CN204466029U - A kind of plasma source anode cooling structure - Google Patents
A kind of plasma source anode cooling structure Download PDFInfo
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- CN204466029U CN204466029U CN201520080253.4U CN201520080253U CN204466029U CN 204466029 U CN204466029 U CN 204466029U CN 201520080253 U CN201520080253 U CN 201520080253U CN 204466029 U CN204466029 U CN 204466029U
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Abstract
The utility model discloses a kind of plasma source anode cooling structure, relate to plasma source technical field.The utility model comprises anode body (1), and described anode body (1) inside is provided with cooling duct (2); Described anode body (1) is provided with air inlet (3) and gas outlet (4); Described air inlet (3) is communicated with cooling duct (2) respectively with gas outlet (4); Described cooling duct (2) is provided with cooling structure (21).The utility model can realize the cooling certainly of plasma source, and utilizes the heat discharged in anode cooling procedure, heated working gas, reduces arc channel domestic and foreign work gas pressure, stable plasma jet.
Description
Technical field
The utility model relates to plasma source technical field, more precisely a kind of plasma source anode cooling structure.
Background technology
Plasma source is the generation device of plasma, and it is the arc energy utilized between negative electrode and positive electrode, is heated by working gas and makes it be ionized into plasma, then forms plasma jet from passage injection.
Anode, as energy carrier, if cool bad, then causes plasma source scaling loss to lose efficacy, and therefore antianode cooling is most important.The current modal type of cooling processes water-cooling channel in plasma source indoor design, utilizes cooling water that additional energy on anode is taken away, and reduces temperature of anode.
State Intellectual Property Office was on 06 20th, 2012, disclosing a publication number is CN202282904U, name is called the utility model patent of " anode assembly of low-temperature plasma generator ", this utility model patent discloses a kind of anode assembly of low-temperature plasma generator, comprises anode, anode water jacket, anode casing and anode cyclone ring; The inwall that anode casing nestles up upper end arranges groove, and the end that the periphery of anode cyclone ring and groove bottom land are oppositely arranged closely cooperates sealing-in, and the space between this anode cyclone ring and groove bottom land forms inlet plenum; The tangential discharge orifice of uniform more than 2 of the circumferencial direction of anode cyclone ring; Anode offers jet pipe vertically, and anode is placed in the below of anode cyclone ring, and the outer surface of anode is connected with anode casing liquid sealing simultaneously; Anode water is placed between anode and anode casing, and the space between anode with anode casing is divided into the cooling water water-supplying chamber and cooling water intake chamber that are communicated with by anode water jacket.
Although this method can ensure that plasma source is stablized, work long hours, the energy that these cooled water-band are walked scatters and disappears in an atmosphere with form of thermal energy, again cannot be utilized, makes the heat efficiency of plasma source not high.
But plasma generator is inner, in gas channel, in gas temperature and arc channel, gas temperature differs greatly, in certain space volume, in two passages, gas pressure is different, in arc channel, gas produces a deboost to gas in gas channel, because the working gas flow of Laminar Plasma Jet is general very little, probably only have 1-30slpm, this deboost can cause the of short duration obstruction of air-flow in gas channel, afterwards because deboost reduces until disappear, block and eliminate.When laminar flow plasma generator works, this deboost can periodically produce and disappear, and this just causes Laminar Plasma Jet unstable.
The external connection traffic meter of gas channel in addition in conventional plasma sources and pressure-reducing valve, internal connection arc channel, during plasma source work, in arc channel, working gas temperature raises, and then air pressure raises, and produces an opposition to the gas in gas channel, cause the air pressure fluctuation in gas channel, and the two differing pressure is larger, fluctuate more obvious, this also causes plasma source jet instability.
Utility model content
For solving above-mentioned deficiency of the prior art, the utility model provides a kind of plasma source anode cooling structure, the utility model can realize the cooling certainly of plasma source, and utilize the heat discharged in anode cooling procedure, heated working gas, reduce arc channel domestic and foreign work gas pressure, stable plasma jet.
In order to solve above-mentioned deficiency of the prior art, the utility model is achieved through the following technical solutions:
A kind of plasma source anode cooling structure, comprises anode body, it is characterized in that: described anode body inside is provided with cooling duct; Described anode body is provided with air inlet and gas outlet; Described air inlet is communicated with cooling duct respectively with gas outlet; Described cooling duct is provided with cooling structure.
Described cooling structure is the cavity being arranged on anode body inside; Described cavity is communicated with gas outlet with air inlet respectively.
Described cooling structure is the cooling structure formed in anode body inside by described cooling duct annular distribution.
Described cooling structure is the cooling structure formed in anode body inside by described cooling duct spiral.
Cooling structure is by the described cooling duct cooling structure that to be vertical spiral formed in anode body inside.
Cooling structure is that flat spin shape is distributed in the cooling structure that formed of anode body inside by described cooling duct.
Described cooling duct is at least provided with one deck cooling structure.
Compared with prior art, the Advantageous Effects that the utility model reaches shows:
1, during plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
2, in order to improve cooling effect further, anode body inside can arrange multilayer cooling duct, increases the contact area of working gas and anode body, thus further increases the effect of additional energy on cooling anodes and absorption anode body.
3, the cooling duct of anode body inside distributes or annular distribution in the shape of a spiral, is all the contact area in order to increase working gas and anode body, and further increases the effect of additional energy on cooling anodes and absorption anode body.
Accompanying drawing explanation
Fig. 1 is the structural representation of polycyclic cooling duct anode;
Fig. 2 is the structural representation of helical form cooling duct anode;
Fig. 3 is plasma source overall structure schematic diagram;
Reference numeral: 1, anode body, 2, cooling duct, 21, cooling structure, 3, air inlet, 4, gas outlet, 5, arc channel, 6, gas channel, 7, cathode.
Embodiment
Embodiment 1
As the utility model one preferred embodiment, present embodiment discloses a kind of cooling structure of plasma source anode, with reference to Figure of description 3, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
Embodiment 2
As the another preferred embodiment of the utility model, present embodiment discloses a kind of cooling structure of plasma source anode, with reference to Figure of description 2, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.Described cooling structure 21 is for being arranged on the cavity of anode body 1 inside; Described cavity is communicated with gas outlet 4 with air inlet 3 respectively.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
Embodiment 3
As the another preferred embodiment of the utility model, present embodiment discloses a kind of cooling structure of plasma source anode, with reference to Figure of description 1, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.Described cooling structure 21 is the cooling structures 21 formed in anode body 1 inside by described cooling duct 2 annular distribution.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
Embodiment 4
As the another preferred embodiment of the utility model, present embodiment discloses a kind of cooling structure of plasma source anode, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.Described cooling structure 21 is the cooling structures 21 formed in anode body 1 inside by described cooling duct 2 spiral.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
In order to improve cooling effect further, anode body inside can arrange multilayer cooling duct, increases the contact area of working gas and anode body, thus further increases the effect of additional energy on cooling anodes and absorption anode body.The cooling duct of anode body inside in the form of a ring or spiral, is all the contact area in order to increase working gas and anode body, and further increases cooling anodes and absorb the effect of additional energy on anode body.
Embodiment 5
As the another preferred embodiment of the utility model, present embodiment discloses a kind of cooling structure of plasma source anode, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.Cooling structure 21 be by described cooling duct 2 in vertical spiral at the cooling structure 21 that anode body 1 inside is formed.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
Embodiment 6
As the another preferred embodiment of the utility model, present embodiment discloses a kind of cooling structure of plasma source anode, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.Cooling structure 21 is distributed in the inner cooling structure 21 formed of anode body 1 by described cooling duct 2 in flat spin shape.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
Described anode body 1 inside is provided with two-layer cooling duct 2; Wherein one deck cooling duct is distributed in anode body inside in the form of a ring, and adjacent two ring-type cooling ducts are communicated with; Another layer of cooling duct is distributed in anode body inside in the shape of a spiral.In order to improve cooling effect further, anode body inside can arrange multilayer cooling duct, increases the contact area of working gas and anode body, thus further increases the effect of additional energy on cooling anodes and absorption anode body.The cooling duct of anode body inside in the form of a ring or spiral, is all the contact area in order to increase working gas and anode body, and further increases cooling anodes and absorb the effect of additional energy on anode body.
Embodiment 7
As the another preferred embodiment of the utility model, present embodiment discloses a kind of cooling structure of plasma source anode, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.Cooling structure 21 is distributed in the inner cooling structure 21 formed of anode body 1 by described cooling duct 2 in flat spin shape.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
Described anode body 1 inside is provided with two-layer cooling duct 2; Wherein one deck cooling duct is distributed in anode body inside in the form of a ring, and adjacent two ring-type cooling ducts are communicated with; Another layer of cooling duct is distributed in anode body inside in the shape of a spiral.In order to improve cooling effect further, anode body inside can arrange multilayer cooling duct, increases the contact area of working gas and anode body, thus further increases the effect of additional energy on cooling anodes and absorption anode body.The cooling duct of anode body inside in the form of a ring or spiral, is all the contact area in order to increase working gas and anode body, and further increases cooling anodes and absorb the effect of additional energy on anode body.
Described cooling duct 2 arranges two-layer cooling structure 21.In order to improve cooling effect further, anode body inside can arrange multilayer cooling duct, increases the contact area of working gas and anode body, thus further increases the effect of additional energy on cooling anodes and absorption anode body.The cooling duct of anode body inside distributes in the form of a ring, is all the contact area in order to increase working gas and anode body, and further increases the effect of additional energy on cooling anodes and absorption anode body.
Embodiment 8
As the another preferred embodiment of the utility model, present embodiment discloses a kind of cooling structure of plasma source anode, the present embodiment comprises anode body 1, and described anode body 1 inside is provided with cooling duct 2; Described anode body 1 is provided with air inlet 3 and gas outlet 4; Described air inlet 3 is communicated with cooling duct 2 respectively with gas outlet 4; Described cooling duct 2 is provided with cooling structure 21.
During plasma source work, working gas enters anode body inside by air inlet, and gas takes away anode body energy in the cooling channel, finally enters in the gas channel of plasma source by gas outlet, finally enters in arc channel; Working gas, in the cooling duct through anode body inside, absorbs the energy of anode body release, and temperature raises, and air pressure increases, and to make inside and outside arc channel gas pressure difference reduce, airflow fluctuation reduces, can stable plasma jet; On anode body, extra energetic portions is used to gas ionization simultaneously, improves the heat efficiency of plasma source.
Described anode body 1 inside is provided with two-layer cooling duct 2; Wherein one deck cooling duct is distributed in anode body inside in the form of a ring, and adjacent two ring-type cooling ducts are communicated with; Another layer of cooling duct is distributed in anode body inside in the shape of a spiral.In order to improve cooling effect further, anode body inside can arrange multilayer cooling duct, increases the contact area of working gas and anode body, thus further increases the effect of additional energy on cooling anodes and absorption anode body.The cooling duct of anode body inside in the form of a ring or spiral, is all the contact area in order to increase working gas and anode body, and further increases cooling anodes and absorb the effect of additional energy on anode body.
Described cooling duct 2 arranges two-layer cooling structure 21.Wherein one deck cooling structure 21 is distributed in the inner cooling structure 21 formed of anode body 1 in the form of a ring by cooling duct 2, and adjacent two ring-type cooling ducts are communicated with; Another layer of cooling structure 21 be by cooling duct 2 in vertical spiral at the cooling structure 21 that anode body 1 inside is formed.In order to improve cooling effect further, anode body inside can arrange multilayer cooling duct, increases the contact area of working gas and anode body, thus further increases the effect of additional energy on cooling anodes and absorption anode body.The cooling duct of anode body inside in the form of a ring or spiral, is all the contact area in order to increase working gas and anode body, and further increases cooling anodes and absorb the effect of additional energy on anode body.
Claims (7)
1. a plasma source anode cooling structure, comprises anode body (1), it is characterized in that: described anode body (1) inside is provided with cooling duct (2); Described anode body (1) is provided with air inlet (3) and gas outlet (4); Described air inlet (3) is communicated with cooling duct (2) respectively with gas outlet (4); Described cooling duct (2) is provided with cooling structure (21).
2. a kind of plasma source anode cooling structure as claimed in claim 1, is characterized in that: described cooling structure (21) is for being arranged on the cavity of anode body inside; Described cavity is communicated with gas outlet (4) with air inlet (3) respectively.
3. a kind of plasma source anode cooling structure as claimed in claim 1, is characterized in that: described cooling structure (21) is the cooling structure (21) formed in anode body (1) inside by described cooling duct (2) annular distribution.
4. a kind of plasma source anode cooling structure as claimed in claim 1, is characterized in that: described cooling structure (21) is the cooling structure (21) formed in anode body (1) inside by described cooling duct (2) spiral.
5. a kind of plasma source anode cooling structure as described in claim 1 or 4, is characterized in that: cooling structure (21) be by described cooling duct (2) in vertical spiral at the cooling structure (21) that formed of anode body (1) inside.
6. a kind of plasma source anode cooling structure as described in claim 1 or 4, is characterized in that: cooling structure (21) is distributed in the inner cooling structure (21) formed of anode body (1) by described cooling duct (2) in flat spin shape.
7. a kind of plasma source anode cooling structure as described in claim 1-4 any one, is characterized in that: described anode body (1) inside is at least provided with one deck cooling structure (21).
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| CN104602433A (en) * | 2015-02-05 | 2015-05-06 | 成都真火科技有限公司 | Plasma source anode cooling structure |
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| CN104602433A (en) * | 2015-02-05 | 2015-05-06 | 成都真火科技有限公司 | Plasma source anode cooling structure |
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