CN203869772U - Wireless vibration signal acquisition instrument - Google Patents
Wireless vibration signal acquisition instrument Download PDFInfo
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- CN203869772U CN203869772U CN201420165244.0U CN201420165244U CN203869772U CN 203869772 U CN203869772 U CN 203869772U CN 201420165244 U CN201420165244 U CN 201420165244U CN 203869772 U CN203869772 U CN 203869772U
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a wireless vibration signal acquisition instrument which comprises a vibrating sensor. The vibrating sensor transmits signals to a signal conditioner through a cable. After modulation and processing of the signals from the vibrating sensor by the signal conditioner modulates, the signal conditioner transmits the modulated and processed signals to an analog-to-digital converter through a cable. The analog-to-digital converter transmits vibration data signals to a control center through a cable. The control center transmits processed vibration signals to a WIFI transmission module through a data line, and the processed vibration signals are sent to a host computer through the WIFI transmission module. The vibrating sensor, the signal conditioner, the analog-to-digital converter, the control center and the WIFI transmission module are connected with a power supply module. The wireless vibration signal acquisition instrument is convenient in carry and simple in acquisition process. By abandoning complicated connection wires of a senor, the distance between the sensor and the host computer is enlarged, tedious work of line arrangement is prevented, signal acquisition is more accurate, and a multipoint multidirectional test system is convenient to form.
Description
Technical field
The utility model relates to vibration signal transmission technique field, relate in particular to a kind of simple in structure, be easy to carry, wireless vibration signal sampler easy to use.
Background technology
Vibration transducer is a kind of alarm detection sensor of current widespread use, and it adds spring heavy hammer structure by inner piezoelectric ceramic piece and experiences the parameter (as vibration velocity, frequency, acceleration etc.) of mechanical motion vibration and convert usable output signal to.Because vibration transducer is also a kind of electromechanical transformation apparatus, so sometimes also claim that it is transducer, vibro-pickup etc.Vibration transducer is one of critical component in measuring technology, it has, and cost is low, highly sensitive, working stability is reliable, the advantage that vibration detection adjustable extent is large, is widely applied on chatter signal detection system, and current 80 percent vehicle alarm is all used this class sensor.
Vibration transducer, aspect mechanical record principle, only has two kinds of relative type motor, inertia-types, Dan mechanoelectric conversion aspect, and due to transform method and different in kind, it is of a great variety, and range of application is also extremely extensive.Sensor used in modern vibration survey, has not been mechanical measuring device independently on traditional concept, and it is only a link in whole measuring system, and is closely related with follow-up electronic circuit.
Existing vibration signals collecting instrument is connected by signal wire sensor mostly with main frame, only have minority Acquisition Instrument to adopt blue teeth wireless function, cause transmission range and quantity scalability limited, in addition because circuit devcie compares low side, so also have other different shortcomings, comprehensive conclusion has: picking rate is slow, noise is large, dynamic range is inadequate, Bluetooth wireless transmission can only be connected with main frame one to one apart from limited (about 10 meters), sensor.
Utility model content
The utility model object is, a kind of vibration detection signal long transmission distance is provided, simple in structure, the vibration signals collecting instrument that does not need line easy to use.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of wireless vibration signal sampler, it is characterized in that, described vibration signals collecting instrument involving vibrations sensor, vibration transducer reaches signal conditioner by cable by signal, after the signal modulation process that signal conditioner transmits vibration transducer, by cable, be sent to analog to digital converter, analog to digital converter is sent to control center by cable again by vibration digital signal, control center is sent to WIFI transport module by the vibration signal after processing by data line, and send to host computer by WIFI transport module, described vibration transducer, signal conditioner, analog to digital converter, control center and WIFI transport module are connected with power module respectively.
Wherein preferred technical scheme is that described vibration transducer comprises piezoelectric vibration pickup, or displacement-type vibration transducer, or induction type vibration sensor, or condenser type vibration transducer.
Further preferred technical scheme is, described vibration transducer has Heavenly Stems and Earthly Branches as for, and some vibration transducers and signal conditioner are connected in parallel.
Preferred technical scheme also has, and described signal conditioner is LM358 operational amplifier.
Preferred technical scheme also has, and described control center is single-chip microcomputer.
Preferred technical scheme also has, and described WIFI transport module is technical grade or is civilian level, or is the technical grade WIFI transport module that adds repeater.
Preferred technical scheme also has, and described host computer is one of computing machine, panel computer, mobile phone or its combination in any.
Preferred technical scheme also has, and described control center is connected with audible-visual annunciator, and/or is connected with oscillograph, display.
Advantage of the present utility model and beneficial effect are as follows:
1) noise is low: because this vibration signals collecting instrument has adopted advanced WIFI transport module, so the noise of this device extremely low (only having uV rank), upper computer end improves for the recognition capability of feeble signal.
2) transmission range is large: adopt different WIFI transport module antennas and power drive can change the scope that WIFI transport module signal covers, so just can strengthen transmission range as long as strengthen the emissive power of antenna, apply very flexible.
3) quantity can be expanded: because WIFI transport module agreement is the perfect agreement that an access point is connected with a plurality of clients simultaneously, so can determine arbitrarily the quantity of client within access point connects the scope of client terminal quantity, so this Acquisition Instrument based on WIFI transport module can be determined arbitrarily the scale of acquisition system equally, reach the effect that multiple spot, multiaspect gather simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation block diagram of the utility model wireless vibration signal sampler;
Fig. 2 is the schematic diagram that the utility model wireless vibration signal sampler is connected with host computer;
Fig. 3 is one of structural representation of the utility model wireless vibration signal sampler Application Example;
Fig. 4 be the utility model wireless vibration signal sampler Application Example structural representation two.
In figure: 1, vibration transducer; 2, signal conditioner; 3, analog to digital converter; 4, control center; 5, WIFI transport module; 6, power module; 7, concrete pile body; A, host computer; B, wireless vibration Acquisition Instrument.
Embodiment
Fig. 1, Fig. 2 are a kind of wireless vibration signal sampler of the utility model, this wireless vibration signal sampler involving vibrations sensor 1, vibration transducer 1 reaches signal conditioner 2 by cable by signal, after the signal modulation process that signal conditioner 3 transmits vibration transducer 1, by cable, be sent to analog to digital converter 3, analog to digital converter 3 is sent to control center 4 by cable again by digital signal, control center 4 is sent to WIFI transport module 5 by the vibration signal after processing by data line, and sends to host computer A by WIFI transport module 5; Described vibration transducer 1, signal conditioner 2, analog to digital converter 3, control center 4 and WIFI transport module 5 are connected with power module 6 respectively.
In the utility model, preferred enforcement technical scheme is that described vibration transducer 1 comprises piezoelectric vibration pickup, or displacement-type vibration transducer, or induction type vibration sensor, or condenser type vibration transducer.
In the utility model, further preferred embodiment is, described vibration transducer 1 can have Heavenly Stems and Earthly Branches as for, some vibration transducers 1 and signal conditioner 2 can be connected in parallel.
In the utility model, preferred embodiment also has, and described signal conditioner 2 can be selected LM358 operational amplifier.
In the utility model, preferred embodiment also has, and described control center 4 can select single-chip microcomputer.
In the utility model, preferred embodiment also has, and described WIFI transport module 5 is optional with technical grade or be civilian grade, or selects the technical grade WIFI transport module 5 that adds repeater.
In the utility model, preferred embodiment also has, and described host computer 7 can be one of computing machine, panel computer, mobile phone or its combination in any.
In the utility model, preferred embodiment also has, and described control center can also be connected with audible-visual annunciator, and/or is connected (in figure picture) with oscillograph, display.
That this wireless vibration signal sampler carries is more convenient (use instrument knapsack form carry novel), gatherer process more simply (is given up loaded down with trivial details sensor line, both strengthened the distance between sensor and main frame, the loaded down with trivial details work of having avoided again line to arrange), collection signal is more accurate; Quantity of the present utility model is increase and decrease arbitrarily in the upper range of wireless routing access point, is convenient to form a multiple spot, multi-faceted test macro.
The principle of work of this wireless vibration signal sampler each several part is summarized as follows:
Vibration transducer 1 is responsible for vibration signal to be converted to electric signal transmission to signal conditioner 2.
Signal conditioner 2 is responsible for the voltage signal that sensor is transmitted, and by the conditioning parameter of control center's configuration, processes, to obtain the signal of suitable amplitude, is transferred to analog to digital converter 3.
Digital to analog converter 3 is that the electric signal that conditioner 2 is sent here is converted to digital signal by the sample frequency of control center's requirement, is then transferred to control center 4.
Control center 4, by the signal data collecting, is transferred to host computer through wireless WIFI transport module 5 and is further processed.
The operating voltage of all each devices is all provided by power module 6.
Embodiment 1
As shown in Figure 3, wireless WIFI transport module 5, if upper host A is opened to WIFI transport module 5 focus functions or is connected with the router of WIFI transport module 5, upper host A can connect a plurality of wireless vibration Acquisition Instrument B simultaneously (concrete quantity is depending on the performance of focus or router, mobile phone is generally about 18 of 8, router, and the router that performance is good can connect more than 100) carry out multi-measuring point, multi-faceted on a large scale (about 30 meters of civilian level, technical grade about 300 meters or distance larger add repeater) vibration signals collecting.
24 AD, high precision, great dynamic range, both met the integrality of large-signal, can improve again the accuracy of feeble signal, adds that the total dynamic range of variable gain part can reach: 175dB.
This wireless vibration Acquisition Instrument B can be connected with any portable equipment (as: notebook computer, panel computer PAD and smart mobile phone etc.) with intelligent operating system, to realize the function such as collection, storage, analysis of signal.
The equipment such as the success of this Acquisition Instrument and notebook, mobile phone, PAD have formed perfect test macro, can be used for Perfection of Foundation Pile by Reflected Wave detection, anchor pole detection, impact echo detection, all kinds of chatter input etc.
As shown in Figure 4, wireless vibration Acquisition Instrument B is placed on reflection wave foundation pile, can detects the integrality of concrete pile body 7, for judging degree and the position of concrete pile body 7 defects.
The utility model is not limited to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, can not exceed the protection domain of design of the present utility model and claims.
Claims (8)
1. a wireless vibration signal sampler, it is characterized in that, described vibration signals collecting instrument involving vibrations sensor, vibration transducer reaches signal conditioner by cable by signal, after the signal modulation process that signal conditioner transmits vibration transducer, by cable, be sent to analog to digital converter, analog to digital converter is sent to control center by cable again by vibration digital signal, control center is sent to WIFI transport module by the vibration signal after processing by data line, and sends to host computer by WIFI transport module; Described vibration transducer, signal conditioner, analog to digital converter, control center and WIFI transport module are connected with power module respectively.
2. wireless vibration signal sampler as claimed in claim 1, is characterized in that, described vibration transducer comprises piezoelectric vibration pickup, or displacement-type vibration transducer, or induction type vibration sensor, or condenser type vibration transducer.
3. wireless vibration signal sampler as claimed in claim 2, is characterized in that, described vibration transducer has Heavenly Stems and Earthly Branches as for, and some vibration transducers and signal conditioner are connected in parallel.
4. wireless vibration signal sampler as claimed in claim 1, is characterized in that, described signal conditioner is LM358 operational amplifier.
5. wireless vibration signal sampler as claimed in claim 1, is characterized in that, described control center is single-chip microcomputer.
6. wireless vibration signal sampler as claimed in claim 1, is characterized in that, described WIFI transport module is technical grade or is civilian level, or is the technical grade WIFI transport module that adds repeater.
7. wireless vibration signal sampler as claimed in claim 1, is characterized in that, described host computer is one of computing machine, panel computer, mobile phone or its combination in any.
8. wireless vibration signal sampler as claimed in claim 1, is characterized in that, described control center is connected with audible-visual annunciator, and/or is connected with oscillograph, display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165244.0U CN203869772U (en) | 2014-04-04 | 2014-04-04 | Wireless vibration signal acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165244.0U CN203869772U (en) | 2014-04-04 | 2014-04-04 | Wireless vibration signal acquisition instrument |
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| Publication Number | Publication Date |
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| CN203869772U true CN203869772U (en) | 2014-10-08 |
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| CN201420165244.0U Expired - Lifetime CN203869772U (en) | 2014-04-04 | 2014-04-04 | Wireless vibration signal acquisition instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115590A (en) * | 2015-08-28 | 2015-12-02 | 苏州市博得立电源科技有限公司 | Environmental noise measuring instrument based on sine wave inverter power supply |
| CN105628102A (en) * | 2016-02-25 | 2016-06-01 | 中国石油化工股份有限公司 | Wireless transmission temperature vibration transmitter of magnetic adsorption type |
| CN105989703A (en) * | 2015-02-10 | 2016-10-05 | 启碁科技股份有限公司 | Wireless sensing device |
| CN107621796A (en) * | 2017-09-13 | 2018-01-23 | 广东昭信平洲电子有限公司 | A kind of device intelligence monitoring system |
| CN108489540A (en) * | 2018-03-15 | 2018-09-04 | 上海士翌测试技术有限公司 | Intelligent Sensing System based on wifi communications |
| CN108982051A (en) * | 2018-08-29 | 2018-12-11 | 河海大学 | A kind of impact echo detection system and method based on smart phone |
| CN109752754A (en) * | 2018-12-19 | 2019-05-14 | 中国电子科技集团公司电子科学研究院 | For detecting the apparatus and system of earth shock signal |
-
2014
- 2014-04-04 CN CN201420165244.0U patent/CN203869772U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989703A (en) * | 2015-02-10 | 2016-10-05 | 启碁科技股份有限公司 | Wireless sensing device |
| CN105115590A (en) * | 2015-08-28 | 2015-12-02 | 苏州市博得立电源科技有限公司 | Environmental noise measuring instrument based on sine wave inverter power supply |
| CN105628102A (en) * | 2016-02-25 | 2016-06-01 | 中国石油化工股份有限公司 | Wireless transmission temperature vibration transmitter of magnetic adsorption type |
| CN107621796A (en) * | 2017-09-13 | 2018-01-23 | 广东昭信平洲电子有限公司 | A kind of device intelligence monitoring system |
| CN108489540A (en) * | 2018-03-15 | 2018-09-04 | 上海士翌测试技术有限公司 | Intelligent Sensing System based on wifi communications |
| CN108982051A (en) * | 2018-08-29 | 2018-12-11 | 河海大学 | A kind of impact echo detection system and method based on smart phone |
| CN109752754A (en) * | 2018-12-19 | 2019-05-14 | 中国电子科技集团公司电子科学研究院 | For detecting the apparatus and system of earth shock signal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ZBL SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING ZBL SCIENCE + TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100088 Beijing city Xicheng District Deshengmen Street No. 11 Building 1 Room 301 Patentee after: BEIJING ZBL SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 100088 Beijing city Xicheng District Deshengmen Street No. 11 Building 1 Room 301 Patentee before: Beijing ZBL Science & Technology Co.,Ltd. |
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Granted publication date: 20141008 |
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