CN114825106B

CN114825106B - An intelligent ring network cabinet with automatic power-off function

Info

Publication number: CN114825106B
Application number: CN202210632844.2A
Authority: CN
Inventors: 黄春铃; 张振忠
Original assignee: Sevenstars Electric Co ltd
Current assignee: Sevenstars Electric Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2025-08-05
Anticipated expiration: 2042-06-06
Also published as: CN114825106A

Abstract

The present invention relates to an intelligent ring network cabinet with a fault-automatic power-off function, comprising a ring network cabinet body, a wiring board provided inside the ring network cabinet body, nine short-circuit circuit breakers provided on the front of the wiring board, insulating handles provided inside the short-circuit circuit breakers, and a lifting mechanism provided on the lower surface of the ring network cabinet body for adjusting the height of the ring network cabinet body. The intelligent ring network cabinet with a fault-automatic power-off function controls the distance between the lower surface of the ring network cabinet body and the ground by lifting the floor with a second driving rod, and moving the bottom plate upward to pull the support rod out from the inside of the sleeve rod, thereby effectively preventing the intrusion of ground moisture, protecting the electronic components inside the ring network cabinet body, and increasing their service life. By providing an alarm above each short-circuit circuit breaker, when one of the alarms sounds, it means that the circuit breaker below the alarm is in a disconnected state, thereby quickly locating the disconnected short-circuit circuit breaker.

Description

Intelligent ring main unit with automatic fault power-off function

Technical Field

The invention relates to the technical field of ring main units, in particular to an intelligent ring main unit with a fault automatic power-off function.

Background

The ring main unit is an electric device with a group of power transmission and distribution electric equipment arranged in a metal or nonmetal insulating cabinet body or made into an assembled spacing ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is widely applied to power distribution stations and box-type substations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like.

Based on the above, the Chinese patent publication No. (CN 114400509A) is an energy-saving ring main unit with an automatic heat dissipation function, which comprises a main unit body, wherein a first cabinet door and a second cabinet door are arranged on the main unit body, a heat dissipation opening is formed in the first cabinet door, and a heat dissipation fan is fixedly arranged on the inner wall of the first cabinet door. The invention relates to an energy-saving ring main unit with an automatic heat dissipation function, which belongs to the field of ring main units, a dustproof structure can effectively prevent dust, ensure the normal operation of internal elements of the ring main unit, adopt a rotating frame and a rotating seat, rotate the rotating frame, ensure that dust can not enter the ring main unit during ash removal, place articles such as maintenance tools and the like during maintenance through a placement structure, facilitate the use of nearby staff, and meanwhile, the placement structure can be placed in a storage way, does not occupy redundant space when not in use, adopts a support frame, can ensure the stability of a sliding plate when in use, does not influence the normal storage of the sliding plate when not in use, can be detached and is convenient to replace, the energy-saving ring main unit with the automatic heat dissipation function effectively prevents dust by arranging the dust screen, but the heat dissipation fan can extract outside water molecules to the inside of the ring main unit when working, and the dust screen is required to be detached, so that the ring main unit can not be timely positioned to disconnect a certain space after the fault disconnection occurs in the space, and moisture which is in contact with the ground for a long time can also invade the inside of the ring main unit, thereby causing the inside of the ring main unit to be moist, and the normal work of the internal elements of the ring main unit can be influenced when the inside water molecules reach a certain degree.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the intelligent ring main unit with the fault automatic power-off function, which has the advantages of adjusting the height of the ring main unit, and solves the problem that moisture contacting the ground in time can invade the interior of the ring main unit.

The intelligent ring main unit with the fault automatic power-off function comprises a ring main unit body, wherein a flat cable plate is arranged in the ring main unit body, nine short circuit unopened short circuit operation units are arranged on the front surface of the flat cable plate, an insulating handle is arranged in the short circuit unopened short circuit operation units, a lifting mechanism for adjusting the height of the ring main unit body is arranged on the lower surface of the ring main unit body, a heat dissipation mechanism for dissipating heat of the ring main unit body is arranged on the right side of the ring main unit body, and an alarm mechanism for monitoring the short circuit unopened short circuit operation is arranged on the right side wall of an inner cavity of the ring main unit body;

The lifting mechanism comprises a bottom plate fixed on the lower surface of the ring main unit body, an installation frame is fixed on the upper surface of the bottom plate, an electric push rod positioned on the back of the winding displacement plate is fixed in the installation frame, a connecting plate is fixed on the outer side of an output shaft of the electric push rod, first driving rods are hinged to the left side and the right side of the lower surface of the connecting plate through hinge shafts, installation seats are hinged to one ends, far away from the connecting plate, of the two first driving rods through hinge shafts, second driving rods are hinged to the inner parts of the two installation seats through hinge shafts, a cabin body is sleeved on the outer side of the bottom plate, and sliding strips are fixed on the bottom wall of an inner cavity of the cabin body;

The utility model provides a ring main unit, including the connecting pipe of intercommunication in ring main unit body left side, the inside of connecting pipe is fixed with cooling fan, ring main unit body inner chamber's right side wall intercommunication has the air-supply line, the inside baffle that is fixed with of air-supply line, the right side laminating of baffle has the activity at the inside dehumidification layer of air-supply line, the right side laminating of dehumidification layer has the activity at the inside dust screen of air-supply line, the outside cover of air-supply line is equipped with the dismantlement lid, the right side wall of dismantlement lid inner chamber is fixed with the spring that is two and laminate in the dust screen right side, the outside of dismantlement lid is fixed with the joint piece that is four in quantity, the right side of ring main unit body is fixed with the cover and is dismantling the joint seat in the lid outside.

Further, the lifting mechanism further comprises a supporting rod fixed on the lower surface of the bottom plate, and a loop bar fixed on the bottom wall of the inner cavity of the cabin body is sleeved outside the supporting rod.

Further, the lower surfaces of the two mounting seats are respectively fixed with a convex block, and the inside of the sliding strip is provided with a convex groove which is used for the two convex blocks to move and is in clearance fit with the two convex blocks.

Further, the lower surface of the cabin body is fixedly provided with four moving wheels, and the shape of the cabin body is a cuboid with a hollow interior and a missing upper surface.

Further, the right side wall of the inner cavity of the clamping seat is provided with a positioning groove for the insertion of the four clamping blocks, and the inside of the clamping seat is provided with an interlayer for the rotation of the four clamping blocks.

Further, the right side wall of the inner cavity of the detachable cover is provided with at least two inclined holes, and the dehumidifying layer is an active carbon layer.

Further, the shape of baffle is annular, the air exit has been seted up to the left side wall of looped netowrk cabinet body inner chamber and the right-hand member that is located the connecting pipe.

Further, alarm mechanism is including fixing the power stake at looped netowrk cabinet body inner chamber left side wall, the anodal end welding of power stake has first wire, the one end electric connection that the power stake was kept away from to first wire has the positive alarm of fixing at the winding displacement board, the inside electric connection of alarm has the second wire, the one end welding that the alarm was kept away from to the second wire has the positive first conducting block of fixing at insulating handle, the welding of power stake negative pole end has the third wire, the one end welding that the power stake was kept away from to the third wire has the positive second conducting block of fixing at the short circuit sky to open.

Further, the outside of first wire and third wire all welds and has connecting wire, and with two alarm electric connection on right side, first conductive block and second conductive block are the brass piece.

Furthermore, the rated voltage of the power supply piles is not more than twenty-four volts, the number of the power supply piles is three, and the power supply piles are uniformly distributed on the left side wall of the inner cavity of the ring main unit body

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this intelligent looped netowrk cabinet with trouble auto-power-off function jack-ups the floor through the second actuating lever, the bottom plate upwards moves and pulls out the bracing piece from the inside of loop bar to come control looped netowrk cabinet body lower surface and the distance on ground, the effectual invasion of avoiding ground moisture, the inside electronic component of protection looped netowrk cabinet body increases its life, through setting up an alarm in the top of every short circuit unopened, mean that the unopened of alarm below is in the disconnected state after one of them alarm rings up, thereby quick location to the empty unopened of short circuit of disconnection, the maintenance personnel of being convenient for judge and maintain the trouble.

2. This intelligent looped netowrk cabinet with trouble auto-power-off function, thereby through the air inlet end and the connecting pipe intercommunication of radiator fan with the inside heat of looped netowrk cabinet body draw, and discharge the hot air to external from radiator fan's air-out end, accomplish the radiating effect to the looped netowrk cabinet body promptly, through taking off the dismantlement lid from the outside of air-supply line moreover, can dismantle inside dust screen and dehumidification layer to the dismantlement to dust screen and dehumidification layer has been accomplished.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a lifting mechanism according to the present invention;

FIG. 3 is a schematic diagram of a heat dissipating mechanism according to the present invention;

FIG. 4 is a schematic view of a connection structure between a fastening base and a detachable cover according to the present invention;

FIG. 5 is a schematic diagram of an alarm mechanism of the present invention;

FIG. 6 is a schematic diagram of an alarm mechanism mounting circuit of the present invention.

In the figure, a ring main unit body 1, a flat cable board 2, a short circuit free switch 3, a lifting mechanism 4, a bottom plate 401, an electric push rod 402, a mounting frame 403, a connecting plate 404, a first driving rod 405, a mounting seat 406, a second driving rod 407, a cabin 408, a sliding strip 409, a supporting rod 410, a loop bar 411, a heat dissipation mechanism 5, a connecting pipe 501, a heat dissipation fan 502, an air inlet pipe 503, a baffle 504, a dehumidification layer 505, a dustproof net 506, a disassembly cover 507, a spring 508, a clamping block 509, a clamping seat 510, a warning mechanism 6, a power pile 601, a first lead 602, a warning device 603, a second lead 604, a first conductive block 605, a third lead 606, a second conductive block 607 and an insulating handle 7.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, an intelligent ring main unit with an automatic fault power-off function in this embodiment includes a ring main unit body 1, a flat cable board 2 is disposed in the ring main unit body 1, the ring main unit body 1 is in the prior art, details are not provided here, a number of nine short-circuit open-circuits 3 are disposed on the front surface of the flat cable board 2, details are not provided here, an insulating handle 7 is disposed in the short-circuit open-circuits 3, a lifting mechanism 4 for adjusting the height of the ring main unit body 1 is disposed on the lower surface of the ring main unit body 1, a heat dissipation mechanism 5 for dissipating heat of the ring main unit body 1 is disposed on the right side of the ring main unit body 1, and an alarm mechanism 6 for monitoring the short-circuit open-circuits 3 is disposed on the right side wall of the inner cavity of the ring main unit body 1.

Referring to fig. 2, in order to play a role of lifting a ring main unit body 1, a lifting mechanism 4 in this embodiment includes a bottom plate 401 fixed on a lower surface of the ring main unit body 1, an installation frame 403 is fixed on an upper surface of the bottom plate 401, an electric push rod 402 located on a back surface of a flat cable 2 is fixed in an inner portion of the installation frame 403, a connecting plate 404 is fixed on an outer side of an output shaft of the electric push rod 402, first driving rods 405 are hinged to left and right sides of a lower surface of the connecting plate 404 through hinge shafts, one ends of the two first driving rods 405, far away from the connecting plate 404, are hinged to installation seats 406 through hinge shafts, the first driving rods 405 push the two installation seats 406 hinged to the first driving rods 405 to move back when moving, the two installation seats 406 drive bumps on the lower surface to move back in the inside of a convex groove, second driving rods 407 are hinged to the inner portions of the two installation seats 406 through hinge shafts, a cabin 408 is sleeved on an outer side of the bottom plate 401, the bottom plate 401 is movably in the cabin 408, and a sliding strip 409 is fixed on a bottom wall of an inner cavity of the cabin.

The lifting mechanism 4 further comprises a supporting rod 410 fixed on the lower surface of the bottom plate 401, a loop bar 411 fixed on the bottom wall of the cavity of the cabin 408 is sleeved outside the supporting rod 410, protruding blocks are fixed on the lower surfaces of the two mounting seats 406, protruding grooves for the two protruding blocks to move and be in clearance fit with the protruding blocks are formed in the sliding strips 409, the left side and the right side of the protruding grooves are in a closed state, the lower surface of the cabin 408 is fixedly provided with four moving wheels, the moving wheels are arranged on the lower surface of the cabin 408 to facilitate the movement of the whole ring main unit body 1, and the shape of the cabin 408 is a cuboid with hollow inside and a missing upper surface.

Therefore, in the lifting mechanism 4, the lifting mechanism 4 is mounted on the lower surface of the ring main unit body 1, and the bottom plate 401 is lifted up by the second driving rod 407, so that the distance between the lower surface of the ring main unit body 1 and the ground is controlled.

Referring to fig. 3-4, in order to play the roles of heat dissipation and convenient disassembly of the dust screen 506 and the dehumidifying layer 505, the heat dissipation mechanism 5 in this embodiment includes a connecting pipe 501 connected to the left side of the ring main unit body 1, a heat dissipation fan 502 is fixed inside the connecting pipe 501, the right side wall of the inner cavity of the ring main unit body 1 is connected to an air inlet pipe 503, a baffle 504 is fixed inside the air inlet pipe 503, an air dehumidifying layer 505 moving inside the air inlet pipe 503 is attached to the right side of the baffle 504, a dust screen 506 moving inside the air inlet pipe 503 is attached to the right side of the dehumidifying layer 505, the dust screen 506 and the dehumidifying layer 505 can filter air extracted into the ring main unit body 1 and adsorb internal wet air, a disassembly cover 507 is sleeved outside the air inlet pipe 503, a number of springs 508 attached to the right side of the inner cavity of the disassembly cover 507 are fixed outside the dust screen 506, a number of four clamping blocks 509 are fixed outside the disassembly cover 507, and a clamping seat 510 is fixed outside the ring main unit 1.

The constant head tank that supplies four joint pieces 509 to peg graft has been seted up to the right side wall of the inner chamber of joint seat 510, the intermediate layer that supplies four joint pieces 509 rotary motion has been seted up to the inside of joint seat 510, the inclined hole that is no less than two in quantity has been seted up to the right side wall of dismantling lid 507 inner chamber, the inclined hole is towards the direction on ground, the design of adopting the inclined hole can effectively avoid the water droplet to flow in, dehumidification layer 505 is the active carbon layer, adsorb the water wind in the air through the active carbon layer, the shape of baffle 504 is annular, the air exit has been seted up to the left side wall of looped netowrk cabinet body 1 inner chamber and the right-hand member that is located connecting pipe 501.

Therefore, in the heat dissipation mechanism 5, the air inlet end of the heat dissipation fan 502 is communicated with the connecting pipe 501, so that the heat inside the ring main unit body 1 is extracted, and the dust screen 506 and the dehumidification layer 505 inside the heat dissipation mechanism can be removed by removing the removal cover 507 from the outside of the air inlet pipe 503.

Referring to fig. 5-6, in order to perform alarm positioning, the alarm mechanism 6 in this embodiment includes a power pile 601 fixed on the left side wall of the inner cavity of the ring main unit body 1, a first wire 602 is welded at the positive end of the power pile 601, one end of the first wire 602, which is far away from the power pile 601, is electrically connected with an alarm 603 fixed on the front face of the flat cable 2, the alarm 603 is not described in detail herein for the prior art, a second wire 604 is electrically connected inside the alarm 603, one end of the second wire 604, which is far away from the alarm 603, is welded with a first conductive block 605 fixed on the front face of the insulating handle 7, a third wire 606 is welded at the negative end of the power pile 601, and a second conductive block 607 fixed on the front face of the short-circuit air-conditioner 3 is welded at one end of the third wire 606, which is far away from the power pile 601.

It should be noted that, the first conductive block 605 is attached to the second conductive block 607, so that the second conductive wire 604 is electrically connected to the third conductive wire 606, at this time, the power pile 601, the first conductive wire 602, the alarm 603, the second conductive wire 604 and the third conductive wire 606 form a loop, so that the alarm 603 can be powered, and meanwhile, the three alarms 603 in a row form a parallel loop by connecting the connecting wire with the second conductive wire 604 or the third conductive wire 606, so that a separate loop is formed after the first conductive block 605 and the second conductive block 607 above each short circuit air conditioner 3 are attached.

The outside of first wire 602 and third wire 606 all welds there is the connecting wire, and with two alarms 603 electric connection on the right side, through two connecting wires respectively in first wire 602 and third wire 606 electric connection, thereby make the alarm 603 in the middle form a solitary return circuit, the alarm 603 on the same way right side and two connecting wires electric connection, and the first electrically conductive piece 605 and the second electrically conductive piece 607 on the right side are the brass piece, the brass piece plays electrically conductive effect, the rated voltage of power stake 601 does not exceed twenty-four volts, the quantity of power stake 601 is three, and evenly distributed is at the left side wall of looped netowrk cabinet body 1 inner chamber.

The alarm mechanism 6 described above is provided with an alarm 603 above each of the short-circuited air switches 3, which means that the air switch below the alarm 603 is in an open state after one of the alarms 603 has sounded.

The working principle of the embodiment is as follows:

(1) Through the elevating system 4 of lower surface mounting at looped netowrk cabinet body 1 to come control looped netowrk cabinet body 1 lower surface and the distance on ground, concretely, the mode of use is, electric putter's 402 output shaft extension promotes connecting plate 404 and moves downwards, keep away from two first actuating lever 405 of connecting plate 404 one end when moving downwards through articulated effect connecting plate 404 and move dorsad, first actuating lever 405 promotes rather than articulated two mount pads 406 and moves dorsad when moving, two mount pads 406 drive the lug of lower surface and move dorsad in protruding groove's inside, simultaneously two second actuating levers 407 and the one end that mount pad 406 links move dorsad, when second actuating lever 407 moves dorsad, jack-up bottom plate 401 through second actuating lever 407, bottom plate 401 upwards moves and pulls out bracing piece 410 from the inside of loop bar 411, up-down treatment to looped netowrk cabinet body 1 has been accomplished up and down, and through setting up four removal wheels at cabin 408 lower surface and be convenient for the removal of whole looped netowrk cabinet body 1.

(2) When the ring main unit body 1 works, heat is generated, the air inlet end of the heat radiation fan 502 is communicated with the connecting pipe 501, the heat inside the ring main unit body 1 is extracted, and hot air is discharged to the outside from the air outlet end of the heat radiation fan 502, the dust screen 506 and the dehumidification layer 505 are arranged in the air inlet pipe 503, the air extracted to the inside of the ring main unit body 1 can be filtered and the inside wet air is adsorbed, the dryness of the inside of the ring main unit body 1 is effectively improved, the penetration of external dust is reduced, when the dust screen 506 and the dehumidification layer 505 need to be cleaned and replaced, the rotary disassembly cover 507 rotates, the four clamping blocks 509 outside the rotary disassembly cover 507 rotate in the interlayer inside the clamping seat 510, after the four clamping blocks 509 outside the disassembly cover 507 are moved rightwards through the elastic force action of the two springs 508, the clamping blocks 509 can be moved out of the inside of the positioning holes, then the disassembly cover is removed from the outside of the air inlet pipe 503, the inside of the ring main unit body 506 and the dehumidification layer 505 can be disassembled, and the dust screen 505 can be disassembled from the ring main unit body 1.

(3) When a certain short circuit idle switch 3 inside the ring main unit body 1 is tripped due to short circuit or line damage, at this time, a rubber handle inside the short circuit idle switch 3 is sprung down to drive the first conductive block 605 to move in an arc shape along the direction of the second conductive block 607, namely, after the first conductive block 605 is attached to the second conductive block 607, a closed loop is formed by the power pile 601, the first conductive wire 602, the second conductive wire 604, the alarm 603, the first conductive wire 602, the second conductive block 607 and the third conductive wire 606, at this time, through the effect of electric connection, after the insulating handle 7 of the short circuit idle switch 3 is sprung down, the power pile 601 can supply power to the alarm 603, and an alarm 603 is arranged above each short circuit idle switch 3, after one alarm 603 rings, the idle switch below the alarm 603 is in an open state, and three alarms 603 above the same row form a parallel circuit through the effect of electric connection, after each short circuit idle switch 3 is opened, the first conductive block 605 is driven to be contacted with the second conductive block 607, and a corresponding alarm 603 is enabled to form a single open and close loop, thereby the diagnosis of the short circuit is realized, and the diagnosis of the fault is fast and the fault is realized after the fault is fast and the fault is located.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The intelligent ring main unit with the automatic fault power-off function comprises a ring main unit body (1) and is characterized in that a wire arranging plate (2) is arranged in the ring main unit body (1), nine short circuit idle switches (3) are arranged on the front face of the wire arranging plate (2), an insulating handle (7) is arranged in the short circuit idle switches (3), a lifting mechanism (4) for adjusting the height of the ring main unit body (1) is arranged on the lower surface of the ring main unit body (1), a heat dissipation mechanism (5) for dissipating heat of the ring main unit body (1) is arranged on the right side of the ring main unit body (1), and an alarm mechanism (6) for monitoring the short circuit idle switches (3) is arranged on the right side wall of an inner cavity of the ring main unit body (1);

The lifting mechanism (4) comprises a bottom plate (401) fixed on the lower surface of the ring main unit body (1), an installation frame (403) is fixed on the upper surface of the bottom plate (401), an electric push rod (402) positioned on the back of the wire arranging plate (2) is fixed in the installation frame (403), a connecting plate (404) is fixed on the outer side of an output shaft of the electric push rod (402), first driving rods (405) are hinged to the left side and the right side of the lower surface of the connecting plate (404) through hinge shafts, mounting seats (406) are hinged to one ends, far away from the connecting plate (404), of the first driving rods (405) through hinge shafts, second driving rods (407) are hinged to the inner portions of the two mounting seats (406) through hinge shafts, a cabin body (408) is sleeved on the outer side of the bottom plate (401), and sliding strips (409) are fixed on the bottom wall of an inner cavity of the cabin body (409);

The utility model provides a cooling mechanism (5) is including intercommunication at connecting pipe (501) on looped netowrk cabinet body (1) left side, the inside of connecting pipe (501) is fixed with cooling fan (502), the right side wall intercommunication of looped netowrk cabinet body (1) inner chamber has air-supply line (503), inside baffle (504) that are fixed with of air-supply line (503), the right side laminating of baffle (504) has activity dehumidification layer (505) inside air-supply line (503), the right side laminating of dehumidification layer (505) has activity dust screen (506) inside air-supply line (503), the outside cover of air-supply line (503) is equipped with dismantles lid (507), the right side wall of dismantlement lid (507) inner chamber is fixed with spring (508) that is two and laminate on dust screen (506) right side, the outside of dismantlement lid (507) is fixed with clamping block (509) that is four in quantity, the right side of looped netowrk cabinet body (1) is fixed with clamping seat (510) of suit outside dismantlement lid (507).

2. The intelligent ring main unit with the automatic power-off fault function according to claim 1, wherein the lifting mechanism (4) further comprises a supporting rod (410) fixed on the lower surface of the bottom plate (401), and a loop bar (411) fixed on the bottom wall of the inner cavity of the cabin body (408) is sleeved outside the supporting rod (410).

3. The intelligent ring main unit with the automatic power-off fault function according to claim 1, wherein the lower surfaces of the two installation seats (406) are respectively fixed with a convex block, and the interior of the sliding strip (409) is provided with a convex groove for the two convex blocks to move and be in clearance fit with.

4. The intelligent ring main unit with the automatic power-off function of faults according to claim 1, wherein four movable wheels are fixed on the lower surface of the cabin (408), and the cabin (408) is in the shape of a cuboid with a hollow inside and a missing upper surface.

5. The intelligent ring main unit with the automatic fault power-off function according to claim 1, wherein a positioning groove for inserting the four clamping blocks (509) is formed in the right side wall of the inner cavity of the clamping seat (510), and an interlayer for enabling the four clamping blocks (509) to rotate is formed in the clamping seat (510).

6. The intelligent ring main unit with the automatic power-off fault function of claim 1, wherein the right side wall of the inner cavity of the detachable cover (507) is provided with at least two inclined holes, and the dehumidification layer (505) is an active carbon layer.

7. The intelligent ring main unit with the automatic power-off fault function according to claim 1, wherein the baffle (504) is annular in shape, and an exhaust outlet is formed in the left side wall of the inner cavity of the ring main unit body (1) and located at the right end of the connecting pipe (501).

8. The intelligent ring main unit with the automatic power-off fault function according to claim 1, wherein the alarm mechanism (6) comprises a power pile (601) fixed on the left side wall of an inner cavity of the ring main unit body (1), a first wire (602) is welded at the positive end of the power pile (601), an alarm (603) fixed on the front face of the wiring board (2) is electrically connected to one end of the first wire (602) away from the power pile (601), a second wire (604) is electrically connected to the inside of the alarm (603), a first conductive block (605) fixed on the front face of the insulating handle (7) is welded at one end of the second wire (604) away from the alarm (603), a third wire (606) is welded at the negative end of the power pile (601), and a second conductive block (607) fixed on the front face of the short circuit air conditioner (3) is welded at one end of the third wire (606).

9. The intelligent ring main unit with the automatic power-off function according to claim 8, wherein connecting wires are welded on the outer sides of the first lead (602) and the third lead (606) and are electrically connected with the two right alarms (603), and the first conductive block (605) and the second conductive block (607) are brass blocks.

10. The intelligent ring main unit with the automatic power-off function according to claim 8, wherein rated voltage of the power supply piles (601) is not more than twenty-four volts, and the number of the power supply piles (601) is three and the power supply piles are uniformly distributed on the left side wall of the inner cavity of the ring main unit body (1).