CN205333768U - Outage antitheft detection equipment of street lamp, lamp decoration and cable - Google Patents
Outage antitheft detection equipment of street lamp, lamp decoration and cable Download PDFInfo
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- CN205333768U CN205333768U CN201521016328.9U CN201521016328U CN205333768U CN 205333768 U CN205333768 U CN 205333768U CN 201521016328 U CN201521016328 U CN 201521016328U CN 205333768 U CN205333768 U CN 205333768U
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Abstract
The utility model relates to a power equipment technical field, in particular to street lamp, the outage antitheft detection equipment of lamp decoration and cable, its including establish the host computer device of cable front end with establish at the terminal end equipment of cable, the host computer device includes microprocessor, AD sampling circuit, the alarm, constant -current source circuit and change over switch, the change over switch who is connected with the front end of cable is in off -state when cable the normal power supply, microprocessor monitors according to predetermined make -break time rule and judges, warning under the unusual state is judged at microprocessor to the alarm, the end equipment includes short circuiting switch and break -make switch, and is closed when the cable cuts off the power supply with the short circuiting switch of cable end -to -end connection, makes the cable short circuit, and the break -make switch switches over the open -closed state of short circuiting switch according to predetermined make -break time rule. From this, under the cable power failure state, by the people for cutting off or all can being detected and report to the police during the overlap joint short circuit, the theftproof security obviously improves with the theftproof accuracy.
Description
Technical field
This utility model relates to electrical equipment technical field, particularly relates to the power cut-off theft-proof detection equipment of a kind of street lamp, lamp decoration and cable。
Background technology
In power industry, various equipment are widely used, and wherein, for the luminaire such as street lamp and lamp decoration, it is while being powered by cable, it is necessary to application burglary-resisting installation is protected。
In recent years, the requirement of the aspect such as safety and accuracy street lamp, lamp decoration power cable being carried out to anti-theft protection is more and more higher, therefore, improves tamper-security and antitheft accuracy becomes design object。
In prior art, power application carrier system, based on electric power cable carrier communication, at cable distribution end, host apparatus is installed, in cable ends, end equipment is installed, is communicated by cable between host apparatus and end equipment, when cable disconnects, then communication failure, send warning。And during this structure arranges, compensating electric capacity owing to cable existing, carrier wave easily is produced to absorb by it, thus, false alarm easily occurs, and antitheft accuracy is low。
In another kind of prior art, the end at cable arranges the end equipment including transformator, when cable power-off, is judged by the DC impedance of measurement circuitry, when DC impedance is more than setting value, reports to the police。This structure is arranged, and it is vulnerable to the interference of line load, for instance be connected to other transformer load on cable, and this will make warning to send, and occurs that antitheft accuracy is low。
In above prior art, the tamper-security of street lamp, lamp decoration and cable and antitheft accuracy is low etc. has the drawback that those skilled in the art are presently required and solve the technical problem that。
Utility model content
The purpose of this utility model is to provide the power cut-off theft-proof detection equipment of a kind of street lamp, lamp decoration and cable。Tamper-security and antitheft accuracy will be significantly improved by application of the present utility model。
For solving above-mentioned technical problem, this utility model provides the power cut-off theft-proof detection equipment of a kind of street lamp, lamp decoration and cable, including for being arranged on the host apparatus of cable front end and for being arranged on the end equipment of described cable ends, wherein:
Described host apparatus includes microprocessor, AD sample circuit, alarm, for the constant-current source circuit powered and switching switch, the described switching switch being connected with the front end of described cable is off when described cable normal power supply, described microprocessor is for being monitored judging by default make-and-break time rule, and described alarm is reported to the police when described microprocessor judges is abnormal；
Described end equipment includes short switch and break-make switch, the described short switch being connected with described cable ends closes when described cable power-off, so that cable is short-circuit, described break-make switch is by the open and-shut mode of short switch described in the described make-and-break time changing rules preset。
Alternatively, described short switch is provided with switch protector。
Alternatively, described make-and-break time rule include retention time section and switching time section, described break-make switch keeps described short switch to close in described retention time section, described switching time switch in section described short switch disconnect。
Alternatively, the threshold value of described retention time section is 1 minute to 60 minutes。
Alternatively, the threshold value of described retention time section is 2 minutes。
Alternatively, the threshold value of section described switching time is 1 second to 60 seconds。
Alternatively, the threshold value of section described switching time is 2 seconds。
At one about street lamp, in the embodiment of the power cut-off theft-proof detection equipment of lamp decoration and cable, power cut-off theft-proof detection equipment includes the host apparatus for being arranged on cable front end and for being arranged on the end equipment of cable ends, wherein: host apparatus includes microprocessor, AD sample circuit, alarm, for the constant-current source circuit powered and switching switch, the switching switch being connected with the front end of cable is off when cable normal power supply, microprocessor is for being monitored judging by default make-and-break time rule, alarm is reported to the police when microprocessor judges is abnormal；End equipment includes short switch and break-make switch, and the short switch being connected with cable ends closes when cable power-off, so that cable is short-circuit, break-make switch is by the open and-shut mode of the make-and-break time changing rules short switch preset。Arranged by above structure, under the structure that host apparatus and the end equipment of power cut-off theft-proof detection equipment are respectively mounted front end and the end being connected to cable, when cable normal power supply, in host apparatus, the switching switch being directly connected with cable is off, namely, host apparatus is made to keep separating with cable, meanwhile, short switch in end equipment also remains open under cable powers normal state, it should be noted that, for cable, it generally includes zero line and live wire, if zero line and live wire mutual conduction are short circuit, when short switch is off, the zero line and the live wire that keep short switch position are isolated；When cable is stopped power supply for some reason, then the switch of the switching in host apparatus switches, make to be positioned at cable front end, the zero line of the cable of the switching position of the switch connects with host apparatus respectively with live wire, by constant-current source circuit, cable is powered, meanwhile, under power down mode, short switch in end equipment switches, namely close, under short switch closure state, the zero line of the cable of short switch location point and live wire are shorted the conducting of switch and define the state that overlap joint is short-circuit, thus, from host apparatus, the electric current of supply can in cable ends, connected by the conducting of short switch and form path, thus voltage signal is obtained by the AD sampler in host apparatus, and transmission to microprocessor detects。
On the basis of above-mentioned current path, microprocessor and the break-make switch of end equipment of host apparatus is preset identical make-and-break time rule respectively。Break-make switch is according to the open and-shut mode of make-and-break time changing rules short switch, when short switch is switched to disconnection by break-make switch, electric current cannot form path, AD sample circuit does not collect signal, then microprocessor does not receive signal, and according to microprocessor the contrast signal state disappeared and the make-and-break time rule self preset, when contrasting consistent, then microprocessor detects and is judged to normal condition, and on the contrary, when the state of blackout is different from the make-and-break time rule preset in microprocessor, then microprocessor is judged to exception, then reported to the police by alarm。
Above structure is arranged, at cable, and street lamp on cable or lamp decoration are when being robbed by premeditated robber, when stealing the personnel that rob, by conductors such as wires, the cable between host apparatus and end equipment being carried out turning on short circuit connection, then cable tends to remain on continuing, or conducting is difficult to consistent with default make-and-break time rule with the switch law disconnected, this just can make power cut-off theft-proof detection equipment alert。Thus, it is to avoid there are the illegal mining personnel of Professional knowledge by being overlapped on zero line and the live wire of cable by conductor, make under the state that cable remains short circuit, cause the state of power cut-off theft-proof detection equipment malfunction, thus improve tamper-security and antitheft accuracy。
It should be noted that, undertaken in the conducting structure of zero line and live wire by short switch, owing to the resistance of short switch can be suitable with the resistance of cable, namely resistance is less, this avoids such as the interference to the signal such as electric current, voltage of the equipment such as transformator, it is to avoid the generation of false alarm。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided。
Fig. 1 is this utility model structural representation；
In Fig. 1: cable 1, host apparatus 2, microprocessor 21, AD sample circuit 22, constant-current source circuit 23, switching switch 24, end equipment 3, short switch 31, break-make switch 32, switch protector 33。
Detailed description of the invention
Core of the present utility model is to provide the power cut-off theft-proof detection equipment of a kind of street lamp, lamp decoration and cable。Tamper-security and antitheft accuracy will be significantly improved by application of the present utility model。
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
Refer to Fig. 1, Fig. 1 is this utility model structural representation。
According to Fig. 1, power cut-off theft-proof detection equipment includes the host apparatus 2 for being arranged on cable 1 front end and for being arranged on the end equipment 3 of cable 1 end, wherein: host apparatus 2 includes microprocessor 21, AD sample circuit 22, alarm, for the constant-current source circuit 23 powered and switching switch 24, the switching switch 24 being connected with the front end of cable 1 is off when cable 1 normal power supply, microprocessor 21 is for being monitored judging by default make-and-break time rule, and alarm is reported to the police when microprocessor 21 judges abnormal；End equipment 3 includes short switch 31 and break-make switch 32, the short switch 31 being connected with cable 1 end closes when cable 1 power-off, so that cable 1 is short-circuit, break-make switch 32, by the make-and-break time rule preset, switches the open and-shut mode of short switch 31 when cable has a power failure for some reason。Arranged by above structure, when cable 1 has a power failure for some reason, switching switch 21 in host apparatus 2 closes, the front end making host apparatus 2 and cable 1 turns on, the electric current of constant-current source circuit 23 output is by cable 1, specifically, both the zero line of cable 1 can have been passed through, electric current conveying can also be carried out by the live wire of cable 1, this is because, for the cable 1 having a power failure, host apparatus 2 connects with cable 1, zero line and the live wire of cable 1 end are carried out, in the structure that short circuit connects, defining loop by the short switch 31 of end equipment 3 simultaneously。After the electric current provided at constant-current source circuit 23 flow to the position of end short switch 31 from the zero line (or live wire) of cable 1, by short switch 31, the host apparatus 2 of front end is returned from live wire (or zero line), thus, AD sample circuit 22 in host apparatus 2 is able to detect that the signal of telecommunication, represents cable 1 and is not switched off。Meanwhile, microprocessor 21 in host apparatus 2 and be respectively equipped with identical make-and-break time rule in the break-make switch 32 in end equipment 3, break-make switch 32 makes short switch 31 carry out correspondingly break-make switching by this make-and-break time rule, then the state of the being and not being of the signal of telecommunication that AD sampler 22 collects is consistent with make-and-break time rule, the state of the signal of telecommunication that AD sampler 22 obtains is compared by microprocessor 21 with the make-and-break time rule that himself is arranged, when consistent, represent the excellent of cable 1。And when under the state that the state of the signal of telecommunication does not meet make-and-break time rule, then representing the exception of cable 1, for instance when, under the state that the signal of telecommunication keeps for a long time, representing cable 1 and define abnormal short-circuit structure in middle a part；When, under the state that the signal of telecommunication disappears for a long time, representing cable 1 and disconnect。This all will by alarm alert。
Thus, the application of this power cut-off theft-proof detection equipment significantly improves tamper-security and antitheft accuracy。
Further, the short switch 31 in end equipment 2 being additionally provided with switch protector 33, this is it can be avoided that short switch 31 is impacted destruction by the electric current on cable 1。
For the make-and-break time rule of power-off anti-theft detection device in above-described embodiment, it include retention time section and switching time section, break-make switch 32 keeps short switch 31 to close in retention time section, switches short switch 31 and disconnect in switching time section。That is, allow current to enough in short switch 31 in retention time section, make the zero line of cable 1 end and live wire be in short-circuit condition, in switching time section, switch to disconnection。
For retention time section, its duration threshold value was set at 1 minute to 60 minute。Wherein, ratio is more preferably set to 2 minutes；For section switching time, arranging its duration threshold value is 1 second to 60 seconds。Wherein more preferably it is set to 2 seconds。Duration so is arranged, it is possible to make the monitored antitheft efficiency of cable 1 and accuracy reach optimized effect。When cable 1 is tampered under the state cut off, due to switching time section between 1 second to 60 second, for instance be 2 seconds, so, behind the interval of 2 seconds, be just able to detect that at most the disconnection of cable 1, and then send warning。In another kind of situation, when under the state that cable 1 is carried out short circuit overlap joint artificially, it it is 1 minute to 60 minutes owing to arranging the duration of retention time section, such as it is set to 2 minutes, then at most after the maintenance of 2 minutes connects, cable 1 is maintained as short-circuit condition, then represent the abnormal short-circuit connection status of cable 1, and then alarm sends warning。
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model。The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments。Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty。
Claims (7)
1. the power cut-off theft-proof detection equipment of a street lamp, lamp decoration and cable, it is characterized in that, including for being arranged on the host apparatus (2) of cable (1) front end and being used for being arranged on the end equipment (3) of described cable (1) end, wherein:
Described host apparatus (2) includes microprocessor (21), AD sample circuit (22), alarm, for the constant-current source circuit (23) powered and switching switch (24), described switching switch (24) being connected with the front end of described cable (1) is off when described cable (1) normal power supply, described microprocessor (21) is for being monitored judging by default make-and-break time rule, and described alarm is reported to the police when described microprocessor (21) judges abnormal；
Described end equipment (3) includes short switch (31) and break-make switch (32), the described short switch (31) being connected with described cable (1) end closes when described cable (1) power-off, so that cable (1) is short-circuit, described break-make switch (32) is by the open and-shut mode of short switch (31) described in the described make-and-break time changing rules preset。
2. power cut-off theft-proof detection equipment as claimed in claim 1, it is characterised in that described short switch (31) is provided with switch protector (33)。
3. power cut-off theft-proof detection equipment as claimed in claim 1 or 2, it is characterized in that, described make-and-break time rule include retention time section and switching time section, described break-make switch (32) keeps described short switch (31) to close in described retention time section, switches described short switch (31) in described switching time and disconnect in section。
4. power cut-off theft-proof detection equipment as claimed in claim 3, it is characterised in that the threshold value of described retention time section is 1 minute to 60 minutes。
5. power cut-off theft-proof detection equipment as claimed in claim 4, it is characterised in that the threshold value of described retention time section is 2 minutes。
6. power cut-off theft-proof detection equipment as claimed in claim 3, it is characterised in that described switching time, the threshold value of section was 1 second to 60 seconds。
7. power cut-off theft-proof detection equipment as claimed in claim 6, it is characterised in that described switching time, the threshold value of section was 2 seconds。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016328.9U CN205333768U (en) | 2015-12-07 | 2015-12-07 | Outage antitheft detection equipment of street lamp, lamp decoration and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521016328.9U CN205333768U (en) | 2015-12-07 | 2015-12-07 | Outage antitheft detection equipment of street lamp, lamp decoration and cable |
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| Publication Number | Publication Date |
|---|---|
| CN205333768U true CN205333768U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521016328.9U Active CN205333768U (en) | 2015-12-07 | 2015-12-07 | Outage antitheft detection equipment of street lamp, lamp decoration and cable |
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| CN (1) | CN205333768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180292A (en) * | 2020-09-30 | 2021-01-05 | 中国核动力研究设计院 | System and method for detecting on-off of cables between nuclear power plant reactor control system cabinets |
| CN112616231A (en) * | 2020-12-17 | 2021-04-06 | 陈迎春 | Fault alarm method, detection alarm device and system for periodic power supply electric appliance |
-
2015
- 2015-12-07 CN CN201521016328.9U patent/CN205333768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180292A (en) * | 2020-09-30 | 2021-01-05 | 中国核动力研究设计院 | System and method for detecting on-off of cables between nuclear power plant reactor control system cabinets |
| CN112616231A (en) * | 2020-12-17 | 2021-04-06 | 陈迎春 | Fault alarm method, detection alarm device and system for periodic power supply electric appliance |
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