CN201327945Y - Laser cavity temperature control device - Google Patents
Laser cavity temperature control device Download PDFInfo
- Publication number
- CN201327945Y CN201327945Y CNU200820213353XU CN200820213353U CN201327945Y CN 201327945 Y CN201327945 Y CN 201327945Y CN U200820213353X U CNU200820213353X U CN U200820213353XU CN 200820213353 U CN200820213353 U CN 200820213353U CN 201327945 Y CN201327945 Y CN 201327945Y
- Authority
- CN
- China
- Prior art keywords
- water
- laser cavity
- temperature
- control device
- spool
- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 230000001351 cycling effect Effects 0.000 abstract 3
- 230000005494 condensation Effects 0.000 abstract 2
- 238000009833 condensation Methods 0.000 abstract 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 21
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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Abstract
The utility model provides a laser cavity temperature control device, which comprises a water-water heat exchanger, an outer cycling water loop, a temperature sensor collecting the temperature of a laser cavity body, a valve device controlling the water, and a control device, wherein, a water inlet of the valve device is communicated with a water inlet of the outer cycling water loop through a valve core to form a first passage, and the water inlet of the valve device is communicated with the water outlet of the outer cycling water loop through the valve core to form a second passage; when the temperature which is collected by the laser cavity body is inconsistent with the pre-determined temperature of the control device, the temperature variation of the laser cavity body is small, and the laser cavity body is free from condensation of moisture, thereby improving the light-emitting quality of the laser cavity, and preventing the damage of the laser cavity parts caused by the condensation of the moisture.
Description
Technical field
The utility model relates to a kind of temperature control equipment, particularly relates to a kind of temperature control equipment of laser cavity.
Background technology
The laser cavity cooling device of existing employing water-cooling pattern cooling, its outer circulation water route discharge is controlled by external system usually, and discharge and temperature are maintained fixed constant usually.Will produce following problem like this: when laser cavity was worked, cavity temperature raise, and when cavity temperature was higher than the temperature of the cooling water that circulates, cooling-water flow was taken away the part heat of cavity, reduced the temperature of cavity; When being in holding state after the laser cavity operation, because the temperature that cavity temperature is got back to cooling water again, this variations in temperature makes the cavity dewfall easily, so that influences light quality even damage the laser cavity device.
The utility model content
The technical problem that the utility model solves is, when overcoming laser cavity and after operation, being in holding state, the temperature that cavity temperature is got back to cooling water causes the cavity dewfall to influence the defective of light quality and damage laser cavity device, provide a kind of maintenance laser cavity cavity temperature constant in the basic maintenance of design temperature point, thereby improve the light quality that of laser, and avoid the damage of laser cavity.
The technical scheme of the utility model technical solution problem is: construct a kind of laser cavity temperature control equipment, comprise the water water-to-water heat exchanger, the outer circulation water route, interior circulation waterway, gather the temperature sensor of laser cavity temperature, the valving of control Inlet and outlet water, control device, circulation waterway is connected between water hydro-thermal parallel operation and the laser cavity in described, the outer circulation water route is connected with water hydro-thermal parallel operation, the water inlet of described valving forms first passage by the water inlet in spool and outer circulation water route, the water inlet of described valving forms second channel by the delivery port in spool and outer circulation water route, the temperature of the laser cavity that control device is gathered at temperature sensor with the predefined temperature of control device when inconsistent drive motors to drive valve core rotation, by the rotation change first passage of spool and the discharge size of second channel.
The further technical scheme of the utility model technical solution problem is: the binding of described motor and spool is for flexibly connecting, so that motor can drive valve core rotation.
The further technical scheme of the utility model technical solution problem is: described motor links to each other with the spool crank with crank roller by crank.
The utility model laser cavity temperature control equipment has following beneficial effect: control device preestablishes a temperature according to the working condition of laser cavity, when the temperature that detects laser cavity when temperature sensor is higher than set point, the control device drive motors drives the flow through cooling water inflow of outer circulation water route water water-to-water heat exchanger of valve core rotation increase, reaches to make the laser cavity temperature drop to set point; When the temperature that detects cavity when temperature sensor is lower than set point, the control device drive motors drives valve core rotation and reduces the water yield that flows into the outer circulation water route, the water yield of the water water-to-water heat exchanger of flowing through is reduced, its heat of taking away from cavity is also reduced, temperature underspeeds slack-off, thereby maintains near the set point as far as possible.Like this when laser cavity work and standby, cavity temperature changes little, and laser cavity can dewfall, has improved the light quality that of laser cavity, has prevented that the laser cavity device that causes because of dewfall from damaging approximately.
Description of drawings
Fig. 1 is existing laser cavity temperature control equipment schematic diagram;
Fig. 2 is a laser cavity temperature control equipment schematic diagram of the present utility model;
Fig. 3 regulates temperature spool work schematic diagram for the utility model increases cooling water inflow;
Fig. 4 regulates temperature spool work schematic diagram for the utility model reduces cooling water inflow.
Embodiment
Following content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present invention is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
As shown in Figure 2, in the optimal way of laser cavity temperature control equipment described in the utility model, comprise water water-to-water heat exchanger 3, outer circulation water route 1, interior circulation waterway 2, gather the temperature sensor 7 of laser cavity 4 temperature, the valving 8 of control Inlet and outlet water, control device 5, circulation waterway 2 is connected between water hydro-thermal parallel operation 3 and the laser cavity 4 in described, outer circulation water route 1 is connected with water hydro-thermal parallel operation 3, the water inlet 87 of described valving 8 is by the water inlet 11 formation first passages 85 of spool 81 with outer circulation water route 1, the water inlet 87 of described valving 8 is by the delivery port 12 formation second channels 84 of spool 81 with outer circulation water route 1, the temperature of the laser cavity 4 that control device 5 is gathered at temperature sensor 7 with control device 5 predefined temperature when inconsistent drive motors 6 rotate to drive spool 81, by the rotation change first passage 85 of spool 81 and the discharge size of second channel 84.
Described motor 6 is by crank 88 and crank roller 83 and alive binding of crank 82 formation that is fixed on the spool 81, and the rotation of motor is passed through crank 88 and crank roller 83 and crank 82 and driven spool 81 rotations.
As shown in Figure 2, in laser cavity 4 work, start the laser cavity temperature control equipment, when the temperature that detects laser cavity 4 at temperature sensor 7 equals control device 5 predefined temperature, the water inlet 87 of half cooling water process valving 8 from the cooling water that the water inlet 87 of valving 8 is come in enters outer circulation water route 1 with the first passage 85 that the water inlet 11 in outer circulation water route 1 forms, process water water-to-water heat exchanger 3 is taken away the heat of cavity, reduces temperature; Simultaneously, the second channel 84 that second half cooling water of coming in from the water inlet 87 of valving 8 forms through the delivery port 12 in the water inlet 87 of valving 8 and outer circulation water route 1 directly and the cooling waters of outer circulation water route 1 outflow flow out in the lump, and take away the heat of laser cavity 4 without water water-to-water heat exchanger 3.
As shown in Figures 2 and 3, when laser cavity 4 work, also start the laser cavity temperature control equipment simultaneously.When the temperature that detects laser cavity 4 when temperature sensor 7 is higher than in the control device 5 predefined temperature, control device 5 drive motors 6 clockwise rotate, the clockwise rotating of motor 6 drives spools by crank 88 and crank roller 83 and crank 82 and rotates counterclockwise, passage between the second channel 84 that forms by spool 81 between the water inlet 87 of valving 8 and the delivery port 12 in outer circulation water route 1 reduces, directly reduce from valving 8 water inlets by the cooling water inflow that second channel 84 directly flows out, and the passage between the first passage 85 that forms by spool 81 between the water inlet 11 in the water inlet 87 of valving 8 and outer circulation water route 1 increases, the cooling water inflow of first passage 85 of flowing through increases, the heat that cooling water is taken away laser cavity 4 through water water-to-water heat exchanger 3 also increases, and laser cavity 4 temperature drop to control device 5 predefined temperature.
Clockwise rotate the increase of angle along with motor 6, the angle that rotates counterclockwise by crank 88, crank roller 83 and crank 82 drive spools 81 is also big more, even spool 81 can be turned to second channel 84 is closed, simultaneously, the first passage 85 between the water inlet 11 in spool 81 and outer circulation water route 1 is opened fully.At this moment, the cooling water that enters from valving 8 water inlets 87 all enters the cooling of outer circulation water route 1 and process water water-to-water heat exchanger 3 participation laser cavities 4.
As Fig. 2 and shown in Figure 4, in the laser cavity course of work, when the temperature that detects laser cavity 4 when temperature sensor 7 is lower than in the control device 5 predefined temperature, control device 5 drive motors 6 rotate counterclockwise, the clockwise rotating of motor 6 drives spools 81 by crank 88 and crank roller 83 and crank 82 and clockwise rotates, passage between the second channel 84 that forms by spool 81 between the water inlet 87 of valving 8 and the delivery port 12 in outer circulation water route 1 increases, directly increase from valving 8 water inlets by the cooling water inflow that second channel 84 directly flows out, and the passage between the first passage 85 that forms by spool 81 between the water inlet 11 in the water inlet 87 of valving 8 and outer circulation water route 1 reduces, the cooling water inflow of first passage 85 of flowing through reduces, the heat that cooling water is taken away laser cavity 4 through water water-to-water heat exchanger 3 also reduces, laser cavity 4 temperature decrease speeds are slowed down, and remain near near the control device 5 predefined temperature.
Rotate counterclockwise the increase of angle along with motor 6, the angle that clockwise rotates by crank 88, crank roller 83 and crank 82 drive spools 81 is also big more, even spool 81 can be turned to second channel 84 is opened fully, simultaneously, the first passage 85 between the water inlet 11 in spool 81 and outer circulation water route 1 is closed.At this moment, the cooling water that enters from valving 8 water inlets 87 all flows out in the lump with the cooling water that flow out in outer circulation water route 1, and does not have cooling water to participate in the cooling of laser cavity 4 through water water-to-water heat exchanger 3 by the water inlet in outer circulation water route 1.
Claims (3)
1. laser cavity temperature control equipment, comprise the water water-to-water heat exchanger, outer circulation water route and interior circulation waterway, circulation waterway is connected between water hydro-thermal parallel operation and the laser cavity in described, the outer circulation water route is connected with water hydro-thermal parallel operation, it is characterized in that: also comprise the temperature sensor of gathering the laser cavity temperature, the valving of control Inlet and outlet water, control device, the water inlet of described valving forms first passage by the water inlet in spool and outer circulation water route, the water inlet of described valving forms second channel by the delivery port in spool and outer circulation water route, the temperature of the laser cavity that control device is gathered at temperature sensor with the predefined temperature of control device when inconsistent drive motors to drive valve core rotation, by the rotation change first passage of spool and the discharge size of second channel.
2. laser cavity temperature control equipment according to claim 1 is characterized in that: the binding of described motor and spool is for flexibly connecting, so that motor can drive valve core rotation.
3. laser cavity temperature control equipment according to claim 2 is characterized in that: described motor links to each other with the spool crank with crank roller by crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820213353XU CN201327945Y (en) | 2008-11-11 | 2008-11-11 | Laser cavity temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820213353XU CN201327945Y (en) | 2008-11-11 | 2008-11-11 | Laser cavity temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201327945Y true CN201327945Y (en) | 2009-10-14 |
Family
ID=41179908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820213353XU Expired - Fee Related CN201327945Y (en) | 2008-11-11 | 2008-11-11 | Laser cavity temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201327945Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801104A (en) * | 2012-08-09 | 2012-11-28 | 武汉博激世纪科技有限公司 | System for realizing bidirectional temperature control on laser based on full-bridge controller |
| CN105375245A (en) * | 2015-11-03 | 2016-03-02 | 北京热刺激光技术有限责任公司 | Radio frequency laser with water passing valve block |
| CN106873662A (en) * | 2015-09-17 | 2017-06-20 | 旺矽科技股份有限公司 | Temperature control system and method thereof |
| CN108539564A (en) * | 2018-02-26 | 2018-09-14 | 大族激光科技产业集团股份有限公司 | A kind of anti-condensation device and method of laser system |
| CN109659799A (en) * | 2017-10-10 | 2019-04-19 | 发那科株式会社 | Laser oscillator |
-
2008
- 2008-11-11 CN CNU200820213353XU patent/CN201327945Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801104A (en) * | 2012-08-09 | 2012-11-28 | 武汉博激世纪科技有限公司 | System for realizing bidirectional temperature control on laser based on full-bridge controller |
| CN102801104B (en) * | 2012-08-09 | 2014-10-15 | 武汉博激世纪科技有限公司 | System for realizing bidirectional temperature control on laser based on full-bridge controller |
| CN106873662A (en) * | 2015-09-17 | 2017-06-20 | 旺矽科技股份有限公司 | Temperature control system and method thereof |
| CN106873662B (en) * | 2015-09-17 | 2019-02-26 | 旺矽科技股份有限公司 | Temperature control system and method therefor |
| CN105375245A (en) * | 2015-11-03 | 2016-03-02 | 北京热刺激光技术有限责任公司 | Radio frequency laser with water passing valve block |
| CN109659799A (en) * | 2017-10-10 | 2019-04-19 | 发那科株式会社 | Laser oscillator |
| JP2019071367A (en) * | 2017-10-10 | 2019-05-09 | ファナック株式会社 | Laser oscillator |
| CN109659799B (en) * | 2017-10-10 | 2020-07-24 | 发那科株式会社 | Laser oscillator |
| CN108539564A (en) * | 2018-02-26 | 2018-09-14 | 大族激光科技产业集团股份有限公司 | A kind of anti-condensation device and method of laser system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20151111 |
|
| EXPY | Termination of patent right or utility model |