CN210135994U - Thermometer with infrared sensor heating function - Google Patents
Thermometer with infrared sensor heating function Download PDFInfo
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- CN210135994U CN210135994U CN201921055304.2U CN201921055304U CN210135994U CN 210135994 U CN210135994 U CN 210135994U CN 201921055304 U CN201921055304 U CN 201921055304U CN 210135994 U CN210135994 U CN 210135994U
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- infrared sensor
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- heating ring
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Abstract
The utility model relates to the field of medical appliances, in particular to a thermometer with an infrared sensor heating function, which comprises a shell, wherein a top pin is arranged in the shell, an infrared sensor is arranged on the top pin, a heating ring is arranged on the infrared sensor, a control panel is also arranged in the shell, and the infrared sensor and the heating ring are both electrically connected with the control panel; has the advantages that: before each measurement, the MCU controls the heating ring to heat the infrared sensor, so that the temperature of the infrared sensor is within a range of 30-35 ℃, the influence of the ambient temperature on the measurement result is avoided, the infrared sensor is rapidly heated by adding the heating ring on the infrared sensor, the measurement time is saved, and the infrared sensor is more convenient and rapid; and a probe shell and a protective cover are arranged outside the infrared sensor, so that the working states of the infrared sensor and the heating ring are protected from being interfered by external environment, and the infrared sensor is protected from being impacted by the outside.
Description
Technical Field
The utility model belongs to the technical field of medical appliances and specifically relates to a clinical thermometer with infrared sensor heating function.
Background
The infrared sensor is used for detecting a human body, particularly, by using sensitivity in the far infrared range, and the wavelength of infrared is longer than that of visible light and shorter than that of radio waves. Infrared rays are perceived as being emitted only by hot objects, but this is not true, and all objects existing in the natural world, such as human beings, fire, ice, etc., emit infrared rays only at wavelengths that differ according to the temperature of the objects. The body temperature of a human body is about 36-37 ℃, far infrared rays with the peak value of 9-10 microns are emitted, and in addition, intermediate infrared rays with the peak value of 3-5 microns can be emitted when an object heated to 400-700 ℃ is heated.
The infrared sensor is a sensor specially used for collecting target infrared radiation, according to the Planck black body radiation law, the object has a certain formula relation between external infrared radiation and temperature, the current target temperature can be deduced through MCU operation according to the collected infrared radiation, the internal core part of the infrared sensor is a thermopile, the collected infrared radiation is converted into a voltage signal to be output, the temperature of the cold end of the thermopile is generally the ambient temperature, the stability of the thermopile is very important, therefore, the infrared thermometer generally requires to be warmed for half an hour in the ambient temperature in use, the temperature imbalance of the infrared sensor is avoided, the temperature measurement precision is inaccurate, the measurement time is greatly prolonged, and the workload is delayed.
Disclosure of Invention
To the not enough of existence among the above-mentioned prior art, the utility model aims to provide a clinical thermometer with infrared sensor heating function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a clinical thermometer with infrared sensor heating function which characterized in that: the infrared heating device comprises a shell, a top pin is arranged in the shell, an infrared sensor is arranged on the top pin, a heating ring is arranged on the infrared sensor, a control panel is further arranged in the shell, and the infrared sensor and the heating ring are electrically connected with the control panel.
Preferably, the shell is provided with a probe shell on the same side of the top tip, and the probe shell covers the top tip.
Preferably, the shell is also provided with a protective cover on the same side of the probe shell, and the protective cover covers the probe shell.
Preferably, a battery jar is further arranged in the shell, a battery elastic sheet is arranged in the battery jar, a battery cover plate is arranged on the shell, and the battery elastic sheet is electrically connected with the control board.
Preferably, the casing is provided with an LCD display screen and keys, and the LCD display screen and the keys are electrically connected with the control panel.
Adopt above-mentioned scheme, the beneficial effects of the utility model are that:
the utility model discloses a design a clinical thermometer with infrared sensor heating function, before every measurement, MCU control heating ring heats infrared sensor for the temperature of infrared sensor itself is in 30~35 ℃ of scope value, avoids ambient temperature to produce the influence to the measuring result, through adding a heating ring on infrared sensor, makes infrared sensor heat fast, has saved measuring time, more convenient and fast; and be provided with probe shell and visor outside infrared sensor, protection infrared sensor and heating circle operating condition can not receive outside environmental interference, and the protection infrared sensor can not receive outside striking, can look over measured data through the LCD display screen of design on the clinical thermometer.
Drawings
Fig. 1 is a schematic structural view of a part of the present invention;
FIG. 2 is a schematic structural view of another part of the present invention;
FIG. 3 is an internal structural view of the housing of the present invention;
fig. 4 is an exploded view of the structure between the probe housing and the tip of the present invention;
FIG. 5 is a schematic view of the heating of the present invention;
fig. 6 is a circuit diagram of the present invention.
The reference numerals in the above description denote descriptions:
1. a shell body 11, a battery groove 12, a battery guide sheet 13 and a battery cover plate,
14. LCD display screen, 15 keys, 2 top pins, 3 infrared sensors,
4. heating ring, 5, control panel, 6, probe shell, 7, visor.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 3, a thermometer with infrared sensor heating function comprises a housing 1, wherein a top pin 2 is arranged in the housing 1, an infrared sensor 3 is arranged on the top pin 2, a heating ring 4 is arranged on the infrared sensor 3, a control panel 5 is further arranged in the housing 1, and the infrared sensor 3 and the heating ring 4 are both electrically connected with the control panel 5.
The utility model discloses in the preferred embodiment, the theory of operation: taking out the thermometer, starting up the thermometer, detecting the temperature of the infrared sensor 3 by the control panel 5, if the temperature of the infrared sensor 3 is not in the range of 30-35 ℃, controlling the heating ring 4 to heat the infrared sensor 3 by a chip on the control panel 5, heating to 30-35 ℃, carrying out balance judgment when the temperature of the sensor to be detected reaches a preset value and reaches an expected temperature value, wherein the balance judgment standard is that the temperature fluctuation in unit time is less than a fixed temperature, the heating ring 4 is continuously kept in the temperature range, pressing the key 15, controlling the infrared sensor 3 by the control panel 5 to work, measuring a target temperature, and automatically extinguishing the thermometer if the temperature does not need to be measured; the infrared sensor consists of TP and TM, wherein TP is a thermopile, a hot end of the thermopile is an absorption film irradiated by infrared rays and is a film which is small in heat capacity and easy to rise in temperature, a cold end of the thermopile is a reference junction, and TM is an acquisition NTC of the reference junction temperature.
The utility model discloses in the embodiment of the preferred, casing 1 is located top tip 2 and is provided with probe shell 6 with one side, probe shell 6 lid fits on top tip 2, infrared sensor 3 sets up the one end at top tip 2, heating ring 4 sets up on infrared sensor 3, probe shell 6 lid closes top tip 2, protection infrared sensor 3 and 4 operating condition of heating ring can not receive external environment interference, protection infrared sensor 3 can not receive outside striking, casing 1 is located probe shell 6 and still is provided with visor 7 with one side, visor 7 lid fits on probe shell 6, visor 7 also plays the guard action to probe shell 6, probe shell 6 and visor 7 can adopt the PC material, plastic material and polycarbonate material etc. allow the material that the infrared ray passed.
The utility model discloses in the embodiment of preferred, still be provided with battery jar 11 in the casing 1, be provided with battery shell fragment 12 in the battery jar 11, battery shell fragment 12 and control panel 5 electric connection are provided with battery cover plate 13 on the casing 1, and the clinical thermometer adopts button cell, provides the power, and button cell has characteristics such as light, small and little to environmental pollution, is provided with LCD display screen 14 and button 15 on the casing 1, and LCD display screen 14 and button 15 all with control panel 5 electric connection.
The above is only the preferred embodiment of the present invention, and not 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 the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a clinical thermometer with infrared sensor heating function which characterized in that: the infrared heating device comprises a shell, a top pin is arranged in the shell, an infrared sensor is arranged on the top pin, a heating ring is arranged on the infrared sensor, a control panel is further arranged in the shell, and the infrared sensor and the heating ring are electrically connected with the control panel.
2. A thermometer having a heating function of an infrared sensor as set forth in claim 1, wherein: the shell is provided with a probe shell on the same side of the top pin, and the probe shell covers the top pin.
3. A thermometer having a heating function of an infrared sensor as set forth in claim 2, wherein: the shell is located the same side of the probe shell is also provided with a protective cover, and the protective cover covers the probe shell.
4. A thermometer having a heating function of an infrared sensor as set forth in claim 1, wherein: the shell is internally provided with a battery jar, a battery elastic sheet is arranged in the battery jar, the shell is provided with a battery cover plate, and the battery elastic sheet is electrically connected with the control panel.
5. A thermometer having a heating function of an infrared sensor as set forth in claim 1, wherein: the shell is provided with an LCD display screen and keys, and the LCD display screen and the keys are electrically connected with the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055304.2U CN210135994U (en) | 2019-07-08 | 2019-07-08 | Thermometer with infrared sensor heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055304.2U CN210135994U (en) | 2019-07-08 | 2019-07-08 | Thermometer with infrared sensor heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210135994U true CN210135994U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921055304.2U Active CN210135994U (en) | 2019-07-08 | 2019-07-08 | Thermometer with infrared sensor heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210135994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566977A (en) * | 2020-04-29 | 2021-10-29 | 南京宝地梅山产城发展有限公司 | Constant temperature protection device |
-
2019
- 2019-07-08 CN CN201921055304.2U patent/CN210135994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566977A (en) * | 2020-04-29 | 2021-10-29 | 南京宝地梅山产城发展有限公司 | Constant temperature protection device |
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