CN211121692U - Human body nuclear temperature detector around clock dresses - Google Patents

Abstract

The embodiment of the utility model discloses a human body nuclear temperature detector worn around the clock, which comprises an infrared radiation temperature detector, an electric signal detector, a memory, an ear cavity adapting shell, a wireless transmission circuit and an intelligent terminal; the infrared radiation temperature detector, the electric signal detector, the memory and the wireless transmission circuit are all arranged in the ear cavity adapting shell; the infrared radiation temperature detector is positioned at the front end facing to the direction of the eardrum, the central normal line of the infrared radiation temperature detector points to the middle position of the eardrum at the deep part of the eardrum, the infrared radiation from the eardrum and the deep part of the peripheral eardrum is received, the electric signal detector collects the electric signals of the infrared radiation temperature detector at regular intervals and stores the electric signals according to the time sequence; when the wireless transmission circuit is wirelessly connected with the intelligent terminal, the intelligent terminal which is structurally separated from the main measurement part is used for reading the human body core temperature data which is stored before and corresponds to the acquisition time.

Description

Human body nuclear temperature detector around clock dresses

Technical Field

The embodiment of the utility model provides a relate to the detector of human nuclear temperature in day and night, month physiological cycle.

Background

The human body nuclear temperature is a key index for reflecting physiological and health conditions such as human body metabolic level, inflammation and the like.

The human body nuclear temperature has certain difference in different time of day and night, and women of childbearing age have certain difference in different time of the physiological period of the month and the pregnancy period. Under normal conditions, the nuclear temperature of a human body is different by 1-2 ℃ day and night, and the physiological cycle of a female is different by about 0.5 ℃. Therefore, continuous and accurate detection of human body core temperature at different times of day and night and month cycle is very important for accurate understanding of human physiology and health.

The commonly used body temperature measurement at present is usually to measure the body surface temperature, such as the body surface temperature of the chest, the abdomen, the armpit and the like of a child, and the body surface temperature is different from the body core temperature, and is greatly influenced by sweating, activity and environment temperature.

The traditional temperature measurement method also uses a handheld temperature meter to measure the temperature of the oral cavity, the anus, the ear cavity and the like of the human body; there are also ear cavity thermometers that use infrared radiation. However, these methods all have some disadvantages: 1) single point measurement, the inability to continuously record diurnal or monthly cycle temperature changes; 2) the measurement precision is poor, and the temperature is generally only 0.1 ℃; 3) the measured temperature cannot accurately reflect the human body core temperature and the change relation thereof; 4) the power consumption is high; 5) the size is large and heavy, and is not suitable for being worn with a person; 6) the structure is not humanized enough, the use is inconvenient, and certain danger can exist. Therefore, these conventional methods are mainly used for determining the disease state such as inflammation (fever) of the human body.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a detector capable of continuously measuring and recording the temperature of the human body core in the physiological cycle of day and night and month, and has the advantages of convenient measurement, small size, wearing in the ear cavity, non-contact measurement, power saving, high resolution, accuracy, etc.

The embodiment of the utility model provides an adopted technical scheme as follows: a human body nuclear temperature detector worn around the clock comprises an infrared radiation temperature detector, an electric signal detector, a memory, an ear cavity adapting shell, a wireless transmission circuit, an intelligent terminal and the like.

The infrared radiation temperature detector, the electric signal detector, the memory and the wireless transmission circuit are arranged in the ear cavity adapting shell; the infrared radiation temperature detector is arranged at the front end facing to the direction of the eardrum, the central normal line of the infrared radiation temperature detector points to the middle position of the eardrum at the deep part of the eardrum, and the infrared radiation temperature detector receives the infrared radiation from the eardrum and the deep part of the peripheral eardrum and converts the infrared radiation into an electric signal.

The electric signal detector is arranged in the ear cavity adapting shell and is in electric signal connection with the infrared radiation temperature detector, the electric signal output by the infrared radiation temperature detector is collected at regular intervals, and the electric signal is sent to the intelligent terminal through the wireless transmission circuit.

The memory is positioned in the ear cavity adapting shell and is close to the measuring circuit; and simultaneously storing the collected infrared radiation temperature and the time corresponding to the sampling moment according to the front and back time sequences.

The ear cavity adapting shell is a cavity shell, and an infrared radiation temperature detector, an electric signal detector, a memory, a wireless transmission circuit and the like are arranged in the cavity; the outer side surface of the front end part is matched with the ear cavity, and the outer diameter is smaller than the cavity diameter of the external auditory canal of the ear cavity.

The intelligent terminal has a wireless data receiving function, and receives data which is transmitted by an electric signal detector, collects electric signals output by the infrared radiation temperature detector at intervals within a certain time and transmits the electric signals through a wireless transmission circuit; is structurally separated from the main measuring part.

In view of the wearing of a day and night human body core temperature detector worn in the ear cavity, portability, low power consumption, and long continuous operation time are extremely important properties. A wearable circadian human body core temperature detector according to the above, said electrical signal detector comprising an electrical signal microprocessor, a time base circuit; after the electric signal microprocessor finishes collecting the electric signal of the infrared radiation temperature detector at a certain moment, the electric signal detector and the wireless transmission circuit are in a dormant or electric off state; the time base circuit can output signals at fixed time, and activate or start the electric signal detector and the wireless transmission circuit; the timing output signal period of the time-base circuit is greater than the sum of the time required by the electric signal microprocessor to collect the electric signal of the infrared radiation temperature detector and the time required for the electric signal detector and the wireless transmission circuit to enter a dormant state or an electric off state. The infrared radiation temperature detector has the advantages that the time required for collecting the electric signals of the infrared radiation temperature detector is shorter, such as within one second, and the time interval of timing sampling is much longer, such as minutes, so that the total power consumption can be greatly saved; the reduction of power consumption then can adopt lighter and handy battery, makes wearing day and night human body nuclear thermodetector smaller and more exquisite, light.

The storage space for wearing the human body core temperature detector is limited, so that the storage space in the detector always keeps the latest data and directly corresponds to the time. According to the human body core temperature detector worn around the day and night, the memory simultaneously stores the acquisition time and the signal data according to the time sequence, and the time data comprise month, day, time and minute; the stored acquisition time and signal data are stored circularly, that is, after the stored data in the memory reach the maximum data amount, the newly acquired acquisition time and signal data are stored in the memory space unit with the earliest storage to replace the stored data before being stored successively.

In order to measure the infrared radiation temperature more accurately, the human body nuclear temperature detector worn around the day and night is characterized in that the infrared radiation temperature detector comprises a window, a thermopile detector, a PTAT temperature sensing device, a circular heat sink shell and the like; wherein the window is a round optical glass which can isolate visible light and ultraviolet rays and transmit infrared radiation, and the infrared radiation from the eardrum and the deep part of the peripheral ear cavity is received by the thermopile detector through the window; the cold end of the thermopile detector is connected with the PTAT temperature sensing device in a heat conduction way; the heat sink shell is a heat-conducting cylindrical cavity, the window is installed at the front end of the heat sink shell, the thermopile detector and the PTAT temperature sensing device are installed in the heat sink shell cavity, and the PTAT temperature sensing device is in heat-conducting connection with the heat sink shell. It has the beneficial effects that: the optical glass can isolate visible light and ultraviolet rays and transmit infrared radiation, and can eliminate interference signals caused by light leakage of ambient light; the PTAT is directly proportional to the absolute temperature sensing device to compensate the temperature of the cold end of the thermopile detector, and the mutual heat conduction connection enables the temperature in the infrared radiation temperature detector to be rapidly balanced and consistent, and the precision is high; the circular heat sink shell is better matched with a circular shell structure at the front end of a human body core temperature detector worn round the clock.

In order to further improve the temperature measurement precision, the thermopile detector is positioned in the middle of the cavity of the heat sink shell, the PTAT temperature sensors are formed by four or more proportional absolute temperature sensors which have consistent performance and are uniformly arranged on the circumference and are annularly distributed around the thermopile detector, and the proportional absolute temperature sensors can be integrated MOS (metal oxide semiconductor) type temperature sensors and the like; the proportional to absolute temperature sensor is thermally coupled directly to the heat sink housing.

In order to make the cold end temperature in the infrared radiation temperature detector more stable, balanced with the temperature in the ear cavity and higher in accuracy of measuring the infrared radiation temperature, the human body nuclear temperature detector worn day and night is characterized in that the ear cavity adapting shell comprises an outer shell, an inner heat insulation ring, an outer flexible ring, a middle heat insulation layer and the like; the inner heat insulation ring, the outer flexible ring and the middle heat insulation layer are all made of materials with low heat conductivity coefficients; the inner heat insulation ring is positioned between the infrared radiation temperature detector and the outer shell, and elastically supports the infrared radiation temperature detector to form a heat insulation air cavity between the infrared radiation temperature detector and the outer shell; the outer flexible ring is provided with a plurality of annular flexible heat insulation rings, and is tightly sleeved on the outer side surface of the front end of the outer shell, so that the front end of the ear cavity adaptive shell is tightly and elastically matched with the ear cavity of a human body, and the ear cavity is isolated from the heat convection of the outside air; the intermediate heat insulating layer is positioned at the rear side of the infrared radiation temperature detector and used for insulating heat conduction and air convection between the infrared radiation temperature detector and other electronic components. The infrared radiation temperature detector has the advantages that the temperature measurement precision of the infrared radiation temperature detector is higher; the plurality of annular flexible heat insulation rings are sleeved outside the front end of the outer shell and are matched with the ear cavity more stably and comfortably; compared with a single annular flexible heat insulation ring, the multi-channel annular flexible heat insulation ring also forms a heat insulation air ring in the middle, so that the heat shielding effect is better.

In order to measure the human body core temperature more accurately, the human body core temperature detector wearing the day and night is characterized in that the ear cavity adapting shell further comprises an infrared radiation receiving head; the infrared radiation receiving head is in heat conduction connection with a heat sink shell of the infrared radiation temperature detector, an infrared light converging lens is mounted on the infrared radiation receiving head, and the effective receiving angle (50% half-peak sensitivity) of a light beam formed by combining the infrared light converging lens and the infrared radiation temperature detector is not more than 40 degrees. The infrared radiation temperature detector has the advantages that the infrared radiation temperature detector only receives infrared radiation from the eardrum and the deep part of the peripheral ear cavity, and the detection precision is higher.

Adopt above-mentioned arbitrary technical scheme, the utility model discloses beneficial effect as follows:

the utility model provides a human body nuclear temperature detector wearing day and night, which has small volume, is comfortable and convenient to wear in the ear cavity, adopts an infrared radiation non-contact photoelectric detector to detect the temperature of the eardrum and the deep part of the ear cavity, and carries out long-time continuous measurement in day and night or month period and records the human body nuclear temperature and the variation relation through a low power consumption and timing dormancy starting mode; data accessible low-power consumption wireless transmission such as bluetooth to terminals such as cell-phones, finally also can upload high in the clouds data platform, long-term record human core temperature and change relation, make things convenient for individual, family member and doctor to know human core temperature state, also can be used for early warning, the warning of disease and special physiological state through setting up the threshold value.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

In the drawings:

FIG. 1 is a schematic structural diagram of a main body for wearing a human body nuclear temperature detector for day and night according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an infrared radiation temperature detector wearing a human body nuclear temperature detector for day and night according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an ear cavity adapting shell for wearing a human body nuclear temperature detector for day and night according to an embodiment of the present invention;

in the figure: the infrared radiation temperature detector 1, the electric signal detector 2, the memory 3, the ear cavity adapting shell 4, the wireless transmission circuit 5, the window 11, the thermopile detector 12, the PTAT temperature sensing device 13, the heat sink shell 14, the outer shell 41, the inner heat insulation ring 42, the outer flexible ring 43, the middle heat insulation layer 44 and the infrared radiation receiving head 45.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. In the following description and in the drawings, the same numbers in different drawings identify the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims. Various embodiments of the present description are described in an incremental manner.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

As shown in fig. 1-3, the embodiment of the present invention provides a human body nuclear temperature detector for wearing around the clock, which comprises an infrared radiation temperature detector 1, an electrical signal detector 2, a memory 3, an ear cavity adapting casing 4, a wireless transmission circuit 5, an intelligent terminal 6, etc.

The infrared radiation temperature detector 1, the electric signal detector 2, the memory 3 and the wireless transmission circuit 5 are arranged in the ear cavity adapting shell 4; the infrared radiation temperature detector 1 is located at the front end facing the eardrum direction, and the center normal line thereof points to the middle position of the eardrum at the deep part of the eardrum, receives infrared radiation from the eardrum and the deep part of the peripheral eardrum, and converts the infrared radiation into an electric signal.

The electric signal detector 2 is arranged in the ear cavity adaptive shell 4, is in electric signal connection with the infrared radiation temperature detector 1, collects electric signals output by the infrared radiation temperature detector 1 at regular intervals, and sends the electric signals to the intelligent terminal 6 through the wireless transmission circuit 5.

The memory 3 is positioned in the ear cavity adapting shell 4 and close to the measuring circuit 2; and simultaneously storing the collected infrared radiation temperature and the time corresponding to the sampling moment according to the front and back time sequences.

The ear cavity adapting shell 4 is a cavity shell, and an infrared radiation temperature detector 1, an electric signal detector 2, a memory 3, a wireless transmission circuit 5 and the like are arranged in the cavity; the outer side of the front end matches the ear cavity.

The intelligent terminal 6 has a wireless data receiving function, and receives data which is transmitted by the wireless transmission circuit 5 and is obtained by the electric signal detector 2 at certain time intervals to collect electric signals output by the infrared radiation temperature detector 1; is structurally separated from the main measuring part. Software in the intelligent terminal 6 performs combined calculation on day and night infrared radiation temperature data, and performs least square fitting according to a sine curve to process day and night temperature change data; and the time corresponding to the lowest valley bottom of the fitted sine curve is regarded as the day and night starting time of the human body.

In an embodiment of the present invention, the infrared radiation temperature detector 1 may be an integrated sensor similar to a common infrared ear cavity thermometer on the market, and is small in size, but not limited thereto. The infrared radiation temperature detector 1 can also be composed of a plurality of independent temperature sensing devices, such as a window 11, a thermopile detector 12, a PTAT temperature sensing device 13, a circular heat sink shell 14 and the like; the window 11 can be made of circular optical glass for isolating visible light and transmitting infrared radiation, the window 11 is used for transmitting infrared radiation from deep parts of eardrums and peripheral ear cavities to the thermopile detector 12, the optical glass can isolate visible light and transmit infrared radiation, and interference signals caused by light leakage of ambient visible light can be eliminated.

In an embodiment of the invention, the thermopile detector 12 is in heat conduction connection with the PTAT temperature sensing device 13, the PTAT proportional to absolute temperature sensing device is adopted to compensate the cold end temperature of the thermopile detector, and the heat conduction connection enables the temperature in the infrared radiation temperature detector to be rapidly balanced and consistent, and the precision is high.

In one embodiment of the invention, the heat sink housing 14 is a thermally conductive hollow cavity, the window 11 is mounted at the front end of the heat sink housing 14, the thermopile detector 12 and the PTAT temperature sensing device 13 are both mounted in the inner cavity of the heat sink housing 14, and the PTAT temperature sensing device 13 is thermally conductive connected to the heat sink housing 14. The circular heat sink shell is better matched with a circular shell structure at the front end of a human body core temperature detector worn round the clock.

In an embodiment of the present invention, the electrical signal detector 2 includes an electrical signal microprocessor 21 and a time-base circuit 22, after the electrical signal microprocessor 21 finishes collecting the electrical signal of the infrared radiation temperature detector 1 at a certain time, the electrical signal detector 2 and the wireless transmission circuit 5 enter a sleep state or an electrical off state, generally, the time required for collecting the electrical signal of the infrared radiation temperature detector is shorter, such as within one second, and the time interval of the timing sampling is much longer, such as 10 minutes, so that the total power consumption can be greatly saved. The time base circuit 22 can time the output signal to activate or turn on the electrical signal detector 2 and the wireless transmission circuit 5.

In an embodiment of the invention, the period of the timing output signal of the time base circuit 22 is greater than the sum of the time required by the electric signal microprocessor 21 for collecting the electric signal of the infrared radiation temperature detector 1 and the time required for enabling the electric signal detector 2 and the wireless transmission circuit 5 to enter the dormant state or the electric off state, and a lighter battery can be adopted, so that the human body nuclear temperature detector for wearing day and night is smaller and lighter.

In an embodiment of the invention, the memory 3 stores the acquisition time and the signal data simultaneously according to a time sequence, wherein the time data comprises month, day, hour and minute; the stored acquisition time and signal data are stored circularly, that is, after the stored data in the memory 3 reach the maximum data storage amount, the newly acquired acquisition time and signal data are stored in the earliest stored storage space to replace the original stored data and then stored one by one. The storage space for wearing the human body core temperature detector is limited, so that the storage space in the detector always keeps the latest data and directly corresponds to the time.

In an embodiment of the invention, the ear cavity adapting shell 4 comprises an outer shell 41, an inner heat insulating ring 42, an outer flexible ring 43, an intermediate heat insulating layer 44, an infrared radiation receiving head 45 and the like; the inner heat insulating ring 42 is made of a material with a low thermal conductivity coefficient, is positioned between the infrared radiation temperature detector 1 and the outer shell 41, and plays an elastic support for enabling the equipment to be matched with the ear cavity more stably and comfortably.

In an embodiment of the present invention, the outer flexible ring 43 is a flexible heat-insulating ring having a plurality of rings, and is sleeved outside the front end of the outer housing 41, so as to be closely and elastically matched with the ear cavity in use, and to isolate the ear cavity from the thermal convection of the outside air, so as to make the device and the ear cavity more stably and comfortably matched.

In an embodiment of the invention, the middle heat insulating layer 44 is located on the rear side of the infrared radiation temperature detector 1, and isolates heat conduction and air convection between the infrared radiation temperature detector 1 and other electronic components, so as to make the cold end temperature more stable, balance with the temperature in the ear cavity, and improve the temperature measurement accuracy of the infrared radiation temperature detector.

In an embodiment of the present invention, the infrared radiation receiving head 45 is in heat conduction connection with the heat sink housing 14 of the infrared radiation temperature detector 1, an infrared light converging lens is installed on the infrared radiation receiving head 45, and an effective receiving angle (50% half-peak sensitivity) of a light beam formed by combining the infrared light converging lens and the infrared radiation temperature detector 1 is not greater than 40 degrees. The infrared radiation temperature detector (1) is used for only receiving infrared radiation from the eardrum and the deep part of the peripheral ear cavity, and the precision of detecting and measuring the human body nuclear temperature is higher.

The human body core temperature has certain difference at different time of day and night; for many patients, the temperature of the human body core at each moment of night or days needs to be known in time, or the patient can be reminded in time when the temperature of the patient is abnormal; even if normal people have certain difference of human body nuclear temperature in different time of day and night, the metabolism level and the immune function condition of the human body in different time of day and night are reflected; for women with normal childbearing age, the temperature of human nuclei has certain difference in different times of the physiological cycle and the pregnancy period. For example: under normal conditions, the nuclear temperature of a human body is different by 1-2 ℃ day and night, and the physiological cycle of a female is different by about 0.5 ℃. The utility model discloses a continuous, accurate detection is round the clock and the human nuclear temperature of the different times of month cycle, and the accurate human nuclear temperature of knowing at the different times is very useful for the health protection department.

In view of the fact that the body temperature measurement commonly used at present is usually to measure the body surface temperature, such as the body surface temperature of the chest, the abdomen, the armpit and the like of a child, and the body surface temperature is different from the body core temperature, and is greatly influenced by sweating, activities and the environment temperature. The utility model discloses a detect the temperature of human eardrum and peripheral ear cavity degree of depth, through compensation algorithm, obtain human core temperature.

In view of the traditional temperature measurement method, a handheld thermometer is also used for measuring the temperature of the oral cavity, the anus, the ear cavity and the like of the human body; there are also ear cavity thermometers that use infrared radiation. Single point measurement, the inability to continuously record diurnal or monthly cycle temperature changes; the utility model discloses dress human body nuclear thermodetector round the clock and wears on the ear, realize detecting human temperature for a long time, solve traditional measured temperature inaccurate, undulant big at random, easily receive human activity, adopt to make the method influence big scheduling problem.

In view of the fact that the traditional infrared thermometer is inserted into an ear, a relatively accurate result can be obtained after clicking for measurement for 3 seconds to 5 seconds generally; in addition, the traditional hand-type infrared thermometer has the defects of current body temperature value, difference of hand-held modes and poor repeatability, and the temperature measurement resolution and repeatability can only reach 0.1 ℃. The utility model is worn around the clock and is worn on the ear to realize the long-time detection of the human body temperature; the inner heat insulation ring 42, the outer flexible ring 43 and the middle heat insulation layer 44 in the utility model are all made of materials with low heat conductivity coefficient; the inner heat insulation ring 42 is positioned between the infrared radiation temperature detector 1 and the outer shell 41, and elastically supports the infrared radiation temperature detector to form a heat insulation air cavity between the infrared radiation temperature detector 1 and the outer shell 41; the outer flexible ring 43 is a flexible heat insulation ring with a plurality of annular rings, and is tightly sleeved on the outer side surface of the front end of the outer shell 41, so that the front end of the ear cavity adaptive shell 4 is tightly and elastically matched with the ear cavity of a human body, and the ear cavity is isolated from the heat convection of the outside air; the intermediate heat insulating layer 44 is positioned on the rear side of the infrared radiation temperature detector 1, and insulates heat conduction and air convection between the infrared radiation temperature detector 1 and other electronic components; therefore, the surrounding environment of the infrared radiation temperature detector 1 is more stable, the influence of the external environment and manual operation is extremely small, the resolution and the repeatability are far higher than 0.1 ℃, the temperature can reach about 0.01 ℃, and the infrared radiation temperature of the eardrum and the depth of the surrounding earcavity can be accurately measured.

The detection process of the temperature detector comprises the following steps:

(1) the user opens the human body core temperature detector worn around the clock and places the human body core temperature detector in the ear canal;

(2) infrared radiation of the eardrum and the depth of the peripheral ear cavity reaches the infrared radiation temperature detector 1; in the process, the infrared light converging lens limits the infrared radiation at the non-ear cavity deep part;

(3) the electric signal microprocessor 21 collects the electric signal of the infrared radiation temperature detector 1 at a certain moment; after the collection is finished, the electric signal detector 2 and the wireless transmission circuit 5 are in a dormant or electric off state; the time base circuit 22 can output signals at regular time, and activate or start the electric signal detector 2 and the wireless transmission circuit 5 to enable the infrared radiation temperature detector 1 to collect signals again;

(5) the collected human body core temperature data are stored in the memory (3) in real time according to the time sequence, when the storage data of the data memory (3) reach the maximum storable data quantity, the newly collected time and signal data are stored in the earliest stored storage space to replace the original storage data; and then stored one by one.

(6) The wireless transmission circuit 5 uploads the stored data in the memory 3 to an intelligent terminal, such as a network station and a mobile phone, so that doctors/family members/individuals can conveniently know the core temperature state of the human body.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (7)

1. A human body nuclear temperature detector worn around the day and night is characterized by comprising an infrared radiation temperature detector (1), an electric signal detector (2), a memory (3), an ear cavity adaptive shell (4), a wireless transmission circuit (5) and an intelligent terminal (6);

the infrared radiation temperature detector (1), the electric signal detector (2), the memory (3) and the wireless transmission circuit (5) are arranged in the ear cavity adapting shell (4);

the infrared radiation temperature detector (1) is positioned at the front end facing to the direction of the eardrum, the central normal line of the infrared radiation temperature detector points to the direction of the eardrum at the deep part of the eardrum, and the infrared radiation temperature detector receives the infrared radiation from the eardrum and the deep part of the peripheral eardrum and converts the infrared radiation into an electric signal;

the electric signal detector (2) is arranged in the ear cavity adaptive shell (4), is connected with the infrared radiation temperature detector (1) through electric signals, collects the electric signals output by the infrared radiation temperature detector (1) at regular intervals, and sends the electric signals to the intelligent terminal (6) through the wireless transmission circuit (5);

the memory (3) is positioned in the ear cavity adapting shell (4) and is close to the electric signal detector (2);

the ear cavity adapting shell (4) is a cavity shell, and the outer side surface of the front end part is matched with the ear cavity;

the intelligent terminal (6) has a wireless data receiving function, and receives data which is transmitted by the wireless transmission circuit (5) and is used for acquiring the electric signals output by the infrared radiation temperature detector (1) at intervals in a certain time by the electric signal detector (2).

2. A worn circadian human core temperature detector according to claim 1, wherein the electrical signal detector (2) comprises an electrical signal microprocessor (21), a time base circuit (22); after the electric signal microprocessor (21) finishes collecting the electric signal of the infrared radiation temperature detector (1) at a certain moment, the electric signal detector (2) and the wireless transmission circuit (5) enter a dormant state or an electric closing state; the time base circuit (22) can output signals in a timing mode, and the electric signal detector (2) and the wireless transmission circuit (5) are activated or started; the timing output signal period of the time base circuit (22) is larger than the sum of the time required by the electric signal microprocessor (21) for collecting the electric signal of the infrared radiation temperature detector (1) and the time required for enabling the electric signal detector (2) and the wireless transmission circuit (5) to enter a dormant state or an electric off state.

3. A wearable circadian human core temperature detector according to claim 1 or 2, wherein the memory (3) simultaneously stores acquisition time and signal data in time series, the time data including month, day, hour, minute.

4. A wearable circadian human nuclear temperature detector according to claim 1, wherein the infrared radiation temperature detector (1) comprises a window (11), a thermopile detector (12), a PTAT temperature sensing device (13) and a heat sink housing (14); wherein the window (11) is a circular optical glass which can isolate visible light and ultraviolet rays and transmit infrared radiation, and the infrared radiation from the eardrum and the deep part of the peripheral ear cavity is received by the thermopile detector (12) through the window (11); the cold end of the thermopile detector (12) is connected with a PTAT temperature sensing device (13) in a heat conduction way; the heat sink shell (14) is a heat-conducting cylindrical cavity, the window (11) is installed at the front end of the heat sink shell (14), the thermopile detector (12) and the PTAT temperature sensing device (13) are installed in the cavity of the heat sink shell (14), and the PTAT temperature sensing device (13) is in heat-conducting connection with the heat sink shell (14).

5. A wearable circadian human body nuclear temperature detector according to claim 4, characterized in that the thermopile detector (12) is located in the middle of the cavity of the heat sink housing (14), and the PTAT temperature sensors are formed by four or more proportional-absolute-temperature sensors with consistent performance and uniformly arranged on the circumference, and are annularly distributed around the thermopile detector (12); the proportional to absolute temperature sensor is thermally coupled directly to the heat sink housing (14).

6. A worn circadian human nuclear temperature detector according to claim 1, wherein the ear cavity fitting housing (4) comprises an outer housing (41), an inner heat insulating ring (42), an outer flexible ring (43) and an intermediate heat insulating layer (44); the inner heat insulation ring (42), the outer flexible ring (43) and the middle heat insulation layer (44) are all made of materials with low heat conductivity coefficient; the inner heat insulation ring (42) is positioned between the infrared radiation temperature detector (1) and the outer shell (41), and elastically supports the infrared radiation temperature detector to form a heat insulation air cavity between the infrared radiation temperature detector and the outer shell; the outer flexible ring (43) is provided with a plurality of annular flexible heat insulation rings and is tightly sleeved on the outer side surface of the front end of the outer shell (41), so that the front end of the ear cavity adaptive shell (4) is tightly and elastically matched with the ear cavity of a human body, and the ear cavity is isolated from the external air heat convection; the intermediate heat insulation layer (44) is positioned at the rear side of the infrared radiation temperature detector (1) and isolates heat conduction and air convection between the infrared radiation temperature detector (1) and other electronic components.

7. A worn circadian human nuclear temperature detector according to claim 1 or 6, wherein the ear cavity fitting housing (4) further comprises an infrared radiation receiving head (45); the infrared radiation receiving head (45) is in heat conduction connection with a heat sink shell (14) of the infrared radiation temperature detector (1), an infrared light converging lens is mounted on the infrared radiation receiving head (45), and the effective receiving angle of a light beam formed by combining the infrared light converging lens and the infrared radiation temperature detector (1) is not larger than 40 degrees.

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