CN217686092U - Refrigerating and freezing device - Google Patents

Abstract

The utility model provides a refrigeration and freezing device. The refrigerating and freezing device includes a box body, an electromagnetic wave generating system, and a first fan and a second fan. The box defines at least one storage compartment. The electromagnetic wave generating system is configured to generate electromagnetic waves in a storage compartment or a part of a storage compartment to heat the objects to be treated. The first fan and the second fan are used to dissipate heat for the electromagnetic wave generating system. Wherein, the rotation axes of the first fan and the second fan are arranged on different planes, and promote the air to flow through a device of the electromagnetic wave generating system. The refrigerating and freezing device of the present utility model simultaneously adopts the first fan and the second fan to dissipate heat for a component of the electromagnetic wave generating system, and sets the rotation axes of the first fan and the second fan on different planes, so as to effectively, It dissipates heat for the heating element at high speed, prolongs the continuous working time of the electromagnetic wave generating system, and ensures the defrosting and defrosting effect and the service life of the heating element.

Description

Freezer

technical field

The utility model relates to the refrigeration or cooling field, in particular to a refrigeration and freezing device with an electromagnetic wave generating system.

Background technique

There are some refrigerating and freezing devices in the prior art, which use an electromagnetic wave generating system to generate electromagnetic waves to thaw food in a storage compartment, or reduce local condensation and evaporator frosting. However, when the electromagnetic wave generating system is working, some electrical components of the electromagnetic wave generating system will generate a lot of heat, which not only affects the utilization of the surrounding environment, but also affects the defrosting and defrosting effect, the continuous working time of the electromagnetic wave generating system, and the service life of the heating and electrical components. .

Considering comprehensively, a refrigerating and freezing device that can realize effective heat dissipation of heat-generating electrical devices and occupy a small space is required in design.

Utility model content

One purpose of this utility model is to overcome at least one technical defect in the prior art, and provide a refrigeration and freezing device with an electromagnetic wave generating system, which can realize effective heat dissipation of the heating element of the electromagnetic wave generating system.

A further object of the utility model is to improve the compactness of the structure.

Another further purpose of the utility model is to improve heat dissipation efficiency.

In particular, the utility model provides a refrigerating and freezing device, comprising:

a box body defining at least one storage compartment;

An electromagnetic wave generating system configured to generate electromagnetic waves in one of the storage compartments or a part of one of the storage compartments to heat the object to be treated; and

The first fan and the second fan are used to dissipate heat for the electromagnetic wave generating system; wherein,

The rotation axes of the first fan and the second fan are arranged on different planes, and cause air to flow through a device of the electromagnetic wave generating system.

Optionally, the first fan is an axial fan; and

There is a space between the first fan and the device, and it is arranged to encourage the air to flow in a direction close to the device and then flow along the surface of the device.

Optionally, the refrigerating and freezing device also includes:

The heat dissipation fins are arranged to be thermally connected to the surface of the device close to the first fan, including a plurality of ribs; wherein,

Projections of the plurality of ribs on a plane perpendicular to the rotation axis of the first fan are located on the outer periphery of the first fan.

Optionally, a projection of the first fan on a plane extending along its rotation axis at least partially falls within a projection of the plurality of ribs in the plane.

Optionally, the second fan is an axial fan; and

The projection of the second fan on the installation plane of the device is located outside the device and causes air to flow along the surface of the device.

Optionally, the refrigerating and freezing device also includes:

The heat dissipation fins are arranged to be thermally connected to the surface of the device away from the installation plane, and include a plurality of ribs; wherein,

One or more of the plurality of ribs is disposed parallel to a rotation axis of the second fan for guiding a flow direction of air blown by the second fan.

Optionally, the projection of the first fan on the installation plane is located in the device, and causes air to flow along the surface of the device; wherein,

The plurality of ribs are arranged so that the projection on the installation plane surrounds the first fan, and forms a heat dissipation air duct on a side of the first fan away from the second fan; and

A projection of the second fan on a plane perpendicular to its rotation axis is at least partially located in the heat dissipation air duct and outside of the first fan.

Optionally, the electromagnetic wave generating system includes:

a signal source configured to generate an electromagnetic wave signal;

a power amplifier, configured to be electrically connected to the signal source, and increase the power of the electromagnetic wave signal; and

A power module, configured to provide electrical energy to the signal source and the power amplifier; wherein,

the device is the power amplifier; and

The second fan is configured to encourage air around the power module to flow toward the power amplifier.

Optionally, the signal source, the power amplifier, and the power supply module are disposed on or above the box and communicated with the indoor environment; and the refrigerating and freezing device further includes:

A cover is arranged above the box, and defines the signal source, the power amplifier, the power module, and the heat dissipation fins between the cover and the box; wherein ,

The casing is formed with at least one air inlet hole and at least one air outlet hole, and the horizontal central axis of at least part of the air inlet holes in the at least one air inlet hole is higher than the horizontal central axis of the at least one air outlet hole; and

There is a space between the casing and the cooling fins in the vertical direction.

Optionally, the plurality of ribs extend in the same direction; and/or

The at least one air inlet hole is disposed at least on one side of the second fan close to the first fan in the radial direction of its rotation axis; and/or

The at least one air outlet is disposed at least on a side of the power amplifier away from the power module; and/or

The refrigerating and freezing device further includes a connecting piece, and the connecting piece is configured to connect the heat dissipation air duct and part of the air outlet holes.

The refrigerating and freezing device of the utility model adopts the first fan and the second fan to dissipate heat for a device of the electromagnetic wave generating system, and the rotation axes of the first fan and the second fan are arranged on different planes, so as to efficiently and effectively High-speed heat dissipation for the heating element prolongs the continuous working time of the electromagnetic wave generating system and ensures the effect of defrosting and defrosting and the service life of the heating element.

Furthermore, the utility model makes the projections of the first fan and the second fan on the installation plane respectively located in the power amplifier and outside the power amplifier, and promotes the air from the upper side of the first fan and around the power module to flow along the power amplifier. The surface flow on the surface can effectively dissipate heat for the power amplifier and power module at the same time, and make the air in the space under the casing circulate in a large range, avoiding local overheating of the heating element, and the structure is compact, occupying a small space, and reducing the impact on the surroundings of the refrigerator and freezer environmental impact.

Further, the heat dissipation fins of the present invention are arranged such that a plurality of ribs extend parallel to the rotation axis of the second fan, and the projection on the power amplifier surrounds the first fan, and is formed on the side of the first fan away from the second fan The heat dissipation air duct is directly connected to the air outlet through the connecting piece, which can fully exchange heat between the air and the heat dissipation fins, and at the same time, quickly discharge the heat generated by the power amplifier and the power module to the outside of the casing, thereby improving The heat dissipation efficiency makes the power amplifier and power module work stably.

According to the following detailed description of specific embodiments of the utility model in conjunction with the accompanying drawings, those skilled in the art will be more aware of the above and other objectives, advantages and features of the utility model.

Description of drawings

Hereinafter, some specific embodiments of the present utility model will be described in detail in an exemplary rather than restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

Fig. 1 is a schematic cross-sectional view of a refrigerator-freezer according to one embodiment of the present invention;

Fig. 2 is a schematic partial cross-sectional view of the refrigerating and freezing device shown in Fig. 1 taken along a horizontal plane;

Fig. 3 is a schematic partial cross-sectional view of the refrigerating and freezing device shown in Fig. 1 taken along a vertical plane, wherein the air inlet and outlet flow paths of the first fan and the second fan are shown;

Fig. 4 is a schematic partial cross-sectional view of the refrigerating and freezing device shown in Fig. 1 taken along a first horizontal plane, wherein the air inlet flow path in the casing is shown;

Fig. 5 is a schematic partial cross-sectional view of the refrigerating and freezing device shown in Fig. 1 taken along a second horizontal plane, wherein the air outlet flow path in the casing is shown;

FIG. 6 is a schematic isometric view of the housing in FIG. 1 .

Detailed ways

Fig. 1 is a schematic cross-sectional view of a refrigerating and freezing device 100 according to an embodiment of the present invention. Referring to FIG. 1 , the refrigerating and freezing apparatus 100 may include a box body 110 defining at least one storage compartment, at least one box door for opening and closing the at least one storage compartment, a refrigeration system and a heating unit. In the present invention, at least one is one, two or more than two.

In the illustrated embodiment, the storage compartment defined by the case 110 may include a freezer compartment 111 and a refrigerated compartment 112 .

The refrigeration system may include a compressor 121, a condenser communicated with the refrigerant outlet of the compressor 121, a throttling element communicated with the refrigerant outlet of the condenser, and a refrigerating evaporator 122 communicated with the refrigerant outlet of the throttling element, so as to provide refrigeration The compartment 111 and the refrigerated compartment 112 provide cooling capacity. Wherein, the freezer compartment 111 may be provided with a freezer fan 123 to promote the circulation of cold air in the freezer compartment 111 or the freezer compartment 112 after heat exchange with the freezer evaporator 122 .

The heating unit may include an electromagnetic wave generating system to generate electromagnetic waves in a storage compartment or a part of a storage compartment to heat the object to be treated.

The heating unit may further include a cylinder body 131 disposed in a storage compartment, and a door body 132 for opening and closing the access opening of the cylinder body 131 . The electromagnetic wave generating system is configured to generate electromagnetic waves inside the barrel 131 .

The electromagnetic wave generating system can also be configured to generate electromagnetic waves throughout the storage compartment.

Specifically, the electromagnetic wave generating system may include a signal source (not shown), a power amplifier 133 , a radiation element, and a power module 134 .

The signal source may be configured to generate an electromagnetic wave signal. The power amplifier 133 can be configured to be electrically connected to the signal source, and increase the power of the electromagnetic wave signal.

The radiating element may be configured to be electrically connected to the power amplifier 133, and radiate the amplified electromagnetic wave to the surrounding environment.

The power module 134 can be configured to provide power to the signal source and the power amplifier 133 .

Fig. 2 is a schematic partial cross-sectional view of the refrigerating and freezing device 100 shown in Fig. 1 taken along a horizontal plane. Referring to FIG. 1 and FIG. 2 , the refrigerating and freezing device 100 may further include a first fan 141 and a second fan 142 for dissipating heat from the electromagnetic wave generating system.

In particular, the rotation axes of the first fan 141 and the second fan 142 can be arranged on different planes, and the air can be urged to flow through a heat generating device of the electromagnetic wave generating system, so as to dissipate heat effectively and at high speed for the heat generating device in different spaces at the same time, extending the The continuous working time of the electromagnetic wave generating system ensures the effect of thawing and defrosting and the service life of heating devices.

In some embodiments, the first fan 141 and the second fan 142 may be configured to dissipate heat from the power amplifier 133 .

The technical solution of the present invention will be introduced below by taking the first fan 141 and the second fan 142 as an example to force the air to flow through the power amplifier 133 .

Fig. 3 is a schematic partial sectional view taken along a vertical plane of the refrigerating and freezing device 100 shown in Fig. 1 , wherein the air inlet and outlet flow paths of the first fan 141 and the second fan 142 are shown; Fig. 4 is a schematic partial sectional view of the refrigerating and freezing device shown in Fig. 1 100 is a schematic partial cross-sectional view taken along the first horizontal plane, which shows the air intake flow path in the casing 160; FIG. 5 is a schematic partial cross-sectional view taken along the second horizontal plane of the refrigerating and freezing device 100 shown in FIG. The air outlet flow path in the casing 160 is shown. Referring to FIG. 2 to FIG. 5 , in some embodiments, the first fan 141 can be configured to force the air to first flow toward the power amplifier 133 and then flow along the surface of the power amplifier 133 to exchange heat with the power amplifier 133 .

In some further embodiments, the first fan 141 may be an axial fan. That is, the first fan 141 blows air toward the power amplifier 133 , the air collides with the surface of the power amplifier 133 and continues to flow along the surface of the power amplifier 133 , so that the air and the power amplifier 133 can fully exchange heat.

The first fan 141 may be spaced from the device to avoid interference between the first fan 141 and the power amplifier 133 and reduce wind resistance.

In some further embodiments, the first fan 141 may be a centrifugal fan. A centrifugal fan may be provided near the power amplifier 133 to suck air from around the power amplifier 133 and blow air out along the surface of the power amplifier 133 .

In some embodiments, the refrigerating and freezing device 100 may further include cooling fins. The cooling fins can be arranged to thermally connect with the surface of the power amplifier 133 close to the first fan 141 , and include a plurality of ribs 151 to increase the heat exchange area of the power amplifier 133 .

The first fan 141 and the cooling fins can be disposed on a side of the power amplifier 133 away from the installation plane of the power amplifier 133 .

A projection of the first fan 141 on an installation plane of the power amplifier 133 may be located inside the power amplifier 133 . Projections of the plurality of ribs 151 on a plane perpendicular to the rotation axis of the first fan 141 may be located on the outer periphery of the first fan 141 to improve heat dissipation efficiency.

The projection of the first fan 141 on a plane extending along its rotation axis can at least partly fall into the projection of the plurality of ribs 151 in the plane, so as to reduce the wind resistance of the air inlet side of the first fan 141 and make the air and The power amplifier 133 is fully heat exchanged.

In some embodiments, the second fan 142 may be an axial fan. The projection of the second fan 142 on the installation plane of the power amplifier 133 can be located outside the power amplifier 133 and encourage air to flow along the surface of the power amplifier 133 so that a larger area of air circulates and dissipates heat for the power amplifier 133 .

The second fan 142 can be configured to force the air around the power module 134 to flow to the power amplifier 133 to dissipate heat for the power amplifier 133 and the power module 134 at the same time.

The rated power and blade size of the second fan 142 may be smaller than the rated power and blade size of the first fan 141, respectively.

One or more of the plurality of ribs 151 of the heat dissipation fins may be disposed parallel to the rotation axis of the second fan 142 to guide a flow direction of air blown by the second fan 142 .

The plurality of ribs 151 can further be configured to extend in the same direction. That is, the extension directions of the plurality of ribs 151 can all be parallel to the rotation axis of the second fan 142 , so that the air around the power amplifier 133 can flow more smoothly, and further improve the heat dissipation efficiency.

In some further embodiments, a plurality of ribs 151 can be arranged so that the projection on the installation plane of the power amplifier 133 surrounds the first fan 141 and forms a cooling air duct on the side of the first fan 141 away from the second fan 142 152.

The projection of the second fan 142 on a plane perpendicular to its rotation axis can be located outside the first fan 141 and at least partly located in the cooling air duct 152 , so that the heat generated by the power amplifier 133 can be quickly discharged.

The refrigerating-freezing apparatus 100 may further include a communication member 170 . The connecting piece 170 can be set to connect the heat dissipation air channel 152 and some of the air outlet holes 162, so that the hot air can be discharged quickly, and the heat dissipation efficiency can be further improved.

In some embodiments, the signal source, the power amplifier 133, and the power module 134 can be disposed on or above the box body 110, and communicate with the indoor environment, so as to improve heat dissipation efficiency and reduce impact on the storage compartment.

In the embodiment shown in FIG. 3 , a downwardly recessed accommodation groove 113 can be formed on the top of the box body 110 , and the signal source, power amplifier 133 , and power module 134 can be disposed in the accommodation groove 113 .

FIG. 6 is a schematic isometric view of the housing 160 in FIG. 1 . Referring to FIGS. 3 to 6 , the refrigerating and freezing device 100 may further include a casing 160 disposed above the box body 110 . The casing 160 can define the signal source, the power amplifier 133 , the power module 134 , and the cooling fins between the casing 160 and the box body 110 to improve safety.

The casing 160 may be formed with at least one air inlet hole 161 and at least one air outlet hole 162 to circulate air.

The horizontal central axis of at least some of the air inlet holes 161 may be higher than the horizontal central axis of at least one air outlet hole 162, so as to avoid mutual interference between the air inlet and the air outlet, and reduce wind resistance.

There may be a space between the casing 160 and the cooling fins in the vertical direction, so as to increase the air volume of the air flowing into the casing 160 from the outside of the casing 160 .

The air inlet hole 161 can be disposed at least on one side of the second fan 142 close to the first fan 141 in the radial direction of its rotation axis, so as to avoid interfering with the air inlet and outlet of the second fan 142 .

The air outlet 162 can be disposed at least on a side of the power amplifier 133 away from the power module 134 to improve heat dissipation efficiency and prevent the power amplifier 133 from overheating.

The number of the air inlet hole 161 and the number of the air outlet hole 162 can be multiple. In the embodiment shown in FIGS. 3 to 5 , the air inlet holes 161 can be distributed on the two peripheral walls of the casing 160 located in the radial direction of the rotation axis of the second fan 142 , and the casing 160 is located on the far side of the power module 134 . A peripheral wall on one side of the power amplifier 133 . The air intake hole 161 located on a side of the power module 134 away from the power amplifier 133 is disposed at a position corresponding to the second fan 142 .

The air outlet holes 162 may be distributed on two peripheral walls of the casing 160 located in the axial direction of the rotation axis of the second fan 142 .

In some other embodiments, the air inlet holes 161 may only be distributed on two peripheral walls of the casing 160 located in the radial direction of the rotation axis of the second fan 142 . The air outlet holes 162 may only be distributed on the surrounding wall of the housing 160 on the side of the power amplifier 133 away from the second fan 142 . Part of the air blown out by the first fan 141 collides with the surrounding wall of the casing 160 close to the power module 134 , flows along the surrounding wall, is sucked by the second fan 142 , and is finally discharged through the cooling air duct 152 .

So far, those skilled in the art should recognize that although a number of exemplary embodiments of the present invention have been shown and described in detail herein, they can still be used according to the present invention without departing from the spirit and scope of the present invention. Many other variations or modifications that conform to the principles of the utility model are directly determined or derived from the disclosed content of the new model. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A refrigerating and freezing device, characterized in that, comprising: a box body defining at least one storage compartment; An electromagnetic wave generating system configured to generate electromagnetic waves in one of the storage compartments or a part of one of the storage compartments to heat the object to be treated; and The first fan and the second fan are used to dissipate heat for the electromagnetic wave generating system; wherein, The rotation axes of the first fan and the second fan are arranged on different planes, and cause air to flow through a device of the electromagnetic wave generating system. 2. The refrigerator-freezer according to claim 1, wherein: the first fan is an axial fan; and There is a space between the first fan and the device, and it is arranged to encourage the air to flow in a direction close to the device and then flow along the surface of the device. 3. The refrigerator-freezer according to claim 2, further comprising: The heat dissipation fins are arranged to be thermally connected to the surface of the device close to the first fan, including a plurality of ribs; wherein, Projections of the plurality of ribs on a plane perpendicular to the rotation axis of the first fan are located on the outer periphery of the first fan. 4. The refrigerator-freezer according to claim 3, wherein: A projection of the first fan on a plane extending along its axis of rotation falls at least partially within a projection of the plurality of ribs in the plane. 5. The refrigerator-freezer according to claim 1, characterized in that, the second fan is an axial fan; and The projection of the second fan on the installation plane of the device is located outside the device and causes air to flow along the surface of the device. 6. The refrigerator-freezer according to claim 5, further comprising: The heat dissipation fins are arranged to be thermally connected to the surface of the device away from the installation plane, and include a plurality of ribs; wherein, One or more of the plurality of ribs is disposed parallel to a rotation axis of the second fan for guiding a flow direction of air blown by the second fan. 7. The refrigerator-freezer according to claim 6, wherein: The projection of the first fan on the installation plane is located within the device and causes air to flow along the surface of the device; wherein, The plurality of ribs are arranged so that the projection on the installation plane surrounds the first fan, and forms a heat dissipation air duct on a side of the first fan away from the second fan; and A projection of the second fan on a plane perpendicular to its rotation axis is at least partially located in the heat dissipation air duct and outside of the first fan. 8. The refrigeration and freezing device according to claim 7, wherein the electromagnetic wave generating system comprises: a signal source configured to generate an electromagnetic wave signal; a power amplifier, configured to be electrically connected to the signal source, and increase the power of the electromagnetic wave signal; and A power module, configured to provide electrical energy to the signal source and the power amplifier; wherein, the device is the power amplifier; and The second fan is configured to encourage air around the power module to flow toward the power amplifier. 9. The refrigerator-freezer according to claim 8, wherein: The signal source, the power amplifier, and the power supply module are arranged on the top or above the box and communicated with the indoor environment; and the refrigerating and freezing device further includes: A cover is arranged above the box, and defines the signal source, the power amplifier, the power module, and the heat dissipation fins between the cover and the box; wherein , The casing is formed with at least one air inlet hole and at least one air outlet hole, and the horizontal central axis of at least part of the air inlet holes in the at least one air inlet hole is higher than the horizontal central axis of the at least one air outlet hole; and There is a space between the casing and the cooling fins in the vertical direction. 10. The refrigerator-freezer according to claim 9, wherein: The plurality of ribs extend in the same direction; and/or The at least one air inlet hole is disposed at least on one side of the second fan close to the first fan in the radial direction of its rotation axis; and/or The at least one air outlet is disposed at least on a side of the power amplifier away from the power module; and/or The refrigerating and freezing device further includes a connecting piece, and the connecting piece is configured to connect the heat dissipation air duct and part of the air outlet holes.

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