Collecting valve and gas fire-extinguishing system with same

Abstract

The invention relates to the field of fire extinguishing systems for battery boxes of pure electric vehicles, and discloses a collecting valve for gas fire extinguishing systems, characterized in that the collecting valve includes a collecting valve body, a safety pressure relief valve and several selection valves, Wherein: the collecting valve body includes an air inlet, a collecting channel, a pressure relief port, several diverting ports and several air outlets, the collecting channel is arranged inside the collecting valve body, the air inlet, The pressure relief port and the plurality of diversion ports are respectively communicated with the flow collecting channel, and the plurality of gas outlets are respectively communicated with the plurality of diversion ports; the safety pressure relief valve is arranged in the pressure relief port; The selector valves are respectively arranged in several of the split flow ports. The invention also discloses a gas fire extinguishing system comprising a collecting valve. The invention prevents the safety pressure relief valve and the selector valve from being damaged, and makes the installation of the wiring harness tidy; reduces the non-standard parts, significantly reduces the processing cost, shortens the production period, and improves the production efficiency.

Description

technical field [0001] The invention relates to the field of gas fire extinguishing systems for battery boxes of pure electric vehicles, in particular to a collecting valve for preventing battery boxes from igniting or exploding and a gas fire extinguishing system containing the same. Background technique [0002] The technology of new energy electric vehicles is developing rapidly, and the safety requirements for lithium battery boxes are also high. In order to prevent the battery box from catching fire or exploding, the existing gas fire extinguishing system generally adopts an integrated safety pressure relief valve and multiple integrated selection valves on the outside of a header, and the outlet of each integrated selection valve is connected to the fire extinguishing agent delivery soft pipe to each battery box of the vehicle. [0003] Since the safety pressure relief valve and selector valve are installed outside the collecting pipe, its structure is not compact and...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the safety pressure relief valve and the selection valve are installed outside the manifold in the prior art, the safety pressure relief valve and the selection valve are easily damaged, the overall structure is not compact, the wiring harness connection is messy, and the three-way valve of the selection valve Due to the disadvantages of high body processing cost and long production cycle, the present invention provides a collecting valve and a gas fire extinguishing system including it. The specific technical solution is:

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