CN1565324A - Electric cooker cooler - Google Patents
Electric cooker cooler Download PDFInfo
- Publication number
- CN1565324A CN1565324A CN 03130145 CN03130145A CN1565324A CN 1565324 A CN1565324 A CN 1565324A CN 03130145 CN03130145 CN 03130145 CN 03130145 A CN03130145 A CN 03130145A CN 1565324 A CN1565324 A CN 1565324A
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- CN
- China
- Prior art keywords
- cooling device
- rice cooker
- electric rice
- water conservancy
- conservancy diversion
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- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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Abstract
Disclosed is a cooling device for electric cooker, which comprises an outer casing, a control printed circuit board, a heat sink, a heat sinking fan and a support mechanism. Therein, the cooker can be set inside the outer casing and the bottom of the outer casing forms a suction inlet and discharge outlet. The control printed circuit board locates in the rear side inside the outer casing. The heat sink is mounted on the heating element of the control printed circuit board, away from the lower part of which, in horizontal direction with some distance, a heat sinking fan is installed. The heat sinking fan is installed on one side of the suction inlet of the outer casing to sucking the air. The device for supporting the cooker is of a concave tripod structure, one of its feet is a flow guiding foot which can concentrate and guide the air flow circulates by means of the heat sinking. The invention make it easier to conduct distribute working between the display part and the control printed circuit board. It lowers the integrate height of the electric cooker, enhances the cooling efficiency of the heating source, simplifies the integral structure and make it easy for assemble production of the products.
Description
Technical field
The present invention relates to a kind of invention of electric rice cooker.Furtherly, relate to relevant air flow structure by improvement electric rice cooker inside, the electric rice cooker whole height that descended simultaneously, has improved the cooling device of the electric rice cooker of heat dispersion.
Background technology
Usually, electric rice cooker is to be a kind of household electrical appliances that heating source carries out cooking with the electric energy.It can keep the high pressure conditions in the pot for cooking rice, makes heating-up temperature be higher than heating-up temperature under the normal barometric pressure.Thereby, can promptly finish the cooking operation.
As shown in Figure 1, electric rice cooker comprises main body 1 and lid assembly 2 compositions that pot for cooking rice 4 is installed.Wherein, lid assembly 2 is connected on the main body 1 by articulated section 3, and along with the rotating open-close main body 1 of articulated section 3.
Main body 1 inside is provided with electric calorifie installation 5, can heat pot for cooking rice 4.Electric calorifie installation 5 is incubated and is used electric hot plate by actuating coil, and inner bag 5a forms.When carrying out the cooking operation, actuating coil produces induced current.And when insulation, insulation produces less heat with electric hot plate.Place pot for cooking rice among the inner bag 5a.
In having the electric rice cooker of said structure,, carry out the cooking operation by actuating coil 5 heating pots for cooking rice 4.When carrying out the cooking operation, the inside line of lid assembly 2 tightly is combined in the upper end of pot for cooking rice 4, and dump valve can keep closed condition.Thereby when inner water seethed with excitement, because of producing steam, pot for cooking rice 4 pressure inside can be higher than normal barometric pressure.
In addition, along with pressure uprises, the fluidizing point of water also can be than the fluidizing point under the normal barometric pressure (100 degree) height.Therefore, rice can be cooked fast.After the cooking end of job, stop the heating of electric calorifie installation 5, within a certain period of time the pressure in the pot for cooking rice 4 is maintained under original pressure, carry out vexed meal operation.Afterwards, steam discharge valve starts, and the steam in the pot for cooking rice 4 is discharged, and carries out step-down.Then, utilize electric calorifie installation 5, the temperature of pot for cooking rice 4 is incubated by uniform temperature.
The front of main body 1 possesses display window 6, shows contents such as electric rice cooker operate condition.Its installed inside shows printed circuit board (PCB) 10 and control printed circuit board 11.Wherein, show that printed circuit board (PCB) 10 possesses parts such as display floater.Control printed circuit board 11 is installed in and shows that near the printed circuit board (PCB) 10, control shows the action of printed circuit board (PCB) 10 and electric calorifie installation 5.Control printed circuit board 11 possesses the element 11a of the heating usefulness such as semiconductor element that produce high temperature in the work.For cooling heating element 11a, heat has heat abstractor 15 on heater element 11a.
The bottom surface of main body 1 possesses heat emission fan 13.These heat emission fan 13 protection control printed circuit board 11 are avoided the temperatures involved that electric calorifie installation 5 produces.
Along with heat emission fan 13 work, flow to air to inside from main body 1 outside.Behind the heater element 11a of air cooling control printed circuit board 11 etc., loop-body 1 inside discharges.
Under the conventional art, aforesaid electric rice cooker there are the following problems point.Possess in lid 2 under the situation of display part, control printed circuit board 11 is located at the front of main body.Therefore, connect the electric wire that shows printed circuit board (PCB) and control printed circuit board, walk around the rear side and the articulated section 3 of main body 1, be connected on the demonstration printed circuit board (PCB).Thereby, cause the length meeting of electric wire elongated, problems such as inner wiring operation difficulty.
Heater element 11a is the main pyrotoxin of electric rice cooker.For abundant cooling heating element 11a, must allow heat abstractor 15 possess large tracts of land.And, for the air that flows to by heat emission fan 13 is concentrated on heat abstractor one side, be installed in heat emission fan 13 the below of heat abstractor 15.But, when heat emission fan 13 is installed in the below of heat abstractor 15, should form the certain intervals on the above-below direction between heat emission fan 13 and the heat abstractor 15, and they are also accounting for certain space separately.Therefore, the problem that can cause the electric rice cooker whole height to uprise.
Also have, when heat emission fan 13 is not located at the below of heat abstractor 15,, can not concentrate on the air that flows to by heat emission fan 13 one side of heat abstractor 15 because do not possess the device of establishing in addition.Therefore, can not cool off pyrotoxin fully.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and forming on the lid under the situation of display part, and control printed circuit board is located at the rear side of main body, and in the place ahead of control printed circuit board heat emission fan is set.With this, the wiring operation between display part and the control printed circuit board is more prone to, simultaneously, the cooling device of the electric rice cooker of the whole height of minimizing main body.
In addition, the present invention forms air guide structure on the triangular form supporter that supports pot for cooking rice, concentrates the heater element of cooling control printed circuit board with this.And, on flow-guiding structure, heat emission fan is mounted to one.Thereby the cooling effectiveness of raising pyrotoxin is simplified unitary construction simultaneously, is convenient to the assembling production of product.
The technical solution adopted in the present invention is: a kind of cooling device of electric rice cooker is by the bottom surface that can place the shell of pot for cooking rice in inside, is provided with suction inlet and outlet; Be positioned at the control printed circuit board of enclosure rear side; The heat abstractor of on the heater element of control printed circuit board, installing; Be positioned at the heat abstractor lower end part and with its in the horizontal direction on the position of certain intervals, and be positioned at the heat emission fan of the suction air that suction inlet one side of shell installs; The bracing or strutting arrangement that is positioned at enclosure, support pot for cooking rice constitutes.
The cooling device of electric rice cooker provided by the invention is also by comprising that the bottom surface forms the shell of suction inlet and outlet; Be positioned at the control printed circuit board of enclosure rear side; The heat abstractor of on the heater element of control printed circuit board, installing; In the installed inside of the suction inlet of shell, suck the heat emission fan of extraneous air; The pot for cooking rice of supporting housing inside constitutes the bracing or strutting arrangement of heat emission fan inhaled air to the heat abstractor water conservancy diversion simultaneously.
Electric rice cooker cooling device provided by the invention, its bracing or strutting arrangement has recessed tripod structure, can support pot for cooking rice, and a pin is arranged is the water conservancy diversion pin that possesses flow-guiding structure, can concentrate water conservancy diversion to the air that is circulated by heat emission fan to the side surface direction of pot for cooking rice.
Possess as above the present invention of structure, the electric rice cooker cooling device that provides has following invention effect.Installing under the situation of display part on the lid, in the present invention control printed circuit board is being located at the rear of main body, heat emission fan is being located at the control printed circuit board front side.Thereby, wiring operation between display part and the control printed circuit board is become be more prone to, simultaneously, reduced the whole height of main body.
In addition, the present invention forms air guide structure on the triangular form supporter that supports pot for cooking rice, concentrates the heater element of cooling control printed circuit board with this.And, on flow-guiding structure, heat emission fan is mounted to one.Thereby, improved the cooling effectiveness of pyrotoxin, simplified unitary construction simultaneously, be convenient to the assembling production of product.
Description of drawings
Fig. 1 is under the conventional art, electric rice cooker internal structure vertical section schematic diagram.
Fig. 2 is an electric rice cooker internal structure vertical section schematic diagram of the present invention;
Fig. 3 is an electric rice cooker internal structure schematic bottom view of the present invention;
Fig. 4 is an electric rice cooker of the present invention chassis floor map;
Fig. 5 is an electric rice cooker support device structure schematic diagram of the present invention.
Critical piece in the accompanying drawing:
51: main body 52: lid
53: articulated mounting 54: display part
55: shell 55a: the 2nd outlet
56: chassis 56a: suction inlet
56b: the 1st outlet 60: inner bag
61: actuating coil 65: pot for cooking rice
68: horizontal support plate 68a: the circulation of air hole
70: supporter 71,72: feet
73: water conservancy diversion pin 80: control printed circuit board
81: heater element 83: heat abstractor
85: heat emission fan
Embodiment
Below, provide specific embodiment in conjunction with the accompanying drawings, the present invention is described in detail.
Fig. 2 is an electric rice cooker internal structure vertical section schematic diagram of the present invention; Fig. 3 is an electric rice cooker internal structure schematic bottom view of the present invention.
As shown in Figure 2, wherein symbol 51 is for possessing the main body of pot for cooking rice 65 and electric calorifie installation in inside, and symbol 52 can open and close the lid of the pot for cooking rice 65 that is positioned at main body 51 for to be combined on the main body 51 by articulated mounting 53.
In order to allow the user confirm the state of electric rice cooker easily, on lid 52, be provided with display part 54.And display part 54 possesses the printed circuit board (PCB) of demonstration 54a.
Fig. 4 is the floor map on electric rice cooker of the present invention chassis 56.Suction inlet 56a is formed on the position after leaning on relatively in the chassis 56, and the 1st outlet 56b is formed on position forward relatively in the chassis.Certainly, in order to prevent to enter foreign matter, on suction inlet 56a and outlet 56b, filter structure is set and is advisable to enclosure.
In order to heat pot for cooking rice 65, possesses electric calorifie installation in the shell 55.Electric calorifie installation comprises actuating coil 61 and inner bag 60 compositions.Actuating coil 61 produces induced current, can heat pot for cooking rice 65.Have the inner bag 60 of container shapes, its outside is provided with actuating coil 61, and inside can be put pot for cooking rice 65 into.
For the inner bag 60 that supports built-in pot for cooking rice 65, be provided with bracing or strutting arrangement in shell 55 inside.Bracing or strutting arrangement is made up of horizontal support plate 68 and triangular form supporter 70.Horizontal support plate 68 is located at around the inner bag 60 and between shell 55 medial surfaces.Triangular form supporter 70 is combined on the horizontal support plate 68 by structures such as screws, supports the bottom of inner bag 60.
In the inside of shell 55, on the rearward position of inner bag 60, vertical fixing control printed circuit board 80.Control printed circuit board 80 is connected with actuating coil 61 parts such as grade with showing printed circuit board (PCB) 54a, can control electric rice cooker.Control printed circuit board 80 is provided with the heater element 81 that is made of the device that can generate heat in the work such as semiconductor element.For cooling heating element 81, heat abstractor 83 is set on the heater element 81.
For with air cooling-down mode cooling heat radiator 83, in the inboard of suction inlet 56a, with the lower end part of heat abstractor 83 in the horizontal direction on the position of certain intervals, heat emission fan 85 is set.This heat emission fan 85 can suck extraneous air by force.Here, heat emission fan 85 is located on the triangular form supporter 70, and is fixed into one with it.
Below, be the center with Fig. 5, with reference to Fig. 2 and Fig. 3,, be elaborated to supporter 70.
That is, supporter 70 is formed by two feets 71,72 with the water conservancy diversion pin 73 that feet 71,72 links into an integrated entity.Wherein, the inner bag 60 in feet 71,72 supporting housings 55.And water conservancy diversion pin 73 with feet 71,72 together support inner bags 60 in, heat emission fan 85 inhaled airs, to heat abstractor 83 direction water conservancy diversion.
The end of each pin 71,72,73 of supporter 70 is formed with flange part 70a.By flange part 70a, utilize parts such as screw that supporter 70 is fixed on the horizontal support plate 68.
Water conservancy diversion pin 73 is made up of fan joint portion 73a and diversion division 73b.Heat emission fan 85 is combined on the fan joint portion 73a of 4 angular shape, is combined into one with water conservancy diversion pin 73.Diversion division 73b extends upward along inner bag 60 from fan joint portion 73a.In addition, the amplitude of water conservancy diversion pin 73 is wideer relatively than the amplitude of two feets 71,72.
Below, the effect of electric rice cooker cooling device of the present invention is described.
At first, heat emission fan 85 is combined into one with supporter 70, and has a pin to form water conservancy diversion pin 73 in the supporter 70, can be heat emission fan 85 inhaled airs to heat abstractor 83 1 side water conservancy diversion.Thereby, can simplify the structure that is provided with of heat emission fan 85, simultaneously, need not establish in addition under the situation of air guide device, also can improve the cooling effectiveness of the control printed circuit board 80 that comprises heater element 81 air conducting to heat abstractor 83 1 sides.
Also have, heat emission fan 85 is not arranged on the tight below of control printed circuit board 80 and heat abstractor 83, and is arranged on the below of inner bag 60.Thereby, can increase under the situation of electric rice cooker whole height, also can allow control printed circuit board 80 and heat abstractor have enough sizes by design condition.
Among the present invention, after heat emission fan 85 started, as shown in Figure 2, main body 51 air outside flow to shell 55 inside by the suction inlet 56a on chassis 56.Flow to the air of shell 55 inside, flow through heat emission fan 85 after, water conservancy diversion pin 73 water conservancy diversion of supported body 70 flow to heat abstractor 83 and control printed circuit board 80, cool off control printed circuit board 80 and heater element 81 by heat exchange.
Like this, in finishing the air of cooling effect, some the 2nd outlet 55a by control printed circuit board side after 80s outwards flows out.Remaining air is by the circulation of air hole 68a of horizontal support plate 68 rear sides, upper space to main body 51 flows, again by the circulation of air hole 68a of horizontal support plate 68 front sides, mobile afterwards to the lower space of main body 51, discharge to the both sides, below of electric rice cooker by the 1st tap 56a then.
Claims (16)
1. the cooling device of an electric rice cooker is characterized in that, is by the bottom surface of the shell (55) that can place pot for cooking rice (56) in inside, is provided with suction inlet (56a) and outlet; Be positioned at the control printed circuit board (80) of the inner rear side of shell (55); Heater element (81) in control printed circuit board (80) is gone up the heat abstractor of installing (83); Be positioned at heat abstractor (83) lower end part and with its in the horizontal direction on the position of certain intervals, and be positioned at the heat emission fan (85) of the suction air that suction inlet (56a) side of shell (55) installs; Being positioned at shell (55) bracing or strutting arrangement inner, that support pot for cooking rice (56) constitutes.
2. the cooling device of an electric rice cooker is characterized in that, is by comprising that the bottom surface forms the shell (55) of suction inlet (56a) and outlet; Be positioned at the control printed circuit board (80) of the inner rear side of shell (55); Heater element (81) in control printed circuit board (80) is gone up the heat abstractor of installing (83); In the installed inside of the suction inlet (56a) of shell (55), suck the heat emission fan (85) of extraneous air; The pot for cooking rice of supporting housing inside (56) constitutes the bracing or strutting arrangement of heat emission fan (85) inhaled air to the heat abstractor water conservancy diversion simultaneously.
3. the cooling device of electric rice cooker according to claim 1 and 2 is characterized in that, also is provided with outlet (55a) on the trailing flank of described shell (55).
4. the cooling device of electric rice cooker according to claim 1 and 2 is characterized in that, in the described shell (55), suction inlet (56a) is arranged on the rear side position of bottom surface, and outlet (56b) is arranged on the position, front side of bottom surface.
5. the cooling device of electric rice cooker according to claim 4 is characterized in that, described outlet is arranged on the both sides of shell bottom surface.
6. the cooling device of electric rice cooker according to claim 1 and 2, it is characterized in that, described bracing or strutting arrangement is the supporter (70) by the interior pot for cooking rice of supporting housing (55) (56), and from supporter (70) prolong that the back forms, and water conservancy diversion pin (73) formation of an air that flows to by heat emission fan (85) to heat abstractor (83) direction water conservancy diversion.
7. the cooling device of electric rice cooker according to claim 6 is characterized in that, described supporter (70) has the triangular form structure, and one of them pin forms water conservancy diversion pin (73).
8. the cooling device of electric rice cooker according to claim 6 is characterized in that, goes up fixedly heat emission fan (85) at water conservancy diversion pin (73).
9. the cooling device of electric rice cooker according to claim 1 and 2 is characterized in that, the inboard of described shell (55) is provided with the horizontal support plate (68) that is formed with many openings (68a).
10. the cooling device of electric rice cooker according to claim 9 is characterized in that, described bracing or strutting arrangement is assembled on the horizontal support plate (68).
11. the cooling device of electric rice cooker according to claim 1 and 2, it is characterized in that, the inboard horizontal support plate (68) that is formed with many openings (68a) that is provided with of described shell (55), bracing or strutting arrangement is by the supporter (70) of the interior pot for cooking rice of supporting housing (55) (65), and after prolonging, supporter (70) forms, and water conservancy diversion pin (73) composition of the air that flows to by heat emission fan (85) to heat abstractor direction water conservancy diversion, by suction inlet (56a) inhaled air, flow through heat emission fan (85), water conservancy diversion pin (73), heat abstractor (85), the rear side circulation of air hole (68a) of horizontal support plate (68), flow out through outlet (56b) in the circulation of air hole, front side (68a) of horizontal support plate (68).
12. the cooling device of electric rice cooker according to claim 1 and 2 is characterized in that, described heat emission fan (85) is positioned at the below of pot for cooking rice (65), and heat abstractor (85) is positioned at the rear of pot for cooking rice.
13. the cooling device of an electric rice cooker, it is characterized in that, its bracing or strutting arrangement has recessed tripod structure, can support pot for cooking rice (65), and it is the water conservancy diversion pin (73) that possesses flow-guiding structure that a pin is arranged, can be being concentrated water conservancy diversion by the air of heat emission fan (85) circulation to the side surface direction of pot for cooking rice (65).
14. the cooling device of electric rice cooker according to claim 13 is characterized in that, the end of described each pin of tripod is formed with flange part (70a), can be fixed on the outer bottom of the inner bag (60) of electric rice cooker.
15. the cooling device of electric rice cooker according to claim 13 is characterized in that, goes up heat emission fan (85) is integral with it at described water conservancy diversion pin (73).
16. the cooling device according to claim 13 or 14 or 15 described electric rice cookers is characterized in that, than other pin that do not form flow-guiding structure, its amplitude is wide relatively at described water conservancy diversion pin (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130145 CN1565324A (en) | 2003-06-17 | 2003-06-17 | Electric cooker cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130145 CN1565324A (en) | 2003-06-17 | 2003-06-17 | Electric cooker cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1565324A true CN1565324A (en) | 2005-01-19 |
Family
ID=34469523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03130145 Pending CN1565324A (en) | 2003-06-17 | 2003-06-17 | Electric cooker cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1565324A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2398172A1 (en) * | 2010-08-31 | 2013-03-14 | Bsh Electrodomésticos España, S.A. | Domestic appliance |
| CN106419495A (en) * | 2016-10-25 | 2017-02-22 | 珠海格力电器股份有限公司 | Electric heating cooker and insect prevention structure thereof |
| CN107969908A (en) * | 2016-10-24 | 2018-05-01 | 飞利浦（嘉兴）健康科技有限公司 | The cooling air duct construction of IH electric pressure pots |
-
2003
- 2003-06-17 CN CN 03130145 patent/CN1565324A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2398172A1 (en) * | 2010-08-31 | 2013-03-14 | Bsh Electrodomésticos España, S.A. | Domestic appliance |
| CN107969908A (en) * | 2016-10-24 | 2018-05-01 | 飞利浦（嘉兴）健康科技有限公司 | The cooling air duct construction of IH electric pressure pots |
| CN106419495A (en) * | 2016-10-25 | 2017-02-22 | 珠海格力电器股份有限公司 | Electric heating cooker and insect prevention structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |