CN205403951U - Laser energy meter probe - Google Patents
Laser energy meter probe Download PDFInfo
- Publication number
- CN205403951U CN205403951U CN201620150976.1U CN201620150976U CN205403951U CN 205403951 U CN205403951 U CN 205403951U CN 201620150976 U CN201620150976 U CN 201620150976U CN 205403951 U CN205403951 U CN 205403951U
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- laser energy
- energy meter
- heat conduction
- absorber
- heat
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Abstract
The utility model discloses a laser energy meter probe, including arranging adhesive absorbent, the even body of heat and thermoelectric battery in proper order, laser energy meter still includes power control system, the even body of heat is including insulating layer, resistance layer and the heat conduction ceramic chip arranged in proper order, the resistance layer plates on the heat conduction ceramic chip, the insulating layer plates on the resistance layer, insulating layer and absorbent bonding, the resistance layer pass through the wire with power control system connects, adopts the mode heating of electroplating the resistance layer on the heat conduction ceramic chip, and the homogeneity of heating is good, can make the thermoelectric battery detect the temperature more uniformly and rise to can improve the repeatability and the accuracy of calibration, owing to directly plate the resistance layer on the heat conduction ceramic chip, the heating region is more close with the laser survey heating region, has improved calibration and measuring equivalence.
Description
Technical field
This utility model relates to measurement of laser energy technical field, in particular to a kind of laser energy meter probe.
Background technology
High power solid state laser system requirements completes the accurate measurement to different bore laser energies, also to possess the ability of electric calibration.nullTraditional thermocouple type laser energy meter is all utilize a piece of neutral dark glass to absorb laser energy as absorber，Become the rising of own temperature，By hot even body (general material is copper or aluminum), the temperature of absorber is laterally being homogenized，Finally，Thermoelectric pile is utilized to measure the value that temperature raises，Thus realizing the measurement to laser energy，And for the electric calibration of thermocouple type laser energy meter，Generally all adopt winding resistance wire outside absorber that energy meter is heated，For partially bigbore laser energy meter，Absorber heat transfer coefficient is relatively low，If heat to be delivered to the chronic of intermediate demand from absorber surrounding，And on the other hand，Resistance wire is directly wound in absorber periphery，Bigger with air contact surfaces，The energy in the environment that dissipates in a calibration process is a lot，Cause that calibration uncertainty can reach about 5%.
Utility model content
For above-mentioned problems of the prior art, this utility model provides a kind of laser energy meter, laser energy meter of the present utility model adopts inhomogeneities and energy loss that resistance direct plating mode on heat conduction ceramics reduces heating in electric calibration process, improves the accuracy of calibration.
For achieving the above object, this utility model provides following technical scheme:
A kind of laser energy meter probe, including being arranged in order the absorber of bonding, hot even body and thermoelectric pile, laser energy meter also includes power control system, the even body of described heat includes the insulating barrier, resistive layer and the heat conduction ceramics that are arranged in order, described resistive layer is plated on heat conduction ceramics, described insulating barrier is plated on resistive layer, and described insulating barrier bonds with absorber, and described resistive layer is connected with described power control system by wire.
Further, described power control system includes time switch.
Further, the thickness of described resistive layer is 30-60 μm.
Further, described absorber is three layers, and the absorptance of absorber increases successively, is maximum with the absorptance of the absorber of insulating barrier bonding.
Further, one layer of absorber surface that absorptance is minimum is provided with broached-tooth design.
Further, described thermoelectric pile and described heat conduction ceramics are bonded by heat-conducting glue.
The beneficial effects of the utility model are as follows: adopting the mode electroplating resistive layer on heat conduction ceramics to heat, the uniformity of heating is good, it is possible to make thermoelectric pile detect temperature than relatively evenly and raise, such that it is able to improve repeatability and the accuracy of calibration；Owing to being directly plated on by resistive layer on heat conduction ceramics, heating region and laser measurement heating region are more nearly, and improve calibration and the equivalence measured.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
In figure: 11 first absorbing sheets, 12 second absorbing sheets, 13 the 3rd absorbing sheets, 14 heat insulation layers, 15 broached-tooth designs, 21 insulating barriers, 22 resistive layers, 23 heat conduction ceramics, 3 thermoelectric piles, 4 cooling heat sinks, 5 sample conversion modules, 6 processors, 7 host computers, 8 wires.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model; below in conjunction with accompanying drawing of the present utility model; the technical solution of the utility model is carried out clear, complete description; based on the embodiment in the application; other similar embodiment that those of ordinary skill in the art obtain under the premise not making creative work, all should belong to the scope of the application protection.
Embodiment one:
nullAs shown in Figure 1，A kind of laser energy meter，Including probe、Control module and host computer 7，Probe includes the absorber of bonding mutually successively、The even body of heat、Thermoelectric pile 3 and cooling heat sink 4，The even body of described heat includes the insulating barrier 21 being arranged in order、Resistive layer 22 and heat conduction ceramics 23，Described resistive layer 22 is plated on heat conduction ceramics 23，Described insulating barrier 21 is plated on resistive layer 22，Described insulating barrier 21 and absorber bonding，Insulating barrier 21 is chosen as silicone grease paint，Resistive layer 22 is chosen as metal material，The thickness of resistive layer 22 is 30-60 μm，Thermoelectric pile 3 is bonded on heat conduction ceramics 23 by heat-conducting glue，The mode electroplating resistive layer 22 on heat conduction ceramics 23 is adopted to heat，The uniformity of heating is good，Thermoelectric pile 3 can be made to raise than relatively evenly detecting temperature，Such that it is able to improve repeatability and the accuracy of calibration；Owing to being directly plated on heat conduction ceramics 23 by resistive layer 22, heating region and laser measurement heating region are more nearly, and improve calibration and the equivalence measured.nullDescribed absorber is three layers，Include the first absorbing sheet 11 respectively、Second absorbing sheet 12 and the 3rd absorbing sheet 13，Direction according to Laser Transmission，First absorbing sheet 11、Second absorbing sheet 12 and the 3rd absorbing sheet 13 are arranged in order，Described first absorbing sheet 11、Second absorbing sheet 12 and the 3rd absorbing sheet 13 by hot key and connect as one，The face of described hot key sum is described first absorbing sheet 11、The maximized surface of the second absorbing sheet 12 or the 3rd absorbing sheet 13，The absorptance of absorptance < the 3rd absorbing sheet 13 of absorptance < second absorbing sheet 12 of described first absorbing sheet 11，The surface configuration of the first absorbing sheet 11 has broached-tooth design 15，The surrounding of absorber is provided with heat insulation layer 14，Absorber of the present utility model adopts 3 absorbing sheet hot keys and forms，And there is gradient in the absorptance of absorbing sheet，Ensure that laser energy tends to being uniformly distributed in absorber，Namely the temperature of absorber tends to being uniformly distributed，Not only shorten heat balance time required in measurement process，And reduce the loss of temperature in measurement process，Improve the accuracy measured.Control module and include sample conversion module 5, processor 6 and power control system 8, thermoelectric pile 3 is connected by wire with sample exchange module 5, sample exchange module 5 is connected by wire with processor 6, processor 6 is connected by wire with host computer 7, the two ends of described resistive layer 22 are connected with described power control system by wire 8, power control system includes time switch, can be loaded in energy meter by quantitative electric energy.
During measurement, after absorber absorbs the energy of laser pulse, temperature raises, and through overheated even body laterally carrying out after temperature homogenizes, is detected by thermoelectric pile 3 and becomes voltage signal.Voltage signal is converted to digital signal by sample conversion module 5, and this signal is carried out storing and being uploaded to host computer 7 by network interface by processor 6, by the energy of computed in software to incident laser；During calibration, the software of host computer 7 arranges the voltage magnitude and time span that are carried on resistive layer 22 by Programmable power supply, and synchronize supply voltage, electric current, time span measurement, to obtain the electric flux being carried on resistive layer 22, start the measurement such as thermoelectric pile 3, sample conversion module 5 simultaneously, obtain the response coefficient popped one's head in input electric flux, and by itself and laser energy contrast equivalence, the field calibration to large aperture laser energy meter can be completed by direct electric flux afterwards.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. a laser energy meter probe, including being arranged in order the absorber of bonding, hot even body and thermoelectric pile, it is characterized in that, laser energy meter also includes power control system, the even body of described heat includes the insulating barrier, resistive layer and the heat conduction ceramics that are arranged in order, and described resistive layer is plated on heat conduction ceramics, and described insulating barrier is plated on resistive layer, described insulating barrier and absorber bonding, described resistive layer is connected with described power control system by wire.
2. laser energy meter according to claim 1 probe, it is characterised in that described power control system includes time switch.
3. laser energy meter according to claim 1 probe, it is characterised in that the thickness of described resistive layer is 30-60 μm.
4. laser energy meter according to claim 1 probe, it is characterised in that described absorber is three layers, and the absorptance of absorber increases successively, is maximum with the absorptance of the absorber of insulating barrier bonding.
5. laser energy meter according to claim 4 probe, it is characterised in that the minimum one layer of absorber surface of absorptance is provided with broached-tooth design.
6. laser energy meter according to claim 1 probe, it is characterised in that described thermoelectric pile and described heat conduction ceramics are bonded by heat-conducting glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150976.1U CN205403951U (en) | 2016-02-29 | 2016-02-29 | Laser energy meter probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150976.1U CN205403951U (en) | 2016-02-29 | 2016-02-29 | Laser energy meter probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205403951U true CN205403951U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620150976.1U Expired - Fee Related CN205403951U (en) | 2016-02-29 | 2016-02-29 | Laser energy meter probe |
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| CN (1) | CN205403951U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299409A (en) * | 2016-11-02 | 2017-01-04 | 上海钧希新能源科技有限公司 | The pile heater of methanol fuel cell |
| CN106328970A (en) * | 2016-11-02 | 2017-01-11 | 上海钧希新能源科技有限公司 | Device for rapidly heating galvanic piles of methanol fuel cell |
| CN107941475A (en) * | 2017-12-18 | 2018-04-20 | 中国工程物理研究院激光聚变研究中心 | A kind of energy measurement and calibration system for large scale laser instrument |
| CN109540284A (en) * | 2018-11-06 | 2019-03-29 | 中国计量科学研究院 | A kind of optical power detector and its measurement method and preparation method |
| CN115326198A (en) * | 2022-08-09 | 2022-11-11 | 西安应用光学研究所 | Pulse laser energy detector and online calibration method thereof |
-
2016
- 2016-02-29 CN CN201620150976.1U patent/CN205403951U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299409A (en) * | 2016-11-02 | 2017-01-04 | 上海钧希新能源科技有限公司 | The pile heater of methanol fuel cell |
| CN106328970A (en) * | 2016-11-02 | 2017-01-11 | 上海钧希新能源科技有限公司 | Device for rapidly heating galvanic piles of methanol fuel cell |
| CN107941475A (en) * | 2017-12-18 | 2018-04-20 | 中国工程物理研究院激光聚变研究中心 | A kind of energy measurement and calibration system for large scale laser instrument |
| CN109540284A (en) * | 2018-11-06 | 2019-03-29 | 中国计量科学研究院 | A kind of optical power detector and its measurement method and preparation method |
| CN115326198A (en) * | 2022-08-09 | 2022-11-11 | 西安应用光学研究所 | Pulse laser energy detector and online calibration method thereof |
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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: 20160727 Termination date: 20170229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |