CN101848583A

CN101848583A - Ballast

Info

Publication number: CN101848583A
Application number: CN 201010197605
Authority: CN
Inventors: 唐云生; 李坚
Original assignee: CHONGQING TAIRUI ELECTRONIC Co Ltd
Current assignee: CHONGQING TAIRUI ELECTRONIC Co Ltd
Priority date: 2010-06-11
Filing date: 2010-06-11
Publication date: 2010-09-29

Abstract

The invention discloses a ballast, which comprises an MCU, a power supply module, a power carrier module, a drive module, a plurality of relays and a plurality of inductors correspondingly connected with the relays, wherein the power supply module, the power carrier module and the drive module are connected with the MCU respectively; the power supply module supplies a working voltage to the MCU; the MCU generates MCU instructions according to a received powder carrier signal sent by the power carrier module communicated with a centralized controller, and sends the MCU instructions to the drive module; and the drive module controls on and off of inductance circuits correspondingly connected with the relays by controlling on and off of each relay according to the MCU instructions. The ballast fulfills the purpose of energy conservation by turning on discharge lamps of an illumination number for keeping safety and turning off other discharge lamps when normal illumination is not needed.

Description

A kind of ballast

Technical field

The present invention relates to the discharge lamp technical field, particularly relate to a kind of ballast.

Background technology

The annual electricity charge of present Chinese street lighting consume and surpass 1,000 hundred million yuans, and wherein the street lighting energy consumption accounts for more than 30%, and annual with the speed increase more than 10%.Relevant department's regulation: in the normal illumination period, should reach the illumination of standard code, not need the normal illumination period (for example time after midnight), can only keep safe illumination, general half that grasp in standard of its brightness value, so city image illumination several times of safe illumination often.Because network load is about 20%～40% of electrical network maximum load between the late into the night, therefore, the late into the night, voltage generally operated between the 240-260V, moved under this voltage, and the power of light fixture actual consumption is 1.2～1.4 times of rated value, causes the serious wasting of resources.Therefore, at Energy Saving Control daily and the illumination time after midnight, become the task of top priority for street lamp.

Some road needs the situation that a plurality of discharge lamps are installed in a light fixture, when not needing the normal illumination period, time after midnight for example, just can only open a discharge lamp, turn-off other discharge lamps to keep safe illumination, all do not turn-off when perhaps not needing to throw light on, and then save electric weight, avoid the waste of resource.For energy-conservation, what generally take at present is the mode that many circuits are powered respectively, need the complete circuit of many covers here: a plurality of triggers, a plurality of ballasts etc., in the time after midnight, when needs keep a lamp, just turn-off the AC power in other lamp supply lines, reach purpose of energy saving, so just increased the quantity of circuit.If have only supply line's power supply, all discharge lamps are in the state of working simultaneously so, can only open or turn-off all discharge lamps simultaneously, can't realize purpose of energy saving.

Summary of the invention

For solving the problems of the technologies described above, the embodiment of the invention provides a kind of ballast, and to realize purpose of energy saving, technical scheme is as follows:

A kind of ballast comprises: single-chip microcomputer (MCU), power module, power carrier module, driver module, a plurality of relay, and the corresponding a plurality of inductance that link to each other with relay;

Described power module, power carrier module and driver module are connected with described MCU respectively;

Described power module provides operating voltage for described MCU;

Described MCU generates the MCU instruction and also sends to described driver module according to the power carrier signal of the described power carrier module that receives by sending with the Centralized Controller communication;

The described MCU instruction of described driver module foundation is controlled the disconnection and the conducting of the corresponding inductive circuit that links to each other with described relay by the shutoff and closure of described each relay of control.

Preferably, described a plurality of relays, and the corresponding a plurality of inductance that link to each other with relay are specially:

Two relays, and corresponding with two relays respectively two inductance that link to each other.

Three relays, and corresponding with three relays respectively three inductance that link to each other.

The invention provides a kind of ballast, MCU is according to the described power carrier module that the receives power carrier signal by sending with the Centralized Controller communication, generate the MCU instruction and send to driver module, driver module is according to the shutoff and closure of MCU instruction by each relay of control, the disconnection and the conducting of the corresponding inductive circuit that links to each other of control with relay, realized when not needing the normal illumination period, only open the discharge lamp of the illumination quantity that keeps safety, turn-off other discharge lamps, reached purpose of energy saving.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

The structural representation of the ballast that Fig. 1 provides for the embodiment of the invention one;

The structural representation of the another kind of ballast that Fig. 2 provides for the embodiment of the invention two.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.

Embodiment one:

Referring to Fig. 1, the ballast that the embodiment of the invention one provides comprises: MCU101, power module 102, power carrier module 103, driver module 104, the first relay K A1, the second relay K A2, first inductance L 4 and second inductance L 5.

Power module 102, power carrier module 103 and driver module 104 are connected with MCU101 respectively, power module 102 is connected with live wire L with the zero line N of the alternating current line of force, and, provide MCU101 required operating voltage exchanging AC220V ± 20% voltage transitions for being fit to the direct voltage of MCU101.Power carrier module 103 is carried out communication by the host computer or the Centralized Controller at zero line N and live wire L and streetlight control box place, passes to MCU101 after receiving power carrier signal and demodulation.MCU101 links to each other with the coil of the first relay K A1 and the second relay K A2 respectively by driver module 104.One end of first inductance L 4 links to each other with live wire L by the contact switch of the first relay K A1, and the other end of first inductance L 4 links to each other with the first trigger Q1 with the first discharge lamp H1 respectively; One end of second inductance L 5 links to each other with live wire L by the contact switch of the second relay K A2, and the other end of second inductance L 5 links to each other with the second trigger Q2 with the second discharge lamp H2 respectively.

During work, power carrier module 103 is carried out communication by the host computer or the Centralized Controller at zero line N and live wire L and streetlight control box place, passes to MCU101 after receiving power carrier signal and demodulation.For example, to the time after midnight, just can turn-off a discharge lamp, only open a discharge lamp to keep safe illumination, at this moment, carry out centralized control by host computer or Centralized Controller, send corresponding power carrier signal by power line, power carrier module 103 passes to MCU101 after receiving the power carrier signal demodulation, generate corresponding M CU instruction and send to driver module 104 by MCU101, driver module is carried out the operation of turn-offing according to the contact switch of the MCU commands for controlling first relay K A1, and then the disconnection of the circuit of the first discharge lamp H1 that links to each other with first inductance L 4, the first discharge lamp H1 extinguishes, and perhaps controls the contact switch of the second relay K A2 and carries out the operation of turn-offing, and then the disconnection of the circuit of the second discharge lamp H2 that links to each other with second inductance L 5, the first discharge lamp H2 extinguishes.

The ballast that provides in the foregoing description one, on a circuit, on the circuit of two discharge lamps relay is set in light fixture, by the power carrier module control information of Centralized Controller is sent to MCU, and MCU controls the action of two relays respectively by driver module, and then control the disconnection and the conducting of two discharge lamp circuits, realized only opening the illumination that a discharge lamp keeps safety, reached purpose of energy saving when not needing the normal illumination period.

Embodiment two:

Referring to Fig. 2, the ballast that the embodiment of the invention two provides comprises: MCU101, power module 102, power carrier module 103, driver module 104, the first relay K A1, the second relay K A2, the 3rd relay K A3, first inductance L 4, second inductance L 5 and the 3rd inductance L 6.

Power module 102, power carrier module 103 and driver module 104 are connected with MCU101 respectively, power module 102 is connected with live wire L with the zero line N of the alternating current line of force, and, provide MCU101 required operating voltage exchanging AC220V ± 20% voltage transitions for being fit to the direct voltage of MCU101.Power carrier module 103 is carried out communication by the host computer or the Centralized Controller at zero line N and live wire L and streetlight control box place, passes to MCU101 after receiving power carrier signal and demodulation.MCU101 links to each other with the coil of the first relay K A1 and the second relay K A2 respectively by driver module 104.One end of first inductance L 4 links to each other with live wire L by the contact switch of the first relay K A1, and the other end of first inductance L 4 links to each other with the first trigger Q1 with the first discharge lamp H1 respectively; One end of second inductance L 5 links to each other with live wire L by the contact switch of the second relay K A2, and the other end of second inductance L 5 links to each other with the second trigger Q2 with the second discharge lamp H2 respectively; One end of the 3rd inductance L 6 links to each other with live wire L by the contact switch of the 3rd relay K A3, and the other end of the 3rd inductance L 6 links to each other with the 3rd trigger Q3 with the 3rd discharge lamp H3 respectively.

During work, power carrier module 103 is carried out communication by the host computer or the Centralized Controller at zero line N and live wire L and streetlight control box place, passes to MCU101 after receiving power carrier signal and demodulation.For example, to the time after midnight, just can turn-off wherein two discharge lamps, only open a discharge lamp to keep safe illumination, at this moment, carry out centralized control by host computer or Centralized Controller, send corresponding power carrier signal by power line, power carrier module 103 passes to MCU101 after receiving the power carrier signal demodulation, generate corresponding M CU instruction and send to driver module 104 by MCU101, driver module is carried out the operation of turn-offing according to the contact switch of the MCU commands for controlling first relay K A1 and the second relay K A2, and then the first discharge lamp H1 that links to each other with first inductance L 4, and two circuits disconnections of the second discharge lamp H2 that links to each other with second inductance L 5, the first discharge lamp H2 and the second discharge lamp H2 extinguish, and only stay the 3rd discharge lamp H3 to throw light on.Can control by Centralized Controller according to the concrete condition of road, select to keep one or two discharge lamps and throw light on.

The ballast that provides in the foregoing description two, on a circuit, install in light fixture on the circuit of three discharge lamps relay is set, by the power carrier module control information of Centralized Controller is sent to MCU, and MCU controls the action of three relays respectively by driver module, and then control the disconnection and the conducting of three discharge lamp circuits, realized when not needing the normal illumination period, only opened a discharge lamp or two illumination that keep safety, reached purpose of energy saving.

Among the foregoing description one and the embodiment two, all actuating of relay is all specifically controlled execution by MCU, but when moving then is action by the long-range relay that is provided with by host computer and Centralized Controller of operator, can carry out according to the timetable of the Centralized Controller that pre-sets, also can carry out by long-range timely operation.

Need to prove, the situation of in light fixture on a circuit that above-mentioned enforcement one and embodiment two examples specify two or three discharge lamps being installed, it will be appreciated by those skilled in the art that and be, in a light fixture, a plurality of discharge lamps can be installed, correspondence is provided with a plurality of relays simultaneously, controlled by MCU by Centralized Controller, reach control each lamp bright or go out, the foregoing description does not constitute the restriction to this programme.

The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection range of claim of the present invention.

To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims

1. a ballast is characterized in that, comprising: single-chip microprocessor MCU, power module, power carrier module, driver module, a plurality of relay, and the corresponding a plurality of inductance that link to each other with relay;

Described power module provides operating voltage for described MCU;

2. ballast according to claim 1 is characterized in that, described a plurality of relays, and the corresponding a plurality of inductance that link to each other with relay are specially: two relays, and respectively with two corresponding two continuous inductance of relay.

3. ballast according to claim 1 is characterized in that, described a plurality of relays, and the corresponding a plurality of inductance that link to each other with relay are specially: three relays, and respectively with three corresponding three continuous inductance of relay.