CN217430702U - Residence with indoor fire-fighting system - Google Patents
Residence with indoor fire-fighting system Download PDFInfo
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- CN217430702U CN217430702U CN202221405197.3U CN202221405197U CN217430702U CN 217430702 U CN217430702 U CN 217430702U CN 202221405197 U CN202221405197 U CN 202221405197U CN 217430702 U CN217430702 U CN 217430702U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to an indoor fire control safety design field, more specifically relates to a take house of indoor fire extinguishing system, including water supply pipe, spray set, the house includes kitchen, sitting room and bathroom. The water supply pipeline comprises a fire-fighting water supply pipeline and a standby water supply pipeline; the fire-fighting water supply pipeline is communicated with a public fire-fighting pipeline outside the residence room, and the standby water supply pipeline is communicated with a domestic water pipeline inside the residence room; a first one-way valve is arranged between the fire-fighting water supply pipeline and the public fire-fighting pipeline, and the fire-fighting water supply pipeline is communicated with the spraying device; the standby water supply pipeline is communicated with the spraying device, and a second one-way valve is arranged between the standby water supply pipeline and the spraying device. The problem of fire control water supply rely on the initiative control, supply with single moreover, lead to fire control security and reliability not enough is solved, makes fire control water supply reliability better.
Description
Technical Field
The utility model relates to an indoor fire control safety design field, more specifically relates to a house of indoor fire extinguishing system in area.
Background
The fire disaster is one of the main disasters with the highest occurrence frequency and the most common occurrence places. Once a residential fire occurs, irreparable damage to the people and property will occur. The best time for fire extinguishing is within 5-7 minutes of the building, and then fire fighting and rescue are difficult to catch the fire scene at the best time for fire extinguishing. Therefore, fire protection in high-rise dwellings is a particularly important ring in fire protection of high-rise dwellings. According to the fire case display at home and abroad, the fire sprinkler system is a technical measure which can effectively restrain the fire spreading in time.
In the existing high-rise residence in China, fire-fighting sprays are generally arranged in public areas in buildings, and the fire-fighting sprays are not installed in resident rooms. Therefore, in the initial stage of a fire in a room, the existing fire sprinkler system cannot play a role in suppressing the fire. Existing sprinkler systems are supplied with water by separate fire water supply pipes. However, the fire-fighting water supply pipeline system and the electrical control system are complex, long in pipeline, multiple in branch and multiple in valve, and depend on manual inspection of property. Once daily lack of management, the problem that can't in time discover to exist, the fire control water supply breaks down easily. For example, in the Hangzhou nanny fire desk, an indoor fire-fighting system cannot play a role in restraining the spread of fire. In the system, when a fire disaster happens, municipal power supply is often interrupted and switched into a standby power supply, so that the conventional water supply equipment is finally disconnected. Although the factors for guaranteeing water supply are more, the problem of insufficient water supply pressure of high-rise residences still stands out, and the consequence of indoor fire fighting without water supply in a fire disaster is not obvious.
Although the existing fire-fighting water supply pipeline is provided with monitors, the standard inspection and supervision flow is formulated. However, as the age of a residential building increases, and as a large number of older residential buildings exist for over 50 years, the detection of fire water supply lines is often overlooked. The neglect has objective factors, one is that the real use frequency of the fire fighting pipeline is low, and negligence is easy to occur depending on artificial active monitoring; and the other is that the management of the fire fighting pipeline is usually concurrent management, and the management, the inspection and the maintenance are not centralized. This results in problems with the fire protection system and the water supply system being delayed and ignored, and even partially serious problems not being known, which is very detrimental to the safety of the household. The prior art needs a more humanized monitoring mode to solve the problem that a fire extinguishing system is difficult to effectively monitor for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming above-mentioned prior art's at least defect, provide a house of indoor fire extinguishing system in area for solve the fire control and supply water and rely on the initiative control, supply with singlely moreover, lead to the not enough problem of fire control security and reliability.
The utility model adopts the technical scheme that a house with an indoor fire-fighting system is arranged in a house room and comprises a water supply pipeline and a spraying device, and the house comprises a kitchen, a living room and a toilet;
the water supply pipeline comprises a fire-fighting water supply pipeline and a standby water supply pipeline;
the fire-fighting water supply pipeline is communicated with a public fire-fighting pipeline outside the residence room, and the standby water supply pipeline is communicated with a domestic water pipeline inside the residence room;
a first one-way valve is arranged between the fire-fighting water supply pipeline and the public fire-fighting pipeline, and the fire-fighting water supply pipeline is communicated with the spraying device;
the spare water supply pipeline is communicated with the fire-fighting water supply pipeline, and a second one-way valve is arranged between the spare water supply pipeline and the fire-fighting water supply pipeline.
In this technical scheme, fall into fire control water supply pipeline and reserve water supply pipeline with the water supply pipeline and set up the check valve respectively in order to let after addding reserve water supply pipeline, fire control water supply and domestic water supply still keep independent mutually, both prevented that the fire control water from leading to pouring to reserve water supply pipeline because the pressure is higher than the domestic water supply, when preventing water pressure not enough in the fire control water supply pipeline again, reserve water supply pipeline is shared to spray set's water supply to in the public fire control water supply pipeline.
Generally, the fire-fighting water is water which cannot be eaten after being treated by a sewage treatment plant; the domestic water is tap water from rivers and lakes after disinfection treatment, and the two types of water have different purposes and standards, so the domestic water and the tap water are not mixed. Therefore, the domestic water pipeline in the residential floor is a pipeline which is mutually independent from the public fire-fighting pipeline and supplies domestic water for the residential; the public fire fighting pipeline is used as a water source to supply water for the fire fighting water supply pipeline, the domestic water pipeline is used as a water source to supply water for the standby water supply pipeline, and a domestic water supply source is used as standby water supply when the fire fighting water supply pipeline is insufficient in water supply.
First check valve makes one-way conduction between fire control water supply pipe and the public fire control pipeline, and fire-fighting water flows to spray set from public fire control pipeline through fire control water supply pipe, avoids the water counterflow of fire control water supply pipe to public fire control pipeline. The second check valve makes one-way conduction between reserve water supply pipe and the fire control water supply pipe, and domestic water supply is through reserve water supply pipe flow direction spray set, avoids water to reserve water supply pipe against the current. First check valve and second check valve set up simultaneously for the fire water can not flow to reserve water supply pipe, also makes the domestic water supply can not flow to public fire control water supply pipe, has really guaranteed the mutual independence of public fire control water supply pipe and domestic water supply pipe.
Because the fire-fighting water supply and the domestic water supply are not interfered with each other, when the fire-fighting water supply pipeline supplies water abnormally, the standby water supply pipeline can be used as the fire-fighting water with auxiliary function. Moreover, the frequency of using domestic water is high, once abnormal conditions occur, the domestic water can be found quickly, and the domestic water is difficult to be ignored due to the influence on normal life, so that the domestic water is not repaired for a long time, and further the water supply safety of a spare water supply pipeline is high.
The water storage tank is arranged on the standby water supply pipeline, the booster pump is arranged between the water storage tank and the spraying device, one end of the booster pump is communicated with the water storage tank, and the other end of the booster pump is communicated with the spraying device.
The water storage tank can further improve the problem that a domestic water supply source is short again in a fire disaster, domestic water supply can be prestored through the water storage tank, spraying for a period of time can still be maintained when the domestic water supply source is disconnected, more time is strived for controlling a fire condition and waiting for rescue, and therefore the reliability of fire protection water supply is improved. The booster pump can maintain the output pressure of the standby water supply in the water storage tank when the pressure of the domestic water supply source is insufficient due to abnormity, so that the water storage tank can still continuously output under the action of no domestic water supply source.
The water storage tank comprises a high-level water tank and a low-level water tank, one end of the high-level water tank is communicated with the standby water supply pipeline, and the other end of the high-level water tank is connected with the low-level water tank; the low-level water tank is connected with the booster pump; the high-level water tank is provided with an exhaust valve.
The high-level water tank is used for storing domestic water, and water in the high-level water tank can be used as standby water supply when a domestic water source is abnormal and a fire disaster happens. The high-level water tank and the low-level water tank are connected to form a water circulation system, so that water in the high-level water tank continuously flows to the low-level water tank, the water in the low-level water tank is used as standby water for fire fighting, and the water can be discharged from the water circulation system for long storage time to keep the cleanness of the water storage tank. The exhaust valve is an automatic exhaust valve, and the exhaust valve is arranged at the top of the high-level water tank and is helpful for exhausting so that the water storage tank can be completely filled.
The spraying device comprises a first spraying device and a second spraying device, the first spraying device is arranged in a kitchen, the second spraying device is arranged in a living room, and the triggering temperature of the first spraying device is higher than that of the second spraying device.
The kitchen is easy to use open fire, the oil smoke temperature is high, and the electric appliance circuits are multiple, so that the fire firing frequency is higher, and the spraying device arranged in the kitchen is beneficial to quickly extinguishing fire at the initial stage of fire without spreading the fire. The residential living room is large relative to other rooms and is the primary path to the exterior and the room where the sprinkler system is located also helps to efficiently block the spread and expansion of a fire.
The top in kitchen is equipped with the furred ceiling smallpox, be equipped with first installation room between furred ceiling smallpox and the kitchen roof, high flush tank sets up in the first installation room.
The bathroom is equipped with the caisson, be equipped with the second installation room in the caisson, low level water tank sets up in the second installation room.
The high-level water tank and the low-level water tank are arranged at different heights to form a height difference, the high-level water tank can deliver water to the low-level water tank by depending on the gravity of the water, and the high-level water tank is higher than the low-level water tank in height and higher in pressure than the low-level water tank, so that the auxiliary water delivery by means of external force can be reduced.
The spare water supply pipeline is also provided with a water outlet which is arranged between the booster pump and the spraying device; the toilet is provided with a flushing water tank, and the standby water supply pipeline is communicated with the flushing water tank through the water outlet.
When no fire occurs, the water in the water storage tank is used for flushing the water tank in a toilet, so that the sanitary requirements of life are met. Meanwhile, the water stored in the water storage tank can be discharged, the running water is prevented from being changed into dead water, the flowing water effectively cleans the water storage tank, and the automatic cleaning function is realized.
A first control valve is arranged between the water outlet and the flushing water tank, and the water outlet is connected with the flushing water tank through the first control valve.
The water in the water storage tank can flow to a flushing water tank which can be a flushing water tank of a toilet or a squatting pan; and may also flow to a spray device. The first control valve is a one-way valve, and is closed, so that water in the water storage tank can be prevented from flowing to the flushing water tank, the water can flow to the spraying device in a one-way mode, and the standby water supply fire-fighting effect is achieved.
And a second control valve is arranged on the standby water supply pipeline, and the water storage tank is communicated with the domestic water pipeline through the second control valve.
The second control valve controls domestic water to enter the standby water supply pipeline. The second control valve is a directional control valve, and precisely, the second control valve is a one-way valve in the directional control valve and controls the on-off and the flow direction of water flow, namely, the water flow is only allowed to be connected in a one-way in a pipeline.
One side of the spare water supply pipeline close to the spraying device is provided with a water flow detection switch, and the water flow detection switch is connected with the booster pump.
The water flow detection switch can detect the state that the spraying device continuously utilizes the standby water supply to spray, and controls the start and stop of the booster pump.
Compared with the prior art, the beneficial effects of the utility model are that: a standby water supply pipeline and a water storage tank are used for adding one more standby water supply for the spraying device, so that the safety and the reliability of a water supply system are greatly improved; by utilizing the characteristics of mutual independence of the fire-fighting water supply pipeline and the standby water supply pipeline and frequent use of domestic water, the state of standby water supply can be known in time without deliberate examination and monitoring, so as to ensure the stability of standby water supply; by utilizing the cooperation of the check valve and the control valve, the adverse effect of centralized water supply on fire water supply and standby water supply is eliminated.
Drawings
FIG. 1 is a schematic illustration of a residence with an indoor fire protection system;
FIG. 2 is an auxiliary fire fighting system for a kitchen;
FIG. 3 is an auxiliary fire fighting system for a living room;
description of reference numerals: fire control water supply pipe 100, first check valve 101, reserve water supply pipe 200, second check valve 201, water flow detection switch 202, outlet 203, first control valve 204, second control valve 205, spray set 300, first spray set 301, second spray set 302, high-order water tank 401, low-order water tank 402, discharge valve 411, booster pump 500, kitchen 001, sitting room 002, furred ceiling smallpox 011, roof 012, first installation room 013, bathroom 003, caisson 031, second installation room 032, wash water tank 033.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For the purpose of better illustrating the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, the present embodiment is a residence with an indoor fire fighting system, which is disposed in a residence room and includes a water supply pipeline and a spraying device 300. The house includes kitchen 001, sitting room 002 and bathroom 003, and the water supply pipe includes fire control water supply pipe 100 and reserve water supply pipe 200, and fire control water supply pipe 100 communicates with the outdoor public fire control pipeline of house, and reserve water supply pipe 200 communicates with the indoor domestic water pipeline of house. A first one-way valve 101 is arranged between the fire water supply pipeline 100 and the public fire pipeline, and the fire water supply pipeline 100 is communicated with the spraying device 300; the standby water supply pipeline 200 is communicated with the spraying device 300, and a second one-way valve 201 is arranged between the standby water supply pipeline 200 and the spraying device 300.
In this embodiment, a water storage tank is provided on the spare water supply pipeline 200, a booster pump 500 is provided between the water storage tank and the spraying device 300, one end of the booster pump 500 is communicated with the water storage tank, and the other end is communicated with the spraying device 300. The water storage tank comprises a high-level water tank 401 and a low-level water tank 402, one end of the high-level water tank 401 is communicated with the standby water supply pipeline 200, and the other end of the high-level water tank is connected with the low-level water tank 402; the low level water tank 402 is connected to the booster pump 500.
In this embodiment, the spraying device 300 includes a first spraying device 301 and a second spraying device 302, the first spraying device 301 is disposed in the kitchen 001, the second spraying device 302 is disposed in the living room 002, and the trigger temperature of the first spraying device 301 is greater than the trigger temperature of the second spraying device 302. For example, the trigger temperature of the first spray device 301 may be 93 ℃ and the trigger temperature of the second spray device 302 may be 68 ℃.
In this embodiment, the top of kitchen 001 is equipped with furred ceiling smallpox 011, is equipped with first installation room 013 between the furred ceiling smallpox 011 and the roof 012 of kitchen 001, and high flush tank 401 sets up in first installation room 013. The toilet 003 has a caisson 031, in which a second installation chamber 032 is provided, and the low-level tank 402 is provided in the second installation chamber 032.
In this embodiment, the spare water supply pipeline 200 is further provided with a water outlet 203, and the water outlet 203 is arranged between the booster pump 500 and the spraying device; the toilet 003 is provided with a flush water tank 033, and the spare water supply pipe 200 is communicated with the flush water tank 033 through a drain opening 203. A first control valve 204 is provided between the drain opening 203 and the flush tank 033, and the drain opening 203 is connected to the flush tank 033 through the first control valve 204.
The spare water supply pipeline 200 is provided with a second control valve 205, and the water storage tank is communicated with the domestic water pipeline through the second control valve 205. A water flow detection switch 202 is arranged on one side of the spare water supply pipeline 200 close to the spraying device 300, and the water flow detection switch 202 is connected with the booster pump 500.
With the attached drawings, the action process of the utility model is as follows: the domestic water and the fire-fighting water are used as two independent water sources and supply water to the spraying device 300 together. With respect to the fire-fighting water, the fire-fighting water passes through the public fire-fighting pipe, then passes through the fire-fighting water supply pipe 100 via the first check valve 101, and then flows to the sprinkler 300, so that the sprinkler 300 is always in a water full state. Regarding domestic water, domestic water flows to the standby water supply pipeline 200 through the domestic water pipeline, a first control valve 204 is arranged near the connecting position of the domestic water pipeline and the standby water supply pipeline 200, water flows to the high-level water tank 401 through the first control valve 204 and is filled in the high-level water tank 401, and redundant gas is automatically discharged through the exhaust valve 411; after the high-level water tank 401 is filled with water, water flows down from the high-level water tank 401 to the low-level water tank 402 along the spare water supply pipeline 200, and then the low-level water tank 402 is filled; after being pressurized by the booster pump 500 from the low level tank 402, the water may flow up the spare water supply line 200 to the flush tank 033 and the shower unit 300 of the toilet 003. When the second control valve 205 is closed, water flows to the water flow detection switch 202 along the spare water supply pipeline 200 in a one-way manner, and the booster pump 500 is continuously started to ensure that the water is continuously supplied when the water flow detection switch 202 detects the flow; the water flows through the second check valve 201 to the spraying device 300, so that the spraying device 300 is kept in a water full state. When the second control valve 205 is opened, water flows not only to the spraying device 300 but also to the flushing water tank 033 from the water outlet 203, so as to meet the flushing requirements of daily life.
Example 2
As shown in fig. 2, the present embodiment is an auxiliary fire fighting system for a kitchen 001, and it will be exemplified as follows how a fire water supply pipeline 100 and a standby water supply pipeline 200 supply water to a first sprinkler 301 of the kitchen 001.
Fire water supply pipeline 100 supplies water: the fire-fighting water passes through the public fire-fighting pipeline, then flows through the fire-fighting water supply pipeline 100 through the first one-way valve 101, and then flows to the first spraying device 301, so that the first spraying device 301 is always in a full water state. When a fire breaks out in the kitchen 001, the first spray device 301 is exploded, and fire-fighting water is continuously supplied to the first spray device 301 through the fire-fighting water supply pipeline 100.
The spare water supply pipe 200 supplies water: domestic water flows to the standby water supply pipeline 200 through the domestic water pipeline, a first control valve 204 is arranged near the position where the domestic water pipeline is connected with the standby water supply pipeline 200, water flows to the high-level water tank 401 through the first control valve 204 and is filled in the high-level water tank 401, and redundant gas can be automatically discharged through the exhaust valve 411; after the high-level water tank 401 is filled with water, water flows down from the high-level water tank 401 to the low-level water tank 402 along the spare water supply pipeline 200, and then the low-level water tank 402 is filled; after being pressurized by the booster pump 500 from the low level tank 402, the water may flow up the spare water supply line 200 to the flush tank 033 and the first shower unit 301 of the toilet 003. When the second control valve 205 is closed, water flows to the water flow detection switch 202 along the spare water supply pipeline 200 in a one-way manner, and the booster pump 500 is continuously started to ensure that the water is continuously supplied when the water flow detection switch 202 detects the flow; the water flow passes through the second one-way valve 201 and flows to the first spraying device 301, so that the first spraying device 301 is kept in a full water state. When the second control valve 205 is opened, the water flows not only to the first spraying device 301, but also to the flushing water tank 033 through the water outlet 203, so as to meet the flushing requirements of daily life.
Example 3
As shown in fig. 3, this embodiment is an auxiliary fire fighting system of the living room 002, and the following illustrates how the fire water supply pipeline 100 and the emergency water supply pipeline 200 supply water to the second sprinkler 302 of the living room 002.
Fire water supply pipeline 100 supplies water: the fire-fighting water passes through the public fire-fighting pipeline, then flows through the fire-fighting water supply pipeline 100 through the first one-way valve 101, and then flows to the spraying device, so that the second spraying device 302 is always in a full water state. When a fire breaks out in the kitchen 001, the second spraying device 302 is exploded, and fire-fighting water is continuously supplied to the second spraying device 302 through the fire-fighting water supply pipeline 100.
The spare water supply pipe 200 supplies water: domestic water flows to the standby water supply pipeline 200 through the domestic water pipeline, a first control valve 204 is arranged near the connecting position of the domestic water pipeline and the standby water supply pipeline 200, water flows to the high-level water tank 401 through the first control valve 204 and is filled in the high-level water tank 401, and redundant gas is automatically discharged through the exhaust valve 411; after the high-level water tank 401 is filled with water, water flows down from the high-level water tank 401 to the low-level water tank 402 along the spare water supply pipeline 200, and then the low-level water tank 402 is filled; after being pressurized by the booster pump 500 from the low level tank 402, the water may flow up the spare water supply line 200 to the flush tank 033 and the second shower unit 302 of the toilet 003. When the second control valve 205 is closed, water flows to the water flow detection switch 202 along the spare water supply pipeline 200 in a one-way manner, and the booster pump 500 is continuously started when the water flow detection switch 202 detects the flow rate, so that the water is continuously supplied; the water flow passes through the second check valve 201 and flows to the second spraying device 302, so that the second spraying device 302 is kept in a water full state. When the second control valve 205 is opened, the water flows not only to the second spraying device 302, but also to the flushing water tank 033 through the water outlet 203, so as to meet the flushing requirements of daily life.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A house with an indoor fire-fighting system comprises a water supply pipeline and a spraying device, the house comprises a kitchen, a living room and a toilet, and is characterized in that,
the water supply pipeline comprises a fire-fighting water supply pipeline and a standby water supply pipeline;
the fire-fighting water supply pipeline is communicated with a public fire-fighting pipeline outside the residence room, and the standby water supply pipeline is communicated with a domestic water pipeline inside the residence room;
a first one-way valve is arranged between the fire-fighting water supply pipeline and the public fire-fighting pipeline, and the fire-fighting water supply pipeline is communicated with the spraying device;
the spare water supply pipeline is communicated with the fire-fighting water supply pipeline, and a second one-way valve is arranged between the spare water supply pipeline and the fire-fighting water supply pipeline.
2. The dwelling of claim 1, wherein the spare water supply pipe is provided with a water storage tank, a booster pump is arranged between the water storage tank and the spray device, and one end of the booster pump is communicated with the water storage tank while the other end is communicated with the spray device.
3. The dwelling of claim 2, wherein the reservoir comprises a high level tank and a low level tank, the high level tank communicating at one end with the backup water supply conduit and at another end with the low level tank; the low-level water tank is connected with the booster pump; the high-level water tank is provided with an exhaust valve.
4. The dwelling of claim 1, wherein the spray units comprise a first spray unit disposed in a kitchen and a second spray unit disposed in a living room, and wherein a trigger temperature of the first spray unit is greater than a trigger temperature of the second spray unit.
5. The dwelling of claim 3, wherein the top of the galley has a suspended ceiling, a first installation chamber is provided between the suspended ceiling and the galley roof, and the head tank is disposed in the first installation chamber.
6. The dwelling of claim 3, wherein the toilet is provided with a caisson, the caisson having a second chamber therein, and the low level tank being disposed in the second chamber.
7. The dwelling of any one of claims 1 to 6, wherein the spare water supply conduit is further provided with a water outlet, the water outlet being provided between the booster pump and the sprinkler; the toilet is provided with a flushing water tank, and the standby water supply pipeline is communicated with the flushing water tank through the water outlet.
8. The dwelling of claim 7, wherein a first control valve is provided between the drain outlet and the flush tank, the drain outlet being connected to the flush tank through the first control valve.
9. A dwelling as claimed in any one of claims 2, 3, 5 and 6, in which the spare water supply conduit is provided with a second control valve and the reservoir communicates with the domestic water conduit via the second control valve.
10. The dwelling of any one of claims 1 to 6, wherein the side of the spare water supply conduit adjacent to the spray means is provided with a water flow detection switch electrically connected to the booster pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221405197.3U CN217430702U (en) | 2022-06-06 | 2022-06-06 | Residence with indoor fire-fighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221405197.3U CN217430702U (en) | 2022-06-06 | 2022-06-06 | Residence with indoor fire-fighting system |
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| Publication Number | Publication Date |
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| CN217430702U true CN217430702U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221405197.3U Active CN217430702U (en) | 2022-06-06 | 2022-06-06 | Residence with indoor fire-fighting system |
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| CN (1) | CN217430702U (en) |
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2022
- 2022-06-06 CN CN202221405197.3U patent/CN217430702U/en active Active
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