CN211355060U - Exhaust structure for oven - Google Patents
Exhaust structure for oven Download PDFInfo
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- CN211355060U CN211355060U CN201921530697.8U CN201921530697U CN211355060U CN 211355060 U CN211355060 U CN 211355060U CN 201921530697 U CN201921530697 U CN 201921530697U CN 211355060 U CN211355060 U CN 211355060U
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Abstract
The utility model relates to an exhaust structure for oven, including the inner bag, be located the last mounting panel of inner bag top and have cooling fan's heat dissipation channel, gas vent and exhaust hole have been seted up on the roof of above-mentioned inner bag and the above-mentioned mounting panel respectively, this gas vent and exhaust hole pass through the permeability cell intercommunication, still include the wind scooper, this wind scooper cover is established on the above-mentioned upper surface of mounting panel and is formed above-mentioned heat dissipation channel and above-mentioned gas vent and be located this heat dissipation channel, still include the induced draft fan, this induced draft fan's impeller is located above-mentioned heat dissipation channel and is located above-mentioned exhaust hole top. Compared with the prior art, when the oven needs to exhaust air rapidly (for example, when high-fat food such as baked meat and the like or food with high water content is baked), the air suction fan works, and the impeller of the air suction fan rotates to form negative pressure above the exhaust hole, so that the air in the inner container can be accelerated to be exhausted into the heat dissipation channel through the exhaust hole.
Description
Technical Field
The utility model relates to an oven field especially relates to an exhaust structure for oven.
Background
The oven is a cooking device for heating food materials by utilizing heat radiation of a heating device, and hot air generated in the baking process of the oven is discharged outside through an exhaust system of the oven. An exhaust system of an existing oven generally comprises an exhaust passage and an exhaust fan, one end of the exhaust passage is communicated with an air outlet of the exhaust fan, the other end of the exhaust passage is communicated with the outside, an exhaust pipe is arranged on an inner container of the oven and is communicated with the exhaust passage, and when the exhaust fan rotates, hot air in the inner container is exhausted into the exhaust passage through the exhaust pipe and is exhausted outside along the exhaust passage through the air outlet of the exhaust fan.
The kind of eating the material has the multiple, the water content of various edible materials is different, current exhaust system when toasting the less edible material of moisture content such as cake pastry wheaten cake, it is better to toast the homogeneity, but when toasting the food that oil content such as meat is high, the oil smoke discharges the effect not good, when toasting the higher food of moisture content simultaneously, steam discharges the effect not good, it is better to lead to steam to remain in the oven inner bag, even flow down or spill over from other exhaust holes of oven along the oven door body, bring not good use experience for the user.
Disclosure of Invention
The utility model aims to solve the technical problem that an exhaust structure for oven that exhaust effect is good is provided to prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an exhaust structure for oven, including the inner bag, be located the last mounting panel of inner bag top and have cooling fan's heat dissipation channel, gas vent and exhaust hole have been seted up respectively on the roof of above-mentioned inner bag and the above-mentioned mounting panel, this gas vent and exhaust hole are through the permeability cell intercommunication, still include the wind scooper, this wind scooper cover is established on the upper surface of the above-mentioned mounting panel and is formed above-mentioned heat dissipation channel and above-mentioned gas vent is located this heat dissipation channel, a serial communication port, still include the suction fan, this suction fan's impeller is located above-mentioned heat dissipation channel and is located above-mentioned exhaust hole top.
Preferably, the heat dissipation fan is located at an air inlet end of the heat dissipation channel, a certain distance is left between an impeller of the air suction fan and the air inlet end of the heat dissipation channel, and the maximum air volume of the air suction fan during working is smaller than the minimum air volume of the heat dissipation fan during working. Thereby can avoid discharging oil smoke and steam to heat dissipation channel through the exhaust hole and spill over from heat dissipation channel's air intake end, promote user's use and experience.
Further, preferably, the suction fan further comprises a fan motor for driving the impeller thereof to rotate, the fan motor is mounted on the top surface of the wind scooper, and the power shaft of the fan motor penetrates through the top wall of the wind scooper and is connected with the shaft hole of the impeller. The fan motor can be cooled through the air outlet of the cooling fan, and the influence of heat transferred during the operation of the oven and heat generated during the operation of the fan motor on the performance of the fan motor is avoided.
Preferably, the exhaust structure of the present invention further comprises a control component for controlling the actual air outlet area of the exhaust port. Therefore, when the exhaust volume of the oven is smaller, the actual air outlet area of the exhaust port can be reduced through the control assembly, so that the heat loss caused by too fast exhaust of the oven can be avoided; when the displacement is great and need exhaust fast, the actual air-out area of gas vent is increased to this control assembly of accessible, cooperates above-mentioned suction fan when necessary, realizes exhausting fast.
Preferably, the top surface of the upper mounting plate is recessed downwards to form a disc-shaped exhaust groove, the exhaust hole is formed in the center of the bottom surface of the exhaust groove, a cover plate is covered on the opening of the exhaust groove, a circular vent hole concentric with the center of the bottom surface of the exhaust groove is formed in the cover plate, the control assembly comprises a control motor, a connecting rod and a baffle plate, a power shaft of the control motor is vertically arranged, the baffle plate is circular and matched with the vent hole in size, one end of the connecting rod is connected with the baffle plate, the other end of the connecting rod is connected with the power shaft of the control motor, the baffle plate can rotate back and forth around the power shaft of the control motor under the driving of the control motor, and further the baffle plate can be switched between a state of completely shielding the vent hole and a state of completely opening the vent.
Further, preferably, the control motor is mounted on the top surface of the wind scooper. The control motor can be cooled through the air outlet of the cooling fan, and the influence of heat transferred during the operation of the oven and heat generated during the operation of the control motor on the performance of the control motor is avoided.
Further, preferably, the cover plate surface on the outer periphery of the vent hole is recessed downward in the circumferential direction to form an annular condensate tank. The condensation water that produces like this among the exhaust process can partly be gathered in this condensate tank, avoids heat dissipation channel's air outlet to form too much comdenstion water and influence user's use experience to the comdenstion water that gathers in the condensate tank can be heated by the heat of oven during operation transmission and evaporate, need not the user and clears up.
Further, preferably, the cover plate is provided with an auxiliary exhaust slit communicated with the exhaust hole. Thus, when the required exhaust amount is small, the vent hole can be closed by the baffle plate, and the exhaust can be performed only through the auxiliary exhaust slit.
Compared with the prior art, the utility model has the advantages of: the utility model discloses an exhaust structure includes the suction fan, and this suction fan's impeller is arranged in above-mentioned heat dissipation channel and is arranged in above-mentioned exhaust hole top. When the oven need be discharged fast like this (for example when toasting high grease food such as meat or the higher food of water content), suction fan work, suction fan's impeller rotates and forms the negative pressure in the top in exhaust hole to can accelerate the gas of inner bag and discharge into in the heat dissipation channel through the exhaust hole.
Drawings
Fig. 1 is a schematic structural view of an exhaust structure in an embodiment of the present invention;
FIG. 2 is a schematic view of the structure in the other direction;
fig. 3 is a sectional view of an exhaust structure according to an embodiment of the present invention;
fig. 4 is an exploded view of the exhaust structure according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, an exhaust structure for an oven includes a liner 1, an upper mounting plate 2, a heat dissipation channel 40 having a heat dissipation fan 5, wherein the upper mounting plate 2 is located above the liner 1, an exhaust port 11 and an exhaust hole 21 are respectively formed on a top wall of the liner 1 and the upper mounting plate 2, the exhaust port 11 and the exhaust hole 21 are communicated through a vent pipe 3, and the exhaust structure further includes an air guide cover 4, the air guide cover 4 is covered on an upper surface of the upper mounting plate 2 to form the heat dissipation channel 40, and the exhaust port 11 is located in the heat dissipation channel 40. In this embodiment, the heat dissipation fan 5 is a cross-flow fan and is located at an air inlet end of the heat dissipation channel 40.
Further, the utility model discloses an exhaust structure still includes suction fan 6, and this suction fan 6's impeller 61 is arranged in above-mentioned heat dissipation channel 40 and is arranged in above-mentioned exhaust hole 21 top. Thus, when the oven needs to exhaust air rapidly (for example, when high-fat food such as baked meat or food with high water content) the suction fan 6 works, the impeller 61 of the suction fan 6 rotates to form negative pressure above the exhaust hole 21, so that the air in the inner container 1 can be accelerated to be exhausted into the heat dissipation channel 40 through the exhaust hole 21. In addition, the suction fan 6 includes a fan motor 62 for driving the impeller 61 to rotate, the fan motor 62 is installed on the top surface of the wind guide cover 4, and the power shaft of the fan motor 62 passes through the top wall of the wind guide cover 4 and is connected with the shaft hole of the impeller 61, so that the fan motor 62 can be cooled by the outlet air of the heat dissipation fan 5, and the influence of the heat transferred during the operation of the oven and the heat generated by the fan motor 62 during the operation on the performance of the oven can be avoided. In this embodiment, the suction fan 6 is a centrifugal fan, and the impeller 61 of the suction fan 6 has a diameter of 60 to 68mm and a rotation speed of 700 to 1000 r/s.
Preferably, a certain distance is left between the impeller 61 of the suction fan 6 and the air inlet end of the heat dissipation channel 40, and the maximum air volume of the suction fan 6 during operation is smaller than the minimum air volume of the heat dissipation fan 5 during operation. Thereby can avoid discharging oil smoke and steam to heat dissipation channel 40 through exhaust hole 21 and overflowing from the air intake end of heat dissipation channel 40, promote user's use and experience.
In order to further improve the exhaust effect, the exhaust structure further comprises a control component 7 for controlling the actual air-out area of the exhaust port 11, so that when the exhaust volume of the oven is smaller, the actual air-out area of the exhaust port 11 can be reduced by the control component 7, and the heat loss caused by too fast exhaust of the oven can be avoided; when the displacement is great and need quick exhaust, the actual air-out area of gas vent 11 is increased to this control assembly 7 of accessible, cooperates above-mentioned suction fan 6 when necessary, realizes quick exhaust. In this embodiment, the top surface of the upper mounting plate 2 is recessed downward to form a disk-shaped exhaust groove 22, the exhaust hole 21 is opened at the center of the bottom surface of the exhaust groove 22, the open upper cover of the exhaust groove 22 is provided with a cover plate 8, and the cover plate 8 is provided with a circular vent hole 81 concentric with the center of the bottom surface of the exhaust groove 22. The control assembly 7 comprises a control motor 71, a connecting rod 72 and a baffle 73, wherein a power shaft of the control motor 71 is vertically arranged, the baffle 73 is circular and matched with the size of the vent hole 81, one end of the connecting rod 72 is connected with the baffle 73, the other end of the connecting rod is connected with the power shaft of the control motor 71, the baffle 73 can rotate back and forth along the vent hole 81 by taking the power shaft of the control motor 71 as a center under the driving of the control motor 71, and further, the control assembly can be switched between a state of completely shielding the vent hole 81 and a state of completely opening the vent hole 81.
Preferably, the control motor 71 is installed on the top surface of the air guiding cover 4, so that the control motor 71 can be cooled by the air discharged from the heat dissipation fan 5, and the influence of the heat transferred during the operation of the oven and the heat generated by the control motor 71 during the operation on the performance of the oven is avoided. In addition, the surface of the cover plate 8 at the periphery of the vent hole 81 is recessed downwards along the circumferential direction to form a circular condensed water tank 82, so that part of condensed water generated in the exhaust process can be accumulated in the condensed water tank 82, the phenomenon that the use experience of a user is influenced by excessive condensed water formed at the air outlet of the heat dissipation channel 40 is avoided, and the condensed water accumulated in the condensed water tank 82 can be heated and evaporated by heat transferred when the oven works without being cleaned by the user. Meanwhile, the cover plate 8 is provided with an auxiliary exhaust slit 83 communicating with the exhaust hole 21, so that when the required exhaust amount is small, the vent hole 81 can be closed by the baffle plate 73, and exhaust is performed only through the auxiliary exhaust slit 83. In this embodiment, two auxiliary exhaust slits 83 are symmetrically disposed on two sides of the vent hole 81, and each auxiliary exhaust slit 83 is in the shape of a circular arc.
Claims (8)
1. An exhaust structure for an oven comprises an inner container (1), an upper mounting plate (2) positioned above the inner container (1) and a heat dissipation channel (40) with a heat dissipation fan (5), wherein the top wall of the inner container (1) and the upper mounting plate (2) are respectively provided with an exhaust port (11) and an exhaust hole (21), the exhaust port (11) and the exhaust hole (21) are communicated through a vent pipe (3),
the heat dissipation structure is characterized by further comprising an air guide cover (4), wherein the air guide cover (4) covers the upper surface of the upper mounting plate (2) to form the heat dissipation channel (40), the exhaust port (11) is located in the heat dissipation channel (40), and the heat dissipation structure is further characterized by further comprising an air suction fan (6), and an impeller (61) of the air suction fan (6) is located in the heat dissipation channel (40) and above the exhaust hole (21).
2. The exhaust structure according to claim 1, wherein the heat dissipation fan (5) is located at an air inlet end of the heat dissipation channel (40), a certain distance is left between the impeller (61) of the suction fan (6) and the air inlet end of the heat dissipation channel (40), and a maximum air volume of the suction fan (6) in operation is smaller than a minimum air volume of the heat dissipation fan (5) in operation.
3. The exhaust structure according to claim 1, wherein the suction fan (6) further comprises a fan motor (62) for driving the impeller (61) to rotate, the fan motor (62) is mounted on the top surface of the wind scooper (4) and the power shaft thereof penetrates through the top wall of the wind scooper (4) to be connected with the shaft hole of the impeller (61).
4. An exhaust structure according to claim 1, 2 or 3, further comprising a control unit (7) for controlling the actual air outlet area of the exhaust port (11).
5. The exhaust structure according to claim 4, wherein the top surface of the upper mounting plate (2) is recessed downward to form a disk-shaped exhaust groove (22), the exhaust hole (21) is opened at the center of the bottom surface of the exhaust groove (22), the opening of the exhaust groove (22) is covered with a cover plate (8), the cover plate (8) is opened with a circular vent hole (81) concentric with the center of the bottom surface of the exhaust groove (22),
the control assembly (7) comprises a control motor (71), a connecting rod (72) and a baffle plate (73), wherein a power shaft of the control motor (71) is vertically arranged, the baffle plate (73) is circular in shape and matched with the size of the vent hole (81), one end of the connecting rod (72) is connected with the baffle plate (73), the other end of the connecting rod is connected with the power shaft of the control motor (71), and the baffle plate (73) can rotate back and forth along the vent hole (81) by taking the power shaft of the control motor (71) as a center under the driving of the control motor (71) and can enable the vent hole (81) to be completely shielded or completely opened.
6. Exhaust structure according to claim 5, characterized in that said control motor (71) is mounted on the top surface of said wind scooper (4).
7. The exhaust structure according to claim 5, wherein the plate surface of the cover plate (8) on the periphery of the vent hole (81) is recessed downward in the circumferential direction to form a ring-shaped condensation water tank (82).
8. Exhaust structure according to claim 5, characterized in that the cover plate (8) is provided with an auxiliary exhaust slit (83) communicating with the exhaust hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530697.8U CN211355060U (en) | 2019-09-15 | 2019-09-15 | Exhaust structure for oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530697.8U CN211355060U (en) | 2019-09-15 | 2019-09-15 | Exhaust structure for oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211355060U true CN211355060U (en) | 2020-08-28 |
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ID=72158170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921530697.8U Active CN211355060U (en) | 2019-09-15 | 2019-09-15 | Exhaust structure for oven |
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| Country | Link |
|---|---|
| CN (1) | CN211355060U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274023A (en) * | 2020-09-30 | 2021-01-29 | 宁波方太厨具有限公司 | Roast little cooking equipment |
| CN112716313A (en) * | 2021-01-28 | 2021-04-30 | 宁波方太厨具有限公司 | Exhaust speed self-adaptation adjustable culinary art exhaust structure and baking cooking device |
| CN114431729A (en) * | 2022-02-28 | 2022-05-06 | 海信家电集团股份有限公司 | Oven and control method thereof |
| CN114468792A (en) * | 2022-01-14 | 2022-05-13 | 宁波方太厨具有限公司 | Steaming and baking oven and exhaust control method thereof |
-
2019
- 2019-09-15 CN CN201921530697.8U patent/CN211355060U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274023A (en) * | 2020-09-30 | 2021-01-29 | 宁波方太厨具有限公司 | Roast little cooking equipment |
| CN112716313A (en) * | 2021-01-28 | 2021-04-30 | 宁波方太厨具有限公司 | Exhaust speed self-adaptation adjustable culinary art exhaust structure and baking cooking device |
| CN112716313B (en) * | 2021-01-28 | 2022-05-17 | 宁波方太厨具有限公司 | Exhaust speed self-adaptation adjustable culinary art exhaust structure and baking cooking device |
| CN114468792A (en) * | 2022-01-14 | 2022-05-13 | 宁波方太厨具有限公司 | Steaming and baking oven and exhaust control method thereof |
| CN114431729A (en) * | 2022-02-28 | 2022-05-06 | 海信家电集团股份有限公司 | Oven and control method thereof |
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