CN201118235Y - Combined frequency conversion-type electricity saver - Google Patents
Combined frequency conversion-type electricity saver Download PDFInfo
- Publication number
- CN201118235Y CN201118235Y CNU200720096727XU CN200720096727U CN201118235Y CN 201118235 Y CN201118235 Y CN 201118235Y CN U200720096727X U CNU200720096727X U CN U200720096727XU CN 200720096727 U CN200720096727 U CN 200720096727U CN 201118235 Y CN201118235 Y CN 201118235Y
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- phase firewire
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- 230000005611 electricity Effects 0.000 title description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 36
- 230000007704 transition Effects 0.000 claims description 30
- 230000001629 suppression Effects 0.000 claims description 19
- 230000001052 transient effect Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 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
- Y02E40/40—Arrangements for reducing harmonics
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a combined frequency conversion typed power saver, which consists of a terminal blocks row of an A phrase live wire, a B phrase live wire, a C phrase live wire, an E wire and an N wire; wherein, the A phrase live wire, the B phrase live wire, the C phrase live wire, and the E wire on the terminal blocks row are respectively connected with the three input ends and the E end of a frequency converter; the frequency converter module is provided with three output ends that are connected with a motor. The power saver has the technical characteristics that the A phrase live wire, the B phrase live wire and the C phrase live wire are connected with a system typed module before being connected with the frequency converter module. The power saver organically combines the performance and characteristics of the frequency converter and a system typed power saver, which can carry out effective power-saving protection control for the power utilization system with a motor and protect power utilization equipment, thereby decreasing the installation quantity of the power savers and reduces the cost of the power utilization equipment.
Description
Technical field
The utility model belongs to the electricity-saving protection control appliance, especially a kind of combination frequency conversion type electricity-saving appliance.
Background technology
In each using electricity system, all exist many electric power rubbish and superfluous energy consumption problem, only be the degree difference.Electric power rubbish mainly comprises transition, surge, harmonic wave etc., these electric power rubbish will make the power consumption efficiency of using electricity system seriously descend, and to the serious impact damage of power consumption equipment generation, cause the normal operating temperature of motor to raise as the transition meeting, and every rising once, approximately increases by 4% power consumption; The transition meeting forms oxidizability carbon film layer on the contact point of motor, and the existence of the oxidizability carbon film layer of every ohmage, can make efficiency of motor descend 13%, multiple harmonic can cause the heating that electric equipment is unusual, the increase that causes iron loss, copper loss and drift to be decreased, this causes just, and transformer and peripheral power consumption equipment energy consumption increase, the main cause of efficient reduction; Superfluous energy consumption is mainly reflected in two aspects: the one, and in the using electricity system, supply power voltage is higher than the rated voltage of power consumption equipment, and this not only can cause waste of power resources, simultaneously power consumption equipment is produced harmful effect, reduces the useful life of equipment; The 2nd, in the power power consumption equipment, motor often has the phenomenon of " low load with strong power " when constant load, during the earthquake load, underloading and unloaded phenomenon is often arranged also, has caused unnecessary waste of power resources.Be that superfluous energy consumption or electric power rubbish all are unwanted electric energy in using electricity system and the power consumption equipment to be converted to heat energy, mechanical energy or other forms of energy be wasted.At present, have the using electricity system of motor, normally frequency converter is inserted and be used for variable frequency regulating speed control and the economize on electricity control that motor drags in the using electricity system.But existing frequency converter is when carrying out variable frequency regulating speed control to motor, the harmonic wave that itself produced again severe contamination the quality of power supply of using electricity system, cause the normal operating temperature of all power consumption equipments of whole using electricity system to raise, the life-span shortens, maintenance frequency and maintenance cost strengthen, therefore, the using electricity system of this access motor is usually when using frequency converter, also need to use the electricity-saving appliance of other types to be used, will certainly cause the waste of aspects such as the increase of energy-saving device cost and manpower, financial resources, material resources, time like this with harmonic carcellation.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and frequency converter and system type electricity-saving appliance are combined and is had that characteristic is excellent, cost is low, the combination frequency conversion type electricity-saving appliance of the high characteristics of operational efficiency.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of combination frequency conversion type electricity-saving appliance, constitute by the connecting terminal block that is provided with A phase firewire, B phase firewire, C phase firewire, E line and N line binding post, A phase firewire on the connecting terminal block, B phase firewire, C phase firewire and E line are connected with three inputs and the E end of frequency converter module respectively, the frequency converter module is provided with three outputs that are connected with motor, it is characterized in that: the A phase firewire on the connecting terminal block, B phase firewire, a C phase firewire system type module also in parallel before inserting the frequency converter module.
And described system type module is the wherein a kind of of general-purpose system pattern piece, business system pattern piece, industrial system pattern piece and combined system pattern piece.
And, described combined system pattern piece suppresses circuit by transition surge suppression device and harmonic wave and constitutes, transition surge suppression device and harmonic wave separately that A phase firewire, B phase firewire, C phase firewire connect respectively separately suppress circuit, the other end that these three harmonic waves suppress circuit is connected to N line binding post jointly, and E line binding post connects a ground wire transition surge suppression device.
And described transition surge suppression device and ground wire transition surge suppression device are transient voltage suppressor or the transition surge suppresses module.
And the concrete structure that described three harmonic waves suppress circuit is:
The harmonic wave that is linked into the A phase firewire suppresses circuit and is: the A phase firewire connects an end of inductance L 1 and inductance L 2 respectively, inductance L 1 other end connects an end of resistance R 1 and capacitor C 1 respectively, inductance L 2 other ends connect an end of resistance R 2 and capacitor C 2 respectively, and the other end of resistance R 1, capacitor C 1, resistance R 2 and capacitor C 2 is connected to N line binding post;
The harmonic wave that is linked into the B phase firewire suppresses circuit and is: the B phase firewire connects an end of inductance L 3 and inductance L 4 respectively, inductance L 3 other ends connect an end of resistance R 3 and capacitor C 3 respectively, inductance L 4 other ends connect an end of resistance R 4 and capacitor C 4 respectively, and the other end of resistance R 3, capacitor C 3, resistance R 4 and capacitor C 4 is connected to N line binding post;
The harmonic wave that is linked into the C phase firewire suppresses circuit and is: the C phase firewire connects an end of inductance L 5 and inductance L 6 respectively, inductance L 5 other ends connect an end of resistance R 5 and capacitor C 5 respectively, inductance L 6 other ends connect an end of resistance R 6 and capacitor C 6 respectively, and the other end of resistance R 5, capacitor C 5, resistance R 6 and capacitor C 6 is connected to N line binding post.
And described frequency converter module is commercially available existing module.
And described general-purpose system pattern piece, business system pattern piece and industrial system pattern piece are commercially available existing product.
Advantage of the present utility model and good effect are:
1. this combination frequency conversion type electricity-saving appliance is organically combined the performance and the characteristics of frequency converter and system type electricity-saving appliance; the all functions characteristic that not only has existing frequency converter; but also has the function of system type electricity-saving appliance; therefore; the utility model is filtering frequency converter high order harmonic component that produced and that mains side imports into itself efficiently; and can also suppress electric power rubbish such as transition that grid side imports into, surge; improve power factor; reduce superfluous energy consumption, can carry out the control of effective electricity-saving protection and to the protection of power consumption equipment the using electricity system that has motor.
2. this combination frequency conversion type electricity-saving appliance is being removed electric power rubbish such as transition, surge, harmonic wave; improve power factor cos Φ; reduce superfluous energy consumption simultaneously; for the power consumption equipment in the using electricity system provides electric power resource stable, high-quality; help protecting power consumption equipment; prolonged the useful life of power consumption equipment, reduced the maintenance frequency and the maintenance capacity of power consumption equipment, for industrial and agricultural production and people's lives are brought great benefit.
3. this combination frequency conversion type electricity-saving appliance is organically combined the performance and the characteristics of frequency converter and system type electricity-saving appliance; overcome must use in the past that multiple electricity-saving appliance just can reach to using electricity system economize on electricity control and the problem that power consumption equipment is protected; therefore reduced the cost of energy-saving device; also be convenient to the detection and the maintenance of electricity-saving appliance; solved the problem that in installation process, needs many energy-saving devices are carried out Installation and Debugging simultaneously; save the loss and waste of human and material resources, financial resources and time, improved operational efficiency.
Description of drawings
Fig. 1 is a combination frequency conversion type electricity-saving appliance circuit frame principle figure;
Fig. 2 is the circuit diagram that combination frequency conversion type electricity-saving appliance adopts combined system pattern piece.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described.
This combination frequency conversion type electricity-saving appliance is made of connecting terminal block 1, frequency converter module and system type module.Connecting terminal block is provided with A phase firewire, B phase firewire, C phase firewire, E line and N line binding post, A phase firewire on the connecting terminal block, B phase firewire, C phase firewire and E line are connected with three input T, S, R and the E end of frequency converter module respectively, the frequency converter module is provided with three output U, V, W, and these three output U, V, W are connected with motor respectively.A phase firewire on the connecting terminal block, B phase firewire, C phase firewire be system type module also in parallel before being linked into the frequency converter module.Wherein, the frequency converter module is used for reducing the superfluous energy consumption and the technological process of frequency modulation speed Control of motor and institute's on-load thereof, and the system type module is used for suppressing the transition surge of circuit, suppress simultaneously single or certain several times high order harmonic component, improve power factor cos Φ.
In the present embodiment, above-mentioned frequency converter module adopts commercially available existing product: the frequency converter module is an EIC-F series electricity-saving appliance module.The system type module can adopt a kind of in commercially available EIC-ST general-purpose system pattern piece, EIC-SS business system pattern piece, the EIC-SG industrial system pattern piece, the combined system pattern piece 2 that also can employ new technology and design, combined system pattern piece has adopted following circuit structure:
Combined system pattern piece suppresses circuit 3 by transition surge suppression device and harmonic wave and constitutes, the A phase firewire, the B phase firewire, the C phase firewire connects transition surge suppression device 5 separately respectively, E line binding post connects a ground wire transition surge suppression device 4, in the present embodiment, above-mentioned transition surge suppression device and ground wire transition surge suppression device all adopt transient voltage suppressor, the model of this transient voltage suppressor is the device of P6KE260A or 1.5K260A or 5KP model, certainly, above-mentioned transition surge suppression device and ground wire transition surge suppression device also can adopt the transition surge to suppress module, and the model that this transition surge suppresses module is: 15KP or 30KP.The effect of this transition surge suppression device is: when the chance cycle is 10
-6Second transient voltage the time, this transition surge suppression device can be with 10
-12The speed of second is made transient response to transition, resets immediately.A phase firewire, B phase firewire, C phase firewire also connect the end that three harmonic waves suppress circuit 4 respectively, and the other end of three harmonic wave inhibition circuit is connected to the N line binding post of connecting terminal block jointly.It is the RLC hybrid circuit that this harmonic wave suppresses circuit, can suppress certain single or certain high order harmonic component several times, improves power factor cos Φ.
Above-mentioned three harmonic waves suppress the harmonic wave that circuit is respectively that the harmonic wave that is linked into the A phase firewire suppresses circuit, the harmonic wave that is linked into the B phase firewire suppresses circuit and is linked into the C phase firewire and suppress circuit, wherein:
The harmonic wave that is linked into the A phase firewire suppresses circuit and is: the A phase firewire connects an end of inductance L 1 and inductance L 2 respectively, inductance L 1 other end connects an end of resistance R 1 and capacitor C 1 respectively, inductance L 2 other ends connect an end of resistance R 2 and capacitor C 2 respectively, and the other end of resistance R 1, capacitor C 1, resistance R 2 and capacitor C 2 is connected to N line binding post;
The harmonic wave that is linked into the B phase firewire suppresses circuit and is: the B phase firewire connects an end of inductance L 3 and inductance L 4 respectively, inductance L 3 other ends connect an end of resistance R 3 and capacitor C 3 respectively, inductance L 4 other ends connect an end of resistance R 4 and capacitor C 4 respectively, and the other end of resistance R 3, capacitor C 3, resistance R 4 and capacitor C 4 is connected to N line binding post;
The harmonic wave that is linked into the C phase firewire suppresses circuit and is: the C phase firewire connects an end of inductance L 5 and inductance L 6 respectively, inductance L 5 other ends connect an end of resistance R 5 and capacitor C 5 respectively, inductance L 6 other ends connect an end of resistance R 6 and capacitor C 6 respectively, and the other end of resistance R 5, capacitor C 5, resistance R 6 and capacitor C 6 is connected to N line binding post.
Certain above-mentioned harmonic wave suppresses R, L, the C combinational circuit that circuit also can adopt other structure.
The utility model is connected in the motor branch road, to realize that can carry out effective electricity-saving protection to the using electricity system that has motor controls the protection that reaches power consumption equipment.
Embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (5)
1. one kind is made up the frequency conversion type electricity-saving appliance, constitute by the connecting terminal block that is provided with A phase firewire, B phase firewire, C phase firewire, E line and N line binding post, A phase firewire on the connecting terminal block, B phase firewire, C phase firewire and E line are connected with three inputs and the E end of frequency converter module respectively, the frequency converter module is provided with three outputs that are connected with motor, it is characterized in that: the A phase firewire on the connecting terminal block, B phase firewire, a C phase firewire system type module also in parallel before inserting the frequency converter module.
2. a kind of combination frequency conversion type electricity-saving appliance according to claim 1 is characterized in that: described system type module is the wherein a kind of of general-purpose system pattern piece, business system pattern piece, industrial system pattern piece and combined system pattern piece.
3. a kind of combination frequency conversion type electricity-saving appliance according to claim 2, it is characterized in that: described combined system pattern piece suppresses circuit by transition surge suppression device and harmonic wave and constitutes, transition surge suppression device and harmonic wave separately that A phase firewire, B phase firewire, C phase firewire connect respectively separately suppress circuit, the other end that these three harmonic waves suppress circuit is connected to N line binding post jointly, and E line binding post connects a ground wire transition surge suppression device.
4. a kind of combination frequency conversion type electricity-saving appliance according to claim 3 is characterized in that: described transition surge suppression device and ground wire transition surge suppression device are transient voltage suppressor or the transition surge suppresses module.
5. a kind of combination frequency conversion type electricity-saving appliance according to claim 3 is characterized in that: the concrete structure that described three harmonic waves suppress circuit is:
The harmonic wave that is linked into the A phase firewire suppresses circuit and is: the A phase firewire connects an end of inductance L 1 and inductance L 2 respectively, inductance L 1 other end connects an end of resistance R 1 and capacitor C 1 respectively, inductance L 2 other ends connect an end of resistance R 2 and capacitor C 2 respectively, and the other end of resistance R 1, capacitor C 1, resistance R 2 and capacitor C 2 is connected to N line binding post;
The harmonic wave that is linked into the B phase firewire suppresses circuit and is: the B phase firewire connects an end of inductance L 3 and inductance L 4 respectively, inductance L 3 other ends connect an end of resistance R 3 and capacitor C 3 respectively, inductance L 4 other ends connect an end of resistance R 4 and capacitor C 4 respectively, and the other end of resistance R 3, capacitor C 3, resistance R 4 and capacitor C 4 is connected to N line binding post;
The harmonic wave that is linked into the C phase firewire suppresses circuit and is: the C phase firewire connects an end of inductance L 5 and inductance L 6 respectively, inductance L 5 other ends connect an end of resistance R 5 and capacitor C 5 respectively, inductance L 6 other ends connect an end of resistance R 6 and capacitor C 6 respectively, and the other end of resistance R 5, capacitor C 5, resistance R 6 and capacitor C 6 is connected to N line binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720096727XU CN201118235Y (en) | 2007-07-13 | 2007-07-13 | Combined frequency conversion-type electricity saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720096727XU CN201118235Y (en) | 2007-07-13 | 2007-07-13 | Combined frequency conversion-type electricity saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118235Y true CN201118235Y (en) | 2008-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720096727XU Expired - Lifetime CN201118235Y (en) | 2007-07-13 | 2007-07-13 | Combined frequency conversion-type electricity saver |
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| Country | Link |
|---|---|
| CN (1) | CN201118235Y (en) |
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2007
- 2007-07-13 CN CNU200720096727XU patent/CN201118235Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN VICLAND SPIRIT ENERGY-SAVING TECHNOLOGY C Free format text: FORMER OWNER: LI WENBIN Effective date: 20100519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
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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| TR01 | Transfer of patent right |
Effective date of registration: 20100519 Address after: 518067 A, South third floor, Central Electric Lighting Center, twelve South tech Road, Shenzhen, Nanshan District Patentee 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 Patentee before: Li Wenbin |
|
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN WEILI SHENGSHI ENERGY SAVING TECHNOLOGY CO Free format text: FORMER OWNER: SHENZHEN VICLAND SPIRIT ENERGY-SAVING TECHNOLOGY CO., LTD. Effective date: 20101130 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518067 TOWER A, SOUTH 3/F, ZHONGDIAN LIGHTING CENTER, KEJI SOUTH ROAD 12, NANSHAN DISTRICT, SHENZHEN CITY TO: 300384 312, TOWER FS, HAITAI INFORMATION PLAZA, NO.8, HUATIAN ROAD, HUAYUAN INDUSTRIAL PARK, TIANJIN CITY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20101130 Address after: 300384 Tianjin Huayuan Industrial Park Alex Hua Tian FS Haitai Information Plaza No. 8 block 312 Patentee after: Tianjin Win Spirit Energy Technology Co., Ltd. Address before: 518067 A, South third floor, Central Electric Lighting Center, twelve South tech Road, Shenzhen, Nanshan District Patentee before: Shenzhen Vicland Spirit Energy-saving Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN VICLAND SPIRIT ENERGY-SAVING TECHNOLOGY C Free format text: FORMER OWNER: TIANJIN WEILI SHENGSHI ENERGY SAVING TECHNOLOGY CO., LTD. Effective date: 20120117 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300384 NANKAI, TIANJIN TO: 518172 SHENZHEN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120117 Address after: Lin Xi Lu Dragon Street Longgang District of Shenzhen City, Guangdong province 518172 students Pioneering Park Park 411, 413, 414, 417. Patentee after: Shenzhen Vicland Spirit Energy-saving Technology Co., Ltd. Address before: 300384 Tianjin Huayuan Industrial Park Alex Hua Tian FS Haitai Information Plaza No. 8 block 312 Patentee before: Tianjin Win Spirit Energy Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
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: Lin Xi Lu Dragon Street Longgang District of Shenzhen City, Guangdong province 518172 students Pioneering Park Park 411, 413, 414, 417. Patentee before: Shenzhen Vicland Spirit Energy-saving Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20080917 |
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| CX01 | Expiry of patent term |