CN103759879A - Vacuole pressure data acquisition device of high-speed underwater navigation body - Google Patents
Vacuole pressure data acquisition device of high-speed underwater navigation body Download PDFInfo
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- CN103759879A CN103759879A CN201410013172.2A CN201410013172A CN103759879A CN 103759879 A CN103759879 A CN 103759879A CN 201410013172 A CN201410013172 A CN 201410013172A CN 103759879 A CN103759879 A CN 103759879A
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Abstract
The invention discloses a vacuole pressure data acquisition device of a high-speed underwater navigation body, and belongs to the field of control of navigation bodies in order to solve the problem that the motion direction of an existing underwater navigation body is difficult to control. The device comprises a pressure sensor, a signal conditioning circuit, an A/D converting circuit, a single-chip microcomputer, a Flash memory, an isolating circuit and a redundant power source; the pressure sensor is arranged on the surface of the underwater navigation body, the pressure signal output end of the pressure sensor is connected with the input end of the signal conditioning circuit; the output end of the signal conditioning circuit is connected with the analog signal input end of the A/D converting circuit; the digital signal output end of the A/D converting circuit is connected with the pressure signal input end of the single-chip microcomputer; the storage data transmission end of the single-chip microcomputer is connected with the storage data transmission end of the Flash memory.
Description
Technical field
The present invention relates to high speed underwater sailing body cavity pressure data collector, belong to sail body control field.
Background technology
The structure of high speed underwater sailing body as shown in Figure 1, comprises instrument department 1, solid propellant engine 2 in sail body, and guidance panel 3 is gone between and 4 is connected with instrument department 1 by operation; During igniting transmitting, operation lead-in wire 4 is disconnected by combustion, and sail body flies out, and guidance panel 3 and sail body need to be powered respectively.
Supercavity is a kind of physical phenomenon, after the movement velocity of object in water surpasses 185,000 ms/h, its afterbody will form unusual large-scale water vapor ditch, the part that object is contacted with water encases, the medium of object contact has just become water vapor by water, because atmospheric density only has 1/800 of water, thereby just can significantly reduce the suffered resistance of object, body surface can form large-scale air bubble, and Here it is " supercavity phenomenon ".This principle transport at first the researchist that user is USSR (Union of Soviet Socialist Republics), its under water speed can reach more than 3 times of traditional torpedo.
Supercavity technology can make the capable body of underwater high-speed aircraft obtain 90% drag reduction amount.During the navigation of sail body underwater high-speed, its surface is most of to be surrounded by gas, but sail body can clash into the surface of cavity body every now and then, destroys cavity shape, and this controls sail body is undesirable external disturbance.
The subject matter one of existing underwater sailing body is controlled motion direction difficulty, the 2nd, and bubble produces for a long time.
Summary of the invention
The present invention seeks to exist in order to solve existing underwater sailing body the problem of controlled motion direction difficulty, a kind of high speed underwater sailing body cavity pressure data collector is provided.
High speed underwater sailing body cavity pressure data collector of the present invention, it comprises pressure transducer, signal conditioning circuit, A/D change-over circuit, single-chip microcomputer, Flash storer, buffer circuit and redundant power;
Pressure transducer is arranged on the body surface of underwater sailing body, and the pressure signal output terminal of pressure transducer is connected with the input end of signal conditioning circuit;
The output terminal of signal conditioning circuit is connected with the input end of analog signal of A/D change-over circuit;
The digital signal output end of A/D change-over circuit is connected with the pressure signal input end of single-chip microcomputer;
The storage data transmission terminal of single-chip microcomputer is connected with the storage data transmission terminal of Flash storer.
Advantage of the present invention: the present invention has designed hypervelocity underwater sailing body cavity pressure data collector, measures in real time sail body cavity pressure, standby analysis and research sail body duty, the need of optimization navigation control strategy.
The maximum sample frequency of cavity pressure data acquisition system (DAS) is 7.143kHz.Under this sample frequency, system can gather the cavity pressure data of 2.1s, much larger than effective hours underway of sail body.System is simple to operate, reliable, can be applied to the collection of cavity pressure, so that better control the direction of motion of underwater sailing body.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high speed underwater sailing body that relates in background technology;
Fig. 2 is the theory diagram of high speed underwater sailing body cavity pressure data collector of the present invention.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, high speed underwater sailing body cavity pressure data collector described in present embodiment, it comprises pressure transducer 5, signal conditioning circuit 6, A/D change-over circuit 7, single-chip microcomputer 8, Flash storer 9, buffer circuit 10 and redundant power 11;
The output terminal of signal conditioning circuit 6 is connected with the input end of analog signal of A/D change-over circuit 7;
The digital signal output end of A/D change-over circuit 7 is connected with the pressure signal input end of single-chip microcomputer 8;
The storage data transmission terminal of single-chip microcomputer 8 is connected with the storage data transmission terminal of Flash storer 9.
It is the pressure transducer of NS-B that pressure transducer 5 is selected model.This pressure transducer has stainless steel encapsulation, compact conformation, and hermetically sealed mechanism, reliability is strong, stable performance, dynamic property is good, the stronger features such as antijamming capability.The inner bridge-type metering circuit that adopts of NS-B, highly sensitive, 5V DC-voltage supply, easily obtains.The pressure measurement scope of NS-B type pressure transducer is 0.5kPa-100MPa, and measurement range is large.
A/D change-over circuit 7 adopts MAX196 chip to realize.
Single-chip microcomputer 8 adopts the CMOS microcontroller that model is XC164CS to realize.XC164CS is the enhancement mode product of 16 single chip CMOS microcontroller series of Infineon.XC164CS is the C166SV2 kernel of function and performance expansion, powerful On-Chip peripheral subsystem and the perfect adaptation of on-chip memory unit, and effectively reduces system loss
[9].The high-performance of XC164CS single-chip microcomputer is embodied in: dominant frequency maximum can reach 40MHz, have 5 level production lines, efficiently on steering order collection, power management characteristic, integrated on-chip memory, external bus interface, the interrupt system of 16 grades of priority, intelligent On-Chip peripheral subsystem, sheet debugging support, nearly 79 there is the IO pin of independent bits addressing function, wider temperature range, fabulous stability and outstanding antijamming capability.
Flash storer 9 adopts the Flash storer that model is M29F102BB to realize.
Sail body flies under water, and needing power supply is whole system power supply, and present embodiment adopts 7.8V lithium battery power supply.System adopts two redundant powers, guarantees the reliability of acquisition system power supply.Design regulating circuit, is converted to system works voltage 5V by 7.8V direct current, and pressure regulation chip is chosen REG1117-5, REG117-5 is a low dropout voltage regulator, connect simply, as long as connect electric capacity at output terminal, output voltage can regulate also can export fixed value.In addition, in order controlling conveniently, to adopt a switch to control the break-make of whole system power supply, to choose the features such as relay AQW212 realizes, and AQW212 has high sensitivity, high response speed, and during open circuit, leakage current is minimum, low thermopower.
The course of work:
High speed underwater sailing body cavity pressure data collector described in present embodiment is arranged in instrument department, after underwater sailing body is in place, power on to instrument department 1, Flash storer 9 is carried out to erase operation, open the switch of breasting the tape, sail body transmitting, data acquisition startup, during sail body stop motion, open instrument department 1, take out data acquisition system (DAS), to system, power on, stir read switch, read Flash storer 9 data.
Embodiment two: present embodiment is described further embodiment one, it also comprises serial port circuit 12, single-chip microcomputer 8 carries out data communication by serial port circuit 12 and PC 13.The data that collect are sent to PC 13 by serial port circuit 12, and show on user's display interface.
Claims (9)
1. high speed underwater sailing body cavity pressure data collector, it is characterized in that, it comprises pressure transducer (5), signal conditioning circuit (6), A/D change-over circuit (7), single-chip microcomputer (8), Flash storer (9), buffer circuit (10) and redundant power (11);
Pressure transducer (5) is arranged on the body surface of underwater sailing body, and the pressure signal output terminal of pressure transducer (5) is connected with the input end of signal conditioning circuit (6);
The output terminal of signal conditioning circuit (6) is connected with the input end of analog signal of A/D change-over circuit (7);
The digital signal output end of A/D change-over circuit (7) is connected with the pressure signal input end of single-chip microcomputer (8);
The storage data transmission terminal of single-chip microcomputer (8) is connected with the storage data transmission terminal of Flash storer (9).
2. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, it also comprises serial port circuit (12), and single-chip microcomputer (8) carries out data communication by serial port circuit (12) and PC (13).
3. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, it is the pressure transducer of NS-B that pressure transducer (5) is selected model.
4. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, signal conditioning circuit (6) adopts the amplifier that model is AD623 to realize.
5. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, A/D change-over circuit (7) adopts MAX196 chip to realize.
6. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, single-chip microcomputer (8) adopts the CMOS microcontroller that model is XC164CS to realize.
7. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, Flash storer (9) adopts the Flash storer that model is M29F102BB to realize.
8. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, buffer circuit (10) adopts photo-coupler to realize.
9. high speed underwater sailing body cavity pressure data collector according to claim 1, is characterized in that, redundant power (11) comprises 7.8V lithium battery, REG117-5 low dropout voltage regulator and AQW212 relay; REG117-5 low dropout voltage regulator becomes the output of 5V direct supply by the voltage transitions of 7.8V lithium battery input, and by AQW212 relay control switch state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013172.2A CN103759879A (en) | 2014-01-09 | 2014-01-09 | Vacuole pressure data acquisition device of high-speed underwater navigation body |
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| CN201410013172.2A CN103759879A (en) | 2014-01-09 | 2014-01-09 | Vacuole pressure data acquisition device of high-speed underwater navigation body |
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| CN103759879A true CN103759879A (en) | 2014-04-30 |
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| CN201410013172.2A Pending CN103759879A (en) | 2014-01-09 | 2014-01-09 | Vacuole pressure data acquisition device of high-speed underwater navigation body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300456A (en) * | 2017-07-06 | 2017-10-27 | 中国人民解放军国防科学技术大学 | A kind of supercavity experimental rig and test method |
| CN107608241A (en) * | 2017-08-29 | 2018-01-19 | 宝鸡石油机械有限责任公司 | A kind of underwater electronic module |
Citations (6)
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| JPH01110213A (en) * | 1987-10-23 | 1989-04-26 | Citizen Watch Co Ltd | Sensor signal processor |
| JP2000028458A (en) * | 1998-07-13 | 2000-01-28 | Hitachi Ltd | Pressure detecting apparatus |
| CN1482439A (en) * | 2003-07-29 | 2004-03-17 | 范晓征 | Train tail unit wind pressure measurement controlling means |
| US20040178810A1 (en) * | 2003-03-12 | 2004-09-16 | Denso Corporation | Sensor apparatus |
| CN201285331Y (en) * | 2008-09-03 | 2009-08-05 | 伊玛精密电子（苏州）有限公司 | Pressure temperature sensor |
| CN102192999A (en) * | 2011-03-16 | 2011-09-21 | 西安交通大学 | Probe-based automatic airflow pressure and velocity measurement device |
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2014
- 2014-01-09 CN CN201410013172.2A patent/CN103759879A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01110213A (en) * | 1987-10-23 | 1989-04-26 | Citizen Watch Co Ltd | Sensor signal processor |
| JP2000028458A (en) * | 1998-07-13 | 2000-01-28 | Hitachi Ltd | Pressure detecting apparatus |
| US20040178810A1 (en) * | 2003-03-12 | 2004-09-16 | Denso Corporation | Sensor apparatus |
| CN1482439A (en) * | 2003-07-29 | 2004-03-17 | 范晓征 | Train tail unit wind pressure measurement controlling means |
| CN201285331Y (en) * | 2008-09-03 | 2009-08-05 | 伊玛精密电子（苏州）有限公司 | Pressure temperature sensor |
| CN102192999A (en) * | 2011-03-16 | 2011-09-21 | 西安交通大学 | Probe-based automatic airflow pressure and velocity measurement device |
Non-Patent Citations (1)
| Title |
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| 李颖等: "基于XC164CS 单片机的空泡压力实时监测系统", 《哈尔滨商业大学学报（自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300456A (en) * | 2017-07-06 | 2017-10-27 | 中国人民解放军国防科学技术大学 | A kind of supercavity experimental rig and test method |
| CN107608241A (en) * | 2017-08-29 | 2018-01-19 | 宝鸡石油机械有限责任公司 | A kind of underwater electronic module |
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Application publication date: 20140430 |