CN115224783A - Convenient installation structure of photovoltaic energy storage device and energy storage method thereof - Google Patents
Convenient installation structure of photovoltaic energy storage device and energy storage method thereof Download PDFInfo
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- CN115224783A CN115224783A CN202210872496.6A CN202210872496A CN115224783A CN 115224783 A CN115224783 A CN 115224783A CN 202210872496 A CN202210872496 A CN 202210872496A CN 115224783 A CN115224783 A CN 115224783A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/002—Flicker reduction, e.g. compensation of flicker introduced by non-linear load
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention discloses a convenient installation structure of a photovoltaic energy storage device and an energy storage method thereof, wherein the convenient installation structure comprises an energy storage assembly, the energy storage assembly comprises an installation shell, a storage battery pack and a super capacitor pack, the storage battery pack and the super capacitor pack are electrically connected through a connecting lead, and the storage battery pack and the super capacitor pack are both arranged in the installation shell; and the mounting module comprises a mounting component and a driving component. The clamping device capable of flexibly adjusting the position is arranged to fix the connecting wire between the storage battery and the super capacitor, so that the phenomenon that the wire is broken and twisted in the electrical connection process is effectively avoided, the stability in the electrical connection process is ensured, the power fluctuation information of the photovoltaic energy storage power station is monitored in time by monitoring the photovoltaic power generation device, the energy storage device and the grid-connected equipment together, and the power of the energy storage device is dynamically adjusted by taking the power fluctuation information as the information, so that the smooth power of the grid-connected point is realized.
Description
Technical Field
The invention relates to the technical field of photovoltaic energy storage, in particular to a convenient and fast mounting structure of a photovoltaic energy storage device and an energy storage method thereof.
Background
In recent years, with the rapid consumption of conventional energy and the aggravation of environmental pollution, the new energy industry has received great attention and support. Photovoltaic power generation is widely used as one of the cheapest energy sources. However, natural light is strongly uncontrollable, fluctuating and intermittent due to various natural factors such as altitude, climate, temperature, terrain, etc., and is difficult to predict accurately and store in large quantities.
With the large-scale grid connection of photovoltaic energy storage power stations, the impact of power fluctuation on a power grid is more and more prominent. An appropriate amount of energy storage systems are configured in the grid-connected photovoltaic system to adjust the output power of the wind power plant, so that the controllability of the output power of photovoltaic power generation can be improved, and the photovoltaic energy storage power station becomes a flexible and controllable power supply. When the output of the photovoltaic power generation is large, but the load of a power grid is low, the energy storage system stores the output power of the photovoltaic energy storage power station for a long time and with large capacity; and when the load of the power grid reaches a peak value and the output requirement of the photovoltaic energy storage power station is increased, the energy storage system outputs the stored energy to the power grid for users to use.
Because the cost of the energy storage system is high, how to select the energy storage system to exert the economic utilization value to the maximum extent and improve the service life of the energy storage system simultaneously becomes a problem which needs to be considered urgently by photovoltaic power generation operation enterprises. The energy storage element does not have the capability of performing accurate power exchange with a photovoltaic energy storage power station actively, and a charge and discharge controller is required to be added to accurately control the charge and discharge power of the energy storage element. The current single energy storage device cannot completely meet the engineering requirements. The energy storage set power is divided into a frequent fluctuation part and a smooth part which are respectively borne by the super capacitor and the energy storage battery, so that the quick response to the stabilization requirement can be realized.
When super capacitor and energy storage battery carried out the energy storage operation, both carried out electric connection through the wire, had following problem at the electric connection in-process, and the wire is connected and is not had effective fixed, and fixed position can't be adjusted and change, and the phenomenon of distortion easily appears turning over in the wire, is unfavorable for electric connection's safety.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are that when the super capacitor and the energy storage battery are electrically connected through the lead, the lead is not effectively fixed, the fixed position cannot be adjusted and changed, and the lead is easy to be folded and twisted.
In order to solve the technical problems, the invention provides the following technical scheme: a convenient and fast mounting structure of a photovoltaic energy storage device comprises an energy storage assembly, wherein the energy storage assembly comprises a mounting shell, a storage battery pack and a super capacitor pack, the storage battery pack and the super capacitor pack are electrically connected through a connecting lead, and the storage battery pack and the super capacitor pack are both arranged in the mounting shell; the mounting module comprises a mounting component and a driving component, and the mounting component is movably connected with the driving component; and the upper end fixing module comprises an upper fixing assembly, a clamping pin assembly, a positioning assembly and a releasing assembly, and the clamping pin assembly, the positioning assembly and the releasing assembly are all movably connected with the upper fixing assembly.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following steps: the installation component comprises an installation rack, a positioning bottom plate, a sliding frame and toothed plates, one end of the installation rack is fixedly connected with the positioning bottom plate, one end of the positioning bottom plate is fixedly connected with the installation shell, one end of the sliding frame is fixedly connected with the positioning bottom plate, and the toothed plates are arranged on two sides of an inner cavity of the sliding frame respectively.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the invention comprises the following steps: the driving assembly comprises a hand pressing rod, a hand pressing plate, a contact plate and a first spring, one end of the hand pressing rod penetrates through the outer side of the mounting frame, two ends of the hand pressing rod are fixedly connected with the hand pressing plate and the contact plate respectively, and two ends of the first spring are fixedly connected with the contact plate and the mounting frame respectively.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following steps: go up fixed subassembly and include location storehouse, depression bar, atress board and last arc board down, the location storehouse sets up in the sliding frame inner chamber, depression bar one end runs through to the location storehouse outside down, depression bar both ends respectively with atress board and last arc board fixed connection down.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following steps: the bayonet lock subassembly includes traction plate, second spring, kelly and round pin head, traction plate one end and lower depression bar fixed connection, second spring both ends respectively with traction plate and location storehouse fixed connection, the kelly both ends respectively with traction plate and round pin head fixed connection, locating component includes position sleeve, elasticity separation blade, curb plate and locating hole, the locating hole sets up in the position sleeve outer wall, the elasticity separation blade sets up in the position sleeve inner wall, position sleeve one end and curb plate fixed connection, curb plate one end and location storehouse fixed connection.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following steps: the release subassembly includes release ejector pin, release board, third spring and return plate, release ejector pin one end run through the location storehouse and with release board fixed connection, return plate one end and release ejector pin fixed connection, third spring both ends respectively with return plate and location storehouse inner wall fixed connection.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following steps: the lower end fixing module comprises a lower fixing assembly and a locking and positioning assembly, the lower fixing assembly comprises a lower arc plate, a connecting block and a lower cone block, two ends of the connecting block are fixedly connected with the lower arc plate and the lower cone block respectively, and sliding inclined planes are arranged at two ends of the lower cone block.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following steps: locking positioning assembly includes slip sloping block, slide bar, slide and fourth spring, two the both sides of taper block bottom are established respectively to the slip sloping block, slide bar one end and slip sloping block fixed connection, the slide bar other end and slide sliding connection, the slide sets up in the bottom of location storehouse inner wall, fourth spring both ends respectively with two slide bar fixed connection, slip sloping block one end fixedly connected with location tooth, the through hole has been seted up to slip sloping block outer wall.
As a preferred scheme of the convenient and fast mounting structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following steps: the lower end fixing module further comprises a return assembly, the return assembly comprises a return sleeve rod, a connecting plate, a fifth spring and a connecting rod, the connecting plate is arranged in an inner cavity of the return sleeve rod, two ends of the fifth spring are fixedly connected with the fifth spring and the inner wall of the return sleeve rod respectively, one end of the connecting rod is fixedly connected with the connecting plate, the other end of the connecting rod is fixedly connected with the lower arc plate, guide blocks are fixedly connected to two ends of the connecting plate respectively, one end of each guide block is slidably connected with a guide groove, and the guide grooves are formed in the inner wall of the return sleeve rod.
The invention also provides a photovoltaic energy storage method, which comprises the following steps:
(1) Performing spectrum analysis on the balance power data by adopting a Fourier transform method, acquiring the operation data of the photovoltaic power generation device in real time, and acquiring the operation data of a grid-connected point of the photovoltaic energy storage power station in real time;
(2) Reducing each frequency domain signal after filtering to a time domain by adopting a fast Fourier inverse transformation algorithm, and optimizing the configuration of the energy storage device according to the operation data of the photovoltaic power generation device and the operation data of a grid-connected point;
(3) The super capacitor can be used for charging and discharging for unlimited times, so that the charging and discharging times of the storage battery are reduced, and the service life of the storage battery is prolonged;
(4) A gradual discharging method is adopted to avoid the situation that the super capacitor is fully charged or discharged, so that the capacity is saved and the next time of voltage fluctuation of the direct current bus is waited;
(5) The double closed-loop control technology is adopted to maintain the voltage stability of the direct current bus and ensure that the charging and discharging current does not exceed the maximum current which can be borne by the super capacitor;
(6) And three closed-loop control of a direct current bus voltage outer ring, a storage battery voltage inner ring and a storage battery current inner ring is adopted, the direct current bus voltage is maintained to be stable, and the over-discharge and gassing of the storage battery are controlled.
The invention has the beneficial effects that:
the clamping device capable of flexibly adjusting the position is arranged to fix the connecting wire between the storage battery and the super capacitor, so that the phenomenon that the wire is folded and twisted in the electrical connection process is effectively avoided, and the stability in the electrical connection process is ensured.
The grid-connected equipment monitoring system monitors the photovoltaic power generation device, the energy storage device and the grid-connected equipment together, monitors power fluctuation information of the photovoltaic energy storage power station in time, and dynamically adjusts the power of the energy storage device by taking the power fluctuation information as information, so that the power smoothness of a grid-connected point is realized;
the respective advantages of battery energy storage and super capacitor energy storage are complemented, wherein the storage battery is used for meeting the requirement of high-capacity electric energy throughput, and the super capacitor is used for meeting the requirement of peak power throughput.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a diagram showing an installation structure of the apparatus in the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an installation module in the embodiment of the present invention.
Fig. 3 is a schematic view of an internal structure of the positioning chamber in the embodiment of the present invention.
FIG. 4 is a cross-sectional view of a positioning chamber in an embodiment of the invention.
Fig. 5 is a partial enlarged structural view of the position K in fig. 4 in the embodiment of the present invention.
Fig. 6 is a mounting structure view of the lower fixing component and the locking positioning component in the embodiment of the invention.
Fig. 7 is a schematic structural diagram of a return assembly in an embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, for a first embodiment of the present invention, the embodiment provides a convenient installation structure of a photovoltaic energy storage device and an energy storage method thereof, including an energy storage assembly 100, where the energy storage assembly 100 includes an installation casing 101, a storage battery 103 and a super capacitor bank 104, the storage battery 103 and the super capacitor bank 104 are electrically connected through a connection wire 102, and both the storage battery 103 and the super capacitor bank 104 are disposed in the installation casing 101.
The storage battery set 103 and the super capacitor set 104 are combined to store electric energy, so that the advantages of the battery storage and the super capacitor storage are complemented, wherein the storage battery is used for meeting the requirement of high-capacity electric energy throughput, and the super capacitor is used for meeting the requirement of peak power throughput, and the storage battery set 103 and the super capacitor set 104 are electrically connected through the connecting wire 102 in the using process.
In the electrical connection process, the number of the connecting wires 102 is large, and cross folding is easy to occur in the wiring process, so that potential safety hazards exist.
The installation module 200, the installation module 200 includes an installation component 201 and a driving component 202, and the installation component 201 and the driving component 202 are movably connected.
The plurality of sets of upper end fixing modules 300 and lower end fixing modules 400 are installed through the installation module 200, and the plurality of sets of connecting wires 102 are fixed through the plurality of sets of upper end fixing modules 300 and lower end fixing modules 400, so that the connecting wires are arranged and fixed in sequence, and the safety of electric connection is prevented from being influenced by cross.
The upper fixing module 300, the upper fixing module 300 comprises an upper fixing component 301, a bayonet lock component 302, a positioning component 303 and a releasing component 304, and the bayonet lock component 302, the positioning component 303 and the releasing component 304 are movably connected with the upper fixing component 301.
When the connecting conducting wire 102 is fixed, the driving assembly 202 outputs mechanical transmission force to drive the upper fixing assembly 301 to be linked, so that the connecting conducting wire 102 is clamped, and when the upper fixing assembly 301 is used for clamping, the clamping pin assembly 302 is linked and meshed with the positioning assembly 303 to position the equipment, so that the clamping state of the equipment on the connecting conducting wire 102 is maintained.
The lower fixed module 400 is also included, and the lower fixed module 400 includes a lower fixed assembly 401 and a locking and positioning assembly 402.
When the upper fixing component 301 is pressed downwards for fixing, the lower fixing component 401 is linked therewith, and the locking and positioning component 402 is displaced therewith, so that the locking and positioning component is interlocked with the mounting component 201 and keeps fixed, the fixing equipment keeps stable and clamped, and the connecting lead 102 is fixed and does not move any more.
Example 2
Referring to fig. 2 to 5, there is shown a second embodiment of the present invention, which is based on the previous embodiment.
The installation component 201 comprises an installation rack 201a, a positioning bottom plate 201b, a sliding frame 201c and a toothed plate 201d, one end of the installation rack 201a is fixedly connected with the positioning bottom plate 201b, one end of the positioning bottom plate 201b is fixedly connected with the installation shell 101, one end of the sliding frame 201c is fixedly connected with the positioning bottom plate 201b, and the two sets of toothed plates 201d are respectively arranged on two sides of an inner cavity of the sliding frame 201 c.
The plurality of sets of the upper end fixed module 300 and the lower end fixed module 400 are arranged in the sliding frame 201c and can move flexibly, when the connecting lead 102 is fixed, the upper end fixed module 300 and the lower end fixed module 400 move flexibly, the fixed positions of the upper end fixed module 300 and the lower end fixed module 400 are adjusted, and the connecting lead 102 is clamped and fixed after the connecting lead 102 is prevented from being folded.
The driving assembly 202 comprises a hand lever 202a, a hand plate 202b, a contact plate 202c and a first spring 202d, one end of the hand lever 202a penetrates to the outer side of the mounting rack 201a, two ends of the hand lever 202a are fixedly connected with the hand plate 202b and the contact plate 202c respectively, and two ends of the first spring 202d are fixedly connected with the contact plate 202c and the mounting rack 201a respectively.
When the connection wire 102 is fixed, the user presses the hand pressing plate 202b, the hand pressing rod 202a is moved by the movement of the hand pressing plate 202b, the contact plate 202c is moved by the movement of the hand pressing rod 202a, and the first spring 202d is stretched and deformed by the movement of the contact plate 202 c.
Go up fixed subassembly 301 including location storehouse 301a, push rod 301b, atress board 301c and last arc board 301d down, location storehouse 301a sets up in sliding frame 201c inner chamber, and push rod 301b one end runs through to the outside of location storehouse 301a down, and push rod 301b both ends respectively with atress board 301c and last arc board 301d fixed connection down.
The positioning bin 301a has a circular through notch on its surface, and the connecting wire 102 can be fixed by passing through the notch.
When the contact plate 202c moves, it contacts and presses the force-receiving plate 301c, which moves the force-receiving plate 301c, the lower pressing rod 301b moves by the movement of the force-receiving plate 301c, the upper arc plate 301d moves by the movement of the lower pressing rod 301b, and the connection wire 102 is fixed by the movement of the upper arc plate 301 d.
The bayonet lock assembly 302 comprises a traction plate 302a, a second spring 302b, a bayonet rod 302c and a pin head 302d, wherein one end of the traction plate 302a is fixedly connected with a lower pressing rod 301b, two ends of the second spring 302b are respectively fixedly connected with the traction plate 302a and the positioning bin 301a, and two ends of the bayonet rod 302c are respectively fixedly connected with the traction plate 302a and the pin head 302 d.
When the pressing rod 301b moves, it drives the pulling plate 302a to move, the second spring 302b is stretched and deformed by the movement of the pulling plate 302a, and the clamping rod 302c and the pin head 302d are driven to move by the movement of the pulling plate 302 a.
The positioning assembly 303 comprises a positioning sleeve 303a, an elastic baffle 303b, a side plate 303c and a positioning hole 303d, wherein the positioning hole 303d is arranged on the outer wall of the positioning sleeve 303a, the elastic baffle 303b is arranged on the inner wall of the positioning sleeve 303a, one end of the positioning sleeve 303a is fixedly connected with the side plate 303c, and one end of the side plate 303c is fixedly connected with the positioning bin 301 a.
The clamping rod 302c and the pin head 302d move in the inner cavity of the positioning sleeve 303a, when the pin head 302d contacts the elastic blocking piece 303b, the pin head 302d is limited by the inclined surface of the outer wall of the elastic blocking piece 303b, so that the clamping rod 302c and the pin head 302d deviate, and along with the continuous movement of the clamping rod 302c and the pin head 302d, the pin head 302d is clamped in the positioning hole 303d, the interlocking of the clamping rod 302c and the pin head is realized, and therefore the pressing rod 301b cannot be reset due to the elasticity of a spring, and the clamping state is fixed.
The releasing assembly 304 comprises a releasing push rod 304a, a releasing plate 304b, a third spring 304c and a return plate 304d, one end of the releasing push rod 304a penetrates through the positioning bin 301a and is fixedly connected with the releasing plate 304b, one end of the return plate 304d is fixedly connected with the releasing push rod 304a, and two ends of the third spring 304c are respectively fixedly connected with the return plate 304d and the inner wall of the positioning bin 301 a.
When the clamping state needs to be released, the user presses the release plate 304b, the release ejector rod 304a is driven to move by the movement of the release plate 304b, the return plate 304d is driven to move by the movement of the release ejector rod 304a, the third spring 304c is pulled to deform by the movement of the return plate 304d, the release ejector rod 304a is contacted with the end face of the pin head 302d by the movement of the release ejector rod 304a, so that the pin head 302d is extruded to be separated from the inner cavity of the positioning hole 303d, and the pin head 302d is reset by the elasticity of the second spring 302b to be contacted with the clamping relation.
Example 3
Referring to fig. 3 to 4 and 6 to 7, a third embodiment of the present invention is based on the above two embodiments.
The lower fixed module 400 is also included, and the lower fixed module 400 includes a lower fixed assembly 401 and a locking and positioning assembly 402.
Lower fixed subassembly 401 includes arc board 401a, connecting block 401b and awl piece 401c down, and connecting block 401b both ends respectively with arc board 401a and awl piece 401c fixed connection down, and the slip inclined plane 401d has all been seted up at awl piece 401c both ends down.
When the upper arc plate 301d moves to fix and clamp the connecting wire 102, the surface of the bottom of the connecting wire 102 contacts and extrudes the lower arc plate 401a, the lower arc plate 401a is stressed to displace, and the stressed displacement of the lower arc plate 401a drives the connecting block 401b and the lower cone block 401c to displace.
The locking and positioning assembly 402 comprises two sliding inclined blocks 402a, sliding rods 402b, a slide way 402c and a fourth spring 402d, wherein the two sliding inclined blocks 402a are respectively arranged at two sides of the bottom of a lower conical block 401c, one end of each sliding rod 402b is fixedly connected with the corresponding sliding inclined block 402a, the other end of each sliding rod 402b is slidably connected with the corresponding slide way 402c, the corresponding slide way 402c is arranged at the bottom of the inner wall of the corresponding positioning bin 301a, two ends of the fourth spring 402d are respectively fixedly connected with the two sliding rods 402b, one end of each sliding inclined block 402a is fixedly connected with a positioning tooth 402e, and a through hole Q is formed in the outer wall of the corresponding sliding inclined block 402 a.
When the lower tapered block 401c moves downwards, the sliding inclined planes 401d on the two sides of the lower tapered block contact the inclined planes on the surface of the sliding inclined block 402a, the sliding inclined blocks and the sliding inclined block slide relatively, the sliding inclined block 402a is displaced in the direction away from the lower tapered block 401c through the sliding extrusion of the sliding inclined planes 401d, the sliding inclined block 402b is driven to move through the movement of the sliding inclined block 402a, the fourth spring 402d is stretched and deformed through the movement of the two sliding rods 402b, elastic energy storage is performed through the deformation of the fourth spring 402d, and after the device is reset, the sliding inclined block 402a can also reset along with the sliding inclined block.
The positioning teeth 402e are driven to move by the movement of the sliding inclined block 402a, and the positioning teeth 402e penetrate through the through hole Q and are meshed with the toothed plate 201d, so that the equipment is kept stable and static, and the connecting wire 102 is kept in a stable clamped state.
The lower end fixing module 400 further comprises a return assembly 403, the return assembly 403 comprises a return sleeve rod 403a, a connecting plate 403b, a fifth spring 403c and a connecting rod 403e, the connecting plate 403b is arranged in an inner cavity of the return sleeve rod 403a, two ends of the fifth spring 403c are respectively fixedly connected with the inner walls of the fifth spring 403c and the return sleeve rod 403a, one end of the connecting rod 403e is fixedly connected with the connecting plate 403b, the other end of the connecting rod 403e is fixedly connected with the lower arc plate 401a, two ends of the connecting plate 403b are respectively fixedly connected with a guide block 403d, one end of the guide block 403d is slidably connected with a guide groove, and the guide groove is arranged on the inner wall of the return sleeve rod 403 a.
When arc board 401a atress displacement down, it drives connecting rod 403e and moves, the removal through connecting rod 403e drives connecting plate 403b and moves, it makes it take place to deform to compress fifth spring 403c through connecting plate 403 b's removal, by compression deformation through fifth spring 403c, make it carry out the elasticity energy storage, the back of being convenient for reset of equipment, arc board 401a can reset fast down, through the setting of guide block 403d and guide way, can effectively avoid connecting rod 403e and connecting plate 403b skew phenomenon to appear at the removal in-process, it can steadily reciprocate to ensure down arc board 401 a.
Example 4
In order to provide a fourth embodiment of the present invention, which is based on the above three embodiments, the present embodiment provides a photovoltaic energy storage method, including:
(1) Performing spectrum analysis on the balance power data by adopting a Fourier transform method, acquiring the operation data of the photovoltaic power generation device in real time, and acquiring the operation data of a grid-connected point of the photovoltaic energy storage power station in real time;
(2) Reducing each frequency domain signal after filtering to a time domain by adopting a fast Fourier inverse transformation algorithm, and optimizing the configuration of the energy storage device according to the operation data of the photovoltaic power generation device and the operation data of a grid-connected point;
(3) The super capacitor can be used for charging and discharging for unlimited times, so that the charging and discharging times of the storage battery are reduced, and the service life of the storage battery is prolonged;
(4) A gradual discharging method is adopted to avoid the situation that the super capacitor is fully charged or discharged, so that the capacity is saved and the next time of voltage fluctuation of the direct current bus is waited;
(5) The double closed-loop control technology is adopted to maintain the voltage stability of the direct current bus and ensure that the charging and discharging current does not exceed the maximum current which can be borne by the super capacitor;
(6) And three closed-loop control of a direct current bus voltage outer ring, a storage battery voltage inner ring and a storage battery current inner ring is adopted, the direct current bus voltage is maintained to be stable, and the over-discharge and gassing of the storage battery are controlled.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a convenient mounting structure of photovoltaic energy memory which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the energy storage assembly (100) comprises an installation shell (101), a storage battery pack (103) and a super capacitor pack (104), wherein the storage battery pack (103) and the super capacitor pack (104) are electrically connected through a connecting wire (102), and the storage battery pack (103) and the super capacitor pack (104) are both arranged in the installation shell (101); and the number of the first and second groups,
the installation module (200), the installation module (200) comprises an installation component (201) and a driving component (202), and the installation component (201) and the driving component (202) are movably connected; and the number of the first and second groups,
the module (300) is fixed to the upper end, the module (300) is fixed to the upper end includes fixed subassembly (301), bayonet lock subassembly (302), locating component (303) and release subassembly (304) all with last fixed subassembly (301) swing joint.
2. The photovoltaic energy storage device convenient installation structure of claim 1, wherein: the installation component (201) comprises an installation rack (201 a), a positioning bottom plate (201 b), a sliding frame (201 c) and a toothed plate (201 d), one end of the installation rack (201 a) is fixedly connected with the positioning bottom plate (201 b), one end of the positioning bottom plate (201 b) is fixedly connected with the installation shell (101), one end of the sliding frame (201 c) is fixedly connected with the positioning bottom plate (201 b), and the toothed plate (201 d) is arranged on two sides of an inner cavity of the sliding frame (201 c) respectively.
3. The photovoltaic energy storage device convenient installation structure of claim 2, wherein: the driving assembly (202) comprises a hand pressure rod (202 a), a hand pressure plate (202 b), a contact plate (202 c) and a first spring (202 d), one end of the hand pressure rod (202 a) penetrates through the outer side of the mounting frame (201 a), two ends of the hand pressure rod (202 a) are fixedly connected with the hand pressure plate (202 b) and the contact plate (202 c) respectively, and two ends of the first spring (202 d) are fixedly connected with the contact plate (202 c) and the mounting frame (201 a) respectively.
4. The convenient installation structure of the photovoltaic energy storage device as claimed in any one of claims 1 to 3, wherein: go up fixed subassembly (301) including location storehouse (301 a), lower depression bar (301 b), atress board (301 c) and last arc board (301 d), location storehouse (301 a) sets up in sliding frame (201 c) inner chamber, depression bar (301 b) one end runs through to location storehouse (301 a) outside down, depression bar (301 b) both ends respectively with atress board (301 c) and last arc board (301 d) fixed connection down.
5. The photovoltaic energy storage device convenient installation structure of claim 4, wherein:
the bayonet lock assembly (302) comprises a traction plate (302 a), a second spring (302 b), a clamping rod (302 c) and a pin head (302 d), one end of the traction plate (302 a) is fixedly connected with a lower pressing rod (301 b), two ends of the second spring (302 b) are respectively and fixedly connected with the traction plate (302 a) and the positioning bin (301 a), and two ends of the clamping rod (302 c) are respectively and fixedly connected with the traction plate (302 a) and the pin head (302 d);
the positioning assembly (303) comprises a positioning sleeve (303 a), an elastic blocking piece (303 b), a side plate (303 c) and a positioning hole (303 d), the positioning hole (303 d) is formed in the outer wall of the positioning sleeve (303 a), the elastic blocking piece (303 b) is arranged on the inner wall of the positioning sleeve (303 a), one end of the positioning sleeve (303 a) is fixedly connected with the side plate (303 c), and one end of the side plate (303 c) is fixedly connected with the positioning bin (301 a).
6. The photovoltaic energy storage device convenient installation structure of claim 5, wherein: release subassembly (304) are including release ejector pin (304 a), release board (304 b), third spring (304 c) and return plate (304 d), release ejector pin (304 a) one end run through positioning bin (301 a) and with release board (304 b) fixed connection, return plate (304 d) one end and release ejector pin (304 a) fixed connection, third spring (304 c) both ends respectively with return plate (304 d) and positioning bin (301 a) inner wall fixed connection.
7. The photovoltaic energy storage device convenient installation structure of claim 6, wherein: the lower end fixing module (400) is further included, and the lower end fixing module (400) comprises a lower fixing component (401) and a locking and positioning component (402);
fixed subassembly (401) down includes arc board (401 a), connecting block (401 b) and awl piece (401 c) down, connecting block (401 b) both ends respectively with arc board (401 a) and awl piece (401 c) fixed connection down, slide slope (401 d) have all been seted up at awl piece (401 c) both ends down.
8. The photovoltaic energy storage device convenient installation structure of claim 7, wherein: locking locating component (402) is including slip sloping block (402 a), slide bar (402 b), slide way (402 c) and fourth spring (402 d), two the both sides of awl piece (401 c) bottom are established respectively to slip sloping block (402 a), slide bar (402 b) one end and slip sloping block (402 a) fixed connection, slide bar (402 b) other end and slide way (402 c) sliding connection, slide way (402 c) set up in the bottom of positioning bin (301 a) inner wall, fourth spring (402 d) both ends respectively with two slide bars (402 b) fixed connection, slip sloping block (402 a) one end fixedly connected with location tooth (402 e), through hole (Q) have been seted up to slip sloping block (402 a) outer wall.
9. The photovoltaic energy storage device convenient installation structure of claim 8, wherein: the lower end fixing module (400) further comprises a return assembly (403), the return assembly (403) comprises a return sleeve rod (403 a), a connecting plate (403 b), a fifth spring (403 c) and a connecting rod (403 e), the connecting plate (403 b) is arranged in an inner cavity of the return sleeve rod (403 a), two ends of the fifth spring (403 c) are respectively fixedly connected with the fifth spring (403 c) and the inner wall of the return sleeve rod (403 a), one end of the connecting rod (403 e) is fixedly connected with the connecting plate (403 b), the other end of the connecting rod (403 e) is fixedly connected with a lower arc plate (401 a), two ends of the connecting plate (403 b) are respectively fixedly connected with guide blocks (403 d), one end of each guide block (403 d) is slidably connected with a guide groove, and the guide grooves are arranged on the inner wall of the return sleeve rod (403 a).
10. A photovoltaic energy storage method is characterized in that: the photovoltaic energy storage device convenient installation structure of the claims 1-9 is adopted, and the energy storage method comprises the following steps,
(1) Performing spectrum analysis on the balance power data by adopting a Fourier transform method, acquiring the operation data of the photovoltaic power generation device in real time, and acquiring the operation data of a grid-connected point of the photovoltaic energy storage power station in real time;
(2) Reducing each frequency domain signal after filtering to a time domain by adopting a fast Fourier inverse transformation algorithm, and optimizing the configuration of the energy storage device according to the operation data of the photovoltaic power generation device and the operation data of a grid-connected point;
(3) The super capacitor can be used for charging and discharging for unlimited times, so that the charging and discharging times of the storage battery are reduced, and the service life of the storage battery is prolonged;
(4) A gradual discharging method is adopted to avoid the situation that the super capacitor is fully charged or discharged, so that the capacity is saved and the next time of voltage fluctuation of the direct current bus is waited;
(5) The double closed-loop control technology is adopted to maintain the voltage stability of the direct current bus and ensure that the charging and discharging current does not exceed the maximum current which can be borne by the super capacitor;
(6) And three closed-loop control of a direct current bus voltage outer ring, a storage battery voltage inner ring and a storage battery current inner ring is adopted, the direct current bus voltage is maintained to be stable, and the over-discharge and gassing of the storage battery are controlled.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08245199A (en) * | 1995-03-07 | 1996-09-24 | Toyota Autom Loom Works Ltd | Battery cable protector |
| JP2015088251A (en) * | 2013-10-28 | 2015-05-07 | 矢崎総業株式会社 | Circuit conductor, connection structure and manufacturing method of circuit conductor |
| CN106911141A (en) * | 2017-05-10 | 2017-06-30 | 成都鼎智汇科技有限公司 | A kind of operation method of photovoltaic energy storage device |
| CN207967327U (en) * | 2018-04-14 | 2018-10-12 | 青岛富润达工贸有限公司 | A kind of block terminal inside wire-clamping device |
| CN208738548U (en) * | 2018-07-24 | 2019-04-12 | 苏州洛佳伊电子科技有限公司 | A kind of novel LVDS line discounting device |
| CN212085635U (en) * | 2019-10-21 | 2020-12-04 | 青岛利荣电气工程有限公司 | Box-type substation cable stranding mechanism |
-
2022
- 2022-07-20 CN CN202210872496.6A patent/CN115224783B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08245199A (en) * | 1995-03-07 | 1996-09-24 | Toyota Autom Loom Works Ltd | Battery cable protector |
| JP2015088251A (en) * | 2013-10-28 | 2015-05-07 | 矢崎総業株式会社 | Circuit conductor, connection structure and manufacturing method of circuit conductor |
| CN106911141A (en) * | 2017-05-10 | 2017-06-30 | 成都鼎智汇科技有限公司 | A kind of operation method of photovoltaic energy storage device |
| CN207967327U (en) * | 2018-04-14 | 2018-10-12 | 青岛富润达工贸有限公司 | A kind of block terminal inside wire-clamping device |
| CN208738548U (en) * | 2018-07-24 | 2019-04-12 | 苏州洛佳伊电子科技有限公司 | A kind of novel LVDS line discounting device |
| CN212085635U (en) * | 2019-10-21 | 2020-12-04 | 青岛利荣电气工程有限公司 | Box-type substation cable stranding mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 朱华明: "煤矿立井防缠绕电缆卡子制作及应用", 建井技术, vol. 41, no. 4, pages 57 - 60 * |
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