CN2432548Y - Pressure type wave and sea level measuring storage device - Google Patents
Pressure type wave and sea level measuring storage device Download PDFInfo
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- CN2432548Y CN2432548Y CN 00228993 CN00228993U CN2432548Y CN 2432548 Y CN2432548 Y CN 2432548Y CN 00228993 CN00228993 CN 00228993 CN 00228993 U CN00228993 U CN 00228993U CN 2432548 Y CN2432548 Y CN 2432548Y
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Abstract
The utility model relates to a pressure type wave and sea level measuring storage device. The circuit structure of the pressure type wave and sea level measuring storage device comprises a quartz pressure sensor, an impedance matching circuit, a single-chip computer, a reset circuit, a data buffer, a data memory, and a power circuit. The quartz pressure sensor with high accuracy inputs electric frequency signals P converted by pressure changing signals of water column height caused by wave / sea level and induced environment temperature signals T of an internal temperature sensor into the single-chip computer to do measuring calculation and processing, and wave /sea level data are stored. Thus, the utility model can realize the measurement of high-accuracy wave /sea level and the storage of large-capacity wave /sea level data.
Description
Wave and tidal level that the utility model is applied in the pressure type ripple tide instrument are measured and data storage device.
Pressure type wave/tidal level commonly used is at present measured memory storage and is mainly adopted piezoresistive transducer and static memory to form, and its major defect is that temperature stability is poor, and the circuit complexity is difficult to satisfy high-precision wave/tidal level measurement requirement.
The purpose of this utility model is to propose a kind of wave/tidal level high-acruracy survey required pressure formula wave/tidal level measurement memory storage that satisfies, this device can improve measuring accuracy and stability effectively, and memory data output is big, circuit is simple, thereby improves the reliability that wave/tidal level is measured memory storage widely.
The purpose of this utility model is achieved by technical scheme shown in Figure 1, the circuit structure of scheme comprises: quartz pressure sensor (1), impedance matching circuit (2,3), one-chip computer (4), reset circuit (5), data buffer (6), data-carrier store (7) and power circuit, quartz pressure sensor (1) causes that with wave and tidal level the pressure variation of water colunm height is converted into electric frequency signal P, being input to one-chip computer (4) through impedance matching circuit (2) measures, the internal temperature output signal T of quartz pressure sensor (1) is input to one-chip computer through impedance matching circuit (3) and measures, force value is done the temperature correction, described reset circuit (5) is connected with one-chip computer (4), the power-on reset signal of one-chip computer is provided, described data buffer (6) and data-carrier store (7) and two-way connection of one-chip computer (4), be respectively applied for the buffer memory and the storage of wave and tidal level data, power circuit (8) provides the each several part circuit required working power.
Described quartz pressure sensor adopts high-precision quartz pressure sensor, can adopt the quartzy digital pressure sensor of 2100A type, and its precision is up to 0.01%FS, and the collecting temperature value is carried out temperature compensation simultaneously, makes its temperature stability up to 0.0008%FS.
The utility model is owing to the Flash mass storage that has adopted high-precision quartz pressure transducer and one-chip computer, saving bus, realized high-precision wave/tidal level measurement and jumbo wave/tidal level data storage, and circuit is simple, thereby has improved the reliability of device greatly.
Fig. 1 is a circuit structure block diagram of the present utility model;
Fig. 2 is a specific implementation circuit of the present utility model.
Below in conjunction with accompanying drawing specific implementation of the present utility model is described in further detail:
The high-precision quartz pressure transducer (1) that is placed in the water causes that with wave/tidal level the pressure change signal of water colunm height is converted into electric frequency signal P, its internal temperature sensor induced environment temperature, and the output signal of temperature is frequency quantity T.Said high-precision quartz pressure transducer adopts the quartzy digital pressure sensor of 2100A type.CN1 is the electric wire connecting junction of high-precision quartz pressure transducer (1), and output pressure signal P holds through T0 end and the P2EX that impedance matching circuit (2) is connected to one-chip computer (4), and said one-chip computer (4) adopts IC1 (89C52).Said impedance matching circuit (2) is made of R2, and one-chip computer is counted the pressure pulse of T0 end, thereby realizes the pressure signal measurement; The temperature output signal T of high-precision quartz pressure transducer is connected to the T1 end of one-chip computer (4) through impedance matching circuit (3), one-chip computer is counted the temperature pulse of T1 end, thereby realization temperature signal measurement, temperature value are used for the temperature correction of force value.Said impedance matching circuit (3) is made of R3.Data buffer (6) is used for the buffer memory of tidal level data, and said data buffer adopts IC3 (25F128), and its 6th pin is connected with the 24th pin of IC1, and the 5th pin is connected with the 25th pin of IC1, and the 2nd pin is connected with the 26th pin of IC1, the 27th pin of the 1st pin and IC1.
One-chip computer (4) is used for the temperature correction of force value with the temperature value that measures, and the wave pressure that simultaneously corrugated is caused changes that inverting becomes wave signal, pressure that tidal level is caused changes and is converted into tidal level and changes, and carries out the storage of wave/tidal level data then.The 2nd, 14 pin of this one-chip computer IC1 are connected to the output pressure signal P of pressure transducer (1) through impedance matching circuit (2), and the 15th pin is connected to the temperature output signal T of high-precision quartz pressure transducer (1) through impedance matching circuit (3).
Data-carrier store (7) is used for the storage of wave/tidal level data.Said data-carrier store is IC2 (KM29N32000TS), its the 18th pin is connected with the 39th pin of IC1, the 19th pin is connected with the 38th pin of IC1, the 20th pin is connected with the 37th pin of IC1, the 21st pin is connected with the 36th pin of IC1, the 24th pin is connected with the 35th pin of IC1, the 25th pin is connected with the 34th pin of IC1, the 26th pin is connected with the 33rd pin of IC1, the 27th pin is named with the 32nd of IC1 and is connected, the 4th pin is connected with the 16th pin of IC1, the 42nd pin is connected with the 17th pin of IC1, the 2nd pin is connected with the 3rd pin of IC1, the 43rd pin is connected with the 4th pin of IC1, and the 3rd pin is connected with the 5th pin of IC1, the 41st pin is connected with the 6th pin of IC1.
Reset circuit (5) produces the reset signal of one-chip computer (4) when powering on.Said reset circuit is made up of C1 and R1.The positive termination power Vcc of C1.The end that negative terminal meets R1 connects the 9th pin of IC1 simultaneously.The other end ground connection of R1.Power circuit (8) is made up of IC4, D1, D2, D3 and C2, C3.Said IC4 is MAX833.It produces required V+ of high-precision quartz pressure transducer and the required Vcc power supply of other circuit.
This device successfully is applied in the SZS3-1 type pressure type ripple tide instrument, has improved the measuring accuracy and the stream time of wave/tidal level effectively, has improved the reliability of instrument.SZS3-1 pressure type ripple tide instrument is through the metrology and measurement center test of south China country, and its expanded uncertainty is 0.02% (certificate number RYJ20006686).SZS3-1 pressure type ripple tide instrument outside Tai Pang Wan beach, the Shenzhen in Guangdong, sea area, the mouth of the Zhujiang River, off-lying sea, Shantou, off-lying sea, Lufeng, PORT OF QINHUANGDAO the experiment pond of sea area and Oceanic Technology Inst., National Bureau of Oceanology test, satisfactory for result.
Claims (2)
1. pressure type wave and tidal level are measured memory storage, it is characterized in that its circuit structure comprises quartz pressure sensor (1), impedance matching circuit (2,3), one-chip computer (4), reset circuit (5), data buffer (6), data-carrier store (7) and power circuit (8), quartz pressure sensor (1) causes that with wave and tidal level the pressure variation of water colunm height is converted into electric frequency signal P, being input to one-chip computer (4) through impedance matching circuit (2) measures, the internal temperature output signal T of quartz pressure sensor (1) is input to one-chip computer through impedance matching circuit (3) and measures, force value is done the temperature correction, described reset circuit (5) is connected with one-chip computer (4), the power-on reset signal of one-chip computer is provided, described data buffer (6) and data-carrier store (7) and two-way connection of one-chip computer (4), be respectively applied for the buffer memory and the storage of wave and tidal level data, power circuit (8) provides the each several part circuit required working power.
2. pressure type wave according to claim 1 and tidal level are measured memory storage, it is characterized in that described quartz pressure sensor (1) adopts the quartzy digital pressure sensor of 2100A type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00228993 CN2432548Y (en) | 2000-08-01 | 2000-08-01 | Pressure type wave and sea level measuring storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00228993 CN2432548Y (en) | 2000-08-01 | 2000-08-01 | Pressure type wave and sea level measuring storage device |
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| Publication Number | Publication Date |
|---|---|
| CN2432548Y true CN2432548Y (en) | 2001-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00228993 Expired - Fee Related CN2432548Y (en) | 2000-08-01 | 2000-08-01 | Pressure type wave and sea level measuring storage device |
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| CN (1) | CN2432548Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435176A (en) * | 2011-11-14 | 2012-05-02 | 上海交通大学 | Device and method for measuring response to fluctuating pressure of wind generated wave lakebed of shallow lake |
| CN105547638A (en) * | 2015-12-30 | 2016-05-04 | 中国水利水电科学研究院 | Thin layer water flow rolling wave measurement system based on pressure sensor and method thereof |
| CN105928490A (en) * | 2016-06-22 | 2016-09-07 | 广西大学 | Wireless remote measuring device for coastal flowage line elevation monitoring |
| CN110906907A (en) * | 2019-11-08 | 2020-03-24 | 中国地质调查局天津地质调查中心(华北地质科技创新中心) | High-frequency long-acting pressure type wave tide measuring instrument and wave data processing method |
-
2000
- 2000-08-01 CN CN 00228993 patent/CN2432548Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435176A (en) * | 2011-11-14 | 2012-05-02 | 上海交通大学 | Device and method for measuring response to fluctuating pressure of wind generated wave lakebed of shallow lake |
| CN102435176B (en) * | 2011-11-14 | 2013-06-19 | 上海交通大学 | Device and method for measuring response to fluctuating pressure of wind generated wave lakebed of shallow lake |
| CN105547638A (en) * | 2015-12-30 | 2016-05-04 | 中国水利水电科学研究院 | Thin layer water flow rolling wave measurement system based on pressure sensor and method thereof |
| CN105928490A (en) * | 2016-06-22 | 2016-09-07 | 广西大学 | Wireless remote measuring device for coastal flowage line elevation monitoring |
| CN110906907A (en) * | 2019-11-08 | 2020-03-24 | 中国地质调查局天津地质调查中心(华北地质科技创新中心) | High-frequency long-acting pressure type wave tide measuring instrument and wave data processing method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |