Intelligent temperature control take-out delivery box system based on photovoltaic power generation and PCM

The intelligent temperature-controlled food delivery box, which combines photovoltaic power generation and PCM phase change materials with Peltier semiconductor temperature control chips, solves the problems of multi-temperature zone temperature control and environmental protection in food delivery boxes, achieving efficient and environmentally friendly temperature control and adapting to high-frequency mobile delivery scenarios.

CN122402918APending Publication Date: 2026-07-17张泽 +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
张泽
Filing Date
2026-04-29
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing food delivery boxes cannot meet the needs of independent temperature control in multiple temperature zones, rely on external power sources with limited battery life, have unreasonable structures, low temperature control efficiency, poor environmental performance, and cannot adapt to high-frequency mobile delivery scenarios.

Method used

It adopts photovoltaic power generation combined with PCM phase change material and Peltier semiconductor temperature control chip, combined with graphene heating chip to achieve active and passive coordinated temperature control. It uses solar energy to drive the temperature control component, and realizes the spatial adjustment of hot and cold zones through temperature zone isolation partition and telescopic cover. It integrates multiple sensors and Bluetooth module for intelligent management.

Benefits of technology

It achieves self-sufficiency in clean energy, precise constant temperature control, and dynamic adjustment of hot and cold zones, improving temperature control efficiency and environmental friendliness. It also features a lightweight design, making it suitable for use in complex environments, and offers both environmental benefits and an enhanced user experience.

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Abstract

The application discloses an intelligent temperature control take-out delivery box system based on photovoltaic power generation and PCM, and relates to the technical field of take-out delivery equipment. The system comprises a solar panel, a box cover, a take-out box body, a temperature zone isolation baffle, a temperature control assembly, a graphene heating sheet and a control panel. The box cover is hinged to the body, and a thermocouple is arranged at the hinge; the inside of the body is divided into at least two independent temperature zones by the slidingly matched temperature zone isolation baffle; the side wall of the body is a multilayer composite structure, which comprises a PP protective layer, a PU foam board, a phase change microcapsule packaging board and a food-grade 1060 pure aluminum plate in sequence, the graphene heating sheet is embedded in the aluminum plate on the heating zone side, and a telescopic pull cover is arranged on the top of the cold zone; the temperature control assembly comprises a Peltier semiconductor temperature control sheet, a cooling fan and a metal cooling fin, and is installed at the center of the temperature zone isolation baffle. The solar panel charges the energy storage lithium battery, and in combination with the latent heat absorption and release characteristics of the phase change material, active and passive collaborative temperature control is realized. The application has the beneficial effects that the active power supply of solar energy, active temperature control of semiconductor and passive heat preservation technology of PCM phase change material and vacuum insulation board are organically combined, the problems of low temperature control precision, weak endurance and poor compatibility of multiple temperature zones of the existing delivery box are solved, green and low-carbon energy utilization and independent and accurate temperature control of multiple temperature zones are realized, and the food delivery quality and logistics efficiency are significantly improved.
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