CN206489839U - Intelligent evacuation Surface-mount LED lamp has - Google Patents
Intelligent evacuation Surface-mount LED lamp has Download PDFInfo
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- CN206489839U CN206489839U CN201720128675.3U CN201720128675U CN206489839U CN 206489839 U CN206489839 U CN 206489839U CN 201720128675 U CN201720128675 U CN 201720128675U CN 206489839 U CN206489839 U CN 206489839U
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Abstract
The utility model is related to a kind of intelligent evacuation Surface-mount LED lamp tool, including controller, seal in and go out circuit, line driver, row driver and LED paster modules, LED pasters module includes row route selection and column selection line；Controller connects line driver, controller connection row driver, line driver connection row route selection, row driver connection column selection line by sealing in and going out circuit.The LED dot array module used compared to tradition, LED paster module hardware configurations are relatively thin, and display resolution is higher.Therefore, by using LED paster modules, it is possible to decrease the overall thickness of intelligent evacuation Surface-mount LED lamp tool improves resolution ratio simultaneously, and display effect is good.
Description
Technical field
The utility model is related to display device technical field, more particularly to a kind of intelligent evacuation Surface-mount LED lamp tool.
Background technology
Intelligent evacuation Surface-mount LED lamp tool uses LED as luminescence component, available for the information such as display image, word, example
Such as, LED display curtain, or LED indicating lamp for emergency be may be used as.
Traditional intelligent evacuation Surface-mount LED lamp tool is generally used as luminescence component using LED dot array module.LED dot array module
Hardware configuration it is thicker, and display resolution is low so that traditional intelligent evacuation Surface-mount LED lamp tool is thick and heavy and display effect is poor.
Utility model content
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of reduction thickness and strengthening the intelligent evacuation LED of display effect
Paster light fixture.
A kind of intelligent evacuation Surface-mount LED lamp tool, including controller, seal in and go out circuit, line driver, row driver and
LED paster modules, the LED pasters module includes row route selection and column selection line；
The controller by it is described seal in and go out circuit connect the line driver, the controller connection row drive
Dynamic device, the line driver connects the row route selection, and the row driver connects the column selection line.
Above-mentioned intelligent evacuation Surface-mount LED lamp tool, controller connects line driver by sealing in and going out circuit, while controller
Row driver is connected, line driver and row driver connect row route selection and the column selection line of LED paster modules respectively, so that controller
Controllable line driver and row driver drive the row and column in LED paster modules respectively, realize that the driving of LED paster modules shows
Show；The LED dot array module used compared to tradition, LED paster module hardware configurations are relatively thin, and display resolution is higher.Therefore,
By using LED paster modules simultaneously, it is possible to decrease the overall thickness of intelligent evacuation Surface-mount LED lamp tool improves resolution ratio, display effect
It is really good.
Brief description of the drawings
Fig. 1 is the structure chart of intelligent evacuation Surface-mount LED lamp tool in an embodiment；
Fig. 2 is the local structural graph of LED paster modules in an embodiment；
Fig. 3 is the circuit theory diagrams of controller in an embodiment；
Fig. 4 is to seal in and go out circuit and the circuit theory diagrams of line driver in an embodiment；
Fig. 5 is the circuit theory diagrams of row driver in an embodiment.
Embodiment
With reference to Fig. 1, LED (light emitting diode) display device in an embodiment, including controller 110, seal in and go out electricity
Road 120, line driver 130, row driver 140 and LED pasters module 150, LED pasters module 150 include row route selection and column selection
Line.
Controller 110 connects line driver 130 by sealing in and going out circuit 120, and controller 110 connects row driver 140,
Line driver 130 connects row route selection, the connection column selection line of row driver 140.
LED pasters module 150 includes multiple lines and multiple rows LED, and with reference to Fig. 2, the common port with the LED of a line positive pole connection is made
For row route selection, the common port of the LED of same row negative pole connection is used as column selection line.It is appreciated that in other embodiments, LED
Paster module 150 can also be made up of the LED or multirow one of a line multiple row LED arranged.
Controller 110 is used to receive control after control instruction and exported to the number for sealing in and going out circuit 120 and row driver 140
According to, seal in and go out circuit 120 receive after serial data export parallel data to line driver 130, line driver 130 is received simultaneously
The bright of the LED in the row route selection of connection is controlled after row data or is gone out, row driver 140 is received after the data that controller 110 is sent
Control connects the bright of the LED on column selection line or gone out；Display so is driven to LED pasters module 150.
Above-mentioned intelligent evacuation Surface-mount LED lamp tool, controller 110 connects line driver 130 by sealing in and going out circuit 120,
The row driver 140 of the connection of controller 110 simultaneously, line driver 130 and row driver 140 connect LED pasters module 150 respectively
Row route selection and column selection line, so that controller 110 can control line driver 130 and row driver 140 drives LED paster modules respectively
Row and column in 150, realizes that the driving of LED pasters module 150 is shown；The LED dot array module used compared to tradition, LED patches
The hardware configuration of piece module 150 is relatively thin, and display resolution is higher.Therefore, by using LED pasters module 150, it is possible to decrease intelligence
The overall thickness of evacuation Surface-mount LED lamp tool improves resolution ratio simultaneously, and display effect is good.
In one embodiment, controller 110 includes STM8S207 chips.STM8S207 chips are high-performance microprocessor core
Piece, is controlled by using STM8S207 chips to sealing in and going out circuit 120 and row driver 140, and control efficiency is high.This reality
Apply in example, the packing forms of STM8S207 chips are TQFP (Thin Quad Flat Package, the thin flat envelope in plastic packaging corner
Dress) 44.It is appreciated that in other embodiments, controller 110 can also use other kinds of control device.
It is the circuit theory diagrams of controller 110 with reference to Fig. 3, including STM8S207 chips and peripheral circuit.Wherein, U1 is
STM8S207 chips.STM8S207 chips are sealed in by pin 595CLK, pin 595RE, pin 595DATA connections and go out circuit
120, pass through pin CLK, pin LE and pin DATA connections row driver 140.STM8S207 chips are according to the instruction received
Controlling switch level changes, so as to control to seal in and go out circuit 120 and row driver 140.
In one embodiment, seal in and go out circuit 120 and the quantity of line driver 130 is multiple, one seals in and goes out
Circuit 120 connects multiple line drivers 130.
For there is multiple row LED LED pasters module 150, there is a plurality of row route selection.Seal in by using multiple and go out circuit
120 and multiple line drivers 130, it is same seal in and go out circuit 120 connect multiple line drivers 130, same line driver
130 can connect one or more row route selection, so as to realize all row route selections for being connected respectively LED pasters module 150.
In the present embodiment, with reference to Fig. 4, one seals in and goes out circuit 120 and connects 4 line drivers 130, the driving of each row
Device 130 can connect one or two row route selections；Seal in using 3 altogether and go out circuit 120, then have 12 line drivers 130,
One of line driver 130 connects a row route selection, and remaining is all connected with two row route selections, so as to can drive LED paster moulds altogether
23 row LED of group 150.
In one embodiment, sealing in and going out circuit 120 includes sealing in and going out chip and filter capacitor, seals in and goes out chip company
Controller 110, the power access end of line driver 130 and first are connect, the connection of filter capacitor one end seals in and goes out chip, and the other end connects
Connect the first power access end.
First power access end is used to connect power supply, for sealing in and go out chip power supply.Filter capacitor is used to filter
Ripple.In the present embodiment, seal in and go out chip for 74HC595 chips.74HC595 chips are 8 bit shift registers, available for inputting
With 8 data of output, data process effects height.It is appreciated that in other embodiments, it can also be used by sealing in and going out chip
His model, such as 16 bit shift registers.
In the present embodiment, with reference to Fig. 4, the first power access end passes through port VDD5V connection power supplies.Seal in and go out electricity
Road 120 has 3, i.e., to that should have 3 to seal in and go out chip, respectively IC6, IC7, IC8, and filtered electrical has 3, respectively C2,
C1、C3；First filter capacitor C2 one end connects the first power access end, and the other end connects first and seals in and go out chip IC 6
Pin VSS；Second filter capacitor C1 one end connects the first power access end, and the other end connects second and seals in and go out chip
IC7 pin VSS；3rd filter capacitor C3 one end connects the first power access end, and the other end connects the 3rd and seals in and go out
The pin VSS of chip IC 8.Respectively seal in and go out the pin that the pin SH-CP of chip, pin ST-CP respectively connect controller 110
595CLK, pin 595RE；The pin 595DATA connections of controller 110 seal in and go out the pin DS of chip IC 6, seal in and go out core
Piece IC6 pin Q7 ' is sealed in by 595D2 connections and is gone out the pin DS of chip IC 7, and the pin Q7 ' for sealing in and going out chip IC 7 leads to
The pin DS that 595D3 connections seal in and go out chip IC 8 is crossed, the pin Q7 ' for sealing in and going out chip IC 8 can be connected down by 595D4
One seals in and goes out chip；Respectively seal in and go out chip by pin Q0-Q7 connections line driver 130.
In one embodiment, line driver 130 include line driving chip and protective resistance, driving chip connection row route selection and
Second source incoming end, and sealed in by protective resistance connection and go out circuit 120.
Second source incoming end is used to connect power supply, is powered to line driving chip.Line driving chip is used for the company of driving
The LED in row route selection connect, protective resistance is used for reducing the parasitic concussion for being connected to the circuit for sealing in and going out circuit 120, protection
Line driving chip is without damage, and reliability is high.Specifically, second source incoming end can be same with the first power access end
Port, for connecting same power supply.In the present embodiment, line driving chip is 4953 chips.It is appreciated that in other realities
Apply in example, line driving chip can also use other models.
In one embodiment, a line driving chip is sealed in by two protective resistance connections and goes out circuit 120, protection effect
It is really good.With reference to Fig. 4, in the present embodiment, one seals in and goes out correspondence 4 line drivers 130 of connection of circuit 120, that is, corresponds to connection 4
Individual line driving chip, respectively IC9-IC20；One line driving chip correspondence two protective resistance of connection；Specifically, first
Line driving chip IC9 passes through first protective resistance R1 and the pin of second protective resistance R2 connection 74HC595 chip respectively
Q7 and Q6, passes through the 8th article and the 7th article of row route selection of port LED_ROW8 and LED_ROW7 connection LED pasters module 150 respectively；
Second line driving chip IC10 connects 74HC595 chips respectively by the 3rd protective resistance R3 and the 4th protective resistance R4
Pin Q5 and Q4, connect the 6th article and the 5th article of row of LED pasters module 150 respectively by port LED_ROW6 and LED_ROW5
Route selection；Connection so is corresponding in turn to, the 12nd line driving chip IC20 passes through the 23rd protective resistance R36 and the 24th
The pin Q1 and Q0 of individual protective resistance R37 connections 74HC595 chips, pass through port LED_ROW18 and LED_ROW17 connection LED
The 18th article of paster module 150 and the 17th article of row route selection.
In one embodiment, with reference to Fig. 5, row driver 140 includes data wire DATA, clock line CLK, enables control line LE
With multiple row drive modules 141, multiple row drive modules 141 are sequentially connected in series by data wire DATA, and concatenation after one end row
Drive module 141 is by data wire DATA connections controller 110, and each row drive module 141 by clock line CLK and enables control
Line LE connections controller 110 processed, each row drive module 141 is all connected with column selection line.
One row drive module 141, which can be corresponded to, connects a plurality of column selection line, so as to drive multiple row LED.In the present embodiment, one
Row driver 140 includes 4 row drive modules 141, and each row drive module 141 respectively connects 16 column selection lines, therefore altogether may be used
Drive 64 row LED of LED pasters module 150.
In one embodiment, row drive module 141 includes row driving chip, first resistor, second resistance and electric capacity, and row drive
Dynamic chip connection data wire DATA, enable control line LE and column selection line；First resistor one end connects row driving chip, another termination
Ground, second resistance and electric capacity series connection, and common port connection row driving chip, the second resistance other end connect the 3rd plant-grid connection
End, electric capacity other end ground connection.
3rd power access end is used to connect power supply, is powered to row driving chip.Row driving chip is used for the company of driving
The LED on column selection line connect, first resistor is used for the electric current for the row driving chip pin output for controlling connection, so as to control driving
LED display brightness；Electric capacity is used to filter；Second resistance is used for current limliting, and protection row driving chip is not damaged by.By using row
The row drive module 141 that driving chip, first resistor, second resistance and electric capacity are constituted, reliability is high.Specifically, the 3rd power supply
Incoming end and the first power access end, second source incoming end can be same port, for connecting same power supply.
In the present embodiment, row driving chip is SCT2024 chips.It is appreciated that in other embodiments, row driving chip can also be adopted
Use other models.
In one embodiment, please continue to refer to Fig. 5, row driver 140 also includes 3rd resistor R11 and the 4th resistance R12,
3rd resistor R11 one end is by enabling control line LE connections controller 110, other end ground connection；4th resistance R12 one end by when
Clock line CLK connections controller 110, other end ground connection.
Enable control line LE and clock line CLK is connected respectively by using 3rd resistor R11 and the 4th resistance R12, can be with
For anti-interference, the stable level signal for enabling control line LE and clock line CLK, so as to improve the reliable of row drive module 141
Property.
Please continue to refer to Fig. 5,4 row drive modules 141 i.e. to that should have 4 row driving chips, respectively IC1, IC2,
IC3、IC4；Each row driving chip connects clock line CLK by pin 3, enables control line LE by the connection of pin 4, leads to
Cross pin 5-20 and connect 16 column selection lines respectively.In multiple row driving chips of concatenation, first row driving chip IC4 pin
2, by data wire DATA connections controller 110, latter row driving chip IC3 are connected by pin 22, adjacent column driving chip
The pin SDI of the latter row driving chip of pin SDO connections of previous column driving chip, is so sequentially connected in series.Each row driving chip
First resistor, such as with reference to Fig. 5, first row driving chip IC4 first first resistor of connection are connected by pin 23
R20, second row driving chip IC3 connection second first resistor R18, the 3rd row driving chip IC2 connect the 3rd
One resistance R16, the 4th row driving chip IC1 connects the 4th first resistor R14；Each row driving chip is connected by pin 24
Connect second resistance and electric capacity, such as with reference to Fig. 5, first first first resistor R21 of row driving chip IC4 connections and electric capacity.
In the present embodiment, row drive module 141 is also grounded by the common port of data wire DATA connections controller 110 by resistance R13.
In one embodiment, the course of work of intelligent evacuation Surface-mount LED lamp tool is：Close whole LED pasters module
150,24 data 1 are sealed in into 3 74HC595 chips, STM8S207 chip controls port 595RE signal triggering, then
The respective pins of 74HC595 chips control the output of 4953 chip Close Alls, and intelligent evacuation Surface-mount LED lamp tool closes output.
The first row display data is output in SCT2024 chips, SCT2024 chips is triggered, low and high level is output to LED paster moulds
In the column selection line of group 150.The driving for opening the first row is shown, by 24 data, 0,111 1,111 1,111 1,111 1,111 1111
It is output in 74HC595 chips, port 595RE signal triggering, then 4953 chips of the first row will be opened, to the first row
LED carries out power supply supply, is so achieved that the data display of the first row.Shown with the timesharing that this circulates achievable 24 row,
When scan frequency reaches 50Hz (hertz), whole intelligent evacuation Surface-mount LED lamp tool can be achieved with display, without being examined by human eye
Feel.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of intelligent evacuation Surface-mount LED lamp tool, it is characterised in that including controller, seal in and go out circuit, line driver, row
Driver and LED paster modules, the LED pasters module include row route selection and column selection line；
The controller by it is described seal in and go out circuit connect the line driver, the controller connection row driving
Device, the line driver connects the row route selection, and the row driver connects the column selection line.
2. intelligent evacuation Surface-mount LED lamp according to claim 1 tool, it is characterised in that it is described seal in and go out circuit include
Seal in and go out chip and filter capacitor, it is described to seal in and go out the chip connection controller, the line driver and the first power supply
Incoming end, the connection of described filter capacitor one end is described to be sealed in and goes out chip, other end connection first power access end.
3. intelligent evacuation Surface-mount LED lamp according to claim 2 tool, it is characterised in that it is described seal in and go out chip be
74HC595 chips.
4. intelligent evacuation Surface-mount LED lamp tool according to claim 1, it is characterised in that the line driver includes row and driven
Dynamic chip and protective resistance, the driving chip connect the row route selection and second source incoming end, and pass through the protection electricity
Sealed in described in resistance connection and go out circuit.
5. intelligent evacuation Surface-mount LED lamp tool according to claim 4, it is characterised in that the line driving chip is 4953
Chip.
6. intelligent evacuation Surface-mount LED lamp tool according to claim 1, it is characterised in that described to seal in and go out circuit and institute
The quantity for stating line driver is multiple, and one seals in and goes out circuit and connects multiple line drivers.
7. intelligent evacuation Surface-mount LED lamp tool according to claim 1, it is characterised in that the row driver includes data
Line, clock line, enable control line and multiple row drive modules, multiple row drive modules are sequentially connected in series by the data wire, and
The row drive module of one end connects the controller by the data wire after concatenation, and each row drive module passes through the clock
Line and the enable control line connect the controller, and each row drive module is all connected with the column selection line.
8. intelligent evacuation Surface-mount LED lamp tool according to claim 7, it is characterised in that the row drive module includes row
Driving chip, first resistor, second resistance and electric capacity, the row driving chip connect the data wire, the enable control line
With the column selection line, described first resistor one end connects the row driving chip, other end ground connection, the second resistance and described
Electric capacity is connected, and common port connects the row driving chip, and the second resistance other end connects the 3rd power access end, described
The electric capacity other end is grounded.
9. intelligent evacuation Surface-mount LED lamp according to claim 7 tool, it is characterised in that the row driver also includes the
Three resistance and the 4th resistance, described 3rd resistor one end connect the controller by the enable control line, and the other end is grounded,
Described 4th resistance one end connects the controller, other end ground connection by the clock line.
10. intelligent evacuation Surface-mount LED lamp tool according to claim 1, it is characterised in that the controller includes
STM8S207 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720128675.3U CN206489839U (en) | 2017-02-13 | 2017-02-13 | Intelligent evacuation Surface-mount LED lamp has |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720128675.3U CN206489839U (en) | 2017-02-13 | 2017-02-13 | Intelligent evacuation Surface-mount LED lamp has |
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| CN206489839U true CN206489839U (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720128675.3U Active CN206489839U (en) | 2017-02-13 | 2017-02-13 | Intelligent evacuation Surface-mount LED lamp has |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410830A (en) * | 2018-12-21 | 2019-03-01 | 深圳市羽微电子有限公司 | A kind of LED display driving circuit |
-
2017
- 2017-02-13 CN CN201720128675.3U patent/CN206489839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410830A (en) * | 2018-12-21 | 2019-03-01 | 深圳市羽微电子有限公司 | A kind of LED display driving circuit |
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