CN114396659A - Fresh air conditioner and control method - Google Patents
Fresh air conditioner and control method Download PDFInfo
- Publication number
- CN114396659A CN114396659A CN202210165495.8A CN202210165495A CN114396659A CN 114396659 A CN114396659 A CN 114396659A CN 202210165495 A CN202210165495 A CN 202210165495A CN 114396659 A CN114396659 A CN 114396659A
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- Prior art keywords
- air
- fresh air
- fresh
- cavity
- baffle
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 239000002274 desiccant Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000007791 dehumidification Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
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
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
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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
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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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
- F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
- F24F1/0093—Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
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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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/52—Weather protecting means, e.g. against wind, rain or snow
Abstract
The invention provides a fresh air conditioner and a control method, wherein the fresh air conditioner comprises an indoor unit and a dehumidifying device: the indoor unit comprises a fresh air device and an air supply pipe, and the fresh air device is provided with a fresh air inlet; the dehumidifying device comprises a first shell and a drying unit, the first shell penetrates through the wall and is provided with an air duct, two ends of the air duct are respectively communicated with the outside and the air supply pipe, and the other end of the air supply pipe is communicated with the fresh air inlet; the drying unit is arranged in the air duct; outdoor air enters the fresh air device through the air duct and the air supply pipe, and when the outdoor air flows through the drying unit, water vapor in the outdoor air can be removed by the drying unit; the structure is simple, the outdoor air introduced into the fresh air device is dehumidified, the humidity of the outdoor air is reduced, the quality of the outdoor air is improved, and the comfort of the fresh air is ensured; the heating unit is arranged in the air duct of the dehumidifying device, and the moisture in the drying agent can be removed through heating, so that the drying agent can be repeatedly utilized, and the replacement frequency of the drying agent is reduced.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a fresh air conditioner and a control method.
Background
With the attention of people on the healthy home environment, more and more air conditioners are added with health functions, and the fresh air function is one of the important functions; however, when the humidity of outdoor air is big, the new trend device of air conditioner introduces indoor new trend and can be very moist, can cause the condensation problem in the inside of new trend device on the one hand, and the moist environment of on the other hand can make the inside of new trend device breed the bacterium, can cause the influence to user's health after long-time, has reduced user experience.
Disclosure of Invention
In view of the above, the present invention provides a fresh air conditioner and a control method thereof, so as to solve the problems in the prior art that when the humidity of outdoor air is high, condensation occurs inside a fresh air device, bacteria are bred, the structure of a dehumidifying device is complex, and the dehumidifying effect is not obvious.
The invention provides a fresh air conditioner, which comprises an indoor unit and a dehumidifying device: the indoor unit comprises a fresh air device and an air supply pipe, wherein a fresh air inlet is formed in the fresh air device, and one end of the air supply pipe is communicated with the fresh air inlet; the dehumidifying apparatus includes:
the first shell penetrates through the wall, an air channel is formed in the first shell, one end of the air channel is communicated with the outside, and the other end of the air channel is communicated with the other end of the blast pipe; outdoor air can enter the fresh air device through the air duct and the air supply pipe;
the drying unit is arranged in the air duct; when outdoor air flows through the drying unit, water vapor in the outdoor air can be removed by the drying unit.
Further optionally, the drying unit includes a second housing and a desiccant, the second housing encloses a cavity, and the structure of the cavity is matched with that of the air duct; along the flowing direction of air, a plurality of cavity air inlets and a plurality of cavity air outlets are formed at two ends of the second shell respectively, and the cavity air inlets and the cavity air outlets are communicated with the cavity respectively; the drying agent is arranged in the cavity;
and air in the air channel enters the cavity from the cavity air inlet, and water vapor in the air channel is adsorbed by the drying agent and then is discharged from the cavity air outlet.
Further optionally, the cavity air inlet and the cavity air outlet are both round holes, the aperture of the cavity air inlet is R1, the aperture of the cavity air inlet is R2, wherein R1 is greater than or equal to 2mm and less than or equal to 6mm, and R2 is greater than or equal to 2mm and less than or equal to 6 mm.
Further optionally, the dehumidification device further comprises a heating unit, wherein the heating unit is arranged in the air duct and is positioned on the air outlet side of the drying unit; when the heating unit operates, water in the drying agent is heated and converted into water vapor, and the water vapor is discharged to the outside along the air duct.
Further optionally, the dehumidifying device further comprises a first baffle, and the first baffle is rotatably disposed in the air duct and located on an air inlet side of the drying unit; the first baffle can be controlled to rotate, so that the air duct is opened or closed;
the fresh air device also comprises a second baffle plate, and the second baffle plate is rotatably arranged at the fresh air inlet; the second baffle can be controlled to rotate, so that the fresh air inlet is opened or closed.
Further optionally, the dehumidifying device further comprises a first driving motor, and the first driving motor is in driving connection with the first baffle and drives the first baffle to rotate;
the fresh air device also comprises a second driving motor and a fan assembly, and the second driving motor is in driving connection with the second baffle and drives the second baffle to rotate;
the fan assembly comprises fan blades and a fan which is in driving connection with the fan blades, and the fan drives the fan blades to rotate so that outdoor air enters the fresh air device.
Further optionally, the fresh air conditioner further comprises a temperature sensor, a humidity sensor and a controller; the temperature sensor is used for detecting the temperature of outdoor air; the humidity sensor is arranged in the cavity and used for detecting the humidity of the drying agent; the fresh air conditioner comprises a fresh air dehumidification mode and a heating and drying mode;
the controller is electrically connected with the temperature sensor, the humidity sensor, the heating unit, the first driving motor, the second driving motor and the fan respectively;
when the fresh air conditioner operates in a fresh air dehumidification mode, the controller controls the first driving motor to rotate so that the first baffle opens the air channel, controls the second driving motor to rotate so that the second baffle opens the fresh air inlet, controls the fan to drive the fan blades to rotate, controls the heating unit to operate according to data transmitted by the temperature sensor, and further controls outdoor air to enter the air channel, sequentially flow through the drying unit and the heating unit, and then enter the fresh air device through the air supply pipe;
when the fresh air conditioner operates in a heating and drying mode, the controller controls the first driving motor to rotate according to data transmitted by the humidity sensor so that the first baffle plate opens the air channel, controls the second driving motor to rotate so that the second baffle plate closes the fresh air inlet and controls the heating unit to operate, and then water in the drying agent is heated and converted into water vapor and is discharged outdoors along the air channel.
Further optionally, an air inlet of the air duct is formed at one end of the air duct close to the outdoor; the dehumidification device also comprises a first filter screen assembly, and the first filter screen assembly is positioned on the air inlet side of the drying unit and is arranged at the air inlet of the air duct; the first filter screen assembly comprises a grating and a first filter screen supported on the grating, and the grating is fixed on a wall;
when outdoor air flows through the first filter screen assembly, particulate matters in the outdoor air can be trapped by the first filter screen.
Further optionally, the dehumidification device further comprises a rain cover and an adapter, wherein the rain cover is positioned at the air inlet of the air duct and is arranged on the grille;
the air duct is close to indoor one end and is formed with air duct air outlet, the air duct air outlet passes through the adapter with the other end of blast pipe to be connected.
The invention also provides a control method of the fresh air conditioner, wherein the fresh air conditioner comprises a fresh air dehumidification mode and a heating and drying mode; the control method comprises the following steps:
when the fresh air conditioner operates in a fresh air dehumidification mode, the first baffle is controlled to open the air duct, the second baffle is controlled to open the fresh air inlet, and the fan blades are controlled to rotate;
when the fresh air conditioner operates in a heating and drying mode, the first baffle is controlled to open the air duct, the second baffle is controlled to close the fresh air inlet, and the heating unit is controlled to operate.
Further optionally, the control method further includes:
when the fresh air conditioner operates in a fresh air dehumidification mode, detecting the temperature of outdoor air;
comparing the temperature of the outdoor air with a preset temperature;
and when the temperature of the outdoor air is lower than the preset temperature, controlling the heating unit to operate.
Compared with the prior art, the invention has the following beneficial effects:
(1) the dehumidifying device is arranged between the outdoor air device and the fresh air device, has a simple structure, dehumidifies outdoor air introduced into the fresh air device, reduces the humidity of the outdoor air, has obvious dehumidifying effect, improves the comfort of the fresh air, and solves the problems that the inside of the fresh air device is easy to generate condensation and breed bacteria;
(2) the heating unit is arranged in the air duct of the dehumidifying device, so that on one hand, the outdoor air can be heated according to the temperature of the outdoor air, the outdoor air is enabled to reach a proper temperature, and the comfort of fresh air is improved; on the other hand, the drying agent can be heated according to the humidity of the drying agent, and water in the drying agent is converted into water vapor and is discharged outdoors, so that the drying agent can be recycled, and the replacement frequency of the drying agent is reduced;
(3) a first baffle is arranged in the air duct, and a second baffle is arranged at the fresh air inlet; when the fresh air conditioner does not operate, the first baffle plate closes the air duct and the second baffle plate closes the fresh air inlet, so that outdoor dust, moist air and the like are prevented from entering the room through the dehumidifying device and the fresh air device, the quality of indoor air is ensured, and outdoor noise is effectively isolated;
(4) the first filter screen can filter out large-particle-size particles of outdoor air, so that the cleanliness of the outdoor air is ensured, and the quality of fresh air is improved; the rain cover can prevent rainwater from flowing into the fresh air device from the air duct when raining;
(5) degree of automation is high, can be according to the temperature and the humidity of outdoor air and the humidity of drier, and automatic control dehydrating unit moves, has improved user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1a is a schematic structural view of an integrated assembly embodiment of a dehumidifying apparatus (including a wall) provided by the present invention;
FIG. 1b is a schematic structural diagram of an exploded embodiment of a dehumidifying apparatus according to the present invention;
fig. 2a is a schematic structural diagram of a first housing according to an embodiment of the present invention;
FIG. 2b is a schematic structural diagram of an embodiment of a drying unit provided in the present invention;
FIG. 2c is a schematic structural view of a first screen assembly according to an embodiment of the present invention;
fig. 2d is a schematic structural view of an embodiment of the rain cover provided in the present invention;
figure 2e is a schematic structural diagram of an adapter according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an indoor unit according to an embodiment of the present invention;
FIG. 4a is a schematic structural view of an integrally assembled embodiment of a fresh air device according to the present invention;
FIG. 4b is a schematic structural diagram of an explosive embodiment of the fresh air device according to the present invention;
fig. 5a, 5b and 5c are schematic structural views of an embodiment of a fresh air device provided by the present invention;
in the figure:
1-an indoor unit; 11-a fresh air device; 111-a sealing cover; 112-a second mount; 1121-mounting grooves; 113-a second filter; 114-volute cover; 115-a volute; 116-fan blades; 117-a fan; 118-fresh air outlet; 119-a fresh air inlet; 12-blast pipe; 131-a second baffle; 132-a second drive motor;
2-a dehumidifying device; 21-a first housing; 211-air duct; 212-mounting port; 2121-cover plate mounting position; 2122-fixing the cover plate; 2123-a first baffle mounting location; 213-air inlet of air duct; 214-air duct air outlet; 215-a second mount; 22-a cover plate; 221-a first mounting hole; 222-a third mounting hole; 231-a first baffle;
3-a drying unit; 31-a second housing; 32-a cavity; 321-a cavity air inlet; 322-cavity air outlet; 33-a first mounting member;
41-a heating unit; 421-a first mounting plate; 422-a grid; 423-mounting cylinder; 424-first filter; 43-rain cover; 431-rain-proof cavity; 432-rain cover air inlet; 433-a second mounting plate; 434-fastener structure; 44-an adapter; 441-a first thread; 442-a second thread; 45-wall.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
When outdoor air's humidity is big, current new trend air conditioner introduces indoor new trend and can be very moist, can cause the condensation problem in the inside of new trend device on the one hand, and the moist environment of on the other hand can make the inside of new trend device multiply the bacterium, can cause the influence to user's health after long-time, has reduced user experience.
The invention creatively provides a fresh air conditioner, which comprises an indoor unit and a dehumidifying device: the indoor unit comprises a fresh air device and an air supply pipe, and the fresh air device is provided with a fresh air inlet; the dehumidifying device comprises a first shell and a drying unit, the first shell penetrates through the wall and is provided with an air duct, two ends of the air duct are respectively communicated with the outside and the air supply pipe, and the other end of the air supply pipe is communicated with the fresh air inlet; the drying unit is arranged in the air duct; outdoor air enters the fresh air device through the air duct and the air supply pipe, and when the outdoor air flows through the drying unit, water vapor in the outdoor air can be removed by the drying unit; simple structure carries out dehumidification to the outdoor air who introduces new trend device, reduces outdoor air's humidity, and the dehumidification effect is obvious, improves outdoor air's quality, guarantees the travelling comfort of new trend, solves the inside problem that easily produces the condensation phenomenon and breed the bacterium of new trend device.
< fresh air conditioner >
As shown in fig. 1a, 1b and 3, the present embodiment provides a fresh air conditioner, which includes an indoor unit 1 and a dehumidifying apparatus 2: the indoor unit 1 comprises a fresh air device 11 and an air supply pipe 12; as shown in fig. 4a, 4b, 5a, 5b and 5c, the fresh air device 11 includes a sealing cover 111, a second filter screen assembly, a volute assembly and a fan assembly, which are sequentially disposed; the volute component comprises a volute cover 114 and a volute 115, the volute cover 114 and the volute 115 are matched together to form a fan blade cavity, and a fresh air outlet 118 is formed at the top of the fan blade cavity; the fan assembly comprises fan blades 116 and a fan 117 which is in driving connection with the fan blades 116; the fan blades 116 are arranged in the fan blade cavity, and the fan 117 is arranged on one side of the volute 115 far away from the volute cover 114; the sealing cover 111 covers one side of the volute cover 114 far away from the volute 115, the second filter assembly is arranged between the sealing cover 111 and the volute cover 114 and comprises a second filter screen 113 and a second fixing frame 112 for fixing the second filter screen 113, the second fixing frame 112 forms a mounting groove 1121, and the second filter screen 113 is fixed in the second fixing frame 112 through the mounting groove 1121; the second fixing frame 112, the sealing cover 111 and the volute cover 114 are matched together to form an air inlet cavity, the air inlet cavity is communicated with the fan blade cavity, and a fresh air inlet 119 is formed in one side of the air inlet cavity; one end of the blast pipe 12 is communicated with a fresh air inlet 119;
as shown in fig. 2a and 2b, the dehumidifying apparatus 2 includes:
a first casing 21 penetrating a wall 45 separating an outdoor space from an indoor space and having an air passage 211 formed therein, one end of the air passage 211 being communicated with the outdoor space, and the other end of the air passage 211 being communicated with the other end of the air supply duct 12; when the fan 117 drives the fan blades 116 to rotate, outdoor air can enter the air inlet cavity through the air duct 211 and the blast pipe 12, and when the outdoor air passes through the second filter screen 113, particulate matters in the outdoor air are intercepted, then the outdoor air enters the fan blade cavity and is exhausted to the indoor through the fresh air outlet 118;
a drying unit 3 disposed in the air duct 211; when the outdoor air passes through the drying unit 3, the water vapor in the outdoor air can be removed by the drying unit 3; specifically, the first housing 21 encloses a cylindrical structure, a mounting opening 212 is formed in a side wall of the first housing 21, the drying unit 3 is disposed in the air duct 211 through the mounting opening 212, a cover plate mounting position 2121 and a cover plate fixing position 2122 are formed at the mounting opening 212, the cover plate mounting position 2121 is covered by the cover plate 22, the cover plate 22 is integrally of an arc-shaped structure, a first mounting hole 221 is formed in an air inlet side of the cover plate 22, a second mounting hole is formed in the cover plate fixing position 2122, and the first mounting hole 221 is matched with the second mounting hole; a third mounting hole 222 is formed in the side wall of the cover plate 22, a fourth mounting hole is formed in the air duct 211, and the third mounting hole 222 is matched with the fourth mounting hole, so that the cover plate 22 is connected with the first shell 21; the inner side wall of the cover plate 22 is provided with a cover plate rib for reinforcing the strength of the cover plate 22; a sealing strip is arranged between the cover plate 22 and the first shell 21, so that air in the air duct 211 is prevented from being discharged from the mounting port 212, and fresh air inlet volume is ensured;
to sum up, dehydrating unit 2 simple structure carries out dehumidification to the outdoor air who introduces new trend device 11, reduces outdoor air's humidity, and dehumidification effect is obvious, improves outdoor air's quality, guarantees the travelling comfort of new trend, solves the problem that new trend device 11's inside easily produced condensation phenomenon and multiplied the bacterium, improves user experience degree.
As shown in fig. 2b, the drying unit 3 includes a second housing 31 and a drying agent, the second housing 31 encloses a cavity 32, and the structure of the cavity 32 is matched with the structure of the air duct 211; along the air flowing direction, a plurality of cavity air inlets 321 are formed at one end of the second shell 31, the plurality of cavity air inlets 321 are communicated with the cavity 32, a plurality of cavity air outlets 322 are formed at one end of the second shell 31, and the plurality of cavity air outlets 322 are communicated with the cavity 32; the desiccant is disposed in the cavity 32;
when air in the air duct 211 flows through the drying unit 3, the air enters the cavity 32 through the cavity air inlet 321, water vapor in the air enters the cavity 32 and is adsorbed by the drying agent, and then the water vapor is discharged through the cavity air outlet 322, so that the humidity of the air entering the room is ensured to be proper;
specifically, the second housing 31 is enclosed into a cylindrical structure, a first mounting piece 33 is formed on a side wall of the second housing 31, a fifth mounting hole is formed in the first mounting piece 33, correspondingly, a second mounting piece 215 is formed in the air duct 211, a sixth mounting hole is formed in the second mounting piece 215, the fifth mounting hole is matched with the sixth mounting hole, and the second housing 31 is fixed in the air duct 211 through first screw connection; the first mounting parts 33 and the second mounting parts 215 are respectively provided in two, the two first mounting parts 33 are respectively provided on two sides of the second housing 31, and the two second mounting parts 215 are respectively provided on two sides of the mounting opening 212 along the diameter direction of the second housing 31; the amount of the desiccant in the second casing 31 can be set according to actual needs, and when the humidity of the outdoor air is too high, the amount of the desiccant can be increased, and when the humidity of the outdoor air is too low, the amount of the desiccant can be decreased.
The desiccant is silica gel desiccant.
Furthermore, the cavity air inlet 321 and the cavity air outlet 322 are both round holes, the aperture of the cavity air inlet 321 is R1, the aperture of the cavity air inlet 321 is R2, wherein R1 is larger than or equal to 2mm and smaller than or equal to 6mm, and R2 is larger than or equal to 2mm and smaller than or equal to 6 mm;
preferably, R1 is more than or equal to 3mm and less than or equal to 5mm, R2 is more than or equal to 3mm and less than or equal to 5 mm;
it should be noted that the structures of the cavity air inlet 321 and the cavity air outlet 322 are not limited, and may be designed according to actual needs.
As shown in fig. 1b, the dehumidifying apparatus 2 further includes a heating unit 41, the heating unit 41 is disposed in the air duct 211 and located at the air outlet side of the drying unit 3; the operation of the heating unit 41 is controlled, on one hand, the outdoor air can be heated according to the temperature of the outdoor air, so that the outdoor air reaches a proper temperature, and the comfort of fresh air is improved; on the other hand, the drying agent can be heated according to the humidity of the drying agent, and water in the drying agent is converted into water vapor and is discharged outdoors, so that the drying agent can be recycled, and the replacement frequency of the drying agent is reduced; specifically, the heating unit 41 is an electric heating wire having different operation powers, and the electric heating wire can be controlled to operate at corresponding powers according to the temperature of the outdoor air and the humidity of the desiccant, so that the temperature of the outdoor air and the humidity of the desiccant quickly reach appropriate values.
In order that the states of the fresh air device 11 and the dehumidifying device 2 are adapted to the operation mode of the fresh air conditioner, the dehumidifying device 2 further comprises a first baffle 231, and the first baffle 231 is rotatably arranged in the air duct 211 and is positioned on the air inlet side of the drying unit 3; the first baffle 231 can be controlled to rotate, so that the air duct 211 is opened or closed; specifically, the first baffle 231 is arranged at one side of the mounting opening 212 close to the outdoor, the first baffle 231 is of a circular plate type structure, and the first baffle 231 is controlled to rotate at different angles to control the air intake rate in the air duct 211;
the fresh air device 11 further comprises a second baffle 131, and the second baffle 131 is rotatably arranged at the fresh air inlet 119; the second baffle 131 can be controlled to rotate, so that the fresh air inlet 119 is opened or closed; the first baffle 231 is controlled to rotate at different angles, so that the air inlet volume of the fresh air inlet 119 can be controlled.
Further, the dehumidifying device 2 further comprises a first driving motor, and the first driving motor is in driving connection with the first baffle 231 and drives the first baffle 231 to rotate; specifically, a first shutter mounting position 2123 is formed on the outdoor side of the mounting opening 212, and the first shutter 231 is rotatably disposed at the first shutter mounting position 2123;
the fresh air device 11 further comprises a second driving motor 132 and a fan assembly, wherein the second driving motor 132 is in driving connection with the second baffle 131 and drives the second baffle 131 to rotate; specifically, the second drive motor 132 is fixed to the outside wall of the intake chamber.
Furthermore, the fresh air conditioner also comprises a temperature sensor, a humidity sensor and a controller; the temperature sensor is used for detecting the temperature of outdoor air; the humidity sensor is arranged in the cavity 32 and used for detecting the humidity of the drying agent; the fresh air conditioner comprises a fresh air dehumidification mode and a heating and drying mode;
the controller is electrically connected with the temperature sensor, the humidity sensor, the heating unit 41, the first driving motor, the second driving motor 132 and the fan 117 respectively;
when the fresh air conditioner operates in a fresh air dehumidification mode, the controller controls the first driving motor to rotate so that the first baffle 231 opens the air duct 211, controls the second driving motor 132 to rotate so that the second baffle 131 opens the fresh air inlet 119, and controls the fan 117 to drive the fan blade 116 to rotate, so that outdoor air enters the air inlet cavity through the air duct 211 and the air supply pipe 12 and is discharged indoors through the second filter screen 113, the fan blade cavity and the fresh air outlet 118 in sequence; when the outdoor air passes through the drying unit 3, the water vapor in the outdoor air is adsorbed by the desiccant, so that the humidity of the outdoor air is reduced; in addition, the controller controls the heating unit 41 to operate according to data transmitted by the temperature sensor, and when outdoor air flows through the heating unit 41, the outdoor air is heated to a proper temperature, so that the quality of the outdoor air is improved, and the comfort of fresh air is ensured;
when the fresh air conditioner operates in the heating and drying mode, the controller controls the first driving motor to rotate according to data transmitted by the humidity sensor so that the first baffle 231 opens the air channel 211, controls the second driving motor 132 to rotate so that the second baffle 131 closes the fresh air inlet 119 and controls the heating unit 41 to operate, and then water in the drying agent is heated and converted into water vapor and is discharged to the outside along the air channel 211, so that the drying agent can be reused, and the replacement frequency of the drying agent is reduced;
when the fresh air conditioner does not operate, the first driving motor is controlled to rotate to enable the first baffle 231 to close the air duct 211 and/or the second driving motor 132 is controlled to rotate to enable the second baffle 131 to close the fresh air inlet 119, outdoor dust, moist air and the like are prevented from entering the room through the dehumidifying device 2 and the fresh air device 11, the quality of indoor air is guaranteed, and meanwhile outdoor noise is effectively isolated.
As shown in fig. 2c, further, an air duct inlet 213 is formed at an end of the air duct 211 close to the outdoor; the dehumidifying device 2 further comprises a first filter 424 assembly, wherein the first filter 424 assembly is located on the air inlet side of the drying unit 3 and is disposed at the air inlet 213 of the air duct; the first filter screen 424 assembly comprises a first fixing frame, a grating 422 and a first filter screen 424 supported on the grating 422, the first fixing frame is formed with a first mounting plate 421 and a mounting cylinder 423 arranged at one end of the first mounting plate 421, the first mounting plate 421 is fixed on the wall 45, and specifically, the first mounting plate 421 is fixed on the wall 45 through a second screw; the center of the first mounting plate 421 is provided with a grid 422, the mounting cylinder 423 is embedded in the air duct 211, and a sealing ring is arranged between the mounting cylinder 423 and the air duct 211, so that the mounting cylinder 423 is hermetically connected with the air duct 211;
when outdoor air flows through the first filter screen 424 component, particulate matters in the outdoor air can be intercepted by the first filter screen 424, cleanliness of the outdoor air is guaranteed, and quality of fresh air is improved.
As shown in fig. 2d and fig. 2e, further, the dehumidifying apparatus 2 further includes a rain cover 43 and an adapter 44, wherein the rain cover 43 is located at the air inlet 213 of the air duct and is disposed on the first mounting plate 421; specifically, a rain-proof cavity 431 is enclosed by the rain-proof cover 43, a rain-proof cover air inlet 432 with a downward opening is formed at the bottom of the rain-proof cavity 431, the rain-proof cover air inlet 432 is communicated with the rain-proof cavity 431, and the rain-proof cavity 431 is communicated with the air duct 211 through a grille 422; outdoor air enters the rain-proof cavity 431 through the rain-proof cover air inlet 432 and then enters the air duct 211 through the grille 422 and the first filter screen 424; a second mounting plate 433 is arranged on one side, close to the air duct 211, of the rain cover 43, the second mounting plate 433 is connected with the first mounting plate 421 through a buckle structure 434, and a sealing ring is arranged between the second mounting plate 433 and the first mounting plate 421, so that rainwater can be prevented from flowing into the fresh air device 11 through the air duct 211 when raining;
an air duct air outlet 214 is formed at one end of the air duct 211 close to the indoor part, and the air duct air outlet 214 is connected with the other end of the blast pipe 12 through a joint 44; specifically, a third mounting plate and a first thread 441 are formed on one side of the adapter 44 close to the air duct 211, the adapter 44 abuts against the wall 45 through the third mounting plate, and the adapter 44 is connected with the air duct 211 through the first thread 441; a second screw 442 is formed at a side of the adapter 44 adjacent to the blast pipe 12, and the adapter 44 is connected to the blast pipe 12 through the second screw 442.
< control method >
The embodiment also provides a control method of the fresh air conditioner, wherein the fresh air conditioner comprises a fresh air dehumidification mode and a heating and drying mode; the control method comprises the following steps:
s1, when the fresh air conditioner runs in a fresh air dehumidification mode, controlling the first baffle 231 to open the air duct 211, controlling the second baffle 131 to open the fresh air inlet 119 and controlling the fan blade 116 to rotate;
specifically, outdoor air enters the rain-proof cavity 431 through the air inlet 432 of the rain-proof cover, then enters the air duct 211 through the grille 422 and the first filter screen 424, and then enters the air inlet cavity through the drying unit 3, the heating unit 41 and the blast pipe 12; when the outdoor air flows through the drying unit 3, the water vapor therein may be removed by the drying unit 3; the humidity of outdoor air is reduced, the quality of the outdoor air is improved, and the comfort of fresh air is ensured;
s2, when the fresh air conditioner operates in the heating and drying mode, controlling the first baffle 231 to open the air duct 211, controlling the second baffle 131 to close the fresh air inlet 119, and controlling the heating unit 41 to operate;
specifically, water in the desiccant is heated and converted into water vapor, the temperature of air in the air duct 211 is increased, and the water vapor is automatically discharged to the outside along with cold and hot air flow exchange, so that the desiccant can be reused, and the replacement frequency of the desiccant is reduced.
Further, S1 further includes:
s11, detecting the temperature of outdoor air when the fresh air conditioner operates in a fresh air dehumidification mode;
s12, comparing the temperature of the outdoor air with a preset temperature;
s13, controlling the heating unit 41 to operate when the temperature of the outdoor air is lower than a preset temperature;
specifically, when the outdoor air passes through the drying unit 3, the outdoor air is heated to a suitable temperature, improving the comfort of the fresh air.
Further, the control method further comprises:
s3, when the fresh air conditioner does not operate, the first baffle 231 closes the air duct 211 and the second baffle 131 closes the fresh air inlet 119, so that outdoor dust, moist air and the like are prevented from entering the room through the dehumidifying device 2 and the fresh air device 11, the quality of indoor air is ensured, and meanwhile outdoor noise is effectively isolated.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (11)
1. The utility model provides a fresh air conditioner which characterized in that, includes indoor set and dehydrating unit: the indoor unit comprises a fresh air device and an air supply pipe, wherein a fresh air inlet is formed in the fresh air device, and one end of the air supply pipe is communicated with the fresh air inlet; the dehumidifying apparatus includes:
the first shell penetrates through the wall, an air channel is formed in the first shell, one end of the air channel is communicated with the outside, and the other end of the air channel is communicated with the other end of the blast pipe; outdoor air can enter the fresh air device through the air duct and the air supply pipe;
the drying unit is arranged in the air duct; when outdoor air flows through the drying unit, water vapor in the outdoor air can be removed by the drying unit.
2. The fresh air conditioner as claimed in claim 1, wherein the drying unit comprises a second casing and a drying agent, the second casing is enclosed into a cavity, and the structure of the cavity is matched with that of the air duct; along the flowing direction of air, a plurality of cavity air inlets and a plurality of cavity air outlets are formed at two ends of the second shell respectively, and the cavity air inlets and the cavity air outlets are communicated with the cavity respectively; the drying agent is arranged in the cavity;
and air in the air channel enters the cavity from the cavity air inlet, and water vapor in the air channel is adsorbed by the drying agent and then is discharged from the cavity air outlet.
3. The fresh air conditioner as claimed in claim 2, wherein the cavity air inlet and the cavity air outlet are both circular holes, the aperture of the cavity air inlet is R1, the aperture of the cavity air inlet is R2, wherein R1 is 2mm or more and 6mm or less, and R2 is 2mm or more and 6mm or less.
4. The fresh air conditioner as claimed in claim 2, wherein the dehumidifying device further comprises a heating unit disposed in the air duct and located at an air outlet side of the drying unit; when the heating unit operates, water in the drying agent is heated and converted into water vapor, and the water vapor is discharged to the outside along the air duct.
5. The fresh air conditioner as claimed in claim 4, wherein the dehumidifying device further comprises a first baffle rotatably disposed in the air duct and located on an air inlet side of the drying unit; the first baffle can be controlled to rotate, so that the air duct is opened or closed;
the fresh air device also comprises a second baffle plate, and the second baffle plate is rotatably arranged at the fresh air inlet; the second baffle can be controlled to rotate, so that the fresh air inlet is opened or closed.
6. The fresh air conditioner as claimed in claim 5, wherein the dehumidifying device further comprises a first driving motor, and the first driving motor is in driving connection with the first baffle and drives the first baffle to rotate;
the fresh air device also comprises a second driving motor and a fan assembly, and the second driving motor is in driving connection with the second baffle and drives the second baffle to rotate;
the fan assembly comprises fan blades and a fan which is in driving connection with the fan blades, and the fan drives the fan blades to rotate so that outdoor air enters the fresh air device.
7. The fresh air conditioner according to claim 6, further comprising a temperature sensor, a humidity sensor and a controller; the temperature sensor is used for detecting the temperature of outdoor air; the humidity sensor is arranged in the cavity and used for detecting the humidity of the drying agent; the fresh air conditioner comprises a fresh air dehumidification mode and a heating and drying mode;
the controller is electrically connected with the temperature sensor, the humidity sensor, the heating unit, the first driving motor, the second driving motor and the fan respectively;
when the fresh air conditioner operates in a fresh air dehumidification mode, the controller controls the first driving motor to rotate so that the first baffle opens the air channel, controls the second driving motor to rotate so that the second baffle opens the fresh air inlet, controls the fan to drive the fan blades to rotate, controls the heating unit to operate according to data transmitted by the temperature sensor, and further controls outdoor air to enter the air channel, sequentially flow through the drying unit and the heating unit, and then enter the fresh air device through the air supply pipe;
when the fresh air conditioner operates in a heating and drying mode, the controller controls the first driving motor to rotate according to data transmitted by the humidity sensor so that the first baffle plate opens the air channel, controls the second driving motor to rotate so that the second baffle plate closes the fresh air inlet and controls the heating unit to operate, and then water in the drying agent is heated and converted into water vapor and is discharged outdoors along the air channel.
8. The fresh air conditioner as claimed in claim 1, wherein an air inlet of the air duct is formed at one end of the air duct close to the outdoor; the dehumidification device also comprises a first filter screen assembly, and the first filter screen assembly is positioned on the air inlet side of the drying unit and is arranged at the air inlet of the air duct; the first filter screen assembly comprises a first mounting plate, a grating and a first filter screen supported on the grating, the first mounting plate is fixed on a wall, and the grating is arranged in the middle of the first mounting plate;
when outdoor air flows through the first filter screen assembly, particulate matters in the outdoor air can be trapped by the first filter screen.
9. The fresh air conditioner as claimed in claim 8, wherein the dehumidifier further comprises a rain cover and an adapter, the rain cover is located at the air inlet of the air duct and is disposed on the first mounting plate;
the air duct is close to indoor one end and is formed with air duct air outlet, the air duct air outlet passes through the adapter with the other end of blast pipe to be connected.
10. A control method of a fresh air conditioner according to any one of claims 1 to 9, wherein the fresh air conditioner comprises a fresh air dehumidification mode and a heating and drying mode; the control method comprises the following steps:
when the fresh air conditioner operates in a fresh air dehumidification mode, the first baffle is controlled to open the air duct, the second baffle is controlled to open the fresh air inlet, and the fan blades are controlled to rotate;
when the fresh air conditioner operates in a heating and drying mode, the first baffle is controlled to open the air duct, the second baffle is controlled to close the fresh air inlet, and the heating unit is controlled to operate.
11. The control method of the fresh air conditioner according to claim 10, further comprising:
when the fresh air conditioner operates in a fresh air dehumidification mode, detecting the temperature of outdoor air;
comparing the temperature of the outdoor air with a preset temperature;
and when the temperature of the outdoor air is lower than the preset temperature, controlling the heating unit to operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210165495.8A CN114396659A (en) | 2022-02-17 | 2022-02-17 | Fresh air conditioner and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210165495.8A CN114396659A (en) | 2022-02-17 | 2022-02-17 | Fresh air conditioner and control method |
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| CN114396659A true CN114396659A (en) | 2022-04-26 |
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| CN202210165495.8A Pending CN114396659A (en) | 2022-02-17 | 2022-02-17 | Fresh air conditioner and control method |
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