CN106864270A - Relay control system with fault diagnosis functions - Google Patents

Relay control system with fault diagnosis functions Download PDF

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Publication number
CN106864270A
CN106864270A CN201710041816.2A CN201710041816A CN106864270A CN 106864270 A CN106864270 A CN 106864270A CN 201710041816 A CN201710041816 A CN 201710041816A CN 106864270 A CN106864270 A CN 106864270A
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CN
China
Prior art keywords
relay
failure
module
fault
inspection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710041816.2A
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Chinese (zh)
Inventor
邓宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen OptimumNano Energy Co Ltd
Original Assignee
Shenzhen OptimumNano Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen OptimumNano Energy Co Ltd filed Critical Shenzhen OptimumNano Energy Co Ltd
Priority to CN201710041816.2A priority Critical patent/CN106864270A/en
Publication of CN106864270A publication Critical patent/CN106864270A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

A kind of relay control system with fault diagnosis functions includes control module, drive module, relay module and fault processing module.The control module carries out self-inspection upon power-up of the system, and failed transmission to the fault processing module when self-inspection is out of order, and controls the drive module to carry out self-inspection when self-inspection haunts faulty.The drive module is used to failed transmission to the fault processing module when self-inspection is out of order, and detected when self-inspection haunts faulty the spi bus with the presence or absence of failure and the multiple relay with the presence or absence of broken string, and when detecting that the spi bus have a failure or the multiple relay there is broken string by failed transmission to the fault detection module.The fault processing module is used to carry out respective handling to the failure for receiving.The above-mentioned relay control system with fault diagnosis functions can in time detect the failure of relay and its control circuit and carry out respective handling.

Description

Relay control system with fault diagnosis functions
【Technical field】
The present invention relates to electric vehicle engineering field, more particularly to it is a kind of be applied to electric automobile with fault diagnosis work( The relay control system of energy.
【Background technology】
At present, electric automobile is gradually being promoted and will had broad prospects in future.Electrokinetic cell system is used as electricity The power resources of electrical automobile, the stability and reliability of its work directly influence the security of electric automobile.Electrokinetic cell system System cuts off and closes electrokinetic cell loop usually using relay, when relay and its control circuit break down, but power Battery system cannot but find in time, during so as to leading to not in time process failure, it will bring pole to electric automobile Big potential safety hazard.
In view of the foregoing, be necessary to provide a kind of relay control system with fault diagnosis functions in fact with overcome with Upper defect.
【The content of the invention】
It is an object of the invention to provide a kind of failure that can in time detect relay and its control circuit and carry out corresponding The relay control system with fault diagnosis functions for the treatment of.
To achieve these goals, the present invention provides a kind of relay control system with fault diagnosis functions, described Relay control system with fault diagnosis functions includes control module, drive module, relay module and troubleshooting mould Block, the relay module includes multiple relays, and the drive module is connected with each relay, and by spi bus and The control module is connected, and the fault processing module is connected with the control module and the drive module, the control mould Block is used to carry out self-inspection upon power-up of the system, and failed transmission to the fault processing module when self-inspection is out of order, and The drive module is controlled when self-inspection haunts faulty carries out self-inspection, and the drive module is used for event when self-inspection is out of order Barrier transmit out to the fault processing module, and detected when self-inspection haunts faulty the spi bus with the presence or absence of failure with And the multiple relay is with the presence or absence of broken string, and detecting that the spi bus have failure or the multiple relay is deposited The fault detection module is given by failed transmission in broken string, also the spi bus is being detected in the absence of failure and described many Testing result is exported to the control module when individual relay is in the absence of broken string, the control module is additionally operable to receiving Control the disconnection of the multiple relay and close by the drive module after stating testing result, the fault processing module is used Respective handling is carried out in the failure to receiving.
Further, the drive module is additionally operable to detect the multiple relay when the multiple relay works Whether break down, and detecting failed transmission when certain relay breaks down to the fault processing module.
Further, the relay module also includes auxiliary diagnosis unit, the auxiliary diagnosis unit and each relay Device and the fault processing module are connected, and the auxiliary diagnosis unit is used to detect described many when the multiple relay works Individual relay whether failure, and detecting certain relay break down when by failed transmission give the troubleshooting Module.
Further, the failure of the spi bus includes spi bus broken string, the spi bus operation irregularity or punching Dash forward and the spi bus load factor is too high.
Further, the fault processing module is used to classify the failure for receiving, and according to the type of failure Take corresponding treatment measures.
Further, the failure that the fault processing module is used to receive is divided into first to fourth class, and to first The failure of class takes the treatment measures stopped in emergency, and the failure to Equations of The Second Kind takes the treatment measures of limitation power, to the 3rd class Failure takes the treatment measures repaired to maintenance station, also takes the 4th class failure the treatment measures of fault alarm.
Further, the control module includes one or more in central processing unit, micro-control unit and single-chip microcomputer.
Compared to prior art, the present invention carries out self-inspection upon power-up of the system by the control module, and is detecting certainly Failed transmission is gone out to the fault processing module during failure, and controls the drive module to carry out when self-inspection haunts faulty Self-inspection;Also failed transmission is gone out to the fault processing module, and in self-inspection when self-inspection is out of order by the drive module Detect that the spi bus whether there is broken string with the presence or absence of failure and the multiple relay when haunting faulty, and in inspection Measure failed transmission when the spi bus have failure or the multiple relay in the presence of broken string to the fault detect mould Block, is also detecting that the spi bus do not exist failure and the multiple relay exports testing result in the absence of when breaking To the control module, so that the control module is described by drive module control after the testing result is received The disconnection of multiple relays and closure;Respective handling is also carried out to the failure for receiving by the fault processing module;So as to The relay control system with fault diagnosis functions is set to detect the failure of relay and its control circuit simultaneously in time Processed accordingly, and then improve the security and reliability of system.
【Brief description of the drawings】
The theory diagram of the relay control system with fault diagnosis functions that Fig. 1 is provided for embodiments of the invention.
【Specific embodiment】
In order that the purpose of the present invention, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with this hair Accompanying drawing in bright embodiment, is clearly and completely described, it is clear that described to the technical scheme in the embodiment of the present invention Embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention Scope.
When an element was considered as with another element " being connected ", it can be directly to another element or May be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to this hair The implication that bright those skilled in the art are generally understood that is identical.The term for being used in the description of the invention herein It is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.
Refer to Fig. 1, the relay control system with fault diagnosis functions that Fig. 1 is provided for embodiments of the invention 100 theory diagram.The relay control system 100 with fault diagnosis functions includes control module 10, drive module 20th, relay module 30 and fault processing module 50.The relay module 30 includes multiple relays 32.The drive module 20 are connected with each relay 32, and by SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) bus 12 are connected with the control module 10.The fault processing module 50 and the control module 10 and the phase of the drive module 20 Even.
The control module 10 is used to carry out self-inspection upon power-up of the system, and when self-inspection is out of order by failed transmission go out to The fault processing module 50, and control the drive module 20 to carry out self-inspection when self-inspection haunts faulty.The driving mould Block 20 is used to failed transmission to the fault processing module 50 when self-inspection is out of order, and is examined when self-inspection haunts faulty The spi bus 12 are surveyed with the presence or absence of failure and the multiple relay 32 with the presence or absence of broken string, and is detecting the SPI There is failure in bus 12 or the multiple relay 32 is present failed transmission when breaking to the fault detection module, also in inspection Measure the spi bus 12 in the absence of failure and the multiple relay 32 in the absence of broken string when testing result is exported to described Control module 10.The control module 10 is additionally operable to after the testing result is received control institute by the drive module 20 State disconnection and the closure of multiple relays 32.The fault processing module 50 is used to carry out respective handling to the failure for receiving.
What the drive module 20 was additionally operable to detect the multiple relay 32 when the multiple relay 32 works is No failure, and detecting failed transmission when certain relay 32 breaks down to the fault processing module 50.
The relay module 30 also includes auxiliary diagnosis unit 36.The auxiliary diagnosis unit 36 and each relay 32 And the fault processing module 50 is connected.The auxiliary diagnosis unit 36 is used to detect institute when the multiple relay 32 works State multiple relays 32 whether failure, and detecting failed transmission when certain relay 32 breaks down to described Fault processing module 50.
In the present embodiment, the failure of the spi bus 12 break including the spi bus 12, the spi bus 12 Operation irregularity or conflict and the load factor of the spi bus 12 are excessively high.
The fault processing module 50 is used to classify the failure for receiving, and is taken accordingly according to the type of failure Treatment measures.In the present embodiment, the failure that the fault processing module 50 is used to receive is divided into first to fourth Class, and failure to the first kind takes the treatment measures stopped in emergency, the failure to Equations of The Second Kind takes the treatment of limitation power to arrange Apply, the treatment measures repaired to maintenance station are taken to the 3rd class failure, also take the treatment of fault alarm to arrange the 4th class failure Apply.In other embodiments, the failure that the fault processing module 50 be able to will be received according to actual conditions is divided into other Type, can also take other measures to process different types of failure.
In the present embodiment, the control module 10 includes CPU (Central Processing Unit, center treatment Device), one or more in MCU (Micro Controller Unit, micro-control unit) and single-chip microcomputer.
The operation principle of relay control system 100 of the present invention with fault diagnosis functions will be illustrated below.
After system electrification, the control module 10 carries out self-inspection, and to described failed transmission when self-inspection is out of order Fault processing module 50, and control the drive module 20 to carry out self-inspection when self-inspection haunts faulty.The drive module 20 Failed transmission is gone out to the fault processing module 50 when self-inspection is out of order, and is detected when self-inspection haunts faulty described Spi bus 12 whether there is broken string with the presence or absence of failure and the multiple relay 32, and detect the spi bus 12 There is failure or the multiple relay 32 is present failed transmission when breaking to the fault detection module, also detecting State spi bus 12 in the absence of failure and the multiple relay 32 in the absence of broken string when testing result is exported to the control mould Block 10.The control module 10 sends control signal to institute also after the testing result is received by the spi bus 12 Drive module 20 is stated, the drive module 20 controls disconnection and the closure of the multiple relay 32 according to the control signal.
When the multiple relay 32 works, the drive module 20 detect the multiple relay 32 whether appearance Failure, and detecting failed transmission when certain relay 32 breaks down to the fault processing module 50.The auxiliary Diagnosis unit 36 also detect the multiple relay 32 whether failure, and broken down certain relay 32 is detected When by failed transmission give the fault processing module 50.It follows that in the present embodiment, when the work of the multiple relay 32 When making, the drive module 20 and the auxiliary diagnosis unit 36 detect jointly the multiple relay 32 whether appearance therefore Barrier, and detect that certain relay 32 breaks down or the auxiliary diagnosis unit 36 detects certain in the drive module 20 When relay 32 breaks down, failed transmission can be given the failure by the drive module 20 or the auxiliary diagnosis unit 36 Processing module 50.That is, multiple when present embodiment is by the 36 pairs of work of the drive module 20 and the auxiliary diagnosis unit The failure of relay 32 carries out double check, so as to enhance the multiple failure of relay 32 of system detectio accuracy and can By property.
50 pairs of failures for receiving of the fault processing module are classified, and take corresponding place according to the type of failure Reason measure.Specifically, the failure that the fault processing module 50 will be received is divided into first to fourth class, and to the event of the first kind Barrier takes the treatment measures stopped in emergency, and the failure to Equations of The Second Kind takes the treatment measures of limitation power, and the 3rd class failure is adopted The treatment measures of maintenance station maintenance are got, the treatment measures of fault alarm are also taken the 4th class failure.
The present invention carries out self-inspection upon power-up of the system by the control module 10, and passes failure when self-inspection is out of order Export to the fault processing module 50, and control the drive module 20 to carry out self-inspection when self-inspection haunts faulty;Also lead to Cross the drive module 20 failed transmission to the fault processing module 50 when self-inspection is out of order, and go out not having in self-inspection Detect that the spi bus 12 whether there is broken string with the presence or absence of failure and the multiple relay 32 during failure, and in detection It has failed transmission when the spi bus 12 have failure or the multiple relay 32 in the presence of broken string to the fault detect mould Block, also when detecting the spi bus 12 in the absence of failure and the multiple relay 32 in the absence of broken string by testing result Export to the control module 10 so that the control module 10 after the testing result is received by the drive module The disconnection of 20 the multiple relays 32 of control and closure;Also carried out by 50 pairs of failures for receiving of the fault processing module Respective handling;So that the control system of relay 32 with fault diagnosis functions can detect in time relay 32 and its The failure of control circuit is simultaneously processed accordingly, and then improves the security and reliability of system.
The present invention is by the drive module 20 and the auxiliary diagnosis unit 36 when the multiple relay 32 works Detect the multiple relay 32 whether failure, and the drive module 20 detect certain relay 32 occur therefore When barrier or the auxiliary diagnosis unit 36 detect the failure of certain relay 32, the drive module 20 or the auxiliary are examined Failed transmission can be given the fault processing module 50 by disconnected unit 36, it is achieved thereby that multiple relays 32 during to work Failure carries out the function of double check, and then enhances the accuracy and reliability of the multiple failure of relay 32 of system detectio Property.
The present invention is not restricted to described in description and embodiments, therefore can for the personnel of familiar field Additional advantage and modification are easily realized, therefore in the spirit of the universal limited without departing substantially from claim and equivalency range In the case of scope, the present invention is not limited to specific details, representational equipment and shows shown here as the diagram with description Example.

Claims (7)

1. a kind of relay control system with fault diagnosis functions, it is characterised in that:It is described with fault diagnosis functions Relay control system includes control module, drive module, relay module and fault processing module, the relay module bag Multiple relays are included, the drive module is connected with each relay, and is connected with the control module by spi bus, institute State fault processing module to be connected with the control module and the drive module, the control module is used to enter upon power-up of the system Row self-inspection, and failed transmission to the fault processing module when self-inspection is out of order, and haunted faulty time control in self-inspection Making the drive module carries out self-inspection, and for have failed transmission at the failure when self-inspection is out of order by the drive module Reason module, and detected when self-inspection haunts faulty the spi bus with the presence or absence of failure and the multiple relay whether In the presence of broken string, and detect the spi bus exist when there is broken string in failure or the multiple relay by failed transmission to The fault detection module, also when detecting the spi bus in the absence of failure and the multiple relay in the absence of broken string Testing result is exported to the control module, the control module is additionally operable to after the testing result is received by described Drive module controls disconnection and the closure of the multiple relay, and the fault processing module is used to carry out the failure for receiving Respective handling.
2. there is the relay control system of fault diagnosis functions as claimed in claim 1, it is characterised in that:The driving mould Block be additionally operable to be detected when the multiple relay works the multiple relay whether failure, and detecting certain When relay breaks down the fault processing module is given by failed transmission.
3. there is the relay control system of fault diagnosis functions as claimed in claim 1, it is characterised in that:The relay Module also includes auxiliary diagnosis unit, and the auxiliary diagnosis unit is connected with each relay and the fault processing module, institute State auxiliary diagnosis unit for detected when the multiple relay works the multiple relay whether failure, and Detect failed transmission when certain relay breaks down to the fault processing module.
4. there is the relay control system of fault diagnosis functions as claimed in claim 1, it is characterised in that:The SPI is total The failure of line includes spi bus broken string, the spi bus operation irregularity or conflict and the spi bus load factor mistake It is high.
5. there is the relay control system of fault diagnosis functions as claimed in claim 1, it is characterised in that:At the failure Reason module is used to classify the failure for receiving, and takes corresponding treatment measures according to the type of failure.
6. there is the relay control system of fault diagnosis functions as claimed in claim 5, it is characterised in that:At the failure Reason module is used for the failure that will receive and is divided into first to fourth class, and failure to the first kind takes the treatment stopped in emergency to arrange Apply, the failure to Equations of The Second Kind takes the treatment measures of limitation power, takes the treatment repaired to maintenance station to arrange the 3rd class failure Apply, also take the 4th class failure the treatment measures of fault alarm.
7. there is the relay control system of fault diagnosis functions as claimed in claim 1, it is characterised in that:The control mould Block includes one or more in central processing unit, micro-control unit and single-chip microcomputer.
CN201710041816.2A 2017-01-20 2017-01-20 Relay control system with fault diagnosis functions Pending CN106864270A (en)

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Application Number Priority Date Filing Date Title
CN201710041816.2A CN106864270A (en) 2017-01-20 2017-01-20 Relay control system with fault diagnosis functions

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Application Number Priority Date Filing Date Title
CN201710041816.2A CN106864270A (en) 2017-01-20 2017-01-20 Relay control system with fault diagnosis functions

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107264286A (en) * 2017-06-27 2017-10-20 北京新能源汽车股份有限公司 Method, device and equipment for processing running fault of electric automobile
CN107825962A (en) * 2017-10-31 2018-03-23 北京新能源汽车股份有限公司 Electric automobile control method and system and electric automobile
CN108061852A (en) * 2017-11-10 2018-05-22 北京全路通信信号研究设计院集团有限公司 Relay control supervision method and device and computer storage medium
CN109884519A (en) * 2019-03-11 2019-06-14 汉腾汽车有限公司 A kind of new-energy automobile power battery charge relay control system
CN110470982A (en) * 2019-08-08 2019-11-19 江苏斯菲尔电气股份有限公司 A kind of relay efficient detection system
CN110806539A (en) * 2019-11-26 2020-02-18 深圳赛意法微电子有限公司 Detector for relay and driving chip
CN112277647A (en) * 2020-10-30 2021-01-29 蜂巢能源科技有限公司 Battery management system and vehicle
CN112462227A (en) * 2020-10-13 2021-03-09 珠海格力电器股份有限公司 Circuit fault detection device, detection method, bearing controller and magnetic suspension bearing

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107264286A (en) * 2017-06-27 2017-10-20 北京新能源汽车股份有限公司 Method, device and equipment for processing running fault of electric automobile
CN107825962A (en) * 2017-10-31 2018-03-23 北京新能源汽车股份有限公司 Electric automobile control method and system and electric automobile
CN107825962B (en) * 2017-10-31 2019-10-18 北京新能源汽车股份有限公司 Electric automobile control method and system and electric automobile
CN108061852A (en) * 2017-11-10 2018-05-22 北京全路通信信号研究设计院集团有限公司 Relay control supervision method and device and computer storage medium
CN108061852B (en) * 2017-11-10 2020-11-24 北京全路通信信号研究设计院集团有限公司 Relay control supervision method and device and computer storage medium
CN109884519A (en) * 2019-03-11 2019-06-14 汉腾汽车有限公司 A kind of new-energy automobile power battery charge relay control system
CN110470982A (en) * 2019-08-08 2019-11-19 江苏斯菲尔电气股份有限公司 A kind of relay efficient detection system
CN110806539A (en) * 2019-11-26 2020-02-18 深圳赛意法微电子有限公司 Detector for relay and driving chip
CN112462227A (en) * 2020-10-13 2021-03-09 珠海格力电器股份有限公司 Circuit fault detection device, detection method, bearing controller and magnetic suspension bearing
CN112277647A (en) * 2020-10-30 2021-01-29 蜂巢能源科技有限公司 Battery management system and vehicle
CN112277647B (en) * 2020-10-30 2021-11-05 蜂巢能源科技有限公司 Battery management system and vehicle

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Application publication date: 20170620