CN101977472A - Efficient LED illuminating lamp - Google Patents
Efficient LED illuminating lamp Download PDFInfo
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- CN101977472A CN101977472A CN2010105460982A CN201010546098A CN101977472A CN 101977472 A CN101977472 A CN 101977472A CN 2010105460982 A CN2010105460982 A CN 2010105460982A CN 201010546098 A CN201010546098 A CN 201010546098A CN 101977472 A CN101977472 A CN 101977472A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 27
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to an efficient LED illuminating lamp, belonging to the technical field of electronic application. The efficient LED illuminating lamp comprises a storage battery and an LED lamp panel and is characterized in that a monitoring switch circuit unit monitors the voltage set by the storage battery; the LED lamp panel is formed by connecting LED groups in parallel; and each LED group is formed by connecting eight LEDs in pairwise parallel and then in series. A power supply circuit is switched according to the condition of a storage battery voltage monitoring circuit, therefore, the consumption of the LED power supply circuit is reduced, the electricity of the storage battery is efficiently realized and the luminance and the illuminating time of the LED illuminating lamp are improved to the maximum.
Description
Technical field
The present invention relates to a kind of illuminating lamp, particularly relate to a kind of efficient LED illuminating lamp, belong to the electrical application technology field.
Background technology
LED is as a kind of novel solid state light emitter, have characteristics such as volume is little, low in energy consumption, the life-span long, response is fast, reliability height, at present by universally acknowledged for being the most promising a kind of energy-conserving and environment-protective lighting source, become the focus of the competition in power-saving technology field, various countries, in medium-term and long-term science and technology development planning is listed the semiconductor LED illumination by China, and urban lighting illumination and civil area from now on will be widely used.Owing to be subjected to the restriction of single LED power level, need a plurality of LED series, parallel could satisfy the brightness of illumination demand usually.Current type of drive mainly contains two kinds: first kind is the constant voltage source power supply, is in series with current-limiting resistance in power supply and LED assembly circuit, as shown in Figure 1.Because the temperature characterisitic of the voltage-current characteristic of LED is different from general diode, the temperature coefficient of its voltage-current characteristic is born.The major part of LED input electric power all will be converted into heat energy, if junction temperature raises 50 ℃, and the voltage-current characteristic 200mV that will move to left so.So the power supply of employing constant voltage source can make the increase of LED forward current following temperature rising and increase, and causes junction temperature further to raise, light decay strengthens, the lost of life.Simultaneously, the current-limiting resistance of connecting in the circuit can consume bigger power, and is all bigger than LED sometimes.Second kind is the constant-current supply power supply, can avoid the change of LED forward voltage and cause the electric current change, it is the LED type of drive that present numerous producer selects for use, can adopt Switching Power Supply pattern or linear voltage stabilization device constant current drive mode, but constant-current supply all has a sample resistance, this sample resistance is connected on the LED current supply circuit, it is converted into voltage signal to the LED operating current, controller is according to the variation of this voltage, the linear voltage drop of adjusting on the pipe of the duty ratio of FEEDBACK CONTROL Switching Power Supply or FEEDBACK CONTROL, the output of realization constant current, as shown in Figure 2.Thereby linear voltage regulator exists sample resistance and the linear big problem of pipe power consumption, the problem that the Switching Power Supply pattern also exists noise radiation to disturb adjusted.
Summary of the invention
The object of the present invention is to provide a kind of efficient LED illuminating lamp, this illuminating lamp can reduce the consumption of LED power supply circuits, improves the brightness and the lighting hours of LED illuminating lamp to greatest extent.
Technical scheme of the present invention:
The efficient LED illuminating lamp comprises storage battery, LED lamp plate; One monitoring switch circuit units is by time-base circuit IC
1, three terminal regulator IC
2, resistance R, resistance R
1, resistance R
2, accurate adjustable resistance W, diode D, voltage stabilizing didoe DW, relay J, relay normally opened contact JK, filtering anti-interference capacitor C
1, filtering anti-interference capacitor C
2, filtering anti-interference capacitor C
3Form; Wherein, storage battery E positive pole respectively with normally opened contact JK one end, the filtering anti-interference capacitor C of resistance R one end, relay
3One end, resistance R
1One end, three terminal regulator IC
2Input 1 pin joins, storage battery E negative pole respectively with LED lamp plate negative pole, filtering anti-interference capacitor C
3The other end, resistance R
2One end, filtering anti-interference capacitor C
1One end, filtering anti-interference capacitor C
2One end, voltage stabilizing didoe DW positive pole, time-base circuit IC
11 pin, relay J one end, diode D positive pole join; Time-base circuit IC
12 pin respectively with filtering anti-interference capacitor C
2The sliding contact of the other end, accurate adjustable resistance W joins, time-base circuit IC
13 pin join time-base circuit IC with the relay J other end, diode D negative pole respectively
15 pin respectively with filtering anti-interference capacitor C
1The other end, voltage stabilizing didoe DW negative pole join time-base circuit IC
14,6,8 pin all with three terminal regulator IC
2Output 2 pin join; The common two ends of accurate adjustable resistance W respectively with resistance R
1The other end, resistance R
2The other end joins; LED lamp plate positive pole joins with the normally opened contact JK other end of the resistance R other end, relay respectively.
Described LED lamp plate is to be composed in parallel by the LED group, and each LED group is by being composed in series after 8 LED parallel connections in twos again.
Described storage battery is lead acid accumulator, nickel-hydrogen accumulator or lithium battery.
During work, time-base circuit IC
1Be connected into the monostable mode of operation, three terminal regulator IC
2Guarantee time-base circuit IC
1Stable operating voltage, resistance R
1, resistance R
2, accurate adjustable resistance W is the voltage monitoring network, forms the battery tension sample circuit.Sampling voltage adds to time-base circuit IC
12 pin, regulate accurate adjustable resistance W and set monitoring voltage.When battery tension is reduced to selected voltage (as 12.5V), time-base circuit IC
12 pin current potentials then be lower than the threshold level of setting, this moment time-base circuit IC
13 pin output high level make the relay J adhesive, the normally opened contact JK of relay connects, resistance R is by short circuit, storage battery E directly powers to the LED lamp plate.When storage battery E voltage is elevated to greater than selected voltage (12.5V), time-base circuit IC
12 pin current potentials then be higher than the threshold level of setting, this moment time-base circuit IC
13 pin output low levels relay J is discharged, the normally opened contact JK of relay disconnects, resistance R is access in.
Good effect of the present invention is:
1, the present invention is according to voltage, the electric current variation characteristic of LED, according to storage battery output voltage excursion, neither adopt constant voltage, also without constant current, but introduce the normally opened contact K of relay and the commutation circuit that resistance R constitutes effectively, according to the battery tension supervisory circuit, under the condition that selected voltage occurs, switch power supply circuits by resistance R short circuit or access, reduce the consumption of LED power supply circuits, realize utilizing battery power expeditiously, thereby improve the brightness and the lighting hours of LED illuminating lamp to greatest extent.
2, the present invention can make the LED lamp plate be unlikely to battery discharging to final voltage in an illumination period.Storage battery is discharged to final discharging voltage from selected voltage, and no excessive power drain ground all is used for the LED illumination, in the whole permission operating voltage range of storage battery, has realized efficiently utilizing the LED illumination of power.
Description of drawings
Fig. 1 is a prior art constant voltage source power supply circuit;
Fig. 2 is a prior art constant-current supply power supply circuit;
Fig. 3 is the circuit diagram of LED group of the present invention;
Fig. 4 is an electrical schematic diagram of the present invention.
Embodiment
As shown in Figure 4, the efficient LED illuminating lamp is made up of storage battery E, monitoring switch circuit units and LED lamp plate 1.Described storage battery can be lead acid accumulator, nickel-hydrogen accumulator or lithium battery.Described monitoring switch circuit units is by 555 time-base circuit IC
1, 78L08 three terminal regulator IC
2, resistance R, 20K Ω resistance R
1, 10K Ω resistance R
2, the accurate adjustable resistance W of 10K Ω, diode D, 5.1V voltage stabilizing didoe DW, relay J, relay normally opened contact JK, filtering anti-interference capacitor C
1, filtering anti-interference capacitor C
2, filtering anti-interference capacitor C
3Form.
Wherein, storage battery E positive pole respectively with normally opened contact JK one end, the filtering anti-interference capacitor C of resistance R one end, relay
3One end, 20K Ω resistance R
1One end, 78L08 three terminal regulator IC
2Input 1 pin joins; Storage battery E negative pole respectively with LED lamp plate negative pole, filtering anti-interference capacitor C
3The other end, 10K Ω resistance R
2One end, filtering anti-interference capacitor C
1One end, filtering anti-interference capacitor C
2One end, 5.1V voltage stabilizing didoe DW positive pole, 555 time-base circuit IC
11 pin, relay J one end, diode D positive pole join; 555 time-base circuit IC
12 pin respectively with filtering anti-interference capacitor C
2The sliding contact of the other end, the accurate adjustable resistance W of 10K Ω joins; 555 time-base circuit IC
13 pin join with the relay J other end, diode D negative pole respectively; 555 time-base circuit IC
15 pin respectively with filtering anti-interference capacitor C
1The other end, 5.1V voltage stabilizing didoe DW negative pole join 555 time-base circuit IC
14,6,8 pin all with 78L08 three terminal regulator IC
2Output 2 pin join; The common two ends of the accurate adjustable resistance W of 10K Ω respectively with 20K Ω resistance R
1The other end, 10K Ω resistance R
2The other end joins, and LED lamp plate positive pole joins with the normally opened contact JK other end of the resistance R other end, relay respectively.Described LED lamp plate be 100 groups by after 8 LED parallel connections in twos again the LED group of series connection compose in parallel.
During work, 555 time-base circuit IC
1Be connected into the monostable mode of operation, 78L08 three terminal regulator IC
2Guarantee 555 time-base circuit IC
1Stable operating voltage, 20K Ω resistance R
1, 10K Ω resistance R
2, the accurate adjustable resistance W of 10K Ω is the voltage monitoring network, forms the battery tension sample circuit.Sampling voltage adds to 555 time-base circuit IC
12 pin, regulate the accurate adjustable resistance W of 10K Ω and set monitoring voltage.When battery tension is reduced to selected voltage (as 12.5V), 555 time-base circuit IC
12 pin current potentials then be lower than the threshold level of setting, this moment 555 time-base circuit IC
13 pin output high level make the relay J adhesive, the normally opened contact JK of relay connects, resistance R is by short circuit, storage battery E directly powers to the LED lamp plate.When storage battery E is recharged when making voltage be elevated to greater than selected voltage (12.5V) 555 time-base circuit IC
12 pin current potentials then be higher than the threshold level of setting, this moment 555 time-base circuit IC
13 pin output low levels relay J is discharged, the normally opened contact JK of relay disconnects, resistance R is access in.
The efficient LED illuminating lamp is according to voltage, the electric current variation characteristic of LED, according to storage battery output voltage excursion, neither adopt constant voltage, also without constant current, but normally opened contact K and the resistance R of introducing relay effectively constitute commutation circuit, according to the battery tension supervisory circuit, under the condition that selected voltage occurs, switch power supply circuits by resistance R short circuit or access, reduce the consumption of LED power supply circuits, realize utilizing battery power expeditiously, thereby improve the brightness and the lighting hours of LED illuminating lamp to greatest extent.
Below with " 50W photovoltaic and wind energy DC12V street lamp " as specific embodiment:
The LED lamp plate of " 50W photovoltaic and wind energy DC12V street lamp ", be to be composed in parallel by the LED group of connecting again after 100 groups of 8 LED parallel connections in twos as shown in Figure 3, single LED is the encapsulation of 5mm white light straw hat head, forward voltage 3.0V-3.6V, representative value voltage 3.3V, electric current 20mA.Because after the forward voltage that is added on the LED two ends surpasses 3.6V, the increase that forward voltage is very little, the forward current of LED is sharp increase at double all, makes the temperature rise of LED tube core too fast, quickens the LED optical attenuation, makes the lost of life of LED, in the time of seriously even burn out LED.Therefore, the operating voltage with every LED is set at 3.3V, operating current is not more than 20mA.Power supply is provided by the maintenance-free lead-acid battery of normal voltage 12V, and its whole permission operating voltage range is 10.8V-14.5V, and 10.8V is a final discharging voltage, ceiling voltage when 14.5V is full charge.
Reach at the storage battery full charge under the situation of ceiling voltage 14.5V, the operating current of every LED is no more than 20mA.According to Ohm's law, I=V ÷ R, the electric current after the value of R=(operating voltage during the storage battery full charge after ceiling voltage-4 the LED series connection) 100 groups of LED parallel connections of ÷=[14.5V-(3.3V * 4)] ÷ (0.02A * 2 * 100 group).R＝1.3÷4＝0.325Ω。The monitoring switch circuit units is monitored the voltage of setting.
When battery tension reduced gradually, the operating current of LED is inevitable also can be reduced gradually.Actual test, when ambient temperature is 30 ℃, when voltage was reduced to 12.5V, the operating current of every LED was 15mA, overall brightness descends not obvious, can satisfy the design lighting requirement fully.Therefore, when battery tension is reduced to 12.5V, 555 time-base circuit IC
12 pin current potentials then be lower than the threshold level of setting, the monitoring switch circuit units is with the resistance R short circuit, the LED lamp plate directly inserts storage battery, the operating current of every LED increases to 20mA, battery tension is directly supplied with the LED lamp plate.When battery tension was reduced to final discharging voltage (10.8V), the operating voltage of every LED was 10.8V ÷ 4=2.7V, was the cut-ff voltage of LED substantially, and the electric current convergence is 0, can not cause battery overdischarge.
The composition of each LED group is not limited to 8, can be defined as 2,4,6,8,10 or 12 etc. as required.
Select the suitable capacity storage battery, the LED lamp plate is unlikely to the final voltage of battery discharging to 10.8V in an illumination period.Storage battery is discharged to 10.8V from 12.5V, almost accounts for 80% of whole electric power storage energy, and no excessive power drain ground all is used for the LED illumination, in the whole permission operating voltage range of storage battery 10.8V-14.5V, has realized efficiently utilizing the LED illumination of power.
Claims (3)
1. an efficient LED illuminating lamp comprises storage battery and LED lamp plate, it is characterized in that: the voltage that the monitoring switch circuit units is set storage battery is monitored; Described monitoring switch circuit units comprises time-base circuit (IC
1), three terminal regulator (IC
2), resistance (R), resistance (R
1), resistance (R
2), accurate adjustable resistance (W), diode (D), voltage stabilizing didoe (DW), relay (J), the normally opened contact (JK) of relay, filtering anti-interference capacitor (C
1), filtering anti-interference capacitor (C
2) and filtering anti-interference capacitor (C
3); Wherein, storage battery (E) positive pole respectively with normally opened contact (JK) end, the filtering anti-interference capacitor (C of resistance (R) end, relay
3) end, resistance (R
1) end, three terminal regulator (IC
2) input 1 pin joins, storage battery (E) negative pole respectively with LED lamp plate negative pole, filtering anti-interference capacitor (C
3) other end, resistance (R
2) end, filtering anti-interference capacitor (C
1) end, filtering anti-interference capacitor (C
2) end, voltage stabilizing didoe (DW) are anodal, time-base circuit (IC
1) 1 pin, relay (J) end, diode (D) positive pole join; Time-base circuit (IC
1) 2 pin respectively with filtering anti-interference capacitor (C
2) sliding contact of the other end, accurate adjustable resistance (W) joins time-base circuit (IC
1) 3 pin join time-base circuit (IC with relay (J) other end, diode (D) negative pole respectively
1) 5 pin respectively with filtering anti-interference capacitor (C
1) other end, voltage stabilizing didoe (DW) negative pole join time-base circuit (IC
1) 4,6,8 pin all with three terminal regulator (IC
2) output 2 pin join; The common two ends of accurate adjustable resistance (W) respectively with resistance (R
1) other end, resistance (R
2) other end joins; LED lamp plate positive pole joins with normally opened contact (JK) other end of resistance (R) other end, relay respectively.
2. efficient LED illuminating lamp according to claim 1 is characterized in that: described LED lamp plate is to be composed in parallel by the LED group, and each LED group is by being composed in series after 8 LED parallel connections in twos again.
3. efficient LED illuminating lamp according to claim 1 and 2 is characterized in that: described storage battery is lead acid accumulator, nickel-hydrogen accumulator or lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105460982A CN101977472B (en) | 2010-11-16 | 2010-11-16 | Efficient LED illuminating lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105460982A CN101977472B (en) | 2010-11-16 | 2010-11-16 | Efficient LED illuminating lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101977472A true CN101977472A (en) | 2011-02-16 |
| CN101977472B CN101977472B (en) | 2013-03-13 |
Family
ID=43577308
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105460982A Expired - Fee Related CN101977472B (en) | 2010-11-16 | 2010-11-16 | Efficient LED illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101977472B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231261A (en) * | 2011-06-10 | 2011-11-02 | 中航华东光电有限公司 | Drive circuit of LED (light-emitting diode) backlight and control method thereof |
| CN102355780A (en) * | 2011-09-23 | 2012-02-15 | 浙江世明光学科技有限公司 | LED (light-emitting diode) tube and drive circuit thereof |
| CN102723771A (en) * | 2012-06-19 | 2012-10-10 | 山东浪潮华光照明有限公司 | Power supply automatic switching circuit for double-power-supply LED (Light-Emitting Diode) street lamp |
| CN103874273A (en) * | 2012-12-11 | 2014-06-18 | 李顺华 | Driving power supply device for ballast LED (light emitting diode) lamp |
| CN105828483A (en) * | 2016-05-18 | 2016-08-03 | 上海欧美拉光电股份有限公司 | LED lamp system with high luminous efficiency |
| CN109818406A (en) * | 2019-03-14 | 2019-05-28 | 宁波英泰克照明有限公司 | A kind of new type solar energy lighting system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201585172U (en) * | 2009-11-13 | 2010-09-15 | 天津市数通科技有限公司 | High-efficiency and low-consumption power supply circuit of LED illuminating lamp power controller |
| CN201852018U (en) * | 2010-11-16 | 2011-06-01 | 山东华盈电力能源发展有限公司 | Efficient LED lighting |
-
2010
- 2010-11-16 CN CN2010105460982A patent/CN101977472B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201585172U (en) * | 2009-11-13 | 2010-09-15 | 天津市数通科技有限公司 | High-efficiency and low-consumption power supply circuit of LED illuminating lamp power controller |
| CN201852018U (en) * | 2010-11-16 | 2011-06-01 | 山东华盈电力能源发展有限公司 | Efficient LED lighting |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231261A (en) * | 2011-06-10 | 2011-11-02 | 中航华东光电有限公司 | Drive circuit of LED (light-emitting diode) backlight and control method thereof |
| CN102231261B (en) * | 2011-06-10 | 2013-07-10 | 中航华东光电有限公司 | Drive circuit of LED (light-emitting diode) backlight and control method thereof |
| CN102355780A (en) * | 2011-09-23 | 2012-02-15 | 浙江世明光学科技有限公司 | LED (light-emitting diode) tube and drive circuit thereof |
| CN102723771A (en) * | 2012-06-19 | 2012-10-10 | 山东浪潮华光照明有限公司 | Power supply automatic switching circuit for double-power-supply LED (Light-Emitting Diode) street lamp |
| CN103874273A (en) * | 2012-12-11 | 2014-06-18 | 李顺华 | Driving power supply device for ballast LED (light emitting diode) lamp |
| CN103874273B (en) * | 2012-12-11 | 2019-08-02 | 李顺华 | A kind of drive electric power unit of ballast formula LED light |
| CN105828483A (en) * | 2016-05-18 | 2016-08-03 | 上海欧美拉光电股份有限公司 | LED lamp system with high luminous efficiency |
| CN109818406A (en) * | 2019-03-14 | 2019-05-28 | 宁波英泰克照明有限公司 | A kind of new type solar energy lighting system |
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| Publication number | Publication date |
|---|---|
| CN101977472B (en) | 2013-03-13 |
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Owner name: FANG LIN Free format text: FORMER OWNER: SHANDONG HUAYING ELECTRIC POWER DEVELOPMENT CO., LTD. Effective date: 20110708 Owner name: LU HUISHUI |
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Free format text: CORRECT: INVENTOR; FROM: FANG LIN LU HUISHUI LI YUNDONG TO: FANG LIN LU HUISHUI Free format text: CORRECT: ADDRESS; FROM: 250100 ROOM 508, BUILDING 2, OVERSEAS STUDENTS VENTURE PARK, NO. 19, HUANENG ROAD, LICHENG DISTRICT, JI'NAN CITY, SHANDONG PROVINCE TO: 250011 NO. 401, UNIT 1, BUILDING 42, XIAOYUANZHUANG, LIXIA DISTRICT, JI'NAN CITY, SHANDONG PROVINCE |
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Effective date of registration: 20110708 Address after: Lixia District, Shandong city of Ji'nan Province, a small village 250011 building 42, unit 1, No. 401 Applicant after: Fang Lin Co-applicant after: Lu Huishui Address before: 508, room 2, building 19, Pioneer Park, No. 250100 Huaneng Road, Licheng District, Shandong, Ji'nan Applicant before: Shandong Huaying Electric Power Development Co., Ltd. |
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Application publication date: 20110216 Assignee: HENAN XINJIXIANG ELECTRONIC TECHNOLOGY CO., LTD. Assignor: Lu Hui| Fang Lin Contract record no.: 2015370000001 Denomination of invention: Array composite groove phase change cooling heat radiating high-power efficient LED lighting lamp Granted publication date: 20130313 License type: Exclusive License Record date: 20150109 |
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