Attitude sensor circuit for signal acquisition of vibroseis vibrator

Abstract

The invention belongs to the technical field of sensors, and discloses an attitude sensor circuit for acquiring signals of a vibroseis vibrator, which comprises a data acquisition circuit, a data processing circuit, a data output circuit and a power supply circuit, the power supply circuit is used for providing working power for the data acquisition circuit, the data processing circuit and the data output circuit; the output end of the data acquisition circuit is connected with the input end of the data processing circuit, the output end of the data processing circuit is connected with the input end of the data output circuit, and the output end of the data output circuit is connected with an external computer. According to the invention, after the data acquisition circuit acquires acceleration data, the data processing circuit processes and optimizes the data, so that abnormal data output can be prevented, the harmonic components of the acquired information are few, and the low-frequency performance is excellent.

Description

Technical Field

[0001] The invention belongs to the technical field of sensors and relates to a posture sensor circuit for collecting vibrator signals of a controllable vibrator. Background Art

[0002] Vibrators are important excitation equipment in terrestrial geophysical exploration and production. With the continuous expansion of the exploration market at home and abroad, the awareness of safety, efficiency and environmental protection is increasing. Especially in exploration and construction in areas with tense security situations, vibrators are increasingly widely used due to their high efficiency, safety and environmental protection. my country began to develop vibrators in the 1980s, and has achieved great results through the development of KZ series vibrators, LFV3 low-frequency vibrators, EV-56 high-precision vibrators and shear wave vibrators to be developed. However, since the electronic control system of vibrators spans multiple disciplines and only serves the onshore exploration market, it is mainly monopolized by foreign countries.

[0003] With the widespread application of vibrators and the demand of oil companies for efficient acquisition of vibrators, independent synchronous scanning technology, ultra-efficient aliasing acquisition technology and dynamic sliding scanning of vibrators have been widely used. The electronic control system of vibrators, as the brain and central nervous control unit of vibrators, has reached a historical climax. The key control technology of the electronic control system of vibrators is to use attitude sensors to collect signals from vibrators. However, the current electronic control system of vibrators has many low-frequency harmonics, large distortion and easy interference during transmission in the process of controlling the construction of vibrators. Therefore, it is of great significance to produce an attitude sensor circuit for accurately collecting vibrator signals. Summary of the invention

[0004] The purpose of the present invention is to provide a posture sensor circuit for collecting controllable seismic source vibrator signals to solve the problems of many low-frequency harmonics, large distortion and susceptibility to interference during transmission of the electronic control system of the controllable seismic source in the process of controlling the construction of the controllable seismic source vibrator.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A posture sensor circuit for collecting vibrator signals of a controllable vibrator source, comprising a data collection circuit, a data processing circuit, a data output circuit and a power supply circuit;

[0007] The power supply circuit is used to provide working power to the data acquisition circuit, the data processing circuit, and the data output circuit;

[0008] The output end of the data acquisition circuit is connected to the input end of the data processing circuit, the output end of the data processing circuit is connected to the input end of the data output circuit, and the output end of the data output circuit is connected to an external computer.

[0009] As a limitation, the data acquisition circuit includes an acceleration sensor chip U1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7 and an eighth capacitor C8;

[0010] Pins 1 to 4 and pins 12 to 13 of the acceleration sensor chip U1 are connected to the data processing circuit; one end of the first capacitor C1 and one end of the second capacitor C2 are connected and then connected to pin 5 of the acceleration sensor chip U1 and the power supply voltage DVDD; the other end of the first capacitor C1 and the other end of the second capacitor C2 are connected and then connected to pin 6 of the acceleration sensor chip U1, the ground signal DGDD, one end of the third capacitor C3 and one end of the fourth capacitor C4; the other end of the third capacitor C3 and the other end of the fourth capacitor C4 are connected and then connected to pin 8 of the acceleration sensor chip U1; one end of the fifth capacitor C5 and one end of the sixth capacitor C6 are connected and then connected to pin 11 of the acceleration sensor chip U1 and the power supply voltage DVDD; the other end of the fifth capacitor C5 and the other end of the sixth capacitor C6 are connected and then connected to the ground signal DGDD, one end of the seventh capacitor C7, one end of the eighth capacitor C8 and pin 9 of the acceleration sensor chip U1; the other end of the seventh capacitor C7 and the other end of the eighth capacitor C8 are connected and then connected to pin 10 of the acceleration sensor chip U1.

[0011] As a further limitation, the model of the acceleration sensor chip U1 is ADXL357.

[0012] As a further limitation, the data processing circuit includes a single chip microcomputer U2, a serial communication interface COM, a program burning port P2 and a crystal resonator X1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11 and a twelfth capacitor C12;

[0013] Pin 29 of the single-chip microcomputer U2 is connected to pin 1 of the acceleration sensor chip U1, pin 30 of the single-chip microcomputer U2 is connected to pin 2 of the acceleration sensor chip U1, pin 32 of the single-chip microcomputer U2 is connected to pin 3 of the acceleration sensor chip U1, and pin 31 of the single-chip microcomputer U2 is connected to pin 4 of the acceleration sensor chip U1; pin 39 of the single-chip microcomputer U2 is connected to pin 14 of the acceleration sensor chip U1, pin 40 of the single-chip microcomputer U2 is connected to pin 13 of the acceleration sensor chip U1, pin 42 of the single-chip microcomputer U2 is connected to pin 12 of the acceleration sensor chip U1, and pin 57 of the single-chip microcomputer U2 is connected to pin 14 of the acceleration sensor chip U1; pin 25 of the single-chip microcomputer U2 is connected to the serial port communication The output end of the interface COM is connected, the 26th pin of the single-chip microcomputer U2 is connected to the input end of the serial communication interface COM, and the ground end of the serial communication interface COM is connected to the ground signal DGDD; the 68th to 69th pins of the single-chip microcomputer U2 are connected to the data output circuit, the 72nd pin of the single-chip microcomputer U2 is connected to the SWDIO pin of the program burning port P2, the 76th pin of the single-chip microcomputer U2 is connected to the SWCLK pin of the program burning port P2, the power supply end of the program burning port P2 is connected to the power supply voltage DVDD, and the ground end of the program burning port P2 is connected to the ground signal DGDD; the 96th pin of the single-chip microcomputer U2 is connected to one end of the first resistor R1, and the other end of the first resistor R1 is connected to the ground signal DGDD; the Pin 12 of the single-chip microcomputer U2 is connected to pin 3 of the crystal resonator X1, pin 2 of the crystal resonator X1 is connected to the ground signal DGDD, pin 1 of the crystal resonator X1 is connected to one end of the fourth resistor R4, the other end of the fourth resistor R4 is respectively connected to pin 4 of the crystal resonator X1, the power supply voltage DVDD and one end of the twelfth capacitor C12, and the other end of the twelfth capacitor C12 is connected to the ground signal DGDD; pin 94 of the single-chip microcomputer U2 is connected to one end of the second resistor R2, and the other end of the second resistor R2 is connected to the ground signal DGDD; pin 14 of the single-chip microcomputer U2 is respectively connected to one end of the third resistor R3 and one end of the ninth capacitor C9, and the other end of the third resistor R3 is connected to the power supply voltage DVDD The ninth capacitor C9 is connected, the other end of which is respectively connected to the ground signal DGDD and the pin 20 of the single-chip computer U2, and the pin 21 of the single-chip computer U2 is connected to the power supply voltage DVDD; the pin 73 of the single-chip computer U2 is connected to one end of the tenth capacitor C10, and the other end of the tenth capacitor C10 is connected to the ground signal DGDD; the pin 6, pin 50, pin 75, pin 100, pin 28, pin 11, pin 22 and pin 19 of the single-chip computer U2 are all connected to the power supply voltage DVDD; the pin 49 of the single-chip computer U2 is connected to one end of the eleventh capacitor C11, and the other end of the eleventh capacitor C11 is respectively connected to the pin 74, pin 99, pin 27, pin 10 of the single-chip computer U2 and the ground signal DGDD.

[0014] As a further limitation, the model of the single chip computer U2 is STM32F407VC, and the model of the crystal resonator X1 is XTAL8.192MHz.

[0015] As a further limitation, the data output circuit includes a level conversion chip U3, a pin header P3, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16 and a seventeenth capacitor C17;

[0016] Pin 11 of the level conversion chip U3 is connected to pin 68 of the single-chip microcomputer U2, and pin 12 of the level conversion chip U3 is connected to pin 69 of the single-chip microcomputer U2; pin 1 of the level conversion chip U3 is connected to pin 3 of the level conversion chip U3 through the fourteenth capacitor C14; pin 2 of the level conversion chip U3 is connected to one end of the fifteenth capacitor C15, pin 6 of the level conversion chip U3 is connected to one end of the sixteenth capacitor C16, the other end of the fifteenth capacitor C15 and the other end of the sixteenth capacitor C16 are both connected to pin 15 of the level conversion chip U3 and then connected to the ground signal DGDD; pin 4 of the level conversion chip U3 is connected to pin 5 of the level conversion chip U3 through the seventeenth capacitor C17; pin 13 of the level conversion chip U3 is connected to pin 2 of the pin header board P3, pin 14 of the level conversion chip U3 is connected to pin 1 of the pin header board P3, pin 4 of the pin header board P3 is connected to the ground signal DGDD, and pin 5 of the pin header board P3 is connected to the power input terminal VIN.

[0017] As a further limitation, the model of the level conversion chip is MP232, and the model of the pin header board P3 is Header5.

[0018] As a further limitation, the power supply circuit includes a voltage regulator U4, a fuse BT1, an eighteenth polarity capacitor C18, a nineteenth capacitor C19, a twentieth capacitor C20, a twenty-first capacitor C21, a twenty-second capacitor C22, a twenty-third capacitor C23, a twenty-fourth capacitor C24, a twenty-fifth capacitor C25, a twenty-sixth capacitor C26, a twenty-seventh capacitor C27, a twenty-eighth capacitor C28 and a twenty-ninth capacitor C29;

[0019] Pin 3 of the voltage regulator U4 is respectively connected to one end of the fuse BT1 and one end of the nineteenth capacitor C19, the other end of the fuse BT1 is respectively connected to the positive electrode of the eighteenth polarity capacitor C18 and the power input terminal VIN, the negative electrode of the eighteenth polarity capacitor C18 is respectively connected to the other end of the nineteenth capacitor C19, pin 1 of the voltage regulator U4, the ground signal DGDD, and one end of the twentieth capacitor C20, the other end of the twentieth capacitor C20 is connected to the power supply voltage DVDD and pin 2 of the voltage regulator U4; nine capacitors, namely the twenty-first capacitor C21 to the twenty-ninth capacitor C29, are connected between the power supply voltage DVDD and the ground signal DGDD for filtering.

[0020] As a further limitation, the voltage regulator U4 is of model LM1117.

[0021] Due to the adoption of the above technical solution, the present invention has the following technical advances compared with the prior art:

[0022] (1) The attitude sensor circuit for collecting vibrator signals of a controllable vibrator according to the present invention has few harmonic components and excellent low-frequency performance;

[0023] (2) After the present invention collects acceleration through the data collection circuit, it processes the data through the data processing circuit to optimize the output data and prevent abnormal data output.

[0024] In summary, in the process of the vibrator electronic control system controlling the vibrator construction, the present invention collects information with less harmonic components and excellent low-frequency performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Shown is a circuit schematic diagram of an embodiment of the present invention;

[0026] Figure 2 The figure shows the time-frequency diagram comparison between the embodiment of the present invention and the M6 ​​analog signal acceleration sensor at 5-120HZ;

[0027] Figure 3 The figure shows the comparison of the low frequency components of the embodiment of the present invention and the M6 ​​analog signal acceleration sensor at 5-120HZ;

[0028] Figure 4 The figure shows the time-frequency diagram comparison between the embodiment of the present invention and the M6 ​​analog signal acceleration sensor at 1-48HZ;

[0029] Figure 5 The figure shows the comparison of the low frequency components of the embodiment of the present invention and the M6 ​​analog signal acceleration sensor at 1-48HZ;

[0030] Figure 6The figure shows the time-frequency diagram comparison between the embodiment of the present invention and the M6 ​​analog signal acceleration sensor at 5-12HZ;

[0031] Figure 7 The figure shows the comparison of the low frequency components of 5-12 Hz between the embodiment of the present invention and the M6 ​​analog signal acceleration sensor. DETAILED DESCRIPTION

[0032] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0033] Embodiment A posture sensor circuit for collecting vibrator signals of a controllable vibrator

[0034] like Figure 1 As shown, this embodiment is a posture sensor circuit for collecting controllable vibrator vibrator signals, including a data acquisition circuit, a data processing circuit, a data output circuit and a power supply circuit; the power supply circuit is used to provide working power to the data acquisition circuit, the data processing circuit and the data output circuit; the output end of the data acquisition circuit is connected to the input end of the data processing circuit, the output end of the data processing circuit is connected to the input end of the data output circuit, and the output end of the data output circuit is connected to an external computer.

[0035] The data acquisition circuit includes an acceleration sensor chip U1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7 and an eighth capacitor C8; the model of the acceleration sensor chip U1 is ADXL357. The ADXL357 contains a tiny acceleration sensor inside, and its structure consists of a stationary micro surface and a mass block; under the action of acceleration, the mass block will have a small displacement relative to the stationary micro surface; when the acceleration changes, the displacement of the mass block will cause the capacitance value between the micro surface and the mass block to change; ADXL357 detects and measures acceleration by measuring this capacitance change. Specifically, ADXL357 measures acceleration by comparing the capacitance formed between the stationary micro surface and the mass block with a reference capacitor. When the mass block is displaced, the capacitance value between the two will change. ADXL357 measures acceleration by converting capacitance into voltage or current output.

[0036] Among them, pin 1 (CS pin), pin 2 (SCLK pin), pin 3 (MOSI pin), pin 4 (MISO pin), pin 12 (INT1 pin), pin 13 (INT2 pin) and pin 14 (DRDY pin) of the acceleration sensor chip U1 are all data output ports of the acceleration sensor chip U1, pins 1 to 4 and pins 12 to 13 of the acceleration sensor chip U1 are connected to the data processing circuit, one end of the first capacitor C1 and one end of the second capacitor C2 are connected to the power supply port pin 5 (VDDIO pin) and the power supply voltage DVDD of the acceleration sensor chip U1, and the other end of the first capacitor C1 and the other end of the second capacitor C2 are connected to the ground port pin 6 (VSSIO pin) and the ground signal DGD of the acceleration sensor chip U1. D. One end of the third capacitor C3 is connected to one end of the fourth capacitor C4, and the other end of the third capacitor C3 is connected to the other end of the fourth capacitor C4 and then connected to pin 8 (pin V1P8DIG) of the acceleration sensor chip U1; one end of the fifth capacitor C5 is connected to one end of the sixth capacitor C6 and then connected to pin 11 (pin Vsupply) of the power supply port of the acceleration sensor chip U1 and the power supply voltage DVDD, respectively; the other end of the fifth capacitor C5 and the other end of the sixth capacitor C6 are connected and then connected to the ground signal DGDD, one end of the seventh capacitor C7, one end of the eighth capacitor C8 and pin 9 (pin VSS) of the ground port of the acceleration sensor chip U1, and the other end of the seventh capacitor C7 and the other end of the eighth capacitor C8 are connected and then connected to pin 10 (pin V1P8ANA) of the acceleration sensor chip U1.

[0037] The data processing circuit includes a single-chip computer U2, a serial communication interface COM, a program burning port P2 and a crystal resonator X1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11 and a twelfth capacitor C12; the model of the single-chip computer U2 is STM32F407VC, and the model of the crystal resonator X1 is XTAL8.192MHz.

[0038] Among them, the 29th pin (PA4 pin) of the single-chip microcomputer U2 is connected to the 1st pin (CS pin) of the acceleration sensor chip U1, the 30th pin (PA5 pin) of the single-chip microcomputer U2 is connected to the 2nd pin (SCLK pin) of the acceleration sensor chip U1, the 32nd pin (PA7 pin) of the single-chip microcomputer U2 is connected to the 3rd pin (MOSI pin) of the acceleration sensor chip U1, the 31st pin (PA6 pin) of the single-chip microcomputer U2 is connected to the 4th pin (MISO pin) of the acceleration sensor chip U1; the 39th pin (PE8 pin) of the single-chip microcomputer U2 is connected to the 14th pin (DRDY pin) of the acceleration sensor chip U1, the 40th pin (PE9 pin) of the single-chip microcomputer U2 is connected to the acceleration sensor chip U1. The 13th pin (INT2 pin) of the acceleration sensor chip U1 is connected, the 42nd pin (PE11 pin) of the single-chip computer U2 is connected to the 12th pin (INT1 pin) of the acceleration sensor chip U1, the 57th pin (PD10 pin) of the single-chip computer U2 is connected to the 14th pin (DRDY pin) of the acceleration sensor chip U1; the 25th pin (PA2 pin) of the single-chip computer U2 is connected to the output end (1 pin) of the serial communication interface COM, the 26th pin (PA3 pin) of the single-chip computer U2 is connected to the input end (2 pin) of the serial communication interface COM, the ground end (3 pin) of the serial communication interface COM is connected to the ground signal DGDD; the 68th pin (PA9 pin) of the single-chip computer U2 is connected to the ground signal DGDD. ), 69 pin (PA10 pin) is connected to the data output circuit, 72 pin (PA13 pin) of the single-chip microcomputer U2 is connected to the SWDIO pin (3 pin) of the program burning port P2, 76 pin (PA14 pin) of the single-chip microcomputer U2 is connected to the SWCLK pin (2 pin) of the program burning port P2, the power supply terminal (1 pin) of the program burning port P2 is connected to the power supply voltage DVDD, and the ground terminal (4 pin) of the program burning port P2 is connected to the ground signal DGDD; the clock synchronization signal port 96 pin (PB9 pin) of the single-chip microcomputer U2 is connected to one end of the first resistor R1, and the other end of the first resistor R1 is connected to the ground signal DGDD; the crystal oscillator signal input of the single-chip microcomputer U2 The inlet 12 pin (PH0-OSC_IN pin) is connected to the 3 pin (Out pin) of the crystal resonator X1, the ground port 2 pin (GND pin) of the crystal resonator X1 is connected to the ground signal DGDD, the 1 pin (OE pin) of the crystal resonator X1 is connected to one end of the fourth resistor R4, the other end of the fourth resistor R4 is respectively connected to the 4 pin (Vcc pin) of the crystal resonator X1, the power supply voltage DVDD and one end of the twelfth capacitor C12, and the other end of the twelfth capacitor C12 is connected to the ground signal DGDD; the 94 pin (BOOT0 pin) of the single-chip computer U2 is connected to one end of the second resistor R2, and the other end of the second resistor R2 is connected to the ground signal DGDD;The reset pin 14 pin (NRST pin) of the single-chip computer U2 is respectively connected to one end of the third resistor R3 and one end of the ninth capacitor C9, the other end of the third resistor R3 is connected to the power supply voltage DVDD, the other end of the ninth capacitor C9 is respectively connected to the ground signal DGDD and the simulator ground 20 pin (VSSA pin) of the single-chip computer U2, the analog reference power negative electrode 21 pin (VREF+ pin) of the single-chip computer U2 is connected to the power supply voltage DVDD; the 73 pin (VCAP_2 pin) of the single-chip computer U2 is connected to one end of the tenth capacitor C10, and the other end of the tenth capacitor C10 is connected to the ground signal DGDD; the positive electrode 6 pin (VBAT pin) of the backup power supply of the single-chip computer U2 and the positive power supply Pin 50 (VDD pin), positive power supply pin 75 (VDD pin), positive power supply pin 100 (VDD pin), positive power supply pin 28 (VDD pin), positive power supply pin 11 (VDD pin), positive analog power supply pin 22 (VDDA pin) and positive power supply pin 19 (VDD pin) are all connected to the power supply voltage DVDD; Pin 49 (VCAP_1 pin) of the single-chip computer U2 is connected to one end of the eleventh capacitor C11, and the other end of the eleventh capacitor C11 is respectively connected to Pin 74 (VSS pin), Pin 99 (RFU pin), Pin 27 (VSS pin), Pin 10 (VSS pin) of the single-chip computer U2 and the ground signal DGDD. ;

[0039] The data output circuit includes a level conversion chip U3, a pin header board P3, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16 and a seventeenth capacitor C17; the model of the level conversion chip is MP232, and the model of the pin header board P3 is Header5.

[0040] Among them, the 11th pin (T1IN pin) of the level conversion chip U3 is connected to the 68th pin (PA9 pin) of the single-chip microcomputer U2, and the 12th pin (ROUT1 pin) of the level conversion chip U3 is connected to the 69th pin (PA10 pin) of the single-chip microcomputer U2; the 1st pin (C1+ pin) of the level conversion chip U3 is connected to the 3rd pin (C1- pin) of the level conversion chip U3 through the fourteenth capacitor C14; the 2nd pin (V+ pin) of the level conversion chip U3 is connected to one end of the fifteenth capacitor C15, and the level conversion Pin 6 (V-pin) of chip U3 is connected to one end of the sixteenth capacitor C16, the other end of the fifteenth capacitor C15 and the other end of the sixteenth capacitor C16 are both connected to pin 15 (VSS pin) of the level conversion chip U3 and then connected to the ground signal DGDD; pin 4 (C2+ pin) of the level conversion chip U3 is connected to pin 5 (C2- pin) of the level conversion chip U3 through the seventeenth capacitor C17; pin 13 (RIN1 pin) of the level conversion chip U3 is connected to pin 2 (RS1 RX pin) of the pin header board P3, pin 14 (T1OUT pin) of the level conversion chip U3 is connected to pin 1 (RX1 TX pin) of the pin header board P3, pin 4 of the pin header board P3 is connected to the ground signal DGDD, and pin 5 of the pin header board P3 is connected to the power input terminal VIN.

[0041] The power supply circuit includes a voltage regulator U4, a fuse BT1, an eighteenth polarity capacitor C18, a nineteenth capacitor C19, a twentieth capacitor C20, a twenty-first capacitor C21, a twenty-second capacitor C22, a twenty-third capacitor C23, a twenty-fourth capacitor C24, a twenty-fifth capacitor C25, a twenty-sixth capacitor C26, a twenty-seventh capacitor C27, a twenty-eighth capacitor C28 and a twenty-ninth capacitor C29; the model of the voltage regulator U4 is LM1117.

[0042] Pin 3 (VIN pin) of the voltage regulator U4 is respectively connected to one end of the fuse BT1 and one end of the nineteenth capacitor C19, the other end of the fuse BT1 is respectively connected to the positive electrode of the eighteenth polarity capacitor C18 and the power input terminal VIN, the negative electrode of the eighteenth polarity capacitor C18 is respectively connected to the other end of the nineteenth capacitor C19, pin 1 (GND pin) of the voltage regulator U4, the ground signal DGDD, and one end of the twentieth capacitor C20, the other end of the twentieth capacitor C20 is connected to the power supply voltage DVDD and pin 2 (VOUT pin) of the voltage regulator U4; nine capacitors, namely the twenty-first capacitor C21 to the twenty-ninth capacitor C29, are connected between the power supply voltage DVDD and the ground signal DGDD for filtering.

[0043] The working principle of this embodiment is: the power supply circuit provides a stable voltage to the data acquisition circuit, the data processing circuit, and the data output circuit; the data acquisition circuit processes the collected object motion state information and transmits it to the data processing circuit for further processing; after the data processing circuit processes the data, it realizes simultaneous output of the x, y, and z axes and can control the output length; since the output is a digital signal, the data processing circuit optimizes the output data internally to prevent abnormal data output, and then transmits the information to an external computer through the data output circuit for subsequent operations.

[0044] In order to prove the effect of this embodiment, this embodiment was tested on an EV56 controllable source vibrator, and a data acquisition comparison test was performed with an M6 analog signal acceleration sensor owned by Seismic Source Company of the United States. The EV56 controllable source vibrator was subjected to vibration test according to the test requirements in Table 1, and the M6 ​​analog signal acceleration sensor data and the vibration data of this embodiment were recorded simultaneously.

[0045] Table 1

[0046]

[0047] (1) When the parameter scanning frequency is 5-120HZ, the scanning type is linear, the scanning length is 20S, the starting slope is 0.5ms, the ending slope is 0.5ms, and the output is 60%, the time-frequency diagram of this embodiment and the M6 ​​analog signal acceleration sensor are compared, and the low-frequency component comparison is shown in FIG. Figure 2-3 As shown. Figure 2 It can be seen that the harmonic components of this embodiment are small. Figure 3 It can be seen that the low-frequency performance of this embodiment is better.

[0048] (2) When the parameter scanning frequency is 1-48HZ, the scanning type is linear, the scanning length is 20S, the starting slope is 0.5ms, the ending slope is 0.5ms, and the output is 30%, the time-frequency diagram of this embodiment and the M6 ​​analog signal acceleration sensor are compared, and the low-frequency component comparison is shown in FIG. Figure 4-5 As shown. Figure 4 It can be seen that the harmonic components of this embodiment are small. Figure 5 It can be seen that the low-frequency performance of this embodiment is better.

[0049] (3) When the parameter scanning frequency is 5-12HZ, the scanning type is linear, the scanning length is 20S, the starting slope is 0.5ms, the ending slope is 0.5ms, and the output is 50%, the time-frequency diagram of this embodiment and the M6 ​​analog signal acceleration sensor are compared, and the low-frequency component comparison is shown in FIG. Figure 6-7 As shown. Figure 6It can be seen that the harmonic components of this embodiment are small. Figure 7 It can be seen that the low-frequency performance of this embodiment is better.

[0050] It should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A posture sensor circuit for collecting vibrator signals of a controllable source, characterized in that: It includes a data acquisition circuit, a data processing circuit, a data output circuit and a power supply circuit; The power supply circuit is used to provide working power to the data acquisition circuit, the data processing circuit, and the data output circuit; The output end of the data acquisition circuit is connected to the input end of the data processing circuit, the output end of the data processing circuit is connected to the input end of the data output circuit, and the output end of the data output circuit is connected to an external computer.

2. The attitude sensor circuit for collecting vibrator signals of a controllable vibrator according to claim 1, characterized in that: The data acquisition circuit includes an acceleration sensor chip U1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7 and an eighth capacitor C8; Pins 1 to 4 and pins 12 to 13 of the acceleration sensor chip U1 are connected to the data processing circuit; one end of the first capacitor C1 and one end of the second capacitor C2 are connected and then connected to pin 5 of the acceleration sensor chip U1 and the power supply voltage DVDD; the other end of the first capacitor C1 and the other end of the second capacitor C2 are connected and then connected to pin 6 of the acceleration sensor chip U1, the ground signal DGDD, one end of the third capacitor C3 and one end of the fourth capacitor C4; the other end of the third capacitor C3 and the other end of the fourth capacitor C4 are connected and then connected to pin 8 of the acceleration sensor chip U1; one end of the fifth capacitor C5 and one end of the sixth capacitor C6 are connected and then connected to pin 11 of the acceleration sensor chip U1 and the power supply voltage DVDD; the other end of the fifth capacitor C5 and the other end of the sixth capacitor C6 are connected and then connected to the ground signal DGDD, one end of the seventh capacitor C7, one end of the eighth capacitor C8 and pin 9 of the acceleration sensor chip U1; the other end of the seventh capacitor C7 and the other end of the eighth capacitor C8 are connected and then connected to pin 10 of the acceleration sensor chip U1.

3. The attitude sensor circuit for collecting vibrator signals of a controllable vibrator according to claim 2, characterized in that: The model of the acceleration sensor chip U1 is ADXL357.

4. The attitude sensor circuit for collecting vibrator signals of a controllable vibrator according to claim 2 or 3, characterized in that: The data processing circuit includes a single chip microcomputer U2, a serial communication interface COM, a program burning port P2 and a crystal resonator X1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11 and a twelfth capacitor C12; Pin 29 of the single-chip microcomputer U2 is connected to pin 1 of the acceleration sensor chip U1, pin 30 of the single-chip microcomputer U2 is connected to pin 2 of the acceleration sensor chip U1, pin 32 of the single-chip microcomputer U2 is connected to pin 3 of the acceleration sensor chip U1, and pin 31 of the single-chip microcomputer U2 is connected to pin 4 of the acceleration sensor chip U1; pin 39 of the single-chip microcomputer U2 is connected to pin 14 of the acceleration sensor chip U1, pin 40 of the single-chip microcomputer U2 is connected to pin 13 of the acceleration sensor chip U1, pin 42 of the single-chip microcomputer U2 is connected to pin 12 of the acceleration sensor chip U1, and pin 57 of the single-chip microcomputer U2 is connected to pin 14 of the acceleration sensor chip U1; pin 25 of the single-chip microcomputer U2 is connected to the serial port communication The output end of the interface COM is connected, the 26th pin of the single-chip microcomputer U2 is connected to the input end of the serial communication interface COM, and the ground end of the serial communication interface COM is connected to the ground signal DGDD; the 68th pin to the 69th pin of the single-chip microcomputer U2 is connected to the data output circuit, the 72nd pin of the single-chip microcomputer U2 is connected to the SWDIO pin of the program burning port P2, the 76th pin of the single-chip microcomputer U2 is connected to the SWCLK pin of the program burning port P2, the power supply end of the program burning port P2 is connected to the power supply voltage DVDD, and the ground end of the program burning port P2 is connected to the ground signal DGDD; the 96th pin of the single-chip microcomputer U2 is connected to one end of the first resistor R1, and the other end of the first resistor R1 is connected to the ground signal DGDD; the Pin 12 of the single-chip microcomputer U2 is connected to pin 3 of the crystal resonator X1, pin 2 of the crystal resonator X1 is connected to the ground signal DGDD, pin 1 of the crystal resonator X1 is connected to one end of the fourth resistor R4, the other end of the fourth resistor R4 is respectively connected to pin 4 of the crystal resonator X1, the power supply voltage DVDD and one end of the twelfth capacitor C12, and the other end of the twelfth capacitor C12 is connected to the ground signal DGDD; pin 94 of the single-chip microcomputer U2 is connected to one end of the second resistor R2, and the other end of the second resistor R2 is connected to the ground signal DGDD; pin 14 of the single-chip microcomputer U2 is respectively connected to one end of the third resistor R3 and one end of the ninth capacitor C9, and the other end of the third resistor R3 is connected to the power supply voltage DVDD The ninth capacitor C9 is connected, the other end of which is respectively connected to the ground signal DGDD and the pin 20 of the single-chip computer U2, and the pin 21 of the single-chip computer U2 is connected to the power supply voltage DVDD; the pin 73 of the single-chip computer U2 is connected to one end of the tenth capacitor C10, and the other end of the tenth capacitor C10 is connected to the ground signal DGDD; the pin 6, pin 50, pin 75, pin 100, pin 28, pin 11, pin 22 and pin 19 of the single-chip computer U2 are all connected to the power supply voltage DVDD; the pin 49 of the single-chip computer U2 is connected to one end of the eleventh capacitor C11, and the other end of the eleventh capacitor C11 is respectively connected to the pin 74, pin 99, pin 27, pin 10 of the single-chip computer U2 and the ground signal DGDD.

5. The attitude sensor circuit for collecting vibrator signals of a vibrator according to claim 4, characterized in that: The model of the single chip microcomputer U2 is STM32F407VC, and the model of the crystal resonator X1 is XTAL8.192MHz.

6. The attitude sensor circuit for collecting vibrator signals of a controllable vibrator according to claim 5, characterized in that: The data output circuit includes a level conversion chip U3, a pin board P3, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16 and a seventeenth capacitor C17; Pin 11 of the level conversion chip U3 is connected to pin 68 of the single-chip microcomputer U2, and pin 12 of the level conversion chip U3 is connected to pin 69 of the single-chip microcomputer U2; pin 1 of the level conversion chip U3 is connected to pin 3 of the level conversion chip U3 through the fourteenth capacitor C14; pin 2 of the level conversion chip U3 is connected to one end of the fifteenth capacitor C15, pin 6 of the level conversion chip U3 is connected to one end of the sixteenth capacitor C16, the other end of the fifteenth capacitor C15 and the other end of the sixteenth capacitor C16 are both connected to pin 15 of the level conversion chip U3 and then connected to the ground signal DGDD; pin 4 of the level conversion chip U3 is connected to pin 5 of the level conversion chip U3 through the seventeenth capacitor C17; pin 13 of the level conversion chip U3 is connected to pin 2 of the pin header board P3, pin 14 of the level conversion chip U3 is connected to pin 1 of the pin header board P3, pin 4 of the pin header board P3 is connected to the ground signal DGDD, and pin 5 of the pin header board P3 is connected to the power input terminal VIN.

7. The attitude sensor circuit for collecting vibrator signals of a controllable vibrator according to claim 6, characterized in that: The model of the level conversion chip is MP232, and the model of the pin header board P3 is Header5.

8. The attitude sensor circuit for collecting vibrator signals of a controllable vibrator according to claim 1, characterized in that: The power supply circuit includes a voltage regulator U4, a fuse BT1, an eighteenth polarity capacitor C18, a nineteenth capacitor C19, a twentieth capacitor C20, a twenty-first capacitor C21, a twenty-second capacitor C22, a twenty-third capacitor C23, a twenty-fourth capacitor C24, a twenty-fifth capacitor C25, a twenty-sixth capacitor C26, a twenty-seventh capacitor C27, a twenty-eighth capacitor C28 and a twenty-ninth capacitor C29; Pin 3 of the voltage regulator U4 is respectively connected to one end of the fuse BT1 and one end of the nineteenth capacitor C19, the other end of the fuse BT1 is respectively connected to the positive electrode of the eighteenth polarity capacitor C18 and the power input terminal VIN, the negative electrode of the eighteenth polarity capacitor C18 is respectively connected to the other end of the nineteenth capacitor C19, pin 1 of the voltage regulator U4, the ground signal DGDD, and one end of the twentieth capacitor C20, the other end of the twentieth capacitor C20 is connected to the power supply voltage DVDD and pin 2 of the voltage regulator U4; nine capacitors, namely the twenty-first capacitor C21 to the twenty-ninth capacitor C29, are connected between the power supply voltage DVDD and the ground signal DGDD for filtering.

9. The attitude sensor circuit for collecting vibrator signals of a vibrator according to claim 8, characterized in that: The model of the voltage regulator U4 is LM1117.

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