CN111572498A - Wiper arm pressure adjusting device and method for windshield wiper and vehicle - Google Patents
Wiper arm pressure adjusting device and method for windshield wiper and vehicle Download PDFInfo
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- CN111572498A CN111572498A CN202010284665.5A CN202010284665A CN111572498A CN 111572498 A CN111572498 A CN 111572498A CN 202010284665 A CN202010284665 A CN 202010284665A CN 111572498 A CN111572498 A CN 111572498A
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- pressure
- vehicle
- control module
- signal
- wind speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3411—Wiper arms; Mountings therefor with means for varying wiper-blade pressure on windshield during operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The application provides a wiper arm pressure adjusting device and method of a wiper and a vehicle, wherein the device comprises a wind speed sensor, a vehicle control module and a pressure adjusting actuator; one end of the vehicle control module is connected with the wind speed sensor, and the other end of the vehicle control module is connected with the pressure adjusting actuator; the wind speed sensor can acquire a vehicle windward speed signal and send the vehicle windward speed signal to the vehicle control module; the vehicle control module can receive a vehicle windward speed signal and output a pressure control demand signal to the pressure regulation actuator according to the vehicle windward speed signal, the wind speed and the pressure characteristic curve; the pressure regulating actuator is configured to receive the pressure control demand signal and execute it. The wiper arm pressure adjusting device that scrapes that this application embodiment provided can scrape the size of arm pressure according to wind speed intelligent regulation wiper, prevents to scrape because of the improper hourglass that appears of pressure regulation, scrape that the upset sound is great and adhesive tape and glass's phenomenon such as the friction sound is great.
Description
Technical Field
The application relates to the technical field of vehicle wipers, in particular to a wiper arm pressure adjusting device and method for a wiper and a vehicle.
Background
With the rapid development of the automobile industry, each automobile host factory pays more and more attention to the automobile with high safety performance. In order to meet the requirements of customers on the safety of automobiles, various entire automobile factories have gradually shifted the center of gravity of technical development to safety devices.
The wiper is a direct device in charge of cleaning the windshield glass of the automobile, removes sundries such as rain, snow, dust and the like of the windshield glass completely, provides better driving sight for a driver and ensures safe driving of the driver. As a sample in the safety performance, the automobile wiper is widely regarded by the whole automobile factory. The wiper consists of a system of four major components: the windscreen wiper comprises a windscreen wiper motor, a windscreen wiper transmission connecting rod, a windscreen wiper arm and a windscreen wiper blade. The stability of scraping arm system pressure can guarantee windshield wiper blade when scraping the brush and to windshield's laminating degree and compress tightly the degree, improves and scrapes brush quality and durability.
The pressure applied to the scraping blade by the hook head at the front end of the traditional scraping arm is higher than the standard specified range, so that the pressure and the friction force of the scraping blade on the attached front windshield are increased, and the abrasion degree of the scraping blade is further increased. After the rubber belt is durable, the poor phenomena of unclean scraping of the scraping blade, increased noise and the like can occur; the pressure that applies for the doctor-bar when tradition scrapes arm front end eave tile is less than standard regulation scope, can lead to doctor-bar and front windshield laminating degree not enough, and then appears the waterline and leak even scrapes etc. and scrape incomplete phenomenon, makes driver and crew's the field of vision.
Disclosure of Invention
The technical problem that wiper arm pressure is difficult to adjust to the fit range among the prior art is solved in this application.
In order to solve the technical problem, a first aspect of the embodiments of the present application discloses a wiper arm pressure adjusting device for a wiper, which includes an air speed sensor, a vehicle control module and a pressure adjusting actuator;
one end of the vehicle control module is connected with the wind speed sensor, and the other end of the vehicle control module is connected with the pressure adjusting actuator;
the wind speed sensor can acquire a vehicle windward speed signal and send the vehicle windward speed signal to the vehicle control module;
the vehicle control module can receive a vehicle windward speed signal and output a pressure control demand signal to the pressure regulation actuator according to the vehicle windward speed signal, the wind speed and the pressure characteristic curve;
the pressure regulating actuator is configured to receive the pressure control demand signal and execute it.
Further, the pressure regulating actuator includes a servo motor.
Further, the wiper arm pressure adjusting device further comprises a relay, one end of the relay is connected with the vehicle control module, and the other end of the relay is connected with the pressure adjusting actuator.
Further, this wiper arm pressure adjustment device still includes the fuse, and the one end and the relay of fuse are connected, and the other end and the pressure adjustment executor of fuse are connected, and pressure control demand signal passes through relay and fuse and transmits for the pressure adjustment executor.
Further, the wind speed sensor is connected with the vehicle control module through a local area internet.
The second aspect of the application provides a wiper arm pressure adjusting method, which comprises the steps of acquiring a windward speed signal of a vehicle by adopting an air speed sensor;
the control wind speed sensor sends a vehicle windward speed signal to the vehicle control module;
the control vehicle control module outputs a pressure control demand signal to the pressure regulation actuator according to the signal, the wind speed and the pressure characteristic curve;
and the control pressure regulating actuator receives the pressure control demand signal and executes the pressure control demand signal.
Further, the pressure regulating actuator includes a servo motor.
Further, controlling the vehicle control module to output a pressure control demand signal to the pressure regulating actuator based on the signal, the wind speed, and the pressure characteristic curve, includes:
and the control vehicle control module outputs a pressure control demand signal according to the signal, the wind speed and the pressure characteristic curve, and transmits the pressure control demand signal to the pressure regulation actuator through the relay and the fuse in sequence.
Further, controlling the wind speed sensor to send a vehicle windward speed signal to the vehicle control module comprises:
and the control wind speed sensor sends a vehicle windward speed signal to the vehicle control module through the local area internet.
A third aspect of the present application discloses a vehicle including a wiper arm pressure adjusting device.
By adopting the technical scheme, the application has the following beneficial effects:
the wiper arm pressure adjusting device that scrapes that this application embodiment provided can scrape the size of arm pressure according to wind speed intelligent regulation wiper, prevents to scrape because of the improper hourglass that appears of pressure regulation, scrape that the upset sound is great and adhesive tape and glass's phenomenon such as the friction sound is great.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a wiper arm pressure adjusting apparatus according to an embodiment of the present application;
FIG. 2 is a graph illustrating wind speed and pressure coefficient characteristics according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a wiper arm pressure adjusting device according to an embodiment of the present application;
fig. 4 is a schematic view of a wiper arm structure of a wiper arm pressure adjusting apparatus according to an embodiment of the present application;
fig. 5 is a schematic flow chart illustrating a wiper arm pressure adjusting method according to an embodiment of the present disclosure;
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the embodiments of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
Referring to fig. 1, fig. 1 is a schematic view of a wiper arm pressure adjusting device according to an embodiment of the present disclosure, where the wiper arm pressure adjusting device in fig. 1 includes an air speed sensor, a vehicle control module, and a pressure adjusting actuator;
one end of the vehicle control module is connected with the wind speed sensor, and the other end of the vehicle control module is connected with the pressure adjusting actuator;
the wind speed sensor can acquire a vehicle windward speed signal and send the vehicle windward speed signal to the vehicle control module; the wind speed sensor in the embodiment of the application can be arranged at the position of the roof of the vehicle.
The vehicle control module can receive a vehicle windward speed signal and output a pressure control demand signal to the pressure regulating actuator according to the vehicle windward speed signal, the wind speed and the pressure coefficient characteristic curve, wherein the pressure control demand can be the pressure required by the scraping arm.
The pressure regulating actuator is configured to receive the pressure control demand signal and execute it.
In the embodiment of the present application, the characteristic curves of the wind speed and the pressure coefficient are shown in fig. 3, the pressure coefficients under different wind speeds and working conditions are shown in table 1, the pressure coefficient corresponding to the wind speed can be obtained from fig. 3 and table 1, and the pressure of the wiper arm can be obtained according to the pressure coefficient and the length of the wiper blade of the wiper arm, wherein the pressure of the wiper arm is the pressure coefficient and the length of the wiper blade; for example, when the blade length is 600mm, the wiper arm pressure coefficient is 16N/m, and the actual wiper arm pressure is 9.6N.
Table 1: pressure coefficient under different wind speeds and working conditions
The wiper arm pressure adjusting device that scrapes that this application embodiment provided can scrape the size of arm pressure according to wind speed intelligent regulation wiper, prevents to scrape because of the improper hourglass that appears of pressure regulation, scrape that the upset sound is great and adhesive tape and glass's phenomenon such as the friction sound is great.
In the embodiment of the present application, the pressure adjusting actuator may be a servo motor.
In the embodiment of the application, as shown in fig. 3, the wiper arm pressure adjusting device may further include a relay and a fuse, one end of the relay is connected to the vehicle control module, the other end of the relay is connected to one end of the fuse, the other end of the fuse is connected to the pressure adjusting actuator, and the pressure control demand signal is transmitted to the pressure adjusting actuator through the relay and the fuse.
In the embodiment of the application, the wind speed sensor is connected with the vehicle control module through a local area internet.
In the embodiment of the present application, the wiper arm pressure adjusting device further includes an executing portion, which is a wiper arm structure, as shown in fig. 4, the wiper arm structure includes a wiper arm base 1, a C-shaped spring 2, a first spring 3, an arm plate 4, a thin link 5, a connector 6, a key rack 7 and a gear 8; the arm seat 1 of the scraping arm is connected with the wall plate 4, the arm plate 4 is welded with the thin connecting rod 5, and the thin connecting rod 5 is welded with the connector 6; one end of a C-shaped spring 2 is connected with the scraping arm seat 1 in a hanging mode, the other end of the C-shaped spring 2 is connected with a first spring 3 in a hanging mode, the first spring 3 is connected with a key rack 7 in a hanging mode, the key rack 7 penetrates through a via hole support on the arm plate 4, the key rack 7 is meshed with a gear 8, a servo motor 9 is arranged in the middle of the gear 8, and the servo motor 9 can drive the gear 8 to do circular motion.
A second aspect of the present application provides a wiper arm pressure adjusting method, and fig. 5 is a schematic flow chart of the wiper arm pressure adjusting method; the method comprises the following steps:
s1, acquiring a windward speed signal of the vehicle by using a wind speed sensor;
s2, controlling the wind speed sensor to send a vehicle windward speed signal to the vehicle control module;
s3, controlling the vehicle control module to output a pressure control demand signal to the pressure regulation actuator according to the signal, the wind speed and the pressure coefficient characteristic curve;
and S4, controlling the pressure regulating actuator to receive the pressure control demand signal and executing.
In the embodiment of the present application, the pressure adjusting actuator may be a servo motor.
In the embodiment of the application, the control vehicle control module outputs the pressure control demand signal to the pressure regulation actuator according to the signal, the wind speed and the pressure coefficient characteristic curve, and the control vehicle control module comprises:
and the control vehicle control module outputs a pressure control demand signal according to the signal, the wind speed and the pressure coefficient characteristic curve, and transmits the pressure control demand signal to the pressure regulation actuator through the relay and the fuse in sequence.
In the embodiment of the application, the control wind speed sensor sends the windward speed signal of the vehicle to the vehicle control module, which includes:
and the control wind speed sensor sends a vehicle windward speed signal to the vehicle control module through the local area internet.
A third aspect of the present application discloses a vehicle including a wiper arm pressure adjusting device.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A wiper arm pressure regulating device of a wiper is characterized by comprising an air speed sensor, a vehicle control module and a pressure regulating actuator;
one end of the vehicle control module is connected with the wind speed sensor, and the other end of the vehicle control module is connected with the pressure adjusting actuator;
the wind speed sensor can acquire a vehicle windward speed signal and send the vehicle windward speed signal to the vehicle control module;
the vehicle control module can receive the vehicle windward speed signal and output a pressure control demand signal to the pressure regulation actuator according to the vehicle windward speed signal, the wind speed and the pressure characteristic curve;
the pressure regulating actuator is configured to receive the pressure control demand signal and execute it.
2. The wiper arm pressure adjustment device of claim 1, wherein the pressure adjustment actuator comprises a servo motor.
3. The wiper arm pressure regulating device according to claim 1, further comprising a relay, one end of which is connected to the vehicle control module, and the other end of which is connected to the pressure regulating actuator.
4. The wiper arm pressure adjusting device according to claim 1, further comprising a fuse, one end of which is connected to the relay, and the other end of which is connected to the pressure adjusting actuator, the pressure control demand signal being transmitted to the pressure adjusting actuator through the relay and the fuse.
5. The wiper arm pressure regulating device according to claim 1, wherein the wind speed sensor is connected to the vehicle control module via a local area internet network.
6. A method for adjusting the pressure of a wiper arm of a windshield wiper is characterized in that,
acquiring a windward speed signal of a vehicle by adopting a wind speed sensor;
controlling the wind speed sensor to send the vehicle windward speed signal to a vehicle control module;
controlling the vehicle control module to output a pressure control demand signal to the pressure regulation actuator according to the signal, the wind speed and the pressure characteristic curve;
and controlling the pressure regulating actuator to receive the pressure control demand signal and execute the pressure control demand signal.
7. The wiper arm pressure adjustment method as set forth in claim 6, wherein the pressure adjustment actuator includes a servo motor.
8. The wiper arm pressure adjustment method according to claim 6, wherein said controlling the vehicle control module to output a pressure control demand signal to the pressure adjustment actuator based on the signal, the wind speed and the pressure characteristic curve includes:
and controlling the vehicle control module to output a pressure control demand signal according to the signal, the wind speed and the pressure characteristic curve, and transmitting the pressure control demand signal to the pressure regulation actuator through a relay and a fuse in sequence.
9. The wiper arm pressure adjustment method according to claim 6, wherein said controlling said wind speed sensor to send said vehicle windward speed signal to a vehicle control module comprises:
and controlling the wind speed sensor to send the vehicle windward speed signal to the vehicle control module through a local area internet.
10. A vehicle characterized by comprising the wiper arm pressure adjusting apparatus of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284665.5A CN111572498B (en) | 2020-04-13 | 2020-04-13 | Wiper arm pressure adjusting device and method and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284665.5A CN111572498B (en) | 2020-04-13 | 2020-04-13 | Wiper arm pressure adjusting device and method and vehicle |
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| CN111572498A true CN111572498A (en) | 2020-08-25 |
| CN111572498B CN111572498B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010284665.5A Active CN111572498B (en) | 2020-04-13 | 2020-04-13 | Wiper arm pressure adjusting device and method and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697696A (en) * | 2020-12-09 | 2021-04-23 | 贵阳万江航空机电有限公司 | Wiper blade and glass friction force tester and testing method thereof |
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|---|---|---|---|---|
| EP0549395A1 (en) * | 1991-12-20 | 1993-06-30 | Paul Journee S.A. | Windscreen wiper comprising means for detection of the relative windspeed, especially for a motor vehicle |
| JPH0891178A (en) * | 1994-09-27 | 1996-04-09 | Mitsubishi Automob Eng Co Ltd | Pressing force control device of wiper |
| EP1008501A1 (en) * | 1997-11-12 | 2000-06-14 | Robert Bosch Gmbh | Screen washing device for vehicles |
| CN107131995A (en) * | 2017-06-30 | 2017-09-05 | 吉林大学 | A kind of Wiper pressing force distribution air tunnel testing device and wiper control method |
| CN108202699A (en) * | 2016-12-19 | 2018-06-26 | 华晨汽车集团控股有限公司 | A kind of pressure adjustable rain brush scrapes arm assembly and control method |
| CN209505694U (en) * | 2019-01-18 | 2019-10-18 | 重庆菲斯塔新能源汽车科技有限公司 | A kind of vehicle windscreen wiper device |
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2020
- 2020-04-13 CN CN202010284665.5A patent/CN111572498B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0549395A1 (en) * | 1991-12-20 | 1993-06-30 | Paul Journee S.A. | Windscreen wiper comprising means for detection of the relative windspeed, especially for a motor vehicle |
| JPH0891178A (en) * | 1994-09-27 | 1996-04-09 | Mitsubishi Automob Eng Co Ltd | Pressing force control device of wiper |
| EP1008501A1 (en) * | 1997-11-12 | 2000-06-14 | Robert Bosch Gmbh | Screen washing device for vehicles |
| CN108202699A (en) * | 2016-12-19 | 2018-06-26 | 华晨汽车集团控股有限公司 | A kind of pressure adjustable rain brush scrapes arm assembly and control method |
| CN107131995A (en) * | 2017-06-30 | 2017-09-05 | 吉林大学 | A kind of Wiper pressing force distribution air tunnel testing device and wiper control method |
| CN209505694U (en) * | 2019-01-18 | 2019-10-18 | 重庆菲斯塔新能源汽车科技有限公司 | A kind of vehicle windscreen wiper device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697696A (en) * | 2020-12-09 | 2021-04-23 | 贵阳万江航空机电有限公司 | Wiper blade and glass friction force tester and testing method thereof |
| CN112697696B (en) * | 2020-12-09 | 2023-08-15 | 贵阳万江航空机电有限公司 | Wiper blade and glass friction tester and testing method thereof |
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| CN111572498B (en) | 2023-05-23 |
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