Some standard content:
Generation number Y61
Reservation number 3788-1999
Light Industry Standard of the People's Republic of China
QB/T 2452--1999
Hot and cold water dispenser
Published on 1999-07-12
Published by the State Bureau of Light Industry
Implemented on 2000-01-01
QB/T2452-0B
This standard is the product standard for closed motor-driven compression refrigeration system, electric heating system and semiconductor water dispenser. The test method is mainly based on GBB059-954 "Household Refrigeration Appliance Refrigeration" and other relevant standards. The limits specified in the technical requirements of this standard are formulated based on the current level of China's hot and cold water dispenser industry. This standard is formulated in consideration of the development trend of hot and cold water dispensers and in combination with our national conditions, so that it is more in line with the needs of the people.
This standard is proposed by the Industry Management Department of the National Light Industry Bureau. This standard is under the jurisdiction of the National Household Appliance Standardization Center. The main units of this standard are:
China Household Goods Research Institute, Deep Sea Water Dispenser Co., Ltd., Shanghai Shangshi Water Dispenser Co., Ltd., Deep Century Drinking Water Technology Co., Ltd., Zhejiang Wenzhou Huawei Electric Co., Ltd., Hangzhou Simaite Electric Co., Ltd., New Registered Di Jixun (Shanghai Qidi Electric Equipment Co., Ltd.), Jinan Xinjiyuan Electronics Co., Ltd.: The main promoters of this standard are:
Yan Junqing, Liu Zhendong, Ying Jinchun, Jiang Dingshan, Cai Zhisong, Qian Duanlin, Zhang Paisong, Jiang Zhen. 1 Scope
Light Industry Standard of the People's Republic of China
Hot and Cold Drinking Water Machines
GB/T2452-99
This standard specifies the definition, product classification, technical requirements and test methods of hot and cold drinking water machines. Inspection rules and marking, packaging, transportation, storage, etc.
This standard is applicable to drinking water machines and semi-conductive drinking water machines that do not use electric plate-driven industrial refrigeration systems and (or) electric heating systems. The water machines are suitable for use in households and similar places. 2 Referenced Standards
The provisions contained in the following standards are incorporated into or become the basis of this standard through reference in this standard. When this standard is published, the versions shown are all valid. New standards have been revised by the relevant departments, and the parties using the standards should explore the feasibility of using the latest version of the following standards.
GB191-90 Packaging and transportation markings
GB119-89 General rules for household electrical appliances packaging
GB2638—B7
Batch inspection and counting oil group procedures and oil sample tableGR2829—R?
GB37853
B4214—84
Periodic inspection and counting sampling procedures and test methods for electrical and acoustic performance of the level meter in the sampling tableDetermination of the average noise level of household electrical appliances
GR4706.1-1998General requirements for safety of household and similar electrical applianceseq1E335-1:1991
GB4706.42-1999
Particular requirements for safety heating and cooling machines for household and similar appliances[eq IBc.335-2-75:3995
GB 4806.1—94
Standard for food grade rubber products
GB5749-85
Sanitary standard for drinking ice
GB/T8059.1—1995Household refrigeration appliances GR 9684-88
Sanitary standard for stainless steel containers
G968
3 SpecificationsbZxz.net
Sanitary standard for polypropylene for food packaging products adopts the following definitions:
3.1 Cold and hot drinking water appliances are appliances used to prepare or provide cold and (or) hot drinking water. 3.2 Cold drinking water appliances are appliances that can cool the drinking water in one or more containers. 3.3 Hot drinking water appliances are appliances that can heat the drinking water in one or more containers. Approved by the State Administration of Industry and Commerce on December 1999, implemented in 2001-01, QB/T 2452-99. 3.4 Refrigeration capacity: Under the specified test conditions, the amount of cold water that reaches the required temperature of the standard in one hour (expressed in L/h), accurate to one decimal place. 3.5 Hot water making capacity: Under the specified test conditions, the amount of hot water that reaches the required temperature of the standard in one hour (expressed in L/h), accurate to one decimal place.
4 Product classification
4.1 Water dispenser type
Function type can be divided into:
a) Hot and cold water dispenser is indicated by the Chinese Pinyin letter (R); b) Cold and hot water dispenser is indicated by the Chinese Pinyin letter (1) Nong: c) Single hot water dispenser is indicated by the Chinese Pinyin letter (R): d) Multi-function combined water dispenser is indicated by words. 4.2 Model naming
Design serial number
L Heating capacity, T/h
Cooling water capacity, L/h
Kinetic type classification code
: 1 Softener production station code
: YLR4 6A
Mai Xiao: Total customized cold water capacity non/h, hot water capacity 6/1, the first improved design of hot and cold water dispenser. 5 Technical requirements
The water dispenser shall be constructed in accordance with the requirements of the relevant standards and GR4706.1 and GR4706.42, and in accordance with the drawings and technical documents that have been filtered through the mixed program.
5.1 Operating environment
The water dispenser should be able to be used under the following environmental conditions. 5.1.1 Ambient temperature
10℃--32℃;
10℃--38℃
5.1.2 Ambient humidity
not more than 90%.
5. F.3 Power supply
Electricity, 187V--212V;
Pre-compression ratio: (50±1) Hz.
5.2 Refrigeration performance
Not applicable to hot water dispensers.
5.2.1 Cold water temperature
QB/T245299
Test according to 62: the net water temperature is not higher than 10℃, the semiconductor cooling water outlet temperature is not higher than 15℃5.2.2 Cooling water capacity
Adjust according to 6.4: the rated outlet water temperature of the cooling element is not less than 10℃. When the semiconductor cooling element is not higher than the rated outlet temperature, the measured cooling capacity is not less than 95% of the rated value. 5.3. Hot water performance
Not applicable to the cold water dispenser.
5.3.1 Hot water outlet temperature
Test according to 6.3. The hot water temperature is not lower than 10℃. 5.3.2 Hot water production capacity
Test according to 6.4. When the rated water outlet temperature of salt water is not less than 90°C, the measured hot water production capacity shall not be less than 95% of the rated value.
5.4 Power consumption
Test according to 6.5. The measured power consumption shall not be greater than 115% of the specified value. 5.5 Structure and material performance and hygienic requirements
5.5.1 Structure and material performance
The cooling and heating pipes and outlet pipes of drinking water pipes shall have sufficient strength. All fasteners on the water dispenser should be firm and durable. In normal use, there should be no looseness, rings, or obvious defects. All materials used in the cabinet must be durable, non-sag, non-smell, non-absorbent, etc. At the same time, they should meet the requirements of relevant health standards. 5.5.2 Water durability The outlet valve of the water dispenser should have good durability. Its hot water outlet and cold water outlet should withstand 20,000 opening and closing tests at normal use temperature. 5.5.3 Health requirements All devices, pipes and water joints of the water dispenser should meet the requirements of relevant national health standards during the production and assembly process. The devices directly in contact with the water dispenser should be cleaned and disinfected. The production environment, operators, and production tools of the water dispenser should meet the requirements of relevant health standards. The water source and outlet water quality of the water dispenser should meet the relevant regulations on drinking water hygiene. 5.5.4.1 Refrigerant leakage
When the refrigeration system is sealed and leak detection is carried out according to 6.6.4.1, the annual refrigerant leakage of any part shall not exceed 0.5g: 5.5.4.2 Water leakage and overflow
When leak detection is carried out according to 6.6.4.2, there shall be no leakage or overflow in the water storage container interface, pipeline and water pipe joints of the water dispenser.
5.5.5 Noise and alarm
5.6.5.1 When the water dispenser is in operation, no obvious noise is generated. According to 6.6.5.1, the noise sound power level of the single-type water dispenser should be less than 45B (A, and the noise sound power level of the type water dispenser should be less than 50d [A]. 5.5.5.2 When the water dispenser is in operation, no obvious vibration is generated. According to 6.6.5.2, the effective vibration speed should not be greater than 0.71mm/s. 5.5. The appearance of the water dispenser should not have obvious defects, and the decorative surface should be smooth and bright. The coating surface should be smooth and bright, and the color should be uniform and consistent. The coating room is firm. The surface of the coating shall be tested according to 6.6.6. There shall be no obvious defects such as flow scars, scratches, drum marks, pits, cellular, moist coating or joint salad. The coating of the chain parts shall be smooth and dense, with uniform color. There shall be no defects such as spots, rust spots, pinholes, bubbles or loose coating.
The surface of the plastic particles shall be flat and smooth, with uniform color. There shall be no defects such as absorption, air bubbles, obvious shrinkage holes and deformation. The nameplate and all signs shall be complete. The nameplate shall meet the requirements of 8.1.1. 5.6 shall be checked for structural design. Requirements
When designing the water dispenser, there should be a water-breaking device. When designing the evaporator, it should be prevented from being damaged during normal use, and the components should be made of corrosion-resistant materials. When designing components that may be replaced, such as switches and float controllers, the safety of operation, replacement and installation under hazard conditions should be considered.
When designing the refrigeration system, the materials should have sufficient strength to not change due to continuous use of refrigerants, oils and other mixtures.
6 Test methods
6.1 General test conditions
8.1.1 Laboratory
The drinking fountain shall be placed in the experimental case for retrograde testing according to the method in 6.1.1.1. The ambient temperature of the experimental air shall be adjustable within the range of 10-38°C. The ambient temperature, ambient humidity and ambient air flow rate in the laboratory shall be represented by the values measured at two points at a distance of 1 meter from the pool and 350 mm from the center of the two side walls of the drinking fountain. If multiple drinking fountains are tested at the same time, the environmental parameters shall be the average value of the values measured at the specified points of each drinking fountain. 1. 1.1 Ambient temperature
10℃-32℃:
During the test, the specified ambient temperature should be maintained within the range of +1K. 6.1.1.2 Ambient humidity
When there is no special regulation on the relative humidity in the laboratory, it should generally be 45%~75%. 6.1.1.3 Ambient air velocity
The air velocity in the test chamber should not be less than 0.25m/s. 6.1.1.4 Drinking water Installation of the machine
Each water dispenser (full of water) is placed on a test platform painted black matte. The platform is open to allow free air circulation. The top of the platform should be 300mm higher than the laboratory floor. The platform extends outward and extends at least 300mm from the two side walls and front of the water dispenser, but the half side of the platform should extend to the vertical plate of the water dispenser. The air around the water dispenser should be limited by a vertical partition painted black matte on the side of the water dispenser. The rear partition is parallel to the back of the water dispenser and is close to the limit on the back of the water dispenser, or according to the requirements of the regulations, it is required to maintain a distance from the water dispenser. The left and right rate plates are parallel to the water tank and 300mm apart. The width of the weak plate is mm, see Figure 3:
Unit:
Figure 3 Schematic diagram
3 The rate sink should be continuous and uninterrupted and fixed on the test surface. The height should be at least 300mm higher than the top of the water dispenser.
The placement of the water dispenser should prevent direct contact with the cold and heat sources in the laboratory. The water dispenser should be separated from other objects in the laboratory to eliminate the influence of the ambient temperature and the objects: 5. 1. 2 Initial water temperature
The initial water temperature of the test water should be 25 knots, and its fluctuation range should be within ±1000K. 6.1.3 Preparation before the test
The drinking machine is tested at rated medium voltage and rated frequency: or within the range of (100±1% of the average value of the rated voltage.
6.1.3.1 Setting of reactor
a) If the thermostat is adjustable, restore the test requirements and adjust it to a position that meets the requirements. b) If the thermostat is not adjustable (the manufacturer has adjusted it, but it is not available for users to adjust), measure the delivery state and conduct the test.) If the manufacturer's manual has provisions, adjust it according to the manual. 6.1.4 Measuring instruments
6.1.4.1 Fall measurement
Temperature measurement should use a thermocouple, or other temperature measuring devices with equal rotation speed, and the accuracy should be ±0.5K during inspection. 6.1.4.2 Condensation measurement instrument
Relative humidity measurement shall adopt instruments for measuring dry-bulb and wet-bulb temperature, and the accuracy shall be above 0.5K during inspection: 5
6.1.4.3 Electrical measuring instruments
OB/T 2452-99
Among electrical instruments, the accuracy of ammeter, voltmeter, dynamometer, etc. shall not be lower than 0.5 level during type inspection, and the accuracy shall not be lower than 1.0 level during factory inspection:
The graduation value of electric energy meter shall be able to read 0.01kW·h, and the accuracy shall not be lower than 1.0 level during zero-type inspection, and the accuracy shall not be lower than 2.5 level during factory inspection:
6.1.4.1 Other measuring instruments
For sound measuring instruments, adopt the type or above grade meter specified in GB3785, and other measuring instruments with appropriate accuracy.
The frequency range of the vibration test instrument is 10Hz~[000Hz]. The relative sensitivity of the relative sensitivity in the frequency filter is based on 80Hz. The relative sensitivity of other frequencies should not exceed -10%~-20%. The sensitivity of the detector is not more than 0.5g per year. The water container should be a glass container with scale. 6.2 Temperature test
10℃~-32℃
10℃-38℃
The water tank filled with water is placed in the laboratory and placed in a non-reversed environment. The test parts are set according to 6. The temperature controller is set according to the factory settings for testing. Open the refrigeration system for 0.5h, and then turn on the refrigeration system for 1.5h. Then, place (250±5)ml of water (1mL of water at first) in a glass container with a micro-T., and measure the flow rate of water in the container. The measured value should meet the requirements of 5.2.1. 6.3 Hot water temperature test
Measure the temperature of the water dispenser at 10℃
The end of the water dispenser is placed in a test air, and the test equipment is placed in a non-electric condition for 2h. The test is carried out according to the provisions of 6.! The thermostat is turned on and the time adjustment is carried out. When the water dispenser is turned on for the first time and the heating system is turned off (the thermostat is turned on), add (250 ± 5) ml of water with a scale and a volume of (20 ± 5) ml (discard the initial 100 mL of water first), and immediately measure the temperature in the container to determine whether it meets the requirements of 5.3.1. 6.4 Test of cooling water capacity and water control capacity
The ambient temperature is 25℃, the ambient temperature is 45%~5%, and the initial water of the machine is 25℃. Fill the water dispenser with water in the experimental space, turn on the cooling and control switches, and then turn on the cooling and control switches. When heating is turned on, immediately use (5W ± 5) non-water-soluble water and record the water temperature at 111cm from the water outlet, which meets the standard requirements. The time and water discharge are not calculated for the second cooling and heating start. From the second cooling and heating start, respectively record the total cooling water discharge and heating water discharge during the operation period, and calculate them into L/h: The results are subject to the requirements of 5.2.2: 5.3.2.
Refrigeration capacity test method of water dispenser in the pilot area: Fill the water tank with ice, place it in the laboratory, turn on the cooling system, and select water after 25 (water temperature reaches 15℃), the time for the water pan is not calculated, the time starts from 2h after the second cooling, and the total drainage of 2 cycles is converted into L/h. Its results meet the requirements of 5.22 and the test method of the heating capacity of the semi-conductor water heater, "5-phase compression structure". The results meet the requirements of 5.3.2. 6.5 Consumption test
The ambient temperature is 25℃, the flame water temperature is 25℃
The test is in accordance with 6.1.
QB/T2452-99
This top The test should be conducted when the refrigeration and cooking performance meet the requirements. The temperature controller position is the same as the above test.
The water dispenser is filled with water and placed in the test chamber. It is placed in a powerless environment for 2 hours. Then the cold and hot switches are turned on. Each dispenser releases 250mL of cold water and 250mL of hot water for 1 hour. Each dispenser releases water 8 times. The power consumption for 24 hours is measured. The test results should meet the requirements of 5.4.
6.6 Structure and material performance test
6.8.1 Material requirements
According to GB4806.1. GB9681, GB5749 and other health standards and regulations for testing the materials in direct contact with drinking water in the water dispenser, and whether they meet the requirements of 5.5.1. 6.6.2 Durability test
The water dispenser is placed at room temperature and is not ventilated. During the test, the water outlet is opened and closed once, (20~25) times/m. The result should meet the requirements of 5.5.2:
6.8.37 Test
After the water dispenser is tested, the water quality requirements should be checked by the statutory food hygiene inspection department according to the relevant provisions of G5749.
6.6.4 Performance test
6.6.4.1 Sealing performance test of refrigeration system
The efficiency of the water dispenser is tested in a positive pressure room, the ambient temperature is 16~-32, and the water dispenser is not powered on. The leak detector is set to an annual leakage of 0.5g, and any part of the refrigeration system is inspected. The results shall meet the requirements of 5.5.4.1. 6.6.4.2 Water leakage test and clear water test
The drinking water tank is equipped with a water tank and placed in the experimental room. It is operated for 2 hours under working conditions. The flow meter and the flow pipe parts are tested to see if they meet the requirements of 5.5.4.2.
The bottom of the water tank is opened and placed in the drinking water tank. Water is filled in and tested to see if there is any overflow. The results shall meet the requirements of 5.5.4.2.
6.6.5 Noise test and vibration test
6.6.6.1 Noise test
In the geometric center of the test site, the water dispenser is filled with water, and the two water dispensers are placed on an elastic foundation (5mm~6mm elastic rubber pad).
The cooling system and the heating system are operated for 10 minutes at the same time and then the test begins. The single heating machine or the single cooling machine should be measured in the working state. The noise test environment is a semi-anechoic room. The test and calculation are carried out according to GB B059.1. The measured noise should meet the requirements of 5.5.5.1. 6.6.5.2 Vibration test
The water dispenser is equipped with a can filled with water and placed stably on a 5mm~-6mm thick elastic rubber pad. The test begins 10 minutes after the cooling system is started.
The moving test is only used to measure the vibration resistance value at the geometric center position of three places before and after the box is put into use. The maximum value of each measuring point is used as the evaluation index.
During the moving test, the vibration head must be firmly attached to the surface of the unit. The vibration resistance meets the requirements of 5.5.5.2.
6.6.6 Appearance requirements
QB/T 245299
The surface coating of the water dispenser is subjected to the wet heat test according to GB4706.1, and the test cycle is 96h. Take any part of the side panel, and the sampling size is 100mm×[000mm. Before the test, the surface of the test group is cleaned and degreased. After the test, check the corrosion condition of the coating surface. The surface of the layer should meet the requirements of 5.5.6.7 Inspection regulations
The water dispenser shall be put into production after the inspection and testing department of the household appliance in accordance with this standard GB4706.1 and GB4706.42 passes the test. Each water dispenser shall be inspected and qualified by the quality inspection and supervision department of the manufacturer and accompanied by a quality inspection certificate, operating instructions, product warranty form, and shipping list before it can be shipped. Inspection is divided into type inspection and type inspection.
.1 Inspection
.1. All water dispensers that are selected for payment shall be inspected and tested before delivery. For the items of factory inspection, the relevant parties are required to submit Table 1 [factory inspection items
description of inspection items
cold water outlet temperature range
hot water source temperature
city cold engraving copper
water leakage and
overflow test
functional blood protection
slip leakage and gravity flow
ground resistance
electrical circuit
material documents
2 accessories
this standard
see Chapter 13
see Chapter 27
see & share
see Chapter 13#
equivalent L6
equivalent efficiency
GB 4706.42
1 See the room
See the 13th year
School of Science and Technology
Small format
.1.2 The sampling items, batches, sampling cases, inspection levels and qualified quality levels of factory inspection can be determined by the quality inspection department of the manufacturer.
7.1.3 The safety inspection items in the factory inspection are fatal defects. As long as there is a common non-standard, the batch of products will be judged to be unqualified.
7.1.4 After the factory inspection, all qualified samples can be delivered to the ordering party as qualified products. 7.2 Type inspection
Water dispensers shall be subject to type inspection in any of the following cases: a) new products to be trial-produced; b) when there are major changes in design, process or materials used; and products in continuous production, at least once a year: 8
d) when in production for more than 10 years.
QE/T2452--99
Type inspection includes the items listed in Table 2 and all inspection items specified in GB4706.1 and GB4706.42. 7.2.1
Samples for type inspection shall be randomly drawn from qualified products in factory inspection. For the sampling plan, see Table 3-7.3.2:
7.2.3 Type inspection items shall be as shown in Table 2. Safety items of type inspection shall be randomly selected. Safety items shall be judged as 100% qualified. If any item is found to be unqualified, the product shall be judged to be unqualified. Samples of type inspection shall not be delivered to the ordering party as qualified products. 7.2.4
Table 2 Type inspection items
Test items
Empty water supply
Water purification capacity
Hot water resistance
Water production capacity
Power consumption
Water resistance durability
Health requirements
Special agent consultation
Water leakage and overflow test chamber
Sound and alarm|| tt||Appearance requirements
Technical requirements
Test methods
Table 3 Type inspection polishing plan
Qualified quality
Class A RQL-30
RQ1-63
Unqualified classification
Class C RQL=L00
7.3 Acceptance
The ordering party has the right to check whether the product quality meets the requirements of this standard. The charging party accepts the factory inspection items on the day of delivery, and the delivery can be accepted according to the requirements of the contract. According to the ordering party's requirements, the supplier shall provide a type inspection report completed within one year. The acceptance index and sampling plan shall be jointly agreed upon by the manufacturer and the ordering party. The sampling plan shall be carried out in accordance with CB2828: If the ordering party has doubts about the product quality, the ordering party and the manufacturer may jointly titrate and add some or all of the inspection items in the type inspection. If there is still a dispute, the statutory department shall make an arbitration. If the product is stored for more than two years before leaving the factory, it must be re-accepted according to the production inspection items. 8 Marking, packaging, transportation, storage
8.1 Marking
8.1,1 Nameplate and circuit diagram
OB/T 2452- 99
Chain water dispensers should have permanent nameplates and circuit diagrams in appropriate places, and the following contents should be clearly marked on the nameplates.
a) Product brand name, model
b) Operating environment, temperature;
c) Rated power W: Heating power, cooling power: d> Rated voltage V;
) Rated frequency Hz:
f) Power consumption, kwh/24h;
E) Refrigeration name and loading capacity:
h) Rated hot water capacity, cooling water capacity, L/h; 1) Anti-electric shock protection type:
) Manufacturing name:
k) Manufacturing date and number.
8.1. 2 Random documents
Each water dispenser should be accompanied by the following documents.
a) Instruction manual, including the date and implementation standard number of 8.5.1, and maintenance items: b) Transfer list (including list of accessories, spare parts, etc.): C) Inspection certificate:
d) Product warranty card
9.1.3 Packaging mark
The packaging box surface shall be made of non-color materials, and the following marks shall be marked: a) Former manufacturer, full name,
b) Production station name, model:
) Brand and trademark:
d) Product:
a) Weight, kg:
X) Packing dimensions, length × width × height: B》 Storage and transportation precautions shall comply with the provisions of GB191. 8.2 Packaging
The packaging of the water dispenser shall be designed and shaped according to the moisture-proof packaging required by B1019, 8.3 Transportation and storage
During transportation and storage, the product should not be subjected to collision, excessive speed, or damage. If it is sold to the international market, the transportation conditions from the place of production to the place of sale shall be in accordance with the national transportation standards or the requirements of the company.
If the product packaging is still stored after being disassembled, it should be repackaged. 10
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