CN115832892B - Self-locking medium-voltage switch cabinet - Google Patents

Self-locking medium-voltage switch cabinet Download PDF

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Publication number
CN115832892B
CN115832892B CN202310109687.1A CN202310109687A CN115832892B CN 115832892 B CN115832892 B CN 115832892B CN 202310109687 A CN202310109687 A CN 202310109687A CN 115832892 B CN115832892 B CN 115832892B
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China
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cabinet
frame
door
cabinet body
cabinet door
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CN115832892A (en
Inventor
胡跃东
田振超
尚小洁
武雅君
胡晨光
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Shandong Yu Yu Industrial Co ltd
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Shandong Yu Yu Industrial Co ltd
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Publication of CN115832892A publication Critical patent/CN115832892A/en
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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
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Abstract

The invention relates to a switch cabinet, in particular to a self-locking medium-voltage switch cabinet. The invention provides a self-locking medium voltage switch cabinet which comprises a cabinet body, cabinet doors, rotating shafts, cams and a door closing frame, wherein the cabinet body is divided into a plurality of cavities, each cavity can accommodate electronic components, one side of the cabinet body is rotatably connected with cabinet doors with the same number as the cavities, the plurality of cabinet doors are respectively used for shielding the plurality of cavities in the cabinet body, the rotating shafts are connected at the connection positions of the cabinet doors and the cabinet body, the cams are connected on the rotating shafts, the positions, close to the rotating shafts, in the cabinet body are all connected with related door frames in a sliding mode, and connecting rods are hinged between the door frames and the cams on the rotating shafts, close to the door frames. According to the invention, after the cabinet door is opened for a period of time, the cabinet door can be automatically closed by controlling the extension of the telescopic rod of the air cylinder through the time relay, so that dust in the oilfield exploitation process is prevented from entering the switch cabinet and adhering to the electronic components due to the fact that someone forgets the cabinet door after the overhaul is finished.

Description

Self-locking medium-voltage switch cabinet
Technical Field
The invention relates to a switch cabinet, in particular to a self-locking medium-voltage switch cabinet.
Background
In the process of oil field exploitation, a plurality of large-scale mechanical devices are usually used, and the mechanical devices work and require a large amount of power supply, so that the corresponding power devices are generally arranged at the position where an oil field exists to supply power to the mechanical devices, and the medium-voltage switch cabinet is an important device in the power devices.
When the existing switch cabinet is used, the cabinet door of the switch cabinet is closed completely by a worker, if the worker forgets to close the cabinet door of the switch cabinet and directly leaves the cabinet door after the worker overhauls in the switch cabinet, dust in the oil field exploitation process is easy to enter the switch cabinet through a gap opened by the switch cabinet, and then the dust is easy to adhere to the electronic components inside the switch cabinet, so that the electronic components are easy to be short-circuited due to too much dust adhering to the electronic components for a long time, even the fire disaster occurs, the switch cabinet is positioned at the oil field, and nearby combustible materials are more, so that serious economic loss can be caused once the fire disaster occurs.
Disclosure of Invention
In view of the above, the present invention provides a self-locking medium voltage switchgear.
The technical implementation scheme of the invention is as follows: the utility model provides a self-locking medium voltage switchgear, including the cabinet body, the cabinet door, the pivot, the cam, close the portal, the connecting rod, promote subassembly and control unit, internal a plurality of cavitys of dividing into of cabinet, every cavity all can hold electronic components, cabinet body one side rotation is connected with the cabinet door that quantity is unanimous with cavity quantity, a plurality of cabinet doors are used for sheltering from a plurality of cavitys in the cabinet body respectively, the junction of cabinet door and the cabinet body is connected with the pivot, be connected with the cam in the pivot, the position that is close to a plurality of pivots in the cabinet is all sliding connection and is related the portal, all articulated be connected with the connecting rod between the portal and the pivot that is close to it, the cabinet door can promote the frame of closing the door and remove backward, otherwise, also can drive the cabinet door and close, the internal promotion subassembly that is provided with of cabinet, the promotion subassembly is used for promoting the frame of closing the door, the internal control unit that is provided with of cabinet, the control unit is used for controlling and promotes the subassembly operation.
Further stated, the pushing assembly comprises a pushing plate, an air cylinder, a first elastic piece and an L-shaped pushing plate, the air cylinder is arranged in each cavity of the cabinet body, the L-shaped pushing plate is connected to the telescopic rod of the air cylinder, the pushing plate is connected to the door closing frame in a sliding mode, the L-shaped pushing plate can push the pushing plate to move backwards, and the first elastic piece is connected between the pushing plate and the door closing frame.
Further stated, the control unit comprises a contact switch, a contact rod and a time relay, wherein each cavity of the cabinet body is internally connected with the contact switch, the push plate is connected with the contact rod, the contact rod can be in contact with the contact switch, each cavity of the cabinet body is internally provided with the time relay, and the time relay is respectively and electrically connected with the contact switch and the air cylinder.
Further, the cabinet door is characterized by further comprising a clamping assembly, wherein the clamping assembly comprises a clamping block and a handle, the handle is connected to the cabinet door in a rotating mode, the clamping block is connected to the handle, through holes are formed in the plurality of chambers in the cabinet body, the clamping block can penetrate through the through holes, and the clamping block can be clamped in the through holes in a rotating mode.
Further described, the cabinet door is also provided with a baffle plate, and the baffle plate is connected to the cabinet door and blocks one side of the handle.
Further, the novel cabinet is characterized by further comprising an extrusion assembly, wherein the extrusion assembly comprises a connecting frame and a pushing frame, the pushing frame is connected in each cavity of the cabinet body in a sliding mode, the pushing frame moves downwards to push the clamping blocks to rotate, the connecting frame is hinged between the pushing frame and the top of the similar L-shaped pushing plate, and the L-shaped pushing plate can move downwards through the connecting frame to drive the pushing frame.
Further, the cabinet door also comprises a buffer plate and a second elastic piece, wherein the buffer plate is connected to the cabinet door in a sliding mode, and the second elastic piece is connected between the buffer plate and the cabinet door.
Further stated, the cabinet also comprises a shielding frame body, wherein each cavity of the cabinet body is connected with the shielding frame body, and the shielding frame body can shield parts in the cavity.
The beneficial effects of the invention are as follows: 1. according to the invention, after the cabinet door is opened for a period of time, the cabinet door can be automatically closed by controlling the extension of the telescopic rod of the air cylinder through the time relay, so that dust in the oilfield exploitation process is prevented from entering the switch cabinet and adhering to the electronic components due to the fact that someone forgets the cabinet door after the overhaul is finished.
2. According to the invention, after the cabinet door is closed, the clamping blocks can be extruded by the pushing frame to rotate and lock the cabinet door, so that the cabinet door can be prevented from being rotated and opened at will, and dust in the oilfield exploitation process is prevented from entering the cabinet body.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the cabinet door and the rotary shaft according to the present invention.
Fig. 3 is a schematic perspective view of the cabinet door of the present invention after being closed.
Fig. 4 is a schematic perspective view of the components of the cam, connecting rod, pushing assembly, etc. of the present invention.
Fig. 5 is a schematic perspective view of the components of the cam, the connecting rod, the door closing frame and the like.
Fig. 6 is a schematic perspective view of the components of the pushing assembly, the control unit, the door closing frame and the like.
Fig. 7 is a schematic view of a partial perspective view of the clamping assembly and the compression assembly of the present invention.
Fig. 8 is a schematic perspective view of the latch, handle and cabinet door of the present invention.
Fig. 9 is a schematic perspective view of the handle, baffle and cabinet door of the present invention.
Fig. 10 is a schematic perspective view of an L-shaped push plate and compression assembly of the present invention.
Fig. 11 is a schematic perspective view of the pushing frame and the clamping block after the cabinet door is closed.
FIG. 12 is a schematic perspective view of the baffle, second resilient member and cabinet door of the present invention.
The marks of the components in the drawings are as follows: 1. the cabinet body, 2, cabinet door, 21, pivot, 31, cam, 32, connecting rod, 33, close portal, 34, push plate, 35, cylinder, 36, first elastic component, 37, L shape push pedal, 41, contact switch, 42, contact lever, 43, time relay, 51, fixture block, 52, handle, 53, baffle, 61, link, 62, push frame, 71, buffer plate, 72, second elastic component, 8, shielding frame.
Detailed Description
Although the invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize such things as: terms such as above, below, upward, downward, etc. are used for describing the drawings, and do not represent limitations upon the scope of the present invention defined by the appended claims. Such as: any numerical designation of the first or second, etc. is merely exemplary and is not intended to limit the scope of the present invention in any way.
Example 1
1-6, including cabinet body 1, cabinet door 2, pivot 21, cam 31, door closing frame 33, connecting rod 32, promote subassembly and control unit, three cavity in the cabinet body 1 is divided into, every cavity can hold electronic components, cabinet body 1 left side front portion swivelling joint has three cabinet door 2, three cabinet door 2 is used for sheltering from three cavities in the cabinet body 1 respectively, the junction of cabinet door 2 and cabinet body 1 is connected with pivot 21, pivot 21 and cabinet body 1 swivelling joint, the upper and lower both sides of pivot 21 all are connected with cam 31, the left side wall slip is connected with three door closing 33 in the cabinet body 1, three door closing 33 is located three cavities of cabinet body 1 respectively, all hinge connection has connecting rod 32 between door closing 33 and the two cams 31 in the pivot 21 that are close to it, cabinet door 2 closes and can drive pivot 21 rotation, pivot 21 rotation can promote door closing 33 through connecting rod 32 and remove backward, otherwise, guan Menjia can drive cabinet door 2 and promote cabinet door closing 1 and be provided with cam 31, it is used for the control unit to promote the door closing subassembly to remove to the door closing 1, control unit setting up in the door closing assembly, control unit is used for the door closing subassembly to the door closing 1.
As shown in fig. 4 and 6, the pushing assembly includes a pushing plate 34, an air cylinder 35, a first elastic member 36 and an L-shaped pushing plate 37, the air cylinder 35 is mounted at the left front side in the three chambers of the cabinet body 1, the L-shaped pushing plate 37 is connected to the telescopic rod of the air cylinder 35, the pushing plate 34 is slidably connected to the door closing frame 33, the L-shaped pushing plate 37 contacts with the pushing plate 34, so that the L-shaped pushing plate 37 can push the pushing plate 34 to move backwards, the first elastic member 36 is connected between the pushing plate 34 and the door closing frame 33, so that the pushing plate 34 can drive the door closing frame 33 to move backwards through the first elastic member 36 when the door closing frame 33 moves backwards to the limit, and the first elastic member 36 can play a buffering role.
As shown in fig. 6, the control unit includes a contact switch 41, a contact rod 42 and a time relay 43, the contact switch 41 is connected to the left front side in three chambers of the cabinet body 1, the contact switch 41 is located above the air cylinder 35, the push plate 34 is connected with the contact rod 42, the contact rod 42 can contact with the contact switch 41, the time relay 43 is installed in three chambers of the cabinet body 1, and the three time relays 43 are respectively connected with the three contact switches 41 and the three air cylinders 35 through electrical connection.
In the oil field exploitation process, the switch cabinet can be used according to the power supply requirement, when the internal parts of the switch cabinet are required to be overhauled in the process of using the switch cabinet, the cabinet door 2 can be opened, the rotating shaft 21 can be driven to rotate when the cabinet door 2 is opened, the rotating shaft 21 rotates to drive the cam 31 to rotate, the cam 31 rotates to drive the door closing frame 33 to move forwards through the connecting rod 32, the door closing frame 33 moves forwards to drive the pushing plate 34 to move forwards through the first elastic piece 36, the pushing plate 34 props against the L-shaped pushing plate 37 after moving forwards, the pushing plate 34 can drive the contact rod 42 to contact with the contact switch 41 when moving forwards, so that the time relay 43 is opened, the cabinet door 2 is completely opened at the moment, the time relay 43 can be started after a certain time, and an operator can operate the time relay 43 to start the air cylinder 35 after a certain time according to the expected requirement of overhauling, after the maintenance is finished, if an operator forgets to close the cabinet door 2, when the time relay 43 reaches the expected time, the control cylinder 35 starts to extend and retract after the extension to the limit, the cylinder 35 pushes the L-shaped push plate 37 to move backwards when the extension is finished, the L-shaped push plate 37 moves backwards to drive the push plate 34 to move backwards, the push plate 34 moves backwards to push the door frame 33 to move backwards through the first elastic piece 36, the door frame 33 moves backwards to drive the cam 31 to rotate through the connecting rod 32, the cam 31 rotates to drive the rotating shaft 21 to rotate, the rotating shaft 21 rotates to close the cabinet door 2, when the telescopic rod of the cylinder 35 extends to the limit, the cabinet door 2 is also completely closed, and the telescopic rod of the cylinder 35 is retracted at the moment, so that the switch cabinet can be used, and after the maintenance of the operator is finished, the cabinet door 2 is automatically closed to avoid the cabinet door 2 from being opened to leak the gap, causing dust from the oilfield exploitation to enter the cabinet 1 and adhere to the electronic components.
Example 2
On the basis of embodiment 1, as shown in fig. 2, 7, 8 and 9, the cabinet door further comprises a clamping assembly, the clamping assembly comprises a clamping block 51, a handle 52 and a baffle 53, the handle 52 is rotatably connected to the cabinet door 2, the clamping block 51 is connected to one side, close to the cabinet body 1, of the handle 52 when the cabinet door 2 is closed, through holes are formed in the right sides of three chambers in the cabinet body 1, the clamping block 51 can penetrate through the through holes when the cabinet door 2 is closed, the clamping block 51 can be rotationally clamped in the through holes, the cabinet door 2 is difficult to be pulled out directly at the moment, so that the cabinet door 2 is prevented from being opened due to mistaken touch by a person, the baffle 53 is connected to the cabinet door 2, and the baffle 53 blocks the upper portion of the handle 52, so that the handle 52 is prevented from rotating upwards.
As shown in fig. 7, 10 and 11, the cabinet further comprises an extrusion assembly, the extrusion assembly comprises a connecting frame 61 and a pushing frame 62, the pushing frame 62 is slidably connected to the front sides of the three chambers of the cabinet body 1, when the cabinet door 2 is closed, the clamping block 51 is located at the moving track of the pushing frame 62, the pushing frame 62 moves downwards to push the clamping block 51 to rotate, the connecting frame 61 is hinged between the left side of the pushing frame 62 and the top of the adjacent L-shaped pushing plate 37, and therefore the L-shaped pushing plate 37 can move through the connecting frame 61 to drive the pushing frame 62 to move downwards.
When the cabinet door 2 is closed, the clamping block 51 can extend into the cabinet body 1 through the through hole at the cabinet body 1, the L-shaped push plate 37 can drive the connecting frame 61 to swing anticlockwise when moving backwards, and referring to fig. 10, the connecting frame 61 can pull the pushing frame 62 to move downwards, when the clamping block 51 extends into the cabinet body 1, the pushing frame 62 also moves downwards to be in contact with the clamping block 51, at the moment, the pushing frame 62 continues to move downwards to push the clamping block 51 to rotate, the clamping block 51 is in a vertically staggered state with the through hole after rotating, so that the cabinet door 2 is locked, and at the moment, only the handle 52 can be rotated firstly to drive the clamping block 51 to rotate reversely to the original position, so that the cabinet door 2 can be opened, after the cabinet door 2 is closed, the cabinet door 2 is locked, and misoperation of a person is avoided, and the cabinet door 2 is opened.
As shown in fig. 12, the cabinet door further comprises a buffer plate 71 and a second elastic member 72, wherein the buffer plate 71 is slidably connected to one side of the cabinet door 2, which is close to the cabinet body 1, when the cabinet door 2 is closed, the second elastic member 72 is connected between the buffer plate 71 and the cabinet door 2, and when the cabinet door 2 is closed, the buffer plate 71 is in contact with the cabinet body 1, and the second elastic member 72 can play a role in buffering.
When cabinet door 2 is closed, buffer board 71 can contact with cabinet body 1 earlier, and buffer board 71 can play the cushioning effect this moment, and second elastic component 72 also can stretch out and draw back to buffer board 71, avoid closing the door speed too fast, lead to taking place strong collision between cabinet body 1 and cabinet door 2, lead to cabinet body 1 or cabinet door 2 damage.
As shown in fig. 1, the cabinet further comprises a shielding frame body 8, wherein the left side walls of the three chambers of the cabinet body 1 are respectively connected with the shielding frame body 8, and the three shielding frame bodies 8 can shield the parts in the three chambers respectively and are used for protecting the parts in the three chambers.
While the disclosure has been described with respect to only a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (6)

1. The utility model provides a self-locking medium voltage switchgear, including cabinet body (1) and cabinet door (2), a serial communication port, still including pivot (21), cam (31), door closing frame (33), connecting rod (32), promote subassembly and control unit, a plurality of cavitys in the cabinet body (1) are divided, every cavity can hold electronic components, cabinet door (2) that cabinet body (1) one side rotation is connected with quantity and cavity quantity unanimity, a plurality of cabinet doors (2) are used for sheltering from a plurality of cavitys in cabinet body (1) respectively, the junction of cabinet door (2) and cabinet body (1) is connected with pivot (21), be connected with cam (31) on pivot (21), the position that is close to many pivots in cabinet body (1) all is connected with door closing frame (33) in the sliding mode, all hinge connection between cam (31) on door closing frame (33) and pivot (21) that are close to it, cabinet door (2) can promote door closing frame (33) and the backward movement, conversely, cabinet door (2) can drive cabinet door closing (1) to promote the subassembly and be used for promoting the door closing unit (1) to the control unit to the operation after setting up, control unit is used for promoting door closing (1); the pushing assembly comprises a pushing plate (34), an air cylinder (35), a first elastic piece (36) and an L-shaped pushing plate (37), the air cylinder (35) is arranged in each cavity of the cabinet body (1), the L-shaped pushing plate (37) is connected to a telescopic rod of the air cylinder (35), the pushing plate (34) is connected to the door closing frame (33) in a sliding mode, the L-shaped pushing plate (37) can push the pushing plate (34) to move backwards, and the first elastic piece (36) is connected between the pushing plate (34) and the door closing frame (33); the control unit comprises a contact switch (41), a contact rod (42) and a time relay (43), wherein each cavity of the cabinet body (1) is internally connected with the contact switch (41), the push plate (34) is connected with the contact rod (42), the contact rod (42) can be in contact with the contact switch (41), the time relay (43) is arranged in each cavity of the cabinet body (1), and the time relay (43) is respectively and electrically connected with the contact switch (41) and the cylinder (35).
2. The self-locking medium voltage switchgear according to claim 1, further comprising a clamping assembly, wherein the clamping assembly comprises a clamping block (51) and a handle (52), the handle (52) is rotatably connected to the cabinet door (2), the clamping block (51) is connected to the handle (52), through holes are formed in the upper portions of the chambers in the cabinet body (1), the clamping block (51) can penetrate through the through holes, and the clamping block (51) can be clamped in the through holes in a rotating mode.
3. A self-locking medium voltage switchgear cabinet according to claim 2, characterized in that it further comprises a baffle (53), the cabinet door (2) is connected with the baffle (53), the baffle (53) blocks one side of the handle (52).
4. The self-locking medium voltage switchgear according to claim 2, further comprising a squeezing assembly, wherein the squeezing assembly comprises a connecting frame (61) and a pushing frame (62), each chamber of the switchgear body (1) is slidably connected with the pushing frame (62), the pushing frame (62) moves downwards to push the clamping block (51) to rotate, the connecting frame (61) is hinged between the pushing frame (62) and the top of the adjacent L-shaped pushing plate (37), and the L-shaped pushing plate (37) can move downwards by driving the pushing frame (62) through the connecting frame (61).
5. A self-locking medium voltage switchgear according to claim 1, characterized in that it further comprises a buffer plate (71) and a second elastic member (72), the buffer plate (71) is slidingly connected to the cabinet door (2), and the second elastic member (72) is connected between the buffer plate (71) and the cabinet door (2).
6. The self-locking medium voltage switchgear according to claim 1, further comprising a shielding frame (8), wherein each chamber of the switchgear (1) is connected with a shielding frame (8), and the shielding frame (8) can shield components in the chamber.
CN202310109687.1A 2023-02-14 2023-02-14 Self-locking medium-voltage switch cabinet Active CN115832892B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310109687.1A CN115832892B (en) 2023-02-14 2023-02-14 Self-locking medium-voltage switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310109687.1A CN115832892B (en) 2023-02-14 2023-02-14 Self-locking medium-voltage switch cabinet

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CN115832892A CN115832892A (en) 2023-03-21
CN115832892B true CN115832892B (en) 2023-05-16

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214428940U (en) * 2021-04-22 2021-10-19 浙江冠泽电气设备有限公司 High-voltage switch cabinet frame capable of automatically closing door

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Publication number Priority date Publication date Assignee Title
JPS553272B2 (en) * 1974-04-05 1980-01-24
EP1072739A1 (en) * 1999-07-30 2001-01-31 Bolt Gestion y Patrimonio, S.L. Propelling and blocking device for the doors of safes
CN109972951B (en) * 2019-03-23 2023-09-15 广东星徽精密制造股份有限公司 Automatic turn-up door buffering hinge of opening and close
CN217036397U (en) * 2021-12-27 2022-07-22 安徽万华柜体制造有限公司 High-voltage power distribution cabinet with self-locking cabinet door
CN218234796U (en) * 2022-08-15 2023-01-06 安徽博微智能电气有限公司 Vertical upward-turning door mechanism

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214428940U (en) * 2021-04-22 2021-10-19 浙江冠泽电气设备有限公司 High-voltage switch cabinet frame capable of automatically closing door

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