CN207423358U - A kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot - Google Patents
A kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot Download PDFInfo
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- CN207423358U CN207423358U CN201721072623.5U CN201721072623U CN207423358U CN 207423358 U CN207423358 U CN 207423358U CN 201721072623 U CN201721072623 U CN 201721072623U CN 207423358 U CN207423358 U CN 207423358U
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Abstract
The utility model discloses three axis piezoelectric type integrated vibration transmitters in sensor field, including square three-dimensional coordinate shell, the groove for placing sensing assembly are offered on square three-dimensional coordinate shell, sensing assembly is provided in groove；Sensing assembly includes the pedestal being set in isolation cover, pedestal is machined with the support plate perpendicular to pedestal, bolt is provided in support plate, bolt periphery is arranged with bushing, the periphery of bushing is axially arranged with conductive sheet along bolt, crystal wafer, conductive sheet and mass block, the end thread of bolt is connected with stop nut, it is located in isolation cover above sensing assembly and is additionally provided with signal conditioning circuit, the connector being connected with signal conditioning circuit is additionally provided on square three-dimensional coordinate shell, the utility model is first by using accurate integrating circuit and anti-interference V/I conversion designs, the velocity voltage signal of sensor is converted into 4 20mA current signals of standard, improve output signal accuracy, real-time monitoring available for asynchronous machine on locomotive.
Description
Technical field
The utility model is related to a kind of velocity sensor, more particularly to a kind of three axis piezoelectric velocity sensors.
Background technology
The core of industrial automation is sensor, and each integral link of industrial production is required for sensor to be monitored, and
Control centre is given data feedback, is alarmed in advance when appearance is abnormal, to be prevented in time and to be safeguarded, ensures industrial production
It is normally carried out.
Piezoelectric velocity sensor is the survey for parameters such as measurement vibration, displacement, rotating speeds that piezoelectric principle is utilized to make
Measuring appratus, three axis piezoelectric velocity sensors can measure the vibration signal in three directions simultaneously, applied to power generation, steel, smelting
The measurement of the relevant mechanical equipment such as rotation and reciprocating motion in the industrial circles such as gold, chemical industry, track traffic.
At present, the signal for the three shaft speed sensors output that industry spot uses is voltage signal, in complicated industrial ring
Because various industrial electric noise jamming under border, the signal of sensor output has often been superimposed various dry when being transmitted to control centre
Signal is disturbed, data collection station is directly sent to and carries out analog-to-digital conversion, available accuracy and the linearity are greatly affected；In addition, work
Industry scene generally requires the signal of sensor output being transmitted by very long transmission line, and the resistance of transmission line can generate electricity
Pressure drop, then the signal of receiving terminal will generate error；In addition, industrial environment is complicated, scene ground connection often occur can not
By the problem of, the output signal of sensor will be unstable at this time, deviation occurs.
Utility model content
The purpose of this utility model is to provide a kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot,
Solve three shaft speed sensor output voltage signal serious interference of industry spot, voltage signal error is larger, signal transmission is unstable
The problem of determining so that the speed data detected is more reliable and more stable.
What the purpose of this utility model was realized in：A kind of three axis piezoelectric types integration vibration suitable for industry spot
Transmitter including square three-dimensional coordinate shell, offers respectively on the square three-dimensional coordinate shell along X-axis, Y-axis, Z-direction
The groove of sensing assembly is placed, is provided with sensing assembly in the groove, and sensing assembly is enclosed in the groove through isolation board
It is interior；The sensing assembly includes the pedestal being set in isolation cover, and the base central is machined with the support plate perpendicular to pedestal,
Bolt is provided through in the support plate, the partial symmetry that the bolt is located at support plate both sides is set, the bolt periphery
Bushing is arranged with, the periphery of the bushing is arranged with conductive sheet, crystal successively in the middle part of bolt along bolt is axial to bolt both ends
Piece, conductive sheet and mass block, the end thread of the bolt are connected with stop nut, are located at sensing assembly in the isolation cover
Top is additionally provided with the signal conditioning circuit of connection conductive sheet, is additionally provided with and the signal condition on square three-dimensional coordinate shell
The connector that circuit is connected.
As the further restriction of the utility model, the signal conditioning circuit includes：
Amplifying circuit, will be nursed one's health from the high impedance electric signal of sensing assembly into low-resistance antinoise signal, and enhanced processing；
Amplified exchange acceleration signal is changed into exchange speed signal by accurate Integral Transformation circuit；
Exchange speed signal is converted into direct current speed signal by ac-dc converter circuit；
Adjustment circuit is normalized, direct current speed signal is normalized to the direct current speed signal of outputting standard after adjustment；
The direct current speed signal of standard is converted into the current signal of standard, final output by voltage-current converter circuit.
As the further restriction of the utility model, high impedance charge that the amplifying circuit will be collected from sensing assembly
Signal condition is into low-impedance voltage signal and passes through operational amplifier enhanced processing, while low-frequency minimum frequency is opened up
Width stablizes low frequency characteristic, final output acceleration ac voltage signal；The precision Integral Transformation circuit utilizes the storage of capacitor
Energy characteristic and the accurate integrator of operational amplifier composition, realize same phase integral, acceleration ac voltage signal are converted into speed
Spend ac voltage signal output；It is double low to share TLV2262 for operational amplifier in the amplifying circuit and accurate Integral Transformation circuit
Operational amplifier is pressed, wherein, the output terminal of 1 foot of TLV2262 as amplifying circuit, through resistance R4, capacitance C1 and TLV2262
6 feet are connected, and 2 feet of TLV2262 connect one end of sensing assembly through resistance R2, and the other end of sensing assembly connects isolation cover, TLV2262
2 feet be also connected by resistance R3 with 1 foot, 4 feet of TLV2262 are connected on isolation cover, and 6 feet of TLV2262 are also through resistance R5
It is connected with 7 feet of TLV2262, the electrode points between resistance R4 and capacitance C1 are connected through capacitance C2 with 7 feet of TLV2262,
7 feet of TLV2262 are connected as the output terminal of accurate Integral Transformation circuit with ac-dc converter circuit input terminal.
As the further restriction of the utility model, the ac-dc converter circuit passes through speed ac voltage signal
The modular converter of LTC1967CMS8 precision spread bandwidth AC/DC changeover switch and peripheral circuit composition is converted into speed direct current
Press signal output；1 foot of LTC1967CMS8 is connected with 8 feet on isolation cover, and 2 feet of LTC1967CMS8 turn as alternating current-direct current
The input terminal of circuit is changed, 7 feet of TLV2262 are connect through capacitance C3, the 3 foot meridian capacitor C5 of LTC1967CMS8 connect LTC1967CMS8's
6 feet, the 5 foot meridian capacitor C4 of LTC1967CMS8 connect 6 feet of LTC1967CMS8, and 3 feet of LTC1967CMS8 and 5 feet are also as friendship
The output terminal of DC converting circuit.
As the further restriction of the utility model, the normalization adjustment circuit passes through speed d. c. voltage signal
The direct current of outputting standard after adjustment is normalized in the adjustment circuit of TLV2231 low voltage operational amplifiers and peripheral circuit composition
Voltage signal；1 foot of TLV2231 connects through resistance R9 5 feet of LTC1967CMS8 as the input terminal of normalization adjustment circuit,
3 feet of TLV2231 also serve as normalization adjustment circuit input terminal through resistance R8 connect capacitance C5 one end simultaneously with
6 feet of LTC1967CMS8 are connected, and 1 foot of TLV2231 also connects isolation cover through capacitance C6, and 2 feet of TLV2231 connect isolation cover,
4 feet of TLV2231 connect 3 feet of TLV2231 as the output terminal of normalization adjustment circuit through resistance R12 all the way, and another way is through electricity
Resistance R13 connects voltage-current converter circuit.
As the further restriction of the utility model, the voltage-current converter circuit leads to the d. c. voltage signal of standard
It crosses XTR115 and accurate electric current scaling and the current loop transmitter of output-current limitation function and peripheral circuit composition is provided
Conversion circuit is converted into the anti-interference DC current signals of 4-20mA of standard；1 foot of XTR115 meets TLV2262 through resistance R1 respectively
3 feet, connect through resistance R6 5 feet of TLV2262, LTC1967CMS8 met through resistance R7 2 feet, through capacitance C5 meet LTC1967CMS8
3 feet, 2 feet of XTR115 connect isolation cover as 3 feet of input terminal connection the resistance R13, XTR115 of voltage-current converter circuit,
4-20mA anti-interference DC current signal of 4 feet of XTR115 as output terminal outputting standard, 5 feet, 6 feet, 7 feet of XTR115
Triode is connect, 7 feet of XTR115 connect power supply as power input through diode D1, and 8 feet of XTR115 are as power output end
Connect 8 feet of 5 feet of TLV2231,7 feet of LTC1967CMS8, TLV2262 respectively, the resistance that 8 feet of XTR115 are also concatenated
R10, R11 connect 3 feet of TLV2231, and short circuit has capacitance C7 between 4 feet and 7 feet of XTR115, and the anode of the diode D1 connects electricity
Source, cathode connect 7 feet of XTR115, and the anode of diode also connects 4 feet of XTR115, capacitance by the capacitance C8 of series connection, capacitance C9
C8, the tie point of capacitance C9 are with connecing under shell.
As the further restriction of the utility model, the mass block periphery extends along bolt axial direction both sides, forms package
The bound edge of conductive sheet, crystal wafer and stop nut.
As the further restriction of the utility model, the bottom of the groove is provided with spacer, and the sensing assembly is set
It puts on spacer.
As the further restriction of the utility model, the square three-dimensional coordinate shell is divided into four pieces of small square structures, institute
It states on three pieces that X-axis, Y-axis, the groove in three directions of Z axis are opened in respectively in four pieces of small square structures, another piece of small side
Connector in shape structure is set, the wiring channel being connected with connector is offered in the groove.
Compared with prior art, the beneficial effects of the utility model are：The utility model is first by using precision product
The velocity voltage signal of sensor is converted into the 4-20mA current signals of standard by parallel circuit and anti-interference V/I conversion designs, with
Traditional product output voltage signal compares strong antijamming capability, and industry spot is suitble to transmit at a distance, and hundreds of meters of transmission will not be because
For line loss influence precision, three axis are independently opened using three independent position-sensing unit components, on component plus isolation cover solve X,
Y, the problem of signal interferes with each other between tri- axis of Z, adds amplitude limiter circuit, using resistance-capacitance absorption in signal conditioning circuit（I.e.
Overshoot signal by capacitance C8, capacitance C9 with being discharged under shell）, improve the damped coefficient of system, solve asking for overshoot
Topic；By controlling the insulation of position-sensing unit component, isolation cover, double-deck isolation are added on component（Distinguish in the top and bottom of groove
Isolation board and spacer are set）Design adjusts the distribution capacity of signal conditioning circuit, and output cable is using paired shield cable etc.
Method enhances the anti-electromagnetic interference capability of transmitter；Disturb shorted to earth virtual channel with being added in signal conditioning circuit
（That is isolation cover）, it is suppressed that interference effect caused by scene ground connection is unreliable；The utility model is using accurate integrated signal tune
Circuit is managed, improves output signal accuracy.The utility model can be used for the real-time monitoring of asynchronous machine on locomotive.
Description of the drawings
Fig. 1 is the utility model assembling schematic diagram.
Fig. 2 is sensing assembly structure diagram in the utility model.
Fig. 3 is signal conditioning circuit circuit diagram in the utility model.
Wherein, 1 isolation board, 2a, 2b spacer, 3 sensing assemblies, 3a pedestals, 3b isolation covers, 3c stop nuts, 3d bolts,
3e mass blocks, 3f conductive sheets, 3g bushings, 3h crystal wafers, 3i support plates, 3j signal conditioning circuits, 4 square three-dimensional coordinate shells,
4a grooves, 4b wiring channels, 5 connectors.
Specific embodiment
A kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot as shown in Figs. 1-3, including square
Three-dimensional coordinate shell 4 along X-axis, Y-axis, Z-direction offers on square three-dimensional coordinate shell 4 and places the recessed of sensing assembly 3 respectively
The bottom of slot 4a, groove 4a are provided with spacer 2b, and sensing assembly 3, and sensing assembly 3 are provided on spacer 2b in groove 4a
It is enclosed in through isolation board 1 in groove 4a；Sensing assembly 3 includes the pedestal 3a being set in isolation cover 3b, the top of isolation cover 3b
It is closed through spacer 2a, pedestal 3a centers are machined with the support plate 3i perpendicular to pedestal 3a, spiral shell is provided through on support plate 3i
The partial symmetry that bolt 3d, bolt 3d are located at support plate 3i both sides is set, and bolt 3d peripheries are arranged with bushing 3g, the periphery of bushing 3g
Along bolt 3d it is axial from the middle part of bolt 3d to bolt 3d both ends be arranged with successively conductive sheet 3f, crystal wafer 3h, conductive sheet 3f and
The end thread of mass block 3e, bolt 3d are connected with stop nut 3c, and mass block 3e peripheries extend along bolt 3d axial directions both sides, shape
Into the bound edge of package conductive sheet 3f, crystal wafer 3h and stop nut 3c, 3 top of sensing assembly is located in isolation cover 3b and is also set up
There is the signal conditioning circuit 3j of connection conductive sheet 3f, be additionally provided with and signal conditioning circuit 3j phases on square three-dimensional coordinate shell 4
Connector 5 even, square three-dimensional coordinate shell 4 are divided into four pieces of small square structures, X-axis, Y-axis, 4a points of the groove in three directions of Z axis
It is not opened on three pieces in four pieces of small square structures, connector 5 on another piece of small square structure is set, is offered in groove 4a
What is be connected with connector 5 does not believe passage 4b；
Signal conditioning circuit 3j includes：
Amplifying circuit, will be nursed one's health from the high impedance electric signal of sensing assembly 3 into low-resistance antinoise signal, and at amplification
Reason；Amplified exchange acceleration signal is changed into exchange speed signal by accurate Integral Transformation circuit；Amplifying circuit will be from quick
The high impedance charge signal that sense component 3 collects is nursed one's health into low-impedance voltage signal and passes through operational amplifier enhanced processing,
Low frequency characteristic, final output acceleration ac voltage signal are stablized into line broadening to low-frequency minimum frequency simultaneously；Precision integration turns
Accurate integrator of the circuit using the energy storage characteristic and operational amplifier composition of capacitor is changed, same phase integral is realized, by acceleration
Ac voltage signal is converted into the output of speed ac voltage signal；Operational amplifier in amplifying circuit and accurate Integral Transformation circuit
The double low voltage operational amplifiers of TLV2262 are shared, wherein, the output terminal of 1 foot of TLV2262 as amplifying circuit, through resistance R4, electricity
Hold C1 with 6 feet of TLV2262 to be connected, 2 feet of TLV2262 connect one end of sensing assembly 3 through resistance R2, sensing assembly 3 it is another
2 feet that end connects isolation cover 3b, TLV2262 are also connected by resistance R3 with 1 foot, and 4 feet of TLV2262 are connected on isolation cover 3b,
6 feet of TLV2262 are also connected through resistance R5 with 7 feet of TLV2262, the electrode points between resistance R4 and capacitance C1 through capacitance C2 with
7 feet of TLV2262 are connected, and 7 feet of TLV2262 are inputted as the output terminal of accurate Integral Transformation circuit with ac-dc converter circuit
End is connected；
Exchange speed signal is converted into direct current speed signal by ac-dc converter circuit, and ac-dc converter circuit is by speed
The modular converter that ac voltage signal is formed by LTC1967CMS8 precision spread bandwidth AC/DC changeover switch and peripheral circuit
It is converted into the output of speed d. c. voltage signal；1 foot of LTC1967CMS8 is connected with 8 feet on isolation cover 3b,
Input terminal of 2 feet of LTC1967CMS8 as ac-dc converter circuit meets 7 feet of TLV2262, LTC1967CMS8 through capacitance C3
3 foot meridian capacitor C5 connect 6 feet of LTC1967CMS8, the 5 foot meridian capacitor C4 of LTC1967CMS8 connect 6 feet of LTC1967CMS8,
Output terminal of 3 feet and 5 feet of LTC1967CMS8 also as ac-dc converter circuit；
Adjustment circuit is normalized, direct current speed signal is normalized to the direct current speed signal of outputting standard after adjustment,
Normalize the tune that adjustment circuit is made up of speed d. c. voltage signal TLV2231 low voltage operational amplifiers and peripheral circuit
The d. c. voltage signal of outputting standard after adjustment is normalized in whole circuit；1 foot of TLV2231 is as normalization adjustment circuit
Input terminal connects 5 feet of LTC1967CMS8 through resistance R9, and 3 feet of TLV2231 also serve as the input terminal of normalization adjustment circuit through electricity
Resistance R8 connects one end of capacitance C5 while is connected with 6 feet of LTC1967CMS8, and 1 foot of TLV2231 also connects isolation cover through capacitance C6
2 feet of 3b, TLV2231 connect 4 feet of isolation cover 3b, TLV2231 as the output terminal of normalization adjustment circuit all the way through resistance R12
3 feet of TLV2231 are connect, another way connects voltage-current converter circuit through resistance R13；
The direct current speed signal of standard is converted into the current signal of standard, final output, electricity by voltage-current converter circuit
Current voltage conversion circuit provides the d. c. voltage signal of standard to accurate electric current scaling and output-current limitation by XTR115
The conversion circuit of the current loop transmitter of function and peripheral circuit composition is converted into the anti-interference DC currents of 4-20mA of standard
Signal；1 foot of XTR115 connects 3 feet of TLV2262 through resistance R1 respectively, 5 feet of TLV2262 are connect through resistance R6, is connect through resistance R7
2 feet of LTC1967CMS8,3 feet that LTC1967CMS8 is met through capacitance C5,2 feet of XTR115 are as voltage-current converter circuit
3 feet of input terminal connection resistance R13, XTR115 connect 4-20mA of 4 feet of isolation cover 3b, XTR115 as output terminal outputting standard
Anti-interference DC current signal, 5 feet, 6 feet, 7 feet of XTR115 connect triode, and 7 feet of XTR115 are as power input through two
Pole pipe D1 connects power supply, 8 feet of XTR115 connect respectively as power output end 5 feet of TLV2231, LTC1967CMS8 7 feet,
8 feet of TLV2262, resistance R10, R11 that 8 feet of XTR115 are also concatenated connect 3 feet of TLV2231,4 feet and 7 feet of XTR115
Between short circuit have capacitance C7, the anode of diode D1 connects power supply, and cathode connects 7 feet of XTR115, and the anode of diode also passes through string
Capacitance C8, the capacitance C9 of connection connect 4 feet of XTR115, and capacitance C8, the tie point of capacitance C9 are with connecing under shell.
During utility model works, when the utility model, which is fixedly mounted on, experiences vibration on object being measured, three
The charge signal that sensor sensing part component generates, respectively by amplifying circuit, accurate Integral Transformation circuit, AC-DC conversion electricity
Road, normalization adjustment circuit and voltage-current converter circuit, the vibration that sensor is experienced are converted into the 4- of three standards
20mA current signals simultaneously export；When the utility model impression is to vibration, according to piezoelectric effect principle, X-axis, Y-axis, the sensitivity of Z axis
Component 3 generates charge, by signal conditioning circuit 3j, at 1. place voltage signal is taken to input, is exported 2. after enhanced processing, then
By accurate Integral Transformation circuit 3. acceleration signal is converted into speed signal, enters back into AC/DC changeover switch by alternating signal
It is converted into DC signal output 4., is exported 5. after being adjusted using normalization, finally, turned by anti-interference voltage current adapter
Change jamproof 4-20mA current signals output into 6..
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed in the utility model, this
The technical staff in field is not required performing creative labour special to some of which technology according to disclosed technology contents
Sign makes some and replaces and deform, these are replaced and deformation is within the protection scope of the present utility model.
Claims (9)
1. a kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot, which is characterized in that including square three-dimensional
Coordinate shell offers the groove for placing sensing assembly on the square three-dimensional coordinate shell respectively along X-axis, Y-axis, Z-direction,
Sensing assembly is provided in the groove, and sensing assembly is enclosed in through isolation board in the groove；The sensing assembly includes
The pedestal being set in isolation cover, the base central are machined with the support plate perpendicular to pedestal, run through in the support plate and set
Bolt is equipped with, the partial symmetry that the bolt is located at support plate both sides is set, and the bolt periphery is arranged with bushing, the bushing
Periphery be arranged with conductive sheet, crystal wafer, conductive sheet and mass block successively to bolt both ends in the middle part of bolt along bolt is axial,
The end thread of the bolt is connected with stop nut, is located in the isolation cover above sensing assembly and is additionally provided with connection sensitivity
The signal conditioning circuit of component is additionally provided with the connector being connected with the signal conditioning circuit on square three-dimensional coordinate shell.
2. a kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot according to claim 1, special
Sign is that the signal conditioning circuit includes：
Amplifying circuit, will be nursed one's health from the high impedance electric signal of sensing assembly into low-resistance antinoise signal, and enhanced processing；
Amplified exchange acceleration signal is changed into exchange speed signal by accurate Integral Transformation circuit；
Exchange speed signal is converted into direct current speed signal by ac-dc converter circuit；
Adjustment circuit is normalized, direct current speed signal is normalized to the direct current speed signal of outputting standard after adjustment；
The direct current speed signal of standard is converted into the current signal of standard, final output by voltage-current converter circuit.
3. a kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot according to claim 2, special
Sign is that the amplifying circuit nurses one's health the high impedance charge signal collected from sensing assembly into low-impedance voltage signal simultaneously
Stablize low frequency characteristic, final output acceleration into line broadening by operational amplifier enhanced processing, while to low-frequency minimum frequency
Ac voltage signal；The precision Integral Transformation circuit utilizes the energy storage characteristic of capacitor and the precision product of operational amplifier composition
Divide device, realize same phase integral, acceleration ac voltage signal is converted into the output of speed ac voltage signal；The amplifying circuit
The double low voltage operational amplifiers of TLV2262 are shared with operational amplifier in accurate Integral Transformation circuit, wherein, 1 foot of TLV2262 is made
For the output terminal of amplifying circuit, it is connected through resistance R4, capacitance C1 with 6 feet of TLV2262,2 feet of TLV2262 connect quick through resistance R2
Feel one end of component, the other end of sensing assembly connects isolation cover, and 2 feet of TLV2262 are also connected by resistance R3 with 1 foot,
4 feet of TLV2262 are connected on isolation cover, and 6 feet of TLV2262 are also connected through resistance R5 with 7 feet of TLV2262, resistance R4 with
Electrode points between capacitance C1 are connected through capacitance C2 with 7 feet of TLV2262, and 7 feet of TLV2262 are as accurate Integral Transformation circuit
Output terminal be connected with ac-dc converter circuit input terminal.
4. a kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot according to claim 3, special
Sign is that speed ac voltage signal is passed through LTC1967CMS8 precision spread bandwidth alternating current-direct currents by the ac-dc converter circuit
The modular converter of converter and peripheral circuit composition is converted into the output of speed d. c. voltage signal；1 foot of LTC1967CMS8 with
8 feet are connected on isolation cover, and the input terminal of 2 feet of LTC1967CMS8 as ac-dc converter circuit connects through capacitance C3
7 feet of TLV2262, the 3 foot meridian capacitor C5 of LTC1967CMS8 connect 6 feet of LTC1967CMS8, and 5 feet of LTC1967CMS8 are through electricity
Hold C4 and connect 6 feet of LTC1967CMS8, the output terminal of 3 feet and 5 feet of LTC1967CMS8 also as ac-dc converter circuit.
5. a kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot according to claim 4, special
Sign is that speed d. c. voltage signal is passed through TLV2231 low voltage operational amplifiers and periphery by the normalization adjustment circuit
The d. c. voltage signal of outputting standard after adjustment is normalized in the adjustment circuit of circuit composition；1 foot of TLV2231 is as normalizing
The input terminal for changing adjustment circuit connects 5 feet of LTC1967CMS8 through resistance R9, and 3 feet of TLV2231 also serve as normalization adjustment circuit
Input terminal one end of capacitance C5 connect through resistance R8 be connected simultaneously with 6 feet of LTC1967CMS8,1 foot of TLV2231 is also through capacitance
C6 connects isolation cover, and 2 feet of TLV2231 connect isolation cover, and 4 feet of TLV2231 pass through all the way as the output terminal of normalization adjustment circuit
Resistance R12 connects 3 feet of TLV2231, and another way connects voltage-current converter circuit through resistance R13.
6. a kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot according to claim 5, special
Sign is, the voltage-current converter circuit by the d. c. voltage signal of standard by XTR115 provide accurate electric current scaling and
The 4-20mA that the conversion circuit that the current loop transmitter of output-current limitation function is formed with peripheral circuit is converted into standard resists
Disturb DC current signal；1 foot of XTR115 connects 3 feet of TLV2262 through resistance R1 respectively, the 5 of TLV2262 is connect through resistance R6
Foot, 2 feet that LTC1967CMS8 is met through resistance R7,3 feet for meeting through capacitance C5 LTC1967CMS8,2 feet of XTR115 are as voltage
3 feet of input terminal connection the resistance R13, XTR115 of current converter circuit connect isolation cover, and 4 feet of XTR115 are exported as output terminal
The anti-interference DC current signals of 4-20mA of standard, 5 feet, 6 feet, 7 feet of XTR115 connect triode, and 7 feet of XTR115 are as electricity
Source input terminal connects power supply through diode D1,8 feet of XTR115 connect respectively as power output end 5 feet of TLV2231,
7 feet of LTC1967CMS8,8 feet of TLV2262, resistance R10, R11 that 8 feet of XTR115 are also concatenated connect 3 feet of TLV2231,
The anode that short circuit has capacitance C7, the diode D1 between 4 feet and 7 feet of XTR115 connects power supply, and cathode connects 7 feet of XTR115,
The anode of diode also connects 4 feet of XTR115 by the capacitance C8 of series connection, capacitance C9, and capacitance C8, the tie point of capacitance C9 connect outer
Under shell.
7. a kind of three axis piezoelectric types integration vibration suitable for industry spot according to any one of claim 1-6 becomes
Send device, which is characterized in that the mass block periphery extends along bolt axial direction both sides, forms package conductive sheet, crystal wafer and limit
The bound edge of position nut.
8. a kind of three axis piezoelectric types integration vibration suitable for industry spot according to any one of claim 1-6 becomes
Send device, which is characterized in that the bottom of the groove is provided with spacer, and the sensing assembly is arranged on spacer.
9. a kind of three axis piezoelectric types integration vibration suitable for industry spot according to any one of claim 1-6 becomes
Send device, which is characterized in that the square three-dimensional coordinate shell is divided into four pieces of small square structures, three X-axis, Y-axis, Z axis sides
To groove be opened in respectively on three pieces in four pieces of small square structures, connector is set on another piece of small square structure,
The wiring channel being connected with connector is offered in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072623.5U CN207423358U (en) | 2017-08-25 | 2017-08-25 | A kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072623.5U CN207423358U (en) | 2017-08-25 | 2017-08-25 | A kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423358U true CN207423358U (en) | 2018-05-29 |
Family
ID=62315217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721072623.5U Withdrawn - After Issue CN207423358U (en) | 2017-08-25 | 2017-08-25 | A kind of three axis piezoelectric type integrated vibration transmitters suitable for industry spot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449507A (en) * | 2017-08-25 | 2017-12-08 | 扬州熙源电子科技有限公司 | A kind of three axle piezoelectric type integrated vibration transmitters suitable for industry spot |
-
2017
- 2017-08-25 CN CN201721072623.5U patent/CN207423358U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449507A (en) * | 2017-08-25 | 2017-12-08 | 扬州熙源电子科技有限公司 | A kind of three axle piezoelectric type integrated vibration transmitters suitable for industry spot |
| CN107449507B (en) * | 2017-08-25 | 2023-07-18 | 扬州熙源电子科技有限公司 | Triaxial piezoelectric type integrated vibration transmitter suitable for industrial field |
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