KR101628317B1 - Heat recovery ventilators - Google Patents

Heat recovery ventilators Download PDF

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Publication number
KR101628317B1
KR101628317B1 KR1020150164281A KR20150164281A KR101628317B1 KR 101628317 B1 KR101628317 B1 KR 101628317B1 KR 1020150164281 A KR1020150164281 A KR 1020150164281A KR 20150164281 A KR20150164281 A KR 20150164281A KR 101628317 B1 KR101628317 B1 KR 101628317B1
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KR
South Korea
Prior art keywords
air
exhaust
air supply
chamber
heat exchange
Prior art date
Application number
KR1020150164281A
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Korean (ko)
Inventor
이윤미
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이윤미
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Priority to KR1020150164281A priority Critical patent/KR101628317B1/en
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Publication of KR101628317B1 publication Critical patent/KR101628317B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater

Abstract

The present invention relates to a heat recovery ventilator and, more specifically, relates to a heat recovery ventilator which improves use durability of a heat exchange element and improves heat exchange efficiency. As stated above, according to the present invention, the heat recovery ventilator comprises: a casing wherein an air supply port and a ventilation port are formed in one end, and an outdoor air port and an exhaust port are formed in the other end; a heat exchange element; an exhaust section; an air supply section composed of an outdoor air chamber and an air supply chamber; an exhaust bypass unit formed between the ventilation port and the an exhaust port; an air supply bypass unit formed between the air supply port and the outdoor air port; and an opening and closing means installed in a ventilation chamber and the outdoor air chamber; and an air blowing fan.

Description

[0001] Heat recovery ventilators [0002]

The present invention relates to a heat recovery type ventilator in which the arrangement of heat exchange elements is improved and the supply and exhaust bypasses are configured to be performed in both directions to improve the service life of the heat exchange element and the heat exchange efficiency.

Generally, the heat recovery type ventilator is a device for ventilating indoor air while minimizing heat loss by exchanging heat between room air exhausted to the outside and outdoor air supplied to the room.

The heat recovery type ventilator is divided into an air supply unit and an exhaust unit, a heat exchange element is installed at the center where the air supply unit and the exhaust unit intersect, and a blowing fan installed on the air supply unit and the exhaust unit, .

When the outdoor air is circulated for the purpose of saving cooling and heating energy during the winter season or the summer season, it is preferable that the ventilation of the room and the outside outdoor air flow through the heat exchanger to recover the energy through the heat exchanger. However, in the case of a summer or a summer in summer, it may not be necessary to exchange heat between the ventilation and the outside air through such a heat exchanger.

Therefore, when heat exchange is not required, a bypass function is required so that the ventilation and the outside air pass through the heat exchange element assembly without passing through the heat exchange element.

In order to solve the above problems, in Korean Patent Laid-Open Publication No. 10-2008-0001312, a bypass device is provided to prevent air in the main body from passing through a heat exchange element, A waste heat recovery ventilator having a bypass device configured to be attached to the waste heat recovery ventilator.

However, in the waste heat recovery ventilator having such a configuration, there is a problem that disadvantages arise due to the attachment / detachment of the bolt hole formed in the main body due to the installation of the bypass device on the outer side, and the waste heat recovery ventilator There is a restriction on the size of the horizontal and vertical parts due to the installation space problem. Therefore, when a separate structure for the bypass function is detachably attached to the outer side, there is a problem that the installation space needs to be further secured. And the life of the heat exchanging element is shortened due to the contact of air with the heat exchanging element even in the bypass function.

KR (A) 10-2008-0001312 (2008.03.03)

Accordingly, it is an object of the present invention to develop a new technology for solving the above-mentioned problems of the prior art, and it is an object of the present invention to improve the service life of the heat exchanging element by constituting the supply and exhaust bypass functions in both directions without passing through the heat exchanging element, A heat recovery type ventilation device having a heat exchange efficiency improved by forming a heat exchange element having a small installation space and a limited space and having a different length of supply and exhaust flow paths, The purpose is to provide.

In order to solve the above-mentioned problems, according to the present invention, there is provided an air conditioner comprising: a supply mechanism for supplying outdoor air to one end and a vent for sucking indoor air; an outer mechanism for sucking outdoor air at the other end; A casing having an exhaust port formed therein; A heat exchange element provided at the center of the casing for exchanging heat between the air supply air and the exhaust air; A ventilation chamber in which the first and second central partition plates are installed between the casing and the heat exchange element and the room air is moved from the ventilation port to the ventilation air introduction portion of the heat exchange device, and the indoor air passing through the heat exchange device from the ventilation air discharge portion to the ventilation port And an air supply chamber through which the outdoor air passing through the heat exchanging element from the air supply air discharge unit to the air supply unit is moved is formed into an air discharge chamber formed by the air discharge chamber and the air supply chamber from the external mechanism to the air supply air supply unit of the heat exchange element Supply section; An exhaust bypass unit formed between the ventilation port and the exhaust port for bypassing the exhaust air; an air supply bypass unit formed for bypassing the air supply air between the air supply unit and the external device; Opening and closing means installed in the ventilation chamber and the outside air chamber to shut off the air flow in the apparatus or convert the air into the heat exchange mode and the bypass mode; And a blowing fan for forcibly sucking or discharging the air supply air and the exhaust air to the air supply mechanism and the air exhaust port.

According to the heat recovery type ventilator of the present invention,

The arrangement of the heat exchange elements inside the casing is arranged so that the slope of the casing and the slope of the heat exchange element are balanced so that a structure in which air supply air bypass and exhaust air bypass are performed in both directions is possible, There is no space restriction, installation is simple, maintenance is easy, and service life of the heat exchanging element is improved.

In addition, the heat exchanging efficiency is excellent because the air supply flow path is long and the exhaust flow path is short rectangular heat exchange element.

Further, since the opening and closing means for opening and closing the ventilating opening and the outside mechanism, the ventilation chamber, the outside air chamber, and the bypass portion are constituted to easily change the heat exchange mode and the bypass mode, a separate damper device is unnecessary.

1 is a perspective view showing a heat recovery type ventilator of the present invention.
2 is a plan view showing a heat recovery type ventilator according to the present invention.
3 is a perspective view showing a heat exchange element constituted in the heat recovery type ventilator of the present invention.
4 is a perspective view showing a perforated plate formed in the heat recovery type ventilator of the present invention.
5 is a plan view showing a heat exchange mode operation of the heat recovery type ventilator of the present invention.
6 is a plan view showing a bypass mode operation of the heat recovery type ventilator of the present invention.
7 is a plan view showing a stop mode operation of the heat recovery type ventilator of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to the accompanying drawings. However, these drawings are only for illustrating the contents and scope of the technical idea of the present invention, and the technical scope of the present invention is not limited or changed. It will be apparent to those of ordinary skill in the art that various changes and modifications can be made within the scope of the technical idea of the present invention based on these examples.

In addition, terms and words used in the present specification are terms selected in consideration of functions in the embodiments, and the meaning of the terms may be changed according to the intention or custom of the invention. Therefore, the terms used in the following embodiments are defined according to their definitions when they are specifically defined in this specification, and unless otherwise defined, they should be construed in a sense generally recognized by ordinary artisans.

FIG. 1 is a perspective view showing a heat recovery type ventilator according to the present invention, and FIG. 2 is a plan view showing a heat recovery type ventilator according to the present invention.

The heat recovery type ventilator according to the present invention is configured such that a bypass function is integrally formed in the casing to require no separate external device for the bypass function and both the air supply and exhaust bypass functions are performed in both directions, And the heat exchange efficiency is improved by constructing the heat exchange element so that the air supply air and the exhaust air pass through different lengths. In addition, the heat exchange efficiency is improved by improving the arrangement of the heat exchange elements inside the casing, .

In this heat recovery type ventilator 100 of the present invention, an air supply mechanism 1 for supplying outdoor air to one end and a ventilation opening 2 for sucking indoor air are formed, and an outer mechanism 3 for sucking outdoor air at the other end is provided. And a ventilation port (4) for exhausting room air. The casing (10)

A heat exchange element (20) for heat exchange between air supply air and exhaust air is formed in the center of the casing (10)

An exhaust section 30 is provided between the ventilation opening 2 and the ventilation opening 4 so as to allow the exhaust air to pass in front of the heat exchange element 20 and an air supply opening 3, an air supply section 40 is defined,

An exhaust bypass unit 50 for bypassing exhaust air is provided between the ventilation port 2 and the exhaust port 4 and an exhaust gas bypass unit 50 for bypassing the air supply air for bypassing the air supply air between the air supply mechanism 1 and the external mechanism 3. [ A pass section 60 is defined,

Opening and closing means 70 for controlling the flow of the exhaust air and the supply air are provided in the ventilation portion 2 of the exhaust section 30 and the outer mechanism 3 of the air supply section 40,

The air supply mechanism (1) and the air outlet (4) include a blowing fan (80) for forcibly sucking or discharging air supply air and exhaust air.

The heat exchange element 20 is installed such that the slope of the casing 10 and the slope of the heat exchange element 20 are balanced with each other at the center of the casing 10 so that the air supply and exhaust bypass functions in both directions.

3, the structure of the heat exchange element 20 is formed in a rectangular shape such that the air supply flow passage 21 has a relatively longer flow path than the air discharge flow path 22, The flow rate of the air supply air is slowed and the flow rate of the exhaust air is increased, so that the heat exchange efficiency is improved.

The exhaust section 30 and the air supply section 40 are constructed such that the exhaust section 30 through which the exhaust air flows and the air supply section 40 through which the air supply air pass are arranged to cross the heat exchange element 20, First and second central partition plates 11 and 11 'are provided between both sides of the exhaust air inlet 23 of the casing 10 and the inside of the casing 10,

The exhaust section 30 includes a ventilation chamber 31 through which the room air is moved from the ventilation opening 2 to the ventilation air inlet portion 23 of the heat exchange element 20 and a ventilation chamber 31 extending from the ventilation air outlet portion 24 to the ventilation opening 4 And an exhaust chamber (32) through which the indoor air passed through the heat exchange element (20)

The air supply section 40 includes an outside air chamber 41 through which outdoor air moves from the external mechanism 3 to the air supply air inlet portion 25 of the heat exchange element 20, And an air supply chamber 42 through which the outdoor air passed through the heat exchange element 20 is moved.

The ventilation chamber 31 is formed between the first central partition plate 11 and the inner wall of the front portion of the casing 10 such that the front partition plate 12 is partitioned from the second central partition plate 11 ' The space between the front partition plate 12 and the front inner wall of the casing 10 becomes a space between the exhaust air inlet 23 and the front partition plate 12 of the casing 20 and becomes the exhaust bypass unit 50 .

The exhaust chamber 32 is communicated with an upper end of the exhaust air discharge portion 24 so as to communicate with the exhaust port 4 via the lower side of the air supply portion 40 in the exhaust air discharge portion 24 of the heat exchange element 20, A partition flat plate 13 is formed between the inner side wall of the rear part of the outer frame 10 and a partition swash plate 13 which is inclined downward and is divided into upper and lower parts inside the outer mechanism 3, A through hole 16 is formed in the second central partition plate 11 'of the exhaust port 4 so as to be communicated with the exhaust chamber 32. The through holes 16 and 15' .

That is, the exhaust chamber 32 is formed so that exhaust air passes through the lower side of the air supply section 40 during heat exchange by vertically partitioning a part of the air supply section 40.

The outer chamber 41 is provided with a rear partition plate 17 between the second central partition plate 11 'and the inner wall of the rear portion of the casing 10 on the upper side of the inner side partition plate 14 of the outer mechanism 3 The space between the rear partition plate 17 and the second central partition plate 11 'is formed at a predetermined interval in the direction of the outer mechanism 3 from the blocking plate 15' And an air supply bypass portion 60 is provided between the rear inner walls.

The air supply chamber 42 is a space between the air supply air discharge portion 26 of the heat exchange element 20 and the air supply mechanism 1.

The exhaust section 30 and the air supply section 40 may be arranged such that the arrangement of the heat exchange elements 20 is arranged to be balanced with the slope of the casing 10, The ventilation chamber 31 and the exhaust chamber 32 are formed so as to intersect with the air supply section 40. The ventilation chamber 31 and the air supply chamber 42 are connected to each other by a straight line, The exhaust air 32 is formed on the lower side of the chamber 41, so that smooth heat exchange can be performed and the heat exchange efficiency can be increased.

The opening and closing means 70 is for controlling the flow of the air supply air and the exhaust air from the inside of the ventilation opening 2 and the external mechanism 3 and includes a semicircular guide plate 71, As shown in FIG.

A semicircular guide plate 71 is integrally formed on the inside of the air supply mechanism 1 and the air exhaust port 4. The air supply port 2 or the external mechanism 3, Shaped opening and closing port 72 for opening and closing the ventilation chamber 31 or the outside air chamber 41 and the exhaust bypass unit 50 or the air supply bypass unit 60 are provided.

The opening and closing port 72 is provided at the rear end portion of the front partition plate 12 and the front end portion of the rear partition plate 17 so that the corner portion is rotated by the pivot pin 72a.

The opening and closing port 72 may be configured to be rotatable by a driving motor (not shown).

The opening / closing means 70 blocks the air flow according to the position of the opening / closing port 72, and controls the heat exchange mode and the bypass mode.

That is, when the apparatus is not in use, the opening / closing port 72 closes the ventilation port 2 and the external mechanism 3 to shut off the air flow. When the heat exchange function of the exhaust air and the supply air is used, It is possible to use the heat exchange mode as the ventilation chamber 31 and the outside air chamber 41 are opened as the pass portion 50 and the air supply bypass portion 60 are closed, The exhaust air bypass unit 50 and the air supply bypass unit 60 are opened so that the air supply air and the exhaust air can be bypassed.

Meanwhile, the ventilation chamber 31 may further include a perforated plate 90 to uniformly distribute the exhaust air to the heat exchange element and uniformly distribute the temperature during heat exchange with the air supply air.

4, a plurality of through holes 92 are formed in a vertical plate 93 in a plate-shaped vertical plate 91, and a plurality of through holes 92 are formed in the through holes 92 of the vertical column 93. [ (92) is formed so that its diameter increases from one side to the other, and is installed so as to be inclined in the ventilation chamber (31).

Hereinafter, the operation of the heat recovery type ventilator of the present invention will be described.

The heat recovery type ventilator (100) of the present invention can be used in three modes depending on the open / close position of the opening / closing means (70).

In the heat exchange mode, as shown in FIG. 5, the opening / closing port 72 is closed to close the exhaust bypass unit 50 and the air supply bypass unit 60.

The contaminated indoor air is exhausted to the outside through the ventilation chamber 31, the exhaust passage 22 of the heat exchanging element 20 and the exhaust chamber 32. Fresh fresh air flows into the outside air chamber 41 Is supplied to the room through the air supply passage (21) of the heat exchange element (20) and the air supply chamber (42).

At this time, the flow rate of the air supply air is slowed through the heat exchanging element 20 having a long air supply flow path 21 and the exhaust gas flow path 22 having a short structure. On the other hand, as the flow rate of the exhaust air is increased, rapid heat exchange action occurs, Is excellent.

The traveling direction of the air supply air is such that the outdoor air sucked through the external mechanism 3 flows linearly through the air supply chamber 1 through the air supply chamber 41, the heat exchange element 20, the air supply chamber 32, As a result,

The traveling direction of the exhaust air is such that the indoor air sucked through the ventilation opening 2 is discharged through the ventilation opening 4 through the ventilation chamber 31, the heat exchange element 20 and the ventilation chamber 32,

The exhaust chamber 32 is formed on the lower side of the outer chamber 41 divided by the horizontal plate 14 of the air supply section 40 and is discharged through a closed path.

In the bypass mode, the direction of the opening / closing port 72 closes the ventilation chamber 31 and the outside air chamber 41 as shown in FIG.

The contaminated indoor air is sucked through the ventilation port 2 and is discharged through the exhaust piping section 60 formed between the front partition plate 12 and the front inner wall of the casing 10 without passing through the heat exchange element 20, Bypassed outdoors,

The fresh outside air is sucked through the external mechanism 3 and is supplied to the room 10 without passing through the heat exchange element 20 through the supply bypass unit 60 formed between the rear partition plate 17 and the rear inner wall of the casing 10 Bypass.

In the stop mode in which the apparatus is not used, as shown in FIG. 7, the opening / closing port 72 closes the ventilation hole and the external mechanism 3 to block the air flow.

Meanwhile, the heat recovery type ventilator of the present invention can be modified to automatically control the bypass function by constituting temperature and environment sensors.

That is, in case of automatic control, when the temperature sensor detects, there is no difference between indoor and outdoor temperature, the bidirectional bypass function is automatically operated,

When the indoor temperature is high, the rotation speed of the blowing fan of the air supply mechanism is increased to allow outdoor air to flow into the room,

If the pollution degree of the indoor air is high by the environmental sensor, the rotation speed of the blowing fan of the exhaust port may be increased so that the room air can be discharged to the outside.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It should be understood that the scope of the claims is not limited to the examples but covers the scope of the claims and the scope of equivalents thereof.

100: Heat recovery type ventilation device
1: feed mechanism 2: ventilation hole 3: external mechanism 4: exhaust port
10: casing 11, 11 ': first and second central partition plates 12: front partition plate 13:
14: compartment water level plate 15, 15 ': blocking plate 16: through hole 17: rear partition plate
20: heat exchange element 21: air supply flow path 22: exhaust flow path 23: exhaust air introduction part
24: Exhaust air outlet part 25: Air supply air inlet part 26: Air supply air outlet part
30: exhaust section 31: ventilation chamber 32: exhaust chamber
40: an air supply section 41: an outside air chamber 42: an air supply chamber
50: exhaust bypass unit
60: Supply air bypass section
70: opening / closing means 71: guide palm 72:
80: blowing fan
90: Perforated plate 91: Vertical plate 92: Through hole 93: Vertical column

Claims (6)

(1) for supplying outdoor air to one end and a ventilation hole (2) for sucking indoor air, an outer mechanism (3) for sucking outdoor air at the other end and an exhaust port (4) for exhausting indoor air are formed A casing (10); A heat exchange element 20 installed in the center of the casing 10 for exchanging heat between the air supply air and the exhaust air; The first and second central partition plates 11 and 11 'are provided between the casing 10 and the heat exchange element 20 and the room air is supplied from the ventilation port 2 to the exhaust air inlet portion 23 of the heat exchange element 20 An exhaust section 30 formed by an exhaust chamber 32 through which the room air through the heat exchange element 20 is moved from the exhaust air discharge section 24 to the exhaust port 4; An outside air chamber 41 through which the outdoor air moves from the mechanism 3 to the air supply air inlet portion 25 of the heat exchange element 20 and a heat exchange element 20 from the air supply air discharge portion 26 to the air supply mechanism 1. [ An air supply section 40 formed by an air supply chamber 42 through which the outdoor air passing through the air supply passage is moved; An exhaust bypass unit 50 formed between the ventilation port 2 and the ventilation port 4 for bypassing exhaust air and an exhaust bypass unit 50 formed for bypassing the air supply air between the air supply mechanism 1 and the external mechanism 3 An air supply bypass unit 60; Opening and closing means 70 installed in the ventilation chamber 31 and the outside air chamber 41 for blocking the air flow in the apparatus or converting the air into the heat exchange mode and the bypass mode; And a blowing fan (80) for forcedly sucking or discharging the air supply air and the exhaust air to the air supply mechanism (1) and the air exhaust port (4)
The ventilation chamber 31 is formed between the first central partition plate 11 and the inner wall of the front portion of the casing 10 such that the front partition plate 12 is partitioned from the second central partition plate 11 ' The space between the exhaust air inlet 23 and the front partition plate 12 of the indoor unit 20,
The exhaust chamber 32 is connected to the upper end of the exhaust air discharge portion 24 in the casing (not shown) so as to communicate with the exhaust port 4 via the lower side of the air supply portion 40 in the exhaust air discharge portion 24 of the heat exchange element 20 A partition flat plate (13) is formed between the inner side walls of the rear part of the compartment (10), and a partition flat plate (14) is formed on the inner side of the outer mechanism (3) A through hole 16 is formed in the second central partition plate 11 'of the vent hole 4 so as to communicate with the vent chamber 32,
The outer chamber 41 is provided with a rear partition plate 17 between the second central partition plate 11 'and the inner wall of the rear portion of the casing 10 on the upper side of the inner side partition plate 14 of the outer mechanism 3, Is spaced apart from the plate 15 'in the direction of the outer mechanism 3 to form a space between the rear partition plate 17 and the second central partition plate 11'
Wherein the air supply chamber (42) is a space between the air supply air discharge part (26) of the heat exchange element (20) and the air supply mechanism (1).
The method according to claim 1,
The opening and closing means 70 is constituted by a semicircular guide plate 71 and an opening and closing port 72 which rotates along the radius of the guide plate 71,
A semicircular guide plate 71 is integrally formed on the inside of the air supply mechanism 1 and the air exhaust port 4. The air supply port 2 or the external mechanism 3 and the ventilation chamber Shaped opening and closing port 72 for opening and closing the outside air chamber 31 or the outside air chamber 41, the exhaust bypass unit 50 or the air supply bypass unit 60 is provided between the rear end of the front partition plate 12 and the rear partition plate 12. [ And the corner portion is configured to be rotated by the pivot pin (72a) at the tip end portion of the heat sink (17). delete delete delete delete
KR1020150164281A 2015-11-23 2015-11-23 Heat recovery ventilators KR101628317B1 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190091851A (en) * 2018-01-29 2019-08-07 이윤미 Duct type multifunction air cleaner and operation method thereof
CN110608500A (en) * 2019-10-18 2019-12-24 珠海格力电器股份有限公司 Adjustable fresh air machine and control method thereof
KR102093936B1 (en) * 2018-10-02 2020-03-26 코오롱글로벌 주식회사 Wall-installable heat recovery type ventilation device
KR102195857B1 (en) * 2020-06-03 2020-12-28 은성화학(주) Heat recovery ventilation system with internal circulation air cleaning mode and control room thereof
CN112233380A (en) * 2020-10-10 2021-01-15 四川轻化工大学 Portable torrential flood debris flow disaster emergency monitoring and early warning equipment instrument
KR102209816B1 (en) * 2020-07-13 2021-01-29 은성화학(주) Heat recovery ventilation system that can easily change the suction and discharge direction of the inside and outside air
KR20230094705A (en) * 2021-12-21 2023-06-28 주식회사 조은바람 Direct heat recovery ventilation system

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH07253239A (en) * 1994-03-17 1995-10-03 Hitachi Ltd Ventilating duct arrangement
JP3661394B2 (en) * 1998-03-03 2005-06-15 三菱電機株式会社 Heat exchange ventilator
KR20080001312A (en) 2006-06-29 2008-01-03 주식회사 대우일렉트로닉스 Energy recovery ventilation having bypass device
JP2012189265A (en) * 2011-03-10 2012-10-04 Mitsubishi Electric Corp Heat exchange ventilation device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07253239A (en) * 1994-03-17 1995-10-03 Hitachi Ltd Ventilating duct arrangement
JP3661394B2 (en) * 1998-03-03 2005-06-15 三菱電機株式会社 Heat exchange ventilator
KR20080001312A (en) 2006-06-29 2008-01-03 주식회사 대우일렉트로닉스 Energy recovery ventilation having bypass device
JP2012189265A (en) * 2011-03-10 2012-10-04 Mitsubishi Electric Corp Heat exchange ventilation device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190091851A (en) * 2018-01-29 2019-08-07 이윤미 Duct type multifunction air cleaner and operation method thereof
KR102052638B1 (en) * 2018-01-29 2019-12-05 이윤미 Duct type multifunction air cleaner and operation method thereof
KR102093936B1 (en) * 2018-10-02 2020-03-26 코오롱글로벌 주식회사 Wall-installable heat recovery type ventilation device
CN110608500A (en) * 2019-10-18 2019-12-24 珠海格力电器股份有限公司 Adjustable fresh air machine and control method thereof
CN110608500B (en) * 2019-10-18 2023-08-29 珠海格力电器股份有限公司 Adjustable fresh air machine and control method thereof
KR102195857B1 (en) * 2020-06-03 2020-12-28 은성화학(주) Heat recovery ventilation system with internal circulation air cleaning mode and control room thereof
KR102209816B1 (en) * 2020-07-13 2021-01-29 은성화학(주) Heat recovery ventilation system that can easily change the suction and discharge direction of the inside and outside air
CN112233380A (en) * 2020-10-10 2021-01-15 四川轻化工大学 Portable torrential flood debris flow disaster emergency monitoring and early warning equipment instrument
CN112233380B (en) * 2020-10-10 2022-01-28 四川轻化工大学 Portable torrential flood debris flow disaster emergency monitoring and early warning equipment instrument
KR20230094705A (en) * 2021-12-21 2023-06-28 주식회사 조은바람 Direct heat recovery ventilation system
KR102624568B1 (en) 2021-12-21 2024-01-15 주식회사 조은바람 Direct heat recovery ventilation system

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