CN101189478B - Outdoor unit for split type air-conditioner - Google Patents
Outdoor unit for split type air-conditioner Download PDFInfo
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- CN101189478B CN101189478B CN2005800499574A CN200580049957A CN101189478B CN 101189478 B CN101189478 B CN 101189478B CN 2005800499574 A CN2005800499574 A CN 2005800499574A CN 200580049957 A CN200580049957 A CN 200580049957A CN 101189478 B CN101189478 B CN 101189478B
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- Prior art keywords
- unit
- shell
- air
- outdoor unit
- blower
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more 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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
- F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
- F24F1/52—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with inlet and outlet arranged on the same side, e.g. for mounting in a wall opening
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/60—Arrangement or mounting of the outdoor unit
- F24F1/62—Wall-mounted
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Humidification (AREA)
Abstract
The present invention discloses a front suction/discharge type outdoor unit for a split type air- conditioner which is installed in an opening space of an outer wall of a building, for sucking outdoor air from the front surface, exchanging heat and discharging the heat-exchanged air. A pair of sirocco fans having a relatively large ventilation amount are used to send the outdoor air to condensers, and stable high efficiency BLDC motors are used to drive the sirocco fans. Even if the air is sucked or discharged to/from a restricted space, ventilation amount and efficiency can be increased to improve cooling capability and reduce abnormal noises.
Description
Technical field
The present invention relates to a kind of outdoor unit that is used for split-type air conditioner, even large-sized outdoor unit is installed in the open space of building outer wall, this outdoor unit also can maximize cooling performance through effective raising ventilation.
Background technology
Generally speaking; Air-conditioning is divided into wherein indoor unit and outdoor unit separately and be installed in the split-type air conditioner in the interior space and the exterior space respectively, and wherein indoor unit and outdoor unit are combined into an equipment and pass window or the integrated air container of wall installation.Outdoor unit and indoor unit be because high cooling or heating properties and size increases, and because the operation of the compressor of outdoor unit and in outdoor unit, produce serious vibration.Therefore, for integrated air container, split-type air conditioner has obtained more general application.
Split-type air conditioner comprises being installed in and indoorly is used between the gas refrigerant of low-temp low-pressure and air, carrying out heat exchange and to the space that air-conditioning is housed the indoor unit of warm or cool air is provided, thereby and is installed in the outdoor outdoor unit that is used for cooling agent compresses, condensation and expansion promote the heat exchange of indoor unit.This indoor unit and outdoor unit mutually combine through refrigerant pipe.
Here, indoor unit comprises: indoor housing is formed with on it and is used to the tap that sucks the inlet hole of room air and be used to discharge room air; Evaporimeter, it is installed in this indoor housing, is used between low-temp low-pressure gas refrigerant and air, carrying out heat exchange; And indoor fan and motor, they are installed in a side of evaporimeter, are used for room air is provided to evaporimeter, make the cooling air can be discharged to the interior space.
In addition, outdoor unit comprises: outdoor housing, the tap that is formed with the inlet hole that is used for the suction chamber outer air on it and is used to discharge outdoor air; Compressor, it is installed in the outdoor housing, is used for the cold-producing medium boil down to high-temperature high-pressure gas refrigerant of flash-pot in the future; Condenser, it is used for through between cold-producing medium and outdoor air, carrying out heat exchange will be the high pressure liquid refrigerant of moderate temperature from the condensation of refrigerant of compressor; Expansion gear, such as capillary or electric expansion valve, being used in the future, the cold-producing medium decompression of self cooling condenser is the low-temp low-pressure gas refrigerant; And the outdoor fan of axial fan type and motor, they are installed in a side of condenser, are used for outdoor air is provided to condenser.Motor is common single-phase or three-phase induction motor.In this induction machine, when the stator in being installed in housing supply alternating current so that axle when being in the rotor rotation at stator middle part, makes the rotor rotation thereby just produce rotating excitation field.
Usually, inlet hole is formed on three sides of outdoor housing, and tap is formed on its end face to improve drafting efficiency.Therefore, when outdoor fan moved, air was inhaled into through the outdoor housing of three sides, carried out heat exchange and was discharged from through the housing end face.
Here, compressor, condenser, expansion gear and evaporimeter mutually combine through refrigerant pipe, thereby are compressed thereby cold-producing medium can circulate, condensation, expansion and evaporation order.
Yet the conventional outdoor unit that is used for air-conditioning is because the high density in city and strict environment regulations and on installing space, be restricted, and because noise and the hot civil applications that increased.Especially, in the public residential area such as large-scale apratment building thing, outdoor unit must be installed on the indoor verandas to improve outward appearance and to reduce noise.
Recently; Preceding suction/discharge formula the outdoor unit that is used for split-type air conditioner has been applied to the public residential area such as large-scale apratment building thing, and this outdoor unit sucks air, carries out heat exchange and discharges the air that has carried out heat exchange through front surface through front surface.
Summary of the invention
Yet, compare with the three side suction/discharge formula outdoor units that are used for air-conditioning, what be used for split-type air conditioner should have less air suction zone by preceding suction/discharge formula outdoor unit.As a result, ventilation reduces, thereby has reduced drafting efficiency and cooling performance.
In addition, the preceding suction/discharge formula outdoor unit that is used for split-type air conditioner adopts common single-phase or three-phase induction motor to drive draught fan.This induction machine has and is lower than 40 to 50% poor efficiency.Especially, because the zone of stabilizing moment is narrower, thereby the scope of RPM Variable Area is restricted.Surpass under the situation of stable torque area at RPM, will produce noise, lower efficiency.
Realize that the present invention solves the problems referred to above.The object of the present invention is to provide the outdoor unit that is used for split-type air conditioner; This outdoor unit has the fan of big relatively ventilation through employing; Even thereby suck air or air is discharged to the space that is restricted from the space that is restricted, also can improve ventilation and drafting efficiency.
Another object of the present invention is to provide a kind of outdoor unit that is used for split-type air conditioner, this outdoor unit comes drive fan can improve operational reliability and efficient with dispatcher's office's outer air through adopting stable high efficiency motor.
A purpose more of the present invention is to provide a kind of outdoor unit that is used for split-type air conditioner; The mounting structure that is used for the fan of dispatcher's office's outer air and is used for the motor of drive fan through improvement has reduced installing space, thereby has reduced the size of this outdoor unit.
An also purpose of the present invention is to provide a kind of outdoor unit that is used for split-type air conditioner, and this outdoor unit has actual preceding suction/discharge formula mounting structure, and this mounting structure optionally places the outer wall of building.
Technical solution
In order to realize above-mentioned purpose of the present invention, a kind of outdoor unit that is used for split-type air conditioner is provided, it comprises: be installed in outdoor shell, be formed on suction unit and deliverying unit on the unlimited front surface of this shell dividually; Compressor, it is installed in the said suction unit of said shell, is used for compressed refrigerant; Condenser, it is installed in the said suction unit of said housing, is used for being condensate in the said cold-producing medium that compresses in the said compressor through between cold-producing medium and outdoor air, carrying out heat exchange; A pair of blower-casting; Said blower-casting has inlet hole near said condenser; And near the said deliverying unit of said shell, has tap; Said fan is arranged in the said shell so that said tap can contact with said deliverying unit, and to carry out heat exchange in the said condenser the discharge direction channeling conduct of air; A pair of multiple wing type pressure fan; Said multiple wing type pressure fan is installed in respectively in the said blower-casting; Be used for suction chamber outer air through the said suction unit of said shell; Said outdoor air is sent to said condenser, and discharge said outdoor air through the said deliverying unit of said shell; A pair of motor, said motor are connected on the said multiple wing type pressure fan, are used for driving respectively said multiple wing type pressure fan; And a pair of motor support member, said motor support member is used for respectively said motor being fixed to said blower-casting.
Preferably, the front surface of said shell is divided into the upper and lower, and said suction unit is formed on the place, said bottom of said shell, and said deliverying unit is formed on the place, said top of said shell.The said deliverying unit of said shell is divided into both sides, is formed with first and second deliverying units at both sides places, and said blower-casting is mounted to respectively and contacts with said first and second deliverying units, thereby is connected to said first and second deliverying units.
More preferably, the suction grid that said outdoor unit also comprises the said suction unit that is installed in said shell and said deliverying unit place with discharge grid, get into said shell to prevent foreign matter.
Preferably; Said inlet hole is formed on the end face and bottom surface of said right blower-casting; Thereby air can suck along the axial direction of each multiple wing type pressure fan; And the said tap that is connected to said first and second deliverying units is formed on the front surface of said right blower-casting, thereby air can be discharged along the circumferential direction of each multiple wing type pressure fan.
Preferably, said right multiple wing type pressure fan rotates in the opposite direction, preventing the interference of each multiple wing type air that pressure fan is sent, and the said right blower-casting air to discharge along the rightabout guiding against each other.
More preferably, said right multiple wing type pressure fan rotates on equidirectional, and said right blower-casting is installed the air of discharging with along the equidirectional guiding on equidirectional.
Preferably; The opposite direction of air that said right multiple wing type pressure fan rotation is sent with a pair of multiple wing type pressure fan with adjacent outdoor unit is sent air, the air confused of being sent with a pair of multiple wing type pressure fan that prevents with said adjacent outdoor unit.
Preferably, said right motor is fixedly mounted on the last inlet hole of the relatively little suction flux of having of each blower-casting, and more preferably, said right motor is the BLDC motor.
More preferably, said BLDC motor comprises: motor axis of rotation, and it is connected to said multiple wing type pressure fan to be used to transmit power; Stator, heart place rotatably is equipped with said electric machine rotational axis therein, and said stator is fixedly mounted on the said motor support member, around the said core that schedules, is wound with coil; Rotor, the periphery that it is installed in said stator is connected to said electric machine rotational axis, and rotates with said electric machine rotational axis; Permanent magnet, it is fixed to said rotor, is used for making said rotor and the rotation of said electric machine rotational axis through electromagnetic force together with said stator; And sensor, it is used to detect the position of said rotor, and order ground sends to electric current the said coil of said rotor.
Preferably, said motor support member comprises: cylindrical shaft support unit, and it is used to support said electric machine rotational axis to rotate through bearing; Stator support unit, its upper end with said axle bearing unit combines, and said stator is fixedly mounted on the said stator support unit; And a plurality of fixed cells, said a plurality of fixed cells are being given prominence to from the periphery of said stator support unit with predetermined interval in the radial direction, and are fixed on the end face of said fan through screw.
More preferably, in said motor support member, the said core of said stator is fixed to the top of said stator support unit through screw.
More preferably, in said motor support member, the intensity ribs is formed between said axle bearing unit, said stator support unit and the said fixed cell, to strengthen the intensity of said fixed cell.
More preferably, in said motor support member, the middle part of said fixed cell is being inclined upwardly in the radial direction, and is inner thereby the part of said BLDC motor can be installed in said blower-casting.
More preferably, in said motor support member, three fixed cells are formed on the periphery of said axle bearing unit and said stator support unit with predetermined interval.
Preferably, said condenser forms ' U ' shape, thus outstanding towards the said suction unit of said shell, and more preferably, said right condenser is mounted to the inner up and down place of the said suction unit that is stacked in said shell.
Preferably; Said outdoor unit also comprises louver frame; It is used for the open spaces of building outer wall is divided into and corresponding suction zone, the said suction unit of said shell; And with the corresponding discharging area of said deliverying unit of said shell, thereby said outdoor unit can be installed in said open spaces place.
More preferably, a plurality of shutters are stacked in the said suction zone and said discharging area of said louver frame with predetermined interval, are used to control direction that sucks air and the direction of discharging air.
Description of drawings
Through understanding the present invention better with reference to accompanying drawing, these accompanying drawings only provide with the mode of explanation, thereby are not to be limitation of the present invention, in the accompanying drawing:
Fig. 1 is for describing according to the stereogram that is used for the outdoor unit of split-type air conditioner of the present invention;
Fig. 2 is for describing according to the front view that is used for the outdoor unit of split-type air conditioner of the present invention;
Fig. 3 be show according to the partial cut of the mounting structure that is built in the outdoor unit that is used for split-type air conditioner in the wall of the present invention except stereogram;
Fig. 4 is the stereogram of decomposition that shows the installation integrated structure of Fig. 3;
Fig. 5 is the stereogram that shows according to the decomposition of the bonding state of the heat exchange unit of the outdoor unit that is used for split-type air conditioner of the present invention and unit ventilators;
Fig. 6 is the stereogram that shows according to the decomposition of the heat exchange unit of the outdoor unit that is used for split-type air conditioner of the present invention;
Fig. 7 is the stereogram that shows according to the decomposition of the unit ventilators of the outdoor unit that is used for split-type air conditioner of the present invention;
Fig. 8 shows the preceding profile that is applied to according to the ventilation unit of the outdoor unit that is used for split-type air conditioner of the present invention; And
Fig. 9 shows the detail perspective view that is applied to according to the motor support member of the ventilation unit of the outdoor unit that is used for split-type air conditioner of the present invention.
The specific embodiment
To describe the outdoor unit that is used for split-type air conditioner according to a preferred embodiment of the invention in detail with reference to accompanying drawing.
Fig. 1 and Fig. 2 are according to stereogram and the front view that is used for the outdoor unit of split-type air conditioner of the present invention.
See figures.1.and.2, the outdoor unit that is used for split-type air conditioner comprises: heat exchanger 10, and it is used for the suction chamber outer air and carries out heat exchange with outdoor air; And unit ventilators 20, it is used to send the outdoor air that sucks or discharge, in heat exchange unit 10, to carry out heat exchange.
More particularly, suction unit and the deliverying unit that is used to suck and discharge air is respectively formed in heat exchange unit 10 and the unit ventilators 20, is formed with the last lower house 12 and 22 of front surface opened in appearance.Except the cooling cycle system of evaporimeter (not shown), that is, compressor (not shown), condenser 14 and electric expansion valve (not shown) are installed in lower house 12 inside.Multiple wing type pressure fan (Sirocco fan) 26 and the motor 28 that is used to drive multiple wing type pressure fan (siroccofan) 26 are installed in a pair of blower-casting 24 of upper shell 22 to send air.Be equipped with at a side place of condenser 14 and be used to control control cabinet (not shown) with upper-part.
Outdoor unit is connected to through refrigerant pipe and is installed in indoor indoor unit (not shown).This indoor unit comprises evaporimeter and the indoor fan (not shown) that is used to send room air.Through compressor, condenser 14, electric expansion valve and evaporimeter to cold-producing medium compress, condensation, expansion and evaporation, and carry out heat exchange with the room air that sends to evaporimeter, be used for room air is cooled off.
Outdoor unit can be installed in the space that its four side all opens wide.In the outdoor unit of preceding suction/discharge formula, this outdoor unit can be installed on the outer wall that the part of dwelling house and/or commercial buildings opens wide.
Fig. 3 be show according to the partial cut of the mounting structure that is built in the outdoor unit that is used for split-type air conditioner in the wall of the present invention except stereogram, and Fig. 4 is the stereogram of decomposition that shows the installation integrated structure of Fig. 3.
To describe in further detail with reference to Fig. 3 and Fig. 4 now and be used for outdoor unit is installed in the structure on the outer wall W of building.External frame 100 is fixedly mounted on the inwall that is formed at the coffin on the outer wall.Inner frame 110 is fixedly mounted in the inside of external frame 100.If necessary, can combine external frame 110 and external frame 100.
Louvre blade 120 forms along horizontal direction, and their two ends are rotatably installed on the inner surface of inner frame 110.Here, louvre blade 120 is stacked in vertical direction with predetermined gap, is used for the direction of control air on above-below direction.
In addition, the seal S that is used to prevent air leakage and buffering vibration is installed between inner frame 110 and outdoor unit.The heat exchange unit 10 suction zone IN that closely is attached to inner frame 110 goes up and unit ventilators 20 closely is attached under the state on the discharging area OUT of inner frame 110 therein, and the both sides of lower house 12 and upper shell 22 all are fixedly secured on the inner frame 110 through the L bracket (not shown).
Fig. 5 is the stereogram that shows according to the decomposition of the bonding state of the heat exchange unit of the outdoor unit that is used for split-type air conditioner of the present invention and unit ventilators.
The structure of outdoor unit will at length be described with reference to Fig. 5 now.Unit ventilators 20 is installed on the heat exchange unit 10.When the end face of heat exchange unit 10 was opened, opened the bottom surface of unit ventilators 20, thereby heat exchange unit 10 can be connected with each other with unit ventilators 20.The following connector C1 that is used to isolate both sides is fixedly mounted in the end face of heat exchange unit 10, thereby can unit ventilators 20 is mounted thereto.The last connecting frame C2 that is used for the internal part of supporting such as blower-casting 24 and 24 ' is fixedly mounted in the bottom surface of unit ventilators 20.
Fig. 6 and Fig. 7 are the stereogram that shows according to the decomposition of the heat exchange unit of the outdoor unit that is used for split-type air conditioner of the present invention and unit ventilators; Fig. 8 shows the preceding profile that is applied to according to the ventilation unit of the outdoor unit that is used for split-type air conditioner of the present invention, and Fig. 9 shows the detail perspective view that is applied to according to the motor support member of the ventilation unit of the outdoor unit that is used for split-type air conditioner of the present invention.
The structure of heat exchange unit 10 will be described with reference to Fig. 6 now in further detail.
Omitted the front surface and the upper surface of lower house 12, and condenser 14 is installed on the bottom surface of lower house 12 with compressor 16a, 16b and 16c.Be used for separating the top that separation member A1 under the rod of lower houses 12 is installed in the front surface of lower house 12 from upper shell 22.
Following connector C1 is fixed on the upper surface of lower house 12, is used to support the unit ventilators of being installed 20. Connection protuberance 12a and 12b project upwards from the both sides of the end face of lower house 12, thereby can unit ventilators 20 screws be connected to this.
A pair of supporting member B is installed on the bottom surface of lower house 12.Preferably, be formed with support holes h at the place, both sides of supporting member B, thereby can pass through fork lifter promote outdoor unit.
Can the preceding grid (not shown) of grid-shaped be installed on the front surface of lower house 12 in addition, to prevent that foreign matter from getting into or animal (for example, mouse) is invaded.
In order to improve the cooling performance of large capacity conditioner, can a condenser 14 be formed bigger size.In order to be easy to produce, can connect two heat exchangers.At this moment, a pair of condenser 14a and 14b are stacked on above-below direction.
In condenser 14a and 14b, with the arrangements of bending a plurality of refrigerant pipes are arranged, and a plurality of cooling fin is installed vertically.The central straight line portion of U-shaped condenser 14a and 14b is positioned in the front surface of lower house 12.Compressor 16a, 16b and 16c are positioned in the straight line portion, and control cabinet is positioned near the bottom surface of said straight line portion.
Preferably, the cooling performance that said a plurality of compressor 16a, 16b and 16c improve air-conditioning is installed.More preferably, adopt two constant- speed compressor 16a and 16b and an inverter compressor (inverter compressor) 16c to maximize cooling performance.The operation of compressor 16a, 16b and 16c is by Load Control.
Here, constant- speed compressor 16a and 16b operation and and load-independent, and the speed of service of inverter compressor 16c and load are definite pro rata.
The structure of unit ventilators 20 will be described with reference to Fig. 7 and Fig. 8 now in further detail.
Omitted the front surface and the bottom surface of upper shell 22, and blower-casting 24 and 24 ', multiple wing type pressure fan (sirocco fan) 26 and 26 ' and motor 28 and 28 ' be installed in the inside of upper shell 22.Be used for being installed in the bottom of the front surface of upper shell 22 from the rod separation member A2 that lower house 12 separates upper shell 22.Being used for blower-casting 24 and 24 ' the preceding separation member A3 in both sides separately, to be installed in the front surface of upper shell 22 inboard.
Following connector C2 is fixed to the bottom surface of upper shell 22, thereby blower-casting 24 and 24 ' can be mounted thereto.After unit ventilators 20 is installed on the heat exchange unit 10, with unit ventilators 20 through on the connection projection 12a and 12b that are threaded onto heat exchange unit 10.
The same with lower house 12, the preceding grid (not shown) of grid-shaped can be installed in addition, to prevent that foreign matter from getting into or animal (for example mouse) is invaded on the front surface of upper shell 22.
Multiple wing type pressure fan (sirocco fan) 26 and 26 ' can be built in blower-casting 24 and 24 '.On last/following axial direction, be formed with opposed facing a pair of inlet hole 24
InWith 24
In', and on the front surface of blower-casting 24 and 24 ', be formed with tap 24
OutWith 24
Out', thereby multiple wing type pressure fan (sirocco fan) 26 and 26 ' can suck air along axial direction, and discharge air along circumferential direction.Guiding piece R is from each inlet hole 24
InWith 24
In' inwardly outstanding, thereby guiding institute inhaled air.
Blower-casting 24 and 24 ' is fixed on the upper shell 22 through the support (not shown), to be positioned at the both sides of the preceding separation member A3 in the upper shell 22.Following inlet hole 24
InBe connected to the bottom surface of upper shell 22 and the end face of lower house 12, and tap 24
OutWith 24 '
OutBe connected to the front surface of upper shell 22.
Here, install blower-casting 24 with 24 ' with in the opposite direction or the air that guiding is sent by each multiple wing type pressure fan (sirocco fan) 26 and 26 ' on identical direction, to prevent the generation interference.Although the blower-casting 24 and 24 ' of an outdoor unit is mounted to the air that sends along direction each multiple wing type pressure fan of guiding (sirocco fan) 26 and 26 ', the blower-casting 24 and 24 ' of adjacent outdoor unit is mounted to the air that sends along opposite direction each multiple wing type pressure fan of guiding (sirocco fan) 26 and 26 '.
Preferably, the multiple wing type pressure fan (siroccofan) 26 and 26 ' the direction of rotation that are built in blower-casting 24 and 24 ' are confirmed through the shape of blower-casting 24 and 24 ' with operation.
Multiple wing type pressure fan 26 and 26 ' is the aerofoil fan that is used for discharging along axial direction suction air and along circumferential direction air.Multiple wing type pressure fan (siroccofan) 26 and 26 ' with big air volume is suitable for having the outdoor unit of higher cooling performance.
Multiple wing type pressure fan (sirocco fan) 26 and 26 ' is built in blower-casting 24 and 24 ' along last/following axial direction, with the inlet hole 24 in the face of each blower-casting 24 and 24 '
InWith 24
In'.Make multiple wing type pressure fan (sirocco fan) 26 and 26 ' rotation, thus the tap 24 that air is sent to each blower-casting 24 and 24 ' according to shape and the installation direction of each blower-casting 24 and 24 '
OutWith 24
Out'.
As shown in Figure 8, motor 28 and 28 ' is preferably mounted at goes up inlet hole 24
In' near, at the inlet hole 24 of blower-casting 24 and 24 '
InWith 24
In' in, inlet hole 24 on this
In' have a relatively little suction flux.In order to reduce installing space, motor 28 and 28 ' part are positioned at the inlet hole 24 of blower-casting 24 and 24 '
InWith 24
In' inside.
Particularly, without brush but adopt BLDC motor that manual circuit is converted into DC current with alternating current as motor 28 and 28 '.Because the BLDC motor does not have carbon brush, thereby the BLDC motor is in operation and does not produce spark, has reduced the possibility of gas burst, in most number of revolutions, by stabilized driving, and keeps 70 to 80% high efficiency.
Particularly; BLDC motor 28 comprises the electric machine rotational axis 282 that is used to transmit power to multiple wing type pressure fan (sirocco fan) 26, stator 284, rotor 286; Thereby with the permanent magnet 288 that is used for producing revolving force drive motors rotating shaft 282, and the sensor (not shown) that is used for controlling the electric current of being supplied through the position of detection rotor 286 through mutual electromagnetic force.
In order to reduce to suck mobile resistance, BLDC motor 28 is fixedly mounted on the motor support member 30, and said motor support member is positioned at the last inlet hole 24 of the relatively little suction flux of having of blower-casting 24
InNear.
Electric machine rotational axis 282 holds 289 through roller bearing and is bearing on the motor support member 30 rotatably to pass motor support member 30.The end of electric machine rotational axis 282 is through the chimeric axial centre that is connected to multiple wing type pressure fan (sirocco fan) 26.Stator 284 is fixedly mounted on the motor support member 30, is formed with predetermined gap with the periphery of electric machine rotational axis 282.
The outer radius portion of rotor 286 is positioned on the periphery of stator 284, and its inner-diameter portion whose is fixedly mounted on the electric machine rotational axis 282.On the end face of rotor 286 or bottom surface, be formed with a plurality of ribs, to strengthen the generation intensity of centrifugal force along radial direction.Said a plurality of permanent magnet 288 is fixedly mounted in the outer radius portion of rotor 286 along circumferential direction with predetermined interval, thereby produces mutual electromagnetic force with stator 284.Near the core that is installed in stator 284 that sensor is fixed.
Therefore, during to the core of stator 284 supply electric current, rotor 286 rotates down at the electric current of core and the effect of the mutual electromagnetic power between the permanent magnet 288 in order.The revolving force of rotor 286 rotatably drives multiple wing type pressure fan (sirocco fan) 26 through electric machine rotational axis 282.
Here, cylindrical shaft support unit 302 is shorter than electric machine rotational axis 282.Ball bearing 289 is installed in the top and bottom of a bearing unit 302, is used for rotatably mounted electric machine rotational axis 282.On stator support unit 304, be formed with a plurality of grooves or hole 304a and a plurality of screwed hole 304h, thereby stator 284 can insert and fix through screw thread.
Preferably, three fixed cells 306 are formed on the interval of 120 degree on the periphery of axle bearing unit 302 and stator support unit 304 of motor support member 30 (with the load that distributes and supported).More preferably; In order to strengthen the intensity of fixed cell 306; A plurality of intensity ribs 308 are formed between a bearing unit 302, stator support unit 304 and the fixed cell 306; With the bottom of supporting stator support unit 304 and fixed cell 306, and a plurality of auxiliary intensity ribs 309 is formed on the end face of fixed cell 306.
Especially, fixed cell 306 is 304 outstanding along radial direction from stator support unit.The middle part 306a of fixed cell 306 is inclined upwardly along radial direction.Screwed hole 306h is formed in the horizontal component of end 306b of fixed cell 306.In motor support member 30, the end 306b screw thread of fixed cell 306 is combined in the last inlet hole 24 of blower-casting 24
InNear.
Use description to the assembling and the installation process of the outdoor unit of split-type air conditioner now.Condenser 14, compressor 16a, 16b and 16c and expansion gear are installed in the lower house 12, and will be used to control a side that is installed in condenser 14 with the control cabinet of upper-part, thereby form heat exchange unit 10.
Said to multiple wing type pressure fan (sirocco fan) 26 and 26 ' and BLDC motor 28 and 28 ' through motor support member 30 and 30 ' and be fixed to blower-casting 24 and 24 ' respectively, be used to constitute a pair of ventilation unit.Said ventilation unit is fixed in the upper shell 22, thereby forms unit ventilators 20.
The assembling process of unit ventilators 20 will be described now in further detail.The electric machine rotational axis 282 of BLDC motor 28 is rotatably installed in the axle bearing unit 302 of motor support member 30 through ball bearing 289; And stator 284 screw threads are fixed on the end face of stator support unit 304 of motor support member 30, thereby form electric machine assembly.In this electric machine assembly; When being positioned at multiple wing type pressure fan (sirocco fan) 26 in the blower-casting 24; Electric machine rotational axis 282 is just through on the chimeric axial centre that is connected to multiple wing type pressure fan (sirocco fan) 26, and when the last inlet hole 24 that the fixed cell 306 of motor support member 30 is installed in blower-casting 24
InWhen neighbouring, fixed cell 306 is fixedly connected on it through screw.
Therefore, comprise that the said right ventilation unit of BLDC motor 28 and 28 ' is positioned at the both sides of upper shell 22, and install regularly through support.BLDC motor 28 and 28 ' is connected to control cabinet through lead, and by this control cabinet control.
The front surface opened of lower house 12 and upper shell 22.Following separation member A1 and last separation member A2 are mounted to lower house 12 and upper shell were opened in 22 minutes.Especially, thus preceding separation member A3 is installed on the front surface of upper shell 22 separately blower-casting 24 and 24 '.
Here, be formed on tap 24 on the front surface of blower-casting 24 and 24 '
OutWith 24
Out' closely be attached on the front surface of upper shell 22, be used for directly externally discharging air from each blower-casting 24 and 24 '.
Following connector C1 is mounted to the end face that covers lower house 12, and upper connector C2 is mounted on the bottom surface that is bearing in upper shell 22, and upper shell 22 is installed on the lower house 12, and the assembling projection 12a of lower house 12 and 12b are attached to upper shell 22 through screw thread.The bottom surface of the end face of lower house 12 and upper shell 22 interconnects.
Therefore, compressor 16a, 16b and the 16c of outdoor unit, condenser 14 and expansion gear are connected to the evaporimeter of indoor unit through refrigerant pipe.Load Control is passed through in the operation of compressor 16a, 16b and 16c.
To specify the operation of outdoor unit now.According to the control cabinet signal operation compressor 16a, 16b and the 16c that produce by load.Cold-producing medium is drawn in the indoor unit through compressor 16a, 16b, 16c, condenser 14 and expansion gear, and circulates along the evaporimeter of indoor unit.Cold-producing medium through evaporimeter cools off near the air the evaporimeter, thereby carries out indoor cooling down operation.
When cold-producing medium circulation time in condenser 14, drive multiple wing type pressure fan (sirocco fan) 26 and 26 ' through BLDC motor 28 and 28 ' respectively.Therefore, the front surface inhaled air through lower house 12 carries out heat exchange through condenser 14 and cold-producing medium, and condensating refrigerant.Through heat exchange air through multiple wing type pressure fan (sirocco fan) 26 and 26 ' and from the discharge of the front surface of upper shell 22.
In BLDC motor 28, when the coil to stator 284 provides electric current, just between stator 284 and permanent magnet 288, produce mutual electromagnetic power.Sensor detects the position of stator 284, and order provides electric current to the coil of stator 284, thereby between stator 284 and permanent magnet 288, produces mutual electromagnetic power constantly.Rotor 286 that permanent magnet 288 is fixed to the upper and electric machine rotational axis 282 rotation under the effect of electromagnetic force simultaneously are used for revolving force is transferred to multiple wing type pressure fan (sirocco fan) 26.
Because the stable torque area broad of BLDC motor 28, thereby BLDC motor 28 can stable operation under various RPM, thereby limited noise and reduced energy consumption.
Multiple wing type pressure fan (the sirocco fan) 26 and 26 ' of rotation sucks air along axial direction under the effect of BLDC motor 28 and 28 '.Air through condenser 14 is at inlet hole 24
InWith 24
In' near under the guiding of the guiding piece R that forms, most of following inlet hole 24 through blower-casting 24 and 24 '
InWith 24
In' suck, part is drawn into the last inlet hole 24 of blower-casting 24 and 24 '
InWith 24
In', suck along the axial direction of multiple wing type pressure fan (sirocco fan) 26 and 26 ', under the guiding of blower-casting 24 and 24 ', discharge, and pass through the tap 24 of blower-casting 24 and 24 ' along circumferential direction
OutWith 24
Out' discharge.
Here, BLDC motor 28 and 28 ' is installed in the inlet hole 24 of blower-casting 24 and 24 '
InWith 24
In' in have the last inlet hole 24 of less suction flux
InWith 24
In' near, thereby make the inlet flow dynamic resistance minimum.And, BLDC motor 28 and 28 ' stable driving effectively, thus ventilation and heat exchanger effectiveness improved.
Install through BLDC motor 28 and 28 ' because have two multiple wing type pressure fans (sirocco fan) 26 and 26 ' of bigger ventilation, thereby can effectively control ventilation, and can increase maximum air containment through load.In addition, because two condensers 14 are stacked and interconnect along last/lower direction, therefore can promote condensation heat exchange, thereby improve the cooling performance of whole kind of refrigeration cycle.
Although on the basis of the preferred embodiments of the present invention and accompanying drawing, described the preceding suction/discharge formula outdoor unit that is used for built-in air-conditioning; It should be understood that; The invention is not restricted to these preferred embodiments; Those skilled in the art can carry out multiple change and improvement in the spirit and scope of following the present invention for required protection.
Claims (15)
1. outdoor unit that is used for split-type air conditioner comprises:
Be installed in the shell of the outer pars intramuralis of building outside the faced chamber, be formed on suction unit (10) and deliverying unit (20) on the unlimited front surface of said shell in the faced chamber outside separately;
Compressor (16a, 16b, 16c), it is installed in the said suction unit of said shell, is used for compressed refrigerant;
Condenser (14,14a, 14b), it is installed in the said suction unit of said shell, is used for through between said cold-producing medium and outdoor air, carrying out heat exchange the said cold-producing medium that in said compressor, is compressed being carried out condensation;
It is characterized in that,
A pair of blower-casting (24,24 '); It has towards the inlet hole of said condenser with towards the tap (24out, 24 ' out) of the deliverying unit of said shell; Said blower-casting is built in the said shell; So that said tap can with the direct adjacency of said deliverying unit, thereby to the discharge direction channeling conduct of the air that carries out heat exchange in the said condenser;
A pair of multiple wing type pressure fan (26,26 '); It is installed in respectively in the said blower-casting; Be used for suction chamber outer air through the said suction unit of said shell; Be used for said outdoor air is sent to said condenser, and be used for discharging said air through heat exchange through the said deliverying unit of said shell;
A pair of motor (28,28 '), it is connected to said multiple wing type pressure fan, is used for driving respectively said multiple wing type pressure fan; And
A pair of motor support member (30,30 '), it is used for respectively said motor being fixed to said blower-casting,
The said deliverying unit (20) of wherein said shell is divided into both sides; First and second deliverying units are formed on both sides; And said blower-casting is mounted to respectively and the direct adjacency of said first and second deliverying units, thereby is communicated with said first and second deliverying units respectively
Wherein said inlet hole (24in, 24 ' in) is formed on the said end face and bottom surface to blower-casting (24,24 '); Thereby air can suck along the axial direction of each multiple wing type pressure fan; And the said tap that is communicated with said first and second deliverying units (24out, 24 ' out) is formed on the said front surface to blower-casting; Thereby air can be along the circumferential discharge of each multiple wing type pressure fan (26,26 ')
Wherein said multiple wing type pressure fan (26,26 ') is configured to along the rotation of opposite direction; To prevent interference by each multiple wing type air that pressure fan is discharged; And said to blower-casting (24,24 ') against each other, the air of discharging with guiding in opposite direction.
2. outdoor unit according to claim 1, wherein said shell is divided into the upper and lower, and said suction unit is formed on the said bottom (12) of said shell and locates, and the said top (22) that said deliverying unit is formed on said shell is located.
3. outdoor unit according to claim 1 also comprises suction grid that the said suction unit (10) that is installed in said shell and said deliverying unit (20) locate and discharges grid, gets into said shell to prevent foreign matter.
4. outdoor unit according to claim 1 is on the wherein said last inlet hole (24in, 24 ' in) that motor (28,28 ') is fixedly mounted in the less suction flux of having of each blower-casting.
5. according to each described outdoor unit among the claim 1-4, wherein said is the BLDC motor to motor (28,28 ').
6. outdoor unit according to claim 5, wherein said BLDC motor (28,28 ') comprising:
Electric machine rotational axis (282), it is connected to said multiple wing type pressure fan (26,26 '), to be used to transmit power;
Stator (284), heart place rotatably is equipped with said electric machine rotational axis therein, and said stator is fixedly mounted on the said motor support member (30,30 '), around the core of said stator, is wound with coil;
Rotor (286), the periphery that it is installed in said stator is connected to said electric machine rotational axis, and is arranged to rotate with said electric machine rotational axis;
Permanent magnet (288), it is fixed to said rotor, is used for making said rotor and the rotation of said electric machine rotational axis through the electromagnetic force with said stator; And
Sensor, it is used to detect the position of said rotor, and electric current is sent to the said coil of said rotor continuously.
7. outdoor unit according to claim 6, wherein said motor support member (30,30 ') comprising:
Cylindrical shaft support unit (302), it is used for through the rotatably mounted said electric machine rotational axis of bearing (289);
Stator support unit (304), its upper end with said axle bearing unit combines, and said stator is fixedly mounted on the said stator support unit; And
A plurality of fixed cells (306), said a plurality of fixed cells are radially outstanding from the circumference of said stator support unit with predetermined interval, and are fixed to the said blower-casting end face of (24,24 ') through screw.
8. outdoor unit according to claim 7, wherein, in said motor support member (30,30 '), the said core of said stator (284) is fixed to the top of said stator support unit (304) through screw.
9. outdoor unit according to claim 7; Wherein, In said motor support member (30,30 '); Intensity ribs (308,309) is formed between said axle bearing unit (302), said stator support unit (304) and the said fixed cell (306), to strengthen the intensity of said fixed cell.
10. outdoor unit according to claim 9, wherein, in said motor support member (30,30 '), the middle part of said fixed cell (306) radially is inclined upwardly, and is inner thereby the part of said BLDC motor can be installed in said blower-casting.
11. outdoor unit according to claim 10, wherein, in said motor support member (30,30 '), three fixed cells (306) are formed on the periphery of said axle bearing unit (302) and said stator support unit (304) with predetermined interval.
12. according to each described outdoor unit in the claim 1 to 4, wherein said condenser (14,14a, 14b) forms U-shaped, the central straight line portion of U-shaped condenser is towards the said suction unit of said shell.
13. outdoor unit according to claim 12, wherein, a pair of condenser (14b, 14b) is mounted to the inner up and down place of the said suction unit that is stacked in said shell.
14. according to each described outdoor unit in the claim 1 to 4; Also comprise louver frame (100,110,120,130); It is used for the open spaces of building outer wall is divided into: with corresponding suction zone, the said suction unit (10) of said shell (IN); And with the corresponding discharging area of said deliverying unit (20) (OUT) of said shell, inboard thereby said outdoor unit can be installed in said open spaces.
15. outdoor unit according to claim 14; Wherein a plurality of louvre blades (120) are installed in the said suction zone (IN) and said discharging area (OUT) of said louver frame with predetermined interval, are used to control direction that sucks air and the direction of discharging air.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2005/001628 WO2006129891A2 (en) | 2005-05-31 | 2005-05-31 | Outdoor unit for split type air-conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101189478A CN101189478A (en) | 2008-05-28 |
| CN101189478B true CN101189478B (en) | 2012-04-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800499574A Expired - Fee Related CN101189478B (en) | 2005-05-31 | 2005-05-31 | Outdoor unit for split type air-conditioner |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1886070B1 (en) |
| KR (3) | KR100991287B1 (en) |
| CN (1) | CN101189478B (en) |
| AT (1) | ATE432450T1 (en) |
| DE (1) | DE602005014684D1 (en) |
| ES (1) | ES2327140T3 (en) |
| WO (1) | WO2006129891A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5097576B2 (en) * | 2008-02-29 | 2012-12-12 | 日立アプライアンス株式会社 | Indoor embedded heat source and air conditioner |
| EP2096365B1 (en) * | 2008-02-29 | 2017-10-11 | Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Limited | Heat source unit installed inside building |
| CN101963377A (en) * | 2010-01-11 | 2011-02-02 | 阿尔西制冷工程技术（北京）有限公司 | Frozen water type machine room air conditioner |
| KR101311193B1 (en) * | 2011-10-05 | 2013-09-26 | 한국교통대학교산학협력단 | Out-door unit in Heat-Pump type air-Conditioner to generate wind power |
| ITPD20110344A1 (en) * | 2011-10-31 | 2013-05-01 | Emerson Network Power Srl | UPPER AIR PASSAGE MODULE FOR INDUSTRIAL AIR-CONDITIONING MACHINES EQUIPPED WITH COOLING FUNCTION BY EXTERNAL AIR INTRODUCTION |
| CN104949303B (en) * | 2013-07-26 | 2017-11-14 | 广东美的制冷设备有限公司 | Floor air conditioner air channel structure and vertical air conditioner indoor unit |
| EP3252385B1 (en) * | 2015-01-29 | 2019-11-13 | Mitsubishi Electric Corporation | Air conditioner |
| EP3316392B1 (en) * | 2015-06-24 | 2020-04-22 | Amotech Co. Ltd. | Battery cooling apparatus |
| CN105004024A (en) * | 2015-08-10 | 2015-10-28 | 珠海格力电器股份有限公司 | Air conditioner |
| KR101872567B1 (en) | 2015-08-25 | 2018-06-28 | 엘지전자 주식회사 | An outdoor unit for a an air conditioner |
| WO2017104085A1 (en) * | 2015-12-18 | 2017-06-22 | 三菱電機株式会社 | Outdoor machine for freezing cycle apparatus |
| DE212017000156U1 (en) * | 2016-06-08 | 2019-01-11 | Seung Ho TAK | air cleaner |
| KR20180033634A (en) * | 2016-09-26 | 2018-04-04 | 삼성전자주식회사 | Air conditioner and control method thereof |
| CN107504597A (en) * | 2017-08-04 | 2017-12-22 | 青岛海尔空调电子有限公司 | Air-conditioner outdoor unit |
| JP6673377B2 (en) * | 2018-01-31 | 2020-03-25 | ダイキン工業株式会社 | Air conditioner outdoor unit |
| FR3142536A1 (en) * | 2022-11-30 | 2024-05-31 | UNISSON Ingénierie Acoustique | DEVICE FOR REDUCING THE NOISE OF AN OUTDOOR HEAT PUMP UNIT, AND RELATED HEAT PUMP ASSEMBLY |
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| KR20000000545A (en) * | 1998-06-01 | 2000-01-15 | 구자홍 | Controlling method for absorption heating and cooling instrument |
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- 2005-05-31 AT AT05746028T patent/ATE432450T1/en not_active IP Right Cessation
- 2005-05-31 CN CN2005800499574A patent/CN101189478B/en not_active Expired - Fee Related
- 2005-05-31 EP EP05746028A patent/EP1886070B1/en not_active Not-in-force
- 2005-05-31 KR KR1020077025445A patent/KR100981859B1/en active IP Right Grant
- 2005-05-31 KR KR1020107019297A patent/KR20100101019A/en not_active Application Discontinuation
- 2005-05-31 WO PCT/KR2005/001628 patent/WO2006129891A2/en active Application Filing
- 2005-05-31 DE DE602005014684T patent/DE602005014684D1/en not_active Expired - Fee Related
- 2005-05-31 ES ES05746028T patent/ES2327140T3/en active Active
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| CN1428560A (en) * | 2001-12-28 | 2003-07-09 | Lg电子株式会社 | Outdoor unit with reinforced structure for air conditioner |
| CN1522353A (en) * | 2003-04-23 | 2004-08-18 | LG������ʽ����(LG Electronics,Inc.) | Front side suction and discharge type outdoor unit for air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP1886070B1 (en) | 2009-05-27 |
| ES2327140T3 (en) | 2009-10-26 |
| KR20070119724A (en) | 2007-12-20 |
| KR20100101019A (en) | 2010-09-15 |
| ATE432450T1 (en) | 2009-06-15 |
| WO2006129891A2 (en) | 2006-12-07 |
| WO2006129891A3 (en) | 2007-08-23 |
| KR20090081441A (en) | 2009-07-28 |
| EP1886070A2 (en) | 2008-02-13 |
| DE602005014684D1 (en) | 2009-07-09 |
| KR100981859B1 (en) | 2010-09-13 |
| CN101189478A (en) | 2008-05-28 |
| KR100991287B1 (en) | 2010-11-01 |
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