CN204476070U - A kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system - Google Patents
A kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system Download PDFInfo
- Publication number
- CN204476070U CN204476070U CN201420832842.9U CN201420832842U CN204476070U CN 204476070 U CN204476070 U CN 204476070U CN 201420832842 U CN201420832842 U CN 201420832842U CN 204476070 U CN204476070 U CN 204476070U
- Authority
- CN
- China
- Prior art keywords
- hardware platform
- window
- motor
- module
- pinch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Window Of Vehicle (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model relates to a kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system, comprises and shakes window motor and motor-drive circuit module and Hall sensor module; Also comprise hardware platform and host computer; Described hardware platform is connected with Hall sensor module with described motor-drive circuit module respectively, the feedback current shaking window motor working current that Hall sensor module output signal described in reception and described motor-drive circuit module export, feedback current described in utilization calculates the size of power windows grip force, utilizes Hall sensor module to output signal and calculates the vehicle window direction of motion and window locations; Described host computer comprises hardware platform controller; Described hardware platform controller is connected with described hardware platform, produce the control command of the hardware platform described in controlling, send control command to described hardware platform and receive the data of the size about power windows grip force and the vehicle window direction of motion and the window locations exported by described hardware platform and preserve.
Description
Technical field
The present invention relates to power window clamp prevention system regions, particularly a kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system.
Background technology
Power windows drives window lifting by vehicle-mounted motor, and in vehicle window uphill process, strength upwardly can reach 52.6kg the most by force, the most weakly also reaches 16.6kg.Therefore, power windows also exists the danger crushing people, and it possesses pinch resistant functionality just becomes a kind of needs, especially more necessary to children.
The prerequisite that anti-pinch algorithm plays a role is a rationally anti-pinch threshold value accurately, but is difficult to test all environmental factors of extreme influence glazing material performance due to designer, as:
1) distortion of crane in the manufacturing tolerance of vehicle window steel frame construction and use procedure;
2) change of the friction coefficient environment temperature, humidity etc. in glass uphill process and between elastomeric material;
3) the jolting of road surface in vehicle travel process.
4) the own existing defects of anti-pinch algorithm, makes designer be difficult to determine rational anti-pinch threshold value, cause anti-pinching car window function in some cases (as outside climatic inclement condition and running car road surface not good etc.) lost efficacy.
From Principle of Electric Engine, there is linear relationship between the torque of motor and current value, when the ER effect of motor is large, torque phase should increase, and resistance suffered when illustrating that vehicle window rises becomes large (may run into obstruction).Therefore by detecting the electric current of motor, the size of insert power can be known accurately, judge window locations in conjunction with Hall element output pulse signal simultaneously.Clamp-proof car window control system carries out anti-pinch judgement and position sensing by certain algorithm (as amplitude method, Slope Method, integration method etc.) respectively in conjunction with current of electric and Hall output pulse signal.
DSPACE real-time emulation system is the software and hardware working platform of a set of control system's development based on MATLAB/Simulink and the HWIL simulation of being developed by German dSPACE company, achieves the complete seamless link with MATLAB/Simulink/RTW.The advantages such as dSPACE real-time system has real-time, and reliability is high, and extendibility is good.Processor in dSPACE hardware system has computing capability at a high speed, and is equipped with abundant I/O support, and user can combine as required; Software environment powerful and easy to use, comprise code automatically to generate/download and test/the kit debugged.DSPACE software and hardware has become the first-selected real-time platform carrying out rapid control prototyping checking and HWIL simulation at present.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of experimental data acquisition system, normal work for anti-clamping electric window provides rationally anti-pinch threshold value experimental data accurately, the false judgment that the multiple environmental factor such as avoid vehicle electric window anti-clipping system Yin Wendu, humidity, freeze causes.
For overcoming the above problems, the invention provides following technical scheme: a kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system, comprising and shaking window motor and motor-drive circuit module and Hall sensor module; Also comprise hardware platform and host computer;
Described hardware platform is connected with Hall sensor module with described motor-drive circuit module respectively, the feedback current shaking window motor working current that Hall sensor module output signal described in reception and described motor-drive circuit module export, feedback current described in utilization calculates the size of power windows grip force, utilizes Hall sensor module to output signal and calculates the vehicle window direction of motion and window locations;
Described host computer comprises hardware platform controller; Described hardware platform controller is connected with described hardware platform, produce the control command of the hardware platform described in controlling, send control command to described hardware platform and receive the data of the size about power windows grip force and the vehicle window direction of motion and the window locations exported by described hardware platform and preserve.
Utilize Hall element by hardware platform in the present invention and the size of current of shaking window motor detected, control to simulate to power window clamp prevention, normal work for anti-clamping electric window provides rationally anti-pinch threshold value experimental data accurately, avoids the false judgment that vehicle electric window anti-clipping system causes because of multiple environmental factor.
Ensure in actual experiment process:
(1) in search coverage 4-200mm, accurate detection also discharges obstruction rapidly.
(2) ensure to be less than 100 by folder obstruction maximum weighted.
(3) elimination anti-clipping system for electric window mechanical parameter and electric parameter are along with change (as aging, distortion, wearing and tearing etc.) impact on anti-pinch algorithm service time.
(4) impact of change (temperature, humidity, freeze etc.) on anti-pinch algorithm of environment is eliminated.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is the port definition of motor drive ic VNH2SP30 of the present invention.
Detailed description of the invention
Embodiment 1, as shown in Figure 1, the present embodiment is a kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system, comprise the power module 5 shaking window motor 4 and motor-drive circuit module 3-1 and Hall sensor module 3-2 hardware platform 2 and host computer 1 and power supply is provided for shaking window motor 4 and motor-drive circuit module 3-1 and Hall sensor module 3-2 hardware platform 2, host computer 1 is a computer having separately power supply, as a desktop computer installed on the table, also can be a notebook computer, they are communicated to connect by the wired or wireless mode of communication interface and hardware platform 2.
Hardware platform 2, what adopt in the present embodiment is dSpace hardware platform, comprises ds1401PWM and ds1401A/D.DSpace hardware platform is connected with Hall sensor module 3-2 with motor-drive circuit module 3-1 respectively, receive the feedback current shaking window motor 4 operating current of Hall sensor module 3-2 output signal and motor-drive circuit module 3-1 output, utilize feedback current to calculate the size of power windows grip force, utilize Hall sensor module 3-2 to output signal and calculate the vehicle window direction of motion and window locations; And motor-drive circuit module 3-1 is controlled.Host computer 1 comprises hardware platform controller 1-1, compiler 1-2 and emulation module 1-3 tri-parts; Hardware platform controller 1-1 is connected with described hardware platform 2.The data of the size about power windows grip force received and the vehicle window direction of motion and window locations are outputted to described emulation module 1-3 and emulate by hardware platform controller 1-1, the intermediate code of simulation result is compiled by described compiler 1-2, and compiling result is preserved and output to described hardware platform controller 1-1.Compiler 1-2 is C compiler, generates intermediate code compiling, formation model real-time code to building online experiment block diagram in matlab/Simlink.
Ds1401A/D converts the analog signal sent by motor-drive circuit module 3-1 and Hall sensor module 3-2 received to data signal, the current signal that what motor-drive circuit module 3-1 sent is about shaking window motor 4 armature supply and being directly proportional, the output torque shaking window motor 4 can be converted to, when namely shaking window, resistance in glass window motion process, at present, in automotive window uphill process the resistance adopted generally at below 100N, if more than 100N, obstruction can be defined and be clipped on vehicle window, now, in host computer, emulation module 1-3 will occur that vehicle window has obstruction by the simulation result pressed from both sides, now, compile through compiler 1-2, hardware platform controller 1-1 will produce control signal, produce pulse signal by the ds1401PWM of dSpace hardware platform and control motor-drive circuit module 3-1 stopping machine operation, these emulation are in vehicle window uphill process, to carry out in the 4-200mm stage.
Host computer 1 is by disposing hardware platform controller 1-1, for dSpace ControlDesk, compiler 1-2, emulation module 1-3 are Matlab/Simlink in the present embodiment in the present embodiment, Host Computer Software Platform built by online experiment block diagram, is responsible for controling parameters and regulates and simulation analysis.Host computer 1 output port is connected with dSpace hardware platform 2, is responsible for assigning of control instruction; Host computer 1 input port is connected with dSpace hardware platform 2, obtains the output of experimental data, and preserves these data.DSpace hardware platform, comprise analog-to-digital conversion module 2-1 and pulse width modulation module 2-2, analog-to-digital conversion module 2-1 will receive the feedback current shaking window motor 4 operating current exported by motor-drive circuit module 3-1, and the signal that Hall sensor module 3-2 exports converts data signal to; Pulse width modulation module 2-2 produces motor-drive circuit module 3-1 pulse signal.
The dSpace hardware platform that the present embodiment adopts: be responsible for data acquisition and perform anti-pinch algorithm according to the simulation result of host computer, and according to the operation result of algorithm to motor-drive circuit module 3-1 control instruction.DSpace hardware platform 2 is connected with peripheral circuit, is communicated by A/D, D/A passage.Peripheral circuit: comprise motor-drive circuit module 3-1 and Hall sensor module 3-2.The control signal that motor-drive circuit module 3-1 accepts dSpace hardware platform 2 controls to shake window motor 4 and act accordingly, and output feedack electric current, the size of power windows grip force can be calculated by this feedback current.Hall element 3-2 is by sampling to the feedback current shaking window motor 4 simultaneously, determines the vehicle window direction of motion and window locations, and exports hall signal to dSpace hardware platform 2.
This experiment selects the VNH2SP30 of ST company as motor-drive circuit module 3-1, and it is a specially for driving the full-bridge motor driver designed by Car window electric machine, and its maximum feature to feed back Car window electric machine electric current.Fig. 2 shows the port definition of VNH2SP30 motor drive ic.Wherein, INA and INB port controlling Car window electric machine rotation direction; ENA/DIAGA and ENB/DIAGB is the fault diagnosis pin of motor drive ic VNH2SP30; PWM port is for controlling motor rotation speed; CS port is electric current output pin, its current value is directly proportional to chip VNH2SP30 operating current and armature electric current, output current is through the ADC port processing of sampling resistor by the analog-to-digital conversion module 2-1 of dSpace hardware platform 2, when vehicle window is positioned at anti-pinch region and sampled value is greater than threshold value, can think that vehicle window is in locked rotor condition, perform anti-pinch algorithm.Namely, when rising, shake window motor 4 to be controlled by dSpace hardware platform 2, the emulation module 1-3 of host computer receive obtained by dSpace hardware platform 2 relevantly shake the data such as torque that window motor 4 exports and the window locations detected by Hall element 3-2, by emulation, add the data of concrete vehicle window during emulation, judge whether that having obstruction is pressed from both sides, host computer 1 is controlled the work of shaking window motor 4 by dSpace hardware platform 2 according to these situations.Shake the motion control that power windows is responsible for by window motor 4 itself, its input port is connected with peripheral circuit 3, receive the control signal of motor-drive circuit module 3-1, and output feedack electric current is to motor-drive circuit module 3-1 and Hall sensor module 3-2.
Power module 5: be responsible for dSpace hardware platform 2, Hall element 3-2 and shake the power supply supply of window motor 4.
Connect dSpace hardware platform 2 and Hall element 3-2, motor-drive circuit module 3-1 and host computer.The Real-time hardware interface library RTI provided by dSpace, is emulated anti-pinch algorithm, preserves the data gathered by dSpace hardware platform 2 simultaneously, for later in host computer.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an Anti-pinch of Electric Window in Vehicles experimental data acquisition system, comprises and shakes window motor and motor-drive circuit module and Hall sensor module; It is characterized in that: also comprise hardware platform (2) and host computer (1);
Described hardware platform (2) is connected with Hall sensor module (3-2) with described motor-drive circuit module (3-1) respectively, the feedback current shaking window motor (4) operating current that Hall sensor module (3-2) output signal described in reception and described motor-drive circuit module (3-1) export, feedback current described in utilization calculates the size of power windows grip force, utilizes Hall sensor module (3-2) to output signal and calculates the vehicle window direction of motion and window locations;
Described host computer comprises hardware platform controller (1-1); Described hardware platform controller (1-1) is connected with described hardware platform (2), produce the control command of the hardware platform (2) described in controlling, send control command to described hardware platform (2) and receive the data of the size about power windows grip force and the vehicle window direction of motion and the window locations exported by described hardware platform (2) and preserve.
2. Anti-pinch of Electric Window in Vehicles experimental data acquisition system according to claim 1, is characterized in that: also comprise compiler (1-2) and emulation module (1-3) in described host computer;
The data of the size about power windows grip force received and the vehicle window direction of motion and window locations are outputted to described emulation module (1-3) and emulate by described hardware platform controller (1-1), the intermediate code of simulation result is compiled by described compiler (1-2), and compiling result is preserved and output to described hardware platform controller (1-1).
3. Anti-pinch of Electric Window in Vehicles experimental data acquisition system according to claim 2, is characterized in that: described emulation module (1-3) is realized by Matlab/Simlink.
4. Anti-pinch of Electric Window in Vehicles experimental data acquisition system according to claim 3, it is characterized in that: described compiler (1-2) is C compiler, intermediate code compiling is generated, formation model real-time code to building online experiment block diagram in matlab/Simlink.
5. according to described Anti-pinch of Electric Window in Vehicles experimental data acquisition system arbitrary in Claims 1-4, it is characterized in that: described hardware platform (2) is dSpace hardware platform, comprise analog-to-digital conversion module (2-1) and pulse width modulation module (2-2), described analog-to-digital conversion module (2-1) will receive the feedback current shaking window motor (4) operating current exported by motor-drive circuit module (3-1), and the signal that Hall sensor module (3-2) exports converts data signal to; Described pulse width modulation module (2-2) produces the motor-drive circuit module (3-1) described in pulse signal control.
6. Anti-pinch of Electric Window in Vehicles experimental data acquisition system according to claim 5, is characterized in that: described motor-drive circuit module (3-1) is VNH2SP30 motor drive ic.
7. Anti-pinch of Electric Window in Vehicles experimental data acquisition system according to claim 6, is characterized in that: the CS port of described motor drive ic VNH2SP30 is electric current output pin, and its current value is directly proportional to the described window armature electric current that shakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832842.9U CN204476070U (en) | 2014-12-24 | 2014-12-24 | A kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832842.9U CN204476070U (en) | 2014-12-24 | 2014-12-24 | A kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476070U true CN204476070U (en) | 2015-07-15 |
Family
ID=53631872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420832842.9U Active CN204476070U (en) | 2014-12-24 | 2014-12-24 | A kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533208A (en) * | 2014-12-24 | 2015-04-22 | 昌辉汽车电气系统（安徽）有限公司 | Anti-pinch power window experimental data acquisition system |
| CN107491063A (en) * | 2017-09-11 | 2017-12-19 | 中国第汽车股份有限公司 | Vehicle dormer window assembly automatic test device |
| CN111638705A (en) * | 2020-06-03 | 2020-09-08 | 中国第一汽车股份有限公司 | Testing device and method for vehicle window control system and storage medium |
-
2014
- 2014-12-24 CN CN201420832842.9U patent/CN204476070U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533208A (en) * | 2014-12-24 | 2015-04-22 | 昌辉汽车电气系统（安徽）有限公司 | Anti-pinch power window experimental data acquisition system |
| CN107491063A (en) * | 2017-09-11 | 2017-12-19 | 中国第汽车股份有限公司 | Vehicle dormer window assembly automatic test device |
| CN107491063B (en) * | 2017-09-11 | 2023-05-26 | 中国第一汽车股份有限公司 | Automatic test device for automobile skylight assembly |
| CN111638705A (en) * | 2020-06-03 | 2020-09-08 | 中国第一汽车股份有限公司 | Testing device and method for vehicle window control system and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102150023B (en) | Method for measuring robots brake | |
| CN204476070U (en) | A kind of Anti-pinch of Electric Window in Vehicles experimental data acquisition system | |
| CN202648956U (en) | Wind load testing device for automobile sunroof | |
| CN105201319A (en) | Four-door car window anti-clamping method based on two hall sensors and direct current motor | |
| CN102287113A (en) | Soft stop control device for power window of automobile | |
| CN107060566B (en) | Car window electric machine control method, system and automobile | |
| CN102482057A (en) | Door device of elevator | |
| CN101532361A (en) | Anti-clamping device and anti-clamping method thereof | |
| CN102384769A (en) | Method and system for testing novel contra-rotating dual-rotor motor driver | |
| CN104977171A (en) | Device for detecting dead-zone monitoring system controller and control method thereof | |
| CN205382814U (en) | Subway shield door monitored control system | |
| CN107738646A (en) | A kind of terminal device applied to vehicle cruise | |
| CN104533208A (en) | Anti-pinch power window experimental data acquisition system | |
| CN201506659U (en) | Circuit control system for elevator that will not stop without passengers | |
| CN104533219B (en) | A kind of vehicle window clipping prevention system and its control method | |
| CN202886986U (en) | Verification system of control algorithm for motor | |
| CN108153288B (en) | Test circuit, test method and test equipment of electric door ECU | |
| CN106394204A (en) | Anti-pinch skylight control method | |
| CN204116564U (en) | A kind of motor in electric automobile drives working condition simulation test system | |
| CN103759927A (en) | Test system for service life of valve | |
| CN205502844U (en) | Vehicle and glass -frame riser system thereof | |
| CN105089407A (en) | Door control device, system and method suitable for shield door and safety door | |
| CN101762785B (en) | Test method of driving motor of hybrid vehicle | |
| Htay et al. | Implementation of plc based elevator control system | |
| CN102902264B (en) | Method for testing power window controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |