CN205664929U - Level sensor automatic correcting device vows in pond - Google Patents
Level sensor automatic correcting device vows in pond Download PDFInfo
- Publication number
- CN205664929U CN205664929U CN201620530416.9U CN201620530416U CN205664929U CN 205664929 U CN205664929 U CN 205664929U CN 201620530416 U CN201620530416 U CN 201620530416U CN 205664929 U CN205664929 U CN 205664929U
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- China
- Prior art keywords
- pond
- level sensor
- vector sensor
- signal generator
- sound pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model provides a level sensor automatic correcting device vows in pond, includes signal generator, its characterized in that: the wave form of the certain frequency of signal generator production enters into transmitting transducer's input after the transmitting circuit amplifier amplifies, transmitting transducer places on the rotary hoisting device in pond, await measuring and vow the rotary hoisting device who fixes in the pond level sensor upper end, the lower extreme links to each other with the standard sound pressure hydrophone, await measuring and vow that level sensor and standard sound pressure hydrophone enter into respective relay through preamplifier respectively, control that the connected state of relay received the singlechip respectively with the voltmeter, automatic level recorder connects. This level sensor automatic correcting device vows in pond can realize arrow level sensor self -calibration in the pond to calibrating device stability is strong, and automatic competent, this device has certain practicality.
Description
Technical field
This utility model relates to mechanics field of measuring techniques, automatically calibrates particularly to vector sensor in a kind of pond
Device.
Background technology
Vector sensor is the sensor of a kind of specific type being different from tradition hydrophone, based on vector sensor
The noise measurement system of composition can effectively solve the measurement of low frequency weak signal, but there is no the school of vector sensor in pond at present
Standard apparatus, therefore the quality of vector sensor state is also constantly in blind area state, in order to ensure accurately may be used of vector sensor
Leaning on, the research of vector sensor collimation technique is increasingly paid close attention to by relevant research worker, it is necessary to solve current China as early as possible
The practical challenges of vector sensor periodic calibration in pond.
Summary of the invention
The purpose of this utility model is in order to solve the practical problem of above-mentioned existence, and spy provides vector sensing in a kind of pond
Device self-checking device.
This utility model provides vector sensor self-checking device in a kind of pond, including signal generator, transmitting
Circuit amplifier, transmitting transducer, pond, revolution lifting device, vector sensor to be measured, standard sound pressure hydrophone, voltmeter,
Automatic electric-level monitor, preamplifier, relay and single-chip microcomputer, it is characterised in that: signal generator produces certain frequency
The emitted circuit amplifier of waveform is amplified into the input of transmitting transducer, and transmitting transducer is placed on the revolution in pond
On lifting device, vector sensor upper end to be measured is fixed on the revolution lifting device in pond, lower end and standard sound pressure hydrophone phase
Even, vector sensor to be measured and standard sound pressure hydrophone enter into respective relay through preamplifier respectively, relay
Connected state is connected with voltmeter, automatic electric-level monitor respectively by the control of single-chip microcomputer.
Further, also including that oscillograph, described oscillograph are connected with signal generator, oscillograph is monitored signal in real time and is sent out
The voltage of raw device and frequency.
Further, described transmitting transducer is identical with vector sensor height in pond, is highly pond deep
The half of degree.
Advantage of the present utility model: in this pond, vector sensor self-checking device is capable of vector sensing in pond
Device is calibrated automatically, and calibrating installation stability is strong, and automatization level is high, and this device has certain practicality.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and this utility model is described in further detail by embodiment.
Fig. 1 is vector sensor self-checking device theory structure schematic diagram in pond.
Detailed description of the invention
Before measuring, reply vector sensor carries out surface process so that it is the fluctuating of receiving sensitivity, within 1dB, uses
The alcohol water blend of 40%, after being soaked 1 minute by vector sensor, then rinses well with water, is finally putting in pond 4.Vector
After sensor fully soaks several hours in pond 4, then start calibration measurement.
Vector sensor self-checking device in pond, including signal generator 1, radiating circuit amplifier 2, launches transducing
Device 3, pond 4, revolution lifting device 5, vector sensor to be measured 6, standard sound pressure hydrophone 7, voltmeter 8, automatic electric-level record
Instrument 9, preamplifier 10, relay 11 and single-chip microcomputer 12, wherein: the waveform that signal generator 1 produces certain frequency is emitted
Circuit amplifier 2 is amplified into the input of transmitting transducer 3, and transmitting transducer 3 is placed on the revolution in pond 4 and promotes dress
Putting on 5, vector sensor 6 upper end to be measured is fixed on revolution lifting device 5, and lower end is connected with standard sound pressure hydrophone 7, and transmitting is changed
Energy device 3 is identical with the vector sensor 6 height in pond 4, is highly the half of the pond degree of depth.Vector sensor 6 to be measured
Entering into respective relay 11 through preamplifier 10 respectively with standard sound pressure hydrophone 7, the connected state of relay 11 is subject to
The control of single-chip microcomputer 12 connects respectively at voltmeter 8, automatic electric-level monitor 9.Single-chip microcomputer 12 controls relay 11
Table 8 connects, or is connected with automatic electric-level monitor 9, when being connected with voltmeter 8, and vector sensor 6 to be measured and standard sound pressure
The output voltage of hydrophone 7 compares, it is achieved thereby that the calibration of vector sensor sensitivity.When with automatic electric-level monitor
9 connect time, vector sensor 6 to be measured along with revolution lifting device 5 rotation time, measure to be measured with automatic electric-level monitor 9
The output signal of vector sensor 6 and the anglec of rotation of revolution lifting device 5, it is achieved thereby that the school of vector sensor directivity
Accurate, it is achieved that Automated condtrol and calibration.
In pond, vector sensor self-checking device also includes that oscillograph, oscillograph are connected with signal generator 1, oscillography
Voltage and the frequency of signal generator 1 monitored in real time by device, it is ensured that the output of signal generator 1 is reliable and stable, further ensures
Calibration accuracy.
It is understood that above with respect to specific descriptions of the present utility model, be merely to illustrate this utility model and not
It is limited to the technical scheme described by this utility model embodiment, it will be understood by those within the art that, the most permissible
This utility model is modified or equivalent, to reach identical technique effect；Needs are used, all in this reality as long as meeting
Within novel protection domain.
Claims (3)
1. a vector sensor self-checking device in pond, including signal generator, radiating circuit amplifier, launches transducing
Device, pond, revolution lifting device, vector sensor to be measured, standard sound pressure hydrophone, voltmeter, automatic electric-level monitor, preposition
Amplifier, relay and single-chip microcomputer, it is characterised in that: signal generator produces the emitted circuit amplifier of waveform of certain frequency
Being amplified into the input of transmitting transducer, transmitting transducer is placed on the revolution lifting device in pond, vector to be measured
Sensor upper end is fixed on the revolution lifting device in pond, and lower end is connected with standard sound pressure hydrophone, vector sensor to be measured and
Standard sound pressure hydrophone enters into respective relay through preamplifier respectively, and the connected state of relay is controlled by single-chip microcomputer
System is connected with voltmeter, automatic electric-level monitor respectively.
2. according to vector sensor self-checking device in pond described in claim 1, it is characterised in that: also include oscillograph,
Described oscillograph is connected with signal generator, and voltage and the frequency of signal generator monitored in real time by oscillograph.
3. according to vector sensor self-checking device in pond described in claim 1, it is characterised in that: described transmitting transducer
Identical with vector sensor height in pond, highly it is the half of the pond degree of depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620530416.9U CN205664929U (en) | 2016-06-03 | 2016-06-03 | Level sensor automatic correcting device vows in pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620530416.9U CN205664929U (en) | 2016-06-03 | 2016-06-03 | Level sensor automatic correcting device vows in pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205664929U true CN205664929U (en) | 2016-10-26 |
Family
ID=57158596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620530416.9U Expired - Fee Related CN205664929U (en) | 2016-06-03 | 2016-06-03 | Level sensor automatic correcting device vows in pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205664929U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655563A (en) * | 2017-08-07 | 2018-02-02 | 国家电网公司 | A kind of test device and method of sonic transducer low frequency sensitivity |
| CN111412974A (en) * | 2020-05-07 | 2020-07-14 | 中国船舶重工集团公司第七一五研究所 | System and method for calibrating co-vibration vector sensor |
| CN112964349A (en) * | 2020-12-03 | 2021-06-15 | 中国船舶重工集团公司第七一五研究所 | Noise measurement hydrophone sensitivity absolute calibration device and method |
| CN112964350A (en) * | 2020-12-03 | 2021-06-15 | 中国船舶重工集团公司第七一五研究所 | Method and system for absolute calibration of complex sensitivity of rotary hydrophone based on circular guide rail |
-
2016
- 2016-06-03 CN CN201620530416.9U patent/CN205664929U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655563A (en) * | 2017-08-07 | 2018-02-02 | 国家电网公司 | A kind of test device and method of sonic transducer low frequency sensitivity |
| CN107655563B (en) * | 2017-08-07 | 2019-11-26 | 国家电网公司 | A kind of test device and method of sonic transducer low frequency sensitivity |
| CN111412974A (en) * | 2020-05-07 | 2020-07-14 | 中国船舶重工集团公司第七一五研究所 | System and method for calibrating co-vibration vector sensor |
| CN111412974B (en) * | 2020-05-07 | 2021-11-09 | 中国船舶重工集团公司第七一五研究所 | System and method for calibrating co-vibration vector sensor |
| CN112964349A (en) * | 2020-12-03 | 2021-06-15 | 中国船舶重工集团公司第七一五研究所 | Noise measurement hydrophone sensitivity absolute calibration device and method |
| CN112964350A (en) * | 2020-12-03 | 2021-06-15 | 中国船舶重工集团公司第七一五研究所 | Method and system for absolute calibration of complex sensitivity of rotary hydrophone based on circular guide rail |
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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: 20161026 Termination date: 20170603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |