CN102961124B - Thermosensitive forehead temperature gun, forehead temperature measuring method and operating method of thermosensitive forehead temperature gun - Google Patents

Abstract

The invention discloses a heat-sensitive forehead temperature gun, a method for measuring forehead temperature and an operating method of the heat-sensitive forehead temperature gun. The heat-sensitive forehead temperature gun is provided with an IC circuit board, and one end of the IC circuit board is connected to a heat-sensitive sensor through a circuit; The top of the thermal sensor is placed on a steel cap at the front end of the inner part of the probe through a variable foamed polystyrene or other elastic heat insulating material, and the inner part of the probe and the steel cap A probe is provided on the outside, and the probe is clamped on one end of an upper cover and a lower cover. Forehead temperature measurement method, including A. Start the thermal forehead temperature gun and query the ambient temperature; B. Touch the probe to the forehead of the measured person to calculate the forehead temperature of the measured person. The operation method of the thermal forehead temperature gun is white heat sensitive forehead The software module of the temperature gun calculates the thermal sensor, the change of the resistance value obtains the body temperature of the person being measured and displays it on the display. damage.

Description

A heat-sensitive forehead temperature gun, a method for measuring forehead temperature, and a method for operating the heat-sensitive forehead temperature gun

technical field

The invention relates to an electronic temperature measuring device, in particular to a heat-sensitive forehead temperature gun, a method for measuring forehead temperature, and a method for operating the heat-sensitive forehead temperature gun.

Background technique

At present, the existing commonly used temperature measuring devices are generally mercury thermometers. Mercury thermometers are widely used because of their high measurement accuracy. However, mercury thermometers are made of glass shells, which are not easy to carry and store, and are easily damaged. The medium, after being damaged, is not environmentally friendly during production and processing; and the mercury thermometer needs to be placed under the armpit or in the mouth for 3-5 minutes to ensure the accuracy of the measurement when measuring body temperature. The temperature value can only be read at a specific angle, which brings inconvenience to the person being measured. There is also an infrared temperature measuring device, which measures according to the intensity of infrared rays emitted by the human body. Although the infrared temperature measuring device has a fast measurement speed, the infrared temperature measuring device is extremely susceptible to external factors ( For example: the influence of light, measurement distance, ambient temperature and external heat source, etc.) leads to inaccurate temperature measurement, so it is urgent to solve the above problems.

Contents of the invention

In view of the above problems, the object of the present invention is to propose a thermosensitive forehead temperature gun, a forehead temperature measurement method and a thermosensitive forehead temperature gun operation method with short temperature measurement time, accurate temperature measurement and easy to carry, and the thermosensitive forehead temperature gun of the present invention The forehead temperature gun uses the different ways of LED lighting to make it easy for the person being measured to identify the test result and the status of the test.

The present invention has the following advantages due to the adoption of the above technical scheme:

A heat-sensitive forehead temperature gun is provided with an upper cover and a lower cover, an IC circuit board is arranged between the upper cover and the lower cover, and one end of the IC circuit board is connected to a heat-sensitive sensor through a circuit, and the heat-sensitive sensor wears A probe internal part is sheathed through a copper ring; the top of the thermal sensor is placed in a steel cap at the front end of the probe internal part through a variable foamed polystyrene top, and the probe A probe is fixed on the inner part of the head and outside the steel cap, and the probe is clamped on one end of the upper cover and the lower cover.

The copper ring is arranged between the IC circuit board and the thermal sensor, and one end is close to the thermal sensor.

The other end of the IC circuit board is provided with a spring for connecting the battery; the IC circuit board is connected to a display through a conductive strip; the IC circuit board is also provided with an indicator light for prompting the temperature measurement state and the state to be tested.

The other end of the IC circuit board is provided with a spring for connecting the battery; the IC circuit board is connected to a display through a conductive strip; the IC circuit board is also provided with a voice IC and a loudspeaker for reporting test results.

One end of the upper cover is provided with a pen hanger for fixing the heat-sensitive forehead temperature gun, and a panel is provided on the position corresponding to the display on the upper cover.

The lower cover is provided with a battery cover at a position corresponding to the battery.

The IC circuit board is also provided with a software module running on the heat-sensitive forehead temperature gun.

A method for measuring forehead temperature, comprising the steps of:

A. The thermal forehead temperature gun is started to obtain the resistance value and ambient temperature on the thermal sensor;

B. The probe of the thermal forehead temperature gun touches the forehead of the subject to obtain the resistance value on the thermal sensor at this time, according to the highest temperature Tm measured within the measurement time corresponding to the resistance value, the ambient temperature Ta and the temperature of the thermal sensor The quality coefficient K, through the formula: K×Tm+(1-K)×Ta=T, calculates the actual forehead temperature T of the person being measured.

After the measurement of the forehead temperature is completed, the thermal sensor is helped to dissipate heat through the copper ring, and the state to be tested is restored;

The probe of the heat-sensitive forehead temperature gun touches the forehead of the subject for 5-10 seconds.

A method for operating a heat-sensitive forehead thermometer, comprising the following steps:

a. The user turns on the control button, and the software module starts running at the same time;

b. The software detects the resistance value on the thermal sensor through the current, calculates the current ambient temperature, and the display shows that it is ready for work; at the same time, the LED indicator light flashes, indicating that the state to be tested is completed;

c. The probe touches the forehead of the subject to be measured, and the software module detects the change information of the resistance value of the thermistor through the current, and compares the changes per second, and queries the temperature resistance value correspondence table of the thermistor, and calls out the corresponding temperature;

d. Displayed on the display and reported by the buzzer;

e. Use the copper ring to help the thermal sensor dissipate heat, detect the resistance of the thermal sensor through software, and recalculate the ambient temperature;

f. Continue to measure the temperature.

The information provided by the change information of the resistance value of the thermal sensor includes; the ambient temperature, the temperature of the measured person; the change of the temperature in the measurement process, and the temperature change software module after the measurement is completed to accurately calculate the current temperature of the measured person through these information. temperature, and the preparation for the second measurement.

The heat-sensitive forehead thermometer of the present invention overcomes various drawbacks of mercury thermometers, can quickly and effectively measure accurate temperature values, is easy to carry, is not easy to damage, and is widely applicable to places such as homes, hospitals, and stations. The forehead temperature measurement method of the present invention overcomes the influence of other external factors such as ambient temperature through formula calculation in the software module, and can more accurately measure the body temperature of the person being measured. The operation method of the heat-sensitive forehead temperature gun of the present invention is simple in operation, quick and convenient.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the heat-sensitive forehead temperature gun of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the heat-sensitive forehead temperature gun of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with the examples.

As shown in Figure 1 and Figure 2, it is a schematic structural view of the heat-sensitive forehead temperature gun of the present invention. It is provided with an upper cover 1 and a lower cover 2, and an IC circuit board 3 is arranged between the upper cover 1 and the lower cover 2. One end of the IC circuit board 3 is connected to the thermosensitive sensor 4 through a circuit, and the thermosensitive sensor 4 passes through a copper ring 5 and a probe inner part 6 is sleeved outside, and the copper ring 5 is arranged on the IC circuit board 3 and the thermal sensor. Between the sensors 4, one end is close to the thermal sensor 4; the top of the thermal sensor 4 is placed in the probe head through a variable foamed polystyrene or other elastic heat insulating material On a steel cap 7 at the front end of the part 6, a probe 8 is fixed outside the inner part 6 and the steel cap 7 of the probe head, and the probe 8 is clamped at one end of the upper cover 1 and the lower cover 2.

The other end of the IC circuit board 3 is provided with a spring 30 for connecting the battery, and the IC circuit board 3 is connected to a display 32 through a conductive strip 31 . The IC circuit board 3 is also provided with an indicator light 33 , a buzzer 34 and a control button 35 for reporting the reading displayed on the display 32 .

One end of the upper cover 1 is provided with a pen holder 11 for fixing a heat-sensitive forehead temperature gun, and a panel 12 is provided on the upper cover 1 corresponding to the position of the display 32 . The lower cover 2 is provided with a battery cover 21 at a position corresponding to the battery. The IC circuit board 3 is also provided with a software module for running the heat-sensitive forehead temperature gun.

A method for measuring forehead temperature of the present invention comprises the following steps:

A. Start the thermal forehead temperature gun to obtain the resistance value on the thermal sensor and the ambient temperature Ta;

The thermistor TS503 is selected as the thermal sensor of the thermal forehead temperature gun of the present invention, and the query is performed according to the temperature resistance corresponding table of the thermal resistor TS503, the table is as follows:

R25＝48KΩ±3％

B25/85＝3953K±1％

B. The probe of the thermal forehead temperature gun touches the forehead of the subject to obtain the resistance value on the thermal sensor at this time, and according to the resistance value corresponds to the highest temperature Tm measured within the measurement time, the quality coefficient K of the thermal sensor and the environment For the temperature Ta, the actual forehead temperature T of the subject is calculated by the formula: K×Tm+(1-K)×Ta=T.

After the forehead temperature measurement is completed, the thermal sensor is helped to dissipate heat through the copper ring, and the state to be tested is restored.

The probe of the heat-sensitive forehead temperature gun touches the forehead of the subject for 5-10 seconds.

Since the thermistor will have a high resistance value to a low resistance value when the probe of the thermal forehead temperature gun touches the forehead of the person being measured, then the corresponding displayed temperature will be from low to high, and the highest value measured within the measurement time The temperature Tm is the highest temperature within this period.

A method for operating a heat-sensitive forehead temperature gun according to the present invention, the specific operating process of which is as follows:

a. The user turns on the control button, and the software module starts running at the same time;

b. The software detects the resistance value on the thermal sensor through the current, calculates the current ambient temperature, and the display shows that it is ready for work; at the same time, the LED indicator light flashes, indicating that the state to be tested is completed;

c. The probe touches the forehead of the subject to be measured, and the software module detects the change information of the resistance value of the thermal sensor through the current, compares the changes per second, and queries the temperature resistance value correspondence table of the thermistor TS503, and calls out the corresponding temperature;

d. Displayed on the display and reported by the buzzer;

e. Use the copper ring to help the thermal sensor dissipate heat, detect the resistance of the thermal sensor through software, and recalculate the ambient temperature;

f. Continue to measure the temperature.

The probe of the heat-sensitive forehead temperature gun of the present invention only needs to touch the forehead of the subject for 5-10 seconds, and it does not need to be placed for a long time, so it is convenient to use. At the same time, the information provided by the change information of the resistance value of the thermal sensor includes: the ambient temperature Ta, the maximum temperature Tm within the measurement time and the quality coefficient K of the thermal sensor. The software module accurately calculates the current temperature of the measured object through these information, and prepares for the next measurement.

The present invention is only described with the above-mentioned embodiments, and each inventive step can be changed. On the basis of the technical solution of the present invention, all improvements and equivalent transformations carried out to individual processes according to the principles of the present invention should not be excluded from the scope of the present invention. outside the scope of protection.

Claims (9)

1. A thermosensitive forehead temperature gun is provided with an upper cover and a lower cover, characterized in that: an IC circuit board is arranged between the upper cover and the lower cover, and one end of the IC circuit board is connected to a thermal sensor through a circuit, The heat-sensitive sensor passes through a copper ring and sets a probe internal part; the top of the heat-sensitive sensor is placed on a steel plate at the front end of the probe internal part through a variable foamed polystyrene In the cap, a probe is fixed on the inner part of the probe head and the outside of the steel cap, and the probe is clamped on one end of the upper cover and the lower cover; the IC circuit board is also equipped with software for the operation of the heat-sensitive forehead temperature gun module; the probe of the thermal forehead temperature gun touches the forehead of the subject to obtain the resistance value on the thermal sensor at this time, and the highest temperature Tm measured within the measurement time corresponding to the resistance value, the ambient temperature Ta and the temperature of the thermal sensor The quality coefficient K, through the formula: K×Tm+(1-K)×Ta=T, calculates the actual forehead temperature T of the person being measured. 2. A heat-sensitive forehead thermometer according to claim 1, wherein the copper ring is arranged between the IC circuit board and the heat-sensitive sensor, and one end is closely attached to the heat-sensitive sensor. 3. A heat-sensitive forehead temperature gun as claimed in claim 1, characterized in that: the other end of the IC circuit board is provided with a spring for connecting the battery; the IC circuit board is connected to a display through a conductive strip; The IC circuit board is also provided with an indicator light for prompting the temperature measurement state and the state to be tested. 4. A heat-sensitive forehead temperature gun as claimed in claim 1, characterized in that: the other end of the IC circuit board is provided with a spring for connecting the battery; the IC circuit board is connected to a display through a conductive strip; The IC circuit board is also provided with a voice IC and a loudspeaker for reporting test results. 5. A heat-sensitive forehead temperature gun according to claim 1, characterized in that: one end of the upper cover is provided with a pen hanger for fixing the heat-sensitive forehead temperature gun, and a position corresponding to the display is provided on the upper cover. panel. 6. A heat-sensitive forehead thermometer according to claim 1, wherein a battery cover is provided on the lower cover corresponding to the battery. 7. A method for measuring forehead temperature, comprising the steps of: A. The thermal forehead temperature gun is started to obtain the resistance value and ambient temperature on the thermal sensor; B. The probe of the thermal forehead temperature gun touches the forehead of the subject to obtain the resistance value on the thermal sensor at this time, according to the highest temperature Tm measured within the measurement time corresponding to the resistance value, the ambient temperature Ta and the temperature of the thermal sensor Quality coefficient K, through the formula: K×Tm+(1-K)×Ta=T, calculate the actual forehead temperature T of the person being measured; After the measurement of the forehead temperature is completed, the thermal sensor is helped to dissipate heat through the copper ring, and the state to be tested is restored; The probe of the heat-sensitive forehead temperature gun touches the forehead of the subject for 5-10 seconds. 8. A method for operating a heat-sensitive forehead temperature gun, comprising the following steps: a. The user turns on the control button, and the software module starts running at the same time; b. The software detects the resistance value on the thermal sensor through the current, calculates the current ambient temperature, and the display shows that it is ready for work; at the same time, the LED indicator light flashes, indicating that the state to be tested is completed; c. The probe touches the forehead of the subject to be measured, and the software module detects the change information of the resistance value of the thermistor through the current, and compares the changes per second, and queries the temperature resistance value correspondence table of the thermistor, and calls out the corresponding temperature; The probe of the thermal forehead temperature gun touches the forehead of the subject to obtain the resistance value on the thermal sensor at this time, according to the highest temperature Tm measured within the measurement time corresponding to the resistance value, the ambient temperature Ta and the quality coefficient of the thermal sensor K, through the formula: K×Tm+(1-K)×Ta=T, calculate the actual forehead temperature T of the person being measured; d. Displayed on the display and reported by the buzzer; e. Use the copper ring to help the thermal sensor dissipate heat, detect the resistance of the thermal sensor through software, and recalculate the ambient temperature; f. Continue to measure the temperature. 9. A method for operating a heat-sensitive forehead thermometer according to claim 8, wherein the information provided by the change information of the resistance value of the heat-sensitive sensor includes: ambient temperature, temperature of the person under test; measurement process The temperature change, the temperature change software module after the measurement is completed, accurately calculates the current temperature of the measured object through these information, and prepares for another measurement.