摘要：【中文】本发明提供了一种利用喷枪阵列产生大尺度等离子体羽的装置及方法。所述装置包括放电机构、第一供气机构、第二供气机构和供电机构。放电机构包括一绝缘气道和两个针电极，第一供气机构用于向两个针电极通放电气体，第二供气机构用于向绝缘气道通空气，供电机构采用高压直流电源，使高压直流电源的高压输出端和接地端分别连接两个针电极。打开高压直流电源的开关，逐渐增加电源电压，便可在开放空间产生低温大尺度片状空气等离子体羽，这对大面积的材料处理具有很高的应用价值。 【EN】The invention provides a device and a method for generating a large-scale plasma plume by utilizing a spray gun array. The device comprises a discharging mechanism, a first air supply mechanism, a second air supply mechanism and a power supply mechanism. The discharge mechanism comprises an insulating air passage and two needle electrodes, the first air supply mechanism is used for supplying discharge gas to the two needle electrodes, the second air supply mechanism is used for supplying air to the insulating air passage, and the power supply mechanism adopts a high-voltage direct-current power supply, so that the high-voltage output end and the grounding end of the high-voltage direct-current power supply are respectively connected with the two needle electrodes. When a switch of a high-voltage direct-current power supply is turned on, the power supply voltage is gradually increased, and low-temperature large-scale sheet air plasma plumes can be generated in an open space, so that the method has high application value for large-area material treatment.