Case and electronic equipment

Abstract

The utility model provides a case and electronic equipment, and relates to the technical field of electronic equipment. The case comprises a shell and a covering part, the shell is provided with an air duct cavity, a first opening and a second opening are formed in the positions, on the two adjacent side walls of the air duct cavity, of the shell respectively, and the first opening is used for being arranged towards a set structure; the covering part comprises a first part and a second part which are arranged at an included angle, the first part and the second part correspondingly cover the first opening and the second opening respectively, the first part is provided with a first ventilation filtering structure, and the covering part is detachably connected with the shell through the second part. According to the utility model, the interior of the air duct cavity and the first ventilation filtering structure can be conveniently maintained, and the air duct structure is particularly suitable for maintaining the interior of the air duct cavity and the first ventilation filtering structure under the condition that the outer side of the first ventilation filtering structure is provided with a set structure such as a first structure to be cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment, in particular to a chassis and electronic equipment. Background Art

[0002] Inverters and other devices accumulate heat when working, so they are usually equipped with heat dissipation ducts, which use the air flow in the duct to exchange heat and achieve heat dissipation. When these devices are in use, the ventilation and filtering structures at the duct outlets, such as the air net, and the components inside the duct, such as the radiator, may be attached with foreign objects such as fluffy flocs and dense mesh dust, which will affect the performance of the equipment and require regular maintenance and cleaning.

[0003] However, in some cases, the outer sides of these air vents are blocked, resulting in insufficient space for disassembly and assembly. In particular, in wall-mounted devices such as wall-mounted inverters, the air duct is usually arranged at the rear end of the shell, and the rear end of the shell is usually close to the facade of the corresponding supporting structure, such as the facade close to the wall, and an inductive component is arranged above or below the air duct. There is insufficient space for disassembly and assembly of the ventilation and filtering structure at the air vent of the air duct close to the inductive component, and the entire device often has to be removed for disassembly and assembly, which is inconvenient for the air duct maintenance of the equipment. Utility Model Content

[0004] The utility model aims to solve the problem of how to conveniently maintain the air duct in the related technology to a certain extent.

[0005] In order to at least solve at least one aspect of the above problems to a certain extent, in a first aspect, the utility model provides a chassis, including a shell and a cover, the shell is provided with an air duct cavity, the shell is provided with a first opening and a second opening on two adjacent side walls of the air duct cavity, respectively, the first opening is used to be arranged toward a setting structure;

[0006] The cover comprises a first part and a second part arranged at an angle, the first part and the second part respectively cover the first opening and the second opening, the first part is provided with a first ventilation and filtering structure, and the cover is detachably connected to the shell through the second part.

[0007] Optionally, an inserting portion is provided at one end of the first part away from the second part;

[0008] The housing is provided with a plug-in fitting portion at an edge of the first opening away from the second opening, and the plug-in fitting portion and the plug-in fitting portion are plug-connected along an opening direction of the second opening.

[0009] Optionally, the second part is connected to the shell by snap-fitting, or the second part is connected to the shell by a fastener.

[0010] Optionally, the second part is provided with a second ventilation and filtering structure.

[0011] Optionally, the chassis also includes a third ventilation and filtering structure, and the shell is provided with a third opening at one end of the air duct cavity away from the second opening, and the third ventilation and filtering structure is correspondingly arranged at the third opening, and the third ventilation and filtering structure is detachably connected to the shell.

[0012] Optionally, the shell is further provided with a main cavity; the air duct cavity is located on one side of the main cavity along the first direction, and the opening direction of the first opening, the opening direction of the second opening and the first direction are arranged crosswise in pairs.

[0013] Optionally, the shell includes a main shell and an air duct shell, the main shell is provided with the main cavity, the air duct shell is located outside the main shell, and the air duct shell and the main shell form the air duct cavity.

[0014] Optionally, the chassis also includes a radiator for dissipating heat from the main cavity, the radiator is connected to the main shell, the air duct shell is covered on the outside of the radiator, and at least one of the radiator and the main shell is connected to the air duct shell.

[0015] Optionally, the air duct shell includes a first component and a second component, the first component includes a first plate body and a second plate body arranged at an angle, the first plate body includes a first end and a second end arranged opposite to each other, the first plate body is arranged opposite to the main shell, the second plate body is located between the first end of the first plate body and the main shell, the second component is located between the second end of the first plate body and the main shell, the first plate body, the second plate body, the second component and the main shell are surrounded by a first notch, the cross-sectional shape of the first notch is an L-shaped structure, and the two parts of the L-shaped structure respectively form the first open opening and the second open opening.

[0016] Optionally, the setting structure includes a first heat element to be cooled;

[0017] and / or, the setting structure is mounted on the housing;

[0018] And / or, a first stop portion is provided on an edge of the first opening located in a setting direction, the setting direction is perpendicular to the opening direction of the first opening and the opening direction of the second opening, respectively, and the side of the first stop portion facing away from the setting structure is used to abut against the first part.

[0019] In a second aspect, the utility model provides an electronic device, comprising the chassis as described in the first aspect above.

[0020] Compared with the related prior art, in the chassis and electronic equipment of the utility model, the first part and the second part of the cover correspond to the first opening and the second opening of the air duct cavity respectively, the first part is provided with a first ventilation filter structure, the first opening is used to be arranged toward the setting structure, and the cover is detachably connected to the shell through the second part, which can not only meet the air circulation of the air duct cavity at the first opening, such as the air outlet demand, but also can disassemble the cover at one end where the second opening is located, avoiding the disassembly of the first part in the gap between the air duct cavity and the setting structure, which can reduce the installation and disassembly difficulty of the first part to a certain extent, and improve the space compactness between the first part and the setting structure. In addition, when the cover is disassembled, the various parts on the cover, such as the first ventilation filter structure, can be cleaned, and the second opening can be exposed, and the interior of the air duct cavity can be maintained through the second opening when necessary. In general, the utility model is convenient for maintaining the interior of the air duct cavity and the first ventilation filter structure, and is particularly suitable for maintaining the interior of the air duct cavity and the first ventilation filter structure when there is a setting structure such as the first heat dissipation structure outside the first ventilation filter structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of an electronic device in an embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the electronic device in the embodiment of the utility model after the main air duct housing, the cover and the third ventilation and filtering structure are removed;

[0023] Figure 3 Another structural schematic diagram of an electronic device in an embodiment of the utility model;

[0024] Figure 4 This is a schematic structural diagram of the connection between the air duct housing, the cover and the third ventilation and filtering structure in an embodiment of the utility model;

[0025] Figure 5 It is a schematic structural diagram of the air duct housing in an embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 100-shell; 110-main shell; 120-air duct shell; 121-first component; 1211-first plate; 1212-second plate; 1213-first stopper; 1214-third connecting hole; 122-second component; 123-first opening; 124-plug-in fitting part; 125-second opening; 126-third opening; R1-air duct cavity; R2-main cavity; 200-cover; 210-first part; 211-first ventilation and filtering structure; 212-plug-in part; 213-second folded edge; 220-second part; 221-second ventilation and filtering structure; 300-third ventilation and filtering structure; 400-driving fan; 500-setting structure; 600-heat sink. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment", "some embodiments", "exemplarily" and "one embodiment" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or embodiment are included in at least one embodiment or embodiment of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or embodiment. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or embodiments in a suitable manner.

[0031] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0032] In the accompanying drawings, the Z axis represents the vertical direction, that is, the up and down position, and the positive direction of the Z axis (that is, the direction of the arrow of the Z axis) represents the up, and the negative direction of the Z axis represents the down; the X axis in the accompanying drawings represents the front and back position, and the positive direction of the X axis (that is, the direction of the arrow of the X axis) represents the front side, and the negative direction of the X axis represents the back side; the Y axis in the accompanying drawings represents the horizontal direction and is designated as the left and right position, and the positive direction of the Y axis (that is, the direction of the arrow of the Y axis) represents the right side, and the negative direction of the Y axis represents the left side; it should be noted that the aforementioned Z axis, Y axis and X axis are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0033] like Figure 1 As shown, in the first aspect, the utility model provides a chassis, including a shell 100 and a cover 200, the shell 100 is provided with an air duct cavity R1, and the shell 100 is provided with a first open port 123 and a second open port 125 on two adjacent side walls of the air duct cavity R1, respectively, and the first open port 123 is used to be set toward the setting structure 500;

[0034] The cover 200 includes a first portion 210 and a second portion 220 which are arranged at an angle. The first portion 210 and the second portion 220 respectively cover the first opening 123 and the second opening 125 . The first portion 210 is provided with a first ventilation and filtering structure 211 . The cover 200 is detachably connected to the shell 100 via the second portion 220 .

[0035] The specific structure of the shell 100 is not limited and can be set according to actual needs. It can be set as an integrated structure or a split structure. The first open opening 123, the second open opening 125 and the third open opening 126 described later can be openings dug out on the shell 100, or can be gaps formed by enclosing several parts of the shell 100. Exemplary explanations will be given later in this specification.

[0036] In this specification, the chassis is taken as the chassis of the inverter, the setting structure 500 includes the first heat dissipation component, and the first heat dissipation component is taken as an example, and the air flow at the first opening 123 cools the reactance component as an example to illustrate the utility model. In this specification, the first opening 123 is defined as being located at the upper end of the air duct cavity R1, and its opening direction is toward the reactance component. However, it should be understood that it is not limited to this, and it can be used in other occasions without violating the design concept of the utility model. The setting structure 500 may not be arranged in the direction of the first opening 123 due to heat dissipation requirements, but it forms a barrier to the disassembly space of the cover 200 on the outside of the first opening 123.

[0037] In this way, the first part 210 and the second part 220 of the cover 200 correspond to the first open port 123 and the second open port 125 covering the air duct cavity R1 respectively. The first part 210 is provided with a first ventilation and filtering structure 211. The first open port 123 is used to be set toward the setting structure 500. The cover 200 is detachably connected to the shell 100 through the second part 220, which can not only meet the air circulation of the air duct cavity R1 at the first open port 123, such as the air outlet demand, but also can disassemble the cover 200 at the end where the second open port 125 is located, avoiding the disassembly of the first part 210 in the gap between the air duct cavity R1 and the setting structure 500, which can reduce the difficulty of installation and disassembly of the first part 210 to a certain extent, and improve the compactness of the space between the first part 210 and the setting structure 500. Furthermore, when the cover 200 is disassembled, the various parts on the cover 200, such as the first ventilation and filtering structure 211, can be cleaned, and the second opening 125 can be exposed, and if necessary, the interior of the air duct cavity R1 can be maintained through the second opening 125. In general, the utility model facilitates the maintenance of the interior of the air duct cavity R1 and the first ventilation and filtering structure 211, and is particularly suitable for the maintenance of the interior of the air duct cavity R1 and the first ventilation and filtering structure 211 when the outside of the first ventilation and filtering structure 211 has a set structure 500, such as a first structure to be cooled.

[0038] like Figure 1 As shown, optionally, the second portion 220 is provided with a second ventilation and filtering structure 221 .

[0039] In this case, the second opening 125 can not only serve as a maintenance port for maintaining components inside the air duct cavity R1, such as the radiator 600, but also form an air outlet for forming air inlet or air outlet to meet corresponding air inlet or air outlet requirements. It has a simple structure and strong practicality.

[0040] Optionally, the chassis also includes a third ventilation and filtering structure 300, and a third opening 126 is provided at one end of the air duct cavity R1 away from the second opening 125. The third ventilation and filtering structure 300 is correspondingly arranged at the third opening 126, and the third ventilation and filtering structure 300 is detachably connected to the shell 100.

[0041] At this time, the air duct cavity R1 can meet the corresponding air inlet or outlet requirements at the third open port 126 opposite to the second open port 125. By disassembling the third ventilation and filtering structure 300, on the one hand, foreign matters such as fluffy floating cotton and dense mesh dust adhering to the third ventilation and filtering structure 300 can be cleaned, and on the other hand, the third open port 126 can be used as a maintenance port for maintaining the components inside the air duct cavity R1, such as the radiator 600. In this case, both the second open port 125 and the third open port 126 are used as maintenance ports, which is convenient for maintaining the components inside the air duct cavity R1.

[0042] Optionally, the chassis further includes a driving fan 400 , and the driving fan 400 is used to drive the air flow channel in the air duct cavity R1 .

[0043] Optionally, the driving fan 400 is disposed on at least one ventilation and filtering structure.

[0044] For example, Figure 1 As shown, it shows the situation that the driving fan 400 is arranged on the third ventilation and filtering structure 300, and the driving fan 400 is located on the inner side of the third ventilation and filtering structure 300, driving air to flow into the air duct cavity R1 through the third ventilation and filtering structure 300, and flow out of the air duct cavity R1 through the first ventilation and filtering structure 211 and the second ventilation and filtering structure 221, in this process, heat exchange is performed with the components in the air duct cavity R1, such as the radiator 600, and air is blown to the first heat dissipation component to be cooled, so as to cool the first heat dissipation component to be cooled. At this time, the driving fan 400 can also be arranged on the inner side of the second ventilation and filtering structure 221, and the driving fan 400 at the second ventilation and filtering structure 221 can be configured to exhaust air at this time.

[0045] It should be understood that in some cases, in order to avoid the first part 210 of the cover 200 being too large, the cover 200 is set to two relatively arranged ones, and the first opening 123 can be set to two, one cover 200 covers one first opening 123 and the second opening 125, and the other cover 200 covers another first opening 123 and the third opening 126. In this case, the third ventilation and filtering structure 300 is arranged in the second part 220 of the other cover 200 (not shown in this scheme diagram and will not be described in detail here).

[0046] like Figures 1 to 3 As shown, optionally, the air duct cavity R1 is located at one side of the main cavity along the first direction, and the opening direction of the first opening 123, the opening direction of the second opening 125 and the first direction are arranged crosswise in pairs.

[0047] In this embodiment, the first direction is the front-to-back direction, the main cavity is at least partially located at the front side of the air duct cavity R1, the first opening 123 is located at the upper end of the air duct cavity R1, and the second opening 125 and the third opening 126 are located at the left and right ends of the air duct cavity R1, respectively. The figure shows that the main cavity is located at the front side of the air duct cavity R1 as a whole, but it should be understood that in some embodiments, the main cavity can be arranged at the front side and the lower side of the air duct cavity R1.

[0048] In this case, the first opening 123, the second opening 125, and the third opening 126 do not occupy space on the side wall of the air duct cavity R1 on the first direction away from the main cavity. It can be used for wall-mounting or column-mounting conditions. Specifically, when the wall or column is located on the side of the air duct cavity R1 away from the main cavity along the first direction, the first opening 123, the second opening 125, and the third opening 126 can all be put into use normally, ensuring the heat dissipation performance and maintainability of the chassis.

[0049] At this time, the wall-mounted structure setting method and position of the chassis can adopt relevant technologies, for example, the wall-mounted structure is set at both ends of the above-mentioned inductor component along the Y-axis direction, for example, the wall-mounted structure is set on the side wall of the air duct cavity R1 of the shell 100 away from the main cavity along the first direction.

[0050] like Figure 1 and Figure 2 As shown, optionally, the chassis further includes a radiator 600 for dissipating heat from the main cavity, and the radiator 600 is at least partially located in the air duct cavity R1.

[0051] The specific setting method of the heat sink 600 can adopt relevant technologies. For example, the heat sink 600 may include a first setting end and a second setting end that are relatively set. The first setting end is located in the air duct cavity R1 and may have a structure such as a fin to increase the contact surface. The second setting end can contact the cavity wall of the main cavity for heat conduction, or the second setting end can contact the second heat dissipation component to be cooled in the main cavity, such as an IGBT (Insulated Gate Bipolar Transistor) power module for heat conduction. At this time, the adjacent end faces of the main cavity and the air duct cavity R1 can be opened with a through hole, and the heat sink 600 is installed at the through hole, and heat is exchanged with the second heat dissipation component to be cooled through the through hole by contact or other means.

[0052] In this way, the heat sink 600 can enhance the heat exchange capacity when the air flows through the air duct cavity R1, thereby enhancing the heat exchange effect on the main cavity.

[0053] like Figure 1 , Figure 4 and Figure 5 As shown, further, the housing 100 includes a main housing 110 and an air duct housing 120 . The main housing 110 is provided with a main cavity. The air duct housing 120 is located outside the main housing 110 . The air duct housing 120 and the main housing 110 together form an air duct cavity R1 .

[0054] Specifically, the air duct housing 120 and the main housing 110 form an air duct cavity R1 having the first opening 123 and the second opening 125 . When the chassis further includes the third ventilation and filtering structure 300 , the air duct cavity R1 formed by the air duct housing 120 and the main housing 110 also has the third opening 126 .

[0055] In this way, the shell 100 is easy to manufacture and has a simple structure and strong practicality.

[0056] Furthermore, the radiator 600 is connected to the main housing 110 , the air duct housing 120 is covered on the outside of the radiator 600 , and at least one of the radiator 600 and the main housing 110 is connected to the air duct housing 120 .

[0057] That is, the air duct housing 120 may be connected to the radiator 600 , so that the position of the air duct housing 120 relative to the main housing 110 is fixed.

[0058] like Figure 4 and Figure 5 As shown, for example, the air duct housing 120 is provided with a third connection hole 1214 at the end away from the main cavity along the first direction, and the first set end of the radiator 600 away from the main cavity is provided with a fourth connection hole (not shown in the figure), and the fastener passes through the third connection hole 1214 and is threadedly connected to the fourth connection hole. Figure 5 It shows a case where the third connection hole 1214 is provided in the first plate body 1211 described later.

[0059] Of course, in another embodiment, the air duct housing 120 may be directly connected to the main housing 110 through fasteners. In this case, there may be no connection between the air duct housing 120 and the radiator 600, which is not a limitation.

[0060] like Figure 5 As shown, optionally, the air duct housing 120 includes a first component 121 and a second component 122, the first component 121 includes a first plate body 1211 and a second plate body 1212 arranged at an angle, the first plate body 1211 includes a first end (for example, the lower end in the figure) and a second end (for example, the upper end in the figure) arranged opposite to each other, the first plate body 1211 is arranged opposite to the main housing 110, the second plate body 1212 is located between the first end of the first plate body 1211 and the main housing 110, the second component 122 is located between the second end of the first plate body 1211 and the main housing 110, the first plate body 1211, the second plate body 1212, the second component 122 and the main housing 110 are surrounded by a first notch, the cross-sectional shape of the first notch is an L-shaped structure (the cross-sectional shape is parallel to the first plate body 1211), and the two parts of the L-shaped structure respectively form a first open port 123 and a second open port 125.

[0061] Specifically, the second end of the first plate body 1211 (for example, the upper end in the figure), the second component 122 and the main shell 110 form the first open opening 123, the third end of the first plate body 1211 (for example, the left end in the figure), the second plate body 1212 and the main shell 110 form the second open opening 125, the fourth end of the first plate body 1211 (for example, the right end in the figure), the second plate body 1212, the second component 122 and the main shell 110 form a second notch, and the second notch forms the third open opening 126.

[0062] It should be understood that the second component 122 may also be provided with a fourth ventilation and filtering structure as required, which will not be described in detail herein.

[0063] like Figure 1 and Figure 5 As shown, in the above embodiment, optionally, the cover 200 is plug-connected with the housing 100 at the first portion along the opening direction of the second opening 125 .

[0064] Optionally, an inserting portion 212 is provided at one end of the first portion 210 away from the second portion 220;

[0065] The housing 100 is provided with a plug-in fitting portion 124 at an edge of the first opening 123 away from the second opening 125 , and the plug-in fitting portion 212 and the plug-in fitting portion 124 are plug-connected along an opening direction of the second opening 125 .

[0066] Exemplarily, the plug-in portion 212 and the plug-in mating portion 124 are respectively arranged as a socket and a column, for example, the plug-in portion 212 is a socket, the plug-in mating portion 124 is a column, the right end of the first part 210 is provided with a second folded edge 213, and the left end of the second member 122 is provided with a third folded edge, the second folded edge 213 and the third folded edge, the second folded edge 213 and the third folded edge are respectively provided with the plug-in portion 212 and the plug-in mating portion 124.

[0067] In this way, by the plug-in connection between the plug-in portion 212 and the plug-in fitting portion 124 along the opening direction of the second opening 125, the cover 200 can be installed and positioned along the left and right directions, and the separation of the first part 210 and the first component 121 in the opening direction of the first opening 123, that is, the up and down directions, can be limited.

[0068] In the above embodiment, optionally, the second part 220 is connected to the housing 100 by snap-fitting, or the second part 220 is connected to the housing 100 by a fastener.

[0069] This specification uses the latter as an example for illustrative explanation. A fourth folded edge is provided at the left end of the first plate body 1211, a fifth folded edge is provided at the left end of the second plate body 1212, the fourth folded edge and the fifth folded edge are respectively provided with first connecting holes, the first part 210 is provided with a second connecting hole corresponding to the first connecting hole, and the fastener passes through the second connecting hole to be connected with the first connecting hole.

[0070] In this way, it is convenient to connect the cover 200 and the housing 100 at the second portion 220 .

[0071] In the above embodiment, the setting structure 500 is installed on the housing 100 .

[0072] Specifically, the setting structure 500 is installed on the main housing 110 , and the air duct housing 120 and the setting structure 500 , such as the first heat element to be dissipated, are spaced apart and distributed along the opening direction of the first opening 123 .

[0073] like Figure 1 and Figure 5 As shown, in the above embodiment, optionally, a first stop portion 1213 is provided at the edge of the first open opening 123 located in the setting direction, and the setting direction is respectively perpendicular to the opening direction of the first open opening 123 and the opening direction of the second open opening 125, and the side of the first stop portion 1213 away from the setting structure 500 is used to abut against the first part 210.

[0074] Specifically, a first folded edge is disposed at the upper end of the first plate body 1211 , and the first folded edge constitutes the first stopper 1213 .

[0075] In this way, when the cover 200 is connected to the housing 100 , the first stopper 1213 can stop the first portion 210 , and guide the first portion 210 to move in the left-right direction to a certain extent.

[0076] In the present invention, it should be understood that, when there is enough space, when there is no obstruction at the rear end and the left end of the chassis and the second part 220 is disassembled from the shell 100, the cover 200 can move to the left and be pulled out from the gap between the setting structure 500 and the air duct shell 120, or the cover 200 can move backward and be taken out from the gap between the setting structure 500 and the air duct shell 120 after the plug-in portion 212 and the plug-in mating portion 124 are separated and the stop of the first stop portion 1213 is released.

[0077] In a second aspect, the utility model provides an electronic device, which includes the chassis of the above embodiment. For example, the electronic device is an inverter, which will not be described in detail here.

[0078] Although the utility model is disclosed as above, the protection scope of the utility model is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A chassis, characterized in that: The invention comprises a shell (100) and a cover (200), wherein the shell (100) is provided with an air duct cavity (R1), and the shell (100) is respectively provided with a first open opening (123) and a second open opening (125) on two adjacent side walls of the air duct cavity (R1), wherein the first open opening (123) is used to be arranged toward a setting structure (500); The cover (200) comprises a first part (210) and a second part (220) which are arranged at an angle, the first part (210) and the second part (220) respectively correspondingly covering the first opening (123) and the second opening (125), the first part (210) being provided with a first ventilation and filtering structure (211), and the cover (200) being detachably connected to the housing (100) via the second part (220).

2. The chassis according to claim 1, characterized in that An inserting portion (212) is provided at one end of the first portion (210) away from the second portion (220); The housing (100) is provided with a plug-in fitting portion (124) at an edge of the first opening (123) away from the second opening (125); the plug-in fitting portion (212) and the plug-in fitting portion (124) are plug-connected along an opening direction of the second opening (125).

3. The chassis according to claim 1, characterized in that: The second part (220) is connected to the housing (100) by snap-fitting, or the second part (220) is connected to the housing (100) by means of a fastener.

4. The chassis according to claim 1, characterized in that: The second part (220) is provided with a second ventilation and filtering structure (221).

5. The chassis according to claim 1, characterized in that: It also includes a third ventilation and filtering structure (300), and the shell (100) is provided with a third open opening (126) at one end of the air duct cavity (R1) away from the second open opening (125), and the third ventilation and filtering structure (300) is correspondingly arranged at the third open opening (126), and the third ventilation and filtering structure (300) is detachably connected to the shell (100).

6. The chassis according to any one of claims 1 to 5, characterized in that: The shell (100) is also provided with a main cavity; the air duct cavity (R1) is located on one side of the main cavity along a first direction, and the opening direction of the first opening (123), the opening direction of the second opening (125) and the first direction are arranged crosswise in pairs.

7. The chassis according to claim 6, characterized in that The housing (100) comprises a main housing (110) and an air duct housing (120); the main housing (110) is provided with the main cavity; the air duct housing (120) is located outside the main housing (110); the air duct housing (120) and the main housing (110) enclose the air duct cavity (R1).

8. The chassis according to claim 7, characterized in that: It also includes a radiator (600) for dissipating heat from the main cavity, the radiator (600) is connected to the main shell (110), the air duct shell (120) is covered on the outside of the radiator (600), and at least one of the radiator (600) and the main shell (110) is connected to the air duct shell (120).

9. The chassis according to claim 8, characterized in that: The air duct housing (120) comprises a first component (121) and a second component (122); the first component (121) comprises a first plate body (1211) and a second plate body (1212) arranged at an angle; the first plate body (1211) comprises a first end and a second end arranged opposite to each other; the first plate body (1211) is arranged opposite to the main housing (110); the second plate body (1212) is located between the first end of the first plate body (1211) and the main housing (110); the second component (122) is located between the second end of the first plate body (1211) and the main housing (110); the first plate body (1211), the second plate body (1212), the second component (122) and the main housing (110) form a first notch; the cross-section of the first notch is an L-shaped structure; the two parts of the L-shaped structure respectively form the first open opening (123) and the second open opening (125).

10. The chassis according to any one of claims 1 to 5, characterized in that: The setting structure (500) comprises a first heat element to be cooled; and / or, the setting structure (500) is installed on the housing (100); And / or, a first stopper (1213) is provided on an edge of the first opening (123) located in a setting direction, the setting direction is perpendicular to the opening direction of the first opening (123) and the opening direction of the second opening (125), respectively, and a side of the first stopper (1213) facing away from the setting structure (500) is used to abut against the first part (210).

11. An electronic device, characterized in that: Comprising a chassis as described in any one of claims 1 to 10.

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