CN210985675U - Charging device - Google Patents
Charging device Download PDFInfo
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- CN210985675U CN210985675U CN201920185063.7U CN201920185063U CN210985675U CN 210985675 U CN210985675 U CN 210985675U CN 201920185063 U CN201920185063 U CN 201920185063U CN 210985675 U CN210985675 U CN 210985675U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model provides a charging device relates to the mobile device technical field that charges, include: the device comprises a heat-insulation supporting component, a thermoelectric generation sheet, a reaction container, a heat conduction container, a liquid inlet device and a voltage output device; one side and the laminating of heat conduction container through the thermoelectric generation piece, reaction vessel takes place chemical reaction, the heat passes through heat conduction container and transmits to one side of thermoelectric generation piece, the opposite side of thermoelectric generation piece and the cold source contact in the heat preservation supporting component, because there is the difference in temperature in thermoelectric generation piece both sides, form the thermoelectric force, directly turn into the electric energy with heat energy, carry the electric energy to the outside consumer that needs to charge through voltage output device, the heat of having alleviated the chemical reaction production that exists among the prior art does not obtain fine utilization, can't turn into the electric energy with the heat energy that scatters and disappears, cause the extravagant technical problem of resource, realized turning into the electric energy with the heat energy that chemical reaction produced and supply the technological effect that the mobile device charges.
Description
Technical Field
The utility model belongs to the technical field of the mobile device technique of charging and specifically relates to a charging device is related to.
Background
Electric power is an indispensable necessary product in modern society, people's life is more and more unable to leave smart mobile phone, however the cell-phone just must have the power to charge, in case meet special circumstances, under the condition of not having the power, the cell-phone that does not have the electricity just can not continue to use, portable power source duration is also not long, can not reach and take at any time, and can not realize automatic replenishment after the electric quantity of emergent battery is used up, ordinary solar power system requires highly to the external environment.
Articles used in production and life are often prepared from another common substance through chemical reaction, and most of the chemical reactions are exothermic reactions and can release a large amount of heat to be released in the air.
However, the heat generated by the chemical reaction is released into the air to dissipate the heat energy, and the heat energy is not well utilized and cannot be converted into electric energy, which causes waste of resources.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a charging device to the heat release that the chemical reaction that has alleviated exists among the prior art produced in the air, in order scattering and disappearing heat energy, heat energy does not obtain fine utilization, can't turn into the electric energy with the heat energy that scatters and disappears, causes the technical problem of the waste of resource.
In order to solve the technical problem, the utility model provides a technical scheme lies in:
the utility model provides a charging device, include: the device comprises a heat-insulation supporting component, a thermoelectric generation sheet, a reaction container, a heat conduction container, a liquid inlet device and a voltage output device;
the heat-insulation support assembly is internally provided with an accommodating cavity, the heat-conducting container is arranged in the accommodating cavity, the reaction container is arranged in the heat-conducting container, the liquid inlet device is arranged at the top of the reaction container and is connected with the reaction container, reactants are arranged in the reaction container, and the liquid inlet device is used for conveying reaction liquid into the reaction container so as to enable the reaction liquid to be in contact reaction with the reactants to generate heat;
the thermoelectric generation piece sets up on heat conduction container's surface, and voltage output device sets up on heat preservation supporting component's surface, and voltage output device is connected with the thermoelectric generation piece electricity, and the holding intracavity is provided with the cold source to make the thermoelectric generation piece produce voltage, and carry voltage to voltage output device in, voltage output device is connected with outside consumer electricity, in order to charge to outside consumer.
Further, the heat-preservation supporting component comprises a heat-preservation container and a supporting frame;
be provided with the holding chamber in the heat preservation container, the support frame sets up in the holding intracavity, and the both ends of support frame are connected with the inner wall and the thermoelectric generation piece of heat preservation container respectively to support thermoelectric generation piece, reaction vessel and heat conduction container in the holding intracavity.
Further, the liquid inlet device comprises a cover plate and a liquid inlet assembly;
the apron sets up in heat preservation container's top, and the feed liquor subassembly sets up in the apron one side of keeping away from heat preservation container, is provided with the inlet on the apron, and the feed liquor subassembly passes in the inlet stretches into reaction vessel, has held reaction liquid in the feed liquor subassembly, and the feed liquor subassembly is used for carrying the reaction liquid to reaction vessel in with reactant contact reaction.
Further, the liquid inlet assembly comprises a liquid storage tank and a liquid inlet pipeline;
the liquid reserve tank sets up in the one side that the insulated container was kept away from to the apron, and liquid reserve tank and cover connection, and inlet liquid pipeline's one end and liquid reserve tank are close to the inlet be connected with one side, and in inlet liquid pipeline's the other end passed the inlet and stretched into reaction vessel, the reaction liquid has been held in the liquid reserve tank, and the reaction liquid enters into reaction vessel through inlet liquid pipeline.
Furthermore, a control valve for controlling the liquid flow is arranged on the liquid inlet pipeline.
Furthermore, the voltage output device is provided with a USB interface used for being electrically connected with external electric equipment.
Furthermore, one side of the thermoelectric generation piece, which is far away from the heat conduction container, is provided with a waterproof film.
Furthermore, the thermoelectric generation piece is connected with the heat conduction container through silicone grease.
Further, a liquid outlet is arranged at the bottom of the heat-insulating container.
Further, the material of the heat conducting container is ceramic material.
Technical scheme more than combining, the utility model discloses the beneficial effect who reaches lies in:
the utility model provides a charging device, include: the device comprises a heat-insulation supporting component, a thermoelectric generation sheet, a reaction container, a heat conduction container, a liquid inlet device and a voltage output device;
the heat-insulation support assembly is internally provided with an accommodating cavity, the heat-conducting container is arranged in the accommodating cavity, the reaction container is arranged in the heat-conducting container, the liquid inlet device is arranged at the top of the reaction container and is connected with the reaction container, reactants are arranged in the reaction container, and the liquid inlet device is used for conveying reaction liquid into the reaction container so as to enable the reaction liquid to be in contact reaction with the reactants to generate heat;
the thermoelectric generation piece sets up on heat conduction container's surface, and voltage output device sets up on heat preservation supporting component's surface, and voltage output device is connected with the thermoelectric generation piece electricity, and the holding intracavity is provided with the cold source to make the thermoelectric generation piece produce voltage, and carry voltage to voltage output device in, voltage output device is connected with outside consumer electricity, in order to charge to outside consumer.
One side through the thermoelectric generation piece is laminated with heat conduction container, the reaction vessel in the heat conduction container takes place chemical reaction, the heat passes through heat conduction container and transmits to one side of thermoelectric generation piece, the opposite side of thermoelectric generation piece and the cold source contact in the heat preservation supporting component, because there is the difference in temperature in thermoelectric generation piece both sides, form the thermoelectric force, directly turn into the electric energy with heat energy, carry the electric energy to the outside consumer that needs to charge in through voltage output device, the heat release that the chemical reaction that has alleviated exists among the prior art produced in the air, in order to scatter and disappear heat energy, heat energy does not obtain fine utilization, can't turn into the electric energy with scattered heat energy, cause the technical problem of the waste of resource, realized turning into the electric energy with the heat energy that chemical reaction produced and supply the technical effect that the mobile device charges.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a charging device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a thermoelectric generation piece, a reaction vessel and a heat conduction vessel in a charging device provided by an embodiment of the present invention.
Icon: 100-a heat-insulating support component; 110-a heat preservation container; 111-a liquid outlet; 120-a support frame; 200-thermoelectric power generation pieces; 210-a water-resistant membrane; 300-a reaction vessel; 400-a thermally conductive container; 500-liquid inlet device; 510-a cover plate; 520-a liquid storage tank; 530-liquid inlet pipeline; 540-control valve; 600-voltage output means; 610-USB interface; 700-reaction liquid; 800-reactants; 900-cold source.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic view of an overall structure of a charging device provided in this embodiment; fig. 2 is a schematic structural view of the thermoelectric generation chip, the reaction vessel, and the heat conducting vessel in the charging device provided in this embodiment.
As shown in fig. 1-2, the charging device provided in this embodiment includes: the thermoelectric power generation device comprises a heat preservation supporting component 100, a thermoelectric power generation sheet 200, a reaction container 300, a heat conduction container 400, a liquid inlet device 500 and a voltage output device 600; a containing cavity is arranged in the heat-preservation supporting assembly 100, the heat-conducting container 400 is arranged in the containing cavity, the reaction container 300 is arranged in the heat-conducting container 400, the liquid inlet device 500 is arranged at the top of the reaction container 300, the liquid inlet device 500 is connected with the reaction container 300, a reactant 800 is arranged in the reaction container 300, and the liquid inlet device 500 is used for conveying a reaction liquid 700 into the reaction container 300 so that the reaction liquid 700 and the reactant 800 are in contact reaction to generate heat; the thermoelectric generation piece 200 is disposed on the outer surface of the heat conduction container 400, the voltage output device 600 is disposed on the outer surface of the heat insulation support assembly 100, the voltage output device 600 is electrically connected to the thermoelectric generation piece 200, the cold source 900 is disposed in the accommodating cavity, so that the thermoelectric generation piece 200 generates voltage and transmits the voltage to the voltage output device 600, and the voltage output device 600 is electrically connected to the external electric equipment, so as to charge the external electric equipment.
Further, the thermoelectric generation element 200 is connected to the heat conductive container 400 through silicone grease.
Specifically, place reactant 800 in reaction vessel 300, inlet means 500 carries reaction liquid 700 in to reaction vessel 300, reaction liquid 700 and the contact of reaction vessel 300 take place to react, produce a large amount of heat energy, heat energy transmits to one side of thermoelectric generation piece 200 through heat conduction container 400 on, place cold source 900 in the supporting component 100 that keeps warm, the temperature that makes thermoelectric generation piece 200 keep away from one side of heat conduction container 400 is lower, make the both sides of thermoelectric generation piece 200 form the temperature difference, form electric energy transmission to in the voltage output device 600, outside consumer charges through voltage output device 600.
The chemical reaction in the reaction container 300 should be an exothermic reaction, for example, quicklime is put into the reaction container 300, water is put into the liquid inlet device 500, the water enters the reaction container 300 and contacts with the quicklime to react, a large amount of heat is released, and the temperature of one side of the thermoelectric generation piece 200 is increased, so that a temperature difference is generated.
The charging device provided by the embodiment comprises: the thermoelectric power generation device comprises a heat preservation supporting component 100, a thermoelectric power generation sheet 200, a reaction container 300, a heat conduction container 400, a liquid inlet device 500 and a voltage output device 600; a containing cavity is arranged in the heat-preservation supporting assembly 100, the heat-conducting container 400 is arranged in the containing cavity, the reaction container 300 is arranged in the heat-conducting container 400, the liquid inlet device 500 is arranged at the top of the reaction container 300, the liquid inlet device 500 is connected with the reaction container 300, a reactant 800 is arranged in the reaction container 300, and the liquid inlet device 500 is used for conveying a reaction liquid 700 into the reaction container 300 so that the reaction liquid 700 and the reactant 800 are in contact reaction to generate heat; the thermoelectric generation piece 200 is disposed on the outer surface of the heat conduction container 400, the voltage output device 600 is disposed on the outer surface of the heat insulation support assembly 100, the voltage output device 600 is electrically connected to the thermoelectric generation piece 200, the cold source 900 is disposed in the accommodating cavity, so that the thermoelectric generation piece 200 generates voltage and transmits the voltage to the voltage output device 600, and the voltage output device 600 is electrically connected to the external electric equipment, so as to charge the external electric equipment. One side through thermoelectric generation piece 200 is laminated with heat conduction container 400, the chemical reaction takes place for reaction vessel 300 in the heat conduction container 400, the heat passes through heat conduction container 400 and transmits to one side of thermoelectric generation piece 200, the opposite side of thermoelectric generation piece 200 contacts with cold source 900 in the heat preservation supporting component 100, because there is the temperature difference in thermoelectric generation piece 200 both sides, form the thermoelectric force, directly turn into the electric energy with heat energy, carry the electric energy to the outside consumer that needs to charge in through voltage output device 600, the heat release that the chemical reaction that has alleviated among the prior art produced is in the air, in order to scatter and disappear heat energy, heat energy does not obtain very good utilization, can't turn into the electric energy with scattered heat energy, cause the extravagant technical problem of resource, realized the technical effect that the heat energy that produces with chemical reaction turns into the electric energy and supplies the mobile device to charge.
On the basis of the above embodiment, further, the thermal insulation support assembly 100 in the charging device provided in this embodiment includes a thermal insulation container 110 and a support frame 120; an accommodating cavity is formed in the heat-insulating container 110, the support frame 120 is arranged in the accommodating cavity, and two ends of the support frame 120 are respectively connected with the inner wall of the heat-insulating container 110 and the thermoelectric generation piece 200 so as to support the thermoelectric generation piece 200, the reaction container 300 and the heat-conducting container 400 in the accommodating cavity.
Further, a liquid outlet 111 is arranged at the bottom of the heat-insulating container 110.
Specifically, an accommodating cavity is arranged in the heat preservation container 110, a cold source 900 is arranged in the accommodating cavity, the cold source 900 can be set as an ice block, the cold source 900 enables the temperature of one side of the thermoelectric generation piece 200 far away from the heat conduction container 400 to be lower, and the temperature difference is formed between the two sides of the thermoelectric generation piece 200 to form electric energy; the support frame 120 is arranged in the heat preservation container 110, the thermoelectric generation piece 200, the reaction container 300 and the heat conduction container 400 are supported in the accommodating cavity by the support frame 120, the support frame is arranged at the bottom of the heat preservation container 110 and is arranged at the liquid outlet 111, and ice blocks are discharged through the liquid outlet 111 after being melted.
Further, the liquid inlet device 500 comprises a cover plate 510 and a liquid inlet assembly; the apron 510 sets up in the top of insulated container 110, and the feed liquor subassembly sets up in the apron 510 one side of keeping away from insulated container 110, is provided with the inlet on the apron 510, and the feed liquor subassembly passes in the inlet stretches into reaction vessel 300, has held reaction liquid 700 in the feed liquor subassembly, and the feed liquor subassembly is used for carrying reaction liquid 700 to reaction vessel 300 in with reactant 800 contact reaction.
Further, the liquid inlet assembly comprises a liquid storage tank 520 and a liquid inlet pipeline 530; liquid reserve tank 520 sets up in the one side of keeping away from insulated container 110 in apron 510, and liquid reserve tank 520 is connected with apron 510, and the one end and the liquid reserve tank 520 of inlet pipe 530 are close to the inlet and are connected with one side, and in inlet pipe 530's the other end passed the inlet and stretched into reaction vessel 300, held reaction liquid 700 in the liquid reserve tank 520, reaction liquid 700 enters into reaction vessel 300 through inlet pipe 530.
Further, a control valve 540 for controlling the flow of the liquid is disposed on the liquid inlet pipe 530.
Specifically, the apron 510 sets up at the top of heat preservation container 110, liquid reserve tank 520 is fixed in the one side of keeping away from heat preservation container 110 at apron 510, place reaction liquid 700 in the liquid reserve tank 520, reaction liquid 700 in the liquid reserve tank 520 enters into reaction vessel 300 through inlet channel 530 in, make reaction liquid 700 and reactant 800 take place chemical reaction and produce a large amount of heat energy, liquid reserve tank 520 top sets up the inlet, outside reaction liquid 700 enters into liquid reserve tank 520 through the inlet, set up control flap 540 on the inlet channel 530, the control enters into reaction vessel 300 in the flow of reaction liquid 700.
The charging device provided by the embodiment, through set up the liquid reserve tank 520 on the apron 510, reaction liquid 700 in the liquid reserve tank 520 enters into the reaction vessel 300 through the inlet channel 530, takes place chemical reaction with reactant 800, and the last control flap 540 that sets up of inlet channel 530 effectively controls chemical reaction's reaction rate.
In addition to the above embodiments, the voltage output device 600 in the charging device provided in this embodiment is further provided with a USB interface 610 for electrically connecting with an external electric device.
Specifically, the voltage output device 600 is provided with a USB interface 610, the external mobile device is electrically connected to the voltage output device 600 through the USB interface 610, so that the external mobile device is charged, and the voltage output device 600 is provided with a DC voltage regulator.
Further, a waterproof film 210 is disposed on a side of the thermoelectric generation element 200 away from the heat conductive container 400.
Specifically, one side at thermoelectric generation piece 200 sets up water proof membrane 210, effectively avoids cold source 900 and thermoelectric generation piece 200 direct contact in the holding intracavity, causes thermoelectric generation piece 200 unable normal work.
Further, the material of the heat conductive container 400 is a ceramic material.
Specifically, the material of the heat conductive container 400 is a ceramic material, which has better heat conductivity.
According to the charging device provided by the embodiment, the waterproof film 210 is arranged, so that the cold source 900 is prevented from being directly contacted with the thermoelectric generation sheet 200; by providing the USB interface 610 on the voltage output device 600, the external mobile device is charged.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A charging device, comprising: the device comprises a heat-insulation supporting component, a thermoelectric generation sheet, a reaction container, a heat conduction container, a liquid inlet device and a voltage output device;
the heat-insulation support assembly is internally provided with an accommodating cavity, the heat-conducting container is arranged in the accommodating cavity, the reaction container is arranged in the heat-conducting container, the liquid inlet device is arranged at the top of the reaction container and connected with the reaction container, reactants are arranged in the reaction container, and the liquid inlet device is used for conveying reaction liquid into the reaction container so as to enable the reaction liquid to be in contact reaction with the reactants to generate heat;
the thermoelectric generation piece set up in on heat conduction container's the surface, voltage output device set up in on heat preservation supporting component's the surface, just voltage output device with thermoelectric generation piece electricity is connected, the holding intracavity is provided with the cold source, so that thermoelectric generation piece produces voltage, and with voltage transport extremely among the voltage output device, voltage output device is connected with outside consumer electricity to external consumer charges.
2. The charging device of claim 1, wherein the thermal support assembly comprises a thermal container and a support frame;
the heat insulation container is internally provided with the holding cavity, the support frame is arranged in the holding cavity, and two ends of the support frame are respectively connected with the inner wall of the heat insulation container and the thermoelectric generation piece so as to support the thermoelectric generation piece, the reaction container and the heat conduction container in the holding cavity.
3. The charging device of claim 2, wherein the inlet device comprises a cover plate and an inlet assembly;
the apron set up in heat preservation container's top, the feed liquor subassembly set up in the apron is kept away from one side of heat preservation container, be provided with the inlet on the apron, the feed liquor subassembly passes the inlet stretches into in the reaction vessel, it has to hold in the feed liquor subassembly the reaction liquid, the feed liquor subassembly be used for with the reaction liquid carry extremely in the reaction vessel with reactant contact reaction.
4. A charging arrangement as claimed in claim 3, in which the inlet assembly comprises a tank and an inlet conduit;
the liquid reserve tank set up in the apron is kept away from one side of heat preservation container, just the liquid reserve tank with the cover connection, inlet liquid pipeline's one end with the liquid reserve tank is close to be connected with one side of inlet, inlet liquid pipeline's the other end passes the inlet stretches into in the reaction vessel, hold in the liquid reserve tank the reaction liquid, the reaction liquid passes through inlet liquid pipeline enters into in the reaction vessel.
5. A charging arrangement as claimed in claim 4, in which the inlet duct is provided with a control valve for controlling the flow of liquid.
6. The charging device according to claim 1, wherein the voltage output device is provided with a USB interface for electrically connecting with an external electric device.
7. The charging device according to claim 1, wherein a side of the thermoelectric generation element remote from the heat conductive container is provided with a waterproof film.
8. The charging device according to claim 1, wherein the thermoelectric generation element is connected to the heat conductive container through silicone grease.
9. The charging device according to claim 2, wherein a liquid outlet is provided at the bottom of the thermal container.
10. A charging arrangement as claimed in claim 1, in which the material of the thermally conductive container is a ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920185063.7U CN210985675U (en) | 2019-02-01 | 2019-02-01 | Charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920185063.7U CN210985675U (en) | 2019-02-01 | 2019-02-01 | Charging device |
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| Publication Number | Publication Date |
|---|---|
| CN210985675U true CN210985675U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920185063.7U Expired - Fee Related CN210985675U (en) | 2019-02-01 | 2019-02-01 | Charging device |
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| CN (1) | CN210985675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696894A (en) * | 2020-12-24 | 2021-04-23 | 李家春 | Raspberry drying device capable of automatically turning based on water vapor change |
-
2019
- 2019-02-01 CN CN201920185063.7U patent/CN210985675U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696894A (en) * | 2020-12-24 | 2021-04-23 | 李家春 | Raspberry drying device capable of automatically turning based on water vapor change |
| CN112696894B (en) * | 2020-12-24 | 2023-01-06 | 林敏� | Raspberry drying device capable of automatically turning based on water vapor change |
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Granted publication date: 20200710 Termination date: 20210201 |