CN105424164A - Vibration detection device, system and method - Google Patents
Vibration detection device, system and method Download PDFInfo
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- CN105424164A CN105424164A CN201510968061.1A CN201510968061A CN105424164A CN 105424164 A CN105424164 A CN 105424164A CN 201510968061 A CN201510968061 A CN 201510968061A CN 105424164 A CN105424164 A CN 105424164A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
Abstract
The invention relates to a vibration detection device, system and method. The device comprises an X-direction vibration detection module, a Y-direction vibration detection module and a vector weighting module, wherein the X-direction vibration detection module is used to detect vibration in the X direction and generate a vibration signal in the X direction; the Y-direction vibration detection module is used to detect vibration in the Y direction and generate a vibration signal in the Y direction; and the vector weighting module is used to carry out vector weighting for the vibration signal in the X direction and the vibration signal in the Y direction so as to obtain a vector weighting vibration signal. In comparison with the prior art, the vibration detection device, system and method provided by the invention are suitable for the vibration signals in a larger dynamic scope and have the advantages that the vector weighting can be carried out to the vibration signals in the different directions; positioning becomes accurate; and resistance to interference is high.
Description
Technical field
The present invention relates to home security technical field, particularly a kind of vibration detecting device, system and method.
Background technology
Along with the quickening that Chinese Urbanization's is built, housing estate development is to intelligent development, and the safety-protection system of community is also synchronous to intelligent development. and in addition along with the raising of people's quality of life, the pilferage behavior for country and personal effects is continuous ascendant trend.Particularly the pilferage behavior that shelter individual in community carries out is happened occasionally.Although need the region of security protection to adopt the mode of installing camera to monitor more at present, timely identification and the warning of crime cannot be realized, and be easily found and remove.
Vibration detecting device can be installed on community enclosure wall and family's door and window, thus realizes timely identification and the warning of crime.Vibration detecting device also can be imbedded within the walls or underground in addition, realizes sending warning message when digging a hole to cutter wall.
Mainly there is wrong report or fail to report problem in the vibration detector being applied to safety-security area at present on the market, wrong report cannot be rejected high-decibel noise in meteorologic factor and environment mainly due to detector and be caused, and fails to report mainly because detector sensitivity can not adjust and identify that frequency range short-range missile causes automatically.Also there is locating effect difference problem in vibration transducer in addition.
Disclose in prior art " vibration detection device ", its major technique solves " it can differentiate when applying external force is the external force which kind of behavior causes ", its " measurement unit " achieves " filtering circuit " and " amplifying circuit ", but " amplifying circuit " is not with automatic growth control (AGC), therefore there is a definite limitation in the amplitude of inputted vibration signal, especially when " vibration detection device " is installed on rigid objects surface, during as cement flooring, because its vibration wave presents index curve, this " vibration detection device " is made to be not suitable for being applied to rigidity material occasion.This patent is not also explained on the impact being realized vibration source location and meteorologic factor by vibration detection device in addition.
Disclose in prior art " for detecting the motion detector of destruction and the method for detecting destruction ", it adopts " electret microphone " senses " in the frequency of vibration, amplitude and intensity at least one ", described " detector " comprises " signal amplifier " and " wave filter ", " electret microphone " carrys out sense vibrations needs a resonator cavity or not airtight environment, makes this detector very large or non-watertight on the volume of sensor.Its disclosed " pre-determined model " needs in different application occasion experiment multiple different " pre-determined model " in addition.
At present, can realize by piezoelectric element the output that oscillation intensity converts electric signal to, then by amplifying circuit, electric signal be amplified, then by filtering circuit damped vibration noise, the electric signal finally amplified by comparing with one or more threshold values, thus realizes vibration detecting function.Above detection method has become known, but the greatest problem that this detection method exists is exactly insensitive to small-signal, easily reports by mistake any large-signal.
Summary of the invention
Technical matters to be solved by this invention be to provide a kind of can adapt to more great dynamic range vibration signal and vector weighting, accurate positioning, vibration detecting device, system and method that antijamming capability is strong are carried out to the vibration signal of different directions.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of vibration detecting device, comprising:
X-direction vibration detection module, for detecting the vibration of X-direction, generates X-direction vibration signal;
Y-direction vibration detection module, for detecting the vibration of Y-direction, generates Y-direction vibration signal;
Vector weighting module, for carrying out vector weighting to X-direction vibration signal and Y-direction vibration signal, obtains vector weighting vibration signal.
The invention has the beneficial effects as follows: vector weighting module can carry out vector weighting to the signal that X-direction vibration detection module and Y-direction vibration detection module send, and promotes the sensitivity of all directions vibration perception.
Further, also comprise Z-direction vibration detection module, described Z-direction vibration detection module, for detecting the vibration of Z-direction, generates Z-direction vibration signal and X-direction vibration signal and Y-direction vibration signal and carries out vector weighting.
The beneficial effect of further scheme: vector weighting module can carry out vector weighting to the signal that X-direction vibration detection module, Y-direction vibration detection module and Z-direction vibration detection module send, and promotes the sensitivity of all directions vibration perception;
Further, described X-direction vibration detection module, Y-direction vibration detection module and Z-direction vibration detection module include detecting unit, amplifying unit and filter unit;
Described detecting unit, for there is deformation under the effect of vibration of vibrating object, produces vibration signal;
Described amplifying unit, for amplifying vibration signal;
Described filter unit, for carrying out filtering to the vibration signal after amplification.
The beneficial effect of further scheme: carry out detection amplification filtering by detecting unit, amplifying unit and filter unit, promotion signal amplitude accommodation and increase antijamming capability.
Further, also comprise automatic gain control unit, described automatic gain control unit amplifies the amplitude of output signal for detecting, and amplifies the magnification of vibration signal according to the amplitude regulation and control of output signal.
The beneficial effect of further scheme: automatic gain control unit can make this device adapt to the vibration signal of more great dynamic range, promotes anti-interference.
Further, on a circuit board, and described circuit board is made module by aluminum alloy materials and is carried out hermetically sealed for described X-direction vibration detection module, Y-direction vibration detection module, Z-direction vibration detection module and vector weighting module integration.
The beneficial effect of further scheme: this device can adapt to imbed inferior environment, thus the impact reducing artificial destruction, promote anti-interference.
A kind of vibration-detection system, it is characterized in that, comprise a kind of vibration detecting device described in one or more and vibration processing device, described vibration processing device is used for carrying out signal transacting to multiple vibration signals that one or more vibration detecting devices produce, and determines vibration source locating area.
The invention has the beneficial effects as follows: multiple vibration detecting device can be installed on metope flexibly according to the needs of site of deployment, on protective fence, or imbeds underground; Multiple spot arranges vibration detecting device, realizes the precise positioning to vibration source.
Further, multiple vibration detecting device is placed in needs vibration source locating area, and carries out isoline demarcation to multiple vibration detecting device; Vibration processing device carries out time to peak, peak amplitude and frequency detecting to multiple vibration signals that multiple vibration detecting device produces, the peak amplitude of multiple vibration signal is sorted, mathematic interpolation between the peak amplitude of the multiple vibration signals after sequence carries out between two, by n Magnitude Difference calculating respectively divided by equivalent zone maximum attenuation m, obtain the equivalent zone number of Magnitude Difference, each equivalent zone is corresponded on planimetric map respectively, the n calculated a Magnitude Difference overlapping region is defined as vibration source locating area.
The beneficial effect of further scheme: multiple spot arranges vibration detecting device, realizes the location to vibration source, simultaneously by the multiple spot analysis to vibration signal, Intelligent drainage is except external interference.
A kind of vibration detection method, comprises the following steps:
Multiple vibration detecting device is placed in by step S1. needs vibration source locating area, and carries out isoline demarcation to multiple vibration detecting device;
Step S2. carries out time to peak, peak amplitude and frequency detecting to multiple vibration signals that multiple vibration detecting device produces;
The peak amplitude of step S3. to multiple vibration signal sorts, mathematic interpolation between the peak amplitude of the multiple vibration signals after sequence carries out between two;
N Magnitude Difference calculating respectively divided by equivalent zone maximum attenuation m, is obtained the equivalent zone number of Magnitude Difference by step S4.;
Each equivalent zone corresponds on planimetric map by step S5. respectively, and the n calculated a Magnitude Difference overlapping region is defined as vibration source locating area.
The invention has the beneficial effects as follows: the present invention can position vibrative vibration source, can get rid of the vibration interference caused from meteorologic factor, and from the impact of high-decibel noise in environment.
Further, the specific implementation of vibration signal in described step 2:
Step 21. detects the vibration of X-direction, generates X-direction vibration signal; Detect the vibration of Y-direction, generate Y-direction vibration signal; Detect the vibration of Z-direction, generate Z-direction vibration signal;
Step 22. pair X-direction vibration signal, Y-direction vibration signal and Z-direction vibration signal carry out vector weighting, obtain vector weighting vibration signal.
The beneficial effect of further scheme: carry out vector weighting to X-direction vibration signal, Y-direction vibration signal and Z-direction vibration signal, promotes positioning accurate parasexuality.
Further, the specific implementation of described X-direction vibration signal, Y-direction vibration signal and Z-direction vibration signal:
There is deformation in step 211., produce vibration signal under the effect of vibration of vibrating object;
Step 212. pair vibration signal amplifies;
Step 213. detects the amplitude of amplifying output signal, and amplifies the magnification of vibration signal according to the amplitude regulation and control of output signal;
Step 214. carries out filtering to the vibration signal after amplification.
The beneficial effect of further scheme: carry out detection amplification filtering, the accuracy of promotion signal, automatic gain control unit can make this device adapt to the vibration signal of more great dynamic range, promotes anti-interference.
Accompanying drawing explanation
Fig. 1 is the module frame chart of a kind of vibration detecting device of the present invention;
Fig. 2 is the module frame chart of detecting unit, amplifying unit, automatic gain control unit and filter unit;
Fig. 3 is the module frame chart of a kind of vibration-detection system of the present invention;
Fig. 4 is the location schematic diagram of vibration detecting;
Fig. 5 is the location schematic diagram of vibration detecting;
Fig. 6 is the structural representation of vibration detecting device;
Fig. 7 is the method flow diagram of a kind of vibration detection method of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
10, vector weighting module, 11, X-direction vibration detection module, 12, Y-direction vibration detection module, 13, Z-direction vibration detection module;
20, detecting unit, 21, amplifying unit, 22, automatic gain control unit, 23, filter unit;
30, vibration detecting device, 31, vibration processing device.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1:
As shown in Figure 1, a kind of vibration detecting device, comprising:
X-direction vibration detection module 11, for detecting the vibration of X-direction, generates X-direction vibration signal;
Y-direction vibration detection module 12, for detecting the vibration of Y-direction, generates Y-direction vibration signal;
Vector weighting module 10, for carrying out vector weighting to X-direction vibration signal and Y-direction vibration signal, obtains vector weighting vibration signal.
Vector weighting unit 10 is for carrying out vector weighting from the vibration signal of X-direction and Y-direction respectively, and the mathematical equation that its vector weighting adopts can be
the Oscillation Amplitude value that in equation, U3 exports after being vector weighting, A is a scale-up factor, realizes the gain after vector weighting and controls; X is the Oscillation Amplitude value from X-direction; Y is the Oscillation Amplitude value from Y-direction.
Also comprise Z-direction vibration detection module 13, described Z-direction vibration detection module 13, for detecting the vibration of Z-direction, generates Z-direction vibration signal and X-direction vibration signal and Y-direction vibration signal and carries out vector weighting.
Vector weighting unit 10 is for carrying out vector weighting to the vibration signal respectively from X-direction, Y-direction and Z-direction, and the mathematical equation that its vector weighting adopts can be
the Oscillation Amplitude value that in equation, U4 exports after being vector weighting, A is a scale-up factor, realizes the gain after vector weighting and controls; X is the Oscillation Amplitude value from X-direction; Y is the Oscillation Amplitude value from Y-direction; Y is the Oscillation Amplitude value from Z-direction.
Embodiment 2:
As shown in Figure 2, on the basis of embodiment 1, described X-direction vibration detection module 11, Y-direction vibration detection module 12 and Z-direction vibration detection module 13 include detecting unit 20, amplifying unit 21 and filter unit 23;
Described detecting unit 20, for there is deformation under the effect of vibration of vibrating object, produces vibration signal;
Described amplifying unit 21, for amplifying vibration signal;
Described filter unit 23, for carrying out filtering to the vibration signal after amplification.
Carry out filtering to the voltage signal from amplifying unit 21, filter unit 23 is made up of multiple rejection filter, can realize decaying to the signal in special frequency band, and does not decay to its out-of-band-signal; Such as, can adopt a rejection filter filtering voice signal, concrete, the beginning frequency of its rejection filter is 300Hz, and end frequency is 3400Hz.The voltage signal that unit 23 carries out filtering after filtering can directly output to vibration processing unit 31, and the voltage signal that also can carry out filtering with the unit after filtering 23 on another road merges and is input to vector weighting unit 10.
Also comprise automatic gain control unit 22, described automatic gain control unit 22 amplifies the amplitude of output signal for detecting, and amplifies the magnification of vibration signal according to the amplitude regulation and control of output signal.
Automatic gain control unit 22 realizes carrying out undistorted amplification to the voltage signal of more great dynamic range, and the time that its closed loop controls in addition is adjustable, and such as, the time that its closed loop controls can be 0.1 second; When automatic gain control unit 22 detects that the output voltage amplitude of amplifying unit 21 is enough large (such as U1), it will start the magnification reducing amplifying unit, until when the final voltage amplitude exported is lower than U1, namely lock current magnification; In addition, when the output voltage amplitude of amplifying unit being detected enough hour (such as U2, exists U1>U2), it will start the magnification increasing amplifying unit, until when the final voltage amplitude exported is higher than U2, namely lock current magnification.
As shown in Figure 6, described X-direction vibration detection module 11, Y-direction vibration detection module 12, Z-direction vibration detection module 13 and vector weighting module 10 are on a circuit board integrated, and described circuit board is made module by aluminum alloy materials and carried out hermetically sealed.
Embodiment 3:
As shown in Figure 3, a kind of vibration-detection system, comprise a kind of vibration detecting device 30 described in one or more and vibration processing device 31, described vibration processing device 31 carries out signal transacting for the multiple vibration signals produced one or more vibration detecting devices 30, determines vibration source locating area.
Vibration processing unit 31 processes for the vibration signal exported the vibration detecting device 30 of vibration detecting device 30 or band vector weighting.
31, vibration processing device connects a vibration detecting device 30, and at this moment system can only complete simple vibration detecting, and Oscillation Amplitude value and one or more threshold value of input compare, and according to the threshold number exceeded, exports the vibration alarming of different stage.
31, vibration processing device connects the vibration detecting device 30 of a band vector weighting, at this moment system can only complete multidirectional vibration detecting, Oscillation Amplitude value and one or more threshold value of input compare, and according to the threshold number exceeded, export the vibration alarming of different stage.
Vibration processing device 31 is with the vibration detecting device 30 of vector weighting to be connected with n (n >=3), process the vibration data of the vibration detecting device 30 from n band vector weighting simultaneously, the location to vibration source can be realized, simultaneously can get rid of the vibration interference caused from meteorologic factor, and from the impact of high-decibel noise in environment.
Preferably, multiple vibration detecting device 30 is placed in and needs vibration source locating area, and carries out isoline demarcation to multiple vibration detecting device 30; Vibration processing device 31 carries out time to peak, peak amplitude and frequency detecting to multiple vibration signals that multiple vibration detecting device 30 produces, the peak amplitude of multiple vibration signal is sorted, mathematic interpolation between the peak amplitude of the multiple vibration signals after sequence carries out between two, by n Magnitude Difference calculating respectively divided by equivalent zone maximum attenuation m, obtain the equivalent zone number of Magnitude Difference, each equivalent zone is corresponded on planimetric map respectively, the n calculated a Magnitude Difference overlapping region is defined as vibration source locating area.
First measure in advance each vibration detector surrounding medium to the decay of vibration signal, the mdB that often decays is as an equivalent zone, and this equivalent zone will be the multiple closed curves centered by tested vibration detector; On the medium needing location, lay n vibration detecting device respectively, its equivalent zone is existed and occurs simultaneously; Positioning principle is respectively to the detectable signal from n (n >=3) vibration detector, the time of carrying out, amplitude, frequency detecting, obtain the single twitch amplitude peak of each vibration detecting device, then n amplitude is subtracted each other between two, thus obtain the difference of Oscillation Amplitude, the position of vibration source can be located according to difference and equivalent zone; Its time and frequency distinguish the foundation with once vibrating as different vibration detecting device.
Embodiment 4:
As shown in Figure 7, a kind of vibration detection method, comprises the following steps:
Multiple vibration detecting device is placed in by step S1. needs vibration source locating area, and carries out isoline demarcation to multiple vibration detecting device;
Step S2. carries out time to peak, peak amplitude and frequency detecting to multiple vibration signals that multiple vibration detecting device produces;
The peak amplitude of step S3. to multiple vibration signal sorts, mathematic interpolation between the peak amplitude of the multiple vibration signals after sequence carries out between two;
N Magnitude Difference calculating respectively divided by equivalent zone maximum attenuation m, is obtained the equivalent zone number of Magnitude Difference by step S4.;
Each equivalent zone corresponds on planimetric map by step S5. respectively, and the n calculated a Magnitude Difference overlapping region is defined as vibration source locating area.
1, according to three-point fix principle, vibration location model is as shown in Figure 4 drawn.
1) in the region needing vibration source to locate, n (n >=3) vibration detecting device is placed;
Here suppose n=3, for 3, as shown in Figure 4, correspondence is positioned over L respectively, the position of K, H point.
2) isoline demarcation is carried out to n vibration detecting device;
As shown in Figure 4, L1 institute region is the region relative to L point Oscillation Amplitude decay <mdB, L2 to L1 institute region is relative to L point Oscillation Amplitude decay <2mdB but the region of >mdB, L3 to L2 institute region is relative to L point Oscillation Amplitude decay <3mdB but the region of >2mdB, L4 to L3 institute region is relative to L point Oscillation Amplitude decay <4mdB but the region of >3mdB, similar, can continue according to this to divide attenuation region L5, L6, L7 etc.,
Similarly, also isoline demarcation is carried out to the vibration detecting device of K point and H point.There is K1 respectively, K2, K3, K4 and H1, H2, H3, H4 etc.;
3) the time to peak t of each voltage signal is measured, peak amplitude u, voltage signal frequency f;
A vibration source may produce multiple peak signal, and what belong on a timeline is continuous, needs here to carry out combination calculate, for distinguishing vibration peaks different on time shaft recording time to peak t.Namely time t and frequency f are as the foundation of vibration processing unit judges p (p=1,2,3 ..) vibration signal peak value.
4) according to the peak amplitude u of p voltage signal
lp, u
kp, u
hp, carry out descending sequence;
Ranking results, make peak amplitude the maximum ranked first position, peak amplitude reckling arranges last position, supposes u here
kp> u
hp> u
lp, then after sequence, result is as follows: u
kp, u
hp, u
lp
Certainly, the equal situation of situation three can be there is here, i.e. u
kp=u
hp=u
lp.
5) Magnitude Difference between calculating between two.
Difference between calculating between two, i.e. u
kp-u
hp, u
kp-u
lp, u
hp-u
lp, obtain △ u1, △ u2, △ u3.
6) difference between calculating between two is divided by an equivalent zone maximum attenuation m, i.e. △ u1/m, △ u2/m, and △ u3/m, obtains q1, q2, q3.
7) each equivalent zone is corresponded on planimetric map respectively, will calculate n difference overlapping region is defined as vibration source locating area.
2, as vibration source, the implementation of above vibration detection method is illustrated using c point in Fig. 7 below:
1) in the region needing vibration source to locate, place 3 vibration detecting devices, as shown in Figure 5, correspondence is positioned over L respectively, the position of K, H point;
2) isoline demarcation is carried out to 3 vibration detecting devices.
As shown in Figure 4, L1 institute region is the region relative to L point Oscillation Amplitude decay <mdB, L2 to L1 institute region is relative to L point Oscillation Amplitude decay <2mdB but the region of >mdB, L3 to L2 institute region is relative to L point Oscillation Amplitude decay <3mdB but the region of >2mdB, L4 to L3 institute region is relative to L point Oscillation Amplitude decay <4mdB but the region of >3mdB, similar, can continue according to this to divide attenuation region L5, L6, L7 etc., similarly, also isoline demarcation is carried out to the vibration detecting device of K point and H point.There is K1 respectively, K2, K3, K4 and H1, H2, H3, H4 etc.
3) the time to peak t of each voltage signal is measured, peak amplitude u, voltage signal frequency f.A vibration source may produce multiple peak signal, and what belong on a timeline is continuous, needs here to carry out combination calculate, for distinguishing vibration peaks different on time shaft recording time to peak t.Namely time t and frequency f are as the foundation of vibration processing unit judges p (p=1,2,3 ..) vibration signal peak value.
4) according to the peak amplitude u of p voltage signal
lp, u
kp, u
hp, carry out descending sequence.Ranking results, make peak amplitude the maximum ranked first position, peak amplitude reckling arranges last position, for the vibration of c point, there is u
kp> u
hp> u
lp, then after sequence, result is as follows: u
kp, u
hp, u
lp
5) Magnitude Difference between calculating between two.
Difference between calculating between two, i.e. u
kp-u
hp, u
kp-u
lp, u
hp-u
lp, obtain △ u1, △ u2, △ u3.
6) between two between difference divided by an equivalent zone maximum attenuation m, obtain the equivalent zone number of Magnitude Difference, difference is divided by an equivalent zone maximum attenuation m, i.e. △ u1/m, △ u2/m, △ u3/m, obtains q1, q2,, for c point, there is 2>q1>1 in q3,2>q2>1,1>q3>0.
7) each equivalent zone is corresponded on planimetric map respectively, will calculate 3 difference overlapping regions are defined as vibration source locating area; For c point, the overlapping region that 2>q1>1 represents is graphics field that b3, b4 enclose in Fig. 7; The overlapping region that 2>q2>1 represents is graphics field that b5, b6 enclose in Fig. 7; The overlapping region that 1>q3>0 represents is graphics field that b1, b2 enclose in Fig. 7;
In conjunction with the common factor of above 3 overlapping regions, can locate vibration source c present position is in b1, b3, b6 institute region.
A point vibration as shown in Figure 4, apply this vibration detection method, the roughly equal situation of situation three can be there is here, i.e. 1>q1>0,1>q2>0,1>q3>0.Also a point vibration position can correctly be oriented with institute's region.
Preferably, the specific implementation of vibration signal in described step 2:
Step 21. detects the vibration of X-direction, generates X-direction vibration signal; Detect the vibration of Y-direction, generate Y-direction vibration signal; Detect the vibration of Z-direction, generate Z-direction vibration signal;
Step 22. pair X-direction vibration signal, Y-direction vibration signal and Z-direction vibration signal carry out vector weighting, obtain vector weighting vibration signal.
Preferably, the specific implementation of described X-direction vibration signal, Y-direction vibration signal and Z-direction vibration signal:
There is deformation in step 211., produce vibration signal under the effect of vibration of vibrating object;
Step 212. pair vibration signal amplifies;
Step 213. detects the amplitude of amplifying output signal, and amplifies the magnification of vibration signal according to the amplitude regulation and control of output signal;
Step 214. carries out filtering to the vibration signal after amplification.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a vibration detecting device, is characterized in that, comprising:
X-direction vibration detection module (11), for detecting the vibration of X-direction, generates X-direction vibration signal;
Y-direction vibration detection module (12), for detecting the vibration of Y-direction, generates Y-direction vibration signal;
Vector weighting module (10), for carrying out vector weighting to X-direction vibration signal and Y-direction vibration signal, obtains vector weighting vibration signal.
2. a kind of vibration detecting device according to claim 1, it is characterized in that, also comprise Z-direction vibration detection module (13), described Z-direction vibration detection module (13), for detecting the vibration of Z-direction, generates Z-direction vibration signal and X-direction vibration signal and Y-direction vibration signal and carries out vector weighting.
3. a kind of vibration detecting device according to claim 2, it is characterized in that, described X-direction vibration detection module (11), Y-direction vibration detection module (12) and Z-direction vibration detection module (13) include detecting unit (20), amplifying unit (21) and filter unit (23);
Described detecting unit (20), for there is deformation under the effect of vibration of vibrating object, produces vibration signal;
Described amplifying unit (21), for amplifying vibration signal;
Described filter unit (23), for carrying out filtering to the vibration signal after amplification.
4. a kind of vibration detecting device according to claim 3, it is characterized in that, also comprise automatic gain control unit (22), described automatic gain control unit (22) amplifies the amplitude of output signal for detecting, and amplifies the magnification of vibration signal according to the amplitude regulation and control of output signal.
5. a kind of vibration detecting device according to any one of claim 2 to 4, it is characterized in that, described X-direction vibration detection module (11), Y-direction vibration detection module (12), Z-direction vibration detection module (13) and vector weighting module (10) are on a circuit board integrated, and the module that described circuit board is made by aluminum alloy materials is carried out hermetically sealed.
6. a vibration-detection system, it is characterized in that, comprise a kind of vibration detecting device (30) described in one or more any one of claim 1 to 5 and vibration processing device (31), described vibration processing device (31) carries out signal transacting for the multiple vibration signals produced one or more vibration detecting devices (30), determines vibration source locating area.
7. a kind of vibration-detection system according to claim 6, it is characterized in that, multiple vibration detecting device 30 is placed in and needs vibration source locating area, and carries out isoline demarcation to multiple vibration detecting device (30); Vibration processing device (31) carries out time to peak, peak amplitude and frequency detecting to multiple vibration signals that multiple vibration detecting device (30) produces, the peak amplitude of multiple vibration signal is sorted, mathematic interpolation between the peak amplitude of the multiple vibration signals after sequence carries out between two, by n Magnitude Difference calculating respectively divided by equivalent zone maximum attenuation m, obtain the equivalent zone number of Magnitude Difference, each equivalent zone is corresponded on planimetric map respectively, the n calculated a Magnitude Difference overlapping region is defined as vibration source locating area.
8. a vibration detection method, is characterized in that, comprises the following steps:
Multiple vibration detecting device is placed in by step S1. needs vibration source locating area, and carries out isoline demarcation to multiple vibration detecting device;
Step S2. carries out time to peak, peak amplitude and frequency detecting to multiple vibration signals that multiple vibration detecting device produces;
The peak amplitude of step S3. to multiple vibration signal sorts, mathematic interpolation between the peak amplitude of the multiple vibration signals after sequence carries out between two;
N Magnitude Difference calculating respectively divided by equivalent zone maximum attenuation m, is obtained the equivalent zone number of Magnitude Difference by step S4.;
Each equivalent zone corresponds on planimetric map by step S5. respectively, and the n calculated a Magnitude Difference overlapping region is defined as vibration source locating area.
9. a kind of vibration detection method according to claim 8, is characterized in that, the specific implementation of vibration signal in described step 2:
Step 21. detects the vibration of X-direction, generates X-direction vibration signal; Detect the vibration of Y-direction, generate Y-direction vibration signal; Detect the vibration of Z-direction, generate Z-direction vibration signal;
Step 22. pair X-direction vibration signal, Y-direction vibration signal and Z-direction vibration signal carry out vector weighting, obtain vector weighting vibration signal.
10. a kind of vibration detection method according to claim 9, is characterized in that, the specific implementation of described X-direction vibration signal, Y-direction vibration signal and Z-direction vibration signal:
There is deformation in step 211., produce vibration signal under the effect of vibration of vibrating object;
Step 212. pair vibration signal amplifies;
Step 213. detects the amplitude of amplifying output signal, and amplifies the magnification of vibration signal according to the amplitude regulation and control of output signal;
Step 214. carries out filtering to the vibration signal after amplification.
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| CN106948802A (en) * | 2017-03-07 | 2017-07-14 | 中国石油天然气集团公司 | The shock-dampening method of drilling tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01148922A (en) * | 1987-12-04 | 1989-06-12 | Akashi Seisakusho Co Ltd | Three-dimensional vibrometer |
| CN1657974A (en) * | 2005-01-19 | 2005-08-24 | 天津大学 | Accelerat induction earthquake forcasting device |
| CN101793971A (en) * | 2010-03-05 | 2010-08-04 | 北京佳讯飞鸿电气股份有限公司 | Railway anti-disaster earthquake alarm |
| CN101872012A (en) * | 2010-06-11 | 2010-10-27 | 上海中科清洁能源技术发展中心 | Measuring and positioning system of equipment vibration source and method thereof |
| CN102155984A (en) * | 2010-12-30 | 2011-08-17 | 北京四方继保自动化股份有限公司 | General vibration signal measuring system of fan |
| CN103644963A (en) * | 2013-11-28 | 2014-03-19 | 陕西千山航空电子有限责任公司 | A module and a method for acquiring and processing a vibration signal of the rotating component of a helicopter |
| CN103742194A (en) * | 2013-12-04 | 2014-04-23 | 桂林电子科技大学 | Subsurface source positioning method and mining area illegal mining prevention monitoring system |
-
2015
- 2015-12-22 CN CN201510968061.1A patent/CN105424164B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01148922A (en) * | 1987-12-04 | 1989-06-12 | Akashi Seisakusho Co Ltd | Three-dimensional vibrometer |
| CN1657974A (en) * | 2005-01-19 | 2005-08-24 | 天津大学 | Accelerat induction earthquake forcasting device |
| CN101793971A (en) * | 2010-03-05 | 2010-08-04 | 北京佳讯飞鸿电气股份有限公司 | Railway anti-disaster earthquake alarm |
| CN101872012A (en) * | 2010-06-11 | 2010-10-27 | 上海中科清洁能源技术发展中心 | Measuring and positioning system of equipment vibration source and method thereof |
| CN102155984A (en) * | 2010-12-30 | 2011-08-17 | 北京四方继保自动化股份有限公司 | General vibration signal measuring system of fan |
| CN103644963A (en) * | 2013-11-28 | 2014-03-19 | 陕西千山航空电子有限责任公司 | A module and a method for acquiring and processing a vibration signal of the rotating component of a helicopter |
| CN103742194A (en) * | 2013-12-04 | 2014-04-23 | 桂林电子科技大学 | Subsurface source positioning method and mining area illegal mining prevention monitoring system |
Non-Patent Citations (1)
| Title |
|---|
| 刘培珍等: "一种地下爆破震动信号检测及处理系统的研究", 《计算机测量与控制》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948802A (en) * | 2017-03-07 | 2017-07-14 | 中国石油天然气集团公司 | The shock-dampening method of drilling tool |
| CN106948802B (en) * | 2017-03-07 | 2020-04-10 | 中国石油天然气集团公司 | Vibration damping method for drilling tool |
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| CN105424164B (en) | 2019-06-18 |
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