CN219322359U - Solar energy utilization system - Google Patents
Solar energy utilization system Download PDFInfo
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- CN219322359U CN219322359U CN202320013301.2U CN202320013301U CN219322359U CN 219322359 U CN219322359 U CN 219322359U CN 202320013301 U CN202320013301 U CN 202320013301U CN 219322359 U CN219322359 U CN 219322359U
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Abstract
A solar energy utilization system, comprising: the photovoltaic energy storage integrated battery pack comprises a solar photovoltaic panel, a first water cooling plate and an energy storage battery pack which are sequentially arranged from top to bottom, wherein the output end of the energy storage battery module is electrically connected with the inverter, and alternating current is output outwards; the heat storage water tank is connected with the water cooling pipeline in the first water cooling plate through a water cooling circulating pipeline, and the heat storage water tank is connected with a hot water supply pipeline to supply hot water to external water equipment. According to the utility model, the solar photovoltaic panel and the energy storage battery module are integrated, the water cooling plate is arranged between the solar photovoltaic panel and the energy storage battery module, the solar photovoltaic panel and the energy storage battery module are integrated into the integrated battery pack, the water cooling plate can absorb heat of the solar photovoltaic panel and heat of the energy storage battery module at the same time, and the heat of cooling water is recovered by the heat storage water tank, so that hot water is provided for external water equipment, gradient utilization of energy is realized, and the utilization rate of system energy is improved.
Description
Technical Field
The utility model belongs to the technical field of energy systems, and particularly relates to a zero-carbon distributed solar energy utilization system.
Background
Photovoltaic power generation is used as a clean energy technology, and is combined with a photovoltaic energy storage system in recent years to become a main stream application mode of renewable energy. However, in application, it is found that the energy storage battery is integrated in the solar photovoltaic power generation structure, and because the battery system operates in a high-temperature environment, the high physical integration level often brings high-temperature stacking risk, so that the service life of the battery module is reduced, and safety accidents such as combustion and explosion of the battery module are caused when serious.
Disclosure of Invention
The utility model aims to provide a solar energy utilization system which is safe and has high comprehensive energy utilization efficiency.
In order to achieve the above object, the present utility model adopts the following technical solutions:
a solar energy utilization system, comprising: the photovoltaic energy storage integrated battery pack comprises a solar photovoltaic panel, a first water cooling plate and an energy storage battery module which are sequentially arranged from top to bottom, wherein the output end of the energy storage battery module is electrically connected with the inverter, and alternating current is output outwards; the heat storage water tank is connected with the water cooling pipeline in the first water cooling plate through a water cooling circulating pipeline, and the heat storage water tank is connected with a hot water supply pipeline to supply hot water to external water equipment.
The solar energy utilization system as described above, optionally, the heat storage water tank is connected to the water supply source through a water replenishing pipe, and a water replenishing valve is disposed on the water replenishing pipe.
The solar energy utilization system comprises a solar energy storage battery pack, a battery pack bottom shell, a solar energy management module and a battery management module, wherein the solar energy management module and the battery management module are electrically connected with the energy storage battery module, and the solar energy management module, the battery management module, the inverter and the energy storage battery modules are arranged in the battery pack bottom shell.
According to the solar energy utilization system, optionally, the energy storage battery module comprises a plurality of electric cores, a plurality of electric core fixing clamping grooves are formed in the battery pack bottom shell, and the electric cores are installed in the electric core fixing clamping grooves.
In the solar energy utilization system, optionally, the electric core is tiled in the battery pack bottom shell.
The solar energy utilization system comprises a solar energy storage integrated battery pack, and is characterized in that the solar energy utilization system comprises a battery cell, a battery cell fixing pressing plate and a fixing pressing strip, wherein the battery cell fixing pressing plate is arranged on the battery cell, the fixing pressing strip is pressed on the battery cell fixing pressing plate, and two ends of the fixing pressing strip are fixed with a battery pack bottom shell.
In the solar energy utilization system, optionally, a protection gasket is arranged between the cell fixing pressing plate and the cell.
The solar energy utilization system as described above, optionally, the water cooling circulation pipeline is provided with a water pump.
In the solar energy utilization system, optionally, a liquid level sensor is arranged in the heat storage water pipe, and the water supplementing valve is opened or closed according to signals of the liquid level sensor.
According to the solar energy utilization system, optionally, the photovoltaic energy storage integrated battery pack is electrically connected with external electric equipment through the power line, the electric equipment is provided with the second water cooling plate, and the second water cooling plate is connected with the water supply source and the water utilization equipment through the pipeline.
According to the technical scheme, the solar photovoltaic panel and the energy storage battery module are integrated, the water cooling plate is arranged between the solar photovoltaic panel and the energy storage battery module, the solar photovoltaic panel, the water cooling plate and the energy storage battery module are sequentially stacked to form the integrated battery pack with the sandwich structure, the water cooling plate can absorb heat of the solar photovoltaic panel and heat of the energy storage battery module at the same time, the heat of cooling water is recovered by the heat storage water tank, hot water is provided for external water equipment, gradient utilization of solar energy and efficient thermal management of the solar photovoltaic panel and the energy storage battery module are achieved, and the utilization rate of system energy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the following description will briefly explain the embodiments or the drawings required for the description of the prior art, it being obvious that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a block diagram showing a solar energy utilization system according to embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of a photovoltaic energy storage integrated battery pack according to embodiment 1 of the present utility model;
fig. 3 is an exploded view of a photovoltaic energy storage integrated battery according to embodiment 1 of the present utility model;
fig. 4 is a schematic structural diagram of an energy storage battery pack according to embodiment 2 of the present utility model assembled on a battery bottom case;
fig. 5 is a schematic diagram of a partially exploded structure of a photovoltaic energy storage integrated battery according to embodiment 2 of the present utility model.
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Detailed Description
In describing embodiments of the present utility model in detail, the drawings showing the structure of the device are not to scale locally for ease of illustration, and the schematic illustrations are merely examples, which should not limit the scope of the utility model. It should be noted that the drawings are in simplified form and are not to scale precisely, but rather are merely intended to facilitate and clearly illustrate the embodiments of the present utility model. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance or implying the number of technical features indicated; the terms "forward," "reverse," "bottom," "upper," "lower," and the like are used for convenience in describing and simplifying the description only, and do not denote or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, the solar energy utilization system of the embodiment includes a distributed photovoltaic energy storage integrated battery pack 1 and a heat storage water tank 2, wherein the photovoltaic energy storage integrated battery pack 1 is connected with the heat storage water tank 2 through a water cooling circulation pipeline 3, and forms a water cooling circulation loop with the heat storage water tank 2. A water pump 4 is arranged on a water cooling circulation pipeline 3 between the photovoltaic energy storage integrated battery pack 1 and the heat storage water tank 2, and the water pump 4 is used for driving a heat exchange medium to circulate between the photovoltaic energy storage integrated battery pack 1 and the heat storage water tank 2. The heat storage water tank 2 is connected with external water equipment 6 (such as a heat supply pipeline or a hot water supply pipeline of residential houses and offices) through a hot water supply pipeline 5, supplies hot water for the water equipment 6, and is connected with a water supply source 8 (such as a municipal water network) through a water supplementing pipeline 7, and a water supplementing valve 9 is arranged on the water supplementing pipeline 7. The photovoltaic energy storage integrated battery pack 1 is connected with external electric equipment 11 through a power line 10 to supply power for the electric equipment 11.
As shown in fig. 2 and 3, the photovoltaic energy storage integrated battery 1 of the present embodiment includes a solar photovoltaic panel 1-1, an energy storage battery module 1-2, a first water cooling panel 1-3, an inverter (not numbered), a management module (not numbered) and a battery bottom case 1-4. The management modules include mppt (solar management module) and bms (battery management module). The management module and the inverter are electrically connected with the energy storage battery pack 1-2, the inverter converts the electric energy output by the energy storage battery module 1-2 from direct current to alternating current and then outputs the alternating current, and the electric energy is directly supplied to external electric equipment 11 through the power line 10, so that the simplification of electrical connection is realized.
The solar energy storage battery module 1-2 is arranged in the battery pack bottom shell 1-4, the first water cooling plate 1-3 is arranged on the energy storage battery module 1-2, the solar photovoltaic plate 1-1 is arranged on the first water cooling plate 1-3, and the solar photovoltaic plate 1-1, the first water cooling plate 1-3 and the energy storage battery module 1-2 are sequentially stacked from top to bottom to form a sandwich structure. The first water cooling plate 1-3 positioned between the solar photovoltaic plate 1-1 and the energy storage battery module 1-2 can absorb heat generated by the solar photovoltaic plate 1-1 and the energy storage battery module 1-2 at the same time, so that heat dissipation and cooling of the solar photovoltaic plate 1-1 and the energy storage battery module 1-2 are realized. The medium for heat exchange is commonly used in water cooling pipelines (not shown) in the first water cooling plates 1-3, and the heat exchange medium is water. The water cooling pipeline of the first water cooling plate 1-3 is connected with the water cooling circulation pipeline 3. More specifically, the water cooling circulation pipeline 3 comprises a hot water outlet pipe 3-1 and a cold water inlet pipe 3-2, the water outlet end of the water cooling pipeline is connected with the heat storage water tank 2 through the hot water outlet pipe 3-1, and hot water with heat absorbed in the water cooling pipeline flows into the heat storage water tank 2 from the hot water outlet pipe 3-1 and is integrated with water stored in the heat storage water tank 2; the water inlet end of the water cooling pipeline is connected with the heat storage water tank 2 through the cold water inlet pipe 3-2, hot water flowing into the heat storage water tank 2 flows back into the water cooling pipeline from the cold water inlet pipe 3-2 after being cooled, and heat generated by the solar photovoltaic panel 1-1 and the energy storage battery module 1-2 is continuously absorbed, so that heat dissipation and cooling of the solar photovoltaic panel 1 and the energy storage battery module 1-2 are realized.
Optionally, a liquid level sensor (not shown) is disposed in the heat storage water tank 2, and when the liquid level sensor detects that the water level (water amount) in the heat storage water tank 2 is lower than a set threshold, the water replenishing valve 9 is opened, and cold water is replenished into the heat storage water tank 2 through the water replenishing pipe 7.
Optionally, in order to improve the comprehensive utilization rate of the system energy, a second water cooling plate can be arranged for some electric equipment 11 with larger heating value, and the second water cooling plate is connected with the water supply source 8 and the water using equipment 6 through a pipeline, so that heat dissipation of the electric equipment 11 is realized, and hot water after heat exchange can be provided for the water using equipment 6.
Example 2
As shown in fig. 4 and 5, the energy storage battery module 1-2 of the present embodiment includes a plurality of electric cores 1-2a, the electric cores are connected by copper bars to form the energy storage battery module 1-2, and the energy storage battery module 1-2 is electrically connected with the inverter 1-5, the solar management module 1-6 and the battery management module 1-7 by wire harnesses (not numbered) respectively. In the embodiment, a plurality of battery cell fixing clamping grooves 1-4a are formed in a battery pack bottom shell 1-4, and battery cells 1-2a are arranged in the battery cell fixing clamping grooves 1-4 a. The battery pack bottom shell 1-4 is also provided with a management module mounting groove (not numbered), and the inverter 1-5, the solar management module 1-6 and the battery management module 1-7 are mounted in the management module mounting groove through threaded fasteners. In order to improve heat dissipation and cooling effects, the battery cells 1-2a of the embodiment are arranged in the battery pack bottom shell 1-4 in a tiled manner, and the battery cells are not stacked in the thickness direction of the battery pack, namely, the battery cells are stacked in one layer instead of multiple layers, so that each battery cell 1-2a can be fully contacted with the first water cooling plate, and better heat dissipation and cooling effects are achieved.
Further, in order to better fix the energy storage battery module 1-2, optionally, the photovoltaic energy storage integrated battery pack 1 of this embodiment further includes a cell fixing pressing plate 1-8 and a fixing pressing strip 1-9, the cell fixing pressing plate 1-8 is horizontally placed on the cell 1-2a, the fixing pressing strip 1-9 is pressed on the cell fixing pressing plate 1-8, two ends of the fixing pressing strip 1-9 are connected with the battery pack bottom shell 1-4 through a threaded fastener, so that the cell 1-2a is fixed through the cell fixing pressing plate 1-8. The cell fixing pressing plates 1-8 can be made of materials with good heat conduction and heat dissipation performance so as to facilitate heat exchange between the cell and the water cooling plate. The battery cell fixing pressing plate 1-8 can fix a plurality of battery cells 1-2a, and the number of the battery cell fixing pressing plate 1-8 and the number of the fixing pressing strips 1-9 can be correspondingly set according to requirements. In order to prevent the battery cell 1-2a from being damaged by the pressing plate, a protection gasket 1-10 is arranged between the battery cell fixing pressing plate 1-8 and the battery cell 1-2a, the protection gasket 1-10 is arranged below the battery cell fixing pressing plate 1-8, and has a protection function on the battery cell 1-2a, and the protection gasket 1-10 in the embodiment is foam. The size and the number of the protection gaskets 1-10 can be corresponding to those of the cell fixing pressing plates 1-8.
According to the utility model, the solar photovoltaic panel and the energy storage battery module are integrated together to form the integrated battery pack, and the water cooling plate is arranged between the solar photovoltaic panel and the energy storage battery module, so that the water cooling plate can absorb heat of the solar photovoltaic panel and heat of the energy storage battery module at the same time, and the heat of cooling water is recovered by the heat storage water tank, so that hot water is provided for external water equipment, gradient utilization of energy is realized, and the utilization rate of system energy is improved.
In the present description, each part is described in a progressive manner, and each part is mainly described as a difference from other parts, so that the same or similar parts are mutually referred to. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A solar energy utilization system, comprising:
the photovoltaic energy storage integrated battery pack comprises a solar photovoltaic panel, a first water cooling plate and an energy storage battery module which are sequentially arranged from top to bottom, wherein the output end of the energy storage battery module is electrically connected with the inverter, and alternating current is output outwards;
the heat storage water tank is connected with the water cooling pipeline in the first water cooling plate through a water cooling circulating pipeline, and the heat storage water tank is connected with a hot water supply pipeline to supply hot water to external water equipment.
2. The solar energy utilization system of claim 1, wherein: the heat storage water tank is connected with a water supply source through a water supplementing pipeline, and a water supplementing valve is arranged on the water supplementing pipeline.
3. The solar energy utilization system of claim 1, wherein: the photovoltaic energy storage integrated battery pack further comprises a battery pack bottom shell, and a solar management module and a battery management module which are electrically connected with the energy storage battery module, wherein the solar management module, the battery management module, the inverter and the energy storage battery module are arranged in the battery pack bottom shell.
4. A solar energy utilization system as defined in claim 3, wherein: the energy storage battery module comprises a plurality of battery cells, a plurality of battery cell fixing clamping grooves are formed in the battery pack bottom shell, and the battery cells are arranged in the battery cell fixing clamping grooves.
5. The solar energy utilization system of claim 4, wherein: the battery cell is tiled in the battery pack bottom shell.
6. The solar energy utilization system of claim 4, wherein: the photovoltaic energy storage integrated battery pack further comprises a battery cell fixing pressing plate and a fixing pressing strip, wherein the battery cell fixing pressing plate is arranged on the battery cell, the fixing pressing strip is pressed on the battery cell fixing pressing plate, and two ends of the fixing pressing strip are fixed with a bottom shell of the battery pack.
7. The solar energy utilization system of claim 6, wherein: and a protection gasket is arranged between the cell fixing pressing plate and the cell.
8. The solar energy utilization system of claim 1, wherein: and a water pump is arranged on the water cooling circulation pipeline.
9. The solar energy utilization system of claim 2, wherein: the heat storage water tank is internally provided with a liquid level sensor, and the water supplementing valve is opened or closed according to signals of the liquid level sensor.
10. The solar energy utilization system of claim 1, wherein: the photovoltaic energy storage integrated battery pack is electrically connected with external electric equipment through a power line, the electric equipment is provided with a second water cooling plate, and the second water cooling plate is connected with a water supply source and water equipment through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320013301.2U CN219322359U (en) | 2023-01-04 | 2023-01-04 | Solar energy utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320013301.2U CN219322359U (en) | 2023-01-04 | 2023-01-04 | Solar energy utilization system |
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| Publication Number | Publication Date |
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| CN219322359U true CN219322359U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320013301.2U Active CN219322359U (en) | 2023-01-04 | 2023-01-04 | Solar energy utilization system |
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| CN (1) | CN219322359U (en) |
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2023
- 2023-01-04 CN CN202320013301.2U patent/CN219322359U/en active Active
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