CN209782743U - Pot rack assembly of electromagnetic heating device - Google Patents
Pot rack assembly of electromagnetic heating device Download PDFInfo
- Publication number
- CN209782743U CN209782743U CN201821742283.7U CN201821742283U CN209782743U CN 209782743 U CN209782743 U CN 209782743U CN 201821742283 U CN201821742283 U CN 201821742283U CN 209782743 U CN209782743 U CN 209782743U
- Authority
- CN
- China
- Prior art keywords
- support
- heating device
- electromagnetic heating
- frame
- magnetic conduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/102—Tops, e.g. hot plates; Rings electrically heated
- F24C15/103—Tops, e.g. hot plates; Rings electrically heated being movable or rotatable
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
- H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/365—Coil arrangements using supplementary conductive or ferromagnetic pieces
Abstract
The utility model discloses an electromagnetic heating device's pot frame subassembly, including the magnetic conduction frame that is used for conducting the magnetic line of force and the support frame that is used for supporting the pan, the support frame sets up at the top or the side of magnetic conduction frame. The utility model discloses a pot frame subassembly of electromagnetic heating device, magnetic line of force to pan through magnetic conduction frame conduction induction coil production reduces the magnetic resistance, improves heating efficiency, reduces the electric quantity loss.
Description
Technical Field
The utility model relates to an electrical apparatus subassembly especially relates to a pot frame subassembly that is used for electromagnetic heating device of electrical apparatus such as electromagnetism stove, electromagnetism machine of cooking, electromagnetism electricity rice cooker, electromagnetism thermos, electromagnetism water heater.
Background
The electromagnetic heating device utilizes the alternating magnetic field of the induction coil to generate eddy current on the cooker, and the joule heat of the eddy current heats the cooker to realize heating. The electromagnetic heating device has become a cooking utensil with high use frequency in life due to the advantages of convenient and quick heating, no open fire and the like.
The electromagnetic heating device is invented by western people, and only a flat-bottom pot can be used for decades, but a pot with a spherical bottom structure cannot be used. Also there is a pot frame for electromagnetic heating device in the existing market, makes electromagnetic heating device can use the pan of sphere bottom structure through increasing pot frame. However, the heating efficiency of the electromagnetic heating device is lowered by the existing pot frame, and improvement is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem mentioned above and provides a pot rack assembly of an electromagnetic heating device, which can improve the heating efficiency.
The utility model discloses a realize through following technical scheme:
A pot rack assembly of an electromagnetic heating device comprises a magnetic conduction rack used for conducting magnetic lines and a supporting frame used for supporting a pot, wherein the supporting frame is arranged on the top or the side face of the magnetic conduction rack.
Further, the flux guide frame includes a body and a blocking portion for preventing generation of an eddy current.
Further, the loop resistance value of the magnetic conduction frame is larger than 10 ohms.
Further, still include the shirt rim that is used for absorbing the magnetic leakage, the shirt rim is made by electrically conductive or magnetic material, and the shirt rim setting is in the outside of magnetic conduction frame and support frame.
Furthermore, the support frame and/or the magnetic conduction frame can be adjusted in a lifting way.
Further, the magnetic conduction frame comprises a first support and a second support, the first support is arranged on the second support in a liftable mode, and the first support and the second support are locked and fixed through a locking device.
As a modification, the first bracket includes a first cylindrical portion, and the second bracket includes a second cylindrical portion, and the first cylindrical portion is fitted over the second cylindrical portion and is movable in the vertical direction.
As another improvement, the first support is provided with a first guide groove or a second sliding block, and the second support is correspondingly provided with a first sliding block or a second guide groove.
As another improvement, the first bracket includes a first inclined plane portion, the second bracket includes a second inclined plane portion matched with the first inclined plane portion, and the first bracket is lifted up or lowered down by mutual displacement of the first inclined plane portion and the second inclined plane portion.
The beneficial effects are that: compared with the prior art, the pot rack assembly of the electromagnetic heating device has the advantages that the magnetic force lines generated by the induction coil are conducted to the pot through the magnetic conduction rack, so that the magnetic resistance is reduced, the heating efficiency is improved, and the electric quantity loss is reduced.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
Fig. 1 is a schematic structural view of a first embodiment of a pot holder assembly of the electromagnetic heating device of the present invention;
fig. 2 is a schematic structural view of a second embodiment of the pot holder assembly of the electromagnetic heating device of the present invention;
Fig. 3 is a schematic structural view of a third embodiment of the pot holder assembly of the electromagnetic heating device of the present invention;
Fig. 4 is a schematic structural view of a first embodiment of the magnetic conduction frame of the present invention;
Fig. 5 is a schematic structural view of a second embodiment of the magnetic conduction frame of the present invention;
Fig. 6 is a schematic structural view of a third embodiment of the magnetic conduction frame of the present invention.
Detailed Description
The utility model provides an electromagnetic heating device's pot frame subassembly, is including the support frame 100 that is used for supporting the pan and be used for conducting magnetic line of force magnetic conduction frame 200, and magnetic line of force to pan that produce through magnetic conduction frame 200 conduction induction coil reduces the magnetic resistance, improves magnetic conduction efficiency and then improves heating efficiency, reduces the electric quantity loss. When the cooker is used, the cooker frame component can be placed on an electromagnetic heating device such as an induction cooker with a panel, and a cooker with a spherical bottom structure is placed on the cooker frame component. The pot rack assembly can also be used on an electromagnetic heating device without a panel, specifically, the magnetic conduction rack 200 is connected with an induction coil of the electromagnetic heating device, magnetic lines of force generated by the induction coil are conducted to a pot, and the pot is supported by the support frame 100.
The magnetic lines of force generated around the induction coil of the prior electromagnetic heating device are not effectively conducted, thus easily causing electromagnetic leakage. After the pot rack assembly is used, magnetic lines of force generated at the periphery of the induction coil are conducted to a pot through the magnetic conduction rack 200, so that the efficiency is improved, and the electromagnetic leakage is reduced.
Further, the flux guide 200 includes a body and a blocking portion for preventing generation of an eddy current. The blocking part can be a fracture on the body, and can also be a non-magnetic conductive material filled on the body. Through setting up separation portion for magnetic conduction frame 200 does not constitute closed circuit on the circuit, prevents that magnetic conduction frame 200 from producing the eddy current and reducing the energy efficiency.
Further, the loop resistance value of the magnetic conduction frame 200 is greater than 10 ohms. By selecting the material which is magnetic conductive and has higher resistivity, the loop resistance value of the magnetic conductive frame 200 is greater than 10 ohms, namely the resistance value of the body measured in the annular direction is greater than 10 ohms, and therefore the eddy current generated by the magnetic conductive frame 200 is reduced or even eliminated, and the energy efficiency is reduced.
Further, the magnetic conduction frame 200 is made of a high magnetic conduction material, so as to be convenient for conducting the magnetic force lines generated by the induction coil to the pot.
The support 100 may be disposed on the top or the side of the magnetic conduction frame 200, as follows:
Embodiment one of the pot rack component
As shown in fig. 1, the support frame 100 may be disposed on top of the magnetic conduction frame 200.
second embodiment of the wok stand assembly
as shown in fig. 2, the supporting frame 100 may be disposed outside the magnetic conduction frame 200.
Third embodiment of the pan rack assembly
As shown in fig. 3, the support frame 100 may be disposed inside the magnetic conduction frame 200.
Further, the magnetic flux leakage absorption device further comprises a skirt edge used for absorbing magnetic flux leakage, the skirt edge is made of conductive materials or magnetic materials, and the skirt edge is arranged outside the magnetic conduction frame 200 and the support frame 100. The magnetic leakage can be absorbed by arranging the skirt edge, and the radiation is reduced.
Further, the supporting frame 100 and/or the magnetic conduction frame 200 can be adjusted in a lifting manner. In the existing electromagnetic heating device, the distance between the cookware and the magnetic conduction frame 200 is far, so that the air gap magnetic resistance formed between the cookware and the magnetic conduction frame 200 is very large, and the heating efficiency is low. This scheme is through setting up support frame 100 and/or magnetic conduction frame 200 liftable regulation to can adjust according to the in-service use demand, with the adaptation different pans, make magnetic conduction frame 200 more be close the pan, reduce the air gap between pan and magnetic conduction frame 200, raise the efficiency. If the magnetic conduction frame 200 is used for directly supporting the cookware, the magnetic conduction frame 200 can be overheated for a long time, the heating effect is affected, and the cookware is best supported by the support frame 100, so that a certain gap is kept between the magnetic conduction frame 200 and the cookware, the heat dissipation is facilitated, and the magnetic resistance can be reduced.
For convenience of understanding, the support frame 100 and the magnetic conduction frame 200 are illustrated as being adjustable in height.
Magnetic conduction frame 200 includes first support 1 and second support 2, and first support 1 sets up on second support 2 liftable ground, and first support 1 and second support 2 are fixed through locking device 3 locking. The first bracket 1 moves up and down relative to the second bracket 2, and is locked and fixed by the locking device 3 after being adjusted to a proper position. The locking device 3 is preferably a fastening screw, a threaded hole 4 matched with the fastening screw is arranged on the first support 1 or the second support 2, and a waist-shaped hole 5 or a notch for accommodating the relative movement of the fastening screw relative to the first support 1 or the second support 2 is arranged. The locking device 3 can also be wedge-shaped blocks, pin shafts and other components capable of realizing the fastening function. The support frame 100 includes a first core and a second core, the first core is liftably disposed on the second core, and the first core and the second core are locked and fixed by the locking device 3.
The support frame 100 and the magnetic conduction frame 200 may be one of adjustable structures, and the other one of non-adjustable fixed structures. The adjustable structure of the rack 100 and the magnetic conduction frame 200 can refer to the following embodiments, and the various embodiments of the rack 100 and the magnetic conduction frame 200 can be combined with each other.
Embodiment one of the magnetically conductive frame 200
Preferably, as shown in fig. 4, the first bracket 1 includes a first cylindrical portion, and the second bracket 2 includes a second cylindrical portion, and the first cylindrical portion is fitted over the second cylindrical portion and is movable in the vertical direction. The second cylindrical portion is provided with a threaded hole 4 for engaging with a fastening screw, and the first cylindrical portion is provided with a kidney-shaped hole 5 for accommodating the fastening screw to move relatively to the first bracket 1. Of course, the second cylindrical portion may be provided so as to fit over the first cylindrical portion.
Preferably, the first bracket 1 and the second bracket 2 are respectively provided with an air inlet hole and an air outlet hole. So, the circulation of air of being convenient for to take away the heat, improve the radiating effect.
or the first support 1 is provided with an air inlet or an air outlet, and the second support 2 is correspondingly provided with an air outlet or an air inlet.
preferably, a fan is arranged on the first bracket 1 and/or the second bracket 2. Through setting up the fan, on the one hand can directly dispel the heat, on the other hand cooperates with inlet port and exhaust hole for the inside air flow of pot frame subassembly further improves the radiating effect.
Magnetic conduction frame 200 embodiment two
As shown in fig. 5, the first bracket 1 includes a first guide groove, and the second bracket 2 includes a first slider engaged with the first guide groove. The first bracket 1 is provided with a first connecting block 6 connected with the locking device 3.
The second bracket 2 comprises a second guide groove, and the first bracket 1 comprises a second sliding block matched with the second guide groove. The height is adjusted by means of the matching of the guide groove and the sliding block. In the embodiments, reference is made to the first embodiment where nothing is described.
Magnetic conduction frame 200 embodiment III
As shown in fig. 6, the first bracket 1 includes a first inclined plane portion, the second bracket 2 includes a second inclined plane portion cooperating with the first inclined plane portion, and the first bracket 1 is lifted up or lowered down by mutual displacement of the first inclined plane portion and the second inclined plane portion. And a second connecting block 7 connected with the locking device 3 is arranged on the first bracket 1. The first inclined plane portion comprises a first inclined plane section, a second inclined plane section and a first non-return section, correspondingly, the second inclined plane portion comprises a third inclined plane section, a fourth inclined plane section and a second non-return section, the first non-return section is connected with the first inclined plane section and the second inclined plane section, the second non-return section is connected with the third inclined plane section and the fourth inclined plane section, and the first non-return section and the second non-return section are used for preventing the first support 1 from loosening. Of course, the first inclined plane portion and the second inclined plane portion may be a pure inclined plane or a spiral. In the embodiments, reference is made to the first embodiment where nothing is described.
Embodiment one of the supporting frame 100
The first core part comprises a third cylinder part, and the second core part comprises a fourth cylinder part, wherein the third cylinder part is sleeved on the fourth cylinder part and can move along the vertical direction. The specific structure of the supporting frame 100 in this embodiment can be understood by referring to the drawings of the first embodiment of the magnetic conduction frame 200.
Embodiment two of the supporting frame 100
The first core part is provided with a third guide groove or a fourth slide block, and the second core part is correspondingly provided with a third slide block or a fourth guide groove. The specific structure of the supporting frame 100 in this embodiment can be understood by referring to the drawings of the second embodiment of the magnetic conduction frame 200.
embodiment three of the support stand 100
The first core part comprises a third inclined surface part, the second core part comprises a fourth inclined surface part matched with the third inclined surface part, and the first core part is ascended or descended through mutual displacement of the third inclined surface part and the fourth inclined surface part. The detailed structure of the supporting frame 100 in this embodiment can be understood by referring to the drawings of the third embodiment of the magnetic conduction frame 200.
The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (9)
1. The pot rack assembly of the electromagnetic heating device is characterized by comprising a magnetic conduction rack for conducting magnetic lines and a support frame for supporting a pot, wherein the support frame is arranged on the top or the side surface of the magnetic conduction rack.
2. The wok stand assembly of an electromagnetic heating device according to claim 1, wherein the magnetic conduction stand comprises a body and a blocking portion for preventing generation of eddy current.
3. The wok stand assembly of an electromagnetic heating device according to claim 1, wherein the magnetic conduction stand has a loop resistance value greater than 10 ohms.
4. The wok stand assembly of an electromagnetic heating device according to claim 1, further comprising a skirt for absorbing leakage flux, the skirt being made of an electrically or magnetically conductive material, the skirt being disposed outside the magnetically conductive stand and the support frame.
5. The wok stand assembly of an electromagnetic heating device according to claim 1, wherein the supporting frame and/or the magnetic conduction frame can be adjusted in a lifting manner.
6. The wok stand assembly of the electromagnetic heating device according to claim 1, wherein the magnetic conduction stand comprises a first support and a second support, the first support is arranged on the second support in a lifting manner, and the first support and the second support are locked and fixed through a locking device.
7. A wok stand assembly of an electromagnetic heating device according to claim 6, characterized in that the first support comprises a first cylindrical part and the second support comprises a second cylindrical part, the first cylindrical part is sleeved on the second cylindrical part and can move along the vertical direction.
8. the wok stand assembly of an electromagnetic heating device as claimed in claim 6, wherein the first support is provided with a first guide slot or a second slide block, and the second support is correspondingly provided with a first slide block or a second guide slot.
9. The pot holder assembly of the electromagnetic heating device according to claim 6, wherein the first holder comprises a first inclined surface portion, the second holder comprises a second inclined surface portion engaged with the first inclined surface portion, and the first holder is moved up or down by mutual displacement of the first inclined surface portion and the second inclined surface portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018104025788 | 2018-04-28 | ||
| CN201810402578.8A CN108401311A (en) | 2018-04-28 | 2018-04-28 | A kind of electromagnetic heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209782743U true CN209782743U (en) | 2019-12-13 |
Family
ID=63100808
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402578.8A Pending CN108401311A (en) | 2018-04-28 | 2018-04-28 | A kind of electromagnetic heater |
| CN201821742284.1U Active CN209806112U (en) | 2018-04-28 | 2018-10-25 | Electromagnetic heating device |
| CN201811248609.5A Pending CN109297057A (en) | 2018-04-28 | 2018-10-25 | A kind of cooker racks component of electromagnetic heater |
| CN201811248579.8A Pending CN109246877A (en) | 2018-04-28 | 2018-10-25 | A kind of household electrical appliances electromagnetic heater |
| CN201821742283.7U Active CN209782743U (en) | 2018-04-28 | 2018-10-25 | Pot rack assembly of electromagnetic heating device |
| CN201811251101.0A Pending CN109168208A (en) | 2018-04-28 | 2018-10-25 | A kind of electromagnetic heater |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402578.8A Pending CN108401311A (en) | 2018-04-28 | 2018-04-28 | A kind of electromagnetic heater |
| CN201821742284.1U Active CN209806112U (en) | 2018-04-28 | 2018-10-25 | Electromagnetic heating device |
| CN201811248609.5A Pending CN109297057A (en) | 2018-04-28 | 2018-10-25 | A kind of cooker racks component of electromagnetic heater |
| CN201811248579.8A Pending CN109246877A (en) | 2018-04-28 | 2018-10-25 | A kind of household electrical appliances electromagnetic heater |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811251101.0A Pending CN109168208A (en) | 2018-04-28 | 2018-10-25 | A kind of electromagnetic heater |
Country Status (2)
| Country | Link |
|---|---|
| CN (6) | CN108401311A (en) |
| WO (2) | WO2019205542A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297057A (en) * | 2018-04-28 | 2019-02-01 | 江门市新会区振翼科技有限公司 | A kind of cooker racks component of electromagnetic heater |
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| CN2435662Y (en) * | 2000-05-16 | 2001-06-20 | 赖惠雯 | Electromagnetic stove and range |
| CN201100698Y (en) * | 2007-08-12 | 2008-08-13 | 邓乃根 | A boiler rack special electromagnetic furnace |
| JP5142856B2 (en) * | 2008-07-02 | 2013-02-13 | 三菱電機株式会社 | Induction heating cooker |
| CN201698186U (en) * | 2010-06-12 | 2011-01-05 | 深圳市繁兴科技有限公司 | Induction cooker and heating area control circuit and lifting mechanism thereof |
| CN102404889A (en) * | 2010-09-08 | 2012-04-04 | 台达电子工业股份有限公司 | Heating module |
| CN201928464U (en) * | 2010-11-29 | 2011-08-10 | 九阳股份有限公司 | Electromagnetic heating device suitable for lateral heating of cookware and multi-functional induction cooker |
| CN202931590U (en) * | 2012-04-24 | 2013-05-08 | 美的集团股份有限公司 | Coil disc support and coil disc group with the coil disc support |
| KR101213434B1 (en) * | 2012-05-22 | 2012-12-18 | 문병태 | Heating apparatus for coating wafer |
| CN203181265U (en) * | 2013-02-07 | 2013-09-04 | 浙江乐太电器有限公司 | Dense winding type heating coil panel |
| CN103415099B (en) * | 2013-06-18 | 2015-12-23 | 余姚三倍厨电科技有限公司 | Electromagnetic induction heater |
| EP2838315B1 (en) * | 2013-07-12 | 2017-12-13 | BSH Hausgeräte GmbH | Induction heating unit |
| CN103517474A (en) * | 2013-09-18 | 2014-01-15 | 朱红勇 | Induction cooker coil panel capable of intensifying center magnetism |
| CN104791862A (en) * | 2013-11-29 | 2015-07-22 | 胡雁明 | Auxiliary stand for wok capable of being used on other electric furnaces such as induction cooker and electric ceramic cooker |
| CN203896528U (en) * | 2014-05-07 | 2014-10-22 | 九阳股份有限公司 | High energy efficiency electromagnetic wire coil and electromagnetic induction heating type cooking device |
| CN104266234A (en) * | 2014-10-03 | 2015-01-07 | 魏乐汉 | Induction cooker |
| CN105605634A (en) * | 2015-12-18 | 2016-05-25 | 中山市民众镇三民学校 | Anti-scalding protection device for hotpot stove |
| CN205546020U (en) * | 2016-04-19 | 2016-08-31 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel and cooking utensil |
| CN107550094A (en) * | 2017-08-29 | 2018-01-09 | 许昌市建安区第二高级中学 | A kind of Multifunctional stool of adjustable length |
| CN107763675A (en) * | 2017-11-20 | 2018-03-06 | 张小鹏 | A kind of electromagnetic oven cooker adjustable support |
| CN108401311A (en) * | 2018-04-28 | 2018-08-14 | 张小鹏 | A kind of electromagnetic heater |
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2018
- 2018-04-28 CN CN201810402578.8A patent/CN108401311A/en active Pending
- 2018-10-25 CN CN201821742284.1U patent/CN209806112U/en active Active
- 2018-10-25 CN CN201811248609.5A patent/CN109297057A/en active Pending
- 2018-10-25 CN CN201811248579.8A patent/CN109246877A/en active Pending
- 2018-10-25 CN CN201821742283.7U patent/CN209782743U/en active Active
- 2018-10-25 CN CN201811251101.0A patent/CN109168208A/en active Pending
- 2018-10-26 WO PCT/CN2018/112143 patent/WO2019205542A1/en active Application Filing
- 2018-10-26 WO PCT/CN2018/112145 patent/WO2019205543A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297057A (en) * | 2018-04-28 | 2019-02-01 | 江门市新会区振翼科技有限公司 | A kind of cooker racks component of electromagnetic heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109246877A (en) | 2019-01-18 |
| WO2019205542A1 (en) | 2019-10-31 |
| CN108401311A (en) | 2018-08-14 |
| CN209806112U (en) | 2019-12-17 |
| CN109168208A (en) | 2019-01-08 |
| CN109297057A (en) | 2019-02-01 |
| WO2019205543A1 (en) | 2019-10-31 |
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