CN206092445U - Water pump is imitated to superelevation - Google Patents
Water pump is imitated to superelevation Download PDFInfo
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- CN206092445U CN206092445U CN201621096812.1U CN201621096812U CN206092445U CN 206092445 U CN206092445 U CN 206092445U CN 201621096812 U CN201621096812 U CN 201621096812U CN 206092445 U CN206092445 U CN 206092445U
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- Prior art keywords
- water pump
- high efficiency
- ultra high
- earth permanent
- rare
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 41
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 230000033228 biological regulation Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a water pump assembly field discloses a water pump is imitated to superelevation. Water pump is imitated to superelevation includes water pump body (1), supports a section of thick bamboo (2), rare earth permanent magnet motor (3), control box (4) and alternating current joint (5). It not only can reduce the motor power consumption through combining together variable frequency technology and rare earth permanent magnet motor by a wide margin, improves the electric energy utilization efficiency, can also utilize microcontroller to vector frequency converter's control, realizes stabilize driving motor's rotational speed and accurate the regulation according to specific water height that send, makes the electric energy efficiency maximize, simultaneously still through adopting the pump integrated configuration of going up the electricity and launching, can stop to appear leading to potential safety hazards such as electric leakage because of leaking, use safe and reliable. Furthermore, but water pump is imitated to superelevation still has advantages such as anti -vibration performance height, good heat dissipation, the warning of convenient operation excess temperature, simple structure and easy equipment, the actual popularization and applied of being convenient for.
Description
Technical field
This utility model is related to pump equipment field, in particular it relates to a kind of ultra high efficiency water pump.
Background technology
With the development of social economy, skyscraper is more and more, also increasingly wider to the application demand of water pump, but mesh
Also mostly there are the following problems for front traditional water pump：（1）Motor power consumption is high, needs substantial amounts of electric energy to realize work, especially
Employ the water pump of traditional squirrel-cage motor；（2）Variable frequency adjustment is inconvenient, it is difficult to according to specifically sending water height to motor
Rotating speed carries out stable and accurate adjustment；（3）In traditional water pump selection structure, motor is generally parallel with water pump body to be put
Put, leak such as occur, will easily lead to the potential safety hazards such as electric leakage occur.
Utility model content
For aforementioned problem of the prior art, this utility model provides a kind of ultra high efficiency water pump, and it is by by frequency conversion skill
Art can be greatly reduced motor power consumption in combination with rare-earth permanent-magnet electric machine, not only, improve efficiency, can be with profit
With control of the microcontroller to vector frequency converter, realize according to specifically send water height the rotating speed of motor is carried out it is stable and
Accurate adjustment, maximizes electric energy efficiency, while also by adopting the pump combinative structure of the lower water that has access to electricity, can prevent to occur because
Leak and cause electric leakage etc. potential safety hazard, it is safe and reliable.Additionally, the ultra high efficiency water pump also has freedom from vibration high, scattered
It is hot it is good, easy to operate, can overtemperature alarm, simple structure and the advantages of be easily assembled to, be easy to actual promotion and application.
The technical solution adopted in the utility model, there is provided a kind of ultra high efficiency water pump, including water pump body, support tube, rare earth
Magneto, control box with exchange electric connection, wherein, the water pump body include base, water inlet-outlet segment, resistance to pressure cylinder, pump head, pump shaft
And impeller；The base, the water inlet-outlet segment, the resistance to pressure cylinder, the pump head, the support tube and the rare-earth permanent-magnet electric machine
It is fixedly linked successively from bottom to up, the armature spindle of the rare-earth permanent-magnet electric machine connects institute by shaft coupling in the support tube interior axle
Pump shaft is stated, the pump shaft sequentially passes through from top to bottom the pump head and the resistance to pressure cylinder, and last shaft connection place is in the Inlet and outlet water
The impeller of intrasegmental part；The control box is arranged on the outer wall of the rare-earth permanent-magnet electric machine, and is disposed with the control box
Microcontroller, electric-controlled switch and vector frequency converter, wherein, the microcontroller communicates to connect respectively the controlled of the electric-controlled switch
End and the controlled end of the vector frequency converter；The exchange electric connection is sequentially connected electrically the electric-controlled switch, the vector converter
Device and the rare-earth permanent-magnet electric machine, form motor driving loop.
Optimize, the base and the pump head are fixedly linked by some pull bars of peripheral disposition.
Optimization, if being disposed with fin of the dry tablet in vertical shape in the outside wall surface of the rare-earth permanent-magnet electric machine.
Optimization, the touching display screen for communicating to connect the microcontroller is embedded with the main view panel of the control box.
Optimization, the AC/DC transducers of the electrical connection exchange electric connection are there also is provided in the control box.
Optimization, the radio receiving transmitting module for communicating to connect the microcontroller is there also is provided in the control box.Enter one
Step is specific, and the radio receiving transmitting module is in WiFi wireless modules, RF433MHz wireless radiofrequencies module and GPRS wireless modules
Any one or their combination in any.
Optimization, there also is provided in the control box communicate to connect respectively the microcontroller temperature read module and
Audible-visual annunciator；The temperature read module includes NTC themistor and a/d converter, and the NTC themistor is electrically connected
The a/d converter is connect, the a/d converter communicates to connect the microcontroller.
Optimization, it is respectively equipped with flange in the water inlet of the water inlet-outlet segment and water outlet.
Optimization, the support tube is made using glass steel material.
To sum up, using ultra high efficiency water pump provided by the utility model, have the advantages that：（1）By by frequency conversion
Technology can be greatly reduced motor power consumption in combination with rare-earth permanent-magnet electric machine, improve efficiency；（2）Can be with profit
With control of the microcontroller to vector frequency converter, realize according to specifically send water height the rotating speed of motor is carried out it is stable and
Accurate adjustment, maximizes electric energy efficiency；（3）By the pump combinative structure for adopting the lower water that has access to electricity, appearance can be prevented because of leakage
Water and cause electric leakage etc. potential safety hazard, it is safe and reliable；（4）The ultra high efficiency water pump also has freedom from vibration height, thermal diffusivity
It is good, easy to operate, can overtemperature alarm, simple structure and the advantages of be easily assembled to, be easy to actual promotion and application.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the dimensional structure diagram of the ultra high efficiency water pump that this utility model is provided.
Fig. 2 is the control system architecture schematic diagram of the ultra high efficiency water pump that this utility model is provided.
In above-mentioned accompanying drawing：1st, water pump body 101, base 102, water inlet-outlet segment 102a, water inlet 102b, outlet
103rd, resistance to pressure cylinder 104, pump head 105, pull bar 2, support tube 3, rare-earth permanent-magnet electric machine 301, fin 4, control box 401,
Touching display screen 5, exchange electric connection.
Specific embodiment
Hereinafter with reference to accompanying drawing, the ultra high efficiency water pump of this utility model offer is described in detail by way of example.
It should be noted that this is for the explanation of these way of example is used to help understand this utility model, but does not constitute to this
The restriction of utility model.
The terms "and/or", only a kind of incidence relation of description affiliated partner, represents there may be three kinds of passes
System, for example, A and/or B can be represented：Individualism A, individualism B, while there are tri- kinds of situations of A and B, the terms
"/and " it is another kind of affiliated partner relation of description, expression there may be two kinds of relations, and for example, A/ and B can be represented：Individually deposit
In A, two kinds of situations of individualism A and B, in addition, character "/" herein, typicallys represent forward-backward correlation pair as if a kind of "or" is closed
System.
Embodiment one
Fig. 1 shows the dimensional structure diagram of the ultra high efficiency water pump that this utility model is provided, and Fig. 2 shows that this practicality is new
The control system architecture schematic diagram of the ultra high efficiency water pump that type is provided.The ultra high efficiency water pump that the present embodiment is provided, including water pump
Body 1, support tube 2, rare-earth permanent-magnet electric machine 3, control box 4 with exchange electric connection 5, wherein, the water pump body 1 include base 101, enter
Water exit end 102, resistance to pressure cylinder 103, pump head 104, pump shaft and impeller；The base 101, the water inlet-outlet segment 102, the resistance to pressure cylinder
103rd, the pump head 104, the support tube 2 and the rare-earth permanent-magnet electric machine 3 are fixedly linked successively from bottom to up, and the rare earth is forever
The armature spindle of magneto 3 connects the pump shaft by shaft coupling in the interior axle of the support tube 2, and the pump shaft is worn successively from top to bottom
Cross the pump head 104 and the resistance to pressure cylinder 103, impeller of the last shaft connection place inside the water inlet-outlet segment 102；The control
Box 4 is arranged on the outer wall of the rare-earth permanent-magnet electric machine 3, and be disposed with the control box 4 microcontroller, electric-controlled switch and
Vector frequency converter, wherein, the microcontroller communicates to connect respectively the controlled end of the electric-controlled switch and the vector frequency converter
Controlled end；The exchange electric connection 5 is sequentially connected electrically the electric-controlled switch, the vector frequency converter and rare earth permanent magnet electricity
Machine, forms motor driving loop.
As illustrated in fig. 1 and 2, in the structure of the ultra high efficiency water pump, the water pump body 1 be vertical structure, for
Under the driving of Fang Suoshu rare-earth permanent-magnet electric machines 3, water pump function is realized, wherein, the base 101 is used to be fixed on whole device
Install on bottom surface；The water inlet-outlet segment 102 is used to import water body, and internally under the driving of impeller, lifts water body kinetic energy, and leads
Go out high speed water body；The resistance to pressure cylinder 103 is used to increase the height of the rare-earth permanent-magnet electric machine 3, so as to ventilation and heat；The pump head
104 are used to be docked with the rare-earth permanent-magnet electric machine 3 by the support tube 2.The control box 4 is used to carry control system of water pump
And power-supply system, to realize the job control to the rare-earth permanent-magnet electric machine 3, wherein, the microcontroller is used for according to tool
The water that send of body highly determines the rotating speed of the rare-earth permanent-magnet electric machine 3, then produces the command adapted thereto of the control vector frequency converter,
Realize carrying out the rotating speed of motor stable and accurate adjustment；The electric-controlled switch is used for the control in the microcontroller
Under, realization is opened or closed operation to the motor driving loop, to start/stop water pump, its can be, but not limited to for
Relay；The vector frequency converter is used under the control of the microcontroller, using internal IGBT（Insulated Gate
Bipolar Transistor, insulated gate bipolar transistor）Cut-off to adjust the input voltage of the rare-earth permanent-magnet electric machine 3
And operating frequency, and then realize the variable frequency adjustment to the rare-earth permanent-magnet electric machine 3.For example when target send water height higher, from
It is dynamic to improve operating frequency, accelerate the rotating speed of water pump vane；When target send water highly relatively low, operating frequency is reduced automatically, slow down
The rotating speed of water pump vane.
The rare-earth permanent-magnet electric machine 3 is a kind of high energy product and high-coercive force of utilization rare-earth permanent magnet（It is particularly high interior
Report coercivity）And the magneto of the motor series of advantages such as have small volume, lightweight, efficiency high, characteristic good is caused, its phase
For traditional squirrel-cage motor, energy-saving effect can reach more than 20%, have obvious social and economic benefits.The rare earth permanent magnet
Motor 3 drives the pump shaft and impeller by its armature spindle, realizes water pump function.The exchange electric connection is used for external civil power
（Such as 220V three-phase alternating currents）, import electric energy.Further, since adopting the water pump selection structure of the lower water that has access to electricity, on the one hand can make
The rare-earth permanent-magnet electric machine 3 is located at eminence, and easily wind-engaging radiates, and ensures the magnetic property of motor（It is difficult to occur because of high temperature
Magnetic problem）；On the other hand appearance can also be prevented causes the potential safety hazards such as electric leakage because of leak, safe and reliable.Thus lead to
Cross by converter technique in combination with rare-earth permanent-magnet electric machine, motor power consumption can be not only greatly reduced, improve utilization of power effect
Rate, can also utilize control of the microcontroller to vector frequency converter, realize that basis specifically send water height to turn motor
Speed carries out stable and accurate adjustment, maximizes electric energy efficiency, while also pass through the pump combinative structure for adopting the lower water that has access to electricity, can
It is safe and reliable to prevent to occur causing the potential safety hazards such as electric leakage because of leak.Additionally, the ultra high efficiency water pump also has dissipating
Hot good, simple structure and the advantages of be easily assembled to, is easy to actual promotion and application.
Optimize, the base 101 and the pump head 104 are fixedly linked by some pull bars 105 of peripheral disposition.Such as
Shown in Fig. 1, by arranging many pull bars 105, can be to the support tube 2 of the pump head 104 and its top and described
Rare-earth permanent-magnet electric machine 3 plays a binding effect, improves the steadiness and job stability of whole pumping plant, makes ultra high efficiency water
Pump has the advantages that freedom from vibration is high.
Optimization, if being disposed with fin 301 of the dry tablet in vertical shape in the outside wall surface of the rare-earth permanent-magnet electric machine 3.
As shown in figure 1, by configuring the fin 301, can further improve heat dissipation characteristics, the magnetic property of motor is ensured.
Optimization, the touching display screen for communicating to connect the microcontroller is embedded with the main view panel of the control box 1
401.As illustrated in fig. 1 and 2, the touching display screen 401 is used to realize man-machine interaction, for example shows the instant rotating speed of water pump with can
Send water height, and touch-control input rotating speed of target or target to send the control parameters such as water height, facilitate practical operation.
Optimization, the AC/DC transducers of the electrical connection exchange electric connection 5 are there also is provided in the control box 4.As schemed
Described in 2, the AC/DC transducers are that alternating current is changed into galvanic equipment by one kind, and it is used to connect from the alternating current
5 High Level AC Voltage is converted to low-voltage DC, and then provides electricity for other the unidirectional current operational modules in the control box 4
Can support, such as shown in Fig. 2 it is not limited to be electrically connected the touching display screen 401 and the microprocessor, so as to can
It is that the touching display screen 401 and the microprocessor provide direct-current working volts.
Optimization, the radio receiving transmitting module for communicating to connect the microcontroller is there also is provided in the control box 4.As schemed
Shown in 2, by configuring the radio receiving transmitting module, it is possible to achieve carry out distal end to the working condition of the rare-earth permanent-magnet electric machine 3
Monitoring, for example, import rotating speed of target or target send the control parameters such as water height, or feedback to turn immediately by radio communication distal end
Speed and can send water height etc. job information, can so further facilitate practical operation.Further optimize, the wireless receiving and dispatching
Module can be, but not limited to as WiFi wireless modules, RF433MHz wireless radiofrequencies module and GPRS（General Packet
Radio Service, general packet radio service technology）Any one or they in the radio receiving transmitting modules such as wireless module
Combination in any.
Optimization, the temperature read module for communicating to connect the microcontroller respectively is there also is provided in the control box 4
And audible-visual annunciator；The temperature read module includes NTC themistor and a/d converter, the NTC themistor electricity
Connect the a/d converter, the a/d converter communicates to connect the microcontroller.As shown in Fig. 2 the temperature read module
For obtaining the real-time temperature value of the reflection rare-earth permanent-magnet electric machine 3, wherein, the NTC（Negative Temperature
Coefficient, negative temperature coefficient）Thermal resistor is a kind of with transition metal oxide as main raw material(s), using electronics
Thermal sensitive ceramics component made by ceramic process, its resistance value is reduced with the rising of temperature, it is possible thereby to pass through the NTC temperature-sensitives
The real-time power size of resistor, the real-time temperature reflected inside the control box 4 and reflects the rare-earth permanent-magnet electric machine 3 indirectly
Real-time temperature；The a/d converter is a kind of analog-digital converter, for by from the conversion of the analogue signal of NTC themistor
To be the digital signal of microcontroller identification, digitized real-time temperature value is so obtained.The audible-visual annunciator
When real-time temperature for judging the rare-earth permanent-magnet electric machine 3 in the microcontroller is too high or other situations occurs, sound is sent
Light alarm.
Optimization, it is respectively equipped with flange at the water inlet 102a of the water inlet-outlet segment 102 and at outlet 102b.As schemed
Shown in 1, by arranging the flange, the water inlet 102a and the outlet 102b can be enable to carry out flange with water pipe respectively
Connection, the problems such as prevent leak.
Optimization, the support tube 2 is made using glass steel material.Hardness height and insulation using glass steel material is special
Property, the potential safety hazards such as electric leakage can be further prevented on the basis of stabilized structure is ensured, lift safety in utilization.
To sum up, the ultra high efficiency water pump that the present embodiment is provided, has the advantages that：（1）By by converter technique with
Rare-earth permanent-magnet electric machine combines, and motor power consumption can be greatly reduced, and improves efficiency；（2）Micro-control can be utilized
Control of the device processed to vector frequency converter, realizes that basis specifically send water height to carry out to the rotating speed of motor stable and accurately adjust
Section, maximizes electric energy efficiency；（3）By the pump combinative structure for adopting the lower water that has access to electricity, appearance can be prevented and led because of leak
The potential safety hazards such as electric leakage are caused, it is safe and reliable；（4）The ultra high efficiency water pump also has that freedom from vibration is high, thermal diffusivity is good, operation
It is convenient, can overtemperature alarm, simple structure and the advantages of be easily assembled to, be easy to actual promotion and application.
As described above, this utility model can be realized preferably.For a person skilled in the art, it is new according to this practicality
The teaching of type, designs the ultra high efficiency water pump of multi-form and does not need performing creative labour.Without departing from of the present utility model
Principle and spirit in the case of these embodiments are changed, are changed, replaced, is integrated and modification still fall within it is of the present utility model
In protection domain.
Claims (10)
1. a kind of ultra high efficiency water pump, it is characterised in that including water pump body（1）, support tube（2）, rare-earth permanent-magnet electric machine（3）, control
Box（4）With exchange electric connection（5）, wherein, the water pump body（1）Including base（101）, water inlet-outlet segment（102）, resistance to pressure cylinder
（103）, pump head（104）, pump shaft and impeller；
The base（101）, the water inlet-outlet segment（102）, the resistance to pressure cylinder（103）, the pump head（104）, the support tube
（2）With the rare-earth permanent-magnet electric machine（3）It is fixedly linked successively from bottom to up, the rare-earth permanent-magnet electric machine（3）Armature spindle pass through
Shaft coupling is in the support tube（2）Interior axle connects the pump shaft, and the pump shaft sequentially passes through from top to bottom the pump head（104）With
The resistance to pressure cylinder（103）, last shaft connection place is in the water inlet-outlet segment（102）Internal impeller；
The control box（4）It is arranged on the rare-earth permanent-magnet electric machine（3）Outer wall on, and in the control box（4）Inside it is disposed with
Microcontroller, electric-controlled switch and vector frequency converter, wherein, the microcontroller communicates to connect respectively the controlled of the electric-controlled switch
End and the controlled end of the vector frequency converter；
The exchange electric connection（5）The electric-controlled switch, the vector frequency converter and the rare-earth permanent-magnet electric machine are sequentially connected electrically,
Form motor driving loop.
2. ultra high efficiency water pump as claimed in claim 1, it is characterised in that the base（101）With the pump head（104）Pass through
Some pull bars of peripheral disposition（105）It is fixedly linked.
3. ultra high efficiency water pump as claimed in claim 1, it is characterised in that in the rare-earth permanent-magnet electric machine（3）Outside wall surface on
If being disposed with fin of the dry tablet in vertical shape（301）.
4. ultra high efficiency water pump as claimed in claim 1, it is characterised in that in the control box（4）Main view panel in be embedded with
Communicate to connect the touching display screen of the microcontroller（401）.
5. ultra high efficiency water pump as claimed in claim 1, it is characterised in that in the control box（4）Inside there also is provided electrical connection
The exchange electric connection（5）AC/DC transducers.
6. ultra high efficiency water pump as claimed in claim 1, it is characterised in that in the control box（4）Inside there also is provided communication link
Connect the radio receiving transmitting module of the microcontroller.
7. ultra high efficiency water pump as claimed in claim 6, it is characterised in that the radio receiving transmitting module be WiFi wireless modules,
Any one in RF433MHz wireless radiofrequencies module and GPRS wireless modules or their combination in any.
8. ultra high efficiency water pump as claimed in claim 1, it is characterised in that in the control box（4）Inside there also is provided and lead to respectively
The temperature read module and audible-visual annunciator of the letter connection microcontroller；
The temperature read module includes NTC themistor and a/d converter, and the NTC themistor electrically connects the AD
Transducer, the a/d converter communicates to connect the microcontroller.
9. ultra high efficiency water pump as claimed in claim 1, it is characterised in that in the water inlet-outlet segment（102）Water inlet
（102a）Place and outlet（102b）Place is respectively equipped with flange.
10. ultra high efficiency water pump as claimed in claim 1, it is characterised in that the support tube（2）Using glass steel material system
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096812.1U CN206092445U (en) | 2016-09-30 | 2016-09-30 | Water pump is imitated to superelevation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096812.1U CN206092445U (en) | 2016-09-30 | 2016-09-30 | Water pump is imitated to superelevation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092445U true CN206092445U (en) | 2017-04-12 |
Family
ID=58482266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621096812.1U Expired - Fee Related CN206092445U (en) | 2016-09-30 | 2016-09-30 | Water pump is imitated to superelevation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092445U (en) |
-
2016
- 2016-09-30 CN CN201621096812.1U patent/CN206092445U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 |