Base of inverter box body

Abstract

The utility model provides a base of an inverter box body. The base comprises a fixed shell, a movable shell, a locking groove, a locking block, a first open groove and a second open groove, according to the utility model, the fixed housing and the movable housing are arranged, when the cable of the inverter needs to be maintained or replaced, the cable end can be exposed only by sliding the locking block out of the locking groove and then moving the fixed housing out, so that the condition that the whole protective cover needs to be dismounted in the original inverter is eliminated, and the maintenance cost is reduced. Therefore, the maintenance workload of the inverter equipment is reduced, daily maintenance of the inverter equipment is facilitated, and the practicability of the protective cover is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of inverter equipment, in particular to a base of an inverter box. Background Art

[0002] In existing inverter devices, the DC cables and AC output terminal boxes of the inverter are mostly exposed outside the inverter housing. In order to prevent users and staff from accidentally touching the inverter terminals and causing safety hazards, most existing inverter devices provide protective covers outside the inverter terminals, and use the protective covers to surround the DC cables and AC output terminal boxes of the inverter to protect the inverter.

[0003] Most of the existing protective covers adopt an integrated design. When the inverter needs to be inspected and maintained, the protective cover needs to be removed as a whole before the DC cable and AC output terminal box of the inverter can be replaced or inspected. The overall removal operation of the protective cover is relatively complicated, resulting in a large maintenance workload for the inverter equipment, which is not convenient for daily maintenance of the inverter equipment, making the practicality of the protective cover low. Utility Model Content

[0004] The purpose of the utility model is to design a base for an inverter box to solve the problems raised by the background technology. To achieve the above purpose, the utility model provides the following technical solution: comprising a fixed shell fixedly connected to the bottom of the inverter body and a movable shell slidably connected to the fixed shell, a locking groove is provided on the bottom of the inverter body, a locking block that can be inserted into or slide out of the locking groove is slidably connected to the movable shell, a plurality of first opening grooves are provided on the bottom of the movable shell, a plurality of second opening grooves are provided on the bottom of the fixed shell, and the cables of the inverter body pass through the first opening grooves and the second opening grooves at the same time.

[0005] Furthermore, a first notch and a blind hole connected to the first notch are provided on the movable shell, the locking block includes a limit block slidably connected to the first notch and a movable rod fixed to the bottom of the limit block and slidably connected to the blind hole, the bottom of the movable rod is connected to the bottom of the blind hole by a spring, and a limit groove connected to the blind hole is also provided on the movable shell, and a limit rod passing through the limit groove is fixed to the movable rod.

[0006] Furthermore, a driving plate is provided on the limiting rod, and anti-slip grooves are provided on the driving plate.

[0007] Furthermore, one end of the limit block close to the moving rod is provided with a chamfer.

[0008] Furthermore, a U-shaped notch is provided at the bottom of the fixed shell, and a boss slidably connected to two sides of the U-shaped notch is provided at the bottom of the movable shell.

[0009] Furthermore, one end of the movable housing facing away from the locking block is inserted into the interior of the U-shaped notch.

[0010] Furthermore, the movable housing is parallel to the bottom plane of the fixed housing.

[0011] Furthermore, a second notch is provided at the bottom of the movable housing, and the driving plate is located at the lower part of the movable housing.

[0012] Furthermore, the movable shell and the fixed shell are provided with a plurality of semi-cylindrical cylinders that cooperate with each other, and the semi-cylindrical cylinders after cooperation form a cylinder, and the cable passes through the cylinder.

[0013] Furthermore, rubber pads are fixed inside the plurality of semi-cylindrical tubes.

[0014] Furthermore, the movable shell is provided with two symmetrically distributed ventilation grooves, and a plurality of baffles inclined downward are provided inside the ventilation grooves.

[0015] Furthermore, an isolation chamber connected to the ventilation groove is provided inside the movable housing, and a first filter screen is provided on the top of the isolation chamber.

[0016] Furthermore, a partition is provided inside the isolation chamber, a second filter is fixedly connected between the bottom of the partition and the inner wall of the isolation chamber, and dustproof cotton is provided between the second filter and the first filter.

[0017] Furthermore, a drainage channel inclined downward is provided on the isolation chamber below the second filter screen.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the utility model includes a fixed shell and a movable shell. When the cable of the inverter needs to be repaired or replaced, it is only necessary to slide the locking block out of the locking groove, and then move the fixed shell out to expose the cable end. Therefore, the utility model eliminates the need to remove the protective cover as a whole in the original inverter, thereby reducing the maintenance workload of the inverter equipment, facilitating the daily maintenance of the inverter equipment while providing the practicality of the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a partial cross-sectional schematic diagram of the utility model;

[0022] Figure 3 It is a cross-sectional schematic diagram after the mobile shell explodes.

[0023] Among them: 1. Inverter body; 2. Fixed shell; 3. Cable; 4. First opening groove; 5. Second notch; 6. Boss; 7. Moving shell; 8. Baffle; 9. Anti-skid pattern; 10. Ventilation groove; 11. Drainage channel; 12. First notch; 13. Second filter; 14. Rubber pad; 15. Semi-cylindrical tube; 16. Isolation chamber; 17. Locking groove; 18. Limit block; 19. First filter; 20. Partition; 21. Moving rod; 22. Limit rod; 23. Drive plate; 24. Limit groove; 25. Spring; 26. U-shaped notch. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation methods, mechanisms, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0025] Example: Please refer to Figure 1-3 , a base of an inverter box body, comprising a fixed shell 2 fixedly connected to the bottom of the inverter body 1 and a movable shell 7 slidably connected to the fixed shell 2, a locking groove 17 is provided on the bottom of the inverter body 1, and a locking block that can be inserted into or slide out of the locking groove 17 is slidably connected to the movable shell 7, a plurality of first opening grooves 4 are provided at the bottom of the movable shell 7, and a plurality of second opening grooves are provided at the bottom of the fixed shell 2, and the cable 3 of the inverter body 1 passes through the first opening groove 4 and the second opening groove at the same time. When the cable 3 of the inverter needs to be replaced or repaired, it is only necessary to slide the locking block out of the locking groove 17, and then pull out the movable shell 7 to expose the output end of the cable 3, and then the DC cable 3 and the AC output terminal box of the inverter can be replaced or repaired; therefore, the utility model eliminates the situation in which the protective cover needs to be removed as a whole in the original inverter, thereby reducing the maintenance workload of the inverter equipment, facilitating the daily maintenance of the inverter equipment and providing the practicality of the protective cover.

[0026] In this embodiment, a U-shaped notch 26 is provided at the bottom of the fixed shell 2, and a boss 6 is provided at the bottom of the movable shell 7 which is slidably connected to both sides of the U-shaped notch 26, so as to realize the sliding connection between the movable shell 7 and the fixed shell 2; and a first notch 12 and a blind hole connected to the first notch 12 are provided on the movable shell 7, and the locking block includes a limit block 18 which is slidably connected to the first notch 12 and a movable rod 21 which is fixed to the bottom of the limit block 18 and slidably connected to the blind hole, and the bottom of the movable rod 21 is connected to the bottom of the blind hole by a spring 25, and a limit groove 24 which is connected to the blind hole is also provided on the movable shell 7, and a limit rod 22 which passes through the limit groove 24 is fixed to the movable rod 21, so when the movable shell 7 is moved to the fixed shell 2, the movable shell 7 is locked. When the limit rod 22 is moved downward, the moving rod 21 and the limit block 18 move downward while compressing the spring 25. When the limit block 18 moves out of the locking groove 17, the moving housing 7 can be pulled out. In addition, a driving plate 23 is provided on the limit rod 22, and an anti-slip pattern 9 is provided on the driving plate 23 to facilitate the driving of the limit rod 22. The limit block 18 is provided with a chamfer at one end close to the moving rod 21. When the moving housing 7 is installed, it is only necessary to insert the boss 6 into the U-shaped notch 26 and then push the moving housing 7 in. When the chamfer contacts the bottom of the inverter body 1, the moving housing 7 is continued to be pushed. The limit block 18 will move downward under the action of the chamfer. When the limit block 18 is aligned with the locking groove 17, The limit block 18 is inserted into the locking groove 17 under the action of the spring 25, thereby realizing the installation of the movable housing 7; and the end of the movable housing 7 away from the locking block is inserted into the inside of the U-shaped notch 26, so that the structure of the base is more stable; and the movable housing 7 is parallel to the bottom plane of the fixed housing 2, which improves the aesthetics of the base; in addition, a second notch 5 is provided at the bottom of the movable housing 7, and the driving plate 23 is located at the lower part of the movable housing 7, which is convenient for taking out the movable housing 7. At this time, the operator can drive the driving plate 23 with the thumb, and insert the remaining four fingers into the second notch 5. When the driving plate 23 is pulled down, the movable housing 7 can be pulled out by four fingers; and the movable housing 7 and the fixed housing 2 is provided with a plurality of semi-cylindrical cylinders 15 that cooperate with each other. The semi-cylindrical cylinders 15 that cooperate with each other form a cylinder. The cable 3 passes through the cylinder, which is convenient for fixing the cable 3 and preventing the cable 3 end of the inverter from being affected when the external cable 3 is stretched; and the interiors of the plurality of semi-cylindrical cylinders 15 are fixed with rubber pads 14, which are convenient for clamping the cable 3 and preventing the cable from being damaged by clamping; and the movable housing 7 is provided with two symmetrically distributed ventilation grooves 10, and the ventilation grooves 10 are provided with a plurality of baffles 8 inclined downward. The interior of the movable housing 7 is also provided with an isolation chamber 16 that is connected to the ventilation groove 10, and the top of the isolation chamber 16 is provided with a first filter 19, which is convenient for the inverter body 1 to dissipate heat while preventing dust from entering;A partition 20 is provided inside the isolation chamber 16, a second filter 13 is fixedly connected between the bottom of the partition 20 and the inner wall of the isolation chamber 16, dustproof cotton is provided between the second filter 13 and the first filter 19, and a downwardly inclined drainage channel 11 is provided on the isolation chamber 16 below the second filter 13, which further improves the dustproof ability and the waterproof ability of the inverter body 1; in addition, the first filter 19 is L-shaped, which is convenient for heat dissipation at the bottom of the inverter body 1. ;

[0027] Working principle: When the cable 3 of the inverter needs to be replaced or repaired, it is only necessary to pull down the driving plate 23, so that the limit rod 22, the moving rod 21 and the limit block 18 move downward. When the limit block 18 moves out of the locking groove 17, the movable housing 7 can be pulled out to expose the output end of the cable 3. Then, the DC cable 3 and the AC output terminal box of the inverter can be replaced or repaired. When installing the movable housing 7, it is only necessary to insert the boss 6 into the U-shaped notch 26 and then push the movable housing in. 7. When the chamfer contacts the bottom of the inverter body 1, the movable housing 7 continues to be pushed, and the limit block 18 will move downward under the action of the chamfer. When the limit block 18 is aligned with the locking groove 17, the limit block 18 is inserted into the locking groove 17 under the action of the spring 25, thereby realizing the installation of the movable housing 7; therefore, the utility model eliminates the need to remove the protective cover as a whole in the original inverter, thereby reducing the maintenance workload of the inverter equipment, facilitating the daily maintenance of the inverter equipment and providing the practicality of the protective cover.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0029] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A base for an inverter box, characterized in that: The invention comprises a fixed shell (2) fixedly connected to the bottom of an inverter body (1) and a movable shell (7) slidably connected to the fixed shell (2); a locking groove (17) is provided on the bottom of the inverter body (1); a locking block which can be inserted into or slid out of the locking groove (17) is slidably connected to the movable shell (7); a plurality of first opening grooves (4) are provided on the bottom of the movable shell (7); a plurality of second opening grooves are provided on the bottom of the fixed shell (2); and a cable (3) of the inverter body (1) passes through both the first opening groove (4) and the second opening groove.

2. The base of the inverter box according to claim 1, characterized in that: The movable housing (7) is provided with a first notch (12) and a blind hole connected to the first notch (12); the locking block comprises a limit block (18) slidably connected to the first notch (12) and a movable rod (21) fixed to the bottom of the limit block (18) and slidably connected to the blind hole; the bottom of the movable rod (21) is connected to the bottom of the blind hole via a spring (25); the movable housing (7) is also provided with a limit groove (24) connected to the blind hole; the movable rod (21) is fixedly connected with a limit rod (22) penetrating the limit groove (24).

3. The base of the inverter box according to claim 2, characterized in that: The limiting rod (22) is provided with a driving plate (23), and the driving plate (23) is provided with anti-slip grooves (9).

4. The base of the inverter box according to claim 2, characterized in that: One end of the limit block (18) close to the moving rod (21) is provided with a chamfer.

5. The base of the inverter box according to claim 1, characterized in that: The bottom of the fixed housing (2) is provided with a U-shaped notch (26), and the bottom of the movable housing (7) is provided with a boss (6) slidably connected to two sides of the U-shaped notch (26).

6. The base of the inverter box according to claim 1, characterized in that: The movable housing (7) and the fixed housing (2) are provided with a plurality of semi-cylindrical cylinders (15) that cooperate with each other. The semi-cylindrical cylinders (15) after cooperation form a cylinder, and the cable (3) passes through the cylinder.

7. The base of the inverter box according to claim 6, characterized in that: A rubber pad (14) is fixedly connected inside each of the semi-cylindrical tubes (15).

8. The base of the inverter box according to claim 1, characterized in that: The movable housing (7) is provided with two symmetrically distributed ventilation grooves (10), and a plurality of baffles (8) inclined downward are provided inside the ventilation grooves (10).

9. The base of the inverter box according to claim 8, characterized in that: An isolation chamber (16) communicating with the ventilation groove (10) is also provided inside the movable housing (7), and a first filter screen (19) is provided on the top of the isolation chamber (16).

10. The base of the inverter box according to claim 9, characterized in that: A partition (20) is provided inside the isolation chamber (16); a second filter screen (13) is fixedly connected between the bottom of the partition screen (20) and the inner wall of the isolation chamber (16); and dustproof cotton is provided between the second filter screen (13) and the first filter screen (19).

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