Some standard content:
ICS23.120
Machinery Industry Standard of the People's Republic of China
JB/T10284-2001
Wattervent-heating for automobile air-conditioning
Wattervent-heating for automobile air-conditioning2001-06-22 Issued
China Machinery Industry Federation
2001-10-01 Implementation
JB/T10284—2001
This standard is formulated for the first timebzxz.net
This standard is proposed and managed by the National Technical Committee for Standardization of Refrigeration Equipment. The responsible drafting unit of this standard: Shanghai Hengan Air Conditioning Equipment Co., Ltd. The main drafters of this standard: Zhang Shengnian, Liu Wanglong, Wang Chen, Fei Xijian, Yang Sanbao, Yang Muwen, Hu Yuliang, Zhang Zhongyu. This standard is interpreted by the National Technical Committee for Standardization of Refrigeration Equipment. 1 Scope
Machinery Industry Standard of the People's Republic of China
Watter vent-heating for automobile air-conditioning
Watter vent-heating for automobile air-conditioning JB/T10284—2001
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of heater vent-heating for automobile air-conditioning (hereinafter referred to as heater vent).
This standard applies to heater vents that use automobile engine cooling circulating water as heat source. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T2423.341986Basic environmental test procedures for electrical and electronic productsTest Z/AD Temperature/humidity combined cycle test methodGB/T28281987
GB/T 14048.1—1993
GB/T144861993
QC/T6251999
3 Definitions
Batch inspectionCount sampling procedures and sampling tables (applicable to continuous batch inspection)General rules for low-voltage switchgear and controlgear
Engineering plasticsMoulding plastic partsDimensional tolerances
Coatings and chemical treatment layers for automobiles
This standard adopts the following definitions.
3.1 Warm air water valvewatarvent-heatingforaitomobileair-conditioningValve that uses the cooling circulating water of the automobile engine to provide a heat source for heating in the car to realize the control of the automobile air conditioning and heating system. According to the operation mode, it can be divided into mechanical type, vacuum type and electromagnetic type. Mechanical type mechanicaltype
Use the rocker to operate the valve core to rotate, so as to control the opening and closing of the warm air water valve and adjust the cooling circulation water flow. Vacuum type vacuumtype
Use the vacuum membrane box to control the opening and closing of the warm air water valve. Electromagnetic type electromagnetictype
Use the electromagnet to control the opening and closing of the warm air water valve. 3.2 Operation torque operationtorque
The torque generated by the mechanical warm air water valve core at the moment of rotation. 3.3 Pressure loss pressureHost
Under the specified inlet pressure, when the warm air water valve is fully opened, the pressure drop before and after the water valve. 3.4 Internal leakage
Under the specified inlet pressure, when the heater valve is completely closed, the leakage at the outlet Approved by China Machinery Industry Federation on June 22, 2001, implemented on October 1, 2001
3.5 Durability
JB/T10284-2001
The minimum number of opening and closing times that the heater valve must meet under the condition of meeting the technical conditions. 4 Technical requirements
General requirements
The heater valve shall comply with the requirements of this standard, and the parts shall be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures
The main parts of the heater valve shall meet the following conditions. 4.2.1 Plastic parts
Valve core: Softening temperature: >150℃;
Brinell hardness: >127Nmm2.
Shell: Melting temperature: ≥255℃;
Brinell hardness: ≥195Nmm;
Impact strength: ≥35kJ/m;
Cold resistance: at -40℃, after 24h, the length change rate is <0.5%, the width change rate is <0.5%; Stability to antifreeze: in 135℃ antifreeze, after 48h, the bending strength change rate is <10%, the Brinell hardness is <80N/mm2, the weight change is <10%. <12%
4.2.2 Rubber parts
Stability to antifreeze: In 135℃ antifreeze, the weight change range after 48h does not exceed -1%~+5%, tensile strength>6Nmm, elongation at break 200%~500%
4.3 Technical requirements for assembly
4.3.1 Plastic parts
Plastic parts have no scratches or burrs on the surface, and the dimensional tolerance is not less than the requirements of GB/T14486. 4.3.2 Anticorrosion
The surface anticorrosion of metal parts shall not be less than the requirements of QC/T625. 4.3.3 Internal leakage
According to the test of 5.1, the leakage shall not exceed 1L/h
4.3.4 Air tightness
According to the test of 5.2, there should be no air leakage from the outer surface of the heater valve. 4.3.5 Pressure loss
Tested in accordance with 5.3, shall not exceed 2×10'Pa. 4.3.6 Flow
Tested in accordance with 5.4, the flow of the warm air water valve shall be greater than 95% of the nominal flow. 4.3.7 Operating torque
For mechanical warm air water valves, tested in accordance with 5.5, the torque shall not exceed 200N·mm. 4.3.8 Service life
After opening and closing for 6000 times each, the warm air water valve shall still meet the requirements of 4.3.3 and 4.3.42
4.3.9 Vacuum membrane box
4.3.9.1 Use environment
Tested in accordance with 5.6.1, shall function.
4.3.9.2 Reaction force
Tested in accordance with 5.6.2, shall not be less than 20N.
4.3.10 Electromagnet
JB/T10284—2001
Tested in accordance with GB/T14048.1, it shall meet the requirements. 4.3.11 High temperature resistance
After testing in accordance with 5.7, the valve body meets the requirements of 43.3, 4.3.4 and 43.7. In addition, the vacuum diaphragm box shall also meet the requirements of 43.9.1 and 4.3.92, and the electromagnet meets the requirements of 4.3.10. Its non-metallic parts have no obvious deformation or damage. 4.3.12 Low temperature resistance
After testing in accordance with 5.8, the valve body meets the requirements of 4.3.3, 4.3.4 and 4.3.7. In addition, the vacuum diaphragm box shall also meet the requirements of 4.3.9.1 and 4.3.9.2, and the electromagnet meets the requirements of 4.3.10. Its non-metallic parts have no obvious deformation or damage. 4.3.13 High and low temperature alternation
After the test in accordance with 5.9, the valve body meets the requirements of 4.3.3, 4.3.4 and 4.3.7. In addition, the diaphragm box shall also meet the requirements of 4.3.9.1 and 4.3.9.2, and the electromagnet meets the requirements of 4.3.10.
There is no obvious deformation or damage to its non-metallic parts. 4.3.14 Vibration resistance
After the test in accordance with 5.10, the valve body meets the requirements of 4.3.3, 4.3.4 and 4.3.7. In addition, the vacuum diaphragm box shall also meet the requirements of 4.3.9.1 and 4.3.9.2, and the electromagnet meets the requirements of 4.3.10. There is no obvious deformation or damage to its non-metallic parts, and the plugs and fasteners shall not be loose. 4.3.15 Moisture and heat resistance
After the test in accordance with 5.11, the surface corrosion area shall not exceed 10% of the area of the anti-corrosion layer. There is no obvious deformation or damage to non-metallic parts. 4.4 Test solution
Use a mixture of water and antifreeze in a volume ratio of 1:1. 5 Test method
5.1 Internal leakage test
Put the heater water valve in a closed state, fill the inlet with a test solution of 0.1MPa±0.0IMPa and a temperature of 85℃±5℃, and measure the leakage at the outlet.
5.2 Air tightness test
Put the heater water valve in an open state, seal the outlet, fill the inlet with 0.4MPa±0.01MPa gas, put the valve body in water, and observe for 3 minutes whether there are bubbles.
5.3 Pressure loss test
Put the heater water valve in a fully open state, and inject 0.1MPa±0.0IMPa, temperature 85℃±5℃ test liquid, measure the pressure difference between the inlet and outlet of the valve.
5.4 Flow test
JB/T10284—2001
5.4.1 For mechanical warm air water valve, fill with test liquid with pressure 0.1MPa±0.01MPa and temperature 85℃±5℃, adjust the valve core opening position of the warm air water valve, measure the flow at the outlet, take the valve closed as the starting state, the flow value as the ordinate, the valve rotation angle as the percentage of the valve fully open angle as the abscissa, and draw the flow-opening curve. 5.4.2 For vacuum type and electromagnetic warm air water valve, close the valve, inject test liquid with pressure 0.1MPa±0.01MPa and temperature 85℃±5℃ at the inlet, and measure the flow when the valve is fully open. 5.5 Operation torque test
For mechanical warm air water valve, close the valve, inject test liquid with a pressure of 0.1MPa±0.01MPa and a temperature of 85℃±5℃ at the inlet, and use a torque wrench to measure the opening operation torque of the valve. 5.6 Vacuum membrane box test
5.6.1 Use environment
a) Place the vacuum membrane box in an environment of -40℃±5℃. When the vacuum degree is 0.3×10Pa, the vacuum valve should work. b) Place the vacuum membrane box in an environment of 80℃±5℃. When the vacuum degree is 0.3×105'Pa, the vacuum valve should work. 5.6.2 Reaction force
When the vacuum degree of the vacuum membrane box is 0.5×10Pa, the reaction force is measured with a tensile gauge. 5.7 High temperature resistance test
Ambient temperature is 135℃±5℃, test liquid temperature is 85℃±5℃, inlet pressure is 0.2MPa±0.01MPa, and the internal leakage, air tightness and appearance are checked every 170h, for a total of nine times. 5.8 Low temperature test
Under the condition of ambient temperature of -40℃±5℃, after 2h, the inlet end is filled with a test liquid with a pressure of 0.2MPa±0.01MPa, and the test liquid temperature is raised to 85℃±5℃ within 4h, and internal leakage and air tightness are checked. 5.9 High and low temperature alternating test
Without filling the test liquid in the heating water valve, raise the temperature to 135C5℃ and keep it for 2h: within 2h, reduce from 135℃ to 40℃, and keep it at -40℃±5℃ for 2h; within 2h, raise from -40℃ to 135℃. The above process is one cycle, and a total of six cycles should be carried out. 5.10 Vibration test
For the same heating water valve, without filling the test liquid, conduct a vibration test according to the requirements of Table 1 and Table 2. Table 1 Fixed frequency vibration test
Vibration frequency
Vibration frequency
55-200
Acceleration
Amplitude or acceleration
50m/s2
Sweep frequency vibration test
5.11 Moisture and heat resistance test
JB/T10284—2001
The electromagnetic heating water valve is subjected to temperature and humidity combined cycle test according to the test method of GB/T2423.34. 5.12 Service life test
The circulating water temperature in the heating water valve is 85℃±5C, the pressure is 0.1MPa±0.01MPa, and the opening and closing cycle is 5s. After 10,000 times each, check for internal leakage and air tightness.
5.13 Accuracy of unmarked instruments
The accuracy of all unmarked instruments shall not be lower than Class 1.5. 6 Inspection rules
6.1 Type inspection
When any of the following situations occurs, type inspection shall be carried out according to all the items specified in Table 3: a) New products are finalized;
b) Product design, process, materials or supporting factories have major changes; c) Product production is stopped for more than half a year and then resumed; d) Normal production output exceeds 100,000 pieces or the time exceeds one year, and type inspection shall be carried out periodically. 6.2 Factory inspection
6.2.1 Products must be inspected and qualified by the quality inspection department and issued with a certificate of conformity before they can be shipped. 6.2.2 Factory inspection items are shown in Table 3.
6.2.3 During factory inspection, the appearance and assembly dimensions, internal leakage and air tightness in Table 3 are all inspected. The inspection frequency of other items shall be random inspection according to GB/T2828.
Test items
Appearance and assembly dimensions
Internal leakage
Air tightness
Pressure loss
Operating torque
Life test
Vacuum membrane box test
Electromagnet test
High temperature resistance test
Low temperature test
High and low temperature alternation test
Vibration resistance
Moisture and heat resistance
Material physical and chemical test
Type inspection
Note: "√" means the item is to be carried out, "\" means the item is not to be carried out Factory inspection
6.3 Acceptance
JB/T10284—2001
The ordering party has the right to sample and inspect the products according to GB/T2828. The sampling plan, inspection level and qualified quality level shall be determined by the supply and demand parties through consultation. The inspection items are the items specified in Table 3 Item.
7 Marking, packaging, transportation and storage
7.1 Marking
Each product should have the following obvious markings:
a) Model and name;
b) Factory name and trademark;
c) Year and month of manufacture.
7.2.1 Products should be packed in dry and strong packaging boxes. Products should be cleaned before packing, and no residual water or debris is allowed. 7.2.2 Products The packaging box should be accompanied by a product certificate. 7.2.3 The packaging box should be marked with:
a) Manufacturer name and trademark;
b) Product model and name;
c) Transport mark:
d) Total mass and quantity;
e) Production date.
7.3 Storage
The product should be stored in a dry and ventilated warehouse. Under normal circumstances, the manufacturer should ensure that the product is kept in a dry and ventilated warehouse. There shall be no rust or aging within one year from the date of factory construction.
Model indication method
JB/T10284—2001
Appendix A
(Suggested appendix)
Model indication method for warm air water valve
Model indication method for warm air water valve is as follows: Q port-0 port
Nominal flow, L/h
Structural form, see Table A1||t t||Operation mode, see Table A1
Heater water valve code for automobile air conditioner
Model description
Operation mode and structure form and code see Table A1. Table Al
Operation mode
Mechanical
Vacuum
Electromagnetic
Structural form
Nominal flow rate is the pressure of the heater water valve at the inlet end 0.1MPa±0.01MPa , the flow rate at the inlet end when the test solution is at a temperature of 85℃±5℃, the unit is Lh. ||tt| ... *
Book size 880×12301/16 Printing sheet 3/4
4 Word count 16.000
First edition September 2001
First printing September 2001
Print run 1-500
Price 1200 yuan
2001-138
Mechanical Industry Standard Service Network: http/wwwJB.ac.cn1083×10Pa, the vacuum valve should work. b) Place the vacuum membrane box in an environment of 80℃±5℃. When the vacuum degree is 0.3×105'Pa, the vacuum valve should work. 5.6.2 Reaction force
When the vacuum degree of the vacuum membrane box is 0.5×10Pa, use a tensile gauge to measure the reaction force. 5.7 High temperature resistance test
Environmental temperature is 135℃±5℃, test liquid temperature is 85℃±5℃, inlet pressure is 0.2MPa±0.01MPa, take out every 170h to check internal leakage, air tightness and appearance, a total of nine inspections. 5.8 Low temperature test
Under the condition of ambient temperature of -40℃±5℃, after 2h, fill the inlet end with a test liquid with a pressure of 0.2MPa±0.01MPa, and the test liquid temperature rises to 85℃±5℃ within 4h, and check internal leakage and air tightness. 5.9 High and low temperature alternating test
Without filling the test liquid in the heating water valve, raise the temperature to 135C5℃ and keep it for 2h: within 2h, reduce from 135℃ to 40℃, and keep it at -40℃±5℃ for 2h; within 2h, raise from -40℃ to 135℃. The above process is one cycle, and a total of six cycles should be carried out. 5.10 Vibration test
For the same heating water valve, without filling the test liquid, conduct a vibration test according to the requirements of Table 1 and Table 2. Table 1 Fixed frequency vibration test
Vibration frequency
Vibration frequency
55-200
Acceleration
Amplitude or acceleration
50m/s2
Sweep frequency vibration test
5.11 Moisture and heat resistance test
JB/T10284—2001
The electromagnetic heating water valve is subjected to temperature and humidity combined cycle test according to the test method of GB/T2423.34. 5.12 Service life test
The circulating water temperature in the heating water valve is 85℃±5C, the pressure is 0.1MPa±0.01MPa, and the opening and closing cycle is 5s. After 10,000 times each, check for internal leakage and air tightness.
5.13 Accuracy of unmarked instruments
The accuracy of all unmarked instruments shall not be lower than Class 1.5. 6 Inspection rules
6.1 Type inspection
When any of the following situations occurs, type inspection shall be carried out according to all the items specified in Table 3: a) New products are finalized;
b) Product design, process, materials or supporting factories have major changes; c) Product production is stopped for more than half a year and then resumed; d) Normal production output exceeds 100,000 pieces or the time exceeds one year, and type inspection shall be carried out periodically. 6.2 Factory inspection
6.2.1 Products must be inspected and qualified by the quality inspection department and issued with a certificate of conformity before they can be shipped. 6.2.2 Factory inspection items are shown in Table 3.
6.2.3 During factory inspection, the appearance and assembly dimensions, internal leakage and air tightness in Table 3 are all inspected. The inspection frequency of other items shall be random inspection according to GB/T2828.
Test items
Appearance and assembly dimensions
Internal leakage
Air tightness
Pressure loss
Operating torque
Life test
Vacuum membrane box test
Electromagnet test
High temperature resistance test
Low temperature test
High and low temperature alternation test
Vibration resistance
Moisture and heat resistance
Material physical and chemical test
Type inspection
Note: "√" means the item is to be carried out, "\" means the item is not to be carried out Factory inspection
6.3 Acceptance
JB/T10284—2001
The ordering party has the right to sample and inspect the products according to GB/T2828. The sampling plan, inspection level and qualified quality level shall be determined by the supply and demand parties through consultation. The inspection items are the items specified in Table 3 Item.
7 Marking, packaging, transportation and storage
7.1 Marking
Each product should have the following obvious markings:
a) Model and name;
b) Factory name and trademark;
c) Year and month of manufacture.
7.2.1 Products should be packed in dry and strong packaging boxes. Products should be cleaned before packing, and no residual water or debris is allowed. 7.2.2 Products The packaging box should be accompanied by a product certificate. 7.2.3 The packaging box should be marked with:
a) Manufacturer name and trademark;
b) Product model and name;
c) Transport mark:
d) Total mass and quantity;
e) Production date.
7.3 Storage
The product should be stored in a dry and ventilated warehouse. Under normal circumstances, the manufacturer should ensure that the product is kept in a dry and ventilated warehouse. There shall be no rust or aging within one year from the date of factory construction.
Model indication method
JB/T10284—2001
Appendix A
(Suggested appendix)
Model indication method for warm air water valve
Model indication method for warm air water valve is as follows: Q port-0 port
Nominal flow, L/h
Structural form, see Table A1||t t||Operation mode, see Table A1
Heater water valve code for automobile air conditioner
Model description
Operation mode and structure form and code see Table A1. Table Al
Operation mode
Mechanical
Vacuum
Electromagnetic
Structural form
Nominal flow rate is the pressure of the heater water valve at the inlet end 0.1MPa±0.01MPa , the flow rate at the inlet end when the test solution is at a temperature of 85℃±5℃, the unit is Lh. ||tt| ... *
Book size 880×12301/16 Printing sheet 3/4
4 Word count 16.000
First edition September 2001
First printing September 2001
Print run 1-500
Price 1200 yuan
2001-138
Mechanical Industry Standard Service Network: http/wwwJB.ac.cn1083×10Pa, the vacuum valve should work. b) Place the vacuum membrane box in an environment of 80℃±5℃. When the vacuum degree is 0.3×105'Pa, the vacuum valve should work. 5.6.2 Reaction force
When the vacuum degree of the vacuum membrane box is 0.5×10Pa, use a tensile gauge to measure the reaction force. 5.7 High temperature resistance test
Environmental temperature is 135℃±5℃, test liquid temperature is 85℃±5℃, inlet pressure is 0.2MPa±0.01MPa, take out every 170h to check internal leakage, air tightness and appearance, a total of nine inspections. 5.8 Low temperature test
Under the condition of ambient temperature of -40℃±5℃, after 2h, fill the inlet end with a test liquid with a pressure of 0.2MPa±0.01MPa, and the test liquid temperature rises to 85℃±5℃ within 4h, and check internal leakage and air tightness. 5.9 High and low temperature alternating test
Without filling the test liquid in the heating water valve, raise the temperature to 135C5℃ and keep it for 2h: within 2h, reduce from 135℃ to 40℃, and keep it at -40℃±5℃ for 2h; within 2h, raise from -40℃ to 135℃. The above process is one cycle, and a total of six cycles should be carried out. 5.10 Vibration test
For the same heating water valve, without filling the test liquid, conduct a vibration test according to the requirements of Table 1 and Table 2. Table 1 Fixed frequency vibration test
Vibration frequency
Vibration frequency
55-200
Acceleration
Amplitude or acceleration
50m/s2
Sweep frequency vibration test
5.11 Moisture and heat resistance test
JB/T10284—2001
The electromagnetic heating water valve is subjected to temperature and humidity combined cycle test according to the test method of GB/T2423.34. 5.12 Service life test
The circulating water temperature in the heating water valve is 85℃±5C, the pressure is 0.1MPa±0.01MPa, and the opening and closing cycle is 5s. After 10,000 times each, check for internal leakage and air tightness.
5.13 Accuracy of unmarked instruments
The accuracy of all unmarked instruments shall not be lower than Class 1.5. 6 Inspection rules
6.1 Type inspection
When any of the following situations occurs, type inspection shall be carried out according to all the items specified in Table 3: a) New products are finalized;
b) Product design, process, materials or supporting factories have major changes; c) Product production is stopped for more than half a year and then resumed; d) Normal production output exceeds 100,000 pieces or the time exceeds one year, and type inspection shall be carried out periodically. 6.2 Factory inspection
6.2.1 Products must be inspected and qualified by the quality inspection department and issued with a certificate of conformity before they can be shipped. 6.2.2 Factory inspection items are shown in Table 3.
6.2.3 During factory inspection, the appearance and assembly dimensions, internal leakage and air tightness in Table 3 are all inspected. The inspection frequency of other items shall be random inspection according to GB/T2828.
Test items
Appearance and assembly dimensions
Internal leakage
Air tightness
Pressure loss
Operating torque
Life test
Vacuum membrane box test
Electromagnet test
High temperature resistance test
Low temperature test
High and low temperature alternation test
Vibration resistance
Moisture and heat resistance
Material physical and chemical test
Type inspection
Note: "√" means the item is to be carried out, "\" means the item is not to be carried out Factory inspection
6.3 Acceptance
JB/T10284—2001
The ordering party has the right to sample and inspect the products according to GB/T2828. The sampling plan, inspection level and qualified quality level shall be determined by the supply and demand parties through consultation. The inspection items are the items specified in Table 3 Item.
7 Marking, packaging, transportation and storage
7.1 Marking
Each product should have the following obvious markings:
a) Model and name;
b) Factory name and trademark;
c) Year and month of manufacture.
7.2.1 Products should be packed in dry and strong packaging boxes. Products should be cleaned before packing, and no residual water or debris is allowed. 7.2.2 Products The packaging box should be accompanied by a product certificate. 7.2.3 The packaging box should be marked with:
a) Manufacturer name and trademark;
b) Product model and name;
c) Transport mark:
d) Total mass and quantity;
e) Production date.
7.3 Storage
The product should be stored in a dry and ventilated warehouse. Under normal circumstances, the manufacturer should ensure that the product is kept in a dry and ventilated warehouse. There shall be no rust or aging within one year from the date of factory construction.
Model indication method
JB/T10284—2001
Appendix A
(Suggested appendix)
Model indication method for warm air water valve
Model indication method for warm air water valve is as follows: Q port-0 port
Nominal flow, L/h
Structural form, see Table A1||t t||Operation mode, see Table A1
Heater water valve code for automobile air conditioner
Model description
Operation mode and structure form and code see Table A1. Table Al
Operation mode
Mechanical
Vacuum
Electromagnetic
Structural form
Nominal flow rate is the pressure of the heater water valve at the inlet end 0.1MPa±0.01MPa , the flow rate at the inlet end when the test solution is at a temperature of 85℃±5℃, the unit is Lh. ||tt| ... *
Book size 880×12301/16 Printing sheet 3/4
4 Word count 16.000
First edition September 2001
First printing September 2001
Print run 1-500
Price 1200 yuan
2001-138
Mechanical Industry Standard Service Network: http/wwwJB.ac.cn1081 Type inspection
When any of the following situations occurs, type inspection shall be carried out according to all the items specified in Table 3: a) New products are finalized;
b) There are major changes in product design, process, materials or supporting factories; c) The product is discontinued for more than half a year and then resumed; d) When the output exceeds 100,000 pieces or the time exceeds one year during normal production, a type inspection shall be carried out periodically. 6.2 Factory inspection
6.2.1 Products must be inspected and qualified by the quality inspection department and a certificate of conformity is issued before they can be shipped. 6.2.2 See Table 3 for factory inspection items.
6.2.3 During factory inspection, the appearance and assembly dimensions, internal leakage and air tightness in Table 3 are all inspected. The inspection frequency of other items shall be random inspection according to GB/T2828.
Test items
Appearance and assembly dimensions
Internal leakage
Air tightness
Pressure loss
Operating torque
Life test
Vacuum membrane box test
Electromagnet test
High temperature resistance test
Low temperature test
High and low temperature alternation test
Vibration resistance
Moisture and heat resistance
Material physical and chemical test
Type inspection
Note: "√" means the item is to be carried out, "\" means the item is not to be carried out Factory inspection
6.3 Acceptance
JB/T10284—2001
The ordering party has the right to sample and inspect the products according to GB/T2828. The sampling plan, inspection level and qualified quality level shall be determined by the supply and demand parties through consultation. The inspection items are the items specified in Table 3 Item.
7 Marking, packaging, transportation and storage
7.1 Marking
Each product should have the following obvious markings:
a) Model and name;
b) Factory name and trademark;
c) Year and month of manufacture.
7.2.1 Products should be packed in dry and strong packaging boxes. Products should be cleaned before packing, and no residual water or debris is allowed. 7.2.2 Products The packaging box should be accompanied by a product certificate. 7.2.3 The packaging box should be marked with:
a) Manufacturer name and trademark;
b) Product model and name;
c) Transport mark:
d) Total mass and quantity;
e) Production date.
7.3 Storage
The product should be stored in a dry and ventilated warehouse. Under normal circumstances, the manufacturer should ensure that the product is kept in a dry and ventilated warehouse. There shall be no rust or aging within one year from the date of factory construction.
Model indication method
JB/T10284—2001
Appendix A
(Suggested appendix)
Model indication method for warm air water valve
Model indication method for warm air water valve is as follows: Q port-0 port
Nominal flow, L/h
Structural form, see Table A1||t t||Operation mode, see Table A1
Heater water valve code for automobile air conditioner
Model description
Operation mode and structure form and code see Table A1. Table Al
Operation mode
Mechanical
Vacuum
Electromagnetic
Structural form
Nominal flow rate is the pressure of the heater water valve at the inlet end 0.1MPa±0.01MPa , the flow rate at the inlet end when the test solution is at a temperature of 85℃±5℃, the unit is Lh. ||tt| ... *
Book size 880×12301/16 Printing sheet 3/4
4 Word count 16.000
First edition September 2001
First printing September 2001
Print run 1-500
Price 1200 yuan
2001-138
Mechanical Industry Standard Service Network: http/wwwJB.ac.cn1081 Type inspection
When any of the following situations occurs, type inspection shall be carried out according to all the items specified in Table 3: a) New products are finalized;
b) There are major changes in product design, process, materials or supporting factories; c) The product is discontinued for more than half a year and then resumed; d) When the output exceeds 100,000 pieces or the time exceeds one year during normal production, a type inspection shall be carried out periodically. 6.2 Factory inspection
6.2.1 Products must be inspected and qualified by the quality inspection department and a certificate of conformity is issued before they can be shipped. 6.2.2 See Table 3 for factory inspection items.
6.2.3 During factory inspection, the appearance and assembly dimensions, internal leakage and air tightness in Table 3 are all inspected. The inspection frequency of other items shall be random inspection according to GB/T2828.
Test items
Appearance and assembly dimensions
Internal leakage
Air tightness
Pressure loss
Operating torque
Life test
Vacuum membrane box test
Electromagnet test
High temperature resistance test
Low temperature test
High and low temperature alternation test
Vibration resistance
Moisture and heat resistance
Material physical and chemical test
Type inspection
Note: "√" means the item is to be carried out, "\" means the item is not to be carried out Factory inspection
6.3 Acceptance
JB/T10284—2001
The ordering party has the right to sample and inspect the products according to GB/T2828. The sampling plan, inspection level and qualified quality level shall be determined by the supply and demand parties through consultation. The inspection items are the items specified in Table 3 Item.
7 Marking, packaging, transportation and storage
7.1 Marking
Each product should have the following obvious markings:
a) Model and name;
b) Factory name and trademark;
c) Year and month of manufacture.
7.2.1 Products should be packed in dry and strong packaging boxes. Products should be cleaned before packing, and no residual water or debris is allowed. 7.2.2 Products The packaging box should be accompanied by a product certificate. 7.2.3 The packaging box should be marked with:
a) Manufacturer name and trademark;
b) Product model and name;
c) Transport mark:
d) Total mass and quantity;
e) Production date.
7.3 Storage
The product should be stored in a dry and ventilated warehouse. Under normal circumstances, the manufacturer should ensure that the product is kept in a dry and ventilated warehouse. There shall be no rust or aging within one year from the date of factory construction.
Model indication method
JB/T10284—2001
Appendix A
(Suggested appendix)
Model indication method for warm air water valve
Model indication method for warm air water valve is as follows: Q port-0 port
Nominal flow, L/h
Structural form, see Table A1||t t||Operation mode, see Table A1
Heater water valve code for automobile air conditioner
Model description
Operation mode and structure form and code see Table A1. Table Al
Operation mode
Mechanical
Vacuum
Electromagnetic
Structural form
Nominal flow rate is the pressure of the heater water valve at the inlet end 0.1MPa±0.01MPa , the flow rate at the inlet end when the test solution is at a temperature of 85℃±5℃, the unit is Lh. ||tt| ... *
Book size 880×12301/16 Printing sheet 3/4
4 Word count 16.000
First edition September 2001
First printing September 2001
Print run 1-500
Price 1200 yuan
2001-138
Mechanical Industry Standard Service Network: http/wwwJB.ac.cn108
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.