Zoom lens barrel device with magnification recognition function

Abstract

The utility model discloses a zoom lens cone device for magnification identification, and belongs to the technical field of observation instruments. Based on a zoom lens barrel part, a light emitting part in a signal transceiving assembly in a magnification detection part is matched with a reflecting part and an extinction part in a signal processing assembly, so that a generating end and a receiving end of a signal corresponding to each adjusting magnification of a movable sleeve assembly in the signal transceiving assembly can be directly communicated; therefore, the magnification of the zoom lens cone can be obtained more directly and simply, and the acquisition of parameter data related to the magnification for calculation processing is not needed, so that the complexity of magnification acquisition is reduced; the problems of unstable detection parameter data, large parameter data error and the like easily existing on the basis of a device structure are avoided; the whole device is simple in structure, and the cost of design, production, processing and the like is reduced; in addition, the magnification positioning assembly is arranged, so that positioning control over the magnification of the zoom lens cone part is facilitated, and the magnification corresponding to the zoom lens cone part and the magnification detected by a computer are unified.

Description

Technical Field

[0001] The utility model belongs to the technical field of observation instruments, and in particular relates to a variable magnification lens barrel device for magnification recognition. Background Art

[0002] The movement of the zoom lens barrel in the microscope changes the magnification of the microscope during observation. The manual zoom lens barrel achieves the effect of changing the magnification by manually rotating the zoom component of the zoom lens barrel. At this time, the magnification of the zoom lens barrel is obtained by visually reading the value of the scale circle provided on the manual zoom lens barrel. However, the computer connected to the microscope cannot directly obtain the magnification of the microscope; the existing manual zoom lens barrel relies on detecting the moving state of the zoom lens barrel, or the moving distance of the lens in the zoom lens barrel and other parameter data to detect the magnification of the zoom lens barrel. The parameter data based on the detection needs to be further obtained through computer calculation and processing, which increases the complexity of the computer obtaining the magnification, and the detected parameter data is prone to unstable detection parameter data and large parameter data errors based on the device structure, which leads to inaccurate detection of the magnification of the zoom lens barrel; or the zoom lens barrel needs to be modified to adapt to the structure based on the detection, which complicates the structure of the zoom lens barrel and increases the cost of design, production and processing. Utility Model Content

[0003] In order to solve the problems existing in the prior art, the utility model proposes a variable magnification lens barrel device with magnification recognition.

[0004] A variable magnification lens barrel device for magnification recognition, comprising:

[0005] The zoom lens barrel component includes a movable sleeve assembly for adjusting the magnification;

[0006] The magnification detection component includes a signal transceiver component for generating and receiving signals corresponding to each adjustment magnification of the movable sleeve component; and a signal processing component for connecting the generating end and the receiving end of the signal corresponding to each adjustment magnification of the movable sleeve component in the signal transceiver component; the signal transceiver component and the signal processing component move relative to each other in the moving direction of the movable sleeve component, and one of the signal transceiver component and the signal processing component is arranged on the movable sleeve assembly.

[0007] Preferably, the signal transceiver assembly includes signal generating components corresponding to respective adjustment ratios of the movable sleeve assembly, and signal receiving components.

[0008] Preferably, the signal processing component includes a signal connecting part and a signal blocking part, and the generating end and the receiving end of the signal corresponding to the adjustment ratio of the movable sleeve component in the signal transceiver component are connected through the signal connecting part, and the generating end and the receiving end of the signal except the signal corresponding to the adjustment ratio of the movable sleeve component in the signal transceiver component are blocked by the signal blocking part.

[0009] Preferably, a shielding member is provided between each signal generating member and each signal receiving member; and a shielding member is provided between each signal receiving member.

[0010] Preferably, the signal generating element is a light emitting element.

[0011] Preferably, the signal connecting member is a reflective member; and the signal blocking member is a light-extinguishing member.

[0012] Preferably, the signal connecting member is arranged between two signal blocking members.

[0013] Preferably, it comprises a magnification positioning assembly, including a positioning member, and grooves corresponding to the respective adjustment magnifications provided on the movable sleeve, and the positioning member is in elastic fixed fitting contact with the grooves.

[0014] Preferably, an adjustable polarizer assembly is included, including a first gear, a polarizer, and a second gear sleeved on the polarizer, and the first gear is meshed with the second gear.

[0015] Preferably, an adjustable aperture assembly is included, including a first aperture and a second aperture coaxially arranged, the first aperture being movable with the movable sleeve based on a fork member provided on the movable sleeve assembly; the second aperture is fixedly connected to a rotating member provided outside the zoom lens barrel component.

[0016] The beneficial effects of the utility model are as follows: the utility model proposes a zoom lens barrel device for magnification recognition, which is based on the zoom lens barrel component, and through the signal transceiver component and the signal processing component in the magnification detection component, the signal generating end and the receiving end corresponding to each adjustment magnification of the movable sleeve component in the signal transceiver component can be directly connected; it makes it more direct and simple to obtain the magnification of the zoom lens barrel, the overall device structure is simple, and there is no need to obtain the magnification related parameter data for further calculation and processing, which reduces the complexity of obtaining the magnification; it avoids the problems of unstable detection parameter data and large parameter data errors that are easy to exist based on the device structure;

[0017] The magnification detection component is based on the cooperation of the light-emitting component in the signal transceiver component and the reflective component and the extinction component in the signal processing component, so that the signal generating end corresponding to the magnification adjustment of the movable sleeve component in the signal transceiver component is connected with the receiving end through the signal connecting component, and the signal generating end and the receiving end of the signal transceiver component other than the signal corresponding to the magnification adjustment of the movable sleeve component are blocked by the signal blocking component; the magnification detection component can be a device attached to the outside of the zoom lens barrel, and the zoom lens barrel component does not need to undergo excessive structural changes, thereby reducing the cost of design, production and processing, etc.;

[0018] In addition, a magnification positioning assembly is provided for different adjustment magnifications, which is used to position the different adjustment magnifications of the movable sleeve assembly, facilitate the positioning control of the magnification of the zoom lens barrel component, and facilitate the unification of the magnification corresponding to the zoom lens barrel component with the magnification detected by the computer. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of a variable magnification lens barrel device for magnification recognition in an embodiment;

[0020] Figure 2 A schematic diagram of a variable magnification lens barrel device for magnification recognition in an embodiment of the present invention being applied in a microscope;

[0021] Figure 3 It is a structural schematic diagram of the signal transceiver component in the magnification detection component in the embodiment;

[0022] Figure 4 It is a schematic cross-sectional structure diagram of a signal transceiver component in a magnification detection component in an embodiment;

[0023] Figure 5 is a schematic structural diagram of an adjustable polarizer assembly in an embodiment;

[0024] Figure 6 A schematic diagram of the structure of the adjustable aperture assembly in the embodiment;

[0025] Figure 7 It is a structural schematic diagram of a signal processing component in a magnification detection component in an embodiment;

[0026] Figure 8 Schematic diagram of the structure of the magnification positioning component in the embodiment.

[0027] In the figure: 1-lens barrel, 11-second movable groove, 2-movable sleeve assembly, 21-zoom sleeve, 211-first movable groove, 22-zoom outer barrel, 221-anti-slip part, 3-magnification detection component, 31-sending hole, 32-receiving hole, 33-shielding member, 34-signal generating member, 35-signal receiving member, 36-signal connecting member, 37-signal blocking member, 4-magnification positioning assembly, 41-groove, 42-elastic member, 43-steel ball, 5-adjustable polarizer assembly, 51-first gear, 52-second gear, 53-polarizer, 6-adjustable aperture assembly, 61-first aperture, 62-second aperture, 63-fork member, 64-rotating member, A-eyepiece component, B-fixed sleeve. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] like Figure 1 As shown, a variable magnification lens barrel device with magnification recognition includes: a variable magnification lens barrel component, including a movable sleeve assembly 2 for adjusting the magnification; a magnification detection component 3, including a signal transceiver assembly, used to generate and receive signals corresponding to each adjustment magnification of the movable sleeve assembly 2; and a signal processing assembly, used to connect the generating end and the receiving end of the signal corresponding to each adjustment magnification of the movable sleeve assembly 2 in the signal transceiver assembly; the signal transceiver assembly and the signal processing assembly move relative to each other in the moving direction of the movable sleeve assembly 2, and one of the signal transceiver assembly and the signal processing assembly is arranged on the movable sleeve assembly 2.

[0030] The signal processing component and the signal transceiver component are positioned in correspondence with each other to realize the recognition of the adjustment magnification of the movable sleeve component 2 in the zoom lens barrel component; the zoom lens barrel component adjusts the magnification based on the movement of the movable sleeve component 2, that is, the magnification of the zoom lens barrel component is different based on the different positions of the movable sleeve component 2. Figure 2 As shown, the zoom lens barrel device used in this embodiment is a zoom lens barrel component located between the eyepiece component A and the objective lens component in the microscope, wherein the zoom lens barrel component also includes a lens barrel 1, and a plurality of movable zoom lens bodies are arranged in the lens barrel 1, and the zoom lens bodies move axially along the lens barrel 1 with the movement of the movable zoom lens barrel; in the manual zoom lens barrel, the movement of the movable sleeve assembly 2 drives the plurality of zoom lens bodies in the lens barrel 1 to move axially along the lens barrel 1, thereby changing the distance between the plurality of zoom lens bodies, and achieving the effect of changing the magnification of the zoom lens barrel component. In this embodiment, the description is based on the movement of the movable sleeve assembly 2 being a rotational movement.

[0031] Specifically, the movable sleeve assembly 2 is sleeved on the lens barrel 1 for rotation and movement; the movable sleeve assembly 2 includes a zoom sleeve 21 and a zoom outer cylinder 22, the zoom sleeve 21 is sleeved on the lens barrel 1 and slides relatively with the lens barrel 1 in the rotation direction of the movable sleeve assembly, and the lens barrel 1 is fixed and motionless; the zoom sleeve 21 is provided with first movable grooves 211 corresponding to the movement of each zoom lens body, respectively, to guide and limit the movement position of the zoom lens body in the rotation direction, and the first movable groove 211 is a preset curved groove extending along the rotation direction of the zoom sleeve 21; the zoom outer cylinder 22 is sleeved on the zoom sleeve 21 and is fixedly connected to the zoom sleeve 21, so that The zoom sleeve 21 moves synchronously with the zoom outer cylinder 22, thereby improving the accuracy of adjusting the magnification of the movable sleeve assembly 2; and the zoom outer cylinder 22 is fixedly provided with an anti-slip part 221, which is convenient for manual adjustment of the zoom lens barrel component; in addition, the lens barrel 1 is provided with a second movable groove 11 corresponding to the movement of each zoom lens body, which guides and limits the moving position of the zoom lens body in the axial direction, and the second movable groove 11 is a straight groove extending axially along the lens barrel 1; therefore, a shift rod is fixedly provided on the edge of each zoom lens body, and the shift rod passes through and contacts and slides with the first movable groove 211 and the second movable groove 11, and then is fixedly connected to the zoom outer cylinder 22, and the shift rod can be realized by a screw.

[0032] Furthermore, the magnification process of the zoom lens barrel component is as follows: the movable sleeve component 2 is rotated by the anti-slip part 221, based on the zoom outer cylinder 22 in the movable sleeve component 2 and the lever on the edge of the zoom lens body, and the first movable groove 211 provided on the zoom sleeve 21 and the second movable groove 11 of the lens barrel 1. When the lens barrel 1 is fixed and stationary, the rotation of the movable sleeve component 2 drives each zoom lens body to move in the rotation direction along the corresponding first movable groove 211, and move in the axial direction of the lens barrel 1 along the corresponding second movable groove 11. Furthermore, the distance between the zoom lens bodies changes, so that the magnification of the zoom lens barrel component changes.

[0033] Further, the detection principle of the magnification detection component 3 is: each magnification preset in the zoom lens barrel component corresponds to a signal, that is, one magnification corresponds to a signal generating component 34 and a signal receiving component 35, and based on the signal processing component, the signal generated by the signal generating component corresponding to the magnification adjustment of the movable sleeve component 2 is transmitted to the corresponding signal receiving component for reception, thereby realizing the recognition of the magnification under the current state of the zoom lens barrel component. This solution does not require excessive calculation and processing, reduces the complexity of the system, can intuitively and conveniently obtain the magnification of the zoom lens barrel component, and separates the signal generating component 34 and the signal receiving component 35 corresponding to each magnification, so that the detected signal is stable, the situation of signal judgment error is reduced, the detection accuracy is improved, and it will not be affected by the zoom action speed of the zoom lens barrel component. The signal transceiver assembly and the signal processing assembly move relative to each other in the rotation direction of the movable sleeve assembly (2), and one of the signal transceiver assembly and the signal processing assembly is arranged on the movable sleeve assembly 2, so that the signal transceiver assembly and the signal processing assembly cooperate to realize the detection of the magnification of the variable-power lens barrel component; when the signal transceiver assembly is arranged on the movable sleeve assembly 2, the signal transceiver assembly moves with the movable sleeve assembly 2, and then the signal transceiver assembly moves relative to the signal processing assembly, and the signal processing assembly is stationary; when the signal processing assembly is arranged on the movable sleeve assembly 2, the signal processing assembly moves with the movable sleeve assembly 2, and then the signal processing assembly moves relative to the signal transceiver assembly, and the signal transceiver assembly is stationary. In this embodiment, the signal processing assembly is arranged on the movable sleeve assembly 2, wherein the signal transceiver assembly is arranged on a fixed sleeve B fixedly connected to the lens barrel 1, so that the signal transceiver assembly is stationary. The signal transceiver assembly and the signal processing assembly can be independent components arranged on the variable-power lens barrel component, so that the variable-power lens barrel component does not need to be excessively modified in structure, reducing the cost of structural design, production and processing.

[0034] Specifically, the signal transceiver assembly includes signal generating components 34 and signal receiving components 35 corresponding to the adjustment ratios of the movable sleeve assembly 2. Among them, each signal generating component 34 corresponds to each signal receiving component 35, and each signal generating component 34 and each signal receiving component 35 are arranged along the rotation direction of the movable sleeve; further, the signal generating component adopts a light-emitting component, and the light-emitting component in this embodiment adopts an infrared transmitting tube, and the signal receiving component 35 adopts an infrared receiving tube. Figure 3 and Figure 4As shown, the magnification detection assembly is fixedly connected with the fixed sleeve B based on the magnification detection housing, each signal generating member 34 and each signal receiving member 35 are arranged in the magnification detection housing, and based on the preset position of the movable sleeve assembly 2 corresponding to each adjustment magnification of the variable magnification lens barrel component, the magnification detection housing is provided with a sending hole 31 corresponding to each signal generating member 34 and a receiving hole 32 corresponding to each signal receiving member 35 on one side facing the movable sleeve assembly 2; and, since the signal generating end and the receiving end corresponding to the adjustment magnification of the movable sleeve assembly 2 in the signal transceiver assembly are connected based on the reflection of light, in order to avoid light scattering and thus affecting the error of signal detection, a shielding member 33 is provided between each signal generating member 34 and each signal receiving member 35; and a shielding member 33 is provided between each signal receiving member 35. The shielding member 33 is a light shielding plate. The accuracy of the magnification detection member 3 in detecting the magnification of the variable magnification lens barrel component is further improved, and the error of magnification detection caused by the influence between the light-emitting members and between the light-emitting members and the receiving members is avoided. The signal generating component 34 and the signal receiving component 35 are respectively connected to their corresponding control boards to control them to generate and receive signals. The control board is connected to a computer, so that the computer can obtain the magnification of the zoom lens barrel component.

[0035] In addition, if Figure 7 As shown, the signal processing component includes a signal connecting member 36 and a signal blocking member 37. The signal generating end and the receiving end of the signal corresponding to the adjustment magnification of the movable sleeve component 2 in the signal transceiver component are connected through the signal connecting member 36, and the signal generating end and the receiving end of the signal transceiver component other than the signal corresponding to the adjustment magnification of the movable sleeve component 2 are blocked by the signal blocking member 37. Further, the signal connecting member 36 adopts a reflective member; and the signal blocking member 37 adopts a light-extinguishing member. In this embodiment, the reflective member adopts a material or device that can reflect light, such as a reflector; the light-extinguishing member adopts a material or device that can block light propagation or anti-reflective material, such as a black light-extinguishing light-absorbing cloth; further, based on the detection principle of the magnification detection component 3 in this scheme, the essence is based on the signal processing component transmitting the signal generated corresponding to the magnification adjusted by the movable sleeve component 2 to the corresponding signal receiving component, and then based on the signal transceiver component, the signal connecting member 36 is arranged between the two signal blocking members 37, and the specific signal processing component includes a signal connecting member and two signal blocking members, each of which is in the shape of an extended strip. The positions of the signal connecting component 36 and the signal blocking component 37 in the signal processing component and the positions of the signal generating component 34 and the signal receiving component 35 in the signal transceiver component are arranged in correspondence with each other based on the principle of light refraction, so that the signal generated by each signal generating component 34 is transmitted to the position of the signal connecting component or the signal blocking component, and the signal refracted by the signal connecting component is transmitted to the position of the corresponding signal receiver. The signal connecting component 36 and the signal blocking component 37 are also arranged along the rotation direction of the movable sleeve.

[0036] The magnification detection process of the magnification detection component 3 is as follows: the light beams of each signal generating component 34 are continuously emitted, and the positions of the movable sleeve assembly 2 corresponding to each preset adjustment magnification corresponding to the zoom lens barrel component correspond to a group of signal generating components 34 and signal receiving components 35; when the movable sleeve assembly 2 moves to a certain magnification, the position of the signal connecting component 36 corresponds to the positions of the signal generating component 34 and the signal receiving component 35 corresponding to the magnification, so that the signal generated by the signal generating component 34 corresponding to the magnification is refracted by the signal connecting component 36 and received by the signal receiving component 35 corresponding to the magnification; at this time, the positions of the signal generating components 34 and the signal receiving component 35 corresponding to other magnifications correspond to the position of the signal blocking component 37, so that the light beams generated by other signal generating components 34 are blocked by the signal blocking component 37, and the signal receiving component 35 cannot receive the corresponding light signal; thereby obtaining the magnification of the zoom lens barrel corresponding to the connected signal generating component and the receiving component.

[0037] In addition, in order to facilitate the positioning control of the magnification of the variable-power lens barrel component and to facilitate the unification of the magnification corresponding to the variable-power lens barrel component with the magnification detected by the computer. Figure 8 As shown, a zoom lens barrel device for magnification detection includes a magnification positioning assembly 4, which is used to position each adjustment magnification of a movable sleeve assembly 2, and includes a positioning member, and a groove 41 corresponding to each adjustment magnification provided on the movable sleeve, and the positioning member is elastically fixedly matched with the groove 41. Specifically, in this embodiment, the groove 41 adopts a V-shaped groove for easy elastic positioning; the groove 41 provided on the movable sleeve assembly 2 is arranged on the zoom sleeve 21; the positioning member includes an elastic member 42 and a steel ball 43, one end of the elastic member 42 is connected to a fixed component, in this embodiment, one end of the elastic member 42 is connected to the eyepiece component A, and the other end is connected to the steel ball 43; the groove 41 is arranged at the end of the zoom sleeve 21.

[0038] The process of magnification positioning is as follows: the groove 41 provided on the movable sleeve assembly 2 is engaged with the steel ball 43, and when the steel ball 43 is engaged with the groove 41, the elastic member 42 connected to the steel ball 43 is in a relatively extended state; when the zoom lens barrel component is operated to change the magnification, the movable sleeve assembly 2 rotates and moves, and based on the elastic performance of the elastic member 42, the steel ball 43 is disengaged from the existing engaged groove 41 and moves to the groove 41 corresponding to the next preset magnification; after the steel ball 43 is disengaged from the existing groove 41, the elastic member 42 is relatively compressed until it reaches the groove 41 corresponding to the next preset magnification, the steel ball 43 is engaged, and the elastic member 42 is relatively extended, thereby achieving the effect of magnification positioning; and under the magnification positioning with the steel ball 43 engaged, the movable sleeve assembly 2 on the zoom lens barrel component is not easy to move, and will not affect the magnification change, so that the microscope can observe stably under the preset magnification.

[0039] Furthermore, based on the different requirements for the polarization direction of light during the use of microscopes, such as Figure 5 As shown, a zoom lens barrel device for magnification detection includes an adjustable polarizer assembly 5, including a first gear 51, a polarizer 53, and a second gear 52 sleeved on the polarizer 53, and the first gear 51 is meshed with the second gear 52. The first gear portion is arranged outside the zoom lens barrel, and the polarizer 53 can be adjusted to a proper polarization direction based on the first gear 51, so as to facilitate self-control of the proper polarization direction.

[0040] Furthermore, in a microscope, the aperture is a hole that limits the size of the incident light beam, affecting the clarity and brightness of the image. And each magnification requires a corresponding aperture size. Figure 6 As shown, a zoom lens barrel device for magnification detection includes an adjustable aperture assembly 6, including a first aperture 61 and a second aperture 62 arranged coaxially. The first aperture 61 is movable with the movable sleeve based on a fork member 63 provided on the movable sleeve assembly 2; the second aperture 62 is fixedly connected to a rotating member 64 provided outside the zoom lens barrel component. Therefore, the first aperture 61 will change the aperture size with the movement of the movable sleeve assembly 2, thereby obtaining the aperture size of the aperture corresponding to each magnification; the second aperture 62 will change the aperture size with the rotation of the rotating member 64, thereby self-adjusting the aperture size of the second aperture 62. Among them, a notch is provided at a position corresponding to the position of the rotating member 64 on the zoom lens barrel component, which facilitates the second aperture 62 to rotate and change the aperture size with the movement of the rotating member 64. In this embodiment, both the first aperture 61 and the second aperture 62 are adjustable apertures with a lever, and both are based on adjusting the aperture size of the aperture based on the lever. The adjustable polarizer assembly 5 is arranged between the adjustable aperture assembly 6 and the zoom lens body.

[0041] The utility model discloses a variable magnification lens barrel device for magnification identification, belonging to the technical field of observation instruments; based on the variable magnification lens barrel component, through the light-emitting component in the signal transceiver component in the magnification detection component, and the reflection component and the extinction component in the signal processing component, the signal generating end corresponding to each adjustment magnification of the movable sleeve component in the signal transceiver component can be directly connected with the receiving end; so that the magnification of the variable magnification lens barrel is obtained more directly and simply, and it is not necessary to obtain the magnification-related parameter data for calculation and processing, which reduces the complexity of obtaining the magnification; avoids the problems of unstable detection parameter data and large parameter data errors based on the device structure; the overall device structure is simple, reducing the cost of design, production and processing; in addition, the magnification positioning component is provided, which is convenient for positioning control of the magnification of the variable magnification lens barrel component, and unifying the magnification corresponding to the variable magnification lens barrel component with the magnification detected by the computer. At the same time, the design of the adjustable polarizer component and the adjustable aperture component is convenient for the self-control of the optical fiber polarization direction and the aperture size based on demand, and improves the use experience of the microscope.

[0042] The above are only preferred embodiments of the utility model, but do not limit the patent scope of the utility model. Although the utility model is described in detail with reference to the above embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the above specific implementations, or replace some of the technical features with equivalents. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the scope of protection of the utility model patent.

Claims

1. A variable-power lens barrel device for magnification recognition, characterized in that: include: A variable magnification lens barrel component, comprising a movable sleeve assembly (2) for adjusting magnification; The magnification detection component (3) comprises a signal transceiver component for generating and receiving signals corresponding to the various adjustment magnifications of the movable sleeve component (2); and a signal processing component for connecting the generating end and the receiving end of the signals corresponding to the various adjustment magnifications of the movable sleeve component (2) in the signal transceiver component; the signal transceiver component and the signal processing component move relative to each other in the moving direction of the movable sleeve component (2), and one of the signal transceiver component and the signal processing component is arranged on the movable sleeve component (2).

2. A variable magnification lens barrel device with magnification recognition according to claim 1, characterized in that: The signal transceiver assembly comprises signal generating components (34) corresponding to respective adjustment magnifications of the movable sleeve assembly (2), and signal receiving components (35).

3. The variable magnification lens barrel device with magnification recognition according to claim 1, characterized in that: The signal processing component comprises a signal connecting member (36) and a signal blocking member (37); a generating end of a signal corresponding to the adjustment ratio of the movable sleeve component (2) in the signal transceiver component is connected to a receiving end via the signal connecting member (36); a generating end of a signal other than the signal corresponding to the adjustment ratio of the movable sleeve component (2) in the signal transceiver component is blocked from a receiving end via the signal blocking member (37).

4. The variable magnification lens barrel device with magnification recognition according to claim 2, characterized in that: A shielding member (33) is provided between each signal generating member (34) and each signal receiving member (35); and a shielding member (33) is provided between each signal receiving member (35).

5. The variable magnification lens barrel device with magnification recognition according to claim 2, characterized in that: The signal generating component is a light emitting component.

6. The variable magnification lens barrel device with magnification recognition according to claim 3, characterized in that: The signal connecting member (36) is a reflective member; and the signal blocking member (37) is a light-extinguishing member.

7. The variable magnification lens barrel device with magnification recognition according to claim 3, characterized in that: The signal connecting member (36) is arranged between the two signal blocking members (37).

8. The variable magnification lens barrel device with magnification recognition according to claim 1, characterized in that: It comprises a magnification positioning assembly (4), a positioning piece, and grooves (41) corresponding to the respective adjustment magnifications provided on a movable sleeve, wherein the positioning piece is in elastic fixed matching contact with the grooves (41).

9. The variable magnification lens barrel device with magnification recognition according to claim 1, characterized in that: The invention comprises an adjustable polarizing lens assembly (5), comprising a first gear (51), a polarizing lens (53), and a second gear (52) sleeved on the polarizing lens (53), wherein the first gear (51) is meshed with the second gear (52).

10. The variable magnification lens barrel device with magnification recognition according to claim 1, characterized in that: The invention comprises an adjustable aperture assembly (6), comprising a first aperture (61) and a second aperture (62) which are coaxially arranged. The first aperture (61) is movable with the movable sleeve based on a shift fork member (63) arranged on the movable sleeve assembly (2); and the second aperture (62) is fixedly connected to a rotating member (64) arranged outside the zoom lens barrel member.

Images