CN201173933Y - Non-contact type revolution speed transducer - Google Patents
Non-contact type revolution speed transducer Download PDFInfo
- Publication number
- CN201173933Y CN201173933Y CN 200820052813 CN200820052813U CN201173933Y CN 201173933 Y CN201173933 Y CN 201173933Y CN 200820052813 CN200820052813 CN 200820052813 CN 200820052813 U CN200820052813 U CN 200820052813U CN 201173933 Y CN201173933 Y CN 201173933Y
- Authority
- CN
- China
- Prior art keywords
- contact type
- tongue tube
- sensor according
- type tachometric
- pressure hull
- 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
Images
Abstract
The utility model discloses a non-contact revolution speed transducer. The device is provided with a shell made of nonmagnetic material and having magnetic conductivity, a reed switch is sealed at the front end of the shell and is connected with a sensor signal output cable through a reed switch connecting wire, and 1-N permanent magnets for controlling the on-off of a reed switch circuit are fixed on the surface of a rotating shaft of the electromechanical device to be measured. The utility model discloses simple structure is reliable, low cost, does not influence the motion of measurand axis of rotation, can measure various electromechanical device rotating part's rotational speed, especially can use, be used for measuring deep sea electromechanical device rotating part's rotational speed under the deep sea environment.
Description
Technical field
The utility model relates to a kind of non-contact type tachometric sensor of measuring various electromechanical equipment rotatable parts rotating speeds, especially is fit to measure the non-contact type tachometric sensor of deep-sea electromechanical equipment rotatable parts rotating speed.
Background technology
More existing speed probes in prior art, as 200310108098.4 disclosed a kind of nanometer magnetosensitive speed probes, it is mainly used in wheel machinery and equipment, motor, especially automotive wheel revolution speed sensing and detection.These speed probes can only be applicable to land; and can not in the environment of deep-sea high pressure high conductivity seawater, directly use; and the structure that has is complicated; cost is higher; and various deep-seas electromechanical equipment often needs to adopt speed probe to measure the rotating speed of rotational components as Underwater Engineering equipment, submarine, underwater sampling device, underwater operation station etc.In prior art, also do not have both rotating speeds of the various electromechanical equipment rotatable parts of energy measurement, especially be fit to the report of the non-contact type tachometric sensor of measurement deep-sea electromechanical equipment rotatable parts rotating speed.
The utility model content
The purpose of this utility model is to provide another kind of non-contact type tachometric sensor.Make its both rotating speed of the various electromechanical equipment rotatable parts of energy measurement, especially be fit to measure the rotating speed of deep-sea electromechanical equipment rotatable parts.
The technical solution of the utility model is: be provided with a nonmagnetic substance housing with magnetic conductivity, be packaged with a tongue tube at the housing front end, tongue tube is connected with the sensor signal output cable by the tongue tube connecting line, is fixed with the permanent magnet of 1-N control reed switch circuit break-make on the rotation axis surface of measured electromechanical equipment.
Be provided with signal pre-processing circuit between described tongue tube connecting line and the sensor signal output cable, after the switching signal pre-service with tongue tube, direct again outputting standard analog or digital signal.Described signal pre-processing circuit is a prior art.
Described tongue tube connecting line is connected with the deep-sea watertight socket of band O-ring seal, has the deep-sea watertight plug that adapts with the deep-sea watertight socket on the described sensor signal output cable.Described deep-sea watertight socket and deep-sea watertight plug all are the prior arts in the electromechanical equipment of existing deep-sea.
Described housing be for can bearing the pressure hull of seawater pressure, and pressure hull is assembled by two or two above parts, and part of front end is the withstand voltage dry spring canister of encapsulation tongue tube, and each part junction is provided with O-ring seal.
Described pressure hull shell wall thickness is 1-10mm, the size of main and pressure hull sea water advanced different and different according to difference, when guaranteeing that external magnet is close, its magnetic field energy sees through pressure hull and acts on the magnetic dry-reed pipe, can resist the pressure of outside seawater again.
Described nonmagnetic substance with magnetic conductivity is metal or its alloy or nonmetallic materials such as stainless steel, titanium, copper, aluminium, magnesium.
Advantage of the present utility model: simple and reliable for structure, with low cost; do not influence the motion of measured rotation axis, both rotating speeds of the various electromechanical equipment rotatable parts of energy measurement; especially can under deep-marine-environment, use, be used to measure the rotating speed of deep-sea electromechanical equipment rotatable parts.
Description of drawings
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representations;
Fig. 3 is embodiment 3 structural representations.
Among the figure: 1 is measured rotation axis, and 2 is permanent magnet, and 3 is tongue tube, 4 is housing, and 5 is socket, and 6 is the tongue tube connecting line, 7 is O-ring seal, 8 is the sensor signal output cable, and 9 is switching frequency measuring system circuit, and 10 is signal pre-processing circuit, 11 is dry spring canister, 12 is magnetic receiver, and 13 is fixed support, and 14 is locknut
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1: the rotating speed that is used to measure common electromechanical equipment rotatable parts
In conjunction with the accompanying drawings 1:
On the circumferential surface of the rotation axis 1 same axial location of measured electromechanical equipment, evenly be fixed with 4 blocks of permanent magnets 2, tongue tube 3 is encapsulated in the front end that shell wall thickness is the rigid plastic housing 4 of 1mm, tongue tube is connected with socket 5 by tongue tube connecting line 6, socket 5 is connected with sensor signal output cable 8, and the sensor signal output cable is connected with switching frequency TT﹠C system circuit 9 in the prior art.Because when the rotation of measured turning axle 1 makes permanent magnet 2 near magnetic dry-reed pipe 3, magnetic dry-reed pipe 3 will be experienced the effect in magnetic field and closure; When permanent magnet left magnetic dry-reed pipe 3, the magnetic dry-reed pipe recovered open-circuit condition.By the switching frequency of circuit measuring magnetic dry-reed pipe, can obtain the rotating speed of measured turning axle.
Embodiment 2:
In conjunction with the accompanying drawings 2: as different from Example 1: tongue tube connecting line 6 is connected with socket 5 with after signal pre-processing circuit 10 in the prior art is connected again.
Embodiment 3: the rotating speed that is used for measuring the deep sea drill core sampling borer drill rod.
In conjunction with the accompanying drawings 3:
As different from Example 1: housing is made of several withstand voltage parts, encapsulation tongue tube 3 constitutes withstand voltage dry spring canister 11 in part of front end, withstand voltage dry spring canister is cylindrical, the cylindrical tail end of withstand voltage dry spring canister inserts in the hole of pressure hull 4 front portions, and by O-ring seal 7 sealings, withstand voltage dry spring canister 11 and pressure hull 4 are locked by locknut 14 again.Each part junction is provided with O-ring seal 7.Tongue tube connecting line 6 is connected with the deep-sea watertight socket 5 of band O-ring seal 7, has the weather proof receptacle that adapts with the deep-sea watertight socket on the sensor signal output cable 8.
Sensor is fixed on the frame of deep sea drill core sampling rig by support 13.On the circumferential surface of the drilling rod 1 same axial location of rig, four blocks of magnet 3 are fixed by magnetic receiver 12.When deep sea drill core sampling borer drill rod 1 rotation, at permanent magnet 2 during near magnetic dry-reed pipe 3, magnetic dry-reed pipe 3 will be experienced the effect in magnetic field and closure; When permanent magnet left magnetic dry-reed pipe 3, the magnetic dry-reed pipe recovered open-circuit condition.By the switching frequency of the 9 measurement tongue tubes of the switching frequency measuring system circuit in the prior art, can obtain the rotating speed of deep sea drill core sampling rig.
Claims (6)
1. non-contact type tachometric sensor, it is characterized in that, be provided with a nonmagnetic substance housing with magnetic conductivity, be packaged with a tongue tube at the housing front end, tongue tube is connected with the sensor signal output cable by the tongue tube connecting line, is fixed with the permanent magnet of 1-N control reed switch circuit break-make on measured electromechanical equipment rotation axis surface.
2. non-contact type tachometric sensor according to claim 1 is characterized in that, is provided with signal pre-processing circuit between described tongue tube connecting line and the sensor signal output cable.
3. non-contact type tachometric sensor according to claim 1 and 2 is characterized in that, two pole orientation of described permanent magnet are perpendicular to the rotation axis surface.
4. non-contact type tachometric sensor according to claim 1 and 2, it is characterized in that, described housing is for bearing the pressure hull of seawater pressure, pressure hull is to be assembled by two or two above parts, part of front end is the withstand voltage dry spring canister of encapsulation tongue tube, and each part junction is provided with O-ring seal.
5. non-contact type tachometric sensor according to claim 4 is characterized in that, described pressure hull shell wall thickness is 1-10mm.
6. non-contact type tachometric sensor according to claim 4 is characterized in that, is provided with O-ring seal between described pressure hull and the deep-sea watertight socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820052813 CN201173933Y (en) | 2008-04-09 | 2008-04-09 | Non-contact type revolution speed transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820052813 CN201173933Y (en) | 2008-04-09 | 2008-04-09 | Non-contact type revolution speed transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173933Y true CN201173933Y (en) | 2008-12-31 |
Family
ID=40201061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820052813 Expired - Fee Related CN201173933Y (en) | 2008-04-09 | 2008-04-09 | Non-contact type revolution speed transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173933Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795294A (en) * | 2012-07-28 | 2012-11-28 | 成都宽和科技有限责任公司 | Rotating disk type sensing element with uniform distribution of multiple magnetic blocks |
| CN102826176A (en) * | 2012-07-28 | 2012-12-19 | 成都宽和科技有限责任公司 | Turntable sensing element with adjustable magnetic fluxes of magnetic blocks and points |
-
2008
- 2008-04-09 CN CN 200820052813 patent/CN201173933Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795294A (en) * | 2012-07-28 | 2012-11-28 | 成都宽和科技有限责任公司 | Rotating disk type sensing element with uniform distribution of multiple magnetic blocks |
| CN102826176A (en) * | 2012-07-28 | 2012-12-19 | 成都宽和科技有限责任公司 | Turntable sensing element with adjustable magnetic fluxes of magnetic blocks and points |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105620708B (en) | A kind of underwater electric steering wheel and rudder angle detection method | |
| CN101256196A (en) | Non-contact type revolution speed transducer | |
| CN201858958U (en) | Stay wire displacement sensor for underwater use | |
| CN102712341B (en) | For detecting the device of steering torque and deflection angle and there is the steering swivel system of this device | |
| CN201311429Y (en) | Revolution speed transducer | |
| CN201173933Y (en) | Non-contact type revolution speed transducer | |
| CN103414079A (en) | Underwater mini-type conductive pulling ring | |
| CN202815004U (en) | Rotary type flow velocity and flow direction measuring device | |
| CN114221474B (en) | Waterproof motor for electric joint of mechanical arm | |
| CN202562434U (en) | Device for realizing synchronous measurement of angle and angle rate | |
| CN106571716A (en) | Underwater electric linear cylinder mechanism with position feedback function | |
| CN112034202B (en) | Wind speed and direction sensor and method for kilometric ocean wind energy unmanned aircraft | |
| CN206945064U (en) | A kind of rural domestic sewage treatment electromagnetic flowmeter | |
| CN210922654U (en) | Magnetoelectric encoder based on giant magnetoresistance effect | |
| CN101256087A (en) | Non-contact position sensor | |
| CN1252477C (en) | Nanometer magnetic sensitive speed sensor | |
| CN2916590Y (en) | Electronic water level meter for vessel | |
| CN201173784Y (en) | Non-contact position sensor | |
| CN206876905U (en) | A kind of depthsonde | |
| CN204694728U (en) | A kind of Novel compact type seal sensor | |
| CN204568041U (en) | A kind of watertight motor and this autonomous underwater vehicle AUV propulsion system being applied to autonomous underwater vehicle AUV propulsion system | |
| CN202188826U (en) | Engineering ship horizontal angle measuring sensor | |
| CN208241463U (en) | A kind of high reliability integrated waterproof EPS motor | |
| CN201965147U (en) | Deepwater magnetic induction turbine universal flow velocity meter | |
| CN207541089U (en) | Irregular component speed measuring device in closed barrel based on Hall effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20110409 |