CN217692258U

CN217692258U - Power box with dustproof heat dissipation function

Info

Publication number: CN217692258U
Application number: CN202221014057.3U
Authority: CN
Inventors: 闫朝云; 马英
Original assignee: Huaneng Jiaxiang Power Generation Co ltd
Current assignee: Huaneng Jiaxiang Power Generation Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-10-28
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to the technical field of power boxes, in particular to a power box with dustproof and heat dissipation functions, which comprises a box body, a box body and a heat dissipation plate, wherein the box body is provided with a containing cavity and an air hole; the air hole is used for communicating the accommodating cavity with the outside atmosphere; a heat dissipation mechanism including a heat dissipation plate; the heat dissipation plate is provided with a communication hole; a motor configured to controllably move the heat dissipation plate in a predetermined manner to cause the communication hole to communicate with the air hole or to cause the heat dissipation plate to block the air hole. Through the arrangement of the heat dissipation mechanism, the accommodating cavity is communicated with the outside in a heat dissipation state, so that efficient heat dissipation is realized; and in a non-heat dissipation state, the power box is sealed to realize dust prevention. The utility model discloses convenient to use can be linked together external and box when using, carries out high-efficient cooling, can be when not using, and is sealed effectively dustproof with the box.

Description

Power box with dustproof heat dissipation function

Technical Field

The utility model relates to an electric power box technical field, more specifically say, relate to an electric power box with dustproof heat dissipation function.

Background

A large amount of connectors and various electronic components have been installed in the power box to there is the existence of a large amount of wires, and the total resistance value that leads to the switch board is very high, consequently can give out a large amount of heats under the electrically conductive condition, and the heat if can not obtain effectual processing, will lead to the power device in the switch board to damage because of high temperature, so the switch board generally all can be provided with heat abstractor.

The existing heat dissipation mode is cooled through air holes and fans, external dust easily enters the power box through the air holes, components full of dust run for a long time, short circuit easily occurs, and power equipment operation faults are caused.

Therefore, it is necessary to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the current stage technique, the utility model provides a power box with dustproof heat dissipation function. Through the utility model discloses a device can avoid when non-radiating state, and external dust gets into the power box.

In order to achieve the above purpose, the utility model provides a technical scheme does:

an electric box with dustproof heat dissipation function includes: a case having an accommodation chamber and an air hole; the air hole is used for communicating the accommodating cavity with the outside atmosphere; a heat dissipation mechanism including a heat dissipation plate; the heat dissipation plate is provided with a communication hole; a motor configured to controllably move the heat dissipation plate in a predetermined manner to cause the communication hole to communicate with the air hole or to cause the heat dissipation plate to block the air hole.

As a further optimized technical scheme, the heat dissipation mechanism further comprises a blowing assembly and a pneumatic assembly; the blowing assembly comprises a blowing cylinder, a rotating shaft and a blowing fan; the air blowing cylinder is fixed in the accommodating cavity, and the cylinder wall of the air blowing cylinder is provided with an air inlet hole and an air outlet hole; the rotating shaft is rotatably connected with the inner cavity of the air blowing cylinder; the blowing fan is connected to the rotating shaft so as to rotate along with the rotating shaft; the pneumatic component comprises a cylinder, a sliding plate, a push rod and a spring; the air outlet is communicated with the cylinder through a pipeline; the cylinder is fixed in the accommodating cavity, and a sliding plate is arranged in the cylinder; the sliding plate is right opposite to the interface of the pipeline and is connected with the inner wall of the cylinder in a sliding and sealing way; a push rod and a spring are arranged on the end face, far away from the interface, of the sliding plate, the spring enables the sliding plate to always have a tendency of being close to the interface, and the push rod extends out of the cylinder and is connected with the heat dissipation plate; and a motor shaft of the motor is connected with the rotating shaft so as to drive the rotating shaft to rotate.

As a further optimized technical scheme, the air inlet hole is arranged in the air inlet direction when the blowing fan rotates, and the air outlet hole is arranged in the air outlet direction when the blowing fan rotates.

As a further optimized technical scheme, the rotating shaft is vertically arranged, and the motor is arranged at the top of the air blowing cylinder; the air inlet hole is formed in the top of the cylinder, and the air outlet hole is formed in the bottom of the cylinder.

As a further optimized technical scheme, the blowing fans are arranged into a plurality of groups.

As a further optimized technical proposal, the device also comprises a fan and a fan shaft, the fan shaft is meshed with the rotating shaft through a gear; the end of the fan shaft far away from the gear is connected with fan blades.

As a further optimized technical scheme, the air duct is further arranged and arranged on the wall surface of the air hole and used for accelerating the air flow flowing through the air hole to flow.

As a further optimized technical scheme, the fan shaft is perpendicular to the rotating shaft, a first bevel gear is arranged at the end of the fan shaft, a second bevel gear is arranged at the end of the rotating shaft, and the first bevel gear is meshed with the second bevel gear and connected with the second bevel gear.

As a further optimized technical solution, a temperature sensor is further arranged in the box body, and the temperature sensor is configured to acquire the temperature in the containing cavity of the box body and control the motor.

As a further optimized technical scheme, the box body is also provided with heat dissipation holes, and the heat dissipation holes are rotatably provided with dust covers; the dust cover has a first state for shielding the heat dissipation holes and a second state for not shielding the heat dissipation holes.

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

the power box with the dustproof heat dissipation function provided by the embodiment of the utility model realizes that the accommodating cavity is communicated with the outside in a heat dissipation state through the arrangement of the heat dissipation mechanism, so as to perform high-efficiency heat dissipation; in a non-heat dissipation state, the power box is sealed to realize dust prevention;

the rotating shaft and the fan shaft are braked by the motor to rotate, and the fan shaft drives the fan to rotate so as to blow air and cool the interior of the power box; the rotating shaft rotates to drive the blowing fan to rotate, so that the pneumatic assembly is braked, and the communicating hole is communicated with the air hole; the high-efficiency dust prevention of the power box is realized;

the dust blocking cover can seal and block dust of the heat dissipation holes, the return spring provides elasticity for the sliding plate, and the sliding plate drives the sealing plate to move upwards through the push rod, so that the communication holes and the air holes are staggered, the box body can be sealed, and effective dust prevention can be realized;

the interior of the box body is monitored through the temperature sensor, so that the motor is controlled, and reasonable heat dissipation and dust prevention are performed.

Drawings

Fig. 1 is a schematic structural view of an electric power box with a dustproof and heat dissipation function provided by the present invention;

fig. 2 is a schematic cross-sectional structural view of fig. 1 according to the present invention;

fig. 3 is a schematic structural view of a part a of an electric power box with a dustproof and heat dissipation function according to the present invention;

fig. 4 is a schematic structural diagram of a part B of an electric power box with a dustproof heat dissipation function according to the present invention.

In the figure, 100, a box body; 110. an accommodating chamber; 120. air holes; 130. heat dissipation holes; 140. a dust cover; 150. a box cover; 200. a heat dissipation mechanism; 210. a heat dissipation plate; 211. a communicating hole; 220. An air blower; 221. a rotating shaft; 222. an air blowing fan; 223. an air inlet; 224. an air outlet; 230. A cylinder; 231. a slide plate; 232. a push rod; 233. a spring; 234. a pipeline; 235. an interface; 236. a discharge hole; 240. a fan; 241, a first electrode and a second electrode; a fan shaft; 242. a first bevel gear; 243. A second bevel gear; 250. a temperature sensor; 260. an air duct; 261. fixing the rod; 300. an electric motor.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1-4, the utility model discloses an electric power box with dustproof heat dissipation function of preferred embodiment includes: a case 100 having a receiving chamber 110 and an air hole 120; the air hole 120 is used for communicating the accommodating cavity 110 with the external atmosphere; a heat dissipation mechanism 200 including a heat dissipation plate 210; the heat dissipation plate 210 is provided with a communication hole 211; a motor 300 configured to controllably move the heat sink 210 in a predetermined manner to make the communication hole 211 communicate with the air hole 120 or to make the heat sink 210 block the air hole 120. In this embodiment, the heat dissipation plate 210 communicates with or blocks the air hole 120 by moving linearly.

As a further optimized technical solution, the heat dissipation mechanism 200 further includes a blowing component and a pneumatic component; the blowing assembly comprises a blowing cylinder 220, a rotating shaft 221 and a blowing fan 222; the air blower 220 is fixed in the accommodating cavity 110, and an air inlet 223 and an air outlet 224 are formed in the wall of the air blower; the rotating shaft 221 is rotatably connected to the inner cavity of the air blowing cylinder 220; the blowing fan 222 is connected to the rotating shaft 221 to rotate with the rotating shaft 221; in this embodiment, the rotation of the rotating shaft 221 drives the blowing fan 222 to operate, so as to make the air inlet 223 and the air outlet 224 enter air; the pneumatic assembly comprises a cylinder 230, a sliding plate 231, a push rod 232 and a spring 233; the outlet 224 communicates with the cylinder 230 via a conduit 234; the cylinder 230 is fixed in the accommodating chamber 110, and a slide plate 231 is installed therein; the slide plate 231 is opposite to the interface 235 of the conduit 234 and is connected to the inner wall of the cylinder 230 in a sliding and sealing manner; a push rod 232 and a spring 233 are arranged on the end surface of the sliding plate 231 far away from the interface 235, the spring 233 enables the sliding plate 231 to always have a tendency of approaching the interface 235, wherein the elastic force of the spring 233 to the sliding plate 231 is slightly larger than the self gravity of the sliding plate 231, the push rod 232 and the heat dissipation plate 210, so that when the heat dissipation state is not performed, the sliding plate 231 abuts against the inner top wall surface of the cylinder 230, the heat dissipation plate 210 is enabled to be completely reset, and the air hole 120 is completely shielded; the push rod 232 extends out of the cylinder 230 and is connected to the heat sink 210; in the present embodiment, the rotation of the motor 300 is converted into the linear motion of the heat dissipation plate 210 by the pneumatic mechanism; the motor 300 shaft of the motor 300 is connected with the rotating shaft 221 so as to drive the rotating shaft 221 to rotate. Preferably, the upper side of the sliding plate 231 is relatively sealed, and the lower side is not sealed; an exhaust hole 236 is formed on the side wall of the cylinder 230 and outside the sliding stroke of the sliding plate 231, or on the bottom wall of the cylinder 230, to ensure the smooth sliding of the slider 231.

As a further optimized technical solution, the air inlet 223 is disposed in an air inlet direction when the blowing fan 222 rotates, and the air outlet 224 is disposed in an air outlet direction when the blowing fan 222 rotates. In this embodiment, the rotating shaft 221 is vertically disposed, and the motor 300 is disposed on the top of the blowing cylinder 220; the air inlet hole is opened at the top of the cylinder 230, and the air outlet hole 224 is opened at the bottom of the cylinder 230.

As a further optimized solution, the blowing fans 222 are arranged in multiple groups. The plurality of sets of blowing fans 222 can achieve high wind power to apply high thrust to the sliding plate 231, so that the sliding plate 231 can be braked in a short time, and the fan 240 rotates while communicating the accommodating cavity 110 with the atmosphere to discharge hot air out of the box body 100 in time.

As a further optimized technical solution, the fan 240 is further included, and the fan 240 rotates along with the rotating shaft 221. Preferably, the fan further comprises a fan shaft 241, wherein the fan shaft 241 is meshed with the rotating shaft 221 through a gear; the end of the fan shaft 241 remote from the gear is connected to the blades of the fan 240. In this embodiment, the rotating shaft 221 rotates to drive the fan shaft 241 to rotate, so as to realize the operation of the fan 240, and blow air to cool the box 100.

In some embodiments of the present application, an air diffuser is disposed at the air outlet of the fan 240 for diffusing the air discharged from the fan 240.

As a further optimized technical solution, the fan shaft 241 and the rotating shaft 221 are perpendicular to each other, a first bevel gear 242 is disposed at an end of the fan shaft 241, a second bevel gear 243 is disposed at an end of the rotating shaft 221, and the first bevel gear 242 and the second bevel gear 243 are in meshed connection with each other. The rotation of the rotating shaft 221 is transmitted to the rotation of the fan shaft 241 perpendicular thereto by the meshing transmission of the bevel gears. In the present embodiment, the fan shaft 241 is rotatably connected to the inside of the power box.

In some embodiments of the present application, an air duct 260 is further provided, the air duct 260 is disposed at the inner wall surface having the air holes 120, the heat dissipation plate 210 is disposed in the air duct 260, the push rod 232 penetrates through the wall surface of the air duct 260 and extends to the outside, and the end portion thereof is connected to the sliding plate 231; a fan shaft 241 is rotatably connected in the air duct 260 through a fixing rod 261; the rotating shaft 221 extends into the air duct 260 and is in transmission connection with the fan shaft 241 through a bevel gear. The air flowing from the air holes 120 is accelerated directly by the fan through the arrangement of the air duct 260.

As a further optimized solution, a temperature sensor 250 is further disposed in the box 100, and the temperature sensor 250 is configured to acquire the temperature in the accommodating cavity 110 of the box 100 and control the motor 300. In this embodiment, when the temperature acquired by the temperature sensor 250 is higher than the set temperature, the temperature signal is converted into an electrical signal and transmitted to the controller, and the controller controls the motor 300 to operate, so as to achieve the blowing cooling of the fan 240 and the communication heat dissipation of the air holes 120.

As a further optimized technical solution, the box 100 is further provided with a heat dissipation hole 130, and the heat dissipation hole 130 is rotatably provided with a dust cover 140; the dust cover 140 has a first state of shielding the heat dissipation hole 130 and a second state of not shielding the heat dissipation hole 130. In this embodiment, the heat dissipation hole 130 can be used as a backup for heat dissipation of the fan 240, and can keep the dust cover 140 in the second state while dissipating heat of the fan 240, so as to enhance heat dissipation of the power box; the heat dissipation holes 130 may also be configured to place the dust cover 140 in the second state when the fan 240 is not in operation, so as to perform ordinary heat dissipation; wherein, the dust cover 140 can be controlled by manual operation.

In some embodiments of the present application, the case 100 is provided with a case cover 150; the heat dissipation holes 130 and the heat dissipation mechanism are arranged on two side surfaces adjacent to the case cover 150, so that the maintenance and the operation are facilitated; the temperature sensor 250 is disposed on the top wall surface of the receiving chamber 110.

The utility model discloses a working process does: the method includes the steps of switching on a power supply and a controller, monitoring the inside of a box body 100 through a temperature sensor 250, when the temperature in the box body 100 reaches a set temperature, controlling a motor 300 to drive a rotating shaft 221 to rotate through a controller, driving a fan shaft 241 to rotate through a first bevel gear 242 and a second bevel gear 243 by the rotating shaft 221, driving a fan 240 to blow air into the box body 100 for cooling through the fan shaft 241, driving a plurality of air blowing fans 222 to rotate through the rotating shaft 221, blowing air into a cylinder 230 through a pipeline 234, extruding a sliding plate 231 to move downwards through air, pushing a push rod 232 to move downwards by the sliding plate 231, pushing a sealing plate to move downwards by the sealing plate 232, communicating the sealing plate 211 with an air hole 120, allowing outside air to enter the air cylinder, driving the sealing plate 231 to move upwards through the air cylinder and the air hole 232, discharging hot air through a heat dissipation hole 130, performing efficient cooling, after stopping blowing and cooling, sealing the heat dissipation hole 130 through a dust blocking cover 140, providing elasticity for the sliding plate 231 through a spring 233, driving the sealing plate 231 to move upwards through the sealing plate 231, enabling the communicating hole 211 to be misplaced with the air hole 120, effectively adjusting the box body 100, and making all practical use of the dustproof structure according to be suitable size.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electric power box with dustproof heat dissipation function which characterized in that includes:

a case having an accommodation chamber and an air hole; the air hole is used for communicating the accommodating cavity with the outside atmosphere;

a heat dissipation mechanism including a heat dissipation plate; the heat dissipation plate is provided with a communication hole;

a motor configured to controllably move the heat dissipation plate in a predetermined manner to cause the communication hole to communicate with the air hole or to cause the heat dissipation plate to block the air hole.

2. The power box with the dustproof heat dissipation function according to claim 1, wherein the heat dissipation mechanism further comprises a blowing assembly and a pneumatic assembly;

the blowing assembly comprises a blowing cylinder, a rotating shaft and a blowing fan; the air blowing cylinder is fixed in the accommodating cavity, and the cylinder wall of the air blowing cylinder is provided with an air inlet hole and an air outlet hole; the rotating shaft is rotatably connected to the inner cavity of the gas blowing cylinder; the blowing fan is connected to the rotating shaft so as to rotate along with the rotating shaft;

the pneumatic assembly comprises a cylinder, a sliding plate, a push rod and a spring; the air outlet is communicated with the cylinder through a pipeline; the cylinder is fixed in the accommodating cavity, and a sliding plate is arranged in the cylinder; the sliding plate is right opposite to the interface of the pipeline and is connected with the inner wall of the cylinder in a sliding and sealing way; a push rod and a spring are arranged on the end face, far away from the interface, of the sliding plate, the spring enables the sliding plate to always have a tendency of being close to the interface, and the push rod extends out of the cylinder and is connected with the heat dissipation plate;

and a motor shaft of the motor is connected with the rotating shaft so as to drive the rotating shaft to rotate.

3. The power box of claim 2, wherein the air inlet is disposed in an air inlet direction when the blowing fan rotates, and the air outlet is disposed in an air outlet direction when the blowing fan rotates.

4. The power box with the dustproof and heat dissipation functions as claimed in claim 2, wherein the rotating shaft is arranged vertically, and the motor is arranged at the top of the air blowing cylinder;

the air inlet hole is formed in the top of the cylinder, and the air outlet hole is formed in the bottom of the cylinder.

5. The power box with the dustproof and heat dissipation function according to claim 2, wherein the blowing fans are arranged in multiple groups.

6. The power box with the dustproof heat dissipation function as claimed in claim 2, further comprising a fan and a fan shaft, wherein the fan shaft is meshed with the rotating shaft through a gear; the end part of the fan shaft far away from the gear is connected with a fan.

7. The power box with the dustproof heat dissipation function according to claim 6, wherein the fan shaft is perpendicular to the rotating shaft, a first bevel gear is arranged at an end of the fan shaft, a second bevel gear is arranged at an end of the rotating shaft, and the first bevel gear and the second bevel gear are in meshed connection.

8. The power box with the dustproof heat dissipation function according to claim 6, wherein an air duct is further provided, and the air duct is arranged on the wall surface of the air hole and is used for accelerating the air flow flowing through the air hole.

9. The power box with the dustproof and heat dissipation functions as claimed in claim 1, wherein a temperature sensor is further arranged in the box body, and the temperature sensor is configured to acquire the temperature in the containing cavity of the box body and control the motor.

10. The power box with the dustproof heat dissipation function according to claim 1, wherein the box body is further provided with heat dissipation holes, and dust covers are rotatably mounted on the heat dissipation holes; the dust cover has a first state for shielding the heat dissipation holes and a second state for not shielding the heat dissipation holes.