CN101609941A - Single phase intelligent electricity-saving protection control socket - Google Patents
Single phase intelligent electricity-saving protection control socket Download PDFInfo
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- CN101609941A CN101609941A CNA2009100698525A CN200910069852A CN101609941A CN 101609941 A CN101609941 A CN 101609941A CN A2009100698525 A CNA2009100698525 A CN A2009100698525A CN 200910069852 A CN200910069852 A CN 200910069852A CN 101609941 A CN101609941 A CN 101609941A
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- 238000001914 filtration Methods 0.000 claims abstract description 22
- 230000000452 restraining effect Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims description 35
- 230000001629 suppression Effects 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The present invention is a kind of single phase intelligent electricity-saving protection control socket; its technical characterstic is: be connected a transition surge restraining unit between the live wire of electricity-saving protection control circuit and ground wire input; between live wire and zero line, be connected a filtering compensation unit; between the live wire of filtering compensation unit output and zero line, be parallel with the detection indicative control unit; master control jack and controlled jack; the input that detects indicative control unit also is connected with the current transformer installed on live wire and the zero line respectively; it shows that output is connected with display screen on the Socket casing; between master control jack and controlled jack, connect one by the controlled switch that detects indicative control unit control, between rear end, filtering compensation unit and controlled jack, be connected a by-pass switch.The present invention is reasonable in design, has removed electric power rubbish such as transition, surge, harmonic wave effectively, has improved the function factor, has reduced superfluous energy consumption, has eliminated the standby power consumption, has power saving rate and cost performance height, complete, the broad-spectrum characteristics of function.
Description
Technical field
The invention belongs to electricity-saving protection control field, especially a kind of single phase intelligent electricity-saving protection control socket.
Background technology
The waste of power resource appears on the using electricity system of family or office or power consumption equipment, mainly contain the reason of three aspects: there are electric power garbage problems such as transition, surge, harmonic wave in (1), (2) exist using electricity system or power consumption equipment to surpass the above superfluous energy consumption problem of rated voltage, there is the problem of power consumption equipment standby energy consumption in (3).Just because of there being the problems referred to above, make the power consumption efficiency of using electricity system seriously descend, cause the waste of power resource, using electricity system or the power consumption equipment to family or office produces serious impact damage simultaneously.Protect for the saves energy resource and to various using electricity systems or power consumption equipment, can in using electricity system, the domestic electricity-saving device be installed or electricity-saving socket solves.The domestic electricity-saving device is divided into the three major types type substantially by electrical principles: one is the system type electricity-saving appliance, can suppress the transition surge and improve terminal power factor; Two is filtering compensation type electricity-saving appliance, can filtering or compensation harmonic and compensating reactive power; Three is the voltage-regulation type electricity-saving appliance, can reduce using electricity system or power consumption equipment and surpass the above superfluous energy consumption of rated voltage.Electricity-saving socket originally is divided into the three major types type by functional group: one is traditional plain edition, only is used to the usefulness that is electrically connected; Two is protection type, and its function mainly is to suppress transition surge (comprising thunder and lightning); Three is electricity-saving type, and its major function is a delay cut-off, cuts off the electricity supply automatically under holding state and eliminates the standby power consumption thereby be used for household electrical appliance.Above-mentioned all types of electricity-saving appliance or socket all have its functional characteristic separately; also there is limitation separately simultaneously; if only use one type electricity-saving appliance or electricity-saving socket all can not reach best power savings and to effective protective effect of power consumption equipment; if polytype electricity-saving appliance or electricity-saving socket are used on a using electricity system or the power consumption equipment simultaneously, increased user's cost of investment again.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of reasonable in design, save customer investment and can realize that best power savings reaches the single phase intelligent electricity-saving protection control socket to the using electricity system defencive function.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of single phase intelligent electricity-saving protection control socket; constitute by Socket casing and inner electricity-saving protection control circuit thereof; Socket casing one side is provided with and comprises live wire; the power input line of zero line and ground wire; this power input line is connected with the electricity-saving protection control circuit; the electricity-saving protection control circuit comprises the transition surge restraining unit; the filtering compensation unit; detect indicative control unit; first current transformer (CT1); second current transformer (CT2); between live wire and ground wire, be connected a transition surge restraining unit; between live wire and zero line, be connected a filtering compensation unit; between the live wire of filtering compensation unit output and zero line, be parallel with the detection indicative control unit; master control jack and controlled jack; the input that detects indicative control unit also respectively with live wire and zero line on first current transformer (CT1) installed; second current transformer (CT2) is connected; the demonstration output of detection indicative control unit is connected with the display screen on the Socket casing; between master control jack and controlled jack, also connect one by the controlled switch (K) that detects indicative control unit control, between rear end, filtering compensation unit and controlled jack, also be connected a by-pass switch (J1).
And, described detection indicative control unit is by microprocessor, the sampling amplifying circuit, delay controller connects and composes, two inputs of microprocessor are connected with the output of the first sampling amplifying circuit and the second sampling amplifying circuit respectively, the input of the first sampling amplifying circuit and the second sampling amplifying circuit is connected with the output of first current transformer (CT1) with second current transformer (CT2) respectively, microprocessor is connected with the delay controller that can control controlled switch (K) by output interface, and microprocessor also is connected with display screen on being installed in Socket casing by output interface.
And described microprocessor also is connected with indicator light on being installed in Socket casing by output interface.
And the described first sampling amplifying circuit and the second sampling amplifying circuit connect and compose by sampling resistor and operational amplifier, and what described sampling resistor adopted is 1206 precision resistances, and what described operational amplifier adopted is the AD8604 chip.
And described microprocessor is the ATMEGA8-8AU chip of AVR series, and described first current transformer (CT1) and second current transformer (CT2) are ZMCT103C.
And, described filtering compensation unit comprises first inductance (L1), first electric capacity (C1) and second inductance (L2), first inductance (L1) is connected on the live wire, its rear end is connected with first electric capacity (C1) with first current transformer (CT1) respectively, first electric capacity (C1) and second inductance (L2) are cascaded, the other end of second inductance (L2) be connected to zero line on and be connected with second current transformer (CT2).
And described transition surge restraining unit is piezo-resistance or transition surge suppression device.
And, also be parallel with the normal open jack between described live wire and the zero line.
And the number of described controlled jack is 1～6.
Advantage of the present invention and good effect are:
1; this electricity-saving protection control socket is with the transition surge restraining unit; the harmonic compensation unit; detecting indicative control unit organically combines; realized integrating and be embedded in various electricity-saving appliances and electricity-saving socket functional characteristic in the socket; removed transition effectively; surge; electric power rubbish such as harmonic wave; having reduced the caused power consumption of these electric power rubbish increases; improved the power consumption efficiency of whole using electricity system or power consumption equipment; reduced superfluous power consumption; also eliminated simultaneously the standby power consumption of power consumption equipment, its power saving rate is generally up to 30%; electric power rubbish (harmonic wave; transition; surge) clearance rate can reach more than 35%.
2, this electricity-saving protection socket is by electric power rubbish such as the transition in the inhibition electrical network, surges; protected power consumption equipment not to be subjected to its interference, damage; improved and used electricity quality; guaranteed the stable operation of using electricity system or power consumption equipment; prolonged the useful life of power consumption equipment; reduced the failure rate and the maintenance cost of power consumption equipment, reached double effects using electricity system or power consumption equipment economize on electricity and protection.
3, this electricity-saving protection socket can be applicable in family and the office; socket is provided with master control jack and controlled jack; by detecting connection or the disconnection that indicative control unit can detect the main control device state on the master control jack and control controlled switch (K); eliminated the standby power consumption on the controlled jack effectively; what this socket can be used as electrical equipment such as the used computer of family and office, TV, split-type air conditioner, refrigerator must use accessory, has that function is complete, performance is excellent, price is low, broad-spectrum characteristics.
4, this electricity-saving protection socket is provided with display screen and indicator light; can observe intuitively that the power consumption equipment that is connected on the socket is moving or electric parameter such as electric current during standby, power by display screen; by the indicator light current slave mode that can visually see; the user is come into plain view for the economize on electricity situation, have more practicality and convenience.
5, this electricity-saving protection socket is provided with by-pass switch; the two ends of this by-pass switch are connected between rear end, filtering compensation unit and the controlled jack; when this by-pass switch was closed, this electricity-saving protection socket can use controlled jack as common jack, have the characteristics of flexible setting.
6, the present invention integrates the function of all kinds electricity-saving appliance and electricity-saving socket effectively, electric power rubbish such as transition, surge, harmonic wave have been removed effectively, improved the function factor, reduced superfluous energy consumption, eliminated the standby power consumption, have power saving rate and cost performance height, complete, the broad-spectrum characteristics of function, can be widely used in 220V such as family, office and exchange in the using electricity system.
Description of drawings
Fig. 1 is an outward appearance front view of the present invention;
Fig. 2 is the schematic block circuit diagram of single phase intelligent electricity-saving protection control socket;
Fig. 3 is the schematic block circuit diagram that detects indicative control unit.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is further described.
A kind of single phase intelligent electricity-saving protection control socket as shown in Figure 1, is made of Socket casing 2 and inner electricity-saving protection control circuit thereof.Be provided with power input line 1 in Socket casing one side, this power input line comprises live wire, zero line and ground wire, and this power input line is connected with the electricity-saving protection control circuit; Be provided with normal open jack 3, master control jack 4 and controlled jack 6 on Socket casing, wherein the number of controlled jack is 1～6, and in the present embodiment, the quantity of controlled jack is 3; Also be provided with display screen 5 and indicator light 7 on Socket casing, this display screen can show power consumption equipment at electric parameters such as operation or the electric current during standby, power, and the light on and off by indicator light can demonstrate current slave mode intuitively; On Socket casing, be provided with by-pass switch 8, the mode of operation of this electricity-saving protection control socket is set: electricity-saving protection control model and general mode by the opened/closed of this by-pass switch, under the electricity-saving protection control model, this electricity-saving protection control socket has Full Featured electricity-saving protection controlled function; Under general mode, this protection control socket can be used as a common socket and uses.
Electricity-saving protection control circuit in the Socket casing, as shown in Figure 2, by transition surge restraining unit 9, filtering compensation unit 10, detect indicative control unit, first current transformer (CT1), second current transformer (CT2) and by-pass switch (J1) connect and compose, live wire in the power input line, zero line and ground wire are connected with the electricity-saving protection control circuit, between live wire and ground wire, be connected a transition surge restraining unit, between live wire and zero line, be connected a filtering compensation unit, between the live wire of filtering compensation unit output and zero line, be parallel with the detection indicative control unit, the normal open jack, master control jack and controlled jack, the input that detects indicative control unit also respectively with live wire and zero line on first current transformer (CT1) installed, second current transformer (CT2) is connected, the demonstration output of detection indicative control unit is connected with the display screen on the Socket casing, also connect one by the controlled switch (K) that detects indicative control unit control between master control jack and controlled jack, the connection of this controlled switch or disconnection can be controlled the on/off of controlled jack; Between rear end, filtering compensation unit and controlled jack, also be connected a by-pass switch (J1).
Transition surge restraining unit in the electricity-saving protection control circuit can use piezo-resistance; also can use P6KE260A or 1.5K260A or 5KP surge suppression device; the transition surge is suppressed; the instantaneous pressure that thunderbolt produces is protected; that in the present embodiment, the transition surge restraining unit uses is piezo-resistance (RV).
Filtering compensation unit in the electricity-saving protection control circuit comprises first inductance (L1), first electric capacity (C1) and second inductance (L2); first inductance (L1) is connected on the live wire; its rear end is connected with first electric capacity (C1) with first current transformer (CT1) respectively; first electric capacity (C1) and second inductance (L2) are cascaded, the other end of second inductance (L2) be connected to zero line on and be connected with second current transformer (CT2).The automatic tracking and compensating harmonic wave is not only realized in this filtering compensation unit, also can realize the function that automatic tracking and compensating is idle.
Detection indicative control unit in the electricity-saving protection control circuit, as shown in Figure 3, by microprocessor, the first sampling amplifying circuit, the second sampling amplifying circuit and delay controller constitute, two inputs of microprocessor are connected with the output of the first sampling amplifying circuit and the second sampling amplifying circuit respectively, the input of the first sampling amplifying circuit and the second sampling amplifying circuit is connected with the output of first current transformer (CT1) with second current transformer (CT2) respectively, and this first sampling amplifying circuit and the second sampling amplifying circuit connect and compose by sampling resistor and operational amplifier; Microprocessor is connected with the delay controller that can control controlled switch (K) by output interface, and microprocessor also is connected with display screen and indicator light on being installed in Socket casing by output interface respectively.In foregoing circuit, first current transformer (CT1) and second current transformer (CT2) be connected on the live wire and zero line on and export induced current, this induced current is connected respectively to the input of the first sampling amplifying circuit and the second sampling amplifying circuit, gather and amplify by sampling resistor and input to microprocessor, can control the connection or the disconnection of controlled switch after the microprocessor processes by delay controller by operational amplifier.In the present embodiment, what microprocessor adopted is the ATMEGA8-8AU chip of AVR series, that first current transformer (CT1) and second current transformer (CT2) adopt is the ZMCT103C that bright Electronics Co., Ltd. is selected in Nanjing, what the sampling resistor in the first sampling amplifying circuit and the second sampling amplifying circuit adopted is 1206 precision resistances of one of percentage precision, and what described operational amplifier adopted is that no phase shift function is the AD8604 chip.
Detect indicative control unit and adopt modular design, can detect the induced current on live wire and the zero line and be transferred to microprocessor by two current transformers and two sampling amplifying circuits, control the connection or the disconnection of controlled switch (K) by delay controller by microprocessor, thereby realize the break-make of controlled jack power supply is handled, eliminated the situation of standby power consumption effectively, for example, computer power is inserted on the master control jack, with display, printer, audio amplifiers etc. are inserted on the controlled jack, when detecting indicative control unit and detect computer on the master control jack and close by current transformer and sampling amplifying circuit, wait for that one section delay time (as 3 minutes) back disconnects power supply on the controlled jack by delay controller control controlled switch, make display on the controlled jack, printer, power supplys such as audio amplifier all disconnect, thereby have eliminated the standby power consumption.
Embodiment of the present invention is illustrative; rather than it is determinate; therefore the present invention is not limited to the embodiment described in the embodiment, and every other execution modes that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope of protection of the invention equally.
Claims (9)
1; a kind of single phase intelligent electricity-saving protection control socket; constitute by Socket casing and inner electricity-saving protection control circuit thereof; Socket casing one side is provided with and comprises live wire; the power input line of zero line and ground wire; this power input line is connected with the electricity-saving protection control circuit; it is characterized in that: the electricity-saving protection control circuit comprises the transition surge restraining unit; the filtering compensation unit; detect indicative control unit; first current transformer (CT1); second current transformer (CT2); between live wire and ground wire, be connected a transition surge restraining unit; between live wire and zero line, be connected a filtering compensation unit; between the live wire of filtering compensation unit output and zero line, be parallel with the detection indicative control unit; master control jack and controlled jack; the input that detects indicative control unit also respectively with live wire and zero line on first current transformer (CT1) installed; second current transformer (CT2) is connected; the demonstration output of detection indicative control unit is connected with the display screen on the Socket casing; between master control jack and controlled jack, also connect one by the controlled switch (K) that detects indicative control unit control, between rear end, filtering compensation unit and controlled jack, also be connected a by-pass switch (J1).
2; single phase intelligent electricity-saving protection control socket according to claim 1; it is characterized in that: described detection indicative control unit is by microprocessor; the sampling amplifying circuit; delay controller connects and composes; two inputs of microprocessor are connected with the output of the first sampling amplifying circuit and the second sampling amplifying circuit respectively; the input of the first sampling amplifying circuit and the second sampling amplifying circuit is connected with the output of first current transformer (CT1) with second current transformer (CT2) respectively; microprocessor is connected with the delay controller that can control controlled switch (K) by output interface, and microprocessor also is connected with display screen on being installed in Socket casing by output interface.
3, single phase intelligent electricity-saving protection control socket according to claim 2 is characterized in that: described microprocessor also is connected with indicator light on being installed in Socket casing by output interface.
4, single phase intelligent electricity-saving protection control socket according to claim 2; it is characterized in that: the described first sampling amplifying circuit and the second sampling amplifying circuit connect and compose by sampling resistor and operational amplifier; what described sampling resistor adopted is 1206 precision resistances, and what described operational amplifier adopted is the AD8604 chip.
5, single phase intelligent electricity-saving protection control socket according to claim 2; it is characterized in that: described microprocessor is the ATMEGA8-8AU chip of AVR series, and described first current transformer (CT1) and second current transformer (CT2) are ZMCT103C.
6, single phase intelligent electricity-saving protection control socket according to claim 1; it is characterized in that: described filtering compensation unit comprises first inductance (L1), first electric capacity (C1) and second inductance (L2); first inductance (L1) is connected on the live wire; its rear end is connected with first electric capacity (C1) with first current transformer (CT1) respectively; first electric capacity (C1) and second inductance (L2) are cascaded, the other end of second inductance (L2) be connected to zero line on and be connected with second current transformer (CT2).
7, single phase intelligent electricity-saving protection control socket according to claim 1 is characterized in that: described transition surge restraining unit is piezo-resistance or transition surge suppression device.
8, single phase intelligent electricity-saving protection control socket according to claim 1 is characterized in that: also be parallel with the normal open jack between described live wire and the zero line.
9, single phase intelligent electricity-saving protection control socket according to claim 1 is characterized in that: the number of described controlled jack is 1～6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910069852A CN101609941B (en) | 2009-07-23 | 2009-07-23 | Single phase intelligent electricity-saving protection control socket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910069852A CN101609941B (en) | 2009-07-23 | 2009-07-23 | Single phase intelligent electricity-saving protection control socket |
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| Publication Number | Publication Date |
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| CN101609941A true CN101609941A (en) | 2009-12-23 |
| CN101609941B CN101609941B (en) | 2012-09-05 |
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| CN200910069852A Active CN101609941B (en) | 2009-07-23 | 2009-07-23 | Single phase intelligent electricity-saving protection control socket |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771220A (en) * | 2010-03-05 | 2010-07-07 | 湖北莱克斯特科技有限公司 | Intelligent electricity-saving protective-control power socket applied to computer |
| CN101834392A (en) * | 2010-03-05 | 2010-09-15 | 湖北莱克斯特科技有限公司 | Intelligent electricity-saving protective control plug socket for television |
| CN105977726A (en) * | 2016-06-23 | 2016-09-28 | 惠州市富斯迈电子有限公司 | Wall-plugged socket-based safety control method and wall-plugged socket |
| CN106785703A (en) * | 2016-12-12 | 2017-05-31 | 杭州知加网络科技有限公司 | A kind of overload protection connector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19634440A1 (en) * | 1996-08-26 | 1998-03-05 | Siemens Ag | Fault current detection method |
| CN2405345Y (en) * | 1999-11-11 | 2000-11-08 | 王宁 | Lightning protection and anti-interference electric power supply socket |
| US20060279258A1 (en) * | 2005-06-08 | 2006-12-14 | Alcon, Inc. | Method and system for providing current leveling capability |
| CN2884645Y (en) * | 2006-02-26 | 2007-03-28 | 李绪平 | General multifunction electricity saver |
| CN201018407Y (en) * | 2007-02-02 | 2008-02-06 | 深圳晶辰电子科技股份有限公司 | Surge-suppressing circuit |
-
2009
- 2009-07-23 CN CN200910069852A patent/CN101609941B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771220A (en) * | 2010-03-05 | 2010-07-07 | 湖北莱克斯特科技有限公司 | Intelligent electricity-saving protective-control power socket applied to computer |
| CN101834392A (en) * | 2010-03-05 | 2010-09-15 | 湖北莱克斯特科技有限公司 | Intelligent electricity-saving protective control plug socket for television |
| CN101834392B (en) * | 2010-03-05 | 2012-05-30 | 湖北莱克斯特科技有限公司 | Intelligent electricity-saving protective control plug socket for television |
| CN105977726A (en) * | 2016-06-23 | 2016-09-28 | 惠州市富斯迈电子有限公司 | Wall-plugged socket-based safety control method and wall-plugged socket |
| CN106785703A (en) * | 2016-12-12 | 2017-05-31 | 杭州知加网络科技有限公司 | A kind of overload protection connector |
| CN106785703B (en) * | 2016-12-12 | 2019-08-06 | 深圳市威尔达电子有限公司 | A kind of overload protection connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101609941B (en) | 2012-09-05 |
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Owner name: SHENZHEN VICLAND SPIRIT ENERGY-SAVING TECHNOLOGY C Free format text: FORMER OWNER: LI WENBIN Effective date: 20100519 |
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Free format text: CORRECT: ADDRESS; FROM: 300181 NO.ZENGYI, BEIYUANLI, GUANGRUI ROAD, ZHONGSHANMEN, HEDONG DISTRICT, TIANJIN CITY TO: 518067 TOWER A, SOUTH 3RD HOUSE, LIGHTING CENTER, CHINA LIGHT AND POWER CO., LTD., KEJI SOUTH 12TH ROAD, NANSHAN DISTRICT, SHENZHEN CITY |
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Effective date of registration: 20100519 Address after: 518067 A, South third floor, Central Electric Lighting Center, twelve South tech Road, Shenzhen, Nanshan District Applicant after: Shenzhen Vicland Spirit Energy-saving Technology Co., Ltd. Address before: 300181 Tianjin City Hedong District Zhongshan Gate Guangrui Road by a number in the park Applicant before: Li Wenbin |
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Address after: Lin Xi Lu Longgang Dragon Street District of Shenzhen City, Guangdong province 518172 Shenzhen city students (Longgang) Park Park 414, 417, 420 Patentee after: Shenzhen Weili low carbon Limited by Share Ltd Address before: 518067 A, South third floor, central Lighting Center, twelve South tech Road, Nanshan District, Guangdong, Shenzhen Patentee before: Shenzhen Vicland Spirit Energy-saving Technology Co., Ltd. |