CN211606173U - Emergency power supply for wind power control storage - Google Patents

Emergency power supply for wind power control storage Download PDF

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Publication number
CN211606173U
CN211606173U CN201922360013.0U CN201922360013U CN211606173U CN 211606173 U CN211606173 U CN 211606173U CN 201922360013 U CN201922360013 U CN 201922360013U CN 211606173 U CN211606173 U CN 211606173U
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China
Prior art keywords
lead
acid battery
power supply
super capacitor
emergency
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CN201922360013.0U
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Chinese (zh)
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李南洲
范建红
王海威
丁军军
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Daimeike Power System Technology Wuhan Co ltd
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Daimeike Power System Technology Wuhan Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a be used for wind-powered electricity generation control storage emergency power supply specifically includes: the system comprises a switching power supply, a super capacitor fuse, a super capacitor module, a lead-acid battery fuse, a lead-acid battery, electric equipment, a protection control module and a lead-acid battery relay; the switch power supply is used for supplying power to the control and data storage unit under normal conditions, and when the switch power supply fails, the super capacitor module and the lead-acid battery supply power; when the lead-acid battery fails, the protection control module controls the lead-acid battery fuse and the lead-acid battery relay to be disconnected, so that the super capacitor module supplies power to the control and data storage unit. The utility model has the advantages that: the super capacitor is provided to maintain power supply when the lead-acid battery fails, and the protection circuit is arranged to cut off the connection between the lead-acid battery and the super capacitor when the lead-acid battery fails, so that the super capacitor is not influenced to continue to supply power.

Description

Emergency power supply for wind power control storage
Technical Field
The utility model relates to a power supply unit field especially relates to a be used for wind-powered electricity generation control storage emergency power supply.
Background
In a wind power control system, a plurality of PLC control and data storage units are arranged. When power is cut off, an emergency power supply is needed to supply power, so that the emergency power supply can continuously work for a period of time and store historical and current data. The traditional approach is to connect lead-acid batteries in parallel on the switching power supply that supplies these control and data storage units, but since wind power projects are mostly remote and the environmental conditions are harsh, maintenance of the lead-acid batteries is very difficult, and emergency power cannot be provided once they are damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to the problem that prior art exists, provide one kind and be used for wind-powered electricity generation control storage emergency power supply, the parallelly connected super capacitor group that has inserted when adding plumbic acid battery to lead acid battery protection circuit module has been added, in case plumbic acid battery damages can also maintain data storage through the super capacitor power supply. Because the charging and discharging service life of the super capacitor reaches millions of times and the super capacitor has strong high and low temperature resistance, the reliable work of the control and data storage unit can be ensured under the conditions that the battery is easy to damage due to the severe environment and cannot be maintained in time.
The utility model discloses a be used for wind-powered electricity generation control storage emergency power supply, specifically include:
the device comprises a switching power supply, a super capacitor module, a lead-acid battery and a protection control module; the switch power supply is electrically connected with the super capacitor module and the lead-acid battery respectively and is used for supplying power under normal conditions; the super capacitor module is electrically connected with the lead-acid battery and is used for supplying power in emergency; the protection control module is electrically connected with the lead-acid battery and used for circuit protection in emergency.
Further, the emergency power supply for wind power control storage further comprises electric equipment, a super capacitor fuse, a lead-acid battery fuse and a lead-acid battery relay.
Furthermore, the super capacitor fuse and the lead-acid battery fuse are respectively installed on the power supply loops of the super capacitor module and the lead-acid battery, so that power supply safety under dangerous conditions is ensured; the first end of the lead-acid battery relay is connected with the lead-acid battery fuse in series, the second end of the lead-acid battery relay is connected with the anode of the lead-acid battery, and the third end of the lead-acid battery relay is electrically connected with the protection control module.
Further, the lead-acid batteries are provided with a plurality of groups which are connected in series.
Further, the super capacitor module and the lead-acid battery are connected in parallel.
Furthermore, the lead-acid battery is also provided with a plurality of power indicator lamps, and each power indicator lamp corresponds to each group of lead-acid battery one to one and is used for monitoring the working state of the lead-acid battery.
When the indicator light is on, the lead-acid battery is indicated to work normally; and when the indicator light is not on, indicating that the lead-acid battery is in failure.
The utility model provides a beneficial effect that technical scheme brought is: the super capacitor is provided to maintain power supply when the lead-acid battery fails, and the protection circuit is arranged to cut off the connection between the lead-acid battery and the super capacitor when the lead-acid battery fails, so that the super capacitor is not influenced to continue to supply power.
Drawings
Fig. 1 is a structural diagram of an emergency power supply for wind power control and storage according to an embodiment of the present invention;
fig. 2 is a schematic power supply diagram of an emergency power supply for wind power control storage in an embodiment of the present invention under a normal condition;
fig. 3 is a schematic diagram of power supply of the emergency power supply for wind power control and storage in a first emergency of the embodiment of the present invention;
fig. 4 is the utility model discloses among the embodiment one kind is used for wind-powered electricity generation control to store under the emergent power supply second emergency power supply schematic diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a diagram of an embodiment of the present invention provides an emergency power supply for wind power control storage, which specifically includes:
the device comprises a switching power supply 1, a super capacitor module 3, a lead-acid battery 5 and a protection control module 7; the switch power supply is electrically connected with the super capacitor module 3 and the lead-acid battery 5 respectively and is used for supplying power under normal conditions; the super capacitor module 3 is electrically connected with the lead-acid battery 5 and is used for supplying power in an emergency; the protection control module 7 is electrically connected with the lead-acid battery 5 and used for circuit protection in emergency.
The emergency power supply for wind power control storage further comprises an electric device 6, a super capacitor fuse 2, a lead-acid battery fuse 4 and a lead-acid battery relay 8; the super capacitor fuse 2 and the lead-acid battery fuse 4 are respectively arranged on power supply loops of the super capacitor module 3 and the lead-acid battery 5, so that power supply safety under dangerous conditions is ensured; the first end of the lead-acid battery relay 8 is connected with the lead-acid battery fuse 4 in series, the second end of the lead-acid battery relay is connected with the positive electrode of the lead-acid battery 5, and the third end of the lead-acid battery relay is electrically connected with the protection control module 7.
A plurality of groups of lead-acid batteries 5 are connected in series; the super capacitor module 3 and the lead-acid battery 5 are connected in parallel.
In this embodiment, two groups of lead-acid batteries are connected in series, and one group of super capacitor modules are connected in parallel, and the specific connection form is as follows: the positive pole of the first group of lead-acid batteries is connected with the positive pole of the super capacitor module, the negative pole of the first group of lead-acid batteries is connected with the positive pole of the second group of lead-acid batteries, and the negative pole of the second group of lead-acid batteries is connected with the negative pole of the super capacitor module.
The power utilization equipment 6 comprises a PLC and a data storage unit corresponding to the PLC, and is respectively used for power utilization of the wind power control system and storage of current power data and historical power data in the wind power control system.
The lead-acid battery 5 is also provided with a plurality of power indicator lamps, and each power indicator lamp corresponds to each group of lead-acid batteries one by one and is used for monitoring the working state of the lead-acid battery 5; when the indicator light is on, the lead-acid battery 5 is indicated to work normally; when the indicator light is not on, the failure of the lead-acid battery 5 is indicated.
In this embodiment, two lead-acid batteries are used, so the number of the indicator lights is two, and since the lead-acid batteries are connected in series, the whole lead-acid battery pack is in a fault state as long as at least one indicator light is not on.
The emergency power supply for wind power control storage is characterized in that under a normal condition, the switching power supply 1 supplies power to the electric equipment 6, and the lead-acid battery 5 and the super capacitor module 3 are in a floating charge state under the action of the switching power supply 6 and do not work; the normal condition specifically refers to: the output voltage of the switching power supply 1 is a normal value at its own rated voltage.
For example, if the rated output voltage of the switching power supply is 220V, the switching power supply can be considered to output normally when the output voltage of the switching power supply is between 210V and 230V, and the output voltage of the switching power supply is considered to output abnormally when the output voltage exceeds 230V or is lower than 210V.
The emergency power supply for wind power control storage is characterized in that the super capacitor module 3 and the lead-acid battery 5 supply power to the electric equipment 6 in an emergency; there are two types of emergency situations, the first is: the switch power supply has no output or the output voltage is lower than the rated value, the lead-acid battery 5 outputs normally, and the super capacitor module 3 outputs normally; the second method is as follows: the switch power supply has no output or the output voltage is lower than the rated voltage thereof, the lead-acid battery 5 has no output or the output voltage is lower than the rated voltage thereof, and the output of the super capacitor module 3 is normal.
For the first emergency, the lead-acid battery 5 and the super capacitor module 3 are used together as a standby emergency power supply to supply power to the user equipment 6; for the second emergency, the user equipment 6 is powered only by the super capacitor module 3.
For the second emergency, the super capacitor module 3 is only used to supply power to the user equipment 6, specifically: in a second emergency, the protection control module 7 controls the lead-acid battery relay 8 to be switched off, so that the power supply loop of the lead-acid battery 5 is cut off, and only the super capacitor module 3 supplies power.
Under emergency, when the lead-acid battery 5 and the super capacitor module 3 supply power, if an overcurrent phenomenon occurs, the super capacitor fuse 2 and the lead-acid battery fuse 4 can be automatically fused to protect the lead-acid battery 5 and the super capacitor module 3 from being damaged.
The utility model provides a beneficial effect that technical scheme brought is: the super capacitor is provided to maintain power supply when the lead-acid battery fails, and the protection circuit is arranged to cut off the connection between the lead-acid battery and the super capacitor when the lead-acid battery fails, so that the super capacitor is not influenced to continue to supply power.
In this document, the terms front, back, upper and lower are used to define the positions of the devices in the drawings and the positions of the devices relative to each other, and are used for the sake of clarity and convenience in technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a be used for wind-powered electricity generation control storage emergency power supply which characterized in that: the method specifically comprises the following steps: the device comprises a switching power supply (1), a super capacitor module (3), a lead-acid battery (5) and a protection control module (7); the switch power supply is electrically connected with the super capacitor module (3) and the lead-acid battery (5) respectively and used for supplying power under normal conditions; the super capacitor module (3) is electrically connected with the lead-acid battery (5) and is used for supplying power in emergency; the protection control module (7) is electrically connected with the lead-acid battery (5) and is used for circuit protection in emergency.
2. The emergency power supply for wind power control storage according to claim 1, wherein: the emergency power supply for wind power control storage further comprises an electric device (6), a super capacitor fuse (2), a lead-acid battery fuse (4) and a lead-acid battery relay (8).
3. The emergency power supply for wind power control storage according to claim 2, wherein: the super capacitor fuse (2) and the lead-acid battery fuse (4) are respectively arranged on power supply loops of the super capacitor module (3) and the lead-acid battery (5), so that power supply safety under dangerous conditions is ensured; the first end of the lead-acid battery relay (8) is connected with the lead-acid battery fuse (4) in series, the second end of the lead-acid battery relay is connected with the anode of the lead-acid battery (5), and the third end of the lead-acid battery relay is electrically connected with the protection control module (7).
4. The emergency power supply for wind power control storage according to claim 1, wherein: the lead-acid batteries (5) are connected in series.
5. The emergency power supply for wind power control storage according to claim 1, wherein: the super capacitor module (3) and the lead-acid battery (5) are connected in parallel.
6. The emergency power supply for wind power control storage according to claim 1, wherein: the lead-acid battery (5) is also provided with a plurality of power indicator lamps, and each power indicator lamp corresponds to each group of lead-acid battery one to one and is used for monitoring the working state of the lead-acid battery (5).
7. The emergency power supply for wind power control storage according to claim 6, wherein: when the indicator light is on, the lead-acid battery (5) is indicated to work normally; when the indicator light is not on, the failure of the lead-acid battery (5) is indicated.
CN201922360013.0U 2019-12-24 2019-12-24 Emergency power supply for wind power control storage Active CN211606173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922360013.0U CN211606173U (en) 2019-12-24 2019-12-24 Emergency power supply for wind power control storage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922360013.0U CN211606173U (en) 2019-12-24 2019-12-24 Emergency power supply for wind power control storage

Publications (1)

Publication Number Publication Date
CN211606173U true CN211606173U (en) 2020-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922360013.0U Active CN211606173U (en) 2019-12-24 2019-12-24 Emergency power supply for wind power control storage

Country Status (1)

Country Link
CN (1) CN211606173U (en)

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