CN210042473U - Electric appliance cabinet and converter - Google Patents

Abstract

The utility model discloses an electric appliance cabinet and converter, electric appliance cabinet includes: the electric cabinet comprises a first cabinet body and a second cabinet body, wherein the second cabinet body can contain electric devices; the liquid cooling host is arranged in the first cabinet body and can generate low-temperature liquid; the heat exchanger is arranged in the first cabinet body and is communicated with the liquid cooling main machine liquid path, so that the gas passing through the heat exchanger exchanges heat with the low-temperature liquid and is converted into low-temperature gas; and the gas conveying device is communicated with the first cabinet body and the second cabinet body, and the gas conveying device conveys low-temperature gas in the first cabinet body to the second cabinet body. According to the utility model provides an electric appliance cabinet sets up liquid cooling host computer and electrical part mutual isolation, can avoid taking place the influence of weeping to electrical part performance because of the liquid cooling host computer.

Description

Electric appliance cabinet and converter

Technical Field

The utility model relates to a cabinet body heat transfer field, concretely relates to electric appliance cabinet and converter.

Background

With the continuous development of power electronic technology, converter technology is mature and widely applied to various industries (such as wind power industry and rail transit equipment). Meanwhile, the demands of smaller volume, larger capacity and more functions are also met.

For the converter, good heat dissipation capacity and proper working environment temperature have great significance on the converter, and the service life of internal electronic components and electric parts is determined to a great extent. Therefore, for the converter with small space and large capacity, how to design an effective, simple and reliable heat dissipation system is very important.

The current running wind generating set converter generally adopts a forced air cooling or liquid cooling mode, wherein the converter with lower power mostly adopts the forced air cooling mode, and for the medium and large wind generating set converter, the cooling requirement can be met only by adopting a circulating liquid cooling mode.

However, the liquid cooling mode can not take away all the heat of each device in the converter cabinet, and the liquid cooling device is not isolated from the electric device, and when the liquid leakage of the liquid cooling rotating part occurs, the electric device is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric appliance cabinet and converter influences the problem of electric appliance performance when solving the liquid cooling device and taking place the weeping.

In one aspect, the utility model provides an electric appliance cabinet, it includes: the electric cabinet comprises a first cabinet body and a second cabinet body, wherein the second cabinet body can contain electric devices; the liquid cooling host is arranged in the first cabinet body and can generate low-temperature liquid; the heat exchanger is arranged in the first cabinet body and is communicated with the liquid cooling main machine liquid path, so that the gas passing through the heat exchanger exchanges heat with the low-temperature liquid and is converted into low-temperature gas; and the gas conveying device is communicated with the first cabinet body and the second cabinet body, and the gas conveying device conveys low-temperature gas in the first cabinet body to the second cabinet body.

According to an aspect of the embodiment of the utility model, the first cabinet body includes first cavity and second cavity, and the electric appliance cabinet is equipped with the first separator that is separated by first cavity and second cavity, and wherein, gaseous conveyor sets up in first cavity to the first cavity of intercommunication and the second cabinet body, the liquid cooling host computer sets up in the second cavity, and first separator is equipped with the first opening of intercommunication first cavity and second cavity, and the heat exchanger sets up in first opening.

According to the utility model discloses an aspect, electric appliance cabinet still includes: the first mounting plate is fixed in the first cavity and can be used for mounting electric devices, wherein the heat exchanger, the first mounting plate and the gas conveying device are arranged along a first direction, the first mounting plate is located between the heat exchanger and the gas conveying device, at least one heat dissipation channel is formed in the first mounting plate, and the heat dissipation channel extends along the first direction.

According to the utility model discloses an aspect, the first cabinet body and the second cabinet body separate the setting through the baffle, are provided with second opening and third opening on the baffle, and gas conveying device's gas outlet is connected with the second opening to carry the internal low temperature gas of first cabinet to the second cabinet body through the second opening, the internal high temperature gas of second cabinet can flow to the first cabinet body through the third opening, and high temperature gas can change into low temperature gas through the heat exchanger heat transfer.

According to the utility model discloses an aspect, the first cabinet body still includes the third chamber, and the third chamber can hold the electrical part, and third chamber and second chamber gas circuit intercommunication, third opening are with the second cabinet body and third chamber intercommunication, and wherein, first chamber and third chamber set up side by side in second cavity top.

According to the utility model discloses an aspect, the second cabinet body includes two or more electrical apparatus cavities, every electrical apparatus cavity can hold the electrical apparatus, two or more electrical apparatus cavities concatenate side by side and mutual gas circuit intercommunication, two or more electrical apparatus cavities are including being located the first electrical apparatus cavity of the first position of tandem structure and being located the second electrical apparatus cavity of the last position of tandem structure side by side, first electrical apparatus cavity passes through gas conveying device and second opening and first cabinet body intercommunication, second electrical apparatus cavity passes through third opening and first cabinet body intercommunication.

According to the utility model discloses an aspect, electric appliance cabinet still includes: the flow guide device is arranged at the top of the first electric appliance cavity and comprises a guide cover and a flow distribution structure arranged in the guide cover, a guide channel communicated with the gas conveying device is formed inside the guide cover, the guide channel can guide flowing-through gas flow, and the flow distribution structure can distribute the flowing-through gas flow.

According to the utility model discloses an aspect, electric appliance cabinet still includes: the second mounting panel, third mounting panel and fourth mounting panel, be fixed in the first electrical apparatus cavity, the second mounting panel, the electrical apparatus can be installed to third mounting panel and fourth mounting panel, the second mounting panel, the third mounting panel, the fourth mounting panel encloses into half surrounding structure, wherein the third mounting panel sets up with the fourth mounting panel relatively, the direction passageway leads to the air current of flowing through, make the air current can pass through the second mounting panel, the reposition of redundant personnel structure makes partly of air current can pass through the third mounting panel, and make partly of air current can pass through the fourth mounting panel.

According to an aspect of the embodiment of the utility model, first electrical apparatus cavity sets up with the second electrical apparatus cavity is adjacent side by side, and the electrical cabinet is equipped with the second separator that is separated by first electrical apparatus cavity and second electrical apparatus cavity, and the bottom of second separator is separated by the setting with the diapire of the second cabinet body, and the bottom of second separator encloses jointly with the lateral wall of the second cabinet body and closes formation and make first electrical apparatus cavity and second electrical apparatus cavity gas circuit intercommunication fourth opening.

According to the utility model discloses an aspect, electric appliance cabinet still includes: and the fifth mounting plate is fixed in the second electrical appliance cavity and can mount electrical appliances, wherein the third mounting plate and the fifth mounting plate are respectively arranged on two opposite sides of the second isolating piece, the third mounting plate and the fifth mounting plate are respectively provided with an electrical appliance mounting surface, and the electrical appliance mounting surface of the third mounting plate and the electrical appliance mounting surface of the fifth mounting plate are deviated from each other.

On the other hand, the embodiment of the utility model provides a converter, it includes: the electric appliance cabinet comprises an electric appliance cabinet body and electric appliances arranged in the electric appliance cabinet body, wherein the electric appliances comprise at least one of a current transformer, a control device, an electric connector, a safety device, a capacitor and a resistor.

According to the utility model provides an electric appliance cabinet and converter adopts the cooperation of liquid cooling host computer and heat exchanger to produce the low temperature gas at the internal of first cabinet, can improve the efficiency that the low temperature gas produced through the heat transfer with the cryogenic liquid, and the low temperature gas is compared liquid and can be carried out the heat transfer with the electrical part of treating the heat transfer more fully simultaneously to combine liquid cooling and the heat dispersion that the forced air cooling improved electric appliance cabinet and converter. Wherein, in this electric appliance cabinet and converter, with liquid cooling host computer and the mutual isolation setting of electrical part, can avoid taking place the influence of weeping to electrical part performance because of the liquid cooling host computer.

Drawings

Other features, objects and advantages of the invention will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings, in which like or similar reference characters identify the same or similar features.

Fig. 1 shows a perspective view of an electrical cabinet according to an embodiment of the present invention;

fig. 2 shows a front view of an electrical cabinet according to an embodiment of the present invention;

fig. 3 shows a rear view of an electrical cabinet according to an embodiment of the present invention;

fig. 4 shows a left side view of an electrical cabinet according to an embodiment of the present invention;

fig. 5 shows a right side view of an electrical cabinet according to an embodiment of the present invention;

fig. 6 shows a top view of an electrical cabinet according to an embodiment of the present invention;

fig. 7a and 7b are perspective views of a flow guiding device in an electrical cabinet according to an embodiment of the present invention;

fig. 8 shows an exploded perspective view of a deflector in an electrical cabinet according to an embodiment of the present invention;

fig. 9 shows a schematic diagram of the connection between the electrical cabinet and the heat exchange assembly according to the embodiment of the present invention.

In the figure:

110-a first cabinet; 111-a first chamber; 112-a second chamber; 113-a third chamber;

120-a second cabinet; 121-a first appliance chamber; 122-a second appliance chamber;

130-a liquid-cooled host; 131-an interface;

140-a heat exchanger;

150-a gas delivery device;

161-a first spacer; 162-a second spacer; 163-a separator;

171-a first opening; 172-a second opening; 173-a third opening; 174-a fourth opening;

181-a first mounting plate; 182-a second mounting plate; 183-third mounting plate; 184-a fourth mounting plate; 185-a fifth mounting plate; 186-sixth mounting plate;

190-a flow guide device;

191-a guide housing; 192-a flow splitting arrangement; 1921-a first flow divider; 1922-a second flow divider; 193-a guide channel;

200-an electrical device;

300-a heat exchange assembly;

l1 — first line; l2 — second line;

x-a first direction.

Detailed Description

The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

An embodiment of the utility model provides an electric appliance cabinet, its inside electrical part that can hold to heat transfer system has, thereby realize the heat transfer of electrical part in the electric appliance cabinet. In the following, a heat exchange system of the electrical cabinet is used for dissipating heat of the electrical device, and in other embodiments, the electrical device may be heated or kept warm by the heat exchange system.

Fig. 1 shows a perspective view of an electrical cabinet according to an embodiment of the present invention, the electrical cabinet of this embodiment includes a first cabinet body 110 and a second cabinet body 120, the first cabinet body 110 and the second cabinet body 120 can be arranged side by side, the first cabinet body 110 and the second cabinet body 120 can be formed by enclosing a plurality of plates, and for clearly showing the internal structure of the electrical cabinet, part of the plates of the first cabinet body 110 and the second cabinet body 120 are shown in hidden in fig. 1.

Fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 show respectively a front view, a rear view, a left side view, a right side view, a top view of an electrical cabinet according to an embodiment of the present invention. In the above drawings, part of the panels of the first and second cabinets 110 and 120 are hidden from view in some of the drawings. The electric appliance cabinet of the embodiment of the present invention further includes a liquid cooling host 130, a heat exchanger 140 and a gas conveying device 150.

As described above, the first and second cabinets 110 and 120 may be formed by enclosing a plurality of panels, wherein the second cabinet 120 can accommodate the electric devices 200.

The liquid cooling host 130 is disposed in the first cabinet 110, and can generate low temperature liquid by performing heat exchange with the outside of the electrical cabinet, and in some embodiments, the liquid cooling host 130 may be a water cooling host, so as to generate low temperature water.

The heat exchanger 140 may be a gas-liquid heat exchanger, which is also disposed in the first cabinet 110 and is in fluid communication with the liquid cooling host 130, so that the gas passing through the heat exchanger 140 exchanges heat with the low-temperature liquid and is converted into low-temperature gas. In this embodiment, the heat exchanger 140 and the liquid cooling host 130 are connected to form a liquid loop through the first line L1, and the first line L1 may be a hose.

The gas delivery device 150 may be a centrifugal fan, which is disposed to communicate the first cabinet 110 and the second cabinet 120, and the gas delivery device 150 delivers the low-temperature gas in the first cabinet 110 to the second cabinet 120.

The embodiment of the utility model provides an in, the cooperation that adopts liquid cooling host computer 130 and heat exchanger 140 can produce the low temperature gas at the internal of first cabinet, utilizes heat exchanger 140 and cryogenic liquid heat transfer, can improve the efficiency that the low temperature gas produced. The cryogenic liquid is delivered to the second cabinet 120 through the gas delivery device 150, and the electrical devices 200 in the second cabinet 120 can be cooled by heat exchange. Liquid is compared to low temperature gas, can more fully carry out the heat transfer with the electrical part 200 of treating the heat transfer, the utility model discloses an electrical cabinet combines liquid cooling and forced air cooling to improve electrical cabinet's heat dispersion.

The utility model discloses in the electric appliance cabinet, treat that the electric part 200 of heat transfer sets up at the second cabinet body 120, and heat exchanger 140 and liquid cooling host computer 130 set up at the first cabinet body 110, through keeping apart the setting each other with liquid cooling host computer 130 and electric part 200, can avoid taking place the influence of weeping to electric part 200 performance because of liquid cooling host computer 130, improve electric part 200's in the electric appliance cabinet life.

In this embodiment, the first cabinet 110 and the second cabinet 120 are partitioned by a partition 163, and the partition 163 is provided with a second opening 172 and a third opening 173. The gas delivery device 150 may include a gas outlet, and the gas outlet of the gas delivery device 150 is connected to the second opening 172 to deliver the low-temperature gas in the first cabinet 110 to the second cabinet 120 through the second opening 172. The second opening 172 may be a rectangular opening having dimensions of, for example, 410mm by 150 mm. The third opening 173 may be a rectangular opening having dimensions of, for example, 550mm x 110 mm.

In the partial drawings in fig. 1 to 6, the flow direction of the gas in the electrical cabinet is shown by arrows. The low-temperature gas in the first cabinet 110 can be delivered to the second cabinet 120 through the gas delivery device 150 and the second opening 172, and the low-temperature gas exchanges heat with the electric devices 200 in the second cabinet 120, so that the electric devices 200 are cooled, and the low-temperature gas is converted into high-temperature gas. The high-temperature gas in the second cabinet 120 can flow to the first cabinet 110 through the third opening 173, the high-temperature gas can be converted into low-temperature gas through heat exchange by the heat exchanger 140, and the low-temperature gas continues to circulate into the second cabinet 120 for heat exchange under the action of the gas conveying device 150, so that a circulation air path is formed in the electric appliance cabinet. The temperature in the electric appliance cabinet is stable and balanced, and the condensation phenomenon in the electric appliance cabinet is avoided.

Referring to fig. 1 to 6, the first cabinet 110 of the present embodiment may include a first chamber 111 and a second chamber 112. The electrical cabinet is provided with a first partition 161 separating the first chamber 111 from the second chamber 112. In some embodiments, the first spacer 161 may include at least one spacer plate. The gas delivery device 150 is disposed in the first chamber 111 to communicate the first chamber 111 and the second cabinet 120. The liquid-cooled host 130 is disposed in the second chamber 112. The first partition 161 is provided with a first opening 171 communicating the first chamber 111 and the second chamber 112, and the heat exchanger 140 is disposed at the first opening 171. The first opening 171 may be a rectangular opening having a size of 320mm × 240mm, for example.

During the operation of the gas conveying device 150, the gas conveying device 150 conveys the gas in the first chamber 111 of the first cabinet 110 to the second cabinet 120, so that negative pressure is generated in the first chamber 111, and the gas in the second chamber 112 flows to the first chamber 111 through the first opening 171, and since the heat exchanger 140 is disposed at the first opening 171, the gas flowing into the first chamber 111 from the second chamber 112 exchanges heat with the liquid to obtain low-temperature gas, thereby improving the heat exchange efficiency. The first separator 161 further separates the liquid-cooled main unit 130 from the second chamber 112, thereby further preventing the liquid-cooled main unit 130 from leaking, which may affect the performance of the electric device 200.

In some embodiments, the second chamber 112 is located at the bottom of the interior of the first cabinet 110, and the first chamber 111 is located above the second chamber 112, since the liquid-cooled host 130 is isolated from the lower chamber of the electrical cabinet, when the liquid-cooled host 130 leaks, the leaked liquid will not flow to other chambers of the electrical cabinet, and the influence of the liquid-cooled host 130 on the performance of the electrical device 200 due to the leakage is further avoided.

In some embodiments, the heat exchanger 140 may be provided with a dehumidifying device, so that the moisture content of the cryogenic gas obtained in the first chamber 111 is greatly reduced, and damage to the electrical device 200 when the cryogenic gas exchanges heat with the electrical device 200 may be reduced.

The electric appliance cabinet of the embodiment further comprises a first mounting plate 181, the first mounting plate 181 is fixed in the first chamber 111, the first mounting plate 181 can mount the electric appliance 200, the first mounting plate 181 can be in a tray form, a resistor assembly is mounted on the first mounting plate 181, and the first mounting plate 181 and the resistor assembly can be formed in a modular prefabrication mode so as to be convenient to be fixedly mounted in the first chamber 111. By isolating the first mounting plate 181 from the liquid-cooled host 130 by the first isolating member 161, the influence of the liquid leakage from the liquid-cooled host 130 on the electric device 200 on the first mounting plate 181 can be avoided.

In this embodiment, the heat exchanger 140, the first mounting plate 181, and the gas delivery device 150 are arranged along a first direction X, which may be longitudinal in some embodiments, i.e., perpendicular to the top or bottom wall of the first cabinet 110. The first mounting plate 181 is located between the heat exchanger 140 and the gas delivery device 150, and at least one heat dissipation channel is opened inside the first mounting plate 181, and extends along the first direction X. During the operation of the gas delivery device 150, the gas flow flowing from the heat exchanger 140 to the gas delivery device 150 can be formed, and since the heat dissipation channel in the same direction as the gas flow is arranged inside the first mounting plate 181, the heat exchange efficiency between the low-temperature gas and the first mounting plate 181 can be improved, and the cooling capacity of the electric device 200 mounted on the first mounting plate 181 can be improved.

Further in some embodiments, the first cabinet 110 also includes a third compartment 113, the third compartment 113 being capable of housing the electrical device 200. The third chamber 113 is in air path communication with the second chamber 112, and the third opening 173 communicates the second cabinet 120 with the third chamber 113. Specifically, the third chamber 113 and the first chamber 111 may be disposed in parallel at the top of the second chamber 112, wherein the first chamber 111 and the third chamber 113 may also be disposed at a distance by a first partition.

As shown in fig. 5, a sixth mounting plate 186 may be disposed within the third chamber 113, and an electrical device 200 may be mounted on the sixth mounting plate 186. Through setting up third chamber 113, can make full use of with electric cabinet inner space, arrange as much as possible on the circulating air way that forms in electric cabinet limited volume and wait radiating electric device 200, improve electric cabinet's integrated level and radiating efficiency.

The second cabinet 120 may include two or more electrical chambers, each of which may accommodate an electrical device 200, and the two or more electrical chambers are connected in series in parallel and are communicated with each other via air paths, so that the electrical devices 200 of each electrical chamber are located on a circulation air path, thereby achieving high heat dissipation efficiency.

The two or more electrical chambers include a first electrical chamber 121 located at the head of the parallel-serial structure and a second electrical chamber 122 located at the tail of the parallel-serial structure. The first appliance chamber 121 is communicated with the first cabinet 110 through the gas delivery device 150, and the second appliance chamber 122 is communicated with the first cabinet 110 through the third opening 173.

In the present embodiment, the two or more electrical chambers including the first electrical chamber 121 and the second electrical chamber 122 connected in series will be described as an example. The first electrical appliance chamber 121 and the second electrical appliance chamber 122 are adjacently arranged in parallel, the electrical cabinet is provided with a second isolating piece 162 for separating the first electrical appliance chamber 121 from the second electrical appliance chamber 122, the bottom of the second isolating piece 162 is separated from the bottom wall of the second cabinet body 120, and the bottom of the second isolating piece 162 and the side wall of the second cabinet body 120 jointly enclose to form a fourth opening 174 for communicating the air paths of the first electrical appliance chamber 121 and the second electrical appliance chamber 122. The fourth opening 174 may be a rectangular opening having dimensions of, for example, 700mm by 150 mm.

In some embodiments, the air outlet of the air delivery device 150 is disposed near the top of the first electrical chamber 121, the fourth opening 174 is disposed near the bottom of the second electrical chamber 122, the third opening 173 may be disposed near the top of the second electrical chamber 122, and the air in the first chamber 111 may sequentially flow through the first electrical chamber 121, the second electrical chamber 122, the third chamber 113, and the second chamber 112 and then flow back to the first chamber 111, thereby forming a circulation air path.

It will be appreciated that in other embodiments, the two or more appliance chambers may comprise three, four, five, etc. other numbers of appliance chambers connected in series and in air communication. In other embodiments, two or more electrical apparatus chambers may be connected in series to form two air paths, and the two air paths are symmetrically arranged in the second cabinet 120, for example, the second cabinet 120 may include a first electrical apparatus chamber 121 and two second electrical apparatus chambers 122, the two second electrical apparatus chambers 122 are respectively disposed on two opposite sides of the first electrical apparatus chamber 121, and the first electrical apparatus chamber 121 and each of the second electrical apparatus chambers 122 are in air path communication. The first appliance chambers 121 still communicate with the first cabinet 110 through the second openings 172, and each second appliance chamber 122 communicates with the first cabinet 110 through its own corresponding third opening 173.

In some embodiments, the electrical cabinet may further include a deflector 190. The flow guiding device 190 is disposed on the top of the first electrical chamber 121.

Fig. 7a and 7b show perspective views of a deflector in an electrical cabinet according to an embodiment of the present invention, and fig. 8 shows an exploded perspective view of the deflector. The air guiding device 190 comprises a guiding housing 191 and a flow dividing structure 192 arranged in the guiding housing 191. The guide channel 193 communicated with the gas delivery device 150 is formed inside the guide cover 191, the guide channel 193 can guide the flowing gas flow, and the flow dividing structure 192 can divide the flowing gas flow, so that the flow of the air path is reasonably distributed, and the heat exchange efficiency of the gas and the electric device 200 is improved.

The electrical cabinet of this embodiment further includes a second mounting plate 182, a third mounting plate 183, and a fourth mounting plate 184, the second mounting plate 182, the third mounting plate 183, and the fourth mounting plate 184 are fixed in the first electrical chamber 121, and the second mounting plate 182, the third mounting plate 183, and the fourth mounting plate 184 can mount the electrical device 200.

As shown in fig. 3, the second mounting plate 182, the third mounting plate 183, and the fourth mounting plate 184 may be enclosed to form a semi-enclosed structure, wherein the second mounting plate 182 is disposed in parallel with the partition 163, the third mounting plate 183 and the fourth mounting plate 184 are disposed at both sides of the second mounting plate 182, respectively, and the third mounting plate 183 is disposed opposite to the fourth mounting plate 184. The second mounting plate 182, the third mounting plate 183, and the fourth mounting plate 184 are all disposed to extend in a direction from the top to the bottom of the first appliance chamber 121.

In this embodiment, the flow guiding device 190 is disposed at the gas outlet of the gas delivery device 150, that is, disposed corresponding to the second opening 172, and the guiding channel 193 guides the flowing gas flow, in this embodiment, the guiding channel 193 guides the flowing gas flow from the top to the bottom of the first electrical chamber 121, so that the gas flow can pass through the second mounting plate 182.

The flow dividing structure 192 includes a first flow dividing plate 1921 and a second flow dividing plate 1922 arranged in a V-shape, wherein the first flow dividing plate 1921 is disposed obliquely to the third mounting plate 183 so that a portion of the air flow can pass through the third mounting plate 183, and the second flow dividing plate 1922 is disposed obliquely to the fourth mounting plate 184 so that a portion of the air flow can pass through the fourth mounting plate 184.

The appliance cabinet of this embodiment can reasonably distribute the flow of the gas flowing through the first appliance chamber 121 by arranging the flow guiding device 190, so that the gas flow passing through the gas delivery device 150 is reasonably distributed to the second mounting plate 182, the third mounting plate 183 and the fourth mounting plate 184, thereby sufficiently taking away the heat emitted by the electric devices 200 in the first appliance chamber 121. It is understood that the flow dividing structure 192 of the present embodiment includes the first flow dividing plate 1921 and the second flow dividing plate 1922 arranged in a V-shape, so as to distribute the air flow to the second mounting plate 182, the third mounting plate 183 and the fourth mounting plate 184 enclosing a semi-enclosed structure, and in other embodiments, the flow dividing structure 192 may be adjusted to have other structures according to the number of the mounting plates and the arrangement of the mounting plates in the first electrical chamber 121.

The appliance cabinet may further include a fifth mounting plate 185, the fifth mounting plate 185 being secured within the second appliance chamber 122 and capable of mounting electrical devices 200. In this embodiment, the third mounting board 183 and the fifth mounting board 185 are respectively disposed on two opposite sides of the second spacer 162, the third mounting board 183 and the fifth mounting board 185 respectively have electrical device mounting surfaces, and the electrical device mounting surface of the fifth mounting board 185 and the electrical device mounting surface of the third mounting board 183 are disposed away from each other.

The utility model discloses electric appliance cabinet, the liquid cooling host computer 130 of keeping apart the setting with electrical part 200 can be connected through the heat exchange assemblies with the electric appliance cabinet outside to transmit the heat in the electric appliance cabinet outside the electric appliance cabinet.

Fig. 9 shows a schematic diagram of the connection between the electrical cabinet and the heat exchange assembly according to the embodiment of the present invention, wherein the liquid cooling host 130 includes a plurality of interfaces 131 extending out of the first cabinet 110, the liquid cooling host 130 utilizes the interfaces 131 to communicate with the heat exchange assembly 300 through the second pipeline L2 as a loop, and the second pipeline L2 may be a hose.

Above-mentioned the utility model discloses electric appliance cabinet is in the course of the work, and gas delivery device 150 carries the gas in first cavity 111 to second cabinet body 120 for produce the negative pressure in the first cavity 111, the gas of second cavity 112 flows to first cavity 111 through first opening 171 this moment, and simultaneously, the gaseous cryogenic liquid heat transfer in with heat exchanger 140 through heat exchanger 140 changes into cryogenic gas. The low-temperature gas can exchange heat with the electric device 200 in the first chamber 111 when circulating in the first chamber 111, and after being conveyed to the first electric device chamber 121 by the gas conveying device 150, the low-temperature gas sequentially passes through the first electric device chamber 121, the second electric device chamber 122 and the third chamber 113, so that the heat exchange and cooling of the electric device 200 along the way can be performed, the high-temperature gas enters the second chamber 112, and then flows back to the first chamber 111 from the second chamber 112 to be converted into low-temperature gas flow, and the low-temperature gas flow is continuously circulated for heat exchange.

While the gas circuit is circulating, the heat exchanger 140 forms a loop with the liquid cooling main unit 130 through the first pipeline L1, and the liquid cooling main unit 130 continuously supplies low-temperature liquid to the heat exchanger 140, so that high-temperature gas is converted into low-temperature gas through heat exchange. The low-temperature liquid and the high-temperature gas carry heat after heat exchange and are converted into high-temperature liquid. Under the driving of the liquid cooling host 130, the heat carried by the high temperature liquid can flow through the heat exchange assembly 300 at a constant pressure and flow rate, and the heat exchange assembly 300 can dissipate the heat carried by the high temperature liquid outwards by performing heat exchange with cold air and the like. After heat dissipation, the high-temperature liquid is converted into low-temperature liquid to be recycled into the electric appliance cabinet, and the liquid cooling host 130 provides stable and reliable power for circulation of cooling media (low-temperature liquid and high-temperature liquid) so as to keep constant pressure and flow rate.

The utility model discloses utilize single gaseous conveyor 150 of organizing to form cooling system with heat exchanger 140, solved the heat dissipation problem of a plurality of cabinets body and interior electrical part 200 of cavity simultaneously. The utility model discloses in every cabinet body divide into a plurality of cavities, except that the cavity that sets up liquid cooling host computer 130 in a plurality of cavities all can the integrated installation electrical part 200 for the space utilization maximize of electrical cabinet saves electrical cabinet use cost. The utility model discloses a reasonable circulation wind channel design and branch wind flow equalize, guarantee the amount of wind speed demand of each device that generates heat, all electrical part 200 are flowed through to the air current that the circulation flows, provide reasonable temperature's operational environment for electrical part 200, have guaranteed electrical part 200's life.

The embodiment of the utility model provides a still provide a converter, its electrical cabinet and electrical part 200 that includes any one of the above-mentioned embodiments, electrical part 200 sets up in this electrical cabinet. The electrical cabinet comprises a first body 110 and a second body 120, at least part of the electrical devices 200 being arranged in the second body 120 of the electrical cabinet. The electrical device 200 may be a variety of electrical devices, including electrical connectors such as copper bars, fuse devices such as fast fuses, capacitors, resistors, control devices, current transformers, and the like.

According to the utility model discloses converter adopts the cooperation of liquid cooling host computer 130 and heat exchanger 140 to produce the cryogenic gas at the internal low temperature of first cabinet, and cryogenic liquid passes through gas delivery mechanism 150 and carries to the second cabinet body 120, can carry out the heat transfer cooling to the electrical part 200 in the second cabinet body 120. The low temperature gas can more sufficiently exchange heat with the electric device 200 to be heat-exchanged than the liquid. In addition, the electric device 200 to be heat-exchanged is arranged in the second cabinet 120, the heat exchanger 140 and the liquid cooling host 130 are arranged in the first cabinet 110, and the liquid cooling host 130 and the electric device 200 are arranged in an isolated manner, so that the possibility that the electric device 200 is damaged by liquid leakage of the liquid cooling host 130 is reduced, and the use reliability of the converter is improved.

In accordance with the embodiments of the present invention as set forth above, these embodiments do not set forth all of the details nor limit the invention to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention and its various embodiments with various modifications as are suited to the particular use contemplated. The present invention is limited only by the claims and their full scope and equivalents.

Claims (11)

1. An electrical cabinet, comprising:

a first cabinet (110) and a second cabinet (120), the second cabinet (120) capable of containing electrical devices (200);

the liquid cooling host (130) is arranged in the first cabinet body (110) and can generate low-temperature liquid;

the heat exchanger (140) is arranged in the first cabinet body (110) and is communicated with a liquid path of the liquid cooling host (130), so that gas passing through the heat exchanger (140) exchanges heat with the low-temperature liquid and is converted into low-temperature gas; and

the gas conveying device (150) is communicated with the first cabinet body (110) and the second cabinet body (120), and the gas conveying device (150) conveys the low-temperature gas in the first cabinet body (110) to the second cabinet body (120).

2. The electric cabinet according to claim 1, characterized in that the first cabinet (110) comprises a first chamber (111) and a second chamber (112), the electric cabinet being provided with a first partition (161) separating the first chamber (111) from the second chamber (112),

the gas conveying device (150) is arranged in the first chamber (111) to communicate the first chamber (111) with the second cabinet body (120), the liquid cooling host (130) is arranged in the second chamber (112), the first partition (161) is provided with a first opening (171) communicating the first chamber (111) with the second chamber (112), and the heat exchanger (140) is arranged in the first opening (171).

3. The electrical cabinet of claim 2, further comprising:

a first mounting plate (181) fixed within the first chamber (111), the first mounting plate (181) being capable of mounting an electrical device (200),

the heat exchanger (140), the first mounting plate (181) and the gas conveying device (150) are arranged along a first direction (X), the first mounting plate (181) is located between the heat exchanger (140) and the gas conveying device (150), at least one heat dissipation channel is formed in the first mounting plate (181), and the heat dissipation channel extends along the first direction (X).

4. The electric cabinet according to claim 2, characterized in that the first cabinet body (110) and the second cabinet body (120) are separated by a partition (163), the partition (163) being provided with a second opening (172) and a third opening (173),

the gas outlet of the gas conveying device (150) is connected with the second opening (172) so as to convey the low-temperature gas in the first cabinet body (110) to the second cabinet body (120) through the second opening (172),

high-temperature gas in the second cabinet (120) can flow to the first cabinet (110) through the third opening (173), and the high-temperature gas can be converted into the low-temperature gas through heat exchange of the heat exchanger (140).

5. The electric cabinet according to claim 4, characterized in that the first cabinet body (110) further comprises a third compartment (113), the third compartment (113) being capable of housing an electric device (200),

the third chamber (113) is communicated with the second chamber (112) in an air path, the third opening (173) is communicated with the second cabinet body (120) and the third chamber (113),

wherein the first chamber (111) and the third chamber (113) are arranged in parallel at the top of the second chamber (112).

6. The electrical cabinet according to claim 4, characterized in that the second cabinet body (120) comprises two or more electrical chambers, each capable of containing an electrical device (200), the two or more electrical chambers being connected in series in parallel and in gas communication with each other,

the more than two electric appliance chambers comprise a first electric appliance chamber (121) positioned at the head of the parallel serial connection structure and a second electric appliance chamber (122) positioned at the tail of the parallel serial connection structure,

the first appliance chamber (121) communicates with the first cabinet (110) through the gas delivery device (150) and the second opening (172), and the second appliance chamber (122) communicates with the first cabinet (110) through the third opening (173).

7. The electrical cabinet of claim 6, further comprising:

the flow guide device (190) is arranged at the top of the first electric appliance chamber (121), the flow guide device (190) comprises a guide cover (191) and a flow dividing structure (192) arranged in the guide cover (191),

the guide cover (191) is internally provided with a guide channel (193) communicated with the gas delivery device (150), the guide channel (193) can guide the gas flow passing through,

the flow dividing structure (192) is capable of dividing the flow of gas therethrough.

8. The electrical cabinet of claim 7, further comprising:

a second mounting plate (182), a third mounting plate (183), and a fourth mounting plate (184) fixed in the first appliance chamber (121), the second mounting plate (182), the third mounting plate (183), and the fourth mounting plate (184) capable of mounting an electric appliance (200),

the second mounting plate (182), the third mounting plate (183) and the fourth mounting plate (184) enclose a semi-enclosed structure, wherein the third mounting plate (183) and the fourth mounting plate (184) are arranged oppositely,

the guide passage (193) guides the air flow passing therethrough so that the air flow can pass through the second mounting plate (182),

the flow diversion structure (192) enables a portion of the airflow to pass through the third mounting plate (183) and enables a portion of the airflow to pass through the fourth mounting plate (184).

9. The electrical cabinet according to claim 8, wherein the first electrical chamber (121) and the second electrical chamber (122) are arranged adjacently and side by side, the electrical cabinet is provided with a second partition (162) for separating the first electrical chamber (121) and the second electrical chamber (122), the bottom of the second partition (162) is arranged at a distance from the bottom wall of the second cabinet body (120), and the bottom of the second partition (162) and the side wall of the second cabinet body (120) are jointly enclosed to form a fourth opening (174) for enabling the first electrical chamber (121) and the second electrical chamber (122) to be in air circuit communication.

10. The electrical cabinet of claim 9, further comprising:

a fifth mounting plate (185) secured within the second appliance chamber (122) and capable of mounting an electrical appliance (200),

the third mounting plate (183) and the fifth mounting plate (185) are respectively arranged on two opposite sides of the second isolating piece (162), the third mounting plate (183) and the fifth mounting plate (185) are respectively provided with an electric device mounting surface, and the electric device mounting surface of the third mounting plate (183) and the electric device mounting surface of the fifth mounting plate (185) are arranged in a mode of deviating from each other.

11. A current transformer, comprising:

the electrical cabinet according to any one of claims 1 to 10, and

the electric device (200) is arranged in the electric appliance cabinet, and the electric device (200) comprises at least one of a converter device, a control device, an electric connector, a safety device, a capacitor and a resistor.

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