CN202631564U - Magneto-electric wheel speed sensor - Google Patents
Magneto-electric wheel speed sensor Download PDFInfo
- Publication number
- CN202631564U CN202631564U CN 201220165853 CN201220165853U CN202631564U CN 202631564 U CN202631564 U CN 202631564U CN 201220165853 CN201220165853 CN 201220165853 CN 201220165853 U CN201220165853 U CN 201220165853U CN 202631564 U CN202631564 U CN 202631564U
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- CN
- China
- Prior art keywords
- magneto
- wheel speed
- electric wheel
- iron core
- speed sensors
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- Expired - Fee Related
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Abstract
The utility model discloses a magneto-electric wheel speed sensor comprising a shell, wherein an iron core and a coil roll are arranged in the shell; one side of the iron core is provided with a cylinder magnet; the cylinder magnet and the iron core are arranged coaxially; one side, far away from the iron core, of cylinder magnet is provided with an end cap; one end of the coil roll and the end cap are coordinatively arranged; and the outer side wall of one side of the coil roll, being far away from the end cap, is provided with an enamelled wire. For the magneto-electric wheel speed sensor, the structure is simple, and the end cap is arranged outside the cylinder magnet and the coil roll, thus having good dustproof and antifouling effect and improving the service life of the magneto-electric wheel speed sensor.
Description
Technical field
The utility model relates to braking automobile brake system field, is specifically related to a kind of magneto-electric wheel speed sensors.
Background technology
During automobile brake, in case wheel lock up whipping will take place breaks away or go phenomenon such as direction control; Particularly when high speed or the braking of wet and slippery road surface, usually lead to traffic accident; The safety of threat to life or property, in order to address this problem, people install anti-lock braking system usually; This anti-lock braking system generally is made up of four systems: signal acquiring system, signal analysis and disposal system, control signal executive system and signal transduction system; Wherein signal acquiring system is the magneto-electric wheel speed sensors, and the effect of magneto-electric wheel speed sensors in anti-lock braking system is rotation situation and the dynamic regime of wheel of identification wheel, and it is become data-signal passes to control system; Therefore, the magneto-electric wheel speed sensors is very important.
At present; The magneto-electric wheel speed sensors of prior art comprises shell; Be provided with magnet steel, iron core and coil in the shell, traditional magneto-electric wheel speed sensors shell is relatively poor with inner parts fiting effect, gets into dust or other pollutants easily; Cause the inner pollution of magneto-electric wheel speed sensors, influence the operate as normal of magneto-electric wheel speed sensors.
Summary of the invention
The purpose of the utility model is: to the deficiency of prior art, it is a kind of simple in structure that the utility model provides, the magneto-electric wheel speed sensors that resistant is effective, antijamming capability is strong.
To achieve these goals, the technical scheme below the utility model has adopted:
A kind of magneto-electric wheel speed sensors comprises shell, is provided with iron core and coil volume in the described shell; One side of described iron core is provided with cylindrical magnet; Described cylindrical magnet is provided with end cap with the coaxial setting of iron core, described cylindrical magnet away from a side of iron core, and described coil volume is sheathed on outside iron core and the cylindrical magnet; One end and the end cap of coil volume are equipped with, and the coil volume is provided with enameled wire away from an end lateral wall of end cap.
As preferably, also comprise plug, described plug is connected with connection terminal through electric wire, is provided with pin in the described plug, and pin is provided with the plug protective sleeve outward.After adopting above-mentioned preferred version, the magneto-electric wheel speed sensors transmission signals of the utility model is more convenient.
As preferably, the side that described end cap cooperates with cylindrical magnet is provided with groove, and described cylindrical magnet embeds in the groove away from a side of iron core, and described groove lateral wall embeds an end of coil volume.After adopting above-mentioned preferred version, end cap cooperates more firm with cylindrical magnet, has avoided the entering of external contamination thing, has improved the antifouling property of magneto-electric wheel speed sensors.
As preferably, described electric wire is provided with locating sleeve outward.After adopting above-mentioned preferred version, electric wire can better be fixed in ad-hoc location, has avoided electric wire to be scattered, and the staff is caused obstruction.
As preferably, described shell is provided with fixed head outward.After adopting above-mentioned preferred version, fixed head makes the magneto-electric wheel speed sensors can be fixed in ad-hoc location better, thereby protects the magneto-electric wheel speed sensors better, makes it avoid being damaged.
As preferably, said enameled wire such as is provided with outward at the line tree lace.After adopting above-mentioned preferred version, structure is more compact.
The magneto-electric wheel speed sensors of the utility model is simple in structure, is equipped with end cap outside cylindrical magnet and the coil volume, and dustproof anti-fouling effect is better, has improved the serviceable life of magneto-electric wheel speed sensors.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment magneto-electric wheel speed sensors;
Fig. 2 is the structural representation after the utility model embodiment magneto-electric wheel speed sensors is installed electric wire and plug.
Embodiment
As depicted in figs. 1 and 2, the embodiment of the utility model specifically is a kind of magneto-electric wheel speed sensors, comprises shell 1, is provided with iron core 2 and coil volume 4 in the shell 1, the shell 1 outer fixed head 11 that is provided with.One side of iron core 2 is provided with cylindrical magnet 3, cylindrical magnet 3 and iron core 2 coaxial settings, and cylindrical magnet 3 is provided with end cap 5 away from a side of iron core 2, and coil volume 4 is sheathed on outside iron core 2 and the cylindrical magnet 3.One end and the end cap 5 of coil volume 4 are equipped with, and the coil volume 4 end lateral walls away from end cap 5 are provided with enameled wire 6.Enameled wire 6 is outer line tree lace 7 such as to be provided with.The side that end cap 5 cooperates with cylindrical magnet 3 is provided with groove 51, and cylindrical magnet 3 embeds in the groove 51 away from a side of iron core 2, and groove 51 lateral walls embed an end of coil volume 4.
The magneto-electric wheel speed sensors of the utility model also comprises plug 8, and plug 8 is connected with connection terminal 10 through electric wire 9, is provided with pin 81 in the plug 8, the pin 81 outer plug protective sleeves 82 that are provided with.The electric wire 9 outer locating sleeves 91 that are provided with.
During work, the magnetic line of force comes out from a utmost point of cylindrical magnet 3, passes coil volume 4 and air, turns back to another utmost point of cylindrical magnet 3.When wheel rotates, the coil volume 4 thereupon rotation synchronous, the magnetic field that the magneto-electric wheel speed sensors is passed through in tooth on the coil volume 3 and gap successively fast with wheel; Changed the magnetic resistance of magnetic circuit; Thereby cause that induced potential changes in the coil, produce the potential pulse of certain amplitude, frequency, the frequency of pulse; Be the pulse number that produces p.s., thereby can reflect the speed of wheel rotation.
Claims (6)
1. a magneto-electric wheel speed sensors comprises shell, is provided with iron core and coil volume in the described shell; It is characterized in that: a side of described iron core is provided with cylindrical magnet; Described cylindrical magnet is provided with end cap with the coaxial setting of iron core, described cylindrical magnet away from a side of iron core, and described coil volume is sheathed on outside iron core and the cylindrical magnet; One end and the end cap of coil volume are equipped with, and the coil volume is provided with enameled wire away from an end lateral wall of end cap.
2. magneto-electric wheel speed sensors according to claim 1 is characterized in that: also comprise plug, described plug is connected with connection terminal through electric wire, is provided with pin in the described plug, and pin is provided with the plug protective sleeve outward.
3. magneto-electric wheel speed sensors according to claim 1; It is characterized in that: the side that described end cap cooperates with cylindrical magnet is provided with groove; Described cylindrical magnet embeds in the groove away from a side of iron core, and described groove lateral wall embeds an end of coil volume.
4. magneto-electric wheel speed sensors according to claim 2 is characterized in that: described electric wire is provided with locating sleeve outward.
5. magneto-electric wheel speed sensors according to claim 1 is characterized in that: described shell is provided with fixed head outward.
6. magneto-electric wheel speed sensors according to claim 1 is characterized in that: said enameled wire such as is provided with outward at the line tree lace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165853 CN202631564U (en) | 2012-04-18 | 2012-04-18 | Magneto-electric wheel speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165853 CN202631564U (en) | 2012-04-18 | 2012-04-18 | Magneto-electric wheel speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631564U true CN202631564U (en) | 2012-12-26 |
Family
ID=47384755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220165853 Expired - Fee Related CN202631564U (en) | 2012-04-18 | 2012-04-18 | Magneto-electric wheel speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344878A (en) * | 2018-02-12 | 2018-07-31 | 西安航天动力研究所 | A kind of big signal small size ultralow temperature magnetoelectric tachometric transducer |
| CN112180115A (en) * | 2019-07-02 | 2021-01-05 | 陆博汽车电子（曲阜）有限公司 | Magnetoelectric wheel speed sensor |
-
2012
- 2012-04-18 CN CN 201220165853 patent/CN202631564U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344878A (en) * | 2018-02-12 | 2018-07-31 | 西安航天动力研究所 | A kind of big signal small size ultralow temperature magnetoelectric tachometric transducer |
| CN108344878B (en) * | 2018-02-12 | 2020-06-09 | 西安航天动力研究所 | Large-signal small-size ultralow-temperature magnetoelectric speed sensor |
| CN112180115A (en) * | 2019-07-02 | 2021-01-05 | 陆博汽车电子（曲阜）有限公司 | Magnetoelectric wheel speed sensor |
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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 |
Granted publication date: 20121226 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |