CN201846496U - Microwave heating and solidifying instrument - Google Patents
Microwave heating and solidifying instrument Download PDFInfo
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- CN201846496U CN201846496U CN201020575893XU CN201020575893U CN201846496U CN 201846496 U CN201846496 U CN 201846496U CN 201020575893X U CN201020575893X U CN 201020575893XU CN 201020575893 U CN201020575893 U CN 201020575893U CN 201846496 U CN201846496 U CN 201846496U
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Abstract
The utility model relates to a microwave heating and solidifying instrument which is characterized by comprising an open type microwave radio-frequency radiation unit (7) and a radio-frequency control unit (6) which are separated, wherein the open type microwave radio-frequency radiation unit (7) and the radio-frequency control unit (6) are connected by a wire cable, and the microwave radio-frequency radiation unit (7) comprises a magnetron (8), a microwave transmission module (9) and a microwave radiator (20) which are integrated into a whole. In the utility model, the microwave radio-frequency radiation unit and the radio-frequency control unit are separated in a physical structure, so that the microwave radio-frequency radiation unit has greater flexible operation freedom. Moreover, because the safety performance is fully considered, the microwave radio-frequency radiation unit can be used in an open type or a sealed type, thereby expanding the application range of the microwave heating and solidifying instrument greatly.
Description
Technical field
The utility model relates to the curing instrument, and this curing instrument is microwave heating, is applicable to the numerous industries that need heating.
Background technology
The mode of heating of traditional firing equipment (roasting lamp, electric heating felt, metal derby, baking box) all from outward appearance to inner essence, internal gas can cause firming body to be peeled off during heating, influences intensity index etc.And microwave heating mainly is to utilize the penetrability of microwave and selectivity characteristics and medium heating effect thereof to achieve the goal.In brief, be exactly microwave radiometer by means of various different types, the microwave energy guiding that microwave generator is produced, shine in heated object, make it that heating up plays the effect of heating because dielectric loss absorbs microwave energy.And evenly, the effective advantages such as depth of penetration heating is dark of good directionality, heating surface Energy distribution that microwave heating has an emittance, but traditional microwave heating instrument all is to heat in the cavity of sealing basically, has limited the scope of application and industry.Solidify instrument so be necessary to design brand-new microwave heating.
Summary of the invention
The purpose of this utility model provides a kind of new type of microwave instrument that is heating and curing, and microwave radiometer is flexible and convenient to use, and heating can be open, also can be enclosed, makes it needing to go for numerous industries of heating.
Instrument is solidified in described a kind of microwave heating, it is characterized in that: the open microwave radioradiation unit and the radio frequency control unit that comprise separation, between connect by cable, the microwave radioradiation unit comprises integrated magnetron, microwave transmission module and microwave radiometer.
Described radio frequency control unit comprises that power supply, cathode voltage produce circuit, anode voltage produces circuit, control and overload protection block; wherein cathode voltage generation circuit is connected with the corresponding output end of power supply with the input that anode voltage produces circuit, and the output of controller overload protection module is connected with the respective input of power supply.
Described radio frequency control unit comprises the communication interface with host computer, and is connected with host computer by this interface.
Described radio frequency control unit comprises single-chip microcomputer, and the input/output interface of described single-chip microcomputer is connected with sensing module output, temperature correction module output with control and overload protection module port, temperature detection respectively.
Described temperature detection comprises temperature sensor, direct current amplifier, the A/D converter that is connected successively with sensing module, and wherein temperature sensor is installed in the front end of microwave radiometer; Each radio frequency control unit is connected with one or more microwave radioradiations unit by high-voltage line and multicore shielding line, one end of high-voltage line is connected with the magnetron of microwave radioradiation unit, the other end produces circuit with the negative electrode of radio frequency control unit with anode voltage and is connected, and the multicore shielding line is mounted on the temperature sensor of microwave radioradiation unit and the signal input interface of radio frequency control unit.
Described microwave radioradiation unit has the cooling system that acts on microwave source in the microwave generator.
The utility model separates with the radio frequency control unit microwave radioradiation unit from physical structure, make the microwave radioradiation unit that bigger flexible operating freedom be arranged, and owing on security performance, take into full account, make the microwave radioradiation unit can open or closed use, thereby expanded the range of application that instrument is solidified in microwave heating greatly.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the utility model circuit catenation principle block diagram,
Fig. 3 is to use connection diagram,
Fig. 4 is tubaeform microwave radiometer structural representation.
Among the figure: 1-power supply, 2-control and overload protection module, 3-single-chip microcomputer; the 4-anode voltage produces circuit; the 5-cathode voltage produces circuit, 6-radio frequency control unit, 7-microwave radioradiation unit; the 8-magnetron; 9-microwave transmission module, 10-microwave radiation module, 11-temperature sensor; the 12-direct current amplifier; 13-temperature correction module, 14-A/D transducer, 15-host computer; the 16-microwave generator; the 17-cooling system, 18-multicore shielding line, 19-high-voltage line; the 20-microwave radiometer, the 21-radiation area.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified: instrument is solidified in microwave heating as shown in Fig. 1,2, the microwave radioradiation unit 7 and the radio frequency control unit 6 that comprise separation, between connect by cable, open microwave radioradiation unit 7 comprises fixed set all-in-one-piece magnetron 8, microwave transmission module 9 and microwave radiometer 20.On physical structure microwave radioradiation unit 7 is separated with radio frequency control unit 6, the signal of telecommunication and energy are by the cable transmission.
Described radio frequency control unit 6 comprises that power supply 1, cathode voltage produce circuit 5, anode voltage produces circuit 4, control and overload protection block 2; wherein cathode voltage generation circuit 5 is connected with the corresponding output end of power supply 1 with the input that anode voltage produces circuit 4, and the output of controller overload protection module 2 is connected with the respective input of power supply 1.Radio frequency control unit 6 can be controlled by intelligent processor by mode described below.
The first: described radio frequency control unit 6 comprises the communication interface with host computer 15, and is connected with host computer 15 by this interface.
Another kind of embodiment is: described radio frequency control unit 6 comprises single-chip microcomputer 3, and the single-chip microcomputer in radio frequency control unit 6 is independently controlled one or more microwave radioradiations unit 7 and temperature detection.The input/output interface of described single-chip microcomputer 3 is connected with sensing module output, temperature correction module 13 outputs with control and overload protection module 2 ports, temperature detection respectively.
Prioritization scheme is as shown in Figure 1, 2, can have the Single-chip Controlling of radio frequency control unit 6 simultaneously, and possesses the communication interface that is connected host computer, and can be at any time be connected communication with last for computer.
Described temperature detection comprises temperature sensor 11, direct current amplifier 12, the A/D converter 14 that is connected successively with sensing module, and as Fig. 1, wherein temperature sensor 11 is installed in the front end of microwave radiometer 20; As shown in Figure 3, each radio frequency control unit 6 is connected with one or more microwave radioradiations unit 7 by high-voltage line 19 and multicore shielding line 18, one end of high-voltage line 19 is connected with the magnetron 8 of microwave radioradiation unit 7, the other end produces circuit 5,4 with the negative electrode of radio frequency control unit 6 with anode voltage and is connected, and multicore shielding line 18 is mounted on the temperature sensor 11 of microwave radioradiation unit 7 and the signal input interface of radio frequency control unit 6.
Described microwave radioradiation unit 7 has the cooling system 17 that acts on microwave source in the microwave generator 16.
Magnetron claims microwave power source again; its effect is to produce the required microwave power of heating; power supply provides essential dc high voltage and low voltage signal to magnetron; wherein the low-voltage of cathode voltage generation circuit generation is added in and produces hot electron on the magnetron cathode; the high voltage that anode voltage produces the circuit generation is added in the thermionic emission microwave signal that negative electrode is produced, and anode voltage produces the control signal that circuit will be controlled and overload protecting circuit is sent here and produces adjustable anode of magnetron high voltage to change its output microwave power.In order to prolong the useful life of magnetron, add water-cooled or air cooling system to it usually.In order to reduce the influence of magnetron, also to adopt photoelectricity to isolate between the two simultaneously, need lead-in sexual isolation device, for example shield and filter etc. single-chip microcomputer.
The microwave signal energy arrives microwave radiometer through microwave transmission device and directly outwards carries out radiation heating, the shape of microwave radiometer, size, material depend on the thermal treatment zone position, character and with the matching status of complete machine.Integral body of the integrated formation of magnetron, transmission apparatus and radiator makes radio circuit away from control circuit so on the one hand, has reduced the interference of microwave to operating personnel's radiation and control circuit, has improved fail safe; On the other hand, this design has also reduced all conversion links in the microwave transmission process, has both reduced the possibility of microwave leakage, and the efficient of microwave magnetron is promoted significantly.
The effect of temperature sensing circuit is that the temperature signal of repairing the district is gathered in real time, and sends into single-chip microcomputer and handle.Conduct electricity route temperature sensor, direct current amplifier, A/D converter of temperature formed.Temperature sensor is used for the temperature variation of weld is converted to current change quantity; Direct current amplifier is used for that the current signal of being sent here by temperature bridge is carried out direct current and amplifies; The analog voltage signal that A/D converter is then exported direct current amplifier is converted to digital signal and sends into the single-chip microcomputer processing.In order to reach best temperature control effect, according to the needs of actual measurement, a plurality of temperature that are heated the position can be gathered by system, handle for single-chip microcomputer.The effect of temperature correction circuit is ambient temperature to be gathered in real time send into single-chip microcomputer, the temperature sensor of repairing the district is calibrated and is revised with the ambient temperature of real-time collection by single-chip microcomputer.
Single-chip microcomputer is the control core of complete machine, and the temperature signal that is used for finishing sending into is handled.According to the anode voltage and the make-and-break time of " one time of temperature " curve controlled magnetron, make the temperature of repairing the district by different cure profile A.T.C climbing speeds.Can also monitor in real time complete machine voltage according to anode of magnetron voltage, the supply voltage gathered, and overload situations is sent power-off signal etc. in real time.Simultaneously single-chip microcomputer can also integrated a plurality of radio-frequency front-ends, finish the multiple spot of target or multiobjectly add thermal control.
Host computer is used to control, computer software design is developed based on the platform of virtual device exploitation, finish designing and developing of serial communication module, power conditioning module and data base management system, and realized their programmings that is associated each other.Computer is by serial communication and power conditioning module and the next single-chip microcomputer acting in conjunction, realization is to the monitoring and the control of magnetron, its power output of regulating and controlling is stable, main is that computer adopts visit of database access instrument and management database, can logarithm the real-time processing of line now factually, help realizing information system management.
The radiogical safety of microwave heating equipment is a relatively more responsive topic, and this equipment has taked following measure to reduce the microwave leakage radiation: the one, and well-designed radiator.As shown in Figure 4, microwave radiometer is the emphasis of design, and the characteristics according to Fast Heating is solidified can be designed to horn shape with radiator.Because by the heater that horn antenna is formed, it can be radiated heated surface to microwave energy, and then is penetrated into the inside of material.Can effectively control the transmission range of exporting microwave through well-designed radiator,, also make the decay rapidly in air of its energy, on certain distance, can not constitute harm human body even leakage is arranged.The 2nd, select ripe small-power magnetron for use.Well-designed owing to radiator has been carried out, its energy conversion efficiency is improved by a relatively large margin, and this just gives and selects for use ripe small-power magnetron that possibility is provided.The raising of energy conversion efficiency also makes system-wide gross power greatly reduce, and has made positive contribution at aspects such as energy-conserving and environment-protective, green low charcoals, also has bigger meaning for dwindling of main frame volume simultaneously.Especially aspect the minimizing radiation, its meaning is more great.The 3rd, increase the distance between operating personnel and the microwave source.In air, along with the increase of spacing distance, microwave energy is decay rapidly.Utilize this characteristic, we increase the distance between operating personnel and the microwave source in design as much as possible.Use at present and extend to 5 meters cable, can guarantee effectively that the amount of radiation that operating personnel bore in the control end position does not exceed the safe range of national regulation.
Claims (6)
1. instrument is solidified in a microwave heating, it is characterized in that: the open microwave radioradiation unit (7) and the radio frequency control unit (6) that comprise separation, between connect by cable, microwave radioradiation unit (7) comprise integrated magnetron (8), microwave transmission module (9) and microwave radiometer (20).
2. instrument is solidified in microwave heating according to claim 1; it is characterized in that: described radio frequency control unit (6) comprises that power supply (1), cathode voltage produce circuit (5), anode voltage produces circuit (4), control and overload protection block (2); wherein cathode voltage generation circuit (5) is connected with the corresponding output end of power supply (1) with the input that anode voltage produces circuit (4), and the output of controller overload protection module (2) is connected with the respective input of power supply (1).
3. instrument is solidified in microwave heating according to claim 2, it is characterized in that: described radio frequency control unit (6) comprises the communication interface with host computer (15), and is connected with host computer (15) by this interface.
4. instrument is solidified in microwave heating according to claim 1 and 2; it is characterized in that: described radio frequency control unit (6) comprises single-chip microcomputer (3), and the input/output interface of described single-chip microcomputer (3) is connected with sensing module output, temperature correction module (13) output with control and overload protection module (2) port, temperature detection respectively.
5. instrument is solidified in microwave heating according to claim 4, it is characterized in that: described temperature detection comprises temperature sensor (11), direct current amplifier (12), the A/D converter (14) that is connected successively with sensing module, and wherein temperature sensor (11) is installed in the front end of microwave radiometer (20); Each radio frequency control unit (6) is connected with one or more microwave radioradiations unit (7) by high-voltage line (19) and multicore shielding line (18), one end of high-voltage line (19) is connected with the magnetron (8) of microwave radioradiation unit (7), the other end produces circuit (5,4) with the negative electrode of radio frequency control unit (6) with anode voltage and is connected, and multicore shielding line (18) is mounted on the temperature sensor (11) of microwave radioradiation unit (7) and the signal input interface of radio frequency control unit (6).
6. instrument is solidified in microwave heating according to claim 1, and it is characterized in that: described microwave radioradiation unit (7) has the cooling system (17) that acts on the interior microwave source of microwave generator (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020575893XU CN201846496U (en) | 2010-10-25 | 2010-10-25 | Microwave heating and solidifying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020575893XU CN201846496U (en) | 2010-10-25 | 2010-10-25 | Microwave heating and solidifying instrument |
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| Publication Number | Publication Date |
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| CN201846496U true CN201846496U (en) | 2011-05-25 |
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| CN201020575893XU Expired - Fee Related CN201846496U (en) | 2010-10-25 | 2010-10-25 | Microwave heating and solidifying instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553092A (en) * | 2011-12-31 | 2012-07-11 | 重庆海扶(Hifu)技术有限公司 | Automatic matching control system and method for high-frequency generator of ultrasonic treatment equipment |
| CN103091357A (en) * | 2011-11-02 | 2013-05-08 | 上海华源热疗技术有限公司 | PC programmed type microwave thermal effect tester |
| WO2014008730A1 (en) * | 2012-07-09 | 2014-01-16 | 北京京东方光电科技有限公司 | Alignment film curing device and method for using same |
| CN105101502A (en) * | 2014-05-08 | 2015-11-25 | 南京三乐微波技术发展有限公司 | Microwave energy generator of high power and low ripple factor |
| CN109417836A (en) * | 2016-12-27 | 2019-03-01 | 惠而浦公司 | Inexpensive solid-state RF generating system for electromagnetism culinary art |
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2010
- 2010-10-25 CN CN201020575893XU patent/CN201846496U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091357A (en) * | 2011-11-02 | 2013-05-08 | 上海华源热疗技术有限公司 | PC programmed type microwave thermal effect tester |
| CN102553092A (en) * | 2011-12-31 | 2012-07-11 | 重庆海扶(Hifu)技术有限公司 | Automatic matching control system and method for high-frequency generator of ultrasonic treatment equipment |
| CN102553092B (en) * | 2011-12-31 | 2015-11-18 | 重庆海扶医疗科技股份有限公司 | Ultrasonic therapy equipment high frequency generator Auto-matching control system and control method |
| WO2014008730A1 (en) * | 2012-07-09 | 2014-01-16 | 北京京东方光电科技有限公司 | Alignment film curing device and method for using same |
| US9907124B2 (en) | 2012-07-09 | 2018-02-27 | Beijing Boe Optoelectronics Technology Co., Ltd. | Device for curing alignment film and method using the same |
| CN105101502A (en) * | 2014-05-08 | 2015-11-25 | 南京三乐微波技术发展有限公司 | Microwave energy generator of high power and low ripple factor |
| CN109417836A (en) * | 2016-12-27 | 2019-03-01 | 惠而浦公司 | Inexpensive solid-state RF generating system for electromagnetism culinary art |
| CN109417836B (en) * | 2016-12-27 | 2021-04-16 | 惠而浦公司 | Solid state radio frequency generation system and electromagnetic cooking device |
| US11057969B2 (en) | 2016-12-27 | 2021-07-06 | Whirlpool Corporation | Low cost solid state RF generation system for electromagnetic cooking |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20131025 |