CN110166753A - A kind of building speakerphone with lifting and dust reduction capability for security protection - Google Patents
A kind of building speakerphone with lifting and dust reduction capability for security protection Download PDFInfo
- Publication number
- CN110166753A CN110166753A CN201910528158.9A CN201910528158A CN110166753A CN 110166753 A CN110166753 A CN 110166753A CN 201910528158 A CN201910528158 A CN 201910528158A CN 110166753 A CN110166753 A CN 110166753A
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- China
- Prior art keywords
- host
- lifting
- strut
- dust
- motor
- 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.)
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Classifications
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- 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
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- 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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
Abstract
The present invention relates to a kind of building speakerphones with lifting and dust reduction capability for security protection, including host, pedestal and two lifting boxes, it further include dust-proof mechanism and two elevating mechanisms, the elevating mechanism includes first motor, gear, rack gear and connecting rod, the dust-proof mechanism includes fixed bin and two cover boards, driving assembly is equipped in the fixed bin, two struts and two springs, this for security protection there is lifting and the building speakerphone of dust reduction capability to pass through elevating mechanism, the height and position of adjustable host, host is operated convenient for the user of different heights, pass through dust-proof mechanism, it can be to the display screen and control panel progress dust-proof working on host, dust is avoided to be covered on display screen and control panel, influence the cleannes of host.
Description
Technical field
The present invention relates to security device field, in particular to a kind of building with lifting and dust reduction capability for security protection
Intercom.
Background technique
Building speakerphone is mounted in the gating of antitheft door of building inlet, intercommunication control device.Host is typically mounted at
On wall on or near the security door on each unit house doorway, composition doorway host includes panel, back box, operation part, audio
Partially, video section, control section.
Existing building speakerphone mounting height position is fixed, and the operational requirements of the user of different heights are unable to satisfy,
The practicability of building speakerphone is reduced, moreover, the existing typically no radical occlusion device of building speakerphone causes host to hold
It is easily covered by dust, influences the cleannes of host, reduce the operational comfort of user.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of tool for security protection
There is the building speakerphone of lifting and dust reduction capability.
The technical solution adopted by the present invention to solve the technical problems is: a kind of to have lifting and dust-proof function for security protection
The building speakerphone of energy, including host, pedestal and two lifting boxes, two lifting boxes are separately positioned on the two of the side of host
End, the both ends of the top of the pedestal are fixedly connected with below two lifting boxes respectively, and the other side of the host is equipped with
Camera, display screen and control panel, are equipped with PLC in the host, and the camera, display screen and control panel are and PLC
Electrical connection, further includes dust-proof mechanism and two elevating mechanisms, the top of host, the elevating mechanism is arranged in the dust-proof mechanism
It is corresponded with lifting box, the inside of lifting box is arranged in the elevating mechanism；
The elevating mechanism includes first motor, gear, rack gear and connecting rod, and the side of the close host of the lifting box is set
There is opening, one end of the connecting rod is fixedly connected with host, and the other end of the connecting rod passes through opening and is arranged in lifting box
The other end in portion, the connecting rod is fixedly connected with first motor, and the side of the separate opening of first motor is arranged in the gear,
The first motor is connect with gear drive, on the inner wall of the side of the separate opening of the side and lifting box of the rack gear, institute
Wheel and rack engagement is stated, the first motor is electrically connected with PLC；
The dust-proof mechanism includes fixed bin and two cover boards, and the fixed bin is fixed on the top of host, the fixation
The side of the close display screen of box is equipped with strip shape gob, is equipped with driving assembly, two struts and two springs, institute in the fixed bin
State driving assembly be arranged in fixed bin separate strip shape gob side inner wall on, the strut and spring correspond, described
One end of spring is connect with strut, and the other end of the spring and the inner wall of fixed bin connect, and the spring is in compressive state,
The strut and cover board correspond, and the shape of the strut is L shape, and one end of the strut is connect with driving assembly, described
The other end of strut passes through to be fixedly connected above strip shape gob and cover board, and two cover boards cover respectively is located at display screen and control panel
On.
Preferably, being coated with lubricating grease on the rack gear in order to enable gear is mobile smooth.
Preferably, the elevating mechanism further includes two limit assemblies, two limits for the moving direction of restricting host
Hyte part is separately positioned on the two sides of connecting rod, and the limit assembly includes slideway, pulley and fixed link, and the slideway is fixed on liter
On the side for dropping the close host of box, the slideway is equipped with sliding slot, one end of the fixed link and the close lifting box of host
Side be fixedly connected, the other end of the fixed link is connect with pulley, the inner wall of the pulley and sliding slot against.
Preferably, in order to enable the precise and stable work of first motor, the first motor are servo motor.
Preferably, the side of the close host of the cover board is equipped with several hairs for clean display screen and control panel
Brush.
Preferably, the driving component includes the second motor, turntable and two bracing wires, institute in order to drive strut mobile
The second motor to be stated to be fixedly connected with the inner wall of the side of the separate opening of fixed bin, second motor and turntable are sequentially connected,
The bracing wire and strut correspond, and on turntable, the other end and the strut of the bracing wire are fixed for one end of the bracing wire
Connection, second motor are electrically connected with PLC.
Preferably, in order to change the direction of bracing wire, the driving component further includes two fixed pulleys, the fixed pulley with
Bracing wire corresponds, and two fixed pulleys are separately fixed at the both ends of the side of the separate opening of fixed bin, the bracing wire it is separate
One end of turntable is fixedly connected around fixed pulley with strut.
Preferably, guide rod is additionally provided in the fixed bin in order to limit the moving direction of strut, the guide rod
Both ends are fixedly connected with the inner wall of the two sides of fixed bin respectively, and one end of the separate cover board of the strut is equipped with aperture, described
Guide rod passes through aperture, and the strut is slidably connected with guide rod.
Preferably, being equipped in the aperture on the strut in order to avoid shaking when strut moves on the guide bar
Convex block, the guide rod are equipped with groove, and the inside of groove is arranged in the convex block, and the convex block is slidably connected with groove.
Preferably, rise or fall to control host, set that there are two button, the button and PLC on the pedestal
Electrical connection.
The invention has the advantages that the building speakerphone with lifting and dust reduction capability for being used for security protection passes through lifting
Mechanism, the height and position of adjustable host operate host convenient for the user of different heights, with existing elevating mechanism phase
Than the convenience that the elevating mechanism improves host lifting can be to the display screen and control plane on host by dust-proof mechanism
Plate carries out dust-proof working, avoids dust from being covered on display screen and control panel, influences the cleannes of host, and existing dust-proof
Mechanism compares, the dust-proof mechanism good dustproof effect, and practicability is high.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the building speakerphone with lifting and dust reduction capability for security protection of the invention；
Fig. 2 is the top view of the building speakerphone with lifting and dust reduction capability for security protection of the invention；
Fig. 3 is the portion the A enlarged drawing of Fig. 2；
Fig. 4 is the strut and guide rod of the building speakerphone with lifting and dust reduction capability for security protection of the invention
Attachment structure schematic diagram；
In figure: 1. pedestals, 2. lifting boxes, 3. hosts, 4. first motors, 5. gears, 6. rack gears, 7. connecting rods, 8. fixed links,
9. pulley, 10. slideways, 11. fixed bins, 12. second motors, 13. turntables, 14. bracing wires, 15. fixed pulleys, 16. struts, 17. bullets
Spring, 18. cover boards, 19. guide rods, 20. convex blocks, 21. buttons.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of building speakerphone with lifting and dust reduction capability for security protection, including host 3, pedestal
1 and two lifting boxes 2, two lifting boxes 2 are separately positioned on the both ends of the side of host 3, the both ends point of the top of the pedestal 1
The lower section for not going up and down box 2 with two is fixedly connected, and the other side of the host 3 is equipped with camera, display screen and control panel,
PLC is equipped in the host 3, the camera, display screen and control panel be electrically connecteds with PLC, further include dust-proof mechanism with
The top of host 3 is arranged in two elevating mechanisms, the dust-proof mechanism, and the elevating mechanism and lifting box 2 correspond, described
The inside of lifting box 2 is arranged in elevating mechanism；
PLC, i.e. programmable logic controller (PLC), it is used for its internally stored program, is held using a kind of programmable memory
The user oriented instruction such as row logical operation, sequential control, timing, counting and arithmetical operation, and by digital or analog defeated
Enter/export the various types of mechanical or production processes of control, its essence is a kind of computer for being exclusively used in Industry Control, hardware
Structure is substantially identical as microcomputer, the reception and output of processing and the instruction of data is generally used for, for realizing in
Centre control.
This for security protection there is the building speakerphone of lifting and dust reduction capability to pass through elevating mechanism, adjustable host 3
Height and position, operate host 3 convenient for the user of different heights, by dust-proof mechanism, can on host 3 display screen and
Control panel carries out dust-proof working, avoids dust from being covered on display screen and control panel, influences the cleannes of host 3.
As shown in Fig. 2, the elevating mechanism includes first motor 4, gear 5, rack gear 6 and connecting rod 7, the lifting box 2
It is equipped with opening close to the side of host 3, one end of the connecting rod 7 is fixedly connected with host 3, and the other end of the connecting rod 7 passes through
The inside of lifting box 2 is arranged in opening, and the other end of the connecting rod 7 is fixedly connected with first motor 4, and the setting of gear 5 exists
The side of the separate opening of first motor 4, the first motor 4 are sequentially connected with gear 5, the side of the rack gear 6 and lifting
On the inner wall of the side of the separate opening of box 2, the gear 5 is engaged with rack gear 6, and the first motor 4 is electrically connected with PLC；
When carrying out lifting work, control first motor 4 starts, and gear 5 rotates, and since rack gear 6 is fixedly installed, passes through tooth
Wheel 5 is engaged with rack gear 6, so that gear 5 moves on rack gear 6, so that first motor 4 be driven to go up and down, is driven and is led by connecting rod 7
Machine 3 is gone up and down, to have adjusted the position of host 3, operates host 3 convenient for user.
As shown in Fig. 2, the dust-proof mechanism includes fixed bin 11 and two cover boards 18, the fixed bin 11 is fixed on host
3 top, the side of the close display screen of the fixed bin 11 are equipped with strip shape gob, be equipped in the fixed bin 11 driving assembly,
Two struts 16 and two springs 17, the driving component are arranged on the inner wall of the side of the separate strip shape gob of fixed bin 11,
The strut 16 is corresponded with spring 17, and one end of the spring 17 is connect with strut 16, the other end of the spring 17 and
The inner wall of fixed bin 11 connects, and the spring 17 is in compressive state, and the strut 16 is corresponded with cover board 18, the strut
16 shape is L shape, and one end of the strut 16 is connect with driving assembly, and the other end of the strut 16 passes through strip shape gob and lid
The top of plate 18 is fixedly connected, and two cover boards 18 cover be located on display screen and control panel respectively.
Before camera detection to host 3 when someone, control driving assembly work, so that two struts 16 are to being located remotely from each other
Direction it is mobile, while compressed spring 17 so that two cover boards 18 move in the direction away from each other so that display screen and
Control panel exposes, and operates convenient for user, and before camera detection to host 3 when nobody, control driving assembly work is led to
The restoring force for crossing spring 17 drives two struts 16 mobile to direction close to each other, so that two cover boards 18 are to mutual
Close direction is mobile, until two cover boards 18 abut each other, to realize dust-proof function, dust is avoided to be covered on display screen
On control panel, the cleannes of host 3 are influenced.
Preferably, being coated with lubricating grease on the rack gear 6, reducing rack gear 6 and tooth in order to enable gear 5 is mobile smooth
Frictional force between wheel 5, so that gear 5 is more smooth when moving on rack gear 6.
As shown in figure 3, the elevating mechanism further includes two limit assemblies, two limit assemblies are separately positioned on connecting rod 7
Two sides, the limit assembly includes slideway 10, pulley 9 and fixed link 8, the slideway 10 be fixed on lifting box 2 close to main
On the side of machine 3, the slideway 10 is equipped with sliding slot, the side of the close lifting box 2 of one end and host 3 of the fixed link 8
Be fixedly connected, the other end of the fixed link 8 is connect with pulley 9, the inner wall of the pulley 9 and sliding slot against.
Host 3 moves in sliding slot with movable pulley 9 when moving, by fixed link 8, limits the moving direction of host 3,
The host 3 for being also simultaneously is more smooth when mobile.
Preferably, in order to enable the precise and stable work of first motor 4, the first motor 4 are servo motor.
Preferably, the side of the close host 3 of the cover board 18 is equipped with several for clean display screen and control panel
Hairbrush.
Cover board 18 when moving, can move on host 3, so that hairbrush is to display screen and control plane with electric brush
Plate carries out cleaning, avoids dust from being covered on display screen and control panel, influences the cleannes of host 3.
Preferably, the driving component includes the second motor 12, turntable 13 and two drawings in order to drive strut 16 mobile
Line 14, second motor 12 are fixedly connected with the inner wall of the side of the separate opening of fixed bin 11, second motor 12 with
Turntable 13 is sequentially connected, and the bracing wire 14 is corresponded with strut 16, and one end of the bracing wire 14 is described on turntable 13
The other end of bracing wire 14 is fixedly connected with strut 16, and second motor 12 is electrically connected with PLC.
When user needs to operate host 3, control the second motor 12 starting, turntable 13 is rotated, and is tightened bracing wire 14, is driven
Two struts 16 move in the direction away from each other, while compressed spring 17, so that two cover boards 18 are in the direction away from each other
It is mobile, so that display screen and control panel expose, operated convenient for user.
Preferably, the driving component further includes two fixed pulleys 15, described to determine cunning in order to change the direction of bracing wire 14
Wheel 15 is corresponded with bracing wire 14, and two fixed pulleys 15 are separately fixed at the both ends of the side of the separate opening of fixed bin 11, institute
One end of the separate turntable 13 of bracing wire 14 is stated to be fixedly connected around fixed pulley 15 with strut 16.
By the way that fixed pulley 15 is arranged, the direction of bracing wire 14 is changed, when tightening bracing wire 14, two struts 16 can be driven
It moves in the direction away from each other.
As shown in figure 4, be additionally provided with guide rod 19 in the fixed bin 11, the both ends of the guide rod 19 respectively with fixed bin
The inner wall of 11 two sides is fixedly connected, and one end of the separate cover board 18 of the strut 16 is equipped with aperture, and the guide rod 19 is worn
Small holes, the strut 16 are slidably connected with guide rod 19.
By the way that guide rod 19 is arranged, the moving direction of strut 16 is limited, so that strut 16 is more stable when mobile.
Preferably, the aperture in order to avoid strut 16 shakes when moving on guide rod 19, on the strut 16
Interior to be equipped with convex block 20, the guide rod 19 is equipped with groove, and the convex block 20 is arranged in the inside of groove, the convex block 20 with it is recessed
Slot is slidably connected.
Strut 16 drives convex block 20 to move in groove, limits the mobile side of strut 16 when moving on guide rod 19
To, also avoid strut 16 and rotate when being moved on guide rod 19, improve strut 16 it is mobile when stability.
Preferably, rise or fall to control host 3, set that there are two button 21, the buttons 21 on the pedestal 1
It is electrically connected with PLC.
It is risen or fallen in fact, two buttons 21 control host 3 respectively, user need to only kick lower button 21 with foot, just
It can control rising or falling for host 3, consequently facilitating user operates host 3.
When carrying out lifting work, user need to only kick lower button 21 with foot, and button 21 sends a signal to PLC, and PLC is controllable
Elevating mechanism work processed can control rising or falling for host 3, and control first motor 4 starts, and gear 5 rotates, due to tooth
Item 6 is fixedly installed, by engaging for gear 5 and rack gear 6, so that gear 5 moves on rack gear 6, to drive 4 liters of first motor
Drop drives host 3 to go up and down by connecting rod 7, to have adjusted the position of host 3, operates host 3 convenient for user.Work as camera
When detecting someone before host 3, control the second motor 12 starting, turntable 13 is rotated, and tightens bracing wire 14, drive two struts 16 to
The direction being located remotely from each other is mobile, while compressed spring 17, so that two cover boards 18 move in the direction away from each other, so that
Display screen and control panel expose, and operate convenient for user, before camera detection to host 3 when nobody, the second electricity of control
Machine 12 inverts, and lengthen bracing wire 14, by the restoring force of spring 17, drives two struts 16 mobile to direction close to each other, from
And make two cover boards 18 mobile to direction close to each other, until two cover boards 18 abut each other, to realize dust-proof function
Can, it avoids dust from being covered on display screen and control panel, influences the cleannes of host 3.
Compared with prior art, which passes through elevator
Structure, the height and position of adjustable host 3 operate host 3 convenient for the user of different heights, with existing elevating mechanism phase
Than the convenience that, the elevating mechanism improves the lifting of host 3, by dust-proof mechanism, can on host 3 display screen and control
Panel carries out dust-proof working, avoids dust from being covered on display screen and control panel, influences the cleannes of host 3, and existing
Dust-proof mechanism is compared, the dust-proof mechanism good dustproof effect, and practicability is high.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of building speakerphone with lifting and dust reduction capability for security protection, including host (3), pedestal (1) and two
It goes up and down box (2), two liftings box (2) are separately positioned on the both ends of the side of host (3), the both ends of the top of the pedestal (1)
It is fixedly connected respectively with below two lifting boxes (2), the other side of the host (3) is equipped with camera, display screen and control
Panel processed, the host (3) is interior to be equipped with PLC, and the camera, display screen and control panel are electrically connected with PLC, and feature exists
In further including dust-proof mechanism and two elevating mechanisms, the dust-proof mechanism is arranged in the top of host (3), the elevating mechanism
It is corresponded with lifting box (2), the elevating mechanism setting is in the inside of lifting box (2)；
The elevating mechanism includes first motor (4), gear (5), rack gear (6) and connecting rod (7), lifting box (2) it is close
The side of host (3) is equipped with opening, and one end of the connecting rod (7) is fixedly connected with host (3), the other end of the connecting rod (7)
Across opening setting in the inside of lifting box (2), the other end of the connecting rod (7) is fixedly connected with first motor (4), the tooth
(5) setting is taken turns in the side of the separate opening of first motor (4), the first motor (4) and gear (5) are sequentially connected, described
On the inner wall of the side of the separate opening of the side and lifting box (2) of rack gear (6), the gear (5) is engaged with rack gear (6), institute
First motor (4) is stated to be electrically connected with PLC；
The dust-proof mechanism includes fixed bin (11) and two cover boards (18), and the fixed bin (11) is fixed on the upper of host (3)
Side, the side of the close display screen of the fixed bin (11) are equipped with strip shape gob, are equipped with driving assembly, two in the fixed bin (11)
The inner wall in the side of the separate strip shape gob of fixed bin (11) is arranged in a strut (16) and two springs (17), the driving component
On, the strut (16) and spring (17) correspond, and one end of the spring (17) is connect with strut (16), the spring
(17) the other end is connect with the inner wall of fixed bin (11), and the spring (17) is in compressive state, the strut (16) and lid
Plate (18) corresponds, and the shape of the strut (16) is L shape, and one end of the strut (16) is connect with driving assembly, described
The other end of strut (16) passes through to be fixedly connected above strip shape gob and cover board (18), and two cover boards (18) cover be located at display respectively
On screen and control panel.
2. as described in claim 1 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
It states and is coated with lubricating grease on rack gear (6).
3. as described in claim 1 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
Stating elevating mechanism further includes two limit assemblies, and two limit assemblies are separately positioned on the two sides of connecting rod (7), the limit assembly
Including slideway (10), pulley (9) and fixed link (8), the slideway (10) is fixed on the one of the close host (3) of lifting box (2)
On side, the slideway (10) is equipped with sliding slot, the side of the close lifting box (2) of one end and host (3) of the fixed link (8)
Be fixedly connected, the other end of the fixed link (8) is connect with pulley (9), the inner wall of the pulley (9) and sliding slot against.
4. as described in claim 1 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
Stating first motor (4) is servo motor.
5. as described in claim 1 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
The side for stating the close host (3) of cover board (18) is equipped with several hairbrush.
6. as described in claim 1 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
Stating driving assembly includes the second motor (12), turntable (13) and two bracing wires (14), second motor (12) and fixed bin
(11) inner wall of the side of separate opening is fixedly connected, and second motor (12) and turntable (13) are sequentially connected, the drawing
Line (14) and strut (16) correspond, one end of the bracing wire (14) on turntable (13), the bracing wire (14) it is another
One end is fixedly connected with strut (16), and second motor (12) is electrically connected with PLC.
7. as claimed in claim 6 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
Stating driving assembly further includes two fixed pulleys (15), and the fixed pulley (15) and bracing wire (14) correspond, two fixed pulleys
(15) it is separately fixed at the both ends of the side of the separate opening of fixed bin (11), the one of the separate turntable (13) of the bracing wire (14)
End is fixedly connected around fixed pulley (15) with strut (16).
8. as described in claim 1 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
It states and is additionally provided with guide rod (19) in fixed bin (11), the both ends of the guide rod (19) are interior with the two sides of fixed bin (11) respectively
Wall is fixedly connected, and one end of the separate cover board (18) of the strut (16) is equipped with aperture, and the guide rod (19) passes through aperture,
The strut (16) is slidably connected with guide rod (19).
9. as claimed in claim 8 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that institute
It states in the aperture on strut (16) and is equipped with convex block (20), the guide rod (19) is equipped with groove, and convex block (20) setting exists
The inside of groove, the convex block (20) are slidably connected with groove.
10. as described in claim 1 for the building speakerphone with lifting and dust reduction capability of security protection, which is characterized in that
It is set on the pedestal (1) there are two button (21), the button (21) is electrically connected with PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528158.9A CN110166753B (en) | 2019-06-18 | 2019-06-18 | A building intercom that is used for having of security protection lift and dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528158.9A CN110166753B (en) | 2019-06-18 | 2019-06-18 | A building intercom that is used for having of security protection lift and dustproof function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110166753A true CN110166753A (en) | 2019-08-23 |
| CN110166753B CN110166753B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910528158.9A Active CN110166753B (en) | 2019-06-18 | 2019-06-18 | A building intercom that is used for having of security protection lift and dustproof function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654667A (en) * | 2020-05-25 | 2020-09-11 | 刘彦杰 | Building intercom with prevent function of intaking |
| CN112471819A (en) * | 2020-11-27 | 2021-03-12 | 李海芳 | Adjustable bed |
| CN112736849A (en) * | 2020-12-16 | 2021-04-30 | 海南电网有限责任公司万宁供电局 | Phase-failure tripping alarm device |
| CN113206899A (en) * | 2021-03-31 | 2021-08-03 | 武汉特斯联智能工程有限公司 | Building remote intercom device |
| CN114572118A (en) * | 2022-03-15 | 2022-06-03 | 浙江极氪智能科技有限公司 | Touch panel device |
| CN114607928A (en) * | 2022-03-14 | 2022-06-10 | 联众智慧科技股份有限公司 | Intelligent monitoring system for hospital chronic disease management |
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| EP1501307A2 (en) * | 2003-07-22 | 2005-01-26 | Elvox Costruzioni Elettroniche S.p.A. | Intercommunication apparatus |
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| CN111654667A (en) * | 2020-05-25 | 2020-09-11 | 刘彦杰 | Building intercom with prevent function of intaking |
| CN112471819A (en) * | 2020-11-27 | 2021-03-12 | 李海芳 | Adjustable bed |
| CN112736849A (en) * | 2020-12-16 | 2021-04-30 | 海南电网有限责任公司万宁供电局 | Phase-failure tripping alarm device |
| CN112736849B (en) * | 2020-12-16 | 2023-01-10 | 海南电网有限责任公司万宁供电局 | Phase-failure tripping alarm device |
| CN113206899A (en) * | 2021-03-31 | 2021-08-03 | 武汉特斯联智能工程有限公司 | Building remote intercom device |
| CN114607928A (en) * | 2022-03-14 | 2022-06-10 | 联众智慧科技股份有限公司 | Intelligent monitoring system for hospital chronic disease management |
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