一种气体测试仪器保护装置
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI BEIKAFU INTELLIGENT CONTROL TECH CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-17
AI Technical Summary
Existing gas testing instruments and equipment are inefficient, unable to test multiple gases simultaneously, and their pipelines are prone to blockage and cannot be cleaned in a timely manner, affecting experimental accuracy and potentially damaging the instruments.
A three-way valve is used to switch between different gas collection tanks, combined with nitrogen purging and safety protection devices, including negative pressure valves and pressure relief valves, to prevent abnormal pipeline pressure and ensure the cleanliness of pipelines and instruments.
It improved experimental efficiency, reduced production costs, reduced the burden of manual cleaning, ensured the safety of equipment and personnel, and prevented damage to instruments and pipelines.
Smart Images
Figure CN224516539U_ABST
Abstract
Claims
1. A gas testing apparatus protection device, characterized by, include: A three-way valve, with one end connected to a gas pool and the other end connected to the experimental apparatus; An atmospheric pipeline, a nitrogen purging pipeline, and a purging exhaust pipeline are provided between the three-way valve and the experimental instruments. The atmospheric pipeline is sequentially equipped with a solenoid valve, a negative pressure valve, and a filter; the nitrogen purging pipeline is sequentially equipped with a pressure relief valve, a pressure gauge, and a gas cylinder; the purging exhaust pipeline is sequentially equipped with a purging auxiliary pipeline, a purging exhaust solenoid valve, and an exhaust tail filter; the negative pressure valve has a bypass atmospheric channel, which opens to connect to the atmosphere when the filter is clogged; the purging exhaust pipeline is used to introduce residual sample gas between the three-way valve and the nitrogen purging pipeline into the purging auxiliary pipeline.
2. A gas test apparatus protection device as claimed in claim 1, wherein, The three-way valve is used to switch between different gas pools for sampling in experimental instruments.
3. A gas test apparatus protection device as claimed in claim 2, wherein, The negative pressure valve stabilizes the negative pressure in the pipeline through a bypass atmospheric channel, and the pressure relief valve controls the pipeline pressure through automatic pressure relief. Both are used to protect the pipeline and experimental instruments.
4. A gas test apparatus protection device as claimed in claim 3, wherein, The nitrogen purging pipeline, through the synergistic effect of the main pipeline and the auxiliary purging pipeline, purges the residual sample gas inside the pipeline and the experimental instrument, ensuring that there is no sample gas residue in the pipeline and the experimental instrument.
5. A gas test apparatus protection device as claimed in claim 4, wherein, The solenoid valve on the atmospheric pipeline and the pressure relief valve on the nitrogen purging pipeline are respectively connected to the main pipeline between the three-way valve and the experimental instruments.