CN112502031A - Self-adaptive anti-seismic noise reduction method and device and bridge pier - Google Patents
Self-adaptive anti-seismic noise reduction method and device and bridge pier Download PDFInfo
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- CN112502031A CN112502031A CN202011253842.XA CN202011253842A CN112502031A CN 112502031 A CN112502031 A CN 112502031A CN 202011253842 A CN202011253842 A CN 202011253842A CN 112502031 A CN112502031 A CN 112502031A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention discloses a self-adaptive anti-seismic noise reduction method, a self-adaptive anti-seismic noise reduction device and a bridge pier in the technical field of bridge anti-seismic, which can automatically judge whether a seismic signal acting on an entity such as the bridge pier is caused by an earthquake, and reduce damage and loss caused by the earthquake by reacting on the entity such as the bridge pier through vibration opposite to the phase of the seismic signal; acquiring frequency spectrum information of the first vibration signal, judging whether the first vibration signal meets a set condition or not based on the frequency spectrum information, and sending a control signal when the judgment result is 'yes'; and generating a second vibration signal with the phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal, and enabling the second vibration signal to act on the entity.
Description
Technical Field
The invention belongs to the technical field of bridge seismic resistance, and particularly relates to a self-adaptive seismic resistance and noise reduction method, a self-adaptive seismic resistance and noise reduction device and a bridge pier.
Background
The mountainous areas of China occupy 67% of the territory area, and due to the road network construction requirement, a large number of long and large bridges are built on the mountainous area terrain, the mountainous area terrain conditions are complex, and the earthquake frequently occurs, so that higher requirements are provided for the design construction and safety monitoring of the bridges. The earthquake damages the bridge and other structures mainly because earthquake waves are transmitted to the pier foundation through the terrain to induce the bridge to generate horizontal and vertical vibration, which causes the damage and the damage of bridge members and even causes the bridge to collapse.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a self-adaptive anti-seismic noise reduction method, a self-adaptive anti-seismic noise reduction device and a bridge pier, which can automatically judge whether a seismic signal acting on the entity such as the bridge pier is caused by an earthquake or not, and can react on the entity such as the bridge pier through vibration opposite to the phase of the seismic signal, so that the damage and the loss caused by the earthquake are reduced.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an adaptive seismic noise reduction method comprising: collecting a first vibration signal acting on an entity; acquiring frequency spectrum information of the first vibration signal, judging whether the first vibration signal meets a set condition or not based on the frequency spectrum information, and sending a control signal when the judgment result is 'yes'; and generating a second vibration signal with the phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal, and enabling the second vibration signal to act on the entity.
Further, acquiring frequency spectrum information of the first vibration signal, determining whether the first vibration signal meets a set condition based on the frequency spectrum information, and sending a control signal when a determination result is yes, specifically including: carrying out Fourier transform on the first vibration signal, acquiring an acceleration oscillogram and spectrum information of the first vibration signal, and extracting peak data; under a set analysis mode, judging whether an acceleration oscillogram, frequency spectrum information and/or peak data of a first vibration signal meet set conditions, and when the judgment result is 'no', sending a frequency reduction signal, wherein the frequency reduction signal is used for reducing the sampling frequency for acquiring the first vibration signal; and when the judgment result is yes, sending a control signal and an increasing frequency signal, wherein the increasing frequency signal is used for increasing the sampling frequency for acquiring the first vibration signal.
An adaptive anti-seismic noise reduction device comprising: the vibration sensor is used for acquiring a first vibration signal acting on the entity; the signal real-time processing and feature extracting module is used for acquiring frequency spectrum information of the first vibration signal, judging whether the first vibration signal meets a set condition or not based on the frequency spectrum information, and sending a control signal when the judgment result is 'yes'; and the anti-phase vibration exciter is used for generating a second vibration signal with the phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal and enabling the second vibration signal to act on the entity.
Further, the signal real-time processing and feature extracting module is configured to send a frequency reduction signal when the determination result is "no", where the frequency reduction signal is used to reduce a sampling frequency for acquiring the first vibration signal; and when the judgment result is yes, sending an increasing frequency signal, wherein the increasing frequency signal is used for increasing the sampling frequency for acquiring the first vibration signal.
The solar energy collecting module and/or the wind energy collecting module are electrically connected with the storage battery, and the storage battery is electrically connected with the vibration sensor and the signal real-time processing and feature extracting module.
Further, the entities include piers, signal towers, and power towers.
The utility model provides a pier of making an uproar falls in self-adaptation antidetonation, includes pier main part and pier structure be equipped with the equipment room between pier main part and the pier structure, install the antiphase vibration exciter in the equipment room, a plurality of is used for gathering the vibration sensor who acts on the first vibration signal of pier and installs the settlement position of pier main part, every vibration sensor draws the module electricity with a signal real-time processing and characteristic and is connected, every the signal real-time processing draw the module with the characteristic respectively with antiphase vibration exciter communication connection.
Further, the anti-phase vibration exciter includes: the self-adaptive balanced frequency spectrum processor is used for receiving the frequency spectrum information and the control signal sent by the signal real-time processing and feature extracting module, starting the starting device of the anti-phase vibration exciter based on the control signal and controlling the coordination device of the anti-phase vibration exciter based on the frequency spectrum information; the starting device of the antiphase vibration exciter responds to the control signal received by the self-adaptive balanced frequency spectrum processor to generate vibration waves; the anti-phase vibration exciter coordination device is used for adjusting the phase of the vibration wave in response to the frequency spectrum information received by the self-adaptive equalization frequency spectrum processor so that the phase of the vibration wave is opposite to the phase of the first vibration signal; and the output device is used for outputting the vibration wave with the phase opposite to that of the first vibration signal to the pier bottom structure of the pier.
Further, the solar energy collecting device comprises a solar energy collecting module and/or a wind energy collecting module and a storage battery, wherein the solar energy collecting module and/or the wind energy collecting module are electrically connected with the storage battery, and the storage battery is electrically connected with the vibration sensor and the signal real-time processing and feature extracting module.
And further, damping materials are arranged on the outermost layer of the pier bottom structure of the pier, the outermost layer of the equipment chamber and the joint of the equipment chamber and the pier main body.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, by collecting the vibration signals acting on the entities such as the bridge piers and the like, the frequency spectrum analysis is carried out on the vibration signals, whether the vibration signals are caused by the earthquake or not is automatically judged, and the vibration signals with the opposite phase to the vibration signals act on the entities such as the bridge piers and the like in a reaction manner, so that the damage and loss caused by the earthquake are reduced, and the noise reduction function is realized;
(2) the invention realizes self-energy supply by collecting solar energy and/or wind energy, automatically reduces the sampling frequency of collecting vibration signals acting on entities such as piers and the like after eliminating earthquake factors, realizes energy conservation and reduces energy consumption;
(3) according to the invention, damping materials are arranged on the outermost layer of the pier bottom structure, the outermost layer of the equipment chamber and the joint of the equipment chamber and the pier main body for energy dissipation and clipping, so that the propagation of seismic waves to the upper structure is weakened and buffered, and the possibility of resonance of the anti-phase vibration exciter during working is inhibited.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a self-adaptive anti-seismic noise-reducing bridge pier provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of a multipoint multi-energy-supply wireless vibration sensor in an adaptive anti-seismic noise-reducing bridge pier provided by an embodiment of the invention;
FIG. 3 is a software operation interface diagram of a real-time signal processing and feature extraction module in an adaptive anti-seismic noise reduction device and a bridge pier according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of an equipment room of an adaptive seismic and noise reduction pier provided by an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
an adaptive seismic noise reduction method comprising: collecting a first vibration signal acting on an entity; acquiring frequency spectrum information of the first vibration signal, judging whether the first vibration signal meets a set condition or not based on the frequency spectrum information, and sending a control signal when the judgment result is 'yes'; and generating a second vibration signal with a phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal, and enabling the second vibration signal to act on the entity.
In this embodiment, the frequency spectrum information of the first vibration signal is acquired, whether the first vibration signal meets the set condition is judged based on the frequency spectrum information, and when the judgment result is yes, a control signal is sent out; the method specifically comprises the following steps:
performing fast Fourier transform on the first vibration signal, acquiring an acceleration oscillogram and spectrum information of the first vibration signal, and extracting peak data;
under a set analysis mode, judging whether an acceleration oscillogram, frequency spectrum information and/or peak data of the first vibration signal meet set conditions, and when the judgment result is 'no', indicating that the first vibration signal is not vibration caused by an earthquake, sending a frequency reduction signal, wherein the frequency reduction signal is used for reducing the sampling frequency for acquiring the first vibration signal so as to realize energy conservation; when the judgment result is 'yes', sending a control signal and an frequency increasing signal, generating a second vibration signal with the phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal, and enabling the second vibration signal to act on the entity; the frequency increasing signal is used for increasing the sampling frequency of acquiring the first vibration signal so as to improve the accuracy of the second vibration signal and furthest reduce the damage caused by the earthquake.
In this embodiment, the set analysis mode includes a real-time data analysis mode and a historical data analysis mode, and in the real-time data analysis mode, an acceleration oscillogram, spectrum information and/or peak data of the current first vibration signal are analyzed, whether a condition that the data corresponding to the first vibration signal in a past period of time exceeds a set value exists is analyzed, and if the condition exists, the first vibration signal collected currently is considered to be caused by an earthquake; if not, the vibration is regarded as other vibration which does not cause destructive effect; under the historical data analysis mode, downloading target files such as frequency spectrum information of the vibration caused by the earthquake from a cloud database, wherein the target files comprise an acceleration oscillogram, the frequency spectrum information and/or peak data of the vibration signal, comparing the acceleration oscillogram, the frequency spectrum information and/or the peak data with corresponding data of the currently acquired first vibration signal, considering the currently acquired first vibration signal as the vibration caused by the earthquake if set conditions are met, and considering the vibration as the vibration without destructive consequences if the set conditions are not met. The currently collected first vibration signal and various data formed in the first vibration signal processing process are uploaded to a cloud database to serve as part of historical data.
Example two:
based on the first adaptive anti-seismic noise reduction method, the embodiment provides an adaptive anti-seismic noise reduction device, which includes: the vibration sensor is used for acquiring a first vibration signal acting on the entity; the signal real-time processing and feature extracting module is used for acquiring frequency spectrum information of the first vibration signal, judging whether the first vibration signal meets a set condition or not based on the frequency spectrum information, and sending a control signal when the judgment result is 'yes'; and the anti-phase vibration exciter is used for generating a second vibration signal with the phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal and enabling the second vibration signal to act on the entity.
In this embodiment, the entities include piers, signal towers, and power towers. The vibration sensor is arranged on the bridge pier, the foundation of the signal tower, the foundation of the electric power tower and the like. The signal real-time processing and feature extraction module receives a first vibration signal acquired by the vibration sensor, performs fast Fourier transform on the first vibration signal, acquires an acceleration oscillogram and frequency spectrum information of the first vibration signal, and extracts peak data; under a set analysis mode, judging whether an acceleration oscillogram, frequency spectrum information and/or peak data of the first vibration signal meet set conditions, and when the judgment result is 'no', indicating that the first vibration signal is not vibration caused by an earthquake, sending a frequency reduction signal, wherein the frequency reduction signal is used for reducing the sampling frequency of the vibration sensor for acquiring the first vibration signal so as to realize energy conservation; when the judgment result is 'yes', a control signal and an frequency increasing signal are sent out, the anti-phase vibration exciter generates a second vibration signal with the phase opposite to that of the first vibration signal on the basis of the received frequency spectrum information and the control signal, and the second vibration signal acts on entities such as a bridge pier and the like; the frequency increasing signal is used for increasing the sampling frequency of the vibration sensor for acquiring the first vibration signal so as to improve the accuracy of the second vibration signal and furthest reduce the damage caused by the earthquake.
In the embodiment, the solar energy collecting device further comprises a solar energy collecting module and/or a wind energy collecting module and a storage battery, wherein the solar energy collecting module and/or the wind energy collecting module is electrically connected with the storage battery, the storage battery is electrically connected with the vibration sensor and the signal real-time processing and characteristic extracting module, working power is provided, self-power supply is achieved, and the first vibration signal collected by the vibration sensor is processed and extracted in real time. The antiphase vibration exciter is independently powered by an external power supply.
Example three:
based on the adaptive anti-seismic noise reduction method and the adaptive anti-seismic noise reduction device, the embodiment provides an adaptive anti-seismic noise reduction pier, as shown in fig. 1 to 4, the adaptive anti-seismic noise reduction pier comprises a pier main body 1 and a pier bottom structure 2, an equipment chamber 3 is arranged between the pier main body 1 and the pier bottom structure 2, an anti-phase vibration exciter is installed in the equipment chamber 3, 4 to 6 vibration sensors 4 used for acquiring first vibration signals acting on the pier are installed at set positions of the pier main body 1, each vibration sensor 4 is electrically connected with a signal real-time processing and feature extraction module, and each signal real-time processing and feature extraction module is respectively in communication connection with the anti-phase vibration exciter.
In the embodiment, the vibration sensors 4 are uniformly arranged around the pier main body 1 at intervals and are used for collecting first vibration signals acting on the pier; the signal real-time processing and feature extraction module is configured in the vibration sensor 4, converts an analog signal into a digital signal by reading original positioning data of the vibration sensor 4, and acquires three-way acceleration data; carrying out fast Fourier transform on the first vibration signal to obtain an acceleration oscillogram and spectrum information of the first vibration signal, and extracting peak data; under a set analysis mode (comprising a real-time data analysis mode and a historical data analysis mode), judging whether an acceleration oscillogram, frequency spectrum information and/or peak data of a first vibration signal meet set conditions (because vibration is possibly caused by wind load or traffic load, but the wind load and the traffic load are different from the frequency spectrum of an earthquake, so that the set conditions aim at eliminating the interference of factors such as the wind load and the traffic load and the like); when the judgment result is 'yes', a control signal and an frequency increasing signal are sent out, the anti-phase vibration exciter generates a second vibration signal with the phase opposite to that of the first vibration signal based on the received frequency spectrum information and the control signal, and the second vibration signal acts on the bridge pier; the frequency increasing signal is used for increasing the sampling frequency of the vibration sensor for acquiring the first vibration signal so as to improve the accuracy of the second vibration signal and furthest reduce the damage to the bridge pier caused by the earthquake.
In the present embodiment, the antiphase vibration exciter 5 includes: the adaptive equalization frequency spectrum processor 51 is used for receiving frequency spectrum information and control signals sent by the signal real-time processing and feature extraction module, starting the anti-phase vibration exciter starting device 52 based on the control signals and controlling the anti-phase vibration exciter coordinating device 53 based on the frequency spectrum information; an anti-phase vibration exciter startup device 52 that generates a vibration wave in response to a control signal received by the adaptive equalization spectrum processor 51; the antiphase vibration exciter coordination device 53 responds to the frequency spectrum information received by the self-adaptive equalization frequency spectrum processor 52 to adjust the phase of the vibration wave in real time, so that the phase of the vibration wave is always opposite to the phase of the first vibration signal; and the output device 54 is used for outputting the vibration wave with the phase opposite to that of the first vibration signal to the pier bottom structure 2 of the pier, and offsetting the seismic wave to the maximum extent to realize the noise reduction function.
A layer of high damping material is laid on the outermost layer of the pier bottom structure 2 of the pier, the outermost layer of the equipment chamber 3 and the joint of the equipment chamber 3 and the pier main body 1, and is used for energy dissipation and wave clipping, weakening and buffering seismic wave transmission to an upper structure, and simultaneously inhibiting the possibility of resonance of the anti-phase vibration exciter during working. In this embodiment, the device chamber 3 is provided with a plurality of reinforcing structures 31 respectively embedded into the pier main body 1 and the pier bottom structure 2 at the connection portions with the pier main body 1 and the pier bottom structure 2, and the reinforcing structures 31 are used for enhancing the connection strength between the device chamber 3 and the pier main body 1 and the pier bottom structure 2, so that the pier main body 1, the device chamber 3 and the pier bottom structure 2 form a whole.
The solar energy collecting device further comprises a solar energy collecting module and/or a wind energy collecting module and a storage battery, wherein the solar energy collecting module and/or the wind energy collecting module are electrically connected with the storage battery, and the storage battery is electrically connected with the vibration sensor and the signal real-time processing and characteristic extracting module to provide working power. The antiphase vibration exciter is independently powered by an external power supply.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An adaptive anti-seismic and noise reduction method is characterized by comprising the following steps:
collecting a first vibration signal acting on an entity;
acquiring frequency spectrum information of the first vibration signal, judging whether the first vibration signal meets a set condition or not based on the frequency spectrum information, and sending a control signal when the judgment result is 'yes';
and generating a second vibration signal with the phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal, and enabling the second vibration signal to act on the entity.
2. The adaptive anti-seismic and noise-reducing method according to claim 1, wherein the obtaining of the frequency spectrum information of the first seismic signal, the determining whether the first seismic signal meets the set condition based on the frequency spectrum information, and the sending of the control signal when the determination result is "yes" specifically comprises:
carrying out Fourier transform on the first vibration signal, acquiring an acceleration oscillogram and spectrum information of the first vibration signal, and extracting peak data;
under a set analysis mode, judging whether an acceleration oscillogram, frequency spectrum information and/or peak data of a first vibration signal meet set conditions, and when the judgment result is 'no', sending a frequency reduction signal, wherein the frequency reduction signal is used for reducing the sampling frequency for acquiring the first vibration signal; and when the judgment result is yes, sending a control signal and an increasing frequency signal, wherein the increasing frequency signal is used for increasing the sampling frequency for acquiring the first vibration signal.
3. The utility model provides a device of making an uproar falls in self-adaptation antidetonation which characterized by includes:
the vibration sensor is used for acquiring a first vibration signal acting on the entity;
the signal real-time processing and feature extracting module is used for acquiring frequency spectrum information of the first vibration signal, judging whether the first vibration signal meets a set condition or not based on the frequency spectrum information, and sending a control signal when the judgment result is 'yes';
and the anti-phase vibration exciter is used for generating a second vibration signal with the phase opposite to that of the first vibration signal based on the frequency spectrum information and the control signal and enabling the second vibration signal to act on the entity.
4. The adaptive anti-seismic and noise-reducing device according to claim 3, wherein the signal real-time processing and feature extraction module is configured to send a frequency reduction signal when the determination result is "no", and the frequency reduction signal is configured to reduce a sampling frequency for acquiring the first seismic signal; and when the judgment result is yes, sending an increasing frequency signal, wherein the increasing frequency signal is used for increasing the sampling frequency for acquiring the first vibration signal.
5. An adaptive anti-seismic noise reduction device according to claim 3, further comprising a solar energy collection module and/or a wind energy collection module, and a storage battery, wherein the solar energy collection module and/or the wind energy collection module is electrically connected with the storage battery, and the storage battery is electrically connected with the vibration sensor and the signal real-time processing and feature extraction module.
6. An adaptive seismic noise reduction device according to claim 3, wherein the entities comprise piers, signal towers and power towers.
7. The utility model provides a pier of making an uproar falls in self-adaptation antidetonation, characterized by includes pier main part and pier structure be equipped with the equipment room between pier main part and the pier structure, install the antiphase vibration excitator in the equipment room, a plurality of is used for gathering the vibration sensor who acts on the first vibration signal of pier and installs the settlement position of pier main part, every vibration sensor and a signal real-time processing and characteristic extraction module electricity are connected, every signal real-time processing and characteristic extraction module respectively with antiphase vibration excitator communication connection.
8. An adaptive seismic noise reduction pier according to claim 7, wherein the anti-phase vibration exciter comprises:
the self-adaptive balanced frequency spectrum processor is used for receiving the frequency spectrum information and the control signal sent by the signal real-time processing and feature extracting module, starting the starting device of the anti-phase vibration exciter based on the control signal and controlling the coordination device of the anti-phase vibration exciter based on the frequency spectrum information;
the starting device of the antiphase vibration exciter responds to the control signal received by the self-adaptive balanced frequency spectrum processor to generate vibration waves;
the anti-phase vibration exciter coordination device is used for adjusting the phase of the vibration wave in response to the frequency spectrum information received by the self-adaptive equalization frequency spectrum processor so that the phase of the vibration wave is opposite to the phase of the first vibration signal;
and the output device is used for outputting the vibration wave with the phase opposite to that of the first vibration signal to the pier bottom structure of the pier.
9. An adaptive earthquake-resistant noise-reducing bridge pier as claimed in claim 7, further comprising a solar energy collection module and/or a wind energy collection module and a storage battery, wherein the solar energy collection module and/or the wind energy collection module are electrically connected with the storage battery, and the storage battery is electrically connected with the vibration sensor and the signal real-time processing and feature extraction module.
10. An adaptive earthquake-resistant noise-reducing pier according to claim 7, wherein damping materials are arranged on the outermost layer of the pier bottom structure, the outermost layer of the equipment chamber and the joint of the equipment chamber and the pier main body.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321854A (en) * | 2013-05-29 | 2013-09-25 | 国家电网公司 | Vibration control method for wind generator set tower |
| CN106324660A (en) * | 2016-09-29 | 2017-01-11 | 南京南瑞集团公司 | Device and method for dynamic dam safety monitoring under seismic condition |
| CN106500829A (en) * | 2016-09-30 | 2017-03-15 | 广州机智云物联网科技有限公司 | A kind of adaptively sampled frequency tracking method |
| CN106507271A (en) * | 2016-09-29 | 2017-03-15 | 北京科技大学 | A kind of industrial machinery vibration signals collecting method |
| KR20170069081A (en) * | 2015-12-10 | 2017-06-20 | 현대자동차주식회사 | Apparatus and method for active vibration control of hybrid vehicle |
| CN206971453U (en) * | 2017-07-22 | 2018-02-06 | 福州大学 | A kind of antivibration mount for being used to offset building structure geological process |
| CN108267218A (en) * | 2018-03-08 | 2018-07-10 | 中国石油大学(北京) | A kind of adaptive Variable sampling method and device of mechanical equipment vibration signal monitoring |
| CN109425886A (en) * | 2017-08-27 | 2019-03-05 | 南京乐朋电子科技有限公司 | A kind of alarm of seismic shock wave and damping device |
| CN109667224A (en) * | 2019-03-01 | 2019-04-23 | 河北工业大学 | A kind of bridge pier seismic hardening transformation device of built-in " air bag " system |
| CN211572069U (en) * | 2019-12-31 | 2020-09-25 | 王选 | Anti-vibration device for counteracting earthquake action of building structure |
-
2020
- 2020-11-11 CN CN202011253842.XA patent/CN112502031A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321854A (en) * | 2013-05-29 | 2013-09-25 | 国家电网公司 | Vibration control method for wind generator set tower |
| KR20170069081A (en) * | 2015-12-10 | 2017-06-20 | 현대자동차주식회사 | Apparatus and method for active vibration control of hybrid vehicle |
| CN106324660A (en) * | 2016-09-29 | 2017-01-11 | 南京南瑞集团公司 | Device and method for dynamic dam safety monitoring under seismic condition |
| CN106507271A (en) * | 2016-09-29 | 2017-03-15 | 北京科技大学 | A kind of industrial machinery vibration signals collecting method |
| CN106500829A (en) * | 2016-09-30 | 2017-03-15 | 广州机智云物联网科技有限公司 | A kind of adaptively sampled frequency tracking method |
| CN206971453U (en) * | 2017-07-22 | 2018-02-06 | 福州大学 | A kind of antivibration mount for being used to offset building structure geological process |
| CN109425886A (en) * | 2017-08-27 | 2019-03-05 | 南京乐朋电子科技有限公司 | A kind of alarm of seismic shock wave and damping device |
| CN108267218A (en) * | 2018-03-08 | 2018-07-10 | 中国石油大学(北京) | A kind of adaptive Variable sampling method and device of mechanical equipment vibration signal monitoring |
| CN109667224A (en) * | 2019-03-01 | 2019-04-23 | 河北工业大学 | A kind of bridge pier seismic hardening transformation device of built-in " air bag " system |
| CN211572069U (en) * | 2019-12-31 | 2020-09-25 | 王选 | Anti-vibration device for counteracting earthquake action of building structure |
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