CN105241561A - Visible alarm device for draw-out high voltage switch cabinet - Google Patents
Visible alarm device for draw-out high voltage switch cabinet Download PDFInfo
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- CN105241561A CN105241561A CN201510743696.1A CN201510743696A CN105241561A CN 105241561 A CN105241561 A CN 105241561A CN 201510743696 A CN201510743696 A CN 201510743696A CN 105241561 A CN105241561 A CN 105241561A
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Abstract
The invention discloses a visible alarm device for a draw-out high voltage switch cabinet, belonging to the technical field of high voltage supporting equipment. The visible alarm device mainly solves the problem that mechanical or electric faults are easily caused by some existing invisible operation processes. The visible alarm device is mainly characterized by comprising a display, a micro camera, a temperature sensor, an arc light sensor, a control unit and a power module; the control unit is a control circuit composed of a processor, a peripheral circuit, a visible doorbell circuit, a drive circuit, an alarm and trip circuit and an analog-digital conversion circuit; the display, the micro camera, the temperature sensor and the arc light sensor are respectively connected with the processor, and the two input ports of the analog-digital conversion circuit are respectively an arc light signal input end and a temperature signal input end. The visible alarm device has the characteristics that the push-in process of a draw-out circuit breaker is visible and the indoor temperature of the circuit breaker and the arc light of a bus room can be detected and alarmed.
Description
Technical field
The invention belongs to high pressure set of equipments technical field, be specifically related to a kind of visual warning device improving drawing type high voltage switch cabinet safe operation, avoid damaging isolating switch or switch cubicle.
Background technology
Along with the fast development of economic construction, equipment for power transmission and distribution to eliminate the cabinet types such as out-of-date GG1A, XGN2-12 fast, using the higher KYN type of relative safety, reliability as its regeneration product.When we enjoy KYN type switch cubicle bring our more reliable, safer, compacter advantage time, we also notice due to this type cabinet operation singularity, some process of operating process is sightless.If in cabinet static contact valve slide mechanism have fault or malfunctioning time, very easily make the contact of breaker of propelling, contact arm damage.Thus cause machinery or electric fault, bring loss economically, even huge economic loss.For this reason, the device of guarantee safety that just necessitates of the present invention.High-tension switch cabinet servicing unit manufacturer domestic at present throws energy on microcomputer protective relay, intelligent operation display mostly, and these equipment do not have using function provided by the invention.External High Tier Brand ABB has similar application, but not used for observing the product of breaker chamber valve.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of visual warning device for drawing type high voltage switch cabinet, the push-on process of drawout breaker can be made visual, have isolating switch indoor temperature, the detection of bus-bar room arc light and warning function simultaneously concurrently.
For achieving the above object, the invention provides following technical scheme: a kind of visual warning device for drawing type high voltage switch cabinet, is characterized in that: comprise display, minisize pick-up head, temperature sensor, arc photosensor, control module and power module; Wherein, described display is loaded on the instrument door of switch cubicle; Described control module and power module are loaded in metering house; Described minisize pick-up head and temperature sensor are loaded on breaker chamber sidewall; Described arc photosensor is loaded on the base plate in bus-bar room; Described control module is the control circuit be made up of processor and peripheral circuit, video doorbell circuit, driving circuit, warning and trip circuit and analog to digital conversion circuit; Display, minisize pick-up head, temperature sensor, arc photosensor are connected with processor respectively, and 2 input ports of analog to digital conversion circuit are respectively arc optical signal input end, temperature signal input.
The setting height(from bottom) of the minisize pick-up head described in technical solution of the present invention is as the criterion with the mid point of the upper and lower contact line of isolating switch, can ensure motion and the position of observing static contact valve over the display clearly.
Processor described in technical solution of the present invention is 89C51 single-chip microcomputer, analog to digital conversion circuit is ADC0809 modulus conversion chip, video doorbell circuit is visually reach 85C finished product, reports to the police and trip circuit is the relay tip that the P2.0-2.2 mouth of 89C51 drives.
Be connected with the RS232 level shifting circuit be made up of Phototube Coupling, triode, diode, resistance between the RXD end of the 89C51 single-chip microcomputer described in technical solution of the present invention and TXD hold, P2.0-2.2 end is connected with the power driving circuit be made up of NOT-AND gate, diode.
The present invention is owing to adopting the visual warning device for drawing type high voltage switch cabinet be made up of display, minisize pick-up head, temperature sensor, arc photosensor, control module and power module, wherein, display is loaded on the instrument door of switch cubicle, control module and power module are loaded in metering house, and minisize pick-up head and temperature sensor are loaded on breaker chamber sidewall, described arc, optical sensor is loaded on the base plate in bus-bar room, control module is by processor and peripheral circuit, video doorbell circuit, driving circuit, the control circuit of warning and trip circuit and analog to digital conversion circuit formation, display, minisize pick-up head, temperature sensor, arc photosensor is connected with processor respectively, 2 input ports of analog to digital conversion circuit are respectively arc optical signal input end, temperature signal input, thus device enters duty after powering on automatically, the vision signal of minisize pick-up head directly send display to show after video doorbell processing of circuit, arc photosensor, the electric current of temperature sensor, voltage signal is sent to control module by wire.Analog to digital conversion circuit in control module arranges respectively to it, compare with the alarming value that presets, the data of arc light, temperature signal as exceeded setting value, the action of corresponding warning output relay.When needs are advanced to working position isolating switch, operating personnel shake advance handle time, can see from display the image that isolating switch touches valve mechanism valve is separated up and down.If valve does not normally separate up and down, then illustrate that valve mechanism is malfunctioning, operating personnel should stop advancing.Oscillating checks valve mechanism after going out isolating switch; After isolating switch progradation normally completes, when disconnected guarantee light produces, more whether arc photosensor is sent to control module pulse current, exceeded with setting value by control module, in this way, drives alarm relay, drives alarm or tripping operation.In like manner, when the temperature that temperature sensor measures in breaker chamber is greater than the temperature range of equipment permission, control module also can send warning in time, alert process, avoids catastrophic failure occurs.
The present invention has makes that the push-on process of drawout breaker is visual has isolating switch indoor temperature, the detection of bus-bar room arc light and the feature of warning concurrently simultaneously.The present invention is mainly used in the visualized operation of drawing type high voltage switch cabinet breaker chamber valve.
Accompanying drawing explanation
Fig. 1 is device block diagram of the present invention.
Fig. 2 is each parts mount position schematic diagram of the present invention.
Fig. 3 is control circuit figure of the present invention.
In figure: 1, display; 2, video doorbell circuit; 3, minisize pick-up head; 4, warning and trip circuit; 5, driving circuit; 6, processor; 7, analog to digital conversion circuit; 8, arc photosensor; 9, temperature sensor; 10, control section; 11, stabilized voltage supply; 12, instrument element room; 13, secondary plug; 14, upper valve; 15, lower valve; 16, breaker chamber; 17, cable vault; 18, arc optical signal; 19, temperature signal.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1.Apparatus of the present invention comprise display 1, video doorbell circuit 2, minisize pick-up head 3, report to the police and trip circuit 4, driving circuit 5, processor 6, analog to digital conversion circuit 7, arc photosensor 8, temperature sensor 9, control module 10 and power module 11.Display 1 for model be the 7 inch displays of FRD-YFT-70040P.Video doorbell circuit 2 is connected with minisize pick-up head 3.Power module 11 is the stabilized voltage supply of S8JD for model, provides 5VDC, 24VDC.Control module 10 is by processor 6 and peripheral circuit, video doorbell circuit 2, driving circuit 5, reports to the police and control circuit that trip circuit 4 and analog to digital conversion circuit 7 are formed.
As shown in Figure 2.Display 1 is loaded on the instrument door of instrument element room, switch cubicle top 12, and control module 10 and power module 11 are loaded in instrument element room 12.Secondary plug 13, upper valve 14, lower valve 15 are positioned at breaker chamber 16 from top to bottom, minisize pick-up head 3 and temperature sensor 9 are loaded on breaker chamber 16 1 sidewalls, the setting height(from bottom) of minisize pick-up head 3 is as the criterion with the mid point of the upper and lower contact line of isolating switch, the position of shooting focus with valve horizontal direction mid point and between two valve, for taking the position of static contact valve, temperature sensor 9 is for detecting the change of isolating switch indoor temperature.Arc photosensor 8 is loaded on the base plate in bus-bar room, occurs with or without arc light for detecting in bus-bar room.Cable vault 17 is positioned at the bottom of switch cubicle, connects wire and arranges in the little wire casing of control of former switch cubicle both sides, draws and is connected to each element, do not affect the attractive in appearance of former wiring and safety from fairlead.
As shown in Figure 3.Processor 6 is 89C51 single-chip microcomputer, and analog to digital conversion circuit 7 is ADC0809 modulus conversion chip, and video doorbell circuit 2 is the visual 85C finished product that reaches, and warning and trip circuit 4 are the relay tip that the P2.0-2.2 mouth of 89C51 drives.IN4 and the IN0 mouth of analog to digital conversion circuit 7 is arc optical signal input end 18, temperature signal input 19.74LS373 is address latch.74LS02 is OR-circuit, coordinates control bus to control analog to digital conversion.The P2.0-2.2 end of 89C51 single-chip microcomputer is connected with the power driving circuit be made up of NOT-AND gate, diode.The P0 mouth of 89C51 single-chip microcomputer is connected with ADC0809 data port, first the P0 mouth of 89C51 single-chip microcomputer sends 8 selecting side, the tunnel ADDA-ADDC sending ADC0809 after gating address is latched by 3,5,6 pin of 74LS373 latch, analog to digital conversion is carried out in order to selective temperature or arc optical signal, after EOC, the EOC of ADC0809 sends the complete signal of conversion delivers to 89C51 single-chip microcomputer No. INT1, external interrupt through phase inverter, and the response of 89C51 single-chip microcomputer interrupts and follow procedure processes.Be connected with the RS232 level shifting circuit be made up of Phototube Coupling 4N25, triode, diode, resistance between the RXD end of 89C51 single-chip microcomputer and TXD hold, be convenient to and PC serial port communication.6 frequency divisions of the ALE output oscillation frequency of 89C51 single-chip microcomputer are supplied to the CLK of ADC0809 as work clock.Control module 10 has the functions such as video input exports, temperature signal input, arc optical signal input, warning output, communication.The input termination minisize pick-up head 3 of control module 10, arc photosensor 8, temperature sensor 9.The output termination display 1 of control module 10, communication port is RS232, and output terminal separately has relay to export, for connecing the buzzer siren, pilot lamp etc. on switch cubicle.
Claims (4)
1. for a visual warning device for drawing type high voltage switch cabinet, it is characterized in that: comprise display (1), minisize pick-up head (3), temperature sensor (9), arc photosensor (8), control module (10) and power module (11); Wherein, described display (1) is loaded on the instrument door of switch cubicle; Described control module (10) and power module (11) are loaded in metering house; Described minisize pick-up head (3) and temperature sensor (9) are loaded on breaker chamber (16) sidewalls; Described arc photosensor (8) is loaded on the base plate in bus-bar room; Described control module (10) is by processor (6) and peripheral circuit, video doorbell circuit (2), driving circuit (5), reports to the police and control circuit that trip circuit (4) and analog to digital conversion circuit (7) are formed; Display (1), minisize pick-up head (3), temperature sensor (9), arc photosensor (8) are connected with processor (6) respectively, and 2 input ports of analog to digital conversion circuit (7) are respectively arc optical signal input end (18), temperature signal input (19).
2. a kind of visual warning device for drawing type high voltage switch cabinet according to claim 1, is characterized in that: the setting height(from bottom) of described minisize pick-up head (3) is as the criterion with the mid point of the upper and lower contact line of isolating switch.
3. a kind of visual warning device for drawing type high voltage switch cabinet according to claim 1 and 2, it is characterized in that: described processor (6) is 89C51 single-chip microcomputer, analog to digital conversion circuit (7) is ADC0809 modulus conversion chip, video doorbell circuit (2), for reaching 85C finished product depending on control, is reported to the police and relay tip that trip circuit (4) the P2.0-2.2 mouth that is 89C51 drives.
4. a kind of visual warning device for drawing type high voltage switch cabinet according to claim 3, it is characterized in that: be connected with the RS232 level shifting circuit be made up of Phototube Coupling (4N25), triode, diode, resistance between the RXD end of described 89C51 single-chip microcomputer and TXD hold, P2.0-2.2 end is connected with the power driving circuit be made up of NOT-AND gate, diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743696.1A CN105241561A (en) | 2015-11-05 | 2015-11-05 | Visible alarm device for draw-out high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743696.1A CN105241561A (en) | 2015-11-05 | 2015-11-05 | Visible alarm device for draw-out high voltage switch cabinet |
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| CN105241561A true CN105241561A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510743696.1A Pending CN105241561A (en) | 2015-11-05 | 2015-11-05 | Visible alarm device for draw-out high voltage switch cabinet |
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Citations (7)
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| DE10003359C1 (en) * | 2000-01-21 | 2001-07-19 | Siemens Ag | High voltage power switch with driven light arc contact pieces, hot chamber ensures improved quenching of switch-off light arc at high contact separation speeds - has auxiliary drive that reverses direction of motion of second light arc contact piece at least once, esp. twice, during switch-off process |
| CN202978078U (en) * | 2012-12-07 | 2013-06-05 | 福建森达电气有限公司 | Intelligent-type medium-voltage whole-set switch device |
| CN103259208A (en) * | 2013-06-03 | 2013-08-21 | 宁波电业局 | Intelligent medium voltage switch cabinet |
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| CN103457351A (en) * | 2013-02-28 | 2013-12-18 | 南京亚电电力设备有限公司 | Integrated switch cabinet intelligent operating system |
| CN203366089U (en) * | 2013-06-19 | 2013-12-25 | 国家电网公司 | Intelligent monitoring device for high voltage switch cabinet |
| CN205642643U (en) * | 2015-11-05 | 2016-10-12 | 襄阳金恒电气有限公司 | A visual alarm device for pull -out type high tension switchgear |
-
2015
- 2015-11-05 CN CN201510743696.1A patent/CN105241561A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10003359C1 (en) * | 2000-01-21 | 2001-07-19 | Siemens Ag | High voltage power switch with driven light arc contact pieces, hot chamber ensures improved quenching of switch-off light arc at high contact separation speeds - has auxiliary drive that reverses direction of motion of second light arc contact piece at least once, esp. twice, during switch-off process |
| CN202978078U (en) * | 2012-12-07 | 2013-06-05 | 福建森达电气有限公司 | Intelligent-type medium-voltage whole-set switch device |
| CN103457351A (en) * | 2013-02-28 | 2013-12-18 | 南京亚电电力设备有限公司 | Integrated switch cabinet intelligent operating system |
| CN103259208A (en) * | 2013-06-03 | 2013-08-21 | 宁波电业局 | Intelligent medium voltage switch cabinet |
| CN203251004U (en) * | 2013-06-03 | 2013-10-23 | 宁波电业局 | Visual medium voltage switch cabinet |
| CN203366089U (en) * | 2013-06-19 | 2013-12-25 | 国家电网公司 | Intelligent monitoring device for high voltage switch cabinet |
| CN205642643U (en) * | 2015-11-05 | 2016-10-12 | 襄阳金恒电气有限公司 | A visual alarm device for pull -out type high tension switchgear |
Non-Patent Citations (2)
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| 潘永雄: "《新编单片机原理与应用（第三版）》", 31 December 2011 * |
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Application publication date: 20160113 |