CN219433424U - Fire control air supply and at ordinary times air supply system - Google Patents
Fire control air supply and at ordinary times air supply system Download PDFInfo
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- CN219433424U CN219433424U CN202320166443.2U CN202320166443U CN219433424U CN 219433424 U CN219433424 U CN 219433424U CN 202320166443 U CN202320166443 U CN 202320166443U CN 219433424 U CN219433424 U CN 219433424U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a fire-fighting air supplementing and normal air supplying system, which comprises an air inlet well, wherein an air taking opening is arranged at the top of the air inlet well; an electric fireproof air port is arranged on a partition wall between the air inlet well and the room, and is powered by a fire control power supply and controlled to be opened or closed by a fire control room; the indoor air conditioner also comprises a normal mechanical air supply device, wherein the normal mechanical air supply device is arranged at the ceiling of the room; the mechanical air supply device comprises a normal air supply fan, wherein the inlet end of the normal air supply fan is communicated with the air inlet shaft through a first air supply pipe, the outlet end of the normal air supply fan is communicated with a second air supply pipe, and an air supply port is arranged on the second air supply pipe; the normal air supply fan is powered by a non-fire-fighting power supply; the utility model combines the fire-fighting natural air supply air inlet well and the normal mechanical air supply air inlet well to share the same air inlet well, thereby reducing the occupied area and space of the fire-fighting natural air supply air inlet well and the normal mechanical air supply air inlet well.
Description
Technical Field
The utility model relates to a fire-fighting air supplementing and normal air supplying system, and belongs to the technical field of building ventilation systems.
Background
In order to ensure the normal operation of the smoke exhaust system when a fire disaster occurs, a fire fighting air supplementing system is required to be arranged; according to the requirements of the specification of the technical standard of the building smoke prevention and exhaust system diagram (GB 51251-2017), the fire-fighting air supplementing system is used for directly introducing air from the outside, and the air supplementing quantity is not less than 50% of the smoke exhaust quantity.
The fire-fighting air supply system is divided into a mechanical air supply system and a natural air supply system, the fire-fighting air supply system and the non-fire-fighting air supply system are often used together in an air shaft, and the air supply form is kept uniform; when the fire-fighting air supplementing system adopts a mechanical air supplementing system, special machine rooms are required to be arranged for placing fire-fighting air supplementing fans according to the requirements of the technical standards of building smoke-proof and smoke-exhausting System diagram (GB 51251-2017), and the building area is occupied and the manufacturing cost is high; if the fire-fighting air supply system adopts a natural air supply system, the room needing air supply or a plurality of rooms cannot be simultaneously serviced when natural air supply is adopted for ordinary air supply; according to the requirements of the specification of heating ventilation and air conditioning design of civil buildings (GB 50736-2012), the air flow rate of the natural ventilation system through the exhaust air duct is preferably 1-1.2 m/s, so that the natural air inlet shaft is large in area, and the area is wasted.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a fire-fighting air-supply and normal-time air supply system, which combines a fire-fighting natural air-supply air inlet well with a normal-time mechanical air-supply air inlet well, so that the fire-fighting natural air-supply air inlet well and the normal-time mechanical air-supply air inlet well share the same air inlet well, and the occupied area and space of the fire-fighting natural air-supply air inlet well and the normal-time mechanical air-supply air inlet well are reduced; and simultaneously satisfies the natural air supply and the smooth mechanical air supply of fire control.
In order to achieve the above object, the present utility model adopts the following technical scheme:
a fire-fighting air-supplementing and normal-time air supply system comprises an air inlet well, wherein an air taking opening is arranged at the top of the air inlet well; an electric fireproof air port is arranged on a partition wall between the air inlet well and the room, and is powered by a fire control power supply and controlled to be opened or closed by a fire control room;
the indoor air conditioner also comprises a normal mechanical air supply device, wherein the normal mechanical air supply device is arranged at the ceiling of the room; the mechanical air supply device comprises a normal air supply fan, wherein the inlet end of the normal air supply fan is communicated with the air inlet shaft through a first air supply pipe, the outlet end of the normal air supply fan is communicated with a second air supply pipe, and an air supply port is arranged on the second air supply pipe; the normal air supply fan is powered by a non-fire-fighting power supply.
As a further preferable aspect of the present utility model, the second air supply duct penetrates through a plurality of rooms in sequence, and an air supply port is provided on the second air supply duct inside each room.
Preferably, the air taking opening is provided with an air taking shutter.
As a further preferable mode of the utility model, an air pipe check valve is arranged on the second air supply pipe close to the outlet end of the normal air supply fan; when fire disaster occurs, the air in the room is prevented from flowing back to the air inlet well.
As a further preferable mode of the utility model, the normal air supply fan is hung on the top of a room through a spring damping hanging hook; the spring damping lifting hook can filter vibration generated during the operation of the normal air supply fan, reduce noise during the use of the air shaft and improve the installation stability of the normal air supply fan.
As a further preferable mode of the utility model, a fire-proof valve is arranged on the first air supply pipe; prevent the fire from being leaped up in different fireproof subareas.
The utility model has the advantages that:
combining the fire-fighting natural air supply air inlet well with the normal mechanical air supply air inlet well, so that the fire-fighting natural air supply air inlet well and the normal mechanical air supply air inlet well share the same air inlet well, and the occupied area and space of the fire-fighting natural air supply air inlet well and the normal mechanical air supply air inlet well are reduced; the electric fireproof air port is closed at ordinary times, and when a fire disaster occurs, the electric fireproof air port is opened after receiving an opening signal sent by the fire control room, so as to perform fire control natural air supplement; the mechanical air supply device supplies air to the interior of the room at ordinary times, and stops supplying air to the interior of the room when a fire disaster occurs; the mechanical air supply device is provided with an air pipe check valve at ordinary times, so that when a fire disaster occurs, air in a room flows back to the air inlet shaft through the air supply air pipe; thereby meeting the switching of the functions of non-fire-fighting air supply and meeting the requirements of air supply in normal times of rooms on the premise of ensuring fire safety; because the fire-fighting air supply adopts natural air supply, no fire-fighting air supply fan is arranged, and the area of a machine room with the square meter of 8-10 square meters is saved; the mechanical air supply device can serve one or more rooms and fireproof subareas at ordinary times; compared with the traditional system, the utility model not only meets the natural air supply requirement of fire control, but also ensures the normal air supply, maximizes the utilization rate of the air inlet well, saves the construction cost and improves the utilization rate of the construction.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
meaning of reference numerals in the drawings:
1-electric fireproof air port, 2-fireproof valve, 3-normal air supply fan, 41-first air supply pipe, 42-second air supply pipe, 5-spring damping lifting hook, 6-air pipe check valve, 7-air inlet well and 8-air taking shutter.
Detailed Description
The utility model is described in detail below with reference to the drawings and the specific embodiments.
As shown in fig. 1, the embodiment is a fire-fighting air-supplementing and normal-time air supply system, which comprises an air inlet well 7, wherein an air taking opening is arranged at the top of the air inlet well 7 and is communicated with the outside; an electric fireproof air port 1 is arranged on a partition wall between the air inlet shaft 7 and a room, and the electric fireproof air port 1 is powered by a fire control power supply and is controlled to be opened or closed by a fire control room;
the indoor air conditioner also comprises a normal mechanical air supply device which is arranged at the ceiling of the room; the mechanical air supply device at ordinary times comprises an ordinary air supply fan 3, wherein the inlet end of the ordinary air supply fan 3 is communicated with an air inlet shaft 7 through a first air supply air pipe 41, the outlet end of the ordinary air supply fan 3 is communicated with a second air supply air pipe 42, and an air supply opening is arranged on the second air supply air pipe 42; the air supply fan 3 is powered by a non-fire-fighting power supply at ordinary times.
In the embodiment, a normal mechanical air supply device is respectively arranged in rooms at two sides of an air inlet shaft 7; in practical application, more mechanical air supply devices can be arranged at ordinary times; of course, the second air supply duct 42 in each normal mechanical air supply device may extend and sequentially pass through a plurality of rooms, and an air supply opening is arranged on the second air supply duct 42 in each room; the air supply device is used for supplying air to a plurality of rooms at ordinary times, so that the service of the plurality of rooms is realized.
In this embodiment, the wind-taking shutter 8 is disposed at the wind-taking opening.
In the embodiment, an air pipe check valve 6 is arranged on a second air supply air pipe 42 close to the outlet end of the normal air supply fan 3; when a fire disaster occurs, the air in the room is prevented from flowing back into the air inlet shaft 7.
In the embodiment, the air supply fan 3 is hung at the top of a room through a spring damping hanging hook 5 at ordinary times; the spring damping lifting hook 5 can filter vibration generated during the operation of the normal air supply fan 3, reduce noise during the use of a wind shaft, and improve the installation stability of the normal air supply fan 3.
In this embodiment, a fire damper 2 is disposed on the first air supply duct 41; prevent the fire from being leaped up in different fireproof subareas.
The operation process of the embodiment is as follows:
when the electric fireproof air port is used at ordinary times, the electric fireproof air port 1 is in a closed state, and the air supply fan 3 starts working to supply air to the interior of a room at ordinary times;
when a fire disaster occurs, the external fire control room sends an opening signal to the electric fire prevention air port 1, the electric fire prevention air port 1 is opened after receiving the opening signal sent by the fire control room, the electric fire prevention air port 1 is in an opened state, outdoor air enters the air inlet shaft 7 through the air taking port, and then enters the room through the electric fire prevention air port 1, so that natural air supplement for fire control is realized;
because the normal air supply fan 3 uses a non-fire-fighting power supply, the power supply of the normal air supply fan 3 is cut off when a fire disaster occurs, and the normal air supply fan 3 stops working; an air pipe check valve 6 is arranged on the second air supply air pipe 42 to prevent the air in the room from flowing back into the air inlet well 7 when a fire disaster occurs; the first air supply pipe 41 is provided with a fire damper 2 to prevent fire bouncing in different fire-proof partitions.
The utility model combines the fire-fighting natural air supply air inlet well and the normal mechanical air supply air inlet well, so that the fire-fighting natural air supply air inlet well and the normal mechanical air supply air inlet well share the same air inlet well, and the occupied area and space of the fire-fighting natural air supply air inlet well and the normal mechanical air supply air inlet well are reduced;
the electric fireproof air port is closed at ordinary times, and when a fire disaster occurs, the electric fireproof air port is opened after receiving an opening signal sent by the fire control room, so as to perform fire control natural air supplement; the mechanical air supply device supplies air to the interior of the room at ordinary times, and stops supplying air to the interior of the room when a fire disaster occurs; thereby meeting the switching of the functions of non-fire-fighting air supply and meeting the requirements of air supply in normal times of rooms on the premise of ensuring fire safety; because the fire-fighting air supply adopts natural air supply, no fire-fighting air supply fan is arranged, and the area of a machine room with the square meter of 8-10 square meters is saved; the mechanical air supply device can serve one or more rooms and fireproof subareas at ordinary times; compared with the traditional system, the utility model not only meets the natural air supply requirement of fire control, but also ensures the normal air supply, maximizes the utilization rate of the air inlet well, saves the construction cost and improves the utilization rate of the construction.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, configured, detachably connected, configured, or integrally connected, configured; can be mechanically or electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, and can also be the communication between the two elements; the specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model; it will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the utility model in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the utility model.
Claims (6)
1. The utility model provides a fire control air supply and at ordinary times air supply system which characterized in that: comprises an air inlet well, wherein an air taking port is arranged at the top of the air inlet well; an electric fireproof air port is arranged on a partition wall between the air inlet well and the room, and is powered by a fire control power supply and controlled to be opened or closed by a fire control room;
the indoor air conditioner also comprises a normal mechanical air supply device, wherein the normal mechanical air supply device is arranged at the ceiling of the room; the mechanical air supply device comprises a normal air supply fan, wherein the inlet end of the normal air supply fan is communicated with the air inlet shaft through a first air supply pipe, the outlet end of the normal air supply fan is communicated with a second air supply pipe, and an air supply port is arranged on the second air supply pipe; the normal air supply fan is powered by a non-fire-fighting power supply.
2. The fire-fighting air supply and normal-time air supply system according to claim 1, wherein the second air supply air pipes sequentially penetrate through a plurality of rooms, and an air supply opening is formed in each second air supply air pipe in each room.
3. The fire-fighting air-supplementing and normal-time air supply system according to claim 1, wherein air-taking louvers are arranged at the air-taking openings.
4. The fire-fighting air-supplementing and normal-air-supplying system according to claim 1, wherein an air pipe check valve is arranged on the second air supply pipe near the outlet end of the normal-air-supplying fan.
5. The fire air supply and air supply system according to claim 1 or 4, wherein the air supply fan is hung on the top of the room through a spring damping hanging hook.
6. The fire air supply and air supply system according to claim 1, wherein the first air supply pipe is provided with a fire damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166443.2U CN219433424U (en) | 2023-02-09 | 2023-02-09 | Fire control air supply and at ordinary times air supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166443.2U CN219433424U (en) | 2023-02-09 | 2023-02-09 | Fire control air supply and at ordinary times air supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219433424U true CN219433424U (en) | 2023-07-28 |
Family
ID=87345595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320166443.2U Active CN219433424U (en) | 2023-02-09 | 2023-02-09 | Fire control air supply and at ordinary times air supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219433424U (en) |
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2023
- 2023-02-09 CN CN202320166443.2U patent/CN219433424U/en active Active
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