Multifunctional power cabinet distribution box for electric power

Abstract

The utility model discloses a multifunctional power cabinet distribution box for electric power, which comprises a box body, a U-shaped circulating air duct is fixedly connected between the top and the bottom of the inner wall of the box body, one end of the U-shaped circulating air duct is embedded with a circulating fan, and the other end of the U-shaped circulating air duct is provided with a circulating air port. And a semiconductor chilling plate is embedded in the bottom of the U-shaped circulating air duct. According to the multifunctional power cabinet distribution box for electric power provided by the utility model, hot air in the box body is introduced into the U-shaped circulating air duct through the circulating fan, the hot air in the U-shaped circulating air duct is refrigerated and cooled through the refrigeration end of the semiconductor refrigeration sheet, and the refrigerated cold air is blown out through the circulating air port. Therefore, electrical equipment in the box body can be circularly cooled in the box body, a traditional internal and external ventilation cooling mode is replaced, and the risk that dust and impurities in external air enter the box body can be completely eradicated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power distribution box technical field, concretely relates to a multifunctional power cabinet power distribution box. BACKGROUND

[0002] The power distribution box is assembled in the closed or semi-closed metal cabinet or screen panel according to the electrical wiring requirements, and the switch device, measuring instrument, protection appliance and auxiliary equipment are assembled in the closed or semi-closed metal cabinet or screen panel, and the low-voltage power distribution device is formed.

[0003] The utility model discloses a kind of multifunctional power cabinet power distribution box for electric power, solve the problem that due to power distribution box is located in outdoor for a long time in prior art, cause dust to be easily accumulated in power distribution box, prevent dust screen surface from being blocked, cannot maintain the effect of prevent dust screen, inconvenient for long-term use.A kind of multifunctional power cabinet power distribution box for electric power, including power distribution box, mounting plate, a plurality of installation holes being opened in the side wall of mounting plate, base, air inlet being opened in the bottom of one side of power distribution box and the top of one side of power distribution box fixedly connected indication lamp, the side of power distribution box is hinged with door by hinge, the inner chamber bottom of power distribution box one side is provided with horizontal plate, and the other side of top is vertically provided with electric meter mounting plate.The utility model structure is reasonable, and it is convenient to realize the dust of dust cover and clean, to maintain the dustproof effect of dust cover, and can keep the unobstructed of air inlet, convenient for long-term use ventilation and dust prevention.

[0004] The prior art has the following disadvantages: the electrical equipment in the power distribution box is ventilated and cooled through the air inlet, but during the ventilation and cooling process with the outside air, even if a dust screen is provided at the position of the air inlet, dust and impurities or humid air will still enter the power distribution box from the air inlet, and the dust accumulation or moisture will affect the performance of the electrical equipment in the power distribution box, and even cause short circuit. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a multifunctional power cabinet power distribution box for electric power to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of multifunctional power cabinet distribution box for electric power, including box, the top and bottom of the inner wall of the box are fixedly connected with U type circulating air duct, one end of the U type circulating air duct is embedded and is equipped with circulating fan, and U type circulating air duct other end is equipped with circulating air port, the bottom of the U type circulating air duct is embedded and is equipped with semiconductor refrigeration sheet, the U type circulating air duct and between semiconductor refrigeration sheet of circulating fan is equipped with dehumidification mechanism, the inner wall of the box is also provided with PLC controller and temperature sensor, and the detection probe of temperature sensor is located in the inside of the box, the bottom of the U type circulating air duct and the outside of semiconductor refrigeration sheet is equipped with heat dissipation mechanism for the heat dissipation of semiconductor refrigeration sheet radiating end.

[0007] As further description of the above technical solution:

[0008] The temperature sensor and semiconductor refrigeration sheet are electrically connected with the PLC controller.

[0009] As further description of the above technical solution:

[0010] The dehumidification mechanism includes a dehumidification box fixedly connected to the U-shaped circulating air duct, the inside of the dehumidification box is provided with a desiccant, and air vents are formed on both sides of the dehumidification box to communicate with the U-shaped circulating air duct.

[0011] As further description of the above technical solution:

[0012] The refrigeration end of the semiconductor refrigeration sheet is located inside the U-shaped circulating air duct, and the heat dissipation end is located outside the U-shaped circulating air duct.

[0013] As further description of the above technical solution:

[0014] The heat dissipation mechanism includes a support cylinder fixedly installed at the bottom of the U-shaped circulating air duct, and the support cylinder is arranged outside the heat dissipation end of the semiconductor refrigeration sheet, the bottom end of the support cylinder is fixedly penetrated through the box and extends to the outside of the box, and a heat dissipation fan is fixedly installed on the inner wall of the support cylinder near the bottom end.

[0015] As further description of the above technical solution:

[0016] The heat dissipation end of the semiconductor refrigeration sheet is fixedly installed with heat dissipation fins.

[0017] In the above technical solution, the multifunctional power cabinet distribution box for electric power provided by the utility model has the following beneficial effects:

[0018] The utility model discloses a box, U type circulating air duct, circulating fan, circulating air port, semiconductor refrigeration piece, dehumidification mechanism, PLC controller, temperature sensor and the mutual cooperation between heat abstractor are provided, the hot gas of the inside of box is introduced into U type circulating air duct through circulating fan, at the same time, the hot gas in U type circulating air duct is refrigerated cooling through the refrigeration end of semiconductor refrigeration piece, and the cold gas after refrigeration blows out through circulating air port, thereby realizing the circulating cooling of electrical equipment in the inside of box, replacing the mode of traditional inside and outside ventilation cooling, can prevent the risk that the dust impurity in external air enters the inside of box, and can prevent the moisture in external air from entering the inside of box when convection ventilation with external air.

[0019] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to be restrictive of the disclosure.

[0020] This application file provides an overview of various implementations or examples of the technology described in this disclosure and is not intended to be all inclusive or to provide an exhaustive list of features that can be employed in the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0022] Figure 1 The overall structure schematic diagram provided by the embodiment of the utility model;

[0023] Figure 2 The U type circulating air duct and circulating air port structure connection schematic diagram provided by the embodiment of the utility model;

[0024] Figure 3 The dehumidification tank and desiccant structure connection schematic diagram provided by the embodiment of the utility model;

[0025] Figure 4 The semiconductor refrigeration piece and heat dissipation fin structure connection schematic diagram provided by the embodiment of the utility model.

[0026] Explanation of reference signs:

[0027] 1, box; 2, U type circulating air duct; 3, circulating fan; 4, circulating air port; 5, semiconductor refrigeration piece; 6, PLC controller; 7, temperature sensor; 8, dehumidification tank; 9, desiccant; 10, air vent; 11, support cylinder; 12, heat dissipation fan; 13, heat dissipation fin. DETAILED DESCRIPTION

[0028] To make the purposes, technical solutions, and advantages of the embodiments of the present disclosure clearer, the following will be combined with the drawings of the embodiments of the present disclosure to clearly and completely describe the technical solutions of the embodiments of the present disclosure. Obviously, the described embodiments are some but not all of the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present disclosure.

[0029] Referring to Figures 1-4 The embodiment provides a multifunctional power cabinet distribution box for electric power, which comprises a box body 1, a U-shaped circulating air duct 2 is fixedly connected between the top and the bottom of the inner wall of the box body 1, a circulating fan 3 is embedded and installed at one end of the U-shaped circulating air duct 2, a circulating air port 4 is formed at the other end of the U-shaped circulating air duct 2, a semiconductor refrigerating fin 5 is embedded and installed at the bottom of the U-shaped circulating air duct 2, the refrigerating end of the semiconductor refrigerating fin 5 is located in the inside of the U-shaped circulating air duct 2, and the heat radiating end is located outside the U-shaped circulating air duct 2, heat radiating fins 13 are fixedly installed at the heat radiating end of the semiconductor refrigerating fin 5, a dehumidification mechanism is arranged on the U-shaped circulating air duct 2 and located between the circulating fan 3 and the semiconductor refrigerating fin 5, a PLC controller 6 and a temperature sensor 7 are further arranged on the inner wall of the box body 1, the detection probe of the temperature sensor 7 is located in the inside of the box body 1, and a heat radiating mechanism for radiating the heat radiating end of the semiconductor refrigerating fin 5 is arranged at the bottom of the U-shaped circulating air duct 2 and located outside the semiconductor refrigerating fin 5.

[0030] In the further provided embodiment of the present application, the temperature sensor 7 and the semiconductor refrigerating fin 5 are electrically connected with the PLC controller 6, the temperature sensor 7 and the semiconductor refrigerating fin 5 are electrically connected with the PLC controller 6, wherein the temperature sensor 7, the semiconductor refrigerating fin 5 and the PLC controller 6 are all existing devices, the mutual connection between the devices and the working principle are all mature technologies, and excessive details are not described herein.

[0031] Further, the dehumidification mechanism comprises a dehumidification box 8 fixedly and communicatively installed on the U-shaped circulating air duct 2, dry agent 9 is arranged in the inside of the dehumidification box 8, and air vents 10 are formed at the two sides of the dehumidification box 8 and are in communication with the U-shaped circulating air duct 2, in the process that the structures of the U-shaped circulating air duct 2, the circulating fan 3, the semiconductor refrigerating fin 5 and the circulating air port 4 are used in cooperation to circularly cool the electrical equipment in the box body 1, the humidity in the gas passing through the U-shaped circulating air duct 2 can be adsorbed by the dry agent 9, the humidity value of the gas in the box body 1 is reduced, the dryness in the box body 1 is improved, and the short circuit of the electrical equipment caused by excessive humidity in the box body 1 is avoided.

[0032] Further, the refrigerating end of the semiconductor refrigerating fin 5 is located in the inside of the U-shaped circulating air duct 2, and the heat radiating end is located outside the U-shaped circulating air duct 2.

[0033] In the further provided embodiment of the utility model, the heat dissipation mechanism comprises a supporting cylinder 11 fixedly installed at the bottom of the U-shaped circulating air duct 2, and the supporting cylinder 11 is arranged outside the heat dissipation end of the semiconductor refrigeration sheet 5; the bottom end of the supporting cylinder 11 penetrates through the box body 1 and extends to the outside of the box body 1; a heat dissipation fan 12 is fixedly installed at the position close to the bottom end of the inner wall of the supporting cylinder 11; the heat dissipation fan 12 is connected with an external power supply and a control switch; and the heat dissipation fan 12 is an existing device, and thus no more detailed description is given herein.

[0034] In the embodiment of the utility model, the heat dissipation end of the semiconductor refrigeration sheet 5 is fixedly installed with a heat dissipation fin 13; the heat dissipation fin 13 can improve the heat dissipation effect of the heat dissipation end of the semiconductor refrigeration sheet 5, thereby ensuring the refrigeration effect of the refrigeration end of the semiconductor refrigeration sheet 5; and the heat dissipation fan 12 blows air to the heat dissipation fin 13 for heat dissipation, thereby further improving the heat dissipation effect of the heat dissipation end of the semiconductor refrigeration sheet 5.

[0035] Working principle: when in use, the temperature inside the box body 1 is monitored by the temperature sensor 7, and the monitored data is transmitted to the PLC controller 6; when the temperature inside the box body 1 reaches a preset value, the semiconductor refrigeration sheet 5, the circulating fan 3 and the heat dissipation fan 12 are started by the PLC controller 6; the hot air inside the box body 1 is introduced into the U-shaped circulating air duct 2 by the circulating fan 3; at the same time, the hot air in the U-shaped circulating air duct 2 is cooled by the refrigeration end of the semiconductor refrigeration sheet 5; the cooled cold air is blown out through the circulating air outlet 4, thereby realizing the circulation cooling of the electrical equipment inside the box body 1, replacing the traditional internal and external ventilation cooling mode, avoiding the risk of dust and impurities in the external air entering the box body 1, and preventing the moisture in the external air from entering the box body 1 when the air is circulated and ventilated with the external air.

[0036] In the process of using the U-shaped circulating air duct 2, the circulating fan 3, the semiconductor refrigeration sheet 5 and the circulating air outlet 4 to circulate and cool the electrical equipment inside the box body 1, the moisture in the gas passing through the U-shaped circulating air duct 2 can be adsorbed by the drying agent 9, thereby reducing the humidity value of the gas inside the box body 1, improving the dryness of the box body 1, and avoiding the short circuit of the electrical equipment caused by excessive moisture in the box body 1; the heat dissipation fin 13 can improve the heat dissipation effect of the heat dissipation end of the semiconductor refrigeration sheet 5, thereby ensuring the refrigeration effect of the refrigeration end of the semiconductor refrigeration sheet 5; and the heat dissipation fan 12 blows air to the heat dissipation fin 13 for heat dissipation, thereby further improving the heat dissipation effect of the heat dissipation end of the semiconductor refrigeration sheet 5.

[0037] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A multi-functional power distribution box for electricity, comprising a box body (1), characterized in that: A U-shaped circulating air duct (2) is fixedly connected between the top and bottom of the inner wall of the box (1). A circulating fan (3) is embedded at one end of the U-shaped circulating air duct (2), and a circulating air outlet (4) is opened at the other end of the U-shaped circulating air duct (2). A semiconductor cooling chip (5) is embedded at the bottom of the U-shaped circulating air duct (2). A dehumidification mechanism is provided on the U-shaped circulating air duct (2) between the circulating fan (3) and the semiconductor cooling chip (5). A PLC controller (6) and a temperature sensor (7) are also provided on the inner wall of the box (1). A heat dissipation mechanism for dissipating heat from the heat dissipation end of the semiconductor cooling chip (5) is provided at the bottom of the U-shaped circulating air duct (2) and outside the semiconductor cooling chip (5).

2. The multi-functional power distribution box for electricity according to claim 1, characterized in that, The temperature sensor (7) and the semiconductor cooling chip (5) are both electrically connected to the PLC controller (6).

3. A multi-functional power distribution box for electricity according to claim 1, characterized in that, The dehumidification mechanism includes a dehumidification box (8) fixedly connected to the U-shaped circulating air duct (2). The dehumidification box (8) is filled with a desiccant (9), and the two sides of the dehumidification box (8) are provided with vents (10) that communicate with the U-shaped circulating air duct (2).

4. A multi-functional power distribution box for electricity according to claim 1, characterized in that, The cooling end of the semiconductor cooling chip (5) is located inside the U-shaped circulating air duct (2), and the heat dissipation end is located outside the U-shaped circulating air duct (2).

5. A multi-functional power distribution box for electricity according to claim 1, characterized in that, The heat dissipation mechanism includes a support cylinder (11) fixedly installed at the bottom of the U-shaped circulating air duct (2), and the support cylinder (11) covers the outside of the heat dissipation end of the semiconductor cooling chip (5). The bottom end of the support cylinder (11) is fixedly installed through the box body (1) and extends to the outside of the box body (1). A heat dissipation fan (12) is fixedly installed on the inner wall of the support cylinder (11) near the bottom end.

6. A multi-functional power distribution box for electricity according to claim 1, characterized in that, The heat dissipation end of the semiconductor cooling chip (5) is fixedly equipped with heat dissipation fins (13).

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