Projection lamp and projection umbrella

Abstract

The utility model relates to a projection lamp and a projection umbrella, and belongs to the technical field of projection devices. The projection lamp comprises at least two projection sheets on which patterns are drawn, the patterns of one projection sheet can be projected, and the patterns of all the projection sheets can also be projected in turn, so that animations formed by a plurality of images alternately are formed on an irradiated object, and the interestingness is increased. Meanwhile, an internal battery pack is adopted for supplying power, and portability is good. In addition, the projection lamp can be arranged on the umbrella handle in a combined mode to form a projection umbrella, in the umbrella holding process, the projection lamp can be turned on, animation images can be projected, the interestingness of using the umbrella can be improved, and the projection umbrella can also be used as a flashlight for illumination at night. The projection lamp and the projection umbrella are simple in structure, low in cost and strong in interestingness.

Description

Technical Field

[0001] The utility model relates to the technical field of projection devices, particularly to the technical field of portable projection lamps, and specifically refers to a projection lamp and a projection umbrella. Background Art

[0002] In the current market, the main form of a portable small projection lamp is to add a slide between the lens and the light source inside a flashlight structure, so that the pattern on the slide can be projected onto the illuminated object. The disadvantage of this small projection lamp is that the projected image is single and lacks interest.

[0003] In the prior art, there is also a device that connects to an external power supply, adds a device to drive the slide to rotate, and can use a light source with higher brightness to project a rotating projection image. Such a projection device is often used for projecting store signs on the ground in front of a store. It has a dynamic effect of image rotation, which is eye-catching and plays a role in attracting customers. However, the disadvantages of such a device are that the image content does not change, still lacking interest, and at the same time, it needs to be connected to an external power supply, sacrificing portability.

[0004] Therefore, how to provide a projection lamp that can project changing images and has good portability has become an urgent problem to be solved in this field. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the above-mentioned disadvantages in the prior art and provide a projection lamp and a projection umbrella that can project changing images and have good portability.

[0006] In order to achieve the above purpose, the projection lamp of the utility model has the following constitution:

[0007] The projection lamp includes a housing, a battery pack, a light source, and a lens arranged inside the housing, and a switch arranged on the housing. The switch circuit is connected between the battery pack and the light source.

[0008] The projection lamp further includes at least two slides with patterns drawn on them. Each of the slides is located between the light source and the lens. The light emitted by the light source passes through one of the slides and the lens, projects the pattern on the slide, and forms an image on the illuminated object; or the light emitted by the light source alternately passes through each of the slides and the lens, projects the patterns on each of the slides in sequence, and forms an animation composed of multiple alternating images on the illuminated object.

[0009] The projection lamp further includes a switching mechanism arranged between the light source and the lens. The switching mechanism is circuit-connected to the battery pack. The switching mechanism moves itself or drives the slide to move so that the light emitted by the light source passes through only one of the slides at any moment.

[0010] The projection lamp includes a plurality of the lenses, and the number of the lenses is the same as the number of the slides.

[0011] The projection lamp includes a plurality of the light sources, and the number of the light sources is the same as the number of the slides. Each of the slides is disposed in front of the light source corresponding to the slide.

[0012] In the projection lamp, a battery compartment and a front compartment are included in the housing. The battery pack is disposed in the battery compartment. The slides and the light sources are disposed in the front compartment. The lenses are disposed at the front end of the front compartment.

[0013] In the projection lamp, the switch is a multi - gear switch, and the multi - gear switch includes at least a gear for projecting one of the slides, a gear for alternately projecting each of the slides, and a shut - off gear.

[0014] In the projection lamp, the lens is a convex lens, and the focal length range of the convex lens is from 1 meter to 2 meters.

[0015] The present utility model further provides a projection umbrella, which includes an umbrella handle, an umbrella cover disposed at the top end of the umbrella handle, and a grip disposed at the bottom end of the umbrella handle. The above - mentioned projection lamp is disposed on the grip.

[0016] In the projection umbrella, the projection lamp is detachably fixed to the grip.

[0017] In the projection umbrella, the projection direction of the projection lamp is opposite to the direction where the umbrella cover is located.

[0018] The projection lamp of the present utility model includes at least two slides with patterns drawn thereon. It can project the pattern of one slide or alternately project the patterns of each slide, so as to form an animation composed of multiple alternating images on the illuminated object, increasing the interest. At the same time, it is powered by an internal battery pack, with good portability. It can also be combined and disposed on the umbrella handle to form a projection umbrella. During the process of holding the umbrella, the projection lamp can also be turned on to project animated images, which can not only increase the interest of using the umbrella but also be used as a flashlight for illumination at night. The projection lamp and the projection umbrella of the present utility model have simple structures, low costs, and strong interest. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structural assembly of the projection lamp of the present utility model.

[0020] Reference Signs:

[0021] Housing 1, Battery Compartment 11, Front Compartment 12, Battery Pack 2, Light Source 3, Lens 4, Switch 5, Slide 6, Switching Mechanism 7. Detailed Embodiments

[0022] In order to more clearly understand the technical content of the present utility model, the following embodiments are specifically illustrated in detail.

[0023] Please refer to Figure 1 as shown, which is a schematic structural assembly diagram of the projection lamp of the present utility model.

[0024] In one embodiment, the projection lamp includes a housing 1, a battery pack 2, a light source 3, a lens 4 disposed in the housing, and a switch 5 disposed on the housing 1. The switch 5 is electrically connected between the battery pack 2 and the light source 3.

[0025] The projection lamp further includes at least two projection films 6 with patterns drawn thereon. Each of the projection films 6 is located between the light source 3 and the lens 3. The housing 1 can be divided into a battery compartment 11 and a front compartment 12. The battery pack 2 is disposed in the battery compartment 11. The projection films 6 and each of the light sources 3 are disposed in the front compartment 12. The lens 4 is disposed at the front end of the front compartment 12. The light emitted by the light source 3 passes through one of the projection films 6 and the lens 4, and projects the pattern on the projection film 6, and forms an image on the illuminated object; or the light emitted by the light source 3 alternately passes through each of the projection films 6 and the lens 4, and projects the patterns on each of the projection films 6 in sequence, and forms an animation composed of multiple alternating images on the illuminated object. Correspondingly, the switch 5 can be a multi-position switch, and the multi-position switch at least includes a projection film projection position for projecting one of the projection films, an animation projection position for alternately projecting each of the projection films, and a shutdown position.

[0026] In an alternative embodiment, the projection lamp further includes a switching mechanism 7 disposed between the light source 3 and the lens 4. The switching mechanism 7 is electrically connected to the battery pack 2. The switching mechanism 7 moves itself or drives the projection film 6 to move so that the light emitted by the light source at any moment only passes through one of the projection films 6.

[0027] In another alternative embodiment, the projection lamp includes a plurality of the lenses 4, and the number of the light sources 3 is the same as the number of the projection films 6. It may further include a plurality of the light sources 3, and the number of the light sources 3 is the same as the number of the projection films 6. Each of the projection films 6 is disposed in front of the light source 3 corresponding to the projection film 6.

[0028] In a more preferred embodiment, the lens 4 is a convex lens, and the focal length range of the convex lens is from 1 meter to 2 meters, preferably 1.5 meters.

[0029] The present utility model further provides a projection umbrella (not shown in the figure). In one embodiment, the projection umbrella includes an umbrella handle, an umbrella cover disposed at the top end of the umbrella handle, and a grip disposed at the bottom end of the umbrella handle. The above-mentioned projection lamp is disposed on the grip. The projection lamp can be detachably fixed to the grip and can also be removed for independent use as a projection lamp. When assembled on the grip, the projection direction of the projection lamp is opposite to the direction where the umbrella cover is located.

[0030] The following are specific examples of the practical applications of multiple embodiments of the present utility model for illustration:

[0031] Projection Lamp Embodiment 1

[0032] The projection lamp includes a housing, and the shape of the housing is a cylindrical shape similar to a flashlight. The housing is divided into a front chamber and a rear chamber. The rear chamber is a battery chamber, which is internally provided with a battery pack composed of multiple dry batteries connected together, and three No. 7 batteries can be used. A light source is disposed in the front chamber, a convex lens is disposed at the front end of the front chamber, and two transparent projection films with patterns drawn thereon are disposed between the light source and the convex lens.

[0033] A switch is disposed on the outer side of the housing. The switch is a multi - gear switch, and the multi - gear switch at least includes a gear for projecting one of the above - mentioned projection films, an animation gear for alternately projecting each of the projection films, and a shutdown gear. The switch is connected between the battery pack and the light source through corresponding gear circuits.

[0034] A switching mechanism is further disposed in the housing. The switching mechanism is electrically connected to the battery pack and the switch. The switching mechanism can move to block one projection film, so that the light emitted by the light source only passes through one of the projection films.

[0035] When the switch is in the gear for projecting one projection film, the light source emits light, passes through one projection film not blocked by the switching mechanism, and passes through the lens, projecting the image of this projection film onto the object to be illuminated; when the switch is in the animation gear for alternately projecting each projection film, the switching mechanism moves back and forth to switch the blocked projection film, so that the images on the two projection films are alternately projected onto the object. The switching frequency is controlled between 2 and 6 times per second, and a dynamic projection effect can be seen. The projection distance is determined by the focal length of the convex lens, generally between 1 and 2 meters, and about 1.5 meters can be selected. The width of the image is also about 1.5 meters, and a better animation effect can be achieved.

[0036] Undoubtedly, in this embodiment, 3 - 5 or more projection films can be provided. Correspondingly, in the animation gear, the switching structure is used to block multiple projection films to ensure that the light emitted by the light source only passes through one of the projection films. When more projection films are used, more picture contents can be obtained, enriching the animation effect.

[0037] Projection Lamp Embodiment 2

[0038] The difference from the previous embodiment is that in the projection lamp of Embodiment 2, the switching mechanism drives the movement of the projection film. Two or more projection films are connected front and back, so that only one projection film is located between the light source and the convex lens at any moment. Specifically, a light-shielding cover can be arranged on the periphery of the area where the light passes between the light source and the convex lens. Slots are opened on both sides of the light-shielding cover. The projection film can pass through the slots on both sides under the drive of the switching mechanism. At the same time, ensuring that the width of the light-passing area between the two slots is equivalent to the width of one projection film can ensure that only one projection film is located between the light source and the convex lens at the same time. Driving multiple projection films to move back and forth by the switching mechanism can produce corresponding animation effects. If the switching mechanism does not move, then project one projection film located between the slots on both sides of the light-shielding cover.

[0039] Projection Lamp Embodiment 3

[0040] Different from the above two embodiments, in Embodiment 3, the projection lamp includes a plurality of the above-mentioned lenses and light sources, and the number of lenses and light sources is the same as the number of projection films it includes. That is, two projection films have two lenses and two light sources, and so on. Each projection film is arranged between the light source and the lens corresponding to the projection film, forming multiple projection groups with different pattern projection films. There are light-shielding sheets between the projection groups. And this embodiment does not need to adopt a switching mechanism.

[0041] When the switch is in the gear for projecting one projection film, the light source of one projection group emits light, and the light sources of the remaining projection groups do not emit light, then the image of this projection group is projected onto the object to be illuminated; and when the switch is in the animation gear for alternately projecting each projection film, control the light sources of different projection groups to replace and emit light in turn, forming the effect of only projecting one projection film at the same time, and realizing an animation effect similar to that of Embodiments 1 and 2 by setting the replacement time of the light sources.

[0042] Projection Umbrella Embodiment 1

[0043] Taking a common long-handled umbrella as an example, the projection umbrella includes an umbrella handle, an umbrella cover arranged at the top of the umbrella handle, and a grip arranged at the bottom of the umbrella handle. The projection lamp in any of the above embodiments is detachably fixed on the grip. Threaded connection, plug-in snap fixation and other methods can be adopted. When the projection lamp is removed, it can be used alone. When the projection lamp is assembled on the grip, the projection direction of the projection lamp is opposite to the direction where the umbrella cover is located, that is, when holding the umbrella, the projection lamp projects towards the ground and can be used as a flashlight at night.

[0044] Projection Umbrella Embodiment 2

[0045] The difference from Embodiment 1 is that the projection lamp can be directly used as the grip of the umbrella, or the projection lamp housing and the grip are integrally formed in a non-detachable form. Further, it can be used as the grip of a folding umbrella. The grip includes the front chamber and the rear chamber described on the housing, and further includes a tail chamber coaxial with the front chamber and the rear chamber. The folding umbrella opening and closing switches are provided on the tail chamber.

[0046] The projection lamp adopting the utility model includes at least two projection films with patterns drawn thereon. It can project the pattern of one projection film or project the patterns of each projection film in turn, so as to form an animation composed of multiple images alternating on the illuminated object, increasing the interest. At the same time, it is powered by an internal battery pack, with good portability. It can also be combined and arranged on the umbrella handle to form a projection umbrella. During the process of holding an umbrella, the projection lamp can also be turned on to project animated images, which can not only increase the interest of using the umbrella, but also be used as a flashlight for illumination at night. The structures of the projection lamp and the projection umbrella of the utility model are simple, with low cost and strong interest.

[0047] In this specification, the utility model has been described with reference to its specific embodiments. However, it is obvious that various modifications and transformations can still be made without departing from the spirit and scope of the utility model. Therefore, the specification and the drawings should be regarded as illustrative rather than restrictive.

Claims

1. A projection lamp, comprising a housing, a battery pack disposed in the housing, a light source and a lens, and a switch disposed on the housing, wherein the switch circuit is connected between the battery pack and the light source, characterized in that: It also includes at least two projection sheets with patterns drawn on them, each of which is located between the light source and the lens. The light emitted by the light source passes through a slide and a lens, projects the pattern on the slide, and forms an image on the illuminated object; Or the light emitted by the light source passes through each of the slides and the lens in turn, projects the patterns on each of the slides in sequence, and forms an animation consisting of multiple images alternating on the illuminated object.

2. The projection lamp according to claim 1, characterized in that: It also includes a switching mechanism arranged between the light source and the lens. The switching mechanism circuit is connected to the battery pack. The switching mechanism moves itself or drives the slide to move so that the light emitted by the light source at any time only passes through one slide.

3. The projection lamp according to claim 1, characterized in that: It comprises a plurality of the lenses, and the number of the lenses is the same as the number of the projection films.

4. The projection lamp according to claim 1, characterized in that: It comprises a plurality of light sources, the number of the light sources is the same as the number of the slides, and each of the slides is arranged in front of the light source corresponding to the slide.

5. The projection lamp according to claim 4, characterized in that: The shell includes a battery compartment and a front compartment, the battery pack is arranged in the battery compartment, the slide and the light sources are arranged in the front compartment, and the lens is arranged at the front end of the front compartment.

6. The projection lamp according to claim 1, characterized in that: The switch is a multi-position switch, which at least includes the positions of projecting one of the slides, projecting each of the slides in turn, and closing.

7. The projection lamp according to claim 1, characterized in that: The lens is a convex lens, and the focal length of the convex lens ranges from 1 meter to 2 meters.

8. A projection umbrella, comprising an umbrella handle, an umbrella cover arranged at the top end of the umbrella handle, and a grip arranged at the bottom end of the umbrella handle, characterized in that: The handle is provided with the projection lamp according to any one of claims 1 to 7.

9. The projection umbrella according to claim 8, characterized in that: The projection lamp is detachably fixed on the handle.

10. The projection umbrella according to claim 8, characterized in that: The projection direction of the projection lamp is opposite to the direction of the umbrella cover.

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