CN205605400U - Rainwater pump electric control system of rainwater pump station - Google Patents
Rainwater pump electric control system of rainwater pump station Download PDFInfo
- Publication number
- CN205605400U CN205605400U CN201620338397.XU CN201620338397U CN205605400U CN 205605400 U CN205605400 U CN 205605400U CN 201620338397 U CN201620338397 U CN 201620338397U CN 205605400 U CN205605400 U CN 205605400U
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- China
- Prior art keywords
- pump
- cabinet
- rainwater
- rainwater pump
- switch
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- Expired - Fee Related
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model provides a rainwater pump electric control system of rainwater pump station, includes the rainwater pump of rainwater pump house and interior setting, the high tension switchgear of high voltage power distribution room and interior setting, clarified water pump, the control room is equipped with high -voltage inverter cabinet and multi -functional automatically controlled cabinet, and high tension switchgear is connected with the high -voltage inverter cabinet, and the high -voltage inverter cabinet is connected with multi -functional automatically controlled cabinet, rainwater pump, the rainwater pump house is equipped with field operation post and clear pump control cabinet, and the field operation post is equipped with operation post rainwater pump run button, operation post rainwater pump stop button, and multi -functional automatically controlled cabinet panel is equipped with the long -range rainwater pump run button of automatically controlled cabinet, the long -range rainwater pump stop button of automatically controlled cabinet, clear pump control cabinet and multi -functional electric control cabinet, multi -functional automatically controlled cabinet panel is equipped with the PLC display screen. The utility model discloses a 3kV of rainwater pump station and above high voltage power supply's rainwater pump provide a simple reliable electric control system, can accomplish the composite control of 3kV and above high voltage power supply's rainwater pump.
Description
Technical field
This utility model belongs to technical field of electric control, is specifically related to the rainwater pump electric control system of rainfall pumping station.
Background technology
Rainfall pumping station carries the vital task of prevention waterlogging of drainning off floodwaters, if can not put into operation the most reliably when heavy rain comes, can cause city hydrops at short notice, causing great economic loss, even threatening people life property safety.Owing to the instantaneous delivery of current big city rainwater waterlogging is the biggest, the effect of extensive rainfall pumping station is more and more important, high-power rainwater pump generally uses high-voltage motor to drag, and according to power supply voltage level situation, on market, most high-voltage motors use 3kV and above high voltage power supply.Owing to construction scale is increasing, the requirement to the protection of electrical control is more and more higher, at present; each switch cubicle is different with high voltage converter cabinet manufacturer design conditions; power and control system are very different, and high powered water pump, at reliable aspect, exists potential safety hazard.In view of the above problems, have developed this utility model, i.e. the rainwater pump electric control system of rainfall pumping station.This utility model carries out comprehensive study in terms of simplicity, reliability etc., in line with simple and reliable, reduce the principle of operation easier of operator, the rainwater pump electric control system of rainfall pumping station is carried out modularized design.
Summary of the invention
The technical problems to be solved in the utility model is to provide the rainwater pump electric control system of the rainfall pumping station of a kind of simple and reliable, processing ease, to reach the modularized design between rainfall pumping station electrical equipment, makes the simpler practicality of control system.
The technical scheme that the above-mentioned technical problem of this utility model solution is taked is as follows: the rainwater pump electric control system of a kind of rainfall pumping station, rainwater pump, clarified water pump including rain pump room and interior setting thereof, clarified water pump is used to provide clear water to operating rainwater pump, reaches lubrication and the cooling effect of rainwater pump；High-tension distribution chamber of converting and the high-tension switch cabinet of interior setting thereof, it is provided that the electric supply of rainfall pumping station.It is characterized in that: also including that control room, control room are provided with high voltage converter cabinet and Multifunction electro-controlled cabinet, high-tension switch cabinet is connected with high voltage converter cabinet, and high voltage converter cabinet is connected with Multifunction electro-controlled cabinet, rainwater pump；Rain pump room is provided with execute-in-place post and clarified water pump switch board, execute-in-place post is provided with the second emergency stop switch, operation post rain starting of pump station button, operation post rainwater pump stop button, Multifunction electro-controlled cabinet panel is provided with electrical control cubicles long-range rain starting of pump station button, electrical control cubicles long-range rainwater pump stop button, operation post rain starting of pump station button, operation post rainwater pump stop button rain long-range with electrical control cubicles starting of pump station button, electrical control cubicles long-range rainwater pump stop button are connected by signal cable, and Multifunction electro-controlled cabinet is connected with clarified water pump switch board；Multifunction electro-controlled cabinet is connected with outlet pressure switch, water outlet valve switch, irrigation channel liquid-level switch.
Further, Multifunction electro-controlled cabinet panel is provided with PLC display screen.PLC display screen is connected with rainwater pump temperature sensor, intake pool liquidometer, water outlet river course liquidometer.
Further, clear water reserviors are provided with clear water reserviors liquid-level switch；Clarified water pump switch board is connected with clear water reserviors liquid-level switch, clarified water pump.
Further, being provided with the first emergency stop switch at high voltage converter cabinet, execute-in-place post is provided with the second emergency stop switch, the first emergency stop switch and the second emergency stop switch control cable through rainwater sudden-stop of bump and are connected to the opening circuit of high-pressure frequency-conversion cabinet.
This utility model is made up of electric autocontrol and related infrastructure, and the rainwater pump for rainfall pumping station provides a kind of simple and reliable electric control system, and rainfall pumping station electrical equipment has been carried out typical modularized design, it is achieved 3kV and the control of above rainwater pump.Not only realize local operation, moreover it is possible to realize remotely operation, remotely monitoring pumps in drainage system state.Simplicity and the reliability of electric control system is ensured by arranging the series of measures such as Multifunction electro-controlled cabinet, clarified water pump electrical control cabinet, high voltage converter cabinet.
Multifunction electro-controlled cabinet panel is provided with PLC display screen can show intake pool water level in real time, water outlet river water level, pumps in drainage system state, rainwater pump temperature and various alarm condition, the lowest water level of pumps in drainage system requirement is ensured including irrigation channel liquid-level switch liquid level warning ultralow to irrigation channel, clear water reserviors liquid-level switch liquid level warning ultralow to clear water reserviors, outlet pressure switch overpressure alarm, water outlet valve is not opened warning by water outlet valve switch, rainwater pump temperature sensor is to rainwater pump high temperature alarm, high voltage converter cabinet integrated alarm, clarified water pump switch board fault alarm.Irrigation channel liquid-level switch alarm signal, outlet pressure switch alarm signal directly stop pumps in drainage system.Rainwater pump high temperature alarm signal reaches Multifunction electro-controlled cabinet, arrives after setting alarm temperature, starts to report to the police, links without other, and rainwater pump temperature continues to be increased to set termination of pumping temperature, and rainwater pump is out of service.It is out of service that the clear water reserviors ultralow liquid level warning signal that clear water reserviors liquid-level switch sends directly results in clarified water pump.High voltage converter cabinet failure alarm signal and clarified water pump switch board failure alarm signal are only reported to the police, and link without other.
High voltage converter cabinet, execute-in-place post are provided with emergency stop switch, and emergency stop switch is connected with the opening circuit of high-pressure frequency-conversion cabinet, when discovering device operation exception, operator press emergency stop switch button nearby, stop high voltage converter cabinet in time to run, make power supply separating brake, control rainwater sudden-stop of bump.Emergency stop switch button kept work before manual reversion, made system be in stopped status.
This utility model is made up of electric autocontrol and related infrastructure, a kind of simple and reliable electric control system is provided for the 3kV of rainfall pumping station and the rainwater pump of above high voltage power supply, rainfall pumping station electrical equipment has been carried out typical modularized design, for the power supply guarantee that the rainwater pump electric control system offer of rainfall pumping station is simple and reliable, it is possible to complete the Comprehensive Control of the rainwater pump of 3kV and above high voltage power supply.Utilize Multifunction electro-controlled cabinet to monitor the data of each key point of rainfall pumping station in real time, the rainwater pump of rainfall pumping station is carried out centralized Control, according to each item data, regulation rainwater priming of pump in time, stopping and running speed.Utilize execute-in-place post, rainwater pump can be completed and start on the spot, stop and jerk；Utilize the duty of the Multifunction electro-controlled all electrical equipments of cabinet displaying scene, ensure the normal operation of rainwater pump；Simplicity and the reliability of electric control system is ensured by arranging the series of measures such as Multifunction electro-controlled cabinet, clarified water pump electrical control cabinet, high voltage converter cabinet；Remotely monitoring pumps in drainage system state；The emergency stop switch of termination of pumping of meeting an urgent need at two is set, it is ensured that pumps in drainage system is reliable.Multifunctional controlled cabinet and the present patent application the most individually submit patent application to.
Accompanying drawing explanation
Fig. 1 is population structure of the present utility model and System planes wiring schematic diagram.
nullIn figure: 1 high-tension distribution chamber of converting，2 control rooms，3 rain pump room，4 high-tension switch cabinets，5 high voltage converter cabinets，6 Multifunction electro-controlled cabinets，7 execute-in-place posts，8 rainwater pumps，9 clarified water pump switch boards，10 outlet pressure switches，11 water outlet valve switches，12 clear water reserviors liquid-level switches，13 clarified water pumps，14 irrigation channel liquid-level switches，15 intake pool liquidometers，16 water outlet river course liquidometers，17 high tension cables，18 high voltage converters control cable，19 rainwater sudden-stop of bump control cable，20 signal cables，21 rainwater pump temperature signal cables，22 rainwater pumping source cables，23 outlet pressure switch signal cables，24 water outlet valve switching signal cables，25 clarified water pump switch boards control cable，26 clear water reserviors level switch signal cables，27 clarified water pump power cables，28 irrigation channel level switch signal cables，29 intake pool liquidometer signal cables，30 water outlet river course liquidometer signal cables，31 first emergency stop switch，32 second emergency stop switch，33 operation post rain starting of pump station buttons，34 operation post rainwater pump stop buttons，35 PLC display screens，36 electrical control cubicles rain starting of pump station buttons，37 electrical control cubicles rainwater pump stop buttons，38 electrical control cubicles clarified water pump remote starter buttons，The 39 long-range stop buttons of electrical control cubicles clarified water pump，40 rainwater pump temperature sensors.
Detailed description of the invention
As shown in Figure 1: the rainwater pump electric control system of a kind of rainfall pumping station that this utility model provides, including the high-tension switch cabinet 4 of rainwater pump 8, high-tension distribution chamber of converting 1 and interior setting thereof, the clarified water pump 13 of rain pump room 3 and interior setting thereof；It is characterized in that: also include control room 2, control room 2 is provided with high voltage converter cabinet 5 and Multifunction electro-controlled cabinet 6, high-tension switch cabinet 4 is connected by high tension cable 17 with high voltage converter cabinet 5, high voltage converter cabinet 5 controls cable 18 by high voltage converter and is connected with Multifunction electro-controlled cabinet 6, Multifunction electro-controlled cabinet 6 gathers operating state signal to high voltage converter cabinet 5, and high voltage converter cabinet 5 is connected with rainwater pump 8 by rainwater pumping source cable 22；Rain pump room 3 is provided with execute-in-place post 7 and clarified water pump switch board 9, execute-in-place post 7 is provided with operation post rain starting of pump station button 33, operation post rainwater pump stop button 34, Multifunction electro-controlled cabinet 6 panel is provided with electrical control cubicles long-range rain starting of pump station button 36, electrical control cubicles long-range rainwater pump stop button 37, operation post rain starting of pump station button 33, operation post rainwater pump stop button 34 and electrical control cubicles long-range rain starting of pump station button 36, electrical control cubicles long-range rainwater pump stop button 37 is connected by signal cable 20, realize rainwater pump 8 is carried out scene and remote starter, stop controlling, clarified water pump switch board 9 is connected with Multifunction electro-controlled cabinet 6；Multifunction electro-controlled cabinet 6 panel is provided with PLC display screen 35.
Clarified water pump switch board 9 controls cable 25 by clarified water pump switch board and is respectively connecting to Multifunction electro-controlled cabinet clarified water pump remote starter button 38, the long-range stop button of Multifunction electro-controlled cabinet clarified water pump 39, it is achieved the long-range control to clarified water pump switch board 9.
Be provided with the first emergency stop switch 31 at high voltage converter cabinet 5, execute-in-place post 7 is provided with the second emergency stop switch 32, first emergency stop switch 31 and the second emergency stop switch 32 control cable 19 through rainwater sudden-stop of bump and are connected to the opening circuit of high-pressure frequency-conversion cabinet 5, control the jerk of rainwater pump 8.
For ensureing that rainwater pump 8 can run in the presence of a harsh environment reliably; as of the present utility model perfect, rain pump outlet is provided with outlet pressure switch 10, when outlet pressure is more than setting value; outlet pressure switch 10 action, rainwater pump 8 automatically engages defence program；Irrigation channel liquid-level switch 14 is set in rainwater pump 8 water inlet, it is ensured that the lowest water level needed when rainwater pump 8 runs；Arranging intake pool liquidometer 15 at intake pool, can observe intake pool liquid level intuitively, regulating rainwater pump 8 according to intake pool liquid level needs to run quantity and rotating speed；It is provided with water outlet river course liquidometer 16 in water outlet river course, is used for observing the liquid level in water outlet river course.Rain pump outlet itself is provided with water outlet valve switch 11；Rainwater pump itself is provided with rainwater pump temperature sensor 40.
Multifunctional controlled cabinet 6 is connected to outlet pressure switch 10 by outlet pressure switch signal cable 23, and when outlet pressure switch 10 action, it is out of service that Multifunction electro-controlled cabinet 6 controls rainwater pump 8；Multifunctional controlled cabinet 6 is connected to water outlet valve switch 11 by water outlet valve switching signal cable 24, and when water outlet valve switch 11 is not switched on, Multifunction electro-controlled cabinet 6 controls rainwater pump 8 fail to start；Multifunction electro-controlled cabinet 6 is connected to irrigation channel liquid-level switch 14 by irrigation channel level switch signal cable 28, and after irrigation channel liquid-level switch 14 action, it is out of service that Multifunction electro-controlled cabinet 6 controls rainwater pump 8；PLC display screen 35 is connected to intake pool liquidometer 15 by intake pool liquidometer signal cable 29, shows intake pool liquid level at PLC display screen 35；PLC display screen 35 is connected to water outlet river course liquidometer 16 by water outlet river course liquidometer signal cable 30, shows water outlet river course liquid level at PLC display screen 35.
Rainwater pump temperature sensor 40 is connected to PLC display screen 35 by rainwater pump temperature signal cable 21, is arranged the temperature of rainwater pump 8 by PLC display screen 35, it is achieved rainwater pump 8 high temperature alarm and superhigh temperature termination of pumping.
As of the present utility model the most perfect, clear water reserviors are provided with clear water reserviors liquid-level switch 12；Clear water reserviors liquid-level switch 12 is connected with clarified water pump switch board 9 by clear water reserviors level switch signal cable 26, and after clear water reserviors liquid-level switch 12 action, clarified water pump switch board 9 is automatically stopped clarified water pump and runs；Clarified water pump 13 is connected with clarified water pump switch board 9 by clarified water pump power cable 27.
The high voltage converter cabinet 5 arranged in control room 2 is prior art.High voltage converter cabinet 5 specifically includes that overcurrent protection to rainwater pump 8 defencive function, starts overtime protection, unbalance protection of three-phase current, starts abnormal protection；Overvoltage, low-voltage protection etc..By display screen and keyboard, show various state and setup control parameter.
The Multifunction electro-controlled cabinet 6 arranged in control room 2 realizes rainfall pumping station electrical equipment signals collecting and running state monitoring, control.By PLC display screen 35, the state of rainwater pump 8 running status and protection can be monitored intuitively, control the start-stop of rainwater pump 8, monitor clarified water pump running status, control the start-stop of clarified water pump；The failure condition of monitoring high voltage converter 5；And rainwater pump 8 ruuning situation, the start-stop of control rainwater pump 8 can be monitored at the scene.
First emergency stop switch 31 and the second emergency stop switch 32 make on the different normal opened contacts of rainwater sudden-stop of bump signal wiring emergency stop switch simultaneously, it is ensured that on-the-spot each emergency stop switch can make rainwater pump 8 jerk simultaneously.Ensure that Field Force is in rainwater pump 8 operation exception and in emergency circumstances timely disjunction high voltage power supply.
Execute-in-place post 7 is located at rain pump room 3, with Multifunction electro-controlled cabinet 6 by execute-in-place post signal cable 20 communication.Meet electric operation personnel on site and control electrical equipment start-stop, monitoring rainwater pump work state, onsite alarming alert status and ruuning situation.
The electric control system of rainfall pumping station includes: high voltage converter cabinet 5 is connected with high-tension switch cabinet 4, realize high-tension switch cabinet 4 remotely to operate, Multifunction electro-controlled cabinet 6 is connected with high voltage converter cabinet 5, execute-in-place post 7, clarified water pump switch board 9, outlet pressure switch 10, water outlet valve switch 11, irrigation channel liquid-level switch 14, intake pool liquidometer 15, water outlet river course liquidometer 16, rainwater pump temperature sensor 40, it is achieved rainfall pumping station electrical equipment signals collecting and running state monitoring, control.The rainwater pump electric control system of this rainfall pumping station mainly gathers parameters described below:
(1) running status of high voltage converter cabinet and divide-shut brake order；
(2) rainwater pump temperature；
(3) intake pool liquid level and water outlet river course liquid level；
(4) clarified water pump switch board running status and divide-shut brake order；
(5) outlet pressure alarm, water outlet valve switch alarm, irrigation channel liquid-level switch alarm signal.
Control function of the present utility model mainly has:
(1) Multifunction electro-controlled cabinet can the duty of each equipment of monitoring system intuitively, rainfall pumping station equipment is carried out centralized Control, makes that rainwater pump is simple and reliable to put into operation；
(2) by Configuration Design, can display device running status visually；
(3) on-the-spot high voltage converter cabinet can arrange power and load current value, it is achieved rainwater pump work is crossed stream, owed overvoltage fault alarm, and alarm signal is uploaded to multifunctional controlled cabinet；
(4) operator are before equipment runs, according to setting outlet pressure, and irrigation channel minimum liquid level, the parameter such as rainwater pump alarm temperature and termination of pumping temperature, it is ensured that high voltage converter cabinet defencive function properly functioning.
Claims (6)
1. a rainwater pump electric control system for rainfall pumping station, including rainwater pump, high-tension distribution chamber of converting and the high-tension switch cabinet of interior setting, the clarified water pump of rain pump room and interior setting thereof；It is characterized in that: also include control room (2), control room (2) is provided with high voltage converter cabinet (5) and Multifunction electro-controlled cabinet (6), high-tension switch cabinet (4) is connected with high voltage converter cabinet (5), and high voltage converter cabinet (5) is connected with Multifunction electro-controlled cabinet (6), rainwater pump (8)；Rain pump room (3) is provided with execute-in-place post (7) and clarified water pump switch board (9), execute-in-place post (7) is provided with operation post rain starting of pump station button (33), operation post rainwater pump stop button (34), Multifunction electro-controlled cabinet (6) panel is provided with electrical control cubicles long-range rain starting of pump station button (36), electrical control cubicles long-range rainwater pump stop button (37), operation post rain starting of pump station button (33), operation post rainwater pump stop button (34) and electrical control cubicles long-range rain starting of pump station button (36), electrical control cubicles long-range rainwater pump stop button (37) is connected by signal cable (20), clarified water pump switch board (9) is connected with Multifunction electro-controlled cabinet (6)；Multifunction electro-controlled cabinet (6) panel is provided with PLC display screen (35).
The rainwater pump electric control system of a kind of rainfall pumping station the most as claimed in claim 1, it is characterised in that: clarified water pump switch board (9) controls cable (25) by clarified water pump switch board and is respectively connecting to Multifunction electro-controlled cabinet clarified water pump remote starter button (38), the long-range stop button of Multifunction electro-controlled cabinet clarified water pump (39).
The rainwater pump electric control system of a kind of rainfall pumping station the most as claimed in claim 2, it is characterized in that: high voltage converter cabinet (5) is provided with the first emergency stop switch (31), execute-in-place post (7) is provided with the second emergency stop switch (32), the first emergency stop switch (31) controls cable (19) with the second emergency stop switch (32) through rainwater sudden-stop of bump and is connected to the opening circuit of high-pressure frequency-conversion cabinet (5).
4. the rainwater pump electric control system of a kind of rainfall pumping station as described in claims 1 to 3 any one, it is characterized in that: rain pump outlet is provided with outlet pressure switch (10), in rainwater pump (8) water inlet, irrigation channel liquid-level switch (14) is set, intake pool liquidometer (15) is set at intake pool, is provided with water outlet river course liquidometer (16) in water outlet river course.
The rainwater pump electric control system of a kind of rainfall pumping station the most as claimed in claim 4, it is characterized in that: multifunctional controlled cabinet (6) is connected to outlet pressure switch (10) by outlet pressure switch signal cable (23), multifunctional controlled cabinet (6) is connected to water outlet valve switch (11) by water outlet valve switching signal cable (24), multifunctional controlled cabinet (6) is connected to irrigation channel liquid-level switch (14) by irrigation channel level switch signal cable (28), PLC display screen (35) is connected to intake pool liquidometer (15) by intake pool liquidometer signal cable (29), PLC display screen (35) is connected to water outlet river course liquidometer (16) by water outlet river course liquidometer signal cable (30).
The rainwater pump electric control system of a kind of rainfall pumping station the most as claimed in claim 5, it is characterized in that: clear water reserviors are provided with clear water reserviors liquid-level switch (12), clear water reserviors liquid-level switch (12) is connected with clarified water pump switch board (9) by clear water reserviors level switch signal cable (26), and clarified water pump (13) is connected with clarified water pump switch board (9) by clarified water pump power cable (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620338397.XU CN205605400U (en) | 2016-04-21 | 2016-04-21 | Rainwater pump electric control system of rainwater pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620338397.XU CN205605400U (en) | 2016-04-21 | 2016-04-21 | Rainwater pump electric control system of rainwater pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605400U true CN205605400U (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620338397.XU Expired - Fee Related CN205605400U (en) | 2016-04-21 | 2016-04-21 | Rainwater pump electric control system of rainwater pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715528A (en) * | 2016-04-21 | 2016-06-29 | 中国市政工程西北设计研究院有限公司 | Electrical control system for rainwater pump of rainwater pump station |
-
2016
- 2016-04-21 CN CN201620338397.XU patent/CN205605400U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715528A (en) * | 2016-04-21 | 2016-06-29 | 中国市政工程西北设计研究院有限公司 | Electrical control system for rainwater pump of rainwater pump station |
| CN105715528B (en) * | 2016-04-21 | 2017-08-11 | 中国市政工程西北设计研究院有限公司 | The rainwater pump electric control system of rainfall pumping station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qian Zhongyang Inventor after: Xu Dong Inventor after: Feng Wei Inventor before: Qian Zhongyang Inventor before: Zhao Xiaolei Inventor before: Feng Po |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20180421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |