CN210150546U - Elevator projection device - Google Patents
Elevator projection device Download PDFInfo
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- CN210150546U CN210150546U CN201920758013.3U CN201920758013U CN210150546U CN 210150546 U CN210150546 U CN 210150546U CN 201920758013 U CN201920758013 U CN 201920758013U CN 210150546 U CN210150546 U CN 210150546U
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- elevator
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- projector
- transmission mechanism
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Abstract
The utility model provides an elevator projection arrangement, include: the projector is arranged in the elevator main body and has an opening state and a closing state; the magnetic piece is arranged on one side of the elevator door facing the elevator main body and can move along with the movement of the elevator door; the inductor comprises a signal transmission mechanism used for sending an opening signal or a closing signal to the projector and a power generation mechanism electrically connected with the signal transmission mechanism and used for supplying power to the signal transmission mechanism, wherein the power generation mechanism comprises a magnetic conduction piece and a coil wound around the magnetic conduction piece, the coil can generate a first direction current when the elevator door is closed and moves, and can generate a second direction current due to magnetic flux change when the elevator door is opened and moves, and the signal transmission mechanism can send the opening signal to the projector when the first direction current passes and send the closing signal to the projector when the second direction current passes. Therefore, the inductor does not need to use power supplies such as a battery and the like and can generate power autonomously, and personnel are prevented from being replaced and maintained regularly.
Description
Technical Field
The utility model belongs to the technical field of projection equipment, especially, relate to an elevator projection arrangement.
Background
Along with the development of communication technology, a large amount of advertisement information is filled around people, and in order to compete for the propaganda of eyeball economic advertisements, the elevator door projection advertisement has the characteristic of high mandatory viewability which other propaganda media do not have, so the elevator door projection advertisement is gradually rising.
The existing elevator projection device comprises a projector and a sensor for transmitting an opening signal or a closing signal to the projector, so that the inconvenience caused by wiring of the existing sensor is avoided, a battery is usually used as a power supply, a worker needs to be arranged for regular replacement and maintenance, and the maintenance cost and the time cost are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elevator projection arrangement aims at solving among the prior art battery and needs to arrange personnel's periodic replacement and the technical problem who maintains as the power.
The utility model discloses a realize like this, an elevator projection arrangement for install on the elevator subassembly, the elevator subassembly includes the elevator main part and connects in the lift-cabin door of elevator main part, the lift-cabin door can open the door and remove and close the door and remove, include:
the projector is arranged in the elevator main body and has an opening state and a closing state;
the magnetic piece is arranged on one side of the elevator door facing the projector and can move along with the movement of the elevator door;
the elevator door opening and closing device comprises an inductor and a control device, wherein the inductor comprises a signal transmission mechanism used for sending an opening signal or a closing signal to the projector and a power generation mechanism electrically connected with the signal transmission mechanism and used for supplying power to the signal transmission mechanism, the power generation mechanism comprises a magnetic conduction piece and a coil wound on the magnetic conduction piece, the magnetic conduction piece can move relative to the magnetic piece when the elevator door is opened or closed, and the magnetic flux passing through the coil can be changed due to the relative movement of the magnetic piece and the magnetic conduction piece;
the coil can generate a first-direction current due to magnetic flux change when the elevator door is closed and moved so as to supply power to the signal transmission mechanism, and can generate a second-direction current due to magnetic flux change when the elevator door is opened and moved so as to supply power to the signal transmission mechanism, the signal transmission mechanism can send an opening signal to the projector when the first-direction current passes through the signal transmission mechanism and send a closing signal to the projector when the second-direction current passes through the signal transmission mechanism, and the projector is switched to the opening state when receiving the opening signal and is switched to the closing signal when receiving the closing signal.
Further, the magnetic part and the magnetic conduction part are located at the same horizontal height.
Furthermore, the magnetic part and the magnetic conduction part are both strip-shaped and extend towards the motion direction of the elevator door.
Further, the magnetic part and the magnetic conduction part are arranged in parallel.
Further, the magnetic piece is arranged at the position of the elevator door close to the top of the elevator door.
Further, the magnetic member is located at one end of the elevator door near the elevator body.
Further, the opening signal and the closing signal are both infrared signals.
Further, the opening signal and the closing signal are both wireless signals.
Further, the inductor is connected to the top of the inner wall of the elevator body.
Further, the inductor is adhered to the elevator body.
The utility model discloses technical effect for prior art is: the utility model discloses a relative motion of magnetic part and magnetic conduction spare makes magnetic line of force quantity through the coil change, the magnetic flux changes promptly, make the coil produce the electric current, so that supply power to signal transmission mechanism, the magnetic part is different with the relative motion direction of magnetic conduction spare, the electric current direction of production is also different, produce the first direction electric current promptly and with the opposite second direction electric current of first direction electric current direction, signal transmission mechanism just can judge lift-cabin door switch direction according to the electric current direction of difference like this, with send opening signal or closing signal to the projector, the opening or closing of projector has been realized. The inductor does not need to use power supplies such as a battery and the like and can generate power autonomously, so that personnel are prevented from replacing and maintaining regularly, and the maintenance cost and the time cost are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an elevator projection device provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a magnetic member and an inductor according to an embodiment of the present invention;
description of reference numerals:
10. a projector; 20. a magnetic member; 30. an inductor; 31. a signal transmission mechanism; 32. a generator; 321. a magnetic conductive member; 322. a coil; 40. elevator door
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "top", "inner", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the utility model provides an elevator projection arrangement for install on elevator subassembly, elevator subassembly include the elevator main part and connect in the lift-cabin door 40 of elevator main part, and lift-cabin door 40 can open the door and remove and close the door and remove, including installing in the projector 10 in the elevator main part, installing in the magnetic part 20 and the inductor 30 of lift-cabin door 40 towards one side of projector 10.
The projector 10 has an on state and an off state. When the projector 10 is in the open state, it can project toward the elevator door 40, and when the projector 10 is in the closed state, the projector 10 closes the projection.
Referring to fig. 2, since the magnetic member 20 is fixedly connected to the elevator door 40, the magnetic member 20 can move along with the movement of the elevator door 40. When the elevator door 40 is opened or closed, the magnetic member 20 will not collide with the elevator body.
Referring to fig. 2, the inductor 30 includes a signal transmission mechanism 31 for transmitting an opening signal or a closing signal to the projector 10, and a power generation mechanism electrically connected to the signal transmission mechanism 31 for supplying power to the signal transmission mechanism 31, where the power generation mechanism includes a magnetic conductive member 321 and a coil 322 wound around the magnetic conductive member 321, the magnetic conductive member 321 can move relative to the magnetic member 20 when the elevator door 40 performs door opening movement or door closing movement, and the magnetic flux passing through the coil 322 can be changed by the relative movement between the magnetic member 20 and the magnetic conductive member 321, so that the coil 322 generates current.
The coil 322 can generate a first direction current when the elevator door 40 is closed and can generate a second direction current due to the change of magnetic flux when the elevator door 40 is opened, the signal transmission mechanism 31 can transmit an opening signal to the projector 10 when the first direction current passes through and transmit a closing signal to the projector 10 when the second direction current passes through, the projector 10 is switched to an opening state when receiving the opening signal and switched to a closing signal when receiving the closing signal.
The utility model discloses a relative motion of magnetic part 20 and magnetic conduction piece 321 makes the magnetic line of force quantity through coil 322 change, the magnetic flux changes promptly, make coil 322 produce the electric current, so that supply power to signal transmission mechanism 31, magnetic part 20 is different with the relative motion direction of magnetic conduction piece 321, the electric current direction of production is also different, produce first direction electric current promptly and with the opposite second direction electric current of first direction electric current direction, signal transmission mechanism 31 just can judge lift-cabin door 40 switch direction according to the electric current direction of difference like this, with send opening signal or closing signal to projector 10, the opening or closing of projector 10 has been realized. The inductor 30 can generate power autonomously without using a power source such as a battery, so that the personnel is prevented from replacing and maintaining at regular intervals, and the maintenance cost and the time cost are reduced.
Referring to fig. 1, preferably, the magnetic member 20 and the magnetic conductive member 321 are located at the same level to increase the magnetic flux variation, so as to increase the current, so as to ensure that the power supply of the power generation mechanism to the signal transmission mechanism 31 is sufficient.
Referring to fig. 1, the magnetic member 20 and the magnetic conductive member 321 are both strip-shaped and extend toward the moving direction of the elevator door 40 to prolong the magnetic induction time and ensure that the signal transmission mechanism 31 has enough time to transmit the signal to the projector 10. The two extended ends of the magnetic member 20 are N-pole and S-pole, respectively, so that the variation of the magnetic flux in the coil 322 is maximized. The magnetic member 20 is a permanent magnet, and the magnetic conductive member 321 can be a good conductor such as iron, cobalt, nickel, etc.
Referring to fig. 1, preferably, the magnetic member 20 is disposed parallel to the magnetic conductive member 321, so as to maximize the variation of the magnetic flux in the coil 322.
Referring to fig. 1, preferably, the magnetic member 20 is disposed near the top of the elevator door 40 to avoid obstructing the projection and the projection or obstructing the view.
Referring to fig. 1, in the embodiment of the present invention, the magnetic member 20 is located at an end of the elevator door 40 close to the elevator main body, so that the sensor 30 can transmit a close signal to the projector 10 when the elevator door 40 is just opened, and transmit an open signal to the projector 10 when the elevator door 40 is just closed.
Optionally, the opening signal and the closing signal may be infrared signals or wireless signals, so as to implement signal transmission.
Referring to fig. 1, in order to prevent the sensor 30 from obstructing the view, the sensor 30 is connected to the top of the inner wall of the elevator body and is located near the elevator door 40. Preferably, the inductor 30 is adhesively attached to the elevator body so as to facilitate a quick connection of the inductor 30 to the elevator body, avoiding punching the elevator body.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an elevator projection arrangement for install on elevator subassembly, elevator subassembly includes elevator main part and connects in the lift-cabin door of elevator main part, the lift-cabin door can open the door and remove and close the door and remove, its characterized in that includes:
the projector is arranged in the elevator main body and has an opening state and a closing state;
the magnetic piece is arranged on one side of the elevator door facing the projector and can move along with the movement of the elevator door;
the elevator door opening and closing device comprises an inductor and a control device, wherein the inductor comprises a signal transmission mechanism used for sending an opening signal or a closing signal to the projector and a power generation mechanism electrically connected with the signal transmission mechanism and used for supplying power to the signal transmission mechanism, the power generation mechanism comprises a magnetic conduction piece and a coil wound on the magnetic conduction piece, the magnetic conduction piece can move relative to the magnetic piece when the elevator door is opened or closed, and the magnetic flux passing through the coil can be changed due to the relative movement of the magnetic piece and the magnetic conduction piece;
the coil can generate a first-direction current due to magnetic flux change when the elevator door is closed and moved so as to supply power to the signal transmission mechanism, and can generate a second-direction current due to magnetic flux change when the elevator door is opened and moved so as to supply power to the signal transmission mechanism, the signal transmission mechanism can send an opening signal to the projector when the first-direction current passes through the signal transmission mechanism and send a closing signal to the projector when the second-direction current passes through the signal transmission mechanism, and the projector is switched to the opening state when receiving the opening signal and is switched to the closing signal when receiving the closing signal.
2. The elevator projection device of claim 1, wherein the magnetic member is at the same level as the magnetic conductive member.
3. The elevator projection device of claim 2, wherein the magnetic member and the magnetic conductive member are both strip-shaped and extend toward the direction of movement of the elevator door.
4. The elevator projection device of claim 3, wherein the magnetic member is disposed parallel to the magnetically permeable member.
5. The elevator projection device of claim 1, wherein the magnetic member is disposed near the top of the elevator door.
6. The elevator projection device of claim 1, wherein the magnetic member is located at an end of the elevator door near the elevator body.
7. The elevator projection device of claim 1, wherein the turn-on signal and the turn-off signal are both infrared signals.
8. The elevator projection device of claim 1, wherein the turn-on signal and the turn-off signal are both wireless signals.
9. The elevator projection device of claim 1, wherein the sensor is attached to the top of the inner wall of the elevator body.
10. The elevator projection device of claim 1, wherein the sensor is adhesively attached to the elevator body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758013.3U CN210150546U (en) | 2019-05-22 | 2019-05-22 | Elevator projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758013.3U CN210150546U (en) | 2019-05-22 | 2019-05-22 | Elevator projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210150546U true CN210150546U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920758013.3U Active CN210150546U (en) | 2019-05-22 | 2019-05-22 | Elevator projection device |
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| Country | Link |
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| CN (1) | CN210150546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217387A (en) * | 2021-04-20 | 2022-10-21 | 南宁富联富桂精密工业有限公司 | Electric door |
-
2019
- 2019-05-22 CN CN201920758013.3U patent/CN210150546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217387A (en) * | 2021-04-20 | 2022-10-21 | 南宁富联富桂精密工业有限公司 | Electric door |
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