CN105890066B - 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 PDFInfo
- Publication number
- CN105890066B CN105890066B CN201610385802.8A CN201610385802A CN105890066B CN 105890066 B CN105890066 B CN 105890066B CN 201610385802 A CN201610385802 A CN 201610385802A CN 105890066 B CN105890066 B CN 105890066B
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- Prior art keywords
- frequency
- air conditioner
- variable air
- conditioner outdoor
- outdoor machine
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- 238000001816 cooling Methods 0.000 claims abstract description 41
- 125000001475 halogen functional group Chemical group 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 4
- 230000005619 thermoelectricity Effects 0.000 claims description 4
- 206010037660 Pyrexia Diseases 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 210000004209 hair Anatomy 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 235000012149 noodles Nutrition 0.000 abstract description 2
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000027950 fever generation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled boxes, the frequency-variable air conditioner outdoor machine circuit board radiating device, for radiating 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 by the first cooling fin with its corresponding to heat-generating electronic elements be fixedly connected, after the hot end of each thermoelectric module is connected by several second cooling fins, it is connect by conducting wire with DC power supply, second cooling fin is fixed on the front panel or solar or lunar halo of outdoor unit.The huyashi-chuuka (cold chinese-style noodles) end gasket area occupied of the heating electronic component contact of this radiator is smaller, and thermoelectric module is increased and decreased setting with the quantity of heat-generating electronic elements, makes the more compact of board structure of circuit design；The heat of hot face end gasket is eventually by parts such as front panel, the solar or lunar halo being in contact with it, as the air of fan convection current is taken away, without adding the structures such as radiating fin, reduce the cost of radiator and occupies volume, simultaneously, heat will not increase the load of system by condenser, will not have an impact to the refrigerating capacity of original system.
Description
Technical field
The invention belongs to air-conditioning technical fields, specifically, are related to a kind of frequency-variable air conditioner outdoor machine circuit board radiating device
And electric-controlled box.
Background technique
In transducer air conditioning product, the part electronic component of board application can generate a large amount of in the process of running
Heat causes local temperature to increase, and damages circuit board.
For the reliability for guaranteeing system, on the one hand to consider to add radiator, to guarantee the temperature of circuit board reliable
In the range of；On the other hand to consider the output power of limiting circuit plate, to reduce the generation of heat, but this can sacrificial system energy
The output of power needs circuit board to export biggish power especially in worst hot case, simultaneously because environment temperature is higher, electricity
The heat dispersal situations of road plate are poor.
In existing product, common radiator is to install radiator additional below heating electronic component, radiator
On the one hand heat dissipation area can be increased by forms such as fins, improves radiating efficiency；Still further aspect is brought using outdoor fan
Cross-ventilation to radiator carry out forced heat-exchanging.
Another radiating mode for being suitable for refrigerating air conditioner in high temperature working condition product is that the refrigerant after allowing partial throttling passes through
The radiator being installed at below heating electronic component takes away heat, but this radiating mode meeting with the refrigerant of lower temperature
Refrigerating capacity is reduced, efficiency is reduced, increases the load of condenser.
Summary of the invention
The present invention is poor in order to solve existing frequency-variable air conditioner outdoor machine heat dissipation for circuit board performance, and increases the load of condenser
The problem of, a kind of frequency-variable air conditioner outdoor machine circuit board radiating device is proposed, can solve the above problem.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following scheme:
A kind of frequency-variable air conditioner outdoor machine circuit board radiating device, for for several on frequency-variable air conditioner outdoor machine circuit board
The cold end of heat-generating electronic elements heat dissipation, including several thermoelectric modules, each thermoelectric module passes through the first cooling fin and its institute
Corresponding heat-generating electronic elements are fixedly connected, after the hot end of each thermoelectric module is by the series connection of several second cooling fins, by leading
Line is connect with DC power supply, and second cooling fin is fixed on the front panel or solar or lunar halo of outdoor unit.
The present invention proposes a kind of frequency-variable air conditioner outdoor machine electric-controlled box simultaneously, including top plate and bottom plate and four sides side plate enclose
At hexahedron structure, the bottom plate is fixed with frequency-variable air conditioner outdoor machine circuit board, several hairs is provided on the circuit board
Thermoelectric elements, the frequency-variable air conditioner outdoor machine electric-controlled box further includes radiator, and the radiator includes several thermoelectricity
Cooling piece, the cold end of thermoelectric module by the first cooling fin with its corresponding to heat-generating electronic elements be fixedly connected, each thermoelectricity
After the hot end of cooling piece is connected by several second cooling fins, it is connect by conducting wire with DC power supply, is provided with line on the side plate
Hole, for connect the second cooling fin conducting wire pass through the string holes, second cooling fin be fixed on outdoor unit front panel or
On person's solar or lunar halo.
Compared with prior art, the advantages and positive effects of the present invention are: the heating electronic component of this radiator connects
The huyashi-chuuka (cold chinese-style noodles) end gasket area occupied of touching is smaller, and thermoelectric module is increased and decreased setting with the quantity of heat-generating electronic elements,
Design board structure of circuit more compact；The heat of hot face end gasket is eventually by portions such as front panel, the solar or lunar halo being in contact with it
Point, as the air of fan convection current is taken away, without adding the structures such as radiating fin, reducing the cost of radiator and occupying body
Product, meanwhile, heat will not increase the load of system by condenser, will not have an impact to the refrigerating capacity of original system.
After the detailed description of embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more
Add clear.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of example structure signal of frequency-variable air conditioner outdoor machine circuit board radiating device proposed by the invention
Figure；
Fig. 2 is the hot end mounting structure schematic diagram of frequency-variable air conditioner outdoor machine circuit board radiating device proposed by the invention；
Fig. 3 is a kind of example structure schematic diagram of electric-controlled box proposed by the invention.
Specific embodiment
Due to being mainly electronic component fever generation heat on circuit board, and since outdoor electromechanical control box is by outdoor unit
Construction is limited, and space is smaller in electric-controlled box, is unfavorable for radiating, and current radiating mode is by opening larger area on electric-controlled box
Thermovent perhaps the output power of limiting circuit plate or the refrigerant after partial throttling is allowed to cool down, opened in electric-controlled box scattered
The mode of hot mouth is unfavorable for water proof and dust proof, is under severe outdoor environment particularly with outdoor unit, shortens the use of circuit board
Service life, and other radiating modes perhaps sacrifice air conditioner refrigerating ability or increase the load of condenser, are unfavorable for air conditioning function,
Based on this, the invention proposes a kind of frequency-variable air conditioner outdoor machine circuit board radiating devices, using the principle of thermoelectric cooling to circuit
Heat-generating electronic elements on plate radiate, and the metal structures such as front panel or solar or lunar halo for taking full advantage of outdoor unit, auxiliary
It helps the hot end of thermoelectric module to radiate, neither increase additional configurations, reduces the occupancy to space and reduce cost.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one, the present embodiment propose a kind of frequency-variable air conditioner outdoor machine circuit board radiating device, as shown in Figure 1, packet
Several thermoelectric modules 11 are included, the cold end of each thermoelectric module 11 passes through the first cooling fin 12 and the fever electronics corresponding to it
Element 13 is fixedly connected, and after the hot end of each thermoelectric module 11 is by the series connection of several second cooling fins 14, passes through conducting wire and direct current
Power supply connection, the second cooling fin 14 are fixed on the front panel or solar or lunar halo of outdoor unit.This radiator passes through setting thermoelectricity system
Cold 11 quantity is consistent with heat-generating electronic elements, radiates respectively for each heat-generating electronic elements, is conducive to radiating efficiency,
And the metal structures such as front panel or solar or lunar halo for taking full advantage of outdoor unit, assist the hot end of thermoelectric module to radiate,
Neither increase additional configurations, reduce the occupancy to space and reduces cost.Since heat is the other end by thermoelectric module
Shed, without considering the heat dissipation performance of electric-controlled box side, therefore electric-controlled box can according to need and be made into closed structure, have it is dust-proof,
Waterproof effect improves the reliability of circuit board, without being in addition arranged dust-proof, waterproof construction, reduces the complexity of Denso box structure,
Heat sheds eventually by the part such as front panel, solar or lunar halo contacted with the second cooling fin 14, is taken away by the air of fan convection current,
Therefore the hot-side temperature of thermoelectric module 11 is lower, and the efficiency of thermoelectric cooling can be improved；Meanwhile heat will not pass through condensation
Device will not have an impact the refrigerating capacity of original system.
The quantity of thermoelectric module 11 is consistent with heat-generating electronic elements, according to the distribution situation of component on circuit boards,
The cold end of thermoelectric module 11 can dispersed placement, flexibility be good therewith.
In order to improve the insulation performance between the metal structure or circuit board that thermoelectric module 11 is in contact with it, prevent out
Existing short circuit phenomenon, between the first cooling fin 12 and heat-generating electronic elements 13, and/or, outside the second cooling fin 14 and convertible frequency air-conditioner room
It is provided with insulating heat-conductive gasket 15 between the front panel or solar or lunar halo of machine, insulating heat-conductive gasket 15 can use in the present embodiment
Insulating ceramics gasket is realized, while having good heating conduction to reduce thermal resistance while gasket material insulation.
Radiator is particularly suitable for DC frequency converting air-conditioner, and DC power supply is that several described thermoelectric modules are composed in series
Series circuit direct current is provided, the controller of convertible frequency air-conditioner controls the output voltage of the DC power supply, the DC power supply
Output voltage be positively correlated with the voltage being applied on direct current generator or compressor.Heat dissipation capacity becomes with the heat that circuit board generates
Change and be adjusted, the temperature of holding circuit plate is in a reasonable range；And even if under worst hot case, without being thought of as
Guarantee the temperature of circuit board and limit the output of power, guarantees the refrigerating capacity of system.
As shown in Fig. 2, can use air conditioner room outdoor fan and bring it is preferred that the second cooling fin 14 is fixed on solar or lunar halo 16
Air flowing reinforce heat exchange, the second cooling fin 14 is fixed on to the outside of the solar or lunar halo 16, in order to avoid influence empty in the present embodiment
Flow of air causes noise problem；As needed, it 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 are made into wire form, such as the semiconductor lead 17 in Fig. 2, are fixed on outdoor unit front panel 18.
Embodiment two, the present embodiment propose a kind of frequency-variable air conditioner outdoor machine electric-controlled box, as shown in figure 3, include top plate 21,
The hexahedron structure that bottom plate 22 and four sides side plate 23 surround, bottom plate 22 are fixed with frequency-variable air conditioner outdoor machine circuit board (in Fig. 3
It is not shown), several heat-generating electronic elements are provided on circuit board, the frequency-variable air conditioner outdoor machine electric-controlled box further includes heat dissipation dress
It sets, as shown in Figure 1 and Figure 2, the radiator includes several thermoelectric modules 11, and the cold end of each thermoelectric module 11 passes through
First cooling fin 12 with its corresponding to heat-generating electronic elements 13 be fixedly connected, the hot end of each thermoelectric module 11 by several
It after the series connection of two cooling fins 14, is connect by conducting wire with DC power supply, string holes 24 is provided on side plate 23, for connecting the second cooling fin
14 conducting wire passes through string holes 24, and the second cooling fin 14 is fixed on the front panel or solar or lunar halo of outdoor unit.Only need to be on electric-controlled box
Stay string holes 24 across conducting wire, there is dust-proof, waterproof effect, improve the reliability of circuit board, without be in addition arranged it is dust-proof,
Waterproof construction.
The cold end of each thermoelectric module 11 passes through the first cooling fin 12 and the fixed company of the heat-generating electronic elements 13 corresponding to it
It connects, fixed form can be bonded using glue, or as shown in figure 3, corresponding with the first cooling fin 12 on electric-controlled box surface
Position at be provided with bolt hole 25, by screw in screw, the first cooling fin 12 is fixed with corresponding heat-generating electronic elements,
It is reliable and stable, prevent off-line, while the insulation performance of the first cooling fin 12 can play and prevent semiconductor lead from influencing electronics member
The effect of part work.
The radiator of the present embodiment includes the other structures feature of embodiment one kind, reference can be made to recorded in embodiment one,
This will not be repeated here.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made within the essential scope of the present invention, also should belong to this hair
Bright protection scope.
Claims (7)
1. a kind of frequency-variable air conditioner outdoor machine circuit board radiating device, for for several hairs on frequency-variable air conditioner outdoor machine circuit board
Thermoelectric elements heat dissipation, it is characterised in that: including several thermoelectric modules, the cold end of each thermoelectric module passes through the first heat dissipation
Piece with its corresponding to heat-generating electronic elements be fixedly connected, the hot end of each thermoelectric module is connected by several the second cooling fins
Afterwards, it is connect by conducting wire with DC power supply, second cooling fin is fixed on the front panel or solar or lunar halo of outdoor unit, the room
The front panel or solar or lunar halo of outer machine are metal material, and second cooling fin is fixed on the outside of the solar or lunar halo, the thermoelectricity system
Cold includes N-type semiconductor and P-type semiconductor, and N-type semiconductor and P-type semiconductor are wire form.
2. frequency-variable air conditioner outdoor machine circuit board radiating device according to claim 1, it is characterised in that: first heat dissipation
Between piece and heat-generating electronic elements, and/or, it is arranged between the second cooling fin and the front panel or solar or lunar halo of frequency-variable air conditioner outdoor machine
There is insulating heat-conductive gasket.
3. frequency-variable air conditioner outdoor machine circuit board radiating device according to claim 2, it is characterised in that: the insulating heat-conductive
Gasket is insulating ceramics gasket.
4. frequency-variable air conditioner outdoor machine circuit board radiating device according to claim 1, it is characterised in that: the convertible frequency air-conditioner
For DC frequency converting air-conditioner, DC power supply provides direct current for the thermoelectric module, and the controller control of convertible frequency air-conditioner is described straight
The output voltage in galvanic electricity source, the output voltage of the DC power supply and the voltage being applied on direct current generator or compressor are at positive
It closes.
5. a kind of frequency-variable air conditioner outdoor machine electric-controlled box, it is characterised in that: six surrounded including top plate and bottom plate and four sides side plate
Face body structure, the bottom plate are fixed with frequency-variable air conditioner outdoor machine circuit board, several fever electronics are provided on the circuit board
Element, the frequency-variable air conditioner outdoor machine electric-controlled box further includes radiator, and the radiator includes several thermoelectric modules,
The cold end of each thermoelectric module by the first cooling fin with its corresponding to heat-generating electronic elements be fixedly connected, each thermoelectric module
Hot end by several second cooling fins series connection after, connect by conducting wire with DC power supply, be provided with string holes on the side plate, be used for
The conducting wire for connecting the second cooling fin passes through the string holes, and second cooling fin is fixed on the front panel or solar or lunar halo of outdoor unit
On, the front panel or solar or lunar halo of the outdoor unit are metal material, and second cooling fin is fixed on the outside of the solar or lunar halo, institute
Stating thermoelectric module includes N-type semiconductor and P-type semiconductor, and N-type semiconductor and P-type semiconductor are wire form.
6. frequency-variable air conditioner outdoor machine electric-controlled box according to claim 5, it is characterised in that: first cooling fin and fever
Between electronic component, and/or, insulation, which is provided with, between the second cooling fin and the front panel or solar or lunar halo of frequency-variable air conditioner outdoor machine leads
Heat pad piece.
7. frequency-variable air conditioner outdoor machine electric-controlled box according to claim 6, it is characterised in that: the insulating heat-conductive gasket is exhausted
Edge ceramic gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385802.8A CN105890066B (en) | 2016-06-03 | 2016-06-03 | A kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box |
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|---|---|---|---|
| CN201610385802.8A CN105890066B (en) | 2016-06-03 | 2016-06-03 | A kind of frequency-variable air conditioner outdoor machine circuit board radiating device and electric-controlled box |
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| CN105890066A CN105890066A (en) | 2016-08-24 |
| CN105890066B true CN105890066B (en) | 2019-07-16 |
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| CN108227350B (en) * | 2016-12-14 | 2021-06-08 | 台达电子工业股份有限公司 | Digital miniature reflective projector |
| CN107289545B (en) * | 2017-07-14 | 2023-08-25 | 珠海格力电器股份有限公司 | Radiator, air conditioner outdoor unit and air conditioner |
| CN110848819A (en) * | 2018-08-21 | 2020-02-28 | 广东美的制冷设备有限公司 | Inductance assembly, electric control assembly and air conditioner |
| CN110736155B (en) * | 2019-09-30 | 2022-06-14 | 重庆海尔空调器有限公司 | Outdoor machine of air conditioner |
| CN110996491B (en) * | 2019-12-12 | 2021-03-23 | 维沃移动通信有限公司 | Circuit board device and electronic equipment |
| CN113115531B (en) * | 2020-01-09 | 2024-06-28 | 宁波奥克斯电气股份有限公司 | Electric control box and air conditioner with same |
| CN111442439A (en) * | 2020-03-20 | 2020-07-24 | 海信（山东）空调有限公司 | Variable frequency air conditioning system |
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| JPH06209179A (en) * | 1993-01-08 | 1994-07-26 | Mitsubishi Electric Corp | Electronic machinery using thermoelectric cooling element |
| CN202018102U (en) * | 2011-04-22 | 2011-10-26 | 王增福 | Semi-conductor heating and cooling air conditioner |
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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 |