CN212205287U - Refrigerating and freezing device - Google Patents
Refrigerating and freezing device Download PDFInfo
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- CN212205287U CN212205287U CN202020467340.6U CN202020467340U CN212205287U CN 212205287 U CN212205287 U CN 212205287U CN 202020467340 U CN202020467340 U CN 202020467340U CN 212205287 U CN212205287 U CN 212205287U
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Abstract
The utility model provides a cold-stored refrigeration device. The refrigerating and freezing device comprises a box body, a circuit system and a cover shell, wherein the box body is provided with at least one storage compartment with a front opening, the circuit system is at least partially arranged above the box body, and the cover shell is arranged above the box body and covers part of the circuit system. The housing is provided with a plurality of heat dissipation vents in the circumferential direction, and the lower side periphery of each heat dissipation vent extends inwards and upwards to form a liquid guide part. The utility model discloses a housing sets up a plurality of heat dissipation vents on its circumference direction to be provided with respectively from a plurality of liquid guide portions of inside and upwards extending of the downside periphery department of a plurality of heat dissipation vents, can satisfy the heat dissipation demand, not increase the occupation space of housing inside, avoid liquid to get into the housing via the vent, and this structure is convenient for workman's installation and later stage user cleanness, avoid the appearance of fish tail condition, improved the security.
Description
Technical Field
The utility model relates to a cold-stored refrigeration field especially relates to a cold-stored refrigeration device.
Background
In the prior art, part of the refrigeration and freezing device arranges electric devices such as a control circuit board above a box body to increase the storage space of the refrigeration and freezing device and facilitate the heat dissipation of the electric devices. The enclosure corresponding to the electrical device is usually provided with a vent through which gas can flow, but if a user spills liquid on the enclosure or liquid drips on the enclosure in case of other accidents, the liquid can enter the interior of the enclosure through the vent, which causes a safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome at least one technical defect among the prior art, provide a cold-stored refrigeration device.
A further object of the present invention is to avoid liquid entering the housing.
The utility model discloses another further purpose improves the radiating efficiency.
Particularly, the utility model provides a cold-stored refrigeration device, its characterized in that includes:
a case defining at least one storage compartment with a forward opening;
the circuit system is at least partially arranged above the box body; and
the cover shell is arranged above the box body and covers part of the circuit system; wherein
The housing is provided with a plurality of heat dissipation vents in the circumferential direction; and is
And a liquid guide part extends inwards and upwards from the lower side periphery of each heat dissipation ventilation opening.
Optionally, the refrigeration and freezing apparatus further comprises:
the circuit box is fixedly connected with the box body, and the part of the circuit system covered by the housing is arranged in the circuit box; wherein
Two annular rib plates extending upwards are formed at the periphery of the circuit box; and is
The housing is clamped between the two annular rib plates.
Optionally, each liquid guide part is formed with a first liquid guide surface and a second liquid guide surface; wherein
The first liquid guide surface is arranged to extend inwards and protrude outwards from the lower side periphery of one heat dissipation ventilation opening; and is
The second liquid guide surface is arranged to extend inwards from the upper side end of the first liquid guide surface and protrude outwards so as to guide the liquid on the second liquid guide surface into the space between the two annular ribs.
Optionally, the annular rib plate located at the outer side is provided with at least one liquid discharge port.
Optionally, the annular rib plate located at the inner side is provided with a clamping part which extends outwards and bends downwards; and is
The housing is correspondingly provided with a bayonet, and the clamping part is clamped with the bayonet.
Optionally, an upper side edge of each liquid guide part is lower than an upper side edge of the corresponding heat dissipation vent.
Optionally, the refrigeration and freezing apparatus further comprises:
the cylinder is arranged in one storage chamber and used for placing an object to be treated; and is
The circuit system comprises an electromagnetic wave generating circuit, at least one part of which is arranged in the cylinder or reaches the cylinder so as to generate electromagnetic waves in the cylinder to heat an object to be treated; wherein the electromagnetic wave generating circuit includes:
an electromagnetic wave generation module configured to generate an electromagnetic wave signal; and
and the power supply module is configured to provide electric energy for the electromagnetic wave generation module, and the housing is arranged to cover the electromagnetic wave generation module and the power supply module.
Optionally, the refrigeration and freezing apparatus further comprises:
and the at least one cooling fan is arranged in the housing and is used for cooling the electromagnetic wave generation module and the power supply module.
Optionally, the refrigeration and freezing apparatus further comprises:
the radiating fins are arranged to be thermally connected with the electromagnetic wave generation module and comprise a plurality of rib plates which are arranged in parallel at intervals; wherein
The at least one heat dissipation fan is arranged on one side of the heat dissipation fins, which is far away from the electromagnetic wave generation module, and is used for sucking gas from one side of the heat dissipation fins, which is far away from the electromagnetic wave generation module, and blowing the gas out along the plurality of rib plates; and is
The extending directions of the plurality of ribbed plates are set to be parallel to the direction of the electromagnetic wave generation module close to the power supply module.
Optionally, the refrigeration and freezing apparatus further comprises:
the electromagnetic wave generation module and the power supply module are arranged in the circuit box; wherein
The outer box of the box body is provided with an installation opening penetrating through the outer box in the thickness direction, and the circuit box is installed in the installation opening; and is
One circumferential side plate of the circuit box comprises an inclined section which is inclined from bottom to top and extends outwards, and an electric connection wire of the electromagnetic wave generation module is arranged to penetrate through the inclined section to be electrically connected with an electric device in the cylinder.
The utility model discloses a housing sets up a plurality of heat dissipation vents on its circumference direction to be provided with respectively from a plurality of liquid guide portions of inside and upwards extending of the downside periphery department of a plurality of heat dissipation vents, can satisfy the heat dissipation demand, not increase the occupation space of housing inside, avoid liquid to get into the housing via the vent, and this structure is convenient for workman's installation and later stage user cleanness, avoid the appearance of fish tail condition, improved the security.
Further, the utility model discloses an every liquid guide portion all is formed with from the lower side periphery of heat dissipation vent inwards extends and outside convex first liquid guide surface and leads the liquid surface from the upside tip of first liquid guide surface inwards extending and outside convex second, can avoid liquid to get into the inside of housing between two annular floor of circuit box with liquid to avoid liquid to drip or splash to the outside of outside annular floor, further improved the security.
Further, the utility model discloses a set up the low reaches of power module at the electromagnetic wave emergence module to make radiator fan take place the module and the power module heat dissipation for the electromagnetic wave simultaneously, improved structural compactness, reduced occupation space, improved the radiating efficiency of electromagnetic wave emergence module and power module on the whole.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic exploded view of a refrigeration and freezing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a heating unit of one embodiment of the present invention;
FIG. 3 is a schematic block diagram of the controller of FIG. 2;
fig. 4 is a schematic structural view of the electromagnetic wave generating module of fig. 2;
FIG. 5 is a schematic partial cross-sectional view of the refrigeration freezer of FIG. 1 taken along a vertical plane;
FIG. 6 is a schematic enlarged view of region A in FIG. 5;
FIG. 7 is a schematic partial cross-sectional view of the refrigeration freezer of FIG. 1 taken along a horizontal plane;
figure 8 is a schematic partial isometric view of the refrigeration freezer of figure 1;
FIG. 9 is a schematic partial cross-sectional view of the refrigerated freezer of FIG. 1 taken along another vertical plane;
fig. 10 is a schematic flow chart of a control method for a heating unit according to an embodiment of the present invention;
fig. 11 is a detailed flowchart of a control method for a heating unit according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic exploded view of a refrigeration and freezing apparatus 200 according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the heating unit 100 according to an embodiment of the present invention. Referring to fig. 1 and 2, the refrigerating and freezing apparatus 200 may include a cabinet 210 defining at least one storage compartment, at least one door body for opening and closing the at least one storage compartment, a heating unit 100, and a controller. In the present invention, the refrigerating and freezing device 200 can be a device having a refrigerating or freezing function, such as a refrigerator, a freezer, and a wine cabinet.
The cabinet 210 may include an inner container defining at least one storage compartment, an outer container, and an insulation layer disposed between the inner container and the outer container.
The heating unit 100 may include a cylinder 110, a door, and an electromagnetic wave generating circuit, which are disposed in one storage compartment of the cabinet 210.
Specifically, the drum 110 may define a heating chamber for placing the object 170 to be processed, and a front wall thereof may be opened with an access opening for accessing the object 170 to be processed.
The door body may be mounted to the barrel 110 by any suitable means, such as a sliding rail, a hinge, etc., for opening and closing the access opening.
The electromagnetic wave generating circuit may be at least partially disposed in the cylinder 110 or reach the cylinder 110 to generate electromagnetic waves in the cylinder 110 to heat the object 170.
The cylinder 110 and the door body can be respectively provided with electromagnetic shielding characteristics, so that the door body is in conductive connection with the cylinder 110 in a closed state to prevent electromagnetic leakage.
Fig. 3 is a schematic block diagram of the controller 140 of fig. 2. Referring to fig. 3, the controller 140 may include a processing unit 141 and a storage unit 142. Wherein the storage unit 142 stores a computer program 143, and the computer program 143 is used for implementing the control method according to the embodiment of the present invention when being executed by the processing unit 141.
The electromagnetic wave generation module 120 may be configured to generate an electromagnetic wave signal. Fig. 4 is a schematic structural diagram of the electromagnetic wave generation module 120 in fig. 2. Referring to fig. 4, in some embodiments, the electromagnetic wave generation module 120 may include a frequency source 121, a power amplifier 122, and a processing unit 123.
The power supply module 180 may be electrically connected to the electromagnetic wave generating module 120 to provide electric energy for the electromagnetic wave generating module 120, so that the electromagnetic wave generating module 120 generates an electromagnetic wave signal.
The radiation antenna 150 may be disposed in the cylinder 110 and electrically connected to the electromagnetic wave generating module 120 to generate electromagnetic waves with corresponding frequencies according to the electromagnetic wave signals to heat the object 170 to be processed in the cylinder 110.
The matching module 160 may be connected in series between the electromagnetic wave generating module 120 and the radiation antenna 150, and may be configured to adjust a load impedance of the electromagnetic wave generating module 120 by adjusting its own impedance, so as to implement load matching and improve heating efficiency.
In some further embodiments, the cylinder 110 may be made of metal to act as a receiver pole for the radiating antenna 150. In this embodiment, the barrel 110 itself is the electromagnetic shielding feature of the barrel 110.
In still further embodiments, the electromagnetic wave generating circuit further comprises a receiving plate disposed opposite the radiation antenna 150 and electrically connected to the electromagnetic wave generating module 120. In this embodiment, the inner wall of the cylinder 110 may be coated with a metal coating or attached with a metal mesh or the like as an electromagnetic shielding feature of the cylinder 110.
In particular, the heating unit 100 may further include at least one heat dissipation fan for dissipating heat of the electromagnetic wave generation module 120 and the power supply module 180. In the present invention, the number of the heat dissipation fans 230 may be one, two, or more than two.
The utility model discloses a radiator fan 230 takes place module 120 and power module 180 heat dissipation for the electromagnetic wave simultaneously to the realization takes place module 120 and power module 180's high-efficient cooling to the electromagnetic wave, improves compact structure nature, reduces occupation space.
In some embodiments, the power supply module 180 may be disposed downstream of the electromagnetic wave generation module 120. That is, the heat dissipation fan 230 at least generates an airflow passing through the electromagnetic wave generation module 120 and then the power supply module 180, so as to further improve the structural compactness and reduce the occupied space while achieving efficient cooling of the electromagnetic wave generation module 120 and the power supply module 180.
Figure 5 is a schematic partial cross-sectional view of the refrigeration freezer of figure 1 taken along a vertical plane. Referring to fig. 5, the electromagnetic wave generating module 120 and the power supply module 180 may be disposed outside the heat insulating layer of the box 210 to reduce the influence of heat generated by the electromagnetic wave generating circuit on the storage compartment of the box 210, thereby improving the preservation quality of food materials in the storage compartment.
The electromagnetic wave generation module 120 and the power supply module 180 may be disposed in the storage compartment and outside the heating chamber of the cylinder 110.
For the convenience of understanding of the present invention, the present invention will be described below by taking as an example that the number of the heat dissipation fans 230 is one and the electromagnetic wave generation module 120 and the power supply module 180 are disposed outside the heat insulation layer of the box 210.
In some embodiments, a surface of the power module 180 on the air blowing path of the heat dissipation fan 230 may be provided with a heat conductive paste (not shown) to improve the heat dissipation efficiency of the power module 180.
Figure 7 is a schematic partial cross-sectional view of the refrigerated freezer of figure 1 taken along a horizontal plane. Referring to fig. 5 and 7, the heating unit 100 may further include a heat radiation fin 240 thermally connected to the electromagnetic wave generating module 120.
The heat dissipation fins 240 may include a plurality of ribs arranged in parallel and at intervals to increase the heat dissipation area of the electromagnetic wave generation module 120, thereby increasing the heat dissipation efficiency of the electromagnetic wave generation module 120.
The heat dissipation fins 240 may further include a base plate integrally formed with a plurality of ribs for thermal connection with the electromagnetic wave generating module 120.
The heat dissipation fan 230 may be disposed on a side of the heat dissipation fin 240 away from the electromagnetic wave generating module 120. And the heat dissipation fan 230 may be configured to suck air from a side thereof away from the electromagnetic wave generation module 120 and blow the air out along the plurality of ribs, so as to reduce an occupied space of the electromagnetic wave generation module 120, the power supply module 180, and the heat dissipation fan 230 in an axial direction of the heat dissipation fan 230 while ensuring a heat dissipation effect.
The extending direction of the plurality of ribs may be set to be parallel to the direction in which the electromagnetic wave generating module 120 approaches the power supply module 180, so that the airflow after heat exchange with the electromagnetic wave generating module 120 flows through the power supply module 180 and takes away heat generated by the power supply module 180.
The plurality of ribs may form an accommodating space recessed toward the direction close to the electromagnetic wave generating module 120, and the heat dissipation fan 230 may be disposed in the accommodating space.
The projection of the heat dissipation fan 230 in the imaginary plane parallel to the plurality of ribs can completely fall into at least one rib, and a space is left between the projection and the lateral edge of the completely fallen at least one rib close to the electromagnetic wave generating module 120, so as to increase the air intake of the heat dissipation fan 230, quickly and uniformly take away the heat on the heat dissipation fins 240, and further increase the heat dissipation efficiency of the electromagnetic wave generating module 120.
Fig. 8 is a schematic partial isometric view of the refrigeration freezer 200 shown in fig. 1. Referring to fig. 8, the refrigerating and freezing apparatus 200 may further include a housing 220. The housing 220 may be configured to cover the electromagnetic wave generation module 120, the power supply module 180, and the heat dissipation fan 230, so as to improve the safety of the refrigeration and freezing apparatus 200, prevent the electromagnetic wave generation module 120, the power supply module 180, and the heat dissipation fan 230 from depositing dust, and prolong the service life.
The casing 220 may be provided with a plurality of heat dissipation vents for the heat dissipation fan 230 to suck air and blow out the heat-exchanged air.
The plurality of heat dissipation vents may be divided into a plurality of intake ports 221a and a plurality of exhaust ports 221 b. The plurality of air inlets 221a may be distributed at front and rear circumferential side plates of the housing 220. The plurality of air outlets 221b may be distributed on two lateral circumferential side plates of the casing 220, that is, the heat dissipation fan 230 sucks air from the front and rear sides of the casing 220 and blows out the heat-exchanged air to the lateral sides of the casing 220.
The heat dissipation fins 240 may be spaced apart from the housing 220 to reduce wind resistance, increase the amount of air supplied to the heat dissipation fan 230, and further increase heat dissipation efficiency.
The access openings of the storage compartments of the case 210 may be all forward openings 241. The electromagnetic wave generation module and the power supply module can be arranged above the heat insulation layer and arranged at intervals in the transverse direction so as to further reduce wind resistance.
Referring to fig. 7, the plurality of ribs may extend in the transverse direction, and a portion of the plurality of ribs located at the front side of the heat dissipation fan 230 may be provided with an opening 241 for air to flow in, and the heat dissipation fan 230 may be further configured to suck air from the opening 241, so as to further increase the air intake of the heat dissipation fan 230.
Fig. 6 is a schematic enlarged view of the region a in fig. 5. Referring to fig. 6 and 8, the casing 220 is provided with a plurality of liquid guiding portions 222 extending inwardly and upwardly from the lower peripheries of the plurality of heat dissipating vents, respectively, i.e., one liquid guiding portion 222 extending inwardly and upwardly from the lower periphery of each heat dissipating vent, so as to prevent liquid from entering the casing 220 and damaging the electric devices in the casing 220.
The upper edge of each liquid guiding portion 222 may be lower than the upper edge of the corresponding heat dissipation vent to reduce wind resistance and improve heat dissipation efficiency.
Figure 9 is a schematic partial cross-sectional view of the refrigerated freezer of figure 1 taken along another vertical plane. Referring to fig. 6, 8 and 9, the refrigerating and freezing device 200 may further include a circuit box 250 fixedly coupled to the case 210. The components covered by the cover 220 may be disposed in the circuit box 250 to facilitate assembly of the whole device.
In some embodiments, the outer case of the case 210 may be formed with a mounting opening 241 penetrating the outer case in a thickness direction, and the circuit box 250 may be mounted to the mounting opening 241.
One circumferential side plate of the circuit box 250 may include an inclined section 254 extending obliquely outward from bottom to top, and the electrical connection line of the electromagnetic wave generating module 120 may be disposed to electrically connect with the electrical devices in the cylinder 110 through the inclined section 254, to secure the structural strength of the circuit box 250, and to facilitate the electrical connection of the electrical devices.
In some embodiments, two annular ribs 251 are formed at the periphery of the circuit box 250 extending upward. The cover 220 can be clamped between two annular ribs 251 to achieve a good seal.
Specifically, each liquid guide portion 222 may be formed with a first liquid guide surface 222a and a second liquid guide surface 222 b. The first fluid guide surface 222a may be provided to extend inward and protrude outward from a lower periphery of one heat dissipation vent. The second liquid guiding surface 222b may be provided to extend inward from an upper end of the first liquid guiding surface 222a and protrude outward to guide the liquid thereon into the water storage groove formed between the two annular ribs 251, prevent the liquid from entering the interior of the housing 220, and prevent the liquid from dropping or splashing to the outside of the outer annular ribs 251.
The outer annular ribs 251 may be provided with at least one drain 252 to drain the liquid between the two annular ribs 251.
The annular rib 251 located at the inner side may be provided with a trim portion 253 extending outward and bent downward. The housing 220 is correspondingly formed with a bayonet, and the fastening portion 253 may be configured to be fastened with the bayonet, so as to improve stability of the housing 220.
In some embodiments, the cover 220 may further include a fixing portion for fixing and connecting with the outer case of the box 210, so as to further improve the stability of the cover 220.
It should be noted that, in the electric circuit system of the refrigerating and freezing apparatus 200, other electric devices except the electromagnetic wave generating circuit may be disposed outside the heat insulating layer of the box 210 as needed, and may be accommodated in the circuit box 250 according to any of the foregoing embodiments and covered with the cover 220 according to any of the foregoing embodiments, so as to prevent damage to the electric devices due to dust and liquid.
In some embodiments, the processing unit 141 may be configured to obtain the forward power signal output by the electromagnetic wave generating module 120 and the reverse power signal returned to the electromagnetic wave generating module 120 when the electromagnetic wave generating module 120 is in operation, calculate the electromagnetic wave absorption rate of the object to be processed 170 according to the forward power signal and the reverse power signal, and adjust the rotation speed of the heat dissipation fan 230 according to the power value of the forward power signal (i.e., the output power of the electromagnetic wave generating module 120) and the electromagnetic wave absorption rate.
A bidirectional coupler 130 may be connected in series between the electromagnetic wave generating module 120 and the radiation antenna 150 to monitor a forward power signal output by the electromagnetic wave generating module 120 and a reverse power signal returned to the electromagnetic wave generating module 120.
The utility model discloses the rotational speed of radiator fan 230 is adjusted to the electromagnetic wave absorption rate according to the output of electromagnetic wave generation module 120 and pending thing 170, compare in the rotational speed of temperature regulation radiator fan 230 according to electromagnetic wave generation module 120, need not to set up extra temperature sensing device, can reflect the heat that electromagnetic wave generation module 120 produced more accurately, when the realization takes place module 120 and power module 180's abundant radiating to the electromagnetic wave, the energy waste and the noise pollution of having avoided the unexpected, user experience has been improved.
In some further embodiments, the processing unit 141 may be configured to match the rotation speed of the heat dissipation fan 230 according to a preset rotation speed comparison relationship according to the power value of the forward power signal and the electromagnetic wave absorption rate. Wherein, the rotating speed contrast relation records the power values in different ranges and the rotating speeds corresponding to the electromagnetic wave absorption rates in different ranges.
Under the condition that the power value of the forward power signal is the same, the rotation speed of the heat dissipation fan 230 may be negatively correlated with the average value of the electromagnetic wave absorption rates in different ranges; under the condition of the same electromagnetic wave absorption rate, the rotation speed of the cooling fan 230 may be positively correlated with the average value of the power values in different ranges, so as to efficiently and energy-efficiently cool the electromagnetic wave generating module 120.
The comparison relationship of the rotation speed can also be a formula which records different power values, electromagnetic wave absorption rates and rotation speeds.
The processing unit 141 may be further configured to obtain the temperature of the processing unit 123 of the electromagnetic wave generation module 120 in real time when the electromagnetic wave generation module 120 is operated, and control the frequency source 121 and the power amplifier 122 to stop operating when the temperature of the processing unit 123 is greater than or equal to a preset temperature threshold value, so as to ensure the service life of the processing unit 123.
The processing unit 141 may be further configured to control the heat dissipation fan 230 to operate at the rated speed for a first preset time and then stop operating after the frequency source 121 and the power amplifier 122 are controlled to stop operating, so as to quickly dissipate heat in the enclosure 220 and avoid heat accumulation.
Fig. 10 is a schematic flow chart of a control method for the heating unit 100 according to an embodiment of the present invention. Referring to fig. 10, the control method for the heating unit 100 according to the present invention executed by the controller 140 of any of the above embodiments may include the following steps:
step S1002: a forward power signal output by the electromagnetic wave generation module 120 and a reverse power signal returned to the electromagnetic wave generation module 120 are acquired.
Step S1004: the electromagnetic wave absorption rate of the object to be processed 170 is calculated from the forward power signal and the reverse power signal.
Step S1006: the rotation speed of the heat dissipation fan 230 is adjusted according to the power value of the forward power signal and the electromagnetic wave absorption rate.
The utility model discloses the rotational speed of radiator fan 230 is adjusted to the electromagnetic wave absorption rate according to the output of electromagnetic wave generation module 120 and pending thing 170, compare in the rotational speed of temperature regulation radiator fan 230 according to electromagnetic wave generation module 120, need not to set up extra temperature sensing device, can reflect the heat that electromagnetic wave generation module 120 produced more accurately, when the realization takes place module 120 and power module 180's abundant radiating to the electromagnetic wave, the energy waste and the noise pollution of having avoided the unexpected, user experience has been improved.
Fig. 11 is a detailed flowchart of a control method for the heating unit 100 according to an embodiment of the present invention. Referring to fig. 11, the control method for the heating unit 100 of the present invention may include the following steps:
step S1102: the temperature of the processing unit of the electromagnetic wave generation module 120 is acquired.
Step S1104: it is determined whether the temperature of the processing unit 123 of the electromagnetic wave generation module 120 itself is greater than or equal to a preset temperature threshold. If yes, go to step S1106; if not, go to step S1108.
Step S1106: the frequency source 121 and the power amplifier 122 are controlled to stop working, and the heat dissipation fan 230 works at the rated rotation speed for a first preset time and stops working after the first preset time, so as to ensure the service life of the processing unit 123 and avoid heat accumulation in the housing 220.
Step S1108: a forward power signal output by the electromagnetic wave generation module 120 and a reverse power signal returned to the electromagnetic wave generation module 120 are acquired. In this step, the forward power signal and the reverse power signal may be monitored by the bidirectional coupler 130 connected in series between the electromagnetic wave generation module 120 and the radiation antenna 150. Step S1110 is executed.
Step S1110: the electromagnetic wave absorption rate of the object to be processed 170 is calculated from the forward power signal and the reverse power signal. Step S1112 is executed.
Step S1112: the rotation speed of the heat dissipation fan 230 is matched according to the power value of the forward power signal and the electromagnetic wave absorption rate according to a preset rotation speed comparison relationship. Wherein, under the condition that the power value of the forward power signal is the same, the rotation speed of the cooling fan 230 may be negatively correlated with the average value of the electromagnetic wave absorption rates in different ranges; under the condition of the same electromagnetic wave absorption rate, the rotation speed of the cooling fan 230 may be positively correlated with the average value of the power values in different ranges, so as to efficiently and energy-efficiently cool the electromagnetic wave generating module 120. The process returns to step S1102.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A refrigeration freezer apparatus, comprising:
a case defining at least one storage compartment with a forward opening;
the circuit system is at least partially arranged above the box body; and
the cover shell is arranged above the box body and covers part of the circuit system; wherein
The housing is provided with a plurality of heat dissipation vents in the circumferential direction; and is
And a liquid guide part extends inwards and upwards from the lower side periphery of each heat dissipation ventilation opening.
2. A refrigerator-freezer as claimed in claim 1, further comprising:
the circuit box is fixedly connected with the box body, and the part of the circuit system covered by the housing is arranged in the circuit box; wherein
Two annular rib plates extending upwards are formed at the periphery of the circuit box; and is
The housing is clamped between the two annular rib plates.
3. A refrigerator-freezer according to claim 2,
each liquid guide part is provided with a first liquid guide surface and a second liquid guide surface; wherein
The first liquid guide surface is arranged to extend inwards and protrude outwards from the lower side periphery of one heat dissipation ventilation opening; and is
The second liquid guide surface is arranged to extend inwards from the upper side end of the first liquid guide surface and protrude outwards so as to guide the liquid on the second liquid guide surface into the space between the two annular ribs.
4. A refrigerator-freezer according to claim 2,
the annular ribbed plate positioned on the outer side is provided with at least one liquid discharge port.
5. A refrigerator-freezer according to claim 2,
the annular rib plate positioned on the inner side is provided with a clamping part which extends outwards and bends downwards; and is
The housing is correspondingly provided with a bayonet, and the clamping part is clamped with the bayonet.
6. A refrigerator-freezer according to claim 1,
the upper side edge of each liquid guide part is lower than the upper side edge of the corresponding heat dissipation vent.
7. A refrigerator-freezer as claimed in claim 1, further comprising:
the cylinder is arranged in one storage chamber and used for placing an object to be treated; and is
The circuit system comprises an electromagnetic wave generating circuit, at least one part of which is arranged in the cylinder or reaches the cylinder so as to generate electromagnetic waves in the cylinder to heat an object to be treated; wherein the electromagnetic wave generating circuit includes:
an electromagnetic wave generation module configured to generate an electromagnetic wave signal; and
and the power supply module is configured to provide electric energy for the electromagnetic wave generation module, and the housing is arranged to cover the electromagnetic wave generation module and the power supply module.
8. A refrigerator-freezer according to claim 7, further comprising:
and the at least one cooling fan is arranged in the housing and is used for cooling the electromagnetic wave generation module and the power supply module.
9. A refrigerator-freezer according to claim 8, further comprising:
the radiating fins are arranged to be thermally connected with the electromagnetic wave generation module and comprise a plurality of rib plates which are arranged in parallel at intervals; wherein
The at least one heat dissipation fan is arranged on one side of the heat dissipation fins, which is far away from the electromagnetic wave generation module, and is used for sucking gas from one side of the heat dissipation fins, which is far away from the electromagnetic wave generation module, and blowing the gas out along the plurality of rib plates; and is
The extending directions of the plurality of ribbed plates are set to be parallel to the direction of the electromagnetic wave generation module close to the power supply module.
10. A refrigerator-freezer according to claim 7, further comprising:
the electromagnetic wave generation module and the power supply module are arranged in the circuit box; wherein
The outer box of the box body is provided with an installation opening penetrating through the outer box in the thickness direction, and the circuit box is installed in the installation opening; and is
One circumferential side plate of the circuit box comprises an inclined section which is inclined from bottom to top and extends outwards, and an electric connection wire of the electromagnetic wave generation module is arranged to penetrate through the inclined section to be electrically connected with an electric device in the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467340.6U CN212205287U (en) | 2020-04-02 | 2020-04-02 | Refrigerating and freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467340.6U CN212205287U (en) | 2020-04-02 | 2020-04-02 | Refrigerating and freezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212205287U true CN212205287U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020467340.6U Active CN212205287U (en) | 2020-04-02 | 2020-04-02 | Refrigerating and freezing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212205287U (en) |
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2020
- 2020-04-02 CN CN202020467340.6U patent/CN212205287U/en active Active
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