CN112566419A - Short-circuit protection device for high-voltage electrical appliance - Google Patents

Abstract

The invention discloses a short-circuit prevention protection device for a high-voltage electrical appliance, which comprises a main seat, wherein an inner seat is fixedly arranged in the main seat, and a cooling mechanism and a partition mechanism are respectively arranged between the main seat and the inner seat. The inner seat with an opening at the upper end is arranged in the main seat, the operating platform and the electric connector are movably installed by the inner seat, and a switch type power supply capable of abutting against the electric connector is installed in the inner seat; the cooling box, the evaporation tube and the expansion airbag which are communicated are arranged in the main seat, so that the evaporation liquid can be quickly evaporated when absorbing excessive heat to reach the evaporation point, and the expansion of the expansion airbag is utilized to drive the power connector to be separated from the power supply; the driving rack and the driven flat gear which are connected in a meshed mode are utilized, so that the driving wind wheel and the driven wind wheel can drive high-temperature hot gas in the inner seat to be rapidly discharged in the rotating process; the driving bevel gear and the driven bevel gear which are connected in a meshed mode are used for driving the supercharging wind wheel to rotate at a high speed, and low-temperature cold air is continuously supplemented to achieve the protection effect of cooling and heat dissipation.

Description

Short-circuit protection device for high-voltage electrical appliance

Technical Field

The invention relates to the technical field of application management and protection of electric appliances, in particular to a short-circuit prevention protection device for a high-voltage electric appliance.

Background

Due to the development of times, intelligent electric control equipment is gradually used in many fields of production and life, but the electric control equipment has to face high-voltage risks due to long service cycle and high use frequency.

Because the use habit is unreasonable, the electric control equipment is in a power-on standby state for a long time, in the process, the electric control equipment can continuously generate heat, and because the circuit system occasionally has an accident that the voltage is unstable, the electric control equipment is very easy to generate a short circuit accident in the power-on use process, a large amount of high-temperature heat can be generated in the electric control equipment in a very short time, if power-off protection is not performed in time, and the high-temperature heat in the electric control equipment cannot be effectively relieved in time, so that the electric control equipment and the circuit system are very easy to further burn.

Disclosure of Invention

The invention aims to solve the problem that safety protection is lacked in high-voltage operation of an electrical appliance in the prior art, and provides a short-circuit prevention protection device for a high-voltage electrical appliance.

In order to achieve the purpose, the invention adopts the following technical scheme:

a short-circuit prevention protection device for a high-voltage electrical appliance comprises a main seat, wherein an inner seat is fixedly arranged in the main seat, and a cooling mechanism and a partition mechanism are respectively arranged between the main seat and the inner seat;

the cooling mechanism comprises a cooling box which is fixedly arranged in the lower end of a main seat and filled with evaporated liquid, the lower end of the inner seat is fixedly connected with a heat conducting plate sleeved in the cooling box, the cooling box is fixedly connected with an evaporating pipe, the evaporating pipe is fixedly connected with an expansion air bag, the expansion air bag is fixedly connected with a driving rack, a high-pressure spring is welded in the side wall of the main seat, the lower end of the high-pressure spring is welded with a bearing plate connected with the driving rack, a lifting table is fixedly arranged on the bearing plate, the lifting table is placed on an operating table, the operating table is integrally connected with an electric connector located in the inner seat, and a power supply corresponding to the electric connector is fixedly arranged in the inner seat;

cut off mechanism including rotating initiative wind wheel and the driven wind wheel of installing in the inner tower and connecting, and fixed cover is equipped with the driven flat gear who is connected with the meshing of drive rack on the initiative wind wheel, the outer fixedly connected with bellows of main tower, and rotate in the bellows and be provided with the supercharged wind wheel, on initiative wind wheel and the supercharged wind wheel respectively fixed cover be equipped with the initiative bevel gear and the driven bevel gear that the meshing is connected, set up air inlet row hole in the bellows lateral wall, and all seted up the ventilation row hole in main tower and the inner tower lateral wall, the heat extraction row hole has all been seted up in elevating platform and the main tower upper end.

Preferably, the evaporating solution adopts a 41% trichloromethane aqueous solution, and the expansion air bag is vertically arranged between the inner wall of the main seat and the outer wall of the inner seat.

Preferably, the electric connectors and the power supply are distributed in the inner seat in an up-down corresponding mode, and the electric connectors are magnetically connected with the power supply.

Preferably, the driving wind wheel and the driven wind wheel are horizontally distributed in the inner position of the side edge of the inner seat from top to bottom, a transmission crawler belt is connected between the driving wind wheel and the driven wind wheel, and one end of the driving wind wheel, which is provided with the driving bevel gear, extends into the wind box.

Preferably, the supercharging wind wheel is vertically arranged in the wind box.

Preferably, all install dust screen panel in air inlet row hole, ventilation row hole and the heat extraction row hole.

Compared with the prior art, the invention has the following advantages:

1. the invention sets an inner seat with an opening at the upper end in a main seat, an operation table and an electric connector which are integrally and movably arranged by the inner seat, and a switch type power supply which can be abutted against the electric connector is arranged in the inner seat; the cooling box, the evaporation tube and the expansion airbag which are communicated are arranged in the main seat, so that evaporation liquid in the cooling box can be quickly evaporated when the temperature in the inner seat is too high to reach an evaporation point, the expansion airbag which drives the expansion deformation drives the driving rack to vertically move upwards, the operation table which is positioned on the bearing plate drives the power connector to vertically move upwards to be disconnected with a power supply, and power-off protection is realized.

2. According to the invention, the driving wind wheel and the driven wind wheel which are connected are arranged in two sides of the inner seat, and the driving wind wheel and the driven wind wheel are provided with the driven flat gear which is meshed and connected with the driving rack, so that high-temperature hot gas in the inner seat can be driven to be rapidly discharged in the rotating process of the driving wind wheel and the driven wind wheel; the bellows of an integrated structure is connected outside the main seat, and the driving bevel gear and the driven bevel gear which are connected in a meshed mode are used for driving the supercharging wind wheel to rotate at a high speed, so that low-temperature cold air is supplemented into the main seat and the inner seat, and the protection effect of cooling and heat dissipation is achieved.

In summary, the inner seat with an opening at the upper end is arranged in the main seat, the operating console and the electric connector are movably arranged by the inner seat, and the switch type power supply capable of abutting against the electric connector is arranged in the inner seat; the cooling box, the evaporation tube and the expansion airbag which are communicated are arranged in the main seat, so that the evaporation liquid can be quickly evaporated when absorbing excessive heat to reach the evaporation point, and the expansion of the expansion airbag is utilized to drive the power connector to be separated from the power supply, so that the power-off and operation-stopping effects are achieved; the driving wind wheel and the driven wind wheel are arranged and connected, and the driving rack and the driven flat gear which are meshed and connected are utilized, so that the driving wind wheel and the driven wind wheel can drive high-temperature hot gas in the inner seat to be rapidly discharged in the rotating process; the driving bevel gear and the driven bevel gear which are connected in a meshed mode are used for driving the supercharging wind wheel to rotate at a high speed, and low-temperature cold air is continuously supplemented to achieve the protection effect of cooling and heat dissipation.

Drawings

Fig. 1 is a schematic structural diagram of a short-circuit protection device for a high-voltage electrical apparatus according to the present invention;

fig. 2 is an enlarged schematic view of a part a of the short-circuit prevention protection device for the high-voltage electrical apparatus according to the present invention;

fig. 3 is an enlarged schematic view of a part B of the short-circuit prevention protection device for the high-voltage electrical apparatus according to the present invention;

fig. 4 is an enlarged schematic view of a part C of the short-circuit prevention protection device for the high-voltage electrical apparatus according to the present invention;

FIG. 5 is a schematic view of a connection structure between a booster wind wheel and a driven bevel gear of the short-circuit prevention protection device for the high-voltage electrical apparatus according to the present invention;

fig. 6 is a schematic view of a connection structure of a driving wind wheel, a driven flat gear and a driving bevel gear of the short-circuit prevention protection device for the high-voltage electrical apparatus provided by the invention.

In the figure: the air conditioner comprises amain seat 1, aninner seat 2, a cooling box 3, a heat conducting plate 4, an evaporating pipe 5, anexpansion air bag 6, a driving rack 7, a high-pressure spring 8, abearing plate 9, alifting platform 10, anoperating platform 11, anelectric connector 12, apower supply 13, adriving wind wheel 14, a drivenwind wheel 15, a drivenflat gear 16, awind box 17, asupercharging wind wheel 18, adriving bevel gear 19, a drivenbevel gear 20, an airinlet exhaust hole 21, aventilation exhaust hole 22 and aheat exhaust hole 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a short-circuit protection device for high-voltage electrical appliances comprises amain seat 1, wherein themain seat 1 is provided with an opening at the upper end so as to facilitate the installation and fixation of an operating table 11 and facilitate the power-off and upward movement of the operating table 11, aninner seat 2 is fixedly arranged in themain seat 1, theinner seat 2 is of an upper end opening structure, and a cooling mechanism and a partition mechanism are respectively arranged between themain seat 1 and theinner seat 2;

the cooling mechanism comprises a cooling box 3 which is fixedly arranged in the lower end of amain seat 1 and filled with evaporated liquid, the lower end of aninner seat 2 is fixedly connected with a heat conducting plate 4 which is sleeved in the cooling box 3, the heat conducting plate 4 can transfer high-temperature heat in theinner seat 2 to the cooling box 3, when the heat reaches the evaporation point of the evaporated liquid, the evaporated liquid can be evaporated and vaporized, an evaporation tube 5 is fixedly connected onto the cooling box 3, anexpansion airbag 6 is fixedly connected onto the evaporation tube 5, a driving rack 7 is fixedly connected onto theexpansion airbag 6, the driving rack 7 is vertically arranged, theexpansion airbag 6 can drive the driving rack 7 to move back and forth in the vertical direction in the process of telescopic deformation, a high-pressure spring 8 is welded in the side wall of themain seat 1, abearing plate 9 connected with the driving rack 7 is welded at the lower end of the high-pressure spring 8, and alifting platform 10 is fixedly, thelifting platform 10 is placed on theoperating platform 11, theoperating platform 11 is integrally connected with anelectric connector 12 positioned in theinner seat 2, apower supply 13 corresponding to theelectric connector 12 is fixedly installed in theinner seat 2, theelectric connector 12 can supply power to theoperating platform 11 when being connected with thepower supply 13, and when theelectric connector 12 and thepower supply 13 are separated, theoperating platform 11 stops working due to power failure;

the partition mechanism comprises adriving wind wheel 14 and a drivenwind wheel 15 which are rotatably arranged in aninner seat 2 and connected with each other, as can be seen with specific reference to the attacheddrawing 1 of the specification, thedriving wind wheel 14 and the drivenwind wheel 15 are positioned at the side positions of apower connector 12 and apower supply 13, a drivenflat gear 16 meshed with a driving rack 7 is fixedly sleeved on thedriving wind wheel 14, the drivenflat gear 16 is positioned at the middle end position of thedriving wind wheel 14 between the inner wall of amain seat 1 and the outer wall of theinner seat 2, anair box 17 is fixedly connected outside themain seat 1, asupercharging wind wheel 18 is rotatably arranged in theair box 17, adriving bevel gear 19 and a drivenbevel gear 20 which are respectively fixedly sleeved on thedriving wind wheel 14 and thesupercharging wind wheel 18 and are in meshed connection with each other, an airinlet exhaust hole 21 is formed in the side wall of theair box 17,ventilation exhaust holes 22 are formed in the side walls of the main seat,interior seat 2 produces the low pressure because high temperature state, and makes high-temperature steam discharge in a large number at the drive effect ofinitiative wind wheel 14 and drivenwind wheel 15, so pressure boostwind wheel 18 can accelerate the outer low temperature air conditioning ofbellows 17 and pass through airinlet exhaust hole 21 and the row's of ventilatinghole 22 and get into in proper orderinterior seat 2 in rotatory in-process to reduce the temperature ininterior seat 2, cool downelectrical apparatus 12 andpower 13.

The evaporating solution adopts a 41% trichloromethane aqueous solution, theexpansion air bag 6 is vertically arranged between the inner wall of themain seat 1 and the outer wall of theinner seat 2, and when an accident happens to the operation table 11, such as a short circuit accident, theelectric connector 12 and thepower supply 13 can be rapidly heated, so that the ambient temperature in theinner seat 2 is increased.

Theelectric connector 12 and thepower supply 13 are distributed in theinner seat 2 in an up-down corresponding manner, theelectric connector 12 is magnetically connected with thepower supply 13, and theelectric connector 12 and thepower supply 13 are movably connected, so that rapid disconnection can be realized when an accident happens.

Thedriving wind wheel 14 and the drivenwind wheel 15 are horizontally distributed in the inner position of the side edge of theinner seat 2 from top to bottom, a transmission crawler belt is connected between thedriving wind wheel 14 and the drivenwind wheel 15, thedriving wind wheel 14 and the drivenwind wheel 15 which rotate can accelerate high-temperature hot air in theinner seat 2 to be rapidly discharged, the risk that thepower connector 12 and thepower supply 13 are burnt is reduced, and one end, provided with thedriving bevel gear 19, of thedriving wind wheel 14 extends into theair box 17.

Thesupercharging wind wheel 18 is vertically arranged in thewind box 17, and low-temperature cold air can rapidly enter thewind box 17 under the driving action of thesupercharging wind wheel 18.

Dust screens are arranged in the airinlet exhaust holes 21, theventilation exhaust holes 22 and theheat exhaust holes 23, so that the cleanness of low-temperature cold air in themain seat 1 and theinner seat 2 is guaranteed, and the influence on the electric connection between theelectric appliance 12 and thepower supply 13 is avoided.

The invention can be illustrated by the following operating modes:

an operation table 11 is fixedly arranged on a lifting table 10 in themain seat 1, so that anelectric connector 12 enters theinner seat 2 through the lifting table 10 and abuts against apower supply 13 to realize magnetic connection and electrification;

when the operation table 11 is overheated in long-term operation or a circuit is abnormal, theelectric connector 12 is caused to generate heat rapidly, the temperature in theinner seat 2 is raised rapidly, and theinner seat 2 transfers the heat to the cooling box 3 through the heat conduction plate 4;

the evaporation liquid in the cooling box 3 is heated quickly and evaporated, and the steam enters theexpansion airbag 6 through the evaporation tube 5, so that theexpansion airbag 6 expands in the vertical direction;

theexpansion air bag 6 supports the driving rack 7 to move vertically upwards, thebearing plate 9 moves upwards synchronously to extrude the high-voltage spring 8, so that the high-voltage spring 8 is stressed and compressed, thebearing plate 9 supports theoperating platform 11 through thelifting platform 10 to move upwards synchronously with theelectric connector 12, so that theelectric connector 12 is separated from thepower supply 13, and the power supply circuit is disconnected;

the driving rack 7 moves upwards to drive thedriving wind wheel 14 to rotate in theinner seat 2 through the driven flat gear 7 meshed and connected with the driving rack, and thedriving wind wheel 14 drives the drivenwind wheel 15 to synchronously rotate through the transmission crawler belt so as to promote high-temperature hot gas in theinner seat 2 to be discharged out of themain seat 1 through theheat discharge hole 23;

thedriving wind wheel 14 drives thesupercharging wind wheel 18 to rotate in thewind box 17 through adriving bevel gear 19 and a drivenbevel gear 20 which are connected in a meshed mode, so that low-temperature cold air can enter theinner seat 2 through the airinlet exhaust hole 21 and theventilation exhaust hole 22, and the ambient temperature in theinner seat 2 is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. A short-circuit prevention protection device for a high-voltage electrical appliance comprises a main seat (1), and is characterized in that an inner seat (2) is fixedly arranged in the main seat (1), and a cooling mechanism and a partition mechanism are respectively arranged between the main seat (1) and the inner seat (2);

the cooling mechanism comprises a cooling box (3) which is fixedly arranged in the lower end of the main seat (1) and is filled with evaporated liquid, the lower end of the inner seat (2) is fixedly connected with a heat conducting plate (4) sleeved in the cooling box (3), the cooling box (3) is fixedly connected with an evaporation tube (5), an expansion air bag (6) is fixedly connected on the evaporation tube (5), a driving rack (7) is fixedly connected on the expansion air bag (6), a high-pressure spring (8) is welded in the side wall of the main seat (1), and the lower end of the high-pressure spring (8) is welded with a bearing plate (9) connected with the driving rack (7), a lifting platform (10) is fixedly arranged on the bearing plate (9), an operating platform (11) is placed on the lifting platform (10), and the operating platform (11) is integrally connected with an electric connector (12) positioned in the inner seat (2), a power supply (13) corresponding to the power connector (12) is fixedly arranged in the inner seat (2);

the partition mechanism comprises a driving wind wheel (14) and a driven wind wheel (15) which are rotatably installed in an inner seat (2) and connected, a driven flat gear (16) meshed with a driving rack (7) is fixedly sleeved on the driving wind wheel (14), an air box (17) fixedly connected with the outer side of a main seat (1) is rotatably provided with a supercharging wind wheel (18) in the air box (17), a driving bevel gear (19) and a driven bevel gear (20) meshed and connected with each other are respectively fixedly sleeved on the driving wind wheel (14) and the supercharging wind wheel (18), an air inlet exhaust hole (21) is formed in the side wall of the air box (17), a ventilation exhaust hole (22) is formed in the side wall of the main seat (1) and the side wall of the inner seat (2), and a heat exhaust hole (23) is formed in the upper ends of an elevating platform (10) and the main seat.

2. The short-circuit prevention protection device for the high-voltage electrical apparatus according to claim 1, wherein the evaporated liquid is a 41% chloroform aqueous solution, and the inflatable air bag (6) is vertically arranged between the inner wall of the main seat (1) and the outer wall of the inner seat (2).

3. The short-circuit prevention protection device for the high-voltage electrical apparatus according to claim 2, wherein the electrical connector (12) and the power supply (13) are distributed in the inner seat (2) in a vertically corresponding manner, and the electrical connector (12) is magnetically connected with the power supply (13).

4. The short-circuit prevention protection device for the high-voltage electrical apparatus according to claim 1, wherein the driving wind wheel (14) and the driven wind wheel (15) are horizontally distributed at the inner position of the side edge of the inner seat (2) from top to bottom, a transmission crawler belt is connected between the driving wind wheel (14) and the driven wind wheel (15), and one end of the driving wind wheel (14) where the driving bevel gear (19) is installed extends into the air box (17).

5. The short-circuit protection device for high-voltage electrical appliances according to claim 1, wherein the supercharging windwheel (18) is vertically disposed in a windbox (17).

6. The short-circuit prevention protection device for the high-voltage electrical apparatus as claimed in claim 1, wherein the air inlet row hole (21), the ventilation row hole (22) and the heat exhaust row hole (23) are all provided with a dust screen.

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