CN207249043U - The quick Check System of electric motor coach insulation fault - Google Patents
The quick Check System of electric motor coach insulation fault Download PDFInfo
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- CN207249043U CN207249043U CN201721106704.2U CN201721106704U CN207249043U CN 207249043 U CN207249043 U CN 207249043U CN 201721106704 U CN201721106704 U CN 201721106704U CN 207249043 U CN207249043 U CN 207249043U
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- high tension
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- tension loop
- insulation fault
- electric motor
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Abstract
The utility model provides a kind of quick Check System of electric motor coach insulation fault, including power battery, insulated monitoring module, high voltage power distribution module, entire car controller, and relay is respectively equipped with the positive and negative anodes input line of high voltage power distribution module；If separating high tension loop cathode in main line in the cathode input line of the high voltage power distribution module, if separating high tension loop anode in main line in the anode input line of the high voltage power distribution module, high tension loop cathode corresponds the high tension loop anode described in per road；Relay is respectively equipped with described in per road on high tension loop cathode, and relay is respectively equipped with high tension loop anode described in per road.The entire car controller whether there is insulation fault by controlling the break-make of each road relay to detect power battery positive and negative anodes, high voltage power distribution module positive and negative anodes, each road high tension loop positive and negative anodes respectively in sequence, can accurately investigate be any bar high tension loop cathode or anode there are insulation fault, greatly reduce the workload manually investigated.
Description
Technical field
Electronic information technical field is the utility model is related to, it is quick in particular to a kind of electric motor coach insulation fault
Check System.
Background technology
At present, electric motor coach needs to meet corresponding security performance requirement, and all electric motor coaches all need possess real-time insulation
Detection function prevents passengers inside the car, it is necessary to install the insulation resistance that insulation detection device detects vehicle high tension loop in real time
High pressure electric shock accidents, it is ensured that personnel and vehicle safety.
Common detection is, when detecting that (insulation fault of highest level, is insulation resistance by national standard to insulation fault
Less than or equal to 100 ohm/volt) when, insulation monitor can report the insulation fault to pass through to entire car controller, entire car controller
Control disconnects the positive and negative anodes high-voltage relay of high tension loop, while can show insulation fault in instrument.But this detection method
When in face of insulation fault, because not knowing which high voltage component or circuit insulation fault, vehicle service technicians are needed to whole
All components of car high tension loop are investigated one by one, each high pressure electrical components are pulled out respectively by power-off, by the insulation of specialty
Detecting instrument measures insulation resistance value.Because the high voltage component of electric motor coach is various and the plug of high-voltage electrical apparatus connector is difficult, adopt
With this method very complicated manually investigated, inefficiency, and high-voltage connector and Manual maintenance switch are typically all to have
Number requirement is plugged, so dismounting also reduces the reliability of its connection and work.
Utility model content
The utility model provides a kind of quick Check System of electric motor coach insulation fault, it is intended to improves existing insulation event
Barrier investigation method can not detect specifically which bar high tension loop failure, cause manually further to investigate cumbersome and investigation efficiency
Low, the problem of reliability is low.
The utility model is realized in this way：
The quick Check System of electric motor coach insulation fault, it is characterised in that the Check System includes：
Power battery, electric motor coach have some high tension loops, and it is some high tension loops that the power battery, which is used for,
High-voltage electricity is provided；
Insulated monitoring module, for detecting insulation fault information, breath of concurrently delivering letters；
High voltage power distribution module, the connection corresponding with the positive and negative anodes of the power battery, and positive and negative respectively of its positive and negative anodes input line
Relay is respectively equipped with the input line of pole；If separating main line high tension loop just in the cathode input line of the high voltage power distribution module
Pole, if separating high tension loop anode in main line in the anode input line of the high voltage power distribution module, high tension loop cathode described in per road
Correspond the high tension loop anode；Relay, and high pressure described in per road are respectively equipped with described in per road on high tension loop cathode
Relay is respectively equipped with the anode of circuit；
Wherein, the high tension loop includes driving electric motor loop, and the driving electric motor loop further includes preliminary filling resistance and pre-
Relay is filled, the preliminary filling resistance and preliminary filling relay are connected, and with driving the relay on electric motor loop cathode after the two series connection
Device is in parallel；
Entire car controller, communicates to connect, the entire car controller is received with insulated monitoring module, high voltage power distribution module respectively
The information that insulated monitoring module is sent；The disconnection of each relay of vehicle control unit controls or closure.
Further, in the utility model preferred embodiment, the Check System further includes CAN bus, described exhausted
Edge monitoring module, the entire car controller, be connected with the CAN bus respectively.
Further, in the utility model preferred embodiment, the insulation being connected with the entire car controller is further included
Malfunction elimination button, for starting the command signal of investigation to entire car controller input.
Further, in the utility model preferred embodiment, the display instrument being connected with the CAN bus is further included
Table, the display instrument receive and show the insulated monitoring module and the testing result of entire car controller output.
The beneficial effects of the utility model are：The Check System that the utility model is obtained by above-mentioned design, by just
Relay is set in negative bus, and relay is respectively equipped with each high tension loop positive and negative anodes, and passes through entire car controller control
The closure of relay processed and disconnection.Power battery positive and negative anodes, high voltage power distribution module positive and negative anodes, each road height can be detected respectively to push back
Road positive and negative anodes whether there is insulation fault, can accurately investigate be that high tension loop cathode or anode exist insulation therefore
Barrier, greatly reduces the workload manually investigated.
Brief description of the drawings
, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it will be appreciated that and the following drawings illustrate only some embodiments of the utility model, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, without creative efforts,
Other relevant attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the utility model embodiment, the module diagram of Check System；
Fig. 2 is the utility model embodiment, investigates the flow diagram of control method.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
Attached drawing in new embodiment, is clearly and completely described the technical solution in the utility model embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in new, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment, shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
Embodiment 1
With reference to shown in Fig. 1, the quick Check System of electric motor coach insulation fault includes power battery, insulated monitoring module, height
Power entry module, entire car controller are pressed, electric motor coach has some high tension loops, and it is some high tension loops that power battery, which is used for,
High-voltage electricity is provided.The high pressure positive and negative anodes detection line of insulated monitoring module is connected with the positive and negative anodes output line of power battery respectively, is used
Whether there is insulation fault in detection Check System.Entire car controller is connected with high voltage power distribution module, for controlling high voltage power distribution
The work of module, and the insulation fault information sent according to insulated monitoring module judges to be specifically which road high tension loop is insulated
Failure.
Preferably, high voltage power distribution module include multiple relay K1, K2 ..., Kn, the multiple relays of vehicle control unit controls
Work, easy to investigate insulation fault.The positive and negative anodes bus of high voltage power distribution module positive and negative anodes pair with the power battery respectively
It should connect, and relay K1, K2 are respectively equipped with positive and negative anodes bus.Control program is loaded with entire car controller, by by certain
Sequential control high voltage power distribution mould each road relay in the block break-make there is insulation judging specifically any road high tension loop therefore
Barrier.
Further, if separating main line high tension loop cathode, high voltage power distribution module in the positive bus of high voltage power distribution module
If anode center line on separate main line high tension loop anode, high tension loop anode is corresponded per road high tension loop cathode.Per road
Relay is respectively equipped with high tension loop cathode, and relay is respectively equipped with every road high tension loop anode.
In specific embodiment, high voltage power distribution module include relay K1, K2 ..., K17, including driving electric motor loop, electricity turn
To high tension loops such as power-assisted circuit, electric air compressor machine circuits.High tension loop anode is corresponded per road high tension loop cathode, it is high per road
Push back be respectively equipped with the cathode on road relay K3 ..., K10, be respectively equipped with relay on the anode of corresponding high tension loop
K11、…、K17.It whether there is insulation fault easy to detect each road high tension loop positive and negative anodes respectively.
Wherein, driving electric motor loop further includes preliminary filling resistance and preliminary filling relay, the preliminary filling resistance and preliminary filling relay
Series connection, it is in parallel with the relay on driving electric motor loop cathode after series connection.
By setting relay in positive and negative anodes bus, and relay is respectively equipped with each high tension loop positive and negative anodes, and
Closure and disconnection by vehicle control unit controls relay.Power battery positive and negative anodes, high voltage power distribution module can be detected respectively
Positive and negative anodes, each road high tension loop positive and negative anodes whether there is insulation fault, can accurately investigate be that high tension loop cathode
Or anode greatly reduces the workload manually investigated there are insulation fault.
Check System further include CAN bus, insulation fault investigation button, display instrument, insulation fault investigate button with it is whole
Vehicle controller connects, and for starting the command signal of investigation to entire car controller input, investigating button by insulation fault can
Easily start and run investigation work.
Specifically, entire car controller is communicatively coupled by CAN bus and insulated monitoring module, display instrument.Insulation
Monitoring module detects the insulation fault information of high-voltage positive electrode or anode and vehicle body ground, and sends relevant insulation fault letter in real time
Cease to entire car controller.Entire car controller comprehensive descision goes out that insulation fault occurs in which specific road high tension loop, and to display instrument
Information is sent, whether which the road circuit for showing vehicle by display instrument insulation fault problem occurs so that insulation fault is arranged
The fruit that comes to an end can intuitively show, easy to artificial treatment insulation fault.
Embodiment 2
With reference to shown in Fig. 2, using the Check System in embodiment 1, the investigation control method comprises the following steps：
S1, in the case where car parking and key are located at ON grades of states, insulated monitoring module is detected insulation fault, vehicle control
Device processed judges whether to receive insulation fault investigation signal, if the entire car controller receives insulation fault investigation signal, enters
Next step is investigated；Otherwise terminate investigation；
S2, entire car controller control relay all in high voltage power distribution module to disconnect first, detect in vehicle move respectively
Whether the positive and negative anodes of power battery have insulation fault；Investigation result is sent if there are insulation fault and terminates to investigate, otherwise into
Enter next step investigation.Power battery positive and negative anodes are investigated by step S2 and whether there is insulation fault.
S3, if step S2 is not detected by insulation fault, controls the high voltage power distribution module to be located in positive and negative anodes bus
Relay closes, and remaining relay disconnects, and whether the positive and negative anodes for detecting high voltage power distribution module respectively have insulation fault；If in the presence of
Insulation fault, which then sends investigation, result and to be terminated to investigate, it is on the contrary then into next step investigation.High pressure is investigated by step S3 to match somebody with somebody
The positive and negative anodes of electric module whether there is insulation fault.
S4, if step S3 is not detected by insulation fault, controls the high voltage power distribution module to be located in positive and negative anodes bus
Relay closes, while controls the relay closure to be detected on the corresponding positive and negative anodes of certain high tension loop, and remaining relay
Disconnect, detect the high tension loop and whether there is insulation fault；Investigation result is sent if there are insulation fault and terminates to investigate, instead
Then further investigation.Whether the positive and negative anodes that the high tension loops such as driving electric motor loop can be investigated out there is insulation fault.
S5, if step S4 is not detected by insulation fault, the investigation step of circulation step S4, investigates other high tension loops,
Until having investigated all high tension loops.
When terminating investigation, all relays in the high voltage power distribution module need to be controlled to disconnect, ensure that investigation terminates rear vehicle
Safety.Closure and disconnection by vehicle control unit controls high voltage power distribution module repeat circuit, investigate each road height and push back one by one
Road positive and negative anodes whether there is insulation fault.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the present invention, for
For those skilled in the art, various modifications and changes may be made to the present invention.It is all in the spiritual and former of the utility model
Within then, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (4)
1. the quick Check System of electric motor coach insulation fault, it is characterised in that the Check System includes：
Power battery, electric motor coach have some high tension loops, and the power battery is used to provide for some high tension loops
High-voltage electricity；
Insulated monitoring module, for detecting insulation fault information, breath of concurrently delivering letters；
High voltage power distribution module, the connection corresponding with the positive and negative anodes of the power battery, and positive and negative anodes are defeated respectively of its positive and negative anodes input line
Enter and relay is respectively equipped with line；If main line high tension loop cathode, institute are separated in the cathode input line of the high voltage power distribution module
High tension loop anode in main line is separated in the anode input line of high voltage power distribution module if stating, high tension loop cathode one is a pair of described in per road
Answer the high tension loop anode；Relay is respectively equipped with described in per road on high tension loop cathode, and high tension loop described in per road is born
Relay is respectively equipped with extremely；
Wherein, the high tension loop include driving electric motor loop, it is described driving electric motor loop further include preliminary filling resistance and preliminary filling after
Electric appliance, preliminary filling resistance and preliminary filling the relay series connection, and with driving the relay on electric motor loop cathode simultaneously after the two series connection
Connection；
Entire car controller, communicates to connect, the entire car controller receives insulation with insulated monitoring module, high voltage power distribution module respectively
The information that monitoring module is sent；The disconnection of each relay of vehicle control unit controls or closure.
2. the quick Check System of electric motor coach insulation fault according to claim 1, it is characterised in that the Check System
CAN bus is further included, the insulated monitoring module, the entire car controller, be connected with the CAN bus respectively.
3. the quick Check System of electric motor coach insulation fault according to claim 1, it is characterised in that further include with it is described
The insulation fault investigation button of entire car controller connection, for starting the command signal of investigation to entire car controller input.
4. the quick Check System of electric motor coach insulation fault according to claim 2, it is characterised in that further include with it is described
The display instrument of CAN bus connection, the display instrument receive and show the insulated monitoring module and the entire car controller
The testing result of output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106704.2U CN207249043U (en) | 2017-08-31 | 2017-08-31 | The quick Check System of electric motor coach insulation fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106704.2U CN207249043U (en) | 2017-08-31 | 2017-08-31 | The quick Check System of electric motor coach insulation fault |
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| Publication Number | Publication Date |
|---|---|
| CN207249043U true CN207249043U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721106704.2U Active CN207249043U (en) | 2017-08-31 | 2017-08-31 | The quick Check System of electric motor coach insulation fault |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208395A (en) * | 2020-01-16 | 2020-05-29 | 一汽解放汽车有限公司 | Vehicle insulation state detection method and device, vehicle and storage medium |
| CN111474453A (en) * | 2020-05-15 | 2020-07-31 | 中国第一汽车股份有限公司 | Insulation detection circuit, method for detecting insulation fault of component and vehicle |
| CN113002308A (en) * | 2021-02-19 | 2021-06-22 | 北京车和家信息技术有限公司 | Vehicle insulation failure detection method and device, storage medium and electronic equipment |
| CN113009377A (en) * | 2021-03-05 | 2021-06-22 | 东风汽车集团股份有限公司 | Insulation fault positioning method and system for high-voltage system of pure electric vehicle |
| CN114047457A (en) * | 2021-10-21 | 2022-02-15 | 深圳市道通科技股份有限公司 | Fault detection positioning method and device, electronic equipment and storage medium |
-
2017
- 2017-08-31 CN CN201721106704.2U patent/CN207249043U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208395A (en) * | 2020-01-16 | 2020-05-29 | 一汽解放汽车有限公司 | Vehicle insulation state detection method and device, vehicle and storage medium |
| CN111474453A (en) * | 2020-05-15 | 2020-07-31 | 中国第一汽车股份有限公司 | Insulation detection circuit, method for detecting insulation fault of component and vehicle |
| CN113002308A (en) * | 2021-02-19 | 2021-06-22 | 北京车和家信息技术有限公司 | Vehicle insulation failure detection method and device, storage medium and electronic equipment |
| CN113009377A (en) * | 2021-03-05 | 2021-06-22 | 东风汽车集团股份有限公司 | Insulation fault positioning method and system for high-voltage system of pure electric vehicle |
| CN113009377B (en) * | 2021-03-05 | 2024-01-30 | 东风汽车集团股份有限公司 | Insulation fault positioning method and system for high-voltage system of pure electric vehicle |
| CN114047457A (en) * | 2021-10-21 | 2022-02-15 | 深圳市道通科技股份有限公司 | Fault detection positioning method and device, electronic equipment and storage medium |
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