CN203218693U - Laser with novel cathode cooling device - Google Patents
Laser with novel cathode cooling device Download PDFInfo
- Publication number
- CN203218693U CN203218693U CN 201320249036 CN201320249036U CN203218693U CN 203218693 U CN203218693 U CN 203218693U CN 201320249036 CN201320249036 CN 201320249036 CN 201320249036 U CN201320249036 U CN 201320249036U CN 203218693 U CN203218693 U CN 203218693U
- Authority
- CN
- China
- Prior art keywords
- negative electrode
- laser
- cooling device
- cooling
- water pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Lasers (AREA)
Abstract
The utility model relates to a laser with a novel cathode cooling device. The laser comprises a gas storage pipe, a cooling pipe and a discharge pipe. The gas storage pipe is sleeved outside the cooling pipe; the cooling pipe is provided with a liquid coolant channel; the discharge pipe is sleeved in the cooling pipe; two ends of the discharge pipe are respectively provided with a positive electrode and a negative electrode; the end portion of the cooling pipe corresponding to the negative electrode is provided with the cooling device; the cooling device comprises a cooling jacket extending from the end portion of the cooling pipe to the negative electrode and completely covering the periphery of the negative electrode. When the laser is working, the negative electrode discharges to increase the temperature, and the heat on the negative electrode is transmitted to the cooling jacket covering on the periphery, so as to avoid over-high temperature of the negative electrode and prolong the service life of the negative electrode.
Description
Technical field
The utility model relates to a kind of laser, particularly a kind of laser with novel cathode cooling device.
Background technology
In the present laser, discharge tube is normally made by glass or quartz material, and the inside is filled with carbon dioxide and other assist gass; Electrode generally is nickel hollow cylinder processed; One end of resonant cavity is reflecting optics, and the other end is the output eyeglass.When adding high voltage at electrode, produce glow discharge in the discharge tube, after the minute surface reflection, form laser beam.Bigger power is arranged laser and than higher energy conversion efficiency, spectral line is also abundanter, and the laser output of tens spectral lines is arranged near 10 microns, obtained using widely at aspects such as industry, military affairs, medical treatment, scientific researches.
During laser works, negative electrode discharge, the temperature of negative electrode raises, when negative electrode is in the condition of high temperature for a long time, negative electrode easy deformation or burn, thus seriously influenced life-span of negative electrode; Simultaneously because the negative electrode two ends are sharp-pointed ports, in negative electrode when discharge, make the discharge condition instability in the discharge of negative electrode port easily, and, when negative electrode generation point discharge, the negative electrode port is damaged easily, thereby the unsettled while of laser beam that causes forming also seriously influences the life-span of laser.
So, need badly at present a kind of namely well cooling laser device negative electrode can avoid negative electrode that most advanced and sophisticated laser takes place again.
The utility model content
The purpose of this utility model is: in existing laser, because being in the condition of high temperature, negative electrode damages easily, and in negative electrode when discharge, make the discharge condition instability in sharp-pointed port discharge easily, and cause forming the deficiency that laser beam is unstable and have a strong impact on laser life-span, provide a kind of namely well cooling laser device negative electrode can avoid the laser with novel cathode cooling device of negative electrode generation point discharge again.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of laser with novel cathode cooling device, comprise cylinder, cooling water pipe and discharge tube, described cylinder is sheathed on described cooling water pipe outside, be provided with cooling liquid flowing channel in the described cooling water pipe, be arranged with described discharge tube in the described cooling water pipe, described discharge tube two ends are respectively arranged with positive electrode and negative electrode, the described cooling water pipe end of described negative electrode correspondence is provided with cooling device, and described cooling device comprises that extending to described negative electrode place by described cooling water pipe end also covers the peripheral coolant jacket that forms of described negative electrode fully.When laser works, the negative electrode discharge heats up, and the heat on the negative electrode is delivered to and covers its peripheral coolant jacket, has avoided occurring too high temperature on the negative electrode, has increased the life-span of negative electrode.
As preferred version of the present utility model, be provided with cavity in the described coolant jacket, described cavity and described cooling liquid flowing channel are connected.During laser works, the cooling fluid in the cooling liquid flowing channel flows in the cavity of coolant jacket, makes coolant jacket can cool off negative electrode fast.
As preferred version of the present utility model, described cavity is 1/4～3/4 of described negative electrode length.When laser works, coolant jacket cools off negative electrode, by experiment as can be known, cross when low when the negative electrode temperature, will cause the discharge instability of negative electrode, influence the formation quality of laser beam, so, only with the inner cavity of connecting with cooling liquid flowing channel that arranges of the wherein part of coolant jacket, remainder is solid, has avoided negative electrode temperature to occur and has crossed low and cause the state of negative electrode discharge instability.
As preferred version of the present utility model, described cavity is 1/2 of described negative electrode length, and described cavity and described cooling liquid flowing channel are connected.Obtain by experiment when cavity be described negative electrode length 1/2 the time, avoided the negative electrode temperature to cross low and the guiding discharge instability when negative electrode obtains good cooling again.
As preferred version of the present utility model, described cooling device comprises that also the described cooling water pipe of described negative electrode inwall correspondence is to the extended mount pad of described negative electrode inwall, described negative electrode one end is set on the described mount pad, the other end is provided with ceramic jacket, described ceramic jacket one end is arranged in the described negative electrode, and the other end covers the end of described negative electrode.Because the both ends of negative electrode are mounted seat respectively and ceramic jacket intercepts, when having avoided the negative electrode discharge discharged in the end, making in the negative electrode can stable discharging, improved the life-span of negative electrode, also improved the quality of laser output laser, simultaneously, because negative electrode is installed by mount pad, constant distance between negative electrode and the coolant jacket, make the cooling negative electrode that coolant jacket can be good, avoided negative electrode owing to coolant jacket between local the contact occur and cause the inconsistent negative electrode discharge instability that causes of temperature on the negative electrode.
As preferred version of the present utility model, described mount pad length is 1/5～1/2 of described negative electrode.When mount pad length be described negative electrode 1/5～1/2 the time not only negative electrode can be installed firmly, also the heat of negative electrode can be delivered on the cooling water pipe simultaneously, avoid occurring on the negative electrode too high temperature.
As preferred version of the present utility model, described mount pad length is 1/5～1/3 of described negative electrode.When mount pad length be described negative electrode 1/5～1/3 the time not only negative electrode can be installed firmly, also the heat of negative electrode can be delivered on the cooling water pipe simultaneously, avoid occurring on the negative electrode too high temperature.
As preferred version of the present utility model, described mount pad length is 1/2 of described negative electrode.Mount pad can firmly be installed negative electrode, and can fast the heat on the negative electrode be delivered on the coolant jacket.
As preferred version of the present utility model, the solid section of described coolant jacket is provided with some through holes.When coolant jacket cools off negative electrode, might make the temperature of negative electrode low excessively, when the negative electrode temperature is crossed when low, the negative electrode discharge instability, in order to prevent coolant jacket with the negative electrode sub-cooled, at the solid section of coolant jacket some through holes are set, reduce coolant jacket to the cooling degree of negative electrode.
Laser with novel cathode cooling device of the present utility model, because being extended the periphery that covers negative electrode, the cooling water pipe in the laser forms coolant jacket, and in coolant jacket, arrange with cooling water pipe in the cavity that is connected of cooling liquid flowing channel, when laser works, the negative electrode discharge heats up, heat on the negative electrode is delivered to covering coolant jacket thereon, thereby make negative electrode obtain good cooling, increased the life-span of negative electrode, for fear of the low excessively negative electrode discharge instability that causes of negative electrode temperature, so only with the inner cavity of connecting with cooling liquid flowing channel that arranges of the wherein part of coolant jacket, remainder is solid, having avoided negative electrode temperature to occur crosses low and causes the state of negative electrode discharge instability, and offer some through holes at the solid section of coolant jacket, also further avoid coolant jacket sub-cooled negative electrode, guarantee that negative electrode can stable discharging, simultaneously, negative electrode one end is installed on the mount pad of cooling water pipe inwall extended spot, the other end is provided with the ceramic jacket that covers port, make the both ends of negative electrode be mounted seat and ceramic jacket obstruct respectively, when having avoided the negative electrode discharge discharged in the end, and cause the negative electrode discharge instability.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
1, avoided occurring too high temperature on the negative electrode, increased the life-span of negative electrode.
2, having avoided negative electrode temperature to occur crosses low and causes the negative electrode discharge instability.
When 3, having avoided the negative electrode discharge discharged in the end, and cause the negative electrode discharge instability.
4, negative electrode can firmly be installed, guarantee that each position can both obtain consistent cooling on the negative electrode.
Description of drawings
Fig. 1 is structural representation of the present utility model;
The structural representation that Fig. 2 installs for negative electrode;
Fig. 3 is the structural representation of mount pad
Mark among the figure: 1-cylinder, 2-cooling water pipe, 3-discharge tube, 4-cooling liquid flowing channel, 5-positive electrode, 6-negative electrode, 7-coolant jacket, 8-cavity, 9-mount pad, 10-ceramic jacket, 11-through hole, 12-cooling device.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As Fig. 1, Fig. 2 and the laser with novel cathode cooling device shown in Figure 3, comprise cylinder 1, cooling water pipe 2 and discharge tube 3, described cylinder 1 is sheathed on described cooling water pipe 2 outsides, be provided with cooling liquid flowing channel 4 in the described cooling water pipe 2, be arranged with described discharge tube 3 in the described cooling water pipe 2, described discharge tube 3 two ends are respectively arranged with positive electrode 5 and negative electrode 6, described cooling water pipe 2 ends of described negative electrode 6 correspondences are provided with cooling device 12, and described cooling device 12 comprises that extending to described negative electrode 6 places by described cooling water pipe 2 ends also covers the described negative electrode 6 peripheral coolant jackets 2 that form fully.When laser works, negative electrode 6 discharges heat up, and the heat on the negative electrode 6 is delivered to covering coolant jacket 7 thereon, has avoided occurring too high temperature on the negative electrode 6, has increased the life-span of negative electrode.
Be provided with cavity 8 in the described coolant jacket 7, described cavity 8 is connected with described cooling liquid flowing channel 4.During laser works, the cooling fluid in the cooling liquid flowing channel 4 flows in the cavity 8 of coolant jacket 7, makes coolant jacket 7 can cool off negative electrode 6 fast.
Described cavity 8 is 1/4～3/4 of described negative electrode 6 length.When laser works, 7 pairs of negative electrodes 6 of coolant jacket are cooled off, by experiment as can be known, cross when low when negative electrode 6 temperature, will cause the discharge instability of negative electrode 6, influence the formation quality of laser beam, so, only with the inner cavity of connecting with cooling liquid flowing channel 48 that arranges of the wherein part of coolant jacket 7, remainder is solid, has avoided negative electrode 6 temperature to occur and has crossed low and cause the state of negative electrode 6 discharge instabilities.
Described cavity 8 is 1/2 of described negative electrode 6 length, and described cavity 8 is connected with described cooling liquid flowing channel 4.Obtain by experiment when cavity 8 for described negative electrode 6 length 1/2 the time, avoided negative electrode 6 temperature to cross low and the guiding discharge instability when negative electrode 6 obtains good cooling again.
Described cooling device 12 comprises that also the described cooling water pipe 2 of described negative electrode 6 inwall correspondences is to the extended mount pad 9 of described negative electrode 6 inwalls, described negative electrode 6 one ends are set on the described mount pad 9, the other end is provided with ceramic jacket 10, described ceramic jacket 10 1 ends are arranged in the described negative electrode 6, and the other end covers the end of described negative electrode 6.Because the both ends of negative electrode 6 are mounted seat 9 respectively and ceramic jacket 10 intercepts, when having avoided negative electrode 6 discharges discharged in the end, making in the negative electrode 6 can stable discharging, improved the life-span of negative electrode 6, also improved the quality of laser output laser, simultaneously, because negative electrode 6 is installed by mount pad 9, constant distance between negative electrode 6 and the coolant jacket 7, make the cooling negative electrode 6 that coolant jacket 7 can be good, avoided negative electrode 6 owing to coolant jacket 7 between local the contact occur and cause inconsistent negative electrode 6 discharge instabilities that cause of temperature on the negative electrode 6.
Described mount pad 9 length are 1/5～1/2 of described negative electrode 6.When mount pad 9 length be described negative electrode 6 1/5～1/2 the time, not only negative electrode 6 can be installed firmly, also the heat of negative electrode 6 can be delivered on the cooling water pipe 2 simultaneously, avoid occurring on the negative electrode 6 too high temperature.
Described mount pad 9 length are 1/5～1/3 of described negative electrode 6.When mount pad 9 length be described negative electrode 6 1/5～1/3 the time, not only negative electrode 6 can be installed firmly, also the heat of negative electrode 6 can be delivered on the cooling water pipe 2 simultaneously, avoid occurring on the negative electrode 6 too high temperature.
Described mount pad 9 length are 1/2 of described negative electrode 6.Mount pad 9 can firmly be installed negative electrode 6, and can fast the heat on the negative electrode 6 be delivered on the coolant jacket 2.
The solid section of described coolant jacket 7 is provided with some through holes 11.During 6 coolings of 7 pairs of negative electrodes of coolant jacket, might make the temperature of negative electrode 6 low excessively, when negative electrode 6 temperature are crossed when low, negative electrode 6 discharge instabilities, in order to prevent that coolant jacket 7 is with negative electrode 6 sub-cooled, solid section at coolant jacket 7 arranges some through holes 11, reduces the cooling degree of 7 pairs of negative electrodes of coolant jacket.
Laser with novel cathode cooling device of the present utility model, because being extended the periphery that covers negative electricity 6 utmost points, the cooling water pipe 2 in the laser forms coolant jacket 7, and in coolant jacket 7, arrange with cooling water pipe 2 in the cavity 8 that is connected of cooling liquid flowing channel 4, when laser works, negative electrode 6 discharges heat up, heat on the negative electrode 6 is delivered to covering coolant jacket 7 thereon, thereby make negative electrode 6 obtain good cooling, increased the life-span of negative electrode 6, for fear of low excessively negative electrode 6 discharge instabilities that cause of negative electrode 6 temperature, so only with the inner cavity of connecting with cooling liquid flowing channel 48 that arranges of the wherein part of coolant jacket 7, remainder is solid, having avoided negative electrode 6 temperature to occur crosses low and causes the state of negative electrode 6 discharge instabilities, and offer some through holes at the solid section of coolant jacket, also further avoid coolant jacket sub-cooled negative electrode, guarantee that negative electrode can stable discharging, simultaneously, negative electrode 6 one ends are installed on the mount pad 9, the other end is provided with the ceramic jacket 10 that covers port, make the both ends of negative electricity 6 be mounted seat 9 and ceramic jacket 10 obstructs respectively, when having avoided negative electrode 6 discharges discharged in the end, and cause negative electrode 6 discharge instabilities, the life-span of further having improved laser.
All any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1. laser with novel cathode cooling device, comprise cylinder, cooling water pipe and discharge tube, described cylinder is sheathed on described cooling water pipe outside, be provided with cooling liquid flowing channel in the described cooling water pipe, be arranged with described discharge tube in the described cooling water pipe, described discharge tube two ends are respectively arranged with positive electrode and negative electrode, it is characterized in that, the described cooling water pipe end of described negative electrode correspondence is provided with cooling device, and described cooling device comprises that extending to described negative electrode place by described cooling water pipe end also covers the peripheral coolant jacket that forms of described negative electrode fully.
2. the laser with novel cathode cooling device according to claim 1 is characterized in that, is provided with cavity in the described coolant jacket, and described cavity and described cooling liquid flowing channel are connected.
3. the laser with novel cathode cooling device according to claim 2 is characterized in that, the solid section of described coolant jacket is provided with some through holes.
4. the laser with novel cathode cooling device according to claim 3 is characterized in that, described cavity is 1/4～3/4 of described negative electrode length.
5. the laser with novel cathode cooling device according to claim 4 is characterized in that, described cavity is 1/2 of described negative electrode length.
6. according to any described laser with novel cathode cooling device of claim 1-5, it is characterized in that, described cooling device comprises that also the described cooling water pipe of described negative electrode inwall correspondence is to the extended mount pad of described negative electrode inwall, described negative electrode one end is set on the described mount pad, the other end is provided with ceramic jacket, described ceramic jacket one end is arranged in the described negative electrode, and the other end covers the end of described negative electrode.
7. the laser with novel cathode cooling device according to claim 6 is characterized in that, described mount pad length is 1/5～1/2 of described negative electrode.
8. the laser with novel cathode cooling device according to claim 7 is characterized in that, described mount pad length is 1/5～1/3 of described negative electrode.
9. the laser with novel cathode cooling device according to claim 8 is characterized in that, described mount pad length is 1/2 of described negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320249036 CN203218693U (en) | 2013-05-09 | 2013-05-09 | Laser with novel cathode cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320249036 CN203218693U (en) | 2013-05-09 | 2013-05-09 | Laser with novel cathode cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218693U true CN203218693U (en) | 2013-09-25 |
Family
ID=49208196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320249036 Withdrawn - After Issue CN203218693U (en) | 2013-05-09 | 2013-05-09 | Laser with novel cathode cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259163A (en) * | 2013-05-09 | 2013-08-21 | 成都微深科技有限公司 | Laser device with novel negative electrode cooling device |
| CN103872573A (en) * | 2014-04-04 | 2014-06-18 | 成都微深科技有限公司 | Half-reverse-flow-type high-strength carbon dioxide laser device |
| US20230402806A1 (en) * | 2021-07-15 | 2023-12-14 | Chengdu Weeson Tech Co., Ltd. | Positive high-voltage laser having super-long discharge tube |
-
2013
- 2013-05-09 CN CN 201320249036 patent/CN203218693U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259163A (en) * | 2013-05-09 | 2013-08-21 | 成都微深科技有限公司 | Laser device with novel negative electrode cooling device |
| CN103872573A (en) * | 2014-04-04 | 2014-06-18 | 成都微深科技有限公司 | Half-reverse-flow-type high-strength carbon dioxide laser device |
| US20230402806A1 (en) * | 2021-07-15 | 2023-12-14 | Chengdu Weeson Tech Co., Ltd. | Positive high-voltage laser having super-long discharge tube |
| US11876336B2 (en) * | 2021-07-15 | 2024-01-16 | Chengdu Weeson Tech Co., Ltd. | Positive high-voltage laser having super-long discharge tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203218693U (en) | Laser with novel cathode cooling device | |
| CN101789559B (en) | Gas laser | |
| CN104064955B (en) | A kind of immersion cooling solid laser instrument | |
| CN101562306B (en) | Discharge glass tube for axial quick-flow gas laser | |
| CN103259163B (en) | A kind of laser with novel cathode cooling device | |
| CN103219634B (en) | The carbon dioxide laser of a kind of band fluid cooling jacket | |
| CN113422279A (en) | Positive high-voltage laser with super-long discharge tube | |
| CN204668710U (en) | A kind of CO 2 laser tube of new construction | |
| CN100440648C (en) | Wind cooled, single mold green light laser pumped at end face of semiconductor | |
| CN203813194U (en) | Carbon dioxide laser reflection end cooling jacket | |
| CN209150477U (en) | One kind being conducive to gas-cooled carbon dioxide laser resonant cavity | |
| CN215119526U (en) | Positive high-voltage laser with super-long discharge tube | |
| CN203813195U (en) | Carbon dioxide laser output end cooling jacket | |
| CN205985735U (en) | Two lamp double stick condensing chamber | |
| CN105207045A (en) | Thermal distortion compensation device of disk laser amplifier | |
| CN203326344U (en) | Cooling device for laser reflection mirror | |
| CN202721331U (en) | A high-power thulium laser of a LD pump | |
| CN201667485U (en) | Gas laser | |
| CN203911217U (en) | Carbon dioxide laser | |
| CN203967500U (en) | A kind of radiator with radiating fin for carbon dioxide laser output eyeglass | |
| CN203242907U (en) | Multi-core type carbon dioxide laser tube | |
| WO2018205407A1 (en) | Multi-tube carbon dioxide laser integrated with lens insulating and cooling structure | |
| CN206401706U (en) | The main power amplifier device of all solid state ultrafast laser | |
| CN204045922U (en) | A kind of radiator of the band radiating fin for carbon dioxide laser reflecting optics | |
| CN203300947U (en) | Carbon dioxide laser with oil liquid cooling sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |