Infrared temperature measurement lens

By using a single-sided mirror and passive gear system in infrared temperature measurement lenses to expand the temperature measurement perspective, and combining the design of transparent protective cover and outer glass cylinder, the problems of vulnerability to damage and limited temperature measurement angle of existing far-infrared lenses are solved. , realizes the stable installation of multi-dimensional temperature measurement equipment, and improves the adaptability and flexibility of the equipment.

CN111650713BActive Publication Date: 2024-12-10LIGHTBATH OPTICAL INSTR (ZHENJIANG) CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202010684550.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-07-16
Publication Date
2024-12-10
Estimated Expiration
2040-07-16

AI Technical Summary

Technical Problem

Existing far-infrared lenses are susceptible to damage, with limited temperature measurement angles, and cannot be measured in multiple directions, and replacement is expensive and inconvenient.

Method used

An infrared temperature measurement lens was designed, using a single-sided reflector and passive gear system to expand the temperature measurement perspective, and protect the internal parts through a transparent protective cover and an outer glass cylinder, adapting to multi-directional installation, including wireless transceiver modules and electric push rods and motor, supporting flat and circular table installation.

Benefits of technology

It realizes the multi-directional temperature measurement capability of the lens, enhances the adaptability and stability of the equipment, facilitates replacement of the protective cover, prevents fog from obstructing, and avoids the transmission rod blocking the line of sight, improving the flexibility of the equipment and the protection effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN111650713B_ABST
    Figure CN111650713B_ABST
Patent Text Reader

Abstract

The present invention discloses an infrared temperature measurement lens, which includes an outer shell and an outer glass tube; the outer shell: a wireless transceiver module is fixed on the inner side, an inner attachment plate is fixed inside, an electric push rod is fixed on the rear side of the inner attachment plate, the output end of the electric push rod passes through the inner attachment plate to fix an inner lens body, the front side of the outer shell movably passes through the inner glass tube, the front end of the inner lens body movably passes through the inner glass tube, a passive gear rotates at the front end of the inner glass tube, an outer attachment plate is fixed on the side of the passive gear, and a first motor is fixed on the left side of the outer attachment plate. The infrared temperature measurement lens can protect the lens, and the protective cover used to protect the lens can be easily replaced, and the temperature measurement angle of the lens can be expanded by the reflection of infrared rays, so that the temperature of the external environment can be measured in multiple directions, and the device can be conveniently installed on a workbench with a flat surface, a round surface, etc., and has strong adaptability.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of infrared temperature measurement, in particular to a lens for infrared temperature measurement. Background Art

[0002] Infrared technology has the characteristics of strong penetration ability and all-weather application. It is the most widely used and most advantageous one among all night vision technologies. As one of the common carriers of infrared technology application, far-infrared lens is not only used in industries such as computers, cameras, mobile phones, car recorders, security monitoring and electronic entertainment, but also widely used in national defense, public security, forest fire prevention and other fields. With the progress of society and the development of industry, its application scope will be further expanded. At present, there are many kinds of far-infrared lens devices on the market, but most of them are vulnerable to external damage. The lens is susceptible to wear and tear. At this time, the lens needs to be replaced, but the lens is very expensive and inconvenient to replace the lens. When measuring the temperature in forests, alchemy plants and other places, the rotation angle of the lens is limited, and the temperature cannot be measured in multiple directions. Compared with the design provided by the application number 201721347092.6, the design can move the lens up and down, but it cannot monitor the environment on the left and right of the lens, and the viewing angle is small. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide an infrared temperature measurement lens. First, the lens can be protected, and the protective cover used to protect the lens can be easily replaced. The temperature measurement angle of the lens can be expanded by reflecting infrared rays, thereby performing multi-directional temperature measurement of the external environment. The device can also be conveniently installed on a workbench with a flat surface, a round surface, etc. It has strong adaptability and can effectively solve the problems in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: an infrared temperature measurement lens, comprising an outer shell and an outer glass tube;

[0005] The outer shell: a wireless transceiver module is fixed on the inner side, an inner attachment plate is fixed inside the outer shell, an electric push rod is fixed on the rear side of the inner attachment plate, the output end of the electric push rod passes through the inner attachment plate to fix the inner lens body, the front side of the outer shell movably passes through the inner glass cylinder, the front end of the inner lens body movably passes through the inner glass cylinder, the front end of the inner glass cylinder rotates with a passive gear, the side of the passive gear is fixed with an outer attachment plate, the left side of the outer attachment plate is fixed with a first motor, the output end of the first motor passes through the outer attachment plate to fix a transmission rod, the transmission rod rotates through the left half side of the passive gear, a single-sided reflector is fixed on the side of one end of the transmission rod located in the passive gear, the single-sided reflector is movably inserted in the passive gear and the inner glass cylinder, the infrared rays in the surrounding external environment can be reflected to the inner lens body through the single-sided reflector, so as to expand the temperature measurement angle and range of the inner lens body, and the single-sided reflector can also be folded, and the inner lens body is pushed forward, so that the inner lens body receives the infrared rays directly in front, and measures the temperature of the external environment directly in front;

[0006] Outer glass cylinder: The rear end is threadedly sleeved on the front end of the outer shell, and a middle connecting plate is fixed on the inner side of the front end. The other end of the middle connecting plate is fixed with an outer connecting cylinder. The rear end of the outer connecting cylinder rotates on the front side of the passive gear. The inner thread of the outer connecting cylinder is connected with a transparent protective cover. The front side of the middle connecting plate is fixed with a second motor. The output end of the second motor passes through the middle connecting plate and is fixed with a driving gear. The driving gear is meshed with the driven gear teeth, which can make the driven gear rotate and indirectly make the single-sided reflector rotate, so as to reflect infrared rays in multiple directions, thus expanding the infrared temperature measurement range again. The internal parts of the device are protected by the transparent protective cover and the outer glass cylinder.

[0007] Among them: it also includes a single chip microcomputer, which is fixed in the outer shell, and its input end is electrically connected to the external power supply and the input end of the wireless transceiver module, and its output end is electrically connected to the input ends of the first motor, the second motor and the electric push rod.

[0008] Furthermore, the rotation center of the transmission rod is located to the left of the detection center of the inner lens body, which can prevent the transmission rod from blocking the temperature measurement line of sight when the inner lens body moves forward.

[0009] Furthermore, it also includes a base, screws and a rotating plate. The front side of the base is fixed to the rear end of the outer shell. The left and right ends of the base are hinged with rotating plates through hinges. Screws are threaded through the two rotating plates. The device can be fixed on the workbench through the base, screws and rotating plate.

[0010] Furthermore, it also includes an elastic plate and an outer pad. There are four outer pads and they are respectively fixed at the four rear corners of the base. The rear end of the outer pad is fixed with an elastic plate. When the device needs to be fixed on a circular surface workbench, the elastic plate can be deformed to fit into the circular surface to ensure the stability of the installation.

[0011] Furthermore, it also includes an inner block and a pressure screw, wherein there are two inner blocks and they are symmetrically arranged, and both of the inner blocks are fixed to the inner side of the outer shell, and there are two pressure screws and they are symmetrically arranged, and one end of the two pressure screws close to each other is threaded through the side surface of the outer shell and the inner block, and the inner lens body is located between the two pressure screws. The pressure screw can prevent the inner lens body from excessive shaking when it is impacted by the external environment.

[0012] Furthermore, there are also two buffer pads, which are respectively fixed to one end of the pressing screw located in the outer shell, and the sides of the two buffer pads close to each other are in contact with the side of the inner lens body, so that the pressing screw is prevented from damaging the inner lens body.

[0013] Furthermore, an anti-fog film is included, which is fixed on the front side of the transparent protective cover, and the anti-fog film prevents fog from blocking the penetration of infrared rays.

[0014] Furthermore, a push block is included, which is fixed on the front side of the transparent protective cover and passes through the anti-fog film. The push block is used to conveniently rotate the transparent protective cover, thereby facilitating the installation and removal of the transparent protective cover.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the infrared temperature measurement lens has the following advantages:

[0016] 1. The infrared rays in the surrounding external environment can be reflected to the inner lens body through the one-way reflector, so as to expand the temperature measurement angle and range of the inner lens body. The one-way reflector can also be folded, and the inner lens body can be pushed forward so that the inner lens body receives the infrared rays directly in front of it and measures the temperature of the external environment directly in front of it. The passive gear can be rotated to indirectly make the one-way reflector rotate, and then the infrared rays in multiple directions can be reflected, thus further expanding the infrared temperature measurement range. The internal parts of the device are protected by the transparent protective cover and the outer glass tube.

[0017] 2. It can prevent the transmission rod from blocking the temperature measurement line of sight when the inner lens body moves forward. The device can be fixed on the workbench through the base, screws and rotating plate. When the device needs to be fixed on the round surface workbench, the elastic plate can be deformed to fit the round surface to ensure the stability of the installation. The pressing screw can prevent the inner lens body from excessive shaking when it is impacted by the external environment. The buffer pad can prevent the pressing screw from damaging the inner lens body. The anti-fog film can prevent fog from blocking the penetration of infrared rays. The push block can facilitate the rotation of the transparent protective cover, thereby facilitating the installation and removal of the transparent protective cover.

[0018] 3. This infrared temperature measurement lens can first protect the lens, and the protective cover used to protect the lens can be easily replaced. The temperature measurement angle of the lens can be expanded by the reflection of infrared rays, so that the temperature of the external environment can be measured in all directions. The device can also be easily installed on a workbench with a flat surface, a round surface, etc., and has strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the top view structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure at AA of the present invention;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure at BB of the present invention.

[0023] In the figure: 1 inner glass cylinder, 2 single-sided reflector, 3 push block, 4 transmission rod, 5 anti-fog film, 6 transparent protective cover, 7 external tube, 8 passive gear, 9 outer glass cylinder, 10 inner attached plate, 11 inner lens body, 12 base, 13 electric push rod, 14 elastic plate, 15 outer shell, 16 outer pad, 17 buffer pad, 18 inner attached block, 19 pressure screw, 20 screw, 21 outer attached plate, 22 first motor, 23 rotating plate, 24 connecting plate, 25 second motor, 26 driving gear, 27 wireless transceiver module, 28 single chip microcomputer. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-4 , the present invention provides a technical solution:

[0026] Embodiment 1: An infrared temperature measurement lens, comprising an outer shell 15 and an outer glass tube 9;

[0027] The outer shell 15: a wireless transceiver module 27 is fixed to the inner side, an inner attachment plate 10 is fixed inside, an electric push rod 13 is fixed to the rear side of the inner attachment plate 10, the output end of the electric push rod 13 passes through the inner attachment plate 10 and is fixed to the inner lens body 11, the front side of the outer shell 15 movably passes through the inner glass cylinder 1, the front end of the inner lens body 11 movably passes through the inner glass cylinder 1, the front end of the inner glass cylinder 1 rotates with a passive gear 8, the side of the passive gear 8 is fixed with an outer attachment plate 21, the left side of the outer attachment plate 21 is fixed with a first motor 22, the output end of the first motor 22 passes through the outer attachment plate 21 and is fixed with a transmission rod 4, the transmission rod 4 rotates through the left side of the passive gear 8 On the side of the half part, a one-way reflector 2 is fixed to the side of one end of the transmission rod 4 located in the passive gear 8. The one-way reflector 2 is movably inserted in the passive gear 8 and the inner glass tube 1. The infrared rays in the surrounding external environment can be reflected to the inner lens body 11 through the one-way reflector 2, so as to expand the temperature measurement angle and range of the inner lens body 11. The one-way reflector 2 can also be folded, and the inner lens body 11 can be pushed forward, so that the inner lens body 11 receives the infrared rays in front of it, and measures the temperature of the external environment in front of it. The rotation center of the transmission rod 4 is located to the left of the detection center of the inner lens body 11, which can prevent the transmission rod 4 from blocking the temperature measurement line of sight when the inner lens body 11 moves forward;

[0028] Outer glass tube 9: The rear end is threadedly sleeved on the front end of the outer shell 15, and a middle connecting plate 24 is fixed to the inner side of the front end thereof, and an outer connecting tube 7 is fixed to the other end of the middle connecting plate 24, and the rear end of the outer connecting tube 7 rotates on the front side of the passive gear 8, and the inner thread of the outer connecting tube 7 is connected with a transparent protective cover 6, and a second motor 25 is fixed to the front side of the middle connecting plate 24, and a driving gear 26 is fixed to the output end of the second motor 25 through the middle connecting plate 24, and the driving gear 26 is meshed with the driven gear 8, so that the driven gear 8 can rotate, and the single-sided reflector 2 can be rotated indirectly, and then infrared rays in multiple directions can be reflected, and the infrared temperature measurement range is expanded again, and the internal parts of the device are protected by the transparent protective cover 6 and the outer glass tube 9;

[0029] Among them: it also includes a single chip microcomputer 28, which is fixed in the outer shell 15, and its input end is electrically connected to the external power supply and the input end of the wireless transceiver module 27, and its output end is electrically connected to the input end of the first motor 22, the second motor 25 and the electric push rod 13.

[0030] Embodiment 2:

[0031] The difference between this embodiment and the first embodiment is that:

[0032] In this embodiment, it also includes a base 12, a screw 20 and a rotating plate 23. The front side of the base 12 is fixed to the rear end of the outer shell 15. The left and right ends of the base 12 are hinged with rotating plates 23 by hinges. Screws 20 are threaded through the two rotating plates 23. The device can be fixed on the workbench through the base 12, the screws 20 and the rotating plate 23. It also includes an elastic plate 14 and an outer pad 16. There are four outer pads 16 and they are respectively fixed at the four corners of the rear side of the base 12. The rear end of the outer pad 16 is fixed with the elastic plate 14. When it is necessary to fix the device on a round surface workbench, the elastic plate 14 can be deformed to fit the round surface to ensure the stability of the installation. It also includes an inner block 18 and a pressing screw 19. There are two attachment blocks 18 and they are symmetrically arranged. The two inner attachment blocks 18 are both fixed on the inner side of the outer shell 15. There are two pressing screws 19 and they are symmetrically arranged. The ends of the two pressing screws 19 that are close to each other are threaded through the side of the outer shell 15 and the inner attachment blocks 18. The inner lens body 11 is located between the two pressing screws 19. The pressing screws 19 can prevent the inner lens body 11 from excessively shaking when it is impacted by the external environment. It also includes a buffer pad 17, which has two and is respectively fixed at one end of the pressing screw 19 located in the outer shell 15. The sides of the two buffer pads 17 that are close to each other abut against the side of the inner lens body 11. The buffer pad 17 prevents the pressing screw 19 from damaging the inner lens body 11.

[0033] Embodiment three:

[0034] The difference between this embodiment and the second embodiment is that:

[0035] In this embodiment, an anti-fog film 5 is also included, which is fixed on the front side of the transparent protective cover 6. The anti-fog film 5 prevents fog from blocking the penetration of infrared rays. A push block 3 is also included, which is fixed on the front side of the transparent protective cover 6. It passes through the anti-fog film 5. The push block 3 facilitates the rotation of the transparent protective cover 6, thereby facilitating the installation and removal of the transparent protective cover 6.

[0036] When in use: when the device needs to be installed on a plane, the two rotating plates 23 are fixed on the plane by screws 20, and the elastic plate 14 is close to the plane. When the device needs to be fixed on a circular surface, the two rotating plates 23 are still fixed on the circular surface by screws 20, but the elastic plate 14 is recessed forward so that the elastic plate 14 wraps the circular surface; the pressing screw 19 is rotated, and the pressing screw 19 drives the buffer pad 17 to move toward the inner lens body 11, so that the buffer pad 17 is close to the inner lens body 11, and the temperature measurement is started. When it is necessary to measure the temperature in front, a signal is sent to the wireless transceiver module 27, and the wireless transceiver module 27 transmits the information to the single-chip microcomputer 28. The single-chip microcomputer 28 controls the electric push rod 13 to work, and the electric push rod 13 pushes the inner lens body 11 forward, so that the detection end of the inner lens body 11 is close to the transparent protective cover 6, and the temperature is measured through the transparent protective cover 6. When temperature measurement is required When the inner lens body 11 is around, the single chip microcomputer 28 controls the electric push rod 13 to drive the inner lens body 11 to move backward, the single chip microcomputer 28 controls the first motor 22 to drive the transmission rod 4 to rotate, and the transmission rod 4 drives the single-sided reflector 2 to rotate. At this time, the infrared rays from the outside pass through the outer glass tube 9 and the inner glass tube 1 and are reflected by the single-sided reflector 2 and transmitted to the inner lens body 11. Then the single chip microcomputer 28 controls the second motor 25 to drive the active gear 26 to rotate, and the active gear 26 drives the passive gear 8 to rotate through the meshing between the teeth, and the passive gear 8 drives the transmission rod 4 and the outer attachment plate 21 to rotate, and the outer attachment plate 21 drives the first motor 22 to rotate, and the transmission rod 4 drives the single-sided reflector 2 to rotate, so that the single-sided reflector 2 reflects infrared rays at multiple angles, thereby performing infrared temperature measurement; the internal parts of the device are protected by the outer glass tube 9 and the transparent protective cover 6, and the transparent protective cover 6 can be removed by pushing the push block 3 for easy replacement.

[0037] It is worth noting that the first motor 22 and the second motor 25 disclosed in this embodiment can both use the OT-20GB reduction motor produced by Wanzhida Motor Manufacturing Co., Ltd., the electric push rod 13 can use the U7 micro electric push rod produced by Temuyou Transmission Technology Co., Ltd., and the wireless transceiver module 27 can use the KF1030G wireless transceiver module produced by Beijing Kaituo Weilan Technology Development Co., Ltd. The single-chip microcomputer 28 controls the first motor 22, the second motor 25, the electric push rod 13 and the wireless transceiver module 27 to work using methods commonly used in the prior art.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An infrared temperature measurement lens, characterized in that: It comprises an outer shell (15) and an outer glass cylinder (9); The outer shell (15) has a wireless transceiver module (27) fixed on the inner side thereof, and an inner attached plate (10) fixed therein; an electric push rod (13) fixed on the rear side of the inner attached plate (10); an output end of the electric push rod (13) passes through the inner attached plate (10) and is fixed with an inner lens body (11); the front side of the outer shell (15) movably passes through an inner glass cylinder (1); the front end of the inner lens body (11) movably passes through the inner glass cylinder (1); a driven gear (8) is rotatably disposed at the front end of the inner glass cylinder (1); An external attachment plate (21) is fixed to the side of the passive gear (8), a first motor (22) is fixed to the left side of the external attachment plate (21), a transmission rod (4) is fixed to the output end of the first motor (22) through the external attachment plate (21), the transmission rod (4) rotates through the left half side of the passive gear (8), a single-sided reflective mirror (2) is fixed to the side of one end of the transmission rod (4) located inside the passive gear (8), and the single-sided reflective mirror (2) is movably inserted into the passive gear (8) and the inner glass cylinder (1); An outer glass cylinder (9): the rear end of which is threadedly sleeved on the front end of the outer shell (15); a middle connecting plate (24) is fixed to the inner side surface of the front end; an outer connecting cylinder (7) is fixed to the other end of the middle connecting plate (24); the rear end of the outer connecting cylinder (7) rotates on the front side of the passive gear (8); the inner thread of the outer connecting cylinder (7) is connected to a transparent protective cover (6); a second motor (25) is fixed to the front side of the middle connecting plate (24); an output end of the second motor (25) passes through the middle connecting plate (24) and is fixed with a driving gear (26); the driving gear (26) is meshed with the driven gear (8); The invention further comprises a single chip microcomputer (28) fixed in the outer shell (15), an input end of which is electrically connected to an external power supply and an input end of a wireless transceiver module (27), an output end of which is electrically connected to input ends of a first motor (22), a second motor (25) and an electric push rod (13), a base (12), a screw (20) and a rotating plate (23), wherein the front side of the base (12) is fixed to the rear end of the outer shell (15), the left and right ends of the base (12) are both hingedly connected to the rotating plate (23), and the two ends are connected to the rotating plate (23) by a hinge. Each rotating plate (23) has a screw (20) threadedly passed through it, and further comprises an inner attachment block (18) and a pressing screw (19), wherein the inner attachment blocks (18) are two and symmetrically arranged, and the two inner attachment blocks (18) are both fixed to the inner side of the outer shell (15), and the pressing screws (19) are two and symmetrically arranged, and the ends of the two pressing screws (19) close to each other are threadedly passed through the side surface of the outer shell (15) and the inner attachment block (18), and the inner lens body (11) is located between the two pressing screws (19).

2. The infrared temperature measurement lens according to claim 1, characterized in that: The rotation center of the transmission rod (4) is located to the left of the detection center of the inner lens body (11).

3. The infrared temperature measurement lens according to claim 1, characterized in that: It also includes an elastic plate (14) and an outer pad (16), wherein four outer pads (16) are respectively fixed to four rear corners of the base (12), and the rear end of the outer pad (16) is fixed with the elastic plate (14).

4. The infrared temperature measurement lens according to claim 1, characterized in that: It also includes two buffer pads (17) which are respectively fixed to one end of the pressing screw rod (19) located inside the outer shell (15), and the sides of the two buffer pads (17) close to each other abut against the side of the inner lens body (11).

5. The infrared temperature measurement lens according to claim 1, characterized in that: It also includes an anti-fog film (5) fixed on the front side of the transparent protective cover (6).

6. The infrared temperature measurement lens according to claim 5, characterized in that: It also includes a push block (3) fixed on the front side of the transparent protective cover (6) and passing through the anti-fog film (5).

Citation Information

Patent Citations

  • Infrared camera lens device far away

    CN207396821U

  • Lens for infrared temperature measurement

    CN212623274U