CN201742629U - Novel energy-saving lamp - Google Patents
Novel energy-saving lamp Download PDFInfo
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- CN201742629U CN201742629U CN2010202609810U CN201020260981U CN201742629U CN 201742629 U CN201742629 U CN 201742629U CN 2010202609810 U CN2010202609810 U CN 2010202609810U CN 201020260981 U CN201020260981 U CN 201020260981U CN 201742629 U CN201742629 U CN 201742629U
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Abstract
The utility model relates to a novel energy-saving lamp with the function of heat dissipation. The lamp comprises a power circuit, a fluorescent tube, as well as an electronic ballast circuit connected between the power circuit and a filament of the fluorescent tube, wherein the electronic ballast circuit includes a bridge rectifier circuit, a half-bridge circuit connected with the bridge rectifier circuit, and a high-frequency oscillating circuit further connected with the half-bridge circuit. The utility model has the advantages that the thick film circuit technique is introduced into the circuit of the energy-saving lamp, that is, electronic elements of the high-frequency oscillating circuit are directly printed on a ceramic substrate and then sintered and welded to form the high-frequency oscillating circuit, so as to save the manufacturing cost, improve the heat dissipating effect and stability of the circuit, and further achieve a better operational performance of the whole energy-saving lamp.
Description
Technical field
The utility model relates to a kind of lighting device, is specifically related to a kind of novel electricity-saving lamp.
Background technology
Progress, science and technology development along with society, people also pay close attention to energy-conserving and environment-protective all the more, therefore, common incandescent lamp is higher by luminous efficiency gradually, the lower various electricity-saving lamp of power consumption substitutes, in the market half-bridge inversion circuits that use are half-bridge circuit collocation high-frequency oscillating circuits exploitation electricity-saving lamp more, but this circuit is owing to adopt magnetic element, consistency is difficult to control, electronic components such as employed triode, diode are serious with the continuous variation heating of temperature, voltage in the high-frequency oscillating circuits, very easily cause electronic component to damage.In addition, adopt discrete component because components and parts too much cause the fabric swatch difficulty, the difficult control of production technology finally can cause the reduction of electricity-saving lamp reliability.
The day for announcing is that the electricity-saving lamp that April 19, notification number in 2006 are CN2774068Y discloses such technical scheme: it comprises power circuit and circuit of electronic ballast, and circuit of electronic ballast comprises full-wave bridge rectifier circuit, half-bridge circuit, high frequency oscillation circuit, the fluorescent tube in parallel with full-wave rectifying circuit; Be connected with circuit of LED by switch on the power circuit, described circuit of LED comprises voltage stabilizing didoe, filter capacitor, the light-emitting diode that is connected in parallel on the power circuit end.Though this electricity-saving lamp has prolonged useful life, saved the energy, still there is shortcoming in this utility model, and triode, diode easily generate heat in this electricity-saving lamp, it is not carried out the protection of respective degrees.In addition, because the element that adopts is too much, difficulty is big when carrying out element assembling welding, and the workload height can not guarantee the electricity-saving lamp working life, has reduced the reliability of electricity-saving lamp.
The utility model content
The utility model provides a kind of electricity-saving lamp, in order to solve the shortcoming that the ballast circuit design is complicated, reliability is low of existing energy-saving lamp circuit, has introduced thick film circuit in energy-saving lamp circuit, has simplified design, has saved cost of manufacture.
At the problems referred to above, the technical solution adopted in the utility model is:
A kind of novel energy-conserving lamp, comprise power circuit, fluorescent tube and be connected on power circuit and fluorescent tube filament between circuit of electronic ballast, circuit of electronic ballast comprises bridge rectifier, the half-bridge circuit that links to each other with bridge rectifier and be connected on half-bridge circuit after high-frequency oscillating circuits, high-frequency oscillating circuits comprises first resistance, the charging circuit that second resistance and the 3rd capacitor are formed, also comprise by first triode and first base resistance thereof, first emitter resistance and second triode and second base resistance thereof, the tandem transistor circuit that second emitter resistance constitutes, first resistance, second resistance, the 3rd capacitor is connected back successively and is attached between first output line and second output line, second resistance, the series connection node of the 3rd capacitor and tandem transistor circuit connect that forward is connected to the 5th diode between the node, second resistance, be connected to diac between the series connection node of the 3rd capacitor and second diode, be connected to the 6th diode between the negative pole of the base stage of first triode and the 5th diode, be connected to the 7th diode between the base stage of second triode and second output line, high-frequency oscillating circuits is by printing, burn till welding sequence and be arranged in formation one thick film circuit on the substrate 1.
With respect to old technology, the utility model is welded on high-frequency oscillating circuits on the substrate by printing, burning till, thereby makes the circuit unit with high-frequency oscillating circuits function, and this circuit unit is thick film circuit.The manufacture craft of thick film circuit is very ripe, simple for production now, efficiently solves the problem of fabric swatch difficulty, employed complicated technology before having saved and the great number cost that brings.Simultaneously, because the substrate that thick film circuit adopts is a ceramic substrate, ceramic substrate can play the function of heating panel, and the electronic component in the high-frequency oscillating circuits all adopts wafer directly to encapsulate, and has improved heat sinking function, has improved the stability of electricity-saving lamp work.
For technique scheme, there am further optimized Measures in we, as optimization, oppositely be connected to first coil of pulse transformer between the negative pole of first base resistance and the 5th diode, forward is connected to second coil of pulse transformer between second base resistance and second output line, the backward end of the tertiary coil of pulse transformer is connected on the node of first coil and the 5th diode, the in-phase end of tertiary coil is connected and is inserted a filament of fluorescent lamp behind the choke, and first transmission line is connected and inserted another root filament of fluorescent lamp behind the capacitance.
As optimization, be connected to take-off electric capacity and thermistor parallel with one another between two filaments of fluorescent lamp.The work that is arranged so that electricity-saving lamp of take-off electric capacity and thermistor is more stable, and when lamp hole temperature is too high electricity-saving lamp is realized protection.
As optimization, the Standard resistance range of the 7th resistance, the 8th resistance is 30 ohm to 100 ohm.Be controlled at resistance in this scope behind place in circuit, the current stabilization in the circuit and do not influence the normal use of components and parts in the circuit can guarantee the stable and performance of circuit, can not influence the overall work of electricity-saving lamp.
As optimization, be provided with fuse between power circuit and circuit of electronic ballast.
In terms of existing technologies, this practical advantage is: at problems such as common energy-saving lamp circuit medium-high frequency oscillating circuit fabric swatch difficulty, complex manufacturing technology, poor radiation, in the electricity-saving lamp circuit, introduce the technology of thick film circuit, with the electronic component in the high-frequency oscillating circuits by directly being printed on the ceramic substrate, promptly plastic through burning till welding again, so not only saved cost of manufacture, and strengthened the heat sinking function of circuit, improve the stability of circuit, and then improved the serviceability of the whole lamp of electricity-saving lamp.
Description of drawings
Fig. 1 is the operating circuit schematic diagram of electricity-saving lamp;
Fig. 2 is the structural representation of novel energy-conserving lamp described in the utility model;
Wherein: FU, fuse; D1-D4, rectifier diode; C1, filter capacitor; L1, I-shaped inductance; C2, electrochemical capacitor; T1-T2, triode; C3, charging capacitor; C4, hold stream electric capacity; DB3, diac; D5, the diode of releasing; D6-D7, acceleration diode; R1-R6, resistance; R7, thermistor; TK, pulse transformer; L3, choke; C5, capacitance; C6, take-off electric capacity.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
The circuit theory diagrams of the utility model electricity-saving lamp as shown in Figure 1, electricity-saving lamp comprise power circuit, fluorescent tube and be connected on power circuit and fluorescent tube filament between circuit of electronic ballast, the high-frequency oscillating circuits after above-mentioned circuit of electronic ballast comprises bridge rectifier, the half-bridge circuit that links to each other with bridge rectifier and is connected on half-bridge circuit.
As shown in Figure 1, the power circuit of electricity-saving lamp inserts the bridge rectifier of being made up of diode D1, D2, D3, D4 through a fuse FU, the electric main that inserts is become the 310V direct current, the gained direct current is added in the half-bridge circuit two ends again, half-bridge circuit comprises the I-shaped inductance L 1 and the first capacitor C1, circuit is divided into two-way transmission line a, b by after the half-bridge circuit output, between two-way transmission line a, b and be connected with an electrochemical capacitor C2, is provided with high-frequency oscillating circuits between two transmission line a, b.High-frequency oscillating circuits comprises first resistance R 1, the charging circuit that second resistance R 2 and the 3rd capacitor C3 form, also comprise by the first triode T1 and the first base resistance R3 thereof, the first emitter resistance R5 and the second triode T2 and the second base resistance R4 thereof, the tandem transistor circuit that the second emitter resistance R6 constitutes, first resistance R 1, second resistance R 2, the 3rd capacitor C3 connects back successively and is attached between the first output line a and the second output line b, second resistance R 2, the series connection node of the 3rd capacitor C3 and tandem transistor circuit connect that forward is connected to the 5th diode between the node, second resistance R 2, be connected to diac DB3 between the series connection node of the 3rd capacitor C3 and the second diode T2, be connected to the 6th diode D6 between the negative pole of the base stage of the first triode T1 and the 5th diode D5, be connected to the 7th diode D7 between the base stage of the second triode T2 and the second output line b.
Between the negative pole of first above-mentioned base resistance R3 and the 5th diode D5, oppositely be connected to the first coil L2-1 of pulse transformer TK, forward is connected to the second coil L2-2 of pulse transformer TK between the second base resistance R4 and the second output line b, the backward end of the tertiary coil L2-3 of pulse transformer TK is connected on the node of the first coil L2-1 and the 5th diode D5, the in-phase end of tertiary coil L2-3 is connected and is inserted a filament of fluorescent lamp behind the choke L3, and the first transmission line a connects and inserts another root filament of fluorescent lamp behind the capacitance C5.Be connected to take-off capacitor C 6 parallel with one another and thermistor R9 between two filaments between two filaments of fluorescent lamp.
As shown in Figure 2, triode T1, T2, charging capacitor C3, hold stream capacitor C 4, diac DB3, diode D5 releases, quicken diode D6, D7, resistance R 1-R6, thermistor R7, pulse transformer TK, the electronic devices and components that choke L3 etc. constitute high-frequency oscillating circuits at first encapsulate by wafer, make a printed circuit board (PCB) according to the foregoing circuit principle, on printed circuit board (PCB), be connected by the Copper Foil on the printed circuit board (PCB) between the electronic devices and components through the Electronic element arrangement after the encapsulation.Above-mentioned printed circuit board (PCB) adopts pottery as baseplate material, and printed circuit is located on the substrate 1.
During electricity-saving lamp work, after bridge rectifier filtering, obtain 310V left and right sides direct voltage, be added in the half-bridge circuit two ends, after the dividing potential drop charging, the DB3 triggering and conducting makes the half-bridge inversion circuit starting of oscillation, and lamp tube ends produces high-frequency and high-voltage, makes the fluorescent tube ignition operation.Two release diode D6, D7 are that high-frequency oscillating circuits is set up a high speed leakage path, thereby guarantee that circuit is stable.
Claims (4)
1. novel energy-conserving lamp, comprise power circuit, fluorescent tube and be connected on power circuit and fluorescent tube filament between circuit of electronic ballast, it is characterized in that, described circuit of electronic ballast comprises bridge rectifier, the half-bridge circuit that links to each other with bridge rectifier and be connected on half-bridge circuit after high-frequency oscillating circuits, described high-frequency oscillating circuits comprises first resistance (R1), the charging circuit that second resistance (R2) and the 3rd capacitor (C3) are formed, also comprise by first triode (T1) and first base resistance (R3) thereof, first emitter resistance (R5) and second triode (T2) and second base resistance (R4) thereof, the tandem transistor circuit that second emitter resistance (R6) constitutes, described first resistance (R1), second resistance (R2), the 3rd capacitor (C3) is connected back successively and is attached between first output line (a) and second output line (b), second resistance (R2), the series connection node of the 3rd capacitor (C3) and described tandem transistor circuit connect that forward is connected to the 5th diode between the node, second resistance (R2), be connected to diac (DB3) between the series connection node of the 3rd capacitor (C3) and described second diode (T2), be connected to the 6th diode (D6) between the negative pole of the base stage of described first triode (T1) and the 5th diode (D5), be connected to the 7th diode (D7) between the base stage of described second triode (T2) and second output line (b), described high-frequency oscillating circuits is by printing, burn till welding sequence and be arranged in upward formation one thick film circuit of substrate (1).
2. a kind of novel energy-conserving lamp according to claim 1, it is characterized in that, oppositely be connected to first coil (L2-1) of pulse transformer (TK) between the negative pole of described first base resistance (R3) and the 5th diode (D5), forward is connected to second coil (L2-2) of pulse transformer (TK) between described second base resistance (R4) and second output line (b), the backward end of the tertiary coil (L2-3) of pulse transformer (TK) is connected on the node of first coil (L2-1) and the 5th diode (D5), a filament of fluorescent lamp is inserted in a connect choke (L3) back of the in-phase end of described tertiary coil (L2-3), and another root filament of fluorescent lamp is inserted in described first transmission line (a) series connection one capacitance (C5) back.
3. a kind of novel energy-conserving lamp according to claim 1 and 2 is characterized in that, is connected to take-off electric capacity (C6) parallel with one another and thermistor (R7) between two filaments of described fluorescent lamp.
4. a kind of novel energy-conserving lamp according to claim 1 is characterized in that, is provided with fuse (FU) between described power circuit and circuit of electronic ballast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202609810U CN201742629U (en) | 2010-07-16 | 2010-07-16 | Novel energy-saving lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202609810U CN201742629U (en) | 2010-07-16 | 2010-07-16 | Novel energy-saving lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201742629U true CN201742629U (en) | 2011-02-09 |
Family
ID=43557908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202609810U Expired - Fee Related CN201742629U (en) | 2010-07-16 | 2010-07-16 | Novel energy-saving lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201742629U (en) |
-
2010
- 2010-07-16 CN CN2010202609810U patent/CN201742629U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110209 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |