CN110113527A - A kind of novel playing device applied to lift car - Google Patents
A kind of novel playing device applied to lift car Download PDFInfo
- Publication number
- CN110113527A CN110113527A CN201910327599.2A CN201910327599A CN110113527A CN 110113527 A CN110113527 A CN 110113527A CN 201910327599 A CN201910327599 A CN 201910327599A CN 110113527 A CN110113527 A CN 110113527A
- Authority
- CN
- China
- Prior art keywords
- block
- camera
- lift car
- sliding
- playing device
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000004308 accommodation Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- B08B1/10—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
Abstract
The present invention relates to electronic intelligence apparatus fields, and in particular to a kind of novel playing device applied to lift car.Of the invention has the technical scheme that a kind of novel playing device applied to lift car, include box body and the display screen being mounted on the box body, photographic device is installed on the box body, the photographic device includes appliance case and the sliding photographing module being mounted on appliance case, the sliding photographing module includes main orbit, the sliding block slided on the main orbit, the camera block for connecting connecting shaft on the slide block and sliding in the connecting shaft, is equipped with camera in the camera block.The object of the present invention is to provide a kind of novel playing devices applied to lift car, it is capable of real-time acquisition the data of video player viewer, technical foundation is laid for the function extension of video play device, camera uses mobile connection regulating device, is conveniently adjusted visual field position.
Description
Technical field
The present invention relates to electronic intelligence apparatus fields, and in particular to a kind of novel playing device applied to lift car.
Background technique
Multimedia is a familiar technology contents, and multimedia content is by different hardware players such as electricity
Brain, display screen, mobile phone carry out multimedia.With the maturation of interaction technique and broadcasting hardware technology, different types of video
Playing device puts goods on the market, and is widely applied.Such as building video machines, are usually mounted in indoor environment, example
It is such as mounted in the elevator of market or in residential lift, can be with playing video advertisement, such as it is mounted on enterprise's elevator, for playing enterprise
Industry notice or enterprises propagandist piece etc..
However, such video play device function has some limitations, only realize vision signal transmission and
The broadcasting of video content is unable to satisfy even to this day more by further user demand.
Summary of the invention
The object of the present invention is to provide a kind of novel playing devices applied to lift car, are mounted on indoor environment,
Acquisition device is contained, the data of video player viewer are capable of real-time acquisition, is laid for the function extension of video play device
Technical foundation, camera use mobile connection regulating device, are conveniently adjusted visual field position.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of applied to lift car
Novel playing device is equipped with photographic device on the box body comprising box body and the display screen being mounted on the box body, described
Photographic device includes appliance case and the sliding photographing module that is mounted on appliance case, the sliding photographing module comprising main orbit,
The sliding block slided on the main orbit, the camera shooting for connecting connecting shaft on the slide block and being slided in the connecting shaft
Block is equipped with camera in the camera block.
As a preference of the present invention, being equipped with strainer in the appliance case, offered on the appliance case for described in confession
The line outlet that camera electric wire passes through.
As a preference of the present invention, the main orbit has two, the connecting shaft both ends are separately connected two sliding blocks,
The cross section of the connecting shaft is regular polygon.
As a preference of the present invention, offering film trap on the appliance case, cleansing tablet passes through the film trap, the cleansing tablet
The back side includes the cleaning cloth for cleaning the camera.
As a preference of the present invention, the photographic device includes the elastic cushion block made of elastic material, the camera block
It is equipped with the increasing abrading block for being used cooperatively with the elastic cushion block.
As a preference of the present invention, the increasing abrading block surface is waveform, it include multiple mutual on the elastic cushion block
The damping prism of parallel and evagination setting.
As a preference of the present invention, the elastic cushion block is equipped with support column far from the one side of the sliding photographing module,
The support column two sides offer arc-shaped deformation slot.
As a preference of the present invention, the box body includes mounting box and the cover board being mounted on the mounting box, the peace
Mounted box includes backboard, side plate, bottom plate and top plate, and the backboard is equipped with middle breathable block, and the middle breathable block is equipped with filter screen.
Side ventilating groove is additionally provided on the backboard, the middle breathable block is distributed in the backboard medium position, the side ventilating groove distribution
In the pendant positions of the backboard, the vapor permeation area of the single middle breathable block is greater than the ventilative face of the single side ventilating groove
Product.
As a preference of the present invention, the side plate is equipped with side plate slot, multiple returning face plates are equipped in the side plate slot, each
The returning face plate passes through connecting shaft and is flexibly connected with the side plate, and multiple returning face plates are connected with a connecting rod jointly.
As a preference of the present invention, the top plate is equipped with multiple arc side slots, also comprising connecting with the top plate for covering
State the closing cap of arc side slot in residence.
As a preference of the present invention, the arc side slot includes portion placed in the middle and the nock portion positioned at both ends, nock portion shape
Shape is in arc line shaped.
As a preference of the present invention, the bottom plate is equipped with accommodation groove, the side plate is equipped with sliping port, also comprising passing through
The sliping port slides into the sliding panel on the accommodation groove.
As a preference of the present invention, the sliding panel is equipped with cleaner plate, it is in rectangle battle array that the cleaner plate, which is equipped with multiple,
Arrange the adsorption column of arrangement.
In conclusion the invention has the following beneficial effects:
1, user can change the range in the shooting visual field by sliding camera block.
2, increase the cooperation of abrading block and elastic cushion block to increase the damping sense of camera block moving process, promote the moving stability.
3, cleansing tablet can clean surface of camera head, so that the cleannes under increasing camera in public, keep away
Exempting from lens blur influences image quality.
4, display screen and camera mould group is integrated in box body, system can not only play video, can also regard to viewing
The viewer of frequency carries out video capture, carries out recognition of face for the system later period and provides hardware support.
5, box body backboard is equipped with side ventilating groove and middle breathable block, and side is equipped with returning face plate, good heat dissipation effect, and the model that radiates
It encloses flexibly adjustable.
6, sliding panel is installed on the bottom plate of box body bottom, convenient for the replacement or cleaning of cleaner plate, further increases box body
In cleannes, to reduce the failure rate of camera module and display mould group.
Detailed description of the invention:
Fig. 1 is the schematic diagram of mounting box in embodiment one；
Fig. 2 is the schematic diagram of cover board；
Fig. 3 is the details enlarged drawing at the A in Fig. 1；
Fig. 4 is the details enlarged drawing at the B in Fig. 1；
Fig. 5 is the schematic diagram of photographic device；
Fig. 6 is the details enlarged drawing at the A in Fig. 5.
In figure: 1, mounting box, 2, cover board, display screen, camera, 3, side plate, 31, side plate slot, 32, returning face plate, 33, connection
Axis, 34, connecting rod, 4, top plate, 41, arc side slot, 5, backboard, 51, side ventilating groove, 52, middle breathable block, 53, filter screen, 6, bottom
Plate, 61, accommodation groove, 62, sliding panel, 63, cleaner plate, 64, adsorption column, 65, sliping port, 7, closing cap, 8, photographic device, 81,
Appliance case, 82, sliding photographing module, 821, main orbit, 822, sliding block, 823, connecting shaft, 824, camera block, 83, increasing abrading block,
84, film trap, 85, cleansing tablet, 86, strainer, 87, line outlet, 88, elastic cushion block, 881, damping prism, 89, support column, 891, shape
Become slot.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment 1, as depicted in figs. 1 and 2, it is mounting box 1 and cover board 2 respectively that there are two parts to form for box body.Mounting box
1 is used as main installation and storage medium, and main component is installed in the inner cavity of mounting box 1.Main component has display
Screen and camera, display screen is for exporting video content, and camera is for acquiring user's head portrait before display screen.Such as, should
Kind technical solution is applied in enterprise's elevator, and enterprise staff is carried out camera face while watching the video in elevator
Identification, so that attendance is checked card.Again such as, this kind of technical solution is applied in some business unit such as market, and system is stored with respectively
The face information of a member, camera identify the face information of member, member by advertisement that viewing display screen plays to
It is integrated.
In the technical scheme, camera is to the face characteristic recognition method of member, the storage of member's face information, data
The contents such as the wireless transmission from mounting box to background system are the technology contents that those skilled in the art can be realization, this programme
In repeat no more.
Due to storing the addition of equipment, electronic equipment, the calorific value of box body can also increase therewith, in the present case, for box
Completely new design has been done in the heat dissipation of body.Firstly, offering multiple be parallel to each other on the position of top plate 4 at the top of mounting box 1
Arc side slot 41, arc side slot 41 include portion placed in the middle and the nock portion positioned at both ends, nock portion shape be in arc line shaped.It sets in this way
The purpose set is arc side unlike common straight line has sharp corner, is not easy to accumulate dirt and dust, also increase simultaneously
The smoothness and spatter property of up and down direction gas circulation.In some cases, environment temperature is low and air cleanliness is bad, this
In the case of can choose and cover closing cap 7 so that 1 top of mounting box is closed, increase the interior of such as camera and display screen
The spatter property of portion's element prevents because of the problem of electronic component service life caused by dust is accumulated reduces.
Backboard 5 is used as main heat eliminating medium, and there are two heat dissipation designs.One is multiple middle breathable blocks 52 placed in the middle, in
Breathable block 52 is multiple, each shape for regular polygon.The other is side ventilating groove 51, elongated, prolong in vertical direction
It stretches.In specific product, middle breathable block 52 is then arranged in the position of the left and right sides in middle part middle position, side ventilating groove 51.
The fluting area of breathable block 52, i.e. vapor permeation area in single, greater than the fluting area of single side ventilating groove 51, therefore in middle breathable block
It also needs that filter screen 53 is additionally installed on 52.
Equally there is heat dissipation design on side plate 3, and is the heat dissipation design that heat dissipation effect is conveniently adjusted and switches.Specifically,
As shown in figures 1 and 3, side plate slot 31 is offered on side plate 3, is equipped with multiple returning face plates 32, each returning face plate 32 in side plate slot 31
It is flexibly connected by connecting shaft 33 with side plate 3, multiple returning face plates 32 are connected with a connecting rod 34 jointly.User can pass through
Side open state or closed form are adjusted to adjust the reverses direction of multiple returning face plates 32 to the pulling action of connecting rod 34
State, so as to adjust heat dissipation effect.
Bottom offers accommodation groove on bottom plate 6 as shown in figure 4, offering sliping port 65 in the bottom of side plate 3 for bottom plate 6
61, sliding panel 62 can be slided into or be skidded off in accommodation groove 61 by sliping port 65 by user.It is removably connected on sliding panel 62
Cleaner plate 63,63 Shanghai of cleaner plate are equipped with multiple adsorption columns 64 extended in vertical direction, and adsorption column 64 is made of elastic material,
For adsorbing the dust debris in 1 inner cavity of mounting box, user periodically entire sliding panel 62 can be skidded off and to cleaner plate 63 into
Row cleaning or replacement.
As shown in figure 5, being additionally provided with photographic device 8 in the technical program, photographic device 8 be may be mounted on mounting box 1
It may be mounted on cover board 2, and be electrically connected with the electronic component in box body.In the present embodiment, photographic device 8 be may be mounted at
On cover board 2.
The frame structure of photographic device 8 is appliance case 81, is wherein being set there are two the main orbit 821 that is parallel to each other, two
Sliding block 822 on it, slides in the height direction.It is connected between two sliding blocks 822 by connecting shaft 823, camera block 824 is even
It in spindle 823, i.e., slides in the horizontal direction, camera is just mounted in camera block 824.User can use pass through camera shooting
The sliding of block 824, to adjust the camera shooting visual field in range vertically and horizontally.
In the present case, especially by the cross section of connecting shaft 823 not as circle, but regular polygon, such corner angle are set
Meter is so that camera block 824 will not reconnect rotates on axis 823, to increase the stability of image pickup scope.
It is equipped with strainer 86 in the behind of sliding photographing module 82, for preventing dust from entering inside electronic component, and is filtered
It is equipped with line outlet 87 on net 86 and appliance case 81, is passed through for the electric wire of camera.
As shown in Figure 5 and Figure 6, in the transverse shifting of camera block 824, the technical program increases damping design to come
Increase the stability of its movement and the accuracy of adjustment.Increase abrading block 83 specifically, being equipped in the lower section of camera block 824, increases abrading block
83 can undulated design.The lower section of camera block 824 is equipped with elastic cushion block 88 can be in vertical direction bullet by resilient material
Property deformation it is flexible.When user uses 824 transverse shifting of camera block, the lower surface, that is, wavy one side for increasing abrading block 83 can be with bullet
Property cushion block 88 upper surface contradict generate frictional resistance, in order to further increase frictional resistance and damping feel, elastic cushion block 88
Upper surface be equipped with it is multiple be parallel to each other, evenly spaced damping prism 881.
On the other hand, elasticity design, it also requires considering its supportive, is otherwise will affect to protect camera block 824
Damping sense.In the present case, multiple support columns 89 are equipped in the lower section of elastic cushion block 88, to reinforce its structural strength.Meanwhile each
The side of support column 89 offers the deformation slot 891 of arc so that its energetically bear when can by the arc deformation of itself come
Compensator or trimmer pressure, to protect camera block 824.
In the present case, since the device uses in public places, it should be noted that the health and clean-up performance of equipment itself.?
Film trap 84 is offered on appliance case 81, can connect cleansing tablet 85 by components such as springs thereon, when user pushes cleansing tablet 85, clearly
It is just passed through from film trap 84 for clean 85, the cleaning cloth at back wipes camera.
Claims (10)
1. a kind of novel playing device applied to lift car, comprising box body and the display screen being mounted on the box body,
It is characterized in that: being equipped on the box body photographic device (8), the photographic device (8) includes appliance case (81) and is mounted on and sets
Sliding photographing module (82) on standby box (81), the sliding photographing module (82) include main orbit (821), in the main orbit
(821) sliding block (822) that is slided on, the connecting shaft (823) being connected on the sliding block (822) and in the connecting shaft (823)
The camera block (824) of upper sliding is equipped with camera on the camera block (824).
2. a kind of novel playing device applied to lift car according to claim 1, it is characterised in that: the equipment
It is equipped in box (81) strainer (86), the line outlet for passing through for the camera electric wire is offered on the appliance case (81)
(87).
3. a kind of novel playing device applied to lift car according to claim 1, it is characterised in that: the backbone
Road (821) has two, and connecting shaft (823) both ends are separately connected two sliding blocks (822), the connecting shaft (823)
Cross section is regular polygon.
4. a kind of novel playing device applied to lift car according to claim 1, it is characterised in that: the equipment
It is offered on box (81) film trap (84), cleansing tablet (85) passes through the film trap (84), and cleansing tablet (85) back side includes to be used for
Clean the cleaning cloth of the camera.
5. a kind of novel playing device applied to lift car according to claim 1, it is characterised in that: the camera shooting
Device (8) include the elastic cushion block made of elastic material (88), the camera block (824) be equipped with for the elastic cushion
The increasing abrading block (83) that block (88) is used cooperatively.
6. a kind of novel playing device applied to lift car according to claim 5, it is characterised in that: the increasing mill
Block (83) surface is waveform, includes multiple damping prisms being parallel to each other and evagination is arranged on the elastic cushion block (88)
(881).
7. a kind of novel playing device applied to lift car according to claim 6, it is characterised in that: the elasticity
Cushion block (88) is equipped with support column (89) far from the one side of sliding photographing module (82), and support column (89) two sides open up
There is arc-shaped deformation slot (891).
8. a kind of novel playing device applied to lift car, feature described in -7 any one exist according to claim 1
In: the box body includes mounting box (1) and the cover board (2) being mounted on the mounting box (1), and the mounting box (1) includes back
Plate (5), side plate (3), bottom plate (6) and top plate (4), the backboard (5) are equipped with middle breathable block (52), the middle breathable block (52)
It is equipped with filter screen (53), is additionally provided with side ventilating groove (51) on the backboard (5), the middle breathable block (52) is distributed in the back
Plate (5) medium position, the side ventilating groove (51) are distributed in the pendant positions of the backboard (5), the single middle breathable block
(52) vapor permeation area is greater than the vapor permeation area of the single side ventilating groove (51).
9. a kind of novel playing device applied to lift car according to claim 8, it is characterised in that: the side plate
(3) side plate slot (31) are equipped with, are equipped with multiple returning face plates (32) in the side plate slot (31), each returning face plate (32) is logical
It crosses connecting shaft (33) to be flexibly connected with the side plate (3), multiple returning face plates (32) are connected with a connecting rod (34) jointly.
10. a kind of novel playing device applied to lift car according to claim 8, it is characterised in that: the top
Plate (4) is equipped with multiple arc side slots (41), also comprising connecting the closing for covering the arc side slot (41) with the top plate (4)
It covers (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910327599.2A CN110113527A (en) | 2019-04-23 | 2019-04-23 | A kind of novel playing device applied to lift car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910327599.2A CN110113527A (en) | 2019-04-23 | 2019-04-23 | A kind of novel playing device applied to lift car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110113527A true CN110113527A (en) | 2019-08-09 |
Family
ID=67486179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910327599.2A Pending CN110113527A (en) | 2019-04-23 | 2019-04-23 | A kind of novel playing device applied to lift car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110113527A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111144928A (en) * | 2019-11-29 | 2020-05-12 | 淮阴工学院 | Elevator medical information advertisement putting system and method based on user behaviors |
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| CN207844777U (en) * | 2017-12-12 | 2018-09-11 | 杭州西奥电梯现代化更新有限公司 | A kind of elevator with Multifunction video monitoring |
| CN109361844A (en) * | 2018-11-30 | 2019-02-19 | 郑州浩普航空科技有限公司 | A kind of elevator professional camera system |
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