CN218938971U - Manual inspection measuring equipment for two-dimension code scanning - Google Patents

Abstract

The utility model provides a two-dimension code scanning manual inspection measuring device which comprises a two-dimension code scanning and decoding module, a microcontroller, an RTC real-time clock, a solid SD memory, a touch display screen and a power management module, wherein the two-dimension code identification plate fixed on a sensor or a cable connector is scanned and read to obtain related information such as the serial number of the sensor, the sensor parameters, the installation position and the like, physical quantity information can be directly calculated and stored in an internal memory according to the format of a database, so that the recording and checking work of manual on-site is reduced, the secondary data calculation work of finishing all measuring point data after the data statistics is reduced, the manual inspection efficiency is greatly improved, and the error probability of manual recording data is reduced.

Description

Manual inspection measuring equipment for two-dimension code scanning

Technical Field

The utility model relates to the field of civil engineering, in particular to a manual inspection measuring device for two-dimension code scanning for structural safety monitoring or detection.

Background

The manual inspection mode is mainly used for measuring the sensor by adopting portable data acquisition equipment, the manual inspection mode only measures and records the original data of the sensor, the data can be converted into stress strain or other physical quantity information required by detection only by matching with the sensitivity coefficient, initial value and the like of the sensor to be detected, and meanwhile, the information of the sensor number, installation position and the like fixed on a sensor cable is manually input to correspond to the measured data, namely, besides the data acquisition in the field, the data are required to be subjected to secondary calculation and data arrangement by utilizing a computer, and the problems that the stress strain or other physical quantity information cannot be calculated in the first time, the measurement efficiency is low, the data arrangement workload is large, recording errors are easy to occur and the like exist.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the utility model provides a manual inspection volume device for scanning two-dimension codes, which is characterized in that a sensor or a sensor cable ticket signboard is fixed on a sensor or a sensor cable, the two-dimension codes can already contain information such as sensitivity coefficient, initial frequency, sensor number, installation position and the like of the sensor, the physical quantity information of the sensor is directly calculated on site through a data acquisition device supporting the scanning of the two-dimension codes, and meanwhile, the physical quantity information is stored according to the format of a database table by utilizing the sensor number information and is directly exported to a computer through a USB interface, so that the problems of low efficiency, large data arrangement workload, easy error of data record and the like caused by manual operation are solved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the manual inspection measurement equipment comprises a two-dimension code scanning and decoding module, a microcontroller, an RTC real-time clock, a solid SD memory, a touch display screen, a signal measurement module and a power management module; the microcontroller is connected with the two-dimensional code scanning and decoding module through an SPI interface, the microcontroller is connected with the RTC real-time clock through an IIC interface, and the solid SD memory is connected with the microcontroller through the SPI interface; the microcontroller is connected with the touch display screen by adopting a serial UART interface; the power management module is electrically connected with the two-dimensional code scanning and decoding module, the microcontroller, the solid SD memory and the touch display screen to provide an input power supply; the microprocessor also comprises an analog-to-digital converter interface, and the signal measurement module is connected with the analog-to-digital converter interface through a signal line.

The beneficial effects of the utility model are as follows: the two-dimensional code signboard fixed on the sensor or the cable connector is scanned and read, so that the related information such as the number of the sensor, the sensor parameters, the installation position and the like can be obtained, the physical quantity information can be directly calculated and stored in the internal memory according to the format of the database, the manual on-site recording and checking work is reduced, the secondary data calculation work for sorting all the measuring point data after the data statistics is completed is also reduced, the manual inspection efficiency is greatly improved, and the error probability of manual data recording is reduced.

Further, the inspection measurement device further comprises a USB interface, and the USB interface is configured to transmit data in the solid SD memory to the computer in a file format.

Further, the two-dimensional code scanning and decoding module comprises a camera and a two-dimensional code decoding chip, wherein the camera is used for scanning and detecting a two-dimensional code label on the sensor and sending image information to the decoding chip through a special camera digital interface, and the decoding chip is used for decoding the image data into parameter information and transmitting the parameter information to the microcontroller.

Further, the solid state SD memory adopts a patch type memory card.

Further, the RTC real-time clock is specifically an RTC device built in the microcontroller or an independent RTC real-time clock device.

Further, a lithium battery is arranged in the power management module, and the lithium battery is charged and managed through the USB interface.

Further, the touch display screen is a resistor screen of the TFT.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a block diagram of an acquisition module according to an embodiment of the present utility model.

Wherein: the digital video camera comprises a camera, a two-dimensional code decoding chip, a microcontroller, a signal measuring module, a touch display screen, a solid SD memory, an RTC real-time clock, a USB interface and a power management module, wherein the camera is 1, the two-dimensional code decoding chip is 2, the microcontroller is 4, the touch display screen is 5, the solid SD memory is 6, the RTC real-time clock is 7, the USB interface is 8, and the power management module is 9.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The utility model will be described in further detail with reference to fig. 1.

The manual inspection measurement equipment comprises a two-dimension code scanning and decoding module, a microcontroller 3, an RTC real-time clock 7, a solid SD memory 8, a touch display screen 5 and a power management module 9; the microcontroller 3 adopts a STM32F103 series 32-bit microcontroller, a 12-bit analog-to-digital converter is built in, the microcontroller 3 is used for reading parameter information transmitted by the two-dimensional code scanning and decoding module, calculating physical quantity information by utilizing sensor parameters contained in the parameter information, and storing sensor numbers acquired in the parameter information, calculated physical quantity information and time information acquired by the RTC real-time clock 7 in the solid SD memory 8 according to a database table format and displaying the information through the touch display screen 5; the microcontroller 3 is connected with the two-dimensional code scanning and decoding module through an SPI interface, the microcontroller 3 is connected with the RTC real-time clock 7 through an IIC interface, and the solid SD memory 8 is connected with the microcontroller 3 through the SPI interface; the microcontroller 3 is connected with the touch display screen 5 by adopting a serial UART interface; the power management module 9 is electrically connected with the two-dimensional code scanning and decoding module, the microcontroller 3, the solid-state SD memory 8 and the touch display screen 5 to provide an input power.

In particular, the microprocessor 3 further includes an analog-to-digital converter interface, which is configured to receive an analog signal output by the sensor.

In specific implementation, the inspection measurement device further comprises a signal measurement module 4, wherein the signal measurement module is used for conditioning sensor signals and transmitting the conditioned sensor signals to the analog-to-digital converter interface through a signal wire, and the signal measurement module 4 can adopt an instrument amplifier of the AD8226ARMZ model as the front end of a signal chain and is used for amplifying weak sensor signals to improve the signal-to-noise ratio; the filter adopts an active low-pass filter comprising an RS524XQ patch low-noise operational amplifier, and passband cut-off frequency is set according to the bandwidth of a sensor signal; the whole signal chain conditions the sensor signal within its voltage range into a suitable unipolar single-ended signal for adapting the analog-to-digital converter interface of the microcontroller 3.

In specific implementation, the inspection measurement device further includes a USB interface 8, where the USB interface 8 is configured to transmit data in the solid SD memory 6 to a computer in a file format.

In specific implementation, the two-dimensional code scanning and decoding module comprises a camera 1 and a two-dimensional code decoding chip 2, wherein the camera 1 is used for scanning and detecting a two-dimensional code label on a sensor and sending graphic information to the decoding chip through a special camera digital interface, and the two-dimensional code decoding chip 2 is used for decoding the image data into parameter information and transmitting the parameter information to the microcontroller; the camera 3 can adopt a low-cost high-definition COMS camera, the two-dimensional code decoding chip 2 is a PF5261 two-dimensional code decoding chip, and the two-dimensional code decoding chip 2 supports an SPI digital interface and is used for communicating with the microcontroller 3.

In specific implementation, the solid-state SD memory 6 adopts a patch type memory card, the capacity of which can be selected according to practical situations, and the patch type memory card has high reliability and no loosening problem caused by vibration.

In specific implementation, the RTC real-time clock 8 is specifically an RTC device built in the microcontroller or an independent RTC real-time clock device, and mainly provides a time tag for data collected by the sensor.

In specific implementation, the power management module 9 is internally provided with a lithium battery, and performs charging management on the lithium battery through the USB interface 8, and comprises a linear voltage stabilizing controller of ME6119C33M5G model and an SCT2430 STER-low quiescent current synchronous buck DCDC converter.

In specific implementation, the touch display screen 5 is a TFT resistive screen, and the screen size is selected to be 4.3 inches according to the requirement of actual display data, so that in order to simplify the programming workload of the microcontroller, a serial screen with an embedded MCU may be adopted.

The beneficial effects of the utility model are as follows: the two-dimensional code signboard fixed on the sensor or the cable connector is scanned and read to obtain the information such as the number of the sensor, the sensor parameters, the installation position and the like, the physical quantity information can be directly calculated and stored in the internal memory according to the format of the database, so that the manual on-site recording and checking work is reduced, the secondary data calculation work for sorting all the measuring point data after the data statistics is completed is also reduced, the manual inspection efficiency is greatly improved, and the error probability of manually recording the data is reduced.

The working principle of the equipment comprises the following steps: 1. starting up the equipment; 2. starting the camera 1 through the equipment touch display screen 5, and scanning a sensor two-dimensional code label; 3. the device reads the basic information and parameters (K value, temperature coefficient, initial frequency, etc.) of the sensor into the solid SD memory 6 of the device; 4. a cable connecting the device and the sensor; 5. selecting an acquisition function through a touch display screen 5 of the equipment, and exciting the sensor and measuring the signal frequency by the equipment; 6. the sensor is excited and outputs an analog signal; 7. analog signals of the sensor are amplified and filtered through signal conditioning and are transmitted to an analog-to-digital converter pin of the microcontroller 3; 8. the microcontroller 3 converts the conditioned vibrating wire signal into a digital signal through an internal analog-to-digital converter and calculates a frequency value F; 9. the microcontroller calculates the physical magnitude by using the K value, the temperature coefficient, the initial frequency and the current frequency value F; 10. one measurement complete-shutdown.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (7)

1. Manual inspection measuring equipment for two-dimensional code scanning, which is characterized in that: the system comprises a two-dimensional code scanning and decoding module, a microcontroller, an RTC real-time clock, a solid SD memory, a touch display screen, a signal measuring module and a power management module; the microcontroller is connected with the two-dimensional code scanning and decoding module through an SPI interface, the microcontroller is connected with the RTC real-time clock through an IIC interface, and the solid SD memory is connected with the microcontroller through the SPI interface; the microcontroller is connected with the touch display screen by adopting a serial UART interface; the power management module is electrically connected with the two-dimensional code scanning and decoding module, the microcontroller, the solid SD memory and the touch display screen to provide an input power supply; the microcontroller also comprises an analog-to-digital converter interface, and the signal measurement module is connected with the analog-to-digital converter interface through a signal line.

2. The two-dimensional code scanning manual inspection measurement device according to claim 1, wherein: the inspection measurement device also comprises a USB interface, wherein the USB interface is used for transmitting data in the solid SD memory to the computer end in the form of files.

3. The two-dimensional code scanning manual inspection measurement device according to claim 1, wherein: the two-dimensional code scanning and decoding module comprises a camera and a two-dimensional code decoding chip.

4. The two-dimensional code scanning manual inspection measurement device according to claim 1, wherein: the solid-state SD memory adopts a patch type memory card.

5. The two-dimensional code scanning manual inspection measurement device according to claim 1, wherein: the RTC real-time clock is specifically an RTC device built in the microcontroller or an independent RTC real-time clock device.

6. The two-dimensional code scanning manual inspection measurement device according to claim 1, wherein: and the power management module is internally provided with a lithium battery, and performs charging management on the lithium battery through a USB interface.

7. The two-dimensional code scanning manual inspection measurement device according to claim 1, wherein: the touch display screen is a resistor screen of the TFT.

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