CN207719838U - Battery charge/discharge protection circuit - Google Patents
Battery charge/discharge protection circuit Download PDFInfo
- Publication number
- CN207719838U CN207719838U CN201721741630.XU CN201721741630U CN207719838U CN 207719838 U CN207719838 U CN 207719838U CN 201721741630 U CN201721741630 U CN 201721741630U CN 207719838 U CN207719838 U CN 207719838U
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- Prior art keywords
- electronic switch
- charge
- voltage
- discharge
- single battery
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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)
Abstract
The utility model provides a kind of battery charge/discharge protection circuit, including single battery, charge and discharge electrical interface, switch unit and detecting unit；Switch unit is connected between the anode of single battery and the first end of charge and discharge electrical interface；One end of detecting unit is connected between the first end and switch unit of charge and discharge electrical interface to detect the voltage of single battery and control the conducting and cut-off of switch unit；When single battery is in charged state, if the voltage of single battery is more than the first predeterminated voltage, detecting unit sends out control signal to control switch unit；When single battery is in discharge condition, if the voltage of single battery is less than the second predeterminated voltage, detecting unit sends out control signal with the electric connection between single battery and charge and discharge electrical interface that controls switch unit.Battery charge/discharge protection circuit provided by the utility model can prevent single battery from overcharging or putting excessively and battery charge/discharge protection circuit circuit structure is simple, and response speed is very fast.
Description
【Technical field】
The utility model is related to battery charging and discharging technical field more particularly to a kind of battery charge/discharge protection circuits.
【Background technology】
Support energetically with country to new-energy automobile, battery be widely used in electric vehicle, energy-storage system, not between
The fields such as power-off source (UPS) and balance car.With the increase of use scope, the security risk of battery is slowly exposed, wherein
The protection of battery charging and discharging is most important, for example, over-charging of battery will lead to battery leakage, battery is crossed to put cannot restore to make again
With therefore, over-charging of battery or crossing and put and can all single battery be caused to be lost, the serious accidents such as can set off an explosion occur.
In consideration of it, it is really necessary to provide a kind of battery charge/discharge protection circuit to overcome drawbacks described above.
【Utility model content】
The purpose of this utility model is to provide that a kind of circuit structure is simple and the battery charging and discharging protection electricity of response speed block
Road.
To achieve the goals above, the utility model provides a kind of battery charge/discharge protection circuit, including single battery with
Charge and discharge electrical interface；The single battery includes positive electrode and negative electrode and carries out charge or discharge by the charge and discharge electrical interface；Institute
It further includes switch unit and detecting unit to state battery charge/discharge protection circuit；The switch unit is connected to the single battery
It is positive between the first end of the charge and discharge electrical interface, connect with the charge and discharge for establishing or disconnecting the single battery
Electric connection between mouthful；One end of the detecting unit is connected to the first end of the charge and discharge electrical interface and the switch unit
Between to detect the voltage of the single battery and control the conducting and cut-off of the switch unit；When the single battery is in
When charged state, if the voltage of the single battery be more than the first predeterminated voltage, the detecting unit send out control signal with
It controls the switch unit and disconnects electric connection between the single battery and the charge and discharge electrical interface；When the single battery
When in discharge condition, if the voltage of the single battery is less than the second predeterminated voltage, the detecting unit sends out control letter
Number disconnect electric connection between the single battery and the charge and discharge electrical interface to control the switch unit.
In a preferred embodiment, the control signal is low level signal, and first predeterminated voltage is more than
Second predeterminated voltage.
In a preferred embodiment, the switch unit includes the first electronic switch and the second electronic switch；It is described
The first end of first electronic switch is connected with the detecting unit, and second end and the charge and discharge of first electronic switch connect
The first end of mouth is connected, and the third end of first electronic switch is connected with the third end of second electronic switch；Described
The first end of two electronic switches is connected with the detecting unit, second end and the single battery of second electronic switch
Anode is connected.
In a preferred embodiment, the first end, second end of first electronic switch and third end correspond to N respectively
Grid, source electrode and the drain electrode of type metal-oxide-semiconductor；First end, second end and the third end of second electronic switch correspond to N-type respectively
Grid, source electrode and the drain electrode of metal-oxide-semiconductor.
In a preferred embodiment, first electronic switch further includes the first diode, first diode
Anode be connected with the second end of first electronic switch, and the cathode of first diode and first electronic switch
Third end be connected；Second electronic switch further includes the second diode, the anode of second diode and described second
The second end of electronic switch is connected, and the cathode of second diode is connected with the third end of second electronic switch.
In a preferred embodiment, the detecting unit includes first resistor, second resistance, 3rd resistor, the 4th
Resistance, first comparator, the second comparator and first voltage source；The charge and discharge electrical interface；First end pass sequentially through it is described
First resistor and second resistance ground connection；The first end of the charge and discharge electrical interface also passes sequentially through the 3rd resistor and described
4th resistance eutral grounding；The in-phase input end of the first comparator is connected with the first voltage source, the first comparator
Inverting input is connected between the first resistor and the second resistance, the output end of the first comparator respectively with institute
The first end of the first end and second electronic switch of stating the first electronic switch is connected；The anti-phase input of second comparator
End is connected with the first voltage source, the in-phase input end of second comparator is connected to the 3rd resistor and the described 4th
Between resistance, the output end of second comparator respectively with the first end of first electronic switch and second electronic cutting
The first end of pass is connected.
In a preferred embodiment, the detecting unit further includes the 5th resistance, the output of the first comparator
End and second comparator output end also by the 5th resistance respectively with the first end of first electronic switch and
The first end of second electronic switch is connected.
In a preferred embodiment, the switch unit further includes the first voltage-stabiliser tube and the second voltage-stabiliser tube；Described
The cathode of one voltage-stabiliser tube is connected with the first end of first electronic switch and the anode of first voltage-stabiliser tube and described first
The second end of electronic switch is connected；The cathode of second voltage-stabiliser tube is connected and described with the first end of second electronic switch
The anode of second voltage-stabiliser tube is connected with the second end of second electronic switch.
In a preferred embodiment, the switch unit further includes the 6th resistance and the 7th resistance；6th electricity
One end of resistance is connected with the first end of first electronic switch and the other end of the 6th resistance and first electronic cutting
The second end of pass is connected；One end of 7th resistance is connected with the first end of second electronic switch and the 7th resistance
The other end be connected with the second end of second electronic switch.
Battery charge/discharge protection circuit provided by the utility model when the single battery is in charged state, and is worked as
When charging voltage is more than first predeterminated voltage, the detecting unit output control signal, to stop as the single battery
Charging；When the single battery is in discharge condition, and when charging voltage is less than second predeterminated voltage, the detecting
Unit output control signal, to prevent the single battery from continuing to discharge, and then realizes and carries out charge and discharge to single battery
Protection, and the battery charge/discharge protection circuit circuit structure is simple, response speed is very fast.
【Description of the drawings】
Fig. 1 is the functional block diagram for the battery charge/discharge protection circuit that the utility model preferred embodiment provides.
Fig. 2 is the circuit diagram for the battery charge/discharge protection circuit that the utility model preferred embodiment provides.
【Specific implementation mode】
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, ordinary skill personage is without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It should not be understood as indicating or imply relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more this feature.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Referring to Fig. 1, the principle frame of its battery charge/discharge protection circuit 100 provided for the utility model preferred embodiment
Figure.The battery charge/discharge protection circuit 100 includes that single battery 10, charge and discharge electrical interface 20, switch unit 30 and detecting are single
Member 40.The single battery 10 includes positive electrode and negative electrode and carries out charge or discharge by the charge and discharge electrical interface 20.It can be with
Understand, when the single battery 10 charges, the charge and discharge electrical interface 20 is connected with charger (not shown)；When monomer electricity
When pond 10 is discharged, the charge and discharge electrical interface 20 is connected with load (not shown).
The switch unit 30 be connected to the single battery 10 anode and the first end of the charge and discharge electrical interface 20 it
Between, for establishing or disconnecting the electric connection between the single battery 10 and the charge and discharge electrical interface 20.The detecting is single
One end of member 40 is connected between the first end and the switch unit 30 of the charge and discharge electrical interface 20 to detect the monomer electricity
The voltage in pond 10 and the conducting and cut-off for controlling the switch unit 30.The second end of the charge and discharge electrical interface 20 and the monomer
The cathode of battery 10 is grounded.
When the single battery 10 is in charged state, if the voltage of the single battery 10 is more than the first default electricity
Pressure, then the detecting unit 40 sends out control signal to control the disconnection of the switch unit 30, and then disconnects the single battery
Electric connection between 10 and the charge and discharge electrical interface 20；If the voltage of the single battery 10 is no more than the described first default electricity
Pressure, the then stopping of the detecting unit 40 send out control signal, the conducting of the switch unit 30 with establish the single battery 10 with
Electric connection between the charge and discharge electrical interface 20, at this point, the charger can be described by the charge and discharge electrical interface 20
Single battery 10 charges.
When the single battery 10 is in discharge condition, if the voltage of the single battery 10 is less than the second default electricity
Pressure, then the detecting unit 40 sends out control signal and disconnects the single battery 10 to control the switch unit 30 fills with described
Electric connection between electric discharge interface 20；If the voltage of the single battery 10 is not less than the second predeterminated voltage, the detecting
The stopping of unit 40 sends out the control signal, and the switch unit 30 is connected to establish the single battery 10 and the charge and discharge
Electric connection between interface 20, at this point, the single battery 10 can be supplied by the charge and discharge electrical interface 20 for the load
Electricity.In the present embodiment, the control signal is low level signal, and first predeterminated voltage is more than the described second default electricity
Pressure.Specifically, first predeterminated voltage is 3.8V, and second predeterminated voltage is 2.5V.It is appreciated that described first is default
Voltage and second predeterminated voltage can be adjusted according to the difference of the type of the single battery 10.
Referring again to Fig. 2, for the circuit original for the battery charge/discharge protection circuit that the utility model preferred embodiment provides
Reason figure.The switch unit 30 includes the first electronic switch Q1 and the second electronic switch Q2.The of the first electronic switch Q1
One end is connected with the detecting unit 40, the first end of the second end and the charge and discharge electrical interface 20 of the first electronic switch Q1
It is connected, the third end of the first electronic switch Q1 is connected with the third end of the second electronic switch Q2.Second electronics
The first end of switch Q2 is connected with the detecting unit 40, second end and the single battery 10 of the second electronic switch Q2
Anode be connected, the third end of the second electronic switch Q2 is connected with the third end of the first electronic switch Q1.In this reality
It applies in mode, first end, second end and the third end of the first electronic switch Q1 correspond to the grid of N-type metal-oxide-semiconductor, source electrode respectively
With drain electrode.First end, second end and the third end of the second electronic switch Q2 correspond to respectively the grid of N-type metal-oxide-semiconductor, source electrode with
Drain electrode.
Further, the first electronic switch Q1 further includes the first diode D1, the anode of the first diode D1
It is connected with the second end of the first electronic switch Q1, the cathode of the first diode D1 is with the first electronic switch Q1's
Third end is connected.The second electronic switch Q2 further includes the second diode D2, the anode of the second diode D2 with it is described
The second end of second electronic switch Q2 is connected, the third end of the cathode of the second diode D2 and the second electronic switch Q2
It is connected.
The detecting unit 40 includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the first ratio
Compared with device U1, the second comparator U2 and first voltage source VCC1.The first end of the charge and discharge electrical interface 20 passes sequentially through described
One resistance R1 and second resistance R2 ground connection；The first end of the charge and discharge electrical interface 20 also passes sequentially through the 3rd resistor R3
And the 4th resistance R4 ground connection；The in-phase input end of the first comparator U1 is connected with the first voltage source VCC1, described
The inverting input of one comparator U1 is connected between the first resistor R1 and the second resistance R2, the first comparator
The output end of U1 is connected with the first end of the first end of the first electronic switch Q1 and the second electronic switch Q2 respectively；Institute
The inverting input for stating the second comparator U2 is connected with the first voltage source VCC1, the homophase input of the second comparator U2
End be connected between the 3rd resistor R3 and the 4th resistance R4, the output end of the second comparator U2 respectively with it is described
The first end of first electronic switch Q1 and the first end of the second electronic switch Q2 are connected.In the present embodiment, described
One voltage source VCC1 is used to export the voltage of 1.5V.
Further, the detecting unit 40 further includes the 5th resistance R5, the output end of the first comparator U1 and institute
State the output end of the second comparator U2 also by the 5th resistance R5 respectively with the first end of the first electronic switch Q1 and
The first end of the second electronic switch Q2 is connected.
In addition, the switch unit 30 further includes the first voltage-stabiliser tube Z1 and the second voltage-stabiliser tube Z2；The first voltage-stabiliser tube Z1
Cathode be connected with the first end of the first electronic switch Q1 and the anode of the first voltage-stabiliser tube Z1 and first electronics
The second end of switch Q1 is connected；The cathode of the second voltage-stabiliser tube Z2 is connected with the first end of the second electronic switch Q2 and institute
The anode for stating the second voltage-stabiliser tube Z2 is connected with the second end of the second electronic switch Q2.The first voltage-stabiliser tube Z1 and second is steady
Pressure pipe Z2 is respectively used to protect the first electronic switch Q1 and the second electronic switch Q2 to prevent first electronic cutting
It is breakdown to close Q1 and the second electronic switch Q2.
Still further, the switch unit 30 further includes the 6th resistance R6 and the 7th resistance R7；The one of 6th resistance R6
End is connected with the first end of the first electronic switch Q1 and the other end of the 6th resistance R6 and first electronic switch
The second end of Q1 is connected；One end of 7th resistance R7 is connected with the first end of the second electronic switch Q2 and the 7th resistance
The other end of R7 is connected with the second end of the second electronic switch Q2.The 6th resistance R6 and the 7th resistance R7 is for distinguishing
To the first electronic switch Q1 and the second electronic switch Q2 aerial drainages, to improve the first electronic switch Q1 and described
The response speed of two electronic switch Q2.
The operation principle of the battery charge/discharge protection circuit 100 is as follows：
If the single battery 10 is in charged state, when the voltage of single battery 10 is less than or equal to the described first default electricity
When pressure, the first comparator U1 and the second comparator U2 export high level signal (stopping output control signal), into
And make the first electronic switch Q1 and the second electronic switch Q2 conductings, at this point it is possible to be normally the single battery
10 chargings；When the detecting unit 40 detect the single battery 10 voltage be more than first predeterminated voltage when, also that is,
When partial pressure on the second resistance R2 is more than the voltage of first voltage source VCC1 outputs, the first comparator U1 outputs
Low level signal (control signal), and then the first electronic switch Q1 and the second electronic switch Q2 cut-offs are controlled, to
The electric connection between the single battery 10 and the charge and discharge electrical interface 20 is disconnected, at this point, charge and discharge electrical interface 10 stops as institute
The charging of single battery 10 is stated, and then can prevent the single battery 10 from overcharging.
If the single battery 10 is in discharge condition, when the voltage of single battery 10 is more than or equal to the described second default electricity
When pressure, the first comparator U1 and the second comparator U2 export high level signal (stopping output control signal), into
And make the first electronic switch Q1 and the second electronic switch Q2 conductings, at this point, single battery 10 can regular picture；When
When the voltage that the detecting unit 40 detects the single battery 10 is less than the second voltage, also that is, the 4th resistance
When partial pressure on R4 is less than the voltage of first voltage source VCC1 outputs, the second comparator U2 exports low level signal
(control signal), and then the first electronic switch Q1 and the second electronic switch Q2 cut-offs are controlled, and then disconnect the list
Electric connection between body battery 10 and the charge and discharge electrical interface 20, at this point, the single battery 10 stops electric discharge, and then can
It prevents from the single battery 10 from crossing to put.It is appreciated that in circuit design, it can be according to the first different predeterminated voltages and second
Predeterminated voltage adjusts the resistance value of each resistance so that single battery 10 overcharge either cross when putting first comparator U1 or
Second comparator U2 can export low level signal in time.
Battery charge/discharge protection circuit 100 provided by the utility model, when the single battery 10 is in charged state
When, and when charging voltage is more than first predeterminated voltage, the output control signal of the detecting unit 40, to stop being described
Single battery 10 charges；When the single battery 10 is in discharge condition, and when charging voltage is less than the described second default electricity
When pressure, the output control signal of the detecting unit 40 to prevent the single battery 10 from continuing to discharge, and then is realized to monomer
Battery 10 carries out the protection of charge and discharge, and 100 circuit structure of the battery charge/discharge protection circuit is simple, and response speed is very fast.
The utility model is not only in the description and the implementation described, therefore for the personnel of familiar field
For other advantage and modification is easily implemented, therefore without departing substantially from universal defined by claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representative equipment and shown here as with retouch
The diagram example stated.
Claims (9)
1. a kind of battery charge/discharge protection circuit, including single battery and charge and discharge electrical interface；The single battery include anode with
Cathode simultaneously carries out charge or discharge by the charge and discharge electrical interface；It is characterized in that：The battery charge/discharge protection circuit is also
Including switch unit and detecting unit；The switch unit is connected to the anode of the single battery and the charge and discharge electrical interface
First end between, for establishing or disconnecting the electric connection between the single battery and the charge and discharge electrical interface；It is described
One end of detecting unit is connected between the first end and the switch unit of the charge and discharge electrical interface to detect the monomer electricity
The voltage in pond and the conducting and cut-off for controlling the switch unit；When the single battery is in charged state, if the list
The voltage of body battery is more than the first predeterminated voltage, then the detecting unit sends out control signal and disconnected with controlling the switch unit
Electric connection between the single battery and the charge and discharge electrical interface；When the single battery is in discharge condition, if institute
The voltage for stating single battery is less than the second predeterminated voltage, then the detecting unit sends out control signal to control the switch unit
Disconnect the electric connection between the single battery and the charge and discharge electrical interface.
2. battery charge/discharge protection circuit as described in claim 1, it is characterised in that：The control signal is believed for low level
Number, and first predeterminated voltage is more than second predeterminated voltage.
3. battery charge/discharge protection circuit as described in claim 1, it is characterised in that：The switch unit includes the first electronics
Switch and the second electronic switch；The first end of first electronic switch is connected with the detecting unit, first electronic cutting
The second end of pass is connected with the first end of the charge and discharge electrical interface, the third end of first electronic switch and second electronics
The third end of switch is connected；The first end of second electronic switch is connected with the detecting unit, second electronic switch
Second end be connected with the anode of the single battery.
4. battery charge/discharge protection circuit as claimed in claim 3, it is characterised in that：The first of first electronic switch
End, second end and third end correspond to the grid, source electrode and drain electrode of N-type metal-oxide-semiconductor respectively；The first end of second electronic switch,
Second end and third end correspond to the grid, source electrode and drain electrode of N-type metal-oxide-semiconductor respectively.
5. battery charge/discharge protection circuit as claimed in claim 3, it is characterised in that：First electronic switch further includes
One diode, the anode of first diode are connected with the second end of first electronic switch, and first diode
Cathode be connected with the third end of first electronic switch；Second electronic switch further includes the second diode, and described
The anode of two diodes is connected with the second end of second electronic switch, and the cathode of second diode and described second
The third end of electronic switch is connected.
6. battery charge/discharge protection circuit as claimed in claim 5, it is characterised in that：The detecting unit includes the first electricity
Resistance, second resistance, 3rd resistor, the 4th resistance, first comparator, the second comparator and first voltage source；The charge and discharge
Interface；First end pass sequentially through the first resistor and the second resistance ground connection；The first end of the charge and discharge electrical interface is also
Pass sequentially through the 3rd resistor and the 4th resistance eutral grounding；The in-phase input end of the first comparator and first electricity
Potential source is connected, and the inverting input of the first comparator is connected between the first resistor and the second resistance, described
The output end of first comparator respectively with the first end of first electronic switch and the first end phase of second electronic switch
Even；The inverting input of second comparator is connected with the first voltage source, the in-phase input end of second comparator
Be connected between the 3rd resistor and the 4th resistance, the output end of second comparator respectively with first electronics
The first end of switch and the first end of second electronic switch are connected.
7. battery charge/discharge protection circuit as claimed in claim 6, it is characterised in that：The detecting unit further includes the 5th electricity
Resistance, the output end of the output end of the first comparator and second comparator also by the 5th resistance respectively with it is described
The first end of first electronic switch and the first end of second electronic switch are connected.
8. battery charge/discharge protection circuit as claimed in claim 3, it is characterised in that：The switch unit further includes first steady
Pressure pipe and the second voltage-stabiliser tube；The cathode of first voltage-stabiliser tube is connected and described first with the first end of first electronic switch
The anode of voltage-stabiliser tube is connected with the second end of first electronic switch；The cathode of second voltage-stabiliser tube and second electronics
The first end of switch is connected and the anode of second voltage-stabiliser tube is connected with the second end of second electronic switch.
9. battery charge/discharge protection circuit as claimed in claim 8, it is characterised in that：The switch unit further includes the 6th electricity
Resistance and the 7th resistance；One end of 6th resistance is connected with the first end of first electronic switch and the 6th resistance
The other end is connected with the second end of first electronic switch；The of one end of 7th resistance and second electronic switch
One end is connected and the other end of the 7th resistance is connected with the second end of second electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741630.XU CN207719838U (en) | 2017-12-13 | 2017-12-13 | Battery charge/discharge protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741630.XU CN207719838U (en) | 2017-12-13 | 2017-12-13 | Battery charge/discharge protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207719838U true CN207719838U (en) | 2018-08-10 |
Family
ID=63055713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721741630.XU Active CN207719838U (en) | 2017-12-13 | 2017-12-13 | Battery charge/discharge protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207719838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690992A (en) * | 2021-09-16 | 2021-11-23 | 苏州馥昶空间技术有限公司 | Discharge protection device and discharge system |
-
2017
- 2017-12-13 CN CN201721741630.XU patent/CN207719838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690992A (en) * | 2021-09-16 | 2021-11-23 | 苏州馥昶空间技术有限公司 | Discharge protection device and discharge system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191015 Address after: 518000 Shenyu Science and Technology Park, No. 68 Lanjingbei Road, Laokeng Community, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province, 101 Patentee after: Shenzhen Anding New Energy Technology Development Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Pingshan Pingshan Zhu Keng industrial zone 3, 4 Building Community Patentee before: Shenzhen Optimum Battery Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 518000 3C, building 5, qiaochengfang, 4080 Qiaoxiang Road, Gaofa community, Shahe street, Nanshan District, Shenzhen, Guangdong Patentee after: Baolixin (Shenzhen) new energy technology development Co.,Ltd. Address before: 518000 workshop 101, No. 3, Shenyu science and Technology Park, No. 68, Lanjing North Road, Laokeng community, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Anding New Energy Technology Development Co.,Ltd. |
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Effective date of registration: 20220129 Address after: 710065 room 10701, building 6, No. 65, Keji Second Road, high tech Zone, Xi'an, Shaanxi Province Patentee after: Baoli New Energy Technology Co.,Ltd. Address before: 518000 3C, building 5, qiaochengfang, 4080 Qiaoxiang Road, Gaofa community, Shahe street, Nanshan District, Shenzhen, Guangdong Patentee before: Baolixin (Shenzhen) new energy technology development Co.,Ltd. |
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