TW202248969A - Isolation and positioning system based on collection of human body induced electric field to collect the human body's induced electric field signal, intensity, and frequency by the transmission circuit and transmitted to the detection device to form a background level value - Google Patents

Abstract

An isolation and positioning system of human body based on collection of human body induced electric field includes an electric field collection and positioning device and a detection device, the electric field collection and positioning device includes an insulating structure, an induced electric field collection electrode structure, and a transmission circuit. The transmission circuit is electrically connected to the electric field collection electrode structure. The detection device is electrically connected to the transmission circuit. The electric field collection electrode structure uses the near-field antenna effect to collect the human body's induced electric field signal. The above-mentioned human body's induced electric field signal, intensity, and frequency are collected by the transmission circuit and transmitted to the detection device to form a background level value, so that the current behavioral status of the human body can be known in real time.

Description

Isolation positioning system based on human body induction electric field collection

The invention relates to a positioning system, in particular to an isolated positioning system for collecting human body induced electric field.

In the care field of fall detection, a smart floor for human body detection has been disclosed, including a floor unit and a detection mechanism. The above floor unit is sequentially stacked with a grounding plate, a first conductive layer, and a dielectric layer from bottom to top. and the second conductive layer, the detection mechanism is respectively electrically connected to the first conductive layer and the second conductive layer, and a plurality of insulating layers can be arranged above the second conductive layer, so that a plurality of sensing areas are defined above the second conductive layer; With the above structure, the floor unit uses the first conductive layer and the second conductive layer as a distributed capacitive floor, and cooperates with the sensing area defined by the second conductive layer. When the weight of the human body stands on the floor, the weight of the human body will change The distance between the first conductive layer and the second conductive layer, and the voltage signal sent by the first conductive layer and the second conductive layer to the relevant induction area can be used to test the ground current generated by the human body subjected to the extremely low frequency electric field; This technology is a distributed capacitor structure, based on the change of capacitance, and can only be applied to the floor. Since the insulating layer is not completely laid on the second conductive layer, it cannot be applied to the bathroom floor.

In addition, there are also prior technologies that use induction floor tiles in the field of medical care to detect falls or abnormal gait. The specific method is to lay multiple induction floor tiles in the room, and each induction floor tile is equipped with a piezoelectric sensor inside, and The piezoelectric sensors are electrically connected to each other, each induction floor tile can receive pressure signals, and the pressure signals can be transmitted to the terminal monitoring device, so as to achieve remote However, each floor tile needs to be equipped with a piezoelectric sensor, and the installation cost is high. In addition, each circuit needs to be electrically connected to the piezoelectric sensor. If some piezoelectric sensors are broken, May affect the function of other piezoelectric sensors.

In addition, in the field of medical care, when the monitor is used for monitoring, if the care receiver turns over and falls from the bed, it may not be reported in time, and the medical treatment may be delayed, resulting in serious injury.

Therefore, according to the above-mentioned deficiency, there is still room for improvement in the prior art.

In view of the conventional problems, the present invention discloses a method of using the near-field antenna effect to collect human body induction electric field signals, and using the change of the electric field position to judge whether there is an abnormality in the gait or body posture, so as to facilitate real-time monitoring and rescue.

For this reason, the present invention designs a kind of isolated positioning system that collects with human body induction electric field, the purpose is to provide a kind of structure that is applied to the floor, can detect whether the user falls or other abnormal conditions in real time, including an electric field collecting and positioning device and a detection Device; the electric field collection and positioning device includes at least one insulating structure, at least one electric field collection electrode structure and a transmission circuit, the insulation structure is completely covered on one side of the electric field collection electrode structure, and the transmission circuit is electrically connected to the electric field collection electrode The structure of the electric field collection electrode is to use the induced potential of the far-field electric field formed by the human body and the AC power distribution line in the environment, and then use the near-field antenna effect to capture the human body's induced electric field signal through secondary induction; the detection device is Electrically connected to the transmission circuit, the above-mentioned induction electric field signal, strength and frequency of the human body are collected and transmitted to the detection device by the transmission circuit. The detection device sets the background value of the normal environment as the reference potential, and the induction electric field signal of the human body It is higher than the reference potential, so that the detection device can easily judge the induced electric field signal of the human body.

The present invention also discloses an isolation and positioning system that uses the human body induction electric field to collect data. The purpose is to provide a structure applied to quilts or mattresses, which can instantly sense the user's turning over, moving or falling off the bed, etc., including an electric field collection and positioning device and a detection device; the electric field collection and positioning device includes at least one insulation structure, at least one electric field collection electrode structure and a transmission circuit, the insulating structure is interwoven with the electric field collection electrode structure to form a strip-shaped conductive textile fabric, the transmission circuit is electrically connected to the electric field collection electrode structure, and the electric field collection electrode structure is Use the human body induction far-field electric field to capture the human body's induction electric field signal through the near-field antenna effect through secondary induction; the detection device is electrically connected to the transmission circuit, and the above-mentioned human body induction electric field signal, strength and frequency are collected by the transmission circuit It is sent to the detection device. The detection device sets the background value of the normal environment as the reference potential, and the induced electric field signal of the human body will be higher than the reference potential, so that the detection device can easily judge the induced electric field signal of the human body.

The present invention uses the near-field antenna effect to sense the electric field energy of the human body through the electric field collection and positioning device, and collects the electric field of the human body, and then transmits it to the detection device for signal conversion and monitoring, so as to instantly confirm the body position status Whether it is changed, so it can be applied to floors, quilts, and mattresses; if it is applied to quilts or mattresses, it is confirmed that the user turns over at night, or whether there is any abnormal state such as falling under the bed; when it is applied to the operating table for pets When it is soft, it can be monitored in real time by the system of the present invention from after the operation to when it is awake, and no one needs to stop and wait for a long time; when the top surface of the electric field collection electrode structure is completely covered with the insulating structure, it can be applied to the floor. Or in a humid environment such as the bathroom floor, it can monitor abnormal conditions such as people falling or slipping in the bathroom at any time.

10: Electric field collection and positioning device

11: Insulation structure

12: Electric field collection electrode structure

13: Transmission circuit

20: Detection device

21: Analog comparative amplifier

22: Analog Converter

23: Digitizer

24: Microprocessor

25: Display interface

26: I/O interface

27:Computer equipment

271: Notification system

28: Mobile Devices

[Fig. 1] is a schematic block diagram of the present invention.

[Fig. 2] is a schematic diagram of the user standing on the electric field acquisition and positioning device of the present invention.

[FIG. 3] is a schematic diagram of the matrix arrangement of the user's feet corresponding to the staggered XY axes of the present invention.

[Figure 4] is a schematic diagram of converting the electric field of the user standing in [Figure 3] into a signal.

[FIG. 5] is a schematic diagram of the user falling on the electric field collection and positioning device of the present invention.

[FIG. 6] is a schematic diagram of the matrix arrangement corresponding to the staggered XY axes of the user's whole body in the present invention.

[Fig. 7] is a schematic diagram of converting the electric field into a signal after the user in [Fig. 6] falls.

[Fig. 8] is a schematic diagram of turning over of the user lying on the mattress of the present invention.

[Fig. 9] is a schematic diagram of the arrangement of the Y axis in the same direction of [Fig. 8].

Referring to Fig. 1, the present invention discloses an isolation positioning system that uses human body induction electric field collection. Detection device 20, the electric field collecting and positioning device 10 includes a plurality of insulating structures 11, at least one electric field collecting electrode structure 12 and a transmission circuit 13, these insulating structures 11 can be used as the surface of the floor, and these insulating structures 11 are completely covered On one side of the electric field collection electrode structure 12, the transmission circuit 13 is electrically connected to the electric field collection electrode structure 12. The electric field collection electrode structure 12 uses the human body induction far-field electric field to capture the human body by secondary induction through the near-field antenna effect. The induction electric field signal; the detection device 20 is electrically connected to the transmission circuit 13, and the induction electric field signal, strength and frequency of the above-mentioned human body are collected and transmitted to the detection device 20 by the transmission circuit 13, and the detection device 20 is the The normal background value of the environment is set as the reference potential, and the induced electric field signal of the human body will be higher than the reference potential, so that the detection device 20 can easily judge the induced electric field signal of the human body; A connected analog comparison amplifier 21, the analog comparison amplifier 21 is electrically connected to an analog converter 22 respectively And a digital converter 23, the analog converter 22 and the digital converter 23 are electrically connected to a microprocessor 24, and the microprocessor 24 will set the background value of the normal environment as a reference potential (threshold), and the above reference potential In contrast to the transmission circuit 13 transmitting the induced electric field signal of the human body, the induced electric field signal of the human body will be higher than the reference potential (threshold value), so that the microprocessor 24 can easily judge the induced electric field signal of the human body. A display interface 25 and an I/O interface 26 are connected, and the I/O interface 26 is electrically connected to a computer device 27 .

With the above structure, the present invention utilizes the near-field antenna effect to completely cover the insulating structures 11 on the top surface of the electric field collecting electrode structure 12, so that the electric field collecting and positioning device 10 senses the electric field energy and collects the human body The induced electric field signal or charge is transmitted to the detection device 20 for signal conversion and monitoring, so as to instantly confirm whether the body's body position has changed. The present invention can be applied to the floor, or a humid environment such as a bathroom floor, Provide the user to step on the insulating structures 11 to avoid electric shock, so as to monitor whether someone falls or slips in the bathroom and other abnormal states at any time.

Continuing to refer to Fig. 1, the present invention also discloses an isolation and positioning system that uses human body induction electric field collection. An electric field collecting and positioning device 10 and a detection device 20, the electric field collecting and positioning device 10 includes at least one insulating structure 11, at least one electric field collecting electrode structure 12 and a transmission circuit 13, the insulating structure 11 is connected with the electric field collecting electrode structure 12 phases are interwoven to form a strip-shaped conductive textile fabric. The transmission circuit 13 is electrically connected to the electric field collection electrode structure 12. The electric field collection electrode structure 12 uses the human body to sense the far-field electric field through the near-field antenna effect to capture the human body through secondary induction. Induced electric field signal; the detection device 20 is electrically connected to the transmission circuit 13, and the above-mentioned induced electric field signal, strength and frequency of the human body are collected and transmitted to the transmission circuit 13 The detection device 20, the detection device 20 sets the background value of the normal environment as the reference potential, the induced electric field signal of the human body will be higher than the reference potential, so that the detection device 20 can easily judge the induced electric field signal of the human body; the detection The device 20 at least includes an analog comparison amplifier 21 electrically connected to the delivery circuit 13, the analog comparison amplifier 21 is electrically connected to an analog converter 22 and a digital converter 23 respectively, and the analog converter 22 and the digital converter The device 23 is electrically connected to a microprocessor 24, and the microprocessor 24 will set the background value of the normal environment as a reference potential (threshold value). The signal will be higher than the reference potential (threshold value), so that the microprocessor 24 can easily judge the induced electric field signal of the human body. The microprocessor 24 is electrically connected to a display interface 25 and an I/O interface 26 respectively. The O interface 26 is electrically connected to a computer device 27 .

With the above structure, the present invention uses the near-field antenna effect to sense the electric field energy through the electric field collection and positioning device 10, and collects and collects the induced electric field signal or charge amount of the human body, and then transmits it to the detection device 20 for signal Transformation and monitoring, in order to achieve real-time confirmation of whether the body's body position has changed, so it can be applied to quilts or mattresses; In abnormal conditions such as falling off the bed, the above-mentioned mattress can also be laid on the operating table. On the stage, the movement of the animal after waking up from the operation can be known immediately through the detection device 20, and no one needs to stop and wait for a long time.

In the above, the insulating structure 11 is made of hard or soft non-metal, such as tiles, floor tiles, cloth, etc., for example.

In the above, the electric field collection electrode structure 12 is a metal or non-metal conductive material Materials, for example, may be metal sheets, multi-core copper wires, braided copper wires, flexible printed circuits, carbon fibers, etc.

Referring to Fig. 2 to Fig. 4 together with Fig. 1, it is an example of a schematic diagram of a human body standing on the electric field collection and positioning device 10. The electric field collection electrode structure 12 is arranged in a matrix with XY axes staggered. In a normal standing state, one foot The X axis is located between X1-X2, and the Y axis is located between Y1-Y3, so that the electric field range can be defined. The computer device 27 will display an ON symbol between X1-X2 and Y1-Y3, indicating that it is currently detected The electric field, similarly, can detect the electric field range of the other foot. The area occupied by the two feet is small, so the electric field range is also small. From the signal scattered at different coordinates, it is likely to be in a walking state. Therefore, the computer equipment 27 can judge that the user is moving, and the computer equipment 27 has a built-in notification system 271. The notification system 271 can send a message to a mobile device 28 of the caregiver, so that the caregiver can receive the detected person's information immediately. current status.

Referring to Figures 5 to 7 together with Figure 1, it is an example of a schematic diagram of a human body falling on the electric field collection and positioning device 10. The electric field collection electrode structure 12 is arranged in a matrix with XY axes staggered. When the human body falls flat, the electric field range is large. The coordinates where the signals are concentrated in one area are likely to be in a falling state, so the computer device 27 can learn the possibility that the user may fall from the change of the electric field induced by the human body.

Referring to Figures 8 to 9 together with Figure 1, if the electric field collecting electrode structure 12 is applied to a quilt or a mattress, the electric field collecting electrode structure 12 is woven with a wire to form a strip-shaped conductive textile fabric, and the electric field collecting electrode structure 12 It is arranged in the same direction as the X-axis or Y-axis. If it is a mattress, it depends on the placement direction to define the X-axis or Y-axis. For example, Figure 2 shows that the directions of A1~A5 are arranged in the same direction as the X-axis, but if the If the mattress is rotated 90 degrees, the Y-axis will be arranged in the same direction as shown in the figure. When the signal of the computer device 27 moves to the left, it is a left turn, and the signal of the computer device 27 moves to the right. Turning over to the right, no signal at all means leaving the bed. The sleep quality and habits of the user can be monitored through the number of times of turning left and right. In addition, if it is in the state of leaving the bed, it is necessary to pay attention to whether it is getting up or turning over and falling to the ground.

It should be noted that the above-mentioned embodiments are only illustrative to illustrate the principles and effects of the present invention, and are not intended to limit the scope of the present invention. Anyone who is familiar with this technology can modify and change the embodiments without violating the technical principle and spirit of the present invention. Therefore, the protection scope of the present invention should be described in the scope of patent application described later.

10: Electric field collection and positioning device

11: Insulation structure

12: Electric field collection electrode structure

13: Transmission circuit

20: Detection device

21: Analog comparative amplifier

22: Analog Converter

23: Digitizer

24: Microprocessor

25: Display interface

26: I/O interface

27:Computer equipment

271: Notification system

28: Mobile Devices

Claims (8)

An isolated positioning system collected by human body induction electric field, including: An electric field collection positioning device, comprising at least one insulating structure, at least one electric field collection electrode structure and a transmission circuit, the insulation structure is completely covered on one side of the electric field collection electrode structure, and the transmission circuit is electrically connected to the electric field collection electrode structure , the electric field collection electrode structure uses the human body to induce the far field electric field to capture the human body's induced electric field signal through secondary induction through the near field antenna effect; A detection device is electrically connected to the transmission circuit, and the above-mentioned human body induction electric field signal, strength and frequency are collected and transmitted to the detection device by the transmission circuit. The detection device sets the background value of the normal environment as the reference potential, The induced electric field signal of the human body will be higher than the reference potential, so that the detection device can easily judge the induced electric field signal of the human body. An isolated positioning system collected by human body induction electric field, including: An electric field collecting and positioning device, comprising at least one insulating structure, at least one electric field collecting electrode structure and a transmission circuit, the insulating structure is interwoven with the electric field collecting electrode structure to form a strip-shaped conductive textile cloth, and the transmission circuit is electrically connected to the electric field Acquisition electrode structure, the electric field acquisition electrode structure is to use the human body to induce far-field electric field to capture the human body's induction electric field signal through secondary induction through the near-field antenna effect; A detection device is electrically connected to the transmission circuit, and the above-mentioned human body induction electric field signal, strength and frequency are collected and transmitted to the detection device by the transmission circuit. The detection device sets the background value of the normal environment as the reference potential, The induced electric field signal of the human body will be higher than the reference potential, so that the detection device can easily judge the induced electric field signal of the human body. The isolation and positioning system for collection of human body induction electric field as in claim 1 or 2, wherein the detection device at least includes an analog comparison amplifier electrically connected to the transmission circuit, and the analog comparison amplifiers are respectively electrically connected to an analog converter and a digital converter, the analog converter and the digital converter are electrically connected to a microprocessor, the microprocessor is respectively electrically connected to a display interface and an I/O interface, and the I/O interface is electrically connected to a Computer equipment. According to claim 3, the isolation and positioning system collected by human body induction electric field, wherein the computer equipment has a built-in notification system, and the notification system can send messages to a mobile device of the caregiver. Such as the isolated positioning system collected by the human body induction electric field in claim 3, wherein the The structure of the electric field collection electrodes is arranged in a matrix with XY axes staggered. According to claim 3, the isolation and positioning system for human body induction electric field collection, wherein the electric field collection electrode structure is arranged in the same direction as the X-axis or the Y-axis. The isolation and positioning system based on human body induction electric field collection according to claim 1 or 2, wherein the insulating structure material is hard or soft non-metal. According to claim 1 or 2, the isolation and positioning system for human body induction electric field collection, wherein the electric field collection electrode structure is made of metal or non-metallic conductive material.

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