CN204131777U - Public lighting direct current centrally connected power supply light modulation supervising device - Google Patents
Public lighting direct current centrally connected power supply light modulation supervising device Download PDFInfo
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- CN204131777U CN204131777U CN201420388877.8U CN201420388877U CN204131777U CN 204131777 U CN204131777 U CN 204131777U CN 201420388877 U CN201420388877 U CN 201420388877U CN 204131777 U CN204131777 U CN 204131777U
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Abstract
The utility model relates to power regulation equipment technical field, specifically a kind of public lighting direct current centrally connected power supply light modulation supervising device, it is characterized in that being provided with AC/DC conversion module, AC power detection module, control module, DC power supply detection module, light-adjusting module and central controller, the utility model compared with prior art, be specially adapted to the energy consumption that lighting device was used, reduced in public place illumination, improve the useful life of light fixture, reduce the regular maintenance cost of lighting device, and the threephase load of lighting device distribution can be made balanced.
Description
Technical field:
The utility model relates to power regulation equipment technical field, specifically a kind of energy consumption being specially adapted to public place illumination use, reducing lighting device, improve the useful life of light fixture, reduce the regular maintenance cost of lighting device, and the public lighting direct current centrally connected power supply light modulation supervising device of lighting device distribution threephase load equilibrium can be made.
Background technology:
Public illumination such as road lighting, park illumination, plaza lighting and the illumination of office building, auditoriums, hotels common part etc., one of public utility that it is maximum as city Midst density, quantity is maximum, be related to traffic safety and lives of the people facility, and become the important component part of Modern urban landscape and common people's daily life.Direct current supply is carried out in public lighting system---concentrate light modulating device, for energy-saving and emission-reduction, reduce invalid illumination, saves energy has great importance.
In general, the supply network of public lighting device is relatively independent, is relatively applicable to the application of direct current supply technology.To compare Alternating Current Power Supply, direct current supply has many-sided potential advantages, efficiency is higher, it is mainly reflected in the following aspects: (1) is in direct current transmission and distribution device, not because transmitting the via net loss that reactive power causes, also not because of the loss that kelvin effect produces, there is the line loss far below exchanging power transmission and distribution; (2) problems such as frequency stabilization, reactive power and AC charging electric current are not had; (3) DC distribution net also has that electrical power distribution ability is strong, radius of electricity supply is large, can improve the quality of power supply, be easy to realize the advantages such as distributed power source is interconnected; (4) the unbalanced problem of the common threephase load of public lighting device can be solved.
In addition, along with LED light source technology is ripe day by day, LED lamp application is more and more extensive.But the useful life of LED lamp power drives part is far below the useful life of LED light source itself, be almost its 1/2 to 1/3.For LED street lamp, the fault more than 90% of LED lamp occurs in power supply driver AC/DC conversion portion.
The phenomenon that public illumination extensively exists excess illumination at present and the ineffective energy consumption that throws light on is large.Often the dead of night, illuminated place is empty, brilliantly illuminated, wastes a large amount of electric energy.For city illumination, for this situation, a lot of place is all in execution " evening lamp, bright every small cup " pattern, but this measure causes road surface brightness irregularities, easily causes people's visual fatigue, brings out accident, also runs counter to existing road lighting code requirement.
Summary of the invention:
The utility model is to current public lighting device Problems existing, a kind of energy consumption being specially adapted to public place illumination use, reducing lighting device is proposed, improve the useful life of light fixture, reduce the regular maintenance cost of lighting device, and the public lighting direct current centrally connected power supply light modulation supervising device of lighting device distribution threephase load equilibrium can be made.
The utility model adopts following technical scheme to reach:
A kind of public lighting direct current centrally connected power supply light modulation supervising device, it is characterized in that being provided with AC/DC conversion module, AC power detection module, control module, DC power supply detection module, light-adjusting module, communication module and central controller, wherein the input of AC/DC conversion module inputs branch road with outside three-phase alternating-current supply and is connected, output exports branch road DC load through direct current and powers, be provided with at least one AC/DC converter in AC/DC conversion module, AC/DC converter is connected with central controller by the mode of bus; AC power for the signals collecting end with AC/DC conversion module that detect the AC power detection module of the input AC electrical quantity of AC/DC conversion module inputs A.C. contactor on branch road and AC current transformer is connected, and is connected with central controller;
For receiving the instruction of central controller and controlling the control module of peripheral circuit operating state, be connected with the control coil of AC/DC conversion module input/output terminal contactor, and be connected with central processing unit;
Export D.C. contactor on branch road and DC current transformer is connected for detecting DC power supply detection module that AC/DC conversion module exports direct current relevant parameter and direct current, and be connected with central controller;
The instruction of system is sent to for receiving the external world, and the communication module of the outwardly real-time status of appointing system or equipment (such as monitoring central server, designated mobile phone etc.) transfer system and the data of detection, be connected with central controller;
Send to the light-adjusting module of dimmable load for generation of dimming commands, logically, be connected with tunable optical driver in load, and be connected with central controller;
Send the instruction of system to for receiving the external world, and outwardly appointing system or equipment (such as monitoring central server, designated mobile phone etc.) transfer system real-time status and detect the communication module of data, be connected with central controller;
For the collaborative work of each parts of coherent system, the central controller realizing systemic-function is connected with AD/DC conversion module, AC power detection module connects, control module connects, DC power supply detection module connects, light-adjusting module connects, communication module connects;
The utility model has the following advantages: (1) can reduce the energy consumption of illuminator.The utility model reduces illuminator energy consumption by two approach, and one is the electric energy loss being reduced transmission of electricity link by direct current centrally connected power supply; Two is according to actual illumination needs, utilizes the utility model to carry out light modulation to lamp load as required, saves energy; (2) useful life of light fixture is improved.Convert control module because flimsy AC/DC parts concentrate on AC/DC, the life-span of light fixture driving power can be greatly improved, thus improves the useful life of light fixture; (3) the regular maintenance cost of lighting device is reduced.Due to the raising of lamp life, the maintenance of lighting device significantly reduces, thus reduces the regular maintenance cost of public lighting device; (4) threephase load of lighting device distribution also can be made to balance in addition.The utility model can equilibrium assignment threephase load, reduces the pollution to AC network.
Accompanying drawing illustrates:
Accompanying drawing 1 is structured flowchart of the present utility model.
Accompanying drawing 2 is a kind of embodiment system figure of the present utility model.
Reference numeral: AC/DC conversion module 1, AC power detection module 2, control module 3, DC power supply detection module 4, light-adjusting module 5 and central controller 6, communication module 7, AC/DC converter 8.
Embodiment:
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in accompanying drawing 1 and accompanying drawing 2, the utility model proposes a kind of public lighting direct current centrally connected power supply light modulation supervising device, it is characterized in that being provided with AC/DC conversion module 1, AC power detection module 2, control module 3, DC power supply detection module 4, light-adjusting module 5 and central controller 6, communication module 7, wherein the input of AC/DC conversion module 1 is connected with outside three-phase alternating-current supply, output is that DC load is powered through direct current cables, at least one AC/DC converter is provided with in AC/DC conversion module 1, being connected with central controller 6 by the mode of bus of AC/DC converter 8,
AC power for the signals collecting end with AC/DC conversion module 1 that detect the AC power detection module 2 of the input AC electrical quantity of AC/DC conversion module 1 inputs A.C. contactor on branch road and AC current transformer is connected, and is connected with central controller 6;
For receiving the instruction of central controller 6 and controlling the control module 3 of peripheral circuit operating state, be connected with the control coil of AC/DC conversion module 1 input/output terminal contactor, and be connected with central processing unit 6;
Export D.C. contactor on branch road and DC current transformer is connected for detecting DC power supply detection module 4 that AC/DC conversion module 1 exports direct current relevant parameter and direct current, and be connected with central controller 6;
Send to the light-adjusting module 5 of dimmable load for generation of dimming commands, be connected with central controller 6;
Send the instruction of system to for receiving the external world, and outwardly appointing system or equipment (such as monitoring central server, designated mobile phone etc.) transfer system real-time status and detect the communication module 7 of data, be connected 6 with central controller;
For the collaborative work of each parts of coherent system, the central controller 6 realizing systemic-function is connected with AD/DC conversion module 1, AC power detection module 2 connects, control module 3 connects, DC power supply detection module 4 connects, light-adjusting module 5 connects, communication module 7 connects;
Embodiment:
As shown in Figure 2, give an embody rule case of the present utility model, it is characterized in that being provided with a road exchanges input branch road, four road direct currents export branch road, and the supervisory control system that application the utility model is arranged for present case.
Exchange input branch road and be provided with circuit breaker Q F, D.C mutual-inductor TA/TB/TC, A.C. contactor KM.The extraneous three-phase alternating-current supply L1/L2/L3 introduced connects the utility model AC input terminal U/V/W respectively through circuit breaker Q F, D.C mutual-inductor TA/TB/TC, A.C. contactor KM.
Direct current exports branch road and is provided with DC bus DC+/DC-, D.C. contactor DKM1/DKM2/DKM3/DKM4, and DC current transformer DTA1/DTA2/DTA3/DTA4.DC bus DC+/DC-and the utility model direct current export OUT+/OUT-and are connected, and D.C. contactor DKM1/DKM2/DKM3/DKM4 input is connected with DC bus DC+/DC-, and output exports through DC current transformer DTA1/DTA2/DTA3/DTA4.
In application case shown in accompanying drawing 2, supervisory control system is provided with AC/DC conversion module, AC power detection module, control module, DC power supply detection module, light-adjusting module, communication module and central controller equally, wherein
AC/DC conversion module is provided with three AC/DC converters, the three-phase input end U/V/W on converter and supervising device ac input end sub-connection, the DC output end sub-connection of output OUT+/OUT-and supervising device.The PORT COM of AC/DC converter is interconnected in the mode of bus, and is connected with central controller, and central controller is by the operation of monitoring bus AC/DC converter.
AC power detection module is provided with alternating voltage detection terminal Ua/Ub/Uc, alternating current detection terminal (Ia1, Ia2)/(Ib1, Ib2)/(Ic1, Ic2), and A.C. contactor status detection terminal KM.Ua/Ub/Uc exports with the three-phase of QF respectively and is connected, and (Ia1, Ia2)/(Ib1, Ib2)/(Ic1, Ic2) is connected with the secondary port of TA/TB/TC respectively, detects the size of current exchanging input branch road; Terminal KM connects the auxiliary contact of A.C. contactor, detects the state of contactor.
Control module is provided with and exchanges input branch road control port K, and direct current exports branch road control port DK1/DK2/DK3/DK4.The control coil that K inputs the A.C. contactor KM of branch road with interchange is connected, the adhesive/disconnection of control KM; DK1/DK2/DK3/DK4 exports the D.C. contactor DKM1/DKM2/DKM3/DKM4 of branch road respectively control coil with direct current is connected, and controls the adhesive/disconnection of D.C. contactor.
DC power supply detection module is provided with direct current detection terminal (DI11, DI12)/(DI21, DI22)/(DI31, DI32)/(DI41, DI42), and D.C. contactor status detection terminal DKM1/DKM2/DKM3/DKM4.(DI11, DI12)/(DI21, DI22)/(DI31, DI32)/(DI41, DI42) is connected with the secondary port of the DC current transformer DTA1/DTA2/DTA3/DTA4 that direct current exports on branch road, detects the size of current that direct current exports branch road; Terminal DKM1/DKM2/DKM3/DKM4 is connected with the D.C. contactor auxiliary contact on the road of direct current output respectively, detects the state of D.C. contactor.
Light-adjusting module is connected with central controller, receives the instruction of central controller, produces dim signal, sends to tunable optical lamp load.
Communication module is connected with central controller, receives the extraneous instruction sent, and outwardly appointing system or equipment (such as monitoring central server, designated mobile phone etc.) transfer system real-time status and detect data.
Central controller AD/DC conversion module connects, AC power detection module connects, control module connects, DC power supply detection module connects, light-adjusting module connects, communication module connects; Collaborative work with for each parts of coherent system, realizes systemic-function.
The utility model compared with prior art, has the following advantages: (1) reduces the energy consumption of lighting device.The utility model reduces lighting device energy consumption by two approach, and one is the electric energy loss being reduced transmission of electricity link by direct current supply; Two is according to actual illumination needs, utilizes the utility model to carry out switch lamp and brightness adjustment control to light fixture as required, saves energy; (2) useful life of light fixture is improved.Convert control unit because flimsy AC/DC parts concentrate on AC/DC, the life-span of light fixture driving power can be greatly improved, thus improves the useful life of light fixture; (3) the regular maintenance cost of lighting device is reduced.Due to the raising of lamp life, the maintenance of lighting device significantly reduces, thus reduces the regular maintenance cost of public lighting device; (4) threephase load of lighting device distribution also can be made to balance in addition.The utility model can equilibrium assignment threephase load, reduces the pollution to AC network.
Claims (2)
1. a public lighting direct current centrally connected power supply light modulation supervising device, is characterized in that being provided with AC/DC conversion module, AC power detection module, control module, DC power supply detection module, light-adjusting module, communication module and central controller, wherein
Input and the outside three-phase alternating-current supply of AC/DC conversion module input branch road and are connected, output exports branch road DC load through direct current and powers, be provided with at least one AC/DC converter in AC/DC conversion module, AC/DC converter is connected with central controller by the mode of bus;
AC power for the signals collecting end with AC/DC conversion module that detect the AC power detection module of the input AC electrical quantity of AC/DC conversion module inputs A.C. contactor on branch road and AC current transformer is connected, and is connected with central controller;
For receiving the instruction of central controller and controlling the control module of peripheral circuit operating state, be connected with the control coil of AC/DC conversion module input/output terminal contactor, and be connected with central processing unit;
Export D.C. contactor on branch road and DC current transformer is connected for detecting DC power supply detection module that AC/DC conversion module exports direct current relevant parameter and direct current, and be connected with central controller;
The instruction of system is sent to for receiving the external world, and the communication module of the outwardly real-time status of appointing system or equipment transfer system and the data of detection, be connected with central controller;
Send to the light-adjusting module of dimmable load for generation of dimming commands, logically, be connected with tunable optical driver in load, and be connected with central controller;
Send the instruction of system to for receiving the external world, and outwardly appointing system or equipment transfer system real-time status and detect the communication module of data, be connected with central controller;
For the collaborative work of each parts of coherent system, the central controller realizing systemic-function is connected with AD/DC conversion module, AC power detection module connects, control module connects, DC power supply detection module connects, light-adjusting module connects, communication module connects;
2. according to claim 1 described public lighting direct current centrally connected power supply light modulation supervising device, in it is characterized in that can be arranged on illumination control cabinet, control cubicle or case becomes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388877.8U CN204131777U (en) | 2014-07-15 | 2014-07-15 | Public lighting direct current centrally connected power supply light modulation supervising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388877.8U CN204131777U (en) | 2014-07-15 | 2014-07-15 | Public lighting direct current centrally connected power supply light modulation supervising device |
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| Publication Number | Publication Date |
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| CN204131777U true CN204131777U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388877.8U Expired - Fee Related CN204131777U (en) | 2014-07-15 | 2014-07-15 | Public lighting direct current centrally connected power supply light modulation supervising device |
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| CN (1) | CN204131777U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104080257A (en) * | 2014-07-15 | 2014-10-01 | 芜湖市政通市政工程有限责任公司 | DC centralized power supply dimming monitoring system and method used for public lighting |
| CN105044445A (en) * | 2015-06-09 | 2015-11-11 | 上海鼎灿投资咨询有限公司 | Voltage-current electric quantity real-time monitoring and remote transmission system |
-
2014
- 2014-07-15 CN CN201420388877.8U patent/CN204131777U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104080257A (en) * | 2014-07-15 | 2014-10-01 | 芜湖市政通市政工程有限责任公司 | DC centralized power supply dimming monitoring system and method used for public lighting |
| CN104080257B (en) * | 2014-07-15 | 2016-08-17 | 芜湖市政通市政工程有限责任公司 | Public illumination direct current centrally connected power supply dims monitoring system and method |
| CN105044445A (en) * | 2015-06-09 | 2015-11-11 | 上海鼎灿投资咨询有限公司 | Voltage-current electric quantity real-time monitoring and remote transmission system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20170715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |