CN204258422U - A kind of lightening detection station from far-off regions dual power supply device - Google Patents
A kind of lightening detection station from far-off regions dual power supply device Download PDFInfo
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- CN204258422U CN204258422U CN201420607293.5U CN201420607293U CN204258422U CN 204258422 U CN204258422 U CN 204258422U CN 201420607293 U CN201420607293 U CN 201420607293U CN 204258422 U CN204258422 U CN 204258422U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of lightening detection station from far-off regions dual power supply device, comprise mains-supplied module and solar photovoltaic powered module, described mains-supplied module provides High Level AC Voltage, described High Level AC Voltage reduces to low-voltage AC through step-down transformer, low-voltage AC successively series rectifier bridge and filter capacitor obtains low-voltage dc power supply, connects lightning monitoring device again after source-series first diode of low-voltage DC; Solar photovoltaic powered module comprises photovoltaic voltage output, and described photovoltaic voltage output connects hysteresis comparison control circuit, and hysteresis comparison control circuit connects lightning monitoring device after connecting the second diode again.The utility model is with low cost, reasonable in design, structure is simple, reliable, non-maintaining.
Description
Technical field
The utility model relates to dual power supply device, more particularly, relates to a kind of lightening detection station from far-off regions dual power supply device.
Background technology
Remote districts are as little in the ground such as Xinjiang, the Tibet density of population, and supply of electric power is unstable, only has supply of electric power in several hours in one day often, and the frequency that thunder and lightning occurs in highlands is higher, harm power supply circuit.Conveniently overhaul, power department has installed lightening detection work station, monitoring thunderbolt occur when and where, instruct electric power first-aid work, therefore study lightening detection station electric supply installation also tool have very important significance.
The lightening detection product of author place company adopts AC-powered in the normal area of commercial power supply, due to unstable at civil power from far-off regions, adopt photovoltaic power supply system, photovoltaic DC-to-AC converter inverse of the DC into AC, but in High aititude remote districts, maintenance is inconvenient, and inverter often damages because of heat dissipation problem.The lightening detection product that author place company designs for remote districts adopts direct current supply.DC power supply requires 9 volts to 32 volts high stability dc power supplies, and direct voltage ripple must not be greater than ± 20mV, and power supply ripple is greater than this restriction, and lightening detection device can be monitored by mistake thunderbolt event is occurred, and affects lightning monitoring result.If directly adopt direct current supply, then the voltage of storage battery being pulsed can affect lightning monitoring result.
Summary of the invention
The technical problems to be solved in the utility model is, a kind of prevent battery tension from rising to ring width that float charge voltage rationally arranges hysteresis comparator is provided, makes storage battery be in charging and discharging state and the lightning monitoring device lightening detection station from far-off regions dual power supply device that also can stably work.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of lightening detection station from far-off regions dual power supply device, comprise mains-supplied module and solar photovoltaic powered module, described mains-supplied module provides High Level AC Voltage, described High Level AC Voltage reduces to low-voltage AC through step-down transformer, low-voltage AC successively series rectifier bridge and filter capacitor obtains low-voltage dc power supply, connects lightning monitoring device again after source-series first diode of low-voltage DC; Solar photovoltaic powered module comprises photovoltaic voltage output, and described photovoltaic voltage output connects hysteresis comparison control circuit, and hysteresis comparison control circuit connects lightning monitoring device after connecting the second diode again.
By such scheme, described step-down transformer is single-phase transformer.
By such scheme, described rectifier bridge is single-phase rectification bridge.
By such scheme, described hysteresis comparison control circuit comprises the hysteresis comparison control device be directly connected with solar photovoltaic powered module, the output of hysteresis comparison control device connects the input of photovoltaic controller, photovoltaic controller connects photovoltaic storage battery, and the output of photovoltaic controller connects the second diode.
By such scheme, described solar photovoltaic powered module comprises solar energy photovoltaic panel, and solar energy photovoltaic panel is provided with input terminal, and hysteresis comparison control device is provided with relay, and input terminal is connected with relay.
By such scheme, described photovoltaic controller is provided with accumulation of energy terminal, and accumulation of energy terminal is connected with photovoltaic storage battery.
By such scheme, described hysteresis comparison control device comprises binding post, the external battery positive voltage of described binding post the 2nd pin, inside connect first resistance one end, the first resistance other end connects a pin of adjustable resistance and the negative terminal of hysteresis comparator respectively, 1st pin of another termination binding post of adjustable resistance, 1st pin of binding post connects battery terminal negative outward simultaneously, storage battery negative very, after the voltage of storage battery is carried out dividing potential drop by adjustable resistance, get the sampled voltage of the voltage on adjustable resistance as hysteresis comparator; The anode of hysteresis comparator is connect after power sources in series second resistance of 12V, 3rd resistance connects anode and the output two ends of hysteresis comparator, the anode of the output termination comparator of hysteresis comparator, the power supply of 12V connects the negative terminal of comparator, comparator output terminal connects one end of the 4th resistance, the gate pole of the 4th another termination switching tube of resistance, and switching tube emitter connects ground, collector connecting relay control coil one end of switching tube, the power supply of another termination 15V of relay control coil; The power supply terminal positive pole of hysteresis comparator and comparator connects the power supply of 15V, minus earth; The normally opened contact of the positive terminal series relay control of solar energy photovoltaic panel.
Implement one of the present utility model lightening detection station from far-off regions dual power supply device, there is following beneficial effect:
1, two kinds of power supplys are by diode selection, and save automatic strobe unit, cost is low.
2, realize, by the charge cutoff voltage of hysteresis comparison control control circui storage battery and discharge cut-off voltage, battery-operated can being prevented in floating charge state, reduce the useful life of storage battery, hysteresis comparison control breadboardin circuit is formed, reliably safe and simple;
3, the DC power supply of high stable can be provided for lightning monitoring device, ensure the normal work of lightening detection device;
4, two kinds of power supplys can be made to work alone, can not form circulation between two kinds of power supplys, affect lightening detection device and normally work, preferentially select solar powered, saves energy, adopt two kinds of supply power modes, its reliability is greatly improved;
5, high stability dc power supply can be provided for load;
6, reasonable in design, structure is simple, reliable, non-maintaining.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, a kind of lightening detection station from far-off regions of the utility model dual power supply device is described further, in accompanying drawing:
Fig. 1 is the structural representation of a kind of lightening detection station from far-off regions of the utility model dual power supply device;
Fig. 2 is the theory structure schematic diagram of the hysteresis comparison control device of a kind of lightening detection station from far-off regions of the utility model dual power supply device;
Fig. 3 is the photovoltaic power supply power work simulation figure of a kind of lightening detection station from far-off regions of the utility model dual power supply device.
In figure: J1, binding post, R1, adjustable resistance, R2, the first resistance, R3, the second resistance, R4, the 3rd resistance, R5, the 4th resistance, U1, hysteresis comparator, U2, comparator, U3, switching tube, D1, the first diode, D2, the second diode.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, in dual power supply device first embodiment of one of the present utility model lightening detection station from far-off regions, comprise mains-supplied module and solar photovoltaic powered module, mains-supplied module provides High Level AC Voltage, High Level AC Voltage reduces to low-voltage AC through step-down transformer, low-voltage AC successively series rectifier bridge and filter capacitor obtains low-voltage dc power supply, connects lightning monitoring device again after the source-series first diode D1 of low-voltage DC; Solar photovoltaic powered module comprises photovoltaic voltage output, and described photovoltaic voltage output connects hysteresis comparison control circuit, and hysteresis comparison control circuit connects lightning monitoring device after connecting the second diode D2 again.
Step-down transformer is single-phase transformer, rectifier bridge is single-phase rectification bridge, hysteresis comparison control circuit comprises the hysteresis comparison control device be directly connected with solar photovoltaic powered module, the output of hysteresis comparison control device connects the input of photovoltaic controller, photovoltaic controller connects photovoltaic storage battery, the output of photovoltaic controller connects the second diode D2, solar photovoltaic powered module comprises solar energy photovoltaic panel, solar energy photovoltaic panel is provided with input terminal, input terminal is connected with the relay normally open contact of hysteresis comparator, photovoltaic controller is provided with accumulation of energy terminal, hysteresis comparison control device is provided with relay, the internal structure of hysteresis comparator comprises binding post J1, the external battery positive voltage of binding post J1 the 2nd pin, inside connect first resistance R2 one end, the first resistance R2 other end connects a pin of adjustable resistance R1 and the negative terminal of hysteresis comparator U1 respectively, the other end of adjustable resistance R1 connects the 1st pin of binding post J1, 1st pin of connecting line terminal J1 connects battery terminal negative outward simultaneously, battery terminal negative can be considered ground, after the voltage of storage battery is carried out dividing potential drop by adjustable resistance R1, get the sampled voltage of the voltage on adjustable resistance R1 as hysteresis comparator U1, the anode of hysteresis comparator U1 is connect after the power sources in series first resistance R2 of 12V, 3rd resistance R4 connects anode and the output two ends of hysteresis comparator U1, the output of hysteresis comparator U1 connects the anode of comparator U2, the power supply of 12V connects the negative terminal of comparator U2, comparator U2 output connects one end of the 4th resistance R5, the gate pole of the 4th resistance R5 other end connecting valve pipe U3, switching tube U3 emitter connects ground, collector connection relay control coil one end of switching tube U3, the other end of relay control coil connects 15V power supply, hysteresis comparator U1 is connected 15V power supply, minus earth with the power supply terminal positive pole of comparator U2, the normally opened contact of the positive terminal series relay control of solar energy photovoltaic panel.
Solar energy photovoltaic panel input terminal has been connected the relay controlled by hysteresis comparison control device.
Fig. 2 is hysteresis comparison control device circuit.In figure, 12V, 15 volts of power supplys are got by three-terminal voltage-stabilizing pipe by battery feed, also can be obtained by DC/DC module.
Fig. 3 is the voltage and current oscillogram of stagnant ring comparison circuit, and after visible installation hysteresis comparison control device, the turning-on voltage of storage battery is different with shutoff voltage, when battery tension is too low, connects solar energy photovoltaic panel and charges to it; When battery tension reaches requirement, for preventing entering the PWM floating charge stage, turn off solar energy photovoltaic panel charge circuit.
Firm this device of connection, if solar energy photovoltaic panel has sunlight illumination, and battery tension is lower, be less than the charging upper limit voltage of storage battery, the voltage compare of adjustable resistance R1 both end voltage reaction storage battery is low, the anode voltage ratio negative terminal voltage of hysteresis comparator U1 is low, hysteresis comparator U1 exports high level 15V to comparator U2 anode, comparator U2 anode level is higher than negative terminal 12V voltage, comparator U2 exports high level, switching tube U3 conducting, control relay action, relay normally open contact closes, and solar energy photovoltaic panel is connected storage battery and charged to it; Charging reaches certain hour, battery tension continues to rise, reach charging upper limit, adjustable resistance R1 both end voltage is also along with rising, namely the negative terminal voltage of hysteresis comparator U1 also uprises, when hysteresis comparator U1 negative terminal level is higher than hysteresis comparator U1 anode level, hysteresis comparator U1 output low level, cause comparator U2 anode level lower than negative terminal level, comparator U2 output low level, switching tube U3 turns off, control relay dead electricity, normally opened contact disconnects, and is namely disconnected the electrical connection of solar energy photovoltaic panel and storage battery.Lightening detection apparatus power supply is by storage battery power supply, and when battery discharging voltage reaches, electric discharge is lower prescribes a time limit, and solar energy photovoltaic panel continues have Yanguan Pass to irradiate, and hysteresis comparator U1 exports high level, and comparator U2 exports high level, switching tube U3 conducting, repeats above-mentioned action; If storage battery continuous discharge, reach electric discharge lower limit, and solar energy photovoltaic panel does not have solar radiation, the output voltage of photovoltaic DC-to-AC converter is lower than the voltage of commercial power rectification, due to the existence of the second diode D2, the powered by direct current that the power supply at lightening detection station will be provided by rectifier, disconnects storage battery, utilizes commercial power rectification to become the stand-by circuit of direct current to reach power reguirements like this.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (7)
1. a lightening detection station from far-off regions dual power supply device, it is characterized in that, comprise mains-supplied module and solar photovoltaic powered module, described mains-supplied module provides High Level AC Voltage, described High Level AC Voltage reduces to low-voltage AC through step-down transformer, low-voltage AC successively series rectifier bridge and filter capacitor obtains low-voltage dc power supply, connects lightning monitoring device again after source-series first diode of low-voltage DC; Solar photovoltaic powered module comprises photovoltaic voltage output, and described photovoltaic voltage output connects hysteresis comparison control circuit, and hysteresis comparison control circuit connects lightning monitoring device after connecting the second diode again.
2. lightening detection station from far-off regions according to claim 1 dual power supply device, it is characterized in that, described step-down transformer is single-phase transformer.
3. lightening detection station from far-off regions according to claim 1 dual power supply device, it is characterized in that, described rectifier bridge is single-phase rectification bridge.
4. lightening detection station from far-off regions according to claim 1 dual power supply device, it is characterized in that, described hysteresis comparison control circuit comprises the hysteresis comparison control device be directly connected with solar photovoltaic powered module, the output of hysteresis comparison control device connects the input of photovoltaic controller, photovoltaic controller connects photovoltaic storage battery, and the output of photovoltaic controller connects the second diode.
5. lightening detection station from far-off regions according to claim 4 dual power supply device, it is characterized in that, described solar photovoltaic powered module comprises solar energy photovoltaic panel, solar energy photovoltaic panel is provided with input terminal, hysteresis comparison control device is provided with relay, and input terminal is connected with relay.
6. lightening detection station from far-off regions according to claim 4 dual power supply device, it is characterized in that, described photovoltaic controller is provided with accumulation of energy terminal, and accumulation of energy terminal is connected with photovoltaic storage battery.
7. lightening detection station from far-off regions according to claim 4 dual power supply device, it is characterized in that, described hysteresis comparison control device comprises binding post, the external battery positive voltage of described binding post the 2nd pin, inside connect first resistance one end, the first resistance other end connects a pin of adjustable resistance and the negative terminal of hysteresis comparator respectively, 1st pin of another termination binding post of adjustable resistance, 1st pin of binding post connects battery terminal negative outward simultaneously, storage battery negative very, after the voltage of storage battery is carried out dividing potential drop by adjustable resistance, get the sampled voltage of the voltage on adjustable resistance as hysteresis comparator, the anode of hysteresis comparator is connect after power sources in series second resistance of 12V, 3rd resistance connects anode and the output two ends of hysteresis comparator, the anode of the output termination comparator of hysteresis comparator, the power supply of 12V connects the negative terminal of comparator, comparator output terminal connects one end of the 4th resistance, the gate pole of the 4th another termination switching tube of resistance, and switching tube emitter connects ground, collector connecting relay control coil one end of switching tube, the power supply of another termination 15V of relay control coil, the power supply terminal positive pole of hysteresis comparator and comparator connects the power supply of 15V, minus earth, the normally opened contact of the positive terminal series relay control of solar energy photovoltaic panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607293.5U CN204258422U (en) | 2014-10-21 | 2014-10-21 | A kind of lightening detection station from far-off regions dual power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607293.5U CN204258422U (en) | 2014-10-21 | 2014-10-21 | A kind of lightening detection station from far-off regions dual power supply device |
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| CN204258422U true CN204258422U (en) | 2015-04-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759930A (en) * | 2018-08-01 | 2018-11-06 | 郑州源创智控有限公司 | The grain feelings of more power supplies and communication mode are supported to detect extension set |
| CN111463799A (en) * | 2020-04-09 | 2020-07-28 | 云南电网有限责任公司电力科学研究院 | Power supply device and power supply method of voltage monitor |
-
2014
- 2014-10-21 CN CN201420607293.5U patent/CN204258422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759930A (en) * | 2018-08-01 | 2018-11-06 | 郑州源创智控有限公司 | The grain feelings of more power supplies and communication mode are supported to detect extension set |
| CN111463799A (en) * | 2020-04-09 | 2020-07-28 | 云南电网有限责任公司电力科学研究院 | Power supply device and power supply method of voltage monitor |
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