A directional flow directing fire extinguishing device
By setting a guide plate at the nozzle to form an angle with the side of the shell, and combining it with the design of a thermal wire and an electronic ignition head, the problem of insufficient fire extinguishing capability of existing aerosol fire extinguishing devices in confined environments is solved, realizing the effective spraying of aerogel and enhancing the fire extinguishing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI JIANDUN FIRE TECH CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-05-29
AI Technical Summary
In small and complex installation environments, existing flat aerosol fire extinguishing devices are prone to spraying onto obstructions during discharge, resulting in a reduction in fire extinguishing capability.
A deflector is installed at the nozzle, and the deflector forms an angle with the side of the housing. Combined with the design of the thermal wire and electronic ignition head, this ensures that the aerogel is sprayed into the ignition zone, avoids obstructions by passing through the deflector, and increases the amount of aerogel sprayed.
It improves the fire extinguishing capability of the fire extinguishing device in confined environments, ensures that the aerogel is effectively sprayed into the fire area, and enhances the fire extinguishing effect.
Smart Images

Figure CN224292397U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire extinguishing device technology, and in particular to a directional flow spray fire extinguishing device. Background Technology
[0002] Our existing flat aerosol fire extinguishing devices, whether single-sided or multi-sided nozzles, often have their installation locations severely limited in small and complex environments. This results in a significant amount of aerosol being directly sprayed onto obstructions during discharge, which greatly reduces the fire extinguishing capability of our products in such environments.
[0003] For example, Chinese patent document CN222488679U discloses a flat aerosol fire extinguishing device with a high protection level. Its nozzle is multi-hole type. When this fire extinguishing device is sprayed, the spray direction is fixed. When the installation environment is limited and there are obstructions, the fire extinguishing ability will be reduced. Utility Model Content
[0004] The purpose of this utility model is to provide a directional flow-guided spray fire extinguishing device. By setting a guide plate at the nozzle and having an angle between the guide plate and the side of the housing located on the nozzle side, the flow is guided when the fire extinguishing device is sprayed, avoiding obstructions as much as possible, so that the aerogel can be sprayed onto the fire area, thereby improving the fire extinguishing capability in confined environments.
[0005] To achieve the above objectives, this utility model provides a directional flow-guided spray fire extinguishing device, including a housing, a fire extinguishing agent, and an ignition device. The fire extinguishing agent is disposed inside the housing. The ignition device extends from the outside of the housing into the housing and comes into contact with the fire extinguishing agent. Multiple nozzles are provided on the side of the housing. A guide plate is provided on the side of the housing located at the nozzle, and the guide plate and the side of the housing located at the nozzle have an angle α.
[0006] The guide plate is integrally cast with the shell, or the guide plate is bent into shape on the shell.
[0007] The ignition device is a thermal wire.
[0008] The thermally sensitive wire extends to the side of the extinguishing agent facing the nozzle; wherein, the side of the extinguishing agent facing the nozzle is the activation surface, and the other sides are non-activation surfaces, and the thermally sensitive wire is arranged along the entire length of the activation surface.
[0009] The housing is also equipped with a partition, which is located on the non-activation side of the extinguishing agent, and the heat-sensitive line extends from between the housing and the partition to the activation side.
[0010] The ignition device is an electronic ignition head.
[0011] The electronic ignition head is installed on the side of the extinguishing agent facing the nozzle, and the side of the extinguishing agent facing the nozzle is the activation surface. The wire of the electronic ignition head extends to the outside of the housing.
[0012] The electronic ignition head is located in the middle of the extinguishing agent activation surface, which is also equipped with a thermal wire along its length.
[0013] The housing is also filled with cooling material between the nozzle and the extinguishing agent.
[0014] The housing includes a box body and a cover plate. The nozzle is located on the box body. The outer wall of the box body is fixed with a mounting ear. The box body forms a step at the outer end of the guide plate. The cover plate is placed on the step inside the box body and is fixedly connected to the box body.
[0015] Compared with the prior art, this utility model has the following technical effects:
[0016] 1. This utility model provides a guide plate at the nozzle, with the guide plate and the side of the housing located on the nozzle side forming an angle, thereby guiding the flow when the fire extinguishing device is discharged, avoiding obstructions as much as possible, and allowing the aerogel to be sprayed onto the fire area, thus improving the fire extinguishing capability in confined environments.
[0017] 2. This invention extends the heat-sensitive wire to the side of the extinguishing agent facing the nozzle, i.e., the activation surface, so that the activation surface is activated first, facilitating the aerogel to be sprayed from the nozzle. The heat-sensitive wire is set along the entire length of the activation surface, so that the entire activation surface is ignited simultaneously, increasing the amount of aerogel sprayed, thereby improving the fire extinguishing effect.
[0018] 3. The electronic ignition head of this invention is located in the middle of the extinguishing agent activation surface, which is also equipped with a thermally sensitive wire along its entire length. The electronic ignition head ignites the extinguishing agent, which in turn ignites the thermally sensitive wire, which in turn ignites the entire activation surface, increasing the amount of aerogel sprayed and thus improving the fire extinguishing effect.
[0019] 4. In this invention, a cooling material is also filled between the nozzle and the extinguishing agent to reduce the aerosol spraying temperature. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0021] Figure 1 This is a three-dimensional structural diagram of the internal structure of the housing of this utility model.
[0022] Figure 2 This is a schematic diagram of the structure of the first embodiment of the ignition device of this utility model.
[0023] Figure 3 This is a schematic diagram of the second embodiment of the ignition device of this utility model.
[0024] Figure 4 This is a structural schematic diagram of the third embodiment of the ignition device of this utility model.
[0025] Figure 5 This is a schematic diagram of the structure of the shell of this utility model.
[0026] Figure 6 This is a side view of the housing of this utility model.
[0027] Figure 7 for Figure 6 The schematic diagram of the cross-sectional structure of AA shows the structure in which the guide plate and the shell are integrally cast.
[0028] Figure 8 for Figure 6 The schematic diagram of the cross-sectional structure of AA shows the structure of the guide plate being bent into shape on the shell.
[0029] Figure 9 This is a simulation diagram of the spraying process of this utility model.
[0030] Figure label:
[0031] 10 housing, 101 box body, 102 cover plate, 11 nozzle, 12 wire hole, 13 mounting lug, 14 step, 15 guide plate, 16 partition plate;
[0032] 20 extinguishing agents;
[0033] Ignition device 30, thermal wire 31, electronic ignition head 32, wire 321;
[0034] Cooling material 40. Detailed Implementation
[0035] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0036] Example 1:
[0037] See Figure 1 , 2A directional flow-directing fire extinguishing device includes a housing 10, a fire extinguishing agent 20, and an ignition device 30. The fire extinguishing agent 20 is disposed inside the housing 10. The ignition device 30 extends from the outside of the housing 10 into the housing 10 and abuts against the fire extinguishing agent 20. Multiple nozzles 11 are provided on the side of the housing 10. A guide plate 15 is located on one side of the nozzle 11 on the housing 10. The guide plate 15 and the side of the housing 10 located on the nozzle 11 side have an angle α.
[0038] By setting a guide plate 15 at the nozzle 11, and having an angle α between the guide plate 15 and the side of the housing located on the nozzle side, the flow can be guided when the fire extinguishing device is discharged, thus avoiding obstructions as much as possible and allowing the aerogel to be sprayed onto the fire area, thereby improving the fire extinguishing capability in confined environments.
[0039] In this embodiment, the included angle α is between 10° and 80°, or between 100° and 170°, and the above range includes this number.
[0040] The ignition device 30 is in contact with the extinguishing agent 20. In other words, the ignition device 30 and the extinguishing agent 20 can be in direct contact or indirect contact. For example, if the extinguishing agent 20 is wrapped with a plastic film, the ignition device 30 will be in contact with the plastic film outside the extinguishing agent 20.
[0041] The extinguishing agent 20 is a prior art product, such as the extinguishing agent disclosed in CN222488679U. In this embodiment, the extinguishing agent 20 is in block form.
[0042] See Figure 7 The shell 10 can be made of aluminum, and the baffle plate 15 is integrally cast with the shell 10.
[0043] See Figure 8 The housing 10 can be made of iron or steel. The position of each nozzle 11 can be achieved by laser cutting three sides on the housing 10 and then bending it to form a guide plate 15. At this time, the nozzle 11 is formed.
[0044] In this embodiment, see Figure 3 The ignition device 30 is a thermal wire 31. The thermal wire 31 is existing technology, for example, the thermal wire disclosed in CN216022877U.
[0045] Specifically, the thermally sensitive wire 31 extends to the side of the extinguishing agent 20 facing the nozzle 11; the side of the extinguishing agent 20 facing the nozzle 11 is the activation surface, and the other sides are non-activation surfaces. The thermally sensitive wire 31 is installed along the entire length of the activation surface. By extending the thermally sensitive wire 31 to the side of the extinguishing agent 20 facing the nozzle 11, that is, the activation surface, the activation surface is activated first, which facilitates the aerogel being sprayed from the nozzle.
[0046] A thermal wire 31 is installed along the entire length of the ignition surface, so that the entire ignition surface is ignited at the same time, increasing the amount of aerogel sprayed, thereby improving the fire extinguishing effect.
[0047] Furthermore, in Figure 3 Inside the housing 10, a partition 16 is also provided. The partition 16 is located on the non-activation side of the extinguishing agent 20, and the heat-sensitive wire 31 extends from between the housing 10 and the partition 16 to the activation side. By providing the partition 16, the heat-sensitive wire 31 is prevented from igniting the non-activation side of the extinguishing agent 20 near the wire hole 15.
[0048] Example 2:
[0049] The difference between this embodiment and Embodiment 1 is that, see [link to Embodiment 1] Figure 4 The ignition device 30 is an electronic ignition head 32. The electronic ignition head 32 is existing technology, for example, the electronic ignition head disclosed in CN216047830U.
[0050] Specifically, the electronic ignition head 32 is installed on the side of the extinguishing agent 20 facing the nozzle 11, and the side of the extinguishing agent 20 facing the nozzle 11 is the activation surface. The wire 321 of the electronic ignition head 32 extends to the outside of the housing 10.
[0051] The wire 321 can pass through the nozzle 11 and exit the housing 10, or a wire hole 12 can be opened on the housing 10 and the wire 321 can pass through the wire hole 12.
[0052] Furthermore, the electronic ignition head 32 is located in the middle of the ignition surface of the extinguishing agent 20, and the ignition surface of the extinguishing agent 20 is also provided with a thermally sensitive wire 31 along its length. The electronic ignition head 32 ignites the extinguishing agent 20, which in turn ignites the thermally sensitive wire 31, which in turn ignites the entire ignition surface, increasing the amount of aerogel sprayed and thus improving the fire extinguishing effect.
[0053] The electronic ignition head 32 may or may not be in contact with the thermal wire 31. When the electronic ignition head 32 is in contact with the thermal wire 31, the electronic ignition head 32 ignites the thermal wire 31 simultaneously with the extinguishing agent 20; when the electronic ignition head 32 is not in contact with the thermal wire 31, the electronic ignition head 32 first ignites the extinguishing agent 20, and the extinguishing agent 20 then ignites the thermal wire 31.
[0054] Example 3:
[0055] Based on Example 1 or Example 2, see Figure 1 Inside the housing 10, between the nozzle 11 and the extinguishing agent 20, a cooling material 40 is also filled to reduce the aerosol ejection temperature. In this embodiment, the cooling material 40 is made of ceramic balls.
[0056] Example 4:
[0057] See Figure 5 , 6 The housing 10 includes a box body 101 and a cover plate 102. The nozzle 11 is provided on the box body 101. The outer wall of the box body 101 is fixedly provided with a mounting ear 13. The box body 101 forms a step 14 at the outer end of the guide plate 15. The cover plate 102 is placed in the step 14 inside the box body 101. The cover plate 102 is fixedly connected to the box body 101.
[0058] Specifically, the cover plate 102 has folded edges on both sides, which are inserted into the box body 101. The box body 101 and the folded edges are connected and fixed by screws or rivets. Figure 5 As shown, holes are provided on the box body 101 and the folded edge as needed.
[0059] The method of use or principle of this utility model:
[0060] See Figures 1 to 4 When the ignition device 30 ignites the activation surface of the extinguishing agent 20, the extinguishing agent 20 generates an aerosol extinguishing medium. The aerosol extinguishing medium is sprayed out from the nozzle 11. Since the nozzle 11 is equipped with a guide plate 15, and the guide plate 15 and the side of the shell located on the nozzle side have an angle α, the flow is guided when the extinguishing device is released, so as to avoid obstructions as much as possible and allow the aerosol to be sprayed into the fire area, thereby improving the fire extinguishing capability in confined environments.
[0061] See Figure 9 Figure a shows the spraying effect of a fire extinguishing device in a confined environment in the prior art. Figure b shows the spraying effect of this invention. As can be seen from Figure b, the aerogel, guided by the guide plate 15, can avoid obstructions as much as possible, allowing the aerogel to be sprayed onto the fire area, thereby improving the fire extinguishing capability in a confined environment.
Claims
1. A directional flow-discharge fire extinguishing device, comprising a housing (10), a fire extinguishing agent (20), and an ignition device (30), wherein the fire extinguishing agent (20) is disposed inside the housing (10), and the ignition device (30) extends from the outside of the housing (10) into the housing (10) and abuts against the fire extinguishing agent (20), and at least one nozzle (11) is provided on the side of the housing (10), characterized in that: The housing (10) has a guide plate (15) on one side of the nozzle (11), and the guide plate (15) and the side of the housing (10) on the side of the nozzle (11) have an angle α.
2. The directional flow spray fire extinguishing device according to claim 1, characterized in that: The guide plate (15) is integrally cast with the shell (10), or the guide plate (15) is bent into shape on the shell (10).
3. The directional flow spray fire extinguishing device according to claim 1, characterized in that: The ignition device (30) is a thermal wire (31).
4. The directional flow spray fire extinguishing device according to claim 3, characterized in that: The thermal line (31) extends to the side of the extinguishing agent (20) facing the nozzle (11); wherein, the side of the extinguishing agent (20) facing the nozzle (11) is the activation surface, and the other sides are non-activation surfaces, and the thermal line (31) is provided along the entire length of the activation surface.
5. A directional flow spray fire extinguishing device according to claim 4, characterized in that: The housing (10) is also provided with a partition (16), which is located on the non-activation surface of the extinguishing agent (20). The thermal line (31) extends from between the housing (10) and the partition (16) to the activation surface.
6. The directional flow spray fire extinguishing device according to claim 1, characterized in that: The ignition device (30) is an electronic ignition head (32).
7. A directional flow spray fire extinguishing device according to claim 6, characterized in that: The electronic ignition head (32) is installed on the side of the extinguishing agent (20) facing the nozzle (11). The side of the extinguishing agent (20) facing the nozzle (11) is the starting surface. The wire (321) of the electronic ignition head (32) extends to the outside of the housing (10).
8. A directional flow spray fire extinguishing device according to claim 7, characterized in that: The electronic ignition head (32) is located in the middle of the ignition agent (20) activation surface, and the ignition agent (20) activation surface is also provided with a thermal wire (31) along its length.
9. A directional flow-guided spray fire extinguishing device according to claim 1, characterized in that: Inside the housing (10), between the nozzle (11) and the extinguishing agent (20), there is also a cooling material (40).
10. A directional flow spray fire extinguishing device according to claim 1, characterized in that: The housing (10) includes a box body (101) and a cover plate (102). The nozzle (11) is provided on the box body (101). The outer wall of the box body (101) is fixedly provided with a mounting ear (13). The box body (101) forms a step (14) at the outer end of the guide plate (15). The cover plate (102) is placed on the step (14) inside the box body (101). The cover plate (102) is fixedly connected to the box body (101).