CN1891122A - Electric-roaster printed circuit board mounting structure - Google Patents
Electric-roaster printed circuit board mounting structure Download PDFInfo
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- CN1891122A CN1891122A CN 200510014414 CN200510014414A CN1891122A CN 1891122 A CN1891122 A CN 1891122A CN 200510014414 CN200510014414 CN 200510014414 CN 200510014414 A CN200510014414 A CN 200510014414A CN 1891122 A CN1891122 A CN 1891122A
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- printed circuit
- circuit board
- pcb
- electric oven
- mounting structure
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Abstract
The present invention relates to a printed circuit board mounting structure of electric oven. Said mounting structure includes the following several portions: electric container chamber in which several electric components are placed; printed circuit board for controlling all the electric components; printed circuit board mounting portion which has an opened upper end and is used for mounting printed circuit board; and supporting member which is placed on one side of said printed circuit board mounting portion and is used for making the printed circuit board mounting portion and heat-insulating baseplate formed into bottom portion of electric container chamber be mutually spaced and retain a certain distance between them.
Description
Technical field
The invention relates to printed circuit board (PCB) (PCB:Printed circuit board) is installed, the printed circuit plate framework and the heat insulation bottom board that are provided with aperture apparatus bottom having are isolated the both mounting structure of printed circuit board of the electric oven of the structure of set a distance { inventions of The mounting structure ofprinted circuit board for electric-oven}.
Background technology
In general, electric oven is by utilizing ceramic heater (Ceramic heater), heat insulation heater (Halogen heater) and devices such as halogen heater multiple heaters such as (Halogen heater) and HF transmitter, xeothermic cooking machine being carried out in the cooking of sealing.It heats simultaneously to the inside and outside of cooking, and speed is fast, thermal efficiency advantages of higher so have.And because be to use electricity, so security is also high.So its use amount increases gradually.
In the last few years, the kitchen articles that comprise electric oven had the trend made from built-in type gradually.Built-in type (built-in) is meant various electrical parts is arranged on housings, makes in design the industrially preparing process to the one sense.This method can maximum be utilized narrow space, and its decorative effect is also fine, so popular.
Fig. 1 is the schematic diagram of the general electric oven outward appearance of prior art.As shown in the figure, electric oven 10 roughly is the lineal hexahedral shape.Inside is provided with and can holds furnace chamber 20 cooking and that heat.
The both sides of electric oven 10 and rear are provided with side plate 12 and back plate 14.Both sides and rear that side plate 12 and back plate 14 cover electric oven 10, and the outward appearance of formation electric oven 10.The place ahead part and the top of electric oven 10 are open.
The part in electric oven 10 the place aheads, that is, the place ahead of furnace chamber 20 is open.And the place ahead of the opening of furnace chamber 20 is provided with fire door 30, and fire door 30 optionally covers the place ahead of the opening of furnace chamber 20.The upper end of fire door 30 is provided with door handle 32.
The top, the place ahead of electric oven 10, that is, the top front end of furnace chamber 20 is provided with control panel 40.Control panel 40 forms the outward appearance in the place ahead of electric oven 10, simultaneously, which is provided with the operation knob 42 of control electric oven and the display 44 of display working condition etc.
The rear of control panel 40, that is, the top of furnace chamber 20 is provided with electricity storage chamber 50.Electricity storage chamber 50 is as the space of the electrical part that control electric oven 10 is installed, and its inside is provided with the parts such as combination of fans body of magnetoelectricity device, high-tension transformer and cooling usefulness.
Fig. 2 is the part schematic diagram that shows the electric oven back of the printed circuit plate framework that prior art is installed.As shown in the figure, the bottom of electricity storage chamber 50 is provided with the heat insulation bottom board 52 of tetragonal shape.One side of heat insulation bottom board 52 is provided with printed circuit board (PCB) 60.
In general, printed circuit board (PCB) (PCB:Printed circuit board) is fixing and the printing loop substrate of connection electronic unit.That is, the electronic unit of various a lot of quantity is arranged on the flat board of being made by tempered glass fiber or plastics thick and fast, and a loop of the various electronic units of connection is fixed on the loop substrate on the flat board.
Heat insulation bottom board 52 is provided with a plurality of electrical parts such as motor, fan and high-tension transformer.After the printed circuit board (PCB) 60 of control apparatus spare is installed on the printed circuit plate framework 62, be installed in a side of heat insulation bottom board 52.
For holding circuit galley 60, printed circuit plate framework 62 is shapes of its end face bucket identical with the shape of printed circuit board (PCB) 60.For ease of fitting printed circuit board 60, the upper end of printed circuit plate framework 62 is openings.And its bottom contacts with heat insulation bottom board.
Printed circuit plate framework 62 is close to the top of heat insulation bottom board 52, and is arranged on the side of heat insulation bottom board 52 at the connecting elements of screw (Screw) etc.Can control electric oven 10 with the printed circuit board (PCB) 60 that electric wire is connected with various electrical parts.
That is, the user passes on the electrical part of electric oven 10 by printed circuit board (PCB) 60 by the instruction of operating operation turn-knob 42, and makes their work.The work of electrical part is cooked the food of furnace chamber 20 the insides.
At this moment, the state of electric oven 10 and cooking status are presented on the display 44 by printed circuit board (PCB) 60, so that allow the user know.
But there is following problem points in aforesaid prior art: the printed circuit plate framework 62 that is provided with printed circuit board (PCB) 60 be close to heat insulation bottom board 52 above.Also have, heat insulation bottom board 52 forms the bottom of electricity storage chamber 50, and be arranged in abutting connection with furnace chamber 20 top on.
Because heat insulation bottom board 52 be arranged on the closer position of furnace chamber 20 on, so be easy to be subjected to the heat that furnace chamber distributes.This heat passes on the printed circuit plate framework 62 that contacts with heat insulation bottom board 52 by heat insulation bottom board 52.
So, be arranged on printed circuit board (PCB) 60 on the printed circuit board (PCB) 62 and be easy to be subjected to influence by the heat of printed circuit board (PCB) 62 conduction.And, because extra cooling device is not set, so can be subjected to the influence of hot gas on the whole.
Printed circuit board (PCB) 60 carries out maloperation or is damaged under the effect of hot gas, thereby the performance of electric oven 10 is descended.
Summary of the invention
The objective of the invention is to solve the problem points that exists in the above-mentioned prior art and invent out, its purpose is to provide printed circuit board (PCB) is installed, and the printed circuit plate framework and the heat insulation bottom board that are provided with aperture apparatus bottom having are isolated both mounting structure of printed circuit board of the electric oven of the structure of set a distance.
The mounting structure of printed circuit board of electric oven of the present invention to achieve these goals is by following part structure: is arranged in the electricity storage chamber that is provided with a plurality of electricity pieces, and the printed circuit board (PCB) (PCB:Printed circuit board) of control electricity piece; The barrel-shaped shape of upper end open, and the printed circuit board (PCB) installation portion used of fitting printed circuit board; Be arranged on the side of printed circuit board (PCB) the supporting member that the heat insulation bottom board of printed circuit board (PCB) and the bottom that forms electricity storage chamber is spaced a distance.And as feature.
Connect a plurality of aperture apparatus that are formed with as the circulation canal of air on the printed circuit plate framework.
One side of printed circuit plate framework is provided with a plurality of installation projectioies.Projection is installed from the formation protruding upward of the bottom of printed circuit plate framework, and is not higher than the height of the lateral surface of printed circuit plate framework.
Printed circuit board (PCB) is installed in the top that projection is installed by connecting elements.
Aperture apparatus is formed on the outside of printed circuit board (PCB) base of frame.
Also be provided with the installation portion that bending laterally forms on the bottom of supporting member.
Installation portion is combined on top one side of heat insulation bottom board.
As above the present invention of Gou Chenging can prevent the heat conduction to printed circuit board (PCB), and can use inner air cooling printed circuit board (PCB), so can improve job stability.
The effect of invention: in the mounting structure of printed circuit board of aforesaid electric oven of the present invention, the printed circuit plate framework that is provided with printed circuit board (PCB) is under the effect of supporting member, from the set distance of heat insulation bottom board.So the recycle ratio of air is smooth.And air can flow into the aperture apparatus on the bottom of the printed circuit board (PCB) installation portion that is formed on the printed circuit plate framework glibly.
Under the effect of supporting member, contact area is minimized, minimize thereby make from the heat of the furnace chamber conduction of the bottom that is formed on heat insulation bottom board.Can prevent the maloperation or the damage of the printed circuit board (PCB) that causes by hot gas like this.
Also have, in the gap that under effect, forms, produce air and flow by support component.The air that produces flows through aperture apparatus, the cooling printed circuit board (PCB).
As mentioned above, can prevent the maloperation or the damage that cause by hot gas, so the job stability of electric oven is improved.
Description of drawings
Fig. 1 is the schematic diagram of the general electric oven outward appearance of prior art.
Fig. 2 is the part schematic diagram that shows the electric oven back of the printed circuit plate framework that prior art is installed.
Fig. 3 is the front elevation of the fire door of the electric oven of electric oven mounting structure of printed circuit board of the present invention when opening.
Fig. 4 is the schematic diagram of electricity storage chamber of the electric oven of electric oven mounting structure of printed circuit board of the present invention.
Fig. 5 is the schematic diagram of electric oven mounting structure of printed circuit board of the present invention.
Fig. 6 is the skeleton diagram of the air circulation of electric oven mounting structure of printed circuit board of the present invention.
The symbol description of drawing major part:
100: electric oven 200: furnace chamber
300: fire door 300: door handle
400: control panel 420: operation knob
440: display 500: electricity storage chamber
520: heat insulation bottom board 600: printed circuit board (PCB)
700: printed circuit plate framework 720: the printed circuit board (PCB) installation portion
722: strengthen rib 724: projection is installed
724 ': screw hole 740: supporting member
742: installation portion 742 ': connecting hole
760: aperture apparatus
The specific embodiment
Drawing below in conjunction with embodiments of the invention is described in detail.Fig. 3 is the front elevation of the fire door of the electric oven of electric oven mounting structure of printed circuit board of the present invention when opening.As shown in the figure, electric oven 100 roughly is the lineal hexahedral shape.Inside is provided with and can holds furnace chamber 200 cooking and that heat.
Furnace chamber 200 is that the plate with each face of a hexahedral shape that forms front openings forms its outward appearance.The inside of furnace chamber 200 is provided with a plurality of thermals source, can cook the food in the furnace chamber 200 as required.
Simultaneously, the front of the opening of furnace chamber 200 optionally opens and closes under the effect of fire door 300 rotatably.The upper end of fire door 300 is provided with door handle 320.
The top, the place ahead of electric oven 100, that is, the top front end of furnace chamber 200 is provided with control panel 400.Control panel 400 forms the place ahead outward appearance of electric oven 100, which is provided with the operation knob 420 of control electric oven and the display 440 of display working condition etc.
Fig. 4 is the schematic diagram of electricity storage chamber of the electric oven of electric oven mounting structure of printed circuit board of the present invention.As shown in the figure, the rear of control panel 400, that is, the top of furnace chamber 200 is provided with electricity storage chamber 500.
Be provided with the parts such as combination of fans body of magnetoelectricity device, high-tension transformer and cooling usefulness above the heat insulation bottom board 520.Each electrical part is connected on the printed circuit board (PCB) 600 on the side that is arranged on electricity storage chamber 500, and is printed circuit board 600 and controls.
When the action button 420 of printed circuit board (PCB) 600 and the front that is arranged on control panel 400 and display 440 link together, also link together, and control each work with a plurality of electrical parts and the heater that are arranged in the electricity storage chamber 500.
Printed circuit board (PCB) 600 is arranged on printed circuit board (PCB) 600 and has on the printed circuit plate framework 700 of barrel-shaped shape of identical end face.The printed circuit plate framework holds printed circuit board (PCB) 600, and in the set at interval distance of heat insulation bottom board 520.
So, be installed in printed circuit board (PCB) 600 on the printed circuit plate framework 700 away from the set distance of heat insulation bottom board 520.The printed circuit plate framework 700 that is provided with printed circuit board (PCB) 600 by a plurality of screw S be fixed on heat insulation bottom board 520 above.
Fig. 5 is the schematic diagram of electric oven mounting structure of printed circuit board of the present invention.As shown in the figure, printed circuit plate framework 700 is to be made of printed circuit board (PCB) installation portion 720 and supporting member 740.
Printed circuit board (PCB) installation portion 720 forms most of outward appearance of printed circuit plate framework 700.For holding printed circuit board (PCB) 600, show the tetragonal shape identical greatly and constitute with printed circuit board (PCB) 600 shapes.For ease of fitting printed circuit board 600, with the barrel-shaped shape formation of upper end open.
The inside bottom of printed circuit plate framework 700 is provided with the reinforcement rib 722 that direction in length and breadth forms the protrusion of a plurality of grid.Its effect is: make printed circuit board (PCB) 700 at high temperature also can not twist or produce distortion.
Each angle of the bottom of printed circuit board (PCB) installation portion 720 is provided with installs projection 724.Projection 724 is installed is to make and be installed in printed circuit the set distance of the printed circuit board (PCB) on the installation portion 720 600 and the bottom interval of printed circuit board (PCB) installation portion 720, and be not higher than the height of the lateral surface of printed circuit board (PCB) installation portion 720.
And, be provided with screw hole 724 ' above the installation projection 724.Its effect is: when printed circuit board (PCB) 600 be placed in install projection 724 above the time, the screw S and the screw hole 724 ' of fixed printed circuit board 600 usefulness combine.
The bottom outside of printed circuit board (PCB) installation portion 720 is provided with a plurality of aperture apparatus 760 of perforation.Aperture apparatus is the passage that the inner air of electricity storage chamber 500 flows into.Can well cool off the printed circuit board (PCB) 600 that is installed on the printed circuit plate framework 700 in order to make by aperture apparatus 760 leaked-in airs, aperture apparatus 760 preferably is arranged on the bottom outside of printed circuit board (PCB) 600.
On the lateral surface of printed circuit board (PCB) installation portion 720, that is, the left and right sides and the front and back of printed circuit board (PCB) installation portion 720 are provided with supporting member.Supporting member 740 is printed circuit board (PCB) installation portions 720 of making printed circuit plate framework 700 with the set at interval distance of heat insulation bottom board 520.Supporting member 740 prolongs set length downwards and forms on the lateral surface of printed circuit board (PCB) installation portion 720.
So, when printed circuit plate framework 700 is installed in heat insulation bottom board 520 top, can be arranged on the position of the set distance in the top of heat insulation bottom board 520.
The lower end of supporting member 740 also is provided with installation portion 742.Installation portion 742 is that vertical laterally bending forms in the lower end of supporting member 710, and contacts with the top of heat insulation bottom board 520.And printed circuit plate framework 700 is installed on the heat insulation bottom board 520.
Below in conjunction with drawing, the as above effect of the electric oven of the mounting structure of printed circuit board of the employing electric oven of the present invention of formation is described.
Fig. 6 is the skeleton diagram of the air circulation of electric oven mounting structure of printed circuit board of the present invention.As shown in the figure, after electric oven was connected power supply, the electrical part of electric oven 100 was started working, and the food of culinary art furnace chamber 200 inside.
The food of furnace chamber 200 inside is cooked under the effect of elevated temperature heat.Above-mentioned heat flows out to the outside of furnace chamber 200, and is transmitted on the heat insulation bottom board 520.Above heat insulation bottom board 520, that is, 500 li of electricity storage chamber, air begins circulation under the effect of fan.
The printed circuit plate framework 700 that is provided with printed circuit board (PCB) 600 is under the effect of supporting member 700, from the set distance of heat insulation bottom board 520.So producing the air of electricity storage chamber 500 inside in the gap flows.
Flow air flow into the inside of printed circuit plate framework 700 by the aperture apparatus 760 of printed circuit board (PCB) installation portion 720 bottoms in the gap.The printed circuit board (PCB) 600 of leaked-in air cooling settings on the inboard of printed circuit board (PCB) 700.
The present invention as above just is not limited in the above embodiments, in above-mentioned technical scope, is proficient in its principle person and can carries out other various deformation based on the present invention.
Claims (7)
1, a kind of mounting structure of printed circuit board of electric oven is characterized in that being made of following part: the electricity storage chamber that is provided with a plurality of electricity pieces; The printed circuit board (PCB) of control electricity piece; The barrel-shaped shape of upper end open, and the printed circuit board (PCB) installation portion used of fitting printed circuit board; Be arranged on the side of printed circuit board (PCB) the supporting member that the heat insulation bottom board of printed circuit board (PCB) and the bottom that forms electricity storage chamber is spaced a distance.
2, the mounting structure of printed circuit board of electric oven according to claim 1 is characterized in that the printed circuit plate framework is provided with a plurality of aperture apparatus as the perforation of air circulation duct.
3, the mounting structure of printed circuit board of electric oven according to claim 1, a side that it is characterized in that the printed circuit plate framework is provided with a plurality of installation projectioies protruding upward from the bottom of printed circuit board (PCB), and the height that projection is not higher than the lateral surface of printed circuit board (PCB) is installed.
4, the mounting structure of printed circuit board of electric oven according to claim 2 is characterized in that printed circuit board (PCB) is installed in above the installation projection by connecting elements.
5, the mounting structure of printed circuit board of electric oven according to claim 2 is characterized in that aperture apparatus is formed on the outside of bottom of printed circuit board (PCB).
6,, it is characterized in that the lower end of supporting member is provided with the installation portion that vertical laterally bending forms according to the mounting structure of printed circuit board of any one the described electric oven in the claim 1 to 4.
7, the mounting structure of printed circuit board of electric oven according to claim 5 is characterized in that installation portion is arranged on the side above the heat insulation bottom board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014414 CN1891122A (en) | 2005-07-07 | 2005-07-07 | Electric-roaster printed circuit board mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014414 CN1891122A (en) | 2005-07-07 | 2005-07-07 | Electric-roaster printed circuit board mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1891122A true CN1891122A (en) | 2007-01-10 |
Family
ID=37596512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510014414 Pending CN1891122A (en) | 2005-07-07 | 2005-07-07 | Electric-roaster printed circuit board mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1891122A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883512B (en) * | 2007-10-04 | 2013-10-16 | 雀巢产品技术援助有限公司 | Heating device with an integrated thermoblock for a beverage preparation machine |
-
2005
- 2005-07-07 CN CN 200510014414 patent/CN1891122A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883512B (en) * | 2007-10-04 | 2013-10-16 | 雀巢产品技术援助有限公司 | Heating device with an integrated thermoblock for a beverage preparation machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070110 |