CN201726581U

CN201726581U - Intelligent electronic ballast

Info

Publication number: CN201726581U
Application number: CN2010201439278U
Authority: CN
Inventors: 邱明
Original assignee: Lumlux Lighting Suzhou Inc
Current assignee: Lumlux Lighting Suzhou Inc
Priority date: 2010-03-29
Filing date: 2010-03-29
Publication date: 2011-01-26
Anticipated expiration: 2020-03-29

Abstract

The utility model discloses an intelligent electronic ballast, which has the function of adaptation to various dimming modes, status indication function and the like through improved circuit and mechanical structure. The intelligent electronic ballast comprises a metal housing and a power driver module circuit structure installed in the metal housing, wherein the module circuit structure comprises a single-chip microcomputer control circuit, an input power factor correcting circuit, a resonance circuit and a power drive circuit which are integrated on the same circuit board; and an input control panel and a status display unit circuit are connected to the metal housing and are respectively connected with the single-chip microcomputer control circuit in a signal transmission way. The utility model adopts a single-chip microcomputer fuzzy control module and LED status indication, on one hand, the output power can be arbitrarily controlled, on the other hand, the functions of displaying product defect, lamp bulb failure, power status and the like can be achieved through an LED indicating lamp, therefore the product practicability is improved; in addition, the adoption of the metal housing integrated with heat radiation, aesthetics is realized.

Description

Intelligent electric ballast

Technical field

The utility model relates to a kind of auxiliary equipment of electric lighting, relates in particular to a kind of high-intensity gas discharge lamp of power 1000W and electric ballast with intelligent adjusting function of being applicable to.

Background technology

In the low-carbon economy epoch, the green energy conservation electronic ballast of high intensity gas discharge lamp has obtained developing fast and promoting, electric ballast is applied to more and more widely every field with its superior performance, as fields such as plantation, commerce and road lightings, different application proposes higher requirement to ballast function.At present, electric ballast will adapt to development of times, with regard to using new technology, new scheme product is upgraded, and uses Intelligent Fuzzy Control, and the technology of dimming energy-saving is imperative.

Traditional electric ballast (as described in Figure 2) simple in structure, its birth are to be the replacement Inductive ballast, and its function and Inductive ballast are similar.But there is weak point in conventional electronic ballast on function, and specifically: at first power output is fixing can not dimming energy-saving, and next does not have operating state and shows and the brightness adjustment control panel.

In addition, the circuit theory schematic diagram of traditional half-bridge resonance formula high-frequency ac electric ballast as shown in Figure 1.As a rule: conventional electronic ballast is the half-bridge structures that use on circuit more, and the power output of circuit is less than normal relatively.These shortcomings become the use bottleneck of electric ballast in each application, have limited the application and the popularization of this product.

Summary of the invention

In view of the defective that above-mentioned prior art exists, the purpose of this utility model is to propose a kind of intelligent electric ballast, by the improvement of circuit and mechanical structure, makes this ballast have the dimming function that adapts to multiple mode, and has state deixis etc.

The purpose of this utility model will be achieved by the following technical programs:

A kind of intelligent electric ballast, comprise the metal shell of heat transmission and be installed in the interior power driver module circuit structure of metal shell, it is characterized in that: described modular circuit structure comprises the single chip machine controlling circuit that is integrated on the same circuit board, the input power factor correcting circuit, resonant circuit and power conversion circuit, import control panel and status display unit circuit and on described metal shell, be equipped with, link to each other with the single chip machine controlling circuit signal respectively, constitute one and have response user outside and control, the memory setting power is also adjusted the intelligent electric sub-ballast of power output.

Further, aforesaid intelligent electric ballast, wherein the front end of this electric ballast modular circuit structure also is provided with anti-electromagnetic interference and the Electro Magnetic Compatibility circuit of being made up of filter and electric capacity.

Further, aforesaid intelligent electric ballast, wherein this power conversion circuit is the full-bridge type structure, under the same switch tube current, power output is greater than the power output of semibridge system power conversion circuit.

Further, aforesaid intelligent electric ballast, wherein the taproot of this input power factor correcting circuit is the active power chip of tool power factor correction.

Further, aforesaid intelligent electric ballast, wherein this input control panel comprises the physical manipulation interface of band button or toggle, full touch-screen type operation and control interface or infrared signal receive window.For last a kind of infrared signal receive window, this infrared signal receive window links to each other with single chip machine controlling circuit, the direct signal transmission.

Further, aforesaid intelligent electric ballast, wherein this status display unit circuit is meant at least two LED lamps that are embedded and are exposed to the metal shell outside, the identical or mutual difference of the color of described those LED lamps.

Further, aforesaid intelligent electric ballast, wherein at least one side external surface processing of this metal shell is provided with the radiator structure of aperture plate or fin shape.

After intelligent electric ballast technical scheme of the present utility model was used, its outstanding effect was:

In conventional electronic ballast, set up the indication of intelligent fuzzy microcontroller control module and led state, make power output have any adjustability on the one hand, have on the other hand with the function of LED light, improved the practicality of product demonstrations such as product bug, bulb malfunction and power ratings; In addition, adopt heat-radiating integrated metal shell structure, make product have characteristic attractive in appearance concurrently.

Following constipation closes the embodiment accompanying drawing, embodiment of the present utility model is described in further detail, so that technical solutions of the utility model are easier to understand, grasp.

Description of drawings

Fig. 1 is the electrical block diagram of conventional electronic ballast;

Fig. 2 is the mounting structure schematic diagram that conventional electronic ballast splits;

Fig. 3 is the principle schematic of the utility model electric ballast full-bridge resonance;

Fig. 4 is the electrical block diagram of the utility model electric ballast;

Fig. 5 is the mounting structure schematic diagram that the utility model electric ballast splits.

Wherein the implication of each Reference numeral is as follows:

1～heat radiation loam cake; 2～heat radiation lower cover; 3～sealing ring; 4～end cap; 5～outer serrated lock washer; 6～interior quincunx coiled hair cuts the tail self-tapping screw; 7～pad pin; 8～end cap; 9～handle; 10～pad pin; 11～cross recess round end screw rod; 12～normal type single coil spring lock washer; 13～plain washer; 14～hex nut; 15～American round plug power line; 16～cableties; 17～Cruciform slot panhead screw; 18～hex nut; 19～socket; 20～overload protective device; 21～control panel; 22～waterproof washer; 23～pcb board

Embodiment

The utility model can only drive the illuminating equipment of single power at conventional electronic ballast, and its labor aptitude is comparatively inflexible, and range of application is subjected to very big restriction, has proposed a kind of intelligentized electric ballast.It comprises the metal shell of heat transmission and is installed in the interior power driver module circuit structure of metal shell, it is characterized in that: described modular circuit structure comprises single chip machine controlling circuit, input power factor correcting circuit, resonant circuit and the power conversion circuit that is integrated on the same circuit board, import control panel and status display unit circuit and on described metal shell, be equipped with, link to each other with the single chip machine controlling circuit signal respectively, constitute one and have the intelligent electric sub-ballast that response user outside was controlled, remembered setting power and adjusts power output.

On mechanical structure: at least one side external surface processing of this metal shell is provided with the radiator structure of aperture plate or fin shape, the heat radiation loam cake 1, heat radiation lower cover 2, sealing ring 3, end cap 4 and the end cap 8 that comprise mutual assembling cut tail self-tapping screw 6 by outer serrated lock washer 5 and interior quincunx coiled hair and are fitted to each other and form; In addition, be equipped with pad pin 7 respectively around this metal shell bottom, pad pin 10 dresses are inserted on the handle 9 and by cross recess round end screw rod 11, normal type single coil spring lock washer 12, plain washer 13 and hex nut 14 it are secured to the end face of metal shell; And there is an American round plug power line 15 side of metal shell and inside by cableties 16 attachings; by Cruciform slot panhead screw 17 and hex nut 18 socket and control panel 21 thereof, waterproof washer 22 are fixed on the shell side respectively, overload protective device 20 is fixed on side etc. by its supporting hex nut.

From circuit structure:

The front end of above-mentioned electric ballast modular circuit structure also is provided with anti-electromagnetic interference and the Electro Magnetic Compatibility circuit of being made up of filter and electric capacity; This power conversion circuit is the full-bridge type structure, and under the same switch tube current, power output is greater than the power output of semibridge system power conversion circuit, and the taproot of this input power factor correcting circuit is the active power chip of tool power factor correction.

This input control panel comprises the physical manipulation interface of band button or toggle, full touch-screen type operation and control interface or infrared signal receive window.For last a kind of infrared signal receive window, this infrared signal receive window links to each other with single chip machine controlling circuit, the direct signal transmission.

This status display unit circuit is meant at least two LED lamps that are embedded and are exposed to the metal shell outside, the identical or mutual difference of the color of described those LED lamps.Particularly:

The intelligent dimming control unit

Button and display module circuit select for use the PIC16F628A single-chip microcomputer of Microchip company as microcontroller.Microcontroller is the brain of whole ballast circuit, plays storage and control action.After it receives the information of button, it is judged, and carry out the order of response; When button needed light modulation, its CCP port output pwm pulse by the RC low-pass filter circuit, was realized the output of 0.5V～5V level.PIC16F628 has 4 I/O ports to connect the LED indication, shows power rating and running status that output is corresponding.The power parameter of setting all leaves in the EEPROM data storage, still exists to guarantee these parameters of outage back, powers on next time and calls again.PIC16F628 has 2 I/O ports to detect the ballast operating state, and whether pilot bulb and ballast work is normal.

Input filtering and circuit of power factor correction

Input front end mainly is an EMC Design, electromagnetic interference (EMI) and the Electromagnetic Compatibility circuit formed by filter and electric capacity, the rear end is that this employing Active Power Factor Correction (APFC) improves power factor circuit, utilize ST company the L4981A chip design APFC circuit, the APFC circuit working is under the continuous current pattern, be the Average Current Control mode, can realize the input current sineization by it, make electric current and voltage same-phase,, reaching the purpose of power factor correction, the APFC circuit produces the voltage of voltage regulation of 400V, and the guaranteed output factor reaches more than 0.99, and power guarantees constant under the product adaptation 120-240V input voltage.

Output power controlling circuit

What adopt is the full-bridge resonant circuit of forming with SG3525, the direct voltage of its input is 400V, drive the frequency alternate conduction of field effect transistor about with 50kHz, the LC series resonant circuit that resonant tank is made up of choke induction L4 and startup capacitor C 12, capacitance C11, output chip for driving concussion frequency changes when the 0-5V voltage of dimming controlling module output, the output negative current will and reduce along with the frequency increase, power output changes, and has realized the brightness adjustment control of circuit to high-intensity gas discharge lamp.

More than be detailed description, be intended to deepen the utility model is innovated the understanding of essence the utility model architectural feature and technological effect.But above content described in detail only provides as example; be not to limit the utility model various ways with this; so all anyly simple modification that this embodiment did and equivalence are replaced based on the technical program; formed technical scheme all should belong within the scope of asking for protection of the present invention.

Claims

1. intelligent electric ballast, comprise the metal shell of heat transmission and be installed in the interior power driver module circuit structure of metal shell, it is characterized in that: described modular circuit structure comprises the single chip machine controlling circuit that is integrated on the same circuit board, the input power factor correcting circuit, resonant circuit and power conversion circuit, import control panel and status display unit circuit and on described metal shell, be equipped with, link to each other with the single chip machine controlling circuit signal respectively, constitute one and have response user outside and control, the memory setting power is also adjusted the intelligent electric sub-ballast of power output.

2. intelligent electric ballast according to claim 1 is characterized in that: the front end of described electric ballast modular circuit structure also is provided with anti-electromagnetic interference and the Electro Magnetic Compatibility circuit of being made up of filter and electric capacity.

3. intelligent electric ballast according to claim 1 is characterized in that: described power conversion circuit is the full-bridge type structure, and under the same switch tube current, power output is greater than the power output of semibridge system power conversion circuit.

4. intelligent electric ballast according to claim 1 is characterized in that: the taproot of described input power factor correcting circuit is the active power chip of tool power factor correction.

5. intelligent electric ballast according to claim 1 is characterized in that: described input control panel comprises the physical manipulation interface of band button or toggle, full touch-screen type operation and control interface or infrared signal receive window.

6. intelligent electric ballast according to claim 5 is characterized in that: described infrared signal receive window links to each other with single chip machine controlling circuit, the direct signal transmission.

7. intelligent electric ballast according to claim 1 is characterized in that: described status display unit circuit is meant at least two LED lamps that are embedded and are exposed to the metal shell outside, the identical or mutual difference of the color of described those LED lamps.

8. intelligent electric ballast according to claim 1 is characterized in that: at least one side external surface processing of described metal shell is provided with the radiator structure of aperture plate or fin shape, comprises loam cake and cavity of resorption that sealing covers.