CN215955803U

CN215955803U - Protection mechanism in intelligent high-voltage switch cabinet capable of monitoring internal temperature

Info

Publication number: CN215955803U
Application number: CN202121972831.7U
Authority: CN
Inventors: 许辉; 董华政; 李瑞锋; 曹爱娟; 韩聪
Original assignee: Beijing North Yongda Intelligent Electric Co ltd
Current assignee: Beijing North Yongda Intelligent Electric Co ltd
Priority date: 2021-08-22
Filing date: 2021-08-22
Publication date: 2022-03-04
Anticipated expiration: 2031-08-22

Abstract

A protection mechanism in an intelligent high-voltage switch cabinet capable of monitoring internal temperature relates to the technical field of high-voltage switch cabinets, air holes are equidistantly formed in the inner side wall of a movable strip, an air permeable layer is arranged in an opening in the outer side wall of the movable strip, meshing teeth are arranged on the outer side wall of the air permeable layer, a connecting gear is movably arranged in the top wall of the high-voltage switch cabinet through a rotating shaft, a cabinet is fixed at a position above the connecting gear on the high-voltage switch cabinet, an air pump and a controller are fixed at the top of the high-voltage switch cabinet, a motor is fixed in the cabinet, a driving gear is sleeved and fixed on an output shaft of the motor, a temperature sensor is fixed on the inner side wall of the movable strip, an air guide cavity is formed in the top wall of the high-voltage switch cabinet, a semiconductor refrigeration sheet is arranged in the opening on the air guide cavity, and the design is reasonable, can detect the different positions in the cabinet body, can in time discover the position of breaking down.

Description

Protection mechanism in intelligent high-voltage switch cabinet capable of monitoring internal temperature

Technical Field

The utility model relates to the technical field of high-voltage switch cabinets, in particular to an intelligent protection mechanism in a high-voltage switch cabinet, which can monitor the internal temperature.

Background

The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like. High tension switchgear presses to be the electrical apparatus product of voltage class at 3.6kV-550kV, high-voltage isolator and earthing switch, high-voltage load switch, high-pressure automatic coincidence and sectionalizer, high-pressure operating device, several categories such as high-pressure explosion-proof distribution device and high tension switchgear, the mounted position of the temperature monitoring device in the current high tension switchgear is mostly fixed, can not monitor the internal different positions of cabinet, for example, install at cabinet body inner chamber top when temperature detection device, and when the components and parts of bottom take place the short circuit, the bottom temperature is higher, and the temperature at top is continuously rising, lead to can not in time discover the trouble, cause more losses.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protection mechanism in an intelligent high-voltage switch cabinet, which can monitor the internal temperature, is reasonable in design, can detect different positions in the cabinet body and can find the position with a fault in time, aiming at the defects and the defects in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: the high-voltage switch cabinet door comprises a high-voltage switch cabinet and a door, wherein the door is screwed in an opening on the front side wall of the high-voltage switch cabinet by using a hinge, and the door is fixed with the high-voltage switch cabinet by using a hasp; the high-voltage switch cabinet also comprises a movable strip, meshing teeth, a connecting gear, a cabinet, a motor, a driving gear, a temperature sensor, an air pump, a semiconductor refrigerating sheet, a first connecting pipe, a one-way valve, a controller and a second connecting pipe, wherein the front side and the rear side of the groove on the peripheral wall of the inner cavity of the high-voltage switch cabinet are correspondingly provided with mounting grooves, the front side and the rear side of the movable strip are respectively movably arranged in the front and rear corresponding mounting grooves, air holes are formed in the inner side wall of the movable strip at equal intervals, an air permeable layer is arranged in an opening on the outer side wall of the movable strip, the meshing teeth are arranged on the outer side wall of the air permeable layer, the connecting gear is movably arranged in the top wall of the high-voltage switch cabinet by utilizing a rotating shaft, the cabinet is fixed at a position above the connecting gear on the high-voltage switch cabinet, the air pump and the controller are fixed at the top of the high-voltage switch cabinet, the motor is fixed with the driving gear on an output shaft of the motor in a sleeved manner, and the temperature sensor is fixed on the inner side wall of the movable strip, offer the air guide chamber in high tension switchgear's the roof, be provided with the semiconductor refrigeration piece in the opening on the air guide chamber, through connection has a connecting pipe on the output of air pump, the other end of a connecting pipe passes behind high tension switchgear's the roof, with air guide chamber through connection, be provided with the check valve in the connecting pipe, the one end and the air guide chamber through connection of No. two connecting pipes, the other end of No. two connecting pipes runs through the setting with high tension switchgear's inner chamber top, including a motor, a temperature sensor, the equal external power supply of air pump and semiconductor refrigeration piece, including a motor, a temperature sensor, air pump and semiconductor refrigeration piece all with the controller automatically controlled connection.

Preferably, a dust cover is fixed on the high-voltage switch cabinet at a position outside the air pump.

Preferably, the top of the high-voltage switch cabinet is fixedly provided with an alarm lamp, the alarm lamp is externally connected with a power supply, and the alarm lamp is electrically connected with the controller.

Preferably, the high tension switchgear top is fixed with the mounting box, is fixed with the carbon dioxide fire extinguisher in the mounting box, and run through on the output of carbon dioxide fire extinguisher is connected with the induction pipe, and after the induction pipe passed high tension switchgear's roof, with No. two connecting pipe run through connections, be provided with the automatically controlled valve in the induction pipe, be fixed with the naked light detector on the inside wall of activity strip, the equal external power supply of automatically controlled valve and naked light detector, automatically controlled valve and naked light detector all with controller automatically controlled being connected.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a protection mechanism in an intelligent high-voltage switch cabinet, which can monitor the internal temperature, has reasonable design, can detect different positions in the cabinet body, and can find out the position with a fault in time.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals:

the high-voltage switch cabinet comprises a high-voltage switch cabinet 1, a cabinet door 2, a mounting groove 3, a movable strip 4, an air vent 5, an air permeable layer 6, meshing teeth 7, a connecting gear 8, a cabinet 9, a motor 10, a driving gear 11, a temperature sensor 12, an air pump 13, an air guide cavity 14, a semiconductor refrigerating sheet 15, a first connecting pipe 16, a one-way valve 17, a controller 18, a second connecting pipe 19, a dust cover 20, an alarm lamp 21, a mounting box 22, a carbon dioxide fire extinguisher 23, a lead-in pipe 24, an electric control valve 25 and an open fire detector 26.

The specific implementation mode is as follows:

the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.

As shown in fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the high-voltage switch cabinet comprises a high-voltage switch cabinet 1 and a cabinet door 2, wherein the cabinet door 2 is screwed in an opening on the front side wall of the high-voltage switch cabinet 1 by using a hinge, and the cabinet door 2 is fixed with the high-voltage switch cabinet 1 by using a hasp; the high-voltage switch cabinet comprises a high-voltage switch cabinet 1, a movable strip 4, meshing teeth 7, a connecting gear 8, a cabinet 9, a motor 10, a driving gear 11, a temperature sensor 12, an air pump 13, a semiconductor refrigerating sheet 15, a first connecting pipe 16, a one-way valve 17, a controller 18 and a second connecting pipe 19, wherein mounting grooves 3 are correspondingly formed in the front and the back of a groove in the peripheral wall of an inner cavity of the high-voltage switch cabinet 1, the front side and the back side of the movable strip 4 are respectively and movably arranged in the mounting grooves 3 which are correspondingly formed in the front and the back, air holes 5 are formed in the inner side wall of the movable strip 4 at equal intervals, a ventilating layer 6 is arranged in an opening in the outer side wall of the movable strip 4, the meshing teeth 7 are arranged on the outer side wall of the ventilating layer 6, the connecting gear 8 is movably arranged in the top wall of the high-voltage switch cabinet 1 by utilizing a rotating shaft, the cabinet 9 is fixedly riveted at a position above the connecting gear 8 by utilizing a bolt, the top of the high-voltage switch cabinet 1 is fixedly riveted with the cabinet 13 by utilizing a bolt, A controller 18, an alarm lamp 21 and a mounting box 22, a dust cover 20 is fixed on the high-voltage switch cabinet 1 at the position outside the air pump 13 by means of bolt riveting, a motor 10 is fixed in the case 9 by means of bolt riveting, a driving gear 11 is sleeved and fixed on an output shaft of the motor 10, a temperature sensor 12 and an open fire detector 26 are fixed on the inner side wall of the movable strip 4 by means of bolt riveting, an air guide cavity 14 is formed in the top wall of the high-voltage switch cabinet 1, a semiconductor refrigeration sheet 15 is arranged in an opening on the air guide cavity 14, the heating end of the semiconductor refrigeration sheet 15 is upward arranged, a first connecting pipe 16 is connected on the output end of the air pump 13 in a penetrating manner, the other end of the first connecting pipe 16 penetrates through the top wall of the high-voltage switch cabinet 1 and is connected with the air guide cavity 14 in a penetrating manner, a one-way valve 17 is arranged in the first connecting pipe 16, one end of a second connecting pipe 19 is connected with the air guide cavity 14 in a penetrating manner, the other end of the second connecting pipe 19 is arranged on the top of the inner cavity of the high-voltage switch cabinet 1 in a penetrating manner, utilize bolt riveting to be fixed with carbon dioxide fire extinguisher 23 in mounting box 22, through connection has inlet-tube 24 on carbon dioxide fire extinguisher 23's the output, after inlet-tube 24 passed the roof of high tension switchgear 1, with No. two connecting pipe 19 through connections, be provided with automatically controlled valve 25 in the inlet-tube 24, motor 10, temperature sensor 12, air pump 13, semiconductor refrigeration piece 15, warning light 21, automatically controlled valve 25 and naked light detector 26 all external power supply, motor 10, temperature sensor 12, air pump 13, semiconductor refrigeration piece 15, warning light 21, automatically controlled valve 25 and naked light detector 26 all are connected with controller 18 is automatically controlled.

The working principle of the specific embodiment is as follows: the starter motor 10 drives the driving gear 11 to rotate, thereby it is rotatory to drive connecting gear 8, connecting gear 8 meshes with meshing tooth 7, it removes along mounting groove 3 to drive movable strip 4, it removes to drive temperature sensor 12 and naked light detector 26, monitor different positions in high tension switchgear 1, when the temperature is on the high side, start semiconductor refrigeration piece 15 and refrigerate, start air pump 13 and get into air guide cavity 14 through a connecting pipe 16 and cool down, then through No. two connecting pipes 19, ventilative layer 6 and bleeder vent 5 get into inside high tension switchgear 1, cool down electrical components, when naked light detector 26 detects the fire, start automatically controlled valve 25, carbon dioxide puts out a fire through leading-in pipe 24 and No. two connecting pipes 19 entering high tension switchgear 1 in, warning light 21 reports to the police.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the mounting groove 3, the movable strip 4, the air holes 5, the air permeable layer 6, the meshing teeth 7, the connecting gear 8, the case 9, the motor 10, the driving gear 11, the temperature sensor 12, the air pump 13, the air guide cavity 14, the semiconductor refrigerating sheet 15, the first connecting pipe 16, the one-way valve 17 and the second connecting pipe 19 are matched, so that different positions in the cabinet body can be detected, and the position with a fault can be found in time;

2. the dust cover 20 prevents the entry of dust;

3. the alarm lamp 21 can alarm and prompt staff;

4. the carbon dioxide fire extinguisher 23, the leading-in pipe 24, the electric control valve 25 and the open fire detector 26 are matched, so that the fire can be extinguished in time, and the loss is reduced.

It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the utility model.

Claims

1. A protection mechanism in an intelligent high-voltage switch cabinet capable of monitoring internal temperature comprises a high-voltage switch cabinet (1) and a box door (2), wherein the box door (2) is screwed in an opening on the front side wall of the high-voltage switch cabinet (1) by using a hinge, and the box door (2) is fixed with the high-voltage switch cabinet (1) by using a hasp; the method is characterized in that: the high-voltage switch cabinet further comprises a movable strip (4), meshing teeth (7), a connecting gear (8), a cabinet (9), a motor (10), a driving gear (11), a temperature sensor (12), an air pump (13), a semiconductor refrigerating sheet (15), a first connecting pipe (16), a one-way valve (17), a controller (18) and a second connecting pipe (19), wherein mounting grooves (3) are correspondingly formed in the front and the back of a groove in the peripheral wall of an inner cavity of the high-voltage switch cabinet (1), the front side and the back side of the movable strip (4) are respectively and movably arranged in the corresponding mounting grooves (3) in the front and the back, air holes (5) are formed in the inner side wall of the movable strip (4) at equal intervals, a ventilating layer (6) is arranged in an opening in the outer side wall of the movable strip (4), the meshing teeth (7) are arranged on the outer side wall of the ventilating layer (6), the connecting gear (8) is movably arranged in the top wall of the high-voltage switch cabinet (1) by utilizing a rotating shaft, a case (9) is fixed at a position above a connecting gear (8) on a high-voltage switch cabinet (1), an air pump (13) and a controller (18) are fixed at the top of the high-voltage switch cabinet (1), a motor (10) is fixed in the case (9), a driving gear (11) is sleeved and fixed on an output shaft of the motor (10), a temperature sensor (12) is fixed on the inner side wall of a movable strip (4), an air guide cavity (14) is formed in the top wall of the high-voltage switch cabinet (1), a semiconductor refrigerating sheet (15) is arranged in an opening on the air guide cavity (14), a first connecting pipe (16) is connected on the output end of the air pump (13) in a penetrating manner, the other end of the first connecting pipe (16) penetrates through the top wall of the high-voltage switch cabinet (1) and is connected with the air guide cavity (14) in a penetrating manner, a one-way valve (17) is arranged in the first connecting pipe (16), one end of a second connecting pipe (19) is connected with the air guide cavity (14) in a penetrating manner, the other end of the second connecting pipe (19) is penetrated through the top of the inner cavity of the high-voltage switch cabinet (1), the motor (10), the temperature sensor (12), the air pump (13) and the semiconductor refrigerating piece (15) are all externally connected with a power supply, and the motor (10), the temperature sensor (12), the air pump (13) and the semiconductor refrigerating piece (15) are all electrically connected with the controller (18).

2. The protection mechanism in an intelligent high-voltage switch cabinet capable of monitoring internal temperature according to claim 1, characterized in that: a dust cover (20) is fixed on the high-voltage switch cabinet (1) at the position outside the air pump (13).

3. The protection mechanism in an intelligent high-voltage switch cabinet capable of monitoring internal temperature according to claim 1, characterized in that: an alarm lamp (21) is fixed at the top of the high-voltage switch cabinet (1), the alarm lamp (21) is externally connected with a power supply, and the alarm lamp (21) is electrically connected with the controller (18).

4. The protection mechanism in an intelligent high-voltage switch cabinet capable of monitoring internal temperature according to claim 1, characterized in that: high tension switchgear (1) top is fixed with mounting box (22), mounting box (22) internal fixation has carbon dioxide fire extinguisher (23), through connection has inlet-tube (24) on the output of carbon dioxide fire extinguisher (23), after inlet-tube (24) passed the roof of high tension switchgear (1), with No. two connecting pipe (19) through connection, be provided with automatically controlled valve (25) in inlet-tube (24), be fixed with naked light detector (26) on the inside wall of activity strip (4), automatically controlled valve (25) and naked light detector (26) all external power supply, automatically controlled valve (25) and naked light detector (26) all are connected with controller (18) automatically controlled.