JB/T 9865.2-1999 This standard is a revision of ZB J94 011.2-89 "Test Methods for Ignition Coils for Magnetrons". The main changes are as follows: - Added secondary peak voltage inspection; added inspection of primary and secondary winding DC resistance and inductance; added water immersion test; - Cancelled the impact test in the original standard; This standard specifies the test methods for ignition coils for magnetrons. This standard is applicable to magnetron ignition coils for various purposes (except aviation). This standard was first issued in 1989. JB/T 9865.2-1999 Test Methods for Ignition Coils for Magnetrons JB/T9865.2-1999 Standard download decompression password: www.bzxz.net

ICS27.020
Machinery Industry Standard of the People's Republic of China
JB/T9865.1~9865.2-1999
Ignition coil for magneto
Ignitioncoiformangnetocs
1999-08-06 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB/T9865.2—1999
This standard is a revision of Z0J94011289 Ignition coil for magneto. Compared with 2D194011.2-89, the main technical contents of this standard have been changed as follows: Added European level voltage drop inspection:
Added primary and secondary winding DC resistance inspection: Added primary and secondary winding inductance inspection: Added water acid test;
Pega drop test:
- Take the impact test.
Small standard households will replace 2D194011.2-89 from the date of implementation. This standard is proposed and managed by Tianlu Internal Combustion Engine Research Institute. The person in charge of this standard is: Tianlu Internal Combustion Engine Research Institute. The main drafters of this standard are: Wang Dexiu, Tao Junwei, Li Zhian. This standard was first introduced in 1989.
Machinery Industry Standard of the People's Republic of China
Test methods of ignidon coll For magnetoes
Test methods of ignidon coll For magnetoes This standard specifies the test methods of igniton coll For magnetoes. J3/T98652-1909
7.BJ94011.2—89
This standard uses igniter coll For magnetoes for various purposes (except aviation) (hereinafter referred to as igniter coll). 2 Reference standards
The provisions contained in the following standards are constituted as the provisions of this standard through reference in this standard. When this standard is published. The versions shown are effective, and all standards will be revised: all parties using this standard should explore the possibility of using the latest version of the following standards. JH 5140.1—Technical conditions for magneto motors 5.1 Technical conditions for ignition wire for magneto
3 Test environment
The performance test of the ignition wire is carried out under the following environmental conditions: 1) Ambient medium temperature: 18--28:
b) Relative temperature: 45%-75%:
] Semi-average atmospheric pressure: 86-[06kPa
4 Test method
4.1 External inspection
Use the mesh method to check that the external surface of the ignition wire shall comply with the provisions of 3.3 in JB/T9865.1-[999]. 4.2 Check of reverse firing performancewwW.bzxz.Net
The ignition coil and the matching magneto are installed on the test bench, and the high-voltage wire is connected to the three-pin discharger. According to the provisions of 1.4 of JD/T 9865.1--1999, the low continuous firing speed is measured and recorded. The speed is increased to the maximum speed and the continuous firing condition is checked. No misfiring is allowed. 4.3 High-calorie dielectric strength test
The ignition wire is installed on the test bench. According to the requirements of 3.5 of JD/T 9865.1--1999, the high-voltage lead is connected to the one-pin discharger. The discharge frequency is 50H2. There shall be no misfiring, breakdown and surface discharge during the test. 4.4 Medium-voltage test of the actual ignition line
The ignition line diagram and the motor transformer are installed on the test bench. The ignition line network is in an open circuit state. Use a display and a high-voltage probe (high-voltage probe with self-capacitance = 5Ω, input resistance value M) to measure the secondary voltage. The test should be completed within: The value is in accordance with the provisions of JB9B65.1-199943.6.
4.5 DC resistance test of the primary and secondary windings of the ignition line diagram According to the requirements of 1.7 in JB9B65【一1999, measure the resistance of the primary and secondary windings of the ignition line. Approved by the State Machinery Industry Bureau on August 6, 1999, implemented on January 1, 2000. 4.6 Inspection of primary and secondary winding inductance of ignition wire JE/T 9865.2—1999 According to the requirements of JB/T9865.—[9994118, measure the inductance of primary and secondary windings of ignition wire: 4.7 Inspection of resistance group
Use 1000V megohmmeter to check whether the resistance between the outer surface of ignition relay and high load meets the requirements of 3.9 of JB/T9865.1—1999. 4. Inspection of tensile force at high and low lead connections According to the provisions of 3.10 of JB/T9865.11999, apply tensile force on both sides of the high lead connection of ignition relay and keep it for more than min. The lead should not fall off.
4.9 Sweep frequency vibration test
The ignition coil shall be fixed on the vibration test bench in the normal working installation position. Under non-operating conditions, the test shall be carried out in accordance with the provisions of 3.11 of JBT9865.1-1999. After the test, the appearance and secondary peak voltage shall be checked continuously for ignition performance. 4.10 Low power test
The ignition wire is in a non-working state, put into a low humidity box with a temperature setting of (-40±3)°C, and placed for 2h. Then take it out from the low temperature box and repeat the appearance, secondary peak voltage and continuous ignition performance inspection within 2mm. 4.11 Temperature change test
The ignition wire is in a non-working state, put into a low humidity box with a temperature setting of (-40±3)°C, and then move it to a high temperature box with a temperature setting of [±2)°C for 30min. The above process is one cycle, and a total of 5 cycles are performed. After the last cycle, take the product out of the test box and place it at room temperature for more than 21°C, and repeat the appearance, secondary peak voltage and continuous ignition performance inspection. 4.12 Humidity test: When the coil is not in operation, put it in a constant temperature and humidity chamber with the temperature reaching (50+2.)G and the humidity being 90%-95%. Keep the temperature at 1. Take the sample out of the constant temperature and humidity chamber and re-check its appearance, secondary peak current and continuous firing performance within 5 minutes. Before inspection, wipe the surface of the ignition wire diagram to remove water. 4.13 Open circuit test according to the test methods of JB/T5140.1-1999, 4.8. 4.14 Overspeed test according to the provisions of 3.15 of JB/T5140.1-1999. The ignition wire diagram and the matching magneto are installed on the test bench, and the pole pitch is in accordance with the provisions of Table 1 of JB/T5140.1-1999. After continuous operation for 3 minutes at a speed of 1.2 times the maximum speed (1.33 times for a saw), repeat the external and continuous ignition performance inspection.
High temperature test
The ignition coil is placed in a constant temperature box (80=2], and the magneto installed outside the constant temperature box works together. The pin-pole pitch is in accordance with the provisions of Table 1 of FRT9B65.1-1999. After the micromotor is driven to 2 at 80% of the maximum speed, the appearance of the vertical part, the secondary peak tracking plate and the reverse grain ignition performance are checked. 4.16 Water immersion test
According to the provisions of 716 in JR/T985.F-1999, the ignition coil is put into water with a depth of 200mm in the non-working state, kept for 2h, and then taken out of the water, and the appearance and continuous variable performance inspection are repeated. It is allowed to wipe the water on the surface of the ignition coil before inspection. 4.17 Coil wet test
The temperature rise of the ignition coil is in accordance with the test points of 54.11 in 1R/T5140.1-1999. 4.18 Road test
JHT865.2-194
According to the provisions of 2.12 in JB9865.1-1999, the ignition wire is dropped from a height of 1m on the concrete ground, and after one cycle, the external effect and secondary ignition performance inspection are carried out. 4.19 Strengthened durability test
The ignition wire is equipped with a magnetoelectric according to the following provisions:) The three-needle pole pitch is increased by 1mm as specified in Table 1 of JH/T865.1-1999; 6) Ambient temperature (±2);
Speed ​​and running time: run at the highest speed for 120h (the highest speed for vehicles is run for 20h, and the running time is 30WT/min for 120h, which is one cycle. After 5 cycles of test, place it at room temperature for 2h, and then check the appearance and continuous ignition performance.
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