CN85204277U - Weighing device of heating cooker - Google Patents
Weighing device of heating cooker Download PDFInfo
- Publication number
- CN85204277U CN85204277U CN 85204277 CN85204277U CN85204277U CN 85204277 U CN85204277 U CN 85204277U CN 85204277 CN85204277 CN 85204277 CN 85204277 U CN85204277 U CN 85204277U CN 85204277 U CN85204277 U CN 85204277U
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- China
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- rotating disk
- supporting axis
- electrode plate
- plate
- battery lead
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- Expired - Lifetime
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Abstract
The utility model relates to a weighing device of heating cooker. The weight of load bearing articles arranged on a rotating plate in a heating chamber can be measured as thrust direction addendum modification of a rotating plate supporting shaft. And then the change of gap size of a plate electrode subjacent the rotating plate supporting shaft can transform thrust direction addendum modification into electrostatic capacity. The weight can be measured by the detection of the change of electrostatic capacity. The utility model is characterized in that a water retaining component is arranged on the utility model to prevent water, coffee, milk and other liquid overflowing from the heating chamber flow down the place between a shaft bearing portion and the electrode plate along the rotating plate supporting shaft. The weighing performance can be kept stably by adopting the measure.
Description
The present invention relates to the Weighing apparatus that high frequency instrument well heater etc. is housed and the heating device of rotating disk is housed, particularly relate to and to prevent that fluid from flowing into and dust invades mechanism's part that the rotating disk Weighing apparatus goes.
Modern high-frequency electronic food heater is on the rotating disk mechanism in heating chamber Weighing apparatus to be housed, thereby can detect the Item Weight that is placed on above the rotating disk.This device is in order to carry out cooking according to the weight that has recorded in the process of automatic-cooking, and food is placed on just can automatic weighing on the rotating disk.
Yet, when overflowing on the supporting axis that liquid such as the water that comes or coffee splash rotating disk from heating chamber, liquid will flow in the member of Weighing apparatus along the rotating disk supporting axis, for example between bearing portions, charger and electrode, the result can not carry out weighing accurately, can not reach desired automatic-cooking.This is the shortcoming that has earlier in the device.
In addition, also have the problem of foul intrusions such as dust, thereby fail to carry out weighing work accurately.
The present invention carries out in order to address the above problem.Be provided with and prevent to invade the Weighing apparatus of the heating device of structure producing dysgenic fluid or dust in the weighing process.
From following detailed description, can understand other purpose of the present invention and the scope of application.But, must know the concrete device that the present invention just of these detailed descriptions and concrete example selects for use, just when the usefulness that lays down a definition.Because for those people who is proficient in this technology, seen following detailed description, the various changes and improvements in thinking of the present invention and the scope all can be conspicuous.
In order to achieve the above object, listed a kind of Weighing apparatus of heating device in one embodiment of the invention.In this device, the weight that is placed on object on the heating chamber inner rotary table is measured as the thrust direction addendum modification on the rotating disk supporting axis, then the addendum modification of this thrust is transformed into the variation of electrostatic capacitance with the gap size between the battery lead plate of above-mentioned rotating disk supporting axis below, measure this capacitance variations, just detect the weight of article.An above-mentioned electrode plate is made the container shapes of downward opening, in the battery lead plate of this container shapes, holding another electrode plate, thereby in heating chamber, spill the liquid such as water, coffee or milk that slop over out, although spatter on an above-mentioned electrode plate, also still accurately on-ground weigher go out the weight of article.
In the above-described embodiment, flow on bearing portions and the above-mentioned battery lead plate along above-mentioned rotating disk supporting axis, also can on the rotating disk supporting axis, load onto water blocking member in order to prevent to spill in the heating chamber liquid such as water, coffee or milk that slop over out.
Below listed detailed description and accompanying drawing will help to sharpen understanding to of the present invention.Illustrate and the accompanying drawing usefulness of example as an illustration only, therefore, can not limit to some extent the present invention and content thereof.
Fig. 1 is the vertical schematic sectional view of the Weighing apparatus of heating device of the present invention;
Fig. 2 is the present invention in order to prevent that liquid from flowing in the Weighing apparatus, and the water blocking member outward appearance oblique view of on the rotating disk supporting axis, installing;
Fig. 3 is the vertical profile enlarged drawing of Weighing apparatus electrode part of the present invention;
Fig. 4 is the outward appearance oblique view of the last support plate of Weighing apparatus of the present invention.
Below with reference to the accompanying drawings an embodiment of the Weighing apparatus of heating device of the present invention is described.
Fig. 1 is the vertical schematic sectional view of the Weighing apparatus of heating device of the present invention.In Fig. 1, label 1 is for being located at the round turntable of heating chamber 2 inner bottom surface, and this is a circular plate of dress on the supporting plate 3 of round turntable.These and the magnetron that constitutes the high-frequency electronic food heater critical piece, the fan (all not drawing among the figure) of well heater or cooling usefulness etc. is installed among the shell together.4 is the supporting axis of rotating disk, is fixed on the central lower of rotating disk supporting plate 3, and the bottom surface opening 5 that passes heating chamber 2 stretches out from the below of heating chamber 2.The ball 8 of rotating disk supporting axis 4 usefulness head bearings 6, lower bearing 7 and axle lower end holds on, and can rotate freely, and is provided with fixing gear 9 on rotating disk supporting axis 4, it with motor 10 on driven wheel 11 engagements, when heating, rotate.Above-mentioned head bearing 6 is fixed on the support plate 12; Above-mentioned lower bearing 7 is fixed on the following support plate 13 that is processed into flute profile with Screw 14 respectively with motor 10.
15.15 be leaf spring, fixed block 16,17 is gripped from two sides up and down in the end respectively.One of them leaf spring fixed block 16 is installed on the fixed electorde installing plate 18, and electrode installing plate 18 is securely fixed in again on the diapire of heating chamber 2.And be fixed with on another leaf spring fixed block 17 above-mentioned on support plate 12 and support plate 13 down, L shaped movable electrode installing plate 19 also is installed simultaneously.Therefore, movable electrode installing plate 19 is to be fulcrum by two boards spring 15.15, with fixed electorde installing plate 18 these sides, pulls out the principle of Ba Er mechanism according to the building, along with the load that is added on the rotating disk supporting axis 4 moves up and down pro rata.
20 is fixed plate electrode, flatly is contained in the lower end of fixed electorde installing plate 18 across insulating material 22.21 for the movable electrode plate across insulating material 22 ' the be contained in lower end of movable electrode installing plate 19.Movable electrode plate 21 is installed in the below of said fixing battery lead plate 20 facing to fixed plate electrode 20.
The 23rd, be positioned at the top of head bearing 6, be contained in the discoideus water blocking member on the rotating disk supporting axis 4.Be fixed on the bead that usefulness is installed with Screw 24 as shown in Figure 2.Gap between it and the supporting axis 4 will seal, and the liquid that flows down on the rotating disk supporting axis is cut off fully by this part.The shape of water blocking member 23 might not be non-limiting for circular slab can not.
In order to make the liquid that flows down from water blocking member 23 be unlikely the battery lead plate gap that flows between fixed plate electrode 20 and the movable electrode plate 21 on every side, shown in the 3rd figure, the periphery bending downwards with fixed plate electrode 20 forms water retaining wall 20a.20a.Fixed plate electrode 20 is made open container downwards.In the fixed plate electrode 20 of such container shapes, accommodating movable electrode plate 21.Therefore, even if drip water on fixed plate electrode 20, liquid such as coffee or milk also are to fall from water retaining wall 20a.20a all around along the outside, thereby do not have the situation that flow into the battery lead plate gap and adhere to.25.25 be the lead of drawing from above-mentioned battery lead plate 20,21, its free end is connected on the base plate of oscillatory circuit (not drawing among the figure).
The principle of work of above-mentioned electric capacity displacement type Weighing apparatus below is described.When storing on the rotating disk 1 had food, the weight of food made spring plank 15.15 deflections, and movable electrode installing plate 19 moves downwards.Because movable electrode plate 21 moves, thereby the gap size of 21 of fixed plate electrode 20 and movable electrode plates is increased downwards.The relational expression of battery lead plate 20 and 21 s' electrostatic capacitance C is: C=ε=(s)/(d).S is the subtend area of battery lead plate in the formula, and d is the battery lead plate gap size, and ε is a specific inductive capacity.According to this relational expression, the result reduces electrostatic capacitance, and its electrostatic capacitance is transformed into frequency by oscillatory circuit, along with the variation of weight, and can be as frequency and determined come out.
The present invention is owing to be with above-mentioned simple structure, when user's error, cause the water in the heating chamber 2, coffee, liquid such as milk spill and spill, and when rotating disk supporting axis 4 flows down, though liquid can be dropped in above the fixed plate electrode 20, still can along around flow to water retaining wall 20a.20a and drip down, thereby can not flow into the battery lead plate gap and adhere to get off, can not cause harmful effect, so can keep the weighing performance constant to Weighing apparatus.
In addition, be provided with the cooling of need drying of members such as transformer, magnetron in the battery lead plate of the said structure part.To this, this structure also can prevent to be adhered between the gap of battery lead plate by " dust " that blowing is brought into, thereby can prevent because dust adheres to thereby make weighing detect the reduction of performance.
The electrode of making container shapes can be as movable electrode plate 21, and its container shapes can not but not necessarily leave no choice but to limit the appearance that becomes in the illustrated embodiment as above-mentioned.
Above-described battery lead plate container shapes, the section configuration of its battery lead plate are " U " font.
In addition, in order to prevent that liquid from flowing into Weighing apparatus, the liquid that can not that flows down around the water blocking member 23 is splashed down between fixed plate electrode 20 and movable electrode plate 21, and liquid is directed to suitable direction discharges, above-mentioned support plate 12 can also be made " dustpan " shape shown in the 4th figure.Owing to take such way, the size of last support plate 12 just can make to be enough to cover fully above-mentioned battery lead plate 20,21 such big and can prevent that really liquid from splashing down on above-mentioned battery lead plate 20,21.Above-mentioned so-called " dustpan " shape shape be meant the riser 12 that on three edges around the last support plate 12 installing prevents liquid and flow out ', make that fallen liquid Only can flow along the direction of arrow the 4th figure around the water blocking member 23, cause can not splashing down in the shape of battery lead plate 20,21.Support plate 12 can be made different shape on this, with flowing to the certain direction of direct fluid that goes up on the support plate, delivers to the unlikely position of splashing down on battery lead plate 20,21 and gets final product.
The present invention is measured the weight of bearing article on the mensuration heating chamber inner rotary table as the thrust direction addendum modification on the rotating disk supporting axis, then the addendum modification utilization of this thrust direction is contained in that gap size between the battery lead plate of above-mentioned rotating disk supporting axis below changes and the variation that is transformed into electrostatic capacitance, measure electrostatic capacitance change and come just energy sense weight, in the Weighing apparatus of this heating device, make the container shapes of opening downwards for one with above-mentioned battery lead plate, make in the battery lead plate of container shapes at this piece, hold another electrode plate down.Even if thereby the liquid such as water, coffee or milk that heating chamber is slopped over out spatter from an above-mentioned electrode plate and drip down, also can prevent to flow in the gap of battery lead plate attaching.Can also prevent from addition to deposit in " dust " inflow battery lead plate gap.In other words, adopt simple structure, can make the Weighing apparatus of heating device keep the weighing performance of expection, therefore, its practical value is higher.
In addition, the Weighing apparatus of heating device of the present invention, for flowing to bearing portions and above-mentioned battery lead plate along above-mentioned rotating disk supporting axis, the liquid such as water, coffee or milk that prevent to splash down taked way at rotating disk supporting axis installing water blocking member from heating chamber, even therefore the liquid such as water, coffee or milk that overflow in the heating chamber splash down on the supporting axis of rotating disk, can not make weighing generation deviation yet, thereby can weigh work accurately.
As mentioned above, because it is of the present invention simple in structure, when user's error, after the interior liquid such as water, coffee or milk of heating chamber are slopped over out, when rotating disk supporting axis 4 flows down, can prevent that also liquid from flowing to bearing 6,7 and battery lead plate 20,21 places, thereby can not produce any harmful effect, make the property retention of weighing constant Weighing apparatus.And the shape of water blocking member 23, size, installation position and assembly structure etc. are not subjected to the restriction of illustrated embodiment, can adopt the rubber elastomeric material to make yet, and compress into turntable shaft 4.
Make the U shaped sections to one in the battery lead plate of above explanation, another electrode plate then is housed in the battery lead plate of this piece U font, so as to preventing inflows such as fluid; And adopt water blocking member to prevent inflows such as fluid.These two kinds of methods are used separately respectively, and its effect is very remarkable.But as the two is used in combination with this, is more producing effect aspect the inflow that prevents fluid.
The present invention is as above-mentioned.Obviously, the present invention can have various variations.This type of change must not be considered as having deviated from thinking of the present invention, or exceeds category of the present invention.And all this type of changes, and should be included in without exception in the category of following claims.
Claims (2)
1, a kind of heating device Weighing apparatus, in its heating chamber, be provided with the rotating disk of a bearing article weight, below this rotating disk, be provided with supporting axis, below supporting axis, be provided with two electrode plate, it is characterized by has an electrode plate to be made into the container shapes of downward opening in described two electrode plate, accommodate another electrode plate in this electrode plate of this container shapes; When on the heating chamber inner rotary table during load capacity, this weight affacts described rotating disk and makes the displacement downwards of this supporting axis, this displacement pass to the battery lead plate of described container shapes and cause this battery lead plate and above-mentioned another electrode plate of holding in it between gap size change, detect the variation that changes the electrostatic capacitance that causes owing to the gap size between described two electrode plate, thereby determine weight by testing circuit.
2, it is characterized in that according to the heating device Weighing apparatus of claim 1 that the rotating disk supporting axis is provided with and prevent to flow to water blocking member on bearing portions and the described battery lead plate along described rotating disk supporting axis that the gap between this water blocking member and described supporting axis is a hermetically-sealed construction by the liquid that slops over out in the heating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85204277 CN85204277U (en) | 1984-11-18 | 1985-10-12 | Weighing device of heating cooker |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59-157970 | 1984-11-18 | ||
| CN 85204277 CN85204277U (en) | 1984-11-18 | 1985-10-12 | Weighing device of heating cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85204277U true CN85204277U (en) | 1986-09-24 |
Family
ID=4799624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85204277 Expired - Lifetime CN85204277U (en) | 1984-11-18 | 1985-10-12 | Weighing device of heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85204277U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005048797A1 (en) * | 2003-11-07 | 2005-06-02 | Zhiming Deng | A food treating apparatus with a weighing scale |
| CN108576832A (en) * | 2013-03-15 | 2018-09-28 | 全美公司 | For preparing the method and system for assisting user when cooking combination according to formula |
| WO2019006926A1 (en) * | 2017-07-03 | 2019-01-10 | 詹华春 | Coffee-specific electronic scale |
| CN111102609A (en) * | 2019-12-10 | 2020-05-05 | 广东美的厨房电器制造有限公司 | Cooking equipment, food weight detection method and device and storage medium |
-
1985
- 1985-10-12 CN CN 85204277 patent/CN85204277U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005048797A1 (en) * | 2003-11-07 | 2005-06-02 | Zhiming Deng | A food treating apparatus with a weighing scale |
| CN108576832A (en) * | 2013-03-15 | 2018-09-28 | 全美公司 | For preparing the method and system for assisting user when cooking combination according to formula |
| WO2019006926A1 (en) * | 2017-07-03 | 2019-01-10 | 詹华春 | Coffee-specific electronic scale |
| CN111102609A (en) * | 2019-12-10 | 2020-05-05 | 广东美的厨房电器制造有限公司 | Cooking equipment, food weight detection method and device and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CU02 | Correction of gazette and description of patent for utility model |
Correction item: Patent agency Correct: Patent Agency of China Council For The Promotion Of International Trade False: China Patent Agent Ltd. Number: 39 Page: 16 Volume: 2 |
|
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |