CN208044081U - Rotate seismometer - Google Patents
Rotate seismometer Download PDFInfo
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- CN208044081U CN208044081U CN201820569814.0U CN201820569814U CN208044081U CN 208044081 U CN208044081 U CN 208044081U CN 201820569814 U CN201820569814 U CN 201820569814U CN 208044081 U CN208044081 U CN 208044081U
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- pedestal
- balancing stand
- rotation
- link block
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Abstract
The utility model discloses rotation seismometers, including supporting rack, balancing stand, capacitance component and two groups of connection components, supporting rack includes pedestal, is oppositely arranged with pedestal fixing piece and the support element for being fixedly connected with pedestal and the fixing piece, balancing stand are set between the pedestal and fixing piece；Capacitance component includes movable plate electrode and fixed plate, and fixed plate is fixedly connected with support element, and movable plate electrode is fixedly connected with balancing stand；Balancing stand includes the upper side wall being oppositely arranged and lower wall, two groups of connection components include two the first link blocks, two the second link blocks and at least two reeds, two the first link blocks are in diagonally to be fixed on the pedestal and the fixing piece, two the second link blocks are in diagonally to be fixed in the upper side wall and the lower wall, each first link block is connected by least one reed with corresponding second link block, and two groups of connection components are along the both sides for passing through the horizontal direction of balancing stand central point to be symmetrically positioned in the balancing stand.It can accurately measure earthquake motion rotational component.
Description
Technical field
The utility model is related to a kind of Observation Technology of Earthquakes more particularly to a kind of rotation seismometers.
Background technology
What seismological observation was usually observed is three-component translational velocity or acceleration.Earthquake field phenomenon and related research all tables
It will produce the six degree of freedom earthquake motion including three-component amount of spin when bright earthquake, near field vibrations are especially true.Earthquake motion was both
There are translation components, and there is also rotative components, and the two is often to observation instrument cross influence.Complete six degree of freedom earthquake motion
Observation is all significant for understanding earthquake source characteristic, PROPAGATION CHARACTERISTICS OF SEISMIC and earthquake resistance of structure.
Generally, it is considered that earthquake motion translation component amplitude is big, leading position is occupied, earthquake motion rotative component amplitude is weak, therefore
Rotation seismometer must pull against the influence of translation earthquake motion, just can guarantee that observe is the weak rotative component of amplitude.It is how accurate
Really measuring earthquake motion rotative component and having become this field has technical problem to be solved.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide one kind being capable of accurately measure
Shake the rotation seismometer of rotative component.
The purpose of this utility model is realized using following technical scheme：
A kind of rotation seismometer, including supporting rack, balancing stand, capacitance component and two groups of connection components, the supporting rack include
Pedestal, the fixing piece being oppositely arranged with the pedestal and the support element for being fixedly connected with the pedestal and the fixing piece, balancing stand setting
Between the pedestal and the fixing piece；
The capacitance component includes movable plate electrode and fixed plate, which is fixedly connected with the support element, the movable plate electrode with should
Balancing stand is fixedly connected；
The balancing stand includes the upper side wall being oppositely arranged and lower wall, which includes two first connections
Block, two the second link blocks and at least two reeds, two the first link blocks are in diagonally to be fixed on the pedestal and the fixing piece,
In being diagonally fixed in the upper side wall and the lower wall, each first link block and corresponding second connects two the second link blocks
Block is connected by least one reed, and two groups of connection components are being symmetrically positioned in this along the horizontal direction across balancing stand central point
The both sides of balancing stand.
Preferably, the upper side wall of the balancing stand and lower wall are arranged in parallel, which includes connecting the upper side wall
And the lower wall and two connection walls being oppositely arranged.
Preferably, which further includes two groups of balanced components, and two groups of balanced components are separately positioned on the connection wall
On, each balanced component includes magnet and coil, which connect with the magnets free, and the coil is located at the magnetic field of the magnet
In.
Preferably, the lateral surface of the connection wall is arcwall face, and the magnet and the coil are circular ring shape, which is set in this
In magnet, which is bonded with the arcwall face of the connection wall.
Preferably, every group of balanced component further includes a fixed plate, which is fixed by the fixed plate and the support element
Connection, the center point symmetry of the fixed plates of two groups of balanced components about the balancing stand.
Preferably, which includes a movable plate electrode and four fixed plates, and four fixed plates are symmetrical parallel two-by-two
Ground is placed in the both sides of the movable plate electrode, which is respectively the first fixed plate, the second fixed plate, third fixed plate and the 4th
Fixed plate, first fixed plate and second fixed plate are symmetrical parallel, and the third fixed plate and the 4th fixed plate are symmetrical parallel,
First fixed plate and the third fixed plate are in the same plane, which is located at same flat with the 4th fixed plate
On face, the distance between first fixed plate and second fixed plate are more than the thickness of the movable plate electrode.
Preferably, correspondence is placed in the fixing piece and the bottom respectively for two first link blocks and two second link blocks
In seat.
Preferably, the both ends of the movable plate electrode open up storage tank, which is housed in solid with the movable plate electrode in the storage tank
Fixed connection.
Preferably, on each first link block and each second link block include inclined surface for connecting the reed.
Preferably, every group of connection component includes two reeds, two reeds of every group of connection component be staggered in
On the inclined surface of first link block and second link block.
Compared with prior art, the beneficial effects of the utility model are：
In the above-described embodiment, fixing piece or pedestal are connected to ground, and reed can be bent rotation for one kind but can not
The compliant member of stretching；When the translation component of fixing piece and pedestal by earthquake, two of which translational direction is due to reed hardly possible
To be stretched or compressed, the first link block will drive the second link block to be translatable together, and entire seismometer is made to be translatable, and due to
Structure is full symmetric, another is applied to the power size of its two groups of balanced components perpendicular to the translation component of balancing stand side surface direction
Identical as direction, the torque of formation offsets each other, and then makes capacitance component just and can not incude the translation component of earthquake, and then reaches
Eliminate the purpose of translation component；And when the rotative component of fixing piece and pedestal by earthquake, since reed can be bent rotation,
Reed can make the second link block relatively rotate with respect to the first link block, and make to turn with the fixed balancing stand of the second link block
It is dynamic, to make the movable plate electrode on capacitance component relatively rotate, and capacitance component have the advantages that it is with high accuracy, and then can be ground
The rotative component of shake is converted to high-precision voltage signal, therefore can accurately measure earthquake motion rotative component.
Description of the drawings
Fig. 1 is the dimensional structure diagram that the utility model rotates seismometer；
Fig. 2 is the decomposition diagram that seismometer is rotated in Fig. 1；
Fig. 3 is the structural schematic diagram of the capacitance component of rotation seismometer in Fig. 1；
Fig. 4 is the dimensional structure diagram of the first link block of rotation seismometer in Fig. 1；
Fig. 5 is the dimensional structure diagram of the pedestal of rotation seismometer in Fig. 1；
Fig. 6 is the vertical view that seismometer is rotated in Fig. 1；
Fig. 7 is the side view that seismometer is rotated in Fig. 1.
In figure：1. rotating seismometer；10. supporting rack；11, pedestal；12, fixing piece；121, notch；13, support element；20.
Balancing stand；21, upper side wall；22, lower wall；23, connection wall；24, receiving space；30, capacitance component；31, movable plate electrode；311, hold
Set slot；32, fixed plate；40, connection component；41, the first link block；411, inclined surface；412, threaded hole；42, the second link block；
43, reed；44, banking stop；50, balanced component；51, magnet；52, coil；521, fixed plate；53, clump weight.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further：
Refering to fig. 1 and Fig. 2, a kind of rotation seismometer 1 comprising supporting rack 10, balancing stand 20, capacitance component 30 and two groups
Connection component 40.The fixing piece 12 and be fixedly connected with the pedestal that the supporting rack 10 includes pedestal 11, is oppositely arranged with the pedestal 11
11 are set to the support element 13 of the fixing piece 12, the balancing stand 20 between the pedestal 11 and the fixing piece 12.
In conjunction with Fig. 3, which includes movable plate electrode 31 and fixed plate 32, which fixes with the support element 13
Connection, the movable plate electrode 31 are fixedly connected with the balancing stand 20；
The balancing stand 20 includes the upper side wall 21 being oppositely arranged and lower wall 22, and every group of connection component 40 includes two first
41, two the second link blocks 42 of link block and at least two reeds 43, two the first link blocks 41 are in diagonally to be fixed on the pedestal
11 and the fixing piece 12 on, two the second link blocks 42 are in being diagonally separately fixed in the upper side wall 21 and the lower wall 22, often
A first link block 41 is connected by least one reed 43 with corresponding second link block 42, and two groups of connection components 40 are on edge
The both sides of the balancing stand 20 are symmetrically positioned in across the horizontal direction of 20 central point of balancing stand.In present embodiment, first connection
Block 41 is identical as the structure size of second link block 42, such preferably can be kept balance.
By above structure, fixing piece 12 or pedestal 11 are connected to ground, when fixing piece 12 and pedestal 11 are by earthquake motion
When the translation component in two of which direction, since reed 43 can not be difficult to be stretched or compressed, the first link block 41 will drive
Second link block 42 is translatable together, and entire seismometer is made to be translatable, and since structure is full symmetric, another is perpendicular to balancing stand
The power size that the translation component of side surface direction is applied to its two groups of 50 both sides of balanced component is identical as direction, and the torque of formation is mutual
It offsets, and then makes capacitance component 30 that can not incude the translation component of earthquake, and then achieve the purpose that eliminate translation component；And when solid
When determining the rotative component of part 12 and pedestal 11 by earthquake, since reed 43 can be bent rotation, reed 43 can make the second company
It connects block 42 to relatively rotate with respect to the first link block 41, and makes to rotate with 42 fixed balancing stand 20 of the second link block, to
So that the movable plate electrode 31 on capacitance component 30 is relatively rotated, and capacitance component 30 have the advantages that it is with high accuracy, and then can be ground
The rotative component of shake is converted to high-precision voltage signal, therefore can accurately measure earthquake motion rotative component.
Incorporated by reference to Fig. 4-5, specifically, which is groove body, one of them first link block 41 is fixed on the pedestal 11
Interior, fixed mode can be a variety of, such as be threadedly coupled etc.；The cross section of the groove body is in " convex " font, is fixing the first company
While connecing block 41, total can also be made more to stablize.In other embodiments, the pedestal 11 can also be framework or
Person is plate-shaped member, as long as first link block 41 can be fixed.
The fixing piece 12 be U-frame body, be oppositely arranged with the pedestal 11, the first link block of other in which 41 be fixed on
The first fixed block 41 on the pedestal 11 is diagonally positioned to be fixed on the fixing piece 12；The U-shaped opening end side of the fixing piece 12
It is operated when being just fixedly mounted.The shape size of the support element 13 is unlimited, can be rectangular plank, or pillar etc.
Deng, in present embodiment, the support element 13 be rectangular plank.In addition, two of the fixing piece 12 side walls parallel to each other
On can also open up L-shaped notch 121, which is easily installed support element 13；The pedestal 11, the fixing piece 12 and the support element
13 may be integral structure.The pedestal 11 can be identical with the structure of the fixing piece 12, pedestal 11 and the fixing piece 12
It can be connected with the earth.
The balancing stand 20 is hollow frame structure comprising upper side wall 21 relatively disposed in parallel, lower wall 22, connection
Two connection walls 23 at the both ends of the upper side wall 21 and the lower wall 22, the upper side wall 21, the lower wall 22 and two connection walls
It encloses for a receiving space 24；Two the second link blocks 42 are in diagonally to be separately fixed in the upper side wall 21 and the lower wall 22,
It is specifically located at the upper side wall 21 and the lateral surface of the lower wall 22.Each first link block 41 and corresponding second link block 42
Connected by two reeds 43 arranged in a crossed manner.Specifically, on each first link block 41 and each second link block 42
There are two inclined surface 411, two reeds 43 to be fitted in the inclined surface 411 and be staggered up and down for tool.In other embodiments,
It can also be connected by a reed 43 between the first link block 41 and the second link block 42 in every group of connection component 40, at this time
The orthographic projection for overlooking reed 43 in two groups of connection components 40 is in cross shaped head.Preferably, it is additionally provided with limit on the inclined surface 411
Piece 44, the banking stop 44 are attached to the upside or downside of the reed 43, limit the position of reed 43, reed 43 is made to fix more steady
Gu.In addition, in order to keep the first link block 41 and the second link block 42 more firm, can be arranged on the first link block 41 conducive to fixing
The threaded hole 412 of connect base 11 and fixing piece 12, on the second link block 42 setting be conducive to be fixedly connected with the screw thread of balancing stand 20
Hole 412.
The capacitance component 30 includes a movable plate electrode 31 and four fixed plates 32.The capacitance component 30 is arranged in the balancing stand
In 20 receiving space 21, between the upper side wall 21 and the lower wall 22, which connect with the balancing stand 20
Both sides open up storage tank 311, when which is fixed on the balancing stand 20, the upper side wall 21 and the lower wall 22 are rigid
It is located in well in the storage tank 311.Four fixed plates 32 are placed in the both sides of the movable plate electrode 31 two-by-two symmetrical parallelly.Specifically
Ground, four fixed plates 32 are respectively the first fixed plate, the second fixed plate, third fixed plate and the 4th fixed plate, this is first fixed
Pole plate and second fixed plate are symmetrical parallel, and the third fixed plate and the 4th fixed plate are symmetrical parallel, first fixed plate with
The third fixed plate is in the same plane, and the third fixed plate and the 4th fixed plate are in the same plane, this is first fixed
The distance between pole plate and second fixed plate are more than the thickness of the movable plate electrode 31.In present embodiment, the movable plate electrode 31 and should
Metal layer is plated on fixed plate 32 or originally as metalwork.Above structure forms differential capacitor convenient for forming two capacitances
Formula sensor, to be conducive to that rotative component is converted to voltage signal.
When the balancing stand 20 rotates, the movable plate electrode 31 is set to be overlapped with the shaft centerline of the balancing stand 20, compared to it
Its position, in the case where rotating identical angle, the rotation displacement smaller of the movable plate electrode 31, to make the movable plate electrode 31 and the fixed plate
32 are not easy contact short circuit, and then shorten the clipping room of the movable plate electrode 31 and the fixed plate 32 away from and being conducive to improve the capacitance group
The resolution ratio and the linearity of part 30, and conducive to the installation capacitance component 30.
In conjunction with Fig. 6-7, which further includes two groups of balanced components 50, and two groups of balanced components 50 are separately positioned on
In the connection wall 23 at 20 both ends of balancing stand, can to prevent movable plate electrode 31 from rotating excessive for the opposition which generates
And with 32 contact short circuit of fixed plate.Specifically, which includes magnet 51, coil 52 and fixed plate 521, the coil 52
It is flexibly connected with the magnet 51, and coil 52 is arranged in the magnetic field of magnet 51；Preferably, the outer surface of the connection wall 23 is arc
Shape face, the magnet 51 and the coil 52 are circular ring shape, which is set in the magnet 51, the magnet 51 and the connection wall 23
Arcwall face fitting, which is easily installed the magnet 31 and stabilized structure of circular ring shape, convenient for keeping balance；It is fixed on coil 52
There is fixed plate 521, the optimal fixed plate 521 is T-shaped plate, and one end of fixed plate 521 is fixedly connected with support element 13, the fixed plate
521 other end is connect with coil 52, which keeps coil 52 more stable, and coil 52 can also moved with fixed plate 521 and cuts
Magnetic induction line；In order to make the both ends of seismometer 1 keep balance, the fixed plate 521 of two groups of balanced components 50 is about the balancing stand 20
Center point symmetry；Preferably, it is also provided with clump weight 53 on the magnet 51, the quality and specific location of the clump weight 53 can
It requires to be designed according to balance, clump weight 53 may also be arranged on balancing stand 20, and make the counterbalance effect of balanced component 50 more
It is good.
In the above-described embodiment, rotative component can be converted to voltage signal by capacitance component 30 in rotation, the capacitance
Further include feedback circuit on component 30, which can be then converted into electric current by the voltage signal after conversion and be output to the coil
One of 52, which is located in the magnetic field of magnet 51, thus generates the acting in opposition to balance each other with earthquake rotary force
Power can prevent the movable plate electrode 31 on the capacitance component 30 and determine to make this rotation seismometer restore to center equilbrium position
Pole plate 32 contact and it is short-circuit；Also the linearity for the differential capacitance sensor that movable plate electrode 31 and fixed plate 32 form can be improved.Certainly
Voltage signal can also be passed to external equipment and be used to analyze the rotative component of earthquake by feedback circuit；In addition, the coil 52
Another coil also is located in the magnetic field of magnet 51, and electric current is granted to it can generate turning moment, be demarcated to seismometer
Test.And in order to keep seismometer left-right balance, center point symmetry of two coils 52 about balancing stand 20；In addition, the magnet
51 can rotate together with the balancing stand 20, and the quality of the magnet 51 is more than the quality of the coil 52, can increase rotation seismometer
Rotary inertia, and reduce the noise of rotation seismometer.
Capacitance component 30 includes differential capacitive sensor, and differential capacitive sensor is usually used in displacement or angle inspection
It surveys, has the advantages that precision height and the linearity are good, which is a kind of compliant member that can be bent rotation but can not stretch；
After the rotation seismometer installs, the fixing piece 12 or the pedestal 11 are connected to ground, when the fixing piece 12 or the pedestal 11 by
When the translation component in the two of which direction of earthquake motion, since the reed 43 is difficult to be stretched or compressed, the fixing piece 12 and should
The first link block 41 on pedestal 11 will drive second link block 42 to be translatable (translation) together with the balancing stand 20, and make whole
A seismometer translation, but since structure is full symmetric, another is applied to it perpendicular to the translation component of balancing stand side surface direction
The power size on two groups of 50 both sides of balanced component is identical as direction, and the torque of formation offsets each other, and then makes capacitance component 30 can not
It detects the translation component of earthquake, and achievees the purpose that eliminate translation component；And when the fixing piece 12 and the pedestal 11 are by ground
When the rotative component of shake, since the reed 43 can be bent rotation, the reed 43 can make second link block 42 with respect to this
One link block 41 relatively rotates, and makes to rotate with second link block, 42 fixed balancing stand 20, to make the capacitance group
Movable plate electrode 31 on part 30 relatively rotates, and differential capacitive sensor have the advantages that it is with high accuracy, and then can be earthquake
Rotative component be converted to voltage signal with high accuracy, therefore can accurately measure earthquake motion rotative component.
Summary, this rotation seismometer are greatly improved by the way that capacitance component 30, balanced component 50 and supporting rack 10 is arranged
The symmetry and measurement accuracy for rotating seismometer, can overcome the influence of earthquake motion translation component, accurately measure earthquake motion
Rotative component, and its is simple in structure, it is at low cost, it is suitble to promote.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (10)
1. a kind of rotation seismometer, it is characterised in that：Including supporting rack, balancing stand, capacitance component and two groups of connection components, the branch
Support includes pedestal, is oppositely arranged with the pedestal fixing piece and the support element for being fixedly connected with the pedestal and the fixing piece, this is flat
Weighing apparatus sets up and is placed between the pedestal and the fixing piece；
The capacitance component includes movable plate electrode and fixed plate, which is fixedly connected with the support element, the movable plate electrode and the balance
Frame is fixedly connected；
The balancing stand includes the upper side wall being oppositely arranged and lower wall, which includes two the first link blocks, two
A second link block and at least two reeds, two the first link blocks are in diagonally to be fixed on the pedestal and the fixing piece, two
For second link block in being diagonally fixed in the upper side wall and the lower wall, each first link block and corresponding second link block are equal
It is connected by least one reed, two groups of connection components are being symmetrically positioned in the balance along the horizontal direction across balancing stand central point
The both sides of frame.
2. rotation seismometer according to claim 1, it is characterised in that：The upper side wall and lower wall of the balancing stand are mutually flat
Row setting, the balancing stand include two connection walls for connecting the upper side wall and the lower wall and being oppositely arranged.
3. rotation seismometer according to claim 2, it is characterised in that：The rotation seismometer further includes two groups of balance groups
Part, two groups of balanced components are separately positioned in the connection wall, and each balanced component includes magnet and coil, the coil and the magnet
Flexible connection, and the coil is located in the magnetic field of the magnet.
4. rotation seismometer according to claim 3, it is characterised in that：The lateral surface of the connection wall is arcwall face, the magnetic
Body and the coil are circular ring shape, which is set in the magnet, which is bonded with the arcwall face of the connection wall.
5. rotation seismometer according to claim 4, it is characterised in that：Every group of balanced component further includes a fixed plate,
The coil is fixedly connected by the fixed plate with the support element, the central point of the fixed plates of two groups of balanced components about the balancing stand
Symmetrically.
6. rotation seismometer according to claim 1, it is characterised in that：The capacitance component includes a movable plate electrode and four
Fixed plate, four fixed plates are placed in the both sides of the movable plate electrode two-by-two symmetrical parallelly, which is respectively first fixed
Pole plate, the second fixed plate, third fixed plate and the 4th fixed plate, first fixed plate and second fixed plate are symmetrical parallel, should
Third fixed plate and the 4th fixed plate are symmetrical parallel, and first fixed plate and the third fixed plate are in the same plane, should
Third fixed plate and the 4th fixed plate are in the same plane, and the distance between first fixed plate and second fixed plate are big
In the thickness of the movable plate electrode.
7. rotation seismometer according to claim 1, it is characterised in that：Two first link blocks and this two second companies
Connecing block, correspondence is placed in the fixing piece and the pedestal respectively.
8. rotation seismometer according to claim 1, it is characterised in that：The both ends of the movable plate electrode open up storage tank, this is flat
Weighing apparatus frame is housed in the storage tank to be fixedly connected with the movable plate electrode.
9. rotation seismometer according to claim 1, it is characterised in that：Each first link block and each second link block
On include inclined surface for connecting the reed.
10. rotation seismometer according to claim 9, it is characterised in that：Every group of connection component includes two reeds,
Two reeds of every group of connection component are staggered on the inclined surface of first link block and second link block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820569814.0U CN208044081U (en) | 2018-04-20 | 2018-04-20 | Rotate seismometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820569814.0U CN208044081U (en) | 2018-04-20 | 2018-04-20 | Rotate seismometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208044081U true CN208044081U (en) | 2018-11-02 |
Family
ID=63928031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820569814.0U Active CN208044081U (en) | 2018-04-20 | 2018-04-20 | Rotate seismometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208044081U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363094A (en) * | 2018-04-20 | 2018-08-03 | 湖北省地震局 | Rotate seismometer |
| CN108562934A (en) * | 2018-06-19 | 2018-09-21 | 朱敏 | A kind of rotation seismometer |
| CN108919343A (en) * | 2018-05-16 | 2018-11-30 | 梁耀基 | A kind of rotation seismometer |
-
2018
- 2018-04-20 CN CN201820569814.0U patent/CN208044081U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363094A (en) * | 2018-04-20 | 2018-08-03 | 湖北省地震局 | Rotate seismometer |
| CN108363094B (en) * | 2018-04-20 | 2023-10-10 | 湖北省地震局 | Rotary seismometer |
| CN108919343A (en) * | 2018-05-16 | 2018-11-30 | 梁耀基 | A kind of rotation seismometer |
| CN108562934A (en) * | 2018-06-19 | 2018-09-21 | 朱敏 | A kind of rotation seismometer |
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