CN209915959U - Thermometer for measuring temperature at different positions - Google Patents
Thermometer for measuring temperature at different positions Download PDFInfo
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- CN209915959U CN209915959U CN201821670387.1U CN201821670387U CN209915959U CN 209915959 U CN209915959 U CN 209915959U CN 201821670387 U CN201821670387 U CN 201821670387U CN 209915959 U CN209915959 U CN 209915959U
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Abstract
The utility model provides a measure thermometer of different position temperatures, including annex, thermometer body, the control unit, temperature probe and proximity switch. The accessory is provided with a trigger. The control unit is arranged on the temperature detector body. The temperature probe is arranged at one end of the thermometer body, and the control unit is electrically connected with the temperature probe and used for acquiring temperature information. The proximity switch is arranged on the thermometer body, the distance between the proximity switch and the accessory is adjustable, the proximity switch generates different signals along with the change of the distance between the proximity switch and the trigger on the accessory, and the proximity switch is electrically connected with the control unit. The utility model provides a temperature measurement method of different positions need not the physics button, and the thermoscope is sealed more easily, the waterproof washing of being convenient for.
Description
Technical Field
The utility model relates to a temperature measuring instrument, especially a measure thermometer of different position temperatures.
Background
Body temperature can be obtained by measuring different positions of a human or animal, for example: oral cavity, rectum, axilla, eardrum, epidermis. The measurement position suitable for measuring the body temperature is often different according to different use scenes. For patients with acute or severe diseases, the elderly, infants, and ambulatory animals, it is difficult to measure the temperature of the oral cavity or rectum, and therefore, the epidermis, eardrum, and other parts which are easy to measure are often selected. For some people with external auditory canal deformities or animals with thicker ear hair, it is impractical to select eardrums to measure body temperature. But for a human or animal to be able to engage, the mouth temperature is closest to the true body temperature, and is preferably measured as the mouth temperature. Therefore, thermometers need to be able to measure the temperature of different locations of a person or animal. However, the oral cavity compensation value is different depending on the measurement position, and especially, the emissivity is different for the infrared thermometer. Therefore, the normal temperature of different parts is often different, and the temperature of different positions needs to be converted into a unified standard (body temperature). For different temperature measurement parts, the existing thermometers capable of measuring and measuring temperatures at different positions need different measurement modes.
The existing infrared thermometer for measuring ear temperature and forehead temperature adopts a touch component to identify ear temperature or forehead temperature, when the infrared thermometer penetrates into an ear, a probe is contacted with the inner wall of an ear canal to generate a touch signal so as to guide the conversion of a temperature measuring mode, but the sensitivity of the touch component is not high, for example, the infrared thermometer fails when contacting rough skin, and the error of temperature measurement is caused. The other kind of infrared temperature detector of survey ear temperature and survey volume temperature double-purpose of current adopts the mode of button to realize the change of ear temperature measurement mode and volume temperature measurement mode, but this kind of physics button has small gap, advances grey relatively easily, and waterproof also is more difficult, is unfavorable for the clarity and the disinfection of temperature detector. The other two-in-one infrared thermometer adopts a shell structure to slide up and down to switch an ear temperature measurement mode and a forehead temperature measurement mode, but the shell structure is easy to block in the up-and-down sliding process, and the mode switching is easy to cause disorder, so that the temperature measurement error is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measure thermoscope of different position temperatures.
In order to solve the technical problem, the utility model provides a measure thermometer of different position temperatures, including annex, thermometer body, the control unit, temperature probe and proximity switch. The accessory is provided with a trigger. The control unit is arranged on the temperature detector body. The temperature probe is arranged at one end of the thermometer body, and the control unit is electrically connected with the temperature probe and used for acquiring temperature information. The proximity switch is arranged on the thermometer body, the accessory is detachably arranged at one end of the temperature probe of the thermometer body, the distance between the proximity switch and the trigger on the accessory is adjustable, the proximity switch generates different signals along with the change of the distance between the proximity switch and the trigger on the accessory, and the proximity switch is electrically connected with the control unit.
Optionally, the trigger in the accessory is arranged annularly, or the proximity switch is arranged annularly, or both the trigger and the proximity switch are arranged annularly.
Optionally, the trigger in the accessory is in a circumferential shape, or the proximity switch is in a circumferential shape, or both the trigger and the proximity switch are in a circumferential shape.
Optionally, the accessory is any one of a shield, a collar and a patch.
Optionally, the accessory is a shroud, one end of which is shaped to match the shape of the different measurement locations.
Optionally, the approach switch is approached by combining the accessory and the thermometer body in a matching manner.
Optionally, the mounting position of the trigger in the accessory and the corresponding matching and combining position of the thermometer body are provided with any one of a mark, a clamping structure and a thread structure.
Optionally, the proximity switch is a magnetic sensitive switch and the trigger is a magnetic field generator.
Optionally, the distance between the proximity switch and the trigger is within a first range, the proximity switch generates a first signal, the distance between the proximity switch and the trigger is within a second range, the proximity switch generates a second signal, and the control unit controls the thermometer to be in a first temperature measurement mode or a second temperature measurement mode according to the first signal or the second signal.
Optionally, the distance between the proximity switch and the trigger is within a first range, the proximity switch generates a first signal, the distance between the proximity switch and the trigger is within a second range, the proximity switch generates a second signal, the distance between the proximity switch and the trigger is within a third range, the proximity switch generates a third signal, the control unit controls the thermometer to be in a first temperature measurement mode, a second temperature measurement mode or a third temperature measurement mode according to the first signal, the second signal or the third signal, and the first range, the second range and the third range are determined according to the types of the trigger and the proximity switch.
To sum up, the utility model provides a distance between the trigger of the thermometer of measurement different position temperatures and the proximity switch realizes proximity switch's different signal output to make the thermometer change mutually in the temperature measurement mode of difference. Wherein different signal values are obtained by varying the distance, the measurement accuracy being higher than for a touch member. Moreover, the process does not need physical keys, is easier to seal and is convenient for waterproof cleaning.
Drawings
Fig. 1 is a flowchart of a temperature measuring method of a temperature measuring device for measuring temperatures at different positions according to an embodiment of the present invention;
fig. 2 is a schematic view of a thermometer according to a first embodiment of the present invention;
fig. 3 is a schematic view of a thermometer according to a second embodiment of the present invention;
fig. 4 is a perspective view of a collar according to a second embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example one
Referring to fig. 2, an embodiment of the present invention provides a thermometer for measuring temperatures at different positions, including a proximity switch 1, a shield 5, a thermometer body 7, a temperature probe 4, and a control unit 3. The trigger 2 is mounted on the shield 5. The control unit 3 is arranged on the thermometer body 7. The temperature probe 4 is arranged at one end of the thermometer body 7, and the control unit 3 is electrically connected with the temperature probe 4 and used for acquiring temperature information. Proximity switch 1 locates on the thermoscope body 7, and 7 degrees probe one ends at the thermoscope body are liftoff to be installed in the guard shield 5 detachable, and proximity switch 1 and guard shield 5's distance is adjustable, and along with the change of the distance of trigger 2 on proximity switch 1 and the guard shield 5, proximity switch produces different signals, proximity switch 1 and the 3 electric connection of the control unit.
In the present embodiment, the proximity switch 1 and the trigger 2 generate a first signal when they are close to each other, and the proximity switch 1 and the trigger 2 generate a second signal when they are far from each other. The control unit 3 controls the thermometer to be a first temperature measurement mode or a second temperature measurement mode according to the first signal or the second signal, the first temperature measurement mode comprises a first algorithm, the second temperature measurement mode comprises a second algorithm, the first algorithm is used for measuring temperature information of the first measurement position to calculate the body temperature, and the second algorithm is used for measuring temperature information of the second measurement position to calculate the body temperature. In this embodiment, the first measuring position is forehead or temple, and the second measuring position is eardrum, but the utility model discloses do not do any restriction to first measuring site and second measuring site, in other embodiments, first measuring site and second measuring site can be any one of human body part, animal part and ambient temperature.
The utility model provides a measure the signal output of proximity switch 1's difference is realized to the distance between 2 and the proximity switch 1 of the thermoscope of different position temperatures to make the thermoscope convert each other in the temperature measurement mode of difference, and utilize the temperature information that temperature probe 4 acquireed, finally obtain unified temperature standard according to the algorithm of difference, convenient to use person reads. The touch part touches different measurement positions with different roughness, and the touch part obtains different signal values by changing the distance and is completely unrelated to the measurement positions, so that the measurement precision is not influenced by the measurement positions, and the precision is higher. Moreover, gaps generally exist around the physical keys, and the process does not need the physical keys and is easy to seal, so that the waterproof cleaning is convenient.
In the actual use process, the trigger 2 is close to the proximity switch 1, the proximity switch 1 generates a first signal, the thermometer is in a first temperature measurement mode, the temperature probe 4 acquires temperature information of the forehead, and the body temperature is calculated by a first algorithm according to the forehead relative oral cavity compensation value and the forehead radiance. When the trigger 2 is far away from the proximity switch 1, the proximity switch 1 generates a second signal, the thermometer is in a second temperature measurement mode, and the second algorithm calculates the body temperature according to the eardrum relative oral cavity compensation value and the eardrum radiance. One thermometer can measure thermometers in different places, and the body temperature is automatically calculated according to the temperature compensation value of the measuring position.
In this embodiment, the control unit 3 is a circuit board having a control chip, and the temperature probe 4 is electrically connected to the control unit 3 and is configured to acquire temperature information of the measurement position and send the temperature information to the control unit 3. When the control unit 3 acquires the temperature information of the temperature probe 4, the corresponding temperature information is converted into temperature data. In this embodiment, the temperature probe 4 is an eardrum temperature probe for measuring the temperature of the eardrum, is slender, and is easy to enter the external auditory canal to measure the temperature of the eardrum.
In this embodiment, the temperature probe 4 is an infrared temperature probe 4, and converts infrared radiation energy into electric energy and then processes the electric energy to obtain temperature information. The infrared temperature probe 4 is adopted, so that the temperature measurement speed is high, and the temperature measurement device is suitable for temperature measurement of patients with acute and serious diseases, old people, infants and active animals. However, the present invention does not limit the type of the temperature probe 4, and in other embodiments, the temperature probe 4 may also be a probe including any one of a thermal resistance sensor, a thermistor sensor, a galvanic couple temperature sensor and an integrated temperature sensor, and connects physical parameters such as resistance or voltage with temperature information. The thermal resistance sensor probe is small in size, convenient to measure the temperature in a narrow cavity and convenient to carry.
In this embodiment, the trigger 2 is installed in the protective cover 5, the protective cover 5 is used as a protective cover for the temperature probe 4 of the thermometer, the protective cover 5 and the thermometer body 7 can be mutually clamped, and the temperature probe 4 at one end of the thermometer is protected and covered after the protective cover 5 and the thermometer body 7 are clamped. Meanwhile, the temperature probe 4 measures the temperature of the forehead, temples and other skins after the shield 5 is arranged, and the front end of the shield 5 is flat, so that the shape of the shield is matched with the shape of the forehead, temples and other skins, and the measurement precision is improved. However, the utility model discloses do not restrict the shape of the front end of guard shield 5, the one end of guard shield 5 can also be designed into easily type armpit form, is convenient for measure the temperature of armpit. Meanwhile, after the protective cover 5 is arranged, the temperature probe 4 cannot enter the external auditory canal, and the measurement error caused by forgetting to switch the temperature measurement mode by a user is avoided.
In this embodiment, the mounting position of the trigger 2 in the shield 5 is marked, and the corresponding mating position of the proximity switch 1 in the thermometer is also marked. During use, the shield 5 and the thermometer body 7 are gradually brought close to and engaged with each other in accordance with the marked position. However, the present invention does not limit the approach of the trigger 2 and the proximity switch 1, and in other embodiments, the positions of the trigger 2 and the proximity switch 1 are respectively provided with the magnet, and the purpose of approaching the trigger 2 and the proximity switch 1 is achieved by the attraction of the magnets. The trigger 2 and the proximity switch 1 can also be arranged annularly, and the trigger 2 and the proximity switch 1 are four. The trigger 2 and the proximity switch 1 may be provided with a snap structure or a screw structure at corresponding positions, respectively. The trigger 2 and the proximity switch 1 may also be both ring-shaped. The clamping structure comprises connection modes such as clamping connection between the thermometer body 7 and the protective cover 5, clamping connection between a bulge and a groove and the like.
In the present embodiment, the proximity switch 1 is directly disposed on the control unit 3, and in other embodiments, the proximity switch 1 may also be connected to the control unit 3 through a wire. The control unit 3 is arranged between the thermometer body 7 and the temperature probe 4.
In the present embodiment, the proximity switch 1 is a hall switch, and the trigger 2 is a magnet. The magnet has N pole and S pole, and the Hall switch can only detect N pole, only detect S pole andcan detect all poles (can detect N and S pole). The Hall switch in the embodiment is a full pole, and when the N pole of the magnet is gradually close to the magnet, the magnetism is smaller than BOPN(<-40Gauss), hall switch output low level (<0.5V), the control unit 3 is triggered when receiving low level. When the N pole of the magnet is far away from the Hall switch, i.e. the magnetism is less than BRPN(>20Gauss), hall switch output high level (>2.5V), the control unit 3 receives a high level and is not triggered.
However, the present invention does not limit the type of the proximity switch 1, and in other embodiments, the proximity switch 1 may be any other magnetic sensitive switch such as a reed switch. However, the present invention is not limited to the type of the trigger 2, and in other embodiments, the trigger 2 may be any other magnetic field generator such as neodymium iron boron, ferrite, etc. When the magnetic field generator moves close to the magnetic sensitive switch, the magnetic sensitive switch generates Hall effect to change the state of the internal circuit of the switch, thereby identifying the existence of the magnetic field generator nearby and further controlling the signal output of the magnetic sensitive switch. The magnetic-sensitive switch and the magnetic field generator are adopted, no external power supply is needed, and the magnetic-sensitive switch is triggered in a non-contact manner, is free from maintenance and is environment-friendly.
In other embodiments, the proximity switch 1 may be any one of an inductive type, a capacitive type, a dc type, and an ac type. When the proximity switch 1 is an inductive proximity switch 1, the trigger 2 is a 2-conductor. When the inductive proximity switch 1 is close to the inductive proximity switch 1 which can generate an electromagnetic field, an eddy current is generated in the conductive body by utilizing the conductive body. The eddy current is reacted to the inductive proximity switch 1, so that the internal circuit parameters of the inductive switch are changed, whether a conductive object is close or not is identified, and whether a signal is output or not is controlled by the inductive proximity switch 1. The inductive proximity switch 1 has good interference performance and high switching frequency.
The proximity switch 1 is a position switch that can be operated without mechanical direct contact with a moving part, and when the sensing surface of the object proximity switch 1 reaches an action distance, the switch can be actuated without mechanical contact and any pressure applied, thereby driving a direct current appliance or providing a control instruction to a computer device. Mechanical devices are at risk of failure and fail over time. The proximity switch has the characteristics of a travel switch and a microswitch, has sensing performance, reliable action, stable performance, quick frequency response, long service life, strong anti-interference capability and the like, and has the characteristics of water resistance, shock resistance, corrosion resistance and the like.
In this embodiment, the thermometer further includes a display unit for directly displaying the final body temperature on the display unit, thereby increasing human-computer interaction and enabling a user to intuitively read the temperature from the display unit. In other embodiments, the thermometer further comprises a voice playing unit for playing the voice of the final body temperature directly, and the thermometer is suitable for blind people.
Based on foretell thermometer, the embodiment of the utility model provides a measure the temperature measurement method of the thermoscope of different position temperatures, please refer to fig. 1, include:
step S10, determining whether the proximity switch 1 and the trigger 2 are sufficiently close;
step S11, if the proximity switch 1 and the trigger 2 are close enough, the proximity switch 1 sends a first signal to the control unit 3, and the control unit 3 controls the temperature detector to be set to a first temperature measurement mode;
in step S12, if the proximity switch 1 and the trigger 2 are far away from each other, the proximity switch 1 sends a second signal to the control unit 3 to control the thermometer to set the thermometer to the second temperature measurement mode.
Example two
Please refer to fig. 3 and 4. The proximity switch 1, the trigger 2, the temperature probe 4 and the control unit 3 are the same as those in the first embodiment in shape and structure, and the same elements are denoted by the same reference numerals and are not described again. Only the differences will be described below.
In this embodiment, 2 ring of triggers are installed in lantern ring 6, and four 2 even subdivisions of triggers are in the circumferential direction of lantern ring 6, can dismantle the connection between lantern ring 6 and the thermoscope body 7, and first measuring position is the eardrum, and the second measuring position is the nasal cavity. However, the present invention does not limit the first measuring position and the second measuring position, and in other embodiments, the first measuring position and the second measuring position may be any other narrow cavities.
In the actual use process, after the lantern ring 6 and the thermometer body 7 are connected with each other, the trigger 2 installed on the lantern ring 6 is close enough to the proximity switch 1, the proximity switch 1 is triggered to generate a first signal, the thermometer is switched to a first temperature measurement mode, the temperature probe 4 acquires temperature information of an eardrum, and the first algorithm calculates the body temperature according to a relative oral cavity compensation value of the eardrum. When the lantern ring 6 is taken down, the trigger 2 is far away from the proximity switch 1, the proximity switch 1 generates a second signal, the temperature detector is switched to a second temperature measurement mode, and the body temperature is calculated according to the nasal cavity relative oral cavity compensation value through a second algorithm. The collar 6 is lower in height than the shroud 5, so the collar 6 only affects the shape of the temperature probe 4 near one end of the proximity switch 1, has no effect on the size and shape of the other end of the temperature probe 4, and the end of the temperature probe 4 is smaller in volume, thus being suitable for measuring temperatures at different locations in a narrow cavity.
EXAMPLE III
The shape and structure of the temperature probe 4 and the control unit 3 are the same as those in the first embodiment, and the same reference numerals are used for the same elements, which are not described again. Only the differences will be described below.
In this embodiment, the attachment and the thermometer body 7 are directly detachably connected. Preferably, the trigger 2 is in threaded connection with the thermometer body 7. The distance between the trigger 2 and the proximity switch 1 is gradually reduced by the gradual rotation of the screw thread. The trigger 2 and the thermometer body 7 can also be connected in a buckling mode, three buckling structures are arranged on the thermometer body 7 along the direction that the distance between the trigger and the accessory is gradually reduced, and three corresponding buckling structures are also sequentially arranged on the corresponding positions of the accessory. However, the utility model discloses do not do any restriction to buckle structure's figure, buckle structure can be arbitrary a plurality ofly. The clamping structure comprises connection modes such as buckle connection, convex and concave groove clamping connection and the like between the thermometer body 7 and the accessory. The first measurement location is ambient temperature, the second measurement location is the armpit, and the third measurement location is the forehead. In this embodiment, there are three measuring positions, but the present invention does not limit the measuring positions at all, and in other embodiments, the measuring positions may be any number.
In this embodiment, the proximity switch 1 is one plate of a capacitor, the trigger 2 is the other plate of the capacitor, and by changing the distance between the trigger 2 and the proximity switch 1, the dielectric constant of the capacitor changes, so that the capacitance changes, and the circuit state changes accordingly, thereby controlling the on/off of the proximity switch 1, and controlling the signal output of the proximity switch 1.
In the in-service use process, after trigger 2 and thermoscope body 7 just started the block, trigger 2 and proximity switch 1's distance is the biggest, and the dielectric constant of condenser is the biggest, triggers proximity switch 1, and the thermoscope converts to first temperature measurement mode, and temperature probe 4 acquires the temperature information of the environment that surveys, and the first algorithm direct display environmental temperature that surveys. And continuing rotating the trigger 2, gradually reducing the distance between the trigger 2 and the proximity switch 1, triggering the proximity switch 1, converting the temperature detector into a second temperature measurement mode, and calculating the body temperature according to the relative oral cavity compensation value of the armpit by a second algorithm. And continuing rotating the trigger 2, wherein the distance between the trigger 2 and the proximity switch 1 is minimum, the dielectric constant of the capacitor is minimum, the proximity switch 1 cannot be triggered, the temperature detector is switched to a third temperature measurement mode, and the body temperature is calculated by a third algorithm according to the armpit compensation value of the armpit.
Example four
The shape and structure of the temperature probe 4 and the control unit 3 are the same as those in the first embodiment, and the same reference numerals are used for the same elements, which are not described again. Only the differences will be described below.
In this embodiment, the accessory is a patch, the trigger 2 is mounted in the patch, and the trigger 2 and the proximity switch 1 can approach each other by attaching the patch to a corresponding position. The patch has small volume, and can reduce the whole volume and weight of the temperature detector. The patch is mainly configured as a trigger 2, and when the patch is attached to a corresponding position, the trigger 2 is sufficiently close to the proximity switch 1, and no other marking or alignment operation is required.
It will be understood by those skilled in the art that in the present disclosure, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present invention and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms should not be construed as limiting the invention.
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of other modifications and variations without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A thermometer for measuring temperatures at different locations, comprising:
an accessory having a trigger mounted thereon;
a thermometer body;
the control unit is arranged on the thermometer body;
the temperature probe is arranged at one end of the thermometer body, and the control unit is electrically connected with the temperature probe and used for acquiring temperature information; and
the proximity switch is arranged on the thermometer body, the accessory is detachably arranged at one end of a temperature probe of the thermometer body, the distance between the proximity switch and the trigger on the accessory is adjustable, the proximity switch and the trigger on the accessory are changed in distance, the proximity switch generates different signals, and the proximity switch is electrically connected with the control unit.
2. The thermometer of claim 1 wherein said trigger in said attachment is circumferentially disposed, or said proximity switch is circumferentially disposed, or both said trigger and said proximity switch are circumferentially disposed.
3. The thermometer of claim 1 wherein said trigger in said attachment is in the shape of a ring, or said proximity switch is in the shape of a ring, or both said trigger and said proximity switch are in the shape of a ring.
4. The thermometer of claim 1, wherein said attachment is any one of a shield, a collar and a patch.
5. The thermometer of claim 1 wherein said attachment is a shield, one end of said shield having a shape that matches the shape of the different measurement locations.
6. The thermometer of claim 1 wherein said proximity switch is accessible by mating said attachment with said body of said thermometer.
7. The thermometer as claimed in claim 6, wherein the mounting position of said trigger in said attachment and the corresponding mating position of said thermometer body are provided with any one of a mark, a snap-fit structure and a screw structure.
8. The thermometer of claim 1 wherein said proximity switch is a magnetically sensitive switch and said trigger is a magnetic field generator.
9. The thermometer of claim 1 wherein the proximity switch is spaced from the trigger by a distance within a first range, the proximity switch generates a first signal, the proximity switch is spaced from the trigger by a distance within a second range, the proximity switch generates a second signal, and the control unit controls the thermometer to operate in either a first thermometry mode or a second thermometry mode based on the first signal or the second signal.
10. The thermometer of claim 1, wherein the proximity switch is spaced from the trigger by a first distance, the proximity switch generates a first signal, the proximity switch is spaced from the trigger by a second distance, the proximity switch generates a second signal, the proximity switch is spaced from the trigger by a third distance, the proximity switch generates a third signal, the control unit controls the thermometer to be in a first temperature measurement mode, a second temperature measurement mode or a third temperature measurement mode according to the first signal, the second signal or the third signal, and the first range, the second range and the third range are determined according to the kinds of the trigger and the proximity switch.
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| CN201821670387.1U CN209915959U (en) | 2018-10-15 | 2018-10-15 | Thermometer for measuring temperature at different positions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458042A (en) * | 2020-04-14 | 2020-07-28 | 清华大学 | Human body temperature measuring device, non-contact measuring method and temperature control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458042A (en) * | 2020-04-14 | 2020-07-28 | 清华大学 | Human body temperature measuring device, non-contact measuring method and temperature control method |
| CN111458042B (en) * | 2020-04-14 | 2024-04-30 | 清华大学 | Human body temperature measuring device, non-contact measuring method and temperature control method |
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