CN212658340U - Three-groove integrated infrared thermometer detection device - Google Patents
Three-groove integrated infrared thermometer detection device Download PDFInfo
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- CN212658340U CN212658340U CN202021033446.1U CN202021033446U CN212658340U CN 212658340 U CN212658340 U CN 212658340U CN 202021033446 U CN202021033446 U CN 202021033446U CN 212658340 U CN212658340 U CN 212658340U
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Abstract
The utility model discloses a three-groove integrated infrared thermometer detection device, which comprises a case, a touch screen controller arranged at the upper end of the case and three constant temperature water grooves; a certain space is arranged between every two constant-temperature water tanks, and heat insulation materials are arranged in the space; each constant temperature water tank is internally provided with a heating device, a temperature cooling device and a temperature control device; the heating device, the temperature cooling device and the temperature control device are all electrically connected with the touch screen controller; an ear thermometer detection black body and a forehead thermometer detection black body are arranged in the constant-temperature water tank; notches are formed in the top end and the side end of the constant-temperature water tank; the ear thermometer detection black body is vertically placed into the constant-temperature water tank from the notch at the top end of the constant-temperature water tank, a circle of cover plate is arranged outside the top end of the ear thermometer detection black body, and the ear thermometer detection black body is placed on the notch at the top end of the constant-temperature water tank through the cover plate; the forehead thermometer detects the blackbody and imbeds in the constant temperature basin cell body from constant temperature basin side notch. The device realizes that one device can simultaneously complete the detection of three temperature points of the infrared thermometers in batches.
Description
Technical Field
The utility model belongs to clinical thermometer measurement field, especially an infrared clinical thermometer detection device of three-groove integral type.
Background
The infrared thermometer (including infrared ear thermometer and infrared forehead thermometer) is the most popular non-contact body temperature measuring instrument at present, has the advantages of high measuring speed, contact avoidance and the like, and can quickly and effectively check fever and fever crowds in places with large flow of people, so that the accuracy of the quantity value is particularly important. Because the national metrological verification regulation JJJG 1164-2019 infrared ear thermometer verification regulation makes relevant regulations on a blackbody cavity special for detecting an infrared ear thermometer, the blackbody cavity special for detecting the infrared ear thermometer is different from the blackbody cavity for detecting the infrared forehead thermometer, at present, an integrated detection device which simultaneously meets two national technical specifications of JJG1164-2019 infrared ear thermometer verification regulation and JJF1107-2003 infrared thermometer calibration regulation for measuring human body temperature does not exist. JJG1164-2019 infrared ear thermometer verification regulations and JJF1107-2003 infrared thermometer calibration regulations for measuring human body temperature stipulate that: the detection temperature points of the infrared ear thermometer are 35.0 ℃, 37.0 ℃ and 41.5 ℃, and the detection temperature points of the infrared forehead thermometer are 30.0 ℃, 34.0 ℃ and 38.0 ℃; at present, a three-groove integrated type one-key temperature control detection device for three groove bodies, which is used for loading two infrared thermometer black bodies simultaneously, is not available.
With the issuance of JJG1164-2019 infrared ear thermometer calibration regulations, a liquid tank type ear thermometer blackbody cavity is required to be used for calibration in new regulations, the conventional detection device is mostly dry, a few liquid tank type detection devices are single tanks, the detection efficiency is low, large-batch detection tasks are difficult to deal with, and the method is particularly prominent in epidemic situations.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an infrared clinical thermometer detection device of three groove integral type to realize that an equipment accomplishes the detection problem of the three temperature point of big batch infrared clinical thermometer simultaneously, solve the problem that infrared forehead thermometer, infrared ear thermometer integration detected in advance an instrument integration, and can accord with two national technical specification's of JJJG 1164-2019 "infrared ear thermometer examination regulation" and JJF1107-2003 "infrared thermometer calibration specification of measuring human body temperature" technical requirement simultaneously.
Realize the utility model discloses the technical solution of purpose does:
a three-groove integrated infrared thermometer detection device is characterized by comprising a case, a touch screen controller and three constant-temperature water grooves, wherein the touch screen controller is arranged at the upper end of the case;
a certain space is arranged between every two constant-temperature water tanks, and heat insulation materials are arranged in the space; each constant temperature water tank is internally provided with a heating device, a temperature cooling device and a temperature control device; the heating device, the temperature cooling device and the temperature control device are all electrically connected with the touch screen controller; the temperature control device is used for controlling the temperature in the constant-temperature water tanks, and each constant-temperature water tank is internally provided with a standard platinum resistance thermometer for detecting the actual temperature of the constant-temperature water tank;
an ear thermometer detection black body and a forehead thermometer detection black body are arranged in the constant-temperature water tank; notches are formed in the top end and the side end of the constant-temperature water tank; the ear thermometer detection black body is vertically placed into the constant-temperature water tank from the notch at the top end of the constant-temperature water tank, a circle of cover plate is arranged outside the top end of the ear thermometer detection black body, and the ear thermometer detection black body is placed on the notch at the top end of the constant-temperature water tank through the cover plate; the forehead thermometer detects the blackbody and imbeds in the constant temperature basin cell body from constant temperature basin side notch.
Compared with the prior art, the utility model, it is showing the advantage and is:
(1) the infrared forehead thermometer and the infrared ear thermometer can be detected simultaneously by using one device, and the technical requirements of two national measurement technical specifications of JJJG 1164-2019 infrared ear thermometer verification regulations and JJF1107-2003 infrared thermometer calibration specifications for measuring human body temperature can be met simultaneously.
(2) The forehead thermometer black body is compressed in a threaded manner by the compression cover in combination with the sealing ring, so that a good sealing and waterproof effect is achieved, the forehead thermometer black body can be conveniently taken out at any time when the forehead thermometer black body is not used for a long time, and oxidation is prevented; the heat insulation ring is arranged between the pressure plate and the pressing cover of the forehead thermometer black body, so that the heat insulation effect is achieved, and the forehead thermometer black body is prevented from being damaged by hard friction with the forehead thermometer black body when the pressing cover is screwed tightly.
(3) The problem of using touch-sensitive screen controller one key to set for infrared forehead thermometer, infrared ear thermometer three different temperature check point to can self-define according to user's demand and set for other temperature check points, three temperature point expandes the detection simultaneously, very improves detection efficiency.
Drawings
Fig. 1 is the whole machine schematic view of the three-groove integrated infrared thermometer detection device of the utility model.
Fig. 2 is the horizontal embedding mode schematic diagram of the forehead thermometer blackbody.
Fig. 3 is a schematic structural view of the tank body heating device of the present invention (the connecting pipeline is omitted).
Fig. 4 is a schematic view of the groove body hidden channel type temperature circulation structure of the present invention.
Fig. 5 is a schematic view of the touch screen control interface of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
With reference to fig. 1-5, the three-tank integrated infrared thermometer detecting device of the present invention comprises a case 1, a touch screen controller 2 disposed at the upper end of the case 1, and three constant temperature water tanks 3; a certain space is arranged between every two constant-temperature water tanks 3, and polytetrafluoroethylene heat insulation materials are arranged in the space to eliminate the influence caused by temperature difference heat conduction when the temperature is set to be different;
each constant temperature water tank 3 is internally provided with a heating device 16, a temperature cooling device and a temperature control device; the heating device 16, the temperature cooling device and the temperature control device are all electrically connected with the touch screen controller 2; the temperature control device is used for controlling the temperature in the constant-temperature water tanks 3, and each constant-temperature water tank 3 is provided with a standard platinum resistance thermometer for detecting the actual temperature of the constant-temperature water tank 3. The heating device 16 and the temperature cooling device are used for heating or cooling the constant-temperature water tank, the temperature control device is used for detecting the real-time temperature in the constant-temperature water tank, and the touch screen controller 2 is used for setting and displaying a detection mode, setting and displaying the tank body temperature of each tank body, setting a tank body temperature error correction value and displaying an emissivity correction value; an ear thermometer detection black body 4 (the length is about 11cm) and a forehead thermometer detection black body 5 (the length is about 25cm) are arranged in the constant-temperature water tank 3; the top end and the side end of the constant-temperature water tank 3 are both provided with notches 31; the ear thermometer detection black body 4 is vertically placed into the constant-temperature water tank 3 from a top notch 31 of the constant-temperature water tank 3, a temperature sensing area of the ear thermometer detection black body 4 is completely immersed in liquid in the constant-temperature water tank 3, a circle of cover plate is arranged outside the top end of the ear thermometer detection black body 4 and is placed on the top notch 31 of the constant-temperature water tank 3 through the cover plate, and the ear thermometer detection black body 4 can be directly taken out along with the cover plate on the top when not in use; the forehead thermometer detection black body 5 is embedded into the groove body of the constant temperature water tank 3 from the side end notch 31 of the constant temperature water tank 3.
In one embodiment, a flange 32 is welded on a side end notch of the constant-temperature water tank 3, and the flange 32 is provided with external threads for threaded connection of the pressing cover 6; a pressure plate 51 is arranged at the port of the thermometer detection blackbody 5, a circle of sealing groove 52 with the depth of 2mm is arranged at the bottom of the pressure plate 51, and a 3mm sealing ring 7 is arranged in the sealing groove 52; the pressing cover 6 is provided with internal threads, the middle of the pressing cover is provided with a through hole, and a forehead thermometer probe is placed in the forehead thermometer detection black body 5; a heat insulation ring 8 is arranged between the pressing cover 6 and the pressing plate 51; the pressing cover 6 is combined with the sealing ring 7 to press the forehead thermometer black body 5 in a threaded manner, so that a good sealing and waterproof effect is achieved, the forehead thermometer black body 5 can be conveniently taken out at any time when the forehead thermometer black body is not used for a long time, and oxidation is prevented; the heat insulation ring 8 is arranged between the pressure plate 51 of the forehead thermometer black body 5 and the pressing cover 6, so that the heat insulation effect is achieved, and the forehead thermometer black body 5 is prevented from being damaged by hard friction with the forehead thermometer black body 5 when the pressing cover 6 is screwed tightly.
Preferably, the heat insulation ring 8 is a tetrafluoroethylene heat insulation ring.
The heating device 16 is a heating pipe arranged in the constant-temperature water tank 3.
The cooling device is fixed in the case 1 and comprises a compressor 9, a coil 17, a condenser 11 and a throttling element which are connected through pipelines; a fan 18 is arranged at the side end of the condenser 11; the touch screen controller 2 comprises a PID controller and a touch screen which are electrically connected; the temperature control device adopts a platinum resistance sensor above AA level; the constant temperature water tank 3 is provided with a platinum resistance sensor above AA level by using a temperature control instrument, the temperature is accurately controlled by a PID controller self-setting control mode, the temperature detection point is slightly higher than the normal room temperature, so that the heating device 16 generally works first, the temperature control instrument detects the temperature rise and immediately triggers a cooling device switch, the compressor 9 is matched with the condenser 11 to start, high-pressure steam is discharged to the condenser 11 and condensed into high-pressure liquid, the high-pressure liquid enters the coil 17 after passing through the filter and the throttling element, and the high-pressure liquid is evaporated under corresponding low pressure to absorb the surrounding heat. The coil 17 is arranged around the stirring device 15 in the constant-temperature water tank 3 and is used for reducing the temperature of the medium of the constant-temperature water tank, and the PID controller utilizes the proportional-integral control function to control the power relation of heating and cooling supplied to the constant-temperature water tank, so that the constant-temperature water tank can quickly reach the highest temperature stability after reaching a temperature set point and is constant at a temperature value.
The three-tank integrated infrared thermometer detection device in the embodiment further comprises a stirring device 15, wherein the stirring device 15 comprises a stirring motor 151 and a stirring rod 152 arranged on a rotating shaft of the stirring motor, and the stirring motor 151 is fixed on the case; in order to enable the tank body to reach high-performance technical indexes of uniformity not more than 0.020 ℃ and stability not more than 0.010 ℃/10min required by JJJG 1164-2019 infrared ear thermometer calibration regulations during operation, and to reduce the volume space of the constant-temperature tank body as much as possible under the condition of reaching the technical indexes, a solid baffle 33 is welded in the constant-temperature water tank 3 close to the bottom, a hollow baffle 34 is welded in the vertical direction, a stirring rod is separated from a cavity for placing a black body in the constant-temperature water tank 3, a dark path structure is formed among the hollow baffle 34, the baffle 33 and the bottom of the constant-temperature water tank 3, and liquid in the constant-temperature water tank 3 can form good backflow circulation effects at the upper layer, the middle layer and the lower layer under the cooperation of a stirring device 15 with controllable power and rotating speed, so that the optimal temperature uniformity and.
Furthermore, a plurality of heat dissipation holes 1-1 are formed in the periphery of the bottom of the case 1, and a plurality of supporting rollers 18 are arranged at the bottom of the case 1, so that the case can be moved and carried conveniently.
The whole screen of the touch screen controller is divided into four control pages. The main control page can select a detection mode (including an ear temperature mode and a forehead temperature mode), and the three constant temperature water tanks 3 are sequentially and automatically set at constant temperature of 35.0 ℃, 37.0 ℃ and 41.5 ℃ in the ear temperature mode, and the three constant temperature water tanks 3 are sequentially and automatically set at constant temperature of 30.0 ℃, 34.0 ℃ and 38.0 ℃ in the forehead temperature mode; the other three sub-control pages are respectively independent control pages of each constant temperature water tank 3, the temperature of the tank body can be freely set, and the error of the temperature of the tank body can be corrected by inputting a correction value according to an actual measurement standard value of a standard platinum resistance thermometer. In addition, the main control page also has an automatic emissivity correction function, an AA grade platinum resistance thermometer of the system measures the ambient temperature in real time, and the emissivity correction value is automatically calculated according to a correction value formula introduced that the emissivity of a black body of the ear thermometer is less than 1:
Δtε＝TRAD-TBB ………(2)
in the formula, TRADIs the black body radiation temperature (unit: K) of the ear thermometer and is calculated by the formula (1); epsilonBBThe emissivity of the ear thermometer black body is (unit: 1), is related to factors such as the internal structure, coating material, surface roughness and the like of the black body, and is manually input on the touch screen by a user; t isBBThe temperature of the black body (unit: K) of the ear thermometer, namely the actual temperature of the constant-temperature water tank body, is obtained by actual measurement of a standard platinum resistance thermometer, the standard platinum resistance thermometer is used as a main standard device for detecting the actual temperature value of the water tank and assigning the temperature of the black body (T)BB) Meanwhile, the temperature of the water tank can be corrected according to the actual temperature value, and the corrected value of the emissivity is calculated by substituting the corrected value of the emissivity into a calculation formula. EpsilonIRFor ear temperatureThe emissivity (unit: 1) of the probe of the ear thermometer is related to factors such as the appearance, materials and structure of the probe of the ear thermometer, whether a probe protective cover is used or not, and is manually input on the touch screen by a user; t isIRThe temperature (unit: K) of the probe of the ear thermometer is generally equal to the temperature of the external environment by default, and is measured in real time by a platinum resistance thermometer arranged on the equipment (preferably, an AA grade platinum resistance thermometer is adopted); Δ tεAnd obtaining the corrected emissivity value finally. The compensation algorithm is an existing algorithm and is not an improvement of the present invention.
The utility model uses the touch screen controller to accurately control the temperature to reach the temperature point to be detected, and solves the problems of quick one-key setting and automatic correction of emissivity influence of different detection temperature points of the infrared forehead thermometer and the infrared ear thermometer; by utilizing the characteristics of high uniformity and good stability of a liquid medium and a black body made of thin-wall high-thermal-conductivity red copper material with excellent thermal conductivity, the temperature is transmitted to a cavity black body radiation source with high emissivity (each thermostatic water tank body comprises an ear thermometer detection black body cavity and a forehead thermometer detection black body cavity, respectively), the ear thermometer detection black body cavity with smaller length is vertically embedded, the forehead thermometer detection black body cavity with larger length is transversely embedded without mutual influence, the thermostatic tank space is utilized to the maximum extent, the problem of integrated detection of an infrared forehead thermometer and an infrared ear thermometer and an instrument is solved, and the technical requirements of two national technical specifications of JJJG 1164-2019 infrared ear thermometer verification specification and JJF1107-2003 infrared thermometer calibration specification for measuring the temperature of a human body can be simultaneously met.
Claims (10)
1. A three-groove integrated infrared thermometer detection device is characterized by comprising a case (1), a touch screen controller (2) arranged at the upper end of the case (1) and three constant-temperature water grooves (3);
a certain space is arranged between every two constant-temperature water tanks (3), and heat insulation materials are arranged in the space; each constant temperature water tank (3) is internally provided with a heating device (16), a temperature cooling device and a temperature control device; the heating device (16), the temperature cooling device and the temperature control device are all electrically connected with the touch screen controller (2), the temperature control device is used for controlling the temperature in the constant-temperature water tanks (3), and each constant-temperature water tank (3) is provided with a standard platinum resistance thermometer for detecting the actual temperature of the constant-temperature water tank (3);
an ear thermometer detection black body (4) and a forehead thermometer detection black body (5) are arranged in the constant-temperature water tank (3); the top end and the side end of the constant-temperature water tank (3) are both provided with notches (31); the ear thermometer detection black body (4) is vertically placed into the constant-temperature water tank (3) from a top notch (31) of the constant-temperature water tank (3), a circle of cover plate is arranged outside the top end of the ear thermometer detection black body (4), and the ear thermometer detection black body is placed on the top notch (31) of the constant-temperature water tank (3) through the cover plate; the forehead thermometer detection black body (5) is embedded into the groove body of the constant temperature water tank (3) from a side end notch (31) of the constant temperature water tank (3).
2. The three-tank integrated infrared thermometer detection device as claimed in claim 1, wherein a flange (32) is welded to a side end notch of the thermostatic water tank (3), and the flange (32) is provided with external threads for threaded connection of the pressing cover (6); a pressure plate (51) is arranged at the port of the forehead thermometer detection blackbody (5), a sealing groove (52) is arranged at the bottom of the pressure plate (51), and a sealing ring (7) is arranged in the sealing groove (52); the pressing cover (6) is provided with internal threads; and a heat insulation ring (8) is arranged between the pressing cover (6) and the pressing plate (51).
3. The three-tank integrated infrared thermometer detection device as claimed in claim 1, further comprising a stirring device (15), wherein the stirring device (15) comprises a stirring motor (151) and a stirring rod (152) arranged on a rotating shaft of the stirring motor, and the stirring motor (151) is fixed on the case; be close to the bottom in constant temperature water tank (3) and be fixed with solid baffle (33), be fixed with fretwork baffle (34) along vertical direction, separate the cavity of placing the black body in stirring rod and constant temperature water tank (3) for form the dark track structure between fretwork baffle (34), solid baffle (33) and constant temperature water tank (3) bottom.
4. The three-slot integrated infrared thermometer detection device as claimed in claim 1, wherein the cooling device is fixed in the case (1) and comprises a compressor (9), a coil (17), a condenser (11) and a throttling element which are connected through a pipeline; a fan (18) is arranged at the side end of the condenser (11); the coil (17) is arranged around the stirring device (15) in the constant-temperature water tank (3).
5. The three-tank integrated infrared thermometer detection device as claimed in claim 1, wherein the thermal insulation material is polytetrafluoroethylene.
6. The three-tank integrated infrared thermometer detection device as claimed in claim 1, wherein the temperature control device employs a platinum resistance sensor above grade AA.
7. The three-groove integrated infrared thermometer detection device as claimed in claim 2, wherein the thermal insulation ring (8) is a tetrafluoroethylene thermal insulation ring.
8. The triple-tank integrated infrared thermometer detection device as claimed in claim 1, characterized in that the heating device (16) employs a heating tube disposed within a thermostatic water tank (3).
9. The three-groove integrated infrared thermometer detection device as claimed in claim 1, wherein a plurality of heat dissipation holes (1-1) are formed in the bottom of the case (1) around the circumference, and a plurality of support rollers are arranged at the bottom of the case (1).
10. The three-groove integrated infrared thermometer detection device as claimed in claim 1, wherein the ear thermometer detection black body (4) and the forehead thermometer detection black body (5) are both made of red copper material.
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| CN202021033446.1U CN212658340U (en) | 2020-06-08 | 2020-06-08 | Three-groove integrated infrared thermometer detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358232A (en) * | 2021-04-26 | 2021-09-07 | 湖北省计量测试技术研究院 | Infrared body temperature calibrating device of double-cavity black body radiation source |
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2020
- 2020-06-08 CN CN202021033446.1U patent/CN212658340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358232A (en) * | 2021-04-26 | 2021-09-07 | 湖北省计量测试技术研究院 | Infrared body temperature calibrating device of double-cavity black body radiation source |
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