CN216449036U - Human body positioning device - Google Patents

Abstract

The disclosure relates to the technical field of human body tracking, and discloses a human body positioning device. The human body positioning apparatus includes: the infrared detection circuit is used for acquiring the ambient temperature and generating a temperature signal based on the detected ambient temperature when the ambient temperature is detected to be greater than or equal to a first temperature threshold; the main control circuit is connected with the infrared detection circuit and used for acquiring the temperature signal and converting the temperature signal into a temperature signal digital quantity to be output; and the digital display circuit is connected with the main control circuit and is used for displaying the temperature signal digital quantity. The utility model provides a human positioning device accessible detects and realizes human location to ambient temperature to the human positioning information who will sense passes through circuit transmission, has reduced use cost, easily goes up the hand in the operation simultaneously, has simple structure, has reduced use cost convenient to use's characteristics simultaneously.

Description

Human body positioning device

Technical Field

The utility model relates to a human body tracking technology field particularly relates to a human body positioning device.

Background

The existing human body shooting and positioning system is basically realized by an image recognition technology. Image information needs to be acquired through recording and broadcasting equipment, the image information is calculated through an algorithm, which area image data changes is distinguished, the position of the human body is further judged, and then the cradle head of the recording and broadcasting equipment is controlled to be positioned at the position where the human body moves.

The popularization and development of human body shooting, positioning, recording and broadcasting are restricted by the fact that the cost of the image recognition technology is too high, the subsequent gradual debugging difficulty is high and the like.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Disclosure of Invention

It is an object of the present disclosure to overcome the above-mentioned deficiencies of the prior art and to provide a body positioning apparatus.

The present disclosure provides a human body positioning apparatus, comprising: the infrared detection circuit is used for acquiring the ambient temperature and generating a temperature signal based on the detected ambient temperature when the ambient temperature is detected to be greater than or equal to a first temperature threshold; the main control circuit is connected with the infrared detection circuit and used for acquiring the temperature signal and converting the temperature signal into a temperature signal digital quantity to be output; and the digital display circuit is connected with the main control circuit and is used for displaying the temperature signal digital quantity.

In an exemplary embodiment of the present disclosure, the infrared detection circuit includes: the infrared sensor is used for acquiring the ambient temperature; the switching circuit comprises a control end, a first end and a second end, wherein the control end is connected with a first set voltage, the first end is connected with the output end of the infrared sensor, the output end is connected with the main control circuit, and the switching circuit is used for outputting the ambient temperature to the main control circuit; first electric potential regulating circuit, including first electric potential input, first electric potential output, second electric potential input and second electric potential output, first electric potential input is connected first settlement voltage, first electric potential output is connected switch circuit's first end, second electric potential input is connected the second and is set for voltage, second electric potential output is connected switch circuit's output, first electric potential regulating circuit is used for adjusting respectively switch circuit's input signal electric potential and output signal electric potential.

In an exemplary embodiment of the present disclosure, the infrared detection circuit further includes: and the input end of the voltage stabilizing circuit is connected with the second set voltage, the output end of the voltage stabilizing circuit is connected with the power supply end of the infrared sensor, the voltage stabilizing circuit is used for outputting the first set voltage, and the first set voltage is also used for supplying power to the infrared sensor.

In an exemplary embodiment of the present disclosure, the main control circuit is further configured to output a switch control signal after acquiring the temperature signal; the digital display circuit comprises: the control end of the nixie tube switch circuit is connected with the main control circuit, the first end of the nixie tube switch circuit is connected with the control pin of the nixie tube, the second end of the nixie tube switch circuit is grounded, and the nixie tube switch circuit is used for responding to the switch control signal to conduct the nixie tube connected with the nixie tube switch circuit; the digital signal output circuit comprises a plurality of input ends and a plurality of output ends, the input ends are connected with the main control circuit, and the digital signal output circuit is used for acquiring the temperature signal digital quantity through the input ends and converting the temperature signal digital quantity into a plurality of paths of parallel digital signals for output; the nixie tube comprises a control pin and a plurality of input pins, the input pins are connected with a plurality of output ends of the digital signal output circuit in a one-to-one correspondence mode, and the nixie tube is used for displaying the digital signals; the second potential adjusting circuit is connected between the digital signal output circuit and the nixie tube and comprises a plurality of access pins and a plurality of output pins, the access pins are connected with a plurality of output ends of the digital signal output circuit in a one-to-one correspondence mode, the output pins are connected with a plurality of input pins of the nixie tube in a one-to-one correspondence mode, and the second potential adjusting circuit is used for outputting the digital signals output by the digital signal output circuit to the input pins corresponding to the nixie tube after potential adjustment.

In an exemplary embodiment of the present disclosure, the nixie tube switch circuit includes: the input end of the voltage division circuit is connected with the control end of the nixie tube switch circuit; and the first end of the switch tube is connected with the first end of the nixie tube switch circuit, the second end of the switch tube is grounded, and the control end of the switch tube is connected with the voltage division output end of the voltage division circuit.

In an exemplary embodiment of the present disclosure, the digital display circuit includes three of the nixie tubes and three of the nixie tube switch circuits, and the nixie tubes are connected to the nixie tube switch circuits in a one-to-one correspondence manner.

In an exemplary embodiment of the disclosure, the master control circuit is further configured to: comparing the temperature value corresponding to the temperature signal with a preset second temperature threshold value, and outputting a prompt signal when the temperature value of the temperature signal is greater than or equal to the second temperature threshold value; the human body positioning apparatus further comprises: the temperature prompting circuit is connected with the main control circuit and responds to the prompting signal to output an alarm triggering signal; and the warning circuit is connected with the temperature prompting circuit and responds to the warning trigger signal to perform sound and/or light warning.

In an exemplary embodiment of the present disclosure, the main control circuit is further configured to compare a temperature value corresponding to the temperature signal with a preset second temperature threshold, and output a tracking and positioning signal when the temperature value of the temperature signal is greater than or equal to the second temperature threshold; the human body positioning apparatus further comprises: and one end of the communication circuit is connected with the main control circuit, the other end of the communication circuit is connected with the target equipment, and the communication circuit is used for acquiring the tracking and positioning signal and outputting the tracking and positioning signal to the target equipment so as to indicate the target equipment to track the current human body.

In an exemplary embodiment of the present disclosure, the communication circuit includes an RS232 communication circuit and an RS485 communication circuit.

In an exemplary embodiment of the present disclosure, the human body positioning apparatus further includes: the input end of the power supply circuit is connected with a third set voltage, the output end of the power supply circuit is connected with a protection circuit and then outputs a second set voltage, and the second set voltage is used for supplying power to the main control circuit, the infrared detection circuit and the digital display circuit; the protection circuit includes: the fourth diode is connected with the twenty-first capacitor, the ninth capacitor and the nineteenth capacitor in parallel, the anode of the fourth diode is connected with the output end, the cathode of the fourth diode is grounded, and the first inductor is connected in series between the fourth diode and the twenty-first capacitor.

The utility model provides a human body positioning device, accessible infrared detection circuitry detects ambient temperature, when detecting ambient temperature and surpassing first temperature threshold value, indicates that present is human body signal, and infrared detection circuitry carries out analog-to-digital conversion to master control circuit output temperature signal, and master control circuit carries out analog-to-digital conversion to temperature signal, output temperature signal digital quantity to digital display circuit, and digital display circuit can carry out human temperature and show. The utility model provides a human positioning device accessible detects and realizes human location to ambient temperature to the human positioning information who will sense passes through circuit transmission, has reduced use cost, easily goes up the hand in the operation simultaneously, has simple structure, has reduced use cost convenient to use's characteristics simultaneously.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

FIG. 1 is a schematic structural diagram of a body positioning apparatus according to one embodiment of the present disclosure;

FIG. 2 is a schematic diagram of an infrared detection circuit according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a digital display circuit according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a master control circuit according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a temperature indication circuit according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a communication circuit according to an embodiment of the present disclosure;

fig. 7 is a schematic diagram of a power circuit according to an embodiment of the present disclosure.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted. Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale.

Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.

The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and are not limiting on the number of their objects.

Fig. 1 is a schematic structural diagram of a human body positioning device according to an embodiment of the present disclosure, which may include an infrared detection circuit 400, a main control circuit 100, and a digital display circuit 300, where the infrared detection circuit 400 is configured to collect an ambient temperature and generate a temperature signal based on the detected ambient temperature when the detected ambient temperature is greater than or equal to a first temperature threshold; the main control circuit 100 is connected with the infrared detection circuit 400, and the main control circuit 100 is used for acquiring a temperature signal, converting the temperature signal into a temperature signal digital quantity and outputting the temperature signal digital quantity; the digital display circuit 300 is connected with the main control circuit 100, and the digital display circuit 300 is used for displaying the temperature signal digital quantity.

The utility model provides a human body positioning device, accessible infrared detection circuit 400 detect ambient temperature, when detecting ambient temperature and surpassing first temperature threshold, indicate that present be human body signal, infrared detection circuit 400 is to master control circuit 100 output temperature signal, and master control circuit 100 carries out analog-to-digital conversion to temperature signal, output temperature signal digital quantity to digital display circuit 300, and digital display circuit 300 can carry out human body temperature and show. The utility model provides a human positioning device accessible detects and realizes human location to ambient temperature to the human positioning information who will sense passes through circuit transmission, has reduced use cost, easily goes up the hand in the operation simultaneously, has simple structure, has reduced use cost convenient to use's characteristics simultaneously.

It will be appreciated that in the present disclosure, a first temperature threshold is used to define whether a person is currently passing, and that the first temperature threshold may be, for example, 36 ℃.

The present disclosure is made using the principle that the radiation energy of an object varies with temperature. The infrared detection circuit 400 converts the absorbed infrared radiation into heat energy, converts the temperature change into an electronic signal, and amplifies and displays the electronic signal. The human body positioning equipment provided by the disclosure can rapidly measure the surface temperature of an object without directly contacting the measured object, is particularly suitable for measuring high-temperature, dangerous or moving objects, and cannot pollute or damage the measured object.

Fig. 2 is a schematic structural diagram of an infrared detection circuit according to an embodiment of the present disclosure, and as shown in fig. 2, in this exemplary embodiment, the infrared detection circuit 400 may include an infrared sensor Q6, a switching circuit, a first potential adjustment circuit, and a voltage stabilizing circuit, where the infrared sensor Q6 is used to collect an ambient temperature; the switch circuit comprises a control end, a first end and a second end, the control end is connected with a first set voltage V30 (the voltage value of the first set voltage V30 is determined according to the type of the infrared sensor), the first end is connected with the output end of the infrared sensor Q6, the output end is connected with the main control circuit 100, and the switch circuit is used for outputting the ambient temperature to the main control circuit 100; the first potential adjusting circuit comprises a first potential input end, a first potential output end, a second potential input end and a second potential output end, the first potential input end is connected with a first set voltage V30, the first potential output end is connected with a first end of the switch circuit, the second potential input end is connected with a second set voltage Vdd (for example, the second set voltage Vdd can be +5V, and the second set voltage Vdd is output by the power supply circuit 500), the second potential output end is connected with an output end of the switch circuit, and the first potential adjusting circuit is used for respectively adjusting the input signal potential and the output signal potential of the switch circuit; the input end of the voltage stabilizing circuit is connected with a second set voltage Vdd, the output end of the voltage stabilizing circuit is connected with the power supply end of the infrared sensor Q6, the voltage stabilizing circuit is used for outputting a first set voltage V30, and the first set voltage V30 is also used for supplying power for the infrared sensor Q6. In addition, the infrared detection circuit 400 may further include a power supply state reminding circuit, where the power supply state reminding circuit includes a light emitting diode, an anode of the light emitting diode is connected to the output end of the voltage stabilizing circuit through a fifth resistor R5, and a cathode of the light emitting diode is grounded. When the voltage regulator circuit outputs a power supply signal, the light emitting diode emits light to prompt the infrared detection circuit 400 to be in a normal working state. Illustratively, the infrared sensor Q6 may be of an MLX90614 type, the voltage regulator circuit may be an ME6206a30XG voltage regulator chip, the switch circuit may include a fourth switch tube Q4 and a fifth switch tube Q5, and the first potential regulation circuit may include a third potentiometer RP3, on the basis of which the following connections may be made in the infrared detection circuit 400: the 1 st pin of the third potentiometer RP3 is connected with the drain of the fourth switch tube Q4, the 2 nd pin of the third potentiometer RP3 is connected with the drain of the fifth switch tube Q5, the 3 rd pin of the third potentiometer RP3 is connected with the source of the fifth switch tube Q5 and the 1 st pin of the infrared sensor Q6, the 4 th pin of the third potentiometer RP3 is connected with the source of the fourth switch tube Q4 and the 2 nd pin of the infrared sensor Q6, the gate of the fourth switch tube Q4, the gate of the fifth switch tube Q5 and the 3 rd pin of the infrared sensor Q6 are connected with the 2 nd pin of the voltage stabilizing chip, and the 4 th pin of the infrared sensor Q6 is grounded. Pin 1 of the regulator chip is grounded through a twenty-eighth capacitor C28. The 2 nd pin of the voltage stabilizing chip is connected with the twenty ninth capacitor C29 and the thirtieth capacitor C30 of the two filter capacitors connected in parallel, namely, the 2 nd pin of the voltage stabilizing chip is connected with one end of the twenty ninth capacitor C29 and one end of the thirtieth capacitor C30, and the other end of the twenty ninth capacitor C29 and the other end of the thirtieth capacitor C30 are grounded. One end of the fifth resistor R5 is connected to the 2 nd pin of the voltage regulator chip, the other end of the fifth resistor R5 is connected to the anode of the third light emitting diode D3, and the cathode of the third light emitting diode D3 is grounded. The detection principle of the infrared detection circuit 400 is as follows: when a human body passes through, the infrared sensor Q6 detects the temperature of the human body, and outputs a temperature signal to the source electrode of the fourth switching tube Q4 through the 2 nd pin SDA to detect the temperature of the human body, and then sends the signal to the main control circuit 100 through the drain electrode of the fourth switching tube Q4. The infrared sensor Q6 obtains the working power supply through the 3 rd pin VDD, and the voltage stabilization chip protects the infrared detection circuit 400. In the present exemplary embodiment, the fourth switching transistor Q4 and the fifth switching transistor Q5 may be field effect transistors. It should be understood that in other exemplary embodiments of the present disclosure, the infrared detection circuit 400 may also have other circuit configurations.

Fig. 3 is a schematic structural diagram of a digital display circuit according to an embodiment of the present disclosure, as shown in fig. 3, in this exemplary embodiment, the digital display circuit 300 may include a nixie tube switch circuit, a digital signal output circuit, a nixie tube, and a second potential adjusting circuit, wherein the main control circuit 100 may output a switch control signal when acquiring a temperature signal. The control end of the nixie tube switch circuit is connected with the main control circuit 100, the first end of the nixie tube switch circuit is connected with the control pin of the nixie tube, the second end of the nixie tube switch circuit is grounded, and the nixie tube switch circuit can respond to a switch control signal to conduct the nixie tube connected with the nixie tube switch circuit; the digital signal output circuit comprises a plurality of input ends and a plurality of output ends, the input ends are connected with the main control circuit 100, and the digital signal output circuit can obtain the temperature signal digital quantity through the input ends and convert the temperature signal digital quantity into a plurality of paths of parallel digital signals for output; the nixie tube comprises a control pin and a plurality of input pins, the plurality of input pins are connected with the plurality of output ends of the digital signal output circuit in a one-to-one correspondence manner, and the nixie tube can be used for displaying digital signals; the second potential regulating circuit is connected between the digital signal output circuit and the nixie tube and comprises a plurality of access pins and a plurality of output pins, the plurality of access pins are connected with a plurality of output ends of the digital signal output circuit in a one-to-one correspondence mode, the plurality of output pins are connected with a plurality of input pins of the nixie tube in a one-to-one correspondence mode, and the second potential regulating circuit can output the digital signals output by the digital signal output circuit to the input pins corresponding to the nixie tube after potential regulation. In this exemplary embodiment, the nixie tube switch circuit may include a voltage divider circuit and a switch tube, an input end of the voltage divider circuit is connected to a control end of the nixie tube switch circuit, a first end of the switch tube is connected to a first end of the nixie tube switch circuit, a second end of the switch tube is grounded, and the control end is connected to a voltage dividing output end of the voltage divider circuit. The switch tube may be a triode. In addition, in the exemplary embodiment, the digital display circuit 300 may include three nixie tubes and three nixie tube switch circuits, and the nixie tubes are connected to the nixie tube switch circuits in a one-to-one correspondence. By arranging three nixie tubes and three nixie tube switch circuits, a three-digit temperature value can be displayed, and for example, 37.6 ℃ can be displayed. Illustratively, the digital signal output circuit may include a fourth chip U4, the digital tube switch circuit may include a first transistor Q1, a second transistor Q2, and a third transistor Q3, one transistor controlling one digital tube, the second potential adjustment circuit may include a first potentiometer RP1 and a second potentiometer RP2, the first potentiometer RP1 may be configured to output the first 4-bit digital signal of the digital tube, and the second potentiometer RP2 may be configured to output the last 4-bit digital signal of the digital tube; the voltage divider circuit may be a resistive voltage divider circuit. The fourth chip U4 may be a 74HC595 chip, and the nixie tube DP1 may be a DPY-3SLED nixie tube, on this basis, the following connections may be made for the various components in the digital display circuit 300: the 1 st pin of the fourth chip U4 is connected with the 2 nd pin of the first potentiometer RP1, the 2 nd pin of the fourth chip U4 is connected with the 3 rd pin of the first potentiometer RP1, the 3 rd pin of the fourth chip U4 is connected with the 4 th pin of the first potentiometer RP1, the 4 th pin of the fourth chip U4 is connected with the 1 st pin of the second potentiometer RP2, the 5 th pin of the fourth chip U4 is connected with the 2 nd pin of the second potentiometer RP2, the 6 th pin of the fourth chip U4 is connected with the 3 rd pin of the second potentiometer RP2, and the 7 th pin of the fourth chip U4 is connected with the 4 th pin of the second potentiometer RP 2; the 10 th pin of the fourth chip U4 is connected to the second set voltage Vdd, and the 13 th pin is connected to ground. The 11 th pin, the 12 th pin and the 14 th pin of the fourth chip U4 are connected to the main control circuit 100 and are used for acquiring the temperature signal digital quantity output by the main control circuit 100; a 15 th pin of the fourth chip U4 is connected with a 1 st pin of a first potentiometer RP1, a 5 th pin of the first potentiometer RP1 is connected with a 2 nd pin of a nixie tube DP1, a 6 th pin of the first potentiometer RP1 is connected with a 4 th pin of a nixie tube DP1, a 7 th pin of the first potentiometer RP1 is connected with a 7 th pin of a nixie tube DP1, a 8 th pin of the first potentiometer RP1 is connected with a 11 th pin of a nixie tube DP1, a 8 th pin of the second potentiometer RP2 is connected with a 1 st pin of a nixie tube DP1, a 7 th pin of the first potentiometer RP1 is connected with a 10 th pin of a nixie tube DP1, a 6 th pin of the first potentiometer RP1 is connected with a 5 th pin of the nixie tube DP1, a 5 th pin of the first potentiometer RP1 is connected with a3 rd pin of the nixie tube 1, a Q12 th pin of the nixie tube DP 72 is connected with a collector DP1 of the first triode DP1, and a collector pin of a triode DP 468 of a triode DP1 is connected with a collector Q19, a base electrode of the first triode Q1 is respectively connected with one end of the third resistor R3 and one end of the fourteenth resistor R14, an emitter electrode of the first triode Q1 is connected with the other end of the fourteenth resistor R14, an emitter electrode of the first triode Q1 is grounded, the other end of the third resistor R3 is connected with the 14 th pin of the first chip U1, the third resistor R3 and the fourteenth resistor R14 form a voltage division circuit, and a common connection end of the third resistor R3 and the fourteenth resistor R14 serves as a voltage division output end of the voltage division circuit; the base of the third triode Q3 is connected with one end of a sixth resistor R6 and one end of a fifteenth resistor R15 respectively, the emitter of the third triode Q3 is connected with the other end of a fifteenth resistor R15, the other end of the sixth resistor R6 is connected with the 15 th pin of the first chip U1, the sixth resistor R6 and the fifteenth resistor R15 form a voltage division circuit, and the common connection end of the sixth resistor R6 and the fifteenth resistor R15 serves as the voltage division output end of the voltage division circuit; the base of the second triode Q2 is connected with one end of the fourth resistor R4 and one end of the sixteenth resistor R16 respectively, the emitter of the second triode Q2 is connected with the other end of the sixteenth resistor R16, the other end of the fourth resistor R4 is connected with the 16 th pin of the first chip U1, the fourth resistor R4 and the sixteenth resistor R16 form a voltage division circuit, and the common connection end of the fourth resistor R4 and the sixteenth resistor R16 serves as the voltage division output end of the voltage division circuit. It should be understood that, in the present exemplary embodiment, the resistances of the resistors in the voltage divider circuit may be specifically configured according to the types of the devices in the digital display circuit 300, and the voltage divider circuit may also have other circuit structures. Further, it should be understood that in other exemplary embodiments of the present disclosure, the digital display circuit 300 may have other circuit configurations.

As shown in fig. 1, in the present exemplary embodiment, the human body positioning device may further include a temperature prompting circuit 600, an alarm circuit, a communication circuit 200, and a power circuit 500, wherein the temperature prompting circuit 600 is connected to the main control circuit 100, the alarm circuit is connected to the temperature prompting circuit 600, the communication circuit 200 is connected to the main control circuit 100, and the power circuit 500 is configured to supply power to the main control circuit 100, the infrared detection circuit 400, the digital display circuit 300, the temperature prompting circuit 600, the alarm circuit, and the communication circuit 200. The main control circuit 100 is not only used for outputting the above-mentioned digital quantity of the temperature signal to the digital display circuit 300 for temperature display, but also comparing the temperature value corresponding to the temperature signal with a preset second temperature threshold, and outputting a prompt signal to the temperature prompt circuit 600 when the temperature value of the temperature signal is greater than or equal to the second temperature threshold, the temperature prompt circuit 600 can output an alarm trigger signal to the connected alarm circuit in response to the prompt signal, and the alarm circuit can perform sound and/or light alarm in response to the alarm trigger signal. Illustratively, the alarm circuit may include a speaker, and/or a light emitting diode, to provide an audible and/or visual alarm. That is, in the present exemplary embodiment, the human body positioning device may perform an acoustic and/or optical prompt to remind that the current human body temperature is abnormal when detecting that the human body temperature exceeds the second temperature threshold, in addition to displaying the detected human body temperature. It is to be understood that, in the present exemplary embodiment, a second temperature threshold is used to define whether the human body temperature is abnormal, the second temperature threshold is greater than the first temperature threshold, and the second temperature threshold may be 37 ℃.

In addition, the main control circuit 100 may further control the third-party device to perform localization tracking on the human body when it is determined that the temperature of the human body exceeds the second temperature threshold. Specifically, the main control circuit 100 may compare a temperature value corresponding to the temperature signal with a preset second temperature threshold, and output a tracking and positioning signal to the communication circuit 200 when the temperature value of the temperature signal is greater than or equal to the second temperature threshold, one end of the communication circuit 200 is connected to the main control circuit 100, the other end is connected to the target device, and the communication circuit 200 is configured to obtain the tracking and positioning signal, and output the tracking and positioning signal to the target device, so as to instruct the target device to perform image tracking on the current human body. For example, the second temperature threshold may be 37.5 ℃, when the main control circuit 100 determines that the current human body temperature exceeds 37.5 ℃, the main control circuit 100 outputs a tracking and positioning signal to a target device, the target device may be, for example, a recording and playing device such as a camera, and the target device may start an automatic focusing function to perform multi-angle image acquisition on the current human body, and store the acquired image. It should be understood that, in the present exemplary embodiment, the main control circuit 100 may trigger the temperature prompting circuit 600 and the third-party device at the same time, that is, when it is determined that the current human body temperature exceeds the second temperature threshold, the main control circuit 100 triggers the temperature prompting circuit 600 to alarm on one hand, and triggers the third-party device to perform location tracking on the current human body through the communication circuit 200 on the other hand. In addition, in the exemplary embodiment, the communication circuit 200 may include two communication circuits 200, i.e., the RS232 communication circuit 200 and the RS485 communication circuit 200, to support a third-party device with different communication interfaces, so as to improve the applicability of the human body positioning device of the present disclosure.

In an embodiment of the present disclosure, the main control circuit 100 may include a first chip U1, the temperature indication circuit 600 may include a seventh chip U7, the communication circuit 200 may include a fifth chip U5 and a sixth chip U6, the first chip U1 may be an ATMEGA328P-AU chip, the seventh chip U7 may be an LTK5128 chip, the fifth chip U5 may be MAX485, and the sixth chip U6 may be MAX232 SC. The specific circuit structures of the main control circuit 100, the temperature prompting circuit 600, the communication circuit 200, and the power supply circuit 500 are described below with reference to specific chips.

Fig. 4 is a schematic structural diagram of a main control circuit according to an embodiment of the present disclosure, as shown in fig. 4, in this exemplary embodiment, the main control circuit 100 may further include a first interface P1 (which may be used to download an underlying application), a chip oscillator Y1, a third interface P3 (which may be used to download an application), a third chip U3, a first resistor R1, a second resistor R2, an eighth resistor R8, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, and a first light emitting diode D1, in addition to the first chip U1; the third chip U3 may be CH340E, and the third chip U3 may be configured to convert the USB signal into a TTL level signal, so that the main control circuit 100 provided in this exemplary embodiment may process the USB signal. On this basis, the components in the main control circuit 100 can be connected as follows: the 1 st pin of the first chip U1 and the 2 nd pin of the first chip U1 are respectively connected to the communication circuit 200, the 3 rd pin of the first chip U1, the 5 th pin of the first chip U1, the 5 th pin of the third interface P3, the 3 rd pin of the third chip U3, the 6 th pin of the first interface P1, and the 21 st pin of the first chip U1 are grounded, the 4 th pin, the 6 th pin, the 18 th pin of the first chip U1, the 2 nd pin of the first interface P1, and the 1 st pin of the third interface P3 (the 1 st pin of the third interface P3 is further connected to the fourth capacitor C4, and the other end of the fourth capacitor C4 is grounded), and the 7 th pin of the third chip U3 (the 7 th pin of the third chip U3 is further connected to the sixth capacitor C6, and the other end of the sixth capacitor C6 is grounded) is connected to the second set voltage Vdd. The 7 th pin of the first chip U1 is connected with the 3 rd pin of the chip crystal oscillator Y1, the 8 th pin of the first chip U1 is connected with the 1 st pin of the chip crystal oscillator Y1, the 2 nd pin and the 4 th pin of the chip crystal oscillator Y1 are grounded, a first capacitor C1 is connected between the 2 nd pin and the 3 rd pin of the chip crystal oscillator Y1 in series, the 1 st pin of the chip crystal oscillator Y1 is also connected with a second capacitor C2, and the other end of the second capacitor C2 is grounded. The 9 th pin of the first chip U1, the 10 th pin of the first chip U1 and the 11 th pin of the first chip U1 are connected to the communication circuit 200, the 14 th pin of the first chip U1, the 15 th pin of the first chip U1 and the 16 th pin of the first chip U1 are respectively connected to the digital display circuit 300, the 17 th pin of the first chip U1 is connected to the anode of the first light-emitting diode D1 through a first resistor R1, the cathode of the first light-emitting diode D1 is grounded, and the 17 th pin of the first chip U1 is further connected to the 3 rd pin of the first interface P1. The pin 20 of the first chip U1 is grounded through a third capacitor C3. The 23 rd pin of the first chip U1, the 24 th pin of the first chip U1 and the 25 th pin of the first chip U1 are respectively connected to the digital display circuit 300 (the 23 rd pin, the 24 th pin and the 25 th pin of the first chip U1 are correspondingly connected to the 14 th pin, the 11 th pin and the 12 th pin of the fourth chip U4, the fourth chip U4 obtains the digital quantity of the temperature signal through the 23 rd pin, the 24 th pin and the 25 th pin of the first chip U1, and simultaneously converts the serial signal sent from the first chip U1 into a parallel signal, so as to realize the data display of the nixie tube DP 1), the 27 th pin of the first chip U1 and the 28 th pin of the first chip U1 are respectively connected to the infrared detection circuit 400, the first 29 th pin of the first chip U1 is respectively connected to the 5 th pin of the first interface P1, and the first 29 th pin of the first chip U1 is also connected to the one end of the fifth capacitor C8, the first pin of the eighth resistor R6866, the second resistor R2, and the second resistor R3527 th pin of the first chip U1, the other end of the eighth resistor R8 is connected to a protection device P40, and the other end of the fifth capacitor C5 is connected to the 4 th pin of the third chip U3. The 30 th pin and the 31 th pin of the first chip U1 are correspondingly connected with the 8 th pin and the 9 th pin of the third chip U3, the 32 th pin of the first chip U1 is connected with the temperature prompting circuit 600, the 2 nd pin of the third interface P3 is connected with the 2 nd pin of the third chip U3, the 3 rd pin of the third interface P3 is connected with the 1 st pin of the third chip U3, the 6 th pin and the 7 th pin of the third interface P3 are grounded, and the 10 th pin of the third chip U3 is grounded through a seventh capacitor C7. It should be understood that the master control circuit 100 may have other circuit configurations in other exemplary embodiments of the present disclosure.

Fig. 5 is a schematic structural diagram of a temperature indication circuit according to an embodiment of the present disclosure, as shown in fig. 5, the temperature prompting circuit 600 may further include a twenty-third capacitor C23, a twenty-seventh capacitor C27, a twelfth resistor R12, a thirteenth resistor R13, and an interface J1, in addition to the seventh chip U7, the 1 st pin and the 7 th pin of the seventh chip U7 are grounded, the 2 nd pin of the seventh chip U7 is connected through the twenty-seventh capacitor C27, the 3 rd pin of the seventh chip U7 is connected to the second setting voltage Vdd through the twelfth resistor R12, the 4 th pin of the seventh chip U7 is connected to the 32 th pin of the first chip U1 after being connected in series with the thirteenth resistor R13 and the twenty-third capacitor C23, the 5 th pin of the seventh chip U7 is connected to the 2 nd pin of the interface J1, the 6 th pin of the seventh chip U7 is connected to the second setting voltage, and the 8 th pin of the seventh chip U7 is connected to the 1 st pin of the interface J1. When the signal amplifier is used, a signal from the first chip U1 is acquired through the 4 th pin of the seventh chip U7 and the 3 rd pin of the seventh chip U7, and meanwhile, the seventh chip U7 cannot be damaged through signal amplification of the thirteenth capacitor C23 and protection of the thirteenth resistor R13 and the twelfth resistor R12. The 5 th pin of the seventh chip U7 and the 8 th pin of the seventh chip U7 output signals to the interface J1, and the interface J1 is connected with a speaker which gives a sound prompt after acquiring an output signal of the seventh chip U7. Of course, a light emitting diode can be connected through the interface J1 to give out light indication through the light emitting diode. The temperature prompting circuit 600 can further prompt the user with a signal, and is convenient to use. It should be understood that in other exemplary embodiments of the present disclosure, the temperature prompting circuit 600 may also have other circuit configurations.

Fig. 6 is a schematic structural diagram of a communication circuit according to an embodiment of the present disclosure, and as shown in fig. 6, the communication circuit 200 may include a 485 interface communication circuit 200 composed of a fifth chip U5 and a 232 interface communication circuit 200 composed of a sixth chip U6, specifically, the 1 st pin of the fifth chip U5 is connected to the 9 th pin of the first chip U1, the 2 nd and 3 rd pins of the fifth chip U5 are connected to the 11 th pin of the first chip U1, the 4 th pin of the fifth chip U5 is connected to the 10 th pin of the first chip U1, the 5 th pin of the fifth chip U5 is grounded, the 6 th and 7 th pins of the fifth chip U5 are connected to the fourth interface P4 (the fourth interface P4 may be used to connect to an RS serial port), the 6 th pin of the fifth chip U5 is respectively connected to one end of a tenth resistor 10, one end of an eleventh resistor 11, one end of a second arrester F92, and a fifteenth end C capacitor C2, a 7 th pin of a fifth chip U5 is respectively connected with the other end of a tenth resistor R10, one end of a ninth resistor R9, one end of a first lightning arrester F1 and one end of a fourteenth capacitor C14, a 8 th pin of the fifth chip U5 is connected with a second set voltage Vdd, a 8 th pin of the fifth chip U5 is further connected with one end of a thirteenth capacitor C13, the other end of the thirteenth capacitor C13 is grounded, the other end of the ninth resistor R9 and the other end of the fourteenth capacitor C14 are grounded, the other end of the first lightning arrester F1 is respectively connected with one end of a fifth transient diode D5, one end of a seventh transient diode D7 and the 1 st pin of a fourth interface P4, the other end of the fifth transient diode D5 is grounded, the other end of the second lightning arrester F2 is respectively connected with one end of a sixth transient diode D6, the other end of the seventh transient diode D7, the other end of the fourth interface P4, the sixth transient diode D823636 is connected with the sixth transient diode D6, the pin 3 of the fourth interface P4 is grounded, the other end of the fifteenth capacitor C15 is grounded, and the other end of the eleventh resistor R11 is connected to the second setting voltage Vdd. A twenty-second capacitor C22 is connected in series between the 1 st pin and the 3 rd pin of the sixth chip U6, a twenty-fifth capacitor C25 is connected in series between the 4 th pin and the 5 th pin of the sixth chip U6, the 2 nd pin of the sixth chip U6 is connected with one end of a twenty-fourth capacitor C24, the other end of the twenty-fourth capacitor C24 is connected with the 16 th pin of the sixth chip U6, the 16 th pin of the sixth chip U6 is also connected with a second set voltage Vdd and a sixteenth capacitor C16, and the other end of the sixteenth capacitor C16 is grounded; a pin 6 of the sixth chip U6 is connected to one end of a twenty-sixth capacitor C26, and one end of the twenty-sixth capacitor C26 is grounded; the 7 th pin of the sixth chip U6 is connected with the 3 rd pin of the fifth interface P5 (the fifth interface P5 can be used to connect an RS232 serial port), the 8 th pin of the sixth chip U6 is connected with the 1 st pin of the fifth interface P5, and the 2 nd pin of the fifth interface P5 is grounded; the 9 th pin of the sixth chip U6 is connected with the 2 nd pin of the first chip U1, and the 10 th pin of the sixth chip U6 is connected with the 1 st pin of the first chip U1; the 15 th pin of the sixth chip U6 is grounded. In this exemplary embodiment, the main control circuit 100 obtains the temperature signal through the 27 th pin of the first chip U1, sends the processed signal result to the communication circuit 200 through the 1 st pin, the 2 nd pin, the 9 th pin, the 10 th pin and the 11 th pin, and the communication module circuit further sends the signal result to a third party platform, such as a mobile phone, a computer, a cloud platform, etc., according to the use requirement. When in use, the use cost of the system is reduced in a circuit mode, and the whole system is packaged in a centralized mode and is convenient to use. It should be understood that the communication circuit 200 may have other circuit configurations in other exemplary embodiments of the present disclosure.

As shown in fig. 1, in the present exemplary embodiment, an input end of the power circuit 500 is connected to a third setting voltage, an output end of the power circuit is connected to a protection circuit and then outputs a second setting voltage Vdd, where the second setting voltage Vdd is used for supplying power to the main control circuit 100, the infrared detection circuit 400, and the digital display circuit 300, and the protection circuit may include: the fourth diode D4, the twenty-first capacitor, the ninth capacitor, the nineteenth capacitor and the first inductor, the fourth diode D4 is connected with the twenty-first capacitor, the ninth capacitor and the nineteenth capacitor in parallel, the anode of the fourth diode D4 is connected with the output end, the cathode of the fourth diode D4 is grounded, and the first inductor is connected between the fourth diode D4 and the twenty-first capacitor in series. The third set voltage may be 12V, and the power circuit 500 may be a step-down power supply, which converts the 12V voltage into 5V voltage to power other devices in the body positioning apparatus of the present disclosure. Fig. 7 is a schematic structural diagram of a power supply circuit according to an embodiment of the disclosure, and as shown in fig. 7, in this exemplary embodiment, the power supply circuit 500 may include a second chip U2, and the second chip U2 outputs a stable second set voltage Vdd to supply power to components in the body positioning apparatus. For example, the second chip U2 may be an XLI509-5.0 chip, and the second chip U2 may output a stable 5V voltage and output a second set voltage Vdd after a voltage stabilizing process to supply power to the entire system. On this basis, the components in the power supply circuit 500 may be connected as follows: the 1 st pin of the second chip U2 is connected to the 3 rd pin of the second interface P2, the 1 st pin of the second chip U2 is further connected to one end of an eighth capacitor C8, one end of a seventeenth capacitor C17, and one end of an eighteenth capacitor C18, and the other end of the eighth capacitor C8, the other end of the seventeenth capacitor C17, and the other end of the eighteenth capacitor C18 are all grounded; a 2 nd pin of the second chip U2 is connected to one end of the first inductor L1 and the cathode of the fourth diode D4, respectively, and the anode of the fourth diode D4 is grounded; a pin 3 of the second chip U2 is connected to the other end of the first inductor L1, one end of a ninth capacitor C9, one end of a nineteenth capacitor C19, and one end of a twenty-first capacitor C21, respectively, and the other end of the ninth capacitor C9, the other end of the nineteenth capacitor C19, and the other end of the twenty-first capacitor C21 are all grounded; the 4 th pin, the 5 th pin, the 6 th pin, the 7 th pin and the 8 th pin of the second chip U2 are all grounded. In addition, the pin 3 of the second chip U2 is further connected to one end of a tenth capacitor C10 and one end of a fuse FB1, the other end of the tenth capacitor C10 is grounded, the other end of the fuse FB1 outputs a second set voltage Vdd, and the other end of the fuse FB1 is further connected to one end of a twentieth capacitor C20, one end of an eleventh capacitor C11, one end of a twelfth capacitor C12, the other end of a twentieth capacitor C20, the other end of an eleventh capacitor C11, and the other end of a twelfth capacitor C12 are grounded. In addition, the 3 rd pin of the second chip U2 is further connected with a power indicator, the power indicator includes a seventh resistor R7 and a second light emitting diode D2, one end of the seventh resistor R7 is connected to the 3 rd pin of the second chip U2, the other end is connected to the anode of the second light emitting diode D2, and the cathode of the second light emitting diode D2 is grounded. The 1 st pin and the 2 nd pin of the second interface P2 are both grounded. It should be understood that the power circuit 500 may have other circuit configurations in other exemplary embodiments of the present disclosure.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (10)

1. A body positioning apparatus, comprising:

the infrared detection circuit is used for acquiring the ambient temperature and generating a temperature signal based on the detected ambient temperature when the ambient temperature is detected to be greater than or equal to a first temperature threshold;

the main control circuit is connected with the infrared detection circuit and used for acquiring the temperature signal and converting the temperature signal into a temperature signal digital quantity to be output;

and the digital display circuit is connected with the main control circuit and is used for displaying the temperature signal digital quantity.

2. The body positioning apparatus of claim 1, wherein the infrared detection circuit comprises:

the infrared sensor is used for acquiring the ambient temperature;

the switching circuit comprises a control end, a first end and a second end, wherein the control end is connected with a first set voltage, the first end is connected with the output end of the infrared sensor, the output end is connected with the main control circuit, and the switching circuit is used for outputting the ambient temperature to the main control circuit;

first electric potential regulating circuit, including first electric potential input, first electric potential output, second electric potential input and second electric potential output, first electric potential input is connected first settlement voltage, first electric potential output is connected switch circuit's first end, second electric potential input is connected the second and is set for voltage, second electric potential output is connected switch circuit's output, first electric potential regulating circuit is used for adjusting respectively switch circuit's input signal electric potential and output signal electric potential.

3. The body positioning apparatus of claim 2, wherein the infrared detection circuit further comprises:

and the input end of the voltage stabilizing circuit is connected with the second set voltage, the output end of the voltage stabilizing circuit is connected with the power supply end of the infrared sensor, the voltage stabilizing circuit is used for outputting the first set voltage, and the first set voltage is also used for supplying power to the infrared sensor.

4. The human body positioning device of claim 1, wherein the master control circuit is further configured to output a switch control signal after acquiring the temperature signal;

the digital display circuit comprises:

the control end of the nixie tube switch circuit is connected with the main control circuit, the first end of the nixie tube switch circuit is connected with the control pin of the nixie tube, the second end of the nixie tube switch circuit is grounded, and the nixie tube switch circuit is used for responding to the switch control signal to conduct the nixie tube connected with the nixie tube switch circuit;

the digital signal output circuit comprises a plurality of input ends and a plurality of output ends, the input ends are connected with the main control circuit, and the digital signal output circuit is used for acquiring the temperature signal digital quantity through the input ends and converting the temperature signal digital quantity into a plurality of paths of parallel digital signals for output;

the nixie tube comprises a control pin and a plurality of input pins, the input pins are connected with a plurality of output ends of the digital signal output circuit in a one-to-one correspondence mode, and the nixie tube is used for displaying the digital signals;

the second potential adjusting circuit is connected between the digital signal output circuit and the nixie tube and comprises a plurality of access pins and a plurality of output pins, the access pins are connected with a plurality of output ends of the digital signal output circuit in a one-to-one correspondence mode, the output pins are connected with a plurality of input pins of the nixie tube in a one-to-one correspondence mode, and the second potential adjusting circuit is used for outputting the digital signals output by the digital signal output circuit to the input pins corresponding to the nixie tube after potential adjustment.

5. The body positioning apparatus of claim 4, wherein the nixie tube switch circuit comprises:

the input end of the voltage division circuit is connected with the control end of the nixie tube switch circuit;

and the first end of the switch tube is connected with the first end of the nixie tube switch circuit, the second end of the switch tube is grounded, and the control end of the switch tube is connected with the voltage division output end of the voltage division circuit.

6. The body positioning apparatus of claim 4, wherein the digital display circuit comprises three of the nixie tubes and three of the nixie tube switch circuits, and the nixie tubes are connected with the nixie tube switch circuits in a one-to-one correspondence.

7. The body positioning apparatus of claim 1, wherein the master circuit is further configured to: comparing the temperature value corresponding to the temperature signal with a preset second temperature threshold value, and outputting a prompt signal when the temperature value of the temperature signal is greater than or equal to the second temperature threshold value;

the human body positioning apparatus further comprises:

the temperature prompting circuit is connected with the main control circuit and responds to the prompting signal to output an alarm triggering signal;

and the warning circuit is connected with the temperature prompting circuit and responds to the warning trigger signal to perform sound and/or light warning.

8. The body positioning apparatus of claim 1, wherein the main control circuit is further configured to compare a temperature value corresponding to the temperature signal with a preset second temperature threshold, and output a tracking positioning signal when the temperature value of the temperature signal is greater than or equal to the second temperature threshold;

the human body positioning apparatus further comprises:

and one end of the communication circuit is connected with the main control circuit, the other end of the communication circuit is connected with the target equipment, and the communication circuit is used for acquiring the tracking and positioning signal and outputting the tracking and positioning signal to the target equipment so as to indicate the target equipment to track the current human body.

9. The body positioning apparatus of claim 8, wherein the communication circuit comprises an RS232 communication circuit and an RS485 communication circuit.

10. The body positioning apparatus of claim 1, further comprising:

the input end of the power supply circuit is connected with a third set voltage, the output end of the power supply circuit is connected with a protection circuit and then outputs a second set voltage, and the second set voltage is used for supplying power to the main control circuit, the infrared detection circuit and the digital display circuit;

the protection circuit includes: the fourth diode is connected with the twenty-first capacitor, the ninth capacitor and the nineteenth capacitor in parallel, the anode of the fourth diode is connected with the output end, the cathode of the fourth diode is grounded, and the first inductor is connected in series between the fourth diode and the twenty-first capacitor.

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