CN114355085A - Real-time monitoring ignition coil comprehensive environment durability test equipment - Google Patents
Real-time monitoring ignition coil comprehensive environment durability test equipment Download PDFInfo
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- CN114355085A CN114355085A CN202111666335.3A CN202111666335A CN114355085A CN 114355085 A CN114355085 A CN 114355085A CN 202111666335 A CN202111666335 A CN 202111666335A CN 114355085 A CN114355085 A CN 114355085A
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- ignition coil
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Testing Of Engines (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A real-time monitoring ignition coil comprehensive environment endurance test device comprises a comprehensive environment endurance test box, an input and output control unit for ignition coil endurance test, a main counter and auxiliary counter and comparator unit, a display unit, a primary coil control monitoring unit and a secondary coil control monitoring unit. The device can meet the requirement on environmental condition change of the comprehensive cyclic durability test of the ignition coil, and can change temperature cyclic parameters, humidity, ignition frequency and secondary load.
Description
Technical Field
The invention relates to a device for testing the durability of an automobile ignition coil in comprehensive environment.
Background
With the global increase of the emission requirements of engines, the environmental endurance test requirements of some international well-known automobile companies on ignition coils are increased, and the new endurance test requirements are closer to the automobile use environment and use conditions. The host manufacturer requires that the ignition coil supplier consider the environmental temperature change, humidity change, working condition change, load change and other factors in the using process of the whole vehicle when verifying the environmental durability of the ignition coil, and requires real-time monitoring and recording of the ignition coil to be measured to judge whether the ignition coil works normally.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to meet the requirement on the change of environmental conditions of the comprehensive cyclic endurance test of the ignition coil.
In order to achieve the aim, the invention provides a device for monitoring the durability of the ignition coil comprehensive environment in real time, which comprises a comprehensive environment durability test box; the input and output control unit of the ignition coil endurance test is connected with the comprehensive environment endurance test box and is used for controlling the input control and monitoring of test signals; the main counter and the auxiliary counter are connected with the input and output control unit of the ignition coil endurance test; the display unit is connected with the input and output control unit of the ignition coil endurance test and is used for monitoring and displaying an endurance test program and test data; the primary coil control monitoring unit comprises an ignition coil driving unit and an ignition coil primary current monitoring unit which are respectively connected with the input and output control unit of the ignition coil endurance test; and the secondary coil control monitoring unit comprises an ignition coil secondary load adjusting unit and an ignition coil secondary current monitoring unit which are respectively connected with the input and output control unit of the ignition coil endurance test.
Preferably, the comprehensive environment endurance test box comprises a temperature change module and a humidity change module.
Preferably, the input and output control unit of the ignition coil endurance test comprises a secondary load regulation monitoring synchronization unit connected with the comprehensive environment endurance test box.
Preferably, the ignition coil driving unit includes a variable power voltage module, a variable magnetizing time module, and a variable ignition frequency module.
Preferably, the ignition coil primary current monitoring unit comprises an ignition coil primary current waveform monitoring module and an ignition coil primary current peak value monitoring module.
Preferably, the ignition coil secondary load adjusting unit comprises a variable secondary load module for simulating the breakdown voltage of a spark plug gap of the engine under different working conditions.
Preferably, the ignition coil secondary current monitoring unit comprises a secondary current waveform monitoring module and a secondary current peak value monitoring module.
Preferably, the main and auxiliary counter and comparator unit includes a main counter for reading the number of primary current waveforms, an auxiliary counter for reading the number of secondary current waveforms, and a comparator for comparing the number of primary current waveforms with the number of secondary current waveforms.
Due to the adoption of the technical scheme, the device can meet the requirement on the change of environmental conditions of the comprehensive cyclic endurance test of the ignition coil, and can change temperature cyclic parameters, humidity, ignition frequency and secondary load.
Drawings
FIG. 1 is a block diagram of a real-time monitoring ignition coil comprehensive environment endurance test apparatus according to the present invention;
FIG. 2 depicts the main control parameters of the integrated environmental endurance test chamber;
FIG. 3 is a temperature and humidity environment box of the durability test equipment for monitoring the ignition coil comprehensive environment in real time according to the invention;
FIG. 4 depicts temperature variations ranging from-40 ℃ to 140 ℃;
FIG. 5 depicts humidity ranges from 80% to 95%;
FIG. 6 is a main control computer and an auxiliary computer of the device for real-time monitoring the durability of the ignition coil comprehensive environment according to the invention;
FIG. 7 depicts an ignition frequency variation period;
FIG. 8 depicts an ignition load variation period;
FIG. 9 is an ignition coil driving unit of the durability testing apparatus for monitoring the comprehensive environment of the ignition coil in real time according to the present invention;
FIG. 10 depicts a magnetizing time frequency signal waveform;
FIG. 11 is a primary current monitoring unit of the real-time monitoring ignition coil integrated environment endurance testing apparatus according to the present invention;
FIG. 12 depicts a primary current waveform;
FIG. 13 is a secondary load cell of a real-time monitoring ignition coil integrated environment endurance testing apparatus according to the present invention;
FIG. 14 is a secondary current monitoring unit of the real-time monitoring ignition coil comprehensive environment endurance test apparatus according to the present invention;
FIG. 15 depicts a secondary current waveform;
FIG. 16 is a schematic diagram of a master and slave counter and comparator unit of a real-time monitoring ignition coil integrated environment endurance test apparatus according to the present invention;
FIG. 17 is a primary and secondary coil monitoring display unit of the real-time monitoring ignition coil comprehensive environment endurance test apparatus according to the present invention;
FIG. 18 depicts the primary screen monitoring endurance test phase and associated parameters.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1 and 2, fig. 1 is a block diagram illustrating a device for real-time monitoring ignition coil comprehensive environment endurance test according to the present invention, and fig. 2 illustrates main control parameters of a comprehensive environment endurance test chamber; the real-time monitoring ignition coil comprehensive environment endurance test equipment needs to have the functions of automatically adjusting test parameters in the endurance test process as follows: the comprehensive environment endurance test equipment comprises the following three parts: the comprehensive environment durability test box, the primary coil control monitoring unit and the secondary coil control monitoring unit are controlled by a main control computer in the primary coil control monitoring unit and keep mutual communication. The device can meet the requirement on environmental condition change of the comprehensive cyclic durability test of the ignition coil, and can change temperature cyclic parameters, humidity, ignition frequency and secondary load.
Fig. 3 is a temperature and humidity environment box for monitoring ignition coil comprehensive environment durability test equipment in real time according to the invention, wherein the comprehensive environment durability test box 1 comprises a temperature change module and a humidity change module, the main environment durability test box adopts programmable temperature of about 600L, fig. 4 depicts the temperature change range of-40 ℃ to 140 ℃, and fig. 5 depicts the humidity change range of 80% to 95%.
The input and output control unit 2 of the ignition coil endurance test is connected with the comprehensive environment endurance test box 1 and is used for controlling the input control and monitoring of test signals, and the input and output control unit 2 of the ignition coil endurance test comprises a secondary load regulation monitoring synchronization unit connected with the comprehensive environment endurance test box 1. Fig. 6 is a main control computer and an auxiliary computer of the device for real-time monitoring the durability of the ignition coil comprehensive environment according to the invention. In order to meet the requirements of complex comprehensive environment endurance test and monitoring, ignition coil control and monitoring, environment endurance box control and monitoring, secondary load regulation and secondary current monitoring must be kept synchronous (realized by a timer of a master computer), so the master computer and a millisecond-level high-frequency master timer 2a, an auxiliary control computer and an auxiliary timer 2b are adopted to control the time of a coil input end and the time of a secondary output end and keep the synchronization. The main control computer is provided with an editable environment endurance test program, the ignition coil environment endurance test program is input, and the control and monitoring environment box secondary load regulation monitoring synchronization unit realizes variable power supply voltage, variable magnetizing time and variable ignition frequency, the ignition frequency variation time period is described in the attached figure 7, and the ignition load variation time period is described in the attached figure 8.
The ignition coil driving unit 3 is connected with the input and output control unit 2 of the ignition coil endurance test, the ignition coil driving unit 3 contains a variable power voltage module, a variable magnetizing time module, a variable ignition frequency module and a waveform generator, the main control parameters of the ignition coil driving unit 3 comprise power voltage, magnetizing time, ignition frequency and ignition signal voltage, the parameters can be set by an environment endurance test program of a main control computer and a millisecond-level high-frequency main timer 2a, the ignition coil driving unit of the ignition coil comprehensive environment endurance test equipment for real-time monitoring according to the invention is shown in the attached figure 9, the waveform of the magnetizing time frequency signal is described in the attached figure 10, the power voltage in the figure: 0-32V; ignition frequency: 0-100 Hz; magnetizing time: 0-10 msec, ignition signal voltage: 3-14V.
The ignition coil primary current monitoring unit 4 is connected with the input and output control unit 2 of the ignition coil endurance test, and the ignition coil primary current monitoring unit 4 comprises an ignition coil primary current waveform monitoring module 41 and an ignition coil primary current peak value monitoring module 42. The working condition monitoring of the primary input end of the ignition coil is realized by a primary current monitoring unit, the variable secondary load simulates the gap breakdown voltage of the engine spark plug under different working conditions, a current transformer or a current caliper is adopted to monitor the primary current waveform and the peak value to judge whether the primary of the ignition coil works normally, the attached figure 11 is the primary current monitoring unit of the test equipment for monitoring the comprehensive environment durability of the ignition coil in real time, and the attached figure 12 describes the primary current waveform.
The ignition coil secondary load adjusting unit 5 is connected with the input and output control unit 2 of the ignition coil endurance test, and fig. 13 is a secondary load adjusting unit of the real-time monitoring ignition coil comprehensive environment endurance test device according to the present invention. The ignition coil secondary load adjusting unit 5 comprises a variable secondary load module for simulating the breakdown voltage of the gap of the engine spark plug under different working conditions, and a three-needle discharge device with servo control is adopted to adjust the space between the three-needle discharge needles to achieve the required load voltage. Three-pin discharge voltage range: 0 kV-30 kV, the three-pin discharge gap can be set through a program of a host computer to realize load adjustment in a specified time period so as to meet the requirement of a client on specific endurance test, and the adjustment range of the three-pin discharge gap is 0-20 mm.
The ignition coil secondary current monitoring unit 6 is connected with the input and output control unit 2 of the ignition coil endurance test, and figure 14 is the secondary current monitoring unit of the real-time monitoring ignition coil comprehensive environment endurance test device according to the invention. The ignition coil secondary current monitoring unit 6 comprises a secondary current waveform monitoring module 61 and a secondary current peak value monitoring module 62, the secondary current waveform is described in the attached figure 15, the secondary current waveform is realized by monitoring the discharge current waveform of the secondary coil, and a sampling resistor and a current transformer are adopted to read the secondary current peak value and the current waveform to judge whether the ignition coil works normally or not.
Fig. 16 is a diagram of the master and slave counters and comparator unit of the real-time monitoring ignition coil comprehensive environment endurance test apparatus according to the present invention. The main counter and the auxiliary counter are connected with the comparator unit 7 and the input and output control unit 2 of the ignition coil endurance test to judge whether the ignition coil has the misfire phenomenon, and the waveform quantity of the input end is compared with the waveform quantity of the output end. Two synchronous counters are employed, a main counter 71 for reading the number of primary current waveforms, an auxiliary counter 72 for reading the number of secondary current waveforms, and a comparator 73 compares the number of primary current waveforms with the number of secondary current waveforms.
Fig. 17 is a primary and secondary coil monitoring display unit of the real-time monitoring ignition coil comprehensive environment endurance test apparatus according to the present invention. The endurance test program and test data monitoring and displaying interface unit is connected with the input and output control unit 2 of the ignition coil endurance test and is used for monitoring and displaying the endurance test program and test data. Monitoring whether the ignition coil is in a normal working condition or not in the comprehensive environment endurance test process can be realized by a main display screen and an auxiliary display screen, wherein the main display screen monitor 8a is used for displaying the primary current waveform in the figure 12 and the main display screen monitor endurance test stage and related parameters in the figure 18, and the auxiliary display screen monitor 8b is used for displaying the secondary current waveform in the figure 15.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a durable test equipment of real time monitoring ignition coil integrated environment which characterized in that: comprises a comprehensive environment endurance test box; the input and output control unit of the ignition coil endurance test is connected with the comprehensive environment endurance test box and is used for controlling the input control and monitoring of test signals;
the main counter and the auxiliary counter are connected with the input and output control unit of the ignition coil endurance test;
the display unit is connected with the input and output control unit of the ignition coil endurance test and is used for monitoring and displaying an endurance test program and test data; the primary coil control monitoring unit comprises an ignition coil driving unit and an ignition coil primary current monitoring unit which are respectively connected with the input and output control unit of the ignition coil endurance test; and the secondary coil control monitoring unit comprises an ignition coil secondary load adjusting unit and an ignition coil secondary current monitoring unit which are respectively connected with the input and output control unit of the ignition coil endurance test.
2. The real-time monitoring ignition coil integrated environment endurance testing apparatus according to claim 1, wherein: the comprehensive environment durability test box comprises a temperature change module and a humidity change module.
3. The real-time monitoring ignition coil integrated environment endurance testing apparatus according to claim 1, wherein: the input and output control unit of the ignition coil endurance test comprises a secondary load regulation monitoring synchronization unit connected with the comprehensive environment endurance test box.
4. The real-time monitoring ignition coil integrated environment endurance testing apparatus according to claim 1, wherein: the ignition coil driving unit comprises a variable power voltage module, a variable magnetizing time module and a variable ignition frequency module.
5. The real-time monitoring ignition coil integrated environment endurance testing apparatus according to claim 1, wherein: the ignition coil primary current monitoring unit comprises an ignition coil primary current waveform monitoring module and an ignition coil primary current peak value monitoring module.
6. The real-time monitoring ignition coil integrated environment endurance testing apparatus according to claim 1, wherein: the ignition coil secondary load adjusting unit comprises a variable secondary load module used for simulating the breakdown voltage of the gap of the engine spark plug under different working conditions.
7. The real-time monitoring ignition coil integrated environment endurance testing apparatus according to claim 1, wherein: the ignition coil secondary current monitoring unit comprises a secondary current waveform monitoring module and a secondary current peak value monitoring module.
8. The real-time monitoring ignition coil integrated environment endurance testing apparatus according to claim 1, wherein: the main and auxiliary counter and comparator unit comprises a main counter for reading the number of primary current waveforms, an auxiliary counter for reading the number of secondary current waveforms and a comparator for comparing the number of primary current waveforms with the number of secondary current waveforms.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111666335.3A CN114355085A (en) | 2021-12-31 | 2021-12-31 | Real-time monitoring ignition coil comprehensive environment durability test equipment |
| PCT/CN2022/071345 WO2023123556A1 (en) | 2021-12-31 | 2022-01-11 | Device for real-time monitoring of ignition coil and comprehensive environment durability testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111666335.3A CN114355085A (en) | 2021-12-31 | 2021-12-31 | Real-time monitoring ignition coil comprehensive environment durability test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114355085A true CN114355085A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111666335.3A Pending CN114355085A (en) | 2021-12-31 | 2021-12-31 | Real-time monitoring ignition coil comprehensive environment durability test equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114355085A (en) |
| WO (1) | WO2023123556A1 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2934639Y (en) * | 2006-07-19 | 2007-08-15 | 天津斯巴克瑞汽车电子有限公司 | Ignition coil integral parameter test platform |
| CN201292907Y (en) * | 2008-10-31 | 2009-08-19 | 比亚迪股份有限公司 | Ignition coil test device |
| CN103939255B (en) * | 2014-04-30 | 2016-02-10 | 中国第一汽车股份有限公司 | Based on the igniting test method under engine operating state |
| US9494125B2 (en) * | 2014-06-13 | 2016-11-15 | Innova Electronics, Inc. | System and method of ignition coil testing |
| CN204827766U (en) * | 2015-07-17 | 2015-12-02 | 上海海洧汽车电子有限公司 | Ignition coil endurance test platform |
| CN106194547B (en) * | 2016-08-24 | 2018-04-10 | 武汉菱电汽车电控***股份有限公司 | Automobile ignition coil device for detecting performance and its method |
| CN106501578A (en) * | 2016-12-15 | 2017-03-15 | 天津斯巴克瑞汽车电子股份有限公司 | A kind of automobile ignition coil primary current supervising device |
| CN107687389A (en) * | 2017-09-12 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | Automobile Ignition Coil Measuring System |
| CN112761845B (en) * | 2021-01-20 | 2022-08-12 | 联合汽车电子有限公司 | Ignition coil output energy assessment method and test system thereof |
-
2021
- 2021-12-31 CN CN202111666335.3A patent/CN114355085A/en active Pending
-
2022
- 2022-01-11 WO PCT/CN2022/071345 patent/WO2023123556A1/en unknown
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| WO2023123556A1 (en) | 2023-07-06 |
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