CN214097937U - Lens device and industrial endoscope - Google Patents
Lens device and industrial endoscope Download PDFInfo
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- CN214097937U CN214097937U CN202120101110.2U CN202120101110U CN214097937U CN 214097937 U CN214097937 U CN 214097937U CN 202120101110 U CN202120101110 U CN 202120101110U CN 214097937 U CN214097937 U CN 214097937U
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Abstract
The utility model relates to a lens device and an industrial endoscope, which comprises a body, a lens piece, a coil component and a magnetic sliding piece; an accommodating cavity is formed in the body, the lens piece, the magnetic sliding piece and the coil assembly are all arranged in the accommodating cavity, and the magnetic sliding piece is connected to the cavity wall of the accommodating cavity in a sliding manner along the axial direction of the body; the lens piece is located on the magnetic sliding piece and is changed along with the state change of magnetic sliding piece, and coil pack is configured to be used for producing the magnetic field force that drives the axial direction removal of magnetic sliding piece along the body to make the magnetic sliding piece drive the lens piece along the axial direction motion of body, so, produce through coil pack and make the magnetic sliding piece drive the lens piece along the axial of body holding the magnetic field force that the intracavity removed, realized the automatic position control of lens piece in the lens device, thereby realize the utility model provides a lens device zooms in the automation of finite space.
Description
Technical Field
The utility model relates to an industry endoscope technical field especially relates to a camera lens device and industry endoscope.
Background
With the improvement of various manufacturing processes, many product processing and production enterprises can use industrial endoscopes to inspect the product quality or detect and inspect, the industrial endoscopes can be used for inspecting and observing places where high temperature, toxicity, nuclear radiation and human eyes cannot directly observe, the industrial endoscopes are mainly used for the detection fields of automobiles, aero-engines, pipelines, mechanical parts and the like, and nondestructive detection can be realized without disassembling or damaging assembly and equipment to stop running.
The traditional camera imaging system of the industrial endoscope is limited by a restriction, a space structure and the like, and a fixed zooming technology or a zooming mode of manually replacing a lens is adopted, so that clear imaging effects at different distances are obtained, but the camera imaging systems of the two industrial endoscopes cannot realize automatic zooming in a limited space.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an automatic zoom lens device and an industrial endoscope for solving the problem that the camera imaging system of the industrial endoscope cannot realize automatic zooming in a limited space structure.
A lens apparatus, comprising:
the body is internally provided with an accommodating cavity;
the magnetic sliding piece is connected to the cavity wall of the accommodating cavity in an axially sliding mode along the body;
the lens piece is arranged on the magnetic sliding piece;
a coil assembly disposed in the accommodating cavity, wherein the coil assembly is configured to generate a magnetic force capable of driving the magnetic slider to move along the axial direction of the body.
In one embodiment, the magnetic sliding part is configured to bring the lens piece to slide back and forth in the accommodating cavity along the axial direction of the body.
In one embodiment, the coil assembly and the magnetic slider are attracted to or repelled from each other.
In one embodiment, the coil assembly is located on one or both sides of the magnetic slider in the axial direction of the body.
In one embodiment, the coil assembly includes a first coil and a second coil located on both sides of the magnetic slider in an axial direction of the body;
the first coil can generate a first magnetic force, the second coil can generate a second magnetic force, and the direction of the first magnetic force is the same as that of the second magnetic force;
when the first coil and the magnetic sliding piece are mutually attracted or repelled, the second coil and the magnetic sliding piece are mutually repelled or attracted.
In one embodiment, the magnetic slider has first and second poles facing each other in the axial direction of the body;
when the first coil and the first pole are mutually attracted or mutually repelled, the second coil and the second pole are mutually repelled or mutually attracted.
In one embodiment, the lens device includes a magnetic excitation module configured to provide different magnetic excitation signals to the coil assembly so that the coil assembly generates a magnetic force matching the magnetic excitation signals.
In one embodiment, the lens device further comprises an image sensing module;
the image sensing module is used for picking up an image generated by the lens piece and transmitting a control signal according to the definition of the image so as to control the magnetic excitation module to provide different magnetic excitation signals for the coil assembly, so that the lens slides in the accommodating cavity to zoom.
In one embodiment, the lens device further includes a lens disposed in the accommodating cavity and located on a side of the body away from the lens element.
According to another aspect of the present invention, there is provided an industrial endoscope including the lens device described in any one of the above embodiments;
above-mentioned camera lens device through setting up coil pack, produces and makes the magnetism slider drive lens spare along the axial of body remove magnetic field force holding the intracavity, has realized the automatic position control of lens spare in camera lens device, thereby realizes the utility model discloses a camera lens device zooms in the automation of finite space.
Drawings
Fig. 1 is a cross-sectional view of a lens device according to an embodiment of the present invention;
fig. 2 is an isometric view of the lens device shown in fig. 1.
Reference numerals: 100. a lens device; 10. a body; 11. an accommodating chamber; 20. a lens member; 30. a coil assembly; 31. a first coil; 32. a second coil; 40. a magnetic slider; 41. a first pole; 42. a second pole; 50. fixing the slide rail; 51. a first rail; 52. a second rail; 60. a magnetic excitation module; 70. an image sensing module; 80. an information processing module; 90. a lens; d1 magnetic field force direction.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 2, a lens device 100 according to an embodiment of the present invention includes a body 10, a lens element 20, a coil assembly 30 and a magnetic sliding element 40.
An accommodating cavity 11 is formed in the body 10, the lens element 20, the magnetic sliding element 40 and the coil assembly 30 are all arranged in the accommodating cavity 11, and the magnetic sliding element 40 is connected to the cavity wall of the accommodating cavity 11 in a sliding manner along the axial direction of the body 10; the lens element 20 is disposed on the magnetic sliding element 40 and changes with the change of the position of the magnetic sliding element 40, the coil assembly 30 is configured to generate a magnetic field force for driving the magnetic sliding element 40 to move along the axial direction of the body 10, the magnetic field force direction D1 is shown in fig. 1, so that the magnetic sliding element 40 drives the lens element 20 to move along the axial direction of the body 10, and thus, the magnetic field force which enables the magnetic sliding element 40 to drive the lens element 20 to move along the axial direction of the body 10 in the accommodating cavity 11 is generated through the coil assembly 30, thereby realizing the automatic position adjustment of the lens element 20 in the lens device 100, and further realizing the automatic zooming of the lens device 100 in a limited space.
Further, the magnetic sliding member 40 is configured to drive the lens element 20 to slide back and forth in the accommodating cavity 11 along the axial direction of the body 10, so as to drive the lens element 20 to slide back and forth in the accommodating cavity 11 along the axial direction of the body 10, thereby achieving zoom adjustment required by different positions of the lens element 20 in the mounting cavity 11.
In one embodiment, the coil assembly 30 is located on one side or two sides of the magnetic slider 40 along the axial direction of the body 10, and the coil assembly 30 and the magnetic slider 40 can attract or repel each other, so that the magnetic slider 40 slides towards or away from the coil assembly 30 or between the coil assemblies 30 under the driving of the coil assembly 30.
In one embodiment, as shown in fig. 1, the coil assembly 30 includes a first coil 31 and a second coil 32, the first coil 31 and the second coil 32 are located on two sides of the magnetic sliding member 40 along the axial direction of the body 10, the first coil 31 is capable of generating a first magnetic force, the first coil 31 is capable of generating a second magnetic force, the first magnetic force direction D1 is the same as the second magnetic force direction D1; when the first coil 31 and the magnetic sliding member 40 are attracted or repelled to each other, and the second coil 32 and the magnetic sliding member 40 are repelled or attracted to each other, the magnetic sliding member 40 drives the lens element 20 to slide toward or away from the first coil 31 under the dual acting force of the first magnetic field force and the second magnetic field force, thereby effectively completing the automatic zooming of the lens element 20.
Specifically, when the first coil 31 and the magnetic sliding element 40 are mutually repulsive, the second coil 32 and the magnetic sliding element 40 are mutually attracted, and the magnetic sliding element 40 drives the lens element 20 to slide to a side close to the second coil 32 under the thrust action of the first magnetic field force and the suction action of the second magnetic field force, so as to complete automatic zooming in one situation; when the first coil 31 and the magnetic sliding member 40 are attracted to each other, the second coil 32 and the magnetic sliding member 40 repel each other, and the magnetic sliding member 40 drives the lens element 20 to slide toward the side close to the first coil 31 under the attraction of the first magnetic field force and the thrust of the second magnetic field force, thereby completing the automatic zooming under another condition.
In one embodiment, the magnetic sliding member 40 has a first pole 41 adjacent to the first coil 31 and a second pole 42 adjacent to the second coil 32, which are oppositely arranged along the axial direction of the accommodating cavity 11; when the first coil 31 and the first pole 41 are attracted or repelled to each other, the second coil 32 and the second pole 42 are repelled or attracted to each other, so that the magnetic sliding element 40 drives the lens element 20 to slide toward the direction close to the first coil 31 or the second coil 32 under the combined action of the first coil 31 and the second coil 32.
In one embodiment, the present invention provides a lens device 100 further including a fixed slide rail 50, the fixed slide rail 50 is disposed between the magnetic sliding element 40 and the wall of the mounting cavity 11, and the magnetic sliding element 40 slides reciprocally in the accommodating cavity 11 along the fixed slide rail 50 under the action of the coil assembly 30, so that the lens element 20 can be adjusted more smoothly.
Specifically, the fixed slide rail 50 includes a first rail 51 and a second rail 52, the first rail 51 and the second rail 52 are disposed at two sides of the magnetic sliding element 40 along the radial direction of the body 10, and are symmetrically disposed on the cavity wall of the accommodating cavity 11 with the magnetic sliding element 40 as a reference, the magnetic assembly 40 is in sliding contact with the first rail 51 and the second rail 52, and slides in the accommodating cavity 11 in a reciprocating manner under the guiding action of the first rail 51 and the second rail 52.
In one embodiment, the present invention provides a lens device 100 further comprising a magnetic excitation module 60, wherein the magnetic excitation module 60 is configured to provide different magnetic excitation signals to the coil assembly 30, so that the coil assembly 30 generates a magnetic force matched with the magnetic excitation signals, thereby controlling the distance and direction that the magnetic sliding member 40 and the lens element 20 are moved.
Specifically, the magnetic excitation module 60 is a magnetic excitation circuit, and the magnetic excitation circuit can provide currents with different directions and magnitudes to the first coil 31 and the second coil 32, so that the coil assembly 30 forms different magnetic field forces, and further the magnetic sliding member 40 and the lens element 20 are controlled to move towards different directions and different distances, thereby achieving the purpose of automatic zooming.
It should be noted that a plurality of lens elements 20 may be disposed in the body 10 of the lens device 100 at the same time, the lens elements 20 are disposed in the accommodating cavity 11 at intervals and in parallel along the axial direction of the body 10, and the lens elements 20 cooperate to generate an image.
In one embodiment, the present invention provides a lens device 100, which further includes an image sensor module 70, wherein the image sensor module 70 picks up images generated by the plurality of lens elements 20 and transmits a control signal according to the definition of the images to control the magnetic excitation module 60 to provide different magnetic excitation signals to the coil assembly 30, so that the lens elements 20 slide in the accommodating cavity 11 for zoom adjustment.
Specifically, the image sensing module 70 includes an image processor that picks up the image produced by the lens element 20 and a driver circuit that will analyze whether the image is sharp and the object distance is within the most reasonable focal distance. And then according to the analysis result, a corresponding control signal is given by a driving circuit to control the magnetic excitation module 60, and the magnetic excitation module 60 outputs an excitation signal to control the coil assembly 30, so that the purpose of automatic zooming is achieved.
Further, the present invention provides a lens device 100 further comprising an information processing module 80 for processing the information transmitted by the lens element 20 and transmitting the information to the magnetic excitation module 60 and the image sensing module 70, and also processing the excitation signal and the control signal transmitted by the magnetic excitation module 60 and the image sensing module 70 and transmitting the signals to the lens element 20, thereby realizing the control and information transmission of the lens device 100.
In one embodiment, the body 10 is further provided with a lens 90, the lens 90 is disposed in the accommodating cavity 11, and the accommodating cavity 11 is sealed at a side of the body 10 away from the lens element 20, so as to protect the coil assembly 30, the lens element 20 and the magnetic sliding element 40 in the accommodating cavity 11 from water and dust.
Compared with the prior art, the utility model provides an automatic zoom lens device 100, design scientific and reasonable has abandoned traditional manual zooming or even the tight shot, through the automatic position that changes lens spare 20 in the chamber 11 that holds of body 10, has realized the automatically regulated of focus in the finite space, and the automatic zooming is controllable, need not change the size of lens device 100, alright in order to obtain the clear imaging effect of different distances.
Further, because lens piece 20, information processing module 80, magnetic excitation module 60 and image sensing module 70 form closed-loop adjustment, the utility model provides a lens device 100 can also accomplish to realize the automatic zoom function of magnetic control fast.
According to the utility model discloses an on the other hand provides an industrial endoscope for the inspection and the observation in the place that high temperature, poisonous, nuclear radiation and people's eye can't the direct observation, detect devices such as car, aeroengine, pipeline, machine part, can realize nondestructive test under the condition that need not to dismantle or destroy equipment and equipment shut down, including the lens device 100 that provides in any embodiment above.
The lens device 100 and the industrial endoscope of the above embodiments of the present invention have the following advantages:
(1) the magnetic force is generated by the coil assembly 30, and the magnetic force causes the magnetic sliding member 40 to drive the lens element 20 to move in the accommodating cavity 11 along the axial direction of the body 10, so that the automatic position adjustment of the lens element 20 in the lens device 100 is realized, and the automatic zooming of the lens device 100 in a limited space is realized;
(2) by arranging the first coil 31 to generate a first magnetic field force and the second coil 32 to generate a second magnetic field force, the magnetic sliding piece 40 drives the lens piece 20 to slide towards the direction close to or far away from the first coil 31 under the dual acting force of the first magnetic field force and the second magnetic field force, so that the automatic zooming of the lens piece 20 is effectively completed;
(3) by arranging the fixed slide rail 50 and arranging the fixed slide rail between the magnetic sliding part 40 and the wall of the mounting cavity 11, the magnetic sliding part 40 slides back and forth in the accommodating cavity 11 along the fixed slide rail 50 under the action of a magnetic field force, so that the adjustment of the lens piece 20 is smoother;
(4) by arranging the magnetic excitation module 60, different magnetic excitation signals can be provided for the coil assembly 30, so that the coil assembly 30 generates different magnetic field forces, thereby controlling the distance and the direction in which the lens element 20 is moved and adjusting different focal lengths;
(5) because lens piece 20, information processing module 80, magnetic excitation module 60 and image sensing module 70 form closed-loop control, consequently the utility model provides a lens device 100 can also accomplish fast and realize the automatic function of zooming of magnetic control.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A lens apparatus, comprising:
the body is internally provided with an accommodating cavity;
the magnetic sliding piece is connected to the cavity wall of the accommodating cavity in an axially sliding mode along the body;
the lens piece is arranged on the magnetic sliding piece;
a coil assembly disposed in the accommodating cavity, wherein the coil assembly is configured to generate a magnetic force capable of driving the magnetic slider to move along the axial direction of the body.
2. The lens device according to claim 1, wherein the magnetic slider is configured to bring the lens member to slide reciprocally in the accommodation chamber along an axial direction of the body.
3. The lens apparatus according to claim 1, wherein the coil assembly and the magnetic slider are attracted to each other or repelled from each other.
4. The lens device according to claim 1, wherein the coil assembly is located on one side or both sides of the magnetic slider in an axial direction of the body.
5. The lens device according to claim 4, wherein the coil assembly includes a first coil and a second coil located on both sides of the magnetic slider in an axial direction of the body;
the first coil can generate a first magnetic force, the second coil can generate a second magnetic force, and the direction of the first magnetic force is the same as that of the second magnetic force;
when the first coil and the magnetic sliding piece are mutually attracted or repelled, the second coil and the magnetic sliding piece are mutually repelled or attracted.
6. The lens device according to claim 5, wherein the magnetic slider has a first pole and a second pole which are opposite to each other in the axial direction of the body;
when the first coil and the first pole are mutually attracted or mutually repelled, the second coil and the second pole are mutually repelled or mutually attracted.
7. The lens device as claimed in claim 1, wherein the lens device includes a magnetic excitation module configured to provide different magnetic excitation signals to the coil assembly to cause the coil assembly to generate a magnetic field force matching the magnetic excitation signals.
8. The lens device according to claim 7, characterized in that the lens device further includes an image sensing module;
the image sensing module is used for picking up an image generated by the lens piece and transmitting a control signal according to the definition of the image so as to control the magnetic excitation module to provide different magnetic excitation signals for the coil assembly.
9. The lens device as claimed in claim 1, further comprising a lens disposed in the accommodating cavity and located on a side of the body away from the lens element.
10. An industrial endoscope, comprising the lens device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120101110.2U CN214097937U (en) | 2021-01-14 | 2021-01-14 | Lens device and industrial endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120101110.2U CN214097937U (en) | 2021-01-14 | 2021-01-14 | Lens device and industrial endoscope |
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| Publication Number | Publication Date |
|---|---|
| CN214097937U true CN214097937U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120101110.2U Active CN214097937U (en) | 2021-01-14 | 2021-01-14 | Lens device and industrial endoscope |
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| CN (1) | CN214097937U (en) |
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- 2021-01-14 CN CN202120101110.2U patent/CN214097937U/en active Active
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