Stage lamp dimming structure and stage lamp using same

Abstract

The utility model discloses a stage lamp dimming structure and a stage lamp using the same. The stage lamp dimming structure comprises dimming glass, a lamp panel and a case. The dimming glass comprises an atomized state and a clear state, and when the first electrode and the second electrode are powered on, the dimming glass is in the atomized state; when the first electrode and the second electrode are not electrified, the dimming glass is in a clear state; and the dimming glass is converted from a clear state to an atomized state along with the rise of the voltage. According to the stage lamp dimming structure, the light transmittance of the dimming glass is changed by changing the voltage input into the liquid crystal layer; the light beams emitted by the lamp panel are emitted through the dimming glass, so that the stage lamp can emit clear light beams or light beams with a fuzzy diffusion effect. When the dimming glass is not electrified, the dimming glass is in a clear state, and when the high-voltage state is in an atomized state, frequent electrification is not needed to keep the clear state, and the service life of the lamp can be greatly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to stage light technical field especially, relates to a stage light light -adjusting structure and use its stage light. BACKGROUND

[0002] The role of stage light in modern stage performance includes: illuminating performance, making audience see actor performance and scene image; guiding audience sight; shaping character image, setting off emotion and showing stage illusion; creating space environment needed in play; rendering atmosphere in play; showing time, space conversion, highlighting dramatic contradiction and conflict and strengthening stage rhythm, enriching artistic appeal; sometimes also cooperating with stage special skill.

[0003] In order to improve the application of stage light, the traditional control means is through adjusting the brightness of stage light, makes light more soft, thereby realizes the application scene of improving stage light. For this, the prior art will use light -adjusting glass to adjust the light transmission to reach the purpose of adjusting light effect, but the existing light -adjusting glass is high in light transmission rate at low voltage, and low in light transmission rate at high voltage. In the existing stage, the time needed for the stage light fogging effect is short, therefore, needs long time power supply, can make the light transmission rate of light -adjusting glass maintain at a high level, increases the power consumption of stage light. UTILITY MODEL CONTENT

[0004] The utility model discloses a stage light light -adjusting structure and use its stage light to solve the problem that the power consumption of stage light is higher because of long time power supply for maintaining the light transmission rate of stage light.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a stage light light -adjusting structure, including light -adjusting glass, lamp panel and case, the light -adjusting glass includes first transparent substrate, second transparent substrate, frame sealant and liquid crystal layer, first transparent substrate and second transparent substrate are oppositely arranged, and form the accommodating space through frame sealant, and the liquid crystal layer is arranged in the accommodating space, the inside of first transparent substrate is equipped with first electrode, and the inside of second transparent substrate is equipped with second electrode, the light -adjusting glass and lamp panel are arranged in the case respectively, and the light -adjusting glass is arranged at the front end of lamp panel,

[0007] The light -adjusting glass includes fogging state and clear state, when first electrode and second electrode are electrified, the light -adjusting glass is in fogging state, when first electrode and second electrode are not electrified, the light -adjusting glass is in clear state, the light -adjusting glass is converted from clear state to fogging state with the voltage rise.

[0008] The stage lamp dimming structure, wherein the liquid crystal layer comprises TN type liquid crystal molecules, and the TN type liquid crystal molecules are arranged in the accommodating space.

[0009] The stage lamp dimming structure, wherein the lamp panel is an LED lamp or a spotlight.

[0010] The stage lamp dimming structure further comprises a heat dissipation mechanism arranged in the case; a heat dissipation hole is arranged on the rear side of the case.

[0011] The heat dissipation mechanism comprises a heat conduction plate, a heat dissipation fin and a plurality of heat dissipation fans; the heat conduction plate is arranged at the rear end of the lamp panel and is attached to the rear panel of the lamp panel; the heat dissipation fin is arranged on the rear side of the heat conduction plate; and the heat dissipation fans are arranged on the inner wall of the case and are adapted to the positions of the heat dissipation holes.

[0012] The stage lamp dimming structure, wherein the rear side of the case is provided with an electrical chamber, the heat dissipation hole is located at the outer periphery of the electrical chamber, and the control circuit is arranged in the electrical chamber; the control circuit is electrically connected with the dimming glass and the lamp panel respectively.

[0013] The stage lamp dimming structure, wherein the control circuit comprises a micro control unit and a voltage regulating circuit, the output end of the micro control unit is electrically connected with the input end of the voltage regulating circuit, and the output end of the voltage regulating circuit is electrically connected with the first electrode and the second electrode respectively.

[0014] The utility model further provides a stage lamp, the stage lamp uses above -mentioned stage lamp dimming structure.

[0015] The utility model discloses one technical scheme can have following beneficial effects:

[0016] The stage lamp dimming structure changes the voltage of the input liquid crystal layer to change the light transmittance of the dimming glass; since the light beam emitted by the lamp panel is emitted through the dimming glass, the stage lamp can emit clear light beams or blurred light beams with diffusion effect. When not powered, the dimming glass is in a clear state, and when in a high voltage state, it is in a fogging state. Frequent power-on is not required to maintain the clear state, which can greatly prolong the service life of the lamp. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the section view schematic diagram of dimming glass in one embodiment of the utility model;

[0018] Figure 2 It is the position relation diagram of the structure of stage lamp dimming glass, lamp panel, heat dissipation mechanism and electrical chamber in one embodiment of the utility model;

[0019] Figure 3is the structure schematic view of one embodiment of the utility model;

[0020] Figure 4 is the front schematic view of one embodiment of the utility model;

[0021] Figure 5 is Figure 4 the cross section structure schematic view of the section line A-A;

[0022] Figure 6 is Figure 4 the cross section structure schematic view of the section line B-B;

[0023] In the drawing: light control glass 1, lamp plate 2, machine case 3;Heat dissipation mechanism 4;Electrical room 5;

[0024] First transparent substrate 11, second transparent substrate 12, frame sealant 13, liquid crystal layer 14;Heat dissipation hole 30;Thermal conductive plate 41, heat dissipation fin 42, heat dissipation fan 43;Control circuit 51;

[0025] First electrode 111;Second electrode 121. Specific implementation

[0026] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0027] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, 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 limiting the utility model. In addition, the features limited as "first", "second" can explicitly or implicitly include one or more features, used to distinguish the described features, without order, without difference.

[0028] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0029] In the description of the utility model, it is to explain, unless otherwise definite and limited, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0030] Please refer to Figures 1-6 The utility model provides a stage lamp dimming structure, including dimming glass 1, lamp plate 2 and case 3, the dimming glass 1 includes first transparent substrate 11, second transparent substrate 12, frame sealant 13 and liquid crystal layer 14, first transparent substrate 11 and second transparent substrate 12 are oppositely arranged, and the containing space is formed through frame sealant 13, and the liquid crystal layer 14 is arranged in the containing space, the inside of first transparent substrate 11 is equipped with first electrode 111, and the inside of second transparent substrate 12 is equipped with second electrode 121, the dimming glass 1 and lamp plate 2 are arranged in case 3 respectively, and the dimming glass 1 is arranged at the front end of lamp plate 2,

[0031] The dimming glass 1 includes atomizing state and clear state, when first electrode 111 and second electrode 121 are electrified, the dimming glass 1 is in atomizing state, when first electrode 111 and second electrode 121 are not electrified, the dimming glass 1 is in clear state, the dimming glass 1 transforms from clear state to atomizing state with the voltage rise.

[0032] The inside of first transparent substrate 11 is equipped with first electrode 111, and the inside of second transparent substrate 12 is equipped with second electrode 121, and the corresponding output voltage signal is input to first transparent substrate 11 and second transparent substrate 12, so as to generate electric field between first electrode 111 and second electrode 121, control the deflection of liquid crystal molecules, so that the light transmittance of dimming glass 1 changes, thereby realizing the change of the brightness of dimming glass, without the need of manually replacing different atomizing pieces, and the atomizing effect can be changed in time according to the needs.

[0033] The first electrode 111 is located on the side opposite to the second transparent substrate 12 of the first transparent substrate 11, and the second electrode 121 is located on the side opposite to the first transparent substrate 11 of the second transparent substrate 12. The first electrode 111 and the second electrode 121 can be arranged horizontally or vertically, and the arrangement direction is not limited, as long as it has a part of cross-over to form an electric field, which can control the deflection of liquid crystal molecules.

[0034] The stage lamp dimming structure changes the voltage of the input liquid crystal layer 14 to change the light transmittance of the dimming glass 1, so that the stage lamp can emit clear light beams or blurred light beams with diffusion effect. When there is no power supply, the dimming glass 1 is in a clear state, and when the voltage is high, the dimming glass 1 is in a fogging state. Therefore, the power supply is not needed frequently to maintain the clear state, and the service life of the lamp can be greatly prolonged.

[0035] Specifically, the liquid crystal layer 14 comprises TN type liquid crystal molecules arranged in the accommodating space.

[0036] When there is no electric field, the TN type liquid crystal molecules are arranged at a certain angle, usually at 90°, and the light beams emitted by the lamp panel 2 directly pass through the liquid crystal layer 14 and are emitted. At this time, the emitted light is a clear light beam. When an electric field is applied to the liquid crystal layer, the TN type liquid crystal molecules begin to rearrange, at this time, the rotation direction of the light changes, part of the light cannot pass through, and a fogging effect is generated. With the increase of the voltage, the TN type liquid crystal molecules continue to arrange, and the clear state is converted to a completely fogging state. When the electric field is removed, the arrangement mode of the TN type liquid crystal molecules resets, so that the light beams directly pass through the liquid crystal layer 14 and are emitted, thereby making the stage lamp emit clear light beams.

[0037] Specifically, the lamp panel 2 is an LED lamp or a spotlight. In the specific embodiment of the present application, the lamp panel 2 can select an LED lamp or a spotlight according to the actual situation.

[0038] Specifically, the heat dissipation mechanism 4 is arranged in the cabinet 3, and the rear side of the cabinet 3 is provided with a heat dissipation hole 30.

[0039] The heat dissipation mechanism 4 comprises a heat conduction plate 41, a heat dissipation fin 42 and a plurality of heat dissipation fans 43. The heat conduction plate 41 is arranged at the rear end of the lamp panel 2 and is attached to the rear panel of the lamp panel 2. The heat dissipation fin 42 is installed on the rear side of the heat conduction plate 41, and the heat dissipation fans 43 are installed on the inner wall of the cabinet 3, and the positions of the heat dissipation fans 43 are matched with the positions of the heat dissipation holes 30.

[0040] The front end of the cabinet 3 is provided with an opening, and the lamp panel 2 is installed on the cover arranged at the opening. The back of the lamp panel 2 is connected with the heat conduction plate 41, so that the heat of the lamp panel 2 can enter the heat dissipation mechanism 4. The heat dissipation mechanism 4 is installed at the heat dissipation hole 30, and a plurality of heat dissipation fans correspond to the heat dissipation holes one by one. By adopting the above structure, when the heat dissipation mechanism 4 operates, the heat is blown out of the cabinet 3 from the heat dissipation hole 30, so that the heat dissipation mechanism 4 can dissipate the heat generated by the lamp panel 2 from the heat dissipation hole 30.

[0041] Further, the rear side of the cabinet 3 is provided with an electrical chamber 5, the heat dissipation holes 30 are located at the outer periphery of the electrical chamber 5, and the electrical chamber 5 is provided with a control circuit 51; the control circuit 51 is electrically connected with the dimming glass 1 and the lamp plate 2 respectively.

[0042] The electrical chamber 5 inputs corresponding output voltage signals to the dimming glass 1 through the control circuit 51, so as to generate an electric field between the first electrode 111 and the second electrode 121, control the deflection of liquid crystal molecules, and make the light transmittance of the dimming glass 1 change; meanwhile, the control circuit 51 can also provide power supply for the lamp plate 2 and control the brightness of the lamp plate 2, so that the stage lamp can change the atomized light effect according to the light brightness and the light transmittance.

[0043] Further, the control circuit 51 comprises a micro control unit and a voltage regulating circuit, the output end of the micro control unit is electrically connected with the input end of the voltage regulating circuit, and the output end of the voltage regulating circuit is electrically connected with the first electrode 111 and the second electrode 121 respectively.

[0044] In an embodiment of the utility model, the micro control unit is used for receiving a DMX input signal and outputting a corresponding PWM signal according to the DMX input signal, the voltage regulating circuit receives the PWM signal and adjusts the voltage of the output end according to the PWM signal, the arrangement of liquid crystal molecules in the dimming glass 1 is changed, the light transmittance of the dimming glass 1 is adjusted, and the light effect of the stage lamp is adjusted. In this way, one lamp is used for multiple purposes, more light effects are provided for the stage, and the cost is effectively saved.

[0045] The utility model also provides a stage lamp, the stage lamp uses the stage lamp dimming structure.

[0046] The technical principles of the utility model are described in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation herein, the person skilled in the art can think of other specific embodiments of the utility model without creative labor, and these equivalent variants or replacements are all included in the range defined by the claims of the application.

Claims

1. A stage light dimming structure, characterized in that, The device includes a dimming glass, a lamp panel, and a housing; the dimming glass includes a first transparent substrate, a second transparent substrate, a sealing adhesive, and a liquid crystal layer; the first transparent substrate and the second transparent substrate are disposed opposite to each other and form an accommodating space through the sealing adhesive, and the liquid crystal layer is disposed in the accommodating space; A first electrode is provided on the inner side of the first transparent substrate, and a second electrode is provided on the inner side of the second transparent substrate; the dimming glass and the lamp board are respectively disposed in the chassis, and the dimming glass is disposed at the front end of the lamp board; The dimming glass includes a fogged state and a clear state. When the first electrode and the second electrode are energized, the dimming glass is in a fogged state; when the first electrode and the second electrode are not energized, the dimming glass is in a clear state; the dimming glass changes from a clear state to a fogged state as the voltage increases.

2. The stage light dimming structure according to claim 1, characterized in that, The liquid crystal layer includes TN-type liquid crystal molecules, which are disposed in the accommodating space.

3. The stage light dimming structure according to claim 1, characterized in that, The light panel is an LED light or a spotlight.

4. The stage light dimming structure according to claim 1, characterized in that, It also includes a heat dissipation mechanism, which is disposed in the chassis; the rear side of the chassis is provided with heat dissipation holes; The heat dissipation mechanism includes a heat-conducting plate, a heat sink, and multiple cooling fans; the heat-conducting plate is disposed at the rear end of the lamp panel and is attached to the rear panel of the lamp panel; the heat sink is installed on the rear side of the heat-conducting plate, and the cooling fans are installed on the inner wall of the chassis, and the position of the cooling fans is adapted to the position of the heat dissipation holes.

5. The stage light dimming structure according to claim 4, characterized in that, An electrical compartment is located on the rear side of the chassis, and the heat dissipation holes are located on the outer periphery of the electrical compartment. A control circuit is located inside the electrical compartment; the control circuit is electrically connected to the dimming glass and the lamp board respectively.

6. The stage light dimming structure according to claim 5, characterized in that, The control circuit includes a microcontroller unit and a voltage regulation circuit. The output terminal of the microcontroller unit is electrically connected to the input terminal of the voltage regulation circuit, and the output terminal of the voltage regulation circuit is electrically connected to the first electrode and the second electrode, respectively.

7. A stage light, characterized in that, The stage light uses the stage light dimming structure as described in any one of claims 1 to 5.

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