CN203027562U - Digital phase modulation device - Google Patents
Digital phase modulation device Download PDFInfo
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- CN203027562U CN203027562U CN 201220742330 CN201220742330U CN203027562U CN 203027562 U CN203027562 U CN 203027562U CN 201220742330 CN201220742330 CN 201220742330 CN 201220742330 U CN201220742330 U CN 201220742330U CN 203027562 U CN203027562 U CN 203027562U
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Abstract
The utility model discloses a digital phase modulation device which comprises a synchronizing signal extraction module (1), a control module (2), a digital addressable lighting interface (DALI) module (3), a relay module (4) and a silicon controlled module (5), wherein the synchronizing signal extraction module (1) is used for extracting a synchronizing signal of the alternating current mains supply; the control module (2) is used for controlling on/off of the relay module (4) and a conduction angle of the silicon controlled module (5); the DALI module (3) is used for receiving a DALI signal; the relay module (4) is used for controlling on/off of the silicon controlled module (5); the silicon controlled module (5) is used for regulating phase of the alternating current; and the control module (2) performs decoding analysis on the DALI signal and modulates the phase according to the relay module (4) and the silicon controlled module (5). According to the digital phase modulation device, the silicon controlled can be completely disconnected, the micro-light phenomenon after the light is turned off is avoided, and the DALI dimming is supported.
Description
Technical field
The utility model relates to a kind of digital phase moudlation device, and is special, relates to a kind ofly can thoroughly disconnecting silicon controlled digital phase moudlation device.
Background technology
Along with improving constantly of people's living standard, to the also raising thereupon of demand of illumination, the demand that light-source brightness is regulated is one of them.
In prior art, usually regulate the brightness of conventional light source with controllable silicon.On the other hand, along with the develop rapidly of LED lighting technology, LED light source is long, radiationless owing to having a life-span, the easy advantage such as controls, alternative conventional light source on a large scale progressively.
At present, the dimmer on market belongs to traditional simulation controllable silicon phase modulation device mostly, and it is to regulate by turn-knob the phase place that the silicon controlled angle of flow is regulated alternating current, thereby regulates the brightness of light source.But, have a large amount of problems in the time of in this traditional controllable silicon phase modulation device is applied to novel LED light source.For example, because controllable silicon can not turn-off fully, when by this phase modulator, LED light source being carried out light modulation, often can occur closing constantly and the phenomenon of glimmer.
Therefore, need to provide a kind of novel phase modulation apparatus, to eliminate the glimmer phenomenon.
The utility model content
The purpose of this utility model is to provide a kind of digital phase moudlation device, is used for LED light source is carried out light modulation, and can thoroughly disconnects controllable silicon, so that LED light source the phenomenon of glimmer can not occur after turning off the light.
According to an aspect of the present utility model, a kind of digital phase moudlation device is provided, comprising: synchronizing signal extraction module 1 is used for extracting the synchronizing signal of electric main and sending to control module 2; Control module 2 is used for the disconnection of control relay module 4 and the angle of flow of closed and silicon controlled module 5; DALI module 3 is used for receiving the DALI signal and sending to control module 2; Relay module 4 is connected to silicon controlled module 5, is used for controlling energising and the outage of silicon controlled module 5;
Silicon controlled module 5 is connected to light source, is used for regulating the phase place of alternating current; Wherein, 2 pairs of described DALI signals of described control module carry out Decoding Analysis, and control relay module 4 and silicon controlled module 5 carry out phase modulation accordingly.
Wherein, when described DALI signal is when turning off the light instruction, control module 2 receive and decode after control relay module 4 disconnect.
Wherein, when described DALI signal is the brightness regulation instruction, after control module 2 receives and decodes, according to the brightness requirement in described synchronizing signal and this brightness regulation instruction, control the angle of flow of silicon controlled module 5.
Wherein, the input of described synchronizing signal extraction module 1 is connected to electric main, and output is connected to control module 2.
Wherein, the input of described DALI module 3 is connected to the DALI main frame, is used for receiving the DALI signal from the DALI main frame, and the output of DALI module 3 is connected to control module 2.
According to the utility model, the digital phase moudlation device is not only supported conventional light source and LED light source light modulation (comprise and closing and brightness adjusting), also supports the DALI light modulation, can thoroughly disconnect controllable silicon.When being used for LED light source is carried out light modulation, guaranteeing that LED light source the phenomenon of glimmer can not occur after turning off the light, thereby avoided the defective of traditional thyristor regulating electro-optical device fully.
Description of drawings
Fig. 1 has shown the structural representation of the utility model digital phase moudlation device.
Embodiment
Below in conjunction with the embodiment by the accompanying drawing illustrated embodiment, foregoing of the present utility model is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the utility model only limits to following example.Do not breaking away from the above-mentioned technological thought situation of the utility model, various replacements or change according to ordinary skill knowledge and customary means are made all should be included in scope of the present utility model.
Fig. 1 has shown the structural representation of the utility model digital phase moudlation device.
As shown in Figure 1, digital phase moudlation device of the present utility model comprises: synchronizing signal extraction module 1, control module 2, DALI module 3, relay module 4 and silicon controlled module 5.
Synchronizing signal extraction module 1 is used for extracting the electric main synchronizing signal and sending to control module 2.Specifically, the input of synchronizing signal extraction module 1 is connected to outside electric main (being the 220V AC power), is used for extracting the synchronizing signal of electric main.The output of synchronizing signal extraction module 1 is connected to control module 2.
Control module 2 is connected to relay module 4, is used for disconnection and the closure of control relay module 4, thereby controls energising and the outage of silicon controlled module 5.On the other hand, as shown in Figure 1, control module 2 is also controlled the angle of flow of silicon controlled module 5 by a holding wire, thereby can control the phase place of alternating current, and then controls the brightness of light source.
DALI module 3 is used for receiving the DALI signal and sending to control module 2.Specifically, the input of DALI module 3 is connected to the DALI main frame, is used for receiving the DALI signal from the DALI main frame.The output of DALI module 3 is connected to control module 2, is used for the DALI signal that receives is sent to control module 2.Wherein, DALI is the international standard bus protocol of intelligent lighting illumination, extensive use in lighting field.
Relay module 4 is connected to silicon controlled module 5, is used for controlling energising and the outage of silicon controlled module 5.
Silicon controlled module 5 is connected to light source, is used for regulating the phase place of alternating current.In the utility model, light source can be conventional light source or LED light source.Specifically, by controlling the angle of flow of silicon controlled module 5, can control the phase place of the alternating current of flowing through in this module, and then control the brightness of light source.
The below introduces the operation principle of digital phase moudlation device of the present utility model.
As shown in Figure 1, the DALI signal that DALI module 3 receives from the DALI main frame also is sent to control module 2, the synchronizing signal that control module 2 sends in conjunction with synchronizing signal extraction module 1, and this DALI signal of Decoding Analysis also acts accordingly, and then carry out light modulation.
Specifically, if the DALI signal that the DALI main frame sends is the instruction of turning off the light, control module 2 receive and decode after control relay module 4 disconnect (physics disconnections), thereby cut off be electrically connected to (namely the cutting off the power supply) of silicon controlled module 5 and power supply, thoroughly disconnect the power supply of light source.Because the physics that is broken as of relay module 4 disconnects, thereby can eliminate glimmer phenomenon after silicon controlled module 5 outages fully.
If the DALI signal that the DALI main frame sends is the brightness regulation instruction, after control module 2 receives and decodes, synchronizing signal according to 1 extraction of synchronizing signal extraction module, and based on the brightness requirement in the brightness regulation instruction, regulate the angle of flow of silicon controlled module 5, thereby regulate the time that provides of silicon controlled trigger signal, thereby regulate the phase place of the alternating current in silicon controlled module 5, and then the purpose that realizes regulating light-source brightness.Therefore, digital phase moudlation device of the present utility model can be realized the DALI light modulation.
As mentioned above, structure and the operation principle of digital phase moudlation device of the present utility model have been introduced.The digital phase moudlation device is not only supported conventional light source and LED light source light modulation (comprise and closing and brightness adjusting), also supports the DALI light modulation, can thoroughly disconnect controllable silicon.When being used for LED light source is carried out light modulation, guaranteeing that LED light source the phenomenon of glimmer can not occur after turning off the light, thereby avoided the defective of traditional thyristor regulating electro-optical device fully.
Above reference embodiment of the present utility model has given explanation to the utility model.But these embodiment are only for illustrative purposes, and are not in order to limit scope of the present utility model.Scope of the present utility model is limited by claims and equivalent thereof.Do not break away from scope of the present utility model, those skilled in the art can make a variety of substitutions and modifications, within these substitutions and modifications all should drop on scope of the present utility model.
Claims (5)
1. digital phase moudlation device comprises:
Synchronizing signal extraction module (1) is used for extracting the synchronizing signal of electric main and sending to control module (2);
Control module (2) is used for the disconnection of control relay module (4) and the angle of flow of closed and silicon controlled module (5);
DALI module (3) is used for receiving the DALI signal and sending to control module (2);
Relay module (4) is connected to silicon controlled module (5), is used for controlling energising and the outage of silicon controlled module (5);
Silicon controlled module (5) is connected to light source, is used for regulating the phase place of alternating current;
Wherein, described control module (2) is carried out Decoding Analysis to described DALI signal, and control relay module (4) and silicon controlled module (5) carry out phase modulation accordingly.
2. digital phase moudlation device according to claim 1, when described DALI signal is when turning off the light instruction, control module (2) receive and decode after control relay module (4) disconnect.
3. digital phase moudlation device according to claim 1, when described DALI signal is the brightness regulation instruction, after control module (2) receives and decodes, according to the brightness requirement in described synchronizing signal and this brightness regulation instruction, control the angle of flow of silicon controlled module (5).
4. the described digital phase moudlation device of any one according to claim 1-3, the input of described synchronizing signal extraction module (1) is connected to electric main, and output is connected to control module (2).
5. the described digital phase moudlation device of any one according to claim 1-3, the input of described DALI module (3) is connected to the DALI main frame, is used for receiving the DALI signal from the DALI main frame, and the output of DALI module (3) is connected to control module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742330 CN203027562U (en) | 2012-12-28 | 2012-12-28 | Digital phase modulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742330 CN203027562U (en) | 2012-12-28 | 2012-12-28 | Digital phase modulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027562U true CN203027562U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220742330 Expired - Fee Related CN203027562U (en) | 2012-12-28 | 2012-12-28 | Digital phase modulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687235A (en) * | 2013-12-12 | 2014-03-26 | 中山市富加电器制品有限公司 | DALI intelligent light control system based on wireless sensing technology |
| CN103687236A (en) * | 2013-12-12 | 2014-03-26 | 中山市富加电器制品有限公司 | DALI intelligent electric appliance control system based on wireless sensing technology |
-
2012
- 2012-12-28 CN CN 201220742330 patent/CN203027562U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687235A (en) * | 2013-12-12 | 2014-03-26 | 中山市富加电器制品有限公司 | DALI intelligent light control system based on wireless sensing technology |
| CN103687236A (en) * | 2013-12-12 | 2014-03-26 | 中山市富加电器制品有限公司 | DALI intelligent electric appliance control system based on wireless sensing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20181228 |