CN212460796U - Electronic fence system - Google Patents
Electronic fence system Download PDFInfo
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- CN212460796U CN212460796U CN202021337349.1U CN202021337349U CN212460796U CN 212460796 U CN212460796 U CN 212460796U CN 202021337349 U CN202021337349 U CN 202021337349U CN 212460796 U CN212460796 U CN 212460796U
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Abstract
The utility model discloses an electronic fence system, set up high-voltage pulse generation module, low pressure pulse generation module and high-low pressure switching module, when high-voltage pulse generation module breaks down by the operational environment influence, can switch to low pressure pulse generation module through high-low pressure switching module, provide the low pressure pulse signal for the electronic fence by low pressure pulse generation module, continue to carry out the security protection and detect, vice versa, can avoid causing the situation that the whole system can't be used normally because of local circuit is corroded to take place; when the controller module can not receive the resistance value, or the received resistance value is obviously abnormal, the on-site alarm can be implemented through the alarm module, and the alarm information can be sent to the remote alarm receiving center through the wireless transmission module, so that maintenance personnel can timely handle the alarm and maintain the stable operation of the system.
Description
Technical Field
The utility model relates to a perimeter security protection technical field, concretely relates to fence system.
Background
The electronic fence system is a perimeter security protection facility, provides a high-voltage pulse signal by a high-voltage electronic pulse host, and generates an alarm system when detecting a touch, a short circuit or an open circuit, and is mainly applied to places such as unattended substations, machine rooms, warehouses and the like.
The existing electronic fence systems all work outdoors, and the outdoor environment is unstable, so that the electronic fence and related circuits are easily corroded and damaged, and the system performance is unstable. When the local circuit is corroded, the performance of the whole system is often reduced, even the whole system cannot be used normally, so that the perimeter security is in a dangerous condition, the intrusion condition cannot be continuously detected, and the alarm cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electronic fence system provides hardware support for solving the problem that "lead to the unable normal use of system" because of local circuit is corroded that prior art exists.
An electronic fence system comprises an electronic fence, a high-voltage pulse generation module, a low-voltage pulse generation module, a high-voltage and low-voltage switching module, a resistance detection module, a controller module, a positioning module, an alarm module, a wireless transmission module and a remote alarm receiving center;
the output end of the high-voltage pulse generation module is connected with one input end of the high-voltage and low-voltage switching module, and an electric field signal of the electronic fence is input into the high-voltage pulse generation module; the output end of the low-voltage pulse generation module is connected with the other input end of the high-voltage and low-voltage switching module; the control end of the high-low voltage switching module is connected with the controller module; a metal body is arranged on the electronic fence, and the high-low voltage switching module outputs a voltage signal to the metal body; the resistance detection module detects the resistance value of the metal body and inputs the resistance value into the controller module; the positioning module is connected with the controller module; the control end of the alarm module is connected with the controller module; the wireless transmission module is connected with the controller module and is also connected with the remote alarm receiving center.
Furthermore, the high-voltage pulse generation module comprises a high-voltage pulse controller submodule, an alternating current pulse generation submodule, a direct current pulse output submodule and an electric field detection submodule; the control end of the alternating current pulse generation submodule is connected with the high-voltage pulse controller submodule, and the output end of the alternating current pulse generation submodule is connected with the input end of the direct current pulse output submodule; the output end of the direct current pulse output submodule is connected with one input end of the high-low voltage switching module; and the electric field detection submodule detects an electric field signal of the electronic fence and outputs the electric field signal to the high-voltage pulse controller submodule.
Furthermore, the electric field detection submodule comprises an induction antenna, an amplifying circuit, a filter circuit and a NOT gate circuit; the induction antenna induces an electric field signal of the electronic fence to obtain a corresponding voltage signal, and the voltage signal is input into the high-voltage pulse controller submodule through the amplifying circuit, the filter circuit and the NOT gate circuit.
Further, the low-voltage pulse generation module comprises a low-voltage pulse controller submodule, a CPLD timing submodule, a pulse analog switch submodule and a pulse processing submodule; the CPLD timing submodule is connected with the low-voltage pulse controller submodule, the input end of the CPLD timing submodule is connected with one output end of the pulse processing submodule, and the output end of the CPLD timing submodule is connected with the input end of the pulse analog switch submodule; one output end of the pulse analog switch submodule is connected with the other input end of the high-low voltage switching module, and the other output end of the pulse analog switch submodule is connected with the input end of the pulse processing submodule; and the other output end of the pulse processing submodule is connected with the low-voltage pulse controller submodule.
Further, the electronic fence is provided with at least 2 upright posts; the adjacent upright posts are provided with infrared detection modules, and the output ends of the infrared detection modules are connected with the controller module; the infrared detection module mainly comprises an infrared transmitter and an infrared receiver; on a group of adjacent upright posts, the infrared transmitter is arranged on one upright post, and the infrared receiver is arranged at the opposite position on the other upright post.
Furthermore, each upright post is provided with a universal insulator; the metal body between each stand changes the circuit trend through universal insulator.
Further, all set up rain-proof cap on every stand to set up the arrester on the top of one of them rain-proof cap.
Further, the wireless transmission module is a GPRS; and the controller module sends alarm information to a remote alarm receiving center through GPRS.
Compared with the prior art, the method has the following characteristics:
1. the high-voltage pulse generation module, the low-voltage pulse generation module and the high-voltage and low-voltage switching module are arranged, when the high-voltage pulse generation module is influenced by a working environment to break down, the high-voltage pulse generation module can be switched to the low-voltage pulse generation module, the low-voltage pulse generation module provides a low-voltage pulse signal for the electronic fence, and security detection is continuously executed, or when the low-voltage pulse generation module is influenced by the working environment to break down, the high-voltage pulse generation module provides a high-voltage pulse signal for the electronic fence, and security detection is continuously executed, so that the situation that the whole system cannot be normally used due to corrosion of a local circuit is avoided; when the controller module cannot receive the resistance value or the received resistance value is obviously abnormal, the on-site alarm can be implemented through the alarm module, and alarm information can be sent to the remote alarm receiving center through the wireless transmission module, so that maintenance personnel can process the information in time and maintain the stable operation of the system;
2. the infrared detection module is additionally arranged on the adjacent upright posts of the electronic fence, even if the high-voltage pulse generation module and the low-voltage pulse generation module cannot normally work due to the influence of the working environment, the infrared detection module can also finish detection work, when invasion occurs, the infrared receiver cannot receive infrared light emitted by the infrared emitter, the controller module can implement field alarm and remote alarm according to the detection information, although invasion cannot be prevented, invasion can still be detected and alarm can be implemented, and the stable operation of the system is guaranteed to a certain extent;
3. each upright post of the electronic fence is provided with a rain-proof cap, and one rain-proof cap is provided with a lightning arrester, so that the upright posts and the circuit system are protected, the circuit system is prevented from being corroded by rainwater, and the condition that the system performance is unstable or cannot run due to working environment factors is avoided.
Drawings
Fig. 1 is a block diagram illustrating the structural principle of the present invention.
Fig. 2 is a structural schematic block diagram of the high voltage pulse generation module.
Fig. 3 is a structural schematic block diagram of the low-voltage pulse generation module.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to these examples.
An electronic fence system comprises an electronic fence, a high-voltage pulse generation module, a low-voltage pulse generation module, a high-voltage and low-voltage switching module, a resistance detection module, a controller module, a positioning module, an alarm module, a wireless transmission module and a remote alarm receiving center; the output end of the high-voltage pulse generation module is connected with one input end of the high-voltage and low-voltage switching module, and an electric field signal of the electronic fence is input into the high-voltage pulse generation module; the output end of the low-voltage pulse generation module is connected with the other input end of the high-voltage and low-voltage switching module; the control end of the high-low voltage switching module is connected with the controller module; a metal body is arranged on the electronic fence, and the high-low voltage switching module outputs a voltage signal to the metal body; the resistance detection module detects the resistance value of the metal body and inputs the resistance value into the controller module; the positioning module is connected with the controller module; the control end of the alarm module is connected with the controller module; the wireless transmission module is connected with the controller module and is also connected with the remote alarm receiving center. The functional block diagram of the present invention is shown in fig. 1.
The electronic fence mainly comprises at least 2 upright posts and a metal body arranged around the upright posts. Each upright post is provided with a universal insulator; the metal body between each stand changes the circuit trend through universal insulator. The posts and the metal body are disposed around the protected area to form a tangible perimeter. The metal body may be an alloy wire, a stranded wire, stainless steel, or the like, and is not limited to a specific shape.
The high-voltage pulse generation module provides a high-voltage pulse signal for a metal body of the electronic fence, and the voltage amplitude can reach 5000V. The high-voltage pulse generation module comprises a high-voltage pulse controller submodule, an alternating current pulse generation submodule, a direct current pulse output submodule and an electric field detection submodule; the control end of the alternating current pulse generation submodule is connected with the high-voltage pulse controller submodule, and the output end of the alternating current pulse generation submodule is connected with the input end of the direct current pulse output submodule; the output end of the direct current pulse output submodule is connected with one input end of the high-low voltage switching module; and the electric field detection submodule detects an electric field signal of the electronic fence and outputs the electric field signal to the high-voltage pulse controller submodule. The structural schematic block diagram of the high-voltage pulse generation module is shown in fig. 2.
The alternating current pulse generation submodule generates an alternating current pulse signal under the control of the high-voltage pulse controller submodule and outputs the alternating current pulse signal to the direct current pulse output submodule. The direct current pulse output submodule converts the alternating current pulse signal into a high-voltage direct current pulse, outputs the high-voltage direct current pulse signal to the high-low voltage switching module, and finally provides the high-voltage direct current pulse signal for the metal body of the electronic fence. The electric field detection submodule detects an electric field signal of the metal body of the electronic fence, converts the electric field signal into a voltage signal and inputs the voltage signal into the high-voltage pulse controller submodule. The purpose of setting up electric field detection submodule piece is for satisfying the user demand of different metal bodies for need not to constitute the return circuit through the multiple-wire system and produce the detected signal, make the type of metal body nimble changeable, not confine to single type, be convenient for adapt to various topography and place, avoid appearing the security protection leak.
The electric field detection submodule comprises an induction antenna, an amplifying circuit, a filter circuit and a NOT gate circuit; the induction antenna induces an electric field signal of the electronic fence to obtain a corresponding voltage signal, and the voltage signal is input into the high-voltage pulse controller submodule through the amplifying circuit, the filter circuit and the NOT gate circuit. The induction antenna is close to the metal body of the electronic fence, the electric field change of the metal body of the electronic fence is detected, a corresponding voltage signal is output, the voltage signal is amplified by the amplifying circuit and then filtered by the filtering circuit, a level signal which can be identified and processed by the high-voltage pulse controller submodule is obtained after the filtering circuit is processed by the NOT gate circuit, and the level signal is input to the high-voltage pulse controller submodule.
The low-voltage pulse generation module provides a low-voltage pulse signal for a metal body of the electronic fence, and the voltage amplitude of the low-voltage pulse signal is lower than 5000V. The low-voltage pulse generation module comprises a low-voltage pulse controller submodule, a CPLD timing submodule, a pulse analog switch submodule and a pulse processing submodule; the CPLD timing submodule is connected with the low-voltage pulse controller submodule, the input end of the CPLD timing submodule is connected with one output end of the pulse processing submodule, and the output end of the CPLD timing submodule is connected with the input end of the pulse analog switch submodule; one output end of the pulse analog switch submodule is connected with the other input end of the high-low voltage switching module, and the other output end of the pulse analog switch submodule is connected with the input end of the pulse processing submodule; and the other output end of the pulse processing submodule is connected with the low-voltage pulse controller submodule. The structural schematic block diagram of the low-voltage pulse generation module is shown in fig. 3.
The CPLD timing submodule is controlled by the low-voltage pulse controller submodule and generates a pulse signal with adjustable pulse width under the control of the low-voltage pulse controller submodule. The pulse analog switch submodule is used for improving the amplitude of the CPLD timing submodule and avoiding the pulse signal from being submerged by noise in the long-distance transmission process, and the pulse analog switch submodule outputs the low-voltage pulse signal with the amplitude improved to the high-low voltage switching module so as to provide the low-voltage pulse signal for the metal body of the electronic fence. And the pulse processing submodule receives the output signal of the pulse analog switch submodule, processes the output signal and then respectively outputs the processed output signal to the CPLD timing submodule and the low-voltage pulse controller submodule. Because there is energy loss in the signal transmission process, and there is interference in the transmission channel, the echo pulse will produce distortion, therefore, set up voltage comparator and voltage follower in the pulse processing submodule piece, preset a comparison level at the voltage comparator, after receiving the echo pulse, judge the signal that the peak value is higher than the comparison level as the effective echo signal, the voltage follower then follows the voltage to this effective echo signal, in order to guarantee that the low-voltage pulse controller submodule piece receives stable pulse voltage.
The high-low voltage switching module is provided with a manual switching switch and an automatic switching switch, and a user can switch high-low voltage pulse signals through the manual switching switch when a fault occurs and can also switch the high-low voltage pulse signals under the control of the controller module.
The resistance detection module is a resistance sensor, detects the resistance of the metal body, and inputs the detected resistance value into the controller module. When the intrusion behavior occurs, the resistance of the metal body changes, the resistance sensor detects the change of the resistance, and the detection value is input into the controller module. When the resistance is abnormal, the intrusion condition is indicated, the controller module can immediately control the alarm module to implement field alarm so as to warn an intruder, and can also immediately send alarm information to the remote alarm receiving center through the wireless transmission module, and staff of the remote alarm receiving center takes security measures.
The alarm module is an audible and visual alarm, when an intrusion behavior occurs, the audible and visual alarm performs audible and visual alarm under the control of the controller module, on one hand, the intrusion behavior is prevented from further proceeding, and on the other hand, nearby watchmen are reminded through the audible and visual alarm.
The wireless transmission module is GPRS, and the controller module sends alarm information to the remote alarm receiving center through GPRS. The GPRS is responsible for packing and encrypting the alarm information and transmitting the alarm information to the remote alarm receiving center, and the remote alarm receiving center is responsible for responding, storing and monitoring the detection information of the electronic fence. The GPRS supports wireless network alarm, has the advantages of high alarm response speed, low cost and capability of alarming in parallel, and is free from line occupation and congestion.
The positioning module is a GPS receiver which is used for receiving positioning information transmitted by a GPS positioning satellite in real time and inputting the positioning information into the controller module. When the positioning module is arranged to aim at intrusion behavior, the controller module can call the position signal of the intrusion prevention area from the positioning module so as to determine the specific position of the intrusion prevention area.
An infrared detection module is arranged on an adjacent upright post of the electronic fence, and the output end of the infrared detection module is connected with the controller module; the infrared detection module mainly comprises an infrared transmitter and an infrared receiver; on a group of adjacent upright posts, the infrared transmitter is arranged on one upright post, and the infrared receiver is arranged at the opposite position on the other upright post. When the system can not normally output high-voltage pulse signals or low-voltage pulse signals, the infrared detection module can carry out intrusion detection. When there is the invasion condition, the invader can block between infrared transmitter and infrared receiver, leads to infrared receiver can't receive the infrared light that infrared transmitter sent, alright detect out this moment and taken place the invasion condition, and controller module alright implement on-the-spot warning or remote alarm.
Further, all set up rain-proof cap on every stand to set up the arrester on the top of one of them rain-proof cap. Each upright post is provided with a rain-proof cap, so that the upright posts and the circuit structure related to the upright posts can be prevented from being eroded by rainwater. The lightning arrester is arranged at the top end of one of the rain-proof caps, so that when a lightning stroke phenomenon occurs nearby, lightning can be introduced from the upright post where the lightning arrester is located through the lightning arrester to be low, the lightning stroke is prevented from puncturing a circuit system, and the system is prevented from being broken down, so that the system cannot be used normally.
In the electricity field, relate to the complete technical scheme who detects and carry out, must include hardware architecture and software structure, the utility model discloses only provide hardware support for solving the problem that "lead to the unable normal use of system" because of local circuit is corroded that prior art exists, promptly, this technical scheme only makes the contribution of hardware part for solving this technical problem, the utility model discloses a protection domain is only hardware architecture, does not relate to computer program, consequently, the utility model discloses do not relate to computer program's improvement, belong to the protection object of utility model.
Claims (8)
1. An electronic fence system, comprising an electronic fence, characterized in that:
the device also comprises a high-voltage pulse generation module, a low-voltage pulse generation module, a high-voltage and low-voltage switching module, a resistance detection module, a controller module, a positioning module, an alarm module, a wireless transmission module and a remote alarm receiving center;
the output end of the high-voltage pulse generation module is connected with one input end of the high-voltage and low-voltage switching module, and an electric field signal of the electronic fence is input into the high-voltage pulse generation module; the output end of the low-voltage pulse generation module is connected with the other input end of the high-voltage and low-voltage switching module; the control end of the high-low voltage switching module is connected with the controller module; a metal body is arranged on the electronic fence, and the high-low voltage switching module outputs a voltage signal to the metal body; the resistance detection module detects the resistance value of the metal body and inputs the resistance value into the controller module; the positioning module is connected with the controller module; the control end of the alarm module is connected with the controller module; the wireless transmission module is connected with the controller module and is also connected with the remote alarm receiving center.
2. An electronic fence system as defined in claim 1 wherein:
the high-voltage pulse generation module comprises a high-voltage pulse controller submodule, an alternating current pulse generation submodule, a direct current pulse output submodule and an electric field detection submodule; the control end of the alternating current pulse generation submodule is connected with the high-voltage pulse controller submodule, and the output end of the alternating current pulse generation submodule is connected with the input end of the direct current pulse output submodule; the output end of the direct current pulse output submodule is connected with one input end of the high-low voltage switching module; and the electric field detection submodule detects an electric field signal of the electronic fence and outputs the electric field signal to the high-voltage pulse controller submodule.
3. An electronic fence system as defined in claim 2 wherein:
the electric field detection submodule comprises an induction antenna, an amplifying circuit, a filter circuit and a NOT gate circuit;
the induction antenna induces an electric field signal of the electronic fence to obtain a corresponding voltage signal, and the voltage signal is input into the high-voltage pulse controller submodule through the amplifying circuit, the filter circuit and the NOT gate circuit.
4. An electronic fence system as defined in claim 1 wherein:
the low-voltage pulse generation module comprises a low-voltage pulse controller submodule, a CPLD timing submodule, a pulse analog switch submodule and a pulse processing submodule;
the CPLD timing submodule is connected with the low-voltage pulse controller submodule, the input end of the CPLD timing submodule is connected with one output end of the pulse processing submodule, and the output end of the CPLD timing submodule is connected with the input end of the pulse analog switch submodule; one output end of the pulse analog switch submodule is connected with the other input end of the high-low voltage switching module, and the other output end of the pulse analog switch submodule is connected with the input end of the pulse processing submodule; and the other output end of the pulse processing submodule is connected with the low-voltage pulse controller submodule.
5. An electronic fence system as defined in claim 1 wherein:
the electronic fence is provided with at least 2 upright posts; the adjacent upright posts are provided with infrared detection modules, and the output ends of the infrared detection modules are connected with the controller module; the infrared detection module mainly comprises an infrared transmitter and an infrared receiver; on a group of adjacent upright posts, the infrared transmitter is arranged on one upright post, and the infrared receiver is arranged at the opposite position on the other upright post.
6. An electronic fence system as defined in claim 5 wherein:
each upright post is provided with a universal insulator; the metal body between each stand changes the circuit trend through universal insulator.
7. An electronic fence system as defined in claim 5 wherein: rain caps are arranged on each upright post, and a lightning arrester is arranged at the top end of one rain cap.
8. An electronic fence system as defined in claim 1 wherein:
the wireless transmission module is GPRS; and the controller module sends alarm information to a remote alarm receiving center through GPRS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337349.1U CN212460796U (en) | 2020-07-09 | 2020-07-09 | Electronic fence system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337349.1U CN212460796U (en) | 2020-07-09 | 2020-07-09 | Electronic fence system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212460796U true CN212460796U (en) | 2021-02-02 |
Family
ID=74490377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021337349.1U Expired - Fee Related CN212460796U (en) | 2020-07-09 | 2020-07-09 | Electronic fence system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212460796U (en) |
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2020
- 2020-07-09 CN CN202021337349.1U patent/CN212460796U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 Termination date: 20210709 |