CN208190529U - A kind of radio-frequency power supply control system - Google Patents
A kind of radio-frequency power supply control system Download PDFInfo
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- CN208190529U CN208190529U CN201820706337.8U CN201820706337U CN208190529U CN 208190529 U CN208190529 U CN 208190529U CN 201820706337 U CN201820706337 U CN 201820706337U CN 208190529 U CN208190529 U CN 208190529U
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Abstract
The utility model discloses a kind of radio-frequency power supply control systems, including controller, radio-frequency power detection module, radio frequency powered module, operation panel module, LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module, refrigerating module and power module.Controller is connect with radio-frequency power detection module, radio frequency powered module, operation panel module, LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module and refrigerating module respectively, power module is for providing power supply needed for system works, adaptation communication module is used to provide communication port for adaptation, and interfacing expansion module is used to provide analogue data interface for user.The utility model ensures the work of radio-frequency power supply normal table, and user-friendly and the entire radio-frequency power supply of real time inspection working condition can protect radio-frequency power supply in the case where there is abnormal condition in time.The utility model can be used for radio-frequency power supply control technology field.
Description
Technical field
The utility model relates to power supply control technologies, more particularly, to a kind of radio-frequency power supply control system.
Background technique
Radio-frequency power supply is a kind of power supply of offer radio band electromagnetic wave, and stability will affect the work of electrical equipment, because
This, needs the operating temperature of real-time monitoring radio-frequency power supply and cools down to it.In actual use, user usually requires
The working condition of real time inspection radio-frequency power supply, and the running parameter for conveniently and efficiently adjusting radio-frequency power supply is wanted to, and radio frequency
Self-test and user can be reminded in time when power failure.Forward power and reflection power reflect the efficiency of radio-frequency power supply,
Radio-frequency power supply needs efficient forward power and reflection power detection circuit, to detect the working condition of radio-frequency power supply.
With enriching for peripheral automatic control equipment, radio-frequency power supply needs data-interface to realize the data with peripheral automatic control equipment
Exchange, to increase its controllability.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of radio-frequency power supply control systems.
Technical solution adopted in the utility model is:
A kind of radio-frequency power supply control system comprising controller, radio-frequency power detection module, radio frequency powered module, operation
Panel module, LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module, refrigerating module and power supply
Module；
The controller respectively with power module, radio-frequency power detection module, radio frequency powered module, operation panel module,
LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module are connected with refrigerating module.
Further, radio-frequency power supply control system further includes first voltage conversion module and second voltage conversion module, institute
It states first voltage conversion module to connect with power module and radio-frequency power detection module respectively, the second voltage conversion module point
It is not connect with power module and interfacing expansion module.
Further, the first voltage conversion module includes the first DC-DC conversion circuit, first direct current-
DC converting circuit is connect with power module and radio-frequency power detection module respectively.
Further, the second voltage conversion module includes the second DC-DC conversion circuit, third DC-DC
Conversion circuit and oscillating circuit；The second DC-DC conversion circuit is connect with power module and interfacing expansion module respectively；
The third DC-DC conversion circuit is connect with power module and interfacing expansion module respectively；The oscillating circuit respectively with
Second DC-DC conversion circuit, third DC-DC conversion circuit are connected with power module.
Further, the second DC-DC conversion circuit includes the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th
Capacitor, first diode, the second diode, third diode, first resistor, the first transformer and the first field-effect tube；It is described
One end of 4th capacitor, one end of the 5th capacitor, the cathode of first diode, the first transformer primary side one end connection after with
Power module connection, the anode of second diode, one end of first resistor are connect with the anode of first diode, described
The cathode of second diode, the other end of first resistor, the first transformer primary side the other end with the first field-effect tube
Drain electrode connection, the grid of first field-effect tube connect with oscillating circuit, one end of the first transformer primary side it is same
The positive of name end and third diode connect, one end of the 6th capacitor, the 7th capacitor one end with third diode
Cathode connection, the other end, the other end of the 5th capacitor, the source electrode of the first field-effect tube, the first transformer of the 4th capacitor
The different name end of one end of primary side, the other end of the 6th capacitor, the 7th capacitor the other end be grounded；
Further, the third DC-DC conversion circuit includes the 8th capacitor, the 9th capacitor, the tenth capacitor, the tenth
One capacitor, the 12nd capacitor, the 13rd capacitor, the 5th diode, the 6th diode, the 8th diode, the 9th diode, second
The secondary winding of resistance, the second transformer and the second field-effect tube, second transformer has centre cap；8th electricity
One end of appearance, one end of the 9th capacitor, the cathode of the 5th diode, the second transformer primary side one end with power module connect
It connects, the anode of the 6th diode, one end of second resistance are connect with the anode of the 5th diode, the 6th diode
Cathode, the other end of second resistance, the other end of the second transformer primary side connect with the drain electrode of the second field-effect tube, institute
The grid for stating the second field-effect tube is connect with oscillating circuit, the Same Name of Ends and the 9th 2 of one end of the second transformer primary side
The anode connection of pole pipe, one end of the 12nd capacitor, one end of the 13rd capacitor are connect with the cathode of the 9th diode,
The different name end of one end of the second transformer primary side is connect with the cathode of the 9th diode, the tenth capacitor, the 11st
One end of capacitor is connect with the anode of the 9th diode, the other end of the 8th capacitor, the other end of the 9th capacitor, second
The source electrode of field-effect tube, the other end of the tenth capacitor, the other end of the 11st capacitor, the other end of the 12nd capacitor, the 13rd
The other end of capacitor, the second transformer secondary winding centre cap be grounded.
Further, the radio-frequency power detection module include RF power sensing circuit, forward power amplifying circuit and
Reflection power amplifying circuit；The RF power sensing circuit respectively with forward power amplifying circuit, reflection power amplifying circuit
Connection；The forward power amplifying circuit is connect with power module and controller respectively；The reflection power amplifying circuit difference
It is connect with power module and controller.
Further, the RF power sensing circuit includes the 17th capacitor, the 18th capacitor, the 19th capacitor, the
20 capacitors, the 21st capacitor, the 22nd capacitor, the 23rd capacitor, the 24th capacitor, the 25th capacitor,
One tunable capacitor, the 12nd diode, the 13rd diode, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the tenth
One resistance, twelfth resistor, thirteenth resistor, the 14th resistance, the 15th resistance, the 16th resistance, the 17th resistance, the tenth
The secondary winding of eight resistance, the 19th resistance, the 20th resistance, third transformer, the third transformer has centre cap,
One end of 17th capacitor, one end of third transformer primary side are connect with measured signal one end, the 7th resistance
One end, one end of the 8th resistance, one end of the 18th capacitor, one end, one end of the first tunable capacitor of the 19th capacitor it is equal
It is connect with the other end of the 17th capacitor, one end, one end of the 23rd capacitor of the 22nd capacitor are electric with the 8th
The other end of resistance connects, and the other end of the 22nd capacitor and one end of thirteenth resistor connect, the thirteenth resistor
The other end, the 14th resistance one end connect with the cathode of the 12nd diode, the anode of the 12nd diode,
One end of ten resistance is connect with one end of the 24th capacitor, one end of the other end of the tenth resistance, the 20th capacitor
It is connect with one end of the 9th resistance, the other end of the 9th resistance is connect with reflection power amplifying circuit, and the described 20th
The other end of three capacitors is connect with one end of the 15th resistance, one end of the other end of the 15th resistance, the 16th resistance
Connect with the cathode of the 13rd diode, the anode of the 13rd diode, the 25th capacitor one end with the tenth
One end of two resistance connects, the other end of the twelfth resistor, the 21st capacitor one end with eleventh resistor one
End connection, the other end of the eleventh resistor connect with forward power amplifying circuit, the other end of the 16th resistance, the
One end of 17 resistance, the 18th resistance one end connect with the different name end of one end of third transformer primary side, described
The other end of 14 resistance, one end of the 19th resistance, the 20th resistance one end with third transformer primary side of one end
Same Name of Ends connection, the other end of the third transformer primary side connect with the measured signal other end, the measured signal one
End, the other end of the 7th resistance, the other end of the 18th capacitor, the other end of the 19th capacitor, the first tunable capacitor it is another
End, the other end of the 20th capacitor, the other end of the 21st capacitor, the 24th capacitor the other end, the 25th capacitor
The other end, the other end of the 17th resistance, the other end of the 18th resistance, the 19th resistance the other end, the 20th resistance
The other end, third transformer secondary winding centre cap be grounded.
Further, the forward power amplifying circuit includes the 26th capacitor, the 27th capacitor, the 28th electricity
Hold, the 29th capacitor, the 21st resistance, the 22nd resistance, the 23rd resistance, the 24th resistance, the 25th
Resistance, the 26th resistance and the first operational amplifier, one end of the 23rd resistance, the 25th resistance one end,
One end of 26th resistance is connect with first voltage conversion module, one end of the 22nd resistance, the 24th electricity
One end of resistance, the 26th capacitor one end connect with the other end of the 26th resistance, the 26th resistance it is another
One end is connect with RF power sensing circuit, the other end of the 25th resistance, the 29th capacitor one end with
The non-inverting input terminal of one operational amplifier connects, the other end of the 24th resistance, the 28th capacitor one end with
The inverting input terminal of first operational amplifier connects, and the other end of the 23rd resistance, one end of the 27th capacitor are equal
It is connect with the positive power source terminal of the first operational amplifier, the output end of first operational amplifier and one end of the 21st resistance
Connection, the other end of the 21st resistance, the other end of the 22nd resistance connect with the other end of the 26th capacitor
It connects, the other end of the 26th capacitor is connect with controller.
Further, the reflection power amplifying circuit includes the 30th capacitor, the 31st capacitor, the 14th pole
Pipe, the 27th resistance, the 28th resistance, the 29th resistance, the 30th resistance, second operational amplifier, the third
One end of ten resistance is connect with first voltage conversion module, and the other end of the 29th capacitor, the 14th diode are just
Extremely connect with the non-inverting input terminal of second operational amplifier, one end of the 29th resistance, the 28th resistance one
It holds, one end of the 30th capacitor is connect with the other end of the 30th resistance, the other end and radio frequency function of the 30th resistance
The connection of rate detection circuit, the other end of the 29th resistance, the 31st capacitor one end and second operational amplifier
Inverting input terminal connection, the output end of the second operational amplifier connect with one end of the 27th resistance, described second
The other end of 18 resistance, the 30th capacitor the other end connect with the other end of the 27th resistance, the described 31st
The other end of capacitor, the 14th diode cathode be grounded, the other end of the 27th resistance is connect with controller.
Further, the operation panel module include at least one key and/or at least one LED light and/or
At least one encoder, at least one described key and/or at least one LED light and/or at least one encoder difference
It is connect with controller and power module.
The beneficial effects of the utility model are: the utility model includes controller, radio-frequency power detection module, radio frequency powered
Module, operation panel module, LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module, cooling
Module and power module；The controller by interface respectively with radio-frequency power detection module, radio frequency powered module, operation panel
Module, LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module are connected with refrigerating module；It is described
Power module is for providing power supply needed for system works；The adaptation communication module is used to provide communication port for adaptation；
The interfacing expansion module is used to provide analogue data interface for user.Therefore, controller control temperature detecting module detects work
Make temperature, control radio-frequency power detection module detects the power of radio-frequency power supply, when above-mentioned running parameter occurs abnormal, controller
It controls in operation panel module and LCD MODULE is to user's alarm, the adjustment of radio frequency powered module can also be automatically controlled and penetrated
Frequency output power issues instruction to adaptation by adaptation communication module so as to adjust match parameter, realizes radio-frequency power supply
Negative-feedback regu- lation；Operation panel module has provided a user operation panel, allows users to the running parameter to radio-frequency power supply
It makes adjustment operation, interfacing expansion module extends the analog interface of control system, facilitates user by the equipment such as PLC and radio frequency electrical
Source connection, refrigerating module make system keep suitable operating temperature.
In addition, the utility model is additionally provided with the voltage matches for providing power module to be made to radio-frequency power detection module
First voltage conversion module, and voltage matches for providing power module used to interfacing expansion module second
Voltage transformation module, first voltage conversion module guarantee the stability powered to radio-frequency power detection module, improve radio-frequency power
Detection accuracy, second voltage conversion module by the utility model and user's external equipment isolated from power, avoid external equipment by
The High-frequency Interference of radio-frequency power supply.Radio-frequency power detection module includes sensitive RF power sensing circuit, forward power amplification electricity
Road and reflection power amplifying circuit forward power and the case where reflection power and can precisely will be supplied in monitoring radio-frequency power supply
Controller allows controller to make effective control to radio-frequency power supply.
Detailed description of the invention
Fig. 1 is the structure chart of the radio-frequency power supply control system of the utility model；
Fig. 2 is the radio-frequency power supply control with first voltage conversion module and second voltage conversion module of the utility model
The structure chart of system；
Fig. 3 is the circuit diagram of first voltage conversion module；
Fig. 4 is the circuit diagram of second voltage conversion module；
Fig. 5 is the circuit diagram of radio-frequency power detection module；
Fig. 6 is the circuit diagram of operation panel module.
Specific embodiment
It is below with reference to circuit diagram and preferably real in order to illustrate more clearly of the structure and working principle of the utility model
Example is applied to be described further.
1., radio-frequency power supply control system
As shown in Figure 1, the utility model radio-frequency power supply control system includes controller, radio-frequency power detection module, radio frequency
Power supply module, operation panel module, LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module,
Refrigerating module and power module, controller by interface respectively with radio-frequency power detection module, radio frequency powered module, operation panel
Module, LCD MODULE, adaptation communication module, interfacing expansion module, temperature detecting module are connected with refrigerating module.Power supply
Module provides the feeder ears such as+5V ,+15V, -15V, adaptation communication module is used to be for providing power supply needed for system works
Orchestration provides communication port, such as common RS485 protocol communication port, and controller controls radio frequency by adaptation communication module
The adaptation of power supply.Interfacing expansion module is used to provide analogue data interface for user, can access the equipment such as PLC.Controller
With interfaces such as I/O.DsPIC singlechip is preferably used in controller.
Controller controls temperature detecting module and detects operating temperature, control radio-frequency power detection module detection radio-frequency power supply
Power, when above-mentioned running parameter occurs abnormal, controller is controlled in operation panel module and LCD MODULE is to user
Alarm can also automatically control radio frequency powered module adjustment radio frequency power output, be sent out by adaptation communication module to adaptation
The negative-feedback regu- lation that radio-frequency power supply is realized so as to adjust match parameter is instructed out；Operation panel module has provided a user operation
Panel, allows users to operation of making adjustment to the running parameter of radio-frequency power supply, and interfacing expansion module extends control system
Analog interface, facilitate user to connect the equipment such as PLC with radio-frequency power supply, refrigerating module makes system keep suitable work temperature
Degree.
2., the radio-frequency power supply control system with first voltage conversion module and second voltage conversion module
It is further used as preferred embodiment, as shown in Fig. 2, the utility model radio-frequency power supply control system further includes
One voltage transformation module and second voltage conversion module, the first voltage conversion module are used for the voltage for providing power module
Convert and used to radio-frequency power detection module, the second voltage conversion module be used for voltage that power module is provided convert to
Interfacing expansion module uses.Since radio-frequency power detection module is by the forward power and reflected power signal in radio-frequency power supply circuit
It detected and amplify, so that first voltage is arranged in order to guarantee the detection accuracy of radio-frequency power detection module in controller processing
Conversion module provides stable operating voltage for radio-frequency power detection module, at this point, first voltage conversion module is from power module
Middle acquisition power supply, radio-frequency power detection module connect with first voltage conversion module, obtain work from first voltage conversion module
Make voltage, operating voltage is no longer directly obtained from power module.Since the working frequency of radio-frequency power supply is higher, to avoid connecing
External equipment on interfacing expansion module is arranged second voltage conversion module as interfacing expansion module and provides work by High-frequency Interference
Make voltage, so that its operating voltage is isolated with the holding of the utility model other parts operating voltage, at this point, second voltage modulus of conversion
Block obtains power supply from power module, and interfacing expansion module connect with second voltage conversion module, from second voltage conversion module
Middle acquisition operating voltage, no longer directly obtains operating voltage from power module.
3., first voltage conversion module
It is further used as preferred embodiment, the circuit diagram of first voltage conversion module is as shown in Figure 3.First voltage turns
Changing the mold block includes the first DC-DC conversion circuit.Preferably, the first DC-DC conversion circuit be+a 15V turn+
5V circuit comprising first capacitor C1, the second capacitor C2, third capacitor C3 and voltage-stablizer, one end of the first capacitor C1,
One end of two capacitor C2 and the input terminal of voltage-stablizer are connect with+the 15V of power module feeder ear, and the one of the third capacitor C3
End is connect with the output end of voltage-stablizer, the other end of the first capacitor C1, the other end of the second capacitor C2, third capacitor C3
The ground terminal of the other end and voltage-stablizer is grounded ,+5V feeder ear of the output end of voltage-stablizer as first voltage conversion module.
The working principle of above-mentioned first voltage conversion module are as follows: first capacitor C1 and the second capacitor C2 constitute input filter
Circuit, voltage-stablizer preferably use 78L05 chip, when input terminal inputs 15V voltage, output end output+5V voltage, and pass through again
Third capacitor C3 filtering is crossed, guarantees the stabilization of output voltage.The circuit structure of first voltage conversion module is simple, and output voltage is steady
It is good to determine effect.
4., second voltage conversion module
It is further used as preferred embodiment, the circuit diagram of second voltage conversion module is as shown in Figure 4.Second voltage turns
Changing the mold block includes the second DC-DC conversion circuit, third DC-DC conversion circuit and oscillating circuit.Fig. 4 describes one
Fig. 4 is divided into tri- partial analysis of A, B, C, Fig. 4 according to the function of each section circuit by a complete second voltage conversion module
A, B, C three parts respectively describe the second DC-DC conversion circuit of the utility model, third DC-DC conversion electricity
Road and oscillating circuit.
It is further used as preferred embodiment, the second DC-DC conversion circuit is that+a 5V turns+5V circuit.
As shown in the part A of Fig. 4, it includes the 4th capacitor C4, the 5th capacitor C5, the 6th capacitor C6, the 7th electricity that the+5V, which turns+5V circuit,
Hold C7, first diode D1, the second diode D2, third diode D3, first resistor R1, the first transformer T1 and first effect
It should pipe FET1；One end of the 4th capacitor C4, one end of the 5th capacitor C5, the cathode of first diode D1, the first transformer
One end of T1 primary side is connect with the output end of voltage-stablizer 7805, the anode of the second diode D2, first resistor R1
One end is connect with the anode of first diode D2, the cathode of the second diode D2, the other end of first resistor R1, first
The other end of transformer T1 primary side is connect with the drain electrode of the first field-effect tube FET1, the first field-effect tube FET1's
The connection of the oscillation output end of grid and oscillating circuit, the Same Name of Ends of one end of the first transformer T1 primary side and the three or two pole
The anode connection of pipe D3, one end of the 6th capacitor C6, one end of the 7th capacitor C7 connect with the cathode of third diode D3
It connects, the other end, the other end of the 5th capacitor C5, the source electrode of the first field-effect tube FET1, the first transformation of the 4th capacitor C4
The different name end of one end of device T1 primary side, the other end of the 6th capacitor C6, the 7th capacitor C7 the other end be grounded, the third
Feeder ear of the cathode of diode D3 as the second DC-DC conversion circuit, output+5V voltage.
Above-mentioned+5V turns the working principle of+5V circuit are as follows: the week of the grid reception oscillator output of the first field-effect tube FET1
Phase pulse signal, the drain electrode of the first field-effect tube FET1 and source electrode form periodical on-off, to make the one of the first transformer T1
Secondary side forms periodic current, and the secondary side induced voltage of the first transformer T1 is filtered by the 6th capacitor C6, the 7th capacitor C7
Required+5V voltage is obtained afterwards.
It is further used as preferred embodiment, the third DC-DC conversion circuit is that+a 15V turns ± 15V electricity
Road.As shown in the part B of Fig. 4 ,+the 15V turn ± 15V circuits include the 8th capacitor C8, the 9th capacitor C9, the tenth capacitor C10,
11st capacitor C11, the 12nd capacitor C12, the 13rd capacitor C13, the 5th diode D5, the 6th diode D6, the eight or two pole
Pipe D8, the 9th diode D9, second resistance R2, the second transformer T2 and the second field-effect tube FET2, the second transformer T2
Secondary winding have centre cap；One end of the 8th capacitor C8, one end of the 9th capacitor C9, the 5th diode D5 it is negative
Pole, the second transformer T2 primary side one end connect with+the 15V of power module feeder ear, the 6th diode D6 is just
Pole, second resistance R2 one end with the 5th diode D5 anode connect, the cathode of the 6th diode D6, second resistance
The other end of R2, is connect with the drain electrode of the second field-effect tube FET2, described second the other end of the second transformer T2 primary side
The oscillation output end of the grid of field-effect tube FET2 and oscillating circuit connects, one end of the second transformer T2 primary side it is same
The positive of name end and the 9th diode D9 connect, one end of the 12nd capacitor C12, the 13rd capacitor C13 one end with
The cathode of 9th diode D9 connects, the different name end of one end of the second transformer T2 primary side and bearing for the 9th diode D9
Pole connection, the tenth capacitor C10, the 11st capacitor C11 one end with the 9th diode D9 anode connect, the described 8th
The other end of capacitor C8, the other end of the 9th capacitor C9, the source electrode of the second field-effect tube FET2, the tenth capacitor C10 the other end,
The other end of 11st capacitor C11, the other end of the 12nd capacitor C12, the 13rd capacitor C13 the other end, the second transformer
The centre cap of T2 secondary winding is grounded, and the cathode of the 9th diode D9 is as third DC-DC conversion circuit
First feeder ear, the voltage of output+15V, the anode of the 9th diode D9 as third DC-DC conversion circuit
Two feeder ears, the voltage of output -15V.
Above-mentioned+15V turns the working principle of ± 15V circuit are as follows: the grid reception oscillator of the second field-effect tube FET2 exports
Periodic pulse signal, the drain electrode of the second field-effect tube FET2 and source electrode form periodical on-off, to make the second transformer T2
Primary side formed periodic current, the secondary side induced voltage of the second transformer T2, due to the second transformer T2 center take out
Head ground connection, two output ends of secondary side of the second transformer T2 output+15V and -15V voltage respectively.
It is further used as preferred embodiment, as shown in the C portion of Fig. 4, the oscillating circuit includes the 14th capacitor
C14, the 15th capacitor C15, the 16th capacitor C16, the tenth diode D10, the 11st diode D11,3rd resistor R3, the 4th
Resistance R4, the 5th resistance R5, the 6th resistance R6, the first triode Q1 and timer chip, when timer chip it is preferable to use
When 7555 chip, the first to the 8th pin of timer chip is the end Gnd of 7555 chips, the end Trigger, OutPut respectively
End, the end Reset, the end CTL V, the end Hold, the end DisC, vdd terminal.One end of the 3rd resistor R3, timer chip 7555
Vdd terminal, one end of the 15th capacitor C15, the end Reset of timer chip, the first triode Q1 collector with power supply mould
+ 15V the feeder ear of block connects, the other end of the 3rd resistor R3, the anode of the tenth diode D10, the 4th resistance R4 one
End is connect with the end DisC of timer chip, the cathode of the tenth diode D10, the other end of the 4th resistance R4, the tenth
One end of four capacitor C14, the end Trigger of timer chip are connect with the end Hold of timer chip, the 16th electricity
The end CTL V of one end and timer chip for holding C16 connects, the base stage of the first triode Q1, the 11st diode D10
Cathode is connect with the end OutPut of timer chip, and the emitter of the first triode Q1, the 11st diode D10 are just
It is extremely connect with one end of the 5th resistance R5, oscillation output end of the other end of the 5th resistance R5 as oscillating circuit, institute
The one end for stating the 6th resistance R6 is connect with the other end of the 5th resistance R5, the other end of the 14th capacitor C14, the 15th electricity
Hold the other end of C15, the other end of the 16th capacitor C16, the end Gnd of timer chip, the 6th resistance R6 the other end connect
Ground.
The working principle of above-mentioned oscillating circuit is: it is preferable to use 7555 timer chips, 7555 timings for timer chip
Device chip constitutes Schmidt trigger, the end the OutPut output rectangular pulse letter of 7555 timer chips after connecting peripheral circuit
Number, vibration needed for rectangular pulse signal turns+5V circuit and+15V turns of ± 15V circuits as+5V after the first triode Q1 amplification
Swing source.
Turn+5V circuits and+15V by above-mentioned+5V and turn ± 15V circuits, second voltage conversion module is to interfacing expansion module
Operating voltage is provided and avoids radio-frequency power supply so that interfacing expansion module does not directly obtain operating voltage from power module
High-frequency Interference improves the job stability of interfacing expansion module.
6., radio-frequency power detection module
It is further used as preferred embodiment, the circuit diagram of radio-frequency power detection module is as shown in Figure 5.Radio-frequency power inspection
Surveying module includes RF power sensing circuit, forward power amplifying circuit and reflection power amplifying circuit.Fig. 5 describes one
Fig. 5 is divided into tri- partial analysis of A, B, C according to the function of each section circuit by complete radio-frequency power detection module, Fig. 5's
A, B, C three parts respectively describe the RF power sensing circuit of the utility model, forward power amplifying circuit and reflection power
Amplifying circuit.
It is further used as preferred embodiment, since radio-frequency power supply usually utilizes coaxial cable to transmit radio-frequency current, because
When the RF power sensing circuit of this utility model detects the radio-frequency power of radio-frequency power supply, interlock circuit is connect to be measured
Coaxial cable BNC connector on, it is preferable that described measured signal one end in the present embodiment be specially BNC to be measured connect
The outer conductor of head, the measured signal other end is specially the inner core of BNC connector to be measured.As shown in the part A of Fig. 5, institute
Stating RF power sensing circuit includes the 17th capacitor C17, the 18th capacitor C18, the 19th capacitor C19, the 20th capacitor
C20, the 21st capacitor C21, the 22nd capacitor C22, the 23rd capacitor C23, the 24th capacitor C24, the 25th
Capacitor C25, the first tunable capacitor VC, the 12nd diode D12, the 13rd diode D13, the 7th resistance R7, the 8th resistance R8,
9th resistance R9, the tenth resistance R10, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13, the 14th resistance
R14, the 15th resistance R15, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, the 19th resistance R19,
20 resistance R20, the secondary winding of third transformer T3, the third transformer T3 are electric with centre cap, the described 17th
One end of one end, third transformer T3 primary side for holding C17 is connect with the outer conductor of BNC connector to be measured, the 7th electricity
Hinder one end of R7, one end of the 8th resistance R8, one end of the 18th capacitor C18, one end of the 19th capacitor C19, first adjustable
One end of capacitor VC is connect with the other end of the 17th capacitor C17, one end of the 22nd capacitor C22, the 23rd
One end of capacitor C23 is connect with the other end of the 8th resistance R8, the other end of the 22nd capacitor C22 and the 13rd electricity
Hinder one end connection of R13, the other end of the thirteenth resistor R13, the 14th resistance R14 one end with the 12nd diode
The cathode of D12 connects, the anode of the 12nd diode D12, the tenth resistance R10 one end with the 24th capacitor C24
One end connection, the other end of the tenth resistance R10, the 20th capacitor C20 one end connect with one end of the 9th resistance R9
It connects, the other end of the 9th resistance R9 is connect with the input terminal of reflection power amplifying circuit, the 23rd capacitor C23's
The other end is connect with one end of the 15th resistance R15, one end of the other end of the 15th resistance R15, the 16th resistance R16
It is connect with the cathode of the 13rd diode D13, one end of the anode of the 13rd diode D13, the 25th capacitor C25
It is connect with one end of twelfth resistor R12, the other end of the twelfth resistor R12, one end of the 21st capacitor C21 are equal
It is connect with one end of eleventh resistor R11, the other end of the eleventh resistor R11 and the input terminal of forward power amplifying circuit
Connection, the other end of the 16th resistance R16, one end of the 17th resistance R17, the 18th resistance R18 one end with the
The different name end of one end of three transformer T3 primary sides connects, the other end of the 14th resistance R14, the 19th resistance R19
One end, the 20th resistance R20 one end connect with the Same Name of Ends of one end of third transformer T3 primary side, the third transformation
The other end of device T3 primary side connect with the inner core of BNC connector to be measured, the outer conductor of the BNC connector, the 7th resistance R7
The other end, the other end of the 18th capacitor C18, the other end of the 19th capacitor C19, the other end of the first tunable capacitor VC,
The other end of 20 capacitor C20, the other end of the 21st capacitor C21, the other end of the 24th capacitor C24, the 25th
The other end of capacitor C25, the other end of the 17th resistance R17, the other end of the 18th resistance R18, the 19th resistance R19 it is another
One end, the other end of the 20th resistance R20, third transformer T3 secondary winding centre cap be grounded.
The working principle of above-mentioned RF power sensing circuit are as follows: C17, T3 obtain to be measured from the BNC connector of coaxial cable
Rf power signal, and rf power signal is separated into forward power signal and reflected power signal, forward power signal from
The other end of eleventh resistor R11 exports, and reflected power signal is exported from the other end of the 9th resistance R9.Radio-frequency power detection electricity
Line structure is simple, detection accuracy is high, the forward power signal and reflected power signal that can be accurately detected in circuit-under-test.
It is further used as preferred embodiment, as shown in the part B of Fig. 5, the forward power amplifying circuit includes the
26 capacitor C26, the 27th capacitor C27, the 28th capacitor C28, the 29th capacitor C29, the 21st resistance
R21, the 22nd resistance R22, the 23rd resistance R23, the 24th resistance R24, the 25th resistance R25, the 26th
One end of resistance R26 and the first operational amplifier AMPA, the 23rd resistance R23, the 25th resistance R25 one end,
One end of 26th resistance R26 is connect with+5V the feeder ear of first voltage conversion module, the 22nd resistance R22
One end, one end of the 24th resistance R24, the 26th capacitor C26 the other end of the one end with the 26th resistance R26
Connection, input terminal of the other end of the 26th resistance R26 as forward power amplifying circuit, the 25th resistance
The other end of R25, the 29th capacitor C29 one end connect with the non-inverting input terminal of the first operational amplifier AMPA, it is described
Anti-phase input of the one end with the first operational amplifier AMPA of the other end of 24th resistance R24, the 28th capacitor C28
End connection, the other end of the 23rd resistance R23, the 27th capacitor C27 one end with the first operational amplifier
The positive power source terminal of AMPA connects, and the output end of the first operational amplifier AMPA is connect with one end of the 21st resistance R21,
The other end, the other end of the 22nd resistance R22 of the 21st resistance R21 is another with the 26th capacitor C26
End connection, output end of the other end of the 26th capacitor C26 as forward power amplifying circuit, the 26th capacitor
The other end of C26 and the I/O interface of controller connect.
The working principle of above-mentioned forward power amplifying circuit are as follows: the first operational amplifier AMPA preferably uses MCP6002 core
Piece forms amplifying circuit with peripheral cell, and the forward power signal of forward power amplifying circuit from RF power sensing circuit is defeated
Outlet, the i.e. other end of eleventh resistor R11 obtain forward power signal and are amplified, believed by amplified forward power
Number the I/O interface of controller is output to for controller processing from the other end of the 21st resistance R21.Forward power amplifying circuit
Structure is simple, amplifying power is strong, signal-to-noise ratio is high, the forward power signal that RF power sensing circuit can be detected amplify to
Controller is handled.
It is further used as preferred embodiment, as shown in the C portion of Fig. 5, the reflection power amplifying circuit includes the
30 capacitor C30, the 31st capacitor C31, the 14th diode D14, the 27th resistance R27, the 28th resistance R28,
29th resistance R29, the 30th resistance R30, second operational amplifier AMPB, one end of the 30th resistance R30 and the
+ 5V the feeder ear of one voltage transformation module connects, and the other end of the 29th capacitor C29, the 14th diode D14 are just
It is extremely connect with the non-inverting input terminal of second operational amplifier AMPB, one end of the 29th resistance R29, the 28th electricity
One end of one end, the 30th capacitor C30 for hindering R28 is connect with the other end of the 30th resistance R30, the 30th resistance
Input terminal of the other end of R30 as reflection power amplifying circuit, the other end of the 29th resistance R29, the 31st
One end of capacitor C31 is connect with the inverting input terminal of second operational amplifier AMPB, the second operational amplifier AMPB's
Output end is connect with one end of the 27th resistance R27, the other end of the 28th resistance R28, the 30th capacitor C30
The other end is connect with the other end of the 27th resistance R27, and the other end of the 27th resistance R27 is as reflection power
The output end of amplifying circuit, the other end of the 31st capacitor C31, the cathode of the 14th diode D14 are grounded.
The working principle of above-mentioned reflection power amplifying circuit are as follows: second operational amplifier AMPB preferably uses MCP6002 core
Piece forms amplifying circuit with peripheral cell, and the reflected power signal of reflection power amplifying circuit from RF power sensing circuit is defeated
Outlet, i.e. the other end of the 9th resistance R9 obtains reflected power signal and is amplified, by amplified reflected power signal
The I/O interface of controller is output to for controller processing from the other end of the 27th resistance R27.Reflection power amplifying circuit knot
Structure is simple, amplifying power is strong, signal-to-noise ratio is high, and the reflected power signal that RF power sensing circuit can be detected is amplified to control
Device processed is handled.
7., operation panel module
It is further used as preferred embodiment, the circuit diagram of operation panel module is as shown in Figure 6.Operation panel module packet
It includes the first key KEY1 for exiting, the third key KEY3 for the second determining key KEY2, for entering menu, use
In the 4th key KEY4 of unlatching radio-frequency power, the 5th key KEY5 for closing radio-frequency power, for increasing tuning capacitance
The 6th key KEY6, the 7th key KEY7 for reducing tuning capacitance, the 8th key KEY8 for increasing load capacitance,
For reducing the 9th key KEY9 of load capacitance, the encoder Encoder for adjusting radio-frequency power, being used to indicate normally
First LED, the 2nd LED, the 32nd capacitor C32, the 33rd capacitor C33, the 34th capacitor for being used to indicate alarm
C34, the 35th capacitor C35, the 36th capacitor C36, the 37th capacitor C37, the 38th capacitor C38, the 39th
Capacitor C39, the 40th capacitor C40, the 41st capacitor C41, the 42nd capacitor C42, the 43rd capacitor C43, the 30th
One resistance R31, the 32nd resistance R32, the 33rd resistance R33, the 34th resistance R34, the 35th resistance R35,
36 resistance R36, the 37th resistance R37, the 38th resistance R38, the 39th resistance R39, the 40th resistance R40,
41st resistance R41, it is preferable that the first pin, second pin, third pin, the 4th pin, the 5th pin point of encoder
Not Wei encoder Encoder the end A, the end B, C-terminal, the end S1, the end S2.The controller by I/O interface respectively with the first key
One end of KEY1, one end of the second key KEY2, one end of third key KEY3, one end of the 4th key KEY4, the 31st
One end of resistance R31, one end of the 32nd resistance R32, the end A of encoder Encoder, encoder Encoder the end B connect
Connect, the controller by same I/O interface simultaneously with one end of the 37th capacitor C37, the 33rd resistance R33 one
End, one end of the 34th resistance R34, one end of the 35th resistance R35, one end of the 36th resistance R36, the 37th
One end connection of one end of resistance R37, the 38th resistance R38, one end of the 32nd capacitor C32 and the first key
One end of KEY1 connects, and one end of the 33rd capacitor C33 is connect with one end of the second key KEY2, and the described 34th
One end of capacitor C34 is connect with one end of third key KEY3, one end of the 35th capacitor C35 and the 4th key KEY4
One end connection, one end of the 36th capacitor C36 connect with one end of the 5th key KEY5, the 31st resistance
The other end of R31 is connect with the cathode of the first LED, and the other end of the 32nd resistance R32 and the cathode of the 2nd LED connect
It connects, the other end of the 34th resistance R34 is connect with one end of the 6th key KEY6, the 35th resistance R35's
The other end is connect with one end of the 7th key KEY7, and the one of the other end of the 36th resistance R36 and the 8th key KEY8
End connection, the other end of the 37th resistance R37 are connect with one end of the 9th key KEY9, the 38th resistance
The other end of R38, the 41st resistance R41 one end connect with the end S2 of encoder Encoder, the 42nd capacitor
One end of C42, the 43rd capacitor C43 one end connect with the other end of the 41st resistance R41, the 40th resistance
One end of R40 is connect with the end B of encoder Encoder, one end of the 40th capacitor C40, the 41st capacitor C41 one
End is connect with the other end of the 40th resistance R40, one end of the 39th resistance R39 and the end A of encoder Encoder
Connection, one end, one end of the 39th capacitor C39 of the 38th capacitor C38 are another with the 39th resistance R39
End connection, the anode of the first LED, the anode of the 2nd LED, the other end of the 6th key KEY6, the 7th key KEY7 it is another
One end, the other end of the 8th key KEY8, the other end of the 9th key KEY9, the end S1 of encoder Encoder are both connected to electricity
On+5V the feeder ear of source module, the other end, the other end of the 33rd capacitor C33, third of the 32nd capacitor C32
The other end of 14 capacitor C34, the other end of the 35th capacitor C35, the other end of the 36th capacitor C36, the 37th
The other end of capacitor C37, the other end of the 33rd resistance R33, the 38th capacitor C38 the other end, the 39th capacitor
The other end of C39, the other end of the 40th capacitor C40, the other end of the 41st capacitor C41, the 42nd capacitor C42 it is another
One end, the other end of the 43rd capacitor C43, encoder Encoder C-terminal be grounded.
The working principle of aforesaid operations panel module are as follows: the first key KEY1 realization controller operating system exits function
Can, the second key KEY2 realizes the determination function of controller operating system, and third key KEY3 realizes controller operating system
Into menu function, the 4th key KEY4 order radio-frequency power supply emits radio-frequency power, and the 5th key KEY5 order radio-frequency power supply closes
Transmitting radio-frequency power is closed, the 6th key KEY6 increases the tuning capacitance of radio-frequency power supply, and the 7th key KEY7 reduces radio-frequency power supply
Tuning capacitance, the 8th key KEY8 increase the load capacitance of radio-frequency power supply, and the 9th key KEY9 reduces the load electricity of radio-frequency power supply
Hold, the normal operating conditions of the first LED indication radio-frequency power system, the alarm state of the second LED indication radio-frequency power system, compiles
Mechanical adjustment is converted to digital coding by code device Encoder, and controller reads the output work of control radio-frequency power supply after digital coding
Rate, to complete adjustment of the user to the output power of radio-frequency power supply.6th key KEY6, the 7th key KEY7, the 8th key
An I/O interface of KEY8, the 9th key KEY9 shared control unit, distinguish key by key level.Preferably R33
=510 Ω, R34=1k Ω, R35=2k Ω, R36=4k Ω, R37=8k Ω, therefore the input when each key is pressed respectively
It is respectively UKEY6=5V*1k/ (1k+510)=3.31V, UKEY7=5V*2k/ (2k+ to the level in I/O mouthfuls of controller
510)=3.98V, UKEY8=5V*4k/ (4k+510)=4.43V, UKEY9=5V*8k/ (8k+510)=4.70V, controller
Detecting this I/O interface level can determine whether which specific key is pressed.
Operation panel modular circuit is simple, is easy to extend, is feature-rich.By aforesaid operations panel module, user can be with
Instruction control unit is using the menu function of radio-frequency power supply, control transmitting or stops transmitting radio-frequency power and watt level, tune
The tuning capacitance and load capacitance of whole radio-frequency power supply, controller can be worked by LED light to user feedback radio-frequency power supply
Situation.
8., LCD MODULE
Be further used as preferred embodiment, LCD display it is preferable to use CH19264B liquid crystal display, built in
The middle character type of 8192 16 × 16 dot matrix, the letter character type of 126 16 × 8 dot matrix, 64 × 256 drawing area, by electricity
, it can be achieved that Chinese, letter, pattern are shown simultaneously after source module is powered, is connect with the data-interface of controller, display controller hair
The radio-frequency power supply current operating state information sent.
When utility model works, existing algorithm is can be used to realize in the collaborative work between each module.Such as it will
Technical application disclosed in the patent document of Publication No. CN202177664U in the present invention, is controlled cold using controller
But module；The technology with reference to disclosed in the patent document of Publication No. CN102539111A is obtained from each module using controller
Take detected analog quantity information；With reference to Publication No. CN201120422278X, CN103230910A and CN205196065U
Patent document disclosed in technology, to carry out power monitoring.
It is to be illustrated to the preferable implementation of the utility model, but the utility model creation is not limited to institute above
State embodiment, those skilled in the art can also make various etc. without departing from the spirit of the present invention
With deformation or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of radio-frequency power supply control system, it is characterised in that:
It includes controller, radio-frequency power detection module, radio frequency powered module, operation panel module, LCD MODULE, matching
Device communication module, interfacing expansion module, temperature detecting module, refrigerating module and power module；
The controller respectively with power module, radio-frequency power detection module, radio frequency powered module, operation panel module, liquid crystal
Display module, adaptation communication module, interfacing expansion module, temperature detecting module are connected with refrigerating module.
2. a kind of radio-frequency power supply control system according to claim 1, it is characterised in that: it further includes first voltage conversion
Module and second voltage conversion module, the first voltage conversion module connect with power module and radio-frequency power detection module respectively
It connects, the second voltage conversion module is connect with power module and interfacing expansion module respectively.
3. a kind of radio-frequency power supply control system according to claim 2, it is characterised in that: the first voltage conversion module
Including the first DC-DC conversion circuit, the first DC-DC conversion circuit respectively with power module and radio-frequency power
Detection module connection.
4. a kind of radio-frequency power supply control system according to claim 2, it is characterised in that: the second voltage conversion module
Including the second DC-DC conversion circuit, third DC-DC conversion circuit and oscillating circuit；Second DC-DC turns
Circuit is changed to connect with power module and interfacing expansion module respectively；The third DC-DC conversion circuit respectively with power supply mould
Block is connected with interfacing expansion module；The oscillating circuit turns with the second DC-DC conversion circuit, third DC-DC respectively
Circuit is changed to connect with power module.
5. a kind of radio-frequency power supply control system according to claim 4, it is characterised in that:
The second DC-DC conversion circuit includes the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the one or two pole
Pipe, the second diode, third diode, first resistor, the first transformer and the first field-effect tube；The one of 4th capacitor
End, one end of the 5th capacitor, the cathode of first diode, the first transformer primary side one end connection after with power module connect
It connects, the anode of second diode, one end of first resistor are connect with the anode of first diode, second diode
Cathode, the other end of first resistor, the other end of the first transformer primary side connect with the drain electrode of the first field-effect tube, institute
The grid for stating the first field-effect tube is connect with oscillating circuit, the Same Name of Ends and the three or two of one end of the first transformer primary side
The anode connection of pole pipe, one end of the 6th capacitor, one end of the 7th capacitor are connect with the cathode of third diode, described
One end of the other end of 4th capacitor, the other end of the 5th capacitor, the source electrode of the first field-effect tube, the first transformer primary side
Different name end, the other end of the 6th capacitor, the 7th capacitor the other end be grounded；
The third DC-DC conversion circuit includes the 8th capacitor, the 9th capacitor, the tenth capacitor, the 11st capacitor, the 12nd
Capacitor, the 13rd capacitor, the 5th diode, the 6th diode, the 8th diode, the 9th diode, second resistance, the second transformation
The secondary winding of device and the second field-effect tube, second transformer has centre cap；One end of 8th capacitor, the 9th
One end of capacitor, the cathode of the 5th diode, the second transformer primary side one end connect with power module, the described 6th 2
The anode of pole pipe, one end of second resistance are connect with the anode of the 5th diode, the cathode of the 6th diode, the second electricity
The other end of resistance, the second transformer primary side the other end connect with the drain electrode of the second field-effect tube, second field-effect
The grid of pipe is connect with oscillating circuit, and the Same Name of Ends of one end of the second transformer primary side and the anode of the 9th diode connect
It connects, one end of the 12nd capacitor, one end of the 13rd capacitor are connect with the cathode of the 9th diode, second transformation
The different name end of one end of device primary side is connect with the cathode of the 9th diode, and the tenth capacitor, one end of the 11st capacitor are equal
With the 9th diode anode connect, the other end of the 8th capacitor, the other end of the 9th capacitor, the second field-effect tube source
Pole, the other end of the tenth capacitor, the other end of the 11st capacitor, the other end of the 12nd capacitor, the 13rd capacitor the other end,
The centre cap of second transformer secondary winding is grounded.
6. according to a kind of described in any item radio-frequency power supply control systems of claim 2-5, it is characterised in that: the radio-frequency power
Detection module includes RF power sensing circuit, forward power amplifying circuit and reflection power amplifying circuit；The radio-frequency power
Detection circuit is connect with forward power amplifying circuit, reflection power amplifying circuit respectively；The forward power amplifying circuit difference
It is connect with power module and controller；The reflection power amplifying circuit is connect with power module and controller respectively.
7. a kind of radio-frequency power supply control system according to claim 6, it is characterised in that: the RF power sensing circuit
Including the 17th capacitor, the 18th capacitor, the 19th capacitor, the 20th capacitor, the 21st capacitor, the 22nd capacitor,
23 capacitors, the 24th capacitor, the 25th capacitor, the first tunable capacitor, the 12nd diode, the 13rd diode,
7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, eleventh resistor, twelfth resistor, thirteenth resistor, the 14th electricity
Resistance, the 15th resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 19th resistance, the 20th resistance, third transformation
The secondary winding of device, the third transformer has centre cap, one end of the 17th capacitor, third transformer primary side
One end connect with measured signal one end, one end of the 7th resistance, one end of the 8th resistance, the 18th capacitor one
End, one end of the 19th capacitor, the first tunable capacitor one end connect with the other end of the 17th capacitor, the described 22nd
One end of capacitor, the 23rd capacitor one end connect with the other end of the 8th resistance, the 22nd capacitor it is another
End is connect with one end of thirteenth resistor, the other end of the thirteenth resistor, the 14th resistance one end with the 12nd
The cathode of pole pipe connects, and the anode of the 12nd diode, one end of the tenth resistance connect with one end of the 24th capacitor
It connects, the other end of the tenth resistance, one end of the 20th capacitor are connect with one end of the 9th resistance, the 9th resistance
The other end is connect with reflection power amplifying circuit, and the other end of the 23rd capacitor is connect with one end of the 15th resistance,
The other end of 15th resistance, one end of the 16th resistance are connect with the cathode of the 13rd diode, and the described 13rd
The anode of diode, the 25th capacitor one end connect with one end of twelfth resistor, the twelfth resistor it is another
It holds, one end of the 21st capacitor is connect with one end of eleventh resistor, the other end of the eleventh resistor and positive function
The connection of rate amplifying circuit, the other end of the 16th resistance, one end of the 17th resistance, the 18th resistance one end with the
The different name end of one end of three transformer primary sides connects, the other end of the 14th resistance, one end of the 19th resistance, second
One end of ten resistance is connect with the Same Name of Ends of one end of third transformer primary side, the third transformer primary side it is another
End connect with the measured signal other end, described measured signal one end, the other end of the 7th resistance, the 18th capacitor the other end,
The other end of 19th capacitor, the other end of the first tunable capacitor, the other end of the 20th capacitor, the 21st capacitor it is another
End, the other end of the 24th capacitor, the other end of the 25th capacitor, the other end of the 17th resistance, the 18th resistance
The other end, the other end of the 19th resistance, the other end of the 20th resistance, third transformer secondary winding centre cap connect
Ground.
8. a kind of radio-frequency power supply control system according to claim 6, it is characterised in that: the forward power amplifying circuit
Including the 26th capacitor, the 27th capacitor, the 28th capacitor, the 29th capacitor, the 21st resistance, the 22nd
Resistance, the 23rd resistance, the 24th resistance, the 25th resistance, the 26th resistance and the first operational amplifier, it is described
One end of 23rd resistance, one end of the 25th resistance, the 26th resistance one end with first voltage conversion module
Connection, one end of the 22nd resistance, one end of the 24th resistance, the 26th capacitor one end with the 26th
The other end of resistance connects, and the other end of the 26th resistance is connect with RF power sensing circuit, and the described 25th
The other end of resistance, the 29th capacitor one end connect with the non-inverting input terminal of the first operational amplifier, the described 20th
The other end of four resistance, the 28th capacitor one end connect with the inverting input terminal of the first operational amplifier, described second
The other end of 13 resistance, the 27th capacitor one end connect with the positive power source terminal of the first operational amplifier, described first
The output end of operational amplifier is connect with one end of the 21st resistance, the other end of the 21st resistance, the 22nd
The other end of resistance is connect with the other end of the 26th capacitor, and the other end and controller of the 26th capacitor connect
It connects.
9. a kind of radio-frequency power supply control system according to claim 6, it is characterised in that: the reflection power amplifying circuit
Including the 30th capacitor, the 31st capacitor, the 14th diode, the 27th resistance, the 28th resistance, the 29th electricity
Resistance, the 30th resistance, second operational amplifier, one end of the 30th resistance is connect with first voltage conversion module, described
The other end of 29th capacitor, the anode of the 14th diode are connect with the non-inverting input terminal of second operational amplifier, institute
One end, one end of the 30th capacitor of one end, the 28th resistance for stating the 29th resistance are another with the 30th resistance
End connection, the other end of the 30th resistance are connect with RF power sensing circuit, the other end of the 29th resistance,
One end of 31st capacitor is connect with the inverting input terminal of second operational amplifier, the output of the second operational amplifier
End is connect with one end of the 27th resistance, the other end of the 28th resistance, the 30th capacitor the other end with the
The other end of 27 resistance connects, and the other end of the 31st capacitor, the cathode of the 14th diode are grounded, described
The other end of 27th resistance is connect with controller.
10. a kind of radio-frequency power supply control system according to claim 1-5, it is characterised in that: the operating surface
Plate module includes at least one key and/or at least one LED light and/or at least one encoder, it is described at least one
Key and/or at least one LED light and/or at least one encoder are connect with controller and power module respectively.
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| CN201820706337.8U CN208190529U (en) | 2018-05-11 | 2018-05-11 | A kind of radio-frequency power supply control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947153A (en) * | 2020-12-16 | 2021-06-11 | 苏州汉霄等离子体科技有限公司 | Radio frequency power supply control method and device, storage medium and electronic equipment |
| CN114699289A (en) * | 2022-04-13 | 2022-07-05 | 海南元视明科技有限公司 | Low-frequency electromagnetic wave generator for rehabilitation training equipment for correcting eyesight |
-
2018
- 2018-05-11 CN CN201820706337.8U patent/CN208190529U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112947153A (en) * | 2020-12-16 | 2021-06-11 | 苏州汉霄等离子体科技有限公司 | Radio frequency power supply control method and device, storage medium and electronic equipment |
| CN114699289A (en) * | 2022-04-13 | 2022-07-05 | 海南元视明科技有限公司 | Low-frequency electromagnetic wave generator for rehabilitation training equipment for correcting eyesight |
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