High-voltage cabinet with overheating protection function

Abstract

The utility model discloses a high-voltage cabinet with an overheating protection function. The high-voltage cabinet comprises a high-voltage cabinet body, an outer layer, a heat insulation layer, a heat conduction coil pipe, a first port, a second port, a heat conduction layer, supporting legs, a protective net, a connecting block, a flat box, a first interface, a second interface, a connecting strip, a first fan, a heat dissipation strip, a booster pump, a liquid inlet pipe, a liquid outlet pipe and a second fan. Compared with the prior art, the high-voltage cabinet has the beneficial effects that the effects of preventing internal overheating and protecting internal elements can be realized, the overall integration is high, the cooling liquid storage box in the liquid cooling structure is designed into a flat box body structure, namely a flat box, and the flat box is mounted on one side of the high-voltage cabinet body, so that the cooling liquid storage box is convenient to use. Furthermore, the heat dissipation assembly is installed on one side of the flat box, so that an overall overheating protection structure and a heat dissipation structure are integrated on one side of the high-voltage cabinet body, and the overall occupied volume is prevented from being too large.

Description

Technical Field

[0001] The present application relates to the field of high-voltage cabinets, and in particular to a high-voltage cabinet with an overheat protection function. Background Art

[0002] High-voltage cabinets refer to electrical products with voltage levels ranging from 3.6kV to 550kV, which are used for switching, control or protection in power generation, transmission, distribution, power conversion and consumption in power systems. They occupy a very important position in the entire power industry.

[0003] In the prior art, in order to be suitable for high-temperature hot environments, high-voltage cabinets are often equipped with overheat protection structures, equipment, or devices inside; such as a high-voltage cabinet overheat protection device with publication number CN211655530U, which discloses a high-voltage cabinet overheat protection device, including: a box body, a coolant tank, a coolant, a through pipe, and a booster pump, the booster pump is provided with an outlet pipe and an inlet pipe, the through pipe is placed on the outer wall of the box body, the through pipe is fixedly connected to the outer wall of the box body, a cover body is provided corresponding to the box body, the cover body is bolted to the side wall of the box body, and a heat insulation cotton is provided at the inner end of the cover body. The utility model can achieve the isolation of the box body from the external environment in slightly hot weather when the box body is used indoors, and the heat in the box body can also be dissipated, which greatly increases the practicality of the equipment in the box body, thereby improving the service life of the equipment.

[0004] Although the above patent can realize overheat protection, it has the following defects: its overall structural integration is poor, and the overall structural setting is relatively scattered. When it is implemented and installed, it will occupy a large space, making the overall practicality poor. Therefore, in order to solve the above problems, a high-voltage cabinet with overheat protection function is proposed. Summary of the invention

[0005] In this embodiment, a high-voltage cabinet with an overheat protection function is provided, which has strong overall integration and occupies a small space; it is used to solve the problems of low integration and large space occupied in the prior art.

[0006] According to one aspect of the present application, a high-voltage cabinet with an overheating protection function is provided, comprising a high-voltage cabinet body; a flat box for storing coolant internally and a booster pump are arranged on the outside of one side of the high-voltage cabinet body, and a first interface and a second interface are respectively arranged at the top front end of the flat box and the bottom front end of the flat box; the liquid suction end of the booster pump is connected to the first interface of the flat box, and the liquid outlet end of the booster pump is connected and installed with a liquid outlet pipe; a heat dissipation component is arranged on the side of the flat box away from the high-voltage cabinet body; the second interface of the flat box is connected and installed with a liquid inlet pipe; the cabinet body of the high-voltage cabinet body comprises a heat-conducting layer and a heat-conducting coil, the heat-conducting coil is located inside the cabinet wall of the high-voltage cabinet body, and the heat-conducting coil is spirally wound on the outer wall of the heat-conducting layer, and the inner wall of the heat-conducting layer is the inner cabinet wall of the high-voltage cabinet body; the two ends of the heat-conducting coil are respectively a first port and a second port, the first port is connected and installed with one end of the liquid outlet pipe, and the second port is connected and installed with one end of the liquid inlet pipe.

[0007] Furthermore, connection blocks are fixedly installed at the four corners of one side of the flat box, and the connection blocks are fixedly connected to the outer side wall of the high-voltage cabinet body.

[0008] Furthermore, the heat dissipation assembly includes a connecting strip fixedly installed at the four corners of one side of the flat box and a first fan; the number of the first fans is several, and the outer shells of two adjacent fans are fixedly connected, and the several first fans constitute a blower mechanism, and the four corners of the blower mechanism are fixedly connected to one end of the connecting strip.

[0009] Furthermore, there is a distance between the air blowing mechanism and the flat box, and a plurality of evenly distributed heat dissipation strips are arranged in the distance, and one end of the heat dissipation strip is connected to the outer wall of the flat box.

[0010] Furthermore, the heat-conducting coil is a U-shaped structure as a whole, and the heat-conducting coil is composed of square tubes.

[0011] Furthermore, the cabinet body of the high-voltage cabinet body also includes an outer layer and a heat insulation layer; the heat insulation layer is wrapped around the heat-conducting coil, and the outer layer is wrapped outside the heat insulation layer.

[0012] Furthermore, a support foot is fixedly installed at each of the four corners of the bottom of the high-voltage cabinet body.

[0013] Furthermore, a mounting groove is provided at the bottom of the high-voltage cabinet body, and a second fan is fixedly embedded in the mounting groove.

[0014] Furthermore, a ventilation groove is provided on the top of the high-voltage cabinet body, and a protective net is embedded in the ventilation groove.

[0015] Furthermore, the mounting seat on the booster pump is fixedly mounted to the outer side wall of the high-voltage cabinet body.

[0016] The benefits of the present application are as follows: the present application proposes a high-voltage cabinet with an overheat protection function, which can prevent internal overheating and protect internal components; compared with the prior art, the overall integration is high, and the coolant storage box in the liquid cooling structure is designed as a flat box structure, that is, a flat box, which is installed on one side of the high-voltage cabinet body, and the heat dissipation component is further installed on one side of the flat box, so that the overall overheat protection and the structure for heat dissipation are integrated on one side of the high-voltage cabinet body, avoiding the overall occupation of too large a volume;

[0017] Furthermore, the flat box is directly used as a heat dissipation element, which has the dual functions of coolant storage and coolant heat dissipation, so that the whole does not need to set up an additional radiator or branch pipe for heat dissipation, saving the structure and reducing the overall space occupation;

[0018] Furthermore, by designing the structure used for heat conduction and absorbing the heat inside the high-voltage cabinet body into a coil structure, the contact effect of heat dissipation is ensured, and a heat conductive layer is further provided to conduct heat, which facilitates the conduction of internal heat. At the same time, it is integrated in the cabinet wall of the high-voltage cabinet body, and does not occupy the space inside the cabinet, avoiding affecting the installation and use of the components inside the cabinet, and the overall practicality is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0021] Figure 2 This is a schematic diagram of the structure of the heat dissipation strip distribution of an embodiment of the present application;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of a high-voltage cabinet body according to an embodiment of the present application;

[0023] Figure 4 For an embodiment of the present application Figure 3 The enlarged structural diagram of the middle A part;

[0024] Figure 5 This is a schematic diagram of the structure of a heat-conducting coil according to an embodiment of the present application.

[0025] In the figure: 1. high-voltage cabinet body; 101. outer layer; 102. insulation layer; 103. heat-conducting coil; 103a. first port; 103b. second port; 104. heat-conducting layer; 2. support feet; 3. protective net; 4. connecting block; 5. flat box; 501. first interface; 502. second interface; 6. connecting strip; 7. first fan; 8. heat dissipation strip; 9. booster pump; 10. liquid inlet pipe; 11. liquid outlet pipe; 12. second fan. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0030] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] See also Figure 1-5 As shown, a high-voltage cabinet with an overheat protection function comprises a high-voltage cabinet body 1; a flat box 5 for storing coolant and a booster pump 9 are arranged on the outside of one side of the high-voltage cabinet body 1, and a first interface 501 and a second interface 502 are arranged at the top front end of the flat box 5 and the bottom front end of the flat box 5 respectively; the liquid extraction end of the booster pump 9 is connected to the first interface 501 of the flat box 5, and the liquid outlet end of the booster pump 9 is connected to a liquid outlet pipe 11;

[0033] A heat dissipation component is provided on one side of the flat box 5 away from the high-voltage cabinet body 1;

[0034] The second interface 502 of the flat box 5 is connected to a liquid inlet pipe 10;

[0035] In a specific implementation, the cabinet body of the high-voltage cabinet body 1 includes a heat-conducting layer 104 and a heat-conducting coil 103, wherein the heat-conducting coil 103 is located inside the cabinet wall of the high-voltage cabinet body 1, and the heat-conducting coil 103 is spirally wound on the outer wall of the heat-conducting layer 104, and the inner wall of the heat-conducting layer 104 is the inner cabinet wall of the high-voltage cabinet body 1; the heat-conducting coil 103 is a U-shaped structure as a whole, and the heat-conducting coil 103 is composed of a square tube; the cabinet body of the high-voltage cabinet body 1 also includes an outer layer 101 and a heat-insulating layer 102; the heat-insulating layer 102 is wrapped around the heat-conducting coil 103, and the outer layer 101 is wrapped around the heat-insulating layer 1 02's outside; the cabinet structure of the high-voltage cabinet body 1 is formed by the outer layer 101, the insulation layer 102, the heat-conducting coil 103 and the heat-conducting layer 104, which is in contact with the outside through the outer layer 101, and is made of stainless steel; further, the insulation layer 102 and the heat-conducting coil 103 are used as the inner layer, and the insulation layer 102 is used for insulation to avoid heat exchange between the heat-conducting coil 103 and the outer layer 101. The insulation layer 102 is made of insulation cotton or asbestos rope material, which is sealed inside and will not cause harm to the human body; the heat-conducting coil 103 and the heat-conducting layer 104 can both be made of metal copper, which has a good thermal conductivity effect.

[0036] The two ends of the heat conducting coil 103 are respectively a first port 103a and a second port 103b. The first port 103a is connected to one end of the liquid outlet pipe 11 and the second port 103b is connected to one end of the liquid inlet pipe 10.

[0037] Connecting blocks 4 are fixedly installed at the four corners of one side of the flat box 5 , and the connecting blocks 4 are fixedly connected to the outer side wall of the high-voltage cabinet body 1 .

[0038] The heat dissipation assembly includes a connecting strip 6 and a first fan 7 fixedly installed at the four corners of one side of the flat box 5; the number of the first fans 7 is several, and the outer shells of two adjacent fans are fixedly connected, and the several first fans 7 constitute a blower mechanism, and the four corners of the blower mechanism are fixedly connected to one end of the connecting strip 6.

[0039] There is a distance between the air blowing mechanism and the flat box 5, and a plurality of evenly distributed heat dissipation strips 8 are arranged in the distance, one end of the heat dissipation strip 8 is connected to the outer wall of the flat box 5; the flat box 5 and the heat dissipation strip 8 are preferably made of metal copper.

[0040] A support foot 2 is fixedly installed at each of the four corners of the bottom of the high-voltage cabinet body 1 .

[0041] A mounting groove is formed at the bottom of the high-voltage cabinet body 1, and a second fan 12 is fixedly mounted in the mounting groove.

[0042] A ventilation groove is provided on the top of the high-voltage cabinet body 1, and a protective net 3 is embedded in the ventilation groove.

[0043] The mounting seat on the booster pump 9 is fixedly mounted to the outer side wall of the high-voltage cabinet body 1 .

[0044] Method of use: The present application proposes a high-voltage cabinet with an overheat protection function, which can prevent internal overheating and protect internal components; compared with the prior art, it has high overall integration, and the coolant storage box in the liquid cooling structure is designed as a flat box structure, that is, a flat box 5, which is installed on one side of the high-voltage cabinet body 1, and the heat dissipation component is further installed on one side of the flat box 5, so that the overall overheat protection and the structure for heat dissipation are integrated into one side of the high-voltage cabinet body 1, avoiding the overall occupation of too large a volume;

[0045] Furthermore, the flat box 5 is directly used as a heat dissipation element, which has two functions of coolant storage and coolant heat dissipation, so that the whole does not need to set up an additional radiator or branch pipe for heat dissipation, saving structure and reducing the overall space occupation;

[0046] Furthermore, the structure for conducting heat and absorbing the internal heat of the high-voltage cabinet body 1 is designed as a coil structure, thereby ensuring the contact effect of heat dissipation. A heat-conducting layer 104 is further provided to conduct heat, thereby facilitating the conduction of internal heat. Meanwhile, the heat-conducting layer 104 is integrated into the cabinet wall of the high-voltage cabinet body 1, so that the heat-conducting layer 104 does not occupy the space inside the cabinet body, thereby avoiding affecting the installation and use of the components inside the cabinet body, and thus having strong overall practicality.

[0047] In its specific implementation, the interior of the high-voltage cabinet body 1 is the same as that of the traditional high-voltage cabinet, and its interior is used to install various components. The heat-conducting layer 104 provides a mounting surface. The component installation position needs to be insulated, and a heat-conducting silicone sheet can be used for isolation to prevent the component from directly contacting the heat-conducting layer 104. During daily work, the heat generated by the component is transferred to the heat-conducting coil 103 through the heat-conducting layer 104. Further, the coolant in the heat-conducting coil 103 continues to flow for heat exchange and takes away the heat. Specifically, the booster pump 9 is used to extract the heat. The flat box 5 The coolant enters the booster pump 9 through the first interface 501, then enters the heat conducting coil 103 through the liquid outlet pipe 11, circulates in the heat conducting coil 103, and then flows back to the flat box 5 through the liquid inlet pipe 10; wherein the heat dissipation component continuously provides heat dissipation for the flat box 5, and dissipates the heat of the coolant refluxed in the flat box 5 through heat exchange, and provides air blowing heat dissipation for one side of the flat box 5 through the first fan 7, and greatly increases the heat dissipation area of ​​the flat box 5 through the heat dissipation strip 8, which is convenient for heat dissipation, thereby achieving heat dissipation inside the high-voltage cabinet body 1;

[0048] Further, the second fan 12 continues to provide blowing air, further providing heat dissipation, and discharges air through the ventilation slot to discharge heat;

[0049] In summary, heat dissipation can prevent the high-voltage cabinet from overheating, thus playing a protective role and making the high-voltage cabinet as a whole have an overheat protection function.

[0050] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.

[0051] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-voltage cabinet with overheat protection function, comprising a high-voltage cabinet body (1); characterized in that: A flat box (5) for storing cooling liquid and a booster pump (9) are arranged on the outside of one side of the high-voltage cabinet body (1); a first interface (501) and a second interface (502) are arranged at the top front end of the flat box (5) and the bottom front end of the flat box (5), respectively; a liquid extraction end of the booster pump (9) is connected to the first interface (501) of the flat box (5), and a liquid outlet pipe (11) is installed at the liquid outlet end of the booster pump (9); A heat dissipation component is provided on a side of the flat box (5) away from the high-voltage cabinet body (1); The second interface (502) of the flat box (5) is connected to a liquid inlet pipe (10); The cabinet body of the high-voltage cabinet body (1) comprises a heat-conducting layer (104) and a heat-conducting coil (103); the heat-conducting coil (103) is located inside the cabinet wall of the high-voltage cabinet body (1), and the heat-conducting coil (103) is spirally arranged on the outer wall of the heat-conducting layer (104); and the inner wall of the heat-conducting layer (104) is the inner cabinet wall of the high-voltage cabinet body (1); The two ends of the heat-conducting coil (103) are respectively a first port (103a) and a second port (103b); the first port (103a) is connected and installed with one end of the liquid outlet pipe (11); and the second port (103b) is connected and installed with one end of the liquid inlet pipe (10).

2. The high-voltage cabinet with overheat protection function according to claim 1 is characterized in that: Connecting blocks (4) are fixedly installed at the four corners of one side of the flat box (5), and the connecting blocks (4) are fixedly connected to the outer side wall of the high-voltage cabinet body (1).

3. The high-voltage cabinet with overheat protection function according to claim 1 is characterized in that: The heat dissipation assembly comprises a connecting strip (6) fixedly mounted at four corners of one side of the flat box (5) and a first fan (7); the number of the first fans (7) is several, and the shells of two adjacent fans are fixedly connected, and the several first fans (7) constitute a blower mechanism, and the four corners of the blower mechanism are fixedly connected to one end of the connecting strip (6).

4. The high-voltage cabinet with overheat protection function according to claim 3 is characterized in that: There is a distance between the air blowing mechanism and the flat box (5), and a plurality of evenly distributed heat dissipation strips (8) are arranged in the distance, and one end of the heat dissipation strip (8) is connected to the outer wall of the flat box (5).

5. The high-voltage cabinet with overheat protection function according to claim 1 is characterized in that: The heat-conducting coil (103) is a U-shaped structure as a whole, and the heat-conducting coil (103) is composed of a square tube.

6. The high-voltage cabinet with overheat protection function according to claim 1 is characterized in that: The cabinet body of the high-voltage cabinet body (1) further comprises an outer layer (101) and a heat insulation layer (102); the heat insulation layer (102) is wrapped around the heat-conducting coil (103), and the outer layer (101) is wrapped outside the heat insulation layer (102).

7. The high-voltage cabinet with overheat protection function according to claim 1 is characterized in that: A support foot (2) is fixedly mounted at each of the four corners of the bottom of the high-voltage cabinet body (1).

8. The high-voltage cabinet with overheat protection function according to claim 1 is characterized in that: The bottom of the high-voltage cabinet body (1) is provided with a mounting groove, in which a second fan (12) is fixedly embedded and mounted.

9. The high-voltage cabinet with overheat protection function according to claim 1 is characterized in that: A ventilation groove is provided on the top of the high-voltage cabinet body (1), and a protective net (3) is embedded and installed in the ventilation groove.

10. The high voltage cabinet with overheat protection function according to claim 1, characterized in that: The mounting seat on the booster pump (9) is fixedly mounted on the outer side wall of the high-voltage cabinet body (1).

Images