CN215872061U - Controller and industrial ceiling fan - Google Patents

Abstract

The utility model provides a controller and an industrial ceiling fan, wherein the controller comprises a shell and a circuit board, a separation plate is arranged in the shell, the separation plate divides the inner space of the shell into a first cavity and a second cavity, and the circuit board is positioned in the first cavity; a radiator, a fan and a separator for separating the radiator and the fan into two independent spaces are arranged in the second cavity; the separating plate is provided with a first opening matched with the radiator, and the radiator is in heat conduction connection with the circuit board through the first opening. According to the utility model, the separation plate is arranged, so that the sealing and dustproof effects of the controller are realized; by arranging the fan and the radiator, dust removal and heat dissipation effects are achieved, so that short circuit, damage or explosion of electronic components are avoided; the first opening is arranged, so that the radiator is in heat conduction connection with the integrated power module, and the radiating efficiency is improved; through setting up the separator, further improve the radiating efficiency.

Description

Controller and industrial ceiling fan

Technical Field

The utility model belongs to the field of industrial ceiling fans, and particularly relates to a controller and an industrial ceiling fan.

Background

In recent years, industrial ceiling fans have been widely used in the fields of machining, assembly, logistics, rail transit, markets, schools, and the like. Industrial ceiling fan controllers are commonly used to control the rotational speed, switching, etc. of industrial ceiling fans. In machining, powder metallurgy, grinding and other industries, a large amount of metal dust or oil gas exists in the environment, and the normal use of the controller is seriously influenced. In addition, the controller circuit also generates a large amount of heat during the operation process, which is not favorable for the long-term operation of the electronic components. Traditional controller installs the filter screen additional usually in the wind channel and keeps apart the dust and get into or directly give power components and parts through the fan and carry out the scattered thermal treatment of forced draught, and wherein, the filter screen has two major defects: firstly, long-time use, the filter screen blocks up for radiating air current can not smoothly get into, leads to electronic component overheated and damage. Secondly, the filter screen can not prevent dust from entering completely, especially some tiny metal dust or oil gas enter the PCB area through the filter screen and are laminated on the PCB and the surface of the electronic component, when the metal dust is accumulated to a certain degree, the electrical safety distance on the PCB is reduced, and thus the short circuit of the internal circuit is caused. And adopt the fan directly to carry out forced ventilation heat dissipation for power components and parts, if windy direct blow these electronic components, through long-time operation, the controller then probably will cause the ann rule problem and the electrical insulation problem that creepage distance is not enough and leads to and explode the machine because of the dust is piled up, also probably can cause the internal circuit short circuit because of the conductible dust, and then arouse the damage or the machine of exploding of controller.

Accordingly, there is a need for a controller and an industrial ceiling fan to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a controller and an industrial ceiling fan.

In order to achieve the purpose, the utility model provides a controller, which comprises a shell and a circuit board, wherein a separation plate is arranged in the shell, the separation plate divides the inner space of the shell into a first cavity and a second cavity, and the circuit board is positioned in the first cavity; a radiator, a fan and a separator for separating the radiator and the fan into two independent spaces are arranged in the second cavity; the separating plate is provided with a first opening matched with the radiator, and the radiator is in heat conduction connection with the circuit board through the first opening.

As a further improvement of the present invention, the partition is provided with a second opening, and the air outlet of the fan is connected with the second opening in a matching manner.

As a further improvement of the present invention, an end portion of the spacer is bent in a direction of the heat sink to form an air guiding portion.

As a further improvement of the utility model, an air inlet groove is arranged on the side wall of the shell close to the fan, and an air outlet groove is arranged on the side wall of the shell close to the radiator.

As a further improvement of the present invention, the heat sink includes a plurality of parallel fins, and the parallel direction of the fins is consistent with the air outlet direction of the fan.

As a further improvement of the present invention, a limiting member for limiting the separation plate is provided on an inner wall of the housing.

As a further improvement of the utility model, the power module on the circuit board is integrated and arranged on the position corresponding to the heat radiator.

As a further improvement of the utility model, the isolating piece and the separating plate are of an integrally formed structure.

As a further improvement of the utility model, the isolating piece and the separating plate are of a split splicing structure.

The utility model also provides an industrial ceiling fan which comprises the controller.

The utility model has the beneficial effects that: the controller of the utility model realizes the sealing and dustproof effect of the electronic component by arranging the separating plate. Meanwhile, through the arrangement of the fan and the radiator, dust removal and heat dissipation effects are achieved, and short circuit, damage or explosion of electronic components are avoided. Through setting up first opening, make the radiator directly be connected with integrated power module heat conduction through sealed heat conduction structure, improved the radiating efficiency. Through setting up separator and wind-guiding portion, further improved the radiating efficiency.

Drawings

For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the controller of the present invention.

Fig. 2 is a schematic structural view of a positional relationship of the separation plate, the fan, and the heat sink in fig. 1.

Fig. 3 is a bottom view of fig. 2.

Fig. 4 is a schematic structural view of the back box of fig. 1.

Fig. 5 is a top view of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present embodiment, the terms "upper", "lower", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus should not be construed as limiting the present invention.

Referring to fig. 1, the present invention discloses a controller 100, which includes a housing 1 and a circuit board 2 disposed in the housing 1. The housing 1 includes a cover 11 and a bottom case 12. in one embodiment, the cover 11 is provided with a touch screen type custom panel for displaying status parameters of the industrial ceiling fan, such as operating speed, operating time, set speed, etc. The edge of the cover 11 close to the bottom case 12 is provided with a bending portion bending inwards, and the bending portion is used for fastening the bottom case 12, so as to realize the fastening connection between the cover 11 and the bottom case 12. The circuit board 2 is a PCB board, a power module is arranged on the circuit board 2, and the circuit board 2 is in heat conduction connection with the radiator 4 through the power module so as to dissipate heat in a centralized manner and improve the heat dissipation efficiency.

Referring to fig. 1 and 2, a separating plate 3 is disposed in a housing 1 of the controller 100, the separating plate 3 divides an inner space of the housing 1 into a first cavity 13 and a second cavity 14, the first cavity 13 and the second cavity 14 are completely isolated by the separating plate 3, a circuit board 2 is disposed in the first cavity 13, and the circuit board 2 and the separating plate 3 are fixed by bolts. Due to the arrangement of the separating plate 3, dust can be effectively prevented from invading into the first cavity 13, so that electronic components in the first cavity 13 are prevented from being damaged. The second cavity 14 is internally provided with a radiator 4 and a fan 5, which mainly realize the functions of ventilation and heat dissipation. The radiator 4 is made of materials with heat conduction functions, can transfer heat generated by electronic components, and then radiates the heat out through the fan 5, so that the heat transfer efficiency is improved, and the electronic components are protected from being damaged.

In a preferred embodiment of the present application, the separating plate 3 is made of a material with a heat conducting function, and the separating plate 3 is provided with a first opening 31 matching with the heat sink 4, and the heat sink 4 is connected with the circuit board 2 through the first opening 31 in a heat conducting manner. Preferably, the heat sink 4 and the circuit board 2 are connected in a sealed heat conducting manner through a sealed heat conducting structure, where the sealed heat conducting structure may be one or more of silica gel, silicone grease, or other materials with a sealed heat conducting function, and the application is not limited in this respect. Through setting up sealed heat conduction structure, can realize the sealed heat conduction of radiator and circuit board and be connected, also can realize the coverage protection effect to the power module on the circuit board. In another embodiment, the sealing heat conducting structure is a heat conducting indium sheet, and the heat conducting indium sheet is located between the circuit board and the heat sink 4 to block air at the joint surface of the heat sink 4 and the circuit board 2, so that the heat conducting indium sheet can have a good heat conducting function. It can be known that, by forming the first opening 31 of the separating plate 3 matched with the substrate of the heat sink 4, the heat sink 4 is directly contacted with the power module on the circuit board through the sealed heat conducting structure, and the heat radiation effect of the power module on the circuit board is improved without heat transfer through the separating plate 3. In an embodiment, the shape of the first opening 31 is designed in a shape of a square, and in other embodiments of the present application, the shape of the first opening 31 may also be designed in a shape of an "O" or other shapes, so that the first opening is sealed only when the heat conduction connection between the circuit board and the heat sink 4 is satisfied, and the shape can be specifically set according to actual requirements.

Referring to fig. 3, a spacer 6 is further disposed in the second cavity 14 of the controller 100, and the spacer 6 separates the heat sink 4 and the fan 5 into two independent spaces to separate the inlet air in the space where the fan 5 is located from the outlet air sent to one side of the heat sink 4 by the fan 5, so as to ensure that the outlet air does not flow back to the inlet air, thereby improving the heat dissipation effect. The air outlet 51 of the fan 5 is arranged on one side close to the partition 6, the partition 6 is provided with a second opening 61 matched with the air outlet 51, the air outlet 51 is connected with the second opening 61 in a matched mode, and the joint of the air outlet 51 and the second opening 61 is sealed by sealant so as to reduce air volume loss and improve the heat dissipation effect. In an embodiment of the present application, the end of the air outlet 51 is flush with the side wall of the partition 6, and the fan 5 can send the introduced air to one side of the heat sink 4 through the air outlet 51, so as to meet the heat dissipation requirement of the power module through air cooling, thereby obtaining better economic benefit.

The heat sink 4 includes a substrate 41 and a plurality of heat dissipation fins 42 arranged in parallel, an airflow channel for airflow flowing is formed between adjacent heat dissipation fins 42, and the parallel direction of the heat dissipation fins 42 is consistent with the air outlet direction of the fan 5, so as to reduce the loss of air volume, so that the air from the fan 5 can completely enter the airflow channel, and the heat dissipation effect on the circuit board is improved. In an embodiment of the present application, the heat sink 42 is a linear structure, and the linear structure is arranged to allow the wind from the fan 5 to rapidly pass through the heat sink 42, so as to improve the heat dissipation effect. In another embodiment, the heat sink 42 may also be disposed in an arc shape, and preferably, the heat sink 42 includes an arc-shaped portion disposed at an end of the heat sink 42 and bent toward a sidewall of the bottom case 12, so as to quickly introduce heat generated by electronic components on the circuit board to the external environment, thereby improving heat dissipation efficiency. Of course, the heat sink 42 may have other structures, and is not limited herein. In addition, in order to ensure the heat dissipation efficiency, the heat sink 4 is made of copper material or aluminum profile with good heat dissipation effect, and other heat sinks 4 with good heat dissipation performance can also be used.

Furthermore, the end of the spacer 6 connected to the housing 1 is bent in a direction close to the heat sink 4 to form the air guiding portion 62, on one hand, the air sent to the heat sink 4 side by the fan 5 makes the space where the heat sink 4 is located have a certain pressure, and in the presence of the pressure, the air guiding portion 62 can improve the circulation flow of the air in the space where the heat sink 4 is located, and promote the circulated air to rapidly flow out of the cavity of the controller 100, thereby improving the heat dissipation efficiency of the heat sink 4. On the other hand, the arrangement of the air guiding portion 62 can also improve the mechanical strength of the separating plate 3, so that the separating plate 3 can bear the circuit board 2 more stably. Air guide portions 62 may be provided only at one end of spacer 6 connected to case 1, or may be provided at both ends of spacer 6. Preferably, the air guiding portion 62 is formed by bending toward the heat sink 4 at both ends of the spacer 6 connected to the case 1 to improve heat dissipation efficiency. The air blown out from the air outlet 51 of the fan 5 flows through the airflow channel and circularly flows in the space where the radiator 4 is located through the air guide part 62, the bent structure of the air guide part 62 can well recycle the reflowed airflow to the airflow channel, the utilization rate of the airflow is improved, and therefore the heat dissipation efficiency of the electronic component is improved.

In an embodiment, the spacer 6 and the separating plate 3 are integrally formed, and the integrally formed structure simplifies the installation steps of the controller 100 and reduces the installation cost of the controller 100. It should be noted that the spacer 6 and the separating plate 3 may be a split-type splicing structure, which is not limited in this application.

In one embodiment, the air guiding portion 62 has a bent structure with one or more bent sides. In another embodiment, the wind guiding portion 62 includes a curved surface structure, and the curvature of the curved surface of the wind guiding portion 62 can be set according to actual requirements.

Referring to fig. 4, the bottom case 12 is provided with a limiting member 121 for limiting and connecting the separating plate 3. Specifically, the limiting members 121 are symmetrically disposed on the inner wall of the bottom case 12, are located below the separating plate 3, and are fixedly connected to the separating plate 3 through bolts. It will be appreciated that the distance of the stop member 121 from the bottom plate of the back case 12 is greater than the thickness of the fan 5 and the heat sink 4 themselves, so as to receive the fan 5 and the heat sink 4 well within the second cavity 14. By providing the stopper 121, the installation and fixation of the separation plate 3 are facilitated.

The bottom case 12 is provided with an air inlet slot 122 on a side wall close to the fan 5, the fan 5 sucks air in the external environment through the air inlet slot 122, and the air is led to the heat dissipation fins 42 through the air outlet to form heat dissipation airflow, so as to dissipate heat of the power module. The bottom case 12 has an air outlet groove 123 formed on a side wall thereof near the heat sink 4, and the air outlet groove 123 is used for guiding the heat dissipation air flow out to the environment outside the controller 100, so as to complete the heat dissipation process. Preferably, the height of the air inlet slot 122 is lower than the height of the fan 5 from the bottom plate of the bottom case 12, and the height of the air outlet slot 123 is lower than the height of the heat sink 42 from the bottom plate of the bottom case 12. In addition, the air outlet groove 123 can also be used for conveying metal dust or oil gas entering the second cavity 14 to the outside of the controller 100 under the action of the fan 5, so that the accumulation of the dust or the oil gas on the surfaces of the fan 5 and the radiator 4 is delayed to a certain extent, and further the fan 5 and the radiator 4 are protected to a certain extent, so that the service life is prolonged, and the maintenance cost is reduced.

As shown in fig. 4 and 5, a mounting plate 124 is further included on the bottom plate of the bottom case 12 for fixing the controller 100. In a specific embodiment, 4 ear-hanging mounting pieces 124 are symmetrically arranged on the edge of the bottom plate of the bottom case 12, the mounting pieces 124 are fixed to the edge of the bottom plate of the bottom case 12 through the edge of the side wall of the bottom case 12, one end of each mounting piece 124 is located on the inner side of the bottom case 12, the other end of each mounting piece 124 is exposed on the outer side of the bottom case 12, and a mounting hole for fixing is formed in each mounting piece, so that a user can pass a rivet or a welding nail through the mounting hole to fix the controller 100 on a wall body, the mounting process is simplified, the mounting efficiency is improved, and the production cost is reduced.

The utility model also discloses an industrial ceiling fan, which comprises the controller 100, wherein the controller 100 is not only used for displaying the working parameters of the industrial ceiling fan, such as the running speed, the running time, the preset speed and the like, but also used for controlling the running states of a plurality of industrial ceiling fans in a centralized or separate mode. The controller 100 is in communication connection with the mobile terminal to receive the instruction sent by the mobile terminal and correspondingly control the industrial ceiling fan. The mobile terminal includes but is not limited to a mobile phone, a tablet or a computer, a user can conveniently set the control mode and the control area of the controller 100 on the mobile terminal, the industrial ceiling fan can be controlled, the intelligent degree is high, and the operation flexibility is high.

In summary, the controller 100 of the present invention realizes the sealing and dust-proof effect of the electronic components on the circuit board 2 by providing the separating plate 3. Through setting up radiator 4 and fan 5, can remove dust well and go out the heat transfer that electronic components produced at the during operation to avoid electronic components's short circuit, damage or explode the machine. Through setting up first opening 31 for radiator 4 is connected with integrated power module heat conduction directly through sealed heat conduction structure, has improved the radiating efficiency. By providing the spacer 6 and the air guide part 62, the heat radiation efficiency is further improved.

Embodiments of the present invention are described with reference to "first," "second," etc., and such descriptions of "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit identification of the number of technical features indicated. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims (10)

1. A controller, comprising a housing and a circuit board, characterized in that: a separation plate is arranged in the shell, the separation plate divides the inner space of the shell into a first cavity and a second cavity, and the circuit board is positioned in the first cavity; a radiator, a fan and a separator for separating the radiator and the fan into two independent spaces are arranged in the second cavity; the separating plate is provided with a first opening matched with the radiator, and the radiator is in heat conduction connection with the circuit board through the first opening.

2. The controller according to claim 1, wherein: the isolating piece is provided with a second opening, and the air outlet of the fan is connected with the second opening in a matching mode.

3. The controller according to claim 1, wherein: the end part of the isolating piece is bent towards the direction of the radiator to form an air guide part.

4. The controller according to claim 1, wherein: the shell is close to be equipped with the intake stack on the lateral wall of fan, the shell is close to be equipped with the air-out groove on the lateral wall of radiator.

5. The controller according to claim 1, wherein: the radiator comprises a plurality of radiating fins arranged in parallel, and the parallel direction of the radiating fins is consistent with the air outlet direction of the fan.

6. The controller according to claim 1, wherein: and a limiting piece for limiting the separating plate is arranged on the inner wall of the shell.

7. The controller according to claim 1, wherein: and the power module on the circuit board is integrated and arranged at a position corresponding to the radiator.

8. The controller according to claim 1, wherein: the isolating piece and the separating plate are of an integrally formed structure.

9. The controller according to claim 1, wherein: the isolating piece and the separating plate are of a split type splicing structure.

10. An industrial ceiling fan, its characterized in that: comprising a controller according to any of claims 1 to 9.

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