CN214756989U - Heat-insulation wave-transparent structure for microwave heating box - Google Patents
Heat-insulation wave-transparent structure for microwave heating box Download PDFInfo
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- CN214756989U CN214756989U CN202120575427.XU CN202120575427U CN214756989U CN 214756989 U CN214756989 U CN 214756989U CN 202120575427 U CN202120575427 U CN 202120575427U CN 214756989 U CN214756989 U CN 214756989U
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Abstract
The utility model belongs to the technical field of the microwave heating, in particular to microwave heating case is with thermal-insulated ripples structure of passing through, resonant cavity including the microwave heating case, the box top of resonant cavity has been seted up the microwave and has been presented the mouth, the microwave is presented the top rigid coupling of mouth and has the waveguide chamber, microwave generator is installed to housing one side in waveguide chamber, microwave generator's antenna end extends in the waveguide intracavity, the waveguide chamber with the microwave is presented and is provided with the ripples heat insulating board of passing through between the mouth, the housing in waveguide chamber with the sealed pad of seam crossing between the box of resonant cavity is equipped with thermal-insulated ripples pad of passing through, thermal-insulated ripples pad is in including thermal-insulated core plate layer and closed parcel the metal coating in the thermal-insulated core plate layer outside. This thermal-insulated wave-transparent structure has improved the heat preservation effect of microwave heating box under the prerequisite of guaranteeing microwave heating efficiency, has avoided the energy waste because of heat loses and causes.
Description
Technical Field
The utility model belongs to the technical field of microwave heating, in particular to microwave heating box is with thermal-insulated ripples structure of passing through.
Background
Microwaves are short for a limited frequency band in radio waves, which are higher than the frequency of ordinary radio waves and are also commonly referred to as "uhf electromagnetic waves". The microwave has a wave-particle duality, and the basic properties of the microwave generally include three characteristics of penetration, reflection and absorption. Microwaves almost completely penetrate glass, plastic and porcelain without being absorbed, and for water, food and the like, microwaves are absorbed to generate heat, while metal objects reflect microwaves. Due to the characteristics of microwaves, the microwave transmission system has large propagation loss in air, short transmission distance, good maneuverability and large working frequency width, and the microwave transmission is mostly carried out in metal waveguides and dielectric waveguides. The microwave heating is environment-friendly, energy-saving and rapid and uniform in heating because no waste water, waste gas and waste are generated, becomes a scientific research direction of a more advanced heating technology in recent years, and is widely applied to the aspects of industrial and agricultural production, medicine, biology, daily life and the like. The existing microwave heating box usually can strengthen the sealing effect of the box body and set a heat insulation layer in order to improve the heating efficiency and prolong the heat preservation time, however, the installation and connection part of the microwave generating source becomes the weak point of heat loss prevention of the box body, which can affect the heat preservation effect of the box body on one hand and cause the loss and waste of heat energy sources on the other hand, and also causes the propagation of the heat of the box body to the microwave generating source, resulting in the temperature rise of the microwave generating source such as a magnetron and affecting the working performance and the service life of the microwave generating source.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model provides a microwave heating box is with thermal-insulated ripples structure that passes through can enough guarantee the normal heating that sees through of microwave, does not influence microwave heating efficiency, can reduce again that the heat of microwave heating box scatters and disappears, improves box heat preservation effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a microwave heating box is with thermal-insulated ripples structure that passes through, includes the resonant cavity of microwave heating box, the microwave has been seted up at the box top of resonant cavity and has been presented the mouth, the top rigid coupling that the mouth was presented to the microwave has the waveguide chamber, microwave generator is installed to casing one side in waveguide chamber, microwave generator's antenna end extends in the waveguide intracavity, the waveguide chamber with be provided with the ripples heat insulating board that passes through between the mouth is presented to the microwave, the casing in waveguide chamber with sealed pad of seam crossing between the box of resonant cavity is equipped with thermal-insulated ripples pad that passes through, thermal-insulated ripples pad that passes through includes thermal-insulated core plate layer and seals the parcel and is in the metal coating in the thermal-insulated core plate layer outside.
Preferably, the microwave generator is a magnetron.
Preferably, the wave-transmitting heat-insulating plate is a mica sheet, and is sealed above the microwave feed port to cut off a heat dissipation channel in the box body below.
Preferably, the heat insulation core board layer is a asbestos fiber board, which has good heat insulation effect and enables the heat insulation wave-transmitting pad to have certain compression elasticity.
Preferably, the metal cladding layer is an aluminum foil or a copper foil, and the metal foil has a reflection characteristic on microwaves and plays a role in shielding and preventing leakage.
Preferably, the housing of the waveguide cavity is made of an aluminum plate.
Preferably, the box body of the resonant cavity is made of a stainless steel plate.
Preferably, the shell of the waveguide cavity is fixedly connected with the box body of the resonant cavity through screws.
The utility model discloses still including other subassemblies that can make its normal use, be the conventional means in this field, in addition, the utility model discloses in add the device or the subassembly of injecing, all adopt the prior art in this field.
The utility model has the advantages as follows:
the utility model provides a microwave heating box is with thermal-insulated wave-transparent structure, pass through the setting of ripples heat insulating board and seal the heat and scatter and disappear the passageway, do not influence the normal transmission of microwave again, guaranteed microwave heating efficiency; the arrangement of the heat insulation wave-transmitting pad fills up the sealing defect of a connecting gap between the waveguide cavity and the resonant cavity, can prevent microwave leakage, improves the heat preservation effect of the microwave heating box and avoids energy waste caused by heat loss.
Drawings
FIG. 1 is a schematic structural diagram of an insulating wave-transmitting structure for a microwave heating box in the embodiment.
Detailed Description
The technical solution of the present invention will be described more clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples
As shown in fig. 1, a microwave heating box is with thermal-insulated ripples structure that passes through, resonant cavity 1 including the microwave heating box, microwave feeder 2 has been seted up at the box top of resonant cavity, the top rigid coupling that microwave feeder had a waveguide chamber 3, microwave generator 4 is installed to casing one side in waveguide chamber, microwave generator's antenna end extends in the waveguide chamber, the waveguide chamber with be provided with between the microwave feeder and pass through ripples heat insulating board 5, the casing in waveguide chamber with the sealed pad of the seam crossing between the box of resonant cavity is equipped with thermal-insulated ripples pad 6 that passes through, thermal-insulated ripples pad that passes through is in including thermal-insulated core plate layer 61 and the sealed parcel metal coating layer 62 in the thermal-insulated core plate layer outside.
The microwave generator is a magnetron.
The wave-transmitting heat-insulating plate is a mica sheet and is sealed above the microwave feed port, so that a channel for heat dissipation in the box body below is cut off, normal transmission of microwaves is not influenced, and the microwave heating efficiency is ensured.
The heat insulation core plate layer is a asbestos fiberboard, has a good heat insulation effect, enables the heat insulation wave-transmitting pad to have certain compression elasticity, and is beneficial to improving the sealing performance of a connecting gap.
The metal coating layer is an aluminum foil or a copper foil, and the metal foil has a reflection characteristic on microwaves, so that the shielding and leakage-preventing effects are achieved, and the microwaves are prevented from leaking and escaping.
The shell of the waveguide cavity is made of an aluminum plate.
The box body of the resonant cavity is made of a stainless steel plate.
The shell of the waveguide cavity is fixedly connected with the box body of the resonant cavity through a screw 7, the installation and the disassembly are convenient, and the sealing performance and the shielding effect of a connecting gap are improved by screwing and extruding the heat-insulation wave-transmitting pad.
The technical solution of the present invention is not limited to the above-mentioned specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. The utility model provides a microwave heating box is with thermal-insulated wave-transparent structure, includes the resonant cavity of microwave heating box, its characterized in that: the utility model discloses a microwave oven, including resonant cavity, microwave feed mouth, waveguide chamber, microwave feed mouth, microwave generator, waveguide chamber's casing, microwave generator's antenna end extends in the waveguide chamber, the waveguide chamber with the microwave is fed and is provided with the ripples heat insulating board that passes through between the mouth, the casing in waveguide chamber with sealed the pad of the sealed pad of seam department between the box of resonant cavity is equipped with thermal-insulated ripples pad that passes through, thermal-insulated ripples pad that passes through includes thermal-insulated core plate layer and seals the parcel and be in the metal coating layer in the thermal-insulated core plate layer outside.
2. A heat insulating and wave transmitting structure for a microwave heating cabinet according to claim 1, characterized in that: the microwave generator is a magnetron.
3. A heat insulating and wave transmitting structure for a microwave heating cabinet according to claim 1, characterized in that: the wave-transmitting heat-insulating plate is a mica sheet.
4. A heat insulating and wave transmitting structure for a microwave heating cabinet according to claim 1, characterized in that: the heat insulation core plate layer is a asbestos fiberboard.
5. A heat insulating and wave transmitting structure for a microwave heating cabinet according to claim 1, characterized in that: the metal coating layer is an aluminum foil or a copper foil.
6. A heat insulating and wave transmitting structure for a microwave heating cabinet according to claim 1, characterized in that: the shell of the waveguide cavity is made of an aluminum plate.
7. A heat insulating and wave transmitting structure for a microwave heating cabinet according to claim 1, characterized in that: the box body of the resonant cavity is made of a stainless steel plate.
8. A heat insulating and wave transmitting structure for a microwave heating cabinet according to claim 1, characterized in that: the shell of the waveguide cavity is fixedly connected with the box body of the resonant cavity through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120575427.XU CN214756989U (en) | 2021-03-19 | 2021-03-19 | Heat-insulation wave-transparent structure for microwave heating box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120575427.XU CN214756989U (en) | 2021-03-19 | 2021-03-19 | Heat-insulation wave-transparent structure for microwave heating box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214756989U true CN214756989U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120575427.XU Active CN214756989U (en) | 2021-03-19 | 2021-03-19 | Heat-insulation wave-transparent structure for microwave heating box |
Country Status (1)
| Country | Link |
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| CN (1) | CN214756989U (en) |
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2021
- 2021-03-19 CN CN202120575427.XU patent/CN214756989U/en active Active
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