CN207541276U - Earthquake geophone equipment series - Google Patents
Earthquake geophone equipment series Download PDFInfo
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- CN207541276U CN207541276U CN201721665773.7U CN201721665773U CN207541276U CN 207541276 U CN207541276 U CN 207541276U CN 201721665773 U CN201721665773 U CN 201721665773U CN 207541276 U CN207541276 U CN 207541276U
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- sensor
- cone
- pedestal
- fence
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Abstract
A kind of earthquake geophone equipment series, belong to seismic survey recording technique field, including being docked with collector, radius is further included as R balls, cone, sensor fence, pedestal, photoelectric displacement sensor, contact-making switch sensor and collecting tank, the hole slot of tip crater shape, a diameter of D of the hole slot are equipped at the top of the cone；A diameter of H of the cone, cone bottom are fixedly connected with pedestal；The ball is placed in the hole slot at the top of cone；The sensor fence is concentrically disposed in cone on pedestal；The photoelectric displacement sensor and contact-making switch sensor are arranged on sensor fence, and photoelectric displacement sensor and contact-making switch sensor are electrically connected with collector；For the external edge of the collecting tank and pedestal along being fixedly connected, the utility model not only high sensitivity can measure small earthquake；And it is inaccurate to solve the problems, such as that shake device measurement result caused by seismic wave superposition resonance is picked up in traditional pendulum earthquake.
Description
Technical field
The utility model belongs to seismic survey recording technique field, and in particular to earthquake geophone equipment series.
Background technology
It is well known that Modern seismic instrument generally comprises two parts, i.e. earthquake geophone and seismic acquisition unit.The former is basis
Source；The latter is data processing.But the uptodate seismic detector of seismograph to weigh from Christian era toe-out, is substantially pendulum principle
Geophone.
However, the geophone of pendulum principle at least there are it is following two the defects of.One is since the newton for the hammer that dangles determines
" inertia " objective reality is restrained, if the shock wave numerical value that t1 moment geophones measure is x1, and measured in t2 moment geophones
Shock wave numerical value should be independent respective value x2, but due to the swing of " inertia ", certainly exist that " superposition of vibration wave is together
Shake ", so the shock wave numerical value actually obtained is then x2+ Δ x, inaccuracy or the error for causing data are big or unreliable；Its
Second is that earthquake refers to the shaking that the preceding ground of earthquake occurs extremely.Ground high vibration during earthquake, is well-known phenomenon.But
Before earthquake not yet occurs, feel that ground is also shaken sometimes, it is different when this shaking is from earthquake, swing very slow, and
Seismic wave be it is very faint, usually seismic detector all record less than, it is seen that the sensitivity of the geophone of pendulum is very low, modern
Seismic detector will even lean on amplified signal to reach hundreds of thousands times.
The defects of present in geophone based on pendulum principle, there is an urgent need for a kind of new technical solutions in the prior art to solve
State problem.
Utility model content
The purpose of this utility model is to provide a kind of earthquake geophone equipment series, solve picking up for traditional pendulum principle
The existing superposition because of vibration wave of shake device causes the error of measurement data sensitive greatly and for faint seismic survey with resonance
Spend the problem of low.
The utility model solve the above problems the technical solution that uses for：A kind of earthquake geophone equipment series, including with
Collector docks, and further includes radius and is passed for R balls, cone, sensor fence, pedestal, photoelectric displacement sensor, contact-making switch
Sensor and collecting tank, the cone are equipped with perforative hole slot, a diameter of D of the hole slot；The cone bottom surface
A diameter of H, cone bottom are fixedly connected with pedestal；The ball is placed on the hole slot at the top of cone；The sensor
Fence is concentrically disposed in cone on pedestal；The photoelectric displacement sensor and contact-making switch sensor are arranged at sensor
On fence, and photoelectric displacement sensor and contact-making switch sensor are electrically connected with collector；The collecting tank and pedestal
External edge edge is fixedly connected.
Further, the transmitting terminal of the photoelectric displacement sensor with ball height of the centre of sphere away from pedestal it is equal.
Further, the quantity of the contact-making switch sensor is 120, is evenly distributed on sensor fence inner wall,
And height of the contact-making switch sensor position away from pedestal is R.
Further, the sensor fence internal diameter for 2 times of basal diameter H and the ball diameter of cone i.e. 4R's and.
Further, the sensor fence is also connect with an automatically controlled lifting device, the automatically controlled lifting device and collector electricity
Property connection.
Following advantageous effect can be brought using the utility model of above-mentioned technical proposal：
The utility model can measure small earthquake using no pendulum earthquake geophone equipment series, high sensitivity；
In addition to this, mechanical model also solves traditional pendulum earthquake and picks up shake device because seismic wave is superimposed used by the utility model
The problem of measurement result is inaccurate caused by resonance.
Description of the drawings
The utility model is further elaborated below in conjunction with the drawings and the specific embodiments.
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is the partial sectional view of the utility model.
Fig. 4 is the mechanical model schematic diagram of the utility model.
In figure, 1- balls, 2- cones, 3- sensors fence, 4- pedestals, 5- photoelectric displacement sensors, 6- contact-making switches
Sensor, 7- collecting tanks, 201- hole slots.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of earthquake geophone equipment series, including being docked with collector, it is characterised in that：Also
Including radius for R balls 1, cone 2, sensor fence 3, pedestal 4, photoelectric displacement sensor 5, contact-making switch sensor 6 with
And collecting tank 7, the cone 2 are equipped with perforative hole slot 201, a diameter of D of the hole slot 201；2 bottom surface of cone
A diameter of H, 2 bottom of cone is fixedly connected with pedestal 4；The ball 1 is placed on the hole slot 201 at 2 top of cone；
The sensor fence 3 is concentrically disposed in cone 2 on pedestal 4；The photoelectric displacement sensor 5 and contact-making switch sensor
6 are arranged on sensor fence 3, and photoelectric displacement sensor 5 and contact-making switch sensor 6 are electrically connected with collector；
The collecting tank 7 is fixedly connected with the external edge edge of pedestal 4.
Further, the transmitting terminal of the photoelectric displacement sensor 5 is identical with height of the centre of sphere of ball 1 away from pedestal 4, photoelectricity
Displacement sensor 5 monitors the location information of ball 1, and when ball 1 is fallen from cone 2, photoelectric displacement sensor 5 is to adopting
Storage sends out signal, and collector can record the time that ball is fallen, that is, experience the time of seismic wave, if the utility model is set
It puts in earthquake spot, then the time of collector record i.e. the time of earthquake generation.
Further, the quantity of the contact-making switch sensor 6 is 120, is evenly distributed on 3 inner wall of sensor fence,
And distance of 6 position of contact-making switch sensor away from pedestal 4 is identical with the radius of ball 1.The effect of contact-making switch sensor 6
It is the direction for positioning seismic wave, contact-making switch sensor 6 is electrically connected with collector, when ball 1 strikes sensor fence 3
7 during a certain contact-making switch sensor of upper setting, according to the number of contact-making switch sensor 6 pre-set in collector, adopt
Storage can record the direction that seismic wave transmits and the time that ball 1 is contacted with contact-making switch sensor 6 automatically, why allow and connect
It is R to touch distance of 6 position of switch sensor away from pedestal 4, is in order to which the first time that ball 1 is allowed to fall just can excite sensing
Contact-making switch sensor 6 on device fence 3.
Further, 3 internal diameter of sensor fence is the basal diameter H of cone 2 with 2 times of i.e. 4R's of 1 diameter of ball
With.Setting reason is passed also for when the contact-making switch on the first time that ball 1 is fallen just energy impact microphone fence 3 in this way
Sensor 6.
Further, the sensor fence 3 is also connected with an automatically controlled lifting device, the automatically controlled lifting device and collector
It is electrically connected.While collector receives the signal that contact-making switch sensor 6 is sent out, collector can be to automatically controlled lifting device
Signal is sent out, sensor fence 3 can be promoted certain height by automatically controlled lifting device, this is highly set greater than the straight of ball 1
Diameter, ball 1 can be fallen into along the inclined-plane on pedestal 4 in collecting tank 7, and subsequent automatically controlled lifting device can automatically reset, and sense
Device fence 3 also drops back into original position.
Fig. 4 be the utility model mechanical model schematic diagram, by aforementioned attached drawing and word it is found that on cone 2
The ball 1 there are one radius for R is placed on the hole slot 201 of a diameter of D, the basal diameter of cone 2 is H；In stationary state
Under, the normal N that can obtain 2 bottom surface of cone by mechanics principle is overlapped with the gravity vertical P of ball 1.
When there is seismic wave to transmit, the cone 2 of the utility model just will appear inclination, as shown in figure 4, at this point, the circle
The bottom surface of cone 2 and the angle of surface water horizontal line are α, and according to geometry theorem, the gravity vertical and ball 1 of ball 1 are to cone
The angle of the normal N of 2 bottom surfaces is also α, reaches exactly to open on the cone 2 as slanted angle α gradually increases to gravity vertical P
If hole slot 201 edge when, have according to trigonometric function formula：R x sin α=D/2, by converting its anti-triangle letter about α
Number is：α=ArcsinD/2R, slanted angle α at this time are just called " critical angle theta ", that is, θ=ArcsinD/2R, with regard to α with
For the magnitude relationship of θ, there are following 3 kinds of situations：
1st, as 0 ＜ α ＜ θ, although the cone generates inclination due to seismic wave at this time, ball 1 can't occur downwards
It tumbles.
2nd, as α=θ, i.e. slanted angle α gradually increases to 1 gravity vertical P of ball and reaches exactly to open up on the cone 2
Hole slot 201 edge when, the state of ball 1, is in " instability status " at this time.
3rd, as α ＞ θ, because having arrived at and being more than critical angle theta, moment be more than critical angle theta in an instant, circle
Ball 1 will tumble down.
Clearly as θ=ArcsinD/2R, when θ is a constant, D values are only related to R values, and selection sets D
Value, then R values are just determined；When θ is a constant, D values are only related to R values, and selection sets R values, then D values are just determined
；Similarly, if D values and R values have all had selected in advance, θ values are exactly unique, and the utility model is with θ come relative earthquake
Earthquake magnitude, the value of θ show that more greatly the earthquake magnitude of earthquake is stronger, and earthquake geophone equipment series provided by the utility model pass through setting
Different D and R values can allow and realize θ continuous values between 0 ° to 90 °, and be related to corresponding magnitude, as θ and ground
It how related shakes earthquake magnitude, does not do specific statement in the utility model.Further, it is also possible on the cone 2 of the utility model
A spring is placed in the hole slot 201 opened up, spring top is just contacted with ball 1, and spring bottom is contacted with pedestal 4, is used for
P wave is detected, and passes through the related sensor set on spring and collected information is transferred to collector；In addition, this reality
It can be with other kinds of biography with the photoelectric displacement sensor 5 of 3 settings and contact-making switch sensor 6 on novel sensor fence
Sensor is in parallel, for extending and obtaining and other data needed for seismic survey.All tests ginseng of sensor described above
Number signals are intended to be sent on collector and carry out data storages, calculating, draw earthquake collection of illustrative plates and table, automatically analyze and data
Processing and with the networking in strange land etc., only with the minimum situation of above-mentioned setting sensor, (photoelectric displacement sensor 5 and contact are opened
Close sensor 6) for, it can at least complete following report：First, ball starts to tumble the i.e. time of t1；Second is that ball starts
Collision is the time of t2；Third, seismic wave focus from direction and speed according to secondary wave can extrapolate the ground of focus
Point and time；Fourth, the magnitude of present apparatus locality.
The utility model can set the earthquake geophone of different series different accuracy in areal, can accurately measure
And it records and works as magnitude；In addition, the utility model can also strange land networking, can obtain more in detail relevant each with earthquake
Kind information.
Claims (5)
1. a kind of earthquake geophone equipment series, including being docked with collector, it is characterised in that：Radius is further included as R balls
(1), cone (2), sensor fence (3), pedestal (4), photoelectric displacement sensor (5), contact-making switch sensor (6) and receipts
Collect slot (7), the cone (2) is equipped with perforative hole slot (201), a diameter of D of the hole slot (201)；The cone (2)
A diameter of H of bottom surface, cone (2) bottom are fixedly connected with pedestal (4)；The ball (1) is placed at the top of cone (2)
Hole slot (201) on；The sensor fence (3) is concentrically disposed in cone (2) on pedestal (4)；The photoelectric displacement passes
Sensor (5) and contact-making switch sensor (6) are arranged on sensor fence (3), and photoelectric displacement sensor (5) and contact are opened
Sensor (6) is closed to be electrically connected with collector；The collecting tank (7) is fixedly connected with the external edge edge of pedestal (4).
2. a kind of earthquake geophone equipment series according to claim 1, it is characterised in that：The photoelectric displacement sensor
(5) transmitting terminal with height of the centre of sphere of ball (1) away from pedestal (4) it is equal.
3. a kind of earthquake geophone equipment series according to claim 1, it is characterised in that：The contact-making switch sensing
The quantity of device (6) is 120, is evenly distributed on sensor fence (3) inner wall, and contact-making switch sensor (6) position
Height away from pedestal (4) is R.
4. a kind of earthquake geophone equipment series according to claim 1, it is characterised in that：The sensor fence (3)
Internal diameter for 2 times of basal diameter H and ball (1) diameter of cone (2) i.e. 4R's and.
5. a kind of earthquake geophone equipment series according to claim 1, it is characterised in that：The sensor fence (3)
It is also connect with an automatically controlled lifting device, which is electrically connected with collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665773.7U CN207541276U (en) | 2017-12-05 | 2017-12-05 | Earthquake geophone equipment series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665773.7U CN207541276U (en) | 2017-12-05 | 2017-12-05 | Earthquake geophone equipment series |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541276U true CN207541276U (en) | 2018-06-26 |
Family
ID=62616732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721665773.7U Expired - Fee Related CN207541276U (en) | 2017-12-05 | 2017-12-05 | Earthquake geophone equipment series |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207541276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706457A (en) * | 2019-11-20 | 2020-01-17 | 侯琛 | Earthquake detection equipment |
| CN111009087A (en) * | 2020-01-08 | 2020-04-14 | 桂林赛普电子科技有限公司 | Mining area anti-border-crossing illegal mining monitoring and early warning method and system |
-
2017
- 2017-12-05 CN CN201721665773.7U patent/CN207541276U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706457A (en) * | 2019-11-20 | 2020-01-17 | 侯琛 | Earthquake detection equipment |
| CN111009087A (en) * | 2020-01-08 | 2020-04-14 | 桂林赛普电子科技有限公司 | Mining area anti-border-crossing illegal mining monitoring and early warning method and system |
| CN111009087B (en) * | 2020-01-08 | 2021-06-15 | 桂林赛普电子科技有限公司 | Mining area anti-border-crossing illegal mining monitoring and early warning method and system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20211205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |