CN107453257B - A kind of power equipment having temperature regulating and controlling mechanism - Google Patents
A kind of power equipment having temperature regulating and controlling mechanism Download PDFInfo
- Publication number
- CN107453257B CN107453257B CN201710868664.3A CN201710868664A CN107453257B CN 107453257 B CN107453257 B CN 107453257B CN 201710868664 A CN201710868664 A CN 201710868664A CN 107453257 B CN107453257 B CN 107453257B
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- power equipment
- groove
- equipment ontology
- hole
- arc groove
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of power equipments for having temperature regulating and controlling mechanism, including pedestal, power equipment ontology is fixedly installed at the top of the pedestal, and symmetrically arranged sliding groove there are two being opened up at the top of pedestal, the power equipment ontology is located between two sliding grooves, and placing groove is offered on two sliding grooves side inner wall close to each other, first rotating shaft is rotatably connected in the placing groove, and the top of first rotating shaft is welded with placement plate, the placement plate is located at the side of power equipment ontology, and rectangular through-hole is offered in placement plate, mounting groove is offered in the bottom interior wall of the rectangular through-hole.Practicability of the present invention is high, pass through sliding groove and rotor plate, facilitate the movement of placement plate and ball, comprehensive temperature control processing can be carried out to power equipment ontology, and pass through cylindrical tube and cylindricality block, convenient for the fixation of placement plate and ball in moving process, the temperature control efficiency to power equipment ontology is improved.
Description
Technical field
The present invention relates to electrical equipment technical field more particularly to a kind of power equipments for having temperature regulating and controlling mechanism.
Background technique
Power equipment mainly includes generating equipment and power supply unit two major classes, and generating equipment is mainly station boiler, steam
Turbine, gas turbine, the hydraulic turbine, generator and transformer etc., power supply unit be mainly various voltage class transmission line of electricity, mutually
Sensor and contactor etc., number of patent application are a kind of excellent radiating effect power equipment outer container disclosed in 201710243478.0,
Including cabinet and chamber door, the cabinet is by being arranged in the aluminium alloy plate of the top of the box and the body side and being arranged in the cabinet
The backboard of side is constituted, and the side of the cabinet is equipped with symmetrical hinge, and the cabinet is connected through hinge activity with chamber door,
This kind of excellent radiating effect power equipment outer container, body side is equipped with multiple heat extraction fans, while being provided with the biggish perpendicular row of area
Heat release hole, can generate a large amount of heat during working due to power equipment, multiple heat extractions fan work can make case intracorporal
It is discharged in the orderly perpendicular row heat release hole from different directions of air, forms air inner-outer circulation and moreover also set up in backing plate
There is air duct, the intracorporal air of case can also be transmitted to ground by air duct, considerably increase the radiating efficiency of cabinet, but it is arranged
Heat fan is all to be fixedly mounted, and can not be moved, this will be greatly reduced the radiating efficiency of cabinet, and when weather cold,
Power equipment temperature is too low, we need to carry out temperature control processing to it at this time, prevents it from breaking down, therefore we have proposed one
Kind has the power equipment of temperature regulating and controlling mechanism for solving the above problems.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of electric power for having temperature regulating and controlling mechanism to set
It is standby.
The top of a kind of power equipment having temperature regulating and controlling mechanism proposed by the present invention, including pedestal, the pedestal is solid
Dingan County is equipped with power equipment ontology, and is opened up at the top of pedestal there are two symmetrically arranged sliding groove, the power equipment ontology
Placing groove, the placing groove are offered between two sliding grooves, and on two sliding grooves side inner wall close to each other
It is inside rotatably connected to first rotating shaft, and the top of first rotating shaft is welded with placement plate, the placement plate is located at power equipment ontology
Side, and offer rectangular through-hole in placement plate, mounting groove, and mounting groove offered in the bottom interior wall of the rectangular through-hole
Driving motor is inside installed, the second shaft is welded on the output shaft of the driving motor, and the top of the second shaft is welded with
Rotor plate offers rotation slot in the top inner wall of the rectangular through-hole, and is rotatably equipped with third shaft in rotation slot, described
The bottom end of third shaft extends in rectangular through-hole and mutually welds with the top of rotor plate, and offers on rotor plate round logical
Hole offers the first arc groove on the inner wall of the circular through hole, and in side of first arc groove far from power equipment ontology
The second arc groove that side is set as opening is offered on wall, rolling installation in first arc groove, there are two symmetrically arranged
Ball, and the side of ball is rotatably equipped with tapered pole, the one end of the tapered pole far from ball is through the second arc groove and prolongs
The outside of rotor plate is extended to, and two ball sides close to each other are rotatably equipped with connecting column, the connecting column is close to electricity
The side of power apparatus body is fixedly installed with heat extraction fan, and tapered pole outer sheath is equipped with cylindrical tube, and the rotor plate is far from electric power
The side of apparatus body offers third arc groove, and the second arc groove is located at the inside of third arc groove, the cylindrical tube with
Third arc groove is adapted, and a connecting column in two connecting columns is welded with multiple columns close to the side of another connecting column
Shape block offers multiple cylindrical grooves on another described connecting column, and multiple cylindricality blocks are arranged in a one-to-one correspondence with multiple cylindrical grooves,
The cylindricality block is mutually clamped with corresponding cylindrical groove, and connecting column is welded with handle far from a lateral roof of power equipment ontology
Hand, the handle are located at the top of cylindricality block.
Preferably, two handles are symmetrical arranged, and handle is equipped with antiskid thread.
Preferably, the first rotating shaft is matched with sliding groove.
Preferably, the inner wall of the tapered pole and the second arc groove is slidably connected.
Preferably, two heat extraction fans are symmetrical arranged, and heat extraction is fanned to be fixedly installed with close to the side of power equipment ontology and be added
Hot pin.
Preferably, the quantity of the cylindricality block is five to seven, and five to seven cylindricality blocks are located on same vertical axis.
Preferably, sealing ring is mounted on the side wall of multiple cylindrical grooves, and the interior Slideslip of cylindricality block and sealing ring connects
It connects.
Preferably, the bottom of the driving motor is welded with mounting plate, and the top quadrangle of mounting plate offers bolt
Hole, the bolt hole internal screw thread are connected with bolt, and driving motor is fixedly installed in by bolt hole on mounting plate and bolt
In the bottom interior wall of mounting groove.
Compared with prior art, the beneficial effects of the present invention are: passing through pedestal, power equipment ontology, sliding groove, first turn
Axis, placing groove, placement plate, rectangular through-hole, mounting groove, driving motor, the second shaft, rotation slot, third shaft, rotor plate and rolling
Pearl matches, and facilitates the movement of placement plate and ball, and comprehensive temperature control processing can be carried out to power equipment ontology, passes through circle
Shape through-hole, the first arc groove, the second arc groove, ball, tapered pole, connecting column, heat extraction fan, cylindrical tube, third arc groove, cylindricality
Block, cylindrical groove and handle match, and convenient for the fixation of placement plate and ball in moving process, improve to power equipment ontology
Temperature control efficiency.
Practicability of the present invention is high, by sliding groove and rotor plate, facilitates the movement of placement plate and ball, can set to electric power
Standby ontology carries out comprehensive temperature control processing, and by cylindrical tube and cylindricality block, convenient for placement plate and ball in moving process
In fixation, improve the temperature control efficiency to power equipment ontology.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view for the power equipment for having temperature regulating and controlling mechanism proposed by the present invention；
Fig. 2 is a kind of side structure schematic view for the power equipment for having temperature regulating and controlling mechanism proposed by the present invention；
Fig. 3 is a kind of structural schematic diagram of the part A for the power equipment for having temperature regulating and controlling mechanism proposed by the present invention；
Fig. 4 is a kind of partial structurtes signal of tapered pole for the power equipment for having temperature regulating and controlling mechanism proposed by the present invention
Figure；
Fig. 5 is a kind of partial structurtes of the third arc groove for the power equipment for having temperature regulating and controlling mechanism proposed by the present invention
Schematic diagram.
In figure: 1 pedestal, 2 power equipment ontologies, 3 sliding grooves, 4 first rotating shafts, 5 placing grooves, 6 placement plates, 7 rectangular through-holes,
8 mounting grooves, 9 driving motors, 10 second shafts, 11 rotation slots, 12 third shafts, 13 rotor plates, 14 circular through holes, 15 first arcs
Shape slot, 16 second arc grooves, 17 balls, 18 tapered poles, 19 connecting columns, 20 heat extractions fan, 21 cylindrical tubes, 22 third arc grooves, 23
Cylindricality block, 24 cylindrical grooves, 25 handles.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment
Referring to Fig.1-5, a kind of power equipment having temperature regulating and controlling mechanism, including pedestal 1, the fixed peace in the top of pedestal 1
Top equipped with power equipment ontology 2, and pedestal 1 is opened up there are two symmetrically arranged sliding groove 3, and power equipment ontology 2 is located at
Between two sliding grooves 3, and placing groove 5 is offered on two sliding grooves 3 side inner wall close to each other, turn in placing groove 5
It is dynamic to be connected with first rotating shaft 4, and the top of first rotating shaft 4 is welded with placement plate 6, placement plate 6 is located at the one of power equipment ontology 2
Side, and rectangular through-hole 7 is offered in placement plate 6, mounting groove 8 is offered in the bottom interior wall of rectangular through-hole 7, and in mounting groove 8
Driving motor 9 is installed, the second shaft 10 is welded on the output shaft of driving motor 9, and the top of the second shaft 10 is welded with
Rotor plate 13 offers rotation slot 11 in the top inner wall of rectangular through-hole 7, and is rotatably equipped with third shaft in rotation slot 11
12, the bottom end of third shaft 12 extends in rectangular through-hole 7 and mutually welds with the top of rotor plate 13, and opens up on rotor plate 13
There is circular through hole 14, the first arc groove 15 is offered on the inner wall of circular through hole 14, and the first arc groove 15 is far from power equipment
The second arc groove 16 that side is set as opening is offered on the side inner wall of ontology 2, is rolled and is equipped in the first arc groove 15
Two symmetrically arranged balls 17, and the side of ball 17 is rotatably equipped with tapered pole 18, tapered pole 18 far from ball 17 one
End runs through the second arc groove 16 and extends to the outside of rotor plate 13, and two sides close to each other of ball 17 are rotatablely installed
There is connecting column 19, connecting column 19 is fixedly installed with heat extraction fan 20, and 18 outer sheath of tapered pole close to the side of power equipment ontology 2
Equipped with cylindrical tube 21, rotor plate 13 offers third arc groove 22, and the second arc groove 16 far from the side of power equipment ontology 2
Positioned at the inside of third arc groove 22, cylindrical tube 21 is adapted with third arc groove 22, and a company in two connecting columns 19
It connects column 19 and is welded with multiple cylindricality blocks 23 close to the side of another connecting column 19, offer multiple columns on another connecting column 19
Shape slot 24, and multiple cylindricality blocks 23 are arranged in a one-to-one correspondence with multiple cylindrical grooves 24, cylindricality block 23 and corresponding 24 phase of cylindrical groove
It clamps, and connecting column 19 is welded with handle 25 far from a lateral roof of power equipment ontology 2, handle 25 is located at the upper of cylindricality block 23
Side, passes through pedestal 1, power equipment ontology 2, sliding groove 3, first rotating shaft 4, placing groove 5, placement plate 6, rectangular through-hole 7, mounting groove
8, driving motor 9, the second shaft 10, rotation slot 11, third shaft 12, rotor plate 13 and ball 14 match, and facilitate placement plate 6
With the movement of ball 14, comprehensive temperature control processing can be carried out to power equipment ontology 2, passes through circular through hole 14, the first arc
Shape slot 15, the second arc groove 16, ball 17, tapered pole 18, connecting column 19, heat extraction fan 20, cylindrical tube 21, third arc groove 22,
Cylindricality block 23, cylindrical groove 24 and handle 25 match, and convenient for the fixation of placement plate 6 and ball 14 in moving process, improve
To the temperature control efficiency of power equipment ontology 2, practicability of the present invention is high, by sliding groove 3 and rotor plate 13, facilitates 6 He of placement plate
The movement of ball 14 can carry out comprehensive temperature control processing to power equipment ontology 2, and pass through cylindrical tube 22 and cylindricality block
24, convenient for the fixation of placement plate 6 and ball 14 in moving process, improve the temperature control efficiency to power equipment ontology 2.
In the present embodiment, two handles 25 are symmetrical arranged, and handle 25 is equipped with antiskid thread, first rotating shaft 4 and sliding
Slot 3 matches, and tapered pole 18 and the inner wall of the second arc groove 16 are slidably connected, and two heat extraction fans 20 are symmetrical arranged, and heat extraction is fanned
20 are fixedly installed with heating rod close to the side of power equipment ontology 2, and the quantity of cylindricality block 23 is five to seven, and five to seven
Cylindricality block 23 is located on same vertical axis, is mounted on sealing ring on the side wall of multiple cylindrical grooves 24, and cylindricality block 23 with it is close
It is slidably connected on the inside of seal, the bottom of driving motor 9 is welded with mounting plate, and the top quadrangle of mounting plate offers bolt
Hole, bolt hole internal screw thread are connected with bolt, and driving motor 9 is fixedly installed in installation by bolt hole on mounting plate and bolt
In the bottom interior wall of slot 8, pass through pedestal 1, power equipment ontology 2, sliding groove 3, first rotating shaft 4, placing groove 5, placement plate 6, square
Shape through-hole 7, mounting groove 8, driving motor 9, the second shaft 10, rotation slot 11, third shaft 12, rotor plate 13 and ball 14 match
It closes, facilitates the movement of placement plate 6 and ball 14, comprehensive temperature control processing can be carried out to power equipment ontology 2, passes through circle
Through-hole 14, the first arc groove 15, the second arc groove 16, ball 17, tapered pole 18, connecting column 19, heat extraction fan 20, cylindrical tube 21,
Third arc groove 22, cylindricality block 23, cylindrical groove 24 and handle 25 match, convenient for placement plate 6 and ball 14 in moving process
Fixation, improve the temperature control efficiency to power equipment ontology 2, practicability of the present invention is high, by sliding groove 3 and rotor plate 13,
Facilitate the movement of placement plate 6 and ball 14, comprehensive temperature control processing can be carried out to power equipment ontology 2, and pass through circle
Column tube 22 and cylindricality block 24 improve convenient for the fixation of placement plate 6 and ball 14 in moving process to power equipment ontology 2
Temperature control efficiency.
In the present embodiment, when needing to carry out temperature control processing to power equipment ontology 2, rotation conic column 18, so that taper
Column 18 is slided on the inner wall of the second arc groove 16, and tapered pole 18 drives ball 17 to be rolled, so that ball 17 is the
It is rotated on the inner wall of one arc groove 15, ball 17 drives heat extraction fan 20 to be moved by connecting column 19, and heat extraction fan 20
On heating rod is installed, when needing that ball 17 is fixed, push cylindrical tube 21, tapered pole 18 is close to power equipment ontology
2 side is more and more thicker, so completing the fixation to ball 17 when cylindrical tube 21 is caught in third arc groove 22, working as electricity
Power device temperature is excessively high, closes heating rod and opens heat extraction fan 20, and when power equipment temperature is too low, closing heat extraction fan opens heating
Stick starts driving motor 9 at this time, and the output shaft of driving motor 9 drives the second shaft 10 to be rotated, and the second shaft 10 passes through the
Three shafts 12 rotate in rotation slot 11 drives rotor plate 13 to be rotated, comprehensive to carry out temperature control to power equipment ontology 2,
Pull handle 25, handle 25 drive connecting column 19 to be moved, and connecting column 19 drives first rotating shaft 4 to be moved, when first turn
When axis 4 is moved in sliding groove 3, multiple cylindricality blocks 23 separate just with multiple cylindrical grooves 24 at this time, swing handle 25, so that the
One shaft 4 is rotated on the inner wall of sliding groove 3, handle 25 is pushed, so that first rotating shaft 4 is enterprising in the inner wall of sliding groove 3
The two sides of power equipment ontology 2 are carried out temperature control processing at this time, effectively raise the control to power equipment ontology 2 by row sliding
Warm efficiency.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of power equipment for having temperature regulating and controlling mechanism, including pedestal (1), which is characterized in that the top of the pedestal (1)
It is fixedly installed with power equipment ontology (2), and is opened up at the top of pedestal (1) there are two symmetrically arranged sliding groove (3), the electricity
Power apparatus body (2) is located between two sliding grooves (3), and opens up on two sliding grooves (3) side inner wall close to each other
Have placing groove (5), is rotatably connected to first rotating shaft (4) in the placing groove (5), and the top of first rotating shaft (4) is welded with and puts
It sets plate (6), the placement plate (6) is located at the side of power equipment ontology (2), and offers rectangular through-hole in placement plate (6)
(7), it is offered mounting groove (8) in the bottom interior wall of the rectangular through-hole (7), and driving motor is installed in mounting groove (8)
(9), it is welded with the second shaft (10) on the output shaft of the driving motor (9), and the top of the second shaft (10) is welded with and turns
Movable plate (13) offers rotation slot (11) in the top inner wall of the rectangular through-hole (7), and is rotatably equipped in rotation slot (11)
Third shaft (12), the bottom end of the third shaft (12) extends in rectangular through-hole (7) and the top phase with rotor plate (13)
Welding, and circular through hole (14) are offered on rotor plate (13), the first arc is offered on the inner wall of the circular through hole (14)
Slot (15), and the first arc groove (15) is set as opening far from side is offered on the side inner wall of power equipment ontology (2)
Second arc groove (16), first arc groove (15) is interior to be rolled there are two installations symmetrically arranged ball (17), and ball
(17) side is rotatably equipped with tapered pole (18), and the tapered pole (18) runs through the second arc groove far from the one end of ball (17)
(16) and the outsides of rotor plate (13) is extended to, and two ball (17) sides close to each other are rotatably equipped with connecting column
(19), the connecting column (19) is fixedly installed with heat extraction fan (20), and tapered pole (18) close to the side of power equipment ontology (2)
Outer sheath is equipped with cylindrical tube (21), and the rotor plate (13) offers third arc groove far from the side of power equipment ontology (2)
(22), and the second arc groove (16) is located at the inside of third arc groove (22), the cylindrical tube (21) and third arc groove (22)
Be adapted, and a connecting column (19) in two connecting columns (19) close to another connecting column (19) side be welded with it is multiple
Cylindricality block (23) offers multiple cylindrical grooves (24) on another described connecting column (19), and multiple cylindricality blocks (23) with it is multiple
Cylindrical groove (24) is arranged in a one-to-one correspondence, and the cylindricality block (23) mutually clamps with corresponding cylindrical groove (24), and connecting column (19)
A lateral roof far from power equipment ontology (2) is welded with handle (25), and the handle (25) is located at the top of cylindricality block (23).
2. a kind of power equipment for having temperature regulating and controlling mechanism according to claim 1, which is characterized in that two handles
(25) it is symmetrical arranged, and handle (25) is equipped with antiskid thread.
3. a kind of power equipment for having temperature regulating and controlling mechanism according to claim 1, which is characterized in that described first turn
Axis (4) is matched with sliding groove (3).
4. a kind of power equipment for having temperature regulating and controlling mechanism according to claim 1, which is characterized in that the tapered pole
(18) inner wall with the second arc groove (16) is slidably connected.
5. a kind of power equipment for having temperature regulating and controlling mechanism according to claim 1, which is characterized in that two heat extraction fans
(20) it is symmetrical arranged, and heat extraction fan (20) is fixedly installed with heating rod close to the side of power equipment ontology (2).
6. a kind of power equipment for having temperature regulating and controlling mechanism according to claim 1, which is characterized in that the cylindricality block
(23) quantity is five to seven, and five to seven cylindricality blocks (23) are located on same vertical axis.
7. a kind of power equipment for having temperature regulating and controlling mechanism according to claim 1, which is characterized in that multiple cylindrical grooves
(24) it is mounted on sealing ring on side wall, and is slidably connected on the inside of cylindricality block (23) and sealing ring.
8. a kind of power equipment for having temperature regulating and controlling mechanism according to claim 1, which is characterized in that the driving electricity
The bottom of machine (9) is welded with mounting plate, and the top quadrangle of mounting plate offers bolt hole, the bolt hole internal screw thread connection
There is a bolt, and driving motor (9) is fixedly installed in the bottom interior wall of mounting groove (8) by bolt hole on mounting plate and bolt
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868664.3A CN107453257B (en) | 2017-09-22 | 2017-09-22 | A kind of power equipment having temperature regulating and controlling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868664.3A CN107453257B (en) | 2017-09-22 | 2017-09-22 | A kind of power equipment having temperature regulating and controlling mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107453257A CN107453257A (en) | 2017-12-08 |
| CN107453257B true CN107453257B (en) | 2019-03-12 |
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ID=60498115
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710868664.3A Active CN107453257B (en) | 2017-09-22 | 2017-09-22 | A kind of power equipment having temperature regulating and controlling mechanism |
Country Status (1)
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| CN (1) | CN107453257B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946786B (en) * | 2017-12-12 | 2023-04-25 | 国网山东省电力公司龙口市供电公司 | Emergent omnipotent binding post |
| CN108175482B (en) * | 2018-01-23 | 2020-05-12 | 李耀斌 | Three-dimensional space CT intervenes and guides orienting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5210978B2 (en) * | 2009-06-18 | 2013-06-12 | 株式会社東芝 | Switchgear ventilator |
| CN103550802A (en) * | 2013-09-30 | 2014-02-05 | 昆山市周市斐煌服饰厂 | Clothes sterilizing device |
| KR101718361B1 (en) * | 2015-01-29 | 2017-03-21 | 주식회사 케이디파워 | Switch board |
| CN105759381B (en) * | 2016-03-29 | 2019-04-12 | 国网山东省电力公司平阴县供电公司 | A kind of communication optical fiber coiling device |
| CN106129865B (en) * | 2016-06-27 | 2018-08-31 | 娄超棋 | A kind of distribution cabinet |
| CN206250642U (en) * | 2016-08-04 | 2017-06-13 | 安徽罗伯特科技股份有限公司 | Switchyard casing |
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2017
- 2017-09-22 CN CN201710868664.3A patent/CN107453257B/en active Active
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| CN107453257A (en) | 2017-12-08 |
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Effective date of registration: 20221122 Address after: Office R423, Building 2, No. 12, Mozhou East Road, Jiangning District, Nanjing, Jiangsu 211111 Patentee after: Jiangsu Guohui Electric Technology Co.,Ltd. Address before: 045000 gate 1, West 8, peach North West Road, Yangquan mining area, Shanxi Patentee before: Liu Chong |
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