CN205942961U - Prevent that cable robber cuts alarm control device - Google Patents
Prevent that cable robber cuts alarm control device Download PDFInfo
- Publication number
- CN205942961U CN205942961U CN201620911596.5U CN201620911596U CN205942961U CN 205942961 U CN205942961 U CN 205942961U CN 201620911596 U CN201620911596 U CN 201620911596U CN 205942961 U CN205942961 U CN 205942961U
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- module
- alternating current
- cable
- direct current
- detection module
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Abstract
The utility model discloses a prevent that cable robber cuts alarm control device, including host system, power supply processing module, interface circuit module and at least one cable antitheft detection module, host system connects power supply processing module, interface circuit module and cable antitheft detection module respectively, power supply processing module supplies power to each module, the state that cable antitheft detection pair of module was monitored the cable detects to send host system with the testing result, host system carries out the information interaction through interface circuit module and other equipment. The utility model discloses a detection is cut in the theftproof that prevent that cable robber cuts alarm control device can effectively accomplish when being added the alternating current and not adding the alternating current by the control cable to can feed the direct current to it when being added the alternating current by the control on the cable, single device can be accomplished a plurality ofly by the detections of control cable simultaneously, has higher economic value.
Description
Technical field
This utility model is related to alarm control unit, and specifically a kind of anti-cable is stolen and cut alarm control unit.
Background technology
For preventing light conduits to be cut, occur in that anti-cable is stolen and cut warning system, this kind of warning system has generally been wrapped
Include anti-cable and steal and cut alarm control unit and anti-cable is stolen and cut the equipment such as warning end equipment, but existing anti-cable is stolen and cut report
Alert control device is directed to monitored cable and adds alternating current and do not add that individually designed during alternating current, circuit structure is complicated, hardware cost
High.
Utility model content
The purpose of this utility model is that providing a kind of anti-cable to steal cuts alarm control unit, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, this utility model provides following technical scheme：
A kind of anti-cable is stolen and is cut alarm control unit, prevents including main control module, power supply processing module and at least one cable
Steal detection module, described main control module connects power supply processing module and cable theft-prevention detection module respectively；Described power supply processes mould
Block is powered to modules；Described cable theft-prevention detection module detects to the state of monitored cable, and will detect
Result send main control module.
As preferred version of the present utility model：Described cable theft-prevention detection module includes direct current signal detection module, friendship
Direct current protecting module, alternating current-direct current handover module and alternating current signal detection module；Described direct current signal detection module completes to be monitored
Cable no alternating current when antitheft detection, and testing result is sent main control module, direct current signal detection module is protected with alternating current-direct current
Module connects；Described alternating current-direct current protection module burns out direct current signal detection mould when being prevented from monitored cable added with alternating current
Block, alternating current-direct current protection module connects alternating current-direct current handover module；Monitored cable is simultaneously connected with alternating current-direct current handover module and exchanges letter
Number detection module, described alternating current-direct current handover module carries out direct current signal detection module and the switching of alternating current signal detection module；Institute
Stating alternating current signal detection module and completing monitored cable has antitheft detection during alternating current, and testing result is sent main control module.
As preferred version of the present utility model：Described cable theft-prevention detection module includes direct current signal detection module, friendship
Direct current protecting module and alternating current signal detection module；Described direct current signal detection module complete monitored cable no alternating current when
Antitheft detection, and testing result is sent main control module, direct current signal detection module is connected with alternating current-direct current protection module；Described friendship is straight
Stream protection module burns out direct current signal detection module when being prevented from monitored cable added with alternating current；Monitored cable is simultaneously
Connect alternating current-direct current protection module and alternating current signal detection module, described alternating current signal detection module completes monitored cable exchange
Antitheft detection when electric, and testing result is sent main control module.
As preferred version of the present utility model：Described a kind of anti-cable robber cuts alarm control unit and also includes interface electricity
Road module, described interface module is connected with main control module, and main control module is carried out with miscellaneous equipment by interface module
Information exchange.
As preferred version of the present utility model：Described interface module is RS485 interface circuit.
As preferred version of the present utility model：Described alternating current-direct current protection module includes diode D1, diode D2, two poles
Pipe D3, diode D4, resistance R1 and reactor Y；The negative electrode of diode D1 is connected with the anode of diode D3, and junction point is designated as c
Point, the negative electrode of diode D3 is connected with the negative electrode of diode D4, and junction point is designated as a point, the anode of diode D4 and diode D2
Negative electrode connect, junction point is designated as d point, and the anode of diode D2 is connected with the anode of diode D1, and junction point is designated as b point；Electricity
One end of one end of anti-device Y and resistance R1 is connected to a point after connecting, and the of the other end of reactor Y and ac circuit cable
One end connects, and the other end of resistance R1 is connected with the second end of b point, ac circuit cable simultaneously；D point with by protection DC circuit
First end connect, c point with by protect DC circuit the second end be connected.
As preferred version of the present utility model：Described alternating current-direct current protection module also includes resistance R2, described resistance R2 position
Between a point and the connection end of resistance R1 and reactor Y, one end of resistance R2 is connected with a point, the other end and resistance R1 and electricity
The connection end of anti-device Y connects.
Compared with prior art, the beneficial effects of the utility model are：Anti- cable of the present utility model is stolen and is cut controlling alarm
Device can efficiently accomplish monitored cable and add on alternating current and the detection of the anti-theft plus during alternating current, and monitored cable
Not plus can be to its feeding DC during alternating current, single assembly can complete the detection of multiple monitored cables, circuit simultaneously
Structure is simple, hardware cost is low, has higher economic worth.
Brief description
Fig. 1 is that a kind of anti-cable robber cuts alarm control unit theory diagram.
Fig. 2 is the first cable theft-prevention detection module theory diagram.
Fig. 3 is second cable theft-prevention detection module theory diagram.
Fig. 4 is alternating current-direct current protection module circuit diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Fig. 1 is that a kind of anti-cable robber cuts alarm control unit theory diagram, and Fig. 2 is that the first cable theft-prevention detection module is former
Reason block diagram, Fig. 3 is second cable theft-prevention detection module theory diagram, and Fig. 4 is alternating current-direct current protection module circuit diagram, as schemed institute
Show：A kind of anti-cable of the present utility model is stolen and is cut alarm control unit, including main control module, power supply processing module and at least one
Cable theft-prevention detection module, described main control module connects power supply processing module and cable theft-prevention detection module respectively；Described power supply
Processing module is powered to modules；Described cable theft-prevention detection module detects to the state of monitored cable, and
Testing result is sent main control module.
Further, described cable theft-prevention detection module includes direct current signal detection module, alternating current-direct current protection module, alternating current-direct current
Handover module and alternating current signal detection module；Described direct current signal detection module complete monitored cable no alternating current when antitheft
Detection, and testing result is sent main control module, direct current signal detection module is connected with alternating current-direct current protection module；Described alternating current-direct current is protected
Shield module burns out direct current signal detection module when being prevented from monitored cable added with alternating current, and alternating current-direct current protection module connects
Alternating current-direct current handover module；Monitored cable is simultaneously connected with alternating current-direct current handover module and alternating current signal detection module, described alternating current-direct current
Handover module carries out direct current signal detection module and the switching of alternating current signal detection module；Described alternating current signal detection module completes
Monitored cable has antitheft detection during alternating current, and testing result is sent main control module.Complete monitored cable simultaneously and add friendship
Stream electricity and the anti-theft not added during alternating current detect, by alternating current-direct current protection module and alternating current-direct current handover module, direct current signal are examined
Survey module and carry out duplicate protection it is ensured that direct current signal detection module will not damage added with alternating voltage because of monitored cable.
Further, described cable theft-prevention detection module includes direct current signal detection module, alternating current-direct current protection module and exchanges
Signal detection module；Described direct current signal detection module complete monitored cable no alternating current when antitheft detection, and will detect
Result send main control module, and direct current signal detection module is connected with alternating current-direct current protection module；Described alternating current-direct current protection module can be prevented
Only on monitored cable added with alternating current when burn out direct current signal detection module；Monitored cable is simultaneously connected with alternating current-direct current protection mould
Block and alternating current signal detection module, described alternating current signal detection module completes monitored cable antitheft detection during alternating current,
And testing result is sent main control module.Complete that monitored cable adds alternating current and the anti-theft plus during alternating current detects simultaneously,
By alternating current-direct current protection module, direct current signal detection module is protected, circuit structure is simple.
Further, described a kind of anti-cable is stolen and is cut alarm control unit and also include interface module, described interface electricity
Road module is connected with main control module, and main control module carries out information exchange by interface module and miscellaneous equipment.By interface
Circuit module completes anti-cable and steals the communication cutting alarm control unit and miscellaneous equipment.
Further, described interface module is RS485 interface circuit.Have that circuit structure is simple, communication distance farther out
The features such as.
Further, described alternating current-direct current protection module includes diode D1, diode D2, diode D3, diode D4, resistance
R1 and reactor Y；The negative electrode of diode D1 is connected with the anode of diode D3, and junction point is designated as c point, the negative electrode of diode D3 with
The negative electrode of diode D4 connects, and junction point is designated as a point, and the anode of diode D4 is connected with the negative electrode of diode D2, and junction point is remembered
For d point, the anode of diode D2 is connected with the anode of diode D1, and junction point is designated as b point；One end of reactor Y and resistance R1
One end connect after be connected to a point, the other end of reactor Y is connected with the first end of ac circuit cable, and resistance R1's is another
One end is connected with the second end of b point, ac circuit cable simultaneously；D point with by protection DC circuit first end be connected, c point with
Connected by the second end of protection DC circuit.Alternating current-direct current protection module has circuit structure simply, simultaneously can be reliable and stable
The effect that direct current signal detection module is protected, burns out direct current signal when effectively preventing on monitored cable added with alternating current
Detection module.
Further, described alternating current-direct current protection module also includes resistance R2, and described resistance R2 is located at a point and resistance R1 and electricity
Between the connection end of anti-device Y, one end of resistance R2 is connected with a point, and the other end is connected with the connection end of resistance R1 and reactor Y.
Resistance R2, as current-limiting resistance, makes diode D1, diode D3, diode D4, diode D2 and diode D1 be sequentially connected shape
Become rectifier bridge conducting when current limit in smaller range, to ensure rectifier bridge trouble free service.
Operation principle of the present utility model is:When on monitored cable added with alternating current, alternating current signal detection module works
And monitored cable status are detected；After monitored cable power down, direct current signal detection module works, at this moment by anti-electric
Cable is stolen and is cut alarm control unit to monitored loop feeding low-voltage dc signal, and the various AC impedances on circuit are to low-voltage direct
Signal will not produce impact, and low-voltage dc signal does not interfere with the work of luminaire on circuit, direct current signal detection module yet
The direct current signal that real-time detection end is fed back by monitored cable loop, once the integrity quilt of monitored cable loop
Destroy, then this signal cannot be detected, the integrity that so can be easy to, reliably judge monitored cable run is
No destroyed, note abnormalities, alarm signal can externally be sent by interface module.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (7)
1. a kind of anti-cable steal cut alarm control unit it is characterised in that：Including main control module, power supply processing module and at least one
Individual cable theft-prevention detection module, described main control module connects power supply processing module and cable theft-prevention detection module respectively；Described electricity
Source processing module is powered to modules；Described cable theft-prevention detection module detects to the state of monitored cable,
And testing result is sent main control module.
2. a kind of anti-cable according to claim 1 is stolen and is cut alarm control unit it is characterised in that described cable theft-prevention is examined
Survey module and include direct current signal detection module, alternating current-direct current protection module, alternating current-direct current handover module and alternating current signal detection module；Institute
State direct current signal detection module complete monitored cable no alternating current when antitheft detection, and testing result is sent main control module,
Direct current signal detection module is connected with alternating current-direct current protection module；Described alternating current-direct current protection module is prevented from adding on monitored cable
Have during alternating current and burn out direct current signal detection module, alternating current-direct current protection module connects alternating current-direct current handover module；Monitored cable is same
When connect alternating current-direct current handover module and alternating current signal detection module, described alternating current-direct current handover module carries out direct current signal detection module
Switching with alternating current signal detection module；Described alternating current signal detection module completes monitored cable antitheft inspection during alternating current
Survey, and testing result is sent main control module.
3. a kind of anti-cable according to claim 1 is stolen and is cut alarm control unit it is characterised in that described cable theft-prevention is examined
Survey module and include direct current signal detection module, alternating current-direct current protection module and alternating current signal detection module；Described direct current signal detection
Module complete monitored cable no alternating current when antitheft detection, and testing result is sent main control module, direct current signal detects mould
Block is connected with alternating current-direct current protection module；Described alternating current-direct current protection module burns out when being prevented from monitored cable added with alternating current
Direct current signal detection module；Monitored cable is simultaneously connected with alternating current-direct current protection module and alternating current signal detection module, described exchange
Signal detection module completes monitored cable antitheft detection during alternating current, and testing result is sent main control module.
4. a kind of anti-cable according to claim 1 is stolen and is cut alarm control unit it is characterised in that also including interface circuit
Module, described interface module is connected with main control module, and main control module carries out letter by interface module and miscellaneous equipment
Breath interaction.
5. a kind of anti-cable according to claim 4 is stolen and is cut alarm control unit it is characterised in that described interface circuit mould
Block is RS485 interface circuit.
6. a kind of anti-cable according to Claims 2 or 3 steal cut alarm control unit it is characterised in that：Described alternating current-direct current
Protection module includes diode D1, diode D2, diode D3, diode D4, resistance R1 and reactor Y；The moon of diode D1
Pole is connected with the anode of diode D3, and junction point is designated as c point, and the negative electrode of diode D3 is connected with the negative electrode of diode D4, connects
Point is designated as a point, and the anode of diode D4 is connected with the negative electrode of diode D2, and junction point is designated as d point, the anode of diode D2 and two
The anode of pole pipe D1 connects, and junction point is designated as b point；One end of one end of reactor Y and resistance R1 is connected to a point after connecting,
The other end of reactor Y is connected with the first end of ac circuit cable, and the other end of resistance R1 is simultaneously electric with b point, ac circuit
Second end of cable connects；D point is connected with by the first end of protection DC circuit, and c point connects with by the second end of protection DC circuit
Connect.
7. a kind of anti-cable according to claim 6 is stolen and is cut alarm control unit it is characterised in that described alternating current-direct current is protected
Module also includes resistance R2, and described resistance R2 is located between a point and the connection end of resistance R1 and reactor Y, and the one of resistance R2
End is connected with a point, and the other end is connected with the connection end of resistance R1 and reactor Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911596.5U CN205942961U (en) | 2016-08-22 | 2016-08-22 | Prevent that cable robber cuts alarm control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911596.5U CN205942961U (en) | 2016-08-22 | 2016-08-22 | Prevent that cable robber cuts alarm control device |
Publications (1)
| Publication Number | Publication Date |
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| CN205942961U true CN205942961U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620911596.5U Active CN205942961U (en) | 2016-08-22 | 2016-08-22 | Prevent that cable robber cuts alarm control device |
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| CN (1) | CN205942961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134102A (en) * | 2017-07-12 | 2017-09-05 | 合肥信亚达智能科技有限公司 | A kind of cable anti-theft alarm system |
-
2016
- 2016-08-22 CN CN201620911596.5U patent/CN205942961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134102A (en) * | 2017-07-12 | 2017-09-05 | 合肥信亚达智能科技有限公司 | A kind of cable anti-theft alarm system |
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