Integrated connection structure and connector

Abstract

The utility model discloses an integrated connection structure, which comprises a base, and at least one group of direct-current connectors or at least one group of alternating-current connectors or at least one group of direct-current connectors and at least one group of alternating-current connectors are arranged on the base. The direct current connector comprises a first shell, two first metal plug bushes with the same structure are arranged in the first shell, and the first shell and the base are integrally formed through injection molding; the alternating current connector comprises a second shell, two second metal plug bushes with the same structure are arranged in the second shell, and the second shell and the base are integrally formed through injection molding; the first shell and the second shell are provided with first locking devices, the connector and the base are integrally formed and designed in the structure, so that the use of cables can be reduced, the cost is further controlled, and meanwhile, the direct-current connector and the alternating-current connector are integrated in the structure, so that the whole connector is convenient to transport and install.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic connectors, in particular to an integrated connection structure and a connector. Background Art

[0002] The photovoltaic inverter is one of the core devices in the solar photovoltaic power generation system. Its main function is to convert the direct current (DC) generated by the photovoltaic panels into alternating current (AC) so that it can be integrated into the public power grid or directly used by households and commercial facilities.

[0003] PV inverter connectors are key electrical components specifically designed to connect PV panels to the inverter, and between the inverter output and the grid. PV strings are connected via a DC combiner box or directly to the inverter's DC input. DC connectors and cables securely connect the DC power from the strings to the inverter's internal electrical unit. The electrical unit converts the DC power to AC, which is then transmitted to the AC connector. Through the AC connector and cables, it is connected to an AC distribution box or directly to the grid.

[0004] Currently, DC connectors and AC connectors are mostly connected to inverters through multiple cables, which is costly and inconvenient to transport. Utility Model Content

[0005] The technical problem solved by the utility model is to provide an integrated connection structure which is convenient for transportation and installation.

[0006] The technical solution adopted by the present invention to solve the technical problem is: an integrated connection structure, including a base, on which at least one set of DC connectors is installed, or at least one set of AC connectors is installed, or at least one set of DC connectors and one set of AC connectors are installed;

[0007] The DC connector includes a first housing, two first metal conductors are disposed in the first housing, and the first housing and the base are integrally formed by injection molding;

[0008] The AC connector includes a second housing, two second metal conductors are disposed in the second housing, and the second housing and the base are integrally formed by injection molding;

[0009] The first housing and the second housing are both provided with a first locking device.

[0010] Furthermore, the two first metal conductors in the first shell have the same structure, and the two second metal conductors in the second shell have the same structure.

[0011] Furthermore, the distance between the two first metal conductors is different from the distance between the two second metal conductors.

[0012] Furthermore, it also includes a PCB board, one end of the first metal conductor and the second metal conductor extends out of the base and is connected to the PCB board, and an indicator light is provided on the PCB board.

[0013] Furthermore, a light guide column is provided on the base, one end of the light guide column extends out of the housing, and the other end of the light guide column faces the indicator light.

[0014] Furthermore, the outer side of the light guide column is wrapped with a light-colored light guide column silicone cover.

[0015] The present invention further discloses a connector, comprising the above-mentioned integrated connection structure, and further comprising an external connector, wherein the external connector is an external DC connector and / or an external AC connector;

[0016] The external DC connector includes a third housing, wherein two third metal conductors are provided in the third housing and can be plugged into the first metal conductor;

[0017] The external AC connector includes a fourth housing, wherein two fourth metal conductors are provided in the fourth housing and can be plugged into the second metal conductor;

[0018] The third shell and the fourth shell are both provided with a second locking device that cooperates with the first locking device.

[0019] Furthermore, the distance between the two third metal conductors is the same as the distance between the two first metal conductors;

[0020] The distance between the two fourth metal conductors is the same as the distance between the two second metal conductors.

[0021] Furthermore, the external DC connector also includes a first cable, a second cable, a tolerance connector and a female plug connector, one end of the first cable and the second cable are respectively connected to two third metal conductors, and the other ends of the first cable and the second cable are respectively connected to the female plug connector and the tolerance connector.

[0022] Furthermore, the external AC connector further includes a third cable and a fourth cable, and one end of the third cable and the fourth cable are respectively connected to two fourth metal conductors.

[0023] The beneficial effects of the utility model are:

[0024] 1. In this structure, the connector and the base are integrated into one design, which can reduce the use of cables and thus control costs.

[0025] 2. In this structure, the DC connector and the AC connector are integrated together, thereby facilitating the transportation and installation of the entire connector.

[0026] 3. When designing this structure, the DC connector and the AC connector have similar structures, thereby facilitating the production of the DC connector and the AC connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of a connector according to an embodiment of the present application.

[0028] Figure 2 This is an exploded schematic diagram of the connector structure according to an embodiment of the present application.

[0029] Figure 3 Schematic diagram of the distance between the first metal conductor and the second metal conductor of the connector structure according to an embodiment of the present application.

[0030] Figure 4 Schematic diagram of the distance between the third metal conductor and the fourth metal conductor of the connector structure according to an embodiment of the present application.

[0031] Marked in the figure: base 1, light guide 11, DC connector 2, first housing 21, first metal conductor 22, AC connector 3, second housing 31, second metal conductor 32, first locking device 4, PCB board 5, indicator light 51, external DC connector 6, third housing 61, third metal conductor 62, first cable 63, second cable 64, tolerance connector 65, female connector 66, external AC connector 7, fourth housing 71, fourth metal conductor 72, third cable 73, fourth cable 74, second locking device 8. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0033] like Figure 1 and Figure 2 As shown, the embodiment of the present application discloses an integrated connection structure, including a base 1, on which at least one set of DC connectors 2 is mounted, or at least one set of AC connectors 3 is mounted, or at least one set of DC connectors 2 and one set of AC connectors 3 are mounted;

[0034] The DC connector 2 includes a first housing 21 , in which two first metal conductors 22 are disposed. The first housing 21 and the base 1 are integrally formed by injection molding.

[0035] The AC connector 3 includes a second housing 31 , in which two second metal conductors 32 are disposed. The second housing 31 and the base 1 are integrally formed by injection molding.

[0036] The first housing 21 and the second housing 31 are both provided with a first locking device 4 .

[0037] Specifically, according to usage, M groups of DC connectors 2 can be provided on the base 1, or L groups of AC connectors 3 can be provided on the base 1, or both M groups of DC connectors 2 and L groups of AC connectors 3 can be provided on the base 1, where M≥1 and L≥1.

[0038] During specific use, the external DC connector 6 and the external AC connector 7 can be directly plugged into the DC connector 2 or the AC connector 3 on the base 1 to achieve electrical connection between the connector and the external connection structure.

[0039] Therefore, in this structure, the connector and the base 1 are designed as an integrally formed structure, thereby reducing the use of cables and controlling costs. At the same time, in this structure, the DC connector 2 and the AC connector 3 are integrated together, thereby facilitating the transportation and installation of the entire connector.

[0040] Specifically, the two first metal conductors 22 in the first shell 21 have the same structure, and the two second metal conductors 32 in the second shell 22 have the same structure.

[0041] In the above design, the metal conductors are designed to have the same structure, thereby facilitating the production of DC connectors and AC connectors.

[0042] In this embodiment, the distance between the two first metal conductors 22 is different from the distance between the two second metal conductors 32 .

[0043] Specifically, such as Figure 3 As shown, the distance between the two first metal conductors 22 can be set to S1, that is, S1 is the distance from the center point to the center point of the two first metal conductors 22, and the distance between the two second metal conductors 32 can be set to S2, that is, S2 is the distance from the center point to the center point of the two second metal conductors 32.

[0044] The above arrangement enables the DC connector 2 and the AC connector 3 to be distinguished, thereby facilitating visual judgment and reducing the possibility of incorrect insertion of the DC connector 2 and the AC connector 3 .

[0045] In this embodiment, a PCB board 5 is further included. One end of the first metal conductor 22 and the second metal conductor 32 extends out of the base 1 and is connected to the PCB board 5 . An indicator light 51 is provided on the PCB board 5 .

[0046] Specifically, the arrangement of the indicator light 51 in the above structure can display the usage status of the PCB board 5 .

[0047] Specifically, a light guide column 11 is further provided on the base 1 , one end of the light guide column 11 extends out of the housing, and the other end of the light guide column 11 faces the indicator light 51 .

[0048] It should be explained that the PCB board 5 will be confined in an external shell, which is connected to the base 1. Therefore, in actual operation, due to the obstruction of the external shell, the display of the indicator light 51 on the PCB board 5 cannot be directly seen through the shell. Therefore, when a light guide column 11 is provided, the light emitted from the PCB board 5 can be guided to the outside of the base 1 through the light guide column 11, so that the indicator light 51 on the PCB can be observed directly on the base 1, and there is no need to open the external shell for observation.

[0049] In this embodiment, the outer side of the light guide column 11 is wrapped with a light-colored light guide column silicone cover.

[0050] Specifically, the light color mentioned above can be white, and a white silicone cover is used for the light guide column 11 to prevent the light guide column 11 from being affected by the surrounding black shell, black colloid, etc., thereby improving the brightness of the light.

[0051] The present utility model further discloses a connector, comprising the above-mentioned integrated connection structure, and further comprising an external connector, wherein the external connector is an external DC connector 6 and / or an external AC connector 7;

[0052] The external DC connector 6 includes a third housing 61 , in which two third metal conductors 62 are arranged to be plugged into the first metal conductor 22 ;

[0053] The external AC connector 7 includes a fourth housing 71 , and two fourth metal conductors 72 are provided in the fourth housing 71 and can be plugged into the second metal conductor 32 ;

[0054] The third housing 61 and the fourth housing 71 are both provided with a second locking device 8 that cooperates with the first locking device 4 .

[0055] During use, the external DC connector 6 is plugged into the DC connector 2 on the base 1, so that the third metal conductor 62 is inserted into the first metal conductor 22. At the same time, the first housing 21 and the third housing 61 are locked and connected through the cooperation of the first locking device 4 and the second locking device 8. At this time, the third metal conductor 62 contacts the inside of the first metal conductor 22 and transmits DC current.

[0056] Similarly, the external AC connector 7 is plugged into the AC / DC connector 3 on the base 1 so that the fourth metal conductor 72 is inserted into the second metal conductor 32. At the same time, through the cooperation of the first locking device 4 and the second locking device 8, the second shell 31 and the fourth shell 71 are locked and connected. At this time, the fourth metal conductor 72 is in contact with the inside of the second metal conductor 32 and transmits AC current.

[0057] Therefore, when using the integrated connection structure, it is only necessary to plug the corresponding DC connector 2 and AC connector 3 into the corresponding external DC connector 6 and external AC connector 7, thereby making the structure more convenient to use.

[0058] In this embodiment, the distance between the two third metal conductors 62 is the same as the distance between the two first metal conductors 22 , and the distance between the two fourth metal conductors 72 is the same as the distance between the two second metal conductors 32 .

[0059] Specifically, such as Figure 4 As shown, the spacing between the two third metal conductors 62 can be set to S1, that is, S1 is the distance from the center point to the center point of the two third metal conductors 62, and the spacing between the two fourth metal conductors 72 can be set to S2, that is, S2 is the distance from the center point to the center point of the two fourth metal conductors 72.

[0060] On the one hand, the above arrangement can realize the distinction between the external DC connector 6 and the external AC connector 7 , while also ensuring that the DC connector 2 on the base 1 and the external DC connector 6 can be plugged in, as well as the AC connector 3 on the base 1 and the external AC connector 7 can be plugged in, thereby ensuring their normal use.

[0061] In this embodiment, the external DC connector 6 further includes a first cable 63, a second cable 64, a tolerance connector 65, and a female connector 66. One end of the first cable 63 and the second cable 64 are respectively connected to the two third metal conductors 62, and the other ends of the first cable 63 and the second cable 64 are respectively connected to the female connector 66 and the tolerance connector 65.

[0062] Specifically, the male connector 65 and the female connector 66 in the above structure can be connected to the connector on the solar panel to complete the connection with the PCB board 5. In this setting, its versatility can be improved by replacing the tolerance connector 65 and the female connector 66.

[0063] In this embodiment, the external AC connector 7 further includes a third cable 73 and a fourth cable 74 , and one end of the third cable 73 and the fourth cable 74 are connected to two fourth metal conductors 72 respectively.

[0064] Specifically, the other ends of the third cable 73 and the fourth cable 74 can be connected to the cables of other AC connectors 3 to complete the entire power transmission.

[0065] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Integrated connection structure, characterized by: The invention comprises a base (1), wherein at least one set of DC connectors (2) is mounted on the base (1), or at least one set of AC connectors (3) is mounted on the base (1), or at least one set of DC connectors (2) and one set of AC connectors (3) are mounted on the base (1); The DC connector (2) comprises a first housing (21), two first metal conductors (22) are arranged in the first housing (21), and the first housing (21) and the base (1) are integrally formed by injection molding; The AC connector (3) comprises a second housing (31), two second metal conductors (32) are arranged in the second housing (31), and the second housing (31) and the base (1) are integrally formed by injection molding; A first locking device (4) is provided on both the first housing (21) and the second housing (31).

2. The integrated connection structure according to claim 1, wherein: The two first metal conductors (22) in the first shell (21) have the same structure, and the two second metal conductors (32) in the second shell (31) have the same structure.

3. The integrated connection structure according to claim 1, wherein: The distance between the two first metal conductors (22) is different from the distance between the two second metal conductors (32).

4. The integrated connection structure according to claim 1, wherein: It also includes a PCB board (5), one end of the first metal conductor (22) and the second metal conductor (32) extends out of the base (1) and is connected to the PCB board (5), and an indicator light (51) is provided on the PCB board (5).

5. The integrated connection structure according to claim 4, wherein: A light guide column (11) is also provided on the base (1), one end of the light guide column (11) extends out of the housing, and the other end of the light guide column (11) faces the indicator light (51).

6. The integrated connection structure according to claim 5, wherein: The outer side of the light guide column (11) is wrapped with a light-colored light guide column silicone cover.

7. A connector comprising the integrated connection structure according to any one of claims 1 to 6, characterized in that: It also includes an external connector, which is an external DC connector (6) or an external AC connector (7); The external DC connector (6) comprises a third housing (61), wherein two third metal conductors (62) capable of being plugged into the first metal conductor (22) are arranged in the third housing (61); The external AC connector (7) comprises a fourth housing (71), wherein two fourth metal conductors (72) capable of being plugged into the second metal conductor (32) are arranged in the fourth housing (71); The third housing (61) and the fourth housing (71) are both provided with a second locking device (8) that cooperates with the first locking device (4).

8. A connector according to claim 7, characterized in that: The distance between the two third metal conductors (62) is the same as the distance between the two first metal conductors (22); The distance between the two fourth metal conductors (72) is the same as the distance between the two second metal conductors (32).

9. The connector according to claim 7, wherein: The external DC connector (6) further comprises a first cable (63), a second cable (64), a tolerance connector (65) and a female plug connector (66), wherein one end of the first cable (63) and the second cable (64) are respectively connected to two third metal conductors (62), and the other end of the first cable (63) and the second cable (64) are respectively connected to the female plug connector (66) and the tolerance connector (65).

10. A connector according to claim 9, characterized in that: The external AC connector (7) further comprises a third cable (73) and a fourth cable (74), one end of each of the third cable (73) and the fourth cable (74) being connected to two fourth metal conductors (72) respectively.

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