CN210744594U - Low-voltage drawer type switch cabinet - Google Patents

Low-voltage drawer type switch cabinet Download PDF

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Publication number
CN210744594U
CN210744594U CN201921956343.XU CN201921956343U CN210744594U CN 210744594 U CN210744594 U CN 210744594U CN 201921956343 U CN201921956343 U CN 201921956343U CN 210744594 U CN210744594 U CN 210744594U
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China
Prior art keywords
drawer
circuit breaker
switch cabinet
locking
cabinet
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Active
Application number
CN201921956343.XU
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Chinese (zh)
Inventor
陈祥
敬华兵
谢晟
刘更强
杨丁丁
王敏辉
胡盛
彭述生
张可明
温育东
谭立为
李凯松
言新
冯晓元
李星琪
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CRRC Zhuzhou Mechanical and Electronic Technology Co Ltd
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CRRC Zhuzhou Mechanical and Electronic Technology Co Ltd
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Abstract

The utility model discloses a low pressure drawer type switch cabinet, including the cabinet body, be equipped with the drawer in the cabinet body, be equipped with main circuit breaker and vice circuit breaker in the drawer, be equipped with business turn over line end on the drawer, business turn over line end is connected with main circuit breaker electricity through vice circuit breaker, is equipped with the operating device who is used for synchronous combined floodgate vice circuit breaker and locking drawer on the drawer. The low-voltage drawer type switch cabinet is convenient to operate, high in reliability and high in safety.

Description

Low-voltage drawer type switch cabinet
Technical Field
The utility model relates to the technical field of electrical equipment, especially, relate to a low pressure drawer type switch cabinet.
Background
At present, the popularity of low-voltage drawer type switch cabinets is higher and higher, the protection measures of drawers in low-voltage drawer cabinets of different types and different manufacturers are different, a molded case circuit breaker using an electric operating mechanism is installed in the drawer, the operation of inserting and separating the drawer cannot be carried out when the molded case circuit breaker is switched on, and otherwise, the drawer is plugged and pulled out under the condition that a power utilization terminal runs (namely, the drawer is loaded), so that an arc-drawing accident is caused. The existing low-voltage drawer cabinet usually adopts a microswitch to drive electrical interlocking, and arcing accidents occur occasionally, so that the safety and the reliability are low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a low pressure drawer type switch cabinet of convenient operation, reliability height and security height.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a low pressure drawer type switch cabinet, includes the cabinet body, be equipped with the drawer in the cabinet body, be equipped with main circuit breaker and vice circuit breaker in the drawer, be equipped with the inlet and outlet terminal on the drawer, the inlet and outlet terminal is connected with main circuit breaker electricity through vice circuit breaker, be equipped with the operating device who is used for synchronous combined floodgate vice circuit breaker and locking drawer on the drawer.
As a further improvement of the above technical solution:
operating device includes rotation axis and driver, the rotation axis activity is located on the drawer, and one end is connected with the driver, the other end is equipped with and pulls out the part, vice circuit breaker has the switch floodgate, it is connected with the switch floodgate linkage to pull out the part, be connected with the locking subassembly that is used for locking drawer and cabinet body on the rotation axis.
The shifting component is provided with a shifting groove, and the switch brake is positioned in the shifting groove.
The auxiliary circuit breaker is provided with a support frame, and the pulling part is movably arranged on the support frame.
The locking assembly comprises a rotary push block, a lock hole and a lock plate capable of being inserted into the lock hole, the rotary push block is fixed on the rotary shaft, the lock plate is slidably arranged on the drawer, the lock hole is formed in the cabinet body, and the rotary push block is abutted to the lock plate.
The rotary push block is provided with a push part, the locking plate is provided with a push groove, and the push part is positioned in the push groove.
The driver is a rotary handle, and the rotary handle is arranged on the outer side of the drawer.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a low pressure drawer type switch cabinet, including the cabinet body, be equipped with the drawer in the cabinet body, be equipped with main circuit breaker and vice circuit breaker in the drawer, be equipped with into leading-out terminal on the drawer, the business turn-out terminal is connected through vice circuit breaker and main circuit breaker electricity, is equipped with the operating device who is used for synchronous combined floodgate vice circuit breaker and locking drawer on the drawer. The pushing process of the drawer is as follows: when the drawer is pushed into the cabinet body to be in place, the auxiliary circuit breaker can be switched on through the operating mechanism, the main circuit breaker is powered on, and meanwhile, the drawer and the cabinet body are locked; the drawer is drawn out: the auxiliary circuit breaker can be switched off through the operating mechanism, the main circuit breaker loses power, and meanwhile the drawer and the cabinet body are unlocked. Because the auxiliary breaker is opened, the main breaker can not be electrified and lose voltage, and can not be closed, thereby ensuring that the main breaker is in an opening state and can not cause arc discharge when the drawer is not pushed into the cabinet body. Therefore, the low-voltage drawer type switch cabinet is convenient to operate, high in reliability and high in safety.
Drawings
Fig. 1 is a schematic view of a first view structure of a drawer of the low-voltage drawer-type switch cabinet of the present invention.
Fig. 2 is a schematic view of a second view structure of the drawer of the low-voltage drawer-type switch cabinet of the present invention.
Fig. 3 is a schematic structural diagram of a control circuit of the low-voltage drawer-type switch cabinet of the present invention.
Fig. 4 is a schematic front view of the operating mechanism of the low-voltage drawer-type switch cabinet of the present invention (the auxiliary circuit breaker is in the open state and the drawer is in the unlocked state).
Fig. 5 is a schematic top view of the operating mechanism of the low-voltage drawer-type switch cabinet of the present invention (the auxiliary breaker is in the open state and the drawer is in the unlocked state).
Fig. 6 is a schematic view of a partial structure of the low-voltage drawer-type switch cabinet of the present invention.
Fig. 7 is a schematic structural diagram of the operating mechanism of the low-voltage drawer-type switch cabinet according to the present invention in a front view (the auxiliary circuit breaker is in a closed state and the drawer is in a locked state).
Fig. 8 is a schematic top view of the operating mechanism of the low-voltage drawer type switch cabinet of the present invention (the auxiliary breaker is in a closed state and the drawer is in a locked state).
The reference numerals in the figures denote:
1. a cabinet body; 2. a drawer; 21. an inlet and outlet wire end; 3. a main circuit breaker; 4. a secondary circuit breaker; 41. switching on and off; 42. a support frame; 5. an operating mechanism; 51. a rotating shaft; 52. a driver; 53. a locking assembly; 531. rotating the push block; 532. a locking plate; 533. a lock hole; 534. a pushing part; 535. pushing the groove; 54. a pulling component; 541. and (5) pulling the groove.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Fig. 1 to fig. 8 show the utility model discloses an embodiment of low pressure drawer type switch cabinet, this low pressure drawer type switch cabinet include the cabinet body 1, are equipped with drawer 2 in the cabinet body 1, are equipped with main circuit breaker 3 and vice circuit breaker 4 in the drawer 2, are equipped with inlet and outlet terminals 21 on the drawer 2, and inlet and outlet terminals 21 is connected with main circuit breaker 3 electricity through vice circuit breaker 4, is equipped with the operating device 5 that is used for synchronous combined floodgate vice circuit breaker 4 and locking drawer 2 on the drawer 2. The pushing process of the drawer 2 is as follows: when the drawer 2 is pushed into the cabinet body 1 to be in place, the auxiliary circuit breaker 4 can be switched on through the operating mechanism 5, the main circuit breaker 3 is powered on, and meanwhile, the drawer 2 and the cabinet body 1 are locked; the drawer 2 is drawn out: can be through operating device 5 with the 4 separating brake of vice circuit breaker, main circuit breaker 3 loses the electricity, simultaneously, unblock drawer 2 and the cabinet body 1, because 4 separating brake of vice circuit breaker, main circuit breaker 3 can't be got the electricity and loses the voltage, can't combined floodgate to when having guaranteed drawer 2 not pushing the cabinet body 1, main circuit breaker 3 is in the separating brake state, can not cause the arc that draws. Therefore, the low-voltage drawer type switch cabinet is convenient to operate, high in reliability and high in safety.
Specifically, the main circuit breaker 3 may be a molded case circuit breaker, and the sub circuit breaker 4 may be a micro circuit breaker.
In this embodiment, as shown in fig. 4, the operating mechanism 5 includes a rotating shaft 51 and a driver 52, the rotating shaft 51 is movably disposed on the drawer 2, one end of the rotating shaft 51 is connected to the driver 52, the other end of the rotating shaft 51 is provided with a pulling member 54, the auxiliary breaker 4 has a switch gate 41, the pulling member 54 is linked to the switch gate 41, and the rotating shaft 51 is connected to a locking assembly 53 for locking the drawer 2 and the cabinet 1. When the driver 52 drives the rotating shaft 51 to rotate, the pulling part 54 can drive the switch 41 of the auxiliary breaker 4 to move, so as to realize switching on or switching off. Specifically, as shown in fig. 4 and 5, when the rotating shaft 51 drives the pulling part 54 to close the auxiliary circuit breaker 4, the rotating shaft 51 drives the locking assembly 53 to lock the drawer 2 on the cabinet 1; as shown in fig. 7 to 8, when the rotating shaft 51 drives the pulling member 54 to open the sub breaker 4, the rotating shaft 51 drives the locking assembly 53 to unlock the drawer 2 from the cabinet 1. Linkage of closing of the main breaker 3 and mechanical locking of the drawer 2 is achieved.
In this embodiment, the shifting unit 54 has a shifting groove 541, the switching gate 41 is located in the shifting groove 541, and the rotation of the shifting unit 54 drives the switching gate 41 to swing so that the switching gate 41 is opened or closed.
In this embodiment, the support frame 42 is disposed on the auxiliary circuit breaker 4, and the pulling member 54 is movably mounted on the support frame 42, so that the rotational stability of the pulling member 54 and the rotating shaft 51 is improved.
In this embodiment, the locking assembly 53 includes a rotary pushing block 531, a locking hole 533 and a locking plate 532 capable of being inserted into the locking hole 533, the rotary pushing block 531 is fixed on the rotary shaft 51, the locking plate 532 is slidably disposed on the drawer 2, the locking hole 533 is disposed on the cabinet 1, and the rotary pushing block 531 abuts against the locking plate 532. In this structure, the rotary push block 531 rotates along with the rotation of the rotating shaft 51, and the rotation of the rotary push block 531 further pushes the locking plate 532 to slide, so that the end of the locking plate 532 is inserted into or extracted from the locking hole 533, thereby locking or unlocking the drawer 2 and the cabinet 1.
In this embodiment, specifically, the rotating push block 531 has a push portion 534 thereon, the push portion 534 can be in a sheet shape or a column shape, the locking piece 532 has a push groove 535 thereon, and the push portion 534 is located in the push groove 535. In this structure, the pushing portion 534 can be rotated about the rotation shaft 51, and the locking piece 532 is located on the rotation plane of the pushing portion 534, as shown in fig. 5 and 8, the pushing portion 534 pushes the side wall of the pushing groove 535 so that the end portion of the locking piece 532 is inserted into or extracted from the locking hole 533.
In this embodiment, the driver 52 is the rotating handle, the rotating handle is located in the drawer 2 outside, the side of rotating handle is equipped with ON and OFF mark ON the cabinet body 1, after the drawer 2 impels to target in place, can rotate the rotating handle to aim at ON department, rotation axis 51 drives the switching-ON/OFF 41 to the closing position that pulls out vice circuit breaker 4 of part 54 this moment, drive rotatory ejector block 531 simultaneously and promote locking plate 532, pass the tip of locking plate 532 lockhole 533 and stretch out to the outside of drawer 2, thereby lock the fixed position at the cabinet body 1 with drawer 2, the operation can no longer be taken out to drawer 2 this moment, and in the electrical principle, because vice circuit breaker 4 is in the closing state, the under-voltage release of main circuit breaker 3 gets electricity (has the under-voltage release in the main circuit breaker 3), main circuit breaker 3 can carry out the closing operation. On the contrary, when the drawer 2 is located outside the cabinet 1, the rotating handle is rotated to the position aligned with OFF, the rotating shaft 51 drives the rotating push block 531 to push the locking plate 532, the end of the locking plate 532 is pushed out to the outside of the drawer 2, the drawer 2 can not be pushed into the cabinet 1, even if the auxiliary circuit breaker 4 is in a closing state, but the drawer 2 is not inserted into the cabinet 1, the primary circuit and the secondary circuit of the drawer 2 are not connected, and the under-voltage release of the main circuit breaker 3 can not be powered on, that is, the circuit breaker 3 can not be closed.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a low pressure drawer type switch cabinet, includes the cabinet body (1), be equipped with drawer (2) in the cabinet body (1), its characterized in that: be equipped with main circuit breaker (3) and vice circuit breaker (4) in drawer (2), be equipped with inlet and outlet wire end (21) on drawer (2), inlet and outlet wire end (21) are connected with main circuit breaker (3) electricity through vice circuit breaker (4), be equipped with operating device (5) that are used for synchronous combined floodgate vice circuit breaker (4) and locking drawer (2) on drawer (2).
2. The low voltage drawer switch cabinet of claim 1, wherein: operating device (5) are including rotation axis (51) and driver (52), rotation axis (51) activity is located on drawer (2), and rotation axis (51) one end is connected with driver (52), and the other end is equipped with pulls out parts (54), vice circuit breaker (4) have switch floodgate (41), it is connected with switch floodgate (41) linkage to pull out parts (54), be connected with locking Assembly (53) that are used for locking drawer (2) and cabinet body (1) on rotation axis (51).
3. The low voltage drawer switch cabinet of claim 2, wherein: the shifting component (54) is provided with a shifting groove (541), and the switch brake (41) is positioned in the shifting groove (541).
4. The low voltage drawer switch cabinet of claim 2, wherein: a supporting frame (42) is arranged on the auxiliary circuit breaker (4), and the pulling part (54) is movably arranged on the supporting frame (42).
5. The low voltage drawer switch cabinet according to any one of claims 2 to 4, wherein: locking subassembly (53) are including rotating ejector pad (531), lockhole (533) and can insert locking plate (532) in lockhole (533), rotating ejector pad (531) are fixed in on rotation axis (51), locking plate (532) are slided and are located on drawer (2), the cabinet body (1) is located in lockhole (533), rotating ejector pad (531) butt is on locking plate (532).
6. The low voltage drawer switch cabinet of claim 5, wherein: the rotary push block (531) is provided with a push part (534), the locking plate (532) is provided with a push groove (535), and the push part (534) is positioned in the push groove (535).
7. The low voltage drawer switch cabinet according to any one of claims 2 to 4, wherein: the driver (52) is a rotary handle, and the rotary handle is arranged on the outer side of the drawer (2).
CN201921956343.XU 2019-11-13 2019-11-13 Low-voltage drawer type switch cabinet Active CN210744594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921956343.XU CN210744594U (en) 2019-11-13 2019-11-13 Low-voltage drawer type switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921956343.XU CN210744594U (en) 2019-11-13 2019-11-13 Low-voltage drawer type switch cabinet

Publications (1)

Publication Number Publication Date
CN210744594U true CN210744594U (en) 2020-06-12

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ID=71009373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921956343.XU Active CN210744594U (en) 2019-11-13 2019-11-13 Low-voltage drawer type switch cabinet

Country Status (1)

Country Link
CN (1) CN210744594U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113363859A (en) * 2021-05-14 2021-09-07 靖江森源电气有限公司 GCS low pressure pull-out type cubical switchboard that can playback automatically

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113363859A (en) * 2021-05-14 2021-09-07 靖江森源电气有限公司 GCS low pressure pull-out type cubical switchboard that can playback automatically

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