CN109087550B - Remote control industrial robot practical training system - Google Patents

Remote control industrial robot practical training system Download PDF

Info

Publication number
CN109087550B
CN109087550B CN201811192959.4A CN201811192959A CN109087550B CN 109087550 B CN109087550 B CN 109087550B CN 201811192959 A CN201811192959 A CN 201811192959A CN 109087550 B CN109087550 B CN 109087550B
Authority
CN
China
Prior art keywords
workbench
remote control
industrial robot
cabinet body
stop switch
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
CN201811192959.4A
Other languages
Chinese (zh)
Other versions
CN109087550A (en
Inventor
张新龙
郭宝琴
张飞鸿
费文强
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.)
Nanjing Gmc Automation Technology Co ltd
Original Assignee
Nanjing Gmc Automation 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 Nanjing Gmc Automation Technology Co ltd filed Critical Nanjing Gmc Automation Technology Co ltd
Priority to CN201811192959.4A priority Critical patent/CN109087550B/en
Publication of CN109087550A publication Critical patent/CN109087550A/en
Application granted granted Critical
Publication of CN109087550B publication Critical patent/CN109087550B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00Simulators for teaching or training purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Manipulator (AREA)

Abstract

The invention provides a remote control industrial robot practical training system, which comprises a cabinet body, a workbench, a display screen and a rectangular frame, wherein the cabinet body is provided with a display screen; a PLC controller, a power module and a network router are arranged in the cabinet body; the upper side of the workbench is provided with a motor start-stop switch, an indicator light and an emergency stop switch, and the front side of the workbench is provided with a power switch. The industrial robot practical training system can realize remote communication between the PLC controller and the remote control cabinet as well as between the PLC controller and the network camera by utilizing the network router, selects the serial numbers of the remote control cabinet and the network camera which need to be practical trained by utilizing the input keyboard, transmits the real-time state of the industrial robot in real time by utilizing the network camera, and realizes remote control by utilizing the motor start-stop switch and the emergency stop switch, thereby meeting the requirement of the industrial robot on the remote practical training.

Description

Remote control industrial robot practical training system
Technical Field
The invention relates to an industrial robot practical training system, in particular to a remote control industrial robot practical training system.
Background
Along with the gradual advancement of China manufacturing 2025 and industry 4.0, the application of industrial robots presents a year-by-year rapid growth situation, but the robot industry in China has a huge talent gap. Based on this market demand, various colleges and universities and professional schools are correcting to gradually incorporate the theoretical teaching and practical training teaching of the industrial robot into the teaching course. However, in the actual teaching process of the operation of the industrial robot platform, a plurality of problems exist: some experimental facilities are expensive, and one set of experimental facilities cannot be used by one person; the experimental system has a complex structure, is inconvenient to display the working principle, and cannot meet the teaching requirement; the operation of the industrial robot has safety risk, and the teaching safety cannot be ensured; the traditional book teaching mode is single and boring, and is not intuitive and vivid. Therefore, an industrial robot practical training system capable of realizing remote control is required to be designed, a practical training platform can be selected for teaching, and the practical training system has high practical training safety.
Disclosure of Invention
The invention aims at: the remote control industrial robot practical training system can remotely select a practical training platform for teaching and has high practical training safety.
In order to achieve the aim of the invention, the invention provides a remote control industrial robot practical training system, which comprises a cabinet body, a workbench, a display screen and a rectangular frame; the workbench is fixedly arranged above the cabinet body; the display screen is fixedly arranged in the rectangular frame; the lower side edge of the rectangular frame is hinged to the rear edge of the upper side surface of the workbench; a keyboard drawer is arranged on the front side surface of the workbench, and a drawer handle is arranged on the keyboard drawer; an input keyboard is arranged on the keyboard drawer; the front side surface of the cabinet body is hinged with a cabinet door, and a door handle is arranged on the cabinet door; a PLC controller, a power module and a network router are arranged in the cabinet body; a motor start-stop switch, an indicator light and an emergency stop switch are arranged on the upper side surface of the workbench, and a power switch is arranged on the front side surface of the workbench; the network communication port of the PLC is connected with a network router, and the network router is used for network communication with the remote control cabinet and each network camera; the display signal port of the PLC is electrically connected with the display screen; the IO port of the PLC is electrically connected with the input keyboard, the motor start-stop switch, the indicator light and the scram switch respectively; the power supply module is respectively for PLC controller, display screen, network router, input keyboard, motor start-stop switch, pilot lamp and scram switch power supply, and power switch is used for controlling the break-make of power module power supply line.
Further, a driving support and a hinged support are arranged at the rear edge of the upper side surface of the workbench; two ends of the lower side edge of the rectangular frame are respectively hinged on the driving support and the hinged support.
Further, two ends of the lower side edge of the rectangular frame are provided with a hinge shaft; a driving motor is arranged in the cabinet body, and a speed reducer is arranged on the driving motor; a folding switch electrically connected with an IO port of the PLC is arranged on the front side surface of the workbench, and the power supply module supplies power to the folding switch; a driven gear rotatably mounted on the hinge shaft is arranged in the driving support; a driving gear meshed with the driven gear is arranged on an output shaft of the speed reducer; the end part of the hinge shaft is provided with a shaft key groove, the driven gear is provided with a gear key groove, a positioning key is arranged in the shaft key groove, and the positioning key is simultaneously embedded into the gear key groove, so that the coaxial operation of the driven gear and the hinge shaft is realized.
Further, a disc-shaped handle is arranged at the end part of the hinge shaft, and the disc-shaped handle is positioned outside the driving support; a supporting block is fixedly arranged in the disc-shaped handle, a guide pillar is arranged on the supporting block, and a supporting spring is arranged on the guide pillar; one end of the positioning key is hinged in the shaft key groove, and the other end of the positioning key extends into the disc-shaped handle along the shaft key groove; a pressing column is inserted on the circumference of the disc-shaped handle, and the inner end part of the pressing column is fixedly arranged on the positioning key; the end part of the supporting spring is elastically supported on the inner end part of the pressing column, and the upper side edge of the pushing positioning key is obliquely embedded into the gear key groove.
Further, a plurality of gear keyways are provided on the inner wall of the shaft hole of the driven gear at intervals along the circumference of the shaft hole.
Further, a position sensor is arranged on the front side surface of the rectangular frame; the IO port of the PLC is electrically connected with the position sensor; the power module supplies power to the position sensor.
Further, a ventilation window is arranged on the side face of the cabinet body, and a foot is arranged at the bottom of the cabinet body.
Further, a limiting ring is arranged on the end part of the hinge shaft and positioned on two sides of the driven gear, and a notch is arranged on the limiting ring and positioned at the position corresponding to the shaft key groove.
The beneficial effects of the invention are as follows: the remote control cabinet and the serial number of the network camera which need to be trained are selected by using the input keyboard, the real-time state of the industrial robot is transmitted in real time through the network camera, and the remote control is realized by using the motor start-stop switch and the emergency stop switch, so that the remote training requirement of the industrial robot is met.
Drawings
FIG. 1 is a schematic view of the front side structure of the present invention;
FIG. 2 is a left side schematic view of the present invention;
FIG. 3 is a schematic view of a positioning key structure according to the present invention;
FIG. 4 is a schematic side view of a driven gear according to the present invention;
fig. 5 is a schematic diagram of a circuit connection relationship according to the present invention.
Detailed Description
As shown in fig. 1-5, the present invention discloses a remote control industrial robot training system, comprising: the cabinet body 1, the workbench 2, the display screen 11 and the rectangular frame 10; the workbench 2 is fixedly arranged above the cabinet body 1; the display screen 11 is fixedly installed in the rectangular frame 10; the lower side edge of the rectangular frame 10 is hinged at the rear edge of the upper side surface of the workbench 2; a keyboard drawer 6 is arranged on the front side surface of the workbench 2, and a drawer handle 7 is arranged on the keyboard drawer 6; an input keyboard 20 is mounted on the keyboard drawer 6; the front side surface of the cabinet body 1 is hinged with a cabinet door 4, and a door handle 5 is arranged on the cabinet door 4; a PLC controller, a power module and a network router are arranged in the cabinet body 1; a motor start-stop switch 17, an indicator light 18 and an emergency stop switch 19 are arranged on the upper side surface of the workbench 2, and a power switch 16 is arranged on the front side surface of the workbench 2; the network communication port of the PLC is connected with a network router, and the network router is used for network communication with the remote control cabinet and each network camera; the display signal port of the PLC is electrically connected with the display screen 11; the IO port of the PLC is respectively and electrically connected with an input keyboard 20, a motor start-stop switch 17, an indicator lamp 18 and an emergency stop switch 19; the power supply module is respectively used for supplying power to the PLC controller, the display screen 11, the network router, the input keyboard 20, the motor start-stop switch 17, the indicator lamp 18 and the emergency stop switch 19, and the power supply switch 16 is used for controlling the on-off of a power supply circuit of the power supply module.
Further, a driving support 13 and a hinged support 9 are arranged at the rear edge of the upper side surface of the workbench 2; the two ends of the lower side edge of the rectangular frame 10 are respectively hinged on the driving support 13 and the hinged support 9.
Further, a hinge shaft 22 is provided at both ends of the lower side of the rectangular frame 10; a driving motor 30 is arranged in the cabinet body 1, and a speed reducer 31 is arranged on the driving motor 30; the front side surface of the workbench 2 is also provided with a folding switch 8 electrically connected with an IO port of the PLC, and the power supply module supplies power for the folding switch 8; a driven gear 23 rotatably mounted on the hinge shaft 22 is provided in the driving support 13; a drive gear 29 meshed with the driven gear 23 is provided on an output shaft of the speed reducer 31; a shaft key groove 28 is provided at the end of the hinge shaft 22, a gear key groove 33 is provided at the driven gear 23, a positioning key 24 is provided in the shaft key groove 28, and the positioning key 24 is simultaneously embedded in the gear key groove 33, thereby realizing coaxial operation of the driven gear 23 and the hinge shaft 22. Because the display screen 11 has a large size, the driving motor 30 is adopted to drive the folding device to have high automation degree and saves labor.
Further, a disc-shaped handle 14 is installed at the end of the hinge shaft 22, and the disc-shaped handle 14 is located outside the driving support 13; a supporting block 26 is fixedly arranged in the disc-shaped handle 14, a guide post 27 is arranged on the supporting block 26, and a supporting spring 25 is arranged on the guide post 27; one end of the positioning key 24 is hinged in the shaft key groove 28, and the other end extends into the disc-shaped handle 14 along the shaft key groove 28; a pressing column 15 is inserted on the circumference of the disc-shaped handle 14, and the inner end of the pressing column 15 is fixedly arranged on a positioning key 24; the end of the supporting spring 25 is elastically supported on the inner end of the pressing post 15, pushing the upper side of the positioning key 24 to be obliquely inserted into the gear key groove 33. The upper side of the positioning key 24 can be elastically supported by the supporting spring 25 to be obliquely inserted into the gear key groove 33, and after the pressing post 15 is pressed, the positioning key 24 is completely inserted into the shaft key groove 28, so that the driven gear 23 and the hinge shaft 22 can relatively rotate.
Further, a plurality of gear key grooves 33 are provided on the inner wall of the shaft hole 32 of the driven gear 23 at intervals along the circumference of the shaft hole 32. The use of a plurality of gear keyways 33 can facilitate manual adjustment to the corresponding angle.
Further, a position sensor 12 is provided on the front side surface of the rectangular frame 10; the IO port of the PLC is electrically connected with the position sensor 12; the power module provides power to the position sensor 12. Whether the display screen 11 is folded in place or not can be detected by using the position sensor 12, and the display screen 11 is prevented from being extruded and damaged due to the fact that the PLC controller cannot judge and control the rotation number of the driving motor 30 after manually adjusting the angle of the display screen 11.
Further, a ventilation window 21 is provided on the side of the cabinet 1, and a foot 3 is provided on the bottom of the cabinet 1. The ventilation window 21 can be used for realizing ventilation and heat dissipation in the cabinet body 1.
Further, a stopper ring 34 is provided on both sides of the driven gear 23 on the end of the hinge shaft 22, and a notch 35 is provided on the stopper ring 34 at a position corresponding to the shaft key groove 28. The driven gear 23 can be rotatably arranged on the end part of the hinge shaft 22 by using the two limiting rings 34, and the limiting between the driven gear 23 and the hinge shaft 22 is realized under the action of the positioning key 24; the provision of the notch 35 can facilitate the snap-up of the detent key 24 with its upper side inclined into the gear keyway 33.
In the remote control industrial robot practical training system, the PLC controller is an existing PLC controller; the position sensor 12 adopts the existing infrared position sensor, and can detect whether the rectangular frame 10 is folded down into place; the network route adopts the existing router, so that the remote network instant communication between the PLC controller and the remote control cabinet and between the PLC controller and the network camera can be realized; the input keyboard 20 adopts the existing keyboard, and can input the serial number of the remote control cabinet and the serial number of the network camera; the display screen 11 adopts the existing LCD display screen and is used for displaying the image shot by the network camera in real time; the driving motor 30 adopts a conventional stepping motor.
When the remote control industrial robot training system is used, firstly, the folding switch 8 is pressed down, the PLC controller controls the driving motor 30 to rotate after receiving a key signal, and the driving gear 29 drives the driven gear 23 to rotate, so that the display screen 11 is driven to rotate from a folding state folded on the workbench 2 to a vertical state; the driving motor 30 drives the display screen 11 to turn to a vertical state, the turning angle is fixed and controlled by a PLC controller according to a preset program; if the turning angle is required to be changed after the display screen is turned to the vertical state, the outer end part of the pressing column 15 is required to be pressed, so that the positioning key 24 is completely embedded into the shaft key groove 28, the display screen 11 is manually turned to the corresponding angle position, and then the pressing column 15 is loosened so that the upper side edge of the positioning key 24 is obliquely embedded into the gear key groove 33 to realize the angle positioning of the display screen 11; when training control is performed, firstly, a remote control cabinet which needs to participate in training and the number of a corresponding network camera are input through an input keyboard 20, a video image shot by the network camera is displayed in real time by a display screen 11, the remote control cabinet is remotely controlled in real time through a motor start-stop switch 17 and an emergency stop switch 19, then the industrial robot on site is controlled in real time by the remote control cabinet, the real-time video shot by the network camera is transmitted to the display screen 11 for display, and an indicator lamp 18 can display the network communication state in real time; after the training is finished, the folding switch 8 is pressed, the driving motor 30 is controlled to rotate by the PLC controller, the display screen 11 is folded towards the upper side surface of the workbench 2, and after the position sensor 12 detects that the display screen approaches the upper side surface of the workbench 2, the driving motor 30 is controlled by the PLC controller to stop driving; finally, the power switch 16 is turned off to stop power supply.

Claims (4)

1. The utility model provides a real standard system of remote control industrial robot which characterized in that: comprises a cabinet body (1), a workbench (2), a display screen (11) and a rectangular frame (10); the workbench (2) is fixedly arranged above the cabinet body (1); the display screen (11) is fixedly arranged in the rectangular frame (10); the lower side edge of the rectangular frame (10) is hinged at the rear edge of the upper side surface of the workbench (2); a keyboard drawer (6) is arranged on the front side surface of the workbench (2), and a drawer handle (7) is arranged on the keyboard drawer (6); an input keyboard (20) is arranged on the keyboard drawer (6); the front side surface of the cabinet body (1) is hinged with a cabinet door (4), and a door handle (5) is arranged on the cabinet door (4); a PLC controller, a power supply module and a network router are arranged in the cabinet body (1); a motor start-stop switch (17), an indicator lamp (18) and an emergency stop switch (19) are arranged on the upper side surface of the workbench (2), and a power switch (16) is arranged on the front side surface of the workbench (2); the network communication port of the PLC is connected with a network router, and the network router is used for network communication with the remote control cabinet and each network camera; a display signal port of the PLC is electrically connected with a display screen (11); the IO port of the PLC is respectively and electrically connected with an input keyboard (20), a motor start-stop switch (17), an indicator lamp (18) and an emergency stop switch (19); the power supply module is used for respectively supplying power to the PLC controller, the display screen (11), the network router, the input keyboard (20), the motor start-stop switch (17), the indicator lamp (18) and the emergency stop switch (19), and the power supply switch (16) is used for controlling the on-off of a power supply circuit of the power supply module; a driving support (13) and a hinged support (9) are arranged at the rear edge of the upper side surface of the workbench (2); two ends of the lower side edge of the rectangular frame (10) are respectively hinged on the driving support (13) and the hinged support (9); two ends of the lower side edge of the rectangular frame (10) are provided with a hinge shaft (22); a driving motor (30) is arranged in the cabinet body (1), and a speed reducer (31) is arranged on the driving motor (30); a folding switch (8) electrically connected with an IO port of the PLC is arranged on the front side surface of the workbench (2), and the power supply module supplies power to the folding switch (8); a driven gear (23) rotatably mounted on the hinge shaft (22) is arranged in the driving support (13); a driving gear (29) meshed with the driven gear (23) is arranged on the output shaft of the speed reducer (31); a shaft key groove (28) is formed in the end part of the hinge shaft (22), a gear key groove (33) is formed in the driven gear (23), a positioning key (24) is arranged in the shaft key groove (28), and the positioning key (24) is simultaneously embedded into the gear key groove (33) so as to realize coaxial operation of the driven gear (23) and the hinge shaft (22); a disc-shaped handle (14) is arranged at the end part of the hinge shaft (22), and the disc-shaped handle (14) is positioned outside the driving support (13); a supporting block (26) is fixedly arranged in the disc-shaped handle (14), a guide pillar (27) is arranged on the supporting block (26), and a supporting spring (25) is arranged on the guide pillar (27); one end of the positioning key (24) is hinged in the shaft key groove (28), and the other end extends into the disc-shaped handle (14) along the shaft key groove (28); a pressing column (15) is inserted on the circumference of the disc-shaped handle (14), and the inner end part of the pressing column (15) is fixedly arranged on a positioning key (24); the end part of the supporting spring (25) is elastically supported on the inner end part of the pressing column (15), and the upper side edge of the pushing positioning key (24) is obliquely embedded into the gear key groove (33);
a plurality of gear keyways (33) are arranged on the inner wall of the shaft hole (32) of the driven gear (23) at intervals along the circumference of the shaft hole (32).
2. The remote control industrial robot training system of claim 1, wherein: a position sensor (12) is arranged on the front side surface of the rectangular frame (10); the IO port of the PLC is electrically connected with the position sensor (12); the power module provides power to the position sensor (12).
3. The remote control industrial robot training system of claim 1, wherein: a ventilation window (21) is arranged on the side surface of the cabinet body (1); a footing (3) is arranged at the bottom of the cabinet body (1).
4. The remote control industrial robot training system of claim 1, wherein: a limiting ring (34) is arranged on the end part of the hinge shaft (22) and positioned on two sides of the driven gear (23), and a notch (35) is arranged on the limiting ring (34) and positioned at a position corresponding to the shaft key groove (28).
CN201811192959.4A 2018-10-13 2018-10-13 Remote control industrial robot practical training system Active CN109087550B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811192959.4A CN109087550B (en) 2018-10-13 2018-10-13 Remote control industrial robot practical training system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811192959.4A CN109087550B (en) 2018-10-13 2018-10-13 Remote control industrial robot practical training system

Publications (2)

Publication Number Publication Date
CN109087550A CN109087550A (en) 2018-12-25
CN109087550B true CN109087550B (en) 2024-05-03

Family

ID=64843676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811192959.4A Active CN109087550B (en) 2018-10-13 2018-10-13 Remote control industrial robot practical training system

Country Status (1)

Country Link
CN (1) CN109087550B (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980014221A (en) * 1996-08-09 1998-05-25 배순훈 Monitor screen inclination adjustment
CN2877199Y (en) * 2005-12-31 2007-03-07 深圳路美特科技有限公司 On vehicle display screen turn-over device
CN201899055U (en) * 2010-12-01 2011-07-20 无锡升展五金机电有限公司 Paint brush handle
CN203308281U (en) * 2013-07-03 2013-11-27 福州阿尔卡诺智能科技有限公司 Locking mechanism of ratchet gear of door opener
CN106828211A (en) * 2017-02-21 2017-06-13 广州视源电子科技股份有限公司 A kind of device for regulating chair angle
CN206548196U (en) * 2016-12-12 2017-10-13 区广铨 A kind of foot pedal structure
CN206649722U (en) * 2016-12-26 2017-11-17 潘中建 A kind of interactive computer remote education device
CN107414861A (en) * 2017-08-31 2017-12-01 合肥工业大学 The wheeled rescue robot of remote command
CN206744888U (en) * 2017-01-22 2017-12-15 北京世纪百强家具有限责任公司 Collapsible tables
CN207962575U (en) * 2018-04-08 2018-10-12 许翁良 A kind of novel directional rotary lamp holder
CN209133005U (en) * 2018-10-13 2019-07-19 南京吉目希自动化科技有限公司 A kind of long-range control industrial robot experience system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9731633B2 (en) * 2015-07-21 2017-08-15 Lear Corporation Recliner mechanism

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980014221A (en) * 1996-08-09 1998-05-25 배순훈 Monitor screen inclination adjustment
CN2877199Y (en) * 2005-12-31 2007-03-07 深圳路美特科技有限公司 On vehicle display screen turn-over device
CN201899055U (en) * 2010-12-01 2011-07-20 无锡升展五金机电有限公司 Paint brush handle
CN203308281U (en) * 2013-07-03 2013-11-27 福州阿尔卡诺智能科技有限公司 Locking mechanism of ratchet gear of door opener
CN206548196U (en) * 2016-12-12 2017-10-13 区广铨 A kind of foot pedal structure
CN206649722U (en) * 2016-12-26 2017-11-17 潘中建 A kind of interactive computer remote education device
CN206744888U (en) * 2017-01-22 2017-12-15 北京世纪百强家具有限责任公司 Collapsible tables
CN106828211A (en) * 2017-02-21 2017-06-13 广州视源电子科技股份有限公司 A kind of device for regulating chair angle
CN107414861A (en) * 2017-08-31 2017-12-01 合肥工业大学 The wheeled rescue robot of remote command
CN207962575U (en) * 2018-04-08 2018-10-12 许翁良 A kind of novel directional rotary lamp holder
CN209133005U (en) * 2018-10-13 2019-07-19 南京吉目希自动化科技有限公司 A kind of long-range control industrial robot experience system

Also Published As

Publication number Publication date
CN109087550A (en) 2018-12-25

Similar Documents

Publication Publication Date Title
CN202718897U (en) Electric fan with controllable head shaking angles and human body induction function
CN203828390U (en) Automatic opening-closing type desk
CN111145618A (en) Mechanical teaching aid integrating multiple motion mechanisms
CN109087550B (en) Remote control industrial robot practical training system
CN209133005U (en) A kind of long-range control industrial robot experience system
CN107123339A (en) A kind of English teaching wireless remote control Mobile Teaching frame
CN216903861U (en) Power distribution cabinet with safety monitoring device
CN203591146U (en) Multifunctional curtain device
CN214283873U (en) Drawing workbench for indoor design
CN212161026U (en) Display device that music teaching was used
WO2017139951A1 (en) Computer having automatic adjustment function based on smart home
CN109285432B (en) Buoyancy teaching demonstration device for physical electromagnetic induction experiment
CN102278057A (en) Double-glass shutter module
CN214627209U (en) Safety monitoring device based on thing networking
CN107883296A (en) A kind of frame type lifting scene lighting module
CN205267404U (en) Automatic control multimedia platform
CN220582084U (en) Put in screen
CN210015597U (en) Mechanical automatic servo principle demonstration device
CN207663659U (en) Assembled architecture dry wall block processing mold teaching demonstration system
CN218883554U (en) Shooting device convenient to angle modulation
CN212443442U (en) Plate cutting device for building construction
CN212987046U (en) Energy-conserving lighting device with adjustable construction
CN220706911U (en) Guide broadcasting device for outdoor live broadcast and rebroadcasting
CN215495781U (en) Large screen convenient to brightness control
CN213586072U (en) Central monitoring device convenient to adjust

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant