Intelligent temperature and humidity field inspection instrument

Abstract

The utility model relates to the technical field of intelligent inspection, in particular to an intelligent temperature and humidity field inspection instrument, which comprises a sensor module, a data processing module, an NB-IoT (Narrow Band Internet of Things) communication module, a setting display module and an identification module, the NB-IoT communication module sends data processed by the data processing module to a remote server, the setting display module receives the data and state information transmitted by the data processing module and sends setting information of a user to the data processing module, and the identification module is connected with the data processing module. The identified positioning information is sent to the data processing module; the sensor module comprises a temperature / humidity sensor and a smoke sensor. According to the utility model, the temperature and humidity data can be quickly acquired in real time, and meanwhile, the data can be quickly arranged, so that quick inspection in a certain range is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent inspection, in particular to an intelligent temperature and humidity field inspection instrument. Background Art

[0002] Humidity field inspection meter is a professional instrument used to detect and record the temperature and humidity distribution in a specific area or equipment. The current humidity field inspection meter has several shortcomings:

[0003] 1) Insufficient real-time and monitoring capabilities: Traditional humidity field inspection instruments have data transmission lag issues and mainly rely on manual on-site data reading through USB interfaces, which cannot achieve real-time data transmission. In order to achieve the function of multi-point inspection, some humidity field inspection instruments have set up mobile structures, which are complex and cannot achieve simultaneous inspection of multiple locations. For large facilities or complex environments, it is impossible to ensure accurate association and positioning of data.

[0004] 2) It only provides temperature and humidity data, but its functions are relatively simple and its application scenarios are limited;

[0005] 3) It needs to be charged or equipped with corresponding batteries, which increases the complexity of use.

[0006] To address the above issues, more intelligent and automated functions need to be introduced to improve measurement efficiency and meet the ever-changing industry needs. Utility Model Content

[0007] The utility model provides an intelligent temperature and humidity field inspection instrument, which can quickly obtain temperature and humidity data in real time and can be quickly deployed to achieve rapid inspection within a certain range.

[0008] In order to achieve the purpose of the utility model, the technical solution adopted is: an intelligent temperature and humidity field inspection instrument, including a sensor module, a data processing module, an NB-IoT communication module, a setting display module and an identification module. The sensor module transmits the temperature and humidity data in the collected environment to the data processing module for processing, the NB-IoT communication module sends the data processed by the data processing module to a remote server, the setting display module receives the data and status information transmitted by the data processing module, and also sends the user's setting information to the data processing module. The identification module is connected to the data processing module and sends the identified positioning information to the data processing module; the sensor module includes a temperature / humidity sensor and a smoke sensor.

[0009] As an optimized solution of the present invention, the data processing module is an STM32F103 single chip microcomputer.

[0010] As an optimization solution of the present utility model, the NB-IoT communication module is a BC26 module, the RXD interface of the BC26 module U4 is connected to the TXD1 pin of the STM32F103 microcontroller, the TXD interface of the BC26 module U4 is connected to the RXD1 pin of the STM32F103 microcontroller, the SIM_VDD pin of the BC26 module U4 is connected to the SIM_VCC pin of the SIM card holder, the SIM_RST pin of the BC26 module U4 is connected to the SIM_RST pin of the SIM card holder, the SIM_CLK pin of the BC26 module U4 is connected to the SIM_CLK pin of the SIM card holder, and the SIM_DATA pin of the BC26 module U4 is connected to the SIM_IO pin of the SIM card holder.

[0011] As an optimized solution of the present invention, the temperature and humidity sensor is an SHT30 sensor. The SDA pin of the SHT30 sensor U3 is connected to the PB11 pin of the STM32F103 microcontroller, the SCL pin of the SHT30 sensor U3 is connected to the PB10 pin of the STM32F103 microcontroller, and the nRESET pin of the SHT30 sensor U3 is grounded through a series resistor R17 and a capacitor C9.

[0012] As an optimized solution of the present utility model, the identification module includes an NFC chip U2, the SDA_TX pin of the NFC chip U2 is connected to the PA3 pin of the STM32F103 microcontroller, and the SCL_RX pin of the NFC chip U2 is connected to the PA2 pin of the STM32F103 microcontroller.

[0013] As an optimization solution of the present invention, an NFC card is set at the inspection position of the intelligent temperature and humidity field inspection instrument, and the NFC contains location information and a corresponding ID number.

[0014] As an optimized solution of the present invention, the intelligent temperature and humidity field inspection instrument also includes a power management module, which supplies power to the sensor module, the data processing module, the NB-IoT communication module, the setting display module and the identification module. The power management module (6) includes a voltage stabilizing chip U1, a capacitor C6, a capacitor C7, a capacitor C8 and a capacitor C9. The second pin of the voltage stabilizing chip U1 is connected to the fourth pin of the voltage stabilizing chip U1. The third pin of the voltage stabilizing chip U1 is grounded through the parallel capacitors C6 and C7. The fourth pin of the voltage stabilizing chip U1 is grounded through the parallel capacitors C8 and C9.

[0015] The utility model has positive effects: 1) Through the integrated NB-IoT communication module, the inspection instrument can collect and transmit temperature and humidity data to a remote server in real time without manual intervention, greatly improving the timeliness of data and monitoring efficiency;

[0016] 2) The temperature and humidity monitoring system of this utility model also incorporates a smoke sensor, which allows the device to be used not only for environmental monitoring but also to warn of potential fire risks, broadening its application scenarios;

[0017] 3) The utility model is equipped with an NFC identification module, which allows the placement of NFC cards at each inspection point, including location information and ID numbers. This not only simplifies the inspection process but also ensures accurate association and positioning of data, enabling precise identification even in large or complex environments.

[0018] 4) The utility model ensures that each component receives a stable and appropriate voltage supply, reducing overall power consumption, extending operating time, and reducing the need for frequent charging or battery replacement;

[0019] 5) This utility supports rapid deployment, especially in areas that require frequent inspections, greatly simplifying the device setup and data reading process, reducing operational complexity, improving work efficiency, and enhancing user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0021] Figure 1 This is a principle block diagram of the utility model;

[0022] Figure 2 This is the circuit schematic diagram of the STM32F103 single chip microcomputer of the utility model;

[0023] Figure 3 This is the circuit schematic diagram of the NB-IoT communication module of the utility model;

[0024] Figure 4 This is the circuit schematic diagram of the temperature and humidity sensor of the utility model;

[0025] Figure 5 This is a circuit diagram of the identification module of the utility model;

[0026] Figure 6 This is a circuit diagram of the power management module of the utility model.

[0027] Among them: 1. Sensor module, 2. Data processing module, 3. NB-IoT communication module, 4. Setting display module, 5. Identification module, 6. Power management module. DETAILED DESCRIPTION

[0028] To make the above-mentioned purposes, features, and advantages of the present invention more clearly understood, the following detailed description of the specific embodiments of the present invention is given in conjunction with the accompanying drawings. It is obvious that the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in this field without creative work should fall within the scope of protection of the present invention.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0031] This invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing embodiments of the invention. Furthermore, these schematic diagrams are merely illustrative and should not limit the scope of protection of this invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0032] It should also be noted that in the description of this utility model, the terms "upper, lower, inner, and outer" and other references to orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] Unless otherwise specified or limited, the terms "mounted, connected, and connected" in this utility model should be understood broadly. For example, they can refer to fixed connection, detachable connection, or integral connection. They can also refer to mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0034] like Figure 1As shown, the utility model discloses an intelligent temperature and humidity field inspection instrument, comprising a sensor module 1, a data processing module 2, an NB-IoT communication module 3, a setting display module 4, and an identification module 5. The sensor module 1 transmits the collected temperature and humidity data to the data processing module 2 for processing. The NB-IoT communication module 3 transmits the processed data from the data processing module 2 to a remote server. The setting display module 4 receives the data and status information transmitted by the data processing module 2 and also transmits user settings to the data processing module 2. The identification module 5 is connected to the data processing module 2 and transmits the identified location information to the data processing module 2. The sensor module 1 includes a temperature / humidity sensor and a gas sensor. By using the NB-IoT communication module 3 to transmit the processed data from the data processing module 2 to the remote server, the instrument can read temperature, humidity, and smoke concentration data in real time and transmit the data to the remote server in real time, avoiding the lag of reading data via USB. Furthermore, compared to current methods that only test ambient temperature and humidity data, the addition of a smoke sensor can prevent fires and has a wide range of applications. The smoke sensor is an MQ-2 smoke sensor.

[0035] like Figure 2 As shown, the data processing module 2 is a STM32F103 microcontroller. The processor core of the STM32F103 microcontroller is ARM Cortex-M3, with a maximum operating frequency of 72MHz. It includes multiple USART, SPI, I 2 C, ADC, DAC, timer, PWM, CAN, USB and other interfaces, supporting multiple low-power modes, including stop mode and standby mode, to meet different energy-saving requirements.

[0036] like Figure 3 As shown, NB-IoT communication module 3 is a BC26 module. The RXD interface of BC26 module U4 is connected to the TXD1 pin of the STM32F103 microcontroller. The SIM_VDD pin of BC26 module U4 is connected to the SIM_VCC pin of the SIM card holder. The SIM_RST pin of BC26 module U4 is connected to the SIM_RST pin of the SIM card holder. The SIM_CLK pin of BC26 module U4 is connected to the SIM_CLK pin of the SIM card holder. The SIM_DATA pin of BC26 module U4 is connected to the SIM_IO pin of the SIM card holder. This module is compact, saving space in devices. It supports protocols such as TCP / IP, UDP, CoAP, and MQTT. The BC26 module significantly reduces power consumption by using small data volumes, long connections, and low-speed transmission. Compared to Wi-Fi, NB-IoT communication has the advantages of low power consumption and strong network coverage.

[0037] like Figure 4 As shown, the temperature and humidity sensor is a SHT30 sensor. The SDA pin of the SHT30 sensor U3 is connected to the PB11 pin of the STM32F103 microcontroller, and the SCL pin of the SHT30 sensor U3 is connected to the PB10 pin of the STM32F103 microcontroller. The nRESET pin of the SHT30 sensor U3 is grounded through a series resistor R17 and a capacitor C9. The working principle of the SHT30 is different from that of a traditional thermocouple. It uses a sensor chip based on CMOSens technology. The SHT30 sensor integrates signal processing circuits, including amplification, analog-to-digital conversion (ADC), and digital signal processing. After the temperature and humidity signals are converted into digital signals, they are transmitted through I 2 C interface output. SHT30 provides highly accurate temperature and humidity measurement. Power consumption is very low during operation.

[0038] like Figure 5 As shown, the identification module 5 includes an NFC chip U2, the SDA_TX pin of the NFC chip U2 is connected to the PA3 pin of the STM32F103 single-chip microcomputer, and the SCL_RX pin of the NFC chip U2 is connected to the PA2 pin of the STM32F103 single-chip microcomputer. An NFC card is set at the inspection position of the intelligent temperature and humidity field inspection instrument, and the NFC contains location information and a corresponding ID number. By setting the NFC card to set up multiple intelligent temperature field inspection instruments in the area that needs to be inspected, the complexity of setting up a mobile mechanism for the current temperature and humidity inspection instrument is solved. It can be deployed quickly, and the NFC card reading method is set at the same time. Compared with other QR code scanning methods, the design is simple and the cost is low. The location information and the corresponding ID number can be used to quickly locate and know the temperature, humidity and gas concentration data of the corresponding environment.

[0039] like Figure 6 As shown, the intelligent temperature and humidity field inspection instrument also includes a power management module 6, which supplies power to the sensor module 1, data processing module 2, NB-IoT communication module 3, setting display module 4, and identification module 5. The power management module 6 includes a voltage regulator chip U1, capacitors C6, C7, C8, and C9. The second pin of the voltage regulator chip U1 is connected to the fourth pin of the voltage regulator chip U1. The third pin of the voltage regulator chip U1 is grounded through parallel capacitors C6 and C7. The fourth pin of the voltage regulator chip U1 is grounded through parallel capacitors C8 and C9. Among them, the operating voltage of the display module 4 is set to 5V, and the operating voltage of the sensor module 1, data processing module 2, NB-IoT communication module 3, and identification module 5 is 3.3V. The voltage regulator chip U1 is set to AMS1117 to convert the 5V voltage to 3.3V for power supply. The display module 4 is set to a TFT touch screen for parameter setting and data display.

[0040] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present application.

[0041] Obviously, those skilled in the art may make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application is intended to include these modifications and variations.

Claims

1. Intelligent temperature and humidity field inspection instrument, characterized by: The system comprises a sensor module (1), a data processing module (2), an NB-IoT communication module (3), a setting display module (4) and an identification module (5); the sensor module (1) transmits temperature and humidity data in a collected environment to the data processing module (2) for processing; the NB-IoT communication module (3) transmits the data processed by the data processing module (2) to a remote server; the setting display module (4) receives the data and status information transmitted by the data processing module (2) and also transmits user setting information to the data processing module (2); the identification module (5) is connected to the data processing module (2) and transmits the identified positioning information to the data processing module (2); the sensor module (1) comprises a temperature / humidity sensor and a smoke sensor; and the data processing module (2) is an STM32F103 single chip microcomputer.

2. The intelligent temperature and humidity field inspection instrument according to claim 1 is characterized in that: The NB-IoT communication module (3) is a BC26 module, the RXD interface of the BC26 module U4 is connected to the TXD1 pin of the STM32F103 single-chip microcomputer, the TXD interface of the BC26 module U4 is connected to the RXD1 pin of the STM32F103 single-chip microcomputer, the SIM_VDD pin of the BC26 module U4 is connected to the SIM_VCC pin of the SIM card holder, the SIM_RST pin of the BC26 module U4 is connected to the SIM_RST pin of the SIM card holder, the SIM_CLK pin of the BC26 module U4 is connected to the SIM_CLK pin of the SIM card holder, and the SIM_DATA pin of the BC26 module U4 is connected to the SIM_IO pin of the SIM card holder.

3. The intelligent temperature and humidity field inspection instrument according to claim 2 is characterized in that: The temperature and humidity sensor is an SHT30 sensor. The SDA pin of the SHT30 sensor U3 is connected to the PB11 pin of the STM32F103 microcontroller, the SCL pin of the SHT30 sensor U3 is connected to the PB10 pin of the STM32F103 microcontroller, and the nRESET pin of the SHT30 sensor U3 is grounded through a series resistor R17 and a capacitor C9.

4. The intelligent temperature and humidity field inspection instrument according to claim 2, characterized in that: The identification module (5) includes an NFC chip U2, an SDA_TX pin of the NFC chip U2 is connected to a PA3 pin of the STM32F103 single chip microcomputer, and an SCL_RX pin of the NFC chip U2 is connected to a PA2 pin of the STM32F103 single chip microcomputer.

5. The intelligent temperature and humidity field inspection instrument according to claim 4 is characterized in that: An NFC card is set at the inspection position of the intelligent temperature and humidity field inspection instrument, and the NFC contains location information and a corresponding ID number.

6. The intelligent temperature and humidity field inspection instrument according to claim 5, characterized in that: The intelligent temperature and humidity field inspection instrument further includes a power management module (6), the power management module (6) supplies power to the sensor module (1), the data processing module (2), the NB-IoT communication module (3), the setting display module (4) and the identification module (5), the power management module (6) includes a voltage stabilizing chip U1, a capacitor C6, a capacitor C7, a capacitor C8 and a capacitor C9, the second pin of the voltage stabilizing chip U1 is connected to the fourth pin of the voltage stabilizing chip U1, the third pin of the voltage stabilizing chip U1 is grounded via the capacitors C6 and C7 connected in parallel, and the fourth pin of the voltage stabilizing chip U1 is grounded via the capacitors C8 and C9 connected in parallel.

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