CN221061567U - Little space fire emotion controlling means - Google Patents
Little space fire emotion controlling means Download PDFInfo
- Publication number
- CN221061567U CN221061567U CN202322785069.7U CN202322785069U CN221061567U CN 221061567 U CN221061567 U CN 221061567U CN 202322785069 U CN202322785069 U CN 202322785069U CN 221061567 U CN221061567 U CN 221061567U
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- fire
- small micro
- space
- control device
- hot aerosol
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- 230000008451 emotion Effects 0.000 title claims abstract description 27
- 239000000443 aerosol Substances 0.000 claims abstract description 71
- 238000001816 cooling Methods 0.000 claims description 49
- 238000005192 partition Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000126 substance Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 13
- 239000000376 reactant Substances 0.000 claims description 13
- 239000002985 plastic film Substances 0.000 claims description 9
- 229920006255 plastic film Polymers 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 4
- 239000001993 wax Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a small micro-space fire emotion control device, which is characterized in that an air inlet (1) and an air outlet (2) are arranged in a small micro-space, a fan (3) is arranged at the air inlet (1) or the air outlet (2), the small micro-space fire emotion control device comprises a controller (4), a first single-way air valve (5), a second single-way air valve (6), a hot aerosol fire extinguishing device (7), an infrared sensor (8) and an alarm (9), the fan (3), the hot aerosol fire extinguishing device (7) and the alarm (9) are all connected with the controller (4), the first single-way air valve (5) is positioned at the air inlet (1), and the second single-way air valve (6) is positioned at the air outlet (2). The utility model has the advantages of timely giving out warning, timely extinguishing flame, reducing loss and being easy to install when a fire occurs in a small micro space.
Description
Technical Field
The utility model belongs to the field of fire-fighting equipment, and particularly relates to a small micro-space fire emotion control device.
Background
The interior space of little space, such as transformer case, power cabinet, communication basic station is comparatively confined space generally, but for the heat dissipation demand of interior device, can set up air intake and air exit on some little space, air intake or air exit department set up the fan, utilizes the fan to produce the air current and passes little space, takes away heat. When a fire in the small micro space is generated, the fire is not easy to be detected in time, the fire has enough development time and cannot be detected until the fire spreads out from the small micro space, but the fire is larger at the moment, the difficulty of extinguishing the fire is increased, most parts in the small-dimensional space are damaged, and the adjacent equipment is damaged together, so that larger loss is caused. Therefore, a fire sensing device with a small micro space is needed.
Disclosure of utility model
The utility model aims to provide a small micro-space fire emotion control device. The utility model has the advantages of timely giving out warning, timely extinguishing flame, reducing loss and being easy to install when a fire occurs in a small micro space.
The technical scheme of the utility model is as follows: the fire emotion control device for the small micro space is characterized in that an air inlet and an air outlet are formed in the small micro space, a fan is arranged at the air inlet or the air outlet, the fire emotion control device comprises a controller, a first unidirectional air valve, a second unidirectional air valve, a hot aerosol fire extinguishing device, an infrared sensor and an alarm, the fan, the hot aerosol fire extinguishing device and the alarm are all connected with the controller, the first unidirectional air valve is located at the air inlet, and the second unidirectional air valve is located at the air outlet.
In the small micro-space fire emotion control device, the hot aerosol fire extinguishing device comprises a shell, a buffer cavity, a cooling cavity and a reaction cavity are sequentially arranged in the shell from top to bottom, a plurality of ejection outlets are arranged on the buffer cavity, a first partition plate fixed with the shell is arranged between the buffer cavity and the cooling cavity, a plurality of first through holes are formed in the first partition plate, a chemical ice bag absorbing heat when meeting water is arranged in the cooling cavity, a plurality of cooling beads are filled in the cooling cavity, a second partition plate is arranged between the cooling cavity and the reaction cavity, a plurality of second through holes are formed in the second partition plate, aerosol reactant is arranged in the cooling cavity, and an igniter connected with a controller is arranged in the cooling cavity.
In the small micro-space fire emotion control device, the chemical ice bag is in a strip shape, is wound in the cooling cavity and forms a channel through which the hot aerosol can pass.
In the small micro-space fire emotion control device, a plurality of chemical ice bags are arranged side by side, and channels through which hot aerosol can pass are formed between adjacent chemical ice bags.
In the small micro-space fire emotion control device, a tubular supporting column is arranged at the lower part of the second partition plate, the material melting point of the supporting column is lower than 200 ℃, the side wall of the supporting column is hollow, the igniter is positioned on the inner side of the top of the supporting column, a spring is arranged between the second partition plate and the first partition plate, and the second partition plate is in sliding connection with the shell.
In the small micro-space fire emotion control device, the outer ring of the second partition plate is bent upwards to form the guide sleeve, the outer peripheral surface of the top of the guide sleeve is provided with the annular groove, the annular groove is internally provided with the sealing ring, and the guide sleeve is elastically connected with the shell through the sealing ring.
In the small micro-space fire emotion control device, the bottom of the second partition plate is sequentially provided with the first heat insulation layer and the plastic film, and the plastic film seals the second through hole.
In the small micro-space fire emotion control device, a wax column is arranged in the first through hole.
In the small micro-space fire emotion control device, the shell sequentially comprises an outer shell, a second heat insulation layer and an inner shell from outside to inside.
Compared with the prior art, the utility model detects whether fire exists in the small micro space or not through the infrared sensor, when the fire exists in the small micro space, the controller enables the alarm to give out warning, so that people arrive at the treatment in time, the controller enables the fan to stop working, external oxygen is prevented from continuously entering combustion-supporting fire in the small micro space, the controller enables the hot aerosol fire extinguishing device to spray hot aerosol, the hot aerosol fills the small micro space, the flame is extinguished in the first time, and the loss is reduced.
Because a large number of components are arranged in a plurality of small micro spaces, and the existing hot aerosol fire extinguishing device is large in size and possibly difficult to mount, the utility model further improves the existing hot aerosol fire extinguishing device, and the main improvement comprises that firstly, a chemical ice bag absorbing heat when meeting water is arranged in a cooling bin, when hot aerosol passes through the cooling bin, water vapor in the hot aerosol acts on the chemical ice bag, so that the chemical ice bag absorbs a large amount of heat, thereby reducing the number of cooling beads, reducing the volume of the cooling bin and reducing the volume of the hot aerosol fire extinguishing device; and a second baffle plate between the cooling bin and the reaction bin is in sliding connection with the shell, the bottom of the second baffle plate is supported by a support column with a low melting point, and a spring is arranged on the upper side of the second baffle plate, when the aerosol reactant works, the support column is melted, the aerosol reactant is compacted by the second baffle plate under the action of the spring all the time, so that the aerosol reactant can react more completely, the utilization rate is high, the medicine loading amount of the aerosol reactant can be reduced on the basis of outputting the same hot aerosol, and the volume of the hot aerosol fire extinguishing device is further reduced, and is convenient to install.
In conclusion, the utility model has the advantages of timely giving out warning, timely putting out flame, reducing loss and being easy to install when a fire occurs in a small micro space.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the hot aerosol fire extinguishing apparatus of example 1.
Fig. 3 is a top view of the chemical ice bag in example 1.
The marks in the drawings are: 1-air inlet, 2-air outlet, 3-fan, 4-controller, 5-first one-way valve, 6-second one-way valve, 7-hot aerosol fire extinguishing apparatus, 8-infrared sensor, 9-alarm, 10-casing, 11-buffer chamber, 12-cooling chamber, 13-reaction chamber, 14-jet outlet, 15-first baffle, 16-first through hole, 17-chemical ice bag, 19-second baffle, 20-second through hole, 22-igniter, 23-support column, 24-spring, 25-guide sleeve, 26-annular groove, 27-sealing ring, 28-first heat insulation layer, 29-plastic film, 30-outer shell, 31-second heat insulation layer, 32-inner shell.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Example 1. Little space fire emotion controlling means, little space forms in the transformer case, has a lot of electric elements in the transformer case, and the surplus space is little, is equipped with air intake 1 and air exit 2 on the transformer case, and air exit 2 department is equipped with fan 3, and fan 3 is located the transformer incasement portion, and fan 3 outwards air supply, the air current that fan 3 produced get into the transformer case from air intake 1, leaves the transformer case from air exit 2, takes away the inside heat of transformer case, prevents that the internal components is overheated.
As shown in fig. 1, the small micro-space fire emotion control device comprises a controller 4, a first unidirectional air valve 5, a second unidirectional air valve 6, a hot aerosol fire extinguishing device 7, an infrared sensor 8 and an alarm 9, wherein the fan 3, the hot aerosol fire extinguishing device 7 and the alarm 9 are all connected with the controller 4, the first unidirectional air valve 5 is positioned at the air inlet 1, and the second unidirectional air valve 6 is positioned at the air outlet 2.
The infrared sensor 8, the controller 4 and the hot aerosol fire extinguishing device 7 are all positioned in the power transformation box, the infrared sensor 8 is fixed at the top of the inner side of the power transformation box, the alarm 9 is fixed at the outer side of the power transformation box, and the alarm 9 is of an acousto-optic type.
The first unidirectional air valve 5 and the second unidirectional air valve 6 are both hinged to the power transformation box through hinges, the hinges are connected to the top of the hinge, the first unidirectional air valve 5 is located the inner side of the power transformation box, and the second unidirectional air valve 6 is located the outer side of the power transformation box. When the fan 3 is in operation, the air flow opens the first and second single directional air valves 5 and 6, and when the fan 3 is out of operation, the first and second single directional air valves 5 and 6 are closed under the action of gravity.
Working principle of the small micro-space fire emotion control device: when the fire in the transformer box occurs, the infrared sensor 8 senses infrared rays emitted by the flame and generates signals, the signals are transmitted to the controller 4, the controller 4 enables the alarm 9 to work and sends out early warning information, so that personnel can process the early warning information in time; the controller 4 stops the fan 3, and the air inlet 1 and the air outlet 2 are closed; the controller 4 enables the hot aerosol fire extinguishing device 7 to work, the hot aerosol fire extinguishing device 7 sprays hot aerosol, the hot aerosol fills the transformer box, fire extinguishing is achieved, and fire intensity is controlled.
A large number of components are installed in many transformer boxes, the space left inside is small, and in order to meet the fire extinguishing requirement, the loading amount of the hot aerosol reactant in the hot aerosol fire extinguishing device 7 is required. On the basis that the capacity of the hot aerosol fire extinguishing device is satisfied and enough hot aerosol can be generated, the hot aerosol fire extinguishing device 7 is reduced in size, so that the hot aerosol fire extinguishing device can be installed in a transformer box, and the hot aerosol fire extinguishing device is also a problem to be solved. In the existing hot aerosol fire extinguishing device, the reaction temperature of aerosol reactants exceeds 300 ℃, namely the temperature of hot aerosol generated by the just-reacted reaction exceeds 300 ℃, if the hot aerosol is directly sprayed out, the hot aerosol fire extinguishing device possibly has secondary fire hidden danger, so the hot aerosol needs to be sprayed out after being cooled, at present, the hot aerosol passes through gaps among a plurality of cooling beads through a plurality of filled cooling beads, and is sprayed out after being cooled down after absorbing heat by the cooling beads, but the heat capacity of the cooling beads is small, the hot aerosol fire extinguishing device is easy to be saturated by heat, a plurality of cooling beads are needed for meeting the heat absorption requirement, and the hot aerosol fire extinguishing device 7 is large in volume due to the existence of a large number of cooling beads and is unfavorable for installation. For this purpose, improvements are made over existing hot aerosol fire extinguishing apparatus.
The improved hot aerosol fire extinguishing device 7 comprises a cylindrical shell 10, a buffer cavity 11, a cooling cavity 12 and a reaction cavity 13 are sequentially arranged in the shell 10 from top to bottom, a plurality of ejection outlets 14 are arranged on the buffer cavity 11, a first partition plate 15 fixed with the shell 10 is arranged between the buffer cavity 11 and the cooling cavity 12, a plurality of first through holes 16 are arranged on the first partition plate 15, a chemical ice bag 17 (existing product) absorbing heat when meeting water is arranged in the cooling cavity 12, a plurality of cooling beads are filled in the cooling cavity 12, a second partition plate 19 is arranged between the cooling cavity 12 and the reaction cavity 13, a plurality of second through holes 20 are arranged on the second partition plate 19, aerosol reactants are arranged in the cooling cavity 12, and an igniter 22 connected with the controller 4 is arranged in the cooling cavity 12.
The chemical ice bag 17 has a flat strip structure, the chemical ice bag 17 is wound in the cooling cavity 12 and is in a spiral shape, the shape of the chemical ice bag 17 is maintained by the filled cooling beads, and a channel through which the hot aerosol can pass is formed.
The lower part of the second partition plate 19 is provided with a tubular support column 23, the material melting point of the support column 23 is lower than 200 ℃, the material can be selected from low-melting point plastics such as POM, the side wall of the support column 23 is hollow, the igniter 22 is positioned on the inner side of the top of the support column 23, a compressed spring 24 is arranged between the second partition plate 19 and the first partition plate 15, and the second partition plate 19 is in sliding connection with the shell 10.
The outer ring of the second partition plate 19 is bent upwards to form a guide sleeve 25, an annular groove 26 is formed in the peripheral surface of the top of the guide sleeve 25, a sealing ring 27 is arranged in the annular groove 26, and the guide sleeve 25 is elastically connected with the shell 10 through the sealing ring 27. The guide sleeve 25 is used for increasing the contact length between the second partition plate 19 and the shell 10 in the vertical direction, guiding better, and meanwhile, the sealing ring 27 is enabled to operate on the reaction cavity 13, so that the sealing ring 27 is prevented from being overheated and damaged. The seal 27 prevents aerosol reactant from entering the cooling chamber 12.
The bottom of the second partition plate 19 is sequentially provided with a first heat insulation layer 28 and a plastic film 29, and the plastic film 29 seals the second through holes 20. The first insulating layer 28 is used to prevent heat of the reaction chamber 12 from being transferred into the cooling chamber 12, and reduce temperature rise of the cooling chamber. The plastic film 29 serves to prevent aerosol reactants from entering the cooling chamber 12.
The wax column is arranged in the first through hole 16, the first partition plate 15 is taken out after being soaked in molten paraffin, and redundant paraffin on two sides is scraped off, so that the wax column can be formed in the first through hole 16. The first through hole 16 is plugged by the wax column, so that external water vapor is prevented from entering the cooling cavity 12, and substances inside the chemical ice bag 17 are prevented from deteriorating.
The housing 10 includes an outer shell 30, a second insulating layer 31, and an inner shell 32 in this order from the outside to the inside. The first insulating layer 28 and the second insulating layer 31 are made of asbestos cloth.
The working principle of the hot aerosol fire extinguishing device 7 is as follows: the controller 4 operates the igniter 22, the aerosol reactant in the reaction chamber 13 generates hot aerosol, the components of the hot aerosol including nitrogen, carbon dioxide and water vapor, and releases a large amount of heat, the reaction temperature exceeds 300 ℃, the plastic film 29 melts, the second through holes 20 are opened, the hot aerosol passes through the second through holes 20 into the cooling chamber 12, passes through the gaps between the cooling beads, enters the buffer chamber 11 from the first through holes 16, the pressure of the hot aerosol is reduced, the temperature is reduced, and then leaves the housing 10 from the ejection port 14. In the process that the hot aerosol passes through the cooling cavity 12, the temperature of the hot aerosol is reduced by the heat absorbed by the cooling beads, and the water vapor in the hot aerosol enters the chemical ice bag 17, so that the chemical ice bag 17 works, and a large amount of heat is absorbed, so that the temperature of the hot aerosol is further reduced.
Along with the progress of the reaction, the supporting column 23 is melted, the second partition plate 19 loses support, and the second partition plate 19 descends to a height under the action of the elastic force of the spring 24, so that the aerosol reactant in the reaction cavity 13 is compacted all the time, the reaction can be completed, and the utilization rate is high.
Example 2. Unlike example 1, there are a plurality of chemical ice packs 17, and a plurality of chemical ice packs 17 are arranged side by side, and a passage through which the hot aerosol can pass is formed between adjacent chemical ice packs 17.
Claims (8)
1. Little space fire emotion controlling means, be equipped with air intake (1) and air exit (2) on the little space, air intake (1) or air exit (2) department are equipped with fan (3), its characterized in that: the fire extinguishing device comprises a controller (4), a first unidirectional air valve (5), a second unidirectional air valve (6), a hot aerosol fire extinguishing device (7), an infrared sensor (8) and an alarm (9), wherein the fan (3), the hot aerosol fire extinguishing device (7) and the alarm (9) are all connected with the controller (4), the first unidirectional air valve (5) is positioned at an air inlet (1), and the second unidirectional air valve (6) is positioned at an air outlet (2);
The hot aerosol fire extinguishing device (7) comprises a shell (10), a buffer cavity (11), a cooling cavity (12) and a reaction cavity (13) are sequentially arranged in the shell (10) from top to bottom, a plurality of ejection outlets (14) are formed in the buffer cavity (11), a first partition board (15) fixed with the shell (10) is arranged between the buffer cavity (11) and the cooling cavity (12), a plurality of first through holes (16) are formed in the first partition board (15), a chemical ice bag (17) absorbing heat when meeting water is arranged in the cooling cavity (12), a plurality of cooling beads are filled in the cooling cavity (12), a second partition board (19) is arranged between the cooling cavity (12) and the reaction cavity (13), a plurality of second through holes (20) are formed in the second partition board (19), aerosol reactant is arranged in the cooling cavity (12), and an igniter (22) connected with a controller (4) is arranged in the cooling cavity (12).
2. The small micro-space fire emotion control device of claim 1, wherein: the chemical ice bag (17) is in a strip shape, and the chemical ice bag (17) is wound in the cooling cavity (12) and forms a channel through which the hot aerosol can pass.
3. The small micro-space fire emotion control device of claim 1, wherein: the chemical ice bags (17) are multiple, the chemical ice bags (17) are arranged side by side, and channels through which hot aerosol can pass are formed between the adjacent chemical ice bags (17).
4. The small micro-space fire emotion control device of claim 1, wherein: the lower part of second baffle (19) is equipped with tubular support column (23), and the material fusing point of support column (23) is less than 200 ℃, and the lateral wall fretwork of support column (23), and some firearm (22) are located the top inboard of support column (23), are equipped with spring (24) between second baffle (19) and first baffle (15), second baffle (19) and casing (10) sliding connection.
5. The small micro-space fire emotion control device of claim 1, wherein: the outer ring of the second partition plate (19) is bent upwards to form a guide sleeve (25), an annular groove (26) is formed in the outer peripheral surface of the top of the guide sleeve (25), a sealing ring (27) is arranged in the annular groove (26), and the guide sleeve (25) is elastically connected with the shell (10) through the sealing ring (27).
6. The small micro-space fire emotion control device of claim 5, wherein: the bottom of the second partition plate (19) is sequentially provided with a first heat insulation layer (28) and a plastic film (29), and the plastic film (29) seals the second through hole (20).
7. The small micro-space fire emotion control device of claim 1, wherein: a wax column is arranged in the first through hole (16).
8. The small micro-space fire emotion control device of claim 1, wherein: the shell (10) comprises an outer shell (30), a second heat insulation layer (31) and an inner shell (32) from outside to inside in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322785069.7U CN221061567U (en) | 2023-10-17 | 2023-10-17 | Little space fire emotion controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322785069.7U CN221061567U (en) | 2023-10-17 | 2023-10-17 | Little space fire emotion controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221061567U true CN221061567U (en) | 2024-06-04 |
Family
ID=91265182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322785069.7U Active CN221061567U (en) | 2023-10-17 | 2023-10-17 | Little space fire emotion controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221061567U (en) |
-
2023
- 2023-10-17 CN CN202322785069.7U patent/CN221061567U/en active Active
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