CN115395410B

CN115395410B - Maintenance-free power distribution cabinet

Info

Publication number: CN115395410B
Application number: CN202211104216.3A
Authority: CN
Inventors: 刘正南; 刘炉钢; 孟利兴; 费国柱
Original assignee: Jiangsu Zhong Zhong Switch Factory Co ltd
Current assignee: Jiangsu Zhong Zhong Switch Factory Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-08-11
Anticipated expiration: 2042-09-09
Also published as: CN115395410A

Abstract

The utility model discloses a maintenance-free power distribution cabinet, which belongs to the technical field of power distribution cabinets and comprises a shell and a door, wherein a trigger assembly, a switching assembly, a conduction assembly and a holding assembly are arranged on the shell; the trigger assembly is provided with a counterweight oscillating bar, a magnet, a ball arm I and a triangular pin, the triangular pin is fixedly connected to the counterweight oscillating bar, the swing of the counterweight oscillating bar is controlled by the magnet, the holding assembly is provided with a slide bar, the triangular pin is in intermittent fit with the slide bar, the switching assembly is provided with a gear IV, a pin shaft and a gear shaft, the ball arm I is matched with the gear IV, and the gear IV is respectively matched with the pin shaft and the gear shaft; the electric wire end I, the electric wire end II and the refrigerating piece are arranged on the conduction assembly, and the electric wire end I is enabled to be displaced through displacement of the ball rod I so as to start and stop the refrigerating piece. The utility model can automatically cool the power distribution cabinet according to the temperature change in the power distribution cabinet, has high stability, avoids manual operation and reduces the labor intensity of staff.

Description

Maintenance-free power distribution cabinet

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a maintenance-free power distribution cabinet.

Background

The power distribution cabinet is common equipment in a power distribution system and is used for distributing electric energy of a certain circuit of the upper-stage power distribution equipment to nearby loads, a plurality of electric elements are usually installed in the power distribution cabinet, in order to ensure normal operation of the electric elements and avoid safety accidents, the electric elements and connecting lines in the power distribution cabinet are often required to be maintained and overhauled, most common maintenance is to check whether the electric elements are damaged or not, most of damage reasons are that the electric elements are burnt out due to insufficient overheating of the heat dissipation, so that workload of workers is increased, the main reason that general heating cannot be carried out is that the outside temperature is higher in summer, and the outside hot air is pumped into the cabinet when a fan dissipates heat, so that the heat dissipation effect is poor.

The bulletin number in the prior art is: the Chinese patent of CN211017947U provides a maintenance-free power distribution cabinet, which comprises a cabinet body, a cabinet door and a cabinet top, wherein a heat radiation fan is arranged on the inner side of the cabinet top, first insulating blocks are symmetrically arranged on the inner side wall of the cabinet body, the cabinet door is provided with second insulating blocks, wires are arranged on the first insulating blocks and the wiring terminals of the heat radiation fan, conductive blocks are arranged on the first insulating blocks and the second insulating blocks, and a temperature sensing device is arranged on the top of the first insulating blocks. The power distribution cabinet has the advantages that after the temperature in the power distribution cabinet rises, the cooling device is started due to mercury expansion, the power distribution cabinet can be cooled, the problems that the cooling fan always works, electric power is wasted, the cooling fan works and heat is generated are solved, but the power of the mercury expansion is not required to start the cooling device, the stability is not high, on the other hand, after the mercury expansion is conducted on a cooling circuit, the cooling device stops working due to slight shrinkage of mercury caused by slight reduction of the temperature, and as a result, the cooling device is continuously started and closed, so that the stability of the device is greatly reduced, and the cooling effect is poor.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the problem of automatic start-stop stability poor, the radiating effect is not good when the switch board dispels the heat has been solved.

Aiming at the technical problems, the utility model adopts the following technical scheme: a maintenance-free power distribution cabinet comprises a shell and a door, wherein a trigger component, a switching component, a conduction component and a holding component are arranged on the shell; the trigger assembly is provided with a counterweight swing rod, a magnet, a ball rod I and a triangular pin, the triangular pin is fixedly connected to the counterweight swing rod, the swing of the counterweight swing rod is controlled through the magnet, the holding assembly is provided with a slide bar, the triangular pin is intermittently matched with the slide bar, the ball rod I is enabled to be displaced through displacement of the slide bar, the switching assembly is provided with a gear IV, a pin shaft and a gear shaft, the ball rod I is matched with the gear IV, and the gear IV is respectively matched with the pin shaft and the gear shaft; the electric wire end I, the electric wire end II and the refrigerating piece are arranged on the conduction assembly, and the electric wire end I is enabled to be displaced through displacement of the ball rod I so as to start and stop the refrigerating piece.

Preferably, the shell on a plurality of electrical component seat of fixed connection, the shell on fixed connection partition board, one side of partition board on be close to the door be provided with a plurality of ventilative pore channels, fixed connection cooling tube on the partition board, the cooling tube laminating electrical component seat place, the one side fixed connection backup pad of keeping away from the door on the partition board, the one side of keeping away from the door on the shell sets up a plurality of exhaust ducts.

Preferably, the shell on fixed connection magnet, the counter weight pendulum rod of rotation connection on the shell, the counter weight pendulum rod on be provided with a plurality of teeth, the shell on rotate and connect axis of rotation I, axis of rotation I on fixed connection gear I and a ratchet group, gear I and the tooth meshing on the counter weight pendulum rod.

Preferably, the shell on rotate and connect axis of rotation II, axis of rotation II other end fixed connection crank, axis of rotation II and backup pad rotate and be connected, fixed connection cam, gear II, triangular lug on axis of rotation II, ratchet group and gear II meshing, fixed connection fixture block on the cam, the backup pad on rotate and connect and hold power spring holder I, hold power spring holder I on fixed connection holds power spring, hold power spring other end fixed connection on holding power spring holder II, hold power spring holder II and rotate and connect on the crank.

Preferably, the support plate is fixedly connected with a fixed shaft II, the other end of the fixed shaft II is fixedly connected with the shell, and the fixed shaft II is rotationally connected with a rotary support III, a rotary support I and a rotary support V; the rotary support III is connected with the rotary support V through a torsion spring, a supporting rod is fixedly connected to the supporting plate, a swinging rod is rotatably connected to the supporting rod, one end ball pair of the swinging rod, which is close to the ratchet group, is connected with a ball rod I, and the other end ball pair of the swinging rod is connected with a ball rod II; the utility model discloses a ball arm, including the backup pad, the backup pad on fixed axle I, fixed axle I on rotate to be connected and rotate and support IV, rotate and support II and be connected with ball arm I rotation, rotate and support IV and ball arm II rotation, ball arm II and connecting rod II rotation be connected, connecting rod II and rotate and support III rotation to be connected, ball arm I and connecting rod I rotate to be connected, connecting rod I rotates with to be connected with rotation support I.

Preferably, the backup pad on rotate and connect axis of rotation III, the axis of rotation III other end rotate and connect on the shell, one side fixed connection fixed lug II that is close to the backup pad on the axis of rotation III, opposite side fixed connection fixed lug I, axis of rotation III on articulated connecting rod IV, connecting rod IV other end articulated connecting rod III, connecting rod III other end fixed connection spring II, spring II other end fixed connection is in the backup pad, connecting rod III rotate and connect in the backup pad, connecting rod III be close to the one end ball pair of connecting rod IV and link the insulator spindle, the shell on fixed connection circuit support, fluid buffer rod, insulator spindle and circuit support sliding connection, fixed connection electric wire end I on the insulator spindle, fixed connection electric wire end II on the circuit support, electric wire end II are connected to on the refrigeration piece.

Preferably, the shell on fixed connection inlay the seat, inlay and to inlay a last fixed connection fluid pipe, be close to on the fluid pipe and inlay the one end sliding connection slide bar of seat, keep away from the one end sliding connection hydraulic block of inlaying the seat, hydraulic block and the I fixed connection of club, inlay on the seat sliding connection slide bar, fixed connection spring III on the slide bar, the III other end fixed connection of spring is on inlaying the seat, inlay on the seat and rotate and connect a set of expansion baffle, be provided with the torsional spring between expansion baffle and the embedding seat.

Preferably, the partition plate on fixed connection mount, motor support, sliding connection carriage on the mount, fixed connection spring I on the carriage, spring I other end fixed connection is on the mount, one end fixed connection displacement piece on the carriage, the displacement piece on rotate and connect gear IV, gear III, gear IV and gear III meshing, motor support on fixed connection motor, rotate the connecting pin axle, gear III and motor sliding connection, gear IV and round pin axle swing joint, the one end that the round pin axle kept away from gear IV is provided with the pump, the shell on rotate and set up fan I, fan II, gear shaft and gear IV intermittent type meshing, fan I and fan II are connected through belt II, fan I and gear shaft pass through belt I and are connected.

Compared with the prior art, the utility model has the beneficial effects that: (1) According to the maintenance-free power distribution cabinet, the counterweight swing rod is arranged to be matched with the magnet, the automatic start-stop heat dissipation function is achieved by utilizing the influence of temperature on the magnetism of the magnet, and the maintenance-free power distribution cabinet is simple and quick and does not need personnel to operate; (2) According to the maintenance-free power distribution cabinet, the triangular convex blocks, the fixed convex blocks II and the rotary support V are arranged to realize stable starting of the refrigerating piece, so that the error stopping is prevented, and the stability of the device is improved; (3) According to the maintenance-free power distribution cabinet, the maintenance component is arranged, so that refrigeration cannot be stopped due to slight temperature drop during refrigeration, and the maintenance-free power distribution cabinet can be stopped only after the temperature drops to an ideal value, and the stability of the device is further improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the present utility model (front view angle).

Fig. 3 is a schematic diagram of the internal structure of the present utility model (rear view angle).

Fig. 4 is a schematic diagram of a partial structure of the present utility model.

Fig. 5 is a schematic diagram of a partial structure of the present utility model.

Fig. 6 is an enlarged schematic view of a portion of fig. 5 at a.

Fig. 7 is a schematic diagram of a trigger assembly.

Fig. 8 is a partially enlarged schematic view of fig. 7 at B.

Fig. 9 is an enlarged partial schematic view at C in fig. 7.

Fig. 10 is a schematic view of a partial structure of the trigger assembly.

Fig. 11 is a schematic diagram of the triangle bump and the fixing bump.

Fig. 12 is a schematic view of a retaining assembly.

Fig. 13 is a schematic sectional view of the insert seat.

Fig. 14 is a schematic diagram of a partial structure of a switching component.

Fig. 15 is a schematic diagram of a partial structure of the switching component.

Fig. 16 is a schematic diagram of the structure of the fan i and the fan ii.

Reference numerals: 2-triggering the assembly; 3-a switching component; a 4-pass assembly; 5-a holding assembly; 101-a housing; 102-gate; 103-an electrical component seat; 104-an exhaust passage; 105-cooling tube; 106-partitioning plates; 107-supporting plates; 201-a power spring; 202-a counterweight swing rod; 203-a force accumulating spring seat I; 204-a force accumulating spring seat II; 205-crank; 206, swinging the rod; 207-cue I; 208-magnet; 209-rotation axis I; 210-gear I; 211-ratchet groups; 212-a rotation shaft II; 213-cams; 214-a rotary support I; 215-a triangular pin; 216-clamping blocks; 217-gear II; 218-fixed shaft I; 219-a rotary support II; 220-connecting rod I; 221-supporting rods; 222-rotating support iii; 223-fixed shaft II; 224-axis of rotation III; 225-fixing convex blocks I; 226-connecting rod II; 227-a rotational support IV; 228-club II; 229-triangular bumps; 230-fixing the convex block II; 231-rotating support v; 301-a fan I; 302-fan II; 303—a carriage; 304-a fixing frame; 305-spring I; 306-displacement sheet; 307-gear III; 308-motor; 309-gear iv; 310-pin shaft; 311-gear shaft; 312-belt I; 313-motor bracket; 314-belt II; 401-an oil buffer rod; 402-line brackets; 403-spring II; 404-connecting rod iii; 405-connecting rod IV; 406-insulating rod; 407-wire end I; 408-wire ends II; 409-a refrigeration piece; 501-an oil pipe; 502-a hydraulic block; 503-embedding a seat; 504-slide bar; 505-spring iii; 506-telescoping shield.

Detailed Description

The technical scheme of the utility model is further described below by means of specific embodiments in combination with the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Examples: as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 10, a group of doors 102 are installed on a housing 101, a plurality of electrical component seats 103 are fixedly connected to the housing 101, a partition plate 106 is fixedly connected to the housing 101, a plurality of ventilation holes are formed in one side, close to the doors 102, of the partition plate 106, a cooling pipe 105 is fixedly connected to the partition plate 106, the cooling pipe 105 is attached to the electrical component seats 103 and placed, a closed loop is formed by the cooling pipe 105 penetrating through a refrigerating element 409, one side, far away from the doors 102, of the partition plate 106 is fixedly connected to a supporting plate 107, a plurality of exhaust passages 104 are formed in one side, far away from the doors 102, of the housing 101, a plurality of exhaust holes are also formed in the joint of the housing 101 and the refrigerating element 409 to provide for heat dissipation of the refrigerating element 409, and when the refrigerating element 409 works, the cooling pipe 105 can be cooled, so that cooling liquid in the cooling pipe 105 cools the electrical component seats 103 when flowing.

As shown in fig. 5-11, the trigger assembly 2 is provided with a magnet 208, the magnet 208 is fixedly connected with the housing 101, the housing 101 is rotatably connected with a counterweight swing rod 202, the counterweight swing rod 202 is provided with a plurality of teeth, the housing 101 is rotatably connected with a rotation shaft i 209, the rotation shaft i 209 is fixedly connected with a gear i 210 and a ratchet group 211, the gear i 210 is meshed with the teeth on the counterweight swing rod 202, the housing 101 is rotatably connected with a rotation shaft ii 212, the other end of the rotation shaft ii is fixedly connected with a crank 205, the rotation shaft ii 212 is rotatably connected with the support plate 107, the rotation shaft ii 212 is fixedly connected with a cam 213, a gear ii 217 and a triangular bump 229, the ratchet group 211 is meshed with the gear ii 217, the cam 213 is fixedly connected with a clamping block 216, the support plate 107 is rotatably connected with a power storage spring seat i 203, the power spring 201 is fixedly connected to the power spring seat I203, the other end of the power spring 201 is fixedly connected to the power spring seat II 204, the power spring seat II 204 is rotationally connected to the crank 205, the power spring seat II 204 is not arranged on a straight line formed by the center of the power spring seat I203 and the axis of the rotating shaft II 212, namely, the power spring 201 is not in a vertical state, at the moment, the power spring 201 has a force which enables the power spring seat II 204 to be close to the power spring seat I203 and simultaneously far away from the rotating shaft III 224, the support plate 107 is fixedly connected with the fixed shaft II 223, the other end of the fixed shaft II 223 is fixedly connected with the shell 101, and the fixed shaft II 223 is rotationally connected with the rotating support III 222, the rotating support I214 and the rotating support V231; the rotating support III 222 is connected with the rotating support V231 through a torsion spring, a supporting rod 221 is fixedly connected to the supporting plate 107, a swinging rod 206 is rotatably connected to the supporting rod 221, one end ball pair of the swinging rod 206, which is close to the ratchet group 211, is connected with a ball rod I207, and the other end ball pair is connected with a ball rod II 228; the supporting plate 107 is fixedly connected with a fixed shaft I218, the fixed shaft I218 is rotationally connected with a rotational support IV 227 and a rotational support II 219, the rotational support II 219 is rotationally connected with a ball rod I207, the rotational support IV 227 is rotationally connected with a ball rod II 228, the ball rod II 228 is rotationally connected with a connecting rod II 226, the connecting rod II 226 is rotationally connected with a rotational support III 222, the ball rod I207 is rotationally connected with a connecting rod I220, the connecting rod I220 is rotationally connected with a rotational support I214, the supporting plate 107 is rotationally connected with a rotational shaft III 224, the other end of the rotational shaft III 224 is rotationally connected with a shell 101, one side of the rotational shaft III 224, which is close to the supporting plate 107, is fixedly connected with a fixed bump II 230, the other side is fixedly connected with a fixed bump I225, a connecting rod IV 405 is arranged on the conducting component 4, the rotation axis III 224 is articulated with the connecting rod IV 405, connecting rod III 404 is articulated to the other end of connecting rod IV 405, connecting rod III 404 other end fixed connection spring II 403, spring II 403 other end fixed connection is in backup pad 107, connecting rod III 404 rotates to be connected in backup pad 107, connecting rod III 404 is close to connecting rod IV 405's one end ball pair and links insulator spindle 406, fixed connection circuit support 402 on the shell 101, fluid buffer rod 401, insulator spindle 406 and circuit support 402 sliding connection, fixed connection electric wire end I407 on the insulator spindle 406, fixed connection electric wire end II 408 on the circuit support 402, electric wire end II 408 is connected to the refrigeration piece 409, make counter weight pendulum rod 202 start the motion through the influence of temperature to magnet 208.

As shown in fig. 2, 8, 12 and 13, an embedding seat 503 is provided on the holding component 5, the embedding seat 503 is fixedly connected with the housing 101, an oil pipe 501 is fixedly connected to the embedding seat 503, one end of the oil pipe 501 close to the embedding seat 503 is slidably connected with a sliding rod 504, one end far away from the embedding seat 503 is slidably connected with a hydraulic block 502, the hydraulic block 502 is fixedly connected with a ball rod i 207, the sliding rod 504 is slidably connected with the embedding seat 503, a spring iii 505 is fixedly connected to the sliding rod 504, the other end of the spring iii 505 is fixedly connected to the embedding seat 503, a set of telescopic baffle plates 506 are rotatably connected to the embedding seat 503, a torsion spring is provided between the telescopic baffle plates 506 and the embedding seat 503, and the movement of the triangular pin 215 triggers the sliding rod 504 to move so as to drive the ball rod i 207 to move.

As shown in fig. 14-16, a fixed frame 304 is provided on the switching component 3, a fixed frame 304 is fixedly connected to the partition plate 106, a sliding frame 303 is slidingly connected to the fixed frame 304, a spring i 305 is fixedly connected to the sliding frame 303, the other end of the spring i 305 is fixedly connected to the fixed frame 304, a displacement plate 306 is fixedly connected to one end of the sliding frame 303, a gear iv 309 and a gear iii 307 are rotatably connected to the displacement plate 306, the gear iv 309 is meshed with the gear iii 307, a motor bracket 313 is fixedly connected to the partition plate 106, a motor 308 is fixedly connected to the motor bracket 313, a rotary connecting pin 310 is rotatably connected to the gear iii 307, a pump is provided at one end of the pin 310 away from the gear iv 309, the pump is placed in the cooling tube 105, for driving cooling fluid in the cooling tube 105, a pin is provided at one end of the pin 310 away from the motor 308, when the gear iv 309 is meshed with the gear 311, the gear iv 309 is rotatably connected to the pin 310, that is not meshed with the pin 310, when the gear iv 309 is meshed with the pin 310, the gear iv 309 is meshed with the pin 311, the gear ii is rotated along with the gear iv 309, the gear 309 is meshed with the gear shaft 311, the gear 309 is separated from the gear shaft 311, the gear iv is meshed with the gear 311, the gear is meshed with the gear ii, and the gear 309 is meshed with the gear 311, and is meshed with the gear ii, and is meshed with the gear i.e..

Working principle: when the temperature inside the shell 101 rises, the temperature weakens the magnetism of the magnet 208, under the influence of the gravity of the balance weight swing rod 202, when the temperature reaches a critical value, the balance weight swing rod 202 leaves the magnet 208, the balance weight swing rod 202 drives the gear I210 to rotate, the gear II 217 cannot rotate due to the ratchet group 211, when the triangular pin 215 on the balance weight swing rod 202 slides into the embedded seat 503, the telescopic baffle 506 contracts, the triangular pin 215 passes through the telescopic baffle 506 to overcome the elastic force of the spring III 505 to press the sliding rod 504, the sliding rod 504 is pressed to move, the balance weight swing rod 202 stops moving due to reaching the balance point after the pressing displacement, the displacement of the sliding rod 504 enables the oil in the oil pipe 501 to press the hydraulic block 502 to displace, the hydraulic block 502 drives the ball rod I207 to displace downwards, the displacement of the ball rod I207 enables the rotary support II 219 to rotate by a certain angle, the ball I207 displaces downwards so that the ball rod II 228 moves upwards, the club II 228 moves upwards to enable the connecting rod II 226 to drive the rotating support III 222 to rotate a certain angle, since the rotating support V231 is pressed on the triangular convex block 229 at the moment, the triangular convex block 229 abuts against the fixed convex block II 230, namely, the triangular convex block 229 does not move, the rotating support V231 does not rotate at the moment, the torsion spring between the rotating support V231 and the rotating support III 222 balances the displacement of the rotating support III 222, meanwhile, the connecting rod I220 driven by the club I207 drives the rotating support I214 to rotate a certain angle, the rotating support I214 does not clamp the clamping block 216 any more at the moment, the rotating shaft II 212 starts to rotate due to the acting force of the power accumulating spring 201, the cam 213 starts to press the fixed convex block I225 to enable the rotating shaft III 224 to rotate, the rotating shaft III 224 rotates to drive the fixed convex block II 230 to rotate, and when the fixed convex block 230 II rotates to be out of engagement with the triangular convex block 229, the torsion spring between the rotating support V231 and the rotating support III 222 causes the rotating support V231 to press the triangular lug 229, the triangular lug 229 starts to rotate a certain angle at the moment and then presses the fixed lug II 230, the rotation of the rotating shaft III 224 drives the connecting rod IV 405 to overcome the elastic force of the spring II 403 to press one end of the insulating rod 406 mounted on the connecting rod III 404, the insulating rod 406 is attached to the wire end II 408 with the wire end I407, the power supply of the refrigerating piece 409 starts to work at the moment, the cam 213 does not press the fixed lug I225 after continuing to rotate, the force accumulating spring 201 returns to the normal state at the moment, and the spring II 403 has the force for resetting the fixed lug II 230, but the triangular lug 229 presses the fixed lug II 230, so the fixed lug II 230 cannot rotate, and the refrigerating piece 409 works stably at the moment; the step of returning to the displacement of the ball arm I207 to enable the rotary support II 219 to rotate for a certain angle is synchronously carried out, when the rotary support II 219 rotates, the elastic force of the spring I305 is overcome to drive the sliding frame 303 to displace, after the sliding frame 303 displaces, the displacement sheet 306 is driven to displace, the displacement sheet 306 drives the gear IV 309 to be embedded with a pin on the pin shaft 310, the embedded gear shaft 311 loses power, namely the fan I301 and the fan II 302 do not rotate any more, external air is not extracted from the shell 101, at the moment, the power is from the motor 308 to the gear III 307, the gear III 307 to the gear IV 309, the gear IV 309 to the pin shaft 310, the pump on the pin shaft 310 enables cooling liquid in the cooling pipe 105 to flow, the cooling pipe 105 is cooled through the refrigerating piece 409, and the cooling pipe 105 cools the electric element seat 103 to achieve the purpose of integral cooling.

When the temperature drops, the magnetic force of the magnet 208 starts to rise, the counterweight swing rod 202 starts to be attracted, as the torsion spring is arranged between the telescopic baffle 506 and the embedded seat 503, the force of the torsion spring needs to be overcome when the triangular pin 215 withdraws from the embedded seat 503, as the attraction force of the magnet 208 is large enough when the temperature drops, the magnet 208 attracts the counterweight swing rod 202 to overcome the force of the torsion spring between the telescopic baffle 506 and the embedded seat 503, the triangular pin 215 pushes away the telescopic baffle 506 to move out, at the moment, the slide rod 504 is reset under the action of the spring III 505, the ball rod I207 moves upwards, the ball rod II 228 moves downwards, the ball rod I207 moves upwards to reset the rotary support I214 and the sliding frame 303, after the sliding frame 303 resets, the fan I301 and the fan II 302 start to work again, the pin shaft 310 stops rotating, the cooling liquid in the cooling tube 105 does not flow any more, the ball rod II 228 moves downwards to enable the rotary support V231 to rotate and press the triangular bump 229, the triangular bump II 230 is pushed by the fixed bump II 230 under the action of the spring II 403, the fixed bump II 230 starts to rotate, the rotating shaft III 224 begins to reset wire I is reset wire end socket 401 to be far away from the buffer element 409, and the buffer element is reset wire I stops working, and the heat is released from the external device 101, and the external heat is exchanged; meanwhile, when the balance weight swing rod 202 is attracted by the magnet 208 to move, the balance weight swing rod 202 drives the gear I210 to rotate, at the moment, the ratchet group 211 also starts to rotate, the ratchet group 211 drives the gear II 217 to rotate, the gear II 217 rotates to stretch the power storage spring 201 to finish power storage, and then the clamping block 216 on the cam 213 presses the rotating support I214 again, so that a working cycle is finished.

The present utility model is not limited to the above-described embodiments, and various modifications are possible within the scope of the present utility model without inventive labor, as those skilled in the art will recognize from the above-described concepts.

Claims

1. The utility model provides a maintenance-free switch board, includes shell (101), door (102), its characterized in that: the shell (101) is provided with a triggering component (2), a switching component (3), a conducting component (4) and a holding component (5); the trigger assembly (2) is provided with a balance weight swing rod (202), a magnet (208), a ball rod I (207) and a triangular pin (215), the triangular pin (215) is fixedly connected to the balance weight swing rod (202), the swing of the balance weight swing rod (202) is controlled through the magnet (208), the retaining assembly (5) is provided with a sliding rod (504), the triangular pin (215) is intermittently matched with the sliding rod (504), the ball rod I (207) is enabled to be displaced through displacement of the sliding rod (504), the switching assembly (3) is provided with a gear IV (309), a pin shaft (310) and a gear shaft (311), the ball rod I (207) is matched with the gear IV (309), and the gear IV (309) is matched with the pin shaft (310) and the gear shaft (311) respectively; the conducting assembly (4) is provided with an electric wire end I (407), an electric wire end II (408) and a refrigerating piece (409), and the electric wire end I (407) is displaced through displacement of the ball rod I (207) so as to start and stop the refrigerating piece (409);

the electric appliance comprises a shell (101), a plurality of electric appliance element seats (103) are fixedly connected to the shell (101), a partition plate (106) is fixedly connected to the shell (101), a plurality of ventilation holes are formed in one side, close to a door (102), of the partition plate (106), a cooling pipe (105) is fixedly connected to the partition plate (106), the cooling pipe (105) is attached to the electric appliance element seats (103) and is placed, one side, far away from the door (102), of the partition plate (106) is fixedly connected with a supporting plate (107), and a plurality of exhaust passages (104) are formed in one side, far away from the door (102), of the shell (101);

the device is characterized in that a magnet (208) is fixedly connected to the shell (101), a balance weight swing rod (202) is rotatably connected to the shell (101), a plurality of teeth are arranged on the balance weight swing rod (202), a rotating shaft I (209) is rotatably connected to the shell (101), a gear I (210) and a ratchet group (211) are fixedly connected to the rotating shaft I (209), and the gear I (210) is meshed with the teeth on the balance weight swing rod (202);

the novel energy-saving device is characterized in that a rotating shaft II (212) is rotationally connected to the shell (101), the other end of the rotating shaft II (212) is fixedly connected with a crank (205), the rotating shaft II (212) is rotationally connected with a supporting plate (107), a cam (213), a gear II (217) and a triangular lug (229) are fixedly connected to the rotating shaft II (212), a ratchet wheel set (211) is meshed with the gear II (217), a clamping block (216) is fixedly connected to the cam (213), a force storage spring seat I (203) is rotationally connected to the supporting plate (107), a force storage spring (201) is fixedly connected to the force storage spring seat I (203), the other end of the force storage spring (201) is fixedly connected to a force storage spring seat II (204), and the force storage spring seat II (204) is rotationally connected to the crank (205);

the fixed shaft II (223) is fixedly connected to the supporting plate (107), the other end of the fixed shaft II (223) is fixedly connected with the shell (101), and the fixed shaft II (223) is rotatably connected with the rotary support III (222), the rotary support I (214) and the rotary support V (231); the rotary support III (222) is connected with the rotary support V (231) through a torsion spring, the support plate (107) is fixedly connected with a support rod (221), the support rod (221) is rotationally connected with a swinging rod (206), one end ball pair of the swinging rod (206) close to the ratchet group (211) is linked with a ball rod I (207), and the other end ball pair is linked with a ball rod II (228); the ball rod is characterized in that a fixing shaft I (218) is fixedly connected to the supporting plate (107), a rotating support IV (227) and a rotating support II (219) are rotatably connected to the fixing shaft I (218), the rotating support II (219) is rotatably connected with a ball rod I (207), the rotating support IV (227) is rotatably connected with a ball rod II (228), the ball rod II (228) is rotatably connected with a connecting rod II (226), the connecting rod II (226) is rotatably connected with a rotating support III (222), the ball rod I (207) is rotatably connected with a connecting rod I (220), and the connecting rod I (220) is rotatably connected with the rotating support I (214);

the utility model provides a refrigeration system, including backup pad (107) on rotate connect axis of rotation III (224), axis of rotation III (224) other end rotate connect on shell (101), one side fixed connection fixed lug II (230) that is close to backup pad (107) on axis of rotation III (224), opposite side fixed connection fixed lug I (225), axis of rotation III (224) on articulated connecting rod IV (405), connecting rod IV (405) other end articulated connecting rod III (404), connecting rod III (404) other end fixed connection spring II (403), spring II (403) other end fixed connection is on backup pad (107), connecting rod III (404) rotate connect on backup pad (107), connecting rod III (404) be close to one end ball pair link insulator spindle (406) of connecting rod IV (405), shell (101) on fixed connection circuit support (402), fluid buffer rod (401), insulator spindle (406) and circuit support (402) sliding connection, fixed connection wire end I (407) on the circuit support (402) on fixed connection end II (408) are connected to refrigeration piece (409);

the shell (101) is fixedly connected with the embedded seat (503), the embedded seat (503) is fixedly connected with the oil pipe (501), one end of the oil pipe (501) close to the embedded seat (503) is connected with the sliding rod (504) in a sliding manner, one end of the oil pipe (501) far away from the embedded seat (503) is connected with the hydraulic block (502) in a sliding manner, the hydraulic block (502) is fixedly connected with the ball rod I (207), the embedded seat (503) is connected with a sliding rod (504) in a sliding manner, a spring III (505) is fixedly connected to the sliding rod (504), the other end of the spring III (505) is fixedly connected to the embedded seat (503), a group of telescopic baffles (506) are rotatably connected to the embedded seat (503), and a torsion spring is arranged between the telescopic baffles (506) and the embedded seat (503);

the partition board (106) on fixed connection mount (304), motor support (313), fixed connection carriage (303) on mount (304), fixed connection spring I (305) on carriage (303), spring I (305) other end fixed connection is on mount (304), one end fixed connection displacement piece (306) on carriage (303), displacement piece (306) on rotate and connect gear IV (309), gear III (307), gear IV (309) and gear III (307) meshing, motor support (313) on fixed connection motor (308), rotate connecting pin (310), gear III (307) and motor (308) sliding connection, gear IV (309) and round pin axle (310) swing joint, the one end that round pin axle (310) kept away from gear IV (309) is provided with the pump, shell (101) on rotate and set up fan I (301), fan II (302), gear axle (311) and gear IV (309) intermittent type, fan I (301) are connected through belt II (314), fan I (301) and belt I (311) are connected through belt I (312).