Projection device capable of being used for decoration

Abstract

The utility model discloses a projection device capable of being used for decoration. The projection device comprises a shell, and a light source, a collecting lens, a projection sheet, an imaging lens and a curved reflector which are sequentially arranged on the shell from back to front, a motor and a circuit board are also arranged on the shell; the light source and the motor are connected with the circuit board; the screen sheet is made of high-temperature-resistant glass, and an imaging coating is arranged on the end face of the screen sheet in a matched mode. The motor can be used for driving the projection sheet to rotate so as to switch projection patterns; light of the light source is condensed by the condensing lens and then irradiated to the projection sheet, a projection pattern is irradiated to the imaging lens for pattern amplification, and finally the amplified pattern is reflected by the curved reflector and then is emitted out of the shell. According to the utility model, the screen sheet made of high-temperature-resistant glass is arranged, so that the screen sheet can resist very high temperature, the screen sheet is not easily influenced even if the light source emits light with very high temperature, and the use effect is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to projection device technical field, concretely relates to a projection device for decoration. BACKGROUND

[0002] The projection device is a kind of special lamp, and the projection device can enlarge and clearly project image to wall or other object by light source and lens system, create unique visual effect, therefore, this makes it can be widely used in family decoration, holiday celebration and exhibition and so on.

[0003] For the projection device, the application publication number CN114578645A discloses a film atmosphere lamp, which specifically discloses a housing, a projection port communicated with the receiving cavity, a lens assembly installed in the housing and exposed to the projection port, a film disc received in the receiving cavity and located below the lens assembly, the film disc includes a non-projection area and a projection area arranged around the non-projection area, a driving assembly driving the film disc to rotate, and a light source assembly located below the projection area, the light of the light source assembly passes through the projection area and the lens assembly in sequence to form a continuous flowing projection effect. The film disc includes a lower disc, an upper disc and a film located between the upper disc and the lower disc, the film includes an annular imaging area and a non-imaging area surrounded by the imaging area.

[0004] However, in the prior art, some films are made of plastic, and due to the high temperature of the light during projection, the light source may cause the film to soften, such as warping or wrinkling, and may also cause the projection layer to fail, ultimately affecting the projection effect. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a projection device for decoration, which is made of high-temperature-resistant glass, can resist very high temperature, and the light source will not easily affect the projection film even if it emits very high temperature light, thereby ensuring the use effect.

[0006] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] The utility model relates to a projection device for decoration, which comprises a shell, a light source, a condenser, a projection sheet, an imaging lens and a curved mirror arranged in sequence from back to front on the shell, a motor and a circuit board arranged on the shell, the light source and the motor being connected to the circuit board respectively, the projection sheet being made of high-temperature-resistant glass and having an imaging coating matched arranged on an end surface thereof, the motor being used to drive the projection sheet to rotate so as to switch the projection pattern, the light of the light source being irradiated on the projection sheet after being condensed by the condenser and then irradiated on the imaging lens to enlarge the pattern, and the enlarged pattern being irradiated out of the shell after being reflected by the curved mirror. The projection sheet made of high-temperature-resistant glass is arranged, so that the normal use effect of the projection sheet can be ensured.

[0008] The utility model further comprises the following technical solutions:

[0009] Further, the utility model further comprises a power supply and an expansion interface arranged on the shell and connected to the circuit board respectively, so that the projection device can be conveniently connected to the power supply.

[0010] Further, the utility model further comprises a charging interface arranged on the shell and connected to the circuit board, so that the power supply can be conveniently charged.

[0011] Further, the condenser comprises two condensers arranged in sequence from front to back, and the condenser is a convex lens.

[0012] Further, the imaging lens is ellipsoidal and comprises at least two imaging lenses.

[0013] Further, the concave surface of the curved mirror faces the imaging lens and is arranged obliquely, the convex surface of the curved mirror faces away from the imaging lens, and a light-proof coating is coated on the convex surface. The above arrangement can facilitate the reflection of the projection pattern.

[0014] Further, the start and stop of the motor can be controlled by a remote controller or a button arranged on the shell and connected to the circuit board. The above arrangement can facilitate the control of the motor.

[0015] Further, a positioning base is arranged on the bottom of the shell, so that the projection device can be conveniently positioned and installed.

[0016] Further, a projection channel for the projection pattern to pass through is arranged on the shell, so that the pattern can be conveniently irradiated out.

[0017] The utility model has the following beneficial effects:

[0018] (1) The utility model discloses a projection film is made of high-temperature -resistant glass, so that it can resist very high temperature, so that the light source even if irradiates the light of very high temperature is not easy to cause the influence to the projection film, namely the projection film will not appear warping or wrinkling etc.

[0019] (2) The utility model discloses a projection pattern is reflected by the curved mirror, so that the light path can be shortened when projecting, so that it can project a large enough pattern without too far distance.

[0020] (3) The utility model discloses a motor is arranged, so that the projection pattern can be switched conveniently and quickly and the switching speed is fast and accurate. DRAWINGS

[0021] Fig. 1 It is the whole structure schematic diagram of the utility model discloses;

[0022] Fig. 2 It is the projection principle diagram of the utility model discloses;

[0023] Fig. 3 It is the structure schematic diagram of the projection film of the utility model discloses.

[0024] Reference signs:

[0025] 1, light source;2, condenser;3, projection film;4, imaging lens;5, curved mirror;6, motor;7, circuit board;8, power supply;9, expansion external interface;10, charging interface;11, light -proof coating;12, positioning base;13, projection channel;14, shell. SPECIFIC EMBODIMENTS

[0026] The specific embodiments according to the present disclosure will be specifically described below in combination with various drawings.

[0027] As Figs. 1-3 Indicated, a kind of projection device for decoration, including shell 14 and by rear-to-front sequentially set on shell 14 light source 1, condenser 2, projection film 3, imaging lens 4 and curved mirror 5;Motor 6 and circuit board 7 are also set on shell 14;Light source 1 and motor 6 are connected circuit board 7 respectively;Projection film 3 is made of high-temperature -resistant glass, and there is matchingly set on the end face of projection film 3 imaging coating (not marked in drawing);Motor 6 can be used to drive projection film 3 rotation, to switch projection pattern;The light of light source 1 is irradiated to projection film 3 after the light collection of condenser 2 and projection pattern is irradiated to imaging lens 4 to pattern amplification, finally enlarged pattern is shot out shell 14 after the reflection of curved mirror 5.

[0028] In conclusion, the utility model discloses the projection film 3 is made of high-temperature resistant glass, so that it can resist very high temperature, so that the light source 1 even emits high-temperature light, and the projection film 3 is not easy to be affected, that is, the projection film 3 will not appear warping or wrinkling and other problems, thereby guaranteeing the use effect. In addition, since the curved mirror 5 is used to reflect the projection pattern, the optical path can be shortened during projection, so that a large enough pattern can be projected without too far distance. At the same time, the motor 6 is arranged, so that the projection pattern can be switched conveniently and quickly and the switching speed is fast and accurate.

[0029] The utility model also includes the power supply 8 and the expansion external interface 9 on the shell 14 and respectively connecting circuit board 7. Therefore, the power supply 8 can conveniently provide power supply for the whole projection device, and the projection device is conveniently moved to a position at will, and the expansion external interface 9 is mainly used for electrically connecting with other electrical appliances or tools, for example, an interface matched with the expansion external interface 9 can be designed in advance in the manufacturing process of the air conditioner and other electrical appliances, then when the projection device is placed on the air conditioner and other electrical appliances for use, the two interfaces can be directly connected, so that the projection device is powered on, and then the projection device can be normally used.

[0030] The utility model also includes the charging interface 10 on the shell 14 and connecting circuit board 7, so that the power supply 8 can be conveniently charged.

[0031] In the embodiment, the condenser 2 includes two condensers arranged in front and back and the condenser 2 is a convex lens. However, those skilled in the art should know that the number of condensers 2 can be set according to actual needs, which will not be described here.

[0032] In the embodiment, the imaging lens 4 is ellipsoidal and includes at least two. Preferably, the imaging lens 4 is four, but those skilled in the art should know that the number of imaging lenses 4 can also be set according to actual needs.

[0033] The concave surface of the curved mirror 5 faces the imaging lens 4 and is arranged obliquely, and the convex surface of the curved mirror 5 faces away from the imaging lens 4, so that the projection pattern can be reflected well. In addition, the convex surface is coated with a light-proof coating 11, so that the projection pattern is not blurred after the light is refracted after being emitted from the curved mirror 5.

[0034] Preferably, the control mode of the motor 6 can be controlled by a remote controller (not shown in the figure) or by the buttons (not shown in the figure) arranged on the shell 14 and connected to the circuit board 7, so that the motor 6 is very convenient to use due to the different control modes. Specifically, the user can directly control from a distance by using the remote controller, or directly control by pressing the buttons on the projection device. In addition, the rotation mode of the output shaft of the motor 6 is only rotated by a certain angle each time, so as to ensure that the projection sheet 3 is only switched from the first pattern to the second pattern each time, and the situation of directly jumping from the first pattern to the third pattern does not occur.

[0035] Preferably, a positioning base 12 is arranged at the bottom of the shell 14, so that the projection device can be conveniently installed and positioned. Specifically, the projection device can be installed on the wall or directly placed on the ground or the top of an electrical appliance by using the positioning base 12, that is, the positioning base 12 can conveniently install and position the projection device. In addition, if the projection device is installed on the wall or the top of an electrical appliance instead of being placed on the ground, the light during projection of the pattern can be avoided from being blocked by people or animals passing by, that is, the projection effect can be avoided.

[0036] Preferably, a projection channel 13 for the projection pattern to pass through is arranged on the shell 14, so that the projection pattern can be conveniently emitted.

[0037] The projection device can be directly placed on the ground or installed on the wall, or placed on the top of an air conditioner or the like during use. Then, after the light source 1 is turned on, the light is sequentially emitted upward after passing through the condenser lens 2, the projection sheet 3, the imaging lens 4 and the curved reflector 5 to correspond to the projection pattern, so as to form an atmosphere decoration effect by using the projection pattern. When it is desired to replace the pattern, the output shaft of the motor 6 can be driven to rotate by a certain distance by using the remote controller or the buttons, so as to complete the replacement of the pattern.

[0038] The scope of the present application is not limited by the above-described embodiments, but is defined by the appended claims and their equivalents.

Claims

1. A projection device for decoration, characterized in that: it comprises a housing, a light source, a condenser, a projection sheet, an imaging lens and a curved reflector arranged in the housing from back to front, a motor and a circuit board arranged in the housing, the light source and the motor being connected to the circuit board respectively; the projection sheet is made of high-temperature-resistant glass, and an imaging coating is matched arranged on the end face of the projection sheet; the motor can be used to drive the projection sheet to rotate so as to switch the projection pattern; the light of the light source is irradiated on the projection sheet after being condensed by the condenser and the projection pattern is irradiated to the imaging lens for pattern amplification, and finally the amplified pattern is reflected by the curved reflector and shot out of the housing.

2. The projection device for decoration according to claim 1, characterized in that: it further comprises a power supply and an expansion interface connected to the circuit board.

3. The projection device for decoration according to claim 2, characterized in that: it further comprises a charging interface connected to the circuit board.

4. The projection device for decoration according to claim 1, characterized in that: the condenser comprises two condensers arranged in front of and behind each other, and the condenser is a convex lens.

5. The projection device for decoration according to claim 1, characterized in that: the imaging lens is ellipsoidal and comprises at least two.

6. The projection device for decoration according to claim 1, characterized in that: the concave arc surface of the curved reflector faces the imaging lens and is arranged obliquely, the convex arc surface of the curved reflector faces away from the imaging lens, and a light-proof coating is further coated on the convex arc surface.

7. The projection device for decoration according to claim 1, characterized in that: the start and stop of the motor can be controlled by a remote controller or a button arranged on the housing and connected to the circuit board. a positioning base is further arranged at the bottom of the housing. a projection channel for the projection pattern to pass through is arranged on the housing. ​ ​ ​ ​ ​ 8. The projection device for decorative use according to claim 1, characterized in that: ​ 9. The projection device for decorative use according to claim 1, characterized in that: ​

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