WO2005080882A1 - 熱交換形換気装置 - Google Patents
熱交換形換気装置 Download PDFInfo
- Publication number
- WO2005080882A1 WO2005080882A1 PCT/JP2005/003070 JP2005003070W WO2005080882A1 WO 2005080882 A1 WO2005080882 A1 WO 2005080882A1 JP 2005003070 W JP2005003070 W JP 2005003070W WO 2005080882 A1 WO2005080882 A1 WO 2005080882A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- exhaust
- air supply
- heat exchange
- supply
- Prior art date
Links
Classifications
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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
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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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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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
- F24F2007/001—Ventilation with exhausting air ducts
- F24F2007/002—Junction box, e.g. for ducts from kitchen, toilet or bathroom
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Definitions
- the present invention relates to a heat exchange type ventilator used in an environment in which a heat exchanger for exhaust heat recovery is mounted and a low-temperature outside air is taken in.
- this type of heat exchange type ventilator is opposed, that is, isolated when heat is exchanged with a heat exchanger in winter, for example, when outdoor air is cooled to below 10 degrees below freezing.
- Moisture contained in the exhaust air that is recovered while passing through the air passage freezes in the exhaust ventilation of the heat exchanger and causes clogging. It has been confirmed that the clogging significantly reduces the exhaust air volume.
- due to the decrease in the exhaust air volume it becomes impossible to supply sufficient thermal energy to the supplied outdoor air, and the supplied outdoor air cannot be sufficiently raised to near the indoor temperature. Therefore, it is known that the occupants are prevented from feeling the discharged air supply as cold.
- Such a method is disclosed in, for example, Japanese Utility Model Laid-Open Publication No. 2-110365.
- the box-shaped outer casing 101 has an indoor intake port 103 and an indoor discharge port 104 communicating with the interior 102 at the front, and an exterior 105 at the rear. And an outdoor discharge port 107 communicating with the outside.
- the indoor suction port 103 and the outdoor discharge port 107 are connected, and the exhaust vanes 108 are connected to both shafts.
- An exhaust ventilation passage A—A which was provided with a motor 109 fixed to one side, was connected to the outdoor suction port 106 and the indoor discharge port 104, and was fixed to the other shaft of the motor 109.
- An air supply passage 8 ⁇ 8 ′ in which the air supply blades 110 are arranged is formed.
- Exhaust air passages ⁇ ⁇ ⁇ ′ and air supply air passages 8 ⁇ 8 ′ are partially intersected by a partition plate 11 1, and the other portions are separated from each other.
- the heat exchanger 1 1 2 is located at the intersection.
- the damper 113 which has an operating point near 0 ° C, is provided with a shaft 114 and a hinge 115, and rotates around the shaft 114 and the hinge 115.
- the structure is such that the air supply and ventilation passages of the heat exchangers 1 1 and 2 are opened or partially closed. Disclosure of the invention
- a box-shaped main body having an exhaust port for inhaling the fresh air and an air supply port for taking in fresh outdoor air into the room is provided inside the main body.
- An electric motor for driving an exhaust fan and an air supply fan; a heat exchanger for recovering exhaust heat between indoor air sucked from an exhaust port and fresh outdoor air taken from outside;
- a blocking damper for blocking the flow of air in the air supply path from the air supply connection to the air supply port
- Supply air temperature detection means for detecting the temperature of the taken-in outside air
- the shut-off damper is activated based on the signal from the supply air temperature detection means to cut off the supply air flow and reduce the exhaust air volume due to the exhaust fan.
- FIG. 1 is a house installation diagram showing an installation state of a heat exchange ventilator according to one embodiment of the present invention.
- FIG. 2 is a front view showing the configuration of the heat exchange ventilator according to one embodiment of the present invention.
- FIG. 3 is a front view of the heat exchange type ventilator according to one embodiment of the present invention when the shut-off damper operates.
- FIG. 4 is a front view of the heat exchange ventilator according to one embodiment of the present invention when the on-off valve is opened.
- FIG. 5 is a front view showing the configuration of the heat exchange ventilator according to one embodiment of the present invention.
- FIG. 6 is a front view showing the configuration of the heat exchange ventilator according to one embodiment of the present invention.
- FIG. 7 is a front view showing the configuration of the heat exchange ventilator according to one embodiment of the present invention.
- FIG. 8 is a front view showing a conventional heat exchange type ventilator. BEST MODE FOR CARRYING OUT THE INVENTION
- An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a heat exchange ventilator capable of preventing clogging due to icing of a heat exchanger or reducing a feeling of cold draft.
- the heat exchange type ventilator of the present invention communicates with the outdoor 1 through the exhaust duct 2 and the supply duct 3 to form the exhaust flow and the supply flow path.
- An exhaust connection part 4 and an air supply connection part 5 connected to the side surface are provided.
- this heat exchange type ventilator has an exhaust port 10 for sucking the contaminated air 9 in the room 8 into the bottom opening 7 and an air supply port 11 for taking in fresh outside air from the outside 1 into the room 8 1
- a box-shaped main body 6 having Inside the main body 6, there are an electric motor 14 that drives both the exhaust fan 12 and the air supply fan 13; indoor air sucked from the exhaust port 10 and fresh air taken in from the outdoor 1
- a heat exchanger 19 provided to recover exhaust heat between the air supply and the air supply path 18 from the air supply connection 5 to the air supply port 11 shuts off the flow of air supply 1 mm
- a damper 20 and supply air temperature detecting means 21 for detecting the temperature of the taken-in outside air are provided.
- the cut-off damper 20 operates based on the signal from the supply air temperature detecting means 21 to cut off the flow of the supply air 17. At the same time, based on a signal from the supply air temperature detecting means 2 1, the exhaust fan 1 2 The exhaust air volume is reduced.
- This heat exchange type ventilator has a box-shaped main body 6 having an exhaust connection 4 and an air supply connection 5 connected to an exhaust duct 2 and an air supply duct 3 communicating with the outdoor 1 on the side. And an exhaust port 10 that communicates with the room 8 through the lower opening 7 of the main body 6 and discharges the contaminated air 9 in the room 8, and a supply port that takes in fresh outdoor air from the outdoor 1 and discharges it to the room 8. It has a mouth 1 1.
- the main body 6 includes a motor 14 inside which an exhaust fan 12 and an air supply fan 13 are connected and driven to rotate to change the air volume to a large or small setting.
- the contaminated air 9 sucked from the exhaust port 10 supplies heat to the air supply 17 side without directly discarding the thermal energy contained in the exhaust 15 in the exhaust path 16 and the air supply path 18. And a heat exchanger 19 for recovery.
- the exhaust path 16 is a path where the flow of the exhaust 15 sucked by the exhaust fan 12 and passing through the exhaust connection section 4 and the exhaust duct 2 and discharged to the outdoor 1 is formed.
- the air supply path 18 is a path of the air supply 17 which is blown from the air supply duct 3 through the air supply connection part 5 by the air supply fan 13 and discharged from the air supply port 11. is there.
- a heating means 25 capable of heating the air supply 17 before flowing into the heat exchanger 19 is provided near the inside of the air supply connection portion 5 of the air supply path 18.
- a shut-off damper 20 that shuts off the flow of the air supply 17 downstream of the flow of the air supply 1 mm, and preferably opens and closes a plate-shaped valve, is disposed upstream of the air flow of the heat exchanger 19.
- an air supply temperature detecting means 21 for measuring and detecting the temperature of the air supply 17 in the air supply path 18, preferably such as a bimetal thermometer, is provided. When the inflowing air temperature falls below a predetermined temperature value, the air supply temperature detecting means 21 issues a signal to open and close the cut-off damper 20.
- a timer 22 is provided that allows the resident or the facility builder to set the closing time of the shut-off damper 20 by receiving the signal from the supply air temperature detecting means 21 and closing it. Is provided.
- the wall 23 that separates the exhaust passage 16 and the air supply passage 18 of the main body 6 has an opening.
- the opening allows the exhaust path 16 and the air supply path 18 to communicate with each other, and an opening / closing valve 24 that covers the opening is also provided.
- a rotation speed detecting means 26 having a transmitting unit for generating a pulse wave having a variable stationary period and a receiving unit 31 for receiving the pulse wave.
- the number of revolutions of the motor 14 is controlled by changing the input frequency of the motor 14 in order to change the increase or decrease of the number of revolutions of the exhaust fan 12 by comparing the signal from the number of revolutions detection means 26 with a predetermined set value.
- Means 27 are provided.
- the supply air temperature detection means 21 detects the supply air temperature beforehand, and for example, in the case where the predetermined temperature set value is 3 ° C below freezing, if the incoming supply air temperature falls below 3 ° C below freezing In the case of bimetals, etc., the contact points come into contact and current flows through the contacts. As a signal, a current flows through the cut-off damper 20, and the cut-off damper 20 is driven to fully close and completely stop the flow of the air supply 17. In this way, icing of the heat exchanger 19 can be prevented. Also, when the shutoff damper 20 is driven and the air supply 17 is cut off, the air supply fan 13 in the air supply path 18 when the air supply 17 is shut off approaches the no-load state. The rotation speed increases.
- the rotation speed of the other air fan 12 likewise increases via the shaft 28 of the electric motor 14 driving the air supply fan 13. But, A signal that the shutoff damper 20 is closed is sent to the electric motor 14 to forcibly reduce the rotation speed of the rotating shaft by the electric motor 14. As a result, it is possible to suppress a rise in the number of revolutions and a sharp increase in the amount of exhaust air, preventing an increase in drafts intruding from gaps in the room due to excessive suction, and a large negative pressure in the room. In addition, it is possible to prevent obstacles such as difficulty in opening the door.
- the cut-off damper 20 returns to the open state and the normal operation is performed.
- the supply air 17 entering from outside 1 at a temperature below 10 ° C below the freezing point 17 is detected by the supply air temperature detection means 21 when a temperature lower than the set temperature is detected. 20 is closed.
- the air supply path 18 once closed by the cut-off damper 20 is divided into a low-temperature air supply 17 and a part affected by room air, and the atmosphere temperature of the air supply temperature detecting means 21 is gradually reduced. As the temperature rises, the temperature rises above the set temperature. By this temperature detection, a signal for releasing the closure is transmitted to the cutoff damper 20.
- the shutoff damper 120 is closed again several minutes or several seconds after the shutoff damper 20 is closed. May be released, generating unpleasant sounds with continuous flapping.
- the closing time can be set freely by the timer. Therefore, even when the interval between the closing signal and the opening signal of the shut-off damper 20 is very short, the shut-off damper 20 can be opened and closed stably by setting the interval of the closing time arbitrarily and without any unpleasant noise. be able to. In this way, continuous opening and closing can be prevented as much as possible, so that the operating life of the cut-off damper 20 such as failure or deformation due to fatigue can be greatly extended.
- the on-off valve 24 is opened, and the exhaust path 16 and the air supply path 18 are communicated through the opening in the wall 23. be able to.
- part of the exhaust gas 15 is supplied as air and passed through the heat exchanger 19 again, so that the elements of the heat exchanger 19 that have been cooled to a low temperature by the air supply 17 until now are preheated.
- some frozen water vapor can be thawed early.
- the exhaust gas 15 flows back into the air supply path 18, so that the pressure difference between the exhaust path 16 and the air supply path 18 can be reduced. Further, since the pressure difference becomes small, the rotation speed of the exhaust fan 12 which has risen due to the closing of the air supply 17 can be suppressed to be low, and the noise can be reduced.
- heat is supplied to the air supply 17 by the heating means 25 and preheated to a set temperature such as 10 ° C below the freezing point to raise the temperature of the air supply 17 and freeze the heat exchanger 19. It can be prevented beforehand.
- the temperature of the outdoor air to be taken in rises above the temperature set by the air supply temperature detecting means 21, so that the shut-off damper 20 is not operated continuously. Can drive. In this way, the resident can obtain a sufficient amount of fresh outdoor air 1 without reducing the inflow.
- the motor 14 is composed of a DC motor (not shown), and an exhaust fan 12 and an air supply fan 13 are connected and fixed to shafts protruding from both sides. This makes it possible to easily connect and operate the speed control function, which is generally widely used, to the DC motor, and to control the speed by detecting the input current value, for example. The control can be performed with high accuracy, and the amount of exhaust air can be easily suppressed. At the same time, DC motors consume very little power, so they can also save energy. Also, when the air supply 17 passing through the air supply path 18 is closed and shut off by the shutoff damper 20, the drive of the motor 14 is changed to a small air volume range, and the rotation speed of the exhaust fan 12 is suppressed. To prevent excessive negative pressure in the indoor static pressure. When the exhaust duct 2 and air supply duct 3 to be connected are very short and the internal resistance is low, and the exhaust 15 can be easily exhausted, or in a place with a small room, etc. I will.
- a pulse wave is sent at a cycle of 200 cycles in a variable steady cycle, e.g., a cycle of 50 ms, emitted from the transmission unit of the rotation speed detecting means 26, but the steady cycle is arbitrarily changed.
- the receiving unit 31 reads a signal that can be used, calculates the actual rotation speed of the exhaust fan, and sends a signal to the rotation speed control unit 27.
- the input frequency to the electric motor 14 for driving the exhaust fan 12 can be changed according to the magnitude of the signal and the predetermined value.
- a static pressure detecting means 29 for reading the pressure difference between the exhaust path 16 and the supply path 18 is provided in the exhaust path 16. If the pressure difference between the exhaust path 16 and the air supply path 18 exceeds the pressure difference set in the static pressure detecting means 29, the number of rotations of the exhaust fan 12 is determined by the signal of the static pressure detecting means 29.
- Speed control means 27 A for controlling the rotation speed is provided. For example, when the shut-off damper 20 is closed, the inlet port 11 of the air supply path 18 has a head of 0 mm and the outlet port 10 of the exhaust path 16 has a head pressure of 7 mm. mm Head. This is the set value described above.
- the pressure difference between the exhaust path 16 and the supply path 18 may be, for example, 8 to 9 mm depending on the installation conditions. It transits to.
- the static pressure detection means 29 detects the pressure difference and sets A signal can be sent to the rotation speed control means 27 A for changing the rotation speed so as to match the pressure difference of the value, and the rotation speed can be changed.
- excessive exhaust can be suppressed to prevent over-negative pressure in the room, thereby suppressing noise caused by an increase in rotation speed, and conversely, when the required airflow decreases, the rotation speed can be increased to increase the airflow.
- the heat exchange ventilator is configured such that a resident or facility technician sets the set temperature detected by the supply air temperature detecting means 21 A detecting the temperature of the air supply 17.
- This is a configuration that can be set arbitrarily.
- shut-off damper 20 is closed earlier than usual, and the air supply 17 is shut off in accordance with the environment or period in which it is desired to suppress the feeling of cool wind, thereby greatly reducing discomfort to residents. it can.
- those having the same reference numerals as those described in the first embodiment are the same components, and description thereof will be omitted.
- the heat exchange type ventilator has a detachable air supply temperature detection means 21B, and can be installed at an arbitrary position in the air supply path 18 by a clamp. Can be fixed.
- An air conditioner is installed near the place where the main body 6 is installed as an air conditioner for the room, and the air supply temperature detection means 21 If the air leakage occurs, the temperature of the air supply 17 may become unstable. In such a case, it is often found that the set temperature cannot be detected.
- the clamp attached with a screw or the like is re-fixed to a place where stable outdoor 1 temperature can be detected, and the air supply temperature detecting means 21 B is sandwiched and installed in this clamp. be able to.
- the heat exchange type ventilator is provided with air volume detecting means 30 for detecting the exhaust air volume in the main body 6, and the exhaust air volume is detected by a signal from the air volume detecting means 30.
- a rotation speed control means 27 B for controlling the rotation speed of the fan 12 is also provided.
- the air volume detection means 30 is normally constituted by a net-shaped wind speed detection device having a low airflow resistance, and first detects the wind speed, and calculates the air volume by multiplying the effective arrow area.
- the shutoff damper 20 While the shutoff damper 20 is activated and the air supply 17 is stopped, the exhaust air is exhausted more than the occupants request, which may cause problems such as drafts and difficulty in opening the indoor door.
- the rotation speed is controlled using the rotation speed control means 27 B so as not to exhaust more than necessary. It can be changed to stabilize the required air volume.
- those having the same reference numerals as those described in the first embodiment are the same components, and description thereof will be omitted.
- the heat exchange ventilator of the present invention detects the temperature of the supply air by the supply air temperature detecting means, and operates the cutoff damper to block the flow of the supply air.
- Cold air can be prevented from reaching the heat exchanger, and freezing on the route side of the heat exchanger can be prevented.
- the flow of low-temperature air supply is stopped, it has the effect of not giving the residents a feeling of cool wind.
- the heat exchange ventilator of the present invention determines the operating temperature of the shut-off damper that cuts off the flow of the supply air in response to the temperature of the incoming low-temperature air supply, and determines the installation location and use condition of the device. It has the effect that it can be easily changed at the request of the resident in consideration of it.
- the heat exchange type ventilator of the present invention can prevent the icing of the heat exchanger by changing the interval at which the air supply blocked by the shut-off damper passes through the heat exchanger, and can also set the interval between opening and closing times of the shut-off damper.
- chattering By holding the motor, it is possible to prevent the opening and closing movement (so-called chattering) of the shut-off damper in a short time, thereby preventing noise and improving durability.
- the heat exchange type ventilator of the present invention is configured such that the indoor air to be exhausted to the outside by the exhaust fan is communicated to the air supply path side via an on-off valve, and passes through the air supply path. It has the function of supplying exhaust heat to the air supply side of the heat exchanger to bring the temperature of the heat exchanger close to room temperature, thereby preventing freezing of the heat exchanger.
- the heat exchange ventilator of the present invention has an effect that the air supply passing through the heat exchanger is heated to a temperature that does not cause icing, thereby preventing icing of the heat exchanger.
- the heat exchange type ventilator of the present invention is subject to installation conditions due to demands such as being susceptible to temperature detection, and demanding strict measurement of the supply air temperature by installing it outside the exhaust duct. Create an unreliable temperature sensing environment It has the effect of significantly improving the accuracy of temperature detection up to the supply air temperature detection means.
- the heat exchange ventilator of the present invention detects the amount of current input to the DC motor and detects rotation even when the supply air flow is cut off by the cutoff damper and the amount of exhaust air increases rapidly.
- the number of rotations can be kept constant, the number of rotations can be easily reduced, and an unnecessary increase in exhaust air volume can be suppressed.
- the rotation speed of the exhaust fan is reduced and the exhaust air volume is reduced in consideration of the balance between the exhaust gas and the air supply. Has the effect of preventing an unpleasant indoor draft from increasing.
- the heat exchange type ventilator of the present invention reads the differential pressure between the exhaust air and the air supply in the main body in an environment where the air flow is blocked by the shut-off damper, and detects the static pressure of the exhaust path and the air supply.
- the static pressure of the path By controlling the static pressure of the path so that it does not rise more than necessary, reducing the number of revolutions of the exhaust fan and reducing the amount of exhaust air, it has the effect of preventing an increase in unpleasant indoor draft.
- the heat exchange type ventilator of the present invention detects the air volume in the exhaust path and increases the exhaust air volume in an environment where the supply air flow is interrupted by the shutoff damper, thereby increasing the unpleasant indoor draft. This has the effect that the number of revolutions of the exhaust fan can be reduced so that the exhaust air volume can be reduced.
- the heat exchange type ventilator of the present invention is useful as an application of a heat exchange type ventilator having a function of preventing freezing of a heat exchanger and suppressing a feeling of cool wind to residents when taking in extremely low temperature outside air. .
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Ventilation (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2557394A CA2557394C (en) | 2004-02-19 | 2005-02-18 | Heat exchange type ventilator |
US10/589,774 US7594539B2 (en) | 2004-02-19 | 2005-02-18 | Heat exchange type ventilator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004042430A JP2005233494A (ja) | 2004-02-19 | 2004-02-19 | 熱交換形換気装置 |
JP2004-042430 | 2004-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005080882A1 true WO2005080882A1 (ja) | 2005-09-01 |
Family
ID=34879260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/003070 WO2005080882A1 (ja) | 2004-02-19 | 2005-02-18 | 熱交換形換気装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7594539B2 (ja) |
JP (1) | JP2005233494A (ja) |
KR (1) | KR100799805B1 (ja) |
CN (1) | CN100455928C (ja) |
CA (1) | CA2557394C (ja) |
WO (1) | WO2005080882A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1962030A1 (en) * | 2005-12-14 | 2008-08-27 | Matsushita Electric Industries Co., Ltd. | Heat exchange type ventilator |
CN105444956A (zh) * | 2014-12-06 | 2016-03-30 | 湖北博士隆科技股份有限公司 | 铆塞密封性集成式检测装置的降温换气机构 |
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JP4893025B2 (ja) * | 2006-02-28 | 2012-03-07 | 株式会社富士通ゼネラル | 空気調和機 |
ES2324365T3 (es) | 2005-10-11 | 2009-08-05 | Fujitsu General Limited | Aparato de aire acondicionado. |
JP2007170712A (ja) * | 2005-12-20 | 2007-07-05 | Matsushita Electric Ind Co Ltd | 熱交換形換気装置 |
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JP4720475B2 (ja) * | 2005-12-14 | 2011-07-13 | パナソニック株式会社 | 熱交換形換気装置 |
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JP4978303B2 (ja) * | 2007-05-15 | 2012-07-18 | パナソニック株式会社 | 熱交換形換気装置 |
KR20090017004A (ko) * | 2007-08-13 | 2009-02-18 | 삼성전자주식회사 | 전열교환기용 온도보상히터 보호장치 및 그 제어방법 |
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Also Published As
Publication number | Publication date |
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JP2005233494A (ja) | 2005-09-02 |
CA2557394C (en) | 2010-04-06 |
CA2557394A1 (en) | 2005-09-01 |
KR20060110367A (ko) | 2006-10-24 |
US20070169927A1 (en) | 2007-07-26 |
US7594539B2 (en) | 2009-09-29 |
CN100455928C (zh) | 2009-01-28 |
CN1922444A (zh) | 2007-02-28 |
KR100799805B1 (ko) | 2008-01-31 |
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