CN206598837U - A kind of automobile brake pedal position sensor - Google Patents
A kind of automobile brake pedal position sensor Download PDFInfo
- Publication number
- CN206598837U CN206598837U CN201720302498.6U CN201720302498U CN206598837U CN 206598837 U CN206598837 U CN 206598837U CN 201720302498 U CN201720302498 U CN 201720302498U CN 206598837 U CN206598837 U CN 206598837U
- Authority
- CN
- China
- Prior art keywords
- gear
- housing
- rotating shaft
- angle acquisition
- brake pedal
- 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
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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model discloses a kind of automobile brake pedal position sensor, prior art is solved to slide in hollow bolt by guide rod, sense so that the contact on contact contact slides on a printed circuit come the activity to pedal, the stroke of guide rod is long, the problem of volume of sensor is larger is caused, its drip irrigation device is：Including the housing being fixed by screws on running-board bracket, the angle acquisition gear that rotating shaft is stretched out outside housing is rotatably connected in housing, rotating shaft is fixed with the shaft coupling that the rotating shaft with pedal is fixedly connected outside housing, the angular magnification organization that the corner for the rotating shaft for angle acquisition gear to be collected engaged with angle acquisition gear is amplified is additionally provided with housing, and receive the encoder of the turn signal after amplifying through the angular magnification organization, there is compact conformation, sensor bulk is reduced.
Description
Technical field
The utility model is related to position sensor technical field, more specifically, it relates to a kind of automobile brake pedal position
Put sensor.
Background technology
Chinese utility model patent, Publication No. CN204775212U, publication date is on November 18th, 2015, discloses one
Automobile brake pedal position sensor is planted, the main points of its technical scheme are：On automobile brake pedal, including hollow spiral shell
Bolt, the guide rod that can be moved in hollow bolt, the upper jacket with connector stitch and the lower jacket with connector and multiple
Position spring.The upper end of upper jacket is provided with threaded shoulder hole, to location and installation hollow bolt；The screw rod position of hollow bolt
On the outside of upper jacket；Printed circuit board (PCB) is welded with connector stitch upper-end part of driving, guide rod passes through printed circuit board (PCB)；Lower end of the guide rod
It is installed with the contact contact of contact-carrying.When not trampling brake pedal, contact and the printed circuit board (PCB) on contact contact
It is in contact.Back-moving spring is located between lower end of the guide rod and the inner face of lower jacket.
The course of work of above-mentioned prior art is that when brake pedal, guide rod is moved down in hollow bolt so that connect
The contact touched on contact departs from printed circuit board (PCB), and now the output signal of the on-off circuit on printed circuit board (PCB) changes,
Signal passes to lower jacket by connector stitch, and signal is passed into electronic control unit (ECU) again by lower jacket.Work as release
During brake pedal, in the presence of back-moving spring, guide rod is moved up so that contact is contacted with printed circuit board (PCB), now printed circuit
The output signal of on-off circuit on plate changes, and signal passes to lower jacket by connector stitch, again will by lower jacket
Signal passes to electronic control unit (ECU).
Above-mentioned prior art is slided by guide rod in hollow bolt so that the contact on contact contact is in printed circuit board (PCB)
Upper sliding senses come the activity to pedal, and the stroke of guide rod is long, causes the volume of sensor larger.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is that providing a kind of automobile brake pedal position passes
Sensor, has the advantages that compact conformation, compact.
To achieve the above object, the utility model provides following technical scheme：
Turn in a kind of automobile brake pedal position sensor, including the housing being fixed by screws on running-board bracket, housing
It is dynamic to be connected with the angle acquisition gear that rotating shaft is stretched out outside housing, what the rotating shaft that rotating shaft is fixed with pedal outside housing was fixedly connected
The corner that the rotating shaft for angle acquisition gear to be collected engaged with angle acquisition gear is additionally provided with shaft coupling, housing enters
The angular magnification organization of row amplification, and receive the encoder of the turn signal after amplifying through the angular magnification organization.
Using above-mentioned technical proposal, housing is fixed on running-board bracket, and the rotating shaft of angle acquisition gear is stretched out outside housing, and logical
The rotating shaft that crossing shaft coupling realizes with pedal is connected；Because the angle of the rotation of pedal around the shaft is smaller, by setting angle to put
Great institutions, the angle information that angle acquisition gear is collected is amplified, and by angle information transfer to encoder, by encoding
Device records angular displacement, and angular displacement signal is passed into electronic control unit (ECU)；Above-mentioned technical proposal have compact conformation,
Reduce the advantage of sensor bulk.
Further, the angle acquisition gear is the sector gear that key is connected in rotating shaft.
Using above-mentioned technical proposal, because the angle of the rotation of pedal around the shaft is smaller, therefore angle acquisition gear have
Imitate angle of rotation also smaller, by setting sector gear, the tooth taken less than cut down, the volume of sensor can be effectively reduced,
Further make the compact conformation of sensor.
Further, it is provided with the housing at the two ends of sector gear and the slewing area of the sector gear is limited
So that two gag lever posts that sector gear is engaged with angular magnification organization all the time.
Using above-mentioned technical proposal, using sector gear problem may be brought to be that the dynamics of each pedal is different, may
Cause sector gear to cross to turn, so as to cause the situation that sector gear is disengaged from angular magnification organization, by sector gear
Two ends set two gag lever posts, sector gear is rotated in confined region, thus avoid sector gear and
The situation that angular magnification organization is disengaged from.
Further, rotary shaft is provided with housing, the angular magnification organization is connected in same rotary shaft including key
And there is the one-stage gear and secondary gear of identical modulus, one-stage gear is engaged with the angle acquisition gear；The one-level tooth
Wheel has identical modulus with the angle acquisition gear, and diameter is less than the diameter of the angle acquisition gear；One-stage gear
Diameter be less than the diameter of secondary gear, engage with secondary gear and diameter is fixed with the rotating shaft of encoder and is less than secondary gear
Wheel with tertiary gear of the secondary gear with modulus.
Using above-mentioned technical proposal, one-stage gear modulus identical with secondary gear, it is ensured that two gears are preferably engaged；One
Level gear is connected in same rotary shaft with the equal key of secondary gear so that one-stage gear and secondary gear synchronous axial system, one-level
The diameter of gear is less than the diameter of secondary gear, and the linear velocity of secondary gear is more than one-stage gear；One-stage gear and angle acquisition
Gear is engaged, and angle acquisition gear is by the angle information transfer collected to one-stage gear；Tertiary gear is engaged with secondary gear,
And tertiary gear is fixedly connected with the rotating shaft of encoder, the angle enlargement collected to angle acquisition gear is realized, and will put
Signal after big passes to encoder；The diameter of tertiary gear is less than the diameter of secondary gear, furthermore achieved that to collection tooth
Take turns the amplification of the angle collected.
Further, the diameter of the tertiary gear is less than the diameter of the one-stage gear.
Using above-mentioned technical proposal, the diameter of tertiary gear is less than the diameter of the one-stage gear, further increases angle
Spend the multiplication factor of enlarger.
Further, provided with the bearing being set in rotating shaft between the rotating shaft and housing；Bearing outer end is arranged with by spiral shell
Line is fixed on the gland on housing；The gland is fixed by screws on running-board bracket.
Using above-mentioned technical proposal, in order to reduce the friction between rotating shaft and housing, provided with set between rotating shaft and housing
The bearing in rotating shaft is located at, bearing outer end is arranged with the gland being threadedly secured on housing；Gland is fixed by screws in
On running-board bracket.
Further, dust-proof seal ring is provided between the gland and housing.
Using above-mentioned technical proposal, enter to reduce dust in sensor, set dust-proof close between gland and housing
Seal.
In summary, housing is fixed on running-board bracket, and the rotating shaft of angle acquisition gear is stretched out outside housing, and passes through shaft coupling
The rotating shaft with pedal is realized to be connected；, will by setting angular magnification organization because the angle of the rotation of pedal around the shaft is smaller
The angle information that angle acquisition gear is collected is amplified, and angle information transfer is recorded into angle by encoder to encoder
Displacement, and angular displacement signal is passed into electronic control unit (ECU)；One-stage gear modulus identical with secondary gear, it is ensured that two
Individual gear is preferably engaged；One-stage gear is connected in same rotary shaft with the equal key of secondary gear so that one-stage gear and two
Level gear synchronous is rotated, and the diameter of one-stage gear is less than the diameter of secondary gear, and the linear velocity of secondary gear is more than one-stage gear；
One-stage gear is engaged with angle acquisition gear, and angle acquisition gear is by the angle information transfer collected to one-stage gear；Three-level
Gear is engaged with secondary gear, and tertiary gear is fixedly connected with the rotating shaft of encoder, realizes and angle acquisition gear is gathered
The angle enlargement arrived, and the signal after amplification is passed into encoder；The diameter of tertiary gear is less than the diameter of secondary gear, enters
One step realizes the amplification of the angle collected to collection gear；Above-mentioned technical proposal has compact conformation, reduces sensor body
Long-pending advantage.
Brief description of the drawings
Fig. 1 is a kind of automobile brake pedal position sensor structural representation of the present embodiment；
Fig. 2 is the schematic diagram that a kind of automobile brake pedal position sensor is arranged on pedal.
Reference：1st, housing；2nd, angle acquisition gear；3rd, shaft coupling；4th, encoder；5th, gag lever post；6th, rotary shaft；7、
One-stage gear；8th, secondary gear；9th, tertiary gear；10th, bearing；11st, gland；12nd, running-board bracket；13rd, dust-proof seal ring；14th, bullet
Spring；15th, position sensor；16th, pedal.
Embodiment
The technical solution of the utility model is elaborated below in conjunction with the accompanying drawings.
Encoder is a kind of rotating detector that swing offset is converted into string number pulse signal, these pulse energy
For controlling angular displacement.
Electronic control unit (ECU) is used to realize to analysis, processing, transmission of data etc. one by what integrated circuit was constituted
The control device of series function, the at present extensive use on automobile.
A kind of automobile brake pedal position sensor, referring to Fig. 1, including housing 1, is rotated by bearing 10 in housing 1 and connected
Angle acquisition gear 2 is connected to, angle acquisition gear 2 is that rotary shaft 6 is provided with the sector gear that key is connected in rotating shaft, housing 1,
Key is connected with one-stage gear 7 and secondary gear 8 in rotary shaft 6, and one-stage gear 7 and secondary gear 8 have identical modulus, and one
The diameter of level gear 7 is less than the diameter of secondary gear 8；One-stage gear 7 is engaged with sector gear, one-stage gear 7 and sector gear
With identical modulus, the diameter of one-stage gear 7 is less than the diameter of sector gear；Encoder 4, encoder 4 are fixed with housing 1
Rotating shaft on be fixed with the tertiary gear 9 engaged with secondary gear 8；The diameter of tertiary gear 9 is less than the diameter of one-stage gear 7,
And tertiary gear 9 has identical modulus with secondary gear 8.
Two gag lever posts 5 are fixed with the two ends of sector gear in housing 1（A gag lever post 5 is shown in figure）；It is spacing
The position of bar 5 makes angle acquisition gear 2 be engaged all the time with one-stage gear 7.
The left end of bearing 10 is provided with gland 11, and gland 11 is fixed by screws on housing 1, enters biography to reduce dust
In sensor, dust-proof seal ring 13 is folded between gland 11 and housing 1.
With reference to Fig. 1 and Fig. 2, shaft coupling 3 is fixed with the rotating shaft of the angle acquisition gear 2 in position sensor 15, is passed through
Shaft coupling 3 realizes that the rotating shaft of angle acquisition gear 2 links with the rotating shaft of pedal 16；Gland 11 is fixed by screws in running-board bracket 12
On.
Pedal 16 is rotatably connected on running-board bracket 12, spring 14 is provided between pedal 16 and running-board bracket 12.
The course of work is that driver is compressed spring 14 by pushes pedals 16, pedal 16, and pedal 16 is around running-board bracket 12
Rotate, the rotating shaft of automobile brake pedal position sensor is connected with the rotating shaft of pedal 16 by shaft coupling 3, perception pedal 16 is around stepping on
Grillage 12 is rotated, by angle acquisition gear 2, one-stage gear 7, secondary gear 8 and tertiary gear 9, by the angular displacement of pedal 16
Gather and encoder 4 is passed to after amplifying, encoder 4 has angular displacement, angular displacement signal is passed into electronic control unit
(ECU), the brake unit of electronic control unit (ECU) control automobile is braked to automobile；Loosen pedal 16, in spring 14
Under effect, pedal 16 recovers home position.The size of the angular displacement of electronic control unit (ECU) analysis of encoding device 4, correspondence control
The braking of brake unit processed is strong and weak, realizes the braking to automobile.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of automobile brake pedal position sensor, including the housing (1) being fixed by screws on running-board bracket (12), it is special
Levy and be：Rotating shaft is rotatably connected in housing (1) and stretches out the angle acquisition gear (2) of housing (1) outside, rotating shaft in housing (1) outside
It is fixed with to be additionally provided with the shaft coupling (3) being fixedly connected with the rotating shaft of pedal (16), housing (1) and is nibbled with angle acquisition gear (2)
The angular magnification organization that the corner for the rotating shaft for angle acquisition gear (2) to be collected closed is amplified, and receive warp
The encoder (4) of turn signal after the angular magnification organization amplification.
2. a kind of automobile brake pedal position sensor according to claim 1, it is characterised in that：The angle acquisition tooth
Wheel (2) is the sector gear that key is connected in rotating shaft.
3. a kind of automobile brake pedal position sensor according to claim 2, it is characterised in that：In the housing (1)
Be provided with the two ends of sector gear it is that the slewing area of the sector gear is limited so that sector gear all the time with angle
Two gag lever posts (5) of enlarger engagement.
4. a kind of automobile brake pedal position sensor according to claim 1, it is characterised in that：It is provided with housing (1)
Rotary shaft (6), the angular magnification organization includes key and is connected to one-level in same rotary shaft (6) and with identical modulus
Gear (7) and secondary gear (8), one-stage gear (7) are engaged with the angle acquisition gear (2)；The one-stage gear (7) and institute
Angle acquisition gear (2) is stated with identical modulus, and diameter is less than the diameter of the angle acquisition gear (2)；One-stage gear
(7) diameter is less than the diameter of secondary gear (8), is fixed with the rotating shaft of encoder (4) being engaged with secondary gear (8) and straight
Footpath is less than secondary gear (8) and tertiary gear (9) of the secondary gear (8) with modulus.
5. a kind of automobile brake pedal position sensor according to claim 4, it is characterised in that：The tertiary gear
(9) diameter is less than the diameter of the one-stage gear (7).
6. a kind of automobile brake pedal position sensor according to claim 1, it is characterised in that：The rotating shaft and housing
(1) provided with the bearing (10) being set in rotating shaft between；Bearing (10) outer end, which is arranged with, to be threadedly secured on housing (1)
Gland (11)；The gland (11) is fixed by screws on running-board bracket (12).
7. a kind of automobile brake pedal position sensor according to claim 6, it is characterised in that：The gland (11) with
Dust-proof seal ring (13) is provided between housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302498.6U CN206598837U (en) | 2017-03-25 | 2017-03-25 | A kind of automobile brake pedal position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302498.6U CN206598837U (en) | 2017-03-25 | 2017-03-25 | A kind of automobile brake pedal position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206598837U true CN206598837U (en) | 2017-10-31 |
Family
ID=60145058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720302498.6U Expired - Fee Related CN206598837U (en) | 2017-03-25 | 2017-03-25 | A kind of automobile brake pedal position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206598837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660095A (en) * | 2019-10-15 | 2021-04-16 | 比亚迪股份有限公司 | Hydraulic device for brake system, brake system and vehicle |
-
2017
- 2017-03-25 CN CN201720302498.6U patent/CN206598837U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660095A (en) * | 2019-10-15 | 2021-04-16 | 比亚迪股份有限公司 | Hydraulic device for brake system, brake system and vehicle |
| CN112660095B (en) * | 2019-10-15 | 2022-03-18 | 比亚迪股份有限公司 | Hydraulic device for brake system, brake system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20200325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |