CN106908670A - A kind of Bulk current injection method test device - Google Patents
A kind of Bulk current injection method test device Download PDFInfo
- Publication number
- CN106908670A CN106908670A CN201710022028.9A CN201710022028A CN106908670A CN 106908670 A CN106908670 A CN 106908670A CN 201710022028 A CN201710022028 A CN 201710022028A CN 106908670 A CN106908670 A CN 106908670A
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- China
- Prior art keywords
- test device
- product
- measured
- current injection
- bulk current
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Classifications
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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
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
Abstract
The present invention provides a kind of Bulk current injection method test device, and it is arranged in screened room, and testing stand is provided with screened room；Bulk current injection method test device includes insulation board, injection pincers, two artificial networks, load, product to be measured, RF signal generators and power supplys；Insulation board is arranged on testing stand；Injection pincers are arranged on insulation board；One end of injection pincers is connected with two artificial networks and load respectively and the other end is connected with product to be measured；Injection pincers are also connected with RF signal generators；Two artificial networks are also connected with the positive pole of power supply with negative pole respectively；When needing to test product to be measured to the anti-electromagnetic disturbance ability of 400MHz frequencies above scopes, tested using TWC methods；When needing to test product to be measured to the anti-electromagnetic disturbance ability of 400MHz frequency range below, tested using method of substitution.The Bulk current injection method test device that the present invention is provided enough reduces testing time and energy.
Description
【Technical field】
The present invention relates to emc testing technical field, more particularly to a kind of Bulk current injection method test device.
【Background technology】
Battery management system (Battery Management System, BMS) mainly include main frame, CAN cartridge modules, absolutely
Edge module, security module, GPRS module and balanced acquisition module.Wherein, in main frame and other each modules, power filter portion
Point, the influence of transformer, crystal oscillator, connector, casing internal and external ground to radiation immunity is than larger.
It is existing for Electro Magnetic Compatibility (Electro Magnetic Compatibility, EMC) test method be
Bulk current injection (Bulk Current Injection, BCI) method.Wherein, Bulk current injection method generally includes method of substitution, closed loop
Method, synthesis and TWC methods.The more commonly used is method of substitution and TWC methods.BCI conventional test equipment includes：Signal generator,
Power amplifier, power probe, coupling pincers, coupler, fixture, monitoring pincers, attenuator, artificial mains network and wire harness etc..
However, existing BCI method of testings are only to focus on the test of each modular unit, and on different test ground
Point, can cause indivedual test datas to have than larger obvious difference, together under different test environments and different test conditions
When will also be by repeatedly testing repeatedly, waste testing time and energy further, can't ensure battery management system
EMC tests are passed through.
In consideration of it, real be necessary to provide a kind of new Bulk current injection method test device to overcome drawbacks described above.
【The content of the invention】
It is an object of the invention to provide a kind of Bulk current injection method test device that can reduce testing time and energy.
To achieve these goals, the present invention provides a kind of Bulk current injection method test device, and it is arranged in screened room,
Testing stand is provided with the screened room；The Bulk current injection method test device includes insulation board, injection pincers, two artificial nets
Network, load, product to be measured, RF signal generators and power supply；The insulation board is arranged on the testing stand；The injection pincers
It is arranged on the insulation board；One end of the injection pincers is connected and another with described two artificial networks and the load respectively
One end is connected with the product to be measured；The injection pincers are also connected with the RF signal generators；Described two artificial networks are also
The positive pole with the power supply is connected with negative pole respectively；400MHz frequencies above scopes are resisted when the test product to be measured is needed
During electromagnetic disturbance ability, tested using TWC methods；When needing the test product to be measured to 400MHz frequency range below
During anti-electromagnetic disturbance ability, tested using method of substitution.
The new Bulk current injection method test device that the present invention is provided, by the anti-electromagnetic disturbance energy to the product to be measured
Power is judged, and uses different method of testings according to different frequency ranges, to each module root of battery management system
Tested respectively according to actual conditions, and then caused that the EMC tests of the battery management system can be passed through, so as to reduce
Testing time and energy.
【Brief description of the drawings】
The schematic diagram of the Bulk current injection method test device that Fig. 1 is provided for the present invention.
【Specific embodiment】
In order that the purpose of the present invention, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with accompanying drawing and
Specific embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Fig. 1 is referred to, the schematic diagram of its Bulk current injection method test device 100 provided for the present invention.The high current
Injection method test device 100 is arranged in screened room 200.Further, testing stand 210, institute are provided with the screened room 200
Bulk current injection method test device 100 is stated to be arranged on the testing stand 210.It is appreciated that in other embodiments, it is described
Screened room 200 can also be substituted with darkroom.
The Bulk current injection method test device 100 includes insulation board 10,20, two artificial networks 30 of injection pincers, load
40th, product (DUT) 50, RF signal generators 60 to be measured and power supply 70.Specifically, the insulation board 10 is arranged at the experiment
On platform 210.The injection pincers 20 are arranged on the insulation board 10.One end of the injection pincers 20 is artificial with described two respectively
Network 30 and the load 40 are connected；The other end of the injection pincers 20 is connected with the product to be measured 50；Further, institute
Injection pincers 20 are stated also to be connected with the RF signal generators 60.Described two artificial networks 30 are also respectively with the power supply 70 just
Pole is connected with negative pole.In the present embodiment, the insulation board 10, the injection pincers 20, described two artificial networks 30, described
Load 40 and the product to be measured 50 may be contained within the testing stand 210.
Further, the distance of the product to be measured 50 and the lower edge of the testing stand 210 for 190mm~210mm and with
The distance of the side absorbing material of the upper edge of the screened room 200 is more than 1000mm.
Further, the length of the wire harness of the load 40 is less than 2000mm.In the present embodiment, the load 40
The length of wire harness is 1425mm~1575mm.
Further, the injection pincers 20 and the distance of the product to be measured 50 are 450mm.
Above-mentioned Bulk current injection method test device 100 is following with the testing stand 210 by adjusting the product to be measured 50
The distance on edge, the length of the wire harness of the load 40 and the injection clamp the distance of 20 and the product to be measured 50 so that institute
Stating Bulk current injection method test device 100 can be tested each module of battery management system and without repeatedly testing i.e.
Can ensure that the EMC of the battery management system passes through test.
Further, the testing time of Bulk current injection method be more than 0.5 hour, in the present embodiment, the high current
The testing time of injection method is 1 hour.
When needing the test product to be measured 50 to the anti-electromagnetic disturbance ability of 400MHz frequencies above scopes, particularly
Frequency is up to the scope of more than 1GHz, for example, using the product and part of the signals such as 3G, GSM, UMTS, ISM, is entered using TWC methods
Row test.In the present embodiment, the typical range of application of the TWC methods is：400MHz~3GHz, because TWC is in electric capacity
Characteristic, makes it possess good response in HFS, and TWC injection methods are that simulation higher frequency radio frequency signal is coupled to described treating
Survey on the wire harness of product 50.Further, due to frequency for the wavelength of 3GHz is 10cm, in actual test, the TWC tests
Method is applied to length less than 10cm or the existing product described to be measured 50 for shielding shell completely.
When needing the test product to be measured 50 to the anti-electromagnetic disturbance ability of 400MHz frequency range below, using replacing
Tested for method.
Bulk current injection method test device 100 provided by the present invention, is disturbed by the anti-electromagnetism to the product to be measured 50
The ability of disturbing is judged, and uses different method of testings according to different frequency ranges, to each mould of battery management system
Root tuber is tested respectively according to actual conditions, and then causes that the EMC tests of the battery management system can be passed through, so that
Reduce testing time and energy.
The present invention is not restricted to described in specification and implementation method, therefore for the personnel of familiar field
Additional advantage and modification are easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of god and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (7)
1. a kind of Bulk current injection method test device, it is arranged in screened room, and testing stand is provided with the screened room；It is special
Levy and be：The Bulk current injection method test device include insulation board, injection pincers, two artificial networks, load, product to be measured,
RF signal generators and power supply；The insulation board is arranged on the testing stand；The injection pincers are arranged at the insulation board
On；One end of the injection pincers is connected and the other end and the product to be measured with described two artificial networks and the load respectively
Condition connects；The injection pincers are also connected with the RF signal generators；Described two artificial networks also respectively with the power supply
Positive pole is connected with negative pole；When needing the test product to be measured to the anti-electromagnetic disturbance ability of 400MHz frequencies above scopes,
Tested using TWC methods；When needing anti-electromagnetic disturbance ability of the test product to be measured to 400MHz frequency range below
When, tested using method of substitution.
2. Bulk current injection method test device as claimed in claim 1, it is characterised in that：The applicable frequency model of the TWC methods
It is 400MHz~3GHz to enclose.
3. Bulk current injection method test device as claimed in claim 2, it is characterised in that：During using the TWC method of testings,
The length of the product to be measured is less than 10cm or has the shell for shielding completely.
4. Bulk current injection method test device as claimed in claim 1, it is characterised in that：The product to be measured and the experiment
The distance of platform lower edge is 190mm~210mm and is more than 1000mm with the distance of the side absorbing material of the screened room upper edge.
5. Bulk current injection method test device as claimed in claim 1, it is characterised in that：The length of the wire harness of the load is small
In 2000mm.
6. Bulk current injection method test device as claimed in claim 5, it is characterised in that：The length of the wire harness of the load is
1425mm~1575mm.
7. Bulk current injection method test device as claimed in claim 1, it is characterised in that：The injection pincers and the product to be measured
The distance of product is 450mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022028.9A CN106908670A (en) | 2017-01-12 | 2017-01-12 | A kind of Bulk current injection method test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022028.9A CN106908670A (en) | 2017-01-12 | 2017-01-12 | A kind of Bulk current injection method test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106908670A true CN106908670A (en) | 2017-06-30 |
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ID=59206475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710022028.9A Pending CN106908670A (en) | 2017-01-12 | 2017-01-12 | A kind of Bulk current injection method test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106908670A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576928A (en) * | 2017-08-23 | 2018-01-12 | 上海凌世电磁技术有限公司 | A kind of new Bulk current injection method immunity test system |
| CN111487546A (en) * | 2020-04-23 | 2020-08-04 | 重庆长安汽车股份有限公司 | Electromagnetic interference simulation test system and method |
| CN111766454A (en) * | 2020-07-31 | 2020-10-13 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility testing system of electric automobile battery management system |
| CN112327060A (en) * | 2020-11-03 | 2021-02-05 | 中国人民解放军陆军工程大学 | Double-line double-end heavy current injection equivalent strong field continuous wave radiation effect test and system |
| CN112345836A (en) * | 2020-11-03 | 2021-02-09 | 中国人民解放军陆军工程大学 | Multi-core cable large-current injection equivalent strong field radiation effect test method and system |
| CN113030591A (en) * | 2021-02-24 | 2021-06-25 | 中国人民解放军陆军工程大学 | Non-shielding multi-core cable coupling channel large-current injection equivalent test method |
-
2017
- 2017-01-12 CN CN201710022028.9A patent/CN106908670A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576928A (en) * | 2017-08-23 | 2018-01-12 | 上海凌世电磁技术有限公司 | A kind of new Bulk current injection method immunity test system |
| CN111487546A (en) * | 2020-04-23 | 2020-08-04 | 重庆长安汽车股份有限公司 | Electromagnetic interference simulation test system and method |
| CN111766454A (en) * | 2020-07-31 | 2020-10-13 | 重庆长安新能源汽车科技有限公司 | Electromagnetic compatibility testing system of electric automobile battery management system |
| CN112327060A (en) * | 2020-11-03 | 2021-02-05 | 中国人民解放军陆军工程大学 | Double-line double-end heavy current injection equivalent strong field continuous wave radiation effect test and system |
| CN112345836A (en) * | 2020-11-03 | 2021-02-09 | 中国人民解放军陆军工程大学 | Multi-core cable large-current injection equivalent strong field radiation effect test method and system |
| CN112345836B (en) * | 2020-11-03 | 2022-11-01 | 中国人民解放军陆军工程大学 | Multi-core cable large-current injection equivalent strong field radiation effect test method and system |
| CN113030591A (en) * | 2021-02-24 | 2021-06-25 | 中国人民解放军陆军工程大学 | Non-shielding multi-core cable coupling channel large-current injection equivalent test method |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170630 |
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| WD01 | Invention patent application deemed withdrawn after publication |