CN202634857U

CN202634857U - Energy-efficient intelligent ballast

Info

Publication number: CN202634857U
Application number: CN 201220259156
Authority: CN
Inventors: 雷锡社
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-01
Filing date: 2012-06-01
Publication date: 2012-12-26
Anticipated expiration: 2022-06-01

Abstract

The utility model discloses an energy-efficient intelligent ballast, belonging to the technical field of illumination energy conservation. The energy-efficient intelligent ballast comprises a ballast module and a single-chip microcomputer control module, wherein the ballast module comprises coupled inductors L1 and L2 and switches K1, K2, K3 and K4. The K1, the L1, the K2 and the L2 are sequentially connected in series (the b end of the K1 is connected with the 11 end of the L1, the 12 end of the L1 is connected with the c end of the K2, and the d end of the K2 is connected with the 21 end of the L2), and the K4 is connected with the 12 end of the L1 and the a end of the K1 in parallel; and the K3 is connected with the 11 end of the L1 and the 21 end of the L2 in parallel, and the 11 end of the L1 and the 21 end of the L2 are of homonymous ends. The single-chip microcomputer control module is used for controlling on-off logic states of the four switches according to an embedded program and intelligently controlling the working state of the ballast module. The energy-efficient intelligent ballast disclosed by the utility model has the characteristics of simple and reliable structure, low cost, high efficiency and energy conservation.

Description

Efficiency type intelligence ballast

Technical field

The utility model belongs to the lighting energy saving technical field, particularly the change power ballast of high-voltage gas discharging light.

Background technology

Green illumination is electrical energy saving under the prerequisite of assurance or raising lighting quality; Green Lighting Project energy-conservation; Just do not improve the efficient of light source, also want each link in the illumination system to carry out Energy Saving Control simultaneously, reduce the consumption of non-renewable resources and the pollution of atmosphere.

Existing many high-voltage gas discharging light HID illumination occasions, traditional ballast all is operation under the rated power state in whole lighting hours section, does not become power rating, can cause waste of electric energy like this.Inverted situation often appears in the power supply of electric power system and use, and when electricity consumption was in the peak period, system voltage was lower, and illumination this moment does not just need energy-conservation; When electricity consumption is in low peak period; System voltage is than higher; Generally reach more than 240 volts, illumination at this moment just needs energy-conservation, saves out the electric energy that is higher than the rated voltage part; Guaranteed that so promptly illumination outside the operation, also helps protection light fixture (because too high voltage can shorten the life-span of light source) under specified illumination.On the other hand, in the second half of the night, vehicle, pedestrian seldom, the unnecessary rated power state that operates in of the illumination of public arena can suitably reduce illumination, to save electric energy.

A kind of disclosed utility model " the HID lamp is with becoming the power energy-saving Inductive ballast " (patent No. ZL200620067394.3) is arranged; This utility model provides a kind of HID lamp with becoming power energy-saving type Inductive ballast; Include Inductive ballast, intelligent control system and electronic trigger; Wherein the secondary coil B of Inductive ballast is connected with the power firestreak end, and main coil A is connected with the power firestreak end through K switch, and electronic trigger is connected with Inductive ballast; Bulb is also connected with Inductive ballast, and capacitor C is parallelly connected with Inductive ballast.In normal working conditions, K switch is in closure state, and electric current only through main winding A, is lighted lamp under the effect of electronic trigger, and this moment, bulb was in the rated power operating state; When K switch was broken off, this moment, electric current flow through main winding A and auxiliary winding B, because the increase of inductance value, line current reduces, and bulb is in and falls the power operating state.This utility model can only become power one time, and just two-stage is regulated, and the energy saving space that two-stage is regulated is little; Two-stage is regulated and is become power in addition, and instantaneous power changes too greatly, can cause light-off.

The utility model content

The purpose of the utility model is in order to overcome above-mentioned problem, a kind of efficiency type intelligence ballast to be provided, and the utility model is simple and reliable for structure, and cost is low, has energy-efficient characteristics, and can realize three grades of adjustings.

The technical scheme that the utility model provides in order to achieve the above object is: a kind of efficiency type intelligence ballast is characterized in that: comprise ballast module and single chip control module; Said ballast module is by two coupling inductance L1; L2 and four K switch 1, K2, K3, K4 form; The annexation of these four switches and inductance is: K1, L1, K2, L2 connect successively, and (the b end of K1 is connected with first end 11 of L1; Second end 12 of L1 connects the c end of K2, first end 21 of the d termination L2 of K2), a end of first K switch 1 is input IN; Second end 22 of the second coupling inductance L2 is output OUT, and the 4th K switch 4 is connected in parallel on second end 12 of the first coupling inductance L1 and a end of first K switch 1; The 3rd K switch 3 is connected in parallel on first end 11 of the first coupling inductance L1 and first end 21 of the second coupling inductance L2, and first end 21 of first end 11 of the first coupling inductance L1 and the second coupling inductance L2 is ends of the same name.

The I/O mouth of said single chip control module connects the control end of four switches in the ballast module; Single chip control module is controlled four K switch 1, K2, the K3 of ballast module, the on-off logic state of K4 according to the control program that wherein embeds, and controls the operating state of ballast module intelligently.

Described first switch, the 3rd switch and the 4th K switch 1, K3, K4 can adopt relay or IGBT.

The combination switch that said second switch K2 can be made up of two IGBT1 and IGBT2, two fast recovery diode D1 and D2, relay; Wherein the emitter of the emitter of an IGBT1 and the 2nd IGBT2 is connected on a bit; The first fast recovery diode D1 is counter to be attempted by between the collector and emitter of an IGBT1; The second fast recovery diode D2 oppositely is attempted by between the collector and emitter of the 2nd IGBT2; Relay is connected in parallel on the collector electrode of two IGBT, and the collector electrode of an IGBT1 is the C end of combination switch K2, and the collector electrode of the 2nd IGBT2 is the D end of combination switch K2.

The utility model adopts the beneficial effect behind the such scheme:

(1) realized that three grades are regulated power, made the meticulous variation of power, when becoming power, can not turn off the light.

(2) realize becoming intelligently power energy-saving, single chip control module is according to the control program that embeds in it, and energy-conservation, sight illumination realizes suiting measures to local conditions.

(3) energy-conservation situation control is more flexible, and the energy saving space increases.

(4) protection lighting.

Description of drawings

Fig. 1 is the circuit structure schematic diagram of the utility model ballast.

Fig. 2 is that the utility model ballast is connected sketch map with power supply, light fixture.

Fig. 3 is the example structure sketch map of the K2 switch of the utility model ballast module.

Embodiment

Consult shown in Figure 1ly, the utility model comprises ballast module and single chip control module; The ballast module is made up of two coupling inductance L1, L2 and four K switch 1, K2, K3, K4; K1, L1, K2, L2 connect successively, and (the b end of K1 is connected with first end 11 of L1; Second end 12 of L1 connects the c end of K2, first end 21 of the d termination L2 of K2), a end of K1 is input IN; Second end 22 of L2 is output OUT, and K4 is attempted by second end 12 of L1 and a end of K1; K3 is attempted by first end 11 of L1 and first end 21 of L2, and first end 11 of L1 and first end 21 of L2 are ends of the same name; The I/O mouth of single chip control module connects the control end of switch in the ballast module, the on-off logic state of four switches in the single chip control module control ballast module, thus change the impedance of ballast module, realize power adjustments.

The efficiency type intelligence ballast that the utility model provides explains that in conjunction with Fig. 2 (inductance value of establishing inductance L 1 is L as follows for its operation principle and single chip control module control procedure ₁, that L2 is L ₂, L1 and L2 mutual inductance are M):

220 volts alternating current AC is linked into ballast through input IN, receives on the light fixture ballast and lamp series connection through ballast output end OUT.Begin energising, single chip control module control ballast be in one-level transfer the files (promptly be stored in be provided with in the temporal power curve table in the control program first pre-conditioned, lamp is in 100% power rating, and promptly one-level is regulated power) locate; Be that single chip control module control K1, K2 break off, K3, K4 closure, this moment, inductance L 1 was an anti-series with L2, the equivalent inductance of ballast is: L ₁+ L ₂-2M, then lamp operates in the rated power state.

When detecting, single chip control module satisfies second pre-conditioned (in the table for the first time energy-conservation state and this state time corresponding); Then controlling ballast is in secondary and transfers the files that (lamp is in power save mode; For example lamp is in 70% power rating, and this power rating also can be set according to user side's demand, and promptly secondary is regulated power) locate; When just for the first time becoming power energy-saving, and detect the 12 end place electric current I of L1 ₀During zero crossing, i.e. K2 is closed in single chip control module control, and K3 breaks off, and is the closed K2 of elder generation, breaks off K3 again; K1 continues to keep off-state, and K4 continues to be kept closed, and this moment, the equivalent inductance of ballast was L ₂, as long as L ₁Less than 2M, then the equivalent inductance at the secondary place of transferring the files is greater than the transfer the files equivalent inductance at place of one-level, and line current reduces, and lamp operates in power save mode.

Satisfy the 3rd pre-conditioned (in the table for the second time energy-conservation state and this state time corresponding) when single chip control module is checked through, control ballast and be in three grades and transfer the files that (lamp is in low energy consumption state, and for example lamp is in 40% power rating; This power rating also can be set according to user side's demand, promptly regulates power for three grades) locate, when just for the second time becoming power energy-saving; Be that Single-chip Controlling K1 is closed; K4 breaks off, and is to close K1 earlier, breaks off K4 then; K2 continues to be kept closed, and K3 continues to keep off-state; This moment, the equivalent inductance of ballast was: L ₁+ L ₂+ 2M, equivalent inductance increases than the secondary place of transferring the files, and line current further reduces, and lamp operates in further reduced power state.On-off logic state at four switches under this state lasts till lamp deenergization (after lamp was out of service, four switches returned to initial off-state naturally) out of service always.

The control flow of above-mentioned single chip control module is worked out according to routine techniques by the programming personnel of this area, and embeds in the single chip control module in advance and get final product.

The embodiment of each components and parts of the utility model is explained respectively as follows:

Inductance value L ₁, L ₂Power and fractional energy savings decision with the design considerations light fixture of the size of mutual inductance M will guarantee the normal startup and normal work of light fixture.For example: the power of light fixture is 400 watt-hours, and the inductance value of ballast is 124.2mH; When operating in 250 watt-hours, the inductance value of ballast is 191.1mH; When operating in 150 watt-hours, the ballast inductor amount is 315.3mH

K switch 1, K3, K4 all adopt conventional relay or IGBT, adopt conventional relay in the present embodiment, and model is HF3FF-24V-1ZS.The combination switch that said K switch 2 adopts two IGBT1 and IGBT2, fast recovery diode D1, D2 and relay to form; Its structure is as shown in Figure 3, and the emitter of IGBT1 and the emitter of IGBT2 are connected on a bit, and fast recovery diode D1 is counter to be attempted by between the collector and emitter of IGBT1; Fast recovery diode D2 oppositely is attempted by between the collector and emitter of IGBT2; Relay is connected in parallel on the collector electrode of two IGBT, and the collector electrode of IGBT1 is the C end of combination switch, and the collector electrode of IGBT2 is the D end of combination switch; This combination switch adopts IGBT1, IGBT2, fast recovery diode D1, D2 and relay to be conventional products; The IGBT that adopts in this example is IKW15N120T2, has comprised fast recovery diode among the IKW15N120T2, and relay is HF3FF-24V-1ZS.

The detailed process of the closure of the utility model K switch 2 embodiment is following:

Be elder generation's closed IGBT, closing relay more in general.Concrete situation is: if detect the 12 end place electric current I of L1 ₀Be during from negative half period to positive half cycle zero crossing, open-minded IGBT1, if detect the 12 end place electric current I of L1 ₀Be during from positive half cycle to the negative half period zero crossing, open-minded IGBT2; After opening fully (voltage between the collector and emitter of IGBT is less than 3 volts) Deng IGBT1 or IGBT2, entire circuit is opened fully, again the control relay switch closure.

The single chip control module of the utility model embeds control program in advance, is used for controlling the on-off logic state of four K switch 1, K2, K3, K4.Single-chip microcomputer adopts STM8S207R6 in this example.

The power of the lamp of the utility model and running time curve table embodiment (this table is used for the high-voltage gas discharging light HID of road lighting) as shown in table 1:

Table 1

Time in this table and lamp operate power state all will be formulated according to user side's demand.For example the user side needs fractional energy savings high, just shifts to an earlier date the energy-conservation time, and corresponding lamp operate power reduces, otherwise then anti-.

Claims

1. an efficiency type intelligence ballast is characterized in that: comprise ballast module and single chip control module; Said ballast module is by two coupling inductance L1; L2 and four K switch 1, K2, K3, K4 form; The annexation of these four switches and inductance is: K1, L1, K2, L2 connect successively; The a end of first K switch 1 is input IN, and second end 22 of the second coupling inductance L2 is output OUT, and the 4th K switch 4 is connected in parallel on second end 12 of the first coupling inductance L1 and a end of first K switch 1; The 3rd K switch 3 is connected in parallel on first end 11 of the first coupling inductance L1 and first end 21 of the second coupling inductance L2, and first end 21 of first end 11 of the first coupling inductance L1 and the second coupling inductance L2 is ends of the same name; The I/O mouth of said single chip control module connects the control end of four switches in the ballast module.

2. ballast module according to claim 1 is characterized in that, the combination switch that said second switch K2 is made up of two IGBT1 and IGBT2, two fast recovery diode D1 and D2, relay; Wherein the emitter of the emitter of an IGBT1 and the 2nd IGBT2 is connected on a bit; The first fast recovery diode D1 is counter to be attempted by between the collector and emitter of an IGBT1; The second fast recovery diode D2 oppositely is attempted by between the collector and emitter of the 2nd IGBT2; Relay is connected in parallel on the collector electrode of two IGBT, and the collector electrode of an IGBT1 is the C end of combination switch K2, and the collector electrode of the 2nd IGBT2 is the D end of combination switch K2.