一种气体传感器测试装置
By designing a gas sensor testing device that includes a sealed box, a gas supply system, and a controller, the problems of high cost and low efficiency in existing gas sensor testing are solved, and simplified operation and efficient testing are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAINAN NORMAL UNIV
- Filing Date
- 2025-05-30
- Publication Date
- 2026-07-17
AI Technical Summary
Existing gas sensor testing devices are costly, complex to operate, and have low testing efficiency.
A gas sensor testing device was designed, comprising a sealed box, a gas supply system, a vacuum pump, and a controller. It connects to the gas sensor via a threaded interface, simplifying operation, and controls the gas concentration via an inlet valve and measures the response time via a timer.
It achieves a simple structure, convenient operation, and high testing efficiency, and can test multiple gas sensors simultaneously while ensuring accurate measurement of sealing and response time.
Smart Images

Figure CN224518677U_ABST
Abstract
Claims
1. A gas sensor testing device, comprising a sealed box, a gas supply system, a vacuum pump, and a controller, wherein the gas supply system and the vacuum pump are respectively installed on both sides of the sealed box, and the controller is electrically connected to both the gas supply system and the vacuum pump, characterized in that, The top of the sealed box has a downward-extending threaded interface for threaded connection with the probe protective shell of the gas sensor.
2. A gas sensor test apparatus according to claim 1, wherein The gas supply system includes a gas supply pump and an inlet valve. The gas supply pump is connected to the sealed box through the inlet valve. The controller is electrically connected to both the gas supply pump and the inlet valve.
3. A gas sensor test apparatus according to claim 2, wherein The gas sensor testing device further includes a timer, and the controller is electrically connected to the timer.
4. A gas sensor testing device according to claim 1, wherein The number of threaded interfaces is multiple, and the multiple threaded interfaces are evenly distributed.
5. A gas sensor test apparatus according to claim 1 or 4, characterised in that, Each of the threaded interfaces has a sealing gasket bonded to its outer edge.
6. A gas sensor testing device according to claim 1, wherein The sealed box is equipped with a handle on its side.