CN213900050U

CN213900050U - Anti-electromagnetic interference actuator

Info

Publication number: CN213900050U
Application number: CN202022966190.6U
Authority: CN
Inventors: 叶中樵; 常言海; 陈晓华; 李玉发; 袁瑞瑞; 张俊
Original assignee: WUHAN NORMAN TECHNOLOGY CO LTD
Current assignee: WUHAN NORMAN TECHNOLOGY CO LTD
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-06
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an anti-electromagnetic interference's executor relates to executor technical field, for solving the problem that ordinary executor anti-electromagnetic interference ability is weak among the prior art. The cap is installed to the top of controller, and cap and controller fixed connection, the copper is installed to the below of cap, and copper and cap fixed connection, the internally mounted of controller has the copper cover, and copper cover and controller fixed connection, mainboard frame is installed to the top of copper cover, and mainboard frame and copper cover fixed connection, integrated circuit board is installed to the top of mainboard frame, and integrated circuit board and mainboard frame fixed connection, anti-electromagnetic interference electric capacity is installed to integrated circuit board's top, and anti-electromagnetic interference electric capacity and integrated circuit board electric connection, casing and controller fixed connection.

Description

Anti-electromagnetic interference actuator

Technical Field

The utility model relates to an executor technical field specifically is an anti-electromagnetic interference's executor.

Background

The actuator is an essential important component in an automatic control system and has the functions of receiving a control signal sent by a controller, changing the size of a controlled medium, so as to maintain the controlled variable at the required value or within a certain range, the actuator can be divided into three categories of pneumatic, hydraulic and electric according to the energy form, the pneumatic actuator uses compressed air as energy, it is characterized by simple structure, reliable and stable action, large output thrust, convenient maintenance, fire and explosion protection, and the price is low, so the device can be widely applied to the production processes of chemical industry, paper making, oil refining and the like, can be conveniently matched with a passive instrument for use, even when using an electric meter or computer control, the pneumatic actuator can still be used as long as the electrical signal is converted into a standard air pressure signal of 20-100kPa through an electrical converter or an electrical valve positioner.

The electric actuator is convenient to use energy, rapid in signal transmission, complex in structure and poor in explosion-proof performance, the electric actuator is internally composed of a motor, a speed reducer and a controller, the motor generates a large amount of electromagnetism during operation, the electrification circuit also generates a large amount of electromagnetism, and a common actuator has no shielding structure for the electromagnetism, so that the electromagnetic anti-interference capability of the actuator is poor, and an error instruction is easy to occur when the actuator works; therefore, the market is urgently in need of developing an anti-electromagnetic interference actuator to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-electromagnetic interference's executor to solve the problem that the ordinary executor anti-electromagnetic interference ability that provides among the above-mentioned background art is weak.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-electromagnetic interference's executor, includes casing and controller, the cap is installed to the top of controller, and cap and controller fixed connection, the copper is installed to the below of cap, and copper and cap fixed connection, the internally mounted of controller has the copper cover, and copper cover and controller fixed connection, mainboard frame is installed to the top of copper cover, and mainboard frame and copper cover fixed connection, integrated circuit board is installed to the top of mainboard frame, and integrated circuit board and mainboard frame fixed connection, anti-electromagnetic interference electric capacity is installed to integrated circuit board's top, and anti-electromagnetic interference electric capacity and integrated circuit board electric connection, casing and controller fixed connection.

Preferably, the internally mounted of casing has magnet coil, and magnet coil and casing fixed connection, the internally mounted of casing has the output shaft, and the output shaft passes through the bearing rotation with the casing and is connected, the rotor is installed in the outside of output shaft, and rotor and output shaft fixed connection, the one end of output shaft is provided with the output tooth, and output tooth and output shaft set up structure as an organic whole, the outside of casing is provided with the heat dissipation fin, and the heat dissipation fin sets up structure as an organic whole with the casing.

Preferably, first speed reduction tooth group and second speed reduction tooth group are all installed to the inside of casing, and first speed reduction tooth group and second speed reduction tooth group all rotate with the casing and be connected, the output tooth is connected with first speed reduction tooth group interlock, first speed reduction tooth group is connected with second speed reduction tooth group interlock, the internally mounted of casing has the drive tooth, and drives tooth and casing rotation and be connected, the drive tooth is connected with second speed reduction tooth group interlock, the internally mounted of casing has the baffle, and baffle and casing fixed connection.

Preferably, a transmission cylinder is installed to one side of casing, and transmission cylinder and casing fixed connection, the internally mounted of casing has the drive shaft, and the drive shaft passes through the bearing frame with the casing and rotates and be connected, driven tooth is installed to the one end of drive shaft, and driven tooth and drive shaft fixed connection, driven tooth is connected with the interlock of drive tooth.

Preferably, the internally mounted of transmission cylinder has the worm, and the worm passes through the bearing frame with the transmission cylinder and rotates and be connected, the worm passes through shaft coupling fixed connection with the drive shaft.

Preferably, the internally mounted of transmission section of thick bamboo has the interlock axle, and the interlock axle passes through the bearing rotation with the transmission section of thick bamboo and is connected, the gear wheel is installed in the outside of interlock axle, and gear wheel and interlock axle fixed connection, the gear wheel is connected with the worm interlock.

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

1. the utility model discloses a through the copper sheathing, the setting of copper and anti-electromagnetic interference electric capacity, live with the bottom of controller and parcel all around through the copper sheathing, through the copper with the cap inside and outside isolated, thereby completely isolated the outside at the controller with controller outside electromagnetism, thereby avoid electromagnetic influence to the inside components and parts of controller, anti-electromagnetic interference electric capacity has still been installed simultaneously on integrated circuit board, avoid the electromagnetic influence to the circuit board that produces on the circuit, thereby make this executor can both obtain effectual resistance on conduction interference and radiation interference, thereby improve the anti-electromagnetic interference ability of this executor, make this executor during operation safe and reliable more.

2. The utility model discloses a through the setting of worm, through worm and gear wheel interlock, when the worm rotates, can drive the gear wheel and rotate, and when the worm does not rotate, the gear wheel is pinned for the gear wheel is fixed, thereby has saved locking device's arrangement, reduces the volume of this executor, makes this executor be convenient for more install and use.

Drawings

Fig. 1 is a front view of an anti-electromagnetic interference actuator according to the present invention;

fig. 2 is a front cross-sectional view of an anti-electromagnetic interference actuator according to the present invention;

fig. 3 is a cross-sectional view of the anti-electromagnetic interference actuator of the present invention.

In the figure: 1. a housing; 2. a controller; 3. a transmission cylinder; 4. a heat dissipating fin; 5. a shell cover; 6. a copper cap; 7. a motherboard frame; 8. an integrated circuit board; 9. an anti-electromagnetic interference capacitor; 10. a copper plate; 11. a magnet coil; 12. a rotor; 13. an output shaft; 14. outputting a tooth; 15. a partition plate; 16. a first reduction gear group; 17. a second reduction gear group; 18. a drive tooth; 19. a driven tooth; 20. a drive shaft; 21. a worm; 22. a bull gear; 23. the shaft is engaged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an anti-electromagnetic interference's executor, including casing 1 and controller 2, cap 5 is installed to controller 2's top, and cap 5 and controller 2 fixed connection, copper 10 is installed to cap 5's below, and copper 10 and cap 5 fixed connection, controller 2's internally mounted has copper casing 6, and copper casing 6 and controller 2 fixed connection, mainboard frame 7 is installed to copper casing 6's top, and mainboard frame 7 and copper casing 6 fixed connection, integrated circuit board 8 is installed to mainboard frame 7's top, and integrated circuit board 8 and mainboard frame 7 fixed connection, anti-electromagnetic interference electric capacity 9 is installed to integrated circuit board 8's top, and anti-electromagnetic interference electric capacity 9 and integrated circuit board 8 electric connection, casing 1 and controller 2 fixed connection.

Further, the internally mounted of casing 1 has magnet coil 11, and magnet coil 11 and casing 1 fixed connection, the internally mounted of casing 1 has output shaft 13, and output shaft 13 passes through the bearing rotation with casing 1 and is connected, rotor 12 is installed to the outside of output shaft 13, and rotor 12 and output shaft 13 fixed connection, the one end of output shaft 13 is provided with output tooth 14, and output tooth 14 sets up structure as an organic whole with output shaft 13, the outside of casing 1 is provided with heat dissipation fin 4, and heat dissipation fin 4 sets up structure as an organic whole with casing 1, set up through heat dissipation fin 4 that casing 1 provides effectual heat dissipation.

Further, a first speed reduction tooth group 16 and a second speed reduction tooth group 17 are installed inside the shell 1, the first speed reduction tooth group 16 and the second speed reduction tooth group 17 are connected with the shell 1 in a rotating mode, the output teeth 14 are connected with the first speed reduction tooth group 16 in an engaging mode, the first speed reduction tooth group 16 is connected with the second speed reduction tooth group 17 in an engaging mode, driving teeth 18 are installed inside the shell 1, the driving teeth 18 are connected with the shell 1 in a rotating mode, the driving teeth 18 are connected with the second speed reduction tooth group 17 in an engaging mode, a partition plate 15 is installed inside the shell 1, the partition plate 15 is fixedly connected with the shell 1, and the partition plate 15 is connected with the output shaft 13 in a rotating mode through bearings.

Further, a transmission cylinder 3 is installed to one side of casing 1, and transmission cylinder 3 and casing 1 fixed connection, and the internally mounted of casing 1 has drive shaft 20, and drive shaft 20 passes through the bearing frame with casing 1 and rotates and be connected, and driven tooth 19 is installed to the one end of drive shaft 20, and driven tooth 19 and drive shaft 20 fixed connection, and driven tooth 19 is connected with drive tooth 18 interlock, and drive shaft 20 also rotates through the bearing with transmission cylinder 3 simultaneously and is connected.

Further, the worm 21 is installed inside the transmission cylinder 3, the worm 21 is rotatably connected with the transmission cylinder 3 through a bearing seat, the worm 21 is fixedly connected with the driving shaft 20 through a coupler, and the transmission cylinder 3 is separated from the shell 1.

Furthermore, an occlusion shaft 23 is installed inside the transmission cylinder 3, the occlusion shaft 23 is rotatably connected with the transmission cylinder 3 through a bearing, a large gear 22 is installed on the outer side of the occlusion shaft 23, the large gear 22 is fixedly connected with the occlusion shaft 23, the large gear 22 is in occlusion connection with the worm 21, and power is output through the occlusion shaft 23.

The working principle is as follows: when the electromagnetic interference type electromagnetic driving device is used, power is supplied to the integrated circuit board 8 in the controller 2, then power is supplied to the magnet coil 11 through the controller 2, the magnet coil 11 is electrified to drive the rotor 12 to rotate according to electromagnetic induction, the rotor 12 drives the output shaft 13 to rotate, the output shaft 13 drives the output tooth 14 to rotate, the output tooth 14 is decelerated through the first deceleration tooth group 16 and the second deceleration tooth group 17 to drive the driving tooth 18 to rotate, the driving tooth 18 drives the driving shaft 20 to rotate through the driven tooth 19, the driving shaft 20 drives the large gear 22 to rotate through the worm 21, the large gear 22 drives the engaging shaft 23 to rotate, the engaging shaft 23 is connected with the input end of other equipment, so that an execution command is realized to drive the final driving equipment to work, when the magnet coil 11 generates electromagnetism, the electromagnetism is shielded by the copper cover 6 and cannot penetrate into the controller 2, and the electromagnetism generated in the circuit is absorbed by the anti-electromagnetic interference capacitor 9, thereby making the integrated circuit board 8 free of electromagnetic fields.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An anti-electromagnetic interference actuator, comprising a housing (1) and a controller (2), characterized in that: a shell cover (5) is arranged above the controller (2), the shell cover (5) is fixedly connected with the controller (2), a copper plate (10) is arranged below the shell cover (5), the copper plate (10) is fixedly connected with the shell cover (5), the copper cover (6) is arranged in the controller (2), the copper cover (6) is fixedly connected with the controller (2), a mainboard frame (7) is arranged above the copper cover (6), and the mainboard frame (7) is fixedly connected with the copper cover (6), an integrated circuit board (8) is arranged above the mainboard frame (7), and the integrated circuit board (8) is fixedly connected with the mainboard frame (7), an anti-electromagnetic interference capacitor (9) is arranged above the integrated circuit board (8), and the anti-electromagnetic interference capacitor (9) is electrically connected with the integrated circuit board (8), and the shell (1) is fixedly connected with the controller (2).

2. The anti-electromagnetic interference actuator of claim 1, wherein: the utility model discloses a motor rotor, including casing (1), the internally mounted of casing (1) has magnet coil (11), and magnet coil (11) and casing (1) fixed connection, the internally mounted of casing (1) has output shaft (13), and output shaft (13) and casing (1) pass through the bearing and rotate and be connected, rotor (12) are installed in the outside of output shaft (13), and rotor (12) and output shaft (13) fixed connection, the one end of output shaft (13) is provided with output tooth (14), and output tooth (14) and output shaft (13) set up structure as an organic whole, the outside of casing (1) is provided with heat dissipation fin (4), and heat dissipation fin (4) set up structure as an organic whole with casing (1).

3. An anti-electromagnetic interference actuator as claimed in claim 2, wherein: first speed reduction tooth group (16) and second speed reduction tooth group (17) are all installed to the inside of casing (1), and first speed reduction tooth group (16) and second speed reduction tooth group (17) all rotate with casing (1) and be connected, output tooth (14) are connected with first speed reduction tooth group (16) interlock, first speed reduction tooth group (16) are connected with second speed reduction tooth group (17) interlock, the internally mounted of casing (1) has drive tooth (18), and drive tooth (18) rotate with casing (1) and be connected, drive tooth (18) are connected with second speed reduction tooth group (17) interlock, the internally mounted of casing (1) has baffle (15), and baffle (15) and casing (1) fixed connection.

4. An anti-electromagnetic interference actuator as claimed in claim 3, wherein: a transmission cylinder (3) is installed to one side of casing (1), and transmission cylinder (3) and casing (1) fixed connection, the internally mounted of casing (1) has drive shaft (20), and drive shaft (20) and casing (1) rotate through the bearing frame and be connected, driven tooth (19) are installed to the one end of drive shaft (20), and follow tooth (19) and drive shaft (20) fixed connection, follow tooth (19) are connected with drive tooth (18) interlock.

5. An anti-electromagnetic interference actuator as claimed in claim 4, wherein: the worm (21) is arranged inside the transmission cylinder (3), the worm (21) is rotationally connected with the transmission cylinder (3) through a bearing seat, and the worm (21) is fixedly connected with the driving shaft (20) through a coupler.

6. An anti-electromagnetic interference actuator as claimed in claim 5, wherein: the gear meshing type worm gear is characterized in that a meshing shaft (23) is arranged inside the transmission cylinder (3), the meshing shaft (23) is rotatably connected with the transmission cylinder (3) through a bearing, a large gear (22) is arranged on the outer side of the meshing shaft (23), the large gear (22) is fixedly connected with the meshing shaft (23), and the large gear (22) is meshed with the worm (21).