Glass-based circuit of photoelectric glass handrail

Abstract

The utility model provides a glass-based circuit of a photoelectric glass handrail, which comprises a glass plate silver-based circuit, a plurality of LED lamp beads and FPC flexible circuit boards, the plurality of LED lamp beads are arranged at a plurality of mounting positions of the glass plate silver-based circuit, the FPC flexible circuit boards comprise a first FPC flexible circuit board, a second FPC flexible circuit board and a third FPC flexible circuit board, and the first FPC flexible circuit board, the second FPC flexible circuit board and the third FPC flexible circuit board are arranged on the glass plate silver-based circuit. The first FPC soft circuit board, the second FPC soft circuit board and the third FPC soft circuit board are respectively connected with a plurality of LED lamp beads, and the first FPC soft circuit board, the second FPC soft circuit board and the third FPC soft circuit board are cascaded. According to the utility model, the FPC flexible circuit board is respectively connected to the anode and cathode branch circuits of the plurality of rows of lamp beads, so that the branch circuits of each row of LED lamp beads can realize the control of circuit voltage on-off and lamp bead signals.

Description

TECHNICAL FIELD

[0001] The utility model mainly photoelectric glass installation's technical field, concretely is a kind of glass base circuit of photoelectric glass railing. BACKGROUND

[0002] Glass railing is loved by people due to the good light transmittance, lighting and aesthetics, and with the maturation of the current technology of tempered glass, glass railing is widely used in residential areas, shopping malls, office buildings and other occasions, and the traditional glass railing is limited by the number of glass base circuit controlled LED lamp beads, and cannot realize flexible control and dynamic display effect of super large size, such as 800x1200mm glass railing. INVENTION CONTENTS

[0003] In order to solve the problems in the above background art, the utility model provides a glass base circuit of photoelectric glass railing, which is connected to the positive and negative branch circuits of 36 rows of lamp beads through the cascade mode of three section FPC soft circuit boards, realizes the control of circuit voltage on-off and lamp bead signal of each row of LED lamp bead branch circuit, and realizes the flexible control and real-time dynamic display solution of super large size 800x1200mm glass railing.

[0004] The utility model adopts the following technical scheme: a glass base circuit of photoelectric glass railing, comprising a glass plate silver base circuit, a plurality of LED lamp beads and an FPC soft circuit board, the plurality of LED lamp beads are arranged in a plurality of mounting positions of the glass plate silver base circuit, the FPC soft circuit board comprises a first FPC soft circuit board, a second FPC soft circuit board and a third FPC soft circuit board, the first FPC soft circuit board, the second FPC soft circuit board and the third FPC soft circuit board are connected with the plurality of LED lamp beads respectively, and the first FPC soft circuit board, the second FPC soft circuit board and the third FPC soft circuit board are cascaded.

[0005] Preferably, the encapsulation of LED lamp beads on the glass plate silver base circuit adopts a 45° oval pad.

[0006] Preferably, the signal of the glass plate silver base circuit is connected to the Dout pin of the second LED lamp bead in a series mode from the Din pin of the first LED lamp bead of a single group of signals, and is arranged according to the number of lamp beads.

[0007] Preferably, the glass plate silver base circuit is a nano silver base circuit printed on a glass original piece, the LED lamp bead is a 45° LED encapsulated on a 45° oval pad, and the positive and negative poles of the top common circuit are respectively connected with the positive and negative poles of the single-row LED lamp bead branch circuit.

[0008] Preferably, the single-row LED lamp bead branch circuit positive and negative lead wires are connected with the top current sharing circuit positive and negative lead wires through the top current sharing circuit jumper wire, and the top current sharing circuit jumper wire is a 1012 package 10A jumper wire.

[0009] Preferably, the first FPC soft circuit board is a left lower corner strip-shaped FPC circuit board, the second FPC soft circuit board is a middle T-shaped FPC circuit board, and the third FPC soft circuit board is a right lower corner strip-shaped FPC circuit board.

[0010] Preferably, the left lower corner strip-shaped FPC circuit board is connected with the middle T-shaped FPC circuit board left side power supply positive pole, the left lower corner strip-shaped FPC circuit board is connected with the middle T-shaped FPC circuit board left side power supply negative pole, the right lower corner strip-shaped FPC circuit board is connected with the middle T-shaped FPC circuit board right part power supply positive pole, and the right lower corner strip-shaped FPC circuit board is connected with the middle T-shaped FPC circuit board right part power supply negative pole.

[0011] Preferably, the first FPC soft circuit board, the second FPC soft circuit board and the third FPC soft circuit board are connected in conduction through spot welding, and form an integral closed loop circuit, the integral closed loop circuit comprises two groups of LED Din signals, each group of LED Din signals is in series connection with 18 rows of LED lamp beads in the longitudinal direction, each row of LED lamp beads has 52 LED lamp beads, and the two groups of LED Din signals control 1872 LED lamp beads in total.

[0012] Preferably, the first LED lamp bead of the LED lamp bead matrix controlled by each group of Din signals is in series connection with a 1206 package 200 ohm patch current limiting resistor, mainly for protecting the LED lamp bead from the instantaneous high voltage impact phenomenon caused by the power peak, and a 1206 package 200 ohm patch bleeder resistor is connected in series between the Dout pin of the last LED lamp bead of each group of lamp bead matrix and the power supply negative pole, mainly for protecting the LED lamp bead from the instantaneous current phenomenon caused by the power impact.

[0013] The utility model also provides a kind of application of glass base circuit of photoelectric glass railing, and the glass base circuit of photoelectric glass railing of any of the above can be applied to 800x1200mm super large photoelectric glass railing circuit.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1, the utility model discloses an innovative photoelectric module bottom electric control mode output design, and the bottom of 800x1200mm circuit module is connected into the positive and negative branch circuit of 36 rows of lamp beads through the cascade mode of three FPC soft circuit boards, and the branch circuit of each row of LED lamp beads is controlled by circuit voltage on-off and lamp bead signal.

[0016] 2, The utility model discloses each function block design reasonable compliance, easily realize large -scale mass production, this scheme has carried out cost control effectively.

[0017] 3, The utility model discloses can realize the grouping LED lamp pearl dynamic play display function in large -size glass railing.

[0018] The utility model will be explained in detail in the following with the specific embodiment to the utility model. DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the first (A) partial enlarged schematic diagram of Figure 1

[0021] Figure 3 It is the second (B) partial enlarged schematic diagram of Figure 1

[0022] Figure 4 It is the third (C) partial enlarged schematic diagram of Figure 1

[0023] Figure 5 It is the fourth (D) partial enlarged schematic diagram of Figure 1

[0024] Figure 6 It is the fifth (E) partial enlarged schematic diagram of Figure 1

[0025] Figure 7 It is 2026 lamp pearl 45 ° LED package schematic diagram;

[0026] Figure 8 It is the package schematic diagram of 2026 package LED three channel RGB lamp pearl. DETAILED DESCRIPTION

[0027] In order to facilitate understanding the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and the drawings have shown several embodiments of the utility model, but the utility model can be realized through different forms, and is not limited to the embodiment described in the text, on the contrary, provides these embodiments are to make the content disclosed by the utility model more thorough and comprehensive.

[0028] ​​​​​It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element such as a layer, region or substrate is described as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] Reference will now be made, by way of example, to the accompanying drawings in which Figures 1-8 A glass-based circuit of a photoelectric glass railing, by a cascading manner of three FPC soft circuit boards, is connected to positive and negative branch circuits of 36 rows of lamp beads respectively, to realize voltage on-off control of branch circuits of each row of LED lamp beads and control of lamp bead signals, to realize a real-time dynamic display solution of a glass railing dedicated to an 800x1200mm transparent display screen of super large size. The scheme selects 2026 packaged LED internal control IC lamp beads, and a single-line zero-return code control protocol realizes a design of a maximum threshold value of 1024 lamp beads, to realize flexible adjustment of lamp bead quantity for control of brightness requirements of each specification requirement.

[0031] The glass-based circuit of the photoelectric glass railing of the embodiment comprises a glass plate silver-based circuit, a plurality of LED lamp beads and an FPC soft circuit board, the plurality of LED lamp beads are arranged at a plurality of mounting positions of the glass plate silver-based circuit, the FPC soft circuit board comprises a first FPC soft circuit board, a second FPC soft circuit board and a third FPC soft circuit board, the first FPC soft circuit board, the second FPC soft circuit board and the third FPC soft circuit board are connected to the plurality of LED lamp beads respectively, and the first FPC soft circuit board, the second FPC soft circuit board and the third FPC soft circuit board are cascaded.

[0032] Preferably, 45° oval pads are adopted for packaging of the LED lamp beads on the glass plate silver-based circuit. The glass plate silver-based circuit is a nano silver-based circuit printed on a glass original sheet, the LED lamp beads are 45° LED packages on 45° oval pads, and top common circuit positive and negative lead wires are connected to single-row LED lamp bead branch circuit positive and negative lead wires respectively. Specifically, Figure 8The package size of the 2026 package LED three-channel RGB lamp bead. The lamp bead is 2.6mm long, 2.0mm wide and 0.8mm high. The four pins of the lamp bead are connected to the external pins in the form of PTH half-hole with gold plating process. The combination of gold-plated PTH half-hole process and glass silver-based circuit pad makes the tin paste melt more uniform during the reflow soldering process. The lamp bead is capable of reflowing in the right position and is not easy to deviate. The solder joint after solidification is firm and not easy to fall off. The function of the lamp bead pin definition is as follows Figure 8 As shown by the annotations, 1, Din is the signal input end; 2, GND is the negative pole of the 5V power supply; 3, Dout is the signal output end, and 4, VDD is the positive pole of the 5V power supply. The package adopts a 45° oval pad. This pad design can make the solder paste easily reflow to the welding point to ensure the tin state of each part. The signal is connected in series from the Din pin of the first LED lamp bead in a single group of signals to the Dout pin of the second LED lamp bead. According to the number of lamp beads, the layout scheme is as follows: it is convenient to control the connection of RGB signals with a maximum threshold of 1024 LED within a certain number. The single-line zero code control protocol also simplifies the circuit connection design and signal transmission method.

[0033] The glass plate silver-based circuit is the cornerstone of the entire scheme. The glass plate silver-based circuit is a special nano silver-based circuit that is tightly combined with the glass and is pre-designed on the glass wafer. The nano silver-based circuit has excellent conductivity. The circuit resistance of 1 meter length and 0.254mm line width is only 1.0 ohm. The circuit surface has good solderability and outstanding tensile strength. The single-point 1x1mm pad soldering iron 350℃ soldering time is greater than 3 seconds, and the single-point 1x1mm pad tensile strength is greater than 80N.

[0034] The design purposes of the circuit parts are as follows Figures 2-7As shown by the mark, the design purposes of the left and right sides of the top circuit are basically the same, 5, 2026 lamp beads 45° LED packaging, 6, the top current sharing circuit jumper 1012 package 10A jumper, 7, the top current sharing circuit positive and negative lead, 8, single row lamp bead branch circuit negative lead, 9, single row lamp bead branch circuit positive lead, 10, PCBA SMT physical foolproof optical point, 11, PCBA SMT top physical foolproof direction mark, 12, PCBA SMT automatic optical positioning Mark point, 13, the first pin of the first LED lamp bead Din in the first matrix of signal access LED lamp bead 1206 package 200 ohm current limiting resistor, 14, PCBA circuit left lower corner strip FPC positive power supply welding point, 15, six-bit seven-segment code production cycle of exposure tool of phase transfer process, 16, the first group of signal starting bit of LED matrix, 17, PCBA SMT physical foolproof identification bit, 18, PCBA SMT bottom physical foolproof direction mark, 19, PCBA SMT automatic optical positioning Mark point, 20, PCBA circuit left lower corner strip FPC and bottom middle T-shaped FPC left power positive welding point, 21, circuit diagram bottom main circuit negative, 22, circuit diagram bottom main circuit positive, 23, circuit diagram bottom first group of LED lamp bead matrix signal line, 24, PCBA circuit left lower corner strip FPC negative power supply welding point, 25, PCBA circuit left lower corner strip FPC and bottom middle T-shaped FPC left power positive welding point, 26, PCBA circuit right lower corner strip FPC and bottom middle T-shaped FPC right power positive welding point, 27, PCBA circuit left lower corner strip FPC and bottom middle T-shaped FPC left power negative welding point, 28, PCBA circuit right lower corner strip FPC and bottom middle T-shaped FPC right power negative welding point, 29, PCBA circuit left lower corner strip FPC and bottom middle T-shaped FPC left power positive welding point, 30, PCBA circuit right lower corner strip FPC and bottom middle T-shaped FPC right power positive welding point, 31, circuit diagram first group of LED lamp bead matrix signal welding point, 32, circuit diagram second group of LED lamp bead matrix signal welding point, 33, circuit scheme LED lamp distance matrix external 5V negative total power access point, 34, circuit scheme LED lamp distance matrix external 5V negative total power access point, 35, circuit scheme first group of LED lamp bead matrix external signal access point, 36, circuit scheme second group of LED lamp bead matrix external signal access point, 37, circuit scheme LED lamp distance matrix external 5V positive total power access point, 38, circuit scheme LED lamp distance matrix external 5V negative total power access point, 39, PCBA circuit left lower corner strip FPC and bottom middle T-shaped FPC left power negative welding point, 40, PCBA circuit right lower corner strip FPC and bottom middle T-shaped FPC right power negative welding point, 41, PCBA circuit right lower corner strip FPC and bottom middle T-shaped FPC right power positive welding point,42, PCBA when the soft circuit board stretch flatness drain hole, 43, the last light Dout pin of the second matrix of signal output LED lamp bead 1206 package 200 ohm bleed resistance, 44, the six-bit fence seven segment code of the photo transfer process mass production cycle, 45, PCBA when the circuit right lower corner strip FPC right power negative pole butt joint point, 46, PCBA when the circuit right lower corner strip FPC right power positive pole butt joint point, 47, the last light Dout pin of the first matrix of signal output LED lamp bead 1206 package 200 ohm bleed resistance, 48, the first LED lamp bead Din pin 1206 package 200 ohm current limiting resistance of signal access LED lamp bead second matrix;

[0035] The circuit scheme in the embodiment is designed at the bottom of the circuit, which is connected by butt joint of three FPC soft circuit boards at different positions to form a whole closed loop circuit. The circuit has two groups of LED Din signals, each group of signals is connected in series with 18 rows of LED lamp beads in the vertical direction, and each row has 52 lamp beads. One group of signals has 936 LED lamp beads (satisfying the maximum signal series threshold of 1024 lamp beads). The circuit design has two groups of control signals, a total of 1872 lamp beads. The first lamp bead Din pin of each group of lamp bead matrix is connected in series with one 1206 package 200 ohm patch current limiting resistance (mainly to protect the lamp bead from the instantaneous high voltage impact phenomenon caused by the city power peak), and the last lamp bead Dout pin of each group of lamp bead matrix is connected in series with one 1206 package 200 ohm patch bleed resistance between the negative pole of the power supply (mainly to protect the lamp bead from the instantaneous current phenomenon caused by the city power impact). The lamp bead matrix at the bottom of the whole circuit is designed with one piece of “I” type strip FPC circuit soft board on the left and right sides, and one piece of “T” type FPC circuit soft board is designed in the middle of the positive bottom to be connected to the external power supply and signal controller.

[0036] The innovative photoelectric module bottom control method output design in the embodiment is connected to the positive and negative branch circuits of 36 rows of lamp beads through the cascade mode of three FPC soft circuit boards at the bottom of the 800x1200mm circuit module, to realize the control of the circuit voltage on-off and the lamp bead signal of each row of LED lamp bead branch circuit.

[0037] The special design of 800x1200mm super large circuit scheme in the embodiment, through the process method of image transfer, the circuit image is transferred to the surface of the original glass, the surface of the original glass is combined with the high temperature and the glass silicon oxide material in the process of tempering to realize the forming of the silver-based circuit; the performance index of the silver-based circuit on the surface of the glass meets the relevant standards of electronic welding, the designed lamp bead packaging matrix and the packaging of ordinary external circuit parts can also meet the automatic production standards of the electronic industry; through the large tin paste printing machine, the tin is applied to all the lamp bead pads and the external circuit part pads, then the SMT mounting of the circuit parts is realized through the large chip mounter, and finally the welding process of all the electronic parts is realized through the reflow soldering tunnel furnace.

[0038] The internal circuit layout of the photoelectric glass is as follows Figure 1 As shown, each functional block is designed reasonably and in compliance with the standard, and large-scale mass production is easy to realize; the scheme effectively controls the cost, and the overall cost will not be much higher than that of the ordinary glass guardrail; it is different from the ordinary traditional glass guardrail which has no additional functions except the conventional static glass guardrail; this kind of glass guardrail realizes the dynamic display function by implanting LED lamp beads in the middle of the laminated glass.

[0039] The above has exemplarily described the present application in combination with the drawings, and obviously, the specific implementation of the present application is not limited by the above manner, as long as the method concept and the technical scheme of the present application are adopted for this kind of non-essential improvement or the concept and the technical scheme of the present application are directly applied to other occasions without improvement, all of which are within the protection scope of the present application.

Claims

1. A glass-based circuit for a photoelectric glass railing, comprising a glass plate silver-based circuit, multiple LED beads, and an FPC flexible circuit board, wherein the multiple LED beads are disposed at multiple mounting positions of the glass plate silver-based circuit, characterized in that, The FPC flexible circuit board includes a first FPC flexible circuit board, a second FPC flexible circuit board, and a third FPC flexible circuit board. The first FPC flexible circuit board, the second FPC flexible circuit board, and the third FPC flexible circuit board are respectively connected to multiple LED beads, and the first FPC flexible circuit board, the second FPC flexible circuit board, and the third FPC flexible circuit board are cascaded.

2. The glass-based circuit of a photoelectric glass railing according to claim 1, characterized in that: The LED beads are packaged in a glass plate silver-based circuit using 45° elliptical pads.

3. The glass-based circuit of a photoelectric glass railing according to claim 2, characterized in that: The signals of the glass plate silver-based circuit are connected in series from the Din pin of the first LED bead in a single signal group to the Dout pin of the second LED bead, and so on, depending on the number of LED beads.

4. The glass-based circuit of a photoelectric glass railing according to claim 1, characterized in that: The silver-based circuit of the glass plate is a nano-silver-based circuit printed on the glass substrate. The LED beads are 45° LEDs packaged on 45° elliptical pads. The positive and negative wires of the top current sharing circuit are respectively connected to the positive and negative wires of the branch circuit of the single row of LED beads.

5. The glass-based circuit of a photoelectric glass railing according to claim 1, characterized in that, The positive and negative wires of the single-row LED lamp bead branch circuit are connected to the positive and negative wires of the top current sharing circuit through the top current sharing circuit jumper, which is a 1012 package 10A jumper.

6. The glass-based circuit of a photoelectric glass railing according to claim 1, characterized in that, The first FPC flexible circuit board is a strip-shaped FPC circuit board in the lower left corner, the second FPC flexible circuit board is a T-shaped FPC circuit board in the middle, and the third FPC flexible circuit board is a strip-shaped FPC circuit board in the lower right corner. The middle T-shaped FPC circuit board is connected to an external power supply and signal controller.

7. The glass-based circuit of a photoelectric glass railing according to claim 6, characterized in that, The lower left corner strip FPC circuit board is connected to the left positive power terminal of the middle T-shaped FPC circuit board; the lower left corner strip FPC circuit board is connected to the left negative power terminal of the middle T-shaped FPC circuit board; the lower right corner strip FPC circuit board is connected to the right positive power terminal of the middle T-shaped FPC circuit board; and the lower right corner strip FPC circuit board is connected to the right negative power terminal of the middle T-shaped FPC circuit board.

8. The glass-based circuit of a photoelectric glass railing according to claim 7, characterized in that, The first, second, and third FPC flexible circuit boards are connected by solder joints to form an overall closed-loop circuit. The overall closed-loop circuit includes two sets of LED Din signals. The Din signals of each set of LEDs are connected in series with 18 rows of LED beads in the vertical direction. Each row of LED beads has 52 LED beads. The two sets of LED Din signals control a total of 1872 LED beads.

9. The glass-based circuit of a photoelectric glass railing according to claim 8, characterized in that, The first LED in each LED matrix controlled by the Din signal has a 200-ohm 1206-packaged surface-mount current-limiting resistor connected in series at its Din pin. The last LED in each LED matrix has a 200-ohm 1206-packaged surface-mount bleeder connected in series between its Dout pin and the negative power supply terminal.

10. An application of a glass-based circuit in a photoelectric glass railing, characterized in that, The glass-based circuit of the photoelectric glass railing according to any one of claims 1-9 can be applied to the circuit of an ultra-large photoelectric glass railing of 800x1200mm.

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