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CN111677992A - High altitude supervisory equipment of protection camera and convenient maintenance - Google Patents

High altitude supervisory equipment of protection camera and convenient maintenance Download PDF

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Publication number
CN111677992A
CN111677992A CN202010549764.1A CN202010549764A CN111677992A CN 111677992 A CN111677992 A CN 111677992A CN 202010549764 A CN202010549764 A CN 202010549764A CN 111677992 A CN111677992 A CN 111677992A
Authority
CN
China
Prior art keywords
camera
gear
support
rotating shaft
transverse frame
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.)
Withdrawn
Application number
CN202010549764.1A
Other languages
Chinese (zh)
Inventor
不公告发明人
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.)
Ningbo Juesheng Technology Co ltd
Original Assignee
Ningbo Juesheng 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 Ningbo Juesheng Technology Co ltd filed Critical Ningbo Juesheng Technology Co ltd
Priority to CN202010549764.1A priority Critical patent/CN111677992A/en
Publication of CN111677992A publication Critical patent/CN111677992A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)

Abstract

The invention discloses high-altitude monitoring equipment capable of protecting a camera and facilitating maintenance, which comprises a lower support, wherein the upper end of the lower support is hinged with an upper support, the lower support is connected with the upper support through a screw, the upper end of the upper support is transversely provided with a transverse frame, the upper end of the transverse frame is provided with a lifting groove, a flat plate is horizontally arranged in the lifting groove, the lower end of the flat plate is provided with a lifting mechanism, the lifting mechanism comprises a sliding rod which is arranged at the lower end of the flat plate and penetrates through the transverse frame, the lower end of the sliding rod is provided with a fixing part, a spring for connecting the transverse frame and the fixing part is sleeved outside the sliding rod, the lower end of the fixing part. The invention has the advantages that: simple structure is reliable, stands and rotates rotatory handle below and just can make the camera get into the lift groove, rotates again and enables the upper bracket and slowly fall down, resets after the reversal, avoids the camera to collide the plant damage at the in-process that falls down and erect, and need not to climb up the eminence maintenance.

Description

High altitude supervisory equipment of protection camera and convenient maintenance
Technical Field
The invention relates to high-altitude monitoring equipment, in particular to high-altitude monitoring equipment which protects a camera and is convenient to maintain.
Background
Aiming at the problem of high-altitude object throwing, the important faces of the building are comprehensively monitored in real time by means of an upward camera, so that the evidence can be accurately obtained. Some upright rods are erected on the edges of plants, in windy and rainy days, the cameras are not exposed outside in any protective land, the cameras are easy to collide and damage, maintenance personnel need to climb up the upright rods to carry out high-altitude maintenance, and the operation is complex and dangerous.
Disclosure of Invention
The invention mainly aims to provide high-altitude monitoring equipment which protects a camera and is convenient to maintain, has a simple and reliable structure, can enable the camera to enter a lifting groove by rotating a rotating handle when standing below, enables an upper bracket to slowly fall down by rotating, resets after reversing, avoids the damage of the camera caused by collision with plants in the falling and standing processes, and does not need to climb up to a high place for maintenance.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a high-altitude monitoring device capable of protecting a camera and facilitating maintenance comprises a lower support, wherein an upper support is hinged to the upper end of the lower support, the lower support is connected with the upper support through a screw, a transverse frame is transversely arranged at the upper end of the upper support, a lifting groove is formed in the upper end of the transverse frame, a flat plate is horizontally arranged in the lifting groove, a lifting mechanism is arranged at the lower end of the flat plate and comprises a sliding rod which is arranged at the lower end of the flat plate and penetrates through the transverse frame, a fixing part is arranged at the lower end of the sliding rod, a spring which is connected with the transverse frame and the fixing part is sleeved outside the sliding rod, a steel wire rope is arranged at the lower end of the fixing part, a first rotating shaft is rotatably arranged on the lower support, a rotating handle which is connected to the first rotating shaft in a keyed mode is arranged outside the lower support, and a winding wheel which is connected, and the lower bracket is provided with a slow falling mechanism matched with the first rotating shaft and the upper bracket.
Furthermore, the slow-falling mechanism comprises a driving plate which is in keyed joint with the first rotating shaft, a pin strip is arranged on the end face of the driving plate, a fixed pin is arranged on the end face of the pin strip, a second rotating shaft is rotatably arranged on the lower support, a grooved wheel which is matched with the driving plate and the fixed pin is in keyed joint with the second rotating shaft, a first gear is in keyed joint with the second rotating shaft, a second gear is meshed with the lower end of the first gear, a long shaft is in keyed joint with the center of the second gear, and tooth assemblies are symmetrically arranged at the left end and the right end of the long shaft.
The rotary handle drives the first rotating shaft to rotate, the first rotating shaft drives the winding wheel and the driving plate to rotate, the winding wheel winds a steel wire rope, the steel wire rope enables the sliding rod to descend through the fixing portion, the sliding rod drives the flat plate to descend, so that the camera on the flat plate enters the lifting groove to avoid collision, meanwhile, the working face of the driving plate is attached to the cambered surface of the grooved wheel, the grooved wheel is fixed, then the winding wheel and the driving plate continue to rotate, the fixed pin on the pin strip drives the grooved wheel to rotate, the grooved wheel drives the second rotating shaft to rotate, the second rotating shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the long shaft to rotate, the long shaft drives the tooth assembly to move, the upper support slowly falls down, the camera can avoid collision of trees and plants when the camera falls down, and the camera.
Furthermore, the tooth assembly comprises a third gear which is in keyed joint with the long shaft, and an arc-shaped rack which is meshed with the third gear is arranged on the side wall of the upper support.
The second rotating shaft drives the third gear to rotate, the third gear drives the arc-shaped rack to rotate, and the arc-shaped rack drives the upper support to slowly fall down along a hinged point of the upper support and the lower support.
Furthermore, the rear end of the lower support is provided with a stabilizing block, a limiting column is rotatably arranged in the stabilizing block, and the limiting column is attached to the round sliding surface of the arc-shaped rack.
The arc-shaped rack can be stabilized by the aid of the arrangement.
Furthermore, the lower extreme of arc rack is equipped with the stopper, the rear end of stopper is equipped with the triangle breach.
When the upper bracket is toppled over, the triangular notch of the limiting block supports against the limiting column, and the upper bracket is limited and stabilized.
Furthermore, the front end of the upper support is hinged with a support bar, and the front end of the upper support is provided with a clamping block for clamping the support bar.
The upper support can be supported by the support bars after the upper support is toppled over, and the marble is arranged in the clamping block, so that the support bars can be conveniently folded and unfolded.
The invention has the advantages that: simple structure is reliable, stands and rotates rotatory handle below and just can make the camera get into the lift groove, rotates again and enables the upper bracket and slowly fall down, resets after the reversal, avoids the camera to collide the plant damage at the in-process that falls down and erect, and need not to climb up the eminence maintenance.
Drawings
FIG. 1 is a perspective view according to the present invention;
FIG. 2 is a schematic structural diagram according to the present invention;
FIG. 3 is a front view according to the present invention;
FIG. 4 is a left side view in accordance with the present invention;
FIG. 5 is a sectional view A-A of FIG. 3;
FIG. 6 is a cross-sectional view of the plate lowered and the face surface of the dial bearing against the sheave according to the present invention;
FIG. 7 is a cross-sectional view of the upper rack being reclined in accordance with the present invention;
FIG. 8 is an enlarged view of portion B of FIG. 1;
FIG. 9 is an enlarged view of section C of FIG. 5;
FIG. 10 is an enlarged view of section D of FIG. 6;
fig. 11 is an enlarged view of a portion E of fig. 7.
Reference numerals: 1. the lower support, 2, the upper bracket, 3, horizontal frame, 4, the flat board, 5, elevating system, 51, slide bar, 52, fixed part, 53, wire rope, 54, the winding wheel, 55, first pivot, 56, rotation handle, 6, slow mechanism, 61, driver plate, 62, the round pin strip, 63, sheave, 64, the third gear, 65, arc rack, 66, spacing post, 67, stabilize the piece, 68, stopper, 7, screw, 8, support bar.
Detailed Description
As shown in fig. 1 to 11, an overhead monitoring device for protecting a camera and facilitating maintenance comprises a lower frame 1, an upper frame 2 hinged to the upper end of the lower frame 1, a lower frame 1 connected to the upper frame 2 by a screw 7, a horizontal frame 3 transversely disposed on the upper end of the upper frame 2, a lifting groove disposed on the upper end of the horizontal frame 3, a flat plate 4 horizontally disposed in the lifting groove, a lifting mechanism 5 disposed on the lower end of the flat plate 4, the lifting mechanism 5 comprising a sliding rod 51 disposed on the lower end of the flat plate 4 and penetrating through the horizontal frame 3, a fixing portion 52 disposed on the lower end of the sliding rod 51, a spring connecting the horizontal frame 3 and the fixing portion 52 fitted around the sliding rod 51, a wire rope 53 disposed on the lower end of the fixing portion 52, a first rotating shaft 55 rotatably disposed on the lower frame 1, a rotating handle 56 keyed on the first rotating shaft 55 disposed outside the lower frame 1, a winding wheel 54 keyed on the first rotating shaft 55 and connecting the wire, the lower bracket 1 is provided with a slow falling mechanism 6 matched with the first rotating shaft 55 and the upper bracket 2.
The slow falling mechanism 6 comprises a drive plate 61 which is in keyed joint with the first rotating shaft 55, a pin strip 62 is arranged on the end face of the drive plate 61, a fixing pin is arranged on the end face of the pin strip 62, a second rotating shaft is rotatably arranged on the lower support 1, a grooved wheel 63 matched with the drive plate 61 and the fixing pin is in keyed joint with the second rotating shaft, a first gear is in keyed joint with the second rotating shaft, a second gear is meshed with the lower end of the first gear, a long shaft is in keyed joint with the center of the second gear, and tooth assemblies are symmetrically arranged at the left end and the right end of the long shaft.
The rotary handle drives the first rotating shaft to rotate, the first rotating shaft drives the winding wheel and the drive plate to rotate, the winding wheel winds a steel wire rope, the steel wire rope enables the sliding rod to descend through the fixing portion, the sliding rod drives the flat plate to descend, so that the camera on the flat plate enters the lifting groove to avoid collision, meanwhile, the working face of the drive plate is attached to the cambered surface of the grooved wheel, the grooved wheel is fixed, then the winding wheel and the drive plate continue to rotate, the fixed pin on the pin strip drives the grooved wheel to rotate, the grooved wheel drives the second rotating shaft to rotate, the second rotating shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the long shaft to rotate, the long shaft drives the gear component to move, the upper support slowly falls down, the camera can avoid plant collision when falling into the lifting groove, and the camera.
The gear assembly comprises a third gear 64 keyed to the long shaft and an arcuate rack 65 on the side wall of the upper bracket 2 which engages with the third gear 64. The second rotating shaft drives the third gear to rotate, the third gear drives the arc-shaped rack to rotate, and the arc-shaped rack drives the upper support to slowly fall down along a hinged point of the upper support and the lower support.
The rear end of the lower support 1 is provided with a stabilizing block 67, the stabilizing block 67 is rotatably provided with a limiting column 66, and the limiting column 66 is attached to the circular sliding surface of the arc-shaped rack 65. The arc-shaped rack can be stabilized by the aid of the arrangement.
The lower end of the arc-shaped rack 65 is provided with a limiting block 68, and the rear end of the limiting block 68 is provided with a triangular notch. The above-mentioned setting can be emptyd the back at the upper bracket, and the triangle breach of stopper supports spacing post, plays the effect of injecing and stabilizing the upper bracket.
The front end of the upper bracket 2 is hinged with a supporting bar 8, and the front end of the upper bracket 2 is provided with a clamping block for clamping the supporting bar 8. The upper support can be supported by the support bars after the upper support is toppled over, and the marble is arranged in the clamping block, so that the support bars can be conveniently folded and unfolded.
The working principle is as follows: when a camera at a high place needs to be repaired, a screw is unscrewed, a worker rotates a rotating handle, the rotating handle drives a first rotating shaft to rotate, the first rotating shaft drives a winding wheel and a driving plate to rotate, the winding wheel winds a steel wire rope, the steel wire rope enables a sliding rod to descend through a fixing part, the sliding rod drives a flat plate to descend, so that the camera on the flat plate enters a lifting groove to avoid collision, meanwhile, a working surface of the driving plate is attached to an arc surface of a grooved wheel, the grooved wheel is fixed, as shown in figure 6, then the winding wheel and the driving plate continue to rotate, a fixed pin on a pin strip drives the grooved wheel to rotate, the grooved wheel drives a second rotating shaft to rotate, the second rotating shaft drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a long shaft to rotate, the long shaft drives a third gear to rotate, the third gear drives an arc-shaped, the camera can avoid collision when hiding in the lifting groove in the falling process, the camera is effectively protected, after the upper bracket is fallen, the triangular notch of the limiting block props against the limiting column to play a role in limiting and stabilizing the upper bracket, the supporting strip supports the upper bracket, as shown in figure 7, a worker can repair the camera as long as standing below without high position, the worker rotates the rotating handle reversely after repairing, the rotating handle drives the first rotating shaft to rotate reversely, the first rotating shaft drives the winding wheel and the driving plate to rotate reversely, the fixed pin on the driving plate drives the grooved wheel to rotate reversely, the grooved wheel drives the second rotating shaft to rotate reversely, the second rotating shaft drives the third gear to rotate reversely through the first gear and the second gear, the third gear drives the arc-shaped rack to rotate reversely and simultaneously supports the upper bracket to return to the original position, in the process, although the flat plate can slightly rise relative to the lifting groove, the camera is still positioned in the lifting, the camera is prevented from being damaged due to collision with trees and plants, the screws are screwed on, then the winding wheel continuously rotates reversely, the steel wire rope is loosened, the sliding rod rises under the action of the spring, and the flat plate resets after rising. When the camera needs to be protected, a worker only needs to rotate the rotary handle, the rotary handle drives the first rotary shaft to rotate, the first rotary shaft drives the winding wheel and the driving plate to rotate, the winding wheel winds the steel wire rope, the steel wire rope enables the sliding rod to descend through the fixing portion, and the sliding rod drives the flat plate to descend, so that the camera on the flat plate enters the lifting groove, collision is avoided, and the rotary handle is fixed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The utility model provides a protection camera and convenient high altitude supervisory equipment who maintains which characterized in that: comprises a lower bracket (1), an upper bracket (2) is hinged to the upper end of the lower bracket (1), the lower bracket (1) is connected with the upper bracket (2) through a screw (7), a transverse frame (3) is transversely arranged at the upper end of the upper bracket (2), a lifting groove is arranged at the upper end of the transverse frame (3), a flat plate (4) is horizontally arranged in the lifting groove, a lifting mechanism (5) is arranged at the lower end of the flat plate (4), the lifting mechanism (5) comprises a sliding rod (51) which is arranged at the lower end of the flat plate (4) and penetrates through the transverse frame (3), a fixing part (52) is arranged at the lower end of the sliding rod (51), a spring for connecting the transverse frame (3) and the fixing part (52) is sleeved outside the sliding rod (51), a steel wire rope (53) is arranged at the lower end of the fixing part (52), a first rotating shaft (55) is rotatably arranged on the lower bracket (1, a rotating handle (56) which is keyed on the first rotating shaft (55) is arranged outside the lower support (1), a winding wheel (54) which is connected with the steel wire rope (53) is keyed on the middle end of the first rotating shaft (55), and a slow-falling mechanism (6) which is matched with the first rotating shaft (55) and the upper support (2) is arranged on the lower support (1).
2. The overhead monitoring equipment for protecting the camera and facilitating maintenance as claimed in claim 1, wherein: slow down mechanism (6) including the key joint drive plate (61) on first pivot (55), be equipped with round pin strip (62) on the terminal surface of drive plate (61), be equipped with the fixed pin on the terminal surface of round pin strip (62), be provided with the second pivot on lower carriage (1) with rotating, the key joint in the second pivot with drive plate (61) fixed pin matched with sheave (63), the key joint has first gear in the second pivot, the lower extreme meshing of first gear has the second gear, the center key of second gear has the major axis, both ends symmetry is provided with the tooth subassembly about the major axis.
3. The overhead monitoring equipment for protecting the camera and facilitating maintenance as claimed in claim 2, wherein: the tooth assembly comprises a third gear (64) which is in keyed joint with the long shaft, and an arc-shaped rack (65) which is meshed with the third gear (64) is arranged on the side wall of the upper support (2).
4. The overhead monitoring equipment for protecting the camera and facilitating maintenance as claimed in claim 3, wherein: the rear end of the lower support (1) is provided with a stabilizing block (67), a limiting column (66) is rotationally arranged in the stabilizing block (67), and the limiting column (66) is attached to the circular sliding surface of the arc-shaped rack (65).
5. A height monitoring apparatus as claimed in any one of claims 3 or 4 which protects the camera and facilitates maintenance, wherein: the lower extreme of arc rack (65) is equipped with stopper (68), the rear end of stopper (68) is equipped with the triangle breach.
6. The overhead monitoring equipment for protecting the camera and facilitating maintenance as claimed in claim 1, wherein: the front end of the upper support (2) is hinged with a support bar (8), and the front end of the upper support (2) is provided with a clamping block used for clamping the support bar (8).
CN202010549764.1A 2020-06-16 2020-06-16 High altitude supervisory equipment of protection camera and convenient maintenance Withdrawn CN111677992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010549764.1A CN111677992A (en) 2020-06-16 2020-06-16 High altitude supervisory equipment of protection camera and convenient maintenance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010549764.1A CN111677992A (en) 2020-06-16 2020-06-16 High altitude supervisory equipment of protection camera and convenient maintenance

Publications (1)

Publication Number Publication Date
CN111677992A true CN111677992A (en) 2020-09-18

Family

ID=72435882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010549764.1A Withdrawn CN111677992A (en) 2020-06-16 2020-06-16 High altitude supervisory equipment of protection camera and convenient maintenance

Country Status (1)

Country Link
CN (1) CN111677992A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114404059A (en) * 2022-01-07 2022-04-29 中国医学科学院北京协和医院 Emergency remote diagnosis and treatment belt teaching and supervising system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423522A (en) * 2015-12-21 2016-03-23 珠海格力电器股份有限公司 Air deflector push-out mechanism and air conditioner
CN208123816U (en) * 2018-01-31 2018-11-20 湖南金康光电有限公司 A kind of folding external camera
CN208381682U (en) * 2018-07-11 2019-01-15 新乡职业技术学院 Projection arrangement is used in a kind of careers guidance teaching
CN110332426A (en) * 2019-06-19 2019-10-15 安徽迅科智能技术有限公司 A kind of adjustable campus security monitoring system
CN210246941U (en) * 2019-10-08 2020-04-03 江西百宏光电科技有限公司 Television with retractable camera
CN110966504A (en) * 2019-12-27 2020-04-07 扬州驿丰诚信息科技有限公司 Monitoring rod convenient to overhaul and good in protection performance
CN210567228U (en) * 2019-09-12 2020-05-19 彭州先临三维科技有限公司 Objective table with adjustable inclination angle for three-dimensional scanner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423522A (en) * 2015-12-21 2016-03-23 珠海格力电器股份有限公司 Air deflector push-out mechanism and air conditioner
CN208123816U (en) * 2018-01-31 2018-11-20 湖南金康光电有限公司 A kind of folding external camera
CN208381682U (en) * 2018-07-11 2019-01-15 新乡职业技术学院 Projection arrangement is used in a kind of careers guidance teaching
CN110332426A (en) * 2019-06-19 2019-10-15 安徽迅科智能技术有限公司 A kind of adjustable campus security monitoring system
CN210567228U (en) * 2019-09-12 2020-05-19 彭州先临三维科技有限公司 Objective table with adjustable inclination angle for three-dimensional scanner
CN210246941U (en) * 2019-10-08 2020-04-03 江西百宏光电科技有限公司 Television with retractable camera
CN110966504A (en) * 2019-12-27 2020-04-07 扬州驿丰诚信息科技有限公司 Monitoring rod convenient to overhaul and good in protection performance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114404059A (en) * 2022-01-07 2022-04-29 中国医学科学院北京协和医院 Emergency remote diagnosis and treatment belt teaching and supervising system
CN114404059B (en) * 2022-01-07 2024-03-12 中国医学科学院北京协和医院 Emergency remote diagnosis and treatment belt teaching and supervision system

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Application publication date: 20200918