CN201928500U - Integrated circuit of low-frequency electrodeless lamp - Google Patents
Integrated circuit of low-frequency electrodeless lamp Download PDFInfo
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- CN201928500U CN201928500U CN2011200044266U CN201120004426U CN201928500U CN 201928500 U CN201928500 U CN 201928500U CN 2011200044266 U CN2011200044266 U CN 2011200044266U CN 201120004426 U CN201120004426 U CN 201120004426U CN 201928500 U CN201928500 U CN 201928500U
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Abstract
The utility model discloses an integrated circuit of a low-frequency electrodeless lamp, which comprises an input signal comparator, a digital gate array, an error comparator and a trigger. The input signal comparator is connected with the trigger by the aid of an adjustor; the digital gate array is connected with the trigger by the aid of a voltage control oscillator; the error comparator is divided into two paths of output after being externally connected with an abnormal protection circuit; one path of output is connected into the voltage control oscillator; the other path of the output is connected into the trigger; the trigger is respectively externally connected with a high-voltage driver and a low-voltage driver; and both the high-voltage driver and the low-voltage driver are externally connected with a field effect transistor. The circuit structure is an HB0809 integrated circuit, meets the demands of a matched lamp tube and realizes optimal photoelectric parameters of the lamp tube. In addition, the lighting effect of the whole lamp is improved and the service life of the whole lamp is prolonged by the aid of the parameters such as optical property parameters of the lamp tube, the operating temperature of a magnetic ring, the power of the lamp tube, the diameter of the lamp tube, the length of a loop of the lamp tube and the like.
Description
Technical field
The utility model relates to the low frequency electrodeless circuit for lamp, is specifically related to a kind of low frequency electrodeless circuit for lamp of the HB0809 of employing integrated circuit.
Background technology
Whether the low frequency electrodeless lamp collection has filament, the light efficiency height, and lamp tube service life is long, light decay is little, the color rendering index height, the advanced light source of many advantages such as power bracket is big can be widely used in the place that family, factory building, office space, road, engineering construction building site, particularly fluorescent tube should not change.Because electrodeless lamp belongs to electrodeless startup and lights, fluorescent tube is not existed because of filament damages or the electronics powder launch, and the sputter of electronics powder makes problem such as fluorescent tube blackout and causes and put in order the phenomenon that lamp is scrapped, put in order the lamp life-span to prolong greatly.
The electric ballast of electrodeless lamp in the market generally all is made up of discrete component.At higher-order of oscillation drive part: adopt half-bridge voltage feed series connection push-pull inverter circuit, by outputting inductance and resonance capacitances in series, when resonance took place, the resonant capacitance two ends produced instantaneous pressure, activated in the fluorescent tube mercury ion and lighted fluorescent tube.The generation of resonance can not spontaneously be finished, and must increase the start-up circuit of being made up of resistance, electric capacity and bidirectional diode in circuit provides trigger impulse just can cause vibration.The increase of element has reduced the reliability of work, and three windings by the impulse hunting transformer intercouple and produce two high-frequency pulse square waves that phase place is opposite, make the field effect transistor cycling switch, and electrodeless lamp fluorescent tube can operate as normal.Electrodeless lamp fluorescent tube be output loading be again the critical elements of forming resonant circuit, the performance of fluorescent tube becomes a key factor that influences circuit working.On the one hand because fluorescent tube is the part of oscillation circuit, the difference that the fluorescent tube pipe is pressed must cause the change of frequency of oscillation, and the design of electrodeless lamp electronic ballast is all based on a constant frequency, the change of frequency of oscillation can make the performance of ballast and efficient reduce, and can have influence on startup and the work that its life-span has influence on electrodeless lamp fluorescent tube simultaneously, meanwhile the switching time of power switch pipe is long in the sort circuit, cause switching loss excessive, to low frequency electrodeless lamp, switching loss may become the part of ballast loss maximum especially.So the driver circuit that discrete component is formed is to pin down mutually, and too simple in the circuit processing, the reliability of integrated circuit is relatively poor relatively.The electronic ballast circuit of discrete component because consider the cost and the restriction that is subjected to local space of product, avoids discrete component too much, so generally do not have common abnormal defencive function such as short circuit, open circuit, activation, overvoltage etc.
The utility model content
The purpose of this utility model provides a kind of low frequency electrodeless lamp integrated circuit, according to the overall dimension of electrodeless lamp fluorescent tube and the optical parameter index of fluorescent tube, adjust the peripheral circuit of electrodeless lamp electronic ballast, mate and satisfy fluorescent tube, realize the optimum state of fluorescent tube photoelectric parameter, improve whole light in conjunction with the parameters such as loop length of the caliber size of working temperature, power of lamp tube and the fluorescent tube of fluorescent tube optical property parameter, magnet ring and fluorescent tube and imitate and the life-span.
The technical solution of the utility model is as follows:
A kind of low frequency electrodeless lamp integrated circuit, include input signal comparator, digital gate array, error comparator and trigger, it is characterized in that: described signal comparator is connected with described trigger by adjuster, described digital gate array is connected with described trigger by voltage controlled oscillator, be divided into two tunnel outputs behind the external abnormity protection circuit of described error comparator, wherein one tunnel output inserts described voltage controlled oscillator, and another road output inserts described trigger; Described trigger is external high-pressure side driver and low side driver respectively, the common external field effect transistor of described high-pressure side driver and low side driver.
The utility model is based on following principle:
Because electrodeless lamp has himself, the fluorescent tube of electrodeless lamp must operate under the high frequency state of hundreds of KHZ, and higher operating frequency requires the performance of electric ballast has been proposed harsher requirement.Must be enough low as the loss on each electronic devices and components of circuit, the temperature on the components and parts must strictly be controlled, and must there be enough assurances in the components and parts life-span.It is inevitable that the proposition of these problems makes that electrodeless lamp adopts integrated circuit technique to become.The low energy consumption of integration integrated circuits, long-life, stable performance make electrodeless lamp can be efficiently, stably work.The circuit that discrete element such as integrated circuit and transistor is unified into compares, and volume is littler, and is in light weight, and power consumption is littler, on processing technology, has reduced the welding of circuit, so the circuit that a large amount of head and shoulders above discrete components of the cost performance of integrated circuit are formed.Integrated circuit has replaced a large amount of periphery circuits, obviously reduces buying, storage and processing cost in addition, and the life-span of product also is one of most important character of more paying close attention to of this product.The life-span of this product depends primarily on electronic circuit reliability.Because of being drawn, the reliability of system is important technical indicator, must pay attention to the design of circuit reliability, variation along with electrodeless lamp function, discrete component kind and quantity increase are very fast, for adapting to various adverse circumstances, comprise high and low temperature, high humility, impact etc., central topic at first is a reliability on the circuit.To the analysis of electronic product reliability, take the measure of enough raising system reliabilities according in the world, the most effective is the integrated of electronic devices and components.Reduce component number from several thousand to several, the reliability of circuit is multiplied each other by each element, cumulative reliability R=R1*R2*R3 ... RN(0≤R≤1), so electrodeless relatively lamp electronic ballast adopts integrated circuit technique, the failure rate of system will reduce greatly.Circuit is simple, components and parts are few, function is many, can industrialization, commercialization must rely on integrated circuit technique.Therefore, have only the application of integrated circuit technique success, illuminating product just can be developed by leaps and bounds fast.The reliable electronic ballast circuit of function admirable must rely on integrated circuit technique, and it is all multi-functional to replace several thousand discrete components to realize with an integrated circuit.Along with the illumination development of science and technology, following illuminator will be to be easy to adapt to user's request system that change and that fully-integrated function is arranged, rather than with the combined system of a collection of discrete component.The combined system of discrete component is the electronic circuit that is linked up by various discrete components.Integration integrated circuits is manufactured on each element of entire circuit and connection each other on the one block semiconductor integrated circuit for discrete circuit exactly simultaneously, forms an indivisible integral body.Microelectronic developing rapidly, integrated circuit technique are applied in various technical fields just day by day.Integration integrated circuits is replacing discrete component circuit gradually, has broken the method for designing of discrete component and discrete circuit, has realized the unified mutually of material, element and circuit.
The beneficial effects of the utility model:
The utility model circuit structure is the HB0809 integrated circuit, according to the overall dimension of electrodeless lamp fluorescent tube and the optical parameter index of fluorescent tube, adjust the peripheral circuit of electrodeless lamp electronic ballast, satisfied the demand of coupling fluorescent tube, realized the optimum state of fluorescent tube photoelectric parameter; In addition, the utility model is in conjunction with working temperature, power of lamp tube, the caliber size of fluorescent tube and the parameters such as loop length of fluorescent tube of fluorescent tube optical property parameter, magnet ring, the light efficiency and the life-span of having improved whole lamp.
Description of drawings
Fig. 1 is the utility model circuit structure block diagram.
Embodiment
Referring to Fig. 1, a kind of low frequency electrodeless lamp integrated circuit, include input signal comparator, digital gate array, error comparator and trigger, signal comparator is connected with described trigger by adjuster, digital gate array is connected with trigger by voltage controlled oscillator, be divided into two tunnel outputs behind the external abnormity protection circuit of error comparator, wherein one tunnel output inserts described voltage controlled oscillator, and another road output inserts described trigger; Trigger is external high-pressure side driver and low side driver respectively, and high-pressure side driver and low side driver are respectively by high-pressure side driver output pin G1 and the common external field effect transistor of low side driver output pin G2.
Each assembly of the utility model circuit is powered by the VDD power supervisor.
Below in conjunction with accompanying drawing this practicality newly is further described:
The input signal comparator is gathered peripheral voltage and is compared amplification again, is connected to adjuster, and adjuster produces signal to the input signal device and carries out filtering, and adjuster produces stable voltage signal again, is connected to trigger.Digital gate array produces the signal combination of " 0 " and " 1 ", outputs to voltage controlled oscillator, produces sawtooth waveforms by voltage controlled oscillator, is input to trigger.Error comparator is the voltage and current according to external circuit; under the situation of electrodeless lamp abnormal condition of lamp tube, produce high level, be input to abnormity protection circuit; abnormity protection circuit produces voltage signal and is input to voltage controlled oscillator and trigger, allows voltage controlled oscillator and trigger quit work.Trigger is input to high-pressure side driver and low side driver according to voltage controlled oscillator and adjuster input voltage, and high-pressure side driver and low side driver produce the nonoverlapping square wave of 230KH respectively, promotes the outer field effect transistor of integrated circuit.The VDD power supervisor provides the power supply of above all component.
Claims (1)
1. low frequency electrodeless lamp integrated circuit, include input signal comparator, digital gate array, error comparator and trigger, it is characterized in that: described signal comparator is connected with described trigger by adjuster, described digital gate array is connected with described trigger by voltage controlled oscillator, be divided into two tunnel outputs behind the external abnormity protection circuit of described error comparator, wherein one tunnel output inserts described voltage controlled oscillator, and another road output inserts described trigger; Described trigger is external high-pressure side driver and low side driver respectively, the common external field effect transistor of described high-pressure side driver and low side driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200044266U CN201928500U (en) | 2011-01-07 | 2011-01-07 | Integrated circuit of low-frequency electrodeless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200044266U CN201928500U (en) | 2011-01-07 | 2011-01-07 | Integrated circuit of low-frequency electrodeless lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201928500U true CN201928500U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200044266U Expired - Fee Related CN201928500U (en) | 2011-01-07 | 2011-01-07 | Integrated circuit of low-frequency electrodeless lamp |
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| Country | Link |
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| CN (1) | CN201928500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625553A (en) * | 2012-03-15 | 2012-08-01 | 重庆极光电器设备有限公司 | Electrodeless lamp with high-frequency generating circuit |
| CN102970810A (en) * | 2012-11-28 | 2013-03-13 | 南充市天元节能科技有限公司 | High-frequency electrodeless lamp integrated drive circuit |
-
2011
- 2011-01-07 CN CN2011200044266U patent/CN201928500U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625553A (en) * | 2012-03-15 | 2012-08-01 | 重庆极光电器设备有限公司 | Electrodeless lamp with high-frequency generating circuit |
| CN102625553B (en) * | 2012-03-15 | 2014-02-26 | 重庆极光电器设备有限公司 | Electrodeless lamp with high-frequency generating circuit |
| CN102970810A (en) * | 2012-11-28 | 2013-03-13 | 南充市天元节能科技有限公司 | High-frequency electrodeless lamp integrated drive circuit |
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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: 20110810 Termination date: 20150107 |
|
| EXPY | Termination of patent right or utility model |