Air damper with opening and closing degree sensor system
By integrating the photoelectric disc sensor and the switching sensor system of the drive motor on the damper, the problem that traditional damper cannot be remotely monitored and data transmission is solved, and the precise adjustment and remote monitoring of the damper opening are achieved, which improves the adjustment efficiency and accuracy.
Patent Information
- Application Number
- CN202422255073.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-14
AI Technical Summary
Traditional damper control doors cannot achieve remote monitoring and data transmission, resulting in complex and inaccurate adjustment of opening and closing degrees.
The switching degree sensor system consisting of a photoelectric disc sensor and a driving motor is used, and the microprocessor system is combined to achieve accurate adjustment of the damper opening, and the data is measured and transmitted to the control system through the angle sensor.
It realizes accurate adjustment of damper opening and remote monitoring, improves the efficiency and accuracy of adjustment, and reduces the complexity of manual verification.
Smart Images
Figure CN223165700U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fans, in particular to a fan silencer. Background Art
[0002] A damper refers to a damper used in an industrial control system or a mechanical device. The angle of the traditional damper switch can only be observed by the position of the pointer with the naked eye, and it cannot be remotely monitored, and the rationality of the opening and closing degree cannot be judged through data. Each time of opening and closing requires repeated verification through the previous data, and the complexity is high.
[0003] In order to achieve precise control of the opening and closing degree of the damper, it is necessary to solve the problems of remote monitoring and repeated calibration, and transmit the data to the control system, so as to achieve precise and convenient adjustment of the damper opening. Summary of the Utility Model
[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. In this part, the specification abstract and the name of the utility model of this application, some simplifications or omissions may be made to avoid obscuring the purpose of this part, the specification abstract and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the problems existing in the above-mentioned prior art, the utility model is proposed.
[0006] To solve the above technical problems, the utility model provides the following technical solutions;
[0007] A damper with a switch degree sensor system includes a door frame installed at the air outlet, a door leaf installed in the door frame, a driving mechanism for driving the door leaf to rotate, and a control system for controlling the driving mechanism. The control system adopts a microprocessor system;
[0008] The driving mechanism is provided with a rotating shaft for driving the door leaf to rotate, and the rotating shaft penetrates out from the side wall of the door frame;
[0009] An angle sensor is arranged on the rotating shaft;
[0010] The angle sensor adopts an optoelectronic code disk type sensor;
[0011] The code disk of the optoelectronic code disk type sensor is linked with the rotating shaft, and the optoelectronic code disk type sensor is fixed on the side wall of the door frame;
[0012] The signal output end of the optoelectronic code disk type sensor is connected to the signal input end of the control system;
[0013] The drive mechanism is provided with a drive motor that drives the rotation of the rotating shaft. The drive motor is provided with a brake, and the control signal input end of the brake is connected to the control signal output end of the control system.
[0014] In the above design, first, by setting an angle sensor, the angle sensor can measure the rotation angle of the rotating shaft when the rotating shaft rotates, which is convenient for remote monitoring and door leaf adjustment, and transmits the data to the control system, thereby realizing precise and convenient adjustment of the air door opening; secondly, the angle sensor adopts an optoelectronic code disk sensor, which has obvious advantages over general angle sensors in terms of accuracy, anti-interference ability, response speed, maintenance cost, etc., so as to accurately and conveniently adjust the air door opening; the drive motor is provided with a brake to enable the door leaf to stop quickly, which can improve the response speed of the door leaf.
[0015] Preferably, it is provided with a rotation angle indicator. The rotation angle indicator has a scale disk and a pointer. The scale disk is fixed on the side wall of the door frame, and the pointer is connected to the rotating shaft. The pointer on the rotating shaft points to the scale disk on the door frame; the optoelectronic code disk sensor can be calibrated through the scale disk and the pointer, so that the optoelectronic code disk sensor can still maintain high precision during long-term use.
[0016] Preferably, an arc groove is provided on the scale disk, and the axis of the arc groove coincides with the rotation axis of the rotating shaft; a laterally extending extension shaft is connected to the rotating shaft, and a slider that slides in the arc groove is provided on the extension shaft; by providing the arc groove, when the slider slides in the arc groove, the arc groove is the rotation range of the door leaf, preventing the previous calibration from being invalidated when the air door over-rotates, and ensuring that the angle value output by the optoelectronic code disk sensor is always accurate.
[0017] Preferably, an electromagnetic lock for locking the rotating shaft is provided on the door frame, and the control signal input end of the electromagnetic lock is connected to the control signal output end of the control system; the control system can accurately control the opening angle of the opened door leaf, and the door leaf will not be blown and rotated after stopping, improving the stability of the door leaf.
[0018] Preferably, a raised edge strip is provided on the edge of the door leaf; the edge strip can ensure the stability of the door leaf when it is blown by the wind, reduce the shaking of the door leaf, and ensure the stability of the data of the optoelectronic code disk sensor.
[0019] Preferably, the edge strip is an edge strip made of polytetrafluoroethylene; polytetrafluoroethylene can improve the sealing performance between the closed door leaf and the door frame.
[0020] Preferably, rib strips for stabilizing the door leaf are arranged on the door leaf; the rib strips can further improve the stability of the door leaf.
[0021] Preferably, the door leaf is provided with at least 4 bolts connected to the rotating shaft; using bolt connection can reduce the cost of complex welding or riveting processes. Bolt connection can adapt to door leaf designs of different sizes and shapes, providing greater design flexibility.
[0022] Preferably, the drive mechanism adopts a gear mechanism as the drive mechanism for rotating the rotating shaft; the gear mechanism operates stably and reliably. The meshing of the gears can provide precise motion control, reducing clearance and backlash, thereby improving the measurement accuracy of the system. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:
[0024] Figure 1 It is a schematic structural diagram of the side of a switch degree sensor system provided by an embodiment of the present invention;
[0025] Figure 2 It is a schematic structural diagram of the front of a switch degree sensor system provided by an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0026] To make the above objects, features, and advantages of the present invention more comprehensible, the following will provide a detailed description of the specific embodiments of the present invention in conjunction with the drawings of the specification.
[0027] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.
[0028] Secondly, the present invention will be described in detail in conjunction with the schematic diagrams. When detailing the embodiments of the present invention, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.
[0029] Next, the so-called "one embodiment" or "embodiment" herein refers to specific features, structures or characteristics that may be included in less than one implementation manner of the present utility model. The "in one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it an embodiment that is separate or selectively mutually exclusive with other embodiments.
[0030] Embodiment 1
[0031] Referring to Figure 1 and Figure 2 , a damper with a switch degree sensor system includes a door frame 1 installed at the air outlet, a door leaf 2 installed in the door frame 1, a driving mechanism 3 for driving the door leaf 2 to rotate, and a control system for controlling the driving mechanism 3.
[0032] The driving mechanism 3 is provided with a rotating shaft 31 for driving the door leaf 2 to rotate, and the rotating shaft 31 penetrates out from the side wall of the door frame 1; an angle sensor is provided on the rotating shaft 31; the angle sensor adopts an optical encoder disk type sensor 4; the encoder disk of the optical encoder disk type sensor 4 is linked with the rotating shaft 31, and the optical encoder disk type sensor 4 is fixed on the side wall of the door frame 1; the signal output end of the optical encoder disk type sensor 4 is connected to the signal input end of the control system; the driving mechanism is provided with a driving motor for driving the rotating shaft 31 to rotate, the driving motor is provided with a brake, and the control signal input end of the brake is connected to the control signal output end of the control system; firstly, by setting the angle sensor, the angle sensor can measure the rotation angle of the rotating shaft 31 when the rotating shaft 31 rotates, which is convenient for remote monitoring of the door leaf 2 calibration and transmits data to the control system, so as to realize precise and convenient adjustment of the damper opening; secondly, the angle sensor adopts an optical encoder disk type sensor 4, and the optical encoder disk type sensor 4 has obvious advantages in terms of accuracy, anti-interference ability, response speed, maintenance cost, etc. compared with general angle sensors, so as to be able to precisely and conveniently adjust the damper opening. The model of the optical encoder disk type sensor 4 is Omron E6B2-C, and the model of the control system is a microprocessor system of Siemens S7-1200; the driving motor is provided with a brake so that the door leaf 2 can stop quickly, which can improve the response speed of the door leaf 2.
[0033] It has a rotation angle indicating table, and the rotation angle indicating table has a scale disk 5 and a pointer 32. The scale disk 5 is fixed on the side wall of the door frame 1, the pointer 32 is connected to the rotating shaft 31, and the pointer 32 on the rotating shaft 31 points to the scale disk 5 on the door frame 1; the optical encoder disk sensor 4 can be calibrated through the scale disk 5 and the pointer 1, so that the optical encoder disk sensor 4 can still maintain high precision during long-term use.
[0034] An arc groove 51 is provided on the dial 5, and the axis of the arc groove 51 coincides with the axis of the rotation shaft 31 of the rotating shaft 31; a laterally extending extension shaft 33 is connected to the rotating shaft 31, and a slider 34 that slides in the arc groove 51 is provided on the extension shaft 33; by providing the arc groove 51, when the slider 34 slides in the arc groove 51, the arc groove 51 is the rotation range of the door leaf 2, preventing the previous calibration from failing when the air door rotates too much, and ensuring that the angle value output by the optoelectronic code disk sensor is always accurate.
[0035] During use, when adjusting the air door, the control system controls the driving mechanism 3 to drive the rotating shaft 31 to rotate, the rotating shaft 31 drives the door leaf 2 to rotate to open or close the door leaf 2, and the code disk of the optoelectronic code disk type sensor 4 rotates when the rotating shaft 31 rotates. The measured angular displacement is converted into an electrical signal represented in the form of a digital code, and then the signal is transmitted to the control system. The control system judges the rationality of the opening degree of the door leaf 2 through the signal data of the optoelectronic code disk type sensor 4. The optoelectronic code disk type sensor 4 easily realizes the problems of remote monitoring and repeated calibration, thereby realizing the precise and convenient adjustment of the opening degree of the air door; the dial 5 and the pointer 32 can calibrate the optoelectronic code disk sensor to maintain its high precision. The sliding range of the slider 34 in the arc groove 51 is set as the rotation range of the air door to prevent the air door from rotating too much; when the door leaf 2 rotates to a preset angle, the control system controls the driving motor to stop rotating. The control signal input end of the brake receives the signal from the control signal output end of the control system, and locks the motor to prevent the rotating shaft 31 from continuing to rotate.
[0036] Embodiment 2
[0037] Referring to Figure 1 , this is the second embodiment of the present invention, and this embodiment is based on the previous embodiment.
[0038] An electromagnetic lock for locking the rotating shaft 31 is provided on the door frame 1, and the control signal input end of the electromagnetic lock is connected to the control signal output end of the control system; so that the control system can accurately control the opening angle of the opened door leaf 2, and the control system can accurately control the opening angle of the opened door leaf 2. After the door leaf stops, it will not be blown by the wind and rotate, improving the stability of the door leaf 2.
[0039] A raised side strip is provided on the edge of the door leaf 2; the side strip ensures the stability of the door leaf 2 when it is blown by the wind, reduces the shaking of the door leaf 2, and ensures the stability of the data of the optoelectronic code disk type sensor 4.
[0040] The side strip is made of polytetrafluoroethylene; polytetrafluoroethylene can improve the sealing performance between the closed door leaf 2 and the door frame 1.
[0041] The door leaf 2 is arranged with ribbed strips for stabilizing the door leaf 2; the ribbed strips can further improve the stability of the door leaf 2.
[0042] The door leaf 2 is provided with at least 4 bolts connected to the rotating shaft 31; using bolt connection can reduce the cost of complex welding or riveting processes. Bolt connection can adapt to the design of door leaf 2 with different sizes and shapes, providing greater design flexibility.
[0043] The drive mechanism 3 adopts a gear mechanism as the drive mechanism 3 for driving the rotation of the rotating shaft 31; the gear mechanism operates stably and reliably. The meshing of the gears can provide precise motion control, reducing clearance and backlash, thereby improving the measurement accuracy of the system.
[0044] During use, when installing the door leaf 2, fix the door leaf 2 to the rotating shaft 31 with 4 bolts. Ensure the stability of the door leaf 2 when it is blown by the wind through the side strips and rib strips, and improve the sealing performance between the closed door leaf 2 and the door frame 1. The rib strips can further improve the stability of the door leaf 2. When the drive mechanism 3 drives the rotation of the rotating shaft 31, the gear mechanism operates stably and reliably. The meshing of the gears can provide precise motion control. When the rotating shaft 31 stops rotating, it is locked by an electromagnetic lock, and the electromagnetic lock is opened when it rotates. The control system can accurately control the opening angle of the opened door leaf 2. After the door leaf stops, it will not be blown and rotated by the wind, improving the stability of the door leaf 2.
[0045] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without substantially departing from the novel aspects and advantages of the subject matter described in this application. For example, the dimensions, scales, structures, shapes, and proportions of various elements, as well as parameter values (e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc. For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature, number, or position of discrete elements can be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structure that performs the function described herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0046] In addition, to provide a concise description of exemplary embodiments, all features of the actual embodiments that are not relevant to the currently contemplated best mode of carrying out the present utility model, or those that are not relevant to the implementation of the present utility model, may not be described.
[0047] It should be understood that, in the development of any actual implementation, as in any engineering or design project, numerous specific implementation decisions may be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without undue experimentation, the development efforts will be a routine task of design, fabrication, and production.
[0048] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.
Claims
1. A throttle valve with a switch degree sensor system, comprising a door frame installed at the air outlet, a door leaf installed in the door frame, a driving mechanism for driving the door leaf to rotate, and further comprising a control system for controlling the driving mechanism. The control system adopts a microprocessor system, and is characterized in that: The driving mechanism is provided with a rotating shaft for driving the door leaf to rotate, and the rotating shaft penetrates out from the side wall of the door frame; An angle sensor is arranged on the rotating shaft; The angle sensor adopts an optoelectronic code disk type sensor; The code disk of the optoelectronic code disk type sensor is linked with the rotating shaft, and the optoelectronic code disk type sensor is fixed on the side wall of the door frame; The signal output end of the optoelectronic code disk type sensor is connected to the signal input end of the control system; The driving mechanism is provided with a driving motor for driving the rotating shaft to rotate. The driving motor is provided with a brake, and the control signal input end of the brake is connected to the control signal output end of the control system.
2. The air damper with a switch degree sensor system according to claim 1, characterized in that: There is a rotation angle indicating table, which has a scale disk and a pointer. The scale disk is fixed on the side wall of the door frame, the pointer is connected to the rotating shaft, and the pointer on the rotating shaft points to the scale disk on the door frame.
3. The air damper with a switch degree sensor system according to claim 2, characterized in that: An arc groove is arranged on the scale disk, and the axis of the arc groove coincides with the rotation axis of the rotating shaft; A laterally extending extension shaft is connected to the rotating shaft, and a slider sliding in the arc groove is arranged on the extension shaft.
4. The air damper with a switch degree sensor system according to claim 1, characterized in that: An electromagnetic lock for locking the rotating shaft is arranged on the door frame, and the control signal input end of the electromagnetic lock is connected to the control signal output end of the control system.
5. The air damper with a switch degree sensor system according to claim 1, characterized in that: A raised edge strip is arranged on the edge of the door leaf.
6. The air damper with a switch degree sensor system according to claim 1, characterized in that: Rib strips for stabilizing the door leaf are arranged on the door leaf in an array.
7. The air damper with a switch degree sensor system according to claim 1, characterized in that: The door leaf is provided with at least 4 bolts connected to the rotating shaft.
8. The air damper with a switch degree sensor system according to claim 1, characterized in that: The driving mechanism adopts a gear mechanism as the driving mechanism for driving the rotating shaft to rotate.