CN210898183U

CN210898183U - Constant temperature device for power distribution cabinet

Info

Publication number: CN210898183U
Application number: CN201921559972.9U
Authority: CN
Inventors: 万进杰; 张翰林; 陈朝晖; 赵蒙晰
Original assignee: Jiangsu Housheng New Energy Technology Co Ltd
Current assignee: Jiangsu Housheng New Energy Technology Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-30
Anticipated expiration: 2029-09-18

Abstract

The utility model provides a constant temperature equipment for switch board, it includes plate heat exchanger, semiconductor refrigeration piece, fin and radiator fan, plate heat exchanger and semiconductor refrigeration piece set up in the outside of the cabinet wall of switch board, fin and radiator fan set up in the inboard of cabinet wall, the lateral surface of the fixed laminating semiconductor refrigeration piece of plate heat exchanger, the logical chamber of installing the semiconductor refrigeration piece is seted up on the cabinet wall, the fin is from the medial surface of the inboard fixed laminating semiconductor refrigeration piece that leads to the chamber, fixed mounting has radiator fan on radiator fan's the medial surface. The utility model discloses compare in prior art can solve current constant temperature equipment effectively only single cooling function, to the high problem that just easily produces the dewfall comdenstion water in switch board inside of external ambient temperature requirement.

Description

Constant temperature device for power distribution cabinet

Technical Field

The utility model relates to a switch board field particularly, relates to a constant temperature equipment for switch board.

Background

The constant temperature equipment of current switch board generally uses air condition compressor refrigerant circulation to do the heat exchange and realizes the cooling, and this kind of mode can lead to the cooling in-process to produce the dewfall comdenstion water at the inside cold junction of switch board, therefore needs extra configuration drainage device to the inside dewfall comdenstion water that produces of switch board also can influence electrical safety.

Meanwhile, the constant temperature device of the existing power distribution cabinet only has a cooling function, and when the temperature is too low, no high-efficiency heating device is arranged, so that the operation of the electrical equipment can be directly influenced; and current constant temperature equipment requires very high to the switch board external environment temperature, and when external environment temperature was higher or lower, work efficiency can greatly reduced even can't work.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a constant temperature equipment for switch board can solve current constant temperature equipment effectively only single cooling function, to the high and easy problem that produces the dewfall comdenstion water in switch board inside of external ambient temperature requirement.

Therefore, the utility model provides a constant temperature equipment for switch board, it includes plate heat exchanger, semiconductor refrigeration piece, fin and radiator fan, plate heat exchanger and semiconductor refrigeration piece set up in the outside of the cabinet wall of switch board, fin and radiator fan set up in the inboard of cabinet wall, the lateral surface of the fixed laminating semiconductor refrigeration piece of plate heat exchanger, set up the logical chamber of installation semiconductor refrigeration piece on the cabinet wall, the fin is from the medial surface of the fixed laminating semiconductor refrigeration piece in inboard that leads to the chamber, fixed mounting has radiator fan on radiator fan's the medial surface.

Further, the semiconductor refrigeration piece is connected with an external power supply or a power supply of a power distribution cabinet.

Furthermore, the radiating hole area of the radiating fin is positioned on the bottom surface of the radiating fin.

Further, the heat dissipation fan is a side blowing fan or a down-pressure fan.

Furthermore, a temperature and humidity probe is fixedly connected to the radiating fins, the temperature and humidity probe is electrically connected with a temperature controller, and the temperature controller is simultaneously electrically connected with the semiconductor refrigerating fins.

The utility model provides an among the constant temperature equipment for switch board, mainly use the heating water or the cooling water that the outside provided to accomplish cold and hot energy exchange through plate heat exchanger as required, specifically, use the semiconductor refrigeration piece to realize cold and hot control, the outside of semiconductor refrigeration piece is hugged closely plate heat exchanger and is installed outside the switch board, switch according to heating or refrigeration corresponding control water valve and add hot water or cooling water medium to plate heat exchanger and accomplish the exchange of cold and hot energy, the inner face of semiconductor refrigeration piece is hugged closely the fin and is installed inside the switch board, use side-blown or push down fan to make the switch board air circulation according to the switch board structure, thereby realize the internal heating of electrical control cabinet and refrigeration control effect;

therefore, the utility model discloses compare in prior art and mainly have following advantage:

1) the requirements of low-temperature heating and high-temperature cooling in the power distribution cabinet can be met;

2) the plate heat exchanger is adopted to replace the prior air-conditioning compressor, and no dew condensation water is generated in the cooling and refrigerating process, so that a drainage device is not required to be additionally arranged;

3) because no dew condensation water exists, the safety is higher in the power distribution cabinet;

4) can adapt to wider (+90 ℃ -130 ℃) external environment temperature of the power distribution cabinet, and effectively improves the working efficiency.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a thermostat for a power distribution cabinet provided by an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1, the thermostat for a power distribution cabinet provided by an embodiment of the present invention is shown in the figure, and includes a plate heat exchanger 1, a semiconductor refrigeration sheet 2, a heat sink 3 and a heat dissipation fan 4, the plate heat exchanger 1 and the semiconductor refrigeration sheet 2 are disposed outside a cabinet wall 51 of the power distribution cabinet 5, the semiconductor refrigeration sheet 2 is connected to an external power source or a power source of the power distribution cabinet 5, the heat sink 3 and the heat dissipation fan 4 are disposed inside the cabinet wall 51, a heat dissipation hole region 31 of the heat sink 3 is located on a bottom surface of the heat sink 3, and a plurality of X-shaped holes arranged in an array can be disposed in the heat dissipation hole region 31 to improve heat dissipation efficiency; the fixed lateral surface of laminating semiconductor refrigeration piece 2 of plate heat exchanger 1 sets up the logical chamber of installation semiconductor refrigeration piece 2 on the cabinet wall 51, and fin 3 is from the inboard fixed medial surface of laminating semiconductor refrigeration piece 2 that leads to the chamber, and fixed mounting has radiator fan 4 on radiator fan 4's the medial surface, and radiator fan 4 is side-blown fan or push down fan.

In the thermostat device for the power distribution cabinet, hot water or cooling water provided from the outside is mainly used to complete cold and hot energy exchange through a plate heat exchanger according to needs, specifically, a semiconductor refrigeration sheet is used to realize cold and hot control, the outer surface of the semiconductor refrigeration sheet is tightly attached to the plate heat exchanger and is installed outside the power distribution cabinet, a water valve is correspondingly controlled to switch hot water or cooling water media to the plate heat exchanger according to heating or refrigeration to complete cold and hot energy exchange, the inner surface of the semiconductor refrigeration sheet is tightly attached to a radiating fin and is installed inside the power distribution cabinet, a side-blowing or down-pressing fan is used to circulate air in the power distribution cabinet according to the structure of the power distribution cabinet, and therefore the internal heating and refrigeration control effects of the electric;

therefore, the present embodiment has the following advantages compared to the prior art:

Example two:

referring to fig. 1, the second embodiment of the present invention provides a constant temperature device for a power distribution cabinet, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: the cooling fin 3 is fixedly connected with a temperature and humidity probe 6, the temperature and humidity probe 6 is electrically connected with a temperature controller, and the temperature controller is simultaneously electrically connected with the semiconductor refrigerating fin 2.

Specifically, a single-point or multi-point temperature and humidity sensor is used for measuring air temperature and humidity data in the power distribution cabinet and calculating a temperature value to feed back the temperature value to the temperature controller, the temperature controller controls the temperature in the refrigerating or heating process in real time, and the output of the temperature controller can control the heating or refrigerating and temperature control of the semiconductor refrigerating sheet by using H bridge + PWM pulse width modulation.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a constant temperature equipment for switch board, its characterized in that, includes plate heat exchanger (1), semiconductor refrigeration piece (2), fin (3) and radiator fan (4), plate heat exchanger (1) with semiconductor refrigeration piece (2) set up in the outside of the cabinet wall (51) of switch board (5), fin (3) with radiator fan (4) set up in the inboard of cabinet wall (51), plate heat exchanger (1) is fixed to be laminated the lateral surface of semiconductor refrigeration piece (2), the installation has been seted up on cabinet wall (51) the logical chamber of semiconductor refrigeration piece (2), fin (3) are followed the inboard of leading to the chamber is fixed to be laminated the medial surface of semiconductor refrigeration piece (2), fixed mounting has on the medial surface of radiator fan (4).

2. Thermostat device for electrical distribution cabinets according to claim 1, characterized in that said semiconductor chilling plates (2) are connected to an external power source or to the power source of said electrical distribution cabinet (5).

3. Thermostat arrangement for a switch board according to claim 1, characterized in that the louvered area (31) of the heat sink (3) is located on the bottom surface of the heat sink (3).

4. Thermostat device for electrical distribution cabinets according to claim 1, characterized in that said heat-dissipating fan (4) is a side-blowing fan or a push-down fan.

5. The thermostat device for the power distribution cabinet according to claim 1, wherein a temperature and humidity probe (6) is fixedly connected to the heat dissipation fin (3), the temperature and humidity probe (6) is electrically connected to a temperature controller, and the temperature controller is electrically connected to the semiconductor refrigeration fin (2) at the same time.