CN113503107A - Control method and device for vehicle window motor - Google Patents
Control method and device for vehicle window motor Download PDFInfo
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- CN113503107A CN113503107A CN202110826110.3A CN202110826110A CN113503107A CN 113503107 A CN113503107 A CN 113503107A CN 202110826110 A CN202110826110 A CN 202110826110A CN 113503107 A CN113503107 A CN 113503107A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000002159 abnormal effect Effects 0.000 claims abstract description 115
- 238000010586 diagram Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/40—Control units therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/55—Windows
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- Window Of Vehicle (AREA)
Abstract
The invention discloses a method and a device for controlling a vehicle window motor, wherein the method comprises the following steps: acquiring a working current value and a first preset locked-rotor current value of a vehicle window motor; then, when the abnormal operation of the window motor is judged according to the working current value and the first preset locked-rotor current value, recording the abnormal working current value and updating the abnormal times of the motor; then resetting a locked-rotor current value according to the abnormal working current value when the updated abnormal times of the motor are equal to a preset value to obtain a second preset locked-rotor current value; and finally, controlling the window motor according to the second preset locked-rotor current value. By adopting the embodiment of the invention, the locked-rotor current value can be flexibly set, and the motor can be effectively prevented from being seriously damaged due to long-time locked-rotor.
Description
Technical Field
The invention relates to the technical field of automatic control, in particular to a control method and a control device for a vehicle window motor.
Background
In the prior art, generally, the motor locked-rotor protection is realized by setting a motor locked-rotor current value, which specifically comprises the following steps: when the motor works, the current value is larger than the set locked-rotor current value and lasts for a certain time, the motor is stopped to be driven to work, and the purpose of locked-rotor protection of the motor is achieved. However, the locked-rotor current of the traditional vehicle window motor is easily influenced by external factors, such as the working temperature of the vehicle window motor, the state of a vehicle window adhesive tape and the like. And because window motor has the variety, when external conditions are unanimous, every window motor locked rotor current value also has certain difference.
Therefore, the set locked-rotor current value is a fixed value, and if the set locked-rotor current value is too large or when the motor is in idle running due to window faults, the actual motor current cannot meet the locked-rotor condition, so that the locked-rotor protection cannot be achieved, and the motor is damaged; if the set locked-rotor current value is too small, the problem that the car window cannot normally rise to the top or fall to the bottom is easily caused.
Disclosure of Invention
The embodiment of the invention provides a control method and a control device for a vehicle window motor, which can flexibly set a locked-rotor current value and effectively prevent the motor from being seriously damaged due to long-time locked rotation.
A first aspect of an embodiment of the present application provides a control method for a vehicle window motor, including:
acquiring a working current value and a first preset locked-rotor current value of a vehicle window motor;
when the abnormal operation of the window motor is judged according to the working current value and the first preset locked-rotor current value, recording the abnormal working current value and updating the abnormal times of the motor;
when the updated abnormal times of the motor are equal to a preset value, resetting a locked-rotor current value according to the abnormal working current value to obtain a second preset locked-rotor current value;
and controlling the window motor according to the second preset locked-rotor current value.
In a possible implementation manner of the first aspect, the abnormal operation of the window motor is determined according to the working current and a first preset locked-rotor current value, and specifically:
the abnormal operation includes: idling operation;
when the working current value is smaller than a first preset locked-rotor current value, recording first duration, and if the first duration is larger than a first preset time threshold, judging that the window motor runs in an idle mode, and controlling the window motor to stop running; and if the first duration time is less than a first preset time threshold value, judging that the window motor normally operates, and controlling the window motor to continue to operate.
In a possible implementation manner of the first aspect, the abnormal operation further includes: locked-rotor operation;
when the working current value is larger than the first preset locked-rotor current value, recording second duration, and if the second duration is larger than a second preset time threshold, judging that the window motor is locked-rotor and controlling the window motor to stop running; and if the second duration time is less than a second preset time threshold, judging that the window motor normally operates, and controlling the window motor to continue to operate.
In a possible implementation manner of the first aspect, the locked-rotor current value is reset according to the abnormal operating current value to obtain a second preset locked-rotor current value, which specifically is:
acquiring a maximum current value from the abnormal working current value;
and resetting the locked-rotor current value according to the maximum current value to obtain a second preset locked-rotor current value.
In a possible implementation manner of the first aspect, the recording of the abnormal operating current value specifically includes:
judging the idle running of the window motor, and controlling the window motor to stop running, and then obtaining a maximum driving current value according to the working current value;
the maximum drive current value is recorded as an abnormal operation current value.
A second aspect of an embodiment of the present application provides a control device for a window motor, including: the device comprises an acquisition module, a recording module, a setting module and a control module;
the acquisition module is used for acquiring a working current value and a first preset locked-rotor current value of the vehicle window motor;
the recording module is used for recording the abnormal working current value and updating the abnormal times of the motor when judging that the window motor operates abnormally according to the working current value and the first preset locked-rotor current value;
the setting module is used for resetting the locked-rotor current value according to the abnormal working current value when the updated abnormal times of the motor are equal to a preset numerical value to obtain a second preset locked-rotor current value;
the control module is used for controlling the window motor according to a second preset locked-rotor current value.
In a possible implementation manner of the second aspect, the abnormal operation of the window motor is determined according to the working current and a first preset locked-rotor current value, and specifically:
the abnormal operation includes: idling operation;
when the working current value is smaller than a first preset locked-rotor current value, recording first duration, and if the first duration is larger than a first preset time threshold, judging that the window motor runs in an idle mode, and controlling the window motor to stop running; and if the first duration time is less than a first preset time threshold value, judging that the window motor normally operates, and controlling the window motor to continue to operate.
In one possible implementation manner of the second aspect, the frequently running further includes: locked-rotor operation;
when the working current value is larger than the first preset locked-rotor current value, recording second duration, and if the second duration is larger than a second preset time threshold, judging that the window motor is locked-rotor and controlling the window motor to stop running; and if the second duration time is less than a second preset time threshold, judging that the window motor normally operates, and controlling the window motor to continue to operate.
In a possible implementation manner of the second aspect, the locked-rotor current value is reset according to the abnormal operating current value to obtain a second preset locked-rotor current value, which specifically is:
acquiring a maximum current value from the abnormal working current value;
and resetting the locked-rotor current value according to the maximum current value to obtain a second preset locked-rotor current value.
In a possible implementation manner of the second aspect, the recording of the abnormal operating current value is specifically:
judging the idle running of the window motor, and controlling the window motor to stop running, and then obtaining a maximum driving current value according to the working current value;
the maximum drive current value is recorded as an abnormal operation current value.
Compared with the prior art, the method and the device for controlling the window motor provided by the embodiment of the invention have the beneficial effects that: the control method of the embodiment of the invention comprises the steps of obtaining the working current value and a first preset locked-rotor current value of a vehicle window motor; then, when the abnormal operation of the window motor is judged according to the working current value and the first preset locked-rotor current value, recording the abnormal working current value and updating the abnormal times of the motor; then resetting a locked-rotor current value according to the abnormal working current value when the updated abnormal times of the motor are equal to a preset value to obtain a second preset locked-rotor current value; and finally, controlling the window motor according to the second preset locked-rotor current value. The method can adaptively adjust the locked-rotor current value when the window motor operates abnormally, and can effectively avoid the problem that the window motor cannot be really protected because the locked-rotor current value is a fixed value, such as: if the fixed locked-rotor current value is set to be too low, the vehicle window cannot normally operate, namely cannot normally rise to the top or fall to the bottom; if the fixed locked-rotor current value is set too high or when the motor is in idle running, the locked-rotor condition and the locked-rotor protection cannot be achieved. Therefore, when the motor has abnormal conditions such as locked rotor or idling and the like, the abnormal working current value is obtained, and after the abnormal times of the motor reach the preset value, the locked rotor current value is reset according to the abnormal working current value, the locked rotor current value can be flexibly set from the actual working state of the motor, the motor can be suitable for various working environments, the motor can be effectively protected in various working environments and various working states of the motor, and the motor is prevented from being seriously damaged due to long-time locked rotor.
Secondly, the invention requires that the motor abnormal times reach the preset value, and then the operation of resetting the locked-rotor current value can be carried out, thereby preventing the motor from being sensitive to abnormal operation and frequently setting the locked-rotor current value, and finally influencing the normal operation of the motor. The abnormal times of the motor reach a preset value, which means that the motor really has problems and is abnormal when running for many times; the motor is reset on the premise of confirming that the motor is indeed abnormal, operation redundancy is avoided, effectiveness of resetting a locked-rotor current value is improved, and the motor can be prevented from being damaged greatly due to locked-rotor.
Finally, when the abnormal operation of the window motor is judged, the preset time threshold value, namely the preset longest working time is taken as the judgment basis, so that the situation that the motor generates a large amount of heat due to the fact that the longest working time is exceeded is favorably prevented, the service life of the motor is shortened, and the window motor can be effectively protected finally.
Drawings
Fig. 1 is a schematic flowchart of a control method for a window motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vehicle window motor control device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, which is a schematic flow chart of a control method of a vehicle window motor according to an embodiment of the present invention, the method includes steps S101 to S104:
s101: and acquiring the working current value and a first preset locked-rotor current value of the vehicle window motor.
In a specific embodiment, the obtaining of the working current value of the vehicle window motor specifically includes:
acquiring a car window lifting request signal, and controlling a car window motor according to the car window lifting request signal so that the car window motor controls the car window to ascend or descend;
and when the window motor controls the window to ascend or descend, acquiring the working current value of the window motor.
S102: and when the abnormal operation of the window motor is judged according to the working current value and the first preset locked-rotor current value, recording the abnormal working current value and updating the abnormal times of the motor.
In this embodiment, the determining that the window motor operates abnormally according to the working current and the first preset locked-rotor current value specifically includes:
the abnormal operation includes: idling operation;
when the working current value is smaller than the first preset locked-rotor current value, recording a first duration, and if the first duration is larger than a first preset time threshold, judging that the window motor runs in an idle mode, and controlling the window motor to stop running; and if the first duration time is less than the first preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
The abnormal operation further comprises: locked-rotor operation;
when the working current value is larger than the first preset locked-rotor current value, recording a second duration, and if the second duration is larger than a second preset time threshold, judging that the window motor is locked-rotor and controlling the window motor to stop running; and if the second duration time is less than the second preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
The first preset time threshold and the second preset time threshold are both preset longest working time, so that the motor can be prevented from generating a large amount of heat due to the fact that the longest working time is exceeded, and the service life of the motor is finally reduced.
In an embodiment, the recording the abnormal operating current value specifically includes:
judging the idle running of the window motor, and controlling the window motor to stop running, and then obtaining a maximum driving current value according to the working current value;
and taking the maximum driving current value as the abnormal working current value and recording the abnormal working current value.
In a specific embodiment, the updating the abnormal times of the motor specifically includes: when the abnormal operation of the window motor is judged once, the abnormal times of the motor are accumulated once.
S103: and when the updated abnormal times of the motor are equal to a preset numerical value, resetting the locked-rotor current value according to the abnormal working current value to obtain a second preset locked-rotor current value.
Preferably, the preset value is 3. Wherein the preset value is 3 because: if the preset value is too low, the locked-rotor current value needs to be reset only by one abnormal operation of the motor twice, so that the motor is too sensitive to the abnormal operation and the locked-rotor current value is frequently set, and the normal operation of the motor is easily influenced; if the preset value is too high, the locked-rotor current value can be reset only by the abnormal operation of the motor for many times, namely, the motor can be damaged due to the repeated abnormal operation in the process that the locked-rotor current value is not set timely. The invention requires that the motor is required to be reset after the abnormal times reach 3 times, so that the normal operation of the motor can be ensured, the locked-rotor current value can be reset in time, and the motor is effectively protected finally.
In this embodiment, the resetting of the locked-rotor current value according to the abnormal operating current value to obtain a second preset locked-rotor current value specifically includes:
acquiring a maximum current value from the abnormal working current values;
and resetting the locked-rotor current value according to the maximum current value to obtain a second preset locked-rotor current value.
In a specific embodiment, the method further comprises: and after the locked-rotor current value is reset, resetting the abnormal times of the motor so as to set the locked-rotor current value next time.
In one embodiment, when the updated abnormal number of the motor is smaller than a preset value, the locked-rotor current value does not need to be reset.
S104: and controlling the window motor according to the second preset locked-rotor current value.
To further explain the control device of the window motor, please refer to fig. 2, fig. 2 is a schematic structural diagram of the control device of the window motor according to an embodiment of the present invention, including: an acquisition module 201, a recording module 202, a setting module 203 and a control module 204.
The obtaining module 201 is configured to obtain a working current value and a first preset locked-rotor current value of the vehicle window motor.
The recording module 202 is configured to record an abnormal operating current value and update the abnormal times of the motor when it is determined that the window motor operates abnormally according to the operating current value and the first preset locked-rotor current value.
In this embodiment, the determining that the window motor operates abnormally according to the working current and the first preset locked-rotor current value specifically includes:
the abnormal operation includes: idling operation;
when the working current value is smaller than the first preset locked-rotor current value, recording a first duration, and if the first duration is larger than a first preset time threshold, judging that the window motor runs in an idle mode, and controlling the window motor to stop running; and if the first duration time is less than the first preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
The abnormal operation further comprises: locked-rotor operation;
when the working current value is larger than the first preset locked-rotor current value, recording a second duration, and if the second duration is larger than a second preset time threshold, judging that the window motor is locked-rotor and controlling the window motor to stop running; and if the second duration time is less than the second preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
In an embodiment, the recording the abnormal operating current value specifically includes:
judging the idle running of the window motor, and controlling the window motor to stop running, and then obtaining a maximum driving current value according to the working current value;
and taking the maximum driving current value as the abnormal working current value and recording the abnormal working current value.
The setting module 203 is configured to reset a locked-rotor current value according to the abnormal working current value when the updated abnormal number of times of the motor is equal to a preset value, so as to obtain a second preset locked-rotor current value.
In this embodiment, the resetting of the locked-rotor current value according to the abnormal operating current value to obtain a second preset locked-rotor current value specifically includes:
acquiring a maximum current value from the abnormal working current values;
and resetting the locked-rotor current value according to the maximum current value to obtain a second preset locked-rotor current value.
The control module 204 is configured to control the window motor according to the second preset locked-rotor current value.
According to the embodiment of the invention, firstly, the working current value and a first preset locked-rotor current value of the window motor are obtained through the obtaining module 201; when the abnormal operation of the window motor is judged according to the working current value and the first preset locked-rotor current value through the recording module 202, recording the abnormal working current value and updating the abnormal times of the motor; then, when the updated abnormal times of the motor are equal to a preset value, a setting module 303 resets a locked-rotor current value according to the abnormal working current value to obtain a second preset locked-rotor current value; and finally, controlling the window motor through a control module 204 according to the second preset locked-rotor current value.
The embodiment of the invention can adaptively adjust the locked-rotor current value when the window motor abnormally operates, and can effectively avoid the problem that the window motor cannot be really protected because the locked-rotor current value is a fixed value, such as: if the fixed locked-rotor current value is set to be too low, the vehicle window cannot normally operate, namely cannot normally rise to the top or fall to the bottom; if the fixed locked-rotor current value is set too high or when the motor is in idle running, the locked-rotor condition and the locked-rotor protection cannot be achieved. Therefore, when the motor has abnormal conditions such as locked rotor or idling and the like, the abnormal working current value is obtained, and after the abnormal times of the motor reach the preset value, the locked rotor current value is reset according to the abnormal working current value, the locked rotor current value can be flexibly set from the actual working state of the motor, the motor can be suitable for various working environments, the motor can be effectively protected in various working environments and various working states of the motor, and the motor is prevented from being seriously damaged due to long-time locked rotor.
Secondly, the invention requires that the motor abnormal times reach the preset value, and then the operation of resetting the locked-rotor current value can be carried out, thereby preventing the motor from being sensitive to abnormal operation and frequently setting the locked-rotor current value, and finally influencing the normal operation of the motor. The abnormal times of the motor reach a preset value, which means that the motor really has problems and is abnormal when running for many times; the motor is reset on the premise of confirming that the motor is indeed abnormal, operation redundancy is avoided, effectiveness of resetting a locked-rotor current value is improved, and the motor can be prevented from being damaged greatly due to locked-rotor.
Finally, when the abnormal operation of the window motor is judged, the preset time threshold value, namely the preset longest working time is taken as the judgment basis, so that the situation that the motor generates a large amount of heat due to the fact that the longest working time is exceeded is favorably prevented, the service life of the motor is shortened, and the window motor can be effectively protected finally.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A control method of a window motor, characterized by comprising:
acquiring a working current value and a first preset locked-rotor current value of a vehicle window motor;
when the abnormal operation of the window motor is judged according to the working current value and the first preset locked-rotor current value, recording an abnormal working current value and updating the abnormal times of the motor;
when the updated abnormal times of the motor are equal to a preset value, resetting a locked-rotor current value according to the abnormal working current value to obtain a second preset locked-rotor current value;
and controlling the window motor according to the second preset locked-rotor current value.
2. The control method of the window motor according to claim 1, wherein the determining that the window motor operates abnormally according to the operating current and the first preset locked-rotor current value specifically includes:
the abnormal operation includes: idling operation;
when the working current value is smaller than the first preset locked-rotor current value, recording a first duration, and if the first duration is larger than a first preset time threshold, judging that the window motor runs in an idle mode, and controlling the window motor to stop running; and if the first duration time is less than the first preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
3. The control method of a window motor according to claim 2, wherein the abnormal operation further includes: locked-rotor operation;
when the working current value is larger than the first preset locked-rotor current value, recording a second duration, and if the second duration is larger than a second preset time threshold, judging that the window motor is locked-rotor and controlling the window motor to stop running; and if the second duration time is less than the second preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
4. The control method of the vehicle window motor according to claim 3, wherein the step of resetting the locked-rotor current value according to the abnormal operating current value to obtain a second preset locked-rotor current value specifically comprises:
acquiring a maximum current value from the abnormal working current values;
and resetting the locked-rotor current value according to the maximum current value to obtain a second preset locked-rotor current value.
5. The control method of the window motor according to any one of claims 1 to 4, wherein the recording of the abnormal operating current value is specifically:
judging the idle running of the window motor, and controlling the window motor to stop running, and then obtaining a maximum driving current value according to the working current value;
and taking the maximum driving current value as the abnormal working current value and recording the abnormal working current value.
6. A control device of a window motor, characterized by comprising: the device comprises an acquisition module, a recording module, a setting module and a control module;
the acquisition module is used for acquiring a working current value and a first preset locked-rotor current value of the vehicle window motor;
the recording module is used for recording an abnormal working current value and updating the abnormal times of the motor when the abnormal operation of the window motor is judged according to the working current value and the first preset locked-rotor current value;
the setting module is used for resetting a locked-rotor current value according to the abnormal working current value when the updated abnormal times of the motor are equal to a preset numerical value to obtain a second preset locked-rotor current value;
and the control module is used for controlling the window motor according to the second preset locked-rotor current value.
7. The control device of the window motor according to claim 6, wherein the determining of the abnormal operation of the window motor according to the operating current and the first preset locked-rotor current value is specifically:
the abnormal operation includes: idling operation;
when the working current value is smaller than the first preset locked-rotor current value, recording a first duration, and if the first duration is larger than a first preset time threshold, judging that the window motor runs in an idle mode, and controlling the window motor to stop running; and if the first duration time is less than the first preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
8. The control device for the window motor according to claim 7, wherein the abnormal operation further includes: locked-rotor operation;
when the working current value is larger than the first preset locked-rotor current value, recording a second duration, and if the second duration is larger than a second preset time threshold, judging that the window motor is locked-rotor and controlling the window motor to stop running; and if the second duration time is less than the second preset time threshold, judging that the window motor normally operates, and controlling the window motor to continuously operate.
9. The control device for the vehicle window motor according to claim 8, wherein the second preset locked-rotor current value is obtained by resetting the locked-rotor current value according to the abnormal operating current value, and specifically comprises:
acquiring a maximum current value from the abnormal working current values;
and resetting the locked-rotor current value according to the maximum current value to obtain a second preset locked-rotor current value.
10. The control device for the window motor according to any one of claims 6 to 9, wherein the recording of the abnormal operating current value is specifically:
judging the idle running of the window motor, and controlling the window motor to stop running, and then obtaining a maximum driving current value according to the working current value;
and taking the maximum driving current value as the abnormal working current value and recording the abnormal working current value.
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| CN202110826110.3A CN113503107A (en) | 2021-07-21 | 2021-07-21 | Control method and device for vehicle window motor |
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| CN202110826110.3A CN113503107A (en) | 2021-07-21 | 2021-07-21 | Control method and device for vehicle window motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999276A (en) * | 2022-12-22 | 2023-04-25 | 珠海格力电器股份有限公司 | Control method and control device of filter screen cleaning device, storage medium and electric appliance |
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| CN115999276B (en) * | 2022-12-22 | 2024-04-16 | 珠海格力电器股份有限公司 | Control method and control device of filter screen cleaning device, storage medium and electric appliance |
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