CN1718143A - Guiding channel of convection type oven - Google Patents
Guiding channel of convection type oven Download PDFInfo
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- CN1718143A CN1718143A CN 200410019888 CN200410019888A CN1718143A CN 1718143 A CN1718143 A CN 1718143A CN 200410019888 CN200410019888 CN 200410019888 CN 200410019888 A CN200410019888 A CN 200410019888A CN 1718143 A CN1718143 A CN 1718143A
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- deflector
- flow
- guiding channel
- convection type
- baking box
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Abstract
An airflow diversion channel for the convection oven having casing and internal cavity containing several said airflow diversion channels is composed of the first and the second airflow diversion plates which are opposite. Its advantages are high heating speed, high central temp and high air flow.
Description
Technical field
The invention relates to baking box, particularly be the flow-guiding channel of convection type baking box.Mainly be to be distributed in the cavity rapidly and uniformly, can carry out the flow-guiding channel shape of the convection type baking box of fast cooking and even culinary art thus about the high temperature air that makes delivery outlet output.
Background technology
Fig. 1 is the box house and the cavity bonding state figure of the convection oven of prior art, and Fig. 2 is the casing primary structure figure among Fig. 1, and Fig. 3 is the convection type baking box of prior art, observes the sidewall figure of casing direction from cavity side.As shown in the figure, common convection type baking box is meant to have possessed when food etc. is cooked, the baking box that the enforceable heat that heater is sent carries out convection current has evenly and the characteristics of heat food fast with respect to the baking box that adopts common heating means.
That is, general convection type baking box mainly is to be made of cavity 1 that is provided with cooking food and casing 2, and casing 2 comprises: heater 3; The fan 4 that the mandatory hot gas that heater 3 is produced circulates; The air of fan semi-finals system circulation is outputed to delivery outlet 5 formations of cavity 1 inside.In cavity 1 inside, the center of fan 4 is provided with suction inlet 6, and air is gone into casing 2 in that the effect of fan 4 is dirty, and smooth more the circulating of hot-air in order to make delivery outlet 5 outputs is provided with several flow-guiding channels 7 near delivery outlet 5.
Specifically, the convection type baking box mainly is the circulation cooking food that utilizes the hot gas of heater 3 generations, heater 3 is bent to form circular configuration, when heater 3 is connected power supply, be arranged on fans 4 in the heater 3 and also connect power supply and begin rotation, the being forced to property of hot gas that produces of heater 3 circulates thus.
And, several flow-guiding channels 7 of prior art design adopt single board making, the air-flow that guiding fan 4 produces, play effect to each delivery outlet uniform distribution high temperature gas flow, vertical curve is banded haply, be arranged on the inside of casing, the high temperature air that circulates under the effect of fan 4 is exported by delivery outlet 5 in diversed passage 7 guiding backs thus.
The porous shape delivery outlet 5 that the hot gas that is guided by flow-guiding channel 7 is provided with by the cavity side from the casing 2 that fan 4 and heater 3 etc. are set exports the inside of cavity 1 to.Usually, delivery outlet is arranged on about edge angle place of side wall surface, adopts loose structure.
And, be provided with the suction inlet 6 that communicates with cavity 1 at the center of fan 4, make from cavity 1 and force inhaled air to suck casing 2 inside, utilize heater 3 to heat once more thus, export cavity 1 inner loop once more to by delivery outlet 5.
Fig. 4 is in the convection type baking box of prior art, when the temperature in cavity centre reaches 200 ℃ the curve map of variations in temperature of process.As shown in the figure, in the convection type baking box of prior art, the cavity 1 inner maximum temperature when normally cooking is 254 ℃, and minimum temperature is 220 ℃, and temperature difference is greatly about 34 ℃.
And in the convection type baking box of prior art, after the running beginning, the temperature of cavity central point reaches time of 200 ℃ approximately needs 7 minutes, and after 10 minutes, the temperature at cavity center will reach 230 ℃.In the convection type baking box of aforesaid prior art, the high temperature air that delivery outlet 5 output backs flow into cavity 1 inside can't be distributed to cavity 1 inside uniformly, because internal temperature differs greatly, the bigger deviation of inner generation, can't evenly heat, and, can't carry out fast cooking owing to the time that reaches design temperature is longer.
Summary of the invention
In order to solve the problem that above-mentioned technology exists, the invention provides a kind of shape of flow-guiding channel of convection type baking box, the high temperature air of delivery outlet output is distributed in the cavity rapidly and uniformly, can carry out fast cooking and evenly culinary art thus.Flow-guiding channel with respect to prior art, significantly increased the air mass flow that each delivery outlet outputs to inside cavity, therefore behind the running certain hour, the temperature at cavity center not only exceeds much with respect to prior art, and because the flow-guiding channel of relative prior art, significantly increased the flow that flows into the high temperature air of inside cavity from each delivery outlet, therefore, near the center of placement food temperature deviation is very little, thereby can evenly cook, and the cavity central temperature reaches time of 200 ℃ and shortens to some extent with respect to prior art, thereby has shortened cooking time greatly.
To achieve these goals, the technical solution used in the present invention is: convection type baking box of the present invention comprises cavity and casing, delivery outlet at box house respective chamber side wall surface is provided with several flow-guiding channels, it is characterized in that described flow-guiding channel comprises: the 1st deflector that is located at described tank floor; Be oppositely arranged with the 1st deflector, and the 2nd deflector that maintains a certain distance constitutes.
Vertical width of described the 2nd deflector is less than vertical width of the 1st deflector.
Vertical width of described the 2nd deflector is within the 1/3-2/3 scope of the vertical width of the 1st deflector.
The transverse width of described the 2nd deflector should be within the 1/3-2/3 scope of the transverse width of the 1st deflector.
Described the 2nd air deflector is within the 1/3-2/3 scope of the spacing between the 1st deflector and the relative sidewall.
Shape has a certain degree and is combined into integral body between described the 1st deflector and the 2nd deflector.
The invention has the beneficial effects as follows: the flow-guiding channel of convection type baking box of the present invention is with respect to the flow-guiding channel of prior art, the air mass flow that outputs to inside cavity from each delivery outlet has increased by 25%, therefore after startup, when having passed through 10 minutes, the temperature in centre is high approximately 13 ℃ with respect to existing flow-guiding channel.
And, the present invention has increased by 25% because each passage of existing relatively flow-guiding channel flows into the air mass flow of inside cavity, therefore the temperature at cavity center reaches 200 ℃ existing relatively flow-guiding channel of time and has shortened about 1 minute and 10 seconds, has shortened cooking time thus.
And, near the temperature deviation in cavity center that prevents food of the present invention, low more than 10 ℃ with respect to the convection type baking box of prior art, can evenly heat thus.
Description of drawings
Fig. 1 is the casing and the cavity bonding state figure of the convection oven of prior art,
Fig. 2 is the casing primary structure figure of Fig. 1,
Fig. 3 is in the convection type baking box of prior art, observes the sidewall figure of casing direction from cavity side,
Fig. 4 is in the convection type baking box of prior art, when the temperature in cavity centre reaches 200 ℃, and the curve map of variations in temperature,
Fig. 5 is the primary structure and the channel design figure of the box house of convection type baking box of the present invention,
Fig. 6 is in the convection type baking box of the present invention, when the temperature in cavity centre reaches 200 ℃, and the curve map of variations in temperature,
Fig. 7 is the structure chart of another embodiment of the flow-guiding channel of Fig. 5.
Among the figure:
1: cavity 2: casing
3: heater 4: fan
5: delivery outlet 6: suction inlet
7,8: 9: the 1 deflectors of flow-guiding channel
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 5 is the primary structure and the flow-guiding channel structure chart of the box house of convection type baking box of the present invention, Fig. 6 is in the convection type baking box of the present invention, when the temperature in cavity centre reaches 200 ℃, the curve map of variations in temperature.
As shown in the figure, flow-guiding channel 8 of the present invention be separately positioned on delivery outlet near, comprise that the 1st deflector 9 and the 2nd deflector 10 constitute, and the 1st deflector 9 and the 2nd deflector 10 combine by deflector connector 11, and these structures are to be formed by a plate bending, the high temperature air stream of fan semi-finals system generation is at first run into after the 2nd deflector 10 thus, runs into the 1st deflector 9 again.
Promptly, the high temperature air stream that is produced by fan semi-finals system at first with after 10 collisions of the 2nd deflector produces eddy current, and the pressure of these high temperature air eddy current increases to some extent with respect to the flow-guiding channel of prior art, collides with the 1st deflector 9, and the high temperature air after pressure increases thus is by delivery outlet 5 outputs.
Thus, because the amount of the high temperature air exported increases to some extent, therefore more hot gas is delivered in the food in the cavity 1 faster, and owing to the hot gas that outputs to cavity 1 inside is more, faster, it is farther to transmit distance, therefore, the air of more cooking food will flow in the suction inlet 6 faster.
And, show through test for several times, vertical width h of the 2nd deflector 10 of flow-guiding channel should be less than vertical width H of described the 1st flow-guiding channel 9, and its ratio is that vertical width h of the 2nd deflector 10 should be within the 1/3-2/3 scope of the vertical width H of the 1st deflector.
And the transverse width w of the 2nd deflector 10 should be within the 1/3-2/3 scope of the transverse width W of the 1st deflector 9, and the 2nd deflector 10 should be within the 1/3-2/3 scope of the spacing L between the 1st deflector and the relative sidewall.
In the convection type baking box of the present invention's design, the cavity 1 inner maximum temperature under the normal cooking status is 265 ℃, and minimum temperature is 235 ℃, and its temperature difference is roughly 30 ℃.
Convection type baking box of the present invention is after running beginning, and the temperature of inside cavity reaches 200 ℃ of required times and is approximately 5 minutes and 50 seconds, and after 10 minutes, the temperature at cavity center will reach 245 ℃.
Promptly, in the convection type baking box of flow-guiding channel of the present invention, the air that enters inside cavity after the delivery outlet output can circulate uniformly in inside cavity, has not only reduced temperature deviation, and shortened the time that reaches design temperature, therefore can carry out fast cooking.
Fig. 7 is another embodiment of the flow-guiding channel among Fig. 5.
The principal character of the flow-guiding channel among the figure is that shape has a certain degree between the 1st deflector 9 and the 2nd deflector 10, and combination does not between the two have deflector connector 11.
Flow-guiding channel of the present invention adopts the structure that is made of a plurality of deflectors, increased the pressure that flows into the high temperature air of inside cavity thus, increased the air capacity that flows into inside cavity thus, not only reduced the temperature deviation of inside cavity, and can carry out fast cooking.
Claims (6)
1. the flow-guiding channel of a convection type baking box, the convection type baking box comprises cavity (1) and casing (2), delivery outlet (5) at the inner respective chamber of casing (2) (1) side wall surface is provided with several flow-guiding channels (8), it is characterized in that described flow-guiding channel (8) comprising: the 1st deflector (9) that is located at described casing (2) bottom surface; Be oppositely arranged with the 1st deflector (9), and the 2nd deflector (10) that maintains a certain distance constitutes.
2. the flow-guiding channel of convection type baking box according to claim 1 is characterized in that, vertical width of described the 2nd deflector (10) is less than vertical width of the 1st deflector (9).
3. the flow-guiding channel of convection type baking box according to claim 2 is characterized in that, vertical width of described the 2nd deflector (10) is within 1/3～2/3 scope of the vertical width of the 1st deflector (9).
4. the flow-guiding channel of convection type baking box according to claim 1 is characterized in that, the transverse width of described the 2nd deflector (10) should be within 1/3～2/3 scope of the transverse width of the 1st deflector (9).
5. the flow-guiding channel of convection type baking box according to claim 1 is characterized in that, described the 2nd deflector (10) is within 1/3～2/3 scope of the spacing L between the 1st deflector (9) and the relative sidewall.
6. the flow-guiding channel of convection type baking box according to claim 1 is characterized in that, shape has a certain degree and is combined into integral body between described the 1st deflector (9) and the 2nd deflector (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019888 CN1718143A (en) | 2004-07-08 | 2004-07-08 | Guiding channel of convection type oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019888 CN1718143A (en) | 2004-07-08 | 2004-07-08 | Guiding channel of convection type oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1718143A true CN1718143A (en) | 2006-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019888 Pending CN1718143A (en) | 2004-07-08 | 2004-07-08 | Guiding channel of convection type oven |
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| CN (1) | CN1718143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618164A (en) * | 2017-02-23 | 2017-05-10 | 珠海格力电器股份有限公司 | Cooking utensil |
-
2004
- 2004-07-08 CN CN 200410019888 patent/CN1718143A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618164A (en) * | 2017-02-23 | 2017-05-10 | 珠海格力电器股份有限公司 | Cooking utensil |
| CN106618164B (en) * | 2017-02-23 | 2019-08-30 | 珠海格力电器股份有限公司 | Cooking utensil |
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