CN101833017A - Wireless calibration system of centrifugal micro-machine acceleration transducer - Google Patents
Wireless calibration system of centrifugal micro-machine acceleration transducer Download PDFInfo
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- CN101833017A CN101833017A CN 201010129773 CN201010129773A CN101833017A CN 101833017 A CN101833017 A CN 101833017A CN 201010129773 CN201010129773 CN 201010129773 CN 201010129773 A CN201010129773 A CN 201010129773A CN 101833017 A CN101833017 A CN 101833017A
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Abstract
The invention discloses a wireless calibration system of a centrifugal micro-machine acceleration transducer, which comprises a centrifuge turntable, wherein the centrifuge turntable is provided with a groove; one end of the groove is provided with a balance weight, while the other end is fixed with a data acquisition transmitting part; the data acquisition transmitting part comprises a wireless receiving and transmitting module which is connected with a data acquisition transmitting back panel of the acceleration transducer; the back panel is connected with the acceleration transducer to be tested and is fixed on the groove of the centrifuge turntable; a data receiving part comprises a wireless receiving and transmitting module which is connected with a data acquisition receiving back panel of the acceleration transducer, and the back panel is connected with a host computer; and the separation distance between the data acquisition transmitting part and the data receiving part is within 10 meters. The wireless calibration system is combined with the micro-machine acceleration transducer, a wireless transmission technique and a conventional centrifuge to realize wireless transmission, receiving and analysis of data output by the micro-machine acceleration transducer, and has the advantages of simple structure, small volume, low power consumption and high time accuracy and sensibility.
Description
Technical field
The present invention relates to micro-machine acceleration transducer calibration technique field, particularly a kind of wireless calibration system of centrifugal micro-machine acceleration transducer.
Background technology
The purpose that present micro-machine acceleration transducer calibration system is transformed is in order to improve the efficient of acceleration transducer data acquisition, to simplify relevant hardware structure and collecting flowchart.Traditional centrifugal micro-machine acceleration transducer calibration system utilizes the centrifugal acceleration of hydro-extractor generation to apply certain acceleration to being placed on rotating disk acceleration transducer radially at present, and this acceleration formula is a=r ω
2Wherein a is the suffered centrifugal acceleration of sensor, r arrives the acceleration transducer radius for the rotating disk center of circle, ω is the rotating disk angular velocity of rotation, the output of the consequent signal of acceleration transducer and self power supply then rely on the conducting slip ring of hydro-extractor rotating disk, and there is complex structure in conventional centrifugal micro-machine acceleration transducer calibration system, volume is big, power consumption is high, time precision and the low shortcoming of sensitivity.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of wireless calibration system of centrifugal micro-machine acceleration transducer, utilize Wireless transmission mode to replace traditional conducting slip ring connected mode, circuit uses the low power dissipation electron device, have simple in structure, volume is little, low in energy consumption, time precision and highly sensitive advantage.
In order to achieve the above object, the present invention takes concrete technical scheme to be:
A kind of wireless calibration system of centrifugal micro-machine acceleration transducer, comprise hydro-extractor rotating disk IV, the center configuration of hydro-extractor rotating disk IV has machine shaft VI, the centrifugal basket disc radial has groove VII, the end of groove VII disposes rotating disk counterweight V, the other end is fixed with the data acquisition radiating portion, the data acquisition radiating portion comprises radio receiving transmitting module I, the interface of radio receiving transmitting module I links to each other with the radio receiving transmitting module I interface of acceleration transducer data acquisition emission base plate II, the input end of acceleration transducer data acquisition emission base plate II is connected with micro-machine acceleration transducer to be measured, and acceleration transducer data acquisition emission base plate II is fixed on the end of hydro-extractor rotating disk groove VII by acceleration transducer stationary fixture III; The data reception portion branch comprises radio receiving transmitting module I, the interface of radio receiving transmitting module I links to each other with the wireless receiving and dispatching interface that the acceleration transducer data acquisition receives base plate VIII, the USB module that the acceleration transducer data acquisition receives base plate VIII links to each other with the USB interface of host computer X by cable I X as output terminal, and data acquisition radiating portion and Data Receiving part spacing are in 10 meters.
Described radio receiving transmitting module I comprises CPU module and two parts of interface, and in the Data Receiving part, the antenna of radio receiving transmitting module I is an input end, links to each other with the input end of CPU among the radio receiving transmitting module I, and the output terminal of CPU links to each other with the interface of radio receiving transmitting module I; At the data acquisition radiating portion, the antenna of radio receiving transmitting module I is an output terminal, links to each other with the output terminal of CPU among the radio receiving transmitting module I, and the input end of CPU links to each other with the interface of radio receiving transmitting module I.
The CPU module of described radio receiving transmitting module I comprises cpu chip U1, the 7f of cpu chip U1,20f and 47f pin meet power vd D, ground connection GND behind the 22f pin connecting resistance R3, ground connection GND behind the 26f pin connecting resistance R2, the 23f pin connects power vd D and capacitor C 7, the 24f pin connects VCC and capacitor C 8 back ground connection, 25f, 27f, 28f, 29f, 30f, 31f, 35f, 36f, 37f, 38f, 39f and 40f pin meet power supply VCC, the 42f pin meets capacitor C 5 back ground connection GND, 44f and 45f pin meet crystal oscillator Y2,19f and 21f pin meet crystal oscillator Y1, the 9f of entire chip～1f pin leads to P1.0～P1.7 respectively, 11f～18f pin leads to P0.0 respectively, P0.1, P0.2RXD, P0.3TXD, P0.4, P0.5, P0.6, P0.7,45f, 46f and 48f pin lead to P2.2 respectively, P2.1, P2.0, these pins are the universaling I/O port of chip, 32f, 33f and 34f pin meet inductance L 1～L3, capacitor C 13 and antenna E1, the equal shunt capacitance C1 of the power supply VCC of chip and VDD, C2, C3, C4, C14 and C15 ground connection.
The interface of described radio receiving transmitting module I is double pin J1, row's pin 1a pin of double pin J1 meets power vd D, the 2a pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 3a pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 4a pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 5a pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 6a pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 7a pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 8a pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 9a pin meets the 10f pin RESET of the CPU of radio receiving transmitting module I, the 10a pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 11a pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 12a pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 13a pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 14a pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 15a pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, the 16a pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 17a pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 18a pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, 19a pin ground connection GND, the 20a pin meets the 48f pin P2.0 of the CPU of radio receiving transmitting module I.
Described acceleration transducer data acquisition emission base plate II, comprise radio receiving transmitting module interface, sensor interface and power module three parts, radio receiving transmitting module interface sensor input connection interface, output terminal connects radio receiving transmitting module I, the sensor interface input end connects treats acceleration pick-up sensor, and power module connects radio receiving transmitting module I and treats acceleration pick-up sensor.
The radio receiving transmitting module interface of described acceleration transducer data acquisition emission base plate II is double pin J2, the 1b pin of double pin J2 meets power supply VCC, ground connection behind shunt capacitance C19 and the electrochemical capacitor C20, the 2b pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 3b pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 4b pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 5b pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 6b pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 7b pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 8b pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 9b pin meets the 10f pin RESET of the CPU of radio receiving transmitting module I, connect ground connection behind the button S1, parallel resistance R4 between 1b and 9b pin, the 10b pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 11b pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 12b pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 13b pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 14b pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 15b pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, the 16b pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 17b pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 18b pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, 19b pin ground connection GND, 20b pin meet the 48th pin P2.0 of the CPU of radio receiving transmitting module I.
The sensor interface of described acceleration transducer data acquisition emission base plate II is double pin J3, the 1c pin of row's pin J3 meets power supply VCC, the 2c pin meets power supply VCC, the 3c pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 4c pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 5c pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 6c pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 7c pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 8c pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 9c pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 10c pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 11c pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 12c pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 13c pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, the 14c pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 15c pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 16c pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 17c pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 18c pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, 19c pin ground connection GND, 20c pin ground connection GND.
The power module of described acceleration transducer data acquisition emission base plate II comprises alkaline dry battery BT1～BT3, BT1～BT3 is series connection, be parallel to diode IN5819 two ends, the positive pole of diode IN5819 connects battery anode, negative pole connects battery cathode, the 3g pin of voltage stabilizing chip U2 connects capacitor C 16 back ground connection, 1g pin ground connection GND, 2g pin electrochemical capacitor C17 in parallel and capacitor C 18, connect the positive pole of red LED pipe RLED1, the positive pole of red LED pipe RLED1 meets power supply VCC, ground connection GND behind the negative pole connecting resistance R5.
The lower projection part 4 of described acceleration transducer stationary fixture IV is fixed on the groove of hydro-extractor rotating disk, disposes two mounting holes 2 on the arm 3 of a side respectively, and opposite side disposes mounting hole 1 away from the center of arm 3.
Described acceleration transducer data acquisition receives base plate VIII and comprises wireless receiving and dispatching interface, USB module and three parts of JTAG program download module, the input termination radio receiving transmitting module I of wireless receiving and dispatching interface, the input end of output termination USB module, the USB input interface of the output termination computer of USB module, the input termination computer of JTAG program download module, the input end of output termination radio receiving transmitting module I.
The wireless receiving and dispatching interface that described acceleration transducer data acquisition receives base plate VIII is double pin J4, the 1d pin of double pin J4 meets power supply VCC, ground connection behind shunt capacitance C24 and the electrochemical capacitor C25, the 2d pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 3d pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 4d pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 5d pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 6d pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 7d pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 8d pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 9d pin meets the 10f pin RESET of the CPU of radio receiving transmitting module I, connect ground connection behind the button S2, parallel resistance R11 between 1d and 9d pin, the 10d pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 11d pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 12d pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 13d pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 14d pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 15d pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, the 16d pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 17d pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 18d pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, 19d pin ground connection GND, the 20d pin meets the 48f pin P2.0 of the CPU of radio receiving transmitting module I.
The USB module that described acceleration transducer data acquisition receives base plate VIII comprises main control chip U3, main control chip U3 is PL2303, the 1h pin of U3 meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 4h pin meets VDD, the 14f pin P0.3TXD of the CPU of 5h pin radio receiving transmitting module I, 7h pin ground connection GND, meet USB mouth power supply V_USB behind the 13h pin connecting resistance R7, meet USB mouth power supply V_USB behind the 14h pin connecting resistance R6, connect the 3i pin of USB Type B mouth behind the 15h pin connecting resistance R9, connect the 2i pin of USB Type B mouth after the 16h pin resistance R 8, the 17h pin meets power vd D, connect USB Type B mouth 4i and 5i pin after connecing capacitor C 23,18h pin ground connection GND, 19h, 20h and 24h pin meet USB mouth power supply V_USB, 21h, 25h and 26h pin ground connection GND, 27h and 28h pin be series capacitance C22 and C21 respectively, crystal oscillator X1 in parallel.
The JTAG program download module that described acceleration transducer data acquisition receives base plate VIII is double pin J5, the 1e pin ground connection GND of double pin J5, the 2e pin meets VCC, the 3e pin connects the 45f pin P2.2 of the CPU of radio receiving transmitting module I, and the 4e pin connects the 46f pin P2.1 of the CPU of radio receiving transmitting module I, and the 7e pin connects the 10f pin RESET of the CPU of radio receiving transmitting module I, 5e, 6e, 8e, 9e and 10e pin are unsettled.
Principle of work of the present invention is:
The present invention realizes wireless transmission, reception and analysis to the micro-machine acceleration transducer output data in conjunction with micro-machine acceleration transducer, Radio Transmission Technology and traditional hydro-extractor.
Because the present invention all adopts the low power dissipation electron element, and utilize wireless transmission method to replace traditional conducting ring connected mode, so have low in energy consumption, simple in structure, advantages such as volume is little, easy for installation, time precision and sensitivity height.
Description of drawings
Fig. 1 is a data acquisition radiating portion structural representation of the present invention.
Fig. 2 is a Data Receiving part-structure synoptic diagram of the present invention.
Fig. 3 is the CPU module circuit diagram of radio receiving transmitting module I of the present invention.
Fig. 4 is the wireless receiving and dispatching interface circuit figure of radio receiving transmitting module I of the present invention.
Fig. 5 is the wireless receiving and dispatching interface circuit figure of acceleration transducer data acquisition emission base plate II of the present invention.
Fig. 6 is the sensor interface circuitry figure of acceleration transducer data acquisition emission base plate II of the present invention.
Fig. 7 is the power module circuitry figure of acceleration transducer data acquisition emission base plate II of the present invention.
Fig. 8 is an acceleration transducer stationary fixture IV structural representation of the present invention.
Fig. 9 is the radio receiving transmitting module interface circuit figure that acceleration transducer data acquisition of the present invention receives base plate VIII.
Figure 10 is the USB module circuit diagram that acceleration transducer data acquisition of the present invention receives base plate VIII.
Figure 11 is the JTAG program download module circuit diagram that acceleration transducer data acquisition of the present invention receives base plate VIII.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of wireless calibration system of centrifugal micro-machine acceleration transducer, comprise hydro-extractor rotating disk IV, the center configuration of hydro-extractor rotating disk IV has machine shaft VI, the centrifugal basket disc radial has groove VII, the end of groove VII disposes rotating disk counterweight V, the other end is fixed with the data acquisition radiating portion, the data acquisition radiating portion comprises radio receiving transmitting module I, the interface of radio receiving transmitting module I links to each other with the radio receiving transmitting module I interface of acceleration transducer data acquisition emission base plate II, the input end of acceleration transducer data acquisition emission base plate II is connected with micro-machine acceleration transducer to be measured, and acceleration transducer data acquisition emission base plate II is fixed on the end of hydro-extractor rotating disk groove VII by acceleration transducer stationary fixture III; The data reception portion branch comprises radio receiving transmitting module I, the interface of radio receiving transmitting module I links to each other with the wireless receiving and dispatching interface that the acceleration transducer data acquisition receives base plate VIII, the USB module that the acceleration transducer data acquisition receives base plate VIII links to each other with the USB interface of host computer X by cable I X as output terminal, and the distance of data acquisition radiating portion and Data Receiving part is in 10 meters.
Described radio receiving transmitting module I comprises CPU module and two parts of interface, and in the Data Receiving part, the antenna of radio receiving transmitting module I is an input end, links to each other with the input end of CPU among the radio receiving transmitting module I, and the output terminal of CPU links to each other with the interface of radio receiving transmitting module I; At the data acquisition radiating portion, the antenna of radio receiving transmitting module I is an output terminal, links to each other with the output terminal of CPU among the radio receiving transmitting module I, and the input end of CPU links to each other with the interface of radio receiving transmitting module I.
Referring to Fig. 3, the CPU module of described radio receiving transmitting module I comprises cpu chip U1, the 7f of cpu chip U1,20f and 47f pin meet power vd D, ground connection GND behind the 22f pin connecting resistance R3, ground connection GND behind the 26f pin connecting resistance R2, the 23f pin connects power vd D and capacitor C 7, the 24f pin connects VCC and capacitor C 8 back ground connection, 25f, 27f, 28f, 29f, 30f, 31f, 35f, 36f, 37f, 38f, 39f and 40f pin meet power supply VCC, the 42f pin meets capacitor C 5 back ground connection GND, 44f and 45f pin meet crystal oscillator Y2,19f and 21f pin meet crystal oscillator Y1, the 9f of entire chip～1f pin leads to P1.0～P1.7 respectively, 11f～18f pin leads to P0.0 respectively, P0.1, P0.2RXD, P0.3TXD, P0.4, P0.5, P0.6, P0.7,45f, 46f and 48f pin lead to P2.2 respectively, P2.1, P2.0, these pins are the universaling I/O port of chip, 32f, 33f and 34f pin meet inductance L 1～L3, capacitor C 13 and antenna E1, the equal shunt capacitance C1 of the power supply VCC of chip and VDD, C2, C3, C4, C14 and C15 ground connection.
Referring to Fig. 4, the interface of described radio receiving transmitting module I is double pin J1, row's pin 1a pin of double pin J1 meets power vd D, the 2a pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 3a pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 4a pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 5a pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 6a pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 7a pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 8a pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 9a pin meets the 10f pin RESET of the CPU of radio receiving transmitting module I, the 10a pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 11a pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 12a pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 13a pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 14a pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 15a pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, the 16a pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 17a pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 18a pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, 19a pin ground connection GND, the 20a pin meets the 48f pin P2.0 of the CPU of radio receiving transmitting module I.
Referring to Fig. 5, the radio receiving transmitting module interface of described acceleration transducer data acquisition emission base plate II is double pin J2, the 1b pin of double pin J2 meets power supply VCC, ground connection behind shunt capacitance C19 and the electrochemical capacitor C20, the 2b pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 3b pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 4b pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 5b pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 6b pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 7b pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 8b pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 9b pin meets the 10f pin RESET of the CPU of radio receiving transmitting module I, connect ground connection behind the button S1, parallel resistance R4 between 1b and 9b pin, the 10b pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 11b pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 12b pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 13b pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 14b pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 15b pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, the 16b pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 17b pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 18b pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, 19b pin ground connection GND, the 20b pin meets the 48f pin P2.0 of the CPU of radio receiving transmitting module I, electrochemical capacitor C19 and capacitor C 20 are the filter capacitor of power supply VCC, the filtering alternating component, button S1 provides reset signal for the radio receiving transmitting module I on the acceleration transducer data acquisition emission base plate II.
Referring to Fig. 6, the sensor interface of described acceleration transducer data acquisition emission base plate II is double pin J3, the 1c pin of row's pin J3 meets power supply VCC, the 2c pin meets power supply VCC, the 3c pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 4c pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 5c pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 6c pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 7c pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 8c pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 9c pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 10c pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 11c pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 12c pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 13c pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, the 14c pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 15c pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 16c pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 17c pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 18c pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, 19c pin ground connection GND, 20c pin ground connection GND.
Referring to Fig. 7, the power module of described acceleration transducer data acquisition emission base plate II comprises alkaline dry battery BT1～BT3, BT1～BT3 is series connection, be parallel to diode IN5819 two ends, the positive pole of diode IN5819 connects battery anode, negative pole connects battery cathode, the 3g pin of voltage stabilizing chip U2 connects capacitor C 16 back ground connection, 1g pin ground connection GND, 2g pin electrochemical capacitor C17 in parallel and capacitor C 18, connect the positive pole of red LED pipe RLED1, the positive pole of red LED pipe RLED1 meets power supply VCC, ground connection GND behind the negative pole connecting resistance R5, this power module can be with the stable back output of the voltage of alkaline dry battery, for whole acceleration transducer data acquisition emission base plate II provides electric energy.
Referring to Fig. 8, the lower projection part 4 of described acceleration transducer stationary fixture IV is fixed on the groove of hydro-extractor rotating disk, dispose two mounting holes 2 on the arm 3 of one side respectively, be used to install and fix acceleration transducer data acquisition emission base plate II, opposite side disposes mounting hole 1 away from the center of arm 3, is used to install acceleration transducer.
Described acceleration transducer data acquisition receives base plate VIII and comprises wireless receiving and dispatching interface, USB module and three parts of JTAG program download module, the input termination radio receiving transmitting module I of wireless receiving and dispatching interface, the input end of output termination USB module, the USB input interface of the output termination computer of USB module, the input termination computer of JTAG program download module, the input end of output termination radio receiving transmitting module I.
Referring to Fig. 9, the wireless receiving and dispatching interface that described acceleration transducer data acquisition receives base plate VIII is double pin J4, the 1d pin of double pin J4 meets power supply VCC, ground connection behind shunt capacitance C24 and the electrochemical capacitor C25, the 2d pin meets the 4f pin P1.4 of the CPU of radio receiving transmitting module I, the 3d pin meets the 14f pin P0.3TXD of the CPU of radio receiving transmitting module I, the 4d pin meets the 3f pin P1.5 of the CPU of radio receiving transmitting module I, the 5d pin meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 6d pin meets the 1f pin P1.7 of the CPU of radio receiving transmitting module I, the 7d pin meets the 6f pin P1.2 of the CPU of radio receiving transmitting module I, the 8d pin meets the 2f pin P1.6 of the CPU of radio receiving transmitting module I, the 9d pin meets the 10f pin RESET of the CPU of radio receiving transmitting module I, connect ground connection behind the button S2, parallel resistance R11 between 1d and 9d pin, the 10d pin meets the 12f pin P0.1 of the CPU of radio receiving transmitting module I, the 11d pin meets the 5f pin P1.3 of the CPU of radio receiving transmitting module I, the 12d pin meets the 15f pin P0.4 of the CPU of radio receiving transmitting module I, the 13d pin meets the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 14d pin meets the 18f pin P0.7 of the CPU of radio receiving transmitting module I, the 15d pin meets the 45f pin P2.2 of the CPU of radio receiving transmitting module I, the 16d pin meets the 17f pin P0.6 of the CPU of radio receiving transmitting module I, the 17d pin meets the 11f pin P0.0 of the CPU of radio receiving transmitting module I, the 18d pin meets the 16f pin P0.5 of the CPU of radio receiving transmitting module I, 19d pin ground connection GND, the 20d pin meets the 48f pin P2.0 of the CPU of radio receiving transmitting module I, electrochemical capacitor C25 and capacitor C 24 are the filter capacitor of power supply VCC, the filtering alternating component, button S2 provides reset signal for the radio receiving transmitting module I that the acceleration transducer data acquisition receives on the base plate VIII.
Referring to Figure 10, the USB module that described acceleration transducer data acquisition receives base plate VIII comprises main control chip U3, main control chip U3 is PL2303, the 1h pin of U3 meets the 13f pin P0.2RXD of the CPU of radio receiving transmitting module I, the 4h pin meets VDD, the 14f pin P0.3TXD of the CPU of 5h pin radio receiving transmitting module I, 7h pin ground connection GND, meet USB mouth power supply V_USB behind the 13h pin connecting resistance R7, meet USB mouth power supply V_USB behind the 14h pin connecting resistance R6, connect the 3i pin of USB Type B mouth behind the 15h pin connecting resistance R9, connect the 2i pin of USB Type B mouth after the 16h pin resistance R 8, the 17h pin meets power vd D, connect USB Type B mouth 4i and 5i pin after connecing capacitor C 23,18h pin ground connection GND, 19h, 20h and 24h pin meet USB mouth power supply V_USB, 21h, 25h and 26h pin ground connection GND, 27h and 28h pin be series capacitance C22 and C21 respectively, crystal oscillator X1 in parallel, crystal oscillator X1 provides the baud rate required with compunlcation for entire chip, the 1h of U3 and 5h pin are the signal input part of U3 chip, and 15h and 16h pin are the signal output part of U3 chip, and output signal is by USB Type B input computer.
Referring to Figure 11, the JTAG program download module that described acceleration transducer data acquisition receives base plate VIII is double pin J5, the 1e pin ground connection GND of double pin J5, the 2e pin meets VCC, the 3e pin connects the 45f pin P2.2 of the CPU of radio receiving transmitting module I, the 4e pin connects the 46f pin P2.1 of the CPU of radio receiving transmitting module I, the 7e pin connects the 10f pin RESET of the CPU of radio receiving transmitting module I, 5e, 6e, 8e, 9e and 10e pin are unsettled, JTAG program download module links to each other with the jtag interface line of special use, the program of finishing is in advance downloaded among the CPU of radio receiving transmitting module I.
Principle of work of the present invention is:
In conjunction with micro-machine acceleration transducer, Radio Transmission Technology and traditional hydro-extractor, realization is to the wireless transmission of micro-machine acceleration transducer output data, receive and analyze, the data acquisition radiating portion is fixed among the groove VII of hydro-extractor rotating disk IV in the total system by anchor clamps III, in the hydro-extractor rotating disk IV rotary course, the centrifugal acceleration that rotating disk produces is applied on the tested micro-machine acceleration transducer, the signal of acceleration transducer output is through inner AD sampling of the CPU of the radio receiving transmitting module I of data transmission part and coding, antenna by radio receiving transmitting module I is launched, Data Receiving part is apart from 10 meters of the hydro-extractor working sites, after the radio receiving transmitting module I of Data Receiving part receives the acceleration transducer signals that sends, the USB input interface that connects host computer X by cable I X, the data upload of receiving is arrived host computer X, and then signal is carried out Treatment Analysis.
In the accompanying drawing: I is radio receiving transmitting module; II is acceleration transducer data acquisition emission base plate; III is the acceleration transducer stationary fixture; IV is the centrifuge rotating disk; V is the rotating disk counterweight; VI is machine shaft; VII is groove; VIII receives base plate for the acceleration transducer data acquisition; IX is cable; X is host computer; 1a～20a is 20 pins of double-row needle J1; 1b～20b is 20 pins of double-row needle J2; 1c～20c is 20 pins of double-row needle J3; 1d～20d is that 20 pins, the 1e～10e of double-row needle J4 is 10 pins of double-row needle J5; 1f～48f is the pin of chip U1; 1g～3g is the pin of chip U2; 1h～28h is the pin of chip U3; 1i～5i is the pin of USB Type B mouth; C1～C25 is electric capacity; R1～R11 is resistance; L1, L2 and L3 are electric capacity; E1 is antenna; 1 is the acceleration transducer installing hole; 2 is acceleration transducer stationary fixture installing hole; 3 is acceleration transducer geometrical clamp groove; 4 is acceleration transducer stationary fixture lower projection part, and X1, Y1 and Y2 are crystal oscillator; BT1～BT3 is alkaline dry battery; VCC, VDD are power supply; GND is ground connection.
Claims (5)
1. wireless calibration system of centrifugal micro-machine acceleration transducer, comprise hydro-extractor rotating disk (IV), the center configuration of hydro-extractor rotating disk (IV) has machine shaft (VI), the centrifugal basket disc radial has groove (VII), the end of groove VII disposes rotating disk counterweight (V), it is characterized in that: the other end is fixed with the data acquisition radiating portion, the data acquisition radiating portion comprises radio receiving transmitting module (I), the interface of radio receiving transmitting module (I) links to each other with radio receiving transmitting module (I) interface of acceleration transducer data acquisition emission base plate (II), the input end of acceleration transducer data acquisition emission base plate (II) is connected with micro-machine acceleration transducer to be measured, and acceleration transducer data acquisition emission base plate (II) is fixed on an end of hydro-extractor rotating disk groove (VII) by acceleration transducer stationary fixture (III); The data reception portion branch comprises radio receiving transmitting module (I), the interface of radio receiving transmitting module (I) links to each other with the wireless receiving and dispatching interface that the acceleration transducer data acquisition receives base plate (VIII), the USB module that the acceleration transducer data acquisition receives base plate (VIII) links to each other with the USB interface of host computer (X) by cable (IX) as output terminal, and data acquisition radiating portion and Data Receiving part spacing are in 10 meters.
2. a kind of wireless calibration system of centrifugal micro-machine acceleration transducer according to claim 1, it is characterized in that: described radio receiving transmitting module (I) comprises CPU module and two parts of interface, in the Data Receiving part, the antenna of radio receiving transmitting module (I) is an input end, link to each other with the input end of CPU in the radio receiving transmitting module (I), the output terminal of CPU links to each other with the interface of radio receiving transmitting module (I); At the data acquisition radiating portion, the antenna of radio receiving transmitting module (I) is an output terminal, links to each other with the output terminal of CPU in the radio receiving transmitting module (I), and the input end of CPU links to each other with the interface of radio receiving transmitting module (I);
The CPU module of described radio receiving transmitting module (I) comprises cpu chip (U1), (7f) of cpu chip (U1), (20f) and (47f) pin connects power supply (VDD), (22f) pin connecting resistance (R3) back ground connection GND, (26f) pin connecting resistance (R2) back ground connection (GND), (23f) pin connects power supply (VDD) and electric capacity (C7), (24f) pin connects (VCC) and electric capacity (C8) back ground connection, (25f), (27f), (28f), (29f), (30f), (31f), (35f), (36f), (37f), (38f), (39f) and (40f) pin connects power supply (VCC), (42f) pin connects electric capacity (C5) back ground connection (GND), (44f) and (45f) pin connects crystal oscillator (Y2), (19f) and (21f) pin connects crystal oscillator (Y1), entire chip (9f～1f) pin leads to P1.0～P1.7 respectively, (11f～18f) pin leads to P0.0 respectively, P0.1, P0.2RXD, P0.3TXD, P0.4, P0.5, P0.6, P0.7, (45f), (46f) and (48f) pin leads to P2.2 respectively, P2.1, P2.0, these pins are the universaling I/O port of chip, (32f), (33f) and (34f) pin meets inductance (L1～L3), electric capacity (C13) and antenna (E1), the power supply of chip (VCC) and (VDD) equal shunt capacitance (C1), (C2), (C3), (C4), (C14) and (C15) ground connection;
The interface of described radio receiving transmitting module (I) is double pin (J1), row's pin (1a) pin of double pin (J1) connects power supply (VDD), (2a) pin meets (4f) pin P1.4 of the CPU of radio receiving transmitting module (I), (3a) pin meets (14f) pin P0.3TXD of the CPU of radio receiving transmitting module (I), (4a) pin meets (3f) pin P1.5 of the CPU of radio receiving transmitting module (I), (5a) pin meets (13f) pin P0.2RXD of the CPU of radio receiving transmitting module (I), (6a) pin meets (1f) pin P1.7 of the CPU of radio receiving transmitting module (I), (7a) pin meets (6f) pin P1.2 of the CPU of radio receiving transmitting module (I), (8a) pin meets (2f) pin P1.6 of the CPU of radio receiving transmitting module (I), (9a) pin meets (10f) pin RESET of the CPU of radio receiving transmitting module (I), (10a) pin meets (12f) pin P0.1 of the CPU of radio receiving transmitting module (I), (11a) pin meets (5f) pin P1.3 of the CPU of radio receiving transmitting module (I), (12a) pin meets (15f) pin P0.4 of the CPU of radio receiving transmitting module (I), (13a) pin meets (46f) pin P2.1 of the CPU of radio receiving transmitting module (I), (14a) pin meets (18f) pin P0.7 of the CPU of radio receiving transmitting module (I), (15a) pin meets (45f) pin P2.2 of the CPU of radio receiving transmitting module (I), (16a) pin meets (17f) pin P0.6 of the CPU of radio receiving transmitting module (I), (17a) pin meets (11f) pin P0.0 of the CPU of radio receiving transmitting module (I), (18a) pin meets (16f) pin P0.5 of the CPU of radio receiving transmitting module (I), (19a) pin ground connection (GND), (20a) pin meets (48f) pin P2.0 of the CPU of radio receiving transmitting module (I).
3. a kind of wireless calibration system of centrifugal micro-machine acceleration transducer according to claim 1, it is characterized in that: described acceleration transducer data acquisition emission base plate (II) comprises radio receiving transmitting module interface, sensor interface and power module three parts, radio receiving transmitting module interface sensor input connection interface, output terminal connects radio receiving transmitting module (I), the sensor interface input end connects treats acceleration pick-up sensor, and power module connects radio receiving transmitting module (I) and treats acceleration pick-up sensor;
The radio receiving transmitting module interface of described acceleration transducer data acquisition emission base plate (II) is double pin (J2), (1b) pin of double pin (J2) connects power supply (VCC), shunt capacitance (C19) and electrochemical capacitor (C20) back ground connection, (2b) pin meets (4f) pin P1.4 of the CPU of radio receiving transmitting module (I), (3b) pin meets (14f) pin P0.3TXD of the CPU of radio receiving transmitting module (I), (4b) pin meets (3f) pin P1.5 of the CPU of radio receiving transmitting module (I), (5b) pin meets (13f) pin P0.2RXD of the CPU of radio receiving transmitting module (I), (6b) pin meets (1f) pin P1.7 of the CPU of radio receiving transmitting module (I), (7b) pin meets (6f) pin P1.2 of the CPU of radio receiving transmitting module (I), (8b) pin meets (2f) pin P1.6 of the CPU of radio receiving transmitting module (I), (9b) pin meets (10f) pin RESET of the CPU of radio receiving transmitting module (I), connect button (S 1) back ground connection, (1b) and (9b) parallel resistance (R4) between pin, (10b) pin meets (12f) pin P0.1 of the CPU of radio receiving transmitting module (I), (11b) pin meets (5f) pin P1.3 of the CPU of radio receiving transmitting module (I), (12b) pin meets (15f) pin P0.4 of the CPU of radio receiving transmitting module (I), (13b) pin meets (46f) pin P2.1 of the CPU of radio receiving transmitting module (I), (14b) pin meets (18f) pin P0.7 of the CPU of radio receiving transmitting module (I), (15b) pin meets (45f) pin P2.2 of the CPU of radio receiving transmitting module (I), (16b) pin meets (17f) pin P0.6 of the CPU of radio receiving transmitting module (I), (17b) pin meets (11f) pin P0.0 of the CPU of radio receiving transmitting module (I), (18b) pin meets (16f) pin P0.5 of the CPU of radio receiving transmitting module (I), (19b) pin ground connection (GND), (20b) pin meets (48) the pin P2.0 of the CPU of radio receiving transmitting module (I);
The sensor interface of described acceleration transducer data acquisition emission base plate (II) is double pin (J3), (1c) pin of row's pin (J3) connects power supply (VCC), (2c) pin connects power supply (VCC), (3c) pin meets (11f) pin P0.0 of the CPU of radio receiving transmitting module (I), (4c) pin meets (6f) pin P1.2 of the CPU of radio receiving transmitting module (I), (5c) pin meets (12f) pin P0.1 of the CPU of radio receiving transmitting module (I), (6c) pin meets (5f) pin P1.3 of the CPU of radio receiving transmitting module (I), (7c) pin meets (13f) pin P0.2RXD of the CPU of radio receiving transmitting module (I), (8c) pin meets (4f) pin P1.4 of the CPU of radio receiving transmitting module (I), (9c) pin meets (14f) pin P0.3TXD of the CPU of radio receiving transmitting module (I), (10c) pin meets (3f) pin P1.5 of the CPU of radio receiving transmitting module (I), (11c) pin meets (15f) pin P0.4 of the CPU of radio receiving transmitting module (I), (12c) pin meets (2f) pin P1.6 of the CPU of radio receiving transmitting module (I), (13c) pin meets (16f) pin P0.5 of the CPU of radio receiving transmitting module (I), (14c) pin meets (1f) pin P1.7 of the CPU of radio receiving transmitting module (I), (15c) pin meets (17f) pin P0.6 of the CPU of radio receiving transmitting module (I), (16c) pin meets (46f) pin P2.1 of the CPU of radio receiving transmitting module (I), (17c) pin meets (18f) pin P0.7 of the CPU of radio receiving transmitting module (I), (18c) pin meets (45f) pin P2.2 of the CPU of radio receiving transmitting module (I), (19c) pin ground connection (GND), (20c) pin ground connection (GND);
The power module of described acceleration transducer data acquisition emission base plate II comprises alkaline dry battery (BT1～BT3), (BT1～BT3) for connecting, be parallel to diode (IN5819) two ends, the positive pole of diode (IN5819) connects battery anode, negative pole connects battery cathode, (3g) pin of voltage stabilizing chip U2 connects electric capacity (C16) back ground connection, (1g) pin ground connection (GND), (2g) pin electrochemical capacitor (C17) in parallel and electric capacity (C18), connect the positive pole of red LED pipe (RLED1), the positive pole of red LED pipe (RLED1) connects power supply (VCC), negative pole connecting resistance (R5) back ground connection (GND).
4. a kind of wireless calibration system of centrifugal micro-machine acceleration transducer according to claim 1, it is characterized in that: the lower projection part (4) of described acceleration transducer stationary fixture (IV) is fixed on the groove of hydro-extractor rotating disk, dispose two mounting holes (2) on the arm of one side (3) respectively, opposite side disposes mounting hole (1) away from the center of arm (3).
5. a kind of wireless calibration system of centrifugal micro-machine acceleration transducer according to claim 1, it is characterized in that: described acceleration transducer data acquisition receives base plate (VIII) and comprises wireless receiving and dispatching interface, USB module and three parts of JTAG program download module, the input termination radio receiving transmitting module (I) of wireless receiving and dispatching interface, the input end of output termination USB module, the USB input interface of the output termination computer of USB module, the input termination computer of JTAG program download module, the input end of output termination radio receiving transmitting module (I);
The wireless receiving and dispatching interface that described acceleration transducer data acquisition receives base plate (VIII) is double pin (J4), (1d) pin of double pin (J4) connects power supply (VCC), shunt capacitance (C24) and electrochemical capacitor (C25) back ground connection, (2d) pin meets (4f) pin P1.4 of the CPU of radio receiving transmitting module I, (3d) pin meets (14f) pin P0.3TXD of the CPU of radio receiving transmitting module (I), (4d) pin meets (3f) pin P1.5 of the CPU of radio receiving transmitting module (I), (5d) pin meets (13f) pin P0.2RXD of the CPU of radio receiving transmitting module (I), (6d) pin meets (1f) pin P1.7 of the CPU of radio receiving transmitting module (I), (7d) pin meets (6f) pin P1.2 of the CPU of radio receiving transmitting module (I), (8d) pin meets (2f) pin P1.6 of the CPU of radio receiving transmitting module (I), (9d) pin meets (10f) pin RESET of the CPU of radio receiving transmitting module (I), connect button (S2) back ground connection, (1d) and (9d) parallel resistance (R11) between pin, (10d) pin meets (12f) pin P0.1 of the CPU of radio receiving transmitting module (I), (11d) pin meets (5f) pin P1.3 of the CPU of radio receiving transmitting module (I), (12d) pin meets (15f) pin P0.4 of the CPU of radio receiving transmitting module (I), (13d) pin meets (46f) pin P2.1 of the CPU of radio receiving transmitting module (I), (14d) pin meets (18f) pin P0.7 of the CPU of radio receiving transmitting module (I), (15d) pin meets (45f) pin P2.2 of the CPU of radio receiving transmitting module (I), (16d) pin meets (17f) pin P0.6 of the CPU of radio receiving transmitting module (I), (17d) pin meets (11f) pin P0.0 of the CPU of radio receiving transmitting module (I), (18d) pin meets (16f) pin P0.5 of the CPU of radio receiving transmitting module (I), (19d) pin ground connection (GND), (20d) pin meets (48f) pin P2.0 of the CPU of radio receiving transmitting module (I);
The USB module that described acceleration transducer data acquisition receives base plate (VIII) comprises main control chip (U3), main control chip (U3) is PL2303, (1h) pin of main control chip (U3) meets (13f) pin P0.2RXD of the CPU of radio receiving transmitting module (I), (4h) pin meets (VDD), (5h) (14f) pin P0.3TXD of the CPU of pin radio receiving transmitting module (I), (7h) pin ground connection (GND), (13h) connect USB mouth power supply (V_USB) behind the pin connecting resistance (R7), (14h) connect USB mouth power supply (V_USB) behind the pin connecting resistance (R6), (15h) connect (3i) pin of USB Type B mouth behind the pin connecting resistance (R9), (16h) connect (2i) pin of USB Type B mouth behind the pin resistance (R8), (17h) pin connects power supply (VDD), connect and connect USB Type B mouth (4i) and (5i) pin behind the electric capacity (C23), (18h) pin ground connection (GND), (19h), (20h) and (24h) pin connects USB mouth power supply (V_USB), (21h), (25h) and (26h) pin ground connection (GND), (27h) and (28h) pin series capacitance (C22) and (C21) respectively, crystal oscillator in parallel (X1);
The JTAG program download module that described acceleration transducer data acquisition receives base plate (VIII) is double pin (J5), (1e) pin ground connection (GND) of double pin (J5), (2e) pin meets (VCC), (3e) pin connects (45f) pin P2.2 of the CPU of radio receiving transmitting module (I), (4e) pin connects (46f) pin P2.1 of the CPU of radio receiving transmitting module (I), (7e) pin connects (10f) pin RESET of the CPU of radio receiving transmitting module (I), (5e), (6e), (8e), (9e) and (10e) pin is unsettled.
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| CN2010101297731A CN101833017B (en) | 2010-03-22 | 2010-03-22 | Wireless calibration system of centrifugal micro-machine acceleration transducer |
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| CN2010101297731A CN101833017B (en) | 2010-03-22 | 2010-03-22 | Wireless calibration system of centrifugal micro-machine acceleration transducer |
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| CN102413552A (en) * | 2011-11-28 | 2012-04-11 | 东南大学 | Wireless sensor node and node-level/network-level energy-saving algorithm thereof |
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| CN105938149A (en) * | 2016-06-24 | 2016-09-14 | 南京理工大学 | Acceleration sensor-based acceleration recorder calibration device and method |
| CN105974155A (en) * | 2016-06-08 | 2016-09-28 | 中国工程物理研究院总体工程研究所 | Acceleration sensor low frequency calibration platform and usage method for the same |
| CN106248106A (en) * | 2016-09-18 | 2016-12-21 | 中国航空工业集团公司北京长城计量测试技术研究所 | The calibrator (-ter) unit that precision centrifuge and accurate attemperating unit are combined |
| CN106441358A (en) * | 2016-09-18 | 2017-02-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Centrifugal-pneumatic composite correction device |
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| CN102253235A (en) * | 2011-06-07 | 2011-11-23 | 陕西精进测控设备有限公司 | Method for measuring rotating speed and friction power consumption of centrifugal machine |
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| CN105938149B (en) * | 2016-06-24 | 2019-04-16 | 南京理工大学 | A kind of accelerograph calibrating installation and method based on acceleration transducer |
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| CN106441358A (en) * | 2016-09-18 | 2017-02-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Centrifugal-pneumatic composite correction device |
| CN106441358B (en) * | 2016-09-18 | 2018-08-03 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of compound calibrating installation of centrifugation-air pressure |
| CN112684209A (en) * | 2019-10-18 | 2021-04-20 | 株洲中车时代电气股份有限公司 | Acceleration sensor testing device and method |
| CN112684209B (en) * | 2019-10-18 | 2022-09-09 | 株洲中车时代电气股份有限公司 | Acceleration sensor testing device and method |
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