High-precision angle transmission device
By designing a high-precision angle transmission device, using the transmission mechanism and resistance measurement technology made of silver-palladium alloy, the accuracy deviation problem of angle sensors under ambient temperature changes is solved, and higher accuracy and reliability are achieved, satisfying high-end cars Industry accuracy requirements.
Patent Information
- Application Number
- CN202420982893.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing angle sensors have large accuracy deviations under ambient temperature changes, making it difficult to meet the strict requirements of the high-end automotive industry for accuracy and repeatability measurement capabilities.
A high-precision angle transmission device is designed, including a housing, a main control detector, an arc angle control panel and a stroke sliding pointer. It uses a transmission mechanism and a silver-palladium alloy material to calculate the stroke angle value through resistance measurement, avoiding the magnetic sensor's Reduction of accuracy issues.
Improve the accuracy and reliability of angle sensors, achieve fast response and real-time feedback, extend the life of the equipment, simplify the operation process, and improve system efficiency and accuracy.
Smart Images

Figure CN222298724U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of angle sensors, in particular to a high-precision angle transmission device. Background Art
[0002] In the modern automotive industry, angle sensors play a vital role, especially in achieving precise control and monitoring of the motion status of various parts of the car. These sensors are widely used in power steering systems, seat adjustment, steering wheel position detection, and in-vehicle entertainment systems. However, existing angle sensors usually rely on magnetic field strength to generate signals, and the magnetic field strength of the magnet is easily affected by changes in ambient temperature, resulting in deviations in the measured values, thereby affecting the accuracy of the sensor.
[0003] In addition, as users' requirements for the in-vehicle entertainment system experience increase, higher requirements are placed on the accuracy and repeatability of angle sensors. In the current automotive industry, especially in high-end indicators, traditional angle sensors have been unable to meet the increasingly stringent accuracy requirements. It can be seen that the existing technology still needs to be improved and enhanced. Utility Model Content
[0004] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a high-precision angle transmission device for solving the problems of inaccurate values and low precision of angle sensors in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-precision angle transmission device, including a shell, a main control detector, an arc angle control plate and a travel sliding pointer, the travel sliding pointer is rotatably arranged in the shell, the arc angle control plate is located at the rotation track of the active end of the travel sliding pointer and is fixed in the shell, and the main control detector is connected with the travel sliding pointer signal.
[0006] In one embodiment of the present invention, a transmission mechanism is further included, wherein the transmission mechanism includes a worm gear and a turbine in transmission connection, and the travel sliding pointer is fixedly connected to the turbine.
[0007] The beneficial effect of the above embodiment is that the fixed connection between the travel sliding pointer and the turbine ensures the accurate response and position feedback of the pointer, further improving the repeatability and reliability of the device.
[0008] In an embodiment of the present invention, the transmission mechanism further includes a stepping motor, and the output end of the stepping motor is threadedly connected to the worm gear.
[0009] The beneficial effect of the above embodiment is that the stepper motor is part of the transmission mechanism, and its output end is threadedly connected to the worm, so that the angle adjustment can be automated and fine-tuned, which not only improves the accuracy of the adjustment process, but also simplifies the operation process and improves the working efficiency of the entire system.
[0010] In an embodiment of the present invention, the travel sliding pointer is made of silver-palladium alloy.
[0011] The beneficial effects of the above embodiment are: the silver-palladium alloy material has good wear resistance and corrosion resistance, can maintain long-term stability and reliability, thereby extending the service life of the device
[0012] In an embodiment of the present invention, the arc angle control plate is made of ceramic or silver-palladium alloy.
[0013] The beneficial effects of the above embodiments are as follows: the arc-shaped angle control plate is conducive to maintaining long-term accuracy without being affected by environmental factors, and is also easy to maintain and clean, thereby ensuring the long-term performance of the entire device.
[0014] As described above, the high-precision angle transmission device of the utility model has the following beneficial effects: the travel sliding pointer rotatably arranged inside the shell and the signal connection with the main control detector can achieve fast response and provide real-time angle readings, simplify the system complexity, and provide instant feedback in time; the travel sliding pointer and the arc angle control plate use resistance measurement to calculate the travel angle value to ensure very high accuracy, and avoid the problem of reduced accuracy of traditional magnetic angle sensors due to the influence of ambient temperature, thereby improving the reliability and accuracy of angle switch signal control. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 This is a schematic structural diagram of the high-precision angle transmission device provided by the utility model.
[0017] Component number description
[0018] 1 Main control detector 4 Turbine
[0019] 2 Arc angle control board 5 Turbo
[0020] 3 Travel slide pointer 6 Stepper motor DETAILED DESCRIPTION
[0021] The utility model provides a high-precision angle transmission device. In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and embodiments.
[0022] In the description of the present invention, it should be understood that the terms "up, down, left, right, etc." indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and should not be understood as limiting the present invention; in addition, the terms "installation" and "connection" should be understood in a broad sense, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.
[0023] See also Figure 1 The utility model provides a high-precision angle transmission device, which is mainly composed of a housing, a main control detector 1, an arc angle control board 2, a stroke sliding pointer 3, and a transmission mechanism including a worm gear 5 and a turbine 4. Specifically, the arc angle control board 2 cooperates with the stroke sliding pointer 3 to generate an angle stroke resistance signal for detection by the detection circuit; in detail, the main control detector 1 includes a detection circuit, which is used to receive the measurement data of the stroke sliding pointer 3, and analyze and calculate it, so as to obtain the angle value of the switch control system stroke.
[0024] In this device, the interior of the shell is designed to rotatably support the travel sliding pointer 3, and the movable end of the travel sliding pointer 3 moves along the fixed arc angle control plate 2, ensuring that the travel sliding pointer 3 moves stably along a predetermined trajectory, and the main control detector 1 monitors the position change of the travel sliding pointer 3 in real time by connecting with the signal of the travel sliding pointer 3.
[0025] In order to achieve higher precision angle adjustment, an embodiment of the high-precision angle transmission device also includes a transmission mechanism composed of the stepper motor 6, the output end of the stepper motor 6 is threadedly connected to the worm gear 5, and the worm gear 5 is further connected to the turbine 4, and finally the power is transmitted to the travel sliding pointer 3 fixedly connected to the turbine 4. It can be understood that the ability of the stepper motor 6 to accurately control the rotation angle is utilized, so that the response of the entire system is more accurate, and the operation is simpler and more efficient.
[0026] In terms of material selection, the travel sliding pointer 3 is made of silver-palladium alloy, which mainly utilizes the excellent wear resistance and corrosion resistance of silver-palladium alloy, which helps to improve the stability and life of the device. Similarly, the arc angle control plate 2 is also made of durable ceramic or silver-palladium alloy material to maintain long-term accuracy and simplify maintenance work.
[0027] In summary, the high-precision angle transmission device of the utility model, the travel sliding pointer 3 rotatably arranged inside the shell and the signal connection with the main control detector 1 can achieve fast response and provide real-time angle readings, simplify the system complexity, and provide instant feedback in time; the travel sliding pointer 3 and the arc angle control board 2 use resistance measurement to calculate the travel angle value to ensure very high accuracy, and avoid the problem of reduced accuracy of traditional magnetic angle sensors due to the influence of ambient temperature, thereby improving the reliability and accuracy of angle switch signal control. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.
[0028] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and the utility model concept of the utility model, and all these changes or substitutions should fall within the protection scope of the utility model.
Claims
1. A high-precision angle transmission device, characterized in that: It includes a shell, a main control detector, an arc angle control plate and a travel sliding pointer. The travel sliding pointer is rotatably arranged in the shell. The arc angle control plate is located at the rotation track of the active end of the travel sliding pointer and is fixed in the shell. The main control detector is connected with the travel sliding pointer signal.
2. The high-precision angle transmission device according to claim 1, characterized in that: It also includes a transmission mechanism, which includes a worm gear and a turbine in transmission connection, and the stroke sliding pointer is fixedly connected to the turbine.
3. The high-precision angle transmission device according to claim 2, characterized in that: The transmission mechanism also includes a stepper motor, and the output end of the stepper motor is threadedly connected with the worm.
4. The high-precision angle transmission device according to claim 1, characterized in that: The material of the travel sliding pointer is silver-palladium alloy.
5. The high-precision angle transmission device according to claim 1, characterized in that: The arc angle control plate is made of ceramic or silver-palladium alloy.
