CN220358659U

CN220358659U - Alternating-current high-voltage frequency converter cabinet with cooling structure

Info

Publication number: CN220358659U
Application number: CN202321948477.3U
Authority: CN
Inventors: 李玉婷; 李泉
Original assignee: Wuhan Hongqingyuan Electric Co ltd
Current assignee: Wuhan Hongqingyuan Electric Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-01-16
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses an alternating current high-voltage frequency converter cabinet with a cooling structure, which comprises a cabinet body, wherein the right side of the cabinet body is connected with a cabinet cover through a hinge, a transverse plate is fixed at a position, close to the bottom end, inside the cabinet body, on the transverse plate, a support is arranged in a sliding mode, the output end of a water pump is connected with a water outlet pipe, the top end of the water outlet pipe is communicated with a cold air pipe, the cold air pipe is positioned in a protective shell, one end, far away from the protective shell, of the cold air pipe is communicated with a water inlet pipe, and the bottom end of the water inlet pipe extends to the inside of the base. When the water pump is used, the water pump is started, cold water in the water tank is pumped into the water outlet pipe, the cold water flows into the cold air pipe along the water outlet pipe, then flows back into the water tank through the water inlet pipe, the fan is started, the temperature of the fan operation wind is reduced when the fan operation wind passes through the cold air pipe, and then wind enters the cabinet body to cool the cabinet body, so that the cooling speed in the cabinet body is increased, and the service life of electrical elements in the cabinet body is prolonged.

Description

Alternating-current high-voltage frequency converter cabinet with cooling structure

Technical Field

The utility model relates to the technical field of frequency converter cabinets, in particular to an alternating-current high-voltage frequency converter cabinet with a cooling structure.

Background

The frequency converter is an electric control device which uses frequency conversion technology and microelectronic technology to control an alternating current motor by changing the working power frequency of the motor, and provides the required power voltage according to the actual requirement of the motor, so as to achieve the purposes of energy saving and speed regulation.

When the AC high-voltage frequency converter is assembled, required electrical components are arranged on a bracket in the frequency converter cabinet, then each electrical component is connected through a wire to form an AC high-voltage frequency converter system, and heat dissipation and temperature reduction treatment are carried out through heat dissipation holes on two sides of the frequency converter cabinet in the operation process of the AC high-voltage frequency converter.

In the use process of the frequency converter cabinet, heat dissipation holes are usually formed in two sides of the frequency converter, and the alternating-current high-voltage frequency converter is subjected to heat dissipation treatment only through the heat dissipation holes in two sides of the frequency converter cabinet in the use process, so that the heat dissipation speed is low, the alternating-current high-voltage frequency conversion system operates, the surface temperature of an electric element is increased, and if the surface temperature of the electric element cannot be reduced to be within a normal operation range, the electric element is damaged due to high temperature, and an explosion problem possibly occurs in severe cases.

Disclosure of Invention

The utility model aims to provide an alternating current high-voltage frequency converter cabinet with a cooling structure, which aims to solve the problems that in the prior art, in the using process of the frequency converter cabinet, radiating holes are usually formed in two sides of the frequency converter, the alternating current high-voltage frequency converter only carries out radiating treatment through the radiating holes in two sides of the frequency converter cabinet in the using process, so that the radiating speed is low, an alternating current high-voltage frequency converter system runs, the surface temperature of an electric element is increased, if the surface temperature of the electric element cannot be reduced to be within a normal running range, the electric element is damaged due to high temperature, and explosion possibly occurs in severe cases.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exchange high-voltage inverter cabinet with cooling structure, includes the cabinet body, there is the cabinet lid cabinet body's right side through hinged joint, the cabinet is inside to be close to the position department that is fixed with the diaphragm of bottom, and slides on the diaphragm and have the support, the top integration of the cabinet body is fixed with the protective housing, and the inside position department that is close to the top of protective housing installs the fan, the fresh air inlet has been seted up on the top of protective housing, the bottom mounting of the cabinet body has the base, the inside right side of base is provided with the water tank, the water pump is installed in the inside left side of base, and the input and the water tank of water pump are linked together, the output of water pump is connected with the outlet pipe, and the intercommunication of outlet pipe top has the cold air pipe, and the cold air pipe is located the protective housing, the intercommunication of protective housing one end has the inlet tube, and the inside that the inlet tube bottom extends to the base.

Through adopting above-mentioned technical scheme, electrical components installs on the support, then starts the water pump, with the interior liquid of water tank take out, and liquid forms the circulation along outlet pipe, cold air pipe and inlet tube, and the fan operation is to the internal air supply of cabinet, and the internal gas temperature of cabinet is low in the air-cooled through the cold air pipe cooling, has accelerated the internal cooling to the cabinet, has prolonged the electrical components life of the internal installation of cabinet.

Preferably, the top end of the inner wall of the cabinet body and the transverse plate are provided with strip-shaped grooves for the support to slide.

Through adopting above-mentioned technical scheme, can play the guide effect to the support through the bar groove, make the support steadily carry out the back-and-forth movement.

Preferably, the screw thread is penetrated through the position of the right side of the support near the bottom end, and one end of the screw is fixed with a baffle.

Through adopting above-mentioned technical scheme, shelter from the outlet pipe through the baffle, avoid when maintaining, the cabinet lid is because of under the effect of external wind force with the cabinet body merge, influence maintenance personal and maintain.

Preferably, a dust screen is mounted on the top end of the protective shell.

Through adopting above-mentioned technical scheme, the effect of dust screen has avoided outside dust to adsorb outside dust and has adhered to in the fresh air inlet on the protective housing under the fan operation, causes the air intake to block up or the dust gets into the cabinet internal, piles up on the internal object of installing of cabinet, influences the heat dissipation of object.

Preferably, the bottom end of the bracket below the transverse plate is fixed with a movable frame, a fixed plate is fixed at the middle position of one end of the bottom end inside the cabinet body, a screw rod penetrates through the middle position of the movable frame in a threaded manner, a through hole larger than the diameter of the screw rod is formed in the fixed plate, one end of the screw rod is rotationally connected with one end of the inner wall of the cabinet body, and the other end of the screw rod is fixedly provided with a first handle.

Through adopting above-mentioned technical scheme, when the first positive and negative rotation of handle, the screw rod is rotatory, and at the rotatory in-process of screw rod, drive the support through the movable frame and carry out back-and-forth movement, through moving the support to be close to cabinet body edge position department, consequently be convenient for carry out dismouting or maintenance processing to the object of installing on the support.

Preferably, the protective housing both ends and be close to corner position department and all be fixed with perpendicular frame, be located cabinet body one end and erect and be fixed with the guide arm between the frame two, be located cabinet body other end two and erect and rotate between the frame and have the lead screw, and lead screw one side extends to one side of erecting the frame and be fixed with handle two, the protective housing is erect the cleaning brush outward, and cleaning brush one end bottom has been seted up the guide hole, the guide arm runs through in the cleaning brush through the guide hole, the screw has been seted up in the position department that the cleaning brush other end corresponds with the guide hole, the lead screw runs through in the cleaning brush through the screw.

Through adopting above-mentioned technical scheme, handle two rotatory lead screw rotates, and the cleaning brush moves about through the cooperation of guide arm this moment, can carry out cleaning treatment to dust that the dust screen was piled up at the in-process that the cleaning brush removed.

Preferably, the bottom end of the cleaning brush is tightly attached to the top end of the dust screen.

By adopting the technical scheme, the dust treatment effect of the cleaning brush on the dust screen is improved.

Compared with the prior art, the utility model has the beneficial effects that: firstly, the water pump is started to pump cold water in the water tank into the water outlet pipe, the cold water flows into the cold air pipe along the water outlet pipe, then flows back into the water tank through the water inlet pipe, the fan is started, the temperature of the fan is reduced when the fan operates through the cold air pipe, and then wind enters the cabinet body to cool the cabinet body, so that the cooling speed in the cabinet body is accelerated, and the service life of electrical elements in the cabinet body is prolonged; secondly, when the electrical components mounted on the bracket are disassembled and assembled or maintained, the first rotary handle and the screw rod rotate, the bracket moves forwards and backwards, the bracket moves to be close to the position of the water outlet pipe, at the moment, the disassembly and the maintenance of the electrical components are convenient, the inconvenience of operation due to limited space in the cabinet body is avoided, and the light in the cabinet body is darker, so that the smooth operation of personnel is also not facilitated; thirdly, after the water outlet pipe is rotated and opened, the support moves forward, the baffle is rotated, the baffle presents a horizontal state, the baffle shields the cabinet cover, the cabinet cover is shielded through the baffle, and the phenomenon that the cabinet cover is automatically combined with the cabinet body due to external factors is avoided, so that maintenance is facilitated to a certain extent.

Drawings

FIG. 1 is a schematic view of an expanded configuration of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a cabinet according to the present utility model;

FIG. 3 is a schematic view of a front partial cross-sectional structure of the present utility model;

FIG. 4 is a schematic side view of a partial bracket and screw connection of the present utility model;

FIG. 5 is a schematic top view of the dust screen of the present utility model;

fig. 6 is a schematic side view of the cleaning brush of the present utility model.

In the figure: 1. a cabinet body; 2. a water outlet pipe; 3. a bracket; 4. a protective shell; 5. a cabinet cover; 6. a first handle; 7. a base; 8. a cross plate; 9. a water inlet pipe; 10. a water tank; 11. a water pump; 12. a cold air pipe; 13. a blower; 14. a dust screen; 15. a stud; 16. a screw; 17. a moving rack; 18. a fixing plate; 19. a baffle; 20. a vertical frame; 21. a guide rod; 22. a screw rod; 23. a cleaning brush; 24. a second handle; 25. a guide hole; 26. screw holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an embodiment of the present utility model is provided: the utility model provides an exchange high-voltage inverter cabinet with cooling structure, includes the cabinet body 1, and there is cabinet lid 5 on the right side of the cabinet body 1 through hinged joint, is provided with locking subassembly between cabinet lid 5 and the cabinet body 1, carries out locking processing between the cabinet body 1 and the cabinet lid 5 through locking subassembly, and the louvre has all been seted up to the both sides of the cabinet body 1, and the louvre is used for the internal hot air of the cabinet body 1 to discharge, realizes gas circulation. The position inside the cabinet body 1, which is close to the bottom end, is fixed with a transverse plate 8, and the transverse plate 8 and the cabinet body 1 are integrated. And the cross plate 8 slides on the bracket 3, and the cross plate 8 plays a bearing role on the bracket 3. The top integration of the cabinet body 1 is fixed with the protective housing 4, and the fan 13 is installed to the position department that is close to the top inside the protective housing 4, and two are installed to fan 13, have accelerated the inside heat dissipation to the cabinet body 1 through two fans 13. An air inlet hole is formed in the top end of the protective shell 4, and air smoothly flows. The dust screen 14 is installed on the top of protective housing 4, and the effect of dust screen 14 reduces the dust and gets into in the cabinet body 1 through the fresh air inlet on the protective housing 4. The bottom of the cabinet body 1 is fixed with a base 7, the right side of the inside of the base 7 is provided with a water tank 10, the left side of the inside of the base 7 is provided with a water pump 11, the position close to the left side in the base 7 is provided with a vertical baffle plate which is integrated, and the baffle plate divides the base 7 into two spaces. And the input of water pump 11 is linked together with water tank 10, and the output of water pump 11 is connected with outlet pipe 2, and outlet pipe 2 top intercommunication has cold air pipe 12, and cold air pipe 12 is located protective housing 4, and cold air pipe 12 overlook and appear "S" setting. The cold air pipe 12 is kept away from protective housing 4 one end intercommunication and is had inlet tube 9, and the inside that the inlet tube 9 bottom extended to base 7, and water tank 10, water pump 11, outlet pipe 2, cold air pipe 12 and inlet tube 9 constitute circulating structure, realize energy-conserving effect.

The water pump 11 and the fan 13 are started, the fan 13 operates to pump external cold air into the cabinet body 1, the water pump 11 operates to pump cold air liquid in the water tank 10, the cold air liquid flows back into the water tank 10 along the water outlet pipe 2, the cold air pipe 12 and the baffle 19, cooling occurs when wind passes through the cold air pipe 12, and the cooling speed in the cabinet body 1 is increased.

The top of the inner wall of the cabinet body 1 and the inside of the transverse plate 8 are provided with strip-shaped grooves for the support 3 to slide, the top of the support 3 is positioned in the strip-shaped groove at the top of the cabinet body 1, the bottom of the support 3 penetrates through the strip-shaped groove on the transverse plate 8, and the strip-shaped groove plays a guiding role on the support 3. The bottom end of the bracket 3 below the transverse plate 8 is fixed with a movable frame 17, a fixed plate 18 is fixed at the middle position of one end of the bottom end inside the cabinet body 1, a screw 16 is threaded through the middle position of the movable frame 17, and the movable frame 17 moves in the rotating process of the screw 16 to drive the bracket 3 to move back and forth stably. The fixing plate 18 is provided with a through hole with a diameter larger than that of the screw 16, and the fixing plate 18 plays a role in supporting the screw 16 so that the screw 16 is in a horizontal state. One end of the screw 16 is rotationally connected with one end of the inner wall of the cabinet body 1, the other end of the screw 16 is fixed with a handle I6, and the screw 16 can be conveniently rotated through the handle I6; the stud 15 is threaded at the position, close to the bottom end, of the right side of the support 3, and the stud 15 is in threaded connection with the support 3, so that the baffle 19 is stable in any state, and the phenomenon of instability of the baffle 19 in a horizontal state due to external factors is avoided. And stud 15 one end is fixed with baffle 19, and baffle 19 drives stud 15 rotation, and baffle 19 rotates to the horizontality, shelters from cabinet lid 5 through baffle 19, avoids cabinet lid 5 to blow because of outside wind-force, and cabinet lid 5 and cabinet body 1 automatic combination, maintenance personal do not receive the wind-force to blow to hit maintenance personal because of cabinet lid 5. Thereby not affecting the maintenance personnel to maintain the electrical components installed in the cabinet body 1.

When the bracket 3 is reset, the first handle 6 is manually rotated, the first handle 6 drives the screw 16 to rotate, the bracket 3 is close to the inner edge of the cabinet body 1, then an electric element of the alternating current high-voltage frequency converter is arranged on the bracket 3, and after the completion, the first handle 6 reversely rotates the bracket 3 to reset to the original position.

The two ends of the protective shell 4 and the positions close to the corners are respectively fixed with a vertical frame 20, a guide rod 21 is fixed between the two vertical frames 20 at one end of the cabinet body 1, a screw rod 22 is rotated between the two vertical frames 20 at the other end of the cabinet body 1, one side of the screw rod 22 extends to one side of the vertical frame 20 and is fixed with a handle II 24, and the vertical frames 20 play a role in erecting the guide rod 21 and the screw rod 22. The second handle 24 facilitates the rotation of the cleaning brush 23. The cleaning brush 23 is erected outside the protective shell 4, a guide hole 25 is formed in the bottom of one end of the cleaning brush 23, the guide rod 21 penetrates through the cleaning brush 23 through the guide hole 25, and the guide rod 21 and the cleaning brush 23 are matched to guide the cleaning brush 23. Screw holes 26 are formed in the other end of the cleaning brush 23 and the position corresponding to the guide holes 25, the screw rod 22 penetrates through the cleaning brush 23 through the screw holes 26, and the screw rod 22 drives the cleaning brush 23 to move while rotating. The bottom of the cleaning brush 23 is tightly attached to the top of the dust screen 14, so that the cleaning effect of dust accumulated on the upper surface of the dust screen 14 is improved.

After the cabinet 1 is used for a long time, dust is accumulated on the dust screen 14 and needs to be treated, the second handle 24 is rotated, the cleaning brush 23 moves left and right in cooperation with the guide rod 21, and at this time, the cleaning brush 23 cleans the dust on the dust screen 14.

Working principle: when the AC high-voltage frequency converter cabinet is used, firstly, the cabinet body 1 is placed in a working area, a certain amount of cooling liquid is stored in the cabinet body 1, the first handle 6 is rotated, the first handle 6 drives the screw 16 to rotate, the bracket 3 is close to the inner edge of the cabinet body 1, then an electric element of the AC high-voltage frequency converter is mounted on the bracket 3, and after the completion, the first handle 6 reversely rotates the bracket 3 to reset to an original position;

secondly, the cabinet cover 5 rotates to be combined with the cabinet body 1, the water pump 11 and the fan 13 are started, the fan 13 operates to pump external cold air into the cabinet body 1, the water pump 11 operates to pump cold air liquid in the water tank 10, the cold air liquid flows back into the water tank 10 along the water outlet pipe 2, the cold air pipe 12 and the baffle 19, and the cooling phenomenon occurs when wind passes through the cold air pipe 12, so that the cooling speed in the cabinet body 1 is increased;

finally, the cabinet body 1 is used for a long time, dust is accumulated on the dustproof net 14 and needs to be treated, the second handle 24 is rotated, the cleaning brush 23 moves left and right in cooperation with the guide rod 21, at the moment, the cleaning brush 23 cleans the dust on the dustproof net 14, and finally the use work of the alternating current high-voltage frequency converter cabinet with the cooling structure is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Alternating current high voltage inverter cabinet with cooling structure, including the cabinet body (1), its characterized in that: the cabinet is characterized in that the cabinet cover (5) is connected to the right side of the cabinet body (1) through a hinge, a transverse plate (8) is fixed to the position, close to the bottom, of the cabinet body (1), a support (3) is arranged on the transverse plate (8) in a sliding mode, a protective shell (4) is integrally fixed to the top of the cabinet body (1), a fan (13) is arranged at the position, close to the top, of the protective shell (4), an air inlet hole is formed in the top of the protective shell (4), a base (7) is fixed to the bottom of the cabinet body (1), a water tank (10) is arranged on the right side of the base (7), a water pump (11) is arranged on the left side of the inside of the base (7), the input end of the water pump (11) is communicated with the water tank (10), a water outlet pipe (2) is connected to the output end of the water pump (11), the top of the water outlet pipe (2) is communicated with a cold air pipe (12), the cold air pipe (12) is located in the protective shell (4), one end of the protective shell (4) is communicated with a water inlet pipe (9), and the bottom of the water inlet pipe (9) extends to the inside of the base (7).

2. An ac high voltage inverter cabinet with a cooling structure according to claim 1, wherein: the top end of the inner wall of the cabinet body (1) and the transverse plate (8) are provided with strip grooves for the sliding of the bracket (3).

3. An ac high voltage inverter cabinet with a cooling structure according to claim 1, wherein: the right side of the support (3) is provided with a stud (15) in a threaded manner at a position close to the bottom end, and a baffle (19) is fixed at one end of the stud (15).

4. An ac high voltage inverter cabinet with a cooling structure according to claim 1, wherein: the top end of the protective shell (4) is provided with a dust screen (14).

5. An ac high voltage inverter cabinet with a cooling structure according to claim 1, wherein: the movable support is characterized in that a movable frame (17) is fixed at the bottom end of the support (3) below the transverse plate (8), a fixed plate (18) is fixed at the middle position of one end of the bottom end inside the cabinet body (1), a screw (16) penetrates through the middle position of the movable frame (17) through threads, a through hole larger than the diameter of the screw (16) is formed in the fixed plate (18), one end of the screw (16) is rotatably connected with one end of the inner wall of the cabinet body (1), and a first handle (6) is fixed at the other end of the screw (16).

6. An ac high voltage inverter cabinet with a cooling structure according to claim 1, wherein: the utility model discloses a cleaning brush, including cabinet body (1), protective housing (4), guide arm (21), screw (22) are fixed with perpendicular frame (20) at both ends and be close to corner position department, are located cabinet body (1) one end two and erect and be fixed with guide arm (21) between frame (20) at two, are located rotation between cabinet body (1) other end two and erect frame (20) screw (22), and screw (22) one side extends to one side of erecting frame (20) and be fixed with handle two (24), protective housing (4) erect cleaning brush (23) outward, and cleaning brush (23) one end bottom has seted up guide hole (25), guide arm (21) run through in cleaning brush (23) through guide hole (25), screw (26) have been seted up in the position department that cleaning brush (23) other end and guide hole (25) correspond, screw (22) run through in cleaning brush (23) through screw (26).

7. The ac high voltage inverter cabinet with cooling structure of claim 6, wherein: the bottom end of the cleaning brush (23) is tightly attached to the top end of the dust screen (14).