Release device, brake and release control system
By introducing a displacement mechanism of an electric push rod or piezoelectric displacement table into the brake and a wireless communication control system, the problems of difficult and low safety of the handle in the prior art are solved, and an automated, safe and efficient release function is achieved.
Patent Information
- Application Number
- CN202420816158.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The release handle of existing brakes results in increased equipment size, difficulty in operation and low safety, especially in large-sized devices where external force drives the handle to switch positions.
Design a release device, including a displacement mechanism, a release power supply and a controller, which drives the armature movement through an electric push rod or piezoelectric displacement table. The controller controls the release switch through wireless communication and receives instructions to achieve automatic operation to avoid the handle being exposed to the outside. .
It realizes the release function without external force operation, high safety and long service life, avoids the increase in equipment size and the risk of accidentally touching, and simplifies the operation process.
Smart Images
Figure CN222315746U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of brakes, and in particular relates to a release device, a brake and a release control system. Background Art
[0002] The brake includes a friction disc, an armature, an excitation coil, a stator, an elastic member, a tail plate, a release handle and other devices, wherein the release handle can pull the armature to make the armature contact or space the friction disc. When the excitation coil is not energized, the armature contacts the friction disc under the action of the elastic member, and the brake is in a braking state; when the excitation coil is energized, the armature is attracted to the stator, thereby being spaced from the friction disc, and the brake is in a released state. In order to facilitate the release of the brake when a power outage occurs or the equipment needs maintenance, a release handle is usually configured on the brake. The working principle of the release handle is: the handle is driven by an external force to drive the handle to switch between the initial position and the trigger position. When the handle is in the initial position, the handle has no effect on the armature; when the handle is in the trigger position, the handle pulls the armature to space the armature from the friction disc.
[0003] The above structure has the following disadvantages:
[0004] (1) The need to install a release handle outside the brake makes the overall size of the brake larger;
[0005] (2) The handle needs to be forced to switch positions, so part of the handle needs to be exposed, making it difficult to protect the brake. In addition, the exposed handle part is prone to accidental touch, which reduces safety.
[0006] (3) It is difficult to switch the position of the handle by external force, especially in the application of large-size brakes, which requires the use of other pressure equipment to drive the handle. Utility Model Content
[0007] The embodiments of the utility model provide a release device, a brake and a release control system, aiming to solve the technical problems that the existing brake installation handle is large in size, inconvenient to operate and has low safety.
[0008] In a first aspect, an embodiment of the utility model provides a release device, comprising:
[0009] A displacement mechanism is installed on the brake, wherein the displacement mechanism has a telescopic end facing the armature in the brake, and the telescopic end is used to push the armature to move toward the stator;
[0010] A release power source is electrically connected to the displacement mechanism, and the release power source is used to provide power to the displacement mechanism to drive the telescopic end to move;
[0011] The controller includes a release switch and a control module, wherein the input end and the output end of the release switch are respectively connected to the release power supply and the displacement mechanism, and the control module is connected to the controlled end of the release switch, and the control module is used to control the closing and opening of the release switch.
[0012] In combination with the first aspect, in a possible implementation manner, the displacement mechanism is an electric push rod or a piezoelectric displacement stage.
[0013] In combination with the first aspect, in a possible implementation, the release device further includes an instruction receiving module, the instruction receiving module includes a wireless communication unit, and the wireless communication unit is used to receive instructions issued by a remote device and send the instructions to the control module.
[0014] In combination with the first aspect, in a possible implementation manner, the wireless communication unit is configured as a WIFI communication unit, a Bluetooth communication unit, an NFC communication unit, or an infrared communication unit.
[0015] In combination with the first aspect, in a possible implementation manner, the released power source is a mobile power source.
[0016] Compared with the prior art, the solution shown in the embodiment of the present application is that in the case of coil failure, the release device of the utility model can push the armature away from the friction disk through the displacement mechanism. Compared with the traditional handle, the displacement mechanism of the present application is arranged between the tail plate and the armature, and there is no need to increase the total volume of the brake, and no accidental touch will occur. It can be retracted and used multiple times, has a long service life, and does not need frequent replacement; and the retractable end on the displacement mechanism can be controlled by a release switch, without the need for manual external force operation, and is easy to operate. Compared with the traditional handle that is partially exposed on the periphery of the brake, it is also safer.
[0017] In a second aspect, an embodiment of the utility model further provides a brake, comprising the above-mentioned release device.
[0018] In combination with the second aspect, in a possible implementation manner, a plurality of the displacement mechanisms are provided, and the plurality of the displacement mechanisms are connected in series or in parallel.
[0019] In combination with the second aspect, in a possible implementation, the brake includes a stator, an armature provided at one axial end of the stator, a tail plate spaced apart from the armature on a side away from the stator, and a friction plate between the armature and the tail plate, and the displacement mechanism is fixed to a side of the tail plate close to the clutch plate and is located on an outer ring of the friction plate.
[0020] In combination with the second aspect, in a possible implementation, the brake includes a coil, and the coil is connected in parallel with the displacement mechanism and is controlled simultaneously by the release switch.
[0021] In a third aspect, the embodiment of the utility model further provides a release control system, comprising the above-mentioned release device, and a plurality of brakes, wherein the release device has a plurality of displacement mechanisms and a plurality of release switches, the brake corresponds to at least one displacement mechanism, the displacement mechanism on each brake is connected in series with a release switch, and a plurality of displacement mechanisms share a controller and a release power supply, the release switch is configured as a switch tube, the controller is configured as a PLC control system, and the PLC control system is connected to a controlled end of each switch tube;
[0022] The PLC control system is used to respond to the received command signal for releasing or braking the brake, obtain the code of the switch tube to be closed or opened corresponding to the command signal, and control the designated switch tube to be closed or opened.
[0023] Compared with the prior art, the solution shown in the embodiment of the present application is that a mobile power source can be divided into multiple branches, each brake corresponds to two branches, the two branches on the same brake are respectively connected to the coil and the displacement mechanism, and multiple brakes are powered simultaneously by one mobile power source, and the control states of different brakes can be controlled separately according to separate release switches, that is, the working states of different brakes can be the same or different, thereby realizing batch management of brakes. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A schematic diagram of the front structure of the brake provided by an embodiment of the utility model;
[0025] Figure 2 A schematic diagram of the main structure of a release control system provided by an embodiment of the utility model;
[0026] Figure 3 A control schematic diagram of a release controller system provided in an embodiment of the utility model.
[0027] Description of reference numerals:
[0028] 10-brake; 11-stator; 12-armature; 13-coil; 14-tail plate; 15-friction disc;
[0029] 20-displacement mechanism;
[0030] 30-Release power;
[0031] 40-controller; 41-release switch; 42-control module; 43-indicator unit; 44-controller housing; 46-instruction receiving module;
[0032] 50 - Remote device. DETAILED DESCRIPTION
[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0034] In order to facilitate understanding of the positional relationship between the release device and the brake 10, the structure of the brake 10 is taken as an example here: the brake 10 includes a stator 11, an armature 12 arranged at one axial end of the stator 11, a coil 13 arranged inside the stator 11 on the side facing the armature 12, a tail plate 14 located at the side of the armature 12 away from the stator 11, and a friction plate 15 between the armature 12 and the tail plate 14, the friction plate 15 is used to be connected to the transmission shaft, and the coil 13 is connected to the release power supply 30.
[0035] Please also read Figure 1 to Figure 2 Now, the release device provided by the utility model is described. The release device is applied to the brake, and includes a displacement mechanism 20, a release power supply 30 and a controller 40. The displacement mechanism 20 is installed on the brake 10, and the displacement mechanism 20 has a telescopic end facing the armature 12 in the brake 10, and the telescopic end is used to push the armature 12 to move toward the stator 11; the release power supply 30 is electrically connected to the displacement mechanism 20, and the release power supply 30 is used to provide power to the displacement mechanism 20 so as to drive the telescopic end to move; the controller 40 includes a release switch 41 and a control module 42, and the input end and the output end of the release switch 41 are respectively connected to the release power supply 30 and the displacement mechanism 20; the control module 42 is connected to the controlled end of the release switch 41, and the control module 42 is used to control the closing and opening of the release switch 41.
[0036] It should be noted that, when the thrust of the displacement mechanism 20 itself is sufficient, only one displacement mechanism 20 may be provided; similarly, multiple displacement mechanisms 20 may be provided, and the multiple displacement mechanisms 20 are evenly distributed along the circumference of the armature 12, which can not only avoid the armature 12 from tilting when released, but also provide greater thrust.
[0037] Compared with the prior art, the release device provided in this embodiment is installed on the brake 10. When the coil 13 on the brake 10 fails, the controller 40 controls the release switch 41 to close. After the release switch 41 is closed, the release power supply 30 is electrically connected with the displacement mechanism 20, and the telescopic end on the displacement mechanism 20 pushes the armature 12 to move toward the stator 11. During the movement of the armature 12, the armature 12 moves away from the friction disk 15, and the friction disk 15 can rotate freely to realize the release process. In the case of failure of the coil 13 of the release device of the utility model, the armature 12 can be pushed away from the friction disk 15 by the displacement mechanism 20. Compared with the traditional handle, the displacement mechanism 20 of the present application is arranged between the tail plate 14 and the armature 12, and the total thickness and volume of the brake 10 do not need to be increased, and no false touch will occur. It can be retracted and used multiple times, has a long service life, and does not need to be frequently replaced; and the telescopic end on the displacement mechanism 20 can be controlled by the release switch 41, without manual external force operation, and is easy to operate. Compared with the traditional handle part exposed on the periphery of the brake 10, it is also safer.
[0038] As a specific implementation of the release power source 30, the release power source 30 is a mobile power source. Compared with the release power source 30 being a mains power source, the mobile power source will not be affected by a power outage in the factory. In the case of a power outage in the factory, the mobile power source can also normally release the brake 10, and is applicable to more usage scenarios.
[0039] In some embodiments, a specific implementation of the displacement mechanism 20 can be as follows: Figure 1 to Figure 2 See the structure shown. Figure 1 to Figure 2 , the displacement mechanism 20 is an electric push rod or a piezoelectric displacement stage.
[0040] When the displacement mechanism 20 is an electric push rod, when the release switch 41 is closed, the electric push rod is energized, and the push rod on the electric push rod extends out to abut against the armature 12, so that the armature 12 moves closer to the stator 11 and releases the friction disk 15; when the electric push rod is de-energized, the push rod of the electric push rod retracts to maintain a certain distance between it and the armature 12.
[0041] When the displacement mechanism 20 is a piezoelectric displacement stage, precise displacement control can be achieved through the piezoelectric effect. Since the displacement of the armature 12 is relatively small during the actual release, this structure can achieve more precise displacement control of the armature 12 .
[0042] The service life of a traditional release handle is short. After a certain number of switching times, it will be damaged and fail, eventually resulting in an inability to release. Frequent replacement increases the cost of use. By setting the displacement mechanism 20 as an electric push rod or a piezoelectric displacement table, the service life can be extended and the replacement frequency can be reduced, thereby reducing the cost of use.
[0043] In some embodiments, an improved implementation of the above release device can be adopted as follows Figure 1 to Figure 2 See the structure shown. Figure 1 to Figure 2 The release device further includes an instruction receiving module 46, which includes a wireless communication unit for receiving instructions from a remote device 50 and sending the instructions to the control module 42. The remote device 50 may be a computer, a mobile phone, a remote control, etc. The remote device 50 may observe the working state of the brake 10 and issue instructions to the controller 40.
[0044] When the remote device 50 issues a command, the wireless communication unit receives the command and sends the command to the control module 42. The control module 42 receives the command and controls the release switch 41 to close or open. The release switch 41 can be remotely controlled, which is convenient for the staff to operate.
[0045] Specifically, the wireless communication unit is a WIFI communication unit, a Bluetooth communication unit, an NFC communication unit or an infrared communication unit.
[0046] In the release device of the embodiment of the present application, the controller 40 further includes a controller housing 44 , wherein the release switch 41 and the instruction receiving module 46 are integrated in the controller 40 and are communicatively connected with the control module 42 .
[0047] Based on the same inventive concept, the embodiment of the present application also provides a brake 10, including the above-mentioned release device. In specific implementation, the controller 40 in the release device can be installed on the housing 11 of the brake 10, such as the side or bottom of the housing 11; the displacement mechanism 20 can be fixed to the side of the tail plate 14 close to the friction disk 15, and is located on the outer ring of the friction disk 15. It is easy to think that in order not to affect the rotation process of the friction disk 15, the displacement mechanism 20 and the outer peripheral surface of the friction disk 15 are spaced apart.
[0048] In this embodiment, the displacement mechanism 20 is disposed between the armature 12 and the tail plate 14 , and compared with a conventional release handle, the overall thickness of the brake is not increased.
[0049] As an improved implementation, the brake 10 includes a coil 13 , which is connected in parallel with the displacement mechanism 20 and is controlled simultaneously by a release switch 41 .
[0050] The coil 13 and the displacement mechanism 20 in the same brake 10 can be connected in parallel to the output end of the same release switch 41 , and the power-on or power-off state is controlled by the same release switch 41 . The input end of the release switch 41 is connected to the release power supply 30 .
[0051] When the brake 10 is working normally, the coil 13 is energized, the armature 12 is attracted to the stator 11, and is spaced from the friction disk 15. The friction disk 15 rotates with the drive shaft on the motor. When braking is needed, the coil 13 is de-energized, and the armature 12 abuts against the friction disk 15 to achieve braking. When the power is off, the brake 10 cannot be released. The release device is used to close the release switch 41, and the coil 13 is powered by the release power supply 30. The coil 13 is energized or de-energized to achieve the attraction and release of the stator 11 to the armature 12. When the stator 11 attracts the armature 12, the armature 12 releases the friction disk 15 to achieve release. When the coil 13 fails, the release power supply 30 can still energize the displacement mechanism 20, and the telescopic end on the displacement mechanism 20 extends to push the armature 12 closer to the stator 11, and the armature 12 moves away from the friction disk 15 to achieve the release process.
[0052] Optionally, the release switch 41 may be a switch tube, a relay, a contactor, or a thyristor.
[0053] Based on the same inventive concept, an embodiment of the present application also provides a release control system, including the above-mentioned release device, and multiple brakes 10, the release device has multiple displacement mechanisms 20 and multiple release switches 41, the brake 10 corresponds to at least one displacement mechanism 20, the displacement mechanism 20 on each brake 10 is connected in series with a release switch 41, and multiple displacement mechanisms 20 share a controller 40 and a release power supply 30, the release switch 41 is set as a switch tube, the controller 40 is set as a PLC control system, and the PLC control system is connected to the controlled end of each switch tube; wherein the PLC control system is used to respond to the received command to release or control the brake 10, obtain the code of the switch tube to be closed or opened corresponding to the command signal, and control the specified switch tube to be closed or opened.
[0054] In a specific implementation, one displacement mechanism 20 or multiple displacement mechanisms 20 may be provided in one brake 10. When multiple displacement mechanisms 20 are provided in one brake 10, the multiple displacement mechanisms 20 may be connected in series or in parallel. One release switch 41 controls multiple displacement mechanisms 20 in the same brake 10.
[0055] It is easy to understand that the communication receiving modules 50 of multiple brakes 10 can also share one.
[0056] Traditionally, only one release handle can be configured for one brake 10, and one release handle cannot realize the synchronous release of multiple brakes 10. Compared with the prior art, the release control system provided in this embodiment has a release power supply 30 that can be divided into multiple branches, each brake 10 corresponds to two branches, and the two branches on the same brake 10 are respectively connected to the coil 13 and the displacement mechanism 20. Multiple brakes 10 are powered simultaneously by one release power supply 30, and the control states of different brakes 10 can be controlled separately according to separate release switches 41, that is, the working states of different brakes 10 can be the same or different, so as to realize batch management of brakes 10.
[0057] In some embodiments, an improved implementation of the above release control system can be implemented as follows: Figures 2 to 3 See the structure shown. Figures 2 to 3 The release control system further includes a plurality of indicating units 43, and each release switch 41 is serially connected with an indicating unit 43. The indicating unit 43 enables the braking state of each brake 10 to be directly observed, so that the user can understand the braking state of the brake 10 conveniently, and the safety is higher.
[0058] Optionally, the indicating unit 43 is an indicator light, a sound broadcasting device, etc. The on / off state of the release switch 41 can be observed by whether the indicator light is emitting light; the on / off state of the release switch 41 can be directly broadcasted by the sound broadcasting device.
[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A release device, applied to a brake, characterized in that: include: A displacement mechanism is installed on the brake, wherein the displacement mechanism has a telescopic end facing the armature in the brake, and the telescopic end is used to push the armature to move toward the stator; A release power source is electrically connected to the displacement mechanism, and the release power source is used to provide power to the displacement mechanism to drive the telescopic end to move; The controller includes a release switch and a control module, wherein the input end and the output end of the release switch are respectively connected to the release power supply and the displacement mechanism, and the control module is connected to the controlled end of the release switch, and the control module is used to control the closing and opening of the release switch.
2. The release device according to claim 1, characterized in that The displacement mechanism is an electric push rod or a piezoelectric displacement stage.
3. The release device according to claim 1, characterized in that: The release device further comprises an instruction receiving module, wherein the instruction receiving module comprises a wireless communication unit, and the wireless communication unit is used for receiving instructions issued by a remote device and sending the instructions to the control module.
4. The release device according to claim 3, characterized in that The wireless communication unit is configured as a WIFI communication unit, a Bluetooth communication unit, an NFC communication unit or an infrared communication unit.
5. The release device according to claim 1, characterized in that: The release power source is a mobile power source.
6. A brake, characterized in that: Comprising a release device as described in any one of claims 1-5.
7. The brake according to claim 6, characterized in that The displacement mechanisms are provided in plurality, and the plurality of displacement mechanisms are connected in series or in parallel.
8. The brake according to claim 6, characterized in that The brake includes a stator, an armature arranged at one axial end of the stator, a tail plate spaced apart from the armature on a side away from the stator, and a friction plate between the armature and the tail plate. The displacement mechanism is fixed to a side of the tail plate close to the friction plate and is located on an outer ring of the friction plate.
9. The brake according to claim 6, characterized in that The brake comprises a coil, which is connected in parallel with the displacement mechanism and is controlled simultaneously by the release switch.
10. A release control system, characterized in that: The release device comprises a release device as claimed in any one of claims 1 to 5, and a plurality of brakes, wherein the release device has a plurality of displacement mechanisms and a plurality of release switches, the brake corresponds to at least one displacement mechanism, the displacement mechanism on each brake is connected in series with a release switch, and a plurality of displacement mechanisms share a controller and a release power supply, the release switch is configured as a switch tube, the controller is configured as a PLC control system, and the PLC control system is connected to a controlled end of each switch tube; The PLC control system is used to respond to the received command signal for releasing or braking the brake, obtain the code of the switch tube to be closed or opened corresponding to the command signal, and control the designated switch tube to be closed or opened.