CN210273291U - Drawer type switch cabinet - Google Patents
Drawer type switch cabinet Download PDFInfo
- Publication number
- CN210273291U CN210273291U CN201921467628.7U CN201921467628U CN210273291U CN 210273291 U CN210273291 U CN 210273291U CN 201921467628 U CN201921467628 U CN 201921467628U CN 210273291 U CN210273291 U CN 210273291U
- Authority
- CN
- China
- Prior art keywords
- switch cabinet
- main body
- drawer
- rectangular
- main part
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses a drawer type switch cabinet, including the cubical switchboard main part, there is the rectangular plate at both ends along the equal fixed mounting of vertical direction about the inner chamber middle part of cubical switchboard main part, from last to all installing the drawer main part through the slide rail down between the inner chamber outside of cubical switchboard main part and the rectangular plate, and the front side of drawer main part stretches out the front side of cubical switchboard main part, the bar hole that sets up along the fore-and-aft direction is all seted up to down to last to the left and right sides of drawer main part, the first rectangular hole that corresponds the position with the drawer main part is all seted up to down from last to the inboard of the outside of cubical switchboard main part and rectangular plate, the equal fixed mounting in left and right sides of cubical switchboard main part has the bar shell, the inner chamber top of bar shell is for lining up form and fixed. The drawer type switch cabinet has good ventilation and heat dissipation effects, effectively reduces the temperature in the cabinet, and can ensure that the conductors and the through-current capacity of each element are fully exerted.
Description
Technical Field
The utility model relates to a cubical switchboard technical field specifically is a drawer type switch cabinet.
Background
The drawer type switch cabinet is a closed shell made of steel plates, electrical components of an incoming and outgoing line loop are all installed in an extractable drawer to form a functional unit capable of completing a certain type of power supply task, isolation measures are also arranged among the functional units, the drawer type switch cabinet has high reliability, safety and interchangeability, and is an advanced switch cabinet;
the draw-out switch cabinet has the obvious defects that the temperature in the cabinet is too high due to poor ventilation and heat dissipation conditions, the through-current capacity of conductors and elements is influenced to be fully exerted, and the draw-out switch cabinet is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drawer type switch cabinet to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a drawer type switch cabinet comprises a switch cabinet main body, wherein rectangular plates are fixedly arranged at the left end and the right end of the middle part of an inner cavity of the switch cabinet main body along the vertical direction, a drawer main body is arranged between the outer side of the inner cavity of the switch cabinet main body and the rectangular plate from top to bottom through a slide rail, the front side of the drawer main body extends out of the front side of the switch cabinet main body, the left side and the right side of the drawer main body are provided with strip-shaped holes arranged along the front-back direction from top to bottom, the outer side of the switch cabinet main body and the inner side of the rectangular plate are both provided with first rectangular holes corresponding to the drawer main body from top to bottom, the left side and the right side of the switch cabinet main body are both fixedly provided with a strip-shaped shell, the top end of the inner cavity of the strip-shaped shell is in a through shape and is fixedly provided with a first filter screen, the middle part of the bottom end of the inner cavity of the switch cabinet main body is provided with a heat dissipation part, and the top end of the switch cabinet main body is provided with a reciprocating driving mechanism.
Preferably, the heat dissipation part comprises a fan, a second rectangular hole, a second filter screen, an air inlet cover, a strip-shaped plate, an air pipeline, an air outlet pipe and an air outlet cover;
the air blower is fixedly installed in the middle of the bottom end of the inner cavity of the switch cabinet main body, the air blower is located on the inner side of the rectangular plate, a second rectangular hole is formed in the middle of the bottom end of the front side of the switch cabinet main body, a second filter screen is fixedly installed in the inner cavity of the second rectangular hole, an air inlet cover is screwed on an air inlet of the air blower and fixedly connected with the inner cavity of the second rectangular hole, strip-shaped plates arranged along the left-right direction are fixedly installed at the upper end and the lower end of the inner side of the rectangular plate, the gas pipeline is arranged along the vertical direction and penetrates through the upper surfaces of the strip-shaped plates and is fixedly connected with the strip-shaped plates through bearings, an inner ring of each bearing is in interference fit with an outer wall of the gas pipeline, an outer ring of each bearing is fixedly installed at the bottom end of each strip-shaped plate, an air outlet of the, the outer wall left and right sides of gas pipeline from last to all the spiro union down have with be located the inboard first rectangular hole corresponding position's of rectangular plate gas outlet cover.
Preferably, the reciprocating driving mechanism comprises a speed reducing motor, a circular plate, a rotating shaft, a rectangular block and a strip-shaped rod;
gear motor fixed mounting is at the top front side middle part of cubical switchboard main part, and gear motor and fan electric connection, gear motor's output extends into the inner chamber and the interference fit of cubical switchboard main part and has the circular slab, the bottom front side of circular slab is rotated through the bearing and is connected with the pivot, the bottom fixed mounting of pivot has the rectangular block, the inner chamber front side of rectangular block has pegged graft the bar pole, and the rear side of bar pole stretches out the inner chamber rear side and the fixed mounting at gas pipeline's outer wall front side top of rectangular block.
Preferably, the left side of the top end of the inner cavity of the switch cabinet main body is fixedly provided with a temperature sensor, and the temperature sensor is electrically connected with the fan and the speed reducing motor.
Preferably, the strip-shaped shell is fixedly installed on the outer side of the switch cabinet main body along the vertical direction, and an inner cavity of the strip-shaped shell is communicated with an inner cavity of the first rectangular hole located on the outer side of the switch cabinet main body.
Preferably, the shape of the air outlet cover is conical.
Preferably, the circular plate is located at a front side of the gas duct.
Compared with the prior art, the beneficial effects of the utility model are that: this drawer type switch cabinet, can accelerate the circulation of air in the drawer main part through the cooperation of radiating part, the rectangular hole, bar hole and bar shell, can make gas duct reciprocating rotation about through being provided with reciprocating drive mechanism, make the gas outlet cover can reciprocating swing around in the exhaust gas, thereby can increase the inside and gaseous contact range of drawer main part, in order to dispel the heat fast, the device ventilation cooling is respond well, effectual reduction cabinet internal temperature, can ensure conductor and each component through-flow capacity's full play.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a front sectional view of the present invention;
fig. 3 is a left side sectional view of the present invention;
fig. 4 is a bottom view of the circular plate of the present invention.
In the figure: 1. cubical switchboard main part, 2, rectangular plate, 3, drawer main part, 4, bar hole, 5, first rectangular hole, 6, bar shell, 7, first filter screen, 8, fan, 9, second rectangular hole, 10, second filter screen, 11, air inlet cover, 12, bar plate, 13, gas piping, 14, outlet duct, 15, air outlet cover, 16, gear motor, 17, circular slab, 18, pivot, 19, rectangular block, 20, bar pole, 21, temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a drawer type switch cabinet comprises a switch cabinet main body 1, wherein rectangular plates 2 are fixedly arranged at the left and right ends of the middle part of an inner cavity of the switch cabinet main body 1 along the vertical direction, drawer main bodies 3 are arranged between the outer side of the inner cavity of the switch cabinet main body 1 and the rectangular plates 2 from top to bottom through slide rails, the front sides of the drawer main bodies 3 extend out of the front side of the switch cabinet main body 1, strip-shaped holes 4 arranged along the front and back direction are respectively arranged at the left and right sides of the drawer main body 3 from top to bottom, the strip-shaped holes 4 can be used for radiating the inside of the drawer main body 3, first rectangular holes 5 at the positions corresponding to the drawer main body 3 are respectively arranged at the outer side of the switch cabinet main body 1 and the inner side of the rectangular plates 2 from top to bottom, gas discharged from a gas outlet cover 15 can be blown into the inside of the drawer main body, the inner chamber top of bar shell 6 is for lining up form and fixed mounting has first filter screen 7, and in avoiding the dust to get into bar shell 6 through the inner chamber top opening part of bar shell 6, the inner chamber bottom middle part of cubical switchboard main part 1 is provided with the radiating part, and the top of cubical switchboard main part 1 is provided with reciprocal actuating mechanism.
The following electric devices have the following types and functions:
and (4) a fan 8: the JHD-25 model is controlled by a temperature sensor 21, and a large amount of gas can be transmitted into the gas pipeline 13 through the gas outlet pipe 14;
the reduction motor 16: model R107R77, controlled by the outer wall operating system, can drive the circular plate 17 to rotate clockwise around its axis;
temperature sensor 21: model number OHR-WS20, controlled by an external operating system, can monitor temperature, and can control the fan 8 and the gearmotor 16 to start.
Preferably, the heat dissipation part comprises a fan 8, a second rectangular hole 9, a second filter screen 10, an air inlet cover 11, a strip-shaped plate 12, an air pipeline 13, an air outlet pipe 14 and an air outlet cover 15;
the fan 8 is fixedly arranged in the middle of the bottom end of the inner cavity of the switch cabinet main body 1, the fan 8 is positioned on the inner side of the rectangular plate 2, a second rectangular hole 9 is formed in the middle of the bottom end of the front side of the switch cabinet main body 1, a second filter screen 10 is fixedly arranged in the inner cavity of the second rectangular hole 9, the second filter screen 10 can prevent dust from entering the interior of the switch cabinet main body 1 under the suction action of the fan 8, an air inlet cover 11 is screwed on an air inlet of the fan 8, the air inlet cover 11 is fixedly connected with the inner cavity of the second rectangular hole 9, strip-shaped plates 12 arranged along the left and right directions are fixedly arranged at the upper end and the lower end of the inner side of the rectangular plate 2, the strip-shaped plates 12 can be used for fixing a gas pipeline 13, the gas pipeline 13 is arranged along the vertical direction and penetrates through the upper surface of the strip-shaped plates 12, the gas pipeline 13 is fixedly, and the outer ring of the bearing is fixedly mounted at the bottom end of the strip-shaped plate 12, the gas pipeline 13 can rotate clockwise or anticlockwise around the axis of the gas pipeline 13, the gas outlet of the fan 8 is screwed with one end of the gas outlet pipe 14, the other end of the gas outlet pipe 14 is fixedly connected with the bottom end of the inner cavity of the gas pipeline 13 through the bearing, the bottom end of the gas pipeline 13 can rotate on the outer wall of the gas outlet pipe 14, the left side and the right side of the outer wall of the gas pipeline 13 are screwed with gas outlet covers 15 corresponding to the first rectangular holes 5 in the rectangular plates 2 from top to bottom, and the gas in the gas conveying gas pipeline 13 can be discharged outwards through.
Preferably, the reciprocating driving mechanism further comprises a speed reducing motor 16, a circular plate 17, a rotating shaft 18, a rectangular block 19 and a bar-shaped rod 20;
the speed reducing motor 16 is fixedly installed in the middle of the front side of the top end of the switch cabinet main body 1, the speed reducing motor 16 is electrically connected with the fan 8, the output end of the speed reducing motor 16 extends into the inner cavity of the switch cabinet main body 1 and is in interference fit with the circular plate 17, the circular plate 17 can rotate clockwise around the axis of the circular plate 17 under the driving of the speed reducing motor 16, the front side of the bottom end of the circular plate 17 is rotatably connected with a rotating shaft 18 through a bearing, a rectangular block 19 is fixedly installed at the bottom end of the rotating shaft 18, when the circular plate 17 rotates clockwise, the rotating shaft 18 and the rectangular block 19 can do clockwise circular motion around the axis of the circular plate 17, a strip-shaped rod 20 is inserted in the front side of the inner cavity of the rectangular block 19, the rear side of the strip-shaped rod 20 extends out of the rear side of the inner cavity of the rectangular block 19 and is fixedly installed at the top end of the front side, the rectangular block 19 is moved left and right on the outer wall of the bar 20 and pushes the bar 20 to swing back and forth left and right about the axis of the gas pipe 13.
As the preferred scheme, further, a temperature sensor 21 is fixedly installed on the left side of the top end of the inner cavity of the switch cabinet main body 1, the temperature sensor 21 is electrically connected with the fan 8 and the speed reduction motor 16, and the fan 8 and the speed reduction motor 16 can be controlled to be automatically started through the temperature sensor 21.
Preferably, the strip-shaped shell 6 is fixedly installed on the outer side of the switch cabinet main body 1 along the vertical direction, and an inner cavity of the strip-shaped shell 6 is communicated with an inner cavity of the first rectangular hole 5 located on the outer side of the switch cabinet main body 1, so that air can penetrate through the inner cavity of the drawer main body 3 through the strip-shaped shell 6, and the heat dissipation effect of the drawer main body 3 is enhanced.
Preferably, the gas outlet cover 15 is tapered to facilitate gas diffusion.
Preferably, the circular plate 17 is located at the front side of the gas pipe 13 to prevent the circular plate 17 from colliding the rotation shaft 18 and the rectangular block 19 with the gas pipe 13 when rotating.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the temperature-adjustable air-conditioner is used, an external power supply of the temperature sensor 21 is connected, when the temperature in the switch cabinet main body 1 monitored by the temperature sensor 21 is overhigh, the temperature sensor 21 can control the fan 8 and the speed-reducing motor 16 to be started, when the fan 8 is started, external air can be sucked into the air inlet 8 through the second rectangular hole 9 and the air inlet cover 11 and is exhausted into the air inlet pipeline 13 through the air outlet hanger 14, then is exhausted outwards through the air outlet cover 15 and can be blown into the first rectangular hole 5 positioned on the inner side of the rectangular plate 2, after the speed-reducing motor 16 is started, the circular plate 17 can be driven to rotate clockwise around the axis of the circular plate 17, the rotating shaft 18 is enabled to drive the rectangular block 19 to do clockwise circular motion around the axis of the circular plate 17, when the rectangular block 19 does circular motion through the matching of the rectangular block 19 and the strip-shaped rod 20, the rectangular block 19 moves left and right on the outer wall of the strip-shaped rod 20, thereby can make gas duct 13 drive the 15 reciprocating oscillations around of gas outlet cover, can enlarge gaseous emission range through gas outlet cover 15, drawer main part 3 has been increased and has passed through bar hole 4 and gaseous contact range, and can make gaseous first rectangular hole 5 that passes through bar hole 4 and lie in the 1 inner chamber outside of cubical switchboard main part arrange into in entering bar shell 6, thereby can accelerate the circulation of air and take away the heat in drawer main part 3, the radiating effect of cubical switchboard main part 1 has been improved, the component that has ensured in cubical switchboard main part 1 can normal use, be favorable to extensively promoting.
In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "left side", "right side", "front side", "rear side", "outer wall", "inner cavity", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "insert," "threaded," "fixed mount," "interference fit," "disposed," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A drawer type switch cabinet comprises a switch cabinet main body (1), and is characterized in that: the drawer type switch cabinet is characterized in that rectangular plates (2) are fixedly mounted at the left end and the right end of the middle portion of an inner cavity of the switch cabinet main body (1) along the vertical direction, drawer main bodies (3) are mounted between the outer side of the inner cavity of the switch cabinet main body (1) and the rectangular plates (2) from top to bottom through sliding rails, the front side of the switch cabinet main body (1) is extended out of the front side of the drawer main body (3), strip holes (4) arranged along the front-back direction are formed in the left side and the right side of the drawer main body (3) from top to bottom, first rectangular holes (5) corresponding to the drawer main bodies (3) are formed in the outer side of the switch cabinet main body (1) and the inner side of the rectangular plates (2) from top to bottom, strip shells (6) are fixedly mounted on the left side and the right side of the switch cabinet main body (1), a first filter screen, the middle of the bottom end of the inner cavity of the switch cabinet main body (1) is provided with a heat dissipation part, and the top end of the switch cabinet main body (1) is provided with a reciprocating driving mechanism.
2. The drawer-type switchgear cabinet as claimed in claim 1, wherein: the heat dissipation part comprises a fan (8), a second rectangular hole (9), a second filter screen (10), an air inlet cover (11), a strip-shaped plate (12), an air pipeline (13), an air outlet pipe (14) and an air outlet cover (15);
the air blower (8) is fixedly arranged in the middle of the bottom end of an inner cavity of the switch cabinet main body (1), the air blower (8) is located on the inner side of the rectangular plate (2), a second rectangular hole (9) is formed in the middle of the bottom end of the front side of the switch cabinet main body (1), a second filter screen (10) is fixedly arranged in the inner cavity of the second rectangular hole (9), an air inlet cover (11) is screwed on an air inlet of the air blower (8), the air inlet cover (11) is fixedly connected with the inner cavity of the second rectangular hole (9), strip plates (12) arranged along the left and right directions are fixedly arranged at the upper end and the lower end of the inner side of the rectangular plate (2), the gas pipeline (13) is arranged along the vertical direction and penetrates through the upper surface of the strip plates (12), the gas pipeline (13) is fixedly connected with the strip plates (12) through a bearing, an inner ring of the bearing is in interference fit with the outer wall, and the outer loop fixed mounting of bearing is in the bottom of bar shaped plate (12), the gas outlet spiro union of fan (8) has the one end of outlet duct (14), the inner chamber bottom fixed connection of the other end of outlet duct (14) through bearing and gas pipeline (13), the outer wall left and right sides of gas pipeline (13) from last to down all the spiro union have with be located venture (15) of the inboard first rectangular hole (5) corresponding position of rectangular plate (2).
3. The drawer-type switchgear cabinet as claimed in claim 1, wherein: the reciprocating driving mechanism comprises a speed reducing motor (16), a circular plate (17), a rotating shaft (18), a rectangular block (19) and a strip-shaped rod (20);
gear motor (16) fixed mounting is in the top front side middle part of cubical switchboard main part (1), and gear motor (16) and fan (8) electric connection, the output of gear motor (16) extends into the inner chamber and interference fit of cubical switchboard main part (1) has circular slab (17), the bottom front side of circular slab (17) rotates through the bearing and is connected with pivot (18), the bottom fixed mounting of pivot (18) has rectangular block (19), the inner chamber front side grafting of rectangular block (19) has bar pole (20), and the rear side of bar pole (20) stretches out the inner chamber rear side and the fixed mounting at the outer wall front side top of gas pipeline (13) of rectangular block (19).
4. The drawer-type switchgear cabinet as claimed in claim 1, wherein: the inner chamber top left side fixed mounting of cubical switchboard main part (1) has temperature sensor (21), and temperature sensor (21) and fan (8) and gear motor (16) electric connection.
5. The drawer-type switchgear cabinet as claimed in claim 1, wherein: the strip-shaped shell (6) is fixedly installed on the outer side of the switch cabinet main body (1) in the vertical direction, and the inner cavity of the strip-shaped shell (6) is communicated with the inner cavity of the first rectangular hole (5) located on the outer side of the switch cabinet main body (1).
6. The drawer-type switchgear cabinet as claimed in claim 2, wherein: the air outlet cover (15) is conical.
7. The drawer-type switchgear cabinet as claimed in claim 3, wherein: the circular plate (17) is located on the front side of the gas duct (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467628.7U CN210273291U (en) | 2019-09-05 | 2019-09-05 | Drawer type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467628.7U CN210273291U (en) | 2019-09-05 | 2019-09-05 | Drawer type switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210273291U true CN210273291U (en) | 2020-04-07 |
Family
ID=70018864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921467628.7U Expired - Fee Related CN210273291U (en) | 2019-09-05 | 2019-09-05 | Drawer type switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210273291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260081A (en) * | 2020-10-13 | 2021-01-22 | 江苏柏芸金属科技有限公司 | Electric appliance cabinet with adjustable structure |
-
2019
- 2019-09-05 CN CN201921467628.7U patent/CN210273291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260081A (en) * | 2020-10-13 | 2021-01-22 | 江苏柏芸金属科技有限公司 | Electric appliance cabinet with adjustable structure |
| CN112260081B (en) * | 2020-10-13 | 2022-08-23 | 江苏柏芸金属科技有限公司 | Electric appliance cabinet with adjustable structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108800328B (en) | Indoor unit of cabinet air conditioner | |
| CN210273291U (en) | Drawer type switch cabinet | |
| CN202374120U (en) | Cooler for enclosed motor | |
| CN210490719U (en) | High-efficient heat dissipation variable frequency control cabinet | |
| CN208025675U (en) | Air-conditioning equipment | |
| CN108934148B (en) | A kind of network security terminal called cabinet | |
| CN213521562U (en) | Colliery is heat sink for electromechanics | |
| CN209881107U (en) | Plateau type environment-friendly gas switch protective equipment | |
| CN115800042B (en) | Self-adjusting ring main unit heat dissipation mechanism | |
| CN215221497U (en) | Intelligent power distribution monitoring system terminal based on wireless transmission ad hoc network | |
| CN213878992U (en) | Block terminal that radiating effect is good | |
| CN216462343U (en) | Heat dissipation device applied to desk type reflow soldering machine | |
| CN210663108U (en) | Cooling mechanism of refrigeration equipment outer unit | |
| CN209929797U (en) | Distribution equipment ventilation dust keeper | |
| CN208487764U (en) | A kind of fixed frame and air conditioner of air conditioner swing flap motor | |
| CN104533729A (en) | Dust isolation exhaust device and hub cooling system comprising same | |
| CN115693437B (en) | Switch board with temperature regulation function | |
| CN110918561A (en) | Tuberculosis check out test set's inside dust pelletizing system | |
| CN111082343A (en) | Dehumidification cooling block terminal | |
| CN212202560U (en) | Fan capable of preventing dust from entering bearing | |
| CN109059165B (en) | Fresh air device and air conditioner with same | |
| CN218096491U (en) | Intelligent air conditioner wind gap of convenient clearance | |
| CN204476671U (en) | A kind of dust-separation air exhausting device and comprise the wheel hub cooling system of this device | |
| CN213238122U (en) | Equipment for producing moisture absorption and sweat releasing finishing agent | |
| CN211424763U (en) | Liquid storage device for refrigeration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200407 Termination date: 20200905 |