CN204718634U - A kind of pick-up unit towards ultrasonic sensor and system - Google Patents
A kind of pick-up unit towards ultrasonic sensor and system Download PDFInfo
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- CN204718634U CN204718634U CN201520439560.7U CN201520439560U CN204718634U CN 204718634 U CN204718634 U CN 204718634U CN 201520439560 U CN201520439560 U CN 201520439560U CN 204718634 U CN204718634 U CN 204718634U
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Abstract
The utility model embodiment discloses pick-up unit towards ultrasonic sensor and system, wherein device comprises: shell, piezoelectric chip, first standard transducer, the second standard transducer, the 3rd standard transducer, signal processing circuit, signal input line, output line and electrode wires, wherein: described piezoelectric chip is installed on described shell internal upper part; Described first standard transducer, described second standard transducer and described 3rd standard transducer have relay-type bandwidth, and are positioned over below described piezoelectric chip; Described signal processing circuit is electrically connected with described first standard transducer, described second standard transducer and described 3rd standard transducer respectively by described electrode wires; Described signal input line is connected with described piezoelectric chip; Described output line is connected with the output terminal of described signal processing circuit.The pick-up unit of the ultrasonic sensor in the utility model and system, realize simple for structure and universality strong, and the technical purpose that accuracy in detection is high.
Description
Technical field
The utility model relates to sensor feedback technical field, more particularly, relates to a kind of pick-up unit towards ultrasonic sensor and system.
Background technology
Along with scientific-technical progress and social development, ultrasonic sensor is in medical science, military affairs, industry, agriculturally have many application, the property relationship of ultrasonic sensor, to productive life every aspect, thus detects accurately and reliably the performance of ultrasonic sensor and seems particularly crucial.
There is complex structure in the existing checkout equipment for ultrasonic sensor, and universality that is that occur is low because sampling frequency band is narrow, and the technical matters that accuracy in detection is low.
Utility model content
In view of this, the utility model provides a kind of pick-up unit and system of ultrasonic sensor, strong to realize simple for structure and universality, and the technical purpose that accuracy in detection is high.
Towards a pick-up unit for ultrasonic sensor, comprising: shell, piezoelectric chip, the first standard transducer, the second standard transducer, the 3rd standard transducer, signal processing circuit, signal input line, output line and electrode wires, wherein:
Described piezoelectric chip is installed on described shell internal upper part;
Described first standard transducer, described second standard transducer and described 3rd standard transducer have relay-type bandwidth, and are positioned over below described piezoelectric chip;
Described signal processing circuit is electrically connected with described first standard transducer, described second standard transducer and described 3rd standard transducer respectively by described electrode wires;
Described signal input line is electrically connected with described piezoelectric chip;
Described output line is connected with the output terminal of described signal processing circuit.
Preferably, described side wall of outer shell is filled with acoustic absorbant.
Preferably, this pick-up unit also comprises aluminium sheet, and described aluminium sheet supports described first standard transducer, described second standard transducer and described 3rd standard transducer.
Preferably, this pick-up unit also comprises copper post, and described copper post supports described signal processing circuit.
Preferably, the standard transducer of described first standard transducer to be frequency band be 20-100K.
Preferably, the standard transducer of described second standard transducer to be frequency band be 100-300K.
Preferably, the standard transducer of described 3rd standard transducer to be frequency band be 300-500K.
The invention also discloses a kind of detection system towards ultrasonic sensor, comprising:
Ultrasonic sensor to be measured, main frame and the above-mentioned pick-up unit towards ultrasonic sensor, described ultrasonic sensor to be measured is installed on above described piezoelectric chip, and described main frame is connected by the output terminal of described output line with described signal processing circuit.
As can be seen from above-mentioned technical scheme, the pick-up unit towards ultrasonic sensor of the utility model embodiment and system, be provided with three standard transducers that bandwidth is different, and the relay-type design on frequency span of described three standard transducers, the frequency span of ensuring coverage most standard ultrasonic sensor, simultaneously, after described three standard transducers access signal processing circuit process by the ultrasonic signal that will record, output line is adopted to upload main frame, ultrasonic sensor to be measured and main frame is made to form backfeed loop, lowly largely improve accuracy of measurement.Thus should towards pick-up unit of ultrasonic sensor and system architecture is succinct, universality is strong and accuracy in detection is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structure of the detecting device schematic diagram of Fig. 1 ultrasonic sensor disclosed in the utility model embodiment;
The detection system structural representation of Fig. 2 ultrasonic sensor disclosed in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of pick-up unit and system of ultrasonic sensor, strong to realize simple for structure and universality, and the technical purpose that accuracy in detection is high.
Fig. 1 shows a kind of pick-up unit towards ultrasonic sensor, comprising:
Shell 10, piezoelectric chip 1, first standard transducer 21, second standard transducer 22, the 3rd standard transducer 23, signal processing circuit 3, signal input line 8, output line 9 and electrode wires 6 (shown in Fig. 1 wherein an article), wherein:
Described piezoelectric chip 1 is installed on described shell 10 internal upper part;
Described first standard transducer 21, described second standard transducer 22 and described 3rd standard transducer 23 have relay-type bandwidth, and are positioned over below described piezoelectric chip 1; Above-mentioned three standard transducers are the design in relay-type on frequency span, and the bandwidth of the most of ultrasonic sensor of ensuring coverage improves accuracy of detection.
As preferably, the standard transducer of described first standard transducer to be frequency band be 20-100K.The standard transducer of described second standard transducer to be frequency band be 100-300K.The standard transducer of described 3rd standard transducer to be frequency band be 300-500K.Above-mentioned frequency span is preferred way of realization, does not limit to.
Described signal processing circuit 3 is electrically connected with described first standard transducer 21, described second standard transducer 22 and described 3rd standard transducer 23 respectively by described electrode wires 6;
Described signal input line 8 is electrically connected with described piezoelectric chip 1; Signal source will give described piezoelectric chip 1 signal, for detecting the standard of current sensor through described signal input 9.
Described output line 9 is connected with the output terminal of described signal processing circuit 3.
Described output line 9 is by the Signal transmissions of standard transducer on main frame, and main frame and sensor to be measured constitute backfeed loop.
Described shell 10 sidewall is filled with acoustic absorbant 5.Described acoustic absorbant is set and reduces noise, improve accuracy in detection.
Also show aluminium sheet 4 in FIG, described aluminium sheet 4 supports described first standard transducer 21, described second standard transducer 22 and described 3rd standard transducer 23.
Also show this pick-up unit in FIG and also comprise copper post 7, described copper post 7 supports described signal processing circuit 3.Described copper post can prevent signal processing circuit 3 to be connected with shell.
Fig. 2 shows a kind of detection system towards ultrasonic sensor, comprising:
Ultrasonic sensor 11 to be measured, main frame 12 and the above-mentioned pick-up unit towards ultrasonic sensor, described ultrasonic sensor to be measured 11 is installed on above described piezoelectric chip 1, and described main frame 12 is connected by the output terminal of described output line 9 with described signal processing circuit 3.Described output line 9 is by the Signal transmissions of the standard transducer after process on main frame, and main frame 12 and sensor 11 to be measured constitute backfeed loop, can adjust exactly and monitor.
The structure of the described pick-up unit towards ultrasonic sensor and principle of work, with reference to Fig. 1 diagram and corresponding explanation thereof, repeat no more.
In sum:
The pick-up unit towards ultrasonic sensor of the utility model embodiment and system, be provided with three standard transducers that bandwidth is different, and the relay-type design on frequency span of described three standard transducers, the frequency span of ensuring coverage most standard ultrasonic sensor, simultaneously, after described three standard transducers access signal processing circuit process by the ultrasonic signal that will record, output line is adopted to upload main frame, make ultrasonic sensor to be measured and main frame form backfeed loop, lowly largely improve accuracy of measurement.Thus should towards pick-up unit of ultrasonic sensor and system architecture is succinct, universality is strong and accuracy in detection is high.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the utility model embodiment, can realize in other embodiments.Therefore, the utility model embodiment can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. the pick-up unit towards ultrasonic sensor, it is characterized in that, comprise: shell, piezoelectric chip, the first standard transducer, the second standard transducer, the 3rd standard transducer, signal processing circuit, signal input line, output line and electrode wires, wherein:
Described piezoelectric chip is installed on described shell internal upper part;
Described first standard transducer, described second standard transducer and described 3rd standard transducer have relay-type bandwidth, and are positioned over below described piezoelectric chip;
Described signal processing circuit is electrically connected with described first standard transducer, described second standard transducer and described 3rd standard transducer respectively by described electrode wires;
Described signal input line is electrically connected with described piezoelectric chip;
Described output line is connected with the output terminal of described signal processing circuit.
2., as claimed in claim 1 towards the pick-up unit of ultrasonic sensor, it is characterized in that, described side wall of outer shell is filled with acoustic absorbant.
3. as claimed in claim 1 towards the pick-up unit of ultrasonic sensor, it is characterized in that, also comprise aluminium sheet, described aluminium sheet supports described first standard transducer, described second standard transducer and described 3rd standard transducer.
4., as claimed in claim 1 towards the pick-up unit of ultrasonic sensor, it is characterized in that, also comprise copper post, described copper post supports described signal processing circuit.
5. as claimed in claim 1 towards the pick-up unit of ultrasonic sensor, it is characterized in that, the standard transducer of described first standard transducer to be frequency band be 20-100K.
6. as claimed in claim 1 towards the pick-up unit of ultrasonic sensor, it is characterized in that, the standard transducer of described second standard transducer to be frequency band be 100-300K.
7. as claimed in claim 1 towards the pick-up unit of ultrasonic sensor, it is characterized in that, the standard transducer of described 3rd standard transducer to be frequency band be 300-500K.
8. the detection system towards ultrasonic sensor, it is characterized in that, comprise: the pick-up unit towards ultrasonic sensor described in ultrasonic sensor to be measured, main frame and any one of claim 1-7, described ultrasonic sensor to be measured is installed on above described piezoelectric chip, and described main frame is connected by the output terminal of described output line with described signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439560.7U CN204718634U (en) | 2015-06-25 | 2015-06-25 | A kind of pick-up unit towards ultrasonic sensor and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439560.7U CN204718634U (en) | 2015-06-25 | 2015-06-25 | A kind of pick-up unit towards ultrasonic sensor and system |
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| CN204718634U true CN204718634U (en) | 2015-10-21 |
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| CN201520439560.7U Expired - Fee Related CN204718634U (en) | 2015-06-25 | 2015-06-25 | A kind of pick-up unit towards ultrasonic sensor and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675121A (en) * | 2016-01-17 | 2016-06-15 | 中国船舶重工集团公司第七六○研究所 | Portable multifunctional acoustic beacon detection device |
| CN108776238A (en) * | 2018-07-27 | 2018-11-09 | 中科传启（苏州）科技有限公司 | Ultrasonic wind velocity indicator transducer performance degradation mode detection method |
-
2015
- 2015-06-25 CN CN201520439560.7U patent/CN204718634U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675121A (en) * | 2016-01-17 | 2016-06-15 | 中国船舶重工集团公司第七六○研究所 | Portable multifunctional acoustic beacon detection device |
| CN105675121B (en) * | 2016-01-17 | 2018-08-31 | 中国船舶重工集团公司第七六○研究所 | A kind of portable multi-function acoustic beacon detection device |
| CN108776238A (en) * | 2018-07-27 | 2018-11-09 | 中科传启（苏州）科技有限公司 | Ultrasonic wind velocity indicator transducer performance degradation mode detection method |
| CN108776238B (en) * | 2018-07-27 | 2020-08-14 | 中科传启（苏州）科技有限公司 | Ultrasonic anemometer transducer performance deterioration state detection method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20170625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |