CN212085448U

CN212085448U - High security low-voltage switchgear

Info

Publication number: CN212085448U
Application number: CN202020998647.9U
Authority: CN
Inventors: 吴伟君
Original assignee: Zhejiang Chenfeng Power Co ltd
Current assignee: Zhejiang Chenfeng Power Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-12-04
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a high security low-voltage switchgear, including cubical switchboard main part and activity top cap, the top cover of cubical switchboard main part is equipped with the activity top cap, the welding of the inside top intermediate position department of activity top cap has and sets up the seat, and sets up the inside of seat and have the motor through the bolt fastening, the output welding of motor has the bent axle, and the bent axle bottom rotates through the pivot and installs the transfer line, and the bottom of transfer line rotates through the pivot and installs the connecting seat, the welding of the inside top of cubical switchboard main part has the dead lever. This high security low-voltage switchgear passes through mutually supporting of motor, bent axle, transfer line, connecting seat and dead lever to indirect increase the maintenance cycle of cubical switchboard, improved the safety in utilization of cubical switchboard simultaneously, this high security low-voltage switchgear passes through mutually supporting of dead lever, fly leaf, gag lever post, adapter sleeve and movable rod, has improved the use convenience of device.

Description

High security low-voltage switchgear

Technical Field

The utility model belongs to the technical field of the cubical switchboard, concretely relates to high security low-voltage switchgear.

Background

The switch cabinet is mainly used for installing various control electric appliances, has the function of protecting a circuit, can basically meet daily use requirements, and still has some defects to be improved.

For example, chinese patent publication nos.: CN 207134622U's a novel safe and reliable high-low voltage switch cabinet, belong to power equipment technical field, including the high-low voltage switch cabinet box, high-low voltage switch cabinet box louvre, high-low voltage switch cabinet dome lamp, high-low voltage switch cabinet radiator fan, good heat dissipation function has, convenient control, the security has been improved, the device adopts louvre and radiator fan design of mutually supporting to make the inside high-temperature gas of cubical switchboard can discharge from the inside of device fast, but this design exists when using, outside dust enters into the inside of device through the air vent easily, thereby the indirect maintenance cycle who has shortened the cubical switchboard, the safety in utilization of cubical switchboard has been reduced simultaneously, we propose a high security low-voltage switch cabinet for this and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high security low-voltage switchgear to the outside dust of proposing in solving above-mentioned background art enters into the inside to the device easily through the air vent, thereby indirect maintenance cycle who has shortened the cubical switchboard has reduced the problem of the safety in utilization of cubical switchboard simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high security low-voltage switchgear, includes cubical switchboard main part and movable top cap, the top cover of cubical switchboard main part is equipped with movable top cap, the welding of the inside top intermediate position department of movable top cap has the seat of setting up, and the inside of setting up the seat has the motor through the bolt fastening, the output welding of motor has the bent axle, and the bent axle bottom rotates through the pivot and installs the transfer line, and the bottom of transfer line rotates through the pivot and installs the connecting seat, the welding of the inside top of cubical switchboard main part has the dead lever, and the central point of dead lever puts the bottom fixed connection of department through welding and connecting seat, the bottom central point of dead lever puts the department and has temperature sensor through the bolt fastening, and temperature sensor's right side is fixed with central processing unit, the fan has been welded respectively.

Preferably, the two sides of the inner wall of the movable top cover are respectively provided with an opening, and the arrangement position of the opening corresponds to the arrangement position of the fan.

Preferably, the motor is in an L-shaped design, and one side of the bottom end of the motor, which corresponds to the crankshaft, is provided with a vertical extending part.

Preferably, the outer side of the movable top cover is provided with a vertical extending part, and the length of the vertical extending part is smaller than the length of the opening of the setting seat from the top end of the movable top cover.

Preferably, an auxiliary installation device is arranged inside the switch cabinet main body and comprises a fixed plate, a movable plate, a limiting rod, a connecting sleeve, a movable rod, a spring, a fixed seat, a limiting seat and an embedded rod, the fixed plate is welded at the middle position inside the switch cabinet main body, a movable plate is sleeved at the central position of the fixed plate, a movable rod is welded at the front end of one side of the fixed plate, and the outside of the movable rod is respectively sleeved with a connecting sleeve and a spring, the connecting sleeve is elastically connected with the movable rod through the spring, a limiting rod is sleeved inside the other end of the connecting sleeve, the top end of the limiting rod is welded with the front end of one side of the movable plate, four corners of the top end of the movable plate are respectively welded with a limiting seat, and the inside cover of spacing seat is equipped with the embedding pole, fixed base has been welded respectively in fixed plate top four corners, and four group's fixed bases overlap respectively and establish the outside at the embedding pole.

Preferably, the connecting sleeve is designed in an 8 shape, and the distance between the bottom end of the connecting sleeve and the bottom end of the movable rod is larger than the thickness of the movable plate.

Preferably, the vertical cross section of the movable rod is designed in an inverted T shape, and the length of the transverse part of the bottom end of the movable rod is larger than the inner diameter of the connecting sleeve.

Preferably, the opening of one end of the fixed seat facing the limiting seat is in a symmetrical arc design.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this high security low-voltage switchgear passes through the motor, the bent axle, the transfer line, mutually supporting of connecting seat and dead lever, when central processing unit detected the inside temperature of cubical switchboard main part and exceeded the temperature of settlement, at the motor, the bent axle, under the combined action of transfer line and connecting seat, the vertical upward movement of cubical switchboard main part can be followed to the activity top cap, thereby make fan accessible trompil take out the inside hot-air of cubical switchboard main part, when the temperature of the inside of cubical switchboard main part reduces under the temperature of settlement, the activity top cap can remove to initial position department again, thereby avoided outside dust to enter into the problem of the inside of device through the air vent easily, thereby the indirect maintenance cycle who has increased the cubical switchboard, the safety in utilization of cubical switchboard has been improved simultaneously.

(2) This high security low-voltage switchgear passes through mutually supporting of dead lever, fly leaf, gag lever post, adapter sleeve and movable rod, and the fly leaf can shift out and change the state that sets up of self through rotatory mode from the inside of dead lever to make the back of setting at all kinds of switches on fly leaf surface remove to the front end of device, so that maintainer overhauls the circuit, improved the use convenience of device.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the partial side view cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 6 is a circuit block diagram of the present invention.

In the figure: 1. a switch cabinet main body; 2. a movable top cover; 3. arranging a seat; 4. a motor; 5. a crankshaft; 6. a transmission rod; 7. a connecting seat; 8. fixing the rod; 9. a fixing plate; 10. a movable plate; 11. a limiting rod; 12. connecting sleeves; 13. a movable rod; 14. a spring; 15. a fixed seat; 16. a limiting seat; 17. an embedded rod; 18. a temperature sensor; 19. a central processing unit; 20. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution of a high-safety low-voltage switch cabinet: a high-safety low-voltage switch cabinet comprises a switch cabinet main body 1 and a movable top cover 2, wherein the movable top cover 2 is sleeved at the top end of the switch cabinet main body 1, an arranging seat 3 is welded at the middle position of the top end inside the movable top cover 2, a motor 4 is fixed inside the arranging seat 3 through a bolt, a crankshaft 5 is welded at the output end of the motor 4, a transmission rod 6 is rotatably installed at the bottom end of the crankshaft 5 through a rotating shaft, a connecting seat 7 is rotatably installed at the bottom end of the transmission rod 6 through the rotating shaft, a fixed rod 8 is welded at the top end inside the switch cabinet main body 1, the central position of the fixed rod 8 is fixedly connected with the bottom end of the connecting seat 7 through welding, a temperature sensor 18 is fixed at the central position of the bottom end of the fixed rod 8 through a bolt, a central processing unit 19 is fixed at the right side, the output end of the central processing unit 19 is electrically connected with the input end of the motor 4 through a wire, the fans 20 are respectively welded on two sides of the inner wall of the movable top cover 2, and the input end of each fan 20 is electrically connected with an external power supply through a wire.

In this embodiment, preferably, the inner wall both sides of movable top cap 2 have seted up the trompil respectively, and the mounted position of trompil corresponds with the mounted position of fan 20, and during the use, through this design, when movable top cap 2 was in the shrink state, fan 20 can accelerate the flow of the inside air current of cubical switchboard main part 1, strengthens the heat dispersion of device, when movable top cap 2 removed and made the trompil and cubical switchboard main part 1 outside communicate along cubical switchboard main part 1, fan 20 can take out the inside hot-air of cubical switchboard main part 1 to further strengthen the heat dispersion of device.

In this embodiment, preferably, the motor 4 is designed to be "L" shaped, and a vertical extending portion is provided at one side of the bottom end of the motor 4 corresponding to the crankshaft 5, through this design, the motor 4 can limit the position of the transmission rod 6, so that the transmission rod 6 can stably play a role in pushing the movable top cover 2, so as to maintain the moving state of the movable top cover 2.

In this embodiment, preferred, the outside of activity top cap 2 is provided with vertical extension, and vertical extension's length is less than the length that sets up 3 trompils of seat apart from activity top cap 2 tops, and through this design, activity top cap 2 can play the effect to the water conservancy diversion of rivers, plays the effect of isolated sealed dust simultaneously to make activity

top cap

2 and 1 junction of cubical switchboard main part have better dust prevention and waterproof performance, improved the safety in utilization of device.

In this embodiment, preferably, an auxiliary installation device is disposed inside the switch cabinet main body 1, the auxiliary installation device includes a fixed plate 9, a movable plate 10, a limit rod 11, a connection sleeve 12, a movable rod 13, a spring 14, a fixed seat 15, a limit seat 16 and an embedded rod 17, the fixed plate 9 is welded at a middle position inside the switch cabinet main body 1, the movable plate 10 is sleeved at a central position of the fixed plate 9, the movable rod 13 is welded at a front end of one side of the fixed plate 9, the connection sleeve 12 and the spring 14 are respectively sleeved outside the movable rod 13, the connection sleeve 12 is elastically connected with the movable rod 13 through the spring 14, the limit rod 11 is sleeved inside the other end of the connection sleeve 12, a top end of the limit rod 11 is welded with a front end of one side of the movable plate 10, the limit seats 16 are respectively welded at four corners of a top end of the movable plate 10, the embedded rod 17 is sleeved, and four sets of fixing seats 15 are respectively sleeved outside the embedded rod 17.

In this embodiment, preferably, the connection sleeve 12 is designed in an "8" shape, and the distance between the bottom end of the connection sleeve 12 and the bottom end of the movable rod 13 is greater than the thickness of the movable plate 10, so that the movable rod 13 can be completely moved out from the movable plate 10, the movable rod 13 can rotate normally, and the normal use of the design is ensured.

In this embodiment, preferably, the vertical cross section of the movable rod 13 is designed in an inverted "T" shape, and the length of the horizontal part of the bottom end of the movable rod 13 is greater than the inner diameter of the connecting sleeve 12, through the design, the movable rod 13 can play a role in limiting the connecting sleeve 12, so that the connecting sleeve 12 can only move along the range limited by the movable rod 13, and the operation stability of the device is improved.

In this embodiment, preferably, the opening of the fixing seat 15 towards one end of the limiting seat 16 is designed to be symmetrical in an arc shape, and through the design, when the fixing seat 15 is aligned with the embedded rod 17, the fixing seat 15 can better play a role in guiding the embedded rod 17, so that the operability of the device is improved.

The utility model discloses a theory of operation and use flow: the temperature sensor 18 senses the temperature in the device at the moment of electrifying, and transmits a temperature signal to the central processing unit 19, the central processing unit 19 compares the data transmitted by the temperature sensor 18 with the set temperature, when the comparison data of the central processing unit 19 is more than or equal to the value set in the central processing unit 19, the central processing unit 19 controls the motor 4 to work in the forward direction once, the motor 4 drives the crankshaft 5 to rotate when working, the crankshaft 5 pushes the transmission rod 6 to move downwards when rotating, the transmission rod 6 pushes the connecting seat 7 to make the connecting seat 7 push the fixed rod 8 when moving, under the action of the transmission rod 6 and the connecting seat 7, the crankshaft 5 is subjected to reverse acting force, under the combined action of the crankshaft 5, the transmission rod 6 and the connecting seat 7, the setting seat 3 pushes the movable top cover 2 to make the movable top cover 2 move vertically and upwards along the switch cabinet body 1, when the transmission, the position of the transmission rod 6 is kept fixed, under the rotating action of the fan 20, hot air in the switch cabinet main body 1 is discharged through the opening, when the comparison data of the central processing unit 19 is smaller than the numerical value set in the central processing unit 19, the central processing unit 19 controls the motor 4 to work reversely once, and under the common cooperation of the motor 4, the crankshaft 5, the transmission rod 6 and the connecting seat 7, the movable top cover 2 moves to the initial position.

When the back flat cables need to be sorted, the four groups of embedded rods 17 are pushed to enable the embedded rods 17 to move out of the fixed seat 15, the movable plate 10 slides along the fixed plate 9 under the action of gravity, the limiting rod 11 and the connecting sleeve 12 vertically slide downwards along the movable rod 13 under the pushing action of the movable plate 10, the spring 14 contracts under the pushing action of the movable rod 13 to store force, when the movable rod 13 contracts to the shortest position, the movable plate 10 moves out of the fixed plate 9, the movable plate 10 can rotate around the movable rod 13 through the connecting sleeve 12 by rotating the movable plate 10, after the back flat cables are sorted, the device can be restored to the initial form by reversely repeating the operations, and the operation is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 utility model provides a high security low-voltage switchgear, includes cubical switchboard main part (1) and activity top cap (2), the top cover of cubical switchboard main part (1) is equipped with activity top cap (2), its characterized in that: a setting seat (3) is welded at the middle position of the top end inside the movable top cover (2), a motor (4) is fixed inside the setting seat (3) through a bolt, a crankshaft (5) is welded at the output end of the motor (4), a transmission rod (6) is rotatably arranged at the bottom end of the crankshaft (5) through a rotating shaft, a connecting seat (7) is rotatably arranged at the bottom end of the transmission rod (6) through the rotating shaft, a fixed rod (8) is welded at the top end inside the switch cabinet main body (1), the central position of the fixed rod (8) is fixedly connected with the bottom end of the connecting seat (7) through welding, a temperature sensor (18) is fixed at the center of the bottom end of the fixed rod (8) through a bolt, and a central processing unit (19) is fixed on the right side of the temperature sensor (18), and fans (20) are respectively welded on two sides of the inner wall of the movable top cover (2).

2. A high safety low voltage switchgear cabinet according to claim 1, characterized in that: the two sides of the inner wall of the movable top cover (2) are respectively provided with a hole, and the arrangement position of the hole corresponds to the arrangement position of the fan (20).

3. A high safety low voltage switchgear cabinet according to claim 1, characterized in that: the motor (4) is designed in an L shape, and one side of the bottom end of the motor (4) corresponding to the crankshaft (5) is provided with a vertical extending part.

4. A high safety low voltage switchgear cabinet according to claim 1, characterized in that: the outer side of the movable top cover (2) is provided with a vertical extending part, and the length of the vertical extending part is smaller than the length of the opening of the setting seat (3) from the top end of the movable top cover (2).

5. A high safety low voltage switchgear cabinet according to claim 1, characterized in that: the switch cabinet is characterized in that an auxiliary installation device is arranged inside the switch cabinet main body (1) and comprises a fixed plate (9), a movable plate (10), a limiting rod (11), a connecting sleeve (12), a movable rod (13), a spring (14), a fixed seat (15), a limiting seat (16) and an embedded rod (17), the fixed plate (9) is welded at the middle position inside the switch cabinet main body (1), the movable plate (10) is sleeved at the central position of the fixed plate (9), the movable rod (13) is welded at the front end of one side of the fixed plate (9), the connecting sleeve (12) and the spring (14) are respectively sleeved outside the movable rod (13), the connecting sleeve (12) is elastically connected with the movable rod (13) through the spring (14), the limiting rod (11) is sleeved inside the other end of the connecting sleeve (12), and the top end of the limiting rod (11) is welded with the front end of one side of the movable plate (, spacing seat (16) have been welded respectively in the top four corners of fly leaf (10), and the inside cover of spacing seat (16) is equipped with embedding pole (17), fixing base (15) have been welded respectively in fixed plate (9) top four corners, and four group's fixing base (15) overlap respectively and establish the outside at embedding pole (17).

6. A high security low-voltage switchgear, according to claim 5, characterized in that: the connecting sleeve (12) is designed in an 8 shape, and the distance between the bottom end of the connecting sleeve (12) and the bottom end of the movable rod (13) is larger than the thickness of the movable plate (10).

7. A high security low-voltage switchgear, according to claim 5, characterized in that: the vertical cross section of the movable rod (13) is designed in an inverted T shape, and the length of the transverse part of the bottom end of the movable rod (13) is larger than the inner diameter of the connecting sleeve (12).

8. A high security low-voltage switchgear, according to claim 5, characterized in that: the opening of one end of the fixed seat (15) facing the limiting seat (16) is in a symmetrical arc design.