CN111998436A - Wall-mounted air conditioner indoor unit - Google Patents
Wall-mounted air conditioner indoor unit Download PDFInfo
- Publication number
- CN111998436A CN111998436A CN201910447099.2A CN201910447099A CN111998436A CN 111998436 A CN111998436 A CN 111998436A CN 201910447099 A CN201910447099 A CN 201910447099A CN 111998436 A CN111998436 A CN 111998436A
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- China
- Prior art keywords
- air
- heat exchange
- duct
- drainage
- air inlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/04—Air-mixing units
Abstract
The invention provides a wall-mounted air conditioner indoor unit, which comprises a shell, a heat exchange air inlet duct, a heat exchanger, a heat exchange air outlet duct, a fan and a non-heat exchange air drainage duct, wherein the heat exchange air inlet duct is formed in the shell and is communicated with an air inlet, the heat exchanger is arranged in the heat exchange air inlet duct, the heat exchange air outlet duct is communicated with the heat exchange air inlet duct, the fan is arranged in the heat exchange air outlet duct, the non-heat exchange air drainage duct is separated from the air inlet and the heat exchange air inlet duct and comprises a drainage port and a drainage duct, and the drainage duct is communicated with the drainage port and the heat exchange air outlet duct, so that indoor air flow entering through the drainage port is directly mixed with heat exchange air at the heat exchange air outlet duct. The air outlet of the invention is softer, and the air outlet is cool but not cold, so that the comfort level is improved; and the non-heat exchange air guide duct is separated from the heat exchange air inlet duct, so that the phenomenon of air robbery is avoided, and the refrigerating and heating performances of the product are not influenced.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to an improved structure of a wall-mounted air conditioner indoor unit.
Background
Along with the popularization of air conditioners and the popularization of health concepts, the requirement of users on the comfort of air supply of the air conditioners is higher and higher. The traditional air conditioner has strong air supply and direct cold air blowing, which causes poor user experience and frequent air conditioning problems. With the continuous progress of air conditioning technology, a drainage technology is provided, namely, partial indoor air flow is drained to the interior of the indoor unit, the partial air flow does not pass through a heat exchanger of the indoor unit and is called non-heat exchange air, and the non-heat exchange air and the heat exchange air after heat exchange of the heat exchanger of the indoor unit are mixed to form mixed air, and the mixed air is blown out from an air outlet of the indoor unit to cool the air.
However, the prior art has certain limitations, and the mixed flow is usually realized by changing the shape of the air conditioner hanging machine, so that the product volume is increased, and the cost is greatly increased; some auxiliary devices are additionally provided for special air supply to realize mixed flow, so that the cost is increased, and the change of volume and shape brings adverse effects on standardization and unification of a rear-end mounting link. Meanwhile, some models are arranged, the non-heat exchange channel and the heat exchange channel are both arranged at the air inlet, the inflow path of non-heat exchange air and the inflow path of heat exchange air are interfered, the non-heat exchange air channel is free of blocking of the heat exchanger, the pressure loss is small, the resistance is small, the air flow can preferably pass through the non-heat exchange air channel, the air flow passing through the heat exchanger is reduced, the commonly-known phenomenon that the non-heat exchange air channel rushes air is caused, the refrigerating performance and the heating performance of a product are seriously affected, the problem is solved through increasing the area of the air inlet area and increasing the rotating speed, and the adverse effects such as product size increasing and noise increasing can be brought.
Disclosure of Invention
The invention provides a wall-mounted air conditioner indoor unit, aiming at the technical problems that in the prior art, the inflow paths of non-heat exchange air and heat exchange air are interfered, and the air robbing of a non-heat exchange air channel seriously affects the refrigerating and heating performances of a product.
In order to solve the technical problems, the invention adopts the following technical scheme: an indoor unit of a wall-mounted air conditioner, comprising:
a housing having an air inlet and an air outlet formed thereon;
the heat exchange air inlet duct is formed in the shell and is communicated with the air inlet;
the heat exchanger is arranged in the heat exchange air inlet duct and is used for carrying out heat exchange with indoor air flow flowing into the heat exchange air inlet duct from the air inlet so as to form heat exchange air;
the heat exchange air outlet duct is formed in the shell, is communicated with the heat exchange air inlet duct and is used for guiding the heat exchange air to the air outlet;
the fan is arranged in the heat exchange air outlet duct and used for driving indoor air flow entering the shell to flow towards the air outlet; further comprising:
non-heat exchange wind drainage wind channel, with the air intake reaches heat exchange wind air inlet wind channel separates, is in including forming drainage mouth on the casing is in with forming drainage wind channel in the casing, drainage wind channel intercommunication the drainage mouth with heat exchange wind air-out wind channel makes the warp indoor air current that the drainage mouth got into directly with heat exchange wind air-out wind channel department heat exchange wind mixes.
The heat exchanger is a two-section type heat exchanger, the two heat exchangers are arranged in the front and at the back, the air inlet is located on the top side plate of the shell, and the drainage port is located on the front side plate of the shell.
And a first water receiving baffle is arranged below the front section heat exchanger of the heat exchanger, a second water receiving baffle is arranged below the rear section heat exchanger, and the non-heat exchange air drainage air channel and the heat exchange air inlet air channel are separated by the first water receiving baffle, the heat exchanger and the second water receiving baffle.
An opening and closing mechanism for opening and closing the drainage port is arranged on the drainage port.
The opening and closing mechanism comprises a driving motor, a first crank, a connecting rod, a second crank and an air deflector which is turned over to shield or expose the drainage port, the driving motor is fixedly arranged on the shell, the driving motor is in transmission connection with one end of the connecting rod through the first crank, the connecting rod is also in transmission connection with one end of the air deflector through the second crank, and the other end of the air deflector is connected to the shell in a turnable manner.
The number of the air deflectors and the number of the second cranks are multiple and the air deflectors and the second cranks are the same, the air deflectors and the second cranks are sequentially arranged from top to bottom, one end of each air deflector is connected to the connecting rod through the second cranks in a transmission mode, and the other end of each air deflector is rotatably connected to the shell.
And an opening and closing mechanism for opening and closing the drainage air duct is arranged in the drainage air duct.
The switching mechanism comprises a driving motor, a first crank, a connecting rod, a second crank and an air deflector for cutting off or conducting the drainage air duct through overturning, the driving motor is fixedly arranged on the shell, the driving motor is in transmission connection with one end of the connecting rod through the first crank, the connecting rod is also in transmission connection with one end of the air deflector through the second crank, and the other end of the air deflector is rotatably connected on the shell.
The number of the air deflectors and the number of the second cranks are multiple and the air deflectors and the second cranks are the same, the air deflectors and the second cranks are sequentially arranged from top to bottom, one end of each air deflector is connected to the connecting rod through the second cranks in a transmission mode, and the other end of each air deflector is rotatably connected to the shell.
Compared with the prior art, the wall-mounted air conditioner indoor unit is provided with the non-heat exchange air guide duct, a channel for directly sucking air flow from the outdoor environment by the fan is established, the air flow does not pass through the heat exchanger, is fully and uniformly mixed with the air flow entering from the air inlet of the indoor unit and subjected to heat exchange by the heat exchanger, and is blown out from the air outlet along with the operation of the fan, so that the air outlet is softer and cool without being cooled, and the comfort level is improved; and the non-heat exchange air guide duct is separated from the heat exchange air inlet duct, so that the flow paths of the non-heat exchange air and the heat exchange air before entering the fan are not interfered with each other, the phenomenon of air robbing is avoided, and the refrigerating and heating performances of the product are not influenced.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a wall-mounted air conditioner indoor unit according to the present invention;
FIG. 2 is a schematic structural view of the wall-mounted air conditioning indoor unit of the present invention with an opening and closing structure at the air outlet;
FIG. 3 is a schematic structural view of the wall-mounted air conditioner indoor unit of the present invention with an opening and closing structure in the air guide duct;
FIG. 4 is a schematic structural view of an opening and closing mechanism of an indoor unit of a wall-mounted air conditioner according to the present invention;
fig. 5 is a side view of fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, fig. 1 illustrates an exemplary wall-mounted air conditioning indoor unit 100, which includes a casing 110, a heat-exchange air inlet duct 120, a heat exchanger 130, a heat-exchange air outlet duct 140, a fan 150, and a non-heat-exchange air outlet duct 160; the housing 110 generally includes a frame 111 and a cover 112 installed at a front side of the frame 111, the cover 112 is formed with an air inlet 113, and the frame 111 is formed with an air outlet 114; the heat exchange air inlet duct 120 is formed in the housing, is communicated with the air inlet 113, and forms an air inlet channel of indoor air flow to be subjected to heat exchange with the heat exchanger 130; the heat exchanger 130 is arranged in the heat exchange air inlet duct 120 and is used for exchanging heat with indoor air flowing into the heat exchange air inlet duct 120 from the air inlet 113 to form heat exchange air; the heat-exchange air outlet duct 140 is formed in the casing 110, is communicated with the heat-exchange air inlet duct 120, and is used for guiding heat-exchange air to the air outlet 114; the fan 150 is disposed in the heat-exchanging air outlet duct 140, and is configured to drive the indoor airflow entering the casing to flow toward the air outlet 114; the non-heat-exchange air guide duct 160 is separated from the air inlet 113 and the heat-exchange air inlet duct 120, and includes a guide opening 161 formed on the casing 110 and a guide air duct 162 formed in the casing 110, and the guide air duct 162 communicates the guide opening 161 with the heat-exchange air outlet duct 140, so that the indoor air flow entering through the guide opening 161 is directly mixed with the heat-exchange air at the heat-exchange air outlet duct 140 to form mixed air, and the mixed air is blown out from the air outlet 114 along with the operation of the fan 150. The airflow direction of the wall-mounted air conditioner indoor unit is shown by an arrow in fig. 1, and because the temperature of indoor airflow which is not subjected to heat exchange is higher than that of heat exchange air, the mixed air is softer in outlet air and is cool but not cold, and the comfort level is improved; and non-heat exchange wind guide air duct 160 separates with air intake 113 and heat exchange wind inlet air duct 120 among the embodiment for non-heat exchange wind and heat exchange wind flow into the route mutually noninterfere before getting into fan 150, avoid appearing that exist among the prior art because do not have the heat exchanger in the guide air duct 162, the pressure loss is little, the resistance is little and snatch the problem that the wind made the heat exchange wind volume reduce, can not influence the refrigeration, the heating performance originally of product.
Further, in order to not change the shape, size and volume of the original wall-mounted air conditioner indoor unit as much as possible, in this embodiment, the heat exchanger 130 is a two-stage heat exchanger, and is located below the air inlet 113 and above the non-heat-exchange air guide duct 160, and the two-stage heat exchanger is arranged in front of and behind, that is, includes the front-stage heat exchanger 131 and the rear-stage heat exchanger 132 shown in fig. 1, and both are integrally configured as a V-shaped heat exchanger with a downward opening, and meanwhile, the air inlet 113 is located on a top side plate of the casing 110, specifically, on a top side plate of the housing 112, and the air guide opening 161 is located on a front side plate of the casing. At this moment, one section of the lowest of the three-section heat exchanger among the prior art is removed, and indoor air flow entering through the drainage port 161 can be realized without passing through the heat exchanger, so that non-heat exchange air is formed.
Further, as shown in fig. 1, a first water receiving baffle 170 is disposed below the front section heat exchanger 131 of the heat exchanger 130, a second water receiving baffle 180 is disposed below the rear section heat exchanger 132, and the first water receiving baffle 170, the heat exchanger 130 and the second water receiving baffle 180 separate the non-heat-exchange air guiding duct 160 from the air inlet 113 and the heat-exchange air inlet duct 120. The first water receiving baffle 170 and the second water receiving baffle 180 not only serve to assist in separating the non-heat-exchange air guiding duct 160 from the air inlet 113 and the heat-exchange air inlet duct 120, but also can receive condensate water to be used as a water receiving tray. The first water receiving baffle 170 may be fixedly connected to the inner wall of the housing 112 to form a water baffle structure, which is easy to implement, and the second water receiving baffle 180 is formed by the framework 111 itself.
For richening the air inlet form, realize the control to mixing the wind function, as shown in fig. 2 in this embodiment, dispose closing mechanism 190 on drainage mouth 161 for opening, closed to drainage mouth 161 control, when realizing opening drainage mouth 161, the air conditioner possesses the even wind air supply function of mixture, closed drainage mouth 161, and the air conditioner resumes conventional intensive cold state, in order to satisfy different crowds and blow the different requirements of effect to the cooling.
Further, as shown in fig. 4 and 5, the opening and closing mechanism 190 includes a driving motor 191, a first crank 192, a connecting rod 193, a second crank 194, and an air deflector 195 that is turned over to shield or expose the drainage opening 161, the driving motor 191 is fixedly disposed on the housing 110, specifically on the front side plate of the casing 112, specifically mounted on the housing 110 through a motor base, the driving motor 191 is in transmission connection with one end of the connecting rod 193 through the first crank 192, the connecting rod 193 is also in transmission connection with one end of the air deflector 195 through the second crank 194, and the other end of the air deflector 195 is in rotatable shaft sleeve connection with the housing 110. The driving motor 191 works, and the crank-link mechanism formed by the first crank 192, the link 193 and the second crank 194 drives the air deflector 195 to turn over, so as to open or close the drainage opening 161.
The number of the air deflectors 195 can be multiple, correspondingly, the number of the second cranks 194 is multiple and is the same as that of the air deflectors 195, the air deflectors 195 are sequentially arranged up and down, the second cranks 194 correspond to the air deflectors 195 one by one, one end of each air deflector 195 is connected to the connecting rod 193 through the second cranks 194 in a transmission manner, and the other end of each air deflector 195 is rotatably connected to the shell 110. The driving motor 191, the first crank 192, the connecting rod 193 and the second cranks 194 drive the air deflectors 195 to turn synchronously. The number of baffles 195 is determined by the area of the vent 161.
Of course, the opening and closing mechanism 190 may also be disposed inside the air guide duct 162, as shown in fig. 3, the specific structure of the opening and closing mechanism 190 is the same as that described above, but the specific installation position is different, and is not described herein again. The opening and closing mechanism 190 specifically switches off or switches on the air guide duct 162 by turning over the air deflector 195, thereby realizing the control of the mixed air function.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. An indoor unit of a wall-mounted air conditioner, comprising:
a housing having an air inlet and an air outlet formed thereon;
the heat exchange air inlet duct is formed in the shell and is communicated with the air inlet;
the heat exchanger is arranged in the heat exchange air inlet duct and is used for carrying out heat exchange with indoor air flow flowing into the heat exchange air inlet duct from the air inlet so as to form heat exchange air;
the heat exchange air outlet duct is formed in the shell, is communicated with the heat exchange air inlet duct and is used for guiding the heat exchange air to the air outlet;
the fan is arranged in the heat exchange air outlet duct and used for driving indoor air flow entering the shell to flow towards the air outlet;
it is characterized by also comprising:
non-heat exchange wind drainage wind channel, with the air intake reaches heat exchange wind air inlet wind channel separates, is in including forming drainage mouth on the casing is in with forming drainage wind channel in the casing, drainage wind channel intercommunication the drainage mouth with heat exchange wind air-out wind channel makes the warp indoor air current that the drainage mouth got into directly with heat exchange wind air-out wind channel department heat exchange wind mixes.
2. The wall-mounted air conditioning indoor unit of claim 1,
the heat exchanger is a two-section type heat exchanger, the two heat exchangers are arranged in the front and at the back, the air inlet is located on the top side plate of the shell, and the drainage port is located on the front side plate of the shell.
3. The wall-mounted air conditioning indoor unit of claim 2,
and a first water receiving baffle is arranged below the front section heat exchanger of the heat exchanger, a second water receiving baffle is arranged below the rear section heat exchanger, and the non-heat exchange air drainage air channel and the heat exchange air inlet air channel are separated by the first water receiving baffle, the heat exchanger and the second water receiving baffle.
4. An indoor unit of a wall-mounted air conditioner according to any one of claims 1 to 3,
an opening and closing mechanism for opening and closing the drainage port is arranged on the drainage port.
5. The wall-mounted air conditioner indoor unit of claim 4, wherein the opening and closing mechanism comprises a driving motor, a first crank, a connecting rod, a second crank and a wind deflector which is turned over to shield or expose the drainage opening, the driving motor is fixedly arranged on the casing, the driving motor is in transmission connection with one end of the connecting rod through the first crank, the connecting rod is also in transmission connection with one end of the wind deflector through the second crank, and the other end of the wind deflector is connected to the casing in a turnable manner.
6. The wall-mounted air conditioner indoor unit of claim 5, wherein the number of the air deflectors is multiple, the air deflectors are the same as the number of the second cranks, the air deflectors are arranged in sequence from top to bottom, one end of each air deflector is connected to the connecting rod through the second cranks in a transmission mode, and the other end of each air deflector is rotatably connected to the casing.
7. The wall-mounted air conditioning indoor unit according to any one of claims 1 to 3, wherein an opening/closing mechanism for opening/closing the air guide duct is provided in the air guide duct.
8. The wall-mounted air conditioning indoor unit of claim 7, wherein: the switching mechanism comprises a driving motor, a first crank, a connecting rod, a second crank and an air deflector for cutting off or conducting the drainage air duct through overturning, the driving motor is fixedly arranged on the shell, the driving motor is in transmission connection with one end of the connecting rod through the first crank, the connecting rod is also in transmission connection with one end of the air deflector through the second crank, and the other end of the air deflector is rotatably connected on the shell.
9. The wall-mounted air conditioner indoor unit of claim 8, wherein the number of the air deflectors is equal to that of the second cranks, the air deflectors are arranged in sequence from top to bottom, one end of each air deflector is connected to the connecting rod through the second cranks in a transmission mode, and the other end of each air deflector is rotatably connected to the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447099.2A CN111998436A (en) | 2019-05-27 | 2019-05-27 | Wall-mounted air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447099.2A CN111998436A (en) | 2019-05-27 | 2019-05-27 | Wall-mounted air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111998436A true CN111998436A (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910447099.2A Pending CN111998436A (en) | 2019-05-27 | 2019-05-27 | Wall-mounted air conditioner indoor unit |
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| CN (1) | CN111998436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465023A (en) * | 2021-05-31 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | Control method and device for improving heating comfort of air conditioner and air conditioner |
-
2019
- 2019-05-27 CN CN201910447099.2A patent/CN111998436A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465023A (en) * | 2021-05-31 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | Control method and device for improving heating comfort of air conditioner and air conditioner |
| CN113465023B (en) * | 2021-05-31 | 2022-10-14 | 宁波奥克斯电气股份有限公司 | Control method and device for improving heating comfort of air conditioner and air conditioner |
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