CN101609942A - Intelligent electricity-saving protection control socket - Google Patents
Intelligent electricity-saving protection control socket Download PDFInfo
- Publication number
- CN101609942A CN101609942A CNA200910069853XA CN200910069853A CN101609942A CN 101609942 A CN101609942 A CN 101609942A CN A200910069853X A CNA200910069853X A CN A200910069853XA CN 200910069853 A CN200910069853 A CN 200910069853A CN 101609942 A CN101609942 A CN 101609942A
- Authority
- CN
- China
- Prior art keywords
- unit
- phase
- electricity
- input
- saving protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The present invention relates to a kind of intelligent electricity-saving protection control socket; be connected with current transformer on the three-phase firewire input in the Socket casing respectively and be connected with the input that detects indicative control unit; its output is connected with display screen; between three-phase firewire input and ground wire, be connected with the transition surge restraining unit respectively; be connected with pressure regulation unit and filtering compensation unit and controlled switch in turn at the three-phase firewire input; the input of this controlled switch is connected with the control output end of detecting indicative control unit; its output is connected with three-phase jack and single-phase jack on the Socket casing, connects two contactors by a by-pass switch between two inputs of a phase pressure regulation unit.The present invention has removed electric power rubbish such as transition, surge, harmonic wave effectively, improve the function factor, reduced superfluous energy consumption, eliminated the standby power consumption, have characteristics such as power saving rate and cost performance height, function is complete, intelligence is flexible, but in the extensive use three-phase alternating current using electricity system.
Description
Technical field
The invention belongs to electricity-saving protection control field, especially a kind of intelligent electricity-saving protection control socket.
Background technology
At present, ubiquity electric power rubbish and superfluous energy consumption problem on using electricity system or the power consumption equipment, cause the waste of power resource and to the destruction of power consumption equipment, wherein, the waste of power resource mainly contains 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, simultaneously using electricity system or power consumption equipment are produced serious impact damage.Protect for the saves energy resource and to various using electricity systems or power consumption equipment, can the electricity-saving protection socket be installed in using electricity system and solve.The electricity-saving protection 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 protection socket all has its functional characteristic separately; also there is limitation separately simultaneously; if only use one type electricity-saving protection socket all can not reach best power savings and to effective protective effect of power consumption equipment; if polytype electricity-saving protection socket is 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, can realize best power savings and the intelligent electricity-saving protection control socket of using electricity system defencive function.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of 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 the power input line that comprises three-phase firewire and zero line; this power input line is connected with the electricity-saving protection control circuit; the electricity-saving protection control circuit comprises the detection indicative control unit; current transformer; the transition surge restraining unit; the pressure regulation unit; filtering compensation unit and controlled switch; on the three-phase firewire input, be connected with current transformer respectively and be connected with the input that detects indicative control unit; the demonstration output of detection indicative control unit is connected with the display screen on the Socket casing; between three-phase firewire input and ground wire, be connected with the transition surge restraining unit respectively; three-phase firewire input behind the transition surge restraining unit is connected with pressure regulation unit and filtering compensation unit and controlled switch in turn; the input of this controlled switch is connected with the control output end of detecting indicative control unit; its output is connected with three-phase jack and single-phase jack on the Socket casing; between two inputs of a phase pressure regulation unit, connect two contactors by a by-pass switch; three pairs of normally opened contacts of first contactor are connected between every phase controlled switch and the three-phase jack, and three pairs of normally opened contacts of second contactor are connected between the input and three-phase jack of every phase voltage unit.
And, described detection indicative control unit is connected and composed by microprocessor, A/D converting unit, delay controller, three input interfaces of microprocessor are connected with the A/D converting unit respectively, the input of this A/D converting unit is connected with the output of three current transformers respectively, microprocessor respectively by output interface and pressure regulation unit, can control the delay controller of controlled switch and the display screen that is installed on the Socket casing is connected.
And described A/D converting unit is connected and composed by three groups of sampling resistors 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 current transformer is ZMCT103C.
And described transition surge restraining unit is piezo-resistance or transition surge suppression device.
And described filtering compensation unit is a kind of in the filter of the active filter of passive filter, the low-pass filtering of active filter, the low-pass filtering of passive filter, the bandpass filtering of bandpass filtering, active and passive combination.
And described pressure regulation unit is a voltage regulator/transformer or electronic component regulator.
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; pressure regulation unit and detection indicative control unit organically combine; detect electric current on the three-phase firewire and the pressure regulation unit is controlled and the socket power holding state is under carried out break-make control by detecting indicative control unit; electricity-saving protection function of socket characteristic can be integrated; removed transition effectively; surge; electric power rubbish such as harmonic wave; reduced the power consumption that these electric power rubbish cause; 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 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.
4; this electricity-saving protection socket is provided with by-pass switch; the output of this by-pass switch respectively with one mutually two contactors of two inputs of pressure regulation unit be connected; three pairs of normally opened contacts of first contactor are connected between every phase controlled switch and the three-phase jack; three pairs of normally opened contacts of second contactor are connected between the input and three-phase jack of every phase voltage unit; like this when this by-pass switch is connected with first contactor; realize normal electricity-saving protection controlled function; when this by-pass switch is connected with second contactor; this electricity-saving protection socket uses as common jack, has the characteristics of flexible setting.
5, this electricity-saving protection socket both had been provided with the three-phase jack, also was provided with single-phase jack, was applicable to electricity consumption needs single-phase, the different power consumption equipments of three-phase, had expanded its scope of application.
6, the present invention integrates the function of all kinds electricity-saving protection 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 characteristics such as power saving rate and cost performance height, function is complete, intelligence is flexible, but in the extensive use three-phase alternating current using electricity system.
Description of drawings
Fig. 1 is an outward appearance front view of the present invention;
Fig. 2 is the electricity-saving protection control circuit theory diagram in the 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 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 three-phase firewire and zero line, and this power input line is connected with the electricity-saving protection control circuit; On Socket casing, be provided with three-phase jack 3, single-phase jack 7, on Socket casing, also be provided with display screen 4 and indicator light 5, 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 6, 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.
As shown in Figure 2; electricity-saving protection control circuit in the Socket casing comprises the detection indicative control unit; current transformer; the transition surge restraining unit; the pressure regulation unit; filtering compensation unit and controlled switch; on the three-phase firewire input, be connected with current transformer respectively and be connected with the input that detects indicative control unit; the demonstration output of detection indicative control unit is connected with the display screen on the Socket casing; between three-phase firewire input and ground wire, be connected with the transition surge restraining unit respectively; be used for suppressing transition and the surge that circuit produces; three-phase firewire input behind the transition surge restraining unit is connected with pressure regulation unit and filtering compensation unit and controlled switch in turn; pressure regulation unit and filtering compensation unit are respectively applied for to be adjusted too high voltages and eliminates filtering; the input of controlled switch is connected with the control output end of detecting indicative control unit; its output is connected on the three-phase jack and single-phase jack on the Socket casing; between two inputs of a phase pressure regulation unit, connect two contactors (KM1 and KM2) by a by-pass switch SW1; three couples of normally opened contacts (KM1_1 and the KM1_2 of the first contactor KM1; KM1_3 and KM1_4; KM1_5 and KM1_6) be connected between every phase controlled switch and the three-phase jack three couples of normally opened contacts (KM2_1 and the KM2_2 of the second contactor KM2; KM2_3 and KM2_4; KM2_5 and KM2_6) be connected between the input and three-phase jack and single-phase jack of every phase voltage unit.When by-pass switch SW1 is communicated with contactor KM1; the closed KM1_1 of the normally opened contact of contactor KM1 and KM1_2, KM1_3 and KM1_4, KM1_5 and KM1_6 are all closed; make socket be in complete electricity-saving protection mode of operation; when by-pass switch SW1 is communicated with the second contactor KM2; the closed KM2_1 of the normally opened contact of the second contactor KM2 and KM2_2, KM2_3 and KM2_4, KM2_5 and KM2_6 are all closed, make socket be in complete electricity-saving protection mode of operation.
Detection indicative control unit in the electricity-saving protection control circuit is connected and composed by microprocessor, A/D converting unit, delay controller: described microprocessor is the ATMEGA8-8AU chip of AVR series; Described this A/D converting unit is connected and composed by three groups of sampling resistors and operational amplifier, and what this sampling resistor adopted is 1206 precision resistances of one of percentage precision, and what this operational amplifier adopted is that no phase shift function is the AD8604 chip.The concrete annexation that detects indicative control unit is: three input interfaces of microprocessor are connected with the A/D converting unit respectively, the input of this A/D converting unit is connected with the output of three current transformers respectively, microprocessor by output interface respectively with the pressure regulation unit, delay controller and the display screen and the display lamp that are installed on the Socket casing are connected, connection and disconnection that this delay controller is connected with controlled switch and controls controlled switch, when microprocessor detects power consumption equipment in three-phase jack and the single-phase jack when being in holding state, automatically controlled switch is disconnected to cut off the power supply in three-phase jack and the single-phase jack.Three current transformers are responded to the electric current on the three-phase firewire respectively and this induced current are inputed to microprocessor through the A/D converting unit, microprocessor is by the connection or the disconnection of delay controller control controlled switch, realization is to the on/off control of three-phase jack and single-phase jack, microprocessor can carry out Regulation Control to the pressure regulation unit by output port, realization is to the automatic control of voltage, microprocessor by output port with power consumption equipment at operation or the electric current during standby, electric parameters such as power show by display screen, and the slave mode that socket is current shows by indicator light.
Transition surge restraining unit in the electricity-saving protection control circuit is connected between three-phase firewire and the ground wire; this transition surge restraining unit 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 adopts the circuit of following any form: the filter of the passive filter of the passive filter of bandpass filtering, the active filter of bandpass filtering, low-pass filtering, the active filter of low-pass filtering, active and passive combination.
Pressure regulation unit in the electricity-saving protection control circuit is an adjustable transformer or electronic component regulator, and the input of this pressure regulation unit is connected with the output control terminal that detects indicative control unit.
What the current transformer in the electricity-saving protection control circuit adopted is the current transformer of ZMCT103C model.
Detection indicative control unit in this control socket adopts modular design, can detect the induced current on the three-phase firewire and be transferred to microprocessor by three current transformers on the three-phase firewire, by connection or the disconnection of microprocessor by delay controller control controlled switch, thereby realize the break-make of three-phase jack and single-phase jack power supply is handled, eliminated the situation of standby power consumption effectively, simultaneously voltage regulating module has been controlled.
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 (7)
1; a kind of 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 the power input line that comprises three-phase firewire and zero line; 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 detection indicative control unit; current transformer; the transition surge restraining unit; the pressure regulation unit; filtering compensation unit and controlled switch; on the three-phase firewire input, be connected with current transformer respectively and be connected with the input that detects indicative control unit; the demonstration output of detection indicative control unit is connected with the display screen on the Socket casing; between three-phase firewire input and ground wire, be connected with the transition surge restraining unit respectively; three-phase firewire input behind the transition surge restraining unit is connected with pressure regulation unit and filtering compensation unit and controlled switch in turn; the input of this controlled switch is connected with the control output end of detecting indicative control unit; its output is connected with three-phase jack and single-phase jack on the Socket casing; between two inputs of a phase pressure regulation unit, connect two contactors by a by-pass switch; three pairs of normally opened contacts of first contactor are connected between every phase controlled switch and the three-phase jack, and three pairs of normally opened contacts of second contactor are connected between the input and three-phase jack of every phase voltage unit.
2, intelligent electricity-saving protection control socket according to claim 1; it is characterized in that: described detection indicative control unit is connected and composed by microprocessor, A/D converting unit, delay controller; three input interfaces of microprocessor are connected with the A/D converting unit respectively; the input of this A/D converting unit is connected with the output of three current transformers respectively, microprocessor respectively by output interface and pressure regulation unit, can control the delay controller of controlled switch and the display screen that is installed on the Socket casing is connected.
3, intelligent electricity-saving protection control socket according to claim 2; it is characterized in that: described A/D converting unit is connected and composed by three groups of sampling resistors and operational amplifier; what described sampling resistor adopted is 1206 precision resistances, and what described operational amplifier adopted is the AD8604 chip.
4, intelligent electricity-saving protection control socket according to claim 2 is characterized in that: described microprocessor is the ATMEGA8-8AU chip of AVR series, and described current transformer is ZMCT103C.
5, 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.
6, intelligent electricity-saving protection control socket according to claim 1 is characterized in that: described filtering compensation unit is a kind of in the filter of the active filter of passive filter, the low-pass filtering of active filter, the low-pass filtering of passive filter, the bandpass filtering of bandpass filtering, active and passive combination.
7, intelligent electricity-saving protection control socket according to claim 1 and 2 is characterized in that: described pressure regulation unit is a voltage regulator/transformer or electronic component regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910069853XA CN101609942A (en) | 2009-07-23 | 2009-07-23 | Intelligent electricity-saving protection control socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910069853XA CN101609942A (en) | 2009-07-23 | 2009-07-23 | Intelligent electricity-saving protection control socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101609942A true CN101609942A (en) | 2009-12-23 |
Family
ID=41483583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200910069853XA Pending CN101609942A (en) | 2009-07-23 | 2009-07-23 | Intelligent electricity-saving protection control socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101609942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378656A (en) * | 2018-09-03 | 2019-02-22 | 湖北窗口科技有限公司 | A kind of four binding post intelligent sockets, system and it is spaced apart |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724251Y (en) * | 2004-08-04 | 2005-09-07 | 王洪锋 | Energy saving automatic power cut-off socket |
| CN201041881Y (en) * | 2007-04-18 | 2008-03-26 | 沈中泽 | A power display jack |
| CN201063382Y (en) * | 2006-12-15 | 2008-05-21 | 上海久隆电力科技有限公司 | Intelligent standby electricity-saving socket for household appliances |
| CN201078821Y (en) * | 2007-08-10 | 2008-06-25 | 沈中泽 | Power outlet |
| CN201238117Y (en) * | 2008-08-11 | 2009-05-13 | 李文斌 | Lightning-protection electricity-saving protection circuit in single-phase socket |
| CN201238262Y (en) * | 2008-08-11 | 2009-05-13 | 李文斌 | Universal electricity-saving protection controller |
-
2009
- 2009-07-23 CN CNA200910069853XA patent/CN101609942A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724251Y (en) * | 2004-08-04 | 2005-09-07 | 王洪锋 | Energy saving automatic power cut-off socket |
| CN201063382Y (en) * | 2006-12-15 | 2008-05-21 | 上海久隆电力科技有限公司 | Intelligent standby electricity-saving socket for household appliances |
| CN201041881Y (en) * | 2007-04-18 | 2008-03-26 | 沈中泽 | A power display jack |
| CN201078821Y (en) * | 2007-08-10 | 2008-06-25 | 沈中泽 | Power outlet |
| CN201238117Y (en) * | 2008-08-11 | 2009-05-13 | 李文斌 | Lightning-protection electricity-saving protection circuit in single-phase socket |
| CN201238262Y (en) * | 2008-08-11 | 2009-05-13 | 李文斌 | Universal electricity-saving protection controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378656A (en) * | 2018-09-03 | 2019-02-22 | 湖北窗口科技有限公司 | A kind of four binding post intelligent sockets, system and it is spaced apart |
| CN109378656B (en) * | 2018-09-03 | 2019-12-17 | 湖北窗口科技有限公司 | Four-terminal intelligent socket, system and air switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102130462B (en) | Intelligent electrical load unbalance compensation device | |
| CN101609941B (en) | Single phase intelligent electricity-saving protection control socket | |
| CN202495641U (en) | Energy-saving automatic shut-off protection control socket | |
| CN101609990A (en) | Intelligent three-phase electricity-saving protection controller | |
| CN201466363U (en) | Novel single-phase electricity-saving protective control socket | |
| CN201466724U (en) | Intelligent single-phase power saving protective controller | |
| CN207939211U (en) | Distributed power generation pressure regulation filtering system | |
| CN201466371U (en) | Multifunctional energy-saving protection control socket | |
| CN2884645Y (en) | General multifunction electricity saver | |
| CN201466372U (en) | Novel power-saving protecting control socket | |
| CN201466365U (en) | Special computer socket with intelligent energy-saving protection control function | |
| CN203439864U (en) | Elevator control cabinet | |
| CN101609942A (en) | Intelligent electricity-saving protection control socket | |
| CN101609943A (en) | Three-phase intelligent energy-saving protection control socket | |
| CN201466373U (en) | Three-phase multi-function electricity-saving protection control socket | |
| CN201466374U (en) | Novel three-phase power-saving protective control socket | |
| CN201336223Y (en) | Intelligent capacitor with function of harmonic protection | |
| CN209860601U (en) | Low-voltage reactive compensation fee control device | |
| CN201466364U (en) | Single-phase multifunctional electricity-saving protecting and controlling socket | |
| CN201985508U (en) | Zero line break protector and connecting structure thereof | |
| CN200979991Y (en) | An intelligent power saver | |
| CN201466366U (en) | Novel power-saving protecting control socket special for computer | |
| CN201466367U (en) | Special television socket with intelligent energy-saving protection control function | |
| CN201191764Y (en) | Electric electricity-saving controller | |
| CN217508286U (en) | Electric energy quality optimizing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |
|
| TA01 | Transfer of patent application right |
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 |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20091223 |