Portable temperature sensor

Abstract

The utility model discloses a portable temperature sensor, which comprises a main body, a front sleeve cover, a tail screw cover, rubber rings, a tower-shaped spring, a battery, a circuit board, a spring and a USB port, the main body is cylindrical, the front sleeve cover and the tail screw cover are respectively connected with threads on the main body in a screwing way, the rubber rings are respectively sleeved on the tail screw cover and the USB port, and the tower-shaped spring is arranged on the tail screw cover. The circuit board is fixedly connected with the USB port, the spring is fixed on the circuit board, and the tower-shaped spring is clamped on threads of the tail screw cap and is sealed by rotating a rectangular groove in the tail screw cap. The utility model has the advantages of small volume and high safety and reliability, is convenient to carry and use, and meets the use requirements in different environments because the shell is made of special alloy materials; and meanwhile, the wireless USB port is adopted, so that the temperature data in the wireless USB port can be extracted without the aid of specific data reading equipment, the data transmission is facilitated, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature sensors, in particular to a portable temperature sensor. Background Art

[0002] A temperature sensor is a device specifically used for measuring, recording, and transmitting data in a variety of different environments. It is widely used in temperature detection and recording in fields such as cold storage and food preservation, environmental monitoring, and warehouse temperature monitoring. With the implementation of the HACCP certification, higher requirements are put forward for temperature recording. Some sensors currently seen on the market have problems such as short battery life, poor waterproof performance, and inconvenient portability and use, and cannot meet the measurement requirements for long time and multiple occasions. Content of the Utility Model

[0003] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a portable temperature sensor to solve the problems raised in the above background art.

[0004] A portable temperature sensor includes a main body, a front cover, a tail screw cap, a rubber ring, a tower spring, a battery, a circuit board, a spring, and a USB port. The main body is cylindrical. The front cover and the tail screw cap are respectively screwed onto the threads on the main body. The tail screw cap and the USB port are respectively sleeved with the rubber ring. The circuit board is fixedly connected to the USB port. The spring is fixed on the circuit board. The tower spring is clamped onto the thread of the tail screw cap and is sealed by rotating the rectangular groove on the tail screw cap.

[0005] Further, the main body is divided into two sections. The upper section is coated with the circuit board, and the lower section is coated with the battery.

[0006] Further, the battery is encapsulated with high-temperature resistant materials to ensure the stability and safety of the battery in high-temperature environments.

[0007] Further, one end of the positive electrode of the battery contacts the circuit board, and one end of the negative electrode contacts the tower spring. And the spring realizes the connection between one end of the negative electrode and the circuit board by contacting the main body.

[0008] Further, a part of the USB port is exposed outside the main body and is sealed by rotating the front cover.

[0009] Further, a temperature sensor, a storage chip, a main control chip, and a USB communication chip are arranged on the circuit board.

[0010] Temperature sensor, which is used for measuring temperature data.

[0011] A storage chip with a large storage capacity, and the read temperature data is stored in the storage chip.

[0012] A main control chip, which is respectively connected to the temperature sensor and the storage chip, and reads the temperature data by using the IIC transmission protocol.

[0013] A USB communication chip reads the temperature data in the storage chip through the transmission protocol of the main control chip and sends it to the USB communication chip, and the USB communication chip is responsible for transmitting the data to the USB port.

[0014] Furthermore, the rubber ring can fill and seal the gap between the joint surfaces of the front cover and the tail screw cap, preventing external liquid from penetrating into the instrument and ensuring the tightness of the instrument.

[0015] Furthermore, the main body, the front cover and the tail screw cap are connected to form the body shell, and the shell material is food-grade high-temperature resistant metal, with high safety and reliability.

[0016] The beneficial effects of the present utility model are as follows: (1) The main body and the tail screw cap are connected by screw thread and are equipped with a sealing rubber ring to ensure the tightness and stability of the connection at high temperatures, and it can be used in humid or underwater environments. (2) The present utility model is small in size and convenient to carry around. It adopts a wireless USB port, is easy to operate, does not require a specific data reading device to extract the internal temperature data, and the data will not be lost even in the case of power failure, greatly facilitating the recording and storage of data and making the data analysis function more convenient. (3) The outer shells of the present utility model are all made of special alloy materials, and the internal battery is encapsulated with high-temperature resistant materials, meeting the usage requirements in various environments. Especially in high-temperature and high-humidity environments, it can also maintain good stability, is not easy to produce harmful substances, has high safety and reliability, and has a long service life. Description of the Drawings

[0017] Figure 1 It is an exploded view of a portable temperature sensor according to the present utility model;

[0018] Figure 2 It is a sectional view of a portable temperature sensor according to the present utility model;

[0019] Figure 3 It is a schematic diagram of the overall structure of a portable temperature sensor according to the present utility model.

[0020] In the figure: 1, main body; 2, front cover; 3, tail screw cap; 4, rubber ring; 5, tower spring; 6, battery; 7, circuit board; 8, spring; 11, temperature sensor; 16, main control chip; 19, storage chip; 22, USB communication chip; 33, USB port. Detailed Embodiment

[0021] The following will describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present utility model. Please refer to Figures 1 to 3 , a portable temperature sensor, comprising a main body 1, a front cover 2, a tail screw cap 3, a rubber ring 4, a tower spring 5, a battery 6, a circuit board 7, a spring 8 and a USB port 33. The main body 1 is cylindrical. The front cover 2 and the tail screw cap 3 are respectively screwed onto the threads on the main body 1. The tail screw cap 3 and the USB port 33 are respectively sleeved with the rubber ring 4. The circuit board 7 is fixedly connected to the USB port 33. The spring 8 is fixed on the circuit board 7. The tower spring 5 is clamped onto the thread of the tail screw cap 3 and is sealed by rotating the rectangular groove on the tail screw cap 3.

[0022] The main body 1 is divided into two sections. The upper section is covered with the circuit board 7, and the lower section is covered with the battery 6.

[0023] The battery 6 is encapsulated with high-temperature resistant materials to ensure the stability and safety of the battery 6 in a high-temperature environment.

[0024] Among them, one end of the positive electrode of the battery 6 is in contact with the circuit board 7, and one end of the negative electrode is in contact with the tower spring 5. And the spring 8 is in contact with the main body 1, so as to realize the connection between one end of the negative electrode and the circuit board 7.

[0025] Part of the USB port 33 is exposed outside the main body 1 and is sealed by rotating the front cover 2.

[0026] The circuit board 7 is provided with a temperature sensor 11, a storage chip 19, a main control chip 16 and a USB communication chip 22.

[0027] The rubber ring 4 can fill and seal the gap of the sealing joint surface of the front cover 2 and the tail screw cap 3, avoid the penetration of external liquid into the instrument, and ensure the sealing performance of the instrument.

[0028] The main body 1, the front cover 2 and the tail screw cap 3 are connected to form a body shell. The shell material is food-grade high-temperature resistant metal, with high safety and reliability.

[0029] Among them, the working principle of the present utility model is as follows: during use, the high-precision digital temperature sensor 11 measures the temperature to ensure the accuracy of the temperature data. The measured temperature data is first read by the main control chip 16 through the IIC transmission protocol and stored in the storage chip 19 on the circuit board 7. The main control chip 16 uses its transmission protocol to transmit the temperature data to the USB communication chip 22, and then transmits the data to the USB port 33. The USB port 33 establishes a connection with the USB port of the PC through the serial port to USB technology to achieve serial communication of the data, and the data is sent to the PC in the serial communication mode. The PC software obtains the serial port data of the PC to display the data in real time and perform graphical analysis and processing of the data.

[0030] In the description of the present utility model, the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and does not require the present utility model to be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present utility model. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0031] It should be stated that the above-described embodiments only describe the implementation methods of the present utility model. For those skilled in the art, without departing from the principles and scope of the present utility model, it can be used in various other combinations, modifications and environments, and these should all be within the protection scope of the appended claims of the present utility model.

Claims

1. A portable temperature sensor, characterized in that: The utility model comprises a main body, a front cover, a tail screw cover, a rubber ring, a conical spring, a battery, a circuit board, a spring and a USB port. The main body is cylindrical. The front cover and the tail screw cover are respectively screwed together with the threads on the main body. The tail screw cover and the USB port are respectively covered with the rubber ring. The circuit board is fixedly connected with the USB port. The spring is fixed on the circuit board. The conical spring is clamped on the threads of the tail screw cover and is sealed by rotating the rectangular groove on the tail screw cover.

2. A portable temperature sensor according to claim 1, characterized in that: The main body is divided into two sections, the upper section is covered with the circuit board, and the lower section is covered with the battery.

3. A portable temperature sensor according to claim 2, characterized in that: The battery is packaged with high temperature resistant materials to ensure the stability and safety of the battery in a high temperature environment.

4. A portable temperature sensor according to claim 3, characterized in that: One end of the positive electrode of the battery contacts the circuit board, and one end of the negative electrode contacts the conical spring. The spring contacts the main body, thereby realizing the connection between the negative electrode end and the circuit board.

5. A portable temperature sensor according to claim 1, characterized in that: The USB port portion is exposed outside the main body and is sealed by rotating the front cover.

6. A portable temperature sensor according to claim 1, characterized in that: The circuit board is provided with a temperature sensor, a storage chip, a main control chip and a USB communication chip.

7. A portable temperature sensor according to claim 1, characterized in that: The rubber ring can fill and seal the gap between the front cover and the tail screw cover to prevent external liquid from penetrating into the instrument, thereby ensuring the sealing of the instrument.

8. A portable temperature sensor according to claim 1, characterized in that: The main body, the front cover and the rear screw cover are connected to form a body shell, and the shell is made of food-grade high-temperature resistant metal with high safety and reliability.

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