CN210291234U - Lifting electronic screen - Google Patents
Lifting electronic screen Download PDFInfo
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- CN210291234U CN210291234U CN201921175611.4U CN201921175611U CN210291234U CN 210291234 U CN210291234 U CN 210291234U CN 201921175611 U CN201921175611 U CN 201921175611U CN 210291234 U CN210291234 U CN 210291234U
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- electronic screen
- lifting
- block
- power supply
- lifting platform
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Abstract
The utility model discloses a lift electronic screen, include: the electronic screen and the lifting device drive the electronic screen to lift; the lifting device comprises a linear guide rail, a lifting motor and a lifting platform which is movably arranged on the linear guide rail, and the electronic screen is rotatably arranged on the lifting platform; a driven wheel is arranged corresponding to the linear guide rail, a driving wheel is fixed on a piston rod of the lifting motor, a belt is sleeved on the driving wheel and the driven wheel, and the lifting platform is fixedly connected with the belt; an elevation angle turnover mechanism used for driving the electronic screen to rotate is further arranged on the lifting platform. The utility model has reasonable and ingenious structural design, low cost, safe low pressure and good dustproof effect; when the electronic screen rises to a set position, the electronic screen can be driven to turn over by a set angle through the elevation turnover mechanism, so that the electronic screen is over against a user, and a good visual effect is provided; in addition, the setting of emergency power supply system guarantees that the electronic screen can continue to work after the outage, prevents losing of data, can deal with multiple proruption occasion.
Description
Technical Field
The utility model relates to an electronic screen field, concretely relates to lift electronic screen.
Background
The electronic screen comprises an LED screen and an OLED screen, and is a screen body formed by a plurality of display units which can be combined and spliced, and a set of appropriate controller (a main control board or a control system) is added. Therefore, the display units with various specifications can be matched with controllers with different control technologies to form a plurality of electronic screens so as to meet the requirements of different environments and different display requirements.
The electronic screen has a wide application range, and in some speech activities, the electronic screen is usually arranged to provide text assistance for a speaker, and most of the existing electronic screens are directly fixed on a speech table to achieve the purpose; the electronic screen is exposed for a long time, so that the service life of the electronic screen is reduced, and in addition, the visual effect is easily influenced after dust is accumulated on the electronic screen; the existing liftable electronic screen mostly adopts 220V power supply, the lifting process speed is unstable, and the dustproof effect is poor; the simple lifting can not provide good visual effect for the user; and the power supply of 220V requires enough circuit protection elements and enough electric shock prevention design, which undoubtedly increases the production cost. On the other hand, when the external power supply module can not supply power, the existing liftable electronic screen can not complete the lifting operation and can not be used in emergency occasions.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a lift electronic screen.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
an elevating electronic screen comprising: the electronic screen comprises an electronic screen and a lifting device for driving the electronic screen to lift; the lifting device comprises a linear guide rail, a lifting motor and a lifting platform which is vertically arranged, the lifting platform is movably arranged on the linear guide rail, and the electronic screen is rotatably arranged on the lifting platform; a driven wheel is arranged corresponding to the linear guide rail, a driving wheel is fixed on a piston rod of the lifting motor, a belt is sleeved on the driving wheel and the driven wheel, and the lifting platform is fixedly connected with the belt; and the lifting platform is also provided with an elevation angle turnover mechanism for driving the electronic screen to rotate.
The elevation turnover mechanism comprises a connecting block, a driving block, an elevation motor and a rotating shaft fixed on the lower end face of the electronic screen; the rotating shaft is transversely and movably arranged on the lifting platform, the connecting block is fixedly connected with the rotating shaft, a first sliding groove is formed in the connecting block, and a first connecting shaft is movably arranged in the first sliding groove; the driving block is fixed on a piston rod of the elevation motor, and the first connecting shaft is fixedly connected with the tail end of the driving block.
The emergency power supply system comprises a power supply control circuit board and a battery pack; the power supply control circuit board is provided with a main processing unit, a charge and discharge control module and a power supply management module; the main processing unit is respectively connected with the charge and discharge control module and the power management module, the battery pack is connected to the charge and discharge control module, and the power management module is respectively electrically connected with the lifting motor, the elevation motor and the electronic screen.
The emergency power supply system is also provided with an external power supply interface, and the external power supply interface is connected to the charge and discharge control module.
The electronic screen lifting device further comprises a supporting protective shell used for protecting the electronic screen and the lifting device and a rotating block movably arranged on the inner side of the supporting protective shell; an electronic screen through hole is formed in the top end of the supporting and protecting shell; and a sealing baffle is transversely arranged in the supporting protective shell corresponding to the electronic screen through hole and is fixedly connected with the rotating block.
A second sliding groove is formed in the rotating block, and a second connecting shaft is movably mounted on the second sliding groove; a pull rod is arranged in the supporting and protecting shell corresponding to the rotating block, and the second connecting shaft is fixedly connected with the head end of the pull rod.
A first screw rod is vertically arranged on one side of the pull rod, a first screw rod sliding block is movably mounted on the first screw rod, and the tail end of the pull rod is fixedly connected with the first screw rod sliding block; and a second lead screw sliding block is fixed on one side of the lifting platform, a second lead screw is fixedly connected with the head end of the first lead screw, and the second lead screw sliding block is movably arranged on the second lead screw.
The lifting motor and the elevation motor are both PM12V stepping motors.
And a rubber sealing ring is arranged on the outer side of the sealing baffle.
The second sliding groove is arc-shaped.
The utility model has the advantages that: the utility model has reasonable and ingenious structural design, low cost, safe low pressure and good dustproof effect; after the electronic screen is lifted to a set position, the electronic screen can be driven to turn over by a set angle through the elevation angle turning mechanism, so that the electronic screen is opposite to a user, and a good visual effect is provided for the user; in addition, the setting of emergency power supply system guarantees that the electronic screen can continue to work after the outage, prevents losing of data, can deal with multiple proruption occasion.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic diagram a of the internal structure of the present invention;
fig. 3 is a schematic diagram b of the internal structure of the present invention;
fig. 4 is a schematic diagram of a connection relationship between modules on the power supply control circuit board according to an embodiment of the present invention.
Detailed Description
In an embodiment, referring to fig. 1 to fig. 3, the lifting electronic screen provided in this embodiment includes: the electronic screen comprises an electronic screen 1 and a lifting device 2 for driving the electronic screen 1 to lift; the lifting device 2 comprises a linear guide rail 21, a lifting motor 22 and a lifting platform 23 movably mounted on the linear guide rail 21, and the electronic screen 1 is rotatably mounted on the lifting platform 23; a driven wheel 24 is arranged corresponding to the linear guide rail 21, a driving wheel 25 is fixed on a piston rod of the lifting motor 22, a belt 26 is sleeved on the driving wheel 25 and the driven wheel 24, and the lifting platform 23 is fixedly connected with the belt 26; an elevation angle turnover mechanism for driving the electronic screen 1 to rotate is further arranged on the lifting platform 23. The belt 26 is driven to rotate by the lifting motor 22 so as to lift the electronic screen 1, and the moving direction of the electronic screen is determined by the linear guide rail 21, so that the stability of the lifting line and the lifting speed of the electronic screen 1 can be ensured, and the service life of the electronic screen 1 is prolonged. In addition, the arrangement of the elevation turnover mechanism can drive the electronic screen 1 to turn over for a set angle through the elevation turnover mechanism after the electronic screen 1 rises to a set position, so that the electronic screen 1 is over against a user, and a good visual effect is provided for the user.
The elevation turnover mechanism comprises a connecting block 31, a driving block 32, an elevation motor 33 and a rotating shaft 34 fixed on the lower end surface of the electronic screen 1; the rotating shaft 34 is transversely movably mounted on the lifting platform 23, the connecting block 31 is fixedly connected with the rotating shaft 34, a first sliding groove 311 is formed in the connecting block 31, and a first connecting shaft is movably mounted in the first sliding groove 311; the driving block 32 is fixed on a piston rod of the elevation motor 33, and the first connecting shaft is fixedly connected with the tail end of the driving block 32. The elevation motor 33 works, the piston rod of the elevation motor drives the driving block 32 to rotate, the driving block 32 drives the first connecting shaft to slide downwards in the first sliding groove 311 and simultaneously drives the connecting block 31 to swing, and the connecting block 31 drives the electronic screen 1 to turn over for a set angle through the rotating shaft 34.
Referring to fig. 2 to 4, it further includes an emergency power supply system including a power supply control circuit board 41 and a battery pack 42; the power supply control circuit board 41 is provided with a main processing unit 411, a charging and discharging control module 412 and a power management module 413; the main processing unit 411 is respectively connected to the charge and discharge control module 412 and the power management module 413, the battery pack 42 is connected to the charge and discharge control module 412, and the power management module 413 is respectively electrically connected to the lifting motor 22, the elevation motor 33, and the electronic screen 1. The charge and discharge control module 412 is a 12V charge and discharge controller, the battery pack is a lithium battery pack, and the power management module 413 is a PWRM power manager.
The emergency power supply system is further provided with an external power supply interface 43, and the external power supply interface 43 is connected to the charging and discharging control module 412. Under the normal power supply state, an external power supply module outside the device is inserted into the external power supply interface 43 and is communicated with the charge-discharge control module 412, and the charge-discharge control module 412 transmits current to the power management module 413 and then controls the power management module 411 to respectively supply power to the lifting motor 22, the elevation motor 33 and the electronic screen 1; the main processing power supply controls the charging and discharging control module 412 to input part of the current into the battery pack 42 to charge the battery pack 42.
When the external power supply module cannot supply power in a sudden situation or the external power supply module is suddenly powered off in use, because the circuit voltage is less than the voltage of the battery pack 42, after the battery pack 42 discharges to the charge-discharge control module 412, the current is input to the power management module 413, and is controlled by the main processing unit 411 to respectively supply power to the lifting motor 22, the elevation motor 33 and the electronic screen 1. The electronic screen 1 can still continue to work after power failure, data loss is prevented, and various emergency occasions can be dealt with.
Referring to fig. 1 to 3, the electronic screen protection device further includes a supporting protection shell 5 for protecting the electronic screen 1 and the lifting device 2, and a rotating block 6 movably mounted inside the supporting protection shell 5; an electronic screen through hole 51 is formed in the top end of the supporting and protecting shell 5; a sealing baffle 7 is transversely arranged in the supporting and protecting shell 5 corresponding to the electronic screen through hole 51, and the sealing baffle 7 is fixedly connected with the rotating block 6. The electronic screen 1 and the lifting device 2 are both arranged in the supporting and protecting shell 5, and when the electronic screen lifting device is used, the lifting device 2 drives the electronic screen 1 to be lifted out of the supporting and protecting shell 5 through the electronic screen through hole 51; when not using, elevating gear 2 orders about electronic screen 1 and descends to support protective housing 5 in through electronic screen clearing hole 51 to block this electronic screen clearing hole 51 through seal baffle 7, improve the utility model discloses a dustproof effect prolongs electronic screen 1's life, provides good visual effect for the user.
A second sliding groove 61 is formed in the rotating block 6, and a second connecting shaft is movably mounted on the second sliding groove 61; a pull rod 8 is arranged in the supporting and protecting shell 5 corresponding to the rotating block 6, and the second connecting shaft is fixedly connected with the head end of the pull rod 8.
A first screw rod 9 is vertically arranged on one side of the pull rod 8, a first screw rod slide block 91 is movably arranged on the first screw rod 9, and the tail end of the pull rod 8 is fixedly connected with the first screw rod slide block 91; a second screw rod sliding block is fixed on one side of the lifting platform 23, a second screw rod is fixedly connected to the head end of the first screw rod 9, and the second screw rod sliding block is movably mounted on the second screw rod. In the descending process of the lifting platform 23, the second lead screw is driven to rotate by the second lead screw sliding block, the second lead screw drives the first lead screw 9 to rotate, the first lead screw 9 drives the first lead screw sliding block 91 to move downwards, the pull rod 8 drives the second connecting shaft to move downwards in the second sliding groove 61 and drive the rotating block 6 to swing for a set angle, and the rotating block 6 drives the sealing baffle 7 to overturn to block the electronic screen through hole 51. Similarly, in the ascending process of the lifting platform 23, the second lead screw is driven to rotate through the second lead screw sliding block, the second lead screw drives the first lead screw 9 to rotate, the first lead screw 9 drives the first lead screw sliding block 91 to move upwards, the pull rod 8 drives the second connecting shaft to move upwards in the second sliding groove 61 and drive the rotating block 6 to swing for a set angle, and the rotating block 6 drives the sealing baffle 7 to turn over for the staggered electronic screen through hole 51 with the set angle. The lifting motor 22 and the elevation motor 33 are both PM12V stepping motors. Because elevator motor 22, angle of elevation motor 33 are PM12V step motor, the utility model discloses only need 12V's access voltage alright normal operating, the low pressure safety, and need not to carry out too much protection against electric shock design, reduce cost.
And a rubber sealing ring is arranged on the outer side of the sealing baffle 7. Rubber seal's setting, further improvement the utility model discloses a dustproof effect.
The second slide groove 61 is arc-shaped.
Referring to fig. 1 to 4, in use, the lifting motor 22 drives the belt 26 to rotate, the lifting platform 23 is driven to ascend, the second lead screw slider drives the second lead screw to rotate, the second lead screw drives the first lead screw 9 to rotate, the first lead screw 9 drives the first lead screw slider 91 to move upwards, the pull rod 8 drives the second connecting shaft to move upwards in the second sliding groove 61 and drive the rotating block 6 to swing for a set angle, the rotating block 6 drives the sealing baffle 7 to turn over for the set angle to stagger the electronic screen through hole 51, and the lifting platform 23 drives the electronic screen 1 to ascend out of the supporting protective shell 5 through the electronic screen through hole 51; the elevation motor 33 works, the piston rod of the elevation motor drives the driving block 32 to rotate, the driving block 32 drives the first connecting shaft to slide downwards in the first sliding groove 311 and simultaneously drives the connecting block 31 to swing, and the connecting block 31 drives the electronic screen 1 to turn over for a set angle through the rotating shaft 34.
After the electronic screen 1 is used, the elevation motor 33 works, the piston rod of the elevation motor drives the driving block 32 to rotate, the driving block 32 drives the first connecting shaft to slide downwards in the first sliding groove 311 and simultaneously drives the connecting block 31 to swing, and the connecting block 31 drives the electronic screen 1 to turn over and reset through the rotating shaft 34; lifting motor 22 orders about belt 26 to rotate, drive lift platform 23 and descend, lift platform 23 drives electronic screen 1 and descends to supporting protective housing 5 through electronic screen clearing hole 51 in, order about the second lead screw through the second lead screw slider and rotate, the second lead screw drives first lead screw 9 and rotates, first lead screw 9 orders about first lead screw slider 91 and moves down, pull rod 8 orders about the second connecting axle and moves down and drive turning block 6 swing settlement angle in second sliding tray 61, turning block 6 drives the upset of sealed baffle 7 and blocks electronic screen clearing hole 51.
The utility model has reasonable and ingenious structural design, low cost, safe low pressure and good dustproof effect; after the electronic screen 1 rises to a set position, the electronic screen 1 can be driven to turn over by a set angle through the elevation angle turning mechanism, so that the electronic screen 1 is opposite to a user, and a good visual effect is provided for the user; in addition, the setting of emergent power supply system guarantees that electronic screen 1 can continue to work after the outage, prevents losing of data, can deal with multiple proruption occasion.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A lift electronic screen, comprising: the electronic screen comprises an electronic screen and a lifting device for driving the electronic screen to lift;
the lifting device comprises a linear guide rail, a lifting motor and a lifting platform which is vertically arranged, the lifting platform is movably arranged on the linear guide rail, and the electronic screen is rotatably arranged on the lifting platform;
a driven wheel is arranged corresponding to the linear guide rail, a driving wheel is fixed on a piston rod of the lifting motor, a belt is sleeved on the driving wheel and the driven wheel, and the lifting platform is fixedly connected with the belt;
and the lifting platform is also provided with an elevation angle turnover mechanism for driving the electronic screen to rotate.
2. The lifting electronic screen of claim 1, wherein the elevation turnover mechanism comprises a connecting block, a driving block, an elevation motor and a rotating shaft fixed on the lower end face of the electronic screen;
the rotating shaft is transversely and movably arranged on the lifting platform, the connecting block is fixedly connected with the rotating shaft, a first sliding groove is formed in the connecting block, and a first connecting shaft is movably arranged in the first sliding groove;
the driving block is fixed on a piston rod of the elevation motor, and the first connecting shaft is fixedly connected with the tail end of the driving block.
3. The elevating electronic screen of claim 2, further comprising an emergency power supply system comprising a power supply control circuit board and a battery pack;
the power supply control circuit board is provided with a main processing unit, a charge and discharge control module and a power supply management module;
the main processing unit is respectively connected with the charge and discharge control module and the power management module, the battery pack is connected to the charge and discharge control module, and the power management module is respectively electrically connected with the lifting motor, the elevation motor and the electronic screen.
4. The lifting electronic screen according to claim 3, wherein the emergency power supply system is further provided with an external power supply interface, and the external power supply interface is connected to the charging and discharging control module.
5. The lifting electronic screen according to claim 1, further comprising a supporting protective shell for protecting the electronic screen and the lifting device, and a rotating block movably mounted inside the supporting protective shell;
an electronic screen through hole is formed in the top end of the supporting and protecting shell;
and a sealing baffle is transversely arranged in the supporting protective shell corresponding to the electronic screen through hole and is fixedly connected with the rotating block.
6. The lifting electronic screen according to claim 5, wherein a second sliding groove is arranged on the rotating block, and a second connecting shaft is movably arranged on the second sliding groove;
a pull rod is arranged in the supporting and protecting shell corresponding to the rotating block, and the second connecting shaft is fixedly connected with the head end of the pull rod.
7. The lifting electronic screen according to claim 6, wherein a first screw rod is vertically arranged on one side of the pull rod, a first screw rod sliding block is movably arranged on the first screw rod, and the tail end of the pull rod is fixedly connected with the first screw rod sliding block;
and a second lead screw sliding block is fixed on one side of the lifting platform, a second lead screw is fixedly connected with the head end of the first lead screw, and the second lead screw sliding block is movably arranged on the second lead screw.
8. The lift electronic screen of claim 2, wherein the lift motor and the elevation motor are each a PM12V stepper motor.
9. The elevating electronic screen according to claim 5, wherein the sealing baffle is provided with a rubber sealing ring on the outer side.
10. The electronic lifting screen according to claim 6, wherein the second sliding groove is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175611.4U CN210291234U (en) | 2019-07-25 | 2019-07-25 | Lifting electronic screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175611.4U CN210291234U (en) | 2019-07-25 | 2019-07-25 | Lifting electronic screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210291234U true CN210291234U (en) | 2020-04-10 |
Family
ID=70104250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921175611.4U Active CN210291234U (en) | 2019-07-25 | 2019-07-25 | Lifting electronic screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210291234U (en) |
-
2019
- 2019-07-25 CN CN201921175611.4U patent/CN210291234U/en active Active
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