CN218240647U

CN218240647U - LCD temperature control module

Info

Publication number: CN218240647U
Application number: CN202222178480.3U
Authority: CN
Inventors: 谢涛; 林伟; 全定安
Original assignee: Shenzhen Yiku Technology Co ltd
Current assignee: Shenzhen Yiku Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-06
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a LCD temperature control module, including air cooling subassembly and internal circulation fan, the air circulation flow that the internal circulation fan guided light in the light machine forms the air circulation return circuit through air cooling subassembly and LCD, the air cooling subassembly is used for refrigerating the air that flows to LCD to realize LCD heat dissipation; the utility model discloses simple structure, reasonable in design, the volume is less, and make full use of ray apparatus inner space realizes LCD temperature control effect through circulation refrigeration heat dissipation.

Description

LCD temperature control module

Technical Field

The utility model relates to a LCD projector technical field especially relates to a LCD control by temperature change module.

Background

LCD projectors are high-tech products from the development of liquid crystal technology, lighting technology, and integrated circuits. Because the LCD adsorbs dust in the air and can lead to the luminance to attenuate fast, shorten product life, the projector generally adopts closed ray apparatus design. However, the LCD sealed light engine cannot achieve high brightness due to LCD temperature limitation, and therefore, how to solve the problem of heat dissipation of the LCD of the sealed light engine is an urgent problem to be solved by practitioners.

Disclosure of Invention

An object of the utility model is to provide a LCD control by temperature change module to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme:

the LCD temperature control module comprises an air cooling assembly and an internal circulation fan, wherein the internal circulation fan guides air in an optical machine to circularly flow through the air cooling assembly and an LCD to form an air circulation loop, and the air cooling assembly is used for cooling air flowing to the LCD so as to realize heat dissipation of the LCD.

Further, the air cooling assembly comprises an air radiator and a TEC, the air radiator is connected with a heat absorption surface of the TEC, and the internal circulation fan guides air in the fan to pass through the air radiator for cooling.

Furthermore, the air radiator is arranged between the internal circulation fan and the LCD, the internal circulation fan comprises an air suction opening and an air blowing opening, the air suction opening is aligned with the inner space of the optical machine, and the air blowing opening is aligned with the air radiator to form an air circulation loop.

Further, the air refrigeration assembly further comprises a TEC radiator and a cooling fan, the TEC radiator is connected with the heating surface of the TEC, and the cooling fan is used for taking away heat of the TEC radiator.

Further, the TEC radiator and the cooling fan are disposed outside the optical machine.

Furthermore, the outer side of the TEC is provided with a heat insulation ring to prevent the cold and hot surfaces of the TEC from heat exchange.

The beneficial effects of the utility model reside in that: the utility model discloses simple structure, reasonable in design, the volume is less, and make full use of ray apparatus inner space realizes LCD temperature control effect through circulation refrigeration heat dissipation.

Drawings

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

Fig. 1 is a schematic view of a combination state of the LCD temperature control module and the optical machine according to the present invention.

Fig. 2 is a schematic diagram of the decomposition state of the LCD temperature control module and the optical machine according to the present invention.

Fig. 3 is a schematic view of the decomposition structure of the middle LCD temperature control module of the present invention.

It is to be noted that the drawings are not necessarily drawn to scale but are merely shown in a schematic manner which does not detract from the understanding of the reader.

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 efforts all belong to the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As shown in fig. 1 to 3, the embodiment provides an LCD temperature control module for dissipating heat of an LCD4 of an optical machine 3, generally, the optical machine 3 is designed in a closed type, and the LCD4 is disposed in a closed cavity of the optical machine 3.

The LCD temperature control module of this embodiment, including air cooling subassembly 1 and internal circulation fan 2, the air cycle that internal circulation fan 2 guide in the ray apparatus 3 flows through air cooling subassembly 1 and LCD4 formation air cycle return circuit, and air cooling subassembly 1 is used for refrigerating the air to LCD4 to realize the LCD4 heat dissipation.

Specifically, due to the sealing design of the optical machine 3, when the LCD temperature control module works, the internal circulation fan 2 drives the air inside the optical machine 3 to sequentially circulate through the air refrigeration assembly 1 and the LCD4 to form an air circulation loop; the air in the optical machine 3 is driven by the internal circulation fan 2 to flow to the air refrigerating assembly 1 for refrigeration, and then the cold air flows through the LCD4 and absorbs heat generated by the LCD4, so that the heat dissipation of the LCD4 is realized; the temperature of the cold air is increased again after absorbing the heat of the LCD4, the high-temperature air is driven by the inner circulation fan 2 to flow to the air refrigeration component 1 for refrigeration, and the refrigeration and heat dissipation process is repeated in a circulating mode, so that the temperature of the LCD4 is controlled. The utility model discloses simple structure, reasonable in design, the volume is less, and make full use of ray apparatus inner space realizes LCD temperature control effect through circulation refrigeration heat dissipation.

Further, the air cooling assembly 1 comprises an air radiator 11 and a TEC12, the air radiator 11 is connected with a heat absorbing surface of the TEC12, and the internal circulation fan 2 guides air in the optical machine 3 to pass through the air radiator 11 for cooling.

Specifically, the internal circulation fan 2 drives the air in the optical machine 3 to flow through the air radiator 11, the air radiator 11 contacts with the air and absorbs the heat of the air to cool the air, the air is cooled, the heat absorption surface of the TEC12 absorbs and takes away the heat of the air radiator 11, and therefore the refrigeration and heat dissipation cycle is continued.

Further, the air radiator 11 is disposed between the internal circulation fan 2 and the LCD4, the internal circulation fan 2 includes an air suction opening 21 and an air blowing opening 22, the air suction opening 21 is aligned with the internal space of the optical machine 3, and the air blowing opening 22 is aligned with the air radiator 11 to form an air circulation loop.

Specifically, the air suction opening 21 sucks air in the optical engine 3 and blows the air to the air radiator 11 through the air blowing opening 22 for refrigeration, cold air then flows to the LCD4 and absorbs heat of the LCD4 to realize heat dissipation, and due to the closed design of the optical engine 3 and the air suction effect of the internal circulation fan 2, the air continuously flows back to the air suction opening 21 to form an air circulation loop, so that circulation refrigeration heat dissipation is realized.

Further, the air cooling assembly 1 further comprises a TEC heat sink 13 and a heat dissipation fan 14, the TEC heat sink 13 is connected to the heat emitting surface of the TEC12, and the heat dissipation fan 14 is configured to take away heat of the TEC heat sink 13.

Specifically, the heat emitting surface of the TEC12 transfers heat to the TEC heat sink 13, and finally the heat of the TEC heat sink 13 is taken away by blowing and dissipating heat through the heat dissipating fan 14, so as to realize temperature control of the TEC12 and ensure heat absorption performance of the TEC 12.

Further, the TEC heat sink 13 and the cooling fan 14 are disposed outside the optical device 3. Avoid increasing the inside heating of ray apparatus 3, also be convenient for reduce ray apparatus 3 volume.

Further, a heat insulation ring 15 is disposed outside the TEC12 to prevent heat from being spread between the cold and hot surfaces of the TEC 12. The heat of the heat emitting surface of the TEC12 is prevented from being transferred to the heat absorbing surface through the air around the TEC12, and the heat radiation performance of the TEC12 is prevented from being influenced.

For the embodiments of the present invention, it should be further explained that, under the condition of no conflict, the features in the embodiments and embodiments of the present invention can be combined with each other to obtain a new embodiment.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and the scope of the present invention should be defined by the appended claims. Although the present invention has been described in terms of the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, and that various modifications, equivalent variations and modifications may be made by those skilled in the art without departing from the scope of the invention.

Claims

1. The utility model provides a LCD temperature control module which characterized in that: the LCD cooling device comprises an air cooling assembly and an internal circulation fan, wherein the internal circulation fan guides air in a light machine to circularly flow through the air cooling assembly and the LCD to form an air circulation loop, and the air cooling assembly is used for cooling air flowing to the LCD so as to realize heat dissipation of the LCD.

2. The LCD temperature control module of claim 1, wherein: the air cooling component comprises an air radiator and a TEC, the air radiator is connected with a heat absorption surface of the TEC, and the internal circulation fan guides air in the fan to pass through the air radiator for cooling.

3. The LCD temperature control module of claim 2, wherein: the air radiator is arranged between the internal circulation fan and the LCD, the internal circulation fan comprises an air suction opening and an air blowing opening, the air suction opening is aligned with the inner space of the optical machine, and the air blowing opening is aligned with the air radiator to form an air circulation loop.

4. The LCD temperature control module of claim 2, wherein: the air refrigeration assembly further comprises a TEC radiator and a cooling fan, the TEC radiator is connected with the heating surface of the TEC, and the cooling fan is used for taking away heat of the TEC radiator.

5. The LCD temperature control module of claim 4, wherein: the TEC radiator and the cooling fan are arranged on the outer side of the optical machine.

6. The LCD temperature control module according to any one of claims 2 to 5, wherein: and a heat insulation ring is arranged on the outer side of the TEC to prevent the cold and hot surfaces of the TEC from heat exchange.