CN116669247A - Full-automatic microwave heating control system and method for SMC composite material - Google Patents
Full-automatic microwave heating control system and method for SMC composite material Download PDFInfo
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- CN116669247A CN116669247A CN202310945313.3A CN202310945313A CN116669247A CN 116669247 A CN116669247 A CN 116669247A CN 202310945313 A CN202310945313 A CN 202310945313A CN 116669247 A CN116669247 A CN 116669247A
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- composite material
- heating
- smc composite
- control system
- microwave
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 163
- 239000002131 composite material Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005303 weighing Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- 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
- H05B6/64—Heating using microwaves
-
- 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
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention relates to the technical field of microwave heating, in particular to a full-automatic microwave heating control system and method for an SMC composite material, wherein the full-automatic microwave heating control system comprises a signal acquisition system, a servo driving system, a microwave heating system and a complete machine operation system, and the signal acquisition system comprises a digital cloud and a network module; the servo driving system comprises a PLC control system; the microwave heating system comprises a microwave driver and a microwave generator, and the whole machine operation system comprises an SMC composite material inlet, an SMC composite material outlet, a human-computer interface HMI, a microwave heating bin, a conveying platform, a weighing module, an equipment support, a heating bin partition board and an observation window; the MC composite material is heated by driving the microwave heating system through the servo driving system, so that the SMC composite material is heated uniformly in the heating process, cracks are not easy to generate, the heating time is greatly shortened, and the heating efficiency and the heating yield of the SMC composite material are improved.
Description
Technical Field
The invention relates to the technical field of microwave heating, in particular to a full-automatic microwave heating control system and method for an SMC composite material.
Background
At present, the microwave heating has the characteristics of high heating speed, small heat loss, convenient operation and the like, the process time can be shortened, the productivity is improved, the cost is reduced, the product quality can be improved, the microwave heating is characterized in that microwaves are generated in a heated object, a heat source is from the inside of the heated object, the heating time is greatly shortened, the heating efficiency is high, the yield of the SMC composite material is favorably improved, the traditional SMC composite material heating solution is that the heating temperature of the SMC composite material is increased by an oil temperature machine in combination with a die, the heating time is slower, the surface heating is faster, the central heating is slower, the overall heating is uneven, the vulcanization is easy to be uneven during the die pressing of a large-scale product, and cracks are easy to generate.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a full-automatic microwave heating control system and method for an SMC composite material.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the system comprises a signal acquisition system, a servo driving system, a microwave heating system and a complete machine operation system, wherein the signal acquisition system comprises a digital cloud end and a network module; the servo driving system comprises a PLC control system; the microwave heating system comprises one or more microwave drivers and one or more microwave generators, and the whole machine operation system comprises an SMC composite material bin inlet, an SMC composite material bin outlet, a man-machine interface HMI, a microwave heating bin, a conveying platform, a weighing module, an equipment bracket, a heating bin partition board and an observation window; the system comprises a conveying platform, a microwave heating bin, a sheet metal baffle, a PLC control system, a whole machine operation system and a signal acquisition system, wherein the conveying platform is arranged at the bottom of the microwave heating bin;
the PLC control system comprises a servo driving motor; the human-machine interface HMI performs information interaction with the PLC control system, and the PLC control system receives instruction information transmitted by the human-machine interface HMI and then controls the microwave driver, the microwave generator, the weighing module and the digital cloud and network remote module in the signal acquisition system.
Further, a cover plate, a heating bin partition plate and a side plate are arranged on the microwave heating bin and are in airtight connection with the cover plate, a human-machine interface HMI and an observation window are arranged on the side plate, a touch sensing screen is arranged on the human-machine interface HMI, and a plurality of manual operation keys for adjusting heating parameter setting are also arranged for starting a servo driving motor and starting up or conventional parameter setting of a full-automatic microwave heating control system.
Further, the servo driving motor controls the touch control module on the touch sensing screen to send instruction information to the corresponding microwave heating system and the whole machine operation system.
Further, be provided with the conveyer belt on the conveying platform, the below of conveyer belt is provided with the support frame for support the conveyer belt of upper end, including weighing sensor in the weighing module, weighing sensor is located the bottom of conveyer belt.
Further, a conveyor belt is arranged on the conveyor platform, a double-shaft linkage system is arranged between the conveyor platform and the conveyor belt, the double-shaft linkage system is controlled by a servo driving motor, and the conveyor belt is connected with the conveyor platform in a double-shaft linkage mode.
Further, a die is arranged at the bottom of the rear end of the microwave heating bin for placing the heated SMC composite material.
Further, the microwave driver is located above the microwave generator and is used for driving the microwave generator to perform heating operation.
Further, after the digital cloud acquires data in the PLC control system through the network module, the operation state of the microwave heating control system can be checked on the remote monitoring equipment.
A full-automatic microwave heating control method for an SMC composite material comprises the following steps of:
s1: opening a manual control button on a human-machine interface HMI for controlling a servo driving motor in a PLC control system, starting the servo driving motor, and driving a conveying platform by the servo driving motor to feed the SMC composite material onto a conveying belt of the conveying platform;
s2: starting a PLC control system, and after the PLC control system controls a weighing sensor to calculate the weight of the SMC composite material on the conveyor belt, the weighing sensor calculates the time required by heating the SMC composite material or the temperature required by heating the SMC composite material;
s3: the servo driving motor drives a conveyor belt on the conveying platform, the conveyor belt conveys the SMC composite material to the microwave heating bin, and the servo driving motor drives the heating bin partition plate to execute a closing command;
s4: the PLC control system controls the microwave system to execute a heating command and detects the heating temperature of the SMC composite material in the heating process;
s5: after heating is finished, the servo driving motor drives the heating bin partition plate to execute an opening command, and the servo driving motor drives the conveying platform to convey the SMC composite material to a discharging position; the discharging position is positioned at one end of the SMC composite material bin outlet;
s6: when discharging, the servo driving motor drives the conveyor belt to independently advance to perform feeding and the conveying platform to perform retreating, and the conveyor belt is driven to flatten the heated SMC composite material into the die;
s7: after the conveyor belt spreads the heated SMC composite material to the inside of the die, the servo drive motor drives the conveying platform to retract to the original point, and after the feeding of the conveyor belt is completed, the command of retracting to the conveying platform is executed under the drive command of the servo drive motor, so that the heating process of the SMC composite material is completed once.
Further, the step S1 comprises the step of placing the SMC composite material on a conveyor belt of a conveying platform through an SMC composite material bin inlet;
in the step S2, when the time required for heating the SMC composite material on the conveyor belt or the temperature required for the SMC composite material is calculated, weighing the weight of the SMC composite material on the conveyor belt according to a weighing sensor at the bottom of the conveyor belt, and then calculating the time required for heating the SMC composite material or the temperature required for the SMC composite material according to the weight of the SMC composite material;
in the step S3, when the SMC composite material is conveyed to a heating bin, after relevant parameters in the heating process are set on a touch sensing screen of the heating bin, instruction information of the relevant parameters is sent to a PLC control system, and the PLC control system controls a microwave driver to drive a microwave generator to heat the SMC composite material;
in S4, when the detected heating temperature is implemented, the PLC control system controls the heating chamber to execute the stop heating command when heating to the temperature set in the system.
Compared with the prior art, the invention has the advantages that:
the MC composite material is heated by driving the microwave heating system through the servo driving system, so that the microwave is generated in the heated object in the heating process of the SMC composite material, the heat source is uniformly heated in the object, cracks are not easy to generate, the heating time is greatly shortened, and the heating efficiency and the heating yield of the SMC composite material are improved.
Drawings
FIG. 1 is a flow chart of the system and method for controlling the full-automatic microwave heating of SMC composite materials according to the present invention;
FIG. 2 is a control system diagram of a system and method for controlling full-automatic microwave heating of SMC composite materials in accordance with the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this embodiment, please refer to fig. 2, a full-automatic microwave heating control system for an SMC composite material includes a signal acquisition system, a servo driving system, a microwave heating system and a complete machine operation system, wherein the signal acquisition system includes a digital cloud terminal and a network module, and the digital cloud terminal acquires information on the servo driving system through the network module; the servo driving system comprises a PLC control system, and the PLC control system takes Siemens smart200PLC as a main control system; the microwave heating system comprises one or more microwave drivers and one or more microwave generators, the PLC control system controls the microwave drivers to drive the microwave generators to work, the whole machine operation system comprises an SMC composite material inlet for entering of the SMC composite material, an SMC composite material outlet for discharging of the heated SMC composite material, a man-machine interface HMI for mutual interaction among information of the PLC control system in the servo drive system, a microwave heating bin for heating the SMC composite material, a conveying platform for conveying the SMC composite material to be heated and conveying and discharging the heated SMC composite material, a weighing module positioned at the bottom of the conveying platform for calculating heating temperature and heating time after weighing the heated SMC composite material, a device bracket for supporting the conveying platform, a heating bin baffle for closing the microwave SMC heating bin after the SMC composite material is conveyed to the microwave heating bin, and an observation window for observing the state of the composite material in the heating process of the SMC composite material in the heating process; the system comprises a microwave heating bin, a microwave conveying platform, a PLC control system, a signal acquisition system, a sheet metal baffle plate, a microwave heating system, a sheet metal baffle plate, a support steel frame, a sheet metal box, a microwave heating system, a signal acquisition system and a power supply, wherein the microwave heating bin is provided with a microwave feeding port and a microwave composite material discharging port; the PLC control system comprises a servo driving motor; the system comprises a human-machine interface HMI, a PLC control system, a microwave driver, a microwave generator, a weighing module, a signal acquisition system, a digital cloud and a network remote module, wherein the human-machine interface HMI performs information interaction with the PLC control system, the PLC control system receives instruction information transmitted by the human-machine interface HMI and then controls the microwave driver and the microwave generator, the microwave driver is positioned above the microwave generator and is used for driving the microwave generator to perform heating work, the PLC control system receives the instruction information transmitted by the human-machine interface HMI and then controls the weighing module, the digital cloud and the network remote module in the signal acquisition system, and the digital cloud can perform checking of the running state of the microwave heating control system on the remote monitoring equipment after acquiring data in the PLC control system through the network module.
In this embodiment, a cover plate, a heating bin partition plate and a side plate are arranged on the microwave heating bin and are in airtight connection with the cover plate, a human-machine interface HMI and an observation window are arranged on the side plate, a touch sensing screen is arranged on the human-machine interface HMI, a plurality of manual operation keys for adjusting heating parameter settings are also arranged for starting a servo driving motor and a full-automatic microwave heating control system, or conventional parameter settings are arranged, and the parameter settings comprise setting of a transmission running speed of a transmission platform, loading of a production formula of a current SMC composite product, thickness of the SMC composite, weight of the SMC composite, heating temperature of the SMC composite, heating time and the like.
In this embodiment, the servo driving motor controls the touch module on the touch sensing screen to send instruction information to the corresponding microwave heating system and complete machine operation system, a conveyor belt is arranged on the conveying platform, a double-shaft linkage system is arranged between the conveying platform and the conveyor belt, the double-shaft linkage system is controlled by the servo driving motor, the conveyor belt is connected with the conveying platform in a double-shaft linkage manner, a supporting frame is arranged below the conveyor belt and is used for supporting the conveyor belt at the upper end, a weighing sensor is arranged in the weighing module, and the weighing sensor is located at the bottom of the conveyor belt.
In this embodiment, please refer to fig. 1, a method for controlling full-automatic microwave heating of an SMC composite material, including a system for controlling full-automatic microwave heating of an SMC composite material according to any one of the above, the control and method includes the following steps:
opening a manual control button of a servo driving motor in a human-machine interface HMI for controlling a PLC control system, starting the servo driving motor, driving a conveying platform by the servo driving motor to feed the SMC composite material onto a conveying belt of the conveying platform, and conveying according to the preset running speed of the conveying belt when conveying the SMC composite material;
2: when the SMC composite material is conveyed onto the conveyor belt, after the PLC control system is restarted to control the weighing sensor to calculate the weight of the SMC composite material on the conveyor belt, the weighing sensor calculates the time required by heating the SMC composite material or the temperature required by heating the SMC composite material, wherein the conventional weight of the SMC composite material is 40kg, and the heating temperature is 200 ℃;
3, driving a conveyor belt on a conveying platform by a servo driving motor to convey the SMC composite material to a microwave heating bin, and driving a partition board of the heating bin to execute a closing command;
4: the PLC control system controls the microwave system to execute a heating command and detects the heating temperature of the SMC composite material in the heating process;
5: after heating is finished, the servo driving motor drives the heating bin partition plate to execute an opening command, and the servo driving motor drives the conveying platform to convey the SMC composite material to a discharging position; the discharging position is positioned at one end of the SMC composite material bin outlet;
6: when discharging, the servo driving motor drives the conveyor belt to independently advance to perform feeding and drive the conveyor platform to perform retreating, and the servo driving motor drives the conveyor belt to flatten the heated SMC composite material into the die;
7: after the conveyor belt spreads the heated SMC composite material to the inside of the die, the servo drive motor drives the conveying platform to retract to the original point, and after the feeding of the conveyor belt is completed, the command of retracting to the conveying platform is executed under the drive command of the servo drive motor, so that the heating process of the SMC composite material is completed once.
In this embodiment, in step 1, the method includes placing the SMC composite material on a conveyor belt of a conveyor platform through an SMC composite material inlet;
in the step 2, when calculating the time required for heating the SMC composite material on the conveyor belt or the temperature required for the SMC composite material, weighing the weight of the SMC composite material on the conveyor belt according to a weighing sensor at the bottom of the conveyor belt, and then calculating the time required for heating the SMC composite material or the temperature required for the SMC composite material according to the weight of the SMC composite material;
in step 3, when the SMC composite material is conveyed to the heating bin, after relevant parameters in the heating process are set on the touch sensing screen of the heating bin, instruction information of the relevant parameters is sent to the PLC control system, and the PLC control system controls the microwave driver to drive the microwave generator to heat the SMC composite material. Parameters include the thickness, heating temperature and heating time of the SMC composite material;
in step 4, when the detected heating temperature is implemented, the PLC control system controls the heating chamber to execute the stop heating command when heating to the temperature set in the system.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A full-automatic microwave heating control system of SMC combined material is characterized in that: the system comprises a signal acquisition system, a servo driving system, a microwave heating system and a complete machine operation system, wherein the signal acquisition system comprises a digital cloud and a network module; the servo driving system comprises a PLC control system; the microwave heating system comprises one or more microwave drivers and one or more microwave generators, and the whole machine operation system comprises an SMC composite material bin inlet, an SMC composite material bin outlet, a man-machine interface HMI, a microwave heating bin, a conveying platform, a weighing module, an equipment bracket, a heating bin partition board and an observation window; the system comprises a conveying platform, a microwave heating bin, a sheet metal baffle, a PLC control system, a whole machine operation system and a signal acquisition system, wherein the conveying platform is arranged at the bottom of the microwave heating bin;
the PLC control system comprises a servo driving motor; the human-machine interface HMI performs information interaction with the PLC control system, and the PLC control system receives instruction information transmitted by the human-machine interface HMI and then controls the microwave driver, the microwave generator, the weighing module and the digital cloud and network remote module in the signal acquisition system.
2. The full-automatic microwave heating control system of the SMC composite material of claim 1, wherein: the microwave heating bin is provided with a cover plate, a heating bin partition plate and a side plate, wherein the heating bin partition plate and the side plate are hermetically connected with the cover plate, a human-machine interface HMI and an observation window are arranged on the side plate, a touch sensing screen is arranged on the human-machine interface HMI, and a plurality of manual operation keys for adjusting heating parameter setting are also arranged for starting a servo driving motor and starting or conventional parameter setting of a full-automatic microwave heating control system.
3. The full-automatic microwave heating control system of the SMC composite material according to claim 2, wherein the servo driving motor controls a touch module on the touch sensing screen to send instruction information to the corresponding microwave heating system and the whole machine operation system.
4. The full-automatic microwave heating control system of the SMC composite material of claim 1, wherein: the conveying platform is provided with a conveying belt, a supporting frame is arranged below the conveying belt and used for supporting the conveying belt at the upper end, the weighing module comprises a weighing sensor, and the weighing sensor is located at the bottom of the conveying belt.
5. The full-automatic microwave heating control system of the SMC composite material of claim 1, wherein: the conveying platform is provided with a conveying belt, a double-shaft linkage system is arranged between the conveying platform and the conveying belt, the double-shaft linkage system is controlled by a servo driving motor, and the conveying belt is connected with the conveying platform in a double-shaft linkage mode.
6. The full-automatic microwave heating control system of the SMC composite material of claim 1, wherein: the bottom of the rear end of the microwave heating bin is provided with a die for placing the heated SMC composite material.
7. The full-automatic microwave heating control system of the SMC composite material of claim 1, wherein: the microwave driver is positioned above the microwave generator and is used for driving the microwave generator to perform heating operation.
8. The full-automatic microwave heating control system of the SMC composite material of claim 1, wherein: after the digital cloud terminal collects data in the PLC control system through the network module, the operation state of the microwave heating control system can be checked on the remote monitoring equipment.
9. A method for controlling full-automatic microwave heating of an SMC composite material, comprising a full-automatic microwave heating control system of an SMC composite material according to any of the preceding claims 1-8, characterized by comprising the steps of:
s1: opening a manual control button on a human-machine interface HMI for controlling a servo driving motor in a PLC control system, starting the servo driving motor, and driving a conveying platform by the servo driving motor to feed the SMC composite material onto a conveying belt of the conveying platform;
s2: starting a PLC control system, and after the PLC control system controls a weighing sensor to calculate the weight of the SMC composite material on the conveyor belt, the weighing sensor calculates the time required by heating the SMC composite material or the temperature required by heating the SMC composite material;
s3: the servo driving motor drives a conveyor belt on the conveying platform, the conveyor belt conveys the SMC composite material to the microwave heating bin, and the servo driving motor drives the heating bin partition plate to execute a closing command;
s4: the PLC control system controls the microwave system to execute a heating command and detects the heating temperature of the SMC composite material in the heating process;
s5: after heating is finished, the servo driving motor drives the heating bin partition plate to execute an opening command, and the servo driving motor drives the conveying platform to convey the SMC composite material to a discharging position; the discharging position is positioned at one end of the SMC composite material bin outlet;
s6: when discharging, the servo driving motor drives the conveyor belt to independently advance to perform feeding and the conveying platform to perform retreating, and the conveyor belt is driven to flatten the heated SMC composite material into the die;
s7: after the conveyor belt spreads the heated SMC composite material to the inside of the die, the servo drive motor drives the conveying platform to retract to the original point, and after the feeding of the conveyor belt is completed, the command of retracting to the conveying platform is executed under the drive command of the servo drive motor, so that the heating process of the SMC composite material is completed once.
10. The full-automatic microwave heating control method for the SMC composite material according to claim 9, wherein the method comprises the following steps: the S1 comprises the steps of placing an SMC composite material on a conveyor belt of a conveying platform through an SMC composite material bin inlet;
in the step S2, when the time required for heating the SMC composite material on the conveyor belt or the temperature required for the SMC composite material is calculated, the time required for heating the SMC composite material or the temperature required for the SMC composite material is calculated according to the weight of the SMC composite material after the weight of the SMC composite material on the conveyor belt is weighed according to a weighing sensor at the bottom of the conveyor belt;
in the step S3, when the SMC composite material is conveyed to a heating bin, after relevant parameters in the heating process are set on a touch sensing screen of the heating bin, instruction information of the relevant parameters is sent to a PLC control system, and the PLC control system controls a microwave driver to drive a microwave generator to heat the SMC composite material;
in S4, when the detected heating temperature is implemented, the PLC control system controls the heating chamber to execute the stop heating command when heating to the temperature set in the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310945313.3A CN116669247A (en) | 2023-07-31 | 2023-07-31 | Full-automatic microwave heating control system and method for SMC composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310945313.3A CN116669247A (en) | 2023-07-31 | 2023-07-31 | Full-automatic microwave heating control system and method for SMC composite material |
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| CN116669247A true CN116669247A (en) | 2023-08-29 |
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| CN202310945313.3A Pending CN116669247A (en) | 2023-07-31 | 2023-07-31 | Full-automatic microwave heating control system and method for SMC composite material |
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| CN207763483U (en) * | 2017-12-15 | 2018-08-24 | 昆明理工大学 | A kind of band large-scale metal ingot microwave heating equipment |
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| CN113619003A (en) * | 2021-08-17 | 2021-11-09 | 成都正西液压设备制造有限公司 | Automatic feeding machine with preheating function for pre-compression molding process of SMC (sheet molding compound) material |
| CN113797870A (en) * | 2021-04-01 | 2021-12-17 | 昆明理工大学 | Open-close type microwave catalytic reaction device |
| CN113939056A (en) * | 2021-09-29 | 2022-01-14 | 赛赫智能设备（上海）股份有限公司 | Frequency conversion microwave heating device |
| CN215898049U (en) * | 2021-09-09 | 2022-02-22 | 陕西中霖沥青路面养护科技有限公司 | Microwave heating equipment for laboratory |
-
2023
- 2023-07-31 CN CN202310945313.3A patent/CN116669247A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207763483U (en) * | 2017-12-15 | 2018-08-24 | 昆明理工大学 | A kind of band large-scale metal ingot microwave heating equipment |
| CN108826383A (en) * | 2018-05-09 | 2018-11-16 | 海尔优家智能科技（北京）有限公司 | A kind of micro-wave oven heating means, device, storage medium and micro-wave oven |
| CN113797870A (en) * | 2021-04-01 | 2021-12-17 | 昆明理工大学 | Open-close type microwave catalytic reaction device |
| CN113619003A (en) * | 2021-08-17 | 2021-11-09 | 成都正西液压设备制造有限公司 | Automatic feeding machine with preheating function for pre-compression molding process of SMC (sheet molding compound) material |
| CN215898049U (en) * | 2021-09-09 | 2022-02-22 | 陕西中霖沥青路面养护科技有限公司 | Microwave heating equipment for laboratory |
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