CN107492866A - A kind of short circuit protection system of controller for solar - Google Patents
A kind of short circuit protection system of controller for solar Download PDFInfo
- Publication number
- CN107492866A CN107492866A CN201710625334.1A CN201710625334A CN107492866A CN 107492866 A CN107492866 A CN 107492866A CN 201710625334 A CN201710625334 A CN 201710625334A CN 107492866 A CN107492866 A CN 107492866A
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- battery
- solar
- controller
- electric energy
- output end
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- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Protection Of Static Devices (AREA)
Abstract
The present invention relates to controller for solar, and in particular to a kind of short circuit protection system of controller for solar.The short circuit protection system includes comparing unit, and the comparing unit is connected with electric energy output end mouth and battery respectively, receives the output voltage values of electric energy output end mouth and the battery voltage value of battery, the comparing unit are also connected with controller for solar；Wherein, if output voltage values are less than battery voltage value, the comparing unit controls electric energy output end mouth to close output by controller for solar.The present invention is by designing a kind of short circuit protection system of controller for solar; the magnitude of voltage of external loading and battery is obtained using comparing unit; using the magnitude of voltage of battery as reference value; in advance and electric current relatively low in battery tension again it is bigger in the case of; close load; so as to avoid the problem of short-circuit protection failure easily occur, while adapt to the controller under multiple battery voltage condition and can realize effective protection of load.
Description
Technical field
The present invention relates to controller for solar, and in particular to a kind of short circuit protection system of controller for solar.
Background technology
In controller for solar field, on short-circuit protection, sampled according to the size of load current, then pass through ratio
Compared with current value size compared with arranges value, when sampled value is higher than arranges value, comparator judge the action of load.
But and electric current relatively low in battery tension again it is bigger in the case of, easily occur short-circuit protection failure ask
Topic, effective protection of load can be realized by particularly adapting to the controller under multiple battery voltage condition.
How effectively to solve the problems, such as load short circuits shielding failure under special circumstances, and improve controller in a variety of rings
Applicability and stability under border, be those skilled in the art always primary study the problem of one of.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of solar control
The short circuit protection system of device, solve the problems, such as load short circuits shielding failure under special circumstances, and improve controller a variety of
Applicability and stability under environment.
The technical solution adopted for the present invention to solve the technical problems is：A kind of short-circuit protection of controller for solar is provided
System, controller for solar are connected with solar panels, battery and external loading respectively, and the controller for solar is defeated by electric energy
Exit port is connected with external loading, and the short circuit protection system includes comparing unit, the comparing unit respectively with electric energy output end mouth
Connected with battery, receive the output voltage values of electric energy output end mouth and the battery voltage value of battery, the comparing unit is also
It is connected with controller for solar；Wherein,
If output voltage values are less than battery voltage value, the comparing unit controls electric energy output end mouth by controller for solar
Close output.
Wherein, preferred version is：The comparing unit includes the end of oppisite phase of a comparator, the electric energy output end mouth and comparator
The in-phase end of connection, the battery and comparator is connected, and the output end of the comparator is connected with controller for solar；Wherein,
If output voltage values are less than battery voltage value, the output end output high level signal of the comparator, instead then export low
Level signal；The controller for solar controls electric energy output end mouth to close output according to high level signal.
Wherein, preferred version is：The comparing unit also includes a bleeder circuit for being arranged on comparator in-phase end, the electric power storage
The battery voltage value in pond is input to the in-phase end of comparator after bleeder circuit partial pressure；If output voltage values are less than cell voltage
The partial pressure value of value, the output end output high level signal of the comparator.
Wherein, preferred version is：The comparing unit also includes a drop being arranged between comparator in-phase end and battery
Volt circuit, the battery voltage value of the battery are input to the in-phase end of comparator after reduction voltage circuit is depressured；If output voltage
Value is less than the step-down value of battery voltage value, the output end output high level signal of the comparator.
Wherein, preferred version is：The controller for solar includes cut-offfing module with what electric energy output end mouth was connected, and this cut-offs
Module is connected with comparing unit, and controls being turned on and off for electric energy output end mouth according to the control signal of comparing unit.
Wherein, preferred version is：The short circuit protection system also includes output end and the solar energy control for being arranged on comparing unit
Processing unit between device processed, the processing unit control electric energy according to the output signal of comparing unit by controller for solar
Output port closes output.
Wherein, preferred version is：The electric discharge of the electrical energy inputs and battery of the controller for solar electric energy output end mouth
End connection；Wherein, the input of the comparing unit is connected with the discharge end and electric energy output end mouth of battery respectively.
Wherein, preferred version is：The comparing unit is arranged on the circuit board of controller for solar.
Wherein, preferred version is：The comparing unit includes a process chip, the input of the process chip respectively with electric energy
Output port is connected with battery, and the output end of the process chip is connected with electric energy output end mouth, and the process chip obtains respectively
Output voltage values and battery voltage value, and judgement comparison is carried out, if output voltage values are less than battery voltage value, the process chip control
Electric energy output end mouth processed closes output.
Wherein, preferred version is：The comparing unit also includes a memory module, and the memory module is provided with scale parameter,
The process chip is handled battery voltage value according to scale parameter, obtains cell voltage ratio value, the process chip is to defeated
Go out magnitude of voltage and cell voltage ratio value carries out judgement comparison, if output voltage values are less than battery voltage value, the process chip control
Electric energy output end mouth processed closes output.
The beneficial effects of the present invention are compared with prior art, the present invention is by designing a kind of controller for solar
Short circuit protection system, the magnitude of voltage of external loading and battery is obtained using comparing unit, using the magnitude of voltage of battery as reference
Value, in advance and electric current relatively low in battery tension again it is bigger in the case of, close load, so as to avoid easily occur short circuit protect
The problem of failing is protected, while adapt to the controller under multiple battery voltage condition to realize effective protection of load；And structure
Simply, it is not necessary to improved on a large scale, suitable for various controller for solar, reduce production, maintenance cost.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the attachment structure schematic diagram of controller for solar of the present invention and external devices；
Fig. 2 is Fig. 1 concrete structure schematic diagram；
Fig. 3 is the structural representation of short circuit protection system of the present invention；
Fig. 4 is the structural representation of the invention based on the short circuit protection system for cut-offfing module；
Fig. 5 is the circuit diagram of short circuit protection system of the present invention；
Fig. 6 is the structural representation of the short circuit protection system of the invention based on processor；
Fig. 7 is the structural representation of another embodiment of short circuit protection system of the present invention.
Embodiment
In conjunction with accompanying drawing, presently preferred embodiments of the present invention is elaborated.
As depicted in figs. 1 and 2, the present invention provides a kind of preferred embodiment of controller for solar.
The full name of controller for solar 10 is solar charging discharging controller, is to be used in solar power system, control is more
Road solar cell array is charged to battery 30 and battery 30 is set to automatically controlling for solar inverter load supplying
It is standby, and charge and discharge condition to battery 30 provided and controlled, and control solar cell according to the power supply requirement of load
Component and battery 30 export to the electric energy of load, are the core control portions of whole photovoltaic power supply system.
Specifically, controller for solar 10 is connected with solar panels 20, battery 30 and external loading 40 respectively, solar energy
Controller 10 includes three ports, is power input, energy storage electric discharge port 12 and electric energy output end mouth 13 respectively, solar energy
Controller 10 is connected by power input with solar panels 20, and is connected respectively by energy storage electric discharge port 12 with battery 30
Connect, and be connected by electric energy output end mouth 13 with external loading 40.
Wherein, solar panels 20 produce electric energy and are transferred to by power input in controller for solar 10, the sun
The electric energy of reception is that battery 30 charges by energy storage electric discharge port 12 by energy controller 10, and this is the charging stage；Battery 30
Discharge operation is carried out according to the control of controller for solar 10, and solar energy control is transferred electrical energy into by energy storage electric discharge port 12
In device 10 processed, controller for solar 10 by the electric energy of reception by by electric energy output end mouth 13 be external loading 40 power, this
For discharge regime.
In the present embodiment, controller for solar 10 includes a control board, and the control board is solar control
The control core of device 10, it is connected with power input, energy storage electric discharge port 12 and electric energy output end mouth 13 respectively, and to each
Electric energy is managed, handled, and realizes the normal operation of controller for solar 10.
As shown in Figure 3 and Figure 4, the present invention provides a kind of preferred embodiment of the short circuit protection system of controller for solar.
A kind of short circuit protection system of controller for solar 10, the short circuit protection system include comparing unit 101, and this compares
Unit 101 is connected with electric energy output end mouth 13 and battery 30 respectively, receive electric energy output end mouth 13 output voltage values and
The battery voltage value of battery 30, the comparing unit 101 are also connected with controller for solar 10；Wherein, if output voltage values are low
In battery voltage value, the comparing unit 101 controls electric energy output end mouth 13 to close and exported by controller for solar 10.
Wherein, there are electronic switch and circuit between energy storage electric discharge port 12 and electric energy output end mouth 13, when high current passes through
Shi Huiyou pressure drops.
Specifically, comparing unit 101 can obtain the battery voltage value of battery 30 by various modes, such as pass through its energy storage
Operating voltage when the acquisition battery 30 of port 12 that discharges discharges, or battery 30 itself set a voltage detecting port, than
The operating voltage of battery 30 is obtained by voltage detecting port compared with unit 101.In general, the battery voltage value of battery 30
It is constant, but when 30 not enough power supply of battery, or when the short circuit of battery 30, damage, its magnitude of voltage can diminish.
And the energy storage discharge end of the electrical energy inputs of the electric energy output end mouth 13 of controller for solar 10 and battery 30
Mouth 12 connects；Wherein, the input of the comparing unit 101 discharges port 12 and electric energy output end with the energy storage of battery 30 respectively
Mouth 13 connects.Certainly various circuit modules are additionally provided between battery 30 and electric energy output end mouth 13, for battery 30
The electric energy of electric discharge is handled, and adapts to the electric energy that external loading 40 uses.It is required that adapt under a variety of voltage conditions of battery 30
Controller for solar 10 realize effective protection of load, meanwhile, effectively solve in particular cases load short circuits shielding failure, carry
The applicability in a variety of contexts of controller for solar 10 and improve product stability.
Preferably, the comparing unit 101 is arranged on the circuit board of controller for solar 10, realizes Integrated design, is saved
Space, cost is reduced, meanwhile, the resistance to overturning of raising controller for solar 10.
As shown in figure 5, the present invention provides a kind of preferred embodiment of the circuit arrangement of short circuit protection system.
The comparing unit 101 includes a comparator, and the electric energy output end mouth 13 is connected with the end of oppisite phase of comparator, the electric power storage
Pond 30 is connected with the in-phase end of comparator, and the output end of the comparator is connected with controller for solar 10；Wherein, if output voltage
Value is less than battery voltage value, the output end output high level signal of the comparator, instead then exports low level signal；The solar energy control
Device 10 processed controls electric energy output end mouth 13 to close and exported according to high level signal.
Comparator is that two or more data item are compared, and to determine whether they are equal, or is determined between them
Magnitude relationship and put in order and be referred to as comparing, comparator compares an analog voltage signal with a reference voltage
Circuit, comparator two-way input be analog signal, output be then binary signal 0 or 1, when input voltage difference increase or
Reduce and sign symbol it is constant when, its export keep it is constant.
In the present embodiment, comparator includes in-phase end, end of oppisite phase and output end, when the electricity that in-phase end and end of oppisite phase input
When pressing consistent, comparator output low level signal, when the voltage of end of oppisite phase input is less than the voltage that in-phase end inputs, comparator
Export high level signal.Further, the controller for solar 10 includes cut-offfing module with what electric energy output end mouth 13 was connected
102, this cut-offs module 102 and is connected with comparing unit 101, and controls electric energy output end according to the control signal of comparing unit 101
Mouth 13 is turned on and off, if comparator exports low level signal, cut-offs the always on electric energy output end mouth 13 of module 102, outside
The normal work of section load 40, on the contrary close electric energy output end mouth 13.
Wherein, it is electronic switching device to cut-off module 102.
In the present embodiment, comparing unit 101 also includes a bleeder circuit for being arranged on comparator in-phase end, the battery
30 battery voltage value is input to the in-phase end of comparator after bleeder circuit partial pressure；If output voltage values are less than cell voltage
The partial pressure value of value, the output end output high level signal of the comparator.
, should or comparing unit 101 also includes a reduction voltage circuit being arranged between comparator in-phase end and battery 30
The battery voltage value of battery 30 is input to the in-phase end of comparator after reduction voltage circuit is depressured；If output voltage values are less than electricity
The step-down value of cell voltage value, the output end output high level signal of the comparator.
As shown in fig. 6, the present invention provides a kind of preferred embodiment of the short circuit protection system based on processing unit.
The short circuit protection system also includes the place being arranged between the output end of comparing unit 101 and controller for solar 10
Unit 103 is managed, the processing unit 103 controls electric energy defeated according to the output signal of comparing unit 101 by controller for solar 10
Exit port 13 closes output.
As shown in fig. 7, the present invention provides a kind of preferred embodiment of short circuit protection system.
The comparing unit 101 includes a process chip, the input of the process chip respectively with electric energy output end mouth 13 and
Battery 30 is connected, and the output end of the process chip is connected with electric energy output end mouth 13, and the process chip obtains output electricity respectively
Pressure value and battery voltage value, and judgement comparison is carried out, if output voltage values are less than battery voltage value, process chip control electric energy
Output port 13 closes output.
Further, the comparing unit 101 also includes a memory module, and the memory module is provided with scale parameter, at this
Reason chip is handled battery voltage value according to scale parameter, obtains cell voltage ratio value, the process chip is to output electricity
Pressure value and cell voltage ratio value carry out judgement comparison, if output voltage values are less than battery voltage value, process chip control electricity
Can the closing output of output port 13.
As described above, only preferred embodiment is not intended to limit the scope of the present invention, Fan Yibenfa
The equivalent change or modification that bright claim is made, it is all that the present invention is covered.
Claims (10)
1. a kind of short circuit protection system of controller for solar, controller for solar respectively with solar panels, battery and outside
Load connection, the controller for solar are connected by electric energy output end mouth with external loading, it is characterised in that：The short-circuit protection system
System includes comparing unit, and the comparing unit is connected with electric energy output end mouth and battery respectively, receives the defeated of electric energy output end mouth
Go out the battery voltage value of magnitude of voltage and battery, the comparing unit is also connected with controller for solar；Wherein,
If output voltage values are less than battery voltage value, the comparing unit controls electric energy output end mouth to close by controller for solar
Output.
2. short circuit protection system according to claim 1, it is characterised in that：The comparing unit includes a comparator, and the electric energy is defeated
The end of oppisite phase of exit port and comparator connects, and the in-phase end of the battery and comparator connects, the output end of the comparator with too
Positive energy controller connection；Wherein,
If output voltage values are less than battery voltage value, the output end output high level signal of the comparator, low level is instead then exported
Signal；The controller for solar controls electric energy output end mouth to close output according to high level signal.
3. short circuit protection system according to claim 2, it is characterised in that：It is same that the comparing unit is also arranged on comparator including one
The bleeder circuit at phase end, the battery voltage value of the battery are input to the in-phase end of comparator after bleeder circuit partial pressure；If
Output voltage values are less than the partial pressure value of battery voltage value, the output end output high level signal of the comparator.
4. short circuit protection system according to claim 2, it is characterised in that：It is same that the comparing unit is also arranged on comparator including one
Reduction voltage circuit between phase end and battery, the battery voltage value of the battery are input to comparator after reduction voltage circuit is depressured
In-phase end；If output voltage values are less than the step-down value of battery voltage value, the output end output high level signal of the comparator.
5. short circuit protection system according to claim 1, it is characterised in that：The controller for solar includes and electric energy output end mouth
Module is cut-off in connection, and this cut-offs module and is connected with comparing unit, and controls electric energy output according to the control signal of comparing unit
Port is turned on and off.
6. according to the short circuit protection system of claim 1 or 5, it is characterised in that：The short circuit protection system also includes being arranged on ratio
Compared with the processing unit between the output end and controller for solar of unit, the processing unit according to the output signal of comparing unit,
Electric energy output end mouth is controlled to close output by controller for solar.
7. short circuit protection system according to claim 1, it is characterised in that：The electric energy of the controller for solar electric energy output end mouth
The discharge end of input and battery connects；Wherein, the input of the comparing unit discharge end and electric energy with battery respectively
Output port connects.
8. short circuit protection system according to claim 1, it is characterised in that：The comparing unit is arranged on the electricity of controller for solar
On the plate of road.
9. short circuit protection system according to claim 1, it is characterised in that：The comparing unit includes a process chip, the processing
The input of chip is connected with electric energy output end mouth and battery respectively, and output end and the electric energy output end mouth of the process chip connect
Connect, the process chip obtains output voltage values and battery voltage value respectively, and carries out judgement comparison, if output voltage values are less than electricity
Cell voltage value, process chip control electric energy output end mouth close output.
10. short circuit protection system according to claim 9, it is characterised in that：The comparing unit also includes a memory module, and this is deposited
Storage module is provided with scale parameter, and the process chip is handled battery voltage value according to scale parameter, obtains cell voltage
Ratio value, the process chip carry out judgement comparison to output voltage values and cell voltage ratio value, if output voltage values are less than electricity
Cell voltage value, process chip control electric energy output end mouth close output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625334.1A CN107492866B (en) | 2017-07-27 | 2017-07-27 | A kind of short circuit protection system of solar controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625334.1A CN107492866B (en) | 2017-07-27 | 2017-07-27 | A kind of short circuit protection system of solar controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107492866A true CN107492866A (en) | 2017-12-19 |
| CN107492866B CN107492866B (en) | 2019-06-25 |
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ID=60643838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710625334.1A Active CN107492866B (en) | 2017-07-27 | 2017-07-27 | A kind of short circuit protection system of solar controller |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895236A (en) * | 2009-05-19 | 2010-11-24 | 鸿富锦精密工业（深圳）有限公司 | Solar controller |
| CN202957634U (en) * | 2012-12-10 | 2013-05-29 | 温州大学 | Maximum power point (MPPT) tracing and load protection device for photovoltaic cell |
| CN203456862U (en) * | 2013-09-18 | 2014-02-26 | 中兴能源（唐山）节能有限公司 | Household photovoltaic power accumulator protection circuit |
| CN105098887A (en) * | 2015-07-20 | 2015-11-25 | 苏州富德莱光电科技有限公司 | Solar cell charging and discharging controller |
| CN205489485U (en) * | 2016-03-02 | 2016-08-17 | 连德伦 | Solar charging power with control by temperature change, short circuit and overcharge protection |
-
2017
- 2017-07-27 CN CN201710625334.1A patent/CN107492866B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895236A (en) * | 2009-05-19 | 2010-11-24 | 鸿富锦精密工业（深圳）有限公司 | Solar controller |
| CN202957634U (en) * | 2012-12-10 | 2013-05-29 | 温州大学 | Maximum power point (MPPT) tracing and load protection device for photovoltaic cell |
| CN203456862U (en) * | 2013-09-18 | 2014-02-26 | 中兴能源（唐山）节能有限公司 | Household photovoltaic power accumulator protection circuit |
| CN105098887A (en) * | 2015-07-20 | 2015-11-25 | 苏州富德莱光电科技有限公司 | Solar cell charging and discharging controller |
| CN205489485U (en) * | 2016-03-02 | 2016-08-17 | 连德伦 | Solar charging power with control by temperature change, short circuit and overcharge protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107492866B (en) | 2019-06-25 |
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Address after: 518000 Guangdong, Shenzhen, Baoan District, Baoan District City, the third floor of the community of 13A, Wutong Industrial Park, 4 layers and 5 stories. Patentee after: Shenzhen Shuorixin Energy Technology Co.,Ltd. Address before: 4-5F, Building 13A, Taihua wutong Industrial Park, Gushu Development Zone, Hangcheng Street, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN SHUORI NEW ENERGY TECHNOLOGY Co.,Ltd. |
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