Discharge assembly and plasma generating device

Abstract

The application provides a discharge assembly and a plasma generating device, comprising a shell, a discharge needle module and an electrode plate, the discharge needle module comprises an electrode and a discharge needle connected to one side of the electrode, the shell is provided with a discharge cavity in communication with an external fluid, the shell has opposite first and second surfaces, the electrode plate is arranged on the second surface, the first surface is provided with a first mounting groove, the electrode is mounted in the first mounting groove, and a discharge end of the discharge needle is located in the discharge cavity, and the first mounting groove is sealed by a first sealing element. By arranging the first sealing element, the electrode is packaged in the first mounting groove of the shell, the electrode is completely sealed, isolation from the external environment is achieved, and the phenomenon of arc drawing and violent and continuous discharge of the electrode during discharge due to the influence of environmental factors can be effectively prevented, oxidation and corrosion of the electrode in a high-temperature and high-humidity environment can be effectively avoided, the discharge performance and stability of the discharge assembly are improved, and the service life of the product is prolonged.

Claims

1. A discharge assembly, characterized in that, The device includes a housing, a discharge needle module, and an electrode plate. The discharge needle module includes an electrode and a discharge needle connected to one side of the electrode. The housing has a discharge cavity that communicates with an external fluid. The housing has a first side and a second side facing each other. The electrode plate is disposed on the second side. The first side has a first mounting groove. The electrode is installed in the first mounting groove, and the discharge end of the discharge needle is located in the discharge cavity. The first mounting groove is sealed by a first sealing element.

2. The discharge assembly as described in claim 1, characterized in that, The second surface is provided with a second mounting groove, and the electrode plate is installed in the second mounting groove. The second mounting groove is sealed by a second sealing element.

3. The discharge assembly as described in claim 2, characterized in that, The electrode includes a first conductive arm and at least one second conductive arm connected to one side of the first conductive arm; Multiple discharge needles are provided, and the multiple discharge needles are inserted at intervals into the same side of the second conductive arm.

4. The discharge assembly as described in claim 3, characterized in that, The housing includes a first bracket and a second bracket. The first surface is formed on the side of the first bracket opposite to the second bracket, and the second surface is formed on the side of the second bracket opposite to the first bracket. The first bracket has a connecting groove on the side near the second bracket, and the second bracket is installed in the connecting groove.

5. The discharge assembly as described in claim 4, characterized in that, The first bracket includes a first frame and at least one first partition and at least one second partition connected to the end of the first frame away from the second bracket. The first partition and the second partition are alternately connected. The two ends of the first partition and the two ends of the second partition are respectively connected to the inner wall of the first frame and extend toward the side close to the second bracket to form a support portion. The connecting groove is formed between the support portion and the inner wall of the first frame. The discharge cavity is formed between the second bracket, the first partition, the second partition, and the support portion.

6. The discharge assembly as described in claim 5, characterized in that, The first mounting groove is disposed on the side of the first partition and the second partition that is away from the discharge cavity; The bottom of the first mounting groove is provided with a through hole communicating with the discharge cavity, and the discharge needle passes through the through hole, which is located in the first partition and / or the second partition. And / or, a plurality of first through holes are formed between the first partition and the second partition, and the first through holes connect the discharge cavity to the outside.

7. The discharge assembly as described in claim 4, characterized in that, The electrode plate is provided with multiple openings, and the second bracket is provided with multiple second through holes. The second through holes connect the discharge cavity to the outside. Each second through hole and the second mounting groove form a partition wall. The electrode plate is sleeved on the outside of the partition wall through the openings.

8. The discharge assembly as described in claim 7, characterized in that, Each of the discharge needles corresponds to a second through hole position.

9. The discharge assembly as described in any one of claims 1-8, characterized in that, It also includes a first wire and a second wire. One end of the first wire is connected to the electrode and the other end is connected to the negative terminal of the power supply. One end of the second wire is connected to the electrode plate and the other end is connected to the positive terminal of the power supply. A high-voltage capacitor is connected between the first wire and the second wire. Both the first wire and the second wire are led out from the side where the first surface of the housing is located.

10. A plasma generating device, characterized in that, Includes the discharge component as described in any one of claims 1-9.

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