CN111781783A - Dimming method and system of electrochromic window and electrochromic window - Google Patents
Dimming method and system of electrochromic window and electrochromic window Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/1533—Constructional details structural features not otherwise provided for
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Abstract
The embodiment of the invention discloses a dimming method and a dimming system of an electrochromic window and the electrochromic window. The electrochromic window comprises a first area and a second area, and the dimming method of the electrochromic window comprises the following steps: generating warning information, wherein the warning information is generated according to the sensing information of the sensor and/or the triggering of the user triggering device; generating a control instruction according to the warning information, wherein the control instruction comprises a first instruction and a second instruction; sending a control command to the electrochromic window; the first instruction is used for controlling the transmittance of the first area to be in a first state, the second instruction is used for controlling the transmittance of the second area to be in a second state, and the second state is different from the first state so as to remind the warning information. When the warning information is generated, the transmittances of the first area and the second area of the electrochromic window are respectively adjusted, so that the effect of early warning and/or reminding people inside or outside the vehicle when an emergency occurs is achieved, and the driving safety is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of automotive electronics, in particular to a dimming method and a dimming system of an electrochromic window and the electrochromic window.
Background
In the prior art, when a driver encounters an emergency while driving, the vehicle is usually reminded by various indicators on the instrument panel. Meanwhile, in the prior art, some vehicles are provided with electrochromic glass, the transmittance of the electrochromic glass can be adjusted along with light, and when a driving safety accident occurs, the transmittance of the electrochromic glass needs to be adjusted to be the highest, so that people outside the vehicle can see the situation inside the vehicle, and people inside the vehicle can be rescued when necessary.
The mode of reminding through various indicator symbols on the panel board needs the driver to shift the sight when driving, and is unfavorable for driver safe driving, and to some emergency that need remind personnel outside the car, the panel board can not play the warning effect, needs driver manual control light, loudspeaker etc. but these have increased driver's operation burden, and after the car stalls, these reminders also can not go on again. Meanwhile, in the prior art, the electrochromic window has a single reminding function for emergency. Therefore, there is a need to improve the existing vehicle driving safety reminding system to reduce the driving burden and improve the safety of personnel.
Disclosure of Invention
The invention provides a dimming method and a dimming system of an electrochromic window and the electrochromic window, which are used for respectively adjusting the transmittance of a first area and the transmittance of a second area of the electrochromic window when warning information is generated, and carrying out early warning and/or reminding on personnel inside or outside a vehicle.
In a first aspect, an embodiment of the present invention provides a method for dimming an electrochromic window, where the electrochromic window includes a first area and a second area, and includes:
generating warning information, wherein the warning information is generated according to the sensing information of the sensor and/or the triggering of the user triggering device;
generating a control instruction according to the warning information, wherein the control instruction comprises a first instruction and a second instruction;
sending the control instruction to the electrochromic window; the first instruction is used for controlling the transmittance of a first area to be in a first state, the second instruction is used for controlling the transmittance of a second area to be in a second state, and the second state is different from the first state so as to remind the warning information.
Optionally, after the step of generating the control instruction according to the warning information, the method includes:
acquiring the current transmittance state of the second area;
judging whether the current transmittance state of the second area is the same as the second state;
if so, updating the second instruction to control the transmittance of the second area to be adjusted to the second state after a preset switching mode so as to update the control instruction.
Optionally, the generating a control instruction according to the warning information includes:
acquiring a real-time distance from an obstacle;
acquiring warning information corresponding to the real-time distance from a preset list, wherein the preset list stores a plurality of distances and warning information corresponding to each distance in an associated manner;
and updating the first instruction and/or the second instruction according to the warning information.
Optionally, after the step of generating the control instruction according to the warning information, the method includes:
acquiring a real-time speed;
judging whether the real-time speed is greater than a preset speed or not;
and if so, setting the first state as a preset state to update the control instruction.
Optionally, the step of generating the warning information includes: when the vehicle is detected to be in a flameout state, judging whether a power interface of the electrochromic window is connected to a preset power supply device;
if not, switching the power interface of the electrochromic window to the preset power equipment;
continuously monitoring whether organisms exist in the vehicle through a sensor;
if yes, warning information for warning the vehicle is generated.
Optionally, a non-light-transmitting layer is arranged on one side, close to the inside of the vehicle, of at least one second region, and the second region provided with the non-light-transmitting layer is used as a third region;
when the warning information is the in-vehicle dangerous case warning information, a third instruction is further generated according to the in-vehicle dangerous case warning information; and the third instruction is used for controlling the transmittance change of a third area so as to remind people outside the vehicle of the in-vehicle dangerous case warning information.
Optionally, the step of generating a control instruction according to the warning information includes:
judging whether the quantity of the warning information generated at the same time exceeds a specified value;
if yes, arranging the warning information according to the high-low sequence of the priority, and screening out a preset number of warning information;
and generating a control instruction according to the screened preset number of warning information to control the transmittance of each area of the electrochromic window.
In a second aspect, an embodiment of the present invention further provides an electrochromic window, including: a first region and a second region; the first area and the second area are distributed on the electrochromic window;
a first electrochromic stack is arranged in the first area, and the first area receives a first instruction to adjust the transmittance of the first electrochromic stack;
and a second electrochromic stack is arranged in the second area, and the second area receives a second instruction to adjust the transmittance of the second electrochromic stack.
Optionally, the second area is distributed on at least one side edge and/or at least one corner of the periphery of the first area, and/or distributed inside the first area.
Optionally, a light-impermeable layer is arranged on one side, close to the inside of the vehicle, of at least one second area.
In a third aspect, an embodiment of the present invention further provides a dimming system for an electrochromic window, including: the device comprises a sensor, a user trigger device, a signal processing module, a color-changing control module, a first area module and a second area module of an electrochromic window;
the sensor is used for generating sensing information, and the user trigger device is used for generating trigger information according to the operation of a user;
the signal processing module is used for generating warning information according to sensing information of the sensor and/or triggering information of the user triggering device and generating a control instruction according to the warning information, wherein the control instruction comprises a first instruction and a second instruction;
the color-changing control module is used for controlling the transmittance of the first area and the second area of the electrochromic window according to the first instruction and the second instruction.
According to the invention, when the warning information is generated, the transmittances of the first area and the second area of the electrochromic window are respectively adjusted, so that the problems of single warning prompt and poor effect are solved, and the effects of warning and/or reminding people inside or outside the vehicle in case of emergency are achieved, thereby improving the driving safety.
Drawings
Fig. 1A is a flowchart of a dimming method for an electrochromic window according to an embodiment of the present invention;
fig. 1B is a schematic structural diagram of an electrochromic window according to an embodiment of the present invention;
fig. 1C is a schematic structural diagram of another electrochromic window according to an embodiment of the present invention;
fig. 2 is a flowchart of a dimming method for an electrochromic window according to a second embodiment of the present invention;
fig. 3A is a flowchart of a dimming method for an electrochromic window according to a third embodiment of the present invention;
fig. 3B is a schematic structural diagram of an electrochromic window according to a third embodiment of the present invention.
Fig. 4 is a flowchart of a dimming method for an electrochromic window according to a fourth embodiment of the present invention;
fig. 5A is a flowchart of a dimming method for an electrochromic window according to a fifth embodiment of the present invention;
fig. 5B is a schematic structural diagram of an electrochromic window according to a fifth embodiment of the present invention;
fig. 6A is a schematic structural diagram of an electrochromic window according to a sixth embodiment of the present invention;
fig. 6B is a schematic structural diagram of a light-tight region of an electrochromic window according to a sixth embodiment of the present invention;
fig. 7A is a flowchart of a dimming method for an electrochromic window according to a seventh embodiment of the present invention;
fig. 7B is a schematic structural diagram of an electrochromic window according to a seventh embodiment of the present invention;
fig. 8 is a dimming system of an electrochromic window according to a ninth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Electrochromic windows are widely applied to vehicle windows, and a user can manually control the transmittance of the electrochromic windows and also can automatically adjust the transmittance of the electrochromic windows according to the collected light illuminance by arranging sensors at corresponding positions of the electrochromic windows and/or a vehicle body. The electrochromic window includes an electrochromic stack therein, and for example, the electrochromic stack may be composited into the electrochromic window in a glue-sandwiched manner to form the electrochromic window composed of the glass substrate, the glued glass intermediate film, the electrochromic stack, the glued glass intermediate film and the glass substrate. The electrochromic stack is the core of the whole electrochromic glass and is a color-changing reaction generation layer, and the optical properties (reflectivity, transmittance, absorptivity and the like) of the electrochromic stack generate a stable and reversible color change phenomenon under the action of an external voltage, and the phenomenon is represented as reversible change of the color and the transparency of the electrochromic glass in appearance. An electrochromic stack comprising: the color-changing material layer comprises a first conductive substrate, a color-changing material layer and a second conductive substrate which are sequentially stacked. The color-changing material layer is a liquid or solid layer or a plurality of layers of materials which are composed of adjustable transmittance sheets. The color-changing material layer can reversibly change its optical properties with the intercalation/deintercalation of its ions. For example, the color-changing material layer may be changed between a colored state, an intermediate state, and a transparent state, the intermediate state refers to a state in which the transmittance is between the colored state and the transparent state, and the management of the color of the colored state may be performed by the selection of the material type of the color-changing material layer.
The electrochromic window 1 of the embodiment of the present invention includes a first area 10 and a second area 20; the number of the first regions 10 may be 1 or more; the number of the second regions 20 may be 1 or more. The first region 10 and/or the second region 20 may be of any shape, and the different regions may be arranged adjacently or non-adjacently. Preferably, the first area 10 is disposed in a main driving viewing area of the user, and the second area 20 is distributed around the first area 10, or the second area 20 is surrounded by the first area 10. At least one first electrochromic stack is arranged in the first area 10, and at least one second electrochromic stack is arranged in the second area 20; the transmittance of each first electrochromic stack and each second electrochromic stack is independently adjusted. The shape of the first electrochromic stack may or may not be the same as the first region 10; the shape of the second electrochromic stack may or may not be the same as the second region 20; the materials of the color-changing material layers of the first electrochromic stack and the second electrochromic stack can be the same or different; the color-changing material layers of the first electrochromic stack and the second electrochromic stack can be same or different in color in a coloring state.
Example one
The method of this embodiment may be executed by a dimming system of an electrochromic window, as shown in fig. 1A, and specifically includes the following steps:
and S110, generating warning information, wherein the warning information is generated according to the sensing information of the sensor and/or the triggering of the user triggering device.
The sensor can be a light sensor, a distance sensor, a noise sensor, a temperature sensor, a pressure sensor, a biological recognition sensor and the like; the sensing information may be one or more of ambient illuminance, a distance between the vehicle and a surrounding object, decibels of sound in the vehicle, a temperature of an inner space of the vehicle, a water tank, etc., a pressing condition of a seat of the vehicle, and biological information such as a fingerprint, iris, sound, etc. Illustratively, when a vehicle encounters a high beam meeting in the driving process, warning information of the high beam meeting is generated according to the ambient light illumination detected by the light sensor; when a distance sensor positioned on the vehicle body detects that an object outside the vehicle is close to the vehicle body, dangerous obstacle warning information is generated according to the distance detected by the distance sensor; according to the sound decibel in the vehicle, the temperature of the internal space of the vehicle, a water tank and the like, the pressure condition of a vehicle seat, and biological information such as fingerprints, irises and sounds, vehicle fault warning information, vehicle false-locking warning information, vehicle dangerous case warning information, safety locking warning information and the like can be generated. The user trigger device is arranged at a preset position in the vehicle and generates trigger information through user operation. In an alternative embodiment, the self-contained sensors of the automobile can also be adopted, and the sensing information of the self-contained sensors is acquired through the automobile control panel.
And S120, generating a control instruction according to the warning information, wherein the control instruction comprises a first instruction and a second instruction.
In the dimming system of the electrochromic window, a corresponding relation list of different warning information and control instructions is prestored, matching is performed in the list according to the warning information generated in the step S110, and a first instruction and a second instruction corresponding to the currently generated warning information are determined.
S130, sending a control command to the electrochromic window; the first instruction is used for controlling the transmittance of the first area to be in a first state, the second instruction is used for controlling the transmittance of the second area to be in a second state, and the second state is different from the first state so as to remind the warning information.
Sending a first instruction to a first area, wherein the transmittance of the first area is adjusted to be in a first state; and sending a second command to the second area, wherein the transmittance of the second area is adjusted to be in a second state.
In the structural schematic diagram of an electrochromic window as shown in fig. 1B, a first area 10 is located in the middle of the electrochromic window 1, and is located in the main driving viewing area of the user, and a second area 20 is distributed above the first area 10. When the electrochromic window is dimmed, the first area is mainly used for meeting the illumination requirement in the visual field when a driver normally drives, and avoiding the interference of improper light conditions on the driver, thereby improving the driving safety; preferably, the method for setting the transmittance corresponding to the first state when the vehicle is in the driving state includes: acquiring the ambient light intensity detected by a light sensor; and matching the detected ambient light intensity in a light intensity-transmittance preset list, and determining the transmittance corresponding to the first state. The second area is mainly used for reminding the driver of corresponding warning information; preferably, the method for setting the transmittance corresponding to the second state includes: switching the transmittance within a preset transmittance range according to a preset switching frequency; or obtaining the transmittance corresponding to the first state, and calculating the transmittance corresponding to the second state according to a preset formula, for example, the preset formula may define a difference, a ratio, and the like between the transmittance corresponding to the first state and the transmittance corresponding to the second state.
Taking a high beam meeting scene in the driving process of a vehicle as an example, warning information of the high beam meeting is generated according to light intensity information of a light sensor, and then a control instruction including a first instruction and a second instruction is generated according to the warning information, wherein the first instruction is used for controlling the transmittance of the first area 10 to a first state, specifically, adjusting the transmittance to a transmittance (for example, reducing the transmittance) matched with the light intensity so as to prevent the high beam of the opposite vehicle from influencing the sight of a driver, the second instruction is used for controlling the transmittance of the second area 20 to a second state, and the transmittance corresponding to the second state is different from the transmittance corresponding to the first state so as to remind the driver of the warning information of the high beam meeting. The transmittance corresponding to the second state is switched within a preset transmittance range according to a preset frequency, and a warning effect of alternating light and shade is visually presented; or the transmittance corresponding to the second state and the transmittance corresponding to the first state accord with a preset formula, for example, the transmittance corresponding to the second state is higher than the transmittance corresponding to the first state by 40%, so that a warning effect that the second area is brighter than the first area is visually presented.
In some alternative embodiments of the present embodiment, referring to fig. 1C, the second electrochromic stack in the second area 20 is in the shape of a warning pattern, and when the warning message is prompted, the transmittance of the warning pattern is different from the transmittance of the first area 10, and preferably, the transmittance of the warning pattern may be adjusted to be the lowest, the highest, or switched between the lowest and the highest at a predetermined frequency.
In some alternative embodiments of the present embodiment, the second region 20 may be located below, and/or to the left, and/or to the right of, and/or surrounded by, the first region 10; the second area 20 may include one or more predetermined warning patterns, and the warning patterns may be the same or different.
According to the technical scheme of the embodiment, the transmittances of the first area and the second area of the electrochromic window are respectively controlled, so that the transmittances of the first area and the second area are different, and an early warning and/or reminding effect is achieved for a user inside or outside the vehicle; simultaneously, when warning information shows in the second region, the transmissivity in first region sets up according to ambient light intensity to illumination demand in the field of vision when satisfying the driver and driving avoids improper light condition to produce the interference to the driver, thereby improves driving safety.
Example two
As shown in fig. 2, after step S120 of generating a control command according to the warning information, the method includes:
s210, acquiring the current transmittance state of the second area.
After the control instruction is generated according to the warning information, before the step of sending the control instruction to the electrochromic window is executed, whether the current transmittance of the electrochromic window is the same as the transmittance of the corresponding state in the control instruction needs to be judged, and the control instruction is updated according to the judgment result.
The transmittance change of the second area is used for displaying corresponding warning information to prompt a driver, so that the current transmittance of the second area needs to be acquired before the dimming action of the electrochromic window is executed.
S220, judging whether the current transmittance of the second area is the same as that of the second state; if yes, go to step S230; if the determination result is negative, S250 is executed.
When the current transmittance of the second area is the same as the second state, the second area is not changed under the control of the second instruction, and the driver cannot be effectively reminded, so that the second instruction needs to be updated; when the current transmittance of the second area is different from the second state, the second area is obviously changed under the control of the second instruction, the warning information can be effectively displayed, a driver is prompted, and the second instruction does not need to be updated at the moment.
S230, the second instruction is updated to control the transmittance of the second area to be adjusted to the second state after the preset switching mode, so as to update the control instruction.
The specific content of the updated second instruction is to control the transmittance of the second area to be adjusted to a second state after passing through a preset switching mode, wherein the preset switching mode is used for reminding a user of noticing the change of the second area and predicting that warning information is about to be generated, and the second state is used for reminding the user of the content of the warning information; the preset switching mode can be high-low transmittance alternative switching of changing from high transmittance to low transmittance, low transmittance to high transmittance and a preset switching frequency, preferably alternative switching is carried out between high transmittance and low transmittance at the preset switching frequency, the switching frequency range can be 0.1-100 Hz, and the preferred switching frequency range is 0.2-20 Hz.
And S240, sending the updated control command to the electrochromic window.
After the second instruction is updated, the updated control instruction is sent to the electrochromic window, and different areas of the electrochromic window are respectively dimmed, so that the requirements of illumination and warning information reminding required by normal driving of a user are met simultaneously.
And S250, sending a control command to the electrochromic window.
And when the current transmittance of the second area is different from the second state, directly executing the step of sending the control instruction to the electrochromic window without updating the second instruction.
EXAMPLE III
In the vehicle driving process, if enough vehicle distance is not ensured, the vehicle is easy to collide with obstacles under the conditions of sudden braking, overtaking, turning and the like, and the personal safety and property of a driver are damaged, so that when the vehicle distance is insufficient, warning is required to be given out to remind the driver of keeping the vehicle distance from surrounding vehicles.
As shown in fig. 3A, the specific step of generating the control command according to the warning information includes:
and S310, acquiring the real-time distance between the obstacle and the obstacle.
In the driving process of the vehicle, the distance between the vehicle and other objects is constantly changing, so that the real-time distance between the driving vehicle and the obstacle needs to be acquired.
S320, acquiring the warning information corresponding to the real-time distance from a preset list, wherein the preset list stores a plurality of distances and the warning information corresponding to each distance in an associated manner.
For example, when the vehicle speed is 20km/h, the distance between the front of the vehicle and the obstacle is less than 10m or the distance between the side of the vehicle and the obstacle is less than 1m, the sensor generates first obstacle warning information, and when the distance between the front of the vehicle and the obstacle is less than 5m or the distance between the side of the vehicle and the obstacle is less than 0.5m, the sensor generates second obstacle warning information; when the vehicle speed is 100km/h, the distance between the front side of the vehicle and the obstacle is less than 100m or the distance between the side of the vehicle and the obstacle is less than 5m, the sensor generates first obstacle warning information, and when the distance between the front side of the vehicle and the obstacle is less than 50m or the distance between the side of the vehicle and the obstacle is less than 2.5m, the sensor generates second obstacle warning information; wherein the second obstacle alert information is more urgent than the first obstacle alert information.
Preferably, the preset list further stores the corresponding relation among the distance, the speed and the warning information in an associated manner. And generating warning information corresponding to the speed and the distance according to the preset list. The faster the speed and the closer the distance are, the greater the possibility of collision is, and the more urgent is the generated obstacle warning information.
S330, updating the first instruction and/or the second instruction according to the warning information.
And generating warning information in real time in the running process of the vehicle, and updating the first instruction and/or the second instruction according to the warning information. For example, as the user drives the vehicle closer to the obstacle, the warning information becomes more urgent. The first instruction and/or the second instruction change synchronously with the change of the warning information.
And S340, sending the updated control command to the electrochromic window.
As shown in fig. 3B, the first area 10 is located in the middle of the electrochromic window 1 and is located in the main driving and viewing area of the user, and the second areas are multiple and are distributed around the first area 10. Preferably, the setting method of the first state includes: acquiring the ambient light intensity detected by a light sensor; and matching the detected ambient light intensity in a light intensity-transmittance preset list to determine a first state. The second area is mainly used for reminding the driver of corresponding warning information; the second area 21/22/23/24 at different positions is used for presenting obstacle warning information in different directions of the vehicle, for example, the second area 21 is used for presenting obstacle warning information on the front side of the vehicle, the second area 22 is used for presenting obstacle warning information on the right side of the vehicle, the second area 23 is used for presenting obstacle warning information on the rear side of the vehicle, and the second area 24 is used for presenting obstacle warning information on the left side of the vehicle.
Illustratively, when the vehicle travels at a speed of 20km/h, a first state corresponding to the first instruction is adjusted according to the ambient light intensity so as to meet the driving sight line requirement of the user; when an obstacle is detected, and the distance between the front of the vehicle and the obstacle is smaller than a first distance (for example, 10m), the sensor generates first obstacle warning information, the first instruction is not updated, and the second instruction is to control the transmittance of a second area 21 of the front windshield electrochromic window to a second state, wherein in the embodiment, the second state is that the high transmittance and the low transmittance are alternately changed under a first preset switching frequency so as to remind a user of the first obstacle warning information; when the vehicle continuously moves forward and the distance between the front of the vehicle and the obstacle is smaller than a second distance (for example, 5m), the sensor generates second obstacle warning information and updates the first instruction and the second instruction, wherein the first instruction is updated to increase the transmittance of the first area 10 so that the driver can distinguish the obstacle more clearly, the second instruction is updated to control the transmittance of the second area 21 to change alternately under a second preset switching frequency which is larger than the first preset switching frequency, so that the warning effect on the driver is enhanced.
Similarly, when the distance sensor of the vehicle body detects that the distance between the vehicle body object and the left side/right side/rear side of the vehicle body is smaller than the corresponding first threshold or second threshold, the transmittance of the first area 10 of the left side/right side/rear side electrochromic window is controlled to be in a first state according to the first instruction, and the transmittance of the left side/right side/rear side second area 24/22/23 of the left side/right side/rear side electrochromic window is controlled to be in a second state according to the second instruction, so that warning information is reminded.
When the obstacle is detected, different areas of the electrochromic window are subjected to a partition and grading dimming mode according to the distance between the vehicle and the obstacle so as to remind warning information. The warning display grades of the electrochromic window can be further distinguished according to the speed of the vehicle and the distance between the vehicle and the barrier, a driver can quickly know the relative position between the barrier and the vehicle through the transmittance change displayed in different areas of the electrochromic window, the position, the driving direction and the driving speed of the vehicle can be adjusted in time, and the safety of personnel in the vehicle is ensured.
Example four
The first area 10 is located in a main viewing area during driving of the driver, and when warning information is reminded, it needs to be considered that the transmittance adjustment of the first area does not affect the driving safety of the driver. As shown in fig. 4, after the step S120 of generating a control command according to the warning information, the method further includes:
and S410, acquiring the real-time speed.
S420, judging whether the real-time speed is greater than a preset speed or not; if yes, go to step S430; if the determination result is negative, step S450 is executed.
Judging whether the real-time speed of the vehicle is greater than a preset speed or not, and if so, enabling the vehicle to be in a normal running state; if the judgment result is no, the vehicle is in a stop state or in a very slow running state at the moment.
And S430, setting the first state as a preset state to update the control instruction.
When the vehicle state is a driving state, setting the first state as a preset state, preferably, the preset state is a transmittance which is automatically adjusted according to the light sensor and is suitable for the current environmental light intensity; and the second instruction controls the second area to a second state, and reminds the driver of warning information through the transmittance change of the second area.
And S440, sending the updated control command to the electrochromic window.
S450, controlling the electrochromic window by the control instruction to remind the warning information.
And when the vehicle state is a flameout state, directly controlling the electrochromic window according to the generated control instruction to remind the warning information.
In the embodiment, a fault detection scene of a vehicle running process is taken as an example for explanation, in the vehicle starting and running processes, a sensor can perform automatic detection, when it is judged that the vehicle is abnormal, vehicle fault warning information is generated, and a first instruction and a second instruction are generated according to the vehicle fault warning information to adjust the transmittance of an electrochromic window so as to remind the vehicle fault warning information.
For example, when the pressure sensor detects that the tire pressure of a vehicle is insufficient, the flow sensor detects that the oil quantity is insufficient, the engine oil is insufficient, the water quantity of a water tank is insufficient, and the like, which affect the driving experience but can continue normal driving at present, the real-time speed is greater than the preset speed, first fault warning information is generated, a control instruction is generated according to the first fault warning information, the first instruction controls the transmittance of a first area of the front windshield electrochromic window to a first state, and at the moment, the first state is the transmittance which is automatically adjusted according to the optical sensor and is suitable for the current environmental light intensity; the second instruction controls the transmittance of a second area of the front windshield electrochromic window to a second state, specifically, the second area alternately changes with a preset frequency at a high transmittance and a low transmittance to display a first fault warning, and the frequency range can be 0.2-20 Hz.
When the pressure sensor, the flow sensor and the like detect serious shortage of the tire pressure, the oil quantity, the engine oil, the water quantity of the water tank and the like of the vehicle or the conditions of failure of a brake system, oil leakage of an oil tank and the like, when the vehicle cannot drive normally, the real-time speed is smaller than the preset speed, second fault warning information is generated, a control instruction is generated according to the second fault warning information, and the transmittances of the first area and the second area are adjusted according to the control instruction. For example, the transmittances of a first area and a second area of a front windshield electrochromic window are respectively controlled by a first instruction and a second instruction to enter a low transmittance after passing through a preset switching mode so as to display a second fault warning; the transmittance of the first area and the transmittance of the second area enter a low transmittance state, so that the driving sight of a driver is influenced, the driver is forcibly reminded to stop driving, and the vehicle is checked. The frequency range can be 0.2-20 Hz, and the second region is a lower second region 23. Furthermore, the dimming system further comprises a forced closing module, and a driver can close the warning information display of the electrochromic window through the forced closing module, wherein in the embodiment, the warning information display shows that the electrochromic window exits from the low transmittance state of the first area.
When the abnormal condition of the vehicle is detected, the electrochromic window is dimmed by adopting the partition and the classification, so that a user can quickly know the severity of the fault and check the vehicle in time, and the driving safety is improved.
Optionally, on the basis of the above embodiment, the method further includes: when warning information for an emergency accident is generated, for example, a traffic accident occurs. And generating a first instruction and a second instruction according to the emergency accident warning information, and controlling the transmittance of a first area and the transmittance of a second area of an electrochromic window of the vehicle to be alternately changed under a preset frequency so as to display the warning information. By controlling the transmittance of the electrochromic window to change alternately, the attention of vehicles coming and going can be improved, and the safety of personnel is improved.
EXAMPLE five
After the sensor detects that the child is locked in the car by mistake, the driver and passerby can be reminded of rescue through the warning information.
As shown in fig. 5A, the specific steps of generating the warning information include:
s510, when the vehicle is detected to be in a flameout state, judging whether a power interface of the electrochromic window is connected to a preset power supply device; if yes, step S530 is executed, otherwise, step S520 is executed.
After the vehicle is flamed out, the vehicle-mounted power supply cannot continuously supply power to the electrochromic window, so that other power supplies are needed to supply power to the electrochromic window.
S520, switching the power interface of the electrochromic window to a preset power device.
The power supply device is preset to be an independent standby power supply to supply power to the sensor and the electrochromic window, and preferably, the independent power supply ensures that the sensor and the electrochromic window can normally work within 72 hours. The preset power supply equipment is energy storage power supply equipment and can be a battery, a capacitor and the like, and the transmission rate of the electrochromic window is changed by only needing a very low driving voltage, so that the power consumption is very low, and when the vehicle is in a flameout state, the preset power supply equipment which can provide power for the electrochromic window in a long time is easily adapted to the preset power supply equipment, so that the warning of the vehicle in the flameout state is reliably realized.
S530, continuously monitoring whether organisms exist in the vehicle through a sensor; if the presence of the creature is detected, step S540 is performed, and if the presence of the creature is not detected, step S550 is performed.
After the vehicle is turned off, the noise sensor and/or the pressure sensor are activated, and when the noise sensor detects that the noise in the vehicle is higher than a threshold value, for example, 60 db, and/or the pressure sensor detects that there is pressure fluctuation on the seat, it indicates that a living being is present in the vehicle.
And S540, generating warning information for warning of vehicle false locking.
And generating a control instruction according to the warning information of the vehicle false lock warning, controlling the transmittance of the first area to be switched according to the first instruction, and controlling the transmittance of the second area to be switched according to the second instruction.
Taking the structure of one electrochromic window 1 shown in fig. 1B as an example, when a vehicle false lock warning is generated, the first instruction controls the transmittance of the first area 10 to be changed into the highest transmittance, so that the outside people can see the inside condition of the vehicle clearly; the second instruction controls the transmittance of the second area 20 to be switched between high transmittance and low transmittance according to a preset switching frequency, and reminds people outside the automobile of paying attention to the condition inside the automobile.
Taking the structure of another electrochromic window 1 as shown in fig. 5B as an example, in addition to the surrounding second region 21/22/23/24, another second region 11 is included, and the second region 11 is surrounded by the first region 10. The second area 11 may be provided as a preset pattern, for example, an SOS. The first instruction controls the transmittance of the first area 10 to be changed into the highest transmittance, so that people outside the automobile can see the condition inside the automobile clearly; the second instructions control the transmittance of the second region 21/22/23/24/11 to switch between high and low transmittance at a preset switching frequency to alert occupants outside the vehicle to the conditions inside the vehicle. When the child is mistakenly locked in the vehicle, the SOS pattern representing help seeking is displayed on the electrochromic window of the vehicle, and the regular change of the transmittance forms warning information to remind a driver after getting off the vehicle and passersby, so that the child mistakenly locked in the vehicle can be timely rescued as far as possible.
And S550, enabling the electrochromic window to be in a standby state.
After the vehicle is flamed out, the existence of organisms in the vehicle is not monitored, the electrochromic window is in a standby state, the standby state is a stable state of the electrochromic window, continuous power supply for the electrochromic window is not needed, and energy is saved.
EXAMPLE six
As shown in fig. 6A, a light-impermeable layer is provided on a side of at least one second region closer to the vehicle interior, and the second region provided with the light-impermeable layer is defined as a third region 30; preferably, the opaque region 30 is disposed around the electrochromic window 1, for example, at a joint between the electrochromic window and the window frame of the front windshield.
What the dangerous situation in the car of this embodiment corresponds is, the dangerous situation takes place in the car, hopes that the personnel outside the car notices warning information, does not hope the condition that personnel in the car noticed warning information simultaneously. When the warning information is the in-vehicle dangerous case warning information, the in-vehicle dangerous case warning information can be generated by being triggered by the user trigger device or being detected by the preset sensor, and the first instruction, the second instruction and the third instruction are generated according to the in-vehicle dangerous case warning information. Preferably, the first instruction is to control the transmittance of the first region to be adjusted to the highest transmittance, the second instruction is to control the transmittance of the second region other than the third region to be adjusted to the highest transmittance, and the third instruction is to control the transmittance change of the third region. The transmissivity of the first area and the transmissivity of the second area are adjusted to be the highest, so that people outside the vehicle can observe the condition inside the vehicle, and continuous switching change is not carried out on the first area and the second area, so that the situation that the people inside the vehicle can observe warning information is avoided. One side of the third area, which is close to the sight line of people in the vehicle, is a light-tight layer, when the transmittance of the third area changes, people in the vehicle can not see the third area, and only people outside the vehicle can see the warning prompt corresponding to the switching.
The method is characterized in that the situation of danger in the vehicle is taken as an example for hijacking of people in the vehicle, a driver or a passenger generates the warning of the situation of danger in the vehicle by triggering a preset button or detecting through a biological recognition sensor, such as preset expressions, blinking actions with preset frequency, preset postures or preset triggering vocabulary entries, and further generates a first instruction, a second instruction and a third instruction, wherein the first instruction controls the transmittance of a first area to be adjusted to be the highest transmittance, the second instruction controls the transmittance of a second area to be adjusted to be the highest transmittance, so that people outside the vehicle can clearly see the situation in the vehicle, the third instruction controls the transmittance of a third area to change so as to remind people outside the vehicle of the warning of the situation of danger in the vehicle, and the transmittance of the third area can be alternately switched between high transmittance and low transmittance at the preset frequency.
As shown in fig. 6B, the third region 30 may further include a pattern divided region 31, the pattern of the pattern divided region 31 may be a preset icon, such as an SOS pattern, and the third instruction may also control the pattern divided region 31 and the non-pattern divided region in the third region 30 to be switched at different preset frequencies.
According to the embodiment, through the structure and the control method, the people outside the vehicle can be reminded in the third area 30 which can not be observed by the people inside the vehicle, so that the people inside the vehicle can be helped to send out a distress signal in time under the condition that the people inside the vehicle can not pay attention to other people inside the vehicle, and the people inside the vehicle can be helped to escape from danger.
EXAMPLE seven
When the instructions corresponding to the plurality of warning information control the same electrochromic window area, in order to avoid the conflict of sending control instructions corresponding to different warning information, the plurality of warning information are classified, and the electrochromic window is dimmed according to the priority.
As shown in fig. 7A, the step of generating a control command according to the warning information further includes:
s710, judging whether the number of the warning information generated at the same time exceeds a specified value; if yes, go to step S720, otherwise go to step S740.
The specific value of the specified value can be set according to the specific number of first regions and/or second regions in the electrochromic window.
S720, arranging the warning information according to the high-low sequence of the priority, and screening out the warning information with the preset quantity.
The priority of the warning information can be set according to the actual use requirement of a user, and the preset number can be set according to the specific number of the first area and/or the second area in the electrochromic window.
And S730, generating a control instruction according to the screened preset number of warning information, wherein the control instruction is used for controlling the transmittance of each area of the electrochromic window.
When a plurality of warning messages are generated simultaneously, a preset number of warning messages with high priority levels are selected to generate control instructions. For example, when the number of the first area and the second area is 1, selecting the warning information with the highest priority to generate a control instruction; when the number of the first areas and/or the second areas is multiple, each first area and each second area are subjected to priority division, the warning information with high priority is correspondingly displayed and reminded in the first areas and the second areas with high priority, and the warning information with low priority is correspondingly displayed and reminded in the first areas and the second areas with low priority.
Taking the electrochromic window structure shown in fig. 7B as an example, the second area of the electrochromic window 1 includes a first area 21A and a second area 21B, and the predetermined number is set to 2. Selecting the first two warning information with the highest priority from the plurality of warning information generated simultaneously, wherein the first instruction corresponding to the warning information with the highest priority controls the first area 10, and the second instruction controls one area 21A in the second area; the first instruction corresponding to the warning information of the second priority does not control, and the second instruction controls the second area 21B in the second area.
And S740, controlling the electrochromic window by the control command to remind the warning information.
The transmittance of the electrochromic window is controlled according to the priority of the warning information, the important warning information is reminded in different areas under the condition that various warning information exists, the effect of reminding the various warning information together is achieved, and meanwhile, the driving safety is improved.
On the basis of the technical solutions of the first to seventh embodiments, after the step of generating the control instruction according to the warning information, the method further includes judging whether a warning release signal is received; if the light intensity is judged to be the preset light intensity, the transmittance of the electrochromic window is adjusted to be a preset parameter, and the preset parameter is a transmittance parameter suitable for the current environment light intensity.
The warning removing signal can be triggered when the display duration of the warning information reaches the preset duration, the sensing information corresponding to the warning information disappears, the input of the warning information is forcibly stopped and the like; for example, the far-beam meeting warning, the obstacle warning and the vehicle false lock warning can be released after the sensing information corresponding to the warning information disappears, and the in-vehicle dangerous case warning and the safety locking warning can be released after the warning information input is forcibly stopped; the warning information can be forcibly stopped from being input by touching the forced closing button or controlling the intelligent vehicle key.
Example eight
With continuing reference to fig. 1B, 3B, and 6A, as shown in fig. 1B, an electrochromic window 1 includes: a first region 10 and a second region 20; the first area 10 and the second area 20 are distributed on the electrochromic window 1;
a first electrochromic stack (not shown in the figure) is arranged in the first area 10, and the first area 10 receives a first instruction to adjust the transmittance of the first electrochromic stack;
a second electrochromic stack (not shown) is disposed in the second area 20, and the second area 20 receives a second instruction to adjust the transmittance of the second electrochromic stack.
Alternatively, the number of the second regions may be 1 or more, and the number of the second regions may be 1 or more.
Alternatively, as shown in fig. 3B, the second regions (21, 22, 23 and 24 in the figure) are distributed on at least one side and/or at least one corner of the periphery of the first region 10, and/or distributed in the inner part of the first region (not shown in fig. 3B). Preferably, the area of the second region (21, 22, 23 and 24 in the figure) is smaller than the area of the first region 10.
Optionally, as shown in fig. 6A, an opaque layer is optionally disposed on a side of the at least one second region 30 close to the vehicle interior, and preferably, the opaque layer is a reflective layer. The light-impermeable layer is used for preventing the change of the transmittance of the at least one second region 30 from being seen by a person in the vehicle. When the light-tight layer is the light-reflecting layer, the light-reflecting layer can reflect the light of the second area 30, the brightness is higher, the visual effect of transmittance change is more obvious, the attention of the person outside the vehicle to the second area 30 is favorably improved, and therefore the warning information sent by the person inside the vehicle is found.
Example nine
The dimming system of the electrochromic window provided by the ninth embodiment of the invention can execute the dimming method of the electrochromic window provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method. As shown in fig. 8, a dimming system for an electrochromic window includes: the device comprises a sensor 2 and/or a user trigger device 3, a signal processing module 4, a color-changing control module 5, a first area module 10 and a second area module 20 of an electrochromic window 1;
the sensor 2 is used for generating sensing information, and the user trigger device 3 is used for generating trigger information according to the operation of a user;
the signal processing module 4 is used for generating warning information according to the sensing information of the sensor and/or the triggering information of the user triggering device 3, and generating a control instruction according to the warning information, wherein the control instruction comprises a first instruction and a second instruction;
the color-changing control module 5 is used for controlling the transmittance of the first area 10 and the second area 20 of the electrochromic window 1 according to the first instruction and the second instruction.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (11)
1. A method of dimming an electrochromic window, the electrochromic window including a first region and a second region, comprising:
generating warning information, wherein the warning information is generated according to the sensing information of the sensor and/or the triggering of the user triggering device;
generating a control instruction according to the warning information, wherein the control instruction comprises a first instruction and a second instruction;
sending the control instruction to the electrochromic window; the first instruction is used for controlling the transmittance of the first area to be in a first state, the second instruction is used for controlling the transmittance of the second area to be in a second state, and the second state is different from the first state so as to remind the warning information.
2. The method for dimming an electrochromic window according to claim 1, wherein the step of generating a control command according to the warning information comprises:
acquiring the current transmittance state of the second area;
judging whether the current transmittance state of the second area is the same as the second state;
if so, updating the second instruction to control the transmittance of the second area to be adjusted to the second state after a preset switching mode so as to update the control instruction.
3. The method for dimming an electrochromic window according to claim 1, wherein the generating a control command according to the warning information comprises:
acquiring a real-time distance from an obstacle;
acquiring warning information corresponding to the real-time distance from a preset list, wherein the preset list stores a plurality of distances and warning information corresponding to each distance in an associated manner;
and updating the first instruction and/or the second instruction according to the warning information.
4. The method for dimming an electrochromic window according to claim 1, wherein the step of generating a control command according to the warning information comprises:
acquiring a real-time speed;
judging whether the real-time speed is greater than a preset speed or not;
and if so, setting the first state as a preset state to update the control instruction.
5. The method for dimming an electrochromic window according to claim 1, wherein the step of generating the warning message comprises:
when the vehicle is detected to be in a flameout state, judging whether a power interface of the electrochromic window is connected to a preset power supply device;
if not, switching the power interface of the electrochromic window to the preset power equipment;
continuously monitoring whether organisms exist in the vehicle through a sensor;
if yes, warning information for warning the vehicle is generated.
6. The method for dimming an electrochromic window according to claim 1, wherein a light-impermeable layer is provided on a side of at least one of the second regions close to a vehicle interior, and the second region where the light-impermeable layer is provided is used as a third region;
when the warning information is the in-vehicle dangerous case warning information, a third instruction is further generated according to the in-vehicle dangerous case warning information; and the third instruction is used for controlling the transmittance change of a third area so as to remind people outside the vehicle of the in-vehicle dangerous case warning information.
7. The method for dimming an electrochromic window according to claim 1, wherein the step of generating a control command according to the warning information comprises:
judging whether the quantity of the warning information generated at the same time exceeds a specified value;
if yes, arranging the warning information according to the high-low sequence of the priority, and screening out a preset number of warning information;
and generating a control instruction according to the screened preset number of warning information to control the transmittance of each area of the electrochromic window.
8. An electrochromic window, comprising: a first region and a second region; the first area and the second area are distributed on the electrochromic window;
a first electrochromic stack is arranged in the first area, and the first area receives a first instruction to adjust the transmittance of the first electrochromic stack;
and a second electrochromic stack is arranged in the second area, and the second area receives a second instruction to adjust the transmittance of the second electrochromic stack.
9. The electrochromic window according to claim 8, wherein the second region is distributed at least on one side and/or at least one corner of the periphery of the first region, and/or is distributed within the first region.
10. The electrochromic window of claim 8, wherein a side of at least one of the second regions adjacent the interior of the vehicle is provided with a light impermeable layer.
11. A system for dimming an electrochromic window, comprising: the device comprises a sensor and/or a user trigger device, a signal processing module, a color-changing control module, a first area module and a second area module of an electrochromic window;
the sensor is used for generating sensing information, and the user trigger device is used for generating trigger information according to the operation of a user;
the signal processing module is used for generating warning information according to sensing information of the sensor and/or triggering information of the user triggering device and generating a control instruction according to the warning information, wherein the control instruction comprises a first instruction and a second instruction;
the color-changing control module is used for controlling the transmittance of the first area and the second area of the electrochromic window according to the first instruction and the second instruction.
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| CN115616938A (en) * | 2022-08-26 | 2023-01-17 | 广州汽车集团股份有限公司 | Electrochromic device control method and device, electronic equipment and storage medium |
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