CN222564159U - A heat dissipation structure and low voltage controller - Google Patents

Abstract

The utility model relates to the technical field of low-pressure controllers, in particular to a heat radiation structure and a low-pressure controller, which comprises an equipment shell and a cover plate detachably arranged on the upper end face of the equipment shell, wherein air cooling mechanisms are arranged on the front side and the rear side of the upper end face of the cover plate, a heat insulation seat is fixedly connected to the middle part of the bottom surface of an inner cavity of the equipment shell, an adjusting box is fixedly arranged on the upper end face of the heat insulation seat, limit mechanisms are arranged on the front side and the rear side of the inner cavity of the adjusting box, a capacitor is arranged in the middle of the upper end face of the adjusting box, and liquid cooling mechanisms are arranged on the front side and the rear side of the upper end face of the adjusting box.

Description

Heat radiation structure and low-voltage controller

Technical Field

The utility model relates to the technical field of low-voltage controllers, in particular to a heat dissipation structure and a low-voltage controller.

Background

A low voltage controller is an electrical device that controls and protects electrical equipment in an electrical system in which an ac voltage is not more than 1000V and a dc voltage is not more than 1500V. The automatic control device is used for protecting electrical equipment and personal safety, and effectively controlling the switching, starting and stopping of the electrical equipment so as to achieve the purpose of automatic control. When the evaporator fins are seriously dust-deposited, the circulation air volume of the indoor unit is reduced, the refrigerant is insufficient, and the evaporator frosts or freezes, the condition of excessively low suction pressure may occur.

The existing low-pressure controller can accumulate more dust after working for a period of time, and the existing low-pressure controller is cooled by a fan, so that the effect of the cooling mode is not ideal in a high-temperature environment in summer, and the low-pressure controller is extremely easy to cause damage such as wire explosion short circuit after long-time use, and the service life is reduced. Therefore, a heat dissipation structure and a low-voltage controller are proposed to solve the above problems.

Disclosure of utility model

The present utility model is directed to a heat dissipation structure and a low voltage controller, which solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a heat radiation structure, includes the equipment casing to and demountable installation is at the apron of equipment casing up end, both sides are provided with forced air cooling mechanism around the upper end of apron, the inner chamber bottom surface middle part fixedly connected with of equipment casing insulates against heat the seat, the up end fixed mounting of heat the seat has the regulation box, both sides are provided with stop gear around the inner chamber of regulation box, the up end mid-mounting of regulation box has the condenser, fixed mounting has the electrical component board on the inside wall of equipment casing, both sides are provided with liquid cooling mechanism around the upper end of regulation box.

Preferably, the air cooling mechanism comprises a dust guard fixedly arranged on the upper end face of the cover plate, a bracket rod is fixedly arranged on the side wall of the inner cavity of the dust guard, a heat radiation fan is fixedly arranged in the inner cavity of the bracket rod, heat radiation grooves are formed in the front side wall and the rear side wall of the equipment shell, and a power supply wiring is fixedly arranged on the right side wall of the equipment shell.

Preferably, the stop gear is including rotating the transfer line of installing at adjusting box inner chamber middle part, the lateral wall left and right sides fixed mounting of transfer line has the worm, the inner chamber left and right sides of adjusting box still rotates and installs two-way screw rod, the lateral wall middle part fixed mounting of two-way screw rod has the worm wheel, both sides screw thread is installed around the lateral wall of two-way screw rod and is removed the seat.

Preferably, the worm is connected with the worm wheel in a meshed manner, the upper end face of the heat insulation seat is fixedly provided with a clamping motor through the frame, the output shaft end of the clamping motor penetrates through the adjusting box and is fixedly connected with the transmission rod, the upper end face of the adjusting box is provided with a sliding groove, the movable seat slides in the inner cavity of the sliding groove, and the upper end face of the movable seat is fixedly provided with a heat exchange plate.

Preferably, the liquid cooling mechanism comprises a heat exchange coil fixedly mounted on the side wall of the heat exchange plate, a cooling liquid tank is arranged on the front side and the rear side of the upper end face of the regulating box, the right end of the heat exchange coil is communicated with the cooling liquid tank through a liquid outlet pipe, the left end of the heat exchange coil is communicated with the cooling liquid tank through a liquid inlet pipe, and a circulating pump is fixedly mounted on the side wall of the liquid inlet pipe.

Preferably, the liquid cooling mechanism is provided with 2 groups in total, and the heat exchange plate is made of metal materials.

A low-voltage controller comprises the heat dissipation structure.

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

According to the low-voltage controller provided by the utility model, the heat exchange plates can be adsorbed on the side wall of the capacitor through the arrangement of the clamping mechanism, so that on one hand, the device can clamp the capacitor, the shaking amplitude of the capacitor during working or carrying is effectively reduced, on the other hand, the heat exchange plates can absorb heat generated by the capacitor during working, at the moment, the air in the inner cavity of the device shell can be circulated with the outside through the arrangement of the air cooling mechanism, the temperature in the device shell is effectively reduced, and the low-temperature cooling liquid can take away the heat on the heat exchange plates through the arrangement of the liquid cooling mechanism, so that the heat dissipation efficiency of the whole low-voltage controller is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model in front view;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the device housing of the present utility model;

Fig. 4 is a schematic cross-sectional view of the regulating box of the present utility model.

1, A device housing; 11, a heat insulation seat, 12, a heat dissipation groove, 2, a cover plate, 3, an air cooling mechanism, 31, a dust-proof plate, 32, a bracket rod, 33, a heat dissipation fan, 4, an adjusting box, 41, a chute, 5, a limiting mechanism, 51, a transmission rod, 52, a worm, 53, a bidirectional screw, 54, a worm wheel, 55, a movable seat, 56, a heat exchange plate, 57, a clamping motor, 6, a capacitor, 7, an electric appliance element plate, 8, a liquid cooling mechanism, 81, a heat exchange coil, 82, a cooling liquid tank, 83, a liquid outlet pipe, 84, a liquid inlet pipe, 85 and a circulating pump.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1 to 4, the present utility model provides a technical solution:

The utility model provides a heat radiation structure, including equipment casing 1, and demountable installation is at the apron 2 of equipment casing 1 up end, both sides are provided with forced air cooling mechanism 3 around the up end of apron 2, the inner chamber bottom surface middle part fixedly connected with of equipment casing 1 insulates against heat seat 11, the up end fixed mounting of heat seat 11 has regulation box 4, both sides are provided with stop gear 5 around the inner chamber of regulation box 4, the up end mid-mounting of regulation box 4 has condenser 6, fixed mounting has electric element board 7 on the inside wall of equipment casing 1, both sides are provided with liquid cooling mechanism 8 around the upper end of regulation box 4.

Example two

On the basis of the first embodiment, air-cooled heat dissipation is to be realized.

Further, the air cooling mechanism 3 comprises a dust-proof plate 31 fixedly arranged on the upper end face of the cover plate 2, a bracket rod 32 is fixedly arranged on the side wall of the inner cavity of the dust-proof plate 31, a heat radiation fan 33 is fixedly arranged in the inner cavity of the bracket rod 32, heat radiation grooves 12 are formed in the front side wall and the rear side wall of the equipment shell 1, and a power supply wiring is fixedly arranged on the right side wall of the equipment shell 1.

Example III

In addition to the second embodiment, liquid cooling is performed.

Further, the limiting mechanism 5 comprises a transmission rod 51 rotatably installed in the middle of the inner cavity of the adjusting box 4, worms 52 are fixedly installed on the left side and the right side of the side wall of the transmission rod 51, a bidirectional screw rod 53 is rotatably installed on the left side and the right side of the inner cavity of the adjusting box 4, a worm wheel 54 is fixedly installed in the middle of the side wall of the bidirectional screw rod 53, and a movable seat 55 is installed on the front side and the rear side of the side wall of the bidirectional screw rod 53 in a threaded manner;

The worm 52 is meshed with the worm wheel 54, the upper end surface of the heat insulation seat 11 is fixedly provided with a clamping motor 57 through the frame, the output shaft end of the clamping motor 57 penetrates through the adjusting box 4 and is fixedly connected with the transmission rod 51, the upper end surface of the adjusting box 4 is provided with a sliding groove 41, the movable seat 55 slides in the inner cavity of the sliding groove 41, and the upper end surface of the movable seat 55 is fixedly provided with a heat exchange plate 56;

The liquid cooling mechanism 8 comprises a heat exchange coil 81 fixedly mounted on the side wall of the heat exchange plate 56, a cooling liquid tank 82 is placed on the front side and the rear side of the upper end face of the regulating box 4, the right end of the heat exchange coil 81 is communicated with the cooling liquid tank 82 through a liquid outlet pipe 83, the left end of the heat exchange coil 81 is communicated with the cooling liquid tank 82 through a liquid inlet pipe 84, a circulating pump 85 is fixedly mounted on the side wall of the liquid inlet pipe 84, 2 groups of liquid cooling mechanisms 8 are arranged in total, and the heat exchange plate 56 is made of metal materials.

Example IV

A low-voltage controller comprises the heat dissipation structure.

In actual use, after the capacitor 6 is placed in the middle of the upper end surface of the adjusting box 4, the clamping motor 57 is started to rotate the transmission rod 51, at this time, the worm 52 drives the worm wheel 54 to rotate the bidirectional screw 53, two ends of the bidirectional screw 53 are respectively in threaded connection with the movable seat 55, under the constraint effect of the chute 41 on the vertical direction of the movable seat 55, the movable seat 55 drives the heat exchange plates 56 on the front side and the rear side to move on the side wall of the adjusting box 4, along with the mutual approaching of the heat exchange plates 56 on the front side and the rear side, the heat exchange plates 56 can be firmly adsorbed on the side wall of the capacitor 6, on one hand, the device can realize the clamping of the capacitor 6, effectively reduce the vibration amplitude of the capacitor 6 during operation or carrying, on the other hand, the heat exchange plates 56 can absorb heat generated during the operation of the capacitor 6, at this time, the user starts the heat dissipation fan 33, the external cold air enters the inside the device shell 1, the whole device can realize the circulation of the temperature and the outside of the inner cavity of the device shell 1, further effectively reduce the service life of the device 1,

When the whole equipment works in summer high-temperature weather, a user can enable low-temperature cooling liquid in the cooling liquid tank 82 to enter the heat exchange coil 81 through the liquid inlet pipe 84, the whole equipment can realize the heat exchange function of the heat exchange plate 56 at the moment, and then the heat dissipation of the capacitor 6 is achieved, the heat dissipation effect of the whole equipment is improved, and then high-temperature cooling liquid in the heat exchange coil 81 flows back into the cooling liquid tank 82 through the liquid outlet pipe 83, so that the cooling liquid can form a complete loop, and the heat dissipation quality of the whole equipment is effectively improved.

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

Claims (7)

1. The utility model provides a heat radiation structure, includes equipment casing (1) to and demountable installation is at apron (2) of equipment casing (1) up end, wherein both sides are provided with forced air cooling mechanism (3) around the upper end of apron (2), the inner chamber bottom surface middle part fixedly connected with of equipment casing (1) insulates against heat seat (11), the up end fixed mounting of heat seat (11) has regulation box (4), both sides are provided with stop gear (5) around the inner chamber of regulation box (4), the up end mid-mounting of regulation box (4) has condenser (6), fixed mounting has electric component board (7) on the inside wall of equipment casing (1), both sides are provided with liquid cooling mechanism (8) around the upper end of regulation box (4).

2. The heat radiation structure of claim 1, wherein the air cooling mechanism (3) comprises a dust-proof plate (31) fixedly arranged on the upper end face of the cover plate (2), a bracket rod (32) is fixedly arranged on the side wall of the inner cavity of the dust-proof plate (31), a heat radiation fan (33) is fixedly arranged in the inner cavity of the bracket rod (32), heat radiation grooves (12) are formed in the front side wall and the rear side wall of the equipment shell (1), and a power supply wiring is fixedly arranged on the right side wall of the equipment shell (1).

3. The heat radiation structure according to claim 2, wherein the limiting mechanism (5) comprises a transmission rod (51) rotatably mounted in the middle of the inner cavity of the adjusting box (4), worms (52) are fixedly mounted on the left side and the right side of the side wall of the transmission rod (51), two-way screws (53) are rotatably mounted on the left side and the right side of the inner cavity of the adjusting box (4), worm gears (54) are fixedly mounted in the middle of the side wall of the two-way screws (53), and movable seats (55) are mounted on the front side and the rear side of the side wall of the two-way screws (53) in a threaded mode.

4. The heat radiation structure as set forth in claim 3, wherein the worm (52) is engaged with the worm wheel (54), a clamping motor (57) is fixedly mounted on the upper end surface of the heat insulation seat (11) through a frame, an output shaft end of the clamping motor (57) penetrates through the adjusting box (4) and is fixedly connected with the transmission rod (51), a sliding groove (41) is formed in the upper end surface of the adjusting box (4), the movable seat (55) slides in an inner cavity of the sliding groove (41), and a heat exchange plate (56) is fixedly mounted on the upper end surface of the movable seat (55).

5. The heat radiation structure as set forth in claim 4, wherein the liquid cooling mechanism (8) comprises a heat exchange coil (81) fixedly mounted on the side wall of the heat exchange plate (56), a cooling liquid tank (82) is disposed on the front side and the rear side of the upper end face of the adjusting box (4), the right end of the heat exchange coil (81) is communicated with the cooling liquid tank (82) through a liquid outlet pipe (83), the left end of the heat exchange coil (81) is communicated with the cooling liquid tank (82) through a liquid inlet pipe (84), and a circulating pump (85) is fixedly mounted on the side wall of the liquid inlet pipe (84).

6. A heat dissipating structure according to claim 4, wherein said liquid cooling mechanism (8) is provided with 2 sets in total, and said heat exchanging plate (56) is made of a metal material.

7. A low-voltage controller, characterized by comprising the heat dissipation structure as claimed in any one of claims 1 to 6.