CN215647137U

CN215647137U - Liquid crystal display television backboard maintenance tool

Info

Publication number: CN215647137U
Application number: CN202122221402.2U
Authority: CN
Inventors: 杨彬彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-25
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a structural schematic diagram of a liquid crystal television backboard overhauling tool, which comprises a circuit board, a radiating plate and a protecting plate, wherein the upper surface of the circuit board is provided with a plurality of light-emitting units and supporting strips, and is also provided with a gear shifting knob and a circuit socket; the heat dissipation plate is arranged on the lower surface of the circuit board; the protection plate is arranged on the upper surface of the circuit board and is fixedly connected with the circuit board through a support bar. The television backboard fault locating tool is simple in structure and reasonable in design, technicians can quickly find out the fault of the television backboard through the tool, maintenance time is greatly shortened, and working efficiency is improved.

Description

Liquid crystal display television backboard maintenance tool

Technical Field

The utility model belongs to a household appliance overhauling tool, and particularly relates to an overhauling tool for a backboard of a liquid crystal display television.

Background

After the liquid crystal display television backboard breaks down, the backboard needs to be overhauled, the traditional overhauling mode is often complex, the operation is complex, and the technical personnel can not find out the fault in time.

According to the technical problems in the prior art, the utility model provides a liquid crystal television backboard maintenance tool.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides a liquid crystal television backboard overhauling tool.

A liquid crystal TV backboard maintenance tool comprises

The circuit board is provided with a plurality of light-emitting units and supporting bars on the upper surface, and is also provided with a gear shifting knob and a circuit socket, wherein the light-emitting units are electrically connected with the gear shifting knob, and the gear shifting knob is electrically connected with the circuit socket; the circuit socket is used for being electrically connected with a television backboard circuit, and when the maintenance is needed, only the backboard circuit is connected with the circuit socket through a connecting wire; and the gear shifting knob adjusts the number of the light-emitting units connected into the detection circuit.

The heat dissipation plate is arranged on the lower surface of the circuit board and used for dissipating heat of the circuit board during working and preventing the circuit board from overheating.

And the protection plate is arranged on the upper surface of the circuit board and is fixedly connected with the circuit board through a support bar. The upper surface of the protection plate can be used for marking specification information of the detection circuit, gear information of the gear shifting knob and other information which are helpful for a technician to understand.

Preferably, the light emitting units are arranged on the upper surface of the circuit board in a multi-stage array, and each stage of light emitting units comprises at least 1 light emitting body.

Preferably, the lower surface of the heat dissipation plate is provided with a plurality of heat dissipation fins.

Preferably, the protection plate is provided with a light through hole corresponding to the luminous body, and the protection plate is provided with a notch for installing the gear shifting knob and the circuit socket.

The utility model has the following positive effects:

the television backboard fault locating tool is simple in structure and reasonable in design, technicians can quickly find out the fault of the television backboard through the tool, maintenance time is greatly shortened, and working efficiency is improved.

Drawings

In order that the present disclosure may be more readily understood, the present disclosure is further described in connection with the following detailed description of the specific embodiments taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic structural diagram of a back panel maintenance tool for a liquid crystal display television according to the present invention;

fig. 2 is an exploded view of a back panel maintenance tool for a liquid crystal television according to the present invention.

Reference numerals:

1. a circuit board; 101. a light emitting unit; 1011. a light emitter; 102. a supporting strip; 103. a gear shifting knob; 104. a circuit socket; 2. a heat dissipation plate; 201. heat dissipation fins; 3. a protection plate; 301. a light through hole; 302. and (4) a notch.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "back-up", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Fig. 1-2 are schematic structural views of a liquid crystal television backboard overhaul tool, which comprises a circuit board 1, a heat dissipation plate 2 and a protection plate 3, wherein the upper surface of the circuit board is provided with a plurality of light-emitting units 101 and support bars 102, and is also provided with a gear shifting knob 103 and a circuit socket 104, the light-emitting units 101 are electrically connected with the gear shifting knob 103, and the gear shifting knob 103 is electrically connected with the circuit socket 104; the circuit socket 104 is used for being electrically connected with a television backboard circuit, and when the maintenance is needed, the backboard circuit is connected with the circuit socket 104 through a connecting wire; the shift knob 103 adjusts the number of light emitting units connected to the detection circuit.

Wherein the heat dissipation plate 2 is arranged on the lower surface of the circuit board 1; the heat dissipation plate is used for dissipating heat of the circuit board during working and preventing the circuit board from overheating, and the heat dissipation plate 2 and the circuit board 1 can be bonded by using an adhesive with better heat conduction performance.

Wherein the shield plate 3 is disposed on the upper surface of the circuit board 1. And is fixedly connected with the circuit board 1 through a support bar 102. The upper surface of the protection plate 3 can be used for marking specification information of the detection circuit, gear information of the gear shifting knob and other information which are helpful for a technician to understand.

Further, the light emitting units 101 are arranged on the upper surface of the circuit board 1 in a multi-stage array, and each stage of light emitting unit 101 includes at least 1 light emitter 1011.

Further, a plurality of heat dissipation fins 201 are disposed on the lower surface of the heat dissipation plate 2.

Furthermore, the protection plate 3 is provided with a light through hole 301 corresponding to the light-emitting body 1011, and the protection plate 3 is provided with a notch 302 for installing the gear shifting knob 103 and the circuit socket 104.

The working principle is as follows: a technician connects a liquid crystal television backboard to be overhauled with the circuit socket of the utility model by using a connecting wire, then adjusts the gear of the gear shifting knob to a gear suitable for the liquid crystal television backboard to be overhauled, then energizes the liquid crystal battery backboard, and then observes whether the light-emitting unit emits light to determine the fault of the liquid crystal battery backboard.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions, all of which are within the scope of the claims appended hereto.

Claims

1. The utility model provides a liquid crystal TV backplate examines and repair instrument which characterized in that: comprises that

The circuit board (1) is provided with a plurality of light-emitting units (101) and supporting bars (102) on the upper surface, and is also provided with a gear shifting knob (103) and a circuit socket (104), wherein the light-emitting units (101) are electrically connected with the gear shifting knob (103), and the gear shifting knob (103) is electrically connected with the circuit socket (104);

a heat dissipation plate (2) disposed on the lower surface of the circuit board (1);

and the protection plate (3) is arranged on the upper surface of the circuit board (1) and is fixedly connected with the circuit board (1) through a support bar (102).

2. The LCD TV backboard maintenance tool of claim 1, wherein: the light emitting units (101) are arranged on the upper surface of the circuit board (1) in a multi-stage array, and each stage of light emitting units (101) comprises at least 1 light emitting body (1011).

3. The LCD TV backboard maintenance tool of claim 1, wherein: the lower surface of the heat dissipation plate (2) is provided with a plurality of heat dissipation fins (201).

4. The LCD TV backboard maintenance tool of claim 1, wherein: the light-transmitting hole (301) corresponding to the light-emitting body (1011) is formed in the protection plate (3), and a notch (302) for installing the gear shifting knob (103) and the circuit socket (104) is formed in the protection plate (3).