CN204291538U - A kind of warm start uviol lamp electric ballast - Google Patents
A kind of warm start uviol lamp electric ballast Download PDFInfo
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- CN204291538U CN204291538U CN201420744998.1U CN201420744998U CN204291538U CN 204291538 U CN204291538 U CN 204291538U CN 201420744998 U CN201420744998 U CN 201420744998U CN 204291538 U CN204291538 U CN 204291538U
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- field effect
- effect transistor
- uviol lamp
- resonant capacitance
- circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
A kind of warm start uviol lamp electric ballast, comprises ballasted ignition circuit, and the high frequency square wave of input is produced resonance output and starts uviol lamp by described ballasted ignition circuit; Described ballasted ignition circuit comprises inductance T6, resonant capacitance C90, resonant capacitance C91, resonance damping resistance R149 and output common mode inductance L 2; High-frequency square-wave signal connects the circuit of being connected by described resonant capacitance C90 and resonant capacitance C91 via inductance T6 and produces resonance and export by the 2nd pin of described output common mode inductance L 2 and the 4th pin the two poles of the earth connecing described uviol lamp.In the utility model, full-bridge square-wave signal outputs to ballasted ignition circuit resonance by sweep method, thus produces a macro-energy, high-tension igniting sine wave.Finally reach no matter ultraviolet light source is in cold lamp or Warm status, ultraviolet light source can be lighted and maintain the object of its stable operation by electric ballast.
Description
Technical field
The utility model relates to a kind of warm start uviol lamp electric ballast.
Background technology
Ballast refers to the negative resistance charactertistic in order to overcome gas discharge type electric light source, enables normal work and the matching used electric equipment that adds.Electric ballast (Electrical ballast), refers to and adopts electronic technology to drive electric light source, makes it the electronic equipment producing required illumination.
At present, high power ultraviolet lamp major part is double end and straight tube type, and after bulb work a period of time, bulb temperature will reach a very high numerical value.Under this Warm status, if bulb extinguishes, think again to light, just can carry out after bulb need be waited to cool.Due to uviol lamp charge inside gas, and double-ended electrode is comparatively far away, and the uviol lamp under Warm status can not be lighted by traditional trigger for Metal halogen lamp warm start, causes ultraviolet light source not work on.
Utility model content
The purpose of this utility model is for needing to be lighted by the high-power both-end uviol lamp be under Warm status and the scene of maintenance work, a kind of warm start uviol lamp electric ballast is provided, can produce a macro-energy, high-tension igniting is sinusoidal wave, is lighted by the uviol lamp of Warm status.Guarantee ultraviolet light source continuous firing.
The technical solution of the utility model is: a kind of warm start uviol lamp electric ballast, comprises ballasted ignition circuit, and the high frequency square wave of input is produced resonance and exports startup uviol lamp by described ballasted ignition circuit; Described ballasted ignition circuit comprises inductance T6, partiting dc capacitor C81, partiting dc capacitor C98, resonant capacitance C90, resonant capacitance C91, resonance damping resistance R149 and output common mode inductance L 2; High-frequency square-wave signal connects the circuit of being connected by described resonant capacitance C90 and resonant capacitance C91 via inductance T6 and produces resonance and export by the 2nd pin of described output common mode inductance L 2 and the 4th pin the two poles of the earth connecing described uviol lamp; Described partiting dc capacitor C81 is arranged between described inductance T6 and resonant capacitance C90; Described partiting dc capacitor C98 is arranged between resonant capacitance C91 and the 3rd pin of described output common mode inductance L 2; Described resonance damping resistance R149 is arranged between described resonant capacitance C90 and resonant capacitance C91.
In the utility model, square-wave signal outputs to ballasted ignition circuit resonance by sweep method, thus produces a macro-energy, high-tension igniting sine wave.Finally reach no matter ultraviolet light source is in cold lamp or Warm status, ultraviolet light source can be lighted and maintain the object of its stable operation by electric ballast.
Optimal way of the present utility model has: square-wave signal is produced by two-way full-bridge DC-AC in parallel inverter circuit, and two-way full-bridge DC-AC in parallel inverter circuit comprises by isolating transformer and T5 and isolating transformer T4, field effect transistor Q7, field effect transistor Q8, field effect transistor Q9, field effect transistor Q10, field effect transistor Q11, field effect transistor Q12, field effect transistor Q13, field effect transistor Q14, partiting dc capacitor C80, partiting dc capacitor C82; The former limit of isolating transformer T5 connects the mid point of full-bridge two brachium pontis be made up of field effect transistor Q7, field effect transistor Q8, field effect transistor Q9, field effect transistor Q10, and centre adds partiting dc capacitor C80; The former limit of isolating transformer T4 connects the mid point of full-bridge two brachium pontis be made up of field effect transistor Q11, field effect transistor Q12, field effect transistor Q13, field effect transistor Q14, and centre adds partiting dc capacitor C82; Isolating transformer T4 is connected in series with isolating transformer T5 secondary, and two ends form high-frequency square-wave signal and export; Described isolating transformer T4 and isolating transformer T5 secondary.Described isolating transformer T4 is connected former limit by the Y capacitance CY6 of two series connection with Y capacitance CY7 with the low side of isolating transformer T5 secondary, forms high frequency channel.The output of the DC termination PFC boost circuit of described two-way full-bridge DC-AC in parallel inverter circuit.
In above-mentioned warm start uviol lamp electric ballast: also comprise and control drive circuit acquisition current signal, regulate full-bridge driving frequency, the constant-power control circuit of constant output.
In above-mentioned warm start uviol lamp electric ballast: also comprise telecommunication circuit, described telecommunication circuit receives external signal, passes to power limitation control drive circuit, controls the operating state of electric ballast.
Below with reference to drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 block diagram.
Fig. 2 is Fig. 1 two-way full-bridge DC-AC in parallel inverter circuit partial schematic diagram.
Fig. 3 is ballast igniting output circuit schematic diagram in Fig. 1.
Embodiment
Embodiment 1, in FIG, the present embodiment is a kind of electric ballast both-end high power ultraviolet lamp be under Warm status can lighted.By input PFC boost circuit, the interchange of 100Vac-264Vac input is converted into 400VDC voltage.Produce a high frequency square wave through two-way full-bridge DC-AC in parallel inverter circuit, this high frequency square wave to be lighted a fire output circuit by ballast, and resonance produces high pressure, lights uviol lamp, then maintains the voltage of an applicable uviol lamp bulb, allows uviol lamp stable operation.
Ballast output point ignition circuit as shown in Figure 3, first starting ignition process produces square wave at H1, H2 two ends, frequency changes from high to low, in change procedure, transformer T6 and resonant capacitance C90, resonant capacitance C91 produce resonance, and producing a high pressure at the resonant capacitance C90 connected, resonant capacitance C91 two ends, the uviol lamp being added in X4, X5 two ends is lighted by this voltage.
The square wave two-way full-bridge DC-AC in parallel inverter circuit as shown in Figure 2 outputting to H1, H2 produces.This inverter circuit is composed in parallel by two-way full-bridge, forms first via full-bridge by field effect transistor Q7, field effect transistor Q8, field effect transistor Q9, field effect transistor Q10, and field effect transistor Q11, field effect transistor Q12, field effect transistor Q13, field effect transistor Q14 form the second road full-bridge.According to the characteristic in bulb start-up course, mode that is former to full-bridge output isolation transformer T4, isolating transformer T5 limit is in parallel, secondary series connection uses, and object makes secondary voltage, electric current can be greater than any road, former limit.In order to reduce interference in communication aspects, add CY6, CY7 high frequency channel Y capacitance on the former limit of T4, T5 and secondary two ends.Great reduction High-frequency Interference.
The drive circuit object of two-way full-bridge produces to drive square wave.LH1 LG1, RH1 RG1, LH2 LG2, RH2 RG2 be high-side driver group, RL1, RL2, LL1, LL2 form low side driving group to GND.This two-way circuit provides drive waveforms to drive the metal-oxide-semiconductor that two-way full-bridge in parallel is corresponding, controls conducting and the shutoff of full-bridge metal-oxide-semiconductor.
Constant-power control circuit, the major function of this circuit is by sensed current signal, regulates the frequency that full-bridge drives, and then real-time regulation output frequency, makes the power outputting to uviol lamp maintain a constant numerical value, thus reaches invariable power object.
The electric ballast of the present embodiment produces a macro-energy, and high-tension igniting is sinusoidal wave, is lighted by the uviol lamp of Warm status, and maintains uviol lamp stable operation after striking.After PFC boost circuit, doube bridge DC-AC inverter circuit in parallel is adopted to produce square-wave signal, two-way full-bridge must the secondary series connection in parallel of former limit, and emphasis is that the square-wave voltage that produces and current value all can be greater than any road, former limit, better could maintain bulb stable operation after lighting.
Claims (6)
1. a warm start uviol lamp electric ballast, comprises ballasted ignition circuit, and the high frequency square wave of input is produced resonance and exports startup uviol lamp by described ballasted ignition circuit; It is characterized in that: described ballasted ignition circuit comprises inductance T6, partiting dc capacitor C81, partiting dc capacitor C98, resonant capacitance C90, resonant capacitance C91, resonance damping resistance R149 and output common mode inductance L 2;
High-frequency square-wave signal connects the circuit of being connected by described resonant capacitance C90 and resonant capacitance C91 via inductance T6 and produces resonance and export by the 2nd pin of described output common mode inductance L 2 and the 4th pin the two poles of the earth connecing described uviol lamp;
Described partiting dc capacitor C81 is arranged between described inductance T6 and resonant capacitance C90; Described partiting dc capacitor C98 is arranged between resonant capacitance C91 and the 3rd pin of described output common mode inductance L 2; Described resonance damping resistance R149 is arranged between described resonant capacitance C90 and resonant capacitance C91.
2. warm start uviol lamp electric ballast according to claim 1, is characterized in that: square-wave signal is provided by two-way full-bridge DC-AC in parallel inverter circuit; Described two-way full-bridge DC-AC in parallel inverter circuit comprises by isolating transformer and T5 and isolating transformer T4, field effect transistor Q7, field effect transistor Q8, field effect transistor Q9, field effect transistor Q10, field effect transistor Q11, field effect transistor Q12, field effect transistor Q13, field effect transistor Q14, partiting dc capacitor C80, partiting dc capacitor C82;
The former limit of described isolating transformer T5 connects the mid point of full-bridge two brachium pontis be made up of field effect transistor Q7, field effect transistor Q8, field effect transistor Q9, field effect transistor Q10, and centre adds partiting dc capacitor C80;
The former limit of described isolating transformer T4 connects the mid point of full-bridge two brachium pontis be made up of field effect transistor Q11, field effect transistor Q12, field effect transistor Q13, field effect transistor Q14, and centre adds partiting dc capacitor C82;
Described isolating transformer T4 is connected in series with isolating transformer T5 secondary, and two ends form high-frequency square-wave signal and export; Described isolating transformer T4 and isolating transformer T5 secondary.
3. warm start uviol lamp electric ballast according to claim 2, is characterized in that: described isolating transformer T4 is connected former limit by the Y capacitance CY6 of two series connection with Y capacitance CY7 with the low side of isolating transformer T5 secondary, forms high frequency channel.
4. warm start uviol lamp electric ballast according to claim 2, is characterized in that: the output of the DC termination PFC boost circuit of described two-way full-bridge DC-AC in parallel inverter circuit.
5. according to described warm start uviol lamp electric ballast arbitrary in Claims 1-4, it is characterized in that: also comprise and control drive circuit acquisition current signal, regulate full-bridge driving frequency, the constant-power control circuit of constant output.
6., according to described warm start uviol lamp electric ballast arbitrary in Claims 1-4, it is characterized in that: also comprise telecommunication circuit, described telecommunication circuit receives external signal, passes to power limitation control drive circuit, controls the operating state of electric ballast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744998.1U CN204291538U (en) | 2014-12-02 | 2014-12-02 | A kind of warm start uviol lamp electric ballast |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744998.1U CN204291538U (en) | 2014-12-02 | 2014-12-02 | A kind of warm start uviol lamp electric ballast |
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| CN204291538U true CN204291538U (en) | 2015-04-22 |
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| CN201420744998.1U Active CN204291538U (en) | 2014-12-02 | 2014-12-02 | A kind of warm start uviol lamp electric ballast |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106902469A (en) * | 2015-12-22 | 2017-06-30 | 武汉奇致激光技术股份有限公司 | Treat the control system and control method of the ultraviolet source of leucoderma |
| CN107317505A (en) * | 2017-07-07 | 2017-11-03 | 吴忠市中心电焊机有限公司 | A kind of two-way full bridge inverter for being applicable twin voltage automatic conversion |
| CN107531513A (en) * | 2015-05-04 | 2018-01-02 | 伊沃夸水处理技术有限责任公司 | With the method and system of variable lamp configuration provides ultra-pure water |
-
2014
- 2014-12-02 CN CN201420744998.1U patent/CN204291538U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107531513A (en) * | 2015-05-04 | 2018-01-02 | 伊沃夸水处理技术有限责任公司 | With the method and system of variable lamp configuration provides ultra-pure water |
| CN107531513B (en) * | 2015-05-04 | 2021-09-28 | 懿华水处理技术有限责任公司 | Method and system for providing ultrapure water with variable lamp configuration |
| CN106902469A (en) * | 2015-12-22 | 2017-06-30 | 武汉奇致激光技术股份有限公司 | Treat the control system and control method of the ultraviolet source of leucoderma |
| CN106902469B (en) * | 2015-12-22 | 2019-07-02 | 武汉奇致激光技术股份有限公司 | The control system and control method for treating the ultraviolet source of leucoderma |
| CN107317505A (en) * | 2017-07-07 | 2017-11-03 | 吴忠市中心电焊机有限公司 | A kind of two-way full bridge inverter for being applicable twin voltage automatic conversion |
| CN107317505B (en) * | 2017-07-07 | 2023-10-27 | 吴忠市中心电焊机有限公司 | Be suitable for double-circuit full-bridge inverter circuit of two voltage automatic switching |
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Address after: 518000 Guangdong Shenzhen Pingshan New Area Industrial Zone Julongshan District Jinweiyuan Industrial Plant Area A Building 2 Floor North District, B2 Building 6 Floor Patentee after: Shenzhen Techone Tech. Co., Ltd. Address before: 518000 Guangdong Province Shenzhen Pingshan New Area Industrial Zone Julongshan District Jinweiyuan Industrial Plant Area A Building 2 Floor North, B2 Building 6 Floor Patentee before: Shenzhen Techone Tech. Co., Ltd. |
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