CN208922133U - A kind of high water tank multi-point water level automatic control electric cabinet - Google Patents
A kind of high water tank multi-point water level automatic control electric cabinet Download PDFInfo
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- CN208922133U CN208922133U CN201821728163.1U CN201821728163U CN208922133U CN 208922133 U CN208922133 U CN 208922133U CN 201821728163 U CN201821728163 U CN 201821728163U CN 208922133 U CN208922133 U CN 208922133U
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Abstract
The utility model relates to a kind of high water tank multi-point water levels to automatically control electric cabinet, including cabinet body and cabinet door, disconnecting switch, the main circuit breaker, main contactor, electrothermal relay for being mounted on fixed plate surface are equipped in cabinet body, and it is arranged successively under upper, fuse is installed on the right side of main circuit breaker, intermediate relay is installed in fuse lower part, and fluid level controller is installed in intermediate relay lower part；Three electronic type liquid-level switches in high water tank at different water levels are electrically connected with three signal input parts of fluid level controller respectively；Cabinet door surface top is mounted to four transversely arranged signal lamps, and cabinet door surface middle part is mounted to transversely arranged control power switch, manual/automatic selector switch, start button, stop button and reset button, cabinet door surface lower portions installation warning electric bell；The utility model makes the corresponding signal lamp work of each water level, and realize lowest water level automatic alarm, low water level automatic loading water and high water level auto water stopping by a fluid level controller.
Description
Technical field
The utility model relates to arrive water tank automatic loading water technical field more particularly to a kind of high water tank multi-point water level certainly
Dynamic control electric cabinet.
Background technique
At this stage, high water tank usually fills water by domestic water system for water-supply source, mentions for fire hydrant and spray system
For the fire demand water of ten minutes early periods of fire, since water tank is mounted on the highest zone of building, in the case where acting on from pressure, water tank is to be
System provides moisturizing, if needing the continuous closing by hand of operator i.e. not when the water in high water tank is lower than certain water level
Energy automatic loading water may be implemented automatic water-supply, be also unfavorable for although being provided with low liquid level controller in some high water tanks
Operator timely understands the water level rough idea in high water tank, when being slightly above low water level such as the water level in high water tank,
It can not achieve automatic loading water moisturizing, existing high water tank can not achieve multi-point water level monitoring, at this moment just need a kind of high-order water
Case multi-point water level automatically controls electric cabinet to solve the above problems.
Utility model content
The utility model provide it is a kind of with overload protection change-over switch New agitator control electric cabinet, solution it is above-mentioned
Problem.
To solve the above problems, the technical scheme that the utility model is provided is as follows:
A kind of high water tank multi-point water level automatic control electric cabinet, including cabinet body and cabinet door, the cabinet body are hinged with cabinet door,
Be equipped with fixed plate in the cabinet body, fixed plate is equipped with disconnecting switch, main circuit breaker, main contactor, electrothermal relay, and from it is upper it
Under be arranged successively, fuse is installed on the right side of the main circuit breaker, and intermediate relay, intermediate relay are installed in the lower part of fuse
Lower part install fluid level controller；Three electronic type liquid-level switches in high water tank at different water levels respectively with liquid level control
Three signal input parts of device processed are electrically connected；Three electronic type liquid-level switches be followed successively by high level switch, middle liquid-level switch and
Low liquid level switch；Cabinet door surface top is mounted to four transversely arranged signal lamps, respectively minimum liquid level signal
Lamp, low liquid level signal lamp, middle liquid level signal lamp and high liquid level signal lamp, cabinet door surface middle part are mounted to transversely arranged control electricity
Source switch, manual/automatic selector switch, start button, stop button and reset button, cabinet door surface lower portions installation warning electricity
Bell.
Preferably, the input terminal of the disconnecting switch is electrically connected with alternating current L1, L2, L3, and the output end of disconnecting switch, master are disconnected
Road device, main contactor, electrothermal relay, water pump, which are sequentially connected electrically, constitutes water pump major loop, the shell protective grounding of the water pump.
Preferably, the fluid level controller DJF-LED-YKQ-D type fluid level controller.
Preferably, any one in the input terminal of the fuse and the output end of main circuit breaker to be electrically connected, fuse
Output end be electrically connected with the input terminal of the control power switch, the output end and high level switch for controlling power switch
Contact 1 is electrically connected, and the contact 2 of high level switch is electrically connected by high liquid level signal lamp with alternating current zero curve, the touching of middle liquid-level switch
First normally opened contact one end of point 1 and main contactor is electrically connected with the contact of high level switch 3, the contact of middle liquid level control switch
Liquid level signal lamp is electrically connected with alternating current zero curve in 2 processes, and the contact 3 of middle liquid-level switch is by low liquid level signal lamp and alternating current zero curve
Electrical connection, one end of low liquid level signal lamp and the automatic position contact 1 of manual/automatic selector switch are normal with the first of main contactor
The electrical connection of the contact other end is opened, the other end of low liquid level signal lamp is electrically connected with alternating current zero curve；One end of stop button with it is described
Control the output end electrical connection of power switch, the other end of stop button is by start button and manual/automatic selector switch
Manual position contact 2 is electrically connected, and the normally closed touching of the coil, electrothermal relay of main contactor is passed through in the contact 3 of manual/automatic selector switch
Point is connect with alternating current zero curve, and the second normally opened contact of main contact is connected in parallel on the both ends of start button；One end of low liquid level switch
It is electrically connected with the output end of control power switch, one end of current-limiting resistance, normally-closed contact one end of intermediate relay and reset are pressed
One end of button is electrically connected with the other end of low liquid level switch, and the other end of current-limiting resistance passes through minimum liquid level signal lamp and alternating current
The other end of zero curve electrical connection, intermediate relay normally-closed contact is electrically connected by warning electric bell with alternating current zero curve, reset button
The other end is electrically connected by the coil of intermediate relay with alternating current zero curve, and a pair of of normally opened contact of intermediate relay is connected in parallel on again
The both ends of position button.
Preferably, one layer of water proof ring is arranged in the cabinet body and cabinet door contact position.
Preferably, the both side plate lower part of the cabinet body is left and right symmetrically arranged a pair of of heat release hole group, under the top plate of the cabinet body
Wall installs axial flow blower and combines to form heat dissipation wind channel with a pair of of heat release hole group.
Beneficial effect compared with the existing technology is that using the above scheme, the utility model passes through different in high water tank
Three electronic type liquid-level switches at water level acquire the water level in high water tank in real time, and acquisition data are transmitted to a liquid level control
Device processed, and then make the corresponding signal lamp work of each water level, in order to which water level that operator is understood in time in high water tank is general
Situation, and realize lowest water level automatic alarm, low water level automatic loading water and high water level auto water stopping；It is contacted by cabinet body with cabinet door
One layer of water proof ring is arranged in position, intakes so as to effectively control in electric cabinet；It is combined by axial flow blower with a pair of of heat release hole group
Heat dissipation wind channel is formed, and then realizes the rapid cooling cooling of control electric cabinet.
Detailed description of the invention
Illustrate embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment or the prior art
The required attached drawing used is briefly described in description, it is clear that, the accompanying drawings in the following description is only the one of utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the major loop electrical schematic diagram of the utility model water pump；
Fig. 3 is the automatic loading water control principle drawing of the utility model water pump；
Shown in the above legend: 20, cabinet body 21, cabinet door 22, disconnecting switch 23, main circuit breaker 24, main contactor
25, electrothermal relay 26, fuse 27, intermediate relay 28, fluid level controller 29, signal lamp 30, police
Show electric bell.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different
Form is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this
The understanding of the disclosure of utility model is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term used in this specification " fixation ", " integrated molding ",
For illustrative purposes only, the similar unit of structure is to identical label in the figure for "left", "right" and similar statement
Mark.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.
As shown in Figure 1, one embodiment of the utility model is:
A kind of high water tank multi-point water level automatic control electric cabinet, including cabinet body 20 and cabinet door 21, the cabinet body 20 and cabinet door
21 are hinged, and are equipped with fixed plate in the cabinet body 20, fixed plate be equipped with disconnecting switch 22, main circuit breaker 23, main contactor 24,
Electrothermal relay 25, and be arranged successively under upper, fuse 26, the lower part of fuse 26 are installed in the right side of the main circuit breaker 23
Intermediate relay 27 is installed, fluid level controller 28 is installed in the lower part of intermediate relay 27；In high water tank at different water levels
Three electronic type liquid-level switches be electrically connected respectively with 28 3 signal input parts of fluid level controller；Three electronic type liquid levels are opened
Pass is followed successively by high level switch, middle liquid-level switch and low liquid level switch；The 21 surface top of cabinet door is mounted to transversely arranged
Four signal lamps 29, respectively minimum liquid level signal lamp, low liquid level signal lamp, middle liquid level signal lamp and high liquid level signal
Lamp, 21 surface middle part of cabinet door are mounted to transversely arranged control power switch, manual/automatic selector switch, start button, stopping
Button and reset button, 21 surface lower portions of cabinet door installation warning electric bell 30.
Preferably, as shown in Fig. 2, the input terminal of the disconnecting switch QS is electrically connected with alternating current L1, L2, L3, disconnecting switch
Output end, main circuit breaker QF, main contactor KM, electrothermal relay FR, the water pump M of QS, which is sequentially connected electrically, constitutes water pump major loop, institute
State the shell protective grounding of water pump；It is pump motor M, abbreviation water pump in this water pump；QS indicates disconnecting switch, QF table in Fig. 2
Show that main circuit breaker, KM indicate main contactor, FR is electrothermal relay, and M is pump motor.
Preferably, the fluid level controller DJF-LED-YKQ-D type fluid level controller or AYK20-1 type water level are controlled automatically
Device processed.
Further, electronic type liquid-level switch of the installation 3 at arrangement of gradients in high water tank, sequentially consists of low liquid
Bit switch, middle liquid-level switch and high level switch.
Preferably, as shown in figure 3, the input terminal of the fuse FU and any one phase 01 in the output end of main circuit breaker 23
Electrical connection, the output end of fuse FU are electrically connected with the input terminal of the control power switch SA1, the control power switch
The output end of SA1 is electrically connected with the contact 1 of high level switch, and high liquid level signal lamp and alternating current are passed through in the contact 2 of high level switch
First normally opened contact one end of zero curve electrical connection, the contact 1 of middle liquid-level switch and main contactor 24 with the touching of high level switch
Point 3 is electrically connected, and liquid level signal lamp is electrically connected with alternating current zero curve in the process of contact 2 of middle liquid-level switch, the contact 3 of middle liquid-level switch
Be electrically connected by low liquid level signal lamp with alternating current zero curve, one end of low liquid level signal lamp and manual/automatic selector switch it is automatic
Position contact 1 is electrically connected with the first normally opened contact other end of main contactor 24, the other end and city's electrical zero of low liquid level signal lamp
Line electrical connection；One end of stop button is electrically connected with the output end of the control power switch, and the other end of stop button passes through
Start button is electrically connected with the manual position contact 2 of manual/automatic selector switch, and the contact 3 of manual/automatic selector switch is by master
The coil of contactor 24, the normally-closed contact of electrothermal relay 25 are connect with alternating current zero curve, and the second normally opened contact of main contact is in parallel
At the both ends of start button；One end of low liquid level switch is electrically connected with the output end of control power switch, one end of current-limiting resistance,
Normally-closed contact one end of intermediate relay 27 and one end of reset button are electrically connected with the other end of low liquid level switch, current limliting electricity
The other end of resistance is electrically connected by minimum liquid level signal lamp with alternating current zero curve, and the other end of 27 normally-closed contact of intermediate relay passes through
Warning electric bell 30 is electrically connected with alternating current zero curve, and the other end of reset button is electric by the coil and alternating current zero curve of intermediate relay 27
Connection, and a pair of of normally opened contact of intermediate relay 27 is connected in parallel on the both ends of reset button.
Further, fluid level controller 28 is AYK20-1 type automatic controller for water level or DJF-LED-YKQ-D type liquid level control
Device processed；In Fig. 3, S3 is low liquid level switch, and S2 is middle liquid-level switch, and S1 is high level switch, and SA is that manual/auto switching is opened
It closes, SB1 is stop button, and SB2 is start button, and R is current-limiting resistance, and RST is reset button, and HA is warning electric bell, during KA is
Between relay；When the water level in high water tank is in lowest water level or less, fluid level controller S3 closure, minimum liquid level signal lamp
HL4 is bright；When the water level in high water tank is in low liquid level, the contact 1 of middle liquid-level switch S2 and contact 3 are closed, minimum liquid level
Signal lamp HL4 goes out, and low liquid level signal lamp HL3 is bright, indicates that the water level in high water tank is in low liquid level state；When in high water tank
Water level when being in middle liquid level, the contact 1 and contact 3 of middle liquid-level switch S2 first disconnects, the contact 1 and contact of middle liquid-level switch S2
It is closed after 2, low liquid level signal lamp HL3 goes out, and middle liquid level signal lamp HL2 is bright, indicates that the water level in high water tank is in middle liquid level shape
State；When the water level in high water tank is higher than middle liquid level, the contact 1 of middle liquid-level switch S2 and contact 2 are disconnected, middle liquid level signal lamp
HL2 goes out, and when being constantly increased to high liquid level with the water level in high water tank, the contact 1 and 3 of high level switch S1 is first disconnected, high
It is closed behind the contact 1 and 2 of liquid-level switch S1, high liquid level signal lamp HL1 is bright, and high water tank is in high liquid level state, then water pump stops
Only supply water.
Preferably, one layer of water proof ring is arranged with 21 contact position of cabinet door in the cabinet body 20.
Preferably, the both side plate lower part of the cabinet body 20 is left and right symmetrically arranged a pair of of heat release hole group, the top of the cabinet body 20
Plate lower wall installs axial flow blower and combines to form heat dissipation wind channel with a pair of of heat release hole group.
Working principle:
During manual operation: there is no limit conditions for manual operation, and operator can be according to the liquid level situation in high water tank
It is operated；Then closing operation successively is carried out to disconnecting switch and main circuit breaker, is closing the fuse FU in control power supply,
Control power switch is being closed, manual/automatic selector switch is switched into manual position, is connecting its contact 2 with contact 3；When
When liquid level is in minimum liquid level, low liquid level, which switchs, gives fluid level controller liquid level signal, then the contact closure of low liquid level switch S3,
Minimum liquid level signal lamp HL4 is bright, this alarm electric bell work, Manual press reset button obtains the coil of intermediate relay KA
Electricity is disconnected containing the intermediate relay KA normally-closed contact in the alarm signal circuit for warning electric bell, and warning electric bell power-off, electric bell stops
Only work；Automatic control process: automatic starting water pump has certain restrictive condition, when high water tank is in lowest water level,
Starting water pump, i.e. started by press button SB2 must be manually operated, filled the water to high water tank；When the liquid level in high water tank increases
When more than low liquid level, manual/automatic selector switch SA is switched into automated location, the contact 1 of SA is connected with contact 3 at this time, so
Low liquid level switch S3 is disconnected afterwards, and middle liquid-level switch gives fluid level controller signal, and the contact 1 and contact 3 of middle liquid-level switch S2 are closed
It closes, minimum liquid level signal lamp HL4 goes out, and low liquid level signal lamp HL3 is bright, indicates that the water level in high water tank is in low liquid level state；
With water is constantly injected into high water tank, when the water level in high water tank is in middle liquid level, middle liquid-level switch is to liquid level
Controller signals, the contact 1 and contact 3 of middle liquid-level switch S2 first disconnect, and are closed behind the contact 1 and contact 2 of middle liquid-level switch S2,
Low liquid level signal lamp HL3 goes out, and middle liquid level signal lamp HL2 is bright, indicates that the water level in high water tank is in middle fluid level condition；Work as a high position
When water level in water tank is higher than middle liquid level, the contact 1 of middle liquid-level switch S2 and contact 2 are disconnected, and middle liquid level signal lamp HL2 goes out, with
Water level in high water tank when being constantly increased to high liquid level, high level switch gives fluid level controller signal, high level switch S1
Contact 1 and 3 first disconnect, be closed behind the contact 1 and 2 of high level switch S1, high liquid level signal lamp HL1 is bright, and high water tank is in
High liquid level state automatically cuts off control power supply, and main contactor KM power-off release, then water pump stops supplying water, high liquid level signal lamp HL1
It is bright, show that the water level in high water tank is in defined liquid level；When liquid level is reduced to low liquid level state, middle liquid-level switch
The contact 1 and contact 3 of S2 is closed automatically, and low liquid level signal lamp is bright, then water in water pump automatic operating, according to this continuous circulation industrial of process
Make；Failure termination of pumping process: overload is shut down, and when water pump running overload, electrothermal relay FR movement, contact FR is disconnected, and master connects
Three main contacts of the release of tentaculum KM coil blackout, main contactor KM disconnect, Pump Failure stalling；Short trouble is shut down, water pump
When short circuit accident occurs, main circuit breaker QF automatic trip, water pump stops working.
Beneficial effect compared with the existing technology is that using the above scheme, the utility model passes through different in high water tank
Three electronic type liquid-level switches at water level acquire the water level in high water tank in real time, and acquisition data are transmitted to a liquid level control
Device processed, and then make the corresponding signal lamp work of each water level, in order to which water level that operator is understood in time in high water tank is general
Situation, and realize lowest water level automatic alarm, low water level automatic loading water and high water level auto water stopping；It is contacted by cabinet body with cabinet door
One layer of water proof ring is arranged in position, intakes so as to effectively control in electric cabinet；It is combined by axial flow blower with a pair of of heat release hole group
Heat dissipation wind channel is formed, and then realizes the rapid cooling cooling of control electric cabinet.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the range of the utility model specification record；Also, it for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations all should belong to the protection model of the appended claims for the utility model
It encloses.
Claims (6)
1. a kind of high water tank multi-point water level automatically controls electric cabinet, including cabinet body and cabinet door, the cabinet body are hinged with cabinet door,
It is characterized in that: being equipped with fixed plate in the cabinet body, fixed plate is equipped with disconnecting switch, main circuit breaker, main contactor, hot relay
Device, and be arranged successively under upper, fuse is installed on the right side of the main circuit breaker, and intermediate relay is installed in the lower part of fuse
The lower part of device, intermediate relay is installed by fluid level controller；Three electronic type liquid levels in high water tank at different water levels are opened
It closes and is electrically connected respectively with three signal input parts of fluid level controller；Three electronic type liquid-level switches are followed successively by high liquid level and open
It closes, middle liquid-level switch and low liquid level switch；Cabinet door surface top is mounted to four transversely arranged signal lamps, respectively
Cross is mounted to for minimum liquid level signal lamp, low liquid level signal lamp, middle liquid level signal lamp and high liquid level signal lamp, cabinet door surface middle part
To control power switch, manual/automatic selector switch, start button, stop button and the reset button of arrangement, under cabinet door surface
Portion's installation warning electric bell.
2. a kind of high water tank multi-point water level according to claim 1 automatically controls electric cabinet, it is characterised in that: the isolation
The input terminal of switch is electrically connected with alternating current L1, L2, L3, the output end of disconnecting switch, main circuit breaker, main contactor, electrothermal relay,
Water pump, which is sequentially connected electrically, constitutes water pump major loop, the shell protective grounding of the water pump.
3. a kind of high water tank multi-point water level according to claim 2 automatically controls electric cabinet, it is characterised in that: the liquid level
Controller DJF-LED-YKQ-D type fluid level controller.
4. a kind of high water tank multi-point water level according to claim 3 automatically controls electric cabinet, it is characterised in that: the fusing
It is any one in the input terminal of device and the output end of main circuit breaker to be electrically connected, the output end of fuse and the control power switch
Input terminal electrical connection, it is described control power switch output end be electrically connected with the contact 1 of high level switch, high level switch
Contact 2 is electrically connected by high liquid level signal lamp with alternating current zero curve, the contact 1 of middle liquid-level switch and the first normally opened touching of main contactor
Point one end is electrically connected with the contact of high level switch 3, the city liquid level signal Deng Yu electrical zero in the process of contact 2 of middle liquid level control switch
The contact 3 of line electrical connection, middle liquid-level switch is electrically connected by low liquid level signal lamp with alternating current zero curve, one end of low liquid level signal lamp
It is electrically connected with the first normally opened contact other end of main contactor with the automatic position contact 1 of manual/automatic selector switch, low liquid level
The other end of signal lamp is electrically connected with alternating current zero curve；One end of stop button and the output end of the control power switch are electrically connected
It connecing, the other end of stop button is electrically connected by start button with the manual position contact 2 of manual/automatic selector switch, manually/from
The contact 3 of dynamic switching switch is connect by the coil of main contactor, the normally-closed contact of electrothermal relay with alternating current zero curve, and main contact
The second normally opened contact be connected in parallel on the both ends of start button；One end of low liquid level switch and the output end of control power switch are electrically connected
It connects, one end of one end of current-limiting resistance, normally-closed contact one end of intermediate relay and reset button is another with low liquid level switch
The other end of one end electrical connection, current-limiting resistance is electrically connected by minimum liquid level signal lamp with alternating current zero curve, and intermediate relay is normally closed
The other end of contact is electrically connected by warning electric bell with alternating current zero curve, and the other end of reset button passes through the coil of intermediate relay
It is electrically connected with alternating current zero curve, and a pair of of normally opened contact of intermediate relay is connected in parallel on the both ends of reset button.
5. a kind of high water tank multi-point water level according to claim 1 automatically controls electric cabinet, it is characterised in that: the cabinet body
One layer of water proof ring is set with cabinet door contact position.
6. a kind of high water tank multi-point water level according to claim 5 automatically controls electric cabinet, it is characterised in that: the cabinet body
Both side plate lower part be left and right symmetrically arranged a pair of of heat release hole group, the top plate lower wall installation axial flow blower of the cabinet body and a pair of radiate
Hole group combines to form heat dissipation wind channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728163.1U CN208922133U (en) | 2018-10-24 | 2018-10-24 | A kind of high water tank multi-point water level automatic control electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728163.1U CN208922133U (en) | 2018-10-24 | 2018-10-24 | A kind of high water tank multi-point water level automatic control electric cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208922133U true CN208922133U (en) | 2019-05-31 |
Family
ID=66710398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821728163.1U Expired - Fee Related CN208922133U (en) | 2018-10-24 | 2018-10-24 | A kind of high water tank multi-point water level automatic control electric cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208922133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459195A (en) * | 2020-04-08 | 2020-07-28 | 北京京城环保股份有限公司 | Liquid level measurement control device and method for waste incineration slag discharging machine |
-
2018
- 2018-10-24 CN CN201821728163.1U patent/CN208922133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459195A (en) * | 2020-04-08 | 2020-07-28 | 北京京城环保股份有限公司 | Liquid level measurement control device and method for waste incineration slag discharging machine |
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| 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: 20190531 Termination date: 20191024 |