CN203554257U - Current transformer cabinet - Google Patents
Current transformer cabinet Download PDFInfo
- Publication number
- CN203554257U CN203554257U CN201320602203.9U CN201320602203U CN203554257U CN 203554257 U CN203554257 U CN 203554257U CN 201320602203 U CN201320602203 U CN 201320602203U CN 203554257 U CN203554257 U CN 203554257U
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- Prior art keywords
- cabinet
- chamber
- evaporator
- blower fan
- current transformer
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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.)
- Expired - Lifetime
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- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims description 45
- 238000009434 installation Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract 3
- 239000003507 refrigerant Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a current transformer cabinet comprising a cabinet body; a current transformer heat dissipation component and a cooling system, which are disposed in the cabinet body. The cooling system comprises a blower fan 1, a blower fan 2, an evaporator, a compressor, and a condenser. The evaporator, the compressor, and the condenser are sequentially connected together to form a closed loop by pipelines, and the closed loop comprises refrigerant. The cabinet body can be divided into a chamber 1 and a chamber 2 by a separation board in a sealed manner. The current transformer heat dissipation component, the evaporator, and the blower fan 1 are disposed in the chamber 1. The lower part of the chamber 1 is provided with the current transformer heat dissipation component, and the upper part of the chamber 1 is provided with the evaporator. An air cavity 1 is disposed between the blower fan 1 and the evaporator, and the blower fan 1 can be used to drive the air in the chamber 1 to flow. The condenser is disposed in the chamber 2 or is used as the wall of the chamber 2, and an air cavity 2 is disposed between the condenser and the blower fan 2. The blower fan 2 is disposed in the chamber 2 or outside the chamber 2, and the external circulation can be formed under the driving of the blower fan 2. The compressor is disposed in the cabinet body or outside the cabinet body. The current transformer cabinet is advantageous in that the protection grade and the operation safety performance of the current transformer cabinet can be improved at the same time; the temperature can be adjusted constantly, and the structure and the layout of the integral cabinet can be compact and reasonable.
Description
Technical field
The utility model relates to a kind of and integrated converter cabinet of cooling system.
Background technology
The type of cooling of existing converter cabinet (comprising wind electric converter cabinet, photovoltaic DC-to-AC converter cabinet) mainly contains two kinds, and a kind of is that outside air enters in converter cabinet under the promotion of blower fan, forms forced convertion cooling, belongs to open cooling system; Another kind is that the liquid radiator of flowing through under the promotion of water pump forms a closed cycle, reaches the object of cooling high-power device, belongs to closed cooling system.
As shown in Figure 1, adopt the defect of air cooled open cooling system to be, some high-power device (as frequency converter) belongs to open loop system, must allow itself and the extraneous exchange that has matter and energy, like this, extraneous dust, sandy soil are difficult to can, along with air enters these high-power devices inside together, can meet safety to these high-power device internal structures and require to cause tremendous influence with avoiding.For avoiding dust access to plant inner, promote complete machine degree of protection, conventionally at equipment opening part, labyrinth is set and the closeer dustproof cotton of percent opening is filtered entering air, but, this dustproof construction can be to air-flow the larger resistance of mobile generation, reduce air current flow speed, greatly affect radiating effect.
As shown in Figure 2, adopt the closed cooling system of liquid cools, although the degree of protection of complete machine has obvious lifting,, owing to adopting liquid cools to have fluid seepage risk, equipment whole aircraft reliability is reduced; Meanwhile, adopt liquid cools, device structure build is huge, involves great expense.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of converter cabinet, the defect that the type of cooling is unreasonable, liquid cools reliability is low, device structure build is huge, manufacturing cost is high that overcomes existing converter cabinet.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of converter cabinet, comprise cabinet, be arranged on the current transformer heating element in cabinet, it is characterized in that, also comprise cooling system, this cooling system comprises blower fan one, blower fan two, by pipeline, is in turn connected into evaporator, compressor, the condenser of loop, and this loop comprises cold-producing medium;
Described cabinet comprises dividing plate, and this dividing plate is by airtight chamber one and the chamber two of being isolated into of cabinet;
Described current transformer heating element, evaporator, blower fan one are arranged in this chamber one, between this blower fan one and evaporator, wind chamber one are set, the Air Flow that blower fan one promotes in this chamber one;
Described condenser is positioned at described chamber two or as the chamber wall of described chamber two, between this condenser and described blower fan two, comprises wind chamber two, and this blower fan two is positioned at outside described chamber two or chamber two and by this blower fan two and drives and form outer circulation;
Described compressor is arranged in described cabinet or outside described cabinet.
In converter cabinet of the present utility model, described chamber two is positioned at the top of described chamber one or is positioned at the upper side of described chamber one.
In converter cabinet of the present utility model, described chamber one comprises air duct board, this air duct board vertically arrange and be connected with described dividing plate, both sides are connected with cabinet biside plate inwall, the space of this air duct board and described evaporator, cabinet front door, two side wall panels, base plate and the described current transformer heating element of described dividing plate formation installation; This air duct board and cabinet squab panel form air channel separately and with cabinet squab panel, two side wall panels, top board and base plate, and this lower end, air channel comprises the leg space ventilation mouth that is communicated with installation described current transformer heating element space; This is installed described current transformer heating element space and is communicated with this top, air channel through described evaporator;
Or described chamber one comprises air duct board, this air duct board is vertically arranged, its upside is connected with described dividing plate, cabinet top board, both sides are connected with door-plate before and after cabinet, and this air duct board and described evaporator, cabinet front door, Rear Door, sidewall paneling one, base plate, top board and described dividing plate form the space that described current transformer heating element is installed; This air duct board and described evaporator, cabinet front door, Rear Door, sidewall paneling two, base plate, top board and described dividing plate form air channel, and this lower end, air channel comprises the leg space ventilation mouth that is communicated with installation described current transformer heating element space; This is installed described current transformer heating element space and is communicated with this top, air channel through described evaporator.
In converter cabinet of the present utility model, described evaporator is connected and is positioned at the described current transformer heating element side of installation with described air duct board is airtight, and described blower fan one is arranged in described air channel;
Or described evaporator is connected and is positioned at described air channel side with described air duct board is airtight, described blower fan one is arranged in described air channel.
In converter cabinet of the present utility model, between described evaporator and described current transformer heating element, wind chamber three is set.
In converter cabinet of the present utility model, described blower fan one is axial flow blower, the airtight connection of bottom air inlet periphery in this blower fan periphery and described air channel; Or described blower fan one is centrifugal blower.
In converter cabinet of the present utility model, comprise evaporator pallet, this evaporator pallet is connected on the mounting structure in the chamber one of described cabinet, described evaporator is vertically arranged, this base of evaporator is arranged in this evaporator pallet, and this evaporator pallet comprises the discharge outlet of leading to outside described cabinet.
In converter cabinet of the present utility model, described wind chamber two consists of the chamber two of described cabinet, and described condenser and blower fan two are arranged on the wall of this chamber two.
In converter cabinet of the present utility model, described blower fan two is axial flow blower, and this blower fan two is connected to the roof outside of described chamber two.
In converter cabinet of the present utility model, comprise condenser pallet, this condenser pallet is connected on the mounting structure in described cabinet inner cavity chamber two, described condenser is vertically arranged, this condenser bottom is arranged in this condenser pallet, and this condenser pallet comprises the discharge outlet of leading to the outer one or both sides of described cabinet.
Implement converter cabinet of the present utility model, compared with the prior art, its beneficial effect is:
1. cooling owing to adopting cooling system to carry out sealing air-flow, not only improved the cooling effectiveness of converter cabinet to heating element, also improved the complete machine degree of protection of converter cabinet simultaneously, improved the safety in operation of converter cabinet;
2. by the control to cooling system, the inlet temperature that can control cool cycles air-flow is constant in 25 degree left and right, effectively reduces the generation of converter cabinet system condensation risk;
3. cooling system and current transformer host computer system is integrated, and complete machine structure compact in design is reasonable.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that existing high-power device adopts open cooling system.
Fig. 2 is the schematic diagram that existing high-power device adopts closed cooling system.
Fig. 3 is the schematic diagram of the utility model converter cabinet.
Fig. 4 is that converter cabinet embodiment mono-of the present utility model is along the cross-sectional view of cabinet thickness direction.
Fig. 5 is that converter cabinet embodiment bis-of the present utility model is along the cross-sectional view of cabinet thickness direction.
Fig. 6 is that converter cabinet embodiment tri-of the present utility model is along the cross-sectional view of cabinet thickness direction.
The Facad structure schematic diagram of Fig. 7 converter cabinet embodiment tetra-of the present utility model.
The cross-sectional view along cabinet thickness direction of Fig. 8 converter cabinet embodiment tetra-of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment mono-
As shown in Figure 3, Figure 4, converter cabinet of the present utility model comprises cabinet 1, is arranged on current transformer heating element and cooling system in cabinet 1.Cooling system comprises blower fan 1, blower fan 2 13, by pipeline, is in turn connected into evaporator 2, compressor 15, the condenser 11 of loop, and this pipeline comprises the pipeline assemblies such as expansion valve, and the cold-producing medium of annotating in this loop makes cooling system realize refrigeration.
As shown in Figure 4, cabinet 1 arranges dividing plate 14, and this dividing plate 14 is by airtight chamber one and the chamber two of being isolated into of cabinet 1, and chamber one is positioned at chamber two belows.
Current transformer heating element, evaporator 2, blower fan 1 are arranged in chamber one, current transformer heating element is positioned at the bottom of chamber one, evaporator 2 is positioned at the top of current transformer heating element, between blower fan 1 and evaporator 2, wind chamber 1 is set, the Air Flow that blower fan 1 promotes in chamber one, carries out cooling to current transformer heating element.
In an embodiment, current transformer heating element comprises and is from bottom to top arranged on the structural reactor 7 of cabinet 1, chopper resistance 8 and power cell 9, and wherein power cell 9 is vertically arranged in cabinet 1 side by side by a plurality of power models.In other embodiments, according to the design needs of current transformer, current transformer heating element can comprise and is from bottom to top arranged on the structural reactor 7 of cabinet 1 and power cell 8, or current transformer heating element only includes power cell 8, also can adopt combination and the order of placement of other current transformer heating elements, for example: the distribution element of current transformer mesh element etc.
The alleged current transformer heating element of the utility model refers to the current transformer components and parts that current transformer when work can generate heat, and includes but not limited to reactor, resistance, power cell, electric capacity, contactor, circuit breaker, relay, transformer, Hall element, current transformer and voltage transformer, UPS(uninterrupted power supply), heater, copper bar; Current transformer distribution element includes but not limited to contactor, circuit breaker, relay, transformer; Current transformer mesh element are to include but not limited to circuit breaker, contactor, UPS(uninterrupted power supply), heater.
In the present embodiment, for realizing the inner air circulation in chamber one, improve cooling effectiveness, adopt following structure: chamber one comprises air duct board 6, this air duct board 6 is vertically arranged and is connected with dividing plate 14, both sides are connected with cabinet 1 biside plate inwall, it (can be airtight connection of perforate of end face with the air duct board 6 of evaporator 2 that air duct board 6 is connected with evaporator 2 is airtight, also can be the periphery of evaporator 2 with perforate on air duct board 6 airtight be connected or evaporator 2 by a structural member airtight connection of perforate with air duct board 6), air duct board 6 and evaporator 2, cabinet front door, two side wall panels, base plate and dividing plate 14 form the space that current transformer heating element is installed.Air duct board 6 forms air channel 5 separately and with cabinet squab panel, two side wall panels, top board and base plate with cabinet squab panel, and the lower end in this air channel 5 comprises the leg space ventilation mouth that is communicated with installation current transformer heating element space.Ventilation hole is offered through evaporator 2(air duct board 6 in this installation current transformer heating element space) be communicated with 5 tops, air channel.The air channel that said structure forms takes full advantage of cabinet body structure, guarantees that cabinet body structure is simple, compact, and size is little, low cost of manufacture.
Above-mentioned " space of current transformer heating element is installed " comprising: cabinet 1 is installed the physical space and the wind-guiding wind cavity space of this physical space to evaporator 2 air intake surfaces of current transformer heating element.
Above-mentioned " air channel " refers to: be communicated with the leg space ventilation mouth in " space that current transformer heating element is installed " to the wind-guiding wind cavity space of evaporator 2 rear side air outlets.The rear side air port of evaporator 2 can be the air port (when blower fan 1 is arranged on air channel leg space ventilation mouth) of evaporator 2 self, can be also the air port (when blower fan 1 is through wind chamber one 3 while connecting evaporator 2) of blower fan 1.
In the present embodiment, current transformer heating element is positioned at the bottom in the space that current transformer heating element is installed, and evaporator 2 is positioned at the top in the space that current transformer heating element is installed.Particularly, evaporator 2 is vertically arranged (air intake surface that is condenser is vertically arranged) and is connected with air duct board 6 is airtight.In other embodiments, as required, can, by evaporator horizontal arrangement (being the air intake surface horizontal arrangement of condenser), also can realize the object of the invention.
In the present embodiment, between evaporator 2 and power cell 9, wind chamber 10 is set, by the ventilating opening of distinguished and admirable importing evaporator 2.While wind chamber 10 also can be guaranteed distinguished and admirable from being vertically arranged on side by side between a plurality of power models cabinet 1 and passing, and makes the cooling-down effect of power cell 9 better.
In the present embodiment, blower fan 1 adopts centrifugal blower, this blower fan 1 is positioned at air channel 5 adjacent with evaporator 2, blower fan 1 is connected by wind chamber 1 with evaporator 2, and blower fan one 4 air outlets are downward, distinguished and admirable under the promotion of blower fan 1, in air channel 5, move downward, in current transformer heating element space is installed, move upward, through evaporator, enter air channel 5, circulation (being that Fig. 4 circulates clockwise) in forming.In other embodiments, blower fan one 4 air outlets can lead to wind chamber 1, distinguished and admirable under the promotion of blower fan 1, in air channel 5, move upward, and in heating element installing space, move downward, and through air channel, 5 enter evaporator, circulation in forming.
In other embodiments, blower fan 1 adopts axial flow blowers, and blower fan 1 is arranged on to 5 bottoms, air channel, blower fan one 4 air outlets or air inlet be lower end, air channel leg space ventilation mouth (now, air channel 5 becomes the wind chamber between evaporator 2 and blower fan 1), also can realize the object of the invention.
In other embodiments, air channel 5 is not set, does not affect the realization of the basic goal of the invention of the utility model.
When evaporator 2 is vertically arranged, for fear of the condensed water of evaporator 2, bleed cabinet in, evaporator pallet (not shown) is set.Evaporator pallet is connected on the mounting structure in the chamber one of cabinet 1, and the bottom of evaporator 2 is arranged in this evaporator pallet, and the discharge outlet outside cabinet 1 is led in this evaporator pallet setting.
As shown in Figure 4, condenser 11 is set to the chamber wall of chamber two, blower fan 2 13 is arranged on to the roof outside (now blower fan 2 13 can adopt centrifugal blower or axial flow blower) of chamber two, chamber two, as the wind chamber 12 between blower fan 2 13 and condenser 11, forms outer circulation under the driving of blower fan 2 13.
In other embodiments, blower fan 2 13 can be arranged on to sidewall outside or the inside sidewalls of chamber two, also can be arranged on the roof inner side of chamber two.
In other embodiments, condenser 11 and blower fan 2 13 all can be arranged in chamber two, between condenser 11 and blower fan 2 13, wind chamber be set.
Compressor 15 is arranged among cabinet 1 or is arranged on outside cabinet 1.
Embodiment bis-
As shown in Figure 5, the present embodiment is substantially identical with embodiment mono-, and difference is:
1, cabinet 1 is by airtight chamber one and the chamber two of being separated into of dividing plate 14, and chamber one is positioned under chamber two, and dividing plate 14 forms the top board that current transformer heat radiation elements space is installed.
2, chamber one arranges air duct board 6, air duct board 6 vertically arrange and be connected with dividing plate 14, both sides are connected with cabinet 1 biside plate inwall, the space of air duct board 6 and front door, two side wall panels, base plate and the dividing plate 14 formation installation current transformer heat radiation elements of cabinet 1; Air duct board 6 forms air channel 5 separately and with cabinet squab panel, two side wall panels, dividing plate 14 and base plate with cabinet squab panel.
3, in the present embodiment, evaporator 2 is vertically arranged in air channel 5, its periphery be connected with air duct board 6 is airtight (can be airtight connection of perforate of end face with the air duct board 6 of evaporator 2, can be also the periphery of evaporator 2 with perforate on air duct board 6 airtight be connected or evaporator 2 by a structural member airtight connection of perforate with air duct board 6).Air duct board 6 arranges the wind chamber 3 10 that connects ventilation hole and power cell 9 side surfaces.In other embodiments, evaporator 2 can horizontal arrangement in air channel 5.
4, in the present embodiment, blower fan 1 adopts centrifugal blower, and this blower fan 1 is positioned at air channel 5 and its air outlet is downward; Or blower fan 1 adopts axial flow blowers, the airtight connection of bottom air inlet periphery in the periphery of this blower fan 1 and air channel 5.
5, in the present embodiment, condenser 11, blower fan 2 13 and wind chamber 2 12 are positioned at chamber two, and blower fan 2 13 adopts centrifugal blower, air outlet upwards, and blower fan 2 13 drives the distinguished and admirable outer circulation that realizes.In other embodiments, wind chamber 2 12 consists of chamber two, and condenser 11 and blower fan 2 13 are arranged on the wall of this chamber two.
Embodiment tri-
As shown in Figure 6, the present embodiment and embodiment bis-are basic identical, and difference is: chamber two is positioned at 5 tops, air channel and the side in current transformer heat radiation elements space is installed.
Embodiment tetra-
As shown in Figure 7, Figure 8, the present embodiment and embodiment mono-are basic identical, difference is: air duct board 6 is vertically arranged, upside is connected with dividing plate 14, cabinet top board, both sides are connected with door-plate before and after cabinet, and air duct board 6 forms with evaporator 2, cabinet front door, Rear Door, sidewall paneling 1, base plate, top board and dividing plate 14 space that current transformer heating element is installed; Air duct board 6 forms air channel 5 with evaporator 2, cabinet front door, Rear Door, sidewall paneling 2 102, base plate, top board and dividing plate 14, and 5 lower ends, air channel comprise the leg space ventilation mouth that is communicated with installation current transformer heating element space; This is installed current transformer heating element space and is communicated with these 5 tops, air channel through evaporator 2.
Claims (10)
1. a converter cabinet, comprise cabinet, be arranged on the current transformer heating element in cabinet, it is characterized in that, also comprise cooling system, this cooling system comprises blower fan one, blower fan two, by pipeline, is in turn connected into evaporator, compressor, the condenser of loop, and this loop comprises cold-producing medium;
Described cabinet comprises dividing plate, and this dividing plate is by airtight chamber one and the chamber two of being isolated into of cabinet;
Described current transformer heating element, evaporator, blower fan one are arranged in this chamber one, between this blower fan one and evaporator, wind chamber one are set, the Air Flow that blower fan one promotes in this chamber one;
Described condenser is positioned at described chamber two or as the chamber wall of described chamber two, between this condenser and described blower fan two, comprises wind chamber two, and this blower fan two is positioned at outside described chamber two or chamber two and by this blower fan two and drives and form outer circulation;
Described compressor is arranged in described cabinet or outside described cabinet.
2. converter cabinet as claimed in claim 1, is characterized in that, described chamber two is positioned at the top of described chamber one or is positioned at the upper side of described chamber one.
3. converter cabinet as claimed in claim 2, it is characterized in that, described chamber one comprises air duct board, this air duct board vertically arrange and be connected with described dividing plate, both sides are connected with cabinet biside plate inwall, the space of this air duct board and described evaporator, cabinet front door, two side wall panels, base plate and the described current transformer heating element of described dividing plate formation installation; This air duct board and cabinet squab panel form air channel separately and with cabinet squab panel, two side wall panels, top board and base plate, and this lower end, air channel comprises the leg space ventilation mouth that is communicated with installation described current transformer heating element space; This is installed described current transformer heating element space and is communicated with this top, air channel through described evaporator;
Or described chamber one comprises air duct board, this air duct board is vertically arranged, its upside is connected with described dividing plate, cabinet top board, both sides are connected with door-plate before and after cabinet, and this air duct board and described evaporator, cabinet front door, Rear Door, sidewall paneling one, base plate, top board and described dividing plate form the space that described current transformer heating element is installed; This air duct board and described evaporator, cabinet front door, Rear Door, sidewall paneling two, base plate, top board and described dividing plate form air channel, and this lower end, air channel comprises the leg space ventilation mouth that is communicated with installation described current transformer heating element space; This is installed described current transformer heating element space and is communicated with this top, air channel through described evaporator.
4. converter cabinet as claimed in claim 3, is characterized in that, described evaporator is connected and is positioned at the described current transformer heating element side of installation with described air duct board is airtight, and described blower fan one is arranged in described air channel;
Or described evaporator is connected and is positioned at described air channel side with described air duct board is airtight, described blower fan one is arranged in described air channel.
5. converter cabinet as claimed in claim 4, is characterized in that, between described evaporator and described current transformer heating element, wind chamber three is set.
6. converter cabinet as claimed in claim 4, is characterized in that, described blower fan one is axial flow blower, the airtight connection of bottom air inlet periphery in this blower fan periphery and described air channel; Or described blower fan one is centrifugal blower.
7. converter cabinet as claimed in claim 5, it is characterized in that, comprise evaporator pallet, this evaporator pallet is connected on the mounting structure in the chamber one of described cabinet, described evaporator is vertically arranged, this base of evaporator is arranged in this evaporator pallet, and this evaporator pallet comprises the discharge outlet of leading to outside described cabinet.
8. the converter cabinet as described in one of claim 1 to 6, is characterized in that, described wind chamber two consists of the chamber two of described cabinet, and described condenser and blower fan two are arranged on the wall of this chamber two.
9. converter cabinet as claimed in claim 8, is characterized in that, described blower fan two is axial flow blower, and this blower fan two is connected to the roof outside of described chamber two.
10. the converter cabinet as described in one of claim 1 to 6, it is characterized in that, comprise condenser pallet, this condenser pallet is connected on the mounting structure in described cabinet inner cavity chamber two, described condenser is vertically arranged, this condenser bottom is arranged in this condenser pallet, and this condenser pallet comprises the discharge outlet of leading to the outer one or both sides of described cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320602203.9U CN203554257U (en) | 2013-09-27 | 2013-09-27 | Current transformer cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320602203.9U CN203554257U (en) | 2013-09-27 | 2013-09-27 | Current transformer cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554257U true CN203554257U (en) | 2014-04-16 |
Family
ID=50472318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320602203.9U Expired - Lifetime CN203554257U (en) | 2013-09-27 | 2013-09-27 | Current transformer cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554257U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490595A (en) * | 2013-09-27 | 2014-01-01 | 深圳市禾望电气有限公司 | Converter cabinet |
| CN105934113A (en) * | 2016-05-16 | 2016-09-07 | 丰郅(上海)新能源科技有限公司 | Heat dissipation device with waterproof function |
| CN107432100A (en) * | 2015-04-10 | 2017-12-01 | 利塔尔两合公司 | Cooling devices for air conditioning of switchgear |
| CN109842277A (en) * | 2019-02-01 | 2019-06-04 | 广东美的暖通设备有限公司 | Frequency converter |
-
2013
- 2013-09-27 CN CN201320602203.9U patent/CN203554257U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490595A (en) * | 2013-09-27 | 2014-01-01 | 深圳市禾望电气有限公司 | Converter cabinet |
| CN103490595B (en) * | 2013-09-27 | 2017-01-04 | 深圳市禾望电气股份有限公司 | A kind of converter cabinet |
| CN107432100A (en) * | 2015-04-10 | 2017-12-01 | 利塔尔两合公司 | Cooling devices for air conditioning of switchgear |
| CN107432100B (en) * | 2015-04-10 | 2020-12-18 | 利塔尔两合公司 | Cooling equipment for switchgear air conditioning |
| CN105934113A (en) * | 2016-05-16 | 2016-09-07 | 丰郅(上海)新能源科技有限公司 | Heat dissipation device with waterproof function |
| CN105934113B (en) * | 2016-05-16 | 2020-06-26 | 丰郅(上海)新能源科技有限公司 | Heat dissipation device with waterproof function |
| CN109842277A (en) * | 2019-02-01 | 2019-06-04 | 广东美的暖通设备有限公司 | Frequency converter |
| CN109842277B (en) * | 2019-02-01 | 2024-09-10 | 广东美的暖通设备有限公司 | Frequency converter |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HOPEWIND ELECTRIC CO., LTD. Free format text: FORMER NAME: SHENZHEN HEWANG ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili town village official Liuzhou Industrial Zone No. 5 Building second layer 1-3 Patentee after: Shenzhen's standing grain hopes electric limited company Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Dragon Village Second Industrial District 5 Building 5 floor Patentee before: Shenzhen Hewang Electric Co., Ltd. |