CN203136332U - PCB assembly and air conditioner outdoor unit possessing the PCB assembly - Google Patents
PCB assembly and air conditioner outdoor unit possessing the PCB assembly Download PDFInfo
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- CN203136332U CN203136332U CN 201320084153 CN201320084153U CN203136332U CN 203136332 U CN203136332 U CN 203136332U CN 201320084153 CN201320084153 CN 201320084153 CN 201320084153 U CN201320084153 U CN 201320084153U CN 203136332 U CN203136332 U CN 203136332U
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Abstract
The utility model discloses a PCB (Printed Circuit Board) assembly and an air conditioner outdoor unit possessing the PCB assembly, wherein the PCB assembly comprises a PCB, a fixing sheet assembly a heating element; the fixing sheet assembly is arranged on an upper surface of the PCB and is a metal piece; the heating element is fixed to an upper surface of the fixing sheet assembly. According to the utility model, the PCB assembly is provided with the fixing sheet assembly prepared by metal; meanwhile the heating element is directly arranged on the fixing sheet assembly; accordingly, heat generated by the heating element in operation can be partially transmitted to the PCB through the fixing sheet assembly and is emitted by the PCB so as to raise cooling effects of the heating element, which is helpful for reducing temperature of the heating element in operation and avoids damage caused by excess temperature of the heating element; in addition, the fixing sheet assembly prepared by metal can substantially raise fixing mounting intensity of the heating element.
Description
Technical field
The utility model relates to air-conditioning structure field, in particular to a kind of pcb board assembly and have its air-conditioner outdoor unit.
Background technology
Pcb board (the Printed Circuit Board of the automatically controlled box of tradition air-conditioner outdoor unit, printed circuit board), can be provided with a plurality of heater elements on it, for example IPM module, diode, IGBT module or rectifier bridge etc., these heat generating components are fixed on the pcb board by the plastic buckle structure.Owing to can produce a large amount of heat during these heater element work, temperature drift when therefore causing these heater element work damage easily, and the thermal resistance of plastic buckle is bigger, can influence shedding of heat to a certain extent.In addition, by wave-soldering mode fixed plastics buckle the time, can cause plastic buckle to melt, bring impurity thereby give in the scolder easily when carrying out wave-soldering technology, efficiency of assembling is low, poor practicability.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.
For this reason, a purpose of the present utility model is to propose a kind of pcb board assembly, this pcb board assembly has metal for the fixing stator assembly of heater element, thereby can improve the radiating effect of heater element, temperature is too high when avoiding heat dissipation element work, reduces the failure rate of heater element.
Another purpose of the present utility model is to propose a kind of air-conditioner outdoor unit, and this air-conditioner outdoor unit has above-mentioned pcb board assembly.
According to an aspect of the present utility model, a kind of pcb board assembly has been proposed, comprising: pcb board; The stator assembly, described stator assembly is located at the upper surface of described pcb board, and described stator assembly is metalwork; Heater element, described heater element is located at the upper surface of described stator assembly.
According to pcb board assembly of the present utility model, by metal stator assembly is set, heater element is set directly on the stator assembly simultaneously, the heat that produces when heater element is worked so just can partly pass through the stator component passes to pcb board, and shed by pcb board, thereby improved the cooling effect of heater element, temperature when helping to reduce heater element work, avoid temperature of heating elements too high and damage, and, adopt metal stator assembly can also improve fixed installation intensity to heater element greatly.
In addition, according to pcb board assembly of the present utility model, can also have following additional technical feature:
According to an embodiment of the present utility model, described pcb board assembly also comprises radiator, and described radiator is located at the upper surface of described heater element.
By radiator is set, can further improve the radiating effect of heater element, specifically, a heat part that produces during heater element work can shed by radiator, another one then can shed by stator assembly and pcb board, thereby the heat that produces when making heater element work according to the pcb board assembly of an embodiment of the utility model can be fast, in time shed, in the working temperature interval that the pcb board assembly is in be suitable for, increase work efficiency, reduced failure rate and cost simultaneously, practical function is good.
According to an embodiment of the present utility model, described stator assembly comprises:
Substrate, described substrate are located at the upper surface of described pcb board and the lower surface of described substrate and the upper surface of described pcb board and are close to; And
Supporting spring, described supporting spring link to each other with described substrate and the lower surface of described supporting spring and the upper surface interval preset distance of described pcb board, and wherein said heater element is fixed on the described supporting spring.
Adopt this design, can make heater element have certain adjusting surplus at above-below direction, with installing and fixing of the heater element that adapts to different size, Different Weight and supporting spring, be conducive to improve installation effectiveness.
According to an embodiment of the present utility model, described pcb board assembly also comprises set bolt, and described set bolt is fixed on the described pcb board after passing described radiator, described heater element and described supporting spring successively.
According to an embodiment of the present utility model, described substrate is provided with described substrate is fixed on metal welding pin on the described pcb board by wave-soldering.
Thus, improved the overall fixed intensity of stator assembly, heater element and radiator and pcb board on the one hand, on the other hand, tin liquor can be filled between metal welding pin and the corresponding hole in the wave-soldering process, the heat of stator assembly just can directly be passed on the pcb board by metal welding pin, metallic tin (metallic tin of welding procedure after coagulation) like this, thereby increases the radiating effect of heater element.
According to an embodiment of the present utility model, described metal welding pin runs through described pcb board assembly and at least part of lower surface from described pcb board exposes.
According to an embodiment of the present utility model, described heater element is provided with the fixed via that the thickness direction at heater element connects it and is suitable for cooperating with described set bolt.
According to an embodiment of the present utility model, described heater element is that the outer peripheral face of tabular and described heater element is provided with and is suitable for the limit notch that cooperates with described set bolt.
According to an embodiment of the present utility model, described supporting spring links to each other with described substrate elasticity.What elasticity link to each other to refer to can swing on above-below direction with respect to substrate by a small margin to supporting spring
According to an embodiment of the present utility model, part described supporting spring, that link to each other with described substrate narrows.
According to an embodiment of the present utility model, the thickness of described supporting spring equates with the thickness of described brace, and the thickness of described supporting spring is less than the thickness of described substrate.
According to an embodiment of the present utility model, described stator assembly is sheet metal component.
According on the other hand of the present utility model, a kind of air-conditioner outdoor unit has been proposed, comprising: outdoor shell has chamber in the described outdoor shell; Compressor, described compressor are located in the described chamber; Blower fan, described blower fan are located in the described chamber; Dividing plate, described dividing plate are located in the described chamber and with described chamber isolation and become compressor chamber and blower fan chamber, and wherein said compressor is positioned at the indoor and described blower fan of described compressor chamber and is positioned at described blower fan chamber; Electric-controlled box, described electric-controlled box is located at the upper end of described dividing plate and comprises the electric-controlled box housing and be arranged on the interior pcb board assembly of described electric-controlled box housing, be formed with the air inlet that is communicated with described compressor chamber and the air outlet that is communicated with described blower fan chamber on the described electric-controlled box housing, wherein said pcb board assembly is the pcb board assembly above-mentioned according to the utility model.
According to an embodiment of the present utility model, described pcb board assembly comprises radiator, described radiator is located at the upper surface of described heater element, the described stator assembly of described pcb board assembly comprises: substrate, described substrate are located at the upper surface of described pcb board and the lower surface of described substrate and the upper surface of described pcb board and are close to; And supporting spring, described supporting spring links to each other with described substrate and the lower surface of described supporting spring and the upper surface interval preset distance of described pcb board, wherein said heater element is fixed on the described supporting spring, wherein the air that enters described electric-controlled box from the described air inlet gap between described pcb board, described stator assembly and described pcb board and the described supporting spring of flowing through.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the explosive view according to the pcb board assembly of an embodiment of the utility model;
Fig. 2 is the stereogram according to the pcb board assembly of an embodiment of the utility model;
Fig. 3 is the front view according to the pcb board assembly of an embodiment of the utility model;
Fig. 4 is along the cutaway view of A-A among Fig. 3;
Fig. 5 is along the cutaway view of B-B among Fig. 3;
Fig. 6 is along the cutaway view of C-C among Fig. 3;
Fig. 7 is the schematic diagram according to the air-conditioner outdoor unit of an embodiment of the utility model.
Description of reference numerals:
1000: air-conditioner outdoor unit;
The 100:PCB board component;
200: outdoor shell; 210: chamber; 2110: compressor chamber; 2120: the blower fan chamber;
300: compressor;
400: blower fan;
500: dividing plate;
600: electric-controlled box; 610: the electric-controlled box housing; 6110: air inlet; 6120: air outlet;
The 1:PCB plate;
2: the stator assembly; 21: substrate; 211: welding foot; 22: supporting spring;
3: heater element; 31: fixed via; 32: limit notch; 33: pin; 34: heating module;
4: radiator; 41: radiator base plate; 42: fin;
5: set bolt.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", close the orientation of indications such as " counterclockwise " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand the concrete implication of above-mentioned term in the utility model as the case may be.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, first feature second feature it " on " or D score can comprise that first and second features directly contact, can comprise that also first and second features are not directly contacts but by the contact of the additional features between them.And, first feature second feature " on ", " top " and " above " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is higher than second feature.First feature second feature " under ", " below " and " below " comprise first feature under second feature and tiltedly, or only represent that the first characteristic level height is less than second feature.
Below with reference to the pcb board assembly 100 of Fig. 1-Fig. 7 description according to the utility model embodiment, be applicable to the electric-controlled box 600 of air-conditioner outdoor unit 1000.
As Fig. 1, Fig. 2 and shown in Figure 6, wherein stator assembly 2 is located at the upper surface of pcb board assembly 100, stator assembly 2 is metalwork, in other words, stator assembly 2 is made of metal, for example stator assembly 2 can be sheet metal component, and perhaps stator assembly 2 can be made by heat conductivility good metal such as copper, iron, aluminium or silver and alloy thereof.
In an embodiment of the present utility model, the upper surface of heater element 3 is main heating face, its lower surface is auxiliary heating face, that is to say, auxiliary heating face is that lower surface is set directly on the stator assembly 2, so that a part of heat that produces during heater element 3 work can be passed to pcb board 1 better from metal stator assembly 2 and shed, improve the radiating effect of heater element 3.
Certainly, be understandable that, for the pcb board assembly 100 that is applied on different field, the distinct device, its heater element 3 can with above-mentioned IPM module, diode, IGBT module and rectifier bridge be identical or part is identical or different fully, this all is to understand easily for the those skilled in the art.Above-mentioned is that IPM module, diode, IGBT module and rectifier bridge only are schematically to illustrate with heater element 3, can not be interpreted as a kind of restriction of the present utility model.
Like this, heater element 3 is set directly on the stator assembly 2 that is made of metal, being conducive to stator assembly 2 will be that the heat that lower surface sheds is passed to pcb board 1 from the auxiliary heating face of heater element 3, pcb board 1 can be copper circuit board, its surface area is bigger, heat dispersion is good, be equivalent to increase the area of dissipation of heater element 2 like this, be beneficial to and improve heat transfer efficiency so that the heat that stator assembly 2 can come heater element 3 transmission is passed to pcb board 1 directly, in time and sheds, temperature is unsuitable too high when guaranteeing heater element 3 work.
In addition, according to the pcb board assembly 100 of the utility model embodiment, be specially adapted to the electric-controlled box 600 of frequency-change air conditioner outdoor machine 1000, certainly suitable equally for other equipment of heater element 3 with big caloric value.
As Fig. 1-shown in Figure 6, pcb board assembly 100 also comprises radiator 4, and the upper surface that radiator 4 is located at heater element 3 is that radiator 4 is arranged on the main radiating surface of heater element 3, can improve the radiating effect of heater element 3 so greatly.For example, in an embodiment of the present utility model, radiator 4 can comprise radiator base plate 41 and fin 42, and radiator base plate 41 can be a slab construction and contacts in order to form the face face with the upper surface of heater element 3, increase the contact area of the two, be beneficial to the heat radiation of heater element 3.Fin 42 can vertically be arranged on the upper surface of radiator base plate 41, and fin 42 can be many groups, and these many group fin 42 can be arranged in parallel with the radiating effect of further increase heater element 3.
By radiator 4 is set, can further improve the radiating effect of heater element 3, specifically, a heat part that produces during heater element 3 work can shed by radiator 4, another one then can shed by stator assembly 2 and pcb board 1, thereby the heat that produces when making heater element 3 work according to the pcb board assembly 100 of an embodiment of the utility model can be fast, in time shed, in the working temperature interval that pcb board assembly 100 is in be suitable for, increase work efficiency, reduced failure rate and cost simultaneously, practical function is good.
In an embodiment of the present utility model, stator assembly 2 comprises substrate 21 and supporting spring 22.As Fig. 1-Fig. 2, Fig. 4-shown in Figure 6, substrate 21 is located at the upper surface of pcb board 1 and the lower surface of substrate 21 and the upper surface of pcb board 1 and is close to, here " being close to " can be understood as between pcb board 1 and the substrate 21 does not have the slit, fit tightly, can improve heat transfer efficiency like this, the heat that makes heater element 3 be passed to the substrate 21 of stator assembly 2 can be passed to pcb board 1 better and be shed by pcb board 1.
Supporting spring 22 links to each other with substrate 21 and the lower surface of supporting spring 22 and the upper surface interval preset distance of pcb board 1, and wherein heater element 3 is fixed on the supporting spring 22.Adopt this design, can make heater element 3 have certain adjusting surplus at above-below direction, with installing and fixing of the heater element 3 that adapts to different size, Different Weight and supporting spring 22, be conducive to improve installation effectiveness.
Particularly, with reference to shown in Figure 1, the thickness direction that heater element 3 is provided with at heater element 3 is the fixed via 31 that above-below direction connects it and is suitable for cooperating with set bolt 5, this fixed via 31 can be manhole, set bolt 5 can pass the radiator base plate 41 of radiator 4 earlier, pass this fixed via 31 and supporting spring 22 then like this, the free end of last set bolt 5 can link to each other with pcb board 1 screw thread, realizes fixing.
For another example, with reference to shown in Figure 1, heater element 3 can be tabular, for example be that general rectangular is tabular, the outer peripheral face of heater element 3 is provided with and is suitable for the limit notch 32 that cooperates with set bolt 5, and the horizontal cross-section of this limit notch 32 can be semicircle, perhaps be one to have the circle of breach, set bolt 5 passes the radiator base plate 41 of radiator 4 earlier, passes this limit notch 32 and supporting spring 22 then like this, and the free end of last set bolt 5 can link to each other with pcb board 1 screw thread, realizes fixing.
Further, this limit notch 32 can be two and these two limit notch 32 and is symmetrical arranged at heater element 3, need to prove, this moment, set bolt 5 ran through heater element 3 from both sides, in order to pass through the spacing of set bolt 5, realize the fixation to heater element 3.Certainly, be understandable that limit notch 32 also can be more.
In order further to improve the constant intensity of radiator 4, heater element 3, in a preferred embodiment of the present utility model, also be provided with on the substrate 21 substrate 21 is fixed on welding foot 211 on the pcb board 1 by wave-soldering.Specifically, offer porosely on the pcb board 1 in advance, the lower surface of substrate 21 is provided with metal welding pin 211, and the free end of this metal welding pin 211 passes the hole on the pcb board 1, by wave-soldering metal welding pin 211 and corresponding hole is fixed then.Certainly, be understandable that substrate 21 also can be fastened on the pcb board by bolt or screw.
Thus, improved stator assembly 2, heater element 3 and the radiator 4 overall fixed intensity with pcb board 1 on the one hand, on the other hand, tin liquor can be filled between metal welding pin 211 and the corresponding hole in the wave-soldering process, the heat of stator assembly 2 just can directly be passed on the pcb board 1 by metal welding pin 211, metallic tin (metallic tin of welding procedure after coagulation) like this, thereby increases the radiating effect of heater element 3.
Further this, metal welding pin 211 runs through pcb board assembly 100 and at least part of lower surface from pcb board 1 exposes.So not only can further improve the constant intensity between stator assembly 2, heater element 3 and radiator 4 and the pcb board 1, simultaneously tin liquor also can be formed on better metal welding pin 211 outstanding PCB lower surfaces ledge around, increase the area of dissipation that contacts with pcb board 1, further improved the radiating effect of heater element 3.
Need to prove that wave-soldering has been prior art, and is known by the those skilled in the art, is not described in detail for succinct purpose here.
In an embodiment of the present utility model, supporting spring 22 links to each other with substrate 21 elasticity.Here, need to prove that can be understood as supporting spring 22 " elasticity links to each other " at this place can swing by a small margin on above-below direction with respect to substrate 21.Like this, can make heater element 3 have certain adjusting surplus at above-below direction, with installing and fixing of the heater element 3 that adapts to different size, Different Weight preferably and supporting spring 22.
For example, in an embodiment of the present utility model, part supporting spring 22, that link to each other with substrate 21 narrows (part that is label 23 indications among Fig. 1), in other words, the size of the coupling part between supporting spring 22 and the substrate 21 is less than the size of supporting spring 22, can increase the elasticity of supporting spring 22 like this, increase the scope of the adjusting surplus of heater element 3 to a certain extent, with installing and fixing of the heater element 3 that adapts to different size, Different Weight better and supporting spring 22.
In an embodiment of the present utility model, the thickness of supporting spring 22 equates with the thickness that narrows part (being 23 among Fig. 1), and the thickness of supporting spring 22 is less than the thickness of substrate 21.Made things convenient for supporting spring 22 so on the one hand, narrowed whole processing and manufacturing partly, made also that on the other hand supporting spring 22 has better elastic with respect to substrate 21.Preferably, supporting spring 22, narrow part and substrate 21 integrally formed, can be simplified to fix the manufacturing process of chip module 2 like this, make things convenient for production and processing, reduce cost, also help the bulk strength that improves stator assembly 2 simultaneously, reduce the damage probability of stator assembly 2.
According to an embodiment of the present utility model, as shown in Figure 1, the substrate 21 of stator assembly 2 can form a tabular.Perhaps, substrate 21 also can form the frame shape of U-shaped substantially, can be arranged side by side three supporting springs 22 on this U-shaped substrate 21, and each all can be provided with a heater element 3 above the supporting spring 22.Certainly, be understandable that, for a person skilled in the art, on the basis of having read specification content disclosed herein, the supporting spring 22 according to an embodiment of the utility model can be processed into required shape, for example tabular, frame shape or other shape, and on each substrate 21 one or more supporting springs 22 can be set as required, be understandable that in this embodiment, supporting spring 22 can be one to one with heater element 3.Certainly, the utility model is not limited thereto, and in other embodiment of the present utility model, a plurality of supporting springs 22 also can be used for installing and fixing a heater element 3, for example fix a heater element 3 by two supporting springs 22.
In general, according to the pcb board assembly 100 of an embodiment of the utility model, can improve the radiating effect of heater element 3 greatly, fully reduce the working temperature of heater element 3, simultaneously easy to assembly, fixed, practicality is good and the scope of application is extensive.
Below with reference to the air-conditioner outdoor unit 1000 of Fig. 7 description according to the utility model embodiment.
According to the air-conditioner outdoor unit 1000 of an embodiment of the utility model, comprise outdoor shell 200, compressor 300, blower fan 400, dividing plate 500 and electric-controlled box 600.
As shown in Figure 7, outdoor shell 200 can form rectangular shape, and it can be fixed on the outdoor metope by support, has chamber 210 in the outdoor shell 200.Compressor 300 and blower fan 400 all are located in the chamber 210.Dividing plate 500 is located in the chamber 210 and with chamber 210 and is isolated into compressor chamber 2110 and blower fan chamber 2120, for example dividing plate 500 can be arranged in the chamber 210 vertically, diapire and the upper end of chamber 210 can be close in its lower end can be spaced apart with the roof of chamber 210, and wherein compressor 300 is positioned at compressor chamber 2110 and blower fan 400 is positioned at blower fan chamber 2120.
Electric-controlled box 600 is located at the upper end of dividing plate 500 and comprises electric-controlled box housing 610 and the pcb board assembly 100 that is arranged in the electric-controlled box housing 610, and wherein this pcb board assembly 100 is according to the pcb board assembly of describing in the utility model above-described embodiment 100.Be formed with the air inlet 6110 that is communicated with compressor chamber 2110 and the air outlet 6120 that is communicated with blower fan chamber 2120 on the electric-controlled box housing 610.
Owing to be provided with blower fan 400 in the blower fan chamber 2120, can form negative pressure during blower fan 400 work, thereby make blower fan chamber 2120 interior air pressure be lower than the air pressure in the compressor chamber 2110, under action of pressure, air can enter in the electric-controlled box 600 by air inlet 6110 in compressor chamber 2110, flow through pcb board 1, stator assembly 2 and heater element 3, and the heat that produces during with heater element 3 work takes away, and flows into blower fan chambers 2120 from air outlet 6120 at last.
According to an embodiment of the present utility model, pcb board assembly 100 comprises radiator 4, and radiator 4 is located at the upper surface of heater element 3.Stator assembly 2 comprises: substrate 21 and supporting spring 22, substrate 21 are located at the upper surface of pcb board 1 and the lower surface of substrate 21 and the upper surface of pcb board 1 and are close to.Supporting spring 22 links to each other with substrate 21 and the lower surface of supporting spring 22 and the upper surface interval preset distance of pcb board 1, wherein heater element 3 is fixed on the supporting spring 22, wherein enters flow through gap between pcb board 1, stator assembly 2 and pcb board 1 and the supporting spring 22 of air in the electric-controlled box 600 from air inlet 6110.
In other words, the relatively low air of temperature in the compressor chamber 2110 can enter in the electric-controlled box housing 610 from air inlet 6110, this part air pcb board 1 of flowing through on the one hand, the heat that produces when taking away pcb board 1 work, this part air stator assembly 2 of also can flowing through on the other hand, the heat that makes heater element 3 pass to stator assembly 2 can distribute in air better, again on the one hand, this part air can flow through from the gap between supporting spring 22 and the pcb board 1, thereby take away the heat of supporting spring 22 more fully, improve the cooling effect to heater element 3 to greatest extent, avoid heater element 3 working temperatures too high and damage, improve the useful life of heater element 3.
Being understandable that, all is known according to other configuration example of the air-conditioner outdoor unit 1000 of the utility model embodiment for the those skilled in the art as evaporator etc. and operation, describes in detail no longer one by one here.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (14)
1. a pcb board assembly is characterized in that, comprising:
Pcb board;
The stator assembly, described stator assembly is located at the upper surface of described pcb board, and described stator assembly is metalwork; With
Heater element, described heater element is located at the upper surface of described stator assembly.
2. pcb board assembly according to claim 1 is characterized in that, described pcb board assembly also comprises radiator, and described radiator is located at the upper surface of described heater element.
3. according to the described pcb board assembly of claim 2, it is characterized in that described stator assembly comprises:
Substrate, described substrate are located at the upper surface of described pcb board and the lower surface of described substrate and the upper surface of described pcb board and are close to; And
Supporting spring, described supporting spring link to each other with described substrate and the lower surface of described supporting spring and the upper surface interval preset distance of described pcb board, and wherein said heater element is fixed on the described supporting spring.
4. pcb board assembly according to claim 3 is characterized in that, described pcb board assembly also comprises set bolt, and described set bolt is fixed on the described pcb board after passing described radiator, described heater element and described supporting spring successively.
5. pcb board assembly according to claim 4 is characterized in that, described substrate is provided with described substrate is fixed on metal welding pin on the described pcb board by wave-soldering.
6. pcb board assembly according to claim 5 is characterized in that, described metal welding pin runs through described pcb board assembly and at least part of lower surface from described pcb board exposes.
7. pcb board assembly according to claim 4 is characterized in that, described heater element is provided with the fixed via that the thickness direction at heater element connects it and is suitable for cooperating with described set bolt.
8. pcb board assembly according to claim 4 is characterized in that, described heater element is that the outer peripheral face of tabular and described heater element is provided with and is suitable for the limit notch that cooperates with described set bolt.
9. pcb board assembly according to claim 4 is characterized in that, described supporting spring links to each other with described substrate elasticity.
10. pcb board assembly according to claim 9 is characterized in that, part described supporting spring, that link to each other with described substrate narrows.
11. pcb board assembly according to claim 10 is characterized in that, the thickness of described supporting spring equates with the described thickness that narrows part, and the thickness of described supporting spring is less than the thickness of described substrate.
12. according to each described pcb board assembly among the claim 1-11, it is characterized in that described stator assembly is sheet metal component.
13. an air-conditioner outdoor unit is characterized in that, comprising:
Outdoor shell has chamber in the described outdoor shell;
Compressor, described compressor are located in the described chamber;
Blower fan, described blower fan are located in the described chamber;
Dividing plate, described dividing plate are located in the described chamber and with described chamber isolation and become compressor chamber and blower fan chamber, and wherein said compressor is positioned at the indoor and described blower fan of described compressor chamber and is positioned at described blower fan chamber;
Electric-controlled box, described electric-controlled box is located at the upper end of described dividing plate and comprises the electric-controlled box housing and be arranged on the interior pcb board assembly of described electric-controlled box housing, be formed with the air inlet that is communicated with described compressor chamber and the air outlet that is communicated with described blower fan chamber on the described electric-controlled box housing, wherein said pcb board assembly is according to each described pcb board assembly among the claim 1-12.
14. air-conditioner outdoor unit according to claim 13 is characterized in that,
Described pcb board assembly comprises radiator, and described radiator is located at the upper surface of described heater element,
The described stator assembly of described pcb board assembly comprises:
Substrate, described substrate are located at the upper surface of described pcb board and the lower surface of described substrate and the upper surface of described pcb board and are close to; And
Supporting spring, described supporting spring links to each other with described substrate and the lower surface of described supporting spring and the upper surface interval preset distance of described pcb board, wherein said heater element is fixed on the described supporting spring, wherein the air that enters described electric-controlled box from the described air inlet gap between described pcb board, described stator assembly and described pcb board and the described supporting spring of flowing through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201320084153 CN203136332U (en) | 2013-02-22 | 2013-02-22 | PCB assembly and air conditioner outdoor unit possessing the PCB assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084153 CN203136332U (en) | 2013-02-22 | 2013-02-22 | PCB assembly and air conditioner outdoor unit possessing the PCB assembly |
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| CN203136332U true CN203136332U (en) | 2013-08-14 |
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| CN 201320084153 Expired - Lifetime CN203136332U (en) | 2013-02-22 | 2013-02-22 | PCB assembly and air conditioner outdoor unit possessing the PCB assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912927A (en) * | 2014-03-25 | 2014-07-09 | 珠海格力电器股份有限公司 | Electrical box and air conditioner outdoor unit |
| CN104010438A (en) * | 2013-02-22 | 2014-08-27 | 广东美的制冷设备有限公司 | PCB assembly and air-conditioner outdoor unit provided therewith |
-
2013
- 2013-02-22 CN CN 201320084153 patent/CN203136332U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104010438A (en) * | 2013-02-22 | 2014-08-27 | 广东美的制冷设备有限公司 | PCB assembly and air-conditioner outdoor unit provided therewith |
| CN104010438B (en) * | 2013-02-22 | 2017-10-13 | 广东美的制冷设备有限公司 | Pcb board component and the air-conditioner outdoor unit with it |
| CN103912927A (en) * | 2014-03-25 | 2014-07-09 | 珠海格力电器股份有限公司 | Electrical box and air conditioner outdoor unit |
| CN103912927B (en) * | 2014-03-25 | 2017-06-20 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |