Dry-type transformer shell with auxiliary heat dissipation function

Abstract

The utility model relates to the technical field of dry-type transformer shells, and discloses a dry-type transformer shell with an auxiliary heat dissipation function, the left and right side surfaces of a first shell and a second shell are fixedly connected with mounting mechanisms, and the top of a long plate is provided with a heat dissipation mechanism; the heat dissipation mechanism comprises a limiting assembly and a clamping assembly, the limiting assembly comprises a refrigeration water tank, the top of the refrigeration water tank is fixedly connected with a water pump, the top of the water pump is fixedly connected with a second pipeline, the top of the second pipeline is fixedly connected with a first shunt pipe, and the side, close to the dry-type transformer, of the first shunt pipe is fixedly connected with a water pipe; the other side of the water pipe is fixedly connected with a second shunt pipe. According to the dry-type transformer shell with the auxiliary heat dissipation function, by arranging the heat dissipation mechanism, a water pump enables cold water in a refrigeration water tank to flow to a first flow dividing pipe through a second pipeline, the cold water is divided and flows into a plurality of water pipes to dissipate heat of a dry-type transformer, and meanwhile the water pipes can enable the water to flow through a second flow dividing pipe and flow back into the refrigeration water tank again.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type transformer shells, in particular to a dry-type transformer shell with an auxiliary heat dissipation function. Background Art

[0002] Dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery and equipment and other places. Simply put, a dry-type transformer refers to a transformer whose core and winding are not immersed in insulating oil. The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. Dry-type transformers are a commonly used type of transformer.

[0003] For example, a dry-type transformer casing with announcement number CN106024278B includes a shell and a base plate, wherein the shell includes two or more separate parts that can be detachably connected together, the base plate is supported under each of the separate parts, the base plate is provided with a reinforcing component to prevent deformation, and the base plate and the shell can be detachably connected together.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the technical solution mainly involves the installation and disassembly of the casing and the dry-type transformer. When the dry-type transformer is in operation, the core heating part is the coil, and the current dry-type transformer only uses the natural heat dissipation of the heat dissipation port to dissipate heat, which makes the heat dissipation effect of the dry-type transformer poor. At this time, the casing is also required to be able to perform heat dissipation operations on the dry-type transformer. Utility Model Content

[0006] The purpose of the utility model is to provide a dry-type transformer housing with auxiliary heat dissipation function to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dry-type transformer housing with auxiliary heat dissipation function, comprising a first housing, a second housing and a dry-type transformer, the top and bottom of the dry-type transformer are fixedly connected to a base, the front and rear sides of the base below are fixedly connected to long plates, the upper and lower surfaces of the dry-type transformer are fixedly connected to connecting rings, the left and right surfaces of the first and second housings are fixedly connected to mounting mechanisms, and the top of the long plate is provided with a heat dissipation mechanism;

[0008] The heat dissipation mechanism comprises a limiting component and a clamping component, and the clamping component is arranged on the limiting component.

[0009] Preferably, the limiting assembly includes a refrigeration water tank, which is arranged on the top of the long board, a water pump is fixedly connected to the top of the refrigeration water tank, a second pipe is fixedly connected to the top of the water pump, a first shunt pipe is fixedly connected to the top of the second pipe, a water pipe is fixedly connected to the first shunt pipe on the side close to the dry-type transformer, a second shunt pipe is fixedly connected to the other side of the water pipe, a first pipe is fixedly connected to the bottom of the second shunt pipe, the other side of the first pipe is fixedly connected to the side of the refrigeration water tank away from the dry-type transformer, a first placement groove is provided inside the first shell and the second shell, The surface of the water pipe is plugged into the inside of the first placement groove, and a hinged plate is hinged on the inner wall of the first placement groove close to the dry-type transformer. A second placement groove is provided inside the hinged plate away from the dry-type transformer. The water pipe is inserted into the second placement groove, and telescopic long blocks are fixedly connected to the upper ends of the left and right sides of the hinged plate. A fixed block is fixedly connected to the inner wall of the first placement groove close to the dry-type transformer, and a long groove is provided inside the fixed block. The long groove is set to an opening on the side close to the telescopic long block, and the surface of the telescopic long block is plugged into the long groove and fixedly connected to the fixed block by bolts.

[0010] Preferably, the number of the hinged plates is two, the number of the fixed blocks is four and two of them form a group, the fixed blocks are arranged on the left and right sides of the hinged plate, and when the telescopic long block is inserted into the long slot, the position of the hinged plate can be limited and fixed.

[0011] Preferably, through holes are provided inside the first shell and the second shell, and the water pipe is inserted through the through holes provided inside the first shell and the second shell.

[0012] Preferably, the clamping assembly includes a second T-slot, which is opened on the front and rear sides of the top of the long board, the number of the second T-slots is eight and they are grouped in pairs, the left and right sides of the top of the long board are fixedly connected to a limiting plate, the limiting plate is fixedly connected to a second electric push rod on the side close to the refrigeration water tank, the other side of the second electric push rod is fixedly connected to a clamping plate, the clamping plate is arranged on the surface of the refrigeration water tank, the front and rear ends of the clamping plate away from the refrigeration water tank are fixedly connected to T-blocks, the surface of the T-block is slidably connected to the inside of the second T-slot.

[0013] Preferably, the mounting mechanism includes a first T-slot, the first T-slot is opened at the left and right ends of the inner sides of the upper and lower connecting rings, the top and bottom of the first shell and the second shell are fixedly connected with T-shaped plates, the surface of the T-shaped plate is slidably connected to the inside of the first T-slot, the left and right sides of the first shell are fixedly connected with connecting plates, the left and right sides of the second shell are fixedly connected with connecting seats, a rectangular groove is opened inside the connecting seat close to the connecting plate, the front side, top and bottom of the rectangular groove are all set to be openings, the back of the connecting plate is fixedly connected with an insert plate, the surface of the insert plate is plugged into the inside of the rectangular groove, and the back of the connecting seat is close to the second outer One end of the shell is fixedly connected to a limiting seat, and the limiting seat is fixedly connected to a first electric push rod on a side away from the second shell, and a pushing plate is fixedly connected to a plug block on the front of the first electric push rod, and a square groove is provided inside the plug plate, and the square groove is set as an opening on a side away from the first shell, and the plug block surface is plugged into the inside of the square groove, and the plug block is moved out of the square groove. At this time, the first shell can be directly pulled, so that the first shell drives the connecting plate to move, and the connecting plate drives the plug plate to move out of the rectangular groove. At the same time, the T-plate can also slide in the first T-slot, and the first shell and the second shell can be disassembled and replaced.

[0014] Preferably, a through groove is provided inside the connecting seat, and the surface of the insert block passes through the through groove provided inside the connecting seat.

[0015] Compared with the prior art, the utility model provides a dry-type transformer housing with auxiliary heat dissipation function, which has the following beneficial effects:

[0016] 1. The dry-type transformer housing with auxiliary heat dissipation function is provided with a heat dissipation mechanism. When the heat dissipation mechanism is in operation, the hinged plate is moved so that the hinged plate rotates on one side of the first placement groove. At this time, the water pipe can be inserted and arranged in the second placement groove. After the telescopic long block is stretched and inserted in the long groove again, the telescopic long block and the fixed block are threadedly fixed by bolts. When the water pump is started, the water pump circulates the cold water in the refrigeration water tank through the second pipeline to the first shunt pipe for shunting and flowing into multiple water pipes to dissipate the heat of the dry-type transformer. At the same time, the water pipe can also merge the water through the second shunt pipe and return it to the refrigeration water tank again.

[0017] 2. The dry-type transformer housing with auxiliary heat dissipation function is provided with an installation mechanism. When the installation mechanism is in operation, the first electric push rod drives the push plate to move, and the push plate can also drive the plug block to move out of the square groove. At this time, the first housing can be directly pulled to make the first housing drive the connecting plate to move, and the connecting plate drives the plug plate to move out of the rectangular groove. At the same time, the T-shaped plate can also slide in the first T-shaped groove. At this time, the first housing and the second housing can be disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the limit assembly;

[0021] Figure 3 It is a partial structural schematic diagram of the limit assembly;

[0022] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;

[0023] Figure 5 is a schematic diagram of the structure of the clamping assembly;

[0024] Figure 6 is a structural schematic diagram of the installation mechanism;

[0025] Figure 7 for Figure 6 The enlarged structural diagram at B in the middle;

[0026] Figure 8 This is a schematic diagram of the partial structural breakdown of the installation mechanism.

[0027] In the figure: 1, long board; 2, base; 3, first shell; 4, mounting mechanism; 41, first T-slot; 42, T-plate; 43, connecting seat; 44, pushing plate; 45, plug block; 46, plug plate; 47, connecting plate; 48, rectangular slot; 49, limit seat; 401, first electric push rod; 402, square slot; 5, second shell; 6, dry-type transformer; 7, heat dissipation mechanism; 71, limit assembly; 711, refrigeration water tank; 712, first pipeline; 713, water Pump; 714, second pipeline; 715, first shunt pipe; 716, second shunt pipe; 717, first placement slot; 718, water pipe; 719, hinged plate; 7101, second placement slot; 7102, fixing block; 7103, bolt; 7104, telescopic long block; 7105, long slot; 72, clamping assembly; 721, T-block; 722, limit plate; 723, second T-slot; 724, second electric push rod; 725, clamping plate; 8, connecting ring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The utility model provides the following technical solutions: Embodiment 1

[0031] Combination Figures 1 to 5 A dry-type transformer housing with auxiliary heat dissipation function comprises a first housing 3, a second housing 5 and a dry-type transformer 6, the top and bottom of the dry-type transformer 6 are fixedly connected to a base 2, the front and rear sides of the lower base 2 are fixedly connected to a long board 1, the upper and lower surfaces of the dry-type transformer 6 are fixedly connected to a connecting ring 8, the left and right surfaces of the first housing 3 and the second housing 5 are fixedly connected to a mounting mechanism 4, and a heat dissipation mechanism 7 is arranged on the top of the long board 1;

[0032] The heat dissipation mechanism 7 includes a limiting component 71 and a clamping component 72, the clamping component 72 is arranged on the limiting component 71, the limiting component 71 includes a cooling water tank 711, the cooling water tank 711 is arranged on the top of the long board 1, the top of the cooling water tank 711 is fixedly connected to a water pump 713, the top of the water pump 713 is fixedly connected to a second pipe 714, the top of the second pipe 714 is fixedly connected to a first shunt pipe 715, the first shunt pipe 715 is fixedly connected to a water pipe 718 on one side close to the dry-type transformer 6, the other side of the water pipe 718 is fixedly connected to a second shunt pipe 716, the bottom of the second shunt pipe 716 is fixedly connected to the first pipe 712, the first The other side of the pipeline 712 is fixedly connected to the side of the refrigeration water tank 711 away from the dry-type transformer 6. The first housing 3 and the second housing 5 are both provided with a first placement groove 717. The surface of the water pipe 718 is plugged into the first placement groove 717. The inner wall of the first placement groove 717 is hinged with a hinge plate 719 on the side close to the dry-type transformer 6. The hinge plate 719 is provided with a second placement groove 7101 on the side away from the dry-type transformer 6. The water pipe 718 is inserted into the second placement groove 7101. The upper ends of the left and right sides of the hinge plate 719 are fixedly connected with telescopic long blocks 7104. The inner wall of the first placement groove 717 is close to the dry transformer 6. The side is fixedly connected with a fixing block 7102, a long slot 7105 is opened inside the fixing block 7102, and the long slot 7105 is set to an opening near the side of the telescopic long block 7104. The surface of the telescopic long block 7104 is inserted into the long slot 7105 and fixedly connected with the fixing block 7102 by bolts 7103. There are two hinged plates 719, and the number of fixing blocks 7102 is four and two are in a group. The fixing blocks 7102 are arranged on the left and right sides of the hinged plate 719. Through holes are opened inside the first shell 3 and the second shell 5. The water pipe 718 is inserted through the through holes opened inside the first shell 3 and the second shell 5. The clamping group Component 72 includes a second T-slot 723, which is opened on the front and rear sides of the top of the long board 1. The number of second T-slots 723 is eight and they form a group of two. The left and right sides of the top of the long board 1 are fixedly connected to the limiting plates 722. The limiting plates 722 are fixedly connected to the second electric push rod 724 on the side close to the refrigeration water tank 711, and the other side of the second electric push rod 724 is fixedly connected to the clamping plate 725. The clamping plate 725 is arranged on the surface of the refrigeration water tank 711. The front and rear ends of the clamping plate 725 away from the refrigeration water tank 711 are fixedly connected to the T-block 721. The surface of the T-block 721 is slidably connected to the inside of the second T-slot 723.

[0033] Furthermore, the hinged plate 719 is moved so that the hinged plate 719 rotates on one side of the first placement groove 717. At this time, the water pipe 718 can be inserted into the second placement groove 7101. After the telescopic long block 7104 is stretched and inserted into the long groove 7105 again, the telescopic long block 7104 and the fixed block 7102 are threadedly fixed by bolts 7103. When the water pump 713 is started, the water pump 713 circulates the cold water in the refrigeration water tank 711 through the second pipe 714 to the first diversion pipe 715 for diversion and circulation to multiple water pipes 718 for heat dissipation of the dry-type transformer 6. At the same time, the water pipe 718 can also merge the water through the second diversion pipe 716 and return it to the refrigeration water tank 711 again. Embodiment 2

[0034] See also Figure 1-8 , and on the basis of the first embodiment, the mounting mechanism 4 further comprises a first T-slot 41, the first T-slot 41 is opened at the left and right ends of the inner sides of the upper and lower connecting rings 8, the top and bottom of the first shell 3 and the second shell 5 are fixedly connected with a T-plate 42, the surface of the T-plate 42 is slidably connected to the inside of the first T-slot 41, the left and right sides of the first shell 3 are fixedly connected with a connecting plate 47, the left and right sides of the second shell 5 are fixedly connected with a connecting seat 43, a rectangular groove 48 is opened inside the connecting seat 43 near the connecting plate 47, the front, top and bottom of the rectangular groove 48 are all set to be openings, and the back of the connecting plate 47 is fixedly connected with a plug plate 4 6. The surface of the plug plate 46 is plugged into the inside of the rectangular groove 48. The back side of the connecting seat 43 is fixedly connected to the limiting seat 49 near the second shell 5. The limiting seat 49 is fixedly connected to the first electric push rod 401 on the side away from the second shell 5. The front side of the first electric push rod 401 is fixedly connected to the pushing plate 44. The pushing plate 44 is fixedly connected to the plug block 45 on the side close to the connecting seat 43. A square groove 402 is opened inside the plug plate 46. The side of the square groove 402 away from the first shell 3 is set as an opening. The surface of the plug block 45 is plugged into the inside of the square groove 402. A through groove is opened inside the connecting seat 43. The surface of the plug block 45 penetrates the through groove opened inside the connecting seat 43.

[0035] Furthermore, the first electric push rod 401 drives the push plate 44 to move, and the push plate 44 can also drive the plug block 45 to move out of the square groove 402. At this time, the first shell 3 can be directly pulled, so that the first shell 3 drives the connecting plate 47 to move, and the connecting plate 47 drives the plug plate 46 to move out of the rectangular groove 48. At the same time, the T-plate 42 can also slide in the first T-slot 41. At this time, the first shell 3 and the second shell 5 can be disassembled and replaced.

[0036] In actual operation, when the device is used, when the dry-type transformer 6 needs to be cooled, the water pipe 718 is first distributed in the first placement slot 717. At this time, the hinge plate 719 can be moved to rotate the hinge plate 719 on one side of the first placement slot 717. At this time, the water pipe 718 can be inserted and arranged in the second placement slot 7101. After the telescopic long block 7104 is stretched and inserted in the long slot 7105 again, the telescopic long block 7104 and the fixed block 7102 are threadedly fixed by bolts 7103. When the water pump 713 is started, the water pump 713 flows the cold water in the refrigeration water tank 711 through the second pipe 714 to the first shunt pipe 715 for shunting and flowing to multiple water pipes 718 to cool the dry-type transformer 6. At the same time, the water pipe 718 can also merge the water through the second shunt pipe 716 and return it to the refrigeration water tank 711 again;

[0037] When the second electric push rod 724 is started, the second electric push rod 724 can drive the clamping plate 725 to move and clamp the refrigeration water tank 711, and the clamping plate 725 can also drive the T-block 721 to slide in the second T-slot 723, so that the refrigeration water tank 711 can be fixed in position;

[0038] When the first shell 3 and the second shell 5 need to be disassembled, the first electric push rod 401 can be started, and the first electric push rod 401 can drive the push plate 44 to move, and the push plate 44 can also drive the plug block 45 to move out of the square groove 402. At this time, the first shell 3 can be directly pulled, so that the first shell 3 drives the connecting plate 47 to move, and the connecting plate 47 drives the plug plate 46 to move out of the rectangular groove 48. At the same time, the T-plate 42 can also slide in the first T-slot 41. At this time, the first shell 3 and the second shell 5 can be disassembled and replaced.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A dry-type transformer housing with auxiliary heat dissipation function, comprising a first housing (3), a second housing (5) and a dry-type transformer (6), characterized in that: The top and bottom of the dry-type transformer (6) are fixedly connected to a base (2), the front and rear sides of the base (2) below are fixedly connected to a long plate (1), the upper and lower surfaces of the dry-type transformer (6) are fixedly connected to connecting rings (8), the left and right surfaces of the first shell (3) and the second shell (5) are fixedly connected to mounting mechanisms (4), and the top of the long plate (1) is provided with a heat dissipation mechanism (7); The heat dissipation mechanism (7) comprises a limiting component (71) and a clamping component (72), wherein the clamping component (72) is arranged on the limiting component (71).

2. The dry-type transformer housing with auxiliary heat dissipation function according to claim 1 is characterized in that: The limiting assembly (71) comprises a cooling water tank (711), the cooling water tank (711) being arranged on the top of the long board (1), the top of the cooling water tank (711) being fixedly connected to a water pump (713), the top of the water pump (713) being fixedly connected to a second pipe (714), the top of the second pipe (714) being fixedly connected to a first shunt pipe (715), the first shunt pipe (715) being fixedly connected to a water pipe (718) on a side close to the dry-type transformer (6), the other side of the water pipe (718) being fixedly connected to a second shunt pipe (716), the bottom of the second shunt pipe (716) being fixedly connected to a first pipe (712), the other side of the first pipe (712) being fixedly connected to a side of the cooling water tank (711) away from the dry-type transformer (6), the first housing (3) and the second housing (5) being provided with a first placement groove (717), the surface of the water pipe (718) and the The first placement groove (717) is inserted inside, and a hinged plate (719) is hinged on the inner wall of the first placement groove (717) near the dry-type transformer (6). A second placement groove (7101) is provided inside the hinged plate (719) on the side away from the dry-type transformer (6). The water pipe (718) passes through and is inserted inside the second placement groove (7101). The upper ends of the left and right sides of the hinged plate (719) are fixedly connected to telescopic long blocks (7104). The inner wall of the first placement groove (717) near the dry-type transformer (6) is fixedly connected to a fixed block (7102). A long groove (7105) is provided inside the fixed block (7102). The long groove (7105) is set to be open on the side near the telescopic long block (7104). The surface of the telescopic long block (7104) is inserted into the long groove (7105) and is fixedly connected to the fixed block (7102) through bolts (7103).

3. The dry-type transformer housing with auxiliary heat dissipation function according to claim 2 is characterized in that: The number of the hinged plates (719) is two, the number of the fixed blocks (7102) is four and two of them form a group, and the fixed blocks (7102) are arranged on the left and right sides of the hinged plate (719).

4. The dry-type transformer housing with auxiliary heat dissipation function according to claim 2 is characterized in that: Through holes are provided inside the first shell (3) and the second shell (5), and the water pipe (718) is inserted through the through holes provided inside the first shell (3) and the second shell (5).

5. The dry-type transformer housing with auxiliary heat dissipation function according to claim 1, characterized in that: The clamping assembly (72) comprises a second T-slot (723), wherein the second T-slot (723) is provided at both front and rear sides of the top of the long plate (1), the number of the second T-slots (723) is eight and two of them form a group, the left and right sides of the top of the long plate (1) are both fixedly connected to a limiting plate (722), the side of the limiting plate (722) close to the refrigeration water tank (711) is fixedly connected to a second electric push rod (724), the other side of the second electric push rod (724) is fixedly connected to a clamping plate (725), the clamping plate (725) is arranged on the surface of the refrigeration water tank (711), the front and rear ends of the side of the clamping plate (725) away from the refrigeration water tank (711) are both fixedly connected to a T-block (721), the surface of the T-block (721) and the inside of the second T-slot (723) are slidably connected.

6. The dry-type transformer housing with auxiliary heat dissipation function according to claim 1, characterized in that: The mounting mechanism (4) comprises a first T-shaped slot (41), the first T-shaped slot (41) being provided at both left and right ends of the inner sides of the upper and lower connecting rings (8), the top and bottom of the first housing (3) and the second housing (5) being fixedly connected with a T-shaped plate (42), the surface of the T-shaped plate (42) being slidably connected to the inside of the first T-shaped slot (41), the left and right sides of the first housing (3) being fixedly connected with a connecting plate (47), the left and right sides of the second housing (5) being fixedly connected with a connecting seat (43), the connecting seat (43) being provided with a rectangular slot (48) on a side close to the connecting plate (47), the front side, the top side and the bottom side of the rectangular slot (48) being arranged as openings, the back side of the connecting plate (47) being provided with a connecting plate (47) and a connecting plate (47) being provided with a connecting seat (43) being provided with a connecting seat (43) being provided with a connecting plate (47) and a connecting plate (47) being provided with a connecting seat (43) being provided with a connecting seat (43) being provided with a connecting plate (47) and a connecting plate (47) being provided with a connecting seat (43) being provided with a connecting seat (43) being provided with a connecting plate (47) and a connecting plate (47) being provided with a connecting seat (43) being provided with a connecting seat (48) and a connecting plate (47) being provided with a connecting seat (43 ... A plug plate (46) is fixedly connected to the surface, and the surface of the plug plate (46) is plugged into the inside of the rectangular groove (48); the back of the connecting seat (43) is fixedly connected to a limiting seat (49) at one end close to the second shell (5); the limiting seat (49) is fixedly connected to a first electric push rod (401) at a side away from the second shell (5); the front of the first electric push rod (401) is fixedly connected to a push plate (44); the push plate (44) is fixedly connected to an insert block (45) at a side close to the connecting seat (43); a square groove (402) is provided inside the plug plate (46); the side of the square groove (402) away from the first shell (3) is set as an opening; the surface of the insert block (45) is plugged into the inside of the square groove (402).

7. The dry-type transformer housing with auxiliary heat dissipation function according to claim 6, characterized in that: A through groove is provided inside the connection seat (43), and the surface of the insert block (45) penetrates the through groove provided inside the connection seat (43).

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