CN201373882Y - Water velocimeter - Google Patents
Water velocimeter Download PDFInfo
- Publication number
- CN201373882Y CN201373882Y CN200920142168U CN200920142168U CN201373882Y CN 201373882 Y CN201373882 Y CN 201373882Y CN 200920142168 U CN200920142168 U CN 200920142168U CN 200920142168 U CN200920142168 U CN 200920142168U CN 201373882 Y CN201373882 Y CN 201373882Y
- Authority
- CN
- China
- Prior art keywords
- hole
- static pressure
- conduction
- detecting device
- pressure detecting
- Prior art date
- 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
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention provides a water velocimeter. A handle is connected with a link rod and a link rod is connected with a kinematical axle, characterized in that the kinematical axle is connected with a sensor seat and the sensor seat is connected with a conduction seat and a conduction hole is opened on the lateral surface of the sensor seat and a dynamical pressure detector is mounted in the conduction hole and a static pressure hole is opened on the bottom of the sensor seat and a static pressure detector is mounted in the static pressure hole and the dynamical pressure detector and static pressure detector are respectively connected with a circuit board and a conduction port is opened on the lateral surface of the conduction seat corresponding with the conduction hole and crosses the conduction seat to form a through hole and a static pressure port is opened on the superior part of the middle of the through hole and communicated with the static pressure hole and a flange mechanism is connected on the external surface of the kinematical axle. The technology effects of the utility model are that: the pressure detection is free from water mark variance and the measurement accuracy is high, the adaptability is good and the water velocimeter is applied for measuring the velocity of the running object on any water surfaces and the signal treatment is simple and it is not necessary to establish a sophisticated model to eliminate the effect of turbulent flow.
Description
Technical field
The utility model relates to a kind of knotmeter, relates in particular to a kind of waterborne knotmeter of object with respect to water velocity that travel waterborne of measuring.
Background technology
Knotmeter waterborne is the dynamic pressure that detects the thing that travels waterborne by the differential pressure mode, is converted into rate signal according to specific model again.In order to realize the detection of dynamic pressure, instrument need detect head-on pressure P 1 that contains static pressure and the static pressure P2 that is produced by the depth of water, both is subtracted each other again, and static pressure is offset.But in the process of moving because the variation of water wave, often have the additonal pressure that eddy current etc. produces among the P2, make that static pressure and the P2 among the P1 is inconsistent, thereby cause the loss of measuring accuracy, and existing technology is failed head it off effectively.
Summary of the invention
The purpose of this utility model is to provide a kind of knotmeter waterborne, this knotmeter measuring accuracy height, and stable performance is not subjected to the influence of water turbulence.
The utility model is achieved like this, it comprises handle, connecting rod, kinematic axis, sensor holder, the drainage seat, the dynamic pressure detecting device, the static pressure detecting device, circuit board, flange mechanism, handle connects connecting rod, connecting rod connects kinematic axis, it is characterized in that kinematic axis connects sensor holder, sensor holder connects the drainage seat, the sensor holder side has conduction hole, the dynamic pressure detecting device is installed in the conduction hole, the sensor holder bottom has baroport, the static pressure detecting device is installed in the baroport, dynamic pressure detecting device and static pressure detecting device be the connecting circuit plate respectively, and the side of drainage seat and conduction hole opposite position have draining hole, and draining hole crosses the drainage seat and forms through hole, the middle-end top of through hole has static port and communicates with baroport, kinematic axis outside surface joint flange mechanism.
Technique effect of the present utility model is: the influence that the detection of pressure is not changed by water wave, measuring accuracy height; Adaptability is good, can be applicable to any water surface thing that travels and measures speed through water; Signal Processing is simple, need not set up the influence that complex model is eliminated turbulent flow.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Handle 2, connecting rod 3, kinematic axis 4, sensor holder 5, drainage seat 6, conduction hole 7, dynamic pressure detecting device 8, baroport 9, static pressure detecting device 10, circuit board 11, draining hole 12, static port 13, flange mechanism in the drawings, 1,
Embodiment
As shown in Figure 1, the utility model is achieved like this, it comprises handle 1, connecting rod 2, kinematic axis 3, sensor holder 4, drainage seat 5, conduction hole 6, dynamic pressure detecting device 7, baroport 8, static pressure detecting device 9, circuit board 10, draining hole 11, static port 12, flange mechanism 13, handle 1 connects connecting rod 2, connecting rod 2 connects kinematic axis 3, it is characterized in that kinematic axis 3 connects sensor holder 4, sensor holder 4 connects drainage seat 5, sensor holder 4 sides have conduction hole 6, dynamic pressure detecting device 7 is installed in the conduction hole 6, sensor holder 4 bottoms have baroport 8, static pressure detecting device 9 is installed in the baroport 8, dynamic pressure detecting device 7 and static pressure detecting device 9 be connecting circuit plate 10 respectively, the side of drainage seat 5 and conduction hole 6 opposite positions have draining hole 11, draining hole 11 crosses drainage seat 5 and forms through hole, and the middle-end top of through hole has static port 12 and communicates with baroport 8, kinematic axis 3 outside surface joint flange mechanisms 13.When travelling, the water wave of instrument periphery is destroyed, and produces a lot of unnecessary bubble and vortexs (turbulent flow), when not adding drainage seat 5, the bubble and the vortex that are in sensor holder 4 bottoms and back are directly given static pressure detecting device 9 by baroport 8 conduction, introduce measuring error.When adding drainage seat 5, the turbulent flow of bottom and rear side shape can't be by baroport 8 conduction, therefore 9 reflections of static pressure detecting device is the true static pressure that the depth of water produces, thereby improved the accuracy of apparatus measures, simultaneously because detecting device no longer is subjected to the interference of turbulent flow, thereby this instrument can be adapted to the occasion of various water waves, improved the adaptation part of instrument.
Claims (1)
1, a kind of knotmeter waterborne, it comprises handle, connecting rod, kinematic axis, sensor holder, the drainage seat, the dynamic pressure detecting device, the static pressure detecting device, circuit board, flange mechanism, handle connects connecting rod, connecting rod connects kinematic axis, it is characterized in that kinematic axis connects sensor holder, sensor holder connects the drainage seat, the sensor holder side has conduction hole, the dynamic pressure detecting device is installed in the conduction hole, the sensor holder bottom has baroport, the static pressure detecting device is installed in the baroport, dynamic pressure detecting device and static pressure detecting device be the connecting circuit plate respectively, and the side of drainage seat and conduction hole opposite position have draining hole, and draining hole crosses the drainage seat and forms through hole, the middle-end top of through hole has static port and communicates with baroport, kinematic axis outside surface joint flange mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142168U CN201373882Y (en) | 2009-03-30 | 2009-03-30 | Water velocimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142168U CN201373882Y (en) | 2009-03-30 | 2009-03-30 | Water velocimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373882Y true CN201373882Y (en) | 2009-12-30 |
Family
ID=41499967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920142168U Expired - Fee Related CN201373882Y (en) | 2009-03-30 | 2009-03-30 | Water velocimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201373882Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893644A (en) * | 2010-06-23 | 2010-11-24 | 江西省智成测控技术研究所有限责任公司 | Extraction method and extraction device of static pressure of differential pressure type navigational speed measuring instrument |
| CN109541255A (en) * | 2018-11-29 | 2019-03-29 | 中国船舶重工集团公司第七0七研究所九江分部 | A kind of integrated impulse formula water speed sensor to test the speed for amphibious vehicle to water |
| CN112904044A (en) * | 2021-01-30 | 2021-06-04 | 安徽大学 | Mechanical structure of water flow speed sensor |
-
2009
- 2009-03-30 CN CN200920142168U patent/CN201373882Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893644A (en) * | 2010-06-23 | 2010-11-24 | 江西省智成测控技术研究所有限责任公司 | Extraction method and extraction device of static pressure of differential pressure type navigational speed measuring instrument |
| CN109541255A (en) * | 2018-11-29 | 2019-03-29 | 中国船舶重工集团公司第七0七研究所九江分部 | A kind of integrated impulse formula water speed sensor to test the speed for amphibious vehicle to water |
| CN109541255B (en) * | 2018-11-29 | 2021-01-08 | 中国船舶重工集团公司第七0七研究所九江分部 | Integrated pressure-guiding type water speed sensor for speed measurement of amphibious vehicle on water |
| CN112904044A (en) * | 2021-01-30 | 2021-06-04 | 安徽大学 | Mechanical structure of water flow speed sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201373882Y (en) | Water velocimeter | |
| CN107860430B (en) | Time difference measurement method of ultrasonic gas flowmeter based on time difference method | |
| CN103091070B (en) | Tester for parameter of flow field of gas static pressure restrictor | |
| CN110441547A (en) | A kind of flow rate of water flow measurement method | |
| CN110375813A (en) | Integrated sensor for measuring fluid temperature and vortex frequency and measuring method | |
| CN102261935A (en) | Diaphragm capsule type double-probe vortex shedding flow meter | |
| CN201945603U (en) | Ultrasonic aerovane | |
| CN201716324U (en) | Static pressure extraction device of differential pressure type marine speedometer | |
| CN206269861U (en) | A kind of shock type vortex street flowmeter sensor | |
| CN203132949U (en) | On-line densimeter | |
| CN201229323Y (en) | Ultrasonic inspection probe device | |
| CN108109394A (en) | Single earth magnetism vehicular traffic parameter detecting system and method based on vector model | |
| CN108180955A (en) | A kind of curved coriolis mass flowmeters of ultra micro | |
| CN101893644A (en) | Extraction method and extraction device of static pressure of differential pressure type navigational speed measuring instrument | |
| RU2672815C1 (en) | Measuring flow in ultrasound | |
| CN101191737A (en) | Tube flow gauge | |
| CN208223564U (en) | A kind of dual occurrence body redundant measurement vortex-shedding meter | |
| CN205483096U (en) | Vortex flowmeter of two -way measurement | |
| CN201255677Y (en) | Air fluid pressure sensor | |
| CN205506134U (en) | Intelligent electromagnetic flowmeter | |
| CN201803748U (en) | Jet flow sensor | |
| CN220230974U (en) | Locomotive cooling wind speed monitoring sensor | |
| CN209945432U (en) | Positive and negative differential pressure flowmeter | |
| CN109541255A (en) | A kind of integrated impulse formula water speed sensor to test the speed for amphibious vehicle to water | |
| CN212030640U (en) | Vortex street flowmeter with double sensors and double signal processors |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20180330 |