CN110290675A - A kind of power control cabinet cooling system and power control cabinet - Google Patents
A kind of power control cabinet cooling system and power control cabinet Download PDFInfo
- Publication number
- CN110290675A CN110290675A CN201910486837.4A CN201910486837A CN110290675A CN 110290675 A CN110290675 A CN 110290675A CN 201910486837 A CN201910486837 A CN 201910486837A CN 110290675 A CN110290675 A CN 110290675A
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- CN
- China
- Prior art keywords
- power control
- control cabinet
- main body
- cooling system
- cabinet main
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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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0221—Locks; Latches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20281—Thermal management, e.g. liquid flow control
Abstract
The present invention relates to technical field of automation equipment, a kind of power control cabinet cooling system and power control cabinet are provided, aim to solve the problem that existing power control cabinet thermal diffusivity is bad, top control module, instrument and other electronic devices in the badly damaged cabinet of meeting, on the other hand, high temperature will lead to the problem of component is burnt, water cooling system and temperature control trigger assembly including power control cabinet body lumen is arranged in；The water cooling system includes two thermovents for being provided with power control cabinet main body symmetrical side top, cooling fan is installed on thermovent, two opposite sides of the thermovent are equipped with thermovent sealing plate, the thermovent sealing plate is slidably mounted on the inner wall of power control cabinet main body, the upper end of the thermovent sealing plate is equipped with traction rope, and the other end of two traction ropes around deflecting wheel and is wrapped in the same capstan winch.Present invention is particularly suitable for the high efficiency and heat radiation of power control cabinet, social use value and application prospect with higher.
Description
Technical field
The present invention relates to technical field of automation equipment, and in particular to a kind of power control cabinet cooling system and power control cabinet.
Background technique
Power control cabinet is that switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are assembled in envelope by electrical wiring requirement
Close or semiclosed metal safe in or screen width on, arrangement should meet the requirement of electric system normal operation, and easy access do not jeopardize
The control cabinet (case) of the safety of the person and surrounding devices.
Existing power control cabinet, design comparison is single, and structure design keeps thermal diffusivity bad, ring of the component in higher temperature
Work under border, on the one hand easily cause the component aging in power control cabinet, can top control module in badly damaged cabinet, instrument and other
Electronic device, on the other hand, high temperature can generate security risk, component is caused to burn.
The patent of Publication No. CN205546355U, discloses a kind of radiator suitable for power control cabinet, it includes cold
The one of circulating chilled water heat exchanger is arranged in water circulation heat exchange device, including radiator fan, chilled water coil and condensate drain pan, radiator fan
The bottom of circulating chilled water heat exchanger is arranged in side, condensate drain pan, and the top of condensate drain pan is arranged in chilled water coil；Partition, setting
On circulating chilled water heat exchanger, power control cabinet is divided into two interconnected spaces by partition；Wherein, starting circulating chilled water heat exchange
Device, can make the air of the two spaces of power control cabinet carry out circulation temperature lowering and dehumidifying, which guarantees power control cabinet in high temperature and humidity
Safe operation under environment, but the effect is unsatisfactory for the device radiation, universal performance is poor.
For this purpose, we have proposed a kind of power control cabinet cooling system and power control cabinets.
Summary of the invention
(1) technical problems to be solved
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of automatically controlled cabinet heat radiation system
System and power control cabinet, it is bad to solve existing power control cabinet thermal diffusivity, on the one hand easily cause the component aging in power control cabinet, meeting
Top control module, instrument and other electronic devices in badly damaged cabinet, on the other hand, high temperature can generate security risk, lead to first device
The problem of part is burnt.
(2) technical solution
In order to achieve the object of the present invention, the technical scheme adopted by the invention is as follows:
A kind of power control cabinet cooling system, water cooling system and temperature control triggering including power control cabinet body lumen is arranged in
Component；
It is characterized in that, the water cooling system includes being provided with two heat dissipations on power control cabinet main body symmetrical side top
Mouthful, cooling fan is installed on thermovent, two opposite sides of the thermovent are equipped with thermovent sealing plate, the heat dissipation
Mouth sealing plate is slidably mounted on the inner wall of power control cabinet main body, and the upper end of the thermovent sealing plate is equipped with traction rope, and two
The other end of a traction rope is around deflecting wheel and is wrapped in the same capstan winch, and the deflecting wheel is rotatably installed in power control cabinet main body
On inner roof wall, the capstan winch is mounted on the inner cavity top of power control cabinet main body by holder pivots, and one end of capstan winch is co-axially mounted
There is Knucle-gear, the Knucle-gear is engaged with the teeth on the downside of spur rack, and one end of spur rack is fixedly mounted on the output of cylinder
On end, cylinder is fixedly mounted on the inner roof wall of power control cabinet main body.
Preferably, the power control cabinet cooling system further includes having the liquid cooling pipe being arranged on power control cabinet main body relative inner wall
Net is mounted on perfusion tube on the input terminal and output end of the liquid cooling pipe network, and the other end of four perfusion tubes reaches
The exocoel of power control cabinet main body is simultaneously separately mounted on the input terminal and output end of oil cooling machine, and the oil cooling machine is fixedly mounted on automatically controlled
On the rear wall of cabinet main body.
Preferably, the temperature control trigger assembly includes the control box being arranged in power control cabinet main body inner wall, the control box
Inner cavity be slidably fitted with dynamic contact block, and the downside of dynamic contact block is equipped with air bag, and the top of the dynamic contact block is equipped with stationary contact block, and quiet
Contact block is fixedly mounted on the inner roof wall of control box, and the side wall of the dynamic contact block, which is equipped with, offers multiple relief holes, the control
The lower sidewall of box processed offers temperature conduction mouth, and the dynamic contact block, stationary contact block and cylinder, cooling fan and oil cooling machine electrically connect
It connects.
Preferably, the liquid cooling pipe network is S-shaped inflection bend pipe net, and liquid cooling pipe network is copper pipe.
Preferably, the upper end of the spur rack is equipped with sliding shoe, and sliding shoe is slidably mounted on top in power control cabinet main body
In the sliding slot opened up on wall.
The present invention also provides a kind of power control cabinet, including power control cabinet main body and heat dissipation system on the basis of above-mentioned cooling system
System, the power control cabinet use cooling system described above.
The present invention also provides a kind of power control cabinet, the multiple supports installed including power control cabinet main body and power control cabinet lower body
Foot, the antetheca of the power control cabinet main body is equipped with cabinet door, and cabinet door is equipped with door lock.
Preferably, the inner cavity of the power control cabinet main body is equipped with the element installation bracket of multiple horizontally-parallel settings, and power control cabinet
The inner cavity of main body is equipped with Xelminator.
(3) the utility model has the advantages that
1, by water cooling system, the composite structure of liquid cooling pipe network, perfusion tube and oil cooling machine, two cooling fans are synchronous
Starting is discharged the hot-air in power control cabinet body lumen, and injects cool ambient air, using air circulation, realizes rapid cooling,
Meanwhile cooling oil takes away the heat in power control cabinet body lumen in liquid cooling pipe network internal circulation flow, cooperates water cooling system,
Dual-cooled, better heat-radiation effect.
2, the temperature that power control cabinet body lumen can be effectively detected by temperature control trigger assembly is reaching certain temperature
Afterwards, starting cooling system, better heat-radiation effect, meanwhile, the automatic control function to cooling system is effectively realized, realizes energy
It saves in source.
Detailed description of the invention
Fig. 1 is appearance diagram of the present invention；
Fig. 2 is structure of the invention cross-sectional view；
Fig. 3 is A structure enlargement diagram in Fig. 2；
Fig. 4 is the combining structure schematic diagram of liquid cooling pipe network and perfusion tube in the present invention；
Fig. 5 is temperature control trigger assembly structural schematic diagram in the present invention.
In figure: power control cabinet main body 1, cabinet door 2, thermovent 3, oil cooling machine 4, element installation bracket 5, water cooling system 6, heat dissipation
Mouth sealing plate 61, traction rope 62, deflecting wheel 63, capstan winch 64, Knucle-gear 65, spur rack 66, cylinder 67, sliding shoe 68, radiation air
Machine 69, perfusion tube 8, temperature control trigger assembly 9, control box 91, temperature conduction mouth 92, air bag 93, dynamic contact block 94, is let out liquid cooling pipe network 7
Press hole 95, stationary contact block 96, Xelminator 10.
Specific embodiment
The present invention is further described for 1-5 and embodiment with reference to the accompanying drawing:
A kind of power control cabinet cooling system, water cooling system 6 and temperature control touching including 1 inner cavity of power control cabinet main body is arranged in
Send out component 9；
In the present embodiment, as shown in Figures 2 and 3, the water cooling system 6 includes being provided with 1 symmetrical side of power control cabinet main body
Two thermovents 3 on wall top are equipped with cooling fan 69 on thermovent 3, and two opposite sides of the thermovent 3 are equipped with
Thermovent sealing plate 61, the thermovent sealing plate 61 are slidably mounted on the inner wall of power control cabinet main body 1, the thermovent sealing
The upper end of plate 61 is equipped with traction rope 62, and the other end of two traction ropes 62 around deflecting wheel 63 and is wrapped in the same capstan winch
64, the deflecting wheel 63 is rotatably installed on the inner roof wall of power control cabinet main body 1, and the capstan winch 64 is mounted on electricity by holder pivots
The inner cavity top of cabinet main body 1 is controlled, and one end of capstan winch 64 is coaxially installed with Knucle-gear 65, the Knucle-gear 65 is engaged with spur rack
The teeth of 66 downsides, and one end of spur rack 66 is fixedly mounted on the output end of cylinder 67, cylinder 67 is fixedly mounted on automatically controlled
On the inner roof wall of cabinet main body 1, cylinder 67 starts, and spur rack 66 is driven to move, and the teeth of 66 downside of spur rack engage Knucle-gear 65,
It drives Knucle-gear 65 to rotate, to drive the coaxial mounted rotation of capstan winch 64 two traction ropes 62 of tightening, drives two thermovents
Sealing plate 61 travels upward and out thermovent 3, while two 69 synchronous averagings of cooling fan, is discharged in 1 inner cavity of power control cabinet main body
Hot-air, and inject cool ambient air, using air circulation, realize rapid cooling, substantially increase radiating efficiency.
In the present embodiment, as shown in Figures 2 and 4, the power control cabinet cooling system further includes having to be arranged in 1 phase of power control cabinet main body
To the liquid cooling pipe network 7 on inner sidewall, perfusion tube 8 is mounted on the input terminal and output end of the liquid cooling pipe network 7, described in four
The other end of perfusion tube 8 reaches the exocoel of power control cabinet main body 1 and is separately mounted on the input terminal and output end of oil cooling machine 4,
The oil cooling machine 4 is fixedly mounted on the rear wall of power control cabinet main body 1, and oil cooling machine 4 starts, and is realized by four perfusion tubes 8 cold
But oil takes away the heat in 1 inner cavity of power control cabinet main body in 7 internal circulation flow of liquid cooling pipe network, cooperates water cooling system 6, heat dissipation
Better effect.
In the present embodiment, as shown in figures 2 and 5, the temperature control trigger assembly 9 includes being arranged on 1 inner wall of power control cabinet main body
Control box 91, the inner cavity of the control box 91 is slidably fitted with dynamic contact block 94, and the downside of dynamic contact block 94 is equipped with air bag 93, institute
The top for stating contact block 94 is equipped with stationary contact block 96, and stationary contact block 96 is fixedly mounted on the inner roof wall of control box 91, the dynamic touching
The side wall of block 94, which is equipped with, offers multiple relief holes 95, and the lower sidewall of the control box 91 offers temperature conduction mouth 92,
The dynamic contact block 94, stationary contact block 96 and cylinder 67, cooling fan 69 and oil cooling machine 4 are electrically connected, in 1 inner cavity of power control cabinet main body
Operation of electric element when generating heat, the heat in 1 inner cavity of power control cabinet main body is conducted to air bag 93,93 expanded by heating band of air bag
Dynamic contact block 94, which moves upwards, contradicts stationary contact block 96, and cylinder 67 starts at this time, drives two thermovent sealing plates 61 upward out
Thermovent 3；Cooling fan 69 starts, and the hot-air in 1 inner cavity of power control cabinet main body is discharged, and inject cool ambient air, utilizes sky
Gas circulation, realizes rapid cooling, substantially increases radiating efficiency；Oil cooling machine 4 starts, and cooling oil is in 7 inner recirculation flow of liquid cooling pipe network
It is dynamic, the heat in 1 inner cavity of power control cabinet main body is taken away, water cooling system 6, better heat-radiation effect are cooperated.
In the present embodiment, as shown in figure 4, the liquid cooling pipe network 7 is S-shaped inflection bend pipe net, and liquid cooling pipe network 7 is copper pipe,
It is effective to guarantee that cooling oil fully absorbs heat in the inner cavity of power control cabinet main body 1, improve radiating efficiency.
In the present embodiment, as shown in figure 3, the upper end of the spur rack 66 is equipped with sliding shoe 68, and sliding shoe 68 is slided
It is mounted in the sliding slot opened up on 1 inner roof wall of power control cabinet main body, effectively supports spur rack 66, guarantee 66 lower end of spur rack
Teeth are sufficiently engaged with Knucle-gear 65.
In the present embodiment, as shown in Figs. 1-5, the present invention also provides a kind of power control cabinet on the basis of above-mentioned cooling system,
Including power control cabinet main body 1 and cooling system, which uses cooling system described above, thus the power control cabinet also have it is upper
State beneficial effect possessed by cooling system.
In the present embodiment, as shown in Figure 1, the present invention also provides a kind of power control cabinet, including power control cabinet main body 1 and power control cabinet master
Multiple support legs of 1 lower end of body installation, support leg guarantees to support stablizing for power control cabinet main body 1, before the power control cabinet main body 1
Wall is equipped with cabinet door 2, and cabinet door 2 is equipped with door lock, convenient for opening and closing cabinet door 2, realizes installation and maintenance.
In the present embodiment, as shown in Fig. 2, the inner cavity of the power control cabinet main body 1 is equipped with the element of multiple horizontally-parallel settings
Mounting rack 5, element installation bracket 5 is used for the installation of electrical component, and the inner cavity of power control cabinet main body 1 is equipped with Xelminator 10, has
Electrostatic in 1 inner cavity of elimination power control cabinet main body of effect, prevents the generation of security risk.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member, easily according to above-described embodiment, understands spirit of the invention, and make different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (8)
1. a kind of power control cabinet cooling system, water cooling system and temperature control triggering group including power control cabinet body lumen is arranged in
Part；
It is characterized in that, the water cooling system includes two thermovents for being provided with power control cabinet main body symmetrical side top,
Cooling fan is installed, two opposite sides of the thermovent are equipped with thermovent sealing plate, the thermovent on thermovent
Sealing plate is slidably mounted on the inner wall of power control cabinet main body, and the upper end of the thermovent sealing plate is equipped with traction rope, and two
The other end of traction rope is around deflecting wheel and is wrapped in the same capstan winch, and the deflecting wheel is rotatably installed in the interior of power control cabinet main body
On roof, the capstan winch is mounted on the inner cavity top of power control cabinet main body by holder pivots, and one end of capstan winch is coaxially installed with
Knucle-gear, the Knucle-gear is engaged with the teeth on the downside of spur rack, and one end of spur rack is fixedly mounted on the output end of cylinder
On, cylinder is fixedly mounted on the inner roof wall of power control cabinet main body.
2. a kind of power control cabinet cooling system as described in claim 1, it is characterised in that: the power control cabinet cooling system further includes
There is the liquid cooling pipe network being arranged on power control cabinet main body relative inner wall, is respectively mounted on the input terminal and output end of the liquid cooling pipe network
There is perfusion tube, the other end of four perfusion tubes reaches the exocoel of power control cabinet main body and is separately mounted to the input of oil cooling machine
On end and output end, the oil cooling machine is fixedly mounted on the rear wall of power control cabinet main body.
3. a kind of power control cabinet cooling system as claimed in claim 2, it is characterised in that: the temperature control trigger assembly includes setting
Control box in power control cabinet main body inner wall, the inner cavity of the control box is slidably fitted with dynamic contact block, and sets on the downside of dynamic contact block
There is air bag, the top of the dynamic contact block is equipped with stationary contact block, and stationary contact block is fixedly mounted on the inner roof wall of control box, the dynamic touching
The side wall of block, which is equipped with, offers multiple relief holes, and the lower sidewall of the control box offers temperature conduction mouth, the dynamic touching
Block, stationary contact block and cylinder, cooling fan and oil cooling machine are electrically connected.
4. a kind of power control cabinet cooling system as claimed in claim 2 and power control cabinet, it is characterised in that: the liquid cooling pipe network is S
Shape inflection bend pipe net, and liquid cooling pipe network is copper pipe.
5. a kind of power control cabinet cooling system as described in claim 1 and power control cabinet, it is characterised in that: the upper end of the spur rack
Sliding shoe is installed, and sliding shoe is slidably mounted in the sliding slot opened up on power control cabinet main body inner roof wall.
6. a kind of power control cabinet, including power control cabinet main body 1 and cooling system, it is characterised in that: the cooling system is claim
Cooling system described in 1-5 any one.
7. a kind of power control cabinet, the multiple support legs installed including power control cabinet main body and power control cabinet lower body, it is characterised in that: institute
The antetheca for stating power control cabinet main body is equipped with cabinet door, and cabinet door is equipped with door lock.
8. a kind of power control cabinet as claimed in claim 7, it is characterised in that: the inner cavity of the power control cabinet main body is equipped with multiple transverse directions
Element installation bracket disposed in parallel, and the inner cavity of power control cabinet main body is equipped with Xelminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486837.4A CN110290675B (en) | 2019-06-05 | 2019-06-05 | Automatically controlled cabinet cooling system and automatically controlled cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486837.4A CN110290675B (en) | 2019-06-05 | 2019-06-05 | Automatically controlled cabinet cooling system and automatically controlled cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110290675A true CN110290675A (en) | 2019-09-27 |
| CN110290675B CN110290675B (en) | 2020-05-29 |
Family
ID=68003385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910486837.4A Active CN110290675B (en) | 2019-06-05 | 2019-06-05 | Automatically controlled cabinet cooling system and automatically controlled cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110290675B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235975A (en) * | 2020-10-03 | 2021-01-15 | 胡梦 | 5G communication base station ventilation heat radiation structure |
| CN112323079A (en) * | 2020-08-31 | 2021-02-05 | 安徽蓝德正华电子有限公司 | Surface rust removal device for assembly plate of lighting power distribution cabinet |
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| EP2142408A1 (en) * | 2007-05-09 | 2010-01-13 | Siemens Aktiengesellschaft | Cooling air feeding arrangement for a railway vehicle |
| CN205231527U (en) * | 2015-12-21 | 2016-05-11 | 上海宝菱电气控制设备有限公司 | IP54 protection level regulator cubicle that singly opens door |
| CN206163952U (en) * | 2016-10-17 | 2017-05-10 | 张大铭 | Multi -functional transformer case can dispel heat safely |
| CN208272445U (en) * | 2018-04-26 | 2018-12-21 | 清远市鼎兴泰机械设备有限公司 | A kind of electrical cabinet installation height-regulating device |
| CN109198901A (en) * | 2018-09-20 | 2019-01-15 | 合肥梦龙电子科技有限公司 | A kind of Intelligent clothes cabinet with automatic humidity-discharging device |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2142408A1 (en) * | 2007-05-09 | 2010-01-13 | Siemens Aktiengesellschaft | Cooling air feeding arrangement for a railway vehicle |
| CN205231527U (en) * | 2015-12-21 | 2016-05-11 | 上海宝菱电气控制设备有限公司 | IP54 protection level regulator cubicle that singly opens door |
| CN206163952U (en) * | 2016-10-17 | 2017-05-10 | 张大铭 | Multi -functional transformer case can dispel heat safely |
| CN208272445U (en) * | 2018-04-26 | 2018-12-21 | 清远市鼎兴泰机械设备有限公司 | A kind of electrical cabinet installation height-regulating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112323079A (en) * | 2020-08-31 | 2021-02-05 | 安徽蓝德正华电子有限公司 | Surface rust removal device for assembly plate of lighting power distribution cabinet |
| CN112235975A (en) * | 2020-10-03 | 2021-01-15 | 胡梦 | 5G communication base station ventilation heat radiation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110290675B (en) | 2020-05-29 |
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