CN212485476U - Battery fire protection system, energy storage battery module and echelon utilization system - Google Patents
Battery fire protection system, energy storage battery module and echelon utilization system Download PDFInfo
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- CN212485476U CN212485476U CN202022158617.XU CN202022158617U CN212485476U CN 212485476 U CN212485476 U CN 212485476U CN 202022158617 U CN202022158617 U CN 202022158617U CN 212485476 U CN212485476 U CN 212485476U
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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
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Abstract
The utility model discloses a battery fire protection system, energy storage battery module and echelon utilize system, this battery fire protection system includes: the battery rack is provided with a battery bin suitable for placing the energy storage battery module; the bin wall of the battery bin is composed of fireproof partition boards; the fireproof partition plate is composed of a plurality of layers of flexible fireproof plates and fireproof grids. So set up, can be when energy storage battery module conflagration or explosion take place, fire barrier can control fire scope or explosion range in certain extent well, can prevent that the conflagration from stretching to the energy storage battery module in other nearby battery houses. And, when producing the explosion, flexible PLASTIC LAMINATED and fire prevention grid can strike local conflagration heat source and detonation and cushion, can release the energy that the conflagration produced, restrict the conflagration to protect other energy storage battery modules not receive the damage, thereby reduce economic loss.
Description
Technical Field
The utility model relates to a large-scale energy storage technical field, concretely relates to battery fire protection system, energy storage battery module and echelon utilization system.
Background
In the megawatt-level large-scale energy storage field, along with popularization and application of a large-scale battery energy storage technology, fire prevention of a large-scale battery system is a difficult problem in the field at present. Because the existing battery system is placed in a space surrounded by the partition plates on the battery rack, the partition plates are usually made of toughened glass, and heat dissipation holes for heat dissipation of the battery system are arranged on the glass.
Because when the conflagration takes place, can't carry out timely conflagration early warning to extensive battery system to and can't in time keep apart battery system after the conflagration takes place, lead to that battery system is burnt out after the conflagration takes place, and the shock wave that battery system explosion produced can damage the battery frame, and cause the damage to the battery system in other spaces, thereby cause great economic loss. On the other hand, due to the characteristics of the battery system itself, if the fire cannot be extinguished in time, a fire may continuously spread to a nearby battery system without space protection or space damage, resulting in increased loss.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the present invention lies in the large-scale battery system existing in the prior art, after the fire disaster occurs, the great problem of economic loss caused. Thereby providing a battery fire protection system, an energy storage battery module and a echelon utilization system.
In order to achieve the above object, an embodiment of the present invention provides a battery fire protection system, which includes: the battery rack is provided with a battery bin suitable for placing the energy storage battery module; the battery compartment is composed of fireproof partition plates; the fireproof partition plate is composed of a plurality of layers of flexible fireproof plates and fireproof grids.
Optionally, the battery compartment is provided with the compartment walls only at the upper end, the lower end and the two sides.
Optionally, the flexible fireproof plate and the fireproof grating are compounded and fixed with the battery rack through bolts.
Optionally, the outermost layer of the fire barrier is the flexible fire barrier.
Optionally, the flexible fire resistant panel is an asbestos panel.
Optionally, the fire protection grate is a metal mesh with impact strength.
Optionally, the flexible fire protection plate and the edge of the fire protection grate are riveted.
Optionally, the flexible fireproof plate is provided with a through hole.
The embodiment of the utility model provides a still provide an energy storage battery module, this energy storage battery module includes: the energy storage battery modules are formed by connecting a plurality of energy storage battery monomers in series and parallel; the positive electrode bus bar is connected with the positive electrode output ends of the energy storage battery modules; and the negative bus bar is connected with the negative output ends of the energy storage battery modules.
Optionally, the positive output end and the negative output end are oppositely arranged on two sides of the energy storage battery module.
Optionally, the energy storage battery module further includes: and the protector is arranged between the positive output end and the positive bus bar and/or between the negative output end and the negative bus bar.
Optionally, the protector is a circuit breaker or a fuse.
The embodiment of the utility model provides a still provide a echelon and utilize system, this echelon utilizes system to include: a battery fire protection system as defined in any preceding claim and an energy storage battery module as defined in any preceding claim.
Compared with the prior art, the utility model, have following advantage:
1. an embodiment of the utility model provides a battery fire protection system, this battery fire protection system includes: the battery rack is provided with a battery bin suitable for placing the energy storage battery module; the bin wall of the battery bin is composed of fireproof partition boards; the fireproof partition plate is composed of a plurality of layers of flexible fireproof plates and fireproof grids.
So set up, can be when energy storage battery module conflagration or explosion take place, fire barrier can control fire scope or explosion range in certain extent well, can prevent that the conflagration from stretching to the energy storage battery module in other nearby battery houses. And, when producing the explosion, flexible PLASTIC LAMINATED and fire prevention grid can strike local conflagration heat source and detonation and cushion, can release the energy that the conflagration produced, restrict the conflagration to protect other energy storage battery modules not receive the damage, thereby reduce economic loss.
2. The embodiment of the utility model provides a through the battery frame is in the front side and/or the rear side of battery compartment are provided with open channel, can fully release around the energy that the explosion produced and heat radiation to restrict the conflagration, can protect adjacent other energy storage battery modules not infringed, furthest reduces the fire loss.
3. The embodiment of the utility model provides a through inciting somebody to action flexible PLASTIC LAMINATED with the fire prevention grid sets up in turn, can strengthen the intensity of fire barrier for when the conflagration takes place, fire barrier is enough to keep out the energy that the energy storage battery module explosion produced, thereby protects other energy storage battery modules not receive the damage, thereby reduces economic loss.
4. The embodiment of the utility model provides a through setting up the outmost of fire barrier into flexible PLASTIC LAMINATED, can directly change the radiation direction of heat source with the mode of flexible buffering to can protect near energy storage battery module.
5. The embodiment of the utility model provides a through seted up the through-hole on flexible PLASTIC LAMINATED, can play the radiating effect of energy storage battery module in to the battery compartment, can also guarantee the normal work of energy storage battery module when playing fire prevention and explosion-proof effect.
6. The embodiment of the utility model provides an energy storage battery module, this energy storage battery module includes: the energy storage battery modules are formed by connecting a plurality of energy storage battery monomers in series and parallel; the positive electrode bus bar is connected with the positive electrode output ends of the energy storage battery modules; and the negative bus bar is connected with the negative output ends of the energy storage battery modules.
So set up, through being connected energy storage battery module's anodal output and anodal busbar, the negative pole output is connected with the negative pole busbar for need not to connect through the flexible conductor between a plurality of energy storage battery modules. After the plurality of energy storage battery modules are connected through the positive bus bar and the negative bus bar, short circuit can not occur due to the fact that a certain distance exists between the positive bus bar and the negative bus bar, and therefore short circuit faults between the positive pole and the negative pole of the energy storage battery modules are solved.
7. The utility model discloses a set up anodal output and negative pole output in the both sides of energy storage battery module relatively, can increase the distance between anodal busbar and the negative pole busbar to the at utmost to guarantee that short circuit fault can not take place between the positive negative pole of energy storage battery module.
8. The utility model discloses a set up the protector, can be when energy storage battery module is inside breaks down, with the circuit disconnection to play the guard action to energy storage battery module. Moreover, the energy storage battery module is open compared with a battery plug box in the prior art, when the energy storage battery module breaks down, the energy storage battery monomer which breaks down can be replaced, and the energy storage battery module is not required to be replaced integrally. And when the battery capacity of the single energy storage battery is attenuated to be below the preset value of the rated capacity, the protector is directly disconnected, and the single energy storage battery is replaced, so that the single replaced energy storage battery can be subjected to resource treatment, and the single energy storage battery is utilized in a gradient manner.
9. The utility model also provides a echelon utilization system, this echelon utilization system includes: a battery fire protection system as defined in any preceding claim and an energy storage battery module as defined in any preceding claim.
So set up, can put energy storage battery monomer on the battery frame of on-the-spot assembly, technical staff can carry out nimble series-parallel connection according to the demand of different application scenarios and according to actual conditions to energy storage battery monomer, constitutes the energy storage battery module of different power. Moreover, technicians can replace the energy storage battery monomer at any time in the later period conveniently. Therefore, the replaced single energy storage battery can be subjected to resource treatment, and the single energy storage battery can be utilized in a gradient manner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and obviously, the drawings in the following description are some embodiments of the present invention, and for a worker in the field, without creative efforts, other drawings can be obtained according to the drawings.
Fig. 1 is a schematic structural diagram of a battery holder according to an embodiment of the present invention;
FIG. 2 is a schematic view of a fire barrier according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an energy storage battery module according to an embodiment of the present invention.
Reference numerals:
1-energy storage battery monomer; 2-an energy storage battery module; 3-a protector; 4-positive bus bar; 5-a negative bus bar; 6-electrical load; 7-a battery holder; 8-a fire barrier; 9-a through hole; 10-flexible fire-proof plate; 11-fire protection grids.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary workers in the field without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases for ordinary workers in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
In the megawatt-level large-scale energy storage field, along with popularization and application of a large-scale battery energy storage technology, fire prevention of a large-scale battery system is a difficult problem in the field at present. Because the existing battery system is placed in a space surrounded by the partition plates on the battery rack, the partition plates are usually made of toughened glass, and heat dissipation holes for heat dissipation of the battery system are arranged on the glass. Because when the conflagration takes place, can't carry out timely conflagration early warning to extensive battery system to and can't in time keep apart battery system after the conflagration takes place, lead to that battery system is burnt out after the conflagration takes place, and the shock wave that battery system explosion produced can damage the battery frame, and cause the damage to the battery system in other spaces, thereby cause great economic loss. On the other hand, due to the characteristics of the battery system itself, if the fire cannot be extinguished in time, a fire may continuously spread to a nearby battery system without space protection or space damage, resulting in increased loss.
The embodiment of the utility model provides a pair of battery fire protection system, energy storage battery module and echelon utilize the system can solve the extensive battery system who exists among the prior art after the conflagration takes place, the great problem of economic loss that causes.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a battery fire protection system, which includes a battery rack 7 and a battery compartment.
The battery compartment is arranged on the battery frame 7 and is suitable for placing the energy storage battery module. The battery compartment is surrounded by a fire barrier 8. The fire barrier 8 consists of a flexible fire protection plate 10 and a fire protection grate 11. Of course, to ensure the strength of the fire barrier 8, the fire barrier 8 may be composed of multiple layers of flexible fire-proof boards 10 and multiple layers of fire-proof grids 11.
So set up, can be when energy storage battery module conflagration or explosion take place, fire barrier 8 can be well with fire hazard range or explosion range control in certain extent, can prevent that the conflagration from stretching to the energy storage battery module in other nearby battery houses. And, when producing the explosion, flexible PLASTIC LAMINATED 10 and fire prevention grid 11 can be strikeed and cushion local conflagration heat source and detonation, can release the energy that the conflagration produced, restrict the conflagration to protect other energy storage battery module not receive the damage, thereby reduce economic loss.
The embodiment of the utility model provides an in, the front side and the rear side of battery compartment do not set up fire barrier 8, have only set up fire barrier 8 about with. The battery holder 7 is also provided with open channels at the front and rear sides of the battery compartment. Specifically, in the battery fire protection system, the battery racks 7 are arranged side by side, and a certain safety distance is arranged between every two rows of battery racks 7, so that the above-mentioned open channel is arranged between the safety distances.
So set up, can fully release the energy and the heat radiation that the explosion produced in the position around the battery compartment to restrict the conflagration, can protect adjacent other energy storage battery module not infringed, furthest reduces the fire loss.
Optionally, in the embodiment of the present invention, the fireproof partition plate 8 is formed by combining a flexible fireproof plate 10 and a fireproof grid 11, and the fireproof partition plate 8 and the battery rack 7 are fixed by bolts.
So set up, can strengthen the intensity of fire barrier 8 for when the conflagration takes place, fire barrier 8 is enough to keep out the energy that the energy storage battery module explosion produced, thereby protects other energy storage battery modules not to receive the damage, thereby reduces economic loss.
Specifically, the outermost layer of material may be provided as the flexible fireproof plate 10, and the radiation direction of the heat source may be directly changed in a flexible buffering manner, so that the energy storage battery module nearby may be protected.
As shown in fig. 2, in the embodiment of the present invention, the fireproof partition 8 is made of three layers, the first layer is a flexible fireproof plate 10, the second layer is a fireproof grid 11, and the third layer is a flexible fireproof plate 10. The flexible fire shield 10 is to be contrasted with rigid fire-resistant material, which may be, for example, asbestos board, glass wool, etc., and the rigid fire shield may be, for example, concrete, cement mortar, etc. The fire protection grate 11 may be a metal mesh with a certain strength to ensure that the fire protection grate 11 does not melt and damage under the high temperature and impact conditions of a fire.
The edge of the fireproof partition plate 8 is provided with a via hole, and the multilayer flexible fireproof plate 10 and the multilayer fireproof grating 11 are directly riveted through rivets.
Optionally, the embodiment of the utility model provides an in, seted up through-hole 9 on the flexible PLASTIC LAMINATED 10, can play the radiating effect of energy storage battery module in the battery compartment, can also guarantee the normal work of energy storage battery module when playing fire prevention and explosion-proof effect.
Example 2
As shown in fig. 3, the embodiment of the utility model provides an energy storage battery module, this energy storage battery module includes: a plurality of energy storage battery modules 2, a positive busbar 4 and a negative busbar 5, and a battery fire protection system as described in any of the above embodiments.
The energy storage battery module 2 is formed by connecting a plurality of energy storage battery monomers 1 in series and parallel, an anode output end and a cathode output end are formed on the energy storage battery module 2, and a certain distance exists between the anode output end and the cathode output end. The positive outputs of all the energy storage battery modules 2 are all connected to a positive busbar 4, and the negative outputs of all the energy storage battery modules 2 are all connected to a negative busbar 5. Because the positive output end and the negative output end have a certain distance, a certain distance also exists between the positive bus bar 4 and the negative bus bar 5. The distance can be determined by a person skilled in the art according to the actual situation.
So set up, through being connected energy storage battery module 2's anodal output and anodal busbar 4, the negative pole output is connected with negative pole busbar 5 for need not to connect through the flexible conductor between a plurality of energy storage battery module 2. After the energy storage battery modules 2 are connected through the positive electrode bus bar 4 and the negative electrode bus bar 5, the short circuit condition cannot occur due to the certain distance between the positive electrode bus bar 4 and the negative electrode bus bar 5, and therefore the short circuit fault between the positive electrode and the negative electrode of the energy storage battery modules 2 is solved.
Optionally, in some embodiments of the present invention, the positive output end and the negative output end of the energy storage battery module 2 are disposed on two sides of the energy storage battery module 2 relatively.
The bus-bar method widens the distance between the anode and the cathode of the energy storage battery module 2, so that the distance between the led bus-bars is correspondingly widened, the safety distance and the strength of the bus-bars are improved, the condition of mutual lap joint between carriers is avoided, and the short circuit risk is reduced.
The utility model discloses a set up anodal output and negative pole output in energy storage battery module 2's both sides relatively, can increase the distance between anodal busbar 4 and the negative pole busbar 5 to the at utmost to guarantee that short circuit fault can not take place between the positive negative pole of energy storage battery module 2.
Optionally, in some embodiments of the present invention, the energy storage battery module further includes a protector 3, the protector 3 is disposed between the positive output end and the positive bus bar 4, and between the negative output end and the negative bus bar 5.
Of course, the protector 3 may be provided only between the positive output terminal and the positive bus bar 4 or between the negative output terminal and the negative bus bar 5. The present embodiment is merely an example, and does not limit the position where the protector 3 is disposed. The technical personnel in the field can change the setting position of the protector 3 according to the actual situation, and can play corresponding protective action.
The protector 3 may be a circuit breaker and a fuse connected in series. Of course, the protector 3 may also be a separately provided breaker or fuse.
The utility model discloses a set up protector 3, can be when the inside trouble that breaks down of energy storage battery module 2, with the circuit disconnection to play the guard action to energy storage battery module 2. Moreover, because the energy storage battery module 2 of the present application is open compared with the battery plug box in the prior art, when the energy storage battery module 2 fails, the failed energy storage battery cell 1 can be replaced without replacing the energy storage battery module 2 as a whole.
Moreover, when the battery capacity of the energy storage battery monomer 1 is attenuated to be below the preset value of the rated capacity, the protector 3 is directly disconnected, and the energy storage battery monomer 1 can be directly replaced, so that the replaced energy storage battery monomer 1 can be subjected to resource treatment, and the gradient utilization of the energy storage battery monomer 1 is realized. Thereby play and reduce energy storage battery module 2 fault rate, improve the stability of energy storage battery module, the effect of equipment flexibility, finally can promote the security and the whole generating efficiency of energy storage battery module.
Example 3
The utility model also provides a echelon utilization system, this echelon utilization system includes: the battery fire protection system and the energy storage battery module according to the above embodiments.
So set up, technical staff can be when the site operation, put energy storage battery monomer 1 on the battery frame 7 of site assembly, and technical staff can also carry out nimble series-parallel connection according to the demand of different application scenarios and according to actual conditions to energy storage battery monomer 1, constitutes the energy storage battery module 2 of different power. In addition, technicians can replace the energy storage battery monomer 1 at any time in the later period conveniently. Therefore, the replaced energy storage battery monomer 1 can be subjected to resource treatment, and the echelon utilization of the energy storage battery monomer 1 is realized. The energy storage battery module 2 is prevented from being damaged once, and the battery plug box is not required to be integrally replaced. Thereby increasing the flexibility of the energy storage battery module 2.
Optionally, in some embodiments of the present invention, a mounting/dismounting hole is provided at a position corresponding to the energy storage battery cell 1 in each of the battery compartments. Technicians can replace and install the energy storage battery monomer 1 through the dismounting and mounting port.
The positive electrode bus bar 4 and the negative electrode bus bar 5 are provided on the battery holder 7. In order to ensure the maximum distance between the positive busbar 4 and the negative busbar 5, the positive output end and the negative output end of each energy storage battery module 2 can only be respectively led out from two opposite or adjacent sides of the battery rack 7 and then connected to the positive busbar 4 and the negative busbar 5 in parallel, and the converged large current is connected to the electric load 6 through an independent cable. The positive electrode bus bar 4 and the negative electrode bus bar 5 are bus hard bus bars.
The utility model discloses a will anodal busbar 4 with negative pole busbar 5 sets up on the battery rack 7, can widen the distance between 2 positive poles of energy storage battery module and the negative pole at the at utmost, also can avoid the trouble of the short circuit to appear easily between 2 positive poles of energy storage battery module.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Variations and modifications in other variations may occur to those skilled in the art based upon the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (13)
1. A battery fire protection system, comprising:
the battery rack (7) is provided with a battery bin suitable for placing the energy storage battery module (2); the battery compartment is surrounded by a fireproof partition plate (8);
the fireproof partition plate (8) is composed of a flexible fireproof plate (10) and a fireproof grating (11).
2. The battery fire protection system according to claim 1, wherein the battery rack (7) is not provided with the fire barrier (8) on the front and rear sides and is provided with an open channel on the front and/or rear side of the battery compartment.
3. The battery fire protection system according to claim 1, wherein the fire barrier (8) is formed by combining the flexible fire protection plate (10) and the fire protection grid (11) and is fixed to the battery frame (7) by bolts.
4. A battery fire protection system according to any of claims 1-3, wherein the outermost layer of the fire barrier (8) is the flexible fire protection plate (10).
5. A battery fire protection system according to any of claims 1-3, wherein the flexible fire protection plate (10) is an asbestos plate.
6. Fire protection system for batteries according to any of claims 1 to 3, characterized in that said fire protection grid (11) is a metal mesh with impact strength.
7. A battery fire protection system according to any of claims 1-3, wherein the edges of the multi-layer flexible fire protection plate (10) and the multi-layer fire protection grid (11) are riveted.
8. A battery fire protection system according to any of claims 1-3, wherein the flexible fire protection plate (10) is provided with through holes (9).
9. An energy storage battery module, comprising:
the battery fire protection system of any of claims 1-8, and,
the energy storage battery comprises a plurality of energy storage battery modules (2), wherein each energy storage battery module (2) is formed by connecting a plurality of energy storage battery monomers (1) in series and parallel;
the positive electrode bus bar (4) is connected with the positive electrode output ends of the energy storage battery modules (2);
and the negative electrode bus bar (5) is connected with the negative electrode output ends of the energy storage battery modules (2).
10. The energy storage battery module as recited in claim 9, wherein the positive output end and the negative output end are oppositely disposed on two sides of the energy storage battery module (2).
11. The energy storage battery module of claim 9, further comprising:
and the protector (3) is arranged between the positive output end and the positive bus bar (4) and/or between the negative output end and the negative bus bar (5).
12. Energy storage battery module according to claim 11, characterized in that the protector (3) is a circuit breaker and/or a fuse.
13. A echelon utilization system, comprising:
an energy storage battery module as claimed in any of claims 9 to 12.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112018297A (en) * | 2020-09-27 | 2020-12-01 | 中国华电科工集团有限公司 | Battery fire protection system, energy storage battery module and echelon utilization system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018297A (en) * | 2020-09-27 | 2020-12-01 | 中国华电科工集团有限公司 | Battery fire protection system, energy storage battery module and echelon utilization system |
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