KR100607325B1 - Ventilation system for the connection of exhaust duct and central ventilation system - Google Patents

Abstract

A multi-storey building has a central effluent air duct to a roof-mounted ventilator. Air is extracted on each floor through a vent housing with an inlet to a filter. The housing further has a shut-off valve and an outlet with a back-flow prevention valve to the main duct. Also claimed is a commensurate ventilation system.

Description

VENTILATION SYSTEM FOR THE CONNECTION OF EXHAUST DUCT AND CENTRAL VENTILATION SYSTEM}

1 is a cross-sectional view of a bottom type ventilation device with an air valve.

FIG. 2 is a view showing the upper ventilation device as an embodiment similar to FIG. 1.

3 is a view showing a ventilation device having a cross-sectional opening and closing device automatically operated.

4 is a plan view of the ventilation device shown in FIG. 3.

FIG. 5 shows an active ventilation device including an electrically operated fan instead of an air valve. FIG.

FIG. 6 is a plan view of the ventilation device shown in FIG. 5. FIG.

The present invention relates to a ventilation device for connecting to the exhaust pipe.

For central ventilation in particular, ventilation devices are arranged which comprise exhaust pipes, for example installed on a multi-storey building and connected to an exhaust fan located on the roof side. The exhaust fan sucks air discharged from a predetermined building space, for example, a toilet, above the exhaust pipe. To this end, each building space is provided with a ventilation device for introducing indoor air, and the indoor air carried therein reaches a central exhaust pipe and is discharged through a fan on the roof.

Known ventilation systems do not fully meet air and fire protection technical requirements.

Accordingly, an object of the present invention is to provide a ventilation apparatus of the above-described technique having an appropriate effect in consideration of the ventilation effect and safety conditions.

The object of the present invention is solved by a ventilator for connecting to an exhaust pipe comprising a housing comprising an air inlet opening for exhaust airflow in which an air filter is installed. The ventilator of the present invention further includes an air valve through which exhaust air flows and which can be opened and closed in cross section, and an exhaust connection part for coupling to the exhaust pipe, and the exhaust connection part is provided with a backflow shutoff valve. The ventilation device according to the invention can be formed as a top type or a bottom type. The air filter makes it possible to remove suspended matter and contaminants present in the air. An air valve capable of passing the exhaust air stream and opening and closing in cross section is located so that the total amount of the exhaust air stream discharged from each space provided with the ventilation devices connected to the common exhaust pipe is essentially sucked in. Because of this cross-sectional opening and closing, the air valve has a smaller cross section and is farther away from the ventilator in the region where it is located relatively close to the exhaust fan, where a high intake negative pressure is formed, and in the area where a low intake-underpressure is formed. Is adjusted to have a large cross section. Moreover, such cross-sectional opening and closing can understand the situation of each space. Thus, in larger spaces with larger cross sections, the air valve is adjusted to have a relatively smaller space. Therefore, the speed of air exchange (ventilation) in each space can be adjusted individually. With a backflow shutoff valve attached to the exhaust connection, on the one hand, the exhaust treatment can proceed without any problems, and the corresponding backflow shutoff valve is automatically opened by the corresponding negative pressure of the ventilator on the roof to allow the exhaust airflow to pass. Will be. Of course, the negative pressure is formed in the exhaust pipe for various reasons, which is provided with a backflow shutoff valve for blocking between the central exhaust pipe and the ventilation device, that is, the space provided by the ventilation device is divided. The backflow shutoff valve is preferably made of non-combustible material to ensure sufficient safety in the event of a fire.

Preferably, the air filter may be exchanged and installed to allow inspection at regular time intervals in a simple manner.

The air valve is preferably formed as a plate-shaped valve, that is, a plate closing the exhaust opening can be moved to a predetermined position in the opening direction, thereby providing cross-sectional opening and closing.

The backflow shutoff valve is preferably formed as a backflow shutoff lid.

In this connection in particular, it is possible to meet the requirements of safety technology, in particular fire protection technology, if the back flow shutoff valve comprises a thermally actuated switchgear. If the temperature rises above an arbitrary limit, the switchgear is actuated by a thermal method and locks the backflow shutoff valve into the closed position. In this way, a hermetic compartmentalization is achieved, in which both airflow directions are blocked, i.e. the exhaust airflow can no longer reach the exhaust pipe from the interior space, and-by back suction-air flows from the exhaust pipe into the interior space. The reverse flow diagram will no longer be possible.

The air valve may include a cross-sectional opening and closing device also adjustable by hand. Adjustment of each cross section is performed by correcting the entire length. It may be advantageous to install a position indicator in the air valve. This makes it possible to identify that the air valve includes an opening position. This allows the technician to adjust the total amount of exhaust airflow in a very simple manner when the technician acts on the necessary opening-section.

Furthermore, it is a matter of course that the air valve may include a cross-sectional opening and closing device that is automatically operated. The closing of this cross section is carried out in accordance with the corresponding parameters in an independent manner. For example, the cross-section switchgear may be formed as a motor switchgear, an actuator switchgear, a bimetal switchgear and / or an electrothermal switchgear. The regulating-or regulating device and / or the corresponding sensor allows for a regulating action on the position of the air valve, ie the total amount of exhaust airflow. In the case of the electrothermal switchgear, the wax cartridge, which can be actuated by electric heating, preferably proceeds in a manner that works together with the plate of the plate valve. As the temperature rise occurs by heating, the tappet of the wax cartridge moves the plate, and the exhaust opening is slightly opened.

The end face switching device is preferably provided with a time delay adjusting device. Thus, opening and closing adjustment of the cross section is performed in a time delayed manner.

As already mentioned, the end face opening and closing device may be provided with an adjusting sense, which is formed, for example, as a brightness sensor, a humidity sensor, a pressure sensor and / or an electrical switch element. Therefore, the cross-section switchgear reacts according to the brightness, humidity, air pressure, and the circuit of the electric switch element, so that the opening-and-closing adjustment of the desired ventilation cross-section is possible.

In particular, the housing insert provided in the housing is detachably arranged and is used as a container of an air valve or a container of an electrically operated fan. By this formation, the ventilation device can be used as an active single space ventilation device or as a passive central ventilation device. In both cases, the ventilation device can be formed as top or bottom. In the case of the active ventilation device, a fan that is electrically operated in the housing insert and sucks exhaust exhausted from the indoor space and transports it to the exhaust pipe is used. The passive device does not use any vents, but instead provides the air valves already mentioned so that the exhaust air stream is sucked in the center, i.e. an exhaust vent arranged on the roof of the building is provided to create a negative pressure. Allow exhaust air flow from the indoor space to be suctioned on the exhaust pipe. The air valve allows the opening or closing of the ventilator or is adjusted to an intermediate position to ensure the total amount of the given exhaust airflow.

It is also advantageous to install a soundproofing device in the ventilation device. A predetermined airflow path in the housing is made of soundproof material to absorb airflow noise and noise transmitted from the outside. At this time, an example of noise transmitted from the outside is noise transmitted on an exhaust pipe, especially noise transmitted from an adjacent space. The noise protection device is preferably formed in such a way as to minimize the transmission of impact noise.

Finally, the present invention relates to a central ventilation device, ie a device having a central exhaust pipe, which is connected to a negative pressure providing unit and is provided with at least one ventilation device of the above-described technology.

EMBODIMENT OF THE INVENTION Hereinafter, this invention is demonstrated with reference to attached drawing mentioned later and embodiment of this invention.

1 shows a ventilator 1 comprising a housing 2, with a removable cover 3 attached to the front of the housing 2. The lid 3 can open the air inlet gap 4 in which the air inlet opening 5 for exhaust (indoor air) is formed. At the bottom of the cover 3 there is an air filter receptacle 7 at a distance for exhaust to flow through the airflow passage 6, in which the air filter 8 is enclosed in the form of a removable filter mat 9. It is. The filter mat 9 is supported by the grid-like structure 10 of the housing 2. The exhaust gas passing through the filter mat 9 passes through the grid-like structure 10 to reach the pre-chamber 11 in the housing 2. In the housing 2, a removable housing insert 12, which is formed in the form of a housing and comprises a cross-sectional opening and closing air valve 13, is disposed. The air valve 13 is formed as a plate-shaped valve 14 including a plate 15, by which the air inlet opening 16 can be opened or closed somewhat. In order to enable such cross-section opening and closing, the plate 15 is provided with a spiral groove member 17 in the form of a female thread, in which an adjustment screw 18 is fitted. The head section 19 of the adjusting screw 18 is formed arcuate, and an air inlet opening 16 is supported by the bridge-shaped structure 20 thereon. The shaft 21 of the adjusting screw 18 is rotated by the screw spring 22 in the region between the bridge structure 20 and the plate 15. The inner space 23 of the housing insert 12 in the form of a housing is coupled to a tubular engagement support 24 which is connected to an exhaust connection 25 arranged in the housing 2. The exhaust connection 25 is located on the side wall 26 of the housing 2.

Inside the exhaust connection 25, a backflow shutoff valve 27 is arranged which includes a backflow shut open / close lid 28 which is inclined to the shaft 29 and is operated in the closing direction by the spring 30. Moreover, the opening and closing device 32 which is operated by heat is arrange | positioned in the form of the spring front end 33 fixed by the molten solder 34 in the brace 31 of the said backflow shutoff valve 27. As shown in FIG. When the molten solder 34 is melted at a high temperature, the free end portion 36 causes the spring tip 33 to quickly move toward the backflow blocking opening / closing cover 28 along the path of direction change movement in the direction of the arrow 35. Move to close the backflow retractable cover 28-and vice versa open-and also to lock the lever of the backflow retractable cover 28 so that it is no longer open.

The exhaust connection portion 25 is connected to the central exhaust pipe by a coupling pipe (not shown), which may be extended in length, for example in a multi-storey building. The exhaust pipe is connected to an exhaust fan on the roof which performs the suction action.

The ventilation device according to the invention functions as follows: Firstly, by the action of the ventilator, indoor air is sucked in through the air inlet opening 5 and reaches the air filter 8. After the exhaust airflow passes through the air filter 8 to reach the prechamber 11, it passes from there through a plate-shaped valve 14 in the interior space 23 of the housing insert 12. The amount of this exhaust airflow varies depending on the position of the plate valve 14 and the regulating action of the plate 15 relative to the air inlet opening 16. Exhaust airflow then flows out of the interior space 23 within the engagement support 24, thereby independently opening the backflow cut-off lid 28 by the flow action of the exhaust airflow, wherein the spring 30 is Increases. The exhaust airflow then flows into the exhaust connection 25 where it flows to a fan on the joining pipe of the central exhaust pipe and is discharged therefrom. When the operation of the fan is stopped, the suction action is stopped, and the spring 30 closes the backflow blocking opening / closing cover 28. For example, when a fire breaks out in the building, the heat-opening opening and closing device 32 is operated to fix the backflow blocking opening and closing cover 28 in the closed position.

Since the cover 3 is detachable, the filter mat 9 can be replaced or cleaned. The housing tip 37 can be separated from the lower region of the housing 2 by removing the set screw 38, thereby allowing access to the head 19 of the adjusting screw 18. Since the skilled worker at the time of installation can move the plate 15 of the plate-shaped valve 14 by rotating the adjusting screw 18 using a screw rotator, this method allows the cross section of the air valve 13 to be exhausted. The total amount of can be adjusted to have a desired value. The screw spring 22 completely guarantees the position of the plate 15.

FIG. 2 shows an embodiment of a ventilator 1 similar to the embodiment of FIG. 1, which is shown as an upper type rather than a lower type according to FIG. 1, in particular the exhaust connection 25 has a housing 2. It is not located on the side wall 26 of), but is located on the rear wall 39 of the housing 2. Accordingly, the housing insert 12 of FIG. 2 is formed differently from the housing insert 12 of FIG. 1, so that the exhaust air flow discharged from the inner space 23 is exhausted through the coupling support 24 which is severely curved. Flow to 25. The remaining part of the embodiment of FIG. 1 is applied to the embodiment of FIG. 2 as it is.

3 is a view showing an embodiment of a ventilation device similar to the embodiment of FIG. 1. Therefore, the content of the said description of FIG. 1 is referred to as it is. The plate-shaped valve 14 of the embodiment of FIG. 1 is the same except that the valve-shaped valve 14 of the embodiment of FIG. At this time, the cross-sectional opening and closing device 40 is a known actuator that can move the plate 15 in the direction of the two-way arrow 43 by the tappet 42 so that the air inlet opening 16 is closed or slightly open ( 41). For automatic opening and closing, the electrical coupling portion 44 is heated by electric heating inside the cross-section opening and closing device 40, and the wax cartridge (not shown) is heated to move the tappet 42.

Compared with the embodiment of FIG. 1, in the embodiment of FIG. 3, the plate 15 is provided with an exhaust port 45 through which a basic amount of exhaust air flow can be formed, and the plate 15 is in the closed position. When the exhaust air flow is discharged through the exhaust port (45). In this way, it is installed separately from the position of the cross-sectional opening and closing device 40 that can automatically adjust the basic ventilation demand.

4 is a plan view illustrating the configuration of FIG. 3. The housing insert 12 is fixed by the braking and inductive coupling 46 in the interior of the housing 2, which is easily removable along the top when the braking and inductive coupling 46 is separated. Do. In this detachment, the connection between the coupling support 24 and the exhaust connection 25 is automatically released. The electrical coupling 44 is arranged to be automatically disconnected along the plug disconnection path. When inserting the housing insert 12 into the housing 2, the above process is performed in reverse, i.e., forming an electrical coupling, and then providing an exhaust coupling.

The dashed line shown in FIG. 4 indicates that a second indoor space suction can be effected by at least one exhaust closure 47, ie an additional space in the building is connected to at least one additional exhaust closure 47. To ventilate the indoor space.

FIG. 5 shows another embodiment of the ventilation device 1 which is almost similar to the embodiment of FIG. 1, with reference to the corresponding description of FIG. 1. There is no air valve 13, and instead there is a vent 48 disposed therein, including a rotating support 50 with a rotating force 50 and a rotating ventilator wheel 51 fixed to the rotating support. In this case, upon initial installation simply by replacing the equipment or by corresponding installation, an air valve 13 is formed in the housing insert 12 to form a passive installation, or a vent 48 in the bridge structure 20. The motor 49 of) can be fixed to form an automatic facility. The ventilator wheel 51 may be formed in the interior space 23 of the housing insert 12, and may be arranged such that the radial fan and the air inlet opening 16 work together.

In operation, exhaust airflow flowing through the air inlet opening 5 by the ventilator 48 is sucked through the filter mat 9, then through the ventilator wheel 51, and through the coupling support to the exhaust connection portion. (25) is reached. The exhaust airflow discharged from the exhaust connection 25 is discharged outward by a suitable exhaust pipe (not shown).

FIG. 6 is a plan view of the embodiment of FIG. 5 with the front end face of the housing 2 removed.

The ventilation device 1 is provided with a soundproofing device, that is, each or every inner wall disposed in the exhaust airflow path can be provided with a soundproof cover or made of a soundproofing material. In this way, it can absorb noise from the outside, for example, operating noise of the fan. Furthermore, the noise of the ventilator is not transmitted to another ventilator. This noise absorption function can prevent the spread of impact noise in the overall structure.

 As described above, the present invention provides a ventilation device capable of sufficiently satisfying the ventilation effect and the safety condition. Moreover, according to the ventilation apparatus of this invention, it can absorb airflow noise and the noise transmitted from the outside.

Claims (15)

Ventilation device for connection to an exhaust pipe comprising a housing including an air inlet opening for exhaust airflow having an air filter installed therein, an air valve through which the exhaust airflow can pass and open / close in cross section, and an exhaust connection for coupling to the exhaust pipe And a backflow shutoff valve is provided at the exhaust connection portion. The ventilation device according to claim 1, wherein said air filter is formed to be replaceable. The ventilation device according to claim 1 or 2, wherein the air valve is a plate valve. The ventilating apparatus according to claim 1 or 2, wherein the backflow shutoff valve includes a backflow shutoff cover. 3. A ventilator according to claim 1 or 2, wherein said backflow shutoff valve comprises a heat-opening opening and closing device. The ventilation device according to claim 1 or 2, wherein the air valve includes a cross-sectional opening and closing device that is adjustable by hand. The ventilation device according to claim 1 or 2, wherein the air valve includes a position indicator. The ventilation device according to claim 1 or 2, wherein the air valve includes a cross-sectional opening and closing device which is automatically operated. The ventilation device according to claim 8, wherein the cross-section switchgear includes a motor switchgear, an actuator switchgear, a bimetal switchgear or an electrothermal switchgear. The ventilation device according to claim 8, wherein a time delay adjusting device is attached to the end face opening and closing device. The ventilation device according to claim 8, wherein an adjustment sensor is attached to the end face opening and closing device. 12. The ventilation device according to claim 11, wherein said control sensor is a brightness sensor, a humidity sensor, a pressure sensor or an electric switch element. 3. The ventilation device according to claim 1 or 2, further comprising a housing insert used as a receiver of an air valve in the housing. The ventilation device according to claim 1 or 2, further comprising a sound insulation device composed of a sound insulation material in the air flow path in the housing. delete

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