CN106443274A - Detection device and method for high-voltage system of electric automobile - Google Patents
Detection device and method for high-voltage system of electric automobile Download PDFInfo
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- CN106443274A CN106443274A CN201610966209.2A CN201610966209A CN106443274A CN 106443274 A CN106443274 A CN 106443274A CN 201610966209 A CN201610966209 A CN 201610966209A CN 106443274 A CN106443274 A CN 106443274A
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title description 17
- 238000004891 communication Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 16
- 230000008030 elimination Effects 0.000 description 13
- 238000003379 elimination reaction Methods 0.000 description 13
- 230000007257 malfunction Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- G01R31/005—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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- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a detection device and a detection method for an electric automobile high-voltage system, relates to the field of electric automobile high-voltage detection, and solves the problem that the existing electric automobile high-voltage system is difficult to detect and troubleshoot. The detection device includes: the high-voltage input end is connected with a high-voltage part body in the electric automobile; the high-voltage output end is connected with a high-voltage integrated unit in the electric automobile; and the detection unit is respectively connected with the high-voltage input end and the high-voltage output end, detects electric signals and communication information on a high-voltage branch consisting of the high-voltage part body and the high-voltage integrated unit, and reports the electric signals and the communication information to external diagnostic equipment. According to the scheme of the invention, under the condition that the high-voltage integrated unit is not disassembled, the data detection and analysis of each high-voltage branch circuit are completed, and the safety and the convenience are improved.
Description
Technical field
The present invention relates to electric automobile high-voltage detection field, particularly to a kind of detection means of electric automobile high-voltage system
And method.
Background technology
Along with integrated development, the integrated level more and more higher of electric automobile high-voltage system.And car load lightweight, system
Detection and the malfunction elimination difficulty of high-pressure system is improve while integrated, miniaturization.The high-voltage safety of electric automobile becomes
One of problem of industry concern the most at present.
Electric automobile each high voltage electric equipment is all connected in parallel to dc bus, and car load high tension loop insulation and low, high pushes back
When short out road, high pressure preliminary filling time-out, preliminary filling unsuccessfully etc. are related to the fault of high tension loop, due to each high-pressure modular highly integrated in
In one housing, just can only can carry out the malfunction elimination of each high-pressure modular, fault after finding internal corresponding module by disassembling housing
Analysis is complicated, and causes the rising of cost of labor after sale.And the safety problem due to high voltage bus, during actual test,
It is directly accessed test equipment and has larger risk, especially in driving process of the test, be unfavorable for experimental safe.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of detection means of electric automobile high-voltage system and method, solves
Existing electric automobile high-voltage system has that detection is difficult with malfunction elimination.
For solving above-mentioned technical problem, embodiments of the invention provide a kind of detection means of electric automobile high-voltage system,
Including：
High voltage input terminal, is connected with the high voltage parts body in electric automobile；
High-voltage output end, is connected with the high pressure integrated unit in electric automobile；
The detector unit being connected with described high voltage input terminal and described high-voltage output end respectively, detects described high voltage parts
Electric signal in body and the high pressure branch road of described high pressure integrated unit composition and the communication information, and report external diagnosis and set
Standby.
Furthermore, it is understood that described detection means also includes：
The control unit being connected with described high voltage input terminal and described high-voltage output end respectively, is set according to described external diagnosis
The control instruction that preparation is sent, control the high pressure branch road that forms with described high pressure integrated unit of described high voltage parts body to connect or
Disconnect.
Furthermore, it is understood that being provided with binding post on described high voltage input terminal and described high-voltage output end.
Furthermore, it is understood that described detection means also includes：
Cell input terminal, is connected with the electrokinetic cell in electric automobile；
Battery output, is connected with described high pressure integrated unit.
Furthermore, it is understood that described detection means also includes：
Housing, described high voltage input terminal and described high-voltage output end are arranged at the both sides of described housing.
Furthermore, it is understood that described high voltage input terminal, described high-voltage output end and described housing are integrated.
Furthermore, it is understood that described housing is adopted and is made from an insulative material, and it is provided with screw socket on described housing.
For solving above-mentioned technical problem, embodiments of the invention also provide a kind of detection side of electric automobile high-voltage system
Method, is applied to the detection means of the as above electric automobile high-voltage system described in any one, and described detection method includes：
The electric signal in high pressure branch road that high voltage parts body in detection electric automobile is formed with high pressure integrated unit
And the communication information；
The electric signal detecting and the communication information are reported external diagnostic equipment.
Furthermore, it is understood that described detection method also includes：
Receive the control instruction that described external diagnostic equipment sends；
According to described control instruction, the high pressure that described high voltage parts body is formed with described high pressure integrated unit is controlled to prop up
Road connection or disconnection.
Furthermore, it is understood that the high pressure that the high voltage parts body in described detection electric automobile is formed with high pressure integrated unit
The step of the electric signal on branch road and the communication information includes：
Detect voltage signal in described high voltage parts body and the high pressure branch road of described high pressure integrated unit composition, electricity
Stream signal and the communication information.
The having the beneficial effect that of the technique scheme of the present invention：
The detection means of the electric automobile high-voltage system of the embodiment of the present invention, by high voltage input terminal and electric automobile
High voltage parts body connects；It is connected with the high pressure integrated unit in electric automobile by high-voltage output end；Do not disassembling high pressure
In the case of integrated unit, can be in external detection high voltage parts body and high pressure integrated unit composition by detector unit
Electric signal in high pressure branch road and the communication information, and report external diagnostic equipment, help analysis to solve appearance in high-pressure system
Problem.This detection means effectively reduce the whole machine of malfunction elimination mesohigh integrated unit after sale disassemble, positioning problems loaded down with trivial details
Step, directly can carry out accident analysis on car load, save time and after cost after sale；And prevent outside high-pressure system
Dew, effectively reduces the security risk in debugging, test and process of the test；And can be when driving to each high voltage parts
Data carries out Real-time Collection it is ensured that data can truly reflect the real time information of each parts；And this detection means volume little, peace
Dress is convenient, suitable electric automobile actual operating condition.This detection means efficiently solves existing electric automobile high-voltage system to be existed
The detection problem difficult with malfunction elimination.
Brief description
Fig. 1 is the structural representation of the detection means of electric automobile high-voltage system of the present invention；
Fig. 2 is the structural representation of electric automobile high-voltage system；
Fig. 3 is the structural representation of the detection means concrete application of electric automobile high-voltage system of the present invention；
Fig. 4 is the flow chart of the detection method of electric automobile high-voltage system of the present invention.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
First embodiment
Shown in reference Fig. 1, the detection means 1 of the electric automobile high-voltage system of the embodiment of the present invention, including：
High voltage input terminal 11, is connected with the high voltage parts body 2 in electric automobile；
High-voltage output end 12, is connected with the high pressure integrated unit 3 in electric automobile；
The detector unit 13 being connected with described high voltage input terminal 11 and described high-voltage output end 12 respectively, detects described high pressure
The electric signal in high pressure branch road and the communication information that parts body 2 is formed with described high pressure integrated unit 3, and report outside
Diagnostic device.
Wherein, electric signal includes voltage signal, current signal etc., the communication information include control information in high pressure branch road,
Transmitting-receiving message information, status information etc..
The detection means 1 of the electric automobile high-voltage system of the embodiment of the present invention, by high voltage input terminal 11 and electric automobile
Interior high voltage parts body 2 connects；It is connected with the high pressure integrated unit 3 in electric automobile by high-voltage output end 12；Not
In the case of disassembling high pressure integrated unit 3, can be in external detection high voltage parts body 2 and high pressure collection by detector unit 13
Become the electric signal in the high pressure branch road of unit 3 composition and the communication information, and report external diagnostic equipment, help analysis to solve high
Produced problem in pressure system.
This detection means effectively reduce the whole machine of malfunction elimination mesohigh integrated unit after sale disassemble, positioning problems loaded down with trivial details
Step, directly can carry out accident analysis on car load, save time and after cost after sale；And prevent outside high-pressure system
Dew, effectively reduces the security risk in debugging, test and process of the test；And can be when driving to each high voltage parts
Data carries out Real-time Collection it is ensured that data can truly reflect the real time information of each parts；And this detection means volume little, peace
Dress is convenient, suitable electric automobile actual operating condition.This detection means efficiently solves existing electric automobile high-voltage system to be existed
The detection problem difficult with malfunction elimination.
Wherein, as shown in Fig. 2 high pressure integrated unit is integrated with electric automobile and vehicle-mounted charger, DC/DC converter, high pressure
Distribution, PTC (Positive Temperature Coefficient, positive temperature coefficient) controller, to fill control unit soon contour
Pressure parts, the PTC heater body of electric automobile, compressor of air conditioner, MCU (Moter Control Unit, electric machine controller)
Typically connected to high pressure integrated unit by high-voltage wiring harness etc. high voltage parts body.Break down inside high pressure integrated unit
After cannot effectively carry out malfunction elimination and analysis from outside.
In the embodiment of the present invention, as shown in figure 3, the detection means 1 of electric automobile high-voltage system passes through high voltage input terminal 11
With high pressure zero such as the PTC heater body of electric automobile, compressor of air conditioner, MCU (Moter Control Unit, electric machine controller)
Hardware body 2 connects, and is connected with high pressure integrated unit 3 by high-voltage output end 12, in the situation not disassembling high pressure integrated unit 3
Under can easily be connected in series in each high pressure branch road, carry out information gathering and malfunction elimination and analysis.
Further, the detection means 1 of the electric automobile high-voltage system of the embodiment of the present invention also includes：
The control unit 14 being connected with described high voltage input terminal 11 and described high-voltage output end 12 respectively, according to described outside
The control instruction that diagnostic device sends, controls the high pressure that described high voltage parts body 2 is formed with described high pressure integrated unit 3 to prop up
Road connection or disconnection.
Now, control unit 14 is responsible for the break-make of each high pressure branch road, is investigating a certain high voltage parts to dc bus
The connection of other all high voltage parts and bus during impact, can be cut off by control unit, realize high voltage parts one by one
Investigation, it is to avoid cross influence.And under specific operation, branch road can be cut off and power, increase by a safeguard protection again.
Optionally, described high voltage input terminal 11 and described high-voltage output end 12 are provided with binding post.
Now, by the Design of Compatibility of binding post and external plug-in, enable detection means and external high pressure zero
The plug-in unit of part body 2 or high pressure integrated unit 3 is attached, installation, convenient disassembly；And mated not by changing binding post
With the plug-in unit of vehicle, all vehicles can be suitable for.
Further, the detection means 1 of the electric automobile high-voltage system of the embodiment of the present invention also includes：
Cell input terminal 15, is connected with the electrokinetic cell in electric automobile；Battery output 16, the integrated list with described high pressure
Unit connects.
Here, cell input terminal 15 and battery output 16 may also set up binding post, carry out compatibility with external plug-in
Design, to mate different automobile types.
Further, the detection means 1 of the electric automobile high-voltage system of the embodiment of the present invention also includes：
Housing, described high voltage input terminal 11 and described high-voltage output end 12 are arranged at the both sides of described housing.
Now, housing achieves the protective effect to test device elements, improves the service life of detection means.
Optionally, described high voltage input terminal 11, described high-voltage output end 12 and described housing are integrated.
Now, integrated design ensure that the steadiness of detection means, further increases the service life of detection means.
Optionally, described housing is adopted and is made from an insulative material, and is provided with screw socket on described housing.
Now, housing adopts insulating materials, it is to avoid high pressure electric leakage, improves the security of use.And by housing
Screw socket detection means can be fixed in cabin, improve the convenience of use.
Wherein, in order to improve safety in utilization further, increase the service life, housing can be made to meet IP67 degree of protection.
The detection means 1 of the electric automobile high-voltage system of the embodiment of the present invention, in the situation not disassembling high pressure integrated unit 3
Under, can be on external detection high voltage parts body 2 with the high pressure branch road of high pressure integrated unit 3 composition by detector unit 13
Electric signal and the communication information, and report external diagnostic equipment, help analysis to solve produced problem in high-pressure system.And it is logical
Cross control unit 14 and control the break-make of each high pressure branch road it is achieved that the investigation one by one of high voltage parts, it is to avoid cross influence.And
It is connected to outside high pressure integrated unit by connector, easy for installation, simple to operate.And by change binding post, can
Join different automobile types plug-in unit, complete the test to different automobile types high-pressure system.
This detection means effectively reduce the whole machine of malfunction elimination mesohigh integrated unit after sale disassemble, positioning problems loaded down with trivial details
Step, directly can carry out accident analysis on car load, save time and after cost after sale；And prevent outside high-pressure system
Dew, effectively reduces the security risk in debugging, test and process of the test；And can be when driving to each high voltage parts
Data carries out Real-time Collection it is ensured that data can truly reflect the real time information of each parts；And this detection means volume little, peace
Dress is convenient, suitable electric automobile actual operating condition；And under specific operation, branch road can be cut off and power, increase by a weight safety
Protection.It is difficult with malfunction elimination that this detection means efficiently solves the problems, such as that existing electric automobile high-voltage system has detection.
Second embodiment
Shown in reference Fig. 4, the detection method of the electric automobile high-voltage system of the embodiment of the present invention, it is applied to as the first enforcement
The detection means of the electric automobile high-voltage system described in example, described detection method includes：
Step 401, in the high pressure branch road that the high voltage parts body in detection electric automobile is formed with high pressure integrated unit
Electric signal and the communication information；
Step 402, the electric signal detecting and the communication information are reported external diagnostic equipment.
Wherein, electric signal includes voltage signal, current signal etc., the communication information include control information in high pressure branch road,
Transmitting-receiving message information, status information etc..
The detection method of the electric automobile high-voltage system of the embodiment of the present invention, in the situation not disassembling high pressure integrated unit
Under, being capable of electric signal in the high pressure branch road that external detection high voltage parts body is formed with high pressure integrated unit and the letter that communicates
Breath, and report external diagnostic equipment, help analysis to solve produced problem in high-pressure system.Effectively reduce fault row after sale
Look into the whole machine of mesohigh integrated unit disassemble, the tedious steps of positioning problems, accident analysis directly can be carried out on car load, save
Time and after cost after sale；And prevent high-pressure system to expose, effectively reduce the peace in debugging, test and process of the test
Full blast danger；And when driving Real-time Collection can be carried out it is ensured that data can truly reflect to each high voltage parts data
The real time information of each parts.Efficiently solve existing electric automobile high-voltage system and there is detection and difficult the asking of malfunction elimination
Topic.
Further, the detection method of the embodiment of the present invention also includes：
Step 403, receives the control instruction that described external diagnostic equipment sends；
Step 404, according to described control instruction, controls described high voltage parts body and described high pressure integrated unit composition
High pressure branch road connection or disconnect.
Now, when investigating the impact to dc bus for a certain high voltage parts, can be cut off by above-mentioned steps 403,404
Other all high voltage parts and the connection of bus, realize the investigation one by one of high voltage parts, it is to avoid cross influence.And specific
Under operating mode, branch road can be cut off and power, increase by a safeguard protection again.
Optionally, the step of above-mentioned steps 401 includes：
Step 4011, detects the electricity in the high pressure branch road that described high voltage parts body is formed with described high pressure integrated unit
Pressure signal, current signal and the communication information.
Now, by gathering the voltage signal in high pressure branch road, current signal and the communication information, each high pressure can be fully understood by
The operation conditions of branch road, provides data for debugging, test and accident analysis and supports.
The detection method of the electric automobile high-voltage system of the embodiment of the present invention, in the situation not disassembling high pressure integrated unit
Under, being capable of electric signal in the high pressure branch road that external detection high voltage parts body is formed with high pressure integrated unit and the letter that communicates
Breath, and report external diagnostic equipment, help analysis to solve produced problem in high-pressure system.Effectively reduce fault row after sale
Look into the whole machine of mesohigh integrated unit disassemble, the tedious steps of positioning problems, accident analysis directly can be carried out on car load, save
Time and after cost after sale；And prevent high-pressure system to expose, effectively reduce the peace in debugging, test and process of the test
Full blast danger；And when driving Real-time Collection can be carried out it is ensured that data can truly reflect to each high voltage parts data
The real time information of each parts.Efficiently solve existing electric automobile high-voltage system and there is detection and difficult the asking of malfunction elimination
Topic.
In various embodiments of the present invention it should be appreciated that the size of the sequence number of above-mentioned each process be not meant to execute suitable
The priority of sequence, the execution sequence of each process should be determined with its function and internal logic, and should not be to the enforcement of the embodiment of the present invention
Process constitutes any restriction.
In the embodiment of the present invention, module can be realized with software, so that by various types of computing devices.Citing comes
Say, the executable code module of a mark can include one or more physics or the logical block of computer instruction, citing
For, it can be built as object, process or function.Even so, the executable code of institute's mark module is without physically
It is located together, but the different instruction being stored in different positions can be included, when being combined together in these command logics
When, its regulation purpose constituting module and realizing this module.
In fact, executable code module can be individual instructions or many bar instructions, and even can be distributed
On multiple different code segments, it is distributed in the middle of distinct program, and cross over multiple memory devices distributions.Similarly, grasp
Make data to be identified in module, and can realize according to any suitable form and be organized in any suitable class
In the data structure of type.Described peration data can be collected as individual data collection, or can be distributed on diverse location
(including in different storage device), and electronic signal can be only used as at least in part be present on system or network.
When module can be realized using software it is contemplated that the level of existing hardware technique is it is possible to implemented in software
Module, in the case of not considering cost, those skilled in the art can build corresponding hardware circuit come to realize correspond to
Function, described hardware circuit include routine ultra-large integrated (VLSI) circuit or gate array and such as logic core
The existing semiconductor of piece, transistor etc or other discrete element.Module can also use programmable hardware device, such as
Field programmable gate array, programmable logic array, programmable logic device etc. are realized.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of detection means of electric automobile high-voltage system is it is characterised in that include：
High voltage input terminal, is connected with the high voltage parts body in electric automobile；
High-voltage output end, is connected with the high pressure integrated unit in electric automobile；
The detector unit being connected with described high voltage input terminal and described high-voltage output end respectively, detects described high voltage parts body
The electric signal in high pressure branch road forming with described high pressure integrated unit and the communication information, and report external diagnostic equipment.
2. detection means according to claim 1 is it is characterised in that described detection means also includes：
The control unit being connected with described high voltage input terminal and described high-voltage output end respectively, is sent out according to described external diagnostic equipment
The control instruction sent, controls described high voltage parts body and the high pressure branch road of described high pressure integrated unit composition to connect on-off
Open.
3. detection means according to claim 1 is it is characterised in that in described high voltage input terminal and described high-voltage output end
It is provided with binding post.
4. detection means according to claim 1 is it is characterised in that described detection means also includes：
Cell input terminal, is connected with the electrokinetic cell in electric automobile；
Battery output, is connected with described high pressure integrated unit.
5. detection means according to claim 1 is it is characterised in that described detection means also includes：
Housing, described high voltage input terminal and described high-voltage output end are arranged at the both sides of described housing.
6. detection means according to claim 5 it is characterised in that described high voltage input terminal, described high-voltage output end with
Described housing is integrated.
7. detection means according to claim 5 is it is characterised in that described housing is adopted and is made from an insulative material and described
Screw socket is provided with housing.
8. a kind of detection method of electric automobile high-voltage system, is applied to the electric automobile as described in any one of claim 1-7
The detection means of high-pressure system is it is characterised in that described detection method includes：
Detect the electric signal in the high pressure branch road that the high voltage parts body in electric automobile is formed with high pressure integrated unit and lead to
Letter information；
The electric signal detecting and the communication information are reported external diagnostic equipment.
9. detection method according to claim 8 is it is characterised in that described detection method also includes：
Receive the control instruction that described external diagnostic equipment sends；
According to described control instruction, described high voltage parts body and the high pressure branch road of described high pressure integrated unit composition is controlled to connect
On-off is opened.
10. detection method according to claim 8 is it is characterised in that high voltage parts in described detection electric automobile
The electric signal in high pressure branch road that body is formed with high pressure integrated unit and the step of the communication information include：
Detect that the voltage signal in the high pressure branch road that described high voltage parts body is formed with described high pressure integrated unit, electric current are believed
Number and the communication information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610966209.2A CN106443274A (en) | 2016-10-31 | 2016-10-31 | Detection device and method for high-voltage system of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610966209.2A CN106443274A (en) | 2016-10-31 | 2016-10-31 | Detection device and method for high-voltage system of electric automobile |
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Family
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| CN201610966209.2A Pending CN106443274A (en) | 2016-10-31 | 2016-10-31 | Detection device and method for high-voltage system of electric automobile |
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| CN112881834A (en) * | 2021-01-18 | 2021-06-01 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Electrical equipment online state detection method and device |
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