CN208158157U - A kind of CC2 trigger-type BMS power source active circuit - Google Patents
A kind of CC2 trigger-type BMS power source active circuit Download PDFInfo
- Publication number
- CN208158157U CN208158157U CN201820444304.0U CN201820444304U CN208158157U CN 208158157 U CN208158157 U CN 208158157U CN 201820444304 U CN201820444304 U CN 201820444304U CN 208158157 U CN208158157 U CN 208158157U
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- circuit
- trigger
- battery pack
- resistance
- switch
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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 CC2 trigger-type BMS power source active circuit, including：Charging gun, the charging gun are the port that charging pile connects new-energy automobile charging；The charging gun include one for identification with the first switch circuit of junior circuit connection；Trigger circuit, the input terminal of the trigger circuit with the output end of first switch circuit by being electrically connected, and for the trigger circuit in first switch closing of circuit, trigger circuit trigger output voltage gives junior's circuit；The output end of second switch circuit, the circuit and trigger circuit connects, and switching circuit is in trigger circuit trigger output voltage, to control being opened or closed 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 field more particularly to a kind of CC2 trigger-type BMS power source actives
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, CC2 easy to use touching
Hairdo BMS power source active circuit.
The technical solution of the utility model is as follows：A kind of CC2 trigger-type BMS power source active circuit, including：
Charging gun, the charging gun are the port that charging pile connects new-energy automobile charging；The charging gun is used for including one
The first switch circuit of identification and junior's circuit connection；
Trigger circuit, the input terminal of the trigger circuit with the output end of first switch circuit by being electrically connected, the touching
For Power Generation Road in first switch closing of circuit, trigger circuit trigger output voltage gives junior's circuit；
The output end of second switch circuit, the circuit and trigger circuit connects, and switching circuit is exported in trigger circuit and touched
When power generation pressure, to control being opened or closed for junior's circuit；
MCU module, the module are used to detect the voltage signal of first switch circuit output end, and are detecting voltage signal
Output control signal makes the self-locking conducting of second switch circuit afterwards；
Battery pack, the battery pack include the first battery pack, the second battery pack；First battery pack is trigger circuit, the
Two switching circuits, MCU module provide operating voltage；First battery pack leading by second switch circuit with the second battery pack
Lead to be connected to.
Preferably, the first switch circuit includes first resistor, first switch；One end of the first resistor is grounded,
Other end is connected through the input terminal of first switch and trigger circuit.
Preferably, the trigger circuit include first capacitor, second resistance, 3rd resistor, the 4th resistance first diode,
Comparator；One end of the second resistance is connect with first switch, the input terminal of MCU module, 3rd resistor one end, second resistance
The other end connect with the first battery pack；The other end of the 3rd resistor and one end of first capacitor connect, first capacitor
The other end is connect with an input terminal of one end of the 4th resistance, one end of first diode, comparator, the 4th resistance it is another
It holds, the other end of first diode connect with another input terminal of comparator, and is grounded.
Preferably, the second switch circuit includes the first field-effect tube, the second field-effect tube, the 5th resistance, the 6th electricity
Resistance；The grid of first field-effect is connect with the output end of MCU module output end, comparator, the source electrode of the first field-effect tube
Ground connection, the drain electrode of the first field-effect tube is through the grid of the 5th resistance and the second field-effect tube, the source electrode of the second field-effect tube and the
The connection of two battery packs, the drain electrode of the second field-effect tube are connect with the first battery pack, and the 6th resistance is connected to the second field-effect
Between the grid and drain electrode of pipe.
Preferably, first battery pack is set as vehicle-mounted aluminic acid battery, and second battery pack is set as BMS power supply.
Using the above scheme, the utility model has the beneficial effects that：
The utility model is when first switch is closed, the charging port connection of charging gun and new-energy automobile, while first
The current potential of the common end of resistance and second resistance is pulled low, and first capacitor is discharged through 3rd resistor, the input terminal of comparator
Voltage increases, comparator work, and exports the voltage signal of high level；The input terminal of MCU module is detecting the first electricity simultaneously
When resistance and the current potential of the common end of second resistance, output end output controls voltage signal, at this time the first field-effect tube, second effect
It should pipe ON operation；Second battery pack is activated, and the second battery pack is charged by external charging gun；And first battery pack
It is connected to the second battery pack；
When first switch disconnects, and the first appearance voltage, when being discharged, comparator input terminal voltage reduces, and comparator stops
Work；The first field-effect tube, the second field-effect tube are held on when MCU module exports control voltage simultaneously；When the second battery
When group is full of through the battery capacity of external charging rifle, second should pipe source voltage increase, while the second field-effect tube end,
First battery pack and the second battery pack disconnect.Such circuit design is conducive to understand charging gun and new-energy automobile fills charging end
The connection of mouth, in addition avoids in charging complete, the electricity in the first battery pack is consumed by the first battery pack；Therefore this reality
With novel simple, energy conservation and environmental protection, beneficial effect easy to use with circuit design.
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 CC2 trigger-type BMS power source active circuit, including：
Charging gun, the charging gun are the port that charging pile connects new-energy automobile charging；The charging gun is used for including one
The first switch circuit 1 of identification and junior's circuit connection；
Trigger circuit 3, the input terminal of the trigger circuit 3 are described by being electrically connected with the output end of first switch circuit 1
For trigger circuit 3 when first switch circuit 1 is closed, 3 trigger output voltage of trigger circuit gives junior's circuit；
Second switch circuit 4, the circuit are connect with the output end of trigger circuit 3, and switching circuit is exported in trigger circuit 3
When trigger voltage, to control being opened or closed for junior's circuit；
MCU module 6, which is used to detect the voltage signal of 1 output end of first switch circuit, and is detecting voltage letter
Output control signal makes the self-locking conducting of second switch circuit 4 after number；
Battery pack, the battery pack include the first battery pack 2, the second battery pack 5；First battery pack 2 is trigger circuit
3, second switch circuit 4, MCU module 6 provide operating voltage；First battery pack 2 and the second battery pack 5 pass through second switch
The conducting of circuit 4 is connected to.
The first switch circuit 1 includes first resistor CC2, first switch S1；A termination of the first resistor CC2
Ground, other end are connect through first switch S1 with the input terminal of trigger circuit 3.
The trigger circuit 3 includes first capacitor C1, second resistance R1,3rd resistor R2, the one or two pole the 4th resistance R3
Pipe D1, comparator U1；One end of the second resistance R1 and first switch S1, the input terminal of MCU module 6,3rd resistor R2 mono-
End connection, the other end of second resistance R1 are connect with the first battery pack 2；The other end and first capacitor C1 of the 3rd resistor R2
One end connection, the other end of first capacitor C1 and one end of the 4th resistance R3, one end of first diode D1, comparator U1
The connection of one input terminal, the other end of the 4th resistance R3, first diode D1 the other end with another input terminal of comparator U1
Connection, and be grounded.
The second switch circuit 4 includes the first field-effect tube Q1, the second field-effect tube Q2, the 5th resistance R5, the 6th electricity
Hinder R4；The grid of first field-effect is connect with the output end of 6 output end of MCU module, comparator U1, the first field-effect tube Q1
Source electrode ground connection, grid of the drain electrode of the first field-effect tube Q1 through the 5th resistance R5 and the second field-effect tube Q2, the second field-effect
The source electrode of pipe Q2 is connect with the second battery pack 5, and the drain electrode of the second field-effect tube Q2 is connect with the first battery pack 2, the 6th electricity
Resistance R4 is connected between the grid and drain electrode of the second field-effect tube Q2.
First battery pack 2 is set as vehicle-mounted aluminic acid battery, and second battery pack 5 is set as BMS power supply.
Embodiment：
As shown in Figure 1, the utility model, when first switch S1 is closed, the charging port of charging gun and new-energy automobile connects
It connects, while first resistor CC2 and the current potential of the common end of second resistance R1 are pulled low, first capacitor C1 is carried out through 3rd resistor R2
The input terminal voltage of electric discharge, comparator U1 increases, comparator U1 work, and exports the voltage signal of high level；MCU module simultaneously
6 input terminal is when detecting the current potential of common end of first resistor CC2 and second resistance R1, output end output control voltage letter
Number, the first field-effect tube Q1, the second field-effect tube Q2 ON operation at this time；Second battery pack 5 is activated, and the second battery pack 5 is logical
External charging gun is crossed to charge；And first battery pack 2 be connected to the second battery pack 5；
When first switch S1 is disconnected, and the first appearance voltage, when being discharged, comparator U1 input terminal voltage reduces, comparator
U1 stops working；The first field-effect tube Q1, the second field-effect tube Q2 keep leading when MCU module 6 exports control voltage simultaneously
It is logical；When the second battery pack 5 is full of through the battery capacity of external charging rifle, second should the source voltage of pipe increase, while the
Two field-effect tube Q2 cut-off, the first battery pack 2 and the second battery pack 5 disconnect.Such circuit design is conducive to understand charging gun
The connection of charging port is filled with new-energy automobile, is in addition avoided in charging complete, and the electricity in the first battery pack 2 is by
The consumption of one battery pack 2；Therefore the utility model has that circuit design is simple, 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 CC2 trigger-type BMS power source active circuit, which is characterized in that including：
Charging gun, the charging gun are the port that charging pile connects new-energy automobile charging；The charging gun includes one for identification
With the first switch circuit of junior circuit connection；
Trigger circuit, the input terminal of the trigger circuit and the output end of first switch circuit are electrically connected, and the trigger circuit exists
When first switch closing of circuit, trigger circuit trigger output voltage gives junior's circuit；
The output end of second switch circuit, the circuit and trigger circuit connects, and switching circuit exports triggering electricity in trigger circuit
When pressure, to control being opened or closed for junior's circuit；
MCU module, the module are used to detect the voltage signal of first switch circuit output end, and defeated after detecting voltage signal
Control signal makes the self-locking conducting of second switch circuit out；
Battery pack, the battery pack include the first battery pack, the second battery pack；First battery pack is trigger circuit, second opens
Powered-down road, MCU module provide operating voltage；First battery pack and the second battery pack by the conducting of second switch circuit come
It is connected to.
2. CC2 trigger-type BMS power source active circuit according to claim 1, which is characterized in that the first switch circuit
Including first resistor, first switch；One end of the first resistor is grounded, and other end is defeated through first switch and trigger circuit
Enter end connection.
3. CC2 trigger-type BMS power source active circuit according to claim 2, which is characterized in that the trigger circuit includes
First capacitor, second resistance, 3rd resistor, the 4th resistance first diode, comparator；One end of the second resistance and first
Switch, the input terminal of MCU module, the connection of 3rd resistor one end, the other end of second resistance are connect with the first battery pack；Described
The other end of three resistance and one end of first capacitor connect, one end, the one or two pole of the other end of first capacitor and the 4th resistance
The one input terminal connection of one end of pipe, comparator, the other end of the 4th resistance, first diode the other end with comparator
Another input terminal connection, and be grounded.
4. CC2 trigger-type BMS power source active circuit according to claim 3, which is characterized in that the second switch circuit
Including the first field-effect tube, the second field-effect tube, the 5th resistance, the 6th resistance；The grid and MCU module of first field-effect
The output end connection of output end, comparator, the source electrode ground connection of the first field-effect tube, the drain electrode of the first field-effect tube is through the 5th resistance
With the grid of the second field-effect tube, the source electrode of the second field-effect tube is connect with the second battery pack, the drain electrode of the second field-effect tube with
The connection of first battery pack, the 6th resistance are connected between the grid and drain electrode of the second field-effect tube.
5. CC2 trigger-type BMS power source active circuit according to claim 4, which is characterized in that first battery pack is set
For vehicle-mounted aluminic acid battery, second battery pack is set as BMS power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444304.0U CN208158157U (en) | 2018-03-30 | 2018-03-30 | A kind of CC2 trigger-type BMS power source active circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444304.0U CN208158157U (en) | 2018-03-30 | 2018-03-30 | A kind of CC2 trigger-type BMS power source active circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158157U true CN208158157U (en) | 2018-11-27 |
Family
ID=64380890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820444304.0U Expired - Fee Related CN208158157U (en) | 2018-03-30 | 2018-03-30 | A kind of CC2 trigger-type BMS power source active circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158157U (en) |
-
2018
- 2018-03-30 CN CN201820444304.0U patent/CN208158157U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20181127 Termination date: 20210330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |