Dual-platform integrated optometry device

Abstract

The present invention discloses a dual-platform integrated optometry device, which includes a front-end lens module, a transmitting component, a receiving component, a focusing component, a first driving component, a lateral movement component, a front-back movement component, a height movement component, a first platform, and a second platform installed above the first platform. The front-end lens module and the receiving component are installed on the first platform, the transmitting component is installed on the second platform, and a plurality of beam splitting components for cooperating with the optical paths of the transmitting component and the receiving component are provided on both the first platform and the second platform. By arranging the first platform and the second platform in the device and installing the transmitting component and the receiving component in layers, the internal space is reasonably arranged, the volume of the entire device is greatly reduced, and the first platform and the second platform arranged in layers are also convenient for the installation between each module and component. Moreover, the setting of multiple movement components makes the use of the optometry device more flexible and improves the examination efficiency of doctors.

Description

Technical Field

[0001] The present invention relates to the field of optical instruments, and particularly to a dual-platform integrated optometry device. Background Art

[0002] Inside an optometry device, there are usually an object image module, a human eye imaging module, a relay lens module, a laser lamp module, and a beam splitting component for controlling the change of the optical path. These key components each perform different functions and cooperate together to achieve accurate optometry results. However, since these modules and components are arranged at the same horizontal height, it greatly increases the volume of the entire device. In the examination room, the large device not only occupies more desktop area, but also is difficult to move and adjust its position due to its large shape. Summary of the Invention

[0003] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a dual-platform integrated optometry device. By setting a first platform and a second platform inside the device and installing the transmitting components and receiving components in layers, the internal space is reasonably arranged, the volume of the entire device is greatly reduced, and the first platform and the second platform arranged in layers are also convenient for the installation between each module and component.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A dual-platform integrated optometry device, including a front-end lens module, a transmitting component, a receiving component, a focusing component, a first driving component, a lateral movement component, a front-back movement component, a height movement component, a first platform, and a second platform installed above the first platform. The front-end lens module and the receiving component are installed on the first platform, the transmitting component is installed on the second platform. There are several beam splitting components for coordinating the optical paths of the transmitting component and the receiving component on both the first platform and the second platform. The lateral movement component is used to control the lateral movement of the first platform, the front-back movement component is used to control the front-back movement of the first platform, and the height movement component is used to control the height movement of the first platform.

[0005] As a further improvement of the present invention, the transmitting component includes an object image module and a laser lamp module, the receiving component includes a human eye imaging module and a relay lens module. The focusing component and the first driving component are installed on the first platform and the focusing component is arranged corresponding to the object image module. There is a notch on the second platform for the focusing component to move. The first driving component controls the focusing component to move away from or close to the object image module for focusing.

[0006] As a further improvement of the present invention, the focusing component includes a focusing lens, a connecting plate, and a first guide rail. The connecting plate is movably connected to the first guide rail, and the first guide rail is fixedly connected to the first platform. The focusing lens is mounted on the connecting plate and is arranged corresponding to the object image module. A through hole for the light path to pass through is provided at the position of the connecting plate corresponding to the object image module. The first driving component drives the connecting plate to move on the first guide rail to control the focusing lens to approach or move away from the object image module at the notch.

[0007] As a further improvement of the present invention, a slider is provided between the connecting plate and the first guide rail, and the connecting plate is fixedly connected to the slider.

[0008] As a further improvement of the present invention, a limit seat is provided on the first guide rail in the direction of the slider's movement, and this limit seat is used to limit the maximum stroke of the connecting plate.

[0009] As a further improvement of the present invention, a position sensor for detecting the maximum stroke of the focusing component is provided on the second platform. A detection plate is fixedly connected to one side of the connecting plate, and the position sensor is arranged on the second platform corresponding to the trajectory of the detection plate's movement.

[0010] As a further improvement of the present invention, the first driving component includes a first driving motor mounted on the first platform, a first lead screw mounted on the first driving motor, and a first nut seat mounted on the first lead screw. The first nut seat is fixedly connected to the connecting plate. A first through hole for the first lead screw to pass through is provided on the connecting plate. The first lead screw is driven by the first driving motor to drive the connecting plate to move on the first guide rail. A second through hole for the first lead screw to pass through is provided at the position of the connecting plate corresponding to the first lead screw.

[0011] As a further improvement of the present invention, the lateral movement component includes a first base, a first movable plate, a pair of second guide rails mounted on the first base, and a second driving component for driving the first movable plate to move on the second guide rail. The first movable plate is movably connected to the second guide rail. The second driving component includes a second driving motor mounted on the first base, a second lead screw mounted on the second driving motor, and a second nut seat mounted on the second lead screw. The nut seat is fixedly connected to the first movable plate.

[0012] As a further improvement of the present invention, the front and rear movable components include a second base mounted on the first movable plate, a second movable plate, a pair of third guide rails mounted on the second base, and a third driving component for driving the second movable plate to move on the third guide rails. The second movable plate is movably connected to the third guide rails, and the first platform is fixedly connected to the second movable plate. The third driving component includes a third driving motor mounted on the second base, a third lead screw mounted on the third driving motor, and a third nut seat mounted on the third lead screw. The third nut seat is fixedly connected to the second movable plate.

[0013] As a further improvement of the present invention, the height movable components include a frame plate and several columns mounted between the first movable plate and the second base. The second base is sleeved on the several columns and can move along the height direction of the columns. A return spring for supporting the second base is sleeved on each column. The frame plate is fixedly connected to the adjacent columns. A fourth driving component for driving the second base to move on the columns is provided on the frame plate. The fourth driving component includes a fourth driving motor, a fourth lead screw mounted on the fourth driving motor, and a fourth nut seat mounted on the fourth lead screw. The fourth nut seat is fixedly connected to the second base.

[0014] The beneficial effects of the present invention are as follows: By arranging the first platform and the second platform in the device, the transmitting component and the receiving component are installed in layers, so that the internal space is reasonably arranged, the volume of the whole device is greatly reduced, and the layered first platform and second platform are also convenient for the installation between various modules and components. In addition, the setting of multiple sets of movable components makes the use of the optometry device more flexible and improves the inspection efficiency of doctors. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention;

[0016] Figure 2 It is a schematic diagram of the structures of the first platform and the second platform of an embodiment of the present invention;

[0017] Figure 3 It is a schematic diagram of the structures of the first platform and the second platform of an embodiment of the present invention from another perspective;

[0018] Figure 4 It is a schematic diagram of hiding the second platform of an embodiment of the present invention;

[0019] Figure 5 It is a schematic diagram of the structure of the first driving component of an embodiment of the present invention;

[0020] Figure 6 It is a driving schematic diagram of the focusing component of an embodiment of the present invention;

[0021] Figure 7Schematic diagram of the lateral movement component and the front-back movement component in the embodiment of the present invention;

[0022] Figure 8 Schematic diagram of the height movement component in the embodiment of the present invention.

[0023] Reference numerals in the attached drawings: 1. First platform; 101. Position sensor; 102. Detection plate; 2. Second platform; 21. Notch; 3. Object-image module; 4. Focus adjustment component; 41. Focus adjustment lens; 42. Connecting plate; 43. First guide rail; 44. Limit seat; 5. First driving component; 51. First driving motor; 52. First lead screw; 53. First nut seat; 54. First through hole; 55. Second through hole; 6. Front-end lens module; 7. Human eye imaging module; 8. Laser lamp module; 9. Relay lens module; 10. First beam splitter; 11. Second beam splitter; 12. Third beam splitter; 13. Fourth beam splitter; 14. Fifth beam splitter; 15. First object-image eyepiece; 16. First beam splitter prism; 17. Second beam splitter prism; 18. Second object-image eyepiece; 19. Lateral movement component; 191. First base; 192. First movable plate; 193. Second guide rail; 194. Second driving component; 195. Second driving motor; 196. Second lead screw; 197. Second nut seat; 20. Front-back movement component; 201. Second base; 202. Second movable plate; 203. Third guide rail; 204. Third driving component; 205. Third driving motor; 206. Third lead screw; 207. Third nut seat; 21. Height movement component; 211. Column; 212. Return spring; 213. Fourth driving component; 214. Fourth driving motor; 215. Fourth lead screw; 216. Fourth nut seat. Detailed implementation manners

[0024] The present invention will be further described in detail below with reference to the embodiments shown in the attached drawings.

[0025] Refer to Figure 1-8As shown in the figure, a dual-platform integrated optometry device includes a front-end lens module 6, a transmitting component, a receiving component, a focusing component 4, a first driving component 5, a lateral movement component 19, a front-back movement component 20, a height movement component 21, a first platform 1, and a second platform 2 installed above the first platform 1. The front-end lens module 6 and the receiving component are installed on the first platform 1, the transmitting component is installed on the second platform 2. A number of beam splitting components for coordinating the optical paths of the transmitting component and the receiving component are provided on both the first platform 1 and the second platform 2. The lateral movement component 19 is used to control the lateral movement of the first platform 1, the front-back movement component 20 is used to control the front-back movement of the first platform 1, and the height movement component 21 is used to control the height movement of the first platform 1. The front-end lens module 6 is arranged at the front end of the first platform 1 and is used to correspond to the eyes of the person to be detected. The light emitted by the transmitting component reaches the front-end lens module 6 through the beam splitting component and then to the eyes of the person to be detected. The eye information obtained by the front-end lens module 6 is reflected to the beam splitting component to reach the receiving component. By setting the first platform 1 and the second platform 2 in the device and installing the transmitting component and the receiving component in layers, the internal space is reasonably arranged, the volume of the whole device is greatly reduced, and the layered first platform 1 and second platform 2 are also convenient for the installation between various modules and components.

[0026] The transmitting component includes an object image module 3 and a laser lamp module 8. The receiving component includes a human eye imaging module 7 and a relay lens module 9. The focusing component 4 and the first driving component 5 are installed on the first platform 1 and the focusing component 4 is arranged corresponding to the object image module 3. A notch 21 for the movement of the focusing component 4 is provided on the second platform 2. The first driving component 5 controls the focusing component 4 to move away from or close to the object image module 3 for focusing. The human eye imaging module 7 is used to obtain eye image information, the relay lens module 9 is used to measure the refractive power of the eyes, the laser lamp module 8 is used to emit light, and the object image module 3 is used to emit light to form a picture image for the person to be detected to observe.

[0027] As attached Figure 2-3As shown, the beam splitting component includes a first beam splitting lens 10, a second beam splitting lens 11, a third beam splitting lens 12, a fourth beam splitting lens 13, a fifth beam splitting lens 14, a first beam splitting prism 16, and a second beam splitting prism 17. The first beam splitting lens 10 and the second beam splitting lens 11 are both mounted on the first platform 1 and respectively cooperate with the relay lens module 9 and the human eye imaging module 7. A first objective eyepiece 15 is provided between the first beam splitting lens 10 and the second beam splitting lens 11. The third beam splitting lens 12 and the fourth beam splitting lens 13 are mounted on the second platform 2, and the third beam splitting lens 12 cooperates with the object image module 3. The fifth beam splitting lens 14 is mounted on the first platform 1 and is directly below the fourth beam splitting lens 13. A second objective eyepiece 18 is provided between the third beam splitting lens 12 and the fourth beam splitting lens 13. The first beam splitting prism 16 is mounted on the second platform 2 and corresponds to the position of the laser emission component. The second beam splitting prism 17 is mounted on the first platform 1 and corresponds to the position of the first beam splitting prism 16. An opening is provided on the second platform 2 for the first beam splitting prism 16 to reflect light to the second beam splitting prism 17. Refer to Figure 4 , in this embodiment, the front end lens module 6, the first beam splitting lens 10, the second beam splitting prism 17, and the relay lens module 9 are correspondingly arranged. Such an arrangement makes the internal structure compact and facilitates the layout of the optical path.

[0028] The object image module 3 emits light, which passes through the third beam splitting lens 12, the second objective eyepiece 18, the fourth beam splitting lens 13, the fifth beam splitting lens 14, the second beam splitting lens 11, the first objective eyepiece 15, and the first beam splitting lens 10 to reach the front end lens module 6; the laser lamp module 8 emits light, which passes through the first beam splitting prism 16, the second beam splitting prism 17, and the first beam splitting lens 10 to reach the front end lens module 6; the front end lens module 6 reflects the obtained eye information to the first beam splitting lens 10 and the second beam splitting prism 17 to reach the relay lens module 9; the front end lens module 6 reflects the obtained eye information to the first beam splitting lens 10, the first objective eyepiece 15, and the second beam splitting lens 11 to reach the human eye imaging module 7.

[0029] A position sensor 101 for detecting the maximum stroke of the focusing component 4 is provided on the second platform 2. The position sensor 101 is provided to prevent the focusing component 4 from exceeding the stroke and causing mechanical collision or damage. The focusing component 4 includes a focusing lens 41, a connecting plate 42, and a first guide rail 43. The connecting plate 42 is movably connected to the first guide rail 43. The first guide rail 43 is fixedly connected to the first platform 1. The focusing lens 41 is mounted on the connecting plate 42 and is arranged corresponding to the object image module 3. A through hole for the light path to pass through is provided at the position of the connecting plate 42 corresponding to the object image module 3. The light path emitted by the object image module 3 can enter the focusing lens 41 through the through hole. The first driving component 5 drives the connecting plate 42 to move on the first guide rail 43 to control the focusing lens 41 to approach or move away from the object image module 3 at the notch 21. The first guide rail 43 mounted on the first platform 1 enables the focusing lens 41 to move linearly along the first guide rail 43, avoiding deviation or shaking during the movement. To facilitate adjusting the installation height of the first guide rail 43, a cushion block is provided between the first guide rail 43 and the first platform 1. In this embodiment, the notch 21 is semi-open, providing sufficient movement range for the focusing component 4 and also reducing the redundancy of the internal space. In other embodiments, the notch 21 can be in the shape of a through hole, and the inner wall surface of the through hole further guides the connecting plate 42.

[0030] A slider is provided between the connecting plate 42 and the first guide rail 43. The connecting plate 42 is fixedly connected to the slider. By cooperating with the first guide rail 43 through the slider, the installation of the connecting plate 42 is more convenient. A detection plate 102 is fixedly connected to one side of the connecting plate 42. The position sensor 101 is arranged on the trajectory of the second platform 2 corresponding to the movement of the detection plate 102. In this embodiment, the position sensor 101 is fixedly connected to the second platform 2 by bolts. A threaded seat is provided between the position sensor 101 and the second platform 2. The threaded seat is provided to adjust the height of the position sensor 101 so that the position sensor 101 and the detection plate 102 can be fully cooperated. The first guide rail 43 is provided with a limit seat 44 in the direction of the movement of the slider. The limit seat 44 is used to limit the maximum stroke of the connecting plate 42.

[0031] The first driving component 5 includes a first driving motor 51 mounted on the first platform 1, a first lead screw 52 mounted on the first driving motor 51, and a first nut block 53 mounted on the first lead screw 52. The first nut block 53 is fixedly connected to the connecting plate 42. A first through hole 54 for the first lead screw 52 to pass through is provided on the connecting plate 42. The first lead screw 52 is driven by the first driving motor 51 to drive the connecting plate 42 to move on the first guide rail 43. A second through hole 55 for the first lead screw 52 to pass through is provided at the position of the connecting plate 42 corresponding to the first lead screw 52. The provision of the second through hole 55 enables the installation length of the first lead screw 52 to be increased, thereby increasing the moving stroke of the connecting plate 42 on the first guide rail 43. In this embodiment, the first driving component 5 is installed directly below the object-image module 3, and the first driving motor 51 is mounted on the first platform 1 through a motor mounting bracket, so that the first lead screw 52, the first through hole 54, and the second through hole 55 are on the same axis.

[0032] The lateral moving component 19 includes a first base 191, a first moving plate 192, second guide rails 193 mounted in pairs on the first base 191, and a second driving component 194 for driving the first moving plate 192 to move on the second guide rails 193. The first moving plate 192 is movably connected to the second guide rails 193. The second driving component 194 includes a second driving motor 195 mounted on the first base 191, a second lead screw 196 mounted on the second driving motor 195, and a second nut block 197 mounted on the second lead screw 196. The nut block is fixedly connected to the first moving plate 192. The second lead screw 196 is driven by the second driving motor 195, so that the second nut block 197 can drive the first moving plate 192 to move in the lateral direction on the second guide rails 193. In this embodiment, a slider is provided between the first moving plate 192 and the second guide rails 193, and the first moving plate 192 is movably engaged with the second guide rails 193 through the slider.

[0033] The front and rear movable component 20 includes a second base 201 mounted on the first movable plate 192, a second movable plate 202, a pair of third guide rails 203 mounted on the second base 201, and a third driving component 204 for driving the second movable plate 202 to move on the third guide rails 203. The second movable plate 202 is movably connected to the third guide rails 203, and the first platform 1 is fixedly connected to the second movable plate 202. The third driving component 204 includes a third driving motor 205 mounted on the second base 201, a third lead screw 206 mounted on the third driving motor 205, and a third nut seat 207 mounted on the third lead screw 206. The third nut seat 207 is fixedly connected to the second movable plate 202. The second base 201 is mounted on the first movable plate 192 and can move along with the first movable plate 192. The third lead screw 206 is driven by the third driving motor 205, so that the third nut seat 207 can drive the second movable plate 202 to move in the front and rear directions on the third guide rails 203. In this embodiment, a slider is provided between the second movable plate 202 and the third guide rails 203, and the second movable plate 202 is movably engaged with the third guide rails 203 through the slider.

[0034] The height movable component 21 includes a frame plate and a plurality of columns 211 mounted between the first movable plate 192 and the second base 201. The second base 201 is sleeved on the plurality of columns 211 and can move along the height direction of the columns 211. A return spring 212 for supporting the second base 201 is sleeved on each of the columns 211. The columns 211 are fixedly connected to the first movable plate 192. The frame plate is fixedly connected to adjacent columns 211. A fourth driving component 213 for driving the second base 201 to move on the columns 211 is provided on the frame plate. The fourth driving component 213 includes a fourth driving motor 214, a fourth lead screw 215 mounted on the fourth driving motor 214, and a fourth nut seat 216 mounted on the fourth lead screw 215. The fourth nut seat 216 is fixedly connected to the second base 201. The frame plate is mounted on the columns 211 as a support for the fourth driving component 213 and also limits the upward movement height of the second base 201. In other embodiments, a flange can be provided on the columns 211 to prevent the base from being ejected by the return spring 212 and falling out of the columns 211, so that the fourth driving component 213 can be reliably mounted on the frame plate. The fourth lead screw 215 is driven by the fourth driving motor 214, so that the fourth nut seat 216 can drive the second base 201 to move in the height direction on the columns 211. The return spring 212 sleeved on the columns 211 enables the second base 201 to move smoothly during movement or reset.

[0035] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the concept of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A dual-platform integrated optometry device, characterized in that, It includes a front-end lens module, a transmitting component, a receiving component, a focusing component, a first driving component, a lateral moving component, a front-back moving component, a height moving component, a first platform, and a second platform installed above the first platform. The front-end lens module and the receiving component are installed on the first platform, the transmitting component is installed on the second platform. There are several beam splitting components on both the first platform and the second platform for coordinating the optical paths of the transmitting component and the receiving component. The lateral moving component is used to control the lateral movement of the first platform, the front-back moving component is used to control the front-back movement of the first platform, and the height moving component is used to control the height movement of the first platform. The transmitting component includes an object image module and a laser lamp module, the receiving component includes a human eye imaging module and a relay lens module. The focusing component and the first driving component are installed on the first platform and the focusing component is arranged corresponding to the object image module. There is a notch on the second platform for the focusing component to move. The first driving component controls the focusing component to move away from or close to the object image module for focusing. The focusing component includes a focusing lens, a connecting plate, and a first guide rail. The connecting plate is movably connected to the first guide rail, the first guide rail is fixedly connected to the first platform, the focusing lens is installed on the connecting plate and arranged corresponding to the object image module. There is a through hole for the optical path at the position of the connecting plate corresponding to the object image module. The first driving component drives the connecting plate to move on the first guide rail to control the focusing lens to move close to or away from the object image module at the notch.

2. The dual-platform integrated optometry device according to claim 1, wherein A slider is provided between the connecting plate and the first guide rail, and the connecting plate is fixedly connected to the slider.

3. The dual-platform integrated optometry device according to claim 2, characterized in that, The first guide rail is provided with a limit seat in the direction of the slider's movement, and this limit seat is used to limit the maximum stroke of the connecting plate.

4. The dual-platform integrated optometry device according to claim 1 or 2, characterized in that, A position sensor for detecting the maximum stroke of the focusing component is provided on the second platform. A detection plate is fixedly connected to one side of the connecting plate, and the position sensor is arranged on the second platform corresponding to the movement track of the detection plate.

5. The dual-platform integrated optometry device according to claim 1 or 2, characterized in that, The first driving component includes a first driving motor installed on the first platform, a first lead screw installed on the first driving motor, and a first nut seat installed on the first lead screw. The first nut seat is fixedly connected to the connecting plate. There is a first through hole on the connecting plate for the first lead screw to pass through. The first lead screw is driven by the first driving motor to drive the connecting plate to move on the first guide rail. There is a second through hole on the connecting plate corresponding to the first lead screw for the first lead screw to pass through.

6. The dual-platform integrated optometry device according to claim 1, wherein The lateral moving component includes a first base, a first moving plate, a pair of second guide rails installed on the first base, and a second driving component for driving the first moving plate to move on the second guide rails. The first moving plate is movably connected to the second guide rails. The second driving component includes a second driving motor installed on the first base, a second lead screw installed on the second driving motor, and a second nut seat installed on the second lead screw. The nut seat is fixedly connected to the first moving plate.

7. The dual-platform integrated optometry device according to claim 6, characterized in that, The front and rear movable component includes a second base mounted on the first movable plate, a second movable plate, a pair of third guide rails mounted on the second base, and a third driving component for driving the second movable plate to move on the third guide rails. The second movable plate is movably connected to the third guide rails, and the first platform is fixedly connected to the second movable plate. The third driving component includes a third driving motor mounted on the second base, a third lead screw mounted on the third driving motor, and a third nut block mounted on the third lead screw. The third nut block is fixedly connected to the second movable plate.

8. The dual-platform integrated optometry device according to claim 7, characterized in that, The height movable component includes a frame plate and a plurality of columns mounted between the first movable plate and the second base. The second base is sleeved on the plurality of columns and can move along the height direction of the columns. A return spring for supporting the second base is sleeved on each column. The frame plate is fixedly connected to adjacent columns. A fourth driving component for driving the second base to move on the columns is provided on the frame plate. The fourth driving component includes a fourth driving motor, a fourth lead screw mounted on the fourth driving motor, and a fourth nut block mounted on the fourth lead screw. The fourth nut block is fixedly connected to the second base.

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