CN111481063A - Electromagnetic induction rice cooker and base thereof - Google Patents
Electromagnetic induction rice cooker and base thereof Download PDFInfo
- Publication number
- CN111481063A CN111481063A CN201910080906.1A CN201910080906A CN111481063A CN 111481063 A CN111481063 A CN 111481063A CN 201910080906 A CN201910080906 A CN 201910080906A CN 111481063 A CN111481063 A CN 111481063A
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- base
- electromagnetic induction
- enclosure
- heat dissipation
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
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- Food Science & Technology (AREA)
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Abstract
An electromagnetic induction rice cooker and a base thereof; the base comprises a bottom shell (100) and a bracket (300) arranged on the bottom shell (100); the bracket (300) is used for respectively installing the electromagnetic induction control panel (200) and the heat radiation fan (310), so that the bracket (300) and the electromagnetic induction control panel (200) are matched to form a partition part, and the partition part is used for dividing a main airflow formed by the heat radiation fan (310) into two sub-airflows; the bottom shell (100) and the bracket (300) are matched to form a first heat dissipation channel (130) and a second heat dissipation channel (140) which are independent of each other and respectively used for the two sub air flows to flow. The electromagnetic induction rice cooker and the base thereof are ingenious in design and high in practicability.
Description
Technical Field
The invention relates to the field of electromagnetic induction equipment, in particular to an electromagnetic induction rice cooker and a base thereof.
Background
The internal structure of a conventional electromagnetic induction rice cooker (abbreviated as IH rice cooker) is usually modified from that of a conventional resistance heating disk type electric cooker. However, the control circuit of the resistance heating disc electric cooker does not need heat dissipation, so that the heat dissipation air duct is not optimally designed.
As shown in fig. 1 to 3, fig. 1 is a schematic view showing a structure of a conventional electromagnetic induction rice cooker; FIG. 2 is a schematic view illustrating another direction of the conventional electromagnetic induction rice cooker shown in FIG. 1; fig. 3 shows an exploded view of the conventional electromagnetic induction rice cooker shown in fig. 1. In the conventional electromagnetic induction rice cooker, the heat dissipation fan is arranged at the bottom and horizontally placed, and the generated air flow flows from bottom to top, so that the heat generated on the heat radiator of the control circuit board is brought to the top. However, the upper part in the cooker body is a closed space, and heat cannot be directly transferred to the outside of the cooker body, and can only turn one large bend to bypass the coil panel and be extruded out from the far end of the heat dissipation fan. Meanwhile, because the air pressure of the heat dissipation fan is limited, the heat generated by the heat radiator and the coil panel can only be accumulated in the cooker body, so that the temperature in the cooker is gradually increased. At this time, the control circuit board can only be ensured to work at normal temperature by means of increasing cost such as increasing the heat radiator, increasing the number of coil strands and the like. These measures lead to an increase in the overall cost of the product; in addition, the control circuit board operates in a high temperature environment for a long time, which may result in a decrease in reliability.
Disclosure of Invention
The invention provides an electromagnetic induction rice cooker and a base thereof aiming at the technical problems.
The technical scheme provided by the invention is as follows:
The invention provides a base, which comprises a bottom shell and a bracket arranged on the bottom shell; the bracket is used for respectively installing an electromagnetic induction control panel and a heat dissipation fan, so that the bracket and the electromagnetic induction control panel are matched to form a partition part, and the partition part is used for dividing a main airflow formed by the heat dissipation fan into two sub-airflows; the bottom shell is matched with the support to form a first heat dissipation channel and a second heat dissipation channel which are independent from each other and respectively used for the two strands of sub air flows to flow.
In the base, the bracket comprises a first mounting part for fixedly mounting the electromagnetic induction control panel and a second mounting part which is connected with the first mounting part and used for mounting the cooling fan; an accommodating groove body is formed on the bottom shell; the second installation part is inserted in the containing groove body, so that the heat radiating fan on the second installation part is also contained in the containing groove body.
In the base of the present invention, the first mounting portion is in a planar grid shape.
In the base, the bottom and/or the side wall of the accommodating groove body is/are provided with the air inlet penetrating through the bottom shell.
In the base of the invention, the second mounting part is in a radial shape and is inserted on the inner wall of the accommodating groove body; the second installation part and the heat dissipation fan are axially installed.
In the base of the present invention, the control panel radiator on the electromagnetic induction control panel is located on the tangential plane of the revolution surface formed by the rotation of the heat dissipation fan.
In the base, the bottom shell is also provided with the enclosure; a notch is formed in the side part of the enclosure, so that a part of the accommodating groove body extends into the enclosure through the notch to form a second air outlet; the top of the enclosure is used for mounting a coil disc assembly; the bottom shell is provided with a third air outlet penetrating through the bottom shell at the position inside the enclosure.
In the base of the present invention, the base further includes a fence detachably disposed on the bottom case; a notch is formed in the side part of the enclosure and is lapped on the accommodating groove body through the notch, so that one part of the accommodating groove body extends into the enclosure through the notch to form a second air outlet; the top of the enclosure is used for mounting a coil disc assembly; the bottom shell is provided with a third air outlet penetrating through the bottom shell at the position inside the enclosure.
The invention also provides an electromagnetic induction rice cooker which comprises the base.
According to the electromagnetic induction rice cooker and the base thereof, two heat dissipation air channels are constructed through skillful design of the position between the heat dissipation fan and the control circuit board; preferably, the integrated design ensures the mounting precision of the components and standardizes the mounting process. The electromagnetic induction rice cooker and the base thereof are ingenious in design and high in practicability.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view showing a structure of a conventional electromagnetic induction rice cooker;
FIG. 2 is a schematic view illustrating another direction of the conventional electromagnetic induction rice cooker shown in FIG. 1;
FIG. 3 is an exploded view illustrating the conventional electromagnetic induction rice cooker shown in FIG. 1;
FIG. 4 is a schematic structural view showing a base of an electromagnetic induction rice cooker according to a first embodiment of the present invention;
FIG. 5 is a schematic view of the bottom of the base and the interior of the electromagnetic induction rice cooker shown in FIG. 4;
FIG. 6 shows an exploded view of the base of FIG. 4;
Fig. 7 shows an exploded view of the base of the electromagnetic induction rice cooker according to the second embodiment of the present invention.
Detailed Description
The technical problem to be solved by the invention is as follows: in the traditional electromagnetic induction rice cooker, the heat on the radiator of the control circuit board can be taken away by the airflow generated by the radiating fan; this heat typically accumulates within the pot body, causing the temperature within the pot to gradually rise. At this time, the control circuit board can only be ensured to work at normal temperature by means of increasing cost such as increasing the heat radiator, increasing the number of coil strands and the like. These measures lead to an increase in the overall cost of the product; in addition, the control circuit board operates in a high temperature environment for a long time, which may result in a decrease in reliability. The technical idea of the invention for solving the technical problem is as follows: a base of an electromagnetic induction rice cooker is constructed, and two heat dissipation air channels are constructed through skillful design of positions between a heat dissipation fan and a control circuit board; preferably, the integrated design ensures the mounting precision of the components and standardizes the mounting process.
In order to make the technical purpose, technical solutions and technical effects of the present invention more clear and facilitate those skilled in the art to understand and implement the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
First embodiment
As shown in fig. 4-5, fig. 4 is a schematic structural diagram of a base of an electromagnetic induction rice cooker according to a first embodiment of the invention. Fig. 5 shows a schematic structural view of the bottom of the base and the inside of the electromagnetic induction rice cooker shown in fig. 4. Wherein the lower portion of the dotted line in fig. 5 shows a bottom schematic view of the base; and the upper part of the dotted line in fig. 5 shows the bottom view of the inside of the electromagnetic induction rice cooker. The base includes a bottom case 100 and a bracket 300 mounted on the bottom case 100; the bracket 300 is used for respectively installing the electromagnetic induction control panel 200 and the heat dissipation fan 310, so that the bracket 300 and the electromagnetic induction control panel 200 are matched to form a partition part, and the partition part is used for dividing the main airflow formed by the heat dissipation fan 310 into two sub-airflows; the bottom chassis 100 and the bracket 300 cooperate to form a first heat dissipation channel 130 and a second heat dissipation channel 140 which are independent of each other and are respectively used for the two sub-airflows to flow. It is to be understood that, here, the first heat dissipation channel 130 and the second heat dissipation channel 140 are independent of each other and share the partition as respective wall surfaces. In practical applications, the control board heat sink 210 on the electromagnetic induction control board 200 is located in the second heat dissipation channel 140, and the coil disk assembly 400 is located in the first heat dissipation channel 130. Meanwhile, a larger portion of the sub airflow divided from the main airflow enters the second heat dissipation channel 140.
Specifically, in the present embodiment, as shown in fig. 4 to 5, the bracket 300 includes a first mounting portion 320 for fixedly mounting the electromagnetic induction control board 200, and a second mounting portion 330 connected to the first mounting portion 320 for mounting the heat dissipation fan 310. Meanwhile, an accommodating groove 150 is formed on the bottom case 100, and the second mounting portion 330 is inserted into the accommodating groove 150, so that the heat dissipation fan 310 thereon is also accommodated in the accommodating groove 150. Thus, the coupling of the bottom case 100 and the bracket 300 is achieved; meanwhile, the partition member divides the passage surrounded by the receiving groove body 150 into two parts, which serve as inlets of the first and second heat dissipation passages 130 and 140, respectively. Preferably, in this embodiment, as shown in fig. 6, fig. 6 shows an exploded view of the base shown in fig. 4. The first mounting portion 320 is formed in a planar grid shape, and is configured to facilitate fixing of the electromagnetic induction control board 200 and to dissipate heat of the electromagnetic induction control board 200. It is understood that the first mounting portion 320 may also have a curved shape, a folded shape, etc.
Further, in this embodiment, as shown in fig. 4, an air inlet 151 penetrating through the bottom case 100 is formed at the bottom of the accommodating groove body 150; it is understood that in other embodiments, the air inlet 151 penetrating through the bottom case 100 may be formed on a side wall of the receiving groove 150. Through the air inlet 151, air with a low temperature outside the bottom chassis 100 enters the inside of the bottom chassis 100.
Further, in this embodiment, the second mounting portion 330 is radial and is inserted into the inner wall of the accommodating groove 150; meanwhile, the second mounting part 330 and the heat dissipation fan 310 are axially mounted. The second mounting portion 330 can be more easily mounted and fixed to the housing channel 150 based on the radial shape of the second mounting portion 330. It is understood that the second mounting portion 330 may also be tapered, frustoconical, or the like.
Further, as shown in fig. 4 and 5, the control board heat sink 210 on the electromagnetic induction control board 200 is located on a tangential plane of a revolution surface formed by the rotation of the heat dissipation fan 310. Thus, the panel heat sink 210 can receive stronger airflow, and at the same time, the wind pressure received by the panel heat sink 210 is also larger. Meanwhile, the top of the electromagnetic induction rice cooker is provided with a first air outlet 110 in the air outlet direction of the neutron airflow in the second heat dissipation channel 140; in this way, the sub-air flow carrying the heat of the control board radiator 210 can be discharged to the outside of the electromagnetic induction rice cooker. Preferably, air guide 500 is provided between the control panel radiator 210 and the cooling fan 310 so that the sub-air flow can be more accurately blown onto the control panel radiator 210.
Further, in this embodiment, as shown in fig. 4 and 6, the bottom case 100 is further formed with a fence 120; meanwhile, a notch 121 is formed in the side of the enclosure 120, so that a part of the accommodating groove body 150 extends into the enclosure 120 through the notch 121 to form a second air outlet 340; the top of the enclosure 120 is used to mount the coil disc assembly 400. Here, the enclosure 120 cooperates with the coil disk assembly 400 to form an enclosed space, which constitutes a part of the first heat dissipation channel 130. In addition, the bottom case 100 is provided with a third air outlet 160 penetrating through the bottom case 100 at a position inside the enclosure 120. Thus, a smaller portion of the airflow divided by the main airflow enters the inside of the enclosure 120 through the second air outlet 340, then carries the heat on the coil plate assembly 400, and finally exits from the third air outlet 160.
Second embodiment
The second embodiment differs from the first embodiment only in that: the structural relationship between the surround 120 and the bottom shell 100. Specifically, in the present embodiment, the main structure of the base is the same as that of the second embodiment. The base includes a bottom case 100 and a bracket 300 mounted on the bottom case 100; the bracket 300 is used for respectively installing the electromagnetic induction control panel 200 and the heat dissipation fan 310, so that the bracket 300 and the electromagnetic induction control panel 200 are matched to form a partition part, and the partition part is used for dividing the main airflow formed by the heat dissipation fan 310 into two sub-airflows; the bottom chassis 100 and the bracket 300 cooperate to form a first heat dissipation channel 130 and a second heat dissipation channel 140 which are independent of each other and are respectively used for the two sub-airflows to flow. It is to be understood that, here, the first heat dissipation channel 130 and the second heat dissipation channel 140 are independent of each other and share the partition as respective wall surfaces. In practical applications, the control board heat sink 210 on the electromagnetic induction control board 200 is located in the second heat dissipation channel 140, and the coil disk assembly 400 is located in the first heat dissipation channel 130. Meanwhile, a larger portion of the sub airflow divided from the main airflow enters the second heat dissipation channel 140.
The bracket 300 includes a first mounting portion 320 for fixedly mounting the electromagnetic induction control board 200, and a second mounting portion 330 connected to the first mounting portion 320 for mounting the heat dissipation fan 310. Meanwhile, an accommodating groove 150 is formed on the bottom case 100, and the second mounting portion 330 is inserted into the accommodating groove 150, so that the heat dissipation fan 310 thereon is also accommodated in the accommodating groove 150. Thus, the coupling of the bottom case 100 and the bracket 300 is achieved; meanwhile, the partition member divides the passage surrounded by the receiving groove body 150 into two parts, which serve as inlets of the first and second heat dissipation passages 130 and 140, respectively. Preferably, in this embodiment, the first mounting portion 320 is in a planar grid shape, which facilitates the fixing of the electromagnetic induction control board 200 and also can dissipate heat of the electromagnetic induction control board 200. It is understood that the first mounting portion 320 may also have a curved shape, a folded shape, etc.
Further, in the present embodiment, the bottom of the accommodating groove 150 is provided with an air inlet 151 penetrating through the bottom case 100; it is understood that in other embodiments, the air inlet 151 penetrating through the bottom case 100 may be formed on a side wall of the receiving groove 150. Through the air inlet 151, air with a low temperature outside the bottom chassis 100 enters the inside of the bottom chassis 100.
Further, in this embodiment, the second mounting portion 330 is radial and is inserted into the inner wall of the accommodating groove 150; meanwhile, the second mounting part 330 and the heat dissipation fan 310 are axially mounted. The second mounting portion 330 can be more easily mounted and fixed to the housing channel 150 based on the radial shape of the second mounting portion 330. It is understood that the second mounting portion 330 may also be tapered, frustoconical, or the like.
Further, the control board heat sink 210 on the electromagnetic induction control board 200 is located on a tangential plane of a revolution surface formed by the rotation of the heat dissipation fan 310. Thus, the panel heat sink 210 can receive stronger airflow, and at the same time, the wind pressure received by the panel heat sink 210 is also larger. Meanwhile, the top of the electromagnetic induction rice cooker is provided with a first air outlet 110 in the air outlet direction of the neutron airflow in the second heat dissipation channel 140; in this way, the sub-air flow carrying the heat of the control board radiator 210 can be discharged to the outside of the electromagnetic induction rice cooker. Preferably, air guide 500 is provided between the control panel radiator 210 and the cooling fan 310 so that the sub-air flow can be more accurately blown onto the control panel radiator 210.
Unlike the first embodiment, as shown in fig. 7, fig. 7 shows an exploded view of a base of a second embodiment of the invention. The base further includes a fence 120 detachably disposed on the bottom case 100; meanwhile, a notch 121 is formed in the side of the enclosure 120, and the side is lapped on the accommodating groove body 150 through the notch 121, so that a part of the accommodating groove body 150 extends into the enclosure 120 through the notch 121 to form a second air outlet 340; the top of the enclosure 120 is used to mount the coil disc assembly 400. Here, the enclosure 120 cooperates with the coil disk assembly 400 to form an enclosed space, which constitutes a part of the first heat dissipation channel 130. In addition, the bottom case 100 is provided with a third air outlet 160 penetrating through the bottom case 100 at a position inside the enclosure 120. Thus, a smaller portion of the airflow divided by the main airflow enters the inside of the enclosure 120 through the second air outlet 340, then carries the heat on the coil plate assembly 400, and finally exits from the third air outlet 160.
Further, the invention also provides an electromagnetic induction rice cooker, which comprises the base as described in the first embodiment or the second embodiment.
According to the electromagnetic induction rice cooker and the base thereof, two heat dissipation air channels are constructed through skillful design of the position between the heat dissipation fan and the control circuit board; preferably, the integrated design ensures the mounting precision of the components and standardizes the mounting process. The electromagnetic induction rice cooker and the base thereof are ingenious in design and high in practicability.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A base, characterized by comprising a bottom case (100) and a bracket (300) mounted on the bottom case (100); the bracket (300) is used for respectively installing the electromagnetic induction control panel (200) and the heat radiation fan (310), so that the bracket (300) and the electromagnetic induction control panel (200) are matched to form a partition part, and the partition part is used for dividing a main airflow formed by the heat radiation fan (310) into two sub-airflows; the bottom shell (100) and the bracket (300) are matched to form a first heat dissipation channel (130) and a second heat dissipation channel (140) which are independent of each other and respectively used for the two sub air flows to flow.
2. The base of claim 1, wherein the bracket (300) comprises a first mounting part (320) for fixedly mounting the electromagnetic induction control board (200), and a second mounting part (330) connected with the first mounting part (320) for mounting the heat dissipation fan (310); an accommodating groove body (150) is formed on the bottom shell (100); the second mounting part (330) is inserted into the accommodating groove body (150) so that the heat radiating fan (310) thereon is also accommodated in the accommodating groove body (150).
3. A base as claimed in claim 2, wherein the first mounting portion (320) is of planar lattice form.
4. The base of claim 2, wherein the bottom and/or the side walls of the receiving trough (150) are provided with air inlets (151) penetrating the bottom shell (100).
5. The base of claim 4, wherein the second mounting portion (330) is radial and is inserted on the inner wall of the housing groove (150); the second mounting part (330) and the heat dissipation fan (310) are axially mounted.
6. The base of claim 4, wherein the control board radiator (210) on the electromagnetic induction control board (200) is located on the tangent plane of the revolution surface formed by the rotation of the heat radiation fan (310).
7. The base of claim 4, wherein the bottom shell (100) further has a fence (120) formed thereon; a notch (121) is formed in the side part of the enclosure (120) so that a part of the accommodating groove body (150) can extend into the enclosure (120) through the notch (121) to form a second air outlet (340); the top of the enclosure (120) is used for mounting the coil disc assembly (400); the bottom shell (100) is provided with a third air outlet (160) penetrating through the bottom shell (100) at the position inside the enclosure (120).
8. The base of claim 4, further comprising a fence (120) detachably provided on the bottom case (100); a notch (121) is formed in the side part of the enclosure (120), and the side part is lapped on the accommodating groove body (150) through the notch (121), so that one part of the accommodating groove body (150) extends into the enclosure (120) through the notch (121) to form a second air outlet (340); the top of the enclosure (120) is used for mounting the coil disc assembly (400); the bottom shell (100) is provided with a third air outlet (160) penetrating through the bottom shell (100) at the position inside the enclosure (120).
9. An electromagnetic induction rice cooker, characterized in that it comprises a base as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080906.1A CN111481063A (en) | 2019-01-28 | 2019-01-28 | Electromagnetic induction rice cooker and base thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080906.1A CN111481063A (en) | 2019-01-28 | 2019-01-28 | Electromagnetic induction rice cooker and base thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111481063A true CN111481063A (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910080906.1A Pending CN111481063A (en) | 2019-01-28 | 2019-01-28 | Electromagnetic induction rice cooker and base thereof |
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| CN (1) | CN111481063A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114271687A (en) * | 2020-09-27 | 2022-04-05 | 广东美的厨房电器制造有限公司 | Heat radiation fan, bottom plate assembly and cooking utensil |
-
2019
- 2019-01-28 CN CN201910080906.1A patent/CN111481063A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114271687A (en) * | 2020-09-27 | 2022-04-05 | 广东美的厨房电器制造有限公司 | Heat radiation fan, bottom plate assembly and cooking utensil |
| CN114271687B (en) * | 2020-09-27 | 2023-11-17 | 广东美的厨房电器制造有限公司 | Heat radiation fan, bottom plate subassembly and cooking utensil |
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