CN209571693U - A kind of heat dissipation low-voltage complete switch device - Google Patents
A kind of heat dissipation low-voltage complete switch device Download PDFInfo
- Publication number
- CN209571693U CN209571693U CN201920315571.2U CN201920315571U CN209571693U CN 209571693 U CN209571693 U CN 209571693U CN 201920315571 U CN201920315571 U CN 201920315571U CN 209571693 U CN209571693 U CN 209571693U
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- side wall
- plate
- cabinet
- hole
- heat dissipation
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Abstract
The utility model relates to the technical fields of electrical equipment auxiliary equipment to effectively prevent switching group accidentally to be touched more particularly to a kind of heat dissipation low-voltage complete switch device；Including cabinet, box house is provided with placed cavity, and cabinet left side wall upper half area is provided with and communicated with multiple groups air inlet, filter cotton is provided at multiple groups air inlet, cabinet right side wall is provided with and communicated with installing port, and radiator fan is provided at installing port, and cabinet front wall is provided with switching group；It further include upper backup pad, lower supporting plate, left limit bar, right limit bar, threaded rod, upper swingle, lower swingle, adjustable plate and baffle, upper backup pad and lower supporting plate middle section are respectively arranged with two groups of putting holes, upper ball bearing and lower ball bearing are respectively arranged at two groups of putting holes, adjustable plate left area, middle section and right half area are respectively arranged with left limit hole, adjustment hole and right limit hole, and upper swingle top is provided with motor.
Description
Technical field
The utility model relates to the technical fields of electrical equipment auxiliary equipment, open more particularly to a kind of heat dissipation low-voltage complete
Close device.
Background technique
It is well known that heat dissipation low-voltage complete switch device is a kind of for power plant, petroleum, chemical industry, metallurgy, weaving, height
The industries such as layer building, the device being used is converted as transmission of electricity, distribution and electric energy, has been obtained in the field of electrical equipment extensively
Use；Existing heat dissipation low-voltage complete switch device includes cabinet, and box house is provided with placed cavity, cabinet left side wall upper half
Regional connectivity is provided with multiple groups air inlet, and filter cotton is provided at multiple groups air inlet, and cabinet right side wall is provided with and communicated with installing port,
Radiator fan is provided at installing port, cabinet front wall is provided with switching group；Existing heat dissipation low-voltage complete switch device uses
When, cabinet is fixed on designated place, and radiator fan, which is powered, drives the flowing of box house air, and cool ambient air passes through filter cotton edge
Multiple groups air inlet enters placed cavity, and hot-air is discharged along installing port cools down to box house；Existing heat dissipation low pressure at
It is found in set switching device use, user may accidentally touch switching group in the process of walking, equipment emergency stop be caused, using reliable
Property is lower.
Utility model content
It effectively prevent switching group accidentally to be touched in order to solve the above technical problems, the utility model provides one kind, improving use can
By the heat dissipation low-voltage complete switch device of property.
A kind of heat dissipation low-voltage complete switch device of the utility model, including cabinet, box house are provided with placed cavity, case
Body left side wall upper half area is provided with and communicated with multiple groups air inlet, and filter cotton, the connection of cabinet right side wall are provided at multiple groups air inlet
It is provided with installing port, radiator fan is provided at installing port, cabinet front wall is provided with switching group；Further include upper backup pad, under
Support plate, left limit bar, right limit bar, threaded rod, upper swingle, lower swingle, adjustable plate and baffle, the lower supporting plate bottom
Side wall is connect with cabinet side wall front end, and upper backup pad and lower supporting plate middle section are respectively arranged with two groups of putting holes, and two groups
Upper ball bearing and lower ball bearing are respectively arranged at putting hole, the upper swingle middle section and upper ball bearing key connect
It connects, is keyed inside the lower swingle bottom end insertion lower ball bearing and with lower ball bearing, the adjustable plate left half-court
Domain, middle section and right half area are respectively arranged with left limit hole, adjustment hole and right limit hole, and the right limit bar passes through right limit
Position hole and right limit bar top and bottom end connect respectively with upper backup pad downside wall and lower supporting plate side wall right half area, institute
Left limit bar is stated across left limit hole and left limit bar top and bottom end respectively with upper backup pad downside wall and lower supporting plate top
The connection of side wall left area, threaded rod spiral shell dress across adjustment hole and threaded rod tip and bottom end respectively with upper swingle bottom
End is connected with lower swingle top, and the baffle top is connect with adjustable plate downside wall front end, and upper swingle top is provided with electricity
Machine.
A kind of heat dissipation low-voltage complete switch device of the utility model, further includes partition, and the partition, which is transversely mounted on, to be put
It sets intracavitary portion and placed cavity is divided into upper chamber and lower chambers by partition, lower chambers are internally provided with air-introduced machine, and partition is provided with
Mounting hole, mounting hole inner sidewall top are provided with flase floor, and air-introduced machine input terminal is connected to mounting hole, and cabinet rear wall is provided with
Thermovent, thermovent are connected to lower chambers, and filter screen is provided at thermovent.
A kind of heat dissipation low-voltage complete switch device of the utility model, further include upper mounted plate, bottom plate, fixed link,
Fixed ring, fixed block, shaft and rotating bar, fixed plate and bottom plate be separately fixed at multiple groups thermovent top and
Lower section, the fixed block are fixedly connected with cabinet left side wall, and fixed block rear wall is provided with rotation slot of the left and right to connection, rotation
Rod rear end is connect with fixed ring front end, and rotating bar first half region is provided with rotation hole, and left ball bearing, institute are provided at rotation hole
Shaft middle section and left ball bearing is stated to be keyed, shaft top and bottom end respectively with side wall in rotation slot and interior downside wall
Connection, the later half region of upper mounted plate are provided with intercommunicating pore, and fixed ring side wall rear end is provided with limiting slot, the fixed link bottom end
Inside intercommunicating pore insertion limiting slot, fixed ring right side wall is contacted with filter cotton left side wall.
A kind of heat dissipation low-voltage complete switch device of the utility model, the baffle plate setting have viewing hole, watch at hole and setting
It is equipped with transparent panel, lower supporting plate front side wall is provided with mounting plate, and mounting plate front side wall is provided with multiple groups bristle.
A kind of heat dissipation low-voltage complete switch device of the utility model further includes L-type plate, L-type board bottom end and upper branch
Fagging is fixedly connected, and L-type plate right half area is provided with fixation hole, and fixation hole inner sidewall is connect with motor lateral wall.
A kind of heat dissipation low-voltage complete switch device of the utility model, further includes stiffening plate, the stiffening plate top and bottom
End is connect with upper backup pad and cabinet side wall respectively.
A kind of heat dissipation low-voltage complete switch device of the utility model, the lower supporting plate side wall left area and right half
Region is respectively arranged with buffer spring under two groups.
A kind of heat dissipation low-voltage complete switch device of the utility model, the upper backup pad downside wall left area and right half
Region is respectively arranged with buffer spring on two groups.
Compared with prior art the utility model has the following beneficial effects: cabinet is fixed on designated place, radiator fan is powered
The flowing of box house air is driven, cool ambient air passes through filter cotton and enters placed cavity along multiple groups air inlet, and hot-air is along installation
Mouthful place is discharged and cools down to box house, and motor can rotate and reverse, and by electrical power and opens, upper ball bearing with
Under the action of lower ball bearing, motor rotation drives threaded rod, upper swingle and lower swingle rotation, and threaded rod spiral shell is filled across tune
Plate is saved, adjustable plate cannot rotate under the action of left limit bar and right limit bar, thus adjustable plate height when motor rotates
It changing, when need to operate to switching group, operation motor rises adjustable plate and baffle, when being not required to operation, operation motor
It moves down baffle to block switching group, switching group is effectively prevent accidentally to be touched, improve use reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the connection signal right view of lower supporting plate, mounting plate and bristle；
Fig. 3 is that the connection of left limit bar, right limit bar, threaded rod, upper swingle, lower ball bearing and lower buffer spring is shown
It is intended to；
Fig. 4 is cabinet, filter cotton, partition, air-introduced machine, flase floor, filter screen, upper mounted plate, fixed link, fixed ring, consolidates
Determine the connection signal left view of block, shaft and rotating bar；
It is attached marked in the figure: 1, cabinet；2, filter cotton；3, radiator fan；4, upper backup pad；5, lower supporting plate；6, left limit
Bar；7, threaded rod；8, upper swingle；9, lower swingle；10, adjustable plate；11, baffle；12, upper ball bearing；13, lower ball axis
It holds；14, motor；15, partition；16, air-introduced machine；17, flase floor；18, filter screen；19, upper mounted plate；20, fixed link；21, solid
Determine ring；22, fixed block；23, shaft；24, rotating bar；25, transparent panel；26, mounting plate；27, bristle；28, L-type plate；29, reinforce
Plate；30, lower buffer spring；31, upper buffer spring.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figures 1 to 4, a kind of heat dissipation low-voltage complete switch device of the utility model, including cabinet 1, in cabinet 1
Portion is provided with placed cavity, and 1 left side wall upper half area of cabinet is provided with and communicated with multiple groups air inlet, filtering is provided at multiple groups air inlet
Cotton 2,1 right side wall of cabinet are provided with and communicated with installing port, and radiator fan 3 is provided at installing port, and 1 front side wall of cabinet is provided with switch
Group；Further include upper backup pad 4, lower supporting plate 5, left limit bar 6, right limit bar, threaded rod 7, upper swingle 8, lower swingle 9,
Adjustable plate 10 and baffle 11,5 downside wall of lower supporting plate is connect with 1 side wall front end of cabinet, in upper backup pad 4 and lower supporting plate 5
Centre region is respectively arranged with two groups of putting holes, is respectively arranged with upper ball bearing 12 and lower ball bearing 13 at two groups of putting holes,
Upper 8 middle section of swingle and upper ball bearing 12 are keyed, lower 9 bottom end of swingle insertion lower ball bearing, 13 inside and with
Lower ball bearing 13 is keyed, and 10 left area of adjustable plate, middle section and right half area are respectively arranged with left limit hole, adjust
Hole and right limit hole, right limit bar pass through right limit hole and right limit bar top and bottom end respectively with 4 downside wall of upper backup pad
It is connected with 5 side wall right half area of lower supporting plate, left limit bar 6 passes through left limit hole and 6 top of left limit bar and bottom end are divided
It is not connect with 4 downside wall of upper backup pad and 5 side wall left area of lower supporting plate, 7 spiral shell of threaded rod is filled across adjustment hole and spiral shell
7 top of rasp bar and bottom end are connect with upper 8 bottom end of swingle and lower 9 top of swingle respectively, 11 top of baffle and 10 bottom of adjustable plate
The connection of side wall front end, upper 8 top of swingle is provided with motor 14；Cabinet is fixed on designated place, and radiator fan, which is powered, drives case
Body internal air stream is dynamic, and cool ambient air passes through filter cotton and enters placed cavity along multiple groups air inlet, and hot-air is arranged along installing port
Cool down out to box house, motor can rotate and reverse, and by electrical power and open, in upper ball bearing and lower ball
Under the action of bearing, motor rotation drives threaded rod, upper swingle and lower swingle rotation, and threaded rod spiral shell is filled across adjustable plate,
Adjustable plate cannot rotate under the action of left limit bar and right limit bar, so that adjustable plate height becomes when motor rotates
Change, when need to operate to switching group, operation motor rises adjustable plate and baffle, and when being not required to operation, operation motor makes baffle
It moves down and blocks switching group, switching group is effectively prevent accidentally to be touched, improve use reliability.
A kind of heat dissipation low-voltage complete switch device of the utility model, further includes partition 15, and partition 15, which is transversely mounted on, to be put
It sets intracavitary portion and placed cavity is divided into upper chamber and lower chambers by partition 15, lower chambers are internally provided with air-introduced machine 16, partition 15
It is provided with mounting hole, mounting hole inner sidewall top is provided with flase floor 17, and 16 input terminal of air-introduced machine is connected to mounting hole, cabinet 1
Rear wall is provided with thermovent, and thermovent is connected to lower chambers, and filter screen 18 is provided at thermovent；Partition can effectively prevent case
Body internal wetted, air-introduced machine is powered, and the higher air of epicoele room temperature is passed through flase floor sucking lower chambers under by air-introduced machine
Chamber carries out cooling opening's edge filter screen discharge.
A kind of heat dissipation low-voltage complete switch device of the utility model, further includes upper mounted plate 19, bottom plate, fixed link
20, fixed ring 21, fixed block 22, shaft 23 and rotating bar 24, upper mounted plate 19 and bottom plate are separately fixed at multiple groups heat dissipation
Above and below mouthful, fixed block 22 is fixedly connected with 1 left side wall of cabinet, and 22 rear wall of fixed block is provided with left and right to connection
Rotation slot, 24 rear end of rotating bar are connect with 21 front end of fixed ring, and 24 first half region of rotating bar is provided with rotation hole, are set at rotation hole
Be equipped with left ball bearing, 23 middle section of shaft and left ball bearing are keyed, 23 top of shaft and bottom end respectively with rotation slot
Interior side wall is connected with interior downside wall, and the later half region of upper mounted plate 19 is provided with intercommunicating pore, the setting of 21 side wall rear end of fixed ring
There is limiting slot, 20 bottom end of fixed link passes through inside intercommunicating pore insertion limiting slot, and 21 right side wall of fixed ring connects with 2 left side wall of filter cotton
Touching；Under the action of rotating bar, shaft, fixed block and left ball bearing, fixed ring is rotatable, upper mounted plate and bottom plate pair
Filter cotton is limited, and realizes the replacement of filter cotton by the rotation of fixed ring, and fixed link fixes the position of fixed ring.
A kind of heat dissipation low-voltage complete switch device of the utility model, baffle 11 are provided with viewing hole, watch at hole and being arranged
There is transparent panel 25,5 front side wall of lower supporting plate is provided with mounting plate 26, and 26 front side wall of mounting plate is provided with multiple groups bristle 27；It uses
Person can be observed by switch conditions of the transparent panel to switching group, and when transparent panel moves up and down, multiple groups bristle will be after transparent panel
Side wall impurity is cleared up.
A kind of heat dissipation low-voltage complete switch device of the utility model further includes L-type plate 28,28 bottom end of L-type plate and upper branch
Fagging 4 is fixedly connected, and 28 right half area of L-type plate is provided with fixation hole, and fixation hole inner sidewall is connect with 14 lateral wall of motor；L-type
The stability of plate raising motor.
A kind of heat dissipation low-voltage complete switch device of the utility model further includes stiffening plate 29,29 top of stiffening plate and bottom
End is connect with upper backup pad 4 and 1 side wall of cabinet respectively；The stability of stiffening plate raising upper backup pad.
A kind of heat dissipation low-voltage complete switch device of the utility model, 5 side wall left area of lower supporting plate and right half-court
Domain is respectively arranged with buffer spring 30 under two groups；When adjustable plate will be displaced downwardly to limit, under two groups buffer spring to adjustable plate into
Row buffering prevents adjustable plate from contacting with lower supporting plate.
A kind of heat dissipation low-voltage complete switch device of the utility model, 4 downside wall left area of upper backup pad and right half-court
Domain is respectively arranged with buffer spring 31 on two groups；Adjustable plate will on when moving to limit, on two groups buffer spring to adjustable plate into
Row buffering prevents adjustable plate from contacting with upper backup pad.
A kind of heat dissipation low-voltage complete switch device of the utility model, cabinet are fixed on designated place, and radiator fan is powered
The flowing of box house air is driven, cool ambient air passes through filter cotton and enters placed cavity along multiple groups air inlet, and hot-air is along installation
It is discharged at mouthful and cools down to box house, L-type plate improves the stability of motor, and motor can rotate and reverse, and stiffening plate improves
The stability of upper backup pad by electrical power and is opened, under the action of upper ball bearing and lower ball bearing, motor rotation
Threaded rod, upper swingle and lower swingle rotation are driven, threaded rod spiral shell is filled across adjustable plate, and adjustable plate is in left limit bar and right limit
It cannot rotate under the action of the bar of position, so that adjustable plate height changes when motor rotates, adjustable plate will be displaced downwardly to limit
When position, buffer spring buffers adjustable plate under two groups, prevents adjustable plate from contacting with lower supporting plate, adjustable plate will on move to
When limit, buffer spring buffers adjustable plate on two groups, prevents adjustable plate from contacting with upper backup pad, need to carry out to switching group
When operation, operation motor rises adjustable plate and baffle, and when being not required to operation, operation motor moves down baffle to block switching group,
User can be observed by switch conditions of the transparent panel to switching group, and when transparent panel moves up and down, multiple groups bristle will be transparent
Plate rear wall impurity is cleared up, and partition can effectively prevent box house to make moist, and air-introduced machine is powered, and air-introduced machine is by epicoele room temperature
Spend higher air across flase floor sucking lower chambers to lower chambers carry out cooling opening's edge filter screen discharge, rotating bar, shaft,
Under the action of fixed block and left ball bearing, fixed ring is rotatable, and upper mounted plate and bottom plate limit filter cotton, leads to
The rotation of fixed ring is crossed to realize the replacement of filter cotton, fixed link fixes the position of fixed ring.
A kind of heat dissipation low-voltage complete switch device of the utility model, the motor and air-introduced machine being related to be user from
Row purchase, application method are detailed in its included operation instructions.
Term as used herein "vertical", "horizontal", "left" and "right" and similar statement simply to illustrate that
Purpose." first " described in the utility model, " second ", " third " and similar statement do not represent specific quantity and suitable
Sequence is only used for the differentiation of title.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (8)
1. a kind of heat dissipation low-voltage complete switch device, including cabinet (1), cabinet (1) is internally provided with placed cavity, and cabinet (1) is left
Side wall upper half area is provided with and communicated with multiple groups air inlet, is provided at multiple groups air inlet filter cotton (2), and cabinet (1) right side wall connects
It is logical to be provided with installing port, it is provided at installing port radiator fan (3), cabinet (1) front side wall is provided with switching group；Its feature exists
In, further include upper backup pad (4), lower supporting plate (5), left limit bar (6), right limit bar, threaded rod (7), upper swingle (8),
Lower swingle (9), adjustable plate (10) and baffle (11), lower supporting plate (5) downside wall and cabinet (1) side wall front end connect
It connects, upper backup pad (4) and lower supporting plate (5) middle section are respectively arranged with two groups of putting holes, are respectively set at two groups of putting holes
There are upper ball bearing (12) and lower ball bearing (13), upper swingle (8) middle section and upper ball bearing (12) key connect
It connects, lower swingle (9) bottom end insertion lower ball bearing (13) is internal and is keyed with lower ball bearing (13), the tune
Section plate (10) left area, middle section and right half area are respectively arranged with left limit hole, adjustment hole and right limit hole, the right side
Gag lever post pass through right limit hole and right limit bar top and bottom end respectively with upper backup pad (4) downside wall and lower supporting plate (5)
The connection of side wall right half area, the left limit bar (6) pass through left limit hole and left limit bar (6) top and bottom end respectively with
Upper backup pad (4) downside wall is connected with lower supporting plate (5) side wall left area, and threaded rod (7) the spiral shell dress is across adjustment hole
And threaded rod (7) top and bottom end are connect with upper swingle (8) bottom end and lower swingle (9) top respectively, the baffle
(11) top is connect with adjustable plate (10) downside wall front end, and upper swingle (8) top is provided with motor (14).
2. a kind of heat dissipation low-voltage complete switch device as described in claim 1, which is characterized in that further include partition (15), institute
State that partition (15) is transversely mounted on inside placed cavity and placed cavity is divided into upper chamber and lower chambers, bottom chamber by partition (15)
Portion is provided with air-introduced machine (16), and partition (15) is provided with mounting hole, and mounting hole inner sidewall top is provided with flase floor (17), air inducing
Machine (16) input terminal is connected to mounting hole, and cabinet (1) rear wall is provided with thermovent, and thermovent is connected to lower chambers, thermovent
Place is provided with filter screen (18).
3. a kind of heat dissipation low-voltage complete switch device as claimed in claim 2, which is characterized in that further include upper mounted plate
(19), bottom plate, fixed link (20), fixed ring (21), fixed block (22), shaft (23) and rotating bar (24), it is described solid
Fixed board (19) and bottom plate are separately fixed above and below multiple groups thermovent, and the fixed block (22) and cabinet (1) are left
Side wall is fixedly connected, and fixed block (22) rear wall is provided with rotation slot of the left and right to connection, rotating bar (24) rear end and fixed ring
(21) front end connects, and rotating bar (24) first half region is provided with rotation hole, left ball bearing, the shaft are provided at rotation hole
(23) middle section and left ball bearing are keyed, shaft (23) top and bottom end respectively with side wall in rotation slot and interior bottom side
Wall connection, upper mounted plate (19) later half region are provided with intercommunicating pore, and fixed ring (21) side wall rear end is provided with limiting slot, described
Fixed link (20) bottom end passes through inside intercommunicating pore insertion limiting slot, and fixed ring (21) right side wall is contacted with filter cotton (2) left side wall.
4. a kind of heat dissipation low-voltage complete switch device as claimed in claim 3, which is characterized in that the baffle (11) is provided with
Hole is watched, watches at hole and being provided with transparent panel (25), lower supporting plate (5) front side wall is provided with mounting plate (26), mounting plate (26)
Front side wall is provided with multiple groups bristle (27).
5. a kind of heat dissipation low-voltage complete switch device as claimed in claim 4, which is characterized in that further include L-type plate (28), institute
It states L-type plate (28) bottom end to be fixedly connected with upper backup pad (4), L-type plate (28) right half area is provided with fixation hole, fixation hole inside
Wall is connect with motor (14) lateral wall.
6. a kind of heat dissipation low-voltage complete switch device as claimed in claim 5, which is characterized in that it further include stiffening plate (29),
Stiffening plate (29) top and bottom end are connect with upper backup pad (4) and cabinet (1) side wall respectively.
7. a kind of heat dissipation low-voltage complete switch device as claimed in claim 6, which is characterized in that lower supporting plate (5) top
Side wall left area and right half area are respectively arranged with buffer spring (30) under two groups.
8. a kind of heat dissipation low-voltage complete switch device as claimed in claim 7, which is characterized in that upper backup pad (4) bottom
Side wall left area and right half area are respectively arranged with buffer spring (31) on two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315571.2U CN209571693U (en) | 2019-03-13 | 2019-03-13 | A kind of heat dissipation low-voltage complete switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315571.2U CN209571693U (en) | 2019-03-13 | 2019-03-13 | A kind of heat dissipation low-voltage complete switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571693U true CN209571693U (en) | 2019-11-01 |
Family
ID=68334869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920315571.2U Expired - Fee Related CN209571693U (en) | 2019-03-13 | 2019-03-13 | A kind of heat dissipation low-voltage complete switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209571693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996623A (en) * | 2019-12-23 | 2020-04-10 | 龚爽 | Low-voltage control box heat dissipation device for new energy automobile |
| CN111315199A (en) * | 2020-04-09 | 2020-06-19 | 黄殿华 | Electrical cabinet used in humid environment |
-
2019
- 2019-03-13 CN CN201920315571.2U patent/CN209571693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996623A (en) * | 2019-12-23 | 2020-04-10 | 龚爽 | Low-voltage control box heat dissipation device for new energy automobile |
| CN111315199A (en) * | 2020-04-09 | 2020-06-19 | 黄殿华 | Electrical cabinet used in humid environment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 |