CN110303998A - The anti-pinch temperature-compensation method and electronic control unit of equipment are closed on vehicle - Google Patents
The anti-pinch temperature-compensation method and electronic control unit of equipment are closed on vehicle Download PDFInfo
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- CN110303998A CN110303998A CN201910573519.1A CN201910573519A CN110303998A CN 110303998 A CN110303998 A CN 110303998A CN 201910573519 A CN201910573519 A CN 201910573519A CN 110303998 A CN110303998 A CN 110303998A
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- Prior art keywords
- vehicle
- temperature
- closed
- equipment
- ambient temperature
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/48—Detection using safety edges by transmission of mechanical forces, e.g. rigid or movable members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The anti-pinch temperature-compensation method and electronic control unit of equipment are closed on a kind of vehicle.Anti-pinch temperature-compensation method includes: to obtain vehicle ambient temperature；Compare the vehicle ambient temperature and preset threshold；And it when the vehicle ambient temperature is lower than the preset threshold, is generated using the vehicle ambient temperature with reference to resistance curve.The anti-pinch temperature-compensation method and electronic control unit that equipment is closed on vehicle of the invention can be effectively reduced the generation that the mistake reversion of equipment is closed on vehicle, and improve the robustness of system.
Description
Technical field
The present invention relates to body electronics field, in particular to the anti-pinch temperature-compensation method and electricity of equipment are closed on a kind of vehicle
Sub-control unit.
Background technique
The closure equipment such as skylight, side window, automatic tail-gate on existing vehicle all has pinch resistant functionality.Closure on vehicle
Equipment is to realize anti-pinch by the following method: (1) resistance curve of study closure equipment when closed before vehicle release,
Using the resistance curve learnt as resistance curve is referred to, and stored；(2) in the practical closing closure equipment of user, inspection
True drag data is surveyed, difference is taken with reference to drag data with reference to corresponding in resistance curve to true drag data, if difference
Greater than corresponding anti-pinch threshold value, then start pinch resistant functionality.
Since the true resistance that temperature bears closure equipment when closed has large effect, in order to prevent
The generation of reversion is missed, usually there is temperature-compensating in existing anti-pinch algorithm.That is, existing anti-pinch algorithm can utilize temperature
Degree parameter is more accurate with reference to resistance curve to generate.Although being closed on vehicle however, having had temperature-compensating in anti-pinch algorithm
The mistake reversion for closing equipment still happens occasionally.
Summary of the invention
Problems solved by the invention is to provide the anti-pinch temperature-compensation method that equipment is closed on a kind of vehicle and electronic control is single
Member can be effectively reduced the generation for being closed the mistake reversion of equipment on vehicle, and improve the robustness of system.
To solve the above-mentioned problems, an aspect of of the present present invention provides the anti-pinch temperature-compensating side that equipment is closed on a kind of vehicle
Method, comprising: obtain vehicle ambient temperature；Compare the vehicle ambient temperature and preset threshold；And when the extraneous temperature of the vehicle
When degree is lower than the preset threshold, generated using the vehicle ambient temperature with reference to resistance curve.
Another aspect provides the electronic control units that equipment is closed on a kind of vehicle comprising: communication bus
Port；Microcontroller is suitable for obtaining vehicle ambient temperature, and the vehicle ambient temperature by the communication bus port
And preset threshold generates ginseng using the vehicle ambient temperature when the vehicle ambient temperature is lower than the preset threshold
Examine resistance curve.
Compared with prior art, above scheme has the advantage that
The anti-pinch temperature-compensation method and electronic control unit of equipment are closed on vehicle of the invention, it is low in vehicle ambient temperature
When preset threshold, generated using vehicle ambient temperature with reference to resistance curve, when vehicle ambient temperature is higher than preset threshold,
It is generated using the environment temperature that temperature sensor senses with reference to resistance curve, this improves input when carrying out temperature-compensating
The accuracy of temperature parameter also just improves the accuracy of the reference resistance curve of generation, ensure that anti-pinch temperature-compensation method,
The robustness of electronic control unit can be effectively reduced the generation of accidentally reversion.In addition, anti-pinch temperature-compensation method, electronics control
Unit processed this can obtain temperature parameter from two from communication bus port and temperature sensor, and which increase the redundancies of temperature signal
Degree, equally enhances the robustness of anti-pinch temperature-compensation method, electronic control unit.
Detailed description of the invention
Fig. 1 instantiates the signal that the electronic control unit of equipment is closed on the vehicle of one or more embodiments according to the present invention
Figure；
Fig. 2 instantiates the anti-pinch temperature-compensation method that equipment is closed on the vehicle of one or more embodiments according to the present invention
Flow diagram；
Fig. 3 instantiates the anti-pinch temperature-compensation method that equipment is closed on the vehicle of one or more embodiments according to the present invention
Flow diagram；
Fig. 4 instantiates preset threshold, the environment temperature of electronic control unit of one or more embodiments according to the present invention
With the schematic diagram of vehicle ambient temperature；
Fig. 5 instantiates the true resistance curve of one or more embodiments according to the present invention and the signal with reference to resistance curve
Figure.
Specific embodiment
In the following description, numerous specific details are set forth to make person of ordinary skill in the field more fully
Understand the present invention.But for the technical staff in technical field it is evident that realization of the invention can not have these
It is some in detail.However, it should be understood that the specific embodiment that the present invention is not limited to be introduced.On the contrary, can be with
Consider to implement the present invention with any combination of following feature and element, regardless of whether they are related to different embodiments.
Therefore, aspect, feature, embodiment and advantage below is used for illustrative purposes only and is not construed as the element or limit of claim
It is fixed, unless clearly proposing in the claims.
As described in the background section, although having had temperature-compensating in existing anti-pinch algorithm, equipment is closed on vehicle
Mistake reversion still happen occasionally.For this defect, present inventor is the study found that be closed the electronics of equipment on existing vehicle
Control unit (Electronic Control Unit, ECU) is using inside electronic control unit when realizing temperature-compensating
The temperature that senses of temperature sensor.However, having the calorific values such as microcontroller, amplifying circuit larger in electronic control unit
Component, the scheme of motor is especially integrated in electronic control unit, this results in the temperature sensing in electronic control unit
The temperature that device senses is usually above temperature locating for closure equipment on vehicle.Due to using the temperature sensing in electronic control unit
The temperature that device senses carries out temperature-compensating and inaccurate, can not be closed true temperature locating for equipment on reacting vehicle, this
The mistake reversion for having resulted in being closed equipment on vehicle happens occasionally.This can be overcome to lack in this regard, present inventor proposes one kind
Sunken anti-pinch temperature-compensation method and electronic control unit.
Fig. 1 instantiates the signal that the electronic control unit of equipment is closed on the vehicle of one or more embodiments according to the present invention
Figure.Refering to what is shown in Fig. 1, the electronic control unit 100 for being closed equipment on vehicle includes microcontroller (Microcontroller
Unit, MCU) 110, communication bus port 120 and temperature sensor 130.
Communication bus port 120 is connect with microcontroller 110.Microcontroller 100 can be obtained by communication bus port 120
Pick-up ambient temperature.In one or more embodiments, communication bus port 120 can also be with the car body control module of vehicle
The connection of (Body Control Module, BCM) 900.Microcontroller 110 can be by communication bus port 120 from Body Control
Vehicle ambient temperature is obtained at module 900.It should be noted that microcontroller 110 can also by communication bus port 120 from
Other modules on vehicle obtain vehicle ambient temperature.In one or more embodiments, communication bus port 120 may include
One or more port in CAN bus, LIN bus etc..
Microcontroller 110 can compare vehicle ambient temperature and preset threshold, work as vehicle after obtaining vehicle ambient temperature
When ambient temperature is lower than preset threshold, generated using vehicle ambient temperature with reference to resistance curve.Wherein, preset threshold can lead to
Many experiments are crossed to determine, or empirical value.It can be by a series of pass with closure equipment on vehicle with reference to resistance curve
The relevant drag data of closed position is constituted, corresponding with reference to Resistance Value for characterizing any closed position.Wherein, come using temperature
It participates in generating and is not belonging to emphasis of the invention with reference to resistance curve, and belong to the prior art, therefore be not unfolded to describe herein.
Temperature sensor 130 is connect with microcontroller 110.Temperature sensor 130 is for sensing electronic control unit 100
Environment temperature.It is micro- when microcontroller 110 is higher than preset threshold by the vehicle ambient temperature that communication bus port 120 obtains
Controller 110 is generated using the environment temperature that temperature sensor 130 senses with reference to resistance curve.In one or more embodiments
In, temperature sensor 130 can be set on same printed circuit board with microcontroller 110.In one or more embodiments,
Temperature sensor 130 can be arranged near the motor integrated in electronic control unit.
When vehicle ambient temperature is lower than preset threshold, electronic control unit 100 generates ginseng using vehicle ambient temperature
Resistance curve is examined, when vehicle ambient temperature is higher than preset threshold, electronic control unit 100 is sensed using temperature sensor 130
To environment temperature generate with reference to resistance curve, this improves the accuracy of the temperature parameter of input when carrying out temperature-compensating,
Also the accuracy for just improving the reference resistance curve of generation, ensure that the robustness of electronic control unit 100, can be effectively
Reduce the generation of accidentally reversion.In addition, electronic control unit 100 can from communication bus port 120 and temperature sensor 130 this two
Place obtains temperature parameter, and which increase the redundancies of temperature signal, equally enhance the robustness of electronic control unit 100.
It should be noted that being closed equipment on vehicle described in the application context may include skylight, side window, automatic moving door
With one of automatic tail-gate or a variety of.
Fig. 2 instantiates the anti-pinch temperature-compensation method that equipment is closed on the vehicle of one or more embodiments according to the present invention
Flow diagram.Anti-pinch temperature-compensation method 200 can be performed in electronic control unit 100 as shown in Figure 1, especially
Ground is performed in microcontroller 110.Refering to what is shown in Fig. 2, anti-pinch temperature-compensation method 200 includes the following steps:
Step 210: obtaining vehicle ambient temperature；
Step 220: comparing vehicle ambient temperature and preset threshold；
Step 230: when vehicle ambient temperature is lower than preset threshold, generated using vehicle ambient temperature with reference to resistance song
Line.
In step 210, microcontroller 110 can obtain vehicle from the car body control module 900 of vehicle by communication bus
Ambient temperature.Certainly, microcontroller 110 can also obtain the extraneous temperature of vehicle from other modules on vehicle by communication bus
Degree, the present invention does not limit this.In one or more embodiments, communication bus may include CAN bus, LIN total
One of line etc. is a variety of.
In step 220, the vehicle ambient temperature that microcontroller 110 will acquire is compared with preset threshold.Wherein, it presets
Threshold value can be determined by many experiments, or empirical value.
In step 230, when vehicle ambient temperature is lower than preset threshold, microcontroller 110 is come using vehicle ambient temperature
It generates and refers to resistance curve.It participates in generating due to using temperature and is not belonging to emphasis of the invention with reference to resistance curve, and belong to
The prior art, therefore be not unfolded to describe herein.
Fig. 3 instantiates the anti-pinch temperature-compensation method that equipment is closed on the vehicle of one or more embodiments according to the present invention
Flow diagram.Anti-pinch temperature-compensation method 300 can be performed in electronic control unit 100 as shown in Figure 1, especially
Ground is performed in microcontroller 110.Refering to what is shown in Fig. 3, anti-pinch temperature-compensation method 300 includes
Step 310: obtaining vehicle ambient temperature；
Step 320: obtaining the environment temperature that the electronic control unit of equipment is closed on vehicle；
Step 330: judging whether vehicle ambient temperature is lower than preset temperature；If vehicle ambient temperature is lower than preset temperature,
Then follow the steps 340；Otherwise, step 350 is executed；
Step 340: being generated using vehicle ambient temperature with reference to resistance curve；
Step 350: use environment temperature is generated with reference to resistance curve.
It should be noted that the sequence of each step is not intended to limit the present invention in anti-pinch temperature-compensation method 300.Example
Such as, step 310 and step 320 can be performed simultaneously.In another example step 320 can be performed prior to step 310.
In step 310, microcontroller 110 can obtain vehicle from the car body control module 900 of vehicle by communication bus
Ambient temperature.Certainly, microcontroller 110 can also obtain the extraneous temperature of vehicle from other modules on vehicle by communication bus
Degree, the present invention does not limit this.In one or more embodiments, communication bus may include CAN bus, LIN total
One of line etc. is a variety of.
In step 320, microcontroller 110 can by the temperature sensor 130 that is set in electronic control unit 100 come
Obtain environment temperature.
In step 330: the vehicle ambient temperature that microcontroller 110 will acquire is compared with preset threshold.Wherein, it presets
Threshold value can be determined by many experiments, or empirical value.
In step 340, when vehicle ambient temperature is lower than preset threshold, microcontroller 110 is come using vehicle ambient temperature
It generates and refers to resistance curve.It participates in generating due to using temperature and is not belonging to emphasis of the invention with reference to resistance curve, and belong to
The prior art, therefore be not unfolded to describe herein.
In step 350, when vehicle ambient temperature is higher than preset threshold, microcontroller 110 uses electronic control unit 100
Environment temperature generate with reference to resistance curve.
When vehicle ambient temperature is lower than preset threshold, anti-pinch temperature-compensation method 200,300 uses vehicle ambient temperature
It generates with reference to resistance curve, when vehicle ambient temperature is higher than preset threshold, anti-pinch temperature-compensation method 200,300 uses temperature
The environment temperature that sensor 130 senses is spent to generate with reference to resistance curve, this improves the temperature of input when carrying out temperature-compensating
The accuracy for spending parameter, also just improves the accuracy of the reference resistance curve of generation, ensure that anti-pinch temperature-compensation method
200,300 robustness can be effectively reduced the generation that the mistake reversion of equipment is closed on vehicle.In addition, anti-pinch temperature-compensating side
Method 200,300 has used this from communication bus port 120 and temperature sensor 130 to obtain temperature parameter from two, and which increase temperature
The redundancy for spending signal, equally enhances the robustness of anti-pinch temperature-compensation method 200,300.
Fig. 4 instantiates preset threshold, the environment temperature of electronic control unit of one or more embodiments according to the present invention
With the schematic diagram of vehicle ambient temperature.Wherein, abscissa t represents the time, and ordinate T represents temperature.Fig. 5 is instantiated according to this hair
The true resistance curve of bright one or more embodiment and the schematic diagram of reference resistance curve.Wherein, abscissa P is represented and is closed on vehicle
The closed position of equipment is closed, ordinate F represents resistance.In conjunction with shown in reference Fig. 4 and Fig. 5, within a period, there is default threshold
Value Tth, electronic control unit environment temperature TeoWith vehicle ambient temperature Tvo.Wherein, Tth>Teo>Tvo.Due to the extraneous temperature of vehicle
Spend TvoLower than preset threshold Tth, therefore, microcontroller 110 uses vehicle ambient temperature TvoIt generates with reference to resistance curve, it can be with
Obtain the reference resistance curve 530 in Fig. 5.It can be found that true resistance curve 510 with have always with reference to resistance curve 530 compared with
Small difference, therefore will not occur accidentally to invert.As a comparison, using in the prior art according only to the environment temperature of electronic control unit
Spend the reference resistance curve 520 to generate with reference to resistance curve, in available Fig. 5.It can be found that true resistance curve 510
There is biggish difference after the p0 of position with reference resistance curve, this will lead to the generation accidentally inverted.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel, made various changes and modification, should all be included in protection model of the invention without departing from the spirit and scope of the present invention
In enclosing, therefore protection scope of the present invention should be defined by the scope defined by the claims..
Claims (10)
1. being closed the anti-pinch temperature-compensation method of equipment on a kind of vehicle characterized by comprising
Obtain vehicle ambient temperature；
Compare the vehicle ambient temperature and preset threshold；And
When the vehicle ambient temperature is lower than the preset threshold, generated using the vehicle ambient temperature with reference to resistance song
Line.
2. being closed the anti-pinch temperature-compensation method of equipment on vehicle as described in claim 1, which is characterized in that the vehicle is extraneous
Temperature is obtained by communication bus from car body control module.
3. being closed the anti-pinch temperature-compensation method of equipment on vehicle as described in claim 1, which is characterized in that further include:
Obtain the environment temperature that the electronic control unit of equipment is closed on the vehicle；And
When the vehicle ambient temperature is higher than the preset threshold, generated using the environment temperature described bent with reference to resistance
Line.
4. being closed the anti-pinch temperature-compensation method of equipment on vehicle as claimed in claim 3, which is characterized in that the environment temperature
It is obtained by the temperature sensor sensing being set in the electronic control unit.
5. being closed the anti-pinch temperature-compensation method of equipment on vehicle as described in claim 1, which is characterized in that be closed on the vehicle
Equipment includes one of skylight, side window, automatic moving door and automatic tail-gate or a variety of.
6. being closed the electronic control unit of equipment on a kind of vehicle characterized by comprising
Communication bus port；
Microcontroller is suitable for obtaining vehicle ambient temperature, and the vehicle ambient temperature by the communication bus port
And preset threshold generates ginseng using the vehicle ambient temperature when the vehicle ambient temperature is lower than the preset threshold
Examine resistance curve.
7. being closed the electronic control unit of equipment on vehicle as claimed in claim 6, which is characterized in that the microcontroller passes through
The communication bus port obtains the vehicle ambient temperature from car body control module.
8. being closed the electronic control unit of equipment on vehicle as claimed in claim 6, which is characterized in that further include temperature sensing
Device, suitable for sensing the environment temperature of the electronic control unit；When the vehicle ambient temperature is higher than the preset threshold,
The microcontroller is generated using the environment temperature with reference to resistance curve.
9. on vehicle as claimed in claim 8 be closed equipment electronic control unit, which is characterized in that the temperature sensor with
The microcontroller is set on same printed circuit board.
10. being closed the electronic control unit of equipment on vehicle as claimed in claim 6, which is characterized in that closure is set on the vehicle
Standby includes one of skylight, side window, automatic moving door and automatic tail-gate or a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573519.1A CN110303998B (en) | 2019-06-28 | 2019-06-28 | Anti-pinch temperature compensation method for on-board closing equipment and electronic control unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573519.1A CN110303998B (en) | 2019-06-28 | 2019-06-28 | Anti-pinch temperature compensation method for on-board closing equipment and electronic control unit |
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| CN110303998A true CN110303998A (en) | 2019-10-08 |
| CN110303998B CN110303998B (en) | 2023-01-03 |
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| CN107975316A (en) * | 2017-11-15 | 2018-05-01 | 郑州精益达汽车零部件有限公司 | Electronic passenger doors intelligence control system and anti-clamping method |
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| US20030222610A1 (en) * | 2002-05-31 | 2003-12-04 | Whinnery Joseph P. | Motor speed-based anti-pinch control apparatus and method with endzone ramp detection and compensation |
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| CN110303998B (en) | 2023-01-03 |
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