CN213364055U - Temperature measuring instrument with infrared and thermocouple measurement functions - Google Patents
Temperature measuring instrument with infrared and thermocouple measurement functions Download PDFInfo
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- CN213364055U CN213364055U CN202022483676.4U CN202022483676U CN213364055U CN 213364055 U CN213364055 U CN 213364055U CN 202022483676 U CN202022483676 U CN 202022483676U CN 213364055 U CN213364055 U CN 213364055U
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Abstract
The utility model relates to a temperature measuring instrument with infrared and thermocouple measurement, which comprises a controller, a display screen, a key set, a trigger switch, a battery charging circuit, a power switch circuit and an instrument display circuit, the controller is connected the key group respectively electricity, switch circuit and instrument display circuit, switch circuit passes through trigger switch electric connection controller, switch circuit electricity is connected battery charging circuit, instrument display circuit electricity is connected the display screen, still include infrared inductor, the thermocouple interface, infrared ray temperature detection circuit and thermocouple detection circuit, the infrared inductor is connected through infrared ray temperature detection circuit electricity to the controller, infrared ray temperature detection circuit gathers infrared inductor's detected signal and converts into digital signal and gives the controller, the thermocouple interface is connected through thermocouple detection circuit electricity to the controller, the thermocouple interface is used for being connected with outside thermocouple.
Description
Technical Field
The utility model relates to a temperature measurement technical field, concretely relates to possess infrared and thermocouple measuring thermoscope.
Background
Two commonly used temperature measuring instruments in industry are provided, one is an infrared temperature measuring instrument, the other is a thermocouple temperature measuring instrument, the infrared temperature measuring instrument has the advantages that the infrared temperature measuring instrument does not need to contact industrial equipment, an opening on the equipment is not needed, the temperature measuring range is large, the temperature measuring precision is low, the thermocouple measuring has the advantage that the measuring precision is high, but the thermocouple measuring instrument has the disadvantage that the infrared temperature measuring instrument and the thermocouple temperature measuring instrument need to be opened on the equipment for use, the measuring range is narrow, different thermocouples need to be replaced for measuring in different temperature intervals, and users often need to purchase one infrared temperature measuring instrument and one thermocouple temperature measuring instrument to adapt to different temperature measuring requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hardware architecture who possesses infrared and thermocouple measuring thermoscope, hardware architecture are through software engineer's programming back, and thermocouple measurement function can be realized to this hardware architecture, also can realize infrared temperature measurement function.
The temperature measuring instrument with infrared and thermocouple measurement comprises a controller, a display screen, a key set, a trigger switch, a battery charging circuit, a power switch circuit and an instrument display circuit, wherein the controller is respectively and electrically connected with the key set, the power switch circuit and the instrument display circuit, the power switch circuit is electrically connected with the controller through the trigger switch, the power switch circuit is electrically connected with the battery charging circuit, the instrument display circuit is electrically connected with the display screen, the temperature measuring instrument further comprises an infrared inductor, a thermocouple interface, an infrared temperature measuring circuit and a thermocouple measuring circuit, the controller is electrically connected with the infrared inductor through the infrared temperature measuring circuit, the infrared temperature measuring circuit collects detection signals of the infrared inductor and converts the detection signals into digital signals to the controller, the controller is electrically connected with the thermocouple interface through the thermocouple measuring circuit, and the thermocouple interface is used for being connected with an external thermocouple, the thermocouple detection circuit collects detection signals of an external thermocouple and converts the detection signals into digital signals to the controller.
Furthermore, the device also comprises an audible alarm circuit which can give out alarm sound, and the audible alarm circuit is electrically connected with the controller.
Further, the backlight alarm circuit also comprises a backlight and a backlight alarm circuit which can emit red backlight and white backlight, and the controller is electrically connected with the backlight and the backlight alarm circuit.
Further, still include voice broadcast circuit and speaker, the controller and speaker are connected to the voice broadcast circuit electricity respectively, and the voice broadcast circuit converts the controller signal into corresponding audio signal and carries to the speaker broadcast.
Further, the device also comprises a memory, and the controller is electrically connected with the memory.
The USB interface is electrically connected with the computer connecting circuit and the battery charging circuit respectively, and the computer connecting circuit is electrically connected with the controller.
Further, the infrared sensor comprises a red laser indicator light, and the red laser indicator light and the infrared sensor are closely arranged and face the same direction.
Has the advantages that:
the utility model discloses possess infrared temperature measurement inductor and thermocouple interface simultaneously, possess infrared temperature detection circuit and thermocouple detection circuit on the circuit, make the thermoscope possess infrared temperature measurement function and thermocouple temperature measurement function simultaneously.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural view of the temperature measuring instrument of the present invention;
fig. 2 is a schematic structural view of another view angle of the temperature measuring device of the present invention;
FIG. 3 is a functional structure diagram of the infrared thermometer of the present invention;
fig. 4 is a circuit diagram of a battery charging circuit of the present invention;
fig. 5 is a circuit diagram of the power switching circuit of the present invention;
fig. 6 is a circuit diagram of the voice broadcasting circuit of the present invention;
fig. 7 is a circuit diagram of the acoustic alarm circuit of the present invention;
FIG. 8 is a circuit diagram of a backlight and backlight alarm circuit of the present invention;
fig. 9 is a circuit diagram of a thermocouple circuit of the present invention;
fig. 10 is a circuit diagram of the infrared temperature detection circuit of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1-2, the temperature measuring instrument of the present embodiment is mainly used for measuring temperature of industrial equipment, and includes a display screen 1, a key set 2, a trigger switch 3, an infrared sensor 4, a red laser indicator lamp 5, a USB interface (not shown), and a thermocouple interface 7.
Red laser pilot lamp 5 closely places and orientation same direction with infrared inductor 4, be used for instructing infrared inductor 4 and aim at the position of temperature measurement, display screen 1 is used for showing measurement result, it is used for user operation infrared indicator to press key group 2, trigger switch 3 is used for starting infrared inductor 4, only press trigger switch 3 down when measuring the target in order to start infrared inductor, make infrared inductor 4 only gather the data that need measure, and be in measuring at the moment after the non-electricity, USB interface 6 is used for connecting external terminal, thereby export the internal data and carry out the analysis on the external terminal, thermocouple interface 7 and thermocouple fixed connection, when needing to carry out the accurate temperature measurement to industrial equipment, insert thermocouple interface 7, use the thermocouple to carry out the accurate measurement to industrial equipment.
Referring to fig. 3, the temperature measuring device of this embodiment includes a battery charging circuit 13, a controller 11, and a programming port (not shown) electrically connected to the controller 11, a memory 12, a power switch circuit 14, a thermocouple detection circuit 15, a voice broadcast circuit 16, an infrared temperature detection circuit 17, an instrument display circuit 18, a backlight and backlight alarm circuit 19, an audio alarm circuit 20, and a computer connection circuit 21.
The recording port is positioned in the shell of the thermometer and used for upgrading or modifying software of the thermometer, the memory 12 is used for storing past historical measured values, the past historical measured values can be displayed on the display screen 1 after being called by a user, and when the thermometer is connected with a computer, the stored data can be output to computer analysis software for analysis.
Referring to fig. 4, the battery charging circuit 13 is connected to the USB interface, so as to obtain the 5V voltage input by the USB interface, and the battery charging circuit charges the battery by converting the voltage through the ME4055AM6G power management chip U5 to form a charging voltage output to the battery anode of the power switch circuit 14.
As shown in fig. 5, when the power switch K1 is pressed, the battery power or the USB input power inputs a signal to the controller 11, the controller 11 controls the thermometer to start up when the signal is first sent to the controller 11, the controller 11 measures the temperature when the signal is second sent to the controller 11, and the controller 11 automatically shuts down when no signal is sent to the controller 11 for a continuous period of time.
As shown in fig. 6, the voice broadcasting circuit 16 has a voice chip U4 electrically connected to the speaker SPK1 and the controller 11, respectively, and the voice chip U4 converts the signal from the controller 11 into a corresponding voice signal and transmits the voice signal to the speaker SPK1 for playing.
The sound alarm circuit 20, as shown in fig. 7, when the set high temperature or the set low temperature is detected, the controller 11 outputs a signal to the sound alarm circuit 20, and the sound alarm circuit 20 controls the buzzer SP1 to give an alarm.
As shown in fig. 8, the backlight and backlight alarm circuit 19 is configured to provide a backlight signal when the controller 11 is turned off, so as to control the backlight and backlight alarm circuit 19 to emit white light as a background light source of the display panel 1, and when a set high temperature or a set low temperature is detected, the controller 11 outputs an alarm signal to the backlight and backlight alarm circuit 19, so that the backlight and backlight alarm circuit 19 emits a flashing red light alarm.
As shown in fig. 9, the thermocouple detection circuit 15 is mainly used for collecting signals output by the infrared sensor 4 and converting the signals into electrical signals that can be recognized by the controller 11.
The infrared temperature detection circuit 17 is shown in fig. 10, and is configured to collect a collection signal transmitted by an external thermocouple via the thermocouple interface 7, convert the collection signal into a digital signal that can be directly recognized by the controller 11, and output the digital signal to the controller 11.
The instrument display circuit 18 is electrically connected to the display screen 1, and is configured to convert a signal input by the controller 11 into a display signal corresponding to the display screen 1 and output the display signal to the display screen 1, so as to display information such as a measured temperature value and an alarm signal on the display screen 1, thereby reducing the number of IO ports of the controller 11 required for controlling the display screen 1.
The computer connecting circuit 21 includes a CP2012 chip, and the CP2012 chip is electrically connected to the controller 11 and the USB interface respectively, so as to implement USB-URAT conversion between the controller 11 and the computer and establish a connection between the controller 11 and the computer.
It should be finally noted that the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a thermoscope that possesses infrared and thermocouple measurement, including controller (11), display screen (1), button group (2), trigger switch (3), battery charging circuit (13), switch circuit (14) and instrument display circuit (18), button group (2) are connected to controller (11) electricity respectively, switch circuit (14) and instrument display circuit (18), switch circuit (14) are through trigger switch (3) electric connection director (11), switch circuit (14) electricity connect battery charging circuit (13), display screen (1) is connected to instrument display circuit (18) electricity, a serial communication port, its characterized in that: still include infrared inductor (4), thermocouple interface (7), infrared temperature detection circuit (17) and thermocouple detection circuit (15), infrared inductor (4) are connected through infrared temperature detection circuit (17) in controller (11), infrared temperature detection circuit (17) gather the detected signal of infrared inductor (4) and convert digital signal and give controller (11), thermocouple interface (7) are connected through thermocouple detection circuit (15) electricity in controller (11), thermocouple interface (7) are used for being connected with outside thermocouple, thermocouple detection circuit (15) gather the detected signal of outside thermocouple and convert digital signal and give controller (11).
2. A thermometer with infrared and thermocouple measurements according to claim 1 wherein: the alarm device also comprises a sound alarm circuit (20) which can give out alarm sound, and the sound alarm circuit is electrically connected with the controller (11).
3. A thermometer with infrared and thermocouple measurements according to claim 1 wherein: the backlight alarm circuit also comprises a backlight and backlight alarm circuit (19) which can emit red backlight and white backlight, and the controller (11) is electrically connected with the backlight and backlight alarm circuit (19).
4. A thermometer with infrared and thermocouple measurements according to claim 1 wherein: still include voice broadcast circuit (16) and speaker, voice broadcast circuit (16) electricity connection controller (11) and speaker respectively, voice broadcast circuit (16) convert the controller signal to corresponding audio signal and carry to the speaker broadcast.
5. A thermometer with infrared and thermocouple measurements according to claim 1 wherein: the controller also comprises a memory (12), and the controller (11) is electrically connected with the memory (12).
6. A thermometer with infrared and thermocouple measurements according to claim 5 wherein: the USB interface is electrically connected with the computer connecting circuit (21) and the battery charging circuit (13) respectively, and the computer connecting circuit (21) is electrically connected with the controller (11).
7. A thermometer with infrared and thermocouple measurements according to claim 1 wherein: the infrared sensor is characterized by further comprising a red laser indicator lamp (5), wherein the red laser indicator lamp (5) and the infrared sensor (4) are closely arranged and face the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483676.4U CN213364055U (en) | 2020-10-30 | 2020-10-30 | Temperature measuring instrument with infrared and thermocouple measurement functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483676.4U CN213364055U (en) | 2020-10-30 | 2020-10-30 | Temperature measuring instrument with infrared and thermocouple measurement functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213364055U true CN213364055U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022483676.4U Active CN213364055U (en) | 2020-10-30 | 2020-10-30 | Temperature measuring instrument with infrared and thermocouple measurement functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213364055U (en) |
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2020
- 2020-10-30 CN CN202022483676.4U patent/CN213364055U/en active Active
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