Some standard content:
ICS27.020
Machinery Industry Standard of the People's Republic of China
JB/T5140.1-1999
Magnetic Motor
Technical Specifications
Technical specificationsformagnetoes1999-08-06Published
National Machinery Industry Bureau
2000-01-01Implementation
JB/T 5140.11999
This standard is a revision of ZBJ91003-87 "Magnetic Motor Technical Specifications". Compared with ZBJ91003-87, the main technical content of this standard has been changed as follows: - Increase the peak voltage of the capacitor charging coil of the capacitor discharge magnetic motor; - Increase the secondary peak voltage:
- Add the spark energy test;
- Add the temperature change test;
Cancel the impact test.
This standard replaces ZBJ91003-87 from the date of implementation. Appendix A of this standard is the appendix of the standard.
This standard is proposed and managed by Tianjin Internal Combustion Engine Research Institute. The responsible drafting unit of this standard is Tianjin Internal Combustion Engine Research Institute. The main drafters of this standard are Ren Lihuan, Wang Dexiu and Wang Hongling. This standard was first issued in 1987.
1 Scope
Machinery Industry Standards of the People's Republic of China
Technical Specifications
Magneto
Technical specifications for magnetoesJB/T5140.1—1999
Replaces ZBJ91003—87
This standard specifies the technical requirements, inspection methods, inspection rules and markings, packaging, transportation and storage of magneto products. This standard applies to the quality spot check, supervision inspection, new product identification and entrusted inspection of small gasoline engine magnetos for various purposes (except aviation).
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 are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T2828—1987
JB/T6730—1993
3 Definitions
Batch inspection counting sampling procedures and sampling tables (applicable to continuous batch inspection) Magneto ignition system test method
Magneto consists of a stator, a rotor, an igniter (or a breaker) and an ignition coil. Maximum speed: The speed corresponding to the maximum power point of the engine. 4 Technical requirements
4.1 Magneto should comply with the requirements of this standard and be manufactured in accordance with product drawings and technical documents approved by the prescribed procedures. 4.2 Under the following environmental conditions, the magneto can work normally: a) Ambient medium temperature: -40℃~80℃ (95℃ for automobiles, 120℃ for oil), igniter and ignition coil 40℃~80℃ (-20℃~60℃ for integrated circuit igniter) b) Relative humidity: not more than 95%.
4.3 The direction of rotation should be indicated by arrows at appropriate parts of the magneto. 4.4 Appearance and assembly quality of magneto
4.4.1 The outer surface of the magneto is clean, the coating and plating are firm and uniform, and there is no oil stain and reef damage. 4.4.2 All fasteners are not loose, the joints are smooth and firm, the connectors are in good contact, and there is no bore scratching between the rotor and the stator. 4.5 Magneto continuous ignition performance
Magneto shall continuously ignite at the distance between the two main electrodes of the three-pin discharger (hereinafter referred to as the three-pin pole pitch) specified in 7.1.1 of JB/T6730-1993 (hereinafter referred to as the continuous ignition speed range) within the minimum to maximum speed range specified in Table 1 (hereinafter referred to as the continuous ignition speed range). The duration of measuring the minimum and maximum continuous ignition speeds shall not be less than 20s. 4.6 Magneto ignition advance angle shall comply with the provisions of product technical conditions. 4.7 Magneto lighting and battery charging performance shall comply with the provisions of product technical conditions. Approved by the State Bureau of Machinery Industry on August 6, 1999 and implemented on January 1, 2000
Magneto type
Working volume of gasoline engine
Three-pin pole pitch
Continuous ignition speed range
JB/T5140.1-1999
Table! Continuous ignition performance
Flywheel (including inner rotor)
≤800~maximum speed
E500 (electric start ≤400)~maximum speed 400-maximum speed
Battery powered ignition
Note, when non-electric start and electric start coexist, the electric start shall be used for assessment. 4.8
The peak voltage of the capacitor charging coil of the capacitor discharge magneto shall comply with the provisions of Table 2. Table 2 Capacitor charging coil peak voltage
The minimum continuous ignition upper speed limit specified
Within the continuous ignition speed range
Maximum speed
Secondary peak voltage
The secondary peak voltage of the magneto shall comply with the provisions of Table 3. Table 3 Secondary peak voltage
Minimum continuous ignition upper speed limit
Continuous ignition speed range, the speed at the point of maximum secondary peak voltage Maximum speed
Peak voltage
≤400
Peak voltage
Note: For displacement less than 50mL or flywheel diameter less than 85mm, the secondary peak voltage is allowed to be reduced by 15%. The secondary peak voltage of the battery-powered ignition in cold (normal temperature), hot and starting state should be ≥25kV. 4.9.2
4.10 The spark energy provided by the magneto should not be less than 4.5mJ. 4.11 Ignition coil high-voltage insulation dielectric strength single
≤200~ high speed
The ignition coil should be able to withstand a discharge test of 12mm three-pin pole pitch (10mm three-pin pole pitch for gasoline engines with a working volume less than 50mL) for 40s without damage and surface discharge. 4.12 The magneto should be able to withstand the sweep frequency vibration specified in Table 4. 4.13 The ignition coil should be able to withstand the peak voltage of 35kV, and the open circuit test lasts for 1 minute without damage and surface effect electricity. The open circuit test of the magneto with a safe discharge device lasts for 2 minutes without damage and surface discharge. Rated
>60~200
JB/T5140.1-1999
Sweep frequency vibration parameters
Acceleration
Sweep frequency times
Sweep direction
The magneto runs continuously for 3 minutes at 1.2 times the maximum speed (1.33 times for chainsaws) on the three-pin pole pitch specified in Table 1 without damage or misfire.
4.15 The magneto is kept at 80℃ and -40℃ for 1 hour each as one cycle, and a total of 5 cycles of temperature change test without damage. 4.16
The removable parts of the same type of magneto should be interchangeable. Temperature rise of magneto coil
4.17.1 The temperature rise of magneto coil should be specified in the technical documents. 4.17.2 At room temperature, the average temperature of each winding of the magneto is measured by the resistance method, and the temperature rise limit is: a) Ignition coil: 55K:
b) Lighting (or battery charging) line diagram, capacitor charging (or power generation) line diagram should comply with the provisions of Table 5, Table 5
Temperature rise limit of insulation materials of different heat resistance grades K
1 Connection not specified in the product technical documents shall be assessed at 80℃ B
2 Magneto with a continuous working duration of no more than 3min may not be subjected to temperature rise test. F
The spring tension of the breaker shall comply with the provisions of the product technical documents, and the measurement tolerance is ±15%. 4.18
4.19 The durability test time of the magneto bench shall not be less than 1000h. If the enhanced durability test is adopted, the test time is 120h. The durability test of the magneto motor can also be carried out by installing the machine or loading the vehicle. 5 Inspection method
5.1 The accuracy of the test instrument during the inspection shall not be less than Class 1.5. When measuring the electrical parameters of the lighting (battery charging) coil, a true effective value meter can be used, and an average value meter can be used as an equivalent substitute during the factory test. 5.2 The performance test of the magneto motor is carried out under the following environmental conditions: a) Ambient medium temperature: 18-28%℃;
b) Relative humidity: 45%~75%;
c) Average atmospheric pressure: 86~106kPa. 5.3 Factory Test
5.3.1 Appearance and Assembly Quality Inspection
JB/T5140.1-1999
a) Appearance inspection: Use visual inspection to check the outer surface of the magneto, which should comply with the provisions of 4.4.1; b) Assembly quality inspection: Use visual inspection or inspection with a check fixture, which should comply with the provisions of 4.4.2. 5.3.2 Continuous ignition performance inspection
Install the magneto on the test bench, connect the high-voltage lead to the three-pin spark arrester, and press 4.5. Measure the minimum continuous ignition speed, then gradually increase the speed to the maximum speed, check the continuous ignition situation, and do not allow misfire to occur. 5.3.3 Check of ignition advance angle
The ignition advance angle measured on the test bench shall comply with the provisions of 4.6. 5.3.4 Inspection of lighting and battery charging performance The inspection shall be carried out according to the inspection method specified in the technical standard of the product. The lighting load shall use a bulb or a non-inductive equivalent resistor (the calculation method of the equivalent resistor is shown in Appendix A). The charging load may use a non-inductive equivalent resistor. 5.3.5 Ignition coil high-voltage insulation dielectric strength test The ignition coil shall be installed on the test bench. According to the requirements of 4.11, the high-voltage lead shall be connected to the three-pin discharger, and the discharge frequency shall be ≥50Hz. Misfire, breakdown and surface discharge are not allowed during the test. 5.4 Type test
Motor products should be subject to type test in one of the following situations: a) New products are finalized;
b) Products are improved, modified or the process or raw materials are significantly changed; c) Products are transferred to another factory for production or are discontinued for more than one year for re-production; d) Products produced in batches should be inspected regularly, not less than once every two years; e) When the national quality supervision agency puts forward the requirement for type test. 5.4.1 General provisions of type test
Products for type test are randomly selected from products that have passed the factory inspection, and the number of each sampling is four. First, the products are inspected according to the factory inspection items. After passing the inspection, the products are divided into two groups, each with two units, and the following tests are carried out respectively: a) One group of samples is subjected to capacitor charging coil peak voltage test, secondary peak voltage test, spark energy test, sweep frequency vibration test, low temperature test, temperature change test, damp heat test, open circuit test, overspeed test, high temperature test, interchangeability test, line temperature rise test, and circuit breaker spring tension test;
b) The other group of samples is subjected to durability test. 5.4.2 Peak voltage test of capacitor charging coil of capacitor discharge magneto The magneto is installed on the test bench, the high voltage lead is connected to the three-pin discharger, and the three-pin pole pitch is as specified in Table 1. The peak value voltage of the magneto capacitor charging line is measured, which should meet the requirements of Table 2. 5.4.3 Check of secondary peak voltage of magneto
The magneto is installed on the test bench, the ignition coil is in the open circuit state, and the secondary peak voltage is measured with an oscilloscope and a high-voltage probe (the input capacitance of the high-voltage probe is ≤5pF, and the input resistance is ≥100MQ) (the secondary peak voltage within the continuous ignition speed range is measured in the three states specified in Table 6 for battery-powered ignition). The test is completed within 10s, and its value should comply with the provisions of 4.9. 5.4.4 Spark energy test
The magneto is installed on the test bench, the high-voltage lead is equipped with a spark plug cap, and the test is carried out at the highest speed in accordance with the provisions of Chapter 4 of JB/T6730-1993 and the provisions of the test method in 5.1.
Measurement state
Cold state (normal mixing)
Hot state (80±2)℃
At starting
5.4.5 Sweep frequency vibration test
JB/I5140.1-1999
Test voltage when nominal voltage is 6V
Test voltage when nominal voltage is 12V
Fix the magneto on the vibration test bench according to the normal working installation position, and perform the test according to the requirements of 4.12 in the non-working state. After the test, repeat the appearance, assembly quality and continuous ignition performance inspection. 5.4.6 Low temperature test
Put the magneto in a low temperature box starting from room temperature in the non-working state. When the temperature reaches (-40±3)℃, it lasts for 2h, and then it is taken out from the low temperature box immediately, and the appearance and continuous ignition performance inspection are repeated within 2min. 5.4.7 Temperature change test
Put the magneto in a low temperature box at (-40±3)℃ in a non-working state. After 1 hour, move it to a high temperature box at (80±2)℃ [(95±2)℃ for automotive use, (120±2)℃ for working in engine oil] within 30 seconds. Move the igniter and ignition coil to a high temperature box at (80±2)℃ and leave it for 1 hour. The above process is 1 cycle, and a total of 5 cycles are performed. After the last cycle, take the product out of the test box, place it at temperature for more than 2 hours, and repeat the appearance and continuous ignition performance inspection (the appearance changes of the wires and connectors exposed on the engine are not assessed).
5.4.8 Wet heat test
In the non-working state, the magneto is placed in a constant temperature and humidity chamber, the temperature reaches (50±2)℃, the humidity reaches 90%~95%, and the duration is 1 hour. It is taken out of the constant temperature and humidity chamber and the appearance and continuous ignition performance inspection are repeated within 5 minutes. It is allowed to wipe the water dew on the surface of the magneto before inspection. 5.4.9 Open circuit test
Install the ignition coil on a special test bench, apply voltage to the primary of the ignition coil so that its secondary voltage is not less than 35kV, and the duration is 1 minute. The ignition coil should have no breakdown damage and surface discharge phenomenon. 5.4.10 Overspeed test
Install the magneto on the test bench, the three-pin pole pitch is as specified in Table 1, the high-voltage lead is connected to the three-pin discharger, and the magneto is continuously operated at a speed of 1.2 times the maximum speed (1.33 times for chainsaws) for 3 minutes, and the appearance, assembly quality and continuous ignition performance inspection are repeated. 5.4.11 High temperature test
The magneto is installed on the high temperature test bench. The three-pin pole pitch is as specified in Table 1. The magneto is operated at 80% of the maximum speed. When the constant temperature box temperature reaches (80±2)℃ [(95±2)℃ for vehicles, (120±2)℃ for those working in engine oil]: when the constant temperature box temperature where the ignition coil and igniter are located reaches (80±2)℃ [when the igniter of the integrated circuit is at (60±2)℃], it is operated for 1 hour, and the appearance and continuous ignition performance inspection are immediately repeated.
5.4.12 Coil temperature rise test
The magneto is installed on the test bench. The high voltage lead is connected to the three-pin discharger, and the three-pin pole pitch is as specified in Table 1. The lighting (battery charging) coil is connected to the specified load and continuously operated at the maximum speed for 1 hour. The temperature rise of each winding is measured by the resistance method. The measurement is completed within 10 seconds of parking. 5
The temperature rise of the copper wire winding is 4! Calculate JB/T5140.1—1999 according to formula (1): R2 -R (235 + 1)+-12
Where: A copper wire winding temperature rise, K; R, winding resistance before the test, ; R— winding resistance at the end of the test, 2;
— ambient medium temperature before the test, ℃: 5— ambient medium temperature at the end of the test, ℃. 5.4.13 Interchangeability test
Disassemble the two magnetos and interchange their parts. After reassembly, perform a continuous ignition performance check. 5.4.14 Determination of the spring tension of the magneto breaker The spring tension of the breaker is measured with a base weight.
5.4.15 Durability test
5.4.15.1 During the test on the bench, the magneto shall run at 80% of the maximum speed and shall continuously fire at the three-pin pole pitch specified in Table 1 within 1000 hours. After the test, the continuous firing performance check shall be repeated. Adjustment and maintenance of contact magneto is allowed within the durability test time. After the magneto exceeds 250 hours, the circuit breaker and capacitor are allowed to be replaced once. No parts or components of the non-contact magneto are allowed to be replaced within the durability test time. The test is allowed to be interrupted, but the continuous working time each time shall not be less than 4 hours. 5.4.15.2 Strengthened durability test
Install the magneto on the durability test bench, connect the corresponding lighting load (bulb or equivalent non-inductive resistor), (battery powered ignition connected to rated load) according to the following provisions: a) Three-pin pole pitch: according to Table 1, add 1mm; b) Ambient medium temperature: (80±2)℃ [(95±2)℃ for vehicle use, (120±2)℃ for working in engine oil), ignition coil and igniter are placed at room temperature, and the single magneto is at room temperature; c) Test speed and operation time: 120h at the highest speed (20h at the highest speed for vehicle use, 4h at 3000r/min for 1 cycle, 5 cycles in total), after the test, place it at room temperature for more than 2h, and repeat the appearance, assembly quality and continuous ignition performance inspection.
5.4.15.3 Installation or vehicle installation test shall be carried out in accordance with relevant standards or test specifications. 6 Inspection rules
6.1 Products must be accepted by the manufacturer's technical inspection department and must be accompanied by technical documents proving the quality of the products before they can leave the factory. 6.2 When sampling to inspect product quality, follow the normal inspection and one-time sampling plan specified in GB/T2828. 7 Marking, packaging, transportation and storage
7.1 Magneto motors should have a fixed label or printed logo in a conspicuous position, the contents of which are as follows: a) manufacturer and trademark;
b) product model:bZxz.net
c) product number;
d) factory date:
year and month.
JB/T 5140.11999
7.2 The packaging box should be firm and lined with moisture-proof material. The product should not move in the box. 7.3 The outer surface of the packaging box should be marked with:
a) Manufacturer name and address:
b) Product model and name:
c) Factory date:
d) Volume: length × width × height, mm;
e) Gross mass, net mass, kg:
0 Quantity:
g) Shipping address and consignee;
h) "Handle with care", "Moisture-proof".
7.4 The technical documents supplied with the product include: a) Packing list;
b) Product factory certificate;
c) Operation and maintenance instructions.
7.5 During transportation and storage, the product should be waterproof, moisture-proof and film-proof.
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