CN207022271U - It is a kind of to realize after single live wire along the control device of cut - Google Patents
It is a kind of to realize after single live wire along the control device of cut Download PDFInfo
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- CN207022271U CN207022271U CN201720706236.6U CN201720706236U CN207022271U CN 207022271 U CN207022271 U CN 207022271U CN 201720706236 U CN201720706236 U CN 201720706236U CN 207022271 U CN207022271 U CN 207022271U
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Abstract
Realized the utility model discloses a kind of after single live wire along the control device of cut.It includes single-chip microcomputer, rectification module, linear voltage decreasing module, DC DC voltage reduction modules, adjustable resistance, alternating current zero passage detection module and MOS FET cut modules, described rectification module is connected with linear voltage decreasing module, alternating current zero passage detection module, MOS FET cut modules respectively, described linear voltage decreasing module is connected by DC DC voltage reduction modules with single-chip microcomputer, and described alternating current zero passage detection module, adjustable resistance, MOS FET cut modules are connected with single-chip microcomputer.The beneficial effects of the utility model are：The input of adjustable resistance signal is supported, single live wire phase cut control is realized, greatly improves the applicability of product; dimming effect is improved, without minimum load requirement, soft start start reduces the influence to power network; i.e. soft start can reduce dash current, and have load overcurrent short-circuit protection function.
Description
Technical field
Phase-cut dimming control correlative technology field is the utility model is related to, one kind is referred in particular to and realizes after single live wire along cut
Control device.
Background technology
At present, fluorescent lamp dimming mode is mainly to be realized by controlling the angle of flow of bidirectional triode thyristor, due to controllable
, it is necessary to a minimum load maintains afterflow, light modulation occurs flicker for the characteristic of silicon, and effect is undesirable.
If using the MOS-FET phase cut control realized, it is necessary to be controlled using single-chip microcomputer, current many MOS-FET
Phase-cut dimming controller take L, N two-wire to power, but actual field wiring only has L power supplies, and this was used by the very day of one's doom
System.
Utility model content
The utility model is above-mentioned in order to overcome the shortcomings of to exist in the prior art, there is provided a kind of reality applied widely
Now along the control device of cut after single live wire.
To achieve these goals, the utility model uses following technical scheme：
It is a kind of to realize after single live wire along the control device of cut, including single-chip microcomputer and
For the rectification module that positive half cycle AC power is converted to comprising positive-negative half-cycle electric main will to be inputted；
For positive half cycle AC power to be changed into the linear voltage decreasing module of 30V output direct currents；
For 30V output direct currents to be converted into 5V output direct currents and to the DC-DC voltage reduction modules of single-chip microcomputer power supply；
Adjustable resistance for cut phase controlling；
For detecting AC power zero crossing and being sent to the alternating current zero passage detection module of singlechip interruption；
The MOS-FET cut modules of cut are realized for receiving single-chip microcomputer signal；
Described rectification module respectively with linear voltage decreasing module, alternating current zero passage detection module, MOS-FET cut modules
Connection, described linear voltage decreasing module are connected by DC-DC voltage reduction modules with single-chip microcomputer, described alternating current zero passage detection mould
Block, adjustable resistance, MOS-FET cut modules are connected with single-chip microcomputer.
Wherein：User can adjust adjustable resistance, inform the phase of whole control device cut；MOS-FET cut modules
It is to receive the power device that single-chip microcomputer signal realizes cut.The resistance of monolithic machine testing adjustable resistance, obtains the phase of cut,
Single-chip microcomputer starts the control signal to MOS-FET cut modules after the synchronizing signal of alternating current zero passage detection module is received,
So as to realize the phase controlling of exchange cut.Traditional switch panel typically only has live wire access, is only capable of using when doing light modulation transformation
Single live wire powered products.The control device greatly improves the applicability of product due to realizing single live wire phase cut control.
Preferably, also include being used for the MOS-FET protection moulds for protecting whole control device to make it from damage in time
Block, described MOS-FET protection modules are connected with single-chip microcomputer, MOS-FET cut modules respectively.When short circuit, excessively stream occurs in load
Etc. anomaly when, its can close in time output so as to protect this control device, from damage.
The beneficial effects of the utility model are：The input of adjustable resistance signal is supported, realizes single live wire phase cut control, greatly
The applicability of product is improved, improves dimming effect, without minimum load requirement, soft start start reduces the shadow to power network
Ring, i.e., soft start can reduce dash current, and have load overcurrent short-circuit protection function.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is circuit theory diagrams of the present utility model.
In figure：1. single-chip microcomputer, 2. rectification modules, 3. linear voltage decreasing modules, 4.DC-DC voltage reduction modules, 5. adjustable resistances, 6.
Alternating current zero passage detection module, 7.MOS-FET cut modules, 8. MOS-FET protection modules.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
It is a kind of to realize after single live wire along the control device of cut, including single-chip microcomputer 1 as shown in Figure 1, Figure 2 in described embodiment
And
For the rectification module 2 that positive half cycle AC power is converted to comprising positive-negative half-cycle electric main will to be inputted；
For positive half cycle AC power to be changed into the linear voltage decreasing module 3 of 30V output direct currents；
For 30V output direct currents to be converted into 5V output direct currents and the DC-DC voltage reduction modules powered to single-chip microcomputer 1
4；
Adjustable resistance 5 for cut phase controlling；
For detecting AC power zero crossing and being sent to the alternating current zero passage detection module 6 of the interruption of single-chip microcomputer 1；
The MOS-FET cuts module 7 of cut is realized for receiving the signal of single-chip microcomputer 1；
For protecting whole control device to make it from the MOS-FET protection modules 8 of damage in time；
Rectification module 2 connects with linear voltage decreasing module 3, alternating current zero passage detection module 6, MOS-FET cuts module 7 respectively
Connect, linear voltage decreasing module 3 is connected by DC-DC voltage reduction modules 4 with single-chip microcomputer 1, alternating current zero passage detection module 6, adjustable resistance
5th, MOS-FET cuts module 7, MOS-FET protection modules 8 are connected with single-chip microcomputer 1, MOS-FET protection modules 8 and MOS-FET
Cut module 7 connects.
Wherein：User can adjust adjustable resistance 5, inform the phase of whole control device cut；MOS-FET cut moulds
Block 7 is to receive the power device that the signal of single-chip microcomputer 1 realizes cut.Single-chip microcomputer 1 detects the resistance of adjustable resistance 5, obtains cut
Phase, single-chip microcomputer 1 starts to MOS-FET cuts module 7 after the synchronizing signal of alternating current zero passage detection module 6 is received
Control signal, so as to realize the phase controlling of exchange cut.When there are the anomalies such as short circuit, excessively stream in load, MOS-FET
Protection module 8 can close output in time so as to protect this control device, from damage.Traditional switch panel typically only has live wire
Access, it is only capable of using single live wire powered products when doing light modulation transformation.The control device is due to realizing single live wire phase cut control, pole
The big applicability for improving product.
Claims (2)
1. a kind of realize along the control device of cut after single live wire, it is characterized in that, including single-chip microcomputer (1) and
For the rectification module (2) that positive half cycle AC power is converted to comprising positive-negative half-cycle electric main will to be inputted；
For positive half cycle AC power to be changed into the linear voltage decreasing module (3) of 30V output direct currents；
For 30V output direct currents to be converted into 5V output direct currents and to the DC-DC voltage reduction modules (4) of single-chip microcomputer (1) power supply；
Adjustable resistance (5) for cut phase controlling；
For detecting AC power zero crossing and being sent to the alternating current zero passage detection module (6) of single-chip microcomputer (1) interruption；
The MOS-FET cuts module (7) of cut is realized for receiving single-chip microcomputer (1) signal；
Described rectification module (2) respectively with linear voltage decreasing module (3), alternating current zero passage detection module (6), MOS-FET cuts
Module (7) is connected, and described linear voltage decreasing module (3) is connected by DC-DC voltage reduction modules (4) with single-chip microcomputer (1), described friendship
Flow electric zero passage detection module (6), adjustable resistance (5), MOS-FET cuts module (7) are connected with single-chip microcomputer (1).
2. according to claim 1 realize along the control device of cut after single live wire, it is characterized in that, in addition to for timely
Whole control device is protected to make it from the MOS-FET protection modules (8) of damage, described MOS-FET protection modules (8) are respectively
It is connected with single-chip microcomputer (1), MOS-FET cuts module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706236.6U CN207022271U (en) | 2017-06-18 | 2017-06-18 | It is a kind of to realize after single live wire along the control device of cut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706236.6U CN207022271U (en) | 2017-06-18 | 2017-06-18 | It is a kind of to realize after single live wire along the control device of cut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207022271U true CN207022271U (en) | 2018-02-16 |
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ID=61485013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720706236.6U Active CN207022271U (en) | 2017-06-18 | 2017-06-18 | It is a kind of to realize after single live wire along the control device of cut |
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| CN (1) | CN207022271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601177A (en) * | 2018-05-17 | 2018-09-28 | 珠海市圣昌电子有限公司 | A kind of single-entry single-out touch phase-cut dimming controller |
| CN109302785A (en) * | 2018-10-19 | 2019-02-01 | 上海亚明照明有限公司 | Phase-cut dimming control device, method and readable storage medium storing program for executing |
-
2017
- 2017-06-18 CN CN201720706236.6U patent/CN207022271U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601177A (en) * | 2018-05-17 | 2018-09-28 | 珠海市圣昌电子有限公司 | A kind of single-entry single-out touch phase-cut dimming controller |
| CN108601177B (en) * | 2018-05-17 | 2024-04-09 | 珠海市圣昌电子有限公司 | Single-in single-out touch phase-cut dimming controller |
| CN109302785A (en) * | 2018-10-19 | 2019-02-01 | 上海亚明照明有限公司 | Phase-cut dimming control device, method and readable storage medium storing program for executing |
| CN109302785B (en) * | 2018-10-19 | 2020-07-17 | 上海亚明照明有限公司 | Phase-cut dimming control device, method and readable storage medium |
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