CN214101598U

CN214101598U - Projection screen, projection screen assembly and projection equipment

Info

Publication number: CN214101598U
Application number: CN202120089747.4U
Authority: CN
Inventors: 胡震宇; 蒋科强
Original assignee: Shenzhen Huole Science and Technology Development Co Ltd
Current assignee: Shenzhen Huole Science and Technology Development Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-08-31
Anticipated expiration: 2031-01-13

Abstract

The utility model provides a projection curtain, projection curtain subassembly and projection equipment, the projection curtain includes flexible screen and leading magnetic part, and leading magnetic part sets up on flexible screen to follow the flexible screen bending, the projection curtain is used for hugging closely on support piece's supporting surface, leading magnetic part is used for being connected with support piece magnetism. Through establishing leading magnetic part on flexible screen, leading magnetic part can follow flexible screen bending to can be connected with support piece magnetism, thereby make the projection curtain can be crooked when the transport occupy in order to reduce the space, convenient transport, can be connected with support piece stability during the use, do not influence the projection effect, the mode that magnetism is connected also can make things convenient for the installation, the maintenance and the change of projection curtain.

Description

Projection screen, projection screen assembly and projection equipment

Technical Field

The utility model belongs to the technical field of the projection, especially, relate to a projection curtain, projection curtain subassembly and projection equipment.

Background

With the maturity of projection technology, projection curtain coverings are deeply favored by consumers who seek high brightness and large pictures.

Projection screens currently on the market have three main structures: the electric screen is seriously warped and is not suitable for an ultra-short-focus projection screen; the ground pull screen has a complex structure and high cost; the picture frame screen is low in cost and simple in structure. At present, the picture frame screen on the market is mainly suitable for the flexible screen that the substrate is PVC and PU, and when the substrate is harder screens such as PET, PETG, PP, PC, PMMA, just need bond or sew up flexible material (PVC, PU, PA) at the border of screen, then fix flexible material on the picture frame, so on the one hand the technology degree of difficulty is big, the yield is also not high. In the market, the optical film is attached to a rigid supporting material before leaving the factory to be made into a hard screen for shipment, so that the yield can be improved, but the optical film is extremely difficult to enter a house and the transportation cost is high; taking 100 inches optical projection screen as an example, the size of the screen reaches 2260 x 1270 x 40mm, the size of a packing box reaches 2400 x 1450 x 80mm, and the size of an open door of a common residential elevator reaches 2100 x 900mm, and the hard screen is too large in size, so that the home entry becomes difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projection curtain, projection curtain subassembly and projection equipment can be crooked in order to make things convenient for the transport, does not influence the normal projection display effect of curtain simultaneously yet, easy to assemble.

For realizing the purpose of the utility model, the utility model provides a following technical scheme:

in a first aspect, the utility model provides a projection curtain, including flexible screen and main magnetism spare, main magnetism spare sets up on the flexible screen, and follow the flexible screen is crooked, the projection curtain is used for hugging closely on support piece's supporting surface, main magnetism spare be used for with support piece magnetism is connected.

Optionally, the flexible screen includes a first surface and a second surface opposite to each other, the main magnetic member is disposed on the first surface and/or the second surface, the first surface is opposite to the support member, and the second surface is used for projection.

Optionally, the number of the main magnetic members is multiple, and the multiple main magnetic members are arranged at intervals and uniformly distributed on the flexible screen.

Optionally, the main magnetic member is formed by plating through a plating process, and the thickness of the main magnetic member is not greater than 0.5 mm.

Optionally, the whole thickness of the projection screen does not exceed 2 mm.

Optionally, the projection screen further comprises a protection member, and the protection member is arranged on a side surface of the main magnetic member, which faces away from the flexible screen.

In a second aspect, the present invention provides a projection screen assembly, including support piece and any one of the various embodiments of the first aspect the projection screen, support piece includes the support surface, the main magnetic part of projection screen with support piece magnetism is connected, the projection screen is hugged closely on the support surface.

Optionally, the projection screen assembly further includes an auxiliary magnetic conduction member, the auxiliary magnetic conduction member is disposed on the supporting surface, and the main magnetic conduction member is magnetically connected with the auxiliary magnetic conduction member.

Optionally, before the main magnetic part is connected with the auxiliary magnetic part, at least one of the main magnetic part and the auxiliary magnetic part is magnetized.

Optionally, an exhaust passage communicated with the supporting surface is further formed in the supporting member.

In a third aspect, the present invention provides a projection apparatus, including the host and any one of the various embodiments of the first aspect, or the projection screen assembly including any one of the various embodiments of the host and the second aspect, wherein the host is configured to project a picture onto the projection screen.

The projection curtain that this application embodiment provided, through establish main magnetism spare on flexible screen, main magnetism spare can follow flexible screen bending to can be connected with support piece magnetism, thereby make the projection curtain can be crooked when the transport occupy in order to reduce the space, convenient transport, can be connected with support piece stability during the use, do not influence the projection effect, the mode that magnetism is connected also can make things convenient for the installation, the maintenance and the change of projection curtain.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a projection screen assembly according to an exemplary embodiment;

fig. 2 is a schematic plan structure view of a projection screen according to an embodiment.

Description of reference numerals:

10-flexible screen, 11-first surface, 12-second surface;

20-support, 21-support surface, 22-connecting surface, 23-exhaust channel;

31-a first main magnetic part, 32-a first protection part, 33-a second main magnetic part, 34-a second protection part, 35-a secondary magnetic conduction part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a projection screen, including a flexible screen 10 and a main magnetic member, the main magnetic member is disposed on the flexible screen 10 and bends along with the flexible screen 10, the projection screen is configured to be closely attached to a supporting surface 21 of a supporting member 20, and the main magnetic member is configured to be magnetically connected to the supporting member 20.

In this embodiment, the flexible screen 10 can be made of PVC, PU, PA, PET, PETG, PP, PC, PMMA, etc., and can be any feasible flexible screen, and the flexible screen 10 can be bent during transportation and home-entry transportation, so that the occupied space size can be reduced, and the operation is convenient. Optionally, the main magnetic part is formed by plating through a film coating process, namely, the main magnetic part and the flexible screen 10 are integrated into a whole, the process is simple, and the overall uniformity of the projection screen is good.

The main magnetic part can be made of iron, cobalt, nickel and alloy materials thereof, and can also be made of other materials with magnetic conduction function. The main magnetic member can be excited to magnetize, and can generate magnetic force with the support member 20 to realize magnetic connection. In order to reduce the influence on the bending of the flexible screen 10, the main magnetic member may be a relatively thin layer, for example, the thickness of the flexible screen 10 is not more than 1.5mm, and the thickness of the main magnetic member is not more than 0.5mm, so that the overall thickness of the projection screen is not more than 2mm, and the relatively thin thickness facilitates the bending, thereby facilitating the carrying in the home.

The projection screen can be bent to form a scroll when being carried, and can be unfolded and tightly attached to the supporting surface 21 of the supporting member 20 to perform projection when being used. It will be appreciated that the support surface 21 may be planar or may be curved.

It is understood that the supporting member 20 is made of a material capable of forming a magnetic connection with the main magnetic member, which may be the supporting member 20 itself made of a magnetic material, or other structures having a magnetic function may be added on the supporting member 20, which will be further described in the following embodiments. The support member 20 may be an iron plate, an iron frame, a magnetic conductive cloth, a magnetic conductive wall surface, or the like. Because the main magnetic part and the supporting part 20 are magnetically connected and are detachably connected, the installation, maintenance and replacement of the projection screen are facilitated.

Therefore, the projection curtain that this application embodiment provided through establish main magnetic part on flexible screen 10, main magnetic part can follow flexible screen 10 crooked to can be connected with support piece 20 magnetism, thereby make the projection curtain can be crooked when the transport occupy in order to reduce the space, convenient transport, can be connected with support piece 20 stability during the use, do not influence the projection effect, the mode that magnetism is connected also can make things convenient for the installation, the maintenance and the change of projection curtain.

In one embodiment, referring to fig. 1, the flexible screen 10 includes a first surface 11 and a second surface 12 opposite to each other, the primary magnetic member is disposed on the first surface 11 and/or the second surface 12, the first surface 11 is opposite to the support member 20, and the second surface 12 is used for projection.

In this embodiment, the first surface 11 and the second surface 12 are both planar. In other embodiments, the second surface 12 is a plane, which facilitates the projection, the first surface 11 may be a non-planar surface such as an arc surface, and the first surface 11 may have an uneven structure, so as to be conveniently matched with the corresponding uneven structure on the supporting member 20, and thus the connection between the projection screen and the supporting member 20 is more stable.

The main magnetic part can comprise a first main magnetic part 31 and a second main magnetic part 33, when the first main magnetic part 31 is arranged on the first surface 11, the first main magnetic part 31 is directly connected with the support 20, and can be magnetically connected with the support 20; when the second main magnetic member 33 is disposed on the second surface 12, the flexible screen 10 is spaced between the second main magnetic member 33 and the supporting member 20, and the flexible screen 10 is thinner and made of a non-magnetic-isolating material, so that the second main magnetic member 33 can also be magnetically connected with the supporting member 20. When the first main magnetic member 31 is disposed on the first surface 11 and the second main magnetic member 33 is disposed on the second surface 12, the magnetic connection strength between the projection screen and the support member 20 is strongest, so that the projection screen can be firmly fixed on the support member 20.

In one embodiment, referring to fig. 1 and fig. 2, the number of the main magnetic members is multiple, and the multiple main magnetic members are arranged at intervals and uniformly distributed on the flexible screen 10.

In the embodiment, the plurality of main magnetic members are uniformly arranged on the flexible screen 10, so that the area of the main magnetic members on the flexible screen 10 can be reduced, and the cost of the main magnetic members is saved.

In another embodiment, a main magnetic member with an area equal to that of the flexible screen 10 may be disposed on the flexible screen 10, so that the main magnetic member may be conveniently manufactured, and the process is simple.

In one embodiment, referring to fig. 1, the projection screen further includes a protection member disposed on a surface of the main magnetic member facing away from the flexible screen 10.

Specifically, the protecting members may include a first protecting member 32 and a second protecting member 34, when the first main magnetic member 31 is disposed on the first surface 11, the first protecting member 32 is disposed on a surface of the first main magnetic member 31 facing away from the flexible screen 10; when the second main magnetic member 33 is arranged on the second surface 12, the second protecting member 34 is arranged on the surface of the second main magnetic member 33 opposite to the flexible screen 10; when the first main magnetic member 31 is provided on the first surface 11 and the second main magnetic member 33 is provided on the second surface 12, the first protector 32 may be provided on a surface of the first main magnetic member 31 facing away from the flexible screen 10, and the second protector 34 may be provided on a surface of the second main magnetic member 33 facing away from the flexible screen 10.

The protection member may be made of an inert metal, such as zinc or nickel, and plays a role in protecting the primary magnetic member, and particularly, when the primary magnetic member is made of iron or an alloy thereof, the protection member plays an important role in protecting the primary magnetic member from losing its magnetic permeability due to oxidation and other factors.

Referring to fig. 1, the projection screen assembly further includes a supporting member 20 and the projection screen in the foregoing embodiments, the supporting member 20 includes a supporting surface 21, and the main magnetic member of the projection screen is magnetically connected to the supporting member 20, so that the projection screen is tightly attached to the supporting surface 21.

In the present embodiment, the supporting member 20 and the projection screen form a complete product, and the foregoing embodiment mainly describes the structure of the projection screen as a complete product. In this embodiment, the supporting member 20 is a movable structure, that is, the supporting member 20 may be an iron plate, an iron frame, a magnetic conductive cloth, or the like. The support 20 itself may be of a collapsible construction to facilitate transport and installation. The support member 20 may be sized larger than the projection screen and the support member 20 may also wrap around the edges of the projection screen without undue limitation as to the configuration of the support member 20.

The projection curtain subassembly that this application embodiment provided, through establish main magnetic part on flexible screen 10, main magnetic part can follow flexible screen 10 crooked to can be connected with support piece 20 magnetism, thereby make the projection curtain can be crooked when the transport occupy in order to reduce the space, convenient transport, can be connected with support piece 20 stability during the use, do not influence the projection effect, the mode that magnetism is connected also can make things convenient for the installation, the maintenance and the change of projection curtain.

In one embodiment, referring to fig. 1, the projection screen assembly further includes a secondary magnetic conducting member 35, the secondary magnetic conducting member 35 is disposed on the supporting surface 21, and the primary magnetic conducting member is magnetically connected to the secondary magnetic conducting member 35. In this embodiment, the auxiliary magnetic conductive member 35 may be the same as the main magnetic member, and the specific structure, material, and manufacturing process thereof may refer to the main magnetic member described above, and will not be described again. This embodiment is through setting up vice magnetic conduction piece 35 and leading magnetic conduction piece magnetism and being connected for support piece 20 can be for not leading magnetic material, has expanded application scope. Support member 20 further includes a connecting surface 22 opposite support surface 21, and in some embodiments, connecting surface 22 can be mounted to a fixed structure such as a wall; in some embodiments, the connecting surface 22 may also be provided with a magnetic structure to be mounted and fixed with a structure having a magnetic function, such as an iron plate or an iron frame; in other embodiments, the connecting surface 22 is not connected to any other structure, for example, the supporting member 20 is a bracket structure, one side of the bracket structure is provided with the projection screen, and the other side of the bracket structure is not required to be fixedly installed.

In one embodiment, at least one of the primary magnetic member and the secondary magnetic member 35 is magnetized before the primary magnetic member is coupled to the secondary magnetic member 35. Before the projection screen and the support member 20 leave the factory, at least one of the main magnetic member and the auxiliary magnetic member 35 may be magnetized by magnetic excitation, so as to generate magnetism, so as to facilitate subsequent magnetic connection of the main magnetic member and the auxiliary magnetic member 35, so as to mount the projection screen on the support member 20. If the main magnetic part and the auxiliary magnetic part 35 are not magnetized before leaving the factory, at least one of the main magnetic part and the auxiliary magnetic part 35 may be excited by using a magnetic structure such as a magnet before the projection screen is subsequently mounted on the support 20, so that the main magnetic part and the auxiliary magnetic part 35 are converted from being not magnetized to being magnetized, and the function of magnetically connecting the main magnetic part and the auxiliary magnetic part can be satisfied.

In one embodiment, referring to fig. 1, the supporting member 20 further has an exhaust channel 23 formed therein and communicating with the supporting surface 21. The exhaust channel 23 may be specifically an exhaust hole, an exhaust groove, or the like, and is used to exhaust air between the projection screen and the magnetic property of the support surface 21, so that the projection screen is more attached to the support surface 21, and the display effect of projection is improved. In embodiments where the support surface 21 is provided with a secondary magnetic member 35, the exhaust passage 23 may also extend through the secondary magnetic member 35.

The embodiment of the present application further provides a projection device, which includes a host and the projection screen in the foregoing embodiment, or includes a host and the projection screen assembly in the foregoing embodiment, where the host is configured to project a picture onto the projection screen.

The projection equipment of this application embodiment through establish main magnetic part on flexible screen 10, main magnetic part can follow flexible screen 10 crooked to can be connected with support piece 20 magnetism, thereby make the projection curtain can be crooked when the transport occupy in order to reduce the space, convenient transport, can be connected with support piece 20 stability during the use, do not influence the projection effect, the mode that magnetism is connected also can make things convenient for the installation, the maintenance and the change of projection curtain.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The projection screen is characterized by comprising a flexible screen and a main magnetic part, wherein the main magnetic part is arranged on the flexible screen and bends along with the flexible screen, the projection screen is used for being clung to the supporting surface of a supporting part, and the main magnetic part is used for being magnetically connected with the supporting part.

2. The projection screen of claim 1, wherein the flexible screen comprises first and second opposing surfaces, the primary magnetic member being disposed on the first surface and/or the second surface, the first surface being opposite the support member, the second surface being for projection.

3. The projection screen of claim 1, wherein the main magnetic member is a plurality of magnetic members, and the plurality of magnetic members are spaced apart and uniformly distributed on the flexible screen.

4. The projection screen of claim 1, wherein the primary magnetic member is formed by plating through a plating process, and the thickness of the primary magnetic member is not greater than 0.5 mm.

5. The projection screen of claim 1 wherein the overall thickness of the projection screen is no more than 2 mm.

6. The projection screen of any one of claims 1 to 5, further comprising a protective member disposed on a side surface of the main magnetic member facing away from the flexible screen.

7. Projection screen assembly, characterized in that it comprises a support element and a projection screen according to any of claims 1 to 6, the support element comprising a support surface, the main magnetic element of the projection screen being magnetically connected to the support element, the projection screen resting against the support surface.

8. The projection screen assembly of claim 7, further comprising a secondary magnetically permeable member disposed on the support surface, the primary magnetically permeable member magnetically coupled to the secondary magnetically permeable member.

9. The projection screen assembly of claim 8, wherein at least one of the primary magnetic member and the secondary magnetic member is magnetized prior to the primary magnetic member being coupled to the secondary magnetic member.

10. The projection screen assembly of claim 7, wherein the support member further defines an exhaust channel therein in communication with the support surface.

11. A projection device comprising a host computer and a projection screen according to any one of claims 1 to 6, or comprising a host computer and a projection screen assembly according to any one of claims 7 to 10, wherein the host computer is configured to project a picture onto the projection screen.