CN109406821A - A kind of variable reluctance wheel speed sensors - Google Patents
A kind of variable reluctance wheel speed sensors Download PDFInfo
- Publication number
- CN109406821A CN109406821A CN201811090722.5A CN201811090722A CN109406821A CN 109406821 A CN109406821 A CN 109406821A CN 201811090722 A CN201811090722 A CN 201811090722A CN 109406821 A CN109406821 A CN 109406821A
- Authority
- CN
- China
- Prior art keywords
- fluted disc
- shell
- wheel speed
- speed sensors
- bar portion
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of variable reluctance wheel speed sensors, including shell, cavity open at one end is offered on the side wall of the shell side, the bar portion of rod failure gear protrudes into cavity and passes through flux sleeve, flux sleeve partial outer face and cavity inner surface cooperate, setting is there are two rolling bearing between the outer surface of the bar portion of flux sleeve inner surface and rod failure gear, and the outer surface of the bar portion of rod failure gear is provided with bushing between two rolling bearings；Spring is provided between bushing and flux sleeve；The bar portion end of the rod failure gear is connected with fluted disc, and the fluted disc upper half is provided with rectangular teeth；The hole extended downwardly from top is offered on the shell along the vertical direction, the axis in hole and the rectangular teeth position of fluted disc are corresponding；It is provided with coil block in hole, is provided with the permanent-magnet alloy coaxial with coil block above coil block；It is additionally provided with socket on shell, wheel locking can be prevented.
Description
Technical field
The invention belongs to trainer aircraft Electromagnetic anti-skid brake system fields, are related to a kind of variable reluctance wheel speed sensors.
Background technique
As aircraft industry continues to develop, seem more next to the various brake system attachmentes that aircraft safety has a major impact
More important, current almost all of aircraft is assembled with wheel wheel speed sensors.Wheel spin-up transducer is as brake system
One important component for detection machine wheel speed and generates the frequency signal directly proportional to wheel speed, is supplied to brake control
Box.Brake system pressure is controlled according to the speed of wheel by brake-control box, prevents the cunning for occurring not allowing when brake
It is dynamic, guarantee the ground run distance requirement taken off and landed.It can be seen that the quality of wheel braking wheel speed sensors, direct shadow
Ring the quality of airplane brake system.
Summary of the invention
Goal of the invention
To solve the above problems, wheel locking can be prevented the present invention provides a kind of variable reluctance wheel speed sensors.
Inventive technique solution
In order to achieve the above-mentioned object of the invention, the present invention uses following technical solutions:
A kind of variable reluctance wheel speed sensors, including shell offer chamber open at one end on the side wall of the shell side
Body, the bar portion of rod failure gear protrude into cavity and pass through flux sleeve, and flux sleeve partial outer face and cavity inner surface cooperate, magnetic conduction
Cover rolling bearing there are two being arranged between the outer surface of the bar portion of inner surface and rod failure gear, rod failure tooth between two rolling bearings
The outer surface of the bar portion of wheel is provided with bushing；Spring is provided between bushing and flux sleeve；The bar portion end of the rod failure gear
It is connected with fluted disc, the fluted disc upper half is provided with rectangular teeth；It is offered along the vertical direction on the shell from top to downward
The hole stretched, the axis in hole and the rectangular teeth position of fluted disc are corresponding；Be provided with coil block in hole, be provided with above coil block with
The coaxial permanent-magnet alloy of coil block；Socket is additionally provided on shell.
Preferably, fluted disc uses high permeability material.
Preferably, it is sealed between the flux sleeve and the cavity of shell by sealing ring.
Preferably, to make the gear correct engagement on rod failure gear and wheel, the bar portion of the fluted disc and rod failure gear is logical
Key connection is crossed, the special washer for locking fluted disc is provided on fluted disc.
Preferably, to prevent magnetic-field closed loop, can not the rotation of induction machine wheel gear when change of magnetic field strength, shell is not using
Permeability magnetic material.
Preferably, to improve magnetic field strength, permanent-magnet alloy and coil block form a magnetic field, when fluted disc circumgyration incision magnetic
When the line of force, sinusoidal AC voltage signal is exported.
Preferably, to keep output signal accurate and fluted disc and coil block are interfered, the rectangular teeth and coil block of fluted disc it
Between gap be 0~0.1mm.
Advantages of the present invention
The present invention has the advantages that
Wheel speed sensors, which are driven by rod failure gear by wheel, to be rotated, and the rectangular teeth of fluted disc is aligned or deviates with permanent-magnet alloy
Alternately occur, cause magnetic resistance in magnetic circuit at periodic variation, coil is made to export sinusoidal induced voltage, for by the speed of wheel
Degree is changed into sinusoidal voltage information and passes to Electromagnetic anti-skid brake system control box, controls box according to voltage signal, to brake
Vehicle system pressure is controlled, and wheel locking is prevented.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of variable reluctance wheel speed sensors of the invention.
In figure: 1- rod failure gear, 2- washer, 3- rolling bearing, 4- spring, 5- sealing ring, 6- bushing, 7- flux sleeve, 8-
Fluted disc, 9- special washer, 10- key, 11- shell, 12- coil block, 13- permanent-magnet alloy, 14- socket.
Specific embodiment
In conjunction with summary of the invention general introduction and attached drawing, the specific embodiment that the present invention will be described in detail.
A kind of variable reluctance wheel speed sensors, including shell 11 offer left end opening on the 11 left side side wall of shell
Cavity, the bar portion of rod failure gear 1 protrudes into cavity and passes through flux sleeve 7, and 7 partial outer face of flux sleeve is matched with cavity inner surface
It closes, there are two rolling bearing 3, two rolling bearings for setting between the outer surface of the bar portion of 7 inner surface of flux sleeve and rod failure gear 1
3 are positioned by 7 inner surface of flux sleeve, and the outer surface of the bar portion of rod failure gear 1 is provided with bushing 6 between two rolling bearings 3；Bushing
Spring 4 is provided between 6 and flux sleeve 7,4 one end of spring is contacted with rolling bearing 3, and one end is contacted with 7 inner surface of flux sleeve；Institute
The bar portion end for stating rod failure gear 1 is connected with fluted disc 8, and 8 upper half of fluted disc is provided with rectangular teeth, rectangular teeth outer rim and coil
There is the gap 0~0.1mm between 12 lower surface of component, 8 end of fluted disc is provided with special washer 9；Along vertical side on the shell 11
To offering the hole extended downwardly from top, the axis in hole and the rectangular teeth position of fluted disc 8 are corresponding and be connected to table in shell 11
Face；It is provided with coil block 12 in hole, the permanent-magnet alloy 13 coaxial with coil block 12, permanent magnetism are provided with above coil block 12
Alloy 13 is outer to be sealed by shell；Socket 14 is additionally provided on shell 11.Fluted disc 8 uses high permeability material.The flux sleeve 7 and shell
It is sealed between the cavity of body 11 by sealing ring 5.The bar portion of the fluted disc 8 and rod failure gear 1 is connected by key.
Working principle:
8 rectangular teeth of fluted disc is directed at permanent-magnet alloy 13 or deviates alternating, and magnetic resistance in magnetic circuit is caused to make line at cyclically-varying
Coil in coil assembly 12 exports sinusoidal induced voltage, for being that sinusoidal AC information passes to by the speed-shifting of wheel
Electromagnetic anti-skid brake system controls box, controls box according to voltage signal, controls brake system pressure, prevents wheel from embracing
Extremely.
Claims (7)
1. a kind of variable reluctance wheel speed sensors, which is characterized in that including shell (11), opened on the side wall of shell (11) side
Equipped with cavity open at one end, the bar portion of rod failure gear (1) protrudes into cavity and passes through flux sleeve (7), and flux sleeve (7) part is outer
Surface and cavity inner surface cooperate, between the outer surface of the bar portion of flux sleeve (7) inner surface and rod failure gear (1) there are two settings
Rolling bearing (3), the outer surface of the bar portion of rod failure gear (1) is provided with bushing (6) between two rolling bearings (3)；Bushing (6
Spring (4) are provided between flux sleeve (7)；The bar portion end of the rod failure gear (1) is connected with fluted disc (8), the fluted disc
(8) upper half is provided with rectangular teeth；The hole extended downwardly from top, the axis in hole are offered along the vertical direction on the shell (11)
Line is corresponding with the rectangular teeth position of fluted disc (8)；It is provided in hole coil block (12), coil block (12) top is provided with and line
The coaxial permanent-magnet alloy (13) of coil assembly (12)；Socket (14) are additionally provided on shell 11.
2. a kind of variable reluctance wheel speed sensors as described in claim 1, which is characterized in that fluted disc (8) uses high magnetic conduction material
Material.
3. a kind of variable reluctance wheel speed sensors as described in claim 1, which is characterized in that the flux sleeve (7) and shell
(11) it is sealed between cavity by sealing ring (5).
4. a kind of variable reluctance wheel speed sensors as described in claim 1, which is characterized in that the fluted disc (8) and rod failure tooth
(1 bar portion is connected by key wheel, and the special washer (9) for locking fluted disc (8) is provided on fluted disc (8).
5. a kind of variable reluctance wheel speed sensors as described in claim 1, which is characterized in that shell (11) uses non-magnetic material
Material.
6. a kind of variable reluctance wheel speed sensors as described in claim 1, which is characterized in that permanent-magnet alloy (13) and coil group
Part (12) forms a magnetic field, when fluted disc (8) circumgyration incision magnetic line of force, exports sinusoidal AC voltage signal.
7. a kind of variable reluctance wheel speed sensors as described in claim 1, which is characterized in that the rectangular teeth and line of fluted disc (8)
Gap between coil assembly (12) is 0~0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090722.5A CN109406821B (en) | 2018-09-18 | 2018-09-18 | Variable-reluctance wheel speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090722.5A CN109406821B (en) | 2018-09-18 | 2018-09-18 | Variable-reluctance wheel speed sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109406821A true CN109406821A (en) | 2019-03-01 |
| CN109406821B CN109406821B (en) | 2020-12-18 |
Family
ID=65465038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811090722.5A Active CN109406821B (en) | 2018-09-18 | 2018-09-18 | Variable-reluctance wheel speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109406821B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186685A (en) * | 2019-04-17 | 2019-08-30 | 重庆彤星科技有限公司 | A kind of automobile engine dynamic date reading device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5291130A (en) * | 1993-01-25 | 1994-03-01 | Eaton Corporation | Vehicle wheel speed sensor employing an adaptable rotor cap |
| CN102495228A (en) * | 2011-11-22 | 2012-06-13 | 西安航空制动科技有限公司 | Permanent-magnet type airplane wheel speed sensor |
| CN102565449A (en) * | 2012-01-05 | 2012-07-11 | 西安航空制动科技有限公司 | Double-section type four-redundancy airplane wheel velocity sensor |
| CN104198753A (en) * | 2014-08-25 | 2014-12-10 | 贵州新安航空机械有限责任公司 | Permanent magnet type dual-redundancy machine wheel speed sensor |
| CN204719065U (en) * | 2015-06-16 | 2015-10-21 | 西安航空制动科技有限公司 | A kind of water proof type speed pickup |
-
2018
- 2018-09-18 CN CN201811090722.5A patent/CN109406821B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5291130A (en) * | 1993-01-25 | 1994-03-01 | Eaton Corporation | Vehicle wheel speed sensor employing an adaptable rotor cap |
| CN102495228A (en) * | 2011-11-22 | 2012-06-13 | 西安航空制动科技有限公司 | Permanent-magnet type airplane wheel speed sensor |
| CN102565449A (en) * | 2012-01-05 | 2012-07-11 | 西安航空制动科技有限公司 | Double-section type four-redundancy airplane wheel velocity sensor |
| CN104198753A (en) * | 2014-08-25 | 2014-12-10 | 贵州新安航空机械有限责任公司 | Permanent magnet type dual-redundancy machine wheel speed sensor |
| CN204719065U (en) * | 2015-06-16 | 2015-10-21 | 西安航空制动科技有限公司 | A kind of water proof type speed pickup |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186685A (en) * | 2019-04-17 | 2019-08-30 | 重庆彤星科技有限公司 | A kind of automobile engine dynamic date reading device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109406821B (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI112634B (en) | Method of generating electrical energy by means of a generator and use of this generator in vehicles fitted with anti-slip systems | |
| CN103609017B (en) | For the method controlling wind energy plant | |
| CN109406821A (en) | A kind of variable reluctance wheel speed sensors | |
| CN106763187B (en) | A kind of implicit Lorentz force deflection magnetic bearing of the poly- magnetic effect of U-shaped | |
| CN108809031A (en) | A kind of Three Degree Of Freedom bearing-free switch reluctance motor of constant-current source excitation | |
| CN205027774U (en) | Wheel speed measuring device based on vehicle semi -axis | |
| CN105191114A (en) | Control system for a synchronous machine and method for operating a synchronous machine | |
| CN202851743U (en) | Magnetofluid drum brake | |
| GB1304702A (en) | ||
| CA2048750A1 (en) | Shaft position sensor employing a wiegand-effect device | |
| CN101465584B (en) | Dual-stator brushless DC motor and braking method thereof | |
| CN109842245A (en) | A kind of permanent magnet machine rotor position-measurement device and method | |
| CN202661208U (en) | Torque sensor of electric bicycle | |
| CN104038022B (en) | A kind of mining speed-adjusting-type permanent-magnet actuating device | |
| EP3724966A1 (en) | Compact halbach electrical generator for integration in a solid body | |
| CN204832234U (en) | Hall magnetic induction type wheel speedtransmitter | |
| CN105152064B (en) | A kind of magnetic of magnetic field regulation and control friction, which rubs, couples Winder Disk Brake | |
| CN104897922B (en) | A kind of contactless Hall magnetic induction type wheel spin-up transducer | |
| CN204707014U (en) | Coreless permanent magnet motor | |
| CN107575472A (en) | A kind of implicit Lorentz force magnetic bearing of synergistic effect | |
| CN205383131U (en) | Built -in magneto -rheological fluid brake's pendulum actuating cylinder | |
| CN104198753A (en) | Permanent magnet type dual-redundancy machine wheel speed sensor | |
| CN103542964B (en) | Electric bicycle moment sensor | |
| CN208588392U (en) | A kind of magnetic encoder | |
| CN206559214U (en) | A kind of permanent magnetism in permanent-magnet slip transmission moves cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |