CN104362728A - Power loss control device of full-aperture power generation data collecting system - Google Patents
Power loss control device of full-aperture power generation data collecting system Download PDFInfo
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- CN104362728A CN104362728A CN201410553225.XA CN201410553225A CN104362728A CN 104362728 A CN104362728 A CN 104362728A CN 201410553225 A CN201410553225 A CN 201410553225A CN 104362728 A CN104362728 A CN 104362728A
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Abstract
The invention provides a power loss control device of a full-aperture power generation data collecting system. The power loss control device comprises an alternating power loss voltage support circuit, an alternating power loss monitoring loop, a power generation data collecting module, a signal processing module and a signal sending module. The alternating power loss voltage support circuit comprises an alternating-current output end, a switch power supply, a direct-current output end, a super-capacitor module and a direct-current controller. The alternating-current output end is connected with the direct-current output end through the switch power supply. The super-capacitor module is connected with the direct-current output end through the direct-current controller. The alternating-current output end outputs the alternating current to supply power. The direct-current output end outputs the voltage stabilizing direct current to supply power. The alternating power loss monitoring loop comprises an intermediate relay internally provided with a coil and a contact. The coil is connected with the alternating-current output end. The contact is connected with the signal processing module. The power generation data collecting module is connected with the signal processing module. The signal processing module is connected with the signal sending module. By the use of the power loss control device, relayed power supply is achieved.
Description
Technical field
The present invention relates to generating data acquisition technology field, particularly relate to a kind of power loss control apparatus of unified generating data acquisition system.
Background technology
The unified generating data acquisition module of existing STDA2000, utilize Beidou satellite transmission technology, data monitoring and concentration of transmissions process are carried out to the small power generation plant stand of a large amount of remote districts, for small-sized plant stand monitoring provides the reliable and stable low cost total solution meeting power industry safety requirements.But due to the discontinuity of Power supply in small-sized station; often can have a power failure; can quit work because of dead electricity at any time in system use procedure, cause signal receiving end not receive data message, and cannot judge that communication failure, equipment fault or small-sized plant stand have a power failure.This just needs when plant stand has a power failure, and system can be powered a period of time in time delay, and last image data when having a power failure and warning information are sent to command centre's receiving terminal.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of power loss control apparatus of unified generating data acquisition system.
The power loss control apparatus of a kind of unified generating data acquisition system that the present invention proposes, comprising: exchange dead electricity voltage support circuit, exchange dead electricity monitoring circuit, generate electricity data acquisition module, signal processing module and signal transmitting module;
Exchange dead electricity voltage support circuit to comprise: alternating current output, Switching Power Supply, DC output end, super capacitor module and DC controller; Alternating current output connects DC output end by Switching Power Supply; Super capacitor module connects DC output end by DC controller; Alternating current output output AC electricity is powered, and DC output end exports direct current of voltage regulation and powers;
Exchange dead electricity monitoring circuit and comprise auxiliary relay, be provided with coil and contact in auxiliary relay, contact has the first state and the second state; Coil connects alternating current output, and contact connection signal processing module also carries signal by the switching of the first state and the second state to signal processing module;
Generating data acquisition module connection signal processing module, signal processing module connection signal sending module;
Under alternating current normal power supply state, alternating current output output AC electricity, Switching Power Supply exports direct current as power supply to after AC rectification by DC output end, and direct current charges to super capacitor module through DC controller; Alternating current is coil power supply, and contact realizes the first state; Generating data collecting module collected generating Data Concurrent gives signal processing module, and signal processing module is sent by signal transmitting module after processing generating data;
Under alternating current power failure state, Switching Power Supply dead electricity, the electric discharge of super capacitor module is also exported by DC output end after being changed by DC controller; Coil losing electricity, contact realizes the second state makes signal processing module receive on-off model, and signal processing module is generated dead electricity alarm signal and sent by signal transmitting module; Generating data collecting module collected generating Data Concurrent gives signal processing module, and signal processing module is processed generating data and sent by signal transmitting module.
Preferably, contact is normally-closed contact, and its first state is off state, and the second state is closure state.
Preferably, contact is normally opened contact, and its first state is closure state, and the second state is off state.
Preferably, data acquisition module is generated electricity for generating data pick-up or generating data transmitter.
Preferably, signal transmitting module adopts Beidou subscriber machine.
Preferably, signal transmitting module connects DC output end to draw electric energy.
Preferably, signal processing module connects DC output end to draw electric energy.
In the present invention, be provided with super capacitor module as stand-by power supply, and arrange DC controller and assist super capacitor module to carry out discharge and recharge, during charging, DC controller draws electric energy by DC output end and is filled with super capacitor module and carries out electric power storage; During electric discharge, super capacitor module electric discharge and through DC controller be converted to after direct current of voltage regulation by DC output end export be that follow-up equipment is powered.In the present invention, stand-by power supply carries out electric power storage by main power source, and when main power source dead electricity, the electric energy of storage is discharged to replace main power source to power, when both ensure that main power source dead electricity, the normal work of follow-up current consuming apparatus, avoid Loss of power failure to cause damage, turn avoid otherwise designed stand-by power supply, be conducive to reducing costs.
The present invention adopts super capacitor as energy-storage travelling wave tube, especially small power generation plant stand is applicable to, it is powered for power loss control apparatus time delay, so that power outage can be informed command centre by power loss control apparatus timely, command centre is facilitated to grasp the real time status of small-sized plant stand, non-control is had a power failure and keeps in repair in time, ensure that the normal electricity of small-sized plant stand is produced.Meanwhile, super capacitor can also meet the constant current-supplying of STDA2000 unified generating data acquisition system holding state and data and launch instantaneous big current and power, the situation avoiding power outage to cause the generating data of the collection of acquisition system can not sending in time.
In the present invention, while generating data collecting module collected generating data, also gather dead electricity signal by auxiliary relay monitoring power failure state, the Timeliness coverage for dead electricity information provides dual guarantee, avoids that dead electricity information is out in the cold thus cause can not the situation of on-call maintenance.
Accompanying drawing explanation
Fig. 1 is the power loss control apparatus structural representation of a kind of unified generating data acquisition system that embodiment 1 proposes;
Fig. 2 is the power loss control apparatus structural representation of a kind of unified generating data acquisition system that embodiment 2 proposes.
Embodiment
Embodiment 1
With reference to Fig. 1, the power loss control apparatus of a kind of unified generating data acquisition system that the present invention proposes comprises: exchange dead electricity voltage support circuit, exchange dead electricity monitoring circuit, generate electricity data acquisition module, signal processing module and signal transmitting module.
Exchange dead electricity voltage support circuit to comprise: alternating current output terminals A C, Switching Power Supply, DC output end DC, super capacitor module and DC controller.Alternating current output terminals A C connects DC output end DC by Switching Power Supply, and super capacitor module connects DC output end DC by DC controller.
Alternating current output terminals A C output AC electricity is powered, and Switching Power Supply can carry out rectification to alternating current and be converted into direct current being exported by DC output end DC, and the direct current of voltage regulation that DC output end DC exports can be follow-up power electricity consuming apparatus.Super capacitor module can be used as stand-by power supply and uses, and carries out discharge and recharge by DC controller, and during charging, DC controller draws electric energy by DC output end DC and is filled with super capacitor module and carries out electric power storage; During electric discharge, super capacitor module electric discharge and through DC controller be converted to after direct current of voltage regulation by DC output end DC export be that follow-up equipment is powered.
Exchange dead electricity monitoring circuit and comprise auxiliary relay, be provided with coil KA and normally-closed contact KA1 in auxiliary relay, coil KA connects alternating current output terminals A C, normally-closed contact KA1 connection signal processing module.
Normally-closed contact KA1 has to obtain electric disconnection, the characteristic that dead electricity is closed, thus has the first state and the second state, and the first state is off state, and the second state is closure state.Namely can produce electric potential field when coil KA is energized, normally-closed contact KA1 disconnects realizing the first state due to electric potential field effect; During coil KA dead electricity, electric potential field disappears, and normally-closed contact KA1 is closed to realize the second state.Signal processing module can close along with normally-closed contact KA1 and receive on-off model " 1 ", thus obtains coil KA dead electricity information.In present embodiment, coil KA is powered by alternating current output terminals A C, and namely coil KA dead electricity represents alternating current dead electricity.
Generating data acquisition module connection signal processing module, signal processing module connection signal sending module.Generating data acquisition module is generating data pick-up, and signal transmitting module adopts Beidou subscriber machine.
Generating data acquisition module delivers to signal processing module for gathering generating Data Concurrent, signal processing module carries out sending to the destination objects such as command centre by signal transmitting module, so that power generation situation is understood in time by command centre after target information is extracted in process to generating data.
In present embodiment, the alternating current dead electricity signal that signal processing module is gathered by auxiliary relay also sends to command centre by signal transmitting module, so that command centre makes maintenance process in time.
In present embodiment, signal processing module and signal transmitting module are all connected DC output end DC to draw electric energy.
The power loss control apparatus specific works principle of the unified generating data acquisition system that present embodiment provides is as follows.
Under alternating current normal power supply state, alternating current output terminals A C output AC electricity, Switching Power Supply exports direct current as power supply to after AC rectification by DC output end DC, and direct current charges to super capacitor module through DC controller; Alternating current is that coil KA powers, and normally-closed contact KA1 obtains electric disconnection to realize the first state; Generating data collecting module collected generating Data Concurrent gives signal processing module, and signal processing module is sent by signal transmitting module after processing generating data.
Under alternating current power failure state, Switching Power Supply dead electricity, the super capacitor module time delay of enabling power supply is in support powered, and is specially the electric discharge of super capacitor module and is exported with the normal power supply keeping DC output end DC by DC output end DC after being changed by DC controller; Coil KA dead electricity, normally-closed contact KA1 dead electricity closes second state that realizes makes signal processing module receive on-off model " 1 " as dead electricity signal, and signal processing module is generated dead electricity alarm signal and also sent by signal transmitting module; The up-to-date generating data gathered before alternating current dead electricity are sent to signal processing module by generating data acquisition module, signal processing module processes generating data and sends to command centre etc. by signal transmitting module, so that command centre grasps dead electricity situation, judge in time and process; In addition, generating data acquisition module can also continue to gather generating data, so that command centre grasps up-to-date information in real time.
Embodiment 2
With reference to Fig. 2, the power loss control apparatus of a kind of unified generating data acquisition system that the present invention proposes comprises: exchange dead electricity voltage support circuit, exchange dead electricity monitoring circuit, generate electricity data acquisition module, signal processing module and signal transmitting module.
Exchange dead electricity voltage support circuit to comprise: alternating current output terminals A C, Switching Power Supply, DC output end DC, super capacitor module and DC controller.Alternating current output terminals A C connects DC output end DC by Switching Power Supply, and super capacitor module connects DC output end DC by DC controller.
Alternating current output terminals A C output AC electricity is powered, and Switching Power Supply can carry out rectification to alternating current and be converted into direct current being exported by DC output end DC, and the direct current of voltage regulation that DC output end DC exports can be follow-up power electricity consuming apparatus.Super capacitor module can be used as stand-by power supply and uses, and carries out discharge and recharge by DC controller, and during charging, DC controller draws electric energy by DC output end DC and is filled with super capacitor module and carries out electric power storage; During electric discharge, super capacitor module electric discharge and through DC controller be converted to after direct current of voltage regulation by DC output end DC export be that follow-up equipment is powered.
Exchange dead electricity monitoring circuit and comprise auxiliary relay, be provided with coil KA and normally opened contact KA1 ' in auxiliary relay, coil KA connects alternating current output terminals A C, normally opened contact KA1 ' connection signal processing module.
Normally opened contact KA1 ' has electric closed, the characteristic that dead electricity disconnects, thus has the first state and the second state, and the first state is closure state, and the second state is off state.Namely can produce electric potential field when coil KA is energized, normally opened contact KA1 ' is closed to realize the first state due to electric potential field effect; During coil KA dead electricity, electric potential field disappears, and normally opened contact KA1 ' disconnects to realize the second state.Signal processing module can disconnect along with normally opened contact KA1 ' and receive on-off model " 0 ", thus obtains coil KA dead electricity information.In present embodiment, coil KA is powered by alternating current output terminals A C, and namely coil KA dead electricity represents alternating current dead electricity.
Generating data acquisition module connection signal processing module, signal processing module connection signal sending module.Generating data acquisition module is generating data transmitter, and signal transmitting module adopts Beidou subscriber machine.
Generating data acquisition module delivers to signal processing module for gathering generating Data Concurrent, signal processing module carries out sending to the destination objects such as command centre by signal transmitting module, so that power generation situation is understood in time by command centre after target information is extracted in process to generating data.
In present embodiment, the alternating current dead electricity signal that signal processing module is gathered by auxiliary relay also sends to command centre by signal transmitting module, so that command centre makes maintenance process in time.
In present embodiment, signal processing module and signal transmitting module are all connected DC output end DC to draw electric energy.
The power loss control apparatus specific works principle of the unified generating data acquisition system that present embodiment provides is as follows.
Under alternating current normal power supply state, alternating current output terminals A C output AC electricity, Switching Power Supply exports direct current as power supply to after AC rectification by DC output end DC, and direct current charges to super capacitor module through DC controller; Alternating current is that coil KA powers, normally opened contact KA1 ' electric closed to realize the first state and to signal processing module transmit button amount signal " 1 "; Generating data collecting module collected generating Data Concurrent gives signal processing module, and signal processing module is sent by signal transmitting module after processing generating data.
Under alternating current power failure state, Switching Power Supply dead electricity, the super capacitor module time delay of enabling power supply is in support powered, and is specially the electric discharge of super capacitor module and is exported with the normal power supply keeping DC output end DC by DC output end DC after being changed by DC controller; Coil KA dead electricity, normally opened contact KA1 ' dead electricity disconnects and makes signal processing module receive on-off model " 0 " as dead electricity signal to realize the second state, and signal processing module is generated dead electricity alarm signal and also sent by signal transmitting module; The up-to-date generating data gathered before alternating current dead electricity are sent to signal processing module by generating data acquisition module, signal processing module processes generating data and sends to command centre etc. by signal transmitting module, so that command centre grasps dead electricity situation, judge in time and process; In addition, generating data acquisition module can also continue to gather generating data, so that command centre grasps up-to-date information in real time.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a power loss control apparatus for unified generating data acquisition system, is characterized in that, comprising: exchange dead electricity voltage support circuit, exchange dead electricity monitoring circuit, generate electricity data acquisition module, signal processing module and signal transmitting module;
Exchange dead electricity voltage support circuit to comprise: alternating current output (AC), Switching Power Supply, DC output end (DC), super capacitor module and DC controller; Alternating current output (AC) connects DC output end (DC) by Switching Power Supply; Super capacitor module connects DC output end (DC) by DC controller; Alternating current output (AC) output AC electricity is powered, and DC output end (DC) exports direct current of voltage regulation and powers;
Exchange dead electricity monitoring circuit and comprise auxiliary relay, be provided with coil (KA) and contact (KA1) in auxiliary relay, contact (KA1) has the first state and the second state; Coil (KA) connects alternating current output (AC), and contact (KA1) connection signal processing module also carries signal by the switching of the first state and the second state to signal processing module;
Generating data acquisition module connection signal processing module, signal processing module connection signal sending module;
Under alternating current normal power supply state, alternating current output (AC) output AC electricity, Switching Power Supply exports direct current as power supply to after AC rectification by DC output end (DC), and direct current charges to super capacitor module through DC controller; Alternating current is coil (KA) power supply, and contact (KA1) realizes the first state; Generating data collecting module collected generating Data Concurrent gives signal processing module, and signal processing module is sent by signal transmitting module after processing generating data;
Under alternating current power failure state, Switching Power Supply dead electricity, the electric discharge of super capacitor module also exports by passing through DC output end (DC) after DC controller conversion; Coil (KA) dead electricity, contact (KA1) realizes the second state makes signal processing module receive on-off model, and signal processing module is generated dead electricity alarm signal and sent by signal transmitting module; Generating data collecting module collected generating Data Concurrent gives signal processing module, and signal processing module is processed generating data and sent by signal transmitting module.
2. the power loss control apparatus of unified generating data acquisition system as claimed in claim 1, is characterized in that, contact (KA1) is normally-closed contact, and its first state is off state, and the second state is closure state.
3. the power loss control apparatus of unified generating data acquisition system as claimed in claim 1, is characterized in that, contact (KA1) is normally opened contact, and its first state is closure state, and the second state is off state.
4. the power loss control apparatus of unified generating data acquisition system as claimed in claim 1, is characterized in that, generating data acquisition module is generating data pick-up or generating data transmitter.
5. the power loss control apparatus of unified generating data acquisition system as claimed in claim 1, is characterized in that, signal transmitting module adopts Beidou subscriber machine.
6. the power loss control apparatus of the unified generating data acquisition system as described in any one of claim 1 to 5, is characterized in that, signal transmitting module connects DC output end (DC) to draw electric energy.
7. the power loss control apparatus of the unified generating data acquisition system as described in any one of claim 1 to 5, is characterized in that, signal processing module connects DC output end (DC) to draw electric energy.
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