CN204740258U - Electronic round of tipper yaw velocity multiple spot measuring device - Google Patents
Electronic round of tipper yaw velocity multiple spot measuring device Download PDFInfo
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- CN204740258U CN204740258U CN201520442991.9U CN201520442991U CN204740258U CN 204740258 U CN204740258 U CN 204740258U CN 201520442991 U CN201520442991 U CN 201520442991U CN 204740258 U CN204740258 U CN 204740258U
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Abstract
The utility model provides an electronic round of tipper yaw velocity multiple spot measuring device is become by first measurement and send module, second measurement change to send module, third measurement change to send the module to constitute, and different measurement changes send the module to install in vehicle difference positions. First measurement becomes send module and second to measure to become and send the module to convert measuring angular speed value to the 4 -20mA electric current respectively to deliver to the third and measure to become and send the module, and the third is measured to become and is sent the module to become the angular speed change of sending module measuring angular speed average value to convert 4 -20mA to with three measurement to send current output. Measuring device both can be used for electronic round of tipper yaw velocity's measurement, also can be used for other cars yaw velocity's measurement.
Description
Technical field
The utility model relates to a kind of measurement mechanism, especially a kind of electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus.
Background technology
Electric power wheel self-discharging vehicle faces severe road conditions in travelling usually, and vehicle jolts, and Oscillation Amplitude is large.Existing automobile yaw velocity transmitter adopts single-sensor to measure yaw velocity, and the disturbing effect by automobile vibration is large.If when requiring comprehensive multiple sensor signal, need carry out intelligent processing method, circuit is complicated, and cost is high.
Summary of the invention
The purpose of this utility model aims to provide that a kind of working stability, anti-vibration ability are strong, the electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus of failure rate is low.
The technical scheme that the utility model is taked is: a kind of electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus, measures transmitting module, the 3rd measurement transmitting module forms by the first measurement transmitting module, second.Measured magnitude of angular velocity is converted to 4-20mA electric current and delivers to the 3rd measurement transmitting module by the first measurement transmitting module and the second measurement transmitting module respectively, and the 3rd measures the angular velocity change power transmission stream output that the angular velocity mean value of three measurement transmitting modules measurement is converted to 4-20mA by transmitting module.
Described first measures transmitting module is made up of the first power supply unit, the first measuring unit, the first transducing unit.
The input power of described first power supply unit is automobile power source, and direct supply is measured in output first and direct supply is sent in the first change; Automobile power source, first measures direct supply, mutual electrical isolation between direct supply three is sent in the first change.
Described first measuring unit is made up of the first angular-rate sensor and peripheral circuit thereof; Be provided with the first angular velocity voltage end of output; The power positive end of the first angular-rate sensor is connected to the first measurement direct supply anode, and power supply ground end is connected to the first measurement direct supply negative terminal; The angular velocity output terminal of the first angular-rate sensor is the first angular velocity voltage end.
Described first transducing unit by the first electric current transmission circuit and first input change-over circuit form, be provided with the first angular velocity voltage input end and first become send current terminal.
Described first ER effect power transmission route first current transducer and triode V11, electric capacity C11 form, and the first input change-over circuit is made up of resistance R11, resistance R12.One end of resistance R11 is connected to the reference voltage output end of the first current transducer, and one end is connected to the current input terminal of the first current transducer in addition; One end of resistance R12 is the first angular velocity voltage input end and is connected to the first angular velocity voltage end, and one end is connected to the current input terminal of the first current transducer in addition; The input current return terminal of the first current transducer is connected to the first measurement direct supply negative terminal, and voltage input end is connected to the first change and send direct supply anode; The collector of triode V11, base stage, emitter are connected to voltage input end, base terminal, the emitter terminal of the first current transducer respectively; One end of electric capacity C11 is connected to the first change and send direct supply anode, and current output terminal is sent in the change that one end is connected to the first current transducer in addition.
Described first change is sent the anode of current terminal to be connected to the first current transducer change and is sent current output terminal, and negative terminal is connected to the first change and send direct supply negative terminal.
Described second measures transmitting module is made up of second source unit, the second measuring unit, the second transducing unit, and second source unit is powered to the second measuring unit, the second transducing unit.
Described 3rd measures transmitting module is made up of the 3rd power supply unit, the 3rd measuring unit, the 3rd transducing unit, and the 3rd power supply unit is powered to the 3rd measuring unit, the 3rd transducing unit.
Described second source unit is identical with the first power supply unit structure, and direct supply is measured in output second, direct supply is sent in the second change.
Described 3rd power supply unit is identical with the first power supply unit structure, and direct supply is measured in output the 3rd, direct supply is sent in the 3rd change.
Described second measuring unit structure is identical with the first measuring unit, is made up of the second angular-rate sensor and peripheral circuit thereof, is provided with the second angular velocity voltage end.
Described 3rd measuring unit structure is identical with the first measuring unit, is made up of, is provided with triangle velocity voltage end angular velocity sensor and peripheral circuit thereof.
The structure of described second transducing unit is identical with the first transducing unit, is made up of the second current transducer and peripheral circuit thereof, be provided with the second angular velocity voltage input end and second become send current terminal; Second angular velocity voltage input end is connected to the second angular velocity voltage end of the second measuring unit.
Described 3rd transducing unit is made up of the 3rd electric current transmission circuit and the 3rd input change-over circuit, is provided with triangle velocity voltage input end, current input terminal is sent in the first change, current input terminal is sent in the second change and current terminal is sent in angular velocity change.
Described 3rd ER effect power transmission route the 3rd current transducer and triode V31, electric capacity C31 form, and structure is identical with the first electric current transmission circuit of the first transducing unit.
Described angular velocity becomes the change sending the anode of current terminal to be connected to the 3rd current transducer and send current output terminal, and negative terminal is connected to the 3rd change and send direct supply negative terminal.
Described 3rd input change-over circuit is made up of resistance R31, resistance R32, resistance R33, resistance R34, resistance R35, resistance R36.
One end of described resistance R31 is connected to the reference voltage output end of the 3rd current transducer, and one end is connected to the current input terminal of the 3rd current transducer in addition; One end of resistance R32 is triangle velocity voltage input end and is connected to triangle velocity voltage end, and one end is connected to the current input terminal of the 3rd current transducer in addition; The input current return terminal of the 3rd current transducer is connected to the 3rd and measures direct supply negative terminal; The two ends of resistance R35 are that current input terminal is sent in the first change, are connected to the first change power transmission stream anode and negative terminal respectively; The two ends of resistance R36 are that current input terminal is sent in the second change, are connected to the second change power transmission stream anode and negative terminal respectively; First becomes power transmission stream negative terminal and second becomes power transmission stream negative terminal and is all connected to the 3rd and measures direct supply negative terminal; One end of resistance R34 is connected to the first change power transmission stream anode, and one end is connected to the current input terminal IIN of the 3rd current transducer in addition; One end of resistance R35 is connected to the second change power transmission stream anode, and one end is connected to the current input terminal of the 3rd current transducer in addition.
Described first angular-rate sensor, the second angular-rate sensor, angular velocity sensor all select single shaft angular-rate sensor ADXRS623.
Described first current transducer, the second current transducer, the 3rd current transducer all select current loop transmitter XTR117.
Direct supply measured by described first measurement direct supply, second, the circuit of the 3rd measurement direct supply is all selected to be made up of miniature isolated DC voltage stabilizer DCR011205 and peripheral circuit thereof.
Described first change is sent direct supply, second to become and is sent direct supply, the 3rd change send the circuit of direct supply all to select to be made up of minisize dc isolator DCP021212 and peripheral circuit thereof.
The beneficial effects of the utility model are, described measurement mechanism adopts multiple sensor to carry out same angular velocity measurement simultaneously, and different measuring transmitting module is arranged on vehicle diverse location, and vibration and interference resistance is strong, and measurement data is stablized; Adopt mimic channel to ask for the mean value of multiple sensor signal, without the need to carrying out intelligent processing method, circuit is simple.Described measurement mechanism both may be used for the measurement of electric power wheel self-discharging vehicle yaw velocity, also may be used for the measurement of other automobile yaw velocities.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the first measuring unit circuit diagram of the present utility model.
Fig. 3 is the first transducing unit circuit diagram of the present utility model.
Fig. 4 is the first power unit circuit figure of the present utility model.
Fig. 5 is the 3rd transducing unit circuit diagram of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
The utility model structured flowchart as shown in Figure 1, measures transmitting module 200 by the first measurement transmitting module 100, second, the 3rd measurement transmitting module 300 forms.Measured magnitude of angular velocity is converted to 4-20mA electric current and delivers to the angular velocity change power transmission stream output that the angular velocity mean value of three measurement transmitting modules measurement is converted to 4-20mA by the 3rd measurement transmitting module the 300, three measurement transmitting module 300 by the first measurement transmitting module 100 and the second measurement transmitting module 200 respectively.
First measures transmitting module 100, second measurement transmitting module 200, the 3rd measurement transmitting module 300 is powered by automobile power source, is installed on the rear portion of electric power wheel self-discharging vehicle, middle part and front portion respectively.
First measures transmitting module 100 is made up of the first power supply unit 1001, first measuring unit 1002, first transducing unit 1003.
The input power of the first power supply unit 1001 is automobile power sources, exports and has the first measurement direct supply and the first change to send direct supply.The first positive and negative end measuring direct supply is VCC1, GND1 respectively, and the first change send the positive and negative end of direct supply to be VL1, LGND1 respectively.Automobile power source, first measures direct supply, mutual electrical isolation between direct supply three is sent in the first change.
As shown in Figure 2, measured angular speed also exports the first angular velocity voltage VR1 to first measuring unit 1002.
First measuring unit 1002 is made up of the first angular-rate sensor RATE1 and peripheral circuit thereof, and the first angular-rate sensor RATE1 selects single shaft angular-rate sensor ADXRS623.The power supply ground ends such as the power positive end such as analog electrical source AVCC, charge pump power supply end VDD, reference power source end of the first angular-rate sensor RATE1 is connected to the first measurement direct supply anode VCC1, analog electrical seedbed AGND, charge pump power supply ground PGND are connected to the first measurement direct supply negative terminal GND1; The angular velocity output terminal RATEOUT of the first angular-rate sensor RATE1 is the first angular velocity voltage end VR1.
The peripheral circuit of the first angular-rate sensor RATE1 comprises power filtering capacitor C101, charge pump capacitor C102, C103, high-voltage filtering capacitor C104, feedback capacity C105.Power filtering capacitor C101 is connected in parallel between the first measurement direct supply anode VCC1 and negative terminal GND1, charge pump capacitor C102 two ends are connected to the charge pump capacitor end CP1 of the first angular-rate sensor RATE1 respectively, CP2, charge pump capacitor C103 two ends are connected to the charge pump capacitor end CP3 of the first angular-rate sensor RATE1 respectively, CP4, the high-voltage filtering capacitor end CP5 and first that high-voltage filtering capacitor C104 two ends are connected to the first angular-rate sensor RATE1 respectively measures direct supply negative terminal GND1, feedback capacity C105 two ends are connected to angular velocity output terminal RATEOUT and the output amplifier summing junction end SUMJ of the first angular-rate sensor RATE1 respectively.
First transducing unit 1003 as shown in Figure 3, is made up of the first electric current transmission circuit and the first input change-over circuit, also includes the first angular velocity voltage input end VR1 and first change and send current terminal IOUT1;
First current transducer XTR1 and triode V11, electric capacity C11 form the first electric current transmission circuit, resistance R11, resistance R12 composition first input change-over circuit.First current transducer XTR1 selects current loop transmitter XTR117.
One end of resistance R11 is connected to the reference voltage output end UREF of the first current transducer XTR1, and one end is connected to the current input terminal IIN of the first current transducer XTR1 in addition; One end of resistance R12 is the first angular velocity voltage input end VR1 and is connected to the first angular velocity voltage end VR1, and one end is connected to the current input terminal IIN of the first current transducer XTR1 in addition; The input current return terminal IRET of the first current transducer XTR1 is connected to the first measurement direct supply negative terminal GND1, and voltage input end U+ is connected to the first change and send direct supply anode VL1; The collector of triode V11, base stage, emitter are connected to voltage input end U+, base terminal B, the emitter terminal E of the first current transducer XTR1 respectively; One end of electric capacity C11 is connected to the first change and send direct supply anode VL1, and current output terminal IOUT is sent in the change that one end is connected to the first current transducer XTR1 in addition.
Current output terminal IOUT is sent in the change that first change power transmission stream anode IOUT1+ is connected to the first current transducer XTR1, and negative terminal IOUT1-is connected to the first change and send direct supply negative terminal LGND1.
First power supply unit 1001 as shown in Figure 4.
First measures DC power supply circuit is made up of isolated DC voltage stabilizing device DC/DC11 and electric capacity C106, electric capacity C107, electric capacity C108.The voltage positive output end VO of isolated DC voltage stabilizing device DC/DC11 is the first measurement direct supply anode VCC1, voltage negative output terminal 0VOUT is the first measurement direct supply negative terminal GND1; The voltage positive input terminal VS of isolated DC voltage stabilizing device DC/DC11, negative input end 0VIN are connected to positive input terminal V+, the negative input end V-of automobile power source respectively, and electric capacity C106 is connected in parallel between voltage positive input terminal VS, negative input end 0VIN of isolated DC voltage stabilizing device DC/DC11; The enable input end ENABLE of isolated DC voltage stabilizing device DC/DC11 is connected to rectification output end VRCE, and electric capacity C107 is connected in parallel on rectification output end VRCE and first and measures between the negative terminal GND1 of direct supply; Electric capacity C108 is connected in parallel between anode VCC1, negative terminal GND1 of the first measurement direct supply.Isolated DC voltage stabilizing device DC/DC11 selects minisize dc isolation voltage stabilizer DCR011205, input voltage 12V, output voltage 5V.
First change send DC power supply circuit to be made up of DC isolator DC/DC12 and electric capacity C109, electric capacity C110.The voltage positive output end VOUT of DC isolator DC/DC12 is that direct supply anode VL1 is sent in the first change, and voltage negative output terminal 0VOUT is that direct supply negative terminal LGND1 is sent in the first change; The voltage positive input terminal VS of DC isolator DC/DC12, negative input end 0VIN are connected to positive input terminal V+, the negative input end V-of automobile power source respectively, and electric capacity C109 is connected in parallel between voltage positive input terminal VS, negative input end 0VIN of DC isolator DC/DC12; Electric capacity C110 is connected in parallel on the first change and send between anode VL1, negative terminal LGND1 of direct supply.DC isolator DC/DC12 selects minisize dc isolator DCP021212, input voltage 12V, output voltage 12V.
Second measures transmitting module 200 is made up of second source unit, the second measuring unit, the second transducing unit, and second source unit is powered to the second measuring unit, the second transducing unit; 3rd measures transmitting module 300 is made up of the 3rd power supply unit, the 3rd measuring unit, the 3rd transducing unit, and the 3rd power supply unit is powered to the 3rd measuring unit, the 3rd transducing unit.
The structure of second source unit, the 3rd power supply unit is identical with the first power supply unit 1001 with component parameters, provides the second measurement direct supply, second to become respectively and send direct supply and the 3rd measurement direct supply, the 3rd change to send direct supply.
The structure of the second measuring unit, the 3rd measuring unit is identical with the first measuring unit 1002 with component parameters, respectively measured angular speed export the second angular velocity voltage VR2, triangle velocity voltage VR3.
The structure of the second transducing unit is identical with the first transducing unit 1003 with component parameters, is input as the second angular velocity voltage VR2, and output is the second change power transmission stream IOUT2.
3rd transducing unit 3003 as shown in Figure 5, is input as triangle velocity voltage VR3, first and becomes power transmission stream IOUT1, the second change power transmission stream IOUT2, export as angular velocity becomes power transmission stream IOUT.
The electric current transmission circuit that 3rd current transducer XTR3 and triode V31, electric capacity C31 form is identical with parameter with the first ER effect power transmission line structure in the first transducing unit 1003.Current output terminal IOUT is sent in the change that angular velocity change power transmission stream anode IOUT+ is connected to the 3rd current transducer XTR3, and negative terminal IOUT-is connected to the 3rd change and send direct supply negative terminal LGND3.3rd current transducer XTR3 selects current loop transmitter XTR117.
Resistance R31, resistance R32, resistance R33, resistance R34, resistance R35, resistance R36 composition the 3rd input change-over circuit.
One end of resistance R31 is connected to the reference voltage output end UREF of the 3rd current transducer XTR3, and one end is connected to the current input terminal IIN of the 3rd current transducer XTR3 in addition; One end of resistance R32 is triangle velocity voltage input end and is connected to triangle velocity voltage end VR3, and one end is connected to the current input terminal IIN of the 3rd current transducer XTR3 in addition; The input current return terminal IRET of the 3rd current transducer XTR3 is connected to the 3rd and measures direct supply negative terminal GND3; One end of resistance R35 is connected to the first change power transmission stream anode IOUT1+, and one end is connected to the first change power transmission stream negative terminal IOUT1-in addition; One end of resistance R36 is connected to the second change power transmission stream anode IOUT2+, and one end is connected to the second change power transmission stream negative terminal IOUT2-in addition; First becomes power transmission stream negative terminal IOUT1-and second becomes power transmission stream negative terminal IOUT2-and is all connected to the 3rd and measures direct supply negative terminal GND3; One end of resistance R34 is connected to the first change power transmission stream anode IOUT1+, and one end is connected to the current input terminal IIN of the 3rd current transducer XTR3 in addition; One end of resistance R35 is connected to the second change power transmission stream anode IOUT2+, and one end is connected to the current input terminal IIN of the 3rd current transducer XTR3 in addition.
The principle of work of described measurement mechanism is as follows:
Single shaft angular-rate sensor ADXRS623 inside includes micromechanical angle speed detection unit and signal conditioning circuit unit, the angular velocity data detected can be exported in the form of a voltage.Three measuring unit Output speed voltage VR1, VR2, VR3 respectively, scope is 0-5V.
Angular velocity voltage VR1, VR2 convert to and become power transmission stream IOUT1, IOUT2 and export by the first transducing unit and the second transducing unit respectively.Form the first electric current transmission circuit for the first transducing unit 1003, first current transducer XTR1 and triode V11, electric capacity C11, the 0-200 μ A Current amplifier 100 inputted by current input terminal IIN doubly exports to 0-20mA.The VR1 of 0-5V scope is converted to 0-160 μ A electric current I R1 by resistance R12, resistance R11 provides 40 μ A drift current IOS1, the range of current that first current transducer XTR1 current input terminal IIN inputs is 40-200 μ A, therefore, the change power transmission stream IOUT1 that angular velocity voltage VR1 is converted to 4-20mA by the first transducing unit exports.
The angular velocity that the mean value of angular velocity voltage VR1, VR2, VR3 is converted to 4-20mA by the 3rd transducing unit becomes power transmission stream IOUT output.The VR3 of 0-5V scope is converted to 0-53.33 μ A electric current I RS3 by resistance R32, and resistance R31 provides 13.33 μ A drift current IOS3; Resistance R35 and resistance R34 forms the divided circuit becoming power transmission stream IOUT1, resistance R36 and resistance R33 forms the divided circuit becoming power transmission stream IOUT2, on resistance R33, on electric current IRS2, resistance R34, the scope of electric current IRS1 is all 13.33-66.67 μ A, and they form linear relationship with voltage VR2, VR1 respectively; The range of current flowing into the 3rd current transducer XTR3 current input terminal IIN input is 40-200 μ A, and it is 4-20mA that the angular velocity after amplification becomes power transmission stream IOUT scope, and wherein the weight ratio of voltage VR1, VR2, VR3 respectively accounts for 1/3.
Described measurement mechanism adopts multiple sensor to carry out same angular velocity measurement simultaneously, and different measuring transmitting module is arranged on vehicle diverse location, and vibration and interference resistance is strong, and measurement data is stablized.Adopt mimic channel to ask for the mean value of multiple sensor signal, without the need to carrying out intelligent processing method, circuit is simple.Described measurement mechanism both may be used for the measurement of electric power wheel self-discharging vehicle yaw velocity, also may be used for the measurement of other automobile yaw velocities.
Claims (5)
1. an electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus, is characterized in that: measure transmitting module by the first measurement transmitting module, second, the 3rd measurement transmitting module forms;
Described first measures transmitting module is made up of the first power supply unit, the first measuring unit, the first transducing unit;
The input power of described first power supply unit is automobile power source, and direct supply is measured in output first and direct supply is sent in the first change; Automobile power source, first measures direct supply, mutual electrical isolation between direct supply three is sent in the first change;
Described first measuring unit is made up of the first angular-rate sensor and peripheral circuit thereof, is provided with the first angular velocity voltage end of output; The power positive end of the first angular-rate sensor is connected to the first measurement direct supply anode, and power supply ground end is connected to the first measurement direct supply negative terminal; The angular velocity output terminal of the first angular-rate sensor is set to the first angular velocity voltage end;
Described first transducing unit by the first electric current transmission circuit and first input change-over circuit form, be provided with the first angular velocity voltage input end and first become send current terminal;
Described first ER effect power transmission route first current transducer and triode V11, electric capacity C11 form, and the first input change-over circuit is made up of resistance R11, resistance R12;
One end of described resistance R11 is connected to the reference voltage output end of the first current transducer, and one end is connected to the current input terminal of the first current transducer in addition; One end of resistance R12 is the first angular velocity voltage input end and is connected to the first angular velocity voltage end, and one end is connected to the current input terminal of the first current transducer in addition; The input current return terminal of the first current transducer is connected to the first measurement direct supply negative terminal, and voltage input end is connected to the first change and send direct supply anode; The collector of triode V11, base stage, emitter are connected to voltage input end, base terminal, the emitter terminal of the first current transducer respectively; One end of electric capacity C11 is connected to the first change and send direct supply anode, and current output terminal is sent in the change that one end is connected to the first current transducer in addition;
Described first change is sent the anode of current terminal to be connected to the first current transducer change and is sent current output terminal, and negative terminal is connected to the first change and send direct supply negative terminal;
Described second measures transmitting module is made up of second source unit, the second measuring unit, the second transducing unit;
Described 3rd measures transmitting module is made up of the 3rd power supply unit, the 3rd measuring unit, the 3rd transducing unit;
Described second source unit is identical with the first power supply unit structure, and direct supply is measured in output second, the second change send direct supply to power to the second measuring unit, the second transducing unit;
Described 3rd power supply unit is identical with the first power supply unit structure, and direct supply is measured in output the 3rd, the 3rd change send direct supply to power to the 3rd measuring unit, the 3rd transducing unit;
Described second measuring unit structure is identical with the first measuring unit, is made up of the second angular-rate sensor and peripheral circuit thereof, is provided with the second angular velocity voltage end;
Described 3rd measuring unit structure is identical with the first measuring unit, is made up of, is provided with triangle velocity voltage end angular velocity sensor and peripheral circuit thereof;
The structure of described second transducing unit is identical with the first transducing unit, is made up of the second current transducer and peripheral circuit thereof, be provided with the second angular velocity voltage input end and second become send current terminal; Second angular velocity voltage input end is connected to the second angular velocity voltage end of the second measuring unit;
Described 3rd transducing unit is made up of the 3rd electric current transmission circuit and the 3rd input change-over circuit, is provided with triangle velocity voltage input end, current input terminal is sent in the first change, current input terminal is sent in the second change and current terminal is sent in angular velocity change;
Described 3rd ER effect power transmission route the 3rd current transducer and triode V31, electric capacity C31 form;
Described angular velocity becomes the change sending the anode of current terminal to be connected to the 3rd current transducer and send current output terminal, and negative terminal is connected to the 3rd change and send direct supply negative terminal;
Described 3rd input change-over circuit is made up of resistance R31, resistance R32, resistance R33, resistance R34, resistance R35, resistance R36;
One end of described resistance R31 is connected to the reference voltage output end of the 3rd current transducer, and one end is connected to the current input terminal of the 3rd current transducer in addition; One end of resistance R32 is triangle velocity voltage input end and is connected to triangle velocity voltage end, and one end is connected to the current input terminal of the 3rd current transducer in addition; The input current return terminal of the 3rd current transducer is connected to the 3rd and measures direct supply negative terminal; The two ends of resistance R35 are that current input terminal is sent in the first change, are connected to the first change power transmission stream anode and negative terminal respectively; The two ends of resistance R36 are that current input terminal is sent in the second change, are connected to the second change power transmission stream anode and negative terminal respectively; First becomes power transmission stream negative terminal and second becomes power transmission stream negative terminal and is all connected to the 3rd and measures direct supply negative terminal; One end of resistance R34 is connected to the first change power transmission stream anode, and one end is connected to the current input terminal IIN of the 3rd current transducer in addition; One end of resistance R35 is connected to the second change power transmission stream anode, and one end is connected to the current input terminal of the 3rd current transducer in addition.
2. electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus as claimed in claim 1, is characterized in that: described first angular-rate sensor, the second angular-rate sensor, angular velocity sensor all select single shaft angular-rate sensor ADXRS623.
3. electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus as claimed in claim 2, is characterized in that: described first current transducer, the second current transducer, the 3rd current transducer all select current loop transmitter XTR117.
4. electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus as claimed in claim 3, is characterized in that: direct supply measured by described first measurement direct supply, second, the circuit of the 3rd measurement direct supply is all selected to be made up of miniature isolated DC voltage stabilizer DCR011205 and peripheral circuit thereof.
5. electric power wheel self-discharging vehicle yaw velocity Multi point measuring apparatus as claimed in claim 3, is characterized in that: described first change is sent direct supply, second to become and sent direct supply, the 3rd change send the circuit of direct supply all to select to be made up of minisize dc isolator DCP021212 and peripheral circuit thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520442991.9U CN204740258U (en) | 2015-06-26 | 2015-06-26 | Electronic round of tipper yaw velocity multiple spot measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520442991.9U CN204740258U (en) | 2015-06-26 | 2015-06-26 | Electronic round of tipper yaw velocity multiple spot measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN204740258U true CN204740258U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520442991.9U Expired - Fee Related CN204740258U (en) | 2015-06-26 | 2015-06-26 | Electronic round of tipper yaw velocity multiple spot measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816729A (en) * | 2020-12-21 | 2021-05-18 | 深兰人工智能(深圳)有限公司 | Articulated vehicle angular velocity acquisition method and device, electronic equipment and storage medium |
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2015
- 2015-06-26 CN CN201520442991.9U patent/CN204740258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816729A (en) * | 2020-12-21 | 2021-05-18 | 深兰人工智能(深圳)有限公司 | Articulated vehicle angular velocity acquisition method and device, electronic equipment and storage medium |
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