Summary of the invention
It is contemplated that solve one of above-mentioned technical problem at least to a certain extent.
For this, the present invention proposes a kind of radiating subassembly, and this radiating subassembly improves the radiating efficiency of power device.
The present invention also proposes the household electrical appliance with above-mentioned radiating subassembly, and this household electrical appliance radiating efficiency is high.
The radiating subassembly of embodiment includes according to a first aspect of the present invention: at least two radiator, and each described radiator is respectively equipped with the first connecting portion; Insulated connecting piece, described insulated connecting piece is provided with the second connecting portion being suitable to be connected with described first connecting portion, and adjacent two described radiators are connected by described insulated connecting piece.
Compared to traditional radiator, radiating subassembly according to embodiments of the present invention by arranging insulated connecting piece between adjacent heat radiation device, power device can directly contact with radiator, insulation spacer need not be additionally set and ensure that being formed without short circuit between power device connects, and improves the radiating efficiency of power device.
It addition, radiating subassembly according to embodiments of the present invention, it is also possible to there is following additional technical characteristic:
According to one embodiment of present invention, described radiator is two, and the relative side of two described radiators is respectively equipped with described first connecting portion, described insulated connecting piece be respectively provided on two sides with described second connecting portion.
According to one embodiment of present invention, each described radiator includes respectively: body, and described body is provided with the installation portion being suitable to be connected with power part, and described first connecting portion sets on the body;Multiple fin, multiple described fin are connected and spaced apart the same side being located at described body successively with described body respectively.
According to one embodiment of present invention, described radiator includes the first radiator and the second radiator, and described first radiator has the first noumenon and multiple first fin, and described second radiator has the second body and multiple second fin.
According to one embodiment of present invention, the cross section of described the first noumenon is formed generally as rectangle, multiple described first fin are respectively along the spaced apart the same side being located at described the first noumenon of the length direction of described the first noumenon, the one end of described second body of vicinity that described first connecting portion is located at described the first noumenon, the cross section of described second body is formed generally as L-shaped, multiple described second fin are respectively provided at the same side of described second body, described second body includes mutually perpendicular first leg and the second leg, described first connecting portion is located at the outside of the free end of described first leg, described the first noumenon and described first leg are vertically connected.
According to one embodiment of present invention, described first fin and described second fin be arranged in parallel.
According to one embodiment of present invention, described first connecting portion is for installing convex tendon, and described second connecting portion is the mounting groove suitable with described installation convex tendon.
According to one embodiment of present invention, described insulated connecting piece is formed as tabular, described insulated connecting piece be respectively provided on two sides with described installation convex tendon, the described radiator of described insulated connecting piece both sides is respectively equipped with along the through described mounting groove of its thickness direction.
According to one embodiment of present invention, described insulated connecting piece is formed as tabular, described insulated connecting piece be respectively provided on two sides with described mounting groove, the described radiator of described insulated connecting piece both sides is respectively equipped with the described installation convex tendon extended along its thickness direction.
According to one embodiment of present invention, described insulated connecting piece is formed as tabular, the wherein side of described insulated connecting piece is provided with described mounting groove, opposite side is provided with described installation convex tendon, in radiator described in the two of described insulated connecting piece both sides one is provided with described installation convex tendon, and another is provided with described mounting groove.
According to one embodiment of present invention, described installation convex tendon is connected with described mounting groove clamping.
According to one embodiment of present invention, described mounting groove is formed as reducing groove, and the cross section of described installation convex tendon is formed corresponding with the shape of described mounting groove, and described installation convex tendon inserts described mounting groove along the thickness direction of described mounting groove.
According to one embodiment of present invention, on the thickness direction of described radiator, a side surface of described insulated connecting piece and described installation convex tendon protrudes from a side surface of described radiator and stretches out.
According to one embodiment of present invention, the two bottom sides of described insulated connecting piece is respectively equipped with the support level being suitable to dodge and support the fin of described radiator.
According to one embodiment of present invention, described installation convex tendon and described insulated connecting piece are integrally formed.
According to one embodiment of present invention, described insulated connecting piece is working of plastics.
The household electrical appliance of embodiment include the radiating subassembly described in above-described embodiment according to a second aspect of the present invention, owing to the radiating subassembly of embodiment according to a first aspect of the present invention can be effectively improved the radiating efficiency of power device, therefore, according to the household electrical appliance with invention second aspect embodiment, also there is the technique effect that radiating efficiency is high.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Household electrical appliance would generally be provided with more than one power device, for instance heavy-duty diode, IGCT, GTO, IGBT etc. Owing to the voltage and current grade of power device is generally higher, during power device work, substantial amounts of heat can be produced. Therefore, power device needs to be connected such that it is able to take away the heat that power device discharges in time with radiator.
The radiating subassembly 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 7. As shown in Fig. 1-Fig. 3, Fig. 5-Fig. 7, radiating subassembly 100 according to embodiments of the present invention may include that at least two radiator 10 and insulated connecting piece 20.
Specifically, each radiator 10 is respectively equipped with the first connecting portion 16 and or the second connecting portion 21. Insulated connecting piece 20 be provided be suitable to the first connecting portion 16 and or the second connecting portion 21 of being connected of the second connecting portion 21 and or the second connecting portion, adjacent two radiators 10 are connected by insulated connecting piece 20. In other words, as shown in Figures 2 and 3, when adjacent two radiators 10 are provided with the first connecting portion 16, the both sides of insulated connecting piece 20 can be provided with the second connecting portion 21 being connected with the first connecting portion 16 respectively; As it is shown in figure 5, when adjacent heat radiation device is provided with the second connecting portion 21, the both sides of insulated connecting piece 20 can be provided with the first connecting portion 16 being connected with the second connecting portion 21; As shown in Figure 6 and Figure 7, adjacent two radiators 10 be provided with the first connecting portion 16, when another radiator 10 is provided with the second connecting portion 21, insulated connecting piece 20 be respectively provided on two sides with the second connecting portion 21 being connected with the first connecting portion 16 and the first connecting portion 16 being connected with the second connecting portion 21.
As it is shown in figure 1, each radiator 10 only arranges a power device 30, between adjacent radiator 10, it is provided with insulated connecting piece 20. It is to say, the quantity of radiator 10 not always fixing, radiating subassembly 100 can include two or more radiator 10, and the quantity of radiator 10 is consistent with the quantity of power device 30.
The shape and structure of each radiator 10 is also and not always identical, it is possible to set flexibly according to the structure of power device 30. After power device 30 assembles with corresponding radiator 10, coupling together to be formed the radiating subassembly 100 of entirety again through insulated connecting piece 20 by multiple radiators 10, then radiating subassembly 100 can be integrally mounted on household electrical appliance. When radiating subassembly 100 is dismantled, it is possible to whole radiating subassembly 100 is disassembled from household electrical appliance, it is also possible to individually radiating element 10 is disassembled from household electrical appliance. Wherein, radiator 10 can be connected molding by the mode of clamping with insulated connecting piece 20, and the mode that radiator 10 can also pass through thermal welding with insulated connecting piece 20 is one-body molded, it is to be appreciated that, aforesaid way is only illustrative, and is not the restriction to the embodiment of the present invention.
Owing to being provided with insulated connecting piece 20 between radiator 10, so, it is no longer necessary to arrange insulation spacer between radiator and 10 power devices 30 just to avoid forming short circuit between the bare electrode of power device 30 and connect, and owing to the surface of power device 30 does not have insulation spacer to attach, increase the contact area of power device 30 and radiator 10, improve the radiating efficiency of power device 30.
In addition, bare electrode generally can be made up of the material that the good heat conductivity such as copper, aluminum or silver and thermal resistance are little, bare electrode directly contacts the heat can accelerated in power device 30 to radiator 10 transmission speed with radiator 10, improves the radiating efficiency of power device 30.
Thus, compared to traditional radiator, radiating subassembly 100 according to embodiments of the present invention by arranging insulated connecting piece 20 between adjacent heat radiation device 10, power device 30 can directly contact with radiator 10, insulation spacer need not be additionally set and ensure that being formed without short circuit between power device 30 connects, and improves the radiating efficiency of power device 30.
In some embodiments of the invention, the first connecting portion 16 can be install convex tendon, and the second connecting portion 21 can be the mounting groove suitable with installing convex tendon. Wherein, the concrete setting installing convex tendon and mounting groove is not particularly limited. Such as, as shown in Figures 2 and 3, insulated connecting piece 20 is formed as tabular, and the both sides of insulated connecting piece 20 can be respectively equipped with installation convex tendon, the radiator 10 of insulated connecting piece 20 both sides is respectively equipped with along the through mounting groove of its thickness direction. Again such as, as it is shown in figure 5, insulated connecting piece 20 is formed as tabular, insulated connecting piece 20 be respectively provided on two sides with mounting groove, on the radiator of insulated connecting piece 20 both sides, 10 are respectively equipped with the installation convex tendon extended along its thickness direction. Again such as, as shown in Figure 6 and Figure 7, insulated connecting piece 20 is formed as tabular, the wherein side of insulated connecting piece 20 is provided with described mounting groove, opposite side is provided with installation convex tendon, and one in two radiators 10 of insulated connecting piece 20 both sides is provided with installation convex tendon, and another is provided with mounting groove. Wherein, the thickness direction of radiator 10 refers to the direction, paper place being perpendicular to Fig. 3, Fig. 5-Fig. 7.
Alternatively, convex tendon is installed and is fastened in mounting groove, thus the connection realized between radiator 10. When needing to be undertaken reequiping or changing power device by the structure of radiating subassembly 100, then can separate installing convex tendon in mounting groove. Thus, the convenience that radiating subassembly 100 uses is improved further.
In some embodiments of the invention, as shown in Fig. 3, Fig. 5-Fig. 7, radiator 10 is two, and the relative side of two radiators 10 is respectively equipped with the first connecting portion 16, insulated connecting piece 20 be respectively provided on two sides with the second connecting portion 21.First connecting portion 16 of two radiators 10 coordinates with the second relative connecting portion 21 respectively, and insulated connecting piece 20 can avoid formation current loop between radiator 10, and then avoids forming short circuit connection between power device 30. Wherein, insulated connecting piece 20 can be working of plastics. Working of plastics is prone to molding, easy to process and the cost of material is low. Certainly, insulated connecting piece 20 can also be fabricated by for other electrically non-conductive materials.
Further, each radiator 10 can include respectively: body and multiple fin. Body is provided with the installation portion (not shown go out) being suitable to be connected with power device 30, and the first connecting portion 16 is located on body. Multiple fin are connected and spaced apart the same side (downside in Fig. 2 and Fig. 3) being located at body successively with body respectively. Body can be formed multiple screw hole (not shown go out), by screw, power device 30 is fixed on the body of radiator 10, and the bare electrode of power device 30 is contacted with spreader surface. Multiple fin can increase the area of dissipation of radiator 10, thus rapidly and efficiently outwards being distributed by the heat in power device 30. Thus, the radiating efficiency of power device 30 is improved further.
In one particular embodiment of the present invention, the cross section of the first noumenon 141 substantially can be formed as rectangle, multiple first fin 142 are respectively along the spaced apart the same side (downside such as Fig. 2 and Fig. 3) being located at the first noumenon 141 of the length direction of the first noumenon 141 (left and right directions such as Fig. 2 and Fig. 3), first connecting portion 16 is located at one end of vicinity second body 152 of the first noumenon 141, second body 152 can be formed generally as L-shaped in cross section, multiple second fin 153 are respectively provided at the same side of the second body 152, second body 152 includes mutually perpendicular first leg 152a and the second leg 152b, first connecting portion 16 is located at the outside (namely relative with the first noumenon 141 side) of the free end of the first leg 152a, the first noumenon 141 and the first leg 152a are vertically connected. namely outside the plane at the first noumenon 141 place and the first leg 152a, the plane at place is mutually perpendicular to.
It should be noted that " cross section " referred to herein refers to the cross section of radiator above-below direction. The opposite side (upside such as Fig. 2 and Fig. 3) of the first noumenon 141 and the second body 152 can be provided with installation portion (not shown go out), and power device 30 is connected with installation portion. Radiating subassembly 100 property simple for structure can be improved in the same side that fin is located at the first noumenon 141 and the second body 152, it is simple to the assembling of whole radiating subassembly 100 and household electrical appliance so that it is more reasonable that household electrical appliance internal structure is arranged.
Alternatively, as shown in Fig. 2 and Fig. 3, Fig. 5-Fig. 7, the first fin 142 and the second fin 153 be arranged in parallel. Thus, it is possible to be easy to the processing and manufacturing of radiator 10 so that the rational and orderly more of radiating subassembly 100 overall construction design.
In one particular embodiment of the present invention, mounting groove is formed as reducing groove, and the cross section installing convex tendon is formed corresponding with the shape of mounting groove, installs the convex tendon thickness direction insertion mounting groove along mounting groove. Thus, it is possible to effectively the upper end of radiator 10 and insulated connecting piece 20 are fixedly connected with. Wherein, convex tendon is installed to may be integrally formed with insulated connecting piece 20, for instance be integrally formed by jetting formation process.
Advantageously, the two bottom sides of insulated connecting piece 20 is respectively equipped with the support level 22 being suitable to dodge and support the fin of radiator.As it is shown on figure 3, the lower surface of fin is only butted on supporting step, thus, it is possible to effectively the lower end of radiator 10 and insulated connecting piece 20 are fixedly connected with, improve the connective stability of radiator 10 and insulated connecting piece 20.
Alternatively, on the thickness direction of radiator 10, a side surface of insulated connecting piece 20 and installation convex tendon protrudes from a side surface of radiator 10 and stretches out.
Wherein, the thickness direction of radiator 10 refers to the direction, paper place being perpendicular to Fig. 2 and Fig. 3, Fig. 5-Fig. 7, one side surface of insulated connecting piece 20 and installation convex tendon and a side surface of radiator 10 refer to the side surface being perpendicular to paper upwards, it is to say, a side surface of insulated connecting piece 20 and installation convex tendon is extending upwardly from the side surface exceeding radiator 10 and is extending upwardly from relative to paper relative to paper. Adjacent two radiators 10 thus can be avoided short-circuit due to the effect of dust.
The household electrical appliance (not shown go out) of embodiment include the radiating subassembly 100 of first aspect present invention embodiment according to a second aspect of the present invention, owing to the radiating subassembly 100 of embodiment according to a first aspect of the present invention can be effectively improved the radiating efficiency of power device, therefore, according to the household electrical appliance with invention second aspect embodiment, there is the technique effect that radiating efficiency is high.
In describing the invention, it will be appreciated that, term " on ", D score, " end ", " interior ", " outward ", " length ", " thickness ", the orientation of the instruction such as " width " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic. Thus, define " first ", the feature of " second " can express or implicitly include one or more these features. In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them. And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, being not considered as limiting the invention, above-described embodiment can be changed when without departing from principles of the invention and objective, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.