CN204165647U - A kind of ultrasonic sensor calibration equipment - Google Patents
A kind of ultrasonic sensor calibration equipment Download PDFInfo
- Publication number
- CN204165647U CN204165647U CN201420654124.7U CN201420654124U CN204165647U CN 204165647 U CN204165647 U CN 204165647U CN 201420654124 U CN201420654124 U CN 201420654124U CN 204165647 U CN204165647 U CN 204165647U
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- pressure transducer
- ultrasonic sensor
- ultrasound wave
- standard ultrasound
- shell
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Abstract
The utility model discloses a kind of ultrasonic sensor calibration equipment, comprise motor, pressure transducer, ultrasonic sensor to be verified, standard ultrasound wave sensor, shell, BNC head and fixed arm, motor is connected with pressure transducer by turning axle; Piezoelectric vibrator is provided with between ultrasonic sensor to be verified and standard ultrasound wave sensor; Pressure transducer, to be connected by BNC head between piezoelectric vibrator and standard ultrasound wave sensor; Spring is provided with between standard ultrasound wave sensor and pressure transducer; Motor is connected with shell by described fixed arm; Top acoustic absorbant is filled with between piezoelectric vibrator and shell.The beneficial effects of the utility model are as follows: precision is high, strong interference immunity, easy to use.
Description
Technical field
The utility model relates to ultrasonic unit technical field, is specifically related to a kind of ultrasonic sensor calibration equipment.
Background technology
Ultrasound wave is a kind of frequency higher than the sound wave of 20,000 hertz, its good directionality, and penetration capacity is strong, is easy to obtain the acoustic energy comparatively concentrated, and in water transmission distance, can be used for finding range, tests the speed, cleans, welds, rubble, sterilizing etc.Along with the development of society and the progress of science and technology, ultrasound wave is gradually in the every field extensive application of our daily life.Ultrasonic sensor is the sensing utilizing hyperacoustic characteristic to develop.At present, to the evaluation criteria of the still ununified detection check method of ultrasonic sensor and combination property.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of precision is high, strong interference immunity, ultrasonic sensor calibration equipment easy to use.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of ultrasonic sensor calibration equipment, comprise motor, pressure transducer, ultrasonic sensor to be verified, standard ultrasound wave sensor, shell, BNC head and fixed arm, described motor is connected with described pressure transducer by turning axle; Piezoelectric vibrator is provided with between described ultrasonic sensor to be verified and standard ultrasound wave sensor; Described pressure transducer, to be connected by described BNC head between piezoelectric vibrator and standard ultrasound wave sensor; Spring is provided with between described standard ultrasound wave sensor and described pressure transducer; Described motor is connected with described shell by described fixed arm; Top acoustic absorbant is filled with between described piezoelectric vibrator and described shell.
As preferably, the respective face of the described pressure transducer contacted with described ultrasonic sensor to be verified is provided with silicon rubber.
As preferably, described standard ultrasound wave sensor, spring, between pressure transducer and described shell, be filled with bottom acoustic absorbant.
As preferably, described top acoustic absorbant and bottom acoustic absorbant are low density foam material.
The utility model adopts standard ultrasound wave sensor as a part for closed-loop control, piezoelectric vibrator produces the signal of a characteristic frequency by the signal that external circuit is given, standard ultrasound wave sensor is demarcated this signal, makes this signal become a controlled amount.
The beneficial effect adopting technique scheme to produce is as follows:
By between piezoelectric vibrator and shell and standard ultrasound wave sensor, spring, fill top acoustic absorbant and bottom acoustic absorbant between pressure transducer and shell respectively, enhance the interference free performance of device, further increase the precision of whole calibration equipment.
The utility model has that precision is high, strong interference immunity, advantage easy to use.
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, 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, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the one-piece construction schematic diagram of ultrasonic sensor calibration equipment described in the utility model;
Wherein, 1, motor, 2, rotating shaft, 3, pressure transducer, 4, silicon rubber, 5, ultrasonic sensor to be verified, 6, piezoelectric vibrator, 7, standard ultrasound wave sensor, 8, spring, 9, top acoustic absorbant, 10, shell, 11, bottom acoustic absorbant, 12, BNC head, 13, fixed arm.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, 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.
Embodiment is as shown in Figure 1 known, a kind of ultrasonic sensor calibration equipment described in the utility model, comprise motor 1, pressure transducer 3, ultrasonic sensor to be verified 5, standard ultrasound wave sensor 7, shell 10, BNC 12 and fixed arm 13, motor 1 is connected with pressure transducer 3 by turning axle 2; Piezoelectric vibrator 6 is provided with between ultrasonic sensor 5 to be verified and standard ultrasound wave sensor 7; Pressure transducer 3, to be connected by BNC 12 between piezoelectric vibrator 6 and standard ultrasound wave sensor 7; Spring 8 is provided with between standard ultrasound wave sensor 7 and pressure transducer 3; Motor 1 is connected with shell 10 by fixed arm 13; Top acoustic absorbant 9 is filled with between piezoelectric vibrator 6 and shell 10.
The respective face of the pressure transducer 3 contacted with ultrasonic sensor 5 to be verified is provided with silicon rubber 4.Can prevent excessive compression from causing damage to pressure transducer 3 like this.
Above-mentioned standard ultrasound wave sensor 7, spring 8, be filled with between pressure transducer 3 and shell 10 bottom acoustic absorbant 11.Top acoustic absorbant 9 and bottom acoustic absorbant 11 are low density foam material, for filtering because shell 10 shakes the noise jamming produced.
Above-mentioned ultrasonic sensor calibration equipment adopts standard ultrasound wave sensor 7 as a part for closed-loop control, piezoelectric vibrator 6 produces the signal of a characteristic frequency by the signal that external circuit is given, standard ultrasound wave sensor 7 is demarcated this signal, makes this signal become a controlled amount.
By between piezoelectric vibrator and shell and standard ultrasound wave sensor, spring, fill top acoustic absorbant and bottom acoustic absorbant between pressure transducer and shell respectively, enhance the interference free performance of device, further increase the precision of whole calibration equipment.
In sum, the utility model has that precision is high, strong interference immunity, advantage easy to use.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a ultrasonic sensor calibration equipment, it is characterized in that, comprise motor (1), pressure transducer (3), ultrasonic sensor to be verified (5), standard ultrasound wave sensor (7), shell (10), BNC head (12) and fixed arm (13), described motor (1) is connected with described pressure transducer (3) by turning axle (2); Piezoelectric vibrator (6) is provided with between described ultrasonic sensor to be verified (5) and standard ultrasound wave sensor (7); Described pressure transducer (3), to be connected by described BNC head (12) between piezoelectric vibrator (6) and standard ultrasound wave sensor (7); Spring (8) is provided with between described standard ultrasound wave sensor (7) and described pressure transducer (3); Described motor (1) is connected with described shell (10) by described fixed arm (13); Top acoustic absorbant (9) is filled with between described piezoelectric vibrator (6) and described shell (10).
2. a kind of ultrasonic sensor calibration equipment according to claim 1, it is characterized in that, the respective face of the described pressure transducer (3) contacted with described ultrasonic sensor to be verified (5) is provided with silicon rubber (4).
3. a kind of ultrasonic sensor calibration equipment according to claim 1, it is characterized in that, described standard ultrasound wave sensor (7), spring (8), be filled with between pressure transducer (3) and described shell (10) bottom acoustic absorbant (11).
4. a kind of ultrasonic sensor calibration equipment according to claim 3, is characterized in that, described top acoustic absorbant (9) and bottom acoustic absorbant (11) are low density foam material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654124.7U CN204165647U (en) | 2014-11-05 | 2014-11-05 | A kind of ultrasonic sensor calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654124.7U CN204165647U (en) | 2014-11-05 | 2014-11-05 | A kind of ultrasonic sensor calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204165647U true CN204165647U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420654124.7U Expired - Fee Related CN204165647U (en) | 2014-11-05 | 2014-11-05 | A kind of ultrasonic sensor calibration equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN204165647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-11-05 CN CN201420654124.7U patent/CN204165647U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|---|---|
| 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: 20150218 Termination date: 20151105 |
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| EXPY | Termination of patent right or utility model |