Sealing type structure of narrow-body driver shell

Abstract

The utility model discloses a sealing type structure of a narrow body driver shell, which comprises a bottom plate, a panel and a containing cavity, the containing cavity is formed by surrounding an outer plate and a side plate, the bottom plate and the panel are respectively arranged at the bottom and the top of the outer plate, the containing cavity is sealed by the panel and the bottom plate, the outer plate is U-shaped, a partition plate is arranged in the outer plate, and the side plate is arranged in the partition plate. A partition plate is arranged in the containing cavity and divides the containing cavity into a heat dissipation cavity and a closed cavity, heat dissipation holes are formed in the two ends of the heat dissipation cavity, a fan is arranged at one end of the heat dissipation cavity, and the closed cavity is used for containing electronic components; according to the sealing structure of the narrow-body driver shell, the outer plate, the side plates, the partition plate, the bottom plate and the panel are matched to form the sealed cavity, the silica gel foam is matched to seal gaps, the sealing performance is good, electronic components such as the circuit board and the capacitor which are high in heat productivity are all arranged on the partition plate, heat can be quickly conducted to the partition plate, and the service life is prolonged. And a heat dissipation cavity and a fan are arranged, so that the heat of the partition plate is quickly dissipated through air cooling.

Description

Technical Field

[0001] The utility model relates to a driver technology, in particular to a sealing structure of a narrow-body driver shell. Background Art

[0002] Frequency converter, also called variable frequency drive or drive controller, can be translated as Inverter (same as inverter in English). Frequency converter is a kind of adjustable speed drive system, which uses variable frequency drive technology to change the frequency and amplitude of the working voltage of AC motor to smoothly control the speed and torque of AC motor. The most common one is AC / AC converter whose input and output are both AC.

[0003] However, there are a large number of electronic components in the drive, so it is extremely sensitive to water, oil and dust in the use environment, which can easily cause short circuits in the electronic components. Therefore, the existing drive needs to be equipped with a separate sealing structure in the use environment for sealing protection, which takes up a large space and is time-consuming and labor-intensive to install. In addition, the inverter will generate a lot of heat, and the sealing mechanism will affect the heat dissipation efficiency of the drive. Utility Model Content

[0004] In order to solve the defects of the prior art mentioned above, the utility model provides a sealing structure of a narrow-body driver housing, which has good sealing performance and can quickly dissipate heat.

[0005] To achieve the above technical objectives, the utility model adopts the following technical solutions: a sealed structure of a narrow-body driver housing, comprising a bottom plate, a panel and a accommodating cavity, wherein the accommodating cavity is formed by surrounding an outer plate and a side plate, the bottom plate and the panel are respectively arranged at the bottom and the top of the outer plate, the panel and the bottom plate enclose the accommodating cavity, the outer plate is U-shaped, a partition is arranged inside the outer plate, the partition divides the accommodating cavity into a heat dissipation cavity and a closed cavity, heat dissipation holes are arranged at both ends of the heat dissipation cavity, a fan is arranged at one end of the heat dissipation cavity, and the closed cavity is used to accommodate electronic components.

[0006] Preferably, a dust-proof filter is provided on the heat dissipation hole.

[0007] Preferably, a circuit board mounting portion and a capacitor mounting portion are provided on the partition, a circuit board is fixed on the circuit board mounting portion, a capacitor is fixed on the capacitor mounting portion, and both the circuit board and the capacitor are against the partition.

[0008] Preferably, protrusions are provided on both sides of the side plate, the protrusions are in contact with the outer plate, the protrusions are provided with assembly holes, the assembly holes are matched with fastening bolts, and the fastening bolts fix the protrusions to the outer plate.

[0009] Preferably, the outer panel and the side panel are provided with a convex plate at one end facing the panel, the panel is extended toward the bottom plate on all sides to form a sealing part, the inner wall of the sealing part abuts against the outer wall of the convex plate, and the sealing part and the convex plate are fixed by fixing bolts.

[0010] Preferably, silicone foam is provided around the partition and the side panels.

[0011] Preferably, a top plate is provided on the top of the base plate, a mounting hole is provided on the top plate, a support plate is provided at the bottom of the base plate, and a downwardly disposed mounting groove is provided on the support plate.

[0012] Preferably, the panel is provided with a display screen and an interface, and the interface is electrically connected to the circuit board, the capacitor and the motor.

[0013] In summary, the utility model has achieved the following technical effects:

[0014] The sealed structure of the narrow-body driver housing of the utility model adopts an outer plate, a side plate, a partition plate, a bottom plate and a panel to form a closed cavity, and silicone foam is used to seal the gap, so the sealing performance is good, and the electronic components with high heat generation such as circuit boards and capacitors are arranged on the partition, which is conducive to the rapid conduction of heat to the partition, and by arranging a heat dissipation cavity and a fan, the partition is quickly cooled by air cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the sealing structure of the narrow-body driver housing of the utility model;

[0016] Figure 2 It is a side view of the sealing structure of the narrow-body driver housing of the utility model;

[0017] Figure 3 It is a structural schematic diagram of a panel of a sealed structure of a narrow-body driver housing of the utility model;

[0018] Figure 4 It is a structural schematic diagram of a side plate of a sealed structure of a narrow-body driver housing of the utility model;

[0019] Explanation of the reference numerals in the specification: 1. bottom plate; 2. outer plate; 3. partition; 4. enclosed cavity; 5. heat dissipation cavity; 6. top plate; 7. support plate; 8. mounting hole; 9. mounting groove; 10. convex plate; 11. fan; 12. circuit board mounting part; 13. capacitor mounting part; 14. panel; 15. display screen; 16. interface; 17. side panel; 18. assembly hole. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] Embodiment 1:

[0027] like Figure 1 -2 shows a sealed structure of a narrow-body driver housing, comprising a bottom plate 1, a panel 14 and a accommodating cavity, wherein the accommodating cavity is formed by surrounding an outer plate 2 and a side plate 17, wherein the bottom plate 1 and the panel 14 are respectively arranged at the bottom and the top of the outer plate 2, wherein the panel 14 and the bottom plate 1 enclose the accommodating cavity, wherein the outer plate 2 is U-shaped, wherein a partition 3 is arranged inside the outer plate 2, wherein the partition 3 divides the accommodating cavity into a heat dissipation cavity 5 and a closed cavity 4, wherein heat dissipation holes are arranged at both ends of the heat dissipation cavity 5, wherein a fan 11 is arranged at one end of the heat dissipation cavity 5, and the closed cavity 4 is used for accommodating electronic components; wherein the outer plate 2 is directly welded to the bottom plate 1.

[0028] A dustproof filter is arranged on the heat dissipation hole.

[0029] The partition 3 is provided with a circuit board mounting portion 12 and a capacitor mounting portion 13 . A circuit board is fixed on the circuit board mounting portion 12 , and a capacitor is fixed on the capacitor mounting portion 13 . Both the circuit board and the capacitor are in contact with the partition 3 .

[0030] like Figure 4 As shown, both sides of the side plate 17 are provided with protrusions, the protrusions are in contact with the outer plate 2, the protrusions are provided with assembly holes 18, the assembly holes 18 are matched with fastening bolts, and the fastening bolts fix the protrusions and the outer plate 2.

[0031] The outer panel 2 and the side panel 17 are both provided with a convex plate 10 at one end facing the panel 14. The panel 14 is extended toward the bottom plate 1 on all sides to form a sealing portion. The inner wall of the sealing portion abuts against the outer wall of the convex plate 10, and the sealing portion is fixed to the convex plate 10 by fixing bolts. The arrangement of the convex plate 10, the protrusion and the sealing portion facilitates the assembly of the outer panel 2, the side panel 17 and the panel 14, and improves the sealing performance.

[0032] The partition plate 3 and the side plate 17 are all surrounded by silicone foam.

[0033] A top plate 6 is provided on the top of the bottom plate 1 , and a mounting hole 8 is provided on the top plate 6 . A support plate 7 is provided on the bottom of the bottom plate 1 , and a mounting groove 9 is provided on the support plate 7 facing downward.

[0034] like Figure 3 As shown, the panel 14 is provided with a display screen 15 and an interface 16 , and the interface 16 is electrically connected to the circuit board, the capacitor and the motor.

[0035] During assembly, first install the electronic components on the partition 3, then place the partition 3 in the accommodating cavity and fix the partition 3 with a locking pin, then dock the side panel 17 with the outer panel 2, and affix silicone foam around the partition 3 and the side panel 17 to further improve the sealing performance, then install the panel 14 to cover the accommodating cavity, and at the same time seal the sealed cavity 4 to protect the electronic components from contact with water, oil and dust, which are substances that can easily cause short circuits in the electronic components.

[0036] The sealed structure of the narrow-body driver housing of the present embodiment adopts an outer plate 2, a side plate 17, a partition plate 3, a bottom plate 1 and a panel 14 to form a closed cavity 4, and silicone foam is used to seal the gaps, so the sealing performance is good. In addition, electronic components with high heat generation, such as circuit boards and capacitors, are arranged on the partition plate 3, which is conducive to the rapid conduction of heat to the partition plate 3. By arranging a heat dissipation cavity 5 and a fan 11, the partition plate 3 is quickly cooled by air cooling.

[0037] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A sealed structure of a narrow-body drive housing, characterized in that: The invention comprises a bottom plate, a panel and a accommodating cavity, wherein the accommodating cavity is formed by surrounding an outer plate and a side plate, wherein the bottom plate and the panel are respectively arranged at the bottom and the top of the outer plate, wherein the panel and the bottom plate seal the accommodating cavity, wherein the outer plate is U-shaped, and a partition is arranged inside the outer plate, wherein the partition separates the accommodating cavity into a heat dissipation cavity and a closed cavity, heat dissipation holes are arranged at both ends of the heat dissipation cavity, a fan is arranged at one end of the heat dissipation cavity, and the closed cavity is used to accommodate electronic components.

2. The sealing structure of a narrow-body drive housing according to claim 1, characterized in that: A dustproof filter is arranged on the heat dissipation hole.

3. The sealing structure of a narrow-body drive housing according to claim 1, characterized in that: The partition is provided with a circuit board mounting portion and a capacitor mounting portion, a circuit board is fixed on the circuit board mounting portion, a capacitor is fixed on the capacitor mounting portion, and both the circuit board and the capacitor are against the partition.

4. The sealing structure of a narrow-body drive housing according to claim 1, characterized in that: Both sides of the side plate are provided with protrusions, the protrusions are against the outer plate, the protrusions are provided with assembly holes, the assembly holes are matched with fastening bolts, and the fastening bolts fix the protrusions and the outer plate.

5. The sealing structure of a narrow-body drive housing according to claim 1, characterized in that: The outer plate and the side plate are provided with a convex plate at one end facing the panel, and the panel is extended toward the bottom plate to form a sealing part. The inner wall of the sealing part abuts against the outer wall of the convex plate, and the sealing part and the convex plate are fixed by fixing bolts.

6. The sealing structure of a narrow-body drive housing according to claim 1, characterized in that: The partition plate and the side plate are all surrounded by silica gel foam.

7. The sealing structure of a narrow-body drive housing according to claim 1, characterized in that: A top plate is provided on the top of the bottom plate, a mounting hole is provided on the top plate, a support plate is provided at the bottom of the bottom plate, and a mounting groove is provided on the support plate facing downward.

8. The sealing structure of a narrow-body drive housing according to claim 3, characterized in that: The panel is provided with a display screen and an interface, and the interface is electrically connected to the circuit board, the capacitor and the motor.

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