Automatic closing type PACK-level fire-fighting spray header and automatic closing type PACK-level fire-fighting spray system

Abstract

The utility model relates to the field of fire-fighting equipment, and provides an automatic closing type PACK level fire-fighting spray head, which comprises a spray head seat body, and a liquid conveying pipeline, a spray nozzle and a closing mechanism which are arranged on the spray head seat body, a fire-fighting liquid inlet of the liquid conveying pipeline is connected with a fire-fighting liquid inlet device, a fire-fighting liquid outlet is connected with the spray nozzle, and a fire-fighting liquid outlet of the spray nozzle is connected with a fire-fighting liquid outlet device. The nozzle is used for spraying out fire-fighting liquid when a fire occurs, and the closing mechanism is arranged at the position of the liquid conveying pipeline and is used for acting to cut off the liquid conveying pipeline and stop spraying out of the fire-fighting liquid when the fire is relieved; after a fire disappears, the fire-fighting liquid can be automatically closed, and waste is prevented.

Description

Technical Field

[0001] This utility model relates to the field of fire protection equipment, and more specifically, to an automatic shut-off PACK-type fire sprinkler head. Background Technology

[0002] With the booming development of the new energy industry, the safety and fire protection of energy storage batteries must reach the PACK level.

[0003] Currently, various companies produce PACK-grade fire sprinkler heads, which include a liquid delivery pipe and a nozzle. The inlet of the liquid delivery pipe is connected to the inflow device for the fire extinguishing fluid, and the outlet is connected to the nozzle. The nozzle is used to spray the fire extinguishing fluid. The inlet of the liquid delivery pipe is generally equipped with a plug and a puncture mechanism. In the event of a fire, the puncture mechanism punctures the plug, allowing the fire extinguishing fluid to flow in through the inlet and be sprayed out by the nozzle. For example, Chinese patent application number CN202010456591.9...

[0004] A quick-opening valve that punctures a diaphragm with high-pressure airflow discloses a plug and a puncture mechanism. The puncture mechanism uses external input of high-pressure airflow to pneumatically puncture the plug in order to open the spraying system.

[0005] However, regardless of how the sprinkler system is activated, the sprinkler heads will quickly spray fire extinguishing fluid. Without intervention, the fire extinguishing fluid will continue to spray even after the fire alarm is lifted, until it is manually shut off or the fluid tank is completely empty. This not only wastes resources, but the overflow of excess fire extinguishing fluid will inevitably create other safety hazards. Utility Model Content

[0006] The problem solved by this invention is how to provide an automatic shut-off PACK-class fire sprinkler head that can automatically shut off the fire-fighting fluid after the fire is extinguished.

[0007] To address the aforementioned problems, this utility model provides an automatic shut-off PACK-type fire sprinkler head, comprising: a sprinkler head base, and a liquid delivery pipe, a nozzle, and a shut-off mechanism disposed on the sprinkler head base. The inlet of the liquid delivery pipe is connected to a fire-fighting liquid inflow device, and the outlet of the liquid delivery pipe is connected to the nozzle. The nozzle is used to spray fire-fighting liquid when a fire occurs. The shut-off mechanism is disposed at the liquid delivery pipe and is used to activate when the fire is extinguished to cut off the liquid delivery pipe and shut off the spraying of the fire-fighting liquid.

[0008] Furthermore, the shut-off mechanism includes a column valve and a pyrotechnic activator. The column valve is located in the middle of the infusion pipeline and is normally open so that the fire-fighting fluid in the infusion pipeline flows to the nozzle through the column valve. The pyrotechnic activator is located at the column valve and is used to activate when the fire is extinguished to push the column valve to actuate and shut off the infusion pipeline.

[0009] Furthermore, the pyrotechnic activator includes a power supply wire, a heating wire, and an ignition head. The ignition head is wrapped around the heating wire, and the two ends of the heating wire are respectively connected to the power supply wire. When the fire is extinguished, the power supply wire supplies power to the heating wire, igniting the ignition head. The ignition head generates high-pressure gas, which pushes the plunger of the valve upward to shut off the spraying of the fire extinguishing fluid.

[0010] Furthermore, the closing mechanism also includes a pressure relief mechanism, which is connected to the column valve and is used to relieve the pressure inside the column valve chamber.

[0011] Furthermore, the pressure relief mechanism includes a pressure relief port connected to the column valve, and a pressure relief valve core located inside the pressure relief port.

[0012] Furthermore, the nozzle includes a first component and a second component in the shape of a funnel, the funnel ends of the first component and the second component are connected, the funnel opening end of the first component is connected to the fire-fighting liquid outlet of the liquid delivery pipeline, and the funnel opening end of the second component is used to spray fire-fighting liquid.

[0013] This utility model also provides an automatic shut-off PACK-level fire protection system, including the above-mentioned automatic shut-off PACK-level fire sprinkler head, and further including a puncture device and a plug. The plug is disposed at the fire-fighting liquid inlet of the liquid delivery pipeline and is used to block the fire-fighting liquid inlet of the liquid delivery pipeline. The puncture device is used to puncture the plug in the event of a fire.

[0014] Furthermore, the fire protection system also includes a control module and a sensor module. The sensor module is installed inside the energy storage cabinet and is electrically connected to the input terminal of the control module to transmit the detected temperature sensing information and smoke concentration sensing information to the control module. The output terminal of the control module is connected to the puncture device and the closing mechanism, respectively.

[0015] Furthermore, the fire protection system also includes a power supply module and a switch module. The power supply module is connected to the closing mechanism through the switch module to provide power to the closing mechanism. The controlled end of the switch module is connected to the output end of the control module to control the power supply to the closing mechanism according to the control signal of the control module.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] In the event of a fire, once the plug at the inlet of the fire-fighting fluid in the infusion pipeline is punctured, the fire-fighting fluid will be sprayed out through the nozzle via the infusion pipeline to extinguish the fire. When the fire is extinguished, the pyrotechnic device will activate, generating air pressure to push the column valve, cutting off the infusion pipeline and shutting off the fire-fighting fluid, thus preventing the fire-fighting fluid from being sprayed again and causing a waste of resources, and reducing safety hazards. Attached Figure Description

[0018] Figure 1 This is a cross-sectional view of a fire sprinkler head according to an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the principle structure of the fire protection system according to an embodiment of the present utility model.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1- Nozzle holder; 2- Plug; 3- Liquid delivery pipeline; 4- Nozzle; 5- Pyrotechnic activator; 6- Column valve; 7- Pressure relief port; 8- Pressure relief valve core; 9- Firefighting liquid inflow device; 10- Control module; 11- Sensor module; 12- Puncture device; 13- Switch module; 14- Power supply module; 51- Power supply wire; 52- Heating wire; 53- Ignition head. Detailed Implementation

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] In the description of this specification, references to terms such as "embodiment," "one embodiment," and "one implementation" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or implementation is included in at least one embodiment or illustrative embodiment of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or implementation. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or implementations.

[0025] like Figure 1 As shown, this utility model provides an automatic shut-off PACK-type fire sprinkler head, including: a sprinkler head base 1, and a liquid delivery pipe 3, a nozzle 4 and a shut-off mechanism disposed on the sprinkler head base 1. The fire liquid inlet of the liquid delivery pipe 3 is connected to a fire liquid inflow device 9, and the fire liquid outlet is connected to the nozzle 4. The nozzle 4 is used to spray fire liquid when a fire occurs. The shut-off mechanism is disposed at the liquid delivery pipe 3 and is used to activate when the fire is extinguished to cut off the liquid delivery pipe 3 and shut off the spraying of fire liquid.

[0026] It should be noted that the closing mechanism is in the normally open state. In the event of a fire, the fire-fighting fluid will enter the infusion pipeline 3 and be sprayed out through the nozzle 4 to extinguish the fire. When the fire is extinguished, the closing mechanism will cut off the infusion pipeline 3 and shut off the fire-fighting fluid, thus avoiding the waste of resources caused by the continued spraying of fire-fighting fluid and reducing safety hazards.

[0027] In one embodiment of this utility model, the shut-off mechanism includes a column valve 6 and a pyrotechnic activator 5. The column valve 6 is located in the middle of the infusion pipeline 3 and is normally open so that the fire-fighting fluid in the infusion pipeline 3 flows to the nozzle 4 through the column valve 6. The pyrotechnic activator 5 is located at the column valve 6 and is used to activate when the fire is extinguished to push the column valve 6 to actuate and cut off the infusion pipeline 3.

[0028] It should be noted that, as Figure 1 As shown, the column valve 6 is located inside the liquid delivery pipeline 3 and is in a normally open state. At this time, the liquid delivery pipeline 3 is in a continuously open state. When the pyrotechnic device activator 5 is activated, it will push the plunger of the column valve 6 to move upward to the limit position, thereby causing the column valve 6 to cut off the liquid delivery pipeline 3. The fire-fighting liquid can no longer flow to the nozzle 4 through the liquid delivery pipeline 3, thus shutting off the fire-fighting liquid.

[0029] In one embodiment of this utility model, the pyrotechnic activator 5 includes a power supply wire 51, a heating wire 52, and an ignition head 53. The ignition head 53 is wrapped around the heating wire 52, and the two ends of the heating wire 52 are respectively connected to the power supply wire 51. When the fire is extinguished, the power supply wire 51 supplies power to the heating wire 52, igniting the ignition head 53. The ignition head 53 generates high-pressure gas, which pushes the plunger of the column valve 6 upward to shut off the spraying of fire extinguishing fluid.

[0030] It should be noted that, as Figure 1As shown, the power supply wire 51 is used to provide power to the heating wire 52. When the fire is extinguished, the power supply wire 51 will supply power to the heating wire 52. The heating wire 52 heats up and ignites the ignition powder. The high pressure generated after the ignition powder explodes will push the plunger of the column valve 6 to move upward. Traditionally, the gas pressure drive of the valve is mostly achieved by supplying gas through gas pipes and solenoid valves. This gas pipe distribution will occupy a lot of space and is inconvenient to construct. Compared with the traditional method, using gunpowder to generate gas pressure to drive the valve can save a lot of space.

[0031] In one embodiment of the present invention, the closing mechanism further includes a pressure relief mechanism, which is connected to the column valve 6 and is used to relieve the pressure inside the column valve 6 chamber.

[0032] It should be noted that because the pyrotechnic activator 5 generates high pressure, the high-pressure gas pushes the plunger from below the plunger in the valve 6, causing the plunger to move upward. To prevent the air in the valve chamber above the plunger from compressing and affecting the upward movement of the plunger, this air needs to be released. Therefore, if... Figure 1 As shown, the pressure relief mechanism is located above the valve stem. When the plunger moves upward, the air above the plunger will be discharged from the pressure relief mechanism, thereby relieving the pressure in the valve stem chamber 6 so that the plunger can move upward to the limit position.

[0033] In one embodiment of the present invention, the pressure relief mechanism includes a pressure relief port 7 connected to the column valve 6, and a pressure relief valve core 8 located inside the pressure relief port 7.

[0034] It should be noted that, as Figure 1 As shown, the pressure relief valve core 8 is located inside the pressure relief port 7. The bottom of the pressure relief valve core 8 extends to the upper valve chamber of the plunger 6. When the plunger moves upward, the air in the plunger valve 6 chamber above the plunger will be discharged from the pressure relief valve core 8. The pressure relief port 7 can also protect the pressure relief valve core 8.

[0035] In one embodiment of the present invention, the nozzle 4 includes a first component and a second component in the shape of a funnel. The funnel ends of the first component and the second component are connected. The funnel opening end of the first component is connected to the fire-fighting liquid outlet of the liquid delivery pipeline 3. The funnel opening end of the second component is used to spray fire-fighting liquid.

[0036] It should be noted that, as Figure 1 As shown, the narrower side of the first and second components, which are funnel-shaped, is connected, i.e., the funnel opening. In this way, the fire-fighting liquid enters from the wider funnel opening of the first component, achieving a pressurization process, which makes the fire-fighting liquid spray a longer distance. Then, the fire-fighting liquid is sprayed out from the funnel opening of the second component to extinguish the fire.

[0037] In one embodiment of this utility model, an automatic shut-off PACK-level fire protection system is also provided, including the above-mentioned automatic shut-off PACK-level fire sprinkler head, and further including a puncture device 12 and a plug 2. The plug 2 is disposed at the fire-fighting liquid inlet of the liquid delivery pipeline 3 and is used to block the fire-fighting liquid inlet of the liquid delivery pipeline 3. The puncture device 12 is used to puncture the plug 2 when a fire occurs.

[0038] It should be noted that, as Figure 2 As shown, this fire protection system is applied inside the energy storage cabinet. The fire-fighting liquid inlet of the liquid delivery pipeline 3 is connected to the fire-fighting liquid inflow mechanism, such as a liquid storage tank. At the same time, the fire-fighting liquid inlet of the liquid delivery pipeline 3 has a plug 2. The plug 2 separates the liquid delivery pipeline 3 from the fire-fighting liquid in the fire-fighting liquid inflow mechanism. Under normal circumstances, the fire-fighting liquid will not enter the liquid delivery pipeline 3. However, when a fire occurs, the puncturing device 12 will puncture the plug 2, allowing the fire-fighting liquid to flow into the liquid delivery pipeline 3. The puncturing device 12 can be pneumatically driven, with a piercing needle on the side near the plug 2. In the event of a fire, the plug 2 will be punctured under pneumatic pressure.

[0039] In one embodiment of the present invention, the fire protection system further includes a control module 10 and a sensor module 11. The sensor module 11 is installed inside the energy storage cabinet and is electrically connected to the input terminal of the control module 10 to transmit the detected temperature sensing information and smoke concentration sensing information to the control module 10. The output terminal of the control module 10 is connected to the puncture device 12 and the closing mechanism, respectively.

[0040] It should be noted that, as Figure 2 As shown, the control module 10 controls the actions of the puncture device 12 and the closing mechanism. The sensor module 11 is installed inside the energy storage cabinet and includes temperature sensors and smoke sensors. The control module 10 receives temperature sensing information and smoke concentration sensing information transmitted by the sensor module 11. When the temperature and smoke concentration are too high, indicating a fire, the control module 10 reacts for the first time by sending a control signal to the puncture device 12. The puncture device 12 then punctures the plug 2 at the fire-fighting liquid inlet of the infusion pipeline 3, allowing the fire-fighting liquid to flow into the infusion pipeline 3 and be sprayed through the nozzle 4 for fire extinguishing. When the temperature and smoke concentration drop below a safe value, the control module 10 receives the corresponding temperature sensing information and smoke concentration sensing information from the sensor module 11 and determines that the fire has disappeared. The control module 10 reacts for the second time by sending a control signal to the closing mechanism, energizing the pyrotechnic activator 5 to generate gas. Under high pressure, the valve 6 cuts off the infusion pipeline 3, preventing the fire-fighting liquid from reaching the nozzle 4, thus achieving the purpose of shutting off the fire-fighting liquid spray.

[0041] In one embodiment of the present invention, the fire protection system further includes a power supply module 14 and a switch module 13. The power supply module 14 is connected to the closing mechanism through the switch module 13 to provide power to the closing mechanism. The controlled end of the switch module 13 is connected to the output end of the control module 10 to control the power supply to the closing mechanism according to the control signal of the control module 10.

[0042] It should be noted that, as Figure 2 As shown, the control module 10 controls the closing mechanism by controlling the power supply to the pyrotechnic activator 5. The power supply module 14 can be powered by a battery, and the switch module 13 can be an electronic component such as a relay. The power supply wire 51 is connected to the power supply module 14 through the normally open switch of the relay. After the main control module controls the relay to close, the switch module 13 will conduct, energizing the pyrotechnic activator 5. When the fire disappears, the control module 10 reacts a second time by sending a switch drive signal to the switch module 13, causing the switch module 13 to close. This allows the power supply wires 51 at both ends of the heating wire 52 in the pyrotechnic activator 5 to be connected to the power supply through the switch module 13, thereby causing the heating wire 52 to heat up and generate high voltage, which pushes the column valve 6 to operate, thus controlling the closing mechanism.

[0043] Although the disclosure is as stated above, the scope of protection of this disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of this disclosure, and all such changes and modifications will fall within the protection scope of this utility model.

Claims

1. An automatic shut-off PACK-type fire sprinkler head, characterized in that, include: The nozzle base (1) includes a liquid delivery pipe (3), a nozzle (4), and a shut-off mechanism installed on the nozzle base (1). The inlet of the liquid delivery pipe (3) is connected to a fire-fighting liquid inflow device (9), and the outlet of the liquid delivery pipe (3) is connected to the nozzle (4). The nozzle (4) is used to spray fire-fighting liquid when a fire occurs. The shut-off mechanism is installed on the liquid delivery pipe (3) and is used to activate when the fire is extinguished to cut off the liquid delivery pipe (3) and stop the spraying of fire-fighting liquid. The shut-off mechanism includes a column valve (6) and a pyrotechnic device actuating element (5). The column valve (6) is located in the middle of the liquid delivery pipe (3) and is normally open so that the fire-fighting liquid in the liquid delivery pipe (3) flows through the column valve (6) to the nozzle (9). The nozzle (4) and the pyrotechnic activator (5) are located at the column valve (6). The pyrotechnic activator (5) is used to activate when the fire is extinguished, so as to push the column valve (6) to act and cut off the liquid delivery pipeline (3). The pyrotechnic activator (5) includes a power supply wire (51), a heating wire (52) and an ignition head (53). The ignition head (53) is wrapped around the heating wire (52). The two ends of the heating wire (52) are respectively connected to the power supply wire (51). When the fire is extinguished, the power supply wire (51) supplies power to the heating wire (52) and ignites the ignition head (53). The ignition head (53) generates high-pressure gas to push the plunger of the column valve (6) to move upward, so as to close the spray of fire-fighting liquid.

2. The automatic shut-off PACK-type fire sprinkler head according to claim 1, characterized in that, The closing mechanism also includes a pressure relief mechanism, which is connected to the column valve (6) and is used to relieve the pressure inside the column valve (6).

3. The automatic shut-off PACK-type fire sprinkler head according to claim 2, characterized in that, The pressure relief mechanism includes a pressure relief port (7) connected to the column valve (6) and a pressure relief valve core (8) located inside the pressure relief port (7).

4. The automatic shut-off PACK-type fire sprinkler head according to claim 1, characterized in that, The nozzle (4) includes a first component and a second component in the shape of a funnel. The funnel ends of the first component and the second component are connected. The funnel opening end of the first component is connected to the fire-fighting liquid outlet of the liquid delivery pipeline (3). The funnel opening end of the second component is used to spray fire-fighting liquid.

5. An automatic shut-off PACK-level fire protection system, based on the automatic shut-off PACK-level fire sprinkler head according to any one of claims 1-4, characterized in that, It also includes a piercing device (12) and a plug (2). The plug (2) is installed at the fire-fighting liquid inlet of the liquid delivery pipeline (3) to block the fire-fighting liquid inlet of the liquid delivery pipeline (3). The piercing device (12) is used to pierce the plug (2) in the event of a fire.

6. The automatic shut-off PACK-level fire suppression system according to claim 5, characterized in that, It also includes a control module (10) and a sensor module (11). The sensor module (11) is installed inside the energy storage cabinet. The sensor module (11) is electrically connected to the input terminal of the control module (10) to transmit the detected temperature sensing information and smoke concentration sensing information to the control module (10). The output terminal of the control module (10) is connected to the puncture device (12) and the closing mechanism, respectively.

7. The automatic shut-off PACK-level fire suppression system according to claim 6, characterized in that, It also includes a power supply module (14) and a switch module (13). The power supply module (14) is connected to the closing mechanism through the switch module (13) to provide power to the closing mechanism. The controlled end of the switch module (13) is connected to the output end of the control module (10) to control the power supply to the closing mechanism according to the control signal of the control module (10).

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