A new type of ROHS restricted substance detection rapid heating device

By combining a rapid heating module and a temperature sensing system with gas path switching and flow control, the problems of slow heating and inaccurate temperature control in existing devices have been solved, achieving efficient RoHS ester detection, improving detection sensitivity and repeatability, and simplifying the operation process.

CN224507149UActive Publication Date: 2026-07-17SHANGHAI SIDA ANALYTICAL APP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI SIDA ANALYTICAL APP CO LTD
Filing Date
2025-08-14
Publication Date
2026-07-17

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Abstract

The utility model relates to material detection technical field discloses a kind of quick heating device of novel ROHS restricted material detection, including protector and connector, heating mechanism is arranged in the inside of the protector, detection mechanism is arranged on the outer wall of the protector, connector is arranged at the both ends of the protector, the heating mechanism includes microcomputer control system, heating cavity is opened in the inside of the protector, quick heating module is arranged in the inside of the heating cavity, temperature sensing system is arranged on the outer wall of the quick heating module, temperature sensing system and quick heating module are electrically connected between microcomputer control system, the detection mechanism includes gas path switching module. In the utility model, through the cooperation between the quick heating module and temperature sensing system, it has good heating rate, the heating module can be set to three-stage program heating at most, effectively improves the sensitivity, repeatability and flux of ROHS ester detection in pyrolysis method.
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Claims

1. A novel rapid heating device for detecting RoHS restricted substances, comprising a protective body (1) and a connector (5), characterized in that: The protective body (1) is provided with a heating mechanism (2) inside, a detection mechanism (3) is provided on the outer wall of the protective body (1), and connectors (5) are provided at both ends of the protective body (1). The heating mechanism (2) includes a microcomputer control system (201). The protective body (1) has a heating cavity (202) inside. The heating cavity (202) is equipped with a rapid heating module (204). The outer wall of the rapid heating module (204) is equipped with a temperature sensing system (203). The temperature sensing system (203) and the rapid heating module (204) are electrically connected to the microcomputer control system (201).

2. The rapid heating device for detecting ROHS restricted substances according to claim 1, characterized in that: The detection mechanism (3) includes a gas path switching module (301). A first gas pipe (304) is provided on one side of the outer wall of the gas path switching module (301). One end of the first gas pipe (304) is connected to a common end COM (303). Both ends of the common end COM (303) are connected to the first gas pipe (304). One side of the first gas pipe (304) passes through the outer wall of the connector (5) and extends into the heating cavity (202). The other side of the first gas pipe (304) is provided with a first flow control valve (302) on the outer wall.

3. The rapid heating device for detecting ROHS restricted substances according to claim 2, characterized in that: The gas path switching module (301) has a backflush port (9) on one side of its outer wall, and a first valve (10) is provided on the outer wall of the backflush port (9).

4. The rapid heating device for detecting ROHS restricted substances according to claim 2, characterized in that: The common terminal COM (303) is provided with a NO terminal and an NC terminal, and the NC terminal is connected to one end of the first trachea (304) on one side.

5. The rapid heating device for detecting ROHS restricted substances according to claim 2, characterized in that: The other end of the connector (5) is connected to an air outlet (6) on its outer wall, and the other end of the air outlet (6) is connected to a GC-MS detection module (7).

6. The rapid heating device for detecting ROHS restricted substances according to claim 2, characterized in that: The NC end of the common terminal COM (303) is connected to a second air tube (8), and the other end of the second air tube (8) is connected to the outer wall of the air outlet (6).

7. The rapid heating device for detecting ROHS restricted substances according to claim 5, characterized in that: A third air pipe (12) is connected to one side of the outer wall of the air outlet (6), and a second valve (11) and a second flow control valve (13) are provided on the outer wall of the third air pipe (12).

8. The rapid heating device for detecting ROHS restricted substances according to claim 1, characterized in that: The outer wall of the protective body (1) is sealed with a sealing door (4) on one side.