CN104563718A - Method and device for controlling car window to fall off - Google Patents
Method and device for controlling car window to fall off Download PDFInfo
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- CN104563718A CN104563718A CN201310471636.XA CN201310471636A CN104563718A CN 104563718 A CN104563718 A CN 104563718A CN 201310471636 A CN201310471636 A CN 201310471636A CN 104563718 A CN104563718 A CN 104563718A
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- window
- body controller
- vehicle window
- car body
- decline
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007423 decrease Effects 0.000 claims description 67
- 230000000630 rising effect Effects 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Abstract
The invention discloses a method for controlling a car window to fall off. The method comprises the following steps: receiving a request of automatically falling off the car window and sending the request to a car body controller by a car window switch; after the car body controller receives the request, obtaining reference falling-off control time according to state parameters, wherein the reference falling-off control time represents time spent in falling off the whole car window under the condition of the state parameters; calculating actual falling-off control time by the car body controller on the basis of the reference falling-off control time and an initial car window position; executing car window falling-off output control by the car body controller according to the actual falling-off control time and recording a final car window position by the car body controller.
Description
Technical field
The present invention relates to Body Control technology, and relate to a kind of method and apparatus controlling vehicle window and decline.
Background technology
In the existing volume production vehicle in market, power windows has become the configuration of a kind of basic vehicle.Meanwhile, consider the cost factor of vehicle, join in vehicle low, common Car window electric machine often instead of clamp-proof car window motor to realize the electronic automatic decline function of vehicle window.Meanwhile, owing to pursuing user operation simplification, usually wish the function that common Car window electric machine also can realize vehicle window one key and automatically declines.Vehicle window on existing market is automatically in decline control strategy, car body controller through car window switch after receiving automatic dropping signal, the locked rotor current that when vehicle window drops to the end, Car window electric machine stall produces is monitored often through the module in switch, thus stop vehicle window decline output control, but this layout strategy can increase integral vehicle cost to a certain extent.
Summary of the invention
The present invention is intended to automatically decline above by utilizing the Car window electric machine controller ground control vehicle window decline control time to realize common Car window electric machine execution vehicle window one key.
The present invention discloses a kind of method controlling vehicle window and decline, and comprises the following steps:
Car window switch receives the request of automatic decline vehicle window, and this request is sent to car body controller;
After car body controller receives this request, obtain benchmark according to state parameter and decline the control time, the time declined required for vehicle window total kilometres under this benchmark decline control-time table is shown in described state parameter condition;
Car body controller declines control time and initial window locations calculating actual decline control time based on described benchmark;
Car body controller performs vehicle window decline according to this actual decline control time and exports control,
The final window locations of car body controller record.
The present invention discloses a kind of device controlling vehicle window and decline, and comprising:
Car window switch and car body controller, wherein,
This request for receiving the request of automatic decline vehicle window, and is sent to car body controller by car window switch;
Car body controller is configured to upon receipt of the request, obtains benchmark and declines the control time, the time declined required for vehicle window total kilometres under this benchmark decline control-time table is shown in described state parameter condition according to state parameter;
Car body controller declines control time and initial window locations calculating actual decline control time based on described benchmark;
Car body controller performs vehicle window decline according to this actual decline control time and exports control,
The final window locations of car body controller record.
Existing vehicle window automatically declines and controls often to need to increase module in the switch to detect locked rotor current, to support a key decline function.But because need to increase module to monitor locked rotor current, so relatively integral vehicle cost can be increased.Advantage of the present invention is to save integral vehicle cost, and shortens Car window electric machine stall time as far as possible, thus reduces vehicle window locked rotor current to the damage of the electrical components such as motor, switch, wire harness.
Because vehicle window is different in different temperature, voltage, the position time automatically dropped at the end, and this fixingly declines the often time of default setting needed for the automatic decline grown most in control time automatically.Therefore when starting to decline be in the conditions such as high-temperature, high voltage, low original position when vehicle window under, Car window electric machine can bear one section of long stall operating mode.Now electric current sharply increases generation heat, is all extremely disadvantageous to motor, switch and wire harness.Advantage of the present invention is also the vehicle status parameters considered, such as, car load factor and environmental factor, make full use of existing resource to save cost, and the damage simultaneously reduced to the full extent electric system, shortens stall time when Car window electric machine drops to the end.
Accompanying drawing explanation
After having read the specific embodiment of the present invention with reference to accompanying drawing, those skilled in the art will become apparent various aspects of the present invention.One skilled in the art will appreciate that these accompanying drawings only for coordinating detailed description of the invention that technical scheme of the present invention is described, and and be not intended to be construed as limiting protection scope of the present invention.
Fig. 1 is the device schematic diagram declined according to the control vehicle window of the embodiment of the present invention.
Fig. 2 is the flow chart of the method declined according to the control vehicle window of the embodiment of the present invention.
Fig. 3 is comparative test result schematic diagram.
Detailed description of the invention
With reference to the accompanying drawings, the specific embodiment of the present invention is described in further detail.In the following description, in order to the object explained, state many details to provide the thorough understanding of the one or more aspects to embodiment.But, can it is evident that for those skilled in the art, the less degree of these details can come one or more aspects of practicing various embodiments.Therefore the description below is not regarded as circumscribed, but limits protection domain by claims.
According to one embodiment of present invention, the device controlling vehicle window decline comprises car window switch and car body controller.As shown in Figure 1, Fig. 1 is the device schematic diagram declined according to the control vehicle window of the embodiment of the present invention.Car window switch is connected with car body controller by rigid line or LIN line, and car body controller and vehicle window are electrically coupled to control the lifting of vehicle window.This request for receiving the request of automatic decline vehicle window, and is sent to car body controller by car window switch.Car body controller is configured to upon receipt of the request, obtains benchmark and declines the control time, the time declined required for vehicle window total kilometres under this benchmark decline control-time table is shown in described state parameter condition according to state parameter.Vehicle window total kilometres refer to the distance from window position top-to-bottom.Car body controller declines control time and initial window locations calculating actual decline control time based on described benchmark.Car body controller performs vehicle window decline according to this actual decline control time and exports control.Such as, vehicle window total kilometres are N, and the benchmark decline control time obtained is T, and when initial window locations is 1/2N, the actual decline control time that so can obtain dropping to bottom window position from initial window locations is 1/2T.In the present invention, the actual control time that declines refers to user by once making vehicle window automatically drop to the time bottom window position from initial window locations by tactile car window switch.Car body controller is also configured to record the device that final window locations controls vehicle window decline, as the initial position controlling vehicle window decline next time.
Automatic decline vehicle window in the present invention refers to that user passes through once vehicle window can be made automatically to decline from initial window locations by tactile car window switch, if car body controller do not receive stop lifting window request so vehicle window will drop to bottom window position, if car body controller receive the request of stopping lifting window so vehicle window by stop motion.In one embodiment, car body controller is configured to determine final window locations according to initial window locations, vehicle window run duration, benchmark vehicle window rising or falling speed, wherein, time of automatic window request (comprising the request of automatic decline vehicle window and the request of automatic rising vehicle window) of receiving according to car body controller of vehicle window run duration and stop the time of lifting window request to determine.Automatic window request and stop lifting window request can by user for car window switch by triggering.Here, benchmark vehicle window rising or falling speed is according to also determining according to state parameter.
As described above, benchmark vehicle window rising or falling speed and benchmark decline control time can be determined by state parameter.According to the embodiment of the present invention, state parameter can be external temperature information, battery voltage information, season information, pavement state information, vehicle window Assembly stability one or more.Such as, benchmark vehicle window rising or falling speed and benchmark decline control time data can by what carry out in window lifting long duration test, and the window lifting time test under different external temperature information and cell voltage obtains.Again such as, by carrying out winter, summer, routine road test test to vehicle, vehicle window rising or falling speed of also can sampling declined the control time as benchmark vehicle window rising or falling speed and benchmark with the control time that declines.Alternatively, consider vehicle window decline the control time and the factor such as glass weight, weather strip resistance also closely related, and these factors, the uniformity of often assembling with vehicle window jacking system on vehicle production line is closely bound up, therefore such as can increase regular hour surplus to tackle the larger window lifting system of resistance according to the practical stability of car door assembling on the basis in benchmark decline control time.It will also be appreciated that, total kilometres due to vehicle front/rear door vehicle window are generally different, such as Qianmen vehicle window declines the control time can be relatively longer, so different benchmark can also be used to decline control time and benchmark vehicle window rising or falling speed in the hope of optimum effect for Qianmen and back door.
In one embodiment, state parameter is external temperature information and battery voltage information.In the present invention, cell voltage refers to car load cell voltage.Can be described above, make the external temperature of particular range or value and cell voltage correspond to specific benchmark vehicle window rising or falling speed and benchmark decline control time.Such as can form two-dimensional data table by above-mentioned test, this two-dimensional data table determination benchmark vehicle window rising or falling speed or benchmark decline control time can be inquired about according to the state parameter at scene in actual mechanical process.
Fig. 2 is the flow chart of the method declined according to the control vehicle window of the embodiment of the present invention.As shown in the figure, control the method that vehicle window declines, comprise the following steps: car window switch receives the request of automatic decline vehicle window, and this request is sent to car body controller; After car body controller receives this request, obtain benchmark according to state parameter and decline the control time, the time declined required for vehicle window total kilometres under this benchmark decline control-time table is shown in described state parameter condition; Car body controller declines control time and initial window locations calculating actual decline control time based on described benchmark; Car body controller performs vehicle window decline output control according to this actual decline control time, such as, drive the output this time reality decline control time by car body controller is low, drag down the coil-end of Car window electric machine control relay, realize vehicle window decline output and control; The final window locations of car body controller record.
contrast test
In this contrast test, by the optimization utilizing data logger, current clamp to detect a key vehicle window automatically to drop to stall time behind the end.Particularly, under same vehicle, different temperatures, respectively with the method in fixing decline control time of the prior art with improve after automatically the decline method in control time of the present invention carry out vehicle window control.As shown in Figure 3, x-axis represents the time, and unit is S second; Y-axis represents electric current, and unit is ampere A, and the amperage that wherein on y direction, each lattice represents is 1.3333A, and detectable maximum current value is that in 26.6667A, figure, curve illustrates the curent change situation of vehicle window in decline process.
Fig. 3 top illustrates the motor rotation blockage time (normal temperature under the fixing control time control that declines, environment temperature 18 degree, the situation of bottom is down to) from top, window position, Fig. 3 bottom illustrates the motor rotation blockage time (normal temperature under automatic decline control time control of the present invention, environment temperature 18 degree, is down to the situation of bottom from top, window position).According to Experimental Comparison result, after the control time that automatically declines is called, the time of motor rotation blockage shortened to 0.5 second from 3 seconds significantly, and complete again vehicle window one key simultaneously smoothly and automatically to decline function, this creates protective effect to electric system.The present invention adopts the existing part status of previous car load, does not increase or revises any hardware or system, achieving again the saving of cost.
By the description of above embodiment, those skilled in the art can understand, and when without departing from the spirit and scope of the present invention, can also do various change and replacement to the specific embodiment of the present invention.These change and replace and all drop in claims of the present invention limited range.
Claims (8)
1. control the method that vehicle window declines, it is characterized in that, comprise the following steps:
Car window switch receives the request of automatic decline vehicle window, and this request is sent to car body controller;
After car body controller receives this request, obtain benchmark according to state parameter and decline the control time, the time declined required for vehicle window total kilometres under this benchmark decline control-time table is shown in described state parameter condition;
Car body controller declines control time and initial window locations calculating actual decline control time based on described benchmark;
Car body controller performs vehicle window decline according to this actual decline control time and exports control,
The final window locations of car body controller record.
2. the method for claim 1, is characterized in that,
Described state parameter is one or more in external temperature information, battery voltage information, season information, pavement state information, vehicle window Assembly stability.
3. the method for claim 1, is characterized in that,
Described state parameter is external temperature information and battery voltage information.
4. the method for claim 1, is characterized in that,
Car body controller determines final window locations according to initial window locations, vehicle window run duration, benchmark vehicle window rising or falling speed, wherein,
The time of the automatic window request that vehicle window run duration receives according to car body controller and the time of stopping lifting window request are determined,
Benchmark vehicle window rising or falling speed is determined according to described state parameter.
5. control the device that vehicle window declines, it is characterized in that, comprising:
Car window switch and car body controller, wherein,
This request for receiving the request of automatic decline vehicle window, and is sent to car body controller by car window switch;
Car body controller is configured to upon receipt of the request, obtains benchmark and declines the control time, the time declined required for vehicle window total kilometres under this benchmark decline control-time table is shown in described state parameter condition according to state parameter;
Car body controller declines control time and initial window locations calculating actual decline control time based on described benchmark;
Car body controller performs vehicle window decline according to this actual decline control time and exports control,
The final window locations of car body controller record.
6. device as claimed in claim 5, is characterized in that,
Described state parameter is one or more in external temperature information, battery voltage information, season information, pavement state information, vehicle window Assembly stability.
7. device as claimed in claim 5, is characterized in that,
Described state parameter is external temperature information and battery voltage information.
8. device as claimed in claim 5, is characterized in that,
Car body controller is configured to determine final window locations according to initial window locations, vehicle window run duration, benchmark vehicle window rising or falling speed, wherein,
The time of the automatic window request that vehicle window run duration receives according to car body controller and the time of stopping lifting window request are determined,
Benchmark vehicle window rising or falling speed is determined according to described state parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310471636.XA CN104563718B (en) | 2013-10-11 | 2013-10-11 | A kind of method and apparatus for controlling vehicle window to decline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310471636.XA CN104563718B (en) | 2013-10-11 | 2013-10-11 | A kind of method and apparatus for controlling vehicle window to decline |
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| CN104563718A true CN104563718A (en) | 2015-04-29 |
| CN104563718B CN104563718B (en) | 2017-08-25 |
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Citations (5)
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| US20020107662A1 (en) * | 2000-03-30 | 2002-08-08 | Patric Kahles | Method for determining the remaining running time a drive runs |
| CN101994450A (en) * | 2009-08-26 | 2011-03-30 | 怡利电子工业股份有限公司 | Method for controlling electronic sunshade curtain of automobile |
| CN102518353A (en) * | 2012-01-05 | 2012-06-27 | 安徽华菱汽车有限公司 | Window lifting in-place intelligent control circuit without limit switch |
| DE102011111439B3 (en) * | 2011-08-30 | 2012-11-08 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Method for controlling electric drive of window lifter of motor vehicle by control device, involves predicting time period to increase energy requirement of electric drive after operator request is sent to window lifter |
| CN103184823A (en) * | 2011-12-30 | 2013-07-03 | 比亚迪股份有限公司 | Automobile automatic window closer |
-
2013
- 2013-10-11 CN CN201310471636.XA patent/CN104563718B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020107662A1 (en) * | 2000-03-30 | 2002-08-08 | Patric Kahles | Method for determining the remaining running time a drive runs |
| CN101994450A (en) * | 2009-08-26 | 2011-03-30 | 怡利电子工业股份有限公司 | Method for controlling electronic sunshade curtain of automobile |
| DE102011111439B3 (en) * | 2011-08-30 | 2012-11-08 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Method for controlling electric drive of window lifter of motor vehicle by control device, involves predicting time period to increase energy requirement of electric drive after operator request is sent to window lifter |
| CN103184823A (en) * | 2011-12-30 | 2013-07-03 | 比亚迪股份有限公司 | Automobile automatic window closer |
| CN102518353A (en) * | 2012-01-05 | 2012-06-27 | 安徽华菱汽车有限公司 | Window lifting in-place intelligent control circuit without limit switch |
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| CN104563718B (en) | 2017-08-25 |
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