Transmitting and receiving integrated vibrating wire acquisition instrument

Abstract

The utility model discloses a receiving and transmitting integrated vibrating wire acquisition instrument, which comprises a power supply module, a signal conditioning module, a multi-channel data transmission module, a micro-control unit and a data storage module, the signal conditioning module comprises a signal switching circuit, a channel program control switching circuit and a comparator circuit, switching of input signals is achieved through the signal switching circuit and the channel program control switching circuit, and the signal conditioning module sends out frequency sweeping excitation signals and transmits the processed signals to the micro-control unit. The output end of the micro-control unit is connected with the input end of the data storage module, and the output end of the data storage module is connected with the input end of the multi-channel data transmission module; according to the application, higher-precision data acquisition and stable and efficient data transmission are realized, and the requirements of a complex monitoring system are met.

Description

Technical Field

[0001] The present application relates to the technical field of data acquisition, and in particular to a vibrating string data acquisition instrument with an integrated transmitter and receiver. Background Art

[0002] The vibrating string sensor directly outputs the natural frequency signal of the vibrating string, and has the characteristics of strong anti-interference ability, little influence of electrical parameters, small zero point drift, little influence of temperature, stable and reliable performance, vibration resistance, and long life. Therefore, vibrating string collectors are often used to monitor various data at civil engineering construction sites. With the widespread application of vibrating string collectors in the field of vibration monitoring, traditional vibrating string collectors have the following problems: 1. Complex signal processing leads to low accuracy; 2. Limited data transmission methods cannot meet diversified application requirements; 3. The overall size of the equipment is large, which is not convenient for actual application layout; in view of this, the present application provides a new type of vibrating string collector to overcome the shortcomings of existing vibrating string collectors. Utility Model Content

[0003] In order to solve the above problems, the embodiment of the present application provides a transceiver-integrated vibrating string collector to achieve higher-precision data collection and stable and efficient data transmission to meet the needs of complex monitoring systems. The technical solution is as follows:

[0004] The present application provides a transceiver-integrated vibrating string collector, comprising a power module, a signal conditioning module, a multi-channel data transmission module, a microcontroller unit and a data storage module; the signal conditioning module comprises a signal switching circuit, a channel program-controlled switching circuit and a comparator circuit, and the switching of input signals is realized by the signal switching circuit and the channel program-controlled switching circuit, the signal conditioning module sends a sweep frequency excitation signal and transmits the processed signal to the microcontroller unit, the output end of the microcontroller unit is connected to the input end of the data storage module, and the output end of the data storage module is connected to the input end of the multi-channel data transmission module.

[0005] For example, in the transceiver-integrated vibrating string collector provided in one embodiment, the signal switching circuit includes a MOS tube (Q1) and a relay (K1) connected in a circuit, the MOS tube (Q1) is controlled by the microcontroller unit, and the MOS tube (Q1) controls the relay (K1) to realize the switching of the input signal.

[0006] For example, in the transceiver-integrated vibrating string collector provided in one embodiment, the signal switching circuit and the channel programmable switching circuit are combined to form an 8-channel signal programmable switching circuit to achieve switching and isolation of input signals.

[0007] For example, in the transceiver-integrated vibrating string collector provided in one embodiment, the signal conditioning module also includes a signal frequency sweeping excitation circuit, which generates an excitation signal corresponding to the control object through the control of the microcontroller unit, and the excitation signal is collected by the microcontroller unit after processing.

[0008] For example, in the transceiver-integrated vibrating string collector provided in one embodiment, the microcontroller unit performs data recognition based on the output result of the comparator circuit, and transmits the processed data to the data storage module for storage, and the data storage module transmits the stored data to the multi-channel data transmission module.

[0009] For example, in the transceiver-integrated vibratory string collector provided in one embodiment, the multi-channel data transmission module includes a data output interface and a wireless transmission module, the data output interface is an RJ45 network interface, the multi-channel data transmission module packages the data and sends it to the RJ45 network interface according to the communication protocol format requirements, and the wireless transmission module sends the data to a set static IP and data port to complete the wireless transmission of the data.

[0010] For example, in the integrated transceiver vibrating string data collector provided in one embodiment, an expansion interface is also included, through which synchronous data collection between multiple integrated transceiver vibrating string data collectors is achieved.

[0011] For example, in the transceiver-integrated vibrating string collector provided in one embodiment, an LED operation indicator light is also included to display the operation status of the transceiver-integrated vibrating string collector.

[0012] The beneficial effects of a transceiver-integrated vibrating string collector provided by some embodiments of the present application are as follows: the collector of the present application can adaptively select the excitation channel number, send out a sweeping excitation signal, and adjust the signal processing parameters in real time. After signal pickup, filtering and shaping, and comparator circuit processing, higher-precision data collection can be achieved; by introducing a multi-channel data transmission module, wired (RJ45) and wireless transmission modules can be selected according to actual needs to adapt to different industrial scenarios. By improving the communication module, more flexible communication protocol formats can be supported, data transmission efficiency and stability can be improved, and the needs of complex monitoring systems can be met; the present application adopts a compact design to effectively reduce the overall volume. At the same time, it introduces intelligent layout technology, optimizes the wiring structure, reduces wiring clutter, and improves the portability and installation flexibility of the equipment. The collector of the present application can realize synchronous collection between channels and between multiple collectors, with high synchronization. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is the principle diagram of the transceiver-integrated vibrating string collector of the present application;

[0015] Figure 2 is a signal switching circuit diagram of the present application;

[0016] Figure 3 It is the channel program-controlled switching circuit diagram of the present application;

[0017] Figure 4 It is the signal sweep frequency excitation circuit diagram of the present application;

[0018] Figure 5 It is a control circuit diagram of the micro control unit of the present application. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood by people with ordinary skills in the field to which the present disclosure belongs. The "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] The present application provides a transceiver-integrated vibrating string collector, such as Figure 1As shown, it includes a power module, a signal conditioning module, a multi-channel data transmission module, a micro control unit and a data storage module; the signal conditioning module includes a signal switching circuit, a channel program-controlled switching circuit and a comparator circuit, and the switching of the input signal is realized by the signal switching circuit and the channel program-controlled switching circuit. The signal conditioning module sends a sweep frequency excitation signal and transmits the processed signal to the micro control unit. The output end of the micro control unit is connected to the input end of the data storage module, and the output end of the data storage module is connected to the input end of the multi-channel data transmission module.

[0022] The power supply module supplies power to the signal conditioning module, the multi-channel data transmission module, the micro control unit and the data storage module. Figure 2 The signal switching circuit of the present application is shown, Figure 3 The channel program-controlled switching circuit of the present application is shown; Figure 4 The signal frequency sweeping excitation circuit of the present application is shown; Figure 5 The microcontroller unit MCU circuit of the present application is shown.

[0023] The transceiver integrated vibrating string collector of the present application, by introducing intelligent signal processing technology in the signal conditioning module, can adaptively select the excitation channel number, send out the sweep excitation signal, and adjust the signal processing parameters in real time. After signal pickup, filtering and shaping and comparator circuit processing, higher precision data acquisition is achieved; by introducing a multi-channel data transmission module, the module can select wired (RJ45) and wireless transmission modules according to actual needs to adapt to different industrial scenarios, and by improving the communication module, it can support more flexible communication protocol formats, improve data transmission efficiency and stability, and meet the needs of complex monitoring systems; the present application redesigns the hardware structure of the collector, adopts a compact design, and effectively reduces the overall volume. At the same time, the intelligent layout technology is introduced to optimize the wiring structure, reduce the wiring clutter, and improve the portability and installation flexibility of the equipment. The collector of the present application can realize synchronous acquisition between channels and multiple collectors, with high synchronization; the present application greatly reduces the power consumption of the collector through circuit structure optimization and acquisition algorithm upgrade, and can be battery-powered to meet the needs of different scenarios.

[0024] For example, in the transceiver integrated vibrating string collector provided in one embodiment, Figure 2 As shown, the signal switching circuit includes a MOS tube (Q1) and a relay (K1) connected in a circuit, and the MOS tube (Q1) is controlled by the micro control unit, which in turn controls the relay (K1) to achieve switching of the input signal, thereby ensuring that each signal is physically completely isolated.

[0025] For example, in the transceiver integrated vibrating string collector provided in one embodiment, Figure 3As shown, the signal switching circuit and the channel program-controlled switching circuit are combined to form an 8-way signal program-controlled switching circuit to achieve switching and isolation of input signals.

[0026] For example, in the transceiver integrated vibrating string collector provided in one embodiment, Figure 4 As shown, the signal conditioning module also includes a signal frequency sweeping excitation circuit, which generates an excitation signal corresponding to the controlled object through the control of the microcontroller unit. When the sensor is excited, the sensor signal is conditioned and amplified to facilitate collection by the microcontroller unit MCU.

[0027] For example, in the transceiver integrated vibrating string collector provided in one embodiment, Figure 5 As shown, the microcontroller unit performs data recognition according to the output result of the comparator circuit, and transmits the processed data to the data storage module for storage, and the data storage module transmits the stored data to the multi-channel data transmission module. It should be noted that the data transmitted to the data storage module and the multi-channel data transmission module in this embodiment are processed data obtained by the microcontroller unit using, including but not limited to, existing programs or processing methods (such as existing identification, analysis, filtering and calculation processing means).

[0028] For example, in the transceiver-integrated vibratory string collector provided in one embodiment, the multi-channel data transmission module includes a data output interface and a wireless transmission module, the data output interface is an RJ45 network interface, the multi-channel data transmission module packages the data and sends it to the RJ45 network interface according to the communication protocol format requirements, and the wireless transmission module sends the data to a set static IP and data port to complete the wireless transmission of the data.

[0029] For example, in the transceiver-integrated vibrating string data acquisition instrument provided in one embodiment, an expansion interface is also included, through which the synchronous data acquisition between multiple transceiver-integrated vibrating string data acquisition instruments is realized. According to the above embodiment, the data acquisition instrument of the present application can realize synchronous data acquisition between multiple data acquisition instruments, and multiple data acquisition instruments can be cascaded through Gigabit Ethernet to realize data acquisition of more channels with high synchronization.

[0030] For example, in the transceiver-integrated vibrating string collector provided in one embodiment, an LED operation indicator light is also included to display the operation status of the transceiver-integrated vibrating string collector.

[0031] The working principle of the transceiver integrated vibrating string collector of this application is:

[0032] Step 1: Signal conditioning module workflow: including: select the excitation channel number → send out a sweep frequency excitation signal and wait for the return signal to stabilize → pick up the signal → filter and shape → send to the comparator circuit;

[0033] Step 2: The microcontroller unit MCU processes the data flow: including: data identification according to the comparator output result → parsing and calculating data → data storage module stores the processed data → multi-channel data transmission module transmits data;

[0034] Step 3: The multi-channel data transmission module transmits data flow: including: packaging data according to the communication protocol format requirements → sending to the RJ45 network interface → the wireless transmission module transmits the data to the set static IP and data port.

[0035] Although the implementation scheme of the present application has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes, and it can be fully applicable to various fields suitable for the present application. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present application is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A transceiver-integrated vibrating string collector, characterized in that: It includes a power supply module, a signal conditioning module, a multi-channel data transmission module, a micro control unit and a data storage module; the signal conditioning module includes a signal switching circuit, a channel program-controlled switching circuit and a comparator circuit, and the switching of input signals is realized by the signal switching circuit and the channel program-controlled switching circuit. The signal conditioning module sends a sweep frequency excitation signal and transmits the processed signal to the micro control unit. The output end of the micro control unit is connected to the input end of the data storage module, and the output end of the data storage module is connected to the input end of the multi-channel data transmission module.

2. The transceiver-integrated vibrating string collector according to claim 1, characterized in that: The signal switching circuit comprises a MOS tube (Q1) and a relay (K1) connected in a circuit, wherein the MOS tube (Q1) is controlled by the micro control unit, and the MOS tube (Q1) controls the relay (K1) to realize the switching of the input signal.

3. The transceiver-integrated vibrating string collector according to claim 2, characterized in that: The signal switching circuit and the channel program-controlled switching circuit are combined to form an 8-way signal program-controlled switching circuit to achieve switching and isolation of input signals.

4. The transceiver-integrated vibrating string collector according to claim 1, characterized in that: The signal conditioning module also includes a signal frequency sweeping excitation circuit, which generates an excitation signal corresponding to the control object through the control of the micro control unit, and the excitation signal is collected by the micro control unit after being processed.

5. The transceiver-integrated vibrating string collector according to claim 4, characterized in that: The micro control unit performs data recognition according to the output result of the comparator circuit, and transmits the processed data to the data storage module for storage, and the data storage module transmits the stored data to the multi-channel data transmission module.

6. The transceiver-integrated vibrating string collector according to claim 5, characterized in that: The multi-channel data transmission module includes a data output interface and a wireless transmission module. The data output interface is an RJ45 network interface. The multi-channel data transmission module packages the data and sends it to the RJ45 network interface according to the communication protocol format requirements. The wireless transmission module sends the data to the set static IP and data port to complete the wireless transmission of the data.

7. The transceiver-integrated vibrating string collector according to claim 1, characterized in that: It also includes an expansion interface, through which the synchronous collection between multiple transceiver-integrated vibrating string collectors is achieved.

8. The transceiver-integrated vibrating string collector according to claim 1, characterized in that: It also includes an LED operating indicator light for displaying the operating status of the transceiver-integrated vibrating string collector.

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