CN205642643U - A visual alarm device for pull -out type high tension switchgear - Google Patents
A visual alarm device for pull -out type high tension switchgear Download PDFInfo
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- CN205642643U CN205642643U CN201520875567.3U CN201520875567U CN205642643U CN 205642643 U CN205642643 U CN 205642643U CN 201520875567 U CN201520875567 U CN 201520875567U CN 205642643 U CN205642643 U CN 205642643U
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Abstract
The utility model provides a visual alarm device for pull -out type high tension switchgear. Belong to high -pressure complete sets technical field. It solves current some operation process because of the invisible problem that easily causes machinery or electrical accident that exists. Its leading features is: including display, miniature camera head, temperature sensor, arc light sensor, the control unit and power module, the control circuit of the control unit for constituting by treater and peripheral circuit, visual doorbell circuit, drive circuit, warning and tripping operation circuit and analog to digital conversion circuit, display, miniature camera head, temperature sensor, arc light sensor are connected with the treater respectively, and 2 input ports of analog to digital conversion circuit are arc optical signal input end, temperature signal input respectively. The utility model has the characteristics of make drawout breaker's visual detection and the warning that has circuit breaker indoor temperature, bus -bar room arc light simultaneously concurrently of the process that pushes.
Description
Technical field
This utility model belongs to high pressure complete set of equipments technical field, is specifically related to a kind of improve drawing type high voltage switch cabinet safety operation, avoid damaging chopper or the visualization alarm device of switch cubicle.
Background technology
Along with the fast development of economic construction, equipment for power transmission and distribution has quickly eliminated the cabinet types such as out-of-date GG1A, XGN2-12, using relative safety, reliability higher KYN type as its regeneration product.Bring that we are more reliable, safer when we enjoy KYN type switch cubicle, greater compactness of advantage time, we also noted that some process of operating process is sightless due to the particularity of this type cabinet operation.If in cabinet static contact valve slide mechanism faulty or malfunctioning time, easily make the contact of breaker of propelling, contact arm damage.Thus cause mechanically or electrically fault, bring loss economically, the hugest economic loss.To this end, the device ensureing safety that this utility model just necessitates.The most domestic high-tension switch cabinet auxiliary device manufacturer throws energy on microcomputer protective relay, intelligent operation display mostly, and these equipment do not have the use function that this utility model provides.External High Tier Brand ABB has similar application, but not used for observing the product of breaker chamber valve.
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of visualization alarm device for drawing type high voltage switch cabinet, the push-on process that can make drawout breaker visualizes, and has chopper indoor temperature, the detection of bus-bar room arc light and warning function concurrently simultaneously.
For achieving the above object, this utility model provides following technical scheme: a kind of visualization alarm device for drawing type high voltage switch cabinet, it is characterised in that: include display, minisize pick-up head, temperature sensor, arc photosensor, control unit and power module；Wherein, described display is loaded on the instrument door of switch cubicle；Described control unit and power module are loaded in control room；Described minisize pick-up head and temperature sensor are loaded on one sidewall of breaker chamber；Described arc photosensor is loaded on the base plate in bus-bar room；Described control unit is the control circuit being made up of processor and peripheral circuit, video doorbell circuit, drive 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, temperature signal input.
The setting height(from bottom) of the minisize pick-up head described in technical solution of the present utility model is as the criterion with the midpoint of chopper upper and lower contact line, it is ensured that the motion of static contact valve the most visible in detail and position.
Processor described in technical solution of the present utility model is 89C51 single-chip microcomputer, analog to digital conversion circuit is ADC0809 modulus conversion chip, video doorbell circuit is visually to reach 85C finished product, the relay tip that warning and the P2.0-2.2 mouth that trip circuit is 89C51 drive.
Being connected between the RXD end of the 89C51 single-chip microcomputer described in technical solution of the present utility model and TXD end and have the RS232 level shifting circuit being made up of Phototube Coupling, audion, diode, resistance, P2.0-2.2 end connects the power driving circuit being made up of NOT-AND gate, diode.
The visualization alarm device for drawing type high voltage switch cabinet that this utility model is made up of display, minisize pick-up head, temperature sensor, arc photosensor, control unit and power module due to employing, wherein, display is loaded on the instrument door of switch cubicle, control unit and power module are loaded in control room, and minisize pick-up head and temperature sensor are loaded on one sidewall of breaker chamber；Described arc, optical sensor is loaded on the base plate in bus-bar room, control unit is by processor and peripheral circuit, video doorbell circuit, drive circuit, the control circuit that warning and trip circuit and analog to digital conversion circuit are constituted, 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, temperature signal input, thus device power on after automatically into duty, the video 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 unit by wire.It is arranged and compares with alarming value set in advance by analog to digital conversion circuit in control unit respectively, arc light, temperature signal data as beyond setting value, corresponding warning output relay action.When needs are advanced to operating position chopper, operator, when shake advances handle, can see from display that chopper touches valve mechanism and makes the upper and lower separate image of valve.If valve does not normally separate up and down, then explanation valve mechanism is malfunctioning, and operator should stop advancing.Valve mechanism is checked after going out chopper；After chopper progradation normally completes, disconnected ensure that when light produces, arc photosensor is sent to control unit pulse current, control unit compare with setting value and whether exceed, in this way, drive alarm relay, driving alarm or tripping operation.In like manner, when the temperature range that the temperature in temperature sensor measures breaker chamber allows more than equipment, control unit also can send warning in time, and prompting operator process, it is to avoid catastrophe failure occurs.
This utility model has makes the push-on process visualization of drawout breaker have chopper indoor temperature, the detection of bus-bar room arc light and the feature of warning concurrently simultaneously.This utility model 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 utility model.
Fig. 2 is this utility model each parts mount position schematic diagram.
Fig. 3 is control circuit figure of the present utility model.
In figure: 1, display；2, video doorbell circuit；3, minisize pick-up head；4, warning and trip circuit；5, drive circuit；6, processor；7, analog to digital conversion circuit；8, arc photosensor；9, temperature sensor；10, part is controlled；11, regulated power 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.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
As shown in Figure 1.This utility model device includes display 1, video doorbell circuit 2, minisize pick-up head 3, reports to the police and trip circuit 4, drive circuit 5, processor 6, analog to digital conversion circuit 7, arc photosensor 8, temperature sensor 9, control unit 10 and power module 11.Display 1 is 7 display that model is FRD-YFT-70040P.Video doorbell circuit 2 is connected with minisize pick-up head 3.Power module 11 is regulated power supply that model is S8JD, it is provided that 5VDC, 24 VDC.Control unit 10 is the control circuit being made up of processor 6 and peripheral circuit, video doorbell circuit 2, drive circuit 5, warning and trip circuit 4 and analog to digital conversion circuit 7.
As shown in Figure 2.Display 1 is loaded on the instrument door of instrument element room, switch cubicle top 12, and control unit 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 16 1 sidewalls of breaker chamber, the setting height(from bottom) of minisize pick-up head 3 is as the criterion with the midpoint of chopper upper and lower contact line, shooting focus is with valve horizontal direction midpoint and the position between two valve, for shooting the position of static contact valve, temperature sensor 9 is for detecting the change of chopper indoor temperature.Arc photosensor 8 is loaded on the base plate in bus-bar room, occurs with or without arc light in being used for detecting 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 from fairlead and is connected to each element, does not affect the attractive in appearance of former wiring and safety.
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 visually to reach 85C finished product, the relay tip that warning and the P2.0-2.2 mouth that trip circuit 4 is 89C51 drive.IN4 and the IN0 mouth of analog to digital conversion circuit 7 is arc optical signal input 18, temperature signal input 19.74LS373 is address latch.74LS02 is OR-circuit, coordinates and controls bus marco analog digital conversion.The P2.0-2.2 end of 89C51 single-chip microcomputer connects the power driving circuit being 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 and send 8 tunnels of ADC0809 to select end ADDA-ADDC after gating address is latched by the 3 of 74LS373 latch, 5,6 feet, in order to select temperature or arc optical signal to carry out analog digital conversion, after EOC, the EOC of ADC0809 sends the complete signal of conversion and delivers to the external interrupt INT1 of 89C51 single-chip microcomputer through phase inverter, and the response of 89C51 single-chip microcomputer interrupts and follow procedure processes.It is connected between the RXD end of 89C51 single-chip microcomputer and TXD end and has the RS232 level shifting circuit being made up of Phototube Coupling 4N25, audion, diode, resistance, it is simple to PC serial port communication.6 frequency dividings of the ALE output frequency of oscillation of 89C51 single-chip microcomputer are supplied to the CLK of ADC0809 as work clock.Control unit 10 has video input output, temperature signal input, arc optical signal input, the functions such as output, communication of reporting to the police.Input termination minisize pick-up head 3, arc photosensor 8, the temperature sensor 9 of control unit 10.The output termination display 1 of control unit 10, communication port is RS232, and outfan separately has relay to export, and is used for buzzer siren, the display lamp etc. connecing on switch cubicle.
Claims (4)
1. the visualization alarm device for drawing type high voltage switch cabinet, it is characterised in that: include display (1), minisize pick-up head (3), temperature sensor (9), arc photosensor (8), control unit (10) and power module (11)；Wherein, described display (1) is loaded on the instrument door of switch cubicle；Described control unit (10) and power module (11) are loaded in control room；Described minisize pick-up head (3) and temperature sensor (9) are loaded on (16) sidewalls of breaker chamber；Described arc photosensor (8) is loaded on the base plate in bus-bar room；Described control unit (10) is the control circuit being made up of processor (6) and peripheral circuit, video doorbell circuit (2), drive circuit (5), warning and trip circuit (4) and analog to digital conversion circuit (7)；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 (18), temperature signal input (19).
A kind of visualization alarm device for drawing type high voltage switch cabinet the most according to claim 1, it is characterised in that: the setting height(from bottom) of described minisize pick-up head (3) is as the criterion with the midpoint of chopper upper and lower contact line.
A kind of visualization alarm device for drawing type high voltage switch cabinet the most 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) is for reaching, depending on control, the relay tip that 85C finished product, warning and the P2.0-2.2 mouth that trip circuit (4) is 89C51 drive.
A kind of visualization alarm device for drawing type high voltage switch cabinet the most according to claim 3, it is characterized in that: be connected between the RXD end of described 89C51 single-chip microcomputer and TXD end and have the RS232 level shifting circuit being made up of Phototube Coupling 4N25, audion, diode, resistance, P2.0-2.2 end connects the power driving circuit being made up of NOT-AND gate, diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875567.3U CN205642643U (en) | 2015-11-05 | 2015-11-05 | A visual alarm device for pull -out type high tension switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875567.3U CN205642643U (en) | 2015-11-05 | 2015-11-05 | A visual alarm device for pull -out type high tension switchgear |
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| CN205642643U true CN205642643U (en) | 2016-10-12 |
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| CN201520875567.3U Active CN205642643U (en) | 2015-11-05 | 2015-11-05 | A visual alarm device for pull -out type high tension switchgear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241561A (en) * | 2015-11-05 | 2016-01-13 | 襄阳金恒电气有限公司 | Visible alarm device for draw-out high voltage switch cabinet |
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- 2015-11-05 CN CN201520875567.3U patent/CN205642643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241561A (en) * | 2015-11-05 | 2016-01-13 | 襄阳金恒电气有限公司 | Visible alarm device for draw-out high voltage switch cabinet |
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