CN111076297A - Indoor unit of ceiling type fresh air conditioner - Google Patents
Indoor unit of ceiling type fresh air conditioner Download PDFInfo
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- CN111076297A CN111076297A CN202010059490.8A CN202010059490A CN111076297A CN 111076297 A CN111076297 A CN 111076297A CN 202010059490 A CN202010059490 A CN 202010059490A CN 111076297 A CN111076297 A CN 111076297A
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- fresh air
- heat exchanger
- filter screen
- indoor unit
- 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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial 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
- 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
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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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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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
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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
- F24F11/62—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
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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
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
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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
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F13/24—Means for preventing or suppressing noise
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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
- F24F7/007—Ventilation with forced flow
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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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention discloses a ceiling type fresh air conditioner indoor unit, and relates to the field of household appliances. The invention comprises a shell, a centrifugal fan, a heat exchanger, a water pan, a filter screen assembly and an electric control box, wherein the shell is provided with a fresh air inlet, a return air inlet and an air supply outlet. A fresh air inlet and a return air inlet are arranged on one side of the shell in parallel, and an air supply outlet is arranged on the other side opposite to the one side; a centrifugal fan, a heat exchanger and a filter screen assembly are sequentially arranged behind an air supply outlet in the shell, and an electric control box is arranged above a cavity between the filter screen assembly and the fresh air inlet and between the filter screen assembly and the return air inlet; the heat exchanger inclines downwards from the upper end of the filter screen assembly to the direction of the air supply outlet, and a water receiving disc is arranged below the heat exchanger. The invention provides a ceiling type fresh air conditioner indoor unit which can adjust indoor temperature and humidity, simultaneously introduce outdoor oxygen-enriched fresh air into a room through filtration and purification, has small equipment volume and lower requirement on installation space, and can be installed in a ceiling in a concealed manner.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a new fan.
Background
The width of a common central air conditioner coil pipe machine is generally about 500mm, the height of the common central air conditioner coil pipe machine is generally about 300mm, and a relatively wide and high (the width of the common central air conditioner coil pipe machine is generally more than 600mm, and the height of the common central air conditioner coil pipe machine is generally more than 400 mm) linear suspended ceiling is needed for installation, so that the attractiveness of the suspended ceiling is influenced; when the temperature and humidity of indoor air are regulated, a relatively closed indoor environment is needed, the indoor air cannot be circularly exchanged with outdoor air, so that the content of indoor oxygen is continuously reduced, the content of carbon dioxide is continuously increased, and the indoor air is expected to be harmful to the health of a human body in the environment.
Although the circulation of indoor outer air can be realized to current new fan, can't carry out effective regulation and control to the humiture of air.
Although there are several air conditioners with fresh air function in the market, the appearance and installation mode of the product are the same as those of the traditional wall-mounted or floor-type air conditioner, and the product occupies indoor space. Because the installation is not concealed, lead to equipment body, new trend pipeline, copper pipe etc. to be visible, influence indoor pleasing to the eye degree. In addition, the product is only provided with a filter screen with low purification efficiency, so that the indoor air cannot be efficiently filtered, and the air cannot be purified.
For example, the utility model discloses a patent application publication No. CN208704096U, publication No. 2019, 4.5.a, the utility model discloses a ceiling type function-converting air cleaner, which discloses a ceiling type function-converting air cleaner, comprising a housing with an upper opening, a top cover, a main body, an air intake fan, an air exhaust fan, an outdoor fresh air primary filter screen, an indoor filter screen and functional components, wherein the indoor end of the housing is provided with an indoor return air interface and a fresh air inlet interface, and the outdoor end is provided with an outdoor fresh air interface and an air exhaust interface; the main body comprises an outdoor air inlet, an outdoor fresh air primary filter cavity, a function cavity, an indoor filter cavity, an air inlet fan cavity, an indoor fresh air port, an indoor recovery port, an air guide channel, an air exhaust fan cavity and an air exhaust port; the main body is embedded into the shell, and the top cover is buckled with the upper opening of the main body; the method is characterized in that: the indoor fresh air inlet, the air inlet fan cavity, the air outlet fan cavity and the air outlet are positioned on one side of the main body, and the outdoor air inlet, the outdoor fresh air primary filter cavity, the functional cavity and the indoor recovery port are positioned on the other side of the main body; the outdoor fresh air primary filter screen, the functional component and the indoor filter screen are detachably connected with the outdoor fresh air primary filter cavity, the functional cavity and the indoor filter cavity respectively; when the heat is maintained or replaced, the outdoor fresh air primary filter screen, the indoor filter screen and the functional components are detached from the bottom or the side parts of the main body and the shell. The defects that although the replacement or cleaning is convenient and the function conversion is convenient, the equipment is large in volume, the requirement on the installation space is high, and the filtering efficiency is not high.
Disclosure of Invention
The invention overcomes the problems that the common central air-conditioning coiler and the fresh air conditioner in the prior art have higher requirements on installation space and the existing fresh air machine cannot adjust temperature and humidity, provides a ceiling type fresh air-conditioning indoor unit which can adjust indoor temperature and humidity, simultaneously filter and purify outdoor oxygen-enriched fresh air and introduce the outdoor oxygen-enriched fresh air into a room, has small equipment volume and lower requirements on installation space, and can be installed in a ceiling in a concealed manner.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a ceiling type fresh air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, a water receiving disc, a filter screen assembly and an electric control box, wherein a fresh air inlet, a return air inlet and an air supply outlet are formed in the shell, the fresh air inlet and the return air inlet are arranged on one side of the shell in parallel, and the air supply outlet is formed in the other side, opposite to the one side, of the shell; a centrifugal fan, a heat exchanger and a filter screen assembly are sequentially arranged behind an air supply outlet in the shell, and an electric control box is arranged above a cavity between the filter screen assembly and the fresh air inlet and between the filter screen assembly and the return air inlet; the heat exchanger inclines downwards from the upper end of the filter screen assembly to the direction of the air supply outlet, and a water receiving disc is arranged below the heat exchanger.
The design of arranging the air supply outlet, the centrifugal fan, the heat exchanger and the fresh air return inlet in sequence can achieve the effect of maximizing the contact area of the air flow and the heat exchanger, and the heat exchange efficiency of the equipment is higher. The heat exchanger inclines downwards from the upper end of the filter screen assembly to the direction of the air supply outlet, so that the contact area between outdoor fresh air entering from the fresh air inlet and indoor dirty air entering from the air return inlet and the heat exchanger is increased, the conversion efficiency is improved, the whole height of the indoor unit of the fresh air conditioner is reduced due to the inclined arrangement, and the space is saved. The water pan is arranged below the heat exchanger, so that the leakage problem of the condensed water in the equipment can be effectively avoided.
Preferably, the upper end of the heat exchanger is flush with the upper end of the filter screen assembly.
Preferably, the lower end of the heat exchanger is arranged below the air supply outlet.
The upper end of heat exchanger and the upper end parallel and level of filter screen subassembly, the lower extreme of heat exchanger is established in the supply-air outlet below, sets up the more comprehensive process heat exchanger of outdoor new trend and indoor dirty wind that makes the entering like this, improves the exchange efficiency of heat exchanger, makes the condensate water that each position of heat exchanger produced moreover all can catch along with the direction of wind blow along the heat exchanger downward sloping and collect in the water collector, effectively avoids the seepage problem of comdenstion water in equipment inside.
Preferably, the high-pressure pipe and the low-pressure pipe of the heat exchanger extend from the end face of the air supply opening.
The high-pressure pipe and the low-pressure pipe of the heat exchanger extend out of the end face of the air supply outlet, so that condensed water generated by all parts of the heat exchanger can be collected in the water pan.
Preferably, an electronic expansion valve is arranged on the high-pressure pipe.
The application of the electronic expansion valve realizes the frequency conversion multiplex function of the fresh air conditioner indoor unit.
Preferably, the water receiving tray is connected with the water discharging pipe and extends out of the end face of the air supply opening.
The condensed water generated at each part of the heat exchanger can be collected in the water receiving tray along the downward inclined direction of the heat exchanger along with the blowing of wind, and then is discharged by the drain pipe connected to the end face of the air supply outlet, so that the drainage is smoother, and the leakage problem of the condensed water in the equipment is effectively avoided.
Preferably, the fresh air inlet and the return air inlet are provided with electric air valves on the outer side of the shell.
The electric air valve is used for controlling the opening and closing of the fresh air inlet and the air return inlet, so that the indoor unit of the fresh air conditioner can be switched into different modes.
Preferably, an electric heating module is arranged between the heat exchanger and the centrifugal fan and fixed inside the water pan.
The electric heating module is installed between the heat exchanger and the centrifugal fan, is fixed inside the water tank, and can realize higher efficiency of improving the indoor air temperature under the working condition of heating in winter.
Preferably, the water collector is characterized in that heat preservation and noise reduction cotton is arranged between the water collector and the shell.
The heat preservation and noise reduction cotton is arranged, so that the phenomenon that the outer surface of the equipment is dewed under the refrigeration or dehumidification working condition can be avoided while the sound insulation and noise reduction are realized.
Preferably, the heat preservation and noise reduction cotton is clamped and fixed with the filter screen assembly through the end face of the air supply outlet.
A metal fastener is not used for connecting the shell in a fixing mode, so that the energy loss under the refrigeration and heating working condition can be effectively reduced, and the dewing problem of the outer surface of the shell under the refrigeration or dehumidification working condition is avoided.
Compared with the prior art, the invention has the beneficial effects that:
1. the design of arranging the air supply outlet, the centrifugal fan, the heat exchanger and the fresh air return inlet in sequence can achieve the effect of maximizing the contact area of the air flow and the heat exchanger, and the heat exchange efficiency of the equipment is higher.
2. The invention has small height and width, lower requirement on installation condition and installation space saving.
3. When the electric air valve at the air return opening is closed and the electric air valve at the fresh air opening is opened, indoor and outdoor air can circulate, and the invention plays a role of a unidirectional flow fresh air machine; when the fresh air inlet electric air valve is closed and the return air inlet electric air valve is opened, indoor air can be purified and filtered, and the air purifier plays a role of an air purifier.
4. The heat-preservation noise-reduction structure adopted by the invention has a simple structure and an obvious effect, and can prevent the condensation phenomenon of the outer surface of the equipment under the refrigeration or dehumidification working condition while insulating sound and reducing noise.
Drawings
Fig. 1 is a first overall schematic diagram of a ceiling type fresh air conditioner indoor unit.
Fig. 2 is a second overall schematic diagram of the ceiling type fresh air conditioner indoor unit.
Fig. 3 is an air flow diagram of the indoor unit of the ceiling type fresh air conditioner.
FIG. 4 is a schematic view of the fixed side of the heat preservation structure of the indoor unit of the ceiling type fresh air conditioner.
FIG. 5 is a schematic view showing the fixing of the heat insulation structure of the indoor unit of the ceiling type fresh air conditioner
In the figure: 1-air supply outlet, 21-fresh air inlet, 22-fresh air electric air valve, 31-air return inlet, 32-air return electric air valve, 4-heat exchanger, 5-centrifugal fan, 6-shell, 7-water pan, 8-electric heating module, 9-electronic expansion valve, 10-electric control box, 11-maintenance cover plate, 12-heat preservation silencing cotton and 13-filter screen component.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the indoor unit of a ceiling type fresh air conditioner comprises a casing 6, a centrifugal fan 5, a heat exchanger 4, a water pan 7, a filter screen assembly 13 and an electric control box 10, wherein the casing 6 is provided with a fresh air inlet 21, a return air inlet 31 and an air supply opening 1, one side of the casing 6 is provided with the fresh air inlet 21 and the return air inlet 31 in parallel, and the other side opposite to the one side is provided with the air supply opening 1; a centrifugal fan 5, a heat exchanger 4 and a filter screen assembly 13 are sequentially arranged behind an air supply outlet 1 in the shell 6, and an electric control box 10 is arranged above a cavity between the filter screen assembly 13 and the fresh air inlet 21 and the return air inlet 31; the heat exchanger 4 inclines downwards from the upper end of the filter screen assembly 13 to the direction of the air supply outlet 1, and a water receiving disc 7 is arranged below the heat exchanger 4.
The design of arranging the air supply outlet 1, the centrifugal fan 5, the heat exchanger 4 and the fresh air return opening 31 in sequence can achieve the effect of maximizing the contact area of the air flow and the heat exchanger 4, and the heat exchange efficiency of the equipment is higher. The heat exchanger 4 inclines downwards from the upper end of the filter screen assembly 13 to the direction of the air supply outlet 1, so that the contact area between outdoor fresh air entering from the fresh air inlet 21 and indoor dirty air entering from the air return inlet 31 and the heat exchanger 4 is increased, the conversion efficiency is improved, the whole height of the fresh air conditioner indoor unit is reduced due to the inclined arrangement, and the space is saved. A water receiving tray 7 is arranged below the heat exchanger 4, so that the leakage problem of the condensed water in the equipment can be effectively avoided.
The upper end of heat exchanger 4 and the upper end parallel and level of filter screen subassembly 13, the lower extreme of heat exchanger 4 is established in supply-air outlet 1 below, sets up like this and makes the outdoor new trend of entering and the more comprehensive process heat exchanger 4 of indoor foul wind, improves the exchange efficiency of heat exchanger 4, makes the condensate water that each position of heat exchanger 4 produced moreover all can catch in water collector 7 along with the direction of heat exchanger 4 downward sloping along with the wind blows. Meanwhile, a high-pressure pipe and a low-pressure pipe of the heat exchanger 4 extend out of the end face of the air supply opening 1, and condensed water generated by all parts of the heat exchanger 4 can be collected in the water pan 7. And the water pan 7 is connected with the drain pipe and stretches out from the end face of the air supply opening 1, so that water in the water pan 7 can be discharged through the drain pipe, and the leakage problem of condensed water in the equipment is effectively avoided. Meanwhile, the electronic expansion valve 9 arranged on the high-pressure pipe of the heat exchanger 4 realizes the frequency conversion multi-connection function of the fresh air conditioner indoor unit.
An electric heating module 8 is arranged between the heat exchanger 4 and the centrifugal fan 5, and the electric heating module 8 is fixed inside the water pan 7. The electric heating module 8 adopts PTC electric heating technology, PTC is a semiconductor heating ceramic, when the outside temperature is reduced, the resistance value of the PTC is reduced, and the heating value is correspondingly increased. The electric heating module 8 can achieve higher efficiency in improving the indoor air temperature under the winter heating working condition.
And heat-preservation silencing cotton 12 is arranged between the water pan 7 and the shell 6, and the heat-preservation silencing cotton 12 is tightly clamped and fixed with the filter screen assembly 13 through the end surface of the air supply outlet 1. The water receiving tray 7 is knife-shaped and comprises a rectangular main body and a long water guide pipe at one side, and the water guide pipe is connected with a drain pipe extending from the end face of the air supply outlet 1. As can be seen from fig. 4, the housing 6 is clamped by the heat preservation and noise reduction cotton 12 in the width direction; the bottom and the upper part of the shell 6 which is paved with the heat preservation and noise reduction cotton 12 are bent and fixed in the height direction; in the longitudinal direction, as can be seen from fig. 5, the end face of the air outlet 1 of the casing 6 laid with the heat-insulating and noise-reducing cotton 12 is clamped and fixed with the filter screen assembly 13. Casing 6 between filter screen subassembly 13 and supply-air outlet 1 all is equipped with heat preservation amortization cotton 12, does not use a metal fastener to be connected with casing 6 on fixed mode, can effectively reduce the loss of energy under refrigeration heating working condition like this, avoid the appearance of the dewfall problem of casing 6 surface under refrigeration or dehumidification operating mode, can effectively completely cut off the noise that noise source centrifugal fan 5 produced simultaneously, improve the energy-conserving efficiency of product, promote the travelling comfort of product.
And electric air valves are arranged on the outer sides of the shell 6 of the fresh air inlet 21 and the return air inlet 31, a fresh air electric air valve 22 is arranged outside the fresh air inlet 21, and a return air electric air valve 32 is arranged outside the return air inlet 31. The electric air valve is used for controlling the opening and closing of the fresh air inlet 21 and the air return inlet 31, so that the fresh air conditioner indoor unit can be switched into different modes. And a maintenance cover plate 11 is arranged below the shell 6, so that the maintenance of the indoor unit of the fresh air conditioner is facilitated.
The fresh air conditioner indoor unit has a temperature and humidity adjusting mode, an internal circulation mode, an external circulation mode and a mixed air mode.
Temperature and humidity regulation mode: indoor and outdoor air flows through the heat exchanger 4 to realize a heat exchange process, and then the air with the processed temperature and humidity is sent into the room to realize indoor refrigeration and heating and dehumidification. Under the working conditions of refrigeration and dehumidification, condensed water generated on fins of the heat exchanger 4 drops into the water pan 7 and is discharged to the outside through the water discharge pipe. Under the working condition of heating in winter, indoor and outdoor air still flows through the electric heating module 8, and the indoor air temperature is improved in a higher efficiency mode.
An internal circulation mode: the electric air valve 22 of new trend is closed, and the electric air valve 32 of return air is opened, and indoor air passes through the return air pipeline, the electric air valve 32 of return air, filter screen subassembly 13, heat exchanger 4, centrifugal fan 5, supply-air outlet 1 back and sends into indoorly through indoor supply-air duct, purifies the filtration to indoor air under this mode. If the temperature and humidity adjusting mode is started in the internal circulation mode, the temperature control and dehumidification efficiency is highest, and the temperature and humidity set by a user can be quickly achieved.
An external circulation mode: the fresh air electric air valve 22 is opened, the return air electric air valve 32 is closed, and outdoor air is delivered into a room through an indoor air delivery pipeline after passing through the fresh air pipeline, the fresh air electric air valve 22, the filter screen assembly 13, the heat exchanger 4, the centrifugal fan 5 and the air supply outlet 1. The air with rich oxygen is purified and sent to indoor, and the circulation flow of the indoor air and the outdoor air is realized by utilizing the micro-positive pressure principle.
A wind mixing mode: fresh air electric air valve 22 and return air electric air valve 32 are both opened, outdoor air enters into the electric control box 10 through a fresh air pipeline and the fresh air electric air valve 22 to be placed in the section, indoor air enters into the electric control box 10 through the return air pipeline and the return air electric air valve 32 to be placed in the section, and then two kinds of air are mixed and are sent into the indoor space through the filter screen assembly 13, the heat exchanger 4, the centrifugal fan 5 and the air supply opening 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A ceiling type fresh air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, a water receiving disc, a filter screen assembly and an electric control box, wherein a fresh air inlet, a return air inlet and an air supply outlet are formed in the shell; a centrifugal fan, a heat exchanger and a filter screen assembly are sequentially arranged behind an air supply outlet in the shell, and an electric control box is arranged above a cavity between the filter screen assembly and the fresh air inlet and between the filter screen assembly and the return air inlet; the heat exchanger inclines downwards from the upper end of the filter screen assembly to the direction of the air supply outlet, and a water receiving disc is arranged below the heat exchanger.
2. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 1, wherein the upper end of the heat exchanger is flush with the upper end of the filter screen assembly.
3. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 1, wherein the lower end of the heat exchanger is disposed below the air supply outlet.
4. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 1, wherein the high pressure pipe and the low pressure pipe of the heat exchanger protrude from the end face of the air supply opening.
5. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 4, wherein the high pressure pipe is provided with an electronic expansion valve.
6. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 1, wherein the water receiving tray connecting drain pipe extends from the end face of the air supply outlet.
7. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 1, wherein the fresh air inlet and the return air inlet are provided with electric air valves at the outer side of the casing.
8. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 1, wherein an electric heating module is arranged between the heat exchanger and the centrifugal fan, and the electric heating module is fixed inside the water pan.
9. The indoor unit of claim 1, wherein a heat insulating and noise reducing cotton is disposed between the water pan and the casing.
10. The indoor unit of a suspended ceiling type fresh air conditioner as claimed in claim 1, wherein the heat insulating and noise reducing cotton is fixed by clamping with the end face of the air supply outlet and the filter screen assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059490.8A CN111076297A (en) | 2020-01-19 | 2020-01-19 | Indoor unit of ceiling type fresh air conditioner |
| PCT/CN2020/110518 WO2021143132A1 (en) | 2020-01-19 | 2020-08-21 | Ceiling-mounted fresh air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059490.8A CN111076297A (en) | 2020-01-19 | 2020-01-19 | Indoor unit of ceiling type fresh air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111076297A true CN111076297A (en) | 2020-04-28 |
Family
ID=70323742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010059490.8A Pending CN111076297A (en) | 2020-01-19 | 2020-01-19 | Indoor unit of ceiling type fresh air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111076297A (en) |
| WO (1) | WO2021143132A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143132A1 (en) * | 2020-01-19 | 2021-07-22 | 浙江星光电科智能家居科技有限公司 | Ceiling-mounted fresh air conditioner indoor unit |
| CN114183831A (en) * | 2021-12-16 | 2022-03-15 | 东莞市净诺环境科技股份有限公司 | Energy-saving domestic furred ceiling new fan device based on frequency conversion technique |
| WO2023279876A1 (en) * | 2021-07-08 | 2023-01-12 | 青岛海尔智能技术研发有限公司 | Air conditioner |
| CN115763934A (en) * | 2022-11-17 | 2023-03-07 | 东莞光亚智能科技有限公司 | Battery formation and capacity grading equipment and cooling method thereof |
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| CN113819599B (en) * | 2021-08-30 | 2022-12-23 | 青岛海尔空调器有限总公司 | Air conditioner and control method of air conditioner |
| CN114484713A (en) * | 2022-02-28 | 2022-05-13 | 青岛海尔空调器有限总公司 | Control method of air conditioner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473512Y (en) * | 2001-03-27 | 2002-01-23 | 张端桥 | Air adjustable indoor air heat exchanger |
| KR20090069999A (en) * | 2007-12-26 | 2009-07-01 | 주식회사 대우일렉트로닉스 | Indoor machine in heat pump air-conditioner |
| CN209026958U (en) * | 2018-04-26 | 2019-06-25 | 蔡仁 | A kind of air conditioner indoor unit |
| CN108413500B (en) * | 2018-04-26 | 2023-11-28 | 蔡仁 | Indoor unit of air conditioner |
| CN208332484U (en) * | 2018-06-01 | 2019-01-04 | 北京晶海科技有限公司 | A kind of air conditioner indoor unit of small temperature difference air-supply |
| CN111076297A (en) * | 2020-01-19 | 2020-04-28 | 浙江星光电科智能家居科技有限公司 | Indoor unit of ceiling type fresh air conditioner |
-
2020
- 2020-01-19 CN CN202010059490.8A patent/CN111076297A/en active Pending
- 2020-08-21 WO PCT/CN2020/110518 patent/WO2021143132A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143132A1 (en) * | 2020-01-19 | 2021-07-22 | 浙江星光电科智能家居科技有限公司 | Ceiling-mounted fresh air conditioner indoor unit |
| WO2023279876A1 (en) * | 2021-07-08 | 2023-01-12 | 青岛海尔智能技术研发有限公司 | Air conditioner |
| CN114183831A (en) * | 2021-12-16 | 2022-03-15 | 东莞市净诺环境科技股份有限公司 | Energy-saving domestic furred ceiling new fan device based on frequency conversion technique |
| CN115763934A (en) * | 2022-11-17 | 2023-03-07 | 东莞光亚智能科技有限公司 | Battery formation and capacity grading equipment and cooling method thereof |
| CN115763934B (en) * | 2022-11-17 | 2023-11-03 | 东莞光亚智能科技有限公司 | Battery formation component equipment and cooling method thereof |
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| WO2021143132A1 (en) | 2021-07-22 |
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