CN112003450A - An electromagnetic variable damping controller - Google Patents

Abstract

The invention discloses an electromagnetic variable damping controller, comprising a control end and a damping generating end, wherein the control end is connected with the damping generating end, and the damping generating end comprises a base, a casing, an output shaft, an input shaft, an output support, Input supports, iron cores, solenoid coils, copper discs and tachometers. The invention relates to the technical field of damping controllers, and in particular provides a variable damping control using electromagnetic damping effect, the real-time adjustment of the damping size is realized by controlling the current size in an electromagnetic coil by a current controller, and the torque is measured by a rotational speed torque measuring device. And the speed is transmitted to the current controller, the current controller corrects the current in the electromagnetic coil, realizes the precise control of the damping size, can meet the needs of different damping control, and is an electromagnetic variable damping controller that remotely controls the damping size.

Description

An electromagnetic variable damping controller

technical field

The invention relates to the technical field of damping controllers, in particular to an electromagnetic variable damping controller.

Background technique

Compared with other rotary dampers, the electromagnetic variable damping controller has the characteristic that the damping size can be adjusted at any time, and is often used in the occasion of controlling the dynamic performance of the rotating body. A rotary damper protected by Japanese patent CN201180068692.8 adopts the characteristics of viscous fluid to realize the damping control of the rotational force. After the mechanical structure design between the components is completed, the damping is determined and cannot be changed in real time as needed. At the same time, the relative movement and friction between the components will cause the damper to be damaged and affect the performance as the working time increases. Contact with each other can cause additional noise or vibration. In order to solve the above problems, this paper proposes an electromagnetic variable damping controller.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned existing problems, the present invention provides a variable damping control using the electromagnetic damping effect. The current controller controls the current in the electromagnetic coil to realize real-time adjustment of the damping. The rotational speed and torque measurer measures the torque and rotational speed. Then send it to the current controller, the current controller corrects the current in the electromagnetic coil, realizes the precise control of the damping size, can meet the needs of different damping control, and is an electromagnetic variable damping controller that remotely controls the damping size.

The technical solution adopted in the present invention is as follows: an electromagnetic variable damping controller of the present invention includes a control end and a damping generating end, the control end is connected with the damping generating end, and the damping generating end includes a base, a casing, an output shaft, an input A shaft, an output support, an input support, an iron core, an electromagnetic coil, a copper disc and a rotational speed and torque measuring device, the outer casing is arranged on the base, the output shaft is arranged transversely through one side of the outer casing, and the output supporting member is connected to the device. between the casing and the output shaft, the input shaft is arranged transversely through the other side of the casing, the input support is connected between the casing and the input shaft, and a central shaft is connected between the input shaft and the output shaft , the copper plate is arranged in the casing and fixed on the central shaft, the rotational speed and torque measuring device is arranged on the inner wall of the casing, the iron core is fixed at the measuring end of the rotational speed and torque measuring device, and the electromagnetic coil is wound around Set on the iron core, the control end includes a current controller and a control cable, the current controller is connected with the electromagnetic coil and the rotational speed torque measurer through the control cable, and the current controller controls the current in the electromagnetic coil to achieve correctness. For the control of damping, the current controller realizes precise control of damping through the measurement information of the rotational speed torque measuring instrument.

Further, the control terminal further includes a host computer, the current controller is provided with a host computer interface, and the current controller is connected with the host computer through the host computer interface to realize remote control communication.

Further, the control cable includes a power line and a signal line.

Further, the number of the iron cores and the electromagnetic coils is the same and there are several groups, and the number of the electromagnetic coils and the iron cores can be set as required to meet the needs of different damping control.

Further, the input shaft is connected to the torque input end, and the output shaft is connected to the torque output end.

Further, the shell and the base are connected by screw connection or nail connection.

Further, the copper plate and the central shaft are connected by screwing, gluing and welding.

Further, the input shaft, the central shaft and the output shaft can be integrally connected.

The beneficial effects of the present invention by adopting the above structure are as follows: this scheme is an electromagnetic variable damping controller. After the electromagnetic coil is energized, a magnetic field is generated, and the copper disk moves in the electromagnetic field to generate a damping torque due to the eddy current effect. The magnitude of the torque is related to the current and the electromagnetic coil. The rotation speed of the copper plate is proportional, the current through the electromagnetic coil can be controlled by the current controller, and the damping torque can be adjusted without changing the speed. In addition, the rotational speed and torque measuring device can measure the torque acting on the copper plate. The size and the speed of the copper plate, and the measurement results are transmitted to the current controller to achieve precise control of the damping size, and the current controller can communicate with the host computer through the host computer interface, which can realize remote control of the device.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an electromagnetic variable damping controller of the present invention.

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

Among them, 1. Control end, 2. Damping generation end, 3. Base, 4. Shell, 5. Output shaft, 6. Input shaft, 7. Output support, 8. Input support, 9, Iron core, 10, Solenoid coil, 11, copper plate, 12, rotational speed and torque measuring device, 13, current controller, 14, control cable, 15, host computer interface, 16, central axis.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

As shown in FIG. 1, an electromagnetic variable damping controller of the present invention includes a control end 1 and a damping generating end 2, the control end 1 is connected with the damping generating end 2, and the damping generating end 2 includes a base 3 and a casing 4 , output shaft 5, input shaft 6, output support 7, input support 8, iron core 9, electromagnetic coil 10, copper disc 11 and rotational speed torque measurer 12, the casing 4 is set on the base 3, the output The shaft 5 is arranged transversely through one side of the casing 4, the output support 7 is connected between the casing 4 and the output shaft 5, the input shaft 6 is arranged transversely through the other side of the casing 4, and the input support 8 is connected It is arranged between the casing 4 and the input shaft 6, and a central shaft 16 is connected between the input shaft 6 and the output shaft 5. The copper plate 11 is arranged in the casing 4 and fixed on the central shaft 16. The rotational speed and torque measuring device 12 is arranged on the inner wall of the casing 4, the iron core 9 is fixedly arranged at the measuring end of the rotational speed and torque measuring device 12, the electromagnetic coil 10 is wound on the iron core 9, and the control end 1 includes a current A controller 13 and a control cable 14, the current controller 13 is connected with the electromagnetic coil 10 and the rotational speed torque measurer 12 through the control cable 14, the current controller 13 controls the current in the electromagnetic coil 10 to control the damping, The current controller 13 realizes precise control of the damping through the measurement information of the rotational speed torque measuring device 12 .

The control terminal 1 further includes a host computer, the current controller 13 is provided with a host computer interface 15, and the current controller 13 is connected to the host computer through the host computer interface 15; the control cable 14 also includes a power supply wire and signal wire; the iron core 9 and the electromagnetic coil 10 have the same number and are provided with several groups; the input shaft 6 is connected to the torque input end, the output shaft 5 is connected to the torque output end; the casing 4 is connected to the base 3 includes screw connection and nail connection; the copper plate 11 and the central shaft 16 include screw connection, glue connection and welding connection; the input shaft 6 , the central shaft 16 and the output shaft 5 can be integrally connected.

In specific use, when the input shaft 6 inputs power, it drives the central shaft 16 to rotate, the central shaft 16 drives the copper disc 11 to rotate, and at the same time the central shaft 16 drives the output shaft 5 to rotate. Moving in the electromagnetic field, damping force is generated due to the eddy current effect; and the rotational speed torque measuring device 12 can measure the torque on the iron core 9 and the rotational speed of the copper disc 11, and transmit it to the current controller 13 through the control cable 14, and then the current controller 13. 13 Calculate the damping size through the measurement results of the rotational speed torque measuring device 12, compare it with the set value, and then control the current size in the electromagnetic coil 10 through the control cable 14 to realize the correction of the damping. In addition, the host computer communicates with the host computer interface 15 through the The current controller 13 performs bidirectional communication to realize remote control of the damping generating end 2 . In addition, the current controller 13 can measure the rotational speed of the center shaft 16 by not energizing the electromagnetic coil 10 through the control cable 14 .

The present invention and its embodiments have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, and without departing from the purpose of the present invention, any structural modes and embodiments similar to this technical solution are designed without creativity, all should belong to the protection scope of the present invention.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Claims (8)

1. an electromagnetic variable damping controller, it is characterized in that: comprise control end and damping generating end, described control end is connected with damping generating end, and described damping generating end comprises base, shell, output shaft, input shaft, output support components, input supports, iron cores, electromagnetic coils, copper discs and rotational speed and torque measuring devices, the casing is arranged on the base, the output shaft is arranged transversely through one side of the casing, and the output supports are connected to the casing and the output between the shafts, the input shaft is arranged transversely through the other side of the casing, the input support is connected between the casing and the input shaft, and a central shaft is connected between the input shaft and the output shaft, and the copper The disk is arranged in the casing and fixed on the central axis, the rotational speed and torque measuring device is arranged on the inner wall of the casing, the iron core is fixed at the measuring end of the rotational speed and torque measuring device, and the electromagnetic coil is wound around the iron core. Above, the control terminal includes a current controller and a control cable, the current controller is connected with the electromagnetic coil and the rotational speed torque measuring device through the control cable, and the current controller controls the current in the electromagnetic coil to control the damping, The current controller realizes the precise control of the damping through the measurement information of the rotational speed torque measuring instrument. 2 . The electromagnetic variable damping controller according to claim 1 , wherein the control terminal further comprises a host computer, the current controller is provided with a host computer interface, and the current controller passes through the host computer. 3 . The interface is connected with the upper computer. 3 . The electromagnetic variable damping controller according to claim 1 , wherein the control cable comprises a power line and a signal line. 4 . 4 . The electromagnetic variable damping controller according to claim 1 , wherein the number of the iron cores and the electromagnetic coils is the same and there are several groups. 5 . 5 . The electromagnetic variable damping controller according to claim 1 , wherein the input shaft is connected to the torque input end, and the output shaft is connected to the torque output end. 6 . 6 . The electromagnetic variable damping controller according to claim 1 , wherein the casing and the base are connected by screw connection or nail connection. 7 . 7 . The electromagnetic variable damping controller according to claim 1 , wherein the copper plate and the central shaft are connected by screwing, gluing and welding. 8 . 8 . The electromagnetic variable damping controller according to claim 1 , wherein the input shaft, the central shaft and the output shaft can be integrally connected. 9 .

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