CN219961220U - Electric automatization switch board - Google Patents

Electric automatization switch board Download PDF

Info

Publication number
CN219961220U
CN219961220U CN202321258576.9U CN202321258576U CN219961220U CN 219961220 U CN219961220 U CN 219961220U CN 202321258576 U CN202321258576 U CN 202321258576U CN 219961220 U CN219961220 U CN 219961220U
Authority
CN
China
Prior art keywords
control cabinet
top end
heat dissipation
cabinet
switch board
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.)
Active
Application number
CN202321258576.9U
Other languages
Chinese (zh)
Inventor
陶吉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Haotong Power Technology Co ltd
Original Assignee
Zhejiang Haotong Power Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Haotong Power Technology Co ltd filed Critical Zhejiang Haotong Power Technology Co ltd
Priority to CN202321258576.9U priority Critical patent/CN219961220U/en
Application granted granted Critical
Publication of CN219961220U publication Critical patent/CN219961220U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model discloses an electric automatic control cabinet, which relates to the technical field of power equipment and comprises a main body, wherein the front end of the main body is provided with a control cabinet, one end of the main body is provided with a cabinet door, the inner top end of the control cabinet is provided with an air outlet, the upper side of the air outlet is provided with a dust screen, the inner top end of the control cabinet is provided with a heat dissipation mechanism, and the outer top end of the control cabinet is provided with a rainproof mechanism. The utility model is arranged at the top end of the inside of the control cabinet by the mounting bolts through the connecting frame, when the control cabinet is used, the controller can drive the motor in the heat dissipation frame to drive the rotating shaft and the fan blades at the top end to rotate clockwise, so that wind power is generated, the operation equipment in the lower cabinet body is cooled by air cooling, the service life of the operation equipment is prolonged, the blown heat is discharged out of the control cabinet through the air outlet, the outside air is convenient to carry out in the cabinet body, and the dust screen filters impurities in the air to prevent the impurities from being adhered to the operation equipment and damage.

Description

Electric automatization switch board
Technical Field
The utility model relates to the technical field of power equipment, in particular to an electric automatic control cabinet.
Background
The electric automatic control cabinet is characterized in that the switch equipment, the measuring instrument, the protection electrical appliance and the auxiliary equipment are assembled in the closed metal cabinet according to the electric wiring requirement, the arrangement of the electric automatic control cabinet meets the requirement of normal operation of an electric power system, the electric automatic control cabinet is convenient to overhaul, and the safety of personnel and surrounding equipment is not endangered. The circuit can be switched on or off by means of a manual or automatic switch during normal operation. In case of failure or abnormal operation, the circuit is cut off or an alarm is given by means of a protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust certain electrical parameters to prompt or signal deviation from a normal working state. The device has compact structure, stable work and complete functions, and can be suitable for industrial automation control occasions with various sizes and scales. The composite material is widely applied to industries such as electric power, metallurgy, chemical industry, papermaking, environmental protection sewage treatment and the like, has the characteristics of stable performance, expandability, strong interference resistance and the like, and is the core and soul of the modern industry.
The following problems exist in the prior art:
1. the existing electric automatic control cabinet lacks a heat dissipation device in use, and when many faults of the electric control cabinet occur in the use process, internal components are easy to age due to the fact that the working environment temperature of the electric control cabinet is too high, so that potential safety hazards are caused, and the maintenance cost of the control cabinet is increased;
2. when the existing electric automatic control cabinet is in use, rainwater is easy to enter the cabinet body through a gap during outdoor work, so that the interior of the cabinet body is easy to be wet, and equipment is short-circuited;
3. the existing electric automatic control cabinet has no automatic fire extinguishing function in use, so that people cannot guarantee the safety of the control cabinet in use, and property loss is increased.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an electric automatization switch board, includes the main part, the front end of main part is provided with the switch board, the cabinet door is installed to the one end of main part, the inside top of switch board has the air outlet, the upside of air outlet is provided with the dust screen, cooling mechanism is installed on the inside top of switch board, rain-proof mechanism is installed on the outside top of switch board, protection machanism is installed to the one end of switch board, inner chamber one side of switch board is provided with the controller, smoke transducer is installed to one side of cooling mechanism, cooling mechanism includes the link, the upper end of link and the inside top swing joint of switch board, the both ends of link are provided with the mounting bolt, the heat dissipation frame is installed to the downside of link, install the motor in the middle of the inboard of heat dissipation frame, the top of motor is provided with the pivot, the flabellum is installed to the both sides of pivot, rain-proof mechanism includes the cover, the bottom of cover and the outside top fixed connection of switch board, the centre of cover is provided with the cavity, the middle of cavity is provided with the slider, the centre of cover is provided with the bracing piece, the bracing piece is installed to the outside top of bracing piece.
The technical scheme of the utility model is further improved as follows: the both sides of link run through swing joint with the bottom of mounting bolt, the bottom of mounting bolt and the inner chamber top swing joint of switch board.
The technical scheme of the utility model is further improved as follows: the middle of the inner side of the heat dissipation frame is fixedly connected with the bottom end of the motor.
The technical scheme of the utility model is further improved as follows: the middle of the upper end of the sliding block is fixedly connected with the bottom end of the supporting rod.
The technical scheme of the utility model is further improved as follows: the inner side of the cavity is connected with the two sides of the sliding block in a sliding way.
The technical scheme of the utility model is further improved as follows: the protection mechanism comprises a mounting seat, the left end of the mounting seat is fixedly connected with the right end of the outside of the control cabinet, a spraying tank is arranged at the upper end of the mounting seat, a connecting valve is arranged at the upper end of the spraying tank, an electromagnetic valve is arranged on one side of the connecting valve, a limiting plate is arranged on one side of the electromagnetic valve, a spray pipe is arranged in the middle of the limiting plate, and a nozzle is arranged on the lower side of the spray pipe.
The technical scheme of the utility model is further improved as follows: the top of spraying jar and the bottom swing joint of junction valve, the right-hand member of spray tube runs through limiting plate and switch board and solenoid valve's fixed surface connection.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides an electric automatic control cabinet, which is characterized in that under the combined action of a connecting frame, a mounting bolt, a radiating frame, a motor, a rotating shaft and fan blades, a radiating device is added in the improved electric control cabinet, so that operation equipment with the temperature increased in the cabinet body can be subjected to air cooling and cooling, thereby avoiding potential safety hazards, reducing the maintenance cost of the control cabinet, and when the electric automatic control cabinet is used, the connecting frame is mounted at the top end of the inside of the control cabinet by virtue of the mounting bolt, a controller can drive the motor in the radiating frame to drive the rotating shaft and the fan blades at the top end to rotate clockwise, so that wind power is generated, the operation equipment in the lower cabinet body is subjected to air cooling and cooling, the service life of the operation equipment is prolonged, the blown heat is discharged out of the control cabinet through an air outlet, the outside air is convenient to carry out the inside of the cabinet body, and a dust-proof net filters impurities in the air, so that the dust is prevented from being adhered to the operation equipment, and damage is caused.
2. The utility model provides an electric automatic control cabinet, which is characterized in that under the combined action of a supporting sleeve, a cavity, a sliding block, a supporting rod, springs and a rain-proof plate, when the control cabinet works outdoors, rainwater cannot enter the cabinet body through a gap after improvement, equipment short circuit is avoided because the interior of the cabinet body is moist, the supporting sleeve is arranged at the top end of the control cabinet, a plurality of groups of the supporting sleeve are arranged, when the electric automatic control cabinet is used, the rain-proof plate covers the whole control cabinet, the rain-proof plate can drive the supporting rod to move downwards, the sliding block at the bottom end is driven to slide downwards in the cavity, and meanwhile, the springs at the outer sides are compressed for buffering, so that the control cabinet can not only prevent the cabinet body from rainwater, but also prevent high-altitude parabolic.
3. The utility model provides an electric automatic control cabinet, which has an automatic fire extinguishing function under the combined action of a mounting seat, a spraying tank, a connecting valve, an electromagnetic valve, a limiting plate, a spray pipe and a spray nozzle, so that people can ensure the safety of the control cabinet when using the electric automatic control cabinet, property loss is avoided, the electric automatic control cabinet is mounted at the right end of the outer part of the control cabinet through the mounting seat, when a fire disaster is caused by short circuit of an electric element in the cabinet body in use, the electric automatic control cabinet can be detected in real time through a smoke sensor, when the smoke concentration detected by the smoke sensor exceeds a preset value, the electromagnetic valve is controlled to be opened by the controller, fire extinguishing foam in the spraying tank is conveyed into the spray pipe through the connecting valve, fire extinguishing work is performed on the inner part of the cabinet body through a plurality of groups of spray nozzles, the occurrence of fire disaster can be effectively avoided, other components are not damaged, the fire extinguishing efficiency is high, and smoke after fire extinguishing can be discharged through an air outlet, and the cabinet body is prevented from being polluted.
Drawings
FIG. 1 is a schematic diagram of the structure of an electrical automation control cabinet of the present utility model;
FIG. 2 is a schematic diagram of a heat dissipation mechanism according to the present utility model;
FIG. 3 is a schematic view of the rain-proof mechanism of the present utility model;
fig. 4 is a schematic structural view of the protection mechanism of the present utility model.
In the figure: 1. a main body; 2. a control cabinet; 3. a cabinet door; 4. an air outlet; 5. a dust screen; 6. a heat dissipation mechanism; 7. a rain-proof mechanism; 8. a protective mechanism; 9. a controller; 10. a smoke sensor; 61. a connecting frame; 62. installing a bolt; 63. a heat dissipation frame; 64. a motor; 65. a rotating shaft; 66. a fan blade; 71. a support sleeve; 72. a cavity; 73. a slide block; 74. a support rod; 75. a spring; 76. rain-proof board; 81. a mounting base; 82. a spray tank; 83. a connecting valve; 84. an electromagnetic valve; 85. a limiting plate; 86. a spray pipe; 87. and (3) a nozzle.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides an electric automation control cabinet, which comprises a main body 1, wherein a control cabinet 2 is arranged at the front end of the main body 1, a cabinet door 3 is arranged at one end of the main body 1, an air outlet 4 is arranged at the top end of the inside of the control cabinet 2, a dust screen 5 is arranged at the upper side of the air outlet 4, a heat dissipation mechanism 6 is arranged at the top end of the inside of the control cabinet 2, a rainproof mechanism 7 is arranged at the top end of the outside of the control cabinet 2, a protection mechanism 8 is arranged at one end of the control cabinet 2, a controller 9 is arranged at one side of an inner cavity of the control cabinet 2, and a smoke sensor 10 is arranged at one side of the heat dissipation mechanism 6.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the heat dissipation mechanism 6 includes link 61, the upper end of link 61 and the inside top swing joint of switch board 2, the both ends of link 61 are provided with mounting bolt 62, the radiator frame 63 is installed to the downside of link 61, install motor 64 in the middle of the inboard of radiator frame 63, the top of motor 64 is provided with pivot 65, fan blade 66 is installed to the both sides of pivot 65, the both sides of link 61 and the bottom through swing joint of mounting bolt 62, the bottom of mounting bolt 62 and the inner chamber top swing joint of switch board 2, the bottom fixed connection of motor 64 in the middle of the inboard of radiator frame 63.
In this embodiment, the heat abstractor has been increased to electrical control cabinet 2 after the improvement, can carry out the forced air cooling to the operation equipment that the internal temperature of cabinet risees and cool down, thereby avoid causing the potential safety hazard, the cost of maintenance of switch board 2 has been reduced, rely on mounting bolt 62 to install on the inside top of switch board 2 through link 61, when using, the motor 64 in the heat dissipation frame 63 can be driven to controller 9, the pivot 65 and the flabellum 66 on drive the top carry out clockwise rotation, thereby produce wind-force, carry out forced air cooling to the operation equipment of the internal portion of below cabinet, thereby prolonged the life of operation equipment, and the heat of blowing off is discharged switch board 2 through air outlet 4, the internal portion of cabinet is carried out to the outside air of convenience, and dust screen 5 then filters the impurity in the air, prevent to be stained with on the operation equipment, cause the damage.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the rainproof mechanism 7 comprises a supporting sleeve 71, the bottom end of the supporting sleeve 71 is fixedly connected with the outer top end of the control cabinet 2, a cavity 72 is formed in the middle of the supporting sleeve 71, a sliding block 73 is arranged in the middle of the cavity 72, a supporting rod 74 is arranged in the middle of the supporting sleeve 71, a spring 75 is arranged on the outer side of the bottom end of the supporting rod 74, a rainproof plate 76 is arranged on the top end of the supporting rod 74, the middle of the upper end of the sliding block 73 is fixedly connected with the bottom end of the supporting rod 74, and the inner side of the cavity 72 is slidably connected with two sides of the sliding block 73.
In this embodiment, after improving, when switch board 2 at outdoor during operation, can not let the rainwater get into the cabinet body through the gap when raining, avoid the cabinet body inside moist, thereby cause the equipment short circuit, install the top at switch board 2 through supporting sleeve 71, and be equipped with the multiunit, when using, flashing 76 covers switch board 2 wholly, flashing 76 can drive bracing piece 74 and move down, the slider 73 of drive bottom slides down in cavity 72, the spring 75 with the outside compresses simultaneously, cushion, thereby make switch board 2 not only can prevent that the rainwater from carrying out the cabinet body, still can prevent high altitude parabolic.
Example 4
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the protection mechanism 8 comprises a mounting seat 81, the left end of the mounting seat 81 is fixedly connected with the right end of the outside of the control cabinet 2, a spraying tank 82 is arranged at the upper end of the mounting seat 81, a connecting valve 83 is arranged at the upper end of the spraying tank 82, an electromagnetic valve 84 is arranged on one side of the connecting valve 83, a limiting plate 85 is arranged on one side of the electromagnetic valve 84, a spray pipe 86 is arranged in the middle of the limiting plate 85, a spray nozzle 87 is arranged on the lower side of the spray pipe 86, the top end of the spraying tank 82 is movably connected with the bottom end of the connecting valve 83, and the right end of the spray pipe 86 penetrates through the limiting plate 85 and the surface of the control cabinet 2 and is fixedly connected with the surface of the electromagnetic valve 84.
In this embodiment, the switch board 2 after the improvement has the automatic fire extinguishing function for people can guarantee the safety of switch board 2 when using, avoided the property loss, install the outside right-hand member at switch board 2 through mount pad 81, when the cabinet body has electrical components to take place the short circuit to cause the conflagration, but when using, but through smoke transducer 10 real-time detection, when smoke transducer 10 detects that smoke concentration exceeds the value of preset, electromagnetic valve 84 is opened in the control 9 control, electromagnetic valve 84 will spray in jar 82 put out a fire the foam and carry in to spray tube 86 through connecting valve 83, and put out a fire the work through multiunit nozzle 87 to cabinet body inside, can effectively avoid the emergence of conflagration, also can not cause the damage to other components and parts, fire extinguishing efficiency is fast, and smoke accessible air outlet 4 after putting out a fire discharges, avoid polluting the cabinet body.
The working principle of the electric automatic control cabinet is specifically described below.
As shown in fig. 1-4, when the electric automatic control cabinet is used, the electric control cabinet 2 improved by the heat dissipation mechanism 6 is added with a heat dissipation device, so that the operation equipment with the temperature increased in the cabinet body can be cooled by air, thereby avoiding potential safety hazards, reducing the maintenance cost of the control cabinet 2, being installed at the top end of the inside of the control cabinet 2 by means of the mounting bolts 62 through the connecting frame 61, when in use, the controller 9 can drive the motor 64 in the heat dissipation frame 63 to drive the rotating shaft 65 and the fan blades 66 at the top end to rotate clockwise, thereby generating wind power, cooling the operation equipment in the lower cabinet body by air, prolonging the service life of the operation equipment, discharging the blown heat out of the control cabinet 2 by the air outlet 4, facilitating the air in the cabinet body by the outside, filtering impurities in the air by the dust screen 5, and preventing adhesion on the operation equipment, the rain-proof mechanism 7 is improved to prevent rainwater from entering the cabinet body through a gap when the control cabinet 2 works outdoors, so that the cabinet body is prevented from being wet, equipment short circuit is caused, the rain-proof mechanism is arranged at the top end of the control cabinet 2 through the supporting sleeve 71, a plurality of groups are arranged, when the rain-proof mechanism is used, the rain-proof plate 76 covers the whole control cabinet 2, the rain-proof plate 76 can drive the supporting rod 74 to move downwards, the sliding block 73 at the bottom end is driven to slide downwards in the cavity 72, the outer spring 75 is compressed to buffer, the control cabinet 2 can prevent rainwater from being used as a cabinet body, high-altitude parabolic is prevented, the control cabinet 2 improved through the protecting mechanism 8 has an automatic fire-extinguishing function, so that people can ensure the safety of the control cabinet 2 when in use, property loss is avoided, the rain-proof mechanism is arranged at the right end outside the control cabinet 2 through the mounting seat 81, when the fire extinguishing device is used, when the electrical elements in the cabinet body are short-circuited to cause fire, the smoke sensor 10 can detect the fire in real time, when the smoke sensor 10 detects that the smoke concentration exceeds a preset value, the controller 9 controls the electromagnetic valve 84 to be opened, the electromagnetic valve 84 conveys fire extinguishing foam in the spraying tank 82 to the spraying pipe 86 through the connecting valve 83, fire extinguishing work is performed on the inner part of the cabinet body through the plurality of groups of nozzles 87, the fire can be effectively avoided, other elements are not damaged, the fire extinguishing efficiency is high, and smoke after fire extinguishing can be discharged through the air outlet 4 to avoid polluting the cabinet body.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (7)

1. The utility model provides an electric automation control cabinet, includes main part (1), the front end of main part (1) is provided with switch board (2), its characterized in that: the novel intelligent control cabinet comprises a cabinet door (3) arranged at one end of a main body (1), an air outlet (4) is formed in the top end of the interior of a control cabinet (2), a dust screen (5) is arranged on the upper side of the air outlet (4), a heat dissipation mechanism (6) is arranged at the top end of the interior of the control cabinet (2), a rainproof mechanism (7) is arranged at the top end of the exterior of the control cabinet (2), a protection mechanism (8) is arranged at one end of the control cabinet (2), a controller (9) is arranged on one side of an inner cavity of the control cabinet (2), and a smoke sensor (10) is arranged on one side of the heat dissipation mechanism (6);
the heat dissipation mechanism (6) comprises a connecting frame (61), the upper end of the connecting frame (61) is movably connected with the inner top end of the control cabinet (2), mounting bolts (62) are arranged at two ends of the connecting frame (61), a heat dissipation frame (63) is arranged at the lower side of the connecting frame (61), a motor (64) is arranged in the middle of the inner side of the heat dissipation frame (63), a rotating shaft (65) is arranged at the top end of the motor (64), and fan blades (66) are arranged at two sides of the rotating shaft (65);
the rainproof mechanism comprises a supporting sleeve (71), wherein the bottom end of the supporting sleeve (71) is fixedly connected with the outer top end of a control cabinet (2), a cavity (72) is formed in the middle of the supporting sleeve (71), a sliding block (73) is arranged in the middle of the cavity (72), a supporting rod (74) is arranged in the middle of the supporting sleeve (71), a spring (75) is arranged on the outer side of the bottom end of the supporting rod (74), and a rainproof plate (76) is arranged at the top end of the supporting rod (74).
2. An electrical automation control cabinet in accordance with claim 1 wherein: the two sides of the connecting frame (61) are movably connected with the bottom ends of the mounting bolts (62) in a penetrating mode, and the bottom ends of the mounting bolts (62) are movably connected with the top ends of the inner cavities of the control cabinet (2).
3. An electrical automation control cabinet in accordance with claim 2 wherein: the middle of the inner side of the heat dissipation frame (63) is fixedly connected with the bottom end of the motor (64).
4. An electrical automation control cabinet in accordance with claim 1 wherein: the middle of the upper end of the sliding block (73) is fixedly connected with the bottom end of the supporting rod (74).
5. An electrical automation control according to claim 4, wherein: the inner side of the cavity (72) is connected with the two sides of the sliding block (73) in a sliding way.
6. An electrical automation control cabinet in accordance with claim 1 wherein: protection machanism (8) are including mount pad (81), the left end of mount pad (81) is fixed connection with the outside right-hand member of switch board (2), the upper end of mount pad (81) is provided with sprays jar (82), the upper end of spraying jar (82) is provided with connecting valve (83), one side of connecting valve (83) is provided with electromagnetic valve (84), one side of electromagnetic valve (84) is provided with limiting plate (85), the centre of limiting plate (85) is provided with spray tube (86), nozzle (87) are installed to the downside of spray tube (86).
7. An electrical automation control according to claim 6, wherein: the top of spray tank (82) is movably connected with the bottom of connecting valve (83), the right end of spray tube (86) runs through limiting plate (85) and switch board (2) and electromagnetic valve (84) surface fixed connection.
CN202321258576.9U 2023-05-23 2023-05-23 Electric automatization switch board Active CN219961220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321258576.9U CN219961220U (en) 2023-05-23 2023-05-23 Electric automatization switch board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321258576.9U CN219961220U (en) 2023-05-23 2023-05-23 Electric automatization switch board

Publications (1)

Publication Number Publication Date
CN219961220U true CN219961220U (en) 2023-11-03

Family

ID=88544193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321258576.9U Active CN219961220U (en) 2023-05-23 2023-05-23 Electric automatization switch board

Country Status (1)

Country Link
CN (1) CN219961220U (en)

Similar Documents

Publication Publication Date Title
CN212850235U (en) Shore power supply safety protection device
CN214704884U (en) Distribution box body for electric fire monitoring based on internet of things pre-warning
CN112038897A (en) Fire-proof alarm type explosion-proof control cabinet
CN219961220U (en) Electric automatization switch board
CN210152872U (en) Automatic multistage pump control cabinet of control
CN110854714A (en) Dustproof explosion-proof type reactive compensation high voltage power distribution cabinet
CN213753707U (en) Adjustable intelligent control ware cabinet
CN218351994U (en) High-voltage power distribution cabinet with fuse
CN116581673A (en) Electric control cabinet with explosion-proof function
CN214337221U (en) Safety early warning device for switch cabinet
CN211209072U (en) High-efficient radiating electrical control cabinet
CN209183985U (en) A kind of architectural electricity cabinet convenient to overhaul
CN112038938A (en) Safe and environment-friendly electric power cabinet with self-induction function and use method
CN201159632Y (en) Fan blade detection apparatus of cooling column
CN215073273U (en) Cabinet with automatic fire extinguishing function
CN112467549B (en) Switch cabinet with fire extinguishing structure
CN218042085U (en) Electromagnet magnetic regulation and protection control cabinet
CN115377837B (en) Block terminal with protective structure
CN214754843U (en) Solar control cabinet
CN212183914U (en) Structure with adjustable ventilation volume for electric control cabinet
CN219607661U (en) Drying bin alarm device
CN218010779U (en) Fire-fighting equipment maintenance device
CN114122952B (en) High tension switchgear protecting crust and cubical switchboard thereof
CN219474697U (en) Environmental monitoring instrument protector
CN214708497U (en) Explosion-proof dustproof high heat dissipation automatically controlled cabinet

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant