CN215644188U

CN215644188U - Outdoor high-voltage vacuum circuit breaker

Info

Publication number: CN215644188U
Application number: CN202122388907.8U
Authority: CN
Inventors: 周杰; 王小锋
Original assignee: Changzhou Senyuan Jiangnan Electric Appliance Co ltd
Current assignee: Changzhou Senyuan Jiangnan Electric Appliance Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-25
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the field of high-voltage vacuum circuit breakers, in particular to an outdoor high-voltage vacuum circuit breaker, which comprises a mounting seat, an outer box, an auxiliary box, a controller, a ventilation mechanism and an induction mechanism, the top of the mounting seat is symmetrically and fixedly provided with two fixed rods, the outer box is fixedly arranged on the two fixed rods, the auxiliary box is fixedly arranged at one side of the outer box, the controller is arranged in the auxiliary box, a partition plate is fixedly arranged in the middle of the inner part of the auxiliary box, the ventilation mechanism is fixedly arranged in the auxiliary box and positioned at the top of the partition plate, and the sensing mechanism is fixedly arranged in the auxiliary box and positioned at the bottom of the partition plate.

Description

Outdoor high-voltage vacuum circuit breaker

Technical Field

The utility model relates to the field of high-voltage vacuum circuit breakers, in particular to an outdoor high-voltage vacuum circuit breaker.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum, and has the advantages of small volume, light weight, frequent operation and no need of maintenance for arc extinguishing, and is widely applied to a power distribution network, the vacuum circuit breaker is an indoor power distribution device in a three-phase alternating current system of 3-10 kV and 50Hz, and an outdoor high-voltage vacuum circuit breaker, such as an outdoor ZW8 high-voltage vacuum circuit breaker is an outdoor device with three-phase alternating current of 50Hz and rated voltage of 12 kV, is mainly used for 12 kV systems of rural power grids and urban power grids, is used for switching load current, overload current and short-circuit current, and can also be used in other similar places.

Outdoor high-voltage vacuum circuit breaker can receive the influence of various adverse conditions in practical application, and the normal operating of outdoor high-voltage vacuum circuit breaker is all influenced easily to dust, torrential rain, high temperature etc. produces short circuit or creepage phenomenon very easily, consequently is necessary to design a high-voltage vacuum circuit breaker who is used for the open air.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage vacuum circuit breaker used outdoors.

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

the utility model provides a be used for open air high pressure vacuum circuit breaker, including mount pad, outer container, assistance case, controller, ventilation mechanism and response mechanism, the top symmetry of mount pad is fixed and is equipped with two dead levers, the outer container is fixed to be set up on two dead levers, it sets up in one side of outer container to assist the case fixed, the controller sets up in assisting the incasement, assist the fixed division board that is equipped with in the middle of the incasement portion, ventilation mechanism is fixed to be set up in assisting the incasement and lie in the division board top, response mechanism is fixed to be set up in assisting the incasement and lie in the division board bottom.

Preferably, the inner wall of the outer box is fixedly provided with a heat insulation plate, one side of the outer box is provided with a sliding door, one side of the sliding door is hinged with the outer box, and the other side of the sliding door is provided with a pull groove.

Preferably, a fixing seat is arranged on one side of the inner wall of the heat insulation plate, a high-pressure vacuum switch is fixedly arranged on the side portion of the fixing seat, an air inlet and an air outlet are arranged on two opposite sides of the outer box, and a plurality of connecting wire holes are formed in the tops of the air inlet and the air outlet respectively.

Preferably, the division board will assist the case to divide into ventilation chamber and electric chamber, ventilation mechanism sets up in ventilation intracavity, and ventilation mechanism includes safety cover, motor, pivot, fan and intercommunication board, the safety cover is fixed to be set up on the division board, the motor is the horizontal state and fixes to be set up in the safety cover, and the output shaft of motor passes through the one end fixed connection of shaft coupling and pivot, the other end and the fan fixed connection of pivot, the intercommunication board is fixed to be set up in the air inlet, the motor is electric connection with the controller.

Preferably, the opposite side of outer container is equipped with the exhaust subassembly, the exhaust subassembly includes rain shade and ventilation net, rain shade is fixed to be set up in the outer fringe of air exit, and the inner wall bottom of rain shade is the inclined plane setting, the ventilation net is fixed to be set up in the air exit.

Preferably, the two sides of the ventilation cavity are provided with air inlets, the two air inlets are internally and fixedly provided with electrostatic dust screens, and the tops of the outer edges of the two air inlets are provided with rain shielding plates.

Preferably, response mechanism includes install bin, temperature sensor and receiving module, the install bin is fixed to be set up in electric intracavity wall one side, temperature sensor is fixed to be set up on the install bin, and temperature sensor's response end extends to in the heat insulating board, receiving module is fixed to be set up in electric intracavity portion bottom, the controller is fixed to be set up in electric intracavity portion and to be located the install bin side, temperature sensor and receiving module are electric connection with the controller.

Preferably, one side of the auxiliary box is provided with a sealing door, one side of the sealing door is hinged with the auxiliary box, and the other side of the sealing door is fixedly provided with a handle.

The utility model has the beneficial effects that:

1. when the temperature sensor detects that the heat inside the heat insulation plate exceeds a threshold value, the temperature sensor inputs the electric signal to the receiving module, the receiving module sends the electric signal to the controller, the controller turns on a motor switch, an output shaft of the motor drives a rotating shaft to rotate, the rotating shaft drives a fan to rotate, so that external air enters from air inlets on two sides of the ventilation cavity, the electrostatic dust nets arranged in the two air inlets effectively prevent dust from entering, the entered air passes through the fan in the communicating plate to enter the heat insulation plate and then is discharged from the ventilation net to achieve the aim of air circulation, heat dissipation is further performed inside the outer box, the rain shield is arranged to prevent rainwater from entering through the ventilation net during rain, the normal operation of the high-voltage vacuum circuit breaker is influenced, the bottom of the inner wall of the rain shield is arranged in an inclined plane, the water guide effect can be effectively achieved, and the arranged temperature sensor can monitor the temperature inside the heat insulation plate in real time, thereby automatically generating cooling operation without manual intervention.

2. When meetting high temperature weather, the inside heat insulating board of outer container can effectively block the entering of high temperature, guarantees that high-pressure vacuum circuit breaker is in an environment that can not overheat constantly, through the manual sealing door that opens of handle, is convenient for inspect the spare part of ventilation chamber and electric intracavity portion and change, and the sliding door is opened to manual utilization kerve, is convenient for inspect and maintain the inside high-pressure vacuum circuit breaker of outer container, guarantee vacuum circuit breaker's normal operating.

According to the utility model, the temperature sensor is arranged to monitor the temperature of the internal environment of the vacuum circuit breaker and give an air blowing instruction, the electrostatic dust cover is arranged, dust can be effectively prevented from entering the vacuum circuit breaker, the operation is simple and convenient, the operation is safe and efficient, and the use condition of the outdoor high-voltage vacuum circuit breaker is greatly ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the interior of the outer case according to the present invention;

FIG. 3 is a schematic perspective view of the fixing base and the high-voltage vacuum switch of the present invention;

FIG. 4 is a schematic disassembled view of the exhaust assembly of the present invention;

FIG. 5 is a plan view of the interior of the auxiliary tank of the present invention;

FIG. 6 is a schematic view of the auxiliary box of the present invention partially disassembled;

FIG. 7 is a schematic partially broken away view of the venting mechanism of the present invention;

FIG. 8 is a schematic perspective view of an induction mechanism according to the present invention;

in the figure: the device comprises a mounting base 1, a fixing rod 10, an outer box 2, a heat insulation board 20, a fixing base 200, a high-pressure vacuum switch 201, a sliding door 21, a sliding groove 22, an air inlet 23, an air outlet 24, a connecting line hole 25, an exhaust assembly 26, a rain shield 260, a ventilation net 261, an auxiliary box 3, a ventilation cavity 30, an air inlet 300, an electrostatic dust shield 301, a rain shield 302, an electric cavity 31, a partition board 32, a sealing door 33, a handle 34, a controller 4, a ventilation mechanism 5, a protection cover 50, a motor 51, a rotating shaft 52, a fan 53, a communication board 54, a sensing mechanism 6, a mounting box 60, a temperature sensor 61 and a receiving module 62.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1, a be used for open air high pressure vacuum circuit breaker, including mount pad 1, outer container 2, assist case 3, controller 4, ventilation mechanism 5 and response mechanism 6, the top symmetry of mount pad 1 is fixed and is equipped with two dead levers 10, outer container 2 is fixed to be set up on two dead levers 10, assist case 3 is fixed to be set up in one side of outer container 2, controller 4 sets up in assisting case 3, assist the fixed division board 32 that is equipped with in the middle of 3 inside, ventilation mechanism 5 is fixed to be set up in assisting case 3 and is located division board 32 top, response mechanism 6 is fixed to be set up in assisting case 3 and is located division board 32 bottom.

Referring to fig. 2 to 3 show that the fixed heat insulating board 20 that is equipped with of outer container 2 inner wall, and one side of outer container 2 is equipped with sliding door 21, one side and the articulated setting of outer container 2 of sliding door 21, and the opposite side of sliding door 21 is equipped with the kerve 22, when high temperature weather, heat insulating board 20 can effectively prevent the high heat to enter into in the outer container 2, thereby guarantee high-pressure vacuum circuit breaker's operation under normal environment, the setting of kerve 22 is the sliding door 21 of being convenient for open, manual utilization kerve 22 opens sliding door 21, be convenient for inspect and maintain the inside high-pressure vacuum circuit breaker of outer container 2.

Referring to fig. 5 to 7, a fixing base 200 is disposed on one side of an inner wall of the heat insulation board 20, a high-voltage vacuum switch 201 is fixedly disposed on a side portion of the fixing base 200, an air inlet 23 and an air outlet 24 are disposed on opposite sides of the outer box 2, a plurality of connecting wire holes 25 are respectively disposed on top portions of the air inlet 23 and the air outlet 24, the fixing base 200 provides a fixed mounting carrier for the high-voltage vacuum circuit breaker, the air inlet 23 and the air outlet 24 form a circulating air flow to achieve a purpose of dissipating heat inside the outer box 2, the plurality of connecting wire holes 25 are used for connecting with other power systems, the auxiliary box 3 is divided into a ventilation cavity 30 and an electrical cavity 31 by a partition plate 32, the ventilation mechanism 5 is disposed in the ventilation cavity 30, the ventilation mechanism 5 includes a protection cover 50, a motor 51, a rotating shaft 52, a fan 53 and a communicating plate 54, the protection cover 50 is fixedly disposed on the partition plate 32, the motor 51 is horizontally disposed in the protection cover 50, and the output shaft of the motor 51 is fixedly connected with one end of the rotating shaft 52 through the coupling, the other end of the rotating shaft 52 is fixedly connected with the fan 53, the communicating plate 54 is fixedly arranged in the air inlet 23, the motor 51 is electrically connected with the controller 4, the protective cover 50 plays a role of protecting the motor 51, when the motor 51 is started, the output shaft of the motor 51 drives the rotating shaft 52 to rotate, the rotating shaft 52 drives the fan 53 to rotate, thereby external air enters from the air inlet holes 300 at the two sides of the ventilation cavity 30, the communicating plate 54 provides an air inlet space and simultaneously provides a rotating carrier for the fan 53, the air inlet holes 300 are arranged at the two sides of the ventilation cavity 30, the electrostatic dust screens 301 are fixedly arranged in the two air inlet holes 300, the rain shielding plates 302 are arranged at the tops of the outer edges of the two air inlet holes 300, when the fan 53 rotates, the external air enters from the air inlet holes 300 at the two sides of the ventilation cavity 30, and the electrostatic dust screens 301 arranged in the two air inlet holes 300 effectively prevent dust from entering, therefore, the entering air passes through the fan 53 in the communication plate 54 and enters the thermal insulation board 20, the sealing door 33 is arranged on one side of the auxiliary box 3, one side of the sealing door 33 is hinged to the auxiliary box 3, the handle 34 is fixedly arranged on the other side of the sealing door 33, the sealing door 33 is manually opened through the handle 34, and the ventilation cavity 30 and the electric cavity 31 are convenient to check and replace.

Referring to the opposite side of the outer box 2 that fig. 4 shows and being equipped with exhaust subassembly 26, exhaust subassembly 26 includes rain shade 260 and ventilation net 261, rain shade 260 is fixed to be set up in the outer fringe of air exit 24, and the inner wall bottom of rain shade 260 is the inclined plane setting, ventilation net 261 is fixed to be set up in air exit 24, rain shade 260's setting prevents when raining, the rainwater can get into through ventilation net 261, and then influence high-pressure vacuum circuit breaker's normal operating, rain shade 260 inner wall bottom is the inclined plane setting, can effectively play the effect of water guide.

Referring to fig. 8, the sensing mechanism 6 includes an installation box 60, a temperature sensor 61 and a receiving module 62, the installation box 60 is fixedly disposed on one side of an inner wall of the electrical cavity 31, the temperature sensor 61 is fixedly disposed on the installation box 60, and a sensing end of the temperature sensor 61 extends into the heat insulation board 20, the receiving module 62 is fixedly disposed at a bottom end inside the electrical cavity 31, the controller 4 is fixedly disposed inside the electrical cavity 31 and located at a side of the installation box 60, the temperature sensor 61, the receiving module 62 and the controller 4 are electrically connected, when the temperature sensor 61 detects that heat inside the heat insulation board 20 is higher than a threshold value, the temperature sensor 61 inputs the electric signal to the receiving module 62, the receiving module 62 sends the electric signal to the controller 4, so that the controller 4 turns on a switch of the motor 51, the electric connection is simple in operation, and is convenient and fast.

The working principle is as follows: when the temperature sensor 61 detects that the heat inside the heat insulation board 20 is higher than the threshold value, the temperature sensor 61 inputs the electric signal to the receiving module 62, the receiving module 62 sends the electric signal to the controller 4, the controller 4 turns on the switch of the motor 51, the output shaft of the motor 51 drives the rotating shaft 52 to rotate, the rotating shaft 52 drives the fan 53 to rotate, so that the external air enters from the air inlets 300 at two sides of the ventilation cavity 30, the electrostatic dust nets 301 arranged in the two air inlets 300 effectively prevent the dust from entering, so that the entered air passes through the fan 53 in the communicating plate 54 to enter the heat insulation board 20 and then is discharged from the ventilation net 261, the purpose of air circulation is achieved, the heat inside the outer box 2 is further dissipated, when high-temperature weather occurs, the heat insulation board 20 inside the outer box 2 can effectively prevent the high-temperature entering, the sealing door 33 is manually opened through the handle 34, and the inspection and replacement of the parts inside the ventilation cavity 30 and the electrical cavity 31 are facilitated, the sliding door 21 is opened manually by using the sliding groove 22, so that the high-voltage vacuum circuit breaker in the outer box 2 can be checked and maintained conveniently.

Claims

1. The utility model provides a be used for open air high pressure vacuum circuit breaker, includes mount pad (1), outer container (2), assists case (3), controller (4), ventilation mechanism (5) and response mechanism (6), its characterized in that, the top symmetry of mount pad (1) is fixed and is equipped with two dead levers (10), outer container (2) are fixed to be set up on two dead levers (10), assist case (3) and fix and set up in one side of outer container (2), controller (4) set up in assisting case (3), assist the fixed division board (32) that is equipped with in the middle of case (3) inside, ventilation mechanism (5) are fixed to be set up in assisting case (3) and are located division board (32) top, response mechanism (6) are fixed to be set up in assisting case (3) and are located division board (32) bottom.

2. The high voltage vacuum circuit breaker for outdoor use according to claim 1, characterized in that the inner wall of the outer box (2) is fixedly provided with a thermal insulation board (20), one side of the outer box (2) is provided with a sliding door (21), one side of the sliding door (21) is hinged with the outer box (2), and the other side of the sliding door (21) is provided with a sliding groove (22).

3. The high-voltage vacuum circuit breaker for the outdoor according to claim 2, characterized in that a fixing seat (200) is provided on one side of the inner wall of the heat insulation board (20), a high-voltage vacuum switch (201) is fixedly provided on the side of the fixing seat (200), an air inlet (23) and an air outlet (24) are provided on two opposite sides of the outer box (2), and a plurality of connecting wire holes (25) are respectively provided on the top of the air inlet (23) and the top of the air outlet (24).

4. High voltage vacuum circuit breaker for outdoor use according to claim 3, the auxiliary box (3) is divided into a ventilation cavity (30) and an electric cavity (31) by the partition plate (32), the ventilation mechanism (5) is arranged in the ventilation cavity (30), the ventilation mechanism (5) comprises a protective cover (50), a motor (51), a rotating shaft (52), a fan (53) and a communicating plate (54), the protective cover (50) is fixedly arranged on the partition plate (32), the motor (51) is fixedly arranged in the protective cover (50) in a horizontal state, and the output shaft of the motor (51) is fixedly connected with one end of the rotating shaft (52) through a coupler, the other end of the rotating shaft (52) is fixedly connected with the fan (53), the communicating plate (54) is fixedly arranged in the air inlet (23), and the motor (51) is electrically connected with the controller (4).

5. The high-voltage vacuum circuit breaker for the outdoor use according to claim 4, wherein the other side of the outer box (2) is provided with an exhaust assembly (26), the exhaust assembly (26) comprises a rain shield (260) and a ventilation net (261), the rain shield (260) is fixedly arranged at the outer edge of the air outlet (24), the bottom of the inner wall of the rain shield (260) is arranged in an inclined plane, and the ventilation net (261) is fixedly arranged in the air outlet (24).

6. The high-voltage vacuum circuit breaker for the outdoor use according to claim 5, wherein air inlet holes (300) are formed on both sides of the ventilation chamber (30), an electrostatic dust screen (301) is fixedly arranged in each of the two air inlet holes (300), and a rain shielding plate (302) is arranged on the top of the outer edge of each of the two air inlet holes (300).

7. The outdoor high-voltage vacuum circuit breaker according to claim 6, wherein the sensing mechanism (6) comprises an installation box (60), a temperature sensor (61) and a receiving module (62), the installation box (60) is fixedly arranged on one side of the inner wall of the electrical cavity (31), the temperature sensor (61) is fixedly arranged on the installation box (60), the sensing end of the temperature sensor (61) extends into the heat insulation board (20), the receiving module (62) is fixedly arranged at the bottom end inside the electrical cavity (31), the controller (4) is fixedly arranged inside the electrical cavity (31) and located beside the installation box (60), and the temperature sensor (61) and the receiving module (62) are electrically connected with the controller (4).

8. The high-voltage vacuum circuit breaker for outdoor use according to claim 7, characterized in that a sealing door (33) is provided at one side of the auxiliary box (3), one side of the sealing door (33) is hinged with the auxiliary box (3), and a handle (34) is fixedly provided at the other side of the sealing door (33).