CN207923310U - A kind of laser temperature sensor - Google Patents
A kind of laser temperature sensor Download PDFInfo
- Publication number
- CN207923310U CN207923310U CN201820038669.3U CN201820038669U CN207923310U CN 207923310 U CN207923310 U CN 207923310U CN 201820038669 U CN201820038669 U CN 201820038669U CN 207923310 U CN207923310 U CN 207923310U
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- laser
- temperature sensor
- curved metal
- resistor
- conducting piece
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Abstract
The utility model provides a kind of laser temperature sensor, belong to device temperature monitoring field, including curved metal heat-conducting piece and thermocouple, the inboard groove of installation laser is provided on the negative camber of curved metal heat-conducting piece, the outside groove of installation semiconductor refrigeration chip is provided on the positive camber of curved metal heat-conducting piece, the bottom of outside groove is provided with the water-guiding hole for dredging condensed water, and multiple through-holes are uniformly provided between inboard groove and outside groove；The installation of TC is in the through-hole and close to laser.The utility model proposes laser temperature sensor can effectively monitor the temperature field of laser, the back side of laser is evenly distributed on using multiple thermocouples, simultaneously using the conductive force and semiconductor refrigerating technology of curved metal heat-conducting piece, it is possible to prevente effectively from measuring inaccurate situation caused by the heat build-up of laser part.
Description
Technical field
The utility model is related to device temperature monitoring field more particularly to a kind of laser temperature sensors.
Background technology
Semiconductor laser is efficient with its, small, light-weight, lower-price characteristic is in military, medical treatment, communication etc.
Field plays the effect that can not be substituted.Due to needing that the temperature constant state of high stable is kept to ensure it when such laser works
Output power and wavelength, make laser more stablize, since the threshold current of semiconductor laser varies with temperature and change,
And it is more sensitive, especially long wavelength more so, so it is that thermostatic control core urgently to be resolved hurrily is asked accurately to detect its temperature field
Topic.
Utility model content
The utility model, which provides a kind of laser temperature sensor, can effectively monitor the temperature field of laser, using more
A thermocouple is evenly distributed on the back side of laser, while utilizing the conductive force and semiconductor refrigerating of curved metal heat-conducting piece
Technology, it is possible to prevente effectively from measuring inaccurate situation caused by the heat build-up of laser part.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that：
A kind of laser temperature sensor, which is characterized in that including curved metal heat-conducting piece, thermocouple and arc-shaped reflecting mirror
Face, wherein：The inboard groove of installation laser is provided on the negative camber of the curved metal heat-conducting piece, the curved metal is led
The outside groove of installation semiconductor refrigeration chip is provided on the positive camber of warmware, the bottom of the outside groove, which is provided with, to be used for
The water-guiding hole of condensed water is dredged, multiple through-holes are uniformly provided between the inboard groove and outside groove；The thermocouple peace
In the through-hole and close to laser；The arc-shaped reflecting mirror face paste is located on the negative camber of the curved metal heat-conducting piece
The laser launched for reflection laser.
Further, further include semiconductor refrigeration chip, fin radiator and radiator fan, wherein：The semiconductor system
The huyashi-chuuka (cold chinese-style noodles) of cold core piece is mounted on by heat conductive silica gel in the outside groove, and the one side of the fin radiator passes through thermal conductive silicon
For glue laminating on the hot face of the semiconductor refrigeration chip, the radiator fan is mounted on the another side of the fin radiator
On.
Further, further include controller, amplifier, NPN type triode, first resistor, second resistance and 3rd resistor,
Wherein：The base stage of the output end connection NPN type triode of the amplifier, the reverse input end of the amplifier connect the control
The input port of the delivery outlet of device processed, the controller connects the thermocouple, and the positive input of the amplifier passes through first
Resistance eutral grounding is in series with second resistance, the collection of the NPN type triode between the reverse input end and output end of the amplifier
Electrode connects 12V voltages by 3rd resistor, and the emitter of the NPN type triode is separately connected semiconductor refrigeration chip and dissipates
Hot-air fan.
Further, the first resistor is identical with the resistance value of second resistance.
Further, the 3rd resistor is variable resistance.
A kind of laser temperature sensor of the utility model has the advantages that：
The utility model proposes laser temperature sensor can effectively monitor the temperature field of laser, use multiple heat
Galvanic couple is evenly distributed on the back side of laser, and multiple thermocouples collect temperature information can by being transferred to controller, controller
To obtain the thermo parameters method of laser by calculating, error caused by spot measurement is avoided.Temperature sensor profit simultaneously
With the conductive force of curved metal heat-conducting piece it is possible to prevente effectively from measuring inaccurate situation, arc caused by the heat build-up of laser part
The semiconductor cooling device being arranged on shape metal heat-conducting piece can start avoiding device because high temperature draws when local temperature is excessively high
The damage risen.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of laser temperature sensor of the utility model；
Fig. 2 is a kind of side structure schematic diagram of laser temperature sensor of the utility model；
Fig. 3 is a kind of electrical block diagram of laser temperature sensor of the utility model.
In figure, 1- curved metals heat-conducting piece, 2- arc reflections minute surface, 3- inboard grooves, groove, 401- water guides on the outside of 4-
Hole, 5- through-holes, 6- thermocouples, 7- semiconductor refrigeration chips, 8- fin radiators, 9- radiator fans, 10- lasers.
Specific implementation mode
In the description of the present invention, it should be understood that term "center", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality
Novel limitation.Term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
Person implicitly indicates the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is
Two or more.
Shown in reference to the accompanying drawings, the utility model is further described：
As shown in Figure 1, 2, a kind of laser temperature sensor, including curved metal heat-conducting piece 1, thermocouple 6 and arc are anti-
Minute surface 2 is penetrated, wherein：The inboard groove 3 of installation laser 10 is provided on the negative camber of the curved metal heat-conducting piece 1, it is described
The outside groove 4 of installation semiconductor refrigeration chip 7 is provided on the positive camber of curved metal heat-conducting piece 1, the outside groove 4
Bottom is provided with the water-guiding hole 401 for dredging condensed water, is uniformly provided between the inboard groove 3 and outside groove 4 more
A through-hole 5；The thermocouple 6 is mounted in the through-hole 5 and close to laser 10；The arc reflection minute surface 2 is sticked in institute
State the laser launched for reflection laser 10 on the negative camber of curved metal heat-conducting piece 1.
It should be noted that thermocouple 6 can be with 10 temperature change of monitoring of environmental temperature or laser, and the temperature is become
Change is changed into electric signal and is sent to controller MCU.In actual work, can to the thermocouple 6 be output voltage with it is Celsius
Temperature is demarcated, and the back side of laser 10 is evenly distributed on using multiple thermocouples 6, and multiple thermocouples 6 collect temperature information
By being transferred to controller, controller can be obtained the thermo parameters method of laser 10 by calculating, avoid spot measurement and draw
The error risen.
Specifically, further include semiconductor refrigeration chip 7, fin radiator 8 and radiator fan 9, wherein：The semiconductor system
The huyashi-chuuka (cold chinese-style noodles) of cold core piece 7 is mounted on by heat conductive silica gel in the outside groove 4, and the one side of the fin radiator 8 is by leading
Hot silica gel is fitted on the hot face of the semiconductor refrigeration chip 7, and the radiator fan 9 is mounted on the fin radiator 8
On another side.The semiconductor cooling device being arranged on curved metal heat-conducting piece 1 can start when local temperature is excessively high to be avoided
Device is because of damage caused by high temperature.When the temperature is excessively high, controller MCU exports control voltage signal, and voltage signal is by putting
Big circuit drives semiconductor refrigeration chip 7 works.
Preferably, the rated voltage of semiconductor refrigeration chip 7 is DC12V, and maximum refrigeration work consumption is 7.8W.
As shown in figure 3, the temperature sensor further include controller MCU, amplifier A, NPN type triode, first resistor R1,
Second resistance R2 and 3rd resistor R3, wherein：The base stage of the output end connection NPN type triode of the amplifier A, the amplification
The reverse input end of device A connects the delivery outlet of the controller, and the input port of the controller connects the thermocouple 6, described
The positive input of amplifier A is grounded by first resistor R1, is connected between the reverse input end and output end of the amplifier A
There are second resistance R2, the collector of the NPN type triode to pass through 3rd resistor R3 connection 12V voltages, the NPN type triode
Emitter be separately connected semiconductor refrigeration chip 7 and radiator fan 9.
Preferably, the first resistor R1 is identical with the resistance value of second resistance R2, both for 100K Ω.3rd resistor R3
For variable resistance, the operating current of the semiconductor refrigeration chip 7 can be adjusted by adjusting 3rd resistor R3.Amplifier A
It is the operational amplifier A of high-performance low-noise, NPN triode is to carry out power amplification processing to the electric signal.
Controller MCU receives 6 collected temperature information of thermocouple, when the temperature is excessively high, controller MCU output controls
Voltage signal, voltage signal drive semiconductor refrigeration chip 7 and radiator fan 9 to work by amplifying circuit, and radiator fan 9 can be with
The heat in 7 hot face of semiconductor refrigeration chip is effectively reduced, while the water-guiding hole 401 of bottom setting can be to avoid in outer concave slot 4
The condensed water of 7 huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigeration chip is assembled.
A kind of 10 temperature sensor of laser of the utility model has the advantages that：
The utility model proposes 10 temperature sensor of laser can effectively monitor the temperature field of laser 10, using more
A thermocouple 6 is evenly distributed on the back side of laser 10, and multiple thermocouples 6 collect temperature information by being transferred to controller,
Controller can obtain the thermo parameters method of laser 10 by calculating, avoid error caused by spot measurement.The temperature simultaneously
Sensor is spent using the conductive force of curved metal heat-conducting piece 1 it is possible to prevente effectively from being measured not caused by the local heat build-up of laser 10
Accurate situation, the semiconductor cooling device being arranged on curved metal heat-conducting piece 1 can start when local temperature is excessively high to be avoided
Device is because of damage caused by high temperature.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (5)
1. a kind of laser temperature sensor, which is characterized in that including curved metal heat-conducting piece, thermocouple and arc-shaped reflecting mirror
Face, wherein：The inboard groove of installation laser is provided on the negative camber of the curved metal heat-conducting piece, the curved metal is led
The outside groove of installation semiconductor refrigeration chip is provided on the positive camber of warmware, the bottom of the outside groove, which is provided with, to be used for
The water-guiding hole of condensed water is dredged, multiple through-holes are uniformly provided between the inboard groove and outside groove；The thermocouple peace
In the through-hole and close to laser；The arc-shaped reflecting mirror face paste is located on the negative camber of the curved metal heat-conducting piece
The laser launched for reflection laser.
2. laser temperature sensor according to claim 1, which is characterized in that further include semiconductor refrigeration chip, wing
Sheet heat radiator and radiator fan, wherein：The huyashi-chuuka (cold chinese-style noodles) of the semiconductor refrigeration chip is mounted on the outer concave by heat conductive silica gel
In slot, the one side of the fin radiator is fitted in by heat conductive silica gel on the hot face of the semiconductor refrigeration chip, described
Radiator fan is mounted on the another side of the fin radiator.
3. laser temperature sensor according to claim 2, which is characterized in that further include controller, amplifier, NPN
Type triode, first resistor, second resistance and 3rd resistor, wherein：The output end connection NPN type triode of the amplifier
Base stage, the reverse input end of the amplifier connect the delivery outlet of the controller, described in the input port connection of the controller
The positive input of thermocouple, the amplifier is grounded by first resistor, the reverse input end and output end of the amplifier
Between be in series with second resistance, the collector of the NPN type triode passes through 3rd resistor and connects 12V voltages, the NPN type three
The emitter of pole pipe is separately connected semiconductor refrigeration chip and radiator fan.
4. laser temperature sensor according to claim 3, which is characterized in that the first resistor and second resistance
Resistance value is identical.
5. laser temperature sensor according to claim 3, which is characterized in that the 3rd resistor is variable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038669.3U CN207923310U (en) | 2018-01-10 | 2018-01-10 | A kind of laser temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038669.3U CN207923310U (en) | 2018-01-10 | 2018-01-10 | A kind of laser temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923310U true CN207923310U (en) | 2018-09-28 |
Family
ID=63616327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820038669.3U Active CN207923310U (en) | 2018-01-10 | 2018-01-10 | A kind of laser temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923310U (en) |
-
2018
- 2018-01-10 CN CN201820038669.3U patent/CN207923310U/en active Active
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