KR101892128B1 - A ventilation unit with a device that adjusts the air volume by adjusting the damper installed on the body with the ventury differential pressure without the air supply and exhaust fan inside - Google Patents

Abstract

The present invention relates to a ventilation unit having a device for varying an air volume by adjusting a damper installed on a body with a venturi pressure difference without an air supply and exhaust air blower inside, An air conditioner constituting a cooling / heating coil for precooling and preheating the incoming air, and an air supply inverter for controlling the air supply / exhaust unit; An exhaust blow-in portion controlled by the exhaust inverter to exhaust air of the exhaust duct to the outside; And a plurality of ventilation means installed between the air supply duct and the indoor space, wherein each ventilation means comprises a case body having an indoor air supply connection port and an indoor air discharge connection port formed at one side thereof; An exhaust heat exchanger installed in the case body to partition the inside of the case body; An air supply variable air amount regulator provided between the case body and the air supply duct to adjust the amount of air supplied from the air supply duct to the indoor space by varying the amount of opening and closing of the damper through a pressure difference; An exhaust variable air volume regulator provided between the case body and the exhaust duct to adjust the amount of exhaust of air exhausted to the exhaust duct in the indoor space by varying the amount of opening and closing of the damper through a pressure difference; And a control unit configured to control an air flow rate of the air supply variable air amount regulator and the exhaust air amount regulator.

Description

Technical Field [0001] The present invention relates to a ventilation unit having a ventilation unit with a device for varying the air volume by controlling a damper installed on a body with a venturi pressure difference between the air supply unit and the ventilation unit. the venturi differential pressure without the air supply and the exhaust fan inside}

[0001] The present invention relates to a ventilation unit having a device for varying the air volume by adjusting a damper installed on a body with a venturi pressure difference without an air supply and exhaust air blower inside. More specifically, It is possible to prevent the occurrence of condensation in the winter season, as well as to reduce the temperature and the humidity in the summer season, thereby maintaining a comfortable indoor environment and preventing the heat exchanger from being damaged The control of the damper is controlled by varying the amount of opening and closing of the damper by detecting the pressure difference and the length of the duct is made longer or the intensity of the ventilation means is controlled and stopped. , It is possible to keep the amount of exhausted air constant at all times and to detect the change in the static pressure of the duct The sensor can automatically control the air flow rate of the air supply and exhaust air flow to reduce the energy and reduce the noise by decreasing the static pressure. Inside, there is no air supply and exhaust air blower. The present invention relates to a ventilation unit having a device for adjusting the air volume by adjusting a damper installed therein.

VENTILATION UNIT is a ventilation unit that is used to force the LRHDRL into the indoor or outdoor area and blow it outdoors or indoors. It is mainly used for schools, hospitals, kitchens, office buildings, subway history, underground shopping malls, This system filters outside air in an air conditioner or a clean room for ventilation of a multi-use facility that is used by many people such as a facility, a library, a museum, a steam room, a PC room and an office. Automatic operation by manual operation, time schedule operation, Co2 detection is common.

Accordingly, in the structure of the conventional ventilation unit, an outside air inlet and an air outlet are formed at one end of the casing, an outside air outlet and an air inlet are formed at the other end, an air supply fan and an exhaust fan are provided inside the casing, An electric heat exchanger and a filter are installed in the center.

Particularly, in the ventilation unit having such a structure, the outdoor air is introduced into the casing by the air supply fan by the air supply fan, and the air is filtered and discharged to the room. At the same time, the indoor air is introduced into the casing by the exhaust fan, In this process, the total heat exchange part absorbs the heat of the indoor air discharged in winter to increase the temperature of the outdoor air to reduce the heating loss, and absorbs the cold air of the indoor air discharged in summer The cooling air loss is reduced by lowering the outdoor air temperature.

KR 10-1469425 B1 (2014.11.28.) "Total heat exchange ventilation system"

However, in the above-described conventional ventilating apparatus, in the winter season, condensation occurs inside the heat exchanger in which the outside air cooler and the indoor warm air of the image are exchanged. Therefore, in the absence of a separate drain pan, There is a problem that water is dripped to the bottom or damage of the total heat exchanger due to condensation occurs.

In addition, since the room temperature and humidity are raised during the introduction of hot and humid external air during the summer season, there is a drawback that the occupant feels uncomfortable when the air conditioner is not operated during the long operation. When the duct is long, There is a problem that the air volume and the static pressure limit of the small blower built in the air conditioner are exceeded, so that the general ventilation unit can not be installed in the underground or large-scale building of the building.

The object of the present invention is to prevent premature cooling and preheating of the outside air through the cooling and heating coils of the air conditioner, thereby suppressing the occurrence of condensation in the winter season and lowering the temperature and humidity in the summer, The present invention provides a ventilation unit having a ventilation unit with a device for varying the air volume by adjusting a damper installed on the body with a venturi differential pressure without providing an air supply and exhaust air blower inside the ventilation unit, .

Further, according to the present invention, even if the length of the duct is made longer by controlling the amount of opening and closing of the damper by sensing the pressure difference of the air-to-air and air-volume variable air amount regulator, or even when the intensity of the ventilation means is controlled and stopped, Can be maintained constantly. In addition, the static pressure sensor that senses the change in the static pressure of the duct can automatically reduce the airflow of the rich airflow and the airflow of the exhaust airflow to reduce the energy, And a ventilation unit having a device for varying the air volume by adjusting a damper installed on the body with a venturi differential pressure without an air supply and exhaust air blower inside.

According to an aspect of the present invention, there is provided an air conditioner comprising: a supply air rich portion for adjusting an amount of air introduced into an air supply duct; a cooling and heating coil for pre-cooling and preheating the air to be introduced; Harmonics; An exhaust blow-in portion controlled by the exhaust inverter to exhaust air of the exhaust duct to the outside; And a plurality of ventilation means installed between the air supply duct and the indoor space, wherein each ventilation means comprises a case body having an indoor air supply connection port and an indoor air discharge connection port formed at one side thereof; An exhaust heat exchanger installed in the case body to partition the inside of the case body; An air supply variable air amount regulator provided between the case body and the air supply duct to adjust the amount of air supplied from the air supply duct to the indoor space by varying the amount of opening and closing of the damper through a pressure difference; An exhaust variable air volume regulator provided between the case body and the exhaust duct to adjust the amount of exhaust of air exhausted to the exhaust duct in the indoor space by varying the amount of opening and closing of the damper through a pressure difference; And a control unit configured to control an air flow rate of the air supply variable air volume regulator and the air volume adjusting air volume adjuster, the air volume variable air volume regulator being disposed in the case body. The present invention provides a ventilation unit with a device for varying the temperature of the air.

By using the present invention, precooling and preheating of the outside air can be achieved through the cooling / heating coil of the air conditioner, and congestion can be prevented from occurring in the winter season, and the temperature and humidity are lowered in the summer season, And it is possible to prevent damage to the total heat exchanger and simplify maintenance.

Further, even if the length of the duct is long or the strength of the ventilation means is controlled and stopped, the amount of opening / closing of the damper is controlled by the variable air volume regulator by sensing the pressure difference. It is possible to maintain the air amount constantly at a constant level and also to automatically control the air volume of the air supply rich portion and the air exhaust air volume portion by the constant pressure sensor which detects the change of the static pressure of the duct, So that the noise can be reduced.

1 is a conceptual diagram showing the present invention.
2 is a perspective view showing the ventilation means of the present invention.
3 is a sectional view showing a state where a ventilation means is connected to an indoor space of the present invention.
4 is a perspective view showing the air supply variable air volume regulator of the present invention.
5 is a sectional view showing the air supply variable air amount regulator of the present invention.
Fig. 6 is an enlarged view of a portion A in Fig. 5; Fig.
7 is an enlarged view of a portion B in Fig.

Hereinafter, the structure of the present invention will be described.

As shown in FIGS. 1 to 5, the present invention relates to a ventilation unit having a device for varying an air volume by adjusting a damper installed on a body with a venturi differential pressure without an air supply and exhaust air blower inside, A heating and cooling coil 115 for pre-cooling and preheating the incoming air, and an air supply inverter 117 for controlling the air supply rich section 113 An air conditioner 110; An exhaust air blowing unit 120 controlled by the exhaust inverter 127 to exhaust air of the exhaust duct 121 to the outside; And a plurality of ventilation means 400 installed between the air supply and exhaust ducts 111 and 121 and the indoor space 1. Each ventilation means 400 has an indoor air supply port 411 A case body 410 having an indoor exhaust port 413 formed therein; A total enthalpy heat exchanger 420 installed in the case main body 410 to partition the inside of the case main body 410; The amount of air supplied from the air supply duct 111 to the indoor space 1 can be adjusted by varying the amount of opening and closing of the damper 19 by a pressure difference between the case body 410 and the air supply duct 111, An air supply variable air amount regulator 100 for constantly controlling the air amount; The amount of air exhausted to the exhaust duct 121 from the indoor space 1 is controlled to be constant by adjusting the amount of opening and closing of the damper by a pressure difference between the case body 410 and the exhaust duct 121 An exhaust variable air amount regulator 200 for regulating the air amount; And a control unit 300 which is provided in the case body 410 and controls the air flow rate of the air supply variable air volume controller 100 and the air volume of the exhaust air quantity adjuster 200. Hereinafter,

1, the air conditioner 110 supplies outside air to the air supply duct 111 of the building, as shown in FIG. 1, so that the air is supplied through the air supply diffuser of the indoor space 1 connected to the air supply duct 111, A supply air supply unit 113 for adjusting the amount of air introduced into the air supply duct 111, a cooling / heating coil 115 for pre-cooling and preheating the air introduced from the outside, And an air supply inverter (117) for controlling the air feed rich section (113).

The power supply 113 includes an electric motor 113a and an air supply fan 113b that generates air supply air by driving the electric motor 113a. The electric motor 113a is connected to the air supply inverter 117 So that the air flow rate of the air supply fan 113b can be adjusted.

The cooling / heating coil 115 is configured to pre-cool or preheat the outside air supplied from the outside through water supply and return of the cold / hot water controlled by the valve operation as known in the art, and known ones can be used. .

In addition, the air conditioner 110 may further include an opening / closing damper 119 for limiting the air flowing through the outside air grill 118 installed outside, and the opening / closing damper 119 may include an air- And is configured to prevent the outside air from entering during operation of the machine 110.

2, the exhaust air blowing unit 120 is configured to supply air in each of the indoor spaces 1 through the exhaust duct 121 and exhaust the exhaust air to the outside, as shown in FIG. 1. The electric motors 120a, And an exhaust fan 120b that generates exhaust air by driving the electric motor 120a. The electric motor 120a is controlled to be driven by the control of the exhaust inverter 127 to adjust the air flow rate of the exhaust fan Lt; / RTI >

1 to 5, the air introduced into the air supply duct 111 through the air conditioner 110 is introduced into each room, that is, into each of the indoor spaces 1 Or ventilating the air in the indoor space 1 by exhausting the air in the indoor space 1 through the exhaust duct 121 to the outside through the exhaust air blowing unit 120, A plurality of indoor units 1 are installed so as to be individually ventilated and a separate blower is not required since the air supply unit 113 and the air discharge unit 120 of the air conditioner 110 are used .

To this end, each of the ventilation means 400 includes a case body 410, a total enthalpy heat exchanger 420, an air supply variable air amount regulator 100, an exhaust air amount regulator 200, and a control unit 300 One side of which is connected to the air supply duct 111 and the exhaust duct 121 and the other side of which is connected to an air supply diffuser provided in a ceiling of the indoor space 1 and an exhaust diffuser.

The case body 410 of the ventilation means 400 has a structure for connecting the ventilation means 400 between the air supply and exhaust ducts 111 and 121 and the air supply and exhaust diffusers of the indoor space 1, An indoor air supply connection port 411 connected to the air supply diffuser and an indoor air exhaust connection port 413 connected to the exhaust diffuser are formed on the other side of the air diffuser and a pair of air supply and exhaust air flow controllers Thereby forming an installation hole.

It is preferable that the upper edge of the case main body 410 is formed with a fixing ring to which a bolt is fixed to be fixed to the ceiling and the lower portion of the case main body 410 is opened and closed for easy inspection Is more preferable.

In addition, it is preferable to further include a structure for dispersing air flowing inside the case body 410. The case body 410 may be disposed between the air supply variable air volume controller 100 and the total enthalpy heat exchanger 420, A first perforated plate 430 fixed to the inside of the total enthalpy heat exchanger 420 to disperse air to be delivered to the total enthalpy heat exchanger 420 through the air supply variable air amount regulator 100, The second perforated plate 440 is fixed to the inside of the case body 410 so as to be disposed between the total enthalpy heat exchanger 420 and the second perforated plate 440 through the total enthalpy heat exchanger 420 and distributes the air to be delivered to the variable exhaust air- According to the first and second perforated plates 430 and 440, it is possible to distribute the flowing air evenly, thereby reducing the noise.

The total enthalpy heat exchanger 420 of the ventilation means 400 is installed inside the case main body 410 so that heat can be exchanged between the air introduced into the room and the air discharged out of the room. And is fixed to the inside of the case body 100. The airblock is formed in the case body 100,

As shown in FIG. 2, the total enthalpy heat exchanger 420 can be easily constructed by laminating one-side corrugated cardboard sheets formed by adhering a corrugated cardboard and a cardboard sheet in a staggered manner at an angle of 90 °, ) Are conventionally known ones, that is, those made of ordinary synthetic resin or paper, and therefore, detailed description thereof will be omitted.

1 to 7, the air supply variable air volume regulator 100 of the ventilation means 400 is installed between the case body 410 and the air supply duct 111 and is connected to the damper 19 The first and second pressure take-out parts (first and second pressure take-out parts) 111, 112, and 113 are configured to adjust the amount of air supplied to the indoor space 1 from the air supply duct 111, 20, a second pressure take-out unit 30, and a transfer means 40, which will be described in more detail below.

First, the housing 10 has a venturi portion 15 having a concave shape, which is a flow passage of air as conventionally known, and is connected to the air supply duct 111, And a body 13 which is connected to an installation hole of the case body 410 and forms an outlet 12 through which the air having passed through the ventilation part 15 is discharged. In the present invention, And a damper (19) is provided on the damper (13).

Here, the damper 19 has a structure in which a disk is coupled to a central shaft coupled to the housing 10 so as to be rotatable to open / close an internal flow passage of the housing 10, Is omitted.

The first pressure take-out part 20 is configured to accurately take out the pressure passing through the wide part of the housing 10, that is, the body 11 on the inlet 11, and the inlet 11 of the housing 10 A first pressure hole 21 formed in the side body 13 and a convex portion 24 for forming a first space 23 between the first pressure hole 21 and the housing 10, (25) coupled to the body (13) of the inlet (11) of the housing (10) in which the first body (21) is formed.

The first pressure holes 21 may be formed in four to eight positions so as to uniformly fill the pressure in the first space even when turbulence is generated.

The first outer tube 25 is further provided with a first communication hole 27 for taking out the pressure filled in the first space 23. For this purpose, the first communication hole 27 is formed in the first space 23, (25) so as to communicate with the first outer tube (23).

And the first outer barrel 25 may be coupled to the housing 10 via known conventional joining methods such as riveting or welding and may be treated with silicone for sealing purposes.

The second pressure take-out portion 30 is configured to accurately take out the pressure that passes through the narrow portion of the housing 10, that is, the venturi portion 15. The second pressure take-out portion 30 includes a venturi portion 15 of the housing 10, And a second pressure hole 31 formed in the housing 10 to form a second space 33 between the second pressure hole 31 and the vortex portion 15 of the housing 10, And the second pressure holes 31 are formed at equal intervals of 4 to 8 in the same manner as the first pressure holes 21.

The second outer tube 35 further includes a second communication hole 37 for taking out the pressure filled in the second space 33. For this purpose, the second communication hole 37 is formed in the second space 33, The second outer tube 35 is formed to penetrate through the second outer tube 35 so as to communicate with the first outer tube 33. The second outer tube 35 is connected to the housing (not shown) through a conventional coupling method such as riveting or welding 10) and may be treated with silicone for sealing purposes.

Fourth, the transmitting means 40 is provided with first and second pressure chambers 23 and 33 for supplying the pressures respectively filled in the first and second spaces 23 and 33 of the first and second pressure take-off portions 20 and 30 to the damper actuator 70. [ The damper actuator 70 is connected to the first and second transfer hoses 71 and 72 so as to open and close the damper 19. The damper actuator 70 is connected to the communication holes 27 and 37, 23, and 33, respectively.

The transfer means 40 includes a first transfer means 50 coupled to the first communication hole 27 of the first outer cylinder 25 formed in the first pressure takeout portion 20, And second transmitting means 60 coupled to the second communication hole 37 of the second outer tube 35 constituted by the first and second transmitting means 50 and 60. The first and second transmitting means 50 and 60 have a through hole And a nut screwed into the transmission bolt.

In addition, it is preferable to further comprise an outer envelope 80 for allowing the outer appearance of the present invention to be enhanced so that the user feels a sense of quality. In order to stably engage the envelope envelope 80, It is more preferable that the inner diameter of the outer casing 80 is formed to be a size adjacent to the first outer cylinder 25 of the first pressure take-

The envelope 10 further includes first and second through holes 81 and 82 corresponding to the first and second communication holes 27 and 37 of the housing 10 for installing the transfer means 40 And a hole through which the central axis of the damper 19 is inserted.

The inlet 11 and the outlet 12 of the housing 10 may further include a connection tube 90 which is in close contact with the housing 10 while being coupled to the outer tube 80 The coupling tube 90 further includes first and second coupling rings 91 and 92 for more easily coupling the housing 10 and the casing tube 80 to each other.

That is, the first coupling ring 91 is formed at one side of the coupling tube 90 so as to be closely fitted to the outer diameter of the housing 10, and is disposed outside the first coupling ring 91 And the second coupling ring 92 fitted into and fitted to the outer diameter of the outer tube 80. The outer tube 80 can be easily and firmly mounted to the housing 10 using the coupling tube 90 By setting the position of the first engagement ring 91 so that the inner diameter of the connection cylinder 90 and the inner diameter of the housing 10 coincide with each other, It is desirable to avoid pressure changes.

The second coupling ring 92 of the connection cylinder 90 and the outer cylinder 80 are further connected to each other by a combination of normal riveting or the like so that the outer cylinder 80, It is more preferable to prevent the separation of the separator 90.

The transfer means 40 includes a first transfer means 50 installed in the first communication hole 27 for supplying the pressure filled in the first space 23 to the damper actuator 70 as described above, And second transfer means 60 installed in the second communication hole 37 for supplying the pressure filled in the second space 33 to the damper actuator 70. The first and second transfer means 50 , 60 are described in more detail below.

The first transmission means 50 is configured to supply a pressure through the first space 23 of the first pressure take-off portion 20, that is, the body 10 on the inlet 11 side, A first transfer bolt 55 fitted to the hole 27 and the first through hole 81 and a second transfer bolt 55 screwed to the first transfer bolt 55 to connect the first outer barrel 25 and the outer barrel 80, And a first nut 57 for fastening the first transmission bolt 55 with the first transmission bolt 55.

The first transfer bolt 55 includes a first head 51 positioned in the first space 23 for fastening with the first nut 57 and a second head 51 located in the first head 51 Connected to the first transfer hose 71 connected to the damper actuator 70 by being protruded to the outside of the envelope cylinder 80 through the first communication hole 27 and the first through hole 81 in the state And a thread 53 for coupling the first nut 57 is formed in the first transfer port 53. [

The second transmission means 60 is configured to supply pressure through the second space 33 of the second pressure take-off portion 30, that is, the boss portion 15 of the body 13, A second transmission bolt 65 installed so as to be inserted into the communication hole 37 and the second through hole 82 and a second transmission bolt 65 screwed with the first transmission bolt 65, And a second nut 67 which is fastened to the second nut 35.

The second transmission bolt 65 includes a second head 61 positioned in the second space 33 for fastening for the second nut 67 and a second head 61 formed integrally with the second head 61. [ Connected to the second transfer hose 72 connected to the damper actuator 70 by protruding to the outside of the envelope cylinder 80 through the second communication hole 37 and the second through hole 82 in the state of the second transmission And a thread 63 for coupling the second nut 67 is formed in the second transfer port 63. [

1 to 3, the variable air volume regulator 200 of the ventilation means 400 is installed between the case body 410 and the exhaust duct 121, and the damper 19 The indoor unit 1 is connected to an installation port of the case body 410 to adjust the amount of air exhausted to the exhaust duct 121 by a variable amount, And a housing that is connected to the inlet duct and the exhaust duct 121 to constitute a body having an outlet through which the air having passed through the vent hole is discharged and a damper, a first pressure outlet, a second pressure outlet, And this configuration is the same as that of the upper air supply variable air amount regulator 100 except that the installing direction thereof is opposite to that of the upper air supply air amount regulator 100, and thus a detailed description thereof will be omitted.

1 to 3, the control unit 300 of the ventilation means 400 includes the case main body 410 and controls the air flow rate of the air supply variable air volume controller 100 and the exhaust air volume controller 200 It is preferable that the air flow rate control is structured such that the air flow rate can be controlled in three stages of strong, medium, and weak depending on the environment of each indoor space 1, and is also capable of stopping.

Each of the indoor spaces 1 is further provided with a remote control 310 for operating the control unit 300 constituted by the ventilation means 400 so as to control the air supply variable air volume controller 100 and the exhaust variable air volume controller 200 can be changed remotely. At this time, even if the setting of each of the class-changing and air-condition variable air amount regulators 100, 200 is changed, Each of the dampers 19 configured in the adjusters 100 and 200 can be varied in accordance with the pressure difference so that only the set air volume can be passed.

When the settings of the air supply and exhaust air quantity adjusters 100 and 200 are changed using the remote controller 310 as described above, the static pressure is increased due to the air volume excessively supplied to the air supply and exhaust ducts 111 and 121 In the present invention, it is further possible to control the supply and exhaust blowers 113 and 120 by sensing the static pressure in the supply and exhaust ducts 111 and 121, respectively, And has an advantage that unnecessary power consumption can be prevented.

The air blowing process pressure decompressing means may further include an air supply static pressure sensor 130 in the air supply duct 111 and an exhaust static pressure sensor 140 in the air exhaust duct 121, The static pressure sensors 130 and 140 compare the sensed static pressure and the set pressure to detect the output of the feed and discharge units 113 and 120 To be controlled automatically.

Therefore, when the positive pressure sensed by the supply and exhaust static pressure sensors 130 and 140 exceeds the set pressure, the control unit 120 sends a signal to the feed and exhaust inverters 117 and 127 to output the output of the feed and discharge units 113 and 120 And a signal for amplifying the output of the feed and exhaust blowers 113 and 120 is supplied to the feed and exhaust inverters 117 and 120 when the static pressure sensed by the feed and discharge static pressure sensors 130 and 140 is lower than the set pressure. 127 so that the static pressure in the air supply duct 111 and the air exhaust duct 121 can be maintained constant, thereby reducing energy and reducing noise.

The operation according to the preferred configuration of the present invention as described above will be described below.

First, during the winter season, hot water is supplied to the cooling / heating coil 115 constituting the air conditioner 110, and the introduced outdoor air passes through the air supply duct 111 in a preheated state at 10 to 15 캜, Exchanged with warm indoor air exhausted from the total enthalpy heat exchanger 420 of the indoor heat exchanger 420 and then supplied to the indoor space 1.

Therefore, not only the condensation due to the inflow of low temperature air does not occur in winter, but also the maintenance of the total heat exchanger 420 made of paper material is prevented, and the secondary trouble due to the leakage does not occur.

In the summer, cold water is supplied to the cooling / heating coil 115 formed in the air conditioner 110 to pre-cool the incoming air to a temperature of about 25 ° C to 28 ° C, while being dehumidified to a humidity of about 60 to 65% Exchanged with the cool indoor air exhausted from the total enthalpy heat exchanger 420 of the ventilation means 400, and then supplied to the indoor space 1.

Therefore, it is possible to suppress the uncomfortable feeling due to the inflow of hot and humid air in the summer, thereby reducing the operating energy of the air conditioner in summer and keeping the indoor space 1 always in a pleasant state.

In the present invention, since the ventilation means 400 is not provided with a separate ventilation fan for supplying and exhausting air, the volume of the ventilation means 400 can be minimized, and the pressure difference due to the supply and exhaust It is possible to achieve a reduction in leakage amount, thereby increasing the efficiency.

On the other hand, when a plurality of the ventilation means 400 are operated to ventilate the respective indoor spaces 1, the user may operate the remote controller 310 to stop some of the ventilation means 400 , And intensity adjustment.

In this case, due to the decrease in the number of the ventilation means 400 or the reduction in the operating rate, process pressure is generated in the air supply duct 111 or the air discharge duct 121 to increase the air flow rate. When the pressure difference measured through the first and second pressure take-out portions 20 and 30 exceeds the predetermined reference pressure difference, that is, when the air flow rate is excessive, the damper 19 is closed When the pressure difference measured through the first and second pressure take-out portions 20 and 30 is less than a predetermined reference pressure difference, that is, when the air flow rate is excessively small, the damper 19 is opened And the amount of air passing through the variable air volume regulators 100 and 200 is always kept constant by the above operation.

The process pressure formed in the air supply and exhaust ducts 111 and 121 is to increase or decrease the output of the air supply fan 113b configured in the air supply rich portion 113 and the exhaust fan 120b configured in the air discharge portion 120 .

That is, when the positive pressure sensed by the supply and exhaust static pressure sensors 130 and 140 exceeds the set pressure, the ECU 100 sends a signal to the feed and exhaust inverters 117 and 127 to output the output of the feed and discharge units 113 and 120 And a signal for amplifying the output of the feed and exhaust blowers 113 and 120 is supplied to the feed and exhaust inverters 117 and 117 when the static pressure sensed by the feed and discharge static pressure sensors 130 and 140 is lower than the set pressure. , 127), so that the static pressure in the air supply duct (111) and the air exhaust duct (121) can be kept constant.

Accordingly, unnecessary power consumption can be prevented, energy can be saved, and noise can be reduced due to the maintenance of a proper air volume, and the air can be passed through the variable air volume regulators 100 and 200 The air amount to be maintained is kept constant through the opening and closing action of the damper 19.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

1: Indoor space
[0001] The present invention relates to an air conditioner, an air conditioner, an air conditioner, an air supply duct, an air supply rich section, an electric motor, an air supply fan, an air supply fan,
120: exhaust blowing-out portion 120a: electric motor 120b: exhaust fan 121: exhaust duct 127: exhaust inverter
130: Supplying static pressure sensor 140: Exhausting static pressure sensor
400: Ventilation means
410: Case body 411: Indoor air supply connector 413: Indoor air exhaust connector
420: Total heat exchanger 430, 440: First and second perforated plates
100: Supply variable air volume regulator
[0001] The present invention relates to a damper, and more particularly, to a damper having a damper, a damper, and a damper. 1 communication hole 30: second pressure take-off part 31: second pressure hole 33: second space 35: second outer tube 37: second communication hole 40: transfer means 50, 60: first and second transfer means 51, 61: The first and second heads 53 and 63 and the first and second transmission ports 55 and 65 and the first and second transmission bolts 57 and 67 are connected to the first and second nuts 70 and the damper actuator 71. A first and a second through hole 90, a connecting tube 91, 92,
200: Variable air volume regulator
300: control unit 310: remote control

Claims (5)

An air supply coil 113 for pre-cooling and pre-heating the air to be introduced, an air supply inverter 115 for controlling the air supply fan 113, An air conditioner 110 constituting the air conditioner 117;
An exhaust air blowing unit 120 controlled by the exhaust inverter 127 to exhaust air of the exhaust duct 121 to the outside;
And a plurality of ventilation means 400 installed between the air supply and exhaust ducts 111 and 121 and the indoor space 1,
Each ventilation means (400)
A case main body 410 having an indoor air supply connection port 411 and an indoor air supply connection port 413 formed at one side thereof;
A total enthalpy heat exchanger 420 installed in the case main body 410 to partition the inside of the case main body 410;
The amount of air supplied from the air supply duct 111 to the indoor space 1 can be adjusted by varying the amount of opening and closing of the damper 19 by a pressure difference between the case body 410 and the air supply duct 111, An air supply variable air amount regulator 100 for constantly controlling the air amount;
The amount of exhaust air discharged from the indoor space 1 to the exhaust duct 121 is adjusted to a constant value by controlling the amount of opening and closing of the damper by a pressure difference between the case body 410 and the exhaust duct 121, An exhaust variable air amount regulator 200 for controlling the air amount;
And a control unit (300) provided in the case body (410) and controlling the air flow rate of the air supply variable air volume controller (100) and the air exhaust air volume controller (200)
The air supply variable air amount regulator (100)
A body 13 constituting an inlet 11 and an outlet 12 is formed and a vortex portion 15 is formed between the inlet 11 and the outlet 12 and a body 13 A housing 10 on which a damper 19 is installed;
A plurality of first pressure holes 21 formed in the body 11 on the inlet 11 side of the housing 10 and a plurality of convex portions 24 formed so as to form a first space 23 between the housing 10 and the housing 10, A first outer tube 25 having a first pressure hole 21 formed therein and coupled to a body 13 on the inlet 11 side of the housing 10 in which the first pressure hole 21 is formed, A first pressure take-out part (20) constituting a first communication hole (27) formed through the outer cylinder (25);
A second pressure hole 31 formed in the venturi 15 of the housing 10 and a second pressure hole 31 formed to define a second space 33 between the housing 10 and the housing 10, A second outer tube 35 coupled to the vortex portion 15 of the housing 10 and a second communication hole 37 formed through the second outer tube 35 to communicate with the second space 33 A second pressure take-out part 30 constituting the first pressure take-out part 30;
Are connected to the first and second transfer hoses 71 and 72 connected to the damper actuator 70 so that the pressures in the first and second spaces 23 and 33 of the first and second pressure take- And a transmission unit (40) for supplying the air to the ventilation unit. The ventilation unit is equipped with a device for varying the air volume by adjusting a damper installed on the body with a venturi pressure difference without an air supply and exhaust air blower inside.
The air conditioner according to claim 1, wherein a first perforated plate (430) for dispersing air to be supplied to the total enthalpy heat exchanger (420) through the air supply variable air volume controller (100) 420), and a second perforated plate (440) for dispersing the air to be delivered to the variable exhaust air amount regulator (200). The air conditioner according to any one of claims 1 to 4, Ventilation unit with a device to adjust the air volume by adjusting the damper installed.
delete The connector according to claim 1, wherein first and second through holes (81, 82) corresponding to the first and second communication holes (27, 37) are provided on the outer circumference of the housing (10) And a connection barrel 90 is further provided at the mouth and the outlet of the housing 10 so as to be in close contact with the housing 10 while being coupled to the outer barrel 80 Respectively,
The connection sleeve 90 is provided with a first engagement ring 91 which is closely fitted to the outer diameter of the housing 10 and which is located outside the first engagement ring 91 and is in close contact with the outer diameter of the envelope sleeve 80 And a second coupling ring 92 to be fitted,
The transmitting means (40)
Is integrally formed on the first head (51) for connection between the first head (51) located in the first space (23) of the first pressure takeout part (20) and the first transfer hose (71) A first transfer bolt 55 constituting a first transfer port 53 protruding out of the outer casing 80 through one communication hole 27 and the first through hole 81, And a first nut (57) threadedly engaged with the first outer tube (25) and the outer tube (80) by a first transmission bolt (55);
Is integrally formed on the second head (61) for connection between the second head (61) located in the second space (33) of the second pressure takeout part (30) and the second transfer hose (72) A second transfer bolt 65 constituting a second transfer port 63 protruding out of the outer casing 80 through the second communication hole 37 and the second through hole 82, And a second nut (67) threadedly engaged with the first outer bolt (63) to fasten the second transfer bolt (65) to the second outer cylinder (35). A ventilation unit with a device that adjusts the air volume by adjusting the damper installed on the body by a differential pressure of the vancuri without the blower.
The air conditioner according to claim 1, wherein the indoor space (1) further comprises a remote control (310) for operating the controller (300) and is configured to pass through the air supply variable air volume controller (100) Allowing the amount of air to be changed remotely,
The air supply duct 111 and the exhaust duct 121 further include an air supply static pressure sensor 130 and an exhaust static pressure sensor 140 for measuring static pressure,
When the static pressure sensed by the supply and exhaust static pressure sensors 130 and 140 exceeds the set pressure, the signal is sent to the feed and exhaust inverters 117 and 127 to lower the output of the feed and discharge units 113 and 120 In addition,
When the static pressure sensed by the supply and exhaust static pressure sensors 130 and 140 is lower than the set pressure, a signal for amplifying the output of the feed and exhaust blowers 113 and 120 is transmitted to the feed and exhaust inverters 117 and 127 And a static pressure in the air supply duct (111) and the air supply duct (121) can be constantly maintained. A device for varying the air volume by adjusting a damper installed on the body with a bantry differential pressure without an air supply and exhaust blower Attached ventilation unit.

Images