CN108880251A - The power-supply system of circuit is adjusted with output characteristics - Google Patents
The power-supply system of circuit is adjusted with output characteristics Download PDFInfo
- Publication number
- CN108880251A CN108880251A CN201810719338.0A CN201810719338A CN108880251A CN 108880251 A CN108880251 A CN 108880251A CN 201810719338 A CN201810719338 A CN 201810719338A CN 108880251 A CN108880251 A CN 108880251A
- Authority
- CN
- China
- Prior art keywords
- reactance
- power
- supply system
- conductive path
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
Abstract
The present invention provides a kind of power-supply systems, circuit is adjusted including power supply and output characteristics, the power supply is adapted to load, the output characteristics adjusts circuit and has a first end and a second end, the first end is connected to the connection path between the power supply and the load, the second end is connected to reference mode, wherein output characteristics adjusting circuit includes:Regulative reactance component;Reactance adjusts unit, suitable for changing the reactance value of the regulative reactance component according to control signal dynamics.The present invention can export the output characteristics of pulse by adjusting, and power supply is made to have broader output power section.
Description
Technical field
The invention mainly relates to power-supply system more particularly to a kind of power-supply systems that circuit is adjusted with output characteristics.
Background technique
Use the microwave system of magnetron as a kind of power source, is widely used in radiotherapy accelerator, industrial irradiation accelerates
In the systems such as device and radar.
Existing microwave magnetron system is the operating voltage and electric current by changing high voltage power supply, makes to export microwave power
Change in a smaller range.Such as the magnetron of a peak power 3MW, its usual output power adjustable extent is about
For 1MW, i.e. power interval is 2MW~3MW.When wish to continue to adjust voltage and current, when keeping its output power adjustable extent wider,
Magnetron output power can be caused unstable since high voltage power supply output pulse climbing speed is too low or excessively high.
In addition to microwave magnetron system, klystron or electron tube have certain want to the voltage increase rate of high voltage power supply
It asks, conventional high-pressure power supply is often unable to satisfy its demand, and improves climbing speed by change power source internal structure and need to pay
Higher cost out.Klystron and electron tube usually have different several operating points simultaneously, and high voltage power supply can not also meet more simultaneously
The climbing speed requirement of a operating point.
Accordingly, it is desirable to provide a kind of improved power-supply system, can provide controllable output characteristics.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of power supplys that circuit is adjusted with output characteristics, can pass through tune
The output characteristics of section output pulse, makes power supply have broader output power section.
In order to solve the above technical problems, the present invention provides a kind of power-supply system, including power supply and output characteristics adjust electricity
Road, the power supply are adapted to load, and the output characteristics adjusts circuit and has a first end and a second end, the first end connection
To the connection path between the power supply and the load, the second end is connected to reference mode, wherein the output
Characteristic adjustment circuit includes:Regulative reactance component;Reactance adjusts unit, described adjustable suitable for being changed according to control signal dynamics
The reactance value of reactance component.
In one embodiment of this invention, the regulative reactance component is reactance array, has multiple reactance components, wherein
At least partly reactance component in the multiple reactance component is connected to the first end and by the conductive path controlled
Between two ends;It is switch unit that the reactance, which adjusts unit, is switched on or off described lead according to a control signal-selectivity
Power path, to change the whole reactance of the reactance array.
In one embodiment of this invention, the reactance array has multiple reactance arms in parallel, the multiple reactance
At least one reactance arm in branch is connected between the first end and second end by the corresponding conductive path.
In one embodiment of this invention, at least one reactance arm in the multiple reactance arm includes concatenated more
A reactance component.
In one embodiment of this invention, the reactance component is resistive element, capacity cell or inductance element.
In one embodiment of this invention, the switch unit includes the switch in the conductive path.
In one embodiment of this invention, power-supply system further includes control unit, provides the control signal.
In one embodiment of this invention, power-supply system further includes detection unit, is connected to the conductive path, and detect
The connection status of the conductive path.
In one embodiment of this invention, power-supply system further includes:Control unit provides the control signal;Detection is single
Member is connected to the conductive path, and detects the connection status of the conductive path, and it is single that described control unit receives the detection
The detection signal of member.
In one embodiment of this invention, the regulative reactance component includes one or more adjustable reactive elements;It is described
Reactance adjusts the reactance that unit changes one or more of adjustable reactive elements according to a control signal, thus can described in changing
Adjust the whole reactance of reactance component.
In one embodiment of this invention, described control unit is configured to generate the control signal according to input signal,
The input signal includes the voltage and or current of the power supply.
In one embodiment of this invention, described control unit is according to the determination of the voltage and or current of the power supply
The reactance of regulative reactance component, to generate the control signal.
In one embodiment of this invention, in described control unit a preset power supply voltage and or current, adjustable electric
The mapping table of the reactance of anti-component includes multiple groups corresponding relationship in the mapping table.
In one embodiment of this invention, the load is magnetron, klystron or electron tube.
Compared with prior art, the entirety that the present invention can adjust the regulative reactance component of circuit by changing output characteristics
Reactance value, to make power supply and load in different matching status.In this way, the output power of power supply can cover it is broader
Section.
Detailed description of the invention
Fig. 1 is the electrical schematic diagram of the microwave magnetron system of first embodiment of the invention.
Fig. 2 is the electrical schematic diagram of the microwave magnetron system of second embodiment of the invention.
Fig. 3 is the electrical schematic diagram of the microwave magnetron system of third embodiment of the invention.
Fig. 4 is that the output characteristics of first embodiment of the invention adjusts the circuit diagram of circuit.
Fig. 5 is that the output characteristics of second embodiment of the invention adjusts the circuit diagram of circuit.
Fig. 6 is that the output characteristics of third embodiment of the invention adjusts the circuit diagram of circuit.
Fig. 7 is that the output characteristics of fourth embodiment of the invention adjusts the circuit diagram of circuit.
Fig. 8 is the example for adjusting the capacitance of capacity cell in the present invention by circle number.
Specific embodiment
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
It is different from other way described herein using other and implements, therefore the present invention is by the limit of following public specific embodiment
System.
As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one
The words such as kind " and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " includes " only prompts to wrap with "comprising"
Include clearly identify the step of and element, and these steps and element do not constitute one it is exclusive enumerate, method or apparatus
The step of may also including other or element.
It should be understood that when unit or module be described as " connecting ", " coupling " (couple) other units, module or
When block, it can refer to and be directly connected to or couple, perhaps be communicated with other units, module or block or there may be intermediate lists
Member, module or block, unless context clearly indicates other way.Term as used herein "and/or" may include one or more
A correlation lists any and all combinations of project.
Embodiments herein describes power-supply system and its output characteristics adjusts circuit.Power-supply system typically has power supply
Circuit is adjusted with output characteristics, power supply connection load is to provide electric energy.The output characteristics that the embodiment of the present invention is proposed adjusts electricity
Road has a first end and a second end, and first end is connected on the connection path between power supply and load, and second end is connected to
Reference mode (such as ground potential).Output characteristics, which is adjusted in circuit, can have multiple such as resistive element, capacity cell and inductance
The reactance component of element adjusts the reactance or change of one or more reactance components inside circuit by changing output characteristics
The connection relationship of multiple reactance components, output voltage, the electric current of adjustable power supply can make load in different work
Point, to export different power.
In embodiments herein, load can be for magnetron, klystron or electron tube etc., and the following examples will be with
It is described for magnetron.
First embodiment
Fig. 1 is the electrical schematic diagram of the microwave magnetron system of first embodiment of the invention.Refering to what is shown in Fig. 1, the present embodiment
Microwave magnetron system may include that power supply 10, magnetron 20 and output characteristics adjust circuit 30.Power supply 10 and output characteristics tune
Economize on electricity road 30 forms power-supply system.Power supply 10 connects magnetron 20.Power supply 10 is high voltage power supply needed for magnetron, is capable of providing
The voltage of the kV order of magnitude and tens to several hundred A electric current.Output characteristics, which adjusts circuit 30, can have first end N1 and second end N2.
First end N1 is connected on the connection path between power supply 10 and magnetron 20, and second end N2 may be connected to reference mode,
Such as it is grounded.
It may include switch unit 31 and reactance array 32 that output characteristics, which adjusts circuit 30,.Reactance array 32 can have multiple electricity
Anti- element.Here, these reactance components can be resistive element, capacity cell or inductance element.In these reactance components at least
Part reactance component is connected between first end N1 and second end N2 by the conductive path controlled.Switch unit 31 can basis
It is switched on or off to one control signal-selectivity conductive path, to change the whole reactance of reactance array.Here, reactance battle array
The connection type of reactance component in column 32 can be diversified, and e.g. series, parallel or series connection is combined in parallel.
Multiple reactance components in parallel or in series can be similar reactance component (such as resistive element), be also possible to inhomogeneity reactance
Element (such as resistive element and capacity cell).The conductive path controlled in reactance array 32 can be one or more.
It is corresponding with a conductive path to can be a reactance component, it is corresponding with a conductive path to be also possible to multiple reactance components.
Fig. 4 is that the output characteristics of first embodiment of the invention adjusts the circuit diagram of circuit.In the example of fig. 4, electric
Anti- array 32 has multiple reactance arm 321-32n in parallel.These reactance arms 321-32n includes concatenated multiple reactance elements
Part, such as capacity cell C1-Cn and resistive element R1-Rn.Although each reactance arm 321-32n is shown here with similar
It constitutes, it is to be understood that, the type and quantity of reactance component can be different in each reactance arm.In addition, each reactance arm
The reactance value of reactance component can be same or different in 321-32n.These reactance arms 321-32n passes through corresponding lead
Power path is between first end N1 and second end N2.It will be understood, however, that can only have part reactance arm to be equipped with corresponding lead
Power path is to being optionally connected between first end N1 and second end N2, and other reactance arms are then permanently attached to the
Between one end N1 and second end N2.
Hold above-mentioned, each conductive path is made of node Y1-Yn with corresponding node D1-Dn.Switch unit 31 includes being set to
Switch S1-Sn in conductive path.One switch, such as the conductive path of Y1 and D1 composition are set on typically each conductive path
There is switch S1 on diameter, although being not intended as limiting.According to the requirement of voltage, switch herein may be selected to be resistant to high voltage
High-voltage switch gear.Each switch S1-Sn can be on or off by one group of control signal control, to be switched on or off corresponding lead
Power path.Corresponding to this, the reactance component between first end N1 and second end N2 is connected in reactance array to be changed, thus
Change the whole reactance of reactance array.Such as when switch S1 is connected, and switch S2-Sn is turned off, the whole reactance of reactance array
The reactance embodied by reactance arm 321;When switch S1 and S2 are connected, and switch S3-Sn is turned off, the whole electricity of reactance array
Resist the reactance embodied by reactance arm 321 and 322.
The setting of the whole reactance of reactance array can be according to the numerical value for the voltage and or current that desired power supply 10 exports come really
It is fixed.It is as shown in table 1 below 5 groups of typical running parameters of the microwave magnetron system of a set of output characteristics adjusting circuit, every group
Running parameter includes supply voltage, source current, output characteristics adjusts circuit capacitance, output characteristics adjusts circuitous resistance and magnetic control
Pipe output power.
Table 1
In one example, the control letter for being supplied to switch unit 31 can be generated according to electric power output voltage and electric current
Number, determine that output characteristics adjusts the capacitor of circuit 30, resistance value, so that power supply 10 and magnetron 20 be made to be in required matching shape
State.When select different output characteristics adjust the capacitor of circuit 30, resistance value combination when, power supply 10 and magnetron 20 can be made
In different matching status, output power covers the section of 0.6MW to 3.1MW.In addition, in different matching status, magnetic
Keyholed back plate 20 can be stablized on desired output power.Such as in a state, magnetron 20 can be stablized in the defeated of 3.1MW
Out on power, in another state, magnetron 20 can be stablized on the output power of 1.60MW.
The microwave system of magnetron described in the present embodiment can be general for radiotherapy accelerator, industrial irradiation accelerator with
And in the systems such as radar.
Second embodiment
Fig. 2 is the electrical schematic diagram of the microwave magnetron system of second embodiment of the invention.Refering to what is shown in Fig. 2, the present embodiment
Microwave magnetron system may include that power supply 10, magnetron 20 and output characteristics adjust circuit 30a.Power supply 10 and output characteristics tune
The road 30a that economizes on electricity forms power-supply system.Power supply 10 connects magnetron 20.Power supply 10 is high voltage power supply needed for magnetron, Neng Gouti
Voltage for the kV order of magnitude and tens to several hundred A electric current.Output characteristics, which adjusts circuit 30a, can have first end N1 and second end
N2.First end N1 is connected on the connection path between power supply 10 and magnetron 20, and second end N2 may be connected to reference node
Point, such as be grounded.
It may include switch unit 31, reactance array 32 and control unit 33 that output characteristics, which adjusts circuit 30a,.Reactance array 32
There can be multiple reactance components.Here, these reactance components can be resistive element or capacity cell or inductance element.These reactance
At least partly reactance component in element is connected between first end N1 and second end N2 by the conductive path controlled.Control
Unit 33 can generate control signal according to input signal.Switch unit 31 can be switched on or off according to control signal-selectivity
Conductive path, to change the whole reactance of reactance array.Here, the connection type of the reactance component in reactance array 32 can be with
Be it is diversified, e.g. series, parallel or series connection is combined in parallel.Multiple reactance components in parallel or in series can be with
Similar reactance component (such as resistive element) is also possible to inhomogeneity reactance component (such as resistive element and capacity cell).Electricity
The conductive path controlled in anti-array 32 can be one or more.It can be a reactance component and a conductive path
It is corresponding, it is corresponding with a conductive path to be also possible to multiple reactance components.
Fig. 5 is that the output characteristics of second embodiment of the invention adjusts the circuit diagram of circuit.In the example of hgure 5, electric
Anti- array 32 has multiple reactance arm 321-32n in parallel.These details can refer to the description of first embodiment, herein no longer
Expansion.
Hold above-mentioned, each conductive path is made of node Y1-Yn with corresponding node D1-Dn.Switch unit 31 includes being set to
Switch S1-Sn in conductive path.The details of switch unit 31 can refer to the description of first embodiment, not reinflated herein.
The setting of the whole reactance of reactance array can be according to the numerical value for the voltage and or current that desired power supply 10 exports come really
It is fixed.Specific setting can refer to shown in table 1 above.
In one example, control unit 33 can be determined according to including the input signal of electric power output voltage and electric current
The reactance of output characteristics adjusting circuit 30.Accordingly, control unit 33 generates the control signal for being supplied to switch unit 31, by switching
Unit 31 determines that output characteristics adjusts the capacitor of circuit 30, resistance value by the control of conductive path, to make 10 He of power supply
Magnetron 20 is in required matching status.When the combination for the capacitor, resistance value for selecting different output characteristics adjusting circuits 30
When, power supply 10 and magnetron 20 can be made to be in different matching status, output power covers the section of 0.6MW to 3.1MW.Separately
Outside, in different matching status, magnetron 20 can be stablized on desired output power.Such as in a state, magnetic
Keyholed back plate 20 can be stablized on the output power of 3.1MW, and in another state, magnetron 20 can be stablized in the defeated of 1.6MW
Out on power.
3rd embodiment
Fig. 3 is the electrical schematic diagram of the microwave magnetron system of third embodiment of the invention.Refering to what is shown in Fig. 3, the present embodiment
Microwave magnetron system may include that power supply 10, magnetron 20 and output characteristics adjust circuit 30b.Power supply 10 and output characteristics tune
The road 30b that economizes on electricity forms power-supply system.Power supply 10 connects magnetron 20.Power supply 10 is high voltage power supply needed for magnetron, Neng Gouti
Voltage for the kV order of magnitude and tens to several hundred A electric current.Output characteristics, which adjusts circuit 30b, can have first end N1 and second end
N2.First end N1 is connected on the connection path between power supply 10 and magnetron 20, and second end N2 may be connected to reference node
Point, such as be grounded.
It may include switch unit 31, reactance array 32, control unit 33 and detection unit that output characteristics, which adjusts circuit 30a,
34.Reactance array 32 can have multiple reactance components.Here, these reactance components can be resistive element, capacity cell or inductance
Element.At least partly reactance component in these reactance components is connected to first end N1 and second by the conductive path controlled
It holds between N2.Control unit 33 can generate control signal according to input signal.Switch unit 31 can be according to control signal-selectivity
Ground is switched on or off conductive path, to change the whole reactance of reactance array.Here, the reactance component in reactance array 32
Connection type can be diversified, e.g. series, parallel or series connection is combined in parallel.In parallel or in series more
A reactance component can be also possible to inhomogeneity reactance component (such as resistive element with similar reactance component (such as resistive element)
And capacity cell).The conductive path controlled in reactance array 32 can be one or more.It can be a reactance component
It is corresponding with a conductive path, it is corresponding with a conductive path to be also possible to multiple reactance components.Detection unit 34 may be connected to
The conductive path controlled, and detect the connection status of conductive path.Detection unit 34 can will test signal and be transferred to control letter
Numbers 33.The mode that detection unit 34 detects can be the current value on conductive path.Such as when conductive path conducting, electric current is
One the larger value, to be more than the threshold value of setting, when conductive path disconnects, electric current is a very small value, to be less than
Given threshold.
Fig. 6 is that the output characteristics of third embodiment of the invention adjusts the circuit diagram of circuit.In the example of fig. 6, electric
Anti- array 32 has multiple reactance arm 321-32n in parallel.These details can refer to the description of first embodiment, herein no longer
Expansion.
Hold above-mentioned, each conductive path is made of node Y1-Yn with corresponding node D1-Dn.Switch unit 31 includes being set to
Switch S1-Sn in conductive path.The details of switch unit 31 can refer to the description of first embodiment, not reinflated herein.
The setting of the whole reactance of reactance array can be according to the numerical value for the voltage and or current that desired power supply 10 exports come really
It is fixed.Specific setting can refer to shown in table 1 above.
In one example, control unit 32 can be determined according to including the input signal of electric power output voltage and electric current
The reactance of output characteristics adjusting circuit 30.Accordingly, control unit 32 generates the control signal for being supplied to switch unit 31, by switching
Unit 31 determines that output characteristics adjusts the capacitor of circuit 30, resistance value by the control of conductive path, to make 10 He of power supply
Magnetron 20 is in required matching status.In addition, detection unit 34 may include the detection member being distributed on each conductive path
Part 341-34n, for detecting whether each conductive path is connected.When switch (such as S1) closure, controller;Work as switch
When (such as S1) is disconnected, electric current is lower than threshold value, can determine whether each switch S1-Sn is in the working condition of requirement accordingly.Control is single
Member 32 can also report upwards each road connection status after receiving detection signal.
In the present embodiment, when select different output characteristics adjust the capacitor of circuit 30, resistance value combination when, can be with
Power supply 10 and magnetron 20 is set to be in different matching status, output power covers the section of 0.6MW to 3.1MW.In addition, not
In same matching status, magnetron 20 can be stablized on desired output power.Such as in a state, magnetron 20 can
To stablize on the output power of 3.1MW, in another state, magnetron 20 can be stablized on the output power of 1.6MW.
Fourth embodiment
The power-supply system and other embodiments of the present embodiment are the difference is that output characteristics adjusts circuit.Fig. 7 is this hair
The output characteristics of bright fourth embodiment adjusts the circuit diagram of circuit.Refering to what is shown in Fig. 7, the output characteristics of the present embodiment is adjusted
Circuit 40 includes that regulative reactance component 41 and reactance adjust unit 42.Regulative reactance component 41 may include one or more adjustable electrics
Anti- element.Adjustable reactive elements can be capacity cell, such as C11-C1n, C21-C2n.Adjustable reactive elements are also possible to electricity
Resistance element, such as R1-Rn.The connection type of reactance component in regulative reactance component 41 can be it is diversified, e.g.
Series, parallel or series connection are combined with parallel connection.Multiple reactance components in parallel or in series can with similar reactance component (such as electricity
Resistance element), it is also possible to inhomogeneity reactance component (such as resistive element and capacity cell).Regulative reactance component 41 can have portion
Dividing reactance component is that reactance is adjustable, and it is adjustable to be also possible to all reactance of whole reactance components.
Tunable capacitor element can be more typical trimmer.Trimmer useful ceramics are as medium, in movable plate
With semicircular silver layer is coated on stator, the distance between itself and stator are changed by rotation movable plate, i.e., changeable capacitor
The size of amount.Since trimmer adjustable extent is smaller, required capacitance requirements can be realized in series and parallel by multiple.Fig. 8 is
The example of the capacitance of capacity cell is adjusted in the present invention by circle number, reactance as shown in Figure 8, which adjusts unit 42, can pass through adjusting
Signal driving movable plate rotates to corresponding circle number to change capacitance.
Although the present invention is described with reference to current specific embodiment, those of ordinary skill in the art
It should be appreciated that above embodiment is intended merely to illustrate the present invention, can also make in the case where no disengaging spirit of that invention
Various equivalent change or replacement out, therefore, as long as to the variation of above-described embodiment, change in spirit of the invention
Type will all be fallen in the range of following claims.
Claims (14)
1. a kind of power-supply system, including power supply and output characteristics adjust circuit, the power supply is adapted to load, and the output is special
Property adjust circuit have a first end and a second end, the first end is connected to the connection between the power supply and the load
Path, the second end are connected to reference mode, wherein output characteristics adjusting circuit includes:
Regulative reactance component;
Reactance adjusts unit, suitable for changing the reactance value of the regulative reactance component according to control signal dynamics.
2. power-supply system as described in claim 1, which is characterized in that
The regulative reactance component is reactance array, has multiple reactance components, wherein in the multiple reactance component at least
Part reactance component is connected between the first end and second end by the conductive path controlled;
It is switch unit that the reactance, which adjusts unit, is switched on or off the conductive path according to a control signal-selectivity
Diameter, to change the whole reactance of the reactance array.
3. power-supply system as claimed in claim 2, which is characterized in that the reactance array has multiple reactance branch in parallel
Road, at least one reactance arm in the multiple reactance arm are connected to the first end by the corresponding conductive path
Between second end.
4. power-supply system as claimed in claim 3, which is characterized in that at least one reactance branch in the multiple reactance arm
Road includes concatenated multiple reactance components.
5. power-supply system as claimed in claim 2 or 4, which is characterized in that the reactance component is resistive element, capacity cell
Or inductance element.
6. power-supply system as claimed in claim 2 or claim 3, which is characterized in that the switch unit includes being set to the conductive path
Switch in diameter.
7. power-supply system according to claim 1, which is characterized in that further include control unit, provide the control signal.
8. power-supply system according to claim 2 or 3, which is characterized in that further include detection unit, be connected to the conduction
Path, and detect the connection status of the conductive path.
9. power-supply system according to claim 2, which is characterized in that further include:
Control unit provides the control signal;
Detection unit is connected to the conductive path, and detects the connection status of the conductive path, and described control unit receives
The detection signal of the detection unit.
10. power-supply system as described in claim 1, which is characterized in that
The regulative reactance component includes one or more adjustable reactive elements;
The reactance adjusts unit and changes the reactance of one or more of adjustable reactive elements according to a control signal, to change
Become the whole reactance of the regulative reactance component.
11. power-supply system according to claim 7, which is characterized in that described control unit is configured to according to input signal
The control signal is generated, the input signal includes the voltage and or current of the power supply.
12. power-supply system according to claim 7, which is characterized in that described control unit is according to the voltage of the power supply
And/or electric current determines the reactance of the regulative reactance component, to generate the control signal.
13. power-supply system according to claim 11 or 12, which is characterized in that a preset power supply in described control unit
Voltage and or current, regulative reactance component reactance mapping table, close comprising multiple groups are corresponding in the mapping table
System.
14. power-supply system according to claim 1, which is characterized in that the load is magnetron, klystron or electronics
Pipe.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111020031.XA CN113726160A (en) | 2018-06-29 | 2018-06-29 | Output characteristic adjusting circuit and power supply system |
CN201810719338.0A CN108880251B (en) | 2018-06-29 | 2018-06-29 | Power supply system with output characteristic adjusting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810719338.0A CN108880251B (en) | 2018-06-29 | 2018-06-29 | Power supply system with output characteristic adjusting circuit |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111020031.XA Division CN113726160A (en) | 2018-06-29 | 2018-06-29 | Output characteristic adjusting circuit and power supply system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108880251A true CN108880251A (en) | 2018-11-23 |
CN108880251B CN108880251B (en) | 2021-07-13 |
Family
ID=64298392
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111020031.XA Pending CN113726160A (en) | 2018-06-29 | 2018-06-29 | Output characteristic adjusting circuit and power supply system |
CN201810719338.0A Active CN108880251B (en) | 2018-06-29 | 2018-06-29 | Power supply system with output characteristic adjusting circuit |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111020031.XA Pending CN113726160A (en) | 2018-06-29 | 2018-06-29 | Output characteristic adjusting circuit and power supply system |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN113726160A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1503424A (en) * | 2002-11-20 | 2004-06-09 | 盈正豫顺电子股份有限公司 | Mixing type virtual work compensator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5654679A (en) * | 1996-06-13 | 1997-08-05 | Rf Power Products, Inc. | Apparatus for matching a variable load impedance with an RF power generator impedance |
US8436643B2 (en) * | 2010-11-04 | 2013-05-07 | Advanced Energy Industries, Inc. | High frequency solid state switching for impedance matching |
US8416008B2 (en) * | 2011-01-20 | 2013-04-09 | Advanced Energy Industries, Inc. | Impedance-matching network using BJT switches in variable-reactance circuits |
US10431428B2 (en) * | 2014-01-10 | 2019-10-01 | Reno Technologies, Inc. | System for providing variable capacitance |
KR102638385B1 (en) * | 2014-12-19 | 2024-02-21 | 메사추세츠 인스티튜트 오브 테크놀로지 | Tunable Matching Network with Phase-Switched Elements |
US10148231B2 (en) * | 2016-06-14 | 2018-12-04 | Analogic Corporation | RF power amplifier with dynamic impedance matching through discrete presets and/or a variable power supply |
-
2018
- 2018-06-29 CN CN202111020031.XA patent/CN113726160A/en active Pending
- 2018-06-29 CN CN201810719338.0A patent/CN108880251B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1503424A (en) * | 2002-11-20 | 2004-06-09 | 盈正豫顺电子股份有限公司 | Mixing type virtual work compensator |
Also Published As
Publication number | Publication date |
---|---|
CN108880251B (en) | 2021-07-13 |
CN113726160A (en) | 2021-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI479466B (en) | Flux compensation led driver system and method | |
TWI468893B (en) | Circuit and method for voltage and current regulators with switched output capacitors for multiple regulation states | |
CN104009515B (en) | Current steering circuit and current steering method for controlling branch current flowing through branch | |
CN105282929A (en) | Full voltage segmented linear constant current LED drive circuit capable of switching modes automatically | |
CN100539796C (en) | Active matrix current adjustment circuit | |
US7969130B2 (en) | Voltage supply interface with current sensitivity and reduced series resistance | |
CN108880251A (en) | The power-supply system of circuit is adjusted with output characteristics | |
CN117353431B (en) | Circuit structure with adjustable duty ratio | |
CN106793252A (en) | A kind of LED illumination light-dimming method of voltage and dutycycle dual control | |
EP2103194A2 (en) | Lamp driver for operating a gas discharge lamp | |
CN101873064A (en) | The liquid crystal indicator of booster circuit and use booster circuit | |
CN103999549B (en) | Luminescent device and system | |
CN102647824B (en) | Output current subsection compensation circuit for light-emitting diode (LED) driving circuit | |
CN102033146A (en) | Electronic load with light emitting diode simulation characteristic and light emitting diode characteristic simulation method | |
US10516334B1 (en) | Power circuit, driving circuit for display panel, and display device | |
CN109709862B (en) | Programmable variable resistor | |
CN106953613A (en) | The power supply circuit and power regulating method of power amplifier | |
CN103517501B (en) | Luminescence unit driver and driving method and light-emitting device | |
CN207573232U (en) | DC high-voltage power supply dropping equipment and DC high-voltage power supply | |
US10021842B2 (en) | Irrigation controllers with enhanced alternating current switching devices | |
CN207782420U (en) | A kind of pressure regulating and capacitance regulating compensation device | |
CN102566622B (en) | Temperature adjusting device for refrigerator | |
EP2127495A1 (en) | Circuit arrangement and method for adapting the output of high-pressure discharge lamps | |
CN113098266A (en) | Output voltage adjustable current expansion circuit, control system and electric appliance | |
CN110138206A (en) | Power driving circuit and display device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Applicant after: Shanghai Lianying Medical Technology Co., Ltd Address before: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Applicant before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |