CN112925009B - Multicomponent lunar seismic detector system suitable for moon - Google Patents
Multicomponent lunar seismic detector system suitable for moon Download PDFInfo
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- CN112925009B CN112925009B CN202110096391.1A CN202110096391A CN112925009B CN 112925009 B CN112925009 B CN 112925009B CN 202110096391 A CN202110096391 A CN 202110096391A CN 112925009 B CN112925009 B CN 112925009B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
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Abstract
The invention relates to a multi-component lunar seismic detector system suitable for a moon, which adopts a brand new structure design, uses a box body (1) as a carrier, designs and applies a plurality of groups of vibration detection devices to form each capacitance sensor structure, obtains the position change of a moving shaft (3) connected with each mass block (2) between two mica fixing devices based on the movement of each mass block (2) along the preset lunar seismic detection direction, and detects the position change of the moving shaft (3) by a mica sheet (6) on the mica fixing devices to realize the output of lunar seismic signals in the lunar seismic detection direction corresponding to the capacitance sensor structure.
Description
Technical Field
The invention relates to a multicomponent lunar seismic detector system suitable for the moon, and belongs to the technical field of lunar seismic detection.
Background
The detector system of the lunar seismic detector can measure the seismic condition of the moon, can accurately and reliably measure various states of lunar seismic, and provides objective data for deeply researching a physical mechanism formed by the lunar seismic, the internal structure of the moon, establishing a detailed model of the internal structure of the moon, and deducing the material composition and the structural dynamics evolution process in the moon.
After the lunar seismic detector is in soft landing on the surface of the moon, the lunar seismic signal needs to be measured, and the quality of the detector directly influences the quality of the measured lunar seismic signal because the detector is the first link of the lunar seismic detector for measuring the lunar seismic, so that the precision of the detector for measuring the lunar seismic signal needs to be improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multicomponent lunar seismic detector system suitable for the moon, which adopts a brand new structural design, can realize lunar seismic wave measurement in a large dynamic range and improve the working efficiency of the lunar seismic measurement.
The invention adopts the following technical scheme for solving the technical problems: the invention designs a multi-component lunar seismic detector system suitable for the moon, which is used for being arranged on a landing bin and detecting lunar seismic in each preset lunar seismic detection direction, and comprises a box body and at least two groups of vibration detection devices arranged in the box body; each group of vibration detection devices respectively comprises a mass block, a moving shaft, two mica fixing devices and two springs with the same specification;
in the structure of each group of vibration detection devices, the central positions of two opposite ends of a mass block are respectively butted with one end of each spring, the other end of each spring is respectively butted with two opposite surfaces in a box body, the two springs are respectively collinear with each other along the extension directions of the springs, the mass block moves back and forth along the collinear direction, one end of a moving shaft is fixedly butted with the surface of the mass block, the straight line of the moving shaft is vertical to the collinear direction of the two springs, the moving shaft moves along with the movement of the mass block along the collinear direction of the extension directions of the two springs, the two mica fixing devices are both positioned in the box body and have the same structure, the two mica fixing devices respectively comprise a fixed shaft and mica sheets, the mica sheets are connected with the side surfaces of the corresponding fixed shafts, the two mica fixing devices are respectively arranged at two sides of the moving shaft, the two mica fixing devices are arranged in the direction of the moving path of the moving shaft, the mica sheets in the two mica fixing devices respectively face the moving shaft, the mica sheets in the two mica fixing devices are externally connected with signal output ends, and the vibration detection devices are formed into a signal output end;
the moving direction of the mass block in each group of vibration detection devices respectively corresponds to the preset lunar seismic detection direction of the multi-component lunar seismic detector system.
As a preferred technical scheme of the invention: each group of vibration detection devices respectively comprises a stopper, wherein in the structure of each group of vibration detection devices, one end of each stopper is in butt joint with the corresponding mass block, the other end of each stopper is in butt joint with the surface inside the box body, and the stopper is used for limiting the movement of the connected mass block in the moving direction of the stopper.
As a preferred technical scheme of the invention: at least one side surface of each side surface of the mass block in each group of vibration detection devices, which corresponds to the moving direction of the mass block and is not arranged corresponding to the moving shaft, faces the interior of the box body, and each side surface is defined as a base surface of the mass block; each group of vibration detection devices respectively comprises smooth plates with the number equal to that of the foundation surfaces on the corresponding mass blocks, each smooth plate is in one-to-one correspondence with each foundation surface on the corresponding mass block in each group of vibration detection devices, each smooth plate is respectively arranged on the surface of the corresponding mass block, which faces the interior of the box body, of the corresponding foundation surface, and each foundation surface on the mass block is in contact with the surface of the corresponding smooth plate.
As a preferred technical scheme of the invention: and each basic surface of the mass block in each group of vibration detection devices comprises the other side surface opposite to the side surface arranged corresponding to the moving shaft.
As a preferred technical scheme of the invention: each group of vibration detection devices respectively comprises one supporting frame or two supporting frames;
if the vibration detection device comprises two support frames, two mica fixing devices in the vibration detection device are respectively connected with the surface inside the box body through the support frames, so that the arrangement of the two mica fixing devices in the box body is realized;
if the vibration detection device comprises a support frame, the vibration detection device further comprises a non-conductive connecting piece, two mica fixing devices in the vibration detection device are connected through the connecting piece, one mica fixing device is connected with the surface inside the box body through the support frame, and then the arrangement of the two mica fixing devices in the box body is achieved.
As a preferred technical scheme of the invention: the tail cone is connected with the surface of the box body.
As a preferred technical scheme of the invention: the vibration detection device comprises a vibration detection device, and is characterized by further comprising an amplifying circuit, a sampling and holding circuit, multiple switches, an A/D converter, an operational amplifier and a single chip microcomputer, wherein the signal output ends of the vibration detection devices are sequentially connected with the amplifying circuit and the sampling and holding circuit in series, the output end of the sampling and holding circuit, the input end of the A/D converter and the output end of the operational amplifier are in butt joint through the multiple switches, the multiple switches are used for controlling the input end of the A/D converter to be selected and connected with the output end of the sampling and holding circuit or the output end of the operational amplifier, the output end of the A/D converter is in butt joint with the input end of the single chip microcomputer, and the output end of the single chip microcomputer is in butt joint with the input end of the operational amplifier.
As a preferred technical scheme of the invention: the amplifying circuit comprises a first impedance R1, a second impedance R2, a third impedance R3, a fourth impedance R4, a fifth impedance R5, a sixth impedance R6, a first NPN type triode T1 and a second NPN type triode T2; one end of the first impedance R1, one end of the fourth impedance R4 and the base electrode of the first NPN type triode are connected, the connecting positions form the positive input end of the amplifying circuit, and the other end of the fourth impedance R4 forms the negative input end of the amplifying circuit; an emitting electrode of the first NPN-type triode T1 is connected to one end of the fifth impedance R5, a collector electrode of the first NPN-type triode T1, one end of the second impedance R2, and a base electrode of the second NPN-type triode T2 are connected to one end of the sixth impedance R6, the other end of the sixth impedance R6 forms a negative output terminal of the amplifying circuit, a collector electrode of the second NPN-type triode T2 is connected to one end of the third impedance R3, and the connection position forms a positive output terminal of the amplifying circuit, the other end of the first impedance R1, the other end of the second impedance R2, and the other end of the third impedance R3 are connected to one another, and the connection position is externally connected to a voltage, and the other end of the fourth impedance R4, the other end of the fifth impedance R5, and the other end of the first impedance R6 are connected to ground.
As a preferred technical scheme of the invention: the operational amplifier comprises an operational amplifier A1, a seventh impedance R7, an eighth impedance R8, a ninth impedance R9, a tenth impedance R10 and an eleventh impedance R11; the positive input end of the operational amplifier A1 is in butt joint with one end of an eleventh impedance R11, the other end of the eleventh impedance R11 is grounded, the negative input end of the operational amplifier A1, one end of an eighth impedance R8 and one end of a tenth impedance R10 are connected, the other end of the tenth impedance R10 forms the input end of the operational amplifier, the other end of the eighth impedance R8, one end of a seventh impedance R7 and one end of a ninth impedance R9 are connected, the other end of the ninth impedance R9 is grounded, the other end of the seventh impedance R7 is connected with the output end of the operational amplifier A1, and the connection position forms the output end of the operational amplifier.
As a preferred technical scheme of the invention: the sampling hold circuit comprises a high-gain amplifier A2, a sampling switch E, a holding capacitor C and a voltage follower A3; the positive input end of the high-gain amplifier A2 forms the input end of the sample-and-hold circuit, the output end of the high-gain amplifier A2 is connected with the sampling switch E in series and then is respectively connected with one end of the holding capacitor C and the positive input end of the voltage follower A3, the other end of the holding capacitor C is grounded, the negative input end and the output end of the high-gain amplifier A2 are connected with each other, the negative input end and the output end of the voltage follower A3 are connected with each other, and the connected positions form the output end of the sample-and-hold circuit.
Compared with the prior art, the multi-component lunar seismic detector system suitable for the moon has the following technical effects by adopting the technical scheme:
the invention designs a multi-component lunar seismic detector system suitable for the moon, which adopts a brand new structure design, takes a box body as a carrier, designs and applies a plurality of groups of vibration detection devices to form each capacitance sensor structure, obtains the position change of a moving shaft connected with a mass block between two mica fixing devices based on the movement of each mass block along the preset lunar seismic detection direction, and obtains the position change of the moving shaft by the detection of mica sheets on the mica fixing devices, thereby realizing the output of lunar seismic signals in the lunar seismic detection direction corresponding to the capacitance sensor structure.
Drawings
FIG. 1 is a schematic diagram of the structure of the detection portion of the multicomponent geophone system designed for use in the moon in accordance with the present invention;
FIG. 2 is a schematic diagram of the construction of a multicomponent geophone system designed for use with the moon in accordance with the present invention;
FIG. 3 is a schematic diagram of an amplification circuit in a multicomponent geophone system designed for use with the moon in accordance with the present invention;
FIG. 4 is a schematic diagram of an operational amplifier in a multicomponent geophone system designed for use with the moon in accordance with the present invention;
FIG. 5 is a schematic diagram of a sample-and-hold circuit in a multicomponent geophone system designed for use with the moon in accordance with the present invention.
The device comprises a box body 1, a mass block 2, a moving shaft 3, a spring 4, a fixed shaft 5, a mica sheet 6, a limiter 7, a smooth plate 8, a support frame 9, a connecting piece 10 and a tail cone 11.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
The invention specifically designs a multi-component lunar seismic detector system suitable for the moon, which is used for being arranged on a landing bin and detecting lunar seismic in the preset detection direction of each lunar seismic, and in practical application, as shown in figure 1, the system comprises a box body 1, a tail cone 11 and at least two groups of vibration detection devices arranged in the box body 1; each group of vibration detection devices respectively comprises a mass block 2, a moving shaft 3, two mica fixing devices and two springs 4 with the same specification.
In the structure of each group of vibration detection devices, the central positions of two opposite ends of the mass block 2 are respectively butted with one end of each spring 4, the other end of each spring 4 is respectively butted with two opposite sides in the box body 1, the straight lines of the two springs 4 in the stretching directions are collinear with each other, the mass block 2 moves back and forth along the collinear direction, one end of the moving shaft 3 is fixedly butted with the surface of the mass block 2, the straight line of the moving shaft 3 is perpendicular to the collinear line of the two springs 4 in the stretching directions, the moving shaft 3 moves along with the movement of the mass block 2 along the collinear direction of the two springs 4 in the stretching directions, the two mica fixing devices are positioned in the box body 1 and have the same structure, the two mica fixing devices respectively comprise a fixed shaft 5 and mica sheets 6, in application, the mica sheets 6 are designed to be made of high-quality pure white mica, the mica sheets 6 are connected to the side surfaces of the corresponding fixed shafts 5, the two mica fixing devices are respectively arranged at two sides of the moving shaft 3, the two mica fixing devices are arranged at two sides of the moving shaft 3, the mica sheets 6 respectively face the moving shaft 3, the two mica fixing devices, the two mica sheets 6 are respectively, the fixed devices are respectively, the output ends of the vibration detection devices, and form a signal output end of the external vibration detection device.
Through each group of vibration detection devices, each capacitance sensor structure is formed respectively, for each capacitance sensor structure, the capacitance can be increased after the mica sheet 6 is added, the sensitivity of the capacitance sensor structure is improved, the dielectric constant of the high-quality pure white mica sheet is 7.3, and the dielectric constant of air is 1, so that the sensing capacity of the sensor can be increased by 7.3 times after the high-quality pure white mica is added into the capacitance sensor structure.
The tail cone 11 is connected with the surface of the box body 1, and the moving directions of the mass blocks 2 in each group of vibration detection devices respectively correspond to the preset lunar seismic detection directions of the multi-component lunar seismic detector system.
In practical application, each group of vibration detection devices is further designed to further comprise a stopper 7, in the structure of each group of vibration detection devices, one end of each stopper 7 is in butt joint with the corresponding mass block 2, the other end of each stopper 7 is in butt joint with the surface inside the box body 1, and the stopper 7 is used for limiting the movement of the connected mass block 2 in the moving direction of the connected mass block.
In practical application, for each group of vibration detection devices, at least one surface of each side surface, which is arranged on the mass block 2 corresponding to the moving direction of the mass block and is not corresponding to the moving shaft 3, is arranged on the box body 1, and each side surface is defined as a base surface of the mass block 3; each group of vibration detection device further comprises smooth plates 8 with the number equal to that of the base surfaces on the corresponding mass block 3, each smooth plate 8 corresponds to each base surface on the corresponding mass block 3 one by one in each group of vibration detection device structure, each smooth plate 8 is arranged on the surface of the corresponding mass block 3 facing the inside of the box body 1, and each base surface on the mass block 3 contacts with the surface of the corresponding smooth plate 8.
For the sliding design of the mass block 2 on the smooth plate 8 contacted by the mass block in each group of vibration detection devices, the specific design limits the other side surface opposite to the side surface arranged corresponding to the moving shaft 3 in each basic surface of the mass block 2 in each group of vibration detection devices, and thus, the design can obtain stable moving effect for the moving shaft 3 moving along with the mass block 2.
For the arrangement of two mica fixing devices in each group of vibration detection devices, in practical application, each group of vibration detection devices is designed to further comprise one supporting frame 9 or two supporting frames 9 respectively, and the mica fixing devices are installed through the supporting frames 9.
If the vibration detection device comprises the two support frames 9, the two mica fixing devices in the vibration detection device are respectively connected with the surface inside the box body 1 through the support frames 9, and the arrangement of the two mica fixing devices in the box body 1 is realized.
If the vibration detection device comprises a supporting frame 9, the vibration detection device further comprises a non-conductive connecting piece 10, two mica fixing devices in the vibration detection device are connected through the connecting piece 10, one mica fixing device is connected with the surface inside the box body 1 through the supporting frame 9, and then the arrangement of the two mica fixing devices in the box body 1 is achieved.
For each connection in the designed structure, in practical application, rigid connection is designed.
Based on the technical scheme of the designed multi-component lunar seismic detector system suitable for the moon, a lunar seismic signal in each lunar seismic detection direction can be obtained through the signal output end of each vibration detection device, and for the lunar seismic signal, as shown in fig. 2, the multi-component lunar seismic detector system further comprises an amplifying circuit, a sample and hold circuit, a multi-way switch, an A/D converter, an operational amplifier and a single chip microcomputer, wherein in practical application, the single chip microcomputer specifically selects STM32 to be applied, and the A/D converter is specifically designed to adopt a 24-bit A/D converter.
The signal output ends of the vibration detection devices are sequentially connected with the amplifying circuit and the sampling holding circuit in series, the output end of the sampling holding circuit, the input end of the A/D converter and the output end of the operational amplifier are in butt joint through a multi-way switch, the multi-way switch is used for controlling the input end of the A/D converter to be selected and connected with the output end of the sampling holding circuit or the output end of the operational amplifier, the output end of the A/D converter is in butt joint with the input end of the single chip microcomputer, and the output end of the single chip microcomputer is in butt joint with the input end of the operational amplifier.
The design can be used for sequentially transmitting the lunar seismic signals in each lunar seismic detection direction to the single chip microcomputer through the amplifying circuit, the sampling and holding circuit, the multi-way switch, the A/D converter and the operational amplifier, and the single chip microcomputer receives the lunar seismic signals in each lunar seismic detection direction.
For the amplifying circuit, the sample-and-hold circuit, and the operational amplifier related to the above technical solutions, in practical application, as shown in fig. 3, the specifically designed amplifying circuit includes a first impedance R1, a second impedance R2, a third impedance R3, a fourth impedance R4, a fifth impedance R5, a sixth impedance R6, a first NPN type triode T1, and a second NPN type triode T2; one end of the first impedance R1, one end of the fourth impedance R4 and the base electrode of the first NPN type triode are connected, the connection position forms the positive input end of the amplifying circuit, and the other end of the fourth impedance R4 forms the negative input end of the amplifying circuit; an emitting electrode of the first NPN-type triode T1 is connected to one end of the fifth impedance R5, a collector of the first NPN-type triode T1, one end of the second impedance R2, and a base of the second NPN-type triode T2 are connected to one end of the sixth impedance R6, the other end of the sixth impedance R6 forms a negative output end of the amplifying circuit, a collector of the second NPN-type triode T2 is connected to one end of the third impedance R3, and the connection position forms a positive output end of the amplifying circuit, the other end of the first impedance R1, the other end of the second impedance R2, and the other end of the third impedance R3 are connected to one another, and the connection position is externally connected to a voltage, the other end of the fourth impedance R4, the other end of the fifth impedance R5, and the other end of the first impedance R6 are connected to one end, and the connection position is grounded.
As shown in fig. 4, the specifically designed operational amplifier includes an operational amplifier A1, a seventh impedance R7, an eighth impedance R8, a ninth impedance R9, a tenth impedance R10, and an eleventh impedance R11; the positive input end of the operational amplifier A1 is in butt joint with one end of an eleventh impedance R11, the other end of the eleventh impedance R11 is grounded, the negative input end of the operational amplifier A1, one end of an eighth impedance R8 and one end of a tenth impedance R10 are connected, the other end of the tenth impedance R10 forms the input end of the operational amplifier, the other end of the eighth impedance R8, one end of a seventh impedance R7 and one end of a ninth impedance R9 are connected, the other end of the ninth impedance R9 is grounded, the other end of the seventh impedance R7 is connected with the output end of the operational amplifier A1, and the connection position forms the output end of the operational amplifier.
As shown in fig. 4, the sample-and-hold circuit is specifically designed to include a high-gain amplifier A2, a sampling switch E, a holding capacitor C, and a voltage follower A3; the positive input end of the high-gain amplifier A2 forms the input end of the sample-and-hold circuit, the output end of the high-gain amplifier A2 is connected with the sampling switch E in series and then is respectively connected with one end of the holding capacitor C and the positive input end of the voltage follower A3, the other end of the holding capacitor C is grounded, the negative input end and the output end of the high-gain amplifier A2 are connected with each other, the negative input end and the output end of the voltage follower A3 are connected with each other, and the connected positions form the output end of the sample-and-hold circuit.
In the multi-component lunar seismic detector system suitable for the moon designed by the technical scheme, in practical application, before the single chip microcomputer executes lunar seismic detection, the input end of the multi-way switch firstly switches and controls the input end of the A/D converter to be connected with the output end of the operational amplifier, the single chip microcomputer outputs a sine signal, the sine signal is amplified by the operational amplifier and then is transmitted to the single chip microcomputer by the A/D converter, whether the single chip microcomputer can reproduce the sine signal is judged, and therefore whether the A/D converter can normally work is judged; in practical application, two groups of vibration detection devices are designed and applied and respectively correspond to horizontal and vertical lunar seismic detection directions, and in application, a temperature control system is added to carry out heat preservation aiming at the designed multi-component lunar seismic detector system so as to carry out normal exploration work on the moon.
In practical application, on the basis that the design of the lunar seismic signal in each lunar seismic detection direction also comprises an amplifying circuit, a sampling and holding circuit, a multi-way switch, an A/D converter, an operational amplifier and a single chip microcomputer, a filter can be added, such as digital filtering, interference signals can be eliminated or suppressed through programs, and the digital filtering does not need hardware equipment and is relatively simple to operate. In application, the filter is connected in series between the lunar seismic wave acquisition module and the amplifying circuit, and filtering processing of acquired lunar seismic signals is achieved.
The technical scheme designs a multi-component lunar seismic detector system suitable for the moon, which adopts a brand new structural design, takes a box body 1 as a carrier, and designs and applies a plurality of groups of vibration detection devices to form each capacitance sensor structure, based on the movement of each mass block 2 along the preset lunar seismic detection direction set by the mass block, the position change of a moving shaft 3 connected with the mass block 2 between two mica fixing devices is obtained, and the position change of the moving shaft 3 is obtained by the detection of mica sheets 6 on the mica fixing devices, thereby realizing the output of lunar seismic signals in the lunar seismic detection direction corresponding to the capacitance sensor structure.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. The utility model provides a multicomponent lunar seismic detector system suitable for moon for set up on landing storehouse, detect and predetermine the lunar seismic on each lunar seismic detection direction, its characterized in that: comprises a box body (1) and at least two groups of vibration detection devices arranged in the box body (1); each group of vibration detection devices respectively comprise a mass block (2), a moving shaft (3), two mica fixing devices and two springs (4) with the same specification;
in the structure of each group of vibration detection devices, the central positions of two opposite ends of a mass block (2) are respectively butted with one end of each spring (4), the other end of each spring (4) is respectively butted with two opposite sides in a box body (1), the straight lines of the two springs (4) in the telescopic directions are respectively collinear, the mass block (2) moves back and forth along the collinear direction, one end of the moving shaft (3) is fixedly butted with the surface of the mass block (2), the straight line of the moving shaft (3) is vertical to the collinear direction of the two springs (4), the moving shaft (3) moves along with the movement of the mass block (2) along the telescopic directions of the two springs (4), the two mica fixing devices are positioned in the box body (1) and have the same structure, the two mica fixing devices respectively comprise a fixed shaft (5) and a mica sheet (6), the mica sheets (6) are connected to the side surfaces of the corresponding fixed shafts (5), the two mica fixing devices are respectively arranged at two sides of the moving shaft (3), the two mica fixing devices are arranged on the moving path of the moving shaft (3), the moving shaft and the two mica fixing devices respectively face the output ends of a mica signal detection device in the collinear direction, and the two mica fixing devices (6) which are externally connected with the mica fixing device (3);
the moving direction of the mass block (2) in each group of vibration detection devices respectively corresponds to the preset lunar seismic detection direction of the multi-component lunar seismic detector system;
each group of vibration detection devices respectively comprises a stopper (7), in the structure of each group of vibration detection devices, one end of each stopper (7) is butted with the corresponding mass block (2), the other end of each stopper (7) is butted with the surface in the box body (1), and the stopper (7) is used for limiting the movement of the connected mass block (2) in the moving direction;
the vibration detection device comprises a vibration detection device, and is characterized by further comprising an amplifying circuit, a sampling and holding circuit, multiple switches, an A/D converter, an operational amplifier and a single chip microcomputer, wherein the signal output ends of the vibration detection devices are sequentially connected with the amplifying circuit and the sampling and holding circuit in series, the output end of the sampling and holding circuit, the input end of the A/D converter and the output end of the operational amplifier are in butt joint through the multiple switches, the multiple switches are used for controlling the input end of the A/D converter to be selected and connected with the output end of the sampling and holding circuit or the output end of the operational amplifier, the output end of the A/D converter is in butt joint with the input end of the single chip microcomputer, and the output end of the single chip microcomputer is in butt joint with the input end of the operational amplifier.
2. A multicomponent geophone system according to claim 1, adapted for use at the moon, characterized in that: at least one surface of each side surface, which corresponds to the moving direction of the mass block (2) in each group of vibration detection devices and is not arranged corresponding to the moving shaft (3), faces the interior of the box body (1), and each side surface is defined as a base surface of the mass block (2); each group of vibration detection device further comprises smooth plates (8) with the number equal to that of the base surfaces on the corresponding mass block (2), each smooth plate (8) corresponds to each base surface on the corresponding mass block (2) one by one, each smooth plate (8) is arranged on the surface of the corresponding base surface on the corresponding mass block (2) facing the inside of the box body (1), and each base surface on the mass block (2) is in surface contact with the corresponding smooth plate (8) respectively.
3. A multicomponent geophone system according to claim 2, wherein: each basic surface of the mass block (2) in each group of vibration detection devices comprises the other side surface opposite to the side surface arranged corresponding to the moving shaft (3).
4. A multicomponent geophone system according to claim 1, wherein: each group of vibration detection devices respectively comprises a support frame (9) or two support frames (9);
if the vibration detection device comprises two support frames (9), two mica fixing devices in the vibration detection device are respectively connected with the surface inside the box body (1) through the support frames (9), so that the arrangement of the two mica fixing devices in the box body (1) is realized;
if the vibration detection device comprises a supporting frame (9), the vibration detection device further comprises a non-conductive connecting piece (10), two mica fixing devices in the vibration detection device are connected through the connecting piece (10), one mica fixing device is connected with the surface inside the box body (1) through the supporting frame (9), and then the arrangement of the two mica fixing devices in the box body (1) is achieved.
5. A multicomponent geophone system according to claim 1, wherein: also comprises a caudal vertebra (11) connected with the surface of the box body (1).
6. A multicomponent geophone system according to claim 1, adapted for use at the moon, characterized in that: the amplifying circuit comprises a first impedance R1, a second impedance R2, a third impedance R3, a fourth impedance R4, a fifth impedance R5, a sixth impedance R6, a first NPN type triode T1 and a second NPN type triode T2; one end of the first impedance R1, one end of the fourth impedance R4 and the base electrode of the first NPN type triode are connected, the connection position forms the positive input end of the amplifying circuit, and the other end of the fourth impedance R4 forms the negative input end of the amplifying circuit; an emitting electrode of the first NPN-type triode T1 is connected to one end of the fifth impedance R5, a collector electrode of the first NPN-type triode T1, one end of the second impedance R2, and a base electrode of the second NPN-type triode T2 are connected to one end of the sixth impedance R6, the other end of the sixth impedance R6 forms a negative output terminal of the amplifying circuit, a collector electrode of the second NPN-type triode T2 is connected to one end of the third impedance R3, and the connection position forms a positive output terminal of the amplifying circuit, the other end of the first impedance R1, the other end of the second impedance R2, and the other end of the third impedance R3 are connected to one another, and the connection position is externally connected to a voltage, and the other end of the fourth impedance R4, the other end of the fifth impedance R5, and the other end of the first impedance R6 are connected to ground.
7. A multicomponent geophone system according to claim 1, wherein: the operational amplifier comprises an operational amplifier A1, a seventh impedance R7, an eighth impedance R8, a ninth impedance R9, a tenth impedance R10 and an eleventh impedance R11; the positive input end of the operational amplifier A1 is in butt joint with one end of an eleventh impedance R11, the other end of the eleventh impedance R11 is grounded, the negative input end of the operational amplifier A1, one end of an eighth impedance R8 and one end of a tenth impedance R10 are connected, the other end of the tenth impedance R10 forms the input end of the operational amplifier, the other end of the eighth impedance R8, one end of a seventh impedance R7 and one end of a ninth impedance R9 are connected, the other end of the ninth impedance R9 is grounded, the other end of the seventh impedance R7 is connected with the output end of the operational amplifier A1, and the connection position forms the output end of the operational amplifier.
8. A multicomponent geophone system according to claim 1, wherein: the sampling hold circuit comprises a high-gain amplifier A2, a sampling switch E, a holding capacitor C and a voltage follower A3; the positive input end of the high-gain amplifier A2 forms the input end of the sample-hold circuit, the output end of the high-gain amplifier A2 is connected with the sample switch E in series and then is respectively connected with one end of the hold capacitor C and the positive input end of the voltage follower A3, the other end of the hold capacitor C is grounded, the negative input end and the output end of the high-gain amplifier A2 are connected with each other, the negative input end and the output end of the voltage follower A3 are connected with each other, and the connected positions form the output end of the sample-hold circuit.
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| JPH11344738A (en) * | 1998-06-02 | 1999-12-14 | Tochigi Nikon:Kk | Blur correcting device and blur corrected camera |
| US6776042B2 (en) * | 2002-01-25 | 2004-08-17 | Kinemetrics, Inc. | Micro-machined accelerometer |
| CN2783284Y (en) * | 2004-12-28 | 2006-05-24 | 周瑶琪 | Three-component optical vibration measurer |
| CN101726752B (en) * | 2008-10-23 | 2012-06-20 | 鸿富锦精密工业（深圳）有限公司 | Earthquake monitoring system |
| CA2658143C (en) * | 2009-03-06 | 2013-06-04 | Nanometrics Inc. | Force-feedback seismometer |
| CN102778584A (en) * | 2011-05-11 | 2012-11-14 | 重庆师范大学 | Magnetorheological fluid acceleration sensor |
| CN103308719A (en) * | 2012-03-14 | 2013-09-18 | 重庆师范大学 | Cantilever beam type magnetorheological-grease-based great acceleration sensor |
| CN106019362B (en) * | 2016-05-23 | 2017-02-22 | 中国科学院地质与地球物理研究所 | Moving coil type low-frequency expanded geophone |
| CN109471160B (en) * | 2018-11-29 | 2020-07-24 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Moving coil detector for simultaneously detecting speed and acceleration |
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