CN108318828A - A kind of battery insulation monitoring system of vehicle - Google Patents
A kind of battery insulation monitoring system of vehicle Download PDFInfo
- Publication number
- CN108318828A CN108318828A CN201810398355.9A CN201810398355A CN108318828A CN 108318828 A CN108318828 A CN 108318828A CN 201810398355 A CN201810398355 A CN 201810398355A CN 108318828 A CN108318828 A CN 108318828A
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- Prior art keywords
- battery
- module
- insulation
- vehicle
- monitoring
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- 238000009413 insulation Methods 0.000 title claims abstract description 104
- 238000012544 monitoring process Methods 0.000 title claims abstract description 83
- 238000012546 transfer Methods 0.000 claims abstract description 3
- 239000000446 fuel Substances 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The embodiment of the invention discloses a kind of battery insulations of vehicle to monitor system, and battery insulation monitoring system is isolated with the vehicle body of vehicle, and battery insulation monitoring system includes：Battery module, insulating monitoring module and main control module；Insulating monitoring module is electrically connected with battery module, insulating monitoring module is used to monitor and obtain the insulation values of battery module, main control module is electrically connected with insulating monitoring module and battery module respectively, and main control module is used to receive the insulation values of the battery module of insulating monitoring module transfer and controls the working condition of battery module according to the insulation values of battery module.In the embodiment of the present invention, battery insulation monitoring system is isolated with the vehicle body of vehicle, it can realize to the individual insulating monitoring of battery module and control, be not in vehicle body insulation and on-vehicle battery system insulation conflict and interference, have it is simple in structure, facilitate installation, insulation values at low cost and can individually monitoring battery module in real time technique effect.
Description
Technical field
The present embodiments relate to the battery insulations of battery technology more particularly to a kind of vehicle to monitor system.
Background technology
The size for the safe voltage that human body can be born depend on human body allow by electric current and human body resistance, it is tactile having
In the case of electrical protective device, human body allow by electric current be 30mA, DC voltage be more than 60V will have electric shock to human body
Injury.
The power source of hybrid vehicle and electric vehicle is on-vehicle battery system at present, and the voltage of on-vehicle battery system is high
Up to 200V~600V, electric current is up to hundreds of amperes.Therefore hybrid vehicle or electric vehicle and on-vehicle battery system therein
It is both needed to carry out insulating Design, stringent control and monitoring insulation values, by Leakage Current control in safe range, guards against human body and touch
Electricity.
On-vehicle battery system is connected with vehicle body in existing hybrid vehicle and electric vehicle, therefore insulate to vehicle
Design and monitoring can not carry out insulating monitoring to on-vehicle battery system.Insulating monitoring presence can not be carried out to on-vehicle battery system
Deficiency be：Vehicle body is integrated insulation values with the making of on-vehicle battery system, also can when the insulation values of on-vehicle battery system are relatively low
The insulation values of vehicle body are dragged down, once the relatively low situation of insulation values occurs in vehicle body, leakage investigation range can be caused very big；Another party
Face, if carrying out individual insulating monitoring to on-vehicle battery system, vehicle body insulation and on-vehicle battery system insulation will produce conflict
And interference.
Invention content
The embodiment of the present invention provides a kind of battery insulation monitoring system of vehicle, can not be to vehicle mounted electric to solve the prior art
Cell system carries out the problem of insulating monitoring.
An embodiment of the present invention provides a kind of battery insulations of vehicle to monitor system, the battery insulation monitoring system and institute
The vehicle body isolation of vehicle is stated, the battery insulation monitoring system includes：Battery module, insulating monitoring module and main control module；
The insulating monitoring module is electrically connected with the battery module, and the insulating monitoring module is for monitoring and obtaining institute
The insulation values of battery module are stated, the main control module is electrically connected with the insulating monitoring module and the battery module respectively, institute
State the insulation values of the battery module of the main control module for receiving the insulating monitoring module transfer and according to the battery mould
The insulation values of block control the working condition of the battery module.
Further, the battery module includes direct current transducer and power battery, and the direct current transducer is moved with described
Power battery is electrically connected, and the direct current transducer is isolated with the vehicle body.
Further, the power battery include anode and cathode, the insulating monitoring module by with the power electric
The anode and cathode in pond are electrically connected to obtain the insulation values of the battery module.
Further, the power battery is fuel cell or lithium battery.
Further, battery insulation monitoring system further includes：Power module, the power module respectively with the insulation
Monitoring modular and main control module electrical connection, the power module is for being respectively the insulating monitoring module and the master control
Module for power supply.
Further, the main control module is electrically connected by controller local area network's CAN bus and the insulating monitoring module
It connects.
The battery insulation of vehicle provided in an embodiment of the present invention monitors system, is isolated with the vehicle body of vehicle, insulating monitoring mould
Block is used to monitor and obtain the insulation values of battery module, and main control module is used to control battery module according to the insulation values of battery module
Working condition, realize to the individual insulating monitoring of battery module and control.In the embodiment of the present invention, the battery of vehicle is exhausted
Edge monitoring system is isolated with the vehicle body of vehicle, i.e. battery insulation monitoring system is not attached to vehicle body, correspondingly, vehicle body and battery are exhausted
Edge monitoring system insulation values may be designed as be not in independently of each other vehicle body insulation and on-vehicle battery system insulation conflict with
Whether interference also leaks unrelated, greatly diminution once the relatively low situation of insulation values occurs in vehicle body with on-vehicle battery system insulation
Leakage investigation range.Vehicle provided in an embodiment of the present invention battery insulation monitoring system have it is simple in structure, facilitate installation,
The technique effect of insulation values that are at low cost and can individually monitoring battery module in real time.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing does one and simply introduces, it should be apparent that, drawings in the following description are some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of schematic diagram of the battery insulation monitoring system of vehicle provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of the battery insulation monitoring system of vehicle provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, hereinafter with reference to attached in the embodiment of the present invention
Figure, technical scheme of the present invention is clearly and completely described by embodiment, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Refering to what is shown in Fig. 1, for a kind of schematic diagram of the battery insulation monitoring system of vehicle provided in an embodiment of the present invention.This
The battery insulation monitoring system for the vehicle that embodiment provides is isolated with the vehicle body of vehicle, and battery insulation monitoring system includes：Electricity
Pond module 10, insulating monitoring module 20 and main control module 30；Insulating monitoring module 20 is electrically connected with battery module 10, insulating monitoring
Module 20 is used to monitor and obtain the insulation values of battery module 10, main control module 30 respectively with insulating monitoring module 20 and battery mould
Block 10 is electrically connected, and main control module 30 is used to receive the insulation values of the battery module 10 of the transmission of insulating monitoring module 20 and according to battery
The working condition of the insulation values control battery module 10 of module 10.
In the present embodiment, the battery insulation monitoring system of vehicle is isolated with the vehicle body of vehicle, i.e., battery insulation monitors system
It is not attached to vehicle body, correspondingly, the insulation values of vehicle body and battery insulation monitoring system may be designed as independently of each other, be not in vehicle
Body insulate and the conflict and interference of on-vehicle battery system insulation.According to national standard the insulation values of battery module can be designed as compared with
The insulation values of low insulation value, vehicle body are designed as higher insulation values, once then there is the relatively low situation of insulation values in vehicle body, also with it is vehicle-mounted
It is unrelated whether battery system insulation leaks, and greatly reduces leakage investigation range.
In the present embodiment, battery module 10 is the power source of vehicle.Insulating monitoring module 20 is electrically connected with battery module 10
To carry out insulating monitoring to battery module 10, specifically, insulating monitoring module 20 is electrically connected with battery module 10 to obtain battery
The insulation values of module 10.It should be noted that the insulation values of battery module 10 are specifically chosen as the insulation resistance of battery module 10.
In the present embodiment, main control module 30 is electrically connected with insulating monitoring module 20 and battery module 10 respectively, main control module
The safe insulation threshold value that battery module 10 is in corresponding when safe range is previously stored in 30, then main control module 30 is receiving
It is exhausted by the insulation values and safety that compare battery module 10 after the insulation values of the battery module 10 transmitted to insulating monitoring module 20
Edge threshold value, can determine whether out whether battery module 10 leaks, and then control the working condition of battery module 10.Specifically, main
Control module 30 detects that the insulation values of battery module 10 are less than or equal to safe insulation threshold value, and judgement battery module 10 occurs electrically
Leakage is that battery module 10 is in non-security working condition, then main control module 30 controls battery module 10 and is adjusted to trouble free service shape
State.Main control module 30 detects that the insulation values of battery module 10 are more than safe insulation threshold value, and judgement battery module 10 does not occur
Electric leakage, that is, battery module 10 is in safe work state, then main control module 30 controls battery module 10 and keeps safe work
Make state.
The battery insulation monitoring system of vehicle provided in this embodiment is isolated with the vehicle body of vehicle, and insulating monitoring module is used for
The insulation values of battery module are monitored and obtain, main control module is used to control the work of battery module according to the insulation values of battery module
State is realized to the individual insulating monitoring of battery module and control.In the present embodiment, the battery insulation of vehicle monitors system
It is isolated with the vehicle body of vehicle, i.e. battery insulation monitoring system is not attached to vehicle body, correspondingly, vehicle body and battery insulation monitor system
Insulation values may be designed as be not in independently of each other vehicle body insulation and on-vehicle battery system insulation conflict and interference, once
There is the relatively low situation of insulation values in vehicle body, also whether leaked with on-vehicle battery system insulation it is unrelated, greatly reduce leakage row
Look into range.The battery insulation monitoring system of vehicle provided in this embodiment have it is simple in structure, facilitate installation, be at low cost and can
The technique effect of the insulation values of battery module is individually monitored in real time.
Optionally, as shown in Fig. 2, battery module 10 includes direct current transducer 11 and power battery 12, direct current transducer 11
It is electrically connected with power battery 12, direct current transducer 11 is isolated with vehicle body.In the present embodiment, the input terminal of direct current transducer 11 with it is dynamic
Power battery 12 is electrically connected, and the output end of direct current transducer 11 is electrically connected with other power/drive modules in vehicle, direct current conversion
Device 11 is used to the high-voltage signal of power battery 12 being converted to the voltage signal needed for other power/drive modules, then power electric
Pond 12 can be powered to other power plant modules in vehicle to realize the normal operation of vehicle by direct current transducer 11.This implementation
In example, the output end of direct current transducer 11 is isolated with vehicle body to be not attached to, then battery insulation monitoring system is not attached to vehicle body, is kept away
Exempt from vehicle body insulation and the conflict of on-vehicle battery system insulation and interference problem, also reduces leakage when vehicle body insulation values exception
Investigate range.
Optionally, power battery 12 includes that anode and cathode, insulating monitoring module 20 pass through the anode with power battery 12
It is electrically connected with cathode to obtain the insulation values of battery module 10.The anode and negative electricity of insulating monitoring module 20 and power battery 12
Connection, then be able to detect that the insulation resistance of power battery 12 to obtain the insulation values of battery module 10.
Optionally, power battery 12 is fuel cell or lithium battery.Fuel cell is a kind of chemical possessed by fuel
The chemical devices of electric energy can be directly changed into, energy conversion efficiency is high；In addition, fuel cell carries out electricity using fuel and oxygen
It can convert, it is energy saving and environmentally friendly.It by lithium metal or lithium alloy is negative material, using non-aqueous electrolytic solution that lithium battery, which is a kind of,
Battery, the safety of lithium battery, specific capacity, self-discharge rate and performance and price are relatively reasonable, are existing common on-vehicle batteries
Type.
Optionally, as shown in Fig. 2, battery insulation monitoring system further includes：Power module 40, power module 40 respectively with absolutely
Edge monitoring modular 20 and main control module 30 are electrically connected, and power module 40 is for being respectively insulating monitoring module 20 and main control module 30
Power supply.It is provided in this battery insulation monitoring system to the power module of insulating monitoring module 20 and the power supply of main control module 30
40, so that insulating monitoring module 20 and main control module 30 work normally.Optional power module 40 uses 24V power supplys, optional power supply
Module 40 is low tension battery.
Optionally, as shown in Fig. 2, main control module 30 passes through controller local area network's CAN bus and insulating monitoring module 20
Electrical connection.CAN bus is communicated based on CAN bus agreement, and CAN bus agreement is a kind of serial communication association applied in real time
View.CAN bus agreement is used for the communication between various different elements in automobile, and cheap and harness is less, can transmit
The serial data communication of real-time integrality, the advantage with real-time support, transmission rate height and excellent error detecing capability.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (6)
1. a kind of battery insulation of vehicle monitors system, which is characterized in that the battery insulation monitoring system and the vehicle
Vehicle body is isolated, and the battery insulation monitoring system includes：Battery module, insulating monitoring module and main control module；
The insulating monitoring module is electrically connected with the battery module, and the insulating monitoring module is for monitoring and obtaining the electricity
The insulation values of pond module, the main control module are electrically connected with the insulating monitoring module and the battery module respectively, the master
Control module is used to receive the insulation values of the battery module of the insulating monitoring module transfer and according to the battery module
Insulation values control the working condition of the battery module.
2. battery insulation according to claim 1 monitors system, which is characterized in that the battery module includes direct current conversion
Device and power battery, the direct current transducer are electrically connected with the power battery, and the direct current transducer is isolated with the vehicle body.
3. battery insulation according to claim 2 monitors system, which is characterized in that the power battery includes positive and negative
Pole, the insulating monitoring module are electrically connected by the anode and cathode with the power battery to obtain the exhausted of the battery module
Edge value.
4. battery insulation according to claim 2 monitors system, which is characterized in that the power battery be fuel cell or
Lithium battery.
5. battery insulation according to claim 1 monitors system, which is characterized in that further include：Power module, the power supply
Module is electrically connected with the insulating monitoring module and the main control module respectively, and the power module is for being respectively the insulation
Monitoring modular and main control module power supply.
6. battery insulation according to claim 1 monitors system, which is characterized in that the main control module is by controlling general ability
Domain network C AN buses are electrically connected with the insulating monitoring module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398355.9A CN108318828A (en) | 2018-04-28 | 2018-04-28 | A kind of battery insulation monitoring system of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398355.9A CN108318828A (en) | 2018-04-28 | 2018-04-28 | A kind of battery insulation monitoring system of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108318828A true CN108318828A (en) | 2018-07-24 |
Family
ID=62894843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810398355.9A Pending CN108318828A (en) | 2018-04-28 | 2018-04-28 | A kind of battery insulation monitoring system of vehicle |
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| CN (1) | CN108318828A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273971A1 (en) * | 2021-06-30 | 2023-01-05 | 中国第一汽车股份有限公司 | Battery pack leakage detection method and apparatus, electronic device, and storage medium |
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| CN207114697U (en) * | 2017-06-20 | 2018-03-16 | 联合汽车电子有限公司 | High-tension battery Insulation Inspection System |
| CN107817431A (en) * | 2016-09-13 | 2018-03-20 | 北汽福田汽车股份有限公司 | The high-voltage isulation detecting system and fuel-cell vehicle of fuel-cell vehicle |
| CN208721775U (en) * | 2018-04-28 | 2019-04-09 | 苏州弗尔赛能源科技股份有限公司 | A kind of battery insulation monitoring system of vehicle |
-
2018
- 2018-04-28 CN CN201810398355.9A patent/CN108318828A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202614852U (en) * | 2012-05-09 | 2012-12-19 | 深圳市航盛电子股份有限公司 | Power cell insulation detecting system |
| CN203902307U (en) * | 2014-05-23 | 2014-10-29 | 北汽福田汽车股份有限公司 | Electromobile high-voltage-insulating safety protection system and electromobile with same |
| CN206287836U (en) * | 2016-08-25 | 2017-06-30 | 北京汽车股份有限公司 | The high-voltage safety monitoring system of electric automobile |
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| CN206505154U (en) * | 2017-01-13 | 2017-09-19 | 厦门金龙旅行车有限公司 | A kind of new pure electric coach insulation state monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273971A1 (en) * | 2021-06-30 | 2023-01-05 | 中国第一汽车股份有限公司 | Battery pack leakage detection method and apparatus, electronic device, and storage medium |
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