CN110686318A - Cabinet type air conditioner indoor unit - Google Patents

Cabinet type air conditioner indoor unit Download PDF

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Publication number
CN110686318A
CN110686318A CN201810630959.1A CN201810630959A CN110686318A CN 110686318 A CN110686318 A CN 110686318A CN 201810630959 A CN201810630959 A CN 201810630959A CN 110686318 A CN110686318 A CN 110686318A
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CN
China
Prior art keywords
air
centrifugal fan
air outlet
indoor unit
adjusting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810630959.1A
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Chinese (zh)
Inventor
孙婷
郝本华
成汝振
王佳林
刘兢
张培虎
蔡婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201810630959.1A priority Critical patent/CN110686318A/en
Priority to PCT/CN2019/087854 priority patent/WO2019242449A1/en
Publication of CN110686318A publication Critical patent/CN110686318A/en
Pending legal-status Critical Current

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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • 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
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a cabinet type air conditioner indoor unit. The indoor unit of the cabinet air conditioner comprises a shell, an upper centrifugal fan, a lower centrifugal fan, an air guide channel and an indoor heat exchanger. Wherein, the shell is provided with a shell air inlet, an upper air outlet, a middle air outlet and a lower air outlet. The top and the bottom of the air guide channel are respectively provided with a top vent and a bottom vent, the front wall is provided with a channel air outlet and is respectively communicated with a volute air channel of the upper centrifugal fan and a volute air channel of the lower centrifugal fan through the top vent and the bottom vent. The fan air outlet of the upper centrifugal fan, the channel air outlet and the fan air outlet of the lower centrifugal fan are configured to respectively supply air to the upper air outlet, the middle air outlet and the lower air outlet, so that the indoor unit of the cabinet air conditioner can realize the purpose of supplying air to part of the air outlets of the casing or simultaneously supplying air to three air outlets of the casing only through impellers of the two centrifugal fans, and has higher flexibility.

Description

Cabinet type air conditioner indoor unit
Technical Field
The invention relates to the field of air treatment, in particular to a cabinet type air conditioner indoor unit.
Background
In the prior art, the cabinet air conditioner indoor unit adopting the centrifugal fan to supply air is mostly provided with the centrifugal fan at the upper part of the cabinet air conditioner, so that the air outlet area is small, the air outlet area corresponds to the head part of a human body and the space position above the head part, when the cabinet air conditioner is in a heating state, hot air flows upwards and hardly reaches the feet of a user, the upper temperature is high, the lower temperature is low, and the comfort level of the user is low. In general terms, there is a need for a cabinet air conditioner indoor unit capable of supplying air in a partitioned manner.
Disclosure of Invention
The invention aims to provide a cabinet type air conditioner indoor unit capable of supplying air in a partitioned mode.
A further object of the present invention is to provide a cabinet air conditioner with multiple air supply modes.
Another further object of the present invention is to make the air flow in the wind guide channel and the volute air channels of the upper centrifugal fan and the lower centrifugal fan smoother.
One object of the present invention is to provide a cabinet type air conditioner indoor unit, comprising:
the shell is provided with a shell air inlet and a plurality of shell air outlets;
the upper centrifugal fan and the lower centrifugal fan are arranged in the shell and are respectively positioned at the upper part and the lower part of the shell; and
the indoor heat exchanger is arranged on an air inlet flow path between the air inlet of the shell and the upper centrifugal fan and between the air inlet flow path and the lower centrifugal fan; it is characterized in that the cabinet air-conditioner indoor unit further comprises:
the top and the bottom of the air guide channel are respectively provided with a top vent and a bottom vent, the front wall of the air guide channel is provided with a channel air outlet, and the air guide channel is respectively communicated with a volute air channel of the upper centrifugal fan and a volute air channel of the lower centrifugal fan through the top vent and the bottom vent; and is
The plurality of shell air outlets are respectively an upper air outlet, a middle air outlet and a lower air outlet, and a fan air outlet of the upper centrifugal fan, a channel air outlet and a fan air outlet of the lower centrifugal fan respectively correspond to the upper air outlet, the middle air outlet and the lower air outlet.
Optionally, the cabinet air conditioner indoor unit further includes:
an upper regulation plate configured to be rotatable between an open position to open the top vent and close a fan outlet of the upper centrifugal fan and a closed position to close the top vent; and
a lower regulating plate configured to be rotatable between an open position to open the bottom vent and close a fan outlet of the lower centrifugal fan and a closed position to close the bottom vent.
Optionally, in a normal operating mode, the upper regulating plate and the lower regulating plate are respectively rotated to their closed positions; and the impellers of the upper centrifugal fan and the lower centrifugal fan are configured to work synchronously.
Optionally, in the energy-saving heating mode, the lower adjusting plate rotates to the closing position thereof, and an impeller of the lower centrifugal fan works; and/or
In the energy-saving refrigeration mode, the upper adjusting plate rotates to the closing position, and an impeller of the upper centrifugal fan works.
Optionally, in the powerful heating mode, the upper regulating plate rotates to the opening position thereof, the lower regulating plate moves to the closing position thereof, and the impellers of the upper centrifugal fan and the lower centrifugal fan work synchronously; and/or
In the forced cooling mode, the upper regulating plate rotates to the closed position thereof, the lower regulating plate moves to the open position thereof, and the impellers of the upper centrifugal fan and the lower centrifugal fan work synchronously.
Optionally, in the comfort blowing mode, the upper adjustment plate and the lower adjustment plate rotate to their open positions, respectively, and the impellers of the upper centrifugal fan and the lower centrifugal fan work synchronously.
Optionally, in the user-defined mode, the upper adjustment plate and the lower adjustment plate are configured to rotate to their closed positions or an intermediate position between their open positions and closed positions, respectively, according to an adjustment instruction input by a user, and the impellers of the upper centrifugal fan and the lower centrifugal fan operate synchronously.
Optionally, the middle air outlet is composed of a first air outlet and a second air outlet which are respectively arranged at two transverse end portions of the front side wall of the casing.
Optionally, the upper and lower adjusting plates are each configured to have a thickness that gradually decreases from a connecting end thereof to a free end thereof.
Optionally, the air guide channel is configured to be in smooth transition connection with a volute air duct of the upper centrifugal fan and a volute air duct of the lower centrifugal fan; and/or
The plate surface of the upper adjusting plate is in smooth transition connection with the inner wall of the air guide channel and the inner wall of the volute air channel of the upper centrifugal fan when the upper adjusting plate is in an opening position and a closing position; and/or
The plate surface of the lower adjusting plate is in smooth transition connection with the inner wall of the air guide channel and the inner wall of the volute air channel of the lower centrifugal fan when the lower adjusting plate is in an opening position and a closing position.
The invention arranges the two centrifugal fans one above the other and the wind guide channel of the volute air duct with the channel air outlet on the front wall and communicated with the upper centrifugal fan and the lower centrifugal fan in the casing, and arranges the fan air outlet of the upper centrifugal fan, the channel air outlet and the fan air outlet of the lower centrifugal fan to supply air to the upper air outlet, the middle air outlet and the lower air outlet respectively, so that the indoor unit of the cabinet air conditioner can realize the air supply to partial air outlets of the casing or simultaneously supply air to three air outlets of the casing only by impellers of the two centrifugal fans, thereby having higher flexibility.
Furthermore, the top vent and the bottom vent of the air guide channel are respectively provided with an upper adjusting plate and a lower adjusting plate which can be rotated to open and close the corresponding vents, so that the indoor unit of the cabinet air conditioner can adjust the air outlet proportion of the upper air outlet, the middle air outlet and the lower air outlet according to the requirements of users, the diversification of air supply modes is realized, and the user experience is improved.
Furthermore, the thicknesses of the upper adjusting plate and the lower adjusting plate are designed to be gradually reduced from the connecting ends to the free ends of the upper adjusting plate and the lower adjusting plate, so that gas can be conveniently shunted to the upper air outlet and the top vent when the upper adjusting plate is in the middle position, and can be conveniently shunted to the lower air outlet and the bottom vent when the lower adjusting plate is in the middle position, wind resistance is reduced, the gas flow rate is improved, the plate surface molded lines are convenient to optimize, the plate surfaces of the plate surfaces can be smoothly and transitionally connected with the inner wall of the volute air channel of the corresponding centrifugal fan and the inner wall of the wind guide channel, and the smoothness of the gas flowing in the wind guide channel and the volute air channels of the upper centrifugal fan.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
figure 1 is a schematic front view of a cabinet air-conditioning indoor unit according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the cabinet air conditioning indoor unit of FIG. 1 taken with the upper conditioning plate and the lower conditioning plate in a closed position;
FIG. 3 is a schematic cross-sectional view of the cabinet air conditioning indoor unit of FIG. 1 taken with the upper conditioning panel in an open position and the lower conditioning panel in a closed position;
FIG. 4 is a schematic cross-sectional view of the cabinet air conditioning indoor unit of FIG. 1 taken with the upper conditioning panel in the closed position and the lower conditioning panel in the open position;
FIG. 5 is a schematic cross-sectional view of the cabinet air conditioning indoor unit of FIG. 1 taken with the upper conditioning panel and the lower conditioning panel in an open position;
FIG. 6 is a schematic cross-sectional view of the cabinet air conditioning indoor unit of FIG. 1 taken with the upper conditioning panel in a closed position and the lower conditioning panel in an intermediate position;
FIG. 7 is a schematic cross-sectional view of the cabinet air conditioning indoor unit of FIG. 1 taken with the upper conditioning panel in a middle position and the lower conditioning panel in an open position;
figure 8 is a schematic cross-sectional view of the cabinet air conditioning indoor unit of figure 1 taken with the upper conditioning plate and the lower conditioning plate in an intermediate position.
Detailed Description
Fig. 1 is a schematic front view of a cabinet air-conditioning indoor unit 100 according to one embodiment of the present invention; fig. 2 is a schematic sectional view of the cabinet air-conditioning indoor unit 100 of fig. 1, taken when both the upper regulation plate 150 and the lower regulation plate 160 are in the closed position. Referring to fig. 1 and 2, the cabinet air conditioner indoor unit 100 may include a cabinet 110 defining a cabinet air inlet and a plurality of cabinet air outlets, an upper centrifugal fan 120, a lower centrifugal fan 130 disposed below the upper centrifugal fan 120, and an indoor heat exchanger 170 disposed on an air inlet flow path between the cabinet air inlet and the upper and lower centrifugal fans 120 and 130.
In particular, the cabinet air-conditioning indoor unit 100 may further include a wind guide passage 140 for communicating the upper centrifugal fan 120 and the lower centrifugal fan 130. The top and bottom of the air guiding channel 140 are respectively provided with a top vent 141 and a bottom vent 142 for communicating with the volute air duct of the upper centrifugal fan 120 and the volute air duct of the lower centrifugal fan 130, and the front wall thereof is provided with a channel air outlet. The casing air outlet may include an upper air outlet 111, a middle air outlet 112, and a lower air outlet 113 sequentially opened from top to bottom to the front side wall of the casing 110, and the blower air outlet of the upper centrifugal blower 120, the duct air outlet, and the blower air outlet of the lower centrifugal blower 130 may respectively correspond to the upper air outlet 111, the middle air outlet 112, and the lower air outlet 113, that is, the air flow blown out by the blower air outlet of the upper centrifugal blower 120, the duct air outlet, and the blower air outlet of the lower centrifugal blower 130 may respectively flow to the indoor environment via the upper air outlet 111, the middle air outlet 112, and the lower air outlet 113. In the present invention, the middle air outlet 112 may be composed of a first air outlet and a second air outlet respectively opened at two transverse ends of the front side wall of the casing 110, so as to prevent the air volume of the middle air outlet 112 from being too concentrated and directly blowing the human body.
In the invention, the upper centrifugal fan and the lower centrifugal fan are arranged in the casing 110, the air guide channel 140 is provided with the channel air outlet on the front wall and is communicated with the volute air channel of the upper centrifugal fan 120 and the lower centrifugal fan 130, and the fan air outlet of the upper centrifugal fan 120, the channel air outlet and the fan air outlet of the lower centrifugal fan 130 are configured to respectively supply air to the upper air outlet 111, the middle air outlet 112 and the lower air outlet 113, so that the indoor unit 100 of the cabinet air conditioner can realize that air is supplied to part of the air outlets of the casing 110 or simultaneously supplied to three air outlets of the casing 110 only through impellers of the two centrifugal fans, and has higher flexibility.
In some embodiments, the cabinet air-conditioner indoor unit 100 may further include an upper air deflector, a middle air deflector, and a lower air deflector for respectively opening and closing the upper air outlet 111, the middle air outlet 112, and the lower air outlet 113, and a user may select an air outlet height of the cabinet air-conditioner indoor unit 100 by controlling the opening and closing of the air deflectors corresponding to the air outlets. For example, the upper and lower air outlets 111 and 113 are closed and the middle air outlet 112 is opened, and the impellers of the upper and/or lower centrifugal fans 120 and 130 may blow an air flow to the middle air outlet 112. For example, the upper outlet 111, the middle outlet 112, and the lower outlet 113 are all opened, and the impellers of the upper centrifugal fan 120 and/or the lower centrifugal fan 130 may blow the air flow to the upper outlet 111, the middle outlet 112, and the lower outlet 113 at the same time.
In other preferred embodiments, the cabinet air-conditioning indoor unit 100 may further include an upper regulation plate 150 and a lower regulation plate 160. The upper regulation plate 150 may be configured to be rotatable between an open position to open the top vent 141 and close the fan outlet of the upper centrifugal fan 120 and a closed position to close the top vent 141. The lower regulation plate 160 may be configured to be rotatable between an open position to open the bottom vent 142 and close the fan outlet of the lower centrifugal fan 130 and a closed position to close the bottom vent 142. In the invention, the top vent 141 and the bottom vent 142 of the air guide channel 140 are respectively provided with the upper adjusting plate 150 and the lower adjusting plate 160 which can rotate to open and close the corresponding vents, so that the cabinet type air-conditioning indoor unit 100 can adjust the air outlet proportion of the upper air outlet 111, the middle air outlet 112 and the lower air outlet 113 according to the requirement of a user, thereby realizing the diversification of air supply modes and improving the user experience. The air blowing mode of the cabinet air conditioner indoor unit 100 according to the present invention will be described in detail.
The operation modes of the cabinet air-conditioner indoor unit 100 may include a normal operation mode, an energy saving operation mode, a powerful operation mode, and a user-defined mode. Specifically, referring to fig. 2, in the normal operation mode, the upper adjustment plate 150 and the lower adjustment plate 160 may rotate to their closed positions respectively, and the impellers of the upper centrifugal fan 120 and the lower centrifugal fan 130 may operate synchronously to force the air to flow to the upper air outlet 111 and the lower air outlet 113 respectively, so that the indoor areas corresponding to the upper air outlet 111 and the lower air outlet 113 may be heated or cooled rapidly. The energy-saving operation mode may be specifically classified into an energy-saving heating mode and an energy-saving cooling mode. In the energy saving heating mode, the lower regulating plate 160 may be rotated to its closed position and the impeller of the lower centrifugal fan 130 may be operated to force the air to flow toward the lower outlet 113. In the energy-saving refrigeration mode, the upper adjusting plate 150 rotates to the closed position, and the impeller of the upper centrifugal fan 120 is operated to promote the air to flow to the upper air outlet 111, so that the indoor temperature is uniform by utilizing the characteristics of the upward floating of the hot air and the downward sinking of the cold air, the cabinet type air-conditioning indoor unit 100 has higher refrigeration and heating efficiency while the energy consumption is saved, and the comfort level of a user is improved.
The forced operation mode may specifically include a forced heating mode and a forced cooling mode. Fig. 3 is a schematic cross-sectional view of the cabinet air-conditioning indoor unit 100 of fig. 1, taken with the upper regulation plate 150 in the open position and the lower regulation plate 160 in the closed position. Referring to fig. 3, in the powerful heating mode, the upper regulating plate 150 may be rotated to its open position, the lower regulating plate 160 may be moved to its closed position, and the impellers of the upper centrifugal fan 120 and the lower centrifugal fan 130 may be operated synchronously to cause the air to flow to the middle air outlet 112 and the lower air outlet 113, respectively, so that the temperature of the indoor environment is rapidly equalized and the user may rapidly sense the heat through the middle air outlet 112. Fig. 4 is a schematic cross-sectional view of the cabinet air-conditioning indoor unit 100 of fig. 1, taken when the upper regulation plate 150 is in the closed position and the lower regulation plate 160 is in the open position. Referring to fig. 4, in the forced cooling mode, the upper regulating plate 150 may be rotated to its closed position, and the lower regulating plate 160 may be moved to its open position, and the impellers of the upper centrifugal fan 120 and the lower centrifugal fan 130 may be operated synchronously to make the air flow to the upper outlet 111 and the middle outlet 112, respectively, so that the temperature of the indoor environment is rapidly and uniformly distributed, and the user may rapidly sense the cooling capacity through the middle outlet 112.
Fig. 5 is a schematic cross-sectional view of the cabinet air-conditioning indoor unit 100 of fig. 1, taken when both the upper regulation plate 150 and the lower regulation plate 160 are in the open position. Referring to fig. 5, in the comfortable air supply mode, the upper adjustment plate 150 and the lower adjustment plate 160 may rotate to their open positions, and the impellers of the upper centrifugal fan 120 and the lower centrifugal fan 130 operate synchronously to promote the air to flow to the middle air outlet 112, so that the air flow blown by the impeller of the upper centrifugal fan 120 and the air flow blown by the impeller of the lower centrifugal fan 130 mix air in a convection manner at the rear side of the middle air outlet 112, thereby improving the temperature uniformity of the air flow flowing to the middle air outlet 112, improving the air supply range of the middle air outlet 112, rapidly and uniformly maintaining the temperature of the indoor environment, improving the cooling and heating efficiency, and improving the comfort level.
Under the self-defined mode, upper portion regulating plate 150 and lower part regulating plate 160 set up to rotate to its closed position or one and lie in its intermediate position between open position and the closed position respectively according to the regulation instruction of user input correspondingly, and the impeller synchronous working of upper portion centrifugal fan 120 and lower part centrifugal fan 130, not only upper, middle, three air outlet air supply simultaneously down, the air supply scope is big, can change the amount of wind proportion of three air outlet according to user's real-time demand, and the flexibility is high, has better user experience.
Fig. 6 to 8 show three embodiments in the custom mode. Specifically, fig. 6 is a schematic cross-sectional view of the cabinet air-conditioning indoor unit 100 shown in fig. 1, taken with the upper regulation plate 150 in the closed position and the lower regulation plate 160 in the intermediate position. Referring to fig. 6, in the illustrated embodiment, the upper damper 150 is moved to its closed position, the lower damper 160 is moved to its intermediate position, the impeller of the upper centrifugal fan 120 forces the air to flow to the upper outlet 111, and the impeller of the lower centrifugal fan 130 forces the air to flow to the middle outlet 112 and the lower outlet 113, wherein the air volume of the upper outlet 111 is greater than the air volume of the middle outlet 112 or the lower outlet 113.
Fig. 7 is a schematic cross-sectional view of the cabinet air-conditioning indoor unit 100 of fig. 1, taken with the upper regulation plate 150 in the intermediate position and the lower regulation plate 160 in the open position. Referring to fig. 7, in the illustrated embodiment, the upper damper 150 is moved to its intermediate position, the lower damper 160 is moved to its closed position, the impeller of the upper centrifugal fan 120 forces the air to flow to the upper air outlet 111 and the middle air outlet 112, and the impeller of the lower centrifugal fan 130 forces the air to flow to the lower air outlet 113, wherein the air volume of the lower air outlet 113 is greater than the air volume of the upper air outlet 111 or the middle air outlet 112.
Fig. 8 is a schematic sectional view of the cabinet air-conditioning indoor unit 100 of fig. 1, taken when both the upper regulation plate 150 and the lower regulation plate 160 are in the intermediate position. Referring to fig. 8, in the illustrated embodiment, the upper damper plate 150 and the lower damper plate 160 are respectively moved to their intermediate positions, the upper centrifugal fan 120 causes the air to flow to the upper outlet 111 and the middle outlet 112, and the lower centrifugal fan 130 causes the air to flow to the lower outlet 113 and the middle outlet 112, so that the temperature of the air flow blown out from the middle outlet 112 is more uniform while the air is simultaneously blown through the upper, middle and lower outlets. In this embodiment, the upper regulation plate 150 and the lower regulation plate 160 are preferably configured such that the amount of air blown to the wind channel 140 by the impeller of the upper centrifugal fan 120 is equal to the amount of air blown to the wind channel 140 by the impeller of the lower centrifugal fan 130.
In the present invention, the upper regulation plate 150 and the lower regulation plate 160 may be disposed to be rotatably connected to the scroll ducts of the upper centrifugal fan 120 and the lower centrifugal fan 130, respectively, and driven to rotate between an open position and a closed position by two driving motors, respectively. In some preferred embodiments of the present invention, the thicknesses of the upper adjusting plate 150 and the lower adjusting plate 160 may be set to gradually decrease from the connection end (the end rotatably connected to the volute duct of the centrifugal fan) to the free end thereof, so as to facilitate gas diversion, reduce wind resistance, increase gas flow rate, and optimize the plate profile thereof, thereby making the gas flow along the surface thereof smoother.
The inner wall of the wind guide channel 140 may be configured to be in smooth transition connection with the volute duct of the upper centrifugal fan 120 and the volute duct of the lower centrifugal fan 130. The upper regulating plate 150 may have a plate surface configured to be smoothly and transitionally connected to the inner wall of the wind guiding passage 140 and the inner wall of the volute duct of the upper centrifugal fan 120, respectively, when the plate surface is in the open position and the closed position. The plate surface of the lower adjusting plate 160 may be configured to be in smooth transition connection with the inner wall of the wind guiding channel 140 and the inner wall of the scroll duct of the lower centrifugal fan 130 when the plate surface is in the open position and the closed position, respectively, so as to reduce wind resistance, and make the flow of air in the scroll ducts of the upper centrifugal fan 120 and the lower centrifugal fan 130 and the wind guiding channel 140 smoother.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A cabinet air conditioning indoor unit, comprising:
the shell is provided with a shell air inlet and a plurality of shell air outlets;
the upper centrifugal fan and the lower centrifugal fan are arranged in the shell and are respectively positioned at the upper part and the lower part of the shell; and
the indoor heat exchanger is arranged on an air inlet flow path between the air inlet of the shell and the upper centrifugal fan and between the air inlet flow path and the lower centrifugal fan; it is characterized in that the cabinet air-conditioner indoor unit further comprises:
the top and the bottom of the air guide channel are respectively provided with a top vent and a bottom vent, the front wall of the air guide channel is provided with a channel air outlet, and the air guide channel is respectively communicated with a volute air channel of the upper centrifugal fan and a volute air channel of the lower centrifugal fan through the top vent and the bottom vent; and is
The plurality of shell air outlets are respectively an upper air outlet, a middle air outlet and a lower air outlet, and a fan air outlet of the upper centrifugal fan, a channel air outlet and a fan air outlet of the lower centrifugal fan respectively correspond to the upper air outlet, the middle air outlet and the lower air outlet.
2. The cabinet air-conditioning indoor unit of claim 1, further comprising:
an upper regulation plate configured to be rotatable between an open position to open the top vent and close a fan outlet of the upper centrifugal fan and a closed position to close the top vent; and
a lower regulating plate configured to be rotatable between an open position to open the bottom vent and close a fan outlet of the lower centrifugal fan and a closed position to close the bottom vent.
3. The cabinet air-conditioning indoor unit of claim 2,
in a normal working mode, the upper adjusting plate and the lower adjusting plate respectively rotate to the closing positions thereof; and the impellers of the upper centrifugal fan and the lower centrifugal fan are configured to work synchronously.
4. The cabinet air-conditioning indoor unit of claim 2,
in the energy-saving heating mode, the lower adjusting plate rotates to the closing position, and an impeller of the lower centrifugal fan works; and/or
In the energy-saving refrigeration mode, the upper adjusting plate rotates to the closing position, and an impeller of the upper centrifugal fan works.
5. The cabinet air-conditioning indoor unit of claim 2,
in a powerful heating mode, the upper adjusting plate rotates to the opening position of the upper adjusting plate, the lower adjusting plate moves to the closing position of the lower adjusting plate, and impellers of the upper centrifugal fan and the lower centrifugal fan work synchronously; and/or
In the forced cooling mode, the upper regulating plate rotates to the closed position thereof, the lower regulating plate moves to the open position thereof, and the impellers of the upper centrifugal fan and the lower centrifugal fan work synchronously.
6. The cabinet air-conditioning indoor unit of claim 2,
under comfortable air supply mode, upper portion regulating plate and lower part regulating plate rotate to its open position respectively, just upper portion centrifugal fan and lower part centrifugal fan's impeller synchronous working.
7. The cabinet air-conditioning indoor unit of claim 2,
in the user-defined mode, the upper adjusting plate and the lower adjusting plate are respectively set to correspondingly rotate to the closing position or an intermediate position between the opening position and the closing position according to an adjusting instruction input by a user, and the impellers of the upper centrifugal fan and the lower centrifugal fan synchronously work.
8. The cabinet air-conditioning indoor unit of claim 1,
the middle air outlet is composed of a first air outlet and a second air outlet which are respectively arranged at two transverse end parts of the front side wall of the machine shell.
9. The cabinet air-conditioning indoor unit of claim 1,
the thickness of the upper adjusting plate and the lower adjusting plate is gradually reduced from the connecting end to the free end.
10. The cabinet air-conditioning indoor unit according to claim 1 or 9,
the air guide channel is arranged to be in smooth transition connection with a volute air channel of the upper centrifugal fan and a volute air channel of the lower centrifugal fan; and/or
The plate surface of the upper adjusting plate is in smooth transition connection with the inner wall of the air guide channel and the inner wall of the volute air channel of the upper centrifugal fan when the upper adjusting plate is in an opening position and a closing position; and/or
The plate surface of the lower adjusting plate is in smooth transition connection with the inner wall of the air guide channel and the inner wall of the volute air channel of the lower centrifugal fan when the lower adjusting plate is in an opening position and a closing position.
CN201810630959.1A 2018-06-19 2018-06-19 Cabinet type air conditioner indoor unit Pending CN110686318A (en)

Priority Applications (2)

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CN201810630959.1A CN110686318A (en) 2018-06-19 2018-06-19 Cabinet type air conditioner indoor unit
PCT/CN2019/087854 WO2019242449A1 (en) 2018-06-19 2019-05-21 Cabinet indoor air-conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810630959.1A CN110686318A (en) 2018-06-19 2018-06-19 Cabinet type air conditioner indoor unit

Publications (1)

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CN110686318A true CN110686318A (en) 2020-01-14

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CN201810630959.1A Pending CN110686318A (en) 2018-06-19 2018-06-19 Cabinet type air conditioner indoor unit

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CN (1) CN110686318A (en)
WO (1) WO2019242449A1 (en)

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Publication number Priority date Publication date Assignee Title
CN115978642B (en) * 2022-12-21 2024-06-04 珠海格力电器股份有限公司 Air conditioner

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
CN2420541Y (en) * 2000-03-18 2001-02-21 广东科龙空调器有限公司 Cabinet two air outlet cool and warm air conditioner
CN103062877B (en) * 2011-10-18 2015-07-15 珠海格力电器股份有限公司 Air-discharge assembly of split-and-floor-standing type air-conditioner and split-and-floor-standing type air-conditioner
CN103629739B (en) * 2012-08-22 2017-03-22 珠海格力电器股份有限公司 Multi-air-outlet air conditioner indoor unit
CN202792259U (en) * 2012-08-22 2013-03-13 珠海格力电器股份有限公司 Indoor unit of air conditioner with multiple air outlets
CN204063288U (en) * 2014-06-26 2014-12-31 美的集团股份有限公司 Air conditioner room unit
KR101516365B1 (en) * 2014-12-31 2015-05-04 엘지전자 주식회사 Air conditioner
CN107327920A (en) * 2017-07-20 2017-11-07 海信（山东）空调有限公司 A kind of hanging air conditioner
CN208920211U (en) * 2018-06-19 2019-05-31 青岛海尔空调器有限总公司 Cabinet type air conditioner indoor set

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