Structure for reducing power consumption of backlight module

Abstract

The utility model relates to the field of keyboard manufacturing, in particular to a structure for reducing power consumption of a backlight module, which comprises a base frame, an RF (radio frequency) is sleeved in the base frame, an LGP (light guide plate) is mounted at the upper end of the RF, and a BM (backlight module) is mounted at the upper end of the LGP; two FPCs are welded to the lower end face of the base frame, and the rear ends of the FPCs are electrically connected with external wires. The backlight module has the advantages that the single FPC is divided into two parts, the two parts are welded and attached to the back face of the backlight module through the FFC, the appearance structure of the FPC is changed, lightening current is reduced, power consumption is reduced, heating is improved, and meanwhile heat dissipation can be improved while the bottom is heightened by arranging the supporting bottom frame when the backlight module is used.

Description

TECHNICAL FIELD

[0001] The utility model relates to the keyboard manufacturing field, concretely to a structure of reducing backlight module power consumption. BACKGROUND

[0002] Keyboard is a kind of instruction and data input device for operating computer equipment to run, also refers to the group of function keys (such as typewriter, computer keyboard) arranged by system to operate a machine or equipment, in the composition of computer keyboard, backlight module is usually used to improve the use experience of keyboard.

[0003] Current backlight module is usually provided with light source by a narrow strip FPC, needs larger current to make backlight module brightness reach standard, so that power consumption is larger in actual use, temperature is too high, therefore, the utility model provides a structure of reducing backlight module power consumption to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a structure of reducing backlight module power consumption to solve the problems in the above background technology.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a structure of reducing backlight module power consumption, including base frame, the base frame is sleeved with RF, the LGP is installed on the upper end of RF, and the BM is installed on the upper end of LGP;Two FPCs are welded on the lower end surface of base frame, and the external connecting wire is electrically connected to the rear end of FPC.

[0006] Preferably, the lower end surface of base frame is fixedly provided with ventilation grooves in symmetry, the upper end of ventilation groove is fixedly connected with damping shaft, the damping shaft is rotatably sleeved with supporting base frame, the lower end of supporting base frame is rotatably connected with sliding base frame, and the rear end of sliding base frame is fixedly connected with sliding clamping frame on both sides of end surface.

[0007] Preferably, the both sides of base frame are provided with sliding grooves, and the sliding clamping frame is sleeved in the sliding groove.

[0008] Preferably, the lower end surface of sliding base frame is fixedly connected with rubber pad.

[0009] Preferably, the external connecting wire is sleeved on the front end of base frame.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model changes the appearance structure of FPC by dividing single FPC into two parts, welding with line (FFC) and attaching to the back of backlight module, reduces lighting current, thereby reducing power consumption and improving heating, and simultaneously, by setting supporting base frame, the bottom can be raised and heat dissipation can be improved simultaneously when being used.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic diagram of the utility model;

[0013] Fig. 2 It is the structure schematic diagram of the utility model part;

[0014] Fig. 3 It is the structure schematic diagram of the utility model part;

[0015] Fig. 4 It is the structure schematic diagram of the utility model part.

[0016] In the drawing: 1BM, 2LGP, 3RF, 4 base frame, 5 external connection line, 6FPC, 7 sliding base frame, 8 support base frame, 9 damping rotating shaft, 10 sliding groove, 11 ventilation groove, 12 rubber pad, 13 sliding clamping frame. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme of the utility model to be clear, complete description, and the advantage is more clear and clear, the following combining with the drawing to the utility model embodiment further detailed description.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only to explain the embodiment of the utility model, and not for limiting the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor, belong to the scope of the protection of the utility model.

[0018] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as limiting the utility model.In addition, the terms "a", "first", "second", "third", "fourth", "fifth", "sixth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection, or it can be integrally connected; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that these embodiments can not be limited to these specific details in practice for ordinary skilled persons in the art. In some examples, well-known methods and structures are not described in detail to avoid unnecessarily making these embodiments difficult to understand. In addition, all embodiments can be used in combination with each other.

[0021] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a structure for reducing the power consumption of backlight module, including base frame 4, base frame 4 is equipped with RF 3, the upper end of RF 3 is installed with LGP 2, and the upper end of LGP 2 is installed with BM 1;The lower end surface of base frame 4 is welded with two FPC 6, and the rear end of FPC 6 is electrically connected with external wire 5, which is sleeved on the front end of base frame 4. By setting two FPC 6, the current is connected to realize shunt, reduce the load of current in single FPC 6, reduce the heat generation, reduce the energy consumption.

[0022] The lower end surface of base frame 4 is fixedly provided with symmetrical ventilation grooves 11, the upper end of ventilation groove 11 is fixedly connected with damping rotating shaft 9, damping rotating shaft 9 is rotatably sleeved with supporting base 8, supporting base 8 is rotatably connected with sliding base 7 at the lower end, sliding base 7 is fixedly connected with sliding clamping frame 13 at the rear end of both sides, and sliding groove 10 is formed in the both sides in base frame 4, sliding clamping frame 13 is sleeved in sliding groove 10, rubber pad 12 is fixedly connected with sliding base 7 at the lower end surface, when rubber pad 12 is pressed on the desktop, it has greater friction, in use, the keyboard is dragged back, sliding base 7 is fixed due to the friction of rubber pad 12, base frame 4 moves back, supporting base 8 rotates to support base frame 4, plays a supporting role, at this time, due to the support of base frame 4, sliding base 7 does not understand, ventilation groove 11 can play a ventilation role.

[0023] In actual use, two FPCs 6 are arranged to realize current shunting, reduce the load of current in a single FPC 6, reduce heat generation, and reduce energy consumption; when the rubber pad 12 is pressed on the desktop, it has a large friction force, and when the keyboard is dragged backward during use, the sliding chassis 7 is fixed due to the friction of the rubber pad 12, the base frame 4 moves backward, the supporting chassis 8 rotates to support the base frame 4, and plays a supporting role; at this time, due to the support of the base frame 4, the sliding chassis 7 is not moved, and the ventilation slot 11 can play a ventilation role.

[0024] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A structure for reducing the power consumption of a backlight module, characterized in that: The application relates to a base frame (4) which is sleeved with an RF (3) in the base frame (4), the upper end of the RF (3) is provided with an LGP (2), and the upper end of the LGP (2) is provided with a BM (1). Two FPCs (6) are welded to the lower end surface of the base frame (4), and the rear end of the FPC (6) is electrically connected with an external wire (5). Symmetrical ventilation grooves (11) are fixedly arranged on the lower end surface of the base frame (4), a damping rotating shaft (9) is fixedly connected to the upper end in the ventilation groove (11), a supporting base frame (8) is sleeved outside the damping rotating shaft (9) and rotates, a sliding base frame (7) is connected to the lower end of the supporting base frame (8), and sliding clamping frames (13) are fixedly connected to the rear end two side end surfaces of the sliding base frame (7). 2.The structure for reducing power consumption of a backlight module according to claim 1, wherein: Two sliding grooves (10) are arranged on the two sides in the base frame (4), and the sliding clamping frames (13) are sleeved in the sliding grooves (10). 3.The structure for reducing power consumption of a backlight module according to claim 2, wherein: Rubber pads (12) are fixedly connected to the lower end surface of the sliding base frame (7).

4. The structure for reducing power consumption of a backlight module according to claim 2, wherein: The external wire (5) is sleeved at the front end of the base frame (4).

5. The structure for reducing power consumption of a backlight module according to claim 1, wherein: ​

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