CN206888063U - One kind energy-conservation secondary water-supply device - Google Patents
One kind energy-conservation secondary water-supply device Download PDFInfo
- Publication number
- CN206888063U CN206888063U CN201720809092.7U CN201720809092U CN206888063U CN 206888063 U CN206888063 U CN 206888063U CN 201720809092 U CN201720809092 U CN 201720809092U CN 206888063 U CN206888063 U CN 206888063U
- Authority
- CN
- China
- Prior art keywords
- power
- relay
- power supply
- input
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
One kind energy-conservation secondary water-supply device, including without negative pressure secondary water system body and its matching used air pressure tank, a low-power booster pump is mounted between water inlet pipe and outlet conduit without more booster pumps of negative pressure secondary water system body, low-power booster pump and it is in parallel connection without original more high-power booster pumps on negative pressure secondary water system body, by mu balanced circuit, the time relay, control circuit is formed, mu balanced circuit, the time relay, control circuit is arranged in the electric control box without negative pressure secondary water system body, mu balanced circuit, the time relay, control circuit and Duo Tai booster pumps, connected between low-power booster pump by wire.This novel energy-conserving, so this new application prospect having had.
Description
Technical field
The utility model supply equipment field, particularly a kind of energy-conservation secondary water-supply device.
Background technology
Skyscraper typically uses two or more booster pumps in parallel without negative pressure secondary water system, in its supporting control
Under electrical equipment effect, after two are pressurizeed under-voltage running water when being pressurized pump work, then export to high-rise buildings pipeline, make
The just conventional water in family.Existing skyscraper is without negative pressure secondary water system, its use two or more booster motor its work(
Rate is consistent, in parallel operation state, that is to say, that no matter during high-rise buildings water use peak on daytime, or at night,
The particularly late into the night, during work, two or more booster motors were all while in running order with the water low ebb time, due to,
Booster motor power is big, so, is in resident family and uses the water low ebb time, can cause energy waste（Because with during water low ebb,
Actually a low-power booster pump is with regard to that can meet tap water boosting needs）.
Utility model content
In order to overcome existing skyscraper without negative pressure secondary water system, its supporting two or more booster pump, no
During pipe high-rise buildings water use peak or with during water low ebb, all in working condition simultaneously, in high-rise buildings with the water low ebb phase
Between the drawbacks of causing waste of energy, this is new provides it is a kind of in existing skyscraper without negative pressure secondary water system basis
On, add a low-power booster pump, during work, under time relay effect, during daytime water use peak, two or more
The high-power supercharging pump work of platform is by under-voltage tap water boosting so that the just conventional water of high-rise buildings；At night, the time relay is closed
The working power of two or more high-power booster pumps, the power supply of turn on automatically low-power booster pump, low-power supercharging pump work
Afterwards, so that it may use water during meeting high-rise buildings water low ebb；Thus a kind of energy-conservation secondary water-supply device of energy-conservation purpose is reached.
Technical scheme is used by the utility model solves its technical problem：
One kind energy-conservation secondary water-supply device, including without negative pressure secondary water system body and its matching used air pressure tank,
It is characterized in that it is mounted with one between water inlet pipe and outlet conduit without more booster pumps of negative pressure secondary water system body
Platform low-power booster pump, low-power booster pump and without on negative pressure secondary water system body at original more high-power booster pumps
In parallel connection, it is made up of mu balanced circuit, the time relay, control circuit, mu balanced circuit, the time relay, control circuit peace
In the electric control box without negative pressure secondary water system body, mu balanced circuit power input both ends respectively with 220V alternating currents
Source the two poles of the earth are connected by wire, mu balanced circuit cathode power supply output end and time relay cathode power supply input, control circuit
First control power input is connected by wire, time relay cathode power supply output end and the input of control circuit cathode power supply
End is connected by wire, and the cathode power supply input of the time relay and the control power end of the time relay are connected by wire
Connect, the negative power supply input of mu balanced circuit negative power supply output end and the time relay, the negative power supply input of control circuit
End passes through wired earth, and 380V AC powers control power input to be connected by wire with control circuit second, control circuit
First via control power output end is connected with the power input of low-power booster pump by wire, the control of the tunnel of control circuit second
Power output end is connected with the electric control box power input without negative pressure secondary water system body by wire, no negative pressure two
The electric control box power output end of secondary water system body and the more supercharging pumping sources without negative pressure secondary water system body
Input is connected by wire.
The mu balanced circuit fixes output voltage stabilizer and power transformer, silicon rectifier diode, electrochemical capacitor, porcelain by three ends
Chip capacitor forms, and is connected therebetween by wire, and it is 7824 that output voltage stabilizer model is fixed at three ends, power transformer armature winding two
End and 220V AC powers the two poles of the earth connect respectively, power transformer secondary windings one end and first silicon rectifier diode negative pole,
Second silicon rectifier diode positive pole connection, the power transformer secondary windings other end and the 3rd silicon rectifier diode negative pole,
4th silicon rectifier diode positive pole connection, second silicon rectifier diode negative pole and the 4th silicon rectifier diode negative pole, electricity
Solution capacitance cathode, the pin of cathode power supply input 1 connection of first ceramic disc capacitor one end, three ends fixation output voltage stabilizer, first
Silicon rectifier diode positive pole and the 3rd silicon rectifier diode positive pole, electrochemical capacitor negative pole, first ceramic disc capacitor other end,
The pin of negative power supply input 2 of output voltage stabilizer, second ceramic disc capacitor one end ground connection are fixed in three ends, and output voltage stabilizing is fixed at three ends
The pin of cathode power supply output end 3 of device and second ceramic disc capacitor other end connection.
The time relay is brand other, model DH48S-1Z 24V time relay finished products, when passing through operation
Between relay finished product housing forward end Cao Zuoanjian, its power output end can be set in the period out-put supply of needs.
The control circuit is by four relay groups into being connected therebetween by wire, first, second relay have
Two power inputs, control power input tip side, a normally opened contact end, a normally-closed contact end, the 3rd, the
Four relays have two power inputs, three control power input tip sides, three normally opened contact ends, three normally closed touch
Point end, first relay and second relay cathode power supply input connection, first relay and second relay
The connection of control power input tip side, the cathode power supply input of first relay normally closed contact end and the 3rd relay
Connection, second relay normally open contact end connect with the cathode power supply input of the 4th relay, first, second,
3rd, the 4th relay negative power supply input end grounding.
The utility model beneficial effect is：The power output end power supply output of the time relay is regulated before this new use
Period, make the time relay daily at dead of night 12 points to out-put supply before 6 points of the next morning（Actual conditions are according to high level
Usually watering law is adjusted building）.On daytime, out-put supply, no negative pressure secondary do not supply water time relay power output end
The booster pump of system ontology without the electric control box of negative pressure secondary water system body act under, daytime more booster pumps together
Work the water demand for being provided for high-rise buildings and with running water after the supercharging of suitable hydraulic pressure, meeting high-rise buildings.Ten two points at night
Afterwards, under time relay effect, time relay power output end no longer out-put supply, then, more supply without negative pressure secondary
The booster pump of water system body is stopped, and the use during high-rise buildings water low ebb can be met after low-power supercharging pump work
Water.This novel energy-conserving, so this new application prospect having had.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model circuit diagram.
Embodiment
Shown in Fig. 1, one kind energy-conservation secondary water-supply device, including without negative pressure secondary water system body 1 and its supporting make
Air pressure tank 6, pacify between water inlet pipe 3 and outlet conduit 4 without negative pressure secondary more than 1 booster pump 2 of water system body
A low-power booster pump 5 is filled, low-power booster pump 5 and without original more big work(on negative pressure secondary water system body 1
Rate booster pump 2 is in parallel connection, is made up of mu balanced circuit 7, the time relay 8, control circuit 9, mu balanced circuit 7, the time after
Electrical equipment 8, control circuit 9 are arranged in the electric control box 1-1 without negative pressure secondary water system body 1, and the power supply of mu balanced circuit 7 is defeated
Enter both ends to connect by wire with 220V AC powers the two poles of the earth respectively, the cathode power supply output end of mu balanced circuit 7 and the time relay 8
Cathode power supply input, control circuit 9 first control power input to be connected by wire, and the cathode power supply of the time relay 8 is defeated
Go out end to connect by wire with the cathode power supply input of control circuit 9, the cathode power supply input of the time relay 8 and time after
The control power end of electrical equipment 8 is connected by wire, the negative power supply of the negative power supply output end of mu balanced circuit 7 and the time relay 8
Input, the negative power supply input of control circuit 9 pass through wired earth, 380V AC powers and the control electricity of control circuit 9 second
Source input is connected by wire, the power input of the first via of control circuit 9 control power output end and low-power booster pump 5
Connected by wire, the tunnel of control circuit 9 second control power output end and the electrical control without negative pressure secondary water system body
Case 1-1 power inputs are connected by wire, the electric control box 1-1 power output ends of no negative pressure secondary water system body and
The more power inputs of booster pump 2 without negative pressure secondary water system body are connected by wire.
Shown in Fig. 1, the power output end power supply output time section of the time relay 8 is regulated before this new use, is made
The time relay 8 daily at dead of night 12 points to out-put supply before 6 points of the next morning（Actual conditions according to skyscraper usually
Watering law is adjusted）.Daytime, the power output end of the time relay 8 not out-put supply, in the presence of control circuit 9, nothing
The booster pump 2 of negative pressure secondary water system body is more in the case where being acted on without the electric control box 1-1 of negative pressure secondary water system body
Platform booster pump 2 works together to be provided with running water after the supercharging of suitable hydraulic pressure for high-rise buildings, meet high-rise buildings with water need
Ask.At night after ten two points, in the presence of the time relay 8, the power output end out-put supply of the time relay 8, in control electricity
Under road 9 acts on, the more booster pumps 2 without negative pressure secondary water system body are stopped, and then, low-power booster pump 5 obtains electric
Work, because late into the night high-rise buildings water consumption is few, during low-power booster pump 5 can meet high-rise buildings water low ebb after working
Water consumption.This New Energy reach energy-conservation and purpose, so this new application prospect having had.
Shown in Fig. 2, mu balanced circuit fixes output voltage stabilizer IC1 and power transformer T, silicon rectifier diode by three ends
VD1, VD2, VD3, VD4, electrochemical capacitor C1, ceramic disc capacitor C2, C3 composition, connected therebetween by wire, it is steady that output is fixed at three ends
Depressor IC1 models are 7824, and power transformer T armature windings both ends and 220V AC powers the two poles of the earth connect respectively, power supply transformation
Device T secondary windings one end connects with first silicon rectifier diode VD1 negative pole, second silicon rectifier diode VD2 positive pole, power supply
The transformer T secondary windings other end and the 3rd silicon rectifier diode VD3 negative pole, the 4th silicon rectifier diode VD4 positive pole connect
Connect, second silicon rectifier diode VD2 negative pole and the 4th silicon rectifier diode VD4 negative pole, electrochemical capacitor C1 positive poles, first
The output voltage stabilizer IC1 pin of cathode power supply input 1 connection, first pole of silicon rectifier two are fixed in ceramic disc capacitor C2 one end, three ends
Pipe VD1 positive poles and the 3rd silicon rectifier diode VD3 positive pole, electrochemical capacitor C1 negative poles, first the ceramic disc capacitor C2 other ends, three
The fixed output voltage stabilizer T in the end pin of negative power supply input 2, second ceramic disc capacitor C3 one end ground connection, it is steady that output is fixed at three ends
The depressor T pin of cathode power supply output end 3 and second ceramic disc capacitor C3 other ends connection.Time relay IC2 is brand
Other, model DH48S-1Z 24V time relay finished products, by the operating time, the operation of relay finished product housing forward end is pressed
Key, its power output end can be set in the period out-put supply of needs.Control circuit is by four relays J1, J2, J3, J4
Composition, is connected by wire therebetween, and first relay J1, second relay J2 have two power inputs, a control
Power input tip side processed, a normally opened contact end, a normally-closed contact end, the 3rd relay J3, the 4th relay J4
With two power inputs, three control power input tip sides, three normally opened contact ends, three normally-closed contact ends, first
Relay J1 and second relay J2 cathode power supplies input connection, first relay J1 and second relay J2's
Control the connection of power input tip side, first relay J1 normally-closed contacts end and the 3rd relay J3 cathode power supply input
End connection, second relay J3 normally opened contacts end connect with the 4th relay J4 cathode power supply input, first after
Electrical equipment J1, second relay J2, the 3rd relay J3, the 4th relay J4 negative power supply input end grounding.
Shown in Fig. 2, mu balanced circuit power input both ends power transformer T armature winding both ends exchange with 220V respectively
Two poles are connected by wire.The end of mu balanced circuit cathode power supply output end three fix output voltage stabilizer IC1 3 pin and the time after
The pin of electrical equipment IC2 cathode power supplies input 2, control circuit first control power input relay J1 and J2 control power input to touch
Point end is connected by wire, the time relay IC2 pin of cathode power supply input 2 and the time relay IC2 control pin of power end 8
Connected by wire, mu balanced circuit negative power supply output end electrochemical capacitor C1 negative poles and the time relay IC2 negative power supply are defeated
Enter 7 pin of end, control circuit negative power supply input relay J1 negative power supplies input passes through wired earth, the time relay
The pin of IC2 cathode power supplies output end 6 is connected with control circuit relay J1 and J2 cathode power supply input by wire, and 380V is handed over
Stream power supply and control circuit second control tri- control power input tip sides of power input relay J3 and J4 to pass through wire
Connection, control circuit first via control tri- normally opened contact ends of power output end relay J4 and low-power booster pump M2 power supply
Input is connected by wire, and the tunnel of control circuit second controls tri- normally opened contact ends of power output end relay J3 and without negative pressure
The electric control box power input of secondary water supply system body is connected by wire, the electricity of no negative pressure secondary water system body
Gas control cabinet power output end and more booster pump M1 power inputs without negative pressure secondary water system body are connected by wire
Connect.
Shown in Fig. 2, in mu balanced circuit：After 220V AC powers enter power transformer T armature winding, power supply transformation
220V AC powers are reduced to 24V AC powers by device T, and 24V AC powers are whole through silicon rectifier diode VD1, VD2, VD3, VD4
Stream, electrochemical capacitor C1 filtering enter 1 pin that output voltage stabilizer IC1 is fixed at three ends, and output voltage stabilizer IC1 is fixed inside it in three ends
Under circuit and peripheral cell ceramic disc capacitor C2, C3 collective effect, three ends fix output voltage stabilizer IC1 and export stabilization from its 3rd pin
The pin of 24V dc source entry time relay IC2 cathode power supplies input 2, control circuit relay J1 and J2 control electricity
Source inputs contact, and this moment, user can set it by the Cao Zuoanjian of operating time relay finished product IC2 housing forward ends
Period out-put supply of the pin of power output end 6 in needs.In the time relay and control circuit：Daytime, time relay IC2
Power output end not out-put supply, relay J1 dead electricity is stopped, and it controls power input contact to be connected with normally-closed contact end,
Due to, relay J3 cathode power supplies input is connected with relay J1 normally-closed contacts end by wire, so this moment, relay J3
It is logical with three normally opened contacts terminations respectively that the control power input of electric adhesive its three contacts can be obtained, due to, 380V AC powers and
The control power input tip sides of relay J3 tri- are connected by wire, tri- normally opened contact ends of relay J3 and without negative pressure secondary
The electric control box power input of water system body is connected by wire, the electric-controlled of no negative pressure secondary water system body
Three power output ends of case processed and tri- power inputs of more booster pump M1 without negative pressure secondary water system body are by leading
Line connects, so, when daytime, relay J1 stopped adhesive without electricity, more booster pump M1 obtain electric work together and carried for high-rise buildings
For suitable hydraulic pressure, meet the water demand of high-rise buildings.In the time relay and control circuit：At night after ten two points, in the time
Under relay IC2 effects, the time relay IC2 pin out-put supply of power output end 6, then, relay J1, J2 obtain electrician
Make, it controls power input contact and normally-closed contact end to disconnect after relay J1 obtains electric work, and then, more supply without negative pressure secondary
The booster pump M1 of water system body is stopped；It controls power input contact and normally opened contact end after relay J2 obtains electric work
Closure, due to, relay J4 cathode power supplies input is connected with relay J2 normally opened contacts end by wire, so this moment, after
Electrical equipment J4 can obtain its three control power input contacts of electric adhesive and lead to respectively with three normally opened contact terminations, due to 380V exchanges
Tri- control power input contacts of power supply and relay J4 are connected by wire, tri- normally opened contact ends of relay J4 and low-power
Tri- power inputs of booster pump M2 are connected by wire, so, relay J2 obtains electric work, low-power booster pump M2 at dead of night
Electric work can be obtained, because late into the night high-rise buildings quantity is few, high-rise buildings water can be met after low-power booster pump M2 work
Water consumption during low ebb.
Fig. 2, in mu balanced circuit：T-shaped number of power transformer is 220V/24V/10W, silicon rectifier diode VD1, VD2, VD3,
VD4 models are 1N4001, and electrochemical capacitor C1 models are 470 μ F/100V, and ceramic disc capacitor C2 models are 0.33 μ F, ceramic disc capacitor C3
The μ F of model 0.1.
The present embodiment is the utility model preferred embodiments, all in the present embodiment principle not to limit the utility model
In the range of do any modification, equivalent substitution and improvements etc., should be included within the scope of protection of the utility model.
Claims (3)
1. one kind energy-conservation secondary water-supply device, including without negative pressure secondary water system body and its matching used air pressure tank, its
It is characterised by being mounted with one between water inlet pipe and outlet conduit without more booster pumps of negative pressure secondary water system body
Low-power booster pump, low-power booster pump and is in without original more high-power booster pumps on negative pressure secondary water system body
Parallel connection, it is made up of mu balanced circuit, the time relay, control circuit, mu balanced circuit, the time relay, control circuit installation
In the electric control box without negative pressure secondary water system body, mu balanced circuit power input both ends respectively with 220V AC powers
The two poles of the earth are connected by wire, mu balanced circuit cathode power supply output end and time relay cathode power supply input, control circuit
One control power input is connected by wire, time relay cathode power supply output end and control circuit cathode power supply input
Being connected by wire, the cathode power supply input of the time relay is connected with the control power end of the time relay by wire,
The negative power supply input of mu balanced circuit negative power supply output end and the time relay, the negative power supply input of control circuit lead to
Wired earth is crossed, 380V AC powers control power input to be connected by wire with control circuit second, control circuit first
Road control power output end is connected with the power input of low-power booster pump by wire, the tunnel of control circuit second control power supply
Output end is connected with the electric control box power input without negative pressure secondary water system body by wire, and no negative pressure secondary supplies
The electric control box power output end of water system body and the more booster pump power inputs without negative pressure secondary water system body
End is connected by wire.
2. a kind of energy-conservation secondary water-supply device according to claim 1, it is characterised in that mu balanced circuit is fixed defeated by three ends
Go out voltage-stablizer and power transformer, silicon rectifier diode, electrochemical capacitor, ceramic disc capacitor composition, connected therebetween by wire, three ends
Fixed output voltage stabilizer model is 7824, and power transformer armature winding both ends and 220V AC powers the two poles of the earth connect respectively, electricity
Source transformer secondary output winding one end connects with first silicon rectifier diode negative pole, second silicon rectifier diode positive pole, power supply
The transformer secondary output winding other end and the 3rd silicon rectifier diode negative pole, the 4th silicon rectifier diode positive pole connection, second
Silicon rectifier diode negative pole and the 4th silicon rectifier diode negative pole, electrochemical capacitor positive pole, first ceramic disc capacitor one end, three
The pin of cathode power supply input 1 connection of the fixed output voltage stabilizer in end, first silicon rectifier diode positive pole and the 3rd silicon rectifier
The negative power supply input of diode cathode, electrochemical capacitor negative pole, first ceramic disc capacitor other end, three ends fixation output voltage stabilizer
2 pin, second ceramic disc capacitor one end ground connection are held, the pin of cathode power supply output end 3 and second porcelain of output voltage stabilizer are fixed in three ends
The chip capacitor other end connects.
3. a kind of energy-conservation secondary water-supply device according to claim 1, it is characterised in that control circuit is by four relays
Composition, is connected by wire therebetween, first, second relay there are two power inputs, one controls power input
Tip side, a normally opened contact end, a normally-closed contact end, the 3rd, the 4th relay there are two power inputs, three
Individual control power input tip side, three normally opened contact ends, three normally-closed contact ends, first relay and second relay
Cathode power supply input connects, the control power input tip side connection of first relay and second relay, first
Relay normally closed contact end connects with the cathode power supply input of the 3rd relay, second relay normally open contact end and
The cathode power supply input connection of four relays, first, second, the 3rd, the 4th relay negative power supply input
End ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809092.7U CN206888063U (en) | 2017-07-06 | 2017-07-06 | One kind energy-conservation secondary water-supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720809092.7U CN206888063U (en) | 2017-07-06 | 2017-07-06 | One kind energy-conservation secondary water-supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206888063U true CN206888063U (en) | 2018-01-16 |
Family
ID=61299497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720809092.7U Active CN206888063U (en) | 2017-07-06 | 2017-07-06 | One kind energy-conservation secondary water-supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206888063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978777A (en) * | 2018-09-12 | 2018-12-11 | 成都优链加科技有限公司 | Energy saver based on secondary water supply system pipeline tip hydraulic pressure |
-
2017
- 2017-07-06 CN CN201720809092.7U patent/CN206888063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978777A (en) * | 2018-09-12 | 2018-12-11 | 成都优链加科技有限公司 | Energy saver based on secondary water supply system pipeline tip hydraulic pressure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204003251U (en) | A kind of electricity generation device for tap water pipe network | |
| CN106329576B (en) | A kind of novel photovoltaic is from grid-connected inverter | |
| CN208257654U (en) | A kind of photovoltaic DC-to-AC converter high pressure BUS soft-start circuit | |
| CN104110346A (en) | Solar pumped storage power generation system and control method | |
| CN206888063U (en) | One kind energy-conservation secondary water-supply device | |
| CN203939621U (en) | The solar energy energy accumulation electricity generator that draws water | |
| CN105971836A (en) | System for lifting water through solar photovoltaic and making redundant electricity get on grid | |
| CN108120912A (en) | A kind of dipole inversion Ultra-low frequency voltage endurance test system | |
| CN201713861U (en) | Solar frequency conversion auxiliary constant-pressure water-supply energy-saving control system | |
| CN105089965B (en) | A kind of AC photovoltaic water pump system and its control method | |
| CN209572692U (en) | A kind of low-consumption irrigating device | |
| CN104092436B (en) | Photovoltaic curtain wall electric power system and method | |
| CN206932048U (en) | A kind of buck integral blower controller | |
| CN207499060U (en) | High-rise Building Energy Saving secondary water-supply equipment | |
| CN206345692U (en) | Water treatment controlling system | |
| CN106523338B (en) | A kind of central air-conditioner cooling water circulation pump control system monitoring real time energy consumption | |
| CN214280956U (en) | Energy-saving low-voltage control circuit | |
| CN205490289U (en) | High pressure winding motor rotor side speed adjusting device | |
| CN205483126U (en) | Multi -functional water gauge of hydroelectric power generation type | |
| CN205544334U (en) | Communication base grid -connected PV system | |
| CN205618343U (en) | Booster pump motor economizer | |
| CN204402782U (en) | A kind of photovoltaic water pump with storage function | |
| CN205171632U (en) | Solar energy variable frequency constant pressure water supply equipment | |
| CN207819878U (en) | Microwave induced energy saver applied to socket | |
| CN213682311U (en) | Transition device used in non-negative pressure pump adding process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |