Handheld vibrating wire acquisition instrument

Abstract

The utility model provides a hand-held vibrating wire acquisition instrument, including vibrating wire excitation acquisition circuit, 1-WIRE bus driver, micro control unit and EEPROM memory, the 1-WIRE bus driver is connected with the micro control unit, the 1-WIRE bus driver is connected with the EEPROM memory, the vibrating wire excitation acquisition circuit is connected with a vibrating wire sensor, the vibrating wire sensor is connected with the micro control unit, the micro control unit is connected with the micro control unit, the micro control unit is connected with the micro control unit, and the EEPROM memory is connected with the micro control unit. The vibrating wire excitation acquisition circuit is connected with the micro-control unit, and the EEPROM memory is arranged in 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 vibrating string acquisition equipment, in particular to a handheld vibrating string acquisition instrument. Background Art

[0002] Vibrating string sensors are widely used in engineering monitoring, monitoring multiple items such as stress, pressure, water level, and displacement. During measurement, a vibrating string sensor signal frequency is acquired using a vibrating string acquisition instrument. The sensor's initial value at installation and factory modulus coefficient are then 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 calculation requires parameters such as the current acquisition frequency, initial frequency, and modulus coefficient.

[0003] At present, the traditional calculation method is to manually read the current frequency value 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 objectives, the present invention provides a handheld vibrating string data acquisition instrument, comprising a vibrating string excitation acquisition circuit, a 1-WIRE bus driver, a microcontroller unit, and an EEPROM memory, wherein the 1-WIRE bus driver is connected to the microcontroller unit, the 1-WIRE bus driver is connected to the EEPROM memory, the vibrating string excitation acquisition circuit is connected to a vibrating string sensor, and the vibrating string excitation acquisition circuit is connected to the microcontroller unit, and the EEPROM memory is built into the vibrating string sensor.

[0006] The beneficial effects of the utility model are as follows: by connecting the vibrating string excitation acquisition circuit with the vibrating string sensor, connecting the vibrating string excitation acquisition circuit with the micro control unit, connecting the 1-WIRE bus driver with the EEPROM memory, and connecting the 1-WIRE bus driver with the micro control unit, and by building the EEPROM memory into the vibrating string sensor, data such as the sensor modulus coefficient and initial value are stored in the EEPROM memory inside the vibrating string sensor before the vibrating string sensor leaves the factory, the storage information in the EEPROM memory is obtained through the 1-WIRE bus driver, the model frequency value of the vibrating string sensor is collected by using the vibrating string excitation acquisition circuit, and the corresponding physical quantity is calculated using the above information, so as to improve the overall work efficiency.

[0007] Preferably, the 1-WIRE bus driver is connected to the micro control unit via an IIC interface, and the 1-WIRE bus driver converts to and from the 1-WIRE protocol via the IIC interface.

[0008] Preferably, the 1-WIRE bus driver is connected to the EEPROM memory via a 1-WIRE bus.

[0009] Preferably, the micro control unit is provided with an IO port, and the vibrating string excitation acquisition circuit is connected to the micro control unit via the IO port.

[0010] Preferably, the handheld vibrating string collector further includes a 4G transmission device, and the 4G transmission device communicates with the micro control unit via UART.

[0011] Preferably, the handheld vibrating string collector further includes a lithium battery power supply, and the micro control unit is connected to the lithium battery power supply.

[0012] Preferably, the model of the EEPROM memory is DS2431.

[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. 1-WIRE bus driver; 13. Microcontroller unit; 14. 4G transmission device; 15. Lithium battery power supply; 17. Display screen; 18. Input button; 20. Vibrating string sensor; 21. EEPROM memory.

[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 acquisition instrument in an embodiment of the present utility model, comprising a vibrating string excitation acquisition circuit 11, a 1-WIRE bus driver 12, a micro control unit 13 and an EEPROM memory 21.

[0022] Among them, the vibrating string excitation acquisition circuit 11 is used to generate a vibrating string excitation signal and to process the signal of the vibrating string sensor 20. The vibrating string excitation acquisition circuit 11 is connected to the microcontroller unit 13 via an IO port. The IO port is provided on the microcontroller unit 13 and serves as an ADC input port of the microcontroller unit 13. The output of the vibrating string excitation acquisition circuit 11 is connected to the ADC input port of the microcontroller unit 13. The microcontroller unit 13 is used to implement device acquisition, display, calculation and other functions. The microcontroller unit 13 is a single-chip microcomputer model GD32F105VCT6. The microcontroller unit 13 has corresponding calculation formulas recorded therein, and the required physical quantities are calculated using these calculation formulas. The vibrating string excitation acquisition circuit 11 is connected to the vibrating string sensor 20. The 1-WIRE bus driver 12 is connected to the microcontroller unit 13 via an IIC interface. The 1-WIRE bus driver 12 converts to the 1-WIRE protocol via the IIC interface. The 1-WIRE bus driver 12 is connected to the EEPROM memory 21 via the 1-WIRE bus.

[0023] It should be noted that the EEPROM memory 21 is built into the vibrating string sensor 20. The EEPROM memory 21 is a single-bus 1-WIRE memory with a size of 1kb, and the model of the EEPROM memory 21 is DS2431. Before the vibrating string sensor 20 leaves the factory, the modulus coefficient, initial value and other data of the vibrating string sensor 20 will be pre-stored in its built-in EEPROM memory 21. When calculating the corresponding physical quantity, the data in the EEPROM memory 21 can be read through the 1-WIRE bus, and then combined with the current acquisition frequency acquired by the vibrating string excitation acquisition circuit 11, the required physical quantity can be automatically calculated by the microcontroller unit 13.

[0024] In this embodiment, the handheld vibrating string data collector further includes a 4G transmission device 14 . The 4G transmission device 14 communicates with the micro control unit 13 via a UART. The model of the 4G transmission device 14 is EC600.

[0025] In this embodiment, the handheld vibrating string data collector further includes a lithium battery power supply 15 . The micro control unit 13 is connected to the lithium battery power supply 15 . The lithium battery power supply 15 is used to supply power to various components in the data collector.

[0026] In this embodiment, the handheld vibrating string collector further includes a display screen 17 and input buttons 18 . The display screen 17 and the input buttons 18 are both connected to the microcontroller unit 13 . The display screen 17 is used to realize data display and menu display.

[0027] In one specific embodiment, when the data collector is powered on, it enters acquisition mode, collects vibrating string signals via the vibrating string excitation acquisition circuit 11, drives the 1-WIRE bus via the 1-WIRE bus driver 12 to read sensor 20 data from the EEPROM memory 21, and obtains parameters such as the modulus coefficient and initial frequency according to the storage rules. The microcontroller unit 13 then performs calculations according to the formula, enabling the collector to automatically calculate and achieve high efficiency. The calculation results are displayed on the display screen 17. Furthermore, after the acquisition is completed, the calculated data is transmitted to the platform via the 4G transmission device 14. After the transmission is completed, the next round of acquisition process begins, realizing the function of manually collecting data and uploading it to the platform, eliminating the traditional manual input operation into the system and improving monitoring efficiency.

[0028] In a specific implementation, the vibrating string excitation acquisition circuit 11 is connected to the vibrating string sensor 20, the vibrating string excitation acquisition circuit 11 is connected to the microcontroller unit 13, the 1-WIRE bus driver 12 is connected to the EEPROM memory 21, the 1-WIRE bus driver 12 is connected to the microcontroller unit 13, and the EEPROM memory 21 is built into the vibrating string sensor 20. Before the vibrating string sensor 20 leaves the factory, data such as the modulus coefficient and initial value of the sensor 20 are stored in the EEPROM memory 21 inside the vibrating string sensor 20. The stored information in the EEPROM memory 21 is obtained through the 1-WIRE bus driver 12, the model frequency value of the vibrating string sensor 20 is collected by the vibrating string excitation acquisition circuit 11, and the corresponding physical quantity is calculated using the above information, thereby improving the overall work efficiency.

[0029] 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.

[0030] 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.

[0031] 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 invention comprises a vibrating string excitation acquisition circuit, a 1-WIRE bus driver, a micro control unit and an EEPROM memory, wherein the 1-WIRE bus driver is connected to the micro control unit, the 1-WIRE bus driver is connected to the EEPROM memory, the vibrating string excitation acquisition circuit is connected to the vibrating string sensor, and the vibrating string excitation acquisition circuit is connected to the micro control unit, and the EEPROM memory is built into the vibrating string sensor.

2. The handheld vibrating wire collector according to claim 1, characterized in that: The 1-WIRE bus driver is connected to the micro control unit via an IIC interface, and the 1-WIRE bus driver performs conversion with the 1-WIRE protocol via the IIC interface.

3. The handheld vibrating wire collector according to claim 1, characterized in that: The 1-WIRE bus driver is connected to the EEPROM memory via a 1-WIRE bus.

4. The handheld vibrating wire collector according to claim 1, characterized in that: The micro control unit is provided with an IO port, and the vibrating string excitation acquisition circuit is connected to the micro control unit through the IO port.

5. The handheld vibrating wire collector according to claim 1, characterized in that: The handheld vibrating string collector further includes a 4G transmission device, which communicates with the micro control unit via UART.

6. The handheld vibrating wire collector according to claim 1, characterized in that: The handheld vibrating string collector further comprises a lithium battery power supply, and the micro control unit is connected to the lithium battery power supply.

7. The handheld vibrating wire collector according to claim 1, characterized in that: The model of the EEPROM memory is DS2431.

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