Machine base of frequency conversion all-in-one machine

By designing the structure of connecting the motor cavity and the inverter cavity in the base of the frequency converter, the problem of difficulty in connecting the motor and the inverter is solved, convenient connection and efficient connection are achieved, and the sealing and explosion-proof performance of the motor are improved.

CN223230967UActive Publication Date: 2025-08-15YONGJI KIRIN ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202422512400.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-08-15
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

The connection between the motor and the inverter in the base of the existing frequency converter is difficult, resulting in insufficiency of connection.

Method used

A machine base for a frequency conversion all-in-one machine is designed, including the motor cavity and the inverter cavity in the cylinder are connected through the central hole of the partition plate, and the junction box is arranged outside the cylinder and communicates with the inverter cavity, so that the structure simplifies the connection path.

Benefits of technology

It realizes convenient connection between the motor and the inverter, simplifies the wiring process, improves the connection efficiency, and enhances the sealing and explosion-proof performance of the motor.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223230967U_ABST
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Abstract

The utility model discloses a base of a frequency conversion all-in-one machine, and belongs to the technical field of motor bases. The base of the frequency conversion all-in-one machine comprises a barrel and a junction box, the barrel internally comprises a motor cavity, a frequency converter cavity and a partition plate, and the base is characterized in that a hole is formed in the center of the partition plate, the motor cavity is formed in the left side of the barrel, the frequency converter cavity is formed in the right side of the barrel, and the motor cavity and the frequency converter cavity are communicated through the hole of the partition plate; and the junction box is arranged on the outer side of the cylinder body and is communicated with the frequency converter cavity. According to the utility model, the motor cavity is communicated with the frequency converter cavity, the base structure is simplified, the wiring efficiency of the frequency converter and the motor is improved, and the number of outgoing lines is less than that of other base structures, so that the wiring is more convenient.
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Description

Technical Field

[0001] The utility model belongs to the technical field of motor bases, and in particular relates to a base of a frequency conversion all-in-one machine. Background Art

[0002] With the use of variable-frequency motors, the level of industrial automation and production efficiency has greatly increased, leading to the emergence of all-in-one variable-frequency motors. These motors directly integrate the inverter and motor into a single unit, enhancing motor efficiency and control precision. These motors feature a simple design, eliminating the need for external wiring, reducing electrical equipment space, improving system stability, and offering robust environmental and energy-saving features.

[0003] At present, the motor and the frequency converter in the base of the existing frequency conversion all-in-one machine have the problem of many connections and difficulty in connection. Therefore, it is necessary to provide a base for the frequency conversion all-in-one machine. Utility Model Content

[0004] Technical problem solved: In response to the problem of difficulty in connecting the motor and the frequency converter in the existing frequency conversion all-in-one machine base, the utility model provides a frequency conversion all-in-one machine base, which can solve the connection problem and improve efficiency through structural improvements.

[0005] Technical solution: The utility model provides a base of a frequency conversion all-in-one machine, including a cylinder and a junction box. The cylinder includes a motor cavity, a frequency converter cavity, and a partition. A hole is provided in the center of the partition. The motor cavity is provided on the left side of the cylinder, and the frequency converter cavity is provided on the right side of the cylinder. The motor cavity and the frequency converter cavity are connected through the partition and the hole; the junction box is provided on the outside of the cylinder and is connected to the frequency converter cavity.

[0006] Furthermore, the junction box is arranged above the inverter cavity, and a junction box assembly is arranged in the junction box cavity.

[0007] Furthermore, the right side of the inverter cavity is connected to the outside.

[0008] Furthermore, a plurality of bosses are provided in the circumferential direction of the partition, and each of the bosses is composed of a first curved segment, a second straight segment, a third straight segment, a fourth straight segment and a fifth curved segment connected in sequence, and the other ends of the first curved segment and the fifth curved segment are respectively connected to the partition; the first curved segment and the fifth curved segment are symmetrically arranged along the midline of the third straight segment, and the second straight segment and the fourth straight segment are symmetrically arranged along the midline of the third straight segment.

[0009] Furthermore, the bosses are evenly distributed on the outer side of the partition, and the angle between the second dovetail groove straight section and the fourth dovetail groove straight section is 15°.

[0010] Furthermore, a lifting lug is provided in the middle of the upper end of the outer side of the cylinder.

[0011] Furthermore, a flange is provided at one end of the outer side of the cylinder, and a ring plate is provided at the other end, and the flange is provided at the end away from the junction box.

[0012] Furthermore, the outer side of the cylinder is also provided with a patch plate, multiple ring ribs 1, multiple ring ribs 2 and multiple patch blocks; the patch blocks are evenly arranged between the flange and the first ring rib 1, the patch plate is connected to the ring rib 1, and the ring rib 2 is connected to the junction box.

[0013] Furthermore, the thickness of the ring ribs 1 and 2 is 5 mm, and the distance between two adjacent ring ribs is 15 mm.

[0014] Beneficial Effects: The present invention provides a base for a frequency converter integrated machine, which has the following beneficial effects: The base is provided with a frequency converter cavity and a motor cavity. The frequency converter cavity is located on the left side of the cylinder, and the motor cavity is located on the right side of the cylinder. The frequency converter cavity and the motor cavity are connected through a central hole in the partition. This makes connecting the motor and frequency converter more convenient, eliminates wiring difficulties, and simplifies the base structure. In addition, all wiring is connected through the interior of the base, which can improve the sealing of the motor and enhance the explosion-proof performance of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0017] Figure 3 It is a three-dimensional diagram of the utility model;

[0018] Figure 4 This is a structural diagram of the partition of the present utility model.

[0019] Reference numerals:

[0020] 1. Cylinder; 2. Junction box; 3. Motor cavity; 4. Inverter cavity; 5. Partition; 6. Lifting lug; 7. Ring rib 1; 8. Ring rib 2; 9. Ring plate;

[0021] 21. Junction box assembly;

[0022] 31. Patch block; 32. Plate; 33. Flange;

[0023] 41. First curved segment; 42. Second straight segment; 43. Third straight segment; 44. Fourth straight segment; 45. Fifth curved segment. DETAILED DESCRIPTION

[0024] The following embodiments further illustrate the base of a frequency conversion all-in-one machine of the present invention with reference to the accompanying drawings.

[0025] like Figure 1-4 As shown, the base of a frequency converter integrated machine of the present invention includes a cylinder 1 and a junction box 2. The cylinder 1 includes a motor cavity 3, a frequency converter cavity 4, and a partition 5. The partition 5 is arranged in the middle of the cylinder 1. A hole is provided in the center of the partition 5. The motor cavity 3 is arranged on the left side of the cylinder 1, and the frequency converter cavity 4 is arranged on the right side of the cylinder 1. The motor cavity 3 and the frequency converter cavity 4 are connected through the hole of the partition 5; the junction box 2 is arranged on the outside of the cylinder 1 and is connected to the frequency converter cavity 4. The wiring starts from the motor cavity, passes through the frequency converter cavity, and is connected to the junction box through the connecting terminal. This structure makes the connection between the motor and the frequency converter more convenient, the structure is simpler, and there will be no wiring difficulties. In addition, all the connections are connected through the inside of the base, which can improve the sealing of the motor and increase the explosion-proof performance of the motor.

[0026] The junction box 2 is arranged above the inverter cavity 4 , and a junction box assembly 21 is arranged in the cavity of the junction box 2 .

[0027] The right side of the inverter cavity 4 is connected to the outside.

[0028] The partition 5 is provided with multiple bosses in the circumferential direction, and each of the bosses is composed of a first curved segment 41, a second straight segment 42, a third straight segment 43, a fourth straight segment 44, and a fifth curved segment 45 connected in sequence. The other ends of the first curved segment 41 and the fifth curved segment 45 are respectively connected to the partition 5; the first curved segment 41 and the fifth curved segment 45 are symmetrically arranged along the center line of the third straight segment 43, and the second straight segment 42 and the fourth straight segment 44 are symmetrically arranged along the center line of the third straight segment 43.

[0029] The bosses are evenly distributed on the outer side of the partition 5 , and the angle between the second straight segment 42 and the fourth straight segment 44 is 15°.

[0030] A flange 33 is provided at one end of the outer side of the cylinder 1 , and a ring plate 9 is provided at the other end. The flange 33 is provided at the end away from the junction box 2 .

[0031] A lifting lug 6 is provided in the middle of the upper end of the outer side of the cylinder 1 for lifting.

[0032] A flange 33 is provided at one end of the outer side of the cylinder 1 , and a ring plate 9 is provided at the other end. The flange 33 is provided at the end away from the junction box 2 .

[0033] The outer side of the cylinder 1 is also provided with a plate 32, multiple ring ribs 7, multiple ring ribs 8 and multiple patch blocks 31; the patch block 31 is arranged between the flange 33 and the first ring rib 7, the plate 32 is connected to the ring rib 7, and the ring rib 8 is connected to the junction box 2.

[0034] The thickness of the ring rib 1 7 and the ring rib 2 8 are both 5 mm, and the distance between two adjacent ring ribs is 15 mm.

[0035] The above is a detailed introduction to the embodiments of the present invention. For those skilled in the art, according to the ideas of the embodiments of the present invention, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A base of a frequency converter, comprising a cylinder (1) and a junction box (2), wherein the cylinder (1) comprises a motor cavity (3), a frequency converter cavity (4) and a partition (5), and is characterized in that: A hole is provided at the center of the partition (5); the motor cavity (3) is provided on the left side of the cylinder (1); the frequency converter cavity (4) is provided on the right side of the cylinder (1); the motor cavity (3) and the frequency converter cavity (4) are connected through the hole of the partition (5); and the junction box (2) is provided outside the cylinder (1) and is connected to the frequency converter cavity (4).

2. The base of the frequency converter according to claim 1, characterized in that: The junction box (2) is arranged above the inverter cavity (4), and a junction box assembly (21) is arranged in the cavity of the junction box (2).

3. The base of the frequency converter according to claim 1, characterized in that: The right side of the frequency converter cavity (4) is in communication with the outside world.

4. The base of the frequency converter according to claim 1, characterized in that: The partition (5) is provided with a plurality of bosses in the circumferential direction, each of the bosses being formed by sequentially connecting a first curved segment (41), a second straight segment (42), a third straight segment (43), a fourth straight segment (44) and a fifth curved segment (45), the other ends of the first curved segment (41) and the fifth curved segment (45) being connected to the partition (5), respectively; the first curved segment (41) and the fifth curved segment (45) are symmetrically arranged along the midline of the third straight segment (43), and the second straight segment (42) and the fourth straight segment (44) are symmetrically arranged along the midline of the third straight segment (43).

5. The base of the frequency converter according to claim 4, characterized in that: The bosses are evenly distributed on the outside of the partition (5), and the angle between the second straight line segment (42) and the fourth straight line segment (44) is 15°.

6. The base of the frequency converter according to claim 1, characterized in that: A lifting lug (6) is provided in the middle of the upper end of the outer side of the cylinder (1).

7. The base of the frequency converter according to claim 1, characterized in that: A flange (33) is provided at one end of the outer side of the cylinder (1), and a ring plate (9) is provided at the other end. The flange (33) is provided at the end away from the junction box (2).

8. The base of the frequency converter according to claim 7, characterized in that: The outer side of the cylinder (1) is further provided with a patch plate (32), a plurality of annular ribs (7), a plurality of annular ribs (8) and a plurality of patch blocks (31); The patch blocks (31) are evenly arranged between the flange (33) and the first ring rib (7), the patch plate (32) is connected to the ring rib (7), and the second ring rib (8) is connected to the junction box (2).

9. The base of the frequency converter according to claim 8, characterized in that: The thickness of the ring ribs 1 (7) and 2 (8) is 5 mm, and the distance between two adjacent ring ribs is 15 mm.