CN106908641A - A kind of signal measurement apparatus and method - Google Patents
A kind of signal measurement apparatus and method Download PDFInfo
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- CN106908641A CN106908641A CN201510976022.6A CN201510976022A CN106908641A CN 106908641 A CN106908641 A CN 106908641A CN 201510976022 A CN201510976022 A CN 201510976022A CN 106908641 A CN106908641 A CN 106908641A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention provides a kind of signal measurement apparatus and method, it is related to oscillograph technical field.Signal measurement apparatus include：Probe circuit, signal generator circuit, measuring circuit and oscillograph control circuit；Probe circuit includes the first coupling coil, sound end coil circuit, and the first coupling coil is connected with sound end coil circuit；Signal generator circuit includes signal generator, resistance Rs and the second coupling coil；First coupling coil and the second coupling coil cooperate, and are coupled；The voltage monitoring end of measuring circuit connects the other end of resistance Rs and one end of the second coupling coil；The output end of measuring circuit is connected with oscillograph control circuit.The present invention solve solution current probe type detection it is inaccurate, the probe that oscillograph is applied is mismatched with it, and the measurement result for easily causing oscillograph is wrong, and the problem that can not be controlled to oscillograph by probe circuit.
Description
Technical field
The present invention relates to oscillograph technical field, more particularly to a kind of signal measurement apparatus and method
Background technology
Currently, oscilloprobe is an indispensable part during oscillograph use, and it is mainly as carrying signal
The link of transmission, measured signal is completely reliably transmitted to oscillograph, is further measured in order to oscillograph point
Analysis.At present, oscilloprobe can be divided into passive probe and active probe by power supply mode point.Passive probe is divided into nothing again
Source low pressure is popped one's head in, passive high voltage is popped one's head in and low-resistance transmission line is popped one's head in etc., and active probe is divided into active single-ended probe, has again
Source differential probe, high pressure differential probe etc..Additionally, under some special applications, can also use to current probe, closely
Field probe, logic probe and various kinds of sensors (such as light, temperature, vibration) probe etc..
In order to meet oscillograph demand in all cases, and different oscilloprobes to the measurement result of oscillograph
In the presence of influence.Therefore, to the identification of oscilloprobe, and selection suitable probe oscillograph is controlled wait operate
It is increasingly important.Recognize that most is the coaxial cable connector (Bayonet of oscillograph connection currently for probe type
Nut Connector, abbreviation BNC) hold one spring needle of use to connect resistance Rp a to BNC for specific resistance
Ground terminal, when probe accesses oscillograph, specific valued resistor Rp and oscillograph inside identification circuit form one point
Volt circuit, the magnitude of voltage after measuring partial pressure such that it is able to determine the type of the probe corresponding to different magnitudes of voltage.
The identification of probe type, therefore probe are carried out after a flexible terminal is connected with oscillograph due to prior art
Contact reliability turn into the key that can correctly recognize of probe, the probe particularly popped one's head in, can be by when contact is started
Oscillograph inner probe identification circuit is caused to read a magnitude of voltage for mistake in the Elastic Contact of spring needle, and then may
Cause to read probe type mistake, in turn result in the measurement result mistake of acquisition.In addition, oscilloprobe end identification part
Divide and generally use printed circuit board (Printed Circuit Board, abbreviation PCB), using for a long time
Afterwards, the skimming wear of the spring contact portion of probe can also be adversely affected to the identification popped one's head in.It can be seen that, if oscillography
The unmatched probe of device application, easily causes oscilloscope measurement result mistake, and effectively oscillograph can not be controlled
System.
The content of the invention
Embodiments of the invention provide a kind of signal measurement apparatus and method, to solve in the prior art, probe type inspection
Really, the probe that oscillograph is applied is mismatched with it, and the measurement result for easily causing oscillograph is inaccurate for indeterminacy, and
The problem that can not be controlled to oscillograph by probe circuit.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of signal measurement apparatus, including：Probe circuit, signal generator circuit, measuring circuit and oscillograph control
Circuit processed；
The probe circuit includes the first coupling coil, sound end coil circuit, first coupling coil and the spy
Head end coil circuit is connected；
The signal generator circuit includes signal generator, resistance Rs and the second coupling coil；The signal hair
One end ground connection of raw device, the other end of the signal generator is connected with one end of the resistance Rs；The resistance Rs
The other end be connected with one end of second coupling coil；The other end ground connection of second coupling coil；
First coupling coil and the second coupling coil cooperate, and are coupled；
The voltage monitoring end of the measuring circuit connects the other end and second coupling coil of the resistance Rs
One end；
The output end of the measuring circuit is connected with oscillograph control circuit.
Further, the sound end coil circuit includes a load resistance, the two ends of the load resistance and described the
One coupling coil two ends connect.
Further, the sound end coil circuit includes a variable resistor, one end of the variable resistor and described the
One end connection of one coupling coil；The sliding end of the variable resistor is connected with the other end of first coupling coil.
Specifically, the sound end coil circuit includes a load resistance and a tunable capacitor；The load resistance and institute
State the two ends that tunable capacitor is connected in first coupling coil in parallel.
Specifically, the sound end coil circuit includes a load resistance and a key switch；The key switch and institute
State the two ends that load resistance is connected in first coupling coil in parallel.
Specifically, the sound end coil circuit includes a variable connector structure；The not moved end of the variable connector structure
One end with first coupling coil is connected；The moved end of the variable connector structure includes multiple load resistances；It is described
One end of multiple load resistances as the variable connector structure moved end, the other end of the multiple load resistance is common
Connect the other end of first coupling coil.
A kind of signal measurement method, is applied to above-mentioned signal measurement apparatus；Methods described includes：
Control signal generator circuit sends preset signals；
The first coupling coil in control probe circuit is coupled with the second coupling coil in signal generator circuit；
Voltage monitoring end according to the measuring circuit, obtains the voltage letter detected by the voltage monitoring end in real time
Number；
The type popped one's head according to belonging to the voltage signal judges the probe circuit；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information；
According to the voltage signal change information, the oscillograph is controlled.
Specifically, the sound end coil circuit includes a load resistance, the two ends of the load resistance and described first
Coupling coil two ends connect；
The type popped one's head according to belonging to the voltage signal judges the probe circuit, including：
The probe type list that acquisition pre-sets；In the probe type list record have various probe types and its
The magnitude of voltage of corresponding voltage signal；
The magnitude of voltage of the voltage signal is obtained, and according to the magnitude of voltage is inquired about in the probe type list
The corresponding probe type of magnitude of voltage.
Specifically, the sound end coil circuit includes a variable resistor, one end of the variable resistor and described first
One end connection of coupling coil；The sliding end of the variable resistor is connected with the other end of first coupling coil；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
The sliding end of the variable resistor is controlled to enter line slip, to cause that the voltage detected by the voltage monitoring end is believed
Number change, generation voltage signal change letter；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
Specifically, the sound end coil circuit includes a load resistance and a tunable capacitor；The load resistance and institute
State the two ends that tunable capacitor is connected in first coupling coil in parallel
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
The variable capacitance is adjusted, to cause that the voltage signal detected by the voltage monitoring end changes, is generated
Voltage signal change letter；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
Specifically, the sound end coil circuit includes a load resistance and a key switch；The key switch and institute
State the two ends that load resistance is connected in first coupling coil in parallel；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
By key switch closure, to cause that the voltage signal detected by the voltage monitoring end changes, life
Change into voltage signal and believe；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
Specifically, the sound end coil circuit includes a variable connector structure；The not moved end of the variable connector structure
One end with first coupling coil is connected；The moved end of the variable connector structure includes multiple load resistances；It is described
One end of multiple load resistances as the variable connector structure moved end, the other end of the multiple load resistance is common
Connect the other end of first coupling coil；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
The different resistance in the multiple load resistances of moved end connection are controlled, to cause detected by the voltage monitoring end
Voltage signal change, generation voltage signal change letter；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
A kind of signal measurement apparatus provided in an embodiment of the present invention and method, the signal measurement apparatus include：Probe circuit,
Signal generator circuit, measuring circuit and oscillograph control circuit；The probe circuit include the first coupling coil,
Sound end coil circuit, first coupling coil is connected with the sound end coil circuit；The signal generator electricity
Road includes signal generator, resistance Rs and the second coupling coil；First coupling coil and the second coupling coil
Cooperate, coupled；The voltage monitoring end of the measuring circuit connects the other end and the institute of the resistance Rs
State one end of the second coupling coil；The output end of the measuring circuit is connected with oscillograph control circuit.By upper
Signal measurement apparatus are stated, preset signals can be sent by control signal generator circuit；And then in control probe circuit
The first coupling coil coupled with the second coupling coil in signal generator circuit；So as to according to the measurement electricity
The voltage monitoring end on road, obtains the voltage signal detected by the voltage monitoring end in real time；And then according to the voltage
Signal judges the type of probe belonging to the probe circuit；And it is pre- to control the sound end coil circuit in probe circuit to carry out
If action, to cause that the voltage signal detected by the voltage monitoring end changes, generation voltage signal change letter
Breath；So as to according to the voltage signal change information, be controlled to the oscillograph.It can be seen that, the present invention it is determined that
During probe type, without probe is connected by flexible terminal with oscillograph, but by the way of coil coupling, keep away
Exempt from terminal and easily generation wrong voltage value has been contacted with oscillograph, the problem for causing probe identification inaccurate.Meanwhile, lead to
Cross the control that the signal measurement apparatus can also be realized to oscillograph.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present invention, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation one of signal measurement apparatus provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation two of signal measurement apparatus provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation three of signal measurement apparatus provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation four of signal measurement apparatus provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation five of signal measurement apparatus provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation six of signal measurement apparatus provided in an embodiment of the present invention；
Fig. 7 is a kind of flow chart of signal measurement method provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of signal measurement apparatus, as shown in figure 1, the signal measurement apparatus 10 include：
Probe circuit 101, signal generator circuit 102, measuring circuit 103 and oscillograph control circuit 104.
The probe circuit 101 includes the first coupling coil 105, sound end coil circuit 106, first coupling coil
105 are connected with sound end coil circuit 106.
Signal generator circuit 102 includes signal generator 107, resistance Rs108 and the second coupling coil 109；
One end ground connection of signal generator 102, the other end is connected with one end of resistance Rs108；The other end of resistance Rs108
One end with the second coupling coil 109 is connected；The other end ground connection of the second coupling coil 109.
First coupling coil 105 and the second coupling coil 109 cooperate, and are coupled.
The voltage monitoring end 1031 of measuring circuit 103 connects the other end and the second coupling coil 109 of resistance Rs108
One end.
The output end 1032 of measuring circuit 103 is connected with oscillograph control circuit 104.Measuring circuit herein can be with
Including operational amplifier or root-mean-square value (Root Mean Square, RMS) measurement chip etc..
Further, as shown in Fig. 2 the sound end coil circuit 106 can include a load resistance 110, load
The two ends of resistance 110 are connected with the two ends of the first coupling coil 105.
In addition, as shown in figure 3, the sound end coil circuit 106 can include a variable resistor 111, variable resistor
111 one end is connected with one end of the first coupling coil 105；The sliding end of variable resistor 111 and the first coupling coil
105 other end connection.
Additionally, as shown in figure 4, the sound end coil circuit 106 can include a load resistance 112 and an adjustable electric
Hold 113.Load resistance 112 is connected in the two ends of the first coupling coil 105 in parallel with tunable capacitor 113.
In addition, as shown in figure 5, sound end coil circuit 106 can include a load resistance 114 and a key switch
115；Key switch 115 is connected in the two ends of the first coupling coil 105 in parallel with load resistance 114.
In addition, as shown in fig. 6, sound end coil circuit 106 can include a variable connector structure 116.Multichannel is opened
The not moved end for closing structure 116 is connected with one end of the first coupling coil 105.The moved end of variable connector structure 116 includes
Multiple load resistances 117.One end of multiple load resistances 117 as variable connector structure 116 moved end, multiple is negative
The other end for carrying resistance 117 connects the other end of the first coupling coil 105 jointly.
A kind of signal measurement apparatus provided in an embodiment of the present invention, the signal measurement apparatus include：Probe circuit, signal
Generator circuit, measuring circuit and oscillograph control circuit；Probe circuit includes the first coupling coil, probe end line
Circle circuit, the first coupling coil is connected with sound end coil circuit；Signal generator circuit includes signal generator, electricity
Resistance Rs and the second coupling coil；First coupling coil and the second coupling coil cooperate, and are coupled；Measurement
The voltage monitoring end of circuit connects the other end of resistance Rs and one end of the second coupling coil；The output of measuring circuit
End is connected with oscillograph control circuit.By above-mentioned signal measurement apparatus, can be sent out by control signal generator circuit
Go out preset signals；And then control the first coupling coil in probe circuit and the second coupling line in signal generator circuit
Circle is coupled；So as to the voltage monitoring end according to measuring circuit, the voltage detected by voltage monitoring end is obtained in real time
Signal；And then the type popped one's head according to belonging to voltage signal judges probe circuit；And the sound end for controlling in probe circuit
Coil circuit carries out deliberate action, to cause that the voltage signal detected by voltage monitoring end changes, generates voltage
Signal intensity information；So as to according to voltage signal change information, be controlled to oscillograph.It can be seen that, the present invention is true
When determining probe type, without probe is connected by flexible terminal with oscillograph, but by the way of coil coupling,
Avoid terminal and easily generation wrong voltage value is contacted with oscillograph, the problem for causing probe identification inaccurate.Meanwhile,
The control to oscillograph can also be realized by the signal measurement apparatus.
Corresponding to above-mentioned signal measurement apparatus, the present invention also provides a kind of signal measurement method, is applied to above-mentioned letter
Number measurement apparatus.As shown in fig. 7, the signal measurement method includes：
Step 201, control signal generator circuit send preset signals.
Preset signals herein can be sine wave, square wave or pulse signal that signal generator sends etc..Herein,
In order that the result that measures of measuring circuit is more accurate, it is necessary to according to the different structure at sound end coil circuit, select
Select suitable signal frequency.
The second coupling coil in the first coupling coil and signal generator circuit in step 202, control probe circuit
Coupled.
Step 203, the voltage monitoring end according to measuring circuit, obtain the voltage letter detected by voltage monitoring end in real time
Number.
Step 204, the type popped one's head according to belonging to voltage signal judges probe circuit.
Herein, as shown in Fig. 2 when sound end coil circuit includes a load resistance, the two ends of load resistance and first
When coupling coil two ends connect, the probe type list for pre-setting can be obtained；Record has each in probe type list
Plant probe type and the magnitude of voltage of its corresponding voltage signal；Afterwards, the magnitude of voltage of acquisition voltage signal, and according to
Magnitude of voltage inquires about the corresponding probe type of magnitude of voltage in probe type list.
For example, record has the probe type to have type one, type two, type three in probe type list；These three classes
The magnitude of voltage that the probe of type can distinguish corresponding voltage signal is 1V to 2V, 2V to 3V and 3V to 4V.The spy
Head list of types can be configured by way of the parameter of configuration register.
Sound end coil circuit in step 205, control probe circuit carries out deliberate action, to cause voltage monitoring end
Detected voltage signal changes, and generates voltage signal change information.
Deliberate action herein can be as shown in figure 3, the sliding end of control variable resistor enters line slip.Can also be
As shown in figure 4, regulation variable capacitance.Or can also be as shown in Figure 5, key switch is closed.Or
It is the different resistance as shown in fig. 6, in the multiple load resistances of moved end connection of control variable connector structure.Due to probe
Resistance value in end-coil circuit is changed due to above-mentioned deliberate action, and being coupled to signal by coupling coil occurs
Device circuit, so that the voltage signal detected by voltage monitoring end changes.
Step 206, according to voltage signal change information, oscillograph is controlled.
Herein, according to voltage signal change information, the oscillograph control that can be obtained and pre-set is controlled to oscillograph
System strategy；The oscillograph control strategy for pre-setting includes that each oscillograph control action and its corresponding voltage signal change
Information；Afterwards, according to voltage signal change information, voltage signal change information pair is obtained in oscillograph control strategy
The oscillograph control action answered；Oscillograph control action is carried out to oscillograph.
For example, when voltage is increased continuously to 2V from 1V, the vertical gear of oscillograph from -5V/DIV can be adjusted
It is continuously regulated to+5V/DIV.Additionally, oscillograph control action also has a lot, such as auto zero, automatic measurement etc.,
But it is not limited solely to this.
A kind of signal measurement method provided in an embodiment of the present invention, can send default by control signal generator circuit
Signal；And then the first coupling coil in control probe circuit is carried out with the second coupling coil in signal generator circuit
Coupling；So as to the voltage monitoring end according to measuring circuit, the voltage signal detected by voltage monitoring end is obtained in real time；
And then the type popped one's head according to belonging to voltage signal judges probe circuit；And control the probe end-coil in probe circuit electric
Road carries out deliberate action, and to cause that the voltage signal detected by voltage monitoring end changes, generation voltage signal becomes
Change information；So as to according to voltage signal change information, be controlled to oscillograph.It can be seen that, the present invention is it is determined that probe
During type, without probe is connected by flexible terminal with oscillograph, but by the way of coil coupling, it is to avoid
Terminal is contacted with oscillograph and easily produces wrong voltage value, the problem for causing probe identification inaccurate.Meanwhile, by this
Signal measurement apparatus can also realize the control to oscillograph.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer journey
Sequence product.Therefore, the present invention can use complete hardware embodiment, complete software embodiment or combine software and hardware
The form of the embodiment of aspect.And, the present invention can be used and wherein include computer available programs at one or more
The computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of code
The form of the computer program product of upper implementation.
The present invention is the stream with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Journey figure and/or block diagram are described.It should be understood that during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in each flow and/or square frame and flow chart and/or block diagram.These can be provided
Computer program instructions set to the treatment of all-purpose computer, special-purpose computer, Embedded Processor or other programmable datas
Standby processor is producing a machine so that held by the processor of computer or other programmable data processing devices
Capable instruction is produced for realizing in one flow of flow chart or multiple flow and/or block diagram one square frame or multiple side
The device of the function of being specified in frame.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one flow of flow chart or multiple flows and/or block diagram one
The function of being specified in individual square frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as to calculate
The instruction performed on machine or other programmable devices provide for realizing in one flow of flow chart or multiple flow and/or
The step of function of being specified in one square frame of block diagram or multiple square frames.
Apply specific embodiment in the present invention to be set forth principle of the invention and implementation method, above example
Explanation be only intended to help and understand the method for the present invention and its core concept；Simultaneously for the general technology of this area
Personnel, according to thought of the invention, will change in specific embodiments and applications, in sum,
This specification content should not be construed as limiting the invention.
Claims (12)
1. a kind of signal measurement apparatus, it is characterised in that including：Probe circuit, signal generator circuit, measurement
Circuit and oscillograph control circuit；
The probe circuit includes the first coupling coil, sound end coil circuit, first coupling coil and the spy
Head end coil circuit is connected；
The signal generator circuit includes signal generator, resistance Rs and the second coupling coil；The signal hair
One end ground connection of raw device, the other end of the signal generator is connected with one end of the resistance Rs；The resistance Rs
The other end be connected with one end of second coupling coil；The other end ground connection of second coupling coil；
First coupling coil and the second coupling coil cooperate, and are coupled；
The voltage monitoring end of the measuring circuit connects the other end and second coupling coil of the resistance Rs
One end；
The output end of the measuring circuit is connected with oscillograph control circuit.
2. signal measurement apparatus according to claim 1, it is characterised in that the sound end coil circuit bag
A load resistance is included, the two ends of the load resistance are connected with the first coupling coil two ends.
3. signal measurement apparatus according to claim 1, it is characterised in that the sound end coil circuit bag
A variable resistor is included, one end of the variable resistor is connected with one end of first coupling coil；The variable resistor
Sliding end be connected with the other end of first coupling coil.
4. signal measurement apparatus according to claim 1, it is characterised in that the sound end coil circuit bag
Include a load resistance and a tunable capacitor；The load resistance is connected in described first in parallel and couples with the tunable capacitor
The two ends of coil.
5. signal measurement apparatus according to claim 1, it is characterised in that the sound end coil circuit bag
Include a load resistance and a key switch；The key switch is connected in described first in parallel and couples with the load resistance
The two ends of coil.
6. signal measurement apparatus according to claim 1, it is characterised in that the sound end coil circuit bag
Include a variable connector structure；The not moved end of the variable connector structure is connected with one end of first coupling coil；Institute
Stating the moved end of variable connector structure includes multiple load resistances；Opened as the multichannel one end of the multiple load resistance
The moved end of structure is closed, the other end of the multiple load resistance connects the other end of first coupling coil jointly.
7. a kind of signal measurement method, it is characterised in that be applied to the signal measurement apparatus described in claim 1；
Methods described includes：
Control signal generator circuit sends preset signals；
The first coupling coil in control probe circuit is coupled with the second coupling coil in signal generator circuit；
Voltage monitoring end according to the measuring circuit, obtains the voltage letter detected by the voltage monitoring end in real time
Number；
The type popped one's head according to belonging to the voltage signal judges the probe circuit；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information；
According to the voltage signal change information, the oscillograph is controlled.
8. signal measurement method according to claim 7, it is characterised in that the sound end coil circuit bag
A load resistance is included, the two ends of the load resistance are connected with the first coupling coil two ends；
The type popped one's head according to belonging to the voltage signal judges the probe circuit, including：
The probe type list that acquisition pre-sets；In the probe type list record have various probe types and its
The magnitude of voltage of corresponding voltage signal；
The magnitude of voltage of the voltage signal is obtained, and according to the magnitude of voltage is inquired about in the probe type list
The corresponding probe type of magnitude of voltage.
9. signal measurement method according to claim 7, it is characterised in that the sound end coil circuit bag
A variable resistor is included, one end of the variable resistor is connected with one end of first coupling coil；The variable resistor
Sliding end be connected with the other end of first coupling coil；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
The sliding end of the variable resistor is controlled to enter line slip, to cause that the voltage detected by the voltage monitoring end is believed
Number change, generation voltage signal change letter；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
10. signal measurement method according to claim 7, it is characterised in that the sound end coil circuit bag
Include a load resistance and a tunable capacitor；The load resistance is connected in described first in parallel and couples with the tunable capacitor
The two ends of coil
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
The variable capacitance is adjusted, to cause that the voltage signal detected by the voltage monitoring end changes, is generated
Voltage signal change letter；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
11. signal measurement methods according to claim 7, it is characterised in that the sound end coil circuit bag
Include a load resistance and a key switch；The key switch is connected in described first in parallel and couples with the load resistance
The two ends of coil；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
By key switch closure, to cause that the voltage signal detected by the voltage monitoring end changes, life
Change into voltage signal and believe；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
12. signal measurement methods according to claim 7, it is characterised in that the sound end coil circuit bag
Include a variable connector structure；The not moved end of the variable connector structure is connected with one end of first coupling coil；Institute
Stating the moved end of variable connector structure includes multiple load resistances；Opened as the multichannel one end of the multiple load resistance
The moved end of structure is closed, the other end of the multiple load resistance connects the other end of first coupling coil jointly；
Sound end coil circuit in control probe circuit carries out deliberate action, to cause that the voltage monitoring end is detected
To voltage signal change, generate voltage signal change information, including：
The different resistance in the multiple load resistances of moved end connection are controlled, to cause detected by the voltage monitoring end
Voltage signal change, generation voltage signal change letter；
According to the voltage signal change information, the oscillograph is controlled, including：
The oscillograph control strategy that acquisition pre-sets；The oscillograph control strategy for pre-setting includes each oscillograph
Control action and its corresponding voltage signal change information；
According to the voltage signal change information, the voltage signal change letter is obtained in the oscillograph control strategy
Cease corresponding oscillograph control action；
The oscillograph control action is carried out to the oscillograph.
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