CN115224783B - 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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- CN115224783B CN115224783B CN202210872496.6A CN202210872496A CN115224783B CN 115224783 B CN115224783 B CN 115224783B CN 202210872496 A CN202210872496 A CN 202210872496A CN 115224783 B CN115224783 B CN 115224783B
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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
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a convenient installation structure of a photovoltaic energy storage device and an energy storage method thereof, and the convenient installation structure comprises an energy storage assembly, wherein 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 connecting wires, and the storage battery pack and the super capacitor pack are both arranged in the installation shell; and a mounting module including a mounting assembly and a drive assembly. According to the invention, 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 of bending and twisting of the wire in the electric connection process is effectively avoided, the stability in the electric 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 information as information, thereby realizing grid-connected point power smoothing.
Description
Technical Field
The invention relates to the technical field of photovoltaic energy storage, in particular to a convenient installation structure of a photovoltaic energy storage device and an energy storage method thereof.
Background
In recent years, with the rapid consumption of traditional energy and the aggravation of environmental pollution, the new energy industry is greatly concerned and supported. Photovoltaic power generation is widely used as one of the cheapest energy sources. However, natural light is strongly uncontrollable, fluctuating and intermittent due to the influence of various natural factors such as altitude, climate, temperature, terrain and the like, and is difficult to accurately predict and store in large quantities.
With the large-scale grid connection of the photovoltaic energy storage power stations, the impact of power fluctuation on the power grid is more and more prominent. And an appropriate amount of energy storage system is configured in the grid-connected photovoltaic system, so that the output power of the wind power plant is regulated, the controllability of the output power of the photovoltaic power generation can be improved, and the photovoltaic energy storage power station becomes a flexible and controllable power supply. When the output power of the photovoltaic power generation is larger but the load of the power grid is lower, the energy storage system stores the output power of the photovoltaic energy storage power station for a long time with large capacity; and when the power grid load 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 a user to use.
Because the cost of the energy storage system is higher, how to choose to exert the economic utilization value of the energy storage system to the maximum extent, and meanwhile, the service life of the energy storage system is prolonged, and the energy storage system becomes a problem to be considered by photovoltaic power generation operation enterprises. The energy storage element does not have the capability of carrying out accurate power exchange with the photovoltaic energy storage power station actively, and a charge and discharge controller is needed to be added to accurately control the charge and discharge power of the energy storage element. The current single energy storage device cannot fully meet the engineering requirements. The energy storage set power is divided into a frequent fluctuation part and a smooth part, and the frequent fluctuation part and the smooth part are respectively born by the super capacitor and the energy storage battery, so that the quick response to the stabilizing requirement can be realized.
When super capacitor and energy storage battery carry out energy storage operation, both carry out electric connection through the wire, have following problem at electric connection in-process, wire connection does not have effective fixedly, and fixed position can't adjust the change, and the wire is liable to appear the phenomenon of discounting distortion, is unfavorable for electric connection's safety.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that when the super capacitor and the energy storage battery are electrically connected through the lead, the lead connection 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: the convenient installation structure of the photovoltaic energy storage device comprises an energy storage assembly, wherein 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 connecting wires, and the storage battery pack and the super capacitor pack are arranged in the installation shell; the installation module comprises an installation component and a driving component, and the installation component is movably connected with the driving component; and the upper end fixing module comprises an upper fixing assembly, a bayonet lock assembly, a positioning assembly and a release assembly, and the bayonet lock assembly, the positioning assembly and the release assembly are movably connected with the upper fixing assembly.
As a preferred scheme of the convenient installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: the installation component includes mounting bracket, locating bottom plate, sliding frame and pinion rack, mounting bracket one end and locating bottom plate up end fixed connection, terminal surface and installation casing fixed connection under the locating bottom plate, sliding frame one end and locating bottom plate up end fixed connection, two sets of the pinion rack sets up respectively in the both sides of sliding frame inner chamber.
As a preferred scheme of the convenient installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: 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 installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: the upper fixing assembly comprises a positioning bin, a lower pressing rod, a stress plate and an upper arc plate, wherein the positioning bin is arranged in the inner cavity of the sliding frame, one end of the lower pressing rod penetrates through the outer side of the positioning bin, and two ends of the lower pressing rod are fixedly connected with the stress plate and the upper arc plate respectively.
As a preferred scheme of the convenient installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: the bayonet lock subassembly includes traction plate, second spring, clamping lever and round pin head, traction plate one end and depression bar fixed connection down, second spring both ends respectively with traction plate and location storehouse fixed connection, clamping lever both ends respectively with traction plate and round pin head fixed connection, the locating subassembly includes locating sleeve, elasticity separation blade, curb plate and locating hole, the locating hole sets up in the locating sleeve outer wall, elasticity separation blade sets up in the locating sleeve inner wall, locating sleeve one end and curb plate fixed connection, curb plate one end and location storehouse fixed connection.
As a preferred scheme of the convenient installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: the release assembly comprises a release ejector rod, a release plate, a third spring and a return plate, wherein one end of the release ejector rod penetrates through the positioning bin and is fixedly connected with the release plate, one end of the return plate is fixedly connected with the release ejector rod, and two ends of the third spring are respectively fixedly connected with the return plate and the inner wall of the positioning bin.
As a preferred scheme of the convenient installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: 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 respectively fixedly connected with the lower arc plate and the lower cone block, and two ends of the lower cone block are respectively provided with a sliding inclined plane.
As a preferred scheme of the convenient installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: the locking positioning assembly comprises a sliding inclined block, sliding rods, a slideway and a fourth spring, wherein the sliding inclined blocks are respectively arranged on two sides of the bottom of the lower conical block, one end of each sliding rod is fixedly connected with the sliding inclined block, the other end of each sliding rod is in sliding connection with the slideway, the slideway is arranged at the bottom of the inner wall of the positioning bin, two ends of the fourth spring are respectively fixedly connected with the two sliding rods, positioning teeth are fixedly connected with one end of each sliding inclined block, and the sliding inclined block is provided with a through hole corresponding to the outer wall of the positioning bin.
As a preferred scheme of the convenient installation structure of the photovoltaic energy storage device and the energy storage method thereof, the photovoltaic energy storage device comprises the following components: the lower extreme fixed module still includes return subassembly, return subassembly includes return loop bar, connecting plate, fifth spring and connecting rod, the connecting plate sets up in return loop bar inner chamber, fifth spring both ends respectively with connecting plate and return loop bar inner wall fixed connection, connecting rod one end and connecting plate fixed connection, the connecting rod other end and lower arc board fixed connection, the equal fixedly connected with guide block in connecting plate both ends, guide block one end sliding connection has the guide way, the guide way sets up in return loop bar inner wall.
The invention also provides a photovoltaic energy storage method, which comprises the following steps:
(1) Performing spectrum analysis on the balanced power data by adopting a Fourier transform method, and acquiring operation data of the photovoltaic power generation device in real time and operation data of a grid-connected point of the photovoltaic energy storage power station in real time;
(2) Restoring each frequency domain signal after filtering to a time domain by adopting a fast Fourier inversion 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 the grid-connected point;
(3) The super capacitor can be charged and discharged infinitely, so that the times of charging and discharging the storage battery are reduced, and the service life of the storage battery is prolonged;
(4) A gradual discharging method is adopted to avoid full charge or complete discharge of the super capacitor, so that the capacity is saved and the next direct current bus voltage fluctuation is waited;
(5) The voltage stability of the direct current bus is maintained by adopting a double closed-loop control technology, and the charging and discharging current is ensured not to exceed the maximum current bearable by the super capacitor;
(6) And three closed loop control of a direct current bus voltage outer loop, a storage battery voltage inner loop and a storage battery current inner loop are adopted to maintain the voltage stability of the direct current bus and control to prevent the over-discharge and gassing of the storage battery.
The invention has the beneficial effects that:
according to the invention, 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 electric connection process is effectively avoided, and the stability in the electric connection process is ensured.
The photovoltaic power generation device, the energy storage device and the grid-connected equipment are monitored together, the power fluctuation information of the photovoltaic energy storage power station is monitored in time, and the power of the energy storage device is dynamically regulated by taking the information as information, so that the grid-connected point power is smooth;
the advantages of battery energy storage and supercapacitor energy storage are complemented, and the storage battery is used for meeting the requirement of high-capacity electric energy throughput, and the supercapacitor 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 that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a device mounting structure diagram in an embodiment of the present invention.
Fig. 2 is a schematic diagram of a mounting module according to an embodiment of the present invention.
Fig. 3 is a schematic view of the internal structure of the positioning bin according to an embodiment of the invention.
Fig. 4 is a cross-sectional view of a positioning cartridge in an embodiment of the invention.
Fig. 5 is a partially enlarged view of the K part of fig. 4 according to an embodiment of the present invention.
Fig. 6 is a diagram illustrating the installation structure of the lower fixing assembly and the locking and positioning assembly in the embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a return assembly according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
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 other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be 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, in a first embodiment of the present invention, a convenient installation structure of a photovoltaic energy storage device and an energy storage method thereof are provided, and the photovoltaic energy storage device comprises an energy storage assembly 100, wherein the energy storage assembly 100 comprises an installation housing 101, a storage battery 103 and a super capacitor 104, the storage battery 103 and the super capacitor 104 are electrically connected through a connecting wire 102, and the storage battery 103 and the super capacitor 104 are both disposed in the installation housing 101.
The battery pack 103 and the supercapacitor pack 104 are mixed to use a manner of storing electric energy, which complements respective advantages of battery energy storage and supercapacitor energy storage, wherein the battery is used for meeting the requirement of high-capacity electric energy throughput, and the supercapacitor is used for meeting the requirement of peak power throughput, and the battery energy storage and the supercapacitor pack 104 are electrically connected through the connecting wire 102 in the use process.
In the electrical connection process, the number of the connection wires 102 is large, cross folding is easy to occur in the wiring process, and potential safety hazards exist.
The installation module 200, the installation module 200 includes installation component 201 and drive assembly 202, installation component 201 and drive assembly 202 swing joint.
The plurality of groups of upper end fixing modules 300 and lower end fixing modules 400 are installed through the installation modules 200, and the plurality of groups of connecting wires 102 are fixed through the plurality of groups of upper end fixing modules 300 and lower end fixing modules 400, so that the orderly arrangement and fixation of the connecting wires are ensured, and the safety of electric connection is prevented from being affected by cross.
The upper end fixing module 300, the upper end fixing module 300 includes an upper fixing assembly 301, a bayonet lock assembly 302, a positioning assembly 303 and a releasing assembly 304, and the bayonet lock assembly 302, the positioning assembly 303 and the releasing assembly 304 are all movably connected with the upper fixing assembly 301.
When the connecting wire 102 is fixed, the driving component 202 outputs mechanical transmission force to drive the upper fixing component 301 to link, so that the clamping of the connecting wire 102 is realized, and when the upper fixing component 301 performs clamping operation, the clamping pin component 302 links and is meshed with the positioning component 303 to position equipment, so that the clamping state of the equipment on the connecting wire 102 is maintained.
Also included is a lower end module 400, the lower end module 400 including a lower fixing assembly 401 and a locking and positioning assembly 402.
When the upper fixing assembly 301 is pressed down and fixed, the lower fixing assembly 401 is linked with the upper fixing assembly, and the locking and positioning assembly 402 is displaced with the lower fixing assembly, so that the locking and positioning assembly is interlocked with the mounting assembly 201 and kept fixed, the fixing device is kept stably clamped, and the connecting wire 102 is fixed and does not move any more.
Example 2
Referring to fig. 2 to 5, a second embodiment of the present invention is based on the previous embodiment.
The installation component 201 includes mounting bracket 201a, location bottom plate 201b, slip frame 201c and pinion rack 201d, and mounting bracket 201a one end and location bottom plate 201b up end fixed connection, location bottom plate 201b lower terminal surface and installation casing 101 fixed connection, slip frame 201c one end and location bottom plate 201b up end fixed connection, and two sets of pinion racks 201d set up in the both sides of slip frame 201c inner chamber respectively.
The upper end fixing module 300 and the lower end fixing module 400 are arranged in the sliding frame 201c and can flexibly move, when the connecting wire 102 is fixed, the upper end fixing module 300 and the lower end fixing module 400 flexibly move, the fixing positions of the upper end fixing module 300 and the lower end fixing module 400 are adjusted, and after the connecting wire 102 is ensured not to be folded, the connecting wire 102 is clamped and fixed.
The driving assembly 202 comprises a hand pressing rod 202a, a hand pressing plate 202b, a contact plate 202c and a first spring 202d, one end of the hand pressing rod 202a penetrates through the outer side of the mounting frame 201a, two ends of the hand pressing rod 202a are fixedly connected with the hand pressing 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 frame 201a respectively.
When the connection wire 102 is fixed, the user presses the hand pressing plate 202b, the hand pressing plate 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 plate 202a, and the first spring 202d is stretched and deformed by the movement of the contact plate 202 c.
The upper fixing assembly 301 comprises a positioning bin 301a, a lower pressing rod 301b, a stress plate 301c and an upper arc plate 301d, wherein the positioning bin 301a is arranged in the inner cavity of the sliding frame 201c, one end of the lower pressing rod 301b penetrates through the outer side of the positioning bin 301a, and two ends of the lower pressing rod 301b are fixedly connected with the stress plate 301c and the upper arc plate 301d respectively.
The surface of the positioning bin 301a is provided with a circular penetrating notch, and the connecting wire 102 penetrates through the notch to be fixed.
When the contact plate 202c moves, it contacts and presses the force-bearing plate 301c, driving the force-bearing plate 301c to move, driving the lower pressure rod 301b to move through the movement of the force-bearing plate 301c, driving the upper arc plate 301d to move through the movement of the lower pressure rod 301b, and fixing the connection wire 102 through the movement of the upper arc plate 301 d.
The bayonet lock subassembly 302 includes traction plate 302a, second spring 302b, clamping rod 302c and pin head 302d, and traction plate 302a one end and depression bar 301b fixed connection, second spring 302b both ends respectively with traction plate 302a and location storehouse 301a fixed connection, clamping rod 302c both ends respectively with traction plate 302a and pin head 302d fixed connection.
When the pressing rod 301b moves, it drives the traction plate 302a to move, the second spring 302b is stretched to deform by the movement of the traction plate 302a, and the clamping rod 302c and the pin head 302d are driven to move by the movement of the traction 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 formed in 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 clamping rod 302c and the pin head 302d are offset due to the limit of the inclined surface of the outer wall of the elastic blocking piece 303b, and as the clamping rod 302c and the pin head 302d continue to move, the pin head 302d is clamped in the positioning hole 303d, so that the two are interlocked, the pressing rod 301b cannot be reset due to the elasticity of the spring, and the clamping state is fixed.
The release assembly 304 comprises a release ejector rod 304a, a release plate 304b, a third spring 304c and a return plate 304d, wherein one end of the release ejector rod 304a penetrates through the positioning bin 301a and is fixedly connected with the release plate 304b, one end of the return plate 304d is fixedly connected with the release ejector 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 is required to be released, the release plate 304b is pressed by a user, 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 end face of the pin head 302d is contacted by the movement of the release ejector rod 304a, so that the pin head 302d is extruded, the pin head 302d is separated from the inner cavity of the positioning hole 303d, and is reset and contacted with the clamping relation by the elasticity of the second spring 302 b.
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.
Also included is a lower end module 400, the lower end module 400 including a lower fixing assembly 401 and a locking and positioning assembly 402.
The lower fixing assembly 401 comprises a lower arc plate 401a, a connecting block 401b and a lower cone block 401c, two ends of the connecting block 401b are respectively fixedly connected with the lower arc plate 401a and the lower cone block 401c, and two ends of the lower cone block 401c are provided with sliding inclined planes 401d.
When the upper arc plate 301d moves to fix and clamp the connection wire 102, the surface at the bottom of the connection wire 102 contacts and extrudes the lower arc plate 401a, the lower arc plate 401a is stressed to displace, and the connection block 401b and the lower cone block 401c are driven to displace by the stressed displacement of the lower arc plate 401 a.
The locking positioning assembly 402 comprises a sliding inclined block 402a, a sliding rod 402b, a slideway 402c and a fourth spring 402d, wherein two sides of the bottom of the lower conical block 401c are respectively arranged on the two sliding inclined blocks 402a, one end of the sliding rod 402b is fixedly connected with the sliding inclined block 402a, the other end of the sliding rod 402b is in sliding connection with the slideway 402c, the slideway 402c is arranged at the bottom of the inner wall of the positioning bin 301a, two ends of the fourth spring 402d are respectively fixedly connected with the two sliding rods 402b, one end of the sliding inclined block 402a is fixedly connected with positioning teeth 402e, and a through hole Q is formed in the sliding inclined block 402a corresponding to the outer wall of the positioning bin 301 a.
When the lower cone block 401c moves downwards, the sliding inclined planes 401d on two sides of the lower cone block contact the inclined planes on the surface of the sliding inclined block 402a, the sliding inclined planes 401d and the sliding inclined planes slide relatively, the sliding inclined block 402a moves away from the direction of the lower cone block 401c through sliding extrusion of the sliding inclined planes 401d, the sliding rod 402b is driven to move through movement of the sliding inclined block 402a, the fourth spring 402d is stretched and deformed through movement of the two sliding rods 402b, elastic energy storage is carried out through deformation of the fourth spring 402d, and after equipment is reset conveniently, the sliding inclined block 402a is reset along with the equipment.
The movement of the sliding inclined block 402a drives the positioning teeth 402e to move, and the positioning teeth 402e move to penetrate through the through hole Q and engage with the toothed plate 201d, so that the device is kept stationary, and the connecting wire 102 is kept in a stable clamped state.
The lower end fixed module 400 further comprises a return assembly 403, the return assembly 403 comprises a return loop bar 403a, a connecting plate 403b, a fifth spring 403c and a connecting rod 403e, the connecting plate 403b is arranged in the inner cavity of the return loop bar 403a, two ends of the fifth spring 403c are fixedly connected with the connecting plate 403b and the inner wall of the return loop bar 403a respectively, 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 fixedly connected with guide blocks 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 loop bar 403 a.
When lower arc plate 401a atress displacement downwards, it drives connecting rod 403e and removes, remove connecting plate 403b through the removal of connecting rod 403e, compress fifth spring 403c through the removal of connecting plate 403b and make it take place deformation, be compressed deformation through fifth spring 403c, make it carry out elasticity energy storage, after the equipment of being convenient for resets, lower arc plate 401a can reset fast, through the setting of guide block 403d and guide way, can effectively avoid connecting rod 403e and connecting plate 403b to appear the skew phenomenon of skew in the removal in-process, ensure that lower arc plate 401a can stably reciprocate.
Example 4
In order to achieve the above object, according to a fourth embodiment of the present invention, the present invention provides a photovoltaic energy storage method, including:
(1) Performing spectrum analysis on the balanced power data by adopting a Fourier transform method, and acquiring operation data of the photovoltaic power generation device in real time and operation data of a grid-connected point of the photovoltaic energy storage power station in real time;
(2) Restoring each frequency domain signal after filtering to a time domain by adopting a fast Fourier inversion 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 the grid-connected point;
(3) The super capacitor can be charged and discharged infinitely, so that the times of charging and discharging the storage battery are reduced, and the service life of the storage battery is prolonged;
(4) A gradual discharging method is adopted to avoid full charge or complete discharge of the super capacitor, so that the capacity is saved and the next direct current bus voltage fluctuation is waited;
(5) The voltage stability of the direct current bus is maintained by adopting a double closed-loop control technology, and the charging and discharging current is ensured not to exceed the maximum current bearable by the super capacitor;
(6) And three closed loop control of a direct current bus voltage outer loop, a storage battery voltage inner loop and a storage battery current inner loop are adopted to maintain the voltage stability of the direct current bus and control to prevent the over-discharge and gassing of the storage battery.
It is important to note that the construction and arrangement of the present application as shown in a variety of different 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., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described 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 present 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 invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, 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 not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing 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.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, 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 the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (2)
1. A photovoltaic energy storage device convenient mounting structure, its characterized in that: comprising the steps of (a) a step of,
the energy storage assembly (100), the energy storage assembly (100) comprises a mounting shell (101), a storage battery pack (103) and a super capacitor pack (104), 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 arranged in the mounting shell (101); the method comprises the steps of,
the device comprises an installation module (200), wherein the installation module (200) comprises an installation component (201) and a driving component (202), and the installation component (201) is movably connected with the driving component (202); the method comprises the steps of,
the upper end fixing module (300), wherein the upper end fixing module (300) comprises an upper fixing component (301), a bayonet lock component (302), a positioning component (303) and a release component (304), and the bayonet lock component (302), the positioning component (303) and the release component (304) are movably connected with the upper fixing component (301);
the mounting assembly (201) comprises a mounting frame (201 a), a positioning bottom plate (201 b), a sliding frame (201 c) and toothed plates (201 d), one end of the mounting frame (201 a) is fixedly connected with the upper end face of the positioning bottom plate (201 b), the lower end face of the positioning bottom plate (201 b) is fixedly connected with the mounting shell (101), one end of the sliding frame (201 c) is fixedly connected with the upper end face of the positioning bottom plate (201 b), and two groups of toothed plates (201 d) are respectively arranged on two sides of an inner cavity of the sliding frame (201 c);
the driving assembly (202) comprises a hand pressing rod (202 a), a hand pressing plate (202 b), a contact plate (202 c) and a first spring (202 d), one end of the hand pressing rod (202 a) penetrates through the outer side of the mounting frame (201 a), two ends of the hand pressing rod (202 a) are fixedly connected with the hand pressing 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;
the upper fixing assembly (301) comprises a positioning bin (301 a), a lower pressing rod (301 b), a stress plate (301 c) and an upper arc plate (301 d), wherein the positioning bin (301 a) is arranged in an inner cavity of the sliding frame (201 c), one end of the lower pressing rod (301 b) penetrates through the outer side of the positioning bin (301 a), and two ends of the lower pressing rod (301 b) are fixedly connected with the stress plate (301 c) and the upper arc plate (301 d) respectively;
the clamping pin 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 the lower pressing rod (301 b), two ends of the second spring (302 b) are respectively 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 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 baffle (303 b), a side plate (303 c) and a positioning hole (303 d), wherein the positioning hole (303 d) is formed in the outer wall of the positioning sleeve (303 a), the elastic baffle (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);
the release assembly (304) comprises a release ejector rod (304 a), a release plate (304 b), a third spring (304 c) and a return plate (304 d), one end of the release ejector rod (304 a) penetrates through the positioning bin (301 a) and is fixedly connected with the release plate (304 b), one end of the return plate (304 d) is fixedly connected with the release ejector rod (304 a), and two ends of the third spring (304 c) are respectively fixedly connected with the return plate (304 d) and the inner wall of the positioning bin (301 a);
the locking device further comprises a lower end fixing module (400), wherein the lower end fixing module (400) comprises a lower fixing assembly (401) and a locking positioning assembly (402);
the lower fixing assembly (401) comprises a lower arc plate (401 a), a connecting block (401 b) and a lower cone block (401 c), two ends of the connecting block (401 b) are fixedly connected with the lower arc plate (401 a) and the lower cone block (401 c) respectively, and two ends of the lower cone block (401 c) are provided with sliding inclined planes (401 d);
the locking positioning assembly (402) comprises sliding inclined blocks (402 a), sliding rods (402 b), sliding ways (402 c) and fourth springs (402 d), wherein the two sliding inclined blocks (402 a) are respectively arranged on two sides of the bottom of the lower conical block (401 c), one end of each sliding rod (402 b) is fixedly connected with the corresponding sliding inclined block (402 a), the other end of each sliding rod (402 b) is in sliding connection with the corresponding sliding way (402 c), the sliding way (402 c) is arranged at the bottom of the inner wall of the positioning bin (301 a), two ends of each fourth spring (402 d) are respectively fixedly connected with two sliding rods (402 b), positioning teeth (402 e) are fixedly connected to one end of each sliding inclined block (402 a), and through holes (Q) are formed in the outer wall of the corresponding positioning bin (301 a);
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 fixedly connected with the connecting plate (403 b) and the inner wall of the return sleeve rod (403 a) respectively, 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), guide blocks (403 d) are fixedly connected to two ends of the connecting plate (403 b), and one end of the guide blocks (403 d) is slidably connected with guide grooves which are formed in the inner wall of the return sleeve rod (403 a).
2. The photovoltaic energy storage method is characterized by comprising the following steps of: a convenient installation structure of the photovoltaic energy storage device as claimed in claim 1 is adopted, and the energy storage method comprises the following steps of,
(1) Performing spectrum analysis on the balanced power data by adopting a Fourier transform method, and acquiring operation data of the photovoltaic power generation device in real time and operation data of a grid-connected point of the photovoltaic energy storage power station in real time;
(2) Restoring each frequency domain signal after filtering to a time domain by adopting a fast Fourier inversion 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 the grid-connected point;
(3) The super capacitor can be charged and discharged infinitely, so that the times of charging and discharging the storage battery are reduced, and the service life of the storage battery is prolonged;
(4) A gradual discharging method is adopted to avoid full charge or complete discharge of the super capacitor, so that the capacity is saved and the next direct current bus voltage fluctuation is waited;
(5) The voltage stability of the direct current bus is maintained by adopting a double closed-loop control technology, and the charging and discharging current is ensured not to exceed the maximum current bearable by the super capacitor;
(6) And three closed loop control of a direct current bus voltage outer loop, a storage battery voltage inner loop and a storage battery current inner loop are adopted to maintain the voltage stability of the direct current bus and control to prevent the over-discharge and gassing of the storage battery.
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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 |
|---|
| 煤矿立井防缠绕电缆卡子制作及应用;朱华明;建井技术;第41卷(第4期);第57-60页 * |
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