CN107196203B - A kind of power distribution cabinet - Google Patents
A kind of power distribution cabinet Download PDFInfo
- Publication number
- CN107196203B CN107196203B CN201710614623.1A CN201710614623A CN107196203B CN 107196203 B CN107196203 B CN 107196203B CN 201710614623 A CN201710614623 A CN 201710614623A CN 107196203 B CN107196203 B CN 107196203B
- Authority
- CN
- China
- Prior art keywords
- electric cylinders
- cabinet body
- rod
- fan
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010616 electrical installation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- H02B1/38—Hinged covers or doors
-
- 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
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The present invention provides a kind of power distribution cabinet, including cabinet body, cabinet door, electrical mounting rack, side radiation mechanism of fan, central branches strut, cross bar etc., it is characterized by: the cabinet door is hingedly mounted on cabinet body, electrical mounting rack is installed in bottom of cabinet bulk, a U-shaped air outlet is respectively provided on the wall surface of left and right two of cabinet body, the left and right sides is respectively provided with a sliding slot outside U-shaped air outlet, rubber corrugated plate is equipped in sliding slot, the upper and lower ends of rubber corrugated plate are fixedly connected with cabinet body outer wall；The present invention, can be for convection heat dissipation to electrical equipment by setting side radiation mechanism of fan, and the ducted fan B of side radiation mechanism of fan can bob and weave, and can be radiated by force to each position of electrical equipment.
Description
Technical field
The present invention relates to electric power and power distribution cabinet technical field, in particular to a kind of power distribution cabinet.
Background technique
Power distribution cabinet on the market only arranges the radiator fan of the outside exhausting of several fixations on the shell mostly now, only
The air in power distribution cabinet can be allowed to do part flowing outward, cannot accomplish that inside air heat dissipation recycles and what outer loop combined dissipates
A kind of thermal effect, it is therefore desirable to power distribution cabinet with better heat dissipation effect.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of power distribution cabinet, it, can be to electrical by the way that side radiation mechanism of fan is arranged
Equipment is for convection heat dissipation, and the ducted fan B of side radiation mechanism of fan can bob and weave, can be each to electrical equipment
It is radiated by force at position；Two ducted fan A mono- inwardly air-supply, another outside air draft, in the same of ducted fan A work
Shi Peihe electric cylinders A and electric cylinders D linkage telescopic make the wind direction of ducted fan A blow to different directions, further enhance heat dissipation
Effect.
Technical solution used in the present invention is: a kind of power distribution cabinet, including cabinet body, cabinet door, electrical mounting rack, side fan
Cooling mechanism, central branches strut, cross bar, electric cylinders A, longitudinal rod, slideway, rubber corrugated plate, sliding slot, flange, rubber bellows, L
Shape support frame, end flange, ducted fan A, guide rail, electric cylinders B, sliding rail, pin shaft, stepper motor, runner, connecting rod, oscillating rod, electricity
Cylinder C, bracket, swinging axle, telescopic rod, ducted fan B, U-shaped air outlet, it is characterised in that: the cabinet door is hingedly mounted on cabinet
On body, electrical mounting rack is installed in bottom of cabinet bulk, is respectively provided with a U-shaped air outlet on the wall surface of left and right two of cabinet body, U-shaped goes out
The left and right sides is respectively provided with a sliding slot outside air port, and rubber corrugated plate, the upper and lower ends of rubber corrugated plate are equipped in sliding slot
It is fixedly connected with cabinet body outer wall, is equipped with a circular hole in the middle position of rubber corrugated plate, flange is installed on circular hole, outside flange
Portion is equipped with rubber bellows, and end flange is equipped with outside rubber bellows, and a duct wind is equipped among end flange
A is fanned, the left and right sides and lower part of end flange are respectively provided with a ball hinge；L shape support frame, L shape branch are equipped in flange upper end
Also is provided with ball hinge on support, be respectively provided with an electric cylinders D in the left and right sides of U-shaped air outlet and lower part, the rear end of electric cylinders D with
Cabinet body outer wall is connected by flexural pivot, the ball hinge connection on the corresponding end flange excircle in the piston rod end of electric cylinders D；
Central branches strut is equipped with above cabinet body center, central branches strut and cross bar middle position are hinged, and cross bar left and right ends are each
A longitudinal rod hingedly is installed, the lower end of longitudinal rod and the ball hinge above L shape support frame are hinged, also cut with scissors at the top of cabinet body
It connects and an electric cylinders A is installed, the upper end and longitudinal rod upper end of electric cylinders A is hinged；The cabinet body inner left wall is equipped with side
Face radiation mechanism of fan, the side radiation mechanism of fan include guide rail, electric cylinders B, sliding rail, pin shaft, stepper motor, runner,
Connecting rod, oscillating rod, electric cylinders C, bracket, swinging axle, telescopic rod, ducted fan B, the guide rail are vertically installed in cabinet body left side
On wall, sliding rail is slidably fitted on guide rail, sliding up and down for sliding rail is controlled by the electric cylinders B being mounted on guide rail, sliding rail
Outside is equipped with a charge off axis, and totally 6, every pin shaft outside is equipped with an electric cylinders C, the rear end electric cylinders C and pin shaft and passes through bearing turn
Dynamic connection is equipped with bracket in the piston rod front end of electric cylinders C, and bracket front end is equipped with horizontal swinging axle, swinging axle both ends with
Holder pivots connection, swinging axle centre are equipped with a circular hole perpendicular to the axis；The stepper motor is mounted below sliding rail,
Runner is installed on the motor shaft of stepper motor, an eccentric shaft is installed at the eccentric position of runner, eccentric shaft and connecting rod
Rear end rotation connection；An oscillating rod is designed on each pin shaft, it is sliding that the oscillating rod middle position is equipped with a rectangle
Slot, oscillating rod are cooperated by the rectangle sliding slot and pin slide, and adjacent two oscillating rods head and the tail are connected by articulated shaft, most lower
The oscillating rod in portion and connecting rod are hinged；The articulated shaft outer end of two oscillating rod connecting places is equipped with a ball hinge, the pendulum of the top
Lever outer end also is provided with ball hinge, and a telescopic rod is fitted on each hinged ball free bearing, wherein the telescopic rod sliding in left side
It is mounted in the circular hole for the swinging axle that sequence is followed successively by 1,3,5, the telescopic rod sliding on right side is followed successively by 2,4 swing positioned on sequence
In the circular hole of axis, the rule of swinging axle sequence is to be sequentially increased from top to bottom, and the lower end of each telescopic rod is fitted with one
Ducted fan B.
The invention has the advantages that: 1. present invention by setting side radiation mechanism of fan, can carry out to electrical equipment pair
The ducted fan B of flow heat dissipation, side radiation mechanism of fan can bob and weave, and can carry out to each position of electrical equipment strong
Heat dissipation.
2. two ducted fan A mono- inwardly air-supply, another outside air draft are matched while ducted fan A work
Closing electric cylinders A and electric cylinders D linkage telescopic makes the wind direction of ducted fan A blow to different directions, further enhances heat dissipation effect.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is rubber corrugated plate scheme of installation of the invention.
Fig. 3 is side radiation mechanism of fan schematic diagram of the invention.
Fig. 4 is U-shaped air outlet structure schematic diagram of the invention.
Drawing reference numeral: 1- cabinet body；2- cabinet door；The electrical mounting rack of 3-；The side 4- radiation mechanism of fan；5- central branches strut；
6- cross bar；7- electric cylinders A；8- longitudinal rod；9- electric cylinders D；10- rubber corrugated plate；11- sliding slot；12- flange；13- rubber bellows；
14-L shape support frame；15- end flange；16- ducted fan A；17- guide rail；18- electric cylinders B；19- sliding rail；20- pin shaft；21- step
Into motor；22- runner；23- connecting rod；24- oscillating rod；25- electric cylinders C；26- bracket；27- swinging axle；28- telescopic rod；29- duct
Fan B；30-U shape air outlet.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of power distribution cabinet, including cabinet body 1, cabinet door 2, electrical mounting rack 3, side fan
Cooling mechanism 4, central branches strut 5, cross bar 6, electric cylinders A7, longitudinal rod 8, slideway, rubber corrugated plate 10, sliding slot 11, flange 12, rubber
Glue bellows 13, L shape support frame 14, end flange 15, ducted fan A16, guide rail 17, electric cylinders B18, sliding rail 19, pin shaft 20, step
Into motor 21, runner 22, connecting rod 23, oscillating rod 24, electric cylinders C25, bracket 26, swinging axle 27, telescopic rod 28, ducted fan B29,
U-shaped air outlet 30, it is characterised in that: the cabinet door 2 is hingedly mounted on cabinet body 1, is equipped with electrical installation in 1 bottom of cabinet body
Frame 3, a U-shaped air outlet 30 is respectively provided on the wall surface of left and right two of cabinet body 1, and the 30 outside left and right sides of U-shaped air outlet is respectively provided with
One sliding slot 11, is equipped with rubber corrugated plate 10 in sliding slot 11, and upper and lower ends and 1 outer wall of cabinet body of rubber corrugated plate 10 are fixed
Connection is equipped with a circular hole in the middle position of rubber corrugated plate 10, is equipped with flange 12 on circular hole, is equipped with outside flange 12
Rubber bellows 13 are equipped with end flange 15 outside rubber bellows 13, a duct wind are equipped among end flange 15
A16 is fanned, the left and right sides and lower part of end flange 15 are respectively provided with a ball hinge；L shape support frame is equipped in 12 upper end of flange
It also is provided with ball hinge on 14, L shape support frames 14, is respectively provided with an electric cylinders D9 in the left and right sides of U-shaped air outlet 30 and lower part, electricity
The rear end of cylinder D9 is connect with 1 outer wall of cabinet body by flexural pivot, outside the corresponding end flange 15 in the piston rod end of electric cylinders D9
Ball hinge connection on circumference；Central branches strut 5 is equipped with above 1 center of cabinet body, among central branches strut 5 and cross bar 6
Position is hinged, and 6 left and right ends of cross bar are each to be hingedly equipped with a longitudinal rod 8, on the lower end of longitudinal rod 8 and L shape support frame 14
The ball hinge of side is hinged, and an electric cylinders A7, the upper end and 8 upper end of longitudinal rod of electric cylinders A7 are also hingedly equipped at the top of cabinet body 1
Portion is hinged；1 inner left wall of cabinet body is equipped with side radiation mechanism of fan 4, and the side radiation mechanism of fan 4 includes
Guide rail 17, electric cylinders B18, sliding rail 19, pin shaft 20, stepper motor 21, runner 22, connecting rod 23, oscillating rod 24, electric cylinders C25, bracket
26, swinging axle 27, telescopic rod 28, ducted fan B29, the guide rail 17 is vertically installed in 1 inner left wall of cabinet body, in guide rail
Sliding rail 19 is slidably fitted on 17, sliding up and down for sliding rail 19 is controlled by the electric cylinders B18 being mounted on guide rail 17, sliding rail 19
Outside is equipped with a charge off axis 20, and totally 6, an electric cylinders C25, the rear end electric cylinders C25 and pin shaft 20 are equipped with outside every pin shaft 20
It is rotatablely connected by bearing, bracket 26 is installed in the piston rod front end of electric cylinders C25,26 front end of bracket is equipped with horizontal swing
Axis 27,27 both ends of swinging axle and bracket 26 are rotatablely connected, and a circular hole perpendicular to the axis is equipped among swinging axle 27；Described
Stepper motor 21 is mounted on 19 lower section of sliding rail, is equipped with runner 22, the eccentric position of runner 22 on the motor shaft of stepper motor 21
Place is equipped with an eccentric shaft, the rear end rotation connection of eccentric shaft and connecting rod 23；A swing is designed on each pin shaft 20
Bar 24,24 middle position of oscillating rod are equipped with a rectangle sliding slot, and oscillating rod 24 is sliding by the rectangle sliding slot and pin shaft 20
Dynamic cooperation, two adjacent 24 head and the tail of oscillating rod are connected by articulated shaft, and the oscillating rod 24 and connecting rod 23 of lowest part are hinged；Two
The articulated shaft outer end of 24 connecting place of oscillating rod is equipped with a ball hinge, and 24 outer end of oscillating rod of the top also is provided with flexural pivot
, it is fitted with a telescopic rod 28 on each hinged ball free bearing, wherein the telescopic rod 28 in left side is slidably mounted on sequence and is followed successively by
1, in the circular hole of 3,5 swinging axle 27, the sliding of telescopic rod 28 on right side is followed successively by the circular hole of 2,4 swinging axle 27 positioned on sequence
In, the rule that swinging axle 27 sorts is to be sequentially increased from top to bottom, and the lower end of each telescopic rod 28 is fitted with a duct
Fan B29.
Working principle of the present invention: electrical equipment is mounted on electrical mounting rack 3 by the present invention first when in use, then will
Cabinet door 2 is shut, and is then started two ducted fan A16 and is radiated, the inwardly air-supply of two ducted fan A16 mono-, and in addition one
A outside air draft, cooperation electric cylinders A7 and electric cylinders D9 linkage telescopic make the wind of ducted fan A16 while ducted fan A16 work
To different directions is blowed to, side radiation mechanism of fan 4 is then passed through in power distribution cabinet internal heat dissipating for electrical equipment, it is carried out
Heat dissipation after starting stepper motor 21, drives oscillating rod 24 to swing, oscillating rod 24 drives telescopic rod 28 to put by runner 22 and connecting rod 23
It is dynamic, ducted fan B29 is opened in next step, is radiated to electrical equipment.
Claims (1)
1. a kind of power distribution cabinet, including cabinet body (1), cabinet door (2), electrical mounting rack (3), side radiation mechanism of fan (4), central branches
Strut (5), cross bar (6), electric cylinders A(7), longitudinal rod (8), slideway, rubber corrugated plate (10), sliding slot (11), flange (12), rubber
Bellows (13), L shape support frame (14), end flange (15), ducted fan A(16), guide rail (17), electric cylinders B(18), sliding rail
(19), pin shaft (20), stepper motor (21), runner (22), connecting rod (23), oscillating rod (24), electric cylinders C(25), bracket (26), pendulum
Moving axis (27), telescopic rod (28), ducted fan B(29), U-shaped air outlet (30), it is characterised in that: the cabinet door (2) is hinged
It is mounted on cabinet body (1), is equipped with electrical mounting rack (3) in cabinet body (1) bottom, respectively set on the wall surface of left and right two of cabinet body (1)
There is a U-shaped air outlet (30), the external left and right sides of U-shaped air outlet (30) is respectively provided with a sliding slot (11), in sliding slot (11)
It is equipped with rubber corrugated plate (10), the upper and lower ends of rubber corrugated plate (10) are fixedly connected with cabinet body (1) outer wall, in rubber corrugated
The middle position of plate (10) is equipped with a circular hole, is equipped with flange (12) on circular hole, is equipped with rubber corrugated outside flange (12)
It manages (13), is equipped with end flange (15) outside rubber bellows (13), a duct wind is installed among end flange (15)
Fan A(16), the left and right sides and lower part of end flange (15) are respectively provided with a ball hinge；L shape is equipped in flange (12) upper end
Support frame (14) also is provided with ball hinge on L shape support frame (14), is respectively provided in the left and right sides of U-shaped air outlet (30) and lower part
One electric cylinders D(9), electric cylinders D(9) rear end connect with cabinet body (1) outer wall by flexural pivot, electric cylinders D(9) piston rod end with
Ball hinge connection on its corresponding end flange (15) excircle；Central branches strut is equipped with above cabinet body (1) center
(5), central branches strut (5) and cross bar (6) middle position are hinged, and cross bar (6) left and right ends are each to be hingedly equipped with a longitudinal rod
(8), the lower end of longitudinal rod (8) and the ball hinge above L shape support frame (14) are hinged, the also hinged installation at the top of cabinet body (1)
Have an electric cylinders A(7), electric cylinders A(7) upper end and longitudinal rod (8) upper end it is hinged；In described cabinet body (1) inner left wall
Equipped with side radiation mechanism of fan (4), the side radiation mechanism of fan (4) includes guide rail (17), electric cylinders B(18), sliding rail
(19), pin shaft (20), stepper motor (21), runner (22), connecting rod (23), oscillating rod (24), electric cylinders C(25), bracket (26), pendulum
Moving axis (27), telescopic rod (28), ducted fan B(29), the guide rail (17) is vertically installed in cabinet body (1) inner left wall,
It is slidably fitted on guide rail (17) sliding rail (19), the electric cylinders B of sliding rail (19) slided up and down by being mounted on guide rail (17)
(18) it controls, the outside of sliding rail (19) is equipped with a charge off axis (20), and totally 6, every pin shaft (20) is external to be equipped with an electric cylinders C
(25), electric cylinders C(25) rear end and pin shaft (20) are rotatablely connected by bearing, in the installation of the piston rod front end of electric cylinders C(25)
Having bracket (26), bracket (26) front end is equipped with horizontal swinging axle (27), and swinging axle (27) both ends and bracket (26) are rotatablely connected,
A circular hole perpendicular to the axis is equipped among swinging axle (27)；The stepper motor (21) is mounted below sliding rail (19),
It is equipped on the motor shaft of stepper motor (21) runner (22), an eccentric shaft is installed, partially at the eccentric position of runner (22)
The rear end of mandrel and connecting rod (23) is rotatablely connected；An oscillating rod (24), the swing are designed on each pin shaft (20)
Bar (24) middle position is equipped with a rectangle sliding slot, and oscillating rod (24) is slidably matched by the rectangle sliding slot with pin shaft (20), phase
Two adjacent oscillating rods (24) are connected by articulated shaft from beginning to end, and the oscillating rod (24) of lowest part and connecting rod (23) are hinged；Two pendulum
The articulated shaft outer end of lever (24) connecting place is equipped with a ball hinge, and oscillating rod (24) outer end of the top also is provided with flexural pivot
Seat is fitted with a telescopic rod (28) on each hinged ball free bearing, wherein the telescopic rod (28) in left side be slidably mounted on sequence according to
In the circular hole of the secondary swinging axle (27) for being 1,3,5, telescopic rod (28) sliding on right side is followed successively by 2,4 swinging axle positioned on sequence
(27) in circular hole, the rule of swinging axle (27) sequence is to be sequentially increased from top to bottom, the lower end of each telescopic rod (28)
One ducted fan B(29 is installed).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710614623.1A CN107196203B (en) | 2017-07-25 | 2017-07-25 | A kind of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710614623.1A CN107196203B (en) | 2017-07-25 | 2017-07-25 | A kind of power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107196203A CN107196203A (en) | 2017-09-22 |
| CN107196203B true CN107196203B (en) | 2019-01-11 |
Family
ID=59884380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710614623.1A Active CN107196203B (en) | 2017-07-25 | 2017-07-25 | A kind of power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196203B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480866A (en) * | 2018-01-29 | 2018-09-04 | 南京珂亥韧光电科技有限公司 | A kind of miniature laser engraving machine radiator |
| CN108401399A (en) * | 2018-03-09 | 2018-08-14 | 重庆峰创科技有限公司 | A kind of swing heat dissipation type electrical cabinet |
| CN108683109A (en) * | 2018-07-11 | 2018-10-19 | 合肥苍旻自动化有限公司 | A kind of high and low voltage electrical equipment equipment box convenient for heat dissipation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278437Y (en) * | 2008-05-05 | 2009-07-22 | 杨树昌 | Water proof dust proof and explosion preventing centralized heat radiation sealed electricity distribution cabinet |
| US7952857B1 (en) * | 2010-02-22 | 2011-05-31 | Motley Gregory O | Arc-resistant switchgear enclosure with ambient air ventilation system |
| CN105226538A (en) * | 2015-11-01 | 2016-01-06 | 国网河南鄢陵县供电公司 | Semiconductor refrigerating air-supply heat radiating type high-tension switch cabinet |
| CN205377103U (en) * | 2015-12-08 | 2016-07-06 | 江苏天翔节能科技有限公司 | Wind -force uniform heat dissipation switch board |
| CN105960129B (en) * | 2016-06-23 | 2018-09-14 | 骆玲晓 | A kind of heat dissipation type intelligent electric power electrical cabinet |
| CN106451104B (en) * | 2016-11-02 | 2018-05-25 | 辽宁衡庆电力有限公司 | A kind of intelligent power distribution cabinet |
| CN106356743B (en) * | 2016-12-04 | 2018-05-11 | 南京苏锦电力设备有限公司 | A kind of internal circulation cooling power distribution cabinet |
-
2017
- 2017-07-25 CN CN201710614623.1A patent/CN107196203B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107196203A (en) | 2017-09-22 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181122 Address after: 318010 No. 17, Nananli Village, Xiachen Street, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Xu Mingfa Address before: 054900 Ma Lan village, Luzhai Township, Linxi County, Xingtai, Hebei, 25 Applicant before: Meng Qingshi |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240409 Address after: 317101 Part A of Qianguo Group in Xiqu Development Zone, Haiyou Street, Sanmen County, Taizhou City, Zhejiang Province (self declared) Patentee after: TAIZHOU HONGFA POWER TRANSMISSION AND DISTRIBUTION WHOLE SET EQUIPMENT Co.,Ltd. Country or region after: China Address before: 318010 No. 17, Nananli Village, Xiachen Street, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: Xu Mingfa Country or region before: China |