Device for automatically testing derating of connector

Abstract

The utility model discloses a device for automatically testing derating of a connector, which comprises a box body and a PLC (programmable logic controller), a power supply is arranged at the top end of the box body, two supports are mounted in the box body in a sliding manner, an annular heat-sensitive sensor is arranged between the two supports, and a heat-sensitive sensor is mounted at the top end in the box body. According to the utility model, a tester only needs to install a test sample and set parameters, the device can automatically test allowable current values at different environment temperatures, the allowable current-carrying capability of the connector at different environment temperatures is realized by automatically adjusting the environment temperatures, data are collected and processed, and a derating curve is drawn.

Description

Technical Field

[0001] The utility model relates to the technical field of connector derating testing, in particular to a device for automatically testing connector derating. Background Art

[0002] With the rapid development of industrial automation, the application of device buses is becoming more and more extensive, and the requirements for equipment wiring are becoming higher and higher. The reliability and safety of the power supply connection used are also valued. Among them, evaluating whether the current carrying capacity of the electrical connector used can meet the requirements is an important indicator for evaluating whether a connector is qualified or not. Usually, the derating curve is often used as an important basis for testing the current carrying capacity of the connector.

[0003] The test equipment currently used relies on testers to gradually debug the equipment statistics to complete manual drawing. For this reason, we propose a device that automatically tests connector derating. Utility Model Content

[0004] The utility model aims to provide a device for automatically testing connector derating to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a device for automatically testing connector derating, comprising a box and a PLC controller, a power supply is arranged at the top of the box, two brackets are slidably installed in the box, an annular thermistor is arranged between the two brackets, and a thermistor is installed at the top of the box.

[0006] Preferably, a base is installed at the bottom of the box.

[0007] Preferably, a switch is installed at the front of the box.

[0008] Preferably, a transparent observation window is installed on the front of the box.

[0009] Compared with the prior art, the beneficial effect of the utility model is that the tester only needs to install the test sample and set the parameters, the equipment will automatically test the allowable current value under different ambient temperatures and automatically adjust the ambient temperature to achieve the allowable current carrying capacity of the connector under different ambient temperatures, and collect data and process the data to complete the drawing of the derating curve. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is the principle diagram of the utility model;

[0013] Figure 3 It is a derating curve diagram of the utility model;

[0014] Figure 4 This utility model Figure 1 Schematic diagram of the structure of the test sample installation.

[0015] In the figure: 1. Box; 2. Thermistor; 3. Switch; 4. Base; 5. Bracket; 6. Ring-shaped thermistor; 7. Test sample; 8. Power supply. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0017] See also Figure 1-4 In an embodiment of the utility model, a device for automatically testing connector derating includes a box body 1 and a PLC controller, a power supply 8 is arranged at the top of the box body 1, two brackets 5 are slidably installed in the box body 1, a ring-shaped thermistor 6 is arranged between the two brackets 5, and a thermistor 2 is installed at the top of the box body 1; a base 4 is installed at the bottom of the box body 1; a switch 3 is installed at the front of the box body 1; a transparent observation window is installed at the front of the box body 1; the tester only needs to install the test sample 7 and set the parameters, the equipment will automatically test the allowable current value under different ambient temperatures and automatically adjust the ambient temperature to achieve the allowable current carrying capacity of the connector under different ambient temperatures, and collect data and process the data to complete the drawing of the derating curve; PLC overall control is adopted, the thermistor provides real-time temperature, the thermistor detection value far away from the product is the ambient temperature, the program gradually increases the current according to the real-time temperature, makes the connector heat up, and detects the real-time temperature rise through the thermistor, and the temperature rise does not exceed the maximum temperature.

[0018] The working principle of the utility model is that the tester only needs to install the test sample 7 and set the parameters, and the equipment will automatically test the allowable current value under different ambient temperatures and automatically adjust the ambient temperature to achieve the allowable current carrying capacity of the connector under different ambient temperatures, collect data and process the data to complete the drawing of the derating curve.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for automatically testing connector derating, comprising a box (1) and a PLC controller, characterized in that: A power source (8) is arranged at the top of the box (1), two brackets (5) are slidably mounted inside the box (1), an annular thermal sensor (6) is arranged between the two brackets (5), and a thermal sensor (2) is installed at the top of the box (1).

2. The device for automatically testing connector derating according to claim 1, characterized in that: A base (4) is installed at the bottom of the box body (1).

3. The device for automatically testing connector derating according to claim 1, characterized in that: A switch (3) is installed at the front of the box (1).

4. The device for automatically testing connector derating according to claim 1, characterized in that: A transparent observation window is installed on the front of the box (1).

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