CN207625831U - A kind of light-adjusting module of automatic identification LED light - Google Patents
A kind of light-adjusting module of automatic identification LED light Download PDFInfo
- Publication number
- CN207625831U CN207625831U CN201721377402.9U CN201721377402U CN207625831U CN 207625831 U CN207625831 U CN 207625831U CN 201721377402 U CN201721377402 U CN 201721377402U CN 207625831 U CN207625831 U CN 207625831U
- Authority
- CN
- China
- Prior art keywords
- led light
- pull
- port
- resistor
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of light-adjusting module of automatic identification LED light, light-adjusting module includes internal equivalent circuit and external load circuit；Internal equivalent circuit includes a MCU, and several equivalent resistances, MCU is provided with several and one-to-one GPIO port of equivalent resistance, each GPIO port is grounded by matched equivalent resistance, internal equivalent circuit is additionally provided with several and one-to-one I/O port of external load circuit, each GPIO port is electrically connected by an I/O port with an external load circuit.Each external load circuit of this module is connect with one group of LED lamp drive circuit.The utility model is by being arranged internal equivalent circuit and external pull-up resistor, the voltage of internal equivalent circuit is drawn high by external load circuit, MCU is set to recognize high voltage, MCU identifies the LED light being connect with its each GPIO port in turn, one LED drive module can control a variety of different classes of LED light, the versatility of LED light control technology is improved, it is cost-effective.
Description
Technical field
The utility model is related to the LED field more particularly to a kind of light-adjusting modules of automatic identification LED light.
Background technology
In the prior art, general LED illumination control technology, usually same lamp control technology correspond to one kind in the market
The lamp of type, for example, monochromatic burner control technology is only applied to monochromatic burner, bi-colour light control technology is only applied to bi-colour light, tri coloured lantern control
Technology is only applied to tri coloured lantern, and four colored lights control technologies are only applied to four colored lights, and five colored lights control technologies are only applied to five colored lights.This
Sample needs to carry out the even hardware customization of individual software, simultaneously, it is also desirable to individually for the demand of different classes of LED light
Product is provided, and cannot be obscured each other, the workload of production and later maintenance is considerably increased.
Therefore, the prior art is defective, needs to improve.
Invention content
Technical problem to be solved in the utility model is：One kind is provided and is easy into production, low cost, compatible different classes of
The light-adjusting module of the automatic identification LED light of LED light.
The technical solution of the utility model is as follows：A kind of light-adjusting module of automatic identification LED light, for identification different type
LED light, including the inside equivalent circuit of LED light and several for by the unstable electricity of internal equivalent circuit for identification
Pressure pull-up is the external load circuit of high level；The internal equivalent circuit includes the MCU of a high level for identification, and
Several internal equivalent resistances, the MCU is provided with several and one-to-one GPIO port of internal equivalent resistance, described each
GPIO port is grounded by matched internal equivalent resistance, and the internal equivalent circuit is additionally provided with several and external load circuit
One-to-one I/O port, each GPIO port are electrically connected by an I/O port with an external load circuit, each
External load circuit is electrically connected with a LED light.
Using above-mentioned technical proposal, in the light-adjusting module of the automatic identification LED light, each external load circuit packet
Include a pull-up resistor and a port VCC, the first end of the pull-up resistor is electrically connected with I/O port and LED light, it is described on
The second end of pull-up resistor is electrically connected with the ports VCC.
Using above-mentioned each technical solution, in the light-adjusting module of the automatic identification LED light, GPIO port is five,
Respectively GPIO1, GPIO2, GPIO3, GPIO4, GPIO5.
Using above-mentioned each technical solution, in the light-adjusting module of the automatic identification LED light, I/O port is five, point
It Wei not IO1, IO2, IO3, IO4, IO5.
Using above-mentioned each technical solution, in the light-adjusting module of the automatic identification LED light, internal equivalent resistance is five
It is a, respectively the first inside equivalent resistance, the second inside equivalent resistance, third inside equivalent resistance, the 4th inside equivalent resistance
And the 5th inside equivalent resistance.
Using above-mentioned each technical solution, in the light-adjusting module of the automatic identification LED light, external load circuit five
A, the pull-up resistor of five external load circuits is respectively the first pull-up resistor, the second pull-up resistor, third pull-up resistor,
Four pull-up resistors and the 5th pull-up resistor.
Using above-mentioned each technical solution, in the light-adjusting module of the automatic identification LED light, the type of LED light is five
Kind, respectively monochromatic burner, bi-colour light, tri coloured lantern, four colored lights and five colored lights.
Using above-mentioned each technical solution, the utility model by the way that internal equivalent circuit and external pull-up resistor is arranged, by
External load circuit draws high the voltage of internal equivalent circuit, so that the MCU of internal equivalent circuit is recognized high voltage, MCU is in turn
Identify that the LED light being connect with its each GPIO port, an internal equivalent circuit can control a variety of different classes of LED
Lamp improves the versatility of LED light control technology, cost-effective.
Description of the drawings
Fig. 1 is the electrical block diagram of the utility model embodiment 1；
Fig. 2 is the identification LED light flow chart of the utility model embodiment 1；
Fig. 3 is the electrical block diagram of the utility model embodiment 2.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1 provides a kind of light-adjusting module of automatic identification LED light such as Fig. 1, can be used for identifying inhomogeneity
The LED light of type, light-adjusting module include the inside equivalent circuit 101 of LED light for identification and several for by internal equivalent electricity
The unstable constant voltage pull-up on road 101 is the external load circuit 102 of high level；The internal equivalent circuit 101 includes a use
The MCU103 and several internal equivalent resistances, the MCU103 of identification high level are provided with several and internal equivalent resistance
One-to-one GPIO port, each GPIO port are grounded by matched internal equivalent resistance, the equivalent electricity in inside
Road 101 is additionally provided with several and 102 one-to-one I/O port of external load circuit, each GPIO port passes through an end IO
Mouth is electrically connected with an external load circuit 102, each external load circuit 102 is electrically connected with a LED light.
In the present embodiment, as shown in Figure 1, the different type LED light for identification of internal equivalent circuit 101, when internal equivalent
When having load outside circuit 101, i.e., when LED light accesses, external load circuit 102 is unstable by internal equivalent circuit 101
Voltage pull-up is high level.Internal equivalent circuit 101 includes a MCU103, and MCU103 is provided with several GPIO ports, MCU103
High level for identification.Internal equivalent circuit 101 further includes having several internal equivalent resistances, internal equivalent resistance and GPIO port
It corresponds, i.e., each GPIO port passes through an internal equivalent resistance ground connection.Internal equivalent circuit 101 is additionally provided with simultaneously
Several I/O ports, internal equivalent circuit 101 is connect by I/O port with external load circuit 102, and an external load circuit
There are one LED light for 102 connections.
As shown in Fig. 2, the identification control flow of MCU103 is as follows：
A, all I/O ports are first respectively set to input state, wherein input state sets high level as 1, low electricity
It is 0 to put down, and is encoded to each LED light, and the corresponding a type of LED light of a coding, MCU103 identifies that a coding is
Identify a kind of LED light.
B, the input state that each I/O port is read by MCU103, when LED light does not start, outside does not load,
I.e. the voltage of I/O port is low level, and MCU103 cannot identify low level at this time, and entire internal equivalent circuit 101 is in standby shape
State.When LED light starts, there is load in outside, and external load circuit 102 plays a role at this time, by the unstable low electricity of I/O port
Pressure is pulled up to high voltage, and MCU103 identifies high level at this time, and entire internal equivalent circuit 101 is in running order.
C, at this point, setting all I/O ports to output state of a control again, while a default value is set.
D, the software inside MCU103 carries out brightness adjustment control to the LED light of each I/O port, that is, control LED light brightness and
The color of light.
Further, such as Fig. 1, each external load circuit 102 includes a pull-up resistor and a port VCC, institute
The first end for stating pull-up resistor is electrically connected with I/O port and LED light, and LED light is electrically connected with I/O port, and the of the pull-up resistor
Two ends are electrically connected with the ports VCC.The quantity of external load circuit 102 is wanted to match with the GPIO port quantity of MCU103.Embodiment 1
In external load circuit be five, each GPIO port respectively correspond to an external load circuit.
Further, such as Fig. 1, GPIO port is five, respectively GPIO1, GPIO2, GPIO3, GPIO4, GPIO5.
Certainly, the quantity of GPIO port does not do any restrictions in embodiment 1, and GPIO port could be provided as two, three or four
It is a.The quantity of GPIO port is set according only to actual conditions, and the embodiment that five GPIO ports are only best is arranged.
Further, I/O port is five, respectively IO1, IO2, IO3, IO4, IO5.Equally, the quantity of I/O port exists
Any restrictions are not done in embodiment 1, I/O port is consistent with GPIO port quantity, that is, an I/O port corresponds to a GPIO port.
The embodiment that five I/O ports are only best is arranged according to the quantity set of GPIO port in the quantity of I/O port.
Further, such as Fig. 1, internal equivalent resistance is five, respectively the first inside equivalent resistance R1, inside second
Equivalent resistance R3, the 4th inside equivalent resistance R4 and the 5th inside equivalent resistance R5 inside equivalent resistance R2, third.It needs
Bright, connection type of the inside equivalent resistance in light-adjusting module in embodiment 1 should not be taken to limit the utility model.
Because internal equivalent resistance is directly arranged inside MCU103, internal equivalent resistance connection side in embodiment 1 can also be reached
The same effect of formula.
Further, such as Fig. 1, external load circuit 102 is five, the pull-up resistor difference of five external load circuits
For the first pull-up resistor R11, the second pull-up resistor R21, third pull-up resistor R31, the pull-up of the 4th pull-up resistor R41 and the 5th
Resistance R51.
First pull-up resistor R11 first ends are electrically connected with the ports IO1 and LED1 simultaneously, the first pull-up resistor R11 second ends
It is electrically connected with the ports VCC；Second pull-up resistor R21 first ends are electrically connected with the ports IO2 and LED2 simultaneously, the second pull-up resistor
R21 second ends are electrically connected with the ports VCC；Third pull-up resistor R31 first ends are electrically connected with the ports IO3 and LED3 simultaneously, third
Pull-up resistor R31 second ends are electrically connected with the ports VCC；4th pull-up resistor R41 is electrically connected with the ports IO4 and LED4 simultaneously, the
Four pull-up resistor R41 second ends are electrically connected with the ports VCC；5th pull-up resistor R51 first ends simultaneously with the ports IO5 and the ends VCC
Mouth electrical connection.
The present embodiment illustrates the pull-up of external load circuit by taking the ports IO1 as an example.Define the input voltage of GPIO1
For V0, since the corresponding ports IO1 MCU103 are under input state, it is assumed that internal resistance approach infinity, and I/O port its
He is close to zero 102 voltage of external load circuit, then the voltage of GPIO1 is：
Formula one：
For most of MCU103, when the GPIO port of MCU103 is under input state, it is only necessary to meet V0>0.7·
VIO can be identified as high level by what V0 stablized.
Therefore formula one can be changed to formula two：
By transformation, formula three can be obtained：
Or：R1:R11>7:3
In actual product, R1 is selected:R11 ＞ ＞ 7:3, so that product is more stablized.
In embodiment 1, it is to be set as the Europe 47K~1M by the inside equivalent resistance value range in internal equivalent circuit 101
Nurse, representative value are 470K ohm；The pull-up resistor value range of external equivalent circuit is set as 4.7K~100K ohm, allusion quotation
Offset is 10K ohm.Certainly, the value range of internal equivalent resistance and pull-up resistor setting, and internal equivalent resistance and pull-up
The representative value of resistance shall not be used for limiting the utility model, above range value and representative value according only to actual conditions and
It is fixed.The representative value of internal equivalent resistance and pull-up resistor only needs to meet above-mentioned the separate equations, meanwhile, meet R1:R11>
7:3 condition.
Further, the type of LED light is five kinds, respectively monochromatic burner, bi-colour light, tri coloured lantern, four colored lights and five
Colored lights.
Embodiment 2 provides a kind of using 302 actuation voltage of external load circuit, the identification of internal equivalent circuit 301 such as Fig. 3
LED light, external load circuit 302 and internal equivalent circuit 301 are as shown in 3 figures.In internal equivalent circuit 301, each GPIO
All there are one equivalent resistances to access VCC for port.When outside does not load, internal equivalent resistance makes each GPIO port be in steady
Fixed high level state, at this point, MCU303 cannot identify high level.When there is load in outside, the drop-down electricity of external load circuit
The voltage drop-down of GPIO port is low-voltage by resistance, at this point, MCU303 can steadily identify low level.
Such as Fig. 3, by taking GPIO6 as an example, the input voltage for defining GPIO6 is V1, and the corresponding ports IO6 MCU303 are in input shape
Under state, it is assumed that internal resistance approach infinity, and the other load circuits of I/O port are close to zero, then the voltage of GPIO6 is：
Formula four：
For most of MCU, when the GPIO port of MCU303 is under input state, it is only necessary to meet V1<0.3VIO, i.e.,
It can be identified as low level by what V1 stablized.
Therefore formula four can be changed to formula five：
By transformation, formula six can be obtained：
Or：R6:R61>7:3
In actual product, R6 is selected:R61 ＞ ＞ 7:3, so that product is more stablized.
Therefore, formula six is identical with the result of formula three, i.e., the equivalent electricity in inside in the present embodiment in internal equivalent circuit
It is 47K~1M ohm to hinder value range also, and representative value is 470K ohm；The pull down resistor value range of external equivalent circuit is also
4.7K~100K ohm, representative value is 10K ohm.The value range of inside equivalent resistance and pull down resistor in the present embodiment and
Its representative value is reference value, and value range and representative value can be other data values, as long as meeting formula four, formula five and public affairs
Formula six can, meanwhile, meet R6:R61>7:3 condition.Likewise, similar to Example 1, the inside etc. in the present embodiment
The value range and representative value of effect resistance and pull down resistor also should not be taken to limit the utility model, according only to actual conditions
It is fixed.
LED light identification process in embodiment 2 is consistent with the LED light identification process in embodiment 1.Certainly, in this practicality
In two novel embodiments, GPIO port and I/O port should not be limited to five, can be only used according to actual conditions
Two, three either four corresponding I/O ports of GPIO port also be two, three or four GPIO ports.Namely
The quantity of GPIO port and I/O port, according to the type set of external LED lamp.Need the LED light identified be two kinds when, the ends GPIO
The quantity of mouth and I/O port is two.When to need the LED light identified be three kinds, the quantity of GPIO port and I/O port is three.
When to need the LED light identified be four kinds, the quantity of GPIO port and I/O port is four.
Using above-mentioned each technical solution, the utility model by the way that internal equivalent circuit and external load circuit is arranged, by
External load circuit draws high the voltage of internal equivalent circuit, so that the MCU of internal equivalent circuit is recognized high voltage, MCU is in turn
The LED light being connect with its each GPIO port is controlled, an internal equivalent circuit is the LED light that can control multiple and different classifications,
The versatility of LED light control technology is improved, it is cost-effective.
Cited principle, wiring diagram, interface definition, data definition and expression way, operation are public in the utility model
Formula, word instruction etc. are only a kind of typical reference mode, and the interest field that the utility model is advocated should not be so limited,
All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in this reality
Within novel protection domain.
Claims (7)
1. a kind of light-adjusting module of automatic identification LED light, different types of LED light for identification, it is characterised in that：Including being used for
Identify the inside equivalent circuit of LED light and several for being high level by the unstable constant voltage of internal equivalent circuit pull-up
External load circuit；The internal equivalent circuit includes the MCU of a high level for identification, and the equivalent electricity in several inside
Resistance, the MCU are provided with several and one-to-one GPIO port of internal equivalent resistance, and each GPIO port passes through matching
Inside equivalent resistance ground connection, the internal equivalent circuit is additionally provided with several with the one-to-one ends IO of external load circuit
Mouthful, each GPIO port is electrically connected by an I/O port with an external load circuit, each external load circuit and
One LED light electrical connection.
2. the light-adjusting module of automatic identification LED light according to claim 1, it is characterised in that：Each described outside is negative
It includes a pull-up resistor and a port VCC to carry circuit, and first end and the I/O port and LED light of the pull-up resistor are electrically connected
It connects, the second end of the pull-up resistor is electrically connected with the ports VCC.
3. the light-adjusting module of automatic identification LED light according to claim 1, it is characterised in that：The GPIO port is five
It is a, respectively GPIO1, GPIO2, GPIO3, GPIO4, GPIO5.
4. the light-adjusting module of automatic identification LED light according to claim 1, it is characterised in that：The I/O port is five,
Respectively IO1, IO2, IO3, IO4, IO5.
5. the light-adjusting module of automatic identification LED light according to claim 1, it is characterised in that：The internal equivalent resistance
It it is five, respectively the first inside equivalent resistance, the second inside equivalent resistance, third inside equivalent resistance, the 4th inside are equivalent
Resistance and the 5th inside equivalent resistance.
6. the light-adjusting module of automatic identification LED light according to claim 2, it is characterised in that：The pull-up resistor is five
A, the pull-up resistor of five external load circuits is respectively the first pull-up resistor, the second pull-up resistor, third pull-up resistor,
Four pull-up resistors and the 5th pull-up resistor.
7. the light-adjusting module of automatic identification LED light according to claim 1, it is characterised in that：The type of the LED light is
Five kinds, respectively monochromatic burner, bi-colour light, tri coloured lantern, four colored lights and five colored lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377402.9U CN207625831U (en) | 2017-10-24 | 2017-10-24 | A kind of light-adjusting module of automatic identification LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377402.9U CN207625831U (en) | 2017-10-24 | 2017-10-24 | A kind of light-adjusting module of automatic identification LED light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207625831U true CN207625831U (en) | 2018-07-17 |
Family
ID=62826580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721377402.9U Expired - Fee Related CN207625831U (en) | 2017-10-24 | 2017-10-24 | A kind of light-adjusting module of automatic identification LED light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207625831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163573A (en) * | 2019-12-27 | 2020-05-15 | 上海力申科学仪器有限公司 | System and method for intelligently identifying lamp holder of multichannel shadowless lamp |
| CN113709933A (en) * | 2021-08-26 | 2021-11-26 | 生迪智慧科技有限公司 | LED lamp strip light-emitting control method and LED lamp strip controller |
-
2017
- 2017-10-24 CN CN201721377402.9U patent/CN207625831U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163573A (en) * | 2019-12-27 | 2020-05-15 | 上海力申科学仪器有限公司 | System and method for intelligently identifying lamp holder of multichannel shadowless lamp |
| CN113709933A (en) * | 2021-08-26 | 2021-11-26 | 生迪智慧科技有限公司 | LED lamp strip light-emitting control method and LED lamp strip controller |
| CN113709933B (en) * | 2021-08-26 | 2023-09-19 | 生迪智慧科技有限公司 | LED lamp strip light-emitting control method and LED lamp strip controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101524013B1 (en) | Methods and apparatus for simulating resistive loads | |
| CN207625831U (en) | A kind of light-adjusting module of automatic identification LED light | |
| CN105206228B (en) | The LED scanning arrays driving chip and adjusting method that brightness linear change is voluntarily adjusted | |
| CN105848356B (en) | A kind of versicolor control method of tri coloured lantern | |
| CN104883789B (en) | For the constant-current control circuit of LED display and the display device | |
| CN108282918A (en) | RGB synchronous intelligent flexible lighting products | |
| CN202889719U (en) | LED light fixture | |
| CN203162644U (en) | LED intelligent lighting device | |
| CN104540288B (en) | LED drive device with self-checking function | |
| CN106686832B (en) | A kind of diode control circuit and switching power circuit | |
| CN112954845A (en) | LED dimming control circuit, method, chip and lighting device | |
| CN106251791A (en) | A kind of LED dynamic advertisement lamp box lamp bar | |
| CN204634104U (en) | A kind of three function LED drive circuits | |
| CN207070403U (en) | DOB circuit of light sources, light source module group and the LED lamp of adjustable color temperature | |
| CN109302777A (en) | LED dimming device and light adjusting system | |
| CN106664780B (en) | Module driver and driving method | |
| CN205754934U (en) | A kind of LED lamp with USB interface string control system | |
| CN209949493U (en) | Circuit suitable for high efficiency is realized mixing of colors temperature and is transferred color | |
| CN205427087U (en) | Cable tester | |
| CN208754580U (en) | A kind of linear constant current driving chip and multi-chip parallel connection LED illumination driving circuit | |
| CN107975689A (en) | A kind of LED filament lamp of variable color-temperature | |
| CN204795790U (en) | LED constant -current drive circuit of luminance / colour temperature is adjusted in segmentation | |
| CN205956799U (en) | Conformability LED light source | |
| CN207911074U (en) | RGB synchronous intelligent flexible lighting products | |
| WO2018000151A1 (en) | Intelligent lamp sound control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20191024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |