CN108732417A - Acquisition module applied to high voltage power supply - Google Patents
Acquisition module applied to high voltage power supply Download PDFInfo
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- CN108732417A CN108732417A CN201810608005.0A CN201810608005A CN108732417A CN 108732417 A CN108732417 A CN 108732417A CN 201810608005 A CN201810608005 A CN 201810608005A CN 108732417 A CN108732417 A CN 108732417A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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Abstract
The invention belongs to Acquisition Circuit fields, more particularly to a kind of acquisition module applied to high voltage power supply；A kind of its acquisition module applied to high voltage power supply, including signal transmission unit, voltage signal acquisition unit and current signal collecting unit；Signal transmission unit：The voltage and current signal that high voltage package exports is transferred to voltage signal acquisition unit and current signal collecting unit by the output end for connecting high voltage package；Voltage signal acquisition unit：It is connected with signal transmission unit, the voltage signal for acquiring signal transmission unit transmission；Current signal collecting unit：It is connected with signal transmission unit, the current signal for acquiring signal transmission unit transmission.The present invention provides a kind of new acquisition module applied to high voltage power supply, when the output end of high voltage package exports high level, resistance R1, resistance R2 are acquired the high level of output, and capacitance C1, capacitance C2 in parallel can high-frequency signal by when effective turning circuit so that circuit is simple.
Description
The invention belongs to Acquisition Circuit fields, more particularly to a kind of acquisition module applied to high voltage power supply.
Background technology
High voltage package, rectification of name are line output transformers, and also referred to as row packet or row become, and main function is to generate anode high voltage,
In addition it provides and focuses, accelerates, the roads grid Deng Ge voltage.Since high voltage package works in high temperature, high-frequency, high voltage, high current
State keeps high voltage package damage probability higher in addition the factors such as external ambient humidity or more dirt influence.Therefore, it is necessary to high voltage package
The high-voltage signal of output is acquired, the existing acquisition module applied to high voltage power supply for the acquisition of high voltage package output signal
The resistance of use is resistance to force down and needs multiple resistance of connecting, and acquisition precision is low, and stability is low.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of new acquisition module applied to high voltage power supply, high pressure should be applied to
The acquisition module stability of power supply is good, and sampling is more accurate.
Specific technical solution of the present invention is as follows：
The present invention provides a kind of acquisition module applied to high voltage power supply, the acquisition module packet applied to high voltage power supply
Include signal transmission unit, voltage signal acquisition unit and current signal collecting unit；
Signal transmission unit：The voltage and current signal that high voltage package exports is transferred to by the output end for connecting high voltage package
Voltage signal acquisition unit and current signal collecting unit；
Voltage signal acquisition unit：It is connected with signal transmission unit, the voltage letter for acquiring signal transmission unit transmission
Number；
Current signal collecting unit：It is connected with signal transmission unit, the electric current letter for acquiring signal transmission unit transmission
Number.
Further to improve, the signal transmission unit includes the connector XS1 for connecting high voltage package；The voltage letter
Number collecting unit includes resistance R1 and capacitance C1；The current signal collecting unit includes resistance R2 and capacitance C2；The resistance
The first end of R1 is connect with the first end of the capacitance C1, and is connected on 313 pins of connector XS1, the resistance R1's
Second end is connect with the second end of the capacitance C1, and is connected on 315 pins of connector XS1, and connection signal output end,
The first end of the resistance R2 is connect with the first end of the capacitance C2, and is connected on 315 pins of connector XS1, described
The second end of resistance R2 is connect with the second end of the capacitance C2, and connection signal output end.
Further to improve, the acquisition module applied to high voltage power supply further includes and voltage signal acquisition unit and electricity
The connected data storage cell of signal gathering unit is flowed, the data storage cell includes field-effect tube T1, field-effect tube T2, electricity
Hold C3 and capacitance C4；The grid G of the field-effect tube T1 connects the second end of the resistance R1, and source S connects the capacitance C3
First end, drain D connect with signal output end, the second end ground connection of the capacitance C3；The grid G of the field-effect tube T2 connects
The second end of the resistance R2 is connect, source S connects the first end of the capacitance C4, and drain D is connect with signal output end, the electricity
Hold the second end ground connection of C4.
It is further to improve, the data storage cell further include field-effect tube T3, field-effect tube T4, field-effect tube T5 and
Field-effect tube T6；The leakage of the source S of the field-effect tube T3, the grid G of the field-effect tube T4 and the field-effect tube T5
Pole D is both connected in the drain D of the field-effect tube T1, the drain electrode of the grid G of the field-effect tube T3, the field-effect tube T4
The source S of D and field-effect tube T6 are both connected in the drain D of the field-effect tube T2, the drain D of the field-effect tube T3 with
The source S of the field-effect tube T4 connects, the field-effect tube T5 grid Gs, the grid G of source S and the field-effect tube T, leakage
Pole D is both connected on power supply VCC.
Further to improve, the acquisition module applied to high voltage power supply further includes and voltage signal acquisition unit and electricity
The connected circuit protection unit of signal gathering unit is flowed, the circuit protection unit includes diode D1, diode D2, resistance
R3, resistance R4, the anode of the diode D1 are connected to the first end of the resistance R1, and cathode connects the first end of resistance R3,
The second end of resistance R3 connects output end, and the anode of the diode D2 is connected to the first end of the resistance R2, cathode connection
The second end of the first end of resistance R4, resistance R4 connects output end.
Further to improve, the acquisition module applied to high voltage power supply further includes and voltage signal acquisition unit and electricity
The connected switch control unit of signal gathering unit is flowed, the switch control unit includes triode Q1, triode Q2, resistance
R5, resistance R6, resistance R7 and resistance R8, the first end of the resistance R5 are connect with the first end of the resistance R1, second end with
The base stage b connections of triode Q1, the emitter e ground connection of the triode Q1, collector c connect the first end of the resistance R6,
The second end connection power supply VCC of the resistance R6；The first end of the resistance R7 is connect with the first end of the resistance R2, and second
End is connect with the base stage b of triode Q2, and the emitter e ground connection of the triode Q2, collector c connects the first of the resistance R8
End, the second end connection power supply VCC of the resistance R8.
Further to improve, the acquisition module applied to high voltage power supply further includes and voltage signal acquisition unit and electricity
The connected filter unit of signal gathering unit is flowed, the filter unit includes electrostatic protection chip, resistance R9-R13, capacitance C15
And diode D3, D4, the first end of the VCC pin of electrostatic protection chip, the first end of resistance R11 and capacitance C15 are all connected with
Power supply VCC, B pin connects the first end of the first end and resistance R13 of resistance R9, and A pins connect the second end of resistance R9, GND
Pin, the second end of resistance R10, the anode of diode D3, the anode of diode D4 and capacitance C15 second end be grounded,
The first end of the first end connection resistance R9 of resistance R10, the second end and resistance R12 of the second end connection resistance R9 of resistance R11
First end, the cathode of the second end connection diode D3 of resistance R12 and the second end of resistance R1, the cathode of diode D4 connect
The second end of connecting resistance R13 and the second end of resistance R2.
Further to improve, the acquisition module applied to high voltage power supply further includes and voltage signal acquisition unit and electricity
The connected collector unit of signal gathering unit is flowed, the collector unit includes microcontroller, resistance R28-R31, R34-R36, capacitance
C44-C45, C57-C62 and diode D20, D21, D27, D28,1 pin of microcontroller are separately connected the first of resistance R29
End, the first end of R30, the first end of capacitance C59, the second end of C61, the second end of C62, diode D21 cathode and D20
Anode, 3 pins be separately connected the first end of resistance R31, the second end of R28, the first end of capacitance C57, the second end of C44,
Second end, the cathode of diode D27 and the anode of D28 of C45,8 pins be separately connected the second end of resistance R30, R31
Two ends, the second end of C59, the second end of C57, the anode of diode D27 and D21 anode, the second end of capacitance C58 and electricity
The first end for hindering R28 is connected, and is connected to the first end of resistance R47, and the second end of C60 is connected with the second end of R29, and connects
In the first end of resistance R46.
Further to improve, the collector unit further includes optocoupler OC1, resistance R32, capacitance C46, C63, and the 1 of optocoupler OC1
Pin is connected by R32 with 6 pins of microcontroller, and 3 pins are connected with 10 pins of microcontroller, and 4 pins ground connection, 6 pins meet VCC
Power supply, 6 pins are also grounded by C63 and C46 in parallel, and 6 pins of microcontroller are connected to the second end of resistance R46.
Further to improve, the acquisition module applied to high voltage power supply further includes and voltage signal acquisition unit and electricity
The connected anti-tampering unit of signal gathering unit is flowed, the anti-tampering unit includes fuse FU, capacitance C25, filter, transformation
Device T and diode D8, D5, D6, D7, the first end of the fuse FU and the second end of capacitance C25 are all connected with the friendship of 220V
Galvanic electricity source, second end connect the first end of capacitance C25, the first end of the 1 pin connection capacitance C25 of filter, 2 pins connection electricity
Hold the second end of C25,3 pins connect 1 pin of transformer T, and 4 pins connect 2 pins of transformer T, the anode of diode D8
It is connected with the anode of diode D7, the cathode of diode D8 is separately connected the anode of diode D5 and 3 pins of transformer T, and two
The cathode of pole pipe D5 be separately connected the cathode of diode D6, the first end of resistance R1 and R2 first end, the sun of diode D6
Pole is separately connected the cathode of diode D7 and 4 pins of transformer T.
Beneficial effects of the present invention are as follows：
The present invention provides a kind of new acquisition module applied to high voltage power supply, when the output end of high voltage package exports high level
When, resistance R1, resistance R2 are acquired the high level of output, and capacitance C1, capacitance C2 in parallel can be logical in high-frequency signal
Out-of-date effective turning circuit so that circuit is simple, at low cost, and stability is good, and sampling is more accurate.
Description of the drawings
Fig. 1 is the circuit diagram for the acquisition module that embodiment 1 is applied to high voltage power supply；
Fig. 2 is the circuit diagram for the acquisition module that embodiment 2 is applied to high voltage power supply；
Fig. 3 is the circuit diagram for the acquisition module that embodiment 3 is applied to high voltage power supply；
Fig. 4 is the circuit diagram for the acquisition module that embodiment 4 is applied to high voltage power supply；
Fig. 5 is the circuit diagram for the acquisition module that embodiment 5 is applied to high voltage power supply；
Fig. 6 is the circuit diagram for the acquisition module that embodiment 6 is applied to high voltage power supply；
Fig. 7 is the circuit diagram for the acquisition module that embodiment 7 is applied to high voltage power supply；
Fig. 8 is the circuit diagram for the acquisition module that embodiment 8 is applied to high voltage power supply；
Fig. 9 is the circuit diagram for the acquisition module that embodiment 9 is applied to high voltage power supply.
Specific implementation mode
Invention is further described in detail with following embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The embodiment of the present invention 1 provides a kind of acquisition module applied to high voltage power supply, the adopting applied to high voltage power supply
It includes signal transmission unit, voltage signal acquisition unit and current signal collecting unit to collect module；
Signal transmission unit：The voltage and current signal that high voltage package exports is transferred to by the output end for connecting high voltage package
Voltage signal acquisition unit and current signal collecting unit；
Voltage signal acquisition unit：It is connected with signal transmission unit, the voltage letter for acquiring signal transmission unit transmission
Number；
Current signal collecting unit：It is connected with signal transmission unit, the electric current letter for acquiring signal transmission unit transmission
Number.
The signal transmission unit includes the connector XS1 for connecting high voltage package (belonging to the prior art, do not shown in figure)；
The voltage signal acquisition unit includes resistance R1 and capacitance C1；The current signal collecting unit includes resistance R2 and capacitance
C2。
In conjunction with Fig. 1, specifically connection is closed between each device of the acquisition module provided by the invention applied to high voltage power supply
System is as follows：The first end of the resistance R1 is connect with the first end of the capacitance C1, and is connected to 313 pins of connector XS1
On, the second end of the resistance R1 is connect with the second end of the capacitance C1, and is connected on 315 pins of connector XS 1,
And connection signal output end, the first end of the resistance R2 is connect with the first end of the capacitance C2, and is connected to connector XS1
315 pins on, the second end of the resistance R2 is connect with the second end of the capacitance C2, and connection signal output end.
The present invention provides a kind of new acquisition module applied to high voltage power supply, when the output end of high voltage package exports high level
When, resistance R1, resistance R2 are acquired the high level of output, and capacitance C1, capacitance C2 in parallel can be logical in high-frequency signal
Out-of-date effective turning circuit so that circuit is simple, at low cost, and stability is good, and sampling is more accurate.
Embodiment 2
The acquisition module applied to high voltage power supply that the embodiment of the present invention 2 provides is substantially the same manner as Example 1, different
It is, as shown in Fig. 2, the acquisition module applied to high voltage power supply further includes being adopted with voltage signal acquisition unit and current signal
Collect the connected data storage cell of unit, the data storage cell includes field-effect tube T1, field-effect tube T2, capacitance C3 and electricity
Hold C4；The grid G of the field-effect tube T1 connects the second end of the resistance R1, and source S connects the first end of the capacitance C3,
Drain D is connect with signal output end, the second end ground connection of the capacitance C3；The grid G of the field-effect tube T2 connects the electricity
The second end of R2 is hindered, source S connects the first end of the capacitance C4, and drain D is connect with signal output end, and the of the capacitance C4
Two ends are grounded.
In the present invention using field-effect tube T1, field-effect tube T2, capacitance C3, capacitance C4, realize the storage of data, in electricity
After resistance R1 and resistance R2 has acquired the high-voltage signal of high voltage package output, field-effect tube T1, field-effect tube T2 are respectively to the height of acquisition
Pressure signal is stored, and capacitance C3 and capacitance C4 then play filter action；The circuit can carry out the high-voltage signal of acquisition
Preferably storage avoids the high-voltage signal of acquisition from being lost before being transmitted to sampling module.
Embodiment 3
The acquisition module applied to high voltage power supply that the embodiment of the present invention 3 provides is substantially the same manner as Example 2, different
It is, as shown in figure 3, the data storage cell further includes field-effect tube T3, field-effect tube T4, field-effect tube T5 and field-effect tube
T6；The drain D of the source S of the field-effect tube T3, the grid G of the field-effect tube T4 and the field-effect tube T5 is all connected with
In the drain D of the field-effect tube T1, the grid G of the field-effect tube T3, the drain D of the field-effect tube T4 and field effect
Should the source S of pipe T6 be both connected in the drain D of the field-effect tube T2, drain D and the field of the field-effect tube T3 are imitated
Should pipe T4 source S connection, grid G, the drain D of the field-effect tube T5 grid Gs, source S and the field-effect tube T are all connected with
On power supply VCC.
The present invention is in order to further preferably store data, using field-effect tube T3, field-effect tube T4, field-effect tube T5
The circuit in embodiment 2 is protected with field-effect tube T6, avoids the storage that is unstable and influencing data of circuit.
Embodiment 4
The acquisition module applied to high voltage power supply that the embodiment of the present invention 4 provides is substantially the same manner as Example 1, different
It is, as shown in figure 4, the acquisition module applied to high voltage power supply further includes being adopted with voltage signal acquisition unit and current signal
Collecting the connected circuit protection unit of unit, the circuit protection unit includes diode D1, diode D2, resistance R3, resistance R4,
The anode of the diode D1 is connected to the first end of the resistance R1, and cathode connects the first end of resistance R3, and the of resistance R3
Two ends connect output end, and the anode of the diode D2 is connected to the first end of the resistance R2, and cathode connects the of resistance R4
The second end of one end, resistance R4 connects output end.
Diode D1, diode D2 are connected with resistance R1, resistance R2 respectively in the present invention, unidirectional using diode is led
Logical effect, protective resistance is not burnt out by high current, and the influence to chip is smaller, and resistance R3, resistance R4 can play current limliting
Effect, diode D1, diode D2 can be protected respectively, avoid electric current is excessive from burning out diode, and then can be more
Good plays a protective role to sample circuit so that the high-voltage signal of acquisition is more stablized, more accurately.
Embodiment 5
The acquisition module applied to high voltage power supply that the embodiment of the present invention 5 provides is substantially the same manner as Example 1, different
It is, as shown in figure 5, the acquisition module applied to high voltage power supply further includes being adopted with voltage signal acquisition unit and current signal
Collect the connected switch control unit of unit, the switch control unit include triode Q1, triode Q2, resistance R5, resistance R6,
Resistance R7 and resistance R8, the first end of the resistance R5 are connect with the first end of the resistance R1, and second end is with triode Q1's
Base stage b connections, the emitter e ground connection of the triode Q1, collector c connect the first end of the resistance R6, the resistance R6
Second end connection power supply VCC；The first end of the resistance R7 is connect with the first end of the resistance R2, second end and triode
The base stage b connections of Q2, the emitter e ground connection of the triode Q2, collector c connect the first end of the resistance R8, the electricity
Hinder the second end connection power supply VCC of R8.
Triode Q1 and resistance R5 and resistance R6 are composed in series switching circuit in the present invention, triode Q2 and resistance R7 and
Resistance R8's is composed in series another switching circuit, to realize the control to resistance R1 and resistance R2 gathered datas respectively, due to opening
Powered-down road alternately in the state of enablement and disablement and cut-off-conducting, can make the small power consumption of circuit, efficient so that the first electricity
The gathered data of resistance more fast and stable.
Embodiment 6
The acquisition module applied to high voltage power supply that the embodiment of the present invention 6 provides is substantially the same manner as Example 1, different
It is, as shown in fig. 6, the acquisition module applied to high voltage power supply further includes being adopted with voltage signal acquisition unit and current signal
Collect the connected filter unit of unit, the filter unit includes electrostatic protection chip, resistance R9-R13, capacitance C15 and two poles
The first end of pipe D3, D4, the VCC pin of electrostatic protection chip, the first end of resistance R11 and capacitance C15 are all connected with power supply VCC, B
Pin connects the first end of the first end and resistance R13 of resistance R9, and A pins connect the second end of resistance R9, GND pin, resistance
The second end of R10, the anode of diode D3, the anode of diode D4 and capacitance C15 second end be grounded, resistance R10's
First end connects the first end of resistance R9, and the second end of resistance R11 connects the first end of the second end and resistance R12 of resistance R9,
The cathode of the second end connection diode D3 of resistance R12 and the second end of resistance R1, the cathode connection resistance R13 of diode D4
Second end and resistance R2 second end.
Electrostatic protection chip (model AZRS3080) is for protection to circuit in the present invention, avoid sensitive circuit by
The influence of ESD can improve the protection to sensitive electronic components, and multiple resistance, capacitance play the role of filtering, can filter out electricity
Clutter in road；Resistance R9 is for suppressing signal source, and protection serial ports, R11 is pull-up resistor, and R10 is pull down resistor,
R12, R13 are current-limiting resistance, and D3, D4 protect rectified waveform, and C15 is power filter.
Embodiment 7
The acquisition module applied to high voltage power supply that the embodiment of the present invention 7 provides is substantially the same manner as Example 1, different
It is, as shown in fig. 7, the acquisition module applied to high voltage power supply further includes being adopted with voltage signal acquisition unit and current signal
Collect the connected collector unit of unit, the collector unit include microcontroller, resistance R28-R31, R34-R36, capacitance C44-C45,
C57-C62 and diode D20, D21, D27, D28,1 pin of microcontroller be separately connected the first end of resistance R29, R30
One end, the first end of capacitance C59, the second end of C61, the second end of C62, the cathode of diode D21 and D20 anode, 3 draw
Foot be separately connected the first end of resistance R31, the second end of R28, the first end of capacitance C57, the second end of C44, C45 second
It holds, the anode of the cathode of diode D27 and D28,8 pins are separately connected the second end of resistance R30, the second end of R31, C59
Second end, the second end of C57, the anode of diode D27 and D21 anode, the second end of capacitance C58 is with resistance R28's
First end is connected, and is connected to the first end of resistance R47, and the second end of C60 is connected with the second end of R29, and is connected to resistance
The first end of R46.
The signal that collection module is collected in the present invention is to be acquired to the voltage and current signal of high voltage package and divide shunting
Signal later；The optional model STC15W402AS of microcontroller；By microcontroller, treated that digital signal is defeated by 10 pins
Go out.The circuit of the stronger signal of the interference obtained from high voltage package through this embodiment is handled, is finally obtained precisely
Analog signals be transferred to microcontroller and handled, the signal for obtaining digital quantity is transmitted, and reliability is high, obtained data
Precisely, error is small, and signaling rate is fast, is widely portable to the monitoring part of high-voltage power-supply unit.
Embodiment 8
The acquisition module applied to high voltage power supply that the embodiment of the present invention 8 provides is substantially the same manner as Example 7, different
It is that, as shown in figure 8, the collector unit further includes optocoupler OC1, resistance R32, capacitance C46, C63,1 pin of optocoupler OC1 passes through
R32 is connected with 6 pins of microcontroller, and 3 pins are connected with 10 pins of microcontroller, and 4 pins ground connection, 6 pins connect VCC power supplies, and 6 draw
Foot is also grounded by C63 and C46 in parallel, and 6 pins of microcontroller are connected to the second end of resistance R46.
By optocoupler OC1, by microcontroller, treated that signal transmission is monitored to main control chip for setting in the present invention, can
To improve the Anti-Jamming of integrated circuit, stable power supply is provided for whole system, and ensures that output signal can be precisely fast
Speed is transmitted to main control chip.
Embodiment 9
The acquisition module applied to high voltage power supply that the embodiment of the present invention 9 provides is substantially the same manner as Example 1, different
It is, as shown in figure 9, the acquisition module applied to high voltage power supply further includes being adopted with voltage signal acquisition unit and current signal
Collect the connected anti-tampering unit of unit, the anti-tampering unit include fuse FU, capacitance C25, filter, transformer T and
Diode D8, D5, D6, D7, the first end of the fuse FU and the second end of capacitance C25 are all connected with the AC power of 220V,
Second end connects the first end of capacitance C25, the first end of the 1 pin connection capacitance C25 of filter, and 2 pins connect capacitance C25's
Second end, 3 pins connect 1 pin of transformer T, and 4 pins connect 2 pins of transformer T, the anode and diode of diode D8
The anode of D7 is connected, and the cathode of diode D8 is separately connected the anode of diode D5 and 3 pins of transformer T, diode D5's
Cathode be separately connected the cathode of diode D6, the first end of resistance R1 and R2 first end, the anode of diode D6 connects respectively
Connect the cathode of diode D7 and 4 pins of transformer T.
220v alternating currents export after fuse FU, filter capacitor C25, filter, transformer low successively in the present invention
Pressing alternating voltage, filter capacitor C25 is used to filter out clutter in alternating current, and filter is also the clutter filtered out in alternating current, and two
Pole pipe D8, D5, D6, D7 form rectifier bridge, and the alternating voltage of output is changed into DC voltage.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the scope of the present invention into
Row limits, and under the premise of not departing from design spirit of the present invention, those of ordinary skill in the art make technical scheme of the present invention
The various modifications gone out and improvement should all be fallen into the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of acquisition module applied to high voltage power supply, which is characterized in that the acquisition module packet applied to high voltage power supply
Include signal transmission unit, voltage signal acquisition unit and current signal collecting unit；
Signal transmission unit：The voltage and current signal that high voltage package exports is transferred to voltage by the output end for connecting high voltage package
Signal gathering unit and current signal collecting unit；
Voltage signal acquisition unit：It is connected with signal transmission unit, the voltage signal for acquiring signal transmission unit transmission；
Current signal collecting unit：It is connected with signal transmission unit, the current signal for acquiring signal transmission unit transmission.
2. the acquisition module according to claim 1 applied to high voltage power supply, which is characterized in that the signal transmission unit
Include the connector XS1 for connecting high voltage package；The voltage signal acquisition unit includes resistance R1 and capacitance C1；The electric current
Signal gathering unit includes resistance R2 and capacitance C2；The first end of the resistance R1 is connect with the first end of the capacitance C1, and
It is connected on 313 pins of connector XS1, the second end of the resistance R1 is connect with the second end of the capacitance C1, and is connected
On 315 pins of connector XS1, and connection signal output end, the first end of the resistance R2 and the first of the capacitance C2
End connection, and be connected on 315 pins of connector XS1, the second end of the resistance R2 and the second end of the capacitance C2 connect
It connects, and connection signal output end.
3. the acquisition module according to claim 2 applied to high voltage power supply, which is characterized in that described to be applied to high-voltage electricity
The acquisition module in source further includes the data storage cell being connected with voltage signal acquisition unit and current signal collecting unit, described
Data storage cell includes field-effect tube T1, field-effect tube T2, capacitance C3 and capacitance C4；The grid G of the field-effect tube T1 connects
The second end of the resistance R1 is connect, source S connects the first end of the capacitance C3, and drain D is connect with signal output end, the electricity
Hold the second end ground connection of C3；The grid G of the field-effect tube T2 connects the second end of the resistance R2, and source S connects the electricity
Hold the first end of C4, drain D is connect with signal output end, the second end ground connection of the capacitance C4.
4. the acquisition module according to claim 3 applied to high voltage power supply, which is characterized in that the data storage cell
Further include field-effect tube T3, field-effect tube T4, field-effect tube T5 and field-effect tube T6；It is the source S of the field-effect tube T3, described
The grid G of field-effect tube T4 and the drain D of the field-effect tube T5 are both connected in the drain D of the field-effect tube T1, institute
The grid G, the drain D of the field-effect tube T4 and the source S of field-effect tube T6 for stating field-effect tube T3 are both connected to the field
In the drain D of effect pipe T2, the drain D of the field-effect tube T3 is connect with the source S of the field-effect tube T4, the field-effect
Grid G, the drain D of pipe T5 grid Gs, source S and the field-effect tube T are both connected on power supply VCC.
5. the acquisition module according to claim 1 applied to high voltage power supply, which is characterized in that described to be applied to high-voltage electricity
The acquisition module in source further includes the circuit protection unit being connected with voltage signal acquisition unit and current signal collecting unit, described
Circuit protection unit include diode D1, diode D2, resistance R3, resistance R4, the diode D1 anode be connected to it is described
The first end of resistance R1, cathode connect the first end of resistance R3, and the second end of resistance R3 connects output end, the diode D2's
Anode is connected to the first end of the resistance R2, and cathode connects the first end of resistance R4, and the second end of resistance R4 connects output end.
6. the acquisition module according to claim 1 applied to high voltage power supply, which is characterized in that described to be applied to high-voltage electricity
The acquisition module in source further includes the switch control unit being connected with voltage signal acquisition unit and current signal collecting unit, described
Switch control unit includes the of triode Q1, triode Q2, resistance R5, resistance R6, resistance R7 and resistance R8, the resistance R5
One end is connect with the first end of the resistance R1, and second end is connect with the base stage b of triode Q1, the emitter of the triode Q1
E is grounded, and collector c connects the first end of the resistance R6, the second end connection power supply VCC of the resistance R6；The resistance R7
First end connect with the first end of the resistance R2, second end is connect with the base stage b of triode Q2, the hair of the triode Q2
Emitter-base bandgap grading e ground connection, collector c connect the first end of the resistance R8, the second end connection power supply VCC of the resistance R8.
7. the acquisition module according to claim 1 applied to high voltage power supply, which is characterized in that described to be applied to high-voltage electricity
The acquisition module in source further includes the filter unit being connected with voltage signal acquisition unit and current signal collecting unit, the filtering
Unit includes electrostatic protection chip, resistance R9-R13, capacitance C15 and diode D3, D4, the VCC pin of electrostatic protection chip,
The first end of resistance R11 and the first end of capacitance C15 are all connected with the first end and resistance of power supply VCC, B pin connection resistance R9
The first end of R13, A pins connect the second end of resistance R9, GND pin, the second end of resistance R10, the anode of diode D3, two
The anode of pole pipe D4 and the second end of capacitance C15 are grounded, the first end of the first end connection resistance R9 of resistance R10, resistance
The first end of the second end and resistance R12 of the second end connection resistance R9 of R11, the second end connection diode D3's of resistance R12
The second end of cathode and resistance R1, the second end of the cathode connection resistance R13 of diode D4 and the second end of resistance R2.
8. the acquisition module according to claim 1 applied to high voltage power supply, which is characterized in that described to be applied to high-voltage electricity
The acquisition module in source further includes the collector unit being connected with voltage signal acquisition unit and current signal collecting unit, the collection
Unit include microcontroller, resistance R28-R31, R34-R36, capacitance C44-C45, C57-C62 and diode D20, D21, D27,
D28,1 pin of microcontroller be separately connected the first end of resistance R29, the first end of R30, the first end of capacitance C59, C61
Two ends, the second end of C62, the cathode of diode D21 and D20 anode, 3 pins be separately connected resistance R31 first end,
The second end of R28, the first end of capacitance C57, the second end of C44, the second end of C45, the cathode of diode D27 and D28
Anode, 8 pins are separately connected the second end of resistance R30, the second end of R31, the second end of C59, the second end of C57, diode
The second end of the anode of D27 and the anode of D21, capacitance C58 is connected with the first end of resistance R28, and is connected to resistance R47's
First end, the second end of C60 are connected with the second end of R29, and are connected to the first end of resistance R46.
9. the acquisition module according to claim 8 applied to high voltage power supply, which is characterized in that the collector unit also wraps
Optocoupler OC1, resistance R32, capacitance C46, C63 are included, 1 pin of optocoupler OC1 is connected by R32 with 6 pins of microcontroller, 3 pins
It is connected with 10 pins of microcontroller, 4 pins ground connection, 6 pins connect VCC power supplies, and 6 pins are also grounded by C63 and C46 in parallel,
And 6 pins of microcontroller are connected to the second end of resistance R46.
10. the acquisition module according to claim 1 applied to high voltage power supply, which is characterized in that described to be applied to high pressure
The acquisition module of power supply further includes the anti-tampering unit being connected with voltage signal acquisition unit and current signal collecting unit, described
Anti-tampering unit includes fuse FU, capacitance C25, filter, transformer T and diode D8, D5, D6, D7, the fuse
The first end of FU and the second end of capacitance C25 are all connected with the AC power of 220V, and second end connects the first end of capacitance C25, filter
The first end of the 1 pin connection capacitance C25 of wave device, 2 pins connect the second end of capacitance C25, and the 1 of 3 pins connection transformer T draws
Foot, 4 pins connect 2 pins of transformer T, and the anode of diode D8 is connected with the anode of diode D7, the cathode of diode D8
Be separately connected the anode of diode D5 and 3 pins of transformer T, the cathode of diode D5 be separately connected the cathode of diode D6,
The first end of resistance R1 and the first end of R2, the anode of diode D6 be separately connected diode D7 cathode and transformer T 4
Pin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810608005.0A CN108732417A (en) | 2018-06-13 | 2018-06-13 | Acquisition module applied to high voltage power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810608005.0A CN108732417A (en) | 2018-06-13 | 2018-06-13 | Acquisition module applied to high voltage power supply |
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| US4922126A (en) * | 1987-04-01 | 1990-05-01 | Alcatel N.V. | Circuit for shaping a measurement-signal voltage into a square-wave signal |
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| CN102854375A (en) * | 2012-09-07 | 2013-01-02 | 哈尔滨工业大学 | High-speed voltage and current analog quantity acquisition system based on FPGA (field programmable gate array) |
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