CN213336507U - Temperature measuring device - Google Patents
Temperature measuring device Download PDFInfo
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- CN213336507U CN213336507U CN202022247800.7U CN202022247800U CN213336507U CN 213336507 U CN213336507 U CN 213336507U CN 202022247800 U CN202022247800 U CN 202022247800U CN 213336507 U CN213336507 U CN 213336507U
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Abstract
本实用新型提供了一种测温装置，涉及温度检测设备的技术领域，包括壳体、检测主体和探测器；检测主体包括处理器，探测器包括热电堆温度传感器和环境温度传感器，热电堆温度传感器和环境温度传感器分别与处理器电信号连接，通过热电堆温度传感器作为被测物温度的检测元件，具有高灵敏度和宽范围温度检测阈值，适用于体温和部分物体的高低温检测，环境温度传感器作为被测物所处环境温度的检测元件，通过检测到的环境温度对被测物的温度进行温度补偿算法，可降低环境变化带来的检测误差，提高测量精度；缓解现有技术中存在的便携式非接触测温装置的检测容易受到检测所处环境温度的影响，从而导致检测准确度低甚至异常的情况的技术问题。
The utility model provides a temperature measurement device, which relates to the technical field of temperature detection equipment, comprising a casing, a detection body and a detector; the detection body includes a processor, and the detector includes a thermopile temperature sensor and an ambient temperature sensor. The sensor and the ambient temperature sensor are respectively connected with the electrical signal of the processor, and the thermopile temperature sensor is used as the detection element of the temperature of the measured object. It has high sensitivity and a wide range of temperature detection thresholds, and is suitable for high and low temperature detection of body temperature and some objects. The sensor is used as a detection element for the ambient temperature of the object to be measured, and a temperature compensation algorithm is performed on the temperature of the object to be measured through the detected ambient temperature, which can reduce the detection error caused by environmental changes and improve the measurement accuracy; The detection of the portable non-contact temperature measuring device is easily affected by the ambient temperature in which the detection is located, resulting in a technical problem of low detection accuracy or even abnormal conditions.
Description
Technical Field
The utility model belongs to the technical field of temperature-detecting equipment technique and specifically relates to a temperature measuring device is related to.
Background
At present, the body temperature of people needs to be measured at various places such as traffic gateways, stations, hospitals, residential districts, supermarkets, enterprises and public institutions and the like with dense people flow, or the non-contact temperature measurement of objects is often needed in daily life. However, in practical use of the portable non-contact temperature measuring device, the detection position is not in contact with the object to be measured, so that the detection of the portable non-contact temperature measuring device is easily affected by the ambient temperature of the detection position, and further, the detection accuracy is often low, and even abnormal conditions often occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature measuring device to alleviate the portable non-contact temperature measuring device's that exists among the prior art detection and receive the influence that detects the ambient temperature of locating easily, thereby lead to the technical problem of the low unusual condition even of detection accuracy.
The utility model provides a pair of temperature measuring device, include: the device comprises a shell, a detection main body and a detector;
the detection main body is positioned in the shell, and the detector is positioned at the end part of the shell and used for detecting the temperature of a target to be measured;
the detection main part includes the treater, the detector includes thermopile temperature sensor and ambient temperature sensor, thermopile temperature sensor with ambient temperature sensor respectively with treater signal of electricity connection, thermopile temperature sensor is used for gathering the temperature value of the warm target of awaiting measuring to with this temperature information transmission of the warm target of awaiting measuring extremely treater department, ambient temperature sensor is used for gathering ambient temperature value, and with this ambient temperature information transmission extremely treater department, the treater is used for revising the compensation to ambient temperature information, with numerical value after will compensating with the temperature value of the warm target of awaiting measuring is exported after the synthesis.
In a preferred embodiment of the present invention, the device further comprises a display screen;
the display screen is located the surface of casing, just the display screen with treater electricity signal connection, the display screen is used for showing the temperature information value of the temperature target that awaits measuring after the treater combination processing.
In a preferred embodiment of the present invention, the display screen includes an LED display and an LCD display screen;
the LED display has multiple colors, the processor is preset with multiple temperature intervals, and the processor is used for controlling the LED display to display in corresponding colors by corresponding to each temperature interval;
and the LCD display screen is electrically connected with the processor and is used for displaying the temperature information value of the temperature target to be measured after the processor is synthesized.
In a preferred embodiment of the present invention, the detection main body further includes a circuit board;
the circuit board is located inside the shell and connected with the shell, and the processor is arranged on the circuit board.
In a preferred embodiment of the present invention, the device further comprises a key switch;
the detection main body further comprises a press contact switch, the key switch is located on the surface of the shell, a gap is formed between the key switch and the press contact switch, and the key switch can move towards the inside of the shell relative to the shell and is used for controlling the key switch to be in contact with or separated from the press contact switch.
In a preferred embodiment of the present invention, the device further comprises a buzzer;
the buzzer is located on the surface of the shell and electrically connected with the circuit board, and the contact end of the buzzer is electrically connected with the press contact switch so as to judge the on-off of the key switch through the buzzer.
In a preferred embodiment of the present invention, the circuit board is electrically connected to the display screen through a flexible board.
In the preferred embodiment of the present invention, the device further comprises a power supply;
the power supply is positioned in the shell, and an electrode joint of the power supply is connected with a power interface of the circuit board.
In a preferred embodiment of the present invention, the housing includes a first housing and a second housing;
the first shell and the second shell are both in a semicircular arc structure and are clamped with each other to form an inner accommodating space of the shell;
the end parts of the first shell and the second shell are of hollow structures, so that the end parts of the shells are formed to be used for accommodating the base of the detector.
In a preferred embodiment of the present invention, a fixing column is disposed inside the casing, and the circuit board of the detection main body is connected to the casing through the fixing column;
the first shell is provided with a display window used for embedding the display screen.
In the preferred embodiment of the present invention, the device further comprises a positioning device;
the positioning device is positioned at the end part of the shell and used for transmitting and detecting the positioning point identification of the target to be subjected to temperature measurement.
In a preferred embodiment of the present invention, the detection main body further includes a wireless transmission module;
the wireless transmission module is in electric signal connection with the processor and is used for transmitting the information output by the processor to background equipment.
The utility model provides a pair of temperature measuring device, include: the device comprises a shell, a detection main body and a detector; the detection main body is positioned in the shell, and the detector is positioned at the end part of the shell and used for detecting the temperature of a target to be measured; the detection main body comprises a processor, the detector comprises a thermopile temperature sensor and an environment temperature sensor, the thermopile temperature sensor and the environment temperature sensor are respectively in electric signal connection with the processor, the thermopile temperature sensor is used for collecting a temperature value of a temperature target to be detected and transmitting temperature information of the temperature target to be detected to the processor, the environment temperature sensor is used for collecting an environment temperature value and transmitting the environment temperature information to the processor, and the processor is used for correcting and compensating the environment temperature information so as to synthesize and output a compensated value and the temperature value of the temperature target to be detected; the thermopile temperature sensor is used as a detection element for the temperature of the detected object, has high sensitivity and a wide temperature detection threshold value, is suitable for detecting body temperature and high and low temperatures of partial objects, the environment temperature sensor is used as a detection element for the environment temperature of the detected object, and the temperature compensation algorithm is carried out on the temperature of the detected object through the detected environment temperature, so that the detection error caused by environment change can be reduced, and the measurement precision is improved; the technical problem that the detection of a portable non-contact temperature measuring device in the prior art is easily influenced by the ambient temperature of the detection, so that the detection accuracy is low and even abnormal is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a temperature measuring device according to an embodiment of the present invention;
fig. 2 is a schematic view of an appearance structure of a temperature measuring device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the temperature measuring device according to the embodiment of the present invention at another viewing angle;
fig. 4 is a schematic view of an overall structure of another embodiment of the temperature measuring device according to the embodiment of the present invention;
FIG. 5 is a schematic view of an appearance structure of the temperature measuring device provided in the embodiment of FIG. 4;
fig. 6 is a block diagram of an internal component of the temperature measuring device according to the embodiment of the present invention;
fig. 7 is a software flowchart of the temperature measuring device according to the embodiment of the present invention.
Icon: 100-a housing; 101-a first housing; 102-a second housing; 103-a display window; 104-fixed column; 200-a circuit board; 300-a detector; 301-thermopile temperature sensor; 302-ambient temperature sensor; 303-a base; 400-a display screen; 500-key switch; 600-a buzzer; 700-power supply.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
As shown in fig. 1 to 7, the temperature measuring device provided in this embodiment includes: a housing 100, a detection body and a probe 300; the detection main body is positioned inside the shell 100, and the detector 300 is positioned at the end part of the shell 100 and used for detecting the temperature of the target to be measured; the detection main body comprises a processor, the detector 300 comprises a thermopile temperature sensor 301 and an environment temperature sensor 302, the thermopile temperature sensor 301 and the environment temperature sensor 302 are respectively in electric signal connection with the processor, the thermopile temperature sensor 301 is used for collecting temperature values of temperature targets to be detected, the temperature information of the temperature targets to be detected is transmitted to the processor, the environment temperature sensor 302 is used for collecting environment temperature values, the environment temperature information is transmitted to the processor, the processor is used for correcting and compensating the environment temperature information, and the compensated values and the temperature values of the temperature targets to be detected are synthesized and then output.
It should be noted that the housing 100 of the temperature measuring device provided in this embodiment is a handheld structure, wherein the housing 100 may be a cylindrical structure, and the front end of the cylindrical housing 100, which is provided with the detector 300, has a bending structure, and an included angle is formed between the detector 300 and the housing 100, so that the detector 300 can be more conveniently used to measure temperature; further, the housing 100 may be made of ABS (Acrylonitrile Butadiene Styrene) material.
The temperature target to be detected can be used for detecting the body temperature of a human body and can also be used for detecting the temperature of high and low temperature objects.
In this embodiment, the thermopile temperature sensor 301 may be packaged by a TO-39 package, including a dual sensitive element, a broadband filter, and an NTC thermistor, and is configured TO collect the temperature of a human body or an object, and the ambient temperature sensor 302 is configured TO collect the ambient temperature of the thermopile temperature sensor 301.
The processor can adopt an MCU (microprogrammed control Unit) microprocessor, a Micro Control Unit (MCU), also called a single-chip microcomputer or a single chip microcomputer, the frequency and the specification of the central processing Unit are properly reduced, and peripheral interfaces such as a memory, a counter, a USB (universal serial bus), an A/D (analog/digital) converter, a UART (universal asynchronous receiver transmitter), a PLC (programmable logic controller), a DMA (direct memory access) and the like, even an LCD (liquid crystal display) driving circuit are integrated on a single chip to form a chip-level computer, so that different combination control can be carried out on different application.
In addition, the detection main body also comprises a port for connecting an external element with the MCU.
In the preferred embodiment of the present invention, the housing 100 can adopt various structures, and preferably, the housing 100 comprises a first housing 101 and a second housing 102; the first shell 101 and the second shell 102 are both in a semi-circular structure, and the first shell 101 and the second shell 102 are clamped to form an inner accommodating space of the shell 100; the ends of the first and second housings 101 and 102 are hollow, so that the end of the housing 100 is formed to receive the base 303 of the probe 300.
In the preferred embodiment of the present invention, the casing 100 is provided with a fixing post 104 therein, and the circuit board 200 of the detection main body is connected to the casing 100 through the fixing post 104; the first casing 101 is opened with a display window 103 for mounting the display screen 400.
In this embodiment, the first housing 101 and the second housing 102 are detachable structures, wherein a plurality of grooves are formed in the inner edge of the first housing 101, a plurality of protrusions are formed in the inner edge of the second housing 102, and the protrusions and the grooves are connected by means of fasteners; a plurality of fixing posts 104 are disposed inside the second housing 102, the fixing posts 104 are hollow, and the circuit board 200 of the detection main body can be fixed on the fixing posts 104 by screws.
Optionally, the display window 103 is detachably connected to the first housing 101, wherein a groove is formed in a surface of the first housing 101, the display window 103 is detachably connected to an edge of the groove, and a surface of the display window 103 may be made of a transparent PP (polypropylene) or PVC (Polyvinyl chloride), and the transparent display window 103 may be used to facilitate observation of information displayed by the display screen 400 provided in the following embodiments, and also may protect the display screen 400.
In the preferred embodiment of the present invention, the device further comprises a positioning device; the positioning device is positioned at the end part of the shell and used for transmitting and detecting the positioning point identification of the target to be subjected to temperature measurement.
Optionally, the positioning device may adopt a laser emitter structure, and the positioning function of the laser emitter is utilized to emit the positioning point identifier to the target to be measured, so as to realize the function of positioning and aiming.
In a preferred embodiment of the present invention, the detection main body further comprises a wireless transmission module; the wireless transmission module is in electric signal connection with the processor and is used for transmitting the information output by the processor to the background equipment.
In this embodiment, wireless transmission module can also be wireless signal data transmission module for bluetooth communication module, can transmit the temperature information after the compensation to backstage equipment through modes such as bluetooth or wifi through utilizing wireless transmission module, for example: mobile phone, computer or background display screen.
The temperature measuring device provided by the embodiment comprises: a housing 100, a detection body and a probe 300; the detection main body is positioned inside the shell 100, and the detector 300 is positioned at the end part of the shell 100 and used for detecting the temperature of the target to be measured; the detection main body comprises a processor, the detector 300 comprises a thermopile temperature sensor 301 and an environment temperature sensor 302, the thermopile temperature sensor 301 and the environment temperature sensor 302 are respectively in electric signal connection with the processor, the thermopile temperature sensor 301 is used for collecting the temperature value of a temperature target to be detected and transmitting the temperature information of the temperature target to be detected to the processor, the environment temperature sensor 302 is used for collecting the environment temperature value and transmitting the environment temperature information to the processor, and the processor is used for correcting and compensating the environment temperature information so as to synthesize the compensated value and the temperature value of the temperature target to be detected and output the synthesized value; the thermopile temperature sensor 301 is used as a detection element for the temperature of the detected object, has high sensitivity and a wide temperature detection threshold value, is suitable for detecting the body temperature and the high and low temperature of partial objects, the environment temperature sensor 302 is used as a detection element for the environment temperature of the detected object, and the temperature compensation algorithm is carried out on the temperature of the detected object through the detected environment temperature, so that the detection error caused by environment change can be reduced, and the measurement precision is improved; the technical problem that the detection of a portable non-contact temperature measuring device in the prior art is easily influenced by the ambient temperature of the detection, so that the detection accuracy is low and even abnormal is solved.
On the basis of the above embodiments, further, in the preferred embodiment of the present invention, the display device further includes a display screen 400; the display screen 400 is located on the surface of the casing 100, the display screen 400 is electrically connected with the processor, and the display screen 400 is used for displaying the temperature information value of the temperature target to be measured after the processor is synthesized.
In a preferred embodiment of the present invention, the display screen 400 includes an LED display and an LCD display; the LED display has multiple colors, the processor is preset with multiple temperature intervals and is used for controlling the LED display to display corresponding colors by corresponding to each temperature interval; the LCD display screen is connected with the processor through electric signals and is used for displaying the temperature information value of the temperature target to be measured after the processor is synthesized.
In this embodiment, the color displayed by the LED display can be controlled by the judgment of the processor, for example: when the detected temperature is within the normal temperature value range, the backlight source can be preset to be green, the range lower than the normal value is set to be blue, and the range higher than the normal value is set to be red.
The LCD (liquid Crystal display) display screen can display the temperature value at the sending position of the processor, and the LCD display screen structure is the existing structure, so details are not repeated here. The driver of the LCD display screen is electrically connected with the processor on the circuit board to drive the LCD display screen to display the acquired accurate temperature value.
In the preferred embodiment of the present invention, the detecting body further comprises a circuit board 200; the circuit board 200 is located inside the housing 100 and connected to the housing 100, and the processor is disposed on the circuit board 200.
In this embodiment, the Circuit Board 200 may be a PCB Circuit Board, which is an english abbreviation of Printed Circuit Board, and is a chinese abbreviation of Printed Circuit Board, also called Printed Circuit Board, and is an important electronic component, a support of the electronic component, and a carrier for electrical connection of the electronic component; it is called a "printed" circuit board because it is made using electronic printing; the PCB circuit board has the advantages of high density, high reliability, designability, producibility, testability, assemblability and maintainability.
In this embodiment, the sensor access port is disposed on the circuit board 200, and the sensor access port is electrically connected to the detector 300, and transmits the temperature signal measured by the detector 300 to the memory on the circuit board 200, and provides the working voltage of the detector 300 through the sensor access port. After a thermopile temperature sensor 301 in the detector 300 collects an object temperature value, a temperature signal is transmitted to an operational amplifier arranged on the circuit board 200, and the amplified temperature value signal is converted into an analog semaphore through A/D (analog/digital); after the ambient temperature sensor 302 collects the ambient temperature value, the ambient temperature value is corrected by a temperature compensation algorithm, and the corrected compensation value is transmitted to the processor. And the processor performs numerical synthesis according to the received compensation value and the object temperature value to obtain a corrected accurate temperature value.
In the preferred embodiment of the present invention, the present invention further comprises a key switch 500; the detection body further includes a push contact switch, the push switch 500 is located on the surface of the casing 100, and a gap is provided between the push switch 500 and the push contact switch, the push switch 500 can move towards the inside of the casing 100 relative to the casing 100, and is used for controlling the push switch 500 to contact with or separate from the push contact switch.
In this embodiment, the key switch 500 is located at the position where the housing 100 has the display window 103, wherein a through hole may be disposed at the edge of the display window 103, the key switch 500 is disposed inside the through hole, and the key switch 500 adopts an elastic key, and the opening and closing of the pressing contact switch of the circuit board 200 can be switched on by pressing the key switch 500, so that an operator can conveniently hold the object to be subjected to temperature measurement by hand.
In the preferred embodiment of the present invention, the utility model further comprises a buzzer 600; the buzzer 600 is located on the surface of the casing 100, the buzzer 600 is electrically connected with the circuit board 200, and the contact end of the buzzer 600 is electrically connected with the press contact switch, so as to determine the on/off of the key switch 500 through the buzzer 600.
In the preferred embodiment of the present invention, the circuit board 200 is electrically connected to the display screen 400 through a flexible board.
In this embodiment, the circuit board 200 is relatively fixed to the housing 100 through the fixing posts 104, and after the circuit board 200 is fixed inside the housing 100, the circuit board 200 is electrically connected to the display screen 400 through the flexible board in order to facilitate adjustment of the mounting position of the display screen 400.
In the preferred embodiment of the present invention, the power supply 700 is further included; the power supply 700 is located inside the case 100, and the electrode connector of the power supply 700 is connected to the power supply 700 interface of the circuit board 200.
Alternatively, the power supply 700 may be a battery, and a battery box is disposed inside the casing 100, and the battery is mounted in the battery box, wherein the battery may be a dry battery or a lithium battery, and the power supply 700 interface of the circuit board 200 is connected to an electrode connector in the battery box, and a low-voltage direct current power supply mode is used to provide the working voltage of the whole device.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247800.7U CN213336507U (en) | 2020-10-10 | 2020-10-10 | Temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247800.7U CN213336507U (en) | 2020-10-10 | 2020-10-10 | Temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213336507U true CN213336507U (en) | 2021-06-01 |
Family
ID=76070858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022247800.7U Expired - Fee Related CN213336507U (en) | 2020-10-10 | 2020-10-10 | Temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213336507U (en) |
-
2020
- 2020-10-10 CN CN202022247800.7U patent/CN213336507U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210601 |