KR101778743B1 - System and method for weak person safery tracking using piezoelectric harvesting energy - Google Patents

System and method for weak person safery tracking using piezoelectric harvesting energy Download PDF

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Publication number
KR101778743B1
KR101778743B1 KR1020150069813A KR20150069813A KR101778743B1 KR 101778743 B1 KR101778743 B1 KR 101778743B1 KR 1020150069813 A KR1020150069813 A KR 1020150069813A KR 20150069813 A KR20150069813 A KR 20150069813A KR 101778743 B1 KR101778743 B1 KR 101778743B1
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information
surveillance camera
control server
piezoelectric sensor
piezoelectric
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KR1020150069813A
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Korean (ko)
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KR20160136090A (en
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허정
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주식회사 다누시스
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0269—System arrangements wherein the object is to detect the exact location of child or item using a navigation satellite system, e.g. GPS
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/13—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing having piezoelectric or piezoresistive properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0205—Specific application combined with child monitoring using a transmitter-receiver system
    • G08B21/0208—Combination with audio or video communication, e.g. combination with "baby phone" function
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0263—System arrangements wherein the object is to detect the direction in which child or item is located
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0277—Communication between units on a local network, e.g. Bluetooth, piconet, zigbee, Wireless Personal Area Networks [WPAN]

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  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Studio Devices (AREA)
  • Alarm Systems (AREA)

Abstract

The present invention relates to an apparatus and a method for measuring a weight of a human body, comprising a body weight sensing unit for measuring body weight to be applied to a piezoelectric element for a predetermined period of time to generate body weight information, a position sensing unit for generating real- And a communication unit for transmitting the position information generated by the position sensing unit to the control server, the piezoelectric sensor being embedded in the lower part of the insole of the shoe; The method of claim 1, further comprising the steps of: storing installation information for at least one surveillance camera in a database; receiving weight information and position information from the piezoelectric sensor; displaying the position information on a GIS if the received weight information is smaller than predetermined weight information; Searching installation information of a surveillance camera corresponding to a location closest to the location information, transmitting photographing information including the location information to a surveillance camera corresponding to installation information about the surveillance camera searched, A control server receiving and displaying the control server; And a surveillance camera for photographing a location corresponding to the location information when the photographing information including the location information is received from the control server and transmitting the photographed location to the control server. Tracking system. According to the present invention, weight information of an object is generated through a piezoelectric element of a piezoelectric sensor device, transmitted to a control server, and weight information is analyzed in a control server to determine an abbreviated class. And to provide a tracking system and method for tracking the safety of a weak person using piezoelectric harvesting energy for preventing the occurrence of the abbreviation, the occurrence of crime, and the safety accident by controlling the surveillance with the surveillance camera.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a system and method for safety monitoring using a piezoelectric harvesting energy,

More particularly, the present invention relates to a system for tracking safety of a sick person using piezoelectric harvesting energy. More particularly, the present invention generates body weight information of a subject through a piezoelectric element of a piezoelectric sensor, transmits the body weight information to a control server, It is used to judge the abbreviated layer, display the abbreviated position in real time on the GIS and manage it, and control the tracking camera with surveillance camera to prevent the occurrence of abbreviations, crime and safety accidents. Tracking system and method.

The present invention relates to a system and method for tracking social security using piezoelectric harvesting energy.

Recently, in order to prevent the disappearance of infants, the handicapped, the elderly with dementia, etc., a name tag is attached or a tag is made in the form of a necklace, a bracelet or the like, or when the protector and the protected person are separated by a sensor device, And the like are used.

However, in the above method, since the distance to be tracked is limited, in order to prevent this, there is a case where a mobile communication terminal having a GPS receiving function is used to track a location, but the mobile communication terminal is expensive, There is a limit to location tracking.

Accordingly, in order to achieve this, a location tracker is installed in a wearable device, such as a user's clothes, a shoe, a watch, etc., and a smart location tracker, which wirelessly communicates with a guardian's mobile communication terminal, 'Is emerging as a new alternative.

Korean Patent Registration No. 10-0982398

In order to solve the above-described problems, an object of the present invention is to generate weight information of an object through a piezoelectric element of a piezoelectric sensor, transmit the weight information to a control server, analyze weight information in the control server, The present invention is to provide a system and method for tracking the safety of a weak person using piezoelectric harvesting energy for preventing the disappearance of the weak person, the occurrence of crime and the safety accident by controlling the position to be displayed on the GIS in real time, .

It is another object of the present invention to provide a piezoelectric sensor device in which the piezoelectric energy applied to a piezoelectric element of a piezoelectric sensor device is converted into electric energy and supplied to a weight sensing part, a position sensing part and a communication part of the piezoelectric sensor device, The present invention provides a system and method for tracking the safety of a weak person using piezoelectric harvesting energy.

In order to accomplish the above object, the present invention provides a system for tracking safety of a sick person using a piezoelectric harvesting energy, comprising: a body weight sensing unit for measuring body weight applied to a piezoelectric element for a predetermined time to generate body weight information; A communication unit for transmitting the weight information generated by the weight sensing unit and the position information generated by the position sensing unit to the control server through at least one of Wi-Fi, Bluetooth, RFID tag, and ZigBee; And a power unit for converting the piezoelectric energy applied to the piezoelectric element into electric energy through a power converter, storing the converted electric energy in the secondary battery, and supplying the stored electric energy to the weight sensing unit, the position sensing unit and the communication unit, A piezoelectric sensor unit embedded in the lower part of the insole; Storing installation information for at least one surveillance camera in a database, receiving weight information and positional information from the piezoelectric sensor device, and, when the received weight information is smaller than preset weight information, corresponding to weight information received from the piezoelectric sensor device The location information is displayed on the GIS, the installation information of the surveillance camera corresponding to the closest location from the location information is searched, and the surveillance camera corresponding to the installation information of the surveillance camera is used A control server for transmitting photographing information including positional information and receiving and displaying a photographed image from the surveillance camera; And a surveillance camera that photographs a location corresponding to the location information and transmits the location information to the control server when the photographing information including the location information is received from the control server, A plurality of surveillance cameras are searched so that a point can be photographed at various angles, and in order for the surveillance camera to distinguish each of the piezoelectric sensor devices, a piezoelectric sensor is used as a surveillance camera with identification information represented by at least one of numerals, letters, And the surveillance camera focuses a point corresponding to the position information of the piezoelectric sensor unit on the basis of the photographing information received from the control server and the identification information received from the piezoelectric sensor unit.

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In order to accomplish the above object, the present invention provides a method for tracking social security using piezoelectric hovering energy, comprising the steps of: (a) generating a weight information by measuring a weight applied to a piezoelectric element during a predetermined time by a weight sensor; The position sensing unit generates real-time position information via GPS, and the communication unit transmits the weight information generated by the weight sensing unit and the position information generated by the position sensing unit to at least one of a Wi-Fi, a Bluetooth, an RFID tag, The piezoelectric transducer converts the piezoelectric energy applied to the piezoelectric element in the power unit into electric energy through the power converter, stores the converted electric energy in the secondary battery, and stores the stored electric energy in the body weight sensing unit, the position sensing unit, ; (b) When the control server receives the weight information and the position information from the piezoelectric sensor device and the received weight information is smaller than the preset weight information, the control server determines the object corresponding to the weight information received from the piezoelectric sensor device as the abbreviated class The installation information for the surveillance camera corresponding to the closest location from the location information is displayed on the GIS, and the surveillance camera corresponding to the installation information on the surveillance camera retrieves the photographing information including the location information Transmitting; (c) when the surveillance camera receives the photographing information including the positional information from the control server, photographing a point corresponding to the positional information and transmitting the photographing to the control server; And (d) receiving and displaying an image photographed by the surveillance server from the surveillance server; The control server searches a plurality of surveillance cameras so that a position corresponding to the position information of the piezoelectric sensor can be photographed at various angles, and the surveillance camera searches the account information And the surveillance camera transmits identification information represented by at least one of numbers, letters and symbols corresponding to the position information of the piezoelectric sensor device based on the photographing information received from the control server and the identification information received from the piezoelectric sensor device And focuses on a point to be photographed.

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As described above, according to the present invention, the body weight information of the object is generated through the piezoelectric element of the piezoelectric sensor unit, transmitted to the control server, the body weight information is analyzed in the control server to determine the abbreviation layer, And it is possible to provide a system and method for tracking social security using piezoelectric harvesting energy for preventing disappearance of abbreviations, occurrence of crime and safety accidents by controlling the monitoring and photographing with a surveillance camera.

In addition, according to the present invention, the piezoelectric energy applied to the piezoelectric element of the piezoelectric sensor device is converted into electric energy, and supplied to the weight sensing part, the position sensing part, and the communication part of the piezoelectric sensor device to thereby stably maintain the power supply of the piezoelectric sensor device It is possible to provide a system and method for tracking the safety of a weak person using piezoelectric harvesting energy.

FIG. 1 is a diagram illustrating an example of a social abbreviation safety tracking system using piezoelectric harvesting energy according to a preferred embodiment of the present invention.
2 is a block diagram showing a configuration of a piezoelectric sensor device according to a preferred embodiment of the present invention.
FIG. 3 is an exemplary view showing the position of the abbreviation according to a preferred embodiment of the present invention on a GIS.
FIG. 4 is a flowchart illustrating a method of tracking social security by using piezoelectric harvesting energy according to a preferred embodiment of the present invention.

The details of other embodiments are included in the detailed description and drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention 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 scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described with reference to the accompanying drawings, which illustrate a system and method for tracking social security using piezoelectric harvesting energy according to embodiments of the present invention.

FIG. 1 is a diagram illustrating a system for tracking safety of a societal safety using piezoelectric harvesting energy according to a preferred embodiment of the present invention. FIG. 2 is a block diagram showing the configuration of a piezoelectric sensor device according to a preferred embodiment of the present invention.

Referring to FIG. 1, the social security system 10 for tracking safety using piezoelectric harvesting energy includes a piezoelectric sensor 100, a control server 200, and a surveillance camera 300.

Piezoelectric hubbing energy refers to the energy used to convert energy such as power, pressure, and vibration that are thrown away into usable electrical energy.

First, the piezoelectric sensor device 100 is embedded in the lower part of the insole of the shoe, as shown in Fig.

2, the piezoelectric sensor device 100 includes a power supply unit 110, a weight sensing unit 120, a position sensing unit 130, and a communication unit 140.

The power unit 110 converts the force applied to the piezoelectric element 111, that is, the piezoelectric energy, into electric energy through the power converter 112, and the converted electric energy is stored in the secondary battery 113.

At this time, it is preferable that the piezoelectric element 111 is provided on one side or the other side of the insole of the shoe. The piezoelectric element 111 produces energy (or electric power) when a pressing pressure is generated. That is, when the user wears or walks the shoe, a pressing pressure is generated so that the user's heel or forefoot presses the piezoelectric element 111, and the piezoelectric element 111 generates energy by the pressing pressure.

The secondary battery 113 is preferably an eco-friendly battery which is charged semi-permanently and is preferably made of nickel-cadmium, lithium ion, nickel-hydrogen, lithium polymer or the like.

The power supply unit 110 supplies the electric energy stored in the secondary battery 113 to the body weight sensing unit 120, the position sensing unit 130, and the communication unit 140.

The weight sensing unit 120 receives the electric energy from the power supply unit 110 and measures the body weight applied to the piezoelectric element 111 for a predetermined time to generate weight information.

The position sensing unit 130 receives electrical energy from the power supply unit 110 and generates real-time position information through a GPS (Global Positioning System).

In this case, the position information is preferably generated including latitude, longitude, and coordinates to indicate the position of the piezoelectric sensor.

The communication unit 140 receives electrical energy from the power supply unit 110 and transmits the weight information generated in the weight sensing unit and the position information generated in the position sensing unit to the control server 200 through wireless communication. At this time, the communication unit 140 communicates using at least one of Wi-Fi, Bluetooth, RFID tag, and Zigbee.

For example, if a wireless communication module is provided in the piezoelectric sensor device, weight information and positional information are transmitted to the control server through the Wi-Fi. If the Bluetooth sensor is equipped with the Bluetooth sensor, Bluetooth is activated to search for surrounding control server Bluetooth , The weight information and position information can be transmitted to the discovered control server Bluetooth. At this time, it is preferable that at least one control server is formed in each predetermined zone. In addition, if the RFID tag is provided in the piezoelectric sensor unit and the RFID reader is provided in the control server, the weight information and the position information generated in the piezoelectric sensor unit are transmitted to the control server through the RFID reader and the RFID tag, If the module is provided, it is preferable to transmit weight information and position information to the control server through ZigBee communication.

Next, the control server 200 stores installation information on one or more surveillance cameras 300 in a database (DB) 210, as shown in FIG.

At this time, the installation information for the surveillance camera is preferably generated including latitude, longitude, and coordinates for indicating the location of the surveillance camera.

In addition, the control server 200 receives weight information and position information from the piezoelectric sensor device 100 via wireless communication. At this time, when the weight information received from the piezoelectric sensor device 100 is smaller than the preset weight information in the control server 200, the control server 200 displays the position information on a GIS (Geographic Information System). Here, when the control server 200 determines that the weight information received from the piezoelectric sensor device 100 is smaller than the predetermined weight information, the control server 200 determines that the object corresponding to the weight information received from the piezoelectric sensor device 100 is an abbreviated class.

The control server 200 searches installation information of the surveillance camera 300 installed nearest to the location information and stores the location information in the surveillance camera 300 corresponding to the installed information of the surveillance camera 300 And transmits the photographed information.

At this time, the photographing information is a signal instructing to photograph a point corresponding to the position information.

In addition, the control server 200 searches one or more surveillance cameras 300 and receives images from one or more surveillance cameras 300.

For example, the control server 200 controls the surveillance camera 300 installed nearest to the position information of the piezoelectric sensor device 100 so that the point corresponding to the position information of the piezoelectric sensor device 100 can be photographed at various angles. As shown in FIG.

In addition, the control server 200 receives the photographed image from the surveillance camera 300 and displays it on the display. At this time, the control server 200 preferably stores the image received from the surveillance camera 300 in the database 210.

1, the surveillance camera 300 receives photographing information including positional information of the piezoelectric sensor device 100 from the control server 200, photographs a point corresponding to the positional information, To the server (200).

Here, the surveillance camera 300 is a surveillance camera searched from the control server 200, and is a surveillance camera located closest to the piezoelectric sensor 100. [

At this time, it is preferable that the surveillance camera 300 includes a CCTV, an HD camera, and an IP camera, which are installed in advance in various places in the city.

In addition, the surveillance camera 300 preferably photographs a point corresponding to the position information of the piezoelectric sensor device 100 for a predetermined time.

For example, when the surveillance camera 300 receives the location information from the control server 200, the surveillance camera 300 moves to the point corresponding to the location information and photographs the surveillance camera. At this time, it is preferable to photograph the surveillance camera by adjusting the direction and angle of the lens.

In addition, the piezoelectric sensor device 100 transmits identification information including device account information to the surveillance camera 300 through the communication unit.

At this time, it is preferable that the device account information is information for distinguishing each of the piezoelectric sensor units from each other, and the identification information indicates at least one of numerals, letters, and symbols.

When the surveillance camera 300 receives the identification number from the piezoelectric sensor device 100, the surveillance camera 300 focuses on a point corresponding to the position information of the piezoelectric sensor device 100.

For example, when the surveillance camera 300 receives photographing information from the control server 200 and photographs the coordinate point, if there is at least one piezoelectric sensor unit 100 at the corresponding point, It may be difficult to identify and photograph the corresponding piezoelectric sensor device 100. The piezoelectric sensor device 100 is connected to the surveillance camera 300 through the communication unit 140 so that the surveillance camera 300 can identify the corresponding piezoelectric sensor device 100 and accurately photograph the periphery of the piezoelectric sensor device 100. [ It is preferable to transmit the identification information including the information. At this time, the surveillance camera 300 adjusts the direction and angle of the surveillance camera 300, that is, the lens, based on the photographing information received from the control server 200 and the identification information received from the piezoelectric sensor device 100, It is preferable to photograph the point corresponding to the position information of the image pickup device 100 for more accurate photographing.

FIG. 3 is an exemplary view showing the position of the abbreviation according to a preferred embodiment of the present invention on a GIS.

Referring to FIG. 3, the control server analyzes the weight information received from the piezoelectric sensor, determines that the weight information is smaller than the predetermined weight information, and displays the current position of the abbreviation on the GIS as shown in FIG. 3 So as to facilitate identification.

The abbreviation layer is preferably represented by a specific color or symbol, as shown in Fig.

FIG. 4 is a flowchart illustrating a method of tracking social security by using piezoelectric harvesting energy according to a preferred embodiment of the present invention.

4, the piezoelectric sensor device 100 first converts the piezoelectric energy applied to the piezoelectric element 111 into electric energy through the power converter 112, and supplies the converted electric energy to the body weight sensing unit 120. [ The position sensing unit 130, and the communication unit 140, respectively. Thereafter, the body weight information is generated by measuring the body weight applied to the piezoelectric element 111 for a preset time by the body weight sensing unit 120. The position sensing unit 130 generates real time position information through GPS, The weight information generated by the weight sensing unit and the position information generated by the position sensing unit are transmitted to the control server (S 110).

Next, the control server 200 receives the weight information and the position information from the piezoelectric sensor device 100, and displays the position information on the GIS when the received weight information is smaller than the predetermined weight information (S 120).

Then, the control server 200 matches the location information with the installation information of the surveillance camera 300 previously stored in the database 210, retrieves the installation information of the surveillance camera 300 installed in the nearest place from the location information, And the photographing information including the location information is transmitted to the surveillance camera corresponding to the installed information of the surveillance camera (S 130). At this time, the control server 200 searches at least one surveillance camera nearest to the piezoelectric sensor device 100.

 Then, when the surveillance camera 300 receives the photographing information from the control server 200, the surveillance camera 300 photographs a point corresponding to the position information of the piezoelectric sensor and transmits it to the control server 200 (S 140). At this time, the piezoelectric sensor device 100 transmits the identification information including the device account information to the surveillance camera 300. When the surveillance camera 300 receives the identification information from the piezoelectric sensor device 100, the position of the piezoelectric sensor device 100 Focus on the point corresponding to the information and shoot.

Then, the control server 200 receives the photographed image from the surveillance camera 300 and displays it on the display (S 150).

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.

10: Social Understanding Safety Tracking System Using Piezoelectric Harvesting Energy
100: Piezoelectric sensor 110: Power supply
111: piezoelectric element 112: power converter
113: secondary battery 120: weight detecting unit
130: Position sensing unit 140:
200: control server 210: database
300: Surveillance camera

Claims (10)

A position sensing unit for generating real-time position information by means of GPS, a weight sensing unit for sensing weight information generated by the weight sensing unit, A communication unit for transmitting the generated position information to a control server through at least one of a Wi-Fi, a Bluetooth, an RFID tag, and a ZigBee; and a communication unit for converting the piezoelectric energy applied to the piezoelectric element into electric energy through a power converter, A piezoelectric sensor unit including a power sensing unit, a position sensing unit, and a power unit for storing electric energy stored in the secondary battery and stored in the lower portion of the shoe;
Storing installation information for at least one surveillance camera in a database, receiving weight information and positional information from the piezoelectric sensor device, and, when the received weight information is smaller than preset weight information, corresponding to weight information received from the piezoelectric sensor device The location information is displayed on the GIS, the installation information of the surveillance camera corresponding to the closest location from the location information is searched, and the surveillance camera corresponding to the installation information of the surveillance camera is used A control server for transmitting photographing information including positional information and receiving and displaying a photographed image from the surveillance camera; And
And a surveillance camera that photographs a location corresponding to the location information and transmits the location information to the control server when the photographing information including the location information is received from the control server,
The control server searches a plurality of surveillance cameras so that a position corresponding to the position information of the piezoelectric sensor can be photographed at various angles,
In order for the surveillance camera to identify each of the piezoelectric sensor devices, the piezoelectric sensor device transmits identification information represented by at least one of numbers, characters, and symbols including account information to the surveillance camera,
The surveillance camera focuses on the point corresponding to the position information of the piezoelectric sensor based on the photographing information received from the control server and the identification information received from the piezoelectric sensor device
A safety monitoring system for the weak people using piezoelectric harvesting energy.
delete delete delete delete (a) The piezoelectric sensor generates body weight information by measuring the body weight applied to the piezoelectric element for a predetermined time in the body weight sensing unit, generates the real-time position information through the GPS in the position sensing unit, The weight information and the position information generated by the position sensing unit are transmitted to the control server through at least one of Wi-Fi, Bluetooth, RFID tag and Zigbee, and the piezoelectric energy applied to the piezoelectric element in the power supply unit is transmitted to the control server through the power converter, Storing the converted electrical energy in a secondary battery, and supplying the stored electrical energy to a body weight sensing unit, a position sensing unit, and a communication unit;
(b) When the control server receives the weight information and the position information from the piezoelectric sensor device and the received weight information is smaller than the preset weight information, the control server determines the object corresponding to the weight information received from the piezoelectric sensor device as the abbreviated class The installation information for the surveillance camera corresponding to the closest location from the location information is displayed on the GIS, and the surveillance camera corresponding to the installation information on the surveillance camera retrieves the photographing information including the location information Transmitting;
(c) when the surveillance camera receives the photographing information including the positional information from the control server, photographing a point corresponding to the positional information and transmitting the photographing to the control server; And
(d) a control server receiving and displaying an image photographed from the surveillance camera;
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The control server searches a plurality of surveillance cameras so that a position corresponding to the position information of the piezoelectric sensor can be photographed at various angles,
In order for the surveillance camera to identify each of the piezoelectric sensor devices, the piezoelectric sensor device transmits identification information represented by at least one of numbers, characters, and symbols including account information to the surveillance camera,
The surveillance camera focuses on the point corresponding to the position information of the piezoelectric sensor based on the photographing information received from the control server and the identification information received from the piezoelectric sensor device
A method for tracking the safety of a weak person using piezoelectric harvesting energy. delete delete delete delete
KR1020150069813A 2015-05-19 2015-05-19 System and method for weak person safery tracking using piezoelectric harvesting energy KR101778743B1 (en)

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CN109708735A (en) * 2019-01-29 2019-05-03 浙江力嘉电子科技有限公司 A kind of house refuse intelligence harvesting weighing device

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Publication number Priority date Publication date Assignee Title
KR101496341B1 (en) * 2013-05-31 2015-03-02 김현욱 Lost child prevention system using wi-fi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101496341B1 (en) * 2013-05-31 2015-03-02 김현욱 Lost child prevention system using wi-fi

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