CN102407778A - Real-time anti-interference complementation type vehicle-mounted leakage detection system - Google Patents
Real-time anti-interference complementation type vehicle-mounted leakage detection system Download PDFInfo
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- CN102407778A CN102407778A CN2010102879956A CN201010287995A CN102407778A CN 102407778 A CN102407778 A CN 102407778A CN 2010102879956 A CN2010102879956 A CN 2010102879956A CN 201010287995 A CN201010287995 A CN 201010287995A CN 102407778 A CN102407778 A CN 102407778A
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- electrical leakage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention discloses a real-time anti-interference complementation type vehicle-mounted leakage detection system. In the system, a detection end of a power supply leakage detection module is connected with the total positive end of a main line; a signal acquisition end of the power supply leakage detection module is connected with a power supply system; two modules are provided with an alarm signal output end respectively; both the alarm signal output end of a frame leakage detection module and the alarm signal output end of the power supply leakage detection module are connected with an input port of a battery management system; when detecting that insulation resistance is lower than a set value and leakage faults occur, one of the two modules can output an alarm signal to the battery management system, the battery management system automatically identifies the alarm signal and quickly determines a leakage position, one output end of the battery management system is connected with a vehicle controller, the battery management system detects detection results of the two modules of a vehicle and reports the detection results to the vehicle controller, and the other output end of the battery management system is connected with an alarm unit; and when the leakage faults occur, the battery management system controls the alarm unit to send the alarm signal out.
Description
Technical field
The present invention relates to the detection of electrical leakage system of vehicle-carried auxiliary power power supply and vehicle-mounted engine installation in the complementary vehicle-mounted detection of electrical leakage of a kind of real-time anti-crosstalk system, particularly new-energy automobile, express locomotive and the magnetic suspension train.
Background technology
Along with new-energy automobile and express locomotive, magnetic suspension train technology order become ripe, its application will progressively be promoted, and therefore the safety to power-supply system also proposes increasingly high requirement.Existing technology is to be connected on the main line of power-supply system through the test side with the detection of electrical leakage module, detects main line the insulation resistance of vehicle frame is realized detection of electrical leakage.This device has following drawback: one, occur can causing this decline to the power brick assembly class of insulation when unusual when a certain cell in the Vehicular power system, and under power brick assembly and vehicle frame insulation degree good situations, the detection of electrical leakage module will detect less than leak current fault; Be that the detection of electrical leakage module is in failure state; So as time passes, fault further enlarges, and fail battery gets into vicious circle; Finally possibly cause battery short circuit to burn, even initiation fire; Two, when the detection of electrical leakage module detects main line there is leak current fault in vehicle frame, existing control unit can't the fault location parts, are unfavorable for the quick eliminating of fault.In addition in the prior art under auxiliary power unit trouble free prerequisite, when detection when leak current fault exists, often the Vehicular power system failure condition worsens, and can not accomplish early to find early to handle the big hidden danger of security presence; No acousto-optic alarm unit in the prior art, alerting signal output is not directly perceived.
Summary of the invention
The invention provides the complementary vehicle-mounted detection of electrical leakage of a kind of real-time anti-crosstalk system; It is separate with power supply detection of electrical leakage and vehicle frame detection of electrical leakage; Not only prevent phase mutual interference between two checking systems effectively, and can throw location electric leakage position fast, the safety that improves vehicle and vehicle power.
The present invention has adopted following technical scheme: the complementary vehicle-mounted detection of electrical leakage of a kind of real-time anti-crosstalk system; It comprises vehicle frame detection of electrical leakage module; The test side of vehicle frame detection of electrical leakage module is connected with total anode of main line; The acquisition of signal end of vehicle frame detection of electrical leakage module connects to ground; It also comprises power supply detection of electrical leakage module, battery management system, vehicle control device and alarm unit, and the test side of power supply detection of electrical leakage module is connected with total anode of main line, and the acquisition of signal end of power supply detection of electrical leakage module is connected with power-supply system; Vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module are respectively equipped with alarm signal output ends; The alarm signal output ends of the alarm signal output ends of vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module all is connected with the input port of battery management system, can be when vehicle frame detection of electrical leakage module or power supply detection of electrical leakage module detect insulation resistance and be lower than setting value and leak current fault occurs to the battery management system output alarm signal, and battery management system is discerned alerting signal automatically; Locate the electric leakage position fast; One mouth of battery management system is connected with vehicle control device, and battery management system will detect the testing result of vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module and report vehicle control device, and another mouth of battery management system is connected with alarm unit; When leak current fault occurring, battery management system control alarm unit sends alerting signal.
Described vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module are set to sensor for detecting electric leakage.The alarm signal output ends of described vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module comprises one-level warning mouth and second signal mouth; The one-level warning mouth of vehicle frame detection of electrical leakage module all is connected with an input port of battery management system with secondary warning mouth, and the one-level warning mouth of power supply detection of electrical leakage module all is connected with another input port of battery management system with secondary warning mouth.Described alarm unit is an acoustic-optic alarm.Be connected through CAN communication protocol between described battery management system and the vehicle control device.The present invention has following beneficial effect: the present invention is provided with vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module, like this can the detection of electrical leakage of the detection of electrical leakage of vehicle-mounted dynamic power system and vehicle assisted dynamic device is separate, complement each other; The detection of electrical leakage of two cover systems not only effectively prevents disturbing mutually between two cover systems in the detection of electrical leakage process not altogether, and can locate the electric leakage position fast; Can find potential safety hazard ahead of time; When guaranteeing vehicle safety, protected the safety of Vehicular power system effectively, detecting unit adopts modular design in addition; Can increase and decrease detecting unit as required, meet the different needs.Battery management system of the present invention has communication function, is connected through CAN communication protocol between battery management system and the vehicle control device, but real-time report testing result so just.Be connected with alarm unit on the battery management system of the present invention, alarm unit can send sound and light alarm when electric leakage takes place, the alarm lamp flicker, and buzzer phone sends caution sound, can make alerting signal output more directly perceived like this, improves safety.
Description of drawings
Fig. 1 is a structured flowchart of the present invention
The specific embodiment
In Fig. 1; The invention provides the complementary vehicle-mounted detection of electrical leakage of a kind of real-time anti-crosstalk system; It comprises vehicle frame detection of electrical leakage module, power supply detection of electrical leakage module, battery management system, vehicle control device and alarm unit; Vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module are set to sensor for detecting electric leakage; Alarm unit is an acoustic-optic alarm; Acoustic-optic alarm comprises alarm lamp and buzzer phone, and the test side of vehicle frame detection of electrical leakage module is connected with total anode of main line, and the acquisition of signal end of vehicle frame detection of electrical leakage module connects to ground; The test side of power supply detection of electrical leakage module is connected with total anode of main line; The acquisition of signal end of power supply detection of electrical leakage module is connected with power-supply system, and vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module are respectively equipped with alarm signal output ends, and the alarm signal output ends of vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module comprises one-level warning mouth and second signal mouth; The one-level warning mouth of vehicle frame detection of electrical leakage module all is connected with an input port of battery management system with secondary warning mouth; The one-level warning mouth of power supply detection of electrical leakage module all is connected with another input port of battery management system with secondary warning mouth, and the alarm signal output ends of the alarm signal output ends of vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module all is connected with the input port of battery management system, can be to the battery management system output alarm signal when vehicle frame detection of electrical leakage module or power supply detection of electrical leakage module detect insulation resistance and be lower than setting value and leak current fault occurs; Battery management system is discerned alerting signal automatically; Quick location electric leakage position, a mouth of battery management system is connected with vehicle control device, is connected through CAN communication protocol between battery management system and the vehicle control device; Battery management system will detect the testing result of vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module and report vehicle control device; Another mouth of battery management system is connected with alarm unit, and when leak current fault occurring, battery management system control alarm unit sends alerting signal.Import the direct supply of 24V respectively respectively to vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module; When no leak current fault takes place; Vehicle frame detection of electrical leakage module or power supply detection of electrical leakage module output low level, when vehicle frame detection of electrical leakage module or the detected insulation resistance of power supply detection of electrical leakage module during less than 88 kilo-ohms, vehicle frame detection of electrical leakage module or power supply detection of electrical leakage module are sent one-level and are reported to the police; One-level warning mouth output 12V high level, secondary warning mouth output low level; When vehicle frame detection of electrical leakage module or the detected insulation resistance of power supply detection of electrical leakage module during less than 18 kilo-ohms, vehicle frame detection of electrical leakage module or power supply detection of electrical leakage module are sent secondary and are reported to the police, and one-level warning mouth and secondary warning mouth are all exported the 12V high level.
Claims (5)
1. the complementary vehicle-mounted detection of electrical leakage of real-time anti-crosstalk system; It comprises vehicle frame detection of electrical leakage module; The test side of vehicle frame detection of electrical leakage module is connected with total anode of main line; The acquisition of signal end of vehicle frame detection of electrical leakage module connects to ground; It is characterized in that it also comprises power supply detection of electrical leakage module, battery management system, vehicle control device and alarm unit, the test side of power supply detection of electrical leakage module is connected with total anode of main line, and the acquisition of signal end of power supply detection of electrical leakage module is connected with power-supply system; Vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module are respectively equipped with alarm signal output ends; The alarm signal output ends of the alarm signal output ends of vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module all is connected with the input port of battery management system, can be when vehicle frame detection of electrical leakage module or power supply detection of electrical leakage module detect insulation resistance and be lower than setting value and leak current fault occurs to the battery management system output alarm signal, and battery management system is discerned alerting signal automatically; Locate the electric leakage position fast; One mouth of battery management system is connected with vehicle control device, and battery management system will detect the testing result of vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module and report vehicle control device, and another mouth of battery management system is connected with alarm unit; When leak current fault occurring, battery management system control alarm unit sends alerting signal.
2. the complementary vehicle-mounted detection of electrical leakage of real-time anti-crosstalk according to claim 1 system is characterized in that described vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module are set to sensor for detecting electric leakage.
3. the complementary vehicle-mounted detection of electrical leakage of real-time anti-crosstalk according to claim 1 system; The alarm signal output ends that it is characterized in that described vehicle frame detection of electrical leakage module and power supply detection of electrical leakage module comprises one-level warning mouth and second signal mouth; The one-level warning mouth of vehicle frame detection of electrical leakage module all is connected with an input port of battery management system with secondary warning mouth, and the one-level warning mouth of power supply detection of electrical leakage module all is connected with another input port of battery management system with secondary warning mouth.
4. the complementary vehicle-mounted detection of electrical leakage of real-time anti-crosstalk according to claim 1 system is characterized in that described alarm unit is an acoustic-optic alarm.
5. the complementary vehicle-mounted detection of electrical leakage of real-time anti-crosstalk according to claim 1 system is characterized in that being connected through CAN communication protocol between described battery management system and the vehicle control device.
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| CN201010287995.6A CN102407778B (en) | 2010-09-21 | 2010-09-21 | Real-time anti-interference complementation type vehicle-mounted leakage detection system |
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| CN201010287995.6A CN102407778B (en) | 2010-09-21 | 2010-09-21 | Real-time anti-interference complementation type vehicle-mounted leakage detection system |
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| CN102407778B CN102407778B (en) | 2014-01-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576042A (en) * | 2012-08-01 | 2014-02-12 | 现代自动车株式会社 | Electrical leakage diagnosis apparatus for vehicle using insulation resistance sensor and control method thereof |
| CN106855589A (en) * | 2015-12-08 | 2017-06-16 | 台达电子工业股份有限公司 | Electric power source distribution device and its fault detection method |
| CN108054457A (en) * | 2018-01-17 | 2018-05-18 | 华霆（合肥）动力技术有限公司 | Cell safety monitoring device and method |
| CN108337114A (en) * | 2018-01-16 | 2018-07-27 | 中车青岛四方机车车辆股份有限公司 | Network state processing equipment, method and train |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576042A (en) * | 2012-08-01 | 2014-02-12 | 现代自动车株式会社 | Electrical leakage diagnosis apparatus for vehicle using insulation resistance sensor and control method thereof |
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| CN106855589A (en) * | 2015-12-08 | 2017-06-16 | 台达电子工业股份有限公司 | Electric power source distribution device and its fault detection method |
| CN106855589B (en) * | 2015-12-08 | 2020-07-31 | 台达电子工业股份有限公司 | Power distributor and fault detection method thereof |
| CN108337114A (en) * | 2018-01-16 | 2018-07-27 | 中车青岛四方机车车辆股份有限公司 | Network state processing equipment, method and train |
| CN108054457A (en) * | 2018-01-17 | 2018-05-18 | 华霆（合肥）动力技术有限公司 | Cell safety monitoring device and method |
| CN108054457B (en) * | 2018-01-17 | 2023-08-15 | 华霆（合肥）动力技术有限公司 | Battery safety monitoring device and method |
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| CN102407778B (en) | 2014-01-15 |
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