CN207459497U - A kind of power distribution cabinet of good heat dissipation effect - Google Patents

Abstract

The utility model discloses a power distribution cabinet with good heat dissipation effect in the technical field of electric equipment, which includes a cabinet body, a controller arranged in the cabinet body, a temperature control system electrically connected with the controller, and a set In the cabinet, the humidity control system is electrically connected to the controller; the temperature control system includes a temperature sensor on the inner wall of one side of the cabinet, and a refrigeration box that is set close to the cabinet and connected to the cabinet. Including the heat dissipation assembly arranged at the bottom of the inner wall of the cabinet; the middle part of the refrigeration box is provided with a partition, the upper end of the partition in the refrigeration box is the refrigeration part, and the lower end of the partition in the refrigeration box is the heat dissipation part; the refrigeration part includes the The box at the lower end of one side of the cabinet and connected to the cabinet also includes an evaporator installed in the box for cooling, a cooling fan for introducing air, and a cooling motor for driving the cooling fan . The utility model can be refrigerated and dehumidified, and is convenient to use and has good heat dissipation effect.

Description

A power distribution cabinet with good heat dissipation effect

technical field

The utility model relates to the technical field of electric equipment, in particular to a power distribution cabinet with good heat dissipation effect.

Background technique

The power distribution cabinet is a commonly used electrical equipment, which plays an irreplaceable role in the power transmission system. The power distribution cabinet will generate a lot of heat during the working process. If the heat is not dissipated in time, it will easily cause the aging of the internal electrical components if the heat is not dissipated in time. . In the prior art, the heat dissipation of the power distribution cabinet is mostly through the air, and the heat dissipation effect is poor, which not only causes damage to the equipment, but also affects the normal operation of the conveying system.

Utility model content

The purpose of the utility model is to provide a power distribution cabinet which can be refrigerated and dehumidified and is easy to use and has good heat dissipation effect.

The purpose of this utility model is achieved in this way: a power distribution cabinet with good heat dissipation effect includes a cabinet body, a controller installed in the cabinet body, a temperature control system electrically connected to the controller, and a set A humidity control system in the cabinet that is electrically connected to the controller; the temperature control system includes a temperature sensor on the inner wall of one side of the cabinet, and a refrigeration box that is placed close to the cabinet and connected to the cabinet , also includes a heat dissipation assembly arranged at the bottom of the inner wall of the cabinet; a partition is provided in the middle of the refrigeration box, the upper end of the partition in the refrigeration box is a refrigeration part, and the lower end of the partition in the refrigeration box is Heat dissipation part; the refrigeration part includes a cabinet arranged at the lower end of one side of the cabinet and connected to the cabinet, an evaporator arranged in the cabinet for cooling, and a cold air fan for introducing air , also includes a cold air motor for driving the cold air fan; the heat dissipation part includes a compressor, a condenser, a hot air fan for heat dissipation, a hot air motor for driving the hot air fan, and a hot air motor located on one side of the heat dissipation part. A plurality of heat dissipation ports arranged opposite to the fan; an air inlet duct communicating with each other is provided between the box body and the cabinet body; A first air inlet passage is left between the first partition and the inner wall of the cabinet, and the first air inlet passage is connected with the air inlet pipe; the bottom of the inner wall of the cabinet is provided with a second partition arranged horizontally, so There is a second air inlet passage between the second partition and the bottom of the inner wall of the cabinet; multiple first air inlets are arranged side by side on the first partition and evenly distributed, and multiple first air inlets are arranged side by side on the second partition. A volute-shaped guide groove; the heat dissipation assembly includes a plurality of heat dissipation fans arranged at the bottom of the inner wall of the cabinet and located in the second air intake channel, and also includes a plurality of heat dissipation fans that are electrically connected with the controller and used to drive each heat dissipation The small motor used to rotate the fan also includes multiple cooling slots arranged on the top of the cabinet to facilitate heat dissipation.

Compared with the prior art, the utility model has the beneficial effects that: due to the setting of the refrigeration box, the cold air is introduced into the cabinet through the air inlet channel, and forms heat exchange with the hot air in the cabinet, rapidly reducing the temperature in the cabinet, and at the same time cooling The heat generated by the operation of the box is discharged from the cooling port on one side of the box. The overall design is simple and reasonable, the temperature is cooled quickly, and the heat dissipation effect is good; because the controller is electrically connected with the temperature control system and the humidity control system, the temperature and humidity in the cabinet can be controlled in real time. , high degree of automation, easy to use; because there are multiple first air inlet holes on the first partition, the cold air is scattered and blown into the cabinet slowly, the cold air circulates evenly, and the cooling effect is good; because the second partition is set The diversion groove with volute structure, under the action of the diversion groove, the cold air circulates upwards from the bottom in a vortex, and the cooling effect is good.

As a preferred solution of the present invention, the refrigeration box further includes a thermal expansion valve connected between the evaporator and the condenser for throttling and reducing pressure.

As a further preferred solution of the present invention, the humidity control system includes a humidity sensor arranged on one side of the inner wall of the cabinet, and also includes a dehumidifier arranged in the cabinet.

As a further preferred solution of the present invention, a plurality of the cooling grooves are arranged in parallel and evenly distributed.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a top view of FIG. 1 .

Figure 3 is a schematic diagram of the structure of the diversion groove.

Among them, 1 controller, 2 heat sink, 3 diversion groove, 4 second partition, 5 second air inlet channel, 6 hot air motor, 7 hot air fan, 8 condenser, 9 compressor, 10 heat dissipation port, 11 heat Expansion valve, 12 refrigeration box, 13 cold air motor, 14 cold air fan, 15 evaporator, 16 box body, 17 air inlet channel, 18 first air inlet hole, 19 cabinet body, 20 small motor, 21 first air inlet channel, 22 first partition, 23 temperature sensor, 24 humidity sensor, 25 dehumidifier, 26 partition, 27 cooling fan.

Detailed ways

As shown in Figure 1-3, a power distribution cabinet with good heat dissipation effect includes a cabinet body 19, a controller 1 arranged in the cabinet body 19, and a temperature control system electrically connected to the controller 1, It also includes a humidity control system arranged in the cabinet 19 and electrically connected to the controller 1; the temperature control system includes a temperature sensor 23 arranged on the inner wall of the cabinet 19, and is arranged close to the cabinet 19, And the refrigeration box 12 connected with the cabinet body 19 also includes a heat dissipation assembly arranged at the bottom of the inner wall of the cabinet body 19; the middle part of the refrigeration box 12 is provided with a partition 26, and the upper end of the partition 26 in the refrigeration box 12 is a refrigeration unit , in the refrigeration box 12, the lower end located at the partition 26 is a heat dissipation part; the refrigeration part includes a box body 16 arranged at the lower end of one side of the cabinet body 19 and connected with the cabinet body 19, and also includes a box body 16 arranged in the box body 16, The evaporator 15 for refrigeration also includes a cold wind fan 14 for air induction, and also includes a cold wind motor 13 for driving the cold wind fan 14 to work; the heat dissipation part includes a compressor 9, a condenser 8, and also includes a hot air fan for heat dissipation 7. It also includes a hot-air motor 6 for driving the hot-air fan 7, and also includes a plurality of cooling ports 10 located on one side of the heat dissipation part and arranged opposite to the hot-air fan 7; Pipeline 17; cabinet body 19 inner wall is positioned at the side of box body 16 and is provided with the first dividing plate 22 that is vertically arranged, leaves the first air inlet channel 21 between the first dividing plate and 22 cabinet body 19 inner walls, the first air inlet The channel 21 is connected with the air inlet duct 17; the bottom of the inner wall of the cabinet 19 is provided with a second partition 4 arranged horizontally, and a second air inlet passage 5 is reserved between the second partition 4 and the bottom of the inner wall of the cabinet 19; A plurality of first air inlet holes 18 are arranged side by side on a partition 22 and evenly distributed, and a plurality of guide grooves 3 of volute structure are arranged side by side on the second partition 4; A plurality of heat dissipation fans 27 in the second air inlet channel 5 also include a small motor 20 electrically connected to the controller 1 and used to drive each heat dissipation fan 27 to rotate, and also include a small motor 20 arranged on the top of the cabinet body 19 to facilitate heat dissipation Multiple cooling slots 2.

The refrigeration box 12 also includes a thermal expansion valve 11 connected between the evaporator 15 and the condenser 8 for throttling and pressure reduction.

The above-mentioned humidity control system includes a humidity sensor 24 arranged on one side of the inner wall of the cabinet, and also includes a dehumidifier 25 arranged in the cabinet 19 .

The above-mentioned cooling grooves 2 are arranged side by side and evenly distributed in multiples.

The working principle of the present utility model is set forth as follows, temperature sensor 23, humidity sensor 24 transmit the signal of induction to controller 1, and controller 1 controls temperature control system, humidity control system work; When temperature is too high, refrigeration box 12 work, Refrigeration by the evaporator 15, under the draft of the cold air fan 14, through the air inlet duct 17 respectively through the first air inlet passage 21, the second air inlet passage 5 into the cabinet 19 to exchange with the hot air flow, at this time, set in The cooling fan 27 at the bottom of the cabinet body 19 circulates the cold wind from bottom to top, so that the hot air in the cabinet body 19 is discharged from the cooling groove 2 at the top of the cabinet body 19; side vents 10 to discharge.

The utility model is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the utility model, those skilled in the art can make some technical features based on the disclosed technical content without creative work. Replacement and deformation, these replacements and deformations are all within the protection scope of the present utility model.

Claims (4)

1. a kind of power distribution cabinet of good heat dissipation effect, it is characterised in that：Including cabinet, further include and be arranged on the in vivo controller of cabinet, The temperature control system being electrically connected with controller is further included, is further included and is arranged in cabinet, is with controller electric connection wet Spend control system；The temperature control system includes setting the temperature sensor in cabinet on the inner wall of one side, further includes against cabinet Body set and with the refrigeration case that cabinet is connected, further include the radiating subassembly for being arranged on cabinet inner wall bottom；

It is equipped with partition plate in the middle part of the refrigeration case, is refrigeration section in the refrigeration case, positioned at the upper end of partition plate, in the refrigeration case, It is radiating part positioned at the lower end of partition plate；The refrigeration section includes being arranged on cabinet one side lower end and the babinet being connected with cabinet, It further includes and is arranged in babinet, for the evaporator of refrigeration, further include the chilled air fan for air inducing, further include driving cold wind wind Fan the cold wind motor of work；The radiating part includes compressor, condenser, further includes the hot air fan for heat dissipation, further includes The hot wind motor of hot air fan is driven, further includes the multiple thermovents being oppositely arranged positioned at radiating part one side, with hot air fan；

Interconnected intake stack is equipped between the babinet and cabinet；The cabinet inner wall is located at the one side of babinet equipped with vertical The first partition directly set leaves the first air intake passage, first air intake passage between the first partition and cabinet inner wall It is connected with intake stack；The cabinet inner wall bottom is equipped with horizontally disposed second partition, in the second partition and cabinet The second air intake passage is left between wall bottom；It is set up in parallel in the first partition and is uniformly distributed multiple first air inlet holes, institute State the diversion trench that multiple snail type structures are set up in parallel on second partition；

The radiating subassembly includes being arranged on cabinet inner wall bottom, multiple radiator fans in the second air intake passage, also wraps Include and be electrically connected with controller and for driving the small machine that each radiator fan rotates, further include be arranged at the top of cabinet, Convenient for multiple radiating grooves of heat dissipation.

2. a kind of power distribution cabinet of good heat dissipation effect according to claim 1, it is characterised in that：The refrigeration case further includes company It is connected between evaporator and condenser, the heating power expansion valve for reducing pressure by regulating flow.

3. a kind of power distribution cabinet of good heat dissipation effect according to claim 1, it is characterised in that：The humidity control system bag The humidity sensor for being arranged on cabinet inner wall one side is included, further includes and is arranged on the in vivo dehumidifier of cabinet.

4. a kind of power distribution cabinet of good heat dissipation effect according to claim 1, it is characterised in that：The radiating groove is set up in parallel And it is uniformly distributed multiple.