CN105371391A - Outdoor unit for air conditioner and air conditioner - Google Patents

Outdoor unit for air conditioner and air conditioner Download PDF

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Publication number
CN105371391A
CN105371391A CN201410412714.3A CN201410412714A CN105371391A CN 105371391 A CN105371391 A CN 105371391A CN 201410412714 A CN201410412714 A CN 201410412714A CN 105371391 A CN105371391 A CN 105371391A
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CN
China
Prior art keywords
frequency converter
filter
air
outdoor unit
conditioner
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
CN201410412714.3A
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Chinese (zh)
Inventor
何成军
刘洋
林文涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Original Assignee
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Hisense Hitachi Air Conditioning System Co Ltd filed Critical Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority to CN201410412714.3A priority Critical patent/CN105371391A/en
Publication of CN105371391A publication Critical patent/CN105371391A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an outdoor unit for an air conditioner and the air conditioner and relates to the technical field of air conditioners. The outdoor unit is invented in order to solve the problem that electrical elements in an electrical box are difficult to arrange due to a cooling device for cooling a frequency converter in an outdoor unit of a frequency conversion air conditioner. The outdoor unit for the air conditioner comprises an outdoor heat exchanger, a four-way valve, a compressor, a filter and at least one frequency converter. One end of the filter is communicated with the compressor, the other end of the filter is communicated with the four-way valve, one end of the outdoor heat exchanger is communicated with the four-way valve, the other end of the outdoor heat exchanger is communicated with an indoor unit of the air conditioner, and the frequency converters are arranged on the filter and make contact with the surface of the filter. The outdoor unit for the air conditioner is used for the air conditioner.

Description

A kind of air-conditioner outdoor unit and air-conditioner
Technical field
The present invention relates to air-conditioner technical field, particularly relate to a kind of air-conditioner outdoor unit and air-conditioner.
Background technology
What require heat pump performance along with user improves constantly, convertible frequency air-conditioner because of have energy-efficient, noise is low, temperature adjustment speed is fast and accuracy of temperature control advantages of higher, become the leading of air-conditioning consumption market, convertible frequency air-conditioner increases one or more frequency converter in the structure of conventional air-conditioning, according to the change of indoor air temperature, by Frequency Converter Control and the rotating speed adjusting compressor, make compressor be in best rotary regimes all the time, thus improve Energy Efficiency Ratio.
Frequency converter in existing convertible frequency air-conditioner is fixed in the electrical box of air-conditioner outdoor unit usually, multiple electronic component is provided with in frequency converter, due to electronic component operationally distribute heat, therefore, the heat abstractor being specifically designed to frequency converter heat radiation is provided with in electrical box, accelerate aging to prevent electronic component Yin Gaowen in frequency converter or burn, and specially to the larger space that the heat abstractor of frequency converter heat radiation has accounted in electrical box, the layout of other electrical equipments in electrical box is made to become difficulty, in addition, increase the volume of electrical box, and the electrical box that volume increases can make to reduce for the space of air quantity circulation in air-conditioning, increase the resistance of air quantity circulation, air circulation is caused to reduce, thus the refrigeration of air-conditioning or heating effect are reduced, add the time of operation of air conditioner, in addition, electrical box volume increases, the system pipeline layout of air-conditioning inside is made to be subject to a definite limitation.
Summary of the invention
Embodiments of the invention provide a kind of air-conditioner outdoor unit, while guarantee frequency converter radiating effect, can simplify the structure of electrical box, reduce the volume of electrical box.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of air-conditioner outdoor unit, comprise outdoor heat exchanger, cross valve, compressor, filter and at least one frequency converter, described filter one end is communicated with described compressor, the other end is communicated with described cross valve, one end of described outdoor heat exchanger is communicated with described cross valve, the other end is for being communicated with air conditioner room unit, and described frequency converter is arranged on described filter, and contacts with described filter surfaces.
Embodiments of the invention additionally provide a kind of air-conditioner, comprise the air-conditioner outdoor unit described in technique scheme.
The air-conditioner outdoor unit that the embodiment of the present invention provides and air-conditioner, be arranged on described filter by described frequency converter, and contact with described filter surfaces, thus utilize described filter to dispel the heat to described frequency converter, when air-conditioner is in refrigerating operaton, heat exchanger low temperature refrigerant out indoor, first flow into described filter, enter described compressor again, when air-conditioning is in heating operation, heat exchanger low temperature refrigerant out flows into described filter outdoor, enter described compressor again, therefore, when refrigeration or heating operation, the refrigerant entering described filter is all low temperature, make the temperature of described filter surfaces lower, and the heat that sheds causes described frequency converter temperature higher during electronic component work in described frequency converter, after then described frequency converter contacts with described filter surfaces, heat on described frequency converter can be passed to described filter, described filter transfers heat to the low temperature refrigerant flowing into described filter again, realize the heat radiation to described frequency converter, when air-conditioner works, the refrigerant of low temperature continuously flows into described filter, heat on described frequency converter is passed to the low temperature refrigerant flowed in described filter, described frequency converter temperature is reduced, thus prevents electronic component Yin Gaowen in frequency converter and accelerate aging or burn, thus, described filter can be utilized to dispel the heat to described frequency converter, eliminate the heat abstractor being specifically designed to the heat radiation of described frequency converter, save cost, frequency converter is arranged on described filter, avoid and described frequency converter is set in described electrical box, thus simplify the structure of electrical box, reduce the volume of electrical box, thus the space that can increase for air quantity circulation in air-conditioning, air quantity is circulated increase, and then improve refrigeration and the heating effect of air-conditioning, simultaneously, electrical box volume reduces, the interference of electrical box to air-conditioner outdoor unit internal duct can be reduced, be convenient to the layout of air-conditioner outdoor unit internal duct.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of embodiment of the present invention air-conditioner outdoor unit;
Fig. 2 is the schematic diagram of a kind of embodiment of embodiment of the present invention air-conditioner outdoor unit middle filtrator;
Fig. 3 is the schematic diagram of the another kind of embodiment of embodiment of the present invention air-conditioner outdoor unit middle filtrator;
Fig. 4 is the schematic diagram of embodiment of the present invention air-conditioner outdoor unit middle filtrator and frequency converter connected mode.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
With reference to Fig. 1, Fig. 1 is a specific embodiment provided by the invention, wherein filled arrows represents the flow direction of refrigerant when air-conditioner freezes, the flow direction of refrigerant when hollow arrow represents air conditioner heat-production, air-conditioner outdoor unit 1 in the present embodiment, comprise outdoor heat exchanger 11, cross valve 12, compressor 13, filter 14 and at least one frequency converter 15, filter 14 one end is communicated with the air inlet 131 of compressor 13, the other end is communicated with cross valve 12, one end of outdoor heat exchanger 11 is communicated with cross valve 12, the other end is for being communicated with air conditioner room unit (not shown), frequency converter 15 is arranged on filter 14, and with filter 14 surface contact.
When air-conditioner is in refrigerating operaton, from described indoor heat exchanger low-temp low-pressure refrigerant out, first inflow filter 14, enters from filter 14 refrigerant out the refrigerant that compressor 13 becomes HTHP again, and then refrigerant enters outdoor heat exchanger 11 again and carries out condensation.When air-conditioner is in heating operation, after capillary (not shown), low-temp low-pressure refrigerant is become from described indoor heat exchanger HTHP refrigerant out, refrigerant enters outdoor heat exchanger 11 and evaporates rear inflow filter 14, enters compressor 13 from filter 14 refrigerant out.
When refrigeration or heating operation, the refrigerant entering filter 14 is all low temperature, then the temperature on filter 14 surface is lower (through measuring, the temperature on filter 14 surface is 20 DEG C-40 DEG C), and in frequency converter 15 electronic component work time shed heat cause frequency converter 15 temperature higher (through measurement, when air-conditioner works, the temperature on frequency converter 15 surface is about 60 DEG C), after frequency converter 15 and filter 14 surface contact, heat on frequency converter 15 can be passed to filter 14, filter 14 transfers heat to the low temperature refrigerant of inflow filter 14 again, realize the heat radiation to frequency converter 15, when air-conditioner works, the refrigerant of low temperature continuously flows into filter 14, heat on frequency converter 15 is passed to the low temperature refrigerant of flowing in filter 14, frequency converter 15 temperature is reduced, prevent electronic component Yin Gaowen in frequency converter 15 and accelerate aging or burn.Thus, filter 14 pairs of frequency converters 15 can be utilized to dispel the heat, eliminate the heat abstractor being specifically designed to frequency converter 15 and dispelling the heat, save cost, frequency converter 15 is arranged on filter 14, avoid and frequency converter 15 is set in electrical box, thus simplify the structure of electrical box, reduce the volume of electrical box, thus the space that can increase for air quantity circulation in air-conditioning, air quantity is circulated increase, and then improve refrigeration and the heating effect of air-conditioning, simultaneously, electrical box volume reduces, the interference of electrical box to air-conditioner outdoor unit internal duct can be reduced, be convenient to the layout of air-conditioner outdoor unit 1 internal duct, in addition, air-conditioner outdoor unit 1 overall dimensions can be reduced, be convenient to transport and the installation of air-conditioner outdoor unit 1.
Electronic component in frequency converter 15 can be installed on circuit boards, the circuit board dripping in frequency converter 15 to prevent water droplet causes circuit board short circuit, therefore, frequency converter 15 can adopt the shell of closed waterproof, frequency converter 15 can adopt cuboid, the shell of the various shapes such as cylinder, the surface of filter 14 can adopt cylinder, semicylinder, the various shapes such as polyhedron, filtration channel 142 is had in filter 14, refrigerant flows through filter 14 by filtration channel 142, if the shell of frequency converter 15 or filter 14 are cylinder, the shell of frequency converter 15 and filter 14 surface are by cylindrical contacts side surfaces, contact surface is less, therefore, in order to increase the contact surface of frequency converter 15 and filter 14, to improve the radiating effect of frequency converter 15, the shell of filter 14 and the surface of frequency converter 15 all at least comprise a plane, the plane of the shell of frequency converter 14 and the plane contact of filter 14, as shown in Figure 2, filter 14 is semicylinder structure, the two ends of filtration channel 142 are located in the both ends of the surface of semicylinder respectively, frequency converter 15 is arranged in the plane between semicylinder both ends of the surface, wherein, frequency converter 15 comprise for carrying out with other devices multiple terminals 152 of being electrically connected, as shown in Figure 3, the surface of filter 14 and the shell of frequency converter 15 are rectangular structure, and any plane on filter 14 surface contacts with any plane of frequency converter 15 shell, thus, increase the area of frequency converter 15 surface and filter 14 surface contact, thus improve filter 14 and frequency converter 15 carry out exchange heat effect by contacting, and then improve the effect that frequency converter 15 lowers the temperature.
Filter 14 can be arranged one or more frequency converter 15, when air-conditioner outdoor unit comprises multiple frequency converter 15, can will partly or entirely be arranged on filter 14 in multiple frequency converter 15, thus, can dispel the heat to more frequency converter 15, take full advantage of the low temperature on filter 14 surface, further simplify the structure of electrical box.
In order to improve the radiating effect of frequency converter 15, heat-conducting layer (not shown) can be set between frequency converter 15 and filter 14, frequency converter 15 is contacted by described heat-conducting layer with filter 14, heat-conducting layer can be the Heat Conduction Material coated between frequency converter 15 and filter 14, also can be one deck heat conduction film be arranged between frequency converter 15 and filter 14, thus, resistance to heat between frequency converter 15 and filter 14 is reduced, thus the heat on frequency converter 15 is delivered on filter 14 faster, and then improve the radiating effect of frequency converter 15.Need specialized processes owing to arranging heat conduction film, cost is higher, and coating Heat Conduction Material is easy to operation, cost is lower, therefore, coating method can be adopted to arrange Heat Conduction Material, concrete, described Heat Conduction Material can adopt thermally conductive grease to be coated with and the heat conduction such as ink, paraffin phase-change material.
With reference to Fig. 4, in order to prevent frequency converter 15 at filter 14 surface sliding, can frequency converter 15 be fixed on filter 14, wherein, fixed form has multiple, such as, frequency converter 15 and filter 14 are fixedly connected with by screw or adopt welding manner to be fixedly connected with, but according to welding manner, be unfavorable for the dismounting of frequency converter 15, and the mode adopting screw to be connected and fixed, when frequency converter 15 breaks down, frequency converter 15 can be pulled down by pulling down screw, thus, object for convenience detach can be reached.
When adopting screw to be fixedly connected with frequency converter 15 and filter 14, can arrange screw pole (not shown) respectively in frequency converter 15 and filter 14, screw fit penetrates in screw pole, and frequency converter 15 is fixedly connected with filter 14; Or also the first screw base 141 can be set in filter 14 outer rim, in the position that frequency converter 15 outer rim is corresponding with the first screw base 141, the second screw base 151 is set, during installation, first screw base 141 and the second screw base 151 are fitted, and be fixedly connected with by screw, frequency converter 15 is fixedly connected with filter 14; Owing to arranging the layout that screw pole can increase element in frequency converter 15 in frequency converter 15, therefore, preferably the first screw base 141 is set in filter 14 outer rim, in the position that frequency converter 15 outer rim is corresponding with the first screw base 141, the second screw base 151 is set, first screw base 141 is fixedly connected with by screw with the second screw base 151, thus, frequency converter 15 is fixedly connected on filter 14, simultaneously, in frequency converter 15, screw pole is not set, can reduce, to the interference of arrangements of elements in frequency converter 15, to be convenient to the layout of element in frequency converter 15.
First screw base 141 is connected by special connector with filter 14 surface, also can be one-body molded, second screw base 151 is connected by special connector with frequency converter 15 shell, also can be one-body molded, in order to simplify structure, save special connector and connection procedure, can preferably the first screw base 141 to be one-body molded with filter 14 surface, the second screw base 151 is one-body molded with frequency converter 15 shell.
With reference to Fig. 4, more firm in order to make frequency converter 15 be fixedly connected with filter 14, the first screw base 141 and the second screw base 151 can be multiple, and one_to_one corresponding, thus from multiple position, frequency converter 15 can be fixedly connected with filter 14, what frequency converter 15 was connected with filter 14 is more firm.
In addition, in order to ensure frequency converter 15 and the good thermal conductivity of filter 14 and alleviate the weight of off-premises station, frequency converter 15 sheathing material can adopt the heat conductivilitys such as aluminium alloy good and the less material of density, the surface of filter 14 can adopt the heat-transfer rates such as copper faster material make.
Embodiments of the invention additionally provide a kind of air-conditioner, comprise the air-conditioner outdoor unit described in above-mentioned any embodiment.
Because the air-conditioner outdoor unit provided in the air-conditioner outdoor unit of the present embodiment air-conditioner and each embodiment of above-mentioned air-conditioner outdoor unit is identical, therefore the two can solve identical technical problem, and reaches identical Expected Results.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.

Claims (9)

1. an air-conditioner outdoor unit, comprise outdoor heat exchanger, cross valve, compressor, filter and at least one frequency converter, described filter one end is communicated with described compressor, the other end is communicated with described cross valve, one end of described outdoor heat exchanger is communicated with described cross valve, and the other end, for being communicated with air conditioner room unit, is characterized in that, described frequency converter is arranged on described filter, and contacts with described filter surfaces.
2. air-conditioner outdoor unit according to claim 1, is characterized in that, the surface of described filter and the surface of described frequency converter all at least comprise a plane, the plane of described frequency converter and the plane contact of described filter.
3. air-conditioner outdoor unit according to claim 1, is characterized in that, described frequency converter is multiple, and described multiple frequency converter is all arranged on described filter, and all contacts with described filter surfaces.
4. air-conditioner outdoor unit according to claim 1, is characterized in that, also comprise the heat-conducting layer that Heat Conduction Material is formed, described frequency converter is contacted by described heat-conducting layer with described filter.
5. air-conditioner outdoor unit according to claim 4, is characterized in that, described Heat Conduction Material is thermally conductive grease or heat conduction phase-change material.
6. air-conditioner outdoor unit according to claim 1, is characterized in that, described filter surfaces is provided with the first screw base, and described frequency converter surface is provided with the second screw base, and described first screw base is fixedly connected with by described screw with described second screw base.
7. air-conditioner outdoor unit according to claim 6, is characterized in that, described first screw base and described filter surfaces one-body molded, described second screw base and described frequency converter surface one-body molded.
8. air-conditioner outdoor unit according to claim 7, is characterized in that, described first screw base and described second screw base are multiple, and one_to_one corresponding.
9. an air-conditioner, is characterized in that, comprises the air-conditioner outdoor unit according to any one of claim 1 ~ 8.
CN201410412714.3A 2014-08-20 2014-08-20 Outdoor unit for air conditioner and air conditioner Pending CN105371391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410412714.3A CN105371391A (en) 2014-08-20 2014-08-20 Outdoor unit for air conditioner and air conditioner

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Application Number Priority Date Filing Date Title
CN201410412714.3A CN105371391A (en) 2014-08-20 2014-08-20 Outdoor unit for air conditioner and air conditioner

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CN105371391A true CN105371391A (en) 2016-03-02

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CN201410412714.3A Pending CN105371391A (en) 2014-08-20 2014-08-20 Outdoor unit for air conditioner and air conditioner

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018072510A1 (en) * 2016-10-21 2018-04-26 珠海格力电器股份有限公司 Heat recovery system for air conditioner
CN110553437A (en) * 2019-09-02 2019-12-10 全谷制冷空调(上海)有限公司 Hot defrosting direct current frequency conversion compression condensing unit
CN110553438A (en) * 2019-09-02 2019-12-10 全谷制冷空调(上海)有限公司 Unit type refrigerator

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Publication number Priority date Publication date Assignee Title
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CN101294727A (en) * 2007-04-26 2008-10-29 乐金电子(天津)电器有限公司 Cooling by-pass structure of electric appliance control box of frequency conversion type air conditioner outdoor unit
CN101769567A (en) * 2009-01-07 2010-07-07 乐金电子(天津)电器有限公司 Split type frequency-variable air conditioner outdoor machine
JP2011122779A (en) * 2009-12-11 2011-06-23 Toshiba Carrier Corp Refrigerating cycle device
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CN203704185U (en) * 2014-01-29 2014-07-09 浙江华越控制软件有限公司 Air-conditioner electronic control heat dissipation system connected to refrigerant pipeline

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018072510A1 (en) * 2016-10-21 2018-04-26 珠海格力电器股份有限公司 Heat recovery system for air conditioner
CN110553437A (en) * 2019-09-02 2019-12-10 全谷制冷空调(上海)有限公司 Hot defrosting direct current frequency conversion compression condensing unit
CN110553438A (en) * 2019-09-02 2019-12-10 全谷制冷空调(上海)有限公司 Unit type refrigerator

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