CN210583415U - Extinguishing device for lithium ion battery box - Google Patents
Extinguishing device for lithium ion battery box Download PDFInfo
- Publication number
- CN210583415U CN210583415U CN201920655607.1U CN201920655607U CN210583415U CN 210583415 U CN210583415 U CN 210583415U CN 201920655607 U CN201920655607 U CN 201920655607U CN 210583415 U CN210583415 U CN 210583415U
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- battery box
- lithium ion
- ion battery
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A fire extinguishing device for a lithium ion battery box. The fire extinguishing device comprises a container, a fire extinguishing agent, pressurized nitrogen, a temperature-sensing starting valve and a filling port, wherein the temperature-sensing starting valve comprises a valve body, a valve core, a sealing ring, a dustproof structure, an anti-flushing device and a temperature-sensing starting element. The utility model discloses the effect: simple structure is compact, has the temperature sensing self-starting function, and extinguishing device is small, the reliability is high, is fit for presetting inside the battery box, need not external detector, and the temperature sensing starts sooner, and fire extinguishing efficiency is higher. Meanwhile, the situation that external parts, such as a circuit board in a battery box, are damaged when the valve core is ejected at a high speed, and even secondary disasters such as lithium battery puncture or short circuit ignition are caused can be prevented; the fire extinguisher can prevent dust and oil stains from gathering and failing to act due to long-term storage of the fire extinguisher, or prevent fragments of the temperature sensing element from falling into the valve body and being blocked during the action.
Description
Technical Field
The utility model belongs to the technical field of the fire control unit, especially, relate to a lithium ion battery is extinguishing device for case.
Background
In recent years, the new energy automobile industry in China is developed at an overspeed, and a lithium ion power battery box as a core component is widely applied. However, at present, the lithium ion battery fire frequently occurs due to the technical level of the battery, so that the attention of all social parties is attracted, and the fire accident suppression of the lithium ion battery box becomes one of important safety problems in the lithium battery industry. In view of the above situation, some enterprises actively develop fire extinguishing apparatuses for extinguishing fires in lithium ion battery boxes, for example: chinese patent publication No. CN107942891A discloses a fire extinguishing apparatus, which detects fire through an external fire detector, and releases a gaseous fire extinguishing agent after the fire detector gives an alarm, so as to effectively cool down and extinguish fire for a battery box, but it is based on the principle that a set of fire extinguishing apparatus protects a plurality of battery boxes simultaneously, so that the fire extinguishing apparatus is too bulky in size and weight, and it is difficult to install on a new energy automobile. And in case of fire, the fire extinguishing device cannot be started and the fire extinguishing agent cannot be sprayed to the battery box on fire at fixed points due to the faults of the external fire detector, the overlong spraying pipeline with leakage and the like.
In addition, chinese patent publication No. CN101596343B discloses a fire extinguishing apparatus with temperature-sensing starting function, which has the advantages that an external fire detector is not required, and the valve can be applied to a fire extinguishing apparatus for a lithium ion battery box, but metal parts fly out at high speed when the valve is sprayed, so that there is a possibility of damaging parts such as a circuit board in the box, causing puncture of the lithium battery or short-circuit ignition to form a secondary disaster; chinese patent publication No. CN201621127447 also discloses a nozzle (valve) with temperature-sensing start function, but the gap between the valve core and the outlet of the valve body is difficult to control, the small gap easily causes the valve core to be stuck and unable to act, and the large gap easily causes dust and oil stain to be accumulated and unable to act for a long time, so that the fire extinguishing agent cannot be released in time.
Disclosure of Invention
In order to solve the problem, an object of the utility model is to provide an interior extinguishing device for lithium ion battery box who places the battery box in, has temperature sensing start function.
In order to achieve the purpose, the fire extinguishing device for the lithium ion battery box is arranged inside the lithium ion battery box and comprises a container, a temperature sensing starting valve and a filling port; the temperature sensing starting valve and the filling port are respectively arranged on the container and communicated with the interior of the container, and the fire extinguishing agent and the pressurized nitrogen are filled in the container.
The temperature-sensing starting valve comprises a valve body, a valve core, a sealing ring, a dustproof structure, an anti-ejection device, a temperature-sensing starting element and a fastening screw; the valve body is tubular, the inner end of the valve body is fixed on the container, and a plurality of fire extinguishing agent releasing holes are formed in the circumferential surface close to the container; the valve core is arranged in the valve body in a mode of moving along the axial direction of the valve body; one end of the temperature sensing starting element presses the valve core, and the other end of the temperature sensing starting element is fixed in the valve body through a fastening screw arranged at the outer port of the valve body; the sealing ring is arranged on the contact surface of the valve body and the valve core; the dustproof structure is embedded in an annular groove formed on the inner circumferential surface of the valve body between the fire extinguishing agent releasing hole and the outer port of the valve body; the anti-rushing device is embedded in an annular groove formed on the inner circumferential surface of the valve body between the dustproof structure and the outer port of the valve body.
The filling port comprises a shell and a filling valve; the shell is tubular, and the inner port is connected with the container; the filling valve is arranged in the interior of the housing in an axially displaceable manner along the housing and is provided at its outer end with a spike.
The fire extinguishing device for the lithium ion battery box is also provided with a pressure feedback device, the pressure feedback device is fastened at the outer port of the shell of the filling port and is sealed by a sealing device, and the sealing device adopts an O-shaped ring or a thread sealant coating; the pressure feedback device adopts a pressure switch or a pressure transmitter.
The fire extinguishing device for the lithium ion battery box is characterized in that a siphon is further arranged in the container, and one end of the siphon is connected to the inner port of the valve body.
The fire extinguishing device for the lithium ion battery box is characterized in that a filter screen is arranged at the tail end of the siphon or the joint of the valve body and the siphon.
The dustproof structure is a lip-shaped dustproof ring or an O-shaped ring.
The anti-ejection device is a steel wire retainer ring or a step structure formed on the circumferential surface of the valve core.
The fire extinguishing device for the lithium ion battery box is also provided with a nozzle, and the nozzle is directly arranged on a fire extinguishing agent releasing hole of the temperature sensing starting valve or extends to any protection position through a middle pipeline.
The temperature-sensing starting element is a temperature-sensing glass bulb or a fusible alloy piece; the container is cylindrical or flat shell-shaped.
The utility model provides a lithium ion battery is extinguishing device for case has following beneficial effect for prior art:
1. the fire extinguishing device can prevent parts from flying out at high speed when the fire extinguishing device is sprayed, so that the situations of part loss, lithium battery puncture or short circuit ignition can be prevented;
2. the fire extinguishing device can prevent dust and oil stains from gathering and failing to act due to long-time storage, or prevent temperature sensing element fragments from falling into the valve body and being blocked during the action;
3. the siphon adopts a bent shape and can adapt to horizontal or vertical installation of the device; the end of the siphon can also conveniently fasten the filter screen in a way of closing up after expanding the tube, thus preventing the siphon from being blocked;
4. the filling port in the form of a filling one-way valve is adopted, and the pressure feedback device is fastened on the filling port, so that the chronic leakage of the filling port can be effectively prevented, the filling port does not need to be additionally sealed, and the leakage detection and the discharge feedback function can be realized;
5. the medium-low pressure atomizing nozzle is adopted to enable the fire extinguishing agent to form fog drops with small diameters so as to increase the contact area of the fire extinguishing agent and surrounding high-temperature objects and achieve the effects of rapid gasification and rapid cooling;
5. the fire extinguishing device has the advantages of simple and compact valve structure, temperature-sensing starting function, small size, high reliability, suitability for being preset in the battery box, no need of an external detector, quicker temperature-sensing starting and higher fire extinguishing efficiency;
drawings
Fig. 1 is a schematic view of an embodiment of a fire extinguishing apparatus for a lithium ion battery box provided by the present invention;
FIG. 2 is a magnified view of the portion I of FIG. 1 and the portion I' of FIG. 3;
FIG. 3 is a schematic view of a second embodiment of the fire extinguishing apparatus for a lithium ion battery box provided by the present invention;
FIG. 4 is a schematic diagram of the fire extinguishing apparatus for a lithium ion battery box according to the embodiment of the present invention;
fig. 5 is a sectional view taken along line E-E in fig. 4.
Detailed Description
The fire extinguishing apparatus for the lithium ion battery box provided by the present invention is described in detail below with reference to the accompanying drawings and examples.
Example one
As shown in fig. 1, the fire extinguishing apparatus for a lithium ion battery box provided in this embodiment is disposed inside the lithium ion battery box, and includes a container 1, a temperature-sensitive starting valve 4, and a charging port 5; the temperature sensing starting valve 4 and the filling port 5 are respectively arranged on the container 1 and communicated with the interior of the container 1, and the fire extinguishing agent 2 and the pressurized nitrogen 3 are filled in the container 1.
As shown in fig. 1 and 2, the temperature-sensitive starting valve 4 includes a valve body 10, a valve core 11, a sealing ring 12, a dust-proof structure 14, an anti-ejection device 15, a temperature-sensitive starting element 16 and a fastening screw 20; wherein, the valve body 10 is tubular, the inner end is fixed on the container 1, and a plurality of fire extinguishing agent releasing holes 17 are arranged on the circumferential surface close to the container 1; the valve body 10 is provided with a valve core 11 inside the valve body 10 in a manner of being movable in the axial direction of the valve body 10; one end of the temperature sensing starting element 16 presses the valve core 11, and the other end is fixed in the valve body 10 through a fastening screw 20 arranged at the outer port of the valve body 10; the sealing ring 12 is arranged on the contact surface of the valve body 10 and the valve core 11; the dustproof structure 14 is embedded into an annular groove formed on the inner circumferential surface of the valve body 10 between the fire extinguishing agent releasing hole 17 and the outer port of the valve body 10, and the dustproof structure 14 in the embodiment is a lip-shaped dustproof ring; the anti-rushing-out device 15 is embedded in an annular groove formed on the valve body 10 and located between the dustproof structure 14 and the outer port of the valve body 10, and the anti-rushing-out device 15 in this embodiment is a steel wire retainer ring.
The temperature-sensing starting element 16 is a temperature-sensing glass bulb or a fusible alloy piece.
The container 1 is in a cylindrical structure.
The working principle of the fire extinguishing device is as follows:
when the ambient temperature is low and is not enough to actuate the temperature-sensing actuating element 16 (usually, the temperature-sensing glass bulb is broken by heating, or the fusible alloy element is melted), the valve core 11 is pressed in the valve body 10 by the temperature-sensing actuating element 16, and static sealing is realized by the sealing ring 12. When a fire disaster occurs, the temperature-sensitive starting element 16 responds to the rise of the ambient temperature to act (usually, the temperature-sensitive glass bubble is heated and broken or the fusible alloy part is melted), so that the valve core 11 loses support, at the moment, the valve core 11 slides towards the outer port of the valve body 10 under the action of the internal pressure of the container 1, so that the sealing effect is lost, at the moment, the fire extinguishing agent 2 enters the inside of the valve body 10 under the action of the pressure of the pressurized nitrogen 3, and is released outwards through the fire extinguishing agent releasing hole 17 on the valve body 10 to extinguish the fire, namely, the fire extinguishing device adopts the mode of temperature-sensitive starting to extinguish the fire.
Meanwhile, the valve core 11 cannot be flushed out of the valve body 10 when sliding under the blocking of the anti-flushing device 15. Therefore, the anti-ejection device 15 can prevent the occurrence of a problem that external parts are damaged due to the high-speed ejection of the valve element 11, such as a circuit board in a battery box, and even a secondary disaster such as a puncture or short circuit fire of a lithium battery can be caused.
In addition, the dustproof structure 14 can effectively prevent dust and oil stains from being accumulated due to long-term storage of the fire extinguishing apparatus, so that the valve element 11 cannot move in the valve body 10, or fragments generated after the movement of the temperature-sensitive starting element 16 fall into the valve body 10 and are blocked, thereby further improving the reliability of the fire extinguishing apparatus.
The filling port 5 comprises a shell and a filling valve 19; the shell is tubular, and the inner port is connected with the container 1; the filling valve 19 is arranged inside the housing in an axially displaceable manner and is provided at its outer end with a spike. In practical applications, the filling valve 19 is usually a standard valve core or the like, and the performance of the filling valve meets the national standard GJB1005-90 general Specification for valve cores and nozzles of aviation tires. The filling valve 19 has the function of: when the filling valve 19 is not acted by external force, it will keep closed state, and the inside and outside of the container 1 are not conducted; when the fire extinguishing agent 2 and the pressurized nitrogen 3 need to be filled, the filling device is screwed into the shell on the filling port 5, the filling device is pressed down and props against the thimble at the outer end of the filling valve 19, the filling valve 19 is conducted, and then the fire extinguishing agent 2 and the pressurized nitrogen 3 can be filled into the container 1 through the shell; when the nominal filling amount is reached, the filling device is unscrewed from the housing and the filling valve 19 will spring up to re-close the filling opening 5, and the filling is finished.
Example two
As shown in fig. 3, the fire extinguishing apparatus for a lithium ion battery box provided in this embodiment has a structure substantially the same as that of the fire extinguishing apparatus for a lithium ion battery box in the first embodiment, except that a pressure feedback device 6 is further provided on the fire extinguishing apparatus for a lithium ion battery box provided in this embodiment, and is used for detecting the pressure in the container 1 in real time. The pressure feedback device 6 is fastened at the outer port of the housing of the filling port 5 and is sealed by means of a sealing device, which in this embodiment is an O-ring 22 or a thread sealing glue coating. The pressure feedback device 6 adopts a pressure switch or a pressure transmitter. In practical application, as mentioned above, the filling valve 19 is usually a standard valve core or the like, and the performance of the filling valve meets the national standard GJB1005-90 general aviation tire valve core and nozzle Specification, the filling valve 19 is closed at ordinary times, the spaces at two ends cannot be conducted through the filling valve 19, when the thimble on the filling valve 19 is pressed, the filling valve 19 is opened, and the spaces at two ends can be conducted through the filling valve 19. However, since the filling valve 19 is a dynamic seal, it may cause a short-term failure of the seal in case of vibration, jolt, etc., and it may also cause a short-term opening of the filling valve 19 by an accidental push, which may lead to a short-term leakage of the fire extinguishing device, which in the past would result in a reduction of the internal pressure of the container 1 to zero. In the embodiment, the pressure feedback device 6 is fastened to the housing of the filling port 5, on one hand, the thimble of the filling valve 19 is pressed all the time, and the pressure feedback device 6 can be communicated with the inside of the container 1, so that the pressure leakage condition in the container 1 can be detected in real time by using the pressure feedback device 6, and on the other hand, because the pressure feedback device 6 and the housing on the filling port 5 are sealed in a static sealing manner, the problem that the gas in the container 1 leaks out from the filling port 5 due to the vibration and the jolt of the fire extinguishing device along with the vehicle body can be avoided.
In addition, when the fire extinguishing apparatus for a lithium ion battery box is installed in a forward direction with the valve facing upward as shown in fig. 3, the fire extinguishing apparatus for a lithium ion battery box according to the present embodiment further includes a siphon tube 7 disposed in the container 1, and one end of the siphon tube 7 is connected to the inner port of the valve body 10. Under the action of the pressurized nitrogen 3, the fire extinguishing agent 2 enters the interior of the valve body 10 through the siphon pipe 7; in particular, when the container 1 is horizontally placed, the siphon tube 7 should be bent in a shape close to the side wall as shown in fig. 3 so that the fire extinguishing agent 2 at a low position in the container 1 enters the valve body 10 as much as possible and is released to reduce the remaining rate of the emission of the fire extinguishing agent 2. When the container 1 is installed upside down vertically, the siphon tube 7 may not be provided.
In addition, the fire extinguishing apparatus for the lithium ion battery box provided in this embodiment further includes a filter screen 9 disposed at the end of the siphon tube 7, and the fire extinguishing agent 2 is filtered before entering the siphon tube 7, so as to prevent the siphon tube 7 and its upper parts from being clogged. The specific installation process comprises the following steps: the tail end of the siphon tube 7 is expanded, then the filter screen 9 is placed, and finally the tail end of the siphon tube 7 is closed, so that the filter screen 9 can be fastened.
The working principle of the fire extinguishing device is as follows:
when the ambient temperature is low and is not enough to actuate the temperature-sensing actuating element 16 (usually, the temperature-sensing glass bulb is broken by heating, or the fusible alloy element is melted), the valve core 11 is pressed in the valve body 10 by the temperature-sensing actuating element 16, and static sealing is realized by the sealing ring 12. When a fire disaster occurs, the temperature-sensitive starting element 16 responds to the rise of the temperature of the surrounding environment to act (usually, the temperature-sensitive glass bubble is heated and broken or the fusible alloy part is melted), so that the valve core 11 loses support, at the moment, the valve core 11 slides towards the direction of the outer port of the valve body 10 under the action of the internal pressure of the container 1, so that the sealing effect is lost, at the moment, the fire extinguishing agent 2 firstly passes through the filter screen 9 to be filtered under the action of the pressure of the pressurized nitrogen 3, then enters the valve body 10 through the siphon pipe 7, and is outwards released through the fire extinguishing agent releasing hole 17 on the valve body 10 to extinguish the fire, namely, the fire extinguishing device adopts the temperature-sensitive starting mode to.
The function of the anti-expulsion means 15 and the dust-proof structure 14 is the same as in the first embodiment, and therefore will not be described again here.
In addition, the pressure feedback device 6 can monitor the pressure change in the container 1 in real time. Under the normal state, no leakage exists in the container 1, the pressure value detected by the pressure feedback device 6 is normal, a constant electric signal is output, and the device state is displayed to be normal; when the container 1 leaks, the pressure value detected by the pressure feedback device 6 is slowly reduced, and an electric signal is output after the lower limit of a set normal pressure range is reached, so that the leakage of the device is displayed; when the fire extinguishing device is started, the pressure value in the container 1 is rapidly reduced to zero, and at the moment, the pressure feedback device 6 outputs an electric signal which is displayed as the device is started. In conclusion, the functions of real-time leakage detection and discharge feedback of the fire extinguishing device are realized.
EXAMPLE III
As shown in fig. 4 and 5, the fire extinguishing apparatus for a lithium ion battery box provided in this embodiment has substantially the same structure as the fire extinguishing apparatus for a lithium ion battery box in the first and second embodiments, except that the dust-proof structure 14A of the fire extinguishing apparatus for a lithium ion battery box provided in this embodiment is an O-ring embedded in an annular groove formed on the valve body 10 on the inner circumferential surface between the fire extinguishing agent releasing hole 17 and the outer port of the valve body 10, so that the volume of the valve body 10 can be further reduced, and the production cost can be reduced.
In addition, unlike the fire extinguishing apparatus for a lithium ion battery box in the first and second embodiments, the anti-blowout apparatus 15A of the fire extinguishing apparatus for a lithium ion battery box according to the present embodiment has a stepped structure formed on the circumferential surface of the valve body 11, so that the installation process of the temperature-sensitive starting valve 4 can be simplified, and the production cost can be reduced.
Different from the fire extinguishing apparatus for a lithium ion battery box in the first and second embodiments, the fire extinguishing apparatus for a lithium ion battery box provided in this embodiment is further provided with a nozzle 8, and the nozzle 8 may be directly installed on a fire extinguishing agent releasing hole 17 of the temperature-sensitive starting valve 4, or as shown in fig. 5, the nozzle 8 may be extended to any protection position through an intermediate pipeline 18. The fire extinguishing device adopts the medium-low pressure atomizing nozzle, so that the fire extinguishing agent 2 can form fog drops with small diameter, the contact area of the fire extinguishing agent 2 and surrounding high-temperature objects is increased, the effects of rapid gasification and rapid cooling are achieved, and the fire extinguishing efficiency is improved.
Unlike the first and second embodiments, the container 1A in the present embodiment has a different flat box shape from that in the first and second embodiments, so that the apparatus can be installed in a narrow space position.
Different from the fire extinguishing apparatus for the lithium ion battery box in the first and second embodiments, the filter screen 9A of the fire extinguishing apparatus for the lithium ion battery box provided by the embodiment is arranged at the joint of the valve body 10 and the siphon 7, so that the installation process of the filter screen 9A can be simplified, and the production cost can be reduced.
Different with the extinguishing device for the lithium ion battery box in the above-mentioned embodiment one, two, still be equipped with electric starter 21 on the extinguishing device for the lithium ion battery box that this embodiment provided, be equipped with the resistance wire of winding on temperature sensing starting element 16 on electric starter 21, the resistance wire generates heat during the circular telegram to can make temperature sensing starting element 16 move, thereby realize the function of manual forced start, whole extinguishing device theory of operation is as follows this moment:
when people around the lithium ion battery box find that fire occurs inside the battery box visually, the power supply of the electric starter 21 can be switched on manually, the resistance wire on the electric starter 21 is electrified to generate heat, the temperature-sensing starting element 16 acts after a period of time (generally, the temperature-sensing glass bulb is heated to be broken or the fusible alloy part is melted), so that the valve core 11 loses support, at this time, the valve core 11 will slide towards the outer port of the valve body 10 under the action of the internal pressure of the container 1, thereby losing the sealing effect, at the moment, the fire extinguishing agent 2 enters the interior of the valve body 10 through the siphon pipe 7 under the pressure of the pressurized nitrogen 3, during which the fire extinguishing agent 2 will be filtered through the filter net 9A to prevent the valve 10 from being clogged, and then through the fire extinguishing agent discharging hole 17 and the nozzle 8 on the valve body 10, or the nozzle 8 is extended to any protection position through the intermediate pipeline 18, and the fire is extinguished by releasing the fire outwards.
Meanwhile, the valve core 11 cannot be punched out of the valve body 10 when sliding under the blocking of the step-shaped anti-punching device 15A. Therefore, the anti-rush device 15A can prevent the occurrence of the problem that the valve core 11 is ejected at a high speed to damage the external parts, such as the circuit board in the battery box, and even the secondary disaster such as the puncture or short circuit fire of the lithium battery.
In addition, the dustproof structure 14A can effectively prevent dust and oil stains from being accumulated due to long-term storage of the fire extinguishing apparatus, so that the valve element 11 cannot move in the valve body 10, or fragments generated after the movement of the temperature-sensitive starting element 16 fall into the valve body 10 and are stuck, thereby further improving the reliability of the fire extinguishing apparatus.
While the present invention has been described with reference to the accompanying drawings and embodiments, it is to be understood that those skilled in the art may change or modify the present invention without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides a lithium ion battery is extinguishing device for case which characterized in that: the fire extinguishing device for the lithium ion battery box is arranged inside the lithium ion battery box and comprises a container (1), a temperature sensing starting valve (4) and a filling opening (5); the temperature sensing starting valve (4) and the filling port (5) are respectively arranged on the container (1) and communicated with the inside of the container (1), and the fire extinguishing agent (2) and the pressurized nitrogen (3) are filled in the container (1).
2. The fire extinguishing apparatus for a lithium ion battery box according to claim 1, characterized in that: the temperature-sensing starting valve (4) comprises a valve body (10), a valve core (11), a sealing ring (12), a dustproof structure (14), an anti-ejection device (15), a temperature-sensing starting element (16) and a fastening screw (20); wherein, the valve body (10) is tubular, the inner end is fixed on the container (1), and a plurality of fire extinguishing agent releasing holes (17) are arranged on the circumferential surface close to the container (1); the valve core (11) is arranged in the valve body (10) in a mode of being capable of moving along the axial direction of the valve body (10); one end of the temperature sensing starting element (16) presses the valve core (11), and the other end is fixed in the valve body (10) through a fastening screw (20) arranged at the outer port of the valve body (10); the sealing ring (12) is arranged on the contact surface of the valve body (10) and the valve core (11); the dustproof structure (14) is embedded in an annular groove formed on the valve body (10) and positioned between the fire extinguishing agent releasing hole (17) and the outer port of the valve body (10) on the inner circumferential surface; the anti-rushing-out device (15) is embedded in an annular groove formed in the inner circumferential surface of the valve body (10) and located between the dustproof structure (14) and the outer port of the valve body (10).
3. The fire extinguishing apparatus for a lithium ion battery box according to claim 1, characterized in that: the filling opening (5) comprises a shell and a filling valve (19); the shell is tubular, and the inner port of the shell is connected with the container (1); a filling valve (19) is arranged in the interior of the housing in an axially displaceable manner along the housing and is provided at its outer end with a spike.
4. The fire extinguishing apparatus for a lithium ion battery box according to claim 3, characterized in that: the fire extinguishing device for the lithium ion battery box is also provided with a pressure feedback device (6), the pressure feedback device (6) is fastened at the outer port of the shell of the filling port (5) and is sealed by a sealing device, and the sealing device adopts an O-shaped ring or a thread sealant coating; the pressure feedback device (6) adopts a pressure switch or a pressure transmitter.
5. The fire extinguishing apparatus for a lithium ion battery box according to claim 2, characterized in that: the fire extinguishing device for the lithium ion battery box is characterized in that a siphon (7) is further arranged in the container (1), and one end of the siphon (7) is connected to the inner port of the valve body (10).
6. The fire extinguishing apparatus for a lithium ion battery box according to claim 5, characterized in that: the fire extinguishing device for the lithium ion battery box is characterized in that a filter screen (9) is arranged at the tail end of a siphon (7) or the joint of a valve body (10) and the siphon (7).
7. The fire extinguishing apparatus for a lithium ion battery box according to claim 2, characterized in that: the dustproof structure (14) is a lip-shaped dustproof ring or an O-shaped ring.
8. The fire extinguishing apparatus for a lithium ion battery box according to claim 2, characterized in that: the anti-ejection device (15) is a steel wire retainer ring or a step structure formed on the circumferential surface of the valve core (11).
9. The fire extinguishing apparatus for a lithium ion battery box according to claim 2, characterized in that: the fire extinguishing device for the lithium ion battery box is further provided with a nozzle (8), and the nozzle (8) is directly arranged on a fire extinguishing agent releasing hole (17) of the temperature sensing starting valve (4), or the nozzle (8) is extended to any protection position through an intermediate pipeline (18).
10. The fire extinguishing apparatus for a lithium ion battery box according to claim 2, characterized in that: the temperature-sensing starting element (16) is a temperature-sensing glass bulb or a fusible alloy piece; the container (1) is cylindrical or flat shell-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655607.1U CN210583415U (en) | 2019-05-08 | 2019-05-08 | Extinguishing device for lithium ion battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655607.1U CN210583415U (en) | 2019-05-08 | 2019-05-08 | Extinguishing device for lithium ion battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210583415U true CN210583415U (en) | 2020-05-22 |
Family
ID=70719210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920655607.1U Active CN210583415U (en) | 2019-05-08 | 2019-05-08 | Extinguishing device for lithium ion battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210583415U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546494A (en) * | 2020-12-08 | 2021-03-26 | 南京迪沃航空技术有限公司 | Quick fire extinguishing device for airport and fire extinguishing method thereof |
| CN114588569A (en) * | 2020-12-03 | 2022-06-07 | 青岛中阳消防科技股份有限公司 | Total flooding fire extinguishing device based on mixed fire extinguishing agent and fire extinguishing method thereof |
| CN115607881A (en) * | 2022-11-02 | 2023-01-17 | 南京和本机电设备科技有限公司 | Automatic fire extinguishing device and system for energy storage container battery pack |
-
2019
- 2019-05-08 CN CN201920655607.1U patent/CN210583415U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588569A (en) * | 2020-12-03 | 2022-06-07 | 青岛中阳消防科技股份有限公司 | Total flooding fire extinguishing device based on mixed fire extinguishing agent and fire extinguishing method thereof |
| CN112546494A (en) * | 2020-12-08 | 2021-03-26 | 南京迪沃航空技术有限公司 | Quick fire extinguishing device for airport and fire extinguishing method thereof |
| CN112546494B (en) * | 2020-12-08 | 2022-03-18 | 南京迪沃航空技术有限公司 | Quick fire extinguishing device for airport and fire extinguishing method thereof |
| CN115607881A (en) * | 2022-11-02 | 2023-01-17 | 南京和本机电设备科技有限公司 | Automatic fire extinguishing device and system for energy storage container battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210583415U (en) | Extinguishing device for lithium ion battery box | |
| CN210644951U (en) | Pressure storage type dry powder fire extinguishing device | |
| CN211486305U (en) | Novel energy storage container fire prevention and control system | |
| CN103157209A (en) | Starting device of gas storage cylinder type superfine dry powder automatic fire extinguishing system for vehicles | |
| CN219423617U (en) | Temperature sensing self-starting fire suppression device | |
| WO2023109225A1 (en) | Automatic fire extinguishing and shutdown system and method for large-scale device for foundation engineering | |
| CN211158266U (en) | Automatic detection fire extinguishing system for numerical control machine tool | |
| CN207605261U (en) | A kind of low pressure extinguishing device | |
| CN103191536B (en) | Gas-bottle-type automatic superfine-dry-powder fire-extinguishing system for vehicle | |
| CN104492017A (en) | Mutual-operation automation double-control type water spray system opening technology | |
| CN214130038U (en) | Split type fire extinguishing device | |
| CN212016540U (en) | Explosion-proof electric initiator for suspension type pressure-storage dry powder fire extinguisher | |
| CN203196171U (en) | Gas bomb type automatic superfine dry powder fire extinguishing system for vehicles | |
| CN203400437U (en) | Novel nozzle opening device | |
| CN209828031U (en) | Fire extinguishing device | |
| JP6430308B2 (en) | Sprinkler fire extinguisher | |
| CN210845054U (en) | Automatic switch board of putting out a fire | |
| CN111317952A (en) | Explosion-proof electric initiator for suspension type pressure-storage dry powder fire extinguisher | |
| CN203227230U (en) | Automatic foam fire extinguisher | |
| CN217661218U (en) | Temperature sensing glass ball starts nitrogen gas drive formula extinguishing device | |
| CN104729229B (en) | Diffusion absorption type refrigeration system safety device | |
| CN220070560U (en) | Integrated fire extinguishing device for detecting, starting and pressure relief | |
| CN218046219U (en) | Pipeline fire-fighting device for vehicle | |
| CN214971358U (en) | Passenger car and passenger car fire safety system thereof | |
| CN220070576U (en) | Safe perfluoro-hexanone fire extinguishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |