CN108826450B - Transverse air swinging air conditioner - Google Patents

Transverse air swinging air conditioner Download PDF

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Publication number
CN108826450B
CN108826450B CN201810457448.4A CN201810457448A CN108826450B CN 108826450 B CN108826450 B CN 108826450B CN 201810457448 A CN201810457448 A CN 201810457448A CN 108826450 B CN108826450 B CN 108826450B
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China
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fan
odd
cross
sub
air
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CN201810457448.4A
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CN108826450A (en
Inventor
朱小菊
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Yiwu Ce New Material Co.,Ltd.
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Yiwu Ce New Material Co ltd
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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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F1/0025—Cross-flow or tangential fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a transverse air-swinging air conditioner, which comprises a cross-flow fan, a fan control unit and a fan control unit, wherein the cross-flow fan is equally divided into an even number of fan subsections along an axis; and the fan blades on each fan subsection form an inclination angle with the axial line of the cross flow fan; in order from left to right, the fan blades of the fan branches at odd number positions and the fan blades of the fan branches at even number positions are mirror-symmetrical about the cross section of the cross flow fan; the fan sub-sections at the odd positions are mutually fixed to form the odd sub-sections, and the fan sub-sections at the even positions form the even sub-sections and are independent of the odd sub-sections; the odd number sub-part and the even number sub-part are respectively and independently driven by a first motor and a second motor. The air conditioner can not only swing air up and down, but also swing air transversely in the working process.

Description

Transverse air swinging air conditioner
Technical Field
The invention relates to the field of electrical equipment, in particular to a household air conditioner.
Background
The household air conditioner mainly comprises an external unit and an internal unit, wherein the internal unit mainly comprises a heat exchange pipe system and a cross-flow fan; the conventional cross-flow fan is of an integrated cylindrical structure, only directional airflow orthogonal to the axis of the fan can be generated during rotation, and vertical air swinging of an air conditioner can be realized by adjusting a guide plate of an air outlet of the air conditioner, but transverse air swinging cannot be realized; under the condition that indoor personnel are widely distributed, the current air conditioner cannot completely meet the requirement of a user for blowing cool wind.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a horizontal air-swinging air conditioner, which can swing air not only up and down, but also horizontally in the working process.
The first technical scheme adopted by the invention for solving the technical problems is as follows: the transverse air swinging air conditioner comprises an air conditioner internal machine, wherein a reversible guide plate is arranged at an air outlet of the air conditioner internal machine; a cross-flow fan is arranged in the air outlet; the cross-flow fan is equally divided into an even number of fan subsections along the axis; and the blades of each fan subsection form an inclination angle with the axial line of the cross flow fan, so that when the fan subsections rotate, the discharged air flow simultaneously has components vertical and parallel to the axial line of the cross flow fan; in order from left to right, the fan blades of the fan branches at odd number positions and the fan blades of the fan branches at even number positions are mirror-symmetrical about the cross section of the cross flow fan; the odd-positioned fan sections are fixed to each other to form an odd-positioned section, and the even-positioned fan sections form an even-positioned section and are independent of the odd-positioned section; the odd number sub-part and the even number sub-part are independently driven by a first motor and a second motor respectively.
Preferably, in the odd-numbered subsections, the fan subsections are mutually fixed by a common rotating shaft; and in the even-numbered part, the fan parts are fixedly connected by short cylindrical net cages surrounding the fan parts in the odd-numbered part, so that the rotation of the odd-numbered part and the even-numbered part is not interfered with each other, and the airflow of the odd-numbered part can be freely discharged from the net cages without obvious obstruction.
Preferably, the first and second motors are both continuously variable motors.
The first technical scheme has the beneficial effects that: when the air conditioner drives only the odd-numbered subsections to rotate, the air flow has axial components when the odd-numbered subsections are used for supplying air to the outside, so that the air flow is deviated to one side of the air conditioner, and when the odd-numbered subsections and the even-numbered subsections are driven to rotate simultaneously, the axial components of the air flow generated by the odd-numbered subsections and the even-numbered subsections are offset with each other, so that the whole cross-flow fan only generates the air flow vertical to the axis of the fan, even if the air conditioner blows in the forward direction; therefore, when the first motor and the second motor are made to circularly work from strong to weak and then from weak to strong, and the first motor is in a weak half period, the second motor is in a strong half period, and the first motor is in a strong half period, the second motor is in a weak half period; the exhaust air flow of the entire cross flow fan will have a cyclically varying axial directional component, i.e. a yaw effect of the exhaust air flow is achieved.
The second technical scheme adopted by the invention for solving the technical problems is as follows: the transverse air swinging air conditioner comprises an air conditioner internal machine, wherein a reversible guide plate is arranged at an air outlet of the air conditioner internal machine; a cross-flow fan is arranged in the air outlet; the cross-flow fan is equally divided into an even number of fan subsections along the axis; and the blades of each fan subsection form an inclination angle with the axial line of the cross flow fan, so that when the fan subsections rotate, the discharged air flow simultaneously has components vertical and parallel to the axial line of the cross flow fan; in order from left to right, the fan blades of the fan branches at odd number positions and the fan blades of the fan branches at even number positions are mirror-symmetrical about the cross section of the cross flow fan; each fan is sleeved on the same main shaft driven by a driving motor through a shaft sleeve; radial pin holes are uniformly distributed on the inner side of the shaft sleeve of each fan subsection in the circumferential direction, radial slide ways are uniformly distributed on the main shaft in the circumferential direction in the region matched with each shaft sleeve, a radial slide block is restrained in each radial slide way by a spring, and in a natural state, the radial slide block extends out of the radial slide way under the elastic force of the spring and can extend into the radial pin holes of the shaft sleeve so as to circumferentially lock the shaft sleeve and the main shaft; electromagnets which are in one-to-one correspondence with the shaft sleeves are arranged in the main shaft, when the electromagnets are electrified, the radial slide blocks can be retracted into the radial slide ways by overcoming the elasticity of the springs, and at the moment, the shaft sleeves can freely rotate around the main shaft; the electromagnets corresponding to the fan sub-units at the odd number positions are connected in parallel to form an odd electromagnet group; the electromagnets corresponding to the fan subsections at the even number positions are connected in parallel to form an even electromagnet group; the odd electromagnet group and the even electromagnet group are controlled by the control module.
The second technical scheme has the beneficial effects that: when the odd electromagnet groups and the even electromagnet groups are alternatively electrified through the control module, the fan branches at odd positions and the fan branches at even positions can be alternatively rotated, and therefore a left-right air swinging effect can be generated; when all the electromagnets are turned off simultaneously and all the fan sections are rotated simultaneously, the whole cross flow fan can supply air in the positive direction; compared with the first technical scheme, the second technical scheme can save a motor with larger volume and cost, completely eliminate the position interference of fan subsections at odd positions and even positions, and avoid the use of cumbersome structures such as the short cylindrical netpen, so that the transmission structure is simpler.
Drawings
Fig. 1 is a schematic view of a cross flow fan in the first embodiment of the cross flow air conditioner.
Fig. 2 is a schematic diagram of the cross flow fan blowing air to the left side in the first embodiment of the cross flow air conditioner.
Fig. 3 is a schematic diagram of the cross flow fan blowing air to the right side in the first embodiment of the cross flow air conditioner.
Fig. 4 is a schematic view of a cross flow fan in the second embodiment of the cross flow air conditioner.
Fig. 5 is a sectional view taken along line a-a in fig. 4.
Detailed Description
The first embodiment is as follows:
in the first embodiment shown in fig. 1-3, the transverse swinging air conditioner comprises an air conditioner internal unit, and a reversible guide plate (not shown) is arranged at an air outlet of the air conditioner internal unit; a cross-flow fan 1 is arranged in the air outlet; the cross flow fan 1 is equally divided along the axis into an even number of fan subsections 11; and the blades 111 of each of said fan sections 11 form an inclination with the axis of the cross flow fan so that, when the fan sections 11 rotate, the discharged air flow has both a component perpendicular and a component parallel to the axis of the cross flow fan; in order from left to right, the fan blades of the fan branches at odd number positions and the fan blades of the fan branches at even number positions are mirror-symmetrical about the cross section of the cross flow fan; the odd-positioned fan sections are fixed to each other to form an odd-positioned section 1a, while the even-positioned fan sections form an even-positioned section 1b and are independent of the odd-positioned section 1 a; the odd number sub-unit 1a and the even number sub-unit 1b are independently driven by a first motor 21 and a second motor 22, respectively.
In the first embodiment, in the odd-numbered sub-sections 1a, the fan sub-sections 11 are fixed to each other by a common rotating shaft 3; in the even-numbered sub-unit 1b, the fan sub-units 11 are fixedly connected by the short cylindrical net cages 4 of the fan sub-units 11 enclosed in the odd-numbered sub-units, so that the rotations of the odd-numbered sub-units 1a and the even-numbered sub-units 1b do not interfere with each other, and the airflow of the odd-numbered sub-units 1a can be freely discharged from the net cages 4 without being significantly obstructed.
It is noted that the netpen 4 is not shown in fig. 1 in view of the clarity of the drawing. In addition, in order to make the odd number sub 1a and the even number sub 1b have good smoothness, bearings may be further configured for the odd number sub 1a and the even number sub 1b, wherein the bearings of the odd number sub 1a may be arranged between the intervals of the odd number sub 1a and the even number sub 1b to match the common rotating shaft 3; the bearing of the even number sub-unit 1b is provided at the end of the even number sub-unit 1b and surrounds the periphery of the fan sub-unit 11, that is, the fan sub-unit 11 of the even number sub-unit 1b is fixed to the inner ring of the bearing, and the outer ring of the bearing is fixed to the air conditioning base.
In the transverse air swinging air conditioner, the first motor 21 and the second motor 22 are both stepless speed change motors; therefore, the cross-flow fan 1 can continuously and circularly rotate from strong to weak and then from weak to strong, and can realize the uniform and gentle air swinging effect from left to right and from right to left; so that the air is not blown to the left at a stroke and is blown to the right at a stroke.
When the transverse swinging air conditioner drives only the odd-numbered sub 1a to rotate, the air flow has axial components when the odd-numbered sub 1a blows air to the outside, as shown in fig. 2, so that the air flow is deviated to one side of the air conditioner, and when only the even-numbered sub 1b is driven to rotate, as shown in fig. 3, the air flow is deviated to the other side of the air conditioner, and when the odd-numbered sub 1a and the even-numbered sub 1b are driven to rotate simultaneously, the axial components of the air flow generated by the odd-numbered sub 1a and the even-numbered sub 1b are mutually offset, so that the whole cross flow fan 1 only generates the air flow perpendicular to the axis of the fan, even if the air conditioner; thus, when the first and second motors 21 and 22 are cycled from strong to weak and then from weak to strong, and the first motor 21 is in a weak half period, the second motor 22 is in a strong half period, and the first motor 21 is in a strong half period, the second motor 22 is in a weak half period; the exhaust air flow of the entire cross flow fan 1 will have a cyclically varying axial directional component, i.e. a yaw effect of the exhaust air flow is achieved.
Example two:
in the second embodiment shown in fig. 4 and 5, unlike the first embodiment, each of the fan branches 11 is sleeved on the same main shaft 31 driven by the driving motor 2 through a shaft sleeve 5; radial pin holes 50 are uniformly distributed on the inner side of the shaft sleeve 5 of each fan subsection 11 in the circumferential direction, radial slide ways are uniformly distributed on the main shaft 31 in the circumferential direction in the region matched with each shaft sleeve 5, a radial slide block 33 is restrained in each radial slide way by a spring 32, and in a natural state, the radial slide block 33 extends out of the radial slide way under the elastic force of the spring and can extend into the radial pin holes 50 of the shaft sleeve 5 so as to circumferentially lock the shaft sleeve 5 and the main shaft 31; electromagnets 6 which are in one-to-one correspondence with the shaft sleeves 5 are arranged inside the main shaft 31, when the electromagnets 6 are electrified, the radial slide blocks 33 can be retracted into the radial slide ways by overcoming the elasticity of the springs, and at the moment, the shaft sleeves 5 can freely rotate around the main shaft 31; the electromagnets corresponding to the fan sub-units at the odd number positions are connected in parallel to form an odd electromagnet group; the electromagnets corresponding to the fan subsections at the even number positions are connected in parallel to form an even electromagnet group; the odd electromagnet group and the even electromagnet group are controlled by the control module.
In the cross-wind air conditioner according to the second embodiment, when the odd electromagnet groups and the even electromagnet groups are alternately energized by the control module, the odd-numbered fan sub-units 11 and the even-numbered fan sub-units 11 are alternately rotated, so that the left-right wind swinging effect can be generated; when all the fan branches 11 are rotated simultaneously by closing all the electromagnets 6 at the same time, the whole cross flow fan can supply air in the positive direction; compared with the first technical scheme, the second technical scheme can save a motor with larger volume and cost, completely eliminate the position interference of fan subsections at odd positions and even positions, and avoid the need of adopting cumbersome structures such as the short cylindrical netpen 4, so that the transmission structure is simpler.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (1)

1. A transverse air swinging air conditioner comprises an air conditioner internal unit, wherein a reversible guide plate is arranged at an air outlet of the air conditioner internal unit; a cross-flow fan (1) is arranged in the air outlet; the method is characterized in that: the cross-flow fan (1) is equally divided into an even number of fan subsections (11) along the axis; and the blades (111) of each fan subsection (11) form an inclination angle with the axial line of the cross-flow fan, so that when the fan subsections (11) rotate, the discharged air flow simultaneously has components which are vertical and parallel to the axial line of the cross-flow fan; in order from left to right, the fan blades of the fan branches at odd number positions and the fan blades of the fan branches at even number positions are mirror-symmetrical about the cross section of the cross flow fan; each fan subsection (11) is sleeved on the same main shaft (31) driven by the driving motor (2) through a shaft sleeve (5); radial pin holes (50) are uniformly distributed on the inner side of the shaft sleeve (5) of each fan subsection (11) in the circumferential direction, radial slide ways are uniformly distributed on the main shaft (31) in the circumferential direction in the region matched with each shaft sleeve (5), a radial slide block (33) is restrained in each radial slide way by a spring (32), and in a natural state, the radial slide block (33) extends out of each radial slide way under the elastic force of the spring and can extend into the radial pin holes (50) of the shaft sleeve so as to circumferentially lock the shaft sleeve (5) and the main shaft (31); electromagnets (6) which are in one-to-one correspondence with the shaft sleeves (5) are arranged in the main shaft (31), when the electromagnets (6) are electrified, the radial sliding blocks (33) can be retracted into the radial slide ways by overcoming the elasticity of the springs, and at the moment, the shaft sleeves (5) can freely rotate around the main shaft (31); the electromagnets corresponding to the fan sub-units at the odd number positions are connected in parallel to form an odd electromagnet group; the electromagnets corresponding to the fan subsections at the even number positions are connected in parallel to form an even electromagnet group; the odd electromagnet group and the even electromagnet group are controlled by the control module.
CN201810457448.4A 2018-05-14 2018-05-14 Transverse air swinging air conditioner Active CN108826450B (en)

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CN108826450B true CN108826450B (en) 2020-11-10

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110779181B (en) * 2019-11-12 2022-04-01 广州华凌制冷设备有限公司 Operation control method and device, air conditioner and storage medium
CN112412832B (en) * 2020-10-28 2022-07-19 青岛海尔空调器有限总公司 Cross-flow fan and air conditioner

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997002456A1 (en) * 1995-06-30 1997-01-23 Daikin Industries, Ltd. Cross flow fan and outdoor unit for an air-conditioner
EP1301748A2 (en) * 2000-07-07 2003-04-16 Convec Aps A ventilating device
JP2008215120A (en) * 2007-03-01 2008-09-18 Fujitsu General Ltd Cross-flow fan and air conditioner using the same
JP5310736B2 (en) * 2008-12-04 2013-10-09 三菱電機株式会社 Air conditioner
CN104110806A (en) * 2013-12-12 2014-10-22 广东美的制冷设备有限公司 Split and wall-mounted air conditioner and air duct structure thereof
CN105737264A (en) * 2016-03-28 2016-07-06 朱虹斐 Anion air conditioner
CN207196634U (en) * 2017-06-06 2018-04-06 青岛海尔空调器有限总公司 Wall-hanging air conditioner indoor unit
CN207262541U (en) * 2017-08-22 2018-04-20 青岛海尔空调器有限总公司 Wall-hanging air conditioner indoor unit
CN207554414U (en) * 2017-11-20 2018-06-29 Tcl空调器(中山)有限公司 A kind of tubular wine wheel, cross flow fan and air-conditioner indoor set

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