CN105066256A - Air conditioner indoor unit - Google Patents

Air conditioner indoor unit Download PDF

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Publication number
CN105066256A
CN105066256A CN201510557674.6A CN201510557674A CN105066256A CN 105066256 A CN105066256 A CN 105066256A CN 201510557674 A CN201510557674 A CN 201510557674A CN 105066256 A CN105066256 A CN 105066256A
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CN
China
Prior art keywords
air
air conditioner
room
heat exchange
shell
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
CN201510557674.6A
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Chinese (zh)
Inventor
田志超
石邢
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.)
Southeast University
Original Assignee
Southeast University
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Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201510557674.6A priority Critical patent/CN105066256A/en
Publication of CN105066256A publication Critical patent/CN105066256A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers

Abstract

The invention discloses an air conditioner indoor unit. The air conditioner indoor unit comprises an axial flow fan and a heat exchanger. The heat exchanger comprises a shell, heat exchange fins, refrigerant pipes and a radial flow fan, wherein the heat exchange fins, the refrigerant pipes and the radial flow fan are arranged in the shell. The heat exchange fins are located on the periphery of the radial flow fan, an air inlet of the radial flow fan is formed in the upper portion of the shell, and the refrigerant pipes are arranged in the heat exchange fins. The axial flow fan is fixed to the lower end of the shell of the heat exchanger. Cold air outlets of the heat exchange fins are located in a negative pressure area of the axial flow fan. According to the air conditioner indoor unit, the air supply temperature difference is small in air conditioning in summer, so that the comfort of the human body is improved, the indoor and outdoor temperature difference is small, and air conditioner diseases are reduced; air in the upper part of a room and air in the lower part of the room are fully mixed, so that the temperature difference between the upper part and the lower part of the room is reduced, and the comfort of the human body is improved; only the big fan is started when the temperature in summer is not too high, so that energy is saved; the air supply temperature difference is small in refrigeration, and the relative humidity of the room can be accurately controlled and will not be too low, so that energy is further saved.

Description

A kind of indoor apparatus of air conditioner
Technical field
The present invention relates to a kind of indoor apparatus of air conditioner, new-type indoor set can process air---and cool-down dehumidification or heat, belongs to air-conditioning equipment.
Technical background
The type that China sells Domestic air conditioning market is commonly wall-hanging or cabinet-type.Wall-hanging identical with the principle of vertical air conditioner (heat pump), be direct-expansion-type air-conditioner.Air is blown over heat exchange fin surface by the tail-end blower fan of direct-expansion-type air-conditioner, has heat exchanger tube in heat exchange fin, the refrigerant containing flowing in heat exchanger tube.Temperature when heat exchange fin surface is cooled lower than air during air themperature, when heat exchange fin surface temperature is aqueous water lower than the water vapor condensation in air during air dew point temperature, when heat exchanger surface temperature is heated higher than air during air themperature.The air outlet of wall-hanging air conditioner is bar shaped rectangle, and the air outlet of vertical air conditioner mostly is nearly square rectangle.The air processed obliquely is blowed to room by the wall-hanging air conditioner being arranged on room higher position, and then air gets back to the return air inlet of wall-hanging air conditioner from top, room; Cabinet-type air conditioner blows to room by oblique for the air processed equally, is positioned at air-conditioning bottom unlike its return air inlet.Directly can be blown to by air-conditioning unavoidably in room from the visible people of airflow analysis that is wall-hanging or cabinet-type air conditioner, because the temperature of air-conditioning is lower, can cause significantly uncomfortable.Treat for a long time can cause air conditioner disease equally, such as arthralgia and flu in the room that indoor/outdoor temperature-difference is large.Wall-hanging or vertical air conditioner room is used to there is obvious thermograde in addition, when cooling in summer, temperature of lower low upper temp in room is high, when air-conditioning is in heating mode in the winter time, situation is identical, the pin of people and leg are to cold comparatively responsive, and the uneven meeting of this temperature spatially bottom distribution causes the discomfort of people.Research shows that the factor affecting the thermal comfort of human body in room mainly contains air themperature, humidity, wind speed, mean radiant temperature and clothes thermal resistance etc.Can improve hot comfort by the mode improving wind speed and reduce clothes thermal resistance when temperature in summer room is not bery high, such as, can open room electric fan when summer does not open air-conditioning increases wind speed, but when the temperature of air is more than 29.8QUOTE improve wind speed and cannot improve human thermal comfort degree.
Existing wall-hanging air conditioner and vertical air conditioner cannot control the humidity in room exactly in addition.When cooling in summer pattern due to wind pushing temperature that air-supply air quantity little needs are lower, need lower condenser surface temperature, can to air dewetting during the dew-point temperature of condenser surface temperature lower than air, until the dew-point temperature of air is equal with condenser surface temperature.Small-sized weather station is used to measure relative humidity in different wall-hanging and vertical air conditioner rooms about 30% in summer, summer air-conditioning indoor design relative humidity is for being everlasting about 60%, too low relative humidity illustrates that air-conditioning consumes a large amount of energy for dehumidifying, adds the energy consumption of air-conditioning.
Know that wind pushing temperature is low from above-mentioned analysis and show air-conditioned problem place with the uneven of indoor temperature field.Air conditioner refrigerating amount is determined by the air-conditioning temperature difference (entering air temperature and outlet air temperature) and air output:
When refrigerating capacity is certain, for promoting wind pushing temperature (reduction supply air temperature difference), need to increase air output.
In order to solve room upper air and room upper air and lower air mix by the lower air temperature difference large needs fully.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, and provides a kind of wind pushing temperature height and top and the bottom, room to have a narrow range of temperature, thus improves the indoor apparatus of air conditioner of human comfort.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of indoor apparatus of air conditioner, is characterized in that: comprise axial flow blower and heat exchanger; Described heat exchanger comprises shell and is placed in heat exchange fin, refrigerant pipe and the radial fan in described shell, described heat exchange fin is positioned at the periphery of described radial fan, portion is provided with the air intake vent of described radial fan on the housing, and described refrigerant pipe is arranged in described heat exchange fin; Described axial flow blower is fixed on the lower end of described outer cover of heat exchanger; The cold wind outlet of described heat exchange fin is positioned at the negative pressuren zone of described aerofoil fan.
Described axial flow blower is fixed on the lower end of described shell.
Described refrigerant pipe is arranged in parallel along described outer cover height direction.
Described in described heat exchange fin, outer cover height direction is arranged in parallel.
Described shell is circular or rectangle.
On the ceiling that described shell is fixed on room or floor.
Described radial fan is centrifugal blower.
Indoor apparatus of air conditioner of the present invention, adopts two pressure fan (fan), and less radial fan drives air to blow over heat exchanger surface, and the air after process is sent to the negative pressuren zone of larger axial flow blower.Working region is delivered to after a large amount of room air mixing that air and the aerofoil fan of heat exchanger process bring.Because air output is very large, supply air temperature difference is less, improves the comfort level of human body.Room upper air is directly blown to bottom, room by axial flow blower in addition, makes the air Homogeneous phase mixing in room, reduces upper and lower Air Temperature Difference, improves the comfort level of human body.Because total air quantity is determined by large blower fan, little blower fan and its airhandling equipment can control the relative humidity of air.Summer room temperature not too highly (as be no more than 30QUOTE ) time can only open large blower fan, increasing comfort level by improving wind speed, and refrigeration system need not be opened, thus realizing energy-conservation.
The invention has the beneficial effects as follows, when summer air-conditioning, supply air temperature difference is little, improves the comfort level of human body; Reach hot comfort identical with traditional air conditioner, indoor/outdoor temperature-difference is little, reduces the generation of air conditioner disease; The air of top and the bottom, abundant mixing room, reduces top and the bottom, the room temperature difference, improves human comfort; Only open large blower fan when summer temp is not too high, can realize energy-conservation; During refrigeration, supply air temperature difference is little can accurately control room relative humidity, unlikely too low, thus realizes energy-conservation.
Accompanying drawing explanation
Fig. 1 is indoor apparatus of air conditioner structural representation of the present invention;
Fig. 2 is heat exchanger for air-conditioner indoor machine cut away view of the present invention;
The each part marked in figure is:
1 – axial flow blower; 2 – heat exchangers; 3 – heat exchange fins; 4 – refrigerant pipes; 5 – radial fan; 6 – shells.
Detailed description of the invention
As shown in Figure 1, indoor apparatus of air conditioner of the present invention is made up of upper and lower two parts, and bottom is axial flow blower 1, and top is heat exchanger 2.Axial flow blower 1 also can be described as fan usually.Axial flow blower 1 is suspended on the bottom of heat exchanger 2, axial flow blower 1 have multiple speed stage.As shown in Figure 2, be made up of in heat exchanger 2 heat exchange fin 3, refrigerant pipe 4, radial fan 5 and shell 6, wherein, heat exchange fin 3 is between radial fan 5 and shell 6, and refrigerant pipe 4 passes the inside of heat exchange fin 3.Heat exchange fin 3 is overall rounded, and single fin prolongs radial arrangement.Cold-producing medium or the refrigerant of air-conditioning (heat pump) is walked in refrigerant pipe 4.Air blown over heat exchange fin 3 surface in the effect of radial fan 5.Shell 6, in column type or square, has the cavity for air flowing in the middle of it.Heat exchange fin 3, refrigerant pipe and radial fan 5 is all in the inside of shell 6.Axial flow blower 1 is suspended on below housing 6.
The operation principle of indoor apparatus of air conditioner of the present invention is: can only open axial flow blower 1 when the temperature in summer room is not too high, axial flow blower 1 improves indoor air flows speed, improve the comfort level of human body, at this moment the refrigerating function of air-conditioner is closed, can economize energy.When opening axial flow blower 1 and heat exchanger 2 when the temperature in nature room is too high simultaneously, the Air flow (dehumidifying) that heat exchanger 2 can will pass through wherein, this part air is delivered to the negative pressuren zone of axial flow blower 1 by radial fan 5.The large quantity of air mixing that the air-flow that heat exchanger 2 processed and axial flow blower 1 drive reduces the temperature of air-supply.Mixed air is delivered to workspace by axial flow blower 1, reduces the temperature of workspace, improves the comfort level of human body.The air on top, room can blow to bottom, room by the unlatching that indoor set of the present invention is placed on the top axle flow fan 1 in room, and top and the bottom, room air is fully mixed, and reduces the temperature difference of the top and the bottom air in room thus improves hot comfort.Also heat exchanger 2 can be only opened in summer.
Winter air-conditioning is in heating mode can open axial flow blower 1 and heat exchanger 2.Heat exchanger 2 will by air heat wherein, and be blown to the bottom in room by the air-supply mixing of the air that heats and axial flow blower 1, now the wind speed of axial flow blower 1 should be low-speed mode.Because hot-air can float naturally, be in the top in room, top and the bottom, room air can fully mix by the unlatching of axial flow blower 1, reduces top and the bottom Air Temperature Difference and improves hot comfort.

Claims (5)

1. an indoor apparatus of air conditioner, is characterized in that: comprise axial flow blower and heat exchanger; Described heat exchanger comprises shell and is placed in heat exchange fin, refrigerant pipe and the radial fan in described shell; Described heat exchange fin is positioned at the periphery of described radial fan, and portion is provided with the air intake vent of described radial fan on the housing; Described refrigerant pipe is arranged in described heat exchange fin, and refrigerant comes from air-conditioner outdoor unit or chilled water pipe; The cold wind outlet of described heat exchange fin is level or level of approximation.
2. indoor apparatus of air conditioner according to claim 1, is characterized in that: described axial flow blower is fixed on the lower end of described shell.
3. the indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that: described shell is circular or rectangle.
4. the indoor apparatus of air conditioner according to claim 1,2 or 3, is characterized in that: on the ceiling that described shell is fixed on room or floor.
5. the indoor apparatus of air conditioner according to claim 1,2 or 3, is characterized in that: described radial fan is centrifugal blower.
CN201510557674.6A 2015-09-06 2015-09-06 Air conditioner indoor unit Pending CN105066256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510557674.6A CN105066256A (en) 2015-09-06 2015-09-06 Air conditioner indoor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510557674.6A CN105066256A (en) 2015-09-06 2015-09-06 Air conditioner indoor unit

Publications (1)

Publication Number Publication Date
CN105066256A true CN105066256A (en) 2015-11-18

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Family Applications (1)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110749005A (en) * 2019-09-23 2020-02-04 青岛海尔空调器有限总公司 Air conditioner and control method thereof
CN110749006A (en) * 2019-09-23 2020-02-04 青岛海尔空调器有限总公司 Ceiling fan air conditioner and control method thereof
CN110749007A (en) * 2019-09-23 2020-02-04 青岛海尔空调器有限总公司 Ceiling fan air conditioner and control method thereof
CN110793132A (en) * 2018-08-02 2020-02-14 宁波方太厨具有限公司 Heat exchange device and kitchen air conditioning system provided with same
WO2020093712A1 (en) * 2018-11-06 2020-05-14 深圳市贝腾科技有限公司 Air conditioner apparatus, and indoor unit and outdoor unit thereof
CN109140683B (en) * 2018-08-15 2021-04-20 美的集团武汉制冷设备有限公司 Air conditioner and adjusting method and device for air guide strip of air conditioner
CN113251489A (en) * 2021-04-21 2021-08-13 青岛海尔空调器有限总公司 Air conditioner indoor unit and air conditioner

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1427220A (en) * 2001-12-17 2003-07-02 乐金电子(天津)电器有限公司 Ceiling type indoor machine of air conditioner
CN101644462A (en) * 2008-08-08 2010-02-10 乐金电子(天津)电器有限公司 Indoor unit of air conditioner
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
CN103759333A (en) * 2014-01-07 2014-04-30 广东志高空调有限公司 Air-conditioner with reverse air supply function
KR101533325B1 (en) * 2014-11-18 2015-07-03 구기승 Combined Multi-blade diffusion fan assembley for 4-direction ceiling-mounted cassette type air conditioner
CN205102260U (en) * 2015-09-06 2016-03-23 东南大学 Air -condition indoor machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1427220A (en) * 2001-12-17 2003-07-02 乐金电子(天津)电器有限公司 Ceiling type indoor machine of air conditioner
CN101644462A (en) * 2008-08-08 2010-02-10 乐金电子(天津)电器有限公司 Indoor unit of air conditioner
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
CN103759333A (en) * 2014-01-07 2014-04-30 广东志高空调有限公司 Air-conditioner with reverse air supply function
KR101533325B1 (en) * 2014-11-18 2015-07-03 구기승 Combined Multi-blade diffusion fan assembley for 4-direction ceiling-mounted cassette type air conditioner
CN205102260U (en) * 2015-09-06 2016-03-23 东南大学 Air -condition indoor machine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110793132A (en) * 2018-08-02 2020-02-14 宁波方太厨具有限公司 Heat exchange device and kitchen air conditioning system provided with same
CN109140683B (en) * 2018-08-15 2021-04-20 美的集团武汉制冷设备有限公司 Air conditioner and adjusting method and device for air guide strip of air conditioner
WO2020093712A1 (en) * 2018-11-06 2020-05-14 深圳市贝腾科技有限公司 Air conditioner apparatus, and indoor unit and outdoor unit thereof
CN110749005A (en) * 2019-09-23 2020-02-04 青岛海尔空调器有限总公司 Air conditioner and control method thereof
CN110749006A (en) * 2019-09-23 2020-02-04 青岛海尔空调器有限总公司 Ceiling fan air conditioner and control method thereof
CN110749007A (en) * 2019-09-23 2020-02-04 青岛海尔空调器有限总公司 Ceiling fan air conditioner and control method thereof
CN110749006B (en) * 2019-09-23 2022-01-21 青岛海尔空调器有限总公司 Ceiling fan air conditioner and control method thereof
CN113251489A (en) * 2021-04-21 2021-08-13 青岛海尔空调器有限总公司 Air conditioner indoor unit and air conditioner

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Application publication date: 20151118

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