CN102495243A - Electromagnetic compatibility test load box of automobile body controller - Google Patents
Electromagnetic compatibility test load box of automobile body controller Download PDFInfo
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- CN102495243A CN102495243A CN201110381196XA CN201110381196A CN102495243A CN 102495243 A CN102495243 A CN 102495243A CN 201110381196X A CN201110381196X A CN 201110381196XA CN 201110381196 A CN201110381196 A CN 201110381196A CN 102495243 A CN102495243 A CN 102495243A
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Abstract
The invention discloses an electromagnetic compatibility test load box of an automobile body controller. The electromagnetic compatibility test load box comprises a signal output module, a signal control button group, a load simulation module, a load indicating lamp group, a signal connection wire harness, a load connection wire harness, a wiring port and a data line, wherein a shell is in an aluminum shielding box structure with high electric conductivity; the signal output module and the load simulation module are located in the shell; and the shell signal control button group, the load indicating lamp group and the wiring port are mounted on the shell through a through hole on the shell respectively. In the electromagnetic compatibility test load box, through the control of the signal control button group, the signal output module can provide various input signals required by the normal work of a BCM (body control module), and control on the input signals of the BCM is realized; the load simulation module realizes simulation of the connected electrical appliance load of the body when the BCM works; and the load indicating lamp group realizes visual monitoring on the working state of the BCM.
Description
Technical field
The present invention relates to the electromagnetic compatibility technology field of automobile, be specifically related to a kind of load box that is used for testing automobile car body controller electromagnetic compatibility test.
Background technology
Body of a motor car controller (Body Control Module; BCM) be a kind of intelligentized body electric system administrative unit; Different with directly and simply controlling of combined switch; BCM comprehensively judges various switching signals, bus signals and corresponding ambient condition through microprocessor, realizes the Based Intelligent Control to vehicle mounted electrical apparatus on this basis.Because the application of vehicle mounted electrical apparatus on automobile is increasingly extensive; And the function of each vehicle mounted electrical apparatus is also more and more; These electrical equipment and function corresponding all need be controlled and realize through BCM, make the complicacy of BCM improve, and be also more and more important for the effect of car load comfortableness and security.
At present; For the Electro Magnetic Compatibility that promotes car load with satisfy electromagnetic compatibility (EMC) laws and regulations requirement, vehicle mounted electrical apparatus equipment must be according to corresponding EMC standard before entrucking; Its EMC performance is detected, whether satisfy the requirement of car load factory to assess its EMC performance.
For guaranteeing the accuracy of test, the EMC test event of electric component and method of testing all are to carry out to electric component or the electric system that can work independently.For this reason, if will test the Electro Magnetic Compatibility of BCM, just needing to provide the BCM operate as normal needed various input signals, and can simulate the proving installation of the body electric system load that is connected when BCM works.Simultaneously, whether the electromagnetic interference (EMI) that obtains for distinguishing tests is to be produced by BCM self, and the BCM load box that requires to provide must have less Electromagnetic Launching.
Summary of the invention
The electromagnetic compatibility test load box that the purpose of this invention is to provide a kind of body of a motor car controller; This electromagnetic compatibility test load box can provide the required various input signals of BCM operate as normal and the control of break-make; Monitoring BCM function logic and functional status; To judge its test index, the realization self energyization is tested automatically.
The electromagnetic compatibility test load box of a kind of body of a motor car controller of the present invention; Comprise shell, signal output module, signal controlling button groups, load simulation module, load pilot lamp group, signal connecting line bundle, load rat tail, Wiring port and data line; It is characterized in that: said shell is the aluminium matter shielding case body structure of high conductivity; Signal output module and load simulation module are positioned at the inside of shell, and said shell signal controlling button groups, load pilot lamp group and Wiring port are installed on the shell through the through hole on the shell respectively.
Said signal output module is connected with Wiring port through data line with the signal controlling button groups; This Wiring port is connected with car body controller through the signal connecting line bundle; Under the control of signal controlling button groups, offer the required various input signals of car body control module operate as normal.
Said load simulation module is connected with Wiring port through data line with load pilot lamp group; This Wiring port is connected with car body control module through the load rat tail; The load simulation module receives the signal from car body controller, and shows the working condition of car body controller through load pilot lamp group.
Be provided with high conductivity aluminium matter shielded partitions in the said shell, shell is divided into two independently shielding spaces.Number output is installed in respectively in the different shielding spaces with the load simulation part, reaches the mutual interference mutually that reduces segment signal output and load simulation part.
The present invention compared with prior art has the following advantages:
1, through the control of signal controlling button groups, signal output module can provide the BCM operate as normal needed various input signals, has realized the control to the input signal of BCM; The simulation of the body electric system load that is connected when BCM being worked through the realization of load simulation module; And realized visual control to the BCM duty through load pilot lamp group.
2, adopt high conductivity aluminium matter screening can, effectively avoided extraneous interference, improved the accuracy of test.
3, this load box can reuse, and has improved testing efficiency.
Description of drawings
Fig. 1 is structural representation of the present invention and inner connection layout;
Fig. 2 is a load box segment signal output electrical schematic diagram among Fig. 1;
Fig. 3 is a load box load simulation partial circuit sketch among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
The electromagnetic compatibility test load box of body of a motor car controller as shown in Figure 1; Comprise shell 1, signal output module 2, signal controlling button groups 3, load simulation module 4, load pilot lamp group 5, signal connecting line bundle 6, load rat tail 7 and Wiring port 8; Shell 1 is the aluminium matter shielding case body structure of high conductivity; In be provided with high conductivity aluminium matter shielded partitions 9; Shell 1 is divided into two independently shielding spaces, and signal output module 2 and load simulation module 4 are arranged in two of shell 1 independently shielding spaces, and signal controlling button groups 3, load pilot lamp group 5 and Wiring port 8 are installed on the shell 1 through the through hole on the shell.
Below be further explain:
Housing parts: shell 1 is made up of the aluminium matter shielding case body of high conductivity, and it is enclosed in its shell 1 inside with signal output module 2 and load simulation module 4.Signal controlling button groups 3, load pilot lamp group 5 and Wiring port 8 are installed on the shell 1 through the housing shroud through hole on the shell 1.Be provided with high conductivity aluminium matter shielded partitions 9 in the shell 1, shell 1 is divided into two independently shielding spaces.Shell 1 can dismounting, so that after internal circuit and module break down and damage, keep in repair.Shell is not merely inner circuit and module to be provided fixing and support, also plays a part the electromagnetic interference (EMI) that shielding internal circuit module forms in the course of the work.
Segment signal output: the effect of stimulus part is switching signal and the bus signals that the simulation driver and crew offer BCM, to let BCM be in desired duty in the electromagnetic compatibility test.Implementation is: signal output module 2 is connected with Wiring port 8 through data line with signal controlling button groups 3; This Wiring port 8 is connected with car body controller through signal connecting line bundle 6; Under the control of signal controlling button groups 3, realize the required various input signals and the control of break-make.
Signal output module comprises:
The high effectively input signal of switch locking type, Simulation with I GN_ON shelves and key do not pull out signal etc.;
The switch locking type hangs down effective input signal, simulation dipped headlights and high beam signal etc.;
Switch is from the low effective input signal of homing position type, simulated automotive warning light signal etc.;
The analog input signal of switch, control locking and unlocking signal etc. in the simulated automotive.
The load simulation part: the effect of load simulation part is in the electromagnetic compatibility test to BCM, and whether monitor its function logic and functional status normal, and the examination standard of testing as BCM electromagnetic compatibility Immunity Performance.Implementation is: load simulation module 4 is connected with Wiring port 8 through data line with load pilot lamp group 5; This Wiring port 8 is connected with car body control module through the load rat tail; Load simulation module 4 receives the signal from car body controller, and the working condition through load pilot lamp group 5 demonstration car body controllers.
Load simulation module 4 simulation load are divided into two types:
Power class: by the bigger load of car load power of the built-in relay control of BCM; As: steering indicating light, door-lock motor, electric horn and rain shaving electrical machine etc., to simulate by power resistor, light emitting diode is parallelly connected with power resistor; Output to BCM is simulated, and shows the loaded work piece state.
The relay class: control the load of outside relay coil end by BCM, as: dipped headlights, high beam, front fog lamp and glass-frame riser etc., by light emitting diode the output of BCM is simulated, and show the loaded work piece state.
Claims (2)
1. the electromagnetic compatibility test load box of a body of a motor car controller; Comprise shell (1), signal output module (2), signal controlling button groups (3), load simulation module (4), load pilot lamp group (5), signal connecting line bundle (6), load rat tail (7), Wiring port (8) and data line; It is characterized in that: said shell is an aluminium matter shielding case body structure; Signal output module and load simulation module are positioned at the inside of shell, and said shell signal controlling button groups, load pilot lamp group and Wiring port are installed on the shell through the through hole on the shell respectively;
Said signal output module is connected with Wiring port through data line with the signal controlling button groups; This Wiring port is connected with car body controller through the signal connecting line bundle; Under the control of signal controlling button groups, offer the required various input signals of car body control module operate as normal;
Said load simulation module is connected with Wiring port through data line with load pilot lamp group; This Wiring port is connected with car body control module through the load rat tail; The load simulation module receives the signal from car body controller, and shows the working condition of car body controller through load pilot lamp group.
2. the electromagnetic compatibility test load box of body of a motor car controller according to claim 1; It is characterized in that: be provided with aluminium matter shielded partitions (9) in the said shell (1); Shell is divided into two independently shielding spaces, and signal output module is with in the load simulation module is installed in different shielding spaces respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381196XA CN102495243A (en) | 2011-11-26 | 2011-11-26 | Electromagnetic compatibility test load box of automobile body controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381196XA CN102495243A (en) | 2011-11-26 | 2011-11-26 | Electromagnetic compatibility test load box of automobile body controller |
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| CN102495243A true CN102495243A (en) | 2012-06-13 |
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| CN201110381196XA Pending CN102495243A (en) | 2011-11-26 | 2011-11-26 | Electromagnetic compatibility test load box of automobile body controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592938A (en) * | 2013-11-16 | 2014-02-19 | 埃泰克汽车电子(芜湖)有限公司 | Body controller output circuit production test system and method |
| CN105067908A (en) * | 2015-07-17 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Universal combination instrument electromagnetic compatibility test load device |
| WO2018166118A1 (en) * | 2017-03-16 | 2018-09-20 | 上海蔚来汽车有限公司 | Electromagnetic compatibility testing device and testing system comprising same |
| CN109189040A (en) * | 2018-08-06 | 2019-01-11 | 芜湖莫森泰克汽车科技股份有限公司 | A kind of louver controller testing equipment for EMC test |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498618A (en) * | 2008-02-02 | 2009-08-05 | 联创汽车电子有限公司 | Logic validation system for BCM module |
| CN201532422U (en) * | 2009-05-31 | 2010-07-21 | 吉林大学 | Testing load box of electromagnetic compatibility of complicated vehicle-mounted electric control unit |
| CN202013364U (en) * | 2010-12-17 | 2011-10-19 | 联创汽车电子有限公司 | Load box |
-
2011
- 2011-11-26 CN CN201110381196XA patent/CN102495243A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498618A (en) * | 2008-02-02 | 2009-08-05 | 联创汽车电子有限公司 | Logic validation system for BCM module |
| CN201532422U (en) * | 2009-05-31 | 2010-07-21 | 吉林大学 | Testing load box of electromagnetic compatibility of complicated vehicle-mounted electric control unit |
| CN202013364U (en) * | 2010-12-17 | 2011-10-19 | 联创汽车电子有限公司 | Load box |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592938A (en) * | 2013-11-16 | 2014-02-19 | 埃泰克汽车电子(芜湖)有限公司 | Body controller output circuit production test system and method |
| CN103592938B (en) * | 2013-11-16 | 2017-04-05 | 埃泰克汽车电子(芜湖)有限公司 | Based on car audio controller output circuit production test system and method |
| CN105067908A (en) * | 2015-07-17 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Universal combination instrument electromagnetic compatibility test load device |
| WO2018166118A1 (en) * | 2017-03-16 | 2018-09-20 | 上海蔚来汽车有限公司 | Electromagnetic compatibility testing device and testing system comprising same |
| CN109189040A (en) * | 2018-08-06 | 2019-01-11 | 芜湖莫森泰克汽车科技股份有限公司 | A kind of louver controller testing equipment for EMC test |
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Application publication date: 20120613 |