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CN-224233647-U - Test fixture

CN224233647UCN 224233647 UCN224233647 UCN 224233647UCN-224233647-U

Abstract

The application relates to a test tool, which comprises a tool seat, a test module, a connecting piece and a clamping assembly, wherein the tool seat is provided with a mounting cavity and a communication port, two communication ports are arranged at intervals, the test module is connected with the tool seat and used for detecting the current-voltage characteristics of a photovoltaic assembly, one end of the connecting piece is connected with the test module, the other end of the connecting piece is positioned between the two communication ports, the clamping assembly comprises a driving piece and a clamping jaw, one end of the driving piece stretches into the mounting cavity, the other end of the driving piece stretches out of the mounting cavity, the clamping jaw comprises two clamping pieces, the clamping piece comprises a clamping part and an adjusting part, the adjusting part is obliquely arranged, the adjusting part is rotationally connected with the driving piece, and the two clamping parts are used for clamping connecting terminals of the photovoltaic assembly. According to the application, the clamping assembly is arranged, so that the connecting terminal of the photovoltaic assembly can be clamped and fixed, the constraint of the insertion direction is provided, and the photovoltaic assembly is not easy to loosen if reverse pulling caused by shaking and too tight binding of the cable occurs, so that abnormal testing is avoided.

Inventors

  • LIU ZHIGANG
  • XU JIAN
  • ZHOU LIANG
  • LI QUN
  • FENG LEI

Assignees

  • 合肥晶澳太阳能科技有限公司

Dates

Publication Date
20260512
Application Date
20250417

Claims (10)

  1. 1. A test fixture for testing the current-voltage characteristics of a photovoltaic module, comprising: the fixture seat (1) is provided with an installation cavity (111) and a communication port (112) communicated with the installation cavity (111), wherein two communication ports (112) are arranged at intervals; the testing module (2) is connected with the tool seat (1) and is used for detecting the current-voltage characteristic of the photovoltaic module; A connecting piece (3) with one end connected with the test module (2) and the other end positioned between the two communication ports (112), and Clamping assembly (4), including driving piece (41) and clamping jaw, the one end of driving piece (41) stretches into in installation cavity (111) and the other end stretches out installation cavity (111), the clamping jaw includes two respectively be located clamping piece (42) in intercommunication mouth (112), clamping piece (42) are including interconnect's clamping part (421) and adjustment portion (422), adjustment portion (422) slope sets up, adjustment portion (422) are kept away from one end of clamping part (421) stretches into in installation cavity (111) and with driving piece (41) rotate and are connected, two clamping parts (421) of clamping jaw are used for the centre gripping photovoltaic module's connecting terminal (5).
  2. 2. The test fixture according to claim 1, wherein a clamping plate (423) is provided at an end of the clamping portion (421) away from the adjusting portion (422), and the clamping plate (423) is arranged in an arc shape to be adapted to the connection terminal (5) of the photovoltaic module.
  3. 3. The test fixture according to claim 1, characterized in that the fixture seat (1) is further provided with an elastic cavity (113), one end of the driving member (41) away from the mounting cavity (111) penetrates through the elastic cavity (113), the driving member (41) is further provided with an abutting plate (411), the clamping assembly (4) further comprises an elastic member (43), one end of the elastic member (43) away from the clamping assembly (4) abuts against the abutting plate (411), and one end of the elastic member (43) faces towards the clamping assembly (4) abuts against the inner wall of the elastic cavity (113).
  4. 4. A test fixture according to claim 3, wherein two elastic members (43) are provided, the two elastic members (43) being located on both sides of the driving member (41), respectively.
  5. 5. The test fixture according to claim 1, characterized in that the fixture seat (1) is further provided with a mounting hole, the other end of the connecting piece (3) is provided with a connecting portion (31), and the connecting portion (31) is located in the mounting hole and is flush with the end face of the fixture seat (1).
  6. 6. The test fixture according to claim 1, characterized in that the end of the fixture seat (1) is further provided with an auxiliary socket (6), the auxiliary socket (6) is provided with an inner cavity in a penetrating manner, the inner cavity of the auxiliary socket (6) is used for covering the clamping jaw, and two clamping pieces (42) of the clamping jaw can be unfolded and closed in the inner cavity of the auxiliary socket (6).
  7. 7. The test fixture according to claim 6, wherein the auxiliary socket (6) comprises a first insert portion (61) and a second insert portion (62) which are connected with each other, the inner cavity of the first insert portion (61) is larger than the inner cavity of the second insert portion (62), one end, away from the second insert portion (62), of the first insert portion (61) is connected with the fixture base (1), the clamping jaw is located in the inner cavity of the first insert portion (61), and the inner cavity of the second insert portion (62) is adapted to the connecting terminal (5) of the photovoltaic module.
  8. 8. The test fixture according to claim 7, characterized in that the second insert part (62) is further provided with an exhaust viewing port (621), the exhaust viewing port (621) being in communication with the inner cavity of the second insert part (62).
  9. 9. The test fixture according to claim 1, characterized in that the fixture seat (1) is provided with a weight reducing groove (115) and/or a weight reducing hole.
  10. 10. The test fixture according to claim 1, characterized in that a mounting groove (121) is further formed in one side, facing away from the test module (2), of the fixture seat (1), the fixture seat (1) is slidably connected with a mounting piece (7) through the mounting groove (121), and the fixture seat (1) can slide along the length direction of the mounting piece (7) and is fixed through a fastener.

Description

Test fixture Technical Field The application relates to the technical field of photovoltaics, in particular to a testing tool. Background In the current photovoltaic module manufacturing process, a terminal plug connection mode is adopted in a traditional IV test link, and the mode has high requirements on the service life of a plug connection part, but has poor test stability. Therefore, with the development of automation in recent years, in order to match with the operation requirement of automatic test equipment, each photovoltaic module end starts to use an external test tool to perform auxiliary test to replace the traditional terminal plug connection, so as to simplify the mechanical operation difficulty. In the testing process, the equipment probe can be conducted with the corresponding connecting wire only by vertically pressing the equipment probe onto the metal sheet of the external testing tool so as to execute the test. The existing tool connection structure is characterized in that the terminal is inserted into a hole groove close to the terminal in size to form connection, the external connection conduction function is only provided, the terminal is inserted and is not constrained in the insertion direction, and if shaking and reverse pulling caused by too tight binding of a cable occur, the terminal is very easy to loosen to cause abnormal testing. Disclosure of utility model Based on this, provide a test fixture, be provided with the clamping component, can further fix photovoltaic module's connecting terminal, possess the restraint of direction of inserting, if shake, cable tie up the reverse pulling that too tightly leads to and then be difficult to become flexible, avoid leading to the test unusual. The embodiment of the application provides a test fixture for testing current-voltage characteristics of a photovoltaic module, which comprises a fixture seat, a test module, a connecting piece and a clamping assembly, wherein the fixture seat is provided with a mounting cavity and a communication port communicated with the mounting cavity, the communication port is provided with two communication ports and is arranged at intervals, the test module is connected with the fixture seat and is used for detecting the current-voltage characteristics of the photovoltaic module, one end of the connecting piece is connected with the test module, the other end of the connecting piece is positioned between the two communication ports, the clamping assembly comprises a driving piece and clamping jaws, one end of the driving piece stretches into the mounting cavity, the other end of the driving piece stretches out of the mounting cavity, the clamping jaws comprise two clamping pieces respectively positioned in the two communication ports, the clamping pieces comprise clamping portions and adjusting portions which are connected with each other, one end of each adjusting portion, which is far away from the clamping portions, stretches into the mounting cavity and is rotationally connected with the driving piece, and the two clamping portions are used for clamping connecting terminals of the photovoltaic module. In one embodiment, a clamping plate is disposed at one end of the clamping portion away from the adjusting portion, and the clamping plate is disposed in an arc shape to be adapted to the connection terminal of the photovoltaic module. In one embodiment, the tool holder is further provided with an elastic cavity, one end of the driving piece, which is far away from the installation cavity, penetrates through the elastic cavity, the driving piece is further provided with an abutting plate, the clamping assembly further comprises an elastic piece, one end of the elastic piece, which is far away from the clamping assembly, is abutted against the abutting plate, and one end of the elastic piece, which is far away from the clamping assembly, is abutted against the inner wall of the elastic cavity. In one embodiment, two elastic members are provided, and the two elastic members are respectively located at two sides of the driving member. In one embodiment, the tool holder is further provided with a mounting hole, and the other end of the connecting piece is provided with a connecting portion, and the connecting portion is located in the mounting hole and is flush with the end face of the second mounting portion. In one embodiment, the end of the tool holder is further provided with an auxiliary socket, the auxiliary socket penetrates through an inner cavity, the inner cavity of the auxiliary socket is used for covering the clamping jaw, and the two clamping pieces of the clamping jaw can be unfolded and closed in the inner cavity of the auxiliary socket. In one embodiment, the auxiliary socket comprises a first inserting portion and a second inserting portion which are connected with each other, the inner cavity of the first inserting portion is larger than the inner cavity of the second inserting portion,