CN213873086U - Machine in PCB display module and air conditioning in air conditioning - Google Patents

Abstract

The utility model discloses a machine in air conditioning indoor set PCB display module and air conditioning, display window can dismantle with the display box and be connected the cavity that constitutes and hold display screen and PCB display circuit board, and the display screen is fixed on PCB display circuit board, is fixed with at least one spacing post in the display box, and the spring housing compresses tightly the display screen on the medial surface of display window on the spacing post that corresponds. The utility model discloses improve the mounting structure of air conditioning indoor unit PCB display module, utilize display box and display window to form the cavity that can hold display screen and PCB display circuit board, and compress tightly the display screen on the display window through the cooperation of spacing post and spring; the utility model discloses a simple structure realizes the fixed of display screen and PCB display circuit board, has reserved sufficient safe distance and wiring space for the circuit in the display box, and it is convenient, reliable and stable to install to the structural constraint is little, is favorable to the design and the production of mould.

Description

Machine in PCB display module and air conditioning in air conditioning

Technical Field

The utility model belongs to the technical field of the air conditioning equipment technique and specifically relates to a machine in PCB display module and air conditioning in air conditioning.

Background

The PCB display assembly is an important component of the air conditioner indoor unit, and a user can observe real-time parameters of air conditioner operation from the PCB display assembly of the air conditioner indoor unit. At present, most PCB display components of the indoor unit of the air conditioner are directly supported and fixed by a pagoda-shaped spring, the contact area between a PCB display circuit board and the pagoda-shaped spring in the mounting structure is large, in order to ensure that a larger safety distance exists between the pagoda-shaped spring and a circuit, the design space of the circuit needs to be reduced, the structure is complex, and the design of a die is severely restricted; and the existing PCB display component has no reliable fixing or limiting structure, and is easy to loosen under the action of external force in the production, transportation and use processes of the air conditioner, so that the normal use of the indoor unit of the air conditioner is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the air conditioner indoor unit PCB display assembly and the air conditioner indoor unit are simple in structure, high in installation stability and large in circuit wiring safety space.

For solving the technical problem the utility model discloses the technical scheme who adopts is: the PCB display component of the indoor unit of the air conditioner comprises a display window, a display screen, a PCB display circuit board and a display box; the display window can be dismantled with the display box and be connected the cavity of constituteing and holding display screen and PCB display circuit board, and the display screen is fixed on PCB display circuit board, is fixed with at least one spacing post in the display box, be equipped with between display window and the PCB display circuit board with spacing post one-to-one's spring, the spring housing compress tightly the display screen on the medial surface of display window on the spacing post that corresponds.

Further, the method comprises the following steps: the number of the limiting columns is four, the four limiting columns are distributed in a rectangular shape and are respectively fixed at four corners in the display box, and each limiting column is sleeved with one spring.

Further, the method comprises the following steps: the PCB display circuit board is provided with positioning holes corresponding to the limiting columns one by one, and the limiting columns are inserted into the corresponding positioning holes.

Further, the method comprises the following steps: the outer diameter of the spring is larger than the aperture of the positioning hole.

Further, the method comprises the following steps: and the circle of the spring contacted with the PCB display circuit board is parallel to the surface of the PCB display circuit board contacted with the spring.

Further, the method comprises the following steps: the display box is characterized in that at least two clips are fixed in the display box, the clips correspond to different edge portions of the PCB display circuit board, and when the PCB display circuit board is installed in the display box, the clips clamp the PCB display circuit board from different directions.

Further, the method comprises the following steps: the display window and the display box are respectively fixed with a connecting plate corresponding to each other in position, the connecting plate is provided with a connecting through hole, and the display window and the display box are fixedly connected through a bolt penetrating through the connecting through hole.

The utility model also discloses an install above-mentioned content machine in air conditioning of machine PCB display module in the air conditioning.

The utility model has the advantages that: the utility model discloses improve the mounting structure of air conditioning indoor unit PCB display module, utilize display box and display window to form the cavity that can hold display screen and PCB display circuit board, and compress tightly the display screen on the display window through the cooperation of spacing post and spring; the utility model discloses a simple structure realizes the fixed of display screen and PCB display circuit board, has reserved sufficient safe distance and wiring space for the circuit in the display box, and it is convenient, reliable and stable to install to the structural constraint is little, is favorable to the design and the production of mould.

Drawings

FIG. 1 is an exploded view of a PCB display assembly of an indoor unit of an air conditioner;

FIG. 2 is a front view of the PCB display assembly of the air conditioning indoor unit without a display window;

FIG. 3 is a side view of a PCB display assembly of the indoor unit of the air conditioner;

FIG. 4 is a schematic view of an indoor unit of an air conditioner;

labeled as: 100-display window, 200-display screen, 300-PCB display circuit board, 310-positioning hole, 400-display box, 410-spacing column, 420-clip, 500-spring and 600-connecting board.

Detailed Description

In order to facilitate understanding of the present invention, the following description is further provided with reference to the accompanying drawings.

As shown in fig. 1 and 2, the PCB display assembly of the indoor unit of an air conditioner of the present invention includes a display window 100, a display screen 200, a PCB display circuit board 300 and a display box 400; the display box 400 is a rectangular square box, the display window 100 and the display box 400 are connected together to form a rectangular box body, and the display screen 200 and the PCB display circuit board 300 are arranged in the cavity of the box body; the display window 100 is made of a transparent material, information displayed on the display screen 200 can be observed through the display window 100, and the display window 100 can simultaneously protect the display screen 200 to prevent the display screen 200 from being damaged due to the influence of external force; the display screen 200 is directly fixed on the PCB display circuit board 300 and is electrically connected with the PCB display circuit board 300 through a flat cable or a pin, the fixing of the PCB display circuit board 300 is realized by the limiting posts 410 and the springs 500, as shown in fig. 1 and fig. 3, at least one limiting post 410 is fixed on the inner wall of the display box 400, the springs 500 with the same number as the limiting posts 410 are adopted, the springs 500 are sleeved on the corresponding limiting posts 410, when the PCB display circuit board 300 is installed, the PCB display circuit board 300 is prevented from being in front of the limiting posts 410, the springs 500 sleeved on the limiting posts 410 are pressed and abutted against the back of the PCB display circuit board 300, the PCB display circuit board 300 can be pressed forward through the elastic force of the compressed springs 500, and the display screen 200 fixed on the PCB display circuit board 300 is abutted against the inner side face of the display window 100; the spring 500 can play a limiting role through the limiting column 410, and the spring 500 is prevented from being bent and deformed after being pressed. The utility model discloses well spring 500 who adopts is cylindrical spring, and cylindrical spring is less with PCB display circuit board 300's area of contact, and occupation space of while itself is little, reserves more spaces for circuit design, the utility model discloses do not adopt other complicated fixed knot to construct, can reserve a large amount of spaces in display box 400 and be used for the circuit wiring to reserve sufficient safe distance for spring 500 and circuit.

The quantity of spacing post 410 can be selected according to the producer demand, the utility model discloses in adopted four spacing posts 410, four spacing posts 410 are the rectangular distribution and fix respectively in display box 400 four corners department, each cover has a spring 500 on every spacing post 410, the best evenly distributed of spacing post 410 so that PCB display circuit board 300 pressurized is even, holistic stability is better. In order to further improve the installation stability of the PCB display circuit board 300 to avoid the loosening of the PCB display circuit board 300, as shown in fig. 1 to 3, the present invention further provides a positioning hole 310 corresponding to the limiting post 410 on the PCB display circuit board 300, the number and position of the positioning holes 310 all correspond to the limiting post 410 one by one, the aperture of the positioning hole 310 is slightly larger than the limiting post 410, and the outer diameter of the spring 500 is larger than the aperture of the positioning hole 310; when the PCB display circuit board 300 is mounted, the limiting posts 410 are opposite to the corresponding positioning holes 310, and the limiting posts 410 are inserted into the corresponding positioning holes 310, so that the springs 500 are compressed and abutted against the back surface of the PCB display circuit board 300; the positioning hole 310 can also play a role in guiding and quickly positioning the limiting column 410, and is beneficial to improving the assembly efficiency of the PCB display component of the indoor unit of the air conditioner. In addition, in order to prevent the tail of the spring 500 from damaging the PCB display board 300, the last turn of the spring 500 should be a straight turn, i.e., the turn of the spring 500 contacting the PCB display board 300 is parallel to the side of the PCB display board 300 contacting the spring 500.

As shown in fig. 1 to fig. 3, the utility model discloses it is peripheral spacing still to have carried out PCB display circuit board 300, is equipped with two at least checkposts 420 at display box 400 internal fixation, and different checkposts 420 are corresponding with PCB display circuit board 300's different limit portions, and checkpost 420 is equipped with the barb on PCB display circuit board 300's the medial surface, and when PCB display circuit board 300 was installed in display box 400, checkpost 420 was with PCB display circuit board 300 chucking from different position. The utility model discloses in adopted four checkposts 420, PCB display circuit board 300's both sides side respectively sets up a checkpost 420, and PCB display circuit board 300's top sets up two checkposts 420.

As shown in fig. 1 and 2, the display window 100 and the display box 400 are connected and fixed by the matching of the connecting plate 600 and the bolt, the connecting plate 600 corresponding to each other is fixed on each of the display window 100 and the display box 400, the connecting plate 600 is provided with a coaxial connecting through hole, when the display window 100 and the display box 400 are installed and connected, the connecting plates 600 on the display window 100 and the display box 400 are aligned, and then the bolt is passed through the connecting through holes on the two connecting plates 600 and is locked by the nut.

As shown in fig. 4, the utility model also discloses an air conditioning indoor unit, install on the air conditioning indoor unit in the above-mentioned content the air conditioning indoor unit PCB display module.

Claims (8)

1. Machine PCB display module in air conditioning, its characterized in that: the display screen comprises a display window (100), a display screen (200), a PCB display circuit board (300) and a display box (400); display window (100) can be dismantled with display box (400) and be connected the constitution and hold the cavity of display screen (200) and PCB display circuit board (300), display screen (200) are fixed on PCB display circuit board (300), display box (400) internal fixation has at least one spacing post (410), be equipped with between display window (100) and PCB display circuit board (300) with spacing post (410) one-to-one spring (500), spring (500) cover is on spacing post (410) that corresponds and compress tightly display screen (200) on the medial surface of display window (100).

2. The PCB display assembly of an indoor unit of an air conditioner of claim 1, wherein: the number of the limiting columns (410) is four, the four limiting columns (410) are distributed in a rectangular shape and are respectively fixed at four inner corners of the display box (400), and each limiting column (410) is sleeved with one spring (500).

3. The PCB display assembly of an indoor unit of an air conditioner of claim 1, wherein: the PCB display circuit board (300) is provided with positioning holes (310) which correspond to the limiting columns (410) one by one, and the limiting columns (410) are inserted into the corresponding positioning holes (310).

4. The PCB display assembly of an indoor unit of an air conditioner of claim 3, wherein: the outer diameter of the spring (500) is larger than the aperture of the positioning hole (310).

5. The PCB display assembly of an indoor unit of an air conditioner of claim 1, wherein: one circle of the spring (500) contacted with the PCB display circuit board (300) is parallel to one surface of the PCB display circuit board (300) contacted with the spring (500).

6. The PCB display assembly of an indoor unit of an air conditioner of claim 1, wherein: still be fixed with two at least checkposts (420) in display box (400), checkpost (420) are corresponding with the different limit portion of PCB display circuit board (300), and when PCB display circuit board (300) was installed in display box (400), checkpost (420) was with PCB display circuit board (300) chucking from different position.

7. The PCB display assembly of an indoor unit of an air conditioner of claim 1, wherein: the display window (100) and the display box (400) are respectively fixed with a connecting plate (600) with corresponding positions, the connecting plate (600) is provided with a connecting through hole, and the display window (100) and the display box (400) are connected and fixed through a bolt penetrating through the connecting through hole.

8. Machine in air conditioning, its characterized in that: the air-conditioning indoor unit PCB display assembly as claimed in any one of claims 1 to 7 is mounted on the air-conditioning indoor unit.

Images