CN216060250U - Electric appliance with circuit board heat insulation structure - Google Patents
Electric appliance with circuit board heat insulation structure Download PDFInfo
- Publication number
- CN216060250U CN216060250U CN202122400406.7U CN202122400406U CN216060250U CN 216060250 U CN216060250 U CN 216060250U CN 202122400406 U CN202122400406 U CN 202122400406U CN 216060250 U CN216060250 U CN 216060250U
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- circuit board
- heat insulation
- door frame
- cooking chamber
- main body
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Abstract
The utility model provides an electric appliance with a circuit board heat insulation structure, which comprises a shell and a door body, wherein a cooking chamber is formed at the lower part of the shell, a control chamber is formed at the upper part of the shell, the cooking chamber is provided with a cooking chamber outlet, the door body can be arranged at the cooking chamber outlet in an opening-closing manner, the shell is provided with a door frame, the door body is rotatably connected to the door frame, and a gas inlet is arranged on the door frame; the fan assembly is arranged in the shell, the circuit board heat insulation structure comprises a circuit board main body and a heat insulation part, the upper part of the door frame is provided with a window for operation, the circuit board main body is assembled at the window, the heat insulation part is at least provided with a heat insulation baffle plate, and the heat insulation baffle plate is arranged on the door frame or the circuit board main body and is positioned above the gas inlet; with the heat insulating baffle, the gas entering the control chamber from the gas inlet is blocked by the heat insulating baffle. The utility model can eliminate the heat transfer influence of the high temperature on the circuit board while quickly dissipating the high temperature at the door body, and has the advantages of compact structure and good heat insulation effect.
Description
Technical Field
The utility model belongs to the technical field of household appliances, and particularly relates to an electric appliance with a circuit board heat insulation structure.
Background
The main principle of the baking tool is that air is rapidly heated through a heating wire at the top, then rapidly circulating heat flow is formed inside a food basket through a high-power fan, finally a crisp surface layer is formed on the surface of the food, and simultaneously water inside the food is locked, so that the taste of common fried food which is fragrant and crisp is finally achieved.
In the prior art, in the electrical appliances, the circuit board is directly arranged in the control room, and the gas flowing in the control room is utilized for heat dissipation;
however, in such an electrical appliance, a local high temperature phenomenon exists at the door body, and this part of heat also needs to be dissipated in time to eliminate the potential safety hazard caused by the long-term high temperature, and for convenience of operation, the circuit board is often arranged at a position close to the door body so as to be convenient for a user to use, so this part of heat also causes heat transfer influence on the circuit board.
Therefore, how to solve the local high temperature phenomenon at the door body and eliminate the influence of the high temperature on the heat transfer of the circuit board is a problem which needs to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an electric appliance with a circuit board heat insulation structure, which is used for eliminating the heat transfer influence of the high temperature on the circuit board while quickly dissipating the high temperature at the door body and has the advantages of compact structure and good heat insulation effect.
In order to achieve the above object, the present invention provides an electric appliance with a circuit board heat insulation structure, comprising a housing formed as a cooking chamber at a lower portion thereof and a control chamber at an upper portion thereof, the cooking chamber having a cooking chamber outlet, and a door openably-closably provided at the cooking chamber outlet, wherein:
the shell is provided with a door frame, the door body is rotatably connected to the door frame to open or close an outlet of the cooking chamber, and a gas inlet is formed in the position, corresponding to the edge of the closed door body, on the door frame;
at least one fan assembly is arranged in the shell and comprises a motor, an upper fan and a lower fan, wherein the upper fan and the lower fan are driven by the motor;
the circuit board heat insulation structure comprises a circuit board main body and a heat insulation part, wherein the upper part of the door frame is provided with a window for operation, the circuit board main body is assembled at the window, the heat insulation part is at least provided with a heat insulation baffle plate, and the heat insulation baffle plate is arranged on the door frame or the circuit board main body and is positioned above the gas inlet;
wherein gas entering the control chamber from the gas inlet is blocked by the thermal barrier.
According to another embodiment of the present invention, the circuit board body has a display screen, a base plate and a circuit board, the circuit board is disposed on the base plate, the base plate is fixedly connected to the door frame and presses the display screen against the window, wherein the heat insulation baffle is disposed on the base plate and below the circuit board.
According to another embodiment of the present invention, the circuit board is disposed on the substrate in a clamping manner.
According to another embodiment of the utility model, the thermal shield extends rearwardly a distance greater than half the thickness of the circuit board body.
According to another embodiment of the present invention, the thermal barrier is a flat plate having an angle with the horizontal plane, the angle being ± 30 °.
The utility model has the following beneficial effects:
according to the utility model, the gas inlet is formed in the door frame, the gas flows under the action of the upper fan, so that high-temperature gas at the door body is quickly dispersed, meanwhile, under the action of the heat insulation baffle, gas entering the control chamber from the gas inlet is blocked by the heat insulation baffle, so that the influence of the high-temperature gas on the circuit board is avoided, meanwhile, heat at the circuit board is quickly discharged, the circuit board is kept in a normal temperature range, and the door frame has the advantages of compact structure and good heat insulation effect.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of an electric appliance in embodiment 1 of the present invention;
FIG. 2 is an internal schematic view of an electric appliance according to embodiment 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of an electric appliance according to embodiment 1 of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
fig. 5 is a back view of the door frame according to embodiment 1 of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
The present embodiment provides an electrical appliance with a circuit board heat insulation structure, as shown in fig. 1 to 5, including a housing 100 and two door bodies 200.
Two cooking chambers 101 are formed in a lower portion of the case 100, a control chamber 102 is formed in an upper portion of the case 100, the cooking chamber 101 has a cooking chamber outlet, and two door bodies 200 are openably and closably provided at the cooking chamber outlets of the two cooking chambers 101.
The casing 100 has a door frame 300, the door body 200 is rotatably connected to the door frame 300 to open or close the outlet of the cooking chamber, wherein a gas inlet 301 is disposed on the door frame 300 at a position corresponding to an edge of the closed door body 200, wherein the gas inlet 301 is disposed on a top area of the door frame 300 in the present embodiment, and the gas inlet 301 specifically includes a plurality of strip-shaped holes 302.
A fan assembly 400 is arranged in the casing 100, the fan assembly 400 comprises a motor 401, an upper fan 402 and a lower fan 403 which are driven by the motor 401, the lower fan 403 is positioned in the cooking chamber 101 to cooperate with the heating assembly 500 to generate heating air flow, and the upper fan 402 is positioned in the control chamber 102 to generate heat dissipation air flow;
the circuit board heat insulation structure 600 includes a circuit board main body 610 and a heat insulation part 620, the upper part of the door frame 300 is provided with a window 310 for operation, the circuit board main body 610 is assembled at the window 310, the heat insulation part 620 has a heat insulation baffle 621, the heat insulation baffle 621 is arranged on the circuit board main body 610, and is positioned above the gas inlet 301;
specifically, the thermal insulation barrier 621 protrudes rearward by more than half the thickness of the circuit board main body 610.
Further, the heat insulation baffle 621 is in a flat plate shape, and an included angle is formed between the heat insulation baffle 621 and the horizontal plane, the included angle is ± 30 °, and the included angle between the heat insulation baffle 621 and the horizontal plane in this embodiment is-10 °, as shown in fig. 4.
In the present embodiment, by using the thermal insulation barrier 621, the gas entering the control chamber 102 from the gas inlet 301 is blocked by the thermal insulation barrier 621, so that the gas cannot directly flow to the circuit board main body 610, and the influence of the gas entering the control chamber 102 from the gas inlet 301 on the circuit board main body 610 is eliminated.
More specifically, the circuit board main body 610 has a display screen 611, a substrate 612 and a circuit board 613, the circuit board 613 is disposed on the substrate 612, the substrate 612 is fixedly connected to the door frame 300 and presses the display screen 611 to the window 310, and the thermal insulation barrier 621 is located on the substrate 612 and below the circuit board 613.
As shown in fig. 5, the circuit board 613 is preferably mounted on the substrate 612 in a clamping manner.
In this embodiment, the gas inlet 301 disposed at the door frame 300 forms a flow under the action of the upper fan, so as to rapidly dissipate the high-temperature gas at the door 200, and simultaneously, under the action of the thermal baffle 621, the gas entering the control chamber 102 from the gas inlet 301 is blocked by the thermal baffle 621, so as to prevent the high-temperature gas from affecting the circuit board 613, and simultaneously, the heat at the circuit board 613 is rapidly exhausted, so as to maintain the circuit board 613 within a normal temperature range.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the utility model, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (5)
1. An electric appliance with a circuit board heat insulation structure, comprising a casing and a door body, wherein a cooking chamber is formed at the lower part of the casing, a control chamber is formed at the upper part of the casing, the cooking chamber is provided with a cooking chamber outlet, the door body is arranged at the cooking chamber outlet in an opening-closing way, and the door body is characterized in that,
the shell is provided with a door frame, the door body is rotatably connected to the door frame to open or close the outlet of the cooking chamber, and a gas inlet is formed in the position, corresponding to the edge of the closed door body, on the door frame;
at least one fan assembly is arranged in the shell and comprises a motor, an upper fan and a lower fan, wherein the upper fan and the lower fan are driven by the motor;
the circuit board heat insulation structure comprises a circuit board main body and a heat insulation part, wherein a window for operation is arranged at the upper part of the door frame, the circuit board main body is assembled at the window, the heat insulation part is at least provided with a heat insulation baffle, and the heat insulation baffle is arranged on the door frame or the circuit board main body and is positioned above the gas inlet;
wherein gas entering the control chamber from the gas inlet is blocked by the thermal barrier with the thermal barrier.
2. The electrical apparatus with circuit board heat insulating structure as claimed in claim 1, wherein the circuit board main body has a display screen, a base plate and a circuit board, the circuit board is disposed on the base plate, the base plate is fixedly connected to the door frame and presses the display screen against the window, and wherein the heat insulating barrier is disposed on the base plate and under the circuit board.
3. The electrical apparatus with circuit board thermal insulation structure of claim 2, wherein the circuit board is arranged on the substrate in a clamping manner.
4. The electrical apparatus with circuit board insulation as defined in claim 1, wherein said insulation barrier projects rearward a distance exceeding half of the thickness of said circuit board body.
5. The electrical apparatus with circuit board thermal insulation structure of claim 1, wherein the thermal insulation baffle is in a flat plate shape, and forms an included angle with a horizontal plane, and the included angle is ± 30 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021111101542 | 2021-09-18 | ||
| CN202111110154 | 2021-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216060250U true CN216060250U (en) | 2022-03-18 |
Family
ID=80258728
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122400406.7U Active CN216060250U (en) | 2021-09-18 | 2021-09-30 | Electric appliance with circuit board heat insulation structure |
| CN202122397548.2U Active CN215993705U (en) | 2021-09-18 | 2021-09-30 | Heat insulation device |
| CN202122400411.8U Active CN216060252U (en) | 2021-09-18 | 2021-09-30 | Lighting device |
| CN202111163741.8A Pending CN115836809A (en) | 2021-09-18 | 2021-09-30 | Device for making food |
| CN202122397544.4U Active CN215867175U (en) | 2021-09-18 | 2021-09-30 | Baffle detection device that targets in place |
| CN202122400405.2U Active CN216008185U (en) | 2021-09-18 | 2021-09-30 | Door opening and closing device and electric appliance |
| CN202122400407.1U Active CN216060251U (en) | 2021-09-18 | 2021-09-30 | Heating device |
| CN202122400412.2U Active CN215993707U (en) | 2021-09-18 | 2021-09-30 | Electric appliance with good heat dissipation effect |
| CN202122397559.0U Active CN215993706U (en) | 2021-09-18 | 2021-09-30 | Door frame structure |
Family Applications After (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122397548.2U Active CN215993705U (en) | 2021-09-18 | 2021-09-30 | Heat insulation device |
| CN202122400411.8U Active CN216060252U (en) | 2021-09-18 | 2021-09-30 | Lighting device |
| CN202111163741.8A Pending CN115836809A (en) | 2021-09-18 | 2021-09-30 | Device for making food |
| CN202122397544.4U Active CN215867175U (en) | 2021-09-18 | 2021-09-30 | Baffle detection device that targets in place |
| CN202122400405.2U Active CN216008185U (en) | 2021-09-18 | 2021-09-30 | Door opening and closing device and electric appliance |
| CN202122400407.1U Active CN216060251U (en) | 2021-09-18 | 2021-09-30 | Heating device |
| CN202122400412.2U Active CN215993707U (en) | 2021-09-18 | 2021-09-30 | Electric appliance with good heat dissipation effect |
| CN202122397559.0U Active CN215993706U (en) | 2021-09-18 | 2021-09-30 | Door frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (9) | CN216060250U (en) |
-
2021
- 2021-09-30 CN CN202122400406.7U patent/CN216060250U/en active Active
- 2021-09-30 CN CN202122397548.2U patent/CN215993705U/en active Active
- 2021-09-30 CN CN202122400411.8U patent/CN216060252U/en active Active
- 2021-09-30 CN CN202111163741.8A patent/CN115836809A/en active Pending
- 2021-09-30 CN CN202122397544.4U patent/CN215867175U/en active Active
- 2021-09-30 CN CN202122400405.2U patent/CN216008185U/en active Active
- 2021-09-30 CN CN202122400407.1U patent/CN216060251U/en active Active
- 2021-09-30 CN CN202122400412.2U patent/CN215993707U/en active Active
- 2021-09-30 CN CN202122397559.0U patent/CN215993706U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN216060251U (en) | 2022-03-18 |
| CN215993706U (en) | 2022-03-11 |
| CN215993707U (en) | 2022-03-11 |
| CN215993705U (en) | 2022-03-11 |
| CN216060252U (en) | 2022-03-18 |
| CN215867175U (en) | 2022-02-18 |
| CN115836809A (en) | 2023-03-24 |
| CN216008185U (en) | 2022-03-11 |
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| GR01 | Patent grant |