CN201091050Y - High pressure electrode for corona discharge and discharging unit using the electrode - Google Patents
High pressure electrode for corona discharge and discharging unit using the electrode Download PDFInfo
- Publication number
- CN201091050Y CN201091050Y CNU2007200082007U CN200720008200U CN201091050Y CN 201091050 Y CN201091050 Y CN 201091050Y CN U2007200082007 U CNU2007200082007 U CN U2007200082007U CN 200720008200 U CN200720008200 U CN 200720008200U CN 201091050 Y CN201091050 Y CN 201091050Y
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- discharge
- discharge cell
- insulated tube
- electrode
- field electrode
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Abstract
The utility model provides a high-voltage electrode for corona discharge and a discharge unit adopting the high-voltage electrode, which is characterized in that the high-voltage electrode is composed of a metal discharge rod, a discharge rod insulating tube sleeved on the external circumference of the metal discharge rod and closed at one end, as well as a conductive layer added between the discharge rod and the discharge rod insulating tube; no gaps are reserved between the conductive layer and the metal discharge rod, as well as between the layer and the discharge rod insulating tube; the discharge rod insulating tube nozzle and the metal discharge rod are closed in between; the discharge unit comprises a high-voltage electrode, a discharge unit insulating tube and a ground electrode; the surface layer of the discharge unit insulating tube is provided with a conductive metal layer.
Description
Technical field:
The utility model belongs to the corona discharge device field, relates to high-field electrode and discharge cell thereof that corona discharge is used.
Technical background:
The discharge cell of existing corona discharge device generally adopts the ceramic film coated type glass tube to do insulating barrier, stainless steel tube is done electrode material, treat discharge medium gas by the discharging gap between electrode and the insulating barrier, after the energising, in the gap, produce the gas that discharge effect obtains needs.As the common ozoniferous discharge equipment that is used for, generally the high-field electrode of discharge cell all adopts stainless steel in ozone generator, but because stainless steel is a metal, along with the carrying out of electrion and the generation of ozone gas, the stainless steel high-field electrode the surface and be vulnerable to the corrosion, the discharging efficiency of discharge cell is reduced, and because the material that stainless steel surfaces produces because of corrosion influence the purity of ozone.
And the discharge cell of common ozone generator such as U.S. Pat 6,027,701 described discharge cells comprise ground electrode, insulated tube and high-field electrode, and order from inside to outside is high-field electrode, discharging gap, insulated tube and ground electrode.Wherein the outer wall of insulated tube and ground electrode fuse together by means such as fusion, welding.U.S. Pat 6,027, the schematic diagram of 701 discharge cell is shown in Fig. 4,5, discharge cell comprises ground electrode 11 and high-field electrode 13 among the figure, high-field electrode places ground electrode inside also and between the ground electrode gas gap 12 to be arranged, ground electrode 11 fuses the all-in-one-piece composite construction by metal tube 11a and insulated tube 11b by modes such as fusing, connect, insulated tube 11b is a nexine, the outer surface of high-field electrode 13 has coating of metal oxides and prevents that high-field electrode is subjected to ozone corrosion and degenerates, and high-field electrode inside has the input and output pipeline 13a and the 13b of cooling water.Projection 26 and stage clip by the high-field electrode surface between high-field electrode 13 and the ground electrode 11 are fixed.The advantage of this structure is that insulated tube and ground electrode fuse into one and very close to each other, but its processing technology requires and manufacturing cost is higher, in case and glass tube break or breakdown, discharge cell can not be changed permanent failure.Therefore it need a kind of good heat dissipation effect, low cost of manufacture and be easy to the discharge cell installing, change.
Therefore to solve above-mentioned deficiency, need a kind of corrosion-resistant, can reduce the surface corrosion degree and improve the high-field electrode of discharging efficiency and output object purity, and good heat dissipation effect, low cost of manufacture and be easy to the discharge cell installing, change.
The utility model content:
The purpose of this utility model is to provide the discharge cell that can overcome the high-field electrode of an above-mentioned deficiency at least and use this high-field electrode.
High-field electrode of the present utility model is to realize like this, a kind of high-field electrode that is used for corona discharge, by the metal discharge rod, be enclosed within the discharging rod insulated tube of the end sealing of metal discharge rod periphery, and between discharging rod and discharging rod insulated tube, add conductive layer, the conductive layer that is added can be about 130 ℃ low-temperature alloy or electrolyte solution or conductive fluid medium for fusing point, seals between the discharging rod insulated tube mouth of pipe and the metal discharge rod.
The utility model also provides a kind of discharge cell, comprise each one of ground electrode, discharge cell insulated tube and high-field electrode, wherein high-field electrode adopts the high-field electrode of the utility model such scheme, ground electrode ground connection, described discharge cell also comprises a discharging gap, described discharging gap is arranged between high-field electrode and the discharge cell insulated tube, and the outer surface of discharge cell insulated tube is covered with a conductive metal layer, described conductive metal layer ground connection.
In order to reach better heat radiating effect, be preferred version for gapless the cooperation between discharge cell insulated tube and the ground electrode.
The discharge cell that the ozone generator of employing technical solutions of the utility model is used has following advantage:
1. metal discharge rod surface has insulated tube and low-temperature alloy or conducting medium protection, avoids high-field electrode to be corroded;
2. the extent of corrosion of high-field electrode reduces, and therefore can avoid the discharge cell discharging efficiency to descend;
3. owing to avoided the corrosion on high-field electrode surface, the therefore big purity that improves the discharge output object substantially;
4. ground electrode and discharge cell insulated tube are to closely cooperate but two separate elements, under breaking situation, removes the discharge cell insulated tube damaged discharge cell insulated tube easily, and only need suit discharge cell insulated tube in ground electrode and need not to change intact ground electrode, economize on resources, and it is convenient to install and change, and effectively reduces maintenance cost;
5. discharge cell insulated tube outer surface is covered with one deck conductive metal layer, and the conductive metal layer ground connection of discharge cell insulated tube outer surface, so just can guarantee does not have voltage difference between discharge cell insulated tube outer surface and the ground electrode, even closely do not exist the gap electric discharge phenomena can not take place because of cooperating between discharge cell insulated tube outer surface and the ground electrode yet;
6. be gapless the cooperation between discharge cell insulated tube and the ground electrode, the heat of discharge generation can easily distribute to outer surface by discharge cell insulated tube and ground electrode;
7. the insulated tube of discharge cell and discharging rod and all adopting quartz glass are difficult for breaking the little and good heat dissipation effect of dielectric loss.
Description of drawings:
Fig. 1 is the longitudinal profile schematic diagram of the embodiment one of high-field electrode of the present utility model
Fig. 2 is the cross sectional representation of the embodiment one of high-field electrode of the present utility model
Fig. 3 is the longitudinal profile schematic diagram of high-field electrode embodiment two of the present utility model
Fig. 4 is the cross sectional representation of discharge cell that adopts the high-field electrode of the utility model embodiment one
Fig. 5 is the longitudinal sectional view of the electrode of background technology
Fig. 6 is the cross-sectional view of the electrode of background technology
1 is high-field electrode among Fig. 1,2,3,2 is the discharge cell insulated tube, 3 is ground electrode, 201 is the conductive layer of discharge cell insulated tube outer surface, 101 is discharging rod, 102 is the discharging rod insulated tube, and 103 is the conductive layer that adds between discharging rod and the discharging rod insulated tube 102, and 4 for being arranged on the discharging gap between high-field electrode 1 and the discharge cell insulated tube 2.
Embodiment:
The high-field electrode that is used for corona discharge 1 of the technical solutions of the utility model shown in Fig. 1～3, by metal discharge rod 101, be enclosed within the discharging rod insulated tube 102 of the end sealing of metal discharge rod periphery 101, the other end of discharging rod 101 stretches out beyond discharging rod insulated tube 102 openends, and adds conductive layer 103 between discharging rod 101 and discharging rod insulated tube 102.The conductive layer 103 that high-field electrode shown in Fig. 2 101 added is low-temperature alloy; But the conductive layer 103 that high-field electrode shown in Fig. 3 101 added is electrolyte solution or other conductive fluid mediums, as water.The conductive layer that sealing is avoided adding between the mouth of pipe of discharging rod insulated tube 102 and the metal discharge rod 101 overflows.
As shown in Figure 4, the utility model provides is used to adopt the discharge cell of the high-field electrode that is used for corona discharge of technical solutions of the utility model, comprise the high-field electrode 1 that is nested and installs, respectively one of discharge cell insulated tube 2 and ground electrode 3, order is a high-field electrode 1 from inside to outside, discharge cell insulated tube and 2 ground electrodes 3, ground electrode 3 ground connection, discharging gap 4 is arranged between high-field electrode 1 and the discharge cell insulated tube 2, described ground electrode 3 is to closely cooperate but separate two elements that divide with discharge cell insulated tube 2, discharge cell insulated tube 2 outer surfaces are covered with one deck conductive metal layer 201, the conductive metal layer 201 of discharge cell insulated tube 2 outer surfaces and ground electrode 3 equal ground connection, high-field electrode 1 adopts the high-field electrode of above-mentioned technical solutions of the utility model.
As shown in Figure 4, be gapless closely cooperating between insulated tube 2 of discharge cell described in the present embodiment and the ground electrode 3, but also can be gapped between discharge cell insulated tube 2 and the ground electrode 3 in the practical application, because conductive metal layer 201 ground connection of the outer surface of discharge cell insulated tube 2, therefore no-voltage is poor between the outer surface of discharge cell insulated tube 2 and the ground electrode 3, even so gappedly also gas discharge phenomenon can not take place.
Insulated tube of discharge cell described in the present embodiment 2 and discharging rod insulated tube 102 adopting quartz glass also can adopt pottery, pyrex, mica, plastics or other insulating material that has the anti-again ozone of insulating property (properties) and discharge and corrode.
The conductive metal layer 201 on discharge cell insulated tube 2 top layers can have the material of conductivity for titanium, aluminium, chromium or 316L stainless steel or other.
The discharging rod 101 of high-field electrode 1 can adopt titanium, 316L stainless steel or other conductive material.
Adopt the high-field electrode and the discharge cell of technical solutions of the utility model can be applied in the various corona discharge devices, as ozone generator.
Claims (15)
1. high-field electrode that is used for corona discharge, it is characterized in that: high-field electrode is by metal discharge rod (101), the discharging rod insulated tube (102) of end sealing that is enclosed within metal discharge rod (101) periphery and conductive layer (103) formation that adds between discharging rod (101) and discharging rod insulated tube (102), there is not the gap between conductive layer (103) and metal discharge rod (101) and the discharging rod insulated tube (102), sealing between discharging rod insulated tube (102) mouth of pipe and the metal discharge rod (101).
2. the high-field electrode that is used for corona discharge as claimed in claim 1 is characterized in that: the conductive layer that is added (103) can be various metal or alloy.
3. the high-field electrode that is used for corona discharge as claimed in claim 1 is characterized in that: the conductive layer that is added (103) is a conductive fluid medium.
4. the high-field electrode that is used for corona discharge as claimed in claim 3 is characterized in that: the conductive fluid medium that is added is an electrolyte solution.
5. the high-field electrode that is used for corona discharge as claimed in claim 3 is characterized in that: the conductive fluid medium that is added is a water.
6. the high-field electrode that is used for corona discharge as claimed in claim 1 is characterized in that: described discharging rod insulated tube (102) is a quartz glass.
7. adopt the discharge cell that is used for corona discharge of the described high-field electrode of claim 1, comprise high-field electrode (1), discharge cell insulated tube (2) and ground electrode (3), it is characterized in that: described discharge cell insulated tube (2) top layer has conductive metal layer (201).
8. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: be gapless closely cooperating between discharge cell insulated tube (2) and the ground electrode (1).
9. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: gapped between described discharge cell insulated tube (2) and the ground electrode (1).
10. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: the conductive metal layer (201) on described discharge cell insulated tube (2) top layer is a titanium.
11. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: the conductive metal layer (201) on described discharge cell insulated tube (2) top layer is an aluminium.
12. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: the conductive metal layer (201) on described discharge cell insulated tube (2) top layer is a chromium.
13. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: described discharge cell insulated tube (2) is a ceramic material.
14. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: described discharge cell insulated tube (2) adopts polytetrafluoroethylplastic plastic.
15. the discharge cell that is used for corona discharge as claimed in claim 7 is characterized in that: described discharge cell insulated tube (2) adopts mica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082007U CN201091050Y (en) | 2007-09-08 | 2007-09-08 | High pressure electrode for corona discharge and discharging unit using the electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200082007U CN201091050Y (en) | 2007-09-08 | 2007-09-08 | High pressure electrode for corona discharge and discharging unit using the electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201091050Y true CN201091050Y (en) | 2008-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200082007U Expired - Lifetime CN201091050Y (en) | 2007-09-08 | 2007-09-08 | High pressure electrode for corona discharge and discharging unit using the electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201091050Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189978A (en) * | 2019-06-10 | 2019-08-30 | 公安部第一研究所 | A kind of Novel electric has a fainting spell during acupuncture treatment, corona component and ionic migration spectrometer |
-
2007
- 2007-09-08 CN CNU2007200082007U patent/CN201091050Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189978A (en) * | 2019-06-10 | 2019-08-30 | 公安部第一研究所 | A kind of Novel electric has a fainting spell during acupuncture treatment, corona component and ionic migration spectrometer |
| CN110189978B (en) * | 2019-06-10 | 2024-06-07 | 公安部第一研究所 | Novel corona needle, corona assembly and ion mobility spectrometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080723 |