CN206541219U - The operating unit improved in terms of functional fault detection - Google Patents
The operating unit improved in terms of functional fault detection Download PDFInfo
- Publication number
- CN206541219U CN206541219U CN201720052963.5U CN201720052963U CN206541219U CN 206541219 U CN206541219 U CN 206541219U CN 201720052963 U CN201720052963 U CN 201720052963U CN 206541219 U CN206541219 U CN 206541219U
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- operating
- operating unit
- unit
- optical signal
- resting position
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 230000000284 resting effect Effects 0.000 claims abstract description 40
- 230000003287 optical effect Effects 0.000 claims abstract description 33
- 230000005622 photoelectricity Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000004913 activation Effects 0.000 claims abstract description 3
- 230000006870 function Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/10—Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
Abstract
The utility model is related to a kind of operating unit (1), and it has bearing (7)；It can swing on bearing (7) and from resting position the operating parts (2) of at least one operating position；The switching device (3,4,5,6) acted synergistically with operating parts (2), its effect is that operating position is mapped with switching function；Position sensor (8)；Transmission device (11,12,13,14,15), its effect is by operating parts (2) activation point sensor (8)；Photoelectricity fence (9,10), it has a transmitter (9) for providing detection optical signal (17a, 17b) and at least one receiver (10) for being used to receive detection optical signal, its Position Sensor (8) and detection optical signal (17a, 17b) cooperating, to detect the situation that operating parts (2) leaves resting position by detection optical signal (17a, 17b).
Description
Technical field
The present invention relates to a kind of operating unit particularly for automobile, it is comprising bearing, on bearing and can be from
Resting position swings to the operating parts of at least one operating position, the switching device with operating parts synergy, so that switching function
It is mapped with operating position.
Background technology
Standard ISO 26262 is had to comply with automobile R＆D process in terms of security, the standard is according to functional fault
Severity degree and probability of happening part is mapped with ASIL grades.It can be drawn according to ASIL classifications, it is necessary to
The specific counter-measure of how degree is provided to prevent above-mentioned functions failure.The operating unit of speed adjusting device must expire
Security requirement as defined in foot, prevents functional fault in case of emergency occur, accidental operation especially occur or ensure dress
Put reliable closing.Because unexpected triggering speed adjusting device or speed adjusting device can not be closed due to technical failure, all
It may cause that driver is uncontrollable, jeopardize safe travel conditions.Above-mentioned security requirement (such as) passes through so-called peace
Full integrity levels (SIL) pass through security requirement grade, i.e. so-called automotive safety integrity level in automotive field
(ASIL) provide.
From the b levels of above hierarchy system, it is desirable to touched for each operating position design of operating unit with dual-switch
The switching device of point.When being related to multistage operations unit, in order to control multiple switch function to connect other one by operating parts
Individual or multiple switch contact, the redundancy wherein required by switch contact needs very big structure space and with high costs, causes
Additional security measure can not be realized according to the rules.
The content of the invention
In this context, a kind of operating unit is to provide as basic object of the present invention, the operating unit meets security
The high request of aspect can simultaneously be realized in the case where reducing cost and saving installing space.The behaviour that above-mentioned purpose passes through claim
Make unit realization.Preferred embodiment is the theme of dependent claims.Equally advantageous configuration structure and application is power arranged side by side
The theme that profit is required.It is to be noted that：The feature individually listed in every claim can by it is arbitrary, in technology
Upper reasonable manner is combined, and thereby produces other embodiments of the present invention.In addition declaratives, especially combine it is attached
The done explanation of figure describes the feature of the present invention and the present invention is elaborated.
The present invention relates to a kind of operating unit, it include bearing and on bearing and can be swung to from resting position to
The operating parts of a few operating position.Operating unit, which preferably has, can swing to the operating parts of multiple operating positions, wherein to be each
Operating position is designed with respective switch device.Such as operating parts is in two directions swung on each direction from central rest position
At least one operating position.In another embodiment, operating parts returning device is designed with and/or for reaching
The device of clamping sense is produced during a few operating position.Further according to the present invention, design and opening that operating parts acts synergistically also are needed
Device is closed, so as to which operating position is mapped with switching function.
Concept " switching device " should be construed broadly, comprising with noncontact or the way of contact and operating parts synergy
Switching device.Wherein prioritizing selection electromechanical switch device, is preferably at least one switch contact.The latter is for example with button
Or the contact top limited by switching mat.
According to the present invention, operating unit have position sensor and for by operating parts come the biography of activation point sensor
Dynamic device.Transmission device is preferably designed in such a way：Motion of the position sensor with operating parts in the range of its pendulum is basic
It is synchronous, conflict wherein being not construed as existing with basic synchronization motion by idle stroke caused by necessary transmission device gap.
In order to ensure realizing high detection resolution, transmission device is designed on the driving direction from operating parts to position sensor
Variable transmission mechanism.
Also need to design photoelectricity fence further according to the present invention.Photoelectricity fence has the reception for being used for providing detection optical signal
Device, the spectrum of optical signal is located in visible-range, it is (infrared to (1mm and 780nm is included) between 780nm to be preferably located at 1mm
Line).In addition photoelectricity fence also includes at least one receiver, for receiving detection optical signal and providing with being received detection light letter
The output signal that number intensity is directly proportional.
According to the present invention, position sensor cooperates with detection optical signal, so as to by detection optical signal detection to behaviour
Workpiece leaves the situation of resting position.By the position of optically policer operation part, relatively simple and low abrasion form can be passed through
Realize that functional fault is monitored.
Analytic unit is additionally designed, it exists between switching device and photoelectricity fence electrically connects, and only works as photoelectricity
It is same before the on off state of switching device changes or with the on off state change of switching device that fence detects operating parts
When leaving resting position, analytic unit can just make operating position be mapped with switching function.
In one embodiment, photoelectricity fence and position sensor are arranged in such a way：Led by detection optical signal
Electrical output signal cause, at least one receiver constantly increases to maximum from the minimum value corresponding with resting position, should
Maximum is corresponding with position outside resting position, between operating parts maximum position and resting position.But use
Design below advantageously：Caused by detection optical signal, the electrical output signal of at least one receiver from resting position phase
Corresponding maximum is constantly decreased to minimum value, outside the minimum value and resting position, positioned at maximum position and resting position
Between position it is corresponding, so as to more accurately monitor resting position.
It is preferred that being designed between resting position and at least one operating position or all operating positions relative with minimum value
The position answered.
According to a preferred embodiment of the invention, position sensor is rockably mounted on bearing.Operating parts
The swinging axle of swinging axle and position sensor is preferably parallel to each other.For example position sensor can according to operating parts put direction put to
Show in the detection optical signal produced by the transmitter of photoelectricity fence or therefrom.
Position sensor is preferably designed to optical conductor, and it may, for example, be transparent or translucent plastic part.Light guide
Body can for example be designed in such a way：It is at least in resting position, preferably in resting position and the position corresponding to minimum value
Conduction light in range of movement between putting, and detection optical signal is deflected at least one receiver from transmitter.
According to an alternate embodiment of operating unit, position sensor is designed to a baffle plate and for example according to behaviour
Workpiece swaying direction is put in the detection optical signal produced to the transmitter by photoelectricity fence or therefrom showed.
According to a preferred embodiment of the invention, at least a portion of photoelectricity fence uses Redundancy Design.Such as light
Electric palisade at least has two receivers.
Can be according to the design, transmission device for operating parts oscillating motion to be transferred to position sensor of the invention
Such as gear drive.In order to save structure space and reduce production cost, transmission device of the present invention is a kind of lever
Transmission mechanism.
In order to ensure realizing that pinpoint accuracy is detected, position sensor is put to the pivot angle corresponding to operating position from resting position
Put with operating parts from resting position to the transmission existed between the pivot angle corresponding to operating position more than 1, more preferably at least 2.0
Than.
In order to avoid functional fault, switching device is in each operating position in the preferred embodiment of an operating unit
With multiple switch contact.The switch dome designed by one or more elastomeric material engagement pad, switch dome can for example be used
Acted synergistically with circuit board contacts face, and when operating parts is put to operating position while changing its on off state.
Further according to another design structure of operating unit of the present invention, analytic unit described above is devised,
Only operating position is just mapped by analytic unit with switching function in a case where：In switch dress within the defined time
Put on off state change before or while switching device on off state changes by photoelectricity fence detect operating parts from
Open resting position.Maloperation and/or functional fault can be avoided using this design.
In addition subject of the present invention also includes being made up of the operating unit in one of steering wheel and above-mentioned preferred embodiment
Structure, wherein operating unit is fixed on steering wheel, so as to produce a kind of so-called multi-functional steering wheel.For example operate single
Member is desirably integrated into the steering wheel spoke of connection buffer and steering wheel outer shroud.Because according to present invention employs save structure
The design in space, so.Operating unit is readily integrated into the volume of common handle spoke.
Another theme of the present invention is using in the car by the operating unit described in one of above-described embodiment.The present invention
The operating unit is particularly useful for speed adjusting device.Speed adjusting device (GRA) is otherwise known as Tempomat (Daimlers
The automobile brand of joint-stock company), Tempostat (Porsche) or Tempopi lot, be a kind of device used in automobile,
It can automatically adjust engine speed, automobile is kept travel speed set by driver as far as possible.
Brief description of the drawings
The present invention is expanded on further below according to accompanying drawing.Accompanying drawing is example, only describes a kind of constructional variant.Wherein：
Fig. 1 shows a kind of critical piece perspective view of embodiment of operating unit 1 of the present invention；
Fig. 2 shows the sectional view of operating unit 1 according to embodiments of the present invention shown in Fig. 1, and wherein operating unit 1 is located at
Resting position；
Fig. 3 shows the sectional view of operating unit 1 according to embodiments of the present invention, the wherein position of operating unit 1 shown in Fig. 1
It is set to one of two operating positions；And
Fig. 4 shows another sectional view of operating unit 1 according to embodiments of the present invention shown in Fig. 1, the sectional view
It is vertical with section shown in Fig. 2.
Embodiment
Fig. 1 shows an embodiment of operating unit 1 of the present invention by a perspective view, wherein in order to more preferable
Ground recognizes some parts that bearing 7 is eliminated in the critical component of operating unit 1 of the present invention, Fig. 1.Except circuit board it
Outside, bearing 7 is also comprising the support do not stated in a figure, and operating parts 2 is arranged on this support and can be around swinging axle 17
Swing.Operating parts 2 can swing to affiliated operating position from the resting position described in Fig. 1, along two opposite swaying directions.Figure
Embodiment shown in 2 shows two operating positions equivalent to the terminal position of operating parts 2, naturally it is also possible in the middle of supplementing
Position and respective switch device design more operating positions.Operating parts 2 acts on tappet 3,4 by side direction overhanging rail, and tappet passes through
Its linear displacement produced acts on affiliated switch contact 5,6.Caused, two switch contacts 5,6 on each operating position
On off state change, monitored by an analytic unit 16, so as to when necessary will reach the operative position of operating parts 2
Situation about putting is mapped with switching function.In operating unit 1 of the present invention design, this correspondence is by analytic unit 16
Realized according to situations below：On the one hand whether the on off state on two switch contacts 5 and 6 generates change, on the other hand this
Whether change is completed at the appointed time, and this time is triggered by leaving the resting position of operating parts 2, can be such as tens millis
Second.
The situation that operating parts 2 leaves resting position is detected by swingable position sensor 8, its oscillating motion basic synchronization
Carry out and driven by operating parts 2.Be designed with for this between position sensor 8 and operating parts 2 lever transmission mechanism 11,12,13,
14th, the transmission device of 15 forms.The radial direction extension 13 of operating parts 2 constitutes an input lever.This root input lever has
One groove 14, one has rigidly connected lever 15 with position sensor 8 and plug 12 is embedded in this groove, and lever 15 is pacified
It can swing on bearing and around rotating shaft 11.Rotating shaft 11 defines a swinging axle 18 parallel to swinging axle 17, as before
Described, the latter constitutes the swinging axle of operating parts 2.
The recess of lever 15 is extended through as the position sensor 8 of optical conductor and there is material fit company with this lever
Connect, therewith to swing.In the resting position of operating parts 2, i.e. in the resting position of position sensor 8, position sensor 8
There is a photoelectricity fence being made up of a transmitter 9 and two receivers 10 in side, it is fixed on bearing 7.Send
Device 9 and receiver use SMD structure types, and point to the position sensing in resting position along launching or receiving direction
Device 8.Transmitter 9 produces a detection optical signal being located in infrared range of spectrum, and the signal is detected by receiver 10, is received
The electrical output signal of device is analyzed by analytic unit 16.
As can be seen from Figure 2：Position sensor 8 is oriented in such a way in resting position shown in Fig. 2：In this position
The optical transport of transmitter 9 is optimal, and light ray parallel is transmitted to two receivers 10, and increases with the swing angle of operating parts 2, position
Showed in putting the light cone of detection optical signal produced by transmitter 9 of sensor 8, so with the angle of oscillation since resting position
The increase of degree, receiver output signal is constantly reduced to minimum value from a maximum, as shown in Figure 3.
The gearratio of leverage 11,12,13,14,15 is defined as the pivot angle β (beta) of position sensor 8 and operating parts 2
The ratio between pivot angle a (alpha), ratio is more than 1, preferably not less than 2, due to the presence of this gearratio, static around operating parts 2
The process that minimum value is dropped in the range of the smaller angle of position is quickly completed, and analytic unit 16 can pass through pair with setting
Compare accurately to detect the situation that operating parts 2 leaves resting position.
Below according to Fig. 4 illustrate by a dotted line 15 detection optical signal 17a, 17b represented by optical conductor 8 from transmitter 8
Transmit to the process of receiver 10.Detection optical signal 17a, the 17b launched by transmitter 9 is adjusted by the lens 8d of optical conductor
Standard, is then deflected at plane 8c along the direction parallel with the axis 18 of rotating shaft 11, and is directed to plane 8a and 8b, the two
The effect of plane is distribution light and makes light deflection to the detection optical signal direction opposite with the direction of the launch of transmitter 9.Leave
After optical conductor 8, in optical conductor resting position, detection optical signal 17a, 17b are received and converted into and connect by receiver 10 is parallel
The electrical output signal that the luminous intensity received is directly proportional, these signals are transported to analytic unit 16, and analytic unit is according to receiving
Output signal inspection：Whether can be changed by output signal and (herein refer to diminish relative to maximum corresponding to resting position),
Confirm at the appointed time in advance or produce simultaneously and detect switching device 3,4,5,6 on off state change, only when
When analytic unit 16 confirms that the on off state of switching device 3,4,5,6 changes, this change just can be with a switching function
It is mapped and triggers a switching process.
Claims (14)
1. a kind of operating unit (1), it has bearing (7)；It can swing on bearing (7) and from resting position at least one
The operating parts (2) of individual operating position；The switching device (3,4,5,6) acted synergistically with operating parts (2), its effect is by operative position
Put and be mapped with switching function；Position sensor (8)；Transmission device (11,12,13,14,15), it is by operation that it, which is acted on,
Part (2) activation point sensor (8)；Photoelectricity fence (9,10), it has the transmitter for providing detection optical signal (17a, 17b)
(9) and at least one be used for receive detection optical signal receiver (10), its Position Sensor (8) with detection optical signal
(17a, 17b) cooperating, to detect the situation that operating parts (2) leaves resting position by detection optical signal (17a, 17b).
2. operating unit (1) according to claim 1, its Position Sensor (8) is rockably mounted to bearing (7)
On.
3. operating unit (1) according to claim 1, its Position Sensor (8) is designed to optical conductor.
4. operating unit (1) according to claim 1, its Position Sensor (8) is designed to baffle plate.
5. operating unit (1) according to claim 1, wherein photoelectricity fence (9,10) at least part of use redundancy set
Meter.
6. operating unit (1) according to claim 1, wherein photoelectricity fence (9,10) and position sensor (8) according to
Under type is designed：Electrical output signal produced by detection optical signal, at least one receiver (10) is from corresponding to resting position
Maximum be constantly decreased to minimum value, outside the minimum value and resting position, between maximum position and resting position
Position is corresponding.
Passed 7. operating unit (1) according to claim 1, wherein transmission device (11,12,13,14,15) are a kind of levers
Motivation structure.
8. operating unit (1) according to claim 1, position sensor (8) puts right to operating position institute from resting position
The pivot angle (β) and operating parts answered are put between the pivot angle (α) corresponding to operating position from resting position, there is at least 2.0
Gearratio.
9. operating unit (1) according to claim 1, with multiple operating positions and corresponding with operating position open
Close device.
10. operating unit (1) according to claim 1, wherein switching device has multiple switch in each operating position
Contact (5,6).
11. operating unit (1) according to claim 1, also with switching device (3,4,5,6) and photoelectricity fence (9,
10) there is the analytic unit (16) being conductively connected, analytic unit is according to design claimed below：Only when photoelectricity fence (9,10) is visited
When measuring operating parts (2) and leaving resting position, operating position just can be when switching device (3,4,5,6) on off state changes
It is mapped with switching function.
12. operating unit (1) according to claim 11, analytic unit (16) should also be according to claimed below in design side：
Only change it in switching device (3,4,5,6) on off state at the appointed time when photoelectricity fence (9,10) detects operating parts
Before when leaving resting position, analytic unit can just make operating position be mapped with switching function.
13. by steering wheel and configuration structure that the operating unit according to one of claim 1 to 12 (1) is constituted, wherein
Operating unit (1) is installed on the steering wheel.
14. the application of operating unit (1) in the car according to one of claim 1 to 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016101024.3A DE102016101024B4 (en) | 2016-01-21 | 2016-01-21 | Control element with improved malfunction detection |
| DE102016101024.3 | 2016-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541219U true CN206541219U (en) | 2017-10-03 |
Family
ID=59295645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720052963.5U Active CN206541219U (en) | 2016-01-21 | 2017-01-16 | The operating unit improved in terms of functional fault detection |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206541219U (en) |
| DE (1) | DE102016101024B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895424A (en) * | 2018-09-12 | 2020-03-20 | 普瑞有限公司 | Method for mounting an actuating element having a spring-based latching haptic and actuating element |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006031410B4 (en) * | 2005-07-05 | 2010-12-02 | Preh Gmbh | Electric switch for a motor vehicle |
| DE102006061121B4 (en) * | 2006-12-22 | 2009-11-26 | Preh Gmbh | Electric switch for a motor vehicle |
| DE202014102504U1 (en) * | 2014-05-28 | 2014-06-27 | Preh Gmbh | Swivel control element with multifunctional leaf spring |
-
2016
- 2016-01-21 DE DE102016101024.3A patent/DE102016101024B4/en active Active
-
2017
- 2017-01-16 CN CN201720052963.5U patent/CN206541219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895424A (en) * | 2018-09-12 | 2020-03-20 | 普瑞有限公司 | Method for mounting an actuating element having a spring-based latching haptic and actuating element |
| CN110895424B (en) * | 2018-09-12 | 2022-01-04 | 普瑞有限公司 | Method for mounting an actuating element having a spring-based latching haptic and actuating element |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016101024A1 (en) | 2017-07-27 |
| DE102016101024B4 (en) | 2021-08-05 |
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