Connector and inverter comprising same

Abstract

The connector comprises a terminal base and an upper cover plate arranged on the terminal base in a covering mode, a stepped wiring terminal set is installed on the terminal base, a wire pressing hoop is detachably installed on the terminal base, a cover wire outlet groove is formed in the bottom of the inner side of the upper cover plate, and the upper cover plate is detachably installed on the terminal base. The terminal base is provided with a base wire outlet groove matched with the cover wire outlet groove, and a pressing ring is arranged between the terminal base and the upper cover plate in a cushioned mode. The device has the beneficial effects that on the premise that the protection performance is met, operation is convenient and fast, the locking mode is simple, a traditional side edge auxiliary cavity protection structure is replaced, the size is reduced, and the protection performance is good.

Description

Technical Field

[0001] The present invention relates to the field of new energy, and in particular to a connector and an inverter comprising the same. Background Art

[0002] The main function of a photovoltaic inverter is to convert the direct current generated by solar panels into alternating current for use in household appliances. In particular, the output AC position requires users to make separate connections before it can be connected to the household power grid or grid-connected to output AC. Output terminal wiring is commonly used in inverters, and the output terminal solutions of each inverter are different. Most inverters output AC at the bottom of the machine. However, in order to increase the power density and make the machine smaller, the terminal surface at the bottom is overloaded and cannot meet the existing needs. At present, some side terminals use large sub-cavities for wiring and protection, which are large in size, have high material costs, and increase size and weight. Summary of the invention

[0003] The object of the present invention is to provide a connector and an inverter including the same in order to solve the above-mentioned problem.

[0004] The present invention achieves the above-mentioned purpose through the following technical solutions: A connector comprises a terminal base and an upper cover plate arranged on the terminal base, wherein a stepped wiring terminal group is installed on the terminal base, a wire clamp is detachably installed on the terminal base, a cover outlet groove is opened at the inner bottom of the upper cover plate, and a seat outlet groove matching the cover outlet groove is provided on the terminal base.

[0005] Furthermore, a pressure ring is provided between the terminal base and the upper cover plate.

[0006] Furthermore, the stepped terminal group consists of an upper row of terminals and a lower row of terminals, and the upper row of terminals and the lower row of terminals are in a stepped shape and are staggeredly distributed.

[0007] Furthermore, a safety partition is provided between the upper row of terminals and the lower row of terminals, and a plurality of terminal baffles are fixedly mounted on the terminal base.

[0008] Furthermore, the pressure ring is composed of a second sealing rubber ring and a stepped sealing rubber gasket installed on the end side of the second sealing rubber ring, the stepped sealing rubber gasket is attached to the cover wire outlet groove, the second sealing rubber ring is adhered to the cover edge of the upper cover plate, and the first sealing rubber ring is attached to the seat wire outlet groove.

[0009] Furthermore, one side of the upper cover is rotatably mounted on the side edge of the terminal base through a hinge, and the other side of the upper cover is provided with a side screw ear, and the terminal base is provided with an upper cover screw fixing hole seat, and the side screw ear is fixed to the upper cover screw fixing hole seat by screws.

[0010] Furthermore, both end sides of the wire crimping clamp are provided with clamp end side clamps, and the terminal base is provided with a clamp buckle groove, and the clamp end side clamp is buckled in the clamp buckle groove.

[0011] Furthermore, the terminals of the stepped terminal group are mounted on the terminal base by any one of screw fixing, injection molding fixing, glue filling fixing or snap fixing.

[0012] Furthermore, a flip ear is provided at the bottom of the upper cover plate, and the flip ear is rotatably mounted to the bottom of the terminal base via a flip shaft.

[0013] Furthermore, buckles are rotatably installed on both sides of the upper cover plate through buckle shafts, buckle hooks are provided on the end sides of the buckles, and fixing columns are installed on both sides of the terminal base, and the buckle hooks are hooked together with the fixing columns.

[0014] The present invention also discloses an inverter, comprising an inverter body and the connector, wherein the connector is fixed on the side of the inverter body.

[0015] The beneficial effects of the present invention are as follows: the connector and the inverter comprising the same described in the present invention are easy to operate and have a simple locking method while meeting the protection performance requirements. They replace the traditional side auxiliary cavity protection structure, reduce the volume, and have good protection performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a side view structural diagram of an inverter including a connector according to the present invention; Figure 2 It is a structural diagram of a side flip cover of a connector according to the present invention; Figure 3 It is a structural diagram of a stepped terminal block group of a connector according to the present invention; Figure 4 It is a structural diagram of a wire clamp of a connector described in the present invention; Figure 5 This is a structural diagram of a connector pressing ring according to the present invention; Figure 6 It is a structural diagram of a bottom flip cover of a connector described in the present invention.

[0017] The following are the descriptions of the reference numerals: 1. Connector; 2. Inverter body; 3. Terminal base; 4. Upper cover; 5. Stepped terminal block; 6. Wire clamp; 7. Wire outlet slot; 8. Wire clamp; 9. Wire outlet slot; 10. First sealing rubber ring; 11. Flip ear; 12. Clamp end side clamp; 13. Upper row of terminals; 14. Lower row of terminals; 15. Side screw ear; 16. Upper cover screw fixing hole seat; 17. Stepped safety partition; 18. Terminal baffle; 19. Second sealing rubber ring; 20. Stepped sealing rubber pad; 21. Fixing column; 22. Lever; 23. Lever shaft; 24. Lever hook. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments: Example

[0019] like Figure 2 - Figure 5 As shown, a connector 1 includes a terminal base 3 and an upper cover plate 4 covering the terminal base 3, a stepped wiring terminal group 5 is installed on the terminal base 3, the stepped wiring terminal group 5 is used to realize wiring, and a wire clamp 6 is detachably installed on the terminal base 3, which is mainly used to press each wire after wiring to prevent the upper cover plate 4 from shifting when pressing, a cover outlet groove 9 is opened at the inner bottom of the upper cover plate 4, and a seat outlet groove 7 matching the cover outlet groove 9 is provided on the terminal base 3. The seat outlet groove 7 and the cover outlet groove 9 are buckled to form an outlet hole, which is convenient for secondary limiting of the line, and the bottom tail outlet mode, combined with the multi-stage configuration protection measures of the stepped terminal group 5, ensures that the waterproof effect reaches IP67 or above; A pressure ring 8 is provided between the terminal base 3 and the upper cover plate 4 to increase the waterproofness of the buckle cover.

[0020] In this embodiment, the stepped terminal group 5 is composed of an upper row of terminals 13 and a lower row of terminals 14, which are in a stepped shape and staggered. A safety partition 17 is provided between the upper row of terminals 13 and the lower row of terminals 14, which can be removed manually. A plurality of terminal baffles 18 are fixedly installed on the terminal base 3, which are used to separate two adjacent terminals on the upper row of terminals 13 or the lower row of terminals 14. In this way, both the left and right rows and the upper and lower rows of cable terminals can be taken into account at the same time, arcing and sparking can be avoided, and the safety performance can be improved.

[0021] In this embodiment, the pressure ring 8 is composed of a second sealing rubber ring 19 and a stepped sealing rubber pad 20 installed on the end side of the second sealing rubber ring 19, the stepped sealing rubber pad 20 is attached to the cover wire outlet groove 9, the second sealing rubber ring 19 is adhered to the cover edge of the upper cover plate 4, and the first sealing rubber ring 10 is attached to the seat wire outlet groove 7.

[0022] In this embodiment, one side of the upper cover plate 4 is rotatably mounted on the side edge of the terminal base 3 by means of a hinge, and a side screw ear 15 is provided on the other side of the upper cover plate 4. An upper cover screw fixing hole seat 16 is provided on the terminal base 3, and the side screw ear 15 is fixed to the upper cover screw fixing hole seat 16 by means of screws.

[0023] In this embodiment, both end sides of the wire crimping clamp 6 are provided with clamp end side clamps 12, and the terminal base 3 is provided with a clamp buckle groove, and the clamp end side clamp 12 is buckled in the clamp buckle groove to achieve detachable installation.

[0024] In this embodiment, the terminals of the stepped terminal group 5 (such as copper busbar terminals, or other metal terminals) can be installed on the terminal base 3 by any method such as screw fixing, injection molding fixing, glue fixing or snap fixing. Example

[0025] like Figure 6 As shown, a connector 1 is different from the embodiment 1 in that a flip ear 11 is provided at the bottom of the upper cover plate 4, and the flip ear 11 is rotatably mounted to the bottom of the terminal base 3 through a flip axis; Buckles 22 are rotatably mounted on both sides of the upper cover plate 4 through buckle shafts 23 , and buckle hooks 24 are provided on the ends of the buckles 22 . Fixed columns 21 are mounted on both sides of the terminal base 3 , and the buckle hooks 24 are hooked together with the fixed columns 21 . Example

[0026] like Figure 1 As shown, the present invention further discloses an inverter, including an inverter body 2 and a connector 1 fixed on a side of the inverter body 2 .

[0027] The connector 1 in the above embodiment is installed on the side of the inverter body, replacing the traditional side sub-cavity protection mechanism. The terminal volume can be made smaller, and the stepped configuration realizes familyization, platformization, and normalization, thereby reducing costs and improving automation efficiency. The stepped terminal is equipped with a sealing pad and a bottom tail outlet method, has good waterproof performance, and the safety factor is increased by the safety baffle. The upper cover plate is easy to operate and disassemble by flipping sideways or downwards.

[0028] Those skilled in the art should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and improvements, and these changes and improvements shall all fall within the scope of the present invention claimed for protection.

Claims

1. A connector, characterized in that: It includes a terminal base and an upper cover plate covered on the terminal base, the terminal base is installed with a stepped terminal group, the terminal base is detachably installed with a wire clamp, the inner bottom of the upper cover plate is provided with a cover outlet groove, and the terminal base is provided with a seat outlet groove matching the cover outlet groove.

2. A connector according to claim 1, characterized in that: A pressing ring is provided between the terminal base and the upper cover plate.

3. A connector according to claim 1, characterized in that: The stepped terminal block group is composed of an upper row of terminals and a lower row of terminals, and the upper row of terminals and the lower row of terminals are in a stepped shape and are staggeredly distributed.

4. A connector according to claim 3, characterized in that: A safety partition is arranged between the upper row of terminals and the lower row of terminals, and a plurality of terminal baffles are fixedly mounted on the terminal base.

5. A connector according to claim 2, characterized in that: The pressure ring is composed of a second sealing rubber ring and a stepped sealing rubber pad installed on the end side of the second sealing rubber ring. The stepped sealing rubber pad is attached to the cover outlet groove. The second sealing rubber ring is adhered to the cover edge of the upper cover plate. The first sealing rubber ring is attached to the seat outlet groove.

6. A connector according to claim 1, characterized in that: One side of the upper cover is rotatably mounted on the side edge of the terminal base through a hinge, and the other side of the upper cover is provided with a side screw ear, and the terminal base is provided with an upper cover screw fixing hole seat, and the side screw ear is fixed to the upper cover screw fixing hole seat by screws.

7. A connector according to claim 1, characterized in that: Both end sides of the wire crimping clamp are provided with clamp end side clamps, and the terminal base is provided with a clamp buckle groove, and the clamp end side clamp is buckled in the clamp buckle groove.

8. A connector according to claim 1, characterized in that: The terminals of the stepped terminal group are mounted on the terminal base by any one of screw fixing, injection molding fixing, glue filling fixing or snap fixing.

9. A connector according to claim 1, characterized in that: The bottom of the upper cover plate is provided with a flip ear, and the flip ear is rotatably mounted to the bottom of the terminal base through a flip shaft.

10. A connector according to claim 9, characterized in that: Buckles are rotatably mounted on both sides of the upper cover plate through buckle shafts, buckle hooks are arranged on the end sides of the buckles, fixing columns are mounted on both sides of the terminal base, and the buckle hooks are hooked together with the fixing columns.

11. An inverter, comprising an inverter body, characterized in that: It also comprises the connector described in claims 1 to 10, wherein the connector is fixed on the side of the inverter body.

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