CN112413737A - Fresh air conditioner and control method thereof - Google Patents
Fresh air conditioner and control method thereof Download PDFInfo
- Publication number
- CN112413737A CN112413737A CN202011346361.3A CN202011346361A CN112413737A CN 112413737 A CN112413737 A CN 112413737A CN 202011346361 A CN202011346361 A CN 202011346361A CN 112413737 A CN112413737 A CN 112413737A
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- Prior art keywords
- air conditioner
- fan assembly
- shaft
- fresh air
- fan
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
- F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
Abstract
The invention provides a fresh air conditioner and a control method thereof, wherein the fresh air conditioner comprises a shell, a first air opening corresponding to an indoor space and a second air opening corresponding to an outdoor space are formed in the shell, the first air opening and the second air opening are communicated through an air flow channel, a fan assembly is arranged in the air flow channel, the fan assembly comprises a fan and a first motor used for driving the fan to rotate, the fan assembly is provided with a first position for driving air flow to be blown out from the first air opening and a second position for driving air flow to be blown out from the second air opening, and the fresh air conditioner further comprises a position switching device used for driving the fan assembly to be switched between the first position and the second position. According to the invention, the fan assembly can be controlled to face the indoor side or the outdoor side, and the fresh air introduction and the indoor air exhaust of the fresh air conditioner can be realized by adopting a single fan, so that the structure of the fresh air conditioner is simplified, and the manufacturing cost of the fresh air conditioner is reduced.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to a fresh air conditioner and a control method thereof.
Background
Compared with the traditional air conditioning system, the fresh air function air conditioner is more and more favored by consumers in recent years. The new trend air conditioner in existing market adopts a plurality of fans to realize that the new trend is introduced and the return air is aired exhaust mostly, and is concrete, adopts solitary new trend fan to introduce outdoor new trend indoor, adopts the return air fan to discharge indoor dirty air to outdoor, sets up corresponding new trend passageway and return air exhaust passageway in the corresponding air conditioner, makes the inner structure of air conditioner relatively complicated on the one hand like this, and on the other hand makes the manufacturing cost of air conditioner high owing to a plurality of fans of configuration respectively.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a fresh air conditioner and a control method thereof, wherein a fan assembly can be controlled to face an indoor side or an outdoor side, and a single fan can be adopted to realize fresh air introduction and indoor air exhaust of the fresh air conditioner, so that the structure of the fresh air conditioner is simplified, and the manufacturing cost of the fresh air conditioner is reduced.
In order to solve the above problems, the present invention provides a fresh air conditioner, including a housing, wherein a first air opening corresponding to an indoor space and a second air opening corresponding to an outdoor space are configured on the housing, the first air opening and the second air opening are communicated through an air flow channel, a fan assembly is disposed in the air flow channel, the fan assembly includes a fan and a first motor for driving the fan to rotate, the fan assembly has a first position for driving an air flow to be blown out from the first air opening and a second position for being blown out from the second air opening, and further includes a position switching device for driving the fan assembly to be switched between the first position and the second position.
Preferably, the position switching device comprises a second motor, the second motor is a rotary motor, the fan assembly is provided with a mounting bracket, and a power output shaft of the second motor is in driving connection with the mounting bracket.
Preferably, the housing includes a bottom plate, the second motor is fixedly connected to the bottom plate, and the mounting bracket is fixedly connected to a power output shaft of the second motor.
Preferably, the first motor has a power output shaft, the fan is sleeved on the power output shaft, and the power output shaft can extend and retract in the axial direction.
Preferably, the power output shaft comprises a first shaft section and a second shaft section, the first shaft section is provided with a first shaft hole, the second shaft section is inserted into the first shaft hole, the fan is sleeved on the second shaft section, and an anti-rotation structure for limiting the second shaft section to rotate around the shaft center of the second shaft section is arranged on the hole wall of the first shaft hole.
Preferably, the rotation preventing structure includes a protruding strip arranged on the wall of the first shaft hole and extending along the depth direction of the first shaft hole, and a sliding groove arranged on the outer peripheral wall of the second shaft section and extending along the axial direction of the second shaft section, and the protruding strip is inserted into the sliding groove.
Preferably, a first elastic piece is clamped between the bottom wall of the first shaft hole and the end face of the second shaft section, and a locking structure is arranged at one end, far away from the first shaft section, of the second shaft section.
Preferably, a second shaft hole is formed in one end, away from the first shaft section, of the second shaft section, a through hole penetrating through the inner side and the outer side of the second shaft hole is formed in the hole wall of the second shaft hole, the locking structure comprises a positioning component embedded in the through hole and a retraction control component inserted in the second shaft hole and capable of forcing the positioning component to retract towards the hole center of the second shaft hole, a first annular flange is arranged at the hole opening of the first shaft hole, and when the retraction control component is disconnected from the positioning component, a protruding component in the positioning component protrudes out of the outer peripheral wall of the second shaft section and abuts against the inner side of the first annular flange.
Preferably, the positioning assembly is provided with two protruding parts, a second elastic part is clamped between the two protruding parts, and when the retraction control part is disconnected from the positioning assembly, the two protruding parts protrude out of the outer peripheral wall of the second shaft section under the action of the second elastic part.
Preferably, the retraction control member comprises a sleeve having a wedge-shaped opening and a force application rod at one side of the sleeve, and the protruding member has a protruding column inserted into the through hole and a wedge-shaped surface capable of being matched with the wedge-shaped opening of the sleeve.
The invention also provides a control method of the fresh air conditioner, wherein the fresh air conditioner is the fresh air conditioner and comprises the following steps:
acquiring a control instruction of an air conditioner;
and controlling the fan assembly to switch between a first position and a second position according to the acquired air conditioner control instruction.
Preferably, when the air conditioner control command is an indoor air exhaust command,
and judging the actual position of the fan assembly, and controlling the fan assembly to rotate from the first position to the second position when the fan assembly is positioned at the first position.
Preferably, before controlling the fan assembly to rotate from the first position to the second position, the method further comprises:
determining whether the fan assembly is in an operational state,
when the fan assembly is in the operating state, the fan assembly is controlled to stop operating, and when the fan assembly is in the second position, the fan assembly is controlled to start operating.
Preferably, when the fan assembly is in the second position, the indoor air pollutant content is obtained and compared with a preset air pollutant content, and when the indoor air pollutant content is lower than the preset air pollutant content, the fan assembly is controlled to stop running.
According to the fresh air conditioner and the control method thereof, only one set of fan assembly is arranged in the fresh air conditioner, so that the functional requirements of fresh air introduction and indoor air exhaust can be met, two fans are not required to be separately arranged for fresh air and indoor air exhaust in the prior art, the structure of the fresh air conditioner is simplified, and the manufacturing cost of the fresh air conditioner is reduced.
Drawings
FIG. 1 is a schematic diagram of an internal structure of a fresh air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a power output shaft of the first motor shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
fig. 5 is a control flow diagram of a control method of a fresh air conditioner according to an embodiment of the present invention.
The reference numerals are represented as:
1. a fan assembly; 11. a fan; 12. a first motor; 14. mounting a bracket; 2. a second motor; 31. A first shaft section; 311. a convex strip; 312. a first annular flange; 32. a second shaft section; 322. a second annular flange; 4. a first elastic member; 51. a positioning assembly; 511. a protruding member; 512. a second elastic member; 52. Retracting the control member; 521. a sleeve; 522. a force application rod; 100. a housing; 101. a first tuyere; 102. and a second tuyere.
Detailed Description
With reference to fig. 1 to 5, according to an embodiment of the present invention, a fresh air conditioner is provided, which includes a casing 100, a first air inlet 101 corresponding to an indoor space and a second air inlet 102 corresponding to an outdoor space are configured on the casing 100, the first air inlet 101 and the second air inlet 102 are communicated through an air flow channel, a fan assembly 1 is disposed in the air flow channel, the fan assembly 1 includes a fan 11 and a first motor 12 for driving the fan 11 to rotate, the fan assembly 1 has a first position for driving an air flow to be blown out from the first air inlet 101 and a second position for being blown out from the second air inlet 102, and a position switching device for driving the fan assembly 1 to switch between the first position and the second position. In the technical scheme, only one set has in the new trend air conditioner fan subassembly 1 just can satisfy the new trend and introduce and the functional requirement that the room wind was aired exhaust, need not to exhaust to new trend and room wind among the prior art respectively and set up two fans alone, has retrencied the structure of new trend air conditioner, has reduced the manufacturing cost of new trend air conditioner.
Specifically, the position switching device includes a second motor 2, the second motor 2 is a rotary motor, the fan assembly 1 has a mounting bracket 14, a power output shaft of the second motor 2 is in driving connection with the mounting bracket 14, as shown in fig. 1, the mounting bracket 14 may be a mounting platform, the fan assembly 1 is fixedly mounted on the mounting platform, a lower portion of the mounting platform is in driving connection with the second motor 2, when the second motor 2 operates, the fan assembly 1 is integrally deflected by a preset angle, and the preset angle is determined according to specific setting positions of the first air opening 101 and the second air opening 102. Further, preferably, the housing 100 includes a bottom plate, the second motor 2 is fixedly connected to the bottom plate, and the mounting bracket 14 is fixedly connected to the power output shaft of the second motor 2.
The fan 11 is sleeved on a power output shaft of the first motor 12, and at this time, the power output shaft can be stretched in the axial direction, so that the fan assembly 1 occupies less space when switching positions, and is only favorable for the compactness of the overall structure of the fresh air conditioner, and the size is smaller.
In some embodiments, the power output shaft includes a first shaft section 31 and a second shaft section 32, the first shaft section 31 has a first shaft hole, the second shaft section 32 is inserted into the first shaft hole, the fan 11 is sleeved on the second shaft section 32, and an anti-rotation structure for limiting the second shaft section 32 to rotate around its shaft center is provided on a hole wall of the first shaft hole. Specifically, as shown in fig. 4, the rotation preventing structure includes a protruding strip 311 disposed on the wall of the first shaft hole and extending along the depth direction of the first shaft hole, and a sliding groove disposed on the outer peripheral wall of the second shaft section 32 and extending along the axial direction of the second shaft section 32, and the protruding strip 311 is inserted into the sliding groove.
More specifically, a first elastic member 4 (specifically, for example, a spring) is interposed between a bottom wall of the first shaft hole and an end surface of the second shaft section 32, and one end of the second shaft section 32, which is far away from the first shaft section 31, has a locking structure, the first elastic member 4 is arranged to push the second shaft section 32 outward from the first shaft hole after the locking structure is unlocked, so as to increase the shaft length of the power output shaft of the first motor 12, and the locking structure can lock the second shaft section 32 at a corresponding position when the power output shaft needs to be shortened.
Furthermore, a second shaft hole is formed at one end of the second shaft segment 32, which is far away from the first shaft segment 31, a through hole penetrating through the inner side and the outer side of the second shaft hole is formed in the hole wall of the second shaft hole, the locking structure comprises a positioning component 51 embedded in the through hole and a retraction control component 52 inserted in the second shaft hole and capable of forcing the positioning component 51 to retract towards the hole center of the second shaft hole, a first annular flange 312 is arranged at the opening of the first shaft hole, and when the retraction control component 52 is disconnected from the positioning component 51, a protruding part 511 in the positioning component 51 protrudes out of the outer peripheral wall of the second shaft segment 32 and abuts against the inner side of the first annular flange 312. As shown in fig. 3 in particular, the positioning assembly 51 has two protruding members 511, the two protruding members 511 are disposed opposite to each other with a second elastic member 512 (e.g., a spring) interposed therebetween, the through hole forms an operation slide of the protruding member 511, when the retraction control member 52 is disconnected from the positioning assembly 51, the two protruding members 511 protrude from the outer peripheral wall of the second shaft section 32 under the action of the second elastic member 512, and at this time, the protruding portion of the protruding member 511 abuts against the inner side of the first annular flange 312 to form a position lock on the second shaft section 32.
Specifically, the retraction control member 52 includes a sleeve 521 having a wedge-shaped opening and a force application rod 522 located at one side of the sleeve 521, the protruding member 511 has a protruding column inserted into the through hole and a wedge-shaped surface capable of cooperating with the wedge-shaped opening of the sleeve 521, a threaded connection is formed between the outer peripheral wall of the sleeve 521 and the second shaft hole, the force application rod 522 has a corresponding ear portion for a user to screw, when the wedge-shaped opening of the sleeve 521 moves close to the protruding member 511, the wedge-shaped surface of the protruding member 511 is retracted by the action of the wedge-shaped opening, so that a portion of the protruding member 511 protruding from the outer peripheral wall of the second shaft section 32 is retracted into the through hole, and the second shaft section 32 is retracted and extended by the elastic force of the first elastic member 4. While it will be appreciated that the telescoping of the power take-off shaft of the first motor 12 of the present invention provides a manually implemented manner that requires the corresponding panel of the first tuyere 101 to be conveniently opened to ensure that the retraction control member 52 is exposed to the user for easy operation, it will be appreciated that in some embodiments, the telescoping of the power take-off shaft of the first motor 12 may be in other automated manners.
Furthermore, a plurality of second annular flanges 322 are arranged on the outer peripheral wall of the portion of the second shaft section 32 in the first shaft hole at intervals along the axial direction of the second shaft section, at this time, the sliding groove is arranged on the outer peripheral side of the second annular flange 322, and the arrangement of the second annular flange 322 reduces the gap between the first shaft hole and the second shaft section 32, which can ensure the stability of the relative position between the first shaft section 31 and the second shaft section 32 and the stability of the telescopic process.
According to an embodiment of the present invention, there is also provided a control method of a fresh air conditioner, where the fresh air conditioner includes:
acquiring a control instruction of the air conditioner, wherein the control instruction can comprise a fresh air inlet instruction, an indoor refrigeration instruction, an indoor heating instruction, an indoor air exhaust instruction and the like; and controlling the fan assembly 1 to switch between a first position and a second position according to the acquired air conditioner control instruction. Specifically, for example, when the air conditioner control command is an indoor air exhaust command, the actual position of the fan assembly 1 is determined, and when the fan assembly 1 is located at the first position, the fan assembly 1 is controlled to rotate from the first position to the second position, it can be understood that when the actual position of the fan assembly 1 is the second position, the fan assembly 1 is directly controlled to operate and start air exhaust. The indoor air exhaust instruction can be selected manually, or can be sent out after the detection of the indoor air pollutant content is judged, and under the condition, the indoor air exhaust instruction is an intelligently triggered instruction.
Further, before controlling the fan assembly 1 to rotate from the first position to the second position, the method further includes: judging whether the fan assembly 1 is in a running state, controlling the fan assembly 1 to stop running when the fan assembly 1 is in the running state, and controlling the fan assembly 1 to start running when the fan assembly 1 is in the second position, so that the position of the fan assembly 1 can be switched in a shutdown state, and the stability in the position switching process is ensured.
Furthermore, when the fan assembly 1 is located at the second position, the indoor air pollutant content is obtained and compared with the preset air pollutant content, and when the indoor air pollutant content is lower than the preset air pollutant content, the fan assembly 1 is controlled to stop running, and it can be understood that the fan assembly 1 can also be controlled to stop running in a manual selection mode.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (14)
1. A fresh air conditioner is characterized by comprising a shell (100), wherein a first air opening (101) corresponding to an indoor space and a second air opening (102) corresponding to an outdoor space are formed in the shell (100), the first tuyere (101) and the second tuyere (102) are communicated through an air flow channel, a fan assembly (1) is arranged in the airflow channel, the fan assembly (1) comprises a fan (11) and a first motor (12) for driving the fan (11) to rotate, the fan component (1) is provided with a first position for driving the air flow to be blown out by the first air opening (101) and a second position for being blown out by the second air opening (102), and also comprises a position switching device, the position switching device is used for driving the fan assembly (1) to switch between the first position and the second position.
2. The fresh air conditioner according to claim 1, wherein the position switching device comprises a second motor (2), the second motor (2) is a rotary motor, the fan assembly (1) is provided with a mounting bracket (14), and a power output shaft of the second motor (2) is in driving connection with the mounting bracket (14).
3. The fresh air conditioner according to claim 2, characterized in that the housing (100) comprises a base plate, the second motor (2) is fixedly connected to the base plate, and the mounting bracket (14) is fixedly connected to a power output shaft of the second motor (2).
4. The fresh air conditioner according to claim 1, wherein the first motor (12) has a power output shaft, the fan (11) is sleeved on the power output shaft, and the power output shaft can extend and retract in the axial direction.
5. The fresh air conditioner according to claim 4, wherein the power output shaft comprises a first shaft section (31) and a second shaft section (32), the first shaft section (31) has a first shaft hole, the second shaft section (32) is inserted into the first shaft hole, the fan (11) is sleeved on the second shaft section (32), and the wall of the first shaft hole has an anti-rotation structure for limiting the second shaft section (32) to rotate around the shaft center.
6. The fresh air conditioner according to claim 5, wherein the rotation preventing structure comprises a protruding strip (311) arranged on the wall of the first axial hole and extending along the depth direction of the first axial hole, and a sliding groove arranged on the outer peripheral wall of the second axial section (32) and extending along the axial direction of the second axial section (32), wherein the protruding strip (311) is inserted into the sliding groove.
7. The fresh air conditioner according to claim 6, wherein a first elastic member (4) is interposed between the bottom wall of the first shaft hole and the end surface of the second shaft section (32), and a locking structure is arranged at one end of the second shaft section (32) far away from the first shaft section (31).
8. The fresh air conditioner according to claim 7, characterized in that the end of the second shaft section (32) far away from the first shaft section (31) is configured with a second shaft hole, the wall of the second shaft hole is provided with a through hole penetrating through the inner side and the outer side of the second shaft hole, the locking structure comprises a positioning component (51) embedded in the through hole and a retraction control component (52) inserted in the second shaft hole and capable of forcing the positioning component (51) to retract towards the center of the second shaft hole, the opening of the first shaft hole is provided with a first annular flange (312), and when the retraction control component (52) is disconnected with the positioning component (51), a protruding component (511) in the positioning component (51) protrudes out of the outer peripheral wall of the second shaft section (32) and interferes with the inner side of the first annular flange (312).
9. The fresh air conditioner according to claim 8, wherein the positioning assembly (51) has two protruding members (511), a second elastic member (512) is interposed between the two protruding members (511), and when the retraction control member (52) is disconnected from the positioning assembly (51), the two protruding members (511) protrude out of the outer peripheral wall of the second shaft section (32) under the action of the second elastic member (512).
10. The fresh air conditioner according to claim 9, characterized in that the retraction control member (52) comprises a sleeve (521) having a wedge-shaped mouth and a force application rod (522) on one side of the sleeve (521), the protruding member (511) having a protruding post inserted in the through hole and a wedge-shaped face capable of cooperating with the wedge-shaped mouth of the sleeve (521).
11. A method for controlling a fresh air conditioner, wherein the fresh air conditioner is as claimed in any one of claims 1 to 10, comprising:
acquiring a control instruction of an air conditioner;
and controlling the fan assembly (1) to switch between a first position and a second position according to the acquired air conditioner control instruction.
12. The control method according to claim 11, wherein when the air conditioner control command is an indoor air-discharge command,
judging the actual position of the fan assembly (1), and controlling the fan assembly (1) to rotate from the first position to the second position when the fan assembly (1) is located at the first position.
13. The control method according to claim 12, further comprising, before controlling the fan assembly (1) to rotate from the first position to the second position:
judging whether the fan assembly (1) is in a running state,
when the fan assembly (1) is in the operating state, the fan assembly (1) is controlled to stop operating, and when the fan assembly (1) is in the second position, the fan assembly (1) is controlled to start operating.
14. The control method according to claim 12, characterized in that when the fan assembly (1) is in the second position, an indoor air contaminant content is obtained and compared with a preset air contaminant content, and when the indoor air contaminant content is lower than the preset air contaminant content, the fan assembly (1) is controlled to stop operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011346361.3A CN112413737A (en) | 2020-11-26 | 2020-11-26 | Fresh air conditioner and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011346361.3A CN112413737A (en) | 2020-11-26 | 2020-11-26 | Fresh air conditioner and control method thereof |
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| CN112413737A true CN112413737A (en) | 2021-02-26 |
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