CN205921578U - Digit addressable illumination interface DALI's level translation circuit - Google Patents
Digit addressable illumination interface DALI's level translation circuit Download PDFInfo
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- CN205921578U CN205921578U CN201620712559.1U CN201620712559U CN205921578U CN 205921578 U CN205921578 U CN 205921578U CN 201620712559 U CN201620712559 U CN 201620712559U CN 205921578 U CN205921578 U CN 205921578U
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Abstract
The utility model discloses a digit addressable illumination interface DALI's level translation circuit, including sending module, receiving module, sending module includes first opto -coupler, first triode, first resistance, second resistance, third resistance, fourth resistance, first electric capacity, first diode, receiving module includes second opto -coupler, the 5th resistance, the 6th resistance, zener diode, mains voltage is connected to first opto -coupler U5's first port, and the second port passes through third ohmic connection input level, and the first end of first resistance is connected to the third port, and the positive pole of first electric capacity, the negative pole of first diode are connected respectively to the fourth port, the first end of the 5th resistance is connected to the first port of second opto -coupler, and zener diode's negative pole is connected to the second port. The utility model provides a level translation circuit, but reduce cost improve stability.
Description
Technical field
This utility model belongs to electronic circuit technology field, is related to a kind of level-conversion circuit, more particularly, to a kind of numeral
The level-conversion circuit of addressable lighting interface dali.
Background technology
Existing level-conversion circuit majority has used multiple audions to add what optocoupler was built, creates more power consumptions, by
Operating characteristic in audion also creates impact to emi.
In view of this, nowadays in the urgent need to designing a kind of new level-conversion circuit, to overcome existing level translation electricity
The drawbacks described above that road exists.
Utility model content
Technical problem to be solved in the utility model is: provides a kind of level of digital addressable lighting interface dali to become
Change circuit, it is possible to decrease cost, improve stability.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of level-conversion circuit of digital addressable lighting interface dali, described level-conversion circuit includes: sends mould
Block, receiver module；
Described sending module includes: the first optocoupler u5, the first audion q206, first resistor r220, second resistance r221,
3rd resistor r218, the 4th resistance r222, the first electric capacity c11, the first diode d13；
Described receiver module includes: the second optocoupler u4, the 5th resistance r233, the 6th resistance r234, Zener diode d17；
The first port of described first optocoupler u5 connects supply voltage vcc_mcu, and second port passes through 3rd resistor r218
Connect incoming level dali_tx, the 3rd port connects the first end of first resistor r220, and the 4th port connects the first electric capacity respectively
The positive pole of c11, the negative pole of the first diode d13；
Second end of described first resistor r220 connects the first end of second resistance r221, the first audion q206 respectively
Base stage, the second end of second resistance r221 connects the negative pole of the first electric capacity c11, the emitter stage of the first audion q206, voltage stabilizing two
The positive pole of pole pipe d17；The colelctor electrode of the first audion q206 connects the first end of the 4th resistance r222；The of 4th resistance r222
Two-stage nitration connects the positive pole of the first diode d13, second end of the 5th resistance r233, the 3rd port of rectifier bridge d9 respectively；
The first port of described second optocoupler u4 connects the first end of the 5th resistance r233, and second port connects voltage stabilizing two pole
The negative pole of pipe d17, the 3rd port connects the first end of the 6th resistance r234, meets dali_rx simultaneously, and the 4th port meets vcc_mcu；The
The second port ground connection of six resistance r234.
As a kind of preferred version of the present utility model, level translation process includes: when dali_tx is low level,
The sending module coordinating the first light idol u5 accesses dali bus, meets dali electrical standard to low level requirement；Work as dali_tx
High level when, cooperation first light idol u5 sending module access dali bus, meet dali electrical standard and high level wanted
Ask, first resistor r220 and the first audion q206 are less than 250ma guaranteeing the static current of lcd in dali bus, simultaneously first
The parameter of audion q206 selects to require dc gain to be more than 100db, is radiated for the first audion q206 by heat-sink unit simultaneously；
Described receiver module triggers dali_rx low level in bus low level, and during bus high level, triggering dali_rx is high
Level, Zener diode d17 ensures that bus ensures the second optocoupler u4 not in the minimum high level voltage that not up to standard requires
Driven.
As a kind of preferred version of the present utility model, described level-conversion circuit also includes rectification circuit, described rectification
Circuit includes rectifier bridge；
The colelctor electrode of described first audion q206 passes through the 3rd port that the 4th resistance r222 connects rectifier bridge.
The beneficial effects of the utility model are: the utility model proposes digital addressable lighting interface dali level
Translation circuit, it is possible to decrease cost, improves stability, can effectively reduce power consumption, reduces emi.
The multiple audions of conventional circuit, create more power consumptions；Simultaneously because the characteristic of optocoupler, serve electricity
Air bound from effect it is suppressed that interfering with each other between equipment is spread with fault, increased the safety and reliability of system；With
When this circuit service life can be longer.
Brief description
Fig. 1 is the circuit diagram of the level-conversion circuit of this utility model dali.
Specific embodiment
Describe preferred embodiment of the present utility model below in conjunction with the accompanying drawings in detail.
Embodiment one
Refer to Fig. 1, this utility model discloses a kind of level-conversion circuit of digital addressable lighting interface dali, institute
State level-conversion circuit to include: sending module 2, receiver module 1, rectification circuit.
Described sending module 2 includes: the first optocoupler u5, the first audion q206, first resistor r220, second resistance
R221,3rd resistor r218, the 4th resistance r222, the first electric capacity c11, the first diode d13.Described receiver module 1 includes: the
Two optocoupler u4, the 5th resistance r233, the 6th resistance r234, Zener diode d17.Described rectification circuit includes rectifier bridge.
The first port of described first optocoupler u5 connects supply voltage vcc_mcu, and second port passes through 3rd resistor r218
Connect incoming level dali_tx, the 3rd port connects the first end of first resistor r220, and the 4th port connects the first electric capacity respectively
The positive pole of c11, the negative pole of the first diode d13.
Second end of described first resistor r220 connects the first end of second resistance r221, the first audion q206 respectively
Base stage, the second end of second resistance r221 connects the negative pole of the first electric capacity c11, the emitter stage of the first audion q206, voltage stabilizing two
The positive pole of pole pipe d17；The colelctor electrode of the first audion q206 connects the first end of the 4th resistance r222；The of 4th resistance r222
Two-stage nitration connects the positive pole of the first diode d13, second end of the 5th resistance r233, the 3rd port of rectifier bridge d9 respectively.
The first port of described second optocoupler u4 connects the first end of the 5th resistance r233, and second port connects voltage stabilizing two pole
The negative pole of pipe d17, the 3rd port connects the first end of the 6th resistance r234, meets dali_rx simultaneously, and the 4th port meets vcc_mcu；The
The second port ground connection of six resistance r234；Level translation process includes: level excursion 0-3.3v of incoming level dali_tx
(can also be other scopes), when dali_tx is low level, the sending module access dali of cooperation the first light idol u5 be total
Line, make dali bus output transform be 0v about (as 0v), meet dali electrical standard to low level -4.5v～4.5v (
Can be other scopes) requirement；When dali_tx high level, the sending module access dali of cooperation the first light idol u5 is total
Line, make dali bus output transform be 16.8v about (such as 16.8v, close to supply voltage 17v), meet dali electrical standard
Requirement to high level 9.5v～22.5v (can also be other scopes), first resistor r220 and the first audion q206 come really
The static current of lcd protected in dali bus is less than 250ma, and the parameter of the first audion q206 selects to require dc gain to be more than simultaneously
100db, is radiated for the first audion q206 by heat-sink unit simultaneously.
Described receiver module triggers dali_rx low level in bus low level, and during bus high level, triggering dali_rx is high
Level, Zener diode d17 ensures that bus ensures the second optocoupler u4 not in the minimum high level voltage that not up to standard requires
Driven.
Embodiment two
A kind of level-conversion circuit of digital addressable lighting interface dali, described level-conversion circuit includes: sends mould
Block, receiver module.
Described sending module includes: the first optocoupler u5, the first audion q206, first resistor r220, second resistance r221,
3rd resistor r218, the 4th resistance r222, the first electric capacity c11, the first diode d13.
Described receiver module includes: the second optocoupler u4, the 5th resistance r233, the 6th resistance r234, Zener diode d17.
The first port of described first optocoupler u5 connects supply voltage vcc_mcu, and second port passes through 3rd resistor r218
Connect incoming level dali_tx, the 3rd port connects the first end of first resistor r220, and the 4th port connects the first electric capacity respectively
The positive pole of c11, the negative pole of the first diode d13.
Second end of described first resistor r220 connects the first end of second resistance r221, the first audion q206 respectively
Base stage, the second end of second resistance r221 connects the negative pole of the first electric capacity c11, the emitter stage of the first audion q206, voltage stabilizing two
The positive pole of pole pipe d17；The colelctor electrode of the first audion q206 connects the first end of the 4th resistance r222；The of 4th resistance r222
Two-stage nitration connects the positive pole of the first diode d13, second end of the 5th resistance r233, the 3rd port of rectifier bridge d9 respectively.
The first port of described second optocoupler u4 connects the first end of the 5th resistance r233, and second port connects voltage stabilizing two pole
The negative pole of pipe d17, the 3rd port connects the first end of the 6th resistance r234, meets dali_rx simultaneously, and the 4th port meets vcc_mcu；The
The second port ground connection of six resistance r234.
In sum, the utility model proposes digital addressable lighting interface dali level-conversion circuit, it is possible to decrease
Cost, improves stability, can effectively reduce power consumption, reduces emi.
The multiple audions of conventional circuit, create more power consumptions；Simultaneously because the characteristic of optocoupler, serve electricity
Air bound from effect it is suppressed that interfering with each other between equipment is spread with fault, increased the safety and reliability of system；With
When this circuit service life can be longer.
Here description of the present utility model and application are illustrative, are not wishing to be limited in scope of the present utility model
State in embodiment.The deformation of embodiments disclosed herein and change are possible, for the ordinary skill people of those this areas
For member, the replacement of embodiment and equivalent various parts are known.It should be appreciated by the person skilled in the art that not taking off
In the case of spirit or essential characteristics of the present utility model, this utility model can in other forms, structure, arrangement, ratio,
And realized with other assemblies, material and part.In the case of without departing from this utility model scope and spirit, can be to this
In disclosed embodiment carry out other deformation and change.
Claims (2)
1. a kind of level-conversion circuit of digital addressable lighting interface dali is it is characterised in that described level-conversion circuit bag
Include: sending module, receiver module；
Described sending module includes: the first optocoupler u5, the first audion q206, first resistor r220, second resistance r221, the 3rd
Resistance r218, the 4th resistance r222, the first electric capacity c11, the first diode d13；
Described receiver module includes: the second optocoupler u4, the 5th resistance r233, the 6th resistance r234, Zener diode d17；
The first port of described first optocoupler u5 connects supply voltage vcc_mcu, and second port is connected by 3rd resistor r218
Incoming level dali_tx, the 3rd port connects the first end of first resistor r220, and the 4th port connects the first electric capacity c11 respectively
Positive pole, the negative pole of the first diode d13；
Second end of described first resistor r220 connects the first end of second resistance r221, the base of the first audion q206 respectively
Pole, the second end of second resistance r221 connects the negative pole of the first electric capacity c11, the emitter stage of the first audion q206, voltage stabilizing two pole
The positive pole of pipe d17；The colelctor electrode of the first audion q206 connects the first end of the 4th resistance r222；The second of 4th resistance r222
Section connects the positive pole of the first diode d13, second end of the 5th resistance r233, the 3rd port of rectifier bridge d9 respectively；
The first port of described second optocoupler u4 connects the first end of the 5th resistance r233, and second port connects Zener diode
The negative pole of d17, the 3rd port connects the first end of the 6th resistance r234, meets dali_rx simultaneously, and the 4th port meets vcc_mcu；6th
The second port ground connection of resistance r234.
2. digital addressable lighting interface dali according to claim 1 level-conversion circuit it is characterised in that:
Described level-conversion circuit also includes rectification circuit, and described rectification circuit includes rectifier bridge；
The colelctor electrode of described first audion q206 passes through the 3rd port that the 4th resistance r222 connects rectifier bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712559.1U CN205921578U (en) | 2016-07-07 | 2016-07-07 | Digit addressable illumination interface DALI's level translation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712559.1U CN205921578U (en) | 2016-07-07 | 2016-07-07 | Digit addressable illumination interface DALI's level translation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921578U true CN205921578U (en) | 2017-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620712559.1U Withdrawn - After Issue CN205921578U (en) | 2016-07-07 | 2016-07-07 | Digit addressable illumination interface DALI's level translation circuit |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067803A (en) * | 2016-07-07 | 2016-11-02 | 上海兴珠信息科技有限公司 | The level-conversion circuit of digital addressable lighting interface DALI |
-
2016
- 2016-07-07 CN CN201620712559.1U patent/CN205921578U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067803A (en) * | 2016-07-07 | 2016-11-02 | 上海兴珠信息科技有限公司 | The level-conversion circuit of digital addressable lighting interface DALI |
| CN106067803B (en) * | 2016-07-07 | 2023-09-08 | 浙江优联智能科技有限公司 | Level conversion circuit of digital addressable lighting interface DALI |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170627 Address after: Jiaxing City, Zhejiang province 314300 Xitang Haiyan Bridge Street (Haiyan Economic Development Zone) Harbour Road No. 1817 Tesco platinum Palace Hotel 401 rooms Patentee after: Zhejiang UNIBEST Technology Co.,Ltd. Address before: 200441, room 188, 885 Chang Yi Road, Shanghai, Baoshan District Patentee before: SHANGHAI XINGZHU INFORMATION TECHNOLOGY CO.,LTD. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20230908 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20230908 |