CN212366626U

CN212366626U - Switch cabinet

Info

Publication number: CN212366626U
Application number: CN202021092226.6U
Authority: CN
Inventors: 田伟军; 熊必成; 张金山; 陈洪威; 魏龙龙
Original assignee: Tellhow Shenzhen Electric Technologies Co ltd
Current assignee: Tellhow Shenzhen Electric Technologies Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-01-15
Anticipated expiration: 2030-06-12

Abstract

The utility model provides a switch cabinet, which comprises a cabinet door, wherein the cabinet door comprises a cabinet door plate and an interlocking bracket arranged on the cabinet door plate, and the interlocking bracket is provided with a clamping groove; the interlocking piece is rotationally connected to the frame circuit breaker and is provided with a moving part and a clamping hook part which is connected with the moving part and can be inserted into the clamping groove; the frame circuit breaker is provided with a moving pin, the moving pin is located at a first position when the frame circuit breaker is in a charged state, and the moving pin is located at a second position when the frame circuit breaker is in a stopped state; the moving part is erected on the moving pin and moves along with the moving pin, and the clamping hook part is inserted into the clamping groove when the moving pin is positioned at the first position; when the movable pin moves from the first position to the second position, the interlocking piece is driven to rotate so that the clamping hook part is separated from the clamping groove. The utility model provides a switch cabinet realizes the interlocking of the frame breaker and the cabinet door; and interlocking is realized through the cooperation of interlocking piece and interlocking support, simple structure easily installs.

Description

Switch cabinet

Technical Field

The utility model belongs to the technical field of electrical equipment, more specifically say, relate to a cubical switchboard.

Background

A switch cabinet is a power distribution device used for power transmission, power distribution and electric energy conversion, and often needs frequent operations by power personnel, and the safety of the switch cabinet is a key point of concern. For example, a plurality of functional unit compartments are formed in a switch cabinet of a low-voltage switch cabinet, and devices such as a frame breaker and the like are arranged, wherein the frame breaker has a charged working state and an uncharged working state, such as a charged state in a working and testing state and an uncharged state in a stopping state; when the frame circuit breaker live working, must guarantee that the cabinet door of cubical switchboard closes, otherwise operating personnel can have the risk of electrocuting of electric shock, therefore the cubical switchboard generally requires to be provided with interlock, but the interlock structure of current cubical switchboard is complicated, installs the difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a switch cabinet to the interlock structure that exists among the solution prior art is complicated, installs the technical problem of difficulty.

In order to achieve the above object, a first aspect of the present invention provides a switch cabinet, including:

the cabinet door comprises a cabinet door plate and an interlocking bracket arranged on the cabinet door plate, and the interlocking bracket is provided with a clamping groove;

the interlocking piece is rotationally connected to the frame circuit breaker and is provided with a moving part and a clamping hook part which is connected with the moving part and can be inserted into the clamping groove;

the frame circuit breaker is provided with a moving pin, the moving pin is located at a first position when the frame circuit breaker is in a charged state, and the moving pin is located at a second position when the frame circuit breaker is in a stopped state; the moving part is erected on the moving pin and moves along with the moving pin, and the clamping hook part is inserted into the clamping groove when the moving pin is positioned at the first position; when the movable pin moves from the first position to the second position, the interlocking piece is driven to rotate so that the clamping hook part is separated from the clamping groove.

Optionally, the interlocking member further includes an elastic member disposed on the frame circuit breaker, and the moving portion abuts against the moving pin under an elastic force of the elastic member.

Optionally, a groove is formed in the moving pin, and the moving portion is clamped in the groove.

Optionally, the interlocking bracket comprises a mounting plate, a connecting plate connected with the mounting plate, and a limiting plate connected with the connecting plate; the limiting plate is arranged opposite to the mounting plate.

Optionally, a plurality of studs are arranged on the cabinet door plate, and a plurality of mounting holes corresponding to the plurality of studs are arranged on the mounting plate.

Optionally, the switchgear is a low voltage switchgear.

Optionally, the cabinet further comprises a cabinet body, and the cabinet door is hinged to the cabinet body through a hinge.

Optionally, the cabinet door further includes a latch, and the latch includes a door lock portion disposed on a side of the cabinet door panel facing away from the frame circuit breaker and a link mechanism disposed on a side of the cabinet door panel facing toward the frame circuit breaker; the cabinet body is provided with a locking hole matched with the connecting rod mechanism, and the connecting rod mechanism is driven by the door lock part to be provided with a locking position inserted in the locking hole and an opening position outside the locking hole.

Optionally, the cabinet body is provided with a plurality of heat dissipation holes.

Optionally, each heat dissipation hole is covered with a shielding cover; the shielding cover comprises a shielding plate and a surrounding plate, wherein the shielding plate is arranged opposite to the heat dissipation holes, the surrounding plate is arranged between the shielding plate and the cabinet body, and the shielding plate and the surrounding plate form a communication opening communicated with the heat dissipation holes.

The beneficial effects of the utility model reside in that: compared with the prior art, the switch cabinet provided by the utility model has the advantages that the interlocking piece is arranged, so that the moving part of the interlocking piece can move along with the moving pin of the frame circuit breaker, and the hook part can move along with the moving pin and be inserted into or separated from the clamping groove of the interlocking support on the cabinet door, thereby realizing that the cabinet door is limited by the interlocking piece to be guaranteed to be closed when the frame circuit breaker is in a charged state, and the cabinet door can be opened when the frame circuit breaker is in an uncharged state, thereby realizing the interlocking of the frame circuit breaker and the cabinet door; and interlocking is realized through the cooperation of interlocking piece and interlocking support, simple structure easily installs.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a switch cabinet in an electrified state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a stop state of a switch cabinet according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an interlocking bracket according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a cabinet body provided in an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 is a schematic structural diagram of a locking member according to an embodiment of the present invention;

fig. 7 is a schematic structural view of the latch according to the embodiment of the present invention when opened.

Wherein, in the figures, the respective reference numerals:

1. a cabinet door; 11. a cabinet door panel; 111. a stud; 12. an interlock bracket; 121. a card slot; 122. mounting a plate; 1221. mounting holes; 123. a connecting plate; 124. a limiting plate; 13. a latch; 131. a door lock portion; 132. a link mechanism; 2. a frame circuit breaker; 21. a moving pin; 3. an interlock member; 31. a moving part; 32. a hook part; 33. an elastic member; 4. a cabinet body; 41. a locking hole; 42. heat dissipation holes; 43. a shielding cover; 431. a shielding plate; 432. enclosing plates; 433. a communication port; 5. and (4) a hinge.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 2, a switch cabinet according to an embodiment of the present invention is shown, in which a frame circuit breaker 2 is disposed, the switch cabinet includes a cabinet door 1 and an interlocking member 3, the cabinet door 1 includes a cabinet door panel 11 and an interlocking bracket 12 disposed on the cabinet door panel 11, and the interlocking bracket 12 is formed with a slot 121; the interlocking piece 3 is rotatably connected to the frame breaker 2 and has a moving part 31 and a hook part 32 connected to the moving part 31 and capable of being inserted into the card slot 121; the frame circuit breaker 2 is provided with a moving pin 21, the moving pin 21 is located at a first position when the frame circuit breaker 2 is in a charged state, and the moving pin 21 is located at a second position when the frame circuit breaker 2 is in a stopped state; the moving part 31 is mounted on the moving pin 21 and moves along with the moving pin 21, and the hook part 32 is inserted into the slot 121 when the moving pin 21 is at the first position; when the moving pin 21 moves from the first position to the second position, the interlocking member 3 is driven to rotate so that the hook portion 32 is disengaged from the engaging groove 121.

By arranging the interlocking piece 3, the switch cabinet enables the moving part 31 of the interlocking piece 3 to move along with the moving pin 21 of the frame circuit breaker 2, and the hook part 32 to move along with the moving pin 21 and be inserted into the clamping groove 121 of the interlocking support 12 on the cabinet door 1 or be separated from the clamping groove 121, so that the cabinet door 1 is limited by the interlocking piece 3 to be guaranteed to be closed when the frame circuit breaker 2 is in a charged state, and the cabinet door 1 can be opened when the frame circuit breaker 2 is in a stopped state, namely an uncharged state, so that the frame circuit breaker 2 and the cabinet door 1 are interlocked; and interlocking is realized through the cooperation of interlocking piece 3 and interlocking support 12, simple structure, easily installation. Specifically, when the frame circuit breaker 2 is used for work and test, that is, the frame circuit breaker 2 is in an electrified state, at this time, the moving pin 21 on the frame circuit breaker 2 is in the first position, and meanwhile, the hook portion 32 of the interlocking member 3 is clamped in the clamping groove 121 of the interlocking bracket 12 on the cabinet door 1 under the driving of the moving pin 21, and the cabinet door 1 is limited by the hook portion 32 to realize locking; when frame circuit breaker 2 stopped, frame circuit breaker 2 converts the uncharged state into promptly, and removal pin 21 removed to the second position from the primary importance this moment, drives removal portion 31 simultaneously and makes interlocking piece 3 wholly rotate for trip portion 32 breaks away from draw-in groove 121, has realized the unblock of cabinet door 1 promptly, has realized the interlocking of cabinet door 1 with frame circuit breaker 2.

In one embodiment, the interlocking member 3 further includes an elastic member 33 provided on the frame breaker 2, and the moving portion 31 is pressed against the moving pin 21 by the elastic force of the elastic member 33. By providing the elastic member 33, the contact between the moving part 31 and the moving pin 21 can be made tight, so that the moving part 31 can effectively move along with the moving pin 21 when the first position and the second position of the moving pin 21 are switched; moreover, when the moving pin 21 is in the first position, that is, the hook portion 32 is engaged with the engaging groove 121, the elastic member 33 can provide an elastic force to ensure the position of the hook portion 32 to be stable, thereby ensuring the interlocking effect; specifically, the elastic member 33 may be a torsion spring. In one embodiment, the moving pin 21 is provided with a groove, and the moving portion 31 is clamped in the groove, so that the stable fit between the moving portion 31 and the moving pin 21 can be ensured, and the moving of the moving pin 21 can effectively drive the moving portion 31 to move.

In one embodiment, referring to fig. 1 and 3, the interlock bracket 12 includes a mounting plate 122, a connection plate 123 connected to the mounting plate 122, and a limit plate 124 connected to the connection plate 123; the stopper plate 124 is disposed opposite to the mounting plate 122. Thus, the locking groove 121 is formed among the mounting plate 122, the connecting plate 123 and the limiting plate 124, so that the locking groove is convenient to be matched with the locking hook part 32, and the structure between the interlocks is simple and convenient to mount. In one embodiment, a plurality of studs 111 are arranged on the cabinet door panel 11, and a plurality of mounting holes 1221 respectively corresponding to the plurality of studs 111 are arranged on the mounting plate 122, so that the mounting plate 122 can be sleeved on the studs 111 through the matching between the mounting holes 1221 and the studs 111 during mounting, so as to connect the mounting plate 122 and the cabinet door panel 11, specifically, a nut matched with the stud 111 can be arranged on one side of the mounting plate 122, which faces away from the cabinet door panel 11, to ensure the fixing of the mounting plate 122; specifically, the number of the studs 111 and the mounting holes 1221 may be two; in particular, the stud 111 may be, but is not limited to, welded to the cabinet door 1 by planting welding. In one embodiment, the switch cabinet is a low-voltage switch cabinet, and different functional unit compartments such as a bus bar compartment, an instrument compartment, a metering compartment, a breaker compartment or a cable compartment can be arranged in the switch cabinet.

In one embodiment, referring to fig. 4 to 5, the switch cabinet further includes a cabinet body 4, and the cabinet door 1 is hinged to the cabinet body 4 through a hinge 5. The cabinet 4 is provided with a plurality of heat dissipation holes 42. Each heat dissipation hole 42 is covered with a shielding cover 43; the shielding cover 43 includes a shielding plate 431 provided to face the heat radiation hole 42 and a shroud 432 provided to surround between the shielding plate 431 and the cabinet 4, and the shielding plate 431 and the shroud 432 form a communication port 433 communicating with the heat radiation hole 42. Through the setting of shielding cover 43, can avoid outside dust or aqueous vapor etc. directly to get into inside the cubical switchboard from louvre 42, realize better dustproof and waterproof.

In one embodiment, referring to fig. 4 to 7, the cabinet door 1 further includes a latch 13, and the latch 13 includes a door lock portion 131 disposed on a side of the cabinet door panel 11 opposite to the frame circuit breaker 2 and a link mechanism 132 disposed on a side of the cabinet door panel 11 facing the frame circuit breaker 2; the cabinet 4 is provided with a locking hole 41 matched with the link mechanism 132, and the link mechanism 132 is driven by the door lock portion 131 to have a locking position inserted into the locking hole 41 and an opening position located outside the locking hole 41. Therefore, the cabinet door 1 can be locked and unlocked by operating the door lock part 131 to drive the connecting rod mechanism 132 on the outer side of the cabinet door 1 back to the frame circuit breaker 2, and the safety is improved. Specifically, the door lock portion 131 may be a door lock portion 131 with a keyhole, i.e., the rotation of the internal cylinder can be realized by a key, and the movement of the link mechanism 132 can be further driven by a gear or a rack to realize the insertion into or removal from the locking hole 41; the door lock portion 131 may also be a door lock portion 131 with a rotary handle, i.e. the rotation of the internal rotary shaft is realized by the handle, and the movement of the link mechanism 132 can be further driven by a gear or a rack to realize the insertion into or the removal from the locking hole 41.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A switchgear, is equipped with frame circuit breaker in it, its characterized in that includes:

the cabinet door comprises a cabinet door plate and an interlocking bracket arranged on the cabinet door plate, wherein the interlocking bracket is provided with a clamping groove;

the interlocking piece is rotationally connected to the frame circuit breaker and provided with a moving part and a clamping hook part which is connected with the moving part and can be inserted into the clamping groove;

the frame circuit breaker is provided with a moving pin, the moving pin is located at a first position when the frame circuit breaker is in a charged state, and the moving pin is located at a second position when the frame circuit breaker is in a stopped state; the moving part is erected on the moving pin and moves along with the moving pin, and the clamping hook part is inserted into the clamping groove when the moving pin is located at the first position; when the movable pin moves from the first position to the second position, the interlocking piece is driven to rotate so that the clamping hook part is separated from the clamping groove.

2. The switchgear cabinet according to claim 1, wherein the interlocking member further comprises an elastic member provided on the frame breaker, and the moving portion is abutted against the moving pin by an elastic force of the elastic member.

3. The switch cabinet according to claim 1, wherein the moving pin is provided with a groove, and the moving portion is clamped in the groove.

4. The switchgear cabinet of claim 1, wherein the interlock bracket comprises a mounting plate, a connection plate connected to the mounting plate, and a limit plate connected to the connection plate; the limiting plate is opposite to the mounting plate.

5. The switchgear cabinet as claimed in claim 4, wherein the cabinet door panel is provided with a plurality of studs, and the mounting plate is provided with a plurality of mounting holes corresponding to the plurality of studs, respectively.

6. The switchgear cabinet of claim 1 wherein the switchgear cabinet is a low voltage switchgear cabinet.

7. The switchgear cabinet according to any of claims 1 to 6, further comprising a cabinet body, wherein the cabinet door is hinged to the cabinet body by a hinge.

8. The switchgear cabinet of claim 7, wherein the cabinet door further comprises a latch, the latch comprising a door lock portion provided on a side of the cabinet door panel facing away from the frame circuit breaker and a linkage mechanism provided on a side of the cabinet door panel facing toward the frame circuit breaker; the cabinet body is provided with a locking hole matched with the connecting rod mechanism, and the connecting rod mechanism is driven by the door lock part to be provided with a locking position inserted in the locking hole and an opening position outside the locking hole.

9. The switch cabinet according to claim 7, wherein the cabinet body is provided with a plurality of heat dissipation holes.

10. The switchgear cabinet as claimed in claim 9, wherein each of the heat dissipation holes is covered with a shielding cover; the shielding cover comprises a shielding plate and a surrounding plate, wherein the shielding plate is arranged opposite to the heat dissipation holes, the surrounding plate is arranged between the shielding plate and the cabinet body, and the shielding plate and the surrounding plate form a communication opening communicated with the heat dissipation holes.