An intelligent electrical switch cabinet

Abstract

The invention relates to the technical field of switch cabinets, and specifically discloses an intelligent electrical switch cabinet, comprising a cabinet body, a trolley assembly, an isolation assembly and a heat dissipation assembly, wherein a static contact is arranged in the cabinet body, the trolley assembly comprises a trolley frame, a trolley, a contact arm and a driving structure 1, wherein a moving contact is arranged on the contact arm, the isolation assembly comprises a plurality of arc plates 1 and a plurality of arc plates 2, wherein the plurality of arc plates 1 can be enclosed to form a contact box 1, and the plurality of arc plates 2 can be enclosed to form a contact box 2, wherein the diameter of the contact box 1 is greater than the diameter of the contact box 2, the heat dissipation assembly comprises a ventilation pipe and a driving structure 2, wherein the ventilation pipe is provided with air outlet holes, and the driving structure 2 is used for driving the plurality of arc plates 1 and the plurality of arc plates 2 to move in a direction away from their respective axes, so that the arc plates 1 and the arc plates 2 are arranged in an alternating manner and enclose to form an isolation cavity, and the arc plates 2 are densely covered with ventilation holes; the invention can effectively dissipate the electrical contact parts of the moving contact and the static contact.

Description

Technical Field

[0001] The present invention relates to the technical field of switch cabinets, and in particular to an intelligent electrical switch cabinet. Background Art

[0002] A trolley-type switch cabinet is a cabinet structure, inside which various components for controlling circuit switching and other operations are installed. The trolley switch cabinets in related technologies are mostly composed of a cabinet, a trolley, a circuit breaker, a plug-in device and an operating mechanism, among which the circuit breaker and the plug-in device are usually installed on the trolley. When in use, the cabinet door is opened, and the trolley is pushed into the trolley chamber on the switch cabinet through the operating mechanism, so that the moving contact contacts the static contact to turn on the circuit. By manually controlling the trolley, the switching and operation of the switch cabinet can be easily achieved. The operation is simple and convenient, and it is also convenient to repair and replace the components inside the switch cabinet.

[0003] The patent document with publication number CN220475274U discloses a trolley-type switch cabinet, including a cabinet body, an upper box door hinged at the front end of the cabinet body, a controller installed inside the upper box door, a support plate installed at the lower part of the left wall of the cabinet body, a heat sink installed on the upper end of the support plate, two connecting pipes connected to the upper end of the heat sink box, the upper ends of the connecting pipes are connected to the interior of the cabinet body, and a heat sink net is arranged on the upper part of the right wall of the cabinet body. When in use, the suction fan in the heat sink box is started, and air will enter the heat sink box and enter the cabinet body through the two connecting pipes to cool the interior of the cabinet body to avoid the influence of high temperature on the switch cabinet. The hot air is quickly discharged through the heat sink net to dissipate heat, thereby improving the service life of the switch cabinet.

[0004] However, when the above-mentioned switch cabinet is in use, it is easy to generate more heat at the electrical contact parts, such as the electrical contact parts of the moving contact and the static contact. However, the outside of the contact is usually provided with insulating material for insulation, which affects the heat dissipation. If the heat cannot be dissipated in time, the temperature of the electrical contact parts will increase, affecting the normal use of the switch cabinet. Summary of the invention

[0005] The present invention provides an intelligent electrical switch cabinet, aiming to solve the problem that the switch cabinet in the related art is prone to generate more heat at the electrical contact parts when in use, such as the electrical contact parts of the moving contact and the static contact, but the outer side of the contact is usually provided with insulating material for insulation, resulting in affected heat dissipation. If the heat cannot be dissipated in time, the temperature of the electrical contact parts will increase, affecting the normal use of the switch cabinet.

[0006] An intelligent electrical switch cabinet of the present invention comprises a cabinet body, a cabinet door is hingedly connected to the front end of the cabinet body, a trolley room is provided in the cabinet body, a static contact is arranged in the trolley room, and further comprises a trolley assembly, an isolation assembly and a heat dissipation assembly:

[0007] The trolley assembly includes a trolley frame, a trolley slidably mounted on the trolley frame, a contact arm mounted on the trolley, and a driving structure for driving the trolley to move, wherein a moving contact matched with a stationary contact is provided at one end of the contact arm;

[0008] The isolation assembly includes a plurality of arc-shaped plates 1 and a plurality of arc-shaped plates 2, wherein the plurality of arc-shaped plates 1 are arranged along the circumference of the stationary contact and can surround and form an annular contact box 1, and the plurality of arc-shaped plates 2 are arranged along the circumference of the moving contact and can surround and form an annular contact box 2, and the diameter of the contact box 1 is greater than the diameter of the contact box 2;

[0009] The heat dissipation component includes a ventilation duct and a driving structure 2. The ventilation duct is provided with an air outlet toward the contact box 1. The driving structure 2 is used to drive multiple arc plates 1 and multiple arc plates 2 to move in a direction away from their respective axes, so that the arc plates 1 and the arc plates 2 are arranged alternately and surround an isolation cavity. The arc plate 2 is densely covered with ventilation holes.

[0010] In the initial state, multiple arc plates 1 are closed to form contact box 1 to protect the static contact, and multiple arc plates 2 are closed to form contact box 2 to protect the moving contact. When the moving contact and the static contact are connected, under the action of driving structure 2, arc plates 1 and 2 are staggered and arranged to form an isolation cavity, and ventilation is conducted into the isolation cavity through the air outlet holes on the ventilation pipe, which can effectively dissipate heat from the electrical contact parts of the moving contact and the static contact.

[0011] Preferably, a plurality of slide grooves are provided on the side wall of the cabinet, and the plurality of slide grooves are arranged at intervals along the circumference of the contact box, each slide groove is arranged along the radial direction of the contact box, each arc plate 1 is slidably matched with the corresponding slide groove, and an elastic member 1 is provided between the arc plate 1 and the slide groove 1 for driving the arc plate 1 to reset.

[0012] Preferably, a plurality of slide grooves 2 are provided at one end of the contact arm away from the trolley, and the plurality of slide grooves 2 are arranged at intervals along the circumference of the contact box 2, each slide groove 2 is arranged along the radial direction of the contact box 2, each arc plate 2 is slidably matched with the corresponding slide groove 2, and an elastic member 2 is provided between the arc plate 2 and the slide groove 2 for driving the arc plate 2 to reset, and the slide groove 1 and the slide groove 2 are staggered in the front and rear projection directions, so that the arc plate 1 and the arc plate 2 can be staggered when they are spread out.

[0013] Preferably, one end of each arc plate 2 away from the contact arm is connected to a baffle, and when a plurality of arc plates 2 are closed and surround to form a contact box 2, the baffles are closed synchronously, and the closed baffles can seal the end of the contact box 2.

[0014] The moving contact can be further isolated and protected to prevent dust and other impurities from falling on the moving contact and affecting the contact effect with the static contact.

[0015] Preferably, the interior of the arc plate 2 has a accommodating cavity, and a sealing plate for sealing the accommodating cavity is installed at the end of the arc plate 2. Both sides of the accommodating cavity are connected to the outside through ventilation holes, and a desiccant is placed in the accommodating cavity.

[0016] The air blown to the isolation cavity can be dried to ensure the dryness of the moving contact and the static contact, thereby ensuring the safe operation of the switch cabinet and improving the heat dissipation efficiency.

[0017] Preferably, the driving structure 1 includes a screw rod rotatably arranged on the trolley frame, and a driving member for driving the screw rod to rotate, and the trolley is threadedly matched with the screw rod.

[0018] Preferably, drive structure 2 includes a contact block arranged on the side wall of the cabinet, the contact block is located inside contact box 1, a guide groove is provided on the end face of the baffle, the guide groove is arranged along the radial direction of contact box 2, the interior of the guide groove is in the shape of an inclined surface, and one end of the guide groove facing the axis of contact box 2 is defined as the inner end, and the other end is defined as the outer end, and the inclined surface is inclined from the inner end to the outer end away from the trolley, and during the process of inserting contact box 2 into contact box 1, the contact block can contact the inclined surface in the guide groove.

[0019] Preferably, a partition and a drive structure three are provided in the cabinet. The partition is longitudinally slidably arranged on the front side of the static contact and can close the end of the contact box one. The drive structure is used to drive the partition to open or close during the process of pushing the trolley frame in and out.

[0020] It can protect the static contact and prevent workers from touching the static contact and causing danger.

[0021] Preferably, the driving structure three includes a slider, a driving rod and two connecting rods. A horizontal slide groove is opened on the side wall of the cabinet. The slider is slidably arranged in the horizontal slide groove, and an elastic member three for driving the slider to reset is arranged between the slider and the horizontal slide groove. The driving rod is tilted, one end of which is hinged to the slider and the other end extends toward the cabinet door. There are two partitions, and the two partitions and the two connecting rods are symmetrically arranged on the upper and lower sides of the horizontal slide groove. One end of the connecting rod is hinged to the partition on the corresponding side, and the other end is hinged to the slider.

[0022] Preferably, a heat dissipation window is provided on the cabinet door.

[0023] It can dissipate heat inside the switch cabinet to ensure the normal operation of the switch cabinet.

[0024] The beneficial effects of the present invention are:

[0025] 1. The present invention is provided with an isolation component and a heat dissipation component. In the initial state, a plurality of arc-shaped plates 1 are closed to form a contact box 1 to protect the static contact, and a plurality of arc-shaped plates 2 are closed to form a contact box 2 to protect the moving contact. When the moving contact and the static contact are connected, under the action of the driving structure 2, the arc-shaped plates 1 and 2 are arranged alternately and enclosed to form an isolation cavity, and ventilation is conducted into the isolation cavity through the heat dissipation component, so that the electrical contact parts of the moving contact and the static contact can be effectively dissipated.

[0026] 2. The present invention sets a receiving cavity in the arc plate 2, and places a desiccant in the receiving cavity to dry the air blown to the isolation cavity, thereby ensuring the dryness of the moving contact and the static contact and ensuring the safe operation of the switch cabinet. At the same time, the dry gas can more effectively absorb and take away heat, thereby improving the heat dissipation efficiency.

[0027] 3. In the present invention, a baffle is connected to the arc plate 2. When the arc plate 2 is closed to form the contact box 2, the baffle can seal the end of the contact box 2, thereby further isolating and protecting the moving contact, preventing dust and other impurities from falling on the moving contact and affecting the contact effect with the static contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0029] Figure 2 It is a schematic structural diagram of the present invention cut along the longitudinal direction.

[0030] Figure 3 It is a schematic diagram of the assembly structure of the trolley assembly and the isolation assembly of the present invention.

[0031] Figure 4 It is a schematic diagram of the trolley assembly of the present invention being in the process of being pushed in.

[0032] Figure 5 It is a schematic diagram of the trolley assembly of the present invention when it is fully pushed in.

[0033] Figure 6 It is a schematic structural diagram of the isolation cavity of the present invention.

[0034] Figure 7 It is a schematic structural diagram of the contact block of the present invention.

[0035] Figure 8 It is a structural schematic diagram of the arc plate 2 of the present invention.

[0036] Reference numerals:

[0037] 1. Cabinet body; 11. Cabinet door; 111. Heat dissipation window; 112. Through hole; 12. Static contact; 13. Slide groove 1; 14. Contact block; 15. Partition plate; 16. Slider; 17. Driving rod; 18. Connecting rod; 19. Horizontal slide groove; 21. Cart frame; 22. Cart; 23. Contact arm; 231. Slide groove 2; 24. Moving contact; 25. Screw; 3. Contact box 1; 31. Arc plate 1; 4. Contact box 2; 41. Arc plate 2; 411. Ventilation hole; 412. Accommodating cavity; 42. Baffle; 421. Guide groove; 43. Closing plate; 51. Ventilation duct; 511. Air outlet. DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0039] like Figures 1 to 8 As shown, an intelligent electrical switch cabinet of the present invention comprises a cabinet body 1, a trolley assembly, an isolation assembly and a heat dissipation assembly.

[0040] A cabinet door 11 is hinged at the front end of the cabinet body 1, and a heat dissipation window 111 is provided on the cabinet door 11. A trolley chamber is provided in the cabinet body 1, and a static contact 12 is provided in the trolley chamber. The trolley assembly includes a trolley frame 21, a trolley 22 slidably arranged on the trolley frame 21, a contact arm 23 arranged on the trolley 22, and a driving structure 1 for driving the trolley 22 to move. A moving contact 24 adapted to the static contact 12 is provided at one end of the contact arm 23.

[0041] Specifically, when the trolley 22 needs to be sent into the cabinet 1, the cabinet door 11 is opened, and the trolley frame 21 is pushed into the trolley chamber. The trolley 22 is then driven to move by the driving structure, and the contact arm 23 and the moving contact 24 are driven to move synchronously until the moving contact 24 is connected to the static contact 12 in the cabinet 1 to achieve circuit connection. At this time, the cabinet door 11 is closed to complete the pushing of the trolley 22. When the trolley 22 needs to be pulled out of the cabinet 1, the trolley frame 21 is pulled to drive the trolley 22 arranged on the trolley frame 21 to move synchronously, so that the moving contact 24 is disconnected from the static contact 12, until the trolley frame 21 is completely pulled out of the cabinet 1.

[0042] The isolation assembly includes a plurality of arc plates 31 arranged on the peripheral side of the static contact 12, and a plurality of arc plates 41 arranged on the peripheral side of the moving contact 24. The plurality of arc plates 31 are arranged along the circumference of the static contact 12, and can surround and form an annular contact box 3 to provide insulation protection for the static contact 12. The plurality of arc plates 41 are arranged along the circumference of the moving contact 24, and can surround and form an annular contact box 4 to provide insulation protection for the moving contact 24. The contact box 3 and the contact box 4 are both made of insulating material to achieve effective isolation and protection of the static contact 12 and the moving contact 24. The diameter of the contact box 3 is larger than the diameter of the contact box 4. When the trolley 22 is pushed inward, the contact box 4 can be inserted into the contact box 3 to achieve the connection between the moving contact 24 and the static contact 12.

[0043] The heat dissipation component includes a ventilation duct 51 and a driving structure 2. The ventilation duct 51 is provided with an air outlet 511 toward the contact box 1 3. The driving structure 2 is used to drive multiple arc plates 1 31 and multiple arc plates 2 41 to move in a direction away from their respective axes, so that the arc plates 1 31 and the arc plates 2 41 are arranged alternately and surround to form an isolation cavity. The arc plates 2 41 are densely covered with ventilation holes 411.

[0044] Specifically, Figures 2 to 8 As shown, when the trolley 22 is driven to move by the driving structure 1, the moving contact 24 and the contact box 24 provided on the trolley 22 are driven to move until the contact box 24 is inserted into the contact box 1 3. At this time, under the action of the driving structure 2, the multiple arc plates 2 41 in the contact box 2 4 can be synchronously moved in a direction away from the axis, and at the same time, the multiple arc plates 1 31 in the contact box 1 3 can be synchronously moved in a direction away from the axis. As the arc plates 1 31 and the arc plates 2 41 gradually move, the arc plates 1 31 and the arc plates 2 41 are staggered. , and an isolation cavity is formed. At this time, the connected moving contact 24 and the static contact 12 are just located in the isolation cavity, which can isolate and protect the moving contact 24 and the static contact 12. In this process, air is introduced into the ventilation pipe 51 through the air supply equipment, and the gas will flow along the ventilation pipe 51 and be discharged outward from the air outlet 511. The discharged gas will blow to the contact box 3 and blow to the inside of the isolation cavity from the ventilation hole 411 provided on the arc plate 2 41, effectively cooling the electrical contact parts of the moving contact 24 and the static contact 12, thereby achieving further heat dissipation of the switch cabinet.

[0045] In some embodiments, a plurality of slide grooves 13 are provided on the side wall of the cabinet 1, and the plurality of slide grooves 13 are arranged at intervals along the circumference of the contact box 3, and each slide groove 13 is arranged along the radial direction of the contact box 3, and each arc plate 31 is slidably matched with the corresponding slide groove 13, and an elastic member 1 for driving the arc plate 31 to reset is provided between the arc plate 31 and the slide groove 13, and a plurality of slide grooves 231 are provided at one end of the contact arm 23 away from the trolley 22, and the plurality of slide grooves 231 are arranged along the contact box The contact box 24 is provided with circumferential intervals therebetween, each slide groove 231 is provided along the radial direction of the contact box 24, each arc plate 21 is slidably matched with the corresponding slide groove 231, and an elastic member 2 is provided between the arc plate 21 and the slide groove 231 for driving the arc plate 21 to reset, wherein the elastic member 1 and the elastic member 2 can be provided as springs, and the slide groove 13 and the slide groove 231 are staggered in the front and rear projection directions, so that the arc plates 131 and the arc plates 241 can be staggered when they are spread out.

[0046] Specifically, Figures 2 to 8 As shown, in the initial state, the arc plate 1 31 is closed and encloses to form the contact box 1 3, and the arc plate 2 41 is closed and encloses to form the contact box 2 4. The driving structure 1 drives the trolley 22 to move, so that when the moving contact 24 is connected with the static contact 12, each arc plate 1 31 moves along the corresponding slide groove 1 13 in the direction away from the axis of the static contact 12, so that the arc plate 1 31 is in a scattered state, and at the same time, each arc plate 2 41 moves along the corresponding slide groove 2 231 in the direction away from the moving contact 24, so that the arc plate 2 41 is in a scattered state. Since the slide groove 1 13 and the slide groove 2 231 are staggered in the front and rear projection directions, The multiple arc plates 1 31 in the dispersed state and the multiple arc plates 2 41 in the dispersed state are arranged alternately, and form an isolation cavity for isolating and protecting the moving contact 24 and the static contact 12; the trolley 22 is driven to move by the driving structure 1, so that when the moving contact 24 is disconnected from the static contact 12, the arc plate 1 31 will move and reset under the action of the elastic member 1, so that the arc plate 1 31 is restored to the closed state, and the static contact 12 is isolated and protected. At the same time, the arc plate 2 41 will move and reset under the action of the elastic member 2, so that the arc plate 2 41 is restored to the closed state, and the moving contact 24 is isolated and protected.

[0047] In some embodiments, each arc plate 41 is connected to a baffle 42 at one end away from the contact arm 23. When multiple arc plates 41 are closed and form a contact box 4, the baffle 42 is closed synchronously, and the closed baffle 42 can seal the end of the contact box 4.

[0048] Specifically, Figure 3 , Figure 7 and Figure 8As shown, when the plurality of arc plates 41 are moved along the slide groove 231 through the driving structure 2, the baffle 42 will move synchronously to expose the moving contact 24, avoiding affecting the connection between the moving contact 24 and the static contact 12. When the plurality of arc plates 41 are closed and enclosed to form the contact box 24 under the action of the elastic member 2, the baffle 42 will close synchronously and seal the end of the formed contact box 24, thereby further isolating and protecting the moving contact 24, avoiding dust and other impurities on the moving contact 24, and preventing short circuit and the like from occurring when connecting with the static contact 12, thereby ensuring the safe operation of the switch cabinet.

[0049] The moving contact 24 and the stationary contact 12 can be cooled by blowing air to them through the heat dissipation component. However, if the gas contains moisture, the insulation performance of the moving contact 24 and the stationary contact 12 may be reduced, resulting in an increased risk of leakage or short circuit, and at the same time affecting the contact quality, increasing the contact resistance, and causing further heat. Therefore, in some embodiments, the interior of the arc plate 41 has a accommodating cavity 412, and the end of the arc plate 41 is installed with a sealing plate 43 for sealing the accommodating cavity 412. Both sides of the accommodating cavity 412 are connected to the outside through the ventilation holes 411, and a desiccant is placed in the accommodating cavity 412.

[0050] Specifically, Figures 4 to 8 As shown, air is introduced into the ventilation pipe 51 through the air supply equipment, and the gas will be discharged from the air outlet 511, and enter the accommodating chamber 412 through the ventilation holes 411 on the outer arc surface of the arc plate 2 41, and fully contact with the desiccant in the accommodating chamber 412 to dry the gas. The dried gas enters the isolation chamber through the ventilation holes 411 on the inner arc surface of the arc plate 2 41, and blows toward the moving contact 24 and the static contact 12 to dissipate heat. After a period of use, the sealing plate 43 can be opened to replace the desiccant in the accommodating chamber 412. By drying the introduced gas, the insulation performance of the moving contact 24 and the static contact 12 can be guaranteed, thereby ensuring the safe operation of the switch cabinet. At the same time, the dry gas has a smaller heat capacity and can more effectively absorb and take away heat, thereby improving the heat dissipation efficiency.

[0051] In some embodiments, the driving structure 1 includes a screw rod 25 rotatably disposed on the trolley frame 21 , and a driving member for driving the screw rod 25 to rotate, and the trolley 22 is threadedly matched with the screw rod 25 .

[0052] Specifically, Figures 1 to 5As shown, a through hole 112 is provided at the same position on the trolley frame 21 and the cabinet door 11, a groove is provided on the end of the screw rod 25 close to the cabinet door 11, and the driving member is an operating rod adapted to the groove on the screw rod 25. When in use, the operating rod is inserted into the through holes 112 on the cabinet door 11 and the trolley frame 21, and the operating rod is connected to the groove on the screw rod 25 so that the two can rotate synchronously. At this time, rotating the operating rod can drive the screw rod 25 to rotate, and drive the trolley 22 that is threadedly matched with the screw rod 25 to move, thereby completing the pushing of the trolley 22.

[0053] In some embodiments, the drive structure 2 includes a contact block 14 arranged on the side wall of the cabinet 1, and the contact block 14 is located inside the contact box 1 3. A guide groove 421 is provided on the end face of the baffle 42, and the guide groove 421 is arranged along the radial direction of the contact box 2 4. The interior of the guide groove 421 is in the shape of an inclined surface, and the end of the guide groove 421 facing the axis of the contact box 2 4 is defined as the inner end, and the other end is defined as the outer end. The inclined surface is inclined from the inner end to the outer end in a direction away from the trolley 22. During the insertion of the contact box 2 4 into the contact box 3, the contact block 14 can contact the inclined surface in the guide groove 421.

[0054] Specifically, Figures 4 to 8 As shown, when the trolley 22 is driven to move by the driving structure 1, the moving contact 24 and the contact box 24 provided on the trolley 22 are driven to move, and the baffle 42 connected to the arc plate 21 is driven to move synchronously, until the contact box 24 is inserted into the contact box 1 3. As the baffle 42 moves, the contact block 14 extends into the guide groove 421 provided on the baffle 42 and contacts the inclined surface in the guide groove 421. At this time, as the baffle 42 continues to move, the baffle 42 can be guided by the inclined surface to move in the direction away from the axis of the moving contact 24, and bring The movable arc plate 2 41 moves along the slide groove 231, so that the arc plate 2 41 is in a dispersed state. Since the contact box 1 3 surrounds the outside of the contact box 2 4, the arc plate 2 41 can push the arc plate 1 31 to move synchronously along the slide groove 13 while moving, so that the arc plate 1 31 is in a dispersed state. When the moving contact 24 is connected to the static contact 12, the trolley 22 stops moving, and the arc plate 2 41 and the arc plate 1 31 stop moving. At this time, the arc plate 1 31 and the arc plate 2 41 are alternately arranged and enclosed to form an isolation cavity to isolate and protect the static contact 12 and the moving contact 24.

[0055] In some embodiments, a partition 15 and a driving structure three are also provided in the cabinet 1. The partition 15 is longitudinally slidably arranged on the front side of the static contact 12 and can close the end of the contact box 3. The driving structure three is used to drive the partition 15 to open or close during the process of pushing the trolley frame 21 in and out. The driving structure three includes a slider 16, a driving rod 17 and two connecting rods 18. A horizontal slide groove 19 is opened on the side wall of the cabinet 1. The slider 16 is slidably arranged in the horizontal slide groove 19, and an elastic member three for driving the slider 16 to reset is provided between the slider 16 and the horizontal slide groove 19. The driving rod 17 is tilted, one end of which is hinged to the slider 16, and the other end extends toward the cabinet door 11. There are two partitions 15, and the two partitions 15 and the two connecting rods 18 are symmetrically arranged on the upper and lower sides of the horizontal slide groove 19. One end of the connecting rod 18 is hinged to the partition 15 on the corresponding side, and the other end is hinged to the slider 16.

[0056] Specifically, Figures 1 to 3 , Figure 7 As shown, in the initial state, the partition 15 is located at the front side of the static contact 12 and can close the end of the contact box 3 to protect the static contact 12 and prevent the staff from touching the static contact 12 and causing danger. When the trolley frame 21 is pushed into the trolley room, the trolley frame 21 will contact the end of the driving rod 17 facing the cabinet door 11. As the trolley frame 21 continues to move, the driving rod 17 will push the slider 16 to move along the horizontal slide groove 19. As the slider 16 gradually approaches the partition 15, it will be moved under the action of the connecting rod 18. The partition 15 on the upper side of the horizontal slide groove 19 moves upward, and the partition 15 on the lower side of the horizontal slide groove 19 moves downward to open the partition 15. At this time, the trolley 22 is pushed to achieve the connection between the moving contact 24 and the static contact 12. When the trolley frame 21 is pulled out of the trolley chamber, the driving rod 17 loses the thrust of the trolley frame 21. At this time, the slider 16 will move in the opposite direction to reset under the action of the elastic member three, and the connecting rod 18 will make the two partitions 15 move in the opposite direction to reset, so that the partition 15 is closed again to protect the static contact 12.

[0057] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An intelligent electrical switch cabinet, comprising a cabinet body (1), a cabinet door (11) being hingedly connected to the front end of the cabinet body (1), a trolley chamber being provided in the cabinet body (1), and a static contact (12) being provided in the trolley chamber, characterized in that: Also includes cart assembly, isolation assembly and heat dissipation assembly: The trolley assembly comprises a trolley frame (21), a trolley (22) slidably mounted on the trolley frame (21), a contact arm (23) mounted on the trolley (22), and a driving structure for driving the trolley (22) to move; a moving contact (24) matching the stationary contact (12) is provided at one end of the contact arm (23); The isolation assembly comprises a plurality of arc-shaped plates one (31) and a plurality of arc-shaped plates two (41), wherein the plurality of arc-shaped plates one (31) are arranged along the circumference of the stationary contact (12) and are capable of surrounding and forming an annular contact box one (3), and the plurality of arc-shaped plates two (41) are arranged along the circumference of the moving contact (24) and are capable of surrounding and forming an annular contact box two (4), wherein the diameter of the contact box one (3) is greater than the diameter of the contact box two (4); The heat dissipation component comprises a ventilation duct (51) and a second driving structure. The ventilation duct (51) is provided with an air outlet (511) at a position facing the contact box one (3). The second driving structure is used to drive the plurality of arc-shaped plates one (31) and the plurality of arc-shaped plates two (41) to move in a direction away from their respective axes, so that the arc-shaped plates one (31) and the arc-shaped plates two (41) are arranged in an alternating manner and surround to form an isolation cavity. The arc-shaped plates two (41) are densely covered with ventilation holes (411).

2. The intelligent electrical switch cabinet according to claim 1, characterized in that: A plurality of slide grooves (13) are provided on the side wall of the cabinet (1), and the plurality of slide grooves (13) are arranged at intervals along the circumference of the contact box (3), and each slide groove (13) is arranged along the radial direction of the contact box (3). Each arc plate (31) is slidably matched with the corresponding slide groove (13), and an elastic member (1) is provided between the arc plate (31) and the slide groove (13) for driving the arc plate (31) to reset.

3. The intelligent electrical switch cabinet according to claim 2, characterized in that: A plurality of second slide grooves (231) are provided at one end of the contact arm (23) away from the trolley (22), and the plurality of second slide grooves (231) are arranged at intervals along the circumference of the second contact box (4), and each second slide groove (231) is arranged along the radial direction of the second contact box (4). Each second arc plate (41) is slidably matched with the corresponding second slide groove (231), and an elastic member 2 for driving the second arc plate (41) to reset is provided between the second arc plate (41) and the second slide groove (231), and the first slide groove (13) and the second slide groove (231) are staggered in the front and rear projection direction, so that the first arc plate (31) and the second arc plate (41) can be staggered when they are spread out.

4. The intelligent electrical switch cabinet according to claim 1, characterized in that: One end of each arc-shaped plate 2 (41) away from the contact arm (23) is connected to a baffle (42); when a plurality of arc-shaped plates 2 (41) are closed and enclosed to form a contact box 2 (4), the baffle (42) is closed synchronously, and the closed baffle (42) can seal the end of the contact box 2 (4).

5. The intelligent electrical switch cabinet according to claim 1, characterized in that: The second arc plate (41) has a receiving cavity (412) inside, and a sealing plate (43) for sealing the receiving cavity (412) is installed at the end of the second arc plate (41). Both sides of the receiving cavity (412) are connected to the outside through ventilation holes (411), and a desiccant is contained in the receiving cavity (412).

6. The intelligent electrical switch cabinet according to claim 1, characterized in that: The driving structure 1 comprises a screw rod (25) rotatably arranged on the trolley frame (21), and a driving member for driving the screw rod (25) to rotate, and the trolley (22) and the screw rod (25) are threadedly matched.

7. The intelligent electrical switch cabinet according to claim 4, characterized in that: The driving structure 2 comprises a contact block (14) arranged on the side wall of the cabinet (1), the contact block (14) being located inside the contact box 1 (3), a guide groove (421) being provided on the end surface of the baffle (42), the guide groove (421) being arranged along the radial direction of the contact box 2 (4), the inside of the guide groove (421) being in the shape of an inclined surface, one end of the guide groove (421) facing the axis of the contact box 2 (4) being defined as the inner end, and the other end being defined as the outer end, the inclined surface being inclined from the inner end to the outer end in a direction away from the trolley (22), and during the process of inserting the contact box 2 (4) into the contact box 1 (3), the contact block (14) can contact the inclined surface in the guide groove (421).

8. The intelligent electrical switch cabinet according to claim 1, characterized in that: A partition (15) and a third drive structure are provided in the cabinet (1). The partition (15) is longitudinally slidably arranged on the front side of the stationary contact (12) and is capable of sealing the end of the first contact box (3). The drive structure is used to drive the partition (15) to open or close during the process of pushing in and out the trolley frame (21).

9. The intelligent electrical switch cabinet according to claim 8, characterized in that: The driving structure three comprises a slider (16), a driving rod (17) and two connecting rods (18). A horizontal sliding groove (19) is provided on the side wall of the cabinet body (1). The slider (16) is slidably arranged in the horizontal sliding groove (19). An elastic member three for driving the slider (16) to reset is provided between the slider (16) and the horizontal sliding groove (19). The driving rod (17) is tilted, one end of which is hinged to the slider (16) and the other end of which extends toward the cabinet door (11). Two partitions (15) are provided. The two partitions (15) and the two connecting rods (18) are symmetrically arranged on the upper and lower sides of the horizontal sliding groove (19). One end of the connecting rod (18) is hinged to the partition (15) on the corresponding side and the other end is hinged to the slider (16).

10. The intelligent electrical switch cabinet according to claim 1, characterized in that: A heat dissipation window (111) is provided on the cabinet door (11).

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