CN207106476U - A kind of built-in braking PTS device - Google Patents
A kind of built-in braking PTS device Download PDFInfo
- Publication number
- CN207106476U CN207106476U CN201720795708.XU CN201720795708U CN207106476U CN 207106476 U CN207106476 U CN 207106476U CN 201720795708 U CN201720795708 U CN 201720795708U CN 207106476 U CN207106476 U CN 207106476U
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- Prior art keywords
- push rod
- sensor
- housing
- brake pedal
- braking
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000001939 inductive effect Effects 0.000 claims abstract description 18
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 8
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910000828 alnico Inorganic materials 0.000 claims description 4
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 4
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- -1 aluminium nickel cobalt Chemical compound 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Mechanical Control Devices (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model discloses a kind of built-in braking PTS device, including housing, brake pedal, the first push rod for rotating and being slidably connected with brake pedal, brake pedal can be with respect to housing into rotation, first push rod can slide with respect to housing, sensor device also includes the rack being slidably arranged in housing, the gear being meshed with rack, for the stroke sensing device assembly for the stroke for detecting brake pedal, rack is fixedly connected with the first push rod, pinion rotation is arranged on housing, stroke sensing device assembly includes the sensor being fixedly installed on housing, sensor is Hall type sensor, sensor electrically connects with Vehicle Controller, stroke sensing device assembly also includes the inductive magnetic steel being fixedly installed on gear.The transducer arrangement configuration is compact, reliability is high, is detected using hall principle, while has the advantages that contactless, high resolution, vibration resistance, wear-resistant, small power consumption, easy for installation.
Description
Technical field
The utility model is specifically related to technical field of automobile accessories, and in particular to a kind of built-in braking pedal travel sensing
Device device.
Background technology
The brake pedal sensor of the vehicle of early stage is mainly switching mode, is only capable of detecting brake pedal in separation or engagement
State.As the development of Automotive Applied Technology is, it is necessary to which the total travel that consecutive variations are provided in the braking procedure of brake pedal is believed
Number.Brake-pedal-travel sensor on the market at present, mainly by being installed at the coaxial position of the hinge axis of brake pedal
Stroke sensor, stroke sensor rotation is driven so that stroke sensor to be rotated in braking procedure by brake pedal
Output signal, and changing to detect the stroke of brake pedal with the output signal.Although this mode principle is simple, it is pacified
Assembling structure is relative complex, brake pedal unit arrangement inconvenience.On the other hand, this trip sensor internal is mostly slide resistor
Principle, consecutive variations precision is not high, long-term use of easy to wear, influences reliability.
Application No. 201310660015.6, the patent document of the entitled stroke sensor for brake pedal equipment
In provide a kind of stroke sensor for brake pedal equipment, the device is improved by increasing extra bindiny mechanism
The precision of rotation angle signal when brake pedal manipulates.Another advantage of the device is no longer by the shadow of pedal arm deformation
Ring, effectively increase the reliability of PTS detection.However, there is complicated, installation cloth in the trip sensor
The problems such as putting inconvenience.
Utility model content
Technical problem to be solved in the utility model is to be directed to problem of the prior art, there is provided a kind of simple in construction, peace
The built-in braking PTS device that dress is convenient, reliability is high.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of built-in braking PTS device, including housing, brake pedal and the brake pedal can
The first push rod for rotating and being slidably connected, the brake pedal can be set relatively described housing into rotation, and described first pushes away
Bar can relatively described housing slidably set, the sensor device also include can be slidably arranged in the housing
Rack, the gear being meshed with the rack, the stroke sensing device assembly of stroke for detecting the brake pedal, the tooth
Bar is mutually fixedly connected with first push rod, and the gear can be rotatably arranged on the housing, the stroke sensor
Component includes the sensor that fixed setting is used to detect the stroke of the brake pedal on the housing, and the sensor is suddenly
That type sensor, the sensor electrically connect with Vehicle Controller, and the stroke sensing device assembly also includes being fixedly installed on institute
State the inductive magnetic steel on gear.
Preferably, the gear has gear shaft, and the center of the gear shaft is provided with groove, and the inductive magnetic steel is fixed and set
Put in the groove.
Preferably, the central axis of the gear, the sensor and the inductive magnetic steel extends along same rectilinear direction.
Preferably, the sensor is chip type sensor, and the sensor is set in the circuit board, and the circuit board is consolidated
It is fixed to set on the housing.
Preferably, the output signal of the sensor is one kind in analog signal, pulse width signal and serial communication signal.
Preferably, the inductive magnetic steel material is in neodymium iron boron, SmCo, aluminium nickel cobalt, nickel-zinc ferrite, Agglutinate neodymium-iron-boron
It is a kind of.
Preferably, the brake pedal is connected with the one end of first push rod by bearing pin, on the brake pedal
Provided with the first chute extended along its length, the bearing pin can along first chute length bearing of trend slidably
It is arranged in first chute.
Preferably, the sensor device also includes the second push rod that can be slidably arranged in the housing, described
The glide direction of second push rod is identical with the glide direction of first push rod, and second push rod is provided with and pushed away along described second
Second chute of the glide direction extension of bar, the rack can slidably be set along the length bearing of trend of second chute
In second chute.
Further, the central axis of first push rod and second push rod extends along same rectilinear direction.
Further, 0 ~ 10mm gap is provided between first push rod and second push rod.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：This practicality is new
The built-in braking PTS device of type, can be by the straight line position of the first push rod in driver applies braking procedure
Move, rotational angle displacement is converted into by rack and pinion drive, and will by the stroke sensing device assembly based on hall principle
The angular displacement exports as electronic signals.It does not change the structure of existing brake pedal and mounting means, and technique inheritance is good,
It is compact-sized, reliability is high and the device is built in braking equipment, detected using hall principle, while there is nothing
Contact, high resolution, vibration resistance, wear-resistant, small power consumption, it is easy for installation the advantages that.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of built-in braking PTS device of the present utility model；
Accompanying drawing 2 is along the sectional view of line A-A in accompanying drawing 1.
Wherein：1st, housing；2nd, brake pedal；21st, the first chute；3rd, the first push rod；4th, rack；5th, gear；6th, stroke passes
Sensor component；61st, case；62nd, circuit board；63rd, inductive magnetic steel；64th, wire harness；7th, bearing pin；8th, the second push rod；81st, the second chute.
Embodiment
The technical solution of the utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Referring to the built-in braking PTS device shown in Fig. 1 and Fig. 2, including housing 1, brake pedal 2,
One push rod 3, rack 4, the stroke sensing device assembly 6 of gear 5 and the stroke for detecting brake pedal 2.
Brake pedal 2 is the brake pedal of conventional vehicles, and the one end of brake pedal 2 is hinged on stepping on positioned at Vehicular body front
On board mount, the one end of the first push rod 3 can be rotated and can be slidably connected on brake pedal 2, and the first push rod 3 can
Slidably set with respect to housing 1.
It is connected specifically, brake pedal 2 is rotated with the one end of the first push rod 3 by bearing pin 7, on brake pedal 2
Provided with the first chute 21 extended along its length, bearing pin 7 is located in the first chute 21, can be in the transfer of the first chute 21
It is dynamic, and can slidably be set along the length bearing of trend of the first chute 21.When driver's brake pedal 2, braking is stepped on
Because of the operation stress of driver, the pin joint around itself and pedal support is rotated plate 2, and driver is acted on brake pedal 2
Power be transferred to the first push rod 3, the relative housing 1 of the first push rod 3 will be promoted to move along a straight line.
Rack 4 is mutually fixedly connected with the other end of the first push rod 3, and gear 5 can be rotatably arranged on housing 1, tooth
Bar 4 is meshed with gear 5, and when 3 relative housing 1 of the first push rod moves along a straight line, band carry-over bar 4 also does straight line with respect to housing 1
Motion, by engaging for rack 4 and gear 5, gear 5 is driven to be rotated relative to housing 1.
Stroke sensing device assembly 6 include be fixedly installed on housing 1 case 61, be arranged in case 61 be used for detect system
The sensor of the stroke of dynamic pedal 2, sensor are connected with Vehicle Controller by wire harness 64, and wire harness 64 uses automotive grade water-proof wire
Beam, the signal of brake pedal 2 that sensor detects in braking procedure is transferred in Vehicle Controller, the output of sensor
Signal can be arranged to analog signal output, pulse width signal output or serial communication signal by programming and be exported.
The material of case 61 is nylon.
Sensor is Hall type sensor, and stroke sensing device assembly 6 also includes the inductive magnetic steel being fixedly installed on gear 5
63, specifically, gear 5 has gear shaft, groove is provided with the center of gear shaft, inductive magnetic steel 63 is fixedly installed on the groove
In.The trip sensor cluster 6 is detected using hall principle, has contactless, high resolution, vibration resistance, wear-resistant, work(
Consume the advantages of small, reliability is high.
In order to improve measuring accuracy, the center of the central axis of sensor, the central axis of inductive magnetic steel 63 and gear 5
Axis extends optimal along same rectilinear direction.Even if deviation when mounted be present, also need to ensure the central axis of sensor, sensing
Eccentric throw between the central axis of magnet steel 63 and the central axis of gear 5 is no more than 0.5mm.
In the present embodiment, sensor uses chip type sensor, and it is integrally disposed on circuit board 62, and circuit board 62 is fixed
Be arranged on housing 1, in mounting circuit boards 62 on housing 1, it is necessary to ensure the central axis of the sensor on circuit board 62 with
The central axis of inductive magnetic steel 63 is located along the same line.
The material of inductive magnetic steel 63 can select neodymium iron boron (NdFeB), SmCo（SmCo）, aluminium nickel cobalt（ALNiCo）, nickel zinc
Ferrite（Ferrite）, Agglutinate neodymium-iron-boron（Bonded NdFeB）Deng one kind in permanent-magnet material.
The built-in braking PTS device also includes the second push rod that can be slidably arranged in housing 1
8, the glide direction of the second push rod 8 is identical with the glide direction of the first push rod 3, and the central axis of the second push rod 8 pushes away with first
The central axis of bar 3 extends along same rectilinear direction, and the second chute for sliding along direction extension is provided with the second push rod 8
81, the major part of rack 4 is arranged in the second chute 81 and can slidably set along the length bearing of trend of the second chute 81.
Second push rod 8 leaves 0 ~ 10mm gap, this reality between the end face of the first push rod 3 and the other end of the first push rod 3
Apply in example, the gap width is 5mm.When the first push rod 3 moves along a straight line because of the active force of brake pedal 2, it moves certain row
Cheng Houke promotes the second push rod 8 to be slided in housing 1.
The operation principle of the built-in braking PTS device is as follows：
When driver's brake pedal 2, rotated after the stress of brake pedal 2 around pin joint and promote the first push rod 3 to do
Linear motion, the first push rod 3 drive connected rack 4 to be slided in the second chute 81 of the second push rod 8 relative to the movement of housing 1
Dynamic, the now displacement of brake pedal 2 has been converted to the slide displacement of rack 4 by the first push rod 3, and rack 4 slides and and then band
Moving gear 5 rotates with respect to housing 1, while because being mounted with inductive magnetic steel 63, inductive magnetic steel 63 in the groove of gear shaft
Gear 5 is followed to rotate, the anglec of rotation change of inductive magnetic steel 63, the sensor detection that may be disposed on housing 1, and with
Certain electrical signal form output is delivered in Vehicle Controller.
Built-in braking PTS of the present utility model, can be in driver applies braking procedure, by first
The straight-line displacement of push rod is converted into rotational angle displacement by rack and pinion drive, and is passed by the stroke based on hall principle
Sensor exports the angular displacement as electronic signals, substantially increases the precision and reliability of the stroke detection of brake pedal.
And the device does not change the structure and mounting means of existing brake pedal unit, technique inheritance is good；The device is built in system
It is compact-sized in dynamic equipment.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of built-in braking PTS device, including housing, brake pedal, can turn with the brake pedal
The first push rod that is dynamic and being slidably connected, the brake pedal can be set relatively described housing into rotation, first push rod
Can relatively described housing slidably set, it is characterised in that：The sensor device also includes that institute can be slidably arranged in
State the stroke sensor of the rack in housing, the gear being meshed with the rack, stroke for detecting the brake pedal
Component, the rack are mutually fixedly connected with first push rod, and the gear can be rotatably arranged on the housing, described
Stroke sensing device assembly includes the sensor that fixed setting is used to detect the stroke of the brake pedal on the housing, described
Sensor is Hall type sensor, and the sensor electrically connects with Vehicle Controller, and the stroke sensing device assembly also includes solid
Surely the inductive magnetic steel being arranged on the gear.
2. built-in braking PTS device according to claim 1, it is characterised in that：The gear has
Gear shaft, the center of the gear shaft are provided with groove, and the inductive magnetic steel is fixedly installed in the groove.
3. built-in braking PTS device according to claim 1 or 2, it is characterised in that：The gear,
The central axis of the sensor and the inductive magnetic steel extends along same rectilinear direction.
4. built-in braking PTS device according to claim 1, it is characterised in that：The sensor is
Chip type sensor, the sensor are set in the circuit board, and the circuit board fixed setting is on the housing.
5. built-in braking PTS device according to claim 1, it is characterised in that：The sensor
Output signal is one kind in analog signal, pulse width signal and serial communication signal.
6. built-in braking PTS device according to claim 1, it is characterised in that：The inductive magnetic steel
Material is one kind in neodymium iron boron, SmCo, aluminium nickel cobalt, nickel-zinc ferrite, Agglutinate neodymium-iron-boron.
7. built-in braking PTS device according to claim 1, it is characterised in that：The brake pedal
It is connected with the one end of first push rod by bearing pin, the brake pedal is provided with first extended along its length and slided
Groove, the bearing pin can be slidably arranged in first chute along the length bearing of trend of first chute.
8. built-in braking PTS device according to claim 1, it is characterised in that：The sensor dress
Put the second push rod for also including to be slidably arranged in the housing, the glide direction of second push rod and described first
The glide direction of push rod is identical, and second push rod is provided with the second chute extended along the glide direction of second push rod,
The rack can be slidably arranged in second chute along the length bearing of trend of second chute.
9. built-in braking PTS device according to claim 8, it is characterised in that：First push rod
Extend with the central axis of second push rod along same rectilinear direction.
10. built-in braking PTS device according to claim 8, it is characterised in that：Described first pushes away
0 ~ 10mm gap is provided between bar and second push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795708.XU CN207106476U (en) | 2017-07-03 | 2017-07-03 | A kind of built-in braking PTS device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795708.XU CN207106476U (en) | 2017-07-03 | 2017-07-03 | A kind of built-in braking PTS device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207106476U true CN207106476U (en) | 2018-03-16 |
Family
ID=61587227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720795708.XU Active CN207106476U (en) | 2017-07-03 | 2017-07-03 | A kind of built-in braking PTS device |
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| Country | Link |
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| CN (1) | CN207106476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458358A (en) * | 2017-07-03 | 2017-12-12 | 清华大学苏州汽车研究院（相城） | A kind of built-in braking PTS device |
-
2017
- 2017-07-03 CN CN201720795708.XU patent/CN207106476U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458358A (en) * | 2017-07-03 | 2017-12-12 | 清华大学苏州汽车研究院（相城） | A kind of built-in braking PTS device |
| CN107458358B (en) * | 2017-07-03 | 2024-04-09 | 清华大学苏州汽车研究院（相城） | Built-in brake pedal stroke sensor device |
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