CN104505749B - Regulator cubicle - Google Patents

Abstract

The invention provides an electric cabinet. The electric cabinet comprises: a cabinet body (10); a casing (20), which has an inner cavity and an opening surface communicating with the inner cavity, and the side of the casing (20) away from the opening surface has a The air outlet is connected with the cabinet body (10) through a clamping assembly; the axial flow fan (30) is installed in the inner cavity, and an air inlet of the axial flow fan (30) is formed on the opening surface. The technical scheme of the invention effectively solves the problem of inconvenient installation of the axial flow fan in the prior art.

Description

Electrical cabinet

technical field

The invention relates to the technical field of electric equipment safety, in particular to an electrical cabinet.

Background technique

At present, electrical cabinets are widely used, mainly in power system, chemical industry, environmental protection industry, metallurgical system, industry, nuclear power industry, fire safety monitoring, transportation industry, etc. The electrical cabinet completes functions such as power distribution and electrical equipment control through the electrical components inside the electrical cabinet. Because the internal electrical components of the electrical cabinet usually generate a large amount of heat, in order to ensure that the electrical equipment in the electrical cabinet will not be damaged due to high temperature, an axial flow fan for heat dissipation is often installed on the cabinet wall of the electrical cabinet.

Axial flow fans in the prior art are generally fixed on the body of the electrical cabinet by screws, and this installation method has the following defects:

1. The screws need to be installed with tools, the installation process is time-consuming, and the bolts will loosen or even fall off under the action of external vibration;

2. The direct connection between the axial flow fan and the casing where the axial flow fan is installed is likely to generate harmful vibration and noise, and transmit the vibration to the electrical cabinet, which will affect the normal operation of the electrical components in the electrical cabinet, especially the working accuracy of precision equipment .

Contents of the invention

The main purpose of the present invention is to provide an electrical cabinet to solve the problem of inconvenient installation of an axial flow fan in the prior art.

In order to achieve the above object, the present invention provides an electrical cabinet, comprising: a cabinet body; a housing with an inner cavity and an opening surface communicating with the inner cavity, and the side of the housing away from the opening surface has an air outlet and is connected to the cabinet body It is connected by a clamping assembly; the axial flow fan is installed in the inner cavity, and an air inlet of the axial flow fan is formed on the opening surface.

Further, the cabinet body has a mounting hole, the snap-fit assembly includes a first snap-fit assembly and a second snap-fit assembly, the first snap-fit assembly and the second snap-fit assembly are arranged oppositely, the first snap-fit assembly is fixed on the housing, The second clamping component is slidably arranged on the housing, the first clamping component has a first clamping space for clamping the hole wall on one side of the mounting hole, and the second clamping component has a clamping space for the other side of the mounting hole. The second clamping space of the hole wall on one side, the second clamping component has a clamping position and an avoidance position that cooperate with the hole wall on the other side of the installation hole.

Further, the first clamping assembly includes a clamping plate and a connecting plate, there is a distance between the clamping plate and the bottom wall of the housing, the connecting plate connects the clamping plate and the bottom wall, and the clamping plate, the connecting plate and the bottom wall form a The first clamping space.

Further, a T-shaped chute is provided on the bottom wall of the housing, and the second clamping assembly includes a clamping block and an elastic member. The opposite sides of the clamping block have protrusions that cooperate with the T-shaped chute. There is a first flange on the side of the connecting block away from the first clamping component. There is a distance between the top surface and the bottom wall of the first flange and a second clamping space is formed. The elastic member is connected between the clamping block and the T-shaped On the groove wall of the chute so that the clamping block can move in the T-shaped chute.

Further, a groove is provided on a side of the engaging block away from the bottom wall.

Further, the casing is connected to the axial flow fan through clamping.

Further, the electrical cabinet also includes a plurality of cards, the cards are hinged on the side wall of the housing, and the cards have a clamping position and a dismounting position that cooperate with the fan frame of the axial fan. When the cards are in the clamping position, one end of the card is connected to the The side walls of the housing are fitted together, and the other end of the card bends toward the center of the housing.

Further, the card is riveted to the side wall of the casing.

Further, the card is arc-shaped.

Further, the electrical cabinet further includes a shock-absorbing washer, and the shock-absorbing washer is arranged at the junction of the bottom wall of the housing and the side wall of the housing.

Applying the technical solution of the present invention, when installing the axial flow fan, the axial flow fan is installed in the inner cavity of the housing, and then the housing is clamped on the cabinet body through the clamping assembly. The clip connection does not need to be installed by tools, the installation process is simple, the operation time is shortened, the installation efficiency is improved, and the problem of inconvenient installation of the axial flow fan is effectively solved. At the same time, the clip connection is firmly fixed and not easy to loosen, which effectively solves the problem that the bolts in the prior art are easy to loosen or even fall off.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows the structural representation of the embodiment of electric cabinet according to the present invention;

Fig. 2 shows a schematic structural diagram of the housing, the clamping assembly and the card of the electrical cabinet of Fig. 1;

Fig. 3 shows a schematic view of the A-direction structure of the housing of the electrical cabinet in Fig. 2, the clamping assembly and the card;

Fig. 4 shows the structural representation of the housing of the electrical cabinet as in 3;

Fig. 5 shows a schematic front view of the clamping block of the electrical cabinet of Fig. 2;

Fig. 6 shows a schematic side view of the clamping block in Fig. 5;

Fig. 7 shows a structural schematic diagram of another angle of the housing of the electrical cabinet in Fig. 2, the snap-in assembly and the card; and

FIG. 8 shows a schematic perspective view of the axial flow fan of the electrical cabinet in FIG. 1 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Cabinet body; 20. Shell; 21. T-shaped chute; 30. Axial flow fan; 31. Fan frame; 40. The first clamping assembly; 41. The clamping plate; 42. The connecting plate; 50. The second 2. Clamping component; 51. Clamping block; 511. Protrusion; 512. First flange; 513. Groove; 514. Second flange; 52. Elastic member; 60. Card;

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in Figures 1 and 8, the electrical cabinet of this embodiment includes a cabinet body 10, a casing 20, and an axial flow fan 30. The casing 20 has an inner cavity and an opening surface communicating with the inner cavity. One side of the surface has an air outlet and is connected to the cabinet body 10 through a clamping assembly. The axial flow fan 30 is installed in the inner cavity, and an air inlet of the axial flow fan 30 is formed on the opening surface.

Applying the electrical cabinet of this embodiment, when installing the axial fan 30 , install the axial fan 30 in the inner cavity of the housing 20 , and then clamp the housing 20 on the cabinet body 10 through a clamping assembly. The clip connection does not need to be installed by tools, the installation process is simple, the operation time is shortened, the installation efficiency is improved, and the problem of inconvenient installation of the axial flow fan is effectively solved. At the same time, the clip connection is firmly fixed and not easy to loosen, which effectively solves the problem that the bolts in the prior art are easy to loosen or even fall off.

As shown in Figure 2, in this embodiment, the housing includes a bottom wall and a side wall perpendicular to the bottom wall, the side wall and the bottom wall enclose the installation space for installing the axial flow fan 30, the bottom wall has an air outlet, and the air outlet The air outlet is an arc-shaped hole surrounding the center of the bottom wall, the air outlet is used for ventilation, and the bottom wall is used to protect the blades of the axial flow fan 30 .

As shown in FIG. 2 , in this embodiment, the cabinet body 10 has installation holes, and the snap-fit assembly includes a first snap-fit assembly 40 and a second snap-fit assembly 50 , and the first snap-fit assembly 40 and the second snap-fit assembly 50 Oppositely, the first clamping assembly 40 is fixed on the housing 20, the second clamping assembly 50 is slidably arranged on the housing 20, and the first clamping assembly 40 has a hole wall on one side of the clamping installation hole. The first clamping space, the second clamping assembly 50 has a second clamping space for clamping the hole wall on the other side of the installation hole, and the second clamping assembly 50 has a hole wall that cooperates with the other side of the installation hole. Snap-in position and avoidance position. When installing the housing 20 on the cabinet body 10 , the first clip assembly 40 is clipped on the hole wall on one side of the installation hole, that is, the hole wall on one side of the installation hole is located in the first clip space. Then move the second clamping component 50 so that the second clamping component 50 is clamped on the hole wall on the other side of the installation hole, that is, the hole wall on the other side of the installation hole is located in the second clamping space. In this way, the housing 20 is installed on the cabinet body 10, which is easy to operate and reduces the labor intensity of the operator.

In this embodiment, the first clamping assembly 40 includes a clamping plate 41 and a connecting plate 42, there is a distance between the clamping plate 41 and the bottom wall of the housing 20, and the connecting plate 42 connects the clamping plate 41 and the bottom wall, The clamping plate 41 , the connecting plate 42 and the bottom wall form a first clamping space. The clamping plate 41 and the connecting plate 42 are simple in structure and easy to manufacture.

As shown in FIG. 1 , in this embodiment, there are two groups of second clamping components 50 , and two groups of second clamping components 50 are arranged side by side along the extending direction of the clamping plate 41 . Two sets of second clamping components 50 can securely clamp the housing 20 to the cabinet body 10 .

As shown in FIGS. 2 to 5 , in this embodiment, a T-shaped chute 21 is provided on the bottom wall of the housing 20 , and the second clamping assembly 50 includes a clamping block 51 and an elastic member 52 , and the clamping block 51 There are protrusions 511 on both sides opposite to the T-shaped sliding groove 21, and the side of the clamping block 51 away from the first clamping assembly 40 has a first flange 512, and the top surface of the first flange 512 is in contact with the There is a distance between the bottom walls and a second locking space is formed. The elastic member 52 is connected to the locking block 51 and the groove wall of the T-shaped sliding groove 21 to allow the engaging block 51 to move in the T-shaped sliding groove 21 . When the elastic member 52 is in a free state, the first flange 512 protrudes from the sidewall of the casing 20 . When installing the housing 20 on the cabinet body 10, the first clamping component 40 is first clamped on the hole wall on one side of the installation hole, that is, the hole wall on one side of the installation hole is clamped in the first clamping space . Then pull the clamping block 51 toward the direction of the first clamping assembly 40, align the second clamping space with the hole wall on the other side of the installation hole, and release the clamping block 51, and the clamping block 51 passes through the elastic member 52. The elastic clip is connected to the hole wall on the other side of the mounting hole. In this way, the housing 20 is installed on the cabinet body 10, the installation process is very simple, the operation is easy and convenient, and the labor intensity of the operator is effectively reduced. Preferably, the elastic member 52 is a spring. The spring has the advantages of simple structure, convenient use and low cost.

As shown in FIG. 6 , in this embodiment, the side of the engaging block 51 facing the first engaging assembly 40 has a second flange 514 , and the top surface of the second flange 514 is aligned with the groove of the T-shaped sliding groove 21 There is a distance between the walls, and the elastic member 52 is located between the top surface of the second flange 514 and the groove wall of the T-shaped sliding groove 21 .

As shown in FIG. 1 , in this embodiment, a groove 513 is provided on a side of the engaging block 51 away from the bottom wall. The groove 513 is convenient for the operator to operate, and the operator can directly insert fingers into the groove 513 and then pull the clamping block 51 .

In this embodiment, the casing 20 is connected to the axial flow fan 30 through clamping. The snap connection can install the axial fan 30 on the casing 20 without tools, the installation process is simple, and the installation efficiency is effectively improved.

As shown in Figure 2 and Figure 7, in this embodiment, the electrical cabinet also includes a plurality of cards 60, the cards 60 are hinged on the side wall of the housing 20, and the cards 60 have a fan frame 31 matching with the axial flow fan 30 The clamping position and the detaching position, when the card 60 is in the clamping position, one end of the card 60 is attached to the side wall of the housing 20 , and the other end of the card 60 bends toward the center of the housing 20 . When the axial flow fan 30 is installed, the card 60 is located at the clamping position. At this time, the axial flow fan 30 is inserted into the inner cavity of the housing 20 along the extending direction of the card 60. When the fan frame 31 of the axial flow fan 30 slides over When the other end of the card 60 is pressed, the other end of the card 60 abuts on the fan frame 31 at this moment. In this way, the axial flow fan 30 is clamped on the casing 20, and the installation is simple. When the axial fan 30 needs to be removed, the card 60 can be rotated 180°, and then the axial fan 30 can be pulled out along the extension direction of the card 60, so that the axial fan 30 can be taken out from the casing 20, and the disassembly is very easy. Convenience. Preferably, the card 60 is arc-shaped. The arc-shaped card 60 can install and disassemble the axial fan 30 more conveniently.

In this embodiment, there is a distance between the card 60 and the middle of the side wall of the casing 20 . In this way, the card 60 can effectively cooperate with the fan frame 31 of the axial flow fan 30 to achieve reliable fixing of the axial flow fan 30 .

In this embodiment, the card 60 is riveted to the side wall of the casing 20 . The riveted connection has the advantages of simple structure, convenient use, convenient installation and low cost. Certainly, the card 60 and the side wall of the casing 20 may also be connected through a hinge, as long as the card 60 can be rotated.

As shown in FIG. 2 , in this embodiment, the electrical cabinet further includes a shock-absorbing washer 70 , and the shock-absorbing washer 70 is disposed at the junction of the bottom wall of the housing 20 and the side wall of the housing 20 . When the axial flow fan 30 is installed in the casing 20, the fan frame 31 of the axial flow fan 30 just abuts against the shock absorbing washer 70, and the shock absorbing washer 70 avoids direct contact between the axial flow fan 30 and the casing 20, and the shock absorbing washer 70 It plays the role of shock absorption and noise reduction, reduces the vibration and noise of the axial flow fan, and then solves the problem in the prior art that the axial flow fan is directly connected with the casing where the axial flow fan is installed, and it is easy to generate noise and vibration. Ensure the normal operation of the electrical components in the electrical cabinet. Preferably, the shock absorbing washer 70 is made of rubber. Certainly, the material of the shock absorbing washer 70 is not limited thereto, as long as it can play the role of shock absorbing.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. An electrical cabinet, characterized in that, comprising: Cabinet (10); The casing (20) has an inner cavity and an opening surface communicating with the inner cavity, the side of the casing (20) away from the opening surface has an air outlet and is connected to the cabinet body (10) through a card connection to components; an axial flow fan (30), installed in the inner cavity, an air inlet of the axial flow fan (30) is formed on the opening surface, The housing (20) is connected to the axial flow fan (30) by clamping, The electrical cabinet also includes a plurality of cards (60), the cards (60) are hinged on the side wall of the housing (20), and the cards (60) have a connection with the axial flow fan (30). The clamping position and dismounting position of the fan frame (31), when the card (60) is located at the clamping position, one end of the card (60) is attached to the side wall of the housing (20), The other end of the card (60) bends toward the center of the housing (20), The electrical cabinet also includes a shock absorbing washer (70), and the shock absorbing washer (70) is arranged at the junction of the bottom wall of the housing (20) and the side wall of the housing (20). 2. The electrical cabinet according to claim 1, characterized in that, the cabinet body (10) has installation holes, and the clamping components include a first clamping component (40) and a second clamping component (50) , the first clamping assembly (40) and the second clamping assembly (50) are arranged oppositely, the first clamping assembly (40) is fixed on the housing (20), and the second The clamping component (50) is slidably arranged on the housing (20), the first clamping component (40) has a first clamping space for clamping the hole wall on one side of the installation hole, The second clamping component (50) has a second clamping space for clamping the hole wall on the other side of the installation hole, and the second clamping component (50) has another The clamping position and the avoidance position of the hole wall on the side. 3. The electrical cabinet according to claim 2, characterized in that, the first clamping assembly (40) comprises a clamping plate (41) and a connecting plate (42), and the clamping plate (41) is connected to the There is a distance between the bottom walls of the housing (20), the connecting plate (42) connects the clamping plate (41) and the bottom wall, the clamping plate (41), the connecting plate ( 42) and the bottom wall form the first clamping space. 4. The electrical cabinet according to claim 2, characterized in that a T-shaped chute (21) is provided on the bottom wall of the housing (20), and the second clamping component (50) includes a clamping block (51) and elastic piece (52), the opposite sides of the clamping block (51) have protrusions (511) matching with the T-shaped chute (21), and the clamping block ( 51) has a first flange (512) on the side away from the first clamping assembly (40), and there is a distance between the top surface of the first flange (512) and the bottom wall and forms the The second clamping space, the elastic member (52) is connected to the groove wall of the clamping block (51) and the T-shaped chute (21) so that the clamping block (51) is in the Move in the T-shaped chute (21). 5. The electrical cabinet according to claim 4, characterized in that a groove (513) is provided on a side of the locking block (51) away from the bottom wall. 6. The electrical cabinet according to claim 1, characterized in that, the card (60) is riveted to the side wall of the housing (20). 7. The electrical cabinet according to claim 1, characterized in that, the card (60) is arc-shaped.