CN105403755A - Electric power system power transmission and transformation safety equipment - Google Patents
Electric power system power transmission and transformation safety equipment Download PDFInfo
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- CN105403755A CN105403755A CN201510757339.0A CN201510757339A CN105403755A CN 105403755 A CN105403755 A CN 105403755A CN 201510757339 A CN201510757339 A CN 201510757339A CN 105403755 A CN105403755 A CN 105403755A
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Abstract
The invention discloses electric power system power transmission and transformation safety equipment comprising a high voltage capacitor and a voltage dividing capacitor which are installed between the high voltage bus and the ground wire of a metering box and connected in series in turn, a signal processing unit, an A/D converter and an E/O conversion unit which are connected with a first power supply, and an O/E conversion unit, a display unit and a control unit which are connected with a second power supply. The control unit of the second power supply is also connected with a wireless remote control transmitter which is wirelessly connected with a wireless remote control receiver. Electrification of the input end of the high voltage metering box can be monitored in real time, the signal of electrification of the input end of the high voltage metering box can be transmitted to a light-emitting device or acoustic equipment, and then corresponding danger prompts can be performed according to setting of a control device.
Description
Technical field
The present invention relates to electric system power transmission and transformation safety equipment.
Background technology
Electric system observing and controlling cabinet (i.e. switch cubicle, also known as complete switch or complete power distribution equipment): it controls isolating switch for main electrical equipment; Refer to the requirement of manufacturer according to electrical primary main wiring diagram, relevant high and low voltage electrical equipment (comprising control apparatus, protective device, measurement electrical equipment) and bus, current－carrying conductor, insulator etc. are assemblied in closed metal cabinet, as the device accepting and distribute electric energy in electric system; In all kinds of observing and controlling cabinet, often use charged display device, as light signal indicating lamp, be convenient to operations staff and understand that section of major loop at charging operation, when running, safeguarding and test element in cabinet, this cue more seems important, can not despise to the effect that personal safety ensures.
In order to ensure the safe operation of electric system, require to electric device or electric operation accurate, prevent the generation of five kinds of pernicious work accidents, namely what is often called five is prevented.So-called electric system five anti-refer to prevent by mistake point, falsely close circuit breaker, prevent on-load deciliter disconnector, prevent live ground wiring or close grounding switch, prevent line with ground or separately grounding switch close disconnector, prevent mistakenly entering charged chamber.
In electric system, on-load drawing disconnecting link, mistakenly entering charged chamber, switching on earth wire, live ground wiring, switch-dividing all can cause serious accident by mistake, make a concrete analysis of as follows: 1, on-load drawing disconnecting link: because disconnecting link does not possess arc extinguishing ability, if on-load drawing disconnecting link, strong electric arc can be produced disconnecting link is burnt, electric arc also causes the serious person to threaten to operating personnel simultaneously, may cause short trouble simultaneously.
2, mistakenly entering charged chamber: if mistakenly entering charged chamber when operating personnel will operate disconnecting link, its consequence causes on-load drawing disconnecting link exactly; If operating personnel will divide combination switch mistiming entering into charged intervals on the spot, its consequence is exactly divide combination switch by mistake; If mistakenly entering charged chamber when operations staff wants hanging earthing conductor or closes ground cutter, its consequence is exactly live ground wiring or charged conjunction ground cutter; If maintainer's mistakenly entering charged chamber and climb up charging equipment maintenance time, its consequence is exactly that personnel are shocked by electricity.
3, switching on earth wire: its direct result causes short trouble exactly.
4, live ground wiring: its consequence one causes system generation ground short circuit fault, two is cause the directly person to threaten to operating personnel.
5, divide combination switch: if miss switch-dividing, unnecessary line outage will be caused, if this circuit extremely important accident that may cause system large-area power-cuts in systems in which by mistake; If the circuit of scheduled outage runs turn cold standby or also do not find after turning maintenance and missing switch-dividing, proceed next step the switch operation that draws, charged broaching tool lock will be caused; If combination switch by mistake: when now this interval is in hot stand-by duty combination switch by mistake, likely cause the change of system operation mode, serious may cause systematic failures, such as, makes system become electromagnetism inscription of loop by mistake after closing a switch, likely makes circuit heavy overload even blow.
Therefore, electric power safety, first-selected minimum a bit will accomplish five anti-requirements exactly.
But along with popularizing of electric metering box, and, in order to loss that is energy-conservation and minimizing transmission of electric energy, the High-voltage measuring box of user side gets more and more, electric pressure is also more and more higher, and high-voltage power metering box lacks high voltage display device, therefore great hidden danger certainly will be brought to the reliable and stable operation of the safety of operating personnel and electric system.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of electric system power transmission and transformation safety equipment, can Real-Time Monitoring High-voltage measuring box input end whether charged, and by signal transmission whether charged for High-voltage measuring box input end to luminous or acoustics, and then make corresponding control operation.
The technical scheme of the technical problem to be solved in the present invention is:
Electric system power transmission and transformation safety equipment, comprise and be installed on the high voltage bus of batch meter and the high-voltage capacitance and the derided capacitors that are connected series connection between ground wire successively, the signal processing unit be connected with the first power supply, A/D converter and E/O converting unit, and O/E converting unit, display unit and the control module to be connected with second source, the control module that described second source connects also is connected with a wireless remote control emitter, wireless remote control emitter and wireless remote controlled receiver wireless connections.
Preferably, the control module that described second source connects also is connected with a human body sensor and alarm, in order to the human-induced signal detected according to induction, outputs control signals to alarm.
Preferably, described human body sensor is doppler effect sensors.
Preferably, described alarm is audible-visual annunciator.
Preferably, the first described power supply is solar cell.
Preferably, the control module that described second source connects also is connected with a light sensor and lighting device, in order to root
According to the power of the light sensing signal that induction detects, the signal of output control switch lighting device.
Excellent effect of the present invention:
Adopt the charged display device of a kind of electric metering box of invention, can Real-Time Monitoring High-voltage measuring box input end whether charged, and by signal transmission whether charged for High-voltage measuring box input end to luminous or acoustics, according to the setting of control device, corresponding control operation and then can be made.Detection signal of the present invention is stablized, and is not vulnerable to external interference.The present invention to user with clear and definite prompting, can play the effect preventing equipment misoperation He guarantee personal safety.
By the setting of human body sensor and light sensor, and the alarm to be connected with human body sensor and light sensor and lighting device, warning and the illumination of hommization more can be realized, the detection at night and illumination are combined, safer protection is provided.
Accompanying drawing explanation
Accompanying drawing described herein is in order to provide a further understanding of the present invention, and form the part of the present patent application, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the theory diagram of an embodiment of the present invention.
In figure;
C1, high-voltage capacitance,
C2, derided capacitors.
Embodiment
Below by way of particular specific embodiment, technology contents of the present invention is described, the content that those skilled in the art can be disclosed by this instructions understands other advantage of the present invention and effect easily.The present invention is also implemented by other different specific embodiment or is applied, and the every details in this instructions also based on different viewpoints and application, can carry out various modification and change under spirit of the present invention.
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
In figure, high voltage bus and the high-voltage capacitance C1 and the derided capacitors C2 that are connected series connection between ground wire successively of batch meter, the high voltage bus of batch meter can be High-Voltage Insulation binding post of inlet wire side etc., the present embodiment adopts electric capacity directly to connect the dividing potential drop sampling mode of high voltage bus, can guarantee the accuracy of sampled signal, stability, reliability.The output signal of derided capacitors C2 is connected to signal processing unit, signal is through filtering process, the various higher hamonic wave signal of effective removing, the output of signal processing unit is connected to A/D converter and E/O converting unit successively, after the simulating signal of sampling is converted to digital signal, again through E/O converting unit, i.e. electrical/optical converting unit, finally makes the simulating signal of sampling become light signal.Signal processing unit, A/D converter and E/O converting unit are connected by the first power supply respectively powers.First power supply preferentially adopts external AC220V, DC220V, 110V power supply, to ensure that high voltage display device is working properly.
When there is no external working power at the scene, preferential employing solar cell for supplying power mode.Solar cell for supplying power should not have a sun at continuous 15 days, can normally work by assurance device, also should accomplish non-maintaining, the continuous working life-span should reach more than 5 years.Try not to select battery (dry cell, rechargeable battery etc.) working power mode, because current transformer station is all generally unattended, cannot changes in time or charge after electricity exhausts, device can be affected and normally use.
Because sampling is in high-voltage region, therefore, in order to ensure safety, the first power supply preferentially adopts solar cell for supplying power mode.
The signal of E/O converting unit is through Fiber connection to the O/E converting unit of area of low pressure, i.e. photoelectric conversion unit, sampled signal is remapped as electric signal by light signal by it.The signal of O/E converting unit is connected to display unit and control module.Display unit should have light, the dual display of sound, warning function, to strengthen the warning effect to people, effectively to prevent staff's mistakenly entering charged chamber.Light is preferably flashing mode, and light is preferably red, and when brightness should have the sun by day, three meters outer obviously visual.Sound at distance people 30CM place, should be not less than 65dB.The output of control module should have blocking function, normal opened contact, normally closed contact, voltage, electric current output should be set, to coordinate with all kinds of error-proof device, such as: can lock with electromagnetic lock, Mechanically programm, the error-proof device such as microcomputer locking coordinates, implement forced blocking, the real effect embodying comprehensive forced blocking.
O/E converting unit, display unit and control module are connected with second source respectively.Second source preferentially adopts external AC220V, DC220V, 110V power supply, to ensure that high voltage display device is working properly.
The control module that described second source connects also is connected with a wireless remote control emitter, wireless remote control emitter and wireless remote controlled receiver wireless connections.Telepilot is a kind of wireless launcher, by the digital coding in modern times, key information is encoded, light wave is launched by infrared diode, the infrared signal received is transformed into electric signal through the infrared receiver of receiver by light wave, enter processor to decode, solve corresponding instruction and complete required operation requirements to reach opertaing device.Adopt remote control design dangerous information can be carried out teletransmission.
Preferably, the control module that described second source connects also is connected with a human body sensor and alarm, in order to the human-induced signal detected according to induction, outputs control signals to alarm.Preferably, described human body sensor is doppler effect sensors.Doppler effect Dopplereffect is in honor of Austrian physicist and mathematician's Christian John Doppler (ChristianJohannDoppler) and name, and he first proposed in 1842, and this is theoretical.Main contents are that the wavelength of object radiation is because the relative motion of wave source and observer changes.Before the wave source of motion, ripple is compressed, and wavelength becomes shorter, and frequency becomes higher (blue shift blueshift); Time after the wave source moved, contrary effect can be produced.Wavelength becomes longer, and frequency becomes lower (red shift redshift); The speed of wave source is higher, and the effect produced is larger.According to the degree that ripple red (indigo plant) moves, the speed that wave source follows observed ray motion can be calculated.
According to Doppler effect, can detect the activity of human body, draw the distance range of people near power equipment, in the distance range set, make danger warning.
Preferably, described alarm is audible-visual annunciator.
Preferably, the control module that described second source connects also is connected with a light sensor and lighting device, in order to the power of the light sensing signal according to induction detection, and the signal of output control switch lighting device.Light sensor is also called brightness impression device, English name is Light-Sensor, and a lot of equipment is provided with this inductor, the light luminance that it can be residing at present according to equipment, whether automatic conditioning equipment screen intensity or switch lighting device, bring best visual effect to user.
Design of the present invention, can realize warning and the illumination of hommization more, the detection at night and illumination is combined, provides safer protection.
Although this patent is explained with reference to preferred embodiment and accompanying drawing, but above-mentioned explanation should be considered as illustrative and non-limiting, and the change that person's spirit according to the present invention of being familiar with technique is made and amendment, all should belong to the protection domain of this patent.
Claims (6)
1. electric system power transmission and transformation safety equipment, comprise and be installed on the high voltage bus of batch meter and the high-voltage capacitance and the derided capacitors that are connected series connection between ground wire successively, the signal processing unit be connected with the first power supply, A/D converter and E/O converting unit, and O/E converting unit, display unit and the control module to be connected with second source, it is characterized in that: the control module that described second source connects also is connected with a wireless remote control emitter, wireless remote control emitter and wireless remote controlled receiver wireless connections.
2. a kind of electric system power transmission and transformation safety equipment according to claim 1, it is characterized in that: the control module that described second source connects also is connected with a human body sensor and alarm, in order to the human-induced signal detected according to induction, output control signals to alarm.
3. a kind of electric system power transmission and transformation safety equipment according to claim 2, is characterized in that: described human body sensor is doppler effect sensors.
4. a kind of electric system power transmission and transformation safety equipment according to claim 2, is characterized in that: described alarm is audible-visual annunciator.
5. a kind of electric system power transmission and transformation safety equipment according to claim 1, is characterized in that: the first described power supply is solar cell.
6. a kind of electric system power transmission and transformation safety equipment according to claim 1, it is characterized in that: the control module that described second source connects also is connected with a light sensor and lighting device, in order to the power of the light sensing signal according to induction detection, the signal of output control switch lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757339.0A CN105403755A (en) | 2015-11-09 | 2015-11-09 | Electric power system power transmission and transformation safety equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510757339.0A CN105403755A (en) | 2015-11-09 | 2015-11-09 | Electric power system power transmission and transformation safety equipment |
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| CN105403755A true CN105403755A (en) | 2016-03-16 |
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| CN201510757339.0A Pending CN105403755A (en) | 2015-11-09 | 2015-11-09 | Electric power system power transmission and transformation safety equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557620A (en) * | 2019-09-25 | 2019-12-10 | 国家电网公司 | High-altitude power equipment image transmission device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557620A (en) * | 2019-09-25 | 2019-12-10 | 国家电网公司 | High-altitude power equipment image transmission device |
| CN110557620B (en) * | 2019-09-25 | 2021-02-09 | 国家电网有限公司 | High-altitude power equipment image transmission device |
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Application publication date: 20160316 |