CN116191256A

CN116191256A - Strong heat dissipation type high-voltage power distribution cabinet

Info

Publication number: CN116191256A
Application number: CN202211710330.0A
Authority: CN
Inventors: 仇继永
Original assignee: Beijing Dongsheng Advance Switch Factory
Current assignee: Beijing Dongsheng Advance Switch Factory
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30
Anticipated expiration: 2042-12-29
Also published as: CN116191256B

Abstract

The utility model relates to a strong heat dissipation type high-voltage distribution cabinet belongs to the switch board field, and its technical essential is including the hollow cabinet body and be located the top cap on cabinet body top, the top of the cabinet body is the opening form, the bottom of top cap stretches into through the top opening of the cabinet body the inside of the cabinet body and with the cabinet body is fixed, the inside of top cap is provided with hollow cavity, the intercommunication mouth has been seted up on the bottom wallboard of top cap, through thereby the intercommunication mouth is linked together the inside of the cabinet body with the cavity, install the air exhauster in the intercommunication mouth, the air exhauster is used for pumping the internal air of cabinet to the cavity in, set up on the lateral wall board of top cap with the thermovent that the cavity is linked together, the inside of cavity is provided with the opening and closing mechanism that the control thermovent was opened or was closed. The application has the effect of improving the heat radiation capacity of the high-voltage power distribution cabinet.

Description

Strong heat dissipation type high-voltage power distribution cabinet

Technical Field

The application relates to the field of power distribution cabinets, in particular to a strong heat dissipation type high-voltage power distribution cabinet.

Background

Because the high-voltage power distribution cabinet is internally provided with a large number of components such as a fuse, a contactor, a residual current operation protector, a capacitance meter, a circuit breaker, an electric meter, a frequency converter and the like, the components also generate a large amount of heat in the long-time operation process, and particularly the product with the frequency converter generates larger heat.

When the temperature inside the high-voltage power distribution cabinet is too high, the electric elements arranged inside the high-voltage power distribution cabinet are in a high-temperature environment, and the electric elements are easy to damage and even burn out after being in the high-temperature environment for a long time.

Disclosure of Invention

In order to improve the heat dissipation capacity of high-voltage distribution cabinet, this application provides a strong heat dissipation type high-voltage distribution cabinet.

The application provides a strong heat dissipation type high-voltage power distribution cabinet adopts following technical scheme:

the utility model provides a strong heat dissipation type high-voltage distribution cabinet, is including hollow cabinet body and the top cap that is located cabinet body top, the top of the cabinet body is the opening form, the bottom of top cap stretches into through the top opening of the cabinet body the inside of the cabinet body and with the cabinet body is fixed, the inside of top cap is provided with hollow cavity, the intercommunication mouth has been seted up on the bottom wallboard of top cap, through thereby the intercommunication mouth is linked together the inside of the cabinet body with the cavity, install the air exhauster in the intercommunication mouth, the air exhauster is used for sending the internal air of cabinet to the cavity in, set up on the side direction wallboard of top cap with the thermovent that the cavity is linked together, the inside of cavity is provided with the opening and closing mechanism that control thermovent was opened or was closed.

Through adopting above-mentioned technical scheme, after the internal temperature of cabinet risees, opening and closing mechanism opens the louvre on the top cap lateral wall to start the air exhauster, the air exhauster is with the internal air of cabinet to the inside of top cap, and the internal air of entering top cap then discharges to the external world through the thermovent is quick, thereby plays the purpose of quick internal temperature of reduction cabinet.

Optionally, the opening and closing mechanism is including swing joint being in the closure plate in the cavity, closure plate and thermovent quantity are the same and one-to-one, the inside of cavity is provided with the fixed frame of vertical setting, fixed frame is tubular structure, the closure plate is located between thermovent and the fixed frame, the closure plate with leave the distance between the bottom wallboard of top cap, the closure plate is provided with the ejector pin towards the one end of fixed frame, thereby the one end that the closure plate was kept away from to the ejector pin runs through the fixed frame and stretches into in the hole of fixed frame, be provided with the extension spring between the fixed frame with the closure plate, the closure plate to the thermovent is close to and will when the thermovent is sealed, the extension spring is in the state of being elongated, the inside of fixed frame is provided with the drive shaft, the one end and the drive shaft looks butt of closure plate are kept away from to the ejector pin, thereby the top end wallboard that the top cap stretches out to the top cap is provided with the dabber pivoted actuating mechanism, the relative position of ejector pin is provided with outwards stretching out the fixed frame, thereby when the ejector pin is close to the thermovent, thereby the extension plate is kept away from to the thermovent when the closure plate is rotated to the closure plate, the extension plate is close to the thermovent.

Through adopting above-mentioned technical scheme, when the closure plate is controlled to seal the thermovent, control the drive shaft and rotate, make epaxial bellying of drive promote the ejector pin, make the closure plate remove to the position that the thermovent is located. When the ejector rod is opposite to the protruding part and is positioned at the position of the protruding part farthest from the mandrel, the blocking plate is abutted against the inner side surface of the lateral wall plate of the top cover.

When the cooling hole is required to be opened by controlling the blocking plate, the driving shaft is controlled to rotate, the protruding part on the driving shaft and the ejector rod are in a dislocation state, and at the moment, the blocking plate is pulled by the tension spring, so that the blocking plate is separated from the inner side surface of the lateral wall plate of the top cover, and the cooling hole can be opened.

Optionally, a roller is disposed at one end of the ejector rod extending into the inner hole of the fixed frame.

Through adopting above-mentioned technical scheme, through setting up the gyro wheel to reduce the friction loss between ejector pin and the bellying, protect bellying and ejector pin.

Optionally, the actuating mechanism includes the gear of fixing on the dabber top, sliding connection be in the rack of top end wallboard outside surface of top cap, the rack transversely set up and with the gear meshes mutually, one of them one end of rack is provided with the drive piece that drives the rack carries out reciprocating motion.

Through adopting above-mentioned technical scheme, through the reciprocating motion of control rack, drive the dabber and carry out the rotation in turn that corotates, along with the alternation of corotation reversal of dabber, drive the bellying and rotate, realize the alternating of relative state and dislocation state between bellying and the ejector pin.

Optionally, the outside surface of top end wallboard of top cap is provided with the inside sunken chamber that holds, gear, rack and driving piece all are located hold the intracavity.

Through adopting above-mentioned technical scheme, through hiding the inside that holds the chamber with gear, rack and driving piece, can increase the appearance quality of whole high-voltage distribution cabinet, simultaneously carry the in-process to high-voltage distribution, rack, gear and driving piece are difficult for appearing the condition of colliding with.

Optionally, the both sides of closure plate are provided with the guide rail respectively, the guide rail is provided with the joint groove towards one side of closure plate, the closure plate stretches into in the joint groove towards one side of guide rail and can follow the joint groove removes.

Through adopting above-mentioned technical scheme, guide for the removal of closure plate through the guide rail to can make the travel path of closure plate more accurate, thereby make the closure plate can be accurate remove to the direction that the thermovent is located, thereby guarantee that the closure plate can seal the thermovent.

Optionally, the tension spring is sleeved outside the ejector rod.

By adopting the technical scheme, the push rod is used for supporting and guiding the tension spring, so that the tension spring is not easy to bend and deform at a large angle.

Optionally, a dust screen is installed at the heat dissipation port.

Through adopting above-mentioned technical scheme, install the dust screen in thermovent department can effectively block external dust, makes the dust be difficult for entering into the cavity inside of top cap under thermovent open state.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the temperature in the cabinet body is increased, the opening and closing mechanism opens the heat dissipation holes on the side wall of the top cover and starts the exhaust fan, the exhaust fan pumps the air in the cabinet body into the top cover, and the air entering the top cover is rapidly discharged to the outside through the heat dissipation holes, so that the aim of rapidly reducing the temperature in the cabinet body is fulfilled;

2. when the blocking plate is required to be controlled to seal the heat dissipation opening, the driving shaft is controlled to rotate, so that the protruding part on the driving shaft pushes the ejector rod, and the blocking plate moves to the position where the heat dissipation opening is located. When the ejector rod is opposite to the protruding part and is positioned at the position of the protruding part farthest from the mandrel, the blocking plate is abutted against the inner side surface of the lateral wall plate of the top cover;

3. when the blocking plate needs to be controlled to open the heat dissipation opening, the driving shaft is controlled to rotate, so that the protruding part on the driving shaft is in a dislocation state with the ejector rod, and at the moment, the blocking plate is pulled by the tension spring to be separated from the inner side surface of the lateral wall plate of the top cover, so that the heat dissipation opening can be opened;

4. the guide rail guides the movement of the blocking plate, so that the moving path of the blocking plate is more accurate, the blocking plate can accurately move towards the direction where the heat radiation opening is located, and the blocking plate can seal the heat radiation opening.

Drawings

Fig. 1 is a schematic structural diagram of a strong heat dissipation type high-voltage power distribution cabinet according to an embodiment of the application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the top cover according to the embodiment of the present application;

FIG. 4 is a schematic view of the connection between the drive shaft and the closure plate according to an embodiment of the present application;

fig. 5 is a schematic view of the structure of the outside surface of the top end wall panel of the top cover according to the embodiment of the present application.

Reference numerals illustrate: 1. a cabinet body; 2. a top cover; 21. a cavity; 22. a communication port; 23. a heat radiation port; 231. a dust screen; 24. a guide rail; 241. a clamping groove; 25. a fixed frame; 251. a through hole; 26. a receiving chamber; 3. an exhaust fan; 4. a closure plate; 41. a push rod; 42. a roller; 5. a tension spring; 6. a drive shaft; 61. a mandrel; 62. a boss; 7. a gear; 8. a rack; 9. an electric push rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a strong heat dissipation type high-voltage power distribution cabinet.

Referring to fig. 1 and 2, the strong heat dissipation type high-voltage power distribution cabinet comprises a cabinet body 1 with a hollow inside and a top cover 2 positioned at the top end of the cabinet body 1, wherein the top cover 2 is fixedly connected with the cabinet body 1. The top of the cabinet body 1 is in an opening shape, and the bottom of the top cover 2 is inserted into the cabinet body 1 through the top opening of the cabinet body 1. After the bottom end of the top cover 2 is inserted into the cabinet body 1, the top cover 2 and the cabinet body 1 are fixed together through rivets.

The top cover 2 is of a rectangular structure formed by splicing and welding a plurality of steel plates, and the inside of the top cover 2 is spliced by the plurality of steel plates to form a hollow cavity 21. A communication port 22 is formed in the bottom end wall plate of the top cover 2, and the cavity 21 in the top cover 2 is communicated with the inside of the cabinet body 1 through the communication port 22. An exhaust fan 3 is installed in the communication port 22, and the exhaust fan 3 is used for pumping air in the cabinet 1 into the cavity 21 in the cabinet 1.

Referring to fig. 2 and 3, heat dissipation openings 23 are formed in the side wall plates around the top cover 2, and the heat dissipation openings 23 are communicated with the cavity 21. Inside the cavity 21, there are movable plugs 4 in the same number as the heat dissipation ports 23, and the plugs 4 are opposite to the heat dissipation ports 23 one by one. When the closure plate 4 approaches the corresponding heat radiation opening 23 and contacts the inner side surface of the lateral wall plate of the top cover 2, the closure plate 4 seals the heat radiation opening 23. In order to prevent dust from entering the inside of the top cover 2 through the heat dissipation port 23 when the heat dissipation port 23 is opened, a dust screen 231 is installed in the heat dissipation port 23, and the dust screen 231 is fixed in the heat dissipation port 23 through bolts.

Guide rails 24 are respectively arranged on two sides of the plugging plate 4, one end of each guide rail 24 is fixedly connected with the lateral wall plate of the top cover 2, and the other end of each guide rail 24 is fixedly connected with the adjacent guide rail 24 on the adjacent lateral wall plate. The guide rail 24 is provided with a locking groove 241 extending along the longitudinal direction of the guide rail 24 on the side facing the closure plate 4. The closure plate 4 extends into the locking groove 241 toward one side of the guide rail 24 and is movable along the locking groove 241.

The closure plate 4 and the guide rail 24 are spaced from the top and bottom end wall panels of the top cover 2.

A fixing frame 25 of a tubular structure is provided at the central position of the cavity 21, and the fixing frame 25 is vertically provided so that both the top end and the bottom end of the fixing frame 25 are opened. The top of the fixed frame 25 is fixedly connected with the top end wall plate of the top cover 2, and a distance is reserved between the bottom end of the fixed frame 25 and the bottom end wall plate of the top cover 2.

The closure plate 4 is located between the fixed frame 25 and the opposing heat sink 23. One end of the closure plate 4 facing the fixed frame 25 is provided with a push rod 41, one end of the push rod 41 is fixedly connected with the closure plate 4, and one end of the push rod 41 facing the fixed frame 25 penetrates through the fixed frame 25 and stretches into the fixed frame 25. The fixing frame 25 is provided with a through hole 251 for the ejector rod 41 to pass through, and the aperture of the through hole 251 is larger than the diameter of the ejector rod 41. A roller 42 is rotatably connected to one end of the ejector rod 41 extending into the inner hole of the fixed frame 25.

Referring to fig. 3 and 4, a tension spring 5 is provided between the closure plate 4 and the fixing frame 25, the tension spring 5 is sleeved outside the ejector rod 41, one end of the tension spring 5 is fixed to the closure plate 4, and the other end of the tension spring 5 is welded to the fixing frame 25. When the closure plate 4 closes the heat radiation port 23, the tension spring 5 is in an elongated state.

The inside at fixed frame 25 is provided with the drive shaft 6 of vertical setting, and drive shaft 6 is including the dabber 61 of vertical setting in fixed frame 25 inside, rotates between the top of dabber 61 and the top end wallboard of top cap 2 and links to each other, leaves the distance between the bottom of dabber 61 and the bottom wallboard of top cap 2.

Referring to fig. 5, the tip of the mandrel 61 penetrates the tip wall plate of the top cover 2 so as to be exposed from the outer side surface of the tip wall plate of the top cover 2. An inwardly recessed receiving cavity 26 is provided in the outer surface of the top end wall plate of the top cover 2, and the top end of the mandrel 61 is located inside the receiving cavity 26.

Referring to fig. 3 and 5, a gear 7 coaxially provided with the spindle 61 is fixed to the tip of the spindle 61, a rack 8 provided in a lateral direction in the housing chamber 26 and an electric push rod 9 for pushing the rack 8 to reciprocate are provided, the rack 8 is slidably connected to the inside of the housing chamber 26, and the rack 8 is engaged with the gear 7. The electric push rod 9 is positioned on an extension line of the length direction of the rack 8. The electric push rod 9 is fixed inside the accommodation chamber 26. The piston rod of the electric push rod 9 is fixedly connected with the rack 8.

At a position where the mandrel 61 is laterally opposed to the jack 41, a plurality of projections 62 are arranged along the circumferential direction of the mandrel 61, and the number of projections 62 is the same as that of the closure plates 4. The boss 62 abuts against the roller 42 on the jack 41.

When the closure plate 4 needs to be controlled to close the heat dissipation port 23, the driving shaft 6 is controlled to rotate, so that the protruding part 62 on the driving shaft 6 pushes the ejector rod 41, and the closure plate 4 moves to the position where the heat dissipation port 23 is located. When the roller 42 and the boss 62 are at the position furthest from the mandrel 61, the closure plate 4 abuts against the inner side surface of the lateral wall plate of the top cover 2.

When the closure plate 4 needs to be controlled to open the heat dissipation opening 23, the driving shaft 6 is controlled to rotate, so that the protruding part 62 on the driving shaft 6 is in a dislocation state with the ejector rod 41, and at the moment, the tension spring 5 pulls the closure plate 4, so that the closure plate 4 is separated from the inner side surface of the lateral wall plate of the top cover 2, and the opening of the heat dissipation opening 23 can be completed. At this time, the hot air in the cabinet body 1 is pumped into the top cover 2 through the exhaust fan 3, and the hot air in the top cover 2 is rapidly discharged through the heat dissipation port 23, so that rapid cooling in the cabinet body 1 is completed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A strong heat dissipation formula high voltage power distribution cabinet, its characterized in that: including hollow cabinet body (1) and top cap (2) that are located cabinet body (1) top, the top of cabinet body (1) is the opening form, the bottom of top cap (2) is stretched into through the top opening of cabinet body (1) the inside of cabinet body (1) and with cabinet body (1) is fixed, the inside of top cap (2) is provided with hollow cavity (21), communication port (22) have been seted up on the bottom wallboard of top cap (2), through thereby communication port (22) are linked together the inside of cabinet body (1) with cavity (21), install air exhauster (3) in communication port (22), air exhauster (3) are used for in pumping the air in cabinet body (1) to cavity (21), set up on the lateral wallboard of top cap (2) with thermovent (23) that cavity (21) are linked together, the inside of cavity (21) is provided with the opening and closing mechanism that thermovent (23) opened or closed.

2. The strong heat dissipation type high-voltage power distribution cabinet according to claim 1, wherein: the opening and closing mechanism comprises a blocking plate (4) movably connected in the cavity (21), the blocking plate (4) is the same as the cooling holes (23) in number and corresponds to the cooling holes (23) one by one, a fixing frame (25) vertically arranged is arranged in the cavity (21), the fixing frame (25) is of a tubular structure, the blocking plate (4) is positioned between the cooling holes (23) and the fixing frame (25), a distance is reserved between the blocking plate (4) and a bottom end wallboard of the top cover (2), a top rod (41) is arranged at one end of the blocking plate (4) facing the fixing frame (25), one end of the top rod (41) far away from the blocking plate (4) penetrates through the fixing frame (25) to extend into an inner hole of the fixing frame (25), a tension spring (5) is arranged between the fixing frame (25) and the blocking plate (4), the blocking plate (4) faces the cooling holes (23) to be close to each other and is in a state of being elongated, the inner portion of the blocking plate (4) is provided with a driving shaft (6) far away from the top cover (6) and extends out of the top end wallboard (6) of the top cover (2), the top cover (2) is provided with a driving mechanism for driving the mandrel (61) to rotate, a protruding portion (62) protruding outwards is arranged at the position, opposite to the ejector rod (41), of the mandrel (61), when the mandrel (61) rotates, the protruding portion (62) pushes the ejector rod (41) to enable the blocking plate (4) to approach the heat dissipation opening (23) and close the heat dissipation opening (23), and when the protruding portion (62) rotates to be misplaced with the ejector rod (41), the tension spring (5) pulls the blocking plate (4) to be away from the heat dissipation opening (23) so as to open the heat dissipation opening (23).

3. The strong heat dissipation type high-voltage power distribution cabinet according to claim 2, wherein: one end of the ejector rod (41) extending into the inner hole of the fixed frame (25) is provided with a roller (42).

4. The strong heat dissipation type high-voltage power distribution cabinet according to claim 2, wherein: the driving mechanism comprises a gear (7) fixed at the top end of the mandrel (61), and a rack (8) slidably connected to the outer side surface of a top end wall plate of the top cover (2), wherein the rack (8) is transversely arranged and meshed with the gear (7), and one end of the rack (8) is provided with a driving piece for driving the rack (8) to reciprocate.

5. The strong heat dissipation type high-voltage power distribution cabinet according to claim 4, wherein: the top cover is characterized in that an inwards concave accommodating cavity (26) is formed in the outer side surface of the top end wall plate of the top cover (2), and the gear (7), the rack (8) and the driving piece are all located in the accommodating cavity (26).

6. The strong heat dissipation type high-voltage power distribution cabinet according to claim 2, wherein: the two sides of the plugging plate (4) are respectively provided with a guide rail (24), one side of the guide rail (24) facing the plugging plate (4) is provided with a clamping groove (241), and one side of the plugging plate (4) facing the guide rail (24) stretches into the clamping groove (241) and can move along the clamping groove (241).

7. The strong heat dissipation type high-voltage power distribution cabinet according to claim 2, wherein: the tension spring (5) is sleeved outside the ejector rod (41).

8. The strong heat dissipation type high-voltage power distribution cabinet according to claim 1, wherein: a dust screen (231) is arranged at the radiating opening (23).