CN104821575B - A kind of anti-wrong output circuit of series battery - Google Patents
A kind of anti-wrong output circuit of series battery Download PDFInfo
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- CN104821575B CN104821575B CN201510256656.4A CN201510256656A CN104821575B CN 104821575 B CN104821575 B CN 104821575B CN 201510256656 A CN201510256656 A CN 201510256656A CN 104821575 B CN104821575 B CN 104821575B
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Abstract
The invention discloses a kind of anti-wrong output circuit of series battery, including：Battery sampling circuit, sampling control circuit and output compensating circuit；Battery sampling circuit is used to acquire the voltage of every batteries anode in a battery pack and exports to sampling control circuit, wherein, to be connected in series between battery in battery pack, sampling control circuit compares the voltage of two adjacent sections anode, when the voltage of later section anode is more than the voltage of previous batteries anode, then output voltage is to battery sampling circuit, making its output voltage, output compensating circuit is exported by the way that the voltage received from battery sampling circuit is added with an auxiliary voltage to output compensating circuit.The advantage of the invention is that：From the angle of circuit design, solve battery pack single battery voltage sample line wrong, reversal connection and caused by burn out circuit board, the problems such as electric leakage of battery pack, while increase compensation circuit, make battery voltage sampling output consistent with actual value.
Description
Technical field
The present invention relates to a kind of anti-wrong output circuits applied to series battery
Background technology
Now in terms of battery pack production and application, the problem of string due to battery pack, with the increase of battery string formation number, electricity more
Pond group voltage acquisition line increases therewith, in this way caused by wrong line probability increase, for such a problem, often lead to circuit
Plate is burnt out, electric leakage of battery pack and so on, this problem is handled, there are many methods：
1. with sampling line of the wire rod difference of different colours per batteries
2. indicate that gathering line wants corresponding battery number on circuit board or shell
3. according to the position per batteries, it is specified that the length of corresponding voltage sample line, prevents wrong
4. starting with from structure, battery pack wrong is prevented, battery pack is anti-inserted, and such as row's needle of battery voltage gathering line, row is female
Structure is anti-reverse
The anti-reverse diode 5. often section sampling line is connected
Several methods above, although avoiding the wrong of batteries monomer battery voltage gathering line, reversal connection problem,
It is not to rest on technique level, is exactly battery voltage sampling inaccuracy, handles the problem at all not from design level, behind
Still the carelessness of personnel is had, problems occur after extended meeting.
Invention content
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of anti-wrong output electricity of series battery
Road from the angle of circuit design, solves battery pack single battery voltage sample line wrong, reversal connection and caused by burn out circuit
The problems such as plate, electric leakage of battery pack.
To solve the above problems, the technical solution adopted in the present invention is as follows：
A kind of anti-wrong output circuit of series battery, including：Battery sampling circuit, sampling control circuit and output compensation
Circuit；The battery sampling circuit includes the sub- battery sampling circuit identical with the number of batteries in a battery pack, the output
Compensation circuit includes the sub- output compensating circuit identical with sub- battery sampling circuit quantity, wherein, between the battery in battery pack
To be connected in series with, battery, sub- battery sampling circuit and sub- output compensating circuit are one-to-one relationship；
Every sub- battery sampling circuit is respectively used to receive the voltage that the anode of corresponding battery is exported and outputs this to
In sampling control circuit, if also, certain sub- battery sampling circuit high level signal is received from sampling control circuit, should
Sub- battery sampling circuit output voltage signal is to corresponding sub- output compensating circuit, and otherwise, which does not export
Voltage signal is to corresponding sub- output compensating circuit；
Sampling control circuit, for corresponding two voltage of the anode of two adjacent sections battery to be compared respectively, if after
The voltage of the anode of one batteries is more than the voltage of the anode of previous batteries, then exports high level signal to latter batteries institute
Otherwise corresponding sub- battery sampling circuit exports the sub- battery sampling circuit corresponding to low level signal to latter batteries；
Every sub- output compensating circuit, for receiving voltage signal that corresponding sub- battery sampling circuit exported and one attached
Making alive signal, and the voltage signal that corresponding sub- battery sampling circuit is exported is added with auxiliary voltage signal, makes its etc.
The voltage that is exported in the anode of corresponding battery is simultaneously exported to electrical appliance.
Preferably, the sub- battery sampling circuit includes：First resistor, second resistance, 3rd resistor and triode, first
One end of resistance and one end of second resistance are first input end, and first input end is used to connect with the anode of corresponding battery,
The other end of first resistor is the first output terminal, and the other end of second resistance and the collector of triode connect, 3rd resistor
The base stage of one end and triode is the second input terminal, and the other end of 3rd resistor and the emitter of triode are the second output
End.
Preferably, between the emitter of the triode in adjacent two sub- battery sampling circuits by one first capacitance into
Row connection.
Preferably, the sampling control circuit is made of the integrated circuit of at least one model LM324, an integrated electricity
Road includes four the first operational amplifiers；
Wherein, in same first operational amplifier, in-phase end and the latter batteries institute in two adjacent sections battery
The first output terminal connection of corresponding sub- battery sampling circuit, reverse side and the previous batteries institute in two adjacent sections battery are right
First output terminal of the sub- battery sampling circuit answered connects, corresponding to the latter batteries in output terminal and two adjacent sections battery
Sub- battery sampling circuit the second input terminal connection；When the in-phase end of some the first operational amplifier and the first batteries institute are right
The reverse side ground connection of the first output terminal connection for the sub- battery sampling circuit answered, then first operational amplifier, and first fortune
The second input terminal for calculating sub- battery sampling circuit of the output terminal of amplifier corresponding to the first batteries is connect.
Preferably, the power end of the integrated circuit is connected with the output terminal of corresponding power supply circuit, the power supply circuit
Input terminal be the anode corresponding to multiple sub- battery sampling circuits corresponding with the integrated circuit, each corresponding battery
Anode of the anode respectively with a diode is connect, and the cathode of each diode is the output terminal of power supply circuit.
Preferably, the sub- output compensating circuit includes：4th resistance, the 5th resistance, the 6th resistance, the 7th resistance,
Eight resistance, second operational amplifier and the first diode, one end of the 4th resistance and one end of the 8th resistance be used to it is corresponding
The cathode connection of battery, the other end of the 4th resistance connect respectively with the reverse side of one end of the 5th resistance and second operational amplifier
It connects, the anode of the other end of the 5th resistance and the output terminal of second operational amplifier with the first diode is connect, the one or two pole
The cathode of pipe is the output terminal of output compensating circuit and is used to connect with electrical appliance, one end of the 6th resistance and corresponding sub- battery
Sample circuit second output terminal connection, one end additional electrical press bond corresponding with one of the 7th resistance, the 6th resistance it is another
The other end of one end, the other end of the 7th resistance and the 8th resistance is connect with the in-phase end of second operational amplifier.
Preferably, the circuit corresponding to additional electrical pressure side is boosted circuit, and the boosted circuit includes：It is adjustable
Resistance, the 9th resistance and the second capacitance, one end of the 9th resistance be used for the connection of the anode of corresponding battery, the 9th resistance it is another
End is connect with one end of adjustable resistance, and the other end of adjustable resistance is connected with the cathode of corresponding battery, the adjustable end of adjustable resistance
For additional electrical pressure side, one end of the second capacitance and the adjustable end of adjustable resistance connect, the other end and adjustable resistance of the second capacitance
The other end connection.
Compared with prior art, the beneficial effects of the present invention are：From the angle of circuit design, battery pack single-unit is solved
Battery voltage sampling line wrong or reversal connection and caused by the problems such as burning out circuit board and electric leakage of battery pack, while increase compensation
Circuit makes battery voltage sampling output consistent with actual value, can handle by the battery pack wrong of battery compositions more than two sections
Or reversal connection problem, play the role of protecting subsequent conditioning circuit.Moreover, the anti-wrong output circuit of the series battery can be applied to not
It is portable strong in same battery pack control program, the qualification rate of product is increased, reduces and is damaged caused by artificial wrong battery line
Bad possibility.
Description of the drawings
Fig. 1 is the battery sampling circuit structure diagram in the preferred embodiment of the present invention.
Fig. 2 is the sampling control circuit structure chart in the preferred embodiment of the present invention.
Fig. 3 is the output compensating circuit structure chart in the preferred embodiment of the present invention.
Fig. 4 is the boosted circuit structure chart in the preferred embodiment of the present invention.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the present invention is described further：
It is the anti-wrong output circuit of a kind of series battery of the invention with reference to figure 1-4, including：Battery sampling circuit is adopted
Sample control circuit and output compensating circuit composition.Battery sampling circuit includes the son electricity identical with the number of batteries in a battery pack
Pond sample circuit, output compensating circuit include the sub- output compensating circuit identical with sub- battery sampling circuit quantity, wherein, battery
To be connected in series between battery in group, battery, sub- battery sampling circuit and sub- output compensating circuit are one-to-one relationship.
Fig. 1 is the battery sampling circuit being made of four sub- battery sampling circuits, the circuit of every sub- battery sampling circuit
Structure is identical, and the circuit structure of first sub- battery sampling circuit is described below：Including resistance R1, resistance R2, resistance R3 and three
Pole pipe Q1, triode Q1 are NPN triode, and one end of resistance R1 and one end of resistance R2 are first input end B1, and first is defeated
Enter to hold B1 for corresponding anode (i.e. first segment anode), the other end of resistance R1 is the first output terminal B1_V, resistance
The other end of R2 is connect with the collector of triode Q1, and one end of resistance R3 and the base stage of triode Q1 are the second input terminal
The other end of B1_V_C, resistance R3 and the emitter of triode Q1 are second output terminal BATV_1.For other sub- batteries
Sample circuit, circuit structure is identical with the circuit structure of first sub- battery sampling circuit, specific electronic component label ginseng
Fig. 1 is examined, is not repeated one by one herein.It should be noted that B2, B3 and B4 respectively with the second batteries anode, third batteries just
Pole is connected with the 4th batteries anode.Preferably, lead between the emitter of the triode in two neighboring sub- battery sampling circuit
It crosses a capacitance to be attached, for example, triode Q1 and second sub- battery sampling circuit in first sub- battery sampling circuit
In triode Q2 between be connected with capacitance C1.
Sampling control circuit is made of the integrated circuit of at least one model LM324, which includes four
First operational amplifier, an integrated circuit can at most be connect with four sub- battery sampling circuits.Fig. 2 is an integrated circuit
U5 and be supplied to integrated circuit U5 power supply circuit structure chart, integrated circuit U5 include 14 pins, wherein, 1 foot, 7 feet,
8 feet and 14 feet connect the second input terminal B1_V_C of first sub- battery sampling circuit, second sub- battery sampling circuit respectively
The second input terminal B2_V_C, third sub- battery sampling circuit second input terminal B3_V_C and the 4th sub- battery sampling electricity
The second input terminal B4_V_C on road；2 feet ground connection, 3 feet and 6 feet are all connected with the first output terminal of first sub- battery sampling circuit
B1_V, 5 feet and 9 feet are all connected with the first output terminal B2_V of second sub- battery sampling circuit, and 10 feet and 13 feet are all connected with third
First output terminal B3_V of a sub- battery sampling circuit, 12 feet connect the first output terminal B4_ of the 4th sub- battery sampling circuit
V；The output terminal VCC1 connections of 4 feet and corresponding power supply circuit, 11 feet are grounded by a resistance R13.Corresponding power supply circuit
Input terminal is the anode corresponding to multiple sub- battery sampling circuits corresponding with the integrated circuit, i.e. the first batteries, the
The anode of two batteries, third batteries and the 4th batteries, anode of each anode respectively with a diode are connect, often
The cathode of a diode is the output terminal VCC1 of power supply circuit, and the effect of the power supply circuit is to take ceiling voltage to integrated circuit
Power supply.
It should be noted that above-mentioned integrated circuit U5 at most may compare four groups of voltages, naturally it is also possible to only connect two sons
Battery sampling circuit carries out voltage comparison, compares more multigroup voltage if necessary, then correspondingly increases LM324 integrated circuits and be
Can, connection relation is similar with the connection relation of integrated circuit U5, no longer repeats one by one.
Fig. 3 is the output compensating circuit being made of four sub- output compensating circuits, the circuit of every sub- output compensating circuit
Structure is identical, and the circuit structure of first sub- output compensating circuit is described below：Including resistance R21, resistance R22, resistance R23,
Resistance R24, resistance R25, operational amplifier U1 and diode D1, one end of resistance R21 and one end of resistance R25 with it is corresponding
Battery cathode (i.e. first segment battery cathode) connects, and first segment battery cathode is equivalent to ground connection, the other end of resistance R21 respectively with
One end of resistance R22 is connected with the reverse side of operational amplifier U1, the other end of resistance R22 and the output terminal of operational amplifier U1
Anode with diode D1 is connect, the cathode of diode D1 for output compensating circuit output terminal BATV1 and be used for and electricity consumption
Device connects, and the effect of diode D1 is to prevent reverse current, and influences voltage sample precision and either damage electronic component.
Second output terminal (the second of i.e. first sub- battery sampling circuit of one end of resistance R23 and corresponding sub- battery sampling circuit
Output terminal BATV_1) connection, the additional electrical pressure side ADDV_1 connections corresponding with one of one end of resistance R24, resistance R23's is another
In-phase end of the other end at end, the other end of resistance R24 and resistance R25 with operational amplifier U1 is connect.For other sons
Output compensating circuit, circuit structure is identical with the circuit structure of first sub- output compensating circuit, specific electronic component mark
Note does not repeat one by one herein with reference to figure 3.Preferably, the power end of operational amplifier U1 by corresponding integrated circuit U5 power supply
The output terminal VCC1 of circuit is input to a booster circuit, then provides voltage by the output terminal VCC11 of booster circuit, wherein, it rises
Volt circuit is conventional booster circuit, is not disclosed in the accompanying drawings.
Fig. 4 is four boosted circuits, and respectively corresponding sub- output compensating circuit provides auxiliary voltage, is described below
The structure of first boosted circuit：Including resistance R26, adjustable resistance R27 and capacitance C4, one end of resistance R26 with it is corresponding
Anode (i.e. first segment anode B1) connection, the other end of resistance R26 connect with one end of adjustable resistance R27, can
The other end of resistance R27 is adjusted to be connected with corresponding battery cathode (i.e. first segment battery cathode), the adjustable end of adjustable resistance R27 is
One end of additional electrical pressure side ADDV_1, capacitance C4 are connect with the adjustable end of adjustable resistance R27, the other end and adjustable electric of capacitance C4
Hinder the other end connection of R27.For other boosted circuits, the circuit of circuit structure and first boosted circuit
Structure is identical, and specific electronic component label does not repeat one by one herein with reference to figure 4.It should be noted that B1 is both the first economize on electricity
Pond anode is also the second batteries cathode, for example, the B1 ends in second boosted circuit in Fig. 4 refer to the second economize on electricity
Pond cathode, for another example, the B1 ends in second sub- output compensating circuit in Fig. 3 also refer to the second batteries cathode, and so on,
B2, B3 and B4 also understand as described above.
The operation principle of the anti-wrong output circuit of series battery is described below：To detect the second batteries and the first economize on electricity
For whether having wrong between pond, 5 feet of integrated circuit U5 receive the first output terminal B2_V of second sub- battery sampling circuit
The voltage of output, 6 feet receive the voltage of the first output terminal B1_V outputs of first sub- battery sampling circuit, and 5 feet and 6 feet carry out
Compare, if 5 foot voltages are more than 6 foot voltages, illustrating the sampling line of the first batteries and the second batteries does not have wrong, at this time 7
Foot exports high level to the second input terminal B2_V_C of second sub- battery sampling circuit, so as to which triode Q2 is connected, second
Output terminal BATV_2 output voltages are to second sub- output compensating circuit.If 5 foot voltages are less than 6 foot voltages, illustrate first
Sampling line wrong or the battery pack sampling reversed situation of line, 7 feet output low level, three poles have occurred in batteries and the second batteries
Pipe Q2 is not turned on, not output voltage, can thus ensure that corresponding sub- voltage compensating circuit and with sub- voltage compensating circuit
Other circuits of connection do not damage.In addition, the power supply circuit that the feeder ear of integrated circuit U5 is connected is actually to take correspondence
Multiple batteries in ceiling voltage be powered, if there is reversal connection situation in the sampling line of multiple batteries, then integrated electricity
4 feet of road U5 and 11 foot potential-frees are poor, and integrated circuit U5 will not generate supply voltage, then 1 foot, 7 feet, 8 feet and 14 feet do not have
There is voltage output, be equally other that ensure that corresponding multiple sub- voltage compensating circuits and connect with sub- voltage compensating circuit
Circuit does not damage.
On the basis of the first batteries and the second batteries are without wrong, second sub- output compensating circuit receives
The voltage that BATV_2 is exported, by resistance R33 to the in-phase end of operational amplifier U2, second boosted circuit it is additional
Voltage end ADDV_2 output voltages are by resistance R34 to the in-phase end of operational amplifier U2, the output voltage of boosted circuit
It can be changed by adjusting adjustable resistance therein, the output terminal BATV2=BATV_2+ of second sub- output compensating circuit
Therefore ADDV_2, can make BATV2=B2 by the voltage value for adjusting ADDV_2, i.e. second sub- output compensating circuit it is defeated
The voltage of outlet output is equal to the voltage of the second batteries anode.If there is the situation of wrong, then sub- output compensating circuit
Voltage output is certainly less than the normal voltage value of corresponding battery.
The advantage of the invention is that：From the angle of circuit design, solve battery pack single battery voltage sample line and connect
Wrong or reversal connection and caused by the problems such as burning out circuit board and electric leakage of battery pack, while increase compensation circuit, make cell voltage
Sampling output is consistent with actual value, can handle by the battery pack wrongs of battery composition or reversal connection problem more than two sections, play
Protect the effect of subsequent conditioning circuit.Moreover, the anti-wrong output circuit of the series battery can be applied to different battery pack control
It is portable strong in scheme, the qualification rate of product is increased, reduces the possibility damaged by artificial wrong battery line.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (7)
1. a kind of anti-wrong output circuit of series battery, which is characterized in that including：Battery sampling circuit, sampling control circuit
And output compensating circuit；The battery sampling circuit includes the sub- battery sampling electricity identical with the number of batteries in a battery pack
Road, the output compensating circuit include the sub- output compensating circuit identical with sub- battery sampling circuit quantity, wherein, in battery pack
Battery between to be connected in series with, battery, sub- battery sampling circuit and sub- output compensating circuit are one-to-one relationship；
Every sub- battery sampling circuit is respectively used to receive the voltage that the anode of corresponding battery is exported and outputs this to sampling
In control circuit, if also, certain sub- battery sampling circuit high level signal is received from sampling control circuit, the son is electric
Pond sample circuit outputs voltage signal to corresponding sub- output compensating circuit, otherwise, the sub- battery sampling circuit not output voltage
Signal is to corresponding sub- output compensating circuit；
Sampling control circuit, for being respectively compared corresponding two voltage of the anode of two adjacent sections battery, if later section
The voltage of the anode of battery is more than the voltage of the anode of previous batteries, then exports corresponding to high level signal to latter batteries
Sub- battery sampling circuit, otherwise export low level signal to latter batteries corresponding to sub- battery sampling circuit；
Every sub- output compensating circuit, for receiving voltage signal and the additional electrical that corresponding sub- battery sampling circuit is exported
Signal is pressed, and the voltage signal that corresponding sub- battery sampling circuit is exported is added with auxiliary voltage signal, is made it equal to pair
It answers the voltage that the anode of battery is exported and exports to electrical appliance.
2. the anti-wrong output circuit of series battery according to claim 1, which is characterized in that the sub- battery sampling electricity
Road includes：First resistor, second resistance, 3rd resistor and triode, one end of first resistor and one end of second resistance are
First input end, first input end are used to connect with the anode of corresponding battery, and the other end of first resistor is the first output terminal, the
The other end of two resistance and the collector of triode connect, and one end of 3rd resistor and the base stage of triode are the second input
End, the other end of 3rd resistor and the emitter of triode are second output terminal.
3. the anti-wrong output circuit of series battery according to claim 2, which is characterized in that two adjacent sub- batteries
It is attached between the emitter of triode in sample circuit by one first capacitance.
4. the anti-wrong output circuit of series battery according to claim 2, which is characterized in that the sampling control circuit
It is made of the integrated circuit of at least one model LM324, an integrated circuit includes four the first operational amplifiers；
Wherein, in same first operational amplifier, corresponding to the latter batteries in in-phase end and two adjacent sections battery
Sub- battery sampling circuit the connection of the first output terminal, corresponding to the previous batteries in reverse side and two adjacent sections battery
The first output terminal connection of sub- battery sampling circuit, son of the output terminal corresponding to the latter batteries in two adjacent sections battery
The second input terminal connection of battery sampling circuit；When corresponding to the in-phase end of some the first operational amplifier and the first batteries
The reverse side ground connection of the first output terminal connection of sub- battery sampling circuit, then first operational amplifier, and first operation is put
Second input terminal of sub- battery sampling circuit of the output terminal of big device corresponding to the first batteries is connect.
5. the anti-wrong output circuit of series battery according to claim 4, which is characterized in that the electricity of the integrated circuit
Source is connected with the output terminal of corresponding power supply circuit, and the input terminal of the power supply circuit is corresponding with the integrated circuit multiple
Anode corresponding to sub- battery sampling circuit, each anode of the corresponding anode respectively with a diode are connect, often
The cathode of a diode is the output terminal of power supply circuit.
6. the anti-wrong output circuit of series battery according to claim 2, which is characterized in that the sub- output compensation electricity
Road includes：4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, second operational amplifier and the one or two pole
Pipe, one end of the 4th resistance and one end of the 8th resistance are used to connect with the cathode of corresponding battery, the other end of the 4th resistance
The reverse side with one end of the 5th resistance and second operational amplifier is connect respectively, and the other end of the 5th resistance and the second operation are put
Anode of the output terminal of big device with the first diode connect, the cathode of the first diode be the output terminal of output compensating circuit simultaneously
For being connect with electrical appliance, one end of the 6th resistance is connected with the second output terminal of corresponding sub- battery sampling circuit, the 7th electricity
One end of resistance additional electrical press bond corresponding with one, the other end of the 6th resistance, the other end and the 8th resistance of the 7th resistance
The other end connect with the in-phase end of second operational amplifier.
7. the anti-wrong output circuit of series battery according to claim 6, which is characterized in that corresponding to additional electrical pressure side
Circuit for boosted circuit, the boosted circuit includes：Adjustable resistance, the 9th resistance and the second capacitance, the 9th electricity
One end of resistance is used to connect with the anode of corresponding battery, and the other end of the 9th resistance and one end of adjustable resistance connect, adjustable electric
The cathode of the other end of resistance and corresponding battery connects, and the adjustable end of adjustable resistance is additional electrical pressure side, one end of the second capacitance with
The adjustable end connection of adjustable resistance, the other end of the second capacitance and the other end of adjustable resistance connect.
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| CN201510256656.4A CN104821575B (en) | 2015-05-19 | 2015-05-19 | A kind of anti-wrong output circuit of series battery |
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| CN201510256656.4A CN104821575B (en) | 2015-05-19 | 2015-05-19 | A kind of anti-wrong output circuit of series battery |
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| CN104821575B true CN104821575B (en) | 2018-06-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110429694B (en) * | 2019-09-05 | 2021-11-23 | 深圳京柏医疗科技股份有限公司 | Method and device for preventing reverse connection of 4-unit series-connected dry batteries |
| CN111142051A (en) * | 2020-01-06 | 2020-05-12 | 深圳市盛弘电气股份有限公司 | Serial line detection circuit and judgment method thereof |
| 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 |
| CN113782850A (en) * | 2021-09-10 | 2021-12-10 | 芜湖天弋能源科技有限公司 | Method for preventing wrong connection of battery pack acquisition line |
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| JP2005287193A (en) * | 2004-03-30 | 2005-10-13 | Mitsubishi Electric Corp | Voltage compensator |
| CN201821321U (en) * | 2010-09-15 | 2011-05-04 | 合基电讯科技(上海)有限公司 | Amplifier hardware temperature compensation circuit used in base station |
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| CN104821575A (en) | 2015-08-05 |
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Address after: Longgang District of Shenzhen City, Guangdong province 518117 Ping Street in the community sifangpu village 1 building A 101, 201, 301, building B, building D, building G Applicant after: SHENZHEN ZHUONENG NEW ENERGY CO., LTD. Address before: 518000 Shenzhen City, Longgang District, Ping and industrial zone, a phase of the first phase of the United States and the United States, Guangdong, a period of three Applicant before: Shenzhen Zhuoneng New Energy Technology Co.,Ltd. |
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