CN206753464U - The large-scale rolling screen door of energy saving - Google Patents
The large-scale rolling screen door of energy saving Download PDFInfo
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- CN206753464U CN206753464U CN201720471564.2U CN201720471564U CN206753464U CN 206753464 U CN206753464 U CN 206753464U CN 201720471564 U CN201720471564 U CN 201720471564U CN 206753464 U CN206753464 U CN 206753464U
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Abstract
It the utility model is related to the large-scale rolling screen door of energy saving, including supporting plate, reel, door curtain guide rail, door curtain, three-phase door roller, transmission mechanism, electric cabinet and operation circuit；The three-phase door roller includes gearbox, three phase electric machine and back casing；The gearbox front end is provided with mounting seat, and brake gear is provided with back casing；The brake gear is provided with brake magnet coil；The operation circuit includes main circuit, braking circuit and control circuit；The braking circuit includes brake magnet coil and single-phase rectification bridge；The control circuit includes upload control circuit, lower line control circuit, delta-connected circuit and star-connected circuit；The upload control circuit is provided with corner connection contactor coil, and lower line control circuit connects contactor coil provided with star；The delta-connected circuit includes three main contacts of corner connection contactor, and star-connected circuit includes three main contacts that star connects contactor.The utility model energy energy saving.
Description
Technical field
It the utility model is related to rolling screen door technical field, more particularly to the large-scale rolling screen door of energy saving.
Background technology
Electric rolling door is used widely in places such as StoreFront, garage, markets, and electric rolling door is lifted by installed in branch
Door roller on frame plate drives, and door roller typically drives spool turns by chain-drive mechanism, and reel drives and is wrapped on reel
Door curtain slided up and down along door curtain guide rail to carry out switch gate.Large-scale rolling screen door is typically driven by three-phase door roller, three-phase volume
Door machine is typically made up of gearbox, three phase electric machine and electromagnetic brake device.When opening rolling screen door, three-phase door roller rolls up door curtain
Onto reel, due to the deadweight of door curtain hanging portion, the load of three phase electric machine is larger；When closing rolling screen door, door curtain hanging portion
Deadweight can drive spool turns, the light load of three phase electric machine.The loss of three phase electric machine mainly include two, when stator around
The resistance of group, referred to as copper loss, copper loss make stator winding generate heat；Second, the iron core of motor, referred to as iron loss, iron loss makes heating unshakable in one's determination.
Under rated voltage, the loss and load factor positive correlation of three phase electric machine, when load factor is more than 80%, its efficiency reaches preferable shape
State, when load factor declines, its efficiency also declines, and when load factor is less than 40%, the efficiency of motor can be reduced substantially.Existing
Three-phase door roller in, the winding of three phase electric machine is being opened the door and it connects at closing time typically using triangle connection or Y-connection
It is constant to connect mode, therefore, when closing rolling screen door light load, the efficiency of three phase electric machine can be decreased obviously, and not only waste electricity
Can, the heating of three phase electric machine is also add, influences service behaviour.
Utility model content
The utility model overcomes the deficiencies in the prior art, there is provided a kind of large-scale rolling screen door of energy energy saving.
The utility model is achieved through the following technical solutions：
The large-scale rolling screen door of energy saving, including supporting plate, reel, door curtain guide rail, door curtain, three-phase door roller, driver
Structure, electric cabinet and operation circuit；The supporting plate is divided into above door opening on the wall of both sides；The reel is on door opening
Side, its both ends and supporting plate rotation connection；The door curtain guide rail is divided into door opening both sides；The door curtain is wrapped on reel and energy
Slided up and down along door curtain guide rail；The three-phase door roller passes through transmission mechanism and reel on the supporting plate of reel one end
Drive connection；The three-phase door roller includes gearbox, three phase electric machine and back casing；The gearbox front end is provided with mounting seat,
Brake gear is provided with back casing；The brake gear is provided with the brake magnet coil for being used for opening brake system；The operation
Circuit includes main circuit, braking circuit and control circuit；The main circuit includes breaker, upcoming contact device, descending contactor
And three phase electric machine；The breaker input connects the A phases, B phases and C phases of three phase mains respectively；The upcoming contact device is used for
Control three phase electric machine to rotate forward to open the door, one end of its three main contacts connects three output ends of breaker, other end difference respectively
Connect three head ends U1, V1, W1 of three phase electric machine three-phase windings；The descending contactor is used to control three phase electric machine reversion to close
Door, one end of its three main contacts connect three output ends of breaker respectively, the other end connect respectively three phase electric machine three-phase around
Three head ends W1, V1, U1 of group；The braking circuit includes brake magnet coil and single-phase rectification bridge；The brake electromagnetic wire
The both ends of circle connect two output ends of single-phase rectification bridge respectively, and two inputs of single-phase rectification bridge connect zero line and three respectively
One head end of phase motor three-phase windings；
The control circuit includes upload control circuit, lower line control circuit, delta-connected circuit and Y-connection electricity
Road；
The zero line of power supply that the upload control circuit includes being serially connected, normally opened up button, descending contactor it is normal
Close the C phases of the second auxiliary contact, upcoming contact device coil, corner connection contactor coil, normally closed stop button and breaker output end；
The both ends of the normally opened up button are parallel with normally opened 3rd auxiliary contact of upcoming contact device；
The lower line control circuit include be serially connected zero line, normally opened descending button, normally closed the second of upcoming contact device
Auxiliary contact, descending contactor coil, star connect the C phases of contactor coil, normally closed stop button and breaker output end；It is described normal
The both ends for opening descending button are parallel with normally opened 3rd auxiliary contact of descending contactor；
The delta-connected circuit includes three main contacts of corner connection contactor；First master of the corner connection contactor touches
The U1 ends of the input connection three phase electric machine three-phase windings head end of point, the W2 of output end connection three phase electric machine three-phase windings end
End；The V1 ends of the input connection three phase electric machine three-phase windings head end of second main contacts of the corner connection contactor, output end connect
Connect the U2 ends of three phase electric machine three-phase windings end；The input connection three phase electric machine three of 3rd main contacts of the corner connection contactor
The W1 ends of phase winding head end, the V2 ends of output end connection three phase electric machine three-phase windings end；
The star-connected circuit includes three main contacts that star connects contactor；The star connects three main contacts of contactor
Input connect three ends U2, V2, W2 of three phase electric machine three-phase windings respectively, output end is connected with each other；
The breaker, upcoming contact device, descending contactor, corner connection contactor, star connect contactor and single-phase rectification bridge is equal
In electric cabinet, normally opened up button, normally opened descending button and the normally closed stop button are outside electric cabinet shell.
When opening rolling screen door, breaker is closed, presses normally opened up button, upload control circuit is connected, upcoming contact
Device obtains electric adhesive, and its main contacts closure, main circuit, braking circuit are connected, and brake magnet coil is obtained through single-phase rectification bridge rectification
Direct current afterwards opens three-phase door roller brake system；Corner connection contactor also electric adhesive, its three main contacts closure, three-phase electricity
Three main contacts triangle connections of the three-phase windings of machine through corner connection contactor, the three-phase windings of three phase electric machine obtain electric rotating forward
Operation, drive door curtain to rise and open, because the three-phase windings of three phase electric machine are connected using triangle, power is larger, just matches
Relatively large load when rolling screen door is opened；After upcoming contact device obtains electric adhesive, its normally opened 3rd auxiliary contact closed pair is normally opened up
Button carries out self-locking in parallel, and its normally closed second auxiliary contact disconnects the lower line control circuit of cut-out, and lower line control circuit is protected
Shield, even if now pressing normally opened descending button, descending contactor coil can not energized action；Stop rolling screen door it is up when,
Normally closed stop button cut-out upload control circuit, upcoming contact device dead electricity are pressed, main contacts disconnects, and main circuit and braking circuit are equal
Dead electricity, three phase electric machine is out of service, and brake system is braked to three-phase door roller, and normally closed second auxiliary of upcoming contact device is touched
Point, normally opened 3rd auxiliary contact also reset, and corner connection contactor also resets.
Similarly, when closing rolling screen door, breaker is closed, presses normally opened descending button, lower line control circuit is connected, descending
Contactor obtains electric adhesive, and its main contacts closure, main circuit, braking circuit be turned on, star connect contactor also electric adhesive, its three
Main contacts closes, and the three-phase windings of three phase electric machine connect three main contacts composition Y-connection of contactor through star, three phase electric machine
Three-phase windings obtain electric reversion operation, the descending closing of door curtain are driven, because the three-phase windings of three phase electric machine use Y-connection, power
Smaller, simply 1/3rd of triangle connection, just match with smaller load when closing rolling screen door, can improve three-phase electricity
The load factor of machine, so as to improve the efficiency of three phase electric machine, energy saving, reduce heating；After descending contactor obtains electric adhesive, its is normal
Open the normally opened descending button of the 3rd auxiliary contact closed pair and carry out self-locking in parallel, its normally closed second auxiliary contact, which disconnects, cuts off up control
Circuit processed, upload control circuit is protected；Stop rolling screen door it is descending when, press normally closed stop button and cut off descending control
Circuit, making main circuit and the equal dead electricity of braking circuit, three phase electric machine is out of service, and brake system is braked to three-phase door roller,
The second auxiliary contact, the 3rd auxiliary contact of descending contactor also reset, and star connects contactor and also resetted.
Further, the gearbox side is provided with limiter, and the limiter connects with gearbox transmission；The limiter is set
There are normally closed upper limit travel switch and normally closed lower bound range switch；The normally closed upper limit travel switch and normally closed lower bound range switch are equal
It is series in upload control circuit and lower line control circuit.Normally closed upper limit travel switch and normally closed lower bound range is set to switch and be used for
Make to be automatically stopped in predetermined position during rolling screen door upstream or downstream, when normally closed upper limit travel switch or normally closed lower bound range switch
During action, its normally-closed contact disconnects, and cuts off upload control circuit or lower line control circuit, upcoming contact device or descending contactor break
Cut-out main circuit is opened, three phase electric machine stops operating.
Further, the transmission mechanism is chain drive structure.Chain-drive mechanism is conventional transmission mechanism, simple in construction,
Stable drive, variable-ratio.
The beneficial effects of the utility model are：Corner connection contactor is used in control circuit, makes three-phase when opening rolling screen door
Relatively large load when the triangle connection of three-phase windings of motor produces relatively high power and opens rolling screen door matches；Control electricity
Contactor is connect using star in road, the three-phase windings of three phase electric machine is formed Y-connection when closing rolling screen door reduces three phase electric machine
Smaller load when power and closing rolling screen door matches, and improves load factor, energy energy saving, reduces the heating of three phase electric machine.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Fig. 2 is the structural representation of door roller of the present utility model and electric cabinet.
Fig. 3 is circuit diagram of the present utility model.
Fig. 4 is the triangle connection figure of three phase electric machine three-phase windings of the present utility model.
Fig. 5 is the Y-connection figure of three phase electric machine three-phase windings of the present utility model.
Embodiment
As shown in Figures 1 to 3, embodiment of the present utility model, the large-scale rolling screen door of energy saving, including supporting plate 1, reel
2nd, door curtain guide rail 3, door curtain 4, three-phase door roller 5, transmission mechanism 6, electric cabinet 7 and operation circuit；The supporting plate 1 is divided into door
Above hole on the wall of both sides；Above door opening, its both ends and supporting plate 1 are rotatablely connected the reel 2；The door curtain guide rail
3 are divided into door opening both sides；The door curtain 4 is wrapped on reel 2 and can slided up and down along door curtain guide rail 3；The three-phase door roller 5
It is connected on the supporting plate 1 of the one end of reel 2, and by transmission mechanism 6 and reel 2；The three-phase door roller 5 includes becoming
Fast case 8, three phase electric machine M and back casing 9；The front end of gearbox 8 is provided with mounting seat 10, and brake gear is provided with back casing 9；Institute
State brake gear and be provided with the brake magnet coil YA for being used for opening brake system；The operation circuit includes main circuit, brake electricity
Road and control circuit；The main circuit includes circuit breaker Q F, upcoming contact device KM1, descending contactor KM2 and three phase electric machine M；Institute
State A phases, B phases and C phases that circuit breaker Q F inputs connect three phase mains respectively；The upcoming contact device KM1 is used to control three-phase
Motor M, which is rotated forward, to open the door, and its three main contacts KM1-1 one end connects circuit breaker Q F three output ends, other end difference respectively
Connect three head ends U1, V1, W1 of three phase electric machine M three-phase windings；The descending contactor KM2 is used to control three phase electric machine M anti-
Turn to close the door, its three main contacts KM2-1 one end connects circuit breaker Q F three output ends respectively, and the other end connects three-phase respectively
Three head ends W1, V1, U1 of motor M three-phase windings；The braking circuit includes brake magnet coil YA and single-phase rectification bridge UR；
The both ends of the brake magnet coil YA connect single-phase rectification bridge UR two output ends respectively, and two of single-phase rectification bridge UR are defeated
Enter the head end W1 that end connects zero line N and three phase electric machine M three-phase windings respectively；
The control circuit includes upload control circuit, lower line control circuit, delta-connected circuit and Y-connection electricity
Road；
The upload control circuit includes zero line N, normally opened up button SB1, the descending contactor for the power supply being sequentially connected in series
KM2 normally closed second auxiliary contact KM2-2, upcoming contact device KM1 coils, corner connection contactor KM3 coils, normally closed stop button
SB3 and circuit breaker Q F output ends C phases；The both ends of the normally opened up button SB1 are parallel with normally opened the of upcoming contact device KM1
Three auxiliary contact KM1-3；
The lower line control circuit include be sequentially connected in series zero line N, normally opened descending button SB2, upcoming contact device KM1 it is normal
Close the second auxiliary contact KM1-2, descending contactor KM2 coils, star and connect contactor KM4 coils, normally closed stop button SB3 and open circuit
The C phases of device QF output ends；Normally opened 3rd auxiliary that the both ends of the normally opened descending button SB2 are parallel with descending contactor KM2 is touched
Point KM2-3；
The delta-connected circuit includes corner connection contactor KM3 three main contacts KM3-1；The corner connection contactor
The U1 ends of the input connection three phase electric machine M three-phase windings head ends of KM3-1 the first main contacts, output end connection three phase electric machine M
The W2 ends of three-phase windings end；The input connection three phase electric machine M three-phase windings of the second main contacts of the corner connection contactor KM3
The V1 ends of head end, the U2 ends of output end connection three phase electric machine M three-phase windings end；The 3rd master of the corner connection contactor KM3 touches
The W1 ends of the input connection three phase electric machine M three-phase windings head ends of point, the V2 of output end connection three phase electric machine M three-phase windings end
End；
The star-connected circuit includes three main contacts KM4-1 that star meets contactor KM4；The star meets contactor KM4
Three main contacts KM4-1 input connect three ends U2, V2, W2 of three phase electric machine M three-phase windings, output end phase respectively
Connect；
The circuit breaker Q F, upcoming contact device KM1, descending contactor KM2, corner connection contactor KM3, star meet contactor KM4
With single-phase rectification bridge UR in electric cabinet 7, the normally opened up button SB1, normally opened descending button SB2 and normally closed stopping are pressed
Button SB3 is located at the hull outside of electric cabinet 7.
When opening rolling screen door, circuit breaker Q F is closed, presses normally opened up button SB1, upload control circuit is connected, up
Contactor KM1 obtains electric adhesive, and its main contacts KM1-1 closures, main circuit, braking circuit are turned on, and brake magnet coil YA is obtained
Direct current after single-phase rectification bridge UR rectifications opens brake system；Corner connection contactor KM3 also electric adhesive, its three main contacts
KM3-1 is closed, as shown in figure 4, three main contacts KM3-1s of the three phase electric machine M three-phase windings through corner connection contactor KM3 form three
Angle connection, three phase electric machine M three-phase windings obtain electric rotate forward and run, drive door curtain 4 to rise and open, due to the three of three phase electric machine M
Phase winding is connected using triangle, and power is larger, just matches relatively large load when rolling screen door is opened；Upcoming contact device KM1 is obtained
After electric adhesive, its normally opened normally opened up button SB1 of 3rd auxiliary contact KM1-3 closed pairs carries out self-locking in parallel, and its normally closed second
Auxiliary contact KM1-2 disconnects the lower line control circuit of cut-out, lower line control circuit is protected, even if now pressing normally opened descending
Button SB2, descending contactor KM2 coils can not energized action；Stop rolling screen door it is up when, press normally closed stop button
SB3 cuts off upload control circuit, upcoming contact device KM1 dead electricity, and main contacts KM1-1 disconnects, main circuit and the equal dead electricity of braking circuit,
Three phase electric machine M is out of service, and brake system is braked to three-phase door roller 5, and upcoming contact device KM1 normally closed second auxiliary is touched
Point KM1-2, normally opened 3rd auxiliary contact KM1-3 also reset, and corner connection contactor KM3 also resets.
Similarly, when closing rolling screen door, circuit breaker Q F is closed, presses normally opened descending button SB2, lower line control circuit connects
Logical, descending contactor KM2 obtains electric adhesive, and its main contacts KM2-1 closures, main circuit, braking circuit are turned on, and star connects contactor
KM4 also electric adhesive, its three main contacts KM4-1 closure, as shown in figure 5, three phase electric machine M three-phase windings connect contactor through star
KM4 three main contacts KM4-1 form Y-connection, and three phase electric machine M three-phase windings obtain electric reversion operation, driven under door curtain 4
Row is closed, and because three phase electric machine M three-phase windings use Y-connection, power is smaller, simply 1/3rd of triangle connection,
Just match with smaller load when closing rolling screen door, three phase electric machine M load factor can be improved, so as to improve three phase electric machine M
Efficiency, energy saving, reduce heating；After descending contactor KM2 obtains electric adhesive, its normally opened 3rd auxiliary contact KM2-3 closure
Self-locking in parallel is carried out to normally opened descending button SB2, its normally closed second auxiliary contact KM2-2 disconnects cut-out upload control circuit, right
Upload control circuit is protected；Stop rolling screen door it is descending when, press the lower line control circuit of normally closed stop button SB3 cut-out,
Make main circuit and the equal dead electricity of braking circuit, three phase electric machine M is out of service, and brake system is braked to three-phase door roller 5, descending
Contactor KM2 normally closed second auxiliary contact KM2-2, normally opened 3rd auxiliary contact KM2-3 also resets, and star meets contactor KM4
Also reset.
In the present embodiment, the side of gearbox 1 is provided with limiter 11, and the limiter 11 and gearbox 2 are connected；Institute
Limiter 11 is stated provided with normally closed upper limit travel switch SQ1 and normally closed lower bound range switch SQ2；The normally closed upper limit travel switch
SQ1 and normally closed lower bound range switch SQ2 are series in upload control circuit and lower line control circuit.Normally closed upper limit stroke is set
Switch SQ1 and normally closed lower bound range switch SQ2 are used to make to be automatically stopped in predetermined position during rolling screen door upstream or downstream, when normal
When closing limit travel switch SQ1 or normally closed lower bound range switch SQ2 actions, its normally-closed contact disconnects, and cuts off upload control circuit
Or lower line control circuit, upcoming contact device KM1 or descending contactors KM2 disconnect cut-out main circuit, three phase electric machine M stops operating.
In the present embodiment, the transmission mechanism 6 is chain drive structure.Chain-drive mechanism is conventional transmission mechanism, structure
Simply, stable drive, variable-ratio.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (3)
1. the large-scale rolling screen door of energy saving, including supporting plate, reel, door curtain guide rail, door curtain, three-phase door roller, transmission mechanism,
Electric cabinet and operation circuit；The supporting plate is divided into above door opening on the wall of both sides；The reel is located above door opening, its
Both ends and supporting plate rotation connection；The door curtain guide rail is divided into door opening both sides；The door curtain is wrapped on reel and can be along door
Curtain guide track slides up and down；The three-phase door roller is driven on the supporting plate of reel one end, and by transmission mechanism and reel
Connection；The three-phase door roller includes gearbox, three phase electric machine and back casing；The gearbox front end is provided with mounting seat, rear shell
It is provided with brake gear in vivo；The brake gear is provided with the brake magnet coil for being used for opening brake system；The operation circuit
Including main circuit, braking circuit and control circuit；The main circuit includes breaker, upcoming contact device, descending contactor and three
Phase motor；The breaker input connects the A phases, B phases and C phases of three phase mains respectively；The upcoming contact device is used to control
Three phase electric machine, which rotates forward, to open the door, and one end of its three main contacts connects three output ends of breaker respectively, and the other end connects respectively
Three head ends U1, V1, W1 of three phase electric machine three-phase windings；The descending contactor is used to control three phase electric machine reversion to close the door, its
One end of three main contacts connects three output ends of breaker respectively, and the other end connects the three of three phase electric machine three-phase windings respectively
Individual head end W1, V1, U1；The braking circuit includes brake magnet coil and single-phase rectification bridge；The two of the brake magnet coil
End connects two output ends of single-phase rectification bridge respectively, and two inputs of single-phase rectification bridge connect zero line and three phase electric machine respectively
One head end of three-phase windings；It is characterized in that：
The control circuit includes upload control circuit, lower line control circuit, delta-connected circuit and star-connected circuit；
The zero line of power supply that the upload control circuit includes being serially connected, normally opened up button, normally closed the of descending contactor
Two auxiliary contact, upcoming contact device coil, corner connection contactor coil, the C phases of normally closed stop button and breaker output end；It is described
The both ends of normally opened up button are parallel with normally opened 3rd auxiliary contact of upcoming contact device；
The lower line control circuit include be serially connected zero line, normally opened descending button, upcoming contact device it is normally closed second auxiliary
Contact, descending contactor coil, star connect the C phases of contactor coil, normally closed stop button and breaker output end；It is described it is normally opened under
The both ends of row button are parallel with normally opened 3rd auxiliary contact of descending contactor；
The delta-connected circuit includes three main contacts of corner connection contactor；First main contacts of the corner connection contactor
Input connects the U1 ends of three phase electric machine three-phase windings head end, the W2 ends of output end connection three phase electric machine three-phase windings end；Institute
State the V1 ends of the input connection three phase electric machine three-phase windings head end of the second main contacts of corner connection contactor, output end connection three-phase
The U2 ends of motor three-phase windings end；The input connection three phase electric machine three-phase windings of 3rd main contacts of the corner connection contactor
The W1 ends of head end, the V2 ends of output end connection three phase electric machine three-phase windings end；
The star-connected circuit includes three main contacts that star connects contactor；The star connects the defeated of three main contacts of contactor
Enter three ends U2, V2, W2 that end connects three phase electric machine three-phase windings respectively, output end is connected with each other；
The breaker, upcoming contact device, descending contactor, corner connection contactor, star connect contactor and single-phase rectification bridge is located at
In electric cabinet, normally opened up button, normally opened descending button and the normally closed stop button are outside electric cabinet shell.
2. the large-scale rolling screen door of energy saving according to claim 1, it is characterised in that：The gearbox side is provided with limit
Position device, the limiter be used for control door curtain rise be automatically stopped position and decline be automatically stopped position, the limiter and
Gearbox transmission connects；The limiter is provided with normally closed upper limit travel switch and normally closed lower bound range switchs；The normally closed upper limit
Travel switch and normally closed lower bound range switch are series in upload control circuit and lower line control circuit.
3. the large-scale rolling screen door of energy saving according to claim 1, it is characterised in that：The transmission mechanism is Chain conveyer
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471564.2U CN206753464U (en) | 2017-05-02 | 2017-05-02 | The large-scale rolling screen door of energy saving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471564.2U CN206753464U (en) | 2017-05-02 | 2017-05-02 | The large-scale rolling screen door of energy saving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206753464U true CN206753464U (en) | 2017-12-15 |
Family
ID=60614939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720471564.2U Expired - Fee Related CN206753464U (en) | 2017-05-02 | 2017-05-02 | The large-scale rolling screen door of energy saving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206753464U (en) |
-
2017
- 2017-05-02 CN CN201720471564.2U patent/CN206753464U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180502 |
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| CF01 | Termination of patent right due to non-payment of annual fee |