CN206038714U - Sensor for vehicle - Google Patents
Sensor for vehicle Download PDFInfo
- Publication number
- CN206038714U CN206038714U CN201620857240.8U CN201620857240U CN206038714U CN 206038714 U CN206038714 U CN 206038714U CN 201620857240 U CN201620857240 U CN 201620857240U CN 206038714 U CN206038714 U CN 206038714U
- Authority
- CN
- China
- Prior art keywords
- coil
- rotary body
- magnetic pole
- sensor
- resettlement section
- 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
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 12
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model provides a sensor for vehicle, including sensing equipment and locate the rotator of sensing equipment one end, sensing equipment includes the casing, locate the polar axis at this casing center, the bobbin of polar axis outer peripheral face is located to the cover, locate the outer coil of bobbin, install in the sheet metal of coil outer peripheral face, in the periphery of sheet metal to a configuration magnetic pole on for the coil, reach two cables of being connected respectively with the top and the terminal of coil, the polar axis is towards the rotator setting and stretch out to the external world of casing, two cables are stretched out by the tip of keeping away from the polar axis of casing, the rotator include with the commentaries on classics roller of wheel synchronous revolution and by a plurality of intervals that the periphery that changes the roller outwards is radial extension set up protruding, each prominent terminal outside is magnetized becomes the magnetic pole reverse magnetic pole outer with the sheet metal. Even when adhering to the sheetmetal on this sensor for vehicle rotator, it is more many when entering into magnetic line of force beam ratio in the polar axis and not attracting the sheetmetal, guarantee that sensor for vehicle can stable output, the stability height.
Description
Technical field
This utility model is related to a kind of automobile-used brakes technical field, more particularly to a kind of automobile sensor.
Background technology
Sensor especially wheel speed sensors, are to provide wheel rotation speed signals to anti-locking system for car ABS control unit
Device, be the input equipment of Automotive Computer System, the speed information in automobilism can be changed into electric signal and be defeated by meter
Calculation machine, so that electromotor is in optimum Working.Present vehicle wheel speed sensor adopts magneto-electric type wheel speed sensor mostly
And Hall wheel speed sensor, Hall wheel speed sensor technology content and cost it is of a relatively high, install it is cumbersome, in actual life
Range of application in work is extensive not as magneto-electric.But existing magneto-electric type wheel speed sensor presence output pulse is low, output characteristics
The problems such as easily changing, brings restriction to practical application.
Utility model content
The utility model proposes a kind of automobile sensor, can efficiently solve existing automobile sensor output pulse low, defeated
The problems such as going out characteristic and easily change.
What the technical solution of the utility model was realized in：
A kind of automobile sensor, including sensing equipment and the rotary body located at the sensing equipment one end, the sensing equipment
Including housing, the pole axis located at the casing center, the bobbin for being sheathed on pole axis outer peripheral face, the coil outside bobbin, peace
Thin plate loaded on coil outer peripheral face, in thin plate outer circumference to coil on configure a magnetic pole and top with coil and terminal point
Two cables not connected, the pole axis arrange and extend out to the external world of housing towards rotary body, and two cable is by the remote of housing
End from pole axis is stretched out, and the rotary body includes and the transfer roller of wheel synchronous rotary and outwards radial by the periphery of transfer roller
The multiple spaced projection for extending, is magnetized to the magnetic pole reverse with the magnetic pole outside thin plate on the outside of the end of each projection.
Preferred version is that the housing includes columnar resettlement section and the installation portion located at the resettlement section one end, the receipts
The one end in appearance portion is arranged towards rotary body, and its formation closes on the sensor head of rotary body；The other end of the resettlement section is away from rotation
Body is arranged, side of the installation portion located at the end away from rotary body of the resettlement section, the pole axis, bobbin, coil, thin
Magnetic pole outside plate and thin plate is contained in the sensor head of resettlement section.
Preferred version is to fill out around cable in the housing and be provided with glued membrane agent.
Preferred version is that the installation portion is provided with a cylinder, and in the cylinder is provided with tapped through hole.
Preferred version is that the rotary body is PBT resin body.
Preferred version is that the outer circumference of the thin plate is S magnetic poles to the magnetic pole configured on coil, outside the end of each projection
Side is magnetized to N magnetic poles.
The beneficial effects of the utility model are：
Automobile sensor in this utility model attracts exterior metal sheets when the magnetic pole that the front end of the projection of transfer roller is magnetized
When, the sheet metal of the part being attracted is flown out by the effect of the centrifugal force of transfer roller, and the sheet metal not flown out attracts to become thereon
Into Magnetitum, the beam of magnetic line of force ratio entered in pole axis is more when not attracting sheet metal, it is ensured that what automobile sensor can be stable is defeated
Go out, stability is high.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Structural representations of the Fig. 1 for this utility model automobile sensor；
Fig. 2 is the profile in Fig. 1 along X-X lines；
State diagram when Fig. 3 is the multiple sheet metals of sorption in a projection of rotary body in Fig. 1.
In figure：
10th, sensing equipment；20th, rotary body；11st, housing；13rd, pole axis；14th, bobbin；15th, coil；16th, thin plate；17、S
Magnetic pole；150th, top；22nd, 23, cable；151st, terminal；110th, resettlement section；112nd, installation portion；18th, sensor head；113rd, cylinder；
115th, tapped through hole；24th, glued membrane agent；25th, transfer roller；26th, projection；27th, N magnetic poles；28th, sheet metal.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
As shown in Figures 1 and 2, the automobile sensor includes sensing equipment 10 and the rotary body located at 10 one end of sensing equipment
20。
The sensing equipment 10 includes housing 11, the pole axis 13 in the housing 11, is sheathed on 13 outer peripheral face of pole axis
Bobbin 14, the coil 15 outside bobbin 14, the thin plate 16 for being installed on 15 outer peripheral face of coil by binding agent, in thin plate 16
Periphery configure upwards S magnetic poles 17, and be welded to connect with the top 150 of coil 15 cable 22, and the terminal 151 of coil 15 weld
The cable 23 for connecing in succession.Being disposed to of the thin plate 16 is easy to the configuration S of coil 15 magnetic poles 17.
The housing 11 includes columnar resettlement section 110 and the installation portion 112 located at 110 one end of resettlement section.It is described
The central axis of resettlement section 110 is vertically arranged in same level with the central axis of rotary body 20, and the one of the resettlement section 110
End is arranged towards rotary body 20, and its formation closes on the sensor head 18 of rotary body 20；The other end of the resettlement section 110 is away from rotation
Body 20 is arranged, side of the installation portion 112 located at the end away from rotary body 20 of the resettlement section 110.On the installation portion 112
A cylinder 113 is provided with, and tapped through hole 115 is provided with the cylinder 113.The sensing equipment 10 is installed by installation portion 112
On car body.
The pole axis 13, bobbin 14, coil 15, thin plate 16 and S magnetic poles 17 are contained in the sensor head of resettlement section 110
In 18, and the pole axis 13 extends to the outside of the end of the sensor head 18 of resettlement section 110.The cable 22,23 respectively by
With the top 150 and 151 link position of terminal of coil 15 to the direction away from coil 15 extend to resettlement section 110 away from sensing
The outside of one end of device head 18.Fill out around cable 22,23 in the housing 11 and be provided with glued membrane agent 24, with fixed cable 22,
23rd, pole axis 13, coil 15, and S magnetic poles 17.
The rotary body 20 includes with the transfer roller 25 of wheel synchronous rotary and by the periphery of transfer roller 25 is outwards radial prolonging
The multiple spaced projection 26 stretched.The rotary body 20 is made into integration by PBT resin, and the end of each projection 26 is magnetized to
N magnetic poles 27.
During use, the rotary body 20 is rotated with wheel, the projection 26 and the sensing of sensing equipment 10 of the transfer roller 25
Device head 18 is relative, enters the pole axis 13 of sensor head 18 by the beam of magnetic line of force that N magnetic poles 27 send, by the periphery of this pole axis 13
Coil 15 enter S magnetic poles 17, electric energy is produced by coil 15 in coil 15, so as to produce electricity at the two ends of cable 22,23
Signal.The transfer roller 25 rotates, change of the projection 26 closer or far from the magnetic induction line of sensor head 18, produces voltage in coil 15,
Sensing equipment 10 exports the pulse voltage of the frequency proportional to the revolution of rotary body 20, is examined according to the frequency of this pulse voltage
Survey the revolution of rotary body 20.
Please refer to Fig. 3, when the N magnetic poles 27 that the front end of the projection 26 of transfer roller 25 is magnetized attract exterior metal sheets 28
When, such as iron powder or paster, the sheet metal 28 of the part being attracted are flown out by the effect of the centrifugal force of transfer roller 25, the gold not flown out
Category piece 28 attracts to become Magnetitum on N magnetic poles 27, when the beam of magnetic line of force ratio entered in pole axis 13 does not attract sheet metal 28 more
It is many, it is ensured that the output that automobile sensor can be stable, stability are high.
When being embodied as, the coil 15 is arranged with the front end of the projection 26 of rotary body 20 in the 16 outer magnetic pole for arranging of thin plate
Magnetic pole is not limited to the situation of above-described embodiment, as long as which ensures that the pole polarity in the two outside is contrary.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (6)
1. a kind of automobile sensor, it is characterised in that：It is including sensing equipment and the rotary body located at the sensing equipment one end, described
Sensing equipment include housing, the pole axis located at the casing center, the bobbin for being sheathed on pole axis outer peripheral face, outside bobbin
Coil, the thin plate for being installed on coil outer peripheral face, in thin plate outer circumference to coil on configure a magnetic pole and top with coil and
Two cables that terminal connects respectively, the pole axis arrange and extend out to the external world of housing towards rotary body, and two cable is by shell
The end away from pole axis of body is stretched out, and the rotary body includes the transfer roller with wheel synchronous rotary and by the periphery of transfer roller is in outwards
The multiple spaced projection of radiated entends, is magnetized on the outside of the end of each projection reverse with the magnetic pole outside thin plate
Magnetic pole.
2. automobile sensor as claimed in claim 1, it is characterised in that：The housing includes columnar resettlement section and is located at
The installation portion of the resettlement section one end, one end of the resettlement section are arranged towards rotary body, and its formation closes on the sensor head of rotary body；
The other end of the resettlement section is arranged away from rotary body, the installation portion located at the end away from rotary body of the resettlement section
Side, the magnetic pole outside the pole axis, bobbin, coil, thin plate and thin plate are contained in the sensor head of resettlement section.
3. automobile sensor as claimed in claim 2, it is characterised in that：Fill out around cable in the housing and be provided with glued membrane
Agent.
4. automobile sensor as claimed in claim 2, it is characterised in that：The installation portion is provided with a cylinder, and in the cylinder
Tapped through hole is provided with vivo.
5. automobile sensor according to any one of claims 1 to 4, it is characterised in that：The rotary body is PBT resin
Body.
6. automobile sensor according to any one of claims 1 to 4, it is characterised in that：The outer circumference of the thin plate is to line
The magnetic pole configured on circle is S magnetic poles, is magnetized to N magnetic poles on the outside of the end of each projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620857240.8U CN206038714U (en) | 2016-08-09 | 2016-08-09 | Sensor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620857240.8U CN206038714U (en) | 2016-08-09 | 2016-08-09 | Sensor for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038714U true CN206038714U (en) | 2017-03-22 |
Family
ID=58308367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620857240.8U Expired - Fee Related CN206038714U (en) | 2016-08-09 | 2016-08-09 | Sensor for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022000344A1 (en) | 2022-01-28 | 2023-08-03 | Baumer Germany Gmbh & Co. Kg | Generator for a rotary encoder and a rotary encoder with such a generator |
-
2016
- 2016-08-09 CN CN201620857240.8U patent/CN206038714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022000344A1 (en) | 2022-01-28 | 2023-08-03 | Baumer Germany Gmbh & Co. Kg | Generator for a rotary encoder and a rotary encoder with such a generator |
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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: 20170322 |