CN115005686A - Heating control method of stove and stove - Google Patents
Heating control method of stove and stove Download PDFInfo
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- CN115005686A CN115005686A CN202110789691.8A CN202110789691A CN115005686A CN 115005686 A CN115005686 A CN 115005686A CN 202110789691 A CN202110789691 A CN 202110789691A CN 115005686 A CN115005686 A CN 115005686A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 184
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000006698 induction Effects 0.000 claims description 25
- 238000010411 cooking Methods 0.000 claims description 22
- 239000000919 ceramic Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 102100034033 Alpha-adducin Human genes 0.000 description 1
- 101000799076 Homo sapiens Alpha-adducin Proteins 0.000 description 1
- 101000629598 Rattus norvegicus Sterol regulatory element-binding protein 1 Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
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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
Abstract
The invention discloses a heating control method of a stove and the stove, wherein the stove comprises at least two heating coils, each heating coil is concentrically and annularly distributed, and the method comprises the following steps: when the cookware is placed on the stove, identifying the coverage area of the cookware on the stove; searching a target heating coil matched with the coverage area according to a preset corresponding relation table, wherein the corresponding relation table comprises the corresponding relation between the coverage area of the cookware on the cooker and the target heating coil; the control target heating coil heats the pan. According to the heating control method of the cooker and the cooker, the coverage area of a cooker on the cooker is detected through the identification module, and the heating coil matched with the coverage area is controlled to work according to the coverage area, so that the heating area is reasonably utilized, and the utilization rate of resources is improved.
Description
Technical Field
The invention relates to the technical field of cooking appliances, in particular to a heating control method of a cooker and the cooker.
Background
With the development of society and the improvement of living standard, the main contradiction of our society has been transformed into the contradiction between the increasing beautiful living needs of people and the unbalanced and insufficient development. Various types of pans with various colors are available on the market: the size of the small stewpot is not uniform, such as a Chinese style wok with the maximum diameter of 32cm, a small stewpot with the minimum diameter of only 16cm, a burning pot, a multifunctional steamer, a non-stick pot, a marmite, a frying wok and the like. In the case of pots of different sizes, the heating area of the commercially available heating products, such as gas stoves, induction cookers or electric ceramic cookers, is fixed. When a small pot is used, a large part of the heating area is not fully utilized, and the waste of resources is caused.
Disclosure of Invention
The technical problem of resource waste caused by the fact that the heating area of existing gas stoves, induction cookers, electric ceramic stoves and other stoves is fixed and the heating area is not fully utilized when a small pot is heated in the background art is solved. The invention provides a heating control method of a cooker and the cooker, which can control the heating area of the cooker according to the size of a cooker and improve the energy utilization rate.
In order to achieve the purpose, the heating control method of the stove and the specific technical scheme of the stove are as follows:
a heating control method of a cooker, the cooker comprises at least two heating coils, each heating coil is distributed in a concentric ring shape, and the method comprises the following steps:
when the cookware is placed on the stove, identifying the coverage area of the cookware on the stove;
searching a target heating coil matched with the coverage area according to a preset corresponding relation table, wherein the corresponding relation table comprises the corresponding relation between the coverage area of the cookware on the cooker and the target heating coil;
the control target heating coil heats the pan.
Further, discerning the coverage area of pan on the cooking utensils includes:
acquiring induction values of a plurality of infrared sensors which are placed in different heating areas of a cooker and used for detecting the cookware;
and judging the coverage area of the cookware on the cooker according to the induction values of the infrared sensors.
Furthermore, the infrared sensors are distributed in a concentric ring and are alternately distributed with the heating coils.
Further, judge the coverage area of pan on the cooking utensils according to a plurality of infrared sensor's inductive value, include:
if in two adjacent layers of infrared sensors, the induction value of the inner layer infrared sensor is received, and the induction value of the outer layer infrared sensor is not received, the circular area corresponding to the inner layer infrared sensor is determined as the coverage area of the cookware.
Further, the target heating coil includes all heating coils within the outer layer infrared sensor; alternatively, the target heating coil includes all heating coils within the inner layer infrared sensor.
Further, the method further comprises:
when all the infrared sensors do not sense the cookware, the target heating coil is the innermost heating coil;
when all infrared sensor all sensed the pan, the target heating coil was all heating coils.
A cooktop, comprising:
at least two heating coils, each heating coil is concentrically and annularly distributed;
the identification module is placed in different heating areas of the cooker and used for detecting the cooker placed on the cooker;
control module for when the pan was placed in cooking utensils, discernment pan coverage area on cooking utensils, according to predetermined corresponding relation table seek with the target heating coil that the coverage area matches, control target heating coil heats the pan, wherein, including the corresponding relation between the coverage area of pan on cooking utensils and the target heating coil in the corresponding relation table.
Furthermore, the identification module comprises a plurality of infrared sensors which are distributed in a concentric ring and are alternately distributed with the heating coils.
Furthermore, the identification module is arranged below the heating coils, and a gap for avoiding the infrared sensor is arranged between every two adjacent heating coils.
Furthermore, a temperature sensing module is arranged at the center of the concentric annular heating coil and connected with the control module, the temperature sensing module is used for detecting the real-time temperature of the stove, and when the real-time temperature detected by the temperature sensing part exceeds a set temperature threshold value, the control module closes the heating coil
The heating control method of the stove and the stove have the following advantages that:
according to the heating control method of the cooker, the coverage area of the cooker on the cooker is detected, and the heating coil matched with the coverage area is controlled to work according to the coverage area, so that the heating area is reasonably utilized, and the utilization rate of resources is improved.
Drawings
FIG. 1 is a flow chart of a heating control method of a cooking appliance of the present invention;
FIG. 2 is a schematic structural view of a cooking appliance of the present invention;
FIG. 3 is a schematic diagram of an identification module according to the present invention;
fig. 4 is a schematic structural view of a heating control device of a cooker of the invention.
The reference numbers in the figures illustrate: 1. a heating coil; 11. an inner layer heating coil; 12. a middle layer heating coil; 13. an outer layer heating coil; 2. an identification module; 21. an inner layer identification module; 22. a middle layer identification module; 23. an outer layer identification module; 24. an infrared receiving member; 25. an infrared emitting member; 3. a temperature sensing module; 4. a control module; 5. a display section; 6. and inputting the control module.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Fig. 1 schematically shows a flow chart of an embodiment of a heating control method of a hob. As shown in fig. 1, in the heating control method of the cooking stove provided in the embodiment of the present application, the cooking stove includes at least two heating coils 11, each heating coil 11 is concentrically and annularly distributed, and each heating coil 11 can independently work; the method comprises the following steps:
s10, when the pot is placed on the cooker, the coverage area of the pot on the cooker is identified.
In this embodiment, the coverage area of the pot on the cooker is the contact area between the bottom surface of the pot and the cooker, and usually, the bottom surface of the pot is circular.
S20, searching a target heating coil matched with the coverage area according to a preset corresponding relation table, wherein the corresponding relation table comprises the corresponding relation between the coverage area of the cookware on the cooker and the target heating coil.
The correspondence table of this embodiment is configured in the control module 4 after the control module 4 is shipped from the factory. And the corresponding relation table is used for calibrating and recording the corresponding relation between the induction values of the infrared sensors on each layer and the number of the heating coil opening layers corresponding to the induction values of the infrared sensors on each layer when the induction values of the infrared sensors on each layer are received.
S30, controlling the target heating coil to heat the pot.
According to the heating control method of the cooker, provided by the embodiment of the invention, the coverage area of the cooker is identified, the target heating coil matched with the coverage area is obtained through the corresponding relation table, and the heating surface of the cooker is properly adjusted along with the coverage area of the cooker, so that the energy utilization rate of the cooker is improved, and the energy is saved.
In an embodiment of the present invention, the identifying a coverage area of a pot on a cooker includes:
acquiring induction values of a plurality of infrared sensors which are placed in different heating areas of a cooker and used for monitoring the cooker;
and judging the coverage area of the cookware on the cooker according to the induction values of the infrared sensors.
Specifically, a plurality of infrared sensor are the concentric ring and distribute, and each layer of infrared sensor distributes with heating coil 1 in turn to according to infrared sensor's induction value discernment pan coverage area on the cooking utensils.
Further, the infrared sensor comprises an infrared emitting piece 25 and an infrared receiving piece 24, the infrared emitting piece 25 emits infrared light upwards, the infrared receiving piece 24 receives the infrared light reflected by the cookware, and if the control module 4 receives an electric signal converted by the infrared receiving piece 24, the cookware covers the recognition module 2; if the control module 4 does not receive the electric signal converted by the infrared receiver 24, the cookware does not cover the identification module 2. Infrared transmitter 25 upwards transmits infrared light through heating coil 1's gap, and infrared light receives the pan to block the back and takes place the reflection, and infrared receiver 24 receives the infrared light of pan reflection to convert infrared light into the signal of telecommunication, at this moment, control module 4 judges that infrared sensor top places the pan.
In this embodiment, the coverage area of pan on the cooking utensils is judged according to the inductive value of a plurality of infrared sensor, include:
if the induction value of the inner layer infrared sensor is received and the induction value of the outer layer infrared sensor is not received in the two adjacent layers of infrared sensors, the circular area corresponding to the inner layer infrared sensor is determined as the coverage area of the cookware.
The pan includes the multiple type, like steamer, frying pan etc. in the frying pan, the lateral wall of frying pan is the slope setting, and when the pan was the frying pan, infrared ray was upwards launched to infrared emission spare 25, and infrared receiving spare 24 receives the infrared ray after the pan reflection, when control module 4 received the signal of telecommunication more than or equal to the default that infrared receiving spare 24 conversions, then judges the pan covers infrared sensor.
In the present embodiment, the target heating coil includes all the heating coils 1 inside the outer layer infrared sensor; alternatively, the target heating coil includes all the heating coils 1 within the inner layer infrared sensor.
According to the heating control method of the cooker, the target heating coil matched with the coverage area is searched according to the preset corresponding relation table, the target heating coil comprises all heating coils 1 within the outer-layer infrared sensor, the heating area of the heating coils 1 is slightly larger than the coverage area of a cooker, the heating efficiency is improved, and the cooker is heated more uniformly by the cooker.
In this embodiment, the method further includes:
when all the infrared sensors do not sense the cookware, the target heating coil is the innermost heating coil 1;
when all infrared sensor all sensed the pan, the target heating coil was all heating coil 1.
Specifically, as shown in fig. 2, the cooking range is provided with four layers of heating coils 1, namely a first heating coil, a second heating coil, a third heating coil and a fourth heating coil from inside to outside, two first infrared sensors are arranged between the first heating coil and the second heating coil, two second infrared sensors are arranged between the second heating coil and the third heating coil, and two third infrared sensors are arranged between the third heating coil and the fourth heating coil. When the cookware is placed on the cooker, if the induction values of the two third infrared sensors are received, the outermost infrared sensor detects the cookware, and if the cookware is large, all the heating coils 1 are controlled to heat; if the induction values of the two second infrared sensors are received and the induction value of the third infrared sensor is not received, controlling the first heating coil, the second heating coil and the third heating coil to heat; if the induction values of the two first infrared sensors are received and the induction value of the second infrared sensor is not received, controlling the first heating coil and the second heating coil to heat; and if the induction values of all the infrared sensors are not received, only controlling the first heating coil to heat.
In conclusion, the heating control method provided by the invention can control the heating coil 1 matched with the coverage area of the pot to work according to the coverage area of the pot, so that the heating area is reasonably utilized, and the utilization rate of resources is improved; work through outside heating coil 1 that control pan coverage area within and pan coverage area is adjacent, make being heated of pan more even, heating efficiency is higher.
As shown in fig. 4, a cooking utensil provided by an embodiment of the present application includes:
at least two heating coils 1, each heating coil 1 is distributed in a concentric ring shape, and each heating coil 1 can work independently;
the identification module 2 is placed in different heating areas of the cooker and used for detecting a cooker placed in the cooker;
Specifically, the identification module 2 comprises a plurality of infrared sensors, the infrared sensors are distributed in concentric rings and are alternately distributed with the heating coils 1, and the number of the identification modules 2 on each layer is at least two. Each heating coil 1 is respectively an inner heating coil 111, a middle heating coil 121 and an outer heating coil 131 from inside to outside, an inner layer identification module 212 is arranged between the inner heating coil 111 and the middle heating coil 121, a middle layer identification module 222 is arranged between the middle heating coils 121, and an outer layer identification module 232 is arranged between the middle heating coil 121 and the outer heating coil 131. The number of the middle layer heating coils 121 is equal to or greater than 0, the number of the middle layer heating coils 121 is determined according to actual conditions, when the middle layer heating coils 121 are not arranged, the number of the identification modules 2 is one layer, and the one-layer identification modules 2 are arranged between the inner layer heating coils 111 and the outer layer heating coils 131.
In fig. 2, the heating coil 1 includes a layer of inner heating coils 111 and a layer of outer heating coils 131, and a two-layer and middle heating coil 121 is provided between the inner heating coils 111 and the outer heating coils 131. The identification modules 2 are not arranged on the inner side of the inner heating coil 111 and the outer side of the outer heating coil 131, so that the three-layer identification module 2 is arranged between the four layers of heating coils 1, and the three-layer identification module 2 is respectively an inner layer identification module 212, a middle layer identification module 222 and an outer layer identification module 232 from inside to outside. The number of the heating coils 1 and the number of the identification modules 2 may be determined according to actual conditions, and the present application is not particularly limited.
In order to realize the independent control of the heating coils 1, one end of each heating coil 1 is connected in common, the other end is connected with a control port of the control module 4, and optionally, the control module 4 is a single chip microcomputer. Specifically, one end of the heating coil 1 is connected with a control port of the control module 4, a common end of the heating coil 1 is connected to a zero line end of a 220V alternating current power supply, and an AC port in the control module 4 is connected with a live wire end of the 220V alternating current power supply.
In fig. 2, the number of the identification modules 2 in each layer is two, and the two identification modules 2 are symmetrically arranged around the center of the concentric ring. Besides, the number of the identification modules 2 can be multiple, the number of the outer layer identification modules 232 is larger than that of the middle layer identification modules 222, and the number of the middle layer identification modules 222 is larger than that of the inner layer identification modules 212, so that the identification accuracy of the pot covering area is improved.
In one embodiment, as shown in fig. 3, each infrared sensor includes an infrared emitting part 25 and an infrared receiving part 24, the infrared emitting part 25 emits infrared light, and the infrared receiving part 24 receives the infrared light reflected by the pot and converts the infrared light into an electric signal to transmit to the control module 4.
In order to avoid damage to the recognition module 2 caused by heat generated by the heating coils 1, the infrared sensors are arranged below the heating coils 1, and a gap for avoiding the infrared sensors is arranged between every two adjacent heating coils 1.
In other embodiments, the recognition module 2 may also be a weight sensor, a pressure sensor, or the like, when a pot is placed on the stove, the pot contacts the weight sensor or the pressure sensor, and the weight sensor or the pressure sensor outputs an electrical signal to the control module 4, so as to determine whether the recognition module 2 covers.
When actually selecting for use identification module 2, there are other sensors or other implementation ways that can determine whether identification module 2 top covers the pan, all are in the scope of protection of this application.
In the heating process, in order to realize the stability of heating temperature, the cooking utensils are still including the temperature sensing module 3 that is used for detecting the pan temperature, and temperature sensing module 3 sets up in concentric ring shape heating coil 1's center department, and temperature sensing module 3 is connected with control module 4, and when the real-time temperature that temperature sensing module 3 detected exceeded the temperature threshold value that sets for, control module 4 closed heating coil 1, and when the real-time temperature that temperature sensing module 3 detected was less than the temperature threshold value that sets for, control module 4 opened heating coil 1, in order to prevent that the pan from burning futilely.
Specifically, as shown in fig. 4, the temperature sensing module 3 is a thermistor, and changes with the ambient temperature, the resistance value of the thermistor changes, and within a certain temperature range, the ambient temperature and the resistance value of the thermistor are in a linear relationship, and the ambient temperature value is obtained by detecting an electrical signal of a circuit where the thermistor is located.
In other embodiments, as shown in fig. 4, the cooker further comprises a display part 5 and an input control module 6 for setting the heating temperature of the heating coil 1, and both the display part 5 and the input control module 6 are connected with the control module 4. The display part 5 can be a liquid crystal display or a nixie tube display, and the control module 4 can control display contents including displaying real-time temperature, setting temperature and the like through communicating with the display part 5 without any requirement.
The input control module 6 can be implemented in various manners, such as mechanical keys, touch keys, conductive films, etc., and here, the touch keys are taken as an example, and the control module 4 has a touch key processing function. Three keys are arranged: k _ POWER1, K _ ADD1 and K _ DECREASE1 correspond to switch, temperature plus and temperature minus respectively. The three series resistors R2, R3 and R4 are mainly matched with the touch key spring for use, are used for adjusting sensitivity and filtering partial interference, and are selected according to the requirements of the control module 4.
The cooker provided by the invention can be used for cookers such as electric ceramic cookers, induction cookers and the like, the coverage area of a cooker on the cooker is detected through the identification module 2, and the heating coil 1 matched with the coverage area is controlled to work according to the coverage area, so that the heating area is reasonably utilized, and the utilization rate of resources is improved.
Those skilled in the art will appreciate that although some embodiments herein include some features included in other embodiments, not others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A heating control method of a cooker is characterized in that the cooker comprises at least two heating coils which are concentrically and annularly distributed, and the method comprises the following steps:
when the pot is placed on the stove, identifying the coverage area of the pot on the stove;
searching a target heating coil matched with the coverage area according to a preset corresponding relation table, wherein the corresponding relation table comprises the corresponding relation between the coverage area of the cookware on the cooker and the target heating coil;
the control target heating coil heats the pan.
2. The method of claim 1, wherein identifying the coverage area of the cookware on the cooktop comprises:
acquiring induction values of a plurality of infrared sensors which are placed in different heating areas of a cooker and used for detecting the cookware;
and judging the coverage area of the cookware on the cooker according to the induction values of the infrared sensors.
3. The method of claim 2, wherein the plurality of infrared sensors are arranged in concentric rings alternating with each heating coil.
4. The method according to claim 3, wherein the determining the coverage area of the cookware on the cooker according to the sensing values of the plurality of infrared sensors comprises:
if in two adjacent layers of infrared sensors, the induction value of the inner layer infrared sensor is received, and the induction value of the outer layer infrared sensor is not received, the circular area corresponding to the inner layer infrared sensor is determined as the coverage area of the cookware.
5. The method of claim 4, wherein the target heating coil comprises all heating coils within the outer layer infrared sensor; alternatively, the target heating coil includes all heating coils within the inner layer infrared sensor.
6. The method of claim 4, further comprising:
when all the infrared sensors do not sense the cookware, the target heating coil is the innermost heating coil;
when all infrared sensor all sensed the pan, the target heating coil was all heating coils.
7. A cooking utensil, characterized in that includes:
at least two heating coils, each heating coil is concentrically and annularly distributed;
the identification module is placed in different heating areas of the cooker and used for detecting the cooker placed on the cooker;
the control module is used for identifying the coverage area of the cookware on the cooker when the cookware is placed on the cooker, searching the target heating coil matched with the coverage area according to a preset corresponding relation table, controlling the target heating coil to heat the cookware, wherein the corresponding relation table comprises the corresponding relation between the coverage area of the cookware on the cooker and the target heating coil.
8. Hob according to claim 7, characterized in that the identification module comprises a plurality of infrared sensors, which are distributed in concentric rings, alternating with the heating coils.
9. The cooking appliance of claim 8, wherein the identification module is arranged below the heating coils, and a gap avoiding the infrared sensor is arranged between two adjacent heating coils.
10. The cooking utensil of claim 7, wherein a temperature sensing module is arranged at the center of the concentric annular heating coil and connected with the control module, the temperature sensing module is used for detecting the real-time temperature of the cooking utensil, and when the real-time temperature detected by the temperature sensing component exceeds a set temperature threshold, the control module closes the heating coil.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110243191.4A CN112998532A (en) | 2021-03-05 | 2021-03-05 | Heating device of cooker and control method thereof |
| CN2021102431914 | 2021-03-05 |
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| Publication Number | Publication Date |
|---|---|
| CN115005686A true CN115005686A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110243191.4A Pending CN112998532A (en) | 2021-03-05 | 2021-03-05 | Heating device of cooker and control method thereof |
| CN202110789691.8A Pending CN115005686A (en) | 2021-03-05 | 2021-07-13 | Heating control method of stove and stove |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110243191.4A Pending CN112998532A (en) | 2021-03-05 | 2021-03-05 | Heating device of cooker and control method thereof |
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| CN (2) | CN112998532A (en) |
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2021
- 2021-03-05 CN CN202110243191.4A patent/CN112998532A/en active Pending
- 2021-07-13 CN CN202110789691.8A patent/CN115005686A/en active Pending
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| CN112998532A (en) | 2021-06-22 |
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