CN104125693A - Transformer substation lighting control system and control method implemented by same - Google Patents
Transformer substation lighting control system and control method implemented by same Download PDFInfo
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- CN104125693A CN104125693A CN201410394085.6A CN201410394085A CN104125693A CN 104125693 A CN104125693 A CN 104125693A CN 201410394085 A CN201410394085 A CN 201410394085A CN 104125693 A CN104125693 A CN 104125693A
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Abstract
The invention discloses a transformer substation lighting control system which comprises a lighting control device, a communication device and an upper computer. The lighting control device is connected with the upper computer by the communication device and comprises a microcontroller, a current transformer, a relay and a local control panel, the local control panel is provided with a local locking switch and a rocker switch, the local locking switch, the rocker switch, the relay and a secondary winding of the current transformer are connected with the microcontroller, a primary winding of the current transformer and the relay are serially connected onto a power supply circuit, the power supply circuit comprises a zero line and a phase line, a lamp is serially connected with the zero line, and a single-pole double-throw switch is serially connected with the phase line. The invention further discloses a control method implemented by the transformer substation lighting control system. The transformer substation lighting control system and the control method have the advantages that remote control and local control can be conveniently switched over when the control system is applied, a local double-control function can be conveniently implemented, and the transformer substation lighting control system is convenient to popularize and apply.
Description
Technical field
The present invention relates to supervisory control of substation field, specifically transformer station's lamp light control system and control method thereof.
Background technology
All-round popularization along with unattended operation transformer station management mode, in Surveillance center, by existing power telecom network, affiliated transformer station is realized to long-range real-time video monitoring, remote failure and fortuitous event alarm reception & disposal, can improve fail safe and the reliability of substation operation and maintenance, and can progressively realize visual control and the scheduling of electrical network, make electrical network regulation and control operation safer, reliable.
Transformer station is to intelligent and unmanned future development, and this just needs the various devices of transformer station inside to realize the control of long-range, but can not lack the function of controlling on the spot simultaneously.Lighting system is as the important component part of transformer station, it provides illumination during operation for attendant in transformer station, for the ease of controlling, the lighting system of traditional transformer station has dual control function on the spot conventionally, as the light of staircase is controlled the mode that bottom of the building is turned on light, roof is turned off the light that adopts.When realizing intelligent substationization and control, the mode by Long-distance Control makes lighting system provide light filling support for the video camera in transformer station now, the comprehensive monitoring system of transformer station has just been realized the remote control function of lighting system conventionally, and switching long-range to lighting system, that control on the spot, and dual control function on the spot is often short of consideration.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of be convenient to realize Long-distance Control and the switching of controlling are on the spot provided, and be convenient to realize transformer station's lamp light control system of dual control function on the spot, the invention also discloses the control method of above-mentioned transformer station lamp light control system.
The present invention addresses the above problem and is achieved through the following technical solutions: transformer station's lamp light control system, comprise Light Control Unit, communicator and host computer, described Light Control Unit is connected with host computer by communicator, Light Control Unit comprises microcontroller, current transformer, relay and be provided with the control panel on the spot of locking switch and rocker switch on the spot, described locking switch on the spot, rocker switch, the secondary winding of relay and current transformer is all connected with microcontroller, winding of described current transformer and relay are all serially connected on the current supply circuit consisting of a zero line that is serially connected with lamp and phase line that is serially connected with a single-pole double-throw switch (SPDT).When the present invention applies, microcontroller is for the logical process of whole control system, and current transformer gathers current signal, and whether microcontroller collects current signal by current transformer judges cut-offfing of current light.
Further, described Light Control Unit also comprises the amplification rectification circuit being connected with microcontroller, and the secondary winding of described current transformer is connected with microcontroller by being connected to amplification rectification circuit.So, the current signal of current transformer collection is sent to microcontroller after amplifying rectification circuit amplification rectification again.
Further, CAN bus control unit and LAN controller that described communication device comprises arm processor and is connected with arm processor, described Light Control Unit is also provided with the CAN bus control unit being connected with microcontroller, described Light Control Unit is realized connection with the CAN bus control unit that communication device is connected both by CAN bus, and described communicator is connected with host computer by its LAN controller.So, when the present invention applies, can connect host computer by LAN controller, conveniently realize wired or wireless networking mode.
The control method of transformer station's lamp light control system, comprises the following steps:
Step 1, in the microcontroller of Light Control Unit, set locking mode and on the spot unlock mode on the spot, wherein, the conversion of locking mode and unlock mode on the spot receives by microcontroller the logical signal producing when locking switch switches on the spot and controls on the spot;
Step 2, startup transformer station lamp light control system;
Step 3, operating personnel are chosen as unlock mode or on the spot locking mode on the spot by the locking switch on the spot switching on control panel on the spot;
If transformer station's lamp light control system mode of operation is unlock mode on the spot, its control mode is: microcontroller judges the state when front loop by the state of current transformer, when current transformer detects electric current, microcontroller is confirmed current supply circuit unlatching, when current transformer detects electric current, microcontroller confirmation current supply circuit is not closed, microcontroller confirms that the backward host computer report of current loop state is when the state of headlight, when host computer is during to the order of microcontroller transmit button, the conversion of microprocessor controls relay, feedback by current transformer is confirmed whether switch lamp again, after being confirmed whether switch lamp again to host computer transmit operation result, the effective value of current transformer after the repeatedly conversion of microcontroller by relay, do not detected yet, to host computer, send mistake or Trouble Report,
If transformer station's lamp light control system mode of operation is locking mode on the spot, its control mode: microcontroller shields the operational order from host computer after receiving the logical signal that locking switch is opened on the spot, and the signal value detecting by current transformer judges the real-time status of current lamp and reports to host computer, when operating personnel press rocker switch, the state of microprocessor controls relay is changed and is kept, and sends current loop works state to host computer simultaneously.Wherein, the present invention, when locking mode on the spot, changes and latching relay state by microcontroller, and coordinates and be serially connected in the single-pole double-throw switch (SPDT) in phase line, can realize the dual control function consistent with lighting system in traditional transformer station.If the residing environment of control system of the present invention exists current interference, the electric current that microcontroller can be set as current transformer to detect and a certain set point are carried out comparison, and then judge whether loop opens.
In sum, the present invention has following beneficial effect: (1) control system overall structure of the present invention is simple, be convenient to realize, cost is low, during control system of the present invention, by switching locking switch on the spot, can realize locking mode and the switching of unlock mode on the spot on the spot, when being switched on the spot locking mode, by rocker switch and the single-pole double-throw switch (SPDT) being serially connected in phase line, can realize the function of dual control on the spot, so, the present invention realizes Long-distance Control and the switching of controlling on the spot, and simple operation during dual control function on the spot, time saving and energy saving.
(2) when the present invention applies, improvement project for traditional transformer station, also without changing the current supply circuit of light and the position of switch, adopt Light Control Unit to replace a certain control switch of original lighting system, can realize Long-distance Control and the switching of controlling on the spot, and dual control function on the spot, so, it is convenient in the improvement project of transformer station, to apply.
(3) Light Control Unit of the present invention is connected by CAN bus with communication device, CAN bus is universal serial bus, a communication device can access at most 127 Light Control Units by CAN bus mode, communication device is used LAN controller and host computer to carry out networking, so, when applying, the present invention is convenient to carry out multi-point monitoring flexible operation while realizing Long-distance Control.
Accompanying drawing explanation
fig. 1 is the structural representation of a specific embodiment of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is done to detailed description further, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, transformer station's lamp light control system, comprises Light Control Unit, communicator and host computer, and wherein, Light Control Unit is connected with host computer by communicator, and the host computer of the present embodiment can adopt computer realization.Light Control Unit comprises microcontroller, current transformer, amplification rectification circuit, relay and control panel on the spot, microcontroller adopts STM32 family chip, control panel is provided with locking switch and rocker switch on the spot on the spot, the secondary winding of locking switch, rocker switch, relay and current transformer is all connected with microcontroller on the spot, and winding of current transformer and relay are all serially connected on the current supply circuit consisting of a zero line that is serially connected with lamp and phase line that is serially connected with a single-pole double-throw switch (SPDT).
The control method of transformer station's lamp light control system of the present embodiment, comprise the following steps: step 1, in the microcontroller of Light Control Unit, set locking mode and on the spot unlock mode on the spot, wherein, the conversion of locking mode and unlock mode on the spot receives by microcontroller the logical signal producing when locking switch switches on the spot and controls on the spot; Step 2, startup transformer station lamp light control system; Step 3, operating personnel are chosen as unlock mode or on the spot locking mode on the spot by the locking switch on the spot switching on control panel on the spot.
Transformer station's lamp light control system mode of operation of the present embodiment is during for unlock mode on the spot, and Long-distance Control has effect, controls and loses efficacy on the spot.The control mode of unlock mode is on the spot: microcontroller judges the state when front loop by the state of current transformer, if current transformer detects electric current, microcontroller is confirmed current supply circuit unlatching, and report that to host computer current light is in opening, when host computer sends pass order, the conversion of microprocessor controls relay, and be confirmed whether effectively to have closed lamp by the feedback of current transformer, and to host computer transmit operation result.If current supply circuit itself is in the situation of closing during the present embodiment application, also can sends and order the state that turns relay to be turned on light by host computer, and confirm by current detecting whether loop normally opens.After if microcontroller is changed repeatedly by relay, the effective value of current sensor still do not detected, just to host computer, send mistake or Trouble Report.
Transformer station's lamp light control system mode of operation of the present embodiment is during for locking mode on the spot, its control mode is: microcontroller shields the operational order from host computer after receiving the logical signal that locking switch is opened on the spot, and the signal value detecting by current transformer judges the real-time status of current lamp and reports to host computer, when operating personnel press rocker switch, the state of microprocessor controls relay is changed and is kept, and sends current loop works state to host computer simultaneously.
Embodiment 2:
The present embodiment has been made following further restriction on the basis of embodiment 1: CAN bus control unit and LAN controller that the communication device of the present embodiment comprises arm processor and is connected with arm processor, Light Control Unit is also provided with the CAN bus control unit being connected with microcontroller, wherein, Light Control Unit is realized connection with the CAN bus control unit that communication device is connected both by CAN bus, and communicator is connected with host computer by its LAN controller.CAN bus is universal serial bus, can in its twin cable, articulate 127 equipment, so, the present embodiment when application communication device can external at most 127 Light Control Units, the mode of employing CAN bus and Ethernet can reduce the complexity of the present embodiment control system, reduces installation cost.
As mentioned above, can realize preferably the present invention.
Claims (4)
1. transformer station's lamp light control system, it is characterized in that, comprise Light Control Unit, communicator and host computer, described Light Control Unit is connected with host computer by communicator, Light Control Unit comprises microcontroller, current transformer, relay and be provided with the control panel on the spot of locking switch and rocker switch on the spot, described locking switch on the spot, rocker switch, the secondary winding of relay and current transformer is all connected with microcontroller, winding of described current transformer and relay are all serially connected on the current supply circuit consisting of a zero line that is serially connected with lamp and phase line that is serially connected with a single-pole double-throw switch (SPDT).
2. transformer station according to claim 1 lamp light control system, it is characterized in that, described Light Control Unit also comprises the amplification rectification circuit being connected with microcontroller, and the secondary winding of described current transformer is connected with microcontroller by being connected to amplification rectification circuit.
3. transformer station according to claim 1 and 2 lamp light control system, it is characterized in that, CAN bus control unit and LAN controller that described communication device comprises arm processor and is connected with arm processor, described Light Control Unit is provided with the CAN bus control unit being connected with microcontroller, described Light Control Unit is realized connection with the CAN bus control unit that communication device is connected both by CAN bus, and described communicator is connected with host computer by its LAN controller.
4. the control method of transformer station's lamp light control system, is characterized in that, comprises the following steps:
Step 1, in the microcontroller of Light Control Unit, set locking mode and on the spot unlock mode on the spot, wherein, the conversion of locking mode and unlock mode on the spot receives by microcontroller the logical signal producing when locking switch switches on the spot and controls on the spot;
Step 2, startup transformer station lamp light control system,
Step 3, operating personnel are chosen as unlock mode or on the spot locking mode on the spot by the locking switch on the spot switching on control panel on the spot;
If transformer station's lamp light control system mode of operation is unlock mode on the spot, its control mode is: microcontroller judges the state when front loop by the state of current transformer, when current transformer detects electric current, microcontroller is confirmed current supply circuit unlatching, when current transformer detects electric current, microcontroller confirmation current supply circuit is not closed, microcontroller confirms that the backward host computer report of current loop state is when the state of headlight, when host computer is during to the order of microcontroller transmit button, the conversion of microprocessor controls relay, feedback by current transformer is confirmed whether switch lamp again, after being confirmed whether switch lamp again to host computer transmit operation result, the effective value of current transformer after the repeatedly conversion of microcontroller by relay, do not detected yet, to host computer, send mistake or Trouble Report,
If transformer station's lamp light control system mode of operation is locking mode on the spot, its control mode: microcontroller shields the operational order from host computer after receiving the logical signal that locking switch is opened on the spot, and the signal value detecting by current transformer judges the real-time status of current lamp and reports to host computer, when operating personnel press rocker switch, the state of microprocessor controls relay is changed and is kept, and sends current loop works state to host computer simultaneously.
Priority Applications (1)
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| CN201410394085.6A CN104125693B (en) | 2014-08-12 | 2014-08-12 | The control method of transformer station's lamp light control system |
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| CN201410394085.6A CN104125693B (en) | 2014-08-12 | 2014-08-12 | The control method of transformer station's lamp light control system |
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| CN104125693A true CN104125693A (en) | 2014-10-29 |
| CN104125693B CN104125693B (en) | 2016-04-06 |
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| CN104850101A (en) * | 2015-05-11 | 2015-08-19 | 国家电网公司 | Remote switch device control system with load detection |
| CN106604457A (en) * | 2016-12-06 | 2017-04-26 | 中国船舶重工集团公司第七0五研究所 | Underwater-lamp dynamic brightness control system based on ambient light detection and method thereof |
| CN113709956A (en) * | 2021-08-11 | 2021-11-26 | 国网河北省电力有限公司衡水供电分公司 | Light remote control system, transformer substation light remote control system and method |
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