Device for converting analog quantity into pulse signal
By designing a device including an analog signal input module, a signal processing module, a voltage to pulse module and an optocouple relay, the signal processing module is optimized and the photocouple relay is introduced, the problem of non-linear output of Hall sensors when temperature changes is solved, and the process of efficient and stable conversion of analog quantities into pulsed signals is achieved.
Patent Information
- Application Number
- CN202422345449.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-09-25
AI Technical Summary
In the prior art, the Hall sensor output is not linear when the temperature changes, resulting in poor signal stability during the conversion of analog quantity into pulsed signals, and it is impossible to directly provide stable and efficient pulsed signal transmission.
A device for converting analog quantity into pulsed signals is designed, including an analog signal input module, a signal processing module, a voltage-to-pulse module and an optocoupling relay. By optimizing the design of the signal processing module, the conversion accuracy and speed are improved, and the signal stability and transmission quality are ensured by introducing optocoupling relays.
The accuracy and speed of the conversion of analog quantities into pulsed signals are improved, the stability and transmission quality of the signal are enhanced, and the problem of poor signal stability in the prior art is solved.
Smart Images
Figure CN222814472U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of signal processing devices, in particular to a device for converting analog quantities into pulse signals. Background Art
[0002] In existing electronic technology applications, the conversion between analog quantity and pulse signal is a common requirement. Analog signal is more complicated to process in some occasions due to its continuous changing characteristics. Pulse signal has the advantages of stability and easy processing.
[0003] At present, online particle pinhole detection systems have been widely used in the production process of winding wires. The transmission of metering signals in this system traditionally uses Hall sensors to obtain pulse signals. However, Hall sensors have poor interchangeability, and the signal changes with temperature and has nonlinear output. Due to design reasons, the existing enameled medium-speed machine lacks pulse signal output and cannot directly provide stable and efficient pulse signal transmission to the online detection equipment. Utility Model Content
[0004] The problem to be solved by the utility model is to provide a device for converting analog quantity into pulse signal, which improves the conversion accuracy and speed and enhances the stability by optimizing the design of signal processing module; in addition, by introducing optical coupling relay, the stability and transmission quality of the signal are guaranteed.
[0005] The utility model provides a technical solution to solve the above problems: a device for converting analog quantity into pulse signal, comprising:
[0006] An analog signal input module is used to receive analog signals and convert them into digital signals for processing;
[0007] The signal processing module is connected to the analog signal input module, samples and quantizes the signal, and outputs a voltage signal;
[0008] A voltage-to-pulse module is connected to the signal processing module and is used to convert the voltage signal into a pulse signal and output it;
[0009] The optocoupler relay is connected to the voltage-to-pulse module to isolate the signal and transmit it to the online detection end.
[0010] Preferably, the analog signal input module is connected to the PLC of the enameling machine.
[0011] Preferably, the analog signal input module adopts a differential input circuit.
[0012] Preferably, the signal processing module uses a high-speed, high-precision analog-to-digital converter to filter and amplify the digital signal.
[0013] Preferably, the voltage-to-pulse module adopts a voltage-controlled oscillation circuit.
[0014] Preferably, the optocoupler relay uses an optical coupling device to electrically isolate the input signal and the output signal.
[0015] Compared with the prior art, the utility model has the following advantages: the utility model improves the conversion accuracy and speed while enhancing the stability by optimizing the design of the signal processing module; in addition, by introducing an optocoupler relay, the stability and transmission quality of the signal are guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2 It is a circuit connection diagram of the utility model.
[0019] The attached figure is marked with: 1. Analog signal input module, 2. Signal processing module, 3. Voltage to pulse module, 4. Optocoupler relay, 5. Online detection terminal. DETAILED DESCRIPTION
[0020] The following will describe the implementation methods of the present invention in detail with reference to the accompanying drawings and embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.
[0021] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.
[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.
[0023] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.
[0025] It should also be understood that the terms used in this utility model embodiment specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model embodiments. As used in the utility model embodiment specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.
[0026] The specific implementation example of the utility model is shown in the attached figure. Figure 1 As shown, a device for converting analog quantity into pulse signal comprises:
[0027] The analog signal input module 1 is used to receive analog signals and convert them into digital signals for processing; wherein, the analog signal input module 1 adopts a differential input circuit, which can improve the anti-interference ability. In actual application, the analog signal input module 1 is connected to the PLC of the enameling machine to receive the analog signals transmitted by the PLC of the enameling machine.
[0028] The signal processing module 2 is connected to the analog signal input module 1, samples and quantizes the signal, and outputs a voltage signal; wherein the signal processing module 2 uses a high-speed, high-precision analog-to-digital converter (ADC) to filter and amplify the digital signal.
[0029] The voltage-to-pulse module 3 is connected to the signal processing module 2 and is used to convert the voltage signal into a pulse signal and output it; wherein the voltage-to-pulse module 3 uses a voltage-controlled oscillation circuit to convert the voltage signal into a pulse signal and output the pulse signal.
[0030] The optocoupler relay 4 is connected to the voltage-to-pulse module 3 and is used to isolate the signal and transmit it to the online detection terminal 5. Specifically, the optocoupler relay 4 can electrically isolate the input pulse signal from the output signal, effectively preventing the electrical noise, interference or high voltage of the input signal from damaging the output terminal.
[0031] The utility model provides a device for converting analog quantity into pulse signal with high efficiency and stability through simple circuit structure and optimization method; by optimizing the design of signal processing module 2, the conversion accuracy and speed are improved, and the stability is enhanced; in addition, by introducing optocoupler relay 4, the stability and transmission quality of the signal are guaranteed.
[0032] The above description is only for the best embodiment of the utility model, but it cannot be understood as a limitation of the claims. The utility model is not limited to the above embodiments, and its specific structure is allowed to be changed. All changes made within the protection scope of the independent claims of the utility model are within the protection scope of the utility model.
Claims
1. A device for converting analog quantity into pulse signal, characterized in that: include: An analog signal input module is used to receive analog signals and convert them into digital signals for processing; The signal processing module is connected to the analog signal input module, samples and quantizes the signal, and outputs a voltage signal; A voltage-to-pulse module is connected to the signal processing module and is used to convert the voltage signal into a pulse signal and output it; The optocoupler relay is connected to the voltage-to-pulse module to isolate the signal and transmit it to the online detection end.
2. The device for converting analog quantity into pulse signal according to claim 1, characterized in that: The analog signal input module is connected to the enameling machine PLC.
3. The device for converting analog quantity into pulse signal according to claim 1, characterized in that: The analog signal input module adopts a differential input circuit.
4. The device for converting analog quantity into pulse signal according to claim 1, characterized in that: The signal processing module uses a high-speed, high-precision analog-to-digital converter to filter and amplify the digital signal.
5. The device for converting analog quantity into pulse signal according to claim 1, characterized in that: The voltage-to-pulse module adopts a voltage-controlled oscillation circuit.
6. The device for converting analog quantity into pulse signal according to claim 1, characterized in that: The optical coupling relay uses an optical coupling device to electrically isolate the input signal from the output signal.