CN208149103U - A kind of trigger-type BMS power supply system active circuit - Google Patents
A kind of trigger-type BMS power supply system active circuit Download PDFInfo
- Publication number
- CN208149103U CN208149103U CN201820463066.8U CN201820463066U CN208149103U CN 208149103 U CN208149103 U CN 208149103U CN 201820463066 U CN201820463066 U CN 201820463066U CN 208149103 U CN208149103 U CN 208149103U
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- circuit
- trigger
- resistance
- battery pack
- capacitor
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of trigger-type BMS power supply system active circuit, including：Charging gun, the charging gun are the port that charging pile connects new-energy automobile charging；Detection circuit, the detection circuit are used to detect whether charging gun is connected to junior circuit；The input terminal of trigger circuit, the trigger circuit is electrically connected by detection circuit and the control terminal of charging gun, and for the trigger circuit when the control terminal of charging gun exports electric signal, trigger circuit trigger output voltage gives junior's circuit；The output end of switching circuit, the circuit and trigger circuit connects, and switching circuit is in trigger circuit trigger output voltage, to control closing or opening for junior's circuit.The utility model has the advantages that circuit design simple, energy conservation and environmental protection, easy to use, and has extensive production and application value in new-energy automobile charging technique field.
Description
Technical field
The utility model relates to new-energy automobile charging technique fields more particularly to a kind of trigger-type BMS power supply system to swash
Live circuit.
Background technique
New-energy automobile is regarded as the 21 century most potential vehicles, it has also become every country is new in the world
Dote on, gone to research and develop to put into a large amount of time and efforts, to expect to stand in the commanding elevation of industry development, to seize market.
Wherein using trickle charge charge mode function as one of new-energy automobile critical function, at the very start by engineer and Ke
The favor of scholars.In China according to People's Republic of China's electric car conduction chargeable connection device (i.e. middle charging socket
Contact arrangement mode；It can be in the case where BMS power supply system be fully charged, if do not pulled out in time using this charging modes
Charging socket contact will be such that the vehicle-mounted aluminic acid battery with vehicle-mounted is exhausted by BMS power supply system.
Summary of the invention
For the above, the utility model provides that a kind of circuit design is simple, energy conservation and environmental protection, trigger-type easy to use
BMS power supply system active circuit.
The technical solution of the utility model is as follows：A kind of trigger-type BMS power supply system active circuit, including：
Charging gun, the charging gun are the port that charging pile connects new-energy automobile charging；
Detection circuit, the detection circuit are used to detect whether charging gun is connected to junior circuit；
The input terminal of trigger circuit, the trigger circuit is electrically connected by detection circuit and the control terminal of charging gun, described
For trigger circuit when the control terminal of charging gun exports electric signal, trigger circuit trigger output voltage gives junior's circuit；
The output end of switching circuit, the circuit and trigger circuit connects, and switching circuit exports triggering electricity in trigger circuit
When pressure, to control closing or opening for junior's circuit；
Battery pack, the described battery pack include the first battery pack, the second battery pack；First battery pack, the second battery
Group closing or opening by switching circuit, to be connected to or be disconnected.
Preferably, the detection circuit includes first diode, first capacitor, first resistor, second resistance, third electricity
Resistance, first switch；The first diode, first capacitor one end be all connected with one end of charging gun, the first diode other end
Connect with one end of first resistor, second resistance, first capacitor, the other end of first resistor are grounded, second resistance it is another
One end and one end of 3rd resistor connect, the other end ground connection of 3rd resistor；The both ends of the first switch parallel connection 3rd resistor,
The first switch is set as logic switch.
Preferably, the trigger circuit includes the second capacitor, the 4th resistance, the 5th resistance, third capacitor, the two or two pole
Pipe, comparator；One end of 4th resistance and one end of second resistance connect, the other end of the 4th resistance and the second capacitor
One end connection, the other end of the second capacitor and one end of the 5th resistance, one end of third capacitor, one end of the second diode, ratio
An input terminal compared with device connects, the other end of the 5th resistance, the other end of third capacitor, the second diode, the other end with
Another input terminal of comparator connects, and is grounded.
Preferably, the switching circuit includes the first field-effect tube, the second field-effect tube, the 6th resistance, the 7th resistance；Institute
The output end of the grid and comparator of stating the first field-effect connects, the source electrode ground connection of the first field-effect tube, the first field-effect tube
Drain the grid through the 6th resistance and the second field-effect tube, and the source electrode of the second field-effect tube is connect with the second battery pack, and second
The drain electrode of effect pipe is connect with the first battery pack, and the 7th resistance is connected between the grid and drain electrode of the second field-effect tube.
Preferably, first battery pack is set as vehicle-mounted aluminic acid battery, and second battery pack is set as BMS power supply system.
Using the above scheme, the utility model has the beneficial effects that：
When the control terminal of the charging gun of the utility model is connect with detection circuit, first switch is closed, at this time detection circuit
Anti- routed signal informs that charging pile is connect with the charging port of new-energy automobile, while charging pile to the control terminal of charging gun
DC12V voltage is exported by the control terminal of charging gun；The second capacitor, third capacitor fast charging in trigger circuit, second
When capacitor, third capacitance voltage are full of, third capacitor starts to discharge through the 5th resistance loop, comparator work, and exports
Trigger voltage；The first field-effect tube, the conducting of the second field-effect tube, the trigger voltage of comparator activate the second battery pack simultaneously, and
Second battery pack is connect with the first battery pack, while the second battery pack is activated, the charged rifle output of external charging pile
End exports DC220V voltage and charges to the second battery pack；
The control terminal output duty cycle pulse voltage of charging gun simultaneously, when the voltage on third capacitor exhausts, comparator
It stops working, while the first field-effect tube, the second field-effect tube are ended, the first battery pack and the second battery pack disconnect；It is such
Circuit design is conducive to understand charging gun and new-energy automobile fills the connection of charging port, in addition avoids in charging complete
When, the electricity in the first battery pack is consumed by the first battery pack；Because a little the utility model have, circuit design is simple, energy-saving ring
It protects, beneficial effect easy to use.
Detailed description of the invention
Fig. 1 is the overall structure schematic diagram of the utility model.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Shown in referring to Fig.1, the utility model provides a kind of trigger-type BMS power supply system active circuit, including：
Charging gun 1, the charging gun 1 are the port that charging pile connects new-energy automobile charging；
Detection circuit 6, the detection circuit 6 are used to detect whether charging gun 1 is connected to junior circuit；
The input terminal of trigger circuit 5, the trigger circuit 5 is electrically connected by detection circuit 6 and the control terminal of charging gun 1,
For the trigger circuit 5 when the control terminal of charging gun 1 exports electric signal, 5 trigger output voltage of trigger circuit gives junior's circuit；
Switching circuit 3, the circuit are connect with the output end of trigger circuit 5, and switching circuit 3 is exported in trigger circuit 5 and touched
When power generation pressure, to control closing or opening for junior's circuit；
Battery pack, the described battery pack include the first battery pack 2, the second battery pack 4；First battery pack, 2, second electricity
The the closing or opening by switching circuit 3 of pond group 4, to be connected to or be disconnected.
The detection circuit 6 include first diode D1, first capacitor C2, first resistor, second resistance, 3rd resistor,
First switch；The first diode D1, first capacitor C2 one end be all connected with one end of charging gun 1, first diode D1 is another
One end is connect with one end of first resistor R1, second resistance R6, first capacitor C2, first resistor R1 other end be grounded,
The other end of second resistance R6 is connect with one end of 3rd resistor R7, the other end ground connection of 3rd resistor R7；The first switch
The both ends of 3rd resistor R7 in parallel, the first switch are set as logic switch.
The trigger circuit 5 includes the second capacitor C1, the 4th resistance R2, the 5th resistance R3, third capacitor C3, the two or two pole
Pipe D2, comparator U1；One end of the 4th resistance R2 is connect with one end of second resistance R6, the other end of the 4th resistance R2 with
One end of second capacitor C1 connects, one end of the other end of the second capacitor C1 and the 5th resistance R3, one end of third capacitor C3, the
The one input terminal connection of one end of two diode D2, comparator U1, the other end of the 5th resistance R3, third capacitor C3 it is another
End, the second diode D2, the other end is connect with another input terminal of comparator U1, and be grounded.
The switching circuit 3 includes the first field-effect tube Q1, the second field-effect tube Q2, the 6th resistance R5, the 7th resistance R4；
The grid of first field-effect is connect with the output end of comparator U1, the source electrode ground connection of the first field-effect tube Q1, first effect
Should pipe Q1 grid of the drain electrode through the 6th resistance R5 and the second field-effect tube Q 2, the source electrode of the second field-effect tube Q2 and second electricity
Pond group 4 connects, and the drain electrode of the second field-effect tube Q2 is connect with the first battery pack 2, and the 7th resistance R4 is connected to second effect
It should be between the grid and drain electrode of pipe Q2.
First battery pack 2 is set as vehicle-mounted aluminic acid battery, and second battery pack 4 is set as BMS power supply system.
Embodiment：
Shown in referring to Fig.1, when the control terminal of the charging gun 1 of the utility model is connect with detection circuit 6, first switch is closed
Close, the anti-routed signal of detection circuit 6 is to the control terminal of charging gun 1 at this time, inform charging pile with the charging port of new-energy automobile
In connection, while charging pile exports DC12V voltage by the control terminal of charging gun 1；The second capacitor C1 in trigger circuit 5,
Three capacitor C3 quick charges, when the second capacitor C1, third capacitor C3 voltage are full of, third capacitor C3 starts through the 5th resistance R3
Circuit is discharged, comparator U1 work, and trigger output voltage；The first field-effect tube Q1, the second field-effect tube Q2 are led simultaneously
Logical, the trigger voltage of comparator U1 activates the second battery pack 4, and the second battery pack 4 is connect with the first battery pack 2, in the second electricity
While pond group 4 is activated, charged 1 output end of rifle of external charging pile exports DC220V voltage and charges to the second battery pack 4；
The control terminal output duty cycle pulse voltage of charging gun 1 compares when the voltage on third capacitor C3 exhausts simultaneously
Device U1 stops working, while the first field-effect tube Q1, the second field-effect tube Q2 end, and the first battery pack 2 and the second battery pack 4 are disconnected
It opens；Such circuit design is conducive to understand charging gun 1 and new-energy automobile fills the connection of charging port, in addition avoids
When charging complete, the electricity in the first battery pack 2 is consumed by the first battery pack 2；Because a little the utility model have circuit design letter
List, energy conservation and environmental protection, beneficial effect easy to use.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (5)
1. a kind of trigger-type BMS power supply system active circuit, which is characterized in that including：
Charging gun, the charging gun are the port that charging pile connects new-energy automobile charging；
Detection circuit, the detection circuit are used to detect whether charging gun is connected to junior circuit；
The input terminal of trigger circuit, the trigger circuit is electrically connected by detection circuit and the control terminal of charging gun, the triggering
For circuit when the control terminal of charging gun exports electric signal, trigger circuit trigger output voltage gives junior's circuit；
The output end of switching circuit, the circuit and trigger circuit connects, and switching circuit is in trigger circuit trigger output voltage,
To control closing or opening for junior's circuit；
Battery pack, the battery pack include the first battery pack, the second battery pack；First battery pack, the second battery pack are logical
Cross the closing or opening to be powered or power off of switching circuit.
2. trigger-type BMS power supply system active circuit according to claim 1, which is characterized in that the detection circuit packet
Include first diode, first capacitor, first resistor, second resistance, 3rd resistor, first switch；The first diode, first
One end of capacitor is all connected with one end of charging gun, and the first diode other end is connect with one end of first resistor, second resistance, the
One capacitor, first resistor other end be grounded, one end of the other end of second resistance and 3rd resistor connects, 3rd resistor
The other end ground connection；The both ends of the first switch parallel connection 3rd resistor, the first switch are set as logic switch.
3. trigger-type BMS power supply system active circuit according to claim 2, which is characterized in that the trigger circuit packet
Include the second capacitor, the 4th resistance, the 5th resistance, third capacitor, the second diode, comparator；One end of 4th resistance with
One end of second resistance connects, and the other end of the 4th resistance is connect with one end of the second capacitor, the other end of the second capacitor and the
The one input terminal connection of one end, one end of third capacitor, one end of the second diode, comparator of five resistance, the 5th resistance
The other end, the other end of third capacitor, the second diode, the other end is connect with another input terminal of comparator, and connect
Ground.
4. trigger-type BMS power supply system active circuit according to claim 3, which is characterized in that the switching circuit packet
Include the first field-effect tube, the second field-effect tube, the 6th resistance, the 7th resistance；The grid of first field-effect and comparator
Output end connection, the source electrode ground connection of the first field-effect tube, the drain electrode of the first field-effect tube is through the 6th resistance and the second field-effect tube
Grid, the source electrode of the second field-effect tube connect with the second battery pack, and the drain electrode of the second field-effect tube is connect with the first battery pack,
7th resistance is connected between the grid and drain electrode of the second field-effect tube.
5. trigger-type BMS power supply system active circuit according to claim 4, which is characterized in that first battery pack
It is set as vehicle-mounted aluminic acid battery, second battery pack is set as BMS power supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463066.8U CN208149103U (en) | 2018-03-30 | 2018-03-30 | A kind of trigger-type BMS power supply system active circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463066.8U CN208149103U (en) | 2018-03-30 | 2018-03-30 | A kind of trigger-type BMS power supply system active circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208149103U true CN208149103U (en) | 2018-11-27 |
Family
ID=64381144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820463066.8U Expired - Fee Related CN208149103U (en) | 2018-03-30 | 2018-03-30 | A kind of trigger-type BMS power supply system active circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208149103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564889A (en) * | 2020-06-30 | 2020-08-21 | 无锡睿勤科技有限公司 | Circuit for preventing battery assembly from live operation |
-
2018
- 2018-03-30 CN CN201820463066.8U patent/CN208149103U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564889A (en) * | 2020-06-30 | 2020-08-21 | 无锡睿勤科技有限公司 | Circuit for preventing battery assembly from live operation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20210330 |