CN211781541U - Automatically controlled box casing, automatically controlled box and air conditioner - Google Patents

Abstract

The utility model provides an automatically controlled box casing, automatically controlled box and air conditioner belongs to air conditioner technical field. The electric control box shell comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are connected through the bottom plate, and a buckle piece is arranged on the first side plate. One side of the clamping part far away from the bottom plate is provided with a fool-proof structure, and the fool-proof structure can prevent the circuit board from being installed above the clamping part. After above-mentioned automatically controlled box and air conditioner adopted above-mentioned automatically controlled box casing, when the assembly circuit board, because the upper portion of buckle spare is provided with prevents slow-witted structure to on the guiding edge of preventing slow-witted structure extends to the buckle spare, when the slow-witted structure is prevented in touchhing on one side of circuit board, thereby prevent that slow-witted structure can prevent that the circuit board from being close to the accurate installation that can assist the circuit board effectively on the buckle spare of hanging on one side of buckle spare.

Description

Automatically controlled box casing, automatically controlled box and air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to an automatically controlled box casing, automatically controlled box and air conditioner.

Background

The electric control box generally refers to a rectangular parallelepiped box containing a circuit board, which is widely used in electric appliances, such as an air conditioner outdoor unit. The circuit board of the existing electric control box is generally clamped on two side walls of the shell through two side plates. For example, a fastener is arranged on one side wall of some electric control box shells, and an elastic fastener is arranged on the other side plate; when the circuit board is installed, one side of the circuit board is inserted to the lower part of the buckle part, and then the other side of the circuit board is pressed to the lower part of the elastic buckle; thereby fixing two sides of the circuit board through the buckle piece and the elastic buckle. During assembly, due to misoperation, the side edge of the circuit board may not be clamped into a preset position but is suspended on the upper part of the fastener; at the moment, the other side of the circuit board is pressed to still press the circuit board to the lower part of the elastic buckle; the above-described assembly manner results in unstable fixation of the entire circuit board.

SUMMERY OF THE UTILITY MODEL

The application provides an automatically controlled box casing, it can play the fool-proofing effect in circuit board installation to help assembling the circuit board to the correct position.

The application also provides an electric control box and an air conditioner, wherein the electric control box shell is adopted.

The application is realized as follows:

an electronic control box shell is used for accommodating a circuit board and comprises a bottom plate and a first side plate; the first side plate is connected with the bottom plate; a fastener is arranged on the first side plate;

a foolproof structure is arranged on one side, away from the bottom plate, of the buckling piece; the fool-proof structure can prevent the circuit board from being installed on one side of the buckle piece away from the bottom plate. After adopting above-mentioned automatically controlled box casing, when the assembly circuit board, because the upper portion of buckle spare is provided with prevents slow-witted structure, thereby prevent that slow-witted structure can prevent one side suspension of circuit board can avoid the circuit board suspension can also block into the phenomenon of elasticity knot lower part in buckle spare upper portion another side on one side of buckle spare upper portion. Therefore, the electronic control box shell adopting the fool-proof structure can play a fool-proof role in the installation of the circuit board.

The fool-proof structure can be a convex structure or a guide structure; the convex part structure and the guide structure can occupy the upper space of the fastener, and one side of the circuit board is prevented from being suspended on the fastener. The guide structure also helps to guide the circuit board to slide along the guide edge under the latch.

Further, the method comprises the following steps of; the fool-proof structure comprises at least one rib plate, and two edges of the at least one rib plate are respectively connected with the first side plate and the buckling piece; alternatively, the rib plate may be connected only to the fastener.

Above-mentioned prevent slow-witted structure and adopted the gusset structure, its injection moulding is simpler, is convenient for with first curb plate and the integrative injection moulding of buckle spare. Moreover, the rib plates can also play a reinforcing role in the fastener and the first side plate. When the width of the fastener is wide, a plurality of rib plates arranged at intervals can be arranged.

Further, an arc-shaped chamfer is arranged at the joint of the rib plate and the first side plate, and the arc-shaped chamfer is sunken towards the direction close to the first side plate.

The arc-shaped chamfer is arranged, so that the connecting part can be prevented from cracking during injection molding; on the other hand it can also guide when mounting the circuit board.

Further, the rib plate comprises a guide edge, and the guide edge extends to one side of the buckle piece, which is far away from the first side plate.

The above design enables the edge of the circuit board to slide along the guide plate directly under the latch.

Further, the thickness of the rib plate is one third of that of the first side plate.

The thickness of the rib plate is set to be one third of the thickness of the side plate of the shell, and poor injection molding can be prevented. If the web is too thick, it may lead to injection molding dissatisfaction; the web is too thin and it is difficult to injection mold.

Further, the thickness of the rib plate is not less than 0.6 mm. If the thickness of the rib plate is less than 0.6mm, the rib plate is too thin and is difficult to be injection molded.

Further, the fool-proof structure comprises one rib plate or a plurality of rib plates arranged at intervals.

When the fastener is long, a plurality of rib plates can be uniformly arranged in the length direction of the fastener at intervals, so that the guide is better performed when the circuit board is assembled.

Furthermore, the gusset includes the direction limit, the both ends of deflector all are provided with arc chamfer. The guide edge extends to one side of the fastener, which is far away from the first side plate.

The design facilitates the circuit board to slide to the lower part of the fastener along the guide edge of the rib plate.

Furthermore, a chamfer is arranged on one side, close to the bottom plate, of the edge of the buckling piece.

The chamfer enables the circuit board to be more easily mounted underneath the latch as the circuit board slides down the guide edge to the edge of the latch.

Furthermore, an elastic buckle is arranged on the second side plate.

When one side of the circuit board is clamped below the clamping part, the other side of the circuit board can be fixed by the elastic clamp. Alternatively, the other side of the circuit board may be fixed by screws or other detachable connections.

Further, the guide edge extends to one side of the fastener, which is far away from the first side plate.

The height of the guide edge is consistent with that of the clamping piece due to the design, so that when one edge of the circuit board moves to the tail end of the circuit board along the guide edge of the fool-proof structure, the circuit board can directly slide into the lower part of the clamping piece.

The electric control box comprises a circuit board and an electric control box shell, wherein one side of the circuit board is clamped between a clamping piece and a bottom plate.

An air conditioner, the air conditioner has adopted above-mentioned automatically controlled box.

The beneficial effects of the technical scheme provided by the application at least comprise the following aspects:

after above-mentioned automatically controlled box and air conditioner adopted above-mentioned automatically controlled box casing, when the assembly circuit board, because the upper portion of buckle spare is provided with prevents slow-witted structure, when the slow-witted structure is prevented in touchhing on one side of circuit board, thereby prevent that slow-witted structure can prevent that one side that the circuit board is close to buckle spare from hanging on the buckle spare and can assist the accurate installation of circuit board effectively.

Drawings

FIG. 1 is a schematic view of the assembly of a circuit board into a housing of an electrical control box;

FIG. 2 is a cross-sectional view of the circuit board assembled with the electronic control pod housing;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic structural view of the electronic control box at a first viewing angle after the shell is cut open;

fig. 5 is a structural schematic diagram of the electronic control box at a second viewing angle after the shell is cut open;

fig. 6 is a partial enlarged view of B in fig. 5 of the electrical control box.

Description of reference numerals:

100-a housing; 110-a first side panel; 120-a second side panel; 121-a mounting plate; 130-a backplane; 140-fool-proofing structure; 141-rib plate; 142-a guide edge; 143-arc chamfering; 150-a fastener; 160-elastic buckle; 170-a support plate; 200-circuit board.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the embodiment, an electric control box of an air conditioner outdoor unit is taken as an example to describe the technical scheme provided by the application in detail; it should be noted that the electronic control box in the present application can also be used for other electrical appliances.

Please refer to fig. 1 and fig. 2; FIG. 1 is a top view of the circuit board assembled into the electrical control box housing 100; fig. 2 is a cross-sectional view of fig. 1.

The two side walls of the electric control box of the air conditioner outdoor unit are respectively provided with a fastener 150 and an elastic fastener 160 for fixedly mounting the circuit board 200, and the fastener 150 and the elastic fastener 160 are both arranged close to the bottom of the electric control box. When the circuit board 200 is assembled, one side of the circuit board 200 is usually inserted into the lower portion of the locking member 150, and one side of the circuit board 200 is fixed first by the locking member 150 and the supporting member on the bottom plate 130. Then, the other side of the circuit board 200 is pressed downward, and the elastic buckle 160 is deformed under the pressing action of the other side of the circuit board 200; finally, the other side of the circuit board 200 is pressed under the elastic buckle 160, and at the same time, the elastic buckle 160 is reset, thereby fixing the circuit board 200. When the circuit board 200 is snapped into the bottom of the fastener 150, the circuit board 200 may not reach the correct position due to misoperation; for example, the circuit board 200 is suspended on the latch 150, and at this time, the other side of the circuit board 200 can still be pressed below the elastic latch 160. However, since only one side of the circuit board 200 is fixed, the connection reliability with the electrical control box housing 100 is poor.

To assist in the accurate placement of the circuit board 200 in place, the present embodiment provides an electrical control box housing 100 with a fool-proof structure 140.

Please refer to fig. 3-5; fig. 3 is a schematic view of a structure of the portion a of the fastener 150 in fig. 2 cooperating with the circuit board 200; FIG. 4 is a schematic view of the electrically controlled pod housing shown in cross-section in a first view; fig. 5 is a structural diagram of the electric control box in a second view after the electric control box shell is cut away.

In the electric control box casing 100, the fastener 150 and the elastic fastener 160 are respectively arranged on two adjacent side plates; the latch 150 is provided with a fool-proof structure 140 on a side away from the bottom plate 130, the fool-proof structure 140 includes a rib plate 141, and a guiding edge 142 extending from the first side plate 110 to the latch 150 is provided on the rib plate 141. When the circuit board 200 is assembled into the electrical control box casing 100, one side of the circuit board 200 slides into the lower part of the fastener 150 along the guiding edge 142 of the fool-proof structure 140, and the other side is fastened into the lower part of the elastic fastener 160, thereby fixing the circuit board 200. The fool-proof structure 140 can effectively assist the circuit board 200 to be assembled, and prevent the circuit board 200 from being assembled in place.

Specifically, the electronic control box casing 100 includes a bottom plate 130, a first side plate 110, and a second side plate 120; the first side plate 110 and the second side plate 120 are vertically connected to both side edges of the bottom plate 130, respectively.

The fastener 150 is disposed at a position of the first side plate 110 close to the bottom plate 130, and the elastic fastener 160 is disposed at a position of the second side plate 120 close to the bottom plate 130. Moreover, the elastic buckle 160 and the buckle 150 are located on the same horizontal plane; thereby facilitating horizontal fixation of the circuit board below the elastic buckle 160 and the buckle 150. The fastener 150 is a strip-shaped plate structure, and extends along the width direction of the first side plate 110.

In this embodiment, a chamfer is provided at a side of the edge of the locking member 150 close to the bottom plate 130, so that the cross-sectional shape of the locking member 150 is substantially a right trapezoid; the shorter base of the right trapezoid is parallel to the bottom plate 130 and perpendicular to the first side plate 110, and the oblique waist of the right trapezoid forms a slope, so that the circuit board 200 can be conveniently snapped under the fastener 150. In other embodiments, the latch 150 may be a strip plate structure, or the cross-sectional shape of the latch 150 may be rectangular.

Referring to fig. 6, fig. 6 is a partial enlarged view of B in fig. 5; a horizontal mounting plate 121 is arranged at the position of the second side plate 120 close to the bottom, and an elastic buckle 160 is arranged on the mounting plate; the elastic buckle 160 is vertically arranged, and the upper part of the elastic buckle is in an inverted wedge-shaped structure. When the elastic buckle 160 is pressed by the circuit board 200, the wedge structure can be elastically deformed toward a side close to the second side plate 120, thereby facilitating the circuit board 200 to be mounted between the wedge structure of the elastic buckle 160 and the mounting plate 121.

In addition, in order to support the bottom of the circuit board 200 and to leave a certain gap between the circuit board 200 and the bottom plate 130 for heat dissipation, the bottom plate 130 of the electrical control box casing 100 is further provided with a supporting plate 170. The supporting plate 170 is disposed at the connection position of the bottom plate 130 and the vertical plate (including the first side plate 110, the second side plate 120, and the other two front and rear plates connected to the bottom plate 130), and is vertically connected to the bottom plate 130 and the vertical plate. The supporting plate 170 can support and reinforce the bottom plate 130 and the vertical plate.

The fool-proof structure 140 in this embodiment is mainly used to assist the circuit board 200 to be accurately snapped under the fastener 150, so as to prevent one side of the circuit board 200 from being suspended on the upper surface of the fastener 150. The fool-proof structure 140 includes a guiding edge 142, and the guiding plate extends from the first side plate 110 to the fastener 150. Due to the guiding edge 142, when the circuit board 200 is installed, the side edge of the circuit board 200 can move along the guiding edge 142, thereby assisting the circuit board 200 to slide under the latch 150.

Preferably, the guiding edge 142 in this embodiment extends from the inner wall of the first side plate 110 to the edge of the fastener 150 away from the first side plate 110; in other words, the height of the fool-proof structure 140 is consistent with the height of the locking member 150. The design enables the circuit board 200 to slide below the fastener 150 more naturally when the circuit board 200 slides along the guiding edge 142; moreover, the above design prevents the circuit board 200 from being suspended on the upper surface of the locking member 150. In other embodiments, the height of the fool-proof structure 140 may also be slightly less than the height of the fastener 150, which can also play a certain fool-proof role; this solution is still within the scope of protection of the present application. The height refers to the dimension of the fool-proof structure 140 or the fastener 150 with the first side plate 110 as a 0-th reference plane.

The fool-proof structure 140 includes a rib plate 141; the rib plate 141 is approximately in a right triangle shape, a long right-angle side of the rib plate is fixedly connected with the first side plate 110, and the other short right-angle side of the rib plate is connected with the upper surface of the fastener 150; the inclined edge of the rib plate 141 is the guide edge 142. Adopt the fool-proof structure 140 of above-mentioned design, it not only can play the fool-proof effect, can also advance to play reinforced effect to first curb plate 110 and buckle.

In order to further facilitate the guiding of the guiding edge 142 for the installation of the circuit board 200, both ends of the guiding edge 142 are provided with chamfers; specifically, the arc-shaped chamfer 143 at the connection of the guiding edge 142 and the first side plate 110 is recessed in a direction close to the first side plate 110, and the arc-shaped chamfer 143 at the connection of the guiding edge 142 and the fastener 150 is protruded in a direction away from the first side plate 110.

In order to facilitate the injection molding of the rib plate 141, the thickness of the rib plate 141 should be one third of that of the first side plate 110; the thickness can prevent poor injection molding. If the thickness of the rib plate 141 is too thick, it may cause injection molding to be insufficient; the thickness of the rib plate 141 is too thin, which makes injection molding difficult; and the strength of the rib plate 141 with too thin thickness is difficult to be ensured.

When the length of the locking member 150 is long, a plurality of the same rib plates 141, for example, two rib plates may be provided at intervals on the locking member 150. Because the plurality of rib plates 141 can play a guiding role, the circuit board 200 can be guided more effectively by arranging the plurality of rib plates 141; and the plurality of rib plates 141 can further reinforce the first side plate 110 and the fastener 150.

The working principle of the fool-proof structure 140 provided by the present embodiment is as follows:

when the circuit board 200 is assembled in the electrical control box casing 100, the fastener 150 is fixedly connected with the first side plate 110, and the elastic fastener 160 is elastically connected with the second side plate 120; and the width of the circuit board 200 is only slightly smaller than the distance between the first side plate 110 and the second side plate 120; therefore, it is necessary to tilt the circuit board 200 first, so that one side of the circuit board 200 is snapped under the locking member 150, and then press the other side of the circuit board 200 downward to be snapped under the elastic fastener 160. After the fool-proof structure 140 is disposed, when one side of the circuit board 200 moves downward along the inner wall of the first side plate 110, the circuit board 200 will first touch the guiding edge 142 of the fool-proof structure 140, and will continue to move downward under the guiding action of the guiding edge 142 until being clamped into the fastening member 150. Thus, the fool-proof structure 140 is provided to facilitate the circuit board 200 to be mounted in the correct position, preventing one edge of the circuit board 200 from being suspended on the latch 150.

It should be noted that this embodiment is one of many embodiments of the present application, and in other embodiments, the fool-proof structure 140 is not limited to a rib structure, but may be a wedge structure or other protrusion structure. In addition, the guiding edge 142 may be a straight edge or an arc-shaped edge. In other embodiments, the second side plate 120 is not limited to one, and may be two or another number; also, the second side plate 120 may be disposed opposite to the first side plate 110, or may be disposed adjacent to the second side plate 120.

In addition, since the circuit board 200 may adopt an existing structure, detailed description thereof is omitted to avoid redundancy. In the present application, the terms of orientation such as "up" and "down" refer to the placement position of the electronic control box in the drawings, the "upper" of the latch 150 refers to the side of the latch 150 away from the bottom plate 130, and the "lower" of the latch refers to the side of the latch close to the bottom plate. It is merely for convenience of description and does not mean that the electronic control box can only be installed or placed according to this orientation, nor that the circuit board can only be installed horizontally.

Although the present invention is disclosed above, the present invention is not limited thereto. Various modifications may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications are intended to be within the scope of the invention.

Claims (10)

1. An electronic control box housing for accommodating a circuit board (200), characterized in that the electronic control box housing (100) comprises a bottom plate (130) and a first side plate (110); the first side plate (110) is connected with the bottom plate (130); a fastener (150) is arranged on the first side plate (110);

a foolproof structure (140) is arranged on one side, away from the bottom plate (130), of the buckle piece (150); the fool-proof structure (140) can prevent the circuit board (200) from being installed on one side of the fastener (150) far away from the bottom plate (130).

2. The electrical control box housing according to claim 1, wherein the fool-proof structure (140) comprises at least one rib (141), the at least one rib (141) being connected with the catch (150).

3. The electrical control box housing according to claim 2, wherein the rib (141) has a thickness of one third of the thickness of the first side plate (110).

4. An electrical control box housing according to claim 2, characterized in that the thickness of the rib plate (141) is not less than 0.6 mm.

5. The electric control box shell according to claim 2, wherein the rib plate (141) comprises a guide edge (142), and arc-shaped chamfers (143) are arranged at two ends of the guide edge (142).

6. The electrical control box casing according to claim 2, wherein the rib plate (141) comprises a guiding edge (142), and the guiding edge (142) extends to a side of the catch (150) away from the first side plate (110).

7. An electrical control box casing according to claim 1, characterised in that the edge of the catch (150) on the side adjacent the base plate (130) is chamfered.

8. An electrical control box housing according to claim 1, comprising a second side plate (120) provided with an elastic catch (160); the elastic buckle (160) and the buckle piece (150) jointly fix the circuit board.

9. An electronic control box, characterized in that, the electronic control box comprises a circuit board (200) and the electronic control box shell of any one of claims 1 to 8, one side of the circuit board (200) is clamped between the fastener (150) and the bottom plate (130).

10. An air conditioner characterized in that it comprises an electric control box according to claim 9 or an electric control box casing according to any one of claims 1 to 8.

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