CN208207167U - A kind of detection device of new energy car battery - Google Patents
A kind of detection device of new energy car battery Download PDFInfo
- Publication number
- CN208207167U CN208207167U CN201820385412.5U CN201820385412U CN208207167U CN 208207167 U CN208207167 U CN 208207167U CN 201820385412 U CN201820385412 U CN 201820385412U CN 208207167 U CN208207167 U CN 208207167U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- battery
- operational amplifier
- separately connected
- 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.)
- Expired - Fee Related
Links
Landscapes
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
A kind of detection device of the new energy car battery of the utility model, including bandwidth-limited circuit, window comparator circuit, battery status indicating circuit, bandwidth-limited circuit connects window comparator circuit, window comparator circuit connects battery status indicating circuit, and effective solution is current to carry out the battery condition detection problem that structure is complicated, cost is high, display is not intuitive enough using multi-energy controller.The utility model structure is simple, intuitively shows, it is easy to promote and utilize, signal frequency ingredient of the bandwidth-limited circuit for only signal detection sensor H1 being allowed to detect passes through, inhibit the extraneous frequency signal of useless interference, two threshold voltages of inverting input terminal with non-inverting input terminal for being sent to dual comparator in window comparator circuit later are compared, high and low level is exported to battery status indicating circuit, intuitively indicates that the normal condition of battery and red indicating light LED2 intuitively indicate the abnormal condition of battery with green indicator light LED1.
Description
Technical field
The utility model relates to the detection technique field of battery, especially a kind of detection device of new energy car battery.
Background technique
New-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid vehicle, fuel battery electric vapour
Vehicle, hydrogen engine automobile, other new-energy automobiles etc., wherein pure electric automobile is widely popularized since discharge amount of exhaust gas is very low,
It is a kind of automobile using single battery as stored energy power source, it passes through electricity using battery as stored energy power source
Pond provides electric energy, drive motor operating, to push running car to motor.
The state-detection of battery includes charged state (SOC) and health status (SOH), however current SOC value is logical
It crosses CAN bus and is sent to multi-energy controller, and determined by certain logical algorithm, such method is accurate and effective, energy
Display state design parameter, but structure is complicated, cost is high, display is not intuitive enough.
Therefore the utility model provides a kind of new scheme to solve the problems, such as this.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of detection dress of new energy car battery
It sets, effective solution is current using multi-energy controller to be carried out battery condition detection structure is complicated, cost is high, display is inadequate
Intuitive problem.
To achieve the goals above, the utility model is achieved through the following technical solutions: including bandpass filtering electricity
Road, window comparator circuit, battery status indicating circuit, which is characterized in that bandwidth-limited circuit connects window comparator circuit, window
Comparison circuit connects battery status indicating circuit；
The battery status indicating circuit includes diode D1, D2, and the anode of diode D1 is connected with diode D2 anode
The output end of operational amplifier AR2, AR3, diode D1 cathode are separately connected one end of the base stage of triode Q1, resistance R6, electricity
The other end of resistance R6 connects power supply+12V with the collector of triode Q1, and the cathode of diode D2 is separately connected the base of triode Q2
Pole, resistance R7 one end, the other end of resistance R7 connects power supply -12V, the emitter of triode Q1 with the collector of triode Q1
It is separately connected one end of resistance R8, one end of resistance R9 with the emitter of triode Q2, the other end connection green of resistance R8 refers to
Show that the anode of lamp LED1, the cathode of green indicator light LED1 connect ground, the other end connection red indicating light LED2's of resistance R9
Cathode, the anode connection ground of red indicating light LED2.
Preferably, the bandwidth-limited circuit includes electrolytic capacitor C1, and the cathode of electrolytic capacitor C1 connects ground, electrolytic capacitor
The anode of C1 is separately connected the output end of one end of resistance R1, signal detection sensor H1, and the other end of resistance R1 is separately connected
The inverting input terminal of operational amplifier AR1, one end of resistance R2, electrolytic capacitor C2 cathode, electrolytic capacitor C2 anode respectively
The other end of resistance R2, the output end of operational amplifier AR1 are connected, the non-inverting input terminal of operational amplifier AR1 is connected with the end GND
Ground.
Preferably, the window comparator circuit includes operational amplifier AR2, AR3, the homophase input of operational amplifier AR3
End is separately connected one end of one end of resistance R5, resistance R4, and the other end of resistance R4 is separately connected the same phase of operational amplifier AR2
One end of input terminal, resistance R3, the other end of resistance R3 connect ground, and the other end of resistance R5 connects power supply+5V, operational amplifier
The end VCC of AR3 connects power supply+5V, and the end GND of operational amplifier AR3 connects ground, the anti-phase input of operational amplifier AR2, AR3
The output end of end connection operational amplifier AR1.
The utility model structure is simple, intuitively shows, easy to promote and utilize, bandwidth-limited circuit is for only allowing signal inspection
The signal frequency ingredient for surveying sensor H1 detection passes through, and inhibits the extraneous frequency signal of useless interference, is sent to window ratio later
Inverting input terminal compared with dual comparator in circuit is compared with two threshold voltages of non-inverting input terminal, is exported high and low level and is arrived
Battery status indicating circuit intuitively indicates that the normal condition of battery and red indicating light LED2 are intuitive with green indicator light LED1
Indicate the abnormal condition of battery.
Detailed description of the invention
Fig. 1 is the utility model circuit connection module map.
Fig. 2 is the utility model circuit connection schematic diagram.
Specific embodiment
For aforementioned and other technology contents, feature and effect in relation to the utility model, following cooperation with reference to figures 1 through
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, a kind of detection device of new energy car battery, bandwidth-limited circuit is for only allowing signal detection
The signal frequency ingredient of sensor H1 detection passes through, and inhibits the extraneous frequency signal of useless interference, is sent to window later and compares
Two threshold voltages of the inverting input terminal with non-inverting input terminal of dual comparator are compared in circuit, export high and low level to electricity
Pond condition indication circuit intuitively indicates that the normal condition of battery and red indicating light LED2 intuitively refer to green indicator light LED1
Show the abnormal condition of battery；The battery status indicating circuit intuitively indicated with indicator light the normal condition of battery with it is non-
Normal condition, including diode D1, D2, when the normal condition of battery, that is, dual comparator output high level, this high level warp
Diode D1 is added to the base stage of triode Q1, resistance R6 is biasing resistor, triode Q1 conducting, power supply+12V, triode Q1
Collector junction, resistance R8, green indicator light LED1, constitute the circuit of current flowing, green indicator light LED1 is bright, when battery
When abnormal condition, that is, dual comparator output low level, this low level is added to the base stage of triode Q2 through diode D2, and resistance R7 is
Biasing resistor, triode Q2 conducting, ground red indicating light LED2, resistance R9, the collector junction of triode Q2, power supply -12V constitute electricity
The circuit of circulation, red indicating light LED2 are bright.
Embodiment two, on the basis of example 1, the bandwidth-limited circuit is for only allowing signal detection sensor
The signal frequency ingredient of H1 detection passes through, and inhibits the extraneous frequency signal of useless interference, and signal detection sensor H1 includes electricity
Pressure, electric current, temperature signal sensor and battery capacity, insulating signal sensor, including electrolytic capacitor C1, electrolytic capacitor C1's is negative
Pole connection ground, the anode of electrolytic capacitor C1 are separately connected the output end of one end of resistance R1, signal detection sensor H1, resistance R1
The other end be separately connected the inverting input terminal of operational amplifier AR1, one end of resistance R2, electrolytic capacitor C2 cathode, electrolysis
The anode of capacitor C2 is separately connected the output end of the other end of resistance R2, operational amplifier AR1, the same phase of operational amplifier AR1
Input terminal connects ground, the power end connection+12V of operational amplifier AR1 with the ground terminal of operational amplifier AR1.
Embodiment three, on the basis of example 1, the window comparator circuit are detected sensor using dual comparator
Accumulator status information be compared with two threshold voltages (high threshold voltage, low threshold voltage), when sensor information height
Dual comparator exports high level when low threshold voltage is lower than high threshold voltage, otherwise when sensor information is higher than high threshold voltage
Or dual comparator exports low level when being lower than low threshold voltage, operational amplifier AR2, AR3 including forming dual comparator, operation
The non-inverting input terminal of amplifier AR3 is threshold voltage end, is provided by the bleeder circuit that resistance R5, resistance R4, resistance R3 are formed, fortune
The end VCC for calculating amplifier AR3 connects power supply+5V, and the end GND of operational amplifier AR3 connects ground, operational amplifier AR2, AR3's
The output end of inverting input terminal connection operational amplifier AR1.
The utility model carry out using when, signal detection sensor H1 include voltage, electric current, temperature signal sensing
Device and battery capacity, insulating signal sensor, the accumulator status information that will test are put through electrolytic capacitor C1, resistance R1, operation
The bandwidth-limited circuit frequency-selecting of big device AR1, resistance R2, electrolytic capacitor C2 composition, inhibit the extraneous frequency signal of useless interference
Afterwards, the inverting input terminal of operational amplifier AR2, AR3 of composition dual comparator, the homophase input of operational amplifier AR3 are sent to
End is threshold voltage end, is provided by the bleeder circuit that resistance R5, resistance R4, resistance R3 are formed, when sensor information is higher than low threshold
Threshold voltage and dual comparator exports high level when being lower than high threshold voltage, this high level is added to the base of triode Q1 through diode D1
Pole, triode Q1 conducting, power supply+12V, the collector junction of triode Q1, resistance R8, green indicator light LED1, constitute electric current stream
Logical circuit, green indicator light LED1 is bright, and battery is in normal condition, on the contrary when sensor information be higher than high threshold voltage or
Dual comparator exports low level when lower than low threshold voltage, this low level is added to the base stage of triode Q2, three poles through diode D2
Pipe Q2 conducting, ground, red indicating light LED2, resistance R9, the collector junction of triode Q2, power supply -12V constitute returning for current flowing
Road, red indicating light LED2 is bright, the intuitive abnormal condition for indicating battery.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (4)
1. a kind of detection device of new energy car battery, including the instruction of bandwidth-limited circuit, window comparator circuit, battery status
Circuit, which is characterized in that bandwidth-limited circuit connects window comparator circuit, and window comparator circuit connects battery status instruction electricity
Road；
The battery status indicating circuit includes diode D1, D2, and the anode of diode D1 connects operation with diode D2 anode
The output end of amplifier AR2, AR3, diode D1 cathode are separately connected one end of the base stage of triode Q1, resistance R6, resistance R6
The other end connect power supply+12V with the collector of triode Q1, the cathode of diode D2 be separately connected triode Q2 base stage,
One end of resistance R7, the other end of resistance R7 connect power supply -12V with the collector of triode Q1, the emitter of triode Q1 and
The emitter of triode Q2 is separately connected one end of one end of resistance R8, resistance R9, the other end connection green instruction of resistance R8
The anode of lamp LED1, the cathode of green indicator light LED1 connect ground, and the other end connection red indicating light LED2's of resistance R9 is negative
Pole, the anode connection ground of red indicating light LED2.
2. a kind of detection device of new energy car battery according to claim 1, which is characterized in that the bandpass filtering
Circuit includes electrolytic capacitor C1, and the cathode of electrolytic capacitor C1 connects ground, and the anode of electrolytic capacitor C1 is separately connected the one of resistance R1
End, signal detection sensor H1 output end, the other end of resistance R1 be separately connected operational amplifier AR1 inverting input terminal,
One end of resistance R2, electrolytic capacitor C2 cathode, the anode of electrolytic capacitor C2 is separately connected the other end of resistance R2, operation amplifier
The non-inverting input terminal of the output end of device AR1, operational amplifier AR1 connects ground with the end GND.
3. a kind of detection device of new energy car battery according to claim 1, which is characterized in that the window compares
Circuit includes operational amplifier AR2, AR3, and the non-inverting input terminal of operational amplifier AR3 is separately connected one end of resistance R5, resistance
One end of R4, the other end of resistance R4 are separately connected one end of the non-inverting input terminal of operational amplifier AR2, resistance R3, resistance R3
The other end connect ground, the other end of resistance R5 connects power supply+5V, and the end VCC of operational amplifier AR3 connects power supply+5V, operation
The end GND of amplifier AR3 connects ground, the output of the inverting input terminal connection operational amplifier AR1 of operational amplifier AR2, AR3
End.
4. a kind of detection device of new energy car battery according to claim 2, which is characterized in that the signal detection
Sensor H1 includes voltage, electric current, temperature signal sensor and battery capacity, insulating signal sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385412.5U CN208207167U (en) | 2018-03-21 | 2018-03-21 | A kind of detection device of new energy car battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385412.5U CN208207167U (en) | 2018-03-21 | 2018-03-21 | A kind of detection device of new energy car battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208207167U true CN208207167U (en) | 2018-12-07 |
Family
ID=64527326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820385412.5U Expired - Fee Related CN208207167U (en) | 2018-03-21 | 2018-03-21 | A kind of detection device of new energy car battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208207167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505537A (en) * | 2020-04-24 | 2020-08-07 | 上海电气集团股份有限公司 | Detection circuit for wiring sequence of lithium ion battery pack |
-
2018
- 2018-03-21 CN CN201820385412.5U patent/CN208207167U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505537A (en) * | 2020-04-24 | 2020-08-07 | 上海电气集团股份有限公司 | Detection circuit for wiring sequence of lithium ion battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203381507U (en) | Novel energy storage device for vehicle starting | |
| CN202330559U (en) | Automobile insulating resistor detecting circuit | |
| CN104742799A (en) | LED steering lamp control circuit and control method thereof | |
| CN109596888B (en) | Insulation resistance detection method and detection circuit of automobile battery and battery management system | |
| CN203164300U (en) | Insulation-resistance detection system for insulation performance detection of electric automobile | |
| CN204110303U (en) | A kind of speed control unit of Electrical Bicycle | |
| CN208035987U (en) | Low pressure accessory power supply detection device and charging pile | |
| CN108569212A (en) | A kind of fault diagnosis reponse system of automobile LED car light | |
| CN208207167U (en) | A kind of detection device of new energy car battery | |
| CN108657088A (en) | For the high voltage distribution box of electric vehicle, electric control system and electric vehicle | |
| CN209342877U (en) | New energy car battery packet relay adhesion detection circuit and system | |
| CN212658351U (en) | High-safety segmented control type balance car motor temperature detection circuit system | |
| CN109799443A (en) | A kind of adaptive insulation detecting method of distribution capacity based on electric vehicle | |
| CN109017425A (en) | New energy electric motor vehicle charging control circuit | |
| CN202928657U (en) | Automatic alarming device for over-low liquid level of automobile storage battery electrolyte | |
| CN208902855U (en) | Low-speed electronic vehicle lithium battery detection circuit | |
| CN207638631U (en) | A kind of IGBT protection circuit | |
| CN205970835U (en) | Alarm device is not closed to car fuel tank cap | |
| CN109484298A (en) | A kind of turn signal working condition and fault monitoring system | |
| CN201134480Y (en) | Alarm for liquid level detection of accumulator's electrolyte | |
| CN208682769U (en) | Vehicle electricity system | |
| CN209581136U (en) | A kind of SCM Based group refueling intelligent reminding device | |
| CN104079023B (en) | A kind of charging indicator light control circuit and charger | |
| CN208738906U (en) | A kind of device safely and fast discharging automobile super capacitance mesohigh electricity | |
| CN202770972U (en) | Information detection system for intelligent charger ahead of charging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: Room 710, 701-712, juoyue Times Square building, No. 4068, Yitian Road, Futian community, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Lvting Power Technology Co.,Ltd. Address before: 100080 Dongsheng science and Technology Park, Zhongguancun, No. 66, xixiaokou Road, Haidian District, Beijing. B301, 3 / F, block B, floor B-6, Northern Territory Patentee before: ZHONG NENG DONG DAO GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |