KR20220012519A - Non-facing and non-contact smart temperature sensing device - Google Patents

Abstract

The present invention relates to a non-face-to-face and non-contact smart temperature sensing device which comprises: a sensor unit including a proximity sensor and a thermal image temperature sensor; a display unit including an alarm means including any one of a status indicator and a speaker and a display for displaying temperature; and a controller including a sensor driver operating the thermal image temperature sensor by operation of the proximity sensor, an output unit outputting a subject's body temperature measured by the thermal image temperature sensor to the display, and an alarm unit operating the alarm means when the body temperature is higher than a preset reference temperature. According to the present invention, body temperature is automatically measured in a non-contact manner to generate an alarm, thereby providing an effect of ensuring stability while reducing waste of manpower.

Description

NON-FACING AND NON-CONTACT SMART TEMPERATURE SENSING DEVICE

The present invention relates to a non-face-to-face and non-contact smart temperature sensing device, and more specifically, to a non-face-to-face and non-contact method without contact with a subject, while ensuring safety, measuring body temperature to determine whether a virus is infected, as well as sterilization function and external temperature It relates to a temperature sensing device that can be operated by securing stability in various places, including a function to correct temperature accordingly.

The COVID-19 virus, which occurred at the end of 2019, has rapidly changed the lifestyles of modern people as it has become an immortal event after the war in this century.

In other words, due to the characteristics of being able to be infected only by close contact in daily life, it is now a so-called untact era, which is a factor that changes various daily lives.

In particular, in order to identify a person suspected of having an infection due to a raised body temperature, it is becoming common to have a temperature check at various indoor places, including shops and public institutions, and then only allow those who do not have a high body temperature to enter. I am using the method of checking the body temperature by coming in contact with other body parts.

However, no matter how much a temperature checker wears a mask, he is exposed to an environment where he can come in contact with many people for a long period of time. In the environment, there is no choice but to follow the limitations of checking the body temperature one by one.

In order to solve this inconvenience, Korean Patent Laid-Open No. 10-2020-00066918, 'A device and method for controlling a door based on a non-contact body temperature measurement,' includes a photographing unit that uses an image camera and a thermal imaging camera to photograph a subject; an identification unit for recognizing the photographed person's face to identify the photographed access target; a guidance information providing unit providing guidance information for guiding the identified entry and exit subjects to open their mouths; a body temperature measuring unit for measuring a central body temperature of the identified entry/exit target from the inside of the opened mouth; and a control unit that determines whether the identified entry/exit subject is allowed to enter based on at least one of the recognized face or the measured central body temperature, and controls the door based on the determined entry/exit availability, in a non-contact manner It is posted as providing the characteristic of controlling the door by measuring body temperature.

However, according to the above technology, since separate equipment for controlling the door is required, there is a problem that only non-contact body temperature measurement cannot be easily performed in the currently equipped building facility, and another inconvenience of having to provide a door control means is present. do.

Therefore, a novel and advanced temperature sensing device that measures the body temperature of a subject in a non-contact manner without any complicated means of controlling or controlling the door and then generates an alarm when a subject with a high body temperature is found so that follow-up measures can be taken quickly The need for development is emerging.

The present invention has been devised to overcome the problems of the above technology, and a main object of the present invention is to provide a temperature sensing device capable of automatically detecting whether a subject is in proximity and then measuring the subject's body temperature to generate an alarm.

Another object of the present invention is to provide a means for re-measuring body temperature while sterilizing the surroundings by operating a sterilization lamp when a high body temperature is detected.

Another object of the present invention is to be compatible with seasonal temperature changes in summer or winter and to be universally utilized by correcting a reference temperature according to the high and low of the external temperature.

In order to achieve the above object, a non-face-to-face and non-contact smart temperature sensing device according to the present invention includes: a sensor unit including a proximity sensor and a thermal image temperature sensor; a display unit having an alarm means consisting of any one of a status indicator light and a speaker, and a display for displaying a temperature; A sensor driving unit for operating the thermal image temperature sensor by the operation of the proximity sensor, an output unit for outputting the subject's body temperature measured by the thermal image temperature sensing sensor to the display, and the body temperature is higher than a preset reference temperature It characterized in that it comprises; a controller having an alarm unit for operating the alarm means.

In addition, the device includes a UV lamp, and the controller includes a sterilization processing unit for re-measuring the subject's body temperature through the thermal image temperature sensor while operating the UV lamp when the alarm is activated by the alarm means. characterized.

In addition, the controller is characterized in that it includes a temperature output unit for outputting the body temperature to the label of the label printer in a state interlocked with the label printer through the communication means.

According to the non-face-to-face and non-contact smart temperature sensing device according to the present invention,

1) By automatically measuring body temperature in a non-contact manner and generating an alarm, it is possible to reduce manpower wastage and ensure safety,

2) When a subject with a high body temperature occurs, sterilize and measure the subject's body temperature again to ensure more accurate verification and safety at the same time.

3) It can be used for authentication purposes by interlocking with the printer to display the measured body temperature, and at the same time,

4) It has the effect of providing a smarter body temperature measurement environment by detecting changes in external temperature and then correcting the standard temperature value based on artificial intelligence.

1 is a perspective view showing a schematic appearance of a smart temperature sensing device of the present invention.
2 is a block diagram showing a specific configuration of the smart temperature sensing device of the present invention.
3 is a conceptual diagram showing a UV lamp added to the smart temperature sensing device of the present invention.
Figure 4 is a flow chart showing a process for preparing the stabilizer added to the buffer layer of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings are not drawn to scale, and like reference numbers in each drawing refer to like elements.

1 is a perspective view showing a schematic appearance of a smart temperature sensing device of the present invention.

As can be seen from FIG. 1 , the smart temperature sensing device of the present invention measures the temperature inside and outside the housing 10 in a state in which the housing 10 is erected with a predetermined height like a kiosk. It is based on including various configurations such as means to do so.

In FIG. 1 , the housing 10 is illustrated as a kiosk type having a shape like 'a', but it is not limited thereto and may be formed in various three-dimensional shapes.

The temperature sensing device of the present invention based on such a housing can be installed at the entrance of a building or means of transportation used by a large number of users, such as general offices, transportation buses, welfare centers, daycare centers, and schools.

Basically, the temperature sensing device of the present invention includes a sensor unit 20 , a display unit 30 , and a controller 100 via the housing 10 .

The sensor unit 20 detects the presence of a temperature measurement target (hereinafter referred to as a 'subject') and then performs a function of measuring the temperature, including a proximity sensor 21 and a temperature sensor 22 . do it with

The proximity sensor 21 is a known motion sensor or motion sensor, and provides a function of detecting whether a subject is close to the periphery of the housing. The proximity sensor 21 may be formed on one side of the housing 10 . In FIG. 1 , it is illustrated that the proximity sensor 21 is mounted on the front of the housing 10 .

The thermal imaging temperature sensor 22 performs a function of detecting the subject's body temperature by expressing it in different colors depending on the temperature in a non-contact/non-face-to-face manner. Unlike a known thermometer, the subject's body temperature is separated from the subject's skin figure out

For example, the thermal imaging temperature sensor 22 may be composed of, for example, a thermal imaging camera and an image analyzer, which analyzes and expresses the color of a thermal image of a subject photographed by the thermal imaging camera in different colors. Through the color, the body temperature of the subject can be determined. The thermal imaging temperature sensor of the present invention may be made of a known thermal imaging temperature measuring device, and two or more may be installed depending on the usage environment.

The thermal image temperature sensor 22 is also mounted on one side of the housing 10 , and in FIG. 1 , it is exemplified that it is mounted on the front side of the housing 10 , which is an upper side of the proximity sensor 21 .

Referring to FIG. 1 , it can be seen that the display unit 30 is mounted on one side of the housing 10 , specifically, on the upper surface of the housing 10 .

The display unit 30 includes a display 31 and an alarm means 32 .

The display 31 performs a function of visually outputting the subject's body temperature measured by the above-described thermal image temperature sensor 22, and the alarm means 32 is a specific temperature, that is, when the subject's body temperature is higher than the reference temperature. As a function of outputting a visual or audible alarm, it may be formed of either a status indicator for displaying a visual alarm or a speaker for outputting a sound.

Here, the 'reference temperature' refers to a temperature at which the subject's body temperature is suspected, for example, may be set to 37.5 to 38 ° C, which is a temperature at which an initial disease infected with a virus such as corona virus is suspected, and this standard The temperature may be set and stored in the controller 100 to be described later.

If the alarm means 32 is made of a status indicator light, the status indicator light is composed of a green light and a red light. In this case, a red light may be turned on.

2 is a block diagram showing a specific configuration of the smart temperature sensing device of the present invention.

The controller 100 has software for performing a specific function installed in hardware mediated by a board having a central processing unit (CPU) and a memory inside the housing 10 , and specifically, the sensor driver 110 . ), an output unit 120 , and an alarm unit 130 .

The sensor driving unit 110 performs a function of operating the thermal image temperature sensor 22 by the operation of the proximity sensor 21 .

The output unit 120 serves to display the body temperature of the subject measured by the thermal image temperature sensor 22 on the display.

The alarm unit serves to operate the above-described alarm means when the subject's body temperature is higher than the reference temperature.

In other words, the temperature sensing device of the present invention detects whether the subject is in proximity, then measures the subject's body temperature and displays it on the display 31. If the measured body temperature is higher than the reference temperature, an alarm is sent through the alarm means 32 It can provide a basis for classifying as a suspected virus infection by generating

That is, the temperature sensing device according to the present invention measures the temperature of a subject in a non-face-to-face/non-contact manner, and performs a function of smartly preventing the risk that the corresponding building or transportation means may be heated from the virus while maintaining the hygiene of the temperature measurer.

3 is a conceptual diagram illustrating a UV lamp added to the smart temperature sensing device of the present invention.

Referring to FIG. 3 , it can be seen that the UV lamp 40 is installed on one side of the housing 10 .

The UV lamp 40 refers to a lamp that emits ultraviolet rays, and may include, for example, an LED lamp that emits UV-C ultraviolet rays having a wavelength of 200 to 280 nm that provides a sterilization function.

In response to this, the controller 100 performs a function of re-measuring the subject's body temperature through the thermal image temperature sensor 22 while operating the UV lamp 40 when an alarm is generated from the above-described alarm means 32 . It may include a sterilizing unit 140 that

In other words, when the subject's body temperature is high, the temperature sensing device of the present invention first operates the UV lamp 40 to sterilize the space around the housing 10 as well as the subject's area, and then measures the subject's body temperature again to predict a suspect. It is possible to provide a basis for more accurately measuring the body temperature of a subject.

Additionally, as can be seen from FIG. 3 again, it is possible for the controller 100 to include the temperature output unit 150 in a state interlocked with the label printer 200 .

The temperature output unit 150 is connected to the label printer 200 via a wired communication means such as a cable or a wireless communication means such as Bluetooth to output body temperature on the display 31 and to the label of the label printer 200 at the same time. Provides a function to print body temperature.

In this case, the label printer 200 refers to a known printer that performs printing through a label such as a sticker.

According to this function, for example, when the environment in a specific building requires the qualification of a subject measured at normal temperature, this label can be attached to one side of the subject's body to prove that he is a person with normal temperature.

Furthermore, as mentioned above, the temperature sensing device of the present invention can be installed in various places inside and outside the building. Since there is a high probability that an error may be generated, a function of correcting a preset reference temperature, for example, 37.5 to 38° C., is additionally provided in order to reduce the error.

To this end, the sensor unit 20 performs a function of measuring the ambient temperature in which the temperature sensing device of the present invention is installed, not the subject, including the external temperature sensing sensor 24 for measuring the external temperature.

At the same time, the sensor driver 110 further includes a correction part 111 .

The correction part 111 serves to generate a correction temperature in which the reference temperature is corrected based on the external temperature measured by the external temperature sensor 24 .

For example, if the external temperature is -10°C in winter, the subject's body temperature may also be lowered. Therefore, if the reference temperature is set to 38°C, the reference temperature is lowered to 37.5°C to generate the corrected temperature, that is, the corrected temperature. In addition, if the external temperature is 30°C in summer, the subject's body temperature may rise, so if the reference temperature is set to 38°C, it is possible to set this reference temperature as a correction temperature that is raised to 38.5°C.

Correspondingly, the above-described alarm unit 130 may operate the above-described alarm means 32 when the body temperature is higher than the newly set correction temperature.

In summary, the temperature sensing device of the present invention can adjust the virus infection suspicion standard of the subject by comparing it with the subject's body temperature based on the corrected temperature at which the reference temperature is reset according to the high and low of the external temperature.

Additionally, the temperature sensing device of the present invention provides a means for more accurately correcting the reference temperature by additionally reflecting factors that may affect the subject's body temperature, such as external temperature as well as relative humidity and light quantity.

To this end, the sensor unit 20 may further include a light quantity measurement sensor 25 and a humidity measurement sensor 26 .

The light quantity measurement sensor 25 provides a function of detecting the amount of light, and since external factors such as sunlight can also be factors that increase the subject's temperature, the basis for measuring the amount of light around the temperature sensing device of the present invention is provided. to provide.

The amount of light can be used in units such as lm/min and talbot (lm/sec). In the present invention, it is possible to set so that the high and low of the amount of light can be divided into high and low values based on a certain time (for example, 10 seconds). do. To this end, the light quantity measurement sensor can display the light quantity with relative numerical values such as 0, 1, 2, 3 when the light quantity is low, and 3 when the light quantity is high. It's called 'number'.

The humidity sensor 26 performs a function of measuring the relative humidity of the external environment in which the temperature sensing device of the present invention is installed. For example, the relative humidity can be measured in percentage units such as 60% and 80%. .

Correspondingly, the above-described correction part 111 may generate a correction temperature obtained by correcting the reference temperature based on the light quantity level value, the relative humidity, and the external temperature.

More specifically, the correction part 111 may generate a correction temperature through Equation 1 below.

Equation 1.

는 보정 온도(℃),

는 기준 온도(37.5 내지 38.5℃), T는 외부 온도(℃), H는 상대습도(%), LV은 상기 광량 레벨 수치(

로서, 광량이 많을수록 증가).here,

is the calibration temperature (℃),

is the reference temperature (37.5 to 38.5 ℃), T is the external temperature (℃), H is the relative humidity (%), LV is the light level value (

, which increases as the amount of light increases).

Equation 1 basically gives weight to the external temperature as the main factor and the relative humidity and light level as a minor factor. is set to be added as a factor that can increase the subject's body temperature, and it was established through many experiments and trial and error.

For example, if the external temperature in summer is 30 ° C, the reference temperature is 38 ° C, the relative humidity is 70%, and the light level value is 2, applying Equation 1,

It can be raised to about 0.7 ℃ than the reference temperature as shown.

On the other hand, when the external temperature in winter is -10 °C, the reference temperature is 38 °C, the relative humidity is 20%, and the light level value is 2, applying this Equation 1,

It can be lowered to about 0.5°C than the reference temperature.

In other words, the main factor that sets the correction temperature is set to the external temperature, but it is set in a non-linear proportional relationship such as hypertangent, so that the tanh value exceeds 0.5 or falls below -0.5. After converging to a certain value, it can be said that the corrected value is set as the corrected temperature by adding the relative humidity and high and low values of light quantity as negative factors rather than the rising/lowering value of temperature.

In other words, it is possible to provide a basis for more accurately correcting the external temperature by correcting the correction value due to the external temperature to a value obtained by multiplying the relative humidity and the amount of light.

Additionally, it is possible to apply a buffer layer (not shown) to the surface of the housing 10 on which the above-described thermal image temperature sensor 22 is installed.

The buffer layer serves to prevent a problem that may be adversely affected by external temperature during temperature measurement due to metal-specific conductivity when the housing 10 in which the thermal imaging temperature sensor 22 is mounted is made of a metal material. This buffer layer serves to provide an external impact protection function by including rubber as a main material, as well as a heat dissipation function and a heat transfer mitigation function, that is, a heat insulating function, on the surface of the housing 10 made of, for example, a metal material.

Furthermore, it is possible for the buffer layer to include a stabilizer including rubber, wherein the buffer layer may consist of a mixture of 80 to 90 parts by weight of rubber and 10 to 20 parts by weight of a stabilizer including trimethylolpropane.

The stabilizer including trimethylolpropane provides a function of improving thermal insulation properties on the surface of the housing 10 .

Specifically, the stabilizer may be included in a ratio of 1 to 15% by weight based on the total weight of the reinforcing material, and in this case, 'included' may include the meaning of simple mixing, application, and coating.

These stabilizers include a first mixed material preparation step (S300), a second mixed material preparation step (S310), a third mixed material preparation step (S320), a fourth mixed material preparation step (S330), and a stabilizer completion step (S340). can be manufactured through

First, in the first mixed material preparation step (S300), 50 to 65 parts by weight of pyrophosphoric acid and 35 to 50 parts by weight of 1,4-butanediol are mixed at 35 to 65° C. As a process for preparing the mixed material, it is preferable to slowly add 1,4-butanediol to pyrophosphoric acid and then stir the mixture. In addition, after completing the above steps, it is preferable to age the first mixed material for 80 to 120 minutes in order to reduce the exothermic reaction, and then proceed to the next step.

Here, pyrophosphoric acid is a phosphorus-based flame retardant component, and serves to impart thermal insulation and thermal stability based on flame retardancy to the stabilizer, and 1,4-butanediol serves as a solvent.

Next, the second mixed material preparation step (S310) is a process of preparing a second mixed material by mixing 75 to 90 parts by weight of ethyl ether and 10 to 25 parts by weight of the first mixed material, followed by stirring for 20 to 30 hours, the reaction It is a process in which a large amount of phosphoric acid, a by-product generated during the process, is dissolved in ethyl ether and removed.

At this time, if the stirring is carried out for a shorter time than the above-mentioned stirring time, the by-product is not dissolved in ethyl ether, so that the quality of the stabilizer may be deteriorated, so it is preferable to proceed with the step according to the above-mentioned stirring time.

Thereafter, the third mixed material preparation step (S320) is 40 to 55 parts by weight of trichlorobenzoic acid, 20 to 35 parts by weight of trimethylol propane, 1 to 10 parts by weight of toluene, 0.5 to 5 parts by weight of phosphoric acid After mixing the parts, it is a process of preparing a third mixed material by heating at 210 to 220° C. for 18 to 22 hours.

Here, trichlorobenzoic acid is a chlorine-based flame retardant component and, like the above-described pyrophosphoric acid, provides thermal insulation and thermal stability based on flame retardancy to the stabilizer, and trimethylolpropane serves as a monomer for synthesizing the stabilizer. In addition, phosphoric acid is a catalyst for accelerating the reaction rate of the production of the fourth mixed material, which will be described later, and toluene serves as a solvent for dissolving the phosphoric acid.

Next, the fourth mixed material preparation step (S330) is performed by mixing 30 to 40 parts by weight of n-hexane, 20 to 30 parts by weight of methylene chloride, and 5 to 15 parts by weight of the third mixed material, followed by drying under reduced pressure at 45 to 55° C. This is the process of making a mixture.

At this time, n-hexane and methylene chloride serve as a solvent to remove the unreacted material remaining in the third mixed material, and through the above process, the unreacted material in the third mixed material is removed to improve the quality of the stabilizer. can be promoted

Finally, the stabilizer completion step (S340) is a process of completing the stabilizer by mixing 40 to 60 parts by weight of the second mixed material and 40 to 60 parts by weight of the fourth mixed material at 40 to 60 °C. That is, by mixing the second mixed material containing the phosphorus-based flame-retardant component pyrophosphoric acid and the fourth mixed material containing the chlorine-based flame-retardant component trichlorobenzoic acid, it is possible to complete a stabilizer excellent in heat insulation and high temperature stability based on flame retardancy. .

The stabilizer completed through this process may be included in the buffer layer to assist the surface of the housing 10 to have stable properties at high temperatures, as well as to improve thermal insulation.

As described so far, the configuration and operation of the non-face-to-face and non-contact smart temperature sensing device according to the present invention are expressed in the above description and drawings, but this is merely an example and the spirit of the present invention is not limited to the above description and drawings. It goes without saying that various changes and modifications are possible without departing from the technical spirit of the present invention.

10: housing 20: sensor unit
21: proximity sensor 22: thermal image temperature sensor
24: external temperature sensor 25: light quantity sensor
26: humidity sensor 30: display unit
31: display 32: alarm means
40: UV lamp 100: controller
110: sensor driver 111: compensation part
120: output unit 130: alarm unit
140: sterilization processing unit 150: temperature output unit
200: label printer

Claims (8)

A non-face-to-face and contactless smart temperature sensing device comprising:
a sensor unit including a proximity sensor and a thermal image temperature sensor;
a display unit having an alarm means consisting of any one of a status indicator light and a speaker, and a display for displaying a temperature;
A sensor driving unit for operating the thermal image temperature sensor by the operation of the proximity sensor, an output unit for outputting the subject's body temperature measured by the thermal image temperature sensing sensor to the display, and the body temperature is higher than a preset reference temperature A smart temperature sensing device comprising a; a controller having an alarm unit that operates the alarm means when the alarm occurs. The method of claim 1,
The device is
including a UV lamp;
The controller is
Smart temperature sensing device, characterized in that it comprises a sterilization processing unit for re-measuring the body temperature of the subject through the thermal image temperature sensor while operating the UV lamp when the alarm is activated by the alarm means. The method of claim 1,
The controller is
A smart temperature sensing device, characterized in that it includes a temperature output unit for outputting the body temperature to the label of the label printer in a state linked to the label printer through a communication means. The method of claim 1,
The sensor unit,
Including an external temperature sensor for measuring the external temperature,
The sensor driver,
and a correction part for generating a correction temperature by correcting the reference temperature based on the external temperature measured by the external temperature sensor,
The alarm unit,
When the body temperature is higher than the correction temperature, the smart temperature sensing device, characterized in that operating the alarm means. 5. The method of claim 4,
The sensor unit,
It includes a light quantity measuring sensor that measures the amount of light to generate a light quantity level value of 1 to 3, and a humidity measuring sensor that measures relative humidity,
The correction part is
A smart temperature sensing device, characterized in that the correction temperature is generated based on the light quantity level value, relative humidity, and the external temperature. 6. The method of claim 5,
The correction part is
A smart temperature sensing device, characterized in that the correction temperature is generated through the following Equation (1).
Equation 1.

(here,

is the calibration temperature (℃),

is the reference temperature (37.5 to 38.5 ℃), T is the external temperature (℃), H is the relative humidity (%), LV is the light level value (

, which increases as the amount of light increases)) The method of claim 1,
In the vicinity of the thermal image temperature sensor,
A smart temperature sensing device, characterized in that a buffer layer containing 80 to 90 parts by weight of rubber and 10 to 20 parts by weight of a stabilizer containing trimethylolpropane is applied. 8. The method of claim 7,
The stabilizer is
preparing a first mixed material by mixing 50 to 65 parts by weight of pyrophosphoric acid and 35 to 50 parts by weight of 1,4-butanediol at 35 to 65° C.;
preparing a second mixed material by mixing 75 to 90 parts by weight of ethyl ether and 10 to 25 parts by weight of the first mixed material, followed by stirring for 20 to 30 hours;
After mixing 40 to 55 parts by weight of trichlorobenzoic acid, 20 to 35 parts by weight of trimethylolpropane, 1 to 10 parts by weight of toluene, and 0.5 to 5 parts by weight of phosphoric acid, 210 to 220° C. for 18 to 22 hours heating while preparing a third mixed material;
30 to 40 parts by weight of n-hexane, 20 to 30 parts by weight of methylene chloride, and 5 to 15 parts by weight of the third mixed material, followed by drying under reduced pressure at 45 to 55° C. to prepare a fourth mixed material;
Completing the stabilizer by mixing 40 to 60 parts by weight of the second mixed material and 40 to 60 parts by weight of the fourth mixed material at 40 to 60° C.; characterized in that it is manufactured through, a smart temperature sensing device.

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