EP4511258A1 - Objektsteuer- und/oder -regelsystem - Google Patents
Objektsteuer- und/oder -regelsystemInfo
- Publication number
- EP4511258A1 EP4511258A1 EP23720588.5A EP23720588A EP4511258A1 EP 4511258 A1 EP4511258 A1 EP 4511258A1 EP 23720588 A EP23720588 A EP 23720588A EP 4511258 A1 EP4511258 A1 EP 4511258A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- headlight
- detection device
- target
- alignment unit
- designed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/24—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for lighting other areas than only the way ahead
- B60Q1/245—Searchlights, e.g. adjustable from within the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
- B62J6/02—Headlights
- B62J6/022—Headlights specially adapted for motorcycles or the like
- B62J6/023—Headlights specially adapted for motorcycles or the like responsive to the lean angle of the cycle, e.g. changing intensity or switching sub-lights when cornering
-
- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/14—Other vehicle conditions
- B60Q2300/146—Abnormalities, e.g. fail-safe
-
- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/20—Indexing codes relating to the driver or the passengers
- B60Q2300/23—Driver's line of sight
Definitions
- the invention relates to an object control and/or regulation system, comprising an object, a target direction detection device for detecting at least one target movement variable, an evaluation unit and an alignment unit for the object. It also relates to a device for illuminating the route, as well as a two-wheeler or tricycle and a method for object control and/or object regulation.
- Cornering lights have become standard in motor vehicles and ensure increased safety.
- the cornering lights can be controlled depending on the curve radius traveled, a yaw rate or lateral acceleration of the vehicle or can be linked to a navigation system that allows predictions about the type of route traveled.
- Bicycles predominantly have permanently mounted headlights.
- the disadvantages of frame-fixed headlights are, in particular, that the light from the headlight is emitted further straight ahead when cornering is initiated, so that the target direction is not illuminated.
- a headlight mounted on the driver's helmet can illuminate the target direction well, but with small head movements, the constantly rapidly changing direction of the headlight is annoying This results in strong blinding of other road users.
- a headlight system for a vehicle driven by an operator with at least one controllable and adjustable headlight for emitting a line of sight-dependent light beam, with at least one adjustment device connected to the adjustable headlight, by means of which the adjustable headlight is adjustable and with a detection device that detects the direction of view of the operator.
- the headlight can remain in a position where it dazzles oncoming traffic.
- the invention is therefore based on the object of specifying a robust, reliable and precise system for controlling and/or regulating, in particular aligning, an object which has a fallback level. Furthermore, a device for illuminating the route, a two-wheeler or tricycle and a corresponding method should be provided.
- this task is solved according to the invention by the features of claim 1.
- a reference detection device is provided for detecting at least one reference movement variable
- the evaluation unit is configured such that it generates at least one signal for controlling and / or regulating the object based on the at least one detected target movement variable and the at least one detected reference movement variable and transmits it to the alignment unit
- the Alignment unit is configured to align the object based on this at least one signal, with an error handling device connected to the alignment unit being provided.
- the invention is based on the consideration that various types of errors can occur during the operation of a system described above. These include an incorrect or undesirable position of the headlight and thus an incorrect or undesirable direction of the light cone. Errors in the signal transmission between transmitter and receiver or the voltage of the helmet sensor being too low or the adjustment mechanism being stiff are also possible. Furthermore, errors can occur in the mechanics of the adjustment mechanism (motor defective, gear stuck, etc.). These errors are particularly relevant to safety. Incorrect headlight adjustment can result in the driver no longer being able to see the path ahead well enough. This can also cause blinding of oncoming traffic.
- the safety of the system or the user can be increased by providing a fallback level in the event of an error, in which the object or the headlight is brought into a nominal position or neutral position.
- the headlight can illuminate the path straight ahead and is aligned in a central position.
- the middle position is in the middle between the extreme left and the extreme right positions.
- the error handling device is configured to send an error signal to the alignment unit in the presence of an error condition, wherein the alignment unit is configured to align the object in a nominal position or neutral position upon receipt of this error signal.
- An error signal here is understood to mean, in particular, any type of active connection between the error handling device and the alignment unit, which is specifically suitable for signaling the alignment unit to place the headlight or the object in the nominal position.
- the nominal position or neutral position refers in particular to a position that lies between extreme positions, in particular in the middle, into which the object can be aligned.
- this position corresponds to the longitudinal orientation of the bicycle or the direction in which the bicycle rides with the handlebars aligned straight and thus the middle position.
- the headlight then behaves like a familiar bicycle lamp.
- the alignment unit and the error handling device are preferably formed with the same electronic components or in a common housing.
- the error handling device preferably comprises an actuating element and is configured such that it sends the error signal to the alignment unit upon a predetermined actuation. If the driver in particular detects a malfunction, he can do so by pressing the Actuating element causes the object to be aligned in the nominal position.
- the predetermined actuation is preferably an actuation that lasts longer than a predetermined time threshold. This means that the error signal is only generated if the actuating element is actuated for longer than a predetermined period of time.
- this predetermined period of time is between one and several seconds, preferably two or three seconds.
- the actuating element is preferably designed as a button or switch. When training as a button, the implementation of the software is simplified.
- the actuating element is advantageously attached or mounted on the object or has a mounting bracket.
- the mounting bracket is preferably designed as a handlebar mount, with the help of which the actuating element can be mounted on the handlebars.
- the actuating element or button can be attached to the handlebar near the handle or directly to the lamp. It is easier to operate on the handlebars, otherwise there is no need to lay a cable.
- the mounting bracket is therefore designed in a preferred embodiment as a mounting bracket for a bicycle handlebar.
- an activation element is provided or the system comprises an activation element which activates or deactivates the alignment unit when actuated. This means that the tracking of the headlight in the line of sight can be switched on or off.
- the actuating element and the activation element are designed as the same element and/or integrated. This reduces the number of controls. If the common element is designed as a button, for example, the tracking function is switched on or off by a short press, while a longer press activates the fallback level or the fallback mode, so that the headlight is moved to the nominal position.
- separate operating elements are designed so that only one function is assigned to each of the operating elements.
- the system advantageously includes an optical and/or acoustic notification element.
- the notification element changes state when the fallback level is activated, i.e. H. when the error signal is sent.
- the notification element is preferably designed as at least one LED or preferably comprises at least one LED.
- the notification element can be designed to light up in several colors, whereby one color (e.g. green) can also indicate the normal operating state. For example, the driver is informed by a yellow LED that the headlight has been automatically moved to the middle position. The headlight is switched off (possibly red error LED) and continuing to drive is then no longer possible or permitted.
- the error handling device is preferably configured to monitor the wireless communication and to send the error signal to the alignment unit in the event of a detected failure or malfunction of the wireless communication.
- An object direction and/or object acceleration and/or object speed is preferably recorded as the target movement variable, with a reference direction and/or a reference acceleration and/or a reference speed advantageously being recorded as the reference movement variable. If, in addition to the directions, the accelerations, in particular the acceleration due to gravity, are also recorded, the inclination of the object and/or the reference frame can also be taken into account when using the system to align a headlight.
- an object direction and a reference direction are detected, with the evaluation unit generating a signal for controlling and/or regulating the object from the difference between the two detected directions. In this way, errors that arise from the acceleration of movement of the target direction detection device can be compensated for.
- the target direction detection device advantageously has a sensor for the earth's magnetic field
- the reference detection device advantageously comprising a sensor for the earth's magnetic field to detect the reference direction.
- Any sensor that can detect and process translational and rotational movement signals is suitable. Taking the earth's magnetic field into account serves in particular to correct possible deviations in movement acceleration.
- the system is designed as a headlight system for a vehicle driven by an operator, with an object that is designed as a controllable and adjustable headlight for emitting a line of sight-dependent light beam, with an alignment unit that is designed as an adjusting device connected to the adjustable headlight is, by means of which the adjustable headlight can be adjusted, with a target direction detection device designed as a gaze detection device, which detects the line of sight of the operator, and with a reference detection device designed as a position detection device, which detects the position of the vehicle and / or the target direction detection device and / or the headlight, where the nominal position is a straight ahead or central position of the headlight.
- a target direction detection device designed as a gaze detection device, which detects the line of sight of the operator
- a reference detection device designed as a position detection device, which detects the position of the vehicle and / or the target direction detection device and / or the headlight, where the nominal position is a straight ahead or central position of the headlight.
- the eye detection device preferably detects a direction, for example a direction in which a person's head is turned.
- the gaze detection here is the detection of the direction of the head, whereby additional movements of the eyes to the left or right are not detected.
- the adjusting device is advantageously configured to adjust the headlight and/or at least one lamp of the headlight and/or at least one reflector of the headlight. In this way, the route can be illuminated as required.
- the eye detection device advantageously has a holder for a helmet, in particular a bicycle helmet, and/or the position detection device preferably has a holder for a bicycle frame.
- the eye detection device has a holder for a hat or cap, glasses or headphones.
- the eye detection device has a holder which is designed as an ear hook.
- a preferably lightweight sensor and transmitter module is attached to the helmet, which determines and sends the absolute position and direction of the head.
- Another module is attached to a bicycle, possibly as part of the lamp. It contains a receiver that receives the direction and position of the helmet and another sensor that determines the direction and position of the headlight.
- the direction in which the headlight needs to be readjusted is calculated from this position and direction data. The readjustment is carried out, for example, by a positioning actuator in or on the headlight.
- a swivel actuator of the lamp and reflector is preferably implemented.
- moving just the reflector or controlling various light sources, such as LEDs can also be possible or implemented.
- a vertical movement can be carried out in a further movement axis as needed in order to better illuminate distant targets or traffic signs. comparable to the high beam in motor vehicles.
- the driver's head direction (viewing direction) is preferably recorded or recognized by a sensor. Electronics evaluate this direction and change the lighting direction of the headlight accordingly.
- the invention also includes a device for illuminating the route according to claim 19, comprising a helmet and comprising a headlight system described above, the eye detection device being attached to the helmet.
- the invention further comprises a two-wheeler or tricycle according to claim 20, comprising a device described above, wherein the position detection device is mounted on the vehicle frame to detect the position of the vehicle and / or the position of the headlight system.
- the object is a drone, in particular an aircraft drone.
- the object is designed as a searchlight or as a fire hose or water cannon.
- the above-mentioned object is solved by claim 21, wherein at least one target movement quantity and at least one reference movement quantity are detected, and wherein the object is aligned based on the detected movement quantities.
- the object is a lighting device of a vehicle guided by an operator, whereby the operator's line of sight is recorded as the target movement variable, and the position of the vehicle is recorded as the reference movement variable, and based on the difference in the direction of view and position of the vehicle at least one parameter is set for at least one adjustable and adjustable headlight of the lighting device.
- at least one acceleration is detected, this acceleration being used to adjust at least one parameter of an adjustable and adjustable headlight of the lighting device.
- the advantages of the invention are, in particular, that the system described above achieves precise and robust control or regulation of an object, in the event of an error in a fallback level by moving the object into or aligning the object in a nominal position a basic function of the system can be maintained.
- the system includes safety-relevant performance features for direction-dependent headlights for bicycles, pedelecs and e-bikes. Reaction of the system in the event of possible malfunctions occurring.
- the system is implemented or designed in such a way that after a malfunction in the following mode is detected, the headlight is brought into a nominal position by pressing a button and the following mode is thus ended.
- the malfunction is detected by the driver's perception.
- the data connection between the sensor on the helmet and the sensor on the headlight can be monitored automatically. If there is an error here, i.e. H. If there is no data connection, the headlight automatically moves to the nominal position so that the headlight can function normally as quickly as possible.
- the headlight system described above creates cornering lights that depend on the viewing direction. It is independent of driving situation parameters such as steering angle or vehicle inclination. The light is always where the driver is looking, even when the vehicle is stationary.
- the bicycle lamp illuminates the area into which the rider is looking.
- the light cone is not controlled depending on the position of the handlebars, but rather depending on the direction of view, which increases safety. A headlamp for turning or reading the directions/signs is no longer necessary.
- Transmitters from multiple helmets can be “paired” with the same receiver and vice versa. Small movements can be specifically filtered out using a low-pass filter.
- the headlight direction e.g. to the left
- the weight of the headlight remains on the bike (unlike the helmet light).
- the headlight Aligning the headlight in a nominal position prevents oncoming traffic from being blinded. In this case, the headlight can still fulfill the function of a permanently mounted headlight in its central position.
- FIG. 1 shows an alignment unit, an error handling device, an actuating element, a notification element and an adjustable headlight of a system in a preferred embodiment in a perspective view
- FIG. 2 shows the alignment unit, the error handling device, the actuating element, the notification element and the adjustable headlight according to FIG. 1 in a first configuration in a top view
- FIG. 3 shows the alignment unit and the adjustable headlight according to FIG. 1 in a second configuration in a top view
- FIG. 4 shows the alignment unit and the adjustable headlight according to FIG. 1 in an explosive representation
- Figure 5 shows a lamp holder in a perspective view
- Figure 7 shows the target direction detection device according to Figure 6 mounted on a helmet
- Figure 8 shows an object control and/or regulation system with a gaze detection device according to Figure 1 and a position detection device according to Figure 6.
- the same parts are given the same reference numbers in all figures.
- FIGS 1-4 show a detail of a bicycle frame 1, to which a lamp holder 2 with a housing 3 is attached.
- the figures show a reference detection device 34, which in the present case is designed as a position detection device 35.
- This includes a lamp housing 4, which accommodates a ring 5 and a lens 6.
- the housing 3 has a glass 31 on one front, which serves as a transparent protective cover.
- the ring 5, the lens 6 and an LED board 14 form a headlight 44 and are arranged in a carrier 20, which is closed with a cover 19. Two screws 9 are used to fasten the cover 19 to the carrier 20.
- An L-shaped circuit board 12 and another circuit board 10 are arranged on the sides of the carrier 20.
- a circuit board 13 is arranged perpendicular to this. On the other board 1 1 there is a Bluetooth module and a microcontroller.
- the circuit board 12 belongs to the lamp and is used to control an optional high beam function.
- the circuit board 13 contains the components for the power supply and a connector collar 18 for connecting the power supply and as a service interface. Depending on the design, it is also conceivable that components and functions are combined, thereby reducing the number of circuit boards.
- the carrier 20 is rotatably attached to the cover 19 by means of a ball bearing 15 and a cylinder pin 16.
- the position detection device 35 includes a servo drive 17, which rotates a gear 21, which is in engagement with a gear segment 22. It further comprises a sensor 39 for detecting a direction and a receiving unit 38 for communicating with a gaze detection device 32 shown in Figures 6 and 7.
- the sensor 39 In the present case, uses the earth's magnetic field to determine an azimuthal direction. Using screws 7, the servo drive 17 is screwed onto the circuit board 11. The carrier 20 is screwed to the housing 3 using screws 8.
- the position detection device 35 receives a signal from the eye detection device 32, which represents a viewing direction.
- the receiving unit 38 transmits this signal to an evaluation unit 41, which compares this signal with a signal from the sensor 38. It forms the difference from the two detected directions and uses it to generate a signal for an alignment unit 42 or adjustment unit 43, which includes the servo drive 17 and the gear 21.
- an error handling device 45 is formed, which is connected to the alignment unit 41 on the signal input side.
- the error handling device 45 includes a control element or actuating element 46, which is designed as a button 47 in the preferred exemplary embodiment shown.
- a notification element 48 is provided, which in the present case is designed as a lighting element which can light up in two colors as required. 2 shows how the headlight 44 shines in a straight direction.
- Figure 3 shows the headlight 44 in a rotated position, which is achieved starting from the straight position according to Figure 2 by activating the servo drive 17.
- the lamp holder 2 is shown in Figure 5.
- the gear segment 22 is attached to the lamp holder 2, so that when the servo drive 17 is actuated and the gear 21 rotates, the engagement of the gear 21 with the gear segment 22 results in a rotation of the ring 5, lens 6 and LED board 14 takes place. In this way, the direction of illumination can be adjusted in a plane in which these components rotate.
- FIG. 6 shows a target direction detection device 32, which is designed as a gaze detection device 33. It comprises a housing 23 with a cover 24. An on/off switch 26 is arranged under the cover 24. The cover 24 includes an opening through which a part of the on/off switch 26 is guided so that it can be operated from the outside when installed. The cover 24 is attached to the housing with two screws 27. Further screws 28 are used to fasten the eye detection device 32 to a helmet 29, see Figure 7.
- a sensor 37 for position detection or viewing direction is arranged under the cover 24 and senses the earth's magnetic field.
- the gaze capture device 32 further comprises a battery 25, which is preferably designed as a rechargeable battery, and a transmitting unit 36 for wirelessly sending a signal representing the position of the gaze capture device 32 or the helmet 29 to the position capture device.
- the eye detection device 32 includes a first circuit board 10 and a second circuit board 1 1 .
- the circuit board 10 contains the motion and position sensors for the translational and/or rotational motion detection and the detection of the earth's magnetic field.
- FIG. 7 shows a person's head 30 schematically, on which a helmet 29 is placed.
- the target direction detection device 32 or gaze detection device 33 is attached to the back of the helmet 29. If the person turns his head 30 in one direction, the helmet 29 also rotates in this direction, so that this direction is detected by the eye detection device 33.
- the gaze detection here is the detection of the direction of the head, although additional movements of the eyes to the left or right are not detected in this case.
- 8 shows an object control and/or regulation system 40 with the eye detection device 32 according to FIG. 1 and the position detection device 35 according to FIG. 6.
- the driver can discover an error in the tracking of the headlight 44 according to the direction of vision or alignment of the helmet. This can result in an incorrect or undesirable position of the headlight and thus an incorrect or undesired direction of the light cone.
- the servo drive 17 may be defective or the gear 21 may be jammed.
- the driver can press the button 47, in this case for longer than 3 seconds, for example.
- the error handling device 45 sends an error signal to the alignment unit 42, which, upon receipt of the error signal, moves the headlight 44 to a nominal position or neutral position, which corresponds to an alignment of the headlight 44 in a straight-ahead direction, which is the direction of travel of the bicycle with the handlebars aligned straight corresponds.
- the error handling device 45 activates the notification element 48 to visually indicate to the driver that the fallback level has been activated.
- the notification element 48 displays a yellow light.
- the driver is thus shown that in fallback mode the headlight behaves like a normal, fixed forward headlight.
- the system 40 is configured in such a way that the button 47 or the actuating element 46 fulfills a dual function. If the button 47 is only pressed briefly, the tracking function is switched off, which is indicated by the notification element 48 with the help of a red light.
- the error handling device 45 monitors the transmission unit 36 for wirelessly sending the signal representing the position of the eye detection device 32 or the helmet 29 to the position detection device. If the wireless transmission fails, ie there is no longer a data connection and/or there is a disturbance, the fallback level is activated and the error signal is sent to the alignment unit.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022109692.0A DE102022109692A1 (de) | 2022-04-21 | 2022-04-21 | Objektsteuer- und/oder- regelsystem |
| PCT/EP2023/060075 WO2023203049A1 (de) | 2022-04-21 | 2023-04-19 | Objektsteuer- und/oder -regelsystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4511258A1 true EP4511258A1 (de) | 2025-02-26 |
Family
ID=86282263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23720588.5A Pending EP4511258A1 (de) | 2022-04-21 | 2023-04-19 | Objektsteuer- und/oder -regelsystem |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4511258A1 (de) |
| CN (1) | CN119053483A (de) |
| DE (1) | DE102022109692A1 (de) |
| WO (1) | WO2023203049A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19911901C5 (de) * | 1999-03-17 | 2010-01-28 | Daimler Ag | Fahrzeugbeleuchtungsvorrichtung mit fahrsituationsabhängiger Beleuchtungssteuerung |
| JP3643315B2 (ja) * | 2001-05-07 | 2005-04-27 | 株式会社小糸製作所 | 車両用照明装置 |
| DE102005036002A1 (de) | 2005-08-01 | 2007-02-08 | GM Global Technology Operations, Inc., Detroit | Verfahren zur Steuerung der Beleuchtungseinrichtung eines Fahrzeuges, Scheinwerfersystem und Verarbeitungseinrichtung |
| US20170166108A1 (en) * | 2015-12-15 | 2017-06-15 | TMW Consulting LLC | Auxiliary dynamic light and control system |
| DE102016001692B4 (de) * | 2016-02-13 | 2022-01-27 | Audi Ag | Fahrerassistenzsystem zur Steuerung einer Lichtabstrahlung einer fahrzeugseitigen Scheinwerfereinrichtung |
| US9925921B1 (en) * | 2017-04-17 | 2018-03-27 | Feniex Industries, Inc. | Head tracking control system for controlling an auxiliary vehicle light |
| KR101884128B1 (ko) * | 2017-07-19 | 2018-07-31 | 황종대 | 모터바이크 보조 전조등 스마트 조향 시스템 |
| DE102018201285A1 (de) * | 2018-01-29 | 2019-08-01 | Robert Bosch Gmbh | Kraftfahrzeugscheinwerfersystem, Verfahren zum Betreiben eines Kraftfahrzeugscheinwerfersystems |
-
2022
- 2022-04-21 DE DE102022109692.0A patent/DE102022109692A1/de active Pending
-
2023
- 2023-04-19 CN CN202380035305.3A patent/CN119053483A/zh active Pending
- 2023-04-19 WO PCT/EP2023/060075 patent/WO2023203049A1/de not_active Ceased
- 2023-04-19 EP EP23720588.5A patent/EP4511258A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023203049A1 (de) | 2023-10-26 |
| DE102022109692A1 (de) | 2023-10-26 |
| CN119053483A (zh) | 2024-11-29 |
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