WO2022162235A1 - Système de nettoyage d'une surface vitrée d'un véhicule - Google Patents
Système de nettoyage d'une surface vitrée d'un véhicule Download PDFInfo
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- WO2022162235A1 WO2022162235A1 PCT/EP2022/052291 EP2022052291W WO2022162235A1 WO 2022162235 A1 WO2022162235 A1 WO 2022162235A1 EP 2022052291 W EP2022052291 W EP 2022052291W WO 2022162235 A1 WO2022162235 A1 WO 2022162235A1
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- Prior art keywords
- cleaning
- cleaning device
- liquid
- alternative
- control module
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- 238000004140 cleaning Methods 0.000 title claims abstract description 320
- 239000007788 liquid Substances 0.000 claims abstract description 147
- 239000007921 spray Substances 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims description 43
- 230000004913 activation Effects 0.000 claims description 26
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- 238000000034 method Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 31
- 239000011521 glass Substances 0.000 description 16
- 230000003749 cleanliness Effects 0.000 description 10
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Images
Classifications
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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
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/481—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
- B60S1/485—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
-
- 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
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
-
- 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
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/481—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
-
- 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
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
-
- 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
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
-
- 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
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/50—Arrangement of reservoir
Definitions
- the present invention relates to the field of cleaning the glass surfaces of a vehicle. More particularly, the invention relates to driving assistance systems, or vehicle lighting or signaling modules, which comprise a detection and/or emission member and a system for cleaning this detection member and/or emission.
- Recent vehicles are regularly equipped with driver assistance systems, whether to help the driver during parking maneuvers, when driving in traffic compared to other vehicles, or whether to replace the driver in self-driving vehicles.
- Each of these systems comprises at least one detection and/or emission device, making it possible to identify the environment of the vehicle, this device possibly consisting, for example and in a non-exhaustive manner, of a sensor of the camera or radar type.
- Each detection and/or emission member is configured to acquire data relating to the environment surrounding the vehicle, through a glazed surface associated with this member, and in this context the glazed surface is exposed to different types of projection or soiling which can subsequently penalize the reliability of the acquired data.
- these components are implemented as part of an autonomous driving function regardless of its degree of autonomy, it is essential for the safety of all road users that the data acquired is reliable.
- detection and/or emission devices are commonly equipped with cleaning systems, which can take different forms.
- an alternative means of cleaning may consist of a compressed air blast and the effectiveness of cleaning by air blast is not optimal when stubborn dirt is present on the glass surface.
- the present invention guarantees a compromise between the use of a cleaning device by liquid spraying and an alternative cleaning device by proposing a system for cleaning a glazed surface of a vehicle, comprising at least one cleaning device by liquid spray provided with at least one cleaning liquid storage tank, the cleaning system further comprising at least one reciprocating cleaning device and at least one control module configured to selectively control the cleaning device by spraying of liquid and/or the alternative cleaning device during a cleaning operation, characterized in that the cleaning system comprises a data acquisition assembly configured to detect a qualitative or quantitative characteristic of the cleaning system, the pilot being configured to pilot the liquid jetting cleaning device and/or the cleaning device alternative depending on said qualitative or quantitative characteristic detected.
- Such a cleaning system therefore comprises at least two cleaning devices, one of which is a liquid spray, and controlled so as to be able to select the most suitable cleaning device for a given situation.
- the alternative cleaning device has the advantage of not depending on any reserve of cleaning fluid and therefore of being able to be used at will.
- the liquid jetting cleaning device has a more effective cleaning capability than the alternative cleaning device, but operates subject to the presence of cleaning liquid.
- the cleaning system according to the invention makes it possible, depending on the qualitative or quantitative characteristic detected by the data acquisition assembly, to select one or the other of the cleaning devices in order to clean one or more glass surfaces in an optimal way, while ensuring the proper functioning of each of the cleaning devices.
- control module is configured to activate the alternative cleaning device on an ad hoc or continuous basis depending on the qualitative or quantitative characteristic detected.
- Occasional activation can, for example, be carried out in order to remove dirt that has deposited on the glass surface.
- Continuous activation can be activated as a preventive measure to prevent the deposit of dirt on the glass surface.
- the qualitative or quantitative characteristic detected is a quantity and/or a type of dirt detected on the glazed surface, the control module being configured to activate the device for cleaning by liquid projection or the device for alternative cleaning on an ad hoc basis.
- the data acquisition set is particularly configured to analyze the cleanliness of the glazed surface, whether it is the quantity of dirt present on the glazed surface or the type of this dirt.
- a data acquisition assembly is then formed of at least one data acquisition device comprising video acquisition means and image processing and analysis means.
- the type of soiling is decisive for the choice of the cleaning device to be used. It may for example be superfluous to use the liquid jet cleaning device if the quantity and/or type of dirt detected on the glass surface can be removed using the alternative cleaning device, for example the deposit of a fluid in the form of drops. In this way, it is possible to save cleaning liquid which remains available for subsequent cleaning actions where the dirt will be more stubborn or in greater number.
- control module then activates the liquid spray cleaning device.
- control module is configured to compare the type of dirt detected with a database and to activate the cleaning device by liquid projection in priority to the activation of the alternative cleaning device when the type of dirt detected corresponds to a type of stubborn dirt.
- a comparison with a database can be useful in order not to activate the alternative cleaning device unnecessarily insofar as a stain is stubborn and cannot be cleaned effectively via the alternative cleaning device.
- the qualitative or quantitative characteristic detected is a remaining quantity of cleaning liquid within the storage tank of the cleaning device by liquid projection, the control module being configured to activate the cleaning device by liquid projection or the alternative cleaning device on a one-off or continuous basis.
- the objective of relying on the remaining quantity of cleaning liquid is to save the latter as much as possible so as not to be faced with an empty storage tank.
- the lower the remaining quantity of cleaning liquid in the tank the more the control module tends to favor the use of the alternative cleaning device in order to save cleaning liquid.
- the data acquisition assembly is particularly provided for detecting the level of liquid remaining in the storage tank, and may in particular be formed of at least one float-type data acquisition device, the position in the tank indicates the remaining liquid level, or in an optical type data acquisition device, with means for transmitting and receiving waves.
- the cleaning system can be configured to prioritize one qualitative or quantitative characteristic over another.
- the cleaning system can for example first check the remaining quantity of cleaning liquid and act according to said quantity, or else focus on the quantity and/or type of soiling, and use the cleaning device suitable without taking into account the remaining amount of cleaning fluid.
- control module is configured to activate the cleaning device by spraying liquid in priority to an activation of the alternative cleaning device when the remaining quantity of cleaning liquid within the storage tank of the liquid spray cleaning device is greater than a first threshold value.
- first threshold value when the remaining quantity of cleaning liquid is greater than said first threshold value, this means that there remains sufficient cleaning liquid for the cleaning system to be able to activate the cleaning device by spraying liquid whatever happens, without running the risk of generating a shortage of this liquid in the short term. This ensures effective dirt removal without worrying about the remaining amount of cleaning fluid in the storage tank.
- the first threshold value may correspond to a percentage filling of the reservoir, and in the present case to a capacity of 50% of a total volume of the cleaning liquid storage reservoir.
- control module is configured to activate the alternative cleaning device on an ad hoc basis in priority to an activation of the cleaning device by spraying liquid when the remaining quantity of cleaning liquid within the storage tank of the liquid spray cleaning device is between the first threshold value and a second threshold value lower than the first threshold value.
- a quantity of liquid between these two threshold values means that the remaining quantity of cleaning liquid is not yet at a critical stage, but this means however that it is wise to save liquid of cleaning.
- control module will favor the use of the alternative cleaning device in order to limit the use of the cleaning device by liquid projection and thus to keep the cleaning liquid remaining in the storage tank for situations requiring a projection of liquid.
- the second threshold value may correspond to a percentage filling of the reservoir, and in the present case the second threshold value may for example correspond to a capacity of 20% of a total volume of the cleaning liquid storage reservoir.
- the use of the alternative cleaning device is done on an ad hoc basis, for example with the aim of removing dirt that has deposited on the glass surface, or a small number such dirt.
- the occasional activation of the alternative cleaning device lasts between 1 second and 3 seconds. It has been determined that this time interval corresponds to the time required to evacuate a soil via the alternative cleaning device. Activation of the alternative cleaning device over a shorter period would not be effective enough to clean the glass surface and conversely, activation over a longer period would involve overconsumption of energy.
- the control module is configured to control detection of the state of cleanliness of the glazed surface when a one-time activation of the alternative cleaning device is generated.
- Such detection of the state of cleanliness occurring after the use of the alternative cleaning device in a timely manner makes it possible to verify the effectiveness of the cleaning by this alternative device, it being understood that the presumed effectiveness of this alternative device is less than that of the device using the cleaning liquid. If this is not the case, that is to say if dirt remains on the glazed surface for example, the control module can for example implement a new one-off use of the alternative cleaning device, being understood that it follows a new detection of the state of cleanliness.
- the control module can also, if the detection of the state of cleanliness of the glazed surface implies an unsatisfactory cleaning result, implement the liquid spray cleaning device in order to favor the cleanliness of the glazed surface, even to cause a decrease in the remaining amount of cleaning liquid in the storage tank.
- the control module is configured to continuously activate the alternative cleaning device as a priority to the cleaning device by liquid projection when the remaining quantity of cleaning liquid within the storage tank of the device cleaning by liquid projection is less than the second threshold value.
- the remaining amount of cleaning liquid is at a critical level.
- the liquid spray cleaning device is therefore in absolute terms no longer used until the storage tank is supplied with cleaning liquid.
- the alternative cleaning device is continuously activated. Such activation makes it possible to prevent the deposit of dirt on the glass surface. For example, in the case of an alternating device blowing air in the direction of the glazed surface, the action of the alternating cleaning device makes it possible to generate a barrier between the glazed surface and the external environment which prevents the deposit of dirt. on the glass surface.
- the qualitative or quantitative characteristic detected is an operating state of the liquid spray cleaning device, the control module being configured to activate the alternative cleaning device continuously in the event of a fault. operation of the liquid spray cleaning device.
- the alternative cleaning device can also be used continuously when the liquid spray cleaning device is unusable or when it can only operate in a degraded mode with performance deemed insufficient.
- the malfunction of the cleaning device by liquid projection can for example be manifested by a leak of the cleaning liquid, a breakdown of the pump allowing the circulation of the cleaning liquid, a malfunction of a liquid projection nozzle of cleaning, or a deterioration in the effectiveness of the cleaning liquid.
- the alternative cleaning device can be a compressed air cleaning device.
- An air blow is carried out in order to project the air on the glazed surface at high pressure in order to evacuate the dirt having deposited on the said glazed surface.
- the air can for example be compressed using a compression device, and guided in the direction of a solenoid valve, the opening of which causes the compressed air to be projected via a suitable projection nozzle.
- the alternative cleaning device is a mechanical and/or electrical cleaning device.
- the alternative cleaning device may for example be a wiping blade capable of wiping the glass surface or a high-speed rotating box comprising a transparent surface covering the surface of the sensor and on which dirt is liable to settle, this dirt then being evacuated by centrifugation.
- the alternative cleaning device may also comprise an electromechanical device ensuring the evacuation of dirt by deformation of the glazed surface or even an electric device ensuring the evacuation of dirt by electrical impulses.
- the invention also covers a cleaning method implemented by a system for cleaning a glazed surface as described above, comprising:
- the control of the two cleaning devices means that these two devices receive an instruction to operate or stop, and that this does not necessarily mean that the two devices are in operation simultaneously.
- the first step can be initiated following detection of dirt on the glazed surface.
- the data acquisition device capable of detecting dirt is permanently active in order to cause the automatic start of the cleaning process as soon as dirt is deposited on the glass surface.
- the cleaning process can however be started manually by a user of the vehicle, for example by pressing a button.
- FIG. 1 is a front view of a vehicle fitted with a detection and/or emission member and a cleaning system according to the invention configured to clean this detection and/or emission member;
- FIG. 1 is a diagram representing a system for cleaning a glazed surface according to a first embodiment of the invention
- the cleaning system comprises a data acquisition assembly configured to detect a qualitative or quantitative characteristic of the cleaning system, the control module being configured to control the liquid spray cleaning device and/or the alternative cleaning device as a function of said detected qualitative or quantitative characteristic.
- This cleaning system will be more particularly described in the case where the glazed surface consists of the glazed surface of a detection and/or emission member, it being understood that what will be described could be applied without departing from the context of the invention for cleaning a glazed surface participating in delimiting the passenger compartment of the vehicle, such as a windshield or a rear window of the vehicle.
- a vehicle 100 can be equipped with a detection and/or emission assembly 102 comprising at least one detection and/or emission member 104 and a cleaning system 1 according to the invention, the cleaning system 1 being configured to ensure that the glazed surface associated here with the detection and/or emission member is free of dirt, that is to say to ensure here that the emission/reception field of the the detection and/or emission member 104 remains unobstructed to allow optimal image acquisition.
- the detection and/or emission assembly 102 can indifferently here consist of a data acquisition system in a vehicle driving assistance system 100 or of a lighting module of a lighting system and/or signaling of this vehicle.
- the detection and/or emission member 104 is, for example, an optical shooting sensor such as a camera. It can be a CCD sensor (for “charged coupled device” in English, namely a charge transfer device) or a CMOS sensor comprising a matrix of miniature photodiodes.
- an optical shooting sensor such as a camera. It can be a CCD sensor (for “charged coupled device” in English, namely a charge transfer device) or a CMOS sensor comprising a matrix of miniature photodiodes.
- it may be an infrared radiation sensor such as an infrared camera, a light emitter such as a headlight, an optoelectronic device such as a light-emitting diode LED (for light-emitting diode), a device for detecting and/or emitting electromagnetic radiation such as a Lidar ("Laser, Imaging, Detection And Ranging") or such as a Radar (“Radio, Detection And Ranging”).
- it may be a member for detection and/or acoustic emission, for example ultrasonic radiation.
- the proper functioning of the latter is dependent on the cleanliness of the glazed surface 3.
- the cleaning system 1 is therefore configured to guarantee the cleanliness of the glazed surface 3 permanently.
- the cleaning system 1 comprises a liquid spray cleaning device 4 and an alternative cleaning device 5.
- the cleaning system 1 thus comprises at least two different means for cleaning the glazed surface 3.
- the liquid spray cleaning device 4 extends from a storage reservoir 8 to a first spray nozzle 11.
- the storage reservoir 8 corresponds to a container of a cleaning liquid 9.
- the first spray nozzle projection 11 is arranged so that the cleaning liquid 9 is projected against the glazed surface 3.
- the liquid spray cleaning device 4 also comprises, in addition to the storage tank 8 and the first spray nozzle 11, a pump 15 and a first solenoid valve 13.
- the pump 15 allows the circulation of the cleaning liquid 9.
- the first solenoid valve 13 is configured to be in the open position in order to allow the circulation of the cleaning liquid 9 from the storage tank 8 to the first spray nozzle 11, or else in the closed position to block the passage of the cleaning liquid 9 towards the first spray nozzle 11 when the cleaning of the glazed surface by spraying liquid is not necessary.
- a remaining amount of cleaning liquid 9 within the storage tank 8 decreases.
- the remaining quantity of cleaning liquid 9 is measured by a second data acquisition device 62, which comprises at least one sensor, for example a level sensor of the float type or else by an optical sensor, arranged in the storage tank and configured to detect data relating to the remaining quantity of liquid, for example in the form of the filling rate of the tank.
- the remaining quantity of cleaning liquid can be defined for example as a function of whether or not a first threshold value 17 and a second threshold value 18 are exceeded. These threshold values are in particular recorded in a database implemented in a control 7 or in a data acquisition assembly 6.
- the behavior of the liquid spray cleaning device 4 can thus vary according to the remaining quantity of cleaning liquid with respect to these threshold values, the second threshold value 18 being lower than the first threshold value 17.
- the first threshold value can for example correspond to 50% of the total volume of the storage tank 8 and the second threshold value 18 can for example correspond to 20% of the total volume of the storage tank 8.
- the alternative cleaning device 5, here partially represented, is, by way of example, a compressed air cleaning device.
- the alternative cleaning device 5 can be a wiper blade, a centrifugal cleaning device, an electromechanical device of the piezoelectric type, a cleaning device by activating electrodes or any other device allowing the wiping and/or cleaning the glass surface 3.
- the reciprocating cleaning device 5 comprises a second spray nozzle 12, a second solenoid valve 14 and a compression device 16.
- the compression device 16 is used to compress air and air tablet can be directed towards the second spray nozzle 12 when the second solenoid valve 14 is in the open position.
- the second spray nozzle 12 is configured so that the compressed air can be sprayed in the direction of the glazed surface 3.
- the two solenoid valves are shown in the closed position.
- the cleaning system 1 also includes a data acquisition set 6 configured to detect a qualitative or quantitative characteristic of the cleaning system.
- This data acquisition assembly may include one or more data acquisition devices specifically provided for the detection of such and such a characteristic. Without this being exhaustive and therefore limiting of the invention, these data acquisition devices may in particular be capable of detecting the ability to transmit and receive data by the sensors on board the vehicle or the sufficient presence of cleaning in the corresponding cleaning system. As will be understood from what follows, the data acquisition assembly of the cleaning system may include one or more of these data acquisition devices.
- the data acquisition assembly 6 can in particular be formed, as illustrated in the , of a data acquisition device, here arbitrarily called first data acquisition device 61, capable of detecting a level of cleanliness of the glazed surface and in particular capable of detecting dirt that may be deposited on the glazed surface 3 during operation of the vehicle, as well as a data acquisition device, here arbitrarily called second data acquisition device 62, capable of detecting the remaining quantity of cleaning liquid 9 within the storage tank 8.
- the first data acquisition device 61 may in particular comprise image processing means to determine whether the detection and/or emission field of the optical sensor is obstructed.
- the cleaning system 1 finally comprises a control module 7.
- the control module 7 is configured to control the liquid spray cleaning device 4 and the alternative cleaning device 5.
- the control module 7 is capable of receiving a qualitative or quantitative characteristic coming from the data acquisition assembly 6, for example the signaling of the deposit of dirt on the glazed surface 3 when the data acquisition assembly is formed by the first data acquisition device 61, or the remaining quantity of cleaning liquid 9 within the storage tank 8 when the data acquisition assembly is formed by the second data acquisition device 62 If necessary, the control module is capable of receiving several qualitative or quantitative characteristics of the cleaning system, and for example when the data acquisition assembly comprises at least the first data acquisition device 61 and the second data acquisition device 62.
- control module 7 can analyze said qualitative and/or quantitative characteristics, and act on the one hand on the pump 15 and on the first solenoid valve 13 to authorize or block the projection of cleaning liquid by the cleaning device by liquid projection 4, and on the other hand on the compression device 16 and on the second solenoid valve 14 to authorize or prevent the operation of the cleaning device alternative 5.
- FIGS. 3 to 6 illustrating different modes of operation of the cleaning system, in particular depending on the information received by the control module 7, the control instructions sent by the control module 7 to the liquid spray cleaning device 4 and to the alternative cleaning device 5 are indicated by the presence or absence of arrows, and by the formation of these arrows in solid or dotted lines.
- the arrows in solid lines represent an activation of one or the other of the cleaning devices in a continuous manner, while the dotted arrows represent an activation of one or the other of the cleaning devices in a punctual way.
- no arrow is present between the control module and one of the cleaning devices, this indicates that no control instruction is formed or that no activation of the corresponding cleaning device is requested, the instruction to keep the cleaning device inactive.
- the vehicle is for example rolling, and dirt 19 has deposited on the glazed surface 3, thus impairing the proper functioning of the detection and/or emission member 104.
- the dirt 19 is thus detected by the first data acquisition device 61 of the data acquisition assembly 6, which sends the qualitative and quantitative characteristics of the dirt 19 to the control module 7, for example the type of dirt 19 and/or the area thereof.
- control module 7 also receives from the data acquisition assembly 6, via the second data acquisition device 62, the quantitative characteristic relating to the storage tank 8, namely the quantity remaining cleaning liquid 9 therein. It should be noted that in the mode of operation illustrated in the , the control module 7 receives qualitative or quantitative characteristics of the cleaning system, both regarding the presence of dirt 19 and the remaining quantity of cleaning liquid 9 within the storage tank 8, due to the configuration of the data acquisition assembly 6 with two data acquisition devices 61, 62, but it is also possible that the control module 7 receives only one or the other of the characteristics of the cleaning system or that the action that will result from the reception of these two characteristics prioritizes one of the characteristics over the other.
- the control module 7 activates the liquid spray cleaning device 4 as a priority, by generating a pump control instruction 15 and a control instruction for the first solenoid valve 13 in order to perform a one-time spraying of cleaning liquid 9 on the glazed surface 3.
- control instructions thus generated allow for a given time, for example for a few seconds, the starting of the pump 15 and the switching of the first solenoid valve 13 into position open so that the cleaning liquid circulates as far as the first spray nozzle 11 and is sprayed against the glazed surface 3, in order to evacuate the dirt 19 from the glazed surface 3 and thus to make the detection member and/or or issue 104 operational again.
- the remaining quantity of cleaning liquid 9 in the storage tank 8 is between 20% and 50% of the total volume of the latter.
- the data acquisition assembly 6 transmits the characteristics relating to the presence of the dirt 19 to the control module 7, as well as the remaining quantity of cleaning liquid 9 within the storage tank 8. If it is determined by the control module 7 that the dirt can be cleaned via the alternative cleaning device 5, for example after comparing the characteristics of the dirt 19 with respect to a database which is not shown and which can be loaded into the memory of the control module 7 or of the data acquisition assembly 6, the control module 7 activates the device as a priority alternative cleaning device 5, by generating a control instruction for the occasional activation of the compression device 16 as well as the opening of the second solenoid valve 14 in order to send a jet of compressed air onto the surface. this glazed 3, for example for 1 second to 3 seconds.
- the activation of the alternative cleaning device 5 by the control device is accompanied by an additional step of detecting the presence of dirt 19, in order to ensure that the dirt or dirt has indeed been evacuated.
- this additional detection step makes it possible to identify that dirt 19 is still present despite sending the jet of compressed air, or if the characteristics relating to dirt 19 have been interpreted by the control 7 as being associated with a type of stubborn dirt, the cleaning system 1 can behave according to an operating mode as illustrated on the .
- control module 7 activates the cleaning device by liquid projection 4 as described on the , and this despite the fact that the remaining quantity of cleaning liquid 9 within the storage tank 8 is between the first threshold value 17 and the second threshold value 18, the main thing being to ensure the proper functioning of the detection and/or emission device 104.
- the data acquisition assembly of the cleaning system only comprises a data acquisition device relating to the level of cleaning liquid remaining in the storage tank 8 and it is not no provision is made to equip the data acquisition assembly of the cleaning system with a data acquisition device relating to the presence of dirt on the glass surface.
- the priority activation by the control module 7 of the cleaning device by liquid projection 4 or of the alternative cleaning device 5 is solely a function of the quantity of liquid in the storage tank. If the remaining quantity of cleaning liquid within the storage tank of the liquid projection cleaning device is greater than the first threshold value 17, the control module generates instructions for the activation of the liquid projection cleaning device 4 as a priority to the activation of the alternative cleaning device 5. And if the remaining quantity of cleaning liquid within the storage tank is between the first threshold value 17 and the second threshold value 18, the control module 7 generates a one-time activation instruction for the alternative cleaning device 5 in priority to the activation of the liquid spray cleaning device 4.
- the control module 7 activates the alternative cleaning device 5 as a priority and here continuously, by maintaining the compression 16 running and the second solenoid valve 14 in the open position for a long time.
- long duration it should be understood that the duration of activation of the alternative cleaning device in this mode of operation illustrated in the is above all a duration greater than that of the previously mentioned point activation duration. More particularly, this long duration can be such that the activation of the alternative cleaning device is effective until the next stop of the vehicle. In this way, the air is continuously expelled from the second spray nozzle 12 towards the glazed surface 3.
- the objective here is to activate the alternative cleaning device 5 preventively in order to limit the risk that dirt comes to be deposited on the glazed surface 3 and the risk that this dirt is stubborn and requires liquid to be projected in this context of shortage.
- the continuous jet of air thus acts as a barrier for the glazed surface 3.
- the activation of the alternative cleaning device 5 can also be done in a context independent of the remaining quantity of cleaning liquid 9 within the storage tank 8, namely according to an operating state of the cleaning device by projection of liquid 4.
- the control module 7 can receive from the data acquisition set 6, and more particularly here from an additional data acquisition device 63 forming part of the set of data acquisition and being associated with one or other of the components of the liquid spray cleaning device 4, a qualitative characteristic relating to a malfunction of the liquid spray cleaning device 4, which prevents the latter from activate.
- Such an operating fault may for example be a leak, a failure of the pump 15, an obstruction of the first spray nozzle 11 or a deterioration in the quality of the cleaning liquid 9.
- the device of cleaning by liquid projection 4 is unusable and the control module 7 therefore continuously activates the alternative cleaning device 5 in order to compensate for the malfunction of the cleaning device by liquid projection 4.
- the invention achieves the goal it had set itself, and makes it possible to propose a system for cleaning a glass surface ensuring optimal cleaning while saving cleaning liquid.
- Variants not described here could be implemented without departing from the context of the invention, provided that, in accordance with the invention, they comprise a cleaning system in accordance with the invention, namely capable of detecting information relating to the proper functioning of the cleaning system and therefore able to implement various cleaning devices forming part of this cleaning system.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Automation & Control Theory (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Detergent Compositions (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
Claims (10)
- Système de nettoyage (1) d’une surface vitrée (3) de véhicule (100), comprenant au moins un dispositif de nettoyage par projection de liquide (4) pourvu d’au moins un réservoir de stockage (8) de liquide de nettoyage (9), le système de nettoyage (1) comprenant en outre au moins un dispositif de nettoyage alternatif (5) et au moins un module de pilotage (7) configuré pour piloter de manière sélective le dispositif de nettoyage par projection de liquide (4) et/ou le dispositif de nettoyage alternatif (5) lors d’une opération de nettoyage, caractérisé en ce que le système de nettoyage (1) comprend un ensemble d’acquisition de données (6) configuré pour détecter une caractéristique qualitative ou quantitative du système de nettoyage (1), le module de pilotage (7) étant configuré pour piloter le dispositif de nettoyage par projection de liquide (4) et/ou le dispositif de nettoyage alternatif (5) en fonction de ladite caractéristique qualitative ou quantitative détectée.
- Système de nettoyage (1) selon la revendication 1, dans lequel le module de pilotage (7) est configuré pour activer le dispositif de nettoyage alternatif (5) de manière ponctuelle ou continue en fonction de la caractéristique qualitative ou quantitative détectée.
- Système de nettoyage (1) selon la revendication 2, dans lequel la caractéristique qualitative ou quantitative détectée est une quantité et/ou un type de salissure (19) détecté sur la surface vitrée (3), le module de pilotage (7) étant configuré pour activer le dispositif de nettoyage par projection de liquide (4) ou le dispositif de nettoyage alternatif (5) de manière ponctuelle.
- Système de nettoyage (1) selon la revendication 2, dans lequel la caractéristique qualitative ou quantitative détectée est une quantité restante de liquide de nettoyage (9) au sein du réservoir de stockage (8) du dispositif de nettoyage par projection de liquide (4), le module de pilotage (7) étant configuré pour activer le dispositif de nettoyage par projection de liquide (4) ou le dispositif de nettoyage alternatif (5) de manière ponctuelle ou continue.
- Système de nettoyage (1) selon la revendication précédente, dans lequel le module de pilotage (7) est configuré pour activer le dispositif de nettoyage par projection de liquide (4) de manière prioritaire à une activation du dispositif de nettoyage alternatif (5) lorsque la quantité restante de liquide de nettoyage (9) au sein du réservoir de stockage (8) du dispositif de nettoyage par projection de liquide (4) est supérieure à une première valeur seuil (17).
- Système de nettoyage (1) selon la revendication précédente, dans lequel le module de pilotage (7) est configuré pour activer ponctuellement le dispositif de nettoyage alternatif (5) de manière prioritaire à une activation du dispositif de nettoyage par projection de liquide (4) lorsque la quantité restante de liquide de nettoyage (9) au sein du réservoir de stockage (8) du dispositif de nettoyage par projection de liquide (4) est comprise entre la première valeur seuil (17) et une deuxième valeur seuil (18) inférieure à la première valeur seuil (17).
- Système de nettoyage (1) selon la revendication précédente, dans lequel le module de pilotage (7) est configuré pour activer en continu le dispositif de nettoyage alternatif (5) de manière prioritaire au dispositif de nettoyage par projection de liquide (4) lorsque la quantité restante de liquide de nettoyage (9) au sein du réservoir de stockage (8) du dispositif de nettoyage par projection de liquide (4) est inférieure à la deuxième valeur seuil (18).
- Système de nettoyage (1) selon la revendication 2, dans lequel la caractéristique qualitative ou quantitative détectée est un état de fonctionnement du dispositif de nettoyage par projection de liquide (4), le module de pilotage (7) étant configuré pour activer le dispositif de nettoyage alternatif (5) de manière continue en cas d’un défaut de fonctionnement du dispositif de nettoyage par projection de liquide (4).
- Système de nettoyage (1) selon l’une quelconque des revendications précédentes, dans lequel le dispositif de nettoyage alternatif (5) est un dispositif de nettoyage par air comprimé.
- Procédé de nettoyage d’une surface vitrée (3) mis en œuvre par un système de nettoyage (1) selon l’une quelconque des revendications précédentes, comprenant :
- une première étape au cours de laquelle on détecte une caractéristique qualitative ou quantitative relative au système de nettoyage (1),
- une deuxième étape au cours de laquelle on pilote le dispositif de nettoyage par projection de liquide (4) et le dispositif de nettoyage alternatif (5) en fonction de la caractéristique qualitative ou quantitative détectée.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023546367A JP2024504501A (ja) | 2021-02-01 | 2022-02-01 | 自動車のガラス面洗浄システム |
US18/263,246 US20240083390A1 (en) | 2021-02-01 | 2022-02-01 | System for cleaning a glazed surface of a motor vehicle |
CN202280012482.5A CN116897114A (zh) | 2021-02-01 | 2022-02-01 | 用于机动车辆的嵌装玻璃表面的清洁系统 |
EP22702479.1A EP4284687A1 (fr) | 2021-02-01 | 2022-02-01 | Système de nettoyage d'une surface vitrée d'un véhicule |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2100928A FR3119358B1 (fr) | 2021-02-01 | 2021-02-01 | Système de nettoyage d’une surface vitrée d’un véhicule |
FRFR2100928 | 2021-02-01 |
Publications (1)
Publication Number | Publication Date |
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WO2022162235A1 true WO2022162235A1 (fr) | 2022-08-04 |
Family
ID=76283804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/052291 WO2022162235A1 (fr) | 2021-02-01 | 2022-02-01 | Système de nettoyage d'une surface vitrée d'un véhicule |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240083390A1 (fr) |
EP (1) | EP4284687A1 (fr) |
JP (1) | JP2024504501A (fr) |
CN (1) | CN116897114A (fr) |
FR (1) | FR3119358B1 (fr) |
WO (1) | WO2022162235A1 (fr) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2879368A1 (fr) * | 2012-07-27 | 2015-06-03 | Clarion Co., Ltd. | Dispositif de nettoyage de lentille |
US20180334140A1 (en) * | 2017-05-16 | 2018-11-22 | Ford Global Technologies, Llc | Vehicle washer fluid delivery diagnostics and cleaning |
US20190077376A1 (en) * | 2017-09-08 | 2019-03-14 | Ford Global Technologies, Llc | Vehicle sensor system |
DE102019100127A1 (de) * | 2018-01-08 | 2019-07-11 | Ford Global Technologies, Llc | Sensorreinigung und -kühlung |
EP3763581A1 (fr) * | 2018-03-07 | 2021-01-13 | Koito Manufacturing Co., Ltd. | Système de nettoyage de véhicule et système de véhicule |
EP3770029A1 (fr) * | 2018-03-19 | 2021-01-27 | Koito Manufacturing Co., Ltd. | Système d'appareil de nettoyage de véhicule |
-
2021
- 2021-02-01 FR FR2100928A patent/FR3119358B1/fr active Active
-
2022
- 2022-02-01 CN CN202280012482.5A patent/CN116897114A/zh active Pending
- 2022-02-01 JP JP2023546367A patent/JP2024504501A/ja active Pending
- 2022-02-01 EP EP22702479.1A patent/EP4284687A1/fr active Pending
- 2022-02-01 WO PCT/EP2022/052291 patent/WO2022162235A1/fr active Application Filing
- 2022-02-01 US US18/263,246 patent/US20240083390A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2879368A1 (fr) * | 2012-07-27 | 2015-06-03 | Clarion Co., Ltd. | Dispositif de nettoyage de lentille |
US20180334140A1 (en) * | 2017-05-16 | 2018-11-22 | Ford Global Technologies, Llc | Vehicle washer fluid delivery diagnostics and cleaning |
US20190077376A1 (en) * | 2017-09-08 | 2019-03-14 | Ford Global Technologies, Llc | Vehicle sensor system |
DE102019100127A1 (de) * | 2018-01-08 | 2019-07-11 | Ford Global Technologies, Llc | Sensorreinigung und -kühlung |
EP3763581A1 (fr) * | 2018-03-07 | 2021-01-13 | Koito Manufacturing Co., Ltd. | Système de nettoyage de véhicule et système de véhicule |
EP3770029A1 (fr) * | 2018-03-19 | 2021-01-27 | Koito Manufacturing Co., Ltd. | Système d'appareil de nettoyage de véhicule |
Also Published As
Publication number | Publication date |
---|---|
FR3119358B1 (fr) | 2024-03-01 |
CN116897114A (zh) | 2023-10-17 |
FR3119358A1 (fr) | 2022-08-05 |
EP4284687A1 (fr) | 2023-12-06 |
JP2024504501A (ja) | 2024-01-31 |
US20240083390A1 (en) | 2024-03-14 |
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