Wireless portable temperature rise itinerant detector

Abstract

The utility model discloses a wireless portable temperature rise itinerant detector, which belongs to the technical field of temperature rise detection and comprises a temperature rise measurement sub-module and a data terminal which are in wireless connection. The temperature rise measurement sub-module comprises a core control module, and a temperature acquisition module, a data storage module, a data display module and a first data transmission module which are respectively connected with the core control module, and the data terminal comprises a second data transmission module and a data processing module which are connected. A mature thermocouple integrated circuit technology is combined with a wireless transmission technology, and a measurement function and a data processing function are separated. Modularized design is carried out, the temperature rise inspection instrument is provided with a plurality of temperature rise measurement sub-modules and a data terminal, and the functions of online detection, remote detection, automatic transmission and the like of a temperature rise test are jointly achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of temperature rise detection, and particularly relates to a wireless portable temperature rise inspection instrument. Background Technique

[0002] The statements in this part only provide background technical information related to the present disclosure, and do not necessarily constitute prior art.

[0003] Electricity is an important indicator of the quality of electrical products. The temperature rise test is a necessary test item in the CCC certification process of each electrical appliance, which can judge whether the product quality of the electrical appliance is qualified and check whether there are safety loopholes in the components of the electrical appliance. The temperature rise inspection instrument is a necessary detection device in the temperature rise test process. Its ease of use and convenience are directly related to the preparation time and wiring complexity of the temperature rise test, and its accuracy is also directly related to the accuracy of the temperature rise test data.

[0004] However, the existing temperature rise measurement devices currently have problems such as high hardware correlation and easy damage to the devices. Especially for the measurement interface circuit part, a certain degree of device repair work often needs to be carried out after each test. After the repair, work such as reconfirming the accuracy also needs to be faced. The accuracy also needs to be improved. For each set of devices with 16-channel measurements, often multiple channels cannot meet the standard requirements, which not only wastes resources but also brings greater potential safety hazards to the detection quality. The devices are bulky and not easy to use. Each time, a long time of preparation is required, which greatly prolongs the temperature rise test time. Summary of the Utility Model

[0005] In order to solve the technical problems existing in the prior art, the utility model provides a wireless portable temperature rise inspection instrument. In view of the large defects of the existing temperature rise inspection instrument, it is redesigned. Through modular design and the introduction of wireless transmission technology, the durability, convenience and intelligence of the temperature inspection instrument are comprehensively improved, the preparation time of the temperature rise test is significantly shortened, and the measurement accuracy is improved.

[0006] To achieve the above object, the utility model is realized by the following technical solutions:

[0007] A wireless portable temperature rise inspection instrument includes a temperature rise measurement sub-module and a data terminal connected wirelessly. The temperature rise measurement sub-module includes a core control module and a temperature acquisition module, a data storage module, a data display module, and a first data transmission module respectively connected to the core control module. The data terminal includes a second data transmission module and a data processing module connected thereto;

[0008] The temperature rise measurement sub-module includes a housing. An external enhanced antenna is fixedly installed on the top of the housing. A plurality of thermocouple interfaces are embedded on one side surface of the housing. A power supply port, a start / stop button and a status light array are embedded from left to right at the bottom of the housing.

[0009] Further technical solution: The temperature acquisition module uses a thermocouple sensor.

[0010] Further technical solution: The temperature rise measurement sub-module adopts a magnet or a suspended portable design.

[0011] Further technical solution: The suspended type is fixedly provided with mounting holes at the four corners of the housing.

[0012] Further technical solution: A main control board is installed inside the housing. On one side of the main control board close to the thermocouple interface, a plurality of thermocouple sensors are fixedly provided, and the thermocouple sensors are tightly connected to the thermocouple interface.

[0013] Further technical solution: A control interface is fixedly provided beside the same side of the thermocouple sensor, and a plurality of power amplifier chips are fixedly provided beside the side of the thermocouple sensor far from the thermocouple interface.

[0014] Further technical solution: On the side of the main control board far from the thermocouple interface, an internal antenna, a duplex module and a main control chip are fixedly arranged in sequence, and there is a certain distance between them.

[0015] Further technical solution: A battery compartment is fixedly arranged at the bottom of the main control board.

[0016] Further technical solution: One side of the battery compartment is fixedly connected with a power supply board. One end of the power supply board is fixedly provided with a control interface and extends through the upper main control board. An interface board is also fixedly provided beside the side of the power supply board far from the battery compartment.

[0017] Further technical solution: The data terminal is wirelessly connected to the first data transmission module of the temperature rise measurement sub-module through the second data transmission module.

[0018] Advantages of the present utility model:

[0019] In view of the large defects of the existing temperature rise inspection instrument, the present utility model is redesigned. Through modular design and the introduction of wireless transmission technology, the durability, convenience and intelligence of the temperature inspection instrument are comprehensively improved, the preparation time for the temperature rise type test is significantly shortened, and the measurement accuracy is improved.

[0020] The present utility model adopts the mature thermocouple integrated circuit technology combined with the wireless transmission technology to separate the measurement and data processing functions. And modular design is carried out. The temperature rise inspection instrument is set as several temperature rise measurement sub-modules and a data terminal, which jointly realize functions such as on-line detection, remote detection and automatic transmission of the temperature rise test. Description of the drawings

[0021] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model.

[0022] Figure 1 It is a module architecture diagram of the temperature rise inspection instrument in the embodiment of the present utility model;

[0023] Figure 2 It is an external structure diagram of the temperature rise inspection instrument in the embodiment of the present utility model;

[0024] Figure 3 It is an internal structure diagram of the temperature rise inspection instrument in the embodiment of the present utility model;

[0025] Figure 4 It is a battery compartment structure diagram of the temperature rise inspection instrument in the embodiment of the present utility model;

[0026] Figure 5 It is an internal cross-sectional view of the temperature rise inspection instrument in the embodiment of the present utility model.

[0027] Among them, 1 - housing, 2 - external enhanced antenna, 3 - thermocouple interface, 4 - power port, 5 - start / stop button, 6 - status light array, 7 - mounting hole, 8 - power amplifier chip, 9 - control interface, 10 - main control board, 11 - built-in antenna, 12 - duplex module, 13 - main control chip, 14 - battery compartment, 15 - power board, 16 - interface board, 17 - fixing post, 18 - battery compartment fixing post, 19 - interface board fixing post. Detailed implementation manners

[0028] The following further describes the present utility model in conjunction with the accompanying drawings and specific embodiments.

[0029] See Figure 1 As shown, the embodiment of the present utility model provides a wireless portable temperature rise inspection instrument, which includes a temperature rise measurement sub-module and a data terminal connected wirelessly. The temperature rise measurement sub-module includes a core control module and a temperature acquisition module, a data storage module, a data display module, and a first data transmission module respectively connected to the core control module. The data terminal includes a second data transmission module and a data processing module connected thereto.

[0030] In this embodiment, the wireless portable temperature rise inspection instrument can be applied to the on-line detection of transformers and high-voltage switchgear, and can also be extended to the on-line temperature rise detection and remote monitoring of key power equipment such as transformers and switch cabinets in the power department. At the same time, it can provide services for the temperature rise tests in the CCC inspections of products such as household appliances, power tools, various motors, and medical devices.

[0031] It should be noted that the temperature rise measurement sub-module, and the temperature acquisition module, data processing module, data transmission module, core control module, data display module, and data storage module of the data terminal in the wireless portable temperature rise inspection instrument are all implemented using existing electrical components, and do not involve improvements in software programs.

[0032] In this embodiment, the temperature rise measurement sub-module is used for on-line detection, remote detection, and automatic wireless transmission of temperature rise data. The temperature acquisition module in the temperature rise measurement sub-module is detected using a mature high-temperature resistant thermocouple sensor, which converts the temperature signal into an electrical signal. It uses 8-channel acquisition channels or 16-channel acquisition channels, and can continuously detect without stopping under various complex working conditions in the target device to be measured. The sensor can maintain stable performance in a high-temperature environment, and can also obtain temperature data in real time during the operation of the device without stopping or interrupting production, which is convenient for real-time monitoring of the device.

[0033] Multiple temperature rise measurement sub-modules are provided. Through miniaturized, modular, magnet or hanging portable designs, the time for arranging measurement points will be significantly shortened, the progress of the test will be accelerated, and the test efficiency will be improved.

[0034] The external structure of the temperature rise measurement sub-module is as Figure 2 shown, including a housing 1. An external enhanced antenna 2 is fixedly installed on the top of the housing 1. A plurality of thermocouple interfaces 3 are embedded on one side surface of the housing 1. A power port 4, a start / stop button 5, and a status light array 6 are embedded from left to right at the bottom of the housing 1. The thermocouple interface 3 refers to the connection interface of each thermocouple sensor. The status light array 6 shows whether the connection status of each thermocouple sensor is good. If the connection is loose and poor, it shows red; if the connection is normal and good, it shows green.

[0035] Mounting holes 7 are fixedly arranged at the four corners of the housing 1, which are used to hang and fix the temperature rise measurement sub-module at the corresponding deployed positions to realize temperature detection of the target device to be measured. In some embodiments, a magnet is provided on the back of the housing 1, and it can be adsorbed on the target device to be measured through the magnet.

[0036] As Figure 3As shown in the figure, a main control board 1 is installed inside the housing 1. On one side of the main control board 1 close to the thermocouple interface 3, a plurality of thermocouple sensors are fixedly arranged. The thermosensitive elements of the thermocouple sensors (formed by welding two different metal alloy wires or wires) pass through the thermocouple interface 3 and are connected to the key positions of the target device to be measured outside the housing, so as to measure the temperature at each key position. A control interface 9 is fixedly arranged beside the same side of the thermocouple sensor, and a plurality of power amplifier chips 8 are fixedly arranged beside the side of the thermocouple sensor far from the thermocouple interface 3. On the side of the main control board 1 far from the thermocouple interface 3, an internal antenna 11, a duplex module 12 and a main control chip 13 are fixedly arranged in sequence, and there is a certain distance between them. The control interface 9 connects the main control board 1 and the power supply board 15, and this control interface is mainly used by the main control board to monitor the state of the power supply board.

[0037] The power amplifier chip 8 plays a role in signal amplification to ensure that the weak signal obtained from the sensor can be effectively amplified for subsequent processing. The duplex module 12 allows the temperature rise inspection instrument to receive and send data simultaneously. Compared with simplex communication, the duplex module 12 can significantly improve the data transmission efficiency. The main control chip 13 is the core control module in the temperature rise measurement sub-module, responsible for the operation and control of the overall sub-module. Through the control of the main control chip 13, the temperature rise measurement sub-module can automatically perform operations such as temperature measurement, data storage, and automatic wireless transmission without manual intervention; the main control chip 13 can display the temperature data in real time by connecting to the data display module, which is convenient for users to observe.

[0038] The core control module of the temperature rise measurement sub-module uses a chip of the STC15W204S model to process the received electrical signals and perform analog-to-digital conversion as the central processing unit.

[0039] As Figure 4 、 Figure 5 shown, a battery compartment 14 is fixedly arranged at the bottom of the main control board 1. One side of the battery compartment 14 is fixedly connected to a power supply board 15. One end of the power supply board 15 is fixedly provided with a control interface 9 and extends out through the upper main control board 1. On the side of the power supply board 15 far from the battery compartment 14, an interface board 16 is also fixedly arranged. The corresponding interfaces of the interface board 16 correspond to the corresponding interface positions provided on the housing 1. The four corners at the bottom of the main control board 1 are fixedly connected to the bottom wall of the housing 1 through fixing columns 17 to realize the fixed support of the main control board 1; the four corners at the bottom of the battery compartment 14 are fixedly connected to the bottom wall of the housing 1 through battery compartment fixing columns 18 to realize the fixed support of the battery compartment 14; the four corners on one side of the interface board 16 are fixedly connected to a width side wall of the housing 1 through interface board fixing columns 19 to realize the fixed setting of the interface board 16.

[0040] The interface board 16 allows the temperature rise measurement submodule to be connected to other external devices, increasing the expansibility and functionality of the submodule. The main control board 1, the battery compartment 14 and the interface board 16 are arranged as independent modules and connected to the housing 1 through corresponding fixing columns, which facilitates the assembly, maintenance and upgrading of the submodule.

[0041] In this embodiment, the data terminal is wirelessly connected to the first data transmission module of multiple temperature rise measurement submodules through the second data transmission module, so that the measurement data of the temperature rise measurement submodule is transmitted back to the corresponding data terminal in real time through the wireless protocol. The data processing module in the data terminal automatically parses the returned data packets and classifies the data, realizing the functions of remote detection, automatic transmission, and automatic summary analysis.

[0042] The data terminal and the temperature rise measurement submodule mainly use 4G channels and Wi-Fi ad hoc networks for transmission. Wireless transmission is used to separate the measurement and data processing functions in the wireless portable temperature rise inspection instrument, reducing the coupling degree of hardware devices, which not only improves the usability of the equipment, but also reduces the overall failure rate of the equipment and improves the durability of the equipment. In addition, the test personnel no longer need to copy the temperature rise data at a close distance at regular intervals, which improves the safety of the test personnel.

[0043] If the data terminal and the temperature rise measurement submodule are connected by wire, poor contact is likely to occur at the joint due to the complex environment such as high temperature and high humidity in the measurement environment. The wireless transmission method can effectively avoid this phenomenon, improve reliability to a certain extent, and reduce the failure rate to a certain extent. At the same time, the miniaturized temperature rise measurement submodule integrates the wireless transmission function, which saves a lot of connecting wires compared to wired transmission. It is more flexible to choose the installation and placement position of the temperature rise measurement submodule on the target to be measured. Compared with wired transmission, it effectively avoids the interference of complex environments on long cables, so that the measurement range of the temperature rise measurement submodule is no longer restricted by the length of the thermocouple measurement line, and it also reduces the measurement error and improves the accuracy of the data.

[0044] In this embodiment, the real-time temperature rise data of each temperature rise measurement submodule can be directly accessed on the smartphone, which improves the overall intelligence of the device. After actual use, it can be extended to detection links in different fields and applied to a variety of complex measurement occasions. In other words, the data returned in real time by the temperature rise measurement submodule is analyzed and classified by the data terminal and stored in the server database. The server database can be accessed through the mobile phone application or the computer application to view the temperature rise data.

[0045] Working principle details:

[0046] When a temperature rise test is carried out on an electrical equipment, a temperature rise measurement sub-module is installed at the key positions of the target equipment to be tested, the temperature rise measurement sub-module and its wireless connection with the data terminal are checked, the equipment to be tested is started to run according to the test requirements, each temperature rise measurement sub-module detects the temperature rise data at the corresponding position, and transmits it to the data terminal by wireless transmission. The data terminal automatically analyzes the returned data packets and classifies the data, which can realize the remote detection, automatic transmission and automatic summary analysis of the temperature rise data of the target equipment to be tested.

[0047] Although the specific implementation manners of the present invention are described above in conjunction with the accompanying drawings, it is not a limitation to the protection scope of the present invention. Those skilled in the art should understand that, based on the technical solutions of the present invention, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the present invention.

Claims

1. A wireless portable temperature rise inspection instrument, characterized in that: It includes a wirelessly connected temperature rise measurement submodule and a data terminal, wherein the temperature rise measurement submodule includes a core control module and a temperature acquisition module, a data storage module, a data display module, and a first data transmission module respectively connected to the core control module, and the data terminal includes a connected second data transmission module and a data processing module; The temperature rise measurement submodule includes a shell, an external enhanced antenna is fixedly installed on the top of the shell, a plurality of thermocouple interfaces are embedded on one side of the shell, and a power port, a start / stop button and a status light array are embedded on the bottom of the shell from left to right.

2. A wireless portable temperature rise inspection instrument as claimed in claim 1, characterized in that: The temperature acquisition module adopts a thermocouple sensor.

3. A wireless portable temperature rise inspection instrument as claimed in claim 1, characterized in that: The temperature rise measurement submodule adopts a portable design of magnet or suspension.

4. A wireless portable temperature rise inspection instrument as claimed in claim 3, characterized in that: The hanging type is fixedly provided with mounting holes at the four corners of the shell.

5. A wireless portable temperature rise inspection instrument as claimed in claim 1, characterized in that: A main control board is installed inside the shell, and a plurality of thermocouple sensors are fixedly arranged on one side of the main control board close to the thermocouple interface, and the thermocouple sensors are tightly connected to the thermocouple interface.

6. A wireless portable temperature rise inspection instrument as claimed in claim 5, characterized in that: A control interface is fixedly arranged on the same side of the thermocouple sensor, and a plurality of power amplifier chips are fixedly arranged on a side of the thermocouple sensor away from the thermocouple interface.

7. A wireless portable temperature rise inspection instrument as claimed in claim 5, characterized in that: A built-in antenna, a duplex module and a main control chip are fixedly arranged in sequence on a side of the main control board away from the thermocouple interface, and are spaced a certain distance from each other.

8. A wireless portable temperature rise inspection instrument as claimed in claim 5, characterized in that: A battery compartment is fixedly arranged at the bottom of the main control board.

9. A wireless portable temperature rise inspection instrument as claimed in claim 8, characterized in that: A power board is fixedly connected to one side of the battery compartment, a control interface is fixed on one end of the power board and extends through the main control board on its upper portion, and an interface board is also fixedly arranged on the side of the power board away from the battery compartment.

10. A wireless portable temperature rise inspection instrument as claimed in claim 1, characterized in that: The data terminal is wirelessly connected to the first data transmission module of the temperature rise measurement submodule through the second data transmission module.

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