CN104659304A - Electronic equipment and battery connecting method - Google Patents
Electronic equipment and battery connecting method Download PDFInfo
- Publication number
- CN104659304A CN104659304A CN201510072537.3A CN201510072537A CN104659304A CN 104659304 A CN104659304 A CN 104659304A CN 201510072537 A CN201510072537 A CN 201510072537A CN 104659304 A CN104659304 A CN 104659304A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- pole ear
- battery pole
- electronic equipment
- contact area
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses electronic equipment and a battery connecting method. The electronic equipment comprises a circuit board, a battery and a laminating rib, wherein the circuit board is provided with a contact region; the battery is provided with a battery lug; the laminating rib is constructed to press the battery lug to the contact region. According to the electronic equipment disclosed by the embodiment of the invention, a welding process is not required, the space on the circuit board is saved, meanwhile, the assembly simplicity is achieved, and the cost is lowered.
Description
Technical field
The present invention relates to electronics field, especially relate to a kind of electronic equipment and cell connecting method.
Background technology
The connection conducting of the battery in correlation technique and circuit board has several mode, one is that battery extends loose wire and welding circuit board realizes conducting, another kind is that battery pole ear and welding circuit board realize conducting, one is also had to be circuit board adopts surface mounting technology be connected with components and parts, battery is by the conducting with components and parts thus realize and the conducting of circuit board, first two mode all needs welding procedure, welding procedure is time-consuming, and have specific requirement to the space of circuit board, be unfavorable for the miniaturization of product.Last a kind of mode, can increase extra components and parts, increases cost.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.
For this reason, the present invention proposes a kind of electronic equipment, does not need welding procedure, has saved the space on circuit board, has reduced cost.
The present invention also proposes a kind of cell connecting method.
According to the electronic equipment of the embodiment of the present invention, comprising: circuit board, described circuit board has contact area; Battery, described battery has battery pole ear; Pressed rib, described pressed rib is configured to described battery pole ear to be pressed on described contact area.
According to the electronic equipment of the embodiment of the present invention, do not need welding procedure, saved the space on circuit board, realize the brief of assembling simultaneously, and reduce cost.
In some embodiments of the invention, described pressed rib is formed as the bulge-structure that is located on the shell of described electronic equipment.
According to some embodiments of the present invention, described circuit board is provided with groove, one of them sidewall of described groove is provided with described contact area, described battery pole ear to extend in described groove and is fitted on described contact area, and described pressed rib to be located in described groove and to contact with described battery pole ear.
Further, described groove runs through described circuit board on the thickness direction of described circuit board.
According to a further embodiment of the invention, conducting resinl is provided with between described battery pole ear and described contact area.
In some embodiments of the invention, described pressed rib is independent parts.
In a particular embodiment of the present invention, the surface that described pressed rib contacts with described battery pole ear is plane.
Particularly, described battery pole ear is located on the contact area on the sidewall of described circuit board or front.
Further, described battery pole ear is located on the contact area on the sidewall of described circuit board, and the part contacted with described battery pole ear of described contact area is formed as the circular arc inwardly concaved.
According to the cell connecting method of the embodiment of the present invention, pressed rib is adopted to be pressed on the contact area of circuit board by battery pole ear.
According to the cell connecting method of the embodiment of the present invention, by adopting above-mentioned steps to be fixed on circuit boards by battery pole ear, thus not needing welding procedure, having saved the space on circuit board, having realized the brief of assembling simultaneously, and reduce cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electronic equipment according to an embodiment of the invention;
Fig. 2 is the section enlarged diagram in A-A direction in Fig. 1;
Fig. 3 is the schematic diagram of electronic equipment in accordance with another embodiment of the present invention;
Fig. 4 is schematic diagram when pressed rib coordinates with battery pole ear in the electronic equipment shown in Fig. 3;
Fig. 5 is according to the schematic diagram being provided with the shell of pressed rib in the electronic equipment of the embodiment of the present invention;
Fig. 6 is the schematic diagram of the electronic equipment according to another embodiment of the present invention;
Fig. 7 is the schematic diagram of another angle of the electronic equipment shown in Fig. 6;
Fig. 8 is the enlarged diagram of part B in Fig. 7;
Fig. 9 is the profile of the electronic equipment shown in Fig. 6;
Figure 10 is the flow chart of the cell connecting method according to the embodiment of the present invention.
Reference numeral:
Electronic equipment 100,
Shell 1,
Circuit board 2, groove 20,
Battery 3, battery pole ear 30,
Pressed rib 4.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Describe the electronic equipment 100 according to the embodiment of the present invention in detail below with reference to Fig. 1-Fig. 9, wherein electronic equipment 100 can be any equipment being provided with battery 3 and circuit board 2 such as key devices.Wherein key devices can for possessing the mini-plant of electronic signature, certificate verification and/or encryption and decryption functions.
According to the electronic equipment 100 of the embodiment of the present invention, comprising: circuit board 2, battery 3 and pressed rib 4, be understandable that, electronic equipment 100 also comprises shell 1 and other components and parts, limits container cavity in shell 1.
Wherein, circuit board 2 is located in container cavity, and circuit board 2 has contact area, is understandable that, contact area is generally copper facing region.It will also be appreciated that simultaneously, the general front surface being used for arranging electronic component of circuit board 2 being called circuit board 2, the surface parallel with thickness direction of circuit board 2 is called the sidewall of circuit board 2, the surface maximum by the area on circuit board 2 is called front.
Battery 3 has battery pole ear 30.Pressed rib 4 is configured to battery pole ear 30 to be pressed on the contact area of circuit board 2.Wherein be understandable that, battery pole ear 30 should be electrically connected with contact area, and when being provided with medium between battery pole ear 30 and contact area, this medium should be electric-conductor.Such as in examples more of the present invention, between the contact area of battery pole ear 30 and circuit board 2, be provided with conducting resinl, thus the reliability of the contact between battery pole ear 30 and circuit board 2 can be ensured.
Particularly, battery pole ear 30 can be crushed on the contact area on the sidewall of circuit board 2 or front, that is, on the sidewall that contact area can be positioned at circuit board 2 or front, on the sidewall that battery pole ear 30 is pressed in circuit board 2 by pressed rib 4 or front.As Figure 2-Figure 5, battery pole ear 30 is located on the front of circuit board 2, and as shown in Fig. 6-Fig. 9, battery pole ear 30 is located on the sidewall of circuit board 2.
In other words, when battery 3 is electrically connected with circuit board 2, first the battery pole ear 30 of battery 3 is placed on circuit board 2 or pressed rib 4, then adopt pressed rib 4 battery pole ear 30 is pressed on the contact area of circuit board 2, achieve battery pole ear 30 is fixed on circuit board 2 contact area on the object making battery 3 be electrically connected with circuit board 2.
Need to be described, pressed rib 4 can be any structure, as long as battery pole ear 30 can be pressed on the circuit board 2.Such as pressed rib 4 can be formed as the bulge-structure (as shown in Figure 5) be located on shell 1, in this case, can first battery pole ear 30 be placed on the contact area of circuit board 2, and then the circuit board 2 being provided with battery pole ear 30 is coordinated with shell 1, battery pole ear 30 is pressed on the circuit board 2 by the bulge-structure on shell 1.
Or pressed rib 4 can also be independent parts such as projection, then or pressed rib 4 can also be other components and parts original in electronic equipment 100.Wherein when pressed rib 4 is independent parts, shell can be adopted to contact to locate pressed rib 4 with pressed rib 4, can certainly understand, other elements being positioned at container cavity can also be adopted to contact to locate pressed rib 4 with pressed rib 4.
When pressed rib 4 is independent parts, can first battery pole ear 30 be located on contact area or pressed rib 4, then pressed rib 4 is placed on the circuit board 2 so that battery pole ear 30 is pressed on contact area, finally adopt shell or other elements to contact to locate pressed rib 4 with pressed rib 4.Wherein locate the one-movement-freedom-degree that pressed rib 4 refers to restriction pressed rib 4, avoid pressed rib 4 to move.
What also need to be described is, shell 1 generally comprises dismountable base and upper cover, base and upper cover cooperation limit container cavity, when pressed rib 4 is formed as being located at the bulge-structure on shell 1, pressed rib 4 should be arranged on upper cover or base, thus when upper cover and base assembling, pressed rib 4 is pressed on battery pole ear 30.
According to the electronic equipment 100 of the embodiment of the present invention, battery pole ear 30 pressed fixed form on the circuit board 2 by adopting pressed rib 4, achieve fixing for battery pole ear 30 object on the circuit board 2, do not need welding procedure, save the space on circuit board 2, realize the brief of assembling simultaneously, and reduce cost.
As shown in Figure 3 and Figure 4, in some embodiments of the invention, circuit board 2 is provided with groove 20, and one of them sidewall of groove 20 is provided with contact area, battery pole ear 30 to extend in groove 20 and is fitted on contact area, and pressed rib 4 to be located in groove 20 and to contact with battery pole ear 30.In other words, extend into after battery pole ear 30 is bent in groove 20, and the contact area on the sidewall making battery pole ear 30 contact in groove 20, realize the conducting between battery pole ear 30 and circuit board 2, then pressed rib 4 is arranged on battery pole ear 30 is pressed on the contact area on the sidewall of groove 20 in groove 20, ensures the reliability of the contact between battery pole ear 30 and contact area.Preferably, when pressed rib 4 is located in groove 20 and other sidewall contacts of groove 20, thus the reliability of the contact between battery pole ear 30 and contact area can be improved further.
Wherein, when on the sidewall that battery pole ear 30 is located at circuit board 2, groove 20 inwardly concaves from the sidewall of circuit board 2, when on the front that battery pole ear 30 is located at circuit board 2, and groove 20 being just recessed into facing to the back side of circuit board 2 from circuit board 2.
Further, as shown in Figure 4, groove 20 runs through circuit board 2 on the thickness direction of circuit board 2.Thus be convenient to pressed rib 4 and be assemblied in groove 20.In the example of fig. 4, two end faces of pressed rib 4 on the thickness direction of circuit board 2 extend beyond two surfaces of circuit board 2 respectively, thus ensure the pressing effect of pressed rib 4.
As depicted in figs. 1 and 2, in other embodiments of the present invention, circuit board 2 is not provided with groove, and battery pole ear 30 is located on the front surface of circuit board 2, to be pressed on the circuit board 2 by battery pole ear 30 on the surface that pressed rib 4 is placed on battery pole ear 30.
In some embodiments more of the present invention, as shown in Fig. 6-Fig. 9, battery pole ear 30 is crushed on the contact area on the sidewall of circuit board 2, and the part contacted with battery pole ear 30 of contact area is formed as the circular arc inwardly concaved.Thus the contact area of battery pole ear 30 and contact area can be increased.
In a particular embodiment of the present invention, as shown in Fig. 1-Fig. 9, the surface that pressed rib 4 contacts with battery pole ear 30 is plane, thus further increases the pressing effect of pressed rib 4.
Describe the cell connecting method according to the embodiment of the present invention in detail below with reference to Figure 10, this cell connecting method can be applied in the various design needing battery to be connected with circuit board.
As shown in Figure 10, according to the cell connecting method of the embodiment of the present invention, pressed rib is adopted to be pressed on the contact area of circuit board by battery pole ear.
Particularly, can comprise the steps: according to the cell connecting method of the embodiment of the present invention
S1: be placed on the contact area of circuit board by the battery pole ear of battery, wherein battery pole ear can be placed on the contact area on the sidewall of circuit board or front.
S2: adopt pressed rib by battery pole ear pressure on circuit boards, battery pole ear is fixed on the contact area of circuit board.
What needs were described is, when circuit board not being provided with groove, only battery pole ear need be placed on the sidewall of circuit board or the contact area of front surface in step sl, then in step s 2 pressed rib be placed on battery pole ear with by battery pole ear pressure on circuit boards.In this case, pressed rib can, for being located at the bulge-structure of shell, can also be original components and parts in electronic equipment, or is independent parts but contacts with the original components and parts in shell or electronic equipment.
When circuit board being provided with groove, to extend in groove after needing battery pole ear to bend in step sl and battery pole ear is contacted with the contact area on one of them sidewall of groove, then pressed rib being placed in groove so that battery pole ear is pressed on contact area in step s 2.In this case, pressed rib can, for being located at the bulge-structure of shell, can also be original components and parts in electronic equipment, or is independent parts.
According to the cell connecting method of the embodiment of the present invention, by adopting above-mentioned steps to be fixed on circuit boards by battery pole ear, thus not needing welding procedure, having saved the space on circuit board, having realized the brief of assembling simultaneously, and reduce cost.
In further embodiment of the present invention, in step sl, conducting resinl can also be smeared between battery pole ear and the contact area of circuit board, to improve the contact reliability between battery pole ear and circuit board.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. an electronic equipment, is characterized in that, comprising:
Circuit board, described circuit board has contact area;
Battery, described battery has battery pole ear;
Pressed rib, described pressed rib is configured to described battery pole ear to be pressed on described contact area.
2. electronic equipment according to claim 1, is characterized in that, described pressed rib is formed as the bulge-structure be located on the shell of described electronic equipment.
3. electronic equipment according to claim 1, it is characterized in that, described circuit board is provided with groove, one of them sidewall of described groove is provided with described contact area, described battery pole ear to extend in described groove and is fitted on described contact area, and described pressed rib to be located in described groove and to contact with described battery pole ear.
4. electronic equipment according to claim 3, is characterized in that, described groove runs through described circuit board on the thickness direction of described circuit board.
5. electronic equipment according to claim 1, is characterized in that, is provided with conducting resinl between described battery pole ear and described contact area.
6. electronic equipment according to claim 1, is characterized in that, described pressed rib is independent parts.
7. electronic equipment according to claim 1, is characterized in that, the surface that described pressed rib contacts with described battery pole ear is plane.
8. the electronic equipment according to any one of claim 1-7, is characterized in that, described battery pole ear is crushed on the contact area on the sidewall of described circuit board or front.
9. electronic equipment according to claim 8, is characterized in that, described battery pole ear is crushed on the contact area on the sidewall of described circuit board, and the part contacted with described battery pole ear of described contact area is formed as the circular arc inwardly concaved.
10. a cell connecting method, is characterized in that, adopts pressed rib to be pressed on the contact area of circuit board by battery pole ear.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072537.3A CN104659304B (en) | 2015-02-11 | 2015-02-11 | Electronic equipment and cell connecting method |
| CN201711341085.XA CN108281599B (en) | 2015-02-11 | 2015-02-11 | Electronic device and battery connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072537.3A CN104659304B (en) | 2015-02-11 | 2015-02-11 | Electronic equipment and cell connecting method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711341085.XA Division CN108281599B (en) | 2015-02-11 | 2015-02-11 | Electronic device and battery connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659304A true CN104659304A (en) | 2015-05-27 |
| CN104659304B CN104659304B (en) | 2018-01-09 |
Family
ID=53250191
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510072537.3A Active CN104659304B (en) | 2015-02-11 | 2015-02-11 | Electronic equipment and cell connecting method |
| CN201711341085.XA Active CN108281599B (en) | 2015-02-11 | 2015-02-11 | Electronic device and battery connection method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711341085.XA Active CN108281599B (en) | 2015-02-11 | 2015-02-11 | Electronic device and battery connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104659304B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574070A (en) * | 2018-03-16 | 2018-09-25 | 河北中兴汽车制造有限公司 | A kind of installation fixed structure of soft-package battery module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274302Y (en) * | 2008-09-17 | 2009-07-15 | 深圳市比克电池有限公司 | Clip for battery assembly |
| CN102569712A (en) * | 2012-02-06 | 2012-07-11 | 福建师范大学 | Connecting member consisting of concave slot type aluminum polar lug and circuit board conducting strip |
| CN202454643U (en) * | 2012-02-06 | 2012-09-26 | 福建师范大学 | Step type connecting part comprising aluminum tab and circuit board conducting strip |
| CN203588857U (en) * | 2013-11-28 | 2014-05-07 | 浙江皇冠电动工具制造有限公司 | Switching device for electric tool |
| CN203659970U (en) * | 2013-12-04 | 2014-06-18 | 微宏动力系统（湖州）有限公司 | Battery module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5710287B2 (en) * | 2010-03-15 | 2015-04-30 | セイコーインスツル株式会社 | Electrochemical cell with terminal and manufacturing method thereof |
| CN202601761U (en) * | 2012-02-06 | 2012-12-12 | 福建师范大学 | Z-back shaped aluminum plating lug |
-
2015
- 2015-02-11 CN CN201510072537.3A patent/CN104659304B/en active Active
- 2015-02-11 CN CN201711341085.XA patent/CN108281599B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274302Y (en) * | 2008-09-17 | 2009-07-15 | 深圳市比克电池有限公司 | Clip for battery assembly |
| CN102569712A (en) * | 2012-02-06 | 2012-07-11 | 福建师范大学 | Connecting member consisting of concave slot type aluminum polar lug and circuit board conducting strip |
| CN202454643U (en) * | 2012-02-06 | 2012-09-26 | 福建师范大学 | Step type connecting part comprising aluminum tab and circuit board conducting strip |
| CN203588857U (en) * | 2013-11-28 | 2014-05-07 | 浙江皇冠电动工具制造有限公司 | Switching device for electric tool |
| CN203659970U (en) * | 2013-12-04 | 2014-06-18 | 微宏动力系统（湖州）有限公司 | Battery module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574070A (en) * | 2018-03-16 | 2018-09-25 | 河北中兴汽车制造有限公司 | A kind of installation fixed structure of soft-package battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108281599B (en) | 2020-09-15 |
| CN104659304B (en) | 2018-01-09 |
| CN108281599A (en) | 2018-07-13 |
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