CN104848437A - Variable-frequency air conditioning appliance box and variable-frequency air conditioner external unit - Google Patents
Variable-frequency air conditioning appliance box and variable-frequency air conditioner external unit Download PDFInfo
- Publication number
- CN104848437A CN104848437A CN201510244688.2A CN201510244688A CN104848437A CN 104848437 A CN104848437 A CN 104848437A CN 201510244688 A CN201510244688 A CN 201510244688A CN 104848437 A CN104848437 A CN 104848437A
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- frequency air
- electrical appliance
- convertible frequency
- appliance kit
- radiator
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Classifications
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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
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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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)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a variable-frequency air conditioning appliance box and a variable-frequency air conditioner external unit. The variable-frequency air conditioning appliance box and variable-frequency air conditioner external unit can solve the problem that an existing appliance box radiator is bad in heat dissipation effect. The variable-frequency air conditioning appliance box comprises a box body, the box body comprises a shallow slot part and a deep slot part, the shallow slot part is adjacent to the deep slot part, a through hole is formed in the slot bottom of the shallow slot part, the through hole is firmly provided with a radiator, the radiator is located in a fan cavity, the deep slot part is located in a press cavity and communicated with the press cavity, an opening is formed in the slot wall of the deep slot part between the radiator and an electric control board capacitor, a shutter-shaped grating is arranged in the opening, and the adjacent grating sheets have overlapped parts. The appliance box can greatly realize the bidirectional air passage heat dissipation for the radiator, the surface temperature of the power appliance is effectively lowered, the electric control board reliability is improved, and the failure rate of the power appliance is lowered; the overlapped parts of the adjacent grating sheets of the shutter-shaped grating can prevent water entering the appliance box, and the safety of the electric control board is guaranteed.
Description
Technical field
The invention belongs to technical field of air conditioner refrigeration, the structure being specifically related to convertible frequency air-conditioner electrical appliance kit is improved and is provided with the external convertible frequency air conditioner of this electrical appliance kit.
Background technology
Transducer air conditioning due to power device (such as transistor, diode, silicon bridge, the power model) caloric value of its electric-controlled plate large, in order to improve convertible frequency air-conditioner reliability, prevent bad working environments controller power device to lose efficacy, just must carry out efficiently radiates heat to power device.The radiating element of transducer air conditioning power device is mostly radiator.
Radiator and electric-controlled plate are normally arranged on electrical appliance kit, and in prior art, the installation on electrical appliance kit of radiator and electric-controlled plate has the following two kinds mode usually.
The first is the fan air channel that radiator is placed in off-premises station, and radiated rib is perpendicular to off-premises station front panel, and on electrical appliance kit, the part of fixed heat sink and the space of fixing electric-controlled plate are separated completely by dividing plate, utilize the air channel of heat exchanger to take away heat, now the concrete structure of electrical appliance kit makes to be installed with electric-controlled plate in box body, box body comprises for the shallow slot portion of accommodating electric-controlled plate power device and the deep trouth portion for accommodating electric-controlled plate electric capacity, due to power device small volume, and electric-controlled plate electric capacity volume is larger, then the degree of depth in shallow slot portion is less than the degree of depth in deep trouth portion, shallow slot portion and deep trouth portion are disposed adjacent, the bottom land in shallow slot portion has through hole, radiator is fixed on the bottom land outer surface in shallow slot portion, and to dispel the heat to close through hole and to be connected with power device to power device in corresponding through hole, radiator is positioned at fan chamber, deep trouth portion is positioned at the press chamber of external convertible frequency air conditioner and is communicated with press chamber, adopt this mounting means, be all generally realize by changing heat sink size when optimizing radiating effect, but radiator is larger, effect is not obvious sometimes, and radiator conference increases production cost.
The second is that radiator and electric-controlled plate are all integrated in electrical appliance kit, namely radiator and electric-controlled plate are all enclosed in electrical appliance kit inside, the air-flow utilizing fan to rotarily drive in press chamber realizes heat radiation by radiator, owing to being enclosed in electrical appliance kit inside, air-flow then in fan air channel can not effectively utilize on a heat sink, and radiating effect is not obvious.
Summary of the invention
The present invention proposes a kind of convertible frequency air-conditioner electrical appliance kit and external convertible frequency air conditioner, can solve the problem of the electric-controlled plate radiator heat-dissipation weak effect of prior art convertible frequency air-conditioner electrical appliance kit.
In order to reach above-mentioned technical purpose, the technical scheme of convertible frequency air-conditioner electrical appliance kit proposed by the invention is, a kind of convertible frequency air-conditioner electrical appliance kit, comprise box body, electric-controlled plate is installed with in described box body, described box body comprises the shallow slot portion of accommodating electric-controlled plate power device and the deep trouth portion of accommodating electric-controlled plate electric capacity, described shallow slot portion and described deep trouth portion are disposed adjacent, and the bottom land in described shallow slot portion has through hole, the bottom land outer surface in described shallow slot portion is installed with radiator in described through hole, described radiator is positioned at the fan chamber of external convertible frequency air conditioner, described deep trouth portion is positioned at the press chamber of external convertible frequency air conditioner and is communicated with press chamber, in the surrounding cell wall in described deep trouth portion, this cell wall between described radiator and the electric capacity of described electric-controlled plate is provided with opening, louvered grid is provided with in described opening, the adjacent grid sheet of described louvered grid has overlapping portion.
The invention allows for a kind of external convertible frequency air conditioner, comprise housing, being provided with space interval in housing in described housing is the dividing plate of press chamber and fan chamber, and the top of described dividing plate is installed with electrical appliance kit, the above-mentioned convertible frequency air-conditioner electrical appliance kit of described electrical appliance kit.
Compared with prior art, the present invention has the following advantages and good effect:
1, on the one hand, radiator is positioned at the fan chamber of external convertible frequency air conditioner, namely exposed in fan chamber, the heat exchange air-flow of heat exchanger in fan air channel can be utilized to take away heat, deep trouth portion cell wall on the other hand between electric-controlled plate electric capacity and radiator is provided with louvered grid, namely this cell wall is no longer closed, the air-flow of side, press chamber can be made to pass through to side, radiator place, the air-flow making full use of side, press chamber takes away the heat of radiator, then electrical appliance kit of the present invention can efficiently utilize fan chamber and the air-flow from the introducing of side, press chamber, realize the maximum two-way air duct radiation of radiator, make radiator effectively can reduce the surface temperature of power device, improve electric-controlled plate reliability, reduce power device crash rate,
2, the adjacent grid sheet of louvered grid has overlapping portion and water gets rid of in electrical appliance kit by arranging when can prevent outer machine fan turns of dash boss, ensures the safety of electric-controlled plate in electrical appliance kit.
Accompanying drawing explanation
Fig. 1 is the perspective view of convertible frequency air-conditioner electrical appliance kit of the present invention;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is that the A-A of Fig. 2 is to sectional view
Fig. 4 is the perspective view (omitting electric-controlled plate and radiator) at another visual angle of convertible frequency air-conditioner electrical appliance kit of the present invention;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is I portion schematic enlarged-scale view in Fig. 5;
Fig. 7 is the mounting structure schematic diagram of convertible frequency air-conditioner electrical appliance kit of the present invention on external convertible frequency air conditioner.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in more detail.
Referring to figs. 1 through Fig. 6, a kind of convertible frequency air-conditioner electrical appliance kit of the present embodiment, comprise box body 10, electric-controlled plate 20 is installed with in box body 10, box body 10 comprises the shallow slot portion 12 and deep trouth portion 11 that are disposed adjacent, corresponding and the power device 21 of accommodating electric-controlled plate 20 in shallow slot portion 12, the corresponding and electric capacity 22 of accommodating electric-controlled plate 20 in deep trouth portion 11; The bottom land in shallow slot portion 12 has through hole 121, and the bottom land outer surface in shallow slot portion 12 is installed with radiator 30 in through hole 121 place place, through hole 121 is generally rectangle or other shapes, contacts the radiator 30 that is connected by radiator 30 to its heat radiation for making power device 21; As shown in Figure 1, deep trouth portion 11 is rectangular slot, radiator 30 is positioned on the left of it, in the surrounding cell wall in deep trouth portion 11, this cell wall 111 between radiator 30 and electric capacity 22 is provided with opening 112, another relative cell wall 113 is provided with another opening 114, and be provided with louvered grid 115 in opening 112, the adjacent grid sheet 1151 of louvered grid 115 has overlapping portion B.With reference to Fig. 7, when electrical appliance kit is arranged on external convertible frequency air conditioner, radiator 30 is positioned at the fan chamber 40 of external convertible frequency air conditioner, and deep trouth portion 11 is positioned at the press chamber 50 of external convertible frequency air conditioner, and deep trouth portion 11 is communicated with press chamber 50 by the opening 114 on its cell wall 113.
As shown in Figure 7, the present embodiment also proposed a kind of external convertible frequency air conditioner, comprise housing 60, being provided with space interval in housing 60 in housing 60 is the dividing plate 70 of above-mentioned press chamber 50 and fan chamber 40, can prevent the rotation of the fan 80 in fan chamber 40 from throwing away the water come enters in press chamber 50, and electrical appliance kit is installed in the top of dividing plate 70.Wherein, the embodiment of concrete structure see convertible frequency air-conditioner electrical appliance kit of the present invention of electrical appliance kit and the description of accompanying drawing 1 to Fig. 6, do not repeat them here.
When external convertible frequency air conditioner runs, due to the running of fan 80, the louvered grid 115 of electrical appliance kit becomes its air outlet, opening 114 becomes the air inlet of electrical appliance kit, the air channel of electrical appliance kit is formed between opening 112 and opening 114, when fan 80 operates, opening 112 place forms a negative pressure space, because the air-flow of the side, air pressure official post press chamber 50 between opening 112 and opening 114 forms radiating airflow through louvered grid 115 to radiator 30 place effluent is dynamic by electric-controlled plate 20 inside in the air channel of electric-controlled box, as Fig. 2, shown in arrow in Fig. 3 and Fig. 7 on electrical appliance kit, the heat of the higher generation of operating temperature is fixed on the power device 21 on radiator 30 because will be taken away along with cold air, because this radiating airflow is from the lower extraneous air of the relative temperature of off-premises station side, high temperature gas flow after not flowing through heat exchanger, then effectively can reduce the surface temperature of power device 21, improve its reliability, especially in outdoor 45 DEG C of-50 DEG C of bad working environments, this effect is especially obvious, surface temperature can reduce about 15 DEG C.In addition, radiator 30 is positioned at fan chamber 40, and the air-flow produced when fan 80 operates, as shown in the arrow on Fig. 7 fan 80, also fully can take away the heat of radiator 30, dispel the heat to radiator 30.
Owing to arranging opening 112 and louvered grid 115, then can there is the risk of being got rid of by water and damaging electric-controlled plate in electrical appliance kit when fan 80 operates, and in the present embodiment the adjacent grid sheet 1151 of louvered grid 115 have overlapping portion B can effectively dash to avoid above-mentioned risk.
To sum up, then the present embodiment electrical appliance kit can efficiently utilize fan chamber and the air-flow from the introducing of side, press chamber, realize the maximum two-way air duct radiation of radiator, make radiator effectively can reduce the surface temperature of power device, improve electric-controlled plate reliability, reduce the fault rate of electric-controlled plate, and there will not be because fan chamber is communicated with from press chamber by opening and louvered grid the risk causing intaking in electrical appliance kit.
For ensureing that not having water enters in electrical appliance kit further, the bottom land inner surface exceeding deep trouth portion 11 on the base of opening 112 is formed with the boss 116 for dash, as shown in Figure 4 and Figure 6, the overlapping portion B of boss 1116 and adjacent grid sheet 1151 can play dual dash effect, has avoided water to enter in electrical appliance kit.
As shown in Figures 4 to 6, in the present embodiment louvered grid 115 each grid sheet 1151 perpendicular to the bottom land in deep trouth portion 11, namely it is vertically arranged, the outer tip end of grid sheet 115 is connected on the top margin of opening 112, the outer lower end of grid sheet 1151 is connected on the base of opening 112, because electrical appliance kit box body 10 is usually thinner, then the surrounding side of opening 112 is thinner, then each grid sheet 1151 respective thickness is thinner, intensity is more weak, if only its outer tip end and bottom are connected in the corresponding sides of opening 112, grid sheet 1151 easily deforms, for head it off, the bottom land inner surface in deep trouth portion 11 is also provided with strip raised ribs 117, the inner lower edge of each grid sheet 1151 is connected in raised ribs 117, namely the inner lower edge of each grid sheet 1151 is supported by raised ribs 117, outer tip end and bottom to be connected support by the corresponding sides of opening 112, greatly strengthen the intensity of grid sheet 1151, avoid it to deform, meanwhile, the setting of raised ribs 117 also can play the effect that further anti-sealing enters electric-controlled plate region, further ensures the use safety of electric-controlled plate.
Further, the width L of the overlapping portion B of adjacent grid sheet 1151 is advisable with 1-3mm, and in the present embodiment, L value gets 2mm.
Certainly, louvered grid 115 each grid sheet 1151 also can be parallel to the bottom land in deep trouth portion 11, be namely horizontally disposed with, form horizontal louvered grid 115.In like manner, the height of the overlapping portion B of its adjacent grid sheet 1151 is 1-3mm.Specifically the arrange form of the present embodiment to louvered grid 115 does not do concrete restriction.
Be similarly the object reaching fully heat radiation, in the present embodiment, the radiated rib 31 of radiator 30 is parallel to the front panel of external convertible frequency air conditioner housing, as shown in Figure 7, and the radiated rib of radiator 30 in conventional art is perpendicular to the front panel of external convertible frequency air conditioner housing, radiated rib 31 is parallel to the front panel of external convertible frequency air conditioner housing, the air-flow of being come by side, press chamber 50 can be made fully to pass through each radiated rib 31, take away the heat concentrating on radiator 30 surface, make full use of the air-flow of side, press chamber 50.
Further, each radiated rib 31 is made up of left and right two parts, is interval trough 32 between two parts radiated rib 31, and by an integral heat sink fin groove milling is formed left and right two parts, namely institute's groove milling becomes interval trough 32.By arranging the radiated rib of this form, make airflow direction as shown in Figure 3, the air-flow at interval trough 32 place forms convection current with the air-flow of being come by side, press chamber 50, increases the range of scatter of air-flow, fast heat is taken away.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (9)
1. a convertible frequency air-conditioner electrical appliance kit, comprise box body, electric-controlled plate is installed with in described box body, described box body comprises the shallow slot portion of accommodating electric-controlled plate power device and the deep trouth portion of accommodating electric-controlled plate electric capacity, described shallow slot portion and described deep trouth portion are disposed adjacent, and the bottom land in described shallow slot portion has through hole, the bottom land outer surface in described shallow slot portion is installed with radiator in described through hole, described radiator is positioned at the fan chamber of external convertible frequency air conditioner, described deep trouth portion is positioned at the press chamber of external convertible frequency air conditioner and is communicated with press chamber, it is characterized in that: in the surrounding cell wall in described deep trouth portion, this cell wall between described radiator and the electric capacity of described electric-controlled plate is provided with opening, louvered grid is provided with in described opening, the adjacent grid sheet of described louvered grid has overlapping portion.
2. convertible frequency air-conditioner electrical appliance kit according to claim 1, is characterized in that: the base of described opening exceeds the boss of bottom land inner surface formation for dash in described deep trouth portion.
3. convertible frequency air-conditioner electrical appliance kit according to claim 2, it is characterized in that: each grid sheet of described louvered grid is perpendicular to the bottom land in described deep trouth portion, the outer tip end of described grid sheet is connected on the top margin of described opening, the outer lower end of described grid sheet is connected on the base of described opening, the bottom land inner surface in described deep trouth portion has strip raised ribs, and the inner lower edge of described grid sheet is connected in described raised ribs.
4. convertible frequency air-conditioner electrical appliance kit according to claim 1, is characterized in that: the overlapping portion width of the adjacent grid sheet of described louvered grid is 1-3mm.
5. convertible frequency air-conditioner electrical appliance kit according to claim 1, is characterized in that: each grid sheet of described louvered grid is parallel to the bottom land in described deep trouth portion.
6. convertible frequency air-conditioner electrical appliance kit according to claim 5, is characterized in that: the overlapping portion height of the adjacent grid sheet of described louvered grid is 1-3mm.
7. the convertible frequency air-conditioner electrical appliance kit according to claim 3 or 5, is characterized in that: the radiated rib of described radiator is parallel to the front panel of external convertible frequency air conditioner housing.
8. convertible frequency air-conditioner electrical appliance kit according to claim 7, is characterized in that: each described radiated rib is made up of left and right two parts, is interval trough between two parts radiated rib.
9. an external convertible frequency air conditioner, comprise housing, being provided with space interval in housing in described housing is the dividing plate of press chamber and fan chamber, and the top of described dividing plate is installed with electrical appliance kit, it is characterized in that: the convertible frequency air-conditioner electrical appliance kit of described electrical appliance kit according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510244688.2A CN104848437B (en) | 2015-05-14 | 2015-05-14 | Convertible frequency air-conditioner electrical appliance kit and external convertible frequency air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510244688.2A CN104848437B (en) | 2015-05-14 | 2015-05-14 | Convertible frequency air-conditioner electrical appliance kit and external convertible frequency air conditioner |
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| CN104848437B CN104848437B (en) | 2018-06-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258244A (en) * | 2015-10-19 | 2016-01-20 | 珠海格力电器股份有限公司 | Electric appliance box, box body, box cover and household appliance |
| CN105465910A (en) * | 2015-12-31 | 2016-04-06 | 海信（山东）空调有限公司 | Radiator, waterproof structure of radiator and air conditioner |
| CN106051954A (en) * | 2016-07-12 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air conditioner |
| CN111380113A (en) * | 2018-12-29 | 2020-07-07 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN111698862A (en) * | 2020-07-08 | 2020-09-22 | 青岛海信电子设备股份有限公司 | Fluorine pump air conditioning unit cabinet and air conditioning system |
| CN111981584A (en) * | 2020-07-20 | 2020-11-24 | 珠海格力电器股份有限公司 | Fixed frequency and variable frequency universal baffle and cylindrical air conditioner |
| CN112944491A (en) * | 2021-02-18 | 2021-06-11 | 珠海格力电器股份有限公司 | Electric box assembly, air conditioner outdoor unit and air conditioner |
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| CN203132007U (en) * | 2013-01-10 | 2013-08-14 | 广东美的电器股份有限公司 | Electrical control box assembly and air conditioning unit with same |
| CN203375565U (en) * | 2013-05-31 | 2014-01-01 | 广州华凌制冷设备有限公司 | Frequency conversion air conditioner outdoor unit |
| CN204665508U (en) * | 2015-05-14 | 2015-09-23 | 海信（山东）空调有限公司 | Convertible frequency air-conditioner electrical appliance kit and external convertible frequency air conditioner |
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| JPH01127825A (en) * | 1987-11-12 | 1989-05-19 | Matsushita Electric Ind Co Ltd | Heat dissipating device for electric appliance of air-conditioning machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258244A (en) * | 2015-10-19 | 2016-01-20 | 珠海格力电器股份有限公司 | Electric appliance box, box body, box cover and household appliance |
| CN105465910A (en) * | 2015-12-31 | 2016-04-06 | 海信（山东）空调有限公司 | Radiator, waterproof structure of radiator and air conditioner |
| CN105465910B (en) * | 2015-12-31 | 2019-07-16 | 海信（山东）空调有限公司 | Radiator waterproof construction, radiator and air conditioner |
| CN106051954A (en) * | 2016-07-12 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air conditioner |
| CN106051954B (en) * | 2016-07-12 | 2021-11-05 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air conditioner |
| CN111380113A (en) * | 2018-12-29 | 2020-07-07 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN111380113B (en) * | 2018-12-29 | 2021-05-25 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN111698862A (en) * | 2020-07-08 | 2020-09-22 | 青岛海信电子设备股份有限公司 | Fluorine pump air conditioning unit cabinet and air conditioning system |
| CN111698862B (en) * | 2020-07-08 | 2023-10-13 | 青岛海信网络能源股份有限公司 | Fluorine pump air conditioning unit cabinet and air conditioning system |
| CN111981584A (en) * | 2020-07-20 | 2020-11-24 | 珠海格力电器股份有限公司 | Fixed frequency and variable frequency universal baffle and cylindrical air conditioner |
| CN111981584B (en) * | 2020-07-20 | 2024-01-16 | 珠海格力电器股份有限公司 | Fixed-frequency and variable-frequency general baffle and cylinder type air conditioner |
| CN112944491A (en) * | 2021-02-18 | 2021-06-11 | 珠海格力电器股份有限公司 | Electric box assembly, air conditioner outdoor unit and air conditioner |
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| CN104848437B (en) | 2018-06-08 |
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Address after: 266101 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee after: Hisense Air Conditioning Co.,Ltd. Address before: 266101 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. |
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Effective date of registration: 20220913 Address after: 528000 No. 8 Rongguirong Port Road, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Kelong Jiake Electronics Co.,Ltd. Address before: 266101 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee before: Hisense Air Conditioning Co.,Ltd. |