CN103912927A - Electrical box and air conditioner outdoor unit - Google Patents
Electrical box and air conditioner outdoor unit Download PDFInfo
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- CN103912927A CN103912927A CN201410114431.0A CN201410114431A CN103912927A CN 103912927 A CN103912927 A CN 103912927A CN 201410114431 A CN201410114431 A CN 201410114431A CN 103912927 A CN103912927 A CN 103912927A
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- electrical appliance
- appliance kit
- air
- outdoor unit
- conditioner outdoor
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Abstract
The invention provides an electrical box and an air conditioner outdoor unit. The electrical box comprises a box body, a PCB, and a radiator. The PCB and the radiator are mounted inside the box body. The electrical box further comprises power-consuming devices which generate heat. One end of every power-consuming device is mounted on the surface of the PCB; the other end of every power-consuming device contacts with the radiator. A preset gap is arranged between each two power-consuming devices on the PCB, and another preset gap is arranged between each power-consuming device and the box body; air flow passes the preset gaps to dissipate the heat. The air conditioner outdoor unit comprises the electrical box. The electrical box and the air conditioner outdoor unit have the advantages that the structural design is simple and reasonable, the preset gaps between the power-consuming devices in the box body allow flowing of air, natural convection is enhanced for the power-consuming devices, surface temperature of the power-consuming devices during operation is lowered, and reliability of the electrical box is improved.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly relate to a kind of electrical appliance kit, and the air-conditioner outdoor unit that contains above-mentioned electrical appliance kit.
Background technology
Controller is the maincenter of a machine operation, the cerebral function of similar human body, and electrical appliance kit is to ensure that mainboard is normal, the agent structure of reliably working, whether can electrical appliance kit reliability Work can normally work by the whole machine of direct impact.Present electrical appliance kit improves constantly with progress, the integrated level of technique, technology, and existing Primary Component integrated has again the integrated of Circuits System, and the energy consumption density of device is increasing, and heat radiation also has just become to affect the key issue that can electronic device normally work.
Existing radiating mode is mainly that thinking is to carry out hot conduction-type heat radiation for crucial power consumption device (such as IGBT, diode, IPM etc.), the device surface large in these caloric values contacts with the good metal material of capacity of heat transmission (as aluminium), the heat of device is passed to radiator, again heat radiation is arrived to air, thereby the heat that device work is produced passes in time, reduce the work problem of device surface, ensure the normal operation of device.
The problem of considering material cost, the metallic heat conductive material of existing electronic device is typically chosen in aluminium section bar, by mould, aluminium section bar is extruded into the shape having with fin radiation, can increase like this its area of dissipation, improves cooling-down effect.The structure of aluminium section bar mainly contains pedestal and fin forms, the former and device contacts, the latter's radiations heat energy.Promoting its heat radiation level, is mainly that radiator radiation surface area is increased, and one is that fin height increases, and one is that pedestal area increases.But so will certainly increase the cost of radiator, and in special space, the height of fin is subject to the restriction of structure, cannot increase, this brings larger challenge with regard to the heat radiation of giving device.
In view of above-mentioned defect, the inventor has obtained the invention finally through long research and practice.
Summary of the invention
Based on this, be necessary for problems such as the power consumption device poor heat radiation in electrical appliance kit, a kind of electrical appliance kit of being convenient to the heat radiation of power consumption device is provided, and the air-conditioner outdoor unit that contains above-mentioned electrical appliance kit.Above-mentioned purpose is achieved through the following technical solutions:
A kind of electrical appliance kit, comprises electrical appliance kit body, pcb board and radiator, and pcb board and radiator are respectively installed in electrical appliance kit body, also comprise the power consumption device that produces heat; One end of described power consumption device is installed on the surface of described pcb board, and the other end contacts with described radiator; On described pcb board between adjacent two described power consumption devices, there is prepsetting gap between described power consumption device and described electrical appliance kit body, air-flow dispels the heat by described prepsetting gap.
Above-mentioned purpose can also further realize by following technical proposals.
Wherein, between the edge of described pcb board and described electrical appliance kit body, there is predeterminable range;
Between two surfaces of described pcb board and described electrical appliance kit body, have predeterminable range, described pcb board is contacted and is arranged in described electrical appliance kit body with described radiator by described power consumption device.
Wherein, on described electrical appliance kit body, be provided with multiple louvres, realize air current flow by described louvre.
Also relate to a kind of air-conditioner outdoor unit, comprise casing and electrical appliance kit, described electrical appliance kit is installed in described casing, and and described casing between there is prepsetting gap;
Described electrical appliance kit is the electrical appliance kit described in above-mentioned arbitrary technical characterictic.
Wherein, described air-conditioner outdoor unit also comprises blower fan and compressor;
Described blower fan and described compressor are installed in described casing.
Wherein, described air-conditioner outdoor unit also comprises dividing plate, and described casing is divided into blower fan chamber and compressor chamber by described dividing plate;
On described dividing plate, be provided with through hole, air-flow flows into described blower fan chamber from described compressor chamber by described through hole, and is discharged by described blower fan;
Between described dividing plate and described blower fan, there is prepsetting gap between described dividing plate and described compressor.
Wherein, described air-conditioner outdoor unit also comprises the baffle liner that guides air-flow;
Described baffle liner is installed on described blower fan.
Electrical appliance kit of the present invention and air-conditioner outdoor unit, structural design advantages of simple, by between two power consumption devices adjacent on pcb board, there is prepsetting gap between power consumption device and electrical appliance kit body, prepsetting gap is convenient to air current flow, strengthen the free convection of power consumption device, and take away the heat of power consumption device portions by radiator, thus the surface temperature while falling low energy-consumption electronic device work, thereby promote the reliability of electrical appliance kit, reach the effect that reduces radiator area.
Brief description of the drawings
Fig. 1 is the stereogram of air-conditioner outdoor unit one embodiment of the present invention;
Fig. 2 is the side view of the air-conditioner outdoor unit shown in Fig. 1;
Fig. 3 is the partial enlarged drawing at the air-conditioner outdoor unit A place shown in Fig. 2;
Fig. 4 is the stereogram of electrical appliance kit in the air-conditioner outdoor unit shown in Fig. 2;
Fig. 5 is the side view of electrical appliance kit in the air-conditioner outdoor unit shown in Fig. 4;
Fig. 6 is the front view of electrical appliance kit in the air-conditioner outdoor unit shown in Fig. 4;
Fig. 7 is the partial enlarged drawing at electrical appliance kit B place in the air-conditioner outdoor unit shown in Fig. 6;
Wherein:
100-air-conditioner outdoor unit;
110-electrical appliance kit;
111-electrical appliance kit body;
1111-louvre;
112-PCB plate;
113-electronic device;
114-power consumption device;
115-radiator;
120-blower fan;
121-blower fan chamber;
130-compressor;
131-compressor chamber;
140-baffle liner;
150-casing.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, by the following examples, and by reference to the accompanying drawings, electrical appliance kit of the present invention and air-conditioner outdoor unit are further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1 to Fig. 7, electrical appliance kit 110 of the present invention, comprise electrical appliance kit body 111, electronic device 113, pcb board 112, the power consumption device 114 of radiator 115 and generation heat, pcb board 112 and radiator 115 are respectively installed in electrical appliance kit body 111, electronic device 113 is installed on a surface of pcb board 112, one end of power consumption device 114 is installed on another surface of pcb board 112, the other end contacts with radiator 115, on pcb board between adjacent two institute's power consumption devices, between power consumption device 114 and electrical appliance kit body 111, there is prepsetting gap, air-flow dispels the heat by prepsetting gap.
Electrical appliance kit 110 is in the time of work, power consumption device 114 in it can produce a large amount of heats, if heat is discharged not in time, will affect electronic device 113 in electrical appliance kit body 111 and the service life of power consumption device 114, and then affect the use of electrical appliance kit 110, therefore between power consumption device 114, be provided with heat dissipation channel, heat is flowed, is discharged by heat dissipation channel.Power consumption device 114 contacts with radiator 115, transfers heat to radiator 115 by transmission of heat by contact, and by radiator 115, heat is discharged.
Electrical appliance kit 110 of the present invention, by between two power consumption devices 114 adjacent on pcb board, there is prepsetting gap between power consumption device 114 and electrical appliance kit body 111, prepsetting gap is convenient to air current flow, strengthen the free convection of power consumption device 114, and take away the heat of power consumption device portions by radiator 115, thereby fall the surface temperature of low energy-consumption electronic device 114 while working, thereby promote the reliability of electrical appliance kit 110, reach the effect that reduces radiator area.
As a kind of embodiment, between the edge of pcb board 112 and electrical appliance kit body 111, there is predeterminable range, between two surfaces of pcb board 112 and electrical appliance kit body 111, there is predeterminable range, in predeterminable range in the predeterminable range of heat in electrical appliance kit body 111 between edge and the electrical appliance kit body 111 of pcb board 112 and between two surfaces and the electrical appliance kit body 111 of pcb board 112, flow, pcb board 112 is contacted and is installed in electrical appliance kit body 111 with radiator 115 by the power consumption device 114 on it.
Further, on electrical appliance kit body 111, be provided with multiple louvres 1111, realize air current flow by louvre 1111.The heat that power consumption device 114 produces is discharged by louvre 1111 and radiator 115, in the predeterminable range of heat in electrical appliance kit body 111 between edge and the electrical appliance kit body 111 of pcb board 112 and pcb board 112 be provided with in the predeterminable range between surface and the electrical appliance kit body 111 of power consumption device 114 and flow, and by the multiple louvres 1111 on electrical appliance kit body 111, heat is discharged, power consumption device 114 contacts with radiator 115, takes away the part heat of power consumption device 114 by transmission of heat by contact.
Air-conditioner outdoor unit 100 of the present invention, comprise casing 150 and electrical appliance kit 110, electrical appliance kit 110 is installed in casing 150, and and there is prepsetting gap between casing 150, after heat in guarantee electrical appliance kit body 111 is discharged from louvre 1111, can in this gap, flow, further by heat from the interior discharge of air-conditioner outdoor unit 100.
As a kind of embodiment, air-conditioner outdoor unit 100 also comprises blower fan 120 and compressor 130, and blower fan 120 and compressor 130 are installed to casing 150.
Further, air-conditioner outdoor unit 100 also comprises dividing plate, dividing plate is positioned at the side of casing 150 near blower fan 120, casing 150 is divided into blower fan chamber 121 and compressor chamber 131 by dividing plate, on dividing plate, be provided with through hole, air-flow flows into blower fan chamber 121 from compressor chamber 131 by through hole, and is discharged by blower fan 120, between dividing plate and blower fan 120, there is prepsetting gap between dividing plate and compressor 130.
Compressor chamber 131 is cut apart with the dividing plate in blower fan chamber 121, be mainly preset clearance, the louvre 1111 on guarantee electrical appliance kit body 111 is flowed and can be formed the passway of air-flow by through hole after heat is discharged, next is fit clearance reserved between part, is convenient to Assembly of the parts.
Compressor chamber 131 is higher-pressure region, blower fan chamber 121 is low-pressure area, easily form flowing of air-flow between the two, be that heat in electrical appliance kit body 111 is discharged by louvre 1111, and flowing to the blower fan chamber 121 of low-pressure area from the compressor chamber 131 of higher-pressure region, heat is discharged air-conditioner outdoor unit 100 by blower fan 120 subsequently.
As a kind of embodiment, air-conditioner outdoor unit 100 also comprises the baffle liner 140 that guides air-flow, baffle liner 140 is installed on blower fan 120, be convenient to heat to be incorporated on the fan blade of blower fan 120 and to discharge, simultaneously from condenser away from, can prevent that so extraneous moist air stream, dust from entering into air-conditioner outdoor unit 100.
The electrical appliance kit of foregoing invention and air-conditioner outdoor unit, structural design advantages of simple, by between two power consumption devices adjacent on pcb board, there is prepsetting gap between power consumption device and electrical appliance kit body, prepsetting gap is convenient to air current flow, strengthen the free convection of power consumption device, and take away the heat of power consumption device portions by radiator, thus the surface temperature while falling low energy-consumption electronic device work, thereby promote the reliability of electrical appliance kit, reach the effect that reduces radiator area.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. an electrical appliance kit, comprises electrical appliance kit body, pcb board and radiator, and pcb board and radiator are respectively installed in electrical appliance kit body, it is characterized in that:
Also comprise the power consumption device that produces heat;
One end of described power consumption device is installed on the surface of described pcb board, and the other end contacts with described radiator;
On described pcb board between adjacent two described power consumption devices, there is prepsetting gap between described power consumption device and described electrical appliance kit body, air-flow dispels the heat by described prepsetting gap.
2. electrical appliance kit according to claim 1, is characterized in that:
Between the edge of described pcb board and described electrical appliance kit body, there is predeterminable range;
Between two surfaces of described pcb board and described electrical appliance kit body, have predeterminable range, described pcb board is contacted and is arranged in described electrical appliance kit body with described radiator by described power consumption device.
3. electrical appliance kit according to claim 1, is characterized in that:
On described electrical appliance kit body, be provided with multiple louvres, realize air current flow by described louvre.
4. an air-conditioner outdoor unit, comprises casing, it is characterized in that:
Also comprise electrical appliance kit, described electrical appliance kit is installed in described casing, and and described casing between there is prepsetting gap;
Described electrical appliance kit is the electrical appliance kit described in claims 1 to 3 any one.
5. air-conditioner outdoor unit according to claim 4, is characterized in that:
Also comprise blower fan and compressor;
Described blower fan and described compressor are installed in described casing.
6. air-conditioner outdoor unit according to claim 5, is characterized in that:
Also comprise dividing plate, described casing is divided into blower fan chamber and compressor chamber by described dividing plate;
On described dividing plate, be provided with through hole, air-flow flows into described blower fan chamber from described compressor chamber by described through hole, and is discharged by described blower fan;
Between described dividing plate and described blower fan, there is prepsetting gap between described dividing plate and described compressor.
7. air-conditioner outdoor unit according to claim 5, is characterized in that:
Also comprise the baffle liner that guides air-flow;
Described baffle liner is installed on described blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114431.0A CN103912927B (en) | 2014-03-25 | 2014-03-25 | Air-conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114431.0A CN103912927B (en) | 2014-03-25 | 2014-03-25 | Air-conditioner outdoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912927A true CN103912927A (en) | 2014-07-09 |
| CN103912927B CN103912927B (en) | 2017-06-20 |
Family
ID=51038806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410114431.0A Active CN103912927B (en) | 2014-03-25 | 2014-03-25 | Air-conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912927B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444293A (en) * | 2014-09-17 | 2016-03-30 | 珠海格力电器股份有限公司 | Air conditioner |
| CN105841253A (en) * | 2016-05-13 | 2016-08-10 | 珠海格力电器股份有限公司 | Outdoor unit and air-conditioner having such outdoor unit |
| CN109708215A (en) * | 2019-02-21 | 2019-05-03 | 珠海格力电器股份有限公司 | Air-conditioner set and air-conditioner set fan section |
| WO2020031327A1 (en) * | 2018-08-09 | 2020-02-13 | 三菱電機株式会社 | Outdoor unit and air conditioner |
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| CN200955813Y (en) * | 2006-10-17 | 2007-10-03 | 珠海格力电器股份有限公司 | Split air conditioner with fresh air exchange function |
| CN201878477U (en) * | 2010-11-05 | 2011-06-22 | 珠海格力电器股份有限公司 | Heat radiator of electrical control box |
| CN203136332U (en) * | 2013-02-22 | 2013-08-14 | 广东美的制冷设备有限公司 | PCB assembly and air conditioner outdoor unit possessing the PCB assembly |
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2014
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| CN200955813Y (en) * | 2006-10-17 | 2007-10-03 | 珠海格力电器股份有限公司 | Split air conditioner with fresh air exchange function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444293A (en) * | 2014-09-17 | 2016-03-30 | 珠海格力电器股份有限公司 | Air conditioner |
| CN105841253A (en) * | 2016-05-13 | 2016-08-10 | 珠海格力电器股份有限公司 | Outdoor unit and air-conditioner having such outdoor unit |
| WO2020031327A1 (en) * | 2018-08-09 | 2020-02-13 | 三菱電機株式会社 | Outdoor unit and air conditioner |
| JPWO2020031327A1 (en) * | 2018-08-09 | 2021-01-07 | 三菱電機株式会社 | Outdoor unit and air conditioner |
| CN109708215A (en) * | 2019-02-21 | 2019-05-03 | 珠海格力电器股份有限公司 | Air-conditioner set and air-conditioner set fan section |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103912927B (en) | 2017-06-20 |
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