CN115664041A - Energy storage system intelligence control by temperature change air supply structure - Google Patents
Energy storage system intelligence control by temperature change air supply structure Download PDFInfo
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- CN115664041A CN115664041A CN202211318413.5A CN202211318413A CN115664041A CN 115664041 A CN115664041 A CN 115664041A CN 202211318413 A CN202211318413 A CN 202211318413A CN 115664041 A CN115664041 A CN 115664041A
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
An energy storage system intelligence control by temperature change air supply structure includes: the first air supply pipeline comprises a plurality of first air duct openings; the second air supply pipelines are connected with the first air supply pipelines at the corresponding first air duct openings, each second air supply pipeline comprises a plurality of second air duct openings, and each second air duct opening is uniformly arranged on the corresponding second air supply pipeline; the accommodating cavity is internally provided with a refrigerating device and communicated with the first air supply pipeline; and the electric louver device is arranged at each first air duct opening and/or each second air duct opening. According to the intelligent temperature control air supply structure of the energy storage system, the electric shutter devices arranged at the first air duct opening and the second air duct opening are used for realizing double regulation of air quantity, the difference of the air supply quantity of the battery modules in the energy storage system is controlled within 10%, the average temperature difference between the battery modules in the energy storage system is controlled at about 1 ℃, and the cycle service life of the energy storage system is effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of energy storage, and particularly relates to an intelligent temperature control air supply structure of an energy storage system.
Background
The energy storage technology is one of the support technologies of the smart grid technology as an important link of the smart grid, a basic unit of an energy storage system is a battery cell, a plurality of battery cells form a battery module, the battery module forms a battery cluster, the battery cluster forms a battery stack, and the battery stack finally forms the whole energy storage system. The temperature difference of the internal battery core of the energy storage system has great influence on the service life of the energy storage system, the state of health (SOH) of the battery, the balance of the energy storage system and the like, and when the temperature difference of the internal battery core of the energy storage system is 10 ℃, the cycle service life of the system is reduced by 15%. Therefore, in order to reduce the temperature difference of the system battery cells and prolong the service life of the system, the temperature difference of different battery cells in the energy storage system needs to be controlled within a reasonable range.
Along with the development of the energy storage system towards the direction of high multiplying power and high energy density, the traditional energy storage heat dissipation air duct structure cannot meet the heat dissipation requirement of the large multiplying power operation of the battery cell of the energy storage system. The inside difference in temperature of energy storage system is controlled to current energy storage system adoption forced air cooling heat dissipation, fan speed governing tactics more, and there is the fluctuation of ladder nature in the change of fan rotational speed to lead to the not good control of the intake uniformity of every battery module of energy storage system inside for there is great difference in temperature in the inside electric core of whole energy storage system, thereby influences energy storage system life's problem.
Disclosure of Invention
The invention aims to solve the technical problem that the existing energy storage system cannot meet the requirement of high-rate operation heat dissipation of an energy storage system battery cell in a mode of mostly adopting air cooling heat dissipation to control temperature difference, and provides an intelligent temperature control air supply structure of the energy storage system.
The invention provides an intelligent temperature control air supply structure of an energy storage system, which comprises:
the first air supply pipeline comprises a plurality of first air duct openings;
each second air supply pipeline is connected with the corresponding first air supply pipeline at the corresponding first air passage opening, each second air supply pipeline comprises a plurality of second air passage openings, and each second air passage opening is uniformly arranged on the corresponding second air supply pipeline;
the refrigerating device is arranged in the accommodating cavity, and the accommodating cavity is communicated with the first air supply pipeline;
and the electric louver device is arranged at each first air duct opening and/or each second air duct opening.
As a further improvement of the invention, the first air supply duct is a rectangular parallelepiped duct with a hollow interior, and the accommodating cavity is vertically connected to one end of the first air supply duct.
As a further improvement of the invention, the first supply duct comprises a tapering device, the width of which tapers in the supply direction of the cooling device.
As a further improvement of the present invention, an air return opening is arranged on the accommodating cavity, and the air return opening is arranged on one side of the accommodating cavity close to the second air supply pipeline.
As a further improvement of the present invention, each second air supply duct is provided with a plurality of air guiding hoods, and each air guiding hood is connected with the corresponding electric louver device on each second air duct opening.
As a further improvement of the present invention, each of the wind guide covers is provided with at least two flow sensors.
As a further improvement of the present invention, an average value of values obtained by the flow sensors on the same air guiding cover is an actual intake air volume corresponding to the second air duct opening.
As a further improvement of the invention, the energy storage system battery module is arranged in each second air supply pipeline at a position corresponding to each second air duct opening, and the battery modules in the same second air supply pipeline form a battery cluster; the actual air inlet volume of each second air duct opening corresponds to the air inlet volume of the battery module, and the total air inlet volume of the battery module on the same second air supply pipeline corresponds to the total air inlet volume of the battery cluster.
As a further improvement of the present invention, the motorized louver device includes:
the first side plate and the second side plate are connected end to end, the number of the first side plate and the number of the second side plate are two, and the first side plate and the second side plate are arranged vertically;
the blades are uniformly arranged between the first side plate and the second side plate and are arranged in parallel with the first side plate.
As a further improvement of the present invention, the electric louver device further includes:
the adjusting screw comprises a movable rod and an adjusting handle, the movable rod is positioned between the two first side plates, penetrates through the center positions of the blades and any one of the first side plates, and is arranged in parallel with the second side plate; the adjusting handle is positioned at the center of any one of the first side plates and connected with the movable rod;
and the electromagnetic control valve is arranged on one side of the adjusting screw rod.
According to the intelligent temperature control air supply structure of the energy storage system, the electric louver devices are arranged at the first air duct opening of the first air supply pipeline and the second air duct opening of the second air supply pipeline, double regulation of air quantity is achieved, the air inlet quantity of each battery module is controlled by directly regulating the electric louver devices, cold air generated by a refrigerating device is completely utilized and directly reaches the battery modules, redundant interference in the energy storage system is avoided, industrial pain points with uneven air quantity distribution existing in the existing energy storage system battery modules due to cooling of fans are effectively improved, the air inlet quantities of different battery modules in the energy storage system are controlled within 10%, the average temperature difference between the battery modules in the whole energy storage system is about 1 ℃, the temperature uniformity of the battery modules in the energy storage system is improved, and the cycle service life of the energy storage system is effectively prolonged.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only a part of the embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of an intelligent temperature-control air supply structure of an energy storage system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first supply air duct according to an embodiment of the present invention;
FIG. 3 is a schematic view of a second supply air duct according to an embodiment of the present invention;
FIG. 4 is a schematic view of an air guiding cover according to an embodiment of the present invention;
fig. 5 is a schematic view of an electric louver device according to an embodiment of the present invention.
The meaning of the reference symbols in the drawings is:
1-a first air supply duct; 11-a first air duct opening; 12-a tapering device; 2-a second air supply pipeline; 21-a second air duct opening; 3-a containing cavity; 31-air return; 4-a wind scooper; 41-a flow sensor; 5-an electric shutter device; 51-a first side panel; 52-a second side panel; 53-leaf; 54-a movable rod; 55-an adjusting handle; 56-solenoid control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent and more obvious, the technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments of the present invention, and it should be understood that the embodiments described herein are only used for explaining the present invention, and are a part of the embodiments of the present invention, but not all embodiments, that is, the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention. The embodiments are intended to cover the features of the various embodiments as well as the method steps and sequences for constructing and operating the embodiments. However, other embodiments may be utilized to achieve the same or equivalent functions and step sequences. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the embodiments of the invention, "/" indicates an alternative meaning, for example, a/B may indicate a or B; "and/or" in the text is only an association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B may mean: the invention is described in the context of embodiments of the present application by the term "a" alone, by the term "B" alone, and by the term "a" alone, by the term "a" and "B" alone, and by the term "a" and "B" alone, it is to be understood that the preferred embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive of the invention, and that the embodiments and features of the embodiments of the present application may be combined with one another without conflict.
The embodiment of the invention provides an intelligent temperature control air supply structure of an energy storage system, which aims to solve the problems that the prior energy storage system mostly adopts an air cooling heat dissipation and fan speed regulation strategy to control the internal temperature difference of the energy storage system, and the change of the rotating speed of a fan causes that the uniformity of the air supply quantity of each battery module in the energy storage system is difficult to control due to step fluctuation, so that the battery modules in the whole energy storage system have larger temperature difference, and the service life of the energy storage system is influenced. Fig. 1 is a schematic diagram of an intelligent temperature-controlled air supply structure of an energy storage system according to an embodiment of the present invention, and as shown in fig. 1, the intelligent temperature-controlled air supply structure of an energy storage system according to this embodiment includes: a first supply duct 1, a plurality of second supply ducts 2 and an accommodation chamber 3. Hold the inside refrigerating plant that is provided with of chamber 3, and hold chamber 3 and first supply air duct 1 intercommunication, carry first supply air duct 1 with the air conditioning that refrigerating plant produced. The first air supply pipeline 1 comprises a plurality of first air supply pipeline openings 11, the first air supply pipeline 1 and the second air supply pipelines 2 are respectively connected at the first air supply pipeline openings 11, and the first air supply pipeline 1 conveys cold air to the corresponding second air supply pipeline 2 through the first air supply pipeline openings 11. Each second air supply pipeline 2 receives cold air conveyed by the first air supply pipeline 1 through the corresponding first air duct opening 11, each second air supply pipeline 2 comprises a plurality of second air duct openings 21, and each second air duct opening 21 is uniformly arranged on the corresponding second air supply pipeline 2; further, each first air duct opening 11 and/or each second air duct opening 21 is also provided with an electric shutter device 5. It should be noted that, in the intelligent temperature-controlled air supply mechanism of the energy storage system provided in the embodiment of the present invention, the battery modules in the energy storage system are disposed in the positions corresponding to the second air supply ducts 2 and corresponding to the second air duct openings 21, and the battery modules located in the same second air supply duct 2 form a battery cluster.
Specifically, as shown in fig. 1 and fig. 2, the intelligent temperature-controlled air supply structure for the energy storage system according to the embodiment of the present invention includes six first air duct openings 11, and correspondingly, each first air duct opening 11 is correspondingly connected to one second air supply duct 2, that is, the intelligent temperature-controlled air supply structure for the energy storage system according to the embodiment of the present invention includes six second air supply ducts 2, and further, each second air supply duct 2 includes six second air duct openings. It should be noted that, in the intelligent temperature-controlled air supply structure of the energy storage system provided in the embodiment of the present invention, only six first air duct openings 11, six second air supply ducts 2, and six second air duct openings are taken as an example, and in practical applications, the number of the first air duct openings, the number of the second air supply ducts, and the number of the second air duct openings are specifically adjusted according to the size of the energy storage system.
The energy storage system intelligence control by temperature change air supply structure that this embodiment provided, second wind channel mouth 21 through being located first wind channel mouth 11 of first supply air duct 1 and being located on second supply air duct 2 sets up electronic tripe device 5, the direct intake of controlling every battery module through adjusting electronic tripe device 5, the cold wind that produces refrigerating plant utilizes the direct battery module of getting up completely, there is unnecessary air interference among the avoiding energy storage system, the uneven trade pain point of the amount of wind distribution that has effectively improved current energy storage system battery module through cooling from taking the fan exists, the difference in temperature of the inside battery module of energy storage system has further been reduced, energy storage system's circulation life has been promoted.
Preferably, the first air supply duct 1 in the embodiment of the present invention is a rectangular parallelepiped duct with a hollow interior, and the accommodating chamber 3 is vertically connected to one end of the first air supply duct 1. Further, be provided with return air inlet 31 on holding chamber 3, return air inlet 31 sets up the one side that is close to second supply air duct 2 on holding chamber 3 for the hot-blast of absorption battery module production further perfects whole energy storage system intelligence control by temperature change air supply structure, makes whole structure form a complete heat dissipation circulation system, further reduces the temperature of the inside battery module of energy storage system.
Fig. 2 is a schematic view of a first air supply duct 1 according to an embodiment of the present invention, and as shown in fig. 2, the first air supply duct 1 according to the embodiment of the present invention includes a gradual change device 12, a width of the gradual change device 12 is gradually reduced along an air supply direction of a refrigeration device, specifically, a cross section of one end of the first air supply duct 1 close to the refrigeration device is larger than a cross section of one end of the first air supply duct far away from the refrigeration device.
Preferably, the refrigeration device in the embodiment of the present invention is an air conditioner.
Fig. 3 is a schematic view of a second air supply duct according to an embodiment of the present invention, as shown in fig. 3, each second air supply duct 2 is provided with a plurality of air guiding hoods 4, each air guiding hood 4 is connected to a corresponding electric louver device 5 on each second air duct opening 21, and therefore, it is effectively ensured that cold air in the second air supply duct 2 can completely enter each battery module. Furthermore, each wind scooper 4 is provided with at least two flow sensors 41, the average value of the values obtained by the flow sensors 41 on the same wind scooper 4 is the actual air intake rate corresponding to the second air duct opening, the actual air intake rate of each second air duct opening is the air intake rate corresponding to the battery module, and the total air intake rate of the battery modules on the same second air supply pipeline is the total air intake rate corresponding to the battery cluster.
Preferably, in the intelligent temperature control air supply structure for the energy storage system provided by the embodiment of the present invention, each second air supply duct 2 is correspondingly provided with six air guiding hoods 4, and it should be noted that, in the intelligent temperature control air supply structure for the energy storage system provided by the embodiment of the present invention, only six air guiding hoods are taken as an example, and in practical applications, the number of the air guiding hoods is specifically adjusted according to the size of the energy storage system. Fig. 4 is a schematic view of an air guiding cover according to an embodiment of the present invention, as shown in fig. 4, as an embodiment of the present invention, four flow sensors 41 are disposed on each air guiding cover 4, the four flow sensors 41 are uniformly distributed on the air guiding cover 4, an average value of data obtained by the four flow sensors 41 is used as an actual intake air amount corresponding to the second air duct opening 21, the actual intake air amount of each second air duct opening 21 is an intake air amount corresponding to a battery module, intake air amounts of battery modules located on a same second air supply duct 2 are compared in real time, an electric louver device 5 corresponding to the second air duct opening 21 is adjusted, and an intake air amount difference of the battery modules located on the same second air supply duct 2 is controlled within 5%; and taking the total air intake of the battery modules on the same second air supply pipeline 2 as the total air intake of the corresponding battery clusters, comparing the total air intake of each battery cluster in real time, adjusting the electric shutter device corresponding to the first air duct opening 11, and controlling the total air intake difference of each battery cluster within 5%.
Specifically, through setting up the electronic tripe device at first wind channel mouth 11 and second wind channel mouth 21, realize the dual regulation of the amount of wind, guarantee that the intake of the inside different battery modules of energy storage system all controls within 10%, and the average temperature difference between the inside battery module of whole energy storage system is about 1 ℃, has effectively promoted interior electric core temperature homogeneity of energy storage system, has further promoted energy storage system's circulation life.
Fig. 5 is a schematic view of an electric louver device 5 according to an embodiment of the present invention, where the electric louver device 5 includes: the first side plate 51 and the second side plate 52 are connected with the first side plate 51 end to end, the number of the first side plate 51 and the second side plate 52 is two, and the first side plate 51 and the second side plate 52 are arranged vertically; a plurality of blades 53, wherein each blade 53 is uniformly arranged between the first side plate 51 and the second side plate 52 and is arranged in parallel with the first side plate 51, the adjusting screw comprises a movable rod 54 and an adjusting handle 55, the movable rod 54 is positioned between the two first side plates 51, penetrates through the central positions of the blades 53 and any one of the first side plates 51, and is arranged in parallel with the second side plate 52; the adjusting handle 55 is positioned at the center of any one of the first side plates 51 and connected with the movable rod 54; and the electromagnetic control valve 56 is arranged on one side of the adjusting screw rod 56. Preferably, the electric louver device 5 in the embodiment of the present invention includes six blades 53, and when the electric louver device 5 works, the electromagnetic control valve 56 controls the adjusting screw to rotate to different degrees, and specifically, the movable rod 54 drives the blades 53 to form different tilt angles, so that the electric louver device 5 realizes different air intake amounts.
According to the intelligent temperature control air supply structure of the energy storage system, the electric shutter devices 5 are arranged at the first air duct opening 11 of the first air supply pipeline 1 and the second air duct opening 21 of the second air supply pipeline 2, the air inlet amount of each battery module is controlled by directly adjusting the electric shutter devices 5, cold air generated by a refrigerating device is completely utilized and directly reaches the battery modules, redundant air interference in the energy storage system is avoided, industrial pain points with uneven air distribution existing in the conventional battery modules of the energy storage system due to the fact that the battery modules are cooled by the fans are effectively improved, the temperature difference of the battery modules in the energy storage system is further reduced, and the cycle service life of the energy storage system is prolonged.
The above detailed description is provided for the intelligent temperature-controlled air supply structure of the energy storage system disclosed in the embodiment of the present invention, and although the preferred embodiment of the present invention has been described, it is only used as an example, and the present invention is not limited to the above-described specific implementation. Additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it will be apparent to those skilled in the art that the equivalent modifications or substitutions of the present invention are within the scope of the present invention according to the spirit of the present invention, and the equivalent changes and modifications, improvements and the like made without departing from the spirit and scope of the present invention should be covered within the scope of the present invention. In view of the above, this summary should not be construed as limiting the invention.
Claims (10)
1. The utility model provides an energy storage system intelligence control by temperature change air supply structure which characterized in that includes:
the first air supply pipeline comprises a plurality of first air duct openings;
each second air supply pipeline is connected with the corresponding first air supply pipeline at the corresponding first air passage opening, each second air supply pipeline comprises a plurality of second air passage openings, and each second air passage opening is uniformly arranged on the corresponding second air supply pipeline;
the refrigerating device is arranged in the accommodating cavity, and the accommodating cavity is communicated with the first air supply pipeline;
and the electric louver device is arranged at each first air duct opening and/or each second air duct opening.
2. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 1, wherein the first air supply duct is a rectangular parallelepiped duct with a hollow interior, and the accommodating cavity is vertically connected to one end of the first air supply duct.
3. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 1, wherein the first air supply pipeline comprises a gradual change device, and the width of the gradual change device is gradually reduced along the air supply direction of the refrigeration device.
4. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 1, wherein an air return opening is arranged on the accommodating cavity, and the air return opening is arranged on one side of the accommodating cavity close to the second air supply pipeline.
5. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 1, wherein a plurality of air guiding hoods are arranged on each second air supply pipeline, and each air guiding hood is connected with the corresponding electric louver device on each second air duct opening.
6. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 5, wherein each air guide cover is provided with at least two flow sensors.
7. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 5, wherein an average value of values obtained by the flow sensors on the same air guide cover is an actual air supply rate corresponding to the second air duct opening.
8. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 5, wherein an energy storage system battery module is arranged in each second air supply pipeline at a position corresponding to each second air duct opening, and the battery modules in the same second air supply pipeline form a battery cluster; the actual air inlet volume of each second air duct opening corresponds to the air inlet volume of the battery module, and the total air inlet volume of the battery module on the same second air supply pipeline corresponds to the total air inlet volume of the battery cluster.
9. The intelligent temperature-controlled air supply structure of the energy storage system according to claim 1, wherein the electric louver device comprises:
the two-way folding type folding table comprises a first side plate and two second side plates, wherein the two second side plates are connected with the first side plate end to end, and the first side plate and the second side plate are arranged vertically;
the blades are uniformly arranged between the first side plate and the second side plate and are arranged in parallel with the first side plate.
10. The intelligent temperature-controlled air supply structure of an energy storage system according to claim 9, wherein the electric louver device further comprises:
the adjusting screw comprises a movable rod and an adjusting handle, the movable rod is positioned between the two first side plates, penetrates through the center positions of the blades and any one of the first side plates, and is parallel to the second side plate; the adjusting handle is positioned at the center of any one of the first side plates and connected with the movable rod;
and the electromagnetic control valve is arranged on one side of the adjusting screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211318413.5A CN115664041A (en) | 2022-10-26 | 2022-10-26 | Energy storage system intelligence control by temperature change air supply structure |
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| CN202211318413.5A CN115664041A (en) | 2022-10-26 | 2022-10-26 | Energy storage system intelligence control by temperature change air supply structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826249A (en) * | 2023-08-28 | 2023-09-29 | 江苏果下科技有限公司 | Air-cooled battery outdoor cabinet and application method thereof |
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2022
- 2022-10-26 CN CN202211318413.5A patent/CN115664041A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826249A (en) * | 2023-08-28 | 2023-09-29 | 江苏果下科技有限公司 | Air-cooled battery outdoor cabinet and application method thereof |
| CN116826249B (en) * | 2023-08-28 | 2023-10-31 | 江苏果下科技有限公司 | Air-cooled battery outdoor cabinet and application method thereof |
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