CN112911766A - Chopper type constant current light modulator - Google Patents
Chopper type constant current light modulator Download PDFInfo
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- CN112911766A CN112911766A CN202110109428.XA CN202110109428A CN112911766A CN 112911766 A CN112911766 A CN 112911766A CN 202110109428 A CN202110109428 A CN 202110109428A CN 112911766 A CN112911766 A CN 112911766A
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- inductance coil
- fuse
- controller
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- interface
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
The invention provides a chopper type constant current dimmer, which comprises a controller; the anode of the input power supply passes through a fuse F1.1 and a synchronous switch K1 and then is connected with one end of an inductance coil L2 through a diode D1 and a diode D2 which are connected in parallel in the reverse direction, and the cathode of the input power supply passes through a fuse F1.2 and a synchronous switch K2 and then is connected with the other end of the inductance coil L2; the input end of the inductance coil L4 is connected with the output end of the fuse F1.1 after passing through the fuse F5, and the output end of the inductance coil L4 is connected with the input end of the fuse F1.2 after passing through the fuse F7; the inductance coil L5 is respectively connected with an interface J1 and an interface J2 of the controller; the invention has maintainability, upgradability and scale effect. The invention uses the PLC system, has stable and consistent operation, standardizes programming software and manufacturing process, and is more suitable for development and application of a modular system.
Description
Technical Field
The invention relates to a constant current dimmer, in particular to a chopper type constant current dimmer.
Background
Due to the fact that the technology in China lags behind, the block of the navigation light constant-current dimmer is not modularized or is completely modularized, and the block of maintainability, upgradeability and scale effect has great defects.
The existing constant current dimmer generally adopts a single chip microcomputer to process signals and send out control signals on a control unit, and compared with a PLC, no PLC system runs stably. And the PLC has consistency, programming software and a manufacturing process are standardized, and the modular system is more suitable for development and application.
Accordingly, there is a need for improvements in the art.
Disclosure of Invention
The invention aims to provide a high-efficiency chopper type constant current dimmer.
In order to solve the above technical problem, the present invention provides a chopper type constant current dimmer, comprising a controller;
the anode of the input power supply passes through a fuse F1.1 and a synchronous switch K1, then is connected with one end of an inductance coil L2 through a diode D1 and a diode D2 which are connected in parallel in the reverse direction,
the negative electrode of the input power supply is connected with the other end of the inductance coil L2 after passing through a fuse F1.2 and a synchronous switch K2;
the input end of the inductance coil L4 is connected with the output end of the fuse F1.1 after passing through the fuse F5, and the output end of the inductance coil L4 is connected with the input end of the fuse F1.2 after passing through the fuse F7;
the inductance coil L5 is respectively connected with an interface J1 and an interface J2 of the controller;
the output end of the fuse F5 is connected with the input end of an inductance coil L8, the output end of an inductance coil L4 is connected with the input end of an inductance coil L8, and the output end of the inductance coil L8 is connected with an interface J11 of the controller;
the interface J10 of the controller is connected with the synchronous switch K1 and is used for controlling the disconnection/connection of the synchronous switch K1; when the self-checking output loop of the controller is correct, the controller controls the synchronous switch K1 to be communicated; when the controller self-checks the output loop error, the controller controls the synchronous switch K1 to be switched off;
one end of the inductance coil L3 is used as the positive electrode of the output power supply after passing through the inductance coil L6, and the other end of the inductance coil L3 is used as the negative electrode of the output power supply;
the interface J3 and the interface J4 of the controller are respectively connected with the inductance coil L7; the current part of the input power supply sequentially passes through an inductance coil L4, an inductance coil L5, an inductance coil L7 and an inductance coil L6 and then is output, and the controller adjusts the output current to form closed-loop control;
the interface J5 of the controller is connected with the input ends of the diode D1 and the diode D2 which are connected in reverse parallel after passing through a fuse F2;
the interface J6 of the controller is connected with the input ends of the diode D1 and the diode D2 which are connected in reverse parallel after passing through a fuse F3;
the interface J7 and the interface J8 of the controller are respectively connected with controllable silicon D1 and D2, and the controllable silicon D1 and D2 are used for controlling current output, so that constant current output is achieved.
As an improvement of the chopper type constant current dimmer of the present invention:
the inductance coil L1 is connected in series between the fuse F1.1 and the synchronous switch K1, and plays a role in smoothing current besides playing a role in energy storage.
As an improvement of the chopper type constant current dimmer of the present invention:
also included is a synchronous transformer that outputs 220/230V so that the output current phase angles are synchronized.
As an improvement of the chopper type constant current dimmer of the present invention:
the inductor L2 and the inductor L3 are used as step-up transformers, and different taps of the inductor L3 correspond to different output voltages.
As an improvement of the chopper type constant current dimmer of the present invention:
the lightning arrester also comprises a lightning arrester; and two ends of the lightning arrester are respectively connected with the anode of the output power supply and the cathode of the output power supply.
As an improvement of the chopper type constant current dimmer of the present invention:
the controller controls the trigger pins of the controllable silicon D1 and D2 according to the collected current and voltage signals to enable the output current to reach the required constant current.
As an improvement of the chopper type constant current dimmer of the present invention:
the J9 interface of the controller is connected with the output end of the inductance coil L6 through a resistor R1 and used for detecting the ground resistance value.
As an improvement of the chopper type constant current dimmer of the present invention:
the fuse F7 and the fuse F1.2 perform fusing operation when the input current of the input power supply exceeds a preset threshold value, so that the circuit is disconnected, the main loop current protection function is achieved, and the protection of large current impact is formed.
The control unit and the power unit are made into a plug box structure, the constant current dimmers with different powers only need to be replaced by different power units, and if the functions or interfaces of the constant current dimmers are upgraded, the upgrading and the transformation can be completed by only replacing the control units, so that the product has extremely high maintainability and upgradability.
The chopper type constant current dimmer has the technical advantages that:
the modularized concept is utilized to build the chopper type constant current dimmer suitable for the airport navigation light system. The invention has maintainability, upgradability and scale effect. The invention uses the PLC system, has stable and consistent operation, standardizes programming software and manufacturing process, and is more suitable for development and application of a modular system.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic circuit diagram of a chopper-type constant current dimmer according to the present invention.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
the modularized controller elektronikludge controls the trigger pins of the thyristors D1 and D2 according to the collected current and voltage signals, so that the output current reaches the required constant current. And a fuse is arranged at the wire inlet end of the main loop to form protection against large-current impact. And the lightning arrester is arranged at the output end to prevent the lightning impulse of the output end.
The positive pole of the input power supply passes through a fuse F1.1, an inductance coil L1 and a synchronous switch K1 and then is connected with one end of an inductance coil L2 through a diode D1 and a diode D2 which are connected in parallel in the reverse direction, and the inductance coil L1 is connected in series in the circuit, so that the energy storage function is realized, and the current smoothing function is also realized.
The negative electrode of the input power supply is connected with the other end of the inductance coil L2 after passing through a fuse F1.2 and a synchronous switch K2.
The input end of the inductance coil L4 passes through the fuse F5 and then is connected with the output end of the fuse F1.1, and the output end of the inductance coil L4 passes through the fuse F7 and then is connected with the input end of the fuse F1.2. The fuse F7 and the fuse F1.2 perform fusing operation when the input current of the input power supply exceeds a preset threshold value, so that the circuit is disconnected, the main loop current protection function is achieved, and the protection of large current impact is formed.
The inductance coil L5 is respectively connected with an interface J1 and an interface J2 of the controller;
the output end of the fuse F5 is connected with the input end of the inductance coil L8, the output end of the inductance coil L4 is connected with the input end of the inductance coil L8, and the output end of the inductance coil L8 is connected with an interface J11 of the controller.
The synchronous transformer outputs 220/230V voltage so that the output current phase angles are synchronized.
The interface J10 of the controller is connected with the synchronous switches K1 and K2 and is used for controlling the disconnection/connection of the synchronous switches K1 and K2. When the self-checking output loop of the controller is correct, the controller controls the synchronous switches K1 and K2 to be communicated; when the controller self-checks the output loop error, the controller controls the synchronous switches K1 and K2 to be switched off.
One end of the inductance coil L3 is used as the positive electrode of the output power supply after passing through the inductance coil L6, and the other end of the inductance coil L3 is used as the negative electrode of the output power supply;
an interface J3 and an interface J4 of the controller are respectively connected with the inductance coil L7; the current part of the input power supply sequentially passes through the inductance coil L4, the inductance coil L5, the inductance coil L7 and the inductance coil L6 and is output, and the controller adjusts the output current to form closed-loop control.
Inductor L2 and inductor L3 act as step-up transformers, with different taps of inductor L3 corresponding to different output voltages.
Two ends of the lightning arrester are respectively connected with the anode of the output power supply and the cathode of the output power supply.
An interface J5 of the controller is connected with the input ends of a diode D1 and a diode D2 which are connected in parallel in the reverse direction after passing through a fuse F2;
an interface J6 of the controller is connected with the input ends of a diode D1 and a diode D2 which are connected in parallel in the reverse direction after passing through a fuse F3;
the interface J7 and the interface J8 of the controller are respectively connected with controllable silicon D1 and D2, and the controllable silicon D1 and D2 are used for controlling current output, so that constant current output is achieved. The controller elektroniklodul controls the trigger pins of the thyristors D1 and D2 according to the collected current and voltage signals to make the output current reach the required constant current.
The J9 interface of the controller is connected with the output end of the inductance coil L6 through a resistor R1 and used for detecting the ground resistance value.
Finally, it is also noted that the above-mentioned lists merely illustrate a few specific embodiments of the invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (8)
1. A chopper-type constant current dimmer is characterized in that: comprises a controller;
the anode of the input power supply passes through a fuse F1.1 and a synchronous switch K1, then is connected with one end of an inductance coil L2 through a diode D1 and a diode D2 which are connected in parallel in the reverse direction,
the negative electrode of the input power supply is connected with the other end of the inductance coil L2 after passing through a fuse F1.2 and a synchronous switch K2;
the input end of the inductance coil L4 is connected with the output end of the fuse F1.1 after passing through the fuse F5, and the output end of the inductance coil L4 is connected with the input end of the fuse F1.2 after passing through the fuse F7;
the inductance coil L5 is respectively connected with an interface J1 and an interface J2 of the controller;
the output end of the fuse F5 is connected with the input end of an inductance coil L8, the output end of an inductance coil L4 is connected with the input end of an inductance coil L8, and the output end of the inductance coil L8 is connected with an interface J11 of the controller;
the interface J10 of the controller is connected with the synchronous switch K1 and is used for controlling the disconnection/connection of the synchronous switch K1; when the self-checking output loop of the controller is correct, the controller controls the synchronous switch K1 to be communicated; when the controller self-checks the output loop error, the controller controls the synchronous switch K1 to be switched off;
one end of the inductance coil L3 is used as the positive electrode of the output power supply after passing through the inductance coil L6, and the other end of the inductance coil L3 is used as the negative electrode of the output power supply;
the interface J3 and the interface J4 of the controller are respectively connected with the inductance coil L7; the current part of the input power supply sequentially passes through an inductance coil L4, an inductance coil L5, an inductance coil L7 and an inductance coil L6 and then is output, and the controller adjusts the output current to form closed-loop control;
the interface J5 of the controller is connected with the input ends of the diode D1 and the diode D2 which are connected in reverse parallel after passing through a fuse F2;
the interface J6 of the controller is connected with the input ends of the diode D1 and the diode D2 which are connected in reverse parallel after passing through a fuse F3;
the interface J7 and the interface J8 of the controller are respectively connected with controllable silicon D1 and D2, and the controllable silicon D1 and D2 are used for controlling current output, so that constant current output is achieved.
2. The chopper-type constant current dimmer as claimed in claim 1, wherein:
the inductance coil L1 is connected in series between the fuse F1.1 and the synchronous switch K1, and plays a role in smoothing current besides playing a role in energy storage.
3. The chopper-type constant current dimmer as claimed in claim 2, wherein:
also included is a synchronous transformer that outputs 220/230V so that the output current phase angles are synchronized.
4. The chopper-type constant current dimmer as claimed in claim 3, wherein:
the inductor L2 and the inductor L3 are used as step-up transformers, and different taps of the inductor L3 correspond to different output voltages.
5. The chopper-type constant current dimmer as claimed in claim 4, wherein:
the lightning arrester also comprises a lightning arrester; and two ends of the lightning arrester are respectively connected with the anode of the output power supply and the cathode of the output power supply.
6. The chopper-type constant current dimmer as claimed in claim 5, wherein:
the controller controls the trigger pins of the controllable silicon D1 and D2 according to the collected current and voltage signals to enable the output current to reach the required constant current.
7. The chopper-type constant current dimmer as claimed in claim 6, wherein:
the J9 interface of the controller is connected with the output end of the inductance coil L6 through a resistor R1 and used for detecting the ground resistance value.
8. The chopper-type constant current dimmer as claimed in claim 7, wherein:
the fuse F7 and the fuse F1.2 perform fusing operation when the input current of the input power supply exceeds a preset threshold value, so that the circuit is disconnected, the main loop current protection function is achieved, and the protection of large current impact is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109428.XA CN112911766A (en) | 2021-01-25 | 2021-01-25 | Chopper type constant current light modulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109428.XA CN112911766A (en) | 2021-01-25 | 2021-01-25 | Chopper type constant current light modulator |
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| CN112911766A true CN112911766A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110109428.XA Pending CN112911766A (en) | 2021-01-25 | 2021-01-25 | Chopper type constant current light modulator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005141719A (en) * | 2003-10-16 | 2005-06-02 | Nippon Reliance Kk | Input circuit of control equipment |
| US20100019889A1 (en) * | 2006-11-26 | 2010-01-28 | Tritonics Technologies Ltd | Device that enables plc based smart dimmers to function with no new wires |
| WO2012023635A1 (en) * | 2010-08-16 | 2012-02-23 | Lee Sang Chun | Light-emitting diode driver for phase control |
| CN103547032A (en) * | 2013-10-21 | 2014-01-29 | 江门市亮大照明有限公司 | LED lamp based on thyristor constant current |
| CN109391164A (en) * | 2018-12-29 | 2019-02-26 | 山东博润工业技术股份有限公司 | In high-power constant current chopper control plasmatorch power supply |
-
2021
- 2021-01-25 CN CN202110109428.XA patent/CN112911766A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005141719A (en) * | 2003-10-16 | 2005-06-02 | Nippon Reliance Kk | Input circuit of control equipment |
| US20100019889A1 (en) * | 2006-11-26 | 2010-01-28 | Tritonics Technologies Ltd | Device that enables plc based smart dimmers to function with no new wires |
| WO2012023635A1 (en) * | 2010-08-16 | 2012-02-23 | Lee Sang Chun | Light-emitting diode driver for phase control |
| CN103547032A (en) * | 2013-10-21 | 2014-01-29 | 江门市亮大照明有限公司 | LED lamp based on thyristor constant current |
| CN109391164A (en) * | 2018-12-29 | 2019-02-26 | 山东博润工业技术股份有限公司 | In high-power constant current chopper control plasmatorch power supply |
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