CN212030768U - Wearable body temperature monitoring module and device - Google Patents
Wearable body temperature monitoring module and device Download PDFInfo
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- CN212030768U CN212030768U CN202020439146.7U CN202020439146U CN212030768U CN 212030768 U CN212030768 U CN 212030768U CN 202020439146 U CN202020439146 U CN 202020439146U CN 212030768 U CN212030768 U CN 212030768U
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Abstract
A wearable body temperature monitoring module and a wearable body temperature monitoring device are characterized by comprising an aluminum substrate; the aluminum substrate is provided with a battery, a temperature detection unit, a comparison unit, a control unit and an alarm unit, wherein one surface of the aluminum substrate is used for being in contact with a human body when in use, and the other surface of the aluminum substrate is provided with the battery; wherein: the temperature detection unit is used for detecting the temperature change of the aluminum substrate and transmitting detection data to the comparison unit; the comparison unit is used for comparing the detection data with preset data and sending a control signal to the control unit; and the control unit is used for responding to the control signal so as to control the alarm unit to give an alarm. The battery is connected with the temperature detection unit, the comparison unit and the alarm unit, the comparison unit is connected with the control unit, and the control unit is connected with the alarm unit. The electronic alarm has the advantages of high sensitivity, capability of effectively reminding a wearer and peripheral personnel to attach attention, simple structure, stable work, low power consumption, low cost, and easy implementation, popularization and application.
Description
Technical Field
The utility model relates to a body temperature detects, especially relates to a wearable body temperature monitoring module and device are relevant.
Background
According to the existing body temperature detection, the contact type and the non-contact type are mainly adopted, only temporary field test can be basically carried out, a long-term monitoring means is lacked, and particularly, the body temperature is monitored in real time in a place with dense personnel and the inconvenience is caused. The existing technology applies body temperature test to wearable devices, has the attribute characteristics of multiple functions, complex structure, high cost and the like, but also has the defects of unsatisfactory monitoring effect and practical application, and does not appear to be well popularized in the market. In view of the above, there is a need to develop a special module or device which is simple in structure, easy to implement, and accurate in measurement and monitoring.
SUMMERY OF THE UTILITY MODEL
For solving prior art not enough, the utility model provides a wearable body temperature monitoring module and device, sensitivity is high, can effectively remind wearer and peripheral personnel to arouse and attach, simple structure, job stabilization, low power dissipation, with low costs, easy to carry out and popularization and application.
In order to realize the purpose of the utility model, the following scheme is proposed:
a wearable body temperature monitoring module is characterized by comprising an aluminum substrate;
the aluminum substrate is provided with a battery, a temperature detection unit, a comparison unit, a control unit and an alarm unit, wherein one surface of the aluminum substrate is used for being in contact with a human body when in use, and the other surface of the aluminum substrate is provided with the battery; wherein:
the temperature detection unit is used for detecting the temperature change of the aluminum substrate and transmitting detection data to the comparison unit;
the comparison unit is used for comparing the detection data with preset data and sending a control signal to the control unit;
and the control unit is used for responding to the control signal so as to control the alarm unit to give an alarm.
The battery is connected with the temperature detection unit, the comparison unit and the alarm unit, the comparison unit is connected with the control unit, and the control unit is connected with the alarm unit.
And the comparison unit comprises an operational amplifier U1, wherein a pin 5 of the comparison unit is connected with the anode of the battery, a pin 2 of the comparison unit is connected with the cathode of the battery, and a pin 4 of the comparison unit is connected with the anode of the battery through a resistor R4.
The temperature detection unit comprises an NTC thermistor R1, one end of the NTC thermistor R1 is connected with a pin 3 of the operational amplifier U1, and the other end of the NTC thermistor R1 is connected with the positive electrode of the battery.
The control unit comprises a switching tube Q4, a G pin of the switching tube Q4 is connected with a pin 1 of an operational amplifier U1 through a current limiting resistor R9, an S pin of the switching tube G is connected with the cathode of a battery, and a D pin of the switching tube G is connected with the alarm unit through a protective resistor R24.
The alarm unit comprises at least one of an acoustic alarm device BUZZER1, a vibration motor M1 and a light alarm LED 3:
the sound alarm device BUZZER1 is used for responding to the control of the control unit to send out a sound alarm signal, the positive pole of the sound alarm device is connected with the positive pole of the battery, and the negative pole of the sound alarm device is connected with the D pin of the switch tube Q4;
the vibration motor M1 is used for giving out vibration alarm in response to the control of the control unit, the anode of the vibration motor M1 is connected with the anode of the battery, and the cathode of the vibration motor M1 is connected with the D pin of the switch tube Q4;
and the light alarm LED3 is used for sending out a light alarm signal in response to the control of the control unit, the anode of the light alarm LED3 is connected with the anode of the battery through a resistor R10, and the cathode of the light alarm LED3 is connected with the D pin of the switching tube Q4.
Further, still include the calibration unit who is connected with the temperature-detecting element, the calibration unit includes: a resistor R2 connected with pin 3 of the operational amplifier U1; a resistor R14 connected in series with the resistor R2; a resistor R11 connected in series with the resistor R14; a resistor R15 connected in series with the resistor R11; a resistor R12 connected in parallel with the resistor R15; the other ends of the resistor R15 and the resistor R12 are connected with the negative electrode of the battery.
Further, still include power detecting element for detect the real-time voltage of the battery of power supply, include: and the other end of the detection resistor R3 is connected with the battery cathode, and the other end of the detection resistor R3 is connected with a pin 4 of the operational amplifier U1.
Further, the battery is a button battery or a rechargeable battery.
A wearable body temperature monitoring device comprises
A housing; and
the wearable body temperature monitoring module is assembled on the shell;
after assembly, the surface of the aluminum substrate, which is used for contacting with a human body in use, is exposed out of the shell.
Further, the housing includes: the wearable body temperature monitoring module comprises a frame body, a temperature sensor and a temperature sensor, wherein the frame body is provided with an accommodating cavity for accommodating components except an aluminum substrate in the wearable body temperature monitoring module; and the cover body matched with one surface of the frame body; the aluminum substrate is mounted on the other surface of the frame.
Furthermore, the frame body is provided with at least one pair of first assembling platforms matched with the aluminum substrate and at least one pair of second assembling platforms matched with the cover body; wherein:
the height of a table top of the first assembly table matched with the aluminum substrate is lower than that of the frame body, the height difference is matched with the thickness of the aluminum substrate, the table top is provided with a first screw hole, and the aluminum substrate is fixed on the first assembly table through the first screw hole by a bolt;
the height of the table top of the second assembly table matched with the cover body is lower than that of the frame body, the height difference is matched with the thickness of the cover body, a second screw hole is formed in the table top, and the cover body penetrates through the second screw hole through a bolt and is fixed on the second assembly table.
Furthermore, the first assembly table and the second assembly table are integrally formed with the frame body.
Further, the frame body is provided with a hanging hole for the wearing rope to penetrate through.
The beneficial effects of the utility model reside in that:
when the module or the device is applied, the module or the device is worn in the chest or other places convenient to contact with a human body, the material characteristics of the aluminum substrate are fully utilized, the module or the device can be used as a bearing component and has good heat conduction performance, when a heat balance state is achieved through heat conduction and transmission of the aluminum substrate and the human body, the collected temperature of the aluminum substrate is very close to the temperature of the human body, operation and discharge comparison and judgment are carried out through collecting the temperature of the aluminum substrate, and therefore an on-off alarm unit is realized through the switch tube Q4; the body temperature monitoring sensitivity is extremely high, and the wearer and surrounding personnel can be effectively reminded of paying attention to the body temperature monitoring sensitivity; the circuit is simple, the work is stable, the power consumption is extremely low, the current of the whole standby state is only 0.03mA under the condition of adopting a 3V button battery for power supply, the alarm state is about 10mA, one common 2032 button battery can be standby for about 200 days, the alarm state can continuously work for about 24 hours, and the comprehensive use endurance time can reach more than 100 days; meanwhile, the scheme is provided with a detection unit for taking the real-time voltage of the battery as a reference source for comparison, so that errors caused by reference voltage changes in the traditional ADC analog-to-digital conversion circuit which is relatively complex and high in cost can be effectively avoided; the structure is greatly simplified, the whole card shape is flat, the wearing at the chest or the arm is facilitated, the cost is low, the implementation is very easy, and the market large-scale production and application are facilitated.
Drawings
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.
Fig. 1 shows a schematic block diagram of an embodiment of the present invention.
Fig. 2 shows a schematic block circuit diagram of an embodiment of the present invention.
Fig. 3 shows an exploded view of a device structure according to an embodiment of the present invention.
Fig. 4 shows an exploded view of the device structure of the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Examples
The wearable body temperature monitoring module provided by this embodiment, as shown in fig. 1, includes an aluminum substrate 1, and a battery, a temperature detecting unit, a comparing unit, a control unit, and an alarm unit, which are disposed on the aluminum substrate 1. The battery is connected with the temperature detection unit, the comparison unit and the alarm unit, the comparison unit is connected with the control unit, and the control unit is connected with the alarm unit.
Specifically, the battery is used for supplying power to the temperature detection unit, the comparison unit, the control unit and the alarm unit. In some embodiments of the present example, the battery can be a button battery, for example, 3V, which can meet both the power supply requirement and the requirement that the module structure tends to be flat, and is beneficial to realizing small size of the module.
Specifically, the aluminum substrate 1, one surface of which is used to contact a human body during use, conducts heat with the human body through the material characteristics of the aluminum substrate 1, and then reaches thermal equilibrium, thereby serving as a temperature collection source. The battery, the temperature detection unit, the comparison unit, the control unit and the alarm unit are arranged on the other surface of the aluminum substrate 1. Through the arrangement mode, on one hand, the bearing and heat conduction characteristics of the aluminum substrate 1 are utilized, and the structure miniaturization of the module is favorably and better planned.
Specifically, the temperature detection unit is used for detecting the temperature change of the aluminum substrate 1 and transmitting the detection data to the comparison unit; the comparison unit is used for comparing the detection data with preset data and sending a control signal to the control unit; and the control unit is used for responding to the control signal so as to control the alarm unit to give an alarm.
When the module is used, the module is worn in the chest or other places convenient to contact with a human body, the material characteristics of the aluminum substrate 1 are fully utilized, the module can be used as a bearing component and can also have good heat conduction performance, when a heat balance state is achieved through heat conduction transmission of the aluminum substrate and the human body, the temperature of the aluminum substrate 1 is very close to the temperature of the human body, the comparison unit compares the temperature of the aluminum substrate 1 by acquiring the temperature of the aluminum substrate 1, a control command/signal is sent to the control unit according to a comparison result, and the control unit controls the opening of the alarm unit according to the control command/signal, so that the alarm is given when the temperature is abnormal.
Fig. 2 shows one specific implementation circuit structure of the present example.
And the comparison unit comprises an operational amplifier U1, wherein a pin 5 of the comparison unit is connected with the anode of the battery, a pin 2 of the comparison unit is connected with the cathode of the battery, and a pin 4 of the comparison unit is connected with the anode of the battery through a resistor R4. The operational amplifier U1 is used as a comparator for comparing the voltages of R4 and R1 to obtain the comparison result of the detection data and the preset data.
The temperature detection unit comprises an NTC thermistor R1, one end of the NTC thermistor R1 is connected with a pin 3 of the operational amplifier U1, and the other end of the NTC thermistor R1 is connected with the positive electrode of the battery.
The control unit comprises a switching tube Q4, a G pin of the switching tube Q4 is connected with a pin 1 of an operational amplifier U1 through a current limiting resistor R9, an S pin of the switching tube G is connected with the cathode of a battery, and a D pin of the switching tube G is connected with the alarm unit through a protective resistor R24.
The alarm unit shown in fig. 2 includes an acoustic alarm device BUZZER1, a vibration motor M1, and a light alarm LED 3. Wherein: the sound alarm device BUZZER1 is used for responding to the control of the control unit to send out a sound alarm signal, the positive pole of the sound alarm device is connected with the positive pole of the battery, and the negative pole of the sound alarm device is connected with the D pin of the switch tube Q4; the vibration motor M1 is used for giving out vibration alarm in response to the control of the control unit, the anode of the vibration motor M1 is connected with the anode of the battery, and the cathode of the vibration motor M1 is connected with the D pin of the switch tube Q4; and the light alarm LED3 is used for sending out a light alarm signal in response to the control of the control unit, the anode of the light alarm LED3 is connected with the anode of the battery through a resistor R10, and the cathode of the light alarm LED3 is connected with the D pin of the switching tube Q4. Of course, at least one of the sound alarm device BUZZER1, the vibration motor M1 and the light alarm LED3 may be selected for implementation according to the actual development and application requirements.
The specific working of the above example illustrates:
(1) the operational amplifier U1 is used as a voltage comparator and is powered by a battery, a pin 5 is connected with the anode of the battery, a pin 2 is connected with the cathode of the battery, and pins 3 and 4 are used for detecting the voltages of R4 and R1, when the voltage of R1 is lower than that of R4, the pin 1 is immediately changed from a low-level output state to a high-level output state, because the whole circuit is powered by the battery and the voltage of the battery is in a gradually-reduced state, the voltage of R1 is changed in real time along with the voltage change of the battery, a voltage comparison source is ensured to be always consistent with the reference of the compared voltage, the additional power consumption caused by a voltage stabilizing circuit and a voltage stabilizing circuit is saved, the Q4 is used as a switching tube, the G pin is connected with the pin 1 of U1, the S pin is connected with the cathode of the power supply, and the D pin is connected with the cathodes;
(2) when the temperature of the thermistor R1 for detecting the body temperature rises, the self resistance linear value is reduced, according to the principle of series resistance, under the premise that the resistance value of the series resistance R2 is not changed, the voltage of the parallel resistance R1 rises and falls according to the rise and fall of the resistance value, and when the voltage of R1 is higher than the voltage of R2 due to the rise of the temperature, the pin 1 of the operational amplifier U1 is changed from a low-level output state to a high-level output state;
(3) at the moment, the pin 1 of the operational amplifier U1 is in a high-level output state, is connected to the G pin of the Q1 after being subjected to current limiting through the R9, the resistance value between the S pin and the D pin of the Q1 is close to 0 ohm, and the LEDs 3, the M1 and the BUZZER1 are immediately electrified to enter a working state to generate sound light and vibration alarm to remind a wearer and surrounding people of abnormal body temperature.
As a preferred embodiment of the above example, a calibration unit connected to the temperature detection unit is further included. The calibration unit includes: the resistor R2 is connected with the pin 3 of the operational amplifier U1, and the resistor R14 is connected with the resistor R2 in series; a resistor R11 connected in series with the resistor R14; a resistor R15 connected in series with the resistor R11; a resistor R12 connected in parallel with the resistor R15; the other ends of the resistor R15 and the resistor R12 are connected with the negative electrode of the battery.
The resistors R11, R12, R14 and R15 are used as circuit calibration devices and are used for calibrating semiconductor components due to accuracy problems in the actual production process. The resistor R11 is used as a series resistor point for temperature debugging, and the resistor is increased to raise the alarm temperature. The resistor R12 is used as a parallel resistor point for temperature debugging, and the resistor is reduced to reduce the alarm temperature. Through the matching arrangement of the rising and the lowering, the calibration of temperature detection is realized, and the accuracy of the temperature detection of the circuit is further ensured.
As a preferred embodiment of the above example, the ADC further includes a power detection unit, configured to detect a real-time voltage of a battery supplying power, and use the real-time voltage of the battery as a reference source for comparison, so as to effectively avoid an error caused by a change in a reference voltage in a conventional relatively complex and costly ADC analog-to-digital conversion circuit, where the power detection unit includes: and the other end of the detection resistor R3 is connected with the battery cathode, and the other end of the detection resistor R3 is connected with a pin 4 of the operational amplifier U1.
An embodiment of a wearable body temperature monitoring device provided for the present application at the same time includes: a housing; and a wearable body temperature monitoring module mounted to the housing as described in the previous embodiments. After assembly, the aluminum substrate 1 is exposed to the case on a surface thereof to be in contact with a human body in use. The frame body is provided with a hanging hole for the wearing rope to penetrate through.
As shown in fig. 3 to 4, specifically, the housing includes: the frame body 2 is provided with an accommodating cavity and used for accommodating components except the aluminum substrate 1 in the wearable body temperature monitoring module; and a cover 3 fitted to one surface of the frame 2; the aluminum substrate 1 is mounted on the other surface of the frame 2.
As a more specific embodiment, the frame body 2 is provided with at least a pair of first mounting stages 21 to be engaged with the aluminum substrate 1, and at least a pair of second mounting stages 22 to be engaged with the lid body 3; in the embodiment, the first mounting table 21 and the second mounting table 22 are integrally formed with the frame body 2.
The height of a table top of the assembly table 21 matched with the aluminum substrate 1 is lower than that of the frame body 2, the height difference is matched with the thickness of the aluminum substrate 1, the table top is provided with a first screw hole, and the aluminum substrate 1 penetrates through the first screw hole through a bolt and is fixed on the first assembly table 21; the height of the table top of the second assembly table 22 matched with the cover body 3 is lower than that of the frame body 2, the height difference is matched with the thickness of the cover body 3, a second screw hole is formed in the table top, and the cover body 3 penetrates through the second screw hole through a bolt and is fixed on the second assembly table 22.
Therefore, according to the above embodiment, after the module, the cover 3 and the frame 2 are assembled, the whole device has a flat card-type structure, is compact and simple in structure, has a small volume, and is beneficial to being worn on the positions of the chest or the arms, etc. contacting with the human body.
When the device is used, the device is worn on the chest, the arms or other places convenient to contact with a human body, the material characteristics of the aluminum substrate 1 of the module are fully utilized, the device can be used as a bearing component and has good heat conduction performance, when a heat balance state is reached through heat conduction and transmission of the aluminum substrate 1 and the human body, the temperature of the aluminum substrate 1 is very close to the temperature of the human body, the operation and the discharge are compared and judged by collecting the temperature of the aluminum substrate 1, and therefore the on-off alarm unit is realized by using the switch tube Q4; the body temperature monitoring sensitivity is extremely high, and the temperature monitoring device can effectively remind a wearer and peripheral personnel to attach attention.
In the above example, in the implementation of the module or the device, if the current of the whole standby state is only 0.03mA under the condition of adopting a 3V button battery for power supply, the alarm state is about 10mA, one common 2032 button battery can be in standby for about 200 days, the alarm state can continuously work for about 24 hours, the comprehensive use duration can reach more than 100 days, the power consumption is greatly reduced, the mass production and the scale production are facilitated, and the practicability is higher.
As another embodiment, the battery is a rechargeable battery. An external charging interface matched with a rechargeable battery can be configured on the aluminum substrate 1, and correspondingly, the frame body 2 is provided with a jack matched with the external charging interface. In order to improve the charging effect and manage the charging, the aluminum substrate 1 may further be provided with a power module for converting power of a power source connected to the external charging interface and supplying power to the battery.
The foregoing is merely a preferred embodiment of the invention and is not intended to be exhaustive or to limit the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A wearable body temperature monitoring module is characterized by comprising an aluminum substrate (1);
the aluminum base plate (1) is used for being in contact with a human body when in use, and is provided with a battery, a temperature detection unit, a comparison unit, a control unit and an alarm unit which are powered by the battery; wherein:
the temperature detection unit is used for detecting the temperature change of the aluminum substrate (1) and transmitting detection data to the comparison unit;
the comparison unit is used for comparing the detection data with preset data and sending a control signal to the control unit;
and the control unit is used for responding to the control signal so as to control the alarm unit to give an alarm.
2. The wearable body temperature monitoring module of claim 1, wherein the battery is connected to the temperature detection unit, the comparison unit, and the alarm unit, wherein the comparison unit is connected to the control unit, and the control unit is connected to the alarm unit.
3. The wearable body temperature monitoring module of claim 2, wherein:
the comparison unit comprises an operational amplifier U1, wherein a pin 5 of the operational amplifier U1 is connected with the anode of the battery, a pin 2 of the operational amplifier U is connected with the cathode of the battery, and a pin 4 of the operational amplifier U is connected with the anode of the battery through a resistor R4;
the temperature detection unit comprises an NTC thermistor R1, one end of the NTC thermistor R1 is connected with a pin 3 of the operational amplifier U1, and the other end of the NTC thermistor R1 is connected with the positive electrode of the battery;
the control unit comprises a switching tube Q4, a G pin of the switching tube Q4 is connected with a pin 1 of an operational amplifier U1 through a current limiting resistor R9, an S pin of the switching tube G is connected with the cathode of a battery, and a D pin of the switching tube G is connected with the alarm unit through a protective resistor R24.
4. The wearable body temperature monitoring module of claim 3, wherein the alarm unit comprises at least one of an audible alarm device BUZZER1, a vibration motor M1, a light alarm LED 3:
the sound alarm device BUZZER1 is used for responding to the control of the control unit to send out a sound alarm signal, the positive pole of the sound alarm device is connected with the positive pole of the battery, and the negative pole of the sound alarm device is connected with the D pin of the switch tube Q4;
the vibration motor M1 is used for giving out vibration alarm in response to the control of the control unit, the anode of the vibration motor M1 is connected with the anode of the battery, and the cathode of the vibration motor M1 is connected with the D pin of the switch tube Q4;
and the light alarm LED3 is used for sending out a light alarm signal in response to the control of the control unit, the anode of the light alarm LED3 is connected with the anode of the battery through a resistor R10, and the cathode of the light alarm LED3 is connected with the D pin of the switching tube Q4.
5. The wearable body temperature monitoring module of claim 3, further comprising a calibration unit coupled to the temperature sensing unit, the calibration unit comprising:
a resistor R2 connected with pin 3 of the operational amplifier U1;
a resistor R14 connected in series with the resistor R2;
a resistor R11 connected in series with the resistor R14;
a resistor R15 connected in series with the resistor R11;
a resistor R12 connected in parallel with the resistor R15;
the other ends of the resistor R15 and the resistor R12 are connected with the negative electrode of the battery.
6. The wearable body temperature monitoring module of claim 3, further comprising a power detection unit for detecting a real-time voltage of a powered battery, comprising: and the other end of the detection resistor R3 is connected with the battery cathode, and the other end of the detection resistor R3 is connected with a pin 4 of the operational amplifier U1.
7. The wearable body temperature monitoring module of claim 1, wherein the battery is a button battery or a rechargeable battery.
8. A wearable body temperature monitoring device, comprising:
a housing; and
a wearable body temperature monitoring module according to any one of claims 1 to 7 mounted to a housing;
after assembly, the surface of the aluminum substrate (1) which is used for contacting with the human body in use is exposed out of the shell.
9. The wearable body temperature monitoring device of claim 8, wherein the housing comprises:
the wearable body temperature monitoring module comprises a frame body (2), wherein the frame body (2) is provided with an accommodating cavity for accommodating components except an aluminum substrate (1) in the wearable body temperature monitoring module; and
a cover body (3) matched with one surface of the frame body (2);
the aluminum substrate (1) is mounted on the other surface of the frame (2).
10. The wearable body temperature monitoring device of claim 8, wherein:
the frame body (2) is provided with at least one pair of first assembling platforms (21) matched with the aluminum substrate (1) and at least one pair of second assembling platforms (22) matched with the cover body (3);
the height of a table top of the first assembly table (21) matched with the aluminum substrate (1) is lower than that of the frame body (2), the height difference is matched with the thickness of the aluminum substrate (1), the table top is provided with a first screw hole, and the aluminum substrate (1) is fixed on the first assembly table (21) through the first screw hole by a bolt;
the height of a table top of the second assembly table (22) matched with the cover body (3) is lower than that of the frame body (2), the height difference is matched with the thickness of the cover body (3), a second screw hole is formed in the table top, and the cover body (3) penetrates through the second screw hole through a bolt to be fixed on the second assembly table (22).
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| CN202020439146.7U CN212030768U (en) | 2020-03-31 | 2020-03-31 | Wearable body temperature monitoring module and device |
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| CN202020439146.7U CN212030768U (en) | 2020-03-31 | 2020-03-31 | Wearable body temperature monitoring module and device |
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