Spectacle frame analyzer

Abstract

The utility model provides a glasses frame analyzer, comprising: a sighting mark module comprising a light source module and a target, the light source module being used for emitting sighting mark light; the target comprises a rotating disc and a motor, the rotating disc is used for receiving the sighting mark light, and the motor is connected with the rotating disc so as to drive the rotating disc to rotate; the detection module is used for acquiring an image of the face of the user so as to calculate the pupil distance and / or pupil height of the user; and the light guide module is arranged corresponding to the sighting mark module and the detection module at the same time, and the light guide module comprises a semi-transparent and semi-reflective element and is used for guiding the sighting mark light to the eyes of a user and guiding the light of the face of the user to the detection module. According to the mirror frame analyzer provided by the invention, the attention of a user can be improved, so that the accuracy of pupil distance and pupil height measurement is improved.

Description

Technical Field

[0001] The present application relates to the field of ophthalmology, and in particular to a spectacles frame analyzer. Background Art

[0002] Existing methods for measuring pupillary distance and pupil height typically use an interpupillary distance ruler. During measurement, the subject looks straight ahead with both eyes. The measurer aligns the interpupillary distance ruler with the center of the subject's nose bridge and then checks the scale corresponding to the center of the pupil. However, during the measurement process, there is a risk that the subject may lose focus or be distracted by nearby objects such as the interpupillary distance ruler, causing their gaze to wander, leading to measurement errors. Utility Model Content

[0003] On one hand, the present application provides a frame analyzer, comprising:

[0004] The sight mark module includes a light source module and a target, wherein the light source module is used to emit sight mark light; the target includes a turntable and a motor, wherein the turntable is used to receive the sight mark light, and the motor is connected to the turntable to drive the turntable to rotate;

[0005] a detection module, configured to obtain an image of the user's face for calculating the user's pupil distance and / or pupil height; and

[0006] The light guiding module is set corresponding to the sight mark module and the detection module. The light guiding module includes a semi-transmissive and semi-reflective element for guiding the sight mark light to the user's eyes and for guiding the light on the user's face to the detection module.

[0007] The frame analyzer provided in the embodiment of the present application can project sight mark light on a turntable to form a pattern by setting a sight mark module, thereby attracting the user's attention. By setting a detection module to directly obtain an image of the user's face, the user's pupil distance and pupil height can be calculated through the image, avoiding the use of other measurement tools. This is conducive to avoiding the user's attention being distracted by nearby objects, thereby reducing measurement errors and improving the efficiency and accuracy of measuring pupil distance and pupil height. By setting the light guiding module to include a semi-transparent and semi-reflective element, the optical path of the sight mark module can be overlapped with the optical path of the detection module, that is, the semi-transparent and semi-reflective element can reflect the sight mark light into the user's eyes and transmit the light from the user's face into the detection module, or transmit the sight mark light into the user's eyes and reflect the light from the user's face into the detection module. This is conducive to improving space utilization.

[0008] In one embodiment, the light guiding module further includes a dimming element, which is arranged between the semi-transmissive and semi-reflective element and the sight mark module in the optical path, and the dimming element is used to modulate the sight mark light so that the user sees an enlarged virtual image of the turntable after receiving the sight mark light.

[0009] In one embodiment, the light guiding module further includes a reflective element, which is disposed between the sight mark module and the dimming element on the optical path and is configured to reflect the sight mark light to the dimming element.

[0010] In one embodiment, the eyeglass frame analyzer further includes a shell, in which the sight mark module, the detection module and the light guiding module are all accommodated. A window is provided on the shell, and the sight mark light guided by the light guiding module can be emitted to the outside of the shell through the window.

[0011] In one embodiment, the detection module includes an image acquisition module, which is arranged on one side of the semi-transparent and semi-reflective element and corresponds to the window; the light from the user's face is transmitted to the image acquisition module through the window and the semi-transparent and semi-reflective element.

[0012] In one embodiment, the housing includes a fixing frame and an outer shell, the fixing frame is used to fix the sight mark module, the detection module and the light guide module; the outer shell accommodates the fixing frame.

[0013] In one embodiment, the eyeglass frame analyzer further comprises a plurality of lighting elements, wherein the lighting elements are disposed on the fixing frame and are configured to provide lighting to the user's face.

[0014] In one embodiment, the eyeglass frame analyzer further comprises a bracket connected to the housing to support the housing.

[0015] In one embodiment, the bracket includes a base and a telescopic rod, two ends of the telescopic rod are respectively connected to the base and the shell, and the telescopic rod is used to drive the shell to move relative to the base.

[0016] In one embodiment, the sight mark pattern formed by the sight mark light projected onto the turntable changes as the turntable rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of the frame analyzer in the embodiment of the present application.

[0018] Figure 2 Schematic diagram of the internal structure of the frame analyzer in the embodiment of the present application.

[0019] Figure 3Schematic diagram of the optical path structure of the frame analyzer in the embodiment of the present application.

[0020] Figure 4 Schematic diagram of the pattern on the target in the embodiment of this application.

[0021] Description of main component symbols

[0022] Frame Analyzer 100

[0023] Sight mark module 10

[0024] Light source module 11

[0025] Target 13

[0026] Turntable 131

[0027] Motor 133

[0028] Detection module 30

[0029] Image acquisition module 31

[0030] Lighting element 33

[0031] Light guide module 50

[0032] Transflective element 51

[0033] Dimming element 53

[0034] Reflective element 55

[0035] Housing 70

[0036] Housing 71

[0037] Fixed frame 73

[0038] Windows 732

[0039] Bracket 90

[0040] Base 91

[0041] Telescopic rod 93

[0042] Sight light L1

[0043] Reflected light L2

[0044] Face Light L3

[0045] Sight mark patterns A, A1

[0046] Eyes

[0047] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments.

[0049] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0050] In order to further illustrate the technical means and effects adopted by this application to achieve the intended purpose, the following detailed description of this application is made in conjunction with the accompanying drawings and preferred implementation methods.

[0051] Please also refer to Figure 1 and Figure 2 The eyeglass frame analyzer 100 provided in an embodiment of the present application includes an optotype module 10, a detection module 30, a light guide module 50, a housing 70, and a bracket 90. The optotype module 10 is used to display an optotype pattern and to project optotype light corresponding to the optotype pattern, and the detection module 30 is used to obtain a facial image of the user for calculating the user's pupil distance and / or pupil height. The light guide module 50 is configured to correspond to both the optotype module 10 and the detection module 30. The light guide module is used to guide the optotype light to the user's eyes and to guide the light on the user's face to the detection module 30. The housing 70 includes a shell 71 and a fixing frame 73. The fixing frame 73 is used to fix the optotype module 10, the detection module 30, and the light guide module 50. The housing 71 is used to accommodate the fixing frame 73. The bracket 90 is connected to the housing 71 and is used to support the housing 70, the optotype module 10, the detection module 30, and the light guide module 50.

[0052] The frame analyzer 100 provided in an embodiment of the present application is used to measure the pupil distance and pupil height of a user. Specifically, the pupil distance refers to the distance between the two pupils of a user, and the pupil height refers to the distance between the frame of the glasses and the pupil when the user wears the glasses. By acquiring a facial image of the user when looking at a sight mark pattern, image information of the user's eyes can be obtained, and the pupil distance and pupil height of the user can be calculated based on the image information. The frame analyzer 100 can be applied to measurements during the glasses configuration process, so as to facilitate obtaining lenses that are adapted to the user. The frame analyzer 100 can also be applied to other scenarios, and this application does not impose any restrictions on this.

[0053] Please also refer to Figure 2 and Figure 3The sight mark module 10 includes a light source module 11 and a target 13. The light source module 11 is used to emit sight mark light L1. The target 13 includes a turntable 131 and a motor 133. The turntable 131 is used to receive the sight mark light L1 and generate reflected light L2. The reflected light L2 passes through the dimming element 50 and is incident on the user's eye E. The motor 133 is connected to the turntable 131 and is used to drive the turntable 131 to rotate.

[0054] In this example, see Figure 4 The sight mark light L1 emitted by the light source module 11 projects a cross-shaped sight mark pattern A onto the turntable 131. Specifically, the cross-shaped pattern helps attract the user's attention, directing the user's gaze to the center of the cross, thereby preventing the user's gaze from wandering due to distraction, and thus preventing inaccurate pupillary distance and pupil height measurement results. In other embodiments, the sight mark pattern A can also be set to other patterns that can attract the user's attention, and this application is not limited to this.

[0055] In this embodiment, the optotype pattern A formed by the optotype light L1 projected onto the turntable 131 changes as the turntable 131 rotates. Specifically, the target 13 is configured such that when the motor 133 drives the turntable 131 to rotate, the optotype pattern A projected onto the turntable 131 appears animated in the user's eyes. That is, during the rotation of the turntable 131, the optotype pattern A is not static. For example, at one moment, the optotype pattern A is a cross, while at a second moment, a line within the optotype pattern A1 rotates and shifts, and at the next moment, the optotype pattern A becomes a cross again, thereby forming a continuously looping dynamic image. By animating the optotype pattern A as the turntable 131 rotates, the user's attention can be further attracted, preventing the user's vision from wandering due to inattention.

[0056] The movement of the sight mark pattern A can be achieved by configuring the surface of the turntable 131. Specifically, the surface of the turntable 131 can be configured as a rough or uneven surface, so that when the turntable 131 rotates, the sight mark light L1 is incident on different positions, thereby causing the sight mark pattern A seen by the user to change. The movement of the sight mark pattern A can also be achieved by configuring the connection between the turntable 131 and the motor 133. Specifically, the turntable 131 and the motor 133 can be non-rigidly connected, that is, when the motor 133 drives the turntable 131 to rotate, the surface of the turntable 131 will shake as it rotates, causing the sight mark pattern A to move as the turntable 131 shakes. The movement of the sight mark pattern A can also be achieved by modulating the sight mark light L1 emitted by the light source module 11, which is not limited in this application.

[0057] The eyeglass frame analyzer 100 provided in the embodiment of the present application sets the shape of the sight mark pattern A to be a cross, and sets the sight mark pattern A to change with the rotation of the turntable 131, so that the sight mark pattern A can better attract the user's attention, thereby improving the accuracy of measuring the pupillary distance and pupil height.

[0058] Please refer to Figure 2 The detection module 30 includes an image acquisition module 31 and an illumination element 33. Both the image acquisition module 31 and the illumination element 33 are fixed to a fixing frame 73. Specifically, the image acquisition module 31 is disposed on the inner side of the fixing frame 73, and the illumination element 33 is disposed on the outer side of the fixing frame, facing the user.

[0059] The lighting element 33 is used to provide illumination for the image acquisition module 31. Specifically, in this embodiment, the lighting element 33 may be a plurality of light-emitting diodes arranged in a row. In other embodiments, the lighting element 33 may also be a light bar, or multiple light-emitting diodes arranged in other ways, such as in multiple rows, multiple columns, or a ring, etc., which is not limited in this application.

[0060] A window 732 is formed on the fixed frame 73, and the window 732 is set corresponding to the image acquisition module 31. The sight light L1 can be emitted to the outside of the fixed frame 73 through the window 732 under the guidance of the light guide module 50, that is, the user can see the turntable 131 located inside the fixed frame 73 through the window 732.

[0061] The fixing frame 73 can also be used to support and fix other components, such as a power supply and a control module for driving the light source module 11 to emit light and the motor 133 to rotate, etc., and this application does not impose any restrictions on this.

[0062] In this embodiment, the light guiding module 50 includes a transflective element 51, a dimming element 53, and a reflective element 55. The transflective element 51 is positioned corresponding to the window 732 and is located between the window 732 and the image acquisition module 31. The transflective element 53 is used to transmit the user's facial light L3 to the image acquisition module and to reflect the sight mark light L1 toward the user's eye E. The dimming element 53 is located between the transflective element 51 and the sight mark module 10 in the optical path. The dimming element 53 is used to modulate the sight mark light L1 so that the virtual image seen by the user after receiving the sight mark light L1 is a magnified virtual image of the sight mark pattern A. The reflective element 55 is located between the dimming element 53 and the sight mark module 10 in the optical path and is used to reflect the sight mark light L1 toward the dimming element 53.

[0063] The dimming element 50 is specifically a Fresnel lens. The sight mark pattern A seen by the user through the dimming element 50 is a magnified virtual image A' located at a farther position. That is, the dimming element 50 can be regarded as a magnifying glass, which can form a virtual image of the sight mark pattern A at a farther position from the dimming element 50, thereby allowing the user's line of sight to be focused at a farther position, thereby facilitating the determination of the user's far pupil distance.

[0064] The frame analyzer 100 provided in the embodiment of the present application, by providing a semi-transparent and semi-reflective element 51, can enable the user's line of sight to face the image acquisition module 31 when observing the turntable 131, so that the image acquisition module 31 can more accurately obtain the user's facial image and further calculate the user's pupil distance / pupil height.

[0065] In other embodiments, the semi-transmissive and semi-reflective element 51 may also transmit the sight mark light L1 emitted by the sight mark module 10 and reflect the user's facial light L3 to the detection module 30 , and this application does not impose any limitation on this.

[0066] The bracket 90 includes a base 91 and a telescopic rod 93. The ends of the telescopic rod 93 are connected to the base 91 and the housing 70, respectively. The telescopic rod 93 is used to move the housing 70 relative to the base 91. Specifically, the telescopic rod 93 can adjust the distance between the housing 70 and the base 91 to accommodate users of different body shapes.

[0067] The frame analyzer 100 provided in the embodiment of the present application can project sight mark light L1 onto the target 13 by providing a sight mark module 10, thereby attracting the user's attention. By providing a detection module 30, an image of the user's face is directly obtained, and the user's pupil distance and pupil height can be calculated through the image, avoiding the use of other measurement tools. This is beneficial to preventing the user from being distracted by nearby objects, thereby reducing measurement errors and improving the efficiency and accuracy of measuring the pupil distance and pupil height.

[0068] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present application and are not intended to limit the present application. As long as they are within the spirit of the present application, appropriate changes and modifications to the above embodiments are within the scope of protection claimed in the present application.

Claims

1. A frame analyzer, characterized in that: include: The sight mark module includes a light source module and a target, wherein the light source module is used to emit sight mark light; The target includes a turntable and a motor, wherein the turntable is used to receive the sight mark light, and the motor is connected to the turntable to drive the turntable to rotate; A detection module, used to obtain an image of the user's face for calculating the user's pupil distance and / or pupil height; as well as The light guiding module is set corresponding to the sight mark module and the detection module. The light guiding module includes a semi-transmissive and semi-reflective element for guiding the sight mark light to the user's eyes and for guiding the light on the user's face to the detection module.

2. The eyeglass frame analyzer according to claim 1, wherein: The light guide module also includes a dimming element, which is arranged between the semi-transmissive and semi-reflective element and the sight mark module on the optical path. The dimming element is used to modulate the sight mark light so that the user sees an enlarged virtual image of the turntable after receiving the sight mark light.

3. The eyeglass frame analyzer according to claim 2, wherein: The light guide module further includes a reflective element, which is arranged between the sight mark module and the dimming element on the optical path and is used to reflect the sight mark light to the dimming element.

4. The eyeglass frame analyzer according to claim 1, wherein: The system further comprises a shell, wherein the sight mark module, the detection module and the light guiding module are all accommodated in the shell, and a window is provided on the shell, through which the sight mark light guided by the light guiding module can be emitted to the outside of the shell.

5. The eyeglass frame analyzer according to claim 4, wherein: The detection module includes an image acquisition module, which is arranged on one side of the semi-transparent and semi-reflective element and corresponds to the window; the light from the user's face is transmitted to the image acquisition module through the window and the semi-transparent and semi-reflective element.

6. The eyeglass frame analyzer according to claim 4, wherein: The housing includes a fixing frame and an outer shell. The fixing frame is used to fix the sight mark module, the detection module and the light guide module; the outer shell accommodates the fixing frame.

7. The eyeglass frame analyzer according to claim 6, wherein: The detection module further includes a lighting element, which is disposed on the fixing frame and is used to provide lighting to the user's face.

8. The eyeglass frame analyzer according to claim 4, wherein: A bracket is also included, and the bracket is connected to the shell to support the shell.

9. The eyeglass frame analyzer according to claim 8, wherein: The bracket includes a base and a telescopic rod, two ends of the telescopic rod are respectively connected to the base and the shell, and the telescopic rod is used to drive the shell to move relative to the base.

10. The eyeglass frame analyzer according to claim 1, wherein: The sight mark pattern formed by the sight mark light projected onto the turntable changes as the turntable rotates.

Images