CN116565380A - A lithium battery energy storage system with safety protection function - Google Patents

Abstract

The invention discloses a lithium battery energy storage system with a safety protection function, wherein a lithium battery energy storage device is placed in a protection box, a sliding movable baffle plate is attached to the lithium battery energy storage device, and two limiting rods are used for rotating on the movable baffle plate until one end is abutted against the inner wall of the protection box, a sealing cover is fixed at the top of the protection box through bolts, two fan bodies are started to suck external air into a filter screen plate to intercept dust in the air, and the air flows into the protection box to cool a lithium battery in the protection box; the inner wall fixed mounting of protection box has lithium cell explosion-proof layer, and lithium cell explosion-proof layer material is silica gel coating glass fiber, and its inside is liquid silica gel glass fiber cloth simultaneously, can bear high temperature 1000 ℃, and aerosol automatic fire extinguisher is installed to the bottom of mount pad, and the inside cooling factor that contains of aerosol fire extinguisher can penetrate deeply to contain inert gas, dilutes oxygen and lets the combustion gas of lithium cell reaction become unable combustion gas.

Description

A lithium battery energy storage system with safety protection function

technical field

The invention belongs to the technical field of lithium battery energy storage equipment, and in particular relates to a lithium battery energy storage system with a safety protection function.

Background technique

Lithium battery energy storage equipment needs to fix and clamp the lithium battery first, and at the same time, in the sealed protective box, it needs to have a ventilation and heat dissipation effect inside the protective box. Because the lithium battery generates heat in the working state, it needs to be removed in time, not when it is used. It is easy to enter dust, lacks the function of controlling the closing and opening of the tuyere, and lacks a good flame retardant effect in the protective equipment.

A lithium battery energy storage system with safety protection function (application number: 201710148564.3), including a battery box, the battery box is provided with a box cover, and single cells are installed in the battery box, and the single cells are connected in parallel to form a A single-stage battery pack, the single-stage battery packs are connected in series to form an overall battery pack; an automatic fire extinguisher is installed in the battery box, and the automatic fire extinguisher is connected with an induction control device; each single battery is connected in series with a fuse; In the present invention, by connecting the fuses in series with each single battery, the phenomenon of overheating and burning caused by the short circuit of the single battery can be effectively prevented; by controlling the automatic fire extinguisher through the temperature switch, the lithium battery pack can be When the temperature is high, it will automatically turn on the fire to effectively prevent the occurrence of fire.

The above patents need to have a ventilation and cooling effect on the inside of the protective box in the sealed protective box. Because the lithium battery generates heat under working conditions, it needs to be removed in time, not when it is in use. , At the same time, there is a lack of good flame retardant effect in the protective equipment, so we need to provide a lithium battery energy storage system with safety protection function.

Contents of the invention

The purpose of the present invention is to provide a lithium battery energy storage system with a safety protection function. Put the lithium battery energy storage device into the protective box, slide the movable baffle plate to fit the lithium battery storage device, and use two limit rods in the movable block The plate rotates until one end touches the inner wall of the protective box, and the cover is fixed on the top of the protective box by bolts. The two fan bodies start to suck the outside air into the filter plate to intercept the dust in the air, and then the air flows into the protective box. , to cool down the lithium battery in the protective box; the inner wall of the protective box is fixed with a lithium battery explosion-proof layer, the lithium battery explosion-proof layer is made of silica gel coated glass fiber, and its interior is liquid silicone glass fiber cloth, which can withstand high temperature 1000 ℃ , the bottom of the mounting base is equipped with an aerosol automatic fire extinguisher, the aerosol fire extinguisher contains a cooling factor inside, can penetrate deeply, and contains an inert gas, dilute the oxygen to make the combustion gas of the lithium battery reaction into an incombustible gas, to solve the above background technology It is proposed that in the prior art, the inside of the protective box needs to be ventilated and dissipated in the sealed protective box. Because the lithium battery generates heat in the working state, it needs to be removed in time, and it is not easy to enter the dust when it is not in use. The function of opening, and the lack of good flame retardant effect in the protective equipment.

In order to achieve the above purpose, the present invention adopts the following technical solution: a lithium battery energy storage system with safety protection function, including a protective box and a cover fixed to the top of the protective box by bolts, one side of the protective box Embedded with two fan assemblies, the other side of the protective box is provided with an exhaust slot, and a plurality of rotating rods are installed in rotation inside the exhaust slot, and rotating blades are fixedly installed on the surfaces of the plurality of rotating rods , and the surface of the two rotating rods is equipped with an adjustment assembly, the front and back of the inner wall of the protective box are uniformly processed with slide rails, and a fixed baffle is fixedly installed between the two slide rails. A movable baffle is slidably installed between the slide rails, and two limit rods are installed on the inner thread of the movable baffle, and one end of the two limit rods fits with the inner wall of the protective box, and the seal Both sides of the bottom of the cover are fixed with fire extinguishing parts by bolts.

Preferably, the fan assembly includes two rectangular slots set on one side of the protective box, the inside of the two rectangular slots are fixedly installed with the fan body, and one side of the two rectangular slots is connected with a filter pieces.

Preferably, the filter element includes a filter frame fixedly installed on one side of the protective box, and a filter screen plate is fixedly installed on the top of the filter frame by bolts.

Preferably, the adjustment assembly includes gears fixedly installed on the surfaces of the plurality of rotating rods, one side of the plurality of gears is meshed with a toothed rod, and one end of the toothed rod is fixedly installed with a dial, and the dial One side of the block extends through the surface of the protective box.

Preferably, it also includes two limiting seats, the bottoms of the two limiting seats are fixedly installed on the bottom of the inner wall of the protective box, and the inside of the two limiting seats is movable with the surface of the gear rod socket.

Preferably, two sealing plates are fixedly installed on the top and the bottom of the exhaust groove, and the surfaces of the two sealing plates are attached to the surfaces of the plurality of rotating blades.

Preferably, the side of the movable baffle adjacent to the fixed baffle is provided with an adhesive layer, and the inner wall of the protective box is fixed with a lithium battery explosion-proof layer.

Preferably, the two fire extinguishing parts include mounting bases fixedly mounted on the bottom of the cover through threads, and an aerosol automatic fire extinguisher is installed on the bottom of the mounting bases.

Preferably, a handle is fixedly installed on the top of the filter screen plate, and the filter screen plate communicates with the rectangular groove.

Preferably, the top of the protective box is integrally processed with two installation strips, and the tops of the two installation strips and the bottom of the cover are fixed and installed by bolts.

Technical effects and advantages of the present invention: a lithium battery energy storage system with safety protection function proposed by the present invention has the following advantages compared with the prior art:

1. The present invention puts the lithium battery accumulator into the protective box, slides the movable baffle to fit the lithium battery, and uses two limit rods to rotate on the movable baffle until one end conflicts with the inner wall of the protective box. The bolts fix the cover on the top of the protective box, and the two fan bodies start to suck the outside air into the filter plate to intercept the dust in the air, and then the air flows into the protective box to cool down the lithium battery in the protective box. The shift block drives the movement of the gear rod. Since the gear part on the surface of the gear rod meshes with multiple gear surfaces, the gear rod will drive the gear and the rotating rod to rotate, thereby realizing the rotation of the rotating blade and adjusting the closing and opening state of the exhaust groove;

2. In the present invention, the lithium battery explosion-proof layer is fixedly installed on the inner wall of the protective box. The material of the lithium battery explosion-proof layer is silica gel-coated glass fiber, and its interior is liquid silica gel glass fiber cloth, which can withstand high temperatures of 1000 ° C. EVA sponge heat insulation layer It is used for anti-buffering and waterproof food-grade aluminum foil, and the installation is environmentally friendly. An aerosol automatic fire extinguisher is installed at the bottom of the mounting seat. The aerosol fire extinguisher contains a cooling factor inside, which can penetrate deeply, and contains inert gas to dilute oxygen to allow lithium batteries to react. The gas becomes an incombustible gas.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure pointed out in the written description as well as the appended drawings.

Description of drawings

Fig. 1 is a schematic perspective view of the structure of the present invention;

Fig. 2 is a schematic side view perspective view of the structure of the present invention;

Fig. 3 is a three-dimensional schematic view inside the protective box of the present invention;

4 is a perspective view of the fan assembly of the present invention;

Fig. 5 is a three-dimensional schematic view of the adjustment assembly of the present invention;

Fig. 6 is a three-dimensional schematic view of the fire extinguisher of the present invention.

In the figure: 1. protective box; 2. cover; 3. fan assembly; 31. rectangular groove; 32. fan body; 33. filter; 331. filter frame; 332. filter plate; 4. exhaust groove; 5. Rotating rod; 6. Rotating blade; 7. Adjusting assembly; 71. Gear; 72. Gear rod; 73. Shift block; 8. Slide rail; 9. Fixed baffle; 10. Moving baffle; 11. Limit Rod; 12, fire extinguisher; 121, mounting seat; 122, automatic aerosol fire extinguisher; 13, limit seat; 14, sealing plate; 15, bonding layer; 16, lithium battery explosion-proof layer; 17, handle; 18, installation strip.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The present invention provides a lithium battery energy storage system with a safety protection function as shown in Figures 1-6, including a protective box 1 and a cover 2 fixed to the top of the protective box 1 by bolts, and one side of the protective box 1 is embedded There are two fan assemblies 3, and the other side of the protective box 1 is provided with an exhaust groove 4, and a plurality of rotating rods 5 are installed in rotation inside the exhaust groove 4, and rotating blades 6 are fixedly installed on the surfaces of the plurality of rotating rods 5 , and the surface of the two rotating rods 5 is equipped with an adjustment assembly 7, the front and back of the inner wall of the protective box 1 are uniformly processed with a slide rail 8, and a fixed baffle plate 9 is fixedly installed between the two slide rails 8, and the two slide rails 8 is slidably installed with a movable baffle 10, and the inner thread of the movable baffle 10 is provided with two limit rods 11, and one end of the two limit rods 11 fits with the inner wall of the protective box 1, and the bottom of the cover 2 Both sides are fixed with fire extinguishing parts 12 by bolts; put the lithium battery accumulator into the protective box 1, slide the movable baffle plate 10 to fit the lithium battery accumulator, and use two limit rods 11 on the movable baffle plate 10 Rotate until one end collides with the inner wall of the protective box 1, fix the cover 2 on the top of the protective box 1 by bolts, and start the two fan bodies 32 to suck the outside air into the filter screen plate 332 to intercept the dust in the air, and then the air flows into Inside the protective box 1, the lithium battery in the protective box 1 is cooled, and the toggle block 73 drives the movement of the rack bar 72. Since the gear 71 on the surface of the rack bar 72 is meshed with the surfaces of multiple gears 71, the rack bar 72 will Drive the gear 71 and the rotating rod 5 to rotate, and then realize the rotation of the rotating blade 6, and adjust the closed and open state of the exhaust groove 4: the inner wall of the protective box 1 is fixed with a lithium battery explosion-proof layer 16, and the lithium battery explosion-proof layer 16 is made of silica gel. Layer glass fiber, and its interior is liquid silicone glass fiber cloth, which can withstand high temperature of 1000 ℃, EVA sponge heat insulation layer is used for anti-buffering, and waterproof food-grade aluminum foil, and the installation is environmentally friendly. The bottom of the mounting seat 121 is equipped with an aerosol automatic fire extinguisher 122. The aerosol fire extinguisher contains a cooling factor inside, which can penetrate deeply, and contains an inert gas, which dilutes the oxygen so that the combustion gas of the lithium battery reaction becomes an incombustible gas.

The fan assembly 3 includes two rectangular slots 31 set on one side of the protective box 1, the inside of the two rectangular slots 31 are fixedly installed with a fan body 32, and one side of the two rectangular slots 31 is connected to a filter 33, in this In the embodiment, the two fan bodies 32 start to suck the outside air into the filter element 33 to filter the dust in the air, and then flow the air into the inside of the protective box 1 to cool down the lithium battery in the protective box 1 .

The filter element 33 includes a filter frame 331 fixedly installed on one side of the protective box 1, and the top of the filter frame 331 is fixed with a filter screen plate 332 by bolts. It should be noted that the filter screen plate 332 intercepts dust in the air, thereby preventing Large particles of sundries are entered in the protective box 1.

The adjustment assembly 7 includes gears 71 fixedly mounted on the surfaces of the plurality of rotating rods 5 , one side of the plurality of gears 71 is engaged with a toothed rod 72 , and one end of the toothed rod 72 is fixedly mounted with a shifting block 73 , and one side of the shifting block 73 runs through The surface of the protective box 1 is also extended. It is worth noting that the movement of the gear bar 72 is driven by the toggle block 73. Since the gear 71 on the surface of the gear bar 72 is meshed with the surfaces of a plurality of gears 71, the gear bar 72 will drive the gears. 71 rotates with the rotating rod 5, and then realizes the rotation of the rotating blade 6, and adjusts the closing and opening state of the exhaust groove 4.

It also includes two limit seats 13, the bottoms of the two limit seats 13 are fixedly installed on the bottom of the inner wall of the protective box 1, and the inside of the two limit seats 13 is movably socketed with the surface of the gear rod 72. It needs to be explained Yes, the insides of the two limit seats 13 are movably socketed with the surface of the gear rod 72 , and the two limit seats 13 play a role in enhancing the stability of the gear rod 72 .

Two sealing plates 14 are fixedly installed on the top and the bottom of the exhaust groove 4, and the surfaces of the two sealing plates 14 are attached to the surfaces of the plurality of rotating blades 6. It is worth noting that the surfaces of the two sealing plates 14 Fitted with the surfaces of multiple rotating blades 6, the sealing plate 14 is set in a "Z" shape, which can fit well with the surfaces of the rotating blades 6, enhance the sealing effect, and also reduce air flow into the protective box 1 , has a certain flame retardant effect.

The side adjacent to the movable baffle 10 and the fixed baffle 9 is equipped with a bonding layer 15, and the inner wall of the protective box 1 is fixedly equipped with a lithium battery explosion-proof layer 16. In this embodiment, the movable baffle 10 and the fixed baffle are Adjacent sides of 9 are equipped with bonding layer 15, which is more stable in bonding with the surface of the lithium battery pack. The inner wall of the protective box 1 is fixed with a lithium battery explosion-proof layer 16, and the material of the lithium battery explosion-proof layer 16 is silica gel coated glass. Fiber, and its interior is liquid silicone glass fiber cloth, which can withstand high temperature of 1000°C, EVA sponge insulation layer is used for anti-buffering, and waterproof food-grade aluminum foil, which is environmentally friendly for installation.

The two fire extinguishers 12 include a mounting seat 121 fixedly mounted on the bottom of the cover 2 by threads, an automatic aerosol fire extinguisher 122 is installed on the bottom of the mounting seat 121, and an automatic aerosol fire extinguisher 122 is installed on the bottom of the mounting seat 121, the aerosol The inside of the fire extinguisher contains a cooling factor, which can penetrate deeply, and contains an inert gas, which dilutes the oxygen to make the combustion gas of the lithium battery reaction into an incombustible gas.

The top of filter screen plate 332 is fixedly equipped with handle 17, and filter screen plate 332 is connected with rectangular groove 31, by setting the top of filter screen plate 332 is fixedly installed with handle 17, it is convenient to extract out filter screen plate 332 for cleaning or replacement.

The top of the protective box 1 is integrally processed with two mounting strips 18, and the tops of the two mounting strips 18 and the bottom of the cover 2 are fixed and installed by bolts. In this embodiment, the top of the protective box 1 is integrally processed with two mounting strips. strip 18, and the top of the two installation strips 18 and the bottom of the cover 2 are fixed and installed by bolts, and the installation strip 18 is installed to make the installation between the cover 2 and the protective box 1 more tight

Working principle Put the lithium battery accumulator into the protective box 1, slide the movable baffle 10 to fit the lithium battery accumulator, and use two limit rods 11 to rotate on the movable baffle 10 until one end touches the inner wall of the protective box 1 , the cover 2 is fixed on the top of the protective box 1 by bolts, the two fan bodies 32 start to suck the outside air into the filter screen 332 to intercept the dust in the air, and after the air flows into the protective box 1, the protective box 1 Lithium battery cooling treatment, the toggle block 73 drives the movement of the gear bar 72, because the gear 71 on the surface of the gear bar 72 meshes with the surfaces of a plurality of gears 71, the gear bar 72 will drive the gear 71 and the rotating rod 5 to rotate, and then Realize the rotation of the rotating blade 6, and adjust the closing and opening state of the exhaust groove 4:

The inner wall of the protective box 1 is fixed with a lithium battery explosion-proof layer 16. The lithium battery explosion-proof layer 16 is made of silica gel-coated glass fiber, and its interior is made of liquid silicone glass fiber cloth, which can withstand high temperatures of 1000 ° C. The EVA sponge heat insulation layer is used for Anti-buffering, waterproof food-grade aluminum foil, environmentally friendly installation, an aerosol automatic fire extinguisher 122 is installed at the bottom of the mounting base 121, the aerosol fire extinguisher contains a cooling factor inside, which can penetrate deeply, and contains inert gas to dilute oxygen to allow lithium batteries to react and burn The gas becomes an incombustible gas.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (10)

1. The utility model provides a lithium electricity energy storage system with safety protection function, includes protection box (1) reaches protection box (1) top is through bolt fixed mounting's closing cap (2), its characterized in that: the novel fire-extinguishing device is characterized in that two fan assemblies (3) are embedded in one side of the protection box (1), an exhaust groove (4) is formed in the other side of the protection box (1), a plurality of rotating rods (5) are installed in the exhaust groove (4) in a rotating mode, rotating blades (6) are fixedly installed on the surfaces of the rotating rods (5), two adjusting assemblies (7) are installed on the surfaces of the rotating rods (5), sliding rails (8) are machined on the front surface and the back surface of the inner wall of the protection box (1) uniformly, fixed baffles (9) are fixedly installed between the sliding rails (8), movable baffles (10) are installed between the sliding rails (8) in a sliding mode, two limiting rods (11) are installed in internal threads of the movable baffles (10), one ends of the limiting rods (11) are attached to the inner wall of the protection box (1), and fire-extinguishing pieces (12) are fixedly installed on two sides of the bottom of the sealing cover (2) through bolts.

2. The lithium battery energy storage system with a safety protection function according to claim 1, wherein: the fan assembly (3) comprises two rectangular grooves (31) formed in one side of the protection box (1), fan bodies (32) are fixedly mounted in the two rectangular grooves (31), and filtering pieces (33) are communicated with one side of the two rectangular grooves (31).

3. The lithium battery energy storage system with a safety protection function according to claim 2, wherein: the filter piece (33) comprises a filter frame (331) fixedly installed on one side of the protection box (1), and a filter screen plate (332) is fixedly installed at the top of the filter frame (331) through bolts.

4. The lithium battery energy storage system with a safety protection function according to claim 1, wherein: the adjusting component (7) comprises a plurality of gears (71) fixedly arranged on the surfaces of the rotating rods (5), one sides of the gears (71) are meshed with a toothed bar (72), one end of the toothed bar (72) is fixedly provided with a shifting block (73), and one side of the shifting block (73) penetrates through the surface of the protection box (1) and extends.

5. The lithium battery energy storage system with a safety protection function according to claim 4, wherein: the protective box also comprises two limiting seats (13), wherein the bottoms of the two limiting seats (13) are fixedly arranged at the bottom of the inner wall of the protective box (1), and the interiors of the two limiting seats (13) are movably sleeved with the surface of the toothed bar (72).

6. The lithium battery energy storage system with a safety protection function according to claim 5, wherein: two sealing plates (14) are fixedly arranged at the top and the bottom of the exhaust groove (4), and the surfaces of the two sealing plates (14) are attached to the surfaces of the plurality of rotating blades (6).

7. The lithium battery energy storage system with a safety protection function according to claim 1, wherein: the movable baffle (10) and one side adjacent to the fixed baffle (9) are provided with a binding layer (15), and the inner wall of the protection box (1) is fixedly provided with a lithium battery explosion-proof layer (16).

8. The lithium battery energy storage system with a safety protection function according to claim 1, wherein: the two fire extinguishing members (12) comprise mounting seats (121) fixedly mounted at the bottoms of the sealing covers (2) through threads, and aerosol automatic fire extinguishers (122) are mounted at the bottoms of the mounting seats (121).

9. A lithium battery energy storage system with safety protection function according to claim 3, wherein: the top of the filter screen plate (332) is fixedly provided with a handle (17), and the filter screen plate (332) is communicated with the rectangular groove (31).

10. The lithium battery energy storage system with a safety protection function according to claim 1, wherein: the top of the protection box (1) is integrally provided with two mounting strips (18), and the tops of the two mounting strips (18) and the bottom of the sealing cover (2) are fixedly mounted through bolts.