CN105785280B - A kind of high-power test platform cabinet body structure - Google Patents
A kind of high-power test platform cabinet body structure Download PDFInfo
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- CN105785280B CN105785280B CN201610152409.4A CN201610152409A CN105785280B CN 105785280 B CN105785280 B CN 105785280B CN 201610152409 A CN201610152409 A CN 201610152409A CN 105785280 B CN105785280 B CN 105785280B
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- Prior art keywords
- cabinet
- cabinet body
- busbar
- outgoing line
- incoming line
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Abstract
The present invention relates to a kind of high-power test platform cabinet body structures, including pedestal, incoming line cabinet, outgoing line cabinet and debugging cabinet, it is successively fixed with incoming line cabinet, outgoing line cabinet and debugging cabinet laterally side by side in pedestal upper end, a plurality of busbar being laterally or longitudinally connected to is installed inside incoming line cabinet, outgoing line cabinet and debugging cabinet.Outline dimension of cabinet reduce, cabinet body it is high, it is wide, depth three directions on size become smaller, significantly reduce the weight of cabinet body frame, consumptive material is few, save the cost, and the reduction of size makes it be more applicable for small space installation, the scope of application greatly increases, and has widened application field.
Description
Technical field
The present invention relates to technical field of new energy power generation, are related to compact and cabinet cabinet body, especially a kind of high-power test
Platform cabinet body structure.
Background technique
New energy test power technique fields, existing high power DC inversion of direct current conversion electric power cabinet body be all often by into
Line cabinet, outgoing line cabinet, debugging cabinet form high power conversion output input device cabinet body structure, need more powerful conversion equipment
When, it only needs and cabinet is superimposed；High-power current converter is generally made into cabinet body structure, to facilitate whole Transporting to install.
High-power electric current conversion cabinet body structure general at present has the following problems: 1, cabinet body bulky dimensions are installed and used
Place is restricted very much, and not convenient for transportation；2, the cabinet body of general high-power test platform all includes that an incoming line cabinet and one go out
Existing cabinet composition, when needing more powerful equipment, is superimposed both of the aforesaid cabinet body, so that cabinet body quantity is more, and equipment volume is huge
Greatly, it has not been convenient to transport, occupied area is also huge；3, interior of the cabinet electrical part layout is unreasonable, and electricity piece interior layout cannot be complete
Portion utilizes structural member space, and structure material is caused to waste, this is also resulted in, and outline dimension of cabinet is huge, increased costs；4, cabinet body
Internal busbar cabling is unreasonable, and the cabling route of busbar is cumbersome, causes busbar quantity excessive, and cost greatly increases, cabinet body weight
It is consequently increased；And busbar quantity is excessive, and there are many turning lap-joint, causes energization heat dissipation capacity excessive, is unfavorable for interior of the cabinet
Heat dissipation；5, aforementioned four disadvantages, all cause the waste of equipment cost, bulky, unreasonable structure, it has not been convenient to install,
Transport.
Summary of the invention
It is an object of the invention to provide in place of overcome the deficiencies in the prior art, a kind of structure is simple, install convenient, stabilization
Good, sealed reliable the high-power test platform cabinet body structure of property.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of high-power test platform cabinet body structure, it is characterised in that: including pedestal, incoming line cabinet, outgoing line cabinet, debugging cabinet and
Bus bar is successively fixed with incoming line cabinet, outgoing line cabinet and debugging cabinet in pedestal upper end, in incoming line cabinet, outlet side by side from the front to the back
Cabinet and debugging cabinet upper end are fixed with the top plate of horizontal cross perforation, install inside incoming line cabinet, outgoing line cabinet and debugging cabinet
There is a plurality of bus bar being laterally or longitudinally interconnected；Interior of the cabinet specific structure: after cable accesses cabinet body by incoming line cabinet, directly
Galvanic electricity stream enters membrane capacitance electrolysis cells after capacitor EMC filtering, from inlet wire cabinet body rear portion by vertical busbar, and electric current passes through
Cable is connected with the negative inlet wire of reactor respectively；Multi-path electricity stream passes through cable respectively and is connected with the negative inlet wire of multiple reactors, then passes through
Reactor conversion is crossed, electric current is flowed out from reactor negative terminal, connect by big line cable with the public positive busbar in cabinet body rear portion；From public
Positive and negative outgoing line busbar is drawn respectively in positive negative busbar, loads the interface being connected as with outside.
Moreover, in incoming line cabinet from top to bottom successively interval upper spacer, middle partition and lower clapboard are installed, it is upper every
Heat release hole or ventilating duct are formed respectively on plate, middle partition and lower clapboard；It is equal in the surrounding of incoming line cabinet, outgoing line cabinet and debugging cabinet
Cladding is equipped with backplate.
Moreover, membrane capacitance electrolysis cells are mounted in the incoming line cabinet and outgoing line cabinet, incoming line cabinet membrane capacitance electrolysis cells
Multichannel is drawn respectively and busbar occurs, and outgoing line cabinet membrane capacitance electrolysis cells draw multichannel outgoing line busbar respectively, and multichannel outgoing line busbar is equal
It draws and corresponds respectively identical at the middle part of incoming line cabinet and outgoing line cabinet.
Moreover, incoming line cabinet is similar to outlet cabinet, portion's installation power unit core component on the cabinet, before cabinet body lower part
Capacitance component, inlet-outlet line busbar are placed in part, and lower part latter half places reactor assemblies.
Moreover, incoming line cabinet is provided with a capacitance component, positive and negative busbar is connected with negative, positive public busbar respectively；Outlet
Cabinet is built-in there are two capacitance component, and the positive and negative busbar of outgoing line cabinet is connected with negative, positive public busbar respectively, and respectively with top
Resistance is connected.
Moreover, being equipped with three heat dissipation paths in cabinet body:
First heat dissipation paths are cabinet body integral heat sink channels, and wind is entered by ventilation hole made on cabinet body nose plate
Cabinet body takes away reactor heat by bottom of cabinet bulk reactor, then passes through the heat dissipation channel at cabinet body rear portion, eventually by
Heat is discharged blower at the top of cabinet body；
Second heat dissipation paths are unit heat dissipation channels, and incoming line cabinet and outgoing line cabinet membrane capacitance electrolysis cells are mounted on heat dissipation
Device, radiator bottom are equipped with blowing blower, are formed with ventilation slot on corresponding top plate above radiator, and by drying, blower is blown
Membrane capacitance electrolysis cells play the effect of radiating to power device IGBT heat dissipation and membrane capacitance；
Third heat dissipation paths are that capacitance component carries air duct, and capacitance component is arranged capacitor heat by included blower
Out, then it is connected by heat release hole made on lower clapboard with the cabinet body integral heat sink channel at cabinet body rear portion, heat is by cabinet body
Main heat dissipation channel is discharged by bottom of cabinet bulk, or is discharged by the blower of cabinet top.
Moreover, the blower at the top of cabinet body is forced draft fans or blowing blower.
Moreover, cabinet body installation steps are as follows:
Firstly, successively organizing blocking, incoming line cabinet, outgoing line cabinet, debugging cabinet, integral cabinet body frame is organized；
Then, lower clapboard, upper spacer, structural member and the mother in Installation cabinet are distinguished on the basis of in whole cabinet body frame
Row；
Finally, installation top plate, and the backplate of cabinet body periphery, structure is adjusted, cabinet body installation is completed.
The advantages and positive effects of the present invention are:
1, this structure outline dimension of cabinet reduce, cabinet body it is high, it is wide, depth three directions on size become smaller, subtract significantly
The light weight of cabinet body frame, consumptive material is few, save the cost, and the reduction of size makes it be more applicable for small space installation, fits
It is greatly increased with range, has widened application field.
2, simultaneously cabinet interior of the cabinet topology layout is reasonable for this structure, and space utilization is compact, adds relative to traditional inverter cabinet
Line cabinet is complete and the number of cabinet cabinet body reduces by an incoming line cabinet, greatly reduces cost, while also mitigating the weight of integral device
Amount, convenient transportation.
3, this structure interior of the cabinet electricity piece is laid out more reasonable, the electricity piece that long service life, maintenance rate are low, weight is more heavy
Be arranged in the rear portion of cabinet body, by be easier to damage, high frequency of replacement, need radiator heat-dissipation electricity piece be mounted on cabinet body before
Part, for ease of maintenaince.
4, the design of this structure busbar cabling is simplified accurate, is greatly reduced busbar quantity, is utilized big line and busbar cabling phase
In conjunction with mode, saved busbar dosage, reduced heat dissipation capacity, reduced overlap joint heat radiation point, and busbar is set at symmetrical centre
Meter, overlap joint output are also walked out from busbar center, so that busbar heat dissipation is uniformly, improve the overall performance of equipment, while dropping significantly
Low busbar cost, save the cost.
5, this structure parallel connection cabinet body size reduces, and can reduce by an inlet wire cabinet body, and busbar also greatly reduces quantity, whole
Cabinet body alleviates the weight of cabinet body, reduces costs.
6, this structure outgoing line cabinet front sees that the capacitance component on the left side draws positive negative busbar outlet respectively, respectively and at the top of cabinet body
Resistance is connected,, can be by this positive negative busbar outlet and integrated resistor cabinet phase if resistance is not enough in heavy construction
Connection, universal performance are good.
Detailed description of the invention
Fig. 1 is front view structural representation (removing backplate)；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the sectional view along A-A in Fig. 3；
Fig. 5 is the schematic diagram that Fig. 2 removes rear portion backplate；
Fig. 6 is the rearview of Fig. 1.
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by specific embodiment, and following embodiment is descriptive
, it is not restrictive, this does not limit the scope of protection of the present invention.
A kind of high-power test platform cabinet body structure, the present embodiment structure such as attached drawing 1 to 3 show DC/DC high-power test
Platform cabinet body structure, including pedestal 5, incoming line cabinet 2, outgoing line cabinet 3, debugging cabinet 4 and bus bar 6,5 upper end of pedestal from the front to the back according to
It is secondary to be fixed with incoming line cabinet, outgoing line cabinet and debugging cabinet side by side, a level is fixed in incoming line cabinet, outgoing line cabinet and debugging cabinet upper end
The top plate 1 of lateral direction penetrating is equipped with a plurality of mother being laterally or longitudinally interconnected inside incoming line cabinet, outgoing line cabinet and debugging cabinet
Row, bus bar are used to fix the trend of cable, and compact overall structure, internal space layout is reasonable, are conducive to installation, transport and dimension
Shield；
Successively interval is equipped with upper spacer 12, middle partition 13 and lower clapboard 15 convenient for positioning from top to bottom in incoming line cabinet
Mounting assembly is formed respectively with heat release hole and ventilating duct on upper spacer, middle partition and lower clapboard, dissipates for interior of the cabinet ventilation
Heat.
It is coated in the surrounding of incoming line cabinet, outgoing line cabinet and debugging cabinet and the outer wall as a whole of backplate 7 is installed, close cabinet body
Original part in protection cabinets.
Interior of the cabinet specific structure:
After cable accesses cabinet body by incoming line cabinet, DC current passes through after capacitor EMC filtering from inlet wire cabinet body rear portion
Vertical busbar enters membrane capacitance electrolysis cells, and membrane capacitance electrolysis cells are mounted in incoming line cabinet and outgoing line cabinet；
Referring to shown in attached drawing 4, in incoming line cabinet membrane capacitance electrolysis cells 9 and 8 parallel busbar of outgoing line cabinet membrane capacitance electrolysis cells
Between the outgoing line busbar drawn, incoming line cabinet membrane capacitance electrolysis cells draw that three line structures are identical busbar occurs respectively, respectively go out
Line busbar 9-1, outgoing line busbar 9-2, outgoing line busbar 9-3；It is identical that outgoing line cabinet in membrane capacitance electrolysis cells draws three line structures respectively
Appearance busbar, respectively outgoing line busbar 8-1, outgoing line busbar 8-2, outgoing line busbar 8-3, outgoing line busbar is in incoming line cabinet and outlet
It draws in the middle part of cabinet, and corresponds respectively identical, guarantee that the electric current of incoming line cabinet and outgoing line cabinet flows through electric current during busbar
Consume is consistent, and is able to maintain calorific value of electric current during flowing through busbar unanimously, heat will be dispersed in inlet wire
Cabinet and two cabinet bodies of outgoing line cabinet maintain the consistency of two interior of the cabinet operating temperatures, are more advantageous to cabinet body after heat dissipation
Normal work, moreover it is possible to extend the service life of cabinet body；
Then, electric current is connected with the negative inlet wire of reactor respectively by cable, and six road electric currents pass through cable and 6 respectively altogether
The negative inlet wire of reactor is connected, and then converts by reactor, and electric current is flowed out from reactor negative terminal, after big line cable and cabinet body
The public positive busbar connection in portion；Positive and negative outgoing line busbar is drawn respectively from public positive negative busbar, as what is be connected with outside load
Interface, cabinet body rear structure spatial design is reasonable, carries out the spirit that busbar connection greatly reduces cost, improves cabling using big line
Activity.
Incoming line cabinet is similar to outlet cabinet, incoming line cabinet and outgoing line cabinet it is internal compact-sized, function is installed in portion on the cabinet
Rate unit core component, capacitance component, inlet-outlet line busbar are partially placed before cabinet body lower part, and lower part latter half places reactor group
Part etc.；
Incoming line cabinet is equipped with a capacitance component 14, and positive and negative busbar is connected with negative, positive public busbar respectively, and effect is storage
It can filtering.
Outgoing line cabinet dress is there are two capacitance component, and positive and negative busbar is connected with negative, positive public busbar respectively, and effect is energy storage
Filtering.
Outgoing line cabinet front view sees that the capacitance component on the left side draws positive negative busbar outlet respectively, respectively with cabinet body top resistive phase
Connection, in heavy construction, if resistance is not enough, this positive negative busbar outlet can be connected with integrated resistor cabinet,
Universal performance is good.
In order to meet the cooling requirements of cabinet body, entire cabinet body devises three heat dissipation paths:
First heat dissipation paths are cabinet body integral heat sink channels, and wind is entered by ventilation hole made on cabinet body nose plate
Cabinet body takes away reactor heat by bottom of cabinet bulk reactor, then by the upper spacer 12 at cabinet body rear portion after incoming line cabinet
Heat is discharged eventually by blower 10 at the top of cabinet body for the heat dissipation channel that portion is separated out；
Second heat dissipation paths are unit heat dissipation channels, and incoming line cabinet and outgoing line cabinet membrane capacitance electrolysis cells are mounted on heat dissipation
Device, radiator bottom are equipped with blowing blower, ventilation slot 11 are formed with above radiator on corresponding top plate, by blower of drying
Blown film capacitor electrolysis cells play the effect of radiating to power device IGBT heat dissipation and membrane capacitance；Unit is individually dissipated
Hot-flow flue design alleviates the heat dissipation burden of cabinet body integral air duct on the whole, more effectively will can need to be discharged the heat of cabinet body
The cabinet body that sheds is measured, substantially increases the service life of cabinet body, while also stabilizing the operating ambient temperature of cabinet body；
Third heat dissipation paths are that capacitance component carries air duct, and capacitance component 14 is arranged capacitor heat by included blower
Out, then it is connected by heat release hole made on lower clapboard 15 with the cabinet body integral heat sink channel at cabinet body rear portion, heat is by cabinet
The main heat dissipation channel of body is discharged by bottom of cabinet bulk, meanwhile, heat can also pass through the blower of cabinet top with the main heat dissipation channel of cabinet body
The heat of capacitance component is discharged, binary channels, the effect of double-radiation function are played.
Blower 10 at the top of cabinet body can be forced draft fans, is also possible to blower of drying, cabinet body can be allowed to reach fine
Heat dissipation effect.
This cabinet body mounting means:
Firstly, successively organizing blocking, incoming line cabinet, outgoing line cabinet, debugging cabinet, integral cabinet body frame is organized；
Then, lower clapboard, upper spacer, structural member and the mother in Installation cabinet are distinguished on the basis of in whole cabinet body frame
Row；
Finally, installation top plate, and the backplate of cabinet body periphery, structure is adjusted, cabinet body installation is completed.
Structure is simple, easy for installation easy to operate.
It is compact to debug cabinet internal structure, is integrally divided into former and later two portions from top to bottom using central post in interior of the cabinet
Point, all electricity pieces are arranged in the top half of cabinet body front, maintains easily and reactance is placed in commissioning test, the bottom of cabinet body
Device assembly.
Although disclosing the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be managed
Solution: do not departing from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the present invention is not limited to the embodiment and attached drawing disclosure of that.
Claims (8)
1. a kind of high-power test platform cabinet body structure, it is characterised in that: including pedestal, incoming line cabinet, outgoing line cabinet, debugging cabinet and mother
Line row is successively fixed with incoming line cabinet, outgoing line cabinet and debugging cabinet in pedestal upper end, in incoming line cabinet, outgoing line cabinet side by side from the front to the back
And debugging cabinet upper end is fixed with the top plate of horizontal cross perforation, is equipped with inside incoming line cabinet, outgoing line cabinet and debugging cabinet
The a plurality of bus bar being laterally or longitudinally interconnected；Interior of the cabinet specific structure: after cable accesses cabinet body by incoming line cabinet, direct current
Electric current enters membrane capacitance electrolysis cells after capacitor EMC filtering, from inlet wire cabinet body rear portion by vertical busbar, and electric current is by electricity
Cable is connected with the negative inlet wire of reactor respectively；Multi-path electricity stream passes through cable respectively and is connected with the negative inlet wire of multiple reactors, then passes through
Reactor conversion, electric current are flowed out from reactor negative terminal, are connect by big line cable with the public positive busbar in cabinet body rear portion；From it is public just
Positive and negative outgoing line busbar is drawn in negative busbar respectively, loads the interface being connected as with outside.
2. high-power test platform cabinet body structure according to claim 1, it is characterised in that: in incoming line cabinet from top to bottom according to
Minor tick is equipped with upper spacer, middle partition and lower clapboard, is formed respectively with heat release hole on upper spacer, middle partition and lower clapboard
Or ventilating duct；It is coated in the surrounding of incoming line cabinet, outgoing line cabinet and debugging cabinet and backplate is installed.
3. high-power test platform cabinet body structure according to claim 2, it is characterised in that: in the incoming line cabinet and outgoing line cabinet
Membrane capacitance electrolysis cells are mounted on, incoming line cabinet membrane capacitance electrolysis cells draw multichannel respectively and busbar, outgoing line cabinet membrane capacitance occur
Electrolysis cells draw multichannel outgoing line busbar respectively, and multichannel outgoing line busbar is in the extraction of the middle part of incoming line cabinet and outgoing line cabinet and difference
It corresponds identical.
4. high-power test platform cabinet body structure according to claim 1, it is characterised in that: incoming line cabinet and outlet cabinet phase
Seemingly, portion's installation power unit core component on the cabinet partially places capacitance component, inlet-outlet line busbar, lower part before cabinet body lower part
Latter half places reactor assemblies.
5. high-power test platform cabinet body structure according to claim 1, it is characterised in that: incoming line cabinet is provided with a capacitor
Component, positive and negative busbar are connected with negative, positive public busbar respectively；Outgoing line cabinet is built-in there are two capacitance component, outgoing line cabinet just,
Negative busbar is connected with negative, positive public busbar respectively, and is connected respectively with top resistive.
6. high-power test platform cabinet body structure according to claim 1, it is characterised in that: it is logical to be equipped with three heat dissipations in cabinet body
Road:
First heat dissipation paths are cabinet body integral heat sink channels, and wind enters cabinet by ventilation hole made on cabinet body nose plate
Body takes away reactor heat by bottom of cabinet bulk reactor, then passes through the heat dissipation channel at cabinet body rear portion, eventually by cabinet
Heat is discharged blower at the top of body；
Second heat dissipation paths are unit heat dissipation channels, and incoming line cabinet and outgoing line cabinet membrane capacitance electrolysis cells are mounted on radiator,
Radiator bottom is equipped with blowing blower, ventilation slot is formed on corresponding top plate above radiator, by blower blown film of drying
Capacitor electrolysis cells play the effect of radiating to power device IGBT heat dissipation and membrane capacitance；
Third heat dissipation paths are that capacitance component carries air duct, and capacitor heat is discharged by included blower for capacitance component, so
It is connected afterwards by heat release hole made on lower clapboard with the cabinet body integral heat sink channel at cabinet body rear portion, heat is by the main heat dissipation of cabinet body
Channel is discharged by bottom of cabinet bulk, or is discharged by the blower of cabinet top.
7. high-power test platform cabinet body structure according to claim 6, it is characterised in that: the blower at the top of cabinet body is air draught
Blower or blowing blower.
8. high-power test platform cabinet body structure according to claim 1, it is characterised in that: cabinet body installation steps are as follows:
Firstly, successively organizing blocking, incoming line cabinet, outgoing line cabinet, debugging cabinet, integral cabinet body frame is organized；
Then, lower clapboard, upper spacer, structural member and the busbar in Installation cabinet are distinguished on the basis of in whole cabinet body frame；
Finally, installation top plate, and the backplate of cabinet body periphery, structure is adjusted, cabinet body installation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152409.4A CN105785280B (en) | 2016-03-17 | 2016-03-17 | A kind of high-power test platform cabinet body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152409.4A CN105785280B (en) | 2016-03-17 | 2016-03-17 | A kind of high-power test platform cabinet body structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105785280A CN105785280A (en) | 2016-07-20 |
| CN105785280B true CN105785280B (en) | 2019-04-16 |
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ID=56392935
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| CN203434451U (en) * | 2013-09-06 | 2014-02-12 | 河北旭辉电气股份有限公司 | Combined-type SVG power cabinet |
| CN203896199U (en) * | 2014-05-26 | 2014-10-22 | 扬州博尔特电气技术有限公司 | Large-power high-efficiency energy-saving soft-melting power supply based on series-parallel type high-voltage frequency conversion technology |
| CN204315976U (en) * | 2014-12-12 | 2015-05-06 | 天津电气科学研究院有限公司 | A kind of cabinet of binary channels heat radiation |
| CN204316307U (en) * | 2014-12-12 | 2015-05-06 | 天津电气科学研究院有限公司 | A kind of high-power photovoltaic cabinet cabinet |
| CN205720602U (en) * | 2016-03-17 | 2016-11-23 | 天津电气科学研究院有限公司 | A kind of high-power test platform cabinet body structure |
-
2016
- 2016-03-17 CN CN201610152409.4A patent/CN105785280B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203434451U (en) * | 2013-09-06 | 2014-02-12 | 河北旭辉电气股份有限公司 | Combined-type SVG power cabinet |
| CN203896199U (en) * | 2014-05-26 | 2014-10-22 | 扬州博尔特电气技术有限公司 | Large-power high-efficiency energy-saving soft-melting power supply based on series-parallel type high-voltage frequency conversion technology |
| CN204315976U (en) * | 2014-12-12 | 2015-05-06 | 天津电气科学研究院有限公司 | A kind of cabinet of binary channels heat radiation |
| CN204316307U (en) * | 2014-12-12 | 2015-05-06 | 天津电气科学研究院有限公司 | A kind of high-power photovoltaic cabinet cabinet |
| CN205720602U (en) * | 2016-03-17 | 2016-11-23 | 天津电气科学研究院有限公司 | A kind of high-power test platform cabinet body structure |
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|---|---|
| CN105785280A (en) | 2016-07-20 |
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Effective date of registration: 20201030 Address after: 300180, No. 174 Jintang Road, Hedong District, Tianjin Patentee after: TIANJIN RESEARCH INSTITUTE OF ELECTRIC SCIENCE Co.,Ltd. Patentee after: Tianjin Tianchuan electric drive Co.,Ltd. Patentee after: TIANJIN TRIED NEW ENERGY ELECTRIC Co.,Ltd. Address before: 300180, No. 174 Jintang Road, Hedong District, Tianjin Patentee before: TIANJIN RESEARCH INSTITUTE OF ELECTRIC SCIENCE Co.,Ltd. |