CN204925218U - Outdoor power-off detection device - Google Patents
Outdoor power-off detection device Download PDFInfo
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- CN204925218U CN204925218U CN201520642293.3U CN201520642293U CN204925218U CN 204925218 U CN204925218 U CN 204925218U CN 201520642293 U CN201520642293 U CN 201520642293U CN 204925218 U CN204925218 U CN 204925218U
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- 238000001514 detection method Methods 0.000 title abstract description 3
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000005669 field effect Effects 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005055 memory storage Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000013500 data storage Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides an outdoor network outage detection device, it is main including the sampler, central processing unit, outage warning circuit, display, power protection device, the sampler connects in three-phase transmission line, and the sampler, outage warning circuit, display, central processing unit are connected respectively to power protection device, and central processing unit still connects BMS monitored control system through RS485 communication module, and BMS monitored control system connects data storage device respectively, reputation alarm device, SMS alarm device, the utility model discloses simple structure, when the electric wire netting is opened circuit or voltage is abnormal, can detect fast to reach remote monitering system through RS485 communication module, the easy access adopts power protection device simultaneously, when the electric wire netting outage suddenly, can protect normal power supply line.
Description
Technical field:
The utility model relates to grid equipment field, particularly relates to a kind of outdoor grid cut-off pick-up unit.
Background technology:
Electrical network belongs to conveying and distributes the intermediate link of electric energy, and it is primarily of connection power transmission sequence into the net and electric substation, and distribution substation and distribution line composition.Due to the spacing between power transmission sequence and electric substation or distribution substation have very remote, and power transmission line is made up of metal, not only price is high for it, easily stolen by people, simultaneously also can be damaged under rugged environment, if do not learn that power transmission line is stolen and damages, and can cause considerable influence to supply network rapidly.For this reason, in the conventional technology, usually adopt and manually back and forth make an inspection tour along power transmission sequence, if find that electric wire is stolen or damages, reported to the police by workman and it is repaired.Although manual operation also can be safeguarded electrical network effectively, because transmission pressure has very long distance, manual patrol needs the time grown very much, so, can cause the production of electricity consumption enterprise and have a strong impact on.
Utility model content:
In order to solve the problem, it is simple that the utility model provides a kind of structure, and energy fast detection of grid is abnormal, and easy access, simultaneously when the unexpected power-off of electrical network, can protect the technical scheme of normal power supply circuit:
A kind of outdoor grid cut-off pick-up unit; mainly comprise sampler, central processing unit, alarm for power-off circuit, display, power-off protection apparatus; sampler is connected in three phase line; sampler, alarm for power-off circuit, display, power-off protection apparatus connect central processing unit respectively; central processing unit is made up of voltage-level detector and relay; central processing unit also connects BMS supervisory system by RS485 communication module, and BMS supervisory system is connection data memory storage, acoustic-optic alarm, SMS alarming device respectively.
As preferably, alarm for power-off circuit comprises optical coupling isolator and field effect transistor, the input end contact resistance A of optical coupling isolator, resistance B is connected with between the output terminal of optical coupling isolator and ground, the output terminal of optical coupling isolator is connected on the grid of field effect transistor by resistance C, electric capacity is connected with between the grid of field effect transistor and ground, the drain electrode of field effect transistor is connected with power supply by resistance D, the drain electrode of field effect transistor is connected on the negative electrode of diode, the anode of diode is connected on the source electrode of field effect transistor, is connected with hummer between the source electrode of field effect transistor and ground.
As preferably; power-off protection apparatus comprises voltage detecting circuit, IC controller, dc-dc, on-off circuit, capacitor charge and discharge circuit and power circuit; power circuit is connected with voltage detecting circuit, dc-dc, capacitor charge and discharge circuit respectively; voltage detecting circuit connects IC controller; IC controller connecting valve circuit, on-off circuit connects dc-dc.
As preferably, sampler is provided with 4-8, is electrically connected respectively with being separated with certain distance between each sampler with power network line.
The beneficial effects of the utility model are:
(1) the utility model adopts alarm for power-off circuit, when mains-power circuit power-off, reports to the police immediately, is convenient to personnel and finds grid cut-off and keep in repair deenergizing circuit.
(2) the utility model adopts power-off protection apparatus, when the unexpected power-off of electrical network, can protect normal power supply circuit.
(3) the utility model reaches long distance control system by RS485 communication module, and the Real-time Collection that can realize grid cut-off is reported to the police and data record.
Accompanying drawing illustrates:
Fig. 1 is one-piece construction figure of the present utility model;
Fig. 2 is alarm for power-off circuit theory diagrams of the present utility model;
Fig. 3 is power-off protection apparatus schematic diagram of the present utility model.
Embodiment:
For making goal of the invention of the present utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, a kind of outdoor grid cut-off pick-up unit, mainly comprise sampler 1, central processing unit 2, alarm for power-off circuit 3, display 4, power-off protection apparatus 5, sampler 1 is connected in three phase line, sampler 1 is provided with 4-8, be electrically connected with power network line respectively with being separated with certain distance between each sampler, sampler 1, alarm for power-off circuit 3, display 4, power-off protection apparatus 5 connects central processing unit 2 respectively, central processing unit 2 is made up of voltage-level detector and relay, central processing unit 2 also connects BMS supervisory system 7 by RS485 communication module 6, BMS supervisory system 7 is connection data memory storage 8 respectively, acoustic-optic alarm 9, SMS alarming device 10.Because sampler 1 is for immediately being taken out by the voltage on power network line, as long as by the voltage of taking-up by utilizing central processing unit 2 instant analysis after transformation, also can determine that whether the voltage on it is normal, when sampler 1 on three phase line take out voltage and have larger change time, central processing unit 2 is after the signal receiving change voltage, will start alarm for power-off circuit 3 makes it send alerting signal, and display 4 can demonstrate the voltage signal of change simultaneously.The utility model reaches long distance control system by RS485 communication module, and the Real-time Collection that can realize grid cut-off is reported to the police and data record.
As shown in Figure 2, alarm for power-off circuit 3 comprises optical coupling isolator 31 and field effect transistor 32, the input end contact resistance A1a of optical coupling isolator 31, resistance B2a is connected with between the output terminal of optical coupling isolator 31 and ground, the output terminal of optical coupling isolator 31 is connected to by resistance C3a on the grid of field effect transistor 32, electric capacity 33 is connected with between the grid of field effect transistor 32 and ground, the drain electrode of field effect transistor 32 is connected with power supply by resistance D4a, the drain electrode of field effect transistor 32 is connected on the negative electrode of diode 34, the anode of diode 34 is connected on the source electrode of field effect transistor 32, hummer 35 is connected with between the source electrode of field effect transistor 32 and ground, when power network line power-off, optical coupling isolator 31 does not work, field effect transistor 32 conducting, hummer 35 is sounded a buzzer, the utility model adopts alarm for power-off circuit, when mains-power circuit power-off, report to the police immediately, be convenient to personnel find grid cut-off and keep in repair deenergizing circuit.
As shown in Figure 3; power-off protection apparatus 5 comprises voltage detecting circuit 51, IC controller 52, dc-dc 53, on-off circuit 54, capacitor charge and discharge circuit 55 and power circuit 56; power circuit 56 is connected with voltage detecting circuit 51, dc-dc 53, capacitor charge and discharge circuit 55 respectively; voltage detecting circuit 51 connects IC controller 52; IC controller 52 connecting valve circuit 54; on-off circuit 54 connects dc-dc 53; the utility model adopts power-off protection apparatus; when the unexpected power-off of electrical network, normal power supply circuit can be protected.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (4)
1. an outdoor grid cut-off pick-up unit, it is characterized in that: mainly comprise sampler (1), central processing unit (2), alarm for power-off circuit (3), display (4), power-off protection apparatus (5), described sampler (1) is connected in three phase line, described sampler (1), described alarm for power-off circuit (3), described display (4), described power-off protection apparatus (5) connects described central processing unit (2) respectively, described central processing unit (2) is made up of voltage-level detector and relay, described central processing unit (2) also connects BMS supervisory system (7) by RS485 communication module (6), described BMS supervisory system (7) is connection data memory storage (8) respectively, acoustic-optic alarm (9), SMS alarming device (10).
2. the outdoor grid cut-off pick-up unit of one according to claim 1, it is characterized in that: described alarm for power-off circuit (3) comprises optical coupling isolator (31) and field effect transistor (32), the input end contact resistance A (1a) of described optical coupling isolator (31), resistance B (2a) is connected with between the output terminal of described optical coupling isolator (31) and ground, the output terminal of described optical coupling isolator (31) is connected on the grid of field effect transistor (32) by resistance C (3a), electric capacity (33) is connected with between the grid of described field effect transistor (32) and ground, the drain electrode of described field effect transistor (32) is connected with power supply by resistance D (4a), the drain electrode of described field effect transistor (32) is connected on the negative electrode of diode (34), the anode of described diode (34) is connected on the source electrode of field effect transistor (32), hummer (35) is connected with between the source electrode of described field effect transistor (32) and ground.
3. the outdoor grid cut-off pick-up unit of one according to claim 1, it is characterized in that: described power-off protection apparatus (5) comprises voltage detecting circuit (51), IC controller (52), dc-dc (53), on-off circuit (54), capacitor charge and discharge circuit (55) and power circuit (56), described power circuit (56) respectively with described voltage detecting circuit (51), described dc-dc (53), described capacitor charge and discharge circuit (55) connects, described voltage detecting circuit (51) connects described IC controller (52), described IC controller (52) connects described on-off circuit (54), described on-off circuit (54) connects described dc-dc (53).
4. the outdoor grid cut-off pick-up unit of one according to claim 1, is characterized in that: described sampler (1) is provided with 4-8, is electrically connected respectively with being separated with certain distance between each sampler with power network line.
Priority Applications (1)
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CN201520642293.3U CN204925218U (en) | 2015-08-24 | 2015-08-24 | Outdoor power-off detection device |
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CN201520642293.3U CN204925218U (en) | 2015-08-24 | 2015-08-24 | Outdoor power-off detection device |
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CN201520642293.3U Expired - Fee Related CN204925218U (en) | 2015-08-24 | 2015-08-24 | Outdoor power-off detection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105548670A (en) * | 2016-01-28 | 2016-05-04 | 沈阳理工大学 | Energy saving outage alarm |
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2015
- 2015-08-24 CN CN201520642293.3U patent/CN204925218U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105548670A (en) * | 2016-01-28 | 2016-05-04 | 沈阳理工大学 | Energy saving outage alarm |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160824 |
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CF01 | Termination of patent right due to non-payment of annual fee |