CN220271981U - Cable wire anti-theft device - Google Patents
Cable wire anti-theft device Download PDFInfo
- Publication number
- CN220271981U CN220271981U CN202321544425.XU CN202321544425U CN220271981U CN 220271981 U CN220271981 U CN 220271981U CN 202321544425 U CN202321544425 U CN 202321544425U CN 220271981 U CN220271981 U CN 220271981U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 94
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to the field of anti-theft equipment, in particular to a cable wire anti-theft device, which comprises a box body, wherein a wiring assembly connected with a cable to be detected, a power supply assembly for supplying power to the wiring assembly, a monitoring assembly connected with the wiring assembly and an alarm assembly connected with the monitoring assembly in a communication way are arranged in the box body; the monitoring component is connected in series between the wiring component and the power supply component to form a monitoring loop; the signal input end of the alarm component is connected with the signal output end of the monitoring component; and when the current or voltage in the monitoring loop exceeds a threshold value, the monitoring component sends a starting instruction to the alarm component. The present application has the effect of reducing the risk of cable theft.
Description
Technical Field
The application relates to the field of anti-theft equipment, in particular to a cable wire anti-theft device.
Background
In the construction process, cables are laid in advance for power supply, including construction cable laying and building cable laying; the cable laying is generally carried out in two modes, namely direct-buried laying and pipeline laying; the two laying modes are to embed the cable into the ground or the building body, so that the subsequent construction is not affected.
The cable is a target for stealing molecules because of containing copper alloy with higher selling value, and the cable is buried underground or in a building body in the process of laying the cable; in this regard, a constructor typically arranges a person to watch the construction site or installs monitoring cameras at a plurality of places of the construction site to monitor the construction site, thereby reducing the risk of cable theft.
However, since the cable is laid in the whole construction site, the monitoring camera cannot completely cover the whole construction site, and a guardian is easy to have a case of a guardian error; thus, cable theft at the construction site still occurs.
Disclosure of Invention
In order to improve the supervision degree of building site supervisor to laying the cable to this reduces the stolen risk of cable and electric wire, this application provides a cable electric wire anti-theft device.
The application provides a cable wire anti-theft device adopts following technical scheme:
an anti-theft device for cable and wire comprises a box body,
the box body is internally provided with a wiring assembly connected with a cable to be detected, a power supply assembly for supplying power to the wiring assembly, a monitoring assembly connected with the wiring assembly and an alarm assembly connected with the monitoring assembly in a communication way;
the monitoring component is connected in series between the wiring component and the power supply component to form a monitoring loop; the signal input end of the alarm component is connected with the signal output end of the monitoring component;
and when the current or voltage in the monitoring loop exceeds a threshold value, the monitoring component sends a starting instruction to the alarm component.
By adopting the technical scheme, the cable is connected into the wiring assembly at the construction site to form an electrified monitoring loop, and then the current condition in the monitoring loop is monitored in real time by the monitoring assembly; if theft exists, when an illegal user cuts off the cable, the monitoring loop is in an open state, namely when the monitoring component monitors that the current in the monitoring loop is abnormally changed to exceed a threshold value, the monitoring component sends a starting instruction to the alarm component, and the alarm component starts to alarm according to the starting instruction, so that the real-time monitoring of the cable is realized, the monitoring force of a site supervisor on the cable laying is improved, and the risk of cable and wire theft is reduced.
Optionally, the monitoring component includes a monitoring end and a plurality of ampere meters connected to the monitoring end, the plurality of ampere meters are connected in series in the monitoring loop, and the monitoring end is used for obtaining the current changes of the plurality of ampere meters; the signal output end of the monitoring end is used as the signal output end of the monitoring assembly and is connected with the signal input end of the alarm assembly.
By adopting the technical scheme, the monitoring of the real-time current condition in the monitoring loop is realized by installing the ammeter, so that the monitoring end can compare the current data fed back by the ammeter in real time, and when the monitoring loop is in an open state, namely the current in the monitoring loop is abnormally changed to exceed a threshold value, the monitoring end sends a starting instruction to the alarm assembly, and the alarm assembly starts to alarm according to the starting instruction.
Optionally, the wiring assembly includes a plurality of wiring terminals and a plurality of small wires, and the plurality of wiring terminals and the plurality of small wires are connected one to one;
the plurality of ampere meters are connected to one end, away from the small wire, of the connecting terminal in a one-to-one manner, one end, away from the connecting terminal, of the small wire is connected to the head ends of the plurality of cables to be detected in a one-to-one manner, and the tail ends of the plurality of cables to be detected are respectively short-circuited;
the ammeter is connected in series between the power supply assembly and the wiring terminal.
By adopting the technical scheme, the connection between the external cable and the ammeter is realized, so that the real-time current condition in the monitoring loop is formed.
Optionally, the monitoring end comprises a comparator, an input loop SK1 of a relay connected to the output end of the comparator and an output loop SK1-1 of a normally-open relay;
the first input end of the comparator is connected to the ammeter, and the second input end of the comparator is connected with an analog current output module capable of adjusting the current threshold;
the signal input end of the alarm component, the output loop SK1-1 of the relay and the power output end of the power supply component are sequentially connected in series to form an alarm loop.
By adopting the technical scheme, when the current of the first input loop of the comparator is smaller than the current of the second input loop of the comparator, the output loop of the comparator sends a high level to the input loop SK1 of the relay; the output loop SK1-1 of the relay is closed, so that the power on of the alarm loop is realized, and the alarm assembly starts to operate.
Optionally, a plurality of wiring holes that set up side by side have been seted up to box body one side, the one end of tiny line is passed the wiring hole is connected with the head end of cable.
By adopting the technical scheme, the wiring holes are arranged for the small wires to pass through the box body, so that the friction loss between the small wires in use and the whole box body is reduced, and the use time limit of the small wires is prolonged.
Optionally, a waterproof table is arranged at the bottom side inside the box body, and the wiring assembly, the power supply assembly, the monitoring assembly and the alarm assembly are all installed on the waterproof table; one side of the waterproof table far away from the bottom of the box body and the axis of the wiring hole are in the same horizontal plane.
By adopting the technical scheme, because the air moisture is larger at night in the construction site, the air moisture is easy to gather in the box body, and most of the moisture is conveniently drained through the gap between the waterproof table and the inner wall of the box body, so that the moisture gathered in the box body and the hardware equipment are prevented from being soaked for a long time, and the safety of the hardware equipment in the use process is improved.
Optionally, a plurality of heat dissipation holes are formed in the bottom peripheral wall of the box body; the plurality of heat dissipation holes are arranged around the waterproof table.
By adopting the technical scheme, the hardware equipment can generate heat during operation, and the heat dissipation holes are arranged to facilitate the volatilization of the heat generated by the operation of the hardware equipment, so that the normal operation of the hardware equipment is maintained.
Optionally, a box cover is hinged to one side of the box body, and the box cover is used for closing the opening.
Through adopting above-mentioned technical scheme, be provided with the lid on the box body, reduce substances such as outside moisture and dust impurity and directly get into the box body from the box body top in, and then influence wiring assembly, power supply assembly, monitoring module and alarm module's normal operating.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the monitoring end monitors that the current in the closed loop is abnormally changed, the monitoring end immediately sends an alarm instruction to the alarm assembly, the alarm assembly alarms, real-time monitoring of cables is achieved, monitoring force of site monitoring personnel on the cables is improved, and accordingly risks of cable and wire theft are reduced.
Drawings
FIG. 1 is a schematic view of the internal structure of the cable wire anti-theft device of the present application;
FIG. 2 is a schematic view of the overall structure of the cable wire anti-theft device of the present application;
fig. 3 is a schematic circuit diagram of the cable wire anti-theft device of the present application.
Reference numerals illustrate: 1. a case body; 11. a cavity; 12. an opening; 13. a box cover; 14. a locking member; 141. an elastic lock catch; 142. a bolt; 15. a wiring hole; 16. a heat radiation hole; 2. a waterproof table; 3. a power supply assembly; 4. a wiring assembly; 41. a connection terminal; 42. a small line; 5. a monitoring component; 51. a monitoring end; 511. a comparator; 52. an ammeter; 6. an alarm assembly; 61. a control switch; 62. a buzzer; 7. monitoring a loop; 8. and an alarm loop.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1-3.
The embodiment of the application discloses a cable wire anti-theft device.
Referring to fig. 1 and 2, a cable wire anti-theft device includes a case 1 having a cavity 11 therein, a waterproof stand 2 protruding from an inner bottom of the cavity 11, and a power supply assembly 3, a wiring assembly 4, a monitoring assembly 5, and an alarm assembly 6 mounted on the waterproof stand 2; the cavity 11 penetrates through the top of the box body 1 to form an opening 12, a box cover 13 for closing the opening 12 is hinged to the side wall of the top of the box body 1, and a locking piece 14 is arranged on the outer wall of the top of the box body 1 in order to realize tightness between the box cover 13 and the box body 1.
Referring to fig. 1 and 3, the wiring assembly 4 is used for connecting a cable to be detected, the wiring assembly 4 is connected with the cable and then connected with the power supply assembly 3, and the monitoring assembly 5 is connected in series between the wiring assembly 4 and the power supply assembly 3, so that a monitoring loop 7 is formed; meanwhile, the power supply assembly 3 can also supply power for the alarm assembly 6, an alarm loop 8 is formed between the alarm assembly 6 and the power supply assembly 3, and the signal output end of the monitoring assembly 5 is connected in series in the alarm loop 8 and used for controlling the on-off of the alarm loop 8.
When an open circuit (i.e. a cable is cut off) condition occurs in the monitoring loop 7, the current/voltage in the monitoring loop 7 changes, the monitoring component 5 monitors the change and then sends a starting instruction to the alarm component 6 through the signal output end of the monitoring component, and the alarm component 6 sends alarm information so that monitoring personnel can check the cable on site in time according to the alarm information.
Referring to fig. 1 and 2, the locking member 14 is bolted to the side of the case 1 remote from the hinge side thereof; in this embodiment, the locking element 14 includes an elastic latch 141 mounted on the lid 13 and a latch 142 mounted on the top outer wall of the case 1, where the elastic latch 141 can be locked by matching with the latch 142; in other embodiments, the locking element 14 may be a mortise lock, a fingerprint lock, a coded lock, or the like, and the locking element 14 is used to seal the box body 1, so as to reduce the possibility of opening the box body 1 by false touch, and also maintain the tightness of the cavity 11 to a certain extent, thereby reducing the possibility of external dust and impurities entering the cavity 11.
Referring to fig. 1 and 3, further, the monitoring assembly 5 includes a monitoring end 51 and a plurality of ampere meters 52, wherein signal output ends of the ampere meters 52 are connected to signal input ends of the monitoring end 51; the ampere meters 52 are respectively connected in series in the monitoring loops 7, the monitoring end 51 is used for acquiring the current changes of the ampere meters 52, and the signal output end of the monitoring end 51 is in communication connection with the control end of the alarm assembly 6; when the corresponding ammeter 52 monitors that the current in the monitoring loop 7 is lower than the threshold value, the monitoring end 51 sends an alarm instruction to the alarm assembly 6, and the alarm assembly 6 alarms, so that real-time monitoring of the cable is realized.
The monitoring end 51 comprises a comparator 511, an NPN triode Q1 connected to the output end of the comparator 511, an input loop SK1 of a relay connected to the emitter of the NPN triode Q1 and an output loop SK1-1 of a normally open relay; the first input end of the comparator 511 is connected to the ammeter 52, and the second input end is connected to an analog current output module capable of adjusting the current threshold value, and is used for comparing the magnitude of the current values of the ammeter 52 and the analog current output module;
the signal input end of the alarm component 6, the output loop SK1-1 of the relay and the power output end of the power supply component 3 are sequentially connected in series to form an alarm loop 8.
Further, the alarm assembly 6 comprises a control switch 61 and a buzzer 62 connected to the output end of the control switch 61; in the present application, the control switch 61 may be a single-chip microcomputer, or an NPN triode Q2; wherein the base electrode of NPN triode Q2 is connected in alarm loop 8, the collector electrode is connected to power supply assembly 3, and the emitter is connected to buzzer 62; a delay capacitor C1 is also connected in series in the alarm loop 8; the other end of the delay capacitor C1 is grounded, the delay capacitor C1 adopts a nonpolar capacitor, and the false touch of the alarm component 6 can be prevented.
When the current of the first input end of the comparator 511 is smaller than the current of the second input end of the comparator 511, the output end of the comparator 511 sends a high level to the NPN triode Q1, the NPN triode Q1 breaks down, and the input loop SK1 of the relay is forced to be electrified; with the output loop SK1-1 of the relay is closed, so that the delay capacitor C1 is charged by the power-on of the alarm loop 8, when the delay capacitor C1 is fully charged, the base electrode of the NPN triode Q1 breaks down at a high level, and the buzzer 62 starts to operate after being electrified.
The wiring assembly 4 includes a plurality of wiring terminals 41 and a plurality of small wires 42, and the plurality of wiring terminals 41 are connected in series with the plurality of small wires 42 in one-to-one correspondence. One side of the box body 1, which is close to the locking element 14, is penetrated and provided with a plurality of wiring holes 15 which are arranged side by side along the horizontal direction, and the wiring holes 15 can be used for a plurality of small wires 42 to pass through one by one.
One end of each small wire 42 passes through the corresponding wiring hole 15 to be connected with the head end of the cable, and the tail end of each cable is short-circuited; the ammeter 52 is connected in series between the power supply assembly 3 and the wiring terminal 41; the plurality of ammeter 52, the plurality of connection terminals 41, the plurality of small wires 42, and the plurality of cables are connected to each other, respectively, to thereby form the plurality of monitoring circuits 7.
A plurality of heat dissipation holes 16 are formed in the bottom peripheral wall of the box body 1; a plurality of heat dissipation holes 16 are provided around the waterproof stage 2 so as to facilitate the outward discharge of heat in the case 1; one side of the waterproof table 2 far away from the bottom of the box body 1 is positioned in the same horizontal plane with the axis of the wiring hole 15; because the air moisture is great at construction site night, the air moisture is easy to gather in the box body 1, and most of the moisture is conveniently drained through the gap between the waterproof table 2 and the inner wall of the box body 1, so that the moisture gathered in the box body 1 and the hardware equipment are prevented from being soaked for a long time, and the safety of the hardware equipment in the use process is improved.
In the embodiment of the application, the power supply assembly 3 is a storage battery; in other embodiments, the power supply assembly 3 may also be a battery or a battery case; the power output end of the storage battery is respectively connected in the monitoring loop 7 and the alarm loop 8.
The implementation principle of the cable anti-theft component in the embodiment of the application is as follows: the current condition in the monitoring loop 7 is monitored in real time by the monitoring component 5; if theft occurs, when an illegal user cuts off the cable, the monitoring loop 7 is in an open state, namely when the monitoring component 5 monitors that the current in the monitoring loop 7 is abnormally changed to exceed a threshold value, the monitoring component 5 sends a starting instruction to the alarm component 6, and the alarm component 6 starts to alarm according to the starting instruction, so that the real-time monitoring of the cable is realized, the monitoring force of a site supervisor on the cable laying is improved, and the risk of cable and wire theft is reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a cable wire anti-theft device, includes box body (1), its characterized in that:
a wiring assembly (4) connected with a cable to be detected, a power supply assembly (3) for supplying power to the wiring assembly (4), a monitoring assembly (5) connected with the wiring assembly (4) and an alarm assembly (6) in communication connection with the monitoring assembly (5) are arranged in the box body (1);
the monitoring component (5) is connected in series between the wiring component (4) and the power supply component (3) to form a monitoring loop (7); the signal input end of the alarm component (6) is connected with the signal output end of the monitoring component (5);
when the current or voltage in the monitoring loop (7) exceeds a threshold value, the monitoring component (5) sends a starting instruction to the alarm component (6).
2. The cable wire theft protection installation according to claim 1, characterized in that:
the monitoring assembly (5) comprises a monitoring end (51) and a plurality of ampere meters (52), the ampere meters (52) are connected to the monitoring end (51), and the monitoring end (51) is used for acquiring current changes of the ampere meters (52); the signal output end of the monitoring end (51) is used as the signal output end of the monitoring component (5) and is connected with the signal input end of the alarm component (6).
3. The cable wire theft protection installation according to claim 2, characterized in that: the wiring assembly (4) comprises a plurality of wiring terminals (41) and a plurality of small wires (42), wherein the wiring terminals (41) and the small wires (42) are connected one to one;
the ampere meters (52) are connected to one end, away from the small wire (42), of the connecting terminal (41), one end, away from the connecting terminal (41), of the small wire (42) is connected to the head ends of the plurality of cables to be detected in a one-to-one mode, and the tail ends of the plurality of cables to be detected are respectively short-circuited;
the ammeter (52) is connected in series between the power supply assembly (3) and the wiring terminal (41).
4. The cable wire theft protection installation according to claim 2, characterized in that:
the monitoring end (51) comprises a comparator (511), an input loop SK1 of a relay connected to the output end of the comparator (511) and an output loop SK1-1 of a normally-open relay;
the first input end of the comparator (511) is connected to the ammeter (52), and the second input end is connected to an analog current output module capable of adjusting the current threshold;
the signal input end of the alarm component (6), the output loop SK1-1 of the relay and the power output end of the power supply component (3) are sequentially connected in series to form an alarm loop (8).
5. A cable wire theft protection device according to claim 3, characterized in that: a plurality of wiring holes (15) which are arranged side by side are formed in one side of the box body (1), and one end of the small wire (42) penetrates through the wiring holes (15) to be connected with the head end of the cable.
6. The cable wire theft protection installation according to claim 5, characterized in that: the waterproof box is characterized in that a waterproof table (2) is arranged at the bottom side inside the box body (1), and the wiring assembly (4), the power supply assembly (3), the monitoring assembly (5) and the alarm assembly (6) are all arranged on the waterproof table (2); one side of the waterproof table (2) away from the bottom of the box body (1) and the axis of the wiring hole (15) are in the same horizontal plane.
7. The cable wire theft protection installation according to claim 6, characterized in that: a plurality of heat dissipation holes (16) are formed in the peripheral wall of the bottom of the box body (1); the plurality of heat dissipation holes (16) are arranged around the waterproof table (2).
8. The cable wire theft protection installation according to claim 1, characterized in that: the top side wall of the box body (1) is hinged with a box cover (13), and the box cover (13) is used for closing an opening (12) of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321544425.XU CN220271981U (en) | 2023-06-16 | 2023-06-16 | Cable wire anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321544425.XU CN220271981U (en) | 2023-06-16 | 2023-06-16 | Cable wire anti-theft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271981U true CN220271981U (en) | 2023-12-29 |
Family
ID=89311458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321544425.XU Active CN220271981U (en) | 2023-06-16 | 2023-06-16 | Cable wire anti-theft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271981U (en) |
-
2023
- 2023-06-16 CN CN202321544425.XU patent/CN220271981U/en active Active
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