Positive and negative electrode metal contact piece structure of photovoltaic junction box

Abstract

The utility model provides a positive and negative electrode metal contact structure of a photovoltaic junction box, which relates to the technical field of photovoltaic junction boxes and comprises a first connector and a second connector, connecting wires are arranged at one end of the first connector and one end of the second connector, and a negative electrode metal contact is arranged on an installation cylinder and connected with the installation cylinder. The first connector and the second connector are provided with positioning assemblies, the first connector and the second connector are connected through the positioning assemblies, a worker presses the elastic plate downwards, the elastic plate is arranged in the positioning annular plate, at the moment, the worker loosens the elastic plate, the elastic plate is reset, and the elastic plate is fixed to the positioning annular plate. At the moment, a worker pulls a second connector backwards, a clamping block is arranged in a clamping groove, a lead screw is rotated by the worker, the lead screw is matched with a lead screw thread sleeve to move forwards, meanwhile, a guide plate can be driven to move forwards, the front surface of the guide plate is tightly attached to the surface of an elastic plate, and the situation of looseness is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic junction boxes, and in particular to a positive and negative metal contact sheet structure of a photovoltaic junction box. Background Art

[0002] The connecting device between the solar cell array formed by the solar cell module and the solar charging control device on the photovoltaic junction box has the main function of connecting and protecting the solar photovoltaic module, connecting the power generated by the solar cell to the external circuit, and conducting the current generated by the photovoltaic module. The positive and negative metal contacts need to be connected with a connector on the photovoltaic junction box, such as patent application number CN202222553530.1, a photovoltaic junction box, including a diode, a positive metal sheet and a negative metal sheet, the positive metal sheet and the negative metal sheet are respectively arranged on both sides of the diode, the diode can be conductively connected to the positive metal sheet and the negative metal sheet respectively, and the diode is in surface contact with the positive metal sheet and the negative metal sheet respectively. The photovoltaic junction box of the present application can effectively improve the heat dissipation efficiency of the diode. After the positive metal sheet and the negative metal sheet are connected together, the position where the positive metal sheet and the negative metal sheet are connected is prone to loosening and offset, making the connection between the positive metal sheet and the negative metal sheet unstable. Utility Model Content

[0003] The main purpose of the utility model is to provide a positive and negative metal contact structure for a photovoltaic junction box, which can effectively solve the problem in the background technology that after the positive metal sheet and the negative metal sheet are connected together, the connection position of the positive metal sheet and the negative metal sheet is prone to loosening and offset, making the connection between the positive metal sheet and the negative metal sheet unstable.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a positive and negative metal contact structure of a photovoltaic junction box, including a first connector and a second connector, one end of the first connector and the second connector are both provided with a connecting wire, one end of the second connector is installed with a mounting tube, the inner wall of the mounting tube is provided with a positive metal contact, the first connector is provided with a negative metal contact, the mounting tube is arranged inside the first connector, the negative metal contact is arranged on the mounting tube and connected with the negative metal contact, the first connector and the second connector are provided with a positioning assembly, and the first connector and the second connector are connected through the positioning assembly.

[0005] Preferably, a sealing rubber ring is fixedly installed in the middle of the installation tube, and the sealing rubber ring is attached to the inner wall of the first connector.

[0006] Preferably, the positioning assembly comprises a spring plate and a positioning ring plate, the spring plate is fixedly mounted on one end surface of the second connector, the positioning ring plate is fixedly mounted on one end surface of the first connector, and the spring plate is arranged inside the positioning ring plate.

[0007] Preferably, a card slot is provided on the inner wall of the positioning ring plate, and a card block is fixedly mounted on the top surface of the spring plate, and the card block is arranged inside the card slot.

[0008] Preferably, a guide plate is slidably mounted on the inner surface of the positioning ring plate.

[0009] Preferably, a screw threaded sleeve is fixedly installed in the middle of the inner wall of the positioning ring plate.

[0010] Preferably, the positioning ring plate is mounted with a screw through a screw sleeve, and the top end of the screw sleeve is rotatably arranged on the surface of the guide plate.

[0011] Preferably, a slide groove is provided on the inner surface of the positioning ring plate, and a sliding block is fixedly mounted on the lower end surface of the guide plate, and the sliding block is slidably mounted inside the slide groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The staff presses the spring plate downward to set the spring plate inside the positioning ring plate. At this time, the staff loosens the spring plate to reset it. At this time, the staff pulls the second connecting head backward to set the card block inside the card slot. At this time, the spring plate can be initially set inside the positioning ring plate. At this time, the staff rotates the screw rod to make the screw rod cooperate with the screw rod nut to move forward. At the same time, the guide plate can be driven forward to make the front surface of the guide plate tightly fit against the surface of the spring plate, thereby positioning the spring plate and preventing the spring plate from loosening. At this time, the card block can be fixed inside the card slot. At this time, the first connecting head and the second connecting head can be connected together, and the first connecting head and the second connecting head have better stability after connection, so that the negative metal contact and the positive metal contact have better stability after connection and will not loosen. After the negative metal contact and the positive metal contact are connected, this device can ensure the stability between the negative metal contact and the positive metal contact and will not loosen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the positive and negative metal contact pieces of a photovoltaic junction box of the utility model;

[0015] Figure 2 It is a side view structural schematic diagram of the positive and negative metal contact structure of a photovoltaic junction box of the utility model;

[0016] Figure 3 It is a schematic cross-sectional view of the positive and negative metal contact structures of a photovoltaic junction box according to the utility model;

[0017] Figure 4 This is a schematic diagram of the guide plate structure of the positive and negative metal contact structure of a photovoltaic junction box of the utility model;

[0018] Figure 5 This is a schematic diagram of the enlarged structure of point A of the positive and negative metal contact structure of a photovoltaic junction box of the utility model.

[0019] In the figure: 1. connecting line; 2. first connecting head; 3. second connecting head; 4. positioning assembly; 401. spring plate; 402. clamping block; 403. positioning ring plate; 404. clamping groove; 405. slide groove; 406. guide plate; 407. screw thread sleeve; 408. screw; 409. slider; 5. mounting tube; 6. sealing rubber ring; 7. positive metal contact; 8. negative metal contact. DETAILED DESCRIPTION

[0020] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1 , 2 As shown in Figure 3, a positive and negative metal contact structure of a photovoltaic junction box includes a first connector 2 and a second connector 3, wherein one end of the first connector 2 and the second connector 3 are both provided with a connecting wire 1, one end of the second connector 3 is installed with a mounting tube 5, and the inner wall of the mounting tube 5 is provided with a positive metal contact 7, a negative metal contact 8 is provided inside the first connector 2, the mounting tube 5 is arranged inside the first connector 2, the negative metal contact 8 is arranged in the mounting tube 5 and connected with the negative metal contact 8, a positioning component 4 is provided on the first connector 2 and the second connector 3, and the first connector 2 and the second connector 3 are connected through the positioning component 4.

[0022] like Figure 1 As shown, a sealing rubber ring 6 is fixedly installed in the middle of the installation tube 5, and the sealing rubber ring 6 is attached to the inner wall of the first connector 2. The sealing rubber ring 6 is arranged on the inner wall of the first connector 2 to make the first connector 2 and the second connector 3 more sealed after being connected.

[0023] like Figure 2 , 3, 4, 5, the positioning assembly 4 includes a spring plate 401 and a positioning ring plate 403, the spring plate 401 is fixedly mounted on one end surface of the second connector 3, the positioning ring plate 403 is fixedly mounted on one end surface of the first connector 2, the spring plate 401 is arranged inside the positioning ring plate 403, a card slot 404 is arranged on the inner wall of the positioning ring plate 403, a card block 402 is fixedly mounted on the top surface of the spring plate 401, the card block 402 is arranged inside the card slot 404, and a guide plate 40 is slidably mounted on the inner surface of the positioning ring plate 403 6. A screw sleeve 407 is fixedly installed in the middle of the inner wall of the positioning ring plate 403. A screw 408 is installed on the positioning ring plate 403 through the screw sleeve 407. The top of the screw sleeve 407 is rotatably set on the surface of the guide plate 406. A slide groove 405 is opened on the inner surface of the positioning ring plate 403. A slider 409 is fixedly installed on the lower end surface of the guide plate 406. The slider 409 is slidably installed in the slide groove 405. The staff presses the spring plate 401 downward to set the spring plate 401 in the positioning ring plate 403. At this time, the spring plate 401 is set in the positioning ring plate 403. The staff loosens the spring plate 401 to reset the spring plate 401. At this time, the staff pulls the second connector 3 backwards to set the card block 402 inside the card slot 404. At this time, the spring plate 401 can be initially set inside the positioning ring plate 403. At this time, the staff rotates the screw rod 408 to make the screw rod 408 move forward with the screw rod screw sleeve 407. At the same time, the guide plate 406 can be driven to move forward, so that the front surface of the guide plate 406 is tightly attached to the surface of the spring plate 401, which plays a role in positioning the spring plate 401 and prevents the spring plate 401 from being moved. If the plate 401 becomes loose, the block 402 can be fixed inside the slot 404, and the first connector 2 and the second connector 3 can be connected together. The first connector 2 and the second connector 3 are more stable after being connected, so that the negative metal contact 8 and the positive metal contact 7 are more stable after being connected and will not become loose. After the negative metal contact 8 and the positive metal contact 7 are connected, this device can ensure the stability between the negative metal contact 8 and the positive metal contact 7 and will not become loose.

[0024] The working principle of the positive and negative metal contact structure of a photovoltaic junction box:

[0025] During use, when it is necessary to connect the positive metal contact 7 and the negative metal contact 8, first set the installation tube 5 inside the first connector 2, and at the same time set the negative metal contact 8 inside the installation tube 5, so that the negative metal contact 8 is connected to the positive metal contact 7. After the negative metal contact 8 is connected to the positive metal contact 7, the staff presses down the spring plate 401 to set the spring plate 401 inside the positioning ring plate 403. At this time, the staff loosens the spring plate 401 to reset the spring plate 401. At this time, the staff pulls back the second connector 3 and sets the block 402 inside the card slot 404. At this time, the spring plate 401 can be preliminarily set inside the positioning ring plate 403. At this time, the staff rotates the screw rod 408 to make the screw rod 408 engage. When the screw rod sleeve 407 moves forward, it can drive the guide plate 406 to move forward at the same time, so that the front surface of the guide plate 406 is tightly attached to the surface of the spring plate 401, which plays a positioning role for the spring plate 401 and prevents the spring plate 401 from loosening. At this time, the block 402 can be fixed inside the slot 404, and the first connector 2 and the second connector 3 can be connected together. After the first connector 2 and the second connector 3 are connected, the stability is better, so that the negative metal contact 8 and the positive metal contact 7 are better after connection, and there will be no looseness. After the negative metal contact 8 and the positive metal contact 7 are connected, this device can ensure the stability between the negative metal contact 8 and the positive metal contact 7, and there will be no looseness.

[0026] The above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A positive and negative metal contact structure of a photovoltaic junction box, comprising a first connector (2) and a second connector (3), characterized in that: The first connector (2) and the second connector (3) are both provided with a connecting wire (1) at one end, the second connector (3) is provided with a mounting tube (5) at one end, the inner wall of the mounting tube (5) is provided with a positive metal contact (7), the first connector (2) is provided with a negative metal contact (8), the mounting tube (5) is provided inside the first connector (2), the negative metal contact (8) is provided in the mounting tube (5) and connected to the negative metal contact (8), the first connector (2) and the second connector (3) are provided with a positioning assembly (4), and the first connector (2) and the second connector (3) are connected via the positioning assembly (4).

2. The positive and negative metal contact structure of a photovoltaic junction box according to claim 1, characterized in that: A sealing rubber ring (6) is fixedly installed in the middle of the installation tube (5), and the sealing rubber ring (6) is fitted on the inner wall of the first connecting head (2).

3. The positive and negative metal contact structure of a photovoltaic junction box according to claim 1, characterized in that: The positioning assembly (4) comprises a spring plate (401) and a positioning ring plate (403); the spring plate (401) is fixedly mounted on one end surface of the second connector (3); the positioning ring plate (403) is fixedly mounted on one end surface of the first connector (2); and the spring plate (401) is arranged inside the positioning ring plate (403).

4. The positive and negative metal contact structure of a photovoltaic junction box according to claim 3, characterized in that: A clamping groove (404) is provided on the inner wall of the positioning ring plate (403), a clamping block (402) is fixedly mounted on the top surface of the spring plate (401), and the clamping block (402) is arranged inside the clamping groove (404).

5. The positive and negative metal contact structure of a photovoltaic junction box according to claim 4, characterized in that: A guide plate (406) is slidably mounted on the inner surface of the positioning ring plate (403).

6. The positive and negative metal contact structure of a photovoltaic junction box according to claim 5, characterized in that: A screw thread sleeve (407) is fixedly mounted on the middle portion of the inner wall of the positioning ring plate (403).

7. The positive and negative metal contact structure of a photovoltaic junction box according to claim 6, characterized in that: The positioning ring plate (403) is provided with a screw (408) via a screw sleeve (407), and the top end of the screw sleeve (407) is rotatably arranged on the surface of the guide plate (406).

8. The positive and negative metal contact structure of a photovoltaic junction box according to claim 7, characterized in that: A slide groove (405) is provided on the inner surface of the positioning ring plate (403), and a slider (409) is fixedly mounted on the lower end surface of the guide plate (406), and the slider (409) is slidably mounted inside the slide groove (405).

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