CN216047889U - Microwave shielding door - Google Patents
Microwave shielding door Download PDFInfo
- Publication number
- CN216047889U CN216047889U CN202122379522.5U CN202122379522U CN216047889U CN 216047889 U CN216047889 U CN 216047889U CN 202122379522 U CN202122379522 U CN 202122379522U CN 216047889 U CN216047889 U CN 216047889U
- Authority
- CN
- China
- Prior art keywords
- blocking
- wall
- wave
- blocking wall
- door
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Electric Ovens (AREA)
Abstract
The utility model provides a microwave shielding door, which comprises an outer blocking structure, an inner blocking structure and a blocking bent wall, wherein the inner blocking structure is fixedly connected with the blocking bent wall, and the inner blocking structure and the blocking bent wall are both arranged in an inner cavity formed by the outer blocking structure; the outer blocking structure comprises a door plate, an outer wave blocking wall and an upper wave blocking wall, and the inner blocking structure comprises a door screen plate, an inner wave blocking wall and a bottom wave blocking wall; and the blocking bent wall comprises a blocking wall and a top wave blocking wall. According to the utility model, the door plate and the door screen plate are used as structural main bodies of the shielding door, the transmission of microwaves can be further blocked and shielded through two groups of microwave transmission paths, so that a better shielding effect is achieved, the lower end of the impedance hole is shielded by the door plate, an auxiliary wave blocking wall is added in the blocking groove to further achieve a better blocking effect on the microwaves, the actual measurement is effective, the shielding effect of the door body of the shielding door on the microwaves can be greatly improved, and the microwaves are prevented from leaking to a greater extent.
Description
Technical Field
The utility model relates to the technical field of microwave shielding, in particular to a microwave shielding door.
Background
The microwave oven comprises a microwave oven body, a magnetron for generating microwaves is arranged in the microwave oven body, the magnetron for generating microwaves is arranged in an electric field chamber of the microwave oven body, and when high voltage generated by primary and secondary induction coils of a high-potential transformer arranged on a bottom plate of the electric field chamber is stably supplied to the magnetron, the microwaves are generated and radiated into a heating chamber of the microwave oven body through a radiation pipe, so that a good heating environment can be provided for equipment which needs internal heating, such as rubber modification and the like through the microwaves commonly used in the industry.
In view of the above, in the prior art, a microwave shield door and a microwave oven including the same are disclosed in CN112754294A, and the disclosed microwave shield door includes: a first shielding plate forming a first shielding region toward a region of the microwave cooking cavity; the first shielding plate is connected with the first surface of the second shielding plate, and the area of the second shielding plate is larger than that of the first shielding plate; the second surface of the second shielding plate is arranged on the door body; and the sealing ring is arranged at an interval with the first shielding plate, and the second shielding plate on the inner side of the sealing ring faces towards the region of the cavity of the microwave cooking cavity to form a second shielding region, so that microwaves leaked outwards from microwave equipment can be effectively shielded.
However, the microwave shielding door still has obvious disadvantages in the using process: the structure of shield door is too complicated and the microwave shielding effect remains to be promoted, to first shield plate and second shielding, shield door structure through first shield plate and second shield plate constitution, only first shield plate kink all around has formed a set of blocking structure that is used for realizing the microwave and prevents the function of leaking, function singleness and microwave shielding effect are limited, and, play the setting in choke groove of blocking the function, because the inslot does not further increase the wall that blocks that can promote the function of blocking, make the shielding effect of this shield door structure can't obtain fine reinforcing.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a microwave shielded door, which solves the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
a microwave shielding door comprises an outer blocking structure, an inner blocking structure and a blocking bent wall, wherein the inner blocking structure is fixedly connected with the blocking bent wall, and the inner blocking structure and the blocking bent wall are both arranged in an inner cavity formed by the outer blocking structure;
the outer blocking structure comprises a door plate, an outer wave blocking wall and an upper wave blocking wall, wherein the outer wave blocking wall is formed by bending the door plate upwards, and the upper wave blocking wall is formed by bending the outer wave blocking wall towards one side of the door plate;
the inner blocking structure comprises a door screen plate, an inner wave blocking wall and a bottom wave blocking wall, wherein the inner wave blocking wall is formed by bending the door screen plate towards one side of the door plate, the bottom wave blocking wall is formed by bending the inner wave blocking wall towards one side of the outer wave blocking wall, and a plurality of impedance holes are formed in the bottom wave blocking wall at intervals;
the blocking bent wall comprises a blocking wall and a top wave blocking wall, wherein a plurality of blocking grooves are formed in the blocking wall and the top wave blocking wall at intervals, one end of the blocking wall is fixedly connected with the bottom wave blocking wall, and the top wave blocking wall is formed by bending the other end of the blocking wall towards one side of the inner wave blocking wall;
the bottom wave blocking wall, the blocking wall and the top wave blocking wall form a first microwave transmission path, the tail end of the door panel, the outer wave blocking wall and the upper wave blocking wall form a second microwave transmission path, a first opening is formed between the top wave blocking wall and the inner wave blocking wall, and a second opening is formed between the upper wave blocking wall and the blocking wall.
Preferably, the outer wave-blocking wall is provided with hinge holes.
Preferably, the door panel is provided with a visual hole, the door screen panel is provided with an observation hole corresponding to the visual hole, and the visual hole and the observation hole are one of a rectangular hole, a circular hole and an elliptical hole.
Preferably, the impedance holes include at least one or more of rectangular holes, circular holes, and elliptical holes.
Preferably, the width of the barrier groove is the same as the distance between every two adjacent barrier grooves.
Preferably, the width of the barrier groove is smaller than the distance between every two adjacent barrier grooves.
Preferably, each of the blocking grooves is fixedly provided with an auxiliary wave blocking wall.
Preferably, the auxiliary wave-blocking wall is provided with an auxiliary hole in a penetrating manner.
Preferably, one end of the auxiliary wave blocking wall is bent towards one side of the inner wave blocking wall to form the wave blocking auxiliary wall.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the door plate and the door screen plate are used as structural main bodies of the shielding door, the first opening and the second opening for improving the microwave blocking function are formed at the periphery of the door plate, when microwaves enter the first opening, the first microwave transmission path is formed by the bottom wave blocking wall, the blocking wall and the top wave blocking wall to shield the microwaves and prevent the microwaves from leaking, when the microwaves enter the second opening, the second microwave transmission path is formed by the outer wave blocking wall and the upper wave blocking wall to shield the microwaves, and the transmission of the microwaves can be further blocked and shielded through the two groups of microwave transmission paths, so that a better shielding effect is achieved.
The microwave shielding structure is additionally provided with the impedance hole, so that microwave transmission impedance can be further increased, the lower end of the impedance hole is shielded by the door plate, microwaves can be better blocked after entering the first opening, the impedance is effectively enhanced, in addition, the auxiliary wave blocking wall is additionally arranged in the blocking groove to further play a better microwave blocking effect, the actual measurement is effective, the microwave shielding effect of the shielding door body of the shielding door can be greatly improved, and the microwaves are prevented from leaking to a greater extent.
Drawings
FIG. 1 is a perspective view of the shielding door according to the present invention;
FIG. 2 is a perspective view of the shielded gate structure of the present invention (outer blocking structure not shown);
FIG. 3 is a perspective view of the shielded door structure of the present invention (the outer blocking structure and door panel are not shown);
FIG. 4 is a schematic cross-sectional view of the shield door structure of the present invention;
FIG. 5 is a schematic plan view of the outer blocking structure of the present invention;
FIG. 6 is a schematic cross-sectional view of an outer blocking structure of the present invention;
FIG. 7 is a schematic plan view of the inner blocking structure and the blocking flexure wall in accordance with one embodiment of the present invention;
FIG. 8 is a schematic plan view of the inner blocking structure and the blocking bent wall structure according to the second embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of the internal obstruction structure and obstruction serpentine wall of the present invention;
fig. 10 is a schematic view of an opening structure of an auxiliary hole according to a first embodiment of the present invention (the outer blocking structure and the inner blocking structure are not shown);
fig. 11 is a schematic view of an opening structure of an auxiliary hole in a second embodiment of the present invention (the outer blocking structure and the inner blocking structure are not shown);
fig. 12 is a schematic diagram of a first opening and a second opening forming structure according to the present invention.
In the figure: 1. a door panel; 101. a vision hole; 2. an outer baffle wall; 201. a hinge hole; 3. an upper wave-blocking wall; 4. a door screen panel; 401. an observation hole; 5. an inner baffle wall; 6. a bottom baffle wall; 601. an impedance hole; 7. a barrier wall; 701. a blocking groove; 8. a wave-blocking wall; 9. an auxiliary baffle wall; 901. an auxiliary hole; 902. a wave-blocking auxiliary wall; 10. an outer blocking structure; 20. an internal blocking structure; 30. blocking the bent wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 12, the present invention provides a technical solution:
the first embodiment is as follows:
the utility model provides a microwave shield door, block structure 10 including outer, interior blocking structure 20 and block wall 30 of buckling, interior blocking structure 20 with block wall 30 fixed connection of buckling, and interior blocking structure 20 with block wall 30 of buckling all set up in the inner chamber that outer blocking structure 10 formed, block structure 10 outward, interior blocking structure 20 and block these three group's structures of wall 30 of buckling all can block the microwave and prevent leaking, compare planar structure's shield plate, the structure is simpler compared prior art, and the effect of shielding microwave leakage is better moreover.
The inner blocking structure 20 comprises a door screen plate 4, an inner wave blocking wall 5 and a bottom wave blocking wall 6, wherein the inner wave blocking wall 5 is formed by bending the door screen plate 4 towards one side of the door plate 1, the bottom wave blocking wall 6 is formed by bending the inner wave blocking wall 5 towards one side of the outer wave blocking wall 2, a plurality of impedance holes 601 are formed in the bottom wave blocking wall 6 at intervals, and the impedance holes 601 are formed in a mode that rectangular holes and elliptical holes are crossed, so that impedance can be well enhanced, and the microwave blocking effect is improved;
the blocking bent wall 30 comprises a blocking wall 7 and a top wave baffle wall 8, wherein a plurality of blocking grooves 701 are formed in the blocking wall 7 and the top wave baffle wall 8 at intervals, as shown in the specification and attached to fig. 7, the width of each blocking groove 701 is the same as the distance between every two adjacent blocking grooves 701, one end of the blocking wall 7 is fixedly connected with the bottom wave baffle wall 6, and the top wave baffle wall 8 is formed by bending the other end of the blocking wall 7 towards one side of the inner wave baffle wall 5;
the bottom baffle wall 6, the barrier wall 7 and the top baffle wall 8 constitute a first microwave transmission path for preventing microwaves from leaking outside, a first opening is formed between the top baffle wall 8 and the inner baffle wall 5, and a second opening is formed between the upper baffle wall 3 and the barrier wall 7.
The door panel 1 is provided with the visual hole 101, the door panel 4 is provided with the observation hole 401 corresponding to the visual hole 101, and the inside can be visually observed through the observation hole 401.
As shown in fig. 10, each of the barrier grooves 701 is fixedly provided with an auxiliary baffle wall 9, an auxiliary hole 901 penetrates the auxiliary baffle wall 9, the auxiliary baffle wall 9 can enhance the blocking strength and increase the shielding effect, and the auxiliary hole 901 can further increase the impedance on the basis of the impedance hole 601.
Example two:
a microwave shielding door comprises an outer blocking structure 10, an inner blocking structure 20 and a blocking bent wall 30, wherein the inner blocking structure 20 and the blocking bent wall 30 are fixedly connected, and the inner blocking structure 20 and the blocking bent wall 30 are both arranged in an inner cavity formed by the outer blocking structure 10.
The outer blocking structure 10 comprises a door plate 1, an outer wave-blocking wall 2 and an upper wave-blocking wall 3, wherein the outer wave-blocking wall 2 is formed by bending the door plate 1 upwards, a hinge hole 201 is formed in the outer wave-blocking wall 2, the hinge hole 201 is used for installing a hinge, the door plate 1 is conveniently connected to a microwave oven body in a hinged mode through the hinge, the door plate 1 can be conveniently opened and closed, and the upper wave-blocking wall 3 is formed by bending the outer wave-blocking wall 2 towards one side of the door plate 1;
the inner blocking structure 20 comprises a door screen plate 4, an inner wave blocking wall 5 and a bottom wave blocking wall 6, wherein the inner wave blocking wall 5 is formed by bending the door screen plate 4 towards one side of the door plate 1, the bottom wave blocking wall 6 is formed by bending the inner wave blocking wall 5 towards one side of the outer wave blocking wall 2, a plurality of impedance holes 601 are formed in the bottom wave blocking wall 6 at intervals, and different from the first embodiment, the impedance holes 601 are formed in a mode that rectangular holes and circular holes are crossed, so that impedance can be well enhanced, and the microwave blocking effect is improved;
the blocking bent wall 30 comprises a blocking wall 7 and a top wave baffle wall 8, wherein a plurality of blocking grooves 701 are formed in the blocking wall 7 and the top wave baffle wall 8 at intervals, as shown in the specification and the attached drawing 8, the width of each blocking groove 701 is smaller than the distance between every two adjacent blocking grooves 701, one end of the blocking wall 7 is fixedly connected with the bottom wave baffle wall 6, and the top wave baffle wall 8 is formed by bending the other end of the blocking wall 7 towards one side of the inner wave baffle wall 5;
the bottom wave-blocking wall 6, the blocking wall 7 and the top wave-blocking wall 8 form a first microwave transmission path, so that better protection against microwave leakage can be achieved, the microwave leakage value is smaller, a first opening is formed between the top wave-blocking wall 8 and the inner wave-blocking wall 5, and a second opening is formed between the upper wave-blocking wall 3 and the blocking wall 7.
The door panel 1 is provided with the visual hole 101, the door panel 4 is provided with the observation hole 401 corresponding to the visual hole 101, and the inside can be visually observed through the observation hole 401.
As shown in fig. 11, an auxiliary baffle wall 9 is fixedly disposed in each of the baffle grooves 701, one end of the auxiliary baffle wall 9 is bent toward the inner baffle wall 5 to form a baffle auxiliary wall 902, the disposition of the auxiliary baffle wall 9 can enhance the strength of the blocking effect and increase the shielding effect, and the disposition of the baffle auxiliary wall 902 can form a further microwave transmission path between the auxiliary baffle wall 9 and the baffle auxiliary wall 902 to further enhance the microwave shielding effect.
For the two embodiments of the present invention, the microwave shielding door is respectively provided with the outer blocking structure 10, the inner blocking structure 20 and the blocking bent wall 30, and the effective shielding of microwave leakage is realized through two sets of mutually matched microwave transmission path structures, compared with the prior art structure, the microwave shielding door of the first embodiment of the present invention improves the shielding property of microwave, so that the probe partially extends into the door gap around the oven door to measure the microwave leakage amount, which can be reduced to less than 0.4mW/cm2In the second embodiment, the microwave shielding door improves the microwave shielding performance, so that the leakage of the microwave measured when the probe part extends into the door slot around the oven door can be reduced to less than 0.25mW/cm2Compared with the national standard, the microwave leakage is less than or equal to 5mW/c when the measurement is carried out at a position 5cm away from the equipmentm2, can reach the standard completely and the progress effect is obvious, so, the shielding door of the utility model has better effect of preventing microwave leakage compared with the shielding door body of the commercial microwave oven in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A microwave shielding door comprises an outer blocking structure (10), an inner blocking structure (20) and a blocking bent wall (30), wherein the inner blocking structure (20) is fixedly connected with the blocking bent wall (30), and the inner blocking structure (20) and the blocking bent wall (30) are both arranged in an inner cavity formed by the outer blocking structure (10), and the microwave shielding door is characterized in that:
the outer blocking structure (10) comprises a door panel (1), an outer wave blocking wall (2) and an upper wave blocking wall (3), wherein the outer wave blocking wall (2) is formed by bending the door panel (1) upwards, and the upper wave blocking wall (3) is formed by bending the outer wave blocking wall (2) towards one side of the door panel (1);
the inner blocking structure (20) comprises a door screen plate (4), an inner wave blocking wall (5) and a bottom wave blocking wall (6), wherein the inner wave blocking wall (5) is formed by bending the door screen plate (4) towards one side of the door plate (1), the bottom wave blocking wall (6) is formed by bending the inner wave blocking wall (5) towards one side of the outer wave blocking wall (2), and a plurality of impedance holes (601) are formed in the bottom wave blocking wall (6) at intervals;
the blocking bent wall (30) comprises a blocking wall (7) and a top wave-blocking wall (8), a plurality of blocking grooves (701) are formed in the blocking wall (7) and the top wave-blocking wall (8) at intervals, one end of the blocking wall (7) is fixedly connected with the bottom wave-blocking wall (6), and the top wave-blocking wall (8) is formed by bending the other end of the blocking wall (7) towards one side of the inner wave-blocking wall (5);
the door is characterized in that the bottom wave blocking wall (6), the blocking wall (7) and the top wave blocking wall (8) form a first microwave transmission path, the tail end of the door panel (1), the outer wave blocking wall (2) and the upper wave blocking wall (3) form a second microwave transmission path, a first opening is formed between the top wave blocking wall (8) and the inner wave blocking wall (5), and a second opening is formed between the upper wave blocking wall (3) and the blocking wall (7).
2. A microwave shielded door as defined in claim 1, wherein: the outer wave-blocking wall (2) is provided with hinge holes (201).
3. A microwave shielded door as defined in claim 1, wherein: the visual hole (101) has been seted up on door plant (1), it has seted up observation hole (401) to correspond visual hole (101) on door screen board (4), visual hole (101) and observation hole (401) are one of rectangular hole, circular port, oval hole.
4. A microwave shielded door as defined in claim 1, wherein: the impedance holes (601) include at least one or more of rectangular holes, circular holes, and elliptical holes.
5. The microwave shielded door of claim 4, wherein: the width of the barrier groove (701) is the same as the distance between every two adjacent barrier grooves (701).
6. The microwave shielded door of claim 4, wherein: the width of the barrier groove (701) is smaller than the distance between every two adjacent barrier grooves (701).
7. A microwave shielded door according to claim 5 or 6, wherein: and an auxiliary wave baffle wall (9) is fixedly arranged in each blocking groove (701).
8. A microwave shielded door as set forth in claim 7, wherein: an auxiliary hole (901) is formed in the auxiliary wave blocking wall (9) in a penetrating mode.
9. A microwave shielded door as set forth in claim 7, wherein: one end of the auxiliary wave blocking wall (9) is bent towards one side of the inner wave blocking wall (5) to form a wave blocking auxiliary wall (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122379522.5U CN216047889U (en) | 2021-09-29 | 2021-09-29 | Microwave shielding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122379522.5U CN216047889U (en) | 2021-09-29 | 2021-09-29 | Microwave shielding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216047889U true CN216047889U (en) | 2022-03-15 |
Family
ID=80607679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122379522.5U Active CN216047889U (en) | 2021-09-29 | 2021-09-29 | Microwave shielding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216047889U (en) |
-
2021
- 2021-09-29 CN CN202122379522.5U patent/CN216047889U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5973305A (en) | Microwave oven door having a microwave shielding structure | |
| KR950000247B1 (en) | Apparatus for shielding microwave for electronic range | |
| CN100430652C (en) | Apparatus for shielding electromagnetic wave of microwave oven door | |
| EP0116648B1 (en) | Radio-wave sealing device | |
| US4700034A (en) | Electromagnetic energy seal of a microwave oven | |
| KR20030065728A (en) | Mwo door having attenuating filter | |
| CN216047889U (en) | Microwave shielding door | |
| CN103836684B (en) | For the fire door assembly of microwave oven and the microwave oven with it | |
| CN109882896A (en) | Electromagnetic wave screening structure and the device for using the structure | |
| CN103604143B (en) | Bifrequency door of microwave oven and bifrequency micro-wave oven | |
| CN102843799B (en) | Device and method for suppressing electromagnetic leakage of microwave oven | |
| CN213019769U (en) | Microwave oven door body structure and microwave oven | |
| US5418352A (en) | Device for shielding leakage of high frequency waves in a microwave oven | |
| KR101217483B1 (en) | heating apparatus using microwave | |
| CN106093490A (en) | Anti-electromagnetic interference casing | |
| JPS6034798B2 (en) | High frequency heating device | |
| CN203642253U (en) | Dual-frequency microwave oven door and dual-frequency microwave oven | |
| CN213514021U (en) | Oven door and microwave oven | |
| CN202799247U (en) | Microwave oven electromagnetic leakage suppressing device | |
| WO2023095379A1 (en) | Heating cooker | |
| CN221689141U (en) | Electromagnetic shielding structure of power distribution room | |
| KR0152841B1 (en) | High frequency leakage shielding device of microwave oven | |
| EP3911121B1 (en) | Oven having multiple chokes | |
| KR200191350Y1 (en) | High frequency shieling apparatus for microwave oven | |
| KR20070078795A (en) | Magnetron |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |