CN108198883A - A kind of double glass crystal silicon solar battery components with snow melting function - Google Patents
A kind of double glass crystal silicon solar battery components with snow melting function Download PDFInfo
- Publication number
- CN108198883A CN108198883A CN201810164115.2A CN201810164115A CN108198883A CN 108198883 A CN108198883 A CN 108198883A CN 201810164115 A CN201810164115 A CN 201810164115A CN 108198883 A CN108198883 A CN 108198883A
- Authority
- CN
- China
- Prior art keywords
- glass
- crystal silicon
- solar battery
- snow melting
- silicon solar
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 83
- 238000002844 melting Methods 0.000 title claims abstract description 17
- 230000008018 melting Effects 0.000 title claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000013078 crystal Substances 0.000 title claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 16
- 239000010703 silicon Substances 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000007761 roller coating Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000002045 lasting effect Effects 0.000 abstract description 4
- 239000005413 snowmelt Substances 0.000 abstract description 3
- 238000010257 thawing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000005329 float glass Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
- H02S40/12—Means for removing snow
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of double glass crystal silicon solar battery components with snow melting function, including glass front plate, the first encapsulated layer, solar cell, the second encapsulated layer and the glass back plate being sequentially arranged from top to bottom, the conductive structure being connected with external circuit structure is provided on the glass front plate inner surface and/or outer surface.The conductive structure includes silk-screen in multiple metal wire sections on glass front plate inner surface and/or outer surface, and multiple metal wire sections are serially connected and/or formation metallic conduction circuit in parallel.The conductive structure includes the transparent conductive film being set on glass front plate inner surface and/or outer surface.Solar cell module surface temperature increases in the present invention, has lasting thawing, therefore the solar cell module of the present invention has good snow melt ability to accumulated snow and lasting snowfall, constantly improve solar cell module is in the generated energy of snowfall larger area.
Description
Technical field
The invention belongs to photovoltaic cell technical fields, and in particular to a kind of double glass crystal silicon solars with snow melting function
Battery component.
Background technology
Snowfall is big under the regional winter such as Hokkaido, Japan, Northeast China, Inner Mongol, and the time of snowing is long, photovoltaic module table
For a long time by snow and ice cover, component has that the several months cannot generate electricity, and will substantially reduce the hair of photovoltaic module and photovoltaic system in face
Electricity.Photovoltaic module does not have snow melting function at present, when snowing, photovoltaic module surface accumulated snow gradually, photovoltaic module surface by
It is gradually blocked by accumulated snow, with the increase of shielded area, photovoltaic module generated energy is almost nil.
It is influenced by temperature from component itself, since above-mentioned extremely cold area temperature is low, it is high that photovoltaic module has comparison
Generated energy exports, and has a large amount of surface power station, roof photovoltaic power station demand in these areas, if it is possible to solve surface snow melt
Problem, it will greatly promote the generated energy of photovoltaic system.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of double glass crystal silicon solar energy battery groups with snow melting function
Part can melt the accumulated snow being covered on solar cell module, improve the generated energy of photovoltaic system.
The technical scheme is that：
A kind of double glass crystal silicon solar battery components with snow melting function, including the glass being sequentially arranged from top to bottom
Foreboard, the first encapsulated layer, solar cell, the second encapsulated layer and glass back plate, the glass front plate and/or glass back plate table
The conductive structure being connected with external circuit structure is provided on face.
It is provided on the surface of glass front plate and/or glass back plate in the present invention and is led with what external circuit structure was connected
Electric structure, external circuit structure provide voltage and electric current for conductive structure, conductive structure are made to generate heat, the heat that conductive structure generates
Amount is by conduction so that glass front plate surface temperature increases, so as to melt the accumulated snow for being covered in glass front plate surface.Wherein this hair
Bright middle conductive structure can be set to the glass front plate either inner surface of glass back plate or outer surface, can also in inner surface and
It is respectively provided on outer surface.
In the present invention there are many structure types of conductive structure, preferably, the conductive structure includes silk-screen in glass
Multiple metal wire sections on foreboard and/or glass back plate surface, multiple metal wire sections are serially connected and/or the metal in parallel that formed is led
Circuit.Glass front plate can be energy ultrawhite figured glass or float glass in the present invention, i.e. metal wire sections can be super white patterned
The tin face and non-tin face of glass or float glass, corresponding when being packaged with component, metal wire sections can be in packaging adhesive film side
Or in air side.
Preferably, the conductive structure further includes that multiple metal wire sections converge to form leading for metallic conduction circuit
Goddess of lightning's line and the electrode outlet line being connected with busbar.Metal wire sections can be in that definite shape is arranged in glass surface,
Converge the metallic conduction circuit to form series connection or parallel connection via busbar, is finally drawn by one or more electrode outlet lines
Go out, provide voltage and current by external circuits structure, metal wire sections is made to generate heat.
Metallic conduction circuit can be in parallel or series connection in the present invention, and as further preferred, the metal is led
Circuit is parallel connection.
There are many connection modes in the present invention in parallel and serial, such as when for metallic conduction circuit in parallel, the present invention
In a plurality of metal wire sections can be arranged parallel, the both ends of metal wire sections are converged respectively by busbar so that a plurality of metal
Line segment is parallel with one another, then sets electrode outlet line on the busbar at both ends respectively.Wherein metal wire sections can be 30,
The width of metal wire sections can be 0.5mm, and thickness is 10~20 μm；The width of busbar can from one section towards the other end by
Decrescence small, such as width is decreased to 5mm from 10mm, the width of electrode outlet line is 20mm, thickness 0.25mm, metallic conduction electricity
The voltage value on road can be 24V, and prime power is in 300W or so.
Metal wire sections can be made of various metals in the present invention, preferably, the metal wire sections for silver paste line segment or
Aluminium paste line segment.The present invention can form metallic conduction circuit by silver paste or aluminium paste silk-screen in glass front plate.
Preferably, the conductive structure transparent leading of including being set on the surface of glass front plate and/or glass back plate
Electrolemma.Conductive structure in the present invention can also be to plate layer of transparent conductive film in glass front plate and/or glass back plate surface,
Middle coating process can be to process on original sheet glass.By being powered to transparent conductive film, transparent conductive film is generated heat after energization, is generated
Heat by conduction so that glass front plate surface temperature raising, so as to melt the accumulated snow for being covered in glass front plate surface.
Transparent conductive film can be set in glass front plate in several ways in the present invention, preferably, described transparent
Conductive film is set to by way of magnetron sputtering, printing, roller coating or dip-coating on glass front plate or glass back plate surface.Wherein glass
Glass foreboard can be calendering technology glass or floating process glass.
In the present invention there are many materials of transparent conductive film, preferably, the material of the transparent conductive film is semiconductor
Material or the transparent or colorful film with conductive metal material.
Preferably, the semi-conducting material is graphene.
Preferably, the conductive metal material is in filament shape, the conductive metal material is layed in transparent or colored thin
Inside film.
Preferably, the conductive metal material be tungsten, silver or aluminium, described transparent or colorful film material for EVA,
POE, PVB or silica gel.Transparent or colorful film material may be other a variety of high molecular materials in the present invention.
Compared with prior art, beneficial effects of the present invention are embodied in：
Solar cell module surface temperature increases in the present invention, has lasting thawing, therefore this to accumulated snow and lasting snowfall
The solar cell module of invention has good snow melt ability, and constantly improve solar cell module is in snowfall larger area
Generated energy.
Description of the drawings
Fig. 1 is the structure diagram of the first embodiment of the invention.
Fig. 2 is the structure diagram of second of embodiment of the invention.
Fig. 3 is the structure diagram of the third embodiment of the invention.
Fig. 4 is cutd open for Fig. 3's to structure diagram.
Fig. 5 is the structure diagram of the 4th kind of embodiment of the invention.
Fig. 6 is that metal wire sections are set to the structure diagram on glass front plate outer surface in the present invention.
Fig. 7 is that metal wire sections are set to the structure diagram on glass back plate inner surface in the present invention.
Fig. 8 is that metal wire sections are set to the structure diagram on glass back plate outer surface in the present invention.
Fig. 9 is the structure diagram of the 5th kind of embodiment of the invention.
Figure 10 is the structure diagram of the 6th kind of embodiment of the invention.
Specific embodiment
As shown in Fig. 1~Figure 10, the present invention includes the glass front plate 1 being sequentially arranged from top to bottom, the first encapsulated layer, the sun
Can battery, the second encapsulated layer and glass back plate 2, be provided on 1 inner surface of glass front plate and/or outer surface and external electrical
The conductive structure that line structure is connected, the conductive structure in the present invention can also be set to the inner surface of glass back plate 2 and/or outer
On surface.
The conductive structure being connected with external circuit structure is provided in the present invention on the surface of glass front plate 1, it is external
Circuit structure provides voltage and electric current for conductive structure, and conductive structure is made to generate heat, and the heat that conductive structure generates is by conduction
So that the raising of 1 surface temperature of glass front plate, so as to melt the accumulated snow for being covered in 1 surface of glass front plate.It is conductive wherein in the present invention
Structure can be set to inner surface or the outer surface of glass front plate 1, can also be in the inner surface and the outer surface of glass front plate 1
It is respectively provided with.
Wherein in the present invention there are many structure types of conductive structure, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, the present embodiment
Middle conductive structure includes silk-screen in multiple metal wire sections 4 on 1 inner surface of glass front plate and/or outer surface, multiple metal wire sections 4
It is serially connected and/or parallel connection forms metallic conduction circuit.Wherein Fig. 1 and Fig. 2 connects to be connected in series with mode, Fig. 3 and Fig. 5 to be in parallel
Mode is connect, glass front plate 1 can be energy ultrawhite figured glass or float glass in the present invention, i.e. metal wire sections 4 can be in ultrawhite pressure
The tin face and non-tin face of figured plate glass or float glass, corresponding when being packaged with component, metal wire sections 4 can be in packaging adhesive film
Side or in air side.
As shown in Fig. 3~Fig. 8, conductive structure further includes multiple metal wire sections 4 confluence forming metal in the present invention
The busbar 5 of conducting channel and the electrode outlet line 6 being connected with busbar 5.Metal wire sections 4 can be in glass surface
It arranges in definite shape, converge the metallic conduction circuit for forming series connection or parallel connection via busbar 5, finally by one or more
Place's electrode outlet line 6 is drawn, and provides voltage and current by external circuits structure, metal wire sections 4 is made to generate heat.
There are many connection modes in the present invention in parallel and serial, such as when for metallic conduction circuit in parallel, such as Fig. 3 and
Shown in Fig. 5, a plurality of metal wire sections 4 can be arranged parallel in the present embodiment, the both ends of metal wire sections 4 pass through busbar respectively
5 confluences so that a plurality of metal wire sections 4 are parallel with one another, then set electrode outlet line 6 on the busbar at both ends 5 respectively.Its
Middle metal wire sections 4 can be 30, and the width of metal wire sections 4 can be 0.5mm, and thickness is 10~20 μm；The width of busbar 5
Degree can be gradually reduced, such as width is decreased to 5mm from 10mm from one section towards the other end, and the width of electrode outlet line 6 is
20mm, thickness 0.25mm, the voltage value of metallic conduction circuit can be 24V, and prime power is in 300W or so.Metal wire sections 4
Metal wire sections 4
Wherein metal wire sections 4 can be made of various metals in the present invention, and metal wire sections 4 are silver paste line segment or aluminium paste line
Section.The present invention can form metallic conduction circuit by silver paste or aluminium paste silk-screen in glass front plate 1.
As shown in Figure 3 and Figure 4, conductive structure includes being set to 1 inner surface of glass front plate and/or outer surface in the present embodiment
On transparent conductive film 3.Conductive structure in the present invention can also be to plate layer of transparent conductive film 3 on 1 surface of glass front plate,
Middle coating process can be to process on original sheet glass.By being powered to transparent conductive film 3, transparent conductive film 3 is generated heat after energization, production
Raw heat is by conduction so that 1 surface temperature of glass front plate increases, so as to melt the accumulated snow for being covered in 1 surface of glass front plate.
3 transparent conductive film 3 of transparent conductive film
Transparent conductive film 3 can be in several ways set in glass front plate 1 in the present invention, such as transparent conductive film 3
It is set to by way of magnetron sputtering, printing, roller coating or dip-coating on 1 inner surface of glass front plate and/or outer surface.Wherein glass
Foreboard 1 can be calendering technology glass or floating process glass.
In the present invention there are many materials of transparent conductive film 3, such as the material of transparent conductive film 3 is semi-conducting material or gold
Belong to conductive material.Such as semi-conducting material can be graphene.Metal in the transparent or colorful film of conductive metal material is led
Electric material is in filament shape, and conductive metal material is layed in inside transparent or colorful film, conductive metal material can be tungsten, silver or
Aluminium, transparent or colorful film material are a variety of high molecular materials such as EVA, POE, PVB or silica gel.
Claims (10)
1. a kind of double glass crystal silicon solar battery components with snow melting function, including before the glass that is sequentially arranged from top to bottom
Plate, the first encapsulated layer, solar cell, the second encapsulated layer and glass back plate, which is characterized in that the glass front plate and/or
The conductive structure being connected with external circuit structure is provided on glass back plate surface.
2. double glass crystal silicon solar battery components of snow melting function are carried as described in claim 1, which is characterized in that described
Conductive structure includes silk-screen in multiple metal wire sections in glass front plate and/or glass back plate surface, and multiple metal wire sections are mutual
Series connection and/or formation metallic conduction circuit in parallel.
3. double glass crystal silicon solar battery components of snow melting function are carried as claimed in claim 2, which is characterized in that described
Conductive structure is further included for the busbar and and busbar to form metallic conduction circuit that multiple metal wire sections are converged
The electrode outlet line being connected.
4. double glass crystal silicon solar battery components of snow melting function are carried as claimed in claim 2 or claim 3, which is characterized in that
The metal wire sections are silver paste line segment or aluminium paste line segment.
5. double glass crystal silicon solar battery components of snow melting function are carried as described in claim 1, which is characterized in that described
Conductive structure includes the transparent conductive film being set on glass front plate and/or glass back plate surface.
6. double glass crystal silicon solar battery components of snow melting function are carried as claimed in claim 5, which is characterized in that described
Transparent conductive film is set to glass front plate and/or glass back plate surface by way of magnetron sputtering, printing, roller coating or dip-coating
On.
7. the crystal silicon solar battery component of snow melting function is carried as claimed in claim 6, which is characterized in that described transparent
The material of conductive film is semi-conducting material or the transparent or colorful film with conductive metal material.
8. the crystal silicon solar battery component of snow melting function is carried as claimed in claim 7, which is characterized in that described partly to lead
Body material is graphene.
9. the crystal silicon solar battery component of snow melting function is carried as claimed in claim 7, which is characterized in that the metal
Conductive material is in filament shape, and the conductive metal material is layed in inside transparent or colorful film.
10. the crystal silicon solar battery component of snow melting function is carried as claimed in claim 9, which is characterized in that the gold
Category conductive material is tungsten, silver or aluminium, and described transparent or colorful film material is EVA, POE, PVB or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164115.2A CN108198883A (en) | 2018-02-27 | 2018-02-27 | A kind of double glass crystal silicon solar battery components with snow melting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164115.2A CN108198883A (en) | 2018-02-27 | 2018-02-27 | A kind of double glass crystal silicon solar battery components with snow melting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108198883A true CN108198883A (en) | 2018-06-22 |
Family
ID=62594228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810164115.2A Pending CN108198883A (en) | 2018-02-27 | 2018-02-27 | A kind of double glass crystal silicon solar battery components with snow melting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108198883A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004052A (en) * | 2018-07-30 | 2018-12-14 | 常州华美光伏材料有限公司 | A kind of photovoltaic module and its production technology with heating function |
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| CN203351626U (en) * | 2013-06-27 | 2013-12-18 | 信义光伏产业(安徽)控股有限公司 | Heatable glass used on photovoltaic assembly, and photovoltaic assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101529327A (en) * | 2006-08-16 | 2009-09-09 | 法国圣戈班玻璃厂 | Transparent electrode |
| CN101933163A (en) * | 2007-12-03 | 2010-12-29 | 米克洛什·托斯 | Electric power generating solar roof tile and manufacture method thereof |
| CN102931246A (en) * | 2011-08-11 | 2013-02-13 | 吉富新能源科技(上海)有限公司 | Solar panel allowing accumulated snow to be automatically removed |
| CN203351626U (en) * | 2013-06-27 | 2013-12-18 | 信义光伏产业(安徽)控股有限公司 | Heatable glass used on photovoltaic assembly, and photovoltaic assembly |
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| CN103770799A (en) * | 2014-02-24 | 2014-05-07 | 中国建筑材料科学研究总院 | High-speed locomotive windshield and preparation method thereof |
| CN204183984U (en) * | 2014-10-24 | 2015-03-04 | 林行 | A kind of vehicle glass pad pasting with electric heating function |
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| CN206894585U (en) * | 2017-07-06 | 2018-01-16 | 北京铂阳顶荣光伏科技有限公司 | Road surface electrification component with electrically conducting transparent heating film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004052A (en) * | 2018-07-30 | 2018-12-14 | 常州华美光伏材料有限公司 | A kind of photovoltaic module and its production technology with heating function |
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Application publication date: 20180622 |