CN107204584A - A kind of low-voltage distribution cabinet - Google Patents
A kind of low-voltage distribution cabinet Download PDFInfo
- Publication number
- CN107204584A CN107204584A CN201710486996.5A CN201710486996A CN107204584A CN 107204584 A CN107204584 A CN 107204584A CN 201710486996 A CN201710486996 A CN 201710486996A CN 107204584 A CN107204584 A CN 107204584A
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- CN
- China
- Prior art keywords
- cabinet
- space
- sets
- fan
- hole
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- 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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Classifications
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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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of low-voltage distribution cabinet, including cabinet and for sealing the cabinet door of cabinet, the bottom of the cabinet sets the first fan, the air vent being engaged with the first fan is set on first dividing plate, intelligent temperature control system for controlling the first fan to rotate is installed in the cabinet door, the side wall of left and right two of the cabinet is double-decker, the bottom in the space sets apopore, the middle part in the space sets second partition, first through hole is set on the second partition, the inwall in the space sets the first venthole, the outer wall in the space sets the second venthole, the bottom in the space sets sliding block, the outer wall in the space, which is located relatively above second partition, is threaded hole, the screwed hole internal thread connects wire fixing device.The beneficial effects of the present invention are：Solve the heat dissipation problem and the Electrical Safety under the conditions of immersion of power distribution cabinet.
Description
Technical field
The invention mainly relates to specifically a kind of low-voltage distribution cabinet
Background technology
Power distribution cabinet is a kind of conventional power infrastructures, and it is a metal shell that it is outside, and inside is equipped with power components,
With continuing to develop for China's economy, increasing requirement is proposed to low-voltage distribution cabinet, wherein the protection to use environment
More and more higher, the occasion such as in various underground engineerings, water conservancy projects, tunnel, hull has to the degree of protection of low-voltage distribution cabinet
High requirement, particularly waterproof ability, and existing low-voltage distribution cabinet generally has preferable protective capacities to solids, but to waterproof
Property do not design, it is impossible to adapt to scene many water environments, in full seal type distribution box set heat abstractor asked to solve waterproof
Topic, but, inside is larger with lasting current heating amount, fully closed distribution box due to distributor operationally, heat in cabinet
Amount, which dissipates, does not go out, and influences the service life of electrical equipment.
The content of the invention
To solve deficiency of the prior art, the present invention provides a kind of low-voltage distribution cabinet, solves the heat dissipation problem of power distribution cabinet
And in the Electrical Safety under the conditions of immersion.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of low-voltage distribution cabinet, including cabinet and the cabinet door for sealing cabinet, the bottom of the cabinet set the first wind
Fan, the top that the cabinet is located relatively at the first fan sets setting and the first fan phase on the first dividing plate, first dividing plate
Intelligent temperature control system for controlling the first fan to rotate, the left and right of the cabinet are installed in the air vent of cooperation, the cabinet door
Two side walls are to have space between double-decker, the bilayer of the side wall of left and right two, and the bottom in the space sets apopore, described
The middle part in space sets and sets first through hole on second partition, the second partition, and the inwall in the space is located relatively at second
The top of dividing plate sets several the first ventholes, and the lower section that the outer wall in the space is located relatively at second partition sets several
Second venthole, the bottom in the space, which is slided, sets the sliding block adaptable with the shape in space, and the density of the sliding block is less than
The density of water, the outer wall in the space, which is located relatively above second partition, is threaded hole, the screwed hole internal thread connection
Wire fixing device, the wire fixing device includes the base of cylinder, and the base is threadedly coupled with screwed hole, is set on the base
Groove, the end of the base sets connecting seat, and the outer wall in the space sets the fixed seat being engaged with connecting seat, the company
Joint chair is threadedly coupled with fixed seat, and the second through hole is set on the side wall of the groove, and the outer wall in the space is located relatively at screw thread
The third through-hole being engaged with the second through hole is set between hole, connecting seat, and the outer wall in the space is located relatively at screwed hole, the 3rd
First sealing gasket is set between through hole, and the connecting seat sets the second sealing gasket close to the side of cabinet.
The intelligent temperature control system includes being provided with single-chip microcomputer, keyboard input module, LCD on main circuit board, main circuit board
Several temperature sensors, temperature sensor and keyboard input module difference are set in LCDs, buzzer, the cabinet
It is connected with the input of single-chip microcomputer；LCD liquid crystal display screen and buzzer are connected with the output end of single-chip microcomputer respectively, first wind
Fan is connected by the output end of the first relay and single-chip microcomputer, and radiating is provided between the first relay and the first fan and is indicated
Lamp.
The surrounding of the sliding block sets the 3rd sealing gasket.
The top of the cabinet sets the second fan, the cabinet be located relatively at the second fan lower section set the 3rd every
The air vent being engaged with the second fan is set on plate, the 3rd dividing plate, and second fan passes through the second relay and intelligence
Can temperature control system electrical connection.
The lower section that the inwall in the space is located relatively at the first venthole sets hollow heat sink, the table of the heat sink
Face is waveform, filling phase-change material in the heat sink.
Contrast and prior art, beneficial effect of the present invention are：
1st, there is space between the bilayer of present invention left and right two side wall, the first venthole, the second venthole are shifted to install, wind
The air-flow produced is fanned through the first venthole, the second venthole by the air outside the higher gas of distribution in-cabinet temperature and power distribution cabinet
Exchange, power distribution cabinet inside is radiated, the middle part in space sets second partition, and water can be along sky into space from the second venthole
The apopore outflow space of gap bottom, if power distribution cabinet is flooded, sliding block can float with water level seals the second through hole, by water
Gear prevents water from entering power distribution cabinet outside power distribution cabinet.
2nd, the outer wall in space of the present invention, which is located relatively between screwed hole, third through-hole, sets the first sealing gasket, the connection
Seat against nearly cabinet side set the second sealing gasket, electric wire through the second through hole, third through-hole pass in and out power distribution cabinet, the first sealing gasket,
Second sealing gasket seals the second through hole, third through-hole, prevents water from entering cabinet from wire fixing device.
3rd, the surrounding of present invention slider sets the 3rd sealing gasket, and sliding block is adapted with space, i.e., identical with the shape in space,
Size is adapted, and the 3rd sealing gasket can increase sealing function of the sliding block to first through hole.
4th, the top of cabinet of the present invention sets the gas flowing in the second fan, increase cabinet, accelerates radiating rate.
5th, the surface of heat sink of the present invention is filling phase-change material in waveform, the heat sink, and the temperature of cabinet rises,
Phase-change material will absorb heat and become liquid by solid, further increase radiating effect.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is your not structural representation of the volume of the present invention.
Accompanying drawing 3 is enlarged drawing at the A of accompanying drawing 2.
Accompanying drawing 4 is the structured flowchart of intelligent temperature control system.
Label shown in accompanying drawing：1st, cabinet；2nd, cabinet door；3rd, the first fan；31st, the first dividing plate；32nd, air vent；4th, space；
41st, apopore；42nd, first through hole；43rd, the first venthole；44th, the second venthole；45th, heat sink；5th, second partition；6th, it is sliding
Block；7th, base；71st, groove；72nd, connecting seat；73rd, fixed seat；74th, the second through hole；75th, the first sealing gasket；76th, the second sealing
Pad；77th, third through-hole；81st, single-chip microcomputer；82nd, keyboard input module；83rd, LCD liquid crystal display screen；84th, buzzer；85th, temperature is passed
Sensor；86th, radiate indicator lamp；87th, the first relay；9th, the second fan；91st, the 3rd dividing plate；92nd, the second relay.
Embodiment
With reference to the drawings and specific embodiments, the invention will be further described.It should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, this area
Technical staff can make various changes or modifications to the present invention, and these equivalent form of values equally fall within scope defined herein.
A kind of low-voltage distribution cabinet, including cabinet 1 and the cabinet door 2 for sealing cabinet 1, can be added close on the side of cabinet door 2
Packing prevents the gap sealing between cabinet door 2 and cabinet 1 into water.The bottom of the cabinet 1 sets the first fan 3, the cabinet
Body 1 is located relatively to set on the first dividing plate 31 of top setting of the first fan 3, first dividing plate 31 and is engaged with the first fan
Air vent 32, the intelligent temperature control system for controlling the first fan 3 to rotate, the temperature in cabinet 1 are installed in the cabinet door 2
More than setting value, intelligent temperature control system will start the first fan 3.The side wall of left and right two of the cabinet 1 is double-decker, left and right
There is space 4 between the bilayer of two side walls, the bottom in the space 4 sets apopore 41, and the middle part in the space 4 sets second
First through hole 42 is set on dividing plate 5, the second partition 5, and the top that the inwall in the space 4 is located relatively at second partition 5 is set
Put several the first ventholes 43, the lower section that the outer wall in the space 4 is located relatively at second partition 5 sets several the second outlets
Hole 44, Air Filter can be added if necessary to dust-proof in the first venthole 43, the second venthole 44.Slide the bottom in the space 4
Dynamic to set the sliding block 6 being adapted with the shape of space 4, sliding block 6 is adapted with space 4, i.e., identical, the size phase with the shape in space 4
Adapt to.The density of the sliding block 6 is less than the density of water, and the outer wall in the space 4 is located relatively at the top setting spiral shell of second partition 5
Pit, the screwed hole internal thread connects wire fixing device, and the wire fixing device includes the base 7 of cylinder, the base 7 and spiral shell
Pit is threadedly coupled, and groove 71 is set on the base 7, and the end of the base 7 is set outside connecting seat 72, the space 4
Wall sets the fixed seat 73 being engaged with connecting seat 72, and the connecting seat 72 is threadedly coupled with fixed seat 73, the groove 71
Set the outer wall in space 4 described in the second through hole 74 to be located relatively between screwed hole, connecting seat 72 on the wall of side to set and the second through hole
74 third through-holes 77 being engaged, the outer wall in the space 4, which is located relatively between screwed hole, third through-hole 77, sets first to seal
Pad 75, the connecting seat 72 sets the second sealing gasket 76 close to the side of cabinet 1, and electric wire is through the second through hole 74, third through-hole 77
Power distribution cabinet is passed in and out, the first sealing gasket 75, the second sealing gasket 76 seal the second through hole 74, third through-hole 77, prevent water from solidus
Device enters cabinet 1.First venthole 43, the second venthole 44 are shifted to install, fan produce air-flow through the first venthole 43,
Second venthole 44 is dissipated the air exchange outside the higher gas of distribution in-cabinet temperature and power distribution cabinet to power distribution cabinet inside
Heat, the middle part in space 4 sets second partition 5, and water enters apopore 41 of the meeting of space 4 along the bottom of space 4 from the second venthole 44
Space 4 is flowed out, if power distribution cabinet is flooded, sliding block 6 can float with water level seals the second through hole 74, by water gear in power distribution cabinet
Outside, prevent water from entering power distribution cabinet.
It is preferred that, the intelligent temperature control system includes being provided with single-chip microcomputer 81, key-press input on main circuit board, main circuit board
Several temperature sensors 85, temperature sensor are set in module 82, LCD liquid crystal display screen 83, buzzer 84, the cabinet 1
85 and input of the keyboard input module 82 respectively with single-chip microcomputer 81 be connected, LCD liquid crystal display screen 83 and buzzer 84 respectively with
The output end connection of single-chip microcomputer 81, first fan 3 is connected by the first relay 87 with the output end of single-chip microcomputer 81, the
Radiating indicator lamp 86, LCD liquid crystal display screen 83, the and of keyboard input module 82 are provided between one relay 87 and the first fan 3
Radiating indicator lamp 86 collectively constitutes man-machine interface and status display.The single-chip microcomputer 81 is STC89C51 single-chip microcomputers 81, low in energy consumption,
Strong interference immunity, reliability are high, cheap, can store mass data, and working range is wider；Temperature sensor 85 is
DS18B20 temperature sensors, the collection signal of DS18B20 temperature sensors can be directly transferred to single-chip microcomputer 81, eliminate signal
Change-over circuit.After switching on power, temperature sensor 85 gathers the temperature of different zones, and the signal that temperature sensor 85 is gathered is direct
It is transferred to single-chip microcomputer 81 to be handled, after single-chip microcomputer 81 receives signal and handled, sends corresponding control command to the first relay
Device 87, if temperature is high, is cooled by controlling the first relay 87 to open fan.
It is preferred that, the surrounding of the sliding block 6 sets the 3rd sealing gasket, and the 3rd sealing gasket can increase by 6 pair first of sliding block and lead to
The sealing function in hole 42.
It is preferred that, the top of the cabinet 1 sets the second fan 9, and the cabinet 1 is located relatively at the lower section of the second fan 9
The air vent 32 that setting is engaged with the second fan 9 on 3rd dividing plate 91, the 3rd dividing plate 91, second fan 9 are set
Electrically connected by the second relay 92 with intelligent temperature control system, radiating rate is accelerated in the gas flowing in increase cabinet 1.
It is preferred that, the lower section that the inwall in the space 4 is located relatively at the first venthole 43 sets hollow heat sink 45, institute
The surface for stating heat sink 45 is filling phase-change material in waveform, the heat sink 45, and the temperature of cabinet 1 rises, phase-change material
Heat will be absorbed and liquid is become by solid, further increase radiating effect.Especially after sliding block 6 seals first through hole 42,
Phase-change material can be distribution cabinet heat radiation in time.
Embodiment：
A kind of low-voltage distribution cabinet, including cabinet 1 and the cabinet door 2 for sealing cabinet 1, can be added close on the side of cabinet door 2
Packing prevents the gap sealing between cabinet door 2 and cabinet 1 into water.The bottom of the cabinet 1 sets the first fan 3, the cabinet
Body 1 is located relatively to set on the first dividing plate 31 of top setting of the first fan 3, first dividing plate 31 and is engaged with the first fan
Air vent 32, the top of the cabinet 1 sets the second fan 9, and the lower section that the cabinet 1 is located relatively at the second fan 9 is set
The air vent 32 being engaged with the second fan 9 is set on the 3rd dividing plate 91, the 3rd dividing plate 91, and second fan 9 passes through
Second relay 92 is electrically connected with intelligent temperature control system.Installed in the cabinet door 2 for controlling the first fan 3,9 turns of the second fan
Dynamic intelligent temperature control system, the intelligent temperature control system includes main circuit board, and it is defeated to be provided with single-chip microcomputer 81, button on main circuit board
Enter and 3 temperature sensors 85, the TEMP are set in module 82, LCD liquid crystal display screen 83, buzzer 84, the cabinet 1
The input of device 85 and keyboard input module 82 respectively with single-chip microcomputer 81 is connected；LCD liquid crystal display screen 83 and buzzer 84 are distinguished
It is connected with the output end of single-chip microcomputer 81, first fan 3 is connected by the first relay 87 with the output end of single-chip microcomputer 81,
Radiating indicator lamp 86 is provided between first relay 87 and the first fan 3.When the temperature in cabinet 1 exceedes setting value, intelligence
Temperature control system will start the first fan 3.The side wall of left and right two of the cabinet 1 is double-decker, the bilayer of the two side walls in left and right
Between have a space 4, the bottom in the space 4 sets apopore 41, and the middle part in the space 4 sets second partition 5, described second
First through hole 42 is set on dividing plate 5, and the top that the inwall in the space 4 is located relatively at second partition 5 sets several first to go out
Stomata 43, the lower section that the outer wall in the space 4 is located relatively at second partition 5 sets several the second ventholes 44, if desired
It is dust-proof to add Air Filter in the first venthole 43, the second venthole 44.The inwall in the space 4 is located relatively at the first outlet
The lower section in hole 43 sets hollow heat sink 45, and the surface of the heat sink 45 is filling phase in waveform, the heat sink 45
Become material.The sliding block 6 for setting and being adapted with the shape of space 4 is slided in the bottom in the space 4, and the surrounding of the sliding block 6 sets the
Three sealing gaskets, sliding block 6 is adapted with space 4, i.e., size identical with the shape in space 4 is adapted.The density of the sliding block 6 is small
In the density of water, the top that the outer wall in the space 4 is located relatively at second partition 5 is threaded hole, the screwed hole internal thread
Wire fixing device is connected, the wire fixing device includes the base 7 of cylinder, and the base 7 is threadedly coupled with screwed hole, the base
Groove 71 is set on 7, and the end of the base 7 sets connecting seat 72, and the outer wall in the space 4 is set to be engaged with connecting seat 72
Fixed seat 73, the connecting seat 72 is threadedly coupled with fixed seat 73, and the second through hole 74, institute are set on the side wall of the groove 71
The outer wall for stating space 4 is located relatively at the third through-hole 77 that setting is engaged with the second through hole 74 between screwed hole, connecting seat 72, institute
The outer wall for stating space 4 is located relatively between screwed hole, third through-hole 77 and sets the first sealing gasket 75, and the connecting seat 72 is close to cabinet
The side of body 1 sets the second sealing gasket 76, and electric wire passes in and out power distribution cabinet through the second through hole 74, third through-hole 77, the first sealing gasket 75,
Second sealing gasket 76 seals the second through hole 74, third through-hole 77, prevents water from entering cabinet 1 from wire fixing device.The present embodiment
Beneficial effect is：Sliding block 6 is adapted with space 4, i.e., size identical with the shape in space 4 is adapted, and the 3rd sealing gasket can
Increase sealing function of the sliding block 6 to first through hole 42；The surface of heat sink 45 is filling phase transformation in waveform, the heat sink 45
Material, the temperature of cabinet 1 rises, and phase-change material will absorb heat and become liquid by solid, further increase radiating effect.
Claims (5)
1. a kind of low-voltage distribution cabinet, including cabinet (1) and the cabinet door (2) for sealing cabinet (1), it is characterised in that：The cabinet
The bottom of body (1) sets the first fan (3), and the top that the cabinet (1) is located relatively at the first fan (3) sets the first dividing plate
(31), set and installed on the air vent (32) being engaged with the first fan (3), the cabinet door (2) on first dividing plate (31)
For the intelligent temperature control system for controlling the first fan (3) to rotate, the side wall of left and right two of the cabinet (1) is double-decker, left
There is space (4) between the bilayer of right two side walls, the bottom of the space (4) is set in apopore (41), the space (4)
Portion, which is set, sets first through hole (42) on second partition (5), the second partition (5), the inwall of the space (4) is located relatively at
The top of second partition (5) sets several the first ventholes (43), and the outer wall of the space (4) is located relatively at second partition
(5) lower section sets several the second ventholes (44), and the shape phase set with space (4) is slided in the bottom of the space (4)
The sliding block (6) of adaptation, the density of the sliding block (6) is less than the density of water, and the outer wall of the space (4) is located relatively at second partition
(5) hole is threaded above, the screwed hole internal thread connects wire fixing device, and the wire fixing device includes the base of cylinder
(7), the base (7) is threadedly coupled with screwed hole, groove (71) is set on the base (7), the end of the base (7) is set
Connecting seat (72) is put, the outer wall of the space (4) sets the fixed seat (73) being engaged with connecting seat (72), the connecting seat
(72) it is threadedly coupled, is set on the side wall of the groove (71) outside the second through hole (74), the space (4) with fixed seat (73)
Wall is located relatively at the third through-hole (77) that setting is engaged with the second through hole (74) between screwed hole, connecting seat (72), the sky
The outer wall of gap (4), which is located relatively between screwed hole, third through-hole (74), sets the first sealing gasket (75), and the connecting seat (72) is leaned on
The side of nearly cabinet (1) sets the second sealing gasket (76).
2. a kind of low-voltage distribution cabinet according to claim 1, it is characterised in that：The intelligent temperature control system includes main circuit
Single-chip microcomputer (81), keyboard input module (82), LCD liquid crystal display screen (83), buzzer (84) are installed on plate, main circuit board,
Several temperature sensors (85) are set in the cabinet (1), temperature sensor (85) and keyboard input module (82) respectively with
The input connection of single-chip microcomputer (81)；The output end of LCD liquid crystal display screen (83) and buzzer (84) respectively with single-chip microcomputer (81)
Connection, first fan (3) is connected by the first relay (87) with the output end of single-chip microcomputer (81), in the first relay
(87) radiating indicator lamp (86) is provided between the first fan (3).
3. a kind of low-voltage distribution cabinet according to claim 1, it is characterised in that：The surrounding of the sliding block (6) sets the 3rd
Sealing gasket.
4. a kind of low-voltage distribution cabinet according to claim 1, it is characterised in that：The top of the cabinet (1) sets second
Fan (9), the lower section that the cabinet (1) is located relatively at the second fan (9) sets the 3rd dividing plate (91), the 3rd dividing plate (91)
Upper to set the air vent (32) being engaged with the second fan (9), second fan (9) passes through the second relay (92) and intelligence
Temperature control system is electrically connected.
5. a kind of low-voltage distribution cabinet according to claim 1, it is characterised in that：The inwall of the space (4) is located relatively at
The lower section of first venthole (43) sets hollow heat sink (45), and the surface of the heat sink (45) is waveform, described to dissipate
Filling phase-change material in hot plate (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486996.5A CN107204584B (en) | 2017-06-23 | 2017-06-23 | A kind of low-voltage distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486996.5A CN107204584B (en) | 2017-06-23 | 2017-06-23 | A kind of low-voltage distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107204584A true CN107204584A (en) | 2017-09-26 |
| CN107204584B CN107204584B (en) | 2019-05-07 |
Family
ID=59907031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710486996.5A Active CN107204584B (en) | 2017-06-23 | 2017-06-23 | A kind of low-voltage distribution cabinet |
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| Country | Link |
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| CN (1) | CN107204584B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819125A (en) * | 1994-06-30 | 1996-01-19 | Nissin Electric Co Ltd | Switchgear |
| CN203026817U (en) * | 2012-12-20 | 2013-06-26 | 信阳华祥电力建设集团有限责任公司 | Outdoor box-type transformer substation protecting casing |
| CN204088965U (en) * | 2014-10-08 | 2015-01-07 | 成都川电开关厂 | A kind of heat radiation rainproof distribution box |
| CN105226511A (en) * | 2015-09-23 | 2016-01-06 | 浙江新跃电气有限公司 | A kind of rainproof distribution box |
| CN205335698U (en) * | 2016-01-05 | 2016-06-22 | 嘉兴恒创电力设计研究院有限公司嘉善分公司 | From heat dissipation electrical equipment box |
| CN205646565U (en) * | 2016-05-24 | 2016-10-12 | 四川建筑职业技术学院 | Can adjust heat dissipation switch cabinet of baffle interval |
-
2017
- 2017-06-23 CN CN201710486996.5A patent/CN107204584B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819125A (en) * | 1994-06-30 | 1996-01-19 | Nissin Electric Co Ltd | Switchgear |
| CN203026817U (en) * | 2012-12-20 | 2013-06-26 | 信阳华祥电力建设集团有限责任公司 | Outdoor box-type transformer substation protecting casing |
| CN204088965U (en) * | 2014-10-08 | 2015-01-07 | 成都川电开关厂 | A kind of heat radiation rainproof distribution box |
| CN105226511A (en) * | 2015-09-23 | 2016-01-06 | 浙江新跃电气有限公司 | A kind of rainproof distribution box |
| CN205335698U (en) * | 2016-01-05 | 2016-06-22 | 嘉兴恒创电力设计研究院有限公司嘉善分公司 | From heat dissipation electrical equipment box |
| CN205646565U (en) * | 2016-05-24 | 2016-10-12 | 四川建筑职业技术学院 | Can adjust heat dissipation switch cabinet of baffle interval |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107204584B (en) | 2019-05-07 |
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Effective date of registration: 20190918 Address after: 210031 Xiaoliu Industrial Park, 22 Liuzhou North Road, Pukou District, Nanjing City, Jiangsu Province Patentee after: Nanjing Zhizhuo Electronic Technology Co., Ltd. Address before: 210031 No. 65 pearl South Road, Pukou District, Jiangsu, Nanjing Patentee before: Nanjing Institute of Railway Technology |