A portable on-site inspection device

Abstract

This utility model discloses a portable on-site inspection device, including a portable casing with a signal acquisition terminal. Inside the casing are a microcontroller, a CPU, and a storage battery. The output of the storage battery is connected to the power input of the microcontroller and the CPU, and the microcontroller and CPU are connected via a data bus. The signal acquisition terminal includes an accelerometer, an infrared sensor, and an RFID card reader. The outputs of the accelerometer, infrared sensor, and RFID card reader are respectively connected to the input of the microcontroller. The portable casing includes a keyboard, a display screen, and a buzzer. The keyboard input is connected to the CPU input, and the CPU output is connected to the input of the display screen and the buzzer. This utility model utilizes multiple sensors for collaborative detection, real-time data acquisition and analysis, and anomaly warning, thereby improving the efficiency and accuracy of on-site inspections.

Description

Technical Field

[0001] This utility model relates to the field of industrial equipment testing technology, and more specifically to a portable on-site inspection device. Background Technology

[0002] Inspection equipment is used for on-site inspection and management of production equipment. It is an "offline" information collection system that exchanges data with the enterprise's database management system, serving as an industrial on-site equipment inspection tool. It is an auxiliary tool for achieving standardization, normalization, and informatization of enterprise equipment management processes.

[0003] Existing inspection equipment suffers from the following problems: limited functionality, reliance on manual recording, low efficiency and prone to errors; bulky and inconvenient to carry, making it difficult to adapt to complex field environments; delayed data transmission, lack of real-time analysis and early warning functions; and insufficient battery life, with frequent power supply replacements affecting work continuity. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a portable on-site inspection device to solve the problems in the background art.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows.

[0006] A portable on-site inspection device includes a portable casing with a signal acquisition terminal for collecting signals. Inside the casing are a microcontroller and a CPU for processing the collected signals, and an energy storage battery for storing electrical energy. The output of the energy storage battery is connected to the power input of the microcontroller and the CPU, and the microcontroller and the CPU are connected via a data bus. The signal acquisition terminal includes an accelerometer for collecting vibration information, an infrared sensor for measuring temperature, and an RFID card reader for reading information from on-site RFID cards. The outputs of the accelerometer, the infrared sensor, and the RFID card reader are respectively connected to the input of the microcontroller. The portable casing has a keyboard for inputting setting information, a display screen for displaying inspection information, and a buzzer for issuing abnormal alarms. The keyboard input is connected to the CPU input, and the CPU output is connected to the input of the display screen and the buzzer.

[0007] To further optimize the technical solution, the accelerometer is connected to a portable housing via a coaxial cable. The portable housing has a coaxial interface for connecting the coaxial cable. The coaxial interface is connected to a microcontroller via an amplification module, a multiplexer, and an A / D converter module connected in sequence. The input end of the amplification module is connected to the coaxial interface, the output end of the amplification module is connected to the input end of the multiplexer, the output end of the multiplexer is connected to the input end of the A / D converter module, the output end of the A / D converter module is connected to the input end of the microcontroller, and the controlled end of the multiplexer is connected to the output end of the microcontroller.

[0008] The technical solution is further optimized. The amplification module includes a charge amplifier, a velocity integrator, and a displacement integrator connected in series on a coaxial interface. The output terminals of the charge amplifier, velocity integrator, and displacement integrator are respectively connected to a multiplexer.

[0009] To further optimize the technical solution, the infrared sensor is connected to the microcontroller via a series operational amplifier and an A / D converter module. The output of the infrared sensor is connected to the input of the operational amplifier, the output of the operational amplifier is connected to the input of the A / D converter module, and the output of the A / D converter module is connected to the input of the microcontroller.

[0010] To further optimize the technical solution, the portable casing is equipped with a laser pointer for locating the temperature acquisition position, and the input end of the laser pointer is connected to the output end of the microcontroller.

[0011] To further optimize the technical solution, the portable casing is equipped with a ROM program memory, a RAM data memory, a FLASH program memory, a RAM memory, and an SD card data memory for storing inspection information. The ROM program memory and RAM data memory are electrically connected to the microcontroller, and the FLASH program memory, RAM memory, and SD card data memory are electrically connected to the CPU.

[0012] To further optimize the technical solution, the portable casing is also equipped with a USB communication interface and an RS2325 communication interface for information transmission with a host computer. The USB communication interface and the RS2325 communication interface are electrically connected to the CPU respectively.

[0013] The technological advancements achieved by this utility model are as follows, due to the adoption of the above technical solutions.

[0014] This utility model provides a portable on-site inspection device. It adopts a portable shell, which realizes lightweight design and reduces the workload. Multiple sensors work together to detect, collect data in real time, perform data analysis and anomaly warning, thereby improving the efficiency and accuracy of on-site inspection. Attached Figure Description

[0015] Figure 1 This is a structural block diagram of the present invention. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0017] A portable on-site inspection device, combined with Figure 1 As shown, the device includes a portable casing with a signal acquisition terminal for acquiring signals. Inside the portable casing are a microcontroller, a CPU, and a storage battery. The microcontroller and CPU process the signals acquired by the signal acquisition terminal, and the storage battery stores electrical energy. The output of the storage battery is connected to the power input of the microcontroller and the CPU. The microcontroller and the CPU are connected via a data bus.

[0018] The signal acquisition end includes an accelerometer, an infrared sensor, and an RFID card reader. The accelerometer is used to collect vibration information, the infrared sensor is used to collect temperature information, and the RFID card reader is used to read information from the RFID card on site. The outputs of the accelerometer, the infrared sensor, and the RFID card reader are respectively connected to the input of the microcontroller.

[0019] The accelerometer is connected to a portable housing via a coaxial cable. The housing has a coaxial interface for connecting the coaxial cable. The coaxial interface is connected to a microcontroller via an amplification module, a multiplexer, and an A / D converter module connected in sequence. The input of the amplification module is connected to the coaxial interface, the output of the amplification module is connected to the input of the multiplexer, the output of the multiplexer is connected to the input of the A / D converter module, the output of the A / D converter module is connected to the input of the microcontroller, and the controlled end of the multiplexer is connected to the output of the microcontroller.

[0020] The amplification module includes a charge amplifier, a velocity integrator, and a displacement integrator connected in series on a coaxial interface. The outputs of the charge amplifier, velocity integrator, and displacement integrator are respectively connected to a multiplexer.

[0021] The infrared sensor is connected to the microcontroller via a series operational amplifier and an A / D converter module. The output of the infrared sensor is connected to the input of the operational amplifier, the output of the operational amplifier is connected to the input of the A / D converter module, and the output of the A / D converter module is connected to the input of the microcontroller.

[0022] The portable casing is equipped with a laser pointer to locate the temperature acquisition position. The input of the laser pointer is connected to the output of the microcontroller.

[0023] The portable casing is also equipped with a keyboard, a display screen, and a buzzer. The keyboard is used to input setting information, the display screen is used to display inspection information, and the buzzer is used to issue an alarm for abnormalities. The input terminal of the keyboard is connected to the input terminal of the CPU, and the output terminal of the CPU is connected to the input terminals of the display screen and the buzzer, respectively.

[0024] The portable casing contains a ROM program memory, a RAM data memory, a FLASH program memory, a RAM memory, and an SD card data memory to store inspection information. The ROM program memory and RAM data memory are electrically connected to the microcontroller, while the FLASH program memory, RAM memory, and SD card data memory are electrically connected to the CPU.

[0025] The portable casing also includes a USB communication interface and an RS2325 communication interface for transmitting information with a host computer. The USB communication interface and the RS2325 communication interface are electrically connected to the CPU.

[0026] When in operation, this utility model is used in conjunction with an RFID card to determine the location and time information of on-site inspections. It collects temperature information at the location specified by the laser pointer through an infrared sensor and collects vibration information through an accelerometer connected via a coaxial interface. The inspection information is stored in the internal memory, and the inspection results are displayed on the screen. If any abnormality occurs during the inspection, an alarm is sounded through a buzzer to remind the staff to handle it in a timely manner.

Claims

1. A portable on-site inspection device, characterized in that: The device includes a portable casing with a signal acquisition terminal for collecting signals. Inside the casing are a microcontroller and a CPU for processing the acquired signals, and an energy storage battery for storing electrical energy. The output of the energy storage battery is connected to the power input of the microcontroller and the CPU, and the microcontroller and the CPU are connected via a data bus. The signal acquisition terminal includes an accelerometer for collecting vibration information, an infrared sensor for measuring temperature, and an RFID card reader for reading information from on-site RFID cards. The outputs of the accelerometer, infrared sensor, and RFID card reader are respectively connected to the input of the microcontroller. The portable casing includes a keyboard for inputting setting information, a display screen for displaying inspection information, and a buzzer for issuing abnormal alarms. The output of the keyboard is connected to the input of the CPU, and the output of the CPU is connected to the input of the display screen and the buzzer. The accelerometer is connected to a portable housing via a coaxial cable. The portable housing has a coaxial interface for connecting the coaxial cable. The coaxial interface is connected to a microcontroller via an amplification module, a multiplexer, and an A / D converter module connected in sequence. The input of the amplification module is connected to the coaxial interface, the output of the amplification module is connected to the input of the multiplexer, the output of the multiplexer is connected to the input of the A / D converter module, the output of the A / D converter module is connected to the input of the microcontroller, and the controlled end of the multiplexer is connected to the output of the microcontroller. The amplification module includes a charge amplifier, a velocity integrator, and a displacement integrator connected in series on a coaxial interface. The outputs of the charge amplifier, velocity integrator, and displacement integrator are respectively connected to a multiplexer.

2. The portable on-site inspection device according to claim 1, characterized in that: The infrared sensor is connected to the microcontroller via a series operational amplifier and an A / D converter module. The output of the infrared sensor is connected to the input of the operational amplifier, the output of the operational amplifier is connected to the input of the A / D converter module, and the output of the A / D converter module is connected to the input of the microcontroller.

3. The portable field inspection device of claim 1, wherein: The portable casing is equipped with a laser pointer for locating the temperature acquisition position, and the input end of the laser pointer is connected to the output end of the microcontroller.

4. The portable field inspection device of claim 1, wherein: The portable casing contains a ROM program memory, a RAM data memory, a FLASH program memory, a RAM memory, and an SD card data memory for storing inspection information. The ROM program memory and RAM data memory are electrically connected to the microcontroller, and the FLASH program memory, RAM memory, and SD card data memory are electrically connected to the CPU.

5. The portable field inspection device of claim 1, wherein: The portable casing is also equipped with a USB communication interface and an RS2325 communication interface for transmitting information with a host computer. The USB communication interface and the RS2325 communication interface are electrically connected to the CPU.

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