CN219760404U - Heat exchange device and electrical equipment - Google Patents

Abstract

The utility model discloses a heat exchange device and electrical equipment, and relates to the technical field of power electronic equipment. The heat exchange device comprises a separation plate and a heat conduction assembly, wherein a penetrating structure is arranged on the separation plate; the heat conduction component passes through the penetrating structure and is fixedly connected with the partition plate; the heat conduction component is provided with a flow channel, and a phase change medium is arranged in the flow channel; the flow channel comprises a plurality of heat dissipation pipelines, the heat dissipation pipelines comprise a first pipeline section and a second pipeline section which are communicated, and the first pipeline section and the second pipeline section are respectively arranged at two sides of the partition plate; at the moment, the heat exchange device can respectively arrange the first pipeline section and the second pipeline section on the inner side and the outer side of the cabinet, and then the opening of the cabinet body is sealed by the partition plate; the first pipeline section can absorb heat at the inner side of the cabinet by utilizing evaporation of the phase-change medium, and then the heat is dissipated by condensing the phase-change medium in the second pipeline section; the heat exchange device of the form has higher heat dissipation efficiency, smaller volume under the same heat dissipation requirement and is beneficial to reducing the occupied installation space.

Description

Heat exchange device and electrical equipment

Technical Field

The utility model relates to the technical field of power electronic equipment, in particular to a heat exchange device and electrical equipment.

Background

Inside the rack of current industrial control trade, energy storage trade, like in the rack of electrical equipment such as converter, dc-to-ac converter, power supply unit, because need carry out inside protection, make sealed environment with the rack usually, avoid the inside foreign matter business turn over that produces of rack and external world, also be difficult to carry out inside and outside air exchange this moment. A large number of heat devices such as copper bars, capacitors, PCBs, etc. exist in the enclosed environment inside the cabinet; at the same time, electrical devices also absorb a large amount of solar radiant heat when used outdoors. After this heat builds up, the ambient temperature inside the cabinet increases significantly, affecting device reliability.

In order to solve the above problems, the heat dissipation solution adopted at present is an accordion plate type air-air heat exchanger scheme for carrying out the heat exchange of the flow channels in a crossed manner, namely, the air flow channels in the cabinet and the air flow channels outside the cabinet are crossed, so that the interior of the cabinet is dissipated. The heat exchanger is large in size, increases the space occupied by the electrical equipment, and is unfavorable for miniaturization of the electrical equipment.

Disclosure of Invention

The utility model mainly aims to provide a heat exchange device which aims to reduce the occupied installation space.

In order to achieve the above purpose, the heat exchange device provided by the utility model comprises a partition plate and a heat conduction assembly, wherein a penetrating structure is arranged on the partition plate; the heat conduction component passes through the penetrating structure and is fixedly connected with the partition plate; the heat conduction component is provided with a flow channel, and a phase change medium is arranged in the flow channel; the flow channel comprises a plurality of heat dissipation pipelines, each heat dissipation pipeline comprises a first pipeline section and a second pipeline section which are communicated, and the first pipeline sections and the second pipeline sections are respectively arranged on two sides of the partition plate.

Optionally, each first pipe section is internally provided with a plurality of first channel sections, each second pipe section is internally provided with a plurality of second channel sections, a plurality of first pipe sections and second pipe sections are all arranged along a first direction, a plurality of first channel sections and second channel sections are all arranged along a second direction, and the second direction has an included angle with the first direction.

Optionally, the first pipe section and the second pipe section are integrally formed.

Optionally, the heat conduction assembly further comprises a liquid collecting container, the liquid collecting container penetrates through the penetrating structure, the outer wall of the liquid collecting container is connected with the inner side of the penetrating structure, and the first channel section and the second channel section are communicated with the inner cavity of the liquid collecting container.

Optionally, a first heat dissipation fin is arranged between the adjacent first pipeline sections, a first heat dissipation channel is formed between the first heat dissipation fin and the first pipeline section, and the first heat dissipation channel is arranged in an extending manner along the second direction; and a second radiating fin is arranged between the adjacent second pipeline sections, a second radiating channel is formed between the second radiating fin and the second pipeline section, and the second radiating channel extends along the second direction.

Optionally, the first cooling fin is provided as a folded fin, and the first cooling fin is folded along the second direction; the second cooling fins are arranged as folding fins, and the second cooling fins are arranged in a folding mode along the second direction.

Optionally, the heat exchange device further comprises a connection shell, and the connection shell is wrapped on the outer side of the first pipeline section; the connecting shell is provided with a first shell opening and a second shell opening which are oppositely arranged, and the first shell opening and the second shell opening face the second direction.

Optionally, the heat exchange device further comprises an airflow conveying member, the airflow conveying member is arranged at the opening of the second shell, the airflow conveying member is fixedly connected with the connecting shell, and the airflow conveying member is used for enabling airflow to flow along the interval between the first pipeline sections.

The utility model also provides electrical equipment, which comprises a cabinet and the heat exchange device, wherein the partition plate is abutted on the opening of the cabinet body of the cabinet so that the first pipeline section is positioned on the inner side of the cabinet, and the second pipeline section is positioned on the outer side of the cabinet.

Optionally, the electrical apparatus further includes a heat generating device, the heat generating device is disposed on an inner side of the cabinet, the first pipe section is an evaporation section, and the second pipe section is a condensation section.

Optionally, an included angle between the extending direction of the flow channel and the gravity direction is greater than or equal to 0 ° and less than or equal to 80 °; when the cabinet body opening of the cabinet is arranged on the vertical side surface, an included angle between the extending direction of the flow channel and the vertical side surface is more than or equal to 0 degrees and less than or equal to 80 degrees; when the cabinet body opening of the cabinet is arranged on the horizontal top surface, an included angle between the extending direction of the flow channel and the horizontal top surface is more than or equal to 10 degrees and less than or equal to 90 degrees.

The technical scheme of the utility model is that the heat exchange device comprises a separation plate and a heat conduction assembly, wherein a penetrating structure is arranged on the separation plate; the heat conduction component passes through the penetrating structure and is fixedly connected with the partition plate; the heat conduction component is provided with a flow channel, and a phase change medium is arranged in the flow channel; the flow channel comprises a plurality of heat dissipation pipelines, the heat dissipation pipelines comprise a first pipeline section and a second pipeline section which are communicated, and the first pipeline section and the second pipeline section are respectively arranged at two sides of the partition plate; at the moment, the heat exchange device can respectively arrange the first pipeline section and the second pipeline section on the inner side and the outer side of the cabinet, and then seal the opening of the cabinet body through the partition plate; the first pipeline section can absorb heat at the inner side of the cabinet by utilizing evaporation of the phase-change medium, and then the heat is dissipated by condensing the phase-change medium in the second pipeline section; the heat exchange device of the form has higher heat dissipation efficiency, smaller volume under the same heat dissipation requirement and is beneficial to reducing the occupied installation space.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an embodiment of a heat exchange device according to the present utility model.

Fig. 2 is a partial view of an embodiment of the heat exchange device of the present utility model.

FIG. 3 is a schematic view of an embodiment of a first pipe section according to the present utility model.

Fig. 4 is a schematic structural view of another embodiment of the heat exchange device of the present utility model.

Fig. 5 is a front view of a further embodiment of the heat exchange device of the present utility model.

Fig. 6 is a front view (hidden part structure) of an embodiment of the electrical apparatus of the present utility model.

Fig. 7 is a perspective view (with portions of the cabinet hidden) of an embodiment of the electrical apparatus of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a heat exchange device which can be applied to electric equipment such as a frequency converter, an inverter, power equipment and the like.

Referring to fig. 1 to 3 and 6, in an embodiment of the present utility model, the heat exchange device includes a partition plate 100 and a heat conducting assembly 200, a penetrating structure is disposed on the partition plate 100, and the partition plate 100 is used to abut against a cabinet opening 310 of a cabinet 300, so that the cabinet opening 310 can be sealed, and the sealing degree of the cabinet is ensured; the heat conductive member 200 passes through a penetration structure, which may be provided as a single through hole, a through hole group, or a notch, and may be specifically determined according to the sectional shape of the heat conductive member 200. In addition, the heat conduction assembly 200 is fixedly connected with the partition plate 100, such as in the form of a snap connection, welding, screw connection, etc.; the heat conduction assembly 200 is provided with a flow channel, and a phase change medium is arranged in the flow channel; in forming the flow channel profile, it may be fabricated from an aluminum material, a copper material, or a stainless steel material. The flow channel comprises a plurality of heat dissipation pipelines, the heat dissipation pipelines comprise a first pipeline section 210 and a second pipeline section 220 which are communicated, the first pipeline section 210 and the second pipeline section 220 are respectively arranged on two sides of the partition plate, namely, the first pipeline section 210 and the second pipeline section 220 are respectively arranged on two sides of the partition plate 100 through a penetrating structure by the heat conduction assembly 200; as in the Z direction in the drawing, the first pipe section 210 and the second pipe section 220 are provided on both sides of the partition plate 100, respectively. Thus, the partition plate 100 separates the interior and the exterior of the cabinet 300, and separates the heat exchanger into a heat absorbing portion (corresponding to an evaporator) corresponding to the first duct section 210 and a heat dissipating portion (corresponding to a condenser) corresponding to the second duct section 220.

At this time, the heat exchange device can set the first pipe section 210 and the second pipe section 220 on the inner side and the outer side of the cabinet 300 respectively, and then seal the cabinet opening 310 through the partition plate 100; the first pipe section 210 can absorb heat inside the cabinet 300 by utilizing evaporation of the phase-change medium, and then the heat is dissipated by condensing the phase-change medium in the second pipe section 220; the heat exchange device of the form has higher heat dissipation efficiency, smaller volume under the same heat dissipation requirement and is beneficial to reducing the occupied installation space.

Further alternatively, referring to fig. 3, a plurality of first channel segments 211 are disposed within each first pipe segment 210 and a plurality of second channel segments are disposed within each second pipe segment 220. At this time, the first pipe section 210 may be manufactured using a harmonica pipe as shown in fig. 3, thereby forming a plurality of first channel sections 211; the first pipe section 210 may also use a plurality of separate pipe elements, where the inner cavity of each separate pipe element corresponds to one first channel section 211, and this embodiment is not limited thereto; the second pipe set 220 is similarly arranged.

The plurality of first pipe sections 210 and the plurality of second pipe sections 220 are each disposed along a first direction, i.e., the first pipe sections 210, the second pipe sections 220 are each aligned along the first direction; the first direction may be disposed parallel to the plate plane of the partition plate 100, as shown in the X direction in the drawing. The first channel sections 211 and the second channel sections are all arranged along the second direction, that is, the first channel sections 211 and the second channel sections are all arranged along the second direction, and the second direction forms an included angle with the first direction. The second direction may be disposed at an angle to the first direction, e.g., the second direction may be disposed perpendicular to the first direction, referring to the first direction along the X direction and the second direction along the Y direction.

The first duct segments 210 are arranged along the first direction, and the plurality of first channel segments 211 are arranged along the second direction, so that arrangement intervals are formed between adjacent first duct segments 210, and air in the cabinet 300 contacts more first channel segments 211, absorbs heat through more phase-change media, and further improves the heat absorption efficiency of the heat exchange device. The second pipeline sections 220 are arranged along the first direction, and the plurality of second channel sections are arranged along the second direction, so that arrangement intervals are formed between the adjacent second pipeline sections 220, and therefore external cold air is enabled to contact with more second channel sections, heat is dissipated through more phase change media, and further heat dissipation efficiency of the heat exchange device is improved.

Further as an alternative embodiment, the first conduit section 210 is integrally formed with the second conduit section 220. Further, a plurality of first channel sections 211 are disposed inside each first pipe section 210, and when a plurality of second channel sections are disposed inside each second pipe section 220, the first channel sections 211 are correspondingly communicated with the second channel sections, and the first channel sections 211 and the second channel sections are disposed on two sides of the partition plate respectively. The first pipe section 210 and the second pipe section 220 are integrally formed (the first channel section 211 is in one-to-one communication with the second channel section), i.e. the middle is continuous (see fig. 6). At this time, the first pipe section 210 and the second pipe section 220 are integrally formed, which is beneficial to improving the manufacturing efficiency; the first channel sections 211 and the second channel sections are correspondingly communicated one by one, so that the first channel sections 211 in the same row and the second channel sections in the same row can be manufactured through the same harmonica pipe, and the manufacturing efficiency is further improved.

It should be noted that, the first duct section 210 (including the first channel section 211) may be disposed outside the cabinet 300, and the second duct section 220 (including the second channel section) may be disposed inside the cabinet 300, where the first duct section 210 (including the first channel section 211) dissipates heat, and the second duct section 220 (including the second channel section) absorbs heat.

Further alternatively, referring to fig. 2, first heat dissipation fins 212 are disposed between adjacent first pipe sections 210, and a first heat dissipation channel is formed between the first heat dissipation fins 212 and the first pipe sections 210, and the first heat dissipation channel is disposed to extend along the second direction; and second cooling fins are arranged between the adjacent second pipeline sections 220, and second cooling channels are formed between the second cooling fins and the second pipeline sections 220 and extend along the second direction. The contact area of the first heat sink 212 and the second heat sink can be increased, which is beneficial to further improving the heat dissipation efficiency.

Further alternatively, referring to fig. 2, the first heat sink 212 is provided as a folded fin, and the first heat sink 212 is provided folded in the second direction (referring to the Y direction in fig. 2); the second heat sink is provided as a folded fin, and the second heat sink is folded in a second direction (refer to Y direction in fig. 2). The first heat sink 212 is provided as a folded fin, and the second heat sink is provided as a folded fin, which are both advantageous for further improving heat dissipation efficiency. The first heat sink 212 and the second heat sink may specifically be corrugated folded fins, and the corrugated folded fins are abutted against the first pipe section 210 or the second pipe section to form a first heat dissipation channel or a second heat dissipation channel.

As an alternative embodiment, referring to fig. 5, the heat conduction assembly 200 further includes a liquid collecting container 230, the liquid collecting container 230 passes through the penetration structure, and an outer wall of the liquid collecting container 230 is connected with an inner side of the penetration structure, and the connection is in the form of welding or the like to improve connection firmness. The first channel section 211 and the second channel section are both communicated with the inner cavity of the liquid collecting container 230, and at this time, the first pipeline section 210 and the second pipeline section 220 (the first channel section 211 and the second channel section) can be configured as a split structure, i.e. the middle of the two is interrupted; specifically, as shown in fig. 5, the first channel segments 211 of the same row are formed by a harmonica tube, on which a corresponding interface is provided, to which the harmonica tube is welded. The second channel section of the same row can also be formed by another harmonica tube, and the liquid collecting container is provided with another corresponding interface, and the harmonica tube and the interface are welded and fixed. The liquid collecting container 230 passes through the penetrating structure, and the outer wall of the liquid collecting container 230 is connected with the inner side of the penetrating structure, so that the sealing degree between the heat conducting component 200 and the penetrating structure can be improved, the sealing of the cabinet 300 is further ensured, and the sealing difficulty between the heat conducting component 200 and the penetrating structure is also reduced.

Further alternatively, referring to fig. 4 and 7, the heat exchange device further includes a connection housing 250, and the connection housing 250 is wrapped around the outside of the first pipe section 210. The connection housing 250 is provided with a first housing opening and a second housing opening 251 which are oppositely arranged, the first housing opening and the second housing opening 251 face the second direction, namely face the second direction, so that the first opening can realize that the connection housing 250 is wrapped on the outer side of the first pipeline section 210, and the whole structure of the heat exchange device is more compact. In addition, the connection housing 250 can prevent the air flow from leaking laterally by the housing wall surface thereof, so that the air flow more intensively passes through the space between the first duct segments 210 or the space between the second duct segments 220, further improving the heat dissipation efficiency.

Further alternatively, for the two forms of the first pipe section 210 and the second pipe section 220 (the first channel section 211 and the second channel section are correspondingly communicated with each other), and the liquid collecting container 230 is arranged between the first channel section 211 and the second channel section, referring to fig. 4 and fig. 7, the heat exchange device may be configured to further include an airflow conveying member 240, and the airflow conveying member 240 may be specifically configured as a fan. The airflow conveying member 240 is disposed at the second housing opening 251, and the airflow conveying member 240 is fixedly connected to the connection housing 250, such as by fastening means such as bolts or by fastening means. The airflow conveying member 240 is used for enabling airflow to flow along the interval between the first pipeline sections 210 so as to accelerate the flow of air, and further improve the overall heat dissipation efficiency.

Referring to fig. 6 and 7, the present utility model also proposes an electrical apparatus, such as a frequency converter, an inverter, a power supply apparatus, and the like. The electrical apparatus includes a cabinet 300 and the heat exchanging apparatus described above, where the partition plate 100 abuts on the cabinet opening 310 of the cabinet 300 such that the first duct section 210 (including the first channel section 211) is located inside the cabinet 300 and the second duct section 220 (including the second channel section) is located outside the cabinet 300. At this time, the partition plate 100 is abutted against the cabinet opening 310 of the cabinet 300, and may be fixed by welding, snap connection, welding, or the like. The specific structure of the heat exchange device refers to the above embodiments, and because the electrical equipment adopts all the technical solutions of all the embodiments, the heat exchange device at least has all the beneficial effects brought by the technical solutions of the embodiments, and the details are not repeated here.

In addition, the electrical equipment also comprises heating devices such as copper bars, capacitors, PCBs and the like; the heating device is disposed on the inner side of the cabinet, the first pipe section 210 is an evaporation section, and the second pipe section 220 is a condensation section.

Further alternatively, referring to fig. 6, a sealing ring 320 is disposed between the partition plate 100 and the cabinet 300, the sealing ring 320 is sleeved outside the cabinet opening 310, and the first channel section 211 passes through the sealing ring 320; one side of the sealing ring 320 is abutted with the partition plate 100, the other side of the sealing ring 320 is abutted with the cabinet 300, and the partition plate 100 is connected with the cabinet 300 through a fastener 330 (such as a screw, a bolt, a stud, etc.), so that the risk of foreign matter entering and exiting at the partition plate 100 is further reduced.

Further as an alternative embodiment, the included angle between the extending direction of the flow channel and the gravity direction is greater than or equal to 0 ° and less than or equal to 80 °; for example, when the cabinet opening 310 of the cabinet 300 is disposed on the vertical side, an angle between the extending direction of the flow channel and the vertical side is 0 ° or more and 80 ° or less; referring to the drawings, when the cabinet opening 310 of the cabinet 300 is disposed on the horizontal top surface, the extending direction of the flow channel forms an angle of 10 ° or more and 90 ° or less with the horizontal top surface. The included angle between the extending direction of the flow channel and the gravity direction is more than or equal to 0 degree and less than or equal to 80 degrees, which is beneficial to improving the adapting capability of the heat exchange device to the installation position.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (11)

1. A heat exchange device, the heat exchange device comprising:

the partition plate is provided with a penetrating structure;

the heat conduction assembly penetrates through the penetrating structure and is fixedly connected with the partition plate;

the heat conduction component is provided with a flow channel, and a phase change medium is arranged in the flow channel; the flow channel comprises a plurality of heat dissipation pipelines, the heat dissipation pipelines comprise a first pipeline section and a second pipeline section which are communicated, and the first pipeline section and the second pipeline section are respectively arranged at two sides of the partition plate;

the splitter plate is used for being abutted on the cabinet body opening of the cabinet so that the first pipeline section is located on the inner side of the cabinet, and the second pipeline section is located on the outer side of the cabinet.

2. The heat exchange device of claim 1, wherein a plurality of first channel segments are disposed within each of the first tube segments, a plurality of second channel segments are disposed within each of the second tube segments, the plurality of first and second tube segments are disposed along a first direction, the plurality of first and second channel segments are disposed along a second direction, and the second direction is at an angle to the first direction.

3. The heat exchange device of claim 2 wherein said first tube section is integrally formed with said second tube section.

4. The heat exchange device of claim 2 wherein the heat transfer assembly further comprises a liquid collection container passing through the through structure, an outer wall of the liquid collection container being connected to an inner side of the through structure, the first and second channel segments each communicating with an interior cavity of the liquid collection container.

5. The heat exchange device of claim 3 or 4, wherein first heat radiating fins are arranged between adjacent first pipeline sections, first heat radiating channels are formed between the first heat radiating fins and the first pipeline sections, and the first heat radiating channels are arranged in an extending mode along the second direction;

and a second radiating fin is arranged between the adjacent second pipeline sections, a second radiating channel is formed between the second radiating fin and the second pipeline section, and the second radiating channel extends along the second direction.

6. The heat exchange device of claim 5 wherein said first fin is provided as a folded fin, said first fin being folded along said second direction; the second cooling fins are arranged as folding fins, and the second cooling fins are arranged in a folding mode along the second direction.

7. The heat exchange device of claim 6 further comprising a connection housing, said connection housing being wrapped outside of said first tube segment; the connecting shell is provided with a first shell opening and a second shell opening which are oppositely arranged, and the first shell opening and the second shell opening face the second direction.

8. The heat exchange device of claim 7 further comprising an airflow delivery member disposed at the second housing opening, the airflow delivery member being fixedly connected to the connection housing, the airflow delivery member being adapted to cause airflow along the space between the first conduit segments.

9. An electrical apparatus comprising a cabinet and a heat exchange device according to any one of claims 1 to 8.

10. The electrical device of claim 9, further comprising a heat generating device disposed inside the cabinet, the first conduit section being an evaporator section and the second conduit section being a condenser section.

11. The electrical apparatus of claim 9, wherein an angle between an extending direction of the flow channel and a gravitational direction is 0 ° or more and 80 ° or less; when the cabinet body opening of the cabinet is arranged on the vertical side surface, an included angle between the extending direction of the flow channel and the vertical side surface is more than or equal to 0 degrees and less than or equal to 80 degrees; when the cabinet body opening of the cabinet is arranged on the horizontal top surface, an included angle between the extending direction of the flow channel and the horizontal top surface is more than or equal to 10 degrees and less than or equal to 90 degrees.