CN208547152U - A kind of fluidic ice ice-water separation device - Google Patents

A kind of fluidic ice ice-water separation device Download PDF

Info

Publication number
CN208547152U
CN208547152U CN201820909689.3U CN201820909689U CN208547152U CN 208547152 U CN208547152 U CN 208547152U CN 201820909689 U CN201820909689 U CN 201820909689U CN 208547152 U CN208547152 U CN 208547152U
Authority
CN
China
Prior art keywords
ice
water
cylinder
fluidic
separation device
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
Application number
CN201820909689.3U
Other languages
Chinese (zh)
Inventor
王小伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN BROTHER ICE SYSTEM CO Ltd
Original Assignee
SHENZHEN BROTHER ICE SYSTEM CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN BROTHER ICE SYSTEM CO Ltd filed Critical SHENZHEN BROTHER ICE SYSTEM CO Ltd
Priority to CN201820909689.3U priority Critical patent/CN208547152U/en
Application granted granted Critical
Publication of CN208547152U publication Critical patent/CN208547152U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Production, Working, Storing, Or Distribution Of Ice (AREA)

Abstract

The utility model relates to a kind of fluidic ice ice-water separation devices, including ice making unit and cylinder, cylinder is fixed with a close sieve for being covered with pore, accommodating chamber is separated into water storage cavity and dewatering cavity by close sieve, the liquid water stored in it is delivered to ice making unit by outlet pipe by water storage cavity, and ice making unit goes out the mixture of ice and water that ice pipe is made by first and is delivered in dewatering cavity;Dewatering cavity is equipped with one and stirs unit, stirring unit includes the plectrum in dewatering cavity, plectrum rotary dial and can drive the mixture of ice and water in it to roll on close sieve in dewatering cavity, it is fixedly installed with one in water storage cavity and leads to the defeated ice channel outside cylinder, close sieve is equipped with the through-hole communicated with defeated ice channel, and one is equipped between close sieve and defeated ice channel can close or open the valve of through-hole.Mixture of ice and water rotary dial in dewatering cavity is carried out being completely separated for ice water by stirring unit by above-mentioned fluidic ice ice-water separation device, and pure ice disposably can be obtained, and achievees the purpose that reduce ice making energy consumption.

Description

A kind of fluidic ice ice-water separation device
Technical field
The utility model relates to make ice field, especially a kind of fluidic ice ice-water separation device.
Background technique
There are many fluid state ice generating means currently on the market, and the mode for generating fluid state ice is also had nothing in common with each other, and have subcooled water two The different types of fluidised form mixture of ice and water such as first fluidic ice, scraper-type fluidic ice, mixture fluid ice, spiral cliff formula fluidic ice Device for making, general fluid state ice be it is direct applied, the drying ice application that needs to extract in fluid state ice some is (such as sliding Snow pack), the mode extracted at present, which mostly uses, is stored in fluidic ice in holding vessel, and the floating ice for directly acquiring tank top is then cold again But the mode for the application extra water freezed carries out, and the ice moisture content often taken out is higher, and there are secondary refrigeration, energy consumptions It is higher.
The drawbacks of traditional design and production:
1. the pure ice moisture content of extraction is high, not dry enough, cannot perfection reach certain pure ice application demands;
2. crossing high-moisture percentage needs additional secondary refrigeration Cheng Bing, energy consumption is high.
Utility model content
In view of the above situation, it is necessary to which pure ice can disposably be obtained by providing one kind, reduce the fluidic ice ice water of ice making energy consumption Separator.
It further include that tool holds in order to solve the above technical problems, providing a kind of fluidic ice ice-water separation device, including ice making unit It receives the cylinder of chamber, is fixed with a close sieve for being covered with pore in the accommodating chamber, the close sieve is by the accommodating chamber point It is divided into water storage cavity and dewatering cavity, the liquid water stored in it is delivered to the ice making unit by outlet pipe by the water storage cavity, The ice making unit goes out the mixture of ice and water that ice pipe is made by first and is delivered in the dewatering cavity;
One is equipped in the dewatering cavity and stirs unit, and the unit of stirring includes the plectrum in the dewatering cavity, institute State plectrum rotary dial and can drive the mixture of ice and water in it to roll on the close sieve in the dewatering cavity, described It is fixedly installed with one in water storage cavity and leads to the defeated ice channel outside cylinder, the close sieve is equipped with to be communicated with the defeated ice channel Through-hole, the valve of the through-hole can be closed or opened by being equipped with one between the close sieve and the defeated ice channel.
It further include a control system in above-mentioned the utility model fluidic ice ice-water separation device, the control system packet The controller of the temperature sensor being set in the water storage cavity, the water pump on the outlet pipe and the control water pump is included, The temperature sensor and the controller are electrically connected and its temperature information are sent to the controller, and the controller is logical Received temperature information is crossed to control the switch of the water pump.
It further include a moisturizing to the accommodating chamber moisturizing in above-mentioned the utility model fluidic ice ice-water separation device Pipe, is equipped with switch valve on the water supply pipe, and the control system further includes the level sensing being electrically connected with the controller Device, the liquid level sensor are set to the cylinder appearance and can monitor the water level of the water storage cavity, the liquid level sensor by its Liquid level information is sent to the controller, and the controller controls the switch of the switch valve by received liquid level information.
It further include a pusher unit in above-mentioned the utility model fluidic ice ice-water separation device, the pusher unit packet First motor and push rod are included, the first motor is fixedly installed in outside the cylinder and is electrically connected with the controller, described Push rod one end and the first motor export axis connection, and the other end passes through the cylinder and connect with the valve, the valve It can be opened or closed by the movement of the push rod.
In above-mentioned the utility model fluidic ice ice-water separation device, the unit of stirring includes the second motor and connection master Axis, described connection main shaft one end connect second motor output shaft, and the other end is connect with the plectrum, second motor and The controller connection, the controller control the switch of second motor, and second electric motor starting can drive described dial Piece rotary dial in the dewatering cavity.
In above-mentioned the utility model fluidic ice ice-water separation device, the plectrum is laminated structure, the connection main shaft It is connect with the central location of the plectrum.
In above-mentioned the utility model fluidic ice ice-water separation device, the defeated ice channel includes to communicate with the through-hole Delivery tube and be connected with described delivery tube one end end second go out ice pipe, the delivery tube be round tubular structure, Both ends are each passed through the cylinder body outer wall and fix with the cylinder, a screw rod are equipped in the delivery tube, in the transport One end of pipe is equipped with third motor, and the third motor output shaft connect with the screw rod and the screw rod can be driven in institute State rotation in delivery tube.
In above-mentioned the utility model fluidic ice ice-water separation device, the tube wall of the delivery tube is equipped with several and storage The pore that water cavity communicates.
In above-mentioned the utility model fluidic ice ice-water separation device, the delivery tube is that the mesh plate of an entirety passes through The cylindrical tube structure curled into.
Above-mentioned fluidic ice ice-water separation device, wherein the mixture of ice and water of production is delivered in dewatering cavity by ice making unit, Mixture of ice and water carries out the filtering of first time water by close sieve first, carries out rotary dial using unit is stirred, carries out thorough Ice water separation, is most transported through defeated ice channel to needing at ice afterwards, and in the present invention, mixture of ice and water is by stirring unit de- High speed rotation in water cavity, so that the mixture of ice and water in it be made to carry out circular motion, the water in mixture of ice and water in dewatering cavity It constantly throws away and is fallen in water storage cavity through close sieve under the influence of centrifugal force, disposably obtain satisfactory pure ice, reach Reduce the purpose of ice making energy consumption;In addition, the utility model whole process monitors data everywhere by sensor by control system, according to It sets numerical value and carries out switch control, realize Automatic Control purpose, run simple and practical.
Detailed description of the invention
Fig. 1 is the utility model fluidic ice ice-water separation device and ice making unit overall structure diagram.
Fig. 2 is the utility model fluidic ice ice-water separation device overlooking structure diagram.
Fig. 3 is not show cylinder cover shape state overlooking structure diagram in the utility model fluidic ice ice-water separation device.
Fig. 4 is defeated ice channel design schematic diagram in the utility model fluidic ice ice-water separation device.
Fig. 5 is delivery pipe deployed configuration schematic diagram in the utility model fluidic ice ice-water separation device.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, is further elaborated the utility model fluidic ice ice-water separation device.It should be appreciated that described herein specific Embodiment only to explain the utility model, is not used to limit the utility model.
Referring to Figure 1 to Fig. 3, a kind of fluidic ice ice-water separation device of the utility model embodiment, including ice making unit 10, further include the cylinder 20 for having accommodating chamber 22, a close sieve 30 for being covered with pore, close sieve 30 are fixed in accommodating chamber 22 On pore be used for filter liquid state water, accommodating chamber 22 is separated into water storage cavity 222 and dewatering cavity 224, water storage cavity 222 by close sieve 30 The liquid water stored in it is delivered to ice making unit 10 by outlet pipe 41, ice making unit 10 by first go out ice pipe 42 by its The mixture of ice and water of production is delivered in dewatering cavity 224;
One is equipped in dewatering cavity 224 and stirs unit, and stirring unit includes the plectrum 52 in dewatering cavity 224, plectrum 52 Rotary dial and the mixture of ice and water in it can be driven to roll on close sieve 30 in dewatering cavity 224, mixture of ice and water is close While rolling on sieve 30, the liquid water in mixture of ice and water is then passed through into the close filtering of sieve 30 to water storage cavity, in water storage cavity It is fixedly installed with one in 222 and leads to the defeated ice channel outside cylinder 20, close sieve 30 is equipped with the through-hole 32 communicated with defeated ice channel, One is equipped between close sieve 30 and defeated ice channel can close or open the valve 60 of through-hole 32.
Working principle description:
Liquid water in cylinder 20 passes through outlet pipe 41 first and the liquid water stored in it is delivered to ice making unit 10, system Ice unit 10 goes out the mixture of ice and water that ice pipe 42 is made by first and is delivered in dewatering cavity 224, continuous iterative cycles drop Temperature, when needing to make ice, going out ice pipe 42 to enter cylinder 20 from first is mixture of ice and water, and mixture of ice and water initially enters de- In water cavity 224, mixture of ice and water is by gravity, and the moisture contained is by close the screen to filtrate to water storage cavity, simultaneously It stirs the plectrum 52 of unit and rotary dial and the mixture of ice and water in it is driven to roll on close sieve 30 in dewatering cavity 224, As the mixture of ice and water in dewatering cavity 224 is more and more, 52 high speed rotation of plectrum drives mixture of ice and water in dewatering cavity 224 It moves in a circle, the water in mixture of ice and water falls to water storage by the close sieve 30 of part since the reason of centrifugal force is constantly thrown away In chamber 222, after reaching the preset time, stir unit and stop rotating, valve 60 open, the pure ice separated through thorough ice water by Through-hole 32 reaches defeated ice channel, and being most delivered to afterwards through defeated ice channel needs at ice, and above-mentioned fluidic ice ice-water separation device is by stirring Mixture of ice and water rotary dial in dewatering cavity is carried out being completely separated for ice water by unit, and pure ice disposably can be obtained, reach Reduce the purpose of ice making energy consumption.
As shown in Figure 1, further include having a control system in the utility model fluidic ice ice-water separation device, control system System includes the temperature sensor 71 in water storage cavity 222, the water pump 72 on outlet pipe 41 and the control for controlling water pump 72 Device 73, temperature sensor 71 and controller 73 are electrically connected and its temperature information are sent to controller 73, and controller 73 passes through Received temperature information controls the switch of water pump 72, when temperature sensor 71 monitors the liquid coolant-temperature gage in water storage cavity 222 When reaching 0 DEG C, controller 73 controls the water pump 72 on outlet pipe 41 and switchs, and supplies water to ice making unit 10, into ice making process, originally Utility model entirely makes ice process and has been all made of automatic control system, runs simple and practical.
As shown in Figure 1, further including a moisturizing to 22 moisturizing of accommodating chamber in the utility model fluidic ice ice-water separation device Pipe 49 is equipped with switch valve 74 on water supply pipe 49, and control system further includes the liquid level sensor 75 being electrically connected with controller 73, Liquid level sensor 75 is set to 20 appearance of cylinder and can monitor the water level of water storage cavity 222, and liquid level sensor 75 passes its liquid level information It send to controller 73, by received liquid level information come the switch of control switch valve 74, liquid level sensor 75 will store up controller 73 Water level information in water cavity 222 feeds back to controller 73, when the water level information that controller 73 receives reaches its setting value, control Device 73 processed conveys to switch valve 74 and opens order, makes water source through the moisturizing into water storage cavity 222 of water supply pipe 49.
As shown in Figures 2 and 3, in the utility model fluidic ice ice-water separation device, further include a pusher unit, push away Bar unit includes first motor 91 and push rod 92, and first motor 91 is fixedly installed in outside cylinder 20 and electrically connects with controller 73 It connects, 92 one end of push rod and first motor 91 export axis connection, and the other end passes through cylinder 20 and connect with valve 60, and valve 60 can lead to The movement of push rod 92 is crossed to open or close, while mixture of ice and water rolls on close sieve 30, first motor 91 starts, 92 setting in motion of push rod is driven, push rod 92 is constantly mobile to constantly open with movable valve 60, thus by continuous mistake through ice water point Pure ice from after falls to defeated ice channel from through-hole 32, is finally transported by defeated ice channel.
It as shown in Figure 1 to Figure 3, include the second electricity in the utility model fluidic ice ice-water separation device, stirring unit Machine 53 and connection main shaft 54, connection 54 one end of main shaft connect 53 output shaft of the second motor, and the other end is connect with plectrum 52, the second electricity Machine 53 is connect with controller 73, and controller 73 controls the switch of the second motor 53, and the starting of the second motor 53 can drive plectrum 52 to exist Rotary dial in dewatering cavity 224, the plectrum 52 of rotary dial the mixture of ice and water in dewatering cavity 224 is moved in a circle carry out it is thorough The ice water at bottom separates.
Preferably, plectrum 52 is laminated structure, and connection main shaft 54 is connect with the central location of plectrum 52.
As shown in Figure 1 and Figure 4, in the utility model fluidic ice ice-water separation device, defeated ice channel includes and leads to Delivery tube 81 that hole 32 communicates and what is be connected with 81 one end end of delivery tube second go out ice pipe 82, delivery tube 81 is round tube Shape structure, both ends are each passed through 20 outer wall of cylinder and cylinder 20 is fixed, and a screw rod 83 is equipped in delivery tube 81, is being transported One end of pipe 81 is equipped with third motor 84, and 84 output shaft of third motor connect with screw rod 83 and screw rod 83 can be driven to transport Rotation in pipe 81, screw rod 83 guarantee that the pure ice in delivery tube 81 is transmitted toward 81 one end of delivery tube.
As shown in figure 4, the tube wall of delivery tube 81 is equipped with several pores communicated with water storage cavity 222;Preferably, delivery tube 81 Pass through the cylindrical tube structure curled into for the mesh plate of an entirety, fall to the pure ice of delivery tube 81, since collision is formed Moisture content can be filtered again by pore, it is ensured that obtain pure ice.
As depicted in figs. 1 and 2, cylinder cover 12 compatible with cylinder 20 is equipped at the top of cylinder 20, the second motor 53 is fixed It is installed on cylinder cover 12, connection main shaft 54 passes through cylinder cover 12 and connect with plectrum 52.
In addition, 20 shell of cylinder has completely cut off external environment to the secondary heat waste of the pure ice of separation with heat preservation material filling It loses.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above Hold the equivalent embodiment for being modified or being modified to equivalent variations, but all without departing from technical solutions of the utility model Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still It is within the scope of the technical solutions of the present invention.

Claims (10)

1. a kind of fluidic ice ice-water separation device, including ice making unit (10), it is characterised in that: further include tool accommodating chamber (22) Cylinder (20), is fixed with a close sieve (30) for being covered with pore in the accommodating chamber (22), and the close sieve (30) is by institute It states accommodating chamber (22) and is separated into water storage cavity (222) and dewatering cavity (224), the water storage cavity (222) will be stored up by outlet pipe (41) It deposits the liquid water in it to be delivered to the ice making unit (10), the ice making unit (10) goes out ice pipe (42) by first and made The mixture of ice and water of work is delivered in the dewatering cavity (224);
One is equipped in the dewatering cavity (224) and stirs unit, and the unit of stirring includes dialling in the dewatering cavity (224) Piece (52), the plectrum (52) in the interior rotary dial of the dewatering cavity (224) and can drive the mixture of ice and water in it described It is rolled on close sieve (30), is fixedly installed with one in the water storage cavity (222) and leads to the defeated ice channel of cylinder (20) outside, it is described Close sieve (30) is equipped with the through-hole (32) that communicates with the defeated ice channel, the close sieve (30) and the defeated ice channel it Between be equipped with a valve (60) that can close or open the through-hole (32).
2. fluidic ice ice-water separation device as described in claim 1, it is characterised in that: further include a control system, the control System processed includes the temperature sensor (71) in the water storage cavity (222), the water pump on the outlet pipe (41) (72) and the controller (73) of the control water pump (72), the temperature sensor (71) and the controller (73) are electrically connected And be sent to its temperature information the controller (73), the controller (73) is controlled described by received temperature information The switch of water pump (72).
3. fluidic ice ice-water separation device as claimed in claim 2, it is characterised in that: further include one to the accommodating chamber (22) The water supply pipe (49) of moisturizing, is equipped with switch valve (74) on the water supply pipe (49), and the control system further includes and the control The liquid level sensor (75) that device (73) processed is electrically connected, the liquid level sensor (75) are set to the cylinder (20) appearance and can supervise The water level of the water storage cavity (222) is surveyed, its liquid level information is sent to the controller (73), institute by the liquid level sensor (75) State the switch that controller (73) controls the switch valve (74) by received liquid level information.
4. fluidic ice ice-water separation device as claimed in claim 2, it is characterised in that: it further include a pusher unit, it is described to push away Bar unit includes first motor (91) and push rod (92), the first motor (91) be fixedly installed in the cylinder (20) outside and with The controller (73) is electrically connected, and described push rod (92) one end and the first motor (91) export axis connection, the other end It is connect across the cylinder (20) with the valve (60), the valve (60) can be opened by the movement of the push rod (92) Or it closes.
5. fluidic ice ice-water separation device as claimed in claim 2, it is characterised in that: the unit of stirring includes the second motor (53) and connection main shaft (54), the connection main shaft (54) one end connect the second motor (53) output shaft, the other end and institute Plectrum (52) connection is stated, second motor (53) connect with the controller (73), and the controller (73) controls described the The switch of two motors (53), the second motor (53) starting can drive the plectrum (52) in the dewatering cavity (224) inward turning The transfer is dynamic.
6. fluidic ice ice-water separation device as claimed in claim 5, it is characterised in that: the plectrum (52) is laminated structure, Connection main shaft (54) connect with the central location of the plectrum (52).
7. fluidic ice ice-water separation device as described in claim 1, it is characterised in that: the defeated ice channel include with it is described Delivery tube (81) that through-hole (32) communicates and what is be connected with the delivery tube (81) one end end second go out ice pipe (82), it is described Delivery tube (81) is round tubular structure, and both ends are each passed through the cylinder (20) outer wall and the cylinder (20) are fixed, A screw rod (83) are equipped in the delivery tube (81), are equipped with third motor (84) in one end of the delivery tube (81), it is described Third motor (84) output shaft connect with the screw rod (83) and the screw rod (83) can be driven in the delivery tube (81) Interior rotation.
8. fluidic ice ice-water separation device as claimed in claim 7, it is characterised in that: the tube wall of the delivery tube (81) is equipped with Several pores communicated with the water storage cavity (222).
9. fluidic ice ice-water separation device as claimed in claim 7, it is characterised in that: the delivery tube (81) is an entirety Mesh plate pass through the cylindrical tube structure that curls into.
10. fluidic ice ice-water separation device as claimed in claim 5, it is characterised in that: be equipped at the top of the cylinder (20) with The compatible cylinder cover (12) of the cylinder (20), second motor (53) are fixedly installed on the cylinder cover (12), institute Connection main shaft (54) is stated to connect across the cylinder cover (12) with the plectrum (52).
CN201820909689.3U 2018-06-13 2018-06-13 A kind of fluidic ice ice-water separation device Active CN208547152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820909689.3U CN208547152U (en) 2018-06-13 2018-06-13 A kind of fluidic ice ice-water separation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820909689.3U CN208547152U (en) 2018-06-13 2018-06-13 A kind of fluidic ice ice-water separation device

Publications (1)

Publication Number Publication Date
CN208547152U true CN208547152U (en) 2019-02-26

Family

ID=65421920

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820909689.3U Active CN208547152U (en) 2018-06-13 2018-06-13 A kind of fluidic ice ice-water separation device

Country Status (1)

Country Link
CN (1) CN208547152U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269174A (en) * 2018-06-13 2019-01-25 深圳市兄弟制冰系统有限公司 A kind of fluidic ice ice-water separation device
CN112791438A (en) * 2020-12-28 2021-05-14 魏永阳 Cold energy desalination system and process for treating salt water

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269174A (en) * 2018-06-13 2019-01-25 深圳市兄弟制冰系统有限公司 A kind of fluidic ice ice-water separation device
CN109269174B (en) * 2018-06-13 2024-01-30 深圳市兄弟制冰系统有限公司 Fluid ice-water separation device
CN112791438A (en) * 2020-12-28 2021-05-14 魏永阳 Cold energy desalination system and process for treating salt water

Similar Documents

Publication Publication Date Title
CN208547152U (en) A kind of fluidic ice ice-water separation device
CN205889943U (en) Fruit vegetables solid -liquid separation equipment
CN205699735U (en) A kind of Chemical Manufacture defecator with self-feeding and deslagging function
CN104545456A (en) Full-automatic intelligent soybean milk maker
CN205482195U (en) Cylinder scraper blade desiccator
CN109269174A (en) A kind of fluidic ice ice-water separation device
CN114396795B (en) High-temperature calcining device for edible gypsum powder production
CN209633844U (en) Tail end back pressure type solid-liquid expression separation machine
CN215823345U (en) Six jar thick liquids deironing filtering mechanism of full-automatic permanent magnetism
CN216653536U (en) Oil separating, storing and filling system
CN211487364U (en) Raw and other materials mixing arrangement is used in CPP membrane production
CN213713811U (en) Polycarboxylate high performance water-reducing agent drying device
CN213669465U (en) Nano oxide powder mechanical grinding device
CN109907666A (en) A kind of fruit juice grinding cup
CN114470861A (en) Homogeneous self-squeezing energy-saving environment-friendly biological medicine extraction device and extraction method
CN208809869U (en) Automatic recipe maker is used in a kind of production of calcium carbonate superfine powder
CN202538512U (en) Material continuous negative-pressure centrifugal separating and drying device
CN208302346U (en) A kind of potassium floutaramite centrifugal device
CN208944234U (en) Micronizer
CN208279588U (en) The dewaxing device of camellia oil
CN209759892U (en) A making beating agitating unit for high-grade matt pure paper wall paper
CN207823218U (en) A kind of fluid pressurized horizontal spiral centrifuge of secondary extrusion reflux
CN203030403U (en) Continuous segregator with scraper-type cleaner
CN109331948A (en) Tealeaves grinding device and grinding method
CN108380133A (en) A kind of gynecological disinfection agent raw material mixing dispenser

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant