Testing device and temperature control method for vehicle-mounted storage device

By separately monitoring the temperature of the device under test and the temperature control board, and using a method of high-temperature active heating and low-temperature passive cooling, the problem of easy damage to memory chip testing devices is solved, and efficient and reliable temperature control and accurate test results are achieved.

CN122090914AActive Publication Date: 2026-05-26SHENZHEN XINGHUO SEMICON TECH CO LTD
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Patent Information

Application Number
CN202610546400.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-23
Publication Date
2026-05-26
Estimated Expiration
2046-04-23

AI Technical Summary

Technical Problem

In existing technologies, the testing equipment for memory chips is easily damaged during high and low temperature testing, and it is difficult to distinguish between SoC and DUT issues, resulting in high testing costs and inaccurate results.

Method used

Design a test device for vehicle-mounted storage devices. Use separate temperature sensors to monitor the temperature of the device under test and the temperature control board to achieve active heating at high temperatures and passive cooling at low temperatures. Prevent damage to the temperature control board through PID control and safety protection logic.

Benefits of technology

It enables precise wide-temperature testing of the device under test, avoids the failure of the temperature control board at ultra-low temperatures, improves the reliability and consistency of the test, and reduces the test cost.

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Abstract

The invention relates to a testing device of a vehicle-mounted storage device and a temperature control method. The testing device comprises a box body and a testing platform arranged in the box body, each test platform is provided with at least one temperature control assembly; each temperature control assembly comprises a temperature control board, a first temperature sensor, a second temperature sensor, a heating piece and a tested device test seat, and the temperature control board is electrically connected with the first temperature sensor, the second temperature sensor and the heating piece; the first temperature sensor and the heating piece are respectively arranged in the tested device testing seat, and the first temperature sensor is used for detecting the temperature in the tested device testing seat; the second temperature sensor is arranged on the temperature control board and used for detecting the temperature of the temperature control board, the temperature control board automatically closes heating temperature control, and refrigeration is conducted through the temperature in the box body. The test cost is low, and the test platform is not easy to damage; and a ready-made test platform can be used, so that the development cost and the design difficulty are reduced.
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