A duct mounting structure, cabinet body and electrical cabinet

Abstract

This invention discloses a duct installation structure, a cabinet, and an electrical cabinet. The duct installation structure is used to install a duct into an installation channel. The installation channel and the duct are configured such that the seal does not interfere with other components before the duct enters the installation channel and moves to a first position. A third surface of the installation channel has an abutment protrusion pointing towards a second surface. The abutment protrusion is used to push the duct towards the second surface after it enters the installation channel and moves to the first position, and to ensure that the seal is tightly fitted with the first surface, the second surface, or a corresponding seal when the duct continues to move to the second position. When the duct is in the second position, the heat dissipation vent and the air inlet are sealed and connected through the seal. This duct installation structure solves the problems of the duct being unable to be installed or the seal being damaged or displaced during installation when the duct outlet is perpendicular to the duct installation direction.

Description

Technical Field

[0001] This invention relates to the field of ventilation duct installation technology, specifically to a ventilation duct installation structure, cabinet, and electrical cabinet. Background Technology

[0002] Electrical cabinets contain electronic components that generate significant heat, requiring specially designed cooling structures to prevent overheating and damage. Typically, cabinets are equipped with fans that draw in cool air from outside. This cool air passes over the heat-generating electronic components, carrying away the heat, and is then exhausted through an exhaust duct. This exhaust duct can be formed by modular air ducts. These ducts are hollow and have inlets and outlets. During assembly, the air duct is installed inside the cabinet, connecting its inlet to the component requiring airflow. However, in certain situations, such as when the outlet of the air duct is perpendicular to its installation direction, the seal at the outlet may interfere with the edge of the exhaust component inside the cabinet during installation. This can prevent the air duct from being installed, or damage or displacement of the seal during installation. Summary of the Invention

[0003] The purpose of this invention is to overcome the aforementioned defects or problems in the prior art and to provide a duct installation structure, cabinet, and electrical cabinet that can solve the problems of the duct being unable to be installed or the seals being damaged or displaced during installation when the duct outlet is perpendicular to the duct installation direction.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] Technical Solution 1: A duct installation structure for installing the duct along the Y-axis to an installation channel; the duct has an air inlet on a first surface perpendicular to the X-axis; the installation channel has a second surface and a third surface opposite each other along the X-axis, the second surface has a heat dissipation vent adapted to connect with the air inlet; the heat dissipation vent and / or the air inlet has a sealing element protruding from the edge of the vent; the installation channel and the duct are configured such that the sealing element does not interfere with other components before the duct enters the installation channel and moves to a first position; the third surface has an abutment protrusion pointing towards the second surface; the abutment protrusion is used to push the duct toward the second surface after it enters the installation channel and moves to the first position, and to make the sealing element tightly fit with the first surface, the second surface, or another corresponding sealing element when the duct continues to move to the second position; when the duct is in the second position, the heat dissipation vent and the air inlet are sealed and connected through the sealing element.

[0006] Technical Solution 2 based on Technical Solution 1: The abutting protrusion is provided with a guide portion and an abutting portion; the guide portion is provided with a guide surface that extends obliquely from the third surface along the air duct installation direction toward the second surface, the guide surface being adapted to abut against the air duct and push the air duct toward the second surface after the air duct moves to the first position; the abutting portion is connected to the guide portion and extends along the Y-axis direction, and is adapted to abut against the air duct when the air duct moves to the second position.

[0007] Technical solution three, based on technical solution one or two: The air duct is provided with a fourth surface perpendicular to the X-axis and opposite to the first surface. The fourth surface is provided with a guide portion and a positioning portion. The guide portion is provided with a guide surface that extends obliquely from the fourth surface along the air duct installation direction toward the first surface. The guide surface is adapted to engage with the abutting protrusion after the air duct moves to the first position so that the air duct moves toward the second surface under the action of the abutting protrusion. The positioning portion is connected to the guide portion and is adapted to engage with the abutting protrusion when the air duct moves to the second position.

[0008] Technical Solution 4: A cabinet, the internal cavity of which is adapted to install a duct and a ventilation assembly for ventilating outward through the duct. The duct has an air inlet on a first surface perpendicular to the X-axis; the ventilation assembly has a heat dissipation vent on a second surface perpendicular to the X-axis, the heat dissipation vent being adapted to connect with the air inlet; the heat dissipation vent and / or the air inlet have a sealing element protruding from the edge of the vent; the cabinet has a third surface perpendicular to the X-axis, the third surface having an abutment protrusion; when the ventilation assembly is installed in the cabinet, the third surface faces the second surface, the abutment... The protrusion points towards the second surface; the third surface is adapted to cooperate with the second surface to form an installation channel for the air duct to be installed to the cabinet along the Y-axis direction, the installation channel being configured to allow the air duct to move smoothly to the first position during installation; the abutment protrusion is configured to push the air duct toward the second surface after the air duct moves to the first position, and to make the seal tightly fit with the first surface, the second surface, or another corresponding seal when the air duct continues to move to the second position, so that the heat dissipation vent and the air inlet are sealed and connected through the seal.

[0009] Technical solution five based on technical solution four: The abutting protrusion is provided with a guide portion and an abutting portion; the guide portion is provided with a guide surface that extends obliquely from the third surface along the air duct installation direction toward the second surface, the guide surface being adapted to abut against the air duct and push the air duct toward the second surface after the air duct moves to the first position; the abutting portion is connected to the guide portion and extends along the Y-axis direction, and is adapted to abut against the air duct when the air duct moves to the second position.

[0010] Based on technical solution four or five, technical solution six: the cabinet includes a mounting side panel and a protrusion; one side surface of the mounting side panel forms the third surface, and it is provided with a mounting through hole extending along the X-axis; the protrusion is provided with a fixing part and a protrusion part, the fixing part is fixedly installed on the mounting side panel, and the protrusion part passes through the mounting through hole and protrudes from the third surface to form the abutting protrusion.

[0011] Technical Solution 7: An electrical cabinet, comprising: a cabinet body as described in any one of Technical Solutions 4 to 6; a ventilation component detachably installed in the cabinet body, the ventilation component having a heat dissipation vent; and a fan duct detachably installed in the cabinet body, the fan duct having an air inlet and an air outlet; the air inlet being connected to the heat dissipation vent.

[0012] Technical solution eight, based on technical solution seven, further includes a fan, which is installed on the ventilation component and / or the air duct, and is used to drive airflow from the ventilation component into the air duct and then out through the air outlet.

[0013] Technical Solution Nine based on Technical Solution Seven: The ventilation assembly includes a reactor and a ventilation housing; the reactor includes a magnetic core and a coil, with the coil wound around the magnetic core; the magnetic core is higher than the coil in the Z-axis direction, and its portion protruding from the top of the coil forms a step with the top of the coil on at least one side in the X-axis direction; the ventilation housing covers the reactor, and a heat dissipation duct is formed inside it for dissipating heat from the reactor, and a step portion is provided corresponding to the step-shaped position formed by the magnetic core and the coil; the heat dissipation duct has a heat dissipation vent on at least one side in the X-axis direction, the heat dissipation vent is opened along the X-axis direction, and it is not lower than the reactor in the Z-axis direction; the air duct is disposed against the step portion of the ventilation housing, and its air inlet is connected to the corresponding heat dissipation vent.

[0014] Technical solution ten based on technical solution nine: The heat dissipation duct is connected to the bottom of the cabinet to allow air intake.

[0015] As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following beneficial effects:

[0016] Technical solution one provides a duct installation structure for installing the duct along the Y-axis into an installation channel. The installation channel and the duct are configured such that the seal does not interfere with other components before the duct enters the installation channel and moves to a first position. Since the seal can be located only at the heat dissipation vent, only at the air inlet, or simultaneously at both the heat dissipation vent and the air inlet, the situations where the seal does not interfere with other components can be categorized as follows: when the seal is only located at the heat dissipation vent, the edge of the duct will not touch the seal during installation; when the seal is only located at the air inlet... During the installation of the air duct, the seals will not come into contact with the components forming the installation channel. When seals are installed at both the heat dissipation vent and the air inlet, the seal at the heat dissipation vent will not come into contact with the edge of the air duct, and the seal at the air inlet will not come into contact with the components forming the installation channel. This design ensures that the seals will not fall off or be damaged due to external force during the installation of the air duct. However, increasing the size of the installation channel or decreasing the size of the air duct will prevent the heat dissipation vent and the air inlet from sealingly connecting after the air duct is installed in place.

[0017] Therefore, an abutment protrusion is provided on the third surface of the installation channel. During the installation of the air duct along the Y-axis, the air duct first reaches the first position, and then the air duct continues to move. The abutment protrusion begins to act on the air duct, causing the air duct to move toward the second surface. At this time, the distance between the heat dissipation air vent and the air inlet will get closer and closer until the air duct moves to the second position. At this time, the air duct is installed in place. At the same time, under the action of the abutment protrusion, the air duct moves toward the second surface to the closest position. At this time, the seal also fits tightly with the first surface, the second surface, or the corresponding other seal, so that the heat dissipation air vent and the air inlet can be sealed and connected.

[0018] This duct installation structure, by configuring the installation channel and the duct, and by setting an abutment protrusion on the third surface of the installation channel, solves the problem that the duct cannot be installed or the seals are damaged or displaced during the installation process when the duct outlet is perpendicular to the duct installation direction.

[0019] In technical solution two, a guide part and abutment part are provided on the abutment protrusion. The guide part can guide the air duct to smoothly change its direction of movement through the inclined guide surface, so that the air duct moves toward the second surface. The abutment part can abut against the air duct after the air duct reaches the second position to prevent the air duct from moving and to seal the connection between the heat dissipation air vent and the air inlet. At the same time, the abutment part extends along the Y-axis direction. When the air duct comes into contact with the abutment part, it can adjust its own position by the action of the abutment part, so that the air duct is adjusted from a posture that is slightly deviated from the Y-axis direction to a posture that is basically aligned with the Y-axis direction, thereby facilitating the positioning and locking of the air duct.

[0020] In technical solution three, a guide part and a positioning part can also be provided on the fourth surface of the air duct. The guide part cooperates with the abutting protrusion through the inclined guide surface, so that the air duct can smoothly change its direction of movement and move towards the second surface. The positioning part can abut with the abutting protrusion after the air duct reaches the second position to prevent the air duct from moving and to ensure that the heat dissipation air vent and the air inlet can be sealed and connected.

[0021] Technical solution four provides a cabinet that adopts the above-mentioned air duct installation structure, which can solve the problem that the air duct cannot be installed or the seals are damaged or displaced during the air duct installation process when the air outlet of the air duct is perpendicular to the air duct installation direction.

[0022] In technical solution six, the cabinet includes a side panel and a protruding part. The protrusion on the protruding part passes through the mounting through hole on the side panel to form an abutment protrusion. Setting up the abutment protrusion is more convenient, and the protruding part can be removed during later maintenance to facilitate the removal of the air duct. At the same time, when installing the air duct, the degree to which the protrusion passes through the mounting through hole can be adjusted, thereby adjusting the degree of protrusion of the abutment protrusion. This allows for adjustment according to the installation of the sealing parts, ensuring a sealed connection between the heat dissipation vent and the air inlet.

[0023] Technical solution seven provides an electrical cabinet that adopts the above-mentioned air duct installation structure, which can solve the problem that the air duct cannot be installed or the seals are damaged or displaced during the air duct installation process when the air outlet of the air duct is perpendicular to the air duct installation direction.

[0024] In technical solution eight, a fan is installed. The fan drives the airflow through the ventilation components into the air duct and then out through the air outlet, which can improve ventilation efficiency.

[0025] In technical solution nine, the ventilation component includes a reactor and a ventilation housing. The reactor generates heat during operation, and the heat dissipation duct formed inside the ventilation housing can dissipate heat from the reactor. The magnetic core and coil form a stepped notch, and the ventilation housing is adapted to the shape of the electrical components, forming a stepped section. The air duct can be installed close to the stepped section, thereby reducing the size of the ventilation housing and air duct in the X-axis direction, allowing for a more compact electrical cabinet. Furthermore, compared to a solution where both the air duct and the heat dissipation vent are located on top of the ventilation housing, the magnetic core protrudes from the heat-generating component in the Z-axis direction, resulting in the heat dissipation vent being too far from the coil. Since the coil generates more heat than the magnetic core, this solution is detrimental to coil heat dissipation. In this solution, both the heat dissipation vent and the air duct are located on the side of the reactor. The heat dissipation vent is closer to the coil than in the previous solution, and the distance from the magnetic core is also more suitable, allowing for simultaneous heat dissipation of both the magnetic core and the coil, resulting in higher overall heat dissipation efficiency.

[0026] In technical solution ten, the heat dissipation duct is connected to the bottom of the cabinet for air intake, making the ventilation path smoother. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments are briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of the electrical cabinet provided in an embodiment of the present invention;

[0029] Figure 2 This is a schematic diagram of the structure of the air duct and ventilation components in the electrical cabinet provided in an embodiment of the present invention;

[0030] Figure 3 This is a schematic diagram of the structure for installing side panels and protrusions in an electrical cabinet according to an embodiment of the present invention.

[0031] Explanation of key figure labels:

[0032] 1. Air duct; 2. Mounting channel; 3. First surface; 4. Air inlet; 5. Second surface; 6. Third surface; 7. Heat dissipation vent; 8. Sealing element; 9. Abutting protrusion; 10. Guide part; 11. Abutting part; 12. Guide surface; 13. Cabinet; 14. Ventilation assembly; 15. Mounting side panel; 16. Protrusion; 17. Fixing part; 18. Protrusion; 19. Electrical cabinet; 20. Ventilation housing; 21. Reactor; 22. Fan; 23. Air outlet; 24. Fourth surface; 25. Mounting through hole; 26. Stepped part. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are preferred embodiments of the present invention and should not be considered as excluding other embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0034] Unless otherwise expressly defined, the use of terms such as "first," "second," or "third" in the claims, description, and accompanying drawings of this invention is for distinguishing different objects and not for describing a specific order.

[0035] Unless otherwise expressly defined, in the claims, description, and accompanying drawings of this invention, the use of directional terms such as "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," and "counterclockwise" to indicate orientation or positional relationships is based on the orientation and positional relationships shown in the accompanying drawings and is only for the convenience of describing the invention and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the specific scope of protection of this invention.

[0036] Unless otherwise expressly defined, the terms "fixed connection" or "fixed connection" used in the claims, description and drawings of this invention should be interpreted broadly to refer to any connection in which there is no displacement or relative rotation relationship between the two parties, including non-removable fixed connection, detachable fixed connection, integral connection and fixed connection by other means or components.

[0037] In the claims, description and accompanying drawings of this invention, the terms "comprising," "having," and variations thereof are used to mean "including but not limited to."

[0038] Reference Figure 1 This invention provides an electrical cabinet 19. Figure 1 The portion shown includes part of the cabinet 13 of the electrical cabinet 19 and some components within the cabinet 13. It should be understood that... Figure 1 Some structures of the electrical cabinet 19 shown are hidden, such as the side panel of the cabinet 13 and other electrical components inside the cabinet 13.

[0039] In this embodiment, the electrical cabinet 19 is a converter. In other embodiments, the electrical cabinet 19 may be other types of electrical cabinets, such as energy storage cabinets, high-voltage cabinets, etc.

[0040] In this embodiment, the electrical cabinet 19 includes a cabinet body 13, a duct 1, and a ventilation assembly 14. This does not mean that the electrical cabinet 19 only includes these components; other components can be configured according to the type of electrical cabinet 19, and will not be elaborated here. The ventilation assembly 14 is a component requiring ventilation located inside the cabinet body 13. It may include electrical components and a ventilation housing 20. A heat dissipation duct is formed inside the ventilation housing 20 to ventilate and dissipate heat from the electrical components. In this embodiment, the electrical component in the ventilation assembly 14 is a reactor 21; in other embodiments, the electrical component in the ventilation assembly 14 may be other types, such as a transformer, power transistor, etc.

[0041] Furthermore, during installation, a specially designed installation structure for the ventilation duct 1 is employed to solve the installation problems of the ventilation duct 1. (Refer to...) Figure 1 The air duct 1 here is a rectangular air duct 1, which has an internal channel for airflow, through which hot air inside the cabinet 13 can be guided to the outside. (Refer to...) Figure 1 With the length of the ventilation duct 1 as the Y-axis, the X-axis and Z-axis are perpendicular to each other and simultaneously perpendicular to the Y-axis. It should be noted that the X-axis, Y-axis, and Z-axis here do not have unidirectional directionality; that is, they have bidirectional directionality. Furthermore, with the electrical cabinet 19 resting on the ground as a reference point, the X-axis is synonymous with left and right, the Y-axis with front and back, and the Z-axis with up and down. Moreover, these left and right, front and back, and up and down directions are defined by… Figure 2 The orientation of the Zhongdian Electric cabinet 19 is based on the paper.

[0042] Reference Figure 2 An air outlet 23 is provided at one end of the length direction of the air duct 1, and an air inlet 4 is provided on a first surface 3 perpendicular to the X-axis direction of the air duct 1. This first surface 3 is formed by the outward-facing surface of a side plate of the air duct 1 perpendicular to the X-axis direction. In this embodiment, a fan 22 is provided inside the air duct 1. This fan 22 is a centrifugal fan 22, and its position matches the position of the air inlet 4. It is used to drive the airflow from the air inlet 4 into the air duct 1 and out through the air outlet 23.

[0043] The air duct 1 is suitable for installation along the Y-axis to the installation channel 2. Here, the installation direction of the air duct 1 is a vector direction, as shown in the reference. Figure 2 It is readily apparent that the installation direction of the air duct 1 is along the Y-axis towards the cabinet 13. In this embodiment, the installation channel 2 is formed by the cooperation of the ventilation assembly 14 and the cabinet 13. The installation channel 2 has a second surface 5 and a third surface 6 opposite each other along the X-axis. In this embodiment, the second surface 5 is disposed on the ventilation assembly 14, and the third surface 6 is disposed on the cabinet 13. In other embodiments, both the second surface 5 and the third surface 6 can be disposed on the cabinet 13, or both can be disposed on the ventilation assembly 14. Since the ventilation assembly 14 is fixed inside the cabinet 13, and the air duct 1 is connected to the heat dissipation vent 7 of the ventilation assembly 14, any installation channel 2 that restricts the installation position of the air duct 1 is sufficient.

[0044] It is easy to understand that since the duct 1 is rectangular, the installation channel 2 can also be roughly regarded as a rectangular cavity for the duct 1 to enter. A heat dissipation vent 7 is provided on the second surface 5 of the installation channel 2, which is adapted to connect with the air inlet 4 of the duct 1. That is, when the duct 1 enters the installation channel 2 and is installed in place, the air inlet 4 of the duct 1 can connect with the heat dissipation vent 7 of the ventilation assembly 14, thereby connecting the air passage inside the duct 1 with the heat dissipation duct inside the ventilation housing 20, so that the heat of the electrical components in the ventilation assembly 14 can be carried away by the airflow.

[0045] Reference Figure 2 In this embodiment, the heat dissipation vent 7 is provided with a sealing element 8 protruding from the edge of the vent. The sealing element 8 is a sealing strip, which is adhered to the edge of the heat dissipation vent 7 and protrudes from the second surface 5. When the air duct 1 is installed in place, the sealing element 8 will fit tightly against the first surface 3 of the air duct 1, thereby allowing the heat dissipation vent 7 to be sealed and connected to the air inlet 4 of the air duct 1. It should be noted that in other embodiments, the sealing element 8 can have different installation forms. For example, the sealing element 8 can be installed on the edge of the air inlet 4 of the air duct 1, and when the air duct 1 is installed in place, the sealing element 8 can fit tightly against the second surface 5; or, a sealing element 8 can be provided on both the edge of the air inlet 4 of the air duct 1 and the edge of the heat dissipation vent 7, and when the air duct 1 is installed in place, these two sealing elements 8 can fit tightly against each other.

[0046] However, regardless of where the seal 8 is placed, if the installation structure of the air duct 1 is not improved, and the heat dissipation vent 7 and the air inlet 4 are required to be sealed and connected after the air duct 1 is installed, then the edge of the air duct 1 away from the air outlet 23 will inevitably interfere with the seal 8 at the position of the heat dissipation vent 7 during the process of inserting the air duct 1 into the installation channel 2. This will cause the seal 8 to be touched, pulled, and then fall off or be damaged by the air duct 1.

[0047] Therefore, in this embodiment, the following installation structure is adopted for the air duct 1: the installation channel 2 and the air duct 1 are configured such that the sealing element 8 does not interfere with other components before the air duct 1 enters the installation channel 2 and moves to the first position; the third surface 6 of the cabinet 13 is provided with an abutment protrusion 9 pointing to the second surface 5. The abutment protrusion 9 is used to push the air duct 1 toward the second surface 5 after the air duct 1 enters the installation channel 2 and moves to the first position, and to make the sealing element 8 tightly fit with the first surface 3, the second surface 5 or another corresponding sealing element 8 when the air duct 1 continues to move to the second position; when the air duct 1 is in the second position, the heat dissipation vent 7 and the air inlet 4 are sealed and connected through the sealing element 8.

[0048] Specifically, in this embodiment, the aforementioned installation channel 2 is formed by the cooperation of the ventilation assembly 14 and the cabinet 13. (Refer to...) Figure 1 The ventilation assembly 14 is installed inside the cabinet 13 at the midpoint along the Y-axis and X-axis. The ventilation housing 20 of the ventilation assembly 14 has shell plates on both the left and right sides, and the outer surfaces of these two shell plates form the second surface 5. Simultaneously, the frame of the cabinet 13 itself and the rear-mounted side plate 15 limit the movement range of the air duct 1 on the opposite side of the ventilation assembly 14. Thus, through the cooperation of the ventilation assembly 14 and the cabinet 13, an installation channel 2 is formed for the air duct 1 to be inserted and installed along the Y-axis. Furthermore, to avoid damaging the seal 8 at the heat dissipation vent 7 during the installation of the air duct 1, the size of the installation channel 2 is specifically set to be slightly larger than the size of the air duct 1. This ensures that the seal 8 will not be touched by the rear edge of the air duct 1 during insertion into the installation channel 2. Of course, in other embodiments, such as when the seal 8 is provided at the air inlet 4, or when the seal 8 is provided at both the heat dissipation vent 7 and the air inlet 4, the dimensions of the installation channel 2 and the dimensions of the air duct 1 also need to meet the above requirements to ensure that the fixed seal 8 will not be touched during the installation of the air duct 1.

[0049] The abutment protrusion 9 is provided on the third surface 6, which is a surface on the cabinet 13 opposite to the second surface 5 on the ventilation assembly 14. The second surface 5 and the third surface 6 cooperate to define the range of the installation channel 2 in the X-axis direction. For the installation of the air duct 1, it is only necessary to keep the third surface 6 as far away from the second surface 5 as possible to prevent damage to the seal 8 during the installation of the air duct 1. However, for the same reason, the air duct 1 is positioned in the X-axis direction by the second surface 5 and the third surface 6. If the third surface 6 is too far away from the second surface 5, the air inlet 4 on the air duct 1 will not be able to seal and connect with the heat dissipation vent 7 on the ventilation assembly 14. Therefore, the abutment protrusion 9 is provided. The abutment protrusion 9 protrudes from the third surface 6 toward the second surface 5. When the air duct 1 moves along the installation direction to the first position, the air duct 1 begins to touch the abutment protrusion 9. Then the air duct 1 continues to move along the installation direction, and the abutment protrusion 9 acts on the side surface of the air duct 1 facing the third surface 6. This surface is defined as the fourth surface 24. At this time, the abutment protrusion 9 will cause the installation direction of the air duct 1 to be slightly offset toward the second surface 5. When the air duct 1 moves along the installation direction to the second position, the overall offset of the air duct 1 toward the second surface 5 is already at a large degree. At this time, the air duct 1 is installed in place, and the seal 8 on the heat dissipation vent 7 is tightly attached to the first surface 3. The air inlet 4 and the heat dissipation vent 7 can be sealed and connected.

[0050] Among them, reference Figure 1 and Figure 3The abutting protrusion 9 is provided with a guide portion 10 and an abutting portion 11. The guide portion 10 is provided with a guide surface 12 that extends obliquely from the third surface 6 along the installation direction of the air duct 1 toward the second surface 5. The guide surface 12 is adapted to abut against the air duct 1 after the air duct 1 moves to the first position and push the air duct 1 toward the second surface 5. The abutting portion 11 is connected to the guide portion 10 and extends along the Y-axis direction. It is adapted to abut against the air duct 1 when the air duct 1 moves to the second position. Obviously, the guide part 10 is located in front of the abutment part 11, allowing it to contact the rear end of the air duct 1 earlier. The inclined guide surface 12 prevents the air duct 1 from being blocked by the abutment protrusion 9 when it touches it, allowing the air duct 1 to continue moving along the installation direction. Simultaneously, the guide part 10 guides the air duct 1 towards the second surface 5. When the rear end of the air duct 1 passes the guide part 10, the abutment protrusion 9 can fully abut against the fourth surface 24 on the air duct 1. Through the abutment of the abutment part 11 against the air duct 1, when the air duct 1 moves to the second position, the seal 8 on the heat dissipation vent 7 tightly adheres to the first surface 3. Furthermore, the abutment part 11 extends along the Y-axis. When the air duct 1 abuts against the abutment part 11, it can adjust its position by the action of the abutment part 11, changing its posture from slightly tilted towards the Y-axis to basically aligned with the Y-axis, thus facilitating the positioning and locking of the air duct 1. In this structure, the abutment part 11 and the second surface 5 cooperate to define the definite installation position of the air duct 1. The air duct 1 is sandwiched between the abutment part 11 and the second surface 5, and under the action of the two, its posture is basically extended along the Y-axis direction. This makes it more accurate and convenient to position and lock the end of the air duct 1.

[0051] Reference Figure 1 In this embodiment, the cabinet 13 includes a mounting side plate 15 and a protrusion 16. One side surface of the mounting side plate 15 forms a third surface 6, and it is provided with a mounting through hole 25 extending along the X-axis direction. The protrusion 16 is provided with a fixing part 17 and a protrusion 18. The fixing part 17 is fixedly mounted on the mounting side plate 15, and the protrusion 18 passes through the mounting through hole 25 and protrudes from the third surface 6 to form an abutment protrusion 9.

[0052] Specifically, the mounting side plate 15 is fixedly mounted on the support column of the cabinet 13, and a third surface 6 is formed on the side facing the inside of the cabinet 13. A mounting through hole 25 is provided on the mounting side plate 15, which penetrates the mounting side plate 15 along the X-axis direction. At the same time, a protrusion 16 is provided. The protrusion 16 is a sheet metal part, and fixing parts 17 are formed on both sides along the Y-axis direction. The fixing parts 17 can be used with bolts to fix the protrusion 16 to the mounting side plate 15. A protrusion 18 is provided between the two fixing parts 17. The protrusion 18 can be regarded as the sheet metal part of the protrusion 16 bent towards the inside of the cabinet 13. Two guide parts 10 and one abutment part 11 are formed on the protrusion 18. The abutment part 11 is located at the middle position of the protrusion 16 in the Y-axis direction. The two guide parts 10 are respectively located on the two sides of the abutment part 11 in the Y-axis direction, and the abutment part 11 is connected to the two fixing parts 17. When the protrusion 16 is correctly installed on the mounting side plate 15, the protrusion 18 just passes through the mounting through hole 25 on the mounting side plate 15, and the protrusion 18 faces the inside of the cabinet 13, thus forming a protruding abutment protrusion 9 on the third surface 6 formed by the mounting side plate 15. This method of setting the abutment protrusion 9 is more convenient, and during later maintenance, the protrusion 16 can be removed to facilitate the removal of the air duct 1. At the same time, when installing the air duct 1, the degree to which the protrusion 18 passes through the mounting through hole 25 can be adjusted, thereby adjusting the degree of protrusion of the abutment protrusion 9, which is convenient to adjust according to the installation of the seal 8, ensuring the sealed connection between the heat dissipation vent 7 and the air inlet 4.

[0053] Reference Figure 2 The ventilation assembly 14 includes a reactor 21 and a ventilation housing 20. The reactor 21 is fixedly mounted on the bottom support of the cabinet 13, and the ventilation housing 20 is fixedly mounted on the bottom support of the cabinet 13 and covers the reactor 21. The interior of the ventilation housing 20 forms a heat dissipation duct for heat dissipation of the reactor 21. The reactor 21 includes a magnetic core and a coil, with the coil wound around the magnetic core. The magnetic core is higher than the coil in the Z-axis direction, and its portion protruding from the top of the coil forms a step-like shape with the top of the coil on at least one side in the X-axis direction. The ventilation housing 20 covers the reactor 21, and its interior forms a heat dissipation duct for heat dissipation of the reactor 21. A step portion 26 is provided corresponding to the step-like position formed by the magnetic core and the coil. The heat dissipation duct has a heat dissipation vent 7 located on at least one side in the X-axis direction. The heat dissipation vent 7 is opened along the X-axis direction and is not lower than the reactor 21 in the Z-axis direction. The air duct 1 is disposed against the step portion 26 of the ventilation housing 20, and its air inlet 4 is connected to the corresponding heat dissipation vent 7.

[0054] Specifically, the heat dissipation duct has two heat dissipation vents 7 located at both ends in the X-axis direction. Two air ducts 1 are located at both ends of the ventilation housing 20 along the X-axis direction, and their respective air inlets 4 are connected to the corresponding heat dissipation vents 7. At the same time, the heat dissipation duct formed by the ventilation housing 20 is connected to the bottom of the cabinet 13 for air intake. The two heat dissipation vents 7 are both located on the upper side of the ventilation housing 20 and at both ends of the ventilation housing 20 in the X-axis direction. With this arrangement, when the heat dissipation duct is ventilated, cool air enters the heat dissipation duct from the bottom of the cabinet 13, passes through the reactor 21 and carries away the heat of the reactor 21, and then leaves the heat dissipation duct from the two heat dissipation vents 7 respectively. Overall, the heat dissipation efficiency of the reactor 21 on the left and right sides is more balanced. If only one heat dissipation vent 7 is set on one side, the heat dissipation efficiency on the side away from the heat dissipation vent 7 may decrease. Furthermore, the magnetic core and coil of the reactor 21 form a stepped notch, and the ventilation housing 20 is adapted to the shape of the electrical components, forming a stepped portion 26. The air duct 1 can be installed against the stepped portion 26, thereby reducing the size of the ventilation housing 20 and the air duct 1 in the X-axis direction, making the electrical cabinet 19 more compact. Compared to the scheme where the air duct 1 is placed on the top of the ventilation housing 20 and the heat dissipation vent 7 is also placed on the top of the ventilation housing 20, the magnetic core protrudes from the heat-generating component in the Z-axis direction. Therefore, this scheme would make the heat dissipation vent 7 too far from the coil, and since the heat generated by the coil is greater than that of the magnetic core, this scheme is not conducive to the heat dissipation of the coil. In this scheme, both the heat dissipation vent 7 and the air duct 1 are placed on the side of the reactor 21. The heat dissipation vent 7 is closer to the coil than in the previous scheme, and the distance from the magnetic core is also more appropriate, which can simultaneously dissipate heat from the magnetic core and the coil, resulting in higher overall heat dissipation efficiency.

[0055] The electrical cabinet 19 provided in this embodiment adopts a specially designed air duct 1 mounting structure. This air duct 1 mounting structure is used to install the air duct 1 along the Y-axis direction to the mounting channel 2. The mounting channel 2 and the air duct 1 are configured such that the seal 8 does not interfere with other components before the air duct 1 enters the mounting channel 2 and moves to the first position. Since the seal 8 can be provided only at the heat dissipation vent 7, only at the air inlet 4, or simultaneously at the heat dissipation vent 7 and the air inlet 4, there are several situations where the seal 8 does not interfere with other components: when the seal 8 is only provided at the heat dissipation vent 7, the air duct... 1. During installation, the edge of the air duct 1 will not touch the seal 8; when the seal 8 is only located at the air inlet 4, the seal 8 will not touch the component forming the installation channel 2 during the installation of the air duct 1; when the seal 8 is located at both the heat dissipation vent 7 and the air inlet 4, the seal 8 located at the heat dissipation vent 7 will not touch the edge of the air duct 1 during the installation of the air duct 1, and the seal 8 located at the air inlet 4 will not touch the component forming the installation channel 2; this arrangement ensures that the seal 8 will not fall off or be damaged due to external force during the installation of the air duct 1; however, it increases the safety... If the dimensions of the installation channel 2 are reduced or the dimensions of the air duct 1 are decreased, the air duct 1 will not be able to achieve a sealed connection between the heat dissipation vent 7 and the air inlet 4 after installation. Therefore, an abutment protrusion 9 is provided on the third surface 6 of the installation channel 2. During the installation of the air duct 1 along the Y-axis, the air duct 1 first reaches the first position. Then, as the air duct 1 continues to move, the abutment protrusion 9 begins to act on the air duct 1, causing it to move towards the second surface 5. At this time, the distance between the heat dissipation vent 7 and the air inlet 4 will gradually decrease until the air duct 1 moves to the second position, at which point the air duct 1 is fully installed. Under the action of the abutment protrusion 9, the air duct 1 moves toward the second surface 5 to the closest position. At this time, the sealing element 8 also fits tightly with the first surface 3, the second surface 5, or the corresponding other sealing element 8, so that the heat dissipation air vent 7 and the air inlet 4 can be sealed and connected. This air duct 1 installation structure, by configuring the installation channel 2 and the air duct 1, and setting the abutment protrusion 9 on the third surface 6 of the installation channel 2, solves the problem that the air duct 1 cannot be installed or the sealing element 8 is damaged or displaced during the installation of the air duct 1 when the air outlet 23 of the air duct 1 is perpendicular to the installation direction of the air duct 1.

[0056] Example 2

[0057] Example 2 provides an electrical cabinet 19, which differs from Example 1 in that the abutment protrusion 9 and the air duct 1 in Example 2 have different structures.

[0058] In this embodiment, the abutting protrusion 9 can be directly set as a separate protrusion structure, which does not require the guide portion 10. This is because, in this embodiment, the structure that serves as the guide portion 10 is set on the air duct 1. Specifically, the air duct 1 has a fourth surface 24 perpendicular to the X-axis direction and opposite to the first surface 3. The fourth surface 24 has a guide portion and a positioning portion. The guide portion has a guide surface that extends obliquely from the fourth surface 24 along the installation direction of the air duct 1 toward the first surface 3. The guide surface is adapted to abut against the abutting protrusion 9 after the air duct 1 moves to the first position, so that the air duct 1 moves toward the second surface 5 under the action of the abutting protrusion 9. The positioning portion is connected to the guide portion and is adapted to abut against the abutting protrusion 9 when the air duct 1 moves to the second position.

[0059] In this embodiment, the guide portion on the fourth surface 24 can be a groove provided on the fourth surface 24 of the air duct 1. The groove extends along the Y-axis direction, and the bottom of the groove forms the aforementioned guide surface. The size of the groove can be adapted to the abutment protrusion 9. When the air duct 1 moves to the first position, the abutment protrusion 9 just enters the groove. Then, the abutment protrusion 9 begins to abut against the bottom of the groove, thereby pushing the air duct 1 towards the second surface 5. The positioning portion on the fourth surface 24 can be a surface that contacts the guide portion. In fact, a part of the fourth surface 24 itself can form the positioning portion. When the air duct 1 moves to the second position, the abutment protrusion 9 abuts against the positioning portion. At this time, the sealing member 8 at the heat dissipation vent 7 is tightly fitted with the first surface 3, and the heat dissipation vent 7 and the air inlet 4 are sealed and connected.

[0060] Of course, in other embodiments, the guide portion on the fourth surface 24 can be an inclined surface formed by the side plate of the air duct 1, which can guide the abutment protrusion 9 to abut against the fourth surface 24 of the air duct 1.

[0061] The foregoing description of the specifications and embodiments is intended to explain the scope of protection of this invention, but does not constitute a limitation on the scope of protection of this invention. Modifications, equivalent substitutions, or other improvements to the embodiments of this invention or a portion thereof that can be obtained by those skilled in the art through logical analysis, reasoning, or limited experimentation, based on the teachings of this invention or the foregoing embodiments, in conjunction with common knowledge, general technical knowledge, and / or existing technology, should all be included within the scope of protection of this invention.

Claims

1. A duct (1) mounting structure for mounting the duct (1) along the Y-axis to an mounting channel (2), characterized in that: The air duct (1) has an air inlet (4) on a first surface (3) perpendicular to the X-axis direction; the mounting channel (2) has a second surface (5) and a third surface (6) opposite to each other along the X-axis direction, the second surface (5) has a heat dissipation vent (7), the heat dissipation vent (7) is adapted to connect with the air inlet (4); the heat dissipation vent (7) and / or the air inlet (4) have a sealing element (8) protruding from the edge of the vent; The installation channel (2) and the air duct (1) are configured such that the seal (8) does not interfere with other components before the air duct (1) enters the installation channel (2) and moves to the first position; The third surface (6) is provided with an abutting protrusion (9) pointing towards the second surface (5); the abutting protrusion (9) is used to push the air duct (1) toward the second surface (5) after the air duct (1) enters the installation channel (2) and moves to the first position, and to make the sealing member (8) fit tightly with the first surface (3), the second surface (5) or the corresponding other sealing member (8) when the air duct (1) continues to move to the second position; When the air duct (1) is in the second position, the heat dissipation vent (7) and the air inlet (4) are connected in a sealed manner through the sealing member (8).

2. The installation structure of the ventilation duct (1) as described in claim 1, characterized in that, The abutting protrusion (9) is provided with a guide portion (10) and an abutting portion (11); the guide portion (10) is provided with a guide surface (12) extending obliquely from the third surface (6) along the installation direction of the air duct (1) toward the second surface (5), the guide surface (12) is adapted to abut against the air duct (1) and push the air duct (1) toward the second surface (5) after the air duct (1) moves to the first position; the abutting portion (11) is connected to the guide portion (10) and extends along the Y-axis direction, it is adapted to abut against the air duct (1) when the air duct (1) moves to the second position.

3. The installation structure of the ventilation duct (1) as described in claim 1 or 2, characterized in that, The air duct (1) is provided with a fourth surface (24) perpendicular to the X-axis and opposite to the first surface (3). The fourth surface (24) is provided with a guide portion and a positioning portion. The guide portion is provided with a guide surface that extends obliquely from the fourth surface (24) along the installation direction of the air duct (1) toward the first surface (3). The guide surface is adapted to abut against the abutting protrusion (9) after the air duct (1) moves to the first position so that the air duct (1) moves toward the second surface (5) under the action of the abutting protrusion (9). The positioning portion is connected to the guide portion and is adapted to abut against the abutting protrusion (9) when the air duct (1) moves to the second position.

4. A cabinet (13), characterized in that: The internal cavity of the cabinet (13) is suitable for installing a duct (1) and a ventilation assembly (14) for ventilation to the outside through the duct (1). The duct (1) has an air inlet (4) on a first surface (3) perpendicular to the X-axis direction. The ventilation assembly (14) has a heat dissipation vent (7) on a second surface (5) perpendicular to the X-axis direction. The heat dissipation vent (7) is suitable for docking and communicating with the air inlet (4). The heat dissipation vent (7) and / or the air inlet (4) are provided with a sealing element (8) protruding from the edge of the vent. The cabinet (13) is provided with a third surface (6) perpendicular to the X-axis, and the third surface (6) is provided with an abutment protrusion (9); when the ventilation component (14) is installed in the cabinet (13), the third surface (6) faces the second surface (5), and the abutment protrusion (9) points to the second surface (5); The third surface (6) is adapted to cooperate with the second surface (5) to form an installation channel (2) for the air duct (1) to be installed to the cabinet (13) along the Y-axis direction. The installation channel (2) is configured to allow the air duct (1) to be moved smoothly to the first position during installation. The abutment protrusion (9) is configured to push the air duct (1) toward the second surface (5) after the air duct (1) moves to the first position, and to make the seal (8) fit tightly against the first surface (3), the second surface (5) or another corresponding seal (8) when the air duct (1) continues to move to the second position, so that the heat dissipation vent (7) and the air inlet (4) are sealed and connected through the seal (8).

5. A cabinet (13) as described in claim 4, characterized in that, The abutting protrusion (9) is provided with a guide portion (10) and an abutting portion (11); the guide portion (10) is provided with a guide surface (12) extending obliquely from the third surface (6) along the installation direction of the air duct (1) toward the second surface (5), the guide surface (12) is adapted to abut against the air duct (1) and push the air duct (1) toward the second surface (5) after the air duct (1) moves to the first position; the abutting portion (11) is connected to the guide portion (10) and extends along the Y-axis direction, it is adapted to abut against the air duct (1) when the air duct (1) moves to the second position.

6. A cabinet (13) as described in claim 4 or 5, characterized in that, The cabinet (13) includes a mounting side panel (15) and a protrusion (16); one side surface of the mounting side panel (15) forms the third surface (6), and it is provided with a mounting through hole (25) extending along the X-axis; the protrusion (16) is provided with a fixing part (17) and a protrusion (18), the fixing part (17) is fixedly installed on the mounting side panel (15), and the protrusion (18) passes through the mounting through hole (25) and protrudes from the third surface (6) to form the abutment protrusion (9).

7. An electrical cabinet (19), characterized in that, include: The cabinet (13) as described in any one of claims 4-6; A detachable ventilation assembly (14) installed within the cabinet (13), the ventilation assembly (14) having a heat dissipation vent (7); and A detachable air duct (1) is installed inside the cabinet (13). The air duct (1) is provided with an air inlet (4) and an air outlet (23). The air inlet (4) is connected to the heat dissipation vent (7).

8. An electrical cabinet (19) as described in claim 7, characterized in that, It also includes a fan (22), which is installed in the ventilation assembly (14) and / or the air duct (1) and is used to drive airflow from the ventilation assembly (14) into the air duct (1) and then out through the air outlet (23).

9. An electrical cabinet (19) as described in claim 7, characterized in that, The ventilation assembly (14) includes a reactor (21) and a ventilation housing (20); the reactor (21) includes a magnetic core and a coil, with the coil wound around the magnetic core; the magnetic core is higher than the coil in the Z-axis direction, and the portion of the magnetic core protruding from the top of the coil is stepped on at least one side of the top of the coil in the X-axis direction; the ventilation housing (20) covers the reactor (21), and a heat dissipation duct is formed inside it for dissipating heat from the reactor (21), and a step portion (26) is provided corresponding to the step-shaped position formed by the magnetic core and the coil; the heat dissipation duct is provided with a heat dissipation vent (7) located on at least one side in the X-axis direction, the heat dissipation vent (7) is opened along the X-axis direction, and it is not lower than the reactor (21) in the Z-axis direction; the air duct (1) is disposed against the step portion (26) of the ventilation housing (20), and its air inlet (4) is connected to the corresponding heat dissipation vent (7).

10. An electrical cabinet (19) as described in claim 9, characterized in that, The heat dissipation duct is connected to the bottom of the cabinet (13) for air intake.

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