CN204460341U - The waterproof construction of electromagnetic oven mainboard holder - Google Patents
The waterproof construction of electromagnetic oven mainboard holder Download PDFInfo
- Publication number
- CN204460341U CN204460341U CN201520039873.3U CN201520039873U CN204460341U CN 204460341 U CN204460341 U CN 204460341U CN 201520039873 U CN201520039873 U CN 201520039873U CN 204460341 U CN204460341 U CN 204460341U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- electromagnetic oven
- barricade
- sidewall
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model is applicable to household electrical appliance technical field, provides a kind of waterproof construction of electromagnetic oven mainboard holder, is intended to solve electromagnetic oven interior circuit board in prior art and cannot ensures the problem of good waterproof and heat radiation.The waterproof construction of electromagnetic oven mainboard holder comprises: upper cover and lower cover, and upper cover and lower cover are oppositely arranged and form accommodating cavity; Circuit board, is fixedly installed in down and covers and be contained in accommodating cavity; Wherein, lower cover comprises: base plate, is oppositely arranged with circuit board; Sidewall, extends along the periphery of base plate towards upper cover side and encircles circuit board; Barricade, between sidewall and circuit board; Osculum, to be arranged on base plate and between sidewall and barricade.By arranging the barricade between circuit board and sidewall at lower cover, to connect along straight wall to prevent water and enter on circuit board, and osculum is set on base plate, discharge with the water logging osculum that will enter between sidewall and barricade, ensure that electromagnetic oven is inner dry, and play the effect of part heat radiation.
Description
Technical field
The utility model belongs to household electrical appliance technical field, particularly relates to a kind of waterproof construction of electromagnetic oven, specifically a kind of waterproof construction of the mainboard holder be separated with the main casing of electromagnetic oven.
Background technology
Usually, mainboard is provided with in electromagnetic oven, mainboard is often adopted now to be positioned in electromagnetic oven main casing, the thickness of electromagnetic oven and width is caused to be affected because needing the arrangement relation of consideration and miscellaneous part, therefore technical measures mainboard being independently arranged at electromagnetic oven main casing have been there are, mainboard is arranged at independently in mainboard holder, because the electronic component on mainboard can produce large heat in the course of the work, therefore on mainboard holder sidewall, louvre is provided with, so just have water or fluid etc. and enter into enclosure along louvre, after water enters, cannot get rid of in time, then performance and the safety of mainboard will be affected.
In order to play waterproof action to mainboard; Chinese patent ZL200820205743.2 discloses a kind of circuit protection structure of electromagnetic oven; the protective cover matched with this circuit board is set by place at least one on the ground up and down of circuit board, utilizes this protective cover to its seal protection of electronic element on circuit board.But this mode may bring the heat dissipation problem of electronic element on circuit board, cannot proper heat reduction because Long-Time Service causes electronic component overheated.
Utility model content
The purpose of this utility model is the waterproof construction providing a kind of electromagnetic oven mainboard holder, by arranging barricade and osculum, being intended to solve electromagnetic oven mainboard holder interior circuit board in prior art and cannot ensureing the problem of good waterproof and heat radiation.
The utility model is achieved in that a kind of waterproof construction of electromagnetic oven mainboard holder, comprising:
Upper cover and lower cover, wherein, described upper cover and described lower cover are oppositely arranged and form accommodating cavity;
Circuit board, be fixedly installed in described under cover and be contained in described accommodating cavity;
Wherein, described lower cover comprises:
Base plate, is oppositely arranged with described circuit board;
Sidewall, extend along the periphery of described base plate towards described upper cover side and encircle described circuit board, described sidewall is provided with louvre;
Barricade, extend and setting facing with described sidewall along described base plate towards described upper cover side, described barricade is between described sidewall and described circuit board;
Osculum, to be arranged on described base plate and between described sidewall and described barricade.
Further, barricade is provided with multiple air-flow through hole, and described air-flow through hole and described louvre shift to install.
Further, described air-flow through hole is at least partially lower than the lower surface of circuit board.
Further, the end face of described barricade and the upper surface of described circuit board have difference in height.
Preferably, the end face of described barricade is higher than the upper surface of described circuit board, and difference in height scope is 0 ~ 2mm.
Further, cover under described and be also provided with multiple support column along described base plate towards described upper cover one lateral process, described circuit board is fixed on described support column.
Preferably, the height of described support column is 2 ~ 5mm.
Further, described air-flow through hole is at least partially lower than the lower surface of circuit board.
The utility model is relative to the technique effect of prior art: by arranging the described barricade between described circuit board and described sidewall at described lower cover, connecing along described straight wall to prevent water enters on described circuit board, and osculum is set on described base plate, discharge with osculum described in the water logging that will enter between described sidewall and described barricade, ensure that described electromagnetic oven mainboard holder is inner dry, and utilize described osculum to play the effect of part heat radiation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in the utility model embodiment or description of the prior art below, apparently, accompanying drawing described is below only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the electromagnetic oven mainboard holder that the utility model provides;
Fig. 2 is the three-dimensional structure diagram of lower cover in Fig. 1;
Fig. 3 is the front view of lower cover in Fig. 1;
Fig. 4 is the cross section view of electromagnetic oven in Fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1, the waterproof construction of the electromagnetic oven mainboard holder that the utility model embodiment provides comprises: upper cover 10 and lower cover 20, and wherein, described upper cover 10 and described lower cover 20 are oppositely arranged and form accommodating cavity 30; Circuit board 40, to be fixedly installed on described lower cover 20 and to be contained in described accommodating cavity 30; Wherein, described lower cover 20 comprises: base plate 21, is oppositely arranged with described circuit board 40; Sidewall 22, extend along the periphery of described base plate 21 towards described upper cover 10 side and encircle described circuit board 40, described sidewall 22 is provided with multiple louvre 220; Barricade 23, extend along described base plate 21 towards described upper cover 10 side and with the facing setting of described sidewall 22, described barricade 23 is between described sidewall 22 and described circuit board 40; Osculum 24, to be arranged on described base plate 21 and between described sidewall 22 and described barricade 23, as shown in Figure 2.
The waterproof construction of the electromagnetic oven mainboard holder that the utility model embodiment provides is by arranging the described barricade 23 between described circuit board 40 and described sidewall 22 at described lower cover 20, directly enter on described circuit board 40 to prevent water along described sidewall 22, and osculum 24 is set on described base plate 21, so that osculum 24 described in the water logging entered between described sidewall 22 and described barricade 23 is discharged, ensure that described electromagnetic oven is inner dry, and utilize described osculum 24 to play the effect of part heat radiation; Utilize described louvre 220 to be discharged by the heat in described accommodating cavity 30 simultaneously, play the effect of heat radiation.And utilize described louvre 220 and described osculum 24, to form convection current, play better radiating effect.Further, by the below of fraction channel setting at described circuit board 40 lower surface, circuit board 40 underlying space airflow radiating can be beneficial to.More preferably, described air-flow through hole is at least partially lower than the lower surface of circuit board 40.
Please refer to Fig. 2 and Fig. 3, in this embodiment, described osculum 24 is arranged at intervals on described base plate 21.
In this embodiment, described base plate 21, described sidewall 22 and described barricade 23 are by one-body molded and make.
Please refer to Fig. 2, further, described barricade 23 is provided with multiple air-flow through hole 230, and described air-flow through hole 230 shifts to install with described louvre 220.。Air-flow through hole 230 facilitate circuit board and described barricade 23 outer gas stream through, radiating effect is better, shifts to install, avoid water liquid to enter circuit board 40 with described louvre 220.
Please refer to Fig. 4, further, the end face of described barricade 23 and the upper surface of described circuit board 40 have difference in height h.Utilizing described barricade 23 to block directly enters into circuit board 40 from described louvre 220 or other local water flowed in described accommodating cavity 30 to prevent water, ensures performance and the safety of circuit board 40.
Please refer to Fig. 4, preferably, the end face of described barricade 23 is higher than the upper surface of described circuit board 40, and difference in height h scope is 0 ~ 2mm.By by the upper surface set-up mode of the end face of barricade 23 higher than described circuit board 40, locate so that be applicable to circuit board 40 while the facial electronic element radiating of circuit board 40.
Please refer to Fig. 4, further, described lower cover 20 is also provided with multiple support column 25 along described base plate 21 towards described upper cover 10 1 lateral process, described circuit board 40 is fixed on described support column 25.Utilize described support column 25 to support described circuit board 40, and utilize bolt to be fixed on described support column 25 by described circuit board 40.Utilize support column 25 to support described circuit board 40 to make to form heat-dissipating space between described circuit board 40 and described base plate 21, ensure that the serviceability of circuit board 40, and reduce the integral thickness of base plate 21 simultaneously.
Please refer to Fig. 4, preferably, the height H of described support column 25 is 2 ~ 5mm.Distance between the lower surface of described circuit board 40 and described base plate 21 is 2 ~ 5mm, and namely the height of heat-dissipating space is 2 ~ 5mm.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a waterproof construction for electromagnetic oven mainboard holder, is characterized in that, comprising:
Upper cover and lower cover, wherein, described upper cover and described lower cover are oppositely arranged and form accommodating cavity;
Circuit board, be fixedly installed in described under cover and be contained in described accommodating cavity;
Wherein, described lower cover comprises:
Base plate, is oppositely arranged with described circuit board;
Sidewall, extend along the periphery of described base plate towards described upper cover side and encircle described circuit board, described sidewall is provided with louvre;
Barricade, extend and setting facing with described sidewall along described base plate towards described upper cover side, described barricade is between described sidewall and described circuit board;
Osculum, to be arranged on described base plate and between described sidewall and described barricade.
2. the waterproof construction of electromagnetic oven mainboard holder as claimed in claim 1, it is characterized in that, described barricade is provided with multiple air-flow through hole, and described air-flow through hole and described louvre shift to install.
3. the waterproof construction of electromagnetic oven mainboard holder as claimed in claim 1, it is characterized in that, the end face of described barricade and the upper surface of described circuit board have difference in height.
4. the waterproof construction of electromagnetic oven mainboard holder as claimed in claim 3, it is characterized in that, the end face of described barricade is higher than the upper surface of described circuit board, and difference in height scope is 0 ~ 2mm.
5. the waterproof construction of the electromagnetic oven mainboard holder as described in Claims 1-4 any one, is characterized in that, cover under described and be also provided with multiple support column along described base plate towards described upper cover one lateral process, described circuit board is fixed on described support column.
6. the waterproof construction of electromagnetic oven mainboard holder as claimed in claim 5, it is characterized in that, the height of described support column is 2 ~ 5mm.
7. the waterproof construction of electromagnetic oven mainboard holder as claimed in claim 2, it is characterized in that, described air-flow through hole is at least partially lower than the lower surface of circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039873.3U CN204460341U (en) | 2015-01-20 | 2015-01-20 | The waterproof construction of electromagnetic oven mainboard holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039873.3U CN204460341U (en) | 2015-01-20 | 2015-01-20 | The waterproof construction of electromagnetic oven mainboard holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204460341U true CN204460341U (en) | 2015-07-08 |
Family
ID=53667217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520039873.3U Active CN204460341U (en) | 2015-01-20 | 2015-01-20 | The waterproof construction of electromagnetic oven mainboard holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204460341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782632A (en) * | 2016-05-17 | 2017-05-31 | 上海妙蜂电子科技有限公司 | A kind of memory management unit of embedded wall |
| CN108495513A (en) * | 2018-03-14 | 2018-09-04 | 陈茂清 | Intelligent numerical control LED waterproof driving powers |
| CN114271702A (en) * | 2020-09-27 | 2022-04-05 | 广东美的厨房电器制造有限公司 | Cooking utensil |
-
2015
- 2015-01-20 CN CN201520039873.3U patent/CN204460341U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782632A (en) * | 2016-05-17 | 2017-05-31 | 上海妙蜂电子科技有限公司 | A kind of memory management unit of embedded wall |
| CN106952661A (en) * | 2016-05-17 | 2017-07-14 | 上海妙蜂电子科技有限公司 | A kind of memory management unit of embedded wall |
| CN108495513A (en) * | 2018-03-14 | 2018-09-04 | 陈茂清 | Intelligent numerical control LED waterproof driving powers |
| CN114271702A (en) * | 2020-09-27 | 2022-04-05 | 广东美的厨房电器制造有限公司 | Cooking utensil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203722973U (en) | High thermal conductivity radiating fin for shielding electromagnetic wave | |
| CN203884100U (en) | Motor controller and motor using same | |
| CN204460341U (en) | The waterproof construction of electromagnetic oven mainboard holder | |
| CN206402088U (en) | A kind of frequency converter shell | |
| CN105592676A (en) | EMI-prevention shielding structure for electronic element | |
| CN202721372U (en) | High-voltage switch cabinet | |
| CN204119683U (en) | A kind of IP protects subrack | |
| CN204178296U (en) | A kind of computer cabinet | |
| CN204634147U (en) | A kind of concentrated cooling circuit board | |
| CN204616235U (en) | A kind of Switching Power Supply Rainproof case | |
| CN203537687U (en) | Case | |
| CN203214442U (en) | Heat dissipation shield structure of oscillating fan | |
| CN204408840U (en) | The masking structure of electronic component EMI suppression | |
| CN204316937U (en) | A kind of regulator cubicle heat-transfer device | |
| CN205384540U (en) | High radiating efficiency computer mainboard | |
| CN104320943A (en) | Dustproof ventilation control cabinet for petroleum oil pumping unit | |
| CN204157215U (en) | A kind of screening arrangement of voltage regulator | |
| CN203934274U (en) | A kind of signal handling equipment and metal shell thereof | |
| CN203774647U (en) | Outdoor power distribution cabinet having rain prevention function | |
| CN202773228U (en) | Waterproof and mothproof electronic equipment protective cover | |
| CN204465908U (en) | Electric appliance box and electromagnetic oven | |
| CN204518258U (en) | 4G communication base station filtering heat radiation combination housing | |
| CN104319659A (en) | Power distribution cabinet with side walls provided with heat dissipation structures | |
| CN204334303U (en) | A kind of frequency converter vertical cabinet | |
| CN205213247U (en) | Ammeter and meter shell body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |