CN216248105U - Ammeter anti-theft system based on thing networking - Google Patents
Ammeter anti-theft system based on thing networking Download PDFInfo
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- CN216248105U CN216248105U CN202122773348.2U CN202122773348U CN216248105U CN 216248105 U CN216248105 U CN 216248105U CN 202122773348 U CN202122773348 U CN 202122773348U CN 216248105 U CN216248105 U CN 216248105U
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Abstract
The utility model provides an electric meter anti-theft system based on the Internet of things, which comprises a box body for mounting an electric meter and a detection early warning system for detecting illegal invasion of the box body; the box body comprises three layers, namely a metal plate, an insulating cushion layer and an insulating coating from inside to outside, wherein a resistance strain layer is arranged between the insulating cushion layer and the insulating coating; the detection early warning system comprises an illegal intrusion detection module, a vibration detection module, a human body induction module, a control module, a wireless transmission module and a power supply module; can accurately detect and judge the illegal invasion of the electric meter box, can detect process data and can timely alarm, can not only play a good anti-theft effect, but also can provide accurate data support for retrospecting afterwards.
Description
Technical Field
The utility model relates to an electric power anti-theft system, in particular to an electric meter anti-theft system based on the Internet of things.
Background
In an electric power system, an electric meter is used for metering the electric quantity consumption of a user, and in actual use, the electric meter is often stolen (the stealing has two aspects, namely, on one hand, the meter is stolen, and on the other hand, the electric meter is stolen, namely, the wiring of the electric meter is illegally changed to achieve the purpose of stealing electricity); in the prior art, the anti-theft of the electric meter is basically based on physical defense, namely the structure of the electric meter box is strengthened and the lock of the electric meter box is improved, but the mode cannot prevent the physical damage to the electric meter box, and although some online detection modes are provided at present, the corresponding process data cannot be accurately acquired, and the anti-theft of the electric meter cannot be used for follow-up tracing.
Therefore, in order to solve the above technical problems, it is necessary to provide a new technical means.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide an electric meter anti-theft system based on the internet of things, which can accurately detect and judge illegal intrusion of an electric meter box, can detect process data and alarm in time, can achieve a good anti-theft effect, and can provide accurate data support for retrospection afterwards.
The utility model provides an electric meter anti-theft system based on the Internet of things, which comprises a box body for mounting an electric meter and a detection early warning system for detecting illegal invasion of the box body;
the box body comprises three layers, namely a metal plate, an insulating cushion layer and an insulating coating from inside to outside, wherein a resistance strain layer is arranged between the insulating cushion layer and the insulating coating;
the detection early warning system comprises an illegal intrusion detection module, a vibration detection module, a human body induction module, a control module, a wireless transmission module and a power supply module;
the intrusion monitoring module is used for detecting whether the resistance strain layer is damaged or not and outputting a detection signal to the control module by the output end of the intrusion monitoring module; the vibration detection module is used for detecting the vibration state of the box body and the output end of the vibration detection module outputs a vibration detection signal to the control module, the human body induction module is used for detecting whether a human body exists within a set distance and the output end of the human body induction module outputs a detection signal to the control module; the control module is in communication connection with the remote monitoring unit through the wireless transmission module, and the power supply module is used for supplying power to the intrusion detection module, the vibration detection module, the human body induction module, the control module and the wireless transmission module.
Further, the illegal intrusion detection module comprises an adjustable resistor R1, a resistance strain layer RT, a resistor R2, a resistor R3, a resistor R4, a capacitor C1, a resistor R5 and a comparator U1;
one end of the adjustable resistor R1 is connected to a power supply VCC; the other end of adjustable resistance R1 passes through resistance strain layer RT ground connection, the common junction point between adjustable resistance R1 and the resistance strain layer passes through resistance R2 and connects in comparator U1's inverting terminal, the one end of resistance R3 is connected in the power VCC, resistance R3's the other end passes through resistance R4 and electric capacity C1 and connects ground after parallelly connected, common junction point between resistance R3 and the resistance R4 connects in comparator U1's homophase end, the output of comparator U1 passes through resistance R5 and is connected with control module's input.
Further, the human body sensing module is an infrared human body sensor.
Further, the control module comprises a central processing circuit, a memory, an audible and visual alarm and a positioning circuit;
the central processing circuit is in communication connection with the memory, the control output end of the central processing circuit is connected with the control input end of the audible and visual alarm, the output end of the positioning circuit is connected with the input end of the central processing circuit, and the central processing circuit is in communication connection with the remote monitoring unit through the wireless transmission module.
Further, the wireless transmission module is a 4G module or a 5G module.
Furthermore, the positioning circuit is a GPS positioning circuit or a Beidou positioning circuit.
The system further comprises an image acquisition unit, wherein the image acquisition unit comprises a high-definition camera and a light supplement module;
the output end of the high-definition camera is connected with the input end of the control module, and the light supplementing module is used for detecting the light intensity of the environment where the box body is located and conducting light supplementing illumination.
Further, the light supplementing module comprises a light intensity sensor, an LED driving circuit and an LED lamp;
the output end of the light intensity sensor is connected to the input end of the control module, the control input end of the LED driving circuit is connected to the control output end of the control module, and the output end of the LED driving circuit is connected to the LED lamp.
Further, the power supply module comprises a transformer, a rectifying circuit, a filter circuit, an overvoltage and overcurrent protection control circuit and a voltage stabilizing circuit;
the input end of the transformer is connected to a mains supply, the output end of the transformer is connected with the input end of the rectifying circuit, the output end of the rectifying circuit is connected with the input end of the filter circuit, the input end of the filter circuit is connected with the input end of the overvoltage and overcurrent protection control circuit, the output end of the overvoltage and overcurrent protection control circuit is connected with the input end of the voltage stabilizing circuit, and the voltage stabilizing circuit outputs direct current.
The utility model has the beneficial effects that: according to the utility model, illegal invasion of the electric meter box can be accurately detected and judged, process data can be detected and timely alarming can be carried out, a good anti-theft effect can be achieved, and accurate data support can be provided for retrospection afterwards.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the box body of the present invention.
FIG. 3 is a schematic diagram of a strained layer structure according to the present invention.
Fig. 4 is a schematic diagram of an illegal intrusion detection module according to the present invention.
Detailed Description
The utility model is described in further detail below with reference to the drawings of the specification:
the utility model provides an electric meter anti-theft system based on the Internet of things, which comprises a box body for mounting an electric meter and a detection early warning system for detecting illegal invasion of the box body;
the box body comprises three layers, namely a metal plate 4, an insulating cushion layer 3 and an insulating coating 1 from inside to outside, and a resistance strain layer 2 is arranged between the insulating cushion layer 3 and the insulating coating 1; that is to say: the side plate of the box body consists of the three layers;
the detection early warning system comprises an illegal intrusion detection module, a vibration detection module, a human body induction module, a control module, a wireless transmission module and a power supply module; the vibration detection module adopts an existing vibration sensor;
the intrusion monitoring module is used for detecting whether the resistance strain layer is damaged or not and outputting a detection signal to the control module by the output end of the intrusion monitoring module; the vibration detection module is used for detecting the vibration state of the box body and the output end of the vibration detection module outputs a vibration detection signal to the control module, the human body induction module is used for detecting whether a human body exists within a set distance and the output end of the human body induction module outputs a detection signal to the control module; control module passes through wireless transmission module and remote monitoring unit communication connection, power module is used for supplying power to intrusion detection module, vibration detection module, human response module, control module and wireless transmission module, through above-mentioned structure, can carry out accurate detection judgement to the illegal invasion of ammeter case to can detect process data and can in time report an emergency and ask for help or increased vigilance, can enough play good theftproof effect, can provide accurate data support for traceing back afterwards again.
In this embodiment, the illegal intrusion detection module includes an adjustable resistor R1, a resistance strain layer RT, a resistor R2, a resistor R3, a resistor R4, a capacitor C1, a resistor R5, and a comparator U1;
one end of the adjustable resistor R1 is connected to a power supply VCC; the other end of adjustable resistance R1 passes through resistance strain layer RT ground connection, the common junction point between adjustable resistance R1 and the resistance strain layer passes through resistance R2 and connects in comparator U1's inverting terminal, the one end of resistance R3 is connected in the power VCC, resistance R3's the other end passes through resistance R4 and electric capacity C1 parallelly connected back ground connection, common junction point between resistance R3 and the resistance R4 connects in comparator U1's homophase end, the output of comparator U1 passes through resistance R5 and is connected with control module's input, as shown in the figure, after resistance strain layer is destroyed, its resistance can increase, that is to say: when resistance strain layer is normal often, through the resistance of adjustment adjustable resistance R1, make the partial pressure value between resistance R1 and the RT equal to the reference voltage that resistance R3 and resistance R4 given, comparator U1 output low level this moment, suffer destruction back when the resistance to strain layer, the voltage of the inverting terminal of comparator U1 will be greater than the homophase end voltage, at this moment, comparator U1 outputs the high level, this high level of central processing circuit discernment, thereby show that the ammeter case suffers illegal destruction, central processing circuit reports to the police and with warning information transmission to remote monitoring unit through audible-visual annunciator.
In this embodiment, the human response module is infrared human body sensor, adopts current structure for survey the human body, can set for infrared human body sensor's detection distance, if infrared human body sensor output signal then shows that there is the possibility of illegal invasion, central processing circuit control audible-visual annunciator reports to the police, in order to reach and drive away illegal intruder, and at this moment, central processing circuit does not report to the police to remote alarm unit.
In this embodiment, the control module includes a central processing circuit, a memory, an audible and visual alarm, and a positioning circuit;
the central processing circuit is in communication connection with the memory, the control output end of the central processing circuit is connected with the control input end of the audible and visual alarm, the output end of the positioning circuit is connected with the input end of the central processing circuit, the central processing circuit is in communication connection with the remote monitoring unit through the wireless transmission module, the central processing circuit adopts an existing single chip microcomputer such as an STM32 series single chip microcomputer, the wireless transmission module is a 4G module or a 5G module, and the positioning circuit is a GPS positioning circuit or a Beidou positioning circuit; of course, the whole system is also provided with a voltage sensor and a current sensor for detecting the voltage and the current of the inlet end of the electric meter, and the voltage and the current are input to the central processing circuit after being processed by the filter circuit and the analog-to-digital conversion circuit, the central processing circuit is also in communication connection with the processor of the electric meter to acquire the actual electric quantity counting information of the electric meter, the electric quantity state of the inlet end of the electric meter is acquired by the detection data of the voltage and the current sensor and compared with the metering information of the electric meter, whether the possibility of electricity stealing exists is judged, and an alarm is given to the remote monitoring unit, the remote monitoring unit adopts the prior art, for example, a monitoring host, a display and the like are combined, and a mobile intelligent terminal can also be adopted.
The wireless transmission module adopts a 4G module or a 5G module, has the advantages of stable transmission and no need of additional wiring, is convenient to use, and can also adopt other wireless transmission modes, such as a ZigBee module, a UWB module and the like, and the modes need to be provided with a relay server to realize remote transmission.
In this embodiment, the system further comprises an image acquisition unit, wherein the image acquisition unit comprises a high-definition camera and a light supplement module;
the output end of the high-definition camera is connected with the input end of the control module, and the light supplementing module is used for detecting the light intensity of the environment where the box body is located and conducting light supplementing illumination.
The light supplementing module comprises a light intensity sensor, an LED driving circuit and an LED lamp;
the output end of the light intensity sensor is connected to the input end of the control module, the control input end of the LED driving circuit is connected to the control output end of the control module, the output end of the LED driving circuit is connected to the LED lamp, and by the structure, image acquisition can be carried out when illegal invasion occurs, so that subsequent tracing processing is facilitated.
In this embodiment, the power supply module includes a transformer, a rectification circuit, a filter circuit, an overvoltage and overcurrent protection control circuit, and a voltage stabilizing circuit;
the input end of the transformer is connected with commercial power, the output end of the transformer is connected with the input end of the rectifying circuit, the output end of the rectifying circuit is connected with the input end of the filter circuit, the input end of the filter circuit is connected with the input end of the overvoltage and overcurrent protection control circuit, the output end of the overvoltage and overcurrent protection control circuit is connected with the input end of the voltage stabilizing circuit, the voltage stabilizing circuit outputs direct current, wherein, the overvoltage and overcurrent protection control circuit adopts the existing circuit for overvoltage and overcurrent protection so as to protect the subsequent electric devices and ensure the electric safety, the voltage stabilizing circuit adopts the existing circuit, such as LM2596 (the output is 5V), ASM1117-3.3V (the output is 3.3V), LM7809 (the output is 9V) and the like, the actual voltage of the electric device is selected, and the voltage stabilizing circuit can also be formed by combining the various voltage stabilizing circuits, so that the rated voltage requirements of different electric devices can be met.
The principle of the utility model is as follows:
human response module is used for responding to the human body near the box, detect human existence when human response module, central processing circuit reports an emergency and asks for help or increased vigilance through audible-visual annunciator, thereby drive away, respond to human existence back when human response module, and vibration sensor detects the box and takes place the vibration, central processing unit controls image acquisition collection unit and is in the work, acquire the image information that image acquisition unit gathered, and form alarm data transmission to remote monitoring unit with image information, vibration information and human detection information together.
When the intrusion does not exist, the central processing circuit packs the electric meter metering information acquired in real time and the voltage and current information output by the voltage and current sensors into monitoring data and periodically transmits the monitoring data to the remote monitoring unit.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The utility model provides an ammeter anti-theft system based on thing networking which characterized in that: the system comprises a box body for mounting an electric meter and a detection early warning system for detecting illegal invasion of the box body;
the box body comprises three layers, namely a metal plate, an insulating cushion layer and an insulating coating from inside to outside, wherein a resistance strain layer is arranged between the insulating cushion layer and the insulating coating;
the detection early warning system comprises an illegal intrusion detection module, a vibration detection module, a human body induction module, a control module, a wireless transmission module and a power supply module;
the intrusion detection module is used for detecting whether the resistance strain layer is damaged or not and outputting a detection signal to the control module by the output end of the intrusion detection module; the vibration detection module is used for detecting the vibration state of the box body and the output end of the vibration detection module outputs a vibration detection signal to the control module, the human body induction module is used for detecting whether a human body exists within a set distance and the output end of the human body induction module outputs a detection signal to the control module; the control module is in communication connection with the remote monitoring unit through the wireless transmission module, and the power supply module is used for supplying power to the intrusion detection module, the vibration detection module, the human body induction module, the control module and the wireless transmission module.
2. The Internet of things-based electric meter anti-theft system according to claim 1, characterized in that: the illegal intrusion detection module comprises an adjustable resistor R1, a resistance strain layer RT, a resistor R2, a resistor R3, a resistor R4, a capacitor C1, a resistor R5 and a comparator U1;
one end of the adjustable resistor R1 is connected to a power supply VCC; the other end of adjustable resistance R1 passes through resistance strain layer RT ground connection, the common junction point between adjustable resistance R1 and the resistance strain layer passes through resistance R2 and connects in comparator U1's inverting terminal, the one end of resistance R3 is connected in the power VCC, resistance R3's the other end passes through resistance R4 and electric capacity C1 and connects ground after parallelly connected, common junction point between resistance R3 and the resistance R4 connects in comparator U1's homophase end, the output of comparator U1 passes through resistance R5 and is connected with control module's input.
3. The Internet of things-based electric meter anti-theft system according to claim 1, characterized in that: the human body sensing module is an infrared human body sensor.
4. The Internet of things-based electric meter anti-theft system according to claim 1, characterized in that: the control module comprises a central processing circuit, a memory, an audible and visual alarm and a positioning circuit;
the central processing circuit is in communication connection with the memory, the control output end of the central processing circuit is connected with the control input end of the audible and visual alarm, the output end of the positioning circuit is connected with the input end of the central processing circuit, and the central processing circuit is in communication connection with the remote monitoring unit through the wireless transmission module.
5. The Internet of things-based electric meter anti-theft system according to claim 1, characterized in that: the wireless transmission module is a 4G module or a 5G module.
6. The Internet of things-based electric meter anti-theft system according to claim 4, wherein: the positioning circuit is a GPS positioning circuit or a Beidou positioning circuit.
7. The Internet of things-based electric meter anti-theft system according to claim 1, characterized in that: the system also comprises an image acquisition unit, wherein the image acquisition unit comprises a high-definition camera and a light supplement module;
the output end of the high-definition camera is connected with the input end of the control module, and the light supplementing module is used for detecting the light intensity of the environment where the box body is located and conducting light supplementing illumination.
8. The Internet of things-based electric meter anti-theft system according to claim 7, wherein: the light supplementing module comprises a light intensity sensor, an LED driving circuit and an LED lamp;
the output end of the light intensity sensor is connected to the input end of the control module, the control input end of the LED driving circuit is connected to the control output end of the control module, and the output end of the LED driving circuit is connected to the LED lamp.
9. The Internet of things-based electric meter anti-theft system according to claim 1, characterized in that: the power supply module comprises a transformer, a rectifying circuit, a filter circuit, an overvoltage and overcurrent protection control circuit and a voltage stabilizing circuit;
the input end of the transformer is connected to a mains supply, the output end of the transformer is connected with the input end of the rectifying circuit, the output end of the rectifying circuit is connected with the input end of the filter circuit, the input end of the filter circuit is connected with the input end of the overvoltage and overcurrent protection control circuit, the output end of the overvoltage and overcurrent protection control circuit is connected with the input end of the voltage stabilizing circuit, and the voltage stabilizing circuit outputs direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122773348.2U CN216248105U (en) | 2021-11-12 | 2021-11-12 | Ammeter anti-theft system based on thing networking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122773348.2U CN216248105U (en) | 2021-11-12 | 2021-11-12 | Ammeter anti-theft system based on thing networking |
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| CN216248105U true CN216248105U (en) | 2022-04-08 |
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| CN202122773348.2U Active CN216248105U (en) | 2021-11-12 | 2021-11-12 | Ammeter anti-theft system based on thing networking |
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- 2021-11-12 CN CN202122773348.2U patent/CN216248105U/en active Active
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