TWM472724U - Top mounted flow-jetting smoke-prevention system - Google Patents

Description

Overhead jet smoke prevention system

The present invention is a jet smoke prevention system, and particularly refers to an overhead spray smoke prevention system disposed on a ceiling of a passage.

A typical building usually has a passage connecting the room to the escape port, which allows the escaper to evacuate through the passage when a fire occurs inside the building, and to prevent the smoke from entering the passage. A jet flow and smoke prevention system is generally disposed at the passage, and the spray smoke prevention system is mainly provided with a jet flow pipe on each of the two side walls of the passage, and each of the spray flow pipes is provided with a spray port for jetting the jet airflow. In order to form an air curtain, the effect of blocking the smoke is achieved.

However, since the width of the channel will vary with different escape designs, when the jet smoke control system is widely installed in each channel of the building, the user must adjust each jet flow against the width of each channel. The jet airflow intensity of the smoke system is the most inconvenient to achieve the best smoke prevention effect. Therefore, after observing the above shortcomings, the creator of the case believes that the existing jet smoke control system is necessary to improve. The creation of creation.

The purpose of this creation is to provide an overhead spray smoke prevention system that can be widely installed in each passage of a building without the need for each overhead spray prevention The smoke system adjusts its jet airflow intensity to achieve an easy setting.

For the above purposes, the top-mounted jet smoke control system provided by the creation The system can be disposed in a passage of a building, wherein the passage is surrounded by one ceiling on the top side, one floor on the bottom side, and two side walls on the two sides, and the overhead spray smoke prevention system Including at least two jet tubes, which are disposed in parallel with the ceiling, and each of the jet tubes is provided with at least one inlet passage, and the circumferential side of the nozzle tubes is further connected to the inlet passage in the axial direction. At least one jet port; wherein at least one jet pipe has a jet flow direction downwardly toward the floor and has a first angle with the ceiling; wherein, the remaining jet tubes have a jet flow direction toward the jet port A direction away from the jet direction downwardly toward the jet pipe, obliquely downward toward the floor, and having a second angle with the ceiling; wherein the first angle is greater than the second angle.

The overhead spray smoke prevention system provided by the creation can be a jet pipe obliquely downward in the direction of the jet, the smoke intruding into the passage is blown out of the passage, and an air curtain is formed by the jet pipe downwardly to prevent the smoke from passing through the passage. Not only can the effect of blocking smoke be achieved, but because the height of the general building is fixed at 2.8 to 3.6 meters, the user can uniformly set the jet airflow intensity, so that the overhead jet smoke prevention system is widely used. When installed in each passage of the building, the user can eliminate the need to adjust the jet airflow intensity for each of the overhead jet smoke control systems, thereby achieving an easy setting effect.

100‧‧‧Top-mounted jet smoke control system

10‧‧‧Spray tube

11‧‧‧Intake passage

12‧‧‧ spout

20‧‧‧ pivoting seat

21‧‧‧ pivot button

200‧‧‧ channel

201‧‧‧ ceiling

202‧‧‧floor

203‧‧‧ side wall

Α‧‧‧first angle

Β‧‧‧second angle

Figure 1 is a perspective view of a first preferred embodiment of the present invention.

Figure 2 is a cross-sectional view of the first preferred embodiment of the present invention.

Figure 3 is an axial cross-sectional view of the spout tube of the first preferred embodiment of the present invention.

Figure 4 is a radial cross-sectional view of the spout tube of the first preferred embodiment of the present invention.

Figure 5 is a schematic view showing the use of the first preferred embodiment of the present invention.

Figure 6 is a cross-sectional view showing a second preferred embodiment of the present invention.

Figure 7 is a cross-sectional view of the pivotal seat of the second preferred embodiment of the present invention.

Figure 8 is a schematic view showing the use of the second preferred embodiment of the present invention.

Figure 9 is a cross-sectional view showing a third preferred embodiment of the present creation.

Please refer to FIG. 1 and FIG. 2 together, which are perspective views and cross-sectional views of the first preferred embodiment of the present invention, and refer to FIG. 3 and FIG. 4 together, which is the first preferred embodiment of the present creation. An axial cross-sectional view and a radial cross-sectional view of an example of a sprinkler tube, disclosed as an overhead spray smoke prevention system 100, which can be disposed in a passage 200 of a building, wherein the passage 200 is provided by a ceiling on the top side 201, a floor 202 on the bottom side and two side walls 203 on the two sides, and the overhead spray smoke prevention system 100 includes: at least two spray pipes 10 disposed in parallel to the ceiling 201, and each A jet flow tube 10 is provided with at least one air inlet passage 11 , and at least one of the spray ports 12 communicating with the air inlet passage 11 is disposed on the circumferential side of the spray tube 10 , in the embodiment, The overhead spray smoke prevention system 100 includes two spray tubes 10, and the two ends of the spray tubes 10 are respectively connected to the side walls 203, and the spray stream An inlet passage 11 is defined in the tube 10. Further, the peripheral side of the nozzle 10 is provided with a nozzle 12 connected to the two ends, and the orifice 12 has a pore diameter of 2 to 5 mm.

Wherein, at least one jet pipe 10 has a jet flow direction of the jet port 12 Downwardly facing the floor 202, and having a first angle α with the ceiling 201, and the remaining jet pipe 10, the jet flow direction of the jet port 12 is directed downward toward the jet pipe 10 away from the jet direction, obliquely downward And facing the floor panel 202 and having a second angle β with the ceiling 201, and the first angle α is greater than the second angle β. In this embodiment, the jet direction of one of the nozzles 10 is downward. Toward the floor 202, the jet direction of the other jet tube 10 is directed obliquely downward toward the floor 202, and the first angle α is 90 degrees and the second angle β is 45 degrees.

For a step-by-step understanding of the characteristics of this creation, the use of technical means and The expected effect is to be described in the way of creation. I believe that we can have a deeper and more specific understanding of this creation, as follows: Please refer to Figure 5 at the same time, which is the first best in this creation. For the use of the embodiment, the overhead spray smoke prevention system 100 must first set the spray tubes 10 according to the escape design of the building. In this embodiment, one end of the passage 200 is connected to the interior of the building. The other end is connected to the escape port of the building. Therefore, when the jet tubes 10 are disposed, the jet flow pipe 10 obliquely downward is disposed close to the indoor side, and the jet direction is downward. The jet pipe 10 is disposed close to the escape port side, whereby when a fire occurs in the room of the building, gas can be injected into the intake passage 11 and the gas is ejected from the jet port 12 to form an jet stream. Being able to invade the jet pipe 10 obliquely downward by the direction of the jet The concentrated smoke entering the passage 200 is blown back into the chamber, and an air curtain is formed by the jet flow direction 10 downward to prevent the smoke from passing through the passage 200, thereby not only achieving the effect of blocking the smoke. In order to block the smoke from the indoors of the building, to ensure the safety of the escape of the building, and because the height of the general building is fixed at 2.8 to 3.6 meters, the user can uniformly set the jet airflow intensity. When the overhead spray smoke prevention system 100 is widely installed in each passage 200 of the building, the user can eliminate the need to adjust the jet airflow intensity for each of the overhead spray smoke prevention systems 100, thereby achieving Easy to set up.

Please refer to Figure 6, Figure 7, and Figure 8 at the same time. A cross-sectional view of the second preferred embodiment of the present invention, a cross-sectional view at the position of the pivoting seat, and a schematic view of the use, the overhead jet smoke prevention system 100 differs from the first preferred embodiment in that, further, for each jet Each of the tubes 10 is provided with at least one pivoting seat 20, and the pivoting base 20 is fixed to the ceiling 201, and the pivoting seat 20 is provided with a pivotable button 21, and the jetting tube 10 is The pivoting button 21 is pivoted, and the pivoting button 21 is pivoted to adjust the jet flow direction of the jet opening 12. In this embodiment, each of the two ends of each jet tube 10 is provided with a The pivoting seat 20, thereby allowing the user to adjust the setting position of the jet tubes 10 according to the direction of the intruding of the smoke as shown in FIG.

Please refer to Figure 9 at the same time, which is the third preferred implementation of this creation. In the cross-sectional view of the example, the overhead spray smoke prevention system 100 differs from the first preferred embodiment in that it comprises a three-jet pipe 10, and the jet pipe 10 in the middle thereof has a jet flow direction of the jet port 12 Down toward the floor 202 and with the ceiling 201 The first angle α is sandwiched, and the jet flow pipe 10 on the two sides has a jet flow direction of the jet port 12 toward the downward direction of the jet pipe 10, obliquely downward toward the floor 202, and The ceiling 201 has the second angle β, whereby the jet flow can be simultaneously supplied to both ends of the passage 200 so that the smoke at both ends of the passage 200 cannot enter the passage 200.

Hereby, the characteristics of this creation and its achievable expected performance statement As follows: the overhead spray smoke prevention system 100 of the present invention is capable of blowing the smoke intruding into the passage 200 back out of the passage 200 by the spray pipe 10 obliquely downward toward the spray direction, and by the jet flow The downwardly directed jet pipe 10 forms an air curtain to prevent the smoke from passing through the passage 200, thereby not only achieving the effect of blocking the smoke, but also because the height of the general building is fixed at 2.8 to 3.6 meters. The user can uniformly set the jet airflow intensity, so that the overhead jet smoke prevention system 100 is widely installed in each channel 200 of the building, so that the user does not need to use the spray-type smoke prevention system for each overhead type. 100 adjusts the jet airflow intensity to achieve the effect of easy setting.

In summary, this creation has its excellent progress in similar products. Practicality, at the same time, the domestic and foreign technical data on such structures are not investigated. The same structure exists in the literature. Therefore, this creation has already possessed new types of patents and applied for it according to law.

However, the above-mentioned ones are only one of the preferred embodiments of the present invention, and therefore the equivalent structure is applied to the application of the present specification and the scope of the patent application. Changes are intended to be included in the scope of this creation's patents.

100‧‧‧Top-mounted jet smoke control system

10‧‧‧Spray tube

11‧‧‧Intake passage

12‧‧‧ spout

200‧‧‧ channel

201‧‧‧ ceiling

202‧‧‧floor

Α‧‧‧first angle

Β‧‧‧second angle

Claims (6)

An overhead spray smoke prevention system is a passage that can be disposed in a building, wherein the passage is surrounded by a ceiling on the top side, a floor on the bottom side, and two side walls on the two sides, and the The overhead spray smoke prevention system comprises: at least two spray pipes disposed in parallel on the ceiling, and each of the spray pipes is provided with at least one intake passage, and the circumferential sides of the spray pipes are further disposed in the axial direction. At least one jet port communicating with the intake passage; wherein at least one jet tube has a jet flow direction downwardly toward the floor and has a first angle with the ceiling; wherein the remaining jet tubes are The jet flow direction of the jet nozzle is directed downwardly from the jet flow direction, obliquely downward toward the floor, and has a second angle with the ceiling; wherein the first angle is greater than the second angle. The overhead spray smoke prevention system of claim 1, wherein each of the spray pipes is further provided with at least one pivoting seat, the pivoting seat is fixed to the ceiling, and the pivoting The seat is provided with a pivotable button, and the jet pipe is disposed on the pivot button, and the pivot button can be pivoted to adjust the jet direction of the jet port. The overhead spray smoke prevention system according to claim 1, wherein the spray nozzle comprises a three-jet pipe, and the jet flow direction of the spray port is directed downward toward the floor, and is sandwiched with the ceiling. There is the first angle, and the jet flow tube on the two sides has a jet flow direction which is directed downward from the jet flow direction. The spray tube is oriented obliquely downward toward the floor and has the second angle with the ceiling. The overhead spray smoke prevention system according to claim 1, wherein the orifice has a pore size of 2 to 5 mm. The overhead spray smoke prevention system according to claim 1, wherein the two ends of the spray pipe are respectively connected to the side walls. The overhead jet smoke control system of claim 1, wherein the first angle is 90 degrees and the second angle is 45 degrees.