CN103954208A - Inductive transducer signal processing system - Google Patents
Inductive transducer signal processing system Download PDFInfo
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- CN103954208A CN103954208A CN201410152456.XA CN201410152456A CN103954208A CN 103954208 A CN103954208 A CN 103954208A CN 201410152456 A CN201410152456 A CN 201410152456A CN 103954208 A CN103954208 A CN 103954208A
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- 238000012545 processing Methods 0.000 title claims abstract description 33
- 230000001939 inductive effect Effects 0.000 title abstract 5
- 230000003321 amplification Effects 0.000 claims abstract description 35
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 35
- 238000005086 pumping Methods 0.000 claims abstract description 26
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 43
- 229910000679 solder Inorganic materials 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
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Abstract
Disclosed is an inductive transducer signal processing system. A traditional transducer is small in linear measurement range and is low in accuracy. The inductive transducer signal processing system comprises a driving plate, a voltage zero point adjustment resistor (6), a voltage amplification factor adjustment resistor (11), a polarity protection diode (9), a driving plate positioning hole (10), a green power supply indication light-emitting diode (7) and a red power supply indication light-emitting diode (8) are arranged on the driving plate, a five-core interface (4), a pumping signal generation and processing circuit (3), a backward signal amplification circuit (5), a voltage amplification signal circuit (2) and an output interface (1) are arranged on the driving plate, the pumping signal generation and processing circuit is connected with the five-core interface, the pumping signal generation and processing circuit is connected with the backward signal amplification circuit, the backward signal amplification circuit is connected with the five-core interface, the pumping signal generation and processing circuit is connected with the voltage amplification signal circuit, and the voltage amplification signal circuit is connected with the output interface. The inductive transducer signal processing system is applied to an inductive transducer signal processor.
Description
technical field:
the present invention relates to a kind of inductance sensor signal processor.
background technology:
maturation development along with sensor technology, sensor has been widely used in various measurement mechanisms, little in a lot of measurement mechanism neutral line measurement ranges, precision is not high, can not meet the requirement of technology in measuring process, and traditional inductance sensor signal processing system can not constantly be converted into voltage signal by measured value, and in measuring process complex operation, measure out of true, gear measuring center is multi-shaft interlocked high precision measuring instrument, the high-precision gauge head of apparatus preparation.When instrument is normally worked, inductance sensor signal processing system not section measured value is converted into voltage signal, voltage signal after conversion is gathered and is transferred to by data collecting card on main control computer, finally on display, demonstrates parameter and the curve of various gears or cutter.
summary of the invention:
the object of this invention is to provide a kind of inductance sensor signal processor.
above-mentioned object realizes by following technical scheme:
a kind of inductance sensor signal processor; its composition comprises: drive plate; on described drive plate, there is point of zero voltage regulating resistance, voltage amplification factor regulating resistance, polarity protection diode, drive plate pilot hole, green power supply indication light diode, red power supply indication light diode, drive plate on comprise five core interfaces, pumping signal generation and treatment circuit, return signal amplifying circuit, voltage amplification signalcircuit
, output interface, described pumping signal generation is connected with five core interfaces with treatment circuit, described pumping signal generation is connected with return signal amplifying circuit with treatment circuit, described return signal amplifying circuit is connected with five core interfaces, described pumping signal generation and treatment circuit and voltage amplification signalcircuit
connect described voltage amplification signalcircuit
be connected with output interface.
described inductance sensor signal processor, five described core interfaces are A_SIN, A_COS, A_IN, PGND, AGND input pin, described pumping signal produces and is connected main process chip with treatment circuit, described main process chip is AD698, described return signal amplifying circuit connects return signal amplification chip OP27GS, and described voltage amplification signal circuit connects voltage amplification chip AD711.
described inductance sensor signal processor, described signal A_SIN, A_COS is the sinusoidal signal of difference 10KHz, described return signal amplifying circuit connects A_IN pin on gauge head interface.
described inductance sensor signal processor and method, the method comprises the steps:
(1) gauge head five core sockets are connected with signal-processing board;
(2) symmetrical and amplification regulates;
(3) ground connection and LED lamp;
(4) D1 interface pin explanation;
(5) gauge head pumping signal and feedback signal.
described inductance sensor signal processor and method, described step (1) gauge head five core sockets and signal-processing board method of attachment are gauge head five core print seat 1 pin → signal-processing board A_SIN solder joints, gauge head five core print seat 2 pin → signal-processing board AGND solder joints, gauge head five core print seat 3 pin → signal-processing board A_IN solder joints, gauge head five core print seat 5 pin → signal-processing board A_COS solder joints, gauge head five core print seat 4 pin are unsettled, gauge head five core print seat metal shell ground connection.
described inductance sensor signal processor and method, described step (2) method symmetrical and that amplification regulates is to connect positive-negative power and ground, 2 pin that the positive test pencil of multimeter (voltage gear) are connected on to D1 interface, negative test pencil ground connection, moves respectively gauge head to positive and negative maximum two directions, whether the voltage of checking multimeter is symmetrical, if asymmetric, regulate variable resistor B1 to make it symmetrical, allow gauge head keep unsettled, regulate variable resistor B2, make 2 pin voltages of D1 interface be-3.45V.
described inductance sensor signal processor and method, the method for described step (3) ground connection and LED lamp is signal-processing board outer metallic shell ground connection, two of casing sides LED is normally bright, the red positive supply that represents, the green negative supply that represents.
described inductance sensor signal processor and method, described step (4) D1 interface pin illustration method is 1,6 pin negative supplies of D1 interface, 5,9 pin positive supplies, 3,7 pin ground, 2 pin signal outputs, 4,8 pin are empty.
described inductance sensor signal processor and method, the method of described step (5) gauge head pumping signal and feedback signal is to have 10KHz peak-to-peak value to be about the sinusoidal signal of 4.8V on A_SIN and A_COS solder joint, A_SIN and A_COS solder joint signal phase differ 180 degree (available oscillograph detection), A_IN solder joint has the 10KHz sinusoidal signal (available oscillograph detection) after excitation is fed back by gauge head, amplitude is smaller, and normal amplitude is stirred with gauge head and changed.
beneficial effect of the present invention:
1. the present invention can be converted into voltage signal by the length value of measurement, for instrument, measured workpiece is measured.
gear measuring center of the present invention is multi-shaft interlocked high precision measuring instrument, the high-precision gauge head of apparatus preparation, when instrument is normally worked, inductance sensor signal processing system not section measured value is converted into voltage signal, voltage signal after conversion is gathered and is transferred to by data collecting card on main control computer, finally on display, demonstrates parameter and the curve of various gears or cutter.
the present invention adopts diode as polarity protection, even if accomplish that error-polarity connection also can normally work.In addition this drive plate has working stability, the advantage such as low in energy consumption.
accompanying drawing explanation:
accompanying drawing 1 is the structural representation of invention.
accompanying drawing 2 is outside drawings of invention.
accompanying drawing 3 is that the pumping signal of invention produces and treatment circuit schematic diagram.
accompanying drawing 4 is output interface circuit schematic diagrams of invention.
accompanying drawing 5 is invention signal amplification circuit schematic diagrams.
embodiment:
embodiment 1:
a kind of inductance sensor signal processor; its composition comprises: drive plate; on described drive plate, there is point of zero voltage regulating resistance 6, voltage amplification factor regulating resistance 11, polarity protection diode 9, drive plate pilot hole 10, green power supply indication light diode 7, red power supply indication light diode 8, on described drive plate, comprise five core interfaces 4, pumping signal generation and treatment circuit 3, return signal amplifying circuit 5, voltage amplification signalcircuit
2, output interface 1, described pumping signal generation is connected with five core interfaces with treatment circuit, described pumping signal generation is connected with return signal amplifying circuit with treatment circuit, described return signal amplifying circuit is connected with five core interfaces, described pumping signal generation and treatment circuit and voltage amplification signalcircuit
connect described voltage amplification signalcircuit
be connected with output interface.
embodiment 2:
according to the inductance sensor signal processor of implementing described in 1, five described core interfaces are A_SIN, A_COS, A_IN, PGND, AGND input pin, described pumping signal produces and treatment circuit is controlled by main process chip, described main process chip is AD698, described return signal amplifying circuit is to be controlled by return signal amplification chip OP27GS, and described voltage amplification signal is to be controlled by voltage amplification chip AD711.
embodiment 3:
according to the inductance sensor signal processor described in embodiment 1 or 2, described signal A_SIN, A_COS is the sinusoidal signal of difference 10KHz, described output interface output analog voltage signal, described return signal amplifying circuit is the input of A_IN pin from gauge head interface.
embodiment 4:
according to inductance sensor signal processor and method described in embodiment 1 or 2 or 3, the method comprises the steps:
(1) gauge head five core sockets are connected with signal-processing board;
(2) symmetrical and amplification regulates;
(3) ground connection and LED lamp;
(4) D1 interface pin explanation;
(5) gauge head pumping signal and feedback signal.
embodiment 5:
according to 1 described in embodiment or 2 or 3 or 4 inductance sensor signal processor and methods, it is characterized in that: described step (1) gauge head five core sockets and signal-processing board method of attachment are gauge head five core print seat 1 pin → signal-processing board A_SIN solder joints, gauge head five core print seat 2 pin → signal-processing board AGND solder joints, gauge head five core print seat 3 pin → signal-processing board A_IN solder joints, gauge head five core print seat 5 pin → signal-processing board A_COS solder joints, gauge head five core print seat 4 pin are unsettled, gauge head five core print seat metal shell ground connection.
embodiment 6:
according to inductance sensor signal processor and the method described in embodiment 1 or 2 or 3 or 4 or 5, it is characterized in that: described step (2) method symmetrical and that amplification regulates is to connect positive-negative power and ground, the positive test pencil of multimeter (voltage gear) is connected on to 2 pin of D1 interface, negative test pencil ground connection, move respectively gauge head to positive and negative maximum two directions, whether the voltage of checking multimeter is symmetrical, if asymmetric, regulate variable resistor B1 to make it symmetrical, allow gauge head keep unsettled, regulate variable resistor B2, make 2 pin voltages of D1 interface be-3.45V.
embodiment 7:
according to inductance sensor signal processor and the method described in embodiment 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: the method for described step (3) ground connection and LED lamp is signal-processing board outer metallic shell ground connection, two of casing sides LED is normally bright, the red positive supply that represents, the green negative supply that represents.
embodiment 8:
according to inductance sensor signal processor and the method described in embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7, it is characterized in that: described step (4) D1 interface pin illustration method is 1,6 pin negative supplies of D1 interface 5,9 pin positive supplies, 3,7 pin ground, 2 pin signal outputs, 4,8 pin are empty.
embodiment 9:
according to inductance sensor signal processor and the method described in embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, it is characterized in that: the method for described step (5) gauge head pumping signal and feedback signal is to have 10KHz peak-to-peak value to be about the sinusoidal signal of 4.8V on A_SIN and A_COS solder joint, A_SIN and A_COS solder joint signal phase differ 180 degree (available oscillograph detection), A_IN solder joint has the 10KHz sinusoidal signal (available oscillograph detection) after excitation is fed back by gauge head, amplitude is smaller, and normal amplitude is stirred with gauge head and changed.
Claims (9)
1. an inductance sensor signal processor, its composition comprises: drive plate, it is characterized in that: on described drive plate, there is point of zero voltage regulating resistance, voltage amplification factor regulating resistance, polarity protection diode, drive plate pilot hole, green power supply indication light diode, red power supply indication light diode, drive plate on comprise five core interfaces, pumping signal produces and treatment circuit, return signal amplifying circuit, voltage amplification signal circuit, output interface, described pumping signal generation is connected with five core interfaces with treatment circuit, described pumping signal generation is connected with return signal amplifying circuit with treatment circuit, described return signal amplifying circuit is connected with five core interfaces, described pumping signal generation is connected with voltage amplification signal circuit with treatment circuit, described voltage amplification signal circuit is connected with output interface.
2. inductance sensor signal processor according to claim 1, it is characterized in that: five described core interfaces are A_SIN, A_COS, A_IN, PGND, AGND input pin, described pumping signal produces and is connected main process chip with treatment circuit, described main process chip is AD698, described return signal amplifying circuit connects return signal amplification chip OP27GS, and described voltage amplification signal circuit connects voltage amplification chip AD711.
3. inductance sensor signal processor according to claim 1 and 2, is characterized in that: described signal A_SIN, A_COS is the sinusoidal signal of difference 10KHz, and described return signal amplifying circuit connects A_IN pin on gauge head interface.
4. according to inductance sensor signal processor and method described in claim 1 or 2 or 3, it is characterized in that: the method comprises the steps:
(1) gauge head five core sockets are connected with signal-processing board;
(2) symmetrical and amplification regulates;
(3) ground connection and LED lamp;
(4) D1 interface pin arranges;
(5) gauge head pumping signal and feedback signal.
5. according to inductance sensor signal processor and method described in claim 1 or 2 or 3, it is characterized in that: described step (1) gauge head five core sockets and signal-processing board method of attachment are gauge head five core print seat 1 pin → signal-processing board A_SIN solder joints, gauge head five core print seat 2 pin → signal-processing board AGND solder joints, gauge head five core print seat 3 pin → signal-processing board A_IN solder joints, gauge head five core print seat 5 pin → signal-processing board A_COS solder joints, gauge head five core print seat 4 pin are unsettled, gauge head five core print seat metal shell ground connection.
6. according to inductance sensor signal processor and method described in claim 1 or 2 or 3, it is characterized in that: described step (2) method symmetrical and that amplification regulates is to connect positive-negative power and ground, the positive test pencil of multimeter (voltage gear) is connected on to 2 pin of D1 interface, negative test pencil ground connection, move respectively gauge head to positive and negative maximum two directions, whether the voltage of checking multimeter is symmetrical, if asymmetric, regulate variable resistor B1 to make it symmetrical, allow gauge head keep unsettled, regulate variable resistor B2, make 2 pin voltages of D1 interface be-3.45V.
7. according to inductance sensor signal processor and method described in claim 1 or 2 or 3, it is characterized in that: the method for described step (3) ground connection and LED lamp is signal-processing board outer metallic shell ground connection, two of casing sides LED is normally bright, the red positive supply that represents, the green negative supply that represents.
8. according to inductance sensor signal processor and method described in claim 1 or 2 or 3, it is characterized in that: the setting of described step (4) D1 interface pin is 1,6 pin negative supplies of D1 interface 5,9 pin positive supplies, 3,7 pin ground, 2 pin signal outputs, 4,8 pin are empty.
9. according to inductance sensor signal processor and method described in claim 1 or 2 or 3, it is characterized in that: the method for described step (5) gauge head pumping signal and feedback signal is to have 10KHz peak-to-peak value to be about the sinusoidal signal of 4.8V on A_SIN and A_COS solder joint, A_SIN and A_COS solder joint signal phase differ 180 degree (available oscillograph detection), A_IN solder joint has the 10KHz sinusoidal signal after excitation is fed back by gauge head, amplitude is smaller, and normal amplitude is stirred with gauge head and changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152456.XA CN103954208A (en) | 2014-04-16 | 2014-04-16 | Inductive transducer signal processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152456.XA CN103954208A (en) | 2014-04-16 | 2014-04-16 | Inductive transducer signal processing system |
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| CN103954208A true CN103954208A (en) | 2014-07-30 |
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| CN201410152456.XA Pending CN103954208A (en) | 2014-04-16 | 2014-04-16 | Inductive transducer signal processing system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7786867B2 (en) * | 2002-09-23 | 2010-08-31 | Microstrain, Inc. | Remotely powered and remotely interrogated wireless digital sensor telemetry system |
| CN102768008A (en) * | 2012-07-23 | 2012-11-07 | 绍兴中轴自动化设备有限公司 | Conditioning circuit of linear variable differential transformer (LVDT) |
| CN203785619U (en) * | 2014-04-16 | 2014-08-20 | 哈尔滨量具刃具集团有限责任公司 | Inductive transducer signal processing system |
-
2014
- 2014-04-16 CN CN201410152456.XA patent/CN103954208A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7786867B2 (en) * | 2002-09-23 | 2010-08-31 | Microstrain, Inc. | Remotely powered and remotely interrogated wireless digital sensor telemetry system |
| CN102768008A (en) * | 2012-07-23 | 2012-11-07 | 绍兴中轴自动化设备有限公司 | Conditioning circuit of linear variable differential transformer (LVDT) |
| CN203785619U (en) * | 2014-04-16 | 2014-08-20 | 哈尔滨量具刃具集团有限责任公司 | Inductive transducer signal processing system |
Non-Patent Citations (2)
| Title |
|---|
| 刘春梅 等: "一种电感式位移传感器的电路系统设计", 《计测技术》 * |
| 张剀 等: "AD698解调的电感位移传感器性能提升", 《仪表技术与传感器》 * |
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Application publication date: 20140730 |