CN205678790U - A kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box - Google Patents

A kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box Download PDF

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Publication number
CN205678790U
CN205678790U CN201620529743.2U CN201620529743U CN205678790U CN 205678790 U CN205678790 U CN 205678790U CN 201620529743 U CN201620529743 U CN 201620529743U CN 205678790 U CN205678790 U CN 205678790U
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frequency
air conditioner
heat
outdoor machine
conditioner outdoor
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CN201620529743.2U
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刘志龙
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Hisense Air Conditioning Co Ltd
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Hisense Shandong Air Conditioning Co Ltd
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Abstract

The utility model discloses a kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box, described frequency-variable air conditioner outdoor machine circuit board radiating device, for dispelling the heat for several heat-generating electronic elements on frequency-variable air conditioner outdoor machine circuit board, including several thermoelectric modules, the cold end of each thermoelectric module is connected by the first fin and its corresponding heat-generating electronic elements are fixing, after the hot junction of each thermoelectric module is by the series connection of several second fin, being connected with dc source by wire, described second fin is fixed on front panel or the solar or lunar halo of off-premises station.The huyashi-chuuka (cold chinese-style noodles) end pad area occupied of the heating electronic component contact of this heat abstractor is less, and thermoelectric module is arranged as the quantity of heat-generating electronic elements carries out increase and decrease, and make that board structure of circuit designs is compacter;Without setting up the structures such as radiating fin, reducing the cost of heat abstractor and taking volume, meanwhile, heat will not pass through condenser, does not increase the load of system, will not produce impact to the refrigerating capacity of original system.

Description

A kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box
Technical field
The utility model belongs to air-conditioning technical field, specifically, relates to a kind of frequency-variable air conditioner outdoor machine heat dissipation for circuit board Device and electric-controlled box.
Background technology
In transducer air conditioning product, the part electronic devices and components of board application, can produce a large amount of in running Heat, causes local temperature to raise, and damages circuit board.
For ensureing the reliability of system, on the one hand to consider to set up heat abstractor, to ensure the temperature of circuit board reliably In the range of;On the other hand the power output of limiting circuit plate to be considered, reducing the generation of heat, but this can sacrificial system energy The output of power, particularly when worst hot case, needs the power that circuit board output is bigger, simultaneously because environment temperature is higher, electricity The heat dispersal situations of road plate is poor.
In existing product, conventional heat abstractor is to install radiator, radiator below heating electronic component additional On the one hand can strengthen area of dissipation by forms such as fins, improve radiating efficiency;Still further aspect utilizes outdoor fan to bring Cross-ventilation forced heat-exchanging is carried out to radiator.
The radiating mode that another kind is applicable to refrigerating air conditioner in high temperature working condition product is to allow the refrigerant after partial throttling pass through It is installed at the radiator below heating electronic component, take away heat with the refrigerant of lower temperature, but this radiating mode meeting Reduce refrigerating capacity, reduce efficiency, increase the load of condenser.
Content of the invention
The utility model is in order to solve existing frequency-variable air conditioner outdoor machine heat dissipation for circuit board performance difference, and increases condenser The problem of load, it is proposed that a kind of frequency-variable air conditioner outdoor machine circuit board radiating device, can solve the problems referred to above.
In order to solve above-mentioned technical problem, the utility model is achieved by the following technical solutions:
A kind of frequency-variable air conditioner outdoor machine circuit board radiating device, is used for as several on frequency-variable air conditioner outdoor machine circuit board Heat-generating electronic elements dispels the heat, including several thermoelectric modules, the cold end of each thermoelectric module is by the first fin and its institute Corresponding heat-generating electronic elements is fixing to be connected, after the hot junction of each thermoelectric module is by the series connection of several second fin, by leading Line is connected with dc source, and described second fin is fixed on front panel or the solar or lunar halo of off-premises station.
The utility model proposes a kind of frequency-variable air conditioner outdoor machine electric-controlled box simultaneously, including top board, base plate and four sides side The hexahedron structure that plate surrounds, described base plate is fixed with frequency-variable air conditioner outdoor machine circuit board, described circuit board is provided with some Individual heat-generating electronic elements, described frequency-variable air conditioner outdoor machine electric-controlled box also includes heat abstractor, and described heat abstractor includes several Thermoelectric module, the cold end of thermoelectric module is connected by the first fin and its corresponding heat-generating electronic elements are fixing, respectively It after the hot junction of thermoelectric module is by the series connection of several second fin, is connected with dc source by wire, described side plate is opened Having string holes, the wire for connecting the second fin passes through described string holes, and described second fin is fixed on before off-premises station On plate or solar or lunar halo.
Compared with prior art, advantage of the present utility model and good effect are: the heating electronics unit device of this heat abstractor The huyashi-chuuka (cold chinese-style noodles) end pad area occupied of part contact is less, and thermoelectric module sets as the quantity of heat-generating electronic elements carries out increase and decrease Putting, make that board structure of circuit designs is compacter;The heat of hot side end pad is eventually through the front panel being in contact with it, solar or lunar halo etc. Part, as the air of fan convection current is taken away, it is not necessary to sets up the structures such as radiating fin, reduces the cost of heat abstractor and takies body Long-pending, meanwhile, heat will not pass through condenser, does not increase the load of system, will not produce impact to the refrigerating capacity of original system.
After reading in conjunction with the accompanying the detailed description of the utility model embodiment, other features of the present utility model and advantage Will become clearer from.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing of required use is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that a kind of example structure of the frequency-variable air conditioner outdoor machine circuit board radiating device that the utility model is proposed is shown It is intended to;
Fig. 2 is the hot junction mounting structure signal of the frequency-variable air conditioner outdoor machine circuit board radiating device that the utility model is proposed Figure;
Fig. 3 is a kind of example structure schematic diagram of the electric-controlled box that the utility model is proposed.
Detailed description of the invention
Owing on circuit board, mainly electronic component heating produces heat, and owing to off-premises station electric-controlled box is by off-premises station Construction is limited, and in electric-controlled box, space is less, is unfavorable for heat radiation, and current radiating mode is by opening larger area on electric-controlled box Thermovent, or the power output of limiting circuit plate, or allow the refrigerant after partial throttling lower the temperature, open scattered at electric-controlled box The mode of hot mouth is unfavorable for water proof and dust proof, is under severe outdoor environment particularly with off-premises station, shortens the use of circuit board Life-span, and other radiating modes or sacrifice air conditioner refrigerating ability, or increase the load of condenser, it is unfavorable for air conditioning function, Based on this, the utility model proposes a kind of frequency-variable air conditioner outdoor machine circuit board radiating device, utilize the principle pair of thermoelectric cooling Heat-generating electronic elements on circuit board dispels the heat, and takes full advantage of the metal knots such as front panel or the solar or lunar halo of off-premises station Structure, dispelling the heat in the hot junction of auxiliary thermoelectric module, neither increases additional configurations, reduce taking and reducing cost to space.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of the utility model protection.
Embodiment one, the present embodiment proposes a kind of frequency-variable air conditioner outdoor machine circuit board radiating device, as it is shown in figure 1, bag Including several thermoelectric modules 11, the cold end of each thermoelectric module 11 passes through the first fin 12 heating electronics corresponding with it Element 13 is fixing to be connected, after being connected by several second fin 14 in the hot junction of each thermoelectric module 11, by wire and direct current Power supply connects, and the second fin 14 is fixed on front panel or the solar or lunar halo of off-premises station.This heat abstractor is by arranging thermoelectricity system The quantity of cold 11 is consistent with heat-generating electronic elements, is respectively directed to each heat-generating electronic elements and dispels the heat, beneficially radiating efficiency, And take full advantage of the metal structures such as front panel or the solar or lunar halo of off-premises station, dispel the heat in the hot junction of auxiliary thermoelectric module, Neither increase additional configurations, reduce taking and reducing cost to space.Owing to heat is the other end by thermoelectric module Shed, it is not necessary to consider electric-controlled box side heat dispersion, therefore electric-controlled box can make closed structure as required, have dust-proof, Waterproof effect, improves the reliability of circuit board, it is not necessary to additionally arrange dust-proof, waterproof construction, reduces the complexity of electric fitting box structure, Heat sheds eventually through parts such as the front panel contacting with the second fin 14, solar or lunar halo, is taken away by the air of fan convection current, Therefore the hot-side temperature of thermoelectric module 11 is relatively low, can improve the efficiency of thermoelectric cooling;Meanwhile, heat will not be by condensation Device, will not produce impact to the refrigerating capacity of original system.
The quantity of thermoelectric module 11 is consistent with heat-generating electronic elements, according to components and parts distribution situation on circuit boards, The cold end of thermoelectric module 11 can dispersed placement therewith, flexibility is good.
In order to improve the insulating properties between the metal structure that thermoelectric module 11 is in contact with it or circuit board, prevent out Existing short circuit phenomenon, between the first fin 12 and heat-generating electronic elements 13, and/or, the second fin 14 is outdoor with convertible frequency air-conditioner Being provided with insulating heat-conductive pad 15 between the front panel of machine or solar or lunar halo, insulating heat-conductive pad 15 can use in the present embodiment Insulating ceramics pad realizes, has good heat conductivility to reduce thermal resistance while this gasket material insulation simultaneously.
Heat abstractor is particularly suited for DC frequency converting air-conditioner, and dc source is that several thermoelectric modules described are composed in series Series circuit direct current is provided, the output voltage of the controller described dc source of control of convertible frequency air-conditioner, described dc source Output voltage become positive correlation with the voltage being applied on direct current generator or compressor.Heat dissipation capacity becomes with the heat that circuit board produces Change and be adjusted, in the range of the temperature of holding circuit plate is rational at one;Even and if under worst hot case, it is not necessary to be thought of as The output ensureing the temperature of circuit board and limiting power, it is ensured that the refrigerating capacity of system.
As in figure 2 it is shown, be preferably fixed on the second fin 14 on solar or lunar halo 16, it is possible to use air conditioner room outdoor fan brings Air flowing strengthen heat exchange, the second fin 14 is fixed on the outside of described solar or lunar halo 16 by the present embodiment, so as not to impact sky Flow of air, causes noise problem;As required, can place multiple, can be fixed on solar or lunar halo by modes such as screws, N-type is partly led Body and P-type semiconductor make wire form, such as the semiconductor lead 17 in Fig. 2, are fixed on off-premises station front panel 18.
Embodiment two, the present embodiment proposes a kind of frequency-variable air conditioner outdoor machine electric-controlled box, as it is shown on figure 3, include top board the 21st, The hexahedron structure that base plate 22 and four sides side plate 23 surround, base plate 22 is fixed with frequency-variable air conditioner outdoor machine circuit board (in Fig. 3 Not shown), circuit board is provided with several heat-generating electronic elements, described frequency-variable air conditioner outdoor machine electric-controlled box also includes heat radiation dress Putting, as shown in Figure 1 and Figure 2, described heat abstractor includes several thermoelectric modules 11, and the cold end of each thermoelectric module 11 passes through Corresponding heat-generating electronic elements 13 is fixing is connected with it for first fin 12, the hot junction of each thermoelectric module 11 by several the It after two fin 14 series connection, is connected with dc source by wire, side plate 23 has string holes 24, for connecting the second fin The wire of 14 passes through string holes 24, and the second fin 14 is fixed on front panel or the solar or lunar halo of off-premises station.It is only required to be on electric-controlled box Stay string holes 24 through wire, there is dust-proof, waterproof effect, the reliability of raising circuit board, it is not necessary to additionally arrange dust-proof, Waterproof construction.
The cold end of each thermoelectric module 11 is fixing even by the first fin 12 heat-generating electronic elements 13 corresponding with it Connecing, its fixed form can use glue bonding, or as it is shown on figure 3, corresponding with the first fin 12 on electric-controlled box surface Position have bolt hole 25, by screw in screw, the first fin 12 is fixed with corresponding heat-generating electronic elements, Reliable and stable, prevent off-line, the insulating properties of the first fin 12 can play and prevent semiconductor lead from affecting electronics unit simultaneously The effect of part work.
The heat abstractor of the present embodiment includes other a kind of architectural features of embodiment, can be found in described in embodiment one, Do not repeat at this.
Certainly, described above is not to restriction of the present utility model, and the utility model is also not limited to the example above, Change, remodeling, interpolation or the replacement that those skilled in the art are made in essential scope of the present utility model, Also protection domain of the present utility model should be belonged to.

Claims (9)

1. a frequency-variable air conditioner outdoor machine circuit board radiating device, is used for as several on frequency-variable air conditioner outdoor machine circuit board Thermoelectric elements is dispelled the heat, it is characterised in that: including several thermoelectric modules, the cold end of each thermoelectric module is by the first heat radiation Piece is fixing with its corresponding heat-generating electronic elements to be connected, and is connected by several second fin in the hot junction of each thermoelectric module After, it is connected with dc source by wire, described second fin is fixed on front panel or the solar or lunar halo of off-premises station.
2. frequency-variable air conditioner outdoor machine circuit board radiating device according to claim 1, it is characterised in that: described first heat radiation Between piece and heat-generating electronic elements, and/or, arrange between the front panel of the second fin and frequency-variable air conditioner outdoor machine or solar or lunar halo There is insulating heat-conductive pad.
3. frequency-variable air conditioner outdoor machine circuit board radiating device according to claim 2, it is characterised in that: described insulating heat-conductive Pad is insulating ceramics pad.
4. frequency-variable air conditioner outdoor machine circuit board radiating device according to claim 1, it is characterised in that: described convertible frequency air-conditioner For DC frequency converting air-conditioner, dc source provides direct current for described thermoelectric module, and the controller control of convertible frequency air-conditioner is described directly The output voltage of stream power supply, the output voltage of described dc source becomes positive with the voltage being applied on direct current generator or compressor Close.
5. the frequency-variable air conditioner outdoor machine circuit board radiating device according to any one of claim 1-4, it is characterised in that: described Second fin is fixed on the outside of described solar or lunar halo.
6. a frequency-variable air conditioner outdoor machine electric-controlled box, it is characterised in that: include top board, base plate and four sides side plate surround six Face body structure, described base plate is fixed with frequency-variable air conditioner outdoor machine circuit board, and described circuit board is provided with several heating electronics Element, described frequency-variable air conditioner outdoor machine electric-controlled box also includes heat abstractor, and described heat abstractor includes several thermoelectric modules, The cold end of each thermoelectric module is connected by the first fin and its corresponding heat-generating electronic elements are fixing, each thermoelectric module Hot junction by several second fin series connection after, be connected with dc source by wire, described side plate have string holes, is used for The wire connecting the second fin passes through described string holes, and described second fin is fixed on front panel or the solar or lunar halo of off-premises station On.
7. frequency-variable air conditioner outdoor machine electric-controlled box according to claim 6, it is characterised in that: described first fin and heating Between electronic component, and/or, it is provided with insulation between the front panel of the second fin and frequency-variable air conditioner outdoor machine or solar or lunar halo and lead Hot pad.
8. frequency-variable air conditioner outdoor machine electric-controlled box according to claim 7, it is characterised in that: described insulating heat-conductive pad is exhausted Edge ceramic gasket.
9. frequency-variable air conditioner outdoor machine electric-controlled box according to claim 6, it is characterised in that: described second fin is fixed on The outside of described solar or lunar halo.
CN201620529743.2U 2016-06-03 2016-06-03 A kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box Active CN205678790U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890066A (en) * 2016-06-03 2016-08-24 海信(山东)空调有限公司 Cooling device for circuit board of outdoor unit of variable frequency air conditioner and electric control box of outdoor unit of variable frequency air conditioner
CN107461845A (en) * 2017-08-01 2017-12-12 台州思特新能源科技有限公司 A kind of solar DC air-conditioning
CN112584666A (en) * 2019-09-30 2021-03-30 安徽美芝制冷设备有限公司 Variable frequency control box assembly, refrigerating system and refrigerator
CN114198857A (en) * 2021-11-17 2022-03-18 青岛海尔空调电子有限公司 Air conditioner control method and air conditioner system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890066A (en) * 2016-06-03 2016-08-24 海信(山东)空调有限公司 Cooling device for circuit board of outdoor unit of variable frequency air conditioner and electric control box of outdoor unit of variable frequency air conditioner
CN105890066B (en) * 2016-06-03 2019-07-16 海信(山东)空调有限公司 A kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box
CN107461845A (en) * 2017-08-01 2017-12-12 台州思特新能源科技有限公司 A kind of solar DC air-conditioning
CN107461845B (en) * 2017-08-01 2019-01-29 台州思特新能源科技有限公司 A kind of solar DC air-conditioning
CN112584666A (en) * 2019-09-30 2021-03-30 安徽美芝制冷设备有限公司 Variable frequency control box assembly, refrigerating system and refrigerator
CN112584666B (en) * 2019-09-30 2024-04-12 安徽美芝制冷设备有限公司 Variable frequency control box assembly, refrigerating system and refrigerator
CN114198857A (en) * 2021-11-17 2022-03-18 青岛海尔空调电子有限公司 Air conditioner control method and air conditioner system
CN114198857B (en) * 2021-11-17 2023-02-28 青岛海尔空调电子有限公司 Air conditioner control method and air conditioner system

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Address after: No.1 Haixin Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province

Patentee after: Hisense Air Conditioning Co.,Ltd.

Country or region after: China

Address before: No. 151, Zhuzhou Road, Laoshan District, Qingdao, Shandong

Patentee before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd.

Country or region before: China