Handheld vibrating wire acquisition instrument

Abstract

The utility model provides a hand-held vibrating wire acquisition instrument, which comprises an acquisition instrument body and a scanning camera arranged in the acquisition instrument body, the acquisition instrument body is used for acquiring vibrating wire signals of a vibrating wire sensor, the vibrating wire sensor is provided with a two-dimensional code, an identification number of the vibrating wire sensor is recorded in the two-dimensional code, and the scanning camera is arranged in the acquisition instrument body. The scanning camera is used for scanning the two-dimensional code; the acquisition instrument body comprises a vibrating wire excitation acquisition circuit, a micro-control unit and a FLASH memory, the vibrating wire excitation acquisition circuit, the FLASH memory and the scanning camera are all connected with the micro-control unit, and the FLASH memory is used for storing configuration information of the vibrating wire sensor. And the vibrating wire excitation acquisition circuit is connected with the vibrating wire sensor. According to the invention, the overall working efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the field of handheld vibrating string acquisition equipment, in particular to a handheld vibrating string acquisition instrument. Background Art

[0002] Vibrating string sensors are widely used in the field of engineering monitoring, which monitors multiple items such as stress, pressure, water level, and displacement. During the measurement process, a vibrating string collector is used to collect the signal frequency value of the vibrating string sensor, and then the initial value of the sensor at the time of installation and the modulus coefficient at the factory are used to calculate the corresponding physical quantities, such as stress, pressure, water level, and displacement. To obtain the measured physical quantity value of the sensor, the current acquisition frequency value, initial frequency value, modulus coefficient and other parameters must be used in the calculation process.

[0003] At present, the traditional calculation method is to manually read the current frequency value, initial frequency value, modulus coefficient and other parameters, and then use a computer or manual calculation to obtain the corresponding physical quantity, which is inefficient. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide a handheld vibrating string collector to solve the deficiencies in the prior art.

[0005] To achieve the above-mentioned object, the present invention provides a handheld vibrating string data collector, comprising a data collector body and a scanning camera disposed within the data collector body, wherein the data collector body is used to collect vibrating string signals from a vibrating string sensor, the vibrating string sensor being provided with a QR code having an identification number of the vibrating string sensor recorded therein, and the scanning camera being used to scan the QR code;

[0006] The data acquisition instrument body includes a vibrating string excitation acquisition circuit, a microcontroller unit, and a FLASH memory. The vibrating string excitation acquisition circuit, the FLASH memory, and the scanning camera are all connected to the microcontroller unit. The FLASH memory is used to store the configuration information of the vibrating string sensor. The vibrating string excitation acquisition circuit is connected to the vibrating string sensor.

[0007] The beneficial effects of the utility model are as follows: a scanning camera is provided in the acquisition instrument body, a two-dimensional code is provided on the vibrating string sensor, an identification number of the vibrating string sensor is entered into the two-dimensional code, and a FLASH memory is used to store parameters for calculating physical quantities. When it is necessary to calculate the corresponding physical value, the two-dimensional code on the vibrating string sensor is scanned by the scanning camera to obtain the identification number of the vibrating string sensor, the current frequency value of the vibrating string sensor is collected by the vibrating string excitation acquisition circuit, and based on the identification number, the parameters for calculating the physical quantity are obtained from the FLASH memory storage by a microcontroller, and the required physical quantity is calculated by the microcontroller, thereby realizing automatic calculation by the microcontroller, thereby improving the overall work efficiency.

[0008] Preferably, the scanning camera communicates with the micro control unit via a USB interface.

[0009] Preferably, the scanning camera communicates with the micro control unit via a UART interface.

[0010] Preferably, the collector body further includes a lithium battery, which is used to power various components of the handheld vibrating string collector, and the lithium battery is connected to the micro control unit.

[0011] Preferably, the collector body further includes a 4G transmission device, and the 4G transmission device is connected to the micro control unit.

[0012] Preferably, the collector body further includes a display screen, and the display screen is connected to the micro control unit.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a handheld vibrating string collector provided in an embodiment of the utility model.

[0015] Description of main component symbols:

[0016] 11. Vibrating string excitation acquisition circuit; 12. Scanning camera; 13. Microcontroller unit; 14. 4G transmission device; 15. Lithium battery; 16. FLASH memory; 17. Display screen; 18. Input button; 20. Vibrating string sensor; 21. QR code.

[0017] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The drawings illustrate several embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0019] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] See also Figure 1 , is a handheld vibrating string collector in an embodiment of the present utility model, including a collector body and a scanning camera 12.

[0022] The scanning camera 12 is located within the data acquisition instrument body. The data acquisition instrument body includes a vibrating string excitation acquisition circuit 11, a microcontroller unit 13, and a flash memory 16. The data acquisition instrument body uses the vibrating string excitation acquisition circuit 11 to acquire the vibrating string signal from the vibrating string sensor 20. Specifically, the vibrating string excitation acquisition circuit 11 is used to acquire the vibrating string signal from the vibrating string sensor 20. The vibrating string excitation acquisition circuit 11, the scanning camera 12, and the flash memory 16 are all connected to the microcontroller unit 13. The model of the flash memory 16 is AT45DB161E. The flash memory 16 is used to store the configuration information of the vibrating string sensor 20, such as the initial frequency value, the modulus coefficient, and other parameters. The vibrating string sensor 20 is provided with a two-dimensional code 21. The identification number of the vibrating string sensor 20 is recorded in the two-dimensional code 21. Different vibrating string sensors 20 are assigned different identification numbers. The scanning camera 12 is used to scan the two-dimensional code 21 to obtain the identification number of the vibrating string sensor 20.

[0023] It should be noted that the vibrating string excitation acquisition circuit 11 is used to collect the current vibrating string signal of the vibrating string sensor 20 to obtain the current frequency value of the vibrating string sensor 20, and then use the scanning camera 12 to scan the QR code 21 to obtain the identification number, use the micro control unit 13 to obtain the configuration information of the vibrating string sensor 20 from the FLASH memory 16, and then use the micro control unit 13 to calculate the corresponding physical quantity.

[0024] It should be noted that before the handheld vibrating string data collector is put into operation, the sensor modulus coefficient, initial value and other parameters of each vibrating string sensor 20 and the corresponding identification number are pre-stored in the FLASH memory 16. When calculating the corresponding physical quantity, the configuration information of the corresponding vibrating string sensor 20 in the FLASH memory 16 can be read through the microcontroller unit 13 based on the identification number.

[0025] In this embodiment, the vibrating string excitation acquisition circuit 11 is connected to the micro control unit 13 via an IO port. The IO port is provided on the micro control unit 13 and is the ADC input port of the micro control unit 13. The output of the vibrating string excitation acquisition circuit 11 is connected to the ADC input port of the micro control unit 13.

[0026] In this embodiment, the microcontroller 13 is a single chip microcomputer of model GD32F105VCT6. The microcontroller 13 is programmed with calculation formulas for calculating various physical quantities. The microcontroller 13 is used to calculate corresponding physical quantities according to different calculation formulas.

[0027] In this embodiment, the scanning camera 12 communicates with the micro control unit 13 via a USB interface. It should be noted that, in other embodiments, the scanning camera 12 may also communicate with the micro control unit 13 via a UART interface.

[0028] In this embodiment, the collector body further includes a lithium battery 15 , which is used to power various components of the handheld vibrating string collector. The lithium battery 15 is connected to the micro control unit 13 .

[0029] In this embodiment, the collector body also includes a 4G transmission device 14, which is connected to the micro control unit 13. Specifically, the 4G transmission device 14 communicates with the micro control unit 13 through UART. The model of the 4G transmission device 14 is EC600. It should be noted that the calculated data is transmitted to the platform through the 4G transmission device 14. After the transmission is completed, the next round of collection process is entered, realizing the function of manually collecting data and uploading it to the platform, eliminating the traditional manual entry system operation and improving monitoring efficiency.

[0030] In this embodiment, the handheld vibrating string collector also includes a display screen 17 and an input button 18. Both the display screen 17 and the input button 18 are connected to the microcontroller unit 13. The display screen 17 is used to realize data display and menu display, and the input button 18 is connected to the microcontroller unit 13 through the IO port.

[0031] In a specific implementation, a scanning camera 12 is provided in the collector body, a QR code 21 is provided on the vibrating string sensor 20, an identification number of the vibrating string sensor 20 is entered into the QR code 21, and parameters for calculating physical quantities are stored in the FLASH memory 16. When it is necessary to calculate the corresponding physical value, the QR code 21 on the vibrating string sensor 20 is scanned by the scanning camera to obtain the identification number of the vibrating string sensor 20, the current frequency value of the vibrating string sensor 20 is collected by the vibrating string excitation acquisition circuit 11, and based on the identification number, the parameters for calculating the physical quantity are obtained from the FLASH memory 16 storage through the microcontroller unit 13, and then the required physical quantity is calculated by the microcontroller unit 13, thereby realizing automatic calculation by the microcontroller unit 13 to improve the overall work efficiency.

[0032] It should be noted that the above implementation process is only for illustrating the feasibility of the present application, but it does not mean that the handheld vibrating string collector of the present application has only the above-mentioned implementation process. On the contrary, as long as the handheld vibrating string collector of the present application can be implemented, it can be included in the feasible implementation plan of the present application.

[0033] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0034] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the scope of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A handheld vibrating string collector, characterized in that: The device comprises a data acquisition instrument body and a scanning camera provided in the data acquisition instrument body, wherein the data acquisition instrument body is used to acquire a vibrating string signal from a vibrating string sensor, the vibrating string sensor is provided with a QR code, the QR code having an identification number of the vibrating string sensor recorded therein, and the scanning camera is used to scan the QR code; The data acquisition instrument body includes a vibrating string excitation acquisition circuit, a microcontroller unit, and a FLASH memory. The vibrating string excitation acquisition circuit, the FLASH memory, and the scanning camera are all connected to the microcontroller unit. The FLASH memory is used to store the configuration information of the vibrating string sensor. The vibrating string excitation acquisition circuit is connected to the vibrating string sensor.

2. The handheld vibrating wire collector according to claim 1, characterized in that: The scanning camera communicates with the micro control unit via a USB interface.

3. The handheld vibrating wire collector according to claim 1, characterized in that: The scanning camera communicates with the micro control unit via a UART interface.

4. The handheld vibrating wire collector according to claim 1, characterized in that: The collector body further includes a lithium battery, which is used to power various components of the handheld vibrating string collector. The lithium battery is connected to the micro control unit.

5. The handheld vibrating wire collector according to claim 1, characterized in that: The collector body also includes a 4G transmission device, and the 4G transmission device is connected to the micro control unit.

6. The handheld vibrating wire collector according to claim 1, characterized in that: The collector body further comprises a display screen, which is connected to the micro control unit.

Images