CN113097871B - Over-and-under type switch board convenient to heat dissipation removes damp - Google Patents
Over-and-under type switch board convenient to heat dissipation removes damp Download PDFInfo
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- CN113097871B CN113097871B CN202110435630.1A CN202110435630A CN113097871B CN 113097871 B CN113097871 B CN 113097871B CN 202110435630 A CN202110435630 A CN 202110435630A CN 113097871 B CN113097871 B CN 113097871B
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- box body
- outer box
- heat dissipation
- lifting
- inner box
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/40—Wall-mounted casings; Parts thereof or accessories therefor
- H02B1/42—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a lifting type power distribution cabinet convenient for heat dissipation and dehumidification, which comprises an outer box body and an inner box body, wherein the inner box body is movably arranged in the outer box body, the outer box body is arranged by lifting up and down outside the inner box body, external vent holes are arranged in a rectangular array manner on the upper part of the inner box body, a heat dissipation and dehumidification pipe is fixedly arranged at the bottom of a supporting plate, the heat dissipation and dehumidification pipe is movably inserted into a blocking vent pipe, the blocking vent pipe is fixedly arranged at the bottom of the outer box body, a driven bevel gear is meshed with a driving bevel gear, the driving bevel gear is fixedly arranged on a driving shaft of an air cup, when the power distribution cabinet is isolated from the external environment, the interior of an accessory cabinet body can perform dehumidification and heat dissipation work of up-down internal circulation in a closed state, when the power distribution cabinet is communicated with the external environment, external air enters the interior of a power distribution cabinet body from top to bottom, so that the temperature reduction operation is effectively performed, meanwhile, the lifting of the outer box body does not need manual control, and the intelligent degree of the device is greatly improved.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a lifting type power distribution cabinet convenient for heat dissipation and dehumidification.
Background
A cooling removes damp drawer type switch board that application number is "CN201610615058.6" among the prior art, this cooling removes damp drawer type switch board include the switch board body, install the drawer electricity cabinet on the switch board body, be provided with the louvre on the electric cabinet bottom plate of drawer, drawer electricity cabinet below is provided with the heat dissipation drawer, be provided with slide rail one on the heat dissipation drawer curb plate, drawer electricity cabinet curb plate lower part inboard is provided with slide rail one matched with slide rail two, install radiator fan on the heat dissipation drawer bottom plate, be provided with the baffle in the heat dissipation drawer, be provided with the ventilation hole on the baffle, the drier has been placed on the baffle, be provided with temperature sensor and humidity transducer in the electric cabinet of drawer, radiator fan has the controller, the controller is connected with temperature sensor and humidity transducer electricity respectively, and above-mentioned device sets up the heat dissipation drawer under the electric cabinet of drawer to set up radiator fan and drier in the heat dissipation drawer, can effectually remove damp to the electric cabinet of drawer.
But above-mentioned this cooling removes damp drawer type switch board still has comparatively obvious defect in the use: 1. the device realizes the cooling and dehumidifying of the interior of the power distribution cabinet through the arrangement of the cooling and dehumidifying drawer, but because the heat dissipation holes are only arranged on the drawer, the positions of the power distribution cabinet far away from the two ends of the cooling and dehumidifying drawer can not be fully cooled, thereby influencing the uniform heat dissipation of all areas of the power distribution cabinet; 2. the device is at heat dissipation and dehumidification in-process, gaseous inner loop has only been realized, because the switch board is under operating condition, inside temperature all is higher than external environment temperature under the overwhelming majority condition, and carry out all the time and external confined inner loop not big to the continuous radiating effect of switch board, nevertheless in order to guarantee that the switch board is inside not influenced by precipitation in the external environment and the humidity increases, need keep again in the switch board use with external environment's closure, therefore to dehumidification and heat dissipation, must carry out corresponding accepting or rejecting between the two, this kind of drawback becomes the ubiquitous problem of switch board at present.
Disclosure of Invention
The invention aims to provide a lifting type power distribution cabinet convenient for heat dissipation and moisture removal so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a lifting power distribution cabinet convenient for heat dissipation and dehumidification comprises an outer box body and an inner box body, wherein the inner box body is movably mounted in the outer box body, the outer box body is arranged outside the inner box body in a lifting mode, external ventilation openings are arranged in a rectangular array mode on the upper portion of the inner box body, a supporting plate is arranged on the lower portion of the inner box body, a heat dissipation and dehumidification pipe is fixedly mounted at the bottom of the supporting plate, the heat dissipation and dehumidification pipe is movably inserted into the plugging ventilation pipe, the plugging ventilation pipe is fixedly mounted at the bottom of the outer box body, inner circulation holes which are movably matched are formed in the side walls of the plugging ventilation pipe and the heat dissipation and dehumidification pipe, a ventilation hole is formed in the bottom of the heat dissipation and dehumidification pipe, a ventilation hole plugging ring is fixedly mounted at the bottom of the plugging ventilation pipe and is movably matched with the ventilation hole, a circulation dehumidification channel is arranged on the supporting plate, a circulation fan is fixedly mounted in the circulation and dehumidification channel, drying agents are filled in the supporting plate in the circulation channel, the circulation and dehumidification channel is communicated with a circulation air outlet through a channel arranged in the inner box body, the circulation channel is arranged at two sides in the inner box body, the circulation channel is arranged at the inner box body, the rectangular array mode, a traction spring is fixedly arranged at the bottom of the outer box body, and the other end of the traction spring is fixedly connected to the outer box body;
the double-metal-sheet-spring wind wheel is characterized in that lifting racks are fixedly mounted on two sides of the inner box body, the lifting racks are movably arranged on two sides of the outer box body and are arranged in lifting grooves formed in the side edges of the outer box body, driving lifting gears are movably arranged on two sides of the lifting grooves, the driving lifting gears are meshed with the lifting racks and are fixedly mounted on wheel shafts of driven pulleys, the driven pulleys are connected with the driving pulleys through wheel belts, the driving pulleys are fixedly mounted on the same connecting rod shaft, driven bevel gears are fixedly mounted on the connecting rod shaft and are meshed with the driving bevel gears, the driving bevel gears are fixedly mounted on driving shafts of wind cups, the wind cups are movably mounted at the bottom of the outer box body through rotating shafts, tensioning wheels are arranged on one sides of the wheel belts in a matched mode, the tensioning wheels are movably mounted on prying connecting rods, the prying connecting rods are movably mounted on two sides of the outer box body, one ends, far away from the tensioning wheels, of the prying connecting rods, are connected to the same traction rod, a plurality of double-metal-sheet springs are uniformly mounted on the traction rods at intervals, one ends of the double-sheet-metal springs are fixedly connected to the outer box body, and focus lenses with the same number of the double-sheet springs are correspondingly arranged on the outer box body.
Preferably, an access door is movably arranged on the outer box body.
Preferably, the top of the inner box body is fixedly provided with a slope-shaped solar rain baffle, the solar rain baffle is connected with a battery module arranged in the inner box body, and the battery module is electrically connected with the circulating fan.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the power distribution cabinet, the air inlet and the air outlet are reasonably arranged, so that the interior of the accessory cabinet body can perform vertical internal circulation dehumidification and heat dissipation work in a closed state, uniform and effective dehumidification and heat dissipation work in the interior of the power distribution cabinet body is guaranteed, when weather is hot and the external air flow rate is high, the external air enters the interior of the power distribution cabinet body from top to bottom to be communicated with the external environment through the descending of the outer box body, so that cooling operation is effectively performed, the path of internal air circulation is changed when the outer box body is opened and closed with the external environment, and therefore effective performance of heat dissipation and dehumidification is guaranteed;
2. according to the invention, through the arrangement of the bimetallic spring, after the bimetallic spring is heated by light rays gathered by the focusing lens, the bimetallic spring is heated and shrunk to drive the tensioning wheel to tension, if the external air flow rate is higher, the air drives the wind cup to rotate so as to drive the outer box body to descend, through the arrangement of the mechanical structure, the internal part and the external part of the power distribution cabinet are communicated when the external part is in a dry state and the wind power is enough, so that the heat dissipation and dehumidification of the internal part of the power distribution cabinet are further carried out, and the intelligent degree of the device is greatly improved.
According to the invention, through reasonably arranging the air inlet and the air outlet, when the power distribution cabinet is isolated from the external environment, the interior of the accessory cabinet body can perform vertical internal circulation dehumidification and heat dissipation work in a closed state, and when the power distribution cabinet is communicated with the external environment, external air enters the interior of the power distribution cabinet body from top to bottom, so that the cooling operation is effectively performed, meanwhile, the lifting of the outer box body does not need manual control, and the intelligent degree of the device is greatly improved.
Drawings
FIG. 1 is a disassembled schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the heat dissipating and dehumidifying pipe of the present invention;
FIG. 3 is a schematic representation of the inventive belt in a relaxed state;
FIG. 4 is a schematic representation of the present invention with the tire belt in a taut condition;
FIG. 5 is a schematic view of a lifter bar attachment of the present invention;
FIG. 6 is a schematic view of the external vent position of the present invention;
fig. 7 is a schematic view of the position of the wind cup of the present invention.
In the figure: the solar energy heat-dissipating and dehumidifying device comprises an outer box body 1, an inner box body 2, an outer ventilation opening 3, a supporting plate 4, a heat-dissipating and dehumidifying pipe 5, a plugging ventilation pipe 6, an inner circulation hole 7, a ventilation hole 8, a ventilation hole plugging ring 9, a circulation dehumidifying channel 10, a circulation fan 11, a circulation air outlet 12, a traction spring 13, a lifting rack 14, a lifting groove 15, a driving lifting gear 16, a driven pulley 17, a pulley belt 18, a driving pulley 19, a connecting rod shaft 20, a driven bevel gear 21, a driving bevel gear 22, a wind cup 23, a tension pulley 24, a prying connecting rod 25, a traction rod 26, a bimetallic spring 27, a focusing lens 28, an access door 29 and a sloping solar panel 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example (b):
referring to fig. 1-7, the present invention provides a technical solution:
a lifting power distribution cabinet convenient for heat dissipation and dehumidification comprises an outer box body 1 and an inner box body 2, wherein the inner box body 2 is fixedly arranged at the high position of a wall body or a telegraph pole in the using process, the inner box body 2 is movably arranged in the outer box body 1, various power distribution facilities are arranged in the inner box body 2, the outer box body 1 is arranged outside the inner box body 2 in a lifting mode, an external vent 3 is arranged on the upper portion of the inner box body 2 in a rectangular array mode, external gas enters the inner box body 2 through the external vent 3, heating gas generated in the inner box body 2 is taken away, the cooling and heat dissipation effects are achieved, a supporting plate 4 is arranged on the lower portion of the inner box body 2, a heat dissipation and dehumidification pipe 5 is fixedly arranged at the bottom of the supporting plate 4, the heat dissipation and dehumidification pipe 5 is movably inserted in a sealing vent pipe 6, the sealing vent pipe 6 is fixedly arranged at the bottom of the outer box body 1, inner circulation holes 7 which are movably matched with the side walls of the sealing vent pipe 6, a vent pipe 8 is arranged at the bottom of the heat dissipation and the vent pipe 5, a vent ring 9 is movably matched with the vent pipe 8 when the heat dissipation pipe 5 is opened, and the inner wall of the outer box body 1, and the outer box body is in a state, when the inner wall of the outer box body 1 is in the heat dissipation and the outer box body, the inner circulation hole, and the outer box body, and dehumidification pipe 5, and the outer box body, and the sealing pipe 5 are in the outer box body, and the outer box body, when the outer box body, the sealing pipe 5 are in the sealing state, the inner box body 2 is effectively and uniformly cooled, a circulating dehumidification channel 10 is arranged on the supporting plate 4, a circulating fan 11 is fixedly arranged in the circulating dehumidification channel 10, drying agents are filled in the supporting plate in the circulating dehumidification channel 10, the circulating dehumidification channel 10 is communicated with a circulating air outlet 12 through a channel arranged in the inner box body 2, the circulating air outlet 12 is arranged on two sides in the inner box body 2, the circulating air outlet 12 is arranged in a rectangular array mode in the inner box body 2, through the arrangement, it is further ensured that gas can uniformly act on each position in the inner box body 2 in the internal circulation process, a traction spring 13 is fixedly arranged at the bottom of the inner box body 2, the other end of the traction spring 13 is fixedly connected to the outer box body 1, the circulating fan 11 works to perform dehumidification and heat dissipation, and the drying agents in the circulating dehumidification channel 10 are used for dehumidifying the gas in the inner box body 2;
lifting racks 14 are fixedly mounted on two sides of the inner box body 2, the lifting racks 14 on two sides are movably arranged in lifting grooves 15 formed in the side edge of the outer box body 1, driving lifting gears 16 are movably arranged in the lifting grooves 15 on two sides, the driving lifting gears 16 on two sides are meshed with the lifting racks 14, the driving lifting gears 16 are fixedly mounted on wheel shafts of driven pulleys 17, the driven pulleys 17 are connected with driving pulleys 19 through belt pulleys 18, the driving pulleys 19 on two sides are fixedly mounted on the same connecting rod shaft 20, driven bevel gears 21 are fixedly mounted on the connecting rod shaft 20, the driven bevel gears 21 are meshed with the driving bevel gears 22, the driving bevel gears 22 are fixedly mounted on driving shafts of wind cups 23, the wind cups 23 are movably mounted at the bottom of the outer box body 1 through rotating shafts, tension pulleys 24 are arranged on one sides of the belt pulleys 18 in a matched mode, the tension pulleys 24 are movably mounted on prying connecting rods 25, the prying connecting rods 25 are movably mounted on two sides of the outer box body 1 through rotating shafts, one ends, far away from the tension pulleys 24, two ends of the prying connecting rods 25 are connected to the same traction rods 26, a plurality of bimetallic springs 27 are uniformly mounted on the traction rods 26 at intervals, one ends of the bimetallic springs are fixedly connected to the outer box body 1, and the bimetallic springs 28 are arranged in a same number with the bimetallic lenses corresponding to the bimetallic lenses 28 of the bimetallic springs.
The wind cup 23 is driven by external air flow to rotate, when external air is cold and cool, the bimetallic strip spring 27 contracts, the tensioning wheel 24 is not in contact with the belt 18, at the moment, the wind cup 23 rotates to not drive the driven pulley 17 to rotate, when sunlight irradiates the bimetallic strip spring 27 through the focusing lens 28, the bimetallic strip spring 27 is heated and contracts, at the moment, the tensioning wheel 24 tensions the belt 18, at the moment, the wind cup 23 rotates to synchronously drive the driven pulley 17 to rotate, the driven pulley 17 rotates to drive the driving lifting gear 16 to rotate, the driving lifting gear 16 rotates to drive the lifting rack 14 to descend, the lifting rack 14 descends to enable the outer box body 1 to descend, so that the external vent 3 is exposed in the air, at the moment, the air enters the inner box body through the external vent 3 and is discharged through the vent 8 at the bottom of the heat dissipation dehumidifying pipe 5, and then the heated air in the inner box body 2 is discharged.
Preferably, an access door 29 is movably provided on the outer case 1, and the electrical equipment installed in the inner case 2 is inspected by opening the access door 29.
Preferably, the slope-shaped solar rain shielding plate 30 is fixedly mounted at the top of the inner box body 2, the slope-shaped solar rain shielding plate 30 is connected with a battery module arranged in the inner box body 2, the battery module is electrically connected with the circulating fan 11, light energy is converted into electric energy through the slope-shaped solar rain shielding plate 30, and water accumulation on the upper portion of the inner box body 2 is prevented in rainy and snowy weather.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a over-and-under type switch board convenient to heat dissipation removes damp, includes outer box (1) and interior box (2), its characterized in that: the inner box body (2) is movably arranged in the outer box body (1), the outer box body (1) is arranged outside the inner box body (2) in an up-and-down lifting mode, external ventilation openings (3) are arranged in a rectangular array mode on the upper portion of the inner box body (2), a supporting plate (4) is arranged on the lower portion of the inner box body (2), a heat dissipation dehumidifying pipe (5) is fixedly arranged at the bottom of the supporting plate (4), the heat dissipation dehumidifying pipe (5) is movably inserted into the sealing ventilation pipe (6), the sealing ventilation pipe (6) is fixedly arranged at the bottom of the outer box body (1), movably matched inner circulation holes (7) are formed in the side walls of the sealing ventilation pipe (6) and the heat dissipation dehumidifying pipe (5), ventilation holes (8) are formed in the bottom of the heat dissipation dehumidifying pipe (5), ventilation holes (9) are fixedly arranged at the bottom of the sealing ventilation pipe (6), the ventilation holes (9) are movably matched with the ventilation holes (8), a circulation dehumidifying channel (10) is arranged on the supporting plate (4), a circulation dehumidifying fan (11) is fixedly arranged in the circulation dehumidifying channel (10), a drying agent is arranged on two sides of the circulation dehumidifying channel (12) and communicated with the inner circulation channel (12) through the air outlet (2), the circulating air outlets (12) are arranged in a rectangular array mode in the inner box body (2), a traction spring (13) is fixedly installed at the bottom of the inner box body (2), and the other end of the traction spring (13) is fixedly connected to the outer box body (1);
lifting racks (14) are fixedly arranged on two sides of the inner box body (2), the lifting racks (14) on two sides are movably arranged in lifting grooves (15) formed in the side edge of the outer box body (1), driving lifting gears (16) are also movably arranged in the lifting grooves (15) on two sides, the driving lifting gears (16) on two sides are meshed with the lifting racks (14), the driving lifting gears (16) are fixedly arranged on wheel shafts of driven pulleys (17), the driven pulleys (17) are connected with driving pulleys (19) through belt pulleys (18), the driving pulleys (19) on two sides are fixedly arranged on the same connecting rod shaft (20), driven pulleys (21) are fixedly arranged on the connecting rod shaft (20), the driven pulleys (21) are meshed with driving bevel gears (22), the driving bevel gears (22) are fixedly arranged on driving shafts of air cups (23), the air cups (23) are movably arranged at the bottom of the outer box body (1) through rotating shafts, tension pulleys (24) are arranged on one sides of the driving bevel gears (25) in a matching manner, one ends of the tension pulleys (25) are movably arranged on the two sides of the prying bevel gears (25), and one ends of the prying gears (25) are far away from the pull rod (26) of the outer box body (1), a plurality of bimetallic strip springs (27) are uniformly arranged on the traction rod (26) at intervals, one ends of the bimetallic strip springs (27) far away from the traction rod (26) are fixedly connected onto the outer box body (1), and focusing lenses (28) with the number (27) of the bimetallic strip springs are correspondingly arranged on the outer box body (1).
2. The lifting power distribution cabinet convenient for heat dissipation and moisture removal of claim 1, wherein: an access door (29) is movably arranged on the outer box body (1).
3. The lifting power distribution cabinet convenient for heat dissipation and moisture removal of claim 1, wherein: interior box (2) top fixed mounting has slope shape solar energy weather shield (30), slope shape solar energy weather shield (30) are connected with the battery module that sets up in interior box (2), battery module and circulating fan (11) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110435630.1A CN113097871B (en) | 2021-04-22 | 2021-04-22 | Over-and-under type switch board convenient to heat dissipation removes damp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110435630.1A CN113097871B (en) | 2021-04-22 | 2021-04-22 | Over-and-under type switch board convenient to heat dissipation removes damp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113097871A CN113097871A (en) | 2021-07-09 |
| CN113097871B true CN113097871B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110435630.1A Active CN113097871B (en) | 2021-04-22 | 2021-04-22 | Over-and-under type switch board convenient to heat dissipation removes damp |
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| CN (1) | CN113097871B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114245640B (en) * | 2021-12-16 | 2023-07-25 | 安徽庆宇光电科技有限公司 | Expandable chassis structure and air quality detector thereof |
| CN117394168B (en) * | 2023-09-11 | 2024-03-08 | 湖北兴盛通电气设备有限公司 | Power distribution switch control device |
| CN117650450B (en) * | 2024-01-26 | 2024-04-09 | 山西富垦电气有限责任公司 | Block terminal with dehumidification function |
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| CN111181021B (en) * | 2020-01-19 | 2021-07-16 | 山东吉正电气科技有限公司 | Overheated self-opening switch board based on hot sheetmetal |
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| KR20190090586A (en) * | 2018-01-25 | 2019-08-02 | 주식회사 희성 | Temperature Rise Preventing Structure for Power Distribution System |
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| CN113097871A (en) | 2021-07-09 |
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Effective date of registration: 20221024 Address after: Room 717, Building A2, No. 388, Longyan Avenue Middle, Longteng Community, Xipi Street, Xinluo District, Longyan City, Fujian Province, 364000 Applicant after: Fujian Guangyu Power Equipment Co.,Ltd. Address before: Chengdu Shuangliu power transmission and distribution engineering company, No.105, cangwei Road, Chengguan Town, Shuangliu District, Chengdu, Sichuan 610200 Applicant before: Dong Zhiyang |
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