High-precision PLC servo controller

Abstract

The utility model relates to the technical field of PLC controllers, and discloses a high-precision PLC servo controller, which comprises a shell, a pair of hinges are fixedly arranged on one side of the front end surface of the shell, a protective door is rotatably arranged on one side of the pair of hinges, and a handle is fixedly arranged on one side, far away from the hinges, of the front end surface of the protective door. According to the utility model, when a worker uses the controller, fingerprints are scanned through the fingerprint scanner, scanned fingerprint data are identified through the fingerprint identifier, and power is supplied to the electromagnet when the identification passes, so that the electromagnet and the magnet are attracted, and therefore, the limiting of the limiting ring on the protective door is canceled, and the protective door can be opened for operation; according to the device, the safety of the controller can be improved, and different permissions and access control can be set according to different personnel, so that the use permissions of the servo controller can be flexibly managed, only authorized personnel can operate the servo controller, and unrelated personnel can be prevented from touching the controller.

Description

Technical Field

[0001] The utility model relates to the technical field of PLC controllers, in particular to a high-precision PLC servo controller. Background Art

[0002] PLC servo controller is widely used in automated production lines, mechanical processing, packaging equipment, printing equipment and other fields, which can improve production efficiency and product quality. PLC servo controller is a device that integrates the functions of PLC (Programmable Logic Controller) and servo controller. It can realize precise control and motion control of servo motor.

[0003] The existing PLC servo controller has a weak anti-touch function after use, and is easily touched by unrelated personnel, thus affecting the safety of the system. In addition, the heat dissipation performance and dust prevention capabilities are weak. The internal equipment will heat up during long-term use, which can easily affect the service life of the equipment. Dust enters the controller and accumulates, which can easily cause internal equipment short circuits.

[0004] Therefore, those skilled in the art provide a high-precision PLC servo controller to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings existing in the prior art, and proposes a high-precision PLC servo controller. A fingerprint scanner scans the fingerprint of the staff, and the scanned fingerprint data is identified by a fingerprint identifier. The identification is performed by supplying power to the electromagnet so that the electromagnet and the magnet are adsorbed, thereby canceling the limit on the upper limit ring of the protective door, improving the anti-touch performance, and avoiding irrelevant personnel from touching. The fan can accelerate the air flow inside the controller, take away the internal heat, and avoid internal high temperature. Before the air enters the controller, it is filtered through the filter of the fan box, which can avoid dust from entering the controller, and realizes both dust prevention and heat prevention. The fan box can be installed and disassembled through the L-shaped card block and the L-shaped card slot, which can facilitate the cleaning of the filter at a later time.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-precision PLC servo controller comprises a housing, a front end face of the housing is fixedly provided with a pair of hinges on one side, a protective door is rotatably provided on one side of the pair of hinges, and a handle is fixedly provided on the front end face of the protective door away from the hinges;

[0008] A fixing groove is provided on the front end face of the shell away from the hinge, a magnet is fixedly arranged at the bottom end of the fixing groove, a spring is fixedly arranged on the top of the magnet, an electromagnet is fixedly arranged on the top of the spring, a limiting ring is fixedly arranged at the rear end of the protective door, the electromagnet is slidably connected to the limiting ring, and a fingerprint scanner is fixedly arranged on one side of the bottom of the front end face of the shell.

[0009] Through the above technical solution, an electromagnet and a magnet are arranged inside the fixed groove, and the magnet and the electromagnet are connected by a spring. The fingerprint scanner can cancel the limit of the limit ring by energizing the electromagnet, so that the protective door can be opened.

[0010] Furthermore, a controller body is fixedly arranged inside the shell, a fingerprint identifier is fixedly arranged on a side of the shell away from the controller body, a fan is fixedly arranged on a side of the shell away from the hinge, a fan box is fixedly arranged on a side of the shell close to the fan, and an air filter is fixedly arranged in the middle of the fan box;

[0011] Through the above technical solution, the fan can accelerate the air flow and bring the heat generated by the internal controller body and the fingerprint identifier out of the outer casing. The air is filtered through the filter before entering the controller to prevent dust from entering the controller.

[0012] Furthermore, four L-shaped card blocks are fixedly arranged on one side of the fan box close to the shell, and four L-shaped card slots are opened on one side of the shell close to the fan box, and the four L-shaped card blocks are respectively engaged with the four L-shaped card slots;

[0013] According to the technical solution, the filter is installed by connecting the L-shaped card slot and the L-shaped card block, which makes it easy to clean the filter later.

[0014] Furthermore, a pair of mounting blocks are fixedly provided at both upper and lower ends of the housing, and a mounting hole is provided in the middle of each mounting block;

[0015] Through the above technical solution, the mounting holes on the mounting block can facilitate the installation of the controller on the wall.

[0016] Furthermore, a pair of connectors are fixedly provided on one side of the housing, and both connectors are electrically connected to the controller body;

[0017] Through the above technical solution, the connector is used to install the controller on the control circuit.

[0018] Furthermore, a display screen is fixedly arranged in the middle of the front end surface of the shell, and a plurality of control buttons are evenly fixedly arranged at the bottom of the front end surface of the shell;

[0019] Through the above technical solution, the controller works through the control button and the display screen to control the operation of the control device.

[0020] Furthermore, a power socket is fixedly provided at the bottom of one side of the housing close to the fan box;

[0021] Through the above technical solution, the power socket is used to connect to the power supply for the fan and the fingerprint identifier and fingerprint scanner.

[0022] Furthermore, three oblique vents are evenly arranged on one side of the housing away from the fan box;

[0023] Through the above technical solution, the air brought in by the fan is blown out through the oblique vents to take out the heat.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a high-precision PLC servo controller. When using the controller, the staff scans the fingerprint through the fingerprint scanner, and the scanned fingerprint data is identified by the fingerprint identifier. After the identification is passed, the electromagnet is powered to make the electromagnet adsorbed by the magnet, thereby canceling the limit of the upper limit ring of the protective door, and the protective door can be opened for operation. The device can improve the security of the controller, and different permissions and access controls can be set according to different personnel, so that the use permissions of the servo controller can be flexibly managed to ensure that only authorized personnel can operate it, and irrelevant personnel can be prevented from touching it.

[0026] 2. The utility model proposes a high-precision PLC servo controller, in which the fan can accelerate the air flow. The air enters the controller and takes the heat generated by the internal equipment out of the controller, thereby improving the heat dissipation efficiency. While dissipating the heat, the air is filtered through the filter to filter the dust in the air in advance, which can prevent the dust from entering the controller and accumulating to form a short circuit, thereby achieving both heat dissipation and dust prevention. The fan box is installed using an L-shaped slot and an L-shaped card block, which is easy to disassemble and install. The filter will inevitably be blocked when used for a long time, affecting the air intake effect, and the filter can be easily disassembled for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an exploded diagram of a high-precision PLC servo controller proposed by the utility model;

[0028] Figure 2 This is a left isometric view of a high-precision PLC servo controller proposed by the utility model;

[0029] Figure 3 This is a main sectional view of a high-precision PLC servo controller proposed by the utility model;

[0030] Figure 4 A side sectional view of a high-precision PLC servo controller proposed by the utility model;

[0031] Figure 5 for Figure 4 A magnified image of point A;

[0032] Figure 6 for Figure 3 Enlarged view of point B.

[0033] Legend:

[0034] 1. Shell; 2. Hinge; 3. Connector; 4. Oblique vent; 5. Protective door; 6. Handle; 7. Mounting block; 8. Mounting hole; 9. Fixing slot; 10. Fan box; 11. Air filter; 12. Power socket; 13. Fingerprint scanner; 14. Limiting ring; 15. Display; 16. Control button; 17. Fan; 18. L-shaped slot; 19. L-shaped block; 20. Controller body; 21. Fingerprint reader; 22. Electromagnet; 23. Spring; 24. Magnet. DETAILED DESCRIPTION

[0035] 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. In the description of this application, it should be noted that the terms used here are only for describing specific implementations, and are not intended to limit the exemplary implementations according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0036] Reference Figure 1-6 , an embodiment provided by the utility model:

[0037] A high-precision PLC servo controller comprises a housing 1, a pair of hinges 2 are fixedly arranged on one side of the front end surface of the housing 1, a protective door 5 is rotatably arranged on one side of the pair of hinges 2, and a handle 6 is fixedly arranged on the side of the front end surface of the protective door 5 away from the hinges 2;

[0038] A fixing groove 9 is provided on the side of the front end face of the shell 1 away from the hinge 2, a magnet 24 is fixedly arranged at the bottom end inside the fixing groove 9, a spring 23 is fixedly arranged on the top of the magnet 24, an electromagnet 22 is fixedly arranged on the top of the spring 23, a limit ring 14 is fixedly arranged at the rear end of the protective door 5, the electromagnet 22 is slidably connected to the limit ring 14, a fingerprint scanner 13 is fixedly arranged on one side of the bottom of the front end face of the shell 1, an electromagnet 22 and a magnet 24 are arranged inside the fixing groove 9, the magnet 24 and the electromagnet 22 are connected by a spring 23, and the fingerprint scanner can cancel the limit of the limit ring 14 by energizing the electromagnet 22, thereby realizing the opening of the protective door 5.

[0039] A controller body 20 is fixedly arranged inside the shell 1, a fingerprint identifier 21 is fixedly arranged on the side of the shell 1 away from the controller body 20, a fan 17 is fixedly arranged on the side of the shell 1 away from the hinge 2, a fan box 10 is clamped on the side of the shell 1 close to the fan 17, an air filter 11 is fixedly arranged in the middle of the fan box 10, the fan 17 can accelerate the air flow, and bring the heat generated by the internal controller body 20 and the fingerprint identifier 21 out of the shell 1, and the air is filtered by the filter before entering the controller to prevent dust from entering the controller, four L-shaped blocks 19 are fixedly arranged on the side of the fan box 10 close to the shell 1, four L-shaped slots 18 are opened on the side of the shell 1 close to the fan box 10, the four L-shaped blocks 19 are respectively clamped with the four L-shaped slots 18, and the filter is installed by clamping the L-shaped slots 18 and the L-shaped blocks 19, which can facilitate the cleaning of the filter later, and the upper and lower ends of the shell 1 are fixedly provided with A pair of mounting blocks 7 are provided, each mounting block 7 is provided with a mounting hole 8 in the middle, and the mounting hole 8 on the mounting block 7 can facilitate the installation of the controller on the wall. A pair of connectors 3 are fixedly provided on one side of the shell 1, and the two connectors 3 are electrically connected to the controller body 20, and the connector 3 is used to install the controller on the control circuit. A display screen 15 is fixedly provided in the middle of the front end surface of the shell 1, and a number of control buttons 16 are evenly fixedly provided at the bottom of the front end surface of the shell 1. The controller is controlled by the control buttons 16 and the display screen 15 to control the operation of the control device. A power socket 12 is fixedly provided at the bottom of the shell 1 close to the fan box 10. The power socket 12 is used to connect to the power supply for the fan 17 and the fingerprint identifier 21 and the fingerprint scanner 13. Three oblique vents 4 are evenly provided on the side of the shell 1 away from the fan box 10, and the air brought in by the fan 17 is blown out through the oblique vents 4 to take out the heat.

[0040] Working principle: an electromagnet 22 and a magnet 24 are arranged inside the fixed groove 9, and the magnet 24 and the electromagnet 22 are connected by a spring 23. The electromagnet 22 passes through the limit ring 14 to limit it, that is, the protective door 5 is limited. After the fingerprint scan is passed, the electromagnet 22 is energized to cancel the limit of the limit ring 14, so that the protective door 5 can be opened. The fan 17 can accelerate the air flow and bring the heat generated by the internal controller body 20 and the fingerprint identifier 21 out of the shell 1. Before the air enters the controller, it is filtered by the filter in the fan box 10 to prevent dust from entering the controller. The fan box 10 is installed by clamping with the L-shaped slot 18 and the L-shaped block 19, which is convenient for installation and disassembly, and the filter can be cleaned later.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision PLC servo controller, comprising a housing (1), characterized in that: A pair of hinges (2) are fixedly provided on one side of the front end surface of the housing (1); a protective door (5) is rotatably provided on one side of the pair of hinges (2); and a handle (6) is fixedly provided on the side of the front end surface of the protective door (5) away from the hinges (2); A fixing groove (9) is provided on the front end face of the housing (1) away from the hinge (2); a magnet (24) is fixedly arranged at the bottom end of the fixing groove (9); a spring (23) is fixedly arranged on the top of the magnet (24); an electromagnet (22) is fixedly arranged on the top of the spring (23); a limit ring (14) is fixedly arranged at the rear end of the protective door (5); the electromagnet (22) is slidably connected to the limit ring (14); and a fingerprint scanner (13) is fixedly arranged on one side of the bottom end face of the housing (1).

2. A high-precision PLC servo controller according to claim 1, characterized in that: A controller body (20) is fixedly arranged inside the housing (1); a fingerprint identifier (21) is fixedly arranged on a side of the housing (1) away from the controller body (20); a fan (17) is fixedly arranged on a side of the housing (1) away from the hinge (2); a fan box (10) is fixedly arranged on a side of the housing (1) close to the fan (17); and an air filter (11) is fixedly arranged in the middle of the fan box (10).

3. A high-precision PLC servo controller according to claim 2, characterized in that: Four L-shaped card blocks (19) are fixedly arranged on one side of the fan box (10) close to the outer shell (1), and four L-shaped card slots (18) are opened on one side of the outer shell (1) close to the fan box (10), and the four L-shaped card blocks (19) are respectively engaged with the four L-shaped card slots (18).

4. A high-precision PLC servo controller according to claim 1, characterized in that: A pair of mounting blocks (7) are fixedly arranged at both upper and lower ends of the housing (1), and a mounting hole (8) is provided in the middle of each mounting block (7).

5. A high-precision PLC servo controller according to claim 1, characterized in that: A pair of connectors (3) are fixedly arranged on one side of the housing (1), and both connectors (3) are electrically connected to the controller body (20).

6. A high-precision PLC servo controller according to claim 1, characterized in that: A display screen (15) is fixedly arranged in the middle of the front end surface of the housing (1), and a plurality of control buttons (16) are evenly fixedly arranged at the bottom of the front end surface of the housing (1).

7. A high-precision PLC servo controller according to claim 1, characterized in that: A power socket (12) is fixedly provided at the bottom of one side of the housing (1) close to the fan box (10).

8. A high-precision PLC servo controller according to claim 1, characterized in that: Three oblique ventilation openings (4) are evenly arranged on a side of the housing (1) away from the fan box (10).

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