CN101701739B - Air and air energy recovery and ventilation device with defrosting and bypass air supplying functions - Google Patents
Air and air energy recovery and ventilation device with defrosting and bypass air supplying functions Download PDFInfo
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- CN101701739B CN101701739B CN2009102092596A CN200910209259A CN101701739B CN 101701739 B CN101701739 B CN 101701739B CN 2009102092596 A CN2009102092596 A CN 2009102092596A CN 200910209259 A CN200910209259 A CN 200910209259A CN 101701739 B CN101701739 B CN 101701739B
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Abstract
The invention relates to an air and air energy recovery and ventilation device with defrosting and bypass air supplying functions, which belongs to an air and air energy recovery and ventilation device and aims at solving the problem that load in a cold energy eliminating chamber applying outdoor fresh air can not be utilized by the traditional air and air energy recovery and ventilation device in a transition season. The air and air energy recovery and ventilation device also comprises a bypass air supplying valve, wherein a fifth air passage hole is communicated with a bypass air supplying passage, one end of a baffle plate is arranged on the inner side wall of a casing and the other end is arranged on a heat exchange frame, a second baffle plate is arranged at the fifth air passage hole and is articulated with the heat exchange frame through a second hinge, one end of a second connecting rod is articulated with the second baffle plate and the other end is articulated with a second sliding block which is connected with an output shaft of a second motor in a transmission way, the second motor is fixedly arranged on the bottom end face of the baffle plate, and a power supply controller is connected with the second motor through a lead. The invention is used for recovering indoor heat and cold energy.
Description
Technical field
The present invention relates to a kind of air and air energy and reclaim ventilation unit.
Background technology
Existing air and air energy reclaim ventilation unit and have bypass defrost function; Like publication number is CN101509686A; The Chinese invention patent application that open day is on August 19th, 2009 discloses a kind of " air and air energy with bypass defrost function reclaim ventilation unit ", but the effect for the cold decontamination chamber internal loading that uses outdoor new wind in transition season of this device does not obtain utilizing.
Summary of the invention
The objective of the invention is to reclaim ventilation unit and do not obtain the problem utilized for the effect of the cold decontamination chamber internal loading of the outdoor new wind of utilization, proposed a kind of air and air energy recovery ventilation unit with defrosting and bypass air-supply function at transition season in order to solve existing air and air energy.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: said air and air energy reclaim ventilation unit and comprise casing, air draft blower fan, heat exchanger, heat exchanger framework, new wind blower fan, bypass defrost air-valve and power-supply controller of electric; Top end face, left madial wall and Right Inboard wall in said heat exchanger framework and the casing are affixed, and said heat exchanger framework is divided into exhaust air box, new air compartment, bypass air-supply passage and bypass defrost air channel with casing, and said heat exchanger is installed in the heat exchanger framework; A sidewall of said heat exchanger framework is provided with the air draft port and the first air channel port; Another sidewall of said heat exchanger framework is provided with the new wind port and the second air channel port, and said air draft blower fan is installed in the exhaust air box, and said new wind blower fan is installed in the new air compartment; The air flow outlet that is positioned at the air draft blower fan on the said casing is provided with wind exhausting outlet; The air flow outlet that is positioned at new wind blower fan on the said casing is provided with new wind outlet, and said casing is provided with fresh inlet and fresh inlet and the setting of wind exhausting outlet homonymy, and said casing is provided with air draft import and air draft import and the setting of new wind outlet homonymy; One end of said bypass supply air duct communicates with fresh inlet; The other end of said bypass supply air duct communicates with the air draft import, and an end in said bypass defrost air channel communicates with fresh inlet, and the other end in said bypass defrost air channel communicates with the air draft import; Said power-supply controller of electric is packed in the outside of casing; Said power-supply controller of electric 24 is connected with new wind blower fan with the air draft blower fan respectively through lead, and said bypass defrost air-valve is connected with casing, and said air and air energy reclaim ventilation unit and also comprise bypass air-supply air-valve; Said bypass air-supply air-valve is made up of second connecting rod, second motor, second slide block, second hinge, dividing plate and second baffle; The sidewall of new air compartment is provided with tendencies road port, and said tendencies road port is positioned at the intersection of said bypass air-supply passage and new air compartment, and said tendencies road port communicates with the bypass supply air duct; One end of said dividing plate is arranged on the madial wall of casing; The other end of said dividing plate is arranged on the heat exchanger framework, and said second baffle is arranged on tendencies road passage port and hinged through second hinge and heat exchanger framework, and an end and the second baffle of said second connecting rod are hinged; The other end of said second connecting rod and second slide block are hinged; The output shaft of said second slide block and second motor is in transmission connection, and said second motor is packed on the bottom face of dividing plate, and said power-supply controller of electric is connected with second motor through lead.
The present invention has following beneficial effect: 1. because the present invention has designed bypass supply air duct 18 and bypass air-supply air-valve 11; Change through bypass air-supply air-valve 11 positions in transition season is also directly sent into new wind to indoor through bypass supply air duct 18; Effectively utilized the cold of outdoor new wind; And since new wind without heat exchanger, so reduced new wind resistance; 2. during winter; If long-play causes heat exchanger 3 surperficial frostings; Apparatus of the present invention are switched to defrost state, and defrosting reverts to normal heat exchange state after finishing; Make the present invention can not cause heat exchange efficiency decline and air draft air quantity to reduce because of the appearance of frosting, thereby cause and normally to use in the winter of cold district; 3. because the present invention at transition season and than all well moving under the cold climate, therefore can improve air and air energy device whole year operation time, and can improve the service efficiency of equipment greatly, finally reduce the payback period of equipment.
Description of drawings
Fig. 1 is a whole plan structure sketch map of the present invention, and Fig. 2 is the A-A cutaway view of Fig. 1, and Fig. 3 is the B-B cutaway view of Fig. 1; Fig. 4 is the E-E cutaway view of Fig. 2, and Fig. 5 is the C-C cutaway view of Fig. 4, and Fig. 6 is the D-D cutaway view of Fig. 4; Fig. 7 be the present invention when the heat exchange state, the location drawing of bypass air-supply air-valve 11, Fig. 8 is that the present invention is when the heat exchange state; The position of bypass defrost air-valve 6 and air flow figure, Fig. 9 be the present invention when defrost state, the location drawing of bypass air-supply air-valve 11; Figure 10 be the present invention when defrost state, the position of bypass defrost air-valve 6 and air flow figure, Figure 11 is that the present invention is when the bypass ventilation state; The position and the air flow figure of bypass air-supply air-valve 11, Figure 12 be the present invention when the bypass ventilation state, the location drawing of bypass defrost air-valve 6.
The specific embodiment
The specific embodiment one: combine Fig. 1-Fig. 6 that this embodiment is described; Said air of this embodiment and air energy reclaim ventilation unit and comprise casing 1, air draft blower fan 2, heat exchanger 3, heat exchanger framework 4, new wind blower fan 5, bypass defrost air-valve 6 and power-supply controller of electric 24; Said heat exchanger framework 4 is affixed with top end face, left madial wall and Right Inboard wall in the casing 1; Said heat exchanger framework 4 is divided into exhaust air box 16, new air compartment 17, bypass air-supply passage 18 and bypass defrost air channel 19 with casing 1; Said heat exchanger 3 is installed in the heat exchanger framework 4, and a sidewall 4-6 of said heat exchanger framework 4 is provided with the air draft port 4-1 and the first air channel port 4-3, and another sidewall 4-7 of said heat exchanger framework 4 is provided with the new wind port 4-2 and the second air channel port 4-4; Said air draft blower fan 2 is installed in the exhaust air box 16; Said new wind blower fan 5 is installed in the new air compartment 17, and the air flow outlet that is positioned at air draft blower fan 2 on the said casing 1 is provided with wind exhausting outlet 1-1, and the air flow outlet that is positioned at new wind blower fan 5 on the said casing 1 is provided with new wind outlet 1-2; Said casing 1 is provided with fresh inlet 1-3 and fresh inlet 1-3 and the setting of wind exhausting outlet 1-1 homonymy; Said casing 1 is provided with air draft import 1-4 and air draft import 1-4 and the setting of new wind outlet 1-2 homonymy, and an end of said bypass supply air duct 18 communicates with fresh inlet 1-3, and the other end of said bypass supply air duct 18 communicates with air draft import 1-2; One end in said bypass defrost air channel 19 communicates with fresh inlet 1-3; The other end in said bypass defrost air channel 19 communicates with air draft import 1-4, and said power-supply controller of electric 24 is packed in the outside of casing 1, and said power-supply controller of electric 24 is connected with new wind blower fan 5 with air draft blower fan 2 respectively through lead; Said bypass defrost air-valve 6 is connected with casing 1; Said air and air energy reclaim ventilation unit and also comprise bypass air-supply air-valve 11, and said bypass air-supply air-valve 11 is made up of second connecting rod 12, second motor 13, second slide block 14, second hinge 15, dividing plate 20 and second baffle 26, and the sidewall of new air compartment 17 is provided with tendencies road port 4-5; Said tendencies road port 4-5 is positioned at the intersection of said bypass air-supply passage 18 and new air compartment 17; Said tendencies road port 4-5 communicates with bypass supply air duct 18, and an end of said dividing plate 20 is arranged on the madial wall of casing 1, and the other end of said dividing plate 20 is arranged on the heat exchanger framework 4; Said second baffle 26 is arranged on port 4-5 place, tendencies road and hinged with heat exchanger framework 4 through second hinge 15; One end and the second baffle 26 of said second connecting rod 12 are hinged, and the other end of said second connecting rod 12 and second slide block 14 are hinged, and the output shaft of said second slide block 14 and second motor 13 is in transmission connection; Said second motor 13 is packed on the bottom face of dividing plate 20, and said power-supply controller of electric 24 is connected with second motor 13 through lead.Second slide block 14 is driven and is rotated by second motor 13; And then drive second connecting rod 12 motions; Second connecting rod 12 drives second baffle 26 motions; Thereby accomplish the change of bypass air-supply air-valve 11 positions, power-supply controller of electric 24 has the effect that connected sum cuts off the power supply of air draft blower fan 2, new wind blower fan 5, first motor 8 and second motor 13.
The specific embodiment two: combine Fig. 1-Fig. 6 that this embodiment is described; The bypass defrost air-valve 6 of this embodiment is made up of first connecting rod 7, first motor 8, first slide block 9, first hinge 10 and first baffle plate 25; Said first baffle plate 25 is arranged on fresh inlet 1-3 place and hinged with casing 1 through first hinge 10; One end of first connecting rod 7 and first baffle plate 25 are hinged, and the other end of first connecting rod 7 and first slide block 9 are hinged, and the output shaft of first slide block 9 and first motor 8 is in transmission connection; First motor 8 is packed on the bottom face in the casing 1, and said power-supply controller of electric 24 is connected with first motor 8 through lead.First slide block 9 is driven and is rotated by first motor 8, and then drives first connecting rod 7 motions, and first connecting rod 7 drives 25 motions of first baffle plate, thereby accomplishes the change of bypass defrost air-valve 6 positions.Other compositions and annexation are identical with the specific embodiment one.
The specific embodiment three: combine Fig. 7-Figure 12 that this embodiment is described; The air of this embodiment and air energy reclaim ventilation unit and also comprise new wind-warm syndrome humidity sensor 21, air draft Temperature Humidity Sensor 22 and humiture collection controller 23; Said new wind-warm syndrome humidity sensor 21 is arranged in the heat exchanger framework 4 with said air draft Temperature Humidity Sensor 22; Said humiture collection controller 23 is packed on the top lateral wall of casing 1; Said new wind-warm syndrome humidity sensor 21 is connected with humiture collection controller 23 through lead respectively with said air draft Temperature Humidity Sensor 22, and said humiture collection controller 23 is connected with power-supply controller of electric 24 through lead.Design makes the present invention can automatically switch bypass ventilation state, bypass defrost state and normal heat exchange state like this, and carries out bypass defrost in due course and can revert to the heat exchange state automatically.Wherein new wind-warm syndrome humidity sensor 21 adopts the humiture of the HygroClip S model of Switzerland rotronic company production to pop one's head in air draft Temperature Humidity Sensor 22; The humiture collection controller of the EIO-H model that humiture collection controller 23 employing capital Jinhua Science and Technology Ltd.s produce; The power-supply controller of electric of the IPCS R8 model that power-supply controller of electric 24 employing Guangzhous triumphant figure electronics technology Co., Ltd produces.Other compositions and annexation are identical with the specific embodiment one.
The present invention only just opens the bypass air-supply when outdoor novel wind energy is born indoor refrigeration duty.The present invention is when operation; New wind-warm syndrome humidity sensor 21 detects the temperature and the relative humidity of new wind in real time; Air draft Temperature Humidity Sensor 22 detects the temperature and the relative humidity of air draft in real time; New wind-warm syndrome humidity sensor 21 sends the humiture information that collects to humiture collection controller 23 with air draft Temperature Humidity Sensor 22; When humiture collection controller 23 is differentiated difference that air draft Temperature Humidity Sensors 22 are higher than a certain temperature value and indoor exhaust wind temperature and outdoor new wind-warm syndrome degree less than a certain temperature value, then see off and stop heat exchange status signal and unlatching bypass ventilation state signal to power-supply controller of electric 24; Receive when power-supply controller of electric 24 then air draft blower fan 2 to be placed halted state when stopping the heat exchange status signal, new wind blower fan 5 places running status; Bypass blow valve 11 is opened; Be communicated with bypass supply air duct 18 and tendencies road port 4-5, position shown in figure 11, and bypass defrost air-valve 6 cuts out; Intercept bypass defrost air channel 19 and fresh inlet 1-3, position shown in figure 12.Device is moved under the bypass ventilation state; Heat exchange state and bypass state hocket, and adjust the function that realizes the air-supply of this device auto bypass automatically according to the temperature of new wind and air draft, and this device can be moved in the transition season high-efficiency and continuous.
In addition, the present invention can automatically switch to defrost state in the winter time, and defrosting reverts to normal heat exchange state after finishing automatically.Humiture collection controller 23 can be adjusted defrosting time and defrost interval time automatically according to the humiture of new wind and air draft.New wind-warm syndrome humidity sensor 21 detects the temperature and the relative humidity of new wind in real time; Air draft Temperature Humidity Sensor 22 detects the temperature and the relative humidity of air draft in real time; New wind-warm syndrome humidity sensor 21 sends the humiture information that collects to humiture collection controller 23 with air draft Temperature Humidity Sensor 22; If humiture collection controller 23 judges that this operating mode can produce frosting, then see heat exchange status signal and defrost state signal off to power-supply controller of electric 24; When power-supply controller of electric 24 is received the heat exchange status signal; Air draft blower fan 2 and new wind blower fan 5 are placed running status; Bypass air-supply air-valve 11 cuts off bypass supply air duct 18 and sees Fig. 7, and bypass defrost air-valve 6 cuts off bypass defrost air channel 19 and sees Fig. 8, and device is moved under the heat exchange state; When power-supply controller of electric 14 is received the defrost state signal; Then air draft blower fan 2 is placed halted state, new wind blower fan 5 is placed running status, bypass defrost air-valve 6 is opened bypass defrost air channel 19; See Figure 10; Bypass air-supply air-valve 11 cuts out and makes tendencies road port 4-5 be closed obstruct, sees Fig. 9, and device is moved under defrost state.Can not produce frosting if humiture collection controller 23 is judged according to the humiture of new wind and air draft, then the signal with the heat exchange operating mode sends power-supply controller of electric 24 to, makes the operation under the heat exchange state always of this device, has avoided the generation of mistake defrosting.
Operation principle: the present invention has heat exchange, bypass air-supply and the three kinds of running statuses that defrost.Under the heat exchange state, bypass air-supply air-valve 11 cuts off bypass supply air duct 18, sees Fig. 7; Bypass defrost air-valve 6 cuts off bypass defrost air channel 19, sees Fig. 8, at this moment; Air draft blower fan 2 all moves with new wind blower fan 5; New wind is got into through the first air channel port 4-3 and heat exchanger 3 by fresh inlet 1-3 and is flowed out by new wind outlet 1-2, and air draft is got into through the second air channel port 4-4 and heat exchanger 3 by air draft import 1-4 is flowed out by wind exhausting outlet 1-1, and the exchange of heat and wet amount is carried out in new wind and air draft on 3 li on heat exchanger;
Under the bypass defrost state; Bypass air-supply air-valve 11 cuts out and makes tendencies road port 4-5 be closed obstruct (being that bypass defrost air-valve 11 intercepts bypass supply air duct 18 and new air compartment 17); See Fig. 9, bypass defrost air-valve 6 is opened bypass defrost air channel 19 (being that bypass defrost air-valve 6 intercepts fresh inlet 1-3, bypass supply air duct 18 with bypass defrost air channel 19), sees Figure 10; Air draft this moment blower fan 2 stops; New wind blower fan 5 operations, indoor circulation wind get into logical defrosting duct 19 by air draft import 1-4 and are flowed out by new wind outlet 1-2 through the first air channel port 4-3 and heat exchanger 3, and this strand just can play the effect of defrosting when flowing through heat exchanger 3 at the thermal current of indoor circulation;
Under the bypass ventilation state; Bypass air-supply air-valve 11 is opened bypass supply air duct 18 (being that bypass air-supply air-valve 11 lets fresh inlet 1-3 communicate with new air compartment 17); See Figure 11, bypass defrost air-valve 6 cuts out bypass defrost air channel 19 (being that bypass defrost air-valve 6 intercepts fresh inlet 1-3, bypass supply air duct 18 with bypass defrost air channel 19), sees Figure 12; At this moment; Air draft blower fan 2 stops, new wind blower fan 5 operations, and outdoor new wind gets into bypass supply air duct 18 by fresh inlet 1-3 and is flowed out by new wind outlet 1-2 with new wind blower fan 5 through tendencies road port 4-5.
Claims (3)
1. an air and the air energy with defrosting and bypass air-supply function reclaims ventilation unit; Said air and air energy reclaim ventilation unit and comprise casing (1), air draft blower fan (2), heat exchanger (3), heat exchanger framework (4), new wind blower fan (5), bypass defrost air-valve (6) and power-supply controller of electric (24); Said heat exchanger framework (4) is affixed with top end face, left madial wall and Right Inboard wall in the casing (1); Said heat exchanger framework (4) is divided into exhaust air box (16), new air compartment (17), bypass air-supply passage (18) and bypass defrost air channel (19) with casing (1); Said heat exchanger (3) is installed in the heat exchanger framework (4), and a sidewall (4-6) of said heat exchanger framework (4) is provided with the air draft port (4-1) and the first air channel port (4-3), and another sidewall (4-7) of said heat exchanger framework (4) is provided with the new wind port (4-2) and the second air channel port (4-4); Said air draft blower fan (2) is installed in the exhaust air box (16); Said new wind blower fan (5) is installed in the new air compartment (17), and the air flow outlet that is positioned at air draft blower fan (2) on the said casing (1) is provided with wind exhausting outlet (1-1), and the air flow outlet that is positioned at new wind blower fan (5) on the said casing (1) is provided with new wind outlet (1-2); Said casing (1) is provided with fresh inlet (1-3) and fresh inlet (1-3) and the setting of wind exhausting outlet (1-1) homonymy; Said casing (1) is provided with air draft import (1-4) and air draft import (1-4) and the setting of new wind outlet (1-2) homonymy, and an end of said bypass supply air duct (18) communicates with fresh inlet (1-3), and the other end of said bypass supply air duct (18) communicates with air draft import (1-2); One end in said bypass defrost air channel (19) communicates with fresh inlet (1-3); The other end in said bypass defrost air channel (19) communicates with air draft import (1-4), and said power-supply controller of electric (24) is packed in the outside of casing (1), and said power-supply controller of electric (24) is connected with new wind blower fan (5) with air draft blower fan (2) respectively through lead; Said bypass defrost air-valve (6) is connected with casing (1); It is characterized in that said air and air energy reclaim ventilation unit and also comprise bypass air-supply air-valve (11), said bypass air-supply air-valve (11) is made up of second connecting rod (12), second motor (13), second slide block (14), second hinge (15), dividing plate (20) and second baffle (26), and the sidewall of new air compartment (17) is provided with tendencies road port (4-5); Said tendencies road port (4-5) is positioned at the intersection of said bypass air-supply passage (18) and new air compartment (17); Said tendencies road port (4-5) communicates with bypass supply air duct (18), and an end of said dividing plate (20) is arranged on the madial wall of casing (1), and the other end of said dividing plate (20) is arranged on the heat exchanger framework (4); Said second baffle (26) is arranged on that tendencies road port (4-5) is located and is hinged through second hinge (15) and heat exchanger framework (4); One end of said second connecting rod (12) and second baffle (26) are hinged, and the other end of said second connecting rod (12) and second slide block (14) are hinged, and said second slide block (14) is in transmission connection with the output shaft of second motor (13); Said second motor (13) is packed on the bottom face of dividing plate (20), and said power-supply controller of electric (24) is connected with second motor (13) through lead.
2. reclaim ventilation unit according to said air and the air energy of claim 1 with defrosting and bypass air-supply function; It is characterized in that said bypass defrost air-valve (6) is made up of first connecting rod (7), first motor (8), first slide block (9), first hinge (10) and first baffle plate (25); Said first baffle plate (25) is arranged on that fresh inlet (1-3) is located and is hinged through first hinge (10) and casing (1); One end of first connecting rod (7) and first baffle plate (25) are hinged; The other end of first connecting rod (7) and first slide block (9) are hinged; First slide block (9) is in transmission connection with the output shaft of first motor (8), and first motor (8) is packed on the bottom face in the casing (1), and said power-supply controller of electric (24) is connected with first motor (8) through lead.
3. reclaim ventilation unit according to claim 1 or 2 said air and air energies with defrosting and bypass air-supply function; It is characterized in that said air and air energy reclaim ventilation unit and also comprise new wind-warm syndrome humidity sensor (21), air draft Temperature Humidity Sensor (22) and humiture collection controller (23); Said new wind-warm syndrome humidity sensor (21) and said air draft Temperature Humidity Sensor (22) are arranged in the heat exchanger framework (4); Said humiture collection controller (23) is packed on the top of casing (1) lateral wall; Said new wind-warm syndrome humidity sensor (21) is connected with humiture collection controller (23) through lead respectively with said air draft Temperature Humidity Sensor (22), and said humiture collection controller (23) is connected with power-supply controller of electric (24) through lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102092596A CN101701739B (en) | 2009-10-28 | 2009-10-28 | Air and air energy recovery and ventilation device with defrosting and bypass air supplying functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102092596A CN101701739B (en) | 2009-10-28 | 2009-10-28 | Air and air energy recovery and ventilation device with defrosting and bypass air supplying functions |
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| Publication Number | Publication Date |
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| CN101701739A CN101701739A (en) | 2010-05-05 |
| CN101701739B true CN101701739B (en) | 2012-03-21 |
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| CN2009102092596A Expired - Fee Related CN101701739B (en) | 2009-10-28 | 2009-10-28 | Air and air energy recovery and ventilation device with defrosting and bypass air supplying functions |
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| US10274210B2 (en) | 2010-08-27 | 2019-04-30 | Nortek Air Solutions Canada, Inc. | Heat pump humidifier and dehumidifier system and method |
| US9885486B2 (en) | 2010-08-27 | 2018-02-06 | Nortek Air Solutions Canada, Inc. | Heat pump humidifier and dehumidifier system and method |
| US8915092B2 (en) | 2011-01-19 | 2014-12-23 | Venmar Ces, Inc. | Heat pump system having a pre-processing module |
| US9772124B2 (en) | 2013-03-13 | 2017-09-26 | Nortek Air Solutions Canada, Inc. | Heat pump defrosting system and method |
| CN105387554A (en) * | 2015-10-15 | 2016-03-09 | 珠海格力电器股份有限公司 | Air exchange device and air exchange method |
| CN105233886B (en) * | 2015-10-22 | 2017-06-16 | 长春理工大学 | High-low temperature chamber window dehydrating unit |
| CN205208832U (en) * | 2015-11-27 | 2016-05-04 | 孙利民 | New fan of business turn over wind passageway area by -pass |
| KR101824148B1 (en) * | 2016-03-03 | 2018-01-31 | 주식회사 경동나비엔 | Ventilator |
| CN105928126B (en) * | 2016-06-15 | 2018-12-25 | 珠海格力电器股份有限公司 | Total-heat exchanger |
| CN207006407U (en) * | 2016-07-25 | 2018-02-13 | 厦门蒙发利健康科技有限公司 | A kind of efficiently new blower fan |
| CN112254214B (en) * | 2020-10-16 | 2022-05-17 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN113819507A (en) * | 2021-09-18 | 2021-12-21 | 张帆 | Air energy recovery system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509686A (en) * | 2009-03-23 | 2009-08-19 | 哈尔滨工业大学 | Air and air energy recovery ventilation device with bypass defrost function |
| CN201507997U (en) * | 2009-10-28 | 2010-06-16 | 哈尔滨工业大学 | Air and air energy recovery ventilation device with defrosting and bypass air supply functions |
-
2009
- 2009-10-28 CN CN2009102092596A patent/CN101701739B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509686A (en) * | 2009-03-23 | 2009-08-19 | 哈尔滨工业大学 | Air and air energy recovery ventilation device with bypass defrost function |
| CN201507997U (en) * | 2009-10-28 | 2010-06-16 | 哈尔滨工业大学 | Air and air energy recovery ventilation device with defrosting and bypass air supply functions |
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| CN101701739A (en) | 2010-05-05 |
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