Projection lamp

Abstract

The utility model provides a projection lamp, relates to the technical field of display application, and solves the technical problems that an LCD (Liquid Crystal Display) in the projection lamp in the prior art can absorb light emitted by an LED (Light Emitting Diode) during working, so that the temperature rise is fast, the LCD also can absorb the ambient temperature, and the temperature of the LCD is easy to exceed the temperature bearing capacity of the LCD when the ambient temperature is slightly higher. The device comprises a light-emitting part used for emitting pattern light; an object distance exists between the lens assembly and the light-emitting part, and pattern light rays emitted by the light-emitting part can penetrate through the lens assembly and can project patterns to a receiving surface.

Description

TECHNICAL FIELD

[0001] The utility model relates to display application technical field, especially a projection lamp. BACKGROUND

[0002] The existing projection lamp is all that light emitted by LED is collected and irradiated to LCD through condensing lens, and the LCD is powered on, and the light passes through the pattern on the LCD and is projected on the receiving surface through the optical module.

[0003] The LCD is mainly composed of a polarizer, glass and liquid crystal, and the LCD liquid crystal screen is limited by materials such as liquid crystal and polarizer, and the temperature range thereof is about -40 DEG C to about +90 DEG C. The LCD applied in the projection lamp absorbs almost all light (including heat effect) emitted by the LED, so that the temperature rises quickly, and when the ambient temperature is slightly high, the temperature of the LCD is easily higher than the temperature bearing capacity of the LCD, so that the LCD cannot work normally and has a short service life. UTILITY MODEL CONTENT

[0004] The utility model discloses a projection lamp, which solves the technical problem that the LCD in the projection lamp absorbs light emitted by the LED when working, thereby causing the temperature to rise quickly, and the LCD also absorbs the ambient temperature, so that when the ambient temperature is slightly high, the temperature of the LCD is easily higher than the temperature bearing capacity of the LCD. The preferred technical solution in the plurality of technical solutions provided by the utility model can produce the technical effects described below.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] The utility model provides a projection lamp, which comprises:

[0007] The light emitting part is used for emitting pattern light;

[0008] The lens assembly is provided between the light emitting part and the light emitting part, and the pattern light emitted by the light emitting part can pass through the lens assembly and project a pattern on the receiving surface.

[0009] Optionally, the light emitting part comprises a lamp bead assembly and a light transmission assembly, the lamp bead assembly and the light transmission assembly are connected, a plurality of light guide structures are arranged on the light transmission assembly, a plurality of lamp beads are arranged on the lamp bead assembly, one light guide structure corresponds to at least one lamp bead, and the light emitted by the lamp bead passes through the corresponding light guide structure and the lens assembly in sequence and is projected on the receiving surface.

[0010] Optionally, the light guide structure is a hole structure or a light transmission structure, and a plurality of light guide structures form a digital pattern or a symbol pattern.

[0011] Optionally, the light emitting member is a nixie tube.

[0012] Optionally, the light emitting member and the lens assembly are both mounted in the shell, and at least one end surface of the shell is made of light-transmitting material.

[0013] Optionally, the light emitting member is mounted in the shell, and the lens assembly is mounted at a port of the shell.

[0014] Optionally, the shell and the control board are both mounted in the box body, and the control board is electrically connected with the light emitting member.

[0015] At least one end surface of the box body is made of light-transmitting material, or the box body is provided with a through hole.

[0016] Optionally, the light emitting member and the lens assembly are respectively located at opposite sides of the shell.

[0017] Optionally, the shell is further provided with a mirror assembly, the mirror assembly is mounted in the shell, and the light emitting member and the lens assembly are respectively located at adjacent sides of the shell.

[0018] The light emitted by the light emitting member passes through the mirror assembly and the lens assembly in sequence and is projected onto the receiving surface.

[0019] Optionally, the lens assembly comprises at least one imaging lens.

[0020] The projection lamp provided by the utility model can project the required digital pattern and symbol pattern on the receiving surface (which can be a wall surface, a ground surface or the like), and the lens assembly is used to replace the LCD, and the heat generated by the light emitting member is not all absorbed by the lens assembly, that is, part of the light energy is converted into heat energy when the light passes through the lens assembly, so that the temperature rising speed of the lens assembly is relatively slow, and even if the ambient temperature is slightly high, the temperature of the lens assembly will not immediately exceed the temperature bearing capacity of the lens assembly, so that the working life of the lens assembly is relatively long, and the technical problem that the LCD in the projection lamp absorbs the light emitted by the LED when working, so that the temperature rises fast, and the LCD also absorbs the ambient temperature, and when the ambient temperature is slightly high, the temperature of the LCD is easy to exceed the temperature bearing capacity of the LCD is solved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0022] Figure 1 is a cross-sectional view of a projection lamp provided by the embodiment of the present application;

[0023] Figure 2 is an exploded view of a projection lamp provided by the embodiment of the present application;

[0024] Figure 3 is another angle of an exploded view of a projection lamp provided by the embodiment of the present application;

[0025] Figure 4 is another type of cross-sectional view of a projection lamp provided by the embodiment of the present application;

[0026] Figure 5 is a front structure schematic view of a light transmission assembly of a projection lamp provided by the embodiment of the present application;

[0027] Figure 6 is a back structure schematic view of a light transmission assembly of a projection lamp provided by the embodiment of the present application;

[0028] Figure 7 is a structure schematic view of a lamp bead assembly of a projection lamp provided by the embodiment of the present application.

[0029] In the figure, 1 is a box body; 11 is a through hole; 12 is an upper cover; 13 is a lower box;

[0030] 2 is a shell; 21 is a left part; 22 is a right part; 23 is a port;

[0031] 3 is a lamp bead assembly; 31 is a lamp bead;

[0032] 4 is a light transmission assembly; 41 is a light guide structure;

[0033] 5 is a lens assembly; 51 is an imaging lens;

[0034] 6 is a reflector assembly;

[0035] 7 is a control board. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0037] In the description of the utility model, it is necessary to point out that, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0038] In the description of the utility model, it is also necessary to point out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] Embodiment one:

[0040] The utility model provides a kind of projection lamp, including light emitting part and lens assembly 5, light emitting part is used to emit pattern light;There is object distance between lens assembly 5 and light emitting part, the pattern light emitted by light emitting part can pass through lens assembly 5 and can project pattern on receiving surface.The utility model provides a kind of projection lamp, the pattern light emitted by light emitting part passes through lens assembly 5 and projects on receiving surface, and then the required digital pattern and symbol pattern can be projected on receiving surface (it can be wall, ground and so on plane), by lens assembly 5 instead of LCD, and the heat generated by light emitting part light emitting, will not all be absorbed by lens assembly 5, i.e. when light passes through lens assembly 5, part of light energy will be converted into heat energy, to make the temperature of lens assembly 5 rise slowly, even if environment temperature is slightly higher, also will not make the temperature of lens assembly 5 immediately exceed its own temperature bearing capacity, to make the working life of lens assembly 5 be relatively long, solve the technical problem of the existing technology in the projection lamp in LCD, which will absorb the light emitted by LED when working, to heat up fast, simultaneously, LCD will also absorb ambient temperature, when environment temperature is slightly higher, the temperature of LCD is easily to exceed the temperature bearing capacity of LCD, to make the working life of lens assembly 5 be relatively long, solve the technical problem of the existing technology in the projection lamp in LCD, which will absorb the light emitted by LED when working, to heat up fast, simultaneously, LCD will also absorb ambient temperature, when environment temperature is slightly higher, the temperature of LCD is easily to exceed the temperature bearing capacity of LCD,

[0041] Example two:

[0042] The utility model provides a kind of projection lamp, including box body 1, shell 2, lamp pearl subassembly 3, light transmission subassembly 4, lens subassembly 5 and control panel 7, shell 2 is installed in box body 1, and the internal space of shell 2 is communicated with the external space of box body 1, i.e. the port 23 on shell 2 is communicated with the through-hole 11 on box body 1, lens subassembly 5 is installed in the port 23 of shell 2, lamp pearl subassembly 3 and light transmission subassembly 4 are connected and light transmission subassembly 4 is located between lamp pearl subassembly 3 and lens subassembly 5, lamp pearl subassembly 3 is connected on the end of shell 2, light transmission subassembly 4 is located on the inboard of lamp pearl subassembly 3 and close to the side of lens subassembly 5, multiple light guide structures 41 are provided on light transmission subassembly 4, multiple lamp pearls 31 are provided on lamp pearl subassembly 3, one light guide structure 41 corresponds at least one lamp pearl 31, control panel 7 is installed in box body 1, control panel 7 is located on the side of shell 2 and close to lamp pearl subassembly 3, control panel 7 is electrically connected with lamp pearl subassembly 3, control panel 7 controls every lamp pearl 31 separately, the light emitted by lamp pearl 31 sequentially passes through corresponding light guide structure 41, lens subassembly 5 and through-hole 11 and projects on receiving surface.The utility model provides a kind of projection lamp, the light emitted by lamp pearl subassembly 3 passes through corresponding light guide structure 41, then light passes through lens subassembly 5 and through-hole 11, so that the digital pattern and symbol pattern required on receiving surface are projected by light;Replace LCD by lens subassembly 5, and the heat generated by light emitting piece, will not be all absorbed by lens subassembly 5, i.e. when light passes through lens subassembly 5, part of light energy will be converted into heat energy, so that the temperature rising speed of lens subassembly 5 is relatively slow, even if environment temperature is slightly higher, the temperature of lens subassembly 5 will not exceed its temperature bearing capacity immediately, so that the working life of lens subassembly 5 is relatively long, solve the technical problem that the LCD in projection lamp in prior art absorbs the light emitted by LED when working, so that temperature rises fast, and LCD also absorbs environment temperature, when environment temperature is slightly higher, the temperature of LCD easily exceeds the temperature bearing capacity of LCD.

[0043] As optional implementation, light guide structure 41 is hole structure or light transmission structure, and multiple light guide structures 41 constitute digital pattern or symbol pattern.Multiple light guide structures 41 constitute digital pattern, which can be similar to digital pattern in timer in prior art, hole structure can be strip structure, circular structure or square structure, etc., light transmission structure can be strip structure, circular structure or square structure formed by light transmission material, and one light guide structure 41 is as one stroke of digital pattern or symbol pattern.

[0044] A light guide structure 41 corresponds to at least one lamp bead 31, the lamp bead 31 adopts the LED lamp bead of 380nm-780nm continuous spectrum to realize illumination, the main color temperature range is 2200K-7000K, the lamp bead 31 can be white light LED lamp bead, or also can be RGB LED lamp bead, or white light LED lamp bead and RGB LED lamp bead are mixed.Lamp bead assembly 3 is provided with connecting hole, and light transmission assembly 4 is provided with connecting column, and connecting column is inserted into connecting hole, so that lamp bead assembly 3 is connected with light transmission assembly 4, and simultaneously lamp bead 31 is also inserted into corresponding light guide structure 41, can avoid light dispersion, influence other positions of light guide structure 41.The light guide structure 41 that needs to be displayed, the control panel 7 will control the light emission of the lamp bead 31 corresponding to the light guide structure 41, and the lamp bead 31 in other light guide structures 41 does not emit light, so as to achieve the display of the required number.

[0045] As an optional implementation, referring to Figure 4 , lamp bead assembly 3 and lens assembly 5 are located at opposite sides of shell 2 respectively, and light transmission assembly 4 is located between lamp bead assembly 3 and lens assembly 5.Lens assembly 5 includes at least one imaging lens 51, the imaging lens 51 is located in the port 23, and the circumferential side wall of the imaging lens 51 is connected with the inner wall of the port 23, and there is a gap between adjacent two imaging lenses 51.The light emitted by lamp bead 31 passes through light guide structure 41 and imaging lens 51, and projects the light to the receiving surface, projecting the required digital pattern and symbol pattern.

[0046] As an optional implementation, the box body 1 includes an upper cover 12 and a lower box 13, the upper cover 12 and the lower box 13 are detachably connected, and the lower box 13 is provided with a through hole 11 and a wiring hole, and the wiring hole is used for the wire to pass through;the shell 2 includes a left part 21 and a right part 22, and the left part 21 and the right part 22 are detachably connected.

[0047] The projection lamp can be widely applied to various instruments, meters and household appliances or other scenes that can be applied to projection, and indicates (displays) the working state, time and the like of various instruments and meters, the patent can be applied to various household appliances, has the function of indicating the working state of the appliance, meets the interactive application environment between the appliance and the user, and improves the user experience.The patent adopts the LED projection lamp optical illumination structure, can effectively project the working state of the appliance to the ground so that the user knows.

[0048] Embodiment three:

[0049] The difference between the embodiment three and the embodiment two is that the utility model provides a projection lamp, further comprising a mirror assembly 6, referring to Figure 1The mirror assembly 6 is installed in the shell 2, the lamp bead assembly 3 and the lens assembly 5 are respectively located on two sides adjacent to the shell 2, the lamp bead assembly 3 and the lens assembly 5 are not in the same horizontal plane, and the mirror assembly 6 is used for changing the direction of the light. The light emitted by the lamp bead 31 passes through the light guide structure 41, is reflected by the mirror assembly 6, penetrates the imaging lens 51, and projects the light onto a receiving surface to project a required digital pattern and a symbol pattern.

[0050] Embodiment four

[0051] The embodiment four is different from the embodiment two in that the internal space of the shell 2 is not communicated with the external space of the box body 1, at least one end surface of the shell 2 is made of a light-transmitting material, at least one end surface of the box body 1 is made of a light-transmitting material, the lens assembly 5 is installed in the shell 2, and the light emitted by the lamp bead 31 passes through the corresponding light guide structure 41, the lens assembly 5, the light-transmitting end surface of the shell 2 and the light-transmitting end surface of the box body 1 and is projected onto a receiving surface.

[0052] Embodiment five

[0053] The utility model provides a kind of projection lamp, including box body 1, shell 2, digital tube and lens assembly 5, wherein, shell 2 is installed in box body 1, and the internal space of shell 2 is communicated with the external space of box body 1, i.e. the port 23 on shell 2 is communicated with the through hole 11 on box body 1, lens assembly 5 is installed in port 23, digital tube is installed in shell 2, and the light emitted by digital tube can pass through lens assembly 5 and through hole 11 and be projected onto receiving surface.The utility model provides a kind of projection lamp, and the light of digital pattern or symbol pattern emitted by digital tube penetrates lens assembly 5 and through hole 11, so that light is projected into required digital pattern and symbol pattern on receiving surface, replaces LCD by lens assembly 5, and the heat generated by light emitting piece light emitting is not all absorbed by lens assembly 5, i.e. part of light energy is converted into heat energy when light passes through lens assembly 5, so that the temperature rising speed of lens assembly 5 is relatively slow, even if environment temperature is slightly higher, the temperature of lens assembly 5 is not immediately exceeded by temperature bearing capacity of itself, to make the working life of lens assembly 5 be relatively long, solve the technical problem that the LCD in the projection lamp in the prior art absorbs the light emitted by LED when working, so as to heat up fast, and the environment temperature is also absorbed by LCD, when environment temperature is slightly higher, the temperature of LCD is easily exceeded by temperature bearing capacity of LCD.

[0054] The lens assembly 5 comprises at least one imaging lens 51, the imaging lens 51 is located in the port 23, and the circumferential side wall of the imaging lens 51 is connected with the inner wall of the port 23, and there is a spacing between two adjacent imaging lenses 51. The light emitted by the nixie tube passes through the imaging lens 51 and projects the light onto the receiving surface, thereby projecting the required digital pattern and symbol pattern.

[0055] As an optional implementation, the box body 1 comprises an upper cover 12 and a lower box 13, the upper cover 12 and the lower box 13 are detachably connected, the lower box 13 is provided with a through hole 11 and a wiring hole, and the wiring hole is used for the wire to pass through; the shell 2 comprises a left part 21 and a right part 22, and the left part 21 and the right part 22 are detachably connected.

[0056] Embodiment six:

[0057] The difference between the embodiment six and the embodiment five is that the utility model provides a projection lamp, further comprising a mirror assembly 6, the mirror assembly 6 is installed in the shell 2, the nixie tube and the lens assembly 5 are located at the two adjacent sides of the shell 2 respectively, and the nixie tube and the lens assembly 5 are not on the same horizontal plane, and the mirror assembly 6 is used to change the direction of light. The light emitted by the nixie tube is reflected by the mirror assembly 6, then penetrates the imaging lens 51, and is projected onto the receiving surface, thereby projecting the required digital pattern and symbol pattern.

[0058] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A projection lamp characterized by comprising: The application relates to a light-emitting device, which comprises: a light-emitting part for emitting pattern light; a lens assembly, which is arranged at a distance from the light-emitting part, and through which the pattern light emitted by the light-emitting part can be projected onto a receiving surface.

2. The projection lamp of claim 1, wherein The light-emitting part comprises a lamp bead assembly and a light-transmitting assembly, the lamp bead assembly and the light-transmitting assembly are connected, the light-transmitting assembly is provided with a plurality of light guide structures, the lamp bead assembly is provided with a plurality of lamp beads, one light guide structure corresponds to at least one lamp bead, the light emitted by the lamp bead passes through the corresponding light guide structure and the lens assembly in sequence and is projected onto the receiving surface.

3. The projection lamp of claim 2, wherein The light guide structure is a hole structure or a light-transmitting structure, and a plurality of light guide structures form a digital pattern or a symbol pattern.

4. The projection lamp of claim 1, wherein The light-emitting part is a digital tube.

5. The projection lamp of claim 1, wherein The light-emitting part and the lens assembly are arranged in a shell, and at least one end surface of the shell is made of light-transmitting material.

6. The projection lamp of claim 1, wherein The light-emitting part is arranged in a shell, and the lens assembly is arranged at a port of the shell.

7. The projection lamp according to claim 5 or 6, characterized in that The shell and a control board are arranged in a box body, and the control board is electrically connected with the light-emitting part. At least one end surface of the box body is made of light-transmitting material, or the box body is provided with a through hole.

8. The projection lamp of claim 5 or 6, wherein The light-emitting part and the lens assembly are respectively arranged on opposite sides of the shell.

9. The projection lamp of claim 5 or 6, wherein The light-emitting part and the lens assembly are respectively arranged on adjacent sides of the shell. The light emitted by the light-emitting part passes through the mirror assembly and the lens assembly in sequence and is projected onto the receiving surface.

10. The projection lamp of claim 1, wherein The lens assembly comprises at least one imaging lens.

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