CN117988671A - Novel car window descending anti-jamming method - Google Patents
Novel car window descending anti-jamming method Download PDFInfo
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- CN117988671A CN117988671A CN202410401386.0A CN202410401386A CN117988671A CN 117988671 A CN117988671 A CN 117988671A CN 202410401386 A CN202410401386 A CN 202410401386A CN 117988671 A CN117988671 A CN 117988671A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008034 disappearance Effects 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 239000005357 flat glass Substances 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The invention discloses a novel car window descending anti-jamming method, which relates to the technical field of car window control and is characterized by comprising the following steps: step 1, connecting a Hall element with a vehicle window lifting motor and an ECU module, and setting the disappearance duration of a Hall pulse signal in a clamping stagnation state as a monitoring threshold value Ta milliseconds; step 2, transmitting the disappearance duration time of the Hall pulse signal; step 3, comparing the disappearance duration of the Hall pulse signal with a monitoring threshold value Ta millisecond in real time, triggering a clamping stagnation prevention function when the disappearance duration of the Hall pulse signal is larger than the monitoring threshold value Ta millisecond, closing the window lifting motor, and otherwise, continuing the step 1; and 4, automatically and reversely starting the window lifting motor. According to the invention, the quadrature Hall waveforms are obtained through the Hall element, so that when the window descends and runs, and the disappearance duration of the Hall pulse signal exceeds the monitoring threshold value Ta milliseconds, the motor output is immediately closed, and the inversion is started, so that the aim of effectively preventing jamming is achieved.
Description
Technical Field
The invention relates to the technical field of vehicle window control, in particular to a novel vehicle window descending anti-jamming method.
Background
Along with the wide use of automobiles, the requirements of users on automobile configuration are also higher and higher, at present, most of automobile windows can be directly controlled to lift through a window motor, but the situation that the automobile windows are clamped to obstacles (such as clothes, hands stretched out by users and the like) is often caused in the lifting process, at this time, if the window motor continues to control the lifting of the automobile windows, the rotation resistance of the window motor is increased, the motor is further enabled to rotate slowly, and the window motor is possibly damaged in a long-time clamping state.
In the daily use of the automobile window, the ECU module is required to have a reliable anti-clamping function during the ascending operation, and also to be designed with an anti-jamming function during the descending process so as to prevent hands or other foreign matters from being jammed. However, the existing ECU module lacks consideration of anti-jamming strategies and has no reliable anti-jamming strategy, so that safety of a vehicle user cannot be guaranteed and damage of foreign matters to a lifter mechanical mechanism is reduced, and improvement is needed.
Disclosure of Invention
Therefore, the application aims to provide a novel vehicle window descending anti-jamming method so as to achieve the aim of effectively preventing jamming. The specific scheme is as follows:
a novel car window descending anti-jamming method comprises the following steps:
Step 1, connecting a Hall element with a vehicle window lifting motor and an ECU module, and setting the disappearance duration of a Hall pulse signal in a clamping stagnation state as a monitoring threshold value Ta milliseconds;
step 2, transmitting the disappearance duration of the Hall pulse signal of the monitored window lifting motor to an ECU module;
Step 3, the ECU module compares the disappearance duration of the Hall pulse signal of the window lifting motor with a monitoring threshold value Ta millisecond in real time, and triggers a clamping stagnation prevention function when the disappearance duration of the Hall pulse signal is larger than the monitoring threshold value Ta millisecond, and closes the window lifting motor, otherwise, the step 1 is continued;
And 4, controlling the window lifting motor to automatically reversely start by the ECU module, and backing the window glass Xmm.
Preferably: in step 1, ta in Ta milliseconds is less than 200.
Preferably: in step 4, the window glass is retracted by 5mm.
Preferably: the ECU module is integrated with an anti-jamming circuit, the anti-jamming circuit is used for running the method, and the ECU module is connected with the window lifting motor into a whole.
Preferably: the anti-jamming circuit comprises a key input interface circuit, a LIN bus, a singlechip, a driving H bridge and a battery; the key input interface circuit is used for receiving effective key signals, the LIN bus is used for receiving effective control signals, the singlechip is used for internal logic processing, and the driving H bridge is used for controlling the battery to add points to the window lifting motor in the forward direction or the reverse direction.
Preferably: the vehicle window lifting motor is internally provided with a magnetic ring which is matched with the Hall element to monitor the magnetic field output orthogonal waveform of the intensity change, and the magnetic field output orthogonal waveform is input into the singlechip.
Preferably: the singlechip is provided with MCU I/O Port, EEPROM, HALL Power, capture, LIN TRANSCEIVER, MOSFET Drive, A/D and Voltage Regulator, the LIN bus with LIN TRANSCEIVER is connected, HALL Power and Capture are used for connecting the HALL components, MCU I/O Port is used for connecting IO Input Circuit.
Preferably: and the MOSFET Drive is connected with the window lifting motor, and is provided with an MOSFET feed back connected with the MCU I/O Port.
According to the scheme, the application provides a novel vehicle window descending anti-jamming method, which has the following beneficial effects: the method comprises the steps that orthogonal Hall waveforms are obtained through Hall components, so that when a vehicle window descends and runs, sundries are jammed in a vehicle window lifter mechanism, and the disappearance duration of monitored Hall pulses is prolonged; and when the disappearance duration of the sampled Hall pulse signal exceeds a preset monitoring threshold value Ta milliseconds, the ECU module triggers the anti-jamming function, immediately closes the output of the motor, stops running, and then starts reverse rotation, thereby achieving the purpose of effectively preventing jamming.
Drawings
FIG. 1 is a flow chart of the present embodiment;
Fig. 2 is a schematic diagram of the structure of the window control module of the present embodiment.
Detailed Description
In order to make the technical solution and advantages of the present application more apparent, the present application will be described in more detail below with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, a novel method for preventing jamming during vehicle window descent comprises the following steps:
Step 1, connecting a Hall element with a vehicle window lifting motor and an ECU module, and setting the disappearance duration of a Hall pulse signal in a clamping stagnation state as a monitoring threshold value Ta milliseconds;
step 2, transmitting the disappearance duration of the Hall pulse signal of the monitored window lifting motor to an ECU module;
Step 3, the ECU module compares the disappearance duration of the Hall pulse signal of the window lifting motor with a monitoring threshold value Ta millisecond in real time, and triggers a clamping stagnation prevention function when the disappearance duration of the Hall pulse signal is larger than the monitoring threshold value Ta millisecond, and closes the window lifting motor, otherwise, the step 1 is continued;
And 4, controlling the window lifting motor to automatically reversely start by the ECU module, and backing the window glass Xmm.
Wherein Ta in Ta milliseconds of the monitoring threshold is less than 200. And in this embodiment, ta in Ta milliseconds, which is the monitoring threshold, may be selected to be 100, 120, 140, 160, 170, 180, 190, 195, etc. The running resistance of the window lifting motor is larger than that of the window which normally descends when the disappearance duration of the Hall pulse signal is 200 milliseconds. Therefore, the running resistance generated based on 200 milliseconds needs to be set to be larger than the running resistance received when the monitoring threshold value Ta milliseconds, so that an abrupt resistance point is encountered when the window lifting motor descends to run, the disappearance duration of the Hall pulse signals detected is prolonged, and the anti-jamming function is triggered when the disappearance duration of the Hall pulse signals is larger than the monitoring threshold value Ta milliseconds, so that the safety of a vehicle user is effectively ensured, and the damage of foreign matters to the mechanical mechanism of the lifter is reduced.
It should be noted that, the vehicle window glass is retracted by 5mm so as to achieve the purpose of effective anti-jamming.
As shown in fig. 1 and 2, the ECU module is integrated with an anti-sticking circuit. The anti-jamming circuit is used for running the method, and the ECU module is connected with the window lifting motor into a whole, so that the external controller is prevented from realizing the method, the implementation path of a control logic method is simplified, and the control cost is reduced.
The anti-jamming circuit comprises a key input interface circuit, a LIN bus, a singlechip, a driving H bridge and a battery. The key input interface circuit is used for receiving effective key signals, the LIN bus is used for receiving effective control signals, the singlechip is used for internal logic processing, and the driving H bridge is used for controlling the battery to add points to the vehicle window lifting motor in the forward direction or the reverse direction. Meanwhile, a magnetic ring which is matched with the Hall element to monitor the magnetic field output orthogonal waveform of the intensity change is arranged in the window lifting motor, and the magnetic field output orthogonal waveform is input into the singlechip.
It should be mentioned that the SCM is provided with MCU I/O Port, EEPROM, HALL Power, capture, LIN TRANSCEIVER, MOSFET Drive, A/D and Voltage Regulator. The LIN bus is connected with LIN TRANSCEIVER, the HALL Power and Capture are used for connecting with Hall components, and the MCU I/O Port is used for connecting with IO Input Circuit. Meanwhile, the MOSFET Drive is connected with the window lifting motor, and an MOSFET feed back connected with the MCU I/O Port is arranged.
In summary, the application provides a novel vehicle window descending anti-jamming method, which is characterized in that orthogonal Hall waveforms are obtained through Hall components so that when the vehicle window descends, sundries are jammed in a vehicle window lifter mechanism, the monitored disappearance duration of Hall pulses is prolonged; and when the disappearance duration of the sampled Hall pulse signal exceeds a preset monitoring threshold value Ta milliseconds, the ECU module triggers the anti-jamming function, immediately closes the output of the motor, stops running, and then starts reverse rotation, thereby achieving the purpose of effectively preventing jamming.
The references to "first," "second," "third," "fourth," etc. (if present) are used to distinguish similar objects from each other and are not necessarily used to describe a particular order or sequence. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, or apparatus.
It should be noted that the description of "first", "second", etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present application and the core ideas thereof; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (8)
1. The novel car window descending anti-jamming method is characterized by comprising the following steps of:
Step 1, connecting a Hall element with a vehicle window lifting motor and an ECU module, and setting the disappearance duration of a Hall pulse signal in a clamping stagnation state as a monitoring threshold value Ta milliseconds;
step 2, transmitting the disappearance duration of the Hall pulse signal of the monitored window lifting motor to an ECU module;
Step 3, the ECU module compares the disappearance duration of the Hall pulse signal of the window lifting motor with a monitoring threshold value Ta millisecond in real time, and triggers a clamping stagnation prevention function when the disappearance duration of the Hall pulse signal is larger than the monitoring threshold value Ta millisecond, and closes the window lifting motor, otherwise, the step 1 is continued;
And 4, controlling the window lifting motor to automatically reversely start by the ECU module, and backing the window glass Xmm.
2. The method for preventing jamming in the descending of the vehicle window according to claim 1, wherein the method comprises the following steps of: in step 1, ta in Ta milliseconds is less than 200.
3. The method for preventing jamming in the descending of the vehicle window according to claim 1, wherein the method comprises the following steps of: in step 4, the window glass is retracted by 5mm.
4. The method for preventing jamming in the descending of the vehicle window according to claim 1, wherein the method comprises the following steps of: the ECU module is integrated with an anti-jamming circuit, the anti-jamming circuit is used for running the method, and the ECU module is connected with the window lifting motor into a whole.
5. The method for preventing jamming in descending of a novel vehicle window according to claim 4, wherein the method comprises the following steps of: the anti-jamming circuit comprises a key input interface circuit, a LIN bus, a singlechip, a driving H bridge and a battery; the key input interface circuit is used for receiving effective key signals, the LIN bus is used for receiving effective control signals, the singlechip is used for internal logic processing, and the driving H bridge is used for controlling the battery to add points to the window lifting motor in the forward direction or the reverse direction.
6. The method for preventing jamming in descending of a novel vehicle window according to claim 5, wherein the method comprises the following steps of: the vehicle window lifting motor is internally provided with a magnetic ring which is matched with the Hall element to monitor the magnetic field output orthogonal waveform of the intensity change, and the magnetic field output orthogonal waveform is input into the singlechip.
7. The method for preventing jamming in descending of a novel vehicle window according to claim 5, wherein the method comprises the following steps of: the singlechip is provided with MCU I/O Port, EEPROM, HALL Power, capture, LIN TRANSCEIVER, MOSFET Drive, A/D and Voltage Regulator, the LIN bus with LIN TRANSCEIVER is connected, HALL Power and Capture are used for connecting the HALL components, MCU I/O Port is used for connecting IO Input Circuit.
8. The method for preventing jamming in vehicle window descending according to claim 7, wherein the method comprises the following steps: and the MOSFET Drive is connected with the window lifting motor, and is provided with an MOSFET feed back connected with the MCU I/O Port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410401386.0A CN117988671A (en) | 2024-04-03 | 2024-04-03 | Novel car window descending anti-jamming method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410401386.0A CN117988671A (en) | 2024-04-03 | 2024-04-03 | Novel car window descending anti-jamming method |
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| CN117988671A true CN117988671A (en) | 2024-05-07 |
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| CN202410401386.0A Pending CN117988671A (en) | 2024-04-03 | 2024-04-03 | Novel car window descending anti-jamming method |
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2024
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| CN102678008A (en) * | 2012-05-31 | 2012-09-19 | 北京航空航天大学 | Self-adapting car window anti-clamping control circuit and control method |
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