CN206076355U - A kind of battery modules - Google Patents

A kind of battery modules Download PDF

Info

Publication number
CN206076355U
CN206076355U CN201621108282.8U CN201621108282U CN206076355U CN 206076355 U CN206076355 U CN 206076355U CN 201621108282 U CN201621108282 U CN 201621108282U CN 206076355 U CN206076355 U CN 206076355U
Authority
CN
China
Prior art keywords
plate
room
upper bracket
lower carriage
sides
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
CN201621108282.8U
Other languages
Chinese (zh)
Inventor
蔡志坚
贾忠贵
许浩
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 OptimumNano Energy Co Ltd
Original Assignee
Shenzhen OptimumNano Energy 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 OptimumNano Energy Co Ltd filed Critical Shenzhen OptimumNano Energy Co Ltd
Priority to CN201621108282.8U priority Critical patent/CN206076355U/en
Application granted granted Critical
Publication of CN206076355U publication Critical patent/CN206076355U/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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

A kind of battery modules, including some cells, upper bracket, lower carriage and multiple cylinder manifolds;Carrier parts are oppositely arranged and all include rack body, and the rack body of carrier parts is directed towards extension and forms multirow battery container unit;The centre position of the rack body of upper bracket is provided with the first room, and the centre position of the rack body of lower carriage is provided with the second room;The rack body of the carrier parts one side opposite with battery container unit has convexed to form multiple installing plates;Cylinder manifold includes cylinder manifold and lower cylinder manifold;Upper cylinder manifold includes a total positive plate, total negative plate, multiple upper rebounds and a series board;Lower cylinder manifold includes multiple lower rebounds;Total positive plate, total negative plate are located at upper bracket one end and are located at the first room both sides;Series board is located at upper bracket away from total positive plate, one end of total negative plate across the first room;Upper rebound is located at the both sides in the first room arranged adjacent;Lower rebound is located at the both sides in the second room arranged adjacent.

Description

A kind of battery modules
【Technical field】
This utility model is related to field of lithium ion battery, particularly a kind of battery modules.
【Background technology】
With support and popularization of the country to ev industry, electrokinetic cell and its group technology are rapidly sent out Exhibition opportunity.On the one hand battery modules require longer course continuation mileage as new energy supply, on the one hand require again to mitigate weight Amount, simplifies production process in groups, improves reliability.Currently in order to meeting use demand, it is often necessary to by multiple cells simultaneously Joint group is into a batteries in parallel connection module, then multiple batteries in parallel connection modules is together in series composition battery mould by cable or cylinder manifold Group.And the battery module structure for adopting at present, have the disadvantage that:1st, the attachment means such as substantial amounts of cable or cylinder manifold are needed, no Automated production is realized easily;2nd, need substantial amounts of screw, nut to be fastened, junction point is more, expend man-hour;3rd, substantial amounts of company Contact increased the impedance of the big current loop of battery modules, and caloric value increases, and efficiency is reduced;4th, between batteries in parallel connection module Connection needs more spaces, increases the volume of battery modules.
【Utility model content】
The purpose of this utility model is to provide a kind of battery modules, using new cell arrangement mode, and fully profit With the combining functions and linkage function of cylinder manifold, the use of connector is reduced, reduce the volume of battery modules.
To achieve these goals, this utility model provides a kind of battery modules, including some cells, upper bracket, Lower carriage and multiple cylinder manifolds;The cell is arranged side by side to form multiple batteries in parallel connection groups;The upper bracket and lower carriage It is oppositely arranged and all includes rack body, the upper bracket, the rack body of lower carriage are directed towards extension and form multirow being used for House the battery container unit of cell;The rack body of the upper bracket one side opposite with the battery container unit Centre position is provided with the first room, the centre of the opposite one side of the rack body of the lower carriage and the battery container unit Position is provided with the second room;The upper bracket, the rack body of the lower carriage one side opposite with the battery container unit is convex Rise and be formed with multiple installing plates;The cylinder manifold is fixed on the rack body of the upper bracket, lower carriage by the installing plate In the one side opposite with the battery container unit;The cylinder manifold includes cylinder manifold and lower cylinder manifold;The upper cylinder manifold Including a total positive plate, total negative plate, multiple upper rebounds and a series board;The lower cylinder manifold include it is multiple under Rebound;Total positive plate, total negative plate are located at described upper bracket one end and are located at first room both sides;The series connection Plate is located at the upper bracket away from total positive plate, one end of total negative plate across first room;The upper transition Plate is located at the both sides in the first room of the upper bracket arranged adjacent;The lower rebound is located at the second empty of the lower carriage The both sides of position arranged adjacent.
In a preferred embodiment, the installing plate of the upper bracket is symmetricly set on the both sides in first room, And when being projected on the lower carriage positioned at the lower carriage two neighboring installing plate centre position;The installation of the lower carriage Plate is symmetricly set on the both sides in second room, and two neighboring peace when being projected on the upper bracket positioned at the upper bracket The centre position of dress plate.
In a preferred embodiment, the upper rebound is located at both sides in the first room of the upper bracket adjacent Arrangement, wherein have two upper rebounds to be located at the first room both sides of the upper bracket and be disposed adjacent with the series board, also There are two upper rebounds to be located at the first room both sides of the upper bracket and be disposed adjacent with total positive plate, total negative plate.
In a preferred embodiment, it is located at when total positive plate, total negative plate are projected on the lower carriage described One end of lower carriage and in two lower rebounds of second room both sides;On each the adjacent border of rebound with it is right Answer installing plate contact and project to during the lower carriage in two adjacent lower rebounds;The series board projects to institute Two when stating lower carriage positioned at one end of the lower carriage and positioned at second room and second room both sides descended In cab apron.
In a preferred embodiment, the multirow battery container unit forms multiple battery container unit modules, institute State each battery container unit module and house a batteries in parallel connection group.
In a preferred embodiment, it is directed towards being convexly equipped with the rack body of the upper bracket, lower carriage multiple Symmetrical assembled portion, the assembled portion offer assembly hole.
In a preferred embodiment, the battery modules include end fixed plate;The end fixed plate includes bottom Plate and the side plate being connected with base plate, are arranged at intervals with multiple securing members on the side plate, the securing member includes fastening end and position In the fixed column of fastening end side, the fixed column be contained in the assembled portion of the upper bracket and lower carriage and with the assembling Portion is fixedly connected.
In a preferred embodiment, offer on the base plate for positioning the first fixed groove, the second groove And convex portion;First groove is located at one end of the end fixed plate, and the convex portion is located at the another of the end fixed plate End, second groove are located between first groove and the convex portion;First groove is relative with the lobe shape Should, second groove is semicircle;Location hole is offered on the convex portion.
In a preferred embodiment, signal acquiring board is fixedly mounted on first room of the upper bracket.
In a preferred embodiment, first room both sides are symmetrically arranged with two breach, described two breach On be respectively fixedly connected with a positive output terminals and a negative output terminals.
Advantageous Effects of the present utility model are:This utility model is proposed for the technological deficiency that prior art is present A kind of novel battery module, using new cell arrangement mode, and makes full use of the combining functions and connection work(of cylinder manifold Can, the use of connector is reduced, the volume of battery modules is reduced.
【Description of the drawings】
The three-dimensional combination figure of the battery modules that Fig. 1 is provided for this utility model.
Structure explosion diagrams of the Fig. 2 for battery modules shown in Fig. 1.
Fig. 3 is the cell layout viewing of the battery modules shown in Fig. 1.
Fig. 4 is the principle schematic diagram. of the battery modules shown in Fig. 1.
【Specific embodiment】
In order that the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with attached Figure and specific embodiment, are further elaborated to this utility model.It should be appreciated that described in this specification Specific embodiment is not intended to limit this utility model just for the sake of explaining this utility model.
As shown in Figures 1 to 4, this utility model provide a kind of battery modules 100, including some cells 10, on Support 20, lower carriage 30 and multiple cylinder manifolds 40.
For cylindrical shape and including positive pole and negative pole, the cell 10 is arranged side by side to form many cell 10 Individual batteries in parallel connection group 101, the both positive and negative polarity of the cell 10 of two neighboring batteries in parallel connection group 101 are oppositely positioned.The upper bracket 20 and lower carriage 30 be oppositely arranged and all include rack body 21, the rack body 21 of the upper bracket 20 and lower carriage 30 It is directed towards extending and forms multirow for housing the battery container unit 22 of cell 10, during the battery container unit 22 is Hollow cylinder shape;The multirow battery container unit 22 forms multiple different battery container unit modules 23, described each battery Accepting unit module 23 houses a batteries in parallel connection group 101.In the present embodiment, described each battery container unit module 23 Battery container unit 22 with same number.In each battery container unit 22, correspondence offers one through the rack body 21 through hole (not shown).
The centre position of the rack body 21 of the upper bracket 20 one side opposite with the battery container unit 22 is arranged There is the first room 24, on first room 24, fixedly mount signal acquiring board 50;The rack body 21 of the lower carriage 30 with The centre position of the opposite one side of the battery container unit 22 is provided with the second room 25.The rack body of the upper bracket 20 21 24 both sides of the first room are symmetrically arranged with two breach 26, are just being respectively fixedly connected with one on described two breach 26 Pole lead-out terminal 261 and a negative output terminals 262.
The upper bracket 20, the rack body 21 of the lower carriage 30 one side convex shaped opposite with the battery container unit 22 Into there is multiple installing plates 27.Specifically, the installing plate 27 of the upper bracket 20 is symmetricly set on the both sides in first room 24, And when being projected on the lower carriage 30 positioned at the lower carriage 30 two neighboring installing plate 27 centre position;The lower carriage 30 installing plate 27 is symmetricly set on the both sides in second room 25, and described upper is located at when being projected on the upper bracket 20 The centre position of the two neighboring installing plate 27 of frame 20.
Fig. 2 and Fig. 4 is referred to, the cylinder manifold 40 is fixed on the upper bracket 20, lower carriage by the installing plate 27 On 30 rack body 21, and in the one side opposite with the battery container unit 22 of the rack body 21 and with it is described One end of batteries in parallel connection group 101 is electrically connected with.Specifically, the cylinder manifold 40 include being fixed on the upper bracket 20 on conflux Plate 41 and it is fixed on the lower cylinder manifold 42 of the lower carriage 30.The upper cylinder manifold 41 includes that a total positive plate 411, is total Negative plate 412, multiple rebounds 413 and a series board 414.The lower cylinder manifold 42 includes multiple lower rebounds 421.Its In, total positive plate 411, total negative plate 412 are located at 20 one end of the upper bracket and are located at 24 both sides of the first room.Institute Series board 414 is stated positioned at the upper bracket 20 away from total positive plate 411, one end of total negative plate 412 across described the One room 24.The upper rebound 413 is located at the both sides in the first room 24 of the upper bracket 20 arranged adjacent, wherein having two Individual upper rebound 413 is located at 24 both sides of the first room and is disposed adjacent with the series board 414, also two upper rebounds 413 are located at 24 both sides of the first room and are disposed adjacent with total positive plate 411, total negative plate 412.The lower rebound The both sides in 421 the second rooms 25 for being located at the lower carriage 30 arranged adjacent.Total positive plate 411, total negative plate 412 are thrown Shadow is when the lower carriage 30 positioned at one end of the lower carriage 30 and positioned at two lower transition of 25 both sides of the second room In plate 421.On each, the adjacent border of rebound 413 is contacted with corresponding installing plate 27 and is projected to position during the lower carriage 30 In two adjacent lower rebounds 421.Positioned at the lower carriage 30 when the series board 414 projects to the lower carriage 30 One end and in two lower rebounds 421 of second room 25 and 25 both sides of the second room.
It is directed towards being convexly equipped with multiple symmetrical assembled portions on the upper bracket 20, the rack body 21 of lower carriage 30 28, the assembled portion 28 offers assembly hole 281.The battery modules 100 also include end fixed plate 60;The end is fixed The side plate 62 that plate 60 is included base plate 61 and is connected with base plate 61, is arranged at intervals with multiple securing members 63 on the side plate 62, described Securing member 63 includes fastening end 64 and the fixed column 65 positioned at 64 side of fastening end, and the fixed column 65 is contained in the upper bracket 20 are fixedly connected with the assembled portion 28 of lower carriage 30 and with assembled portion 28.In the present embodiment, the securing member 63 is T Type;The fixed column 65 is rectangular-shape, and the opposite surface of the fixed column 65 offers two screw (not shown);Screw leads to Cross the screw and the assembly hole 281 upper bracket 20, lower carriage 30 and the end fixed plate 60 are fixed together.
Offer on the base plate 61 for positioning the first fixed groove 66, the second groove 67 and convex portion 68;Described One groove 66 is located at one end of the end fixed plate 60, and the convex portion 68 is located at the other end of the end fixed plate 60, institute State the second groove 67 to be located between first groove 66 and the convex portion 68;First groove 66 and 68 shape of the convex portion Corresponding, second groove 67 is semicircle;Location hole 69 is offered on the convex portion 68.
During assembling, the upper bracket 20 and the lower carriage 30 are relatively arranged on into the two ends of the cell 10, institute State in the battery container unit 22 that cell 10 is contained on the rack body 21, and the cell 10 is in the electricity Pond accepting unit 22 is arranged side by side to form multiple batteries in parallel connection groups 101, the cell 10 of two neighboring batteries in parallel connection group 101 Both positive and negative polarity is oppositely positioned, and the two ends of two neighboring batteries in parallel connection group 101 are through the through hole in the battery container unit 22 It is electrically connected with the upper cylinder manifold 41 and lower cylinder manifold 42;By the above-mentioned arrangement of the upper cylinder manifold 41 and lower cylinder manifold 42 All batteries in parallel connection groups 101 directly directly can be connected by mode, it is not necessary to increase other and be electrically connected with part.
Then, end fixed plate 60 is positioned between the upper bracket 20 and lower carriage 30, and fixes the end The two ends of the fixed column 65 on plate 60 are housed in the assembled portion 28 of the upper bracket 20 and lower carriage 30 respectively, and screw passes through institute State screw and the fixed column 65 is fixedly connected with the assembled portion 28 by the assembly hole 281.Then in first room The 24 fixed installations signal acquiring board 60, connects a positive output terminals 261 and one respectively in described two breach 26 Negative output terminals 262.Finally by the convex portion 68 in the end fixed plate 60 of the battery modules 100 and adjacent cell module 66 complementary assembling of the first groove in 100 end fixed plate 60, and in the end fixed plate 60 of the battery modules 100 Second groove 67 is corresponding with the second groove 67 in the end fixed plate 60 of adjacent cell module 100, and is passed through by screw The second groove 67 in the end fixed plate 60 of adjacent cell module 100 makes adjacent cell module 100 be fixed together, and leads in addition Cross screw two neighboring battery modules 100 to be fixed on battery case through location hole 69.
This utility model is by adopting new cell arrangement mode, and makes full use of combining functions and the company of cylinder manifold Connection function, so as to reduce the use of connector, reduces the volume of battery modules.
This utility model is not restricted to described in description and embodiment, therefore for the personnel of familiar field For be easily achieved additional advantage and modification, therefore in the general concept limited without departing substantially from claim and equivalency range Spirit and scope in the case of, this utility model be not limited to specific details, representational equipment and shown here as with retouch The examples shown stated.

Claims (10)

1. a kind of battery modules, it is characterised in that:Including some cells, upper bracket, lower carriage and multiple cylinder manifolds;It is described Cell is arranged side by side to form multiple batteries in parallel connection groups;The upper bracket and lower carriage are oppositely arranged and all include support master Body, the upper bracket, the rack body of lower carriage are directed towards extending forming multirow for housing the battery container of cell Unit;It is empty that the centre position of the rack body of the upper bracket one side opposite with the battery container unit is provided with first Position, the centre position of the rack body of the lower carriage one side opposite with the battery container unit is provided with the second room; The upper bracket, the rack body of the lower carriage one side opposite with the battery container unit has convexed to form multiple installing plates;
The cylinder manifold is fixed on the upper bracket, the rack body of lower carriage with the battery container list by the installing plate In the opposite one side of unit;The cylinder manifold includes cylinder manifold and lower cylinder manifold;The upper cylinder manifold include a total positive plate, One total negative plate, multiple upper rebounds and a series board;The lower cylinder manifold includes multiple lower rebounds;Total positive pole Plate, total negative plate are located at described upper bracket one end and are located at first room both sides;The series board is located at the upper bracket Away from total positive plate, one end of total negative plate across first room;The upper rebound is located at the upper bracket The first room both sides and arranged adjacent;The lower rebound is located at the both sides in the second room of the lower carriage adjacent row Row.
2. battery modules as claimed in claim 1, it is characterised in that:The installing plate of the upper bracket is symmetricly set on described The both sides in one room, and when being projected on the lower carriage positioned at the lower carriage two neighboring installing plate centre position;Institute The installing plate for stating lower carriage is symmetricly set on the both sides in second room, and described upper is located at when being projected on the upper bracket The centre position of the two neighboring installing plate of frame.
3. battery modules as claimed in claim 2, it is characterised in that:The upper rebound is located at the first empty of the upper bracket The both sides of position arranged adjacent, wherein there is two upper rebounds to be located at the first room both sides of the upper bracket and connect with described Plate is disposed adjacent, also two upper rebounds be located at the first room both sides of the upper bracket and with total positive plate, total negative Pole plate is disposed adjacent.
4. battery modules as claimed in claim 3, it is characterised in that:Total positive plate, total negative plate be projected on it is described under During support positioned at one end of the lower carriage and in two lower rebounds of second room both sides;Rebound on each Adjacent border contact with corresponding installing plate and project to during the lower carriage in two adjacent lower rebounds;It is described Positioned at one end of the lower carriage and second room and second room are located at when series board projects to the lower carriage In two lower rebounds of both sides.
5. battery modules as claimed in claim 1, it is characterised in that:The multirow battery container unit forms multiple batteries and receives Hold unit module, described each battery container unit module houses a batteries in parallel connection group.
6. battery modules as claimed in claim 1, it is characterised in that:Direction on the upper bracket, the rack body of lower carriage Other side is convexly equipped with multiple symmetrical assembled portions, and the assembled portion offers assembly hole.
7. battery modules as claimed in claim 6, it is characterised in that:The battery modules include end fixed plate;The end The side plate that portion's fixed plate is included base plate and is connected with base plate, is arranged at intervals with multiple securing members, the securing member on the side plate Including fastening end and the fixed column positioned at fastening end side, the fixed column is contained in the assembled portion of the upper bracket and lower carriage It is interior and be fixedly connected with the assembled portion.
8. battery modules as claimed in claim 7, it is characterised in that:Offer on the base plate for positioning fixed first Groove, the second groove and convex portion;First groove is located at one end of the end fixed plate, and the convex portion is located at the end The other end of fixed plate, second groove are located between first groove and the convex portion;First groove with it is described Lobe shape is corresponding, and second groove is semicircle;Location hole is offered on the convex portion.
9. battery modules as claimed in claim 1, it is characterised in that:Fixedly mount on first room of the upper bracket Signal acquiring board.
10. battery modules as claimed in claim 1, it is characterised in that:First room both sides are symmetrically arranged with two and lack Mouthful, a positive output terminals and a negative output terminals are respectively fixedly connected with described two breach.
CN201621108282.8U 2016-10-10 2016-10-10 A kind of battery modules Active CN206076355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621108282.8U CN206076355U (en) 2016-10-10 2016-10-10 A kind of battery modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621108282.8U CN206076355U (en) 2016-10-10 2016-10-10 A kind of battery modules

Publications (1)

Publication Number Publication Date
CN206076355U true CN206076355U (en) 2017-04-05

Family

ID=58441983

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621108282.8U Active CN206076355U (en) 2016-10-10 2016-10-10 A kind of battery modules

Country Status (1)

Country Link
CN (1) CN206076355U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023028760A1 (en) * 2021-08-30 2023-03-09 宁德时代新能源科技股份有限公司 Battery module, battery and assembly method therefor, assembly apparatus, and electric device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023028760A1 (en) * 2021-08-30 2023-03-09 宁德时代新能源科技股份有限公司 Battery module, battery and assembly method therefor, assembly apparatus, and electric device
US11870090B2 (en) 2021-08-30 2024-01-09 Contemporary Amperex Technology Co., Limited Battery module, battery and assembling method and device thereof, and electrical apparatus

Similar Documents

Publication Publication Date Title
CN103201879B (en) Battery pack having a compact structure
CN101346832B (en) Frame member and battery pack employed with the same
CN101820053B (en) Battery pack spacer
CN102054950B (en) Battery module and battery pack including the battery module
CN102655227B (en) Power battery pack
CN105917495A (en) Battery module assembly comprising unit modules
KR20120055158A (en) Bus bar assembly of novel structure
CN109301125A (en) Electri forklift battery module structure and battery pack
CN106104855B (en) Battery module including the voltage sensing component with receptacle structure
CN106207045A (en) A kind of battery modules
CN107452933A (en) A kind of soft package lithium battery module and insulation assembly and power module
CN107706325A (en) Power module and vehicle
CN206471387U (en) A kind of battery module structure
CN104576994A (en) Battery grouping structure and battery pack comprising same
CN106684300A (en) Electric connection tray and battery core module structure comprising same
CN204029911U (en) Power battery box and PCB keyset thereof
CN206076355U (en) A kind of battery modules
CN214505583U (en) BMS installation module, battery module and battery package
CN206742341U (en) A kind of battery bag vibration proof structure
CN207368042U (en) A kind of battery modules
CN110492049A (en) Battery and battery pack
CN207068976U (en) Battery modules and battery component
CN107394082B (en) Universal module structure for square battery cell
CN206558594U (en) A kind of battery module structure
CN206076301U (en) Electric automobile chassis device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PP01 Preservation of patent right

Effective date of registration: 20180428

Granted publication date: 20170405

PP01 Preservation of patent right
PD01 Discharge of preservation of patent

Date of cancellation: 20210428

Granted publication date: 20170405

PD01 Discharge of preservation of patent
PP01 Preservation of patent right

Effective date of registration: 20210428

Granted publication date: 20170405

PP01 Preservation of patent right