CN211001326U - Touch key system for dimming vehicle window control - Google Patents
Touch key system for dimming vehicle window control Download PDFInfo
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- CN211001326U CN211001326U CN201922284973.3U CN201922284973U CN211001326U CN 211001326 U CN211001326 U CN 211001326U CN 201922284973 U CN201922284973 U CN 201922284973U CN 211001326 U CN211001326 U CN 211001326U
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Abstract
The utility model relates to a touch key system for adjusting luminance door window control, this system includes: the device comprises a dimming film, a touch key board, a backlight indicator lamp and a dimming controller; the edge of a side window of the rail transit high-speed rail train is provided with a black ink area, a touch key silk-screen printing area is further arranged in the black ink area, the middle of the side window of the rail transit high-speed rail train is a dimming area, the side window of the rail transit high-speed rail train at least comprises inner layer glass and outer layer glass, and the inner layer glass and the outer layer glass form a hollow layer; the light adjusting film is correspondingly attached to the light adjusting area and arranged on the inner side of the outer layer glass and used for adjusting the light transmittance of the light adjusting area; the touch key board is attached to the outer surface of the inner layer glass, located inside the hollow layer and corresponding to the touch key silk-screen area. The utility model discloses not only increased key control system function, still solved capacitanc touch button signal transmission distance's restriction, the distance between the two is very short usually, and interference immunity is poor problem very much.
Description
Technical Field
The utility model relates to a rail is handed over high-speed railway train side window glass of adjusting luminance especially relates to a touch key system for adjusting luminance door window control.
Background
With the continuous progress of the Chinese high-speed railway technology and the continuous development of the display technology, people put forward higher and higher requirements on the window glass of a high-speed railway, the window glass in the prior art only plays a piece of safety glass and is used for passengers to enjoy the scenery outside the window, but with the continuous improvement of passenger riding experience and additional service requirements, people put forward higher and higher requirements on more auxiliary functions integrated by the window glass.
The dimming glass in the prior art can effectively control the incident intensity of ambient light outside the glass through the electric control adjustment of the transmittance of the glass, so that the dimming glass and the vehicle window in the prior art can be fused for improving the functions of the vehicle window in the prior art, the intelligent upgrade is carried out, the new technology and the new technology of the glass are embodied, and the dimming glass is increasingly applied to the fields of buildings, vehicles and the like.
The most important operation of the light-adjusting glass is the adjustment of transmittance, the adjustment mode comprises a manual adjustment mode and an automatic adjustment mode, the manual adjustment mode needs a switch key, the key can adopt a solid key separated from the glass, such as a film key, a mechanical key and the like, and can also adopt a capacitive touch key panel integrated with the glass and the like.
In the process of implementing the present invention, the inventor finds that the prior art has at least the following problems:
in the manual adjustment mode, no matter what key scheme is adopted, the key control system is too monotonous in function, most of the manual adjustment modes only realize simple transmittance adjustment, and the control function and the algorithm are too monotonous and have the defects in the aspects of usability, reliability and maintainability.
In addition, when the touch key panel and the glass are integrated, the touch key panel and the touch key acquisition control module are usually separated from each other, the touch key acquisition control module is installed outside the glass and connected with the glass through a cable, and due to the limitation of the signal transmission distance of the capacitive touch key, the distance between the touch key and the glass is usually very short, and the anti-interference performance is very poor, so that great inconvenience is brought to product installation and application.
Therefore, a touch key system for controlling the dimming car window is urgently needed, and the problems of the existing dimming glass key control system are solved.
SUMMERY OF THE UTILITY MODEL
For the technical problem who exists among the above-mentioned prior art of solution, the embodiment of the utility model provides a touch key system for adjusting luminance door window control. The specific technical scheme is as follows:
in a first aspect, a touch key system for controlling a dimming window is provided, and is applied to dimming of a side window of a rail transit high-speed train, wherein the touch key system for controlling the dimming window comprises:
the device comprises a dimming film, a touch key board, a backlight indicator lamp and a dimming controller;
the edge of a side window of the rail transit high-speed rail train is provided with a black ink area, a touch key silk-screen printing area is further arranged in the black ink area, the middle of the side window of the rail transit high-speed rail train is a dimming area, the side window of the rail transit high-speed rail train at least comprises inner layer glass and outer layer glass, and the inner layer glass and the outer layer glass form a hollow layer;
the light adjusting film is correspondingly attached to the light adjusting area and arranged on the inner side of the outer layer glass and used for adjusting the light transmittance of the light adjusting area;
the touch key board is attached to the outer surface of the inner layer glass, located inside the hollow layer and corresponding to the touch key silk-screen area, the touch surface on the touch key board is attached to the outer surface of the inner layer glass and located inside the hollow layer, the touch keys on the touch key board and the touch surface are correspondingly silk-screen printed on the inner surface of the inner layer glass and located in the touch key silk-screen area, and backlight holes are further formed in the touch key board and used for guiding backlight of the touch keys;
the backlight indicator lamp and the backlight hole are correspondingly attached to the touch key board and located on the side far away from the inner layer glass, and when the backlight indicator lamp emits light, light rays of the backlight indicator lamp can penetrate through the backlight hole and emit to the touch key silk-screen area to light the touch keys; and
the dimming controller is correspondingly connected with the touch key board and the dimming film through the communication cable and the dimming control line.
In a first possible implementation manner of the first aspect, the rail transit high-speed train side window further comprises at least an aluminum spacer and a window frame;
the two ends of the aluminum spacing bar are respectively connected with the inner layer glass and the outer layer glass and are positioned at the edges of the inner layer glass and the outer layer glass, a hollow layer is formed among the aluminum spacing bar, the inner layer glass and the outer layer glass, and the light adjusting film, the touch key board and the backlight indicator lamp are positioned in the hollow layer; and
the window frame is coated on the edges of the aluminum spacing strip, the inner layer glass and the outer layer glass, and the communication cable penetrates through the aluminum spacing strip and the window frame to be connected with the dimming controller.
In a second possible implementation manner of the first aspect, the touch key silk-screen area is a white ink area and is in a shape of an annular runway, and the touch key is silk-screen printed in the white ink area.
In a third possible implementation manner of the first aspect, the touch key board is a circuit board with a capacitive touch key function, and the circuit board is made by coating copper on the surface of a printed circuit board.
In a fourth possible implementation manner of the first aspect, the touch key board is attached to the outer surface of the inner layer glass in a glue sealing manner, is located inside the hollow layer, and the glue sealing position of the touch key board is located around the screen printing area of the touch key, and/or the backlight indicator lamp is further coated with black high-temperature-resistant glue, and the black high-temperature-resistant glue is used for preventing the backlight indicator lamp from leaking light when the backlight indicator lamp emits light.
In a fifth possible implementation manner of the first aspect, the touch key sheet further has an RS232 communication interface thereon, and the touch key sheet is connected to the communication cable through the RS232 communication interface.
Compared with the prior art, the utility model the advantage that has have:
the utility model discloses a touch key system for adjusting luminance door window control has not only increased key control system function, has still solved capacitanc touch button signal transmission distance's restriction, and the distance between the two is very short usually, and interference immunity is poor problem very much.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a touch button system for controlling a dimming car window according to an embodiment of the present invention applied to a side window of a rail transit high-speed train.
Fig. 2 is a schematic structural diagram of a touch key silk-screen printing area arranged on a side window of a rail transit high-speed train according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure view of the touch button system for controlling a dimming window for a vehicle for a light-adjusting window of the present invention applied to a side window of a rail transit high-speed train.
Fig. 4 is a schematic step flow chart of a software algorithm of a touch key system for controlling a dimming car window according to two embodiments of the present invention.
Fig. 5 is a block diagram of a touch keypad and a dimming controller according to two embodiments of the present invention.
Fig. 6 is a control flow chart of the software algorithm of the touch key system for controlling the dimming window in the three embodiments of the present invention, which is specifically applied to the side window of the rail transit high-speed train.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
In an embodiment of the present invention, please refer to fig. 1, which shows that the touch key system 1 for dimming car window control according to an embodiment of the present invention is applied to the schematic structural diagram of the side car window 2 of the rail transit high-speed train. A touch key system 1 for adjusting luminance window control is applied to adjusting luminance of rail transit high-speed railway train side door window 2 for touch key system 1 for adjusting luminance window control includes membrane 3 of adjusting luminance, touch key board 4, backlight indicator 5 and dimming control ware 6, wherein:
referring to fig. 1 again, a black ink area 21 is disposed on an edge of a side window 2 of a rail transit high-speed train, and a touch key screen printing area 22 is further disposed in the black ink area 21. The touch key silk-screen area 22 disclosed in this embodiment is a white ink area and is shaped like an annular racetrack, that is, the background of the touch key silk-screen area 22 is white ink, because the touch key silk-screen area 22 is disposed in the black ink area 21, the background thereof is set as white ink, the touch key silk-screen area 22 can be distinguished conveniently, and meanwhile, because the touch key 42 is usually black, the background of the touch key silk-screen area 22 is set as white ink, and key backlight can be provided for display of the touch key 42, but not limited thereto, and a person skilled in the art can select the touch key silk-screen area 22 provided with other suitable backgrounds according to the actual color of the touch key 42 and the setting position of the touch key silk-screen area 22.
In this embodiment, the setting number of the touch key silk-screen area 22 is preferably the same as the setting number of the touch key board 4, for example, please refer to fig. 2, which shows a schematic structural diagram of the touch key silk-screen area 22 arranged on the side window 2 of the rail transit high-speed train according to an embodiment of the present invention, and when one touch key board 4 (touch key 42) is arranged, one touch key silk-screen area 22 is correspondingly arranged; referring to fig. 1 again, when two touch key panels 4 (touch keys 42) are arranged, two touch key screen printing areas 22 are arranged, and so on, but not limited thereto, for example, the number of the touch key screen printing areas 22 may also be different from the number of the touch key panels 4, and one touch key screen printing area 22 corresponds to a plurality of touch key panels 4 (touch keys 42).
Referring to fig. 1 and 2 again, the middle of the rail transit high-speed train side window 2 is a dimming area 23, and the rail transit high-speed train side window 2 at least comprises an inner layer glass 24 and an outer layer glass 25. Please refer to fig. 3, which shows a schematic cross-sectional structure diagram of a touch key system 1 for controlling a light-adjusting window of a vehicle for a high-speed rail train according to an embodiment of the present invention, applied to a side window 2 of the rail transit train. The side window 2 of the rail transit high-speed rail train disclosed in the embodiment at least further comprises an aluminum spacing bar 26 and a window frame 27, two ends of the aluminum spacing bar 26 are respectively connected with the inner layer glass 24 and the outer layer glass 25 and are located at the edges of the inner layer glass 24 and the outer layer glass 25, a hollow layer 28 is formed among the aluminum spacing bar 26, the inner layer glass 24 and the outer layer glass 25, the light modulation film 3, the touch key board 4 and the backlight indicator lamp 5 are located in the hollow layer 28 to protect the hollow layer from being corroded by water vapor, and the service life of the hollow layer is prolonged, and the window frame 27 is coated at the edges of the aluminum spacing bar 26, the inner layer glass 24 and the outer layer glass 25 and is used for installing the inner layer glass 24 and the outer layer glass 25 on the rail transit high-speed.
Referring to fig. 3 again, the light adjusting film 3 is attached to the light adjusting region 23 correspondingly and disposed on the inner side of the outer glass 25 and located inside the hollow layer 28, and the attaching manner may be optical adhesive, but not limited thereto. The light adjusting film 3 is used to adjust the light transmittance of the light adjusting region 23, and there is no particular requirement for selecting the light adjusting film 23 in this embodiment, and it is sufficient to refer to the routine selection of those skilled in the art.
The touch key board 4 is attached to the outer surface of the inner layer glass 24, located inside the hollow layer 28, and corresponding to the touch key screen printing area 22, and because the distance between the inner layer glass 24 and the outer layer glass 25 is usually small, that is, the hollow layer 28 is thin, in order to meet the space requirement of the hollow layer 28 and ensure the flatness of the attachment surface and the firmness of attachment, the material of the touch key board 4 is preferably a PCB copper foil, that is, a circuit board with a capacitive touch key function, which is made by directly applying copper on the surface of a Printed Circuit Board (PCB), is adopted, but not limited thereto.
The touch surface on the touch key sheet 4 is attached to the outer surface of the inner glass 24, and referring to fig. 1 and 2 again, the touch keys 42 and the touch surface on the touch key sheet 4 are correspondingly screen-printed on the inner surface of the inner glass 24, i.e. the side facing the passenger, and are located in the touch key screen-printed region 22, i.e. the white ink region. The touch key sheet 4 is also provided with a backlight hole 41 for guiding light in a backlight of the touch key 42.
In a preferred embodiment, the touch key sheet 4 is attached to the outer surface of the inner glass 24 by a glue sealing method, and the glue sealing position is located around the touch key silk-screen area 22, and the corresponding position of the touch key sheet 4 and the touch key silk-screen area 22 is not coated with glue or placed with a film, so as to ensure that light leaking through the backlight hole 41 on the touch key sheet 4 is only controlled in the touch key silk-screen area 22, but not limited thereto.
Referring to fig. 3 again, the backlight indicator 5 is disposed on the touch key sheet 4 corresponding to the backlight hole 41, where the light emitting surface of the backlight indicator 5 faces the backlight hole 41 so that the light emitted from the backlight indicator 5 can enter the backlight hole 41, the backlight indicator 5 is located at a side far from the inner glass 24, that is, at the non-adhesive surface of the touch key sheet 4, and the backlight indicator 5 is preferably a full-color light emitting diode (L ED) lamp, but not limited thereto.
When the backlight indicator 5 emits light, the light thereof can pass through the backlight hole 41 and be emitted to the touch key silk-screen area 22, and the touch key 42 is lighted. The backlight indicator 5 disclosed in this embodiment is further coated with black high temperature resistant glue, and the backlight indicator 5 is sealed by the black high temperature resistant glue, so that light rays of the backlight indicator 5 can only be emitted through the backlight hole 41, thereby preventing the backlight indicator 5 from leaking light when emitting light, but not limited thereto.
Referring again to fig. 1 and 3, the dimming controller 6 is connected to the touch key sheet 4 through a communication cable 7 to realize interaction between the touch key sheet 4 and the dimming controller 6. The communication cable 7 of the present embodiment has one end connected to the touch key sheet 4 and the other end connected to the dimming controller 6 through the aluminum spacer 26 and the window frame 27, but not limited thereto. Referring to fig. 1 again, the dimming controller 6 is connected to the dimming film 3 through the dimming control line 8, and the dimming controller 6 controls the transmittance of the dimming film 3 according to the interaction result with the touch key panel 4. Preferably, the power supply interface of the dimming controller 6 has a passive cascade bypass function, and the power supply interface supplies power to the vehicle body through the power supply input interface 61 of the DC110V, and outputs the power to the next dimming controller 6 through the power supply passive cascade bypass output interface 62 of the DC110V for power supply, but the invention is not limited thereto.
In a preferred embodiment, the touch key board 4 further has an RS232 communication interface, the touch key board 4 is connected to the communication cable 7 through the RS232 communication interface, because the touch key board 4 is integrated with the rail transit high-speed train side window 2 (the inner layer glass 24), and the dimming controller 6 is usually installed at a position away from the rail transit high-speed train side window 2, and the two are connected through the communication cable 7, it is possible to prevent the touch key board 4 from being damaged by static electricity, surge and other interference of the vehicle-mounted electromagnetic environment, and the RS232 communication interface further adopts an isolation process, that is, it is designed by adopting a high-voltage isolation RS232 chip, and the interference signal is isolated outside the touch key board 4, but not limited thereto.
In a preferred embodiment, the touch key system 1 for controlling the dimming window can be integrated with a remote control scheme and has a remote control function based on RS485 communication, and the specific technical scheme includes that an upper computer is arranged in a cab of an on-rail high-speed rail train and upper computer software is installed in the cab, the upper computer is connected with the dimming controller 6 through an RS485 communication cable, and the remote control of the dimming glass transmittance (the touch key system 1 for controlling the dimming window) can be realized by sending a control instruction through the upper computer software of the cab.
Meanwhile, in order to facilitate the arrangement of an RS485 communication cable and the centralized control of a plurality of dimming window glasses, an RS485 communication interface of the dimming controller 6 has a passive cascade bypass function and is provided with an RS485 communication input port 63 and a communication output port 64 of an RS485 interface, namely, the communication output port 64 of the RS485 interface on one dimming controller 6 can be connected with the RS485 communication input port 63 on the other dimming controller 6 through the cable, and the remote RS485 control and the control of the key control system in the embodiment are mutually redundant in software algorithm and have certain priority, the priority can be configured according to the requirement of a user, and the introduction of the remote control further improves the reliability, the usability and the maintainability of the application of the touch key system and the algorithm, but not limited by the application.
In the two embodiments of the present invention, please refer to fig. 4, which shows a step flow diagram of the software algorithm 9 of the touch key system for controlling the light-adjusting car window according to the two embodiments of the present invention. The software algorithm 9 of the touch key system for controlling the dimming car window comprises a touch key signal acquisition module, a key control module and a key backlight indicator lamp control module, and mainly comprises the following algorithm steps:
In a preferred embodiment, the touch key signal acquisition module may be connected to the multiple touch keys at the same time to perform redundant acquisition on the multiple touch keys, and when a user touches any one of the multiple touch keys, the touch key signal acquisition module performs shape acquisition on a signal of the touch key, so as to ensure that when a signal fault occurs on one or more of the multiple touch keys, the touch key signal acquisition module may further perform signal acquisition on the remaining touch keys, thereby avoiding affecting the acquisition function of normal key signals, and improving the reliability of the system and software, but not limited thereto.
In a preferred embodiment, the software of the touch key signal acquisition module can configure different touch key acquisition sensitivity parameters, and the key signal acquisition requirements on the sensitivity of the key glass cover plate (inner layer glass 24) with different thicknesses of 0-10 mm can be realized by the RS232 interface configuration mode.
In a preferred embodiment, the software of the touch key signal acquisition module may further implement a function of acquiring a single-point touch key signal and a function of acquiring a continuous long-press touch key signal, which are respectively used for acquiring a single-point touch key signal and a continuous long-press touch key signal, wherein the time required for acquiring the interval between two adjacent single-point touch key signals may be configured according to the user requirement.
And step 902, adjusting the transmittance of the dimming glass. Referring to fig. 5 again, the key control module is connected to the touch key signal acquisition module and interacts with the protocol of the dimming controller through a preset RS232 communication interface protocol, and the key control module performs multi-stage cyclic adjustment on the transmittance of the dimming glass according to the signal acquired by the touch key signal acquisition module, that is, the key control module adopts different control logics according to different triggering modes of the user on the touch keys; the grade number of the transmission rate adjusting control of the dimming glass and the amplitude of the transmission rate adjusting can be set randomly in a software configuration mode so as to match the requirements of users on different grade numbers of the glass transmission rate adjusting and amplitude value adjusting.
When a user clicks the touch key at intervals, a signal generated by the trigger key is a single-point touch key signal, when the user triggers once, the key control module sends a control instruction to the dimming controller through the RS232 communication interface to perform primary adjustment on the transmittance of the dimming glass, after the dimming controller completes the primary adjustment, a feedback signal is sent to the touch key board once, and the interval time of triggering the key by the user can be set, and the minimum time can be millisecond.
When a user continuously keeps touching the touch key, the signal generated by the trigger key is a continuous long-time touch key signal, the key control module continuously sends a control instruction to the dimming controller through the RS232 communication interface to continuously adjust the transmittance of the dimming glass, a feedback signal is sent to the touch key board once after the dimming controller completes continuous adjustment, and the interval time of the user triggering the key can be set, and the minimum time can be millisecond.
In a preferred embodiment, the key control module further has functions of detecting a fault state and actively reporting fault data, and the fault state detection includes detecting a fault state of the touch key and an RS232 communication state.
The key control module judges the connection state of the touch keys in real time through the key acquisition module, and when the key control module detects that the touch keys are disconnected, the fault state of the touch keys is actively reported to the light modulation controller through the RS232 communication interface and is informed to a user through the light modulation controller.
The key control module also establishes a heartbeat instruction connection with the dimming controller through the RS232 interface according to a communication protocol, when the dimming controller sends a confirmation state instruction to the key control module, the key control module receives the instruction and then performs an Acknowledgement (ACK) response, and when the dimming controller cannot receive the confirmation response for three times continuously, the RS232 communication state fault is judged, and then the dimming controller actively reports the fault to a user.
When a normal system is powered on, the key backlight indicator lamp control module controls a full-color light-emitting diode (L ED) lamp to be in a normally-on state of R, G, B three lamps, the full-color light-emitting diode lamp is displayed as a white indicator lamp, and white backlight is provided for key silk printing to provide indication for a user.
When a user touches the touch key to adjust the transmittance of the dimming glass and the touch key board receives a feedback signal, namely after the dimming controller completes one dimming operation, the key control module receives an adjustment completion signal of the dimming controller and sends the adjustment completion signal to the key backlight indicator control module, the indicator control module extinguishes the backlight indicator to indicate the successful completion of the current dimming operation to the user, and when the user removes the touch key, the indicator is recovered to be a white normally-on indicator.
In a preferred embodiment, when the key control module determines that all touch keys are faulty, the key backlight indicator control module is notified of the fault information, the key backlight indicator control module controls the backlight indicator to flash red, and the flashing interval is configurable to notify a user that the touch keys are faulty and invalid.
In another preferred embodiment, when the key control module determines that the RS232 interface is disconnected from the dimming controller, the key backlight indicator control module is notified of the fault information, and the key backlight indicator control module controls the backlight indicator to blink green, where the blinking interval is configurable to notify the user of the fault of the RS232 interface disconnection.
In another preferred embodiment, when the key control module determines that all the touch keys and the RS232 communication interface are simultaneously faulty, the key backlight indicator control module is notified of the fault information, the key backlight indicator control module controls the backlight indicator to flash blue, and the flashing interval is configurable to notify the user of the fault state.
In a preferred embodiment, the software algorithm 9 of the touch key system for controlling a dimming car window further includes a software upgrade maintenance module having a Universal Serial Bus (USB) interface, where the USB interface is used for connecting with a PC equipped with a burning tool software through a USB cable and burning through an ISP mode of a key control IC during upgrade maintenance of software, but not limited thereto.
The touch key board key control IC software upgrading in the prior art usually adopts an ISP (mode, an original ISP upgrading interface of the key control IC is a serial port and is TT L level, and the problem in two aspects exists in the upgrading process that firstly, the touch key board is attached to the inside of light modulation window glass, the interface needs to be led out of a window through a cable with a certain length, the TT L level transmission distance is short, the short transmission distance is usually used for in-board communication, the external leading-out requirement cannot be met, secondly, when the ISP mode software upgrading is needed, a switch needs to be arranged, the single chip microcomputer is switched to a burning mode, therefore, two wires need to be added for switching the function of the switch, the leading-out cables are increased, and the structural design and the processing difficulty of the window are improved.
In addition, the USB connection during software burning is utilized, the burning mode switching is achieved through a +5V power supply of the USB interface provided by burning equipment and an upper computer PC, namely the touch key board is provided with a judging circuit and a switching circuit, and when the upper computer is judged to pass through the +5V power supply provided by the USB, the touch control IC is automatically switched to the burning mode through the switching circuit to switch the software, so that the problem of increasing of a switch and a cable is solved.
The utility model discloses a three embodiments please refer to fig. 6, it shows the utility model discloses a control flow chart when the software algorithm of the touch key system for controlling the window of adjusting luminance train specifically uses the rail and hand over high-speed railway train side door window of three embodiments. The present embodiment is mainly a control flow when the software algorithm 9 of the touch key system for controlling a light-adjusting window in the above two embodiments is specifically applied to a side window of a rail transit high-speed train, and includes the following steps:
and S1, the user touches the key, and the triggering mode of the user touching the key is divided into S2, interval single-point touch signal and S11 continuous long-press touch key signal.
When the triggering mode of the user touching the key is S2 and the signal is a single-point touch signal at intervals, S3 is executed in sequence, and the key IC collects the touch signal of each single point; s4, the key IC passes through I2C, sending a key touch signal to the control IC by a communication protocol; s5, the control IC sends I according to each key IC2C, circularly triggering and reading a currently preset transmittance adjusting instruction by using a key signal; s6, the control IC packs the transmittance adjustment instruction data according to the RS232 interface protocol; s7, the control IC sends the packed dimming control data to the dimming controller through the RS232 interface according to each key triggering; s8, the light modulation controller adjusts the transmittance of the light modulation glass for one time and sends feedback signal data to the touch key board; s9, the touch key board receives the feedback signal of the light modulation controller to extinguish the one-time key backlight indicator lamp; and S10, completing the one-time adjustment of the transmittance of the light control glass.
When the triggering mode of the user touch key is S11 and the touch key signal is continuously pressed for a long time, S12 is sequentially executed, and the key IC acquires continuous touch signals; s13, pressKey IC through I2C, sending a key touch signal to the control IC by the communication protocol (the time interval is configurable); s14, the control IC reads the transmittance adjustment instruction data according to the preset time interval; s15, the control IC packs the transmittance adjustment instruction data according to the RS232 interface protocol; s16, the control IC sends the packed dimming control data to the dimming controller through the RS232 interface according to each key triggering; s17, circularly adjusting the transmittance of the dimming controller to the dimming glass according to a preset time interval, and sending a feedback signal to the touch key board after each adjustment is completed; s18, the touch key board turns off the key backlight indicator lamp once when receiving the feedback signal of the dimming controller; and S19, finishing the continuous adjustment of the transmittance of the light control glass.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides a touch key system for adjusting luminance door window control, is applied to the adjusting luminance of rail transit high-speed railway train side door window, its characterized in that, a touch key system for adjusting luminance door window control includes:
the device comprises a dimming film, a touch key board, a backlight indicator lamp and a dimming controller;
the edge of the side window of the rail transit high-speed rail train is provided with a black ink area, a touch key silk-screen printing area is further arranged in the black ink area, the middle of the side window of the rail transit high-speed rail train is a dimming area, the side window of the rail transit high-speed rail train at least comprises inner layer glass and outer layer glass, and the inner layer glass and the outer layer glass form a hollow layer;
the light adjusting film is correspondingly attached to the light adjusting area and arranged on the inner side of the outer layer glass and used for adjusting the light transmittance of the light adjusting area;
the touch key board is attached to the outer surface of the inner glass layer, located inside the hollow layer and corresponding to the touch key silk-screen area, the touch surface on the touch key board is attached to the outer surface of the inner glass layer and located inside the hollow layer, the touch keys on the touch key board and the touch surface are correspondingly silk-screen printed on the inner surface of the inner glass layer and located in the touch key silk-screen area, and backlight holes are further formed in the touch key board and used for guiding light for backlight of the touch keys;
the backlight indicator lamp and the backlight hole are correspondingly attached to the touch key board and located on the side far away from the inner layer glass, and when the backlight indicator lamp emits light, light rays of the backlight indicator lamp can penetrate through the backlight hole and emit to the touch key silk-screen area to light the touch key; and
the dimming controller is correspondingly connected with the touch key board and the dimming film through a communication cable and a dimming control line.
2. The touch button system for dimming window control of claim 1, wherein the rail transit high-speed train side window further comprises at least:
aluminum spacer bars and window frames;
the two ends of the aluminum spacing bar are respectively connected with the inner layer glass and the outer layer glass and are positioned at the edges of the inner layer glass and the outer layer glass, the hollow layer is formed among the aluminum spacing bar, the inner layer glass and the outer layer glass, and the dimming film, the touch key board and the backlight indicator lamp are positioned in the hollow layer; and
the window frame is coated on the edges of the aluminum spacing strip, the inner layer glass and the outer layer glass, and the communication cable penetrates through the aluminum spacing strip and the window frame to be connected with the dimming controller.
3. The touch key system for dimming vehicle window control according to claim 1, wherein the touch key silk-screen area is a white ink area and is in an annular runway shape, and the touch key is silk-screen in the white ink area.
4. The touch key system for dimming the vehicle window control according to claim 1, wherein the touch key plate is a circuit board with a capacitive touch key function, which is made by coating copper on the surface of a printed circuit board.
5. The touch key system for controlling the dimming car window according to claim 1, wherein the touch key plate is attached to the outer surface of the inner glass layer in a sealing manner and located inside the hollow layer, the sealing position of the touch key plate is located around the screen printing area of the touch key, and/or the backlight indicator lamp is further coated with black high-temperature-resistant glue, and the black high-temperature-resistant glue is used for preventing the backlight indicator lamp from leaking light when the backlight indicator lamp emits light.
6. The touch key system for dimming window control of claim 1, wherein the touch key plate is further provided with an RS232 communication interface, and the touch key plate is connected with the communication cable through the RS232 communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922284973.3U CN211001326U (en) | 2019-12-18 | 2019-12-18 | Touch key system for dimming vehicle window control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922284973.3U CN211001326U (en) | 2019-12-18 | 2019-12-18 | Touch key system for dimming vehicle window control |
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| CN211001326U true CN211001326U (en) | 2020-07-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843830A (en) * | 2019-12-18 | 2020-02-28 | 江苏铁锚玻璃股份有限公司 | Touch key system for dimming vehicle window control and software algorithm thereof |
| CN115128858A (en) * | 2022-06-27 | 2022-09-30 | 中车青岛四方机车车辆股份有限公司 | Vehicle window with partitioned dimming function, dimming method, electronic device and storage medium |
| US11846843B2 (en) | 2020-11-26 | 2023-12-19 | Beijing Boe Optoelectronics Technology Co., Ltd. | Dimming glass window and vehicle |
-
2019
- 2019-12-18 CN CN201922284973.3U patent/CN211001326U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843830A (en) * | 2019-12-18 | 2020-02-28 | 江苏铁锚玻璃股份有限公司 | Touch key system for dimming vehicle window control and software algorithm thereof |
| CN110843830B (en) * | 2019-12-18 | 2024-04-02 | 江苏铁锚玻璃股份有限公司 | Touch key system for controlling dimming car window and software algorithm thereof |
| US11846843B2 (en) | 2020-11-26 | 2023-12-19 | Beijing Boe Optoelectronics Technology Co., Ltd. | Dimming glass window and vehicle |
| CN115128858A (en) * | 2022-06-27 | 2022-09-30 | 中车青岛四方机车车辆股份有限公司 | Vehicle window with partitioned dimming function, dimming method, electronic device and storage medium |
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