CN212206380U

CN212206380U - Infrared temperature sensor with 4m-20mA output

Info

Publication number: CN212206380U
Application number: CN202020692431.XU
Authority: CN
Inventors: 彭华; 王宝英
Original assignee: Chongqing College of Electronic Engineering
Current assignee: Chongqing College of Electronic Engineering
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-22
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses an infrared temperature sensor with 4m-20mA output, including control box, alarm and antenna, there is the apron control box one side through the screw connection, apron top one side is provided with the alarm, alarm one side is provided with the antenna, the alarm with the apron passes through the screw connection, the antenna with the apron is pegged graft, the shaping has electrical socket on the apron lateral wall. Has the advantages that: the utility model discloses can be through wireless communication module and outside wireless network connection, the data information who detects sends the server of distal end, can look over through the real-time calling of outside removal end APP, satisfies the demand that anytime and anywhere temperature data looked over, convenient and practical can be when unexpected outage simultaneously, and backup battery can provide the backup power and support, can ensure when unexpected power failure, satisfies this infrared temperature sensor's normal power supply.

Description

Infrared temperature sensor with 4m-20mA output

Technical Field

The utility model belongs to the technical field of temperature sensor, concretely relates to infrared temperature sensor with 4m-20mA output.

Background

The heat sensor utilizes the radiation heat effect to lead the temperature of the detecting device to rise after receiving the radiation energy, thereby leading the performance of one column in the sensor and the temperature to change. Radiation can be detected by detecting a change in one of the properties. In most cases, radiation is detected by the seebeck effect, and when the device receives radiation, the device causes physical change of non-electricity, and can also be changed into electricity through proper change to perform measurement.

However, most of the existing infrared temperature sensors do not have a remote checking function in the using process, temperature information is inconvenient to check remotely, meanwhile, when power is off accidentally, the infrared temperature sensors are powered off and stop working, and when the measured temperature exceeds a preset range, the infrared temperature sensors do not have an alarm function, so that the infrared temperature sensors with 4m-20mA output are provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an infrared temperature sensor with 4m-20mA output to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an infrared temperature sensor with 4m-20mA output, includes control box, alarm and antenna, control box one side has through the screw connection the apron, apron top one side is provided with the alarm, alarm one side is provided with the antenna, the alarm with the apron passes through screw connection, the antenna with the apron is pegged graft, the shaping has electrical socket on the apron lateral wall, the electrical socket below is provided with the WLAN socket, be connected with display screen through the draw-in groove on another lateral wall of apron, the display screen below is provided with the operating button, the operating button both sides all are provided with the speaker, the operating button and display screen with the apron all connects through the draw-in groove, the apron with the speaker passes through screw connection.

Preferably, a transmission line is arranged on one side wall of the cover plate and close to the lower part of the WLAN jack, an infrared temperature measuring probe is electrically connected to the other end of the transmission line, and the output current of the infrared temperature measuring probe is 4m-20 mA.

Preferably, a fixing plate is arranged on the infrared temperature measuring probe, the fixing plate is of an L-shaped structure, a fixing hole is formed in the fixing plate, a fixing nut is arranged on one side, close to the fixing plate, of the infrared temperature measuring probe, and the infrared temperature measuring probe is connected with the fixing plate through the fixing nut.

Preferably, inside one side of control box is provided with backup battery, the backup battery below is provided with power module, backup battery and power module with the control box all passes through bolted connection.

Preferably, the middle part of the control box body is connected with a main control board through a screw, and the middle part above the main control board is connected with a microprocessor through tin soldering.

Preferably, an infrared temperature measuring chip is arranged on one side of the microprocessor and connected with the main control board through soldering.

Preferably, a wireless communication module is arranged on one side of the infrared temperature measurement chip, the wireless communication module is connected with the main control board through tin soldering, and the wireless communication module is electrically connected with the antenna.

Preferably, a data storage module is arranged below the infrared temperature measurement chip, a charge and discharge control module is arranged on one side of the data storage module, and the charge and discharge control module, the data storage module and the main control board are connected through tin soldering.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model can be connected with an external wireless network through the wireless communication module, send detected data information to a server at a far end, can be called and checked in real time through an external mobile terminal APP, meet the requirement of checking temperature data anytime and anywhere, and is convenient and practical;

(2) the utility model can provide backup power support when power is cut off accidentally, and can ensure that the normal power supply of the infrared temperature sensor is satisfied when power is cut off accidentally;

(3) the utility model discloses can be when being greater than or being less than predetermined temperature value when measuring temperature, through alarm sends alarm information, can play the effect of warning, suggestion.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional top view of the present invention;

fig. 3 is a schematic structural view of a fixing plate of the present invention;

fig. 4 is a circuit block diagram of the present invention.

In the figure: 1. a control box body; 2. a cover plate; 3. an alarm; 4. an antenna; 5. a power jack; 6. a WLAN socket; 7. a display screen; 8. a speaker; 9. operating a key; 10. a transmission line; 11. an infrared temperature measuring probe; 12. a fixing plate; 13. fixing a nut; 14. a fixing hole; 15. a backup battery; 16. a power supply module; 17. a main control board; 18. a microprocessor; 19. an infrared temperature measurement chip; 20. a wireless communication module; 21. A data storage module; 22. and a charge and discharge control module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides an infrared temperature sensor with 4m-20mA output, which comprises a control box body 1, an alarm 3 and an antenna 4, wherein one side of the control box body 1 is connected with a cover plate 2 through a screw, one side of the upper part of the cover plate 2 is provided with the alarm 3, one side of the alarm 3 is provided with the antenna 4, the alarm 3 is connected with the cover plate 2 through a screw, the antenna 4 is inserted with the cover plate 2, one side wall of the cover plate 2 is formed with a power jack 5, a WLAN jack 6 is arranged below the power jack 5, the other side wall of the cover plate 2 is connected with a display screen 7 through a clamping groove, an operation key 9 is arranged below the display screen 7, two sides of the operation key 9 are provided with a loudspeaker 8, the operation key 9 and the display screen 7 are connected with the cover plate 2 through clamping grooves, the cover plate 2 is connected, the power socket 5 is connected with an external power supply, the temperature sensor supplies power, the WLAN socket 6 is connected with an external limited network, and when the external temperature detected by the infrared temperature sensor is greater than or less than a preset temperature value, the alarm device 3 sends out alarm information to play roles of warning and prompting.

In this embodiment, preferably, a transmission line 10 is disposed on a side wall of the cover plate 2 near the bottom of the WLAN socket 6, another end of the transmission line 10 is electrically connected to an infrared temperature probe 11, an output current of the infrared temperature probe 11 is 4m-20mA, and the infrared temperature probe 11 includes components such as a laser sheet, a cap, a sensor, a socket, a high resistance, and a pin for detecting temperature, and is mainly used for measuring the temperature of a detection object.

In this embodiment, preferably, a fixing plate 12 is disposed on the infrared temperature measuring probe 11, the fixing plate 12 is an L-shaped structure, a fixing hole 14 is formed in the fixing plate 12, a fixing nut 13 is disposed on one side of the infrared temperature measuring probe 11, which is close to the fixing plate 12, the infrared temperature measuring probe 11 is connected to the fixing plate 12 through the fixing nut 13, and the infrared temperature measuring probe 11 can be fixed at a suitable position through the fixing hole 14 in the fixing plate 12.

In this embodiment, preferably, a backup battery 15 is disposed at one side inside the control box 1, a power module 16 is disposed below the backup battery 15, the backup battery 15 and the power module 16 are connected to the control box 1 by screws, the backup battery 15 can provide backup power support, so as to ensure that the normal power supply of the infrared temperature sensor is satisfied when power failure occurs accidentally, and the power module 16 can convert external ac power into dc power to be supplied to the infrared temperature sensor.

In this embodiment, preferably, the middle of the control box 1 is connected to a main control board 17 through a screw, the middle of the upper portion of the main control board 17 is connected to a microprocessor 18 through soldering, the microprocessor 18 is used for analyzing and processing data, and the model of the microprocessor 18 is MK-AOB 3202405T.

In this embodiment, preferably, an infrared temperature measurement chip 19 is disposed on one side of the microprocessor 18, the infrared temperature measurement chip 19 is connected to the main control board 17 by soldering, and the infrared temperature measurement chip 19 is mainly used for processing temperature information detected by the infrared temperature measurement probe 11.

In this embodiment, it is preferred, infrared temperature measurement chip 19 one side is provided with wireless communication module 20, wireless communication module 20 passes through the soldering with main control board 17 and is connected, wireless communication module 20 is connected with antenna 4 electricity, wireless communication module 20 can with outside wireless network connection, the server of far-end is sent to the data message that will detect, can look over through the real-time calling of outside removal end APP, satisfy the demand that anytime and anywhere temperature data looked over, convenient and practical, wireless communication module 20's model is NRF24L 01.

In this embodiment, preferably, a data storage module 21 is disposed below the infrared temperature measurement chip 19, a charge and discharge control module 22 is disposed on one side of the data storage module 21, the charge and discharge control module 22 and the data storage module 21 are connected to the main control board 17 through soldering, the data storage module 21 is used for storing data, and the charge and discharge control module 22 is used for controlling the charge and discharge processes of the backup battery 15.

The utility model discloses a theory of operation and use flow: when the infrared temperature sensor is used, the control box body 1 is fixed at a proper position, then the infrared temperature measuring probe 11 is fixed at a proper position through the fixing hole 14 on the fixing plate 12, the temperature information of an object to be measured is detected through the infrared temperature measuring probe 11, then the information is transmitted back to the infrared temperature measuring chip 19, the infrared temperature measuring chip 19 converts an input electric signal into corresponding temperature information and feeds the temperature information back to the microprocessor 18, the microprocessor 18 sends the temperature information to the display screen 7 and displays the temperature information in real time through the display screen 7, meanwhile, when the measured temperature is greater than or less than a preset temperature value, the alarm information is sent through the alarm 3, the functions of warning and prompting can be played, the loudspeaker 8 can be used for broadcasting the temperature information, the wireless communication module 20 is connected with an external wireless network, and the detected data information is sent to a remote server, can look over through the real-time calling of outside removal end APP, satisfy the demand that anytime and anywhere temperature data looked over, convenient and practical, when unexpected outage, reserve battery 15 can provide backup power and support, can ensure when unexpected power failure, satisfies this infrared temperature sensor's normal power supply, and power module 16 can convert the alternating current of outside to the direct current, supplies with this infrared temperature sensor and uses, and then accomplishes the temperature measurement operation to this infrared temperature sensor.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An infrared temperature sensor with 4m-20mA output is characterized in that: including control box (1), alarm (3), antenna (4) and apron (2), there is apron (2) control box (1) one side through the screw connection, apron (2) top one side is provided with alarm (3), alarm (3) one side is provided with antenna (4), alarm (3) with apron (2) pass through the screw connection, antenna (4) with apron (2) are pegged graft, the shaping has electrical socket (5) on apron (2) a lateral wall, electrical socket (5) below is provided with WLAN socket (6), be connected with display screen (7) through the draw-in groove on apron (2) another lateral wall, display screen (7) below is provided with operation button (9), operation button (9) both sides all are provided with speaker (8), operation button (9) and display screen (7) with apron (2) all connect through the draw-in groove The cover plate (2) is connected with the loudspeaker (8) through screws.

2. An infrared temperature sensor with 4m-20mA output as claimed in claim 1, wherein: a transmission line (10) is arranged on one side wall of the cover plate (2) and close to the lower portion of the WLAN socket (6), an infrared temperature measuring probe (11) is electrically connected to the other end portion of the transmission line (10), and the output current of the infrared temperature measuring probe (11) is 4m-20 mA.

3. An infrared temperature sensor with 4m-20mA output as claimed in claim 2, wherein: the infrared temperature measuring probe is characterized in that a fixing plate (12) is arranged on the infrared temperature measuring probe (11), the fixing plate (12) is of an L-shaped structure, a fixing hole (14) is formed in the fixing plate (12), a fixing nut (13) is arranged on one side, close to the fixing plate (12), of the infrared temperature measuring probe (11), and the infrared temperature measuring probe (11) is connected with the fixing plate (12) through the fixing nut (13).

4. An infrared temperature sensor with 4m-20mA output as claimed in claim 3, wherein: inside one side of control box (1) is provided with stand-by battery (15), stand-by battery (15) below is provided with power module (16), stand-by battery (15) and power module (16) with control box (1) all is through the screw connection.

5. An infrared temperature sensor with 4m-20mA output as claimed in claim 4, wherein: the middle part of the control box body (1) is connected with a main control board (17) through screws, and the middle part above the main control board (17) is connected with a microprocessor (18) through tin soldering.

6. An infrared temperature sensor with 4m-20mA output as claimed in claim 5, wherein: an infrared temperature measurement chip (19) is arranged on one side of the microprocessor (18), and the infrared temperature measurement chip (19) is connected with the main control board (17) through soldering.

7. An infrared temperature sensor with 4m-20mA output as claimed in claim 6, wherein: and a wireless communication module (20) is arranged on one side of the infrared temperature measurement chip (19), the wireless communication module (20) is connected with the main control board (17) through tin soldering, and the wireless communication module (20) is electrically connected with the antenna (4).

8. An infrared temperature sensor with 4m-20mA output as claimed in claim 7, wherein: the infrared temperature measurement device is characterized in that a data storage module (21) is arranged below the infrared temperature measurement chip (19), a charge and discharge control module (22) is arranged on one side of the data storage module (21), and the charge and discharge control module (22) and the data storage module (21) are connected with the main control board (17) through soldering.