CN210430942U - Long-acting and continuous power supply system based on renewable energy power generation - Google Patents

Long-acting and continuous power supply system based on renewable energy power generation Download PDF

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Publication number
CN210430942U
CN210430942U CN201921151981.4U CN201921151981U CN210430942U CN 210430942 U CN210430942 U CN 210430942U CN 201921151981 U CN201921151981 U CN 201921151981U CN 210430942 U CN210430942 U CN 210430942U
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storage battery
power supply
power generation
long
supply system
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李志强
李晏良
刘兰华
何财松
潘永琛
柳润东
周杨
李路夷
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China Academy of Railway Sciences Corp Ltd CARS
Energy Saving and Environmental Protection and Occupational Safety and Health Research of CARS
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China Academy of Railway Sciences Corp Ltd CARS
Energy Saving and Environmental Protection and Occupational Safety and Health Research of CARS
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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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Abstract

The utility model relates to a long-acting and continuous power supply system based on renewable energy power generation, which belongs to the technical field of renewable clean energy and comprises a new energy generator, a storage battery pack, a control module and a patch board; the new energy generator is respectively connected with the storage battery pack and the control module, the storage battery pack is connected with the control module, and the control module is connected with the patch board through the output interface. The utility model discloses a control module rationally controls the state of charging, discharging of each battery to the operating condition of each battery of the control logic adjustment that charges, discharges that is favorable to battery maintenance most, guarantee power supply system's continuous power output and long service life solve the stability and the long-term nature problem of new forms of energy generator power supply. Through the charging and discharging control logic of the storage battery pack, the working efficiency of the new energy generator is greatly improved, the service life of the storage battery is prolonged, the power supply time of the storage battery is prolonged, and the storage battery pack can be used as a power supply system of field power utilization equipment to provide long-time continuous power supply.

Description

Long-acting and continuous power supply system based on renewable energy power generation
Technical Field
The utility model relates to a long-acting and continuous power supply system applied to the field of outdoor power supply; the long-acting continuous power supply system is a continuous power supply system which combines a solar or wind energy renewable clean energy power generation device, a storage battery pack consisting of a plurality of storage batteries and a control module for controlling the charging and discharging states of the storage batteries, and belongs to the technical field of renewable clean energy.
Background
Renewable clean energy such as solar energy, wind energy and the like is developed vigorously, and the method is an important development direction for solving the energy shortage and guaranteeing the energy supply in the current international society.
In recent years, photovoltaic cell technology and wind power generation technology have been the hot research of new energy power generation technology, and small-scale application is gradually realized in the commercial field.
How to adopt the power generation technology as power utilization equipment to supply power to field operation places with difficult power supply has also been studied. The solar battery is influenced by the change of conditions such as day and night, cloudy and sunny and the like, the wind power generator is influenced by factors such as wind power and wind direction, and the problems of intermittence, unstable voltage and the like exist in the power supply mode of directly outputting power by independently adopting the solar battery or the wind power generator, so that the normal work of electric equipment can be greatly influenced. In order to ensure continuous and stable power supply of the two clean energy sources, the two clean energy sources need to be matched with a storage battery to achieve a better power supply effect.
Chinese utility model patent with patent number CN201320010259.5 discloses a solar battery, including the battery body, characterized by: the upper surface of the storage battery body is hinged with a solar panel, and the solar panel is connected with the inside of the storage battery body; the storage battery comprises a storage battery body and is characterized in that an electric quantity detection meter is arranged on the upper portion of the storage battery body and is connected with an electric quantity display arranged on the surface of the storage battery body through a controller.
The patent number CN201720563492.4 of the chinese utility model discloses a solar storage battery, which comprises a plurality of single cells, wherein conductive holes are formed on both electrodes of each single cell, and a fixing groove is annularly arranged on the inner wall of each conductive hole; the two poles of the battery monomer are also fixedly connected with conducting strips, one ends of the conducting strips are provided with through holes, and the through holes and the conducting holes are coaxial; the length of the conducting strip is equal to the diameter of the battery monomer, the other end of the conducting strip is fixedly connected with a conducting pile, a deep groove is formed in the conducting pile, a pressing rod is sleeved in the deep groove, one end of the pressing rod is connected with a fixed tooth, and the other end of the pressing rod is located outside the conducting pile; the conducting pile is provided with a side groove, and the fixed teeth are meshed with the fixed grooves through the side groove.
The patent number is CN 201220425891.1's chinese utility model patent discloses a solar street lamp battery, including battery case and battery apron, be equipped with twelve battery jars along length direction side by side in the battery case, be equipped with bleeder vent and the liquid feeding hole corresponding with each battery jar on the battery apron, be equipped with a plurality of positive plates of soaking in electrolyte and being parallel to each other in the battery jar, negative plate and baffle, separate in proper order through the baffle between positive plate and the negative plate, be equipped with anodal ear on the positive plate respectively, be equipped with the negative pole ear on the negative plate respectively, anodal ear in each battery jar is parallelly connected each other through anodal busbar, negative pole ear in each battery jar is parallelly connected each other through the negative pole busbar, the positive busbar in negative pole busbar and the adjacent battery jar is connected and makes twelve group battery establish ties in proper order.
In the above-mentioned patents of the chinese utility model, the solar cell panel is connected in series with a single storage battery or a plurality of storage batteries, and the effective power supply time of the solar cell is prolonged by charging the storage battery when the sun is present and supplying power by the storage battery when the sun is absent; the storage battery is not used up, and the charging is started again. In the past, the effective energy storage and the service life of the battery are reduced.
Therefore, the above power supply mode has three main problems. First, the electric power of the electric equipment is required to be small, or the storage battery has a large capacity, to ensure that the electric energy can be continuously output when the weather condition is poor for several days, which severely restricts the application range of the clean energy battery. Second, frequent charging and discharging of the battery, or starting the charging without running out of the battery, can greatly shorten the service life of the battery. Thirdly, when the battery breaks down, no standby power supply mode is provided to ensure that the working personnel can know the field condition, the workload of equipment maintenance and inspection is increased, and the battery is not suitable for working conditions of electric equipment in remote areas in the field and unattended working conditions.
For solving the not enough of above tripartite, the utility model discloses a plan through the parallelly connected mode of a plurality of batteries, utilize the charge-discharge state of each battery of controller control that has logic analysis function to the mode that accords with battery maintenance requirement most uses the battery, has both ensured to last the supply electric energy under the continuous extreme weather condition, effectively prolongs entire system's life again, can ensure the long-time normal operating of consumer.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of the purpose lies in solving current renewable clean energy and for example solar energy, wind energy's power supply stability and long-term nature problem, provides one kind and had both ensured to last the supply electric energy under the extreme weather condition in succession, effectively prolongs entire system's life again, can ensure long-term normal operating of consumer based on the long-term, the power supply system that lasts of renewable clean energy electricity generation.
The above object of the present invention is achieved by the following technique:
a long-acting, continuous power supply system based on renewable energy power generation, characterized by: the system mainly comprises a new energy generator, a storage battery pack, a control module and a patch board; the new energy generator is respectively connected with the storage battery pack and the control module, the storage battery pack is connected with the control module, and the control module is connected with the patch board through the output interface.
Preferably, the control module mainly comprises an electric quantity monitoring unit, a switch control unit and an output interface, the switch control unit is respectively connected with the electric quantity monitoring unit and the output interface, the electric quantity monitoring unit and the switch control unit are connected with each storage battery in the storage battery pack, and the switch control unit is connected with the new energy generator.
Preferably, the switch control unit includes a controller with a logic analysis function and a three-state switch, and the controller with the logic analysis function is respectively connected with the three-state switch and the power monitoring unit.
Preferably, the three-state switch comprises a battery electrode and a switching electrode; the conversion electrode comprises an insulating block, a rotating shaft and two copper sheets; the insulating block is rigidly connected with the rotating shaft and can rotate around the rotating shaft, and the two copper sheets are arranged at two ends of the insulating block; one copper sheet is connected with the positive electrode or the negative electrode of the new energy generator, the other copper sheet is connected with the positive electrode or the negative electrode of the output interface, and the battery electrode is connected with the positive electrode or the negative electrode of a storage battery in the storage battery pack.
Preferably, the conversion electrode respectively connects or disconnects an electrode of the new energy generator or an electrode of the power output interface with a battery electrode through rotation, and the battery electrode is connected with a positive electrode or a negative electrode of a storage battery in the storage battery pack.
Preferably, the controller with logic analysis function may be a digital control mode controller, or may be an analog control mode controller.
Preferably, the Controller having the logic analysis function is a Programmable Logic Controller (PLC).
Preferably, the programmable logic controller is composed of functional units such as a CPU, an instruction and data memory, an input/output interface, a power supply, and digital-to-analog conversion.
Preferably, the storage battery pack consists of not less than two storage batteries, wherein at least one storage battery is a standby storage battery, and the rest are common working storage batteries.
Preferably, the battery pack comprises 3 batteries connected in parallel: the device comprises two common working storage batteries and a standby storage battery, wherein the standby storage battery is used for the two common working storage batteries when the electric quantity of the two common working storage batteries is exhausted.
Preferably, the new energy generator is a generator utilizing solar photovoltaic power generation technology, or a generator utilizing wind power generation, or a generator utilizing other renewable clean energy, or a plurality of power generation devices utilizing more than one power generation technology.
Another object of the present invention is to provide a method for generating power based on renewable clean energy and realizing long-term and continuous power supply.
The above object of the utility model is achieved through the following technical scheme:
a long-acting and continuous power supply method based on renewable energy power generation comprises the following steps:
(1) long-acting and continuous power supply system based on renewable energy power generation
The long-acting and continuous power supply system based on renewable energy power generation comprises a new energy generator, a storage battery pack, a control module and a patch board; the new energy generator is respectively connected with the storage battery pack and the control module, the storage battery pack is connected with the control module, and the control module is connected with the patch board through an output interface; the storage battery pack is formed by connecting 3 storage batteries in parallel: the system comprises two common working storage batteries and a standby storage battery, wherein the standby storage battery is used up when the electric quantity of the two common working storage batteries is exhausted; the control module mainly comprises an electric quantity monitoring unit, a switch control unit and an output interface, wherein the switch control unit is respectively connected with the electric quantity monitoring unit and the output interface, the electric quantity monitoring unit and the switch control unit are connected with each storage battery in the storage battery pack, and the switch control unit is simultaneously connected with the new energy generator;
(2) the control logic of the controller is as follows:
1) when the electric quantity monitoring unit monitors that the electric quantities of the three storage batteries are sufficient, one common working storage battery is in a discharging working state, and the other common working storage battery and the standby storage battery are in a dormant state;
2) when the electric quantity monitoring unit monitors that the electric quantity of one common working storage battery is less than 10%, the controller switches the other common working storage battery into a discharging working state, the former common working storage battery is switched into a charging state, and the standby storage battery is in a dormant state;
3) when the new energy generator can provide sufficient electric energy, a part of electric energy supplies power for the storage battery to be charged, and a part of electric energy is connected into the controller and is connected in parallel with the storage battery in a working state and outputs electric energy;
4) when the new energy generator is in a shutdown state, the second common working storage battery is continuously in a discharging working state, the standby storage battery is in a dormant state, and the electric quantity of the second common working storage battery in the discharging working state is less than 10%, if the electric quantity of the first common working storage battery exceeds 10% after charging, the first common working storage battery is switched to the discharging working state, the second common working storage battery is switched to the dormant state, and the standby storage battery is kept in the dormant state; if the electric quantity of the first common working storage battery is still less than 10%, the two common working storage batteries are switched to a dormant state, and the standby storage battery is switched to a power supply working state from the dormant state;
5) when the standby storage battery is in normal power supply working period, the new energy generator restarts to generate electric energy, the role of the standby storage battery is changed into a common working storage battery, the role of the original first common working storage battery is changed into a second common working storage battery, the role of the original second common working storage battery is changed into the standby storage battery, and the state is switched into a charging state;
6) when the electric energy consumption of the standby storage battery reaches 30%, the new energy generator does not start to generate electric energy again, the controller sends out low-electric-quantity warning to maintenance personnel and electric equipment, stores key information, closes non-key equipment, enables the equipment to enter an energy-saving mode, prolongs the power supply time of the key equipment, reminds the maintenance personnel to judge whether to replace the storage battery with sufficient electric energy, and restores the normal power supply state of the storage battery after the new energy generator generates electric energy again or fully replaces the storage battery.
The long-acting and continuous power supply system based on renewable energy power generation of the utility model utilizes the new energy generator of renewable clean energy power generation to generate electric energy, provides power source for the whole system, and the storage battery pack consisting of a plurality of storage batteries stores redundant electric energy and continues to provide power output when the generator fails; the control module controls the charging and discharging states of the storage batteries by monitoring the electric quantity of each storage battery, so that the continuous power supply time and the service life of the storage batteries are prolonged in a charging and discharging mode which is most beneficial to the maintenance of the storage batteries. The control module outputs electric energy through the output interface and supplies the electric energy to electric facilities through the patch board.
The new energy generator may be a generator using a solar photovoltaic power generation technology, a generator using wind power generation, a generator using other renewable clean energy, or a plurality of power generation devices using more than one power generation technology.
The storage battery pack comprises more than 2 storage batteries. The storage battery can be a common storage battery, and can also be a battery which stores energy by converting electric energy into other forms of chemical energy, such as a hydrogen energy battery which utilizes the water electrolysis technology; at least one storage battery in the storage battery pack is a standby storage battery, at least one or two batteries are common working storage batteries, and 3 storage batteries are recommended as the optimal storage battery.
The control module comprises an electric quantity monitoring unit of the storage battery, a switch control unit and an output interface. The charging or discharging state is determined by the switch control unit according to the battery electric quantity monitored by the electric quantity monitoring unit.
The switch control unit controls the charging and discharging states of each storage battery through a three-state switch, and the three-state switch has three working states: when one end of the left side is connected with the battery electrode, the battery is in a charging mode, when one end of the right side is connected with the battery electrode, the battery is in a discharging mode, and when the two ends are not in contact with the battery electrode, the battery is in a dormant state.
An output interface on the control module is connected with the patch board, electric energy is output to the patch board, and the electric energy is supplied to electric appliances according to different sockets of the patch board.
The utility model discloses a theory of operation is:
the utility model discloses a new forms of energy generator produces the electric energy, by the electric quantity of each battery in the control module control storage battery to according to which battery electric quantity decision which battery charges, which battery discharges, which battery dormancy. When the storage batteries are fully charged, the first common working storage battery supplies power, and the rest batteries are dormant; when the electric quantity of the first common working storage battery is below 10%, the second common working storage battery or the standby storage battery supplies power, and the first common working storage battery is charged. Thus, the batteries are charged and discharged circularly; during the working period of the standby storage battery as the last power supply battery, if the new energy generator can not recover to generate electric energy continuously, when the electric quantity monitoring unit monitors that the electric quantity is low, the controller sends out low-electric-quantity warning to maintenance personnel and electric equipment, stores key information in time, closes non-key equipment, switches to an energy-saving mode to continue to operate, or the maintenance personnel replaces the other two commonly-used working storage batteries which have exhausted the electric energy.
The utility model has the advantages that:
the utility model discloses a long-term, last power supply system based on renewable energy power generation to the most reasonable mode control battery of maintenance battery fills, the discharge mode, and the electric energy and the maximize storage that make full use of new forms of energy generator produced are reserve, and at the time quantum that new forms of energy generator can not produce the electric energy, effectively prolong the power supply time, effectively prolong whole power supply system's life. The utility model discloses a long-term, last power supply system based on renewable energy power generation as the power supply system of open-air consumer, can provide long-time continuous power supply.
The invention will be further illustrated and described with reference to the accompanying drawings and description, which are not intended to limit the scope of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the long-term, continuous power supply system based on renewable energy power generation of the present invention.
Fig. 2 is a schematic structural diagram of a three-state switch in the long-term, continuous power supply system based on renewable energy power generation of the present invention.
Fig. 3 is a schematic structural diagram of a transfer electrode in a three-state switch in a long-term, continuous power supply system based on renewable energy power generation according to the present invention.
Major part names in the drawings:
1 new energy generator 2 accumulator battery
3 control module 4 wiring board
5 common working accumulator A6 common working accumulator B
7 spare storage battery 8 electric quantity monitoring unit
9 switch control unit 10 output interface
11 tristate switch 12 battery electrodes
13 switching electrode 14 insulating block
15-shaft 16-copper sheet A
17 copper sheet B
Detailed Description
Unless otherwise specified, the components of the present invention are commercially available common components and are connected by a common connection method.
Fig. 1 is a schematic structural diagram of a long-term, continuous power supply system based on renewable energy power generation according to the present invention; the system comprises a power supply, a control module, a patch board, a new energy generator, a storage battery pack, a control module, a patch board, a common working storage battery A, a common working storage battery B, a standby storage battery, an electric quantity monitoring unit, a switch control unit and an output interface, wherein 1 is the new energy generator, 2 is the storage battery pack, 3 is the control module, 4 is the patch board, 5 is the common working storage battery A, 6 is; the main body of the long-acting and continuous power supply system based on renewable energy power generation mainly comprises a new energy generator 1, a storage battery pack 2, a control module 3 and a patch board 4; the new energy generator 1 is respectively connected with the storage battery pack 2 and the control module 3, the storage battery pack 2 is connected with the control module 3, and the control module 3 is connected with the patch board 4 through the output interface 10; the battery pack 2 includes a common working battery a5, a common working battery B6, and a backup battery 7 connected in parallel.
The new energy generator 1 may be a solar photovoltaic power generation device, a wind power generation device, or another new energy power generation device.
The electric energy of the new energy generator 1 is used for charging the storage battery pack 2, and meanwhile, the branch line is directly connected to the control module 3 and is connected with the storage battery in the storage battery pack 2 in a power supply state in parallel to provide electric energy.
The storage battery pack 2 consists of at least two storage batteries, and the storage batteries can be common storage batteries or batteries for storing energy by converting electric energy into other forms of chemical energy, such as hydrogen energy batteries by using an electrolytic water technology; at least one storage battery is a standby storage battery, and the rest are common working storage batteries.
In the present embodiment, the battery pack 2 is optimally composed of 3 batteries connected in parallel: the battery pack comprises a common working storage battery A5, a common working storage battery B6 and a backup storage battery 7, wherein the common working storage battery A5 and the common working storage battery B6 are both common working storage batteries, and the backup storage battery 7 is a backup storage battery when the two common working storage batteries are exhausted.
The utility model provides a long-term based on renewable energy power generation, last power supply system's control module 3 mainly includes electric quantity monitoring unit 8, on-off control unit 9 and output interface 10, on-off control unit 9 is connected with electric quantity monitoring unit 8 and output interface 10 respectively, electric quantity monitoring unit 8 is connected with each battery, electric quantity monitoring unit 8 monitors the electric quantity of each battery in storage battery 2, and submit electric quantity information to on-off control unit 9, on-off control unit 9 judges and controls the charging, the discharge state of each battery according to electric quantity information correspondence of electric quantity monitoring unit 8; the output interface 10 is a stable power output port and is connected with the patch board 4 to output power.
In the present invention, the switch control unit 9 includes a tri-state switch 11 and a controller with a logic analysis function, and the controller with the logic analysis function is connected to the tri-state switch 11 and the power monitoring unit 8 respectively; the structure of the three-state switch 11 is shown in fig. 2, a three-state switch 11 is corresponding to the positive electrode and the negative electrode of each storage battery, and the positive electrode and the negative electrode of each storage battery are respectively connected with the battery electrode 12 in one three-state switch 11.
Fig. 2 is a schematic structural diagram of a tri-state switch in a long-term, continuous power supply system based on renewable energy power generation according to the present invention; wherein 11 is a three-state switch, 12 is a battery electrode, and 13 is a conversion electrode; the tristate switch 11 comprises a battery electrode 12 and a switching electrode 13; the battery electrode 12 is connected with the positive electrode or the negative electrode of the corresponding storage battery in the storage battery pack.
Fig. 3 is a schematic structural diagram of a switching electrode in a tri-state switch in a long-term, continuous power supply system based on renewable energy power generation according to the present invention; the conversion electrode 13 comprises an insulating block 14, a rotating shaft 15, a copper sheet A16 and a copper sheet B17; the insulating block 14 is rigidly connected with the rotating shaft 15 and can rotate around the rotating shaft 15, and the copper sheet A16 and the copper sheet B17 are installed at two ends of the insulating block 14, wherein the copper sheet A16 is connected with the anode or the cathode of the new energy generator 1, and the copper sheet B17 is connected with the anode or the cathode of the output interface 10; when the conversion electrode 13 rotates anticlockwise and the copper sheet A16 is connected with the battery electrode 12, the corresponding storage battery is in a charging state; when the conversion electrode 13 rotates clockwise and the copper sheet B17 is connected with the battery electrode 12, the corresponding storage battery is in a discharging state; when the switching electrode 13 is located at 0 degree, the copper sheet A16 and the copper sheet B17 are not connected with the battery electrode 12, and the corresponding battery is in a dormant state.
The controller having the logic analysis function may be a digital control mode controller or an analog control mode controller.
The controller having the logic analysis function is a Programmable Logic Controller (PLC).
The programmable logic controller consists of functional units such as a CPU, an instruction and data memory, an input/output interface, a power supply, digital-analog conversion and the like.
The operating state control logic of each battery in the battery pack 2 shown in fig. 1 is:
(1) when the electric quantity monitoring unit 8 monitors that the electric quantities of the three storage batteries are sufficient, the common working storage battery A5 is in a discharging working state, and the common working storage battery B6 and the standby storage battery 7 are in a dormant state;
(2) when the electric quantity monitoring unit 8 monitors that the electric quantity of the frequently-used working storage battery A5 is less than 10%, the control unit 9 switches the frequently-used working storage battery B6 to be in a discharging working state, the frequently-used working storage battery A5 to be in a charging state, and the standby storage battery 7 is in a dormant state;
(3) when the new energy generator 1 can provide sufficient electric energy, a part of electric energy supplies power for the storage battery to be charged, and a part of electric energy is connected into the control module 3 and is connected in parallel with the storage battery in a working state and outputs electric energy at the same time;
(4) when the new energy generator 1 is in a shutdown state, the frequently-used working storage battery B6 is continuously in a discharge working state, the standby storage battery 7 is in a dormant state, when the electric quantity of the frequently-used working storage battery B6 in the discharge working state is less than 10%, the electric quantity of the other frequently-used working storage battery a5 is checked, if the electric quantity of the frequently-used working storage battery a5 exceeds 10%, the frequently-used working storage battery a5 is switched to the discharge working state, and the frequently-used working storage battery B6 is switched to the dormant state. If the electric quantity of the common working storage battery A5 is less than 10%, the common working storage battery A5 and the common working storage battery B6 are both switched to a dormant state, and the standby storage battery 7 is switched to a discharging working state;
(5) when the standby storage battery 7 is in the normal power supply working period, the new energy generator 1 restarts to generate electric energy, the role of the standby storage battery 7 is changed into the common working storage battery A5, the discharging working state is continuously kept, the role of the original common working storage battery A5 is changed into the common working storage battery B6, the role of the original common working storage battery B6 is changed into the standby storage battery 7, and the state is switched into the charging state;
(6) when the electric energy consumption of the standby storage battery 7 reaches 30%, the new energy generator 1 still does not start to generate electric energy again, the control unit 9 in the control module 3 sends out low-electric-quantity warning to maintenance personnel and electric equipment, stores key information, closes non-key equipment, enables the equipment to enter an energy-saving mode, prolongs the power supply time of the key equipment, reminds the maintenance personnel to judge whether to replace a storage battery with sufficient electric energy, and after the new energy generator 1 generates electric energy again or the storage battery is replaced with a full-charge storage battery, the storage battery pack 2 restores the normal power supply state again.
The above description is not intended to limit the structure and process of the present invention, and any structure after simple transformation or process with the same function of the present invention shall all belong to the protection scope of the present invention.
The utility model discloses utilize solar energy or wind power generation set to produce the electric energy, through the state of charging, discharging of battery among the control module reasonable control storage battery, ensure that the system can last for a long time and provide the electric energy, and effectively prolong the life who lasts power supply system.
The utility model discloses a charge of each battery of control module reasonable control, the state logic of discharging to the operating condition of each battery of the charge that is most favorable to battery maintenance, the guarantee utilizes the continuous power output and the long service life of the power supply system of new forms of energy production electric energy, solves the stability and the long-term nature problem of new forms of energy generator power supply. The utility model discloses a through to storage battery fill, discharge control logic, improved new forms of energy generator's work efficiency by a wide margin, prolonged the life and the power supply time of battery, can regard as the power supply system of open-air consumer, provide long-time continuous power supply.

Claims (9)

1. A long-acting, continuous power supply system based on renewable energy power generation, characterized by: the system mainly comprises a new energy generator, a storage battery pack, a control module and a patch board; the new energy generator is respectively connected with the storage battery pack and the control module, the storage battery pack is connected with the control module, and the control module is connected with the patch board through an output interface; the control module mainly comprises an electric quantity monitoring unit, a switch control unit and an output interface, the switch control unit is respectively connected with the electric quantity monitoring unit and the output interface, the electric quantity monitoring unit and the switch control unit are connected with each storage battery in the storage battery pack, and the switch control unit is connected with the new energy generator.
2. The long-lasting, continuous power supply system based on renewable energy power generation of claim 1, wherein: the storage battery pack is composed of at least two storage batteries, wherein at least one storage battery is a standby storage battery, and the rest are common working storage batteries.
3. The long-lasting, continuous power supply system based on renewable energy power generation of claim 2, wherein: the storage battery pack comprises 3 storage batteries connected in parallel: the device comprises two common working storage batteries and a standby storage battery, wherein the standby storage battery is used for the two common working storage batteries when the electric quantity of the two common working storage batteries is exhausted.
4. The long-lasting, continuous power supply system based on renewable energy power generation of claim 3, wherein: the switch control unit comprises a controller with a logic analysis function and a three-state switch, and the controller with the logic analysis function is respectively connected with the three-state switch and the electric quantity monitoring unit.
5. The long-lasting, continuous power supply system based on renewable energy power generation of claim 4, wherein: the controller with the logic analysis function is a programmable logic controller which mainly comprises a CPU, an instruction and data memory, an input/output interface, a power supply and a digital-analog conversion functional unit.
6. The long-lasting, continuous power supply system based on renewable energy power generation of claim 5, wherein: the three-state switch comprises a battery electrode and a conversion electrode; the conversion electrode comprises an insulating block, a rotating shaft and two copper sheets; the insulating block is rigidly connected with the rotating shaft and can rotate around the rotating shaft, the two copper sheets are arranged at two ends of the insulating block, one copper sheet is connected with an electrode of the new energy generator, and the other copper sheet is connected with an electrode of the output interface.
7. The long-lasting, continuous power supply system based on renewable energy power generation of claim 6, wherein: the conversion electrode respectively connects or disconnects an electrode of the new energy generator or an electrode of the power output interface with a battery electrode through rotation, and the battery electrode is connected with a positive electrode or a negative electrode of a storage battery in the storage battery pack.
8. The long-lasting, continuous power supply system based on renewable energy power generation of claim 7, wherein: the new energy generator is a generator utilizing a solar photovoltaic power generation technology or a generator utilizing wind power generation.
9. The long-lasting, continuous power supply system based on renewable energy power generation of claim 7, wherein: the new energy generator is a plurality of power generation devices utilizing more than one power generation technology.
CN201921151981.4U 2019-07-22 2019-07-22 Long-acting and continuous power supply system based on renewable energy power generation Active CN210430942U (en)

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CN110445204A (en) * 2019-07-22 2019-11-12 中国铁道科学研究院集团有限公司 A kind of long-acting, continued power system based on renewable energy power generation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110445204A (en) * 2019-07-22 2019-11-12 中国铁道科学研究院集团有限公司 A kind of long-acting, continued power system based on renewable energy power generation

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