CN214896848U - Cable anti-theft alarm system - Google Patents

Abstract

The utility model relates to an electric power system field especially relates to a cable burglar alarm system. The system comprises: cable end transmitter and cable front end receiver, cable end transmitter is connected with cable front end receiver electricity, and cable end transmitter includes: first main control chip, power module and first clock module, first main control chip links to each other with power module and first clock module, and cable front end receiver includes: the current transformer is connected with the second main control chip through the Schmidt trigger, and the second main control chip is further connected with the communication module, the relay and the second clock module. The utility model discloses can reach the action of the illegal molecule of containment part through improper means intercepting signal cable and selling the profit again, can also save the purpose of a large amount of manpower, material resources.

Description

Cable anti-theft alarm system

Technical Field

The utility model relates to an electric power system field especially relates to a cable burglar alarm system.

Background

Many cables will be drawn forth from one in the construction to signal cable, and cable length often is in 1 ~ 4km within range, because railway signal cable lays along the line, and railway line is generally in the area that the people is rare in suburb, so a large amount of unmanned sections of guarding can appear often, the cable has stolen risk, the while still has the problem that the cable can't discover the very first time after stolen, can produce great influence to subsequent construction, and anti-theft detection or anti-theft alarm device among the prior art require highly to measuring environment and condition, it is too hard consuming time through the area of artifical detection suburb or people's rare in the prior art simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a cable theftproof alarm system is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a cable burglar alarm system comprising: a cable end transmitter and a cable front receiver, the cable end transmitter electrically connected with the cable front receiver, the cable end transmitter comprising: the cable front-end receiver comprises a first main control chip, a power supply module and a first clock module, wherein the first main control chip is connected with the power supply module and the first clock module, and the cable front-end receiver comprises: the current transformer is connected with the second main control chip through the Schmitt trigger, and the second main control chip is further connected with the communication module, the relay and the second clock module.

The utility model has the advantages that: make through power module the utility model discloses need not to add the electrical power unit of any form and can directly get the electricity from the front end host computer, the end sends pulse signal and gives the front end, whether the front end is complete through having or not to judge the cable through pulse signal, the principle is simple, effective measuring distance is far away, can satisfy railway signal cable's theftproof demand, the suitability has been improved, protect the signal cable of laying the completion, the control, can not only restrain the action of partly lawless persons selling the profit again through improper means intercepting signal cable, can also save a large amount of manpowers, material resources.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the cable end transmitter further comprises: and the first information storage device is connected with the first main control chip.

Further, the cable front end receiver further includes: and the matrix keyboard is connected with the second main control chip.

Further, the cable front end receiver further includes: and the second information storage device is connected with the second main control chip.

Further, the cable front end receiver further includes: and the sound and light alarm module is connected with the second main control chip.

Further, the cable front end receiver further includes: and the positioning module is connected with the second main control chip.

Further, the type of the second main control chip is as follows: STM32 chip.

Further, the model of the first main control chip is: STC51 chip.

Further, the power module specifically includes: LM2576-3.3 voltage-stabilizing chip.

Further, the first information storage device is specifically: the AT24C02 memory chip.

Drawings

Fig. 1 is a schematic structural view of the cable burglar alarm system of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the cable anti-theft alarm system comprises cable anti-theft alarm systems 1 and 11, a front-end receiver 12, a tail-end transmitter 111, a current transformer 112, a Schmitt trigger 113, a second main control chip 114, a communication module 115, a relay 116, a second clock module 121, a first clock module 122, a first main control chip 123 and a power supply module.

Detailed Description

The principles and features of the present invention are described below, with the examples being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention.

As shown in fig. 1, a cable burglar alarm system 1 includes: a cable end transmitter 12 and a cable front end receiver 11, the cable end transmitter 12 being electrically connected to the cable front end receiver 11, the cable end transmitter 12 comprising: the first main control chip 122, the power module 123 and the first clock module 121, the first main control chip 122 is connected to the power module 123 and the first clock module 121, and the cable front end receiver 11 includes: the current transformer 111 is connected with the second main control chip 113 through the schmitt trigger 112, and the second main control chip 113 is further connected with the communication module 114, the relay 115 and the second clock module 116.

In some possible embodiments, make through power module 123 the utility model discloses need not to add the electrical power unit of any form and can directly get the electricity from front end receiver 11, end transmission pulse signal gives front end receiver 11, whether front end receiver 11 judges the cable completely through having or not of pulse signal, the principle is simple, effective measuring distance is far away, can satisfy railway signal cable's theftproof demand, the suitability has been improved, protect the signal cable of having laid the completion, monitor, can not only restrain the action of partly lawless persons through improper means intercepting signal cable and selling the profit again, can also save a large amount of manpowers, material resources.

Note that, the end transmitter 12 portion: the main functions are that a pulse signal is sent to the front-end receiver 11 every 10 seconds after power is received, the first main control chip 122 AT the tail end adopts a high-cost-performance STC51 series chip, the power supply module 123 adopts an LM2576-3.3 voltage-stabilizing chip to generate 3.3V voltage for the single chip microcomputer and other circuits to work, AT24C02 is selected as first information storage equipment, the DS1302 is selected as a first clock module 121 chip, and the pulse signal sending circuit and the current increasing circuit mainly comprise a mos tube SVD10N60T and peripheral circuits. The end transmitter 12 in the normal operating state sends a pulse signal every ten seconds after receiving power, and transmits the pulse signal to the front receiver 11 through a signal cable connected to the front receiver 11.

Front-end receiver 11 portion: the output control of the ac signal is realized and the power supply system of the end transmitter 12 is supplied by the connected power line, converted to the required power supply through the linear transformer. As a control power source for the cable end transmitter 12; an internal power supply module of the receiver adopts a 12V switching power supply to ensure the normal work of front-end equipment; the system can realize the routing inspection of multi-path signals and freely set cable lines for routing inspection; the communication module 114 can realize remote alarm when the pulse signal is lost and trigger the alarm signal, and can master the stolen information of the cable in real time; in addition, the utility model can be also provided with an infrared sensor connected with an acousto-optic alarm module, when people invade, the front receiver 11 can be triggered in time, takes STM32 as a main control chip, mainly acts on generating 50V alternating current signals, and sequentially switches on the routing inspection paths through the switching of the relay 115; the current transformer 111 transmits the collected current signals to the Schmidt trigger 112 for filtering and transmitting the current signals to the STM32 for processing, the STM32 judges the integrity of the cable according to the received signals, and when the alarm signals are triggered when the cable is found to be incomplete, the communication module 114 sends alarm short messages and remote alarm signals to protection personnel in an alarm telephone mode. The 5V and 3.3V working voltages required by the front-end receiver 11 are respectively provided by LM2576-5 and LM2576-3.3 voltage-stabilizing chips, the DS1302 is still selected by the chip of the second clock module 116, keys are set to be a matrix keyboard, operations such as an inspection channel and the like are convenient to select, the AT24C02 is adopted by the second information storage module, the communication module 114 performs data transmission with the STM32 single chip microcomputer through a serial port and can also realize telephone and short message alarming, security personnel can receive alarm information in a mobile phone in time, and an acousto-optic alarm module and a GPS positioning module are added to prompt protection personnel to ensure equipment and cable safety. Because the STM32 singlechip which takes Cortex-M3 as an inner core is adopted, necessary peripheral circuits such as a serial port circuit and the like are also designed, and in order to reduce false alarm and false negative alarm, a necessary redundancy means is adopted, namely, the delay 30S alarms according to the signal receiving condition, so that the false alarm can be reduced to a certain extent.

Preferably, in any of the above embodiments, the cable end transmitter 12 further comprises: and a first information storage device connected to the first main control chip 122.

Preferably, in any of the above embodiments, the cable front end receiver 11 further comprises: and the matrix keyboard is connected with the second main control chip 113.

Preferably, in any of the above embodiments, the cable front end receiver 11 further comprises: and a second information storage device connected to the second main control chip 113.

Preferably, in any of the above embodiments, the cable front end receiver 11 further comprises: and the sound and light alarm module is connected with the second main control chip 113.

Preferably, in any of the above embodiments, the cable front end receiver 11 further comprises: and the positioning module is connected with the second main control chip 113.

Preferably, in any of the above embodiments, the model of the second main control chip 113 is: STM32 chip.

Preferably, in any of the above embodiments, the model of the first main control chip 122 is: STC51 chip.

Preferably, in any of the above embodiments, the power module 123 is specifically: LM2576-3.3 voltage-stabilizing chip.

Preferably, in any of the above embodiments, the first information storage device is specifically: the AT24C02 memory chip.

The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described method embodiments are merely illustrative, and for example, the division of steps into only one logical functional division may be implemented in practice in another way, for example, multiple steps may be combined or integrated into another step, or some features may be omitted, or not implemented.

The above method, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A cable burglar alarm system, comprising: a cable end transmitter and a cable front receiver, the cable end transmitter electrically connected with the cable front receiver, the cable end transmitter comprising: the cable front-end receiver comprises a first main control chip, a power supply module and a first clock module, wherein the first main control chip is connected with the power supply module and the first clock module, and the cable front-end receiver comprises: the current transformer is connected with the second main control chip through the Schmitt trigger, and the second main control chip is further connected with the communication module, the relay and the second clock module.

2. A cable burglar alarm system according to claim 1, wherein said cable end transmitter further comprises: and the first information storage device is connected with the first main control chip.

3. A cable burglar alarm system according to claim 1, wherein said cable front end receiver further comprises: and the matrix keyboard is connected with the second main control chip.

4. A cable burglar alarm system according to claim 1, wherein said cable front end receiver further comprises: and the second information storage device is connected with the second main control chip.

5. A cable burglar alarm system according to claim 1, wherein said cable front end receiver further comprises: and the sound and light alarm module is connected with the second main control chip.

6. A cable burglar alarm system according to claim 1, wherein said cable front end receiver further comprises: and the positioning module is connected with the second main control chip.

7. The cable burglar alarm system according to any one of claims 1 to 6, wherein the type of said second main control chip is: STM32 chip.

8. The cable burglar alarm system according to any one of claims 1 to 6, wherein the type of said first main control chip is: STC51 chip.

9. The cable burglar alarm system according to any of claims 1 to 6, wherein said power supply module is specifically: LM2576-3.3 voltage-stabilizing chip.

10. A cable alarm system according to any one of claims 1 to 6, wherein the first information storage device is embodied as: the AT24C02 memory chip.

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