CN207502572U - Waveform mitotic apparatus - Google Patents
Waveform mitotic apparatus Download PDFInfo
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- CN207502572U CN207502572U CN201721338392.8U CN201721338392U CN207502572U CN 207502572 U CN207502572 U CN 207502572U CN 201721338392 U CN201721338392 U CN 201721338392U CN 207502572 U CN207502572 U CN 207502572U
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Abstract
The utility model is related to waveform mitotic apparatus, including:First electronic switch, the second electronic switch and control module;First electronic switch and the second electronic switch are respectively used to connect with current input terminal;Control terminal of the control module respectively with the control terminal of the first electronic switch and the second electronic switch is connect.The sine-wave current cutting for being inputted current input terminal by the first electronic switch and the second electronic switch forms the electric current of two parts of nonlinear waveforms, so that the electric current of nonlinear waveform can be measured by taking temperature, by main line by the electric current of the nonlinear waveform synthesis sine waveform of two branches, traditional standard table taken temperature to the measurement verification of main line sine wave the measurement to nonlinear wave carry out examining and determine it is whether credible, since what traditional standard table measured is sine wave and traces to the source by standard, it is achieved thereby that the standard that nonlinear wave measures is traced to the source.
Description
Technical field
The utility model is related to nonlinear waveform field of measuring technique, more particularly to waveform mitotic apparatus.
Background technology
It, can not be nonlinear to measuring currently without the standard measured directly of tracing to the source of the electric energy for nonlinear-load operating mode
The accuracy of the electric energy meter of waveform is examined and determine.
Metering institute of China proposes two kinds of indirect test waveforms for the dynamic accuracy of electric energy measurement instrument or device
It weighs, but since test waveform has no longer been sine wave, and the experiment wave of the device of tracing to the source of the standard scale currently used for reference
Shape is sine wave, therefore can not directly prove that accuracy of this standard scale under nonlinear-load operating mode is " believable ".
Therefore, the measurement for nonlinear waveform and standard trace to the source be at present there is an urgent need for.
Utility model content
Based on this, it is necessary to pointedly provide a kind of waveform mitotic apparatus.
A kind of waveform mitotic apparatus, including:First electronic switch, the second electronic switch and control module;
The first end of first electronic switch and the first end of second electronic switch are respectively used to defeated with electric current
Enter end connection, the second end of first electronic switch is used to connect with the first current output terminal, second electronic switch
Second end is used to connect with the second current output terminal;
The control module control with the control terminal of first electronic switch and second electronic switch respectively
End connection.
In one embodiment, current detection module is further included, one end of the current detection module is for defeated with electric current
Enter end connection, and the other end of the current detection module respectively with the first end of first electronic switch and described second
The first end connection of electronic switch.
In one embodiment, first electronic switch is metal-oxide-semiconductor.
In one embodiment, second electronic switch is metal-oxide-semiconductor.
In one embodiment, first electronic switch is IGBT.
In one embodiment, second electronic switch is IGBT.
In one embodiment, first electronic switch is triode.
In one embodiment, second electronic switch is triode.
In one embodiment, first resistor and second resistance are further included, the second end of first electronic switch passes through
The first resistor is connect with the first current output terminal, and the second end of second electronic switch passes through the second resistance and the
Two current output terminals connect.
In one embodiment, the resistance value of the first resistor is identical with the resistance value of the second resistance.
The beneficial effects of the utility model are:Pass through control of the control module to the first electronic switch and the second electronic switch
System so that the first electronic switch and the second electronic switch periodicity break-make are cut the sine-wave current that current input terminal inputs
Be divided into two parts, form the electric current of two parts of nonlinear waveforms so that taken temperature connect with the first electronic switch after can measure
The electric current of nonlinear waveform, and the electric current of the nonlinear waveform synthesis sine waveform of two branches is passed through by biography by main line
The measurement to nonlinear wave of being taken temperature to the measurement verification of main line sine wave of system standard scale examine and determine whether it credible, while by
It is sine wave in what traditional standard table measured and traces to the source by standard, so as to which the standard that nonlinear wave easy to implement measures is traced back
Source.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the circuit diagram of the waveform mitotic apparatus of an embodiment;
Fig. 2 is the circuit diagram of the application scenarios of the waveform mitotic apparatus of an embodiment;
Fig. 3 is the circuit diagram of the application scenarios of the waveform mitotic apparatus of another embodiment;
Fig. 4 is showing through waveform mitotic apparatus into the first branch after line splitting and the waveform of the second branch for an embodiment
It is intended to.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, it is the waveform mitotic apparatus 100 of one embodiment of the utility model, including:First electronic switch
110th, the second electronic switch 120 and control module 130;The first end of first electronic switch 110 and second electronics
The first end of switch 120 is respectively used to connect with current input terminal, and the second end of first electronic switch 110 is used for and first
Current output terminal connects, and the second end of second electronic switch 120 is used to connect with the second current output terminal;The control mould
Control terminal of the block 130 respectively with the control terminal of first electronic switch 110 and second electronic switch 120 is connect, institute
Control module 130 is stated to be used to, in any period, only control in first electronic switch 110 and second electronic switch 120
One unlatching.
In the present embodiment, current input terminal with the current output terminal in calibration power source for connecting, for example, current input terminal
For being connect with the current output terminal in calibration power source, calibration power source is used to input calibration power to waveform mitotic apparatus 100
Electric current, for example, calibration power source be used for input sine wave electric current Isource.
In the present embodiment, the second end of the second end of the first electronic switch 110 and the second electronic switch 120 is additionally operable to point
It is not connect by hookup with the common end Icom in calibration power source, hookup is omitted in wherein Fig. 1.
Specifically, control module 130 is used to control the break-make of the first electronic switch 110 and the second electronic switch 120 respectively,
For example, control module 130 is used to control the periodical break-make of the first electronic switch 110 and the second electronic switch 120, example respectively
Such as, the control module 130 is used to hold time (t in any break-make1Or t2), only control first electronic switch 110 and institute
One of unlatching in the second electronic switch 120 is stated, i.e., is held time (t in any break-make1Or t2), first electronic cutting
It closes only there are one opening in 110 and second electronic switch 120, for example, the opening time and second of the first electronic switch 110
The opening time of electronic switch 120 mutually staggers, for example, being opened when the first electronic switch 110 and different the second electronic switch 120
It opens.
In the present embodiment, calibration power source is by current input terminal respectively to the first electronic switch 110 and the second electronic cutting
Close 120 input currents, current input terminal respectively with the first end of the first electronic switch 110 and the second electronic switch 120
One end connects, i.e. the first electronic switch 110 and the second electronic switch 120 are in parallel,
It is noted that it is opened when the first electronic switch 110 and different the second electronic switch 120, for example, waveform divides
Device 100 includes two electronic switches, and two electronic switches are the first electronic switch 110 and the second electronic switch 120, any
Break-make is held time (t1Or t2), only there are one electronic switches to be connected, that is to say, that when maintaining in any period or any break-make
Between, controller 130 controls one of unlatching in the first electronic switch 110 and second electronic switch 120, and controls the
Another closing in one electronic switch 110 and second electronic switch 120.Control module 130 is maintained in each break-make
The first electronic switch 110 and the second electronic switch 120 are opened in time successively, which holds time holds time including first
t1It holds time t with second2, control module 130 is used to open in first the first electronic switch 110 of control of holding time, control the
Two electronic switches 120 are closed, and hold time second and the first electronic switch 110 is controlled to close, and control the second electronic switch 120
It opens, wherein, first holds time holds time equal with second, i.e., first time held time with second of holding time is long
It spends equal.In this way, first holds time and holds time continuous cycle with second so that the first electronic switch 110 and the second electronics
Switch 120 periodically opens and closes, so that it is two parts that the electric current of current input terminal is split within the different periods.
Specifically, Fig. 2 is referred to, the electric current of current input terminal input is Iref, hold time t first1, the first electronics
Switch 110 is opened, and the second electronic switch 120 is closed, and the electric current for flowing through the first electronic switch 110 is I1, the first electric current is defeated at this time
Outlet output current is I1, the second current output terminal output current is 0;It holds time t second2, the second electronic switch 120 opens
It opens, the first electronic switch 110 is closed, and the electric current for flowing through the second electronic switch 120 is I2, the electricity of the second current output terminal output at this time
It flows for I2, the first current output terminal output current is 0.For a complete period, Isource=I1+I2。
As shown in figure 4, the electric current Isource of current input terminal input is Iref, IrefWaveform for sine wave, the electric current
Waveform period for T, and it is t that the break-make of the first electronic switch 110 and the second electronic switch 120, which is held time,1And t2, then
Flow through the electric current I of the first electronic switch 1101With the electric current I of the second electronic switch 1202Waveform then as shown in figure 4, I1And I2
For nonlinear electric current, and I1And I2Respectively IrefHalf, and Iref=I1+I2.By control module 130 to first
The periodical control of 110 and second electronic switch 120 of electronic switch so that the electric current of sine wave is split as nonlinear wave
Shape, in this way, connecting with the first electronic switch 110 or connecting with the second electronic switch 120, it can be achieved that non-linear when being taken temperature
The measurement of waveform.
In one embodiment, as shown in Figure 1, waveform mitotic apparatus 100 further includes current detection module 160, the electric current
One end of detection module 160 for being connect with current input terminal, and the other end of current detection module 160 respectively with the first electronics
The first end of switch 110 and the first end connection of the second electronic switch 120, that is to say, that current input terminal is examined by electric current
It surveys module 160 to connect with the first end of the first electronic switch 110 and the first end of the second electronic switch 120, the current detecting
Module 160 is connected in main line, and current detection module 160 is connect with control module 130, which is used to examine
Survey the electric current of current input terminal input, that is to say, that the current detection module 160 is used to detect the electric current of current input terminal;It should
Current detection module 160 is used to provide zero passage detection signal to control module 130, and the control module 130 is additionally operable to receiving
To after zero passage detection signal, the periodical break-make of Synchronization Control the first electronic switch 110 or the second electronic switch 120, that is,
It says, after current detection module 160 detects the zero crossing of current input terminal, control module 130 then starts to the first electronic cutting
110 and second electronic switch 120 of pass carries out the control of periodical break-make, so that splitting operation and calibration power to waveform
The electric current input in source synchronizes, so that the nonlinear waveform after being divided on each period can be with the waveform in calibration power source
Matching.
In order to realize the break-make control to the first electronic switch 110 and the second electronic switch 120, for example, the control mould
The chip in order to control of block 130, for example, the control module 130 is microcontroller.For example, 110 and second electronic cutting of the first electronic switch
It is respectively semiconductor device switch to close 120.
In one embodiment, waveform mitotic apparatus further includes first resistor and second resistance, first electronic switch
Second end connect by the first resistor with the first current output terminal, the second end of second electronic switch passes through described
Second resistance is connect with the second current output terminal.
In one embodiment, first electronic switch 110 is MOS (metal oxide semiconductor) field
Effect transistor, mos field effect transistor) pipe, and the first electronic switch 110 includes two metal-oxide-semiconductors, institute
The second electronic switch 120 is stated as metal-oxide-semiconductor, second electronic switch 120 includes two metal-oxide-semiconductors, in this way for the sine of exchange
Wave electric current, two metal-oxide-semiconductors of the first electronic switch 110 can be turned on and off in two directions, the second electronic switch
120 two metal-oxide-semiconductors can be turned on and off in two directions, enabling realized and be connected in positive and negative two half-waves
Closing, for example, the metal-oxide-semiconductor be PMOS tube, for example, the metal-oxide-semiconductor be NMOS tube.In the present embodiment, the first electronic switch 110
Control terminal is the grid of the first electronic switch 110, and the control terminal of the second electronic switch 120 is the grid of the second electronic switch 120,
The first end of first electronic switch 110 can be source electrode or drain electrode, and the first end of second electronic switch 120 can
To be source electrode or drain electrode, control module 130 is to the grid input signal of the first electronic switch 110 so that the first electronics
Switch 110 is opened, to the grid input signal of the second electronic switch 120 so that the first electronic switch 110 is opened.Metal-oxide-semiconductor has
Very fast switching speed enables to control module 130 that can rapidly be carried out to the break-make of the first branch and the second branch
Control, can further improve the switching efficiency of electric current, and it is shorter that break-make is enabled to hold time, so that switching frequency
Higher, so that the precision higher of nonlinear waveform electric current.It should be understood that two metal-oxide-semiconductors of the first electronic switch 110
And second the connection of two metal-oxide-semiconductors of electronic switch can be set according to actual demand, those skilled in the art are according to existing skill
Art can be realized the connection of two metal-oxide-semiconductors, and realize being turned on and off in two directions, not burdensome in the present embodiment to retouch
It states.
In one embodiment, first electronic switch is IGBT (Insulated Gate Bipolar
Transistor, insulated gate bipolar transistor), the first electronic switch includes two IGBT, in one embodiment, described the
Two electronic switches are IGBT, and the second electronic switch includes two IGBT, two IGBT of the first electronic switch and the second electronics
Two IGBT of switch, which can equally be realized, to be realized on the positive and negative half-wave of sine wave be turned on and off respectively.Specifically, this reality
It applies in example, the control terminal of the first electronic switch 110 is the grid of the first electronic switch 110, the first of first electronic switch 110
End can be drain electrode or source electrode, and 120 control terminal of the second electronic switch is the grid of the second electronic switch 120, this second
The first end of electronic switch 120 can be drain electrode or source electrode, in this way, control module 130 is to the first electronic switch 110
Grid and the second electronic switch 120 grid input signal, you can realize to the first electronic switch 110 and the second electronic cutting
Close the control of 120 break-make.
In one embodiment, first electronic switch 110 is triode, and the first electronic switch 110 includes two three
Pole pipe, second electronic switch 120 are triode, and the second electronic switch 120 includes two triodes.In the present embodiment, the
The control terminal of one electronic switch 110 is the base stage of the first electronic switch 110, and the first end of first electronic switch 110 can be
Collector or emitter, base stage of 120 control terminal of the second electronic switch for the second electronic switch 120, second electronics
The first end of switch 120 can be collector or emitter, in this way, control module 130 is to the first electronic switch 110
Base stage and the second electronic switch 120 base input signal, you can realize to the first electronic switch 110 and the second electronic cutting
Close the control of 120 break-make.
As shown in Fig. 2, its nonlinear-load power for one embodiment of the utility model and device for measurement of electrical energy 10, including
Waveform mitotic apparatus 100 and hookup, waveform mitotic apparatus 100 include:First electronic switch 110, the second electronic switch
120th, first resistor R1, second resistance R2 and control module 130;The first end of first electronic switch 110 and described
The first end of two electronic switches 120 is respectively used to connect with current input terminal, the second end of first electronic switch 110 and institute
State the first end connection of first resistor R1, the second end of second electronic switch 120 and the second end of the second resistance R2
The second end of connection, the second end of the first resistor R1 and the second resistance R2 are respectively used to connect with current output terminal
It connects;The control module 130 respectively with the control terminal of first electronic switch 110 and second electronic switch 120
Control terminal connects.
In the present embodiment, the first electronic switch 110 is connected with first resistor R1, the second electronic switch 120 and second resistance
R2 connects, and the first electronic switch 110 and first resistor R1 places circuit are the first branch, the second electronic switch 120 and the second electricity
Circuit where hindering R2 is the first branch, in this way, when control module 130 controls the first electronic switch 110 to open, controls the second electronics
When switch 120 is closed, then the first branch is connected, and the electric current of current input terminal is delivered to current output terminal from the first branch, works as control
Molding block 130 controls the second electronic switch 120 to open, and when the first electronic switch 110 of control is closed, then the second branch is connected, electricity
The electric current of stream input terminal is delivered to current output terminal from the second branch.
In order to enable the electric current of power input can obtain uniform cutting, and in one embodiment, the first resistor
The resistance value of R1 is identical with the resistance value of the second resistance R2, in this way, the first branch and the second branch have identical resistance value, this
Sample can realize the electric current of current input terminal being switched fast in the first branch and the second branch, and cause the first branch
With the second branch electric current is more accurate namely the electric current of the first branch and the second branch be respectively current input terminal electric current two
/ mono-.
In order to realize the detection to non-linear electric energy meter, in one embodiment, as shown in Fig. 2, nonlinear-load power
It is further included with device for measurement of electrical energy 10 and is taken temperature 140, described taken temperature 140 is connected on first electronic switch 110 and institute
State the first branch where first resistor R1, in the present embodiment, being taken temperature 140 is connected in the first branch, and it 140 is non-to be taken temperature
Linear load electric energy meter 140 is connected in the first branch since this is taken temperature, this is taken temperature 140 electric currents detected i.e.
The electric current of waveform after being split off for the electric current of the nonlinear waveform in the first branch, that is, sine wave, the electric energy meter are surveyed
The electric current of amount is the half of electric current that current input terminal provides.
In order to detect the electric current on main line, that is, the electric current of examination criteria power source input, in one embodiment, such as Fig. 2
Shown, nonlinear-load power and device for measurement of electrical energy 10 further include system standard electric energy meter 150, the current output terminal be used for
Traditional standard electric energy meter 150 connects, and traditional standard electric energy meter 150 is connected to current output terminal, that is to say, that traditional standard electricity
Energy table 150 is connected in main line, and traditional standard electric energy meter 150 is connect with the common end Icom in calibration power source, in this way, waveform point
It splits device 100 and forming circuit is connect with calibration power source by traditional standard electric energy meter 150.The traditional standard electric energy meter 150 is
The standard scale that sine wave is traced to the source is had already passed through, conventional linear standard scale is for detecting linear sine-wave current, in this way, tradition mark
Quasi- electric energy meter 150 is that can measure to obtain the sine-wave current of current input terminal input, passes through 140 and the standard electric energy meter of being taken temperature
150 electric current carries out contrasting detection, detect taken temperature 140 electric current whether be traditional standard electric energy meter 150 half, i.e.,
It can detect that the accuracy for 140 detections of being taken temperature.Also, by main line by two nonlinear waves of the first branch and the second branch
The electric current of shape synthesis sine waveform, the survey that traditional standard table takes temperature to nonlinear wave to the measurement verification of the sine wave on main line
Amount examine and determine whether it credible, simultaneously because traditional standard table measure be sine wave and trace to the source by standard, so as to
Realize that the standard that nonlinear wave measures is traced to the source.
In a further embodiment, as shown in figure 3, non-linear standard's electric energy meter 180 is connected on first electronic switch
The first branch where the 110 and first resistor R1, that is to say, that taken temperature 140 and non-linear standard's electric energy meter 180 be total to
It is non-thread in the present embodiment with the first branch being connected on where first electronic switch 110 and the first resistor R1
Property standard electric energy meter 180 be non-linear standard's table after tracing to the source, non-linear standard's table is for providing nonlinear waveform inspection
The standard of survey, in this way, detection taken temperature it is 140 whether equal with the electric current that non-linear standard's electric energy meter 180 detects, you can detect
It is taken temperature the accuracy of 140 detections, in the present embodiment, since non-linear standard's electric energy meter 180 can provide nonlinear waveform detection
Standard so that the traditional standard electric energy meter that need not connect in main line, can be realized in the first branch and taken temperature 140
Detection.
For example, taken temperature 140 and standard electric energy meter 150 also connect with voltage input end, the voltage input end be standard work(
The voltage output end in rate source, be taken temperature 140 and standard electric energy meter 150 the voltage Vsource of standard voltage source is provided.
In order to enable the electric current of power input can obtain uniform cutting, in one embodiment, as shown in Fig. 2, also
Including balanced impedance 170, the balanced impedance 170 is connected on where second electronic switch and the second resistance R2
The second branch.Have and the 140 identical impedances of being taken temperature of the balanced impedance 170, in such manner, it is possible to so that the first branch and second
Branch have identical impedance, can realize the electric current of current input terminal in the first branch and the second branch when being switched fast
Current balance type, and cause the first branch and the second branch electric current is more accurate namely the electricity of the first branch and the second branch
Stream is respectively the half of the electric current of current input terminal.
In order to further reduce the influence of tested table and balanced impedance 170 to electric current, for example, taken temperature 140 resistance value
It is less than the resistance value of first resistor R1 again, for example, the resistance value of balanced impedance 170 is less than the resistance value of first resistor R2 again, that is to say, that
Taken temperature 140 resistance value of the resistance value less than first resistor R1 1/10th, in other words, the resistance value of first resistor R1 is more than ten times
Taken temperature 140 resistance value, 1/10th of the resistance value of the resistance value of balanced impedance 170 less than second resistance R2, in other words, second
The resistance value of balanced impedance 170 of the resistance value of resistance R2 more than ten times.
In the various embodiments described above, by control module 130 to the first electronic switch 110 and the second electronic switch 120
Control so that the first electronic switch 110 and the periodical break-make of the second electronic switch 120 exist the electric current that current input terminal inputs
Cutting be two parts, formed two parts of nonlinear waveforms electric current so that taken temperature 140 connect with the first electronic switch 110 after
The electric current of nonlinear waveform can be measured.
Here is a specific embodiment:
The current loop of hookup according to method as shown in Figure 2 is connected, is waveform mitotic apparatus in dotted line frame.Wave
Shape mitotic apparatus will be measured electric current and be divided into two parts, sent respectively to subject by control of the control module to electronic switch A and B
Instrument and balanced loop.Test waveform is as shown in figure 4, the electric current that subject instrument flows through is electronic switch A waveforms, in balanced impedance
The electric current flowed through is electronic switch B waveforms, flow through on standard scale be the two synthesis.When control module cuts electronic switch
When the error for changing control is the insignificant order of magnitude, it is believed that the electric current for flowing through standard scale is a complete sine wave.
Fig. 4 describes the current waveform applied during experiment.Time T therein is the period of sine wave, and t is electronic switch
Break-make is held time, control t size can Control experiment requirement nonlinear waveform frequency characteristic, wherein, a break-make
The t that holds time holds time t equal to first1It holds time t with second2The sum of.The size of adjustment time t, thus it is possible to vary experiment pair
The test condition of the non-linear response characteristic of elephant, the smaller value of time t correspond to the higher of test switching frequency.
The Controlling principle of electronic switch is:Shape is in any break-make one and only one electronic switch of holding time
State, and the electric current for flowing through standard scale is flowed through the summation of electric current by two electronic switches.The waveform of typical control two-way electric current
1/2 of waveform for the electric current to flow through standard scale, calculating 1/2 difference of the electric current of subject instrument electric current and standard scale can obtain
It is tested the measurement error of instrument.
(1) waveform mitotic apparatus as shown in Figure 1, it is characterized in that sine-wave current is divided into complementation using electronic switch
Two parts, only a copy of it electric current flows through subject instrument or device, is tested under nonlinear-load operating mode for measuring
The electrical energy measurement characteristic of instrument;And another electric current flows through balanced impedance, the electric current after synthesis flows through standard scale.
(2) waveform mitotic apparatus as shown in Figure 1, it is characterized in that electric current for flowing through standard scale be still it is complete just
String wave, in this way, just solving the problems, such as tracing to the source for standard scale, while " credibility " that the accuracy for solving subject instrument again is traced to the source
Problem.
(3) waveform mitotic apparatus as shown in Figure 1, it is characterized in that sine-wave current is divided into two of upper frequency
Point, the i.e. changeable non-linear operating mode power/energy of frequency for changing segmentation measures the nonlinearity of test waveform.
(4) the utility model proposes a kind of waveform mitotic apparatus is built on the basis of Fig. 1.In traditional calibration equipment
On the basis of, this device of affix can be used to the electrical energy measurement characteristic of the nonlinear-load operating mode to electric energy measurement instrument or device
Calibrating, and without being transformed to original testing standard power source and standard scale.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of waveform mitotic apparatus, which is characterized in that including:First electronic switch, the second electronic switch and control module;
The first end of the first electronic switch and first end of second electronic switch is respectively used to and current input terminal
Connection, the second end of first electronic switch with the first current output terminal for connecting, and the second of second electronic switch
It holds to connect with the second current output terminal;
The control module connects respectively with the control terminal of first electronic switch and the control terminal of second electronic switch
It connects.
2. waveform mitotic apparatus according to claim 1, which is characterized in that further include current detection module, the electric current
One end of detection module with current input terminal for connecting, and the other end of the current detection module is electric with described first respectively
The first end of sub switch and the connection of the first end of second electronic switch.
3. waveform mitotic apparatus according to claim 1 or 2, which is characterized in that first electronic switch is metal-oxide-semiconductor.
4. waveform mitotic apparatus according to claim 3, which is characterized in that second electronic switch is metal-oxide-semiconductor.
5. waveform mitotic apparatus according to claim 1 or 2, which is characterized in that first electronic switch is IGBT.
6. waveform mitotic apparatus according to claim 5, which is characterized in that second electronic switch is IGBT.
7. waveform mitotic apparatus according to claim 1 or 2, which is characterized in that first electronic switch is triode.
8. waveform mitotic apparatus according to claim 7, which is characterized in that second electronic switch is triode.
9. waveform mitotic apparatus according to claim 1 or 2, which is characterized in that first resistor and second resistance are further included,
The second end of first electronic switch is connect by the first resistor with the first current output terminal, second electronic switch
Second end connect by the second resistance with the second current output terminal.
10. waveform mitotic apparatus according to claim 9, which is characterized in that the resistance value of the first resistor and described
The resistance value of two resistance is identical.
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CN201721338392.8U CN207502572U (en) | 2017-10-16 | 2017-10-16 | Waveform mitotic apparatus |
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CN201721338392.8U CN207502572U (en) | 2017-10-16 | 2017-10-16 | Waveform mitotic apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019076165A1 (en) * | 2017-10-16 | 2019-04-25 | 广东东方电讯科技有限公司 | Nonlinear load power and electric energy calibrating device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019076165A1 (en) * | 2017-10-16 | 2019-04-25 | 广东东方电讯科技有限公司 | Nonlinear load power and electric energy calibrating device |
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