CN103794972B - A kind of heavy caliber crystal high accuracy temperature control device - Google Patents
A kind of heavy caliber crystal high accuracy temperature control device Download PDFInfo
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- CN103794972B CN103794972B CN201410066547.1A CN201410066547A CN103794972B CN 103794972 B CN103794972 B CN 103794972B CN 201410066547 A CN201410066547 A CN 201410066547A CN 103794972 B CN103794972 B CN 103794972B
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Abstract
A kind of heavy caliber crystal high accuracy temperature control device, relates to a kind of crystal temperature effect and controls device. heavy caliber crystal accurate temperature cannot be realized for existing heater control and crystal temperature gradient can be kept to control at 0.2 DEG C with inner question. copper ring outer circumference surface is fixed with heater, the straight end face of two inner baffle rings is oppositely arranged and is sleeved in copper ring and radially removably connects with copper ring, it is fixed with, between two inner baffle ring straight end faces, the crystal being vertically arranged, interior fixing end cap is fixing with copper ring to be connected, window glass sheet is fixed on inner baffle ring angled end-face by interior fixing end cap seal, heater outer sheath casing, shell two ends and extenal fixation end cap are fixed, temperature thermocouple is fixed on copper ring, the display instrument of temperature thermocouple is arranged on temperature controller, temperature thermocouple is connected with the display instrument of temperature thermocouple by wire, display instrument output temperature is to temperature controller, temperature controller is connected with heater by wire. the present invention is used for heavy caliber crystal high accuracy temperature control.
Description
Technical field
The present invention relates to a kind of crystal temperature effect and control device.
Background technology
Frequency-doubled conversion technology is the important method obtaining high energy laser, altofrequency, high-octane laser is obtained mainly through the frequency-doubled effect of crystal such as KDP, DKDP, ADP etc., owing to crystal has higher temperature susceplibility, under less variations in temperature, the frequency-doubling conversion efficiency of crystal just can be greatly lowered, therefore need crystal to carry out high-precision temperature control. In a lot of fields, the demand of big light beam altofrequency laser is more and more urgent, simultaneously, 90 �� of noncritical phase matching technology because its there is bigger effective nonlinear optical coefficient, less phase matched angular sensitivity, there is no that optics walks off with the advantage such as utilization rate is high and more and more applied, therefore the temperature control precision of heavy caliber crystal is proposed increasingly higher requirement.
And adopt existing heater cannot realize heavy caliber crystal accurate temperature and control, and crystal temperature gradient cannot be kept to control within 0.2 DEG C.
Summary of the invention
It is an object of the invention to provide a kind of heavy caliber crystal high accuracy temperature control device, solve existing heater and cannot realize the problem that heavy caliber crystal accurate temperature controls and keeps crystal temperature gradient �� T��0.2 DEG C.
This invention address that the problems referred to above take techniques below scheme:
A kind of heavy caliber crystal high accuracy temperature control device, it includes heater; Described heavy caliber crystal high accuracy temperature control device also includes shell, copper ring, temperature control system, two inner baffle rings, two window glass sheets, fixes end cap and two extenal fixation end caps in two, and described temperature control system includes temperature thermocouple and temperature controller;
One of them end face of two opposing end surfaces of each inner baffle ring is straight end face, another end face is angled end-face, the outer circumference surface of described copper ring is fixed with heater, the straight end face of two inner baffle rings is oppositely arranged and is sleeved in copper ring, two inner baffle rings all radially removably connect with copper ring, and it is fixed with, between the straight end face of two inner baffle rings, the crystal being vertically arranged, the angled end-face of each inner baffle ring is provided with a window glass sheet, the lateral surface of two window glass sheets is each provided with in one and fixes end cap, the inner face of interior fixing end cap is oblique inner face, the oblique inner face of interior fixing end cap is consistent with the angled end-face gradient of inner baffle ring,
Each interior fixing end cap is fixing with the abutting end of copper ring to be connected, each window glass sheet is sealed by the oblique inner face of interior fixing end cap and is fixed on the angled end-face of inner baffle ring, outside one shell of suit of heater, shell is cylindric, the two ends of shell are each to be fixed with an extenal fixation end cap, temperature thermocouple is fixed on copper ring through shell and heater, and the display instrument of temperature thermocouple is arranged on temperature controller, and temperature thermocouple is connected with the display instrument of temperature thermocouple by wire.
The present invention provides the benefit that compared with prior art:
1, the present invention is by installing the temperature value Guan Bi as feedback signal control heater of temperature thermocouple test copper ring, the heat source temperature of maintenance crystal, it is possible to obtain copper ring temperature value accurately. The advantage that the present invention also has simple in construction, control accuracy �� T��0.2 DEG C and low cost of manufacture.
2, the present invention controls the temperature of copper ring by the opening and closing of temperature controller control heater, thus heating crystal, by the sealing function of window glass sheet, a stable temperature province can be formed around crystal thus ensureing that crystal has relatively low thermograde (crystal temperature gradient controls within 0.2 DEG C).
Accompanying drawing explanation
Fig. 1 is the overall structure schematic front view of the present invention, and Fig. 2 is the main sectional view of inner baffle ring, and Fig. 3 is the main sectional view of copper ring.
Description of reference numerals: heater 1, crystal 2, window glass sheet 3, extenal fixation end cap 6, shell 7, copper ring 10, key 11, inner baffle ring 12, interior fixing end cap 13, temperature thermocouple 14, temperature controller 15, straight end face 20, angled end-face 21, display instrument 22, keyway 23, groove 24, screwed hole 25.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the specific embodiment of the present invention is described.
Detailed description of the invention one: illustrating in conjunction with Fig. 1-Fig. 3, a kind of heavy caliber crystal high accuracy temperature control device of present embodiment, it includes heater 1; Described heavy caliber crystal high accuracy temperature control device also includes fixing end cap 13 and two extenal fixation end caps 6 in shell 7, copper ring 10, temperature control system, 12, two window glass sheets of two inner baffle rings 3, two, and described temperature control system includes temperature thermocouple 14 and temperature controller 15;
One of them end face of two opposing end surfaces of each inner baffle ring 12 is straight end face 20, another end face is angled end-face 21, the outer circumference surface of described copper ring 10 is fixed with heater 1, the straight end face 20 of two inner baffle rings 12 is oppositely arranged and is sleeved in copper ring 10, two inner baffle rings 12 all radially removably connect with copper ring 10, and between the straight end face 20 of two inner baffle rings 12, it is fixed with the crystal 2 being vertically arranged, the angled end-face 21 of each inner baffle ring 12 is provided with a window glass sheet 3, the lateral surface of two window glass sheets 3 is each provided with in one to fix end cap 13, the inner face of interior fixing end cap 13 is oblique inner face, the oblique inner face of interior fixing end cap 13 is consistent with angled end-face 21 gradient of inner baffle ring 12, each interior fixing end cap 13 is fixing with the abutting end of copper ring 10 is connected (adopt and be screwed connection), each window glass sheet 3 is sealed by the oblique inner face of interior fixing end cap 13 and is fixed on the angled end-face 21 of inner baffle ring 12, outside one shell 7(of suit of heater 1 shields), shell 7 is cylindric, the two ends of shell 7 are each fixes (adopt to be screwed and be connected) with an extenal fixation end cap 6, temperature thermocouple 14 is fixed on copper ring 10 through shell 7 and heater 1, the display instrument 22 of temperature thermocouple 14 is arranged on temperature controller 15, temperature thermocouple 14 is connected (temperature thermocouple 14 is for detecting the temperature of copper ring 10) by wire with the display instrument 22 of temperature thermocouple 14, the temperature data of display instrument 22 output is to temperature controller 15, temperature controller 15 is connected (Guan Bi being realized the circuit of heater 1 by control system) by wire with heater 1.
Temperature thermocouple 14 measuring accuracy in present embodiment is �� 0.1 DEG C;Selected temperature controller 15 can carry out raising or reducing the control temperature of thermal source with 0.1 DEG C/step. The temperature signal of temperature thermocouple 14 exports to temperature controller 15, and temperature controller 15 controls heater 1 current supply circuit on-off.
Detailed description of the invention two: in conjunction with Fig. 1 and Fig. 2 explanation, the lateral wall of present embodiment said two inner baffle ring 12 respectively offers a keyway 23, two keyways 23 arrange on the same line (ensureing the parallel placement of window glass sheet 3), the inwall of copper ring 10 offers groove 24 along its length, groove 24 is corresponding with two keyways 23, each corresponding keyway 23 and groove 24 are built with a key 11, two inner baffle rings 12 are respectively radially removably connected with copper ring 10 by a key 11, and be in close contact between the medial wall of the lateral wall of two inner baffle rings 12 and copper ring 10. stable connection, convenient, it is also convenient for installing simultaneously, in present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Detailed description of the invention three: illustrate in conjunction with Fig. 2, the angle between angled end-face 21 and the straight end face 20 of each inner baffle ring 12 described in present embodiment is ��, ��=5 ��, to eliminate the impact of veiling glare. In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one or two.
Detailed description of the invention four: illustrating in conjunction with Fig. 1 and Fig. 3, the lateral wall of copper ring 10 described in present embodiment offers at least one screwed hole 25, and temperature thermocouple 14 is connected with a screwed hole 25 of copper ring 10. In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
In present embodiment, the quantity of the screwed hole 25 that the lateral wall of copper ring 10 is offered is five, selects one of them screwed hole 25 to be connected with temperature thermocouple 14 as required.
Detailed description of the invention five: illustrating in conjunction with Fig. 1, described in present embodiment, heater 1 is resistance heater. In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Detailed description of the invention six: illustrating in conjunction with Fig. 1, present embodiment said two window glass sheet 3 be arranged in parallel, it is ensured that light path is parallel. In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Detailed description of the invention seven: illustrating in conjunction with Fig. 1, the centrage of crystal 2, window glass sheet 3 and two inner baffle rings 12 described in present embodiment is on the same line. In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Operation principle
The work process (referring to Fig. 1-Fig. 3) of the present invention: first key is arranged in the keyway of two inner baffle rings, then fixed fixing end cap in one by screw and copper ring, a window glass sheet, inner baffle ring, crystal, another inner baffle ring and another window glass sheet is sequentially put in copper ring, installation process is kept away the direct contact window sheet glass of manual-free, and it is carefully placed into crystal, finally it is fixed on fixing end cap in another on copper ring. After installing crystal, being fixed on by temperature thermocouple on the suitable screwed hole of copper ring, sealed by no screwed hole copper plug, display instrument 22 is fixed on temperature controller, is fixed on temperature controller by power line simultaneously. Temperature value in setup control instrument as required, power-on also heats crystal, after 50min, crystal temperature effect can reach stable, temperature value on control instrument can be set simultaneously, control the value that fluctuates of thermal source, when finely tuning plane of crystal temperature at needs, can be controlled by control instrument, after setting new temperature value, can again reach balance after 15min.The present invention a kind of heats heavy caliber crystal in confined space, and crystal can be made to have higher temperature control precision and maintain stable controlled state. Described crystal 2 is heavy caliber crystal, and diameter is �� 80mm.
Claims (7)
1. a heavy caliber crystal high accuracy temperature control device, it includes heater (1); It is characterized in that: described heavy caliber crystal high accuracy temperature control device also includes shell (7), copper ring (10), temperature control system, two inner baffle rings (12), two window glass sheets (3), fixes end cap (13) and two extenal fixation end caps (6) in two, and described temperature control system includes temperature thermocouple (14) and temperature controller (15);
One of them end face of two opposing end surfaces of each inner baffle ring (12) is straight end face (20), another end face is angled end-face (21), the outer circumference surface of described copper ring (10) is fixed with heater (1), the straight end face (20) of two inner baffle rings (12) is oppositely arranged and is sleeved in copper ring (10), two inner baffle rings (12) all radially removably connect with copper ring (10), and between the straight end face (20) of two inner baffle rings (12), it is fixed with the crystal (2) being vertically arranged, the angled end-face (21) of each inner baffle ring (12) is provided with a window glass sheet (3), the lateral surface of two window glass sheets (3) is each provided with in one to fix end cap (13), the inner face of interior fixing end cap (13) is oblique inner face, the oblique inner face of interior fixing end cap (13) is consistent with the angled end-face of inner baffle ring (12) (21) gradient, each interior fixing end cap (13) is fixing with the abutting end of copper ring (10) to be connected, each window glass sheet (3) is sealed by the oblique inner face of interior fixing end cap (13) and is fixed on the angled end-face (21) of inner baffle ring (12), outside one shell (7) of suit of heater (1), shell (7) is cylindric, the two ends of shell (7) are each to be fixed with an extenal fixation end cap (6), temperature thermocouple (14) is fixed on copper ring (10) through shell (7) and heater (1), the display instrument (22) of temperature thermocouple (14) is arranged on temperature controller (15), temperature thermocouple (14) is connected with the display instrument (22) of temperature thermocouple (14) by wire, the temperature data that display instrument (22) exports is to temperature controller (15), temperature controller (15) is connected with heater (1) by wire, the measuring accuracy of temperature thermocouple (14) is �� 0.1 DEG C, selected temperature controller (15) carries out raising or reducing the control temperature of thermal source with 0.1 DEG C/step.
2. a kind of heavy caliber crystal high accuracy temperature control device according to claim 1, it is characterized in that: the lateral wall of said two inner baffle ring (12) respectively offers a keyway (23), two keyways (23) are arranged on the same line, the inwall of copper ring (10) offers groove (24) along its length, groove (24) is corresponding with two keyways (23), each corresponding keyway (23) and groove (24) are built with a key (11), two inner baffle rings (12) are respectively radially removably connected with copper ring (10) by a key (11), and be in close contact between the medial wall of the lateral wall of two inner baffle rings (12) and copper ring (10).
3. a kind of heavy caliber crystal high accuracy temperature control device according to claim 1 or claim 2, it is characterized in that: the angle between angled end-face (21) and straight end face (20) of described each inner baffle ring (12) is ��, ��=5 ��.
4. a kind of heavy caliber crystal high accuracy temperature control device according to claim 1, it is characterized in that: offering at least one screwed hole (25) on the lateral wall of described copper ring (10), temperature thermocouple (14) is connected with a screwed hole (25) of copper ring (10).
5. a kind of heavy caliber crystal high accuracy temperature control device according to claim 1, it is characterised in that: described heater (1) is resistance heater.
6. a kind of heavy caliber crystal high accuracy temperature control device according to claim 1, it is characterised in that: said two window glass sheet (3) be arranged in parallel.
7. a kind of heavy caliber crystal high accuracy temperature control device according to claim 1, it is characterised in that: the centrage of described crystal (2), window glass sheet (3) and two inner baffle rings (12) is on the same line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066547.1A CN103794972B (en) | 2014-02-26 | 2014-02-26 | A kind of heavy caliber crystal high accuracy temperature control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410066547.1A CN103794972B (en) | 2014-02-26 | 2014-02-26 | A kind of heavy caliber crystal high accuracy temperature control device |
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| CN103794972A CN103794972A (en) | 2014-05-14 |
| CN103794972B true CN103794972B (en) | 2016-06-08 |
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| CN110987242B (en) * | 2019-12-17 | 2021-02-02 | 厦门标安科技有限公司 | Improved end cover structure of reaction calorimeter |
| CN113325901B (en) * | 2021-02-08 | 2021-12-21 | 南京工业大学 | Large-caliber nonlinear crystal heating method, system and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916958A (en) * | 2010-08-25 | 2010-12-15 | 核工业理化工程研究院 | Constant temperature control device of frequency doubling crystals of solid laser |
| CN103808694B (en) * | 2014-02-26 | 2015-10-28 | 哈尔滨工业大学 | A kind of heavy caliber crystal defect detection method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3389197B2 (en) * | 2000-04-19 | 2003-03-24 | 三菱重工業株式会社 | Laser wavelength converter |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916958A (en) * | 2010-08-25 | 2010-12-15 | 核工业理化工程研究院 | Constant temperature control device of frequency doubling crystals of solid laser |
| CN103808694B (en) * | 2014-02-26 | 2015-10-28 | 哈尔滨工业大学 | A kind of heavy caliber crystal defect detection method and device |
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Inventor after: Zhang Peng Inventor after: Sun Fuzhong Inventor after: Lu Lihua Inventor after: Liang Yingchun Inventor before: Zhang Peng Inventor before: Liang Yingchun Inventor before: Sun Fuzhong Inventor before: Lu Lihua |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG PENG LIANG YINGCHUN SUN FUZHONG LU LIHUA TO: ZHANG PENG SUN FUZHONG LU LIHUA LIANG YINGCHUN |
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