CN209963978U

CN209963978U - Switch board with variable frequency speed governing function

Info

Publication number: CN209963978U
Application number: CN201921133152.3U
Authority: CN
Inventors: 郭振裕; 林燕贞
Original assignee: Zhangzhou Fengwei Intelligent Control Technology Co Ltd
Current assignee: Zhangzhou Fengwei Intelligent Control Technology Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-01-17
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a switch board with variable frequency speed governing function, the intelligent cabinet temperature adjusting device comprises a cabinet body, rotate on the lateral wall of the cabinet body and install the gear piece, the internally mounted of the cabinet body has the converter body, it has the regulation and control knob of rack tooth to be provided with the surface on the converter body, the top fixedly connected with heat dissipation case of the cabinet body, two sets of heat release chambeies and a set of heat absorption chamber are cut apart into through two sets of polyurethane heat insulating boards in the inside of heat dissipation case, and are two sets of run through respectively on the polyurethane heat insulating board and install the semiconductor refrigeration piece, the both ends in heat absorption chamber are respectively through the top intercommunication of exhaust tube and outlet duct and the cabinet. The utility model can regulate and control the frequency converter body through the gear piece outside the cabinet body, thereby facilitating the manual and rapid treatment when some abnormal conditions occur; realize inside gas circulation fast and cool down the heat dissipation, can play dustproof and cooling's effect, reduce variable frequency speed control's fault rate.

Description

Switch board with variable frequency speed governing function

Technical Field

The utility model relates to a switch board technical field specifically is a switch board with variable frequency speed governing function.

Background

The basic principle of the frequency-conversion speed-regulation technology is that the purpose of changing the rotating speed of the motor is achieved by changing the frequency of the working power supply of the motor according to the direct proportion relation between the rotating speed of the motor and the input frequency of the working power supply. In industrial processes, frequency converters are often used to control the speed of the motor. In the production process of the frequency converter, a large amount of heat can be emitted due to frequent adjustment, and once the heat cannot be timely dissipated, the frequency converter is easy to break down; when the fault occurs, the debugging can be carried out only after the rear cabinet body is manually opened, which is very inconvenient; and the existing frequency converter equipment is in a control cabinet easy to dissipate heat, and dust is easy to enter due to the fact that the existing frequency converter equipment is in a non-sealing state, influences heat dissipation and easily enters the frequency converter equipment to cause failure or equipment failure.

Therefore, a control cabinet which can be manually debugged and operated from the outside of the cabinet body when a fault occurs, is easy to radiate heat and is dustproof and has a frequency conversion and speed regulation function is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a control cabinet with frequency conversion speed regulation function, which can regulate and control the frequency converter body outside the cabinet body through the gear piece, so that when some abnormal conditions occur, the manual quick treatment can be carried out without opening the cabinet door; realize inside gas circulation fast and cool down the heat dissipation, can play dustproof and the effect of cooling down, avoid the internal portion of cabinet because laying dust influences the heat dissipation, reduce variable frequency speed control's fault rate to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a control cabinet with a frequency conversion speed regulation function comprises a cabinet body, wherein gear pieces are rotatably installed on the side wall of the cabinet body, a frequency converter body is installed inside the cabinet body, a regulation knob with rack teeth on the surface is arranged on the frequency converter body, the rack teeth on the outer side of the regulation knob are meshed with the gear pieces, one side of each gear piece penetrates through the side wall of the cabinet body, angle scale marks are arranged on the side surface of each gear piece, a pointer for indicating the angle scale marks is fixedly connected to the surface of the outer side of the cabinet body, a heat dissipation box is fixedly connected to the top of the cabinet body, the inside of the heat dissipation box is divided into two groups of heat dissipation cavities and one group of heat absorption cavities through two groups of polyurethane heat insulation plates, the heat absorption cavities are arranged between the two groups of heat dissipation cavities, semiconductor refrigeration pieces are respectively installed on the two groups of polyurethane heat insulation plates in a penetrating manner, and line passing holes for facilitating the power connection, the two ends of the heat absorption cavity are respectively communicated with the top of the cabinet body through an exhaust pipe and an air outlet pipe, and a circulating air pump is installed on the air outlet pipe.

Preferably, a sealed cabinet door is installed on the cabinet body.

Preferably, the tops of the two groups of heat release cavities are respectively and hermetically inserted with heat pipes, and the upper parts of the heat pipes are fixedly connected with copper radiating fins.

Preferably, the two groups of semiconductor refrigeration pieces are provided with heat absorption end faces and heat release end faces, the heat absorption end faces are arranged on two sides of the heat absorption cavity respectively, and the heat release end faces are arranged in the heat release cavity respectively.

Preferably, the connecting wire of the semiconductor refrigeration piece penetrates through the wire passing hole through the plastic package glue in a sealing mode and is communicated with the power supply inside the cabinet body.

Preferably, the top and the bottom of the heat dissipation box are both provided with polyurethane plates, and the side plates on the two sides of the heat dissipation box are provided with heat-conducting copper plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can regulate and control the frequency converter body through the gear piece outside the cabinet body, so that when some abnormal conditions occur, the manual quick treatment can be carried out without opening the cabinet door;

2. through the heat dissipation case under the cabinet body is in sealed condition, realize inside gas circulation fast and cool down the heat dissipation, can play dustproof and effect of cooling down, avoid the internal portion of cabinet because laying dust influences the heat dissipation, reduce variable frequency speed regulation's fault rate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the inside of the cabinet body of the present invention;

FIG. 3 is a schematic view of the internal structure of the heat dissipation box of the present invention;

fig. 4 is a schematic structural view of the semiconductor refrigeration sheet of the present invention.

In the figure: 1. a cabinet body; 2. sealing the cabinet door; 3. a gear piece; 4. angle scale lines; 5. a pointer; 6. a heat dissipation box; 7. a heat dissipating fin; 8. a heat pipe; 9. an air exhaust pipe; 10. a circulating air pump; 11. an air outlet pipe; 12. a frequency converter body; 13. a regulating knob; 14. a polyurethane thermal insulation board; 15. a heat release cavity; 16. a wire passing hole; 17. a heat absorption cavity; 18. a semiconductor refrigeration sheet; 19. a heat absorbing end face; 20. a heat release end face.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the control cabinet with the variable frequency speed regulation function comprises a cabinet body 1, wherein a gear piece 3 is rotatably installed on the side wall of the cabinet body 1, a frequency converter body 12 is installed inside the cabinet body 1, a regulating knob 13 with rack teeth on the surface is arranged on the frequency converter body 12, the rack teeth outside the regulating knob 13 are meshed with the gear piece 3, one side of the gear piece 3 penetrates through the side wall of the cabinet body 1, angle scale marks 4 are arranged on the side surface of the gear piece 3, a pointer 5 used for indicating the angle scale marks 4 is fixedly connected to the surface of the outer side of the cabinet body 1, a heat dissipation box 6 is fixedly connected to the top of the cabinet body 1, the inside of the heat dissipation box 6 is divided into two groups of heat release cavities 15 and one group of heat absorption cavities 17 through two groups of polyurethane heat insulation plates 14, the two groups of heat insulation plates are provided between the two groups of heat release cavities 15, and semiconductor refrigeration pieces 18 are respectively installed on, the bottom of the heat dissipation box 6 is provided with a wire passing hole 16 which penetrates through the top of the cabinet body 1 and is convenient for the semiconductor refrigeration sheet 18 to be connected with electricity, two ends of the heat absorption cavity 17 are respectively communicated with the top of the cabinet body 1 through an exhaust pipe 9 and an air outlet pipe 11, and the air outlet pipe 11 is provided with a circulating air pump 10.

Specifically, a sealing cabinet door 2 is installed on the cabinet body 1. Through sealed cabinet door 2 be convenient for realize isolated with the outside, avoid the dust to get into.

Specifically, the tops of the two groups of heat release cavities 15 are respectively and hermetically inserted with heat pipes 8, and the upper parts of the heat pipes 8 are fixedly connected with copper radiating fins 7. The heat pipe 8 is convenient for heat inside the heating and radiating cavity 15 to be radiated outwards, the temperature of the heat radiating end face 20 of the semiconductor refrigerating sheet 18 is reduced, and the heat transfer speed of the semiconductor refrigerating sheet 18 can be improved.

Specifically, two groups of semiconductor refrigeration pieces 18 are provided with heat absorption end faces 19 and heat release end faces 20, the heat absorption end faces 19 are respectively arranged on two sides of the heat absorption cavity 17, and the heat release end faces 20 are respectively arranged in the heat release cavity 15. The heat inside the heat absorption cavity 17 can be quickly absorbed through the heat absorption end surface 19, so that the cooling effect is realized.

Specifically, the connecting wire of the semiconductor refrigeration piece 18 penetrates through the wire through hole 16 through the plastic package glue seal and is communicated with the power supply inside the cabinet body 1. The semiconductor refrigeration chip 18 is convenient for wiring power supply through the wire through hole 16.

Specifically, the top and the bottom of the heat dissipation box 6 are both provided with polyurethane plates, and the side plates on the two sides of the heat dissipation box 6 are provided with heat-conducting copper plates. The polyurethane plate prevents heat from directly entering the heat absorption chamber 17 from the outside, and the heat conductive copper plate can accelerate the speed of heat passing inside the heat release chamber 15.

The working principle is as follows: when a fault occurs in the use process, the gear piece 3 can be rotated to directly debug from the outside, the cabinet door does not need to be opened, and the manual rapid processing can be conveniently performed when some abnormal conditions occur; and heat dissipation case 6 is in under the sealed condition at the cabinet body, realizes inside gas circulation fast and cools down the heat dissipation, can play dustproof and effect of cooling, avoids the internal portion of cabinet because the laying dust influences the heat dissipation, reduces variable frequency speed control's fault rate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a switch board with variable frequency speed governing function, includes the cabinet body (1), its characterized in that: the energy-saving cabinet is characterized in that a gear piece (3) is rotatably mounted on the side wall of the cabinet body (1), a frequency converter body (12) is mounted inside the cabinet body (1), a regulating knob (13) with rack teeth on the surface is arranged on the frequency converter body (12), the rack teeth on the outer side of the regulating knob (13) are meshed with the gear piece (3), one side of the gear piece (3) penetrates through the side wall of the cabinet body (1), angle scale marks (4) are arranged on the side surface of the gear piece (3), a pointer (5) used for indicating the angle scale marks (4) is fixedly connected to the surface of the outer side of the cabinet body (1), a heat dissipation box (6) is fixedly connected to the top of the cabinet body (1), the inside of the heat dissipation box (6) is divided into two groups of heat dissipation cavities (15) and a group of heat absorption cavities (17) through two groups of polyurethane heat insulation plates (14), and the heat absorption cavities (17) are arranged between the two groups, two sets of run through respectively on polyurethane heat insulating board (14) and install semiconductor refrigeration piece (18), the bottom of heat dissipation case (6) is seted up and is run through in the line hole (16) of crossing of the power connection of the semiconductor refrigeration piece (18) of being convenient for at cabinet body (1) top, the both ends in heat absorption chamber (17) are respectively through exhaust tube (9) and outlet duct (11) and the top intercommunication of the cabinet body (1), install circulating air pump (10) on outlet duct (11).

2. The control cabinet with the frequency conversion speed regulation function according to claim 1, characterized in that: a sealed cabinet door (2) is installed on the cabinet body (1).

3. The control cabinet with the frequency conversion speed regulation function according to claim 1, characterized in that: the top parts of the two groups of heat release cavities (15) are respectively sealed and inserted with heat pipes (8), and the upper parts of the heat pipes (8) are fixedly connected with copper radiating fins (7).

4. The control cabinet with the frequency conversion speed regulation function according to claim 1, characterized in that: the two groups of semiconductor refrigeration pieces (18) are provided with heat absorption end faces (19) and heat release end faces (20), the heat absorption end faces (19) are arranged on two sides of the heat absorption cavity (17) respectively, and the heat release end faces (20) are arranged in the heat release cavity (15) respectively.

5. The control cabinet with the frequency conversion speed regulation function according to claim 1, characterized in that: and the connecting wire of the semiconductor refrigerating sheet (18) penetrates through the wire passing hole (16) through plastic packaging adhesive sealing and is communicated with a power supply inside the cabinet body (1).

6. The control cabinet with the frequency conversion speed regulation function according to claim 1, characterized in that: the top and the bottom of the heat dissipation box (6) are both set to be polyurethane plates, and the side plates on the two sides of the heat dissipation box (6) are set to be heat-conducting copper plates.