CN211927103U - Miniaturized magnetic induction infrared thermal imaging module - Google Patents
Miniaturized magnetic induction infrared thermal imaging module Download PDFInfo
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- CN211927103U CN211927103U CN201821970319.7U CN201821970319U CN211927103U CN 211927103 U CN211927103 U CN 211927103U CN 201821970319 U CN201821970319 U CN 201821970319U CN 211927103 U CN211927103 U CN 211927103U
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Abstract
The utility model discloses a miniaturized magnetic induction infrared thermal imaging module, including infrared camera lens subassembly and host computer, the host computer includes main control circuit board, still includes magnetic induction shutter subassembly, magnetic induction shutter subassembly include magnetic induction coil subassembly, assemble in magnetic induction shutter separation blade and magnetic induction shutter base above the magnetic induction coil subassembly, the magnetic induction coil subassembly is located on the magnetic induction shutter base, main control circuit board install in magnetic induction shutter base downside. The utility model has the advantages that: the blocking piece is closed and opened stably and cannot be clamped, the magnetic induction shutter assembly is low in power consumption, a traditional driving motor mode is omitted, and the structure is simplified; the volume is reduced and the assembly process is simplified due to the modular assembly; the miniaturized module can be very conveniently integrated on instruments and meters such as universal meters, clamp meters, environment meters and the like.
Description
Technical Field
The utility model relates to a thermal imaging technology field especially relates to miniaturized magnetic induction infrared thermal imaging module.
Background
Objects with the temperature higher than absolute zero can generate infrared radiation, infrared thermal imaging is realized by non-contact measurement, particularly in a high-temperature and high-pressure environment, an operator can be far away from a measured object to achieve the purpose of measuring the surface temperature of the object, and meanwhile, some running equipment can be detected to judge whether the running temperature is normal or not. Under the condition of no visible light at night, the temperature of an object and the surface of the object can be detected through infrared radiation, and the application prospect is very large. The existing products which can meet the functions in the market are very heavy to make, inconvenient to carry and high in cost, and can be purchased by a plurality of consumers without strength. In the aspect of shutter design, a shutter driving structure in the past adopts a miniature direct current motor to directly drive a shutter baffle. The shutter driving structure is easy to cause the phenomenon that the shutter baffle does not act or acts unstably in the action process because the driving force of the micro direct current motor is very small, and meanwhile, the micro direct current motor is large in power consumption, short in service life and unstable in factors. The imaging instrument is directly assembled on the instrument lamp product, and the price of purchasing a complete set of products is high; and the assembly process of each part in the production process is increased, the assembly process is complicated, the production cost is increased, and the defective rate is increased easily due to the complicated assembly process.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a miniaturized magnetic induction infrared thermal imaging module, including infrared camera lens subassembly and host computer, the host computer includes main control circuit board, still includes magnetic induction shutter subassembly, magnetic induction shutter subassembly include magnetic induction coil subassembly, assemble in magnetic induction shutter separation blade and magnetic induction shutter base above the magnetic induction coil subassembly, the magnetic induction coil subassembly is located on the magnetic induction shutter base, main control circuit board install in magnetic induction shutter base downside.
Further: the infrared lens assembly comprises an objective lens barrel and an infrared lens arranged in the objective lens barrel, and the lower part of the objective lens barrel is provided with a screw thread.
Further: the lens barrel is sleeved with a lens barrel waterproof sealing ring on the outer side, a lens waterproof sealing ring is further arranged on the inner side of the lens barrel, and the lens waterproof sealing ring is mounted on the front side of the infrared lens.
Further: the infrared lens assembly further comprises a lens pressing ring which is assembled on the rear side of the infrared lens and used for fixing the infrared lens.
Further: the infrared lens assembly is characterized by further comprising an objective lens seat, the objective lens seat comprises an installation cylinder, threads are carved in the installation cylinder, threads are arranged outside the infrared lens assembly, and the infrared lens assembly passes through the threads screwed into the installation cylinder.
Further: the main control circuit board is also connected with an infrared detector.
Further: the magnetic induction shutter base comprises a first mounting groove with a downward opening, a second mounting groove with an upward opening is arranged beside the first mounting groove, and a third mounting groove with an upward opening is arranged on the upper side of the first mounting groove; infrared detector is located in the first mounting groove, magnetic induction coil subassembly assemble in the second mounting groove, magnetic induction shutter separation blade assemble in the third mounting groove, the objective lens seat is located third mounting groove upper portion.
Compared with the prior art, the beneficial effects of the utility model are that: the shutter design adopts a magnetic induction shutter component and a baffle plate design, so that the baffle plate is closed and opened stably and cannot be clamped, and the magnetic induction shutter component has low power consumption and small power consumption, so that the instrument can be used for a longer time, the traditional driving motor mode is omitted, and the structure is simplified; the infrared lens assembly, the magnetic induction shutter assembly and the circuit control part are respectively assembled in a modularized mode and then assembled together, so that the size is reduced, the assembly process is simplified, and the production reject ratio is reduced; the miniaturized magnetic induction infrared thermal imaging module provided by the utility model can be very conveniently integrated on instruments and meters such as a universal meter, a clamp meter, an environmental meter and the like, the temperature detection function of the added product improves the convenience and intelligence of detection personnel, and the miniaturized magnetic induction infrared thermal imaging module can also be independently used as an infrared imager; the infrared lens adopts the aspheric surface design, thereby reducing the number of lens pieces, optimizing the system structure and reducing the cost.
Drawings
Fig. 1 is an exploded view of a miniaturized magnetic induction infrared thermal imaging module according to an embodiment of the present invention.
Fig. 2 is a cross-sectional side view of a miniaturized magnetic induction infrared thermal imaging module according to an embodiment of the present invention.
Numbering in the figures: 1. the main frame, 2, magnetic induction shutter subassembly, 3, objective lens seat, 4, infrared lens subassembly, 11, main control circuit board, 12, infrared detector, 21, magnetic induction shutter base, 22, magnetic induction coil subassembly, 23, magnetic induction shutter separation blade, 31, an installation section of thick bamboo, 41, lens clamping ring, 42, infrared lens, 43, lens waterproof sealing circle, 44, objective lens barrel, 45, lens barrel waterproof sealing circle, 46, thread, 211, first mounting groove, 212, second mounting groove, 213, third mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, miniaturized magnetic induction infrared thermal imaging module, including infrared lens subassembly 4 and host computer 1, host computer 1 includes main control circuit board 11, still includes magnetic induction shutter subassembly 2, magnetic induction shutter subassembly 2 include magnetic induction coil subassembly 22, assemble in magnetic induction shutter separation blade 23 and magnetic induction shutter base 21 on the magnetic induction coil subassembly 22, magnetic induction coil subassembly 22 is located on the magnetic induction shutter base 21, main control circuit board 11 install in magnetic induction shutter base 21 downside. Adopt magnetic induction shutter subassembly 2, saved the motor drive in the traditional equipment, made shutter catch close with open steadily, can not blocked to magnetic induction shutter subassembly 2 low power dissipation, power consumption is little.
In a further aspect, the infrared lens assembly 4 includes an objective lens barrel 44 and an infrared lens 42 (infrared athermal lens may be used) disposed inside the objective lens barrel 44. The infrared lens 42 can be designed by adopting a athermal chalcogenide glass material, various aberrations influencing imaging can be well eliminated, the imaging quality is improved, and meanwhile, the aspheric design is adopted, so that the number of lens pieces is reduced, the system structure is optimized, and the cost is reduced. In a preferred embodiment, a lens barrel waterproof sealing ring 45 is sleeved outside the objective lens barrel 44, and a lens waterproof sealing ring 43 is further arranged inside the objective lens barrel 44 and is mounted on the front side of the infrared lens. The infrared lens assembly 4 further includes a lens pressing ring 41, which is assembled on the rear side of the infrared lens 42 and used for fixing the infrared lens 42. Still include objective lens seat 3, objective lens seat 3 includes an installation section of thick bamboo 31, be carved with the screw thread in the installation section of thick bamboo 31, infrared lens subassembly 4 outside is equipped with thread 46, infrared lens subassembly 4 passes through thread 46 precession in the installation section of thick bamboo 31. Thereby realizing the modular assembly of the infrared lens assembly 4.
In a preferred embodiment, the main control circuit board 11 is further connected with an infrared detector 12.
In a preferred embodiment, the magnetic induction shutter base 21 includes a first mounting groove 211 with a downward opening, a second mounting groove 212 with an upward opening is disposed beside the first mounting groove 211, and a third mounting groove 213 with an upward opening is disposed on the upper side of the first mounting groove 211; infrared detector 12 is located in first mounting groove 211, magnetic induction coil subassembly 22 assemble in second mounting groove 212, magnetic induction shutter separation blade 23 assemble in third mounting groove 213, objective lens seat 3 is located third mounting groove 213 upper portion. Thereby realizing the modularized assembly of the magnetic induction shutter assembly 2. Therefore, the infrared lens component 4 and the magnetic induction shutter component 2 are respectively assembled in a modularized mode and then assembled into a whole, the assembling process is simple, and the product is small and compact in size.
The following further states the assembly process and the working principle of the embodiment of the utility model: as shown in fig. 1, in the design, an infrared (thermal imaging) detector 12 is attached to a main control circuit board (PCB) 11 through a chip mounter, the infrared detector and the main control circuit board are firmly welded through a wave soldering process, and then the infrared detector and the main control circuit board are mounted on a magnetic induction shutter base 21 through matched screws, and the magnetic induction shutter base 21 is provided with screw holes convenient to fix on an instrument and a meter, so that the magnetic induction shutter base is convenient to fix with the instrument and the meter; the magnetic induction coil assembly 22 is fixed on the magnetic induction shutter base 21 through matched screws, and the magnetic induction shutter stop piece 23 is assembled on the magnetic induction coil assembly 22. The infrared light through hole is closed when the power supply supplies power, and the light through hole is automatically opened when the power supply is cancelled; the lens waterproof sealing ring 43 is assembled on the 12D6 objective lens barrel 44 and used for preventing water from entering the interior of the miniaturized thermal imaging module to play a role in sealing, then the infrared athermal lens 42 is installed, the lens pressing ring 41 is assembled to fix the infrared athermal lens 42 firmly, and the objective lens barrel sealing ring 45 is assembled on the 12D6 objective lens barrel; and then the assembled infrared optical lens assembly 4 is connected and screwed to the 12D6 objective lens base 3 through the screw teeth 46, the design of the screw teeth is adopted, the focusing of the infrared optical lens 42 is favorably adjusted, and then the 12D6 objective lens base 3 is assembled to the magnetic induction shutter assembly 2 through matched screws and buckles, so that the whole assembly is very simple, and the assembly process is optimized to the original complicated assembly process.
As shown in fig. 2, when the main control circuit part provides a proper voltage signal, the magnetic induction shutter assembly 2 starts to brake, actuates the magnetic induction shutter stop 23 to be in a closed state, the infrared radiation energy of the outside object is isolated by the magnetic induction shutter stop 23, the inside of the miniaturized magnetic induction infrared thermal imaging module can be subjected to operations such as non-uniformity correction, and when the magnetic induction shutter 23 is opened again, the measured temperature is more accurate.
When a proper voltage signal is cancelled in the main control circuit part, the magnetic induction shutter assembly 2 can drive the magnetic induction shutter blocking piece 23 to actuate the magnetic induction shutter blocking piece 23 to be in an open state, so that the infrared thermal imaging module can normally work, infrared radiation energy of a measured object is received through the infrared lens assembly 4, the infrared radiation energy is focused on a focal plane of the infrared imaging detector 12, and the infrared (thermal imaging) detector 12 converts the infrared radiation energy into an electric signal and transmits the electric signal to a rear circuit to process imaging temperature.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Miniaturized magnetic induction infrared thermal imaging module, including infrared lens subassembly and host computer, the host computer includes main control circuit board, its characterized in that: the infrared camera lens subassembly includes magnetic induction shutter subassembly, magnetic induction shutter subassembly include magnetic induction coil subassembly, assemble in magnetic induction shutter separation blade and magnetic induction shutter base on the magnetic induction coil subassembly, the magnetic induction coil subassembly is located on the magnetic induction shutter base, main control circuit board install in magnetic induction shutter base downside.
2. The miniaturized magnetic induction infrared thermal imaging module of claim 1, wherein: the infrared lens component comprises an objective lens barrel and an infrared lens arranged in the objective lens barrel, and the lower part of the objective lens barrel is provided with a screw thread.
3. The miniaturized magnetic induction infrared thermal imaging module of claim 2, wherein: the lens barrel is sleeved with a lens barrel waterproof sealing ring on the outer side, a lens waterproof sealing ring is further arranged on the inner side of the lens barrel, and the lens waterproof sealing ring is mounted on the front side of the infrared lens.
4. The miniaturized magnetic induction infrared thermal imaging module of claim 2, wherein: the infrared lens assembly further comprises a lens pressing ring which is assembled on the rear side of the infrared lens and used for fixing the infrared lens.
5. The miniaturized magnetic induction infrared thermal imaging module of claim 1, wherein: the magnetic induction shutter base of the infrared lens assembly comprises a first mounting groove with a downward opening, a second mounting groove with an upward opening is arranged beside the first mounting groove, and a third mounting groove with an upward opening is arranged on the upper side of the first mounting groove; the magnetic induction coil assembly is assembled in the second mounting groove, and the magnetic induction shutter blocking piece is assembled in the third mounting groove.
6. The miniaturized magnetic induction infrared thermal imaging module of claim 5, wherein: the infrared lens component further comprises an objective lens seat, the objective lens seat comprises an installation cylinder, threads are carved in the installation cylinder, threads are arranged outside the infrared lens component, the infrared lens component passes through the threads screwed into the installation cylinder, and the objective lens seat is arranged on the upper portion of a third installation groove of the magnetic induction shutter base.
7. The miniaturized magnetic induction infrared thermal imaging module of claim 5, wherein: the main control circuit board is further connected with an infrared detector, and the infrared detector is located in a first mounting groove of the magnetic induction shutter base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821970319.7U CN211927103U (en) | 2018-11-27 | 2018-11-27 | Miniaturized magnetic induction infrared thermal imaging module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821970319.7U CN211927103U (en) | 2018-11-27 | 2018-11-27 | Miniaturized magnetic induction infrared thermal imaging module |
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| Publication Number | Publication Date |
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| CN211927103U true CN211927103U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821970319.7U Active CN211927103U (en) | 2018-11-27 | 2018-11-27 | Miniaturized magnetic induction infrared thermal imaging module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873181A (en) * | 2021-09-15 | 2021-12-31 | 浙江大华技术股份有限公司 | Baffle control system, method and device and thermal imaging camera |
| CN114689184A (en) * | 2022-03-28 | 2022-07-01 | 杭州微影软件有限公司 | Thermal imaging module and electronic equipment |
| CN114697503A (en) * | 2022-03-28 | 2022-07-01 | 杭州微影软件有限公司 | Thermal imaging module and electronic equipment |
-
2018
- 2018-11-27 CN CN201821970319.7U patent/CN211927103U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873181A (en) * | 2021-09-15 | 2021-12-31 | 浙江大华技术股份有限公司 | Baffle control system, method and device and thermal imaging camera |
| CN113873181B (en) * | 2021-09-15 | 2024-04-09 | 浙江华感科技有限公司 | Baffle control system, method and device and thermal imaging camera |
| CN114689184A (en) * | 2022-03-28 | 2022-07-01 | 杭州微影软件有限公司 | Thermal imaging module and electronic equipment |
| CN114697503A (en) * | 2022-03-28 | 2022-07-01 | 杭州微影软件有限公司 | Thermal imaging module and electronic equipment |
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