An electrical cabinet with water and electricity separation

Abstract

The present invention discloses an electrical cabinet with water and electricity separation, which includes a cabinet body and a liquid cooling component. The conveying module in the liquid cooling component includes two connectors, a conveying pipe and a threaded fastener. The first connector is arranged on the radiator and is provided with a first docking portion extending along a first direction; the second connector is arranged on the first partition board and is provided with a second docking portion extending along a second direction; the first direction is perpendicular to the second direction; the two ends of the conveying pipe are respectively provided with a third docking portion and a fourth docking portion. The third docking portion is adapted to be hermetically inserted and connected with the first docking portion along the first direction, and the fourth docking portion is adapted to be hermetically inserted and connected with the second docking portion along the second direction; the threaded fastener is screwed to the first docking portion or the third docking portion to adjust the position of the third docking portion relative to the first docking portion through thread fitting. The electrical cabinet adopting the above structure can improve the problem that the normal use of electrical components in the cabinet is affected by liquid leakage when a liquid cooling radiator is adopted.

Description

Technical Field

[0001] The present invention relates to the technical field of leakage prevention of electrical cabinets, and particularly to an electrical cabinet with separation of water and electricity. Background Art

[0002] In traditional electrical cabinets, multiple fans are generally installed inside the cabinet for forced air cooling. Air cooling has problems such as high energy consumption, high noise, and low cooling efficiency. With the development of technology, it has become possible to install a liquid cooling system inside the electrical cabinet. The liquid cooling technology uses a liquid heat transfer medium with high cooling efficiency, such as water, oil, or ethylene glycol, etc. for heat exchange. Specifically, according to the type of electrical components that need to be cooled, a corresponding liquid cooling component will be designed. This liquid cooling component can include a radiator that exchanges heat with the electrical components, a heat exchanger for exchanging heat with the external environment, and a liquid cooling pipeline connecting the heat exchanger and the radiator. The radiator is internally provided with a liquid cooling medium flow channel. The liquid cooling pipeline transports the liquid cooling medium with a lower temperature from the heat exchanger to the flow channel inside the radiator, and then transports the liquid cooling medium with a higher temperature inside the radiator to the heat exchanger. However, in actual applications, in order to facilitate the installation of the radiator and the liquid cooling pipeline, generally the radiator is first installed inside the electrical cabinet, and then the liquid cooling pipeline is connected to the radiator through a quick connector. After the quick connector is used for a period of time, it is prone to leakage, affecting the normal use of the electrical components inside the cabinet. Summary of the Invention

[0003] The purpose of the present invention is to overcome the above-mentioned defects or problems in the background art, and provide an electrical cabinet with separation of water and electricity, which can improve the problem that the normal use of electrical components inside the cabinet is affected by leakage when using a liquid cooling radiator.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] Technical solution 1: An electrical cabinet with water and electricity separation, which includes: a cabinet body, which is provided with a first area and a second area separated by a first partition, and the first area is in a closed state; and a liquid cooling component, which includes a radiator, a heat exchanger and a conveying module. The radiator is located in the first area and dissipates heat for electrical components that need to be cooled through the circulating flow of internal liquid cooling medium. The heat exchanger is located outside the first area and is used for heat exchange of the liquid cooling medium. The conveying module includes a first joint, a conveying pipe, a second joint and a threaded fastener. The first joint is arranged on the radiator and communicated with the internal flow channel of the radiator, and is provided with a first docking portion extending along a first direction. The second joint is arranged on the first partition and communicated on both sides of the first partition. On one side of the first area, it is provided with a second docking portion extending along a second direction. The first direction is perpendicular to the second direction. The two ends of the conveying pipe are respectively provided with a third docking portion and a fourth docking portion. The third docking portion is adapted to be hermetically inserted and connected with the first docking portion along the first direction, and the fourth docking portion is adapted to be hermetically inserted and connected with the second docking portion along the second direction. The threaded fastener is screwed onto the first docking portion or the third docking portion to adjust the position of the third docking portion relative to the first docking portion through thread cooperation.

[0006] Technical solution 2 based on technical solution 1: One of the first docking portion or the third docking portion is provided with a docking opening, and the other is provided with a docking plug. The inner diameter of the docking opening gradually decreases from the open end, the shape of the docking plug is adapted to the docking opening, and a sealing ring is provided around the outer periphery of the docking plug.

[0007] Technical solution 3 based on technical solution 2: For the one with the docking opening among the first docking portion and the third docking portion, an external thread is provided on its outer periphery. For the one with the docking plug among the first docking portion and the third docking portion, protruding clamping portions are also arranged circumferentially. The threaded fastener is sleeved on the first docking portion and the third docking portion, and is in clamping cooperation with the clamping portion along the first direction and in thread cooperation with the external thread to adjust the degree to which the docking plug extends into the docking opening along the first direction by rotating relative to the external thread.

[0008] Technical solution 4 based on technical solution 3: After the docking opening and the docking plug are tightly connected by the threaded fastener, the threaded fastener is welded to the first docking portion and / or the third docking portion as a whole.

[0009] Technical solution 5 based on technical solution 4: The conveying pipe includes a main pipe body and a docking member. The main pipe body is hermetically connected to the docking member, and the docking member is used to set the third docking portion.

[0010] Technical solution six based on technical solution five: the fourth docking portion is formed at one end of the main pipe body, and the fifth docking portion extending along the second direction is formed at the other end; the docking piece is provided with a sixth docking portion extending along the second direction, and the fifth docking portion and the sixth docking portion are sealed and plugged together.

[0011] Technical solution seven based on technical solution six: the second docking portion and the fourth docking portion, and the fifth docking portion and the sixth docking portion are welded into one after being plugged in.

[0012] Technical solution eight based on technical solution six: the second joint is located on one side of the second area and is connected to the heat exchanger through a quick joint and a connecting pipe.

[0013] Technical solution nine based on technical solution one: the radiator is provided with two first joints for respectively receiving and outputting liquid cooling medium, the two first joints are arranged along the second direction, and the first partition is located on one side of the radiator in the second direction.

[0014] Technical solution 10 based on any one of technical solutions 1 to 9: the cabinet body is also provided with a third area isolated from the second area by a second partition, the second area is in a closed state, and the heat exchanger is located in the third area.

[0015] It can be seen from the above description of the present invention that, compared with the prior art, the present invention has the following beneficial effects:

[0016] Technical solution 1 provides an electrical cabinet with water-electricity separation, wherein the cabinet body is divided into a first area and a second area by a first partition, the first area is in a closed state, and the first area can accommodate electrical components that need heat dissipation. In practical applications, the first area can be designed as a cabin with a higher protection level, such as an IP65 protection cabin. Due to the presence of the first partition, it is difficult for external rainwater to enter the first area;

[0017] The second area can be a sealed cabin or an exposed part of the cabinet, which can be used to place devices with lower protection level requirements; at the same time, a liquid cooling component is arranged in the cabinet, and the liquid cooling component includes a radiator, a heat exchanger and a conveying module. The heat exchanger is located outside the first area and the second area to exchange heat with the external environment. The radiator can be arranged close to the electrical components that need heat dissipation to dissipate the heat of the electrical components. The conveying module can convey the liquid cooling medium with a lower temperature to the radiator, and convey the liquid cooling medium with a higher temperature to the heat exchanger, thereby completing the heat dissipation cycle;

[0018] Among them, the conveying module includes a first joint, a conveying pipe, a second joint and a threaded fastener; since the radiator is arranged in the first area with a relatively high protection requirement level, and the radiator must be connected to the liquid cooling pipeline, the conventional method of using a quick joint to connect the radiator and the liquid cooling pipeline is very likely to cause liquid leakage in the liquid cooling pipeline due to problems with the quick joint after long-term use, resulting in damage to the electrical components in the first area; in this technical solution, the overall sealing performance of the conveying module is improved through the plug connection and the connection of the threaded fastener, avoiding the liquid leakage at the pipeline connection.

[0019] Meanwhile, adopting the above-mentioned conveying module is also conducive to the reliable installation of pipelines. Generally, the liquid-cooled radiator inside the electrical cabinet is placed vertically, that is, the heat dissipation surface on it extends along the vertical direction. At the same time, the interfaces for conveying the liquid-cooled medium are also arranged on the vertical surface of the radiator. At the same time, the first partition is also placed vertically, so that the conveying pipe can directly insert the joints on the radiator and the first partition in the horizontal direction to achieve a sealed insertion connection. However, due to the existence of assembly errors, after the conveying pipe is inserted into the radiator along the second direction, the situation where the position of the conveying pipe is stuck is likely to occur, which will cause the length of the conveying pipe to be too long, and the conveying pipe cannot form a sealed insertion connection with the second joint arranged on the first partition. To solve this problem, the welding method can be used to connect the conveying pipe and the joint. When welding, generally the end of the conveying pipe connected to the radiator is welded first, and at this time, the situation where the other end of the conveying pipe is inclined is likely to occur, resulting in the inability of the conveying pipe to be accurately aligned with the joint on the first partition. Adopting the above-mentioned conveying module can effectively solve the above problems. Specifically, in the above technical solution, since the extending directions of the first joint and the second joint are perpendicular, the extending directions of the two ends of the conveying pipe are also perpendicular to each other, that is, the conveying pipe is bent at the middle position. The accuracy of the conveying pipe during manufacturing can be guaranteed. The problem mainly lies in the assembly error. When the size of the conveying pipe is determined, by bending the conveying pipe at the middle position, the original assembly problem in the length direction caused by insertion is converted into an assembly problem in the height direction. It only needs to ensure the accurate position of the conveying pipe in the first direction. At the same time, due to the bending of the conveying pipe at the middle position, the length of the conveying pipe is reduced. Therefore, after the conveying pipe is connected to the first joint, the degree of inclination of the end for connecting the second joint will also be greatly reduced, which is convenient for the insertion connection between the conveying pipe and the second joint. When installing the above-mentioned conveying module, the third docking part of the conveying pipe and the first docking part of the first joint can be inserted and connected first, and then the position of the third docking part relative to the first docking part can be adjusted by a threaded fastener. At this time, the whole conveying pipe can be adjusted in position in the first direction. When the position is adjusted in place and the first docking part and the third docking part are sealed in place, the position of the conveying pipe in the first direction can also be correctly aligned with the second joint. Then the first partition is assembled, and the fourth docking part of the conveying pipe and the second docking part of the second joint on the first partition are inserted and connected, so as to solve the problem that when the conveying pipe is a rigid pipe and a fixed connection method is adopted, the conveying pipe and the second joint cannot be accurately aligned due to errors. The purpose of setting the extending directions of the third docking part and the fourth docking part to be perpendicular is to install the two ends of the conveying pipe in two directions respectively. In this way, the length dimension of the conveying pipe in the second direction is determined, and only the position of the conveying pipe in the first direction needs to be determined, and the position in the first direction can be adjusted by a threaded fastener.

[0020] In addition, if the method of directly thread - fitting the delivery pipe with the first joint is adopted for connection, in addition to the problem that the delivery pipe is likely to interfere with other devices inside the electrical cabinet during rotation, due to the precision problem of thread milling, after the delivery pipe is tightened, the end near the first partition may not be directly opposite to the second joint, resulting in the inability of the delivery pipe to be accurately inserted into the second joint; by adopting the above - mentioned assembly method, the angular position of the end of the delivery pipe relative to the first partition can always be directly opposite, ensuring that the delivery pipe can be accurately inserted into the second joint.

[0021] In Technical Solution 2, a docking opening and a docking plug are provided, and the inner diameter of the docking opening gradually decreases. When the docking plug is inserted into the docking opening, the inner wall of the docking opening can receive the docking plug and press the sealing ring on the outer periphery of the docking plug, causing the sealing ring to deform. Compared with the conventional straight - tube - shaped sealing fit, for this kind of sealing fit, since the pressure applied to the sealing ring can be adjusted by a threaded fastener, thereby adjusting the degree of deformation of the sealing ring, the sealing effect will be better; at the same time, the sealing ring also plays a role of leaving a margin for the position adjustment of the third docking part and the first docking part.

[0022] In Technical Solution 3, an external thread is provided on the outside of the docking opening, and a clamping part is provided on the docking plug. The threaded fastener is screwed onto the external thread and is clamped and matched with the clamping part at the same time. When the threaded fastener is tightened, the threaded fastener drives the docking plug to move towards the docking opening by abutting against the clamping part on the docking plug. When the threaded fastener is loosened, the sealing ring recovers its deformation and drives the docking plug to move slightly in the direction away from the docking opening. When the threaded fastener is completely disengaged from the external thread, the docking plug can be disengaged from the docking opening for fastening connection.

[0023] In Technical Solution 4, the threaded fastener after fastening connection is also welded to the first docking part and the third docking part, which can further improve the connection strength between the first joint and the delivery pipe and avoid the leakage of the liquid - cooling medium during transportation or other harsh conditions.

[0024] In Technical Solution 5, the delivery pipe includes a main pipe body and a docking part. Dividing the delivery pipe into two components can facilitate the forming and installation of the delivery pipe. Since the extending directions at both ends of the delivery pipe are perpendicular, the delivery pipe needs to have a bent part. In order to avoid stress concentration and wall thinning at the bent part of the delivery pipe, the delivery pipe is set as a main pipe body and a docking part, so that the delivery pipe does not need to be bent at a large angle, thereby improving the overall structural strength of the delivery pipe.

[0025] In Technical Solution 6, the main pipe body and the docking part are connected by an insertion connection method, which is convenient for the forming of the delivery pipe.

[0026] In Technical Solution 7, the main pipe body and the docking component are welded into one body after being inserted and connected to each other, so that the connection strength is higher.

[0027] In Technical Solution 8, the second joint is located on one side of the second area and is connected to the heat exchanger through a quick connector and a connecting pipe. Since the second area does not require the same high protection level as the first area, the radiator and the heat exchanger can be conveniently and quickly connected through the quick connector.

[0028] In Technical Solution 9, the two first joints on the radiator are arranged along the second direction, and at the same time, the first partition is located on one side of the radiator in the second direction, so that the overall length of the conveying pipe can be shortened and the space occupied by the conveying pipe can be reduced.

[0029] In Technical Solution 10, a third area is further provided in the cabinet body, and a heat exchanger is arranged in the third area. The third area can be completely exposed to ensure the normal use of the heat exchanger, and the liquid cooling medium is cooled by the heat exchanger. At the same time, a multi-level liquid leakage protection area of the first area, the second area and the third area is formed on the cabinet body. In the actual application scenario, if the second area is directly exposed, the radiator, related liquid cooling pipe fittings, etc. will be directly faced with the intrusion of the external environment. After long-term use, problems such as aging and damage are likely to occur. By setting three levels of liquid leakage protection and taking advantage of the relatively independent characteristics of the second area, the normal use of the radiator and liquid cooling pipe fittings can be ensured and the service life can be extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0031] Figure 1 It is a schematic structural diagram of an electrical cabinet provided by an embodiment of the present invention;

[0032] Figure 2 is Figure 1 a schematic structural diagram of the liquid cooling component in

[0033] Figure 3 is Figure 1 an enlarged view of part A in

[0034] Figure 4 is Figure 1 a top view of the liquid cooling component in

[0035] Figure 5 is Figure 4 a cross-sectional schematic diagram of the liquid cooling component in

[0036] Figure 6For Figure 5 An enlarged view of part B in

[0037] Description of main reference numerals:

[0038] Cabinet 1; cabinet body 2; first partition 3; first area 4; second area 5; liquid cooling component 6; radiator 7; heat exchanger 8; conveying module 9; first joint 10; conveying pipe 11; second joint 12; threaded fastener 13; first docking part 14; second docking part 15; third docking part 16; fourth docking part 17; docking opening 18; docking plug 19; sealing ring 20; external thread 21; clamping part 22; main pipe body 23; docking part 24; fifth docking part 25; sixth docking part 26; quick connector 27; connecting pipe 28; second partition 29; third area 30; electrical component 31; flow channel 32; clamping flange 33; docking main body 34; docking head 35. Specific embodiments

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0040] In the claims, the description and the above-mentioned accompanying drawings of the present invention, unless otherwise clearly defined, when using terms such as "first", "second" or "third", etc., are for distinguishing different objects and not for describing a specific order.

[0041] In the claims, the description and the above-mentioned accompanying drawings of the present invention, unless otherwise clearly defined, for orientation terms, when using terms such as "center", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. to indicate the orientation or position relationship, it is based on the orientation and position relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as limiting the specific protection scope of the present invention.

[0042] In the claims, the description and the above-mentioned accompanying drawings of the present invention, unless otherwise clearly defined, when using terms such as "fixed connection" or "fixedly connected", should be understood in a broad sense, that is, any connection method without displacement relationship and relative rotation relationship between the two, that is, including non-detachable fixed connection, detachable fixed connection, being integrally connected, and being fixed by other devices or elements.

[0043] In the claims, the description and the above-mentioned drawings of the present invention, when terms such as "comprising", "having" and their variants are used, are intended to mean "including but not limited to".

[0044] Referring to Figure 1 , an embodiment of the present invention provides an electrical cabinet with water and electricity separation. Figure 1 It shows the main layout structure of the electrical cabinet 1. The electrical cabinet 1 mainly includes a cabinet body 2, a liquid cooling component 6, and electrical components 31. The electrical components 31 are located inside the cabinet body 2 and are cooled by the liquid cooling component 6. In this embodiment, the electrical cabinet 1 is an inverter, and the above-mentioned electrical components 31 are power modules, and the power modules are generally IGBT switching tubes. Of course, this does not mean that the electrical cabinet 1 only includes the above-mentioned devices. Other devices such as reactors and transformers can also be installed in the cabinet body 2 and can be set according to actual needs. In addition, in other embodiments, the electrical cabinet 1 can be other types of electrical cabinets 1, such as an energy storage cabinet 1, a high-voltage cabinet 1, etc. In different types of electrical cabinets 1, the types of electrical components 31 can be adjusted according to actual needs. The electrical components 31 generate a large amount of heat during operation, so they need to be cooled. Generally speaking, the cooling method in the electrical cabinet 1 is air-cooled. However, when the cold air is difficult to reach the position of the electrical components 31, or the cooling capacity provided by the cold air is insufficient to meet the requirements, other methods need to be used for cooling.

[0045] Referring to Figure 1 , in the electrical cabinet with water and electricity separation provided in this embodiment, a first area 4 and a second area 5 separated by a first partition 3 are provided in the cabinet body 2, and the first area 4 is in a closed state. The liquid cooling component 6 includes a radiator 7, a heat exchanger 8, and a delivery module 9. The radiator 7 is located in the first area 4 and cools the electrical components 31 that need to be cooled through the circulation of the internal liquid cooling medium. The heat exchanger 8 is located outside the first area 4 and is used for heat exchange of the liquid cooling medium. In addition, the cabinet body 2 is provided with a third area 30 separated from the second area 5 by a second partition 29. The first area 4 and the second area 5 are in a closed state; the heat exchanger 8 is located in the third area 30.

[0046] Specifically, referring to Figure 1, the cabinet body 2 of the cabinet 1 includes a frame and side plates fixed to the frame. The frame is used to define the scope of the cabinet body 2 and support the cabinet body 2, and the side plates are used to separate the cabinet body 2 from the outside world, making the cabinet body 2 an independent component. Among them, in the cabinet body 2 provided in this embodiment, a first area 4, a second area 5, and a third area 30 are partitioned. The first area 4 and the second area 5 are in a closed state, and the third area 30 is in an open state. Here, the closed state means that the corresponding area is not directly connected to the outside of the cabinet body 2, or a closed treatment is carried out at the part separated from the outside of the cabinet body 2; the open state means that the corresponding area is directly connected to the outside of the cabinet body 2, and rainwater, dust, etc. in the external environment of the cabinet body 2 can directly reach the third area 30. In this embodiment, both the first area 4 and the second area 5 have their own protection level requirements, but the protection level requirement of the second area 5 is lower than that of the first area 4. For example, the protection level of the first area 4 is IP66, and the protection level requirement of the second area 5 is IP65.

[0047] Referring to Figure 1 , the outermost side plate on the cabinet body 2 defines the outer boundary of the cabinet body 2, and at the same time defines a chamber inside the cabinet body 2. In this chamber, a first area 4 and a second area 5 are also defined by a partition. Referring to Figure 1 , the partition used to define the first area 4 and the second area 5 here is the first partition 3, and the partition used to define the first area 4, the second area 5, and the third area 30 is the second partition 29. Both the first partition 3 and the second partition 29 can be fixed to the frame by bolts. The first area 4 is located at the front side of the cabinet body 2, the second area 5 is located at the rear side of the cabinet body 2, and the third area 30 is located at the top of the cabinet body 2. The electrical component 31 is arranged in the first area 4, the radiator 7 is arranged in the second area 5, and the heat exchanger 8 is arranged in the third area 30.

[0048] The above-mentioned cabinet body 2 forms a multi-level liquid leakage protection area for the first area 4, the second area 5, and the third area 30; in the actual application scenario, if the second area 5 is directly exposed, it will cause the radiator 7, related liquid cooling pipe fittings, etc. to be directly faced with the intrusion of the external environment. After long-term use, it is easy to age, damage, etc. By setting three levels of liquid leakage protection and utilizing the relatively independent characteristics of the second area 5, the normal use of the radiator 7 and the liquid cooling pipe fittings can be guaranteed and the service life can be extended.

[0049] Among them, referring to Figure 5 , a flow channel 32 is arranged inside the radiator 7, and the liquid cooling medium is connected to the heat exchanger 8 through the conveying module 9, so that the liquid cooling medium circulates in the flow channel 32 inside the radiator 7. Referring to Figure 1 , in this embodiment, the radiator 7 is arranged horizontally along the second direction, and the electrical component 31 that needs to be cooled is fixedly installed on the upper surface of the radiator 7, and the heat of the electrical component 31 is taken away when the liquid cooling medium flows.

[0050] Referring to Figure 1 、 Figure 2 and Figure 3 ,the conveying module 9 includes a first joint 10, a conveying pipe 11, a second joint 12 and a threaded fastener 13; the first joint 10 is provided on the radiator 7 and communicates with the internal flow channel 32 of the radiator 7, and is provided with a first docking portion 14 extending in a first direction; the second joint 12 is provided on the first partition 3 and communicates with both sides of the first partition 3, and a second docking portion 15 extending in a second direction is provided on one side of the first region 4; the first direction is perpendicular to the second direction; both ends of the conveying pipe 11 are respectively provided with a third docking portion 16 and a fourth docking portion 17, the third docking portion 16 is adapted to be hermetically inserted and connected with the first docking portion 14 in the first direction, and the fourth docking portion 17 is adapted to be hermetically inserted and connected with the second docking portion 15 in the second direction; the threaded fastener 13 is screwed to the first docking portion 14 or the third docking portion 16 to adjust the position of the third docking portion 16 relative to the first docking portion 14 through thread fitting.

[0051] Two interfaces communicating with the internal flow channel 32 are provided on the radiator 7, and two first joints 10 are provided on these two interfaces, respectively used for conveying the liquid cooling medium to the flow channel 32 and recovering the liquid cooling medium from the flow channel 32. These two interfaces are provided on the upper side surface of the radiator 7 and are arranged in the second direction, so the two first joints 10 are also arranged in the second direction. Referring to Figure 1 、 Figure 2 ,the first partition 3 is located on one side of the radiator 7 in the second direction, and the conveying module 9 directly circulates and conveys the liquid cooling medium between the radiator 7 and the heat exchanger 8 through the second joint 12.

[0052] Referring to Figure 3, the first joint 10 in the conveying module 9 is arranged on the radiator 7. The first joint 10 can be welded to the interface on the radiator 7 that communicates with the flow channel 32 by welding, and a first docking portion 14 extending along the first direction is formed above the first joint 10; correspondingly, one end of the conveying pipe 11 close to the first joint 10 forms a third docking portion 16. The third docking portion 16 extends along the first direction, and the third docking portion 16 can be hermetically inserted and connected with the first docking portion 14. The second joint 12 can be fixed to the first partition plate 3 by welding. There are also two second joints 12, which are respectively connected to the two conveying pipes 11; a second docking portion 15 extending along the second direction is arranged on the part of the second joint 12 located in the first area 4; correspondingly, one end of the conveying pipe 11 close to the second joint 12 forms a fourth docking portion 17. The fourth docking portion 17 extends along the second direction, and the fourth docking portion 17 can be hermetically inserted and connected with the second docking portion 15. It should be noted that the "hermetic insertion connection" mentioned here means that the shapes of the two components match each other, so that one component can be inserted into the other component along a predetermined direction and form an interference fit, and then through relevant sealing means, the interference-fitted part of the two has a sealing effect. For example, in this embodiment, after the second docking portion 15 and the fourth docking portion 17 are inserted and connected, they are also sealed by welding.

[0053] Since the radiator 7 is arranged in the first area 4 with a relatively high protection requirement level, and the radiator 7 must be connected to the liquid cooling pipeline, the conventional method of using quick connectors to connect the radiator 7 and the liquid cooling pipeline is extremely likely to cause liquid leakage in the liquid cooling pipeline due to problems with the quick connectors after long-term use, resulting in damage to the electrical components 31 in the first area 4; in this technical solution, through the plug-in connection and the connection of the threaded fastener 13, the overall sealing performance of the conveying module 9 is improved, avoiding liquid leakage at the pipeline connection; at the same time, using the above-mentioned conveying module 9 is also beneficial to the reliable installation of the pipeline; generally, the sealed plug-in connection is a relatively conventional connection means, but due to manufacturing errors, after the conveying pipe 11 is inserted into the radiator 7 in the second direction, since the plug-in connection is prone to jamming, the length of the conveying pipe 11 becomes too long, and the conveying pipe 11 cannot form a sealed plug-in connection with the second joint 12 arranged on the first partition 3; generally speaking, the welding method can be used to solve the problem of the length error of the conveying pipe 11, but the welding method is prone to cause errors in the position of the pipeline relative to the radiator 7 in the first direction, resulting in the situation that the pipeline cannot be accurately aligned when connecting with the fittings on the first partition 3; during actual installation, the third docking portion 16 of the conveying pipe 11 and the first docking portion 14 of the first joint 10 can be first inserted and connected, and then the position of the third docking portion 16 relative to the first docking portion 14 can be adjusted through the threaded fastener 13. At this time, the overall conveying pipe 11 can be adjusted in position in the first direction. When the position is adjusted in place and the first docking portion 14 and the third docking portion 16 are sealed in place, the position of the conveying pipe 11 in the first direction can also be correctly aligned with the second joint 12. Then, the first partition 3 is assembled, and the fourth docking portion 17 of the conveying pipe 11 and the second docking portion 15 of the second joint 12 on the first partition 3 are inserted and connected, so as to solve the problem that the conveying pipe 11 and the second joint 12 cannot be accurately aligned due to errors when the conveying pipe 11 is a rigid pipe and a fixed connection method is used; the extension directions of the third docking portion 16 and the fourth docking portion 17 are set perpendicular to each other, aiming to install the two ends of the conveying pipe 11 in two directions respectively. In this way, the length dimension of the conveying pipe 11 in the second direction is determined, and only the position of the conveying pipe 11 in the first direction needs to be determined, and the position in the first direction can be adjusted through the threaded fastener 13.

[0054] Referring to Figure 3 , the threaded fastener 13 in the conveying module 9 is screwed to the first docking portion 14. By rotating the threaded fastener 13, the position of the third docking portion 16 relative to the first docking portion 14 can be adjusted. The cooperation method of the threaded fastener 13 with the first joint 10 and the conveying pipe 11 will be described in detail below.

[0055] In the conveying module 9, one of the first docking part 14 and the third docking part 16 is provided with a docking opening 18, and the other is provided with a docking plug 19; the inner diameter of the docking opening 18 gradually decreases starting from the open end, the shape of the docking plug 19 is adapted to the docking opening 18, and a sealing ring 20 is provided around the outer periphery of the docking plug 19. Specifically, referring to Figure 3 , in this embodiment, the first docking part 14 is provided with the docking opening 18, the third docking part 16 is provided with the docking plug 19, the docking opening 18 is in an inverted cone shape, and the diameter of its inner wall gradually decreases from top to bottom; the shape of the docking plug 19 is adapted to the docking opening 18, so that the docking plug 19 can be inserted into the docking opening 18; at the same time, a sealing ring 20 is provided around the outer periphery of the docking plug 19. After the docking plug 19 is inserted into the docking opening 18, the threaded fastener 13 tightly connects the first docking part 14 and the third docking part 16, and enables the docking plug 19 to be fixedly inserted into the docking opening 18. In this process, the sealing ring 20 will be compressed and deformed, and the sealing ring 20 can better seal the gap between the outer wall of the docking plug 19 and the inner wall of the docking opening 18, effectively improving the sealing effect. And, the sealing ring 20 also plays a role in leaving a margin for the position adjustment of the third docking part 16 and the first docking part 14 here. When adjusting the threaded fastener 13, if the position is too high, the threaded fastener 13 can be tightened, and if the position is too low, the threaded fastener 13 can be loosened. At this time, the degree of deformation of the sealing ring 20 will change, but a good sealing effect can be achieved.

[0056] In addition, for the first docking part 14 and the third docking part 16 where the docking opening 18 is provided, an external thread 21 is provided on the outer periphery thereof; for the first docking part 14 and the third docking part 16 where the docking plug 19 is provided, protruding clamping parts 22 are circumferentially arranged; the threaded fastener 13 is sleeved on the first docking part 14 and the third docking part 16, and is in clamping cooperation with the clamping part 22 along the first direction, and is in threaded cooperation with the external thread 21, so as to adjust the degree to which the docking plug 19 extends into the docking opening 18 along the first direction by rotating relative to the external thread 21. Specifically, referring to Figure 4 , Figure 5 and Figure 6, the first docking portion 14 is provided with an external thread 21, the third docking portion 16 is provided with a clamping portion 22, and the threaded fastener 13 is correspondingly provided with a clamping flange 33 for the clamping portion 22. The clamping flange 33 is higher than the clamping portion 22, so that the threaded fastener 13 can drive the third docking portion 16 to move downward; when docking the first docking portion 14 and the third docking portion 16, first sleeve the threaded fastener 13 onto the third docking portion 16 to make the clamping flange 33 and the clamping portion 22 in clamping fit, and then screw the threaded fastener 13 with the external thread 21 of the first docking portion 14. After that, rotate the threaded fastener 13, and the first docking portion 14 and the third docking portion 16 can be hermetically inserted and connected. At the same time, by rotating the threaded fastener 13, the position of the delivery pipe 11 in the first direction can be adjusted to make the position of the delivery pipe 11 inserted into the second joint 12 more accurate.

[0057] After connecting the first docking portion 14 and the third docking portion 16 through the threaded fastener 13, the threaded fastener 13 can also be welded to the first docking portion 14 and / or the third docking portion 16 to form an integral body, further improving the connection strength between the first joint 10 and the delivery pipe 11 and avoiding leakage of the liquid cooling medium during transportation or other harsh conditions.

[0058] Refer to Figure 1 , Figure 2 , the delivery pipe 11 includes a main pipe body 23 and a docking member 24. The main pipe body 23 is hermetically connected to the docking member 24, and the docking member 24 is used to set the third docking portion 16. Specifically, the number of the docking members 24 and the main pipe bodies 23 is two each. The docking member 24 is used to set the third docking portion 16, and the main pipe body 23 is connected to the docking member 24 and can be hermetically inserted and connected to the second docking portion 15 on the second joint 12. Dividing the delivery pipe 11 into two components can facilitate the forming and installation of the delivery pipe 11. Since the extending directions at both ends of the delivery pipe 11 are perpendicular, the delivery pipe 11 needs to have a bent part. In order to avoid stress concentration and wall thinning at the bent part of the delivery pipe 11, the delivery pipe 11 is set as the main pipe body 23 and the docking member 24, and the delivery pipe 11 does not need to be bent at a large angle, thereby improving the overall structural strength of the delivery pipe 11.

[0059] Among them, refer to Figure 3 , one end of the main pipe body 23 forms the fourth docking portion 17, and the other end forms a fifth docking portion 25 extending in the second direction; the docking member 24 is provided with a sixth docking portion 26 extending in the second direction, and the fifth docking portion 25 and the sixth docking portion 26 are hermetically inserted and connected. After the fifth docking portion 25 and the sixth docking portion 26 are inserted and connected, they are also sealed by welding.

[0060] In addition, refer to Figure 3, the docking member 24 includes a docking body 34 and a docking head 35. The docking head 35 forms the above-mentioned docking plug 19, and the docking plug 19 is hermetically connected to the docking body 34 by means of threaded fastening; a sixth docking portion 26 is provided on the docking body 34 to facilitate connection with the main body 23. By providing the docking member 24 in a split manner, the threaded fastener 13 is sleeved onto the docking head 35 from above the docking head 35, and then the docking head 35 is screwed to the docking body 34.

[0061] Referring to Figure 1 , the second joint 12 is located on one side of the second area 5 and is connected to the heat exchanger 8 through a quick connector 27 and a connecting pipe 28. Specifically, a quick connector 27 is connected to one side of the second joint 12 in the second area 5, and a quick connector 27 is also provided on the second partition 29. The connecting ends of the two quick connectors 27 in the second area 5 are connected through the connecting pipe 28. The quick connector 27 in the third area 30 is also connected to the heat exchanger 8 through the connecting pipe 28. The heat exchanger 8 is located in the open third area 30, and the liquid cooling medium received by it can be cooled by air cooling. Through the quick connector 27 and the connecting pipe 28, the radiator 7 and the heat exchanger 8 can be conveniently and quickly connected, and it is also convenient for maintenance.

[0062] The above description of the specification and embodiments is used to explain the protection scope of the present invention, but does not constitute a limitation to the protection scope of the present invention. Through the inspiration of the present invention or the above embodiments, those of ordinary skill in the art, combined with common general knowledge, ordinary technical knowledge in the art, and / or the prior art, can obtain modifications, equivalent replacements, or other improvements to the embodiments of the present invention or some of its technical features through logical analysis, reasoning, or limited experiments, which should all be included in the protection scope of the present invention.

Claims

1. An electrical cabinet with water and electricity separation, characterized in that Comprising: A cabinet body (2) provided with a first area (4) and a second area (5) partitioned by a first partition (3), wherein the first area (4) is in a closed state; And A liquid cooling component (6) including a radiator (7), a heat exchanger (8) and a conveying module (9). The radiator (7) is located in the first area (4) and dissipates heat from electrical components (31) that need to be cooled through the circulation of an internal liquid cooling medium. The heat exchanger (8) is located outside the first area (4) and is used for heat exchange of the liquid cooling medium; The conveying module (9) includes a first joint (10), a conveying pipe (11), a second joint (12) and a threaded fastener (13); the first joint (10) is provided on the radiator (7) and communicates with an internal flow channel (32) of the radiator (7), and is provided with a first docking portion (14) extending in a first direction; the second joint (12) is provided on the first partition (3) and communicates with both sides of the first partition (3), and on one side of the first area (4), it is provided with a second docking portion (15) extending in a second direction; the first direction is perpendicular to the second direction; both ends of the conveying pipe (11) are respectively provided with a third docking portion (16) and a fourth docking portion (17), the third docking portion (16) is adapted to be hermetically inserted and connected with the first docking portion (14) in the first direction, and the fourth docking portion (17) is adapted to be hermetically inserted and connected with the second docking portion (15) in the second direction; the threaded fastener (13) is screwed onto the first docking portion (14) or the third docking portion (16) to adjust the position of the third docking portion (16) relative to the first docking portion (14) through thread fitting.

2. The electrically cabinet with water and electricity separation according to claim 1, characterized in that, One of the first docking portion (14) or the third docking portion (16) is provided with a docking opening (18), and the other is provided with a docking plug (19); the inner diameter of the docking opening (18) gradually decreases starting from the open end, the shape of the docking plug (19) is adapted to the docking opening (18), and a sealing ring (20) is provided around the outer periphery of the docking plug (19).

3. The electrical cabinet with water and electricity separation according to claim 2, characterized in that, For the first docking portion (14) and the third docking portion (16) provided with the docking opening (18), an external thread (21) is provided on its outer periphery; for the first docking portion (14) and the third docking portion (16) provided with the docking plug (19), protruding clamping portions (22) are further arranged circumferentially; the threaded fastener (13) is sleeved on the first docking portion (14) and the third docking portion (16), and is in clamping fit with the clamping portion (22) in the first direction, and in thread fit with the external thread (21), so as to adjust the degree to which the docking plug (19) extends into the docking opening (18) in the first direction by rotating relative to the external thread (21).

4. The electrical cabinet with water and electricity separation according to claim 3, characterized in that, After the docking opening (18) and the docking plug (19) are tightly connected by the threaded fastener (13), the threaded fastener (13) is welded to the first docking portion and / or the third docking portion as a whole.

5. The electrical cabinet with water and electricity separation according to claim 4, characterized in that, The conveying pipe (11) includes a main pipe body (23) and a docking member (24). The main pipe body (23) is hermetically connected to the docking member (24), and the docking member (24) is used to provide the third docking portion (16).

6. The electrical cabinet with water and electricity separation according to claim 5, characterized in that, One end of the main pipe body (23) forms the fourth docking portion (17), and the other end forms a fifth docking portion (25) extending in the second direction; the docking member (24) is provided with a sixth docking portion (26) extending in the second direction, and the fifth docking portion (25) and the sixth docking portion (26) are hermetically inserted and connected.

7. The electrical cabinet with water and electricity separation according to claim 6, characterized in that, Between the second docking portion (15) and the fourth docking portion (17), and between the fifth docking portion (25) and the sixth docking portion (26), they are welded into one body after being inserted.

8. The electrically cabinet with water and electricity separation according to claim 6, characterized in that The second joint (12) is located on one side of the second area (5) and is communicated with the heat exchanger (8) through a quick joint (27) and a connecting pipe (28).

9. The electrical cabinet with water and electricity separation according to claim 1, characterized in that, Two first joints (10) are provided on the radiator (7) to respectively receive and output the liquid cooling medium. The two first joints (10) are arranged in the second direction, and the first partition (3) is located on one side of the radiator (7) in the second direction.

10. A kind of electrical cabinet with water and electricity separation according to any one of claims 1-9, characterized in that, The cabinet (2) is further provided with a third area (30) isolated from the second area (5) by a second partition (29). The second area (5) is in a closed state, and the heat exchanger (8) is located in the third area (30).

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