CN219041375U

CN219041375U - Electrical protection device

Info

Publication number: CN219041375U
Application number: CN202223333161.1U
Authority: CN
Inventors: 刘彬; 谢东航; 高达; 谭中; 杨国众; 刘印丽
Original assignee: Huaneng Qinbei Power Generation Co Ltd
Current assignee: Huaneng Qinbei Power Generation Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-16
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses an electric protection device, which comprises a shell, a fixing plate fixedly connected to the inner wall of the shell and also comprises a fixing plate; fire extinguishing component: the device comprises a bearing frame which is rotationally connected to the bottom wall of a fixed plate, wherein two groups of bearing frames are symmetrically arranged about the fixed plate, the top wall of the bearing frame is connected with dry ice balls, the dry ice balls are uniformly distributed along the top wall of the bearing frame, the bottom wall of the fixed plate is fixedly connected with a first electromagnetic block, the side wall of the first electromagnetic block is connected with a tension spring, and one end of the tension spring, which is far away from the first electromagnetic block, is fixedly connected with an iron block; the power-off part is connected to the inner wall of the shell; the dehumidifying component is connected to the side wall of the shell, and the dehumidifying component is convenient for cutting off the circuit at the first time after the electric wire is short-circuited to cause fire, extinguishing the open fire to prevent serious accidents, and absorbing accumulated water in the device to prevent electric leakage.

Description

Electrical protection device

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to an electrical protection device.

Background

The electric equipment is a generic name of equipment such as a generator, a transformer, a power line, a circuit breaker, a power distribution cabinet and the like in a power system, wherein the power distribution cabinet is used for distributing electric energy of a certain circuit of the power distribution equipment at the upper stage to nearby loads and providing protection, monitoring and control for the loads, a cooling fan is usually required to be arranged in the use process of the power distribution cabinet, the air flow in the power distribution cabinet is quickened through the operation of the cooling fan, the heat dissipation capacity of electric elements in the power distribution cabinet is improved, the electric elements are prevented from being damaged due to overheating, and the cooling fan is a protection device of the electric equipment.

In the prior art, when the electric protection device is used, short circuits are easy to generate due to long-time use of electric products, wires are easy to heat up to cause fire when a circuit is overloaded or short circuits occur, the open fire cannot be extinguished at the first time after the electric fire occurs, great fire is easy to cause great loss, and when continuous overcast and rainy weather is met, water is easy to be accumulated in the device to cause damage to the device, so that the service life is shortened.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide an electric protection device which can cut off a circuit at the first time after the electric wire is short-circuited to cause fire, extinguish the open fire to prevent serious loss, treat accumulated water in the device in overcast and rainy weather and prevent the circuit from being connected with the electric wire to shorten the service life.

(II) technical scheme

The utility model provides a technical scheme adopted by an electric protection device, which comprises a shell, a fixed plate fixedly connected to the inner wall of the shell and a plurality of fixing plates, wherein the fixed plate is fixedly connected to the inner wall of the shell;

fire extinguishing component: the device comprises a bearing frame rotationally connected to the bottom wall of a fixed plate, wherein two groups of bearing frames are symmetrically arranged about the fixed plate, the top wall of the bearing frame is connected with dry ice balls uniformly distributed along the top wall of the bearing frame, the bottom wall of the fixed plate is fixedly connected with a first electromagnetic block, the side wall of the first electromagnetic block is fixedly connected with a tension spring, and one end of the tension spring, which is far away from the first electromagnetic block, is fixedly connected with an iron block;

the power-off part is connected to the inner wall of the shell;

and the dehumidifying component is connected to the side wall of the shell.

As the preferred scheme, electromagnetic block lateral wall fixedly connected with sliding sleeve, sliding sleeve inner wall sliding connection has the slide bar, the one end that the slide bar kept away from the sliding sleeve still links to each other with the iron plate is fixed, the iron plate matches with the bearing frame.

As the preferred scheme, outage part includes electrically conductive frame, consolidates lead screw and electrically conductive iron sheet, electrically conductive frame fixed connection is in shells inner wall, electrically conductive frame is provided with two sets of with the shell symmetry about, consolidate lead screw threaded connection in electrically conductive frame roof, electrically conductive iron sheet sliding connection in electrically conductive frame roof.

As the preferable scheme, fixed plate diapire fixedly connected with second electromagnetism piece, electrically conductive iron sheet diapire is connected with resetting means, electrically conductive iron sheet cooperatees with resetting means, shells inner wall fixedly connected with short circuit detector.

As the preferred scheme, dehumidification part includes dehumidification case, screw rod and first gear, dehumidification case fixed connection is in the casing lateral wall, the drain mouth has been seted up to dehumidification case bottom wall, the screw rod rotates to be connected in shells inner wall, the screw rod is provided with two sets of about dehumidification case's axis symmetry, the screw rod passes the one end of dehumidification case and still fixedly connected with first gear.

As the preferred scheme, dehumidification case lateral wall fixedly connected with driving motor, the driving motor output rotates and is connected with the second gear, the second gear links to each other with first gear meshing, two sets of equal threaded connection of screw rod outer wall has presses the water jacket, and one of them set of press the water jacket outer wall fixedly connected with linkage piece, just linkage piece and another set of press the water jacket fixedly connected with, linkage piece diapire fixedly connected with presses the water block, dehumidification case bottom wall is connected with dehumidification pad, press the water block to cooperate with the dehumidification pad.

As an optimal scheme, dehumidification case lateral wall fixedly connected with radiator fan, dehumidification case lateral wall fixedly connected with ventilation net, ventilation net is provided with two sets of with radiator fan symmetry.

(III) beneficial effects

Compared with the prior art, the utility model provides an electrical protection device, which has the following beneficial effects:

1. through setting up extinguishing unit, detect the circuit short circuit through short circuit detector to carry out the circular telegram to first electromagnetism piece and produce magnetism, adsorb the iron piece under extension spring and slide bar and make the iron piece keep away from the carrier, not support the carrier, both sides support frame rotates simultaneously downwards and makes the dry ice ball at support frame top drop the open fire that produces in the box put out, can cut off the processing to the circuit in the very first time after being convenient for lead to the fire to the electric wire short circuit, and put out the fire and prevent to produce major accident.

2. Through setting up dehumidification part, absorb the rainwater through the dehumidification pad, when the dehumidification pad absorbs too much moisture, through starting driving motor, driving motor drives the second gear and rotates, the second gear drives the first gear of both sides and rotates, first gear drives the screw rod and rotates simultaneously presses the water jacket rotation, press the water jacket to drive the linkage piece motion, the linkage piece is driven the movable water piece simultaneously and is extruded the water leakage mouth that makes the dehumidification pad in the dehumidification pad through the dehumidification tank diapire offered flows, the radiator fan also carries out drying treatment to the dehumidification pad when radiating simultaneously, make the dehumidification pad can use repeatedly.

Drawings

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

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a second schematic cross-sectional view of the present utility model;

FIG. 5 is an enlarged schematic view of the structure A of FIG. 3 according to the present utility model;

fig. 6 is an enlarged schematic view of the B structure of fig. 4 according to the present utility model.

In the figure: 100. a housing; 101. a fixing plate; 110. a carrier; 111. a dry ice ball; 112. a first electromagnetic block; 113. a tension spring; 114. iron blocks; 115. a sliding sleeve; 116. a slide bar; 120. a conductive frame; 121. reinforcing a screw rod; 122. a conductive iron sheet; 123. a second electromagnetic block; 124. a reset device; 125. a short circuit detector; 130. a dehumidifying box; 131. a screw; 132. a first gear; 133. a driving motor; 134. a second gear; 135. a water pressing sleeve; 136. a linkage block; 137. a water pressing block; 138. a dehumidifying pad; 140. a heat dissipation fan; 141. a ventilation net.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, the present utility model: an electrical protection device, comprising a housing 100 and a fixing plate 101 fixedly connected to the inner wall of the housing 100, characterized in that it further comprises;

fire extinguishing component: the device comprises a bearing frame 110 which is rotationally connected to the bottom wall of a fixed plate 101, wherein two groups of bearing frames 110 are symmetrically arranged about the fixed plate 101, the top wall of the bearing frame 110 is connected with dry ice balls 111 which are uniformly distributed along the top wall of the bearing frame 110, the bottom wall of the fixed plate 101 is fixedly connected with a first electromagnetic block 112, the side wall of the first electromagnetic block 112 is fixedly connected with a tension spring 113, and one end, far away from the first electromagnetic block 112, of the tension spring 113 is also fixedly connected with an iron block 114;

a power-off part connected to the inner wall of the housing 100;

the dehumidification part is connected to the side wall of the shell 100, and is convenient for absorbing accumulated water in the device by arranging the dehumidification pad 138, so that the service life is prolonged.

The electromagnetic block side wall is fixedly connected with a sliding sleeve 115, the sliding rod 116 is slidably connected to the inner wall of the sliding sleeve 115, one end, far away from the sliding sleeve 115, of the sliding rod 116 is fixedly connected with an iron block 114, the iron block 114 is matched with the bearing frame 110, the iron block 114 is convenient to support through the sliding rod 116 and the sliding sleeve 115, after an open fire is generated, the iron block 114 is convenient to move, and the bearing frame 110 is convenient to cancel to support so that dry ice balls 111 at the top of the bearing frame 110 are in contact with the open fire, so that the open fire is extinguished, and serious loss is convenient to prevent.

The outage part includes electrically conductive frame 120, consolidates lead screw 121 and electrically conductive iron sheet 122, electrically conductive frame 120 fixed connection is provided with two sets of with housing 100 symmetry in the housing 100, consolidates lead screw 121 threaded connection in electrically conductive frame 120 roof, electrically conductive iron sheet 122 sliding connection in electrically conductive frame 120 roof, is convenient for connect the circuit through electrically conductive iron sheet 122, can cut off the power supply to the circuit when the electric wire short-circuit, is convenient for prevent the circuit further damage.

The bottom wall of the fixed plate 101 is fixedly connected with a second electromagnetic block 123, the bottom wall of the conductive iron sheet 122 is connected with a resetting device 124, the conductive iron sheet 122 is matched with the resetting device 124, the inner wall of the shell 100 is fixedly connected with a short circuit detector 125, and the short circuit detector 125 is arranged to facilitate detection of electrical short circuit;

the dehumidification part includes dehumidification case 130, screw 131 and first gear 132, dehumidification case 130 fixed connection is in the casing 100 lateral wall, the drain mouth has been seted up to dehumidification case 130 diapire, screw 131 rotates and connects in the casing 100 inner wall, screw 131 is provided with two sets of with respect to dehumidification case 130's axis symmetry, screw 131 passes dehumidification case 130's one end still fixedly connected with first gear 132, install opposite direction through two sets of screw 131, thereby the screw thread opposite direction, be convenient for drive water pressing piece 137 and move in step, be convenient for collect the processing to the device internal moisture through dehumidification case 130, the security of being convenient for increase electrical equipment prevents the electric leakage.

The side wall of the dehumidification box 130 is fixedly connected with a driving motor 133, the output end of the driving motor 133 is rotationally connected with a second gear 134, the second gear 134 is meshed with the first gear 132, the outer walls of the two groups of screws 131 are respectively connected with a water pressing sleeve 135 in a threaded mode, the outer walls of one group of water pressing sleeves 135 are fixedly connected with a linkage block 136, the linkage block 136 is fixedly connected with the other group of water pressing sleeves 135, the bottom wall of the linkage block 136 is fixedly connected with a water pressing block 137, the bottom wall of the dehumidification box 130 is connected with a dehumidification pad 138, and the water pressing blocks 137 are matched with the dehumidification pad 138.

The side wall of the dehumidifying box 130 is fixedly connected with a heat dissipation fan 140, the side wall of the dehumidifying box 130 is fixedly connected with a ventilation net 141, the ventilation net 141 is symmetrically arranged with respect to the heat dissipation fan 140 to form two groups, and the heat dissipation fan 140 is arranged to facilitate heat dissipation treatment of the device, so that the failure rate of the device is reduced.

The working principle of the utility model is that; the device is placed in the position that needs to use, fix the electric wire to the electrically conductive frame 120 through strengthening lead screw 121, electrically conductive iron plate 122 is circular telegram, after the electric wire heat-up causes the fire owing to overload short circuit in the circuit, short circuit detector 125 detects the circuit and cuts off the power supply to second electromagnetism piece 123 after the short circuit, second electromagnetism piece 123 produces magnetism and adsorbs electrically conductive iron plate 122, make electrically conductive iron plate 122 keep away from electrically conductive frame 120 and carry out the outage to the circuit, simultaneously first electromagnetism piece 112 is also circular telegram and produces magnetism, adsorb iron plate 114 and make iron plate 114 keep away from carrier 110 under the effect of extension spring 113 and slide bar 116, do not support carrier 110, both sides support frame simultaneously rotates simultaneously and makes dry ice ball 111 at support frame top drop and put out the fire that produces in the box, when the device normal use, because continuous overcast and rains make the device have the rainwater in, absorb rainwater through dehumidification pad 138, absorb the moisture in the air, when dehumidification pad 138 absorbs too much moisture, drive motor 133 drives second gear 134 rotates, second gear 134 also produces magnetism, first gear 132 rotates the second gear 135, and water jacket 132 drives water jacket 132 and rotates the water jacket 136, simultaneously drives water jacket 138 and presses down the water jacket 138 to press and carries out the extrusion and removes water pad 138 simultaneously, and simultaneously rotates the water jacket 138 and makes the water pad 138 and rotates the linkage and removes the water pad 138 simultaneously, and rotates the water pad 138 simultaneously and makes the water pad 138 rotates the linkage and remove the water pad 138 and remove the water.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. An electrical protection device comprising a housing (100) and a fixing plate (101) fixedly connected to the inner wall of the housing (100), characterized by further comprising;

fire extinguishing component: the novel ice ball storage device comprises a bearing frame (110) which is rotationally connected to the bottom wall of a fixed plate (101), wherein two groups of bearing frames (110) are symmetrically arranged about the fixed plate (101), the top wall of each bearing frame (110) is connected with dry ice balls (111) which are uniformly distributed along the top wall of each bearing frame (110), the bottom wall of the fixed plate (101) is fixedly connected with a first electromagnetic block (112), the side wall of each first electromagnetic block (112) is fixedly connected with a tension spring (113), and one end, far away from the first electromagnetic block (112), of each tension spring (113) is fixedly connected with an iron block (114);

the power-off part is connected to the inner wall of the shell (100);

and a dehumidifying part connected to the side wall of the housing (100).

2. An electrical protection device according to claim 1 wherein: the electromagnetic block side wall fixedly connected with sliding sleeve (115), sliding sleeve (115) inner wall sliding connection has slide bar (116), slide bar (116) keep away from the one end of sliding sleeve (115) still with iron plate (114) fixed link to each other, iron plate (114) match with carrier (110).

3. An electrical protection device according to claim 1 wherein: the power-off part comprises a conductive frame (120), a reinforcing screw rod (121) and a conductive iron sheet (122), wherein the conductive frame (120) is fixedly connected to the inner wall of the shell (100), the conductive frame (120) is symmetrically provided with two groups relative to the shell (100), the reinforcing screw rod (121) is in threaded connection with the top wall of the conductive frame (120), and the conductive iron sheet (122) is in sliding connection with the top wall of the conductive frame (120).

4. An electrical protection device according to claim 3 wherein: the fixed plate (101) diapire fixedly connected with second electromagnetism piece (123), electrically conductive iron sheet (122) diapire is connected with resetting means (124), electrically conductive iron sheet (122) cooperatees with resetting means (124), casing (100) inner wall fixedly connected with short circuit detector (125).

5. An electrical protection device according to claim 1 wherein: the dehumidification part comprises a dehumidification box (130), a screw rod (131) and a first gear (132), wherein the dehumidification box (130) is fixedly connected to the side wall of the shell (100), a water leakage port is formed in the bottom wall of the dehumidification box (130), the screw rod (131) is rotationally connected to the inner wall of the shell (100), two groups of the screw rod (131) are symmetrically arranged on the central axis of the dehumidification box (130), and one end of the screw rod (131) penetrating through the dehumidification box (130) is fixedly connected with the first gear (132).

6. An electrical protection device according to claim 5 wherein: the utility model discloses a dehumidification box, including dehumidification box (130), drive motor (133) output rotation is connected with second gear (134), second gear (134) and first gear (132) meshing link to each other, two sets of equal threaded connection of screw rod (131) outer wall has pressure water jacket (135), one of them set of pressure water jacket (135) outer wall fixedly connected with linkage piece (136), just linkage piece (136) links to each other with another set of pressure water jacket (135) is fixed, linkage piece (136) diapire fixedly connected with pressure water piece (137), dehumidification box (130) diapire is connected with dehumidification pad (138), pressure water piece (137) cooperatees with dehumidification pad (138).

7. An electrical protection device according to claim 6 wherein: the side wall of the dehumidifying box (130) is fixedly connected with a heat dissipation fan (140), the side wall of the dehumidifying box (130) is fixedly connected with a ventilation net (141), and the ventilation net (141) is symmetrically provided with two groups relative to the heat dissipation fan (140).