Communication module of electric actuating mechanism

Abstract

The utility model discloses a communication module of an electric actuating mechanism. The communication module comprises a shell and a dustproof unit, uniformly distributed heat dissipation holes are formed in the left side surface and the right side surface of the shell, a supporting plate is arranged at the lower end in the shell, a communication chip is arranged on the right side of the upper surface of the supporting plate, a single-chip microcomputer is arranged on the left side of the upper surface of the supporting plate, the communication chip is bidirectionally and electrically connected with the single-chip microcomputer, and the input end of the single-chip microcomputer is electrically connected with an external power supply; the dustproof unit comprises slide way strips and filtering assemblies, the slide way strips are symmetrically arranged on the left inner side wall and the right inner side wall of the shell respectively, every two vertically-corresponding slide way strips form a group, the middle portions of the slide way strips in the group are slidably connected with the filtering assemblies, and the heat dissipation holes are matched with the filtering assemblies. Internal electrical components can be cooled through air circulation, external dust can be prevented from entering, the service life is long, dust cleaning is convenient, and the maintenance convenience is good.

Description

Technical Field

[0001] The utility model relates to the technical field of communication modules, in particular to a communication module of an electric actuator. Background Art

[0002] With the progress of society, electric actuators are widely used in various industrial automation process control systems. Electric actuators are actuators that use electric energy as a driving energy source. In order to facilitate the control of electric actuators, communication modules are used to connect with external systems. Existing communication modules are generally composed of a shell and an internal chip. In order to facilitate the heat dissipation of the internal chip, evenly distributed heat dissipation holes are opened on the shell. These heat dissipation holes generally lack a protective structure, and external dust can easily enter the inside of the shell and affect its own service life. Gauze is also used to block the entry of dust, but the gauze is fixed and is not convenient to clean. At the same time, dust is easily brought into the inside of the shell during external cleaning, resulting in poor cleaning convenience. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a communication module of an electric actuator, which can utilize the circulation of air to dissipate heat to the internal electrical components and prevent the entry of external dust. It has a long service life and is easy to clean dust and maintain, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a communication module of an electric actuator, comprising a housing and a dustproof unit;

[0005] Shell: Both left and right sides of the shell are provided with evenly distributed heat dissipation holes, a support plate is provided at the lower end of the shell, a communication chip is provided on the right side of the upper surface of the support plate, and a single-chip microcomputer is provided on the left side of the upper surface of the support plate. The communication chip is electrically connected to the single-chip microcomputer in a bidirectional manner, and the input end of the single-chip microcomputer is electrically connected to an external power supply;

[0006] Dust-proof unit: It includes a slide bar and a filter assembly. The slide bars are symmetrically arranged on the left and right inner walls of the shell, and two vertically corresponding slide bars form a group. The middle part of a group of slide bars is slidably connected with a filter assembly. The heat dissipation holes are arranged in cooperation with the filter assembly. The circulation of air can be used to dissipate heat for the internal electrical components and prevent the entry of external dust. It has a long service life, is easy to clean dust, and has good maintenance convenience.

[0007] Furthermore, the filter assembly includes a gauze frame and a gauze, and the gauze frames are slidably connected between two vertically corresponding slide bars, and gauze is installed inside the gauze frame. The heat dissipation holes are arranged in cooperation with the gauze to filter the air.

[0008] Furthermore, the dustproof unit also includes spring sheets, which are respectively arranged at the left and right ends of the rear side wall of the shell, and the spring sheets are respectively arranged in cooperation with the laterally adjacent mesh frames to facilitate the positioning of the mesh frames.

[0009] Furthermore, the dustproof unit also includes brush strips, which are respectively arranged at the rear end of the mesh frame to facilitate the cleaning of the heat dissipation holes.

[0010] Furthermore, the front side of the mesh frame is provided with a pull plate, the front end of the pull plate extends out of the front side of the shell, and the front end of the pull plate is provided with a long hole to facilitate pulling out the mesh frame.

[0011] Furthermore, a protective cover is rotatably connected to the front end of the upper surface of the shell via a rotating shaft to provide protection for the front end of the shell.

[0012] Furthermore, four corners of the lower end of the shell are provided with mounting holes to facilitate the fixing of the shell.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the communication module of the electric actuator has the following advantages:

[0014] 1. During use, the external air can flow through the heat dissipation holes and the gauze with the air inside the shell, which is convenient for the heat dissipation of the single-chip microcomputer and the communication chip. The gauze can prevent the entry of dust in the air. During use, the circulation of air can be used to dissipate the heat of the internal electrical components and prevent the entry of external dust, greatly extending the service life of the communication module of the electric actuator.

[0015] 2. After long-term use, dust will stay inside the heat dissipation holes and on the gauze. When cleaning the dust, you can pinch the long hole and pull the pull plate forward. The pull plate drives the gauze frame to slide forward along the slide bar, and the gauze frame separates from the spring sheet. The gauze frame drives the gauze and the brush bar to move synchronously. The brush bar sweeps the left and right inner walls of the outer shell, and the brush bar sweeps out the dust inside the heat dissipation holes. After the gauze frame is pulled out, the gauze can be taken out for cleaning. After cleaning, the gauze and gauze frame can be reset and installed. The gauze can be pulled out for cleaning. While pulling it out, you can use the brush to sweep the inside of the outer shell to clean the heat dissipation holes of the communication module. It is convenient to clean and can prevent the entry of dust, thereby improving the convenience of using the communication module of the electric actuator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the housing of the utility model;

[0018] Figure 3It is a schematic diagram of the enlarged structure of point A of the utility model.

[0019] In the figure: 1 housing, 2 support plate, 3 single chip microcomputer, 4 communication chip, 5 heat dissipation hole, 6 dustproof unit, 61 slide bar, 62 filter assembly, 621 yarn mesh frame, 622 yarn mesh, 63 spring sheet, 64 brush bar, 7 pull plate, 8 long hole, 9 protective cover, 10 installation hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 ,This embodiment provides a technical solution: a communication module of an electric actuator, comprising a housing 1 and a dustproof unit 6;

[0022] Shell 1: Both left and right side surfaces thereof are provided with evenly distributed heat dissipation holes 5, which provide protection for the components inside the shell 1. A support plate 2 is provided at the lower end inside the shell 1, and the support plate 2 provides an installation position for the components above. A communication chip 4 is provided on the right side of the upper surface of the support plate 2, and a single-chip computer 3 is provided on the left side of the upper surface of the support plate 2. The communication chip 4 is electrically connected to the single-chip computer 3 in a bidirectional manner. The input end of the single-chip computer 3 is electrically connected to an external power supply, and the cable of the electric actuator is connected to the corresponding terminal on the shell 1 on the front side of the single-chip computer 3, and the communication cable is connected to the terminal on the front side of the communication chip 4, thereby realizing the communication of the electric actuator. A protective cover 9 is connected to the front end of the upper surface of the shell 1 through a rotating shaft. After the cable wiring is completed, the protective cover 9 is flipped downward to protect the terminal. The four corners of the lower end of the shell 1 are provided with mounting holes 10, and bolts are used to pass through the mounting holes 10 to connect to the housing of the electric actuator to realize the fixation of the shell 1;

[0023] Dustproof unit 6: It includes a slide bar 61 and a filter assembly 62. The slide bars 61 are symmetrically arranged on the left and right inner walls of the shell 1, and the two vertically corresponding slide bars 61 form a group. The middle part of a group of slide bars 61 is slidably connected with the filter assembly 62. The heat dissipation holes 5 are all arranged in cooperation with the filter assembly 62. The filter assembly 62 includes a gauze rack 621 and a gauze 622. The gauze rack 621 is slidably connected between the two vertically corresponding slide bars 61, and the inside of the gauze rack 621 is installed with a gauze 622. The heat dissipation holes 5 are all arranged in cooperation with the gauze 622. During use, the external air can flow through the heat dissipation holes 5 and the gauze 622 with the air inside the shell 1, which is convenient for the heat dissipation of the single-chip computer 3 and the communication chip 4. The gauze 622 can prevent the entry of dust in the air. The gauze rack 621 drives the gauze 622 to move synchronously. After the mesh frame 621 is pulled out, the gauze 622 can be taken out for cleaning. The dustproof unit 6 also includes a spring sheet 63, which is respectively arranged at the left and right ends of the rear side wall of the outer shell 1. The spring sheets 63 are respectively arranged in cooperation with the laterally adjacent mesh frames 621. The spring sheets 63 undergo elastic deformation to press the mesh frame 621 to prevent the mesh frame 621 from loosening. The dustproof unit 6 also includes a brush strip 64, which is respectively arranged at the rear end inside the mesh frame 621. The brush strip 64 sweeps the left and right inner walls of the outer shell 1, and the brush strip 64 sweeps out the dust inside the heat dissipation hole 5. The front side surface of the mesh frame 621 is provided with a pull plate 7, and the front end of the pull plate 7 extends out of the front side surface of the outer shell 1. The front end of the pull plate 7 is provided with a long hole 8, and the pull plate 7 can be pulled forward by pinching the long hole 8, and the pull plate 7 drives the mesh frame 621 to slide forward along the slide bar 61.

[0024] The working principle of a communication module of an electric actuator provided by the utility model is as follows: a bolt is used to pass through the mounting hole 10 to connect with the shell of the electric actuator to fix the shell 1, and then the cable of the electric actuator is connected to the corresponding terminal on the front side of the shell 1 of the single-chip microcomputer 3, and the communication cable is connected to the terminal on the front side of the communication chip 4, thereby realizing the communication of the electric actuator. After the cable wiring is completed, the protective cover 9 is flipped down to protect the terminal. During use, the external air can flow through the heat dissipation holes 5 and the gauze 622 with the air inside the shell 1, which is convenient for the heat dissipation of the single-chip microcomputer 3 and the communication chip 4. The gauze 622 can prevent the entry of dust in the air. After long-term use, dust will stay inside the heat dissipation hole 5 and on the gauze 622. When cleaning the dust, you can pinch the long hole 8 to pull the pull plate 7 forward, and the pull plate 7 drives the gauze frame 621 to slide forward along the slide bar 61, and the gauze frame 621 is separated from the spring sheet 63. The gauze frame 621 drives the gauze 622 and the brush strip 64 to move synchronously, and the brush strip 64 sweeps the left and right inner walls of the outer shell 1. The brush strip 64 sweeps out the dust inside the heat dissipation hole 5. After the gauze frame 621 is pulled out, the gauze 622 can be taken out for cleaning. After cleaning, the gauze 622 and the gauze frame 621 can be reset and installed, and the spring sheet 63 undergoes elastic deformation to press the gauze frame 621 to prevent the gauze frame 621 from loosening.

[0025] It is worth noting that the communication chip 4 and the single-chip microcomputer 3 disclosed in the above embodiments can be freely configured according to the actual application scenario. The communication chip 4 can be a communication chip of model MAX485, and the single-chip microcomputer 3 can be a single-chip microcomputer of model AT89C51. The single-chip microcomputer 3 controls the operation of the communication chip 4 using methods commonly used in the prior art.

[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A communication module for an electric actuator, characterized in that: It comprises a housing (1) and a dustproof unit (6); The housing (1) is provided with evenly distributed heat dissipation holes (5) on both left and right side surfaces. A support plate (2) is provided at the lower end of the housing (1). A communication chip (4) is provided on the right side of the upper surface of the support plate (2). A single-chip computer (3) is provided on the left side of the upper surface of the support plate (2). The communication chip (4) is bidirectionally electrically connected to the single-chip computer (3). The input end of the single-chip computer (3) is electrically connected to an external power supply. The dustproof unit (6) comprises a slide bar (61) and a filter assembly (62), wherein the slide bars (61) are symmetrically arranged on the left and right inner side walls of the housing (1), two vertically corresponding slide bars (61) form a group, the middle part of a group of slide bars (61) is slidably connected to the filter assembly (62), and the heat dissipation holes (5) are arranged in cooperation with the filter assembly (62).

2. The communication module of an electric actuator according to claim 1, characterized in that: The filter assembly (62) comprises a gauze frame (621) and a gauze (622); the gauze frame (621) is slidably connected between two vertically corresponding slide bars (61); the gauze frame (621) is installed with a gauze (622) inside; and the heat dissipation holes (5) are arranged in cooperation with the gauze (622).

3. The communication module of an electric actuator according to claim 2, characterized in that: The dustproof unit (6) further comprises a spring sheet (63), wherein the spring sheet (63) is respectively arranged at the left and right ends of the rear side wall of the housing (1), and the spring sheet (63) is respectively arranged in cooperation with the laterally adjacent gauze racks (621).

4. The communication module of an electric actuator according to claim 2, characterized in that: The dustproof unit (6) further comprises brush strips (64), wherein the brush strips (64) are respectively arranged at the rear end inside the gauze frame (621).

5. The communication module of an electric actuator according to claim 2, characterized in that: The front side surfaces of the gauze racks (621) are each provided with a pull plate (7), the front end of the pull plate (7) extends out of the front side surface of the housing (1), and the front end of the pull plate (7) is provided with a long hole (8).

6. The communication module of an electric actuator according to claim 1, characterized in that: The front end of the upper surface of the housing (1) is rotatably connected to a protective cover (9) via a rotating shaft.

7. The communication module of an electric actuator according to claim 1, characterized in that: Four corners of the lower end of the housing (1) are provided with mounting holes (10).

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