CN220070640U - Fire extinguishing device hot start structure with flame arrester - Google Patents
Fire extinguishing device hot start structure with flame arrester Download PDFInfo
- Publication number
- CN220070640U CN220070640U CN202321598584.8U CN202321598584U CN220070640U CN 220070640 U CN220070640 U CN 220070640U CN 202321598584 U CN202321598584 U CN 202321598584U CN 220070640 U CN220070640 U CN 220070640U
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- China
- Prior art keywords
- flame arrester
- fire extinguishing
- thermistor
- battery
- hot start
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- 239000003365 glass fiber Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a fire extinguishing device hot starting structure with a flame arrester, which comprises a box body, wherein a battery is arranged in the box body, a circuit where the battery is positioned is connected with an ignition head starting line of the fire extinguishing device, the circuit where the battery is positioned is also connected with a thermistor, one side of the thermistor is contacted with one end of the thermistor, a glass fiber tube is sleeved on the outer surface of the thermistor, and the surface of the glass fiber tube is connected with the flame arrester; according to the utility model, the hot start process can be completed through the cooperation between the thermosensitive wire and the thermistor, and the influence of high temperature or flame generated by the ignition of the thermosensitive wire is eliminated through the arrangement of the flame arrester.
Description
Technical Field
The utility model relates to the technical field of fire protection, in particular to a hot starting structure of a fire extinguishing device with a flame arrester.
Background
Fire extinguishing devices generally have two modes of actuation: electric start-up and hot start-up. The hot start mode and structure are various, and most common is the heat-sensitive line start mode, the mode generally is that the heat-sensitive line burns when reaching the start temperature or contacting open fire, and the fire extinguishing device is started by the heat generated by the combustion, but the mode has a plurality of limitations, such as high temperature or flame generated by the combustion of the heat-sensitive line, and the phenomenon that the nearby flammable gas is ignited to cause explosion in flammable and explosive places, so that potential safety hazards are brought. Therefore, the structure for completing the hot start process under the condition of using the thermosensitive wire is designed, and the influence of high temperature or flame generated by ignition of the thermosensitive wire is eliminated, so that the technical problem to be solved is urgent.
Disclosure of Invention
The utility model aims to overcome the defects and provide a fire extinguishing device hot starting structure with a flame arrester, which completes a hot starting process through a thermosensitive wire and eliminates the influence of high temperature or flame generated by the ignition of the thermosensitive wire.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the utility model provides a take fire extinguishing device hot start structure of flame arrester, includes the box body, be equipped with the battery in the box body, the circuit at battery place is connected with fire extinguishing device's ignition head start line, and the circuit at battery place still is connected with thermistor, thermistor one side and thermistor one end contact, the outer surface cover of thermistor is equipped with the fine pipe of glass, the fine pipe surface connection of glass has the flame arrester.
Preferably, two ends of the ignition head of the fire extinguishing device are respectively connected with an ignition head starting line, one electrode of the battery is communicated with one ignition head starting line through a first line, the other ignition head starting line is communicated with one end of a second line, the other end of the second line is communicated with one end of the thermistor, and the other electrode of the battery is communicated with the other end of the thermistor through a third line.
Preferably, a silica gel sleeve is arranged between the battery and the inner wall of the box body.
Preferably, the surface of the glass fiber tube is sleeved with a plurality of three-way pipes, two branch pipes of the three-way pipe positioned in the inner area are respectively communicated with the glass fiber tube, and the other branch pipe is connected with the flame arrester; the first branch pipe of the three-way pipe positioned in the end area is communicated with the glass fiber pipe, the second branch pipe is connected with the flame arrester, and the third branch pipe is provided with a tail end plug.
Preferably, the flame arrester comprises a shell connected with the tee branch pipe, and a steel wire mesh is arranged in the shell.
Preferably, the two sides of the steel wire mesh are provided with a separation net, and the outlet position of the shell is provided with a grid.
Preferably, the inlet position of the shell is connected with the tee branch pipe through a joint.
The utility model has the beneficial effects that:
according to the utility model, the hot start process can be completed through the cooperation between the thermosensitive wire and the thermistor, and the influence of high temperature or flame generated by the ignition of the thermosensitive wire is eliminated through the arrangement of the flame arrester.
Drawings
FIG. 1 is a schematic view of a thermal starting structure of a fire extinguishing apparatus with a flame arrester;
FIG. 2 is a schematic view of the internal structure of the flame arrestor of FIG. 1;
fig. 3 is a schematic view of the internal structure of the case.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 3, a fire extinguishing device hot start structure with a flame arrester comprises a box body 1, wherein a battery 2 is arranged in the box body 1, a circuit where the battery 2 is connected with an ignition head start line 3.1 of the fire extinguishing device 3, the circuit where the battery 2 is also connected with a thermistor 5, one side of the thermistor 5 is contacted with one end of a thermosensitive wire 4, a glass fiber tube 6 is sleeved on the outer surface of the thermosensitive wire 4, and the surface of the glass fiber tube 6 is connected with the flame arrester 7.
Preferably, two ends of the ignition head of the fire extinguishing device 3 are respectively connected with one ignition head starting line 3.1, one pole of the battery 2 is communicated with one ignition head starting line 3.1 through a first line 8, the other ignition head starting line 3.1 is communicated with one end of a second line 9, the other end of the second line 9 is communicated with one end of the thermistor 5, and the other pole of the battery 2 is communicated with the other end of the thermistor 5 through a third line 10. The thermistor 5 in this embodiment is a negative temperature coefficient thermistor, the resistance value of which decreases with the rise of temperature, so when a fire disaster occurs, a certain position of the thermosensitive wire 4 in the glass fiber tube 6 experiences high temperature to spontaneously ignite, the whole thermosensitive wire 4 is gradually ignited, the thermosensitive resistor 5 is heated by the high temperature heat generated after the end of the thermosensitive wire 4 is ignited, the circuit of the disconnected thermistor 5 is turned into a closed state after the resistance value is reduced to a certain value, and at the moment, the current can pass through the ignition head starting line 3.1, so that the ignition head works to trigger the starting of the fire extinguishing device.
Preferably, as shown in fig. 3, a silica gel sleeve 11 is arranged between the battery 2 and the inner wall of the box body 1. Through setting up behind the silica gel cover 11, can play two effects, firstly prevent that battery 2 from taking place to rock in box body 1, secondly can separate battery 2 and box body 1 inner wall, avoid in the scene of a fire heat conduction too fast so that the battery is heated to damage and lead to whole system to become invalid.
Preferably, the surface of the glass fiber tube 6 is sleeved with a plurality of three-way pipes 12, two branch pipes of the three-way pipe 12 positioned in the inner area are respectively communicated with the glass fiber tube 6, and the other branch pipe is connected with the flame arrester 7; the tee 12 in the end region is connected with the glass fiber tube 6 in a first branch pipe, the fire arrestor 7 in a second branch pipe, and the end plug 13 in a third branch pipe. In this embodiment, after the tee 12 is disposed, the installation process of the flame arrester 7 can be facilitated, and a plurality of flame arresters can be disposed according to actual needs.
Preferably, as shown in fig. 2, the flame arrester 7 comprises a shell 7.1 connected with a branch pipe of the tee pipe 12, and a steel wire mesh 7.2 is arranged in the shell 7.1. When the thermosensitive wire 4 in the glass fiber tube 6 is spontaneously burned due to high temperature, the generated high-temperature gas can be rapidly cooled through the steel wire mesh 7.2 of the flame arrester 7, so that the temperature of the gas discharged from the outlet of the shell 7.1 is greatly reduced, and the external combustible gas is prevented from being ignited.
Preferably, two sides of the steel wire mesh 7.2 are provided with a separation mesh 7.3, and the outlet position of the shell 7.1 is provided with a grid 7.4. The steel wire mesh 7.2 can be conveniently limited through the screen 7.3, meanwhile, the screen 7.3 close to the inlet of the shell 7.1 can also play a certain buffering role on the entering high-temperature gas, so that the high-temperature gas is prevented from directly impacting the steel wire mesh 7.2, and the grid 7.4 has a certain thickness, so that heat can be further absorbed, and the overflow of sparks is prevented.
Preferably, the inlet position of the shell 7.1 is connected with the branch pipe of the tee pipe 12 through a joint 7.5. The installation process between the flame arrester 7 and the tee 12 can be facilitated by the joint 7.5.
The working principle of the embodiment is as follows:
when a fire disaster occurs, a certain position of the thermosensitive wire 4 in the glass fiber tube 6 is heated to a high temperature to cause spontaneous combustion, the whole thermosensitive wire 4 is gradually ignited, the thermosensitive resistor 5 is heated by the high temperature generated after the end part of the thermosensitive wire 4 is ignited, the circuit of the opened thermosensitive resistor 5 is changed into a closed state after the resistance value of the circuit is reduced to a certain value, and at the moment, the current generated by the battery 2 can pass through the ignition head starting line 3.1 to enable the ignition head to work to trigger the starting of the fire extinguishing device; in the burning process of the thermosensitive wire 4, the generated high-temperature gas can be rapidly cooled down through the steel wire mesh 7.2 of the flame arrester 7, so that the temperature of the gas discharged from the outlet of the shell 7.1 is greatly reduced, and the external combustible gas is prevented from being ignited.
The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (7)
1. The utility model provides a take fire extinguisher's hot start structure, includes box body (1), be equipped with battery (2) in box body (1), the circuit that battery (2) are located is connected its characterized in that with ignition head start line (3.1) of fire extinguisher (3): the circuit where battery (2) is located is still connected with thermistor (5), and thermistor (5) one side and thermistor (4) one end contact, the cover of thermistor (4) surface is equipped with fine pipe (6) of glass, fine pipe (6) surface connection of glass has flame arrester (7).
2. The fire extinguishing apparatus hot start structure with a flame arrester as claimed in claim 1, wherein: the fire extinguishing device is characterized in that two ends of an ignition head of the fire extinguishing device (3) are respectively connected with an ignition head starting line (3.1), one pole of the battery (2) is communicated with one ignition head starting line (3.1) through a first line (8), the other ignition head starting line (3.1) is communicated with one end of a second line (9), the other end of the second line (9) is communicated with one end of the thermistor (5), and the other pole of the battery (2) is communicated with the other end of the thermistor (5) through a third line (10).
3. The fire extinguishing apparatus hot start structure with a flame arrester as claimed in claim 1, wherein: a silica gel sleeve (11) is arranged between the battery (2) and the inner wall of the box body (1).
4. The fire extinguishing apparatus hot start structure with a flame arrester as claimed in claim 1, wherein: the surface of the glass fiber tube (6) is sleeved with a plurality of three-way pipes (12), two branch pipes of the three-way pipe (12) positioned in the inner area are respectively communicated with the glass fiber tube (6), and the other branch pipe is connected with the flame arrester (7); a first branch pipe of a three-way pipe (12) positioned in the end area is communicated with the glass fiber pipe (6), a second branch pipe is connected with the flame arrester (7), and a third branch pipe is provided with a tail end plug (13).
5. The fire extinguishing apparatus hot start structure with a flame arrester as claimed in claim 4, wherein: the flame arrester (7) comprises a shell (7.1) connected with a branch pipe of the three-way pipe (12), and a steel wire mesh (7.2) is arranged in the shell (7.1).
6. The fire extinguishing apparatus hot start structure with a flame arrester as claimed in claim 5, wherein: two sides of the steel wire mesh (7.2) are provided with a separation mesh (7.3), and the outlet position of the shell (7.1) is provided with a grid (7.4).
7. The fire extinguishing apparatus hot start structure with a flame arrester as claimed in claim 5, wherein: the inlet position of the shell (7.1) is connected with a branch pipe of the three-way pipe (12) through a joint (7.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598584.8U CN220070640U (en) | 2023-06-21 | 2023-06-21 | Fire extinguishing device hot start structure with flame arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598584.8U CN220070640U (en) | 2023-06-21 | 2023-06-21 | Fire extinguishing device hot start structure with flame arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220070640U true CN220070640U (en) | 2023-11-24 |
Family
ID=88813970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321598584.8U Active CN220070640U (en) | 2023-06-21 | 2023-06-21 | Fire extinguishing device hot start structure with flame arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220070640U (en) |
-
2023
- 2023-06-21 CN CN202321598584.8U patent/CN220070640U/en active Active
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