Smoke detection device for energy storage battery module

Abstract

The utility model discloses a smoke detection device for an energy storage battery module, which comprises a module outer box body, a partition plate is arranged in the module outer box body, a module inner shell is arranged at the center of the top of the partition plate, screw rods are respectively and rotatably arranged at four corners of the top of the partition plate, the top ends of the screw rods are connected with support plates, and lifting blocks are sleeved outside the screw rods in a threaded manner; every two of the four lifting blocks form a group, a transverse plate is arranged between the two lifting blocks in each group, a temperature sensor is arranged at the top of the transverse plate, a smoke sensor is arranged on one side of the transverse plate, an auxiliary smoke guiding assembly is further arranged on the surface of the transverse plate, and an air spraying pipe is arranged at the top of the partition plate and comprises a vertical pipe and two transverse pipes. A driving assembly and a carbon dioxide gas tank are arranged below the partition plate; according to the device, the outer side surface of the battery module can be rapidly and comprehensively detected, smoke can be rapidly detected, then an alarm is given, the device practicability is high, the arrangement of the carbon dioxide gas tank can be used for extinguishing fire and eradicating fire behaviors, and the device safety is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to smoke detection technical field especially, relate to a kind of smoke detection device for energy storage battery module. BACKGROUND

[0002] At present in the field of energy storage container, the smoke monitoring scheme proposed for energy storage battery module mainly monitors the environment inside the container by installing a certain number of smoke sensors in the space between the outside of the battery module and the inside of the container. In the prior art, due to the advantages of high energy density, high cycle times, light weight and high performance, lithium iron phosphate battery has gradually become an indispensable part of the electrochemical energy storage industry and is widely used in energy storage projects in various industries. However, due to the internal chemical reaction, lithium iron phosphate battery will produce a lot of gas when working normally, including flammable and explosive gases such as methane and toxic gases such as carbon monoxide.

[0003] The prior art scheme, since the position of the smoke sensor is fixed, when the smoke explosion point is far from the position of the smoke sensor, the smoke sensor needs a certain time to detect the smoke, which leads to late alarm and low smoke detection performance, low practicability. Some detection devices only have detection function and no related fire extinguishing function, which leads to inability to extinguish fire in the first time and low safety. Therefore, we designed a smoke detection device for energy storage battery module. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a smoke detection device for energy storage battery module to solve the problems raised in the background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a smoke detection device for energy storage battery module, including module outer box, the top of module outer box is equipped with the box cover which is suitable for it, the inside of module outer box is equipped with the baffle, the top center of baffle is equipped with module inner casing, the surface of module inner casing is uniformly equipped with a plurality of vent hole, the inside of module inner casing is used for placing battery module, the top four corners of baffle are rotatably equipped with the lead screw respectively, the top of lead screw is connected with the support plate, the support plate is fixedly arranged on the inner side wall of module outer box, the outside of lead screw is equipped with the lifting piece of thread, four lifting pieces are two two groups, and the two lifting pieces of every group are equipped with the horizontal plate between, the top of horizontal plate is equipped with temperature sensor, the side surface center of horizontal plate close to module inner casing is equipped with smoke sensor, the surface of horizontal plate is also equipped with auxiliary smoke guide subassembly, the top of baffle is equipped with the air jet pipe, and the air jet pipe includes vertical pipe and two cross pipes, and the inside of two cross pipes is connected with the inside of vertical pipe, the surface of cross pipe is along its length direction and is equipped with a plurality of spray heads at equal intervals, a plurality of spray heads all are towards the surface of module inner casing and are arranged, the below of baffle is equipped with drive assembly and carbon dioxide gas tank.

[0007] As a preferred scheme of the utility model: the auxiliary smoke guide subassembly includes two exhaust pipes arranged on the surface of the horizontal plate, the two exhaust pipes are symmetrically distributed on the left and right sides of the smoke sensor, one end of the exhaust pipe close to the smoke sensor is provided with a fan mounting seat, the fan mounting seat is provided with a fan, the fan is opposite to the smoke sensor, one end of the two exhaust pipes away from the fan extends to the outside of the front and rear sides of the module inner casing.

[0008] As a further preferred scheme of the utility model: the drive assembly includes four sprockets rotatably arranged at the bottom of the baffle, the bottom end of the four lead screws is respectively provided with a connecting shaft, the other end of the connecting shaft is connected with the corresponding sprocket, the inner bottom wall of the module outer box is provided with a motor mounting seat, the motor mounting seat is provided with a drive motor, the output shaft of the drive motor is connected with one of the sprockets, and the four sprockets are connected through a chain transmission.

[0009] As a further preferred scheme of the utility model: the carbon dioxide gas tank is connected with an air outlet pipe at the gas outlet end, the other end of the air outlet pipe penetrates the baffle and is connected with the bottom center of the cross pipe, the air outlet pipe is provided with a valve, and the surface of the module outer box is also provided with a controller and an alarm.

[0010] As a further preferred scheme of the utility model: the outside of the exhaust pipe is provided with a plurality of fixing rings, the fixing rings are fixedly installed on the outer side surface of the horizontal plate, and the exhaust pipe is in the shape of "L".

[0011] As a further preferred scheme of the utility model: the two horizontal plates are symmetrically distributed on the left and right sides of the module inner casing.

[0012] As a further preferred embodiment of the present application: the air injection pipe is a "U" shaped structure.

[0013] The beneficial effects of the present application are: the device can drive one of the sprockets to rotate through the driving motor, and drive the other three sprockets to rotate through the chain, and then drive the four lead screws to rotate together, and then control the corresponding lifting blocks to move up and down, and then control the horizontal plate to move up and down, and then drive the temperature sensor and the smoke sensor on the surface of the horizontal plate to move up and down, so as to detect the movability of the inner box of the module; when the left and right sides of the inner shell of the module smoke, the smoke sensor can quickly detect; at the same time, the setting of the fan can draw air through the air duct, and the other end of the air duct is located on the side where the smoke sensor is not, that is, the air duct can draw air on the front and back sides of the inner shell of the module, and the gas is guided to the smoke sensor through the air duct, so when the front and back sides of the inner shell of the module smoke, the smoke sensor can also quickly detect, and the device can quickly detect the surface of the battery module from all aspects, compared with the traditional technology, the smoke can be detected faster, and then the alarm is given, and the practicability of the device is greatly improved; in addition, when the smoke sensor detects smoke or the temperature sensor detects that the temperature exceeds the preset value, the alarm is triggered to alarm at the same time, the valve is opened, the gas in the carbon dioxide tank enters the air injection pipe through the gas outlet pipe, and is sprayed out through the multiple nozzles, which plays a role in isolating oxygen, achieves the purpose of extinguishing fire and eliminating fire, prevents the battery module from continuously smoking and igniting and then causing explosion accident, and greatly improves the safety of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0015] Figure 1 It is a perspective view of the overall structure of the present application;

[0016] Figure 2 It is a main sectional view of the overall structure of the present application;

[0017] Figure 3 It is a top view of the overall structure of the present application;

[0018] Figure 4 It is a structural schematic diagram of the present application;

[0019] Figure 5 It is Figure 4 It is an enlarged view of A in the middle;

[0020] Figure 6 It is a schematic diagram of the local structure of the present application.

[0021] 1, module outer box; 2, module inner shell; 3, support plate; 4, lifting block; 5, screw rod; 6, cross plate; 7, temperature sensor; 8, partition; 9, air injection pipe; 10, air exhaust pipe; 11, nozzle; 12, fan; 13, fan mounting seat; 14, fixing ring; 15, smoke sensor; 16, drive motor; 17, chain; 18, carbon dioxide gas tank; 19, air outlet pipe; 20, valve; 21, chain wheel. DETAILED DESCRIPTION

[0022] The utility model will be explained further in detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so it only shows the relevant components of the utility model.

[0023] Please refer to Figures 1-6 In the embodiment of the utility model, a smoke detection device for energy storage battery module, including module outer box 1, the top of module outer box 1 is equipped with the box cover that is compatible with it, the box cover is not drawn in the drawing, the inside of module outer box 1 is equipped with partition 8, the top center of partition 8 is equipped with module inner shell 2, the surface of module inner shell 2 is uniformly equipped with multiple air holes, the inside of module inner shell 2 is used to place battery module, the top four corners of partition 8 are rotatably equipped with screw rod 5, the top end of screw rod 5 is connected with support plate 3, support plate 3 is fixedly arranged on the inner side wall of module outer box 1, the outside screw thread of screw rod 5 is equipped with lifting block 4, four lifting blocks 4 are in pairs, and the two lifting blocks 4 of each group are equipped with cross plate 6, two cross plates 6 are symmetrically distributed on the left and right sides of module inner shell 2, the top of cross plate 6 is equipped with temperature sensor 7, the surface center of one side of cross plate 6 close to module inner shell 2 is equipped with smoke sensor 15, the surface of cross plate 6 is also equipped with auxiliary smoke guide assembly, the top of partition 8 is equipped with air injection pipe 9, air injection pipe 9 is " U " shape structure, air injection pipe 9 includes vertical pipe and two horizontal pipes, the inside of two horizontal pipes is in communication with the inside of vertical pipe, the surface of horizontal pipe is equally spaced along its length direction and is equipped with multiple nozzles 11, multiple nozzles 11 all are towards the surface of module inner shell 2 and are equipped, the below of partition 8 is equipped with drive assembly and carbon dioxide gas tank 18.

[0024] Auxiliary smoke guide assembly includes two air exhaust pipes 10 arranged on the surface of cross plate 6, air exhaust pipe 10 is " L " shape structure, two air exhaust pipes 10 are symmetrically distributed on the left and right sides of smoke sensor 15, the outside of air exhaust pipe 10 is equipped with several fixing rings 14, fixing ring 14 is fixedly installed on the outer side surface of cross plate 6, one end of air exhaust pipe 10 close to smoke sensor 15 is equipped with fan mounting seat 13, the inside of fan mounting seat 13 is equipped with fan 12, fan 12 is opposite smoke sensor 15, the end of two air exhaust pipes 10 away from fan 12 stretches to the outside of the front and back sides of module inner shell 2.

[0025] The driving assembly comprises four chain wheels 21 arranged at the bottom of the partition plate 8, the bottom ends of the four lead screws 5 are respectively provided with connecting shafts, the other ends of the connecting shafts are respectively connected with the corresponding chain wheels 21, the inner bottom wall of the outer box body 1 of the module is provided with a motor mounting seat, the motor mounting seat is provided with a driving motor 16, the output shaft of the driving motor 16 is connected with one of the chain wheels 21, and the four chain wheels 21 are drivingly connected through a chain 17.

[0026] The gas outlet end of the carbon dioxide gas tank 18 is connected with a gas outlet pipe 19, the other end of the gas outlet pipe 19 penetrates through the partition plate 8 and is connected with the bottom center of the horizontal pipe, the gas outlet pipe 19 is provided with a valve 20, and the surface of the outer box body 1 of the module is further provided with a controller and an alarm; the controller and the alarm and the related electrical connections involved in the device all belong to the prior art and are easy to realize, and therefore will not be described in detail here.

[0027] Specifically, one of the chain wheels 21 can be driven to rotate by the driving motor 16, and the other three chain wheels 21 can be driven to rotate through the chain 17, thereby driving the four lead screws 5 to rotate together, and thereby the corresponding lifting blocks 4 can be controlled to move up and down, and thereby the horizontal plate 6 can be controlled to move up and down, and thereby the temperature sensor 7 and the smoke sensor 15 on the surface of the horizontal plate 6 can be driven to move up and down, so as to detect the movability of the inner shell 2 of the module; when smoke is generated on the left and right sides of the inner shell 2 of the module, the smoke sensor 15 can quickly detect; at the same time, the fan 12 is arranged, and air can be sucked through the air suction pipe 10, and the other end of the air suction pipe 10 is located on the side where the smoke sensor 15 is not located, that is, the air on the front and back sides of the inner shell 2 of the module can be sucked through the air suction pipe 10, and the gas is guided to the smoke sensor 15 through the air suction pipe 10, so that when smoke is generated on the front and back sides of the inner shell 2 of the module, the smoke sensor 15 can also quickly detect; in summary, the device can quickly and comprehensively detect the surface of the battery module, and compared with the traditional technology, the smoke can be detected faster, and the alarm can be given, thereby greatly improving the practicability of the device; in addition, when the smoke sensor 15 detects smoke or the temperature sensor 7 detects that the temperature exceeds the preset value, the alarm is triggered to give an alarm, and at the same time, the valve 20 is opened, the gas in the carbon dioxide gas tank 18 enters the air injection pipe 9 through the gas outlet pipe 19, and is sprayed out through the multiple spray heads 11, thereby playing a role in isolating oxygen, achieving the purpose of extinguishing the fire and eliminating the fire, preventing the battery module from continuously smoking and igniting and then causing an explosion accident, and greatly improving the safety of the device.

[0028] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A smoke detection device for an energy storage battery module, comprising an outer casing (1) of the module, wherein the top of the outer casing (1) is provided with a cover adapted thereto; characterized in that: The module outer casing (1) is provided with a partition (8) inside. The top center of the partition (8) is provided with a module inner shell (2). The surface of the module inner shell (2) is provided with multiple ventilation holes. The inside of the module inner shell (2) is used to place the battery module. The top four corners of the partition (8) are respectively provided with lead screws (5). The top of the lead screws (5) is connected to a support plate (3). The support plate (3) is fixedly set on the inner side wall of the module outer casing (1). The lead screws (5) are threaded with lifting blocks (4). The four lifting blocks (4) are grouped in pairs, and a cross plate (6) is provided between the two lifting blocks (4) in each group. A temperature sensor (7) is provided on the top of the horizontal plate (6). A smoke sensor (15) is provided at the center of the side surface of the horizontal plate (6) near the inner shell (2) of the module. An auxiliary smoke guiding component is also provided on the surface of the horizontal plate (6). An air jet pipe (9) is provided on the top of the partition (8). The air jet pipe (9) includes a vertical pipe and two horizontal pipes. The interior of the two horizontal pipes is connected to the interior of the vertical pipe. Multiple nozzles (11) are provided at equal intervals along the length of the horizontal pipe. The multiple nozzles (11) are all arranged facing the surface of the inner shell (2) of the module. A drive component and a carbon dioxide gas tank (18) are provided below the partition (8).

2. The smoke detection device for an energy storage battery module according to claim 1, characterized in that: The auxiliary smoke guiding assembly includes two exhaust pipes (10) disposed on the surface of the horizontal plate (6). The two exhaust pipes (10) are symmetrically distributed on the left and right sides of the smoke sensor (15). A fan mounting base (13) is provided at the end of the exhaust pipe (10) closest to the smoke sensor (15). A fan (12) is provided inside the fan mounting base (13). The fan (12) faces the smoke sensor (15). The ends of the two exhaust pipes (10) away from the fan (12) extend to the front and rear sides of the inner housing (2) of the module.

3. The smoke detection device for an energy storage battery module according to claim 2, characterized in that: The drive assembly includes four sprockets (21) rotatably mounted on the bottom of the partition (8). The bottom ends of the four lead screws (5) are respectively provided with connecting shafts, and the other ends of the connecting shafts are respectively connected to the corresponding sprockets (21). The inner bottom wall of the outer casing (1) of the module is provided with a motor mounting seat, and a drive motor (16) is provided on the motor mounting seat. The output shaft of the drive motor (16) is connected to one of the sprockets (21), and the four sprockets (21) are connected by a chain (17).

4. A smoke detection device for an energy storage battery module according to claim 3, characterized in that: The outlet end of the carbon dioxide tank (18) is connected to an outlet pipe (19). The other end of the outlet pipe (19) passes through the partition (8) and is connected to the bottom center of the horizontal pipe. A valve (20) is provided on the outlet pipe (19). A controller and an alarm are also provided on the surface of the outer casing (1) of the module.

5. A smoke detection device for an energy storage battery module according to claim 2, characterized in that: The exhaust pipe (10) is fitted with several fixing rings (14) on its outside. The fixing rings (14) are fixedly installed on the outer surface of the horizontal plate (6). The exhaust pipe (10) has an "L" shaped structure.

6. A smoke detection device for an energy storage battery module according to claim 1, characterized in that: The two horizontal plates (6) are symmetrically distributed on the left and right sides of the inner shell (2) of the module.

7. A smoke detection device for an energy storage battery module according to claim 6, characterized in that: The jet pipe (9) has a "U" shaped structure.

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