CN108879338A - Tempered glass arrester - Google Patents
Tempered glass arrester Download PDFInfo
- Publication number
- CN108879338A CN108879338A CN201810868185.6A CN201810868185A CN108879338A CN 108879338 A CN108879338 A CN 108879338A CN 201810868185 A CN201810868185 A CN 201810868185A CN 108879338 A CN108879338 A CN 108879338A
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- CN
- China
- Prior art keywords
- steel sleeve
- glass steel
- arrester
- glass
- tempered glass
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Insulators (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses tempered glass arrester, including glass steel sleeve, fixed frame and resistor disc, glass steel sleeve lower end periphery is provided with sealing cover.Beneficial effect is：By the way that sealing rubber pad one is arranged, sealing rubber pad two, sealant one and sealant two, arrester can reliably be sealed, it can effectively prevent the entrance of moisture in rain and snow, it can avoid that flashover breakdown phenomenon occurs in arrester, by the way that various sizes of umbrella platform one and umbrella platform two is arranged, not only increase the creepage distance of arrester, and it can be when the rainy day, rainwater be less big, fall rainwater directly through umbrella platform one, avoid the generation for climbing arc, setting using glass steel sleeve made of carbon fibre and polyimide adhesive, the disadvantage that traditional glass steel elasticity modulus is larger and temperature tolerance is poor can not only be made up, and it can be when by Lightning Over-voltage, it is broken into irregular tempered glass particle, it avoids causing secondary injury to personnel or electrical equipment.
Description
Technical field
The present invention relates to arrester technical fields, and the present invention relates to tempered glass arresters.
Background technique
Arrester is to endanger for protecting electrical equipment against high transient overvoltage, and limit time of afterflow and often limitation
A kind of electric appliance of afterflow assignment.With the development of society and the progress of science and technology, more and more electric equipment products are developed,
And be applied in people's lives, wherein arrester can be often used in these electric equipment products, however existing arrester, it is more
It is made of traditional glass-reinforced plastic material, not only elasticity modulus is larger, temperature tolerance is poor, but also it occurs by overvoltage
When broken, can often cause secondary damage to human body or equipment, the safety used is poor, and umbrella platform thereon mostly use it is identical
Size has the generation for climbing arc in the rainy day often, furthermore its in rain and snow in using often can because seal it is unreliable due to make tide
Gas enters in arrester, and flashover breakdown phenomenon occurs, and the reliability used is poor.
Summary of the invention
The object of the invention is that providing tempered glass arrester to solve the above-mentioned problems.
The present invention is achieved through the following technical solutions above-mentioned purpose：
Tempered glass arrester, including glass steel sleeve, fixed frame and resistor disc, glass steel sleeve lower end periphery are set
It is equipped with sealing cover, the sealing cover periphery is provided with elastic tegmental wall, and the sealing cover center bottom is provided with installation card hole, described
It is provided with ground terminal on installation card hole inner wall, sealing rubber pad two is provided on the ground terminal peripheral sidewall, it is described close
It is provided with sealant two on envelope rubber pad two, center bottom is provided with the resistor disc, the resistance in the glass steel sleeve
Piece periphery is provided with protective jacket, and the resistor disc center bottom is provided with lower electrode, and the lower electrode bottom end is provided with bottom plate, institute
It states middle part in bottom plate and is provided with screw hole two, the resistor disc upper center is provided with spring, and the spring top is provided with connection
Plate, the connecting plate upper center are provided with connecting column, and the connection top end is provided with top electrode, middle part in the top electrode
It is provided with screw hole one, one inner wall of screw hole is screwed with high-voltage connection terminal, is provided on the high-voltage connection terminal side wall close
Rubber pad one is sealed, is bonded with sealant one on the sealing rubber pad one, upper center is provided with peace in the glass steel sleeve
Hole is plugged, glass steel sleeve upper end is provided with the fixed frame, and the fixed frame bottom end forms attachment base, the connection
Seat upper end is provided with hanging ring, annular distance is provided on the hanging ring, top middle portion is provided with installation screw in the attachment base, described
Umbrella platform one is provided on glass steel sleeve peripheral sidewall, one lower end of umbrella platform is provided with umbrella platform two.
Further, the sealing cover is fastened on the glass steel sleeve, the elasticity tegmental wall and the installation card hole
It takes shape on the sealing cover.
Further, it is fixed on the installation card hole inner wall in the middle part of the ground terminal by clearance fit, it is described to connect
Ground terminal one end is screwed on two inner wall of screw hole.
Further, the sealant two is bonded on the sealing rubber pad two and the ground terminal, the sealing
Rubber pad two is connected by the sealant two with the ground terminal.
Further, the protective jacket is bonded in the resistor disc periphery, and the protective jacket uses insulative water-proof material system
At the lower electrode is bonded on the resistor disc, and the bottom plate is hinged on the lower electrode, and the screw hole two takes shape in institute
It states on bottom plate.
Further, the spring one end is hinged on the resistor disc, and the spring other end is welded on the connection
On plate.
Further, the connecting column takes shape on the connecting plate, and the top electrode is hinged on the connecting column, institute
Top electrode is stated to be connected by the connecting column and the connecting plate with the spring.
Further, the screw hole is formed in the top electrode, and the high-voltage connection terminal is screwed in the screw hole
On one inner wall, the sealing rubber pad one is connected by the sealant one with the high-voltage connection terminal.
Further, the installation jack, the umbrella platform one and the umbrella platform two take shape on the glass steel sleeve,
The size of the umbrella platform one is greater than the size of the umbrella platform two, and the glass steel sleeve is viscous using carbon fibre and polyimides
Agent is connect to be made.
Further, the fixed frame is hinged on the glass steel sleeve, and the hanging ring is welded on the attachment base,
The annular distance takes shape on the hanging ring, and the installation screw takes shape on the attachment base.
Concrete operating principle is：The top electrode is inserted into the glass steel sleeve first, and passes through the connection
The resistor disc is connected by plate, the connecting column and the spring with the top electrode, is then fixed on the ground terminal
On the sealing cover, and the sealing cover is buckled on the glass steel sleeve by the elastic tegmental wall, then by the height
Crimping line terminals are fixed in the top electrode, finally the fixed frame are fixed on the glass steel sleeve, by described
Sealing rubber pad one, the sealing rubber pad two, the sealant one and the sealant two can carry out arrester reliable close
Envelope, can effectively prevent the entrance of moisture in rain and snow, can avoid portion and flashover breakdown phenomenon occurs, by various sizes of described
Umbrella platform one and the umbrella platform two not only increase the creepage distance of arrester, and can make rain when the rainy day, rainwater was less big
Water is directly fallen through umbrella platform one, avoids the generation for climbing arc, by using made of carbon fibre and polyimide adhesive
The glass steel sleeve can not only make up the disadvantage that traditional glass steel elasticity modulus is larger and temperature tolerance is poor, Er Qieke
When by Lightning Over-voltage, it is broken into irregular tempered glass particle, avoids causing secondary injury to personnel or electrical equipment.
The beneficial effects of the present invention are：
1, by setting sealing rubber pad one, sealing rubber pad two, sealant one and sealant two, arrester can be carried out
Reliable sealing, can effectively prevent the entrance of moisture in rain and snow, can avoid that flashover breakdown phenomenon occurs in arrester；
2, by the various sizes of umbrella platform one of setting and umbrella platform two, the creepage distance of arrester is not only increased, and
Rainwater can be made directly to fall through umbrella platform one when the rainy day, rainwater was less big, avoid the generation for climbing arc；
3, it can not only be made up setting using glass steel sleeve made of carbon fibre and polyimide adhesive
The disadvantage that traditional glass steel elasticity modulus is larger and temperature tolerance is poor, and can be broken into and not advise when by Lightning Over-voltage
Tempered glass particle then, avoids causing secondary injury to personnel or electrical equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tempered glass arrester of the present invention；
Fig. 2 is the sectional view of fixed frame in tempered glass arrester of the present invention；
Fig. 3 is the top view of sealing cover in tempered glass arrester of the present invention；
Fig. 4 is the sectional view of resistor disc in tempered glass arrester of the present invention.
The reference numerals are as follows：
1, sealing rubber pad one；2, sealant one；3, top electrode；4, connecting plate；5, spring；6, resistor disc；7, lower electrode；
8, screw hole two；9, ground terminal；10, sealing rubber pad two；11, sealant two；12, sealing cover；13, umbrella platform two；14, umbrella platform
One；15, glass steel sleeve；16, connecting column；17, screw hole one；18, jack is installed；19, high-voltage connection terminal；20, fixed frame；
21, hanging ring；22, attachment base；23, installation screw；24, annular distance；25, card hole is installed；26, elastic tegmental wall；27, protective jacket；28, bottom
Plate.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings：
As Figure 1-Figure 4, tempered glass arrester, including glass steel sleeve 15, fixed frame 20 and resistor disc 6, it is described
15 lower end periphery of glass steel sleeve is provided with sealing cover 12, and the sealing cover 12 can reliably be sealed arrester, described close
It covers 12 peripheries and is provided with elastic tegmental wall 26, the sealing cover 12 can be buckled in outside the glass reinforced plastic by the elastic tegmental wall 26
On set 15,12 center bottom of sealing cover is provided with installation card hole 25, can make the sealing cover by the installation card hole 25
12 pass through the ground terminal 9, it is ensured that the fixed convenience of sealing cover 12 is provided with ground connection on 25 inner wall of installation card hole
Terminal 9 is provided with sealing rubber pad 2 10 on 9 peripheral sidewall of ground terminal, is provided on the sealing rubber pad 2 10
Sealant 2 11, center bottom is provided with the resistor disc 6 in the glass steel sleeve 15, and 6 periphery of resistor disc is provided with
Protective jacket 27, resistor disc 6 described in effective protection, 6 bottom of resistor disc when the protective jacket 27 can enter moisture in arrester
End middle part is provided with lower electrode 7, and lower 7 bottom end of electrode is provided with bottom plate 28, and middle part is provided with screw hole two in the bottom plate 28
8, ground terminal 9 can be reliably fixed by screw hole 28,6 upper center of resistor disc is provided with spring 5, the bullet
5 top of spring is provided with connecting plate 4, and 4 upper center of connecting plate is provided with connecting column 16, and 16 top of connecting column is provided with
Top electrode 3 can guarantee that the moment keeps between the resistor disc 6 and the top electrode 3 and the lower electrode 7 by the spring 5
It comes into full contact with, middle part is provided with screw hole 1 in the top electrode 3, and one 17 inner wall of screw hole is screwed with high-voltage connection terminal
19, the high-voltage connection terminal 19 can be reliably fixed by the screw hole 1,19 side wall of high-voltage connection terminal
On be provided with sealing rubber pad 1, be bonded with sealant 1 on the sealing rubber pad 1, pass through the sealing rubber pad one
1, the sealing rubber pad 2 10, the sealant 1 and the sealant 2 11 can reliably be sealed arrester, can
It effectively prevent the entrance of moisture in rain and snow, can avoid that flashover breakdown phenomenon, the glass steel sleeve 15 occur in arrester
Interior upper center is provided with installation jack 18, the top electrode 3 can be made to pass through outside the glass reinforced plastic by the installation jack 18
Set 15, it is ensured that the convenience that top electrode 3 is installed, 15 upper end of glass steel sleeve is provided with the fixed frame 20, described solid
Determine 20 bottom end of frame and form attachment base 22,22 upper end of attachment base is provided with hanging ring 21, can will be taken shelter from the thunder by the hanging ring 21
Device lifts, and annular distance 24 is provided on the hanging ring 21, top middle portion is provided with installation screw 23, the glass in the attachment base 22
Umbrella platform 1 is provided on 15 peripheral sidewall of glass steel sleeve, one 14 lower end of umbrella platform is provided with umbrella platform 2 13, passes through different rulers
The very little umbrella platform 1 and the umbrella platform 2 13, not only increases the creepage distance of arrester, and can be in rainy day rainwater
It when less big, falls rainwater directly through umbrella platform 1, avoids the generation for climbing arc.
In the present embodiment, the sealing cover 12 is fastened on the glass steel sleeve 15, the elasticity tegmental wall 26 and described
Installation card hole 25 takes shape on the sealing cover 12.
In the present embodiment, it is fixed on 25 inner wall of installation card hole in the middle part of the ground terminal 9 by clearance fit, institute
9 one end of ground terminal is stated to be screwed on 28 inner wall of screw hole.
In the present embodiment, the sealant 2 11 is bonded on the sealing rubber pad 2 10 and the ground terminal 9, institute
Sealing rubber pad 2 10 is stated to be connected by the sealant 2 11 with the ground terminal 9.
In the present embodiment, the protective jacket 27 is bonded in 6 periphery of resistor disc, and the protective jacket 27 uses insulative water-proof
Material is made, and the lower electrode 7 is bonded on the resistor disc 6, and the bottom plate 28 is hinged on the lower electrode 7, the spiral shell
Hole 28 takes shape on the bottom plate 28.
In the present embodiment, described 5 one end of spring is hinged on the resistor disc 6, and 5 other end of spring is welded on described
On connecting plate 4.
In the present embodiment, the connecting column 16 is taken shape on the connecting plate 4, and the top electrode 3 is hinged on the connection
On column 16, the top electrode 3 is connected by the connecting column 16 and the connecting plate 4 with the spring 5.
In the present embodiment, the screw hole 1 is taken shape in the top electrode 3, and the high-voltage connection terminal 19 is screwed in institute
It states on one 17 inner wall of screw hole, the sealing rubber pad 1 is connected by the sealant 1 with the high-voltage connection terminal 19.
In the present embodiment, the installation jack 18, the umbrella platform 1 and the umbrella platform 2 13 take shape in the glass
On steel sleeve 15, the size of the umbrella platform 1 is greater than the size of the umbrella platform 2 13, and the glass steel sleeve 15 is using carbonization
Fiber and polyimide adhesive are made.
In the present embodiment, the fixed frame 20 is hinged on the glass steel sleeve 15, and the hanging ring 21 is welded on described
On attachment base 22, the annular distance 24 is taken shape on the hanging ring 21, and the installation screw 23 takes shape on the attachment base 22.
Concrete operating principle is：The top electrode 3 is inserted into the glass steel sleeve 15 first, and passes through the company
The resistor disc 6 is connected by fishplate bar 4, the connecting column 16 and the spring 5 with the top electrode 3, then by the ground terminal
Son 9 is fixed on the sealing cover 12, and the sealing cover 12 is buckled in the glass steel sleeve by the elastic tegmental wall 26
On 15, then the high-voltage connection terminal 19 is fixed in the top electrode 3, is finally fixed on the fixed frame 20 described
On glass steel sleeve 15, pass through the sealing rubber pad 1, the sealing rubber pad 2 10, the sealant 1 and described close
Arrester can reliably be sealed, can effectively prevent the entrance of moisture in rain and snow by sealing 2 11, and the portion of can avoid is dodged
Network punch-through, by the various sizes of umbrella platform 1 and the umbrella platform 2 13, not only increase arrester climb electricity away from
From, and rainwater can be made directly to fall through umbrella platform 1, avoid the generation for climbing arc when rainwater is less big in the rainy day, lead to
It crosses using the glass steel sleeve 15 made of carbon fibre and polyimide adhesive, can not only make up traditional glass steel
The disadvantage that elasticity modulus is larger and temperature tolerance is poor, and irregular tempering glass can be broken into when by Lightning Over-voltage
Glass particle avoids causing secondary injury to personnel or electrical equipment.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (10)
1. tempered glass arrester, it is characterised in that：It is described including glass steel sleeve (15), fixed frame (20) and resistor disc (6)
Glass steel sleeve (15) lower end periphery is provided with sealing cover (12), and sealing cover (12) periphery is provided with elastic tegmental wall (26),
Sealing cover (12) center bottom is provided with installation card hole (25), is provided with ground terminal on installation card hole (25) inner wall
(9), it is provided with sealing rubber pad two (10) on ground terminal (9) peripheral sidewall, is set on the sealing rubber pad two (10)
It is equipped with sealant two (11), the interior center bottom of the glass steel sleeve (15) is provided with the resistor disc (6), the resistor disc
(6) periphery is provided with protective jacket (27), and resistor disc (6) center bottom is provided with lower electrode (7), lower electrode (7) bottom
End is provided with bottom plate (28), and middle part is provided with screw hole two (8), resistor disc (6) the upper center setting in the bottom plate (28)
Have spring (5), spring (5) top is provided with connecting plate (4), and connecting plate (4) upper center is provided with connecting column
(16), connecting column (16) top is provided with top electrode (3), and middle part is provided with screw hole one (17), institute in the top electrode (3)
It states screw hole one (17) inner wall to be screwed with high-voltage connection terminal (19), sealing rubber is provided on high-voltage connection terminal (19) side wall
Rubber mat one (1) is bonded with sealant one (2), the interior upper center of the glass steel sleeve (15) on the sealing rubber pad one (1)
It is provided with installation jack (18), glass steel sleeve (15) upper end is provided with the fixed frame (20), the fixed frame (20)
Bottom end forms attachment base (22), and attachment base (22) upper end is provided with hanging ring (21), is provided with ring on the hanging ring (21)
Hole (24), the interior top middle portion of the attachment base (22) are provided with installation screw (23), glass steel sleeve (15) peripheral sidewall
On be provided with umbrella platform one (14), umbrella platform one (14) lower end is provided with umbrella platform two (13).
2. tempered glass arrester according to claim 1, it is characterised in that：The sealing cover (12) is fastened on the glass
On glass steel sleeve (15), the elasticity tegmental wall (26) and the installation card hole (25) are taken shape on the sealing cover (12).
3. tempered glass arrester according to claim 1, it is characterised in that：Between passing through in the middle part of the ground terminal (9)
Gap cooperation is fixed on installation card hole (25) inner wall, and described ground terminal (9) one end is screwed in screw hole two (8) inner wall
On.
4. tempered glass arrester according to claim 1, it is characterised in that：The sealant two (11) is bonded in described
On sealing rubber pad two (10) and the ground terminal (9), the sealing rubber pad two (10) passes through the sealant two (11)
It is connected with the ground terminal (9).
5. tempered glass arrester according to claim 1, it is characterised in that：The protective jacket (27) is bonded in the electricity
Piece (6) periphery is hindered, the protective jacket (27) is made of insulative water-proof material, and the lower electrode (7) is bonded in the resistor disc
(6) on, the bottom plate (28) is hinged on the lower electrode (7), and the screw hole two (8) takes shape on the bottom plate (28).
6. tempered glass arrester according to claim 1, it is characterised in that：Described spring (5) one end is hinged on described
On resistor disc (6), spring (5) other end is welded on the connecting plate (4).
7. tempered glass arrester according to claim 1, it is characterised in that：The connecting column (16) takes shape in the company
On fishplate bar (4), the top electrode (3) is hinged on the connecting column (16), and the top electrode (3) passes through the connecting column (16)
It is connected with the connecting plate (4) with the spring (5).
8. tempered glass arrester according to claim 1, it is characterised in that：The screw hole one (17) takes shape on described
On electrode (3), the high-voltage connection terminal (19) is screwed on screw hole one (17) inner wall, the sealing rubber pad one (1)
It is connected by the sealant one (2) with the high-voltage connection terminal (19).
9. tempered glass arrester according to claim 1, it is characterised in that：The installation jack (18), the umbrella platform
One (14) and the umbrella platform two (13) take shape on the glass steel sleeve (15), and the glass steel sleeve (15) is using carbonization
Fiber and polyimide adhesive are made.
10. tempered glass arrester according to claim 1, it is characterised in that：The fixed frame (20) is hinged on described
On glass steel sleeve (15), the hanging ring (21) is welded on the attachment base (22), and the annular distance (24) takes shape in described hang
On ring (21), the installation screw (23) is taken shape on the attachment base (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868185.6A CN108879338B (en) | 2018-08-02 | 2018-08-02 | Toughened glass lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868185.6A CN108879338B (en) | 2018-08-02 | 2018-08-02 | Toughened glass lightning arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108879338A true CN108879338A (en) | 2018-11-23 |
| CN108879338B CN108879338B (en) | 2023-08-15 |
Family
ID=64306896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810868185.6A Active CN108879338B (en) | 2018-08-02 | 2018-08-02 | Toughened glass lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108879338B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06260305A (en) * | 1993-03-08 | 1994-09-16 | Fuji Electric Co Ltd | Current-terminal leading-out structure of lightning arrester |
| US5434550A (en) * | 1994-04-07 | 1995-07-18 | Hubbell Incorporated | Arrester disconnector |
| JP2008177508A (en) * | 2007-01-22 | 2008-07-31 | Swcc Showa Cable Systems Co Ltd | Arrestor and attaching part of arrestor |
| CN202940080U (en) * | 2012-12-05 | 2013-05-15 | 中国西电电气股份有限公司 | Direct current arrester |
| KR20150134492A (en) * | 2014-05-21 | 2015-12-02 | 현대중공업 주식회사 | Surge arrester |
| CN106920607A (en) * | 2015-12-28 | 2017-07-04 | 中国电力科学研究院 | A kind of clearance control type metal oxide arrester |
-
2018
- 2018-08-02 CN CN201810868185.6A patent/CN108879338B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06260305A (en) * | 1993-03-08 | 1994-09-16 | Fuji Electric Co Ltd | Current-terminal leading-out structure of lightning arrester |
| US5434550A (en) * | 1994-04-07 | 1995-07-18 | Hubbell Incorporated | Arrester disconnector |
| JP2008177508A (en) * | 2007-01-22 | 2008-07-31 | Swcc Showa Cable Systems Co Ltd | Arrestor and attaching part of arrestor |
| CN202940080U (en) * | 2012-12-05 | 2013-05-15 | 中国西电电气股份有限公司 | Direct current arrester |
| KR20150134492A (en) * | 2014-05-21 | 2015-12-02 | 현대중공업 주식회사 | Surge arrester |
| CN106920607A (en) * | 2015-12-28 | 2017-07-04 | 中国电力科学研究院 | A kind of clearance control type metal oxide arrester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108879338B (en) | 2023-08-15 |
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