CN202068635U - Power frequency modulation type high frequency human interface device (HID) electric ballast - Google Patents
Power frequency modulation type high frequency human interface device (HID) electric ballast Download PDFInfo
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- CN202068635U CN202068635U CN2011200602652U CN201120060265U CN202068635U CN 202068635 U CN202068635 U CN 202068635U CN 2011200602652 U CN2011200602652 U CN 2011200602652U CN 201120060265 U CN201120060265 U CN 201120060265U CN 202068635 U CN202068635 U CN 202068635U
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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
Abstract
The utility model discloses a power frequency modulation type high frequency human interface device (HID) electric ballast, which mainly comprises a power supply filter circuit, a rectifying filer circuit, a high frequency switching circuit and an HID lamp load, wherein one end of the power supply filter circuit is connected with a power supply input end; the other end of the power supply filter circuit is connected with the high frequency switching circuit through the rectifying filter circuit; the high frequency switching circuit is connected with the HID lamp load; the high frequency switching circuit is connected with the HID lamp load through an inductance choke circuit; a power frequency modulation control circuit is connected onto the power supply filter circuit; and the power frequency modulation control circuit is connected with the inductance choke circuit. A high frequency winding coil and a low frequency winding coil are added to the inductance choke circuit, the high frequency winding coil and the low frequency winding coil are connected with the 50 to 60 Hz power supply input end in series or in parallel, and high and low frequency processing and high and low voltage processing are carried out on the high frequency winding coil and the low frequency winding coil so that 50 to 60 Hz power frequency current is superposed in high frequency current which is output to the HID lamp load through the inductance choke circuit, consequently the stroboscopic effect of a high frequency HID lamp is thoroughly eliminated. Compared with the prior art, the stroboscopic effect of the HID lamp is eliminated, which can not be eliminated by the high frequency electric ballast, and the defects of high cost, low efficiency (lower than 90 percent), bad stability and complex circuit of the low frequency electric ballast are overcome.
Description
Technical field:
The utility model relates to high-voltage gas discharging light (HID) electric ballast, particularly a kind of power frequency modulation system high frequency HID electric ballast.
Background technology:
The HID lamp is a high-intensity discharge lamp, is also referred to as high-intensity discharge lamp or gases at high pressure are put lamp.Common have mercury lamp, sodium vapor lamp, metal halide lamp (Metal halogen lamp) and an xenon lamp.The HID lamp is widely used in the world at present high efficiency light source of new generation, along with the social base construction continues to increase, the consumption of HID lamp all can have bigger growth every year, therefore the electric accessories used of the supporting HID lamp of appropriate design is very important, and uses electric ballast can obtain the good ratio of performance to price.
Electric ballast is because of its obvious energy-saving effect, volume is little, in light weight, high reliability, in extensive uses such as compact fluorescent lamp, fluorescent lamp, integrated lamps, and good economic benefit and social benefit have been obtained, along with electronic technology constantly develops, the electronic devices and components reliability improves constantly, and cost reduces significantly, and the HID lamp electronic ballast will become the pith of Green Lighting Project.
The electric ballast that present HID lamp is adopted mainly contains following two kinds: a kind of is to adopt high frequency to add the high frequency HID electric ballast of low frequency modulations method, this high-frequency electronic ballast is for the HID lamp, have that circuit is simple, efficient is high (can reach 93%), cost is low, start reliable advantage, it starts the LC resonance startup method that adopts, only need the HID lamp reliably be started high-voltage capacitance in parallel at HID lamp two ends, but this high-frequency electronic ballast can't solve with the different pipes of power press, the acoustic resonance frequency phenomenons (being the stroboscopic problem) of different manufacturers bulb; Another kind is the electric ballast that adopts the power supply of 100～200HZ low frequency scheme, this electric ballast valency height. circuit is very complicated, it generally is that 300V-400VDC. is triggered and realizes through PWM step-down, the conversion of full-bridge low frequency, high pressure that its low frequency is lit a lamp, usually need the power tube more than 5, therefore have the shortcoming of cost height, efficient low (less than 90%), poor stability and circuit complexity.And the high-frequency electronic ballast only needs two power tubes composition semi-bridge inversions to get final product through choke induction
The utility model content:
For this reason, the purpose of this utility model is to provide a kind of power frequency modulation system high frequency HID electric ballast, occurs easily to solve present employing high-frequency electronic ballast that the problem of HID lamp stroboscopic and the existing circuit complexity of low-frequency electronic ballast, cost height, efficient are low, the shortcoming of poor stability.
For achieving the above object, the utility model is mainly by the following technical solutions:
A kind of power frequency modulation system high frequency HID electric ballast, mainly include electric source filter circuit, current rectifying and wave filtering circuit, high-frequency conversion circuit and HID lamp load, described electric source filter circuit one end is connected with power input, the other end is connected with high-frequency conversion circuit by current rectifying and wave filtering circuit, high-frequency conversion circuit is connected with the HID lamp load, wherein: also be connected with an inductance choke circuit between described high-frequency conversion circuit and the HID lamp load, also be connected with a power frequency modulation control circuit on the described electric source filter circuit, described power frequency modulation control circuit is connected with the inductance choke circuit; Described electric source filter circuit carries out Filtering Processing to the alternating current by the power input input, and branch two-way output frequency is the alternating current of 50-60HZ, one tunnel frequency is that the interchange of 50-60HZ is input to current rectifying and wave filtering circuit, carry out rectifying and wave-filtering processing back output DC by current rectifying and wave filtering circuit and be pressed onto high-frequency conversion circuit, the output high-frequency current was to the inductance choke circuit after this direct voltage carried out high frequency conversion through high-frequency conversion circuit; The alternating current that another road frequency is 50-60HZ is input to the power frequency modulation control circuit, and the power current that it is 50-60HZ that process power frequency modulation control circuit carries out the back output frequency of power frequency modulation is to the inductance choke circuit; Described inductance choke circuit to above-mentioned from high-frequency conversion circuit high-frequency current and be that the power current of 50-60HZ carries out the electric current stack and the magnetic field coupling is handled from power frequency modulation control circuit frequency, and output to the HID lamp load, by above-mentioned high-frequency current the HID lamp load being triggered and to light, is that the power current of 50-60HZ is modulated control to the HID lamp load by frequency.
Include a high frequency winding coil and a low frequency winding coil in the wherein said inductance choke circuit, described inductance choke circuit is connected with the power frequency modulation control circuit by the low frequency winding coil, and described high frequency winding coil is with low frequency winding coil magnetic coupling.
Wherein said inductance choke circuit is used for described high frequency winding coil and low frequency winding coil are carried out low-and high-frequency, high-low pressure isolation processing.
Wherein said inductance choke circuit carries out current limliting according to the watt level of HID lamp load to the high-frequency current from high-frequency conversion circuit to be handled.
Wherein said high-frequency conversion circuit is the half-bridge high-frequency conversion circuit.
Wherein said high-frequency conversion circuit is the full-bridge high-frequency change-over circuit.
Wherein said high-frequency conversion circuit is the auto-excitation type high-frequency conversion circuit.
Wherein said high-frequency conversion circuit is the independent-excited high-frequency conversion circuit.
Also be connected with an APFC between wherein said current rectifying and wave filtering circuit and the high-frequency conversion circuit, the low power factor by this APFC self-rectifying in the future filter circuit converts 99% above high power factor circuit to.
Wherein this power frequency modulation system high frequency HID electric ballast also includes an abnormity protection circuit, and this abnormity protection circuit is connected with current rectifying and wave filtering circuit, high-frequency conversion circuit and HID lamp load.
The utility model is by increasing a high frequency winding coil and a low frequency winding coil in the inductance choke circuit, and make this high frequency winding coil and low frequency winding coil string or be connected to the power input of 50-60HZ, by this high frequency winding coil and low frequency winding coil are carried out low-and high-frequency, high-low pressure isolation processing, the inductance choke circuit is outputed in the high-frequency current of HID lamp load be superimposed with the power current of 50-60HZ, thereby thoroughly eliminate the problem of high frequency HID lamp stroboscopic.Compared with prior art, the utility model has solved the problem of the insurmountable HID lamp of high-frequency electronic ballast stroboscopic, and has solved the shortcoming of low-frequency electronic ballast cost height, efficient low (less than 90%), poor stability and circuit complexity.
Description of drawings:
Fig. 1 is a theory diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment:
Core concept of the present utility model is: the utility model utilizes the inductance choke circuit that the high-frequency current of input is carried out current limliting, generation meets the operating current of HID lamp load, to be that the high-frequency work electric current that meets the HID lamp load after the power current of 50-60HZ and the above-mentioned current limliting superposes from power frequency modulation control circuit frequency simultaneously, the high-frequency current that contains 50-60HZ envelope composition with generation, output to the HID lamp load, thus the problem of simplifying circuit, reducing cost and thoroughly eliminate high frequency HID lamp stroboscopic.
For setting forth thought of the present utility model and purpose, the utility model is described further below in conjunction with the drawings and specific embodiments.
See also shown in Figure 1ly, Fig. 1 is a theory diagram of the present utility model.Power frequency modulation system high frequency HID electric ballast described in the utility model; mainly include electric source filter circuit, current rectifying and wave filtering circuit, high-frequency conversion circuit, HID lamp load, abnormity protection circuit, power frequency modulation control circuit and inductance choke circuit; wherein electric source filter circuit one end is that the alternating current of 50-60HZ is connected by power input and foreign frequency; the other end then is divided into two-way output; wherein one the tunnel is connected with current rectifying and wave filtering circuit, and another road then directly is connected with the power frequency modulation control circuit.
Electric source filter circuit is to carrying out Filtering Processing by the interchange of power input input, output frequency is the alternating current of 50-60HZ, this alternating current is divided into two-way output, one the tunnel is input to current rectifying and wave filtering circuit carries out the rectifying and wave-filtering processing, and output frequency is 0 direct current, if this direct current is the circuit of low power factor, then be directly inputted to high-frequency conversion circuit and carry out high frequency conversion, if this circuit is the circuit of High Power Factor, then be input to APFC and carry out power factor correction, and then be input to high-frequency conversion circuit and carry out high frequency conversion, no matter and be that the circuit of low power factor or the circuit of High Power Factor are through after the high frequency conversion, this high-frequency current all must be input to and carry out the current limliting processing in the inductance choke circuit, just produces the lamp operating current that can meet the work of HID lamp load.
Through incoming frequency after the electric source filter circuit filtering is the alternating current of 50-60HZ, another road then is input to the power frequency modulation control circuit, modulate control and treatment by the power frequency modulation control circuit, producing frequency is the power current of 50-60HZ, and this power current is input in the inductance choke circuit, superpose with the high-frequency lamp operating current that produces after the above-mentioned current limliting, make electric current in the high-frequency lamp work include the low-frequency current composition of 50-60HZ envelope, realize that by this high-frequency current control is lighted to HID lamp load high frequency, and the HID lamp load is modulated Control work by low frequency.
Wherein the inductance choke circuit carries out to the high-frequency current of input that current limliting is handled and to from the power current of the 50-60HZ of power frequency modulation control circuit and the overlap-add procedure of current limliting after-current, all realize by a high frequency winding coil and a low frequency winding coil, after this high frequency winding coil and low frequency winding coil process low-and high-frequency, the high-low pressure isolation processing, the string or be connected to the 50-60HZ power input, former constant amplitude high frequency lamp current is modulated into the high frequency lamp current that contains 50-60HZ envelope composition.
And for the HID lamp of different capacity, a coil windings number of turn that only needs to regulate above-mentioned high frequency winding coil and low frequency winding coil can obtain different modulation degree, thereby the stroboscopic that reaches thorough elimination HID lamp now looks like.
In addition; in power frequency modulation system high frequency HID electric ballast, also include an abnormity protection circuit; this abnormity protection circuit is connected with current rectifying and wave filtering circuit, high-frequency conversion circuit and HID lamp load; when being used for that abnormal conditions are appearred in above-mentioned current rectifying and wave filtering circuit, high-frequency conversion circuit and HID lamp load, protect.
As shown in Figure 2, Fig. 2 is circuit theory diagrams of the present utility model.Wherein this circuit includes electric source filter circuit, current rectifying and wave filtering circuit, high-frequency conversion circuit, HID lamp load, abnormity protection circuit and lamp current choke circuit.
Electric source filter circuit is used for the elimination electrical network and high-frequency circuit produces clutter; it includes filter capacitor C1; C2; C3; C4; common mode filtering inductance T1; differential mode filter inductance T2; bleeder resistance R1; piezo-resistance RV1; high-frequency filter capacitor C1 wherein; C2 is connected the two ends of common mode filtering inductance T1; bleeder resistance R1 is connected in parallel on high-frequency filter capacitor C2 two ends; outage back discharge is to the safety of the person when guaranteeing that power supply is non-loaded; and piezo-resistance RV1 is in parallel with bleeder resistance R1; can suppress the frequent abnormal overvoltage that occurs in the circuit, protective circuit is avoided superpotential infringement.
Include a rectifier bridge and an electrolytic capacitor filter C5 in parallel who forms by diode D1, D2, D3, D4 in the rectifying and wave-filtering with this rectifier bridge, this electrochemical capacitor C5 is used for energy storage filtering, can carry out Filtering Processing and the direct current that ripple amplitude is bigger changes into the very little direct current of ripple amplitude to Rectified alternating current stream, the alternating current of electric source filter circuit output is input to and carries out full-bridge rectification in the rectifier bridge and become the pulsating direct current electric current, and this Rectified alternating current stream becomes more level and smooth DC after through electrochemical capacitor C5 filtering and is input to high-frequency conversion circuit.
High-frequency conversion circuit among Fig. 2 is an auto-excitation type half-bridge high-frequency conversion circuit, above-mentioned DC is input to C6 through R2, C6 is charged, when the C6 both end voltage rises to certain numerical value, bidirectional trigger diode DB3 discharge, this moment, triode Q2, Q1 took turns conducting, and oscillation transformer T3 output high frequency is to C8, and were input to by C8 among the high frequency winding coil N1 of lamp current choke circuit T4.
The lamp current choke circuit is made of high frequency choke inductance T5, T4, wherein T4 comprises high frequency winding coil N1 and low frequency winding coil N2, and high frequency winding coil N1 is in the same place with low frequency winding coil N2 magnetic coupling, and low frequency winding coil N2 and high frequency choke inductance T5 go here and there in electric power loop, C3 is high filter capacitor, returns electrical network to prevent high frequency.
T3 is an oscillation transformer, and the high-frequency current of the N1 of this oscillation transformer output is delivered to resonant capacitance C9 through C8, T4, N1, and because of the HID lamp and connect the C9 two ends, T4 high frequency winding coil N1 and C9 resonance can produce 3-4KV high voltage startup HID lamp.
The power current of 50-60HZ is through the low frequency winding coil N2 of T4 in addition, low frequency can be coupled in the loop of high frequency winding coil N1 simultaneously, high-frequency current through high frequency winding coil N1 also can be coupled among the low frequency winding coil N2, for preventing that high-frequency current from feeding back in the electrical network, can be by high frequency choke inductance T5 with its high-frequency current blocking-up.
Electric source filter circuit in the utility model, current rectifying and wave filtering circuit, high-frequency conversion circuit, HID lamp load and abnormity protection circuit etc. are known circuits; it all can carry out combination in any with the lamp current choke circuit in the utility model, all can realize technique effect of the present utility model.
More than be that a kind of power frequency modulation system high frequency HID electric ballast provided by the utility model is described in detail, used specific case herein structural principle of the present utility model and execution mode are set forth, above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. power frequency modulation system high frequency HID electric ballast, mainly include electric source filter circuit, current rectifying and wave filtering circuit, high-frequency conversion circuit and HID lamp load, described electric source filter circuit one end is connected with power input, the other end is connected with high-frequency conversion circuit by current rectifying and wave filtering circuit, high-frequency conversion circuit is connected with the HID lamp load, it is characterized in that: also be connected with an inductance choke circuit between described high-frequency conversion circuit and the HID lamp load, also be connected with a power frequency modulation control circuit on the described electric source filter circuit, described power frequency modulation control circuit is connected with the inductance choke circuit; Described electric source filter circuit carries out Filtering Processing to the alternating current by the power input input, and branch two-way output frequency is the alternating current of 50-60HZ, one tunnel frequency is that the interchange of 50-60HZ is input to current rectifying and wave filtering circuit, carry out rectifying and wave-filtering processing back output DC by current rectifying and wave filtering circuit and flow to high-frequency conversion circuit, the output high-frequency current was to the inductance choke circuit after this direct current carried out high frequency conversion through high-frequency conversion circuit; The alternating current that another road frequency is 50-60HZ is input to the power frequency modulation control circuit, and the power current that it is 50-60HZ that process power frequency modulation control circuit carries out the back output frequency of power frequency modulation is to the inductance choke circuit; Described inductance choke circuit to above-mentioned from high-frequency conversion circuit high-frequency current and be that the power current of 50-60HZ carries out the electric current stack and the magnetic field coupling is handled from power frequency modulation control circuit frequency, and output to the HID lamp load, by above-mentioned high-frequency current the HID lamp load being triggered and to light, is that the power current of 50-60HZ is modulated control to the HID lamp load by frequency.
2. power frequency modulation system high frequency HID electric ballast according to claim 1, it is characterized in that including in the described inductance choke circuit high frequency winding coil and a low frequency winding coil, described inductance choke circuit is connected with the power frequency modulation control circuit by the low frequency winding coil, and described high frequency winding coil is with low frequency winding coil magnetic coupling.
3. power frequency modulation system high frequency HID electric ballast according to claim 2 is characterized in that described inductance choke circuit is used for described high frequency winding coil and low frequency winding coil are carried out low-and high-frequency, high-low pressure isolation processing.
4. power frequency modulation system high frequency HID electric ballast according to claim 2 is characterized in that described inductance choke circuit carries out current limliting according to the watt level of HID lamp load to the high-frequency current from high-frequency conversion circuit and handles.
5. power frequency modulation system high frequency HID electric ballast according to claim 1 is characterized in that described high-frequency conversion circuit is the half-bridge high-frequency conversion circuit.
6. power frequency modulation system high frequency HID electric ballast according to claim 1 is characterized in that described high-frequency conversion circuit is the full-bridge high-frequency change-over circuit.
7. power frequency modulation system high frequency HID electric ballast according to claim 1 is characterized in that described high-frequency conversion circuit is the auto-excitation type high-frequency conversion circuit.
8. power frequency modulation system high frequency HID electric ballast according to claim 1 is characterized in that described high-frequency conversion circuit is the independent-excited high-frequency conversion circuit.
9. power frequency modulation system high frequency HID electric ballast according to claim 1, it is characterized in that also being connected with between described current rectifying and wave filtering circuit and the high-frequency conversion circuit APFC, can be by this APFC with power because of bringing up to more than 99%.
10. power frequency modulation system high frequency HID electric ballast according to claim 1 is characterized in that also including an abnormity protection circuit, and this abnormity protection circuit is connected with current rectifying and wave filtering circuit, high-frequency conversion circuit and HID lamp load.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200602652U CN202068635U (en) | 2011-03-09 | 2011-03-09 | Power frequency modulation type high frequency human interface device (HID) electric ballast |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200602652U CN202068635U (en) | 2011-03-09 | 2011-03-09 | Power frequency modulation type high frequency human interface device (HID) electric ballast |
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| CN202068635U true CN202068635U (en) | 2011-12-07 |
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| CN2011200602652U Expired - Fee Related CN202068635U (en) | 2011-03-09 | 2011-03-09 | Power frequency modulation type high frequency human interface device (HID) electric ballast |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119473A1 (en) * | 2011-03-09 | 2012-09-13 | 深圳市飞狮电子工业有限公司 | Power frequency modulation high frequency hid electronic ballast |
| CN103634999A (en) * | 2012-08-20 | 2014-03-12 | 黄鹏云 | Low-power-factor separate excitation type metal halogen lamp electronic ballast |
| CN104640332A (en) * | 2015-02-13 | 2015-05-20 | 黄良洪 | Direct current electronic ballast for lamp |
-
2011
- 2011-03-09 CN CN2011200602652U patent/CN202068635U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119473A1 (en) * | 2011-03-09 | 2012-09-13 | 深圳市飞狮电子工业有限公司 | Power frequency modulation high frequency hid electronic ballast |
| CN102685997A (en) * | 2011-03-09 | 2012-09-19 | 深圳市飞狮电子工业有限公司 | High-frequency HID (High Intensity Discharge) electronic ballast with modulated power frequency |
| CN102685997B (en) * | 2011-03-09 | 2014-09-10 | 深圳市飞狮电子工业有限公司 | High-frequency HID (High Intensity Discharge) electronic ballast with modulated power frequency |
| CN103634999A (en) * | 2012-08-20 | 2014-03-12 | 黄鹏云 | Low-power-factor separate excitation type metal halogen lamp electronic ballast |
| CN104640332A (en) * | 2015-02-13 | 2015-05-20 | 黄良洪 | Direct current electronic ballast for lamp |
| CN104640332B (en) * | 2015-02-13 | 2017-10-03 | 黄良洪 | Lamp DC electronic ballast |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN CAMETRONICS INDUSTRIAL CO., LTD. Free format text: FORMER NAME: SHENZHEN SHIWANG ELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000, Guangdong, Shenzhen province Baoan District Gongming Street Village Stone Industry Park eighth Patentee after: Shenzhen Cametronics Industrial Co., Ltd. Address before: 518000, Guangdong, Shenzhen province Baoan District Gongming Street Village Stone Industry Park eighth Patentee before: Shenzhen Shiwang Electronics Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20140309 |