CN207934682U - A kind of anti-pinching car window control system and vehicle - Google Patents
A kind of anti-pinching car window control system and vehicle Download PDFInfo
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- CN207934682U CN207934682U CN201820133631.4U CN201820133631U CN207934682U CN 207934682 U CN207934682 U CN 207934682U CN 201820133631 U CN201820133631 U CN 201820133631U CN 207934682 U CN207934682 U CN 207934682U
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Abstract
The utility model discloses a kind of anti-pinching car window control system, including anti-pinch control module, window lifting motor, the window lifting motor is three-phase brushless dc motor；Vehicle window rise detection module, the vehicle window rise detection module are connected with anti-pinch control module, and the first signal is sent to anti-pinch control module when vehicle window rise detection module detects that vehicle window rises；Detection of obstacles module, the detection of obstacles module are connected with anti-pinch control module, and second signal is sent to anti-pinch control module when detection of obstacles module has detected barrier；Anti-pinch region detection module, the anti-pinch region detection module are connected with anti-pinch control module, and third signal is sent to anti-pinch control module when anti-pinch region detection module detects that vehicle window is located at anti-pinch region；After the anti-pinch control module receives the first signal, second signal and third signal at the same time, start anti-pinch control.The utility model has failure rate low, the smaller advantage of cost.
Description
Technical field
The utility model belongs to automobile technical field, in particular to a kind of anti-pinching car window control system and vehicle.
Background technology
Number of patent application CN201610116816.X proposes a kind of window lifting control system, the liter for controlling vehicle window
Drop.The Car window electric machine is brshless DC motor, the rotor position which obtains according to rotor-position sensor
It sets feedback signal driving inverter and controls Car window electric machine rotation.The window lifting control system is additionally provided with anti-pinch control module,
The anti-pinch control module includes pulse counter, count comparator, obstacle judging unit and anti-pinch command unit.Pass through pulse
Counter and count comparator obtain window locations, start obstacle judging unit, obstacle judging unit when meeting anti-pinch condition
It is at least one in measurement motor speed, armature winding electric current and motor output torque three, or Hall pulse width is measured, with
Setting value compares, and judges whether there is barrier, decides whether to start anti-pinch, control vehicle window is fallen after rise.
The patent uses brushless motor, realizes that motor driving and window locations detect by Hall sensor, passes through inspection
Hall signal width, motor speed, armature winding electric current or motor output torque are surveyed to judge anti-pinch.The program has used suddenly
That sensor increases sensing equipment and matching corresponding motor, and cost is higher, and lead is more, and installation is complicated.The program is in outside
When voltage fluctuation, current of electric increases, and rotating speed increases, and is easy accidentally anti-pinch.
Invention content
In view of above-mentioned condition, the utility model proposes a kind of anti-pinching car window control systems, solve and use in the prior art
The equipment such as sensor increase the problem of equipment and wiring cost, while overcoming the prior art and being easy by external electromagnetic fields
Defect.In order to solve the above technical problems, the utility model provides the following technical solutions：
A kind of anti-pinching car window control system, which is characterized in that including：
Anti-pinch control module, window lifting motor, the window lifting motor are three-phase brushless dc motor；
Vehicle window rise detection module, the vehicle window rise detection module are connected with anti-pinch control module, are examined when vehicle window rises
Module is surveyed to detect when vehicle window rises to anti-pinch control module the first signal of transmission；
Detection of obstacles module, the detection of obstacles module is connected with anti-pinch control module, when detection of obstacles module
When having detected barrier second signal is sent to anti-pinch control module；
Anti-pinch region detection module, the anti-pinch region detection module are connected with anti-pinch control module, when anti-pinch region is examined
Module is surveyed to detect when vehicle window is located at anti-pinch region to anti-pinch control module transmission third signal；
After the anti-pinch control module receives the first signal, second signal and third signal at the same time, start anti-pinch control
System.
Further, the vehicle window rise detection module, detection of obstacles module, anti-pinch region detection module respectively with vehicle
Window lifting motor is connected and acquires the commutation signal of vehicle window lifting motor three-phase voltage.
Further, the vehicle window rise detection module is connected with window lifting motor, when vehicle window rise detection module is examined
The commutation sequence for measuring window lifting motor three-phase voltage sends the first signal when being positive to anti-pinch control module.
Further, the detection of obstacles module is connected with window lifting motor, when detection of obstacles module detects
When the commutation frequency of window lifting motor three-phase voltage is less than setting value second signal is sent to anti-pinch control module.
Further, the anti-pinch region detection module is connected with window lifting motor, when anti-pinch region detection module is examined
It measures and sends third signal to anti-pinch control module when the commutation number of window lifting motor three-phase voltage is in preset range.
Further, the anti-pinch control module is connected with window lifting motor, and the anti-pinch control module is received at the same time
Window lifting motor reversal is controlled after to the first signal, second signal and third signal.
Further, the anti-pinching car window control system further includes voltage detection module, the voltage detection module detection
Load the voltage on window lifting motor.
The invention also discloses a kind of vehicle, including power supply, glass for vehicle window, glass for vehicle window transmission mechanism and above-mentioned
A kind of anti-pinching car window control system, the automatic lifting of the anti-pinching car window control system control vehicle window.
Compared with prior art, the utility model has the advantages that：
The three-phase brushless dc motor that the utility model uses solves many caused by existing use brush motor ask
Topic；Module is risen using vehicle window and detects vehicle window uplink and downlink state, logic is simply easily achieved；It is examined using anti-pinch region detection module
Measuring car window position, it is all advantageous in cost and installation；The prior art is overcome using voltage detecting mode to be easy by outside
The defect of electromagnetic field effects, improves stability；The utility model anti-pinching car window control system has simple in structure, failure rate
It is low, the smaller advantage of cost.
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with the utility model
Detailed description and accompanying drawings, description of the drawings only provide reference and description, are not used for limiting the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the system block diagram of the utility model embodiment；
Fig. 2 is the motor drive mode schematic diagram of the utility model embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or position of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise ", " axial direction "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be construed as a limitation of the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment, referring to Fig. 1, as shown, a kind of anti-pinching car window control system, including anti-pinch control module, vehicle window
Lifting motor, vehicle window rise detection module, detection of obstacles module, anti-pinch region detection module；
The window lifting motor is three-phase brushless dc motor；The vehicle window rise detection module, detection of obstacles mould
Block, anti-pinch region detection module are connected with window lifting motor and acquire the commutation letter of vehicle window lifting motor three-phase voltage respectively
Number, specific commutation mode sees below motor drive mode.
In the present embodiment, the type of drive of three-phase brushless dc motor is driven using the method for detection counter electromotive force, is controlled
Mode processed using being connected two-by-two, and conduction mode refers to brshless DC motor two-by-two the conducting of two phase windings at any time, separately
Outer one group is in vacant state.Vehicle window rise detection module obtains motor by the sequence of detection motor commutation and is in rotating forward still
The state of reversion.As shown in Fig. 2, figure includes metal-oxide-semiconductor Qd1, Qd3, Qd5, Qd7, Qd9, Qd11 and three-phase brushless motor.A、B、
C phase-voltage measurements indicate the position of collection voltages signal.The detection method of rotor-position uses counter electromotive force detection method.It is adopted in figure
With MOS full bridge driving circuits, control mode is led using being connected two-by-two such as AHBL-AHCL-BHLC-BHAL-CHAL-CHBL
Clear and coherent sequence indicates to rotate forward, and rotor reversion, then metal-oxide-semiconductor opening sequence is opposite.When vehicle window rise detection module detects vehicle window
When in uplink state the first signal is sent to anti-pinch control module.
When motor drives glass to rise if you need to realize pinch resistant functionality, the up stroke for obtaining glass for vehicle window is needed.At this
In embodiment, anti-pinch region detection module determines the up stroke of vehicle window by detecting the commutation number of window lifting motor,
Motor is primary per commutation, and counter adds one successively, can obtain the up stroke of vehicle window compared with numerical benchmark, and when downlink is same
It can obtain downward storke.It is controlled to anti-pinch when anti-pinch region detection module detects that vehicle window up stroke enters anti-pinch region
Module sends third signal.
After the up stroke for obtaining vehicle window is located at anti-pinch region, detection of obstacles module is detecting the voltage commutation time
When more than setting value, then barrier is encountered in judgement.The phase voltage commutation time of three-phase brushless dc motor can pass through timer
It obtains, may determine that motor operation is obstructed when the commutation time being more than setting value.In some special circumstances, external to use Denso
It sets overload or external strong-electromagnetic field interference is likely to result in the moment landing of supply voltage or is promoted, this instantaneous operating voltage
Variation other than it can cause to directly affect to the work of the circuit of control module, the operation of motor can also be impacted, such as
The increase and decrease of rotating speed, the conversion time of phase voltage.Cause window lifting motor operating voltage prominent to eliminate the factors such as external fault
The influence of change, we increase supply voltage detection module, external overtension or it is too low when, relax or step up anti-pinch judgement
Setting value prevents from entering accidentally anti-pinch.
In the present embodiment, the setting value of the position of glass for vehicle window and various anti-pinch, needs through preliminary examination and self study
Process obtains.It is raised to top as dropped to glass behind bottom during initialization, top phase is raised to the bottom of from using counter records vehicle window
The change frequency of electric current is deposited in a register, obtains the value for the counter for representing anti-pinch region immediately.The conversion time of phase voltage
It can be obtained by timer, the conversion time setting value of phase voltage removes extreme value by the value of collected timer and takes mean value simultaneously
In addition an error range obtains, this error range can be adapted to according to actual conditions.It in actual use may device
Mechanism can aging, various parameters can also change, it would be desirable to which self-learning function adapts to these variations.First, we define vehicle
Window from bottom be raised to top and intermediate non-stop process be one can self study process adopted as initialization procedure
Collection data, if error is larger, give up compared with the data of earlier stored, error properly then updates the data, as multiple error compared with
Greatly, then personnel inspection vehicle window can be prompted by CAN/LIN outgoing fault messages.
In the utility model, voltage detection module can also be substituted with current detection module, detect electric current and detection
Voltage is inherently associated.
The invention also discloses a kind of vehicle, including power supply, glass for vehicle window, glass for vehicle window transmission mechanism and above-mentioned
A kind of anti-pinching car window control system, the automatic lifting of the anti-pinching car window control system control vehicle window.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (8)
1. a kind of anti-pinching car window control system, which is characterized in that including：
Anti-pinch control module,
Window lifting motor, the window lifting motor are three-phase brushless dc motor；
Vehicle window rise detection module, the vehicle window rise detection module are connected with anti-pinch control module, when vehicle window rise detection mould
Block detects sends the first signal when vehicle window rises to anti-pinch control module；
Detection of obstacles module, the detection of obstacles module are connected with anti-pinch control module, when detection of obstacles module detects
To when having barrier second signal is sent to anti-pinch control module；
Anti-pinch region detection module, the anti-pinch region detection module are connected with anti-pinch control module, when anti-pinch region detection mould
Block detects sends third signal when vehicle window is located at anti-pinch region to anti-pinch control module；
After the anti-pinch control module receives the first signal, second signal and third signal at the same time, start anti-pinch control.
2. a kind of anti-pinching car window control system according to claim 1, which is characterized in that the vehicle window rise detection mould
Block, detection of obstacles module, anti-pinch region detection module are connected with window lifting motor and acquire vehicle window lifting motor three respectively
The commutation signal of phase voltage.
3. a kind of anti-pinching car window control system according to claim 1, which is characterized in that the vehicle window rise detection module
It is connected with window lifting motor, when vehicle window rise detection module detects the commutation sequence of window lifting motor three-phase voltage for just
To when to anti-pinch control module send the first signal.
4. a kind of anti-pinching car window control system according to claim 1, which is characterized in that the detection of obstacles module with
Window lifting motor is connected, when detection of obstacles module detects the commutation frequency of window lifting motor three-phase voltage less than setting
When value second signal is sent to anti-pinch control module.
5. a kind of anti-pinching car window control system according to claim 1, which is characterized in that the anti-pinch region detection module
It is connected with window lifting motor, when anti-pinch region detection module detects that the commutation number of window lifting motor three-phase voltage is in
When preset range third signal is sent to anti-pinch control module.
6. a kind of anti-pinching car window control system according to claim 1, which is characterized in that the anti-pinch control module and vehicle
Window lifting motor is connected, and the anti-pinch control module controls vehicle after receiving the first signal, second signal and third signal at the same time
Window lifting motor inverts.
7. a kind of anti-pinching car window control system according to claim 1, which is characterized in that the anti-pinching car window control system
Further include voltage detection module, voltage of the voltage detection module detection load on window lifting motor.
8. a kind of vehicle, which is characterized in that including power supply, glass for vehicle window, glass for vehicle window transmission mechanism and claim 1 to right
It is required that a kind of anti-pinching car window control system of 7 any one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133631.4U CN207934682U (en) | 2018-01-25 | 2018-01-25 | A kind of anti-pinching car window control system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133631.4U CN207934682U (en) | 2018-01-25 | 2018-01-25 | A kind of anti-pinching car window control system and vehicle |
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| Publication Number | Publication Date |
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| CN207934682U true CN207934682U (en) | 2018-10-02 |
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| CN201820133631.4U Active CN207934682U (en) | 2018-01-25 | 2018-01-25 | A kind of anti-pinching car window control system and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012612A (en) * | 2020-09-11 | 2020-12-01 | 广东蓝水花智能电子有限公司 | Anti-pinch safety control method, device and system for automatic door current detection |
| US11533010B2 (en) | 2018-07-24 | 2022-12-20 | Magna Closures Inc. | Torque current limiting vector control system and method for window regulator brushless motor |
-
2018
- 2018-01-25 CN CN201820133631.4U patent/CN207934682U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11533010B2 (en) | 2018-07-24 | 2022-12-20 | Magna Closures Inc. | Torque current limiting vector control system and method for window regulator brushless motor |
| CN112012612A (en) * | 2020-09-11 | 2020-12-01 | 广东蓝水花智能电子有限公司 | Anti-pinch safety control method, device and system for automatic door current detection |
| CN112012612B (en) * | 2020-09-11 | 2022-02-18 | 广东蓝水花智能电子有限公司 | Anti-pinch safety control method, device and system for automatic door current detection |
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