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CN-224203393-U - Internal short circuit detection device of voltage inspection device connector

CN224203393UCN 224203393 UCN224203393 UCN 224203393UCN-224203393-U

Abstract

The utility model relates to the technical field of fuel cell voltage inspection devices, and particularly provides an internal short circuit detection device of a voltage inspection device connector. The internal short circuit detection device comprises a male incoming material wire harness connector, a female wire harness detection tool head and a detection array, wherein the female wire harness detection tool head is matched with the male incoming material wire harness connector, the female wire harness detection tool head is provided with a plurality of pin connectors associated with internal circuits, the detection array comprises a plurality of short circuit detection circuits, and each short circuit detection circuit is connected with a corresponding pin connector respectively. Therefore, the wire harness detection tool female head and the incoming wire harness connector male head can be connected, and then the short-circuit detection circuit and the corresponding contact pin connector are connected, so that whether a short circuit exists in the incoming wire harness connector male head and the wire harness detection tool female head or not can be detected through the short-circuit detection circuit, and the problems in the prior art can be solved.

Inventors

  • FANG BIN
  • QUAN JIN

Assignees

  • 海亿新能(临海)科技有限公司

Dates

Publication Date
20260505
Application Date
20250514

Claims (7)

  1. 1. The utility model provides a voltage inspection ware connector internal short circuit detection device which characterized in that, including the public head (1) of incoming material pencil connector, with the public head (1) of incoming material pencil connector adaptation's pencil detects frock female head (2) and detection array (3), wherein: The wire harness detection tool female head (2) is provided with a plurality of contact pin connectors (21) associated with internal circuits; The detection array (3) comprises a plurality of short circuit detection circuits (31), wherein each short circuit detection circuit (31) is respectively connected with a corresponding contact pin joint (21).
  2. 2. The device according to claim 1, wherein the short circuit detection circuit (31) comprises a display lamp (311) and a display lamp protection resistor (312) in series with the display lamp (311).
  3. 3. The apparatus of claim 2, wherein the short circuit detection circuit (31) further comprises a sampling resistor (313), wherein the sampling resistor (313) is connected in parallel with the display lamp (311) and the display lamp protection resistor (312).
  4. 4. The device according to claim 2, wherein the short-circuit detection circuits (31) in the detection array (3) comprise 33 short-circuit detection circuits (31), and The 33 short circuit detection circuits (31) are arranged in 3 rows and 11 columns corresponding to the arrangement mode of the contact pin connectors (21) in the wire harness detection tool female head (2).
  5. 5. The device according to claim 1, characterized in that the pin connector (21) is in particular an L-shaped pin connector.
  6. 6. The device according to claim 1, characterized in that each short-circuit detection circuit (31) is connected to a corresponding pin connector (21) via a pin (4), respectively.
  7. 7. The device according to claim 1, wherein the detection circuit (31) is provided with a pin interface, and Each short circuit detection circuit (31) is connected with the corresponding pin joint (21) through the pin plug interface.

Description

Internal short circuit detection device of voltage inspection device connector Technical Field The utility model relates to the technical field of fuel cell voltage inspection devices, in particular to an internal short circuit detection device of a voltage inspection device connector. Background Since the stack of the fuel cell is generally formed by a large number (usually more than 100) of single cells in series or parallel connection, if one or several of the single cells fail, the stack is likely to fail, and therefore, detection and diagnosis of the single cells in the stack are often required. Currently, a voltage patrol machine (CVM) is generally used for detecting single-cell batteries, specifically, the voltage patrol machine is provided with a plurality of detection units corresponding to each single-cell battery in a stack, and the voltage of each single-cell battery in the stack is accurately detected in real time through the detection units, so that state analysis and fault diagnosis are rapidly performed based on the detected voltage, and therefore, the voltage patrol machine is widely applied to state detection and diagnosis of fuel cell stacks. In practice, it is common to connect a voltage patrol to a fuel cell stack by means of a connector provided with a housing and an internal circuit which can be used to conduct the voltage of each individual cell in the stack to a corresponding detection unit in the voltage patrol, thus ensuring that the internal circuit of the connector is free from short-circuit faults. However, the outer shell is arranged at the periphery of the internal short circuit of the connector, and the internal circuit of the connector needs to be abutted with a plurality of single batteries, so that the internal circuit structure of the connector is complex, and the short circuit fault of the internal circuit of the connector is difficult to detect at present. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide an internal short circuit detection device of a connector of a voltage patrol device, which aims to solve the problem that the short circuit fault of the internal circuit of the connector is difficult to detect in the related art to a certain extent. In order to achieve the above purpose, the utility model adopts the following technical scheme: the embodiment of the application provides an internal short circuit detection device of a voltage inspection device connector, which comprises a male head of an incoming material wire harness connector, a female head of a wire harness detection tool matched with the male head of the incoming material wire harness connector and a detection array, wherein: the wire harness detection tool female head is provided with a plurality of contact pin connectors associated with internal circuits; The detection array comprises a plurality of short circuit detection circuits, wherein each short circuit detection circuit is respectively connected with a corresponding contact pin joint. Preferably, the short circuit detection circuit comprises a display lamp and a display lamp protection resistor connected with the display lamp in series. Preferably, the short circuit detection circuit further comprises a sampling resistor, wherein the sampling resistor is connected with the display lamp and the display lamp protection resistor in parallel. Preferably, the short circuit detection circuits in the detection array comprise 33 short circuit detection circuits, and The 33 short circuit detection circuits are arranged in 3 rows and 11 columns corresponding to the arrangement mode of the pin connectors in the wire harness detection tool female head. Preferably, the pin connector is an L-shaped pin connector. Preferably, each short circuit detection circuit is connected with a corresponding pin joint through a pin. Preferably, the detection circuit is provided with a pin insertion port, and Each short circuit detection circuit is connected with the corresponding pin joint through the pin plug interface. On the basis of the technical scheme, compared with the prior art, the utility model has the advantages that: The internal short circuit detection device for the voltage inspection device connector comprises an incoming material wire harness connector male head, a wire harness detection tool female head matched with the incoming material wire harness connector male head and a detection array, wherein the wire harness detection tool female head is provided with a plurality of pin connectors associated with internal circuits, and the detection array comprises a plurality of short circuit detection circuits, and each short circuit detection circuit is respectively connected with a corresponding pin connector. The pin joint is related to the internal circuit of the wire harness detection tool female head, and the wire harness detection tool female head can be matched with the incoming wire harness conne