CN207766631U - A kind of plasma generator and its cathode - Google Patents
A kind of plasma generator and its cathode Download PDFInfo
- Publication number
- CN207766631U CN207766631U CN201820154343.7U CN201820154343U CN207766631U CN 207766631 U CN207766631 U CN 207766631U CN 201820154343 U CN201820154343 U CN 201820154343U CN 207766631 U CN207766631 U CN 207766631U
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- China
- Prior art keywords
- cathode
- counter sink
- emitting head
- head body
- base
- Prior art date
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- 238000005476 soldering Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Plasma Technology (AREA)
Abstract
The utility model provides a kind of plasma generator and its cathode, the cathode includes cathode base (1) and emitting head body (2), the cathode base (1) is tubular body, and one end of the cathode base (1), which has, is inwardly tapered the counter sink formed by edge；The emitting head body (2) is column, and one end of the emitting head body (2) has with the matched flange of the counter sink, soldering connection between the flange and the ring-shaped platform of the counter sink.In the cathode of plasma generator provided by the utility model, there is good welding usability between emitting head body and cathode base, thus can make cathode that there is longer service life.
Description
Technical field
The utility model is related to plasma generator technical field, more particularly to a kind of plasma generator and its
Cathode.
Background technology
Plasma technique is the forward position of current Technological research, and development is very rapid, has application in many industrial circles,
Coal dust is lighted, dangerous waste is handled, waste incineration, steel cutting, metal smelt, surface spraying and nano material manufacture etc..
Cathode is the core component of plasma generator, is both vulnerable part and valuable part, and cost declining, is increased benefit
That the eternal of modern enterprise pursues a goal, therefore, in order to minimize cathode emitting head body volume and quality, some enterprises
By the optical axis that the shape simplification of emitting head body is minor diameter, still, the emitting head body of this structure is being welded to the moon with soldering
When on the matrix of pole, in the circumferential clearance that both is filled in due to solder flux, and the bad control of the size in gap, and circumference everywhere between
Gap is uneven, so being easy that welding usability is caused to be deteriorated, in this way after cathode works a period of time, emitting head is known from experience from cathode
It falls off on matrix, then cathode degradation, end of life.
In conclusion how to improve the cathode of plasma generator, make to have between emitting head body and cathode base good
Good welding usability becomes those skilled in the art's technical problem urgently to be resolved hurrily to improve the service life of cathode.
Utility model content
In view of this, the utility model provides a kind of plasma generator and its cathode, the emitting head body of the cathode
There is good welding usability between cathode base, thus the service life of the cathode is longer.
In order to achieve the above object, the utility model provides the following technical solutions：
A kind of cathode of plasma generator, including cathode base and emitting head body, the cathode base are tubular body,
One end of the cathode base, which has, is inwardly tapered the counter sink formed by edge；The emitting head body is column, the hair
The one end for penetrating a body has with the matched flange of the counter sink, pricker between the flange and the ring-shaped platform of the counter sink
Weldering connection.
Preferably, in above-mentioned cathode, the countersunk head depth of the counter sink is 0.8 times of the width of the ring-shaped platform~
1.2 times, the internal diameter of the ring-shaped platform is 5 times~7 times of the width of the ring-shaped platform, and the thickness of the flange is described heavy
1 times of the countersunk head depth of head bore~1.2 times.
Preferably, in above-mentioned cathode, the cathode base has multiple around equally distributed of axis in tapered region
Curved tooth, described curved tooth are the protrusion on tapered region outer surface.
Preferably, in above-mentioned cathode, the tapered region of the cathode base and the intersection of tubular body are with multiple
Around the equally distributed water conservancy diversion inclined-plane of axis, the water conservancy diversion inclined-plane is with axis into the plane of default angle.
Preferably, in above-mentioned cathode, the counter sink is round or regular polygon.
Preferably, in above-mentioned cathode, the emitting head body is inlaid with gold close to the center of one end of the flange
Belong to stick.
Preferably, in above-mentioned cathode, the one end of the cathode base far from the counter sink has for connecting cathode
The external screw thread of gun body.
Preferably, in above-mentioned cathode, the externally threaded nominal diameter is 45mm or 32mm.
Preferably, in above-mentioned cathode, the material of the cathode base is copper or copper alloy, the material of the emitting head body
For silver or silver alloy.
A kind of plasma generator, including cathode, the cathode are the cathode as disclosed in above-mentioned any one.
According to above-mentioned technical proposal it is found that in the cathode provided by the utility model for plasma generator, tubulose
One end of cathode base have and be inwardly tapered the counter sink formed by edge, and one end of columnar emitting head body has and heavy
The matched flange of head bore, also, soldering connection between flange and the ring-shaped platform of counter sink, due to emitting head body and cathode base
Connection between body is brazed for end face, and end face soldering is got well than the welding usability that circumference is brazed, this ensures that transmitting
It is connected firmly between head body and cathode base, sealed reliable, to make cathode that there is longer service life.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of schematic diagram for cathode that the utility model embodiment one provides；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the schematic diagram in Temperature Distribution region when cathode uses；
Fig. 4 is a kind of schematic diagram for cathode that the utility model embodiment two provides；
Fig. 5 is the vertical view of Fig. 4；
Fig. 6 is a kind of schematic diagram for cathode that the utility model embodiment three provides；
Fig. 7 is the vertical view of Fig. 6.
In figure label for：
1, cathode base；11, curved tooth is played；12, water conservancy diversion inclined-plane；2, emitting head body.
Specific implementation mode
In order to make it easy to understand, the utility model will be further described below in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1 and Fig. 2, Fig. 1 is a kind of schematic diagram for cathode that the utility model embodiment one provides, and Fig. 2 is Fig. 1
Vertical view.The cathode for the plasma generator that embodiment one provides includes cathode base 1 and emitting head body 2, and cathode base 1 is
Tubular body, one end of cathode base 1, which has, is inwardly tapered the counter sink (unmarked in figure) formed by edge；Emitting head body 2 is
Column, one end of emitting head body 2 have with the matched flange of counter sink, be brazed between flange and the ring-shaped platform of counter sink
Connection.
As described in Figure 1, the other end of the opposing flanges of emitting head body 2 is cone-shaped, when making, the cone of emitting head body 2
This one end of shape passes through the counter sink of cathode base 1, passes through soldering between the flange of emitting head body 2 and the ring-shaped platform of counter sink
It is attached, since the connection between emitting head body 2 and cathode base 1 is brazed for end face, and what end face soldering was brazed than circumference
Welding usability will be got well, this ensures that being connected firmly between emitting head body 2 and cathode base 1, sealed reliable, to make the moon
It is great to have longer service life.
In specific practical application, the countersunk head depth s of counter sink can be 0.8 times~1.2 times of the width a of ring-shaped platform,
Generally countersunk head depth s is designed as equal with width a.The thickness h of flange be generally taken as 1 times of the countersunk head depth s of counter sink~
1.2 times.Influence of the high-temperature region to commissure, can set the internal diameter d of ring-shaped platform when working for cathode smaller as possible
5 times~7 times of the width a of ring-shaped platform are calculated as, as shown in figure 3, the flange of emitting head body 2 is located at low temperature when cathode works
Area.
Embodiment two
It is a kind of schematic diagram for cathode that the utility model embodiment two provides referring to Fig. 4 and Fig. 5, Fig. 4, Fig. 5 is Fig. 4
Vertical view.Embodiment two the difference is that only that the structure of cathode base 1 is different with embodiment one, cloudy in embodiment two
Pole matrix 1 has multiple around equally distributed curved tooth 11 of axis in tapered region, and it is on tapered region outer surface to play curved tooth 11
Protrusion.
For plasma generator generally using contact starting the arc mode, contact starting the arc mode requires positive and negative electrode first to contact, after
Separation, this Period Process is very short, if there is excessive carrier wind blows over plasma arc suddenly, then will cause the starting the arc at
Power reduces, and the curved tooth 11 on cathode base 1 can significantly reduce the impact of carrier wind, to improve starting the arc success rate.
Embodiment three
It is a kind of schematic diagram for cathode that the utility model embodiment three provides referring to Fig. 6 and Fig. 7, Fig. 6, Fig. 7 is Fig. 6
Vertical view.Embodiment three the difference is that only that the structure of cathode base 1 is different with embodiment one, cloudy in embodiment three
The tapered region of pole matrix 1 and the intersection of tubular body have multiple around the equally distributed water conservancy diversion inclined-plane 12 of axis, and water conservancy diversion is oblique
Face 12 is with axis into the plane of default angle.
Identical as the purpose of curved tooth 11 has been designed in embodiment two, the purpose that water conservancy diversion inclined-plane 12 is designed in embodiment three is to subtract
The impact of few carrier wind, to improve starting the arc success rate.
In the above various embodiments, the shape of counter sink can be that round or regular polygon, the material of cathode base 1 are general
Copper or copper alloy, the material of emitting head body 2 is selected generally to select silver or silver alloy.In addition, emitting head body 2 is close to one end of flange
Center also can embedded with metal stick, to achieve the purpose that further to extend cathode service life, it should be noted that " gold
Belong to stick " include simple metal stick and alloy bar.
In order to connect cathode gun body, generally external screw thread, externally threaded public affairs are equipped in the one end of cathode base 1 far from counter sink
Claim diameter that can take 45mm or 32mm.
The utility model also provides a kind of plasma generator, which includes that above-described embodiment discloses
Cathode.Since cathode disclosed in above-described embodiment has above-mentioned technique effect, the plasma with the cathode occurs
Device equally has above-mentioned technique effect, and repeats no more herein.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.A variety of modifications of embodiment will be apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, originally
Utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and the principles and novel features disclosed herein
Consistent widest range.
Claims (10)
1. a kind of cathode of plasma generator, including cathode base (1) and emitting head body (2), which is characterized in that described the moon
Pole matrix (1) is tubular body, and one end of the cathode base (1), which has, is inwardly tapered the counter sink formed by edge；The hair
It is column to penetrate a body (2), and one end of the emitting head body (2) has and the matched flange of the counter sink, the flange
The soldering connection between the ring-shaped platform of the counter sink.
2. cathode according to claim 1, which is characterized in that the countersunk head depth (s) of the counter sink is the annular flat
0.8 times of the width (a) of platform~1.2 times, the internal diameter (d) of the ring-shaped platform is 5 times of the width (a) of the ring-shaped platform~
7 times, the thickness (h) of the flange is 1 times~1.2 times of the countersunk head depth (s) of the counter sink.
3. cathode according to claim 1, which is characterized in that the cathode base (1) tapered region have it is multiple around
Equally distributed curved tooth (11) of axis, described curved tooth (11) are the protrusion on tapered region outer surface.
4. cathode according to claim 1, which is characterized in that the tapered region and tubular body of the cathode base (1)
Intersection have multiple around the equally distributed water conservancy diversion inclined-plane (12) of axis, the water conservancy diversion inclined-plane (12) is with axis into default folder
The plane at angle.
5. cathode according to claim 1, which is characterized in that the counter sink is round or regular polygon.
6. cathode according to claim 1, which is characterized in that the emitting head body (2) is close to one end of the flange
Center is inlaid with metal bar.
7. cathode according to claim 1, which is characterized in that the one end of the cathode base (1) far from the counter sink
With the external screw thread for connecting cathode gun body.
8. cathode according to claim 7, which is characterized in that the externally threaded nominal diameter is 45mm or 32mm.
9. cathode according to claim 1, which is characterized in that the material of the cathode base (1) is copper or copper alloy, institute
The material for stating emitting head body (2) is silver or silver alloy.
10. a kind of plasma generator, including cathode, which is characterized in that the cathode is as arbitrary in claim 1~9
Cathode described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820154343.7U CN207766631U (en) | 2018-01-30 | 2018-01-30 | A kind of plasma generator and its cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820154343.7U CN207766631U (en) | 2018-01-30 | 2018-01-30 | A kind of plasma generator and its cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766631U true CN207766631U (en) | 2018-08-24 |
Family
ID=63182350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820154343.7U Active CN207766631U (en) | 2018-01-30 | 2018-01-30 | A kind of plasma generator and its cathode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766631U (en) |
-
2018
- 2018-01-30 CN CN201820154343.7U patent/CN207766631U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 264006 Hengshan Road 9, Yantai Development Zone, Shandong Patentee after: Yantai Longyuan Electric Power Technology Co., Ltd. Address before: 264006 Hengshan Road 9, Weifang Development Zone, Shandong Patentee before: Yantai Longyuan Electric Power Technology Co., Ltd. |