CN213021974U - Infrared thermometer - Google Patents
Infrared thermometer Download PDFInfo
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- CN213021974U CN213021974U CN202120512090.8U CN202120512090U CN213021974U CN 213021974 U CN213021974 U CN 213021974U CN 202120512090 U CN202120512090 U CN 202120512090U CN 213021974 U CN213021974 U CN 213021974U
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- infrared
- thermometer
- lens
- outer cylinder
- spectroscope
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Abstract
The utility model discloses an infrared thermometer, include: the thermometer shell is columnar, and the front end and the rear end of the thermometer shell are respectively provided with a front outer cylinder and a rear outer cylinder; the light path processing assembly is arranged in the thermometer shell and comprises an infrared laser, an all-dielectric reflector and a spectroscope, the all-dielectric reflector is obliquely and fixedly arranged on the top wall in the thermometer shell at a preset angle, the spectroscope is fixedly arranged on the bottom wall in the thermometer shell and is parallel to the all-dielectric reflector, and the infrared laser is arranged on one side of the all-dielectric reflector close to the rear outer cylinder; the temperature measurement processing assembly comprises an infrared detector and a microprocessor which are fixedly installed in the thermometer shell and electrically connected, and the infrared detector is arranged on one side, close to the rear outer barrel, of the spectroscope. Through the utility model provides an infrared radiation thermometer can reduce the shared space of light path processing subassembly in the infrared radiation thermometer of current for the appearance is smaller and more exquisite, and the installation of the infrared radiation thermometer of being convenient for is used.
Description
Technical Field
The utility model relates to an infrared temperature measurement technical field especially relates to an infrared radiation thermometer.
Background
Infrared thermometry is a non-contact thermometry method, in which the thermometric element does not need to contact with the measured medium, and the temperature is measured by the principle of thermal radiation. The principle is that the surface temperature of the object can be accurately measured by measuring the infrared energy radiated by the object.
The existing infrared laser adopts a beam splitting lens for reflection, an infrared detector is vertically arranged in the infrared laser, and the whole appearance volume of the infrared thermometer is increased due to a certain height of the infrared laser, so that the infrared thermometer is inconvenient to install and use.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an infrared thermometer, which solves the problem of large occupied volume of the optical path components in the infrared detector.
In order to achieve the above object, the utility model provides a following technical scheme:
according to an aspect of the utility model, a provide an infrared thermometer, include:
the thermometer shell is columnar and comprises a front outer cylinder and a rear outer cylinder, wherein the front end and the rear end of the front outer cylinder are respectively provided with the front outer cylinder and the rear outer cylinder;
the light path processing assembly is arranged in the thermometer shell and comprises an infrared laser, an all-dielectric reflector and a spectroscope, the all-dielectric reflector is obliquely and fixedly arranged on the top wall in the thermometer shell at a preset angle, the spectroscope is fixedly arranged on the bottom wall in the thermometer shell and is parallel to the all-dielectric reflector, and the infrared laser is arranged on one side of the all-dielectric reflector close to the rear outer cylinder so that a laser beam emitted by the infrared laser is reflected to the spectroscope through the all-dielectric reflector to be filtered and reflected;
the temperature measurement processing assembly comprises an infrared detector and a microprocessor which are fixedly arranged in the shell of the temperature measuring instrument and electrically connected, and the infrared detector is arranged on one side of the spectroscope close to the rear outer barrel and used for receiving the infrared light beams returned by the filtration and reflection of the spectroscope.
According to some embodiments, further comprising an optical circulator disposed between the infrared laser and the all-dielectric mirror.
According to some embodiments, the infrared detector further comprises a convex lens arranged between the beam splitter and the infrared detector, and the laser beam is incident on the convex lens through the beam splitter and is converged on the infrared detector.
According to some embodiments, the infrared laser device further comprises an adjusting jackscrew, and the penetrating thermometer shell is connected with the infrared laser device so as to adjust the angle of a laser beam emitted by the infrared laser device.
According to some embodiments, the rear outer cylinder comprises a wedge-shaped surface, the wedge-shaped surface is arranged on one side of the rear outer cylinder, the side of the rear outer cylinder is far away from the thermodetector shell, the wedge-shaped surface is provided with a display and an operation key, and the display and the operation key are electrically connected with the microprocessor.
According to some embodiments, the touch screen further comprises a film fixing plate fixedly arranged in the rear outer cylinder and matched with the rear outer cylinder to fix the display and the operation keys.
According to some embodiments, the lens barrel further comprises a long focal length lens and a short focal length lens, and both the long focal length lens and the short focal length lens can be rotatably and detachably connected with the front outer barrel.
According to some embodiments, the infrared lens protection device further comprises a quartz glass fixing ring and an infrared lens, wherein the quartz glass fixing ring and the infrared lens are both arranged in the front outer barrel, and the quartz glass fixing ring and the front outer barrel are matched to protect the infrared lens.
According to some embodiments, the infrared lens further comprises a lens pressing ring and a sealing ring, wherein the lens pressing ring and the sealing ring are installed in the front outer cylinder and are connected in a matched mode to fix the infrared lens.
Compared with the prior art, the beneficial effects of the utility model are as follows:
when the infrared thermometer works, an infrared laser in a thermometer shell emits laser, a laser beam is reflected by an all-dielectric reflector which is arranged on the top wall in the thermometer shell and is inclined at a preset angle, and enters a bottom wall in the thermometer shell and is parallel to the all-dielectric reflector, and the laser beam is filtered and reflected by the spectroscope, so that the laser beam is coaxial with a lens arranged on a front outer barrel at the front end of the thermometer shell, and is aimed at a front target to be measured, the infrared signal reflected by the target to be measured is transmitted to the spectroscope through the infrared reflector arranged on the front outer barrel for transmission and filtration, the infrared detector receives the infrared signal and converts the optical signal into an electric signal, the electric signal is processed by a microprocessor, and the temperature of the target to be measured is measured. Through the all-dielectric reflector and the spectroscope which are arranged in parallel in the infrared thermometer, the central axes of an infrared laser and an infrared detector in the infrared thermometer are parallel, the infrared laser and the infrared detector are effectively prevented from being arranged vertically in the prior art, the occupied space of a light path processing component in the infrared thermometer is reduced, the size of the infrared thermometer is reduced integrally, and the infrared thermometer is convenient to install and use.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an infrared thermometer provided by the present invention;
fig. 2 is a schematic diagram of a rear-external environment structure of an infrared thermometer provided by the present invention;
fig. 3 is the utility model provides a light path processing component schematic diagram of an infrared thermometer.
In the figure: a thermometer housing 100; a front outer tub 110; an infrared lens 111; a rear outer tub 120; a wedge-face 121; an optical path processing component 200; an infrared laser 210; an all-dielectric mirror 220; a beam splitter 230; an optical circulator 240; a temperature measurement processing assembly 300; an infrared detector 310; the long focus lens 400.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Please refer to fig. 1 to 3, the utility model provides an infrared thermometer, through the utility model provides an infrared thermometer can reduce the shared space of light path processing component 200 in the current infrared thermometer, wholly reduces infrared thermometer's volume for the appearance is smaller and exquisite, is convenient for install and use infrared thermometer, and its concrete scheme is as follows.
The utility model provides an infrared radiation thermometer includes thermoscope casing 100, light path processing subassembly 200 and temperature measurement processing subassembly 300, and wherein thermoscope casing 100 is the column, and urceolus 110 and back urceolus 120 before both ends are equipped with respectively around it. Particularly, the front outer cylinder 110 is further provided with an infrared lens 111 therein to converge laser beams, so that laser coaxiality and aiming accuracy of infrared temperature measurement are improved, and the effect of the infrared thermometer is improved as a whole.
The optical path processing assembly 200 is installed in the thermometer housing 100, the optical path processing assembly 200 includes an infrared laser 210, an all-dielectric reflector 220 and a spectroscope 230, the all-dielectric reflector 220 is fixedly installed on the top wall of the thermometer housing 100 in an inclined manner at a preset angle, the spectroscope 230 is fixedly installed on the bottom wall of the thermometer housing 100 and is parallel to the all-dielectric reflector 220, and the infrared laser 210 is installed on one side of the all-dielectric reflector 220 close to the rear outer cylinder 120. The preset angle of the all-dielectric reflector 220 may be 30 to 60 degrees, in this embodiment, the preset angle of the all-dielectric reflector 220 is 45 degrees, and the corresponding beam splitter 230 is disposed at 45 degrees with respect to the bottom wall of the thermometer housing 100, so that the laser beam emitted by the infrared laser 210 is parallel to the central axis of the thermometer housing 100.
The temperature measurement processing assembly 300 includes an infrared detector 310 and a microprocessor, which are fixedly installed in the thermometer housing 100 and electrically connected to each other, and the infrared detector 310 is disposed on one side of the spectroscope 230 close to the rear outer barrel 120 and parallel to the infrared laser 210.
In the above scheme, when the infrared thermometer works, the infrared laser 210 in the thermometer housing 100 emits laser, a laser beam is reflected by the all-dielectric reflector 220 which is installed on the inner top wall of the thermometer housing 100 and is inclined at a preset angle, and enters the spectroscope 230 which is installed on the bottom wall of the thermometer housing 100 and is parallel to the all-dielectric reflector 220, the laser beam is filtered and reflected by the spectroscope 230, so that the laser beam is coaxial with the lens arranged on the front outer barrel 110 at the front end of the thermometer housing 100, and is aimed at a front target to be measured, according to an infrared signal reflected by the target to be measured, the laser beam is emitted to the spectroscope 230 through the infrared lens 111 arranged on the front outer barrel 110, is transmitted and filtered, is received by the infrared detector 310 to convert the optical signal into an electrical signal, and then the electrical signal is processed by the microprocessor, and the temperature. Through the all-dielectric reflector 220 and the spectroscope 230 which are arranged in parallel in the infrared thermometer, the central axes of the infrared laser 210 and the infrared detector 310 in the infrared thermometer are parallel, the situation that the infrared laser 210 and the infrared detector 310 are arranged vertically in the prior art is effectively avoided, the space occupied by the light path processing assembly 200 in the infrared thermometer is reduced, the size of the infrared thermometer is integrally reduced, and the infrared thermometer is convenient to install and use.
The infrared thermometer also includes an optical circulator 240, the optical circulator 240 being disposed between the infrared laser 210 and the all-dielectric mirror 220. When the infrared laser 210 of the infrared thermometer emits laser beams, the laser beams reflected by the all-dielectric reflector 220 can be effectively prevented from damaging the infrared laser light source, and the service life of the infrared laser light source is prolonged.
According to some embodiments, the infrared thermometer further includes a convex lens, the convex lens is disposed between the beam splitter 230 and the infrared detector 310, and the light beam is incident on the convex lens through the beam splitter 230 and is converged on the infrared detector 310. Therefore, the height of the infrared signal reflected by the target to be measured is effectively converged on the infrared detector 310, and the effect of the infrared thermometer is improved on the whole.
In order to improve the aiming accuracy of the infrared thermometer, the infrared thermometer further comprises an adjusting jackscrew, and the penetrating thermometer shell 100 is connected with the infrared laser 210 so as to adjust the angle of the light beam emitted by the infrared laser 210, so that the measured temperature is more accurate.
As shown in fig. 2, the rear outer barrel 120 of the infrared thermometer includes a wedge-shaped surface 121, the wedge-shaped surface 121 is disposed on a side away from the thermometer housing 100, the wedge-shaped surface 121 is provided with a display and an operation key, and the display and the operation key are electrically connected to the microprocessor. Preferably, the angle of the wedge-shaped surface 121 is set to 80 degrees, and the surface of the infrared thermometer observed by the rear outer cylinder 120 is set to be wedge-shaped, so that the infrared thermometer can be more conveniently set and observed by a temperature measurer.
In order to enable the display and the operation keys to be stably mounted on the rear outer barrel 120, a film fixing plate is further included in the rear outer barrel 120, and the film fixing plate is fixedly mounted in the rear outer barrel 120 and is matched with the rear outer barrel 120 to fix the display and the operation keys.
The infrared thermometer further includes a long focal length lens 400 and a short focal length lens (not shown in the drawings), and both the long focal length lens 400 and the short focal length lens are detachably connected to the front outer cylinder 110 in a rotatable manner. Wherein long focal length camera lens 400 and short focal length camera lens primary function are the focus outside heat energy wavelength, take the rotatory function of dismantling, and easily change through cooperating with light path processing unit to and install the diaphragm aperture additional, reach and reduce temperature error far and near the distance.
The front outer cylinder 110 is also internally provided with a quartz glass fixing ring and an infrared lens 111, and the quartz glass fixing ring is matched with the front outer cylinder 110 to protect the infrared lens 111.
The infrared thermometer further comprises a lens pressing ring and a sealing ring which are arranged in the front outer cylinder 110, and the lens pressing ring and the sealing ring are connected in a matching manner to be fixedly connected with the infrared lens 111. Through lens clamping ring and sealing washer cooperation use, can be better than exclusive use sealing washer effect, firm waterproof, prevent the entering of gaseous dust.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Claims (9)
1. An infrared thermometer, comprising:
the thermometer shell is columnar and comprises a front outer cylinder and a rear outer cylinder, wherein the front end and the rear end of the front outer cylinder are respectively provided with the front outer cylinder and the rear outer cylinder;
the light path processing assembly is arranged in the thermometer shell and comprises an infrared laser, an all-dielectric reflector and a spectroscope, the all-dielectric reflector is obliquely and fixedly arranged on the top wall in the thermometer shell at a preset angle, the spectroscope is fixedly arranged on the bottom wall in the thermometer shell and is parallel to the all-dielectric reflector, and the infrared laser is arranged on one side of the all-dielectric reflector close to the rear outer cylinder so that a laser beam emitted by the infrared laser is reflected to the spectroscope through the all-dielectric reflector to be filtered and reflected;
the temperature measurement processing assembly comprises an infrared detector and a microprocessor which are fixedly arranged in the shell of the temperature measuring instrument and electrically connected, and the infrared detector is arranged on one side of the spectroscope close to the rear outer barrel and used for receiving the infrared light beams returned by the filtration and reflection of the spectroscope.
2. An infrared thermometer according to claim 1,
the infrared laser device further comprises an optical circulator, and the optical circulator is arranged between the infrared laser device and the all-dielectric reflector.
3. An infrared thermometer according to claim 1,
the infrared detector is characterized by further comprising a convex lens, the convex lens is arranged between the spectroscope and the infrared detector, and laser beams are emitted to the convex lens through the spectroscope and are converged on the infrared detector.
4. An infrared thermometer according to claim 1,
the infrared laser device is characterized by further comprising an adjusting jackscrew, wherein the thermometer shell penetrates through the infrared laser device to be connected with the infrared laser device so as to adjust the angle of a laser beam emitted by the infrared laser device.
5. An infrared thermometer according to claim 1,
the rear outer barrel comprises a wedge-shaped surface, the wedge-shaped surface is arranged on one side, deviating from the thermodetector shell, of the wedge-shaped surface, the wedge-shaped surface is provided with a display and an operation key, and the display and the operation key are electrically connected with the microprocessor.
6. An infrared thermometer according to claim 5,
the touch screen display further comprises a film fixing plate which is fixedly arranged in the rear outer cylinder and matched with the rear outer cylinder to fix the display and the operation keys.
7. An infrared thermometer according to claim 1,
still include long focal length camera lens and short focal length camera lens, long focal length camera lens with short focal length camera lens all can with preceding urceolus is rotatory to be dismantled and is connected.
8. An infrared thermometer according to claim 1,
the infrared lens fixing device is characterized by further comprising a quartz glass fixing ring and an infrared lens, wherein the quartz glass fixing ring and the infrared lens are mounted in the front outer barrel, and the quartz glass fixing ring and the front outer barrel are matched to protect the infrared lens.
9. An infrared thermometer according to claim 8,
the infrared lens fixing device is characterized by further comprising a lens pressing ring and a sealing ring, wherein the lens pressing ring and the sealing ring are installed in the front outer barrel and are connected in a matched mode to fix the infrared lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512090.8U CN213021974U (en) | 2021-03-11 | 2021-03-11 | Infrared thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512090.8U CN213021974U (en) | 2021-03-11 | 2021-03-11 | Infrared thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213021974U true CN213021974U (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120512090.8U Active CN213021974U (en) | 2021-03-11 | 2021-03-11 | Infrared thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213021974U (en) |
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2021
- 2021-03-11 CN CN202120512090.8U patent/CN213021974U/en active Active
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