Fire-fighting equipment and battery standing goods shelf

Abstract

The utility model relates to the technical field of batteries, in particular to fire fighting equipment and a battery standing goods shelf, the fire fighting equipment comprises a main pipeline, a spraying mechanism, a valve body assembly and a detection mechanism, and the main pipeline is provided with a water inlet and a water outlet; the spraying mechanism is connected with the main pipeline, and a flow channel is formed in the spraying mechanism; the valve body assembly is arranged between the spraying mechanism and the main pipeline, and the water outlet and the flow channel are communicated or disconnected through opening and closing; the detection mechanism is arranged on the spraying mechanism and used for detecting the pressure in the flow channel, and the fire-fighting equipment can make a quick response after fire catching, can avoid water leakage and mistaken spraying of the spraying head and is high in safety.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to fire-fighting equipment and battery storage racks. Background Art

[0002] In the production process of square lithium-ion batteries, normal temperature and high temperature static conditions are required after charging and discharging or before OCV testing: first, to ensure that the electrolyte inside the battery is fully infiltrated; second, through static conditions, the internal polarization of the battery cell is eliminated to ensure more accurate test data. Each static condition usually lasts for a dozen hours or 3-5 days. In this way, the workshop needs to be equipped with a large number of static storage locations to meet the static process requirements.

[0003] Since most of the batteries are charged, they may also have internal short circuits and catch fire during the static storage process. Generally, static storage locations need to be equipped with corresponding firefighting measures. However, the current static storage firefighting system is prone to water leakage, which will pose a safety hazard and affect the appearance and performance of the battery cells. Utility Model Content

[0004] The present application provides a fire-fighting device and a battery storage shelf, which are used to solve the problem that lithium-ion battery static fire-fighting systems in the prior art are prone to water leakage.

[0005] In one aspect, the present application provides a fire fighting device, comprising:

[0006] A main pipe having a water inlet and a water outlet;

[0007] A spray mechanism is connected to the main pipe, and a flow channel is formed inside the spray mechanism;

[0008] The valve body assembly is arranged between the spray mechanism and the main pipe, and connects or disconnects the water outlet and the flow channel by opening and closing;

[0009] The detection mechanism is arranged on the spray mechanism and is used to detect the pressure in the flow channel.

[0010] In one possible design, the detection mechanism includes:

[0011] Pressure switch, used to detect the pressure in the flow channel;

[0012] An air compressor is connected to the spray mechanism and is used to blow gas into the flow channel to maintain a preset pressure in the flow channel.

[0013] In a possible design, it also includes an exhaust valve, which is installed on the spray mechanism. The exhaust valve discharges the gas in the flow channel or seals the gas in the flow channel by opening and closing.

[0014] In one possible design, the spray mechanism includes:

[0015] A fluid pipeline, wherein the inner cavity of the fluid pipeline forms a flow channel, the fluid pipeline has a first inlet, a second inlet, a first outlet and a second outlet, the first inlet is connected to the water outlet, the second inlet is connected to the air outlet of the air compressor, and the second outlet is connected to the air channel of the exhaust valve;

[0016] A closed nozzle, wherein the water inlet end of the closed nozzle is connected to the first outlet.

[0017] In one possible design, the valve body assembly includes:

[0018] At least two connecting pipelines, with both ends of the connecting pipelines being connected to the water outlet and the first inlet respectively;

[0019] The valve body is installed on each connecting pipeline respectively, and the water outlet is connected with or disconnected from the first inlet by opening and closing.

[0020] In a possible design, the valve body mechanism further includes:

[0021] A first inspection valve is provided at one end of the connecting pipeline;

[0022] The second inspection valve is arranged at the other end of the connecting pipeline.

[0023] In a possible design, the fire fighting equipment further includes a one-way valve, which is disposed at a position of the fluid pipeline close to the second inlet.

[0024] In a possible design, a water test port is provided at the end of the main pipeline, and a drain valve and a pressure detection instrument are provided near the water test port on the main pipeline, and the pressure detection instrument is used to detect the water pressure of the water test port.

[0025] In a possible design, the fire fighting equipment further includes a temperature sensor and / or a smoke sensor.

[0026] On the other hand, the present application also provides a battery storage rack, including the fire-fighting equipment as described above.

[0027] The beneficial effects of this application are as follows:

[0028] The fire-fighting equipment of the present application, by setting a valve body assembly between the sprinkler mechanism and the main pipe, uses the valve body assembly to control the connection or disconnection of the water outlet with the flow channel. Specifically: under normal conditions, the valve body assembly controls the connection or disconnection of the water outlet with the flow channel, the main pipe is filled with water, but the sprinkler mechanism is not filled with water, thereby preventing the sprinkler mechanism from leaking under normal conditions; under a fire state, the valve body assembly controls the connection of the water outlet with the flow channel, and the water in the main pipe passes through the flow channel to the sprinkler mechanism to achieve fire extinguishing.

[0029] By setting a detection mechanism on the spray mechanism, the detection mechanism is used to detect the pressure in the flow channel. When the flow channel is not filled with water, the pressure in the flow channel is detected to be constant within a certain range to confirm whether the closed nozzle of the spray mechanism is damaged. Specifically: when the pressure in the flow channel is constant within a certain range, it proves that the air tightness of the flow channel is good. After some glass beads are broken due to high temperature or fire, water leakage will not occur at other closed nozzles that have not been broken, thereby ensuring that the battery in a normal state will not come into contact with water when a fire occurs.

[0030] Since the battery storage rack provided in the present application includes the fire-fighting equipment in the present application, it also includes all the above-mentioned advantages of the fire-fighting equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 A schematic diagram of the structure of a fire-fighting device provided for one embodiment of the present application;

[0033] Figure 2 for Figure 1 The enlarged view of the structure at A;

[0034] Figure 3 for Figure 1 The enlarged view of the structure at B;

[0035] Figure 4 for Figure 1 The enlarged view of the structure at C;

[0036] Figure 5 Flow chart of fire fighting equipment.

[0037] Reference numerals:

[0038] 100, main pipeline; 110, water inlet; 120, water outlet; 130, water test port; 200, spray mechanism; 210, fluid pipeline; 211, first inlet; 212, second inlet; 213, first outlet; 214, second outlet; 215, flow channel; 220, closed nozzle; 300, valve body assembly; 310, connecting pipeline; 320, valve body; 330, first inspection valve; 340, second inspection valve; 400, detection mechanism; 410, pressure switch; 420, air compressor; 500, exhaust valve; 600, one-way valve; 710, drain valve; 720, pressure detection instrument. DETAILED DESCRIPTION

[0039] The technical solution of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0040] At present, the fire-fighting equipment for battery static storage is generally the following:

[0041] 1. Exploding bead water spray system: When the temperature exceeds a certain temperature, the blasting beads explode and start spraying water immediately. There is a risk of water leakage at the unexploded nozzles, which affects the appearance and performance of the battery cells.

[0042] 2. Pre-action bursting bead water sprinkler system: In addition to the bursting bead sprinkler at normal temperature, a manual-automatic integrated valve is set at one end of the tunnel. After the bursting bead is broken, another signal integrated valve is required to open, and water will enter the pipeline. However, the response time of the pre-action valve is too long, and the theoretical time is about two minutes. If the response time is too long, the risk of battery cell fire is greater.

[0043] 3.1230 / Water-gas integrated fire extinguishing system: When there is a fire alarm, spray perfluorohexanone fire extinguishing agent first, then spray water. However, the storage space is closed on five sides, the maintenance time is short, there is a risk of secondary fire in the storage space, and the system is expensive and occupies a large space.

[0044] Based on this, a fire-fighting equipment is provided in an embodiment of the present application, which can respond quickly after a fire and avoid accidental spraying caused by water leakage from the nozzle.

[0045] Combine the following Figure 1-Figure 5 , describes a fire-fighting equipment provided in an embodiment of the present application, including a main line 100, a sprinkler mechanism 200, a valve body assembly 300 and a detection mechanism 400, the main line 100 has a water inlet 110 and a water outlet 120; the sprinkler mechanism 200 is connected to the main line 100, and a flow channel 215 is formed inside the sprinkler mechanism 200; the valve body assembly 300 is arranged between the sprinkler mechanism 200 and the main line 100, and the water outlet 120 is connected to or disconnected from the flow channel 215 by opening and closing; the detection mechanism 400 is arranged on the sprinkler mechanism 200, and is used to detect the pressure in the flow channel 215. In some specific embodiments, the water inlet 110 is connected to a water pump device, which is used to provide water to the main line 100 to keep the main line 100 filled with water; the spray mechanism 200 is composed of a nozzle and a pipe, and the inner cavity of the pipe is the flow channel 215 of the spray mechanism 200; the detection mechanism 400 can be a pressure gauge, a pressure detector, a pressure sensor, etc.

[0046] By utilizing the technical solution of the above-mentioned embodiment, a valve body assembly 300 is arranged between the sprinkler mechanism 200 and the main pipe 100, and the valve body assembly 300 is used to control the connection or disconnection of the water outlet 120 with the flow channel 215. Specifically: in a normal state, the valve body assembly 300 controls the connection or disconnection of the water outlet 120 with the flow channel 215, and the main pipe 100 is filled with water, but the sprinkler mechanism 200 is not filled with water, thereby preventing the sprinkler mechanism 200 from leaking water in a normal state; in a fire state, the valve body assembly 300 controls the connection of the water outlet 120 with the flow channel 215, and the water in the main pipe 100 passes through the flow channel 215 to the sprinkler mechanism 200 to achieve fire extinguishing.

[0047] By setting a detection mechanism 400 on the spray mechanism 200, the detection mechanism 400 is used to detect the pressure in the flow channel 215. When the flow channel 215 is not filled with water, it is detected whether the pressure in the flow channel 215 is constant within a certain range to confirm whether the closed nozzle 220 of the spray mechanism 200 is damaged. Specifically: when the pressure in the flow channel 215 is constant within a certain range, it is proved that the air tightness of the flow channel 215 is good. After some glass beads are broken due to high temperature or fire, other unbroken closed nozzles 220 will not leak, thereby ensuring that the battery in a normal state will not contact water when a fire occurs; when the pressure in the flow channel 215 continues to decrease and there is no fire, it is proved that the closed nozzle 220 of the spray mechanism 200 is damaged, so that the damaged nozzle can be repaired in time.

[0048] Reference Figure 1 , Figure 2 , Figure 3 As shown, in some embodiments of the present application, the detection mechanism 400 includes a pressure switch 410 and an air compressor 420, the pressure switch 410 is used to detect the pressure in the flow channel 215, and the air compressor 420 is connected to the spray mechanism 200, and is used to blow gas into the flow channel 215 so that the flow channel 215 maintains a preset pressure. In some specific embodiments, the preset pressure ranges from 0.03 to 0.05 MPa, that is, the air compressor 420 maintains the air pressure of the flow channel 215 at 0.03 to 0.05 MPa by blowing gas. In other embodiments, it also includes an air supply pipeline, the air outlet of the air compressor 420 is connected to one end of the air supply pipeline, and the other end of the air supply pipeline is connected to the spray mechanism 200.

[0049] By using the technical solution of the above embodiment, the air pressure of the flow channel 215 can be maintained within a preset pressure range by setting a pressure switch 410 and an air compressor 420, so as to detect whether the closed nozzle 220 is damaged by checking whether the pressure drops suddenly. Specifically: when the pressure switch 410 detects that the pressure in the flow channel 215 is lower than 0.03Mpa, the air compressor 420 starts to blow compressed air into the flow channel 215 of the spray mechanism 200 until the air pressure in the flow channel 215 reaches 0.05Mpa, and the air compressor 420 stops working. When some closed nozzles 220 are damaged, the air tightness of the flow channel 215 will be affected, so that the air pressure of the flow channel 215 will continue to decrease, and the maintenance personnel will be promptly alerted to repair all the nozzles, find out the damaged nozzles and replace them in time, so as to avoid water leakage at the damaged nozzles and accidentally damage the batteries at the corresponding nozzles in case of fire.

[0050] Reference Figure 3 As shown, in some embodiments of the present application, the fire fighting equipment further includes an exhaust valve 500, which is installed on the sprinkler mechanism 200. The exhaust valve 500 discharges the gas in the flow channel 215 or seals the gas in the flow channel 215 by opening and closing. In some specific embodiments, a solenoid valve is further included, which is installed on the sprinkler mechanism 200 and located in front of the exhaust valve 500. The opening and closing of the exhaust valve 500 is controlled by the opening and closing of the solenoid valve. In this way, when a fire occurs, the exhaust valve 500 is opened, and under the action of the water flow, the air in the flow channel 215 is discharged from the exhaust valve 500, which helps to increase the flow rate of the water flow and quickly extinguish the fire.

[0051] Reference Figure 1 As shown, in some embodiments of the present application, the spray mechanism 200 includes a fluid pipeline 210 and a closed nozzle 220, the inner cavity of the fluid pipeline 210 forms a flow channel 215, the fluid pipeline 210 has a first inlet 211, a second inlet 212, a first outlet 213 and a second outlet 214, the first inlet 211 is connected to the water outlet 120, the second inlet 212 is connected to the air outlet of the air compressor 420, and the second outlet 214 is connected to the air channel of the exhaust valve 500; the water inlet end of the closed nozzle 220 is connected to the first outlet 213. In some specific embodiments, the closed nozzle 220 adopts a bursting bead type nozzle, the fluid pipeline 210 is vertically arranged, the lower end of the fluid pipeline 210 is a first inlet 211, there are multiple closed nozzles 220, which are distributed on both sides of the fluid pipeline 210, and each closed nozzle 220 is connected to the fluid pipeline 210 through a branch pipe, and the upper end of the fluid pipeline 210 is a second inlet 212 and a second outlet 214.

[0052] In a normal state, there is no water in the fluid pipeline 210, thereby effectively preventing water leakage from the closed nozzle 220. In a fire state, water flows into the fluid pipeline 210 from the first inlet 211 and is sprayed out through the broken closed nozzle 220, thereby achieving precise fire extinguishing.

[0053] Reference Figure 1 , Figure 2 As shown, in some embodiments of the present application, the valve body assembly 300 includes a connecting pipeline 310 and a valve body 320, the connecting pipeline 310 is at least two, and the two ends of the connecting pipeline 310 are respectively connected to the water outlet 120 and the first inlet 211; the valve body 320 is respectively installed on each connecting pipeline 310, and the water outlet 120 is connected or disconnected with the first inlet 211 by opening and closing. In some specific embodiments, the valve body 320 is a solenoid valve. By providing at least two connecting pipelines 310, and each connecting pipeline 310 is respectively installed with a valve body 320, the probability of the valve body 320 being blocked and not being able to discharge water when a fire occurs can be reduced. At the same time, it should be noted that when a fire occurs, the two valve bodies 320 are opened at the same time, so that the two connecting pipelines 310 are opened at the same time to supply water to the fluid pipeline 210, which helps to increase the flow rate and flow of the water flow and quickly extinguish the fire.

[0054] Reference Figure 1 , Figure 2 As shown, in some embodiments of the present application, the valve body 320 mechanism further includes a first check valve 330 and a second check valve 340, wherein the first check valve 330 is disposed at one end of the connecting pipeline 310; and the second check valve 340 is disposed at the other end of the connecting pipeline 310. By providing the first check valve 330 and the second check valve 340, when the first check valve 330 and the second check valve 340 are closed at the same time, the valve body 320 can be inspected.

[0055] Reference Figure 3 As shown, in some embodiments of the present application, the fire fighting equipment further includes a one-way valve 600, which is disposed at a position of the fluid pipeline 210 close to the second inlet 212. The one-way valve 600 is disposed to facilitate pressure maintenance of the flow channel 215.

[0056] Reference Figure 4 As shown, in some embodiments of the present application, a water test port 130 is provided at the end of the main pipe 100, and a drain valve 710 and a pressure detection instrument 720 are provided near the water test port 130 of the main pipe 100, and the pressure detection instrument 720 is used to detect the water pressure of the water test port 130. After the drain valve 710 is opened, the pressure detection instrument 720 detects the water pressure of the water test port 130, so as to simulate the rupture of the closed sprinkler 220 and confirm whether the water pressure can meet the requirements of fire protection.

[0057] In some embodiments of the present application, the fire fighting equipment further includes a temperature sensor and / or a smoke sensor. By providing the temperature sensor and the smoke sensor, and detecting the fire condition through the temperature sensor and the smoke sensor, it is equivalent to adding a fire fighting measure on the basis of the glass bursting bead relying on the closed sprinkler 220, thereby effectively extinguishing the fire and minimizing the loss.

[0058] The general working principle of the fire-fighting equipment in the embodiment of the present application is as follows:

[0059] Reference Figure 5 As shown, when the battery in a certain storage location is in thermal runaway, the smoke sensor or temperature sensor corresponding to the storage location detects an abnormality and sends a fire alarm signal, or the glass bead of the closed nozzle 220 corresponding to the storage location breaks, and the pressure switch 410 detects that the pressure in the fluid pipeline 210 drops to 0.01MPa, and the pressure switch 410 is activated, so that the fire alarm controller sends an audible and visual alarm signal to remind personnel. At the same time, the valve body 320 is opened, the air compressor 420 is turned off, or the solenoid valve on the air supply pipeline is closed, so that the water in the main pipeline 100 enters the fluid pipeline 210. Due to the loss of pressure in the main pipeline 100, the water pump spray group is started, so that the water source continuously reaches the closed nozzle 220, and the water is sprayed onto the battery on fire to achieve fire extinguishing. After the fire is extinguished, all solenoid valves are reset.

[0060] When battery thermal runaway does not occur, and only the glass bursting bead of the closed sprinkler 220 corresponding to a certain storage location is accidentally broken, when the pressure switch 410 detects that the pressure in the fluid pipeline 210 continues to decrease, the pressure switch 410 is activated to cause the fire alarm controller to send out an audible and visual alarm signal to remind personnel to replace the damaged closed sprinkler 220 in time.

[0061] The embodiments of the present application also provide a battery static shelf, including the fire-fighting equipment in the above embodiments. Specifically, the battery static shelf includes a plurality of storage locations, which are arranged in a rectangular array, wherein each storage location is correspondingly provided with a closed nozzle 220, a temperature sensor, and a smoke sensor. A plurality of water outlets 120 are provided on the main pipeline 100, and the storage locations in a row are connected to a water outlet 120 through a fluid pipeline 210, and a plurality of first outlets 213 are provided on the fluid pipeline 210 corresponding to the storage locations in the row, and a closed nozzle 220 on a storage location is connected to a first outlet 213. Thus, each storage location on the battery static shelf can be covered by the fire-fighting equipment.

[0062] It should be noted that the battery static shelf includes fire-fighting equipment, which also includes all the advantages of fire-fighting equipment mentioned above, which will not be repeated here.

[0063] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0064] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0065] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0066] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0067] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A fire fighting equipment, characterized in that: include: A main pipe having a water inlet and a water outlet; A spray mechanism connected to the main pipe, wherein a flow channel is formed inside the spray mechanism; A valve body assembly is disposed between the spray mechanism and the main pipe, and connects or disconnects the water outlet with the flow channel by opening and closing; The detection mechanism is arranged on the spray mechanism and is used for detecting the pressure in the flow channel.

2. The fire fighting equipment according to claim 1, characterized in that: The detection mechanism includes: A pressure switch, used to detect the pressure in the flow channel; An air compressor is connected to the spray mechanism and is used to blow gas into the flow channel so that the flow channel maintains a preset pressure.

3. The fire fighting equipment according to claim 2, characterized in that: The detection mechanism also includes an exhaust valve, which is installed on the spray mechanism. The exhaust valve discharges the gas in the flow channel or seals the gas in the flow channel by opening and closing.

4. The fire fighting equipment according to claim 3, characterized in that: The spray mechanism comprises: A fluid pipeline, the inner cavity of the fluid pipeline forms the flow channel, the fluid pipeline has a first inlet, a second inlet, a first outlet and a second outlet, the first inlet is connected to the water outlet, the second inlet is connected to the air outlet of the air compressor, and the second outlet is connected to the air channel of the exhaust valve; A closed nozzle, wherein the water inlet end of the closed nozzle is connected to the first outlet.

5. The fire fighting equipment according to claim 4, characterized in that: The valve body assembly comprises: At least two connecting pipelines, with both ends of the connecting pipelines being connected to the water outlet and the first inlet respectively; A valve body is installed on each of the connecting pipelines, and the water outlet is connected to or disconnected from the first inlet by opening and closing.

6. The fire fighting equipment according to claim 5, characterized in that: The valve body mechanism also includes: A first inspection valve is provided at one end of the connecting pipeline; The second inspection valve is arranged at the other end of the connecting pipeline.

7. The fire fighting equipment according to claim 4, characterized in that: A one-way valve is also included, and the one-way valve is arranged at a position of the fluid pipeline close to the second inlet.

8. The fire fighting equipment according to any one of claims 1 to 7, characterized in that: A water test port is provided at the end of the main pipe, and a drain valve and a pressure detection instrument are provided at a position of the main pipe near the water test port. The pressure detection instrument is used to detect the water pressure of the water test port.

9. The fire fighting equipment according to any one of claims 1 to 7, characterized in that: A temperature sensor and / or a smoke sensor may also be included.

10. A battery storage shelf, characterized in that: The fire-fighting equipment comprises the fire-fighting equipment according to any one of claims 1 to 9.

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