CN107702803A - A kind of infrared point temperature instrument - Google Patents
A kind of infrared point temperature instrument Download PDFInfo
- Publication number
- CN107702803A CN107702803A CN201710975311.3A CN201710975311A CN107702803A CN 107702803 A CN107702803 A CN 107702803A CN 201710975311 A CN201710975311 A CN 201710975311A CN 107702803 A CN107702803 A CN 107702803A
- Authority
- CN
- China
- Prior art keywords
- thermal infrared
- laser
- tool housing
- optical axis
- light
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 3
- 230000013011 mating Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0859—Sighting arrangements, e.g. cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses a kind of infrared point temperature instrument,Thermal infrared camera lens including tool housing and in tool housing,Thermal infrared detector,Data acquisition and display circuit,Green (light) laser,The thermal infrared camera lens and green (light) laser are located at the front side of tool housing inner chamber and be arranged in parallel up and down,So that green (light) laser optical axis is parallel with putting warm instrument optical axis,Set on rear side of the thermal infrared detector face thermal infrared camera lens,The thermal infrared camera lens converges to the caloradiance in the target location region being collected on thermal infrared detector,The signal that the data acquisition and display circuit sense to thermal infrared detector is acquired and in liquid crystal display screen display,Filtering gun sight is installed on the upside of the tool housing,The filtering gun sight is a cylindric cavity body,The front end of the cavity body is provided with a narrow band pass filter,The optical axis of the filtering gun sight is parallel with putting warm instrument optical axis.The invention enables the positioning of infrared point temperature instrument target is more accurate.
Description
Technical field
The present invention relates to optical instrument, and in particular to infrared point temperature instrument.
Background technology
The infrared ray point Wen Yi of con-ventional handheld laser positioning, object is irradiated to by launching red or green laser beam
Surface, visible light spot is formed in body surface, so as to realize the positioning in thermometric region.This kind of warm instrument of point is cheap, possesses
Widely used premise in teams and groups of basic unit.
This infrared ray point Wen Yi is when to the target of indoor without sunlight direct irradiation, because laser facula and surrounding objects
The optical contrast of background is higher, is easily found the position of laser facula positioning.But when outdoor measurement, if sunlight mesh
Mark, strong target object is reflective to flood red or green laser spot signal, cause naked eyes identification laser facula not
Easily.In other words, when this kind of infrared ray point Wen Yi is used for outdoor measurement, laser facula signal disturbs with respect to sunlight background to be believed
Number energy it is too weak, sunshine easily floods laser facula signal, it is not easy to recognize laser facula be positioned at target which
Position, therefore target positioning identification degree is relatively low.
Therefore, even if employing laser locating apparatus, this kind of infrared ray point Wen Yi user is also not easy to know infrared survey
Wen Yi is the temperature of that panel region of test on earth, easily causes the positioning puzzlement during user's use.
The content of the invention
The technical problems to be solved by the invention are just to provide a kind of target and position more accurate infrared point temperature instrument, solve
Positioning puzzlement during user's use.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of infrared point temperature instrument, including tool housing
And thermal infrared camera lens, thermal infrared detector, data acquisition and display circuit, green (light) laser in tool housing, institute
Thermal infrared camera lens and green (light) laser are stated located at the front side of tool housing inner chamber and is be arranged in parallel up and down, so that green (light) laser light
Axle is parallel with putting warm instrument optical axis, is set on rear side of the thermal infrared detector face thermal infrared camera lens, and the thermal infrared camera lens will be received
The caloradiance in the target location region collected is converged on thermal infrared detector, and liquid crystal is provided with rear side of the tool housing
The signal that display screen, the data acquisition and display circuit sense to thermal infrared detector is acquired and on LCDs
It has been shown that, is provided with filtering gun sight on the upside of the tool housing, and the filtering gun sight is a cylindric cavity body, institute
The front end for stating cavity body is provided with a narrow band pass filter, and the optical axis of the filtering gun sight is parallel with putting warm instrument optical axis.
Preferably, the tool housing is gun type of gas burner, is provided with the upside of the rear portion of the tool housing and tilts mounting surface, institute
LCDs is stated on the inclination mounting surface.
Preferably, described green (light) laser is a laser that can launch 532nm wavelength.
Preferably, the centre wavelength 532nm of the narrow band pass filter, bandwidth transmitance in the range of 527-537nm are
80%.
Preferably, the optical axis of the green (light) laser is with putting the distance of warm instrument optical axis within 10mm.
The technical solution adopted by the present invention, infrared point temperature instrument are provided with filtering gun sight, and human eye is by filtering gun sight pair
Target area is observed, because employing narrow band pass filter, bandwidth only has 10nm, be can be good at selectivity and is swashed through green glow
The light that light device is beaten in target；And one is also remained than relatively low but be not too low ratio from sun bias light, this
Sample can cause the sun impinge upon in target can also some visible light-transmissive filtering gun sight, be the scape that human eye experiences target
As.The hot spot of green (light) laser is seen clearly thus, it is possible to understand by filtering gun sight, again it can be seen that target background, reaches people
Eye accurate judgement observation of use instrument region and the purpose of regional center so that the positioning of infrared point temperature instrument target is more accurate.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the structural representation of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
A kind of infrared point temperature instrument as shown in Figure 1, including tool housing 1 and in tool housing 1 intracavitary it is hot red
Outer camera lens 2, thermal infrared detector 3, data acquisition and display circuit 4, green (light) laser 6, the thermal infrared camera lens 2 and green glow swash
Light device 6 is located at the front side of tool housing inner chamber and be arranged in parallel up and down, so that green (light) laser optical axis 61 is with putting warm instrument optical axis 11
Parallel, the rear side of 3 face thermal infrared camera lens of thermal infrared detector 2 is set, the target position that the thermal infrared camera lens 2 will be collected into
The caloradiance for putting region is converged on thermal infrared detector 3, and the data acquisition and display circuit 4 are to thermal infrared detector sense
The signal answered is acquired and shown on LCDs 5.
Wherein, thermal infrared camera lens 2 is a pipe cavity body, and front end is equipped with the glass window of a diathermanous infrared ray.Heat
Infrared detector 3 is the detector of a detectable Thermal Infra-Red, and detector front end is packaged with a collector lens.It is described
Filtering gun sight 7 is installed, the filtering gun sight is a cylindric cavity body, the cavity body on the upside of tool housing
Front end one narrow band pass filter 72 is installed, filtering gun sight optical axis 71 is parallel with the warm instrument optical axis 11 of point.
During actual use, the thermal infrared light from measured target radiation passes through thermal infrared camera lens 2, before thermal infrared camera lens 2
The glass window at end not only with diathermanous infrared ray but also can prevent camera lens from entering dust.The Thermal Infra-Red of target emanation passes through thermal infrared
The lens of the front end of detector 3 are converged on detector, and detector induces infrared light intensity, by data acquisition and display circuit
4 carry out signal acquisition, are shown finally by LCDs 5.
In addition, the tool housing 1 is gun type of gas burner, it is provided with the upside of the rear portion of the tool housing and tilts mounting surface, institute
LCDs 5 is stated on the inclination mounting surface.Gripping and observation when being easy to use show result.
Wherein, described green (light) laser 6 is a laser that can launch 532nm wavelength.The narrow band pass filter 72
Centre wavelength 532nm, bandwidth transmitance in the range of 527-537nm is 80%, and the background transmittance outside this bandwidth is
3-10%.Green (light) laser optical axis 61 is with putting the distance of warm instrument optical axis 11 within 10mm.So laser point to position with
Actual position error payes attention to what can be received in the range of 10mm, in power system detection.
Human eye, target area is observed by filtering gun sight 7, because employing narrow band pass filter 72, bandwidth is only
There is 10nm, can be good at the light that selectivity is beaten in target through green (light) laser.And also retain from sun bias light
One than relatively low but be not too low ratio, so can cause the sun impinge upon in target can also some visible ray it is saturating
Filtering gun sight 7 is crossed, is the scene that human eye experiences target.Thus, it is possible to clearly see green laser clearly by filtering gun sight 7
The hot spot of device 6, target background is can see again, reach the purpose of human eye accurate judgement observation of use instrument region and regional center,
So that the positioning of infrared point temperature instrument target is more accurate.Compared with prior art, the invention has the advantages that can to reduce sunshine red
The interference of outside line, human eye can be more accurate with accurate observation to the position of green laser hot spot, target positioning.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong in claims of the present invention and determine
The scope of justice.
Claims (5)
1. a kind of infrared point temperature instrument, including tool housing and thermal infrared camera lens in tool housing, thermal infrared detector,
Data acquisition and display circuit, green (light) laser, before the thermal infrared camera lens and green (light) laser are located at tool housing inner chamber
Side and it be arranged in parallel up and down, so that green (light) laser optical axis is parallel with putting warm instrument optical axis, the thermal infrared detector face heat is red
Set on rear side of outer camera lens, the caloradiance in the target location region being collected into is converged to thermal-infrared sensing by the thermal infrared camera lens
On device, LCDs is installed, the data acquisition and display circuit are to thermal infrared detector on rear side of the tool housing
The signal of sensing is acquired and in liquid crystal display screen display, it is characterised in that：Filter is installed on the upside of the tool housing
Ripple gun sight, the filtering gun sight are a cylindric cavity body, and the front end of the cavity body is provided with an arrowband filter
Mating plate, the optical axis of the filtering gun sight are parallel with putting warm instrument optical axis.
A kind of 2. infrared point temperature instrument according to claim 1, it is characterised in that：The tool housing is gun type of gas burner, institute
State to be provided with the upside of the rear portion of tool housing and tilt mounting surface, the LCDs is arranged on the inclination mounting surface.
A kind of 3. infrared point temperature instrument according to claim 1, it is characterised in that：Described green (light) laser, which is one, to be sent out
Penetrate the laser of 532nm wavelength.
A kind of 4. infrared point temperature instrument according to claim 3, it is characterised in that：The centre wavelength of the narrow band pass filter
532nm, bandwidth transmitance in the range of 527-537nm is 80%.
A kind of 5. infrared point temperature instrument according to claim 1, it is characterised in that：The optical axis of the green (light) laser and point temperature
The distance of instrument optical axis is within 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975311.3A CN107702803A (en) | 2017-10-16 | 2017-10-16 | A kind of infrared point temperature instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975311.3A CN107702803A (en) | 2017-10-16 | 2017-10-16 | A kind of infrared point temperature instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107702803A true CN107702803A (en) | 2018-02-16 |
Family
ID=61181711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710975311.3A Pending CN107702803A (en) | 2017-10-16 | 2017-10-16 | A kind of infrared point temperature instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107702803A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982345A (en) * | 2019-05-21 | 2020-11-24 | 杭州自动化技术研究院传感技术有限公司 | Non-contact optical fiber point temperature instrument |
| CN113218512A (en) * | 2021-06-07 | 2021-08-06 | 安徽淮光智能科技有限公司 | Infrared thermometer capable of accurately aiming |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201488818U (en) * | 2009-09-09 | 2010-05-26 | 深圳市特思高电子有限公司 | Infrared temperature measurer with long-distance measurement |
| CN102735345A (en) * | 2011-04-12 | 2012-10-17 | 无锡瑞蓝思科技有限公司 | Optical path structure of optical infrared thermometer |
| CN103135044A (en) * | 2013-02-05 | 2013-06-05 | 吴礼刚 | Single-laser positioning corona ultraviolet detecting instrument |
| CN103149510A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Laser array positioning type corona discharge detector |
-
2017
- 2017-10-16 CN CN201710975311.3A patent/CN107702803A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201488818U (en) * | 2009-09-09 | 2010-05-26 | 深圳市特思高电子有限公司 | Infrared temperature measurer with long-distance measurement |
| CN102735345A (en) * | 2011-04-12 | 2012-10-17 | 无锡瑞蓝思科技有限公司 | Optical path structure of optical infrared thermometer |
| CN103135044A (en) * | 2013-02-05 | 2013-06-05 | 吴礼刚 | Single-laser positioning corona ultraviolet detecting instrument |
| CN103149510A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Laser array positioning type corona discharge detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982345A (en) * | 2019-05-21 | 2020-11-24 | 杭州自动化技术研究院传感技术有限公司 | Non-contact optical fiber point temperature instrument |
| CN113218512A (en) * | 2021-06-07 | 2021-08-06 | 安徽淮光智能科技有限公司 | Infrared thermometer capable of accurately aiming |
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Application publication date: 20180216 |