CN104105317A - DC low-voltage double-push injection phase-locking power synthesis high-pressure sodium lamp - Google Patents
DC low-voltage double-push injection phase-locking power synthesis high-pressure sodium lamp Download PDFInfo
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- CN104105317A CN104105317A CN201310160099.7A CN201310160099A CN104105317A CN 104105317 A CN104105317 A CN 104105317A CN 201310160099 A CN201310160099 A CN 201310160099A CN 104105317 A CN104105317 A CN 104105317A
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- oscillation
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- power
- pressure sodium
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 23
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 23
- 239000011734 sodium Substances 0.000 title claims abstract description 23
- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 title abstract description 4
- 238000003786 synthesis reaction Methods 0.000 title abstract description 4
- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 239000013078 crystal Substances 0.000 claims abstract description 25
- 230000010355 oscillation Effects 0.000 claims abstract description 15
- 238000010304 firing Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention relates to the technical field of electric light source illumination and especially relates to a DC low-voltage double-push injection phase-locking power synthesis high-pressure sodium lamp. A self-oscillation chip 4 and a self-oscillation chip 6 are connected with a timing resistor R2 and a timing capacitor C4 for synchronous oscillation. The self-oscillation chip 4 and a push-pull inverter A output power transformer T1 and the self-oscillation chip 6 and a push-pull inverter B output power transformer T2 are subjected to the power synthesis through an addition coupler, and the synthesized power is subjected to voltage boost and then is fed to a tube trigger circuit for starting the high-pressure sodium lamp. Reference crystal oscillator signals are input to RC oscillators of the self-oscillation chip 4 and the self-oscillation chip 6 through a frequency divider for phase locking, so that luminance declination caused by power unbalance resulted from oscillation frequency change since temperature rise of a device is too high is avoided. Sawtooth signals output by a frequency modulation signal generator are input to the RC oscillators of the two self-oscillation chips 4 and 6 for suppressing lamp flickering in a frequency modulation manner. The high-pressure sodium lamp in the invention is suitable for high-pressure sodium lamp lighting occasions with DC low voltage and large current for power supply.
Description
Technical field
The present invention relates to electric source lighting technical field, specifically the two synthetic high-pressure sodium lamps of injection phase-locking power that push away of a kind of DC low-voltage.
Background technology
The general LC of prior art electric ballast or RC oscillator are as high-pressure sodium lamp light source, and the frequency of oscillation of generation is declined by the poor unstable light intensity of power that affects of temperature change stability, although features simple structure, cost is low.Because supply voltage is low, high-power illumination be obtained and device current certainly will be increased, the too high frequency of oscillation that causes of hunting power pipe power consumption sharp increase temperature rise is changed, result can make light unbalance with frequency change power magnitude.Meanwhile, large electric current declines by the high magnetic permeability of coil temperature rise, the little impedance trend zero of saturation inductors quantitative change, light fixture operating time and temperature rise direct ratio, device aging is accelerated in temperature rise, and gently the unstable brightness of lamp luminescence declines, heavy burn out device reduction of service life.The two synthetic high-pressure sodium lamps that drag of vibration inverter power stack that push away of Granted publication CN201957316U, solve the restriction of device power capacity.But the synthetic oscillating voltage phase place of power is inconsistent, it is unbalanced that non-linear intermodulation affects power, awaits technological improvement.
Summary of the invention
The object of this invention is to provide the power supply of the large electric current of DC low-voltage, the inversion two synthetic high-pressure sodium lamps of injection phase-locking power that push away of the phase locked a kind of DC low-voltage of high frequency stabilization that vibrate.
The technology of the present invention solution is: comprise DC low voltage power supply, high-pressure sodium fluorescent tube, benchmark crystal oscillator, frequency divider, two self-oscillation chips, recommend inverter A, recommend inverter B, be added coupler T
3, fluorescent tube circuits for triggering, FM signal generator, abnormal condition of lamp tube detector; wherein; benchmark crystal oscillator is made up of quartz-crystal resonator, two inverters and resistance, electric capacity; first inverter input and the biasing of output two ends cross-over connection resistance; and respectively and connect ground capacity; simultaneously; the also quartz-crystal resonator of cross-over connection series connection trimmer; benchmark crystal oscillator output signal is through second inverter access frequency divider; self-oscillation chip includes RC oscillator, recommends inverse changing driving circuit, lamp failure protection controller SD, two self-oscillation chip RC oscillators connecting resistance R altogether
2, capacitor C
4synchronized oscillation, output connects by the recommending inverter A, recommend inverter B of two high-power MOS field effect transistor composition through recommending inverse changing driving circuit respectively, self-oscillation chip and recommend inverter A output power transformer T
1inductance L
2with self-oscillation chip and recommend inverter B output power transformer T
2inductance L
5by being added coupler T
3inductance L
6power is synthetic, inductance L
7boost and connect the fluorescent tube circuits for triggering high-pressure sodium fluorescent tube starter that ignites, benchmark crystal oscillator signal injects two self-oscillation chip RC oscillator C through frequency divider
tend locking phase, two self-oscillation chip RC oscillator R of FM signal generator output sawtooth signal access
tend frequency modulation suppresses lamp and dodges, abnormal condition of lamp tube detector detection signal meets the lamp failure protection controller SD of two self-oscillation chips, and DC low voltage power supply connects benchmark crystal oscillator, frequency divider, self-oscillation chip and recommends inverter A, self-oscillation chip and recommend inverter B-source end;
Wherein, FM signal generator by time base chip IC
5, resistance R
13, R
14, R
15and capacitor C
12multi-harmonic-oscillations, IC
5d
iSend is by resistance R
16meet a pipe Q
3grid, capacitor C
15meet Q
3source resistance R
17bootstrapping positive feedback, two self-oscillation chip R of output linearity sawtooth signal access
tend frequency modulation suppresses light flash;
Fluorescent tube circuits for triggering by fluorescent tube one end through capacitor C
9, pulse firing transformer T
4inductance L
9connect and be added coupler T
3inductance L
7, capacitor C
9also and connecting resistance R
10, pulse firing transformer T
4inductance L
8meet ground capacity C
10, bidirectional trigger diode VD
1series connection pulse firing transformer T
4inductance L
8ground connection, the fluorescent tube other end is through Current Mutual Inductance magnet ring inductance L
10ground connection, high voltage direct current generator by time base chip IC
5multi-harmonic-oscillations output square wave meets transformer T
5inductance L
1through inductance L
12boost, diode VD
2rectification, capacitor C
17, resistance R
18filtering, by resistance R
19connect capacitor C
9with pulse firing transformer T
4inductance L
9contact.
The present invention produces good effect: solve DC low-voltage, the large electric current double push-pull inversion high frequency stabilization Phase synchronization power that vibrates synthetic, reach single self-oscillation and recommend the high-power high voltage sodium lamp illumination that inverter is difficult to obtain, avoid device temperature rise frequency of oscillation to change power imbalances, steady light, increases the service life.
Brief description of the drawings
Fig. 1 technical solution of the present invention theory diagram
Fig. 2 benchmark crystal oscillating circuit
The two synthetic high-pressure sodium lamp circuit of injection phase-locking power that push away of Fig. 3 DC low-voltage
Embodiment
With reference to Fig. 1,2,3, (Fig. 3 is taking self-oscillation chip and recommend inverter A as example, self-oscillation chip and to recommend inverter B identical with A), the specific embodiment of the invention and embodiment: comprise DC low voltage power supply 1, high-pressure sodium fluorescent tube 11, benchmark crystal oscillator 2, frequency divider 3, two self-oscillation chips 4,6, recommend inverter A5, recommend inverter B7, be added coupler T
38, fluorescent tube circuits for triggering 10, FM signal generator 9, abnormal condition of lamp tube detector 12, wherein, benchmark crystal oscillator 2 is by quartz-crystal resonator JT, two inverter ics
1, IC
2and resistance R
1, capacitor C
0, C
1, C
2composition, first inverter ic
1input and output two ends cross-over connection resistance R
1biasing, and respectively and meet ground capacity C
1, C
2, meanwhile, also cross-over connection series connection trimming capacitor C
0quartz-crystal resonator JT, benchmark crystal oscillator 2 output signals are through second inverter ic
2access frequency divider 3, self-oscillation chip IC
4iR2157 includes RC oscillator, recommends inverse changing driving circuit, lamp failure protection controller, the RC oscillator C of two self-oscillation chips 4,6
tend connects capacitor C altogether
4, resistance R
2synchronized oscillation, output connects by two MOS field effect tube Q through recommending inverse changing driving circuit respectively
1, Q
2the recommending inverter A5, recommend inverter B7 of composition, self-oscillation chip 4 and recommend inverter A5 output power transformer T
1inductance L
2with self-oscillation chip 6 and recommend inverter B7 output power transformer T
2inductance L
5by being added coupler 8 inductance L
6power is synthetic, inductance L
7boost and connect fluorescent tube circuits for triggering 10 high-pressure sodium fluorescent tube 11 starters that ignite, benchmark crystal oscillator 2 meets frequency divider 3 frequency division ÷ N reference signal f
0through capacitor C
3, C
4dividing potential drop is injected the RC oscillator C of two self-oscillation chips 4,6
tend locking phase, FM signal generator 9 is exported sawtooth signal through capacitor C
8access the RC oscillator R of two self-oscillation chips 4,6
tfrequency modulation suppresses light flash; abnormal condition of lamp tube detector 12 detection signals meet two self-oscillation chips, 4,6 lamp failure protection controller SD, and DC low voltage power supply 1 connects benchmark crystal oscillator 2, frequency divider 3, self-oscillation chip 4 and recommends inverter A5, self-oscillation chip 6 and recommend inverter B7 power end+V.
IC
4pin mark function: V
cCpower end, C
tmeet oscillator timing capacitor C
4, R
tmeet oscillator timing resistor R
2, H
odrive Q
1, L
odrive Q
2, CS current detecting, SD lamp failure is closed vibration protection and is controlled, COM ground connection.
IC
5pin mark function: V
cCpower supply, TL low level triggers, and TH high level triggers, V
mRreset, Vc voltage control, D
iSdischarge end, V
0output, GND ground connection.
Self-oscillation chip IC
4power supply V
cCby resistance R
11step-down, capacitor C
7filtering is supplied with and is produced vibration, through H
o, L
oinverter is recommended in driving, high-power MOS tube Q
1, Q
2conducting in turn, cut-off half cycle, power output connects and is added coupler and recommends inverter B power output and synthesize.
Two inverter powers are synthetic drags large-power lamp, and dilatation is reliable, but requires two self-oscillation chip oscillate voltage-phases consistent, unbalanced to eliminate non-linear intermodulation power, obtains stable power output.For this reason, introduce injection phase-locking and solve power synthesis phase simultaneous techniques.
Injection phase-locking is need not be voltage-controlled tuning, phase discriminator, loop filter, and circuit structure is simple, superior performance, and fringe cost is low.Injection phase-locking there is not difference with looped phase locking in essence, and just structure is different with the course of work, is suitable for the synthetic light fixture stable oscillation stationary vibration frequency plot of power synchronous, and stable power output is avoided the too high power imbalances of device temperature rise, increases the service life.
Based on injecting the integral multiple that reference frequency is locking frequency of oscillation, or frequency of oscillation is the integral multiple of reference frequency, and reference signal frequency division injects the high wen-frequency characteristics quartz resonator of apolegamy upper frequency, is easy to lock tens of to hundreds of kilo hertzs of LC or RC oscillator.Frequency divider IC
3binary system or decimal system counting frequency division.Benchmark crystal oscillator quartz resonator quality factor are high, and frequency is subject to variations in temperature minimum, the highly stable locking reference signal that can be used as.
Reference signal is injected self-oscillation chip C through frequency division
tend locking phase.Do not inject reference signal self-oscillation chip RC oscillator and produce free oscillation frequency, inject reference signal RC oscillating voltage and its vector synthetic, by self-oscillation chip additive mixing locking phase, oscillator signal and injection reference signal only have a fixing phase difference.Synchronization bandwidth and injecting power direct ratio, with RC oscillator loaded Q inverse ratio, due to the input of reference signal injection RC oscillator, gain high, small-power locking.Two self-oscillation chip RC oscillator connecting resistance R altogether
2, capacitor C
4synchronized oscillation, locking time is fast.
Be added coupler T
3inductance L
6to two push away output power transformer T
1, T
2inductance L
2, L
5anti-phase exciting current stack, 180 ° of low-order harmonics of phase difference are cancelled out each other, and output current conversion doubles summation and delivers to lamp load, balance resistance R when two electric currents equate
9no power waste.
FM signal generator, time base chip IC
5multi-harmonic-oscillations produces low frequency sawtooth signal, capacitor C
15meet a pipe Q
3source electrode bootstrapping positive feedback, capacitor C
12when charging, resistance R
13the constant charge rate that makes of pressure drop is constant, ensures waveform linearity, frequency modulation(FM) self-oscillation chip RC oscillator, and linear saw-tooth wave changed around the benchmark crystal oscillator note lock centre frequency cycle, and elimination fluorescent tube electric arc standing wave acoustic resonance point, suppresses flicker steady light.High voltage direct current generator with press down dodge FM signal generator by time base chip IC
5555 produce oscillation boosting, rectification and filtering, kill two birds with one stone.
Fluorescent tube circuits for triggering high frequency voltage is through capacitor C
9, resistance R
10; High direct voltage is through resistance R
19, R
10to capacitor C
10charging, when voltage is charged to bidirectional trigger diode VD
1conducting, electric current is through pulse ignition transformer T
4inductance L
8, inductance L
9the high-voltage pulse of inducting, triggers high-pressure sodium fluorescent tube G gas conducting starter.After tube starting, VD1 no longer produces trigger impulse.
Abnormal condition of lamp tube detects Current Mutual Inductance magnet ring by inductance L
10voltage diode VD
3detection, capacitor C
11, resistance R
20filtering is through resistance R
7, R
8access two self-oscillation chip lamp failure protection controller SD, turn-off fast the RC blocking of oscillator, protection double push-pull inverter power pipe.The large electric current of the abnormal power tube of lamp passes through resistance R
6pressure drop is through resistance R
4, capacitor C
8opening chip IC
4cS end control failure of oscillation duplicate protection inverter power tube.
Embodiment DC low voltage power supply voltage 30V, inverter current 2.8A, the two synthetic coupling of power output 70W high-pressure sodium lamp G that push away, inversion efficiency 83%, long-time houselights is stable, does not dodge.
Claims (3)
1. the two synthetic high-pressure sodium lamps of injection phase-locking power that push away of DC low-voltage, comprise DC low voltage power supply, high-pressure sodium fluorescent tube, it is characterized in that: also comprise benchmark crystal oscillator, frequency divider, two self-oscillation chips, recommend inverter A, recommend inverter B, be added coupler T
3, fluorescent tube circuits for triggering, FM signal generator, abnormal condition of lamp tube detector; wherein; benchmark crystal oscillator is made up of quartz-crystal resonator, two inverters and resistance, electric capacity; first inverter input and the biasing of output two ends cross-over connection resistance; and respectively and connect ground capacity; simultaneously; the also quartz-crystal resonator of cross-over connection series connection trimmer; benchmark crystal oscillator output signal is through second inverter access frequency divider; self-oscillation chip includes RC oscillator, recommends inverse changing driving circuit, lamp failure protection controller SD, two self-oscillation chip RC oscillators connecting resistance R altogether
2, capacitor C
4synchronized oscillation, output connects by the recommending inverter A, recommend inverter B of two high-power MOS field effect transistor composition through recommending inverse changing driving circuit respectively, self-oscillation chip and recommend inverter A output power transformer T
1inductance L
2with self-oscillation chip and recommend inverter B output power transformer T
2inductance L
5by being added coupler T
3inductance L
6power is synthetic, inductance L
7boost and connect fluorescent tube circuits for triggering high-pressure sodium fluorescent tube starter, benchmark crystal oscillator signal injects two self-oscillation chip RC oscillator C through frequency divider
tend locking phase, two self-oscillation chip RC oscillator R of FM signal generator output sawtooth signal access
tend suppresses lamp and dodges; fluorescent tube lamp anomaly detector detection signal meets the lamp failure protection controller SD of two self-oscillation chips, and DC low voltage power supply connects benchmark crystal oscillator, frequency divider, self-oscillation chip and recommends inverter A, self-oscillation chip and recommend inverter B-source end.
2. the two synthetic high-pressure sodium lamps of injection phase-locking power that push away of DC low-voltage according to claim 1, is characterized in that: FM signal generator by time base chip IC
5, resistance R
13, R
14, R
15and capacitor C
12multi-harmonic-oscillations, IC
5d
iSend is by resistance R
16meet a pipe Q
3grid, capacitor C
15meet Q
3source resistance R
17bootstrapping positive feedback, two self-oscillation chip R of output linearity sawtooth signal access
tend frequency modulation suppresses light flash.
3. the two synthetic high-pressure sodium lamps of injection phase-locking power that push away of DC low-voltage according to claim 1, is characterized in that: fluorescent tube circuits for triggering by fluorescent tube one end through capacitor C
9, pulse firing transformer T
4inductance L
9connect and be added coupler T
3inductance L
7, capacitor C
9also and connecting resistance R
10, pulse firing transformer T
4inductance L
8meet ground capacity C
10, bidirectional trigger diode VD
1series connection pulse firing transformer T
4inductance L
8ground connection, the fluorescent tube other end is through Current Mutual Inductance magnet ring inductance L
10ground connection, high voltage direct current generator by time base chip IC
5multi-harmonic-oscillations output square wave meets transformer T
5inductance L
11through inductance L
12boost, diode VD
2rectification, capacitor C
17, resistance R
18filtering, by resistance R
19connect capacitor C
9with pulse firing transformer T
4inductance L
9contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160099.7A CN104105317B (en) | 2013-04-15 | 2013-04-15 | DC low-voltage is double pushes away injection phase-locking power combing high-pressure mercury lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160099.7A CN104105317B (en) | 2013-04-15 | 2013-04-15 | DC low-voltage is double pushes away injection phase-locking power combing high-pressure mercury lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104105317A true CN104105317A (en) | 2014-10-15 |
| CN104105317B CN104105317B (en) | 2016-12-28 |
Family
ID=51673007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310160099.7A Active CN104105317B (en) | 2013-04-15 | 2013-04-15 | DC low-voltage is double pushes away injection phase-locking power combing high-pressure mercury lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104105317B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828356A (en) * | 2018-06-11 | 2018-11-16 | 南京尤尼泰信息科技有限公司 | It is a kind of suitable for plurality of specifications crystal oscillator for electrical test circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0992483A (en) * | 1995-09-20 | 1997-04-04 | Minebea Co Ltd | High-intensity discharge lamp lighting device |
| CN202068650U (en) * | 2011-04-03 | 2011-12-07 | 张妙娟 | Solar energy power supply double push-pull oscillation power synthesized fluorescent lamp |
| CN201957316U (en) * | 2011-04-03 | 2011-08-31 | 阮树成 | High-pressure sodium lamp with direct-current low-voltage power supply and double push -pull oscillators |
| CN203193995U (en) * | 2013-04-15 | 2013-09-11 | 张妙娟 | DC low-voltage push-push injection phase-locking power-synthesizing high-voltage sodium lamp |
-
2013
- 2013-04-15 CN CN201310160099.7A patent/CN104105317B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828356A (en) * | 2018-06-11 | 2018-11-16 | 南京尤尼泰信息科技有限公司 | It is a kind of suitable for plurality of specifications crystal oscillator for electrical test circuit |
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| Publication number | Publication date |
|---|---|
| CN104105317B (en) | 2016-12-28 |
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Effective date of registration: 20191225 Address after: 313000 No. 333 Liji East Road, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 321100 No. 35, Taohuawu, Lanxi, Zhejiang, China Patentee before: Zhang Miaojuan |
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Denomination of invention: DC low voltage double push injection phase locked power synthesis high pressure sodium lamp Effective date of registration: 20210526 Granted publication date: 20161228 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2021330000456 |
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Date of cancellation: 20230404 Granted publication date: 20161228 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2021330000456 |
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Denomination of invention: DC Low Voltage Double Push Injection Phase Locked Power Synthesis High Voltage Sodium Lamp Effective date of registration: 20230413 Granted publication date: 20161228 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2023110000157 |
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Granted publication date: 20161228 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2023110000157 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: DC Low Voltage Double Push Injection Phase Locked Power Synthesis High Voltage Sodium Lamp Granted publication date: 20161228 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980013322 |