CN107600772B - The Internet of things system of dustbin and rubbish weighing and classification recycling - Google Patents

The Internet of things system of dustbin and rubbish weighing and classification recycling Download PDF

Info

Publication number
CN107600772B
CN107600772B CN201610896623.0A CN201610896623A CN107600772B CN 107600772 B CN107600772 B CN 107600772B CN 201610896623 A CN201610896623 A CN 201610896623A CN 107600772 B CN107600772 B CN 107600772B
Authority
CN
China
Prior art keywords
staving
dustbin
plate body
lower section
lid
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
CN201610896623.0A
Other languages
Chinese (zh)
Other versions
CN107600772A (en
Inventor
任孝平
薛志超
杨帆
王健
王肖磊
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.)
National Institute of Metrology
Original Assignee
National Institute of Metrology
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 National Institute of Metrology filed Critical National Institute of Metrology
Priority to CN201610896623.0A priority Critical patent/CN107600772B/en
Publication of CN107600772A publication Critical patent/CN107600772A/en
Application granted granted Critical
Publication of CN107600772B publication Critical patent/CN107600772B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/10Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion

Landscapes

  • Refuse Collection And Transfer (AREA)

Abstract

The present invention discloses the Internet of things system of dustbin and rubbish weighing and classification recycling, the dustbin includes: the first staving (1) and the second staving (2), first staving (1) and the second staving (2) are separately arranged, and first the top of staving (1) and the second staving (2) be provided with entrance, the side of first staving (1) and the second staving (2) is provided with outlet, the dustbin further include: interface channel (3) and partition (4), first staving (1) is connected to one end of interface channel (3) close to the side of bottom, the other end of interface channel (3) is connected to the second staving (2) on the side of bottom;Interface channel (3) can be divided into first segment and second segment sealed against one another along the length direction sliding for the sliding rail that the length direction of interface channel (3) is arranged, partition (4) by partition (4).The dustbin oneself can adjust the space of recyclable rubbish and not recyclable rubbish, avoid one from expiring and another empty problem.

Description

The Internet of things system of dustbin and rubbish weighing and classification recycling
Technical field
The present invention relates to the recycling of rubbish, and in particular, to dustbin and, weighed with the rubbish of the dustbin and classification The Internet of things system of recycling.
Background technique
The rubbish generated in resident living at present, usually resident are voluntarily carried from family to garbage reclamation point, and house is small Condition good having in area's, which is classified, recycles rubbish website, and without the cell of estate management, resident can then select to send rubbish to big The dustbin of the street, then periodically cleaning is walked daily by sanitationman.Even dustbin realizes storing classifiedly for rubbish, still The vehicle of different classifications has not yet been viewed to clear up different dustbins in we.An only vehicle is all categorized good to collect every time Rubbish, so again the rubbish for having divided class has been mixed in together, be not carried out at all truly classification recycling and Processing.
Cell or rubbish at the front are disclosed all very small at present, if encountering biggish residential building, rubbish can not be whole It is put into inside dustbin, resident has no idea to select for refuse bag to be put into beside dustbin, and can bring dirty, random, smelly ask Topic.
Summary of the invention
The object of the present invention is to provide a kind of dustbin, which oneself can adjust recyclable rubbish and not be recycled The space of rubbish avoids one from expiring and another empty problem.Moreover it is possible to prompt different garbage recycling vehicles to recycle Dustbin through being filled with, and the website is not filled with the effect that the cleaning vehicle would not be prompted to come, and then improve refuse collection Rate.
The present invention provides a kind of dustbin, which includes: the first staving and the second staving, first staving and institute State the second staving to be separately arranged, and the top of first staving and the second staving is provided with entrance, first staving and The side of second staving is provided with outlet,
The dustbin further include: interface channel and partition, first staving are connected to the company close to the side of bottom The one end in road is connected, the other end of the interface channel is connected to second staving on the side of bottom;The partition The interface channel can be divided along the length direction sliding for the sliding rail that the length direction of the interface channel is arranged, the partition It is cut into first segment and second segment sealed against one another.
Preferably, the dustbin further include:
First lid, first lid are articulated with the inlet of first staving, and can seal described first barrel The entrance of body;
Second lid, second lid are articulated with the inlet of second staving, and can seal described second barrel The entrance of body.
Preferably, first staving includes: the first upper section and the first lower section, and one end setting of first upper section is The first lid is stated, the other end of first upper section is coaxially fixed in one end of first lower section, and first upper section is close One end of first lower section becomes narrow gradually towards one end close to first lid.
Preferably, second staving includes: the second upper section and the second lower section, and one end setting of second upper section is The second lid is stated, the other end of second upper section is coaxially fixed in one end of second lower section, and second upper section is close One end of second lower section becomes narrow gradually towards one end close to second lid.
Preferably, elastic reset liner plate is provided between first upper section and the first lower section.
Preferably, the elastic reset liner plate includes:
First plate body, the second plate body, the first elastic telescopic part and the second elastic telescopic part;
The hinged end of first plate body is articulated on the inner surface of first lower section, and the first elastic telescopic part One end be fixed in first plate body, the other end is fixed on the inner surface of first lower section, and supports first plate Body;
The hinged end of second plate body is articulated on the inner surface of first lower section, and the first elastic telescopic part One end be fixed in first plate body, the other end is fixed on the inner surface of first lower section, and supports first plate Body;
In its natural state, first plate body and second plate body are in the first elastic telescopic part and the second elasticity Under the action of extensible member, the free end of first plate body resists the free end of second plate body.
The present invention also provides the Internet of things system of a kind of weighing of rubbish and classification recycling, rubbish weighing and recycling of classifying Internet of things system includes:
Pressure sensor, wireless transmission mechanism and multiple above-mentioned dustbins, the pressure sensor be set to it is described every On two end faces of plate, the pressure sensor exports the pressure signal sensed to the input of the wireless transmission mechanism End, the output end of the wireless transmission mechanism are connected to server, server position signal according to corresponding to dustbin Optimal path is formulated to export to garbage recycling vehicle.
Preferably, the Internet of things system of rubbish weighing and classification recycling further include: weighing sensor, multiple weighings Sensor is set on the bottom surface of the inside of first staving and the second staving, and is electrically connected to the wireless transmission mechanism Input terminal exports the weight signal sensed to the input terminal of the wireless transmission mechanism.
By above-mentioned embodiment, the sky that oneself can adjust recyclable rubbish and not recyclable rubbish of the invention Between, it avoids one from expiring and another empty problem, realizes automatic conversion, avoiding present rubbish can not all put Inside to dustbin, resident has no idea to select for refuse bag to be put into beside dustbin, and can bring dirty, random, smelly problem.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the preferred embodiment for illustrating the dustbin of Internet of things system of rubbish weighing and classification recycling of the invention Structural schematic diagram;
Fig. 2 is the preferred embodiment for illustrating the Internet of things system dustbin of rubbish weighing and classification recycling of the invention Perspective view.
Description of symbols
1 first staving, 2 second staving
3 interface channel, 4 partition
5 pressure sensor, 6 weighing sensor
7 first lid, 8 second lid
11 first upper section, 12 first lower section
21 second upper section, 22 second lower section
9 elastic reset liner plate, 91 first plate body
92 second plate body, 93 first elastic telescopic part
94 second elastic telescopic parts
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " typically refers to It is as shown in Figure 1 up and down." inside and outside " refer in specific profile it is interior with it is outer." remote, close " refers to relative to some component Far and closely.
The present invention provides a kind of dustbin, which includes: the first staving 1 and the second staving 2, first staving 1 Separately it is arranged with second staving 2, and the top of first staving 1 and the second staving 2 is provided with entrance, described first The side of staving 1 and the second staving 2 is provided with outlet, which is characterized in that the dustbin further include: interface channel 3 and partition 4, first staving 1 is connected to one end of the interface channel 3, the other end of the interface channel 3 close to the side of bottom Second staving 2 is connected on the side of bottom;The partition 4 can be set along the length direction of the interface channel 3 The length direction for the sliding rail set slides, and the interface channel 3 is divided into first segment and second sealed against one another by the partition 4 Section.
By above-mentioned embodiment, the sky that oneself can adjust recyclable rubbish and not recyclable rubbish of the invention Between, it avoids one from expiring and another empty problem, realizes automatic conversion, avoiding present rubbish can not all put Inside to dustbin, resident has no idea to select for refuse bag to be put into beside dustbin, and can bring dirty, random, smelly problem. By the conversion between the first segment and second segment of setting, the automatic adjustment of dustbin space size may be implemented using sliding rail.
Below in conjunction with attached drawing, 1 couple of present invention is further detailed, in the present invention, in order to improve of the invention be applicable in Range is especially realized using following specific embodiments.
In this embodiment, which can also include:
First lid 7, first lid 7 are articulated with the inlet of first staving 1, and can seal described first The entrance of staving 1;
Second lid 8, second lid 8 are articulated with the inlet of second staving 2, and can seal described second The entrance of staving 2.
It may be implemented to avoid odor dispersion by the setting of lid, avoid influencing nearby residents and pedestrian.
In this embodiment, first staving 1 may include: the first upper section 11 and the first lower section 12, and described One end of one upper section 11 is provided with first lid 7, and the other end of first upper section 11 is coaxially fixed under described first One end of section 12, first upper section 11 is close to one end of first lower section 12 towards one end close to first lid 7 It becomes narrow gradually.
In this embodiment, second staving 2 may include: the second upper section 21 and the second lower section 22, and described One end of two upper sections 21 is provided with second lid 8, and the other end of second upper section 21 is coaxially fixed under described second One end of section 22, second upper section 21 is close to one end of second lower section 22 towards one end close to second lid 8 It becomes narrow gradually.
In this embodiment, elastic reset liner plate 9 is provided between first upper section 11 and the first lower section 12.
In this embodiment, the elastic reset liner plate 9 may include: the first plate body 91, the second plate body 92, first Elastic telescopic part 93 and the second elastic telescopic part 94;The hinged end of first plate body 91 is articulated with the interior of first lower section 12 On surface, and one end of the first elastic telescopic part 93 is fixed in first plate body 91, and the other end is fixed in described first On the inner surface of lower section 12, and support first plate body 91;The hinged end of second plate body 92 is articulated under described first On the inner surface of section 12, and one end of the first elastic telescopic part 93 is fixed in first plate body 91, and the other end is fixed in On the inner surface of first lower section 12, and support first plate body 91;In its natural state, first plate body 91 and institute The second plate body 92 is stated under the action of the first elastic telescopic part 93 and the second elastic telescopic part 94, first plate body 91 Free end resists the free end of second plate body 92.
Above-mentioned mode by remaining space and can compress part isolation with closed dustbin, avoid odor dispersion, influence Nearby residents and pedestrian.Dustbin of the invention can be with compressed garbage, the as far as possible efficiency of raising dustbin storage rubbish.It is logical Above-mentioned setting is crossed, after only enough a certain number of rubbish are deposited on top, rubbish can singly drop down onto lower half portion.Make in this way The rubbish of upper part will not storing excess, avoid open lid when, excessive odor dispersion goes out, and influences ambient enviroment.
In a kind of specific embodiment of the invention, the present invention also provides the Internet of Things of a kind of weighing of rubbish and classification recycling The Internet of things system of net system, rubbish weighing and classification recycling can also include: pressure sensor 5 and wireless transmission mechanism, The pressure sensor 5 is set on two end faces of the partition 4, the pressure signal that the pressure sensor 5 will sense It exports to the input terminal of the wireless transmission mechanism, the output end of the wireless transmission mechanism is connected to server, the service Device position signal according to corresponding to dustbin is formulated optimal path and is exported to garbage recycling vehicle.
By above-mentioned setting, the transmission of wireless signal may be implemented, when the feelings that the first staving 1 or the second staving 2 are filled Under condition, pressure sensor 5 is resisted, 5 induction pressure of pressure sensor is wirelessly exported signal by wireless transmission mechanism.
In this embodiment, which can also include: weighing sensor 6, and multiple weighing sensors 6 are set It is placed on the bottom surface of the inside of first staving 1 and the second staving 2, and is electrically connected to the input of the wireless transmission mechanism End, the weight signal sensed is exported to the input terminal of the wireless transmission mechanism.
By weighing sensor 6, the weight at multiple positions of 2 bottom of the first staving 1 and the second staving can be intervened, thus It is apparent that the weight of the intracorporal rubbish of bucket, prevents the first staving 1 or the second staving 2 overweight.
Each website of the invention can according to need the one or more dustbins of setting, realizes and carries out different rubbish It puts on by classification.In order to further realize classification recycling, need to be arranged multiple garbage removing carts to take rubbish away.Rather than as usual Mode, only carry out a vehicle every time, while clearing up the rubbish in all dustbins, will result in classified in this way The phenomenon that rubbish has been mixed in together again.
Further, multiple clearing and transporting vehicles are set to clear up away different rubbish.It can be in conjunction with the weighing of each dustbin itself Information is realized.If No. 1 dustbin of the rubbish website is full, and No. 2 dustbins are also less than.Then No. 1 dustbin, which can be sent, disappears Cease to command centre or clear up the clearing and transporting vehicle of No. 1 type rubbish.Such No. 1 garbage removing cart is known which website in the city No. 1 dustbin it is full, can go to clean up.And the site paths passed by when clearing up, it can be arranged according to optimal path, Do not have to repeat along road, can on the one hand save work man-hour in this way disposably all websites are passed through Between and automobile consumed by the energy;On the other hand the speed cleared is improved.
Dustbin it is less than then will not externally issue signal, then clearing and transporting vehicle is without going past the website, when can also save in this way Between and energy consumption, rather than in traditional sense, the dustbin of each website will be read through, and low efficiency and expend the time.
The dustbin for having been sent from all websites of signal will form a network.In this network, computer can root The row of garbage removing cart is designed in conjunction with artificial intelligence search and ergodic algorithm according to the starting point and end point of garbage removing cart Walk route.
Each type of rubbish is launched in different dustbins, and is walked by the cleaning of corresponding garbage removing cart, so not Rubbish is mixed can again.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (8)

1. a kind of dustbin, which includes: the first staving (1) and the second staving (2), first staving (1) and described Second staving (2) is separately arranged, and the top of first staving (1) and the second staving (2) is provided with entrance, and described first The side of staving (1) and the second staving (2) is provided with outlet, which is characterized in that
The dustbin further include: interface channel (3) and partition (4), first staving (1) are connected to institute close to the side of bottom One end of interface channel (3) is stated, the other end of the interface channel (3) is connected to side of second staving (2) close to bottom On face;The partition (4) can be described along the length direction sliding for the sliding rail that the length direction of the interface channel (3) is arranged The interface channel (3) is divided into first segment and second segment sealed against one another by partition (4).
2. dustbin according to claim 1, which is characterized in that the dustbin further include:
First lid (7), first lid (7) are articulated with the inlet of first staving (1), and can seal described The entrance of one staving (1);
Second lid (8), second lid (8) are articulated with the inlet of second staving (2), and can seal described The entrance of two stavings (2).
3. dustbin according to claim 2, which is characterized in that first staving (1) include: the first upper section (11) and First lower section (12), one end of first upper section (11) are provided with first lid (7), first upper section (11) it is another One end is coaxially fixed in one end of first lower section (12), first upper section (11) close to first lower section (12) one End becomes narrow gradually towards one end close to first lid (7).
4. dustbin according to claim 3, which is characterized in that second staving (2) include: the second upper section (21) and Second lower section (22), one end of second upper section (21) are provided with second lid (8), second upper section (21) it is another One end is coaxially fixed in one end of second lower section (22), second upper section (21) close to second lower section (22) one End becomes narrow gradually towards one end close to second lid (8).
5. dustbin according to claim 3, which is characterized in that between first upper section (11) and the first lower section (12) It is provided with elastic reset liner plate (9).
6. dustbin according to claim 5, which is characterized in that the elastic reset liner plate (9) includes:
First plate body (91), the second plate body (92), the first elastic telescopic part (93) and the second elastic telescopic part (94);
The hinged end of first plate body (91) is articulated on the inner surface of first lower section (12), and first elasticity is stretched One end of contracting part (93) is fixed in first plate body (91), and the other end is fixed on the inner surface of first lower section (12), And support first plate body (91);
The hinged end of second plate body (92) is articulated on the inner surface of first lower section (12), and first elasticity is stretched One end of contracting part (93) is fixed in first plate body (91), and the other end is fixed on the inner surface of first lower section (12), And support first plate body (91);
In its natural state, first plate body (91) and second plate body (92) in the first elastic telescopic part (93) and Under the action of second elastic telescopic part (94), the free end of first plate body (91) resists the freedom of second plate body (92) End.
7. a kind of Internet of things system of rubbish weighing and classification recycling, which is characterized in that the object of rubbish weighing and classification recycling Networked system includes:
Dustbin described in any one of pressure sensor (5), wireless transmission mechanism and multiple claim 1-6, the pressure Force snesor (5) is set on two end faces of the partition (4), the pressure signal that the pressure sensor (5) will sense It exports to the input terminal of the wireless transmission mechanism, the output end of the wireless transmission mechanism is connected to server, the service Device position signal according to corresponding to dustbin is formulated optimal path and is exported to garbage recycling vehicle.
8. the Internet of things system of rubbish weighing and classification recycling according to claim 7, which is characterized in that rubbish weighing With the Internet of things system of classification recycling further include: weighing sensor (6), multiple weighing sensors (6) are set to described the On the bottom surface of the inside of one staving (1) and the second staving (2), and it is electrically connected to the input terminal of the wireless transmission mechanism, it will The weight signal sensed is exported to the input terminal of the wireless transmission mechanism.
CN201610896623.0A 2016-10-13 2016-10-13 The Internet of things system of dustbin and rubbish weighing and classification recycling Active CN107600772B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610896623.0A CN107600772B (en) 2016-10-13 2016-10-13 The Internet of things system of dustbin and rubbish weighing and classification recycling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610896623.0A CN107600772B (en) 2016-10-13 2016-10-13 The Internet of things system of dustbin and rubbish weighing and classification recycling

Publications (2)

Publication Number Publication Date
CN107600772A CN107600772A (en) 2018-01-19
CN107600772B true CN107600772B (en) 2018-12-07

Family

ID=61055516

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610896623.0A Active CN107600772B (en) 2016-10-13 2016-10-13 The Internet of things system of dustbin and rubbish weighing and classification recycling

Country Status (1)

Country Link
CN (1) CN107600772B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109649896B (en) * 2018-12-11 2021-10-26 湖北精功科技有限公司 Dustbin and rubbish management system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4867328A (en) * 1987-09-29 1989-09-19 Mccarthy Maureen M Sectionized trash receptacles
US5082139A (en) * 1989-03-20 1992-01-21 Waste-Not, Inc. Wastebasket divider
CN201545410U (en) * 2009-11-30 2010-08-11 张皓淇 Novel garbage treatment box
CN201932589U (en) * 2011-01-18 2011-08-17 王琼琼 Space adjustable dustbin
CN204507883U (en) * 2015-04-05 2015-07-29 西安航空学院 A kind of garbage classification system
CN105868856A (en) * 2016-04-01 2016-08-17 苏州玄禾物联网科技有限公司 Garbage recycling path optimization system based on internet of things

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4867328A (en) * 1987-09-29 1989-09-19 Mccarthy Maureen M Sectionized trash receptacles
US5082139A (en) * 1989-03-20 1992-01-21 Waste-Not, Inc. Wastebasket divider
CN201545410U (en) * 2009-11-30 2010-08-11 张皓淇 Novel garbage treatment box
CN201932589U (en) * 2011-01-18 2011-08-17 王琼琼 Space adjustable dustbin
CN204507883U (en) * 2015-04-05 2015-07-29 西安航空学院 A kind of garbage classification system
CN105868856A (en) * 2016-04-01 2016-08-17 苏州玄禾物联网科技有限公司 Garbage recycling path optimization system based on internet of things

Also Published As

Publication number Publication date
CN107600772A (en) 2018-01-19

Similar Documents

Publication Publication Date Title
CN206842237U (en) Intelligent garbage retracting device
DE102013209075A1 (en) Waste container with sensor arrangement and method for monitoring a waste container
CN205661911U (en) Intelligent solar energy classification garbage
CN204223603U (en) Solar energy intelligent community rubbish container robot
CN107600772B (en) The Internet of things system of dustbin and rubbish weighing and classification recycling
CN103449073A (en) Garbage bin
CN107364669A (en) Refuse disposal system and method
EP2022731A1 (en) Method for controlled disposal of refuse
CN107265025A (en) Intelligent garbage bin and its method of work
CN206857464U (en) A kind of intelligent garbage bin
CN105137823A (en) Adaptive intelligent garbage collection system
CN211686681U (en) Garbage classification collects colludes arm case
CN205381597U (en) Trash classification recycling device based on internet
CN205049877U (en) From adaptation intelligence refuse collection system
CN207917708U (en) Weighing type underground garbage bin
CN107985846A (en) Large size city garbage holding device
CN110641867A (en) Intelligent garbage can with automatic packaging function
CN111806923B (en) Intelligent resource recovery system
CN105857994B (en) Intelligent solar is classified garbage box monitored
CN211077163U (en) Intelligence dustbin based on Arduino
CN208932160U (en) A kind of sink garbage collection structure and the garbage collection system based on Internet of Things
CN105460468A (en) Intelligent airtight and deodorant rubbish can
CN207293181U (en) A kind of energy saving and environmental protection garbage bucket
CN103129867A (en) Dustbin
CN201942201U (en) Garbage compression equipment with charging function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant