CN202738362U - Washing machine variable frequency motor controller - Google Patents
Washing machine variable frequency motor controller Download PDFInfo
- Publication number
- CN202738362U CN202738362U CN 201220389354 CN201220389354U CN202738362U CN 202738362 U CN202738362 U CN 202738362U CN 201220389354 CN201220389354 CN 201220389354 CN 201220389354 U CN201220389354 U CN 201220389354U CN 202738362 U CN202738362 U CN 202738362U
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- Prior art keywords
- support
- washing machine
- frequency motor
- metallic support
- motor controller
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- Expired - Lifetime
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Abstract
The utility model relates to the field of washing machines, and discloses a washing machine variable frequency motor controller, comprising a PCB (Printed Circuit Board) and a casing; wherein the casing consists of a first metal support and a second support, the first metal support and the second support are connected with each other to form an enclosed space, the first metal support and the second support jointly form an external surface of the enclosed space, a top surface of the first metal support is provided with the PCB, the PCB is arranged in the enclosed space, a power element is arranged in a gap between a back side of the PCB and the first metal support, a gap between the power element and the first metal support is filled with a heat-conducting medium, the heat-conducting medium is an elastic heat-conducting material. By adopting the technical scheme of the washing machine variable frequency motor controller provided by the utility model, a heat dissipation effect can be raised, and cost can be reduced.
Description
Technical field
The utility model relates to the washing machine field, particularly a kind of washing machine variable-frequency motor controller.
Background technology
Traditional variable-frequency motor controller is that the associated electronic components with controller is contained in a pcb board (Printed Circuit Board, PCB) on, one group of power component is wherein arranged, this power component can produce larger heat in the course of the work, and the radiator that usually need to add a metal material is attached on the radiating surface of power component and dispels the heat.But because the operational environment of washing machine is more special, in order to protect the reliability of internal electronic element, its water resistance there is strict requirement, generally mounted pcb board is put into and carried out waterproof in the airtight plastic housing and anti-foreign matter enters.This moment, radiator was arranged in airtight plastic housing, and air flow property is poor, and the effect of heat exchange is also very poor, so the heat that heat sink radiates goes out still can not be effectively and outputed to timely the outside of plastic housing.And in order to improve radiating effect, usually just need to increase the radiator of metal material, so the cost of product is also higher in the traditional scheme.
The utility model content
The purpose of the utility model embodiment is to provide a kind of washing machine variable-frequency motor controller, and this controller has good sealing, and has greatly improved radiating effect, has reduced cost.
A kind of washing machine variable-frequency motor controller that the utility model embodiment provides, comprise: pcb board, be provided with electronic component be used to the control circuit of controlling described washing machine variable-frequency motor and the described control circuit of a plurality of formations at described pcb board, in described electronic component, comprise power component.
Housing, described housing is comprised of the first metallic support and the second support, and described the first metallic support and described the second support interconnect, and form an enclosure space, the common outer surface that consists of described enclosure space of described the first metallic support and the second support.
End face at described the first metallic support is equipped with described pcb board, described pcb board is positioned at described enclosure space, described power component has the space between the back side of described pcb board and described the first metallic support, space between described power component and described the first metallic support also is filled with the heat conduction medium, and described heat conduction medium is for having flexible Heat Conduction Material.
Wherein, alternatively, the junction of the first metallic support and described the second support is filled with rubber strip or polyvinyl chloride sponge strip.
Alternatively, the first metallic support is aluminium material or iron material matter.
Alternatively, the first metallic support has a cavity, described the second support also has a cavity, described the first metallic support cavity hatch place and described the second relative connection of support cavity hatch place, the common enclosure space that forms of described the first metallic support cavity and described the second support cavity.
Alternatively, described the first metallic support is dull and stereotyped, has a cavity on described the second support, described the first metallic support and described the second support interconnect, specifically, the cavity hatch place of described the second support of described dull and stereotyped shutoff is described enclosure space by the described cavity of described dull and stereotyped shutoff.
Alternatively, the cavity hatch place of described the second support of described dull and stereotyped shutoff, specifically,
There is the first horizontal extension at described the second support cavity hatch place, the described first horizontal extension and described flat board fit, be provided with bolt at described flat board, the first horizontal extension of described bolt-through flat board and described the second support, the cavity hatch place of described the second support of described dull and stereotyped shutoff, described flat board and described second are configured to an enclosure space.
Alternatively, the second support also is provided with the second extension, and the second extension is connected with the described first horizontal extension, and with the described first horizontal extension not in same plane, be provided with bolt on described the second extension, be used for described controller is connected with described washing machine miscellaneous part.
Alternatively, the second support is plastic material or metal material.
Alternatively, controller also comprises erection column, and described erection column is insulator, and an end of described erection column is provided with head, and described erection column runs through pcb board from the head, described the first metallic support of other end precession.
Alternatively, be provided with rib or the fin of convex-concave on the outer surface of the first metallic support, or frosted layer.
Therefore, use the present embodiment technical scheme, because the first metallic support and the second support form enclosure space, the first metallic support is as the part of shell, saved cost, and the first metallic support is connected by the heat conduction medium with power component, has reduced thermal resistance, has improved the effect of heat radiation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of washing machine variable-frequency motor controller that Fig. 1 provides for the utility model embodiment 1;
The structural representation of a kind of washing machine variable-frequency motor controller that Fig. 2 provides for the utility model embodiment 2;
The structural representation of a kind of washing machine variable-frequency motor controller that Fig. 3 provides for the utility model embodiment 3.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
Present embodiment provides a kind of washing machine variable-frequency motor controller, its structure is referring to shown in the accompanying drawing 1, wherein be provided with the electronic component be used to the control circuit of controlling described washing machine variable-frequency motor and the described control circuit of a plurality of formations on the pcb board 20, for example all there is electronic component the top and bottom of pcb board, electronic component 22 is installed below the pcb board 20, the above is equipped with electronic component 24, other electronic component perhaps also is installed, wherein electronic component 22 is power components, and this power component 22 can produce larger heat in the course of the work.
The first metallic support 10 and the second support 12 all have a cavity, two cavity hatch connect the common enclosure space that consists of relatively, pcb board 20 is positioned at the enclosure space that is jointly formed by the first metallic support 10 and the second support 12, the first metallic support 10 and the second support 12 common outer surfaces that form enclosure space.The first metallic support 10 is as the part of shell, and power component 22 is dispelled the heat, the first metallic support 10 can but be not limited to adopt the good aluminium material of thermal diffusivity or the manufacturing of iron material matter.The second support 12 can but be not limited to use plastic material or metal material to make, for example have aluminium material or the iron material matter of good radiating effect, perhaps the comparatively cheap plastic material of price should be decided on whole heating effect and controller mounting means.The second support 12 has protective action, and can prevent has water to be splashed in the exposed and laundry processes of electronic component on the pcb board 20, prevents that the foreign matters such as Danger Electric shock risk and small worm enter controller inside.In order further to strengthen waterproof effect, so that the junction of the first metallic support 10 and the second support 12 does not have the space, can but be not limited to junction filled rubber bar or polyvinyl chloride (Poly Vinyl Chloride, PVC) sponge strip at the first metallic support 10 and the second support 12.Also be provided with the wiring hole that is connected with external equipment on the second support 12, be used for controller and be connected with line between the external equipment.
Pcb board is fixedly mounted on the first metallic support 10, pcb board can but be not limited to use erection column 40 to be fixed on the first metallic support 10, erection column 40 is insulator, such as plastic material, all there is screw thread at the two ends of erection column 40, and an end is provided with head, and erection column runs through pcb board from the head, other end precession the first metallic support 10 is so that pcb board is fixedly connected with the first metallic support 10.
Certain gap (usually in the scope of 0.5mm to 3mm) is arranged between pcb board 20 and the first metallic support 10.Because in the assembling process of producing, can not guarantee that the setting height(from bottom) of each power component 22 is all consistent.And the position of pcb board 20 in enclosure space fixed, so keep between the radiating surface of power component 22 and the first metallic support 10 certain distance arranged, and prevents from weighing wounded when fixing pcb board 20 power component 22.Because this gap is larger, can not fill the purpose that the gap reaches heat transfer by the mode of coating heat dissipating silicone grease (oil), because the flowability of silicone grease (oil) is larger, in the larger situation in gap, can not mould fixed or moulding.The Heat Conduction Material 30 that space in this programme between power component 22 and the first metallic support 10 is filled with certain resiliency compressible is as the heat conduction medium, and Heat Conduction Material generally adopts heat-conducting glue.Utilize the retractility of Heat Conduction Material to make radiating surface and the Heat Conduction Material close contact of power component 22, Heat Conduction Material and the first metallic support 10 also are close contacts.Like this, the enough thermal resistance transmission with minimum of the heat energy that module produces make it the heat-transfer effect that reaches maximum.
Because in the technical program, the first metallic support is used for the inner electronic component of installing of protection as the part of shell, as radiator power component is dispelled the heat again, and and be filled with flexible heat conduction medium between the space of power component, so that radiating surface close contact, reduce thermal resistance, improved the efficient of heat radiation, the input of having saved cost.And at the junction of the first metallic support and the second support filled rubber bar or polyvinyl chloride sponge strip, greatly improved the closure of the first metallic support and the second support junction, can better protect inner electronic component.
Embodiment 2:
Present embodiment provides another washing machine variable-frequency motor controller, its structure is referring to shown in Figure 2, the difference of present embodiment and embodiment 1 is, the first metallic support 10 be shaped as flat board, the second support 12 has a cavity, there is the first horizontal extension 14 at the second support 12 cavity hatch places, the first horizontal extension 14 fits with dull and stereotyped the first metallic support 10, be provided with bolt 50 at dull and stereotyped the first metallic support 10, bolt 50 runs through the first horizontal extension 14 of dull and stereotyped the first metallic support 10 and the second support 12, so that the cavity hatch place of dull and stereotyped the first metallic support 10 shutoff the second support 12, the first metallic support 10 and the second support 12 form an enclosure space.
In order to strengthen the radiating effect of the first metallic support 10, the first metallic support 10 is done some processing, such as: concavo-convex rib 60 is set or fin increase area of dissipation is set at the first metallic support 10 outer surfaces, perhaps the first metallic support 10 outer surfaces are turned black, frosted is processed and is strengthened heat radiation radiation etc.
Because in the technical program, the first metallic support links together by the first horizontal extension at bolt and the second carrier openings place, has further strengthened the performance of waterproof.By rib or the frosted layer of convex-concave are set at the first metal support surface, so that the radiating effect of washing machine variable-frequency motor controller improves greatly.The first metallic support is dull and stereotyped in this programme, has further saved the cost input.
Embodiment 3:
Present embodiment also provides a kind of washing machine variable-frequency motor controller, its structure is referring to shown in Figure 3, the difference of present embodiment and embodiment 2 is, the second support 12 also is provided with the second extension 16 in the present embodiment, the second extension 16 is connected with the first horizontal extension 14, and with the first horizontal extension 14 not in same plane, be provided with bolt 70 on the second extension 16, bolt 70 is used for being connected of controller and washing machine miscellaneous part, the outer surface of the second support 12 also is provided with installing hole 18, is used for being connected of washing machine variable-frequency motor controller and washing machine miscellaneous part.
The needs that the cavity geometry of the second support 12 can dispel the heat, install or protect according to reality are designed to other various shapes, save material and space, it is suitable that but its opening part will guarantee with the shape of the first metallic support 10, in order to form enclosure space with the first metallic support 10.
Because in the technical program, the second extension of the second support and the first extension are conducive to the waterproof of enclosure space not in same plane, strengthened the waterproof effect of controller, and the shape of the second support can be improved according to the actual needs, has strengthened the applicability of this controller.
Above-described execution mode does not consist of the restriction to this technical scheme protection range.Any at above-mentioned execution mode spirit and principle within do modification, be equal to and replace and improvement etc., all should be included within the protection range of this technical scheme.
Claims (10)
1. washing machine variable-frequency motor controller is characterized in that described controller comprises:
Pcb board is provided with electronic component be used to the control circuit of controlling described washing machine variable-frequency motor and the described control circuit of a plurality of formations at described pcb board, comprises power component in described electronic component;
Housing, described housing is comprised of the first metallic support and the second support, and described the first metallic support and described the second support interconnect, and form an enclosure space, the common outer surface that consists of described enclosure space of described the first metallic support and the second support;
End face at described the first metallic support is equipped with described pcb board, described pcb board is positioned at described enclosure space, described power component has the space between the back side of described pcb board and described the first metallic support, space between described power component and described the first metallic support also is filled with the heat conduction medium, and described heat conduction medium is for having flexible Heat Conduction Material.
2. washing machine variable-frequency motor controller as claimed in claim 1 is characterized in that,
The junction of described the first metallic support and described the second support is filled with rubber strip or polyvinyl chloride sponge strip.
3. washing machine variable-frequency motor controller as claimed in claim 1 is characterized in that, described the first metallic support is aluminium material or iron material matter.
4. washing machine variable-frequency motor controller as claimed in claim 1, it is characterized in that, described the first metallic support has a cavity, described the second support also has a cavity, described the first metallic support cavity hatch place and described the second relative connection of support cavity hatch place, the common enclosure space that forms of described the first metallic support cavity and described the second support cavity.
5. washing machine variable-frequency motor controller as claimed in claim 1 is characterized in that,
Described the first metallic support is dull and stereotyped, has a cavity on described the second support,
Described the first metallic support and described the second support interconnect, specifically,
The cavity hatch place of described the second support of described dull and stereotyped shutoff,
Be described enclosure space by the described cavity of described dull and stereotyped shutoff.
6. washing machine variable-frequency motor controller as claimed in claim 5 is characterized in that,
The cavity hatch place of described the second support of described dull and stereotyped shutoff, specifically,
There is the first horizontal extension at described the second support cavity hatch place, the described first horizontal extension and described flat board fit, be provided with bolt at described flat board, the first horizontal extension of described bolt-through flat board and described the second support, the cavity hatch place of described the second support of described dull and stereotyped shutoff, described flat board and described second are configured to an enclosure space.
7. washing machine variable-frequency motor controller as claimed in claim 6, it is characterized in that, described the second support also is provided with the second extension, described the second extension is connected with the described first horizontal extension, and with the described first horizontal extension not in same plane, be provided with bolt on described the second extension, be used for described controller is connected with described washing machine miscellaneous part.
8. washing machine variable-frequency motor controller as claimed in claim 1 is characterized in that, described the second support is plastic material or metal material.
9. washing machine variable-frequency motor controller as claimed in claim 1 is characterized in that described controller also comprises erection column, described erection column is insulator, one end of described erection column is provided with head, and described erection column runs through pcb board from the head, described the first metallic support of other end precession.
10. washing machine variable-frequency motor controller as claimed in claim 1 is characterized in that, is provided with rib or the fin of convex-concave on the outer surface of described the first metallic support, or frosted layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220389354 CN202738362U (en) | 2012-08-08 | 2012-08-08 | Washing machine variable frequency motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220389354 CN202738362U (en) | 2012-08-08 | 2012-08-08 | Washing machine variable frequency motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202738362U true CN202738362U (en) | 2013-02-13 |
Family
ID=47664008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220389354 Expired - Lifetime CN202738362U (en) | 2012-08-08 | 2012-08-08 | Washing machine variable frequency motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202738362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102811591A (en) * | 2012-08-08 | 2012-12-05 | 慈溪市顺达实业有限公司 | Variable frequency motor controller of washing machine |
-
2012
- 2012-08-08 CN CN 201220389354 patent/CN202738362U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102811591A (en) * | 2012-08-08 | 2012-12-05 | 慈溪市顺达实业有限公司 | Variable frequency motor controller of washing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |