WO2023142515A1 - Ventilateur d'air frais - Google Patents

Ventilateur d'air frais Download PDF

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Publication number
WO2023142515A1
WO2023142515A1 PCT/CN2022/123549 CN2022123549W WO2023142515A1 WO 2023142515 A1 WO2023142515 A1 WO 2023142515A1 CN 2022123549 W CN2022123549 W CN 2022123549W WO 2023142515 A1 WO2023142515 A1 WO 2023142515A1
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WO
WIPO (PCT)
Prior art keywords
sub
heat exchange
air
port
cavity
Prior art date
Application number
PCT/CN2022/123549
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English (en)
Chinese (zh)
Inventor
都学敏
孟建军
王涛
黄信博
Original Assignee
青岛海信日立空调系统有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202210102418.8A external-priority patent/CN116557960A/zh
Priority claimed from CN202210101066.4A external-priority patent/CN116557955A/zh
Priority claimed from CN202220227138.5U external-priority patent/CN216814501U/zh
Priority claimed from CN202220753921.5U external-priority patent/CN217636038U/zh
Application filed by 青岛海信日立空调系统有限公司 filed Critical 青岛海信日立空调系统有限公司
Priority to CN202280064116.4A priority Critical patent/CN118056097A/zh
Publication of WO2023142515A1 publication Critical patent/WO2023142515A1/fr

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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

Definitions

  • the present disclosure relates to the technical field of air conditioning, in particular to a new fan.
  • Air quality and comfort are increasingly valued by every family and various commercial and office places.
  • a new fan which includes a casing, a first partition, a second partition, a third partition, a first heat exchanger, a second heat exchanger, a plurality of adsorption pieces, and a first conversion assembly and the second conversion component.
  • the housing has an outdoor air inlet, an outdoor air exhaust port, an indoor air supply port and an indoor air return port.
  • the first partition and the second partition are arranged in the casing, the first partition and the second partition are arranged along one side of the casing, and the first partition
  • the housing is close to the outdoor air inlet to form an outdoor cavity, the second partition and the housing are close to the indoor air outlet to form an indoor cavity, the first partition, the The second partition part and the housing enclose a heat exchange cavity.
  • the first end of the third partition is connected to the first partition, the second end of the third partition is connected to the second partition, and the third partition connects the heat exchange cavity
  • the body is divided into a first heat exchange chamber and a second heat exchange chamber.
  • the first heat exchanger is disposed in the first heat exchange chamber.
  • the second heat exchanger is arranged in the second heat exchange chamber.
  • the plurality of adsorbents are arranged on the surface of the first heat exchanger and the second heat exchanger, and the plurality of adsorbents are configured to absorb moisture in the surrounding air when it is cold, and release the adsorbed moisture when it is hot. moisture.
  • the first conversion component is set in the indoor cavity
  • the second conversion component is set in the outdoor cavity
  • the first conversion component or the second conversion component has four ports
  • the four The ports are respectively the air inlet port, the air outlet port, the first heat exchange port and the second heat exchange port
  • the four ports of the first conversion assembly are respectively connected with the outdoor air exhaust port, the indoor air supply port
  • the The first heat exchange chamber communicates with the second heat exchange chamber
  • the four ports of the second conversion assembly are respectively connected to the outdoor air inlet, the indoor return air outlet, the first heat exchange chamber and the second heat exchange chamber.
  • the two heat exchange chambers are connected, and the first conversion assembly or the second conversion assembly is configured to switch the communication state between the four ports, so that the outdoor air inlet, the indoor air supply port and the The first heat exchange chamber communicates with one of the second heat exchange chambers, and the indoor air return port and the outdoor air exhaust port communicate with the other of the first heat exchange chamber and the second heat exchange chamber connected.
  • Fig. 1 is a structural diagram of a new fan according to some embodiments
  • Fig. 2 is a structural diagram of a first partition and a second partition according to some embodiments
  • Figure 3 is a block diagram of a first conversion component according to some embodiments.
  • Fig. 4 is a structural diagram of another viewing angle of the first conversion assembly in Fig. 3;
  • Fig. 5 is a structural diagram of another first conversion component according to some embodiments.
  • Fig. 6 is a structural diagram of another first conversion component according to some embodiments.
  • Fig. 7 is a structural diagram of a switching valve according to some embodiments.
  • Fig. 8 is a structural diagram of a limit barrier according to some embodiments.
  • Fig. 9 is a structural diagram of another limit barrier according to some embodiments.
  • Fig. 10 is a structural diagram of another limit barrier according to some embodiments.
  • Fig. 11 is a structural diagram of another fresh air blower according to some embodiments.
  • Figure 12 is a structural diagram of yet another first conversion component according to some embodiments.
  • Fig. 13 is a partial enlarged view of the first conversion assembly in Fig. 12;
  • Figure 14 is a plan view of the first conversion assembly in Figure 13;
  • Fig. 15 is a partial enlarged view of the barrier in Fig. 13;
  • Figure 16 is a structural diagram of yet another first conversion component according to some embodiments.
  • Fig. 17 is a partial enlarged view of the first conversion assembly in Fig. 16;
  • Figure 18 is a partial exploded view of the first conversion assembly in Figure 16;
  • Fig. 19 is a partial enlarged view of the first fixing part and the second fixing part on the side where the third driving device is located in Fig. 16;
  • Figure 20 is a connection state diagram of the first conversion component in Figure 12;
  • Fig. 21 is another connection state diagram of the first conversion component in Fig. 12;
  • Fig. 22 is another structural diagram of a new fan according to some embodiments.
  • Fig. 23 is a structural diagram of the first conversion assembly in Fig. 22;
  • Fig. 24 is a back view of the first conversion assembly of Fig. 22;
  • Figure 25 is an orthographic view of the first conversion assembly of Figure 22;
  • Fig. 26 is a schematic diagram of a refrigerant cycle of a new fan according to some embodiments.
  • Fig. 27 is a schematic diagram of the air flow in the cooling mode (dehumidification mode) of a fresh fan according to some embodiments;
  • Fig. 28 is a schematic diagram of air flow in the heating mode (humidification mode) of a fresh air blower according to some embodiments;
  • Fig. 29 is a schematic diagram of the air flow after the first conversion assembly and the second conversion assembly in Fig. 27 are reversed;
  • the first heat exchange port
  • the first partition 211.
  • the third partition 231.
  • the first heat exchange chamber 232.
  • the second heat exchange chamber 233.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present disclosure, unless otherwise specified, "plurality” means two or more.
  • connection should be understood in a broad sense.
  • connection can be a fixed connection, a detachable connection, or an integral body; it can be a direct connection or an indirect connection through an intermediary.
  • coupled indicates that two or more elements are in direct physical or electrical contact.
  • coupled or communicatively coupled may also mean that two or more components are not in direct contact with each other, but yet still co-operate or interact with each other.
  • the embodiments disclosed herein are not necessarily limited by the context herein.
  • At least one of A, B and C has the same meaning as “at least one of A, B or C” and both include the following combinations of A, B and C: A only, B only, C only, A and B A combination of A and C, a combination of B and C, and a combination of A, B and C.
  • a and/or B includes the following three combinations: A only, B only, and a combination of A and B.
  • parallel As used herein, “parallel”, “perpendicular”, and “equal” include the stated situation and the situation similar to the stated situation, the range of the similar situation is within the acceptable deviation range, wherein the The stated range of acceptable deviation is as determined by one of ordinary skill in the art taking into account the measurement in question and errors associated with measurement of the particular quantity (ie, limitations of the measurement system).
  • “parallel” includes absolute parallelism and approximate parallelism, wherein the acceptable deviation range of approximate parallelism can be, for example, a deviation within 5°; Deviation within 5°.
  • “Equal” includes absolute equality and approximate equality, where the difference between the two that may be equal is less than or equal to 5% of either within acceptable tolerances for approximate equality, for example.
  • indoor humidification includes wet film humidification, steam humidification, etc.
  • This type of humidification requires a separate humidification device connected to a fresh fan and water supply to achieve.
  • the humidifier, fresh air fan and water supply components need to be connected by pipelines, which has a complex structure and takes up a lot of space.
  • the humidifying device is installed in the fresh air machine, which shortens the length required for pipeline connection, but the humidifying device occupies a large space in the fresh air machine, and the pipeline connection is still relatively complicated, so that the overall space occupied by the fresh air machine is relatively large .
  • the outdoor air humidity is high in summer, and the moisture carried by the outdoor fresh air needs to be absorbed by the adsorbent material first, and then the moisture in the adsorbent material is taken away by the indoor exhaust, so as to prevent the moisture carried by the outdoor fresh air from entering the room;
  • the heat exchanger needs to be continuously changed from the evaporator to the condenser, and then from the condenser to the evaporator, and the flow direction of the fresh air flow and the flow direction of the exhaust air also need to be constantly switched between each other.
  • the number of switching valves for switching the flow direction of the fresh air flow and the flow direction of the exhaust air is relatively large, and the structure is relatively complicated, which is not conducive to later installation and maintenance, and takes up a lot of space and has high working noise.
  • the fresh fan 1000 includes a housing 200, the housing 200 has an outdoor air inlet 201, an outdoor air exhaust port 204, an indoor air supply port 202 and an indoor air return port 203 .
  • the outdoor air inlet 201 and the outdoor air outlet 204 are located on the same side of the casing 200
  • the indoor air supply outlet 202 and the indoor air return outlet 203 are disposed on the opposite side of the casing 200 to the same side.
  • the outdoor fresh air is transported into the housing 200 from the outdoor air inlet 201 , and is transported indoors through the indoor air supply port 202 , and the indoor dirty air is transported into the housing 200 from the indoor air return port 203 , and finally output to the outside through the outdoor air exhaust port 204 .
  • the fresh air machine 1000 also includes a first partition 210 and a second partition 220, the first partition 210 and the second partition 220 are arranged in the casing 200, the first partition 210, the second partition 220 are vertical to the shell
  • the body 200 is arranged in the direction of the same side, the first partition 210 is arranged on the side of the casing 200 close to the outdoor air inlet 201 , and the second partition 220 is arranged on the side of the casing close to the indoor air outlet 202 .
  • the inside of the casing 200 is divided into an indoor cavity, a heat exchange cavity and an outdoor cavity by the first partition 210 and the second partition 220 .
  • the indoor cavity is the cavity surrounded by the second partition 220 and the housing 200 close to the indoor air supply port 202
  • the heat exchange cavity is the cavity surrounded by the first partition 210 , the second partition 220 and the casing 200
  • the outdoor cavity is a cavity surrounded by the first partition 210 and the casing 200 close to the outdoor air inlet 201 .
  • up and down orientations in this disclosure refers to the state of fresh air blower 1000 when it is in use. As shown in FIG. 2 , the height direction of the fresh air blower 1000 is up and down.
  • the fresh air blower 1000 also includes a third partition 230 , a first heat exchanger 310 and a second heat exchanger 320 .
  • the third partition 230 is disposed in the heat exchange cavity and is perpendicular to the bottom surface of the casing 200 .
  • a first end of the third partition 230 is connected to the first partition 210
  • a second end of the third partition 230 is connected to the second partition 220 .
  • the third partition 230 divides the heat exchange cavity into a first heat exchange cavity 231 and a second heat exchange cavity 232, the first heat exchanger 310 is located in the first heat exchange cavity 231, and the second heat exchanger 320 is located in the second heat exchange cavity.
  • the third partition 230 has multiple bends, and the multiple bends can be at different angles, which is beneficial to saving installation space and reducing the volume of the whole fresh air machine.
  • the fresh air machine 1000 may also have different shapes according to the shape and size of the installation space.
  • the plane where the third partition 230 is located can also be parallel to the horizontal plane, then the first heat exchanger 310 and the second heat exchanger 320 are arranged along the direction (upper and lower directions) perpendicular to the bottom surface of the housing 200 .
  • the plane where the third partition 230 is located may also be at an angle to the bottom surface of the casing 200 , and the first heat exchanger 310 and the second heat exchanger 320 are respectively located on two sides of the third partition.
  • the fresh air machine 1000 also includes a plurality of conversion assemblies, for example, the fresh air machine 1000 includes two conversion assemblies, and the two conversion assemblies are a first conversion assembly 101 and a second conversion assembly 102 .
  • the first conversion assembly 101 and the second conversion assembly 102 are disposed in the indoor cavity and the outdoor cavity respectively.
  • the first conversion assembly 101 includes a conversion body 110 and a plurality of cover plates 103
  • the conversion body 110 includes a plurality of side plates connected in sequence, for example, the conversion body 110 includes four sides opposite to each other plate.
  • the four side plates enclose the circulation chamber 111 to facilitate air circulation in the circulation chamber 111 , and a plurality (for example, two) cover plates 103 are arranged oppositely and cover the circulation chamber 111 .
  • the conversion main body 110 has four ports, the four ports are the air inlet port 120, the air outlet port 130, the first heat exchange port 140 and the second heat exchange port 150, and the air inlet port 120 and the air outlet port 130 are arranged opposite to each other.
  • the port 120 is externally connected to the air inlet pipe 121
  • the air outlet port 130 is externally connected to the air outlet pipe 131 .
  • the first heat exchange port 140 and the second heat exchange port 150 are arranged on the cover plate 103, for example, the first heat exchange port 140 and the second heat exchange port 150 are along a direction perpendicular to the bottom surface of the casing 200 (upper and lower directions) arranged.
  • the air inlet port 120 in the first conversion assembly 101 located in the indoor cavity communicates with the indoor air return port 203 through the air inlet pipe 121 , and the air outlet port 130 communicates with the indoor air supply port 202 through the air outlet pipe 131 .
  • the air inlet port 120 on the second conversion assembly 102 located in the outdoor cavity communicates with the outdoor air inlet 201 through the air inlet pipe 121 , and the air outlet port 130 communicates with the outdoor air outlet 204 through the air outlet pipe 131 .
  • the first heat exchange port 140 communicates with the first heat exchange cavity 231
  • the second heat exchange port 150 communicates with the second heat exchange cavity 232 .
  • the air inlet port 120, the air outlet port 130, the first heat exchange port 140 and the second heat exchange port 150 can be respectively arranged on different side plates or cover plates, or can be respectively arranged on on the same side panel or cover.
  • the first conversion assembly 101 or the second conversion assembly 102 also includes a conversion valve 160, the conversion valve 160 is arranged in the flow chamber 111, the conversion valve 160 is rotatable, and the conversion valve 160 is used to connect the air inlet port 120 in each conversion assembly with the first One of the heat exchange port 140 or the second heat exchange port 150 is communicated, and the air outlet port 130 is communicated with the other in the first heat exchange port 140 or the second heat exchange port 150, so as to change the flow direction and The flow direction of the airflow.
  • the switching valve 160 includes a rotating shaft 161 and a switching element 162 .
  • the switch element 162 is connected with the rotating shaft 161 .
  • the switch member 162 rotates around the rotation shaft 161 along the inner wall of the side plate of the conversion body 110 .
  • the rotating shaft 161 rotates to drive the switch member 162 to rotate the first preset angle in the first direction (such as counterclockwise), so that the communication position of the air inlet port 120 Switching from the first heat exchange port 140 to the second heat exchange port 150 , the communication position of the air outlet port 130 is switched from the second heat exchange port 150 to the first heat exchange port 140 .
  • the rotating shaft 161 can also be rotated to drive the switch member 162 to rotate a second preset angle in a second direction (such as clockwise), so that the communication position of the air inlet port 120 is switched from the second heat exchange port 150 to the first heat exchange port 150.
  • the communication position of the heat port 140 and the air outlet port 130 is switched from the first heat exchange port 140 to the second heat exchange port 150 .
  • the conversion body 110 includes two cover plates 103 oppositely arranged.
  • the air inlet port 120 and the air outlet port 130 are located on the same cover plate 103 of the conversion body 110, and the first heat exchange port 140 and the second heat exchange port 150 are located on the other side opposite to the same cover plate 103 of the conversion body 110.
  • the rotating shaft 161 is coaxially connected with the converting body 110 .
  • the rotating shaft 161 drives the switch member 162 to rotate in the conversion body 110 to connect different ports on the two cover plates 103 .
  • the first conversion assembly 101 or the second conversion assembly 102 further includes a plurality of limit stops 170 , and the plurality of limit stoppers 170 are arranged on the inner wall of the conversion body 110
  • the surface of the inner wall of the side plate of the conversion main body 110 may be a plane.
  • the inner wall of the conversion main body 110 has two position-limiting barriers 170 respectively. According to the actual installation space conditions, each limit barrier 170 is located on the inner wall of the conversion body 110 on the side close to the air inlet port 120; One side of the second heat exchange port 150 .
  • the switch member 162 on the switching valve 160 turns to stop when it abuts against the limit barrier 170. 150 toggles.
  • the limit barrier 170 can reduce the resistance and friction generated during the rotation process of the switch part 162 relative to the inner wall of the conversion body 110 , making the rotation process smoother and reducing the noise generated during the rotation process of the switch part 162 .
  • the limit barrier 170 can also fix the switch part 162 at a preset position, so as to prevent the switch part 162 from being damaged under the action of wind pressure on both sides.
  • the fresh air machine 1000 also includes a plurality of air guiding parts 250 , for example, the fresh air machine 1000 includes two air guiding parts 250 .
  • the two air guiding parts 250 are respectively arranged on a side of the indoor cavity close to the indoor air return port 203 and a side of the outdoor cavity close to the outdoor air inlet 201 .
  • One end of the air guide part 250 is connected to the casing 200 , and the other end of the air guide part 250 is connected to the first conversion assembly 101 or the second conversion assembly 102 .
  • the air guide part 250 extends along the flow direction of the airflow, and plays a role of guiding the inflowing airflow, so as to prevent the inflowing airflow from colliding with the housing 200 to generate noise.
  • the fresh air blower 1000 also includes a plurality of mounting plates 240, the plurality of mounting plates 240 are arranged at the air inlet port 120 and the air outlet port 130, the mounting plate 240 has a mounting plate through hole 241, and the mounting plate through hole 241 is connected to the two conversion ports respectively.
  • the air inlet port 120 and the air outlet port 130 of the components are connected.
  • the installation plate 240 divides the indoor cavity into an indoor air supply area and an indoor air return area, and separates the outdoor cavity into an outdoor air intake area and an outdoor air supply area.
  • the indoor air supply area is located in the indoor side cavity close to the indoor air supply port.
  • the indoor air return area is located on the side of the indoor side cavity close to the indoor return air outlet 203
  • the outdoor air intake area is located on the side of the outdoor side cavity close to the outdoor air inlet 201
  • the outdoor air supply area is located on the outdoor side cavity close to the outdoor exhaust.
  • the installation plate 240 can fix the first conversion assembly 101 and the second conversion assembly 102 in the casing 200, so that the installation of the first conversion assembly 101 and the second conversion assembly 102 is more convenient, thereby improving installation efficiency.
  • the fresh air machine 1000 also includes a plurality of flow splitters 260 , for example, the fresh air fan 1000 includes two flow splitters 260 .
  • the two splitters 260 are respectively used to connect the third partition 230 with the first partition 210 or the second partition 220 .
  • the plane where the splitter 260 is located and the plane where the first partition 210 or the second partition 220 are located form a third preset angle.
  • the first partition 210 has two first through holes 211
  • the second partition 220 has two second through holes 221.
  • the two first through holes 211 or the two second through holes 221 are respectively The direction of the bottom surface of the body 200 (upper and lower directions) is arranged, the positions of the two first through holes 211 correspond to the positions of the first heat exchange port 140 and the second heat exchange port 150 of the outdoor conversion body respectively, and the positions of the two first through holes 211 The positions of the two through holes 221 correspond to the positions of the first heat exchange port 140 and the second heat exchange port 150 of the indoor conversion body respectively.
  • One of the two first through holes 211 or the two second through holes 221 is located within the orthographic projection of the splitter 260 on the first partition 210 or the second partition 220 .
  • the splitter 260 can guide the flow of the airflow at the corresponding first through hole 211 or the second through hole 221 to realize the first heat exchange port 140, the second heat exchange port 150 and the first heat exchange port 150.
  • the fresh air machine 1000 also includes an exhaust fan 410 and a blower 420 , the exhaust fan 410 is arranged at the outdoor air outlet 204 , and is used to drive the airflow in the airflow channel connected with the outdoor air outlet 204 to be exhausted from the outdoor air outlet 204 .
  • the air blower 420 is arranged at the indoor air supply port 202 , and is used to drive the airflow in the airflow channel communicated with the indoor air supply port 202 to be exhausted from the indoor air supply port 202 .
  • the fresh air machine also includes an adsorption piece 500, the first heat exchange chamber 231 and the second heat exchange chamber 232 are respectively provided with an adsorption piece 500, the adsorption piece 500 absorbs the moisture in the surrounding air when it is cold, and releases the absorbed moisture when it is heated. It absorbs moisture during dehumidification and releases moisture during humidification.
  • the outdoor air inlet 201 and the indoor air supply outlet 202 of the fresh air machine 1000 are located on the same side of the housing 200
  • the indoor air return outlet 203 and the outdoor air exhaust outlet 204 are located on the same side as the housing 200 . side opposite side.
  • the first heat exchange port 140 of the first conversion component 101 can also be connected to the second heat exchange cavity 232
  • the second heat exchange port 150 of the first conversion component 101 can also be connected to the first heat exchange cavity 231 .
  • the first heat exchange port 140 of the second conversion assembly 102 can still be connected to the first heat exchange chamber 231
  • the second heat exchange port 150 of the first conversion assembly 101 can be connected to the second heat exchange chamber 232 .
  • the first conversion assembly 101 further includes a blocking portion 180 .
  • the barrier part 180 includes a plurality of fixed parts, a movable part 182 and a first driving device 1831 .
  • the blocking part 180 includes two fixing parts, and the two fixing parts are respectively a first fixing part 1811 and a second fixing part 1812 .
  • the first fixing part 1811 and the second fixing part 1812 are intersected and fixed in the flow cavity 111 , and block the flow cavity 111 to form four sub-cavities.
  • the four sub-cavities of the first conversion component 101 are a first sub-cavity 1111 , a second sub-cavity 1112 , a third sub-cavity 1113 and a fourth sub-cavity 1114 .
  • the first sub-cavity 1111 communicates with the indoor air supply port through the air inlet port 120
  • the fourth sub-cavity 1114 communicates with the outdoor air exhaust port through the air outlet port 130
  • the second sub-cavity 1112 communicates with the first heat exchange port 140 through the first heat exchange port 140.
  • the cavity 231 is in communication
  • the third sub-cavity 1113 is in communication with the second heat exchange cavity 232 through the second heat exchange port 150 .
  • the intersection of the first fixing portion 1811 and the second fixing portion 1812 is a crossing portion 1814 .
  • the first fixing part 1811 or the second fixing part 1812 further includes a plurality of protrusions 1813 .
  • the protrusions 1813 are arranged in pairs, and multiple pairs of protrusions 1813 are arranged in sequence along the length direction of the first fixing part 1811 or the second fixing part 1812 .
  • the movable part 182 includes a plurality of guide rods 1821 and a plurality of louvers 1822 .
  • the plurality of guide rods 1821 includes a first sub-guide rod 18211 , a second sub-guide rod 18212 , a third sub-guide rod 18213 and a fourth sub-guide rod 18214 .
  • the first sub-guide rod 18211 and the second sub-guide rod 18212 are located on both sides of the first fixing part 1811 , and the length direction of the first sub-guide rod 18211 and the second sub-guide rod 18212 is parallel to the length direction of the first fixing part 1811 .
  • the third sub-guide rod 18213 and the fourth sub-guide rod 18214 are located on both sides of the second fixing part 1812 , and the length direction of the third sub-guide rod 18213 and the fourth sub-guide rod 18214 is parallel to the length direction of the second fixing part 1812 .
  • the first sub-guide rod 18211 is hinged with the third sub-guide rod 18213
  • the second sub-guide rod 18212 is hinged with the fourth sub-guide rod 18214 .
  • the plurality of louvers 1822 includes a plurality of first sub-louvers 18221 , a plurality of second sub-louvers 18222 , a plurality of third sub-louvers 18223 and a plurality of fourth sub-louvers 18224 .
  • the first sub-louver 18221 and the second sub-louver 18222 are located on the first fixing part 1811 , and the first sub-louver 18221 and the second sub-louver 18222 are arranged in sequence along the length direction of the first fixing part 1811 .
  • the third sub-louver 18223 and the fourth sub-louver 18224 are located on the second fixing part 1812 , and the third sub-louver 18223 and the fourth sub-louver 18224 are arranged along the length direction of the second fixing part 1812 .
  • One side of the first sub-louver 18221, the second sub-louver 18222, the third sub-louver 18223, and the fourth sub-louver 18224 are rotatably connected to the protrusions 1813, and a pair of protrusions 1813 is provided with a louver 1822 correspondingly.
  • a plurality of louvers 1822 can also be provided corresponding to the raised part 1813 , or one louver 1822 can be provided corresponding to multiple pairs of raised parts 1813 .
  • the other side of the first sub-louver 18221, the second sub-louver 18222, the third sub-louver 18223 and the fourth sub-louver 18224 and the first sub-guide rod 18211, the second sub-guide rod 18212, the third sub-guide rod 18213 and the fourth The sub guide rod 18214 is rotatably connected.
  • the orthographic projection positions of the first sub-louver 18221, the second sub-louver 18222, the third sub-louver 18223 and the fourth sub-louver 18224 on the first fixing part 1811 or the second fixing part 1812 have multiple openings 1815, a plurality of openings 1815 are arranged in sequence along the length direction of the first fixing part 1811 or the second fixing part 1812, so as to facilitate the circulation of airflow when the louvers are opened.
  • the transmission mechanism includes a first link 184 , as shown in FIG. 15 , the first link 184 has a first end 1841 and a second end 1842 .
  • the first connecting rod 184 is rotatably connected to the intersection portion 1814 .
  • the first end 1841 of the first connecting rod 184 is rotatably connected to the first sub-guiding rod 18211 and the second sub-guiding rod 18212, and the second end 1842 of the first connecting rod 184 is connected to the third sub-guiding rod 18213 and the fourth sub-guide rod 18214 are rotatably connected.
  • the first sub-guide rod 18211 , the second sub-guide rod 18212 , the third sub-guide rod 18213 , the fourth sub-guide rod 18214 and the first connecting rod 184 form a double rocker mechanism.
  • the double rocker mechanism can make the first sub-guide rod 18211, the second sub-guide rod 18212, the third sub-guide rod 18213 and the fourth sub-guide rod 18214 can be driven by the first connecting rod 184 to move along the first fixing part 1811 at the same time. Or the length direction of the second fixing part 1812 moves.
  • the first sub-louver 18221 and the second sub-louver 18222 are opened while the third sub-louver 18223 and the fourth sub-louver 18224 are closed, and the third sub-louver 18223 and the fourth sub-louver 18224 are opened while the first sub-louver 18221 is opened.
  • the effect of closing the second sub-louver 18222 is arranged.
  • the first driving device 1831 is disposed at the connection between the first connecting rod 184 and the intersection 1814 , and the first driving device 1831 can drive the first connecting rod 184 to rotate clockwise or counterclockwise, thereby driving multiple guide rods 1821 to move simultaneously.
  • the first driving device 1831 drives the first connecting rod 184 to rotate in the first direction (such as counterclockwise), driven by the first connecting rod 184, the first sub-guiding rod 18211 and the second The sub-guide rod 18212, the third sub-guide rod 18213 and the fourth sub-guide rod 18214 respectively drive the first sub-louver 18221, the second sub-louver 18222, the third sub-louver 18223 and the fourth sub-louver 18224 to wind around the protrusion 1813
  • the connecting shaft rotates counterclockwise.
  • the first connecting rod 184 rotates counterclockwise to the first extreme position, and the The third sub-louver 18223 and the fourth sub-louver 18224 cover the opening 1815 , that is, the third sub-louver 18223 and the fourth sub-louver 18224 on the second fixing part 1812 are closed.
  • the first sub-louver 18221 and the second sub-louver 18222 on the first fixing part 1811 form the largest angle with the first fixing part 1811, that is, the first sub-louver 18221 and the second sub-louver 18222 on the first fixing part 1811 open.
  • the first driving device 1831 drives the first connecting rod 184 to rotate in the second direction (such as clockwise), driven by the first connecting rod 184, the first sub-guide rod 18211, the second sub-guide rod 18212, the second
  • the third sub-guiding rod 18213 and the fourth sub-guiding rod 18214 drive the first sub-louver 18221, the second sub-louver 18222, the third sub-louver 18223 and the fourth sub-louver 18224 respectively around the connecting shaft with the raised part 1813 in a clockwise direction turn.
  • first sub-guide rod 18211 and the second sub-guide rod 18212 are attached to the first fixing part 1811 .
  • the first connecting rod 184 rotates clockwise to the second limit position.
  • the first sub-louver 18221 and the second sub-louver 18222 on the first fixing part 1811 cover the opening 1815, that is, they are located on the first fixing part 1811
  • the first sub-louver 18221 and the second sub-louver 18222 on the top are closed.
  • the third sub-louver 18223 and the fourth sub-louver 18224 form a maximum angle with the second fixing part 1812 , that is, the third sub-louver 18223 and the fourth sub-louver 18224 on the second fixing part 1812 are opened.
  • only one driving device can realize the effect of communicating or closing multiple sub-cavities, which is beneficial to reduce the cost.
  • the fresh air blower 1000 has two driving devices, as shown in FIGS. 16 to 18 , which are the second driving device 1832 and the third driving device 1833 respectively.
  • the second driving device 1832 and the third driving device 1833 are respectively located on two sides of the intersection 1814 .
  • connecting rods there are multiple connecting rods.
  • there are two connecting rods which are respectively the second connecting rod 185 and the third connecting rod 186.
  • the second connecting rod 185 includes an A end and a B end, and the third connecting rod 186 includes a C end and a D end.
  • the second connecting rod 185 is rotatably connected to the second driving device 1832
  • the third connecting rod 186 is rotatably connected to the third driving device 1833 .
  • End A of the second connecting rod 185 is rotatably connected to the first sub-guiding rod 18211
  • end B of the second connecting rod 185 is rotatably connected to the second sub-guiding rod 18212
  • the first sub-guide rod 18211, the second sub-guide rod 18212 and the second connecting rod 185 form a rocker mechanism.
  • the C end of the third connecting rod 186 is rotatably connected to the third sub-guiding rod 18213
  • the D end of the third connecting rod 186 is rotatably connected to the fourth sub-guiding rod 18214 .
  • the third sub-guide rod 18213, the fourth sub-guide rod 18214 and the second sub-link form a rocker mechanism.
  • the second connecting rod 185 or the third connecting rod 186 no longer drives the first sub-guiding rod 18211 , the second sub-guiding rod 18212 , the third sub-guiding rod 18213 and the fourth sub-guiding rod 18214 to move simultaneously.
  • the second connecting rod 185 only drives the first sub-guiding rod 18211 and the second sub-guiding rod 18212 to move simultaneously
  • the third connecting rod 186 only drives the third sub-guiding rod 18213 and the fourth sub-guiding rod 18214 to move simultaneously.
  • the first sub-guiding rod 18211 and the second sub-guiding rod 18212 respectively drive the first sub-louver 18221 and The second sub-louver 18222 moves clockwise.
  • the second connecting rod 185 rotates to the position where it is attached to the second fixing part 1812, the first sub-louver 18221 and the second sub-louver 18222 form the largest angle with the first fixing part 1811, and at this time they are located on the first fixing part 1811
  • the first sub-louver 18221 and the second sub-louver 18222 are opened simultaneously.
  • the third connecting rod 186 rotates in the first direction (such as counterclockwise), driven by the third connecting rod 186, the third sub-guiding rod 18213 and the fourth sub-guiding rod 18214 Drive the third sub-louver 18223 and the fourth sub-louver 18224 to move counterclockwise.
  • the third connecting rod 186 rotates to be in contact with the second fixing part 1812, the third sub-louver 18223 and the fourth sub-louver 18224 cover the opening 1815 of the second fixing part 1812, and at this time they are located in the second fixing part 1812
  • the third sub-louver 18223 and the fourth sub-louver 18224 are closed simultaneously.
  • the third connecting rod 186 rotates in the second direction (such as clockwise), driven by the third connecting rod 186, the third sub-guiding rod 18213 and the fourth sub-guiding rod 18214 drive the third sub-louver 18223 and the second
  • the four sub-louver 18224 moves clockwise.
  • the third connecting rod 186 rotates to fit with the first fixing part 1811, the third sub-louver 18223 and the fourth sub-louver 18224 form the largest angle with the second fixing part 1812.
  • the third sub-louver 18223 and the fourth sub-louver 18224 are opened simultaneously.
  • the outdoor wind passes through the first The heat exchange chamber 231 and the indoor air supply port 202 reach the room, and the indoor air flows from the indoor air return port 203 through the second heat exchange chamber 232 and the outdoor air exhaust port 204 to the outside.
  • the second driving device 1832 and the third driving device 1833 respectively control the asynchronous action of the louvers 1822 on the first fixing part 1811 and the second fixing part 1812, that is, the second driving device 1832 (or the second driving device 1832) After the three driving devices 1833) close the corresponding louvers 1822, the third driving device 1833 (or the second driving device 1832) controls the opening of the louvers 1822 again, which can ensure that the first conversion assembly 101 or the second conversion assembly 102 is in the switching state. Sometimes there will be no simultaneous connection of four channels, which improves the airtightness of the fresh air blower 1000.
  • the indoor air supply port 202 and the indoor air return port 203 are located on the side where the first conversion assembly 101 is located, and the outdoor air inlet and outdoor air outlet are located on the side where the second conversion assembly 102 is located.
  • the first heat exchange port 140 of the first conversion component 101 communicates with the second heat exchange cavity 232
  • the second heat exchange port 150 of the first conversion component 101 communicates with the first heat exchange cavity 231 .
  • the fresh air machine 1000 has an air volume adjustment function.
  • the conversion main body 110 of the first conversion assembly 101 is a cylindrical structure.
  • the air inlet port 120 and the air outlet port 130 of the first conversion assembly 101 are oppositely set on the cylindrical surface of the cylindrical structure, and the first heat exchange port 140 and the second heat exchange port 150 are opened on the bottom surface of the cylindrical structure.
  • the first fixed part 1811 or the second fixed part 1812 can rotate around the axis where the first fixed part 1811 and the second fixed part 1812 intersect 1814.
  • the first fixed part 1811 can rotate around the first fixed part 1811 and the second fixed part 1811.
  • the axis on which portion 1812 intersects portion 1814 rotates.
  • the barrier part 180 also includes a plurality of first baffle plates 18111 and a plurality of second baffle plates 18112, for example, the barrier part 180 includes two first baffle plates 18111 and two second baffle plates Bezel 18112. Two first baffles 18111 are set opposite to each other, and two second baffles 18112 are set opposite to each other. The first baffle 18111 and the second baffle 18112 are located on the bottom surface of the first converting assembly 101 .
  • the first baffle 18111 is connected to the first fixing part 1811 , and driven by the first fixing part 1811 , the first baffle 18111 can rotate clockwise or counterclockwise around the center of the bottom surface.
  • the second baffle 18112 is connected to the second fixing part 1812, and the second baffle 18112 is fixed on the bottom surface.
  • the area of the two first baffles 18111 may be equal to the area of the orthographic projection of the second baffle 18112 on the bottom surface of the first conversion assembly 101 . At this time, no cover plate is installed on the bottom surface of the first conversion assembly 101, and the openings of the first heat exchange port and the second heat exchange port can be increased or decreased.
  • the side of the first baffle 18111 connected to the first fixing part 1811 is F
  • the side of the second baffle 18112 connected to the second fixing part 1812 is N
  • the side of the second baffle 18112 is connected to the side
  • the opposite side of side N is M.
  • the openings of the first heat exchange port 140 and the second heat exchange port 150 become larger.
  • the opening degree is the largest.
  • the fresh air machine 1000 has the function of controlling the micro positive pressure in the room.
  • the fresh air volume needs to be slightly greater than the exhaust air volume.
  • the exhaust air volume can be reduced by reducing the opening of the port through which the exhaust air flow flows. .
  • the fresh air machine 1000 includes two flaps that are set independently of each other, namely a first flap 18111A and a second flap 18111B.
  • the first blocking piece 18111A and the second blocking piece 18111B are located on the bottom surface of the conversion body 110 .
  • the side F1 of the first blocking piece 18111A is connected with the upper half of the first fixing part 1811 (the part located in the third subcavity 1113), and the other side F2 of the second blocking piece 18111B is connected with the lower part of the first fixing part 1811.
  • the halves (the part located in the second subcavity 1112) are connected.
  • the driving device can drive the first blocking piece 18111A and the second blocking piece 18111B to rotate around the axis where the intersection portion 1814 of the first fixing portion 1811 and the second fixing portion 1812 is located.
  • the openings of the ports through which the fresh air flow and the exhaust air flow flow can be independently adjusted.
  • the fresh air fan can realize the slight positive pressure by keeping the fresh air volume constant, that is, keeping the opening degree of the port through which the air intake air flow is constant, and reducing the opening degree of the port through which the exhaust air flow flows. way to achieve.
  • the first blocking piece 18111A and the second blocking piece 18111B first rotate to a predetermined position, and the second blocking piece 18111B continues to rotate counterclockwise at a sixth preset angle, so that the air volume entering the chamber is slightly larger than that of the exiting chamber
  • the air volume of the wind can achieve the effect of indoor micro-positive pressure.
  • the fresh air machine 1000 further includes a compressor 330 , a four-way valve 340 , a first heat exchanger 310 , a second heat exchanger 320 and an electronic expansion valve 350 .
  • the sequentially connected compressor 330, four-way valve 340, first heat exchanger 310, electronic expansion valve 350 and second heat exchanger 320 form a refrigerant circuit, and the refrigerant circulates in the refrigerant circuit and passes through the first heat exchange circuit.
  • the heat exchanger 310 and the second heat exchanger 320 exchange heat with the air respectively, so as to realize the cooling mode or the heating mode of the fresh air blower 1000 .
  • the compressor 330 is configured to compress refrigerant such that the low pressure refrigerant is compressed to form high pressure refrigerant.
  • the first heat exchanger 310 and the second heat exchanger 320 are configured to exchange heat between the air in the first heat exchange chamber 231 and the refrigerant transported in the first heat exchanger 310 , or to exchange heat between the air in the first heat exchange chamber 232
  • the air in the air exchanges heat with the refrigerant conveyed in the second heat exchanger 320 .
  • the first heat exchanger 310 works as a condenser in the cooling mode of the fresh air blower 1000, so that the refrigerant compressed by the compressor 330 dissipates heat to the air in the first heat exchange chamber 231 through the first heat exchanger 310 And condensation.
  • the first heat exchanger 310 works as an evaporator in the heating mode of the fresh air blower 1000 , so that the decompressed refrigerant absorbs the heat of the air in the first heat exchange chamber 231 through the first heat exchanger 310 and evaporates.
  • the first heat exchanger 310 and the second heat exchanger 320 further include heat exchange fins to expand the contact area between the air and the refrigerant transported in the first heat exchanger 310, thereby improving the first heat exchanger 310.
  • the electronic expansion valve 350 is connected between the first heat exchanger 310 and the second heat exchanger 320, and the pressure of the refrigerant flowing through the first heat exchanger 310 and the second heat exchanger 320 is adjusted by the opening of the electronic expansion valve 350 , so as to adjust the flow rate of refrigerant circulating between the first heat exchanger 310 and the second heat exchanger 320 .
  • the flow rate and pressure of the refrigerant circulating between the outdoor heat exchanger and the indoor heat exchanger 400 will affect the heat exchange performance of the outdoor heat exchanger and the indoor heat exchanger 400 .
  • the expansion valve 205 may be an electronic valve. The opening of the expansion valve 205 can be adjusted to control the flow and pressure of the refrigerant flowing through the expansion valve 205 .
  • the four-way valve 340 is connected in the refrigerant circuit, and the four-way valve 340 is configured to switch the flow direction of the refrigerant in the refrigerant circuit so that the fresh air blower 1000 performs a cooling mode or a heating mode.
  • the fresh air machine 1000 further includes a controller 190 .
  • the controller 190 is coupled to the driving device and the four-way valve 340, and the controller 190 is configured to: control the driving device to switch the communication state between the sub-cavities, and/or, control the four-way valve 340 to switch the first heat exchanger 310 and the second heat exchanger 320 in which the refrigerant flows, so that the heating mode or cooling mode of the first heat exchanger 310 and the second heat exchanger 320 matches the operation mode of the fresh air blower 1000 .
  • the controller 190 is able to connect the outdoor air exhaust port 204 with one of the first heat exchange chamber 231 and the second heat exchange chamber 232 by controlling the four sub-cavities of the first conversion assembly 101 to communicate with each other.
  • the first heat exchange chamber 231 communicates with the other of the second heat exchange chamber 232 .
  • the controller 190 can connect the outdoor air inlet 201 with one of the first heat exchange chamber 231 and the second heat exchange chamber 232 by controlling the four sub-chambers of the second conversion assembly 102 to communicate with each other.
  • One heat exchange cavity 231 communicates with the other of the second heat exchange cavity 232 .
  • the controller 190 passively receives signals to determine that the first conversion component 101 and/or the second conversion component 102 need to change directions, or the controller 190 determines the first conversion component 102 by receiving a detection signal.
  • the conversion component 101 and/or the second conversion component 102 need to change direction, control the first conversion component 101 and/or the second conversion component 102 to change direction.
  • control method for the controller 190 to control the first conversion assembly 101 and/or the second conversion assembly 102 may be: determine the operating mode of the fresh air machine 1000 and the current position of the multiple louvers 1822 of each movable part 182 open state, and determine the matching state between the open state of the plurality of louvers 1822 of each movable part 182 and the operation mode of the fresh air machine 1000 .
  • the controller 190 controls the corresponding plurality of louvers 1822 to rotate, and the first conversion assembly 101 or the second conversion assembly 102 performs direction change.
  • the reversing steps of the controller 190 controlling the first switching assembly 101 or the second switching assembly 102 may include steps S11 to S13.
  • Step S11 acquiring the current opening degrees of the plurality of shutters 1822 and the target opening degrees of the shutters 1822 .
  • Step S12 according to the current opening degrees of the plurality of shutters 1822 and the target opening degrees of the shutters 1822 , determine the rotation direction and rotation angle of the corresponding driving device.
  • Step S13 controlling the rotation of the driving device according to the determined rotation direction and rotation angle.
  • a manner of determining the opening degrees of the plurality of louvers 1822 of each movable part 182 at present may be to query the opening degrees of the plurality of louvers 1822 of each movable part 182 recorded in the memory.
  • the control method of the controller 190 further includes the step of controlling all the shutters 1822 to reset, and the controller 190 controls the driving device to rotate all the shutters 1822 to the reset position.
  • the reset position can be set such that the first sub-louver 18221 and the second sub-louver 18222 are open, the third sub-louver 18223 and the fourth sub-louver 18224 are closed, or the first sub-louver 18221 and the second sub-louver 18222 are closed, and the third sub-louver 18223 is closed.
  • the shutter 18223 and the fourth sub-louver 18224 are opened.
  • first sub-louver 18221, the second sub-louver 18222, the third sub-louver 18223 and the fourth sub-louver 18224 are opened at the same time, or the first sub-louver 18221, the second sub-louver 18222, the third sub-louver 18223 and the fourth sub-louver
  • the shutters 18224 are closed at the same time.
  • the reset position is used as the current position of the shutters 1822 of each movable part 182 .
  • the driving device in the step can be the first driving device 1831, the second driving device 1832 or the third driving device 1833, the first driving device 1831 simultaneously drives the louvers 1822 in the first fixing part 1811 and the second fixing part 1812, the second The second driving device 1832 and the third driving device 1833 correspondingly drive the shutters 1822 in the first fixing part 1811 and the second fixing part 1812 respectively.
  • the control method for the controller 190 to adjust the opening of the port through which the air intake air flows includes steps S21 to S23. Step S21, obtaining the target air volume and the current air volume;
  • the target air volume and the current air volume can be judged by the change of wind gear and the amount of wind gear change.
  • the change amount of the windshield may be triggered by a user adjustment, or may be automatically adjusted by the controller 190 .
  • the amount of change of the windshield can be increased or decreased.
  • the amount of wind gear change refers to how many gears are adjusted up or down from the current gear.
  • Step S22 determining the rotation direction and rotation angle of the driving device according to the target air volume and the current air volume.
  • step S22 it can be understood that when the air volume needs to be increased, the opening of the port through which the air intake air flows needs to be increased. Conversely, when the air volume needs to be reduced, the opening of the port through which the air intake air flows needs to be reduced.
  • Determining the rotation direction and rotation angle of the driving device may be determined by the rotation direction and rotation angle of the first fixing part 1811 .
  • the opening adjustment state of the port corresponding to the rotation direction and rotation angle of the first fixing part 1811 has been determined.
  • Step S23 controlling the rotation direction and rotation angle of the driving device according to the determined rotation direction and rotation angle.
  • the control method for the controller 190 to adjust the opening degree of the port may include steps S24 to S26.
  • Step S24 acquiring the target positions of the multiple first barriers 18111 and the current positions of the multiple first barriers 18111.
  • Step S25 according to the target positions of the multiple first baffles 18111 and the current positions of the multiple first baffles 18111 , determine the rotation direction and the rotation angle of the driving device.
  • Step S26 controlling the driving device to rotate according to the determined rotation direction and rotation angle.
  • the limit function is activated.
  • the limit function can be realized by the limit barrier 170, and the limit barrier 170 can be opened or closed. For example, when the first fixing part 1811 reaches the specified position, the limit stopper 170 is opened, and when the first fixing part 1811 needs to rotate, the limit stopper 170 is closed.
  • the first fixing part 1811 releases the limit, and then rotates in the second direction (eg, clockwise) to the reset state. Then the louvers 1822 of the movable part 182 corresponding to the first fixed part 1811 are opened, and the louvers 1822 corresponding to the second fixed part 1812 are closed, so as to realize the interchange of the heat exchange chambers through which the air intake and exhaust air flow.
  • control method for the controller 190 to control the opening of the port in the micro positive pressure mode may be to determine the sub-cavity through which the exhaust air flow flows, which is the sub-cavity to be adjusted.
  • the controller 190 controls the rotation of the first stopper 18111A or the second stopper 18112B connected to the first fixing part 1811 located in the subcavity to be adjusted, and the rotation direction is the first stopper 18111A or the second stopper of the subcavity to be adjusted.
  • the direction in which the area of the orthographic projection of 18112B on the cover plate 103 increases is the direction in which the opening of the port through which the exhaust air flow flows is reduced.
  • the opening degree of the port through which the exhaust air flow flows can be kept unchanged, and the opening degree of the port through which the air intake air flow flows is increased to achieve a slight positive pressure.
  • the first heat exchange port 140 of the first conversion assembly 101 is connected to the first heat exchange chamber 231
  • the second heat exchange port 150 of the first conversion assembly 101 is connected to the second heat exchange chamber 232
  • the second conversion assembly 102 The first heat exchange port 140 of the second conversion assembly 102 is connected to the first heat exchange chamber 231
  • the second heat exchange port 150 of the second conversion assembly 102 is connected to the second heat exchange chamber 232 as an initial state to illustrate some operating modes of the fresh air blower 1000, for example Cooling mode, heating mode, dehumidification mode and humidification mode.
  • the intake air flows through the heat exchange cavity where the evaporator is located, and the exhaust air flow flows through the heat exchange cavity where the condenser is located.
  • the intake air flows through the heat exchange cavity where the condenser is located, and the exhaust air flow flows through the heat exchange cavity where the evaporator is located.
  • the flow direction of the intake air flow and the exhaust air flow is the same as that in the cooling mode.
  • the adsorbent absorbs moisture and reaches saturation, the flow direction of the refrigerant, the intake air flow and the exhaust air flow are switched simultaneously.
  • the flow direction of the air intake and exhaust air is the same as that in the heating mode.
  • the flow direction of the refrigerant, the air intake air and the exhaust air flow are switched at the same time.
  • the controller 190 controls the flow direction of the refrigerant in the four-way valve 340 , the first heat exchanger 310 serves as an evaporator, and the second heat exchanger 320 serves as a condenser.
  • the controller 190 controls the driving device to connect the air inlet port 120 of the second conversion assembly 102 with the first heat exchange port 140 , and connect the second heat exchange port 150 of the second conversion assembly 102 with the air outlet port 130 .
  • the air inlet port 120 of the first conversion assembly 101 is communicated with the second heat exchange port 150 , and the first heat exchange port 140 of the first conversion assembly 101 is communicated with the air outlet port 130 .
  • the circulation path of the air inlet air is: outdoor air inlet 201, air inlet port 120 (outdoor), first heat exchange port 140 (outdoor), first heat exchange chamber 231 (evaporator), first heat exchange port 140 (indoor ), air outlet port 130 (indoor), indoor air supply port 202.
  • the air that enters the room from outside releases heat to the refrigerant to cool down in this path.
  • the circulation path of the exhaust air flow is: indoor air return port 203, air inlet port 120 (indoor), second heat exchange port 150 (indoor), second heat exchange chamber 232 (condenser), second heat exchange port 150 (outdoor ), air outlet port 130 (outdoor), outdoor air outlet 204.
  • the return air discharged from the room to the outside absorbs the heat released by the refrigerant in this path and heats up.
  • the flow direction of the refrigerant can be changed independently, and the channel through which the air intake air passes remains unchanged. Or switch the flow direction of the air intake separately, and the flow direction of the refrigerant remains unchanged. In the present disclosure, the flow direction of the refrigerant is not changed as an example for illustration.
  • the first heat exchanger 310 still works as an evaporator
  • the second heat exchanger 320 works as a condenser.
  • the controller 190 controls to connect the air inlet port 120 of the second conversion assembly 102 with the second heat exchange port 150 , and connect the first heat exchange port 140 of the second conversion assembly 102 with the air outlet port 130 .
  • the air inlet port 120 of the first conversion assembly 101 is communicated with the first heat exchange port 140
  • the second heat exchange port 150 of the first conversion assembly 101 is communicated with the air outlet port 130 .
  • the circulation path of the air intake air is: outdoor air inlet 201, air inlet port 120 (outdoor), second heat exchange port 150 (outdoor), second heat exchange cavity 232 (condenser), second heat exchange port 150 (indoor ), air outlet port 130 (indoor), indoor air supply port 202.
  • the air that enters the room from the outside absorbs the heat released by the refrigerant in this path and heats up.
  • the circulation path of the exhaust air flow is: indoor air return port 203, air inlet port 120 (indoor), first heat exchange port 140 (indoor), first heat exchange cavity 231 (evaporator), first heat exchange port 140 (outdoor ), air outlet port 130 (outdoor), outdoor air outlet 204.
  • the return air discharged from the room to the outside releases heat to the refrigerant to cool down in this path.
  • the adsorbent 500 is arranged on the surfaces of the first heat exchanger 310 and the second heat exchanger 320 in the form of block, sheet, mesh wrapped particles and the like.
  • the adsorbent 500 can be placed in layers or attached to the surface of the first heat exchanger 310 or the second heat exchanger 320 in the form of coating.
  • the intake air flows through the heat exchange chamber where the evaporator is located, and the exhaust air flow flows through the heat exchange chamber where the condenser is located. That is to say, in this mode, the flow direction of the air intake is the same as that in the cooling mode.
  • the first heat exchange port 140 of the first conversion assembly 101 shown in FIG. The port 150 communicates with the second heat exchange chamber 232 where the second heat exchanger 320 is located, the first heat exchanger 310 is used as an evaporator, and the second heat exchanger 320 is used as a condenser for illustration.
  • the refrigerant in the first heat exchanger 310 absorbs the heat in the air, and the moisture in the air condenses into water droplets, which are absorbed by the adsorption member 500 provided by the evaporator, and the wind entering from the outside is dried and delivered to the room.
  • the refrigerant in the second heat exchanger 320 releases heat to the surrounding air, and the moisture in the adsorbent 500 of the condenser is evaporated, released into the air, and taken out to the outside by the airflow discharged to the outdoor direction.
  • the controller 190 passes Control the reversing of the first conversion assembly 101 or the second conversion assembly 102, so that the intake air flow passes through the second heat exchange chamber 232, and the exhaust air flow passes through the first heat exchange chamber 231.
  • the controller 190 controls the reversing of the refrigerant, so that the second The heat exchanger 320 is an evaporator, and the first heat exchanger 310 is a condenser.
  • the wind coming in from outside is sent to the room after being dehumidified and dried by the adsorption member 500 of the second heat exchanger 320 .
  • the intake air flows through the heat exchange chamber where the condenser is located, and the exhaust air flow flows through the heat exchange chamber where the evaporator is located. That is to say, in this mode, the flow direction of the air intake is the same as that in the heating mode.
  • the first heat exchanger 310 shown in Figure 28 is still used as an evaporator, and the second heat exchanger 320 is used as a condenser as an example.
  • the controller 190 controls to connect the air inlet port 120 of the second conversion assembly 102 with the second heat exchange port 150 , and connect the first heat exchange port 140 of the second conversion assembly 102 with the air outlet port 130 .
  • the air inlet port 120 of the first conversion assembly 101 is communicated with the first heat exchange port 140
  • the second heat exchange port 150 of the first conversion assembly 101 is communicated with the air outlet port 130 .
  • the controller 190 controls the first conversion assembly 101 or the second conversion assembly 102 to change direction, so that the air intake air flow Through the first heat exchange chamber 231, the first heat exchanger 310 is switched to function as a condenser at the same time, and the adsorption element 500 of the first heat exchanger 310 continues to release moisture into the fresh air.
  • the controller 190 is also configured to obtain the adsorption capacity of the adsorption member 500 or obtain the humidity of the fresh air input into the room. humidity; or, in the humidification mode, when the release capacity of the condenser 500 decreases or the humidity of the fresh air input into the room is lower than the second preset humidity, the controller 190 controls the four-way valve to switch the flow direction of the refrigerant, and at the same time, controls The controller 190 controls the commutation of the first conversion component 101 and the second conversion component 102 .
  • the first preset humidity is smaller than the second preset humidity.
  • the adsorption capacity or release capacity of the adsorption member 500 can be determined by the duration of the intake air flow passing through the same heat exchange chamber continuously. The longer the time for the incoming air flow to pass through the same heat exchange chamber continuously, the lower the adsorption capacity or release capacity of the adsorption member 500 .
  • the fresh air blower 1000 of the present disclosure has a simple structure and low manufacturing cost.
  • the control logic of the controller 190 is simple and easy to implement.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)

Abstract

L'invention concerne un ventilateur d'air frais. Le ventilateur d'air frais comprend un boîtier, une première partie de séparation, une deuxième partie de séparation, une troisième partie de séparation, un premier échangeur de chaleur, un second échangeur de chaleur, une pluralité d'éléments d'adsorption, un premier ensemble de conversion et un second ensemble de conversion. La pluralité d'éléments d'adsorption sont disposés sur la surface du premier échangeur de chaleur et la surface du second échangeur de chaleur et la pluralité d'éléments d'adsorption sont conçus pour adsorber l'humidité dans l'air environnant lors du refroidissement et libérer l'eau adsorbée lors du chauffage. Le premier échangeur de chaleur est disposé dans une première cavité d'échange de chaleur; le second échangeur de chaleur est disposé dans une seconde cavité d'échange de chaleur; le premier ensemble de conversion ou le second ensemble de conversion est pourvu de quatre orifices et les quatre orifices sont respectivement un orifice d'entrée d'air, un orifice de sortie d'air, un premier orifice d'échange de chaleur et un second orifice d'échange de chaleur; les quatre orifices du premier ensemble de conversion sont respectivement en communication avec une sortie d'air extérieur, une ouverture d'alimentation en air intérieur, la première cavité d'échange de chaleur et la seconde cavité d'échange de chaleur; les quatre orifices du second ensemble de conversion sont respectivement en communication avec une entrée d'air extérieur, une ouverture de retour d'air intérieur, la première cavité d'échange de chaleur et la seconde cavité d'échange de chaleur; et le premier ensemble de conversion ou le second ensemble de conversion est conçu pour commuter l'état de communication parmi les quatre orifices, de telle sorte que l'entrée d'air extérieur et l'ouverture d'alimentation en air intérieur soient en communication avec une cavité parmi la première cavité d'échange de chaleur et la seconde cavité d'échange de chaleur et l'ouverture de retour d'air intérieur et la sortie d'air extérieur soient en communication avec l'autre cavité parmi la première cavité d'échange de chaleur et la seconde cavité d'échange de chaleur.
PCT/CN2022/123549 2022-01-27 2022-09-30 Ventilateur d'air frais WO2023142515A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280064116.4A CN118056097A (zh) 2022-01-27 2022-09-30 新风机

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN202210102418.8A CN116557960A (zh) 2022-01-27 2022-01-27 新风装置
CN202210101066.4A CN116557955A (zh) 2022-01-27 2022-01-27 新风装置
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CN117450092A (zh) * 2023-12-25 2024-01-26 珠海格力电器股份有限公司 风机装置、出风结构和空调器

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WO2020255311A1 (fr) * 2019-06-19 2020-12-24 三菱電機株式会社 Dispositif de ventilation de type à échange de chaleur
CN113803808A (zh) * 2021-09-10 2021-12-17 青岛海信日立空调系统有限公司 新风处理装置及空调器
CN216814369U (zh) * 2022-01-27 2022-06-24 青岛海信日立空调系统有限公司 新风机
CN216814501U (zh) * 2022-01-27 2022-06-24 青岛海信日立空调系统有限公司 新风机
CN217082837U (zh) * 2022-03-31 2022-07-29 青岛海信日立空调系统有限公司 一种空气调湿装置
CN217082836U (zh) * 2022-03-31 2022-07-29 青岛海信日立空调系统有限公司 一种空气调湿装置
CN217154515U (zh) * 2022-04-20 2022-08-09 青岛海信日立空调系统有限公司 一种风道切换装置和新风系统

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JPH0593536A (ja) * 1991-10-03 1993-04-16 Mitsubishi Electric Corp 換気装置
WO2020255311A1 (fr) * 2019-06-19 2020-12-24 三菱電機株式会社 Dispositif de ventilation de type à échange de chaleur
CN113803808A (zh) * 2021-09-10 2021-12-17 青岛海信日立空调系统有限公司 新风处理装置及空调器
CN216814369U (zh) * 2022-01-27 2022-06-24 青岛海信日立空调系统有限公司 新风机
CN216814501U (zh) * 2022-01-27 2022-06-24 青岛海信日立空调系统有限公司 新风机
CN217082837U (zh) * 2022-03-31 2022-07-29 青岛海信日立空调系统有限公司 一种空气调湿装置
CN217082836U (zh) * 2022-03-31 2022-07-29 青岛海信日立空调系统有限公司 一种空气调湿装置
CN217154515U (zh) * 2022-04-20 2022-08-09 青岛海信日立空调系统有限公司 一种风道切换装置和新风系统

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Publication number Priority date Publication date Assignee Title
CN117450092A (zh) * 2023-12-25 2024-01-26 珠海格力电器股份有限公司 风机装置、出风结构和空调器
CN117450092B (zh) * 2023-12-25 2024-04-16 珠海格力电器股份有限公司 风机装置、出风结构和空调器

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