High-voltage circuit safety insulation cabinet

Abstract

The invention relates to the technical field of insulation cabinets, in particular to a high-voltage circuit safety insulation cabinet, which comprises a cabinet body, bunching frames, electronic elements, a driving assembly, a protection layer and a protection assembly, a door body is arranged on the cabinet body, the bunching frames are transversely distributed in the cabinet body, the electronic elements are arranged above the bunching frames, and the driving assembly is arranged above the protection layer. A wire penetrating hole is formed in the wire bunching frame, the driving assembly is installed on the portion, close to the door body, of the inner wall of the cabinet body, the protection layer is installed above the wire bunching frame, the protection assembly is installed at the protection layer, and the bunching range of the end of an electronic element wiring port is controlled by automatically sensing temperature changes. And meanwhile, when the heat is high, carbon dioxide gas can be automatically discharged for cooling and isolating a circuit, so that the protection and safety of the insulation cabinet to the circuit are improved.

Description

Technical Field

[0001] The invention relates to the technical field of insulating cabinets, in particular to a high-voltage circuit safety insulating cabinet. Background Art

[0002] High-voltage circuit safety insulation cabinet refers to a device used to isolate electrical components and circuits in various high-voltage electrical equipment. It is usually composed of conductors, insulating materials and casings, and can protect the safety and stability of electrical equipment and prevent electrical faults. In the power system, insulation cabinets are often used next to high-voltage switchgear to protect and control high-voltage electrical equipment.

[0003] When high-voltage electronic components are used in large equipment, the output voltage required by the electronic components is relatively large, which in turn causes a large load on the wiring joints of the electronic components. At this time, the high-voltage current will cause the temperature inside the electronic components and the insulating cabinet to rise, further causing damage to the wiring joints of the electronic components. In addition, after the temperature at the contact point of the electronic components rises, the excessively high temperature will cause certain damage to the wrapping of the wires, causing the wires to rupture, which will cause leakage problems, thereby affecting the safety of the use of the insulating cabinet.

[0004] In order to solve the above problems, a variety of solutions have been proposed in the prior art, such as setting up a cabinet made of non-conductive material or regularly inspecting the integrity of the wires and interfaces. At the same time, the wiring ports are wrapped with insulating rubber or the like. However, the heat emitted by the electronic components themselves during operation is relatively high, and the heat is difficult to dissipate during wrapping, which causes heat accumulation at the wiring ports of the electronic components, causing damage to the wrapping layer, and further causing wire rupture and leakage problems.

[0005] Based on this, in order to solve the problem that the connection ends of high-voltage electronic components are damaged due to heat accumulation when in use, and the falling wires will cause leakage in the insulation cabinet, the present invention designs a high-voltage circuit safety insulation cabinet. Summary of the invention

[0006] A high-voltage circuit safety insulating cabinet provided by the present invention solves the problem that the wiring ends of high-voltage electronic components are damaged due to heat accumulation when in use, and the falling of wires will cause leakage of the insulating cabinet. It controls the convergence range of the ends of the wiring ports of the electronic components by automatically sensing temperature changes, and can automatically discharge carbon dioxide gas for cooling and isolating the circuit when the heat is high, thereby improving the protection and safety of the circuit by the insulating cabinet.

[0007] In order to achieve the above object, the present invention provides the following technical solutions:

[0008] The present invention provides a high-voltage circuit safety insulation cabinet, comprising a cabinet body, a wire harness, an electronic component, a drive component, a protective layer and a protective component. The cabinet body is provided with a door body, the wire harness is laterally distributed inside the cabinet body, the electronic component is installed above the wire harness, the wire harness is provided with a threading hole, the drive component is installed on the inner wall of the cabinet close to the door body, the protective layer is installed above the wire harness, and the protective component is installed at the protective layer. When the temperature rises, the gas in the drive component expands due to heat, driving the protective layer to move laterally to form a partition, and the laterally moving protective layer wraps the transmission line end of the electronic component through the protective component; the insulation cabinet is layered in the upper and lower parts by driving the gas to expand due to the increase in temperature, and then when the temperature at the top rises or even a fire occurs, carbon dioxide gas can be filled between the upper and lower layers to achieve effective cooling and isolate the fire, thereby forming a separate space, and at the same time, the current leakage can be confined to the space, and a gas-isolated power supply is formed in other areas, thereby protecting the safety of the circuit.

[0009] Preferably, two protective layers are provided, namely a left plate and a right plate, and the protective layers are arranged on the rear side of the inner wall of the cabinet; the protective layer pre-wraps the wiring points of the electronic components in the middle and right sides synchronously through the driving assembly, thereby preventing heat from causing damage to the wiring points of the electronic components, thereby improving the insulation protection of the cabinet and the safety of the wiring points.

[0010] Preferably, the drive assembly includes a piston sleeve, a rubber layer, a piston rod, an air storage chamber, an overflow chamber, an air outlet, and a dislocation plate. The piston sleeve is installed on the side wall of the cabinet, the rubber layer is installed on the piston sleeve, the piston rod is installed on the front end of the piston sleeve, the air storage chamber is installed on the inner side of the cabinet, the overflow chamber is opened inside the cable tie rack, the air outlet array is opened above the cable tie rack and corresponds to the position of the air storage chamber, the dislocation plate is installed below the air storage chamber, and the dislocation plate is provided with a dislocation hole. On the one hand, carbon dioxide absorbs heat and can cool down quickly, thereby avoiding damage to the wiring of electronic components caused by excessive temperature. On the other hand, carbon dioxide can isolate the power supply, thereby forming a single layer of power supply partition in the cabinet, thereby avoiding leakage of a certain layer of circuit and affecting the normal operation below.

[0011] Preferably, the protective assembly includes a left connecting rod, a right connecting rod, a clamping block, a limiting groove, a fixing half ring and a snap ring, the left connecting rod is installed on the left plate, the right connecting rod is installed on the right plate, the clamping block is located at the bottom of the electronic component, the limiting groove is provided on the clamping block, the left connecting rod and the right connecting rod are respectively located in the limiting groove and slide, the fixing half ring is installed on the inner side of the clamping block, and the snap ring is installed on the left connecting rod and the right connecting rod and embedded in the limiting groove; when the clamping block moves upward, the fixing half ring will be driven to move upward synchronously, thereby wrapping the wiring terminal.

[0012] Preferably, the protective layer is divided into a raised portion and a smooth portion, and the upper surface of the raised portion is an asymptotic surface; the asymptotic surface allows it to move upward smoothly, thereby allowing the clamping block to move upward smoothly, and at the same time allowing the fixed half ring to gradually clamp the terminal to avoid mutual interference.

[0013] Preferably, a through hole is opened on the surface of the smooth portion, and a flow port is opened on the wire harness frame directly below the protective layer. Initially, the through hole corresponds to the flow port; when the temperature of the upper layer rises due to external factors or its own factors, the protective layer will be driven to move laterally, thereby causing the through hole on the smooth portion to be misaligned with the flow port, thereby forming gas isolation.

[0014] Preferably, the clamp block is initially inclined, and the angle between the clamp block and the fixed half ring gradually decreases when the clamp block rises; when the clamp block rises, it is affected by gravity, and the bottom gradually gathers toward the middle, thereby gradually wrapping the line, so that the wire is longitudinally contracted upward by the fixed half ring, and the lower end is also wrapped by the folding of the clamp block.

[0015] Preferably, the fixing half ring is in the shape of a truncated cone, the minimum diameter of the top of the fixing half ring is larger than the diameter of the wiring harness, and the top of the fixing half ring is provided with an inclined surface for inserting electronic components.

[0016] Preferably, a notch is provided at the bottom of the fixed half ring corresponding to the cable tie rack, and the notch is connected to the overflow chamber; the frustum can gather the carbon dioxide gas at the bottom, so that part of the carbon dioxide in the overflow chamber can enter the fixed half ring along the notch.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The present invention proposes a high-voltage circuit safety insulation cabinet, in which the driving mechanism can form layered protection when the internal temperature rises. The temperature rise drives the gas to expand, so that the insulation cabinet is layered. When the temperature at the top rises or even a fire occurs, carbon dioxide gas can be filled between the upper and lower layers to achieve effective cooling and isolate the fire, thereby forming a separate space. At the same time, the current leakage can be confined to the space, and gas is formed to isolate the power supply to other areas, thereby protecting the safety of the circuit; at the same time, the protective component is used to change the wrapping area at the power wiring port, so that the power wiring port can be effectively protected when the internal temperature rises, thereby protecting the safety of the electronic components.

[0019] 2. The present invention proposes a high-voltage circuit safety insulation cabinet. When the heat in the cabinet rises, the rubber layer will transfer the heat to the inside of the piston sleeve through its own material. The other areas of the piston sleeve are all heat-insulating materials. When the internal gas temperature gradually rises, the piston rod will be gradually pushed to move away from the piston sleeve, thereby driving the piston rod to drive the protective layer. When the protective layer moves, the bottom of the air storage chamber is affected by the movement of the dislocation plate, and the dislocation holes on the dislocation plate gradually correspond to the air outlet, so that the compressed carbon dioxide in the air storage chamber is gradually released, and then flows into the overflow chamber through the dislocation holes on the dislocation plate and the air outlet, thereby forming carbon dioxide isolation. On the one hand, carbon dioxide absorbs heat and can cool down quickly, thereby avoiding damage to the wiring of electronic components caused by excessive temperature. On the other hand, carbon dioxide can isolate the power supply, thereby forming a single-layer power supply partition in the cabinet, thereby avoiding leakage of a certain layer of circuits affecting the normal operation below.

[0020] 3. The present invention proposes a high-voltage circuit safety insulation cabinet, in which the heat in the cabinet drives the driving component to work, and the piston rod in the driving component drives the left plate and the right plate to move respectively. When the left plate moves, it will drive the left connecting rod to move gradually upward, thereby driving the clamping block on the left side of each electronic component to move upward. At the same time, in the process of the left connecting rod moving upward, the right connecting rod will move downward relatively along the limiting groove in the clamping block. At this time, the right connecting rod is actually not moving, but the clamping block moves upward, and then the right connecting rod moves downward relative to the clamping block. When the clamping block moves upward, it will drive the fixed semi-ring to move upward synchronously, thereby forming a wrap around the wiring terminal. The internal clamping ring is used to achieve limiting, so as to prevent the clamping block from separating from the left connecting rod or the right connecting rod, and then no matter when the temperature on the left or right side rises, the clamping block can be quickly started to move upward, thereby driving the fixed semi-ring to move upward, wrapping the wiring terminal of the electronic component, thereby improving the insulation of the end of the electronic component. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation mode of the present invention or the technical solution in the prior art, the drawings required for use in the specific implementation mode or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are one implementation mode of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the protective layer of the present invention;

[0024] Figure 3 is a schematic diagram of the drive assembly of the present invention;

[0025] Figure 4 yes Figure 3 The enlarged view of point A in the middle;

[0026] Figure 5 is a schematic diagram of the protection assembly of the present invention;

[0027] Figure 6 It is a schematic diagram of the flow port of the present invention;

[0028] Figure 7 It is a half-section schematic diagram of the present invention;

[0029] Figure 8 yes Figure 7 Enlarged view of point B in the middle.

[0030] In the figure: 1. cabinet body; 11. door body; 2. cable tie rack; 21. threading hole; 22. circulation port; 23. notch; 3. electronic component; 4. drive assembly; 41. piston sleeve; 42. rubber layer; 43. piston rod; 44. air storage chamber; 45. overflow chamber; 46. air outlet; 47. offset plate; 5. protective layer; 501. lifting part; 502. smooth part; 51. left plate; 52. right plate; 53. through hole; 6. protective assembly; 61. left connecting rod; 62. right connecting rod; 63. clamping block; 64. limiting groove; 65. fixing half ring; 651. inclined surface. DETAILED DESCRIPTION

[0031] In order to better understand the above solution, the above technical solution is described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0032] like Figure 1-2 As shown, a high-voltage circuit safety insulation cabinet provided by the present invention includes a cabinet body 1, a wire harness rack 2, an electronic component 3, a drive component 4, a protective layer 5 and a protective component 6. The cabinet body 1 is provided with a door body 11, the wire harness rack 2 is horizontally distributed inside the cabinet body 1, the electronic component 3 is installed above the wire harness rack 2, and the wire harness rack 2 is provided with a threading hole 21. The drive component 4 is installed on the inner wall of the cabinet body 1 close to the door body 11, the protective layer 5 is installed above the wire harness rack 2, and the protective component 6 is installed at the protective layer 5. When the temperature rises, the gas in the drive component 4 expands due to the heat and drives the protective layer 5 to move horizontally to form a partition, and the horizontally moving protective layer 5 wraps the transmission line end of the electronic component 3 through the protective component 6.

[0033] Rollers can be installed at the bottom of the cabinet 1 to move the insulating cabinet to various positions. After the movement is completed, the rollers can either be removed or fixed to prevent movement. It is a support for placing the wiring harness, which can arrange the wires in a certain order. At the same time, the wiring rack 2 can provide certain protection for the electronic components 3 to prevent the upper electronic components 3 from falling to the bottom when the mounting part is loose. The wiring port of the electronic component 3 is directly opposite to the wire threading hole 21 on the wiring rack 2. During normal use, the cable can be connected to the electronic component 3 through the wire threading hole 21 on the wiring rack 2. At the same time, the cables are constrained by the wiring rack 2 to be arranged in rows, thereby realizing the constraint of the wires and avoiding the current of each circuit caused by the clutter of the wires. Interference with each other; the driving mechanism can form layered protection when the internal temperature rises, and the temperature rise drives the gas to expand, so that the upper and lower layers of the insulating cabinet are formed into layers, and then when the temperature above rises or even a fire occurs, the upper and lower layers can be filled with carbon dioxide gas to achieve effective cooling and isolate the fire, thereby forming a separate space, and at the same time, the current leakage can be limited to the space, and gas is formed to isolate the power supply to other areas, thereby protecting the safety of the circuit; at the same time, the protection component 6 changes the wrapping area at the power wiring port, and then when the internal temperature rises, the power wiring port can be effectively protected, thereby protecting the safety of the electronic component 3.

[0034] like Figure 2-3 As shown, the protective layer 5 is provided with two, namely a left plate 51 and a right plate 52 , and the protective layer 5 is arranged on the rear side of the inner wall of the cabinet 1 .

[0035] The protective layer 5 is arranged on the left and right sides. In the same layer, when the left electronic component 3 generates heat or is heated more, the driving component 4 will drive the left plate 51 to move, so that the protective component can protect the electronic component 3 on the left. At the same time, the protective layer 5 also pre-wraps the wiring parts of the electronic components 3 in the middle and right sides through the driving component 4, so as to avoid heat from damaging the wiring parts of the electronic components 3, thereby improving the insulation protection of the cabinet 1 and the safety of the wiring parts.

[0036] like Figure 3-4 As shown, the drive assembly 4 includes a piston sleeve 41, a rubber layer 42, a piston rod 43, an air storage chamber 44, an overflow chamber 45, an air outlet 46, and a dislocation plate 47. The piston sleeve 41 is installed on the side wall of the cabinet 1, the rubber layer 42 is installed on the piston sleeve 41, the piston rod 43 is installed on the front end of the piston sleeve 41, the air storage chamber 44 is installed on the inner side of the cabinet 1, the overflow chamber 45 is opened inside the cable tie rack 2, the air outlet 46 array is opened above the cable tie rack 2 corresponding to the position of the air storage chamber 44, the dislocation plate 47 is installed below the air storage chamber 44, and the dislocation plate 47 is provided with a dislocation hole.

[0037] When the heat in the cabinet 1 rises, the rubber layer 42 will transfer the heat to the inside of the piston sleeve 41 through its own material. The other areas of the piston sleeve 41 are all made of heat-insulating materials. When the internal gas temperature gradually rises, the piston rod 43 will be gradually pushed to move away from the piston sleeve 41, thereby driving the piston rod 43 to drive the protective layer 5. When the protective layer 5 moves, the bottom of the gas storage chamber 44 is affected by the movement of the offset plate 47. The offset holes on the offset plate 47 gradually correspond to the gas outlet 46, thereby gradually releasing the compressed carbon dioxide in the gas storage chamber 44, and then passing through the offset plate 47 to release the compressed carbon dioxide. The offset holes on the plate 47 and the air outlet 46 flow into the overflow chamber 45, thereby forming carbon dioxide isolation. On the one hand, carbon dioxide absorbs heat and can quickly cool down, thereby preventing damage to the wiring of the electronic component 3 caused by excessive temperature. On the other hand, carbon dioxide can isolate the power supply, thereby forming a single layer of power supply isolation in the cabinet 1, thereby preventing leakage of a certain layer of circuits from affecting the normal operation below (when the wires are disconnected, the wires will sag downward, and the current will propagate downward, so the current of the wiring harness 2 is blocked at this time, thereby improving the safety of the circuit).

[0038] like Figure 5 As shown, the protective assembly 6 includes a left connecting rod 61, a right connecting rod 62, a clamping block 63, a limiting groove 64, a fixing half ring 65, and a snap ring. The left connecting rod 61 is installed on the left plate 51, and the right connecting rod 62 is installed on the right plate 52. The clamping block 63 is located at the bottom of the electronic component 3. The limiting groove 64 is provided on the clamping block 63. The left connecting rod 61 and the right connecting rod 62 are respectively located in the limiting groove 64 and slide. The fixing half ring 65 is installed on the inner side of the clamping block 63. The snap ring is installed on the left connecting rod 61 and the right connecting rod 62 and embedded in the limiting groove 64.

[0039] The heat in the cabinet 1 drives the driving component 4 to work, and the piston rod 43 in the driving component 4 drives the left plate 51 and the right plate 52 to move respectively. When the left plate 51 moves, it will drive the left connecting rod 61 to move gradually upward, thereby driving the clamping block 63 on the left side of each electronic component 3 to move upward. At the same time, in the process of the left connecting rod 61 moving upward, the right connecting rod 62 will move downward relatively along the limiting groove 64 in the clamping block 63. At this time, the right connecting rod 62 is actually not moving, but the clamping block 63 is moving upward, and then the right connecting rod 62 moves downward relative to the clamping block 63. When the clamping block 63 moves upward, it will drive the fixed semi-ring 65 to move upward synchronously, thereby forming a wrap around the terminal. The internal snap ring is used to achieve limiting to prevent the clamping block 63 from separating from the left connecting rod 61 or the right connecting rod 62. Therefore, no matter when the temperature on the left or right side rises, the clamping block 63 can be quickly started to move upward, thereby driving the fixed semi-ring 65 to move upward, wrapping the terminal of the electronic component 3, thereby improving the insulation of the end of the electronic component 3.

[0040] like Figure 6As shown, the protective layer 5 is divided into a lifting portion 501 and a smooth portion 502, and the upper surface of the lifting portion 501 is a progressive surface; the left connecting rod 61 or the right connecting rod 62 can be supported upward by the lifting portion 501, and at the same time, the progressive surface allows it to move upward smoothly, thereby allowing the clamping block 63 to move upward smoothly, and at the same time, the fixed half ring 65 can gradually clamp the terminal to avoid mutual interference, thereby improving the protection of the line.

[0041] like Figure 7-8 As shown, a through hole 53 is provided on the surface of the smooth portion 502, and a flow opening 22 is provided on the cable tie rack 2 just below the protective layer 5. Initially, the through hole 53 corresponds to the flow opening 22; initially, the air between the upper and lower layers is circulated, so that the air inside the cabinet 1 can circulate. When the temperature of the upper layer rises due to external factors or its own factors, the protective layer 5 will move laterally, and then the through hole 53 on the smooth portion 502 will be misaligned with the flow opening 22, thereby forming a gas isolation, which is not connected to each other, and heat will not be transferred downward along the through hole 53 and the flow opening 22, thereby reducing the heating of the lower electronic components 3, thereby protecting the wire terminals, and avoiding the risk of rubber melting due to excessive heat, thereby causing the current in the circuit to leak out.

[0042] The clamp block 63 is initially inclined, and when the clamp block 63 rises, the angle between the clamp block 63 and the fixed half ring 65 gradually decreases; when the clamp block 63 rises, it is affected by gravity, and the bottom of the clamp block 63 gradually gathers toward the middle, thereby gradually wrapping the line, so that the wires are longitudinally contracted upward by the fixed half ring 65, and the lower end is also wrapped by the folding of the clamp block 63, thereby increasing the wrapping area of ​​the line, thereby forming protection for the line.

[0043] The fixed semi-ring 65 is in a truncated cone shape, and the minimum diameter of the top of the fixed semi-ring 65 is larger than the diameter of the wiring harness. The top of the fixed semi-ring 65 is provided with an inclined surface 651 for inserting the electronic component 3; the wiring harness frame 2 is provided with a notch 23 at the bottom of the fixed semi-ring 65 corresponding to the notch 23, and the notch 23 is connected to the overflow chamber 45.

[0044] The fixed half ring 65 can be inserted into the electronic component 3, thereby forming a complete protection for the wiring terminal of the electronic component 3. At the same time, its frustum shape can gather the carbon dioxide gas at the bottom, so that a part of the carbon dioxide in the overflow chamber 45 can enter the fixed half ring 65 along the notch 23, thereby cooling the circuit and isolating the current through the gas, thereby forming protection for the circuit.

[0045] When the heat rises in a certain layer of the cabinet 1, the rubber layer 42 will transfer the heat to the inside of the piston sleeve 41. The other areas of the piston sleeve 41 are all made of heat-insulating materials. When the internal gas temperature gradually rises, the piston rod 43 will be gradually pushed to move away from the piston sleeve 41, thereby driving the piston rod 43 to drive the protective layer 5. When the protective layer 5 moves, the bottom of the gas storage chamber 44 is affected by the movement of the offset plate 47, and the offset holes on the offset plate 47 gradually correspond to the gas outlet 46, so that the compressed carbon dioxide in the gas storage chamber 44 is gradually released, and then flows into the overflow chamber 45 through the offset holes on the offset plate 47 and the gas outlet 46, thereby forming carbon dioxide isolation;

[0046] At the same time, the piston rod 43 drives the left plate 51 and the right plate 52 to move respectively. When the left plate 51 moves, it will drive the left connecting rod 61 to move upward gradually, and then drive the clamping block 63 on the left side of each electronic component 3 to move upward, and simultaneously drive the fixed semi-ring 65 to move upward synchronously, thereby wrapping the terminal. At this time, the clamping block 63 folds inward to wrap the circuit, and the notch 23 is exposed at this time, and then the carbon dioxide gas in the overflow chamber 45 will move into the fixed semi-ring 65 through the notch 23, thereby cooling and protecting the terminal.

[0047] The basic principles and beneficial effects of the present invention are shown and described above. At the same time, the present invention is not limited to the above embodiments. Without departing from the effects and scope of the present invention, the present invention may have various changes and improvements. These changes and improvements all fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high voltage circuit safety insulation cabinet, characterized in that: The invention comprises a cabinet (1), a cable harness (2), an electronic component (3), a driving component (4), a protective layer (5) and a protective component (6); the cabinet (1) is provided with a door (11); the cable harness (2) is horizontally distributed inside the cabinet (1); the electronic component (3) is installed above the cable harness (2); a wire threading hole (21) is provided on the cable harness (2); the driving component (4) is installed on the inner wall of the cabinet (1) near the door (11); the protective layer (5) is installed above the cable harness (2); and the protective component (6) is installed at the protective layer (5); when the temperature rises, the gas in the driving component (4) expands due to the heat, driving the protective layer (5) to move horizontally to form a partition; the protective layer (5) that moves horizontally wraps the transmission end of the electronic component (3) through the protective component (6).

2. A high voltage circuit safety insulation cabinet according to claim 1, characterized in that: The protective layers (5) are provided with two, namely a left plate (51) and a right plate (52), and the protective layers (5) are arranged on the rear side of the inner wall of the cabinet (1).

3. A high voltage circuit safety insulation cabinet according to claim 1, characterized in that: The driving assembly (4) comprises a piston sleeve (41), a rubber layer (42), a piston rod (43), an air storage chamber (44), an overflow chamber (45), an air outlet (46), and a dislocation plate (47); the piston sleeve (41) is mounted on the side wall of the cabinet (1); the rubber layer (42) is mounted on the piston sleeve (41); the piston rod (43) is mounted on the front end of the piston sleeve (41); the air storage chamber (44) is mounted on the inner side of the cabinet (1); the overflow chamber (45) is opened inside the cable harness (2); the air outlet (46) array is opened above the cable harness (2) at a position corresponding to the air storage chamber (44); the dislocation plate (47) is installed below the air storage chamber (44); and the dislocation plate (47) is provided with dislocation holes.

4. A high voltage circuit safety insulation cabinet according to claim 1, characterized in that: The protection component (6) comprises a left connecting rod (61), a right connecting rod (62), a clamping block (63), a limiting groove (64), a fixing half ring (65), and a snap ring (66); the left connecting rod (61) is mounted on the left plate (51); the right connecting rod (62) is mounted on the right plate (52); the clamping block (63) is located at the bottom of the electronic component (3); the limiting groove (64) is provided on the clamping block (63); the left connecting rod (61) and the right connecting rod (62) are respectively located in the limiting groove (64) and slide; the fixing half ring (65) is mounted on the inner side of the clamping block (63); and the snap ring (66) is mounted on the left connecting rod (61) and the right connecting rod (62) and embedded in the limiting groove (64).

5. A high voltage circuit safety insulation cabinet according to claim 3, characterized in that: The protective layer (5) is divided into a raised portion (501) and a smooth portion (502), and the upper surface of the raised portion (501) is a progressive surface.

6. A high voltage circuit safety insulation cabinet according to claim 4, characterized in that: A through hole (53) is provided on the surface of the smooth portion (502), and a flow opening (22) is provided on the harness frame (2) directly below the protective layer (5), and initially the through hole (53) corresponds to the flow opening (22).

7. A high voltage circuit safety insulation cabinet according to claim 5, characterized in that: The clamping block (63) is initially in an inclined shape, and when the clamping block (63) rises, the angle between the clamping block (63) and the fixed half ring (65) gradually decreases.

8. A high voltage circuit safety insulation cabinet according to claim 7, characterized in that: The fixing half ring (65) is in the shape of a truncated cone, the minimum diameter of the top of the fixing half ring (65) is larger than the diameter of the wire harness, and the top of the fixing half ring (65) is provided with an inclined surface (651) for inserting the electronic component (3).

9. A high voltage circuit safety insulation cabinet according to claim 7, characterized in that: A notch (23) is provided at the bottom of the corresponding fixed half ring (65) of the cable harness rack (2), and the notch (23) is communicated with the overflow chamber (45).

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