Image acquisition module and inspection apparatus

Abstract

The utility model belongs to the technical field of medical instruments, and discloses an image acquisition module and an inspection device. Wherein the image acquisition module comprises a light source assembly, a light insulation assembly and an image acquisition assembly, the light source assembly comprises a light source circuit board and a plurality of light-emitting devices, and the light-emitting devices are arranged on the light source circuit board; the light insulation assembly is arranged on the light emitting side of the light source assembly and can separate light emitted by the multiple light emitting devices. The image acquisition assembly is configured to acquire an image of the light emitting side of the light source assembly. According to the image acquisition module disclosed by the utility model, the light rays emitted by the plurality of light-emitting devices are separated through the light isolation assembly, so that mutual interference of emission angles or wavelengths of the plurality of light-emitting devices is avoided, and in the physical examination process of a doctor, the examined tissue is effectively illuminated, clear images with real colors are acquired, and the accuracy of an examination result is improved; the light insulation assembly can also block heat transfer between the adjacent light emitting devices, so that the service life of the light source assembly is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to an image acquisition module and inspection device. BACKGROUND

[0002] In the medical field, the inspection device with the image acquisition module is used to examine the area that is difficult to observe directly by naked eyes, such as digestive tract, respiratory tract, urinary system and other parts.

[0003] However, the image acquisition module in the prior art can provide a plurality of different light sources for a preset position to ensure the accuracy and comprehensiveness of the examination result by combining a plurality of light sources in the examination process, for example, by using two different light sources at the same time to enhance the visualization of the tissue, but the current plurality of light sources will produce different degrees of interference when working, resulting in poor lighting effect, thereby affecting the accuracy of the examination result. SUMMARY

[0004] The utility model aims at providing an image acquisition module and an inspection device to avoid the interference between multiple light sources and improve the accuracy of the examination result.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The image acquisition module comprises:

[0007] A light source assembly comprising a light source circuit board and a plurality of light emitting devices, the plurality of light emitting devices being arranged on the light source circuit board;

[0008] A light blocking assembly arranged on the light emitting side of the light source assembly, the light blocking assembly being capable of separating the light emitted by the plurality of light emitting devices; and

[0009] An image acquisition assembly configured to acquire an image of the light emitting side of the light source assembly.

[0010] Preferably, the light blocking assembly comprises:

[0011] A plurality of first light blocking strips arranged at intervals; and

[0012] At least one second light blocking strip arranged transversely to the first light blocking strips to separate a plurality of separation cavities on the light emitting side of the light source assembly, the plurality of separation cavities and the plurality of light emitting devices being arranged one-to-one.

[0013] Preferably, the length direction of the second light blocking strip is arranged perpendicularly to the length direction of the first light blocking strip.

[0014] As preferred, the light emitted by the plurality of light emitting devices comprises at least one of white light, green light, violet light, infrared light and ultraviolet light.

[0015] As preferred, the image acquisition component comprises:

[0016] A positioning support is arranged on the side of the light source component away from the light isolation component, and

[0017] A camera is arranged on the positioning support, and the camera is capable of acquiring images of the light emitting side of the light source component.

[0018] As preferred, the image acquisition module further comprises:

[0019] A circuit board is electrically connected to the light source circuit board and the image acquisition component.

[0020] The inspection device comprises a housing and an image acquisition module, the housing has a receiving cavity, the image acquisition module is arranged inside the receiving cavity and connected to the housing, and a perspective port is arranged on the housing corresponding to the image acquisition module.

[0021] As preferred, the light isolation component is connected to the housing.

[0022] As preferred, a plurality of limiting columns are arranged inside the receiving cavity, and the limiting columns are used to limit the movement of the light source circuit board.

[0023] As preferred, a notch is arranged on the light source circuit board corresponding to the position of the limiting column, and the limiting column is at least partially arranged in the notch.

[0024] The present application has the following beneficial effects:

[0025] The image acquisition module of the present application arranges the light isolation component on the light emitting side of the light source component, separates the light emitted by the plurality of light emitting devices through the light isolation component, and thus isolates the scattered light of each light emitting device from affecting other light emitting devices. Firstly, the mutual interference of the emission angles or wavelengths of the plurality of light emitting devices is avoided, so as to prevent the formation of local glare on the light emitting side of the light source component and other adverse effects, so as to effectively illuminate the inspected tissue and acquire clear and color-realistic images during the physical examination of the doctor, and the accuracy of the inspection results is improved. In addition, the light isolation component capable of isolating light can also block the heat transfer between adjacent light emitting devices, so as to avoid the overheating of a certain light emitting device from affecting the normal work of other light emitting devices, and thus prolong the service life of the light source component. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 FIG. 1 is a structural schematic diagram of the inspection device of the present application;

[0027] Figure 2 is an explosion view of the inspection device of the utility model;

[0028] Figure 3 is a structural schematic view of the main perspective port, the sub-perspective port and the light isolation assembly of the utility model;

[0029] Figure 4 is a structural schematic view of the light source assembly of the utility model.

[0030] In the drawings:

[0031] 1, light source assembly; 11, light source circuit board; 111, notch; 112, branch; 12, light emitting device; 2, light isolation assembly; 21, first light isolation strip; 22, second light isolation strip; 23, separation cavity; 3, image acquisition assembly; 31, positioning support; 4, circuit board; 5, shell; 51, accommodating cavity; 511, limiting column; 52, main perspective port; 53, sub-perspective port; 54, perspective lens. DETAILED DESCRIPTION

[0032] The utility model will be further explained in detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all the structures.

[0033] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.

[0036] Reference will now be made to Figures 1 to 4 The image acquisition module and the examination device provided by the present application will be described.

[0037] Reference will now be made to Figure 1 and Figure 2 The examination device comprises a housing 5 and an image acquisition module, the housing 5 has a receiving cavity 51, and the image acquisition module is placed inside the receiving cavity 51 and connected with the housing 5. A perspective port is provided on the housing 5 corresponding to the position of the image acquisition module, so that the image acquisition module can illuminate the human tissue through the perspective port and acquire images.

[0038] Further, a perspective lens 54 is connected at the perspective port, which seals the perspective port through the perspective lens 54, improving the waterproofness of the housing 5 while not affecting the image clarity.

[0039] The image acquisition module is intended to effectively illuminate the examined tissue and acquire clear and color-realistic images during the physical examination of the doctor, thereby improving the accuracy of the examination results. The exemplary structure of the image acquisition module is described below.

[0040] Reference will now be made to Figure 2 and Figure 3 The image acquisition module comprises a light source assembly 1, a light shielding assembly 2, an image acquisition assembly 3, and a circuit board 4. The light source assembly 1 comprises a light source circuit board 11 and a plurality of light emitting devices 12, the plurality of light emitting devices 12 are arranged on the light source circuit board 11, and the light emitting devices 12 can illuminate the preset position through the perspective port. The light shielding assembly 2 is arranged on the light emitting side of the light source assembly 1, and the light shielding assembly 2 can separate the light emitted by the plurality of light emitting devices 12; the image acquisition assembly 3 is configured to acquire images of the light emitting side of the light source assembly 1, the circuit board 4 is connected to the housing 5, and the light source circuit board 11 and the image acquisition assembly 3 are electrically connected to the circuit board 4.

[0041] As described above, the light shielding assembly 2 separates the light emitted by the plurality of light emitting devices 12 to isolate the scattered light of each light emitting device 12 acting on other light emitting devices 12, which can avoid mutual interference of the emission angles or wavelengths of the plurality of light emitting devices 12, so that the light source assembly 1 achieves a better lighting effect, thereby being able to acquire clear and color-realistic images of the human tissue during the physical examination of the doctor, and achieving the effect of improving the accuracy of the examination results.

[0042] With reference to Figure 3 In the embodiment, the perspective opening is provided with a plurality of perspective openings, one of which is a main perspective opening 52 for the image acquisition assembly 3 to acquire images, and the remaining perspective openings are sub-perspective openings 53, which are distributed on the opposite sides of the main perspective opening 52 and correspond to each light emitting device 12 to illuminate the human tissue with light passing through the sub-perspective openings 53. Of course, in other embodiments, only one larger perspective opening can be provided.

[0043] With reference to Figure 2 and Figure 4 Further, one end of the light source circuit board 11 extends to the main perspective opening 52 and has two branches 112, and the other end of the light source circuit board 11 is electrically connected to the circuit board 4 through a connecting end, so that the light source circuit board 11 is roughly Y-shaped. Among them, the two branches 112 of the light source circuit board 11 extend to the two sides of the main perspective opening 52, and cover all the sub-perspective openings 53.

[0044] In order to limit the light source circuit board 11, a plurality of limiting columns 511 are connected in the inside of the accommodating cavity 51, two of which are taken as an example in the embodiment, and the two limiting columns 511 are located on the opposite sides of the two branches 112, respectively, and the light source circuit board 11 is provided with a notch 111 corresponding to the position of the limiting column 511, and the limiting column 511 is partially placed in the notch 111, so as to physically limit the light source circuit board 11 through the cooperation of the limiting column 511 and the notch 111, to prevent the light source circuit board 11 from moving inside the accommodating cavity 51, and to improve the working stability of the light source circuit board 11. Of course, in other embodiments, a larger number of limiting columns 511 can also be provided, and whether to provide a notch 111 can be determined according to actual needs, and the specific form is not limited as long as the light source circuit board 11 can be effectively limited.

[0045] Exemplarily, the light emitting device 12 in the embodiment is provided with four, and the four light emitting devices 12 are evenly distributed on the two branches 112, that is, the sub-perspective openings 53 in the embodiment are also provided with four, and the four light emitting devices 12 and the four sub-perspective openings 53 are one-to-one correspondingly arranged.

[0046] Optionally, the light emitted by the plurality of light emitting devices 12 includes at least one of white light, green light, violet light, infrared light and ultraviolet light. In the embodiment, one of the light emitting devices 12 is an ultraviolet light bead, two of the light emitting devices 12 are white light beads, and the remaining one of the light emitting devices 12 is an RGB light bead.

[0047] With reference to Figure 3Exemplarily, the light isolation assembly 2 comprises a first light isolation strip 21 and a second light isolation strip 22, both of which are made of non-transparent material, the first light isolation strip 21 is provided with a plurality of first light isolation strips 21, and the second light isolation strip 22 is provided with at least one second light isolation strip 22. The second light isolation strip 22 is arranged in cross with the first light isolation strip 21, so that the first light isolation strip 21 and the second light isolation strip 22 are combined into a mesh structure to divide a plurality of divided cavities 23 on the light emitting side of the light source assembly 1. The light source circuit board 11 abuts against the light isolation assembly 2, and the plurality of divided cavities 23 and the plurality of light emitting devices 12 are arranged one by one. Optionally, in other embodiments, the light isolation assembly 2 can also be a plurality of independent divided covers.

[0048] According to the above, a separate divided cavity 23 is arranged for each light emitting device 12, so as to isolate the scattered light of each light emitting device 12 acting on other light emitting devices 12, prevent the mutual interference of the emission angle or wavelength of the plurality of light emitting devices 12, and finally improve the lighting effect of the light source assembly 1. In addition, the divided cavity 23 can also block the heat transfer between adjacent light emitting devices 12, avoid affecting the normal work of other light emitting devices 12 due to overheating of a light emitting device 12, and thus prolong the service life of the light source assembly 1.

[0049] Specifically in this embodiment, the divided cavity 23 in this embodiment has four, and two are arranged on opposite sides of the main perspective port 52. The first light isolation strip 21 is provided with four first light isolation strips 21, and two are arranged on opposite sides of the main perspective port 52. The first light isolation strip 21 is provided with two first light isolation strips 21, and is disconnected corresponding to the position of the main perspective port 52. In addition, the side edge of the housing 5 close to the divided perspective port 53 also serves as the second light isolation strip 22. Finally, two independent divided cavities 23 are divided on opposite sides of the main perspective port 52, i.e. the total number of divided cavities 23 is four, and the four divided cavities 23 and the four light emitting devices 12 are arranged one by one. The four independent divided cavities 23 realize the division of the four light emitting devices 12.

[0050] Optionally, in some other embodiments, the specific number, separation distance and arrangement position of the first light isolation strip 21 and the second light isolation strip 22 can be adaptively adjusted according to the actual application scene, as long as an independent divided cavity 23 is divided for each light emitting device 12. For example, if there is only one light emitting device 12 on the opposite side of the main perspective port 52, the second light isolation strip 22 can be provided with only one second light isolation strip 22.

[0051] Further, the first light isolation strip 21 and the second light isolation strip 22 in the embodiment are both arranged in a straight line, that is, the side edges along the length directions of the first light isolation strip 21 and the second light isolation strip 22 are straight lines, and the length direction of the second light isolation strip 22 is arranged perpendicularly to the length direction of the first light isolation strip 21, so that the first light isolation strip 21 and the second light isolation strip 22 are divided into square divided cavities 23, which are convenient for production and have better anti-deformation capability and are not easy to be twisted or collapsed under stress and maintain overall rigidity. Alternatively, in other embodiments, the first light isolation strip 21 and the second light isolation strip 22 can also be arranged in an arc line or a curve, which can be adapted according to actual application scenarios.

[0052] As preferred, the first light isolation strip 21 and the second light isolation strip 22 are integrally formed with the shell 5, so as to ensure the connection strength of the light isolation assembly 2 and the shell 5, which not only improves the convenience of production, but also improves the stability of the light isolation assembly 2. Alternatively, in other embodiments, the first light isolation strip 21 and the second light isolation strip 22 can also be fixedly connected with the shell 5.

[0053] The image acquisition assembly 3 includes a positioning bracket 31 and a camera (not shown in the figure), and the positioning bracket 31 is arranged on the side of the light source assembly 1 away from the light isolation assembly 2 and is connected to the inner wall of the shell 5. The camera is connected to the positioning bracket 31 and is electrically connected to the circuit board 4 through wires, and the camera is arranged towards the main perspective port 52, so as to acquire the image of the light-emitting side of the light source assembly 1 through the camera. In the process of medical examination, the human tissue is effectively illuminated by the light source assembly 1, and different light emitting devices 12 are controlled to be synchronously or independently illuminated according to needs, so as to achieve the best illumination effect, and then a clear and color-realistic image of the human tissue can be acquired through the camera, so as to improve the accuracy of the examination result.

[0054] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is unnecessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. An image acquisition module, characterized in that, The image acquisition module comprises: A light source assembly (1) comprising a light source circuit board (11) and a plurality of light emitting devices (12), the plurality of light emitting devices (12) being arranged on the light source circuit board (11); A light isolation assembly (2) arranged on the light emitting side of the light source assembly (1), the light isolation assembly (2) being capable of separating the light emitted by the plurality of light emitting devices (12); and An image acquisition assembly (3) configured to acquire an image of the light emitting side of the light source assembly (1).

2. The image acquisition module of claim 1, wherein, The light isolation assembly (2) comprises: A plurality of first light isolation strips (21) arranged at intervals; and At least one second light isolation strip (22) arranged transversely to the first light isolation strips (21) to separate a plurality of separation cavities (23) on the light emitting side of the light source assembly (1), the plurality of separation cavities (23) and the plurality of light emitting devices (12) being arranged one-to-one.

3. The image acquisition module of claim 2, wherein, The length direction of the second light isolation strip (22) is arranged perpendicularly to the length direction of the first light isolation strip (21).

4. The image acquisition module of claim 1, wherein, The light emitted by the plurality of light emitting devices (12) comprises at least one of white light, green light, violet light, infrared light and ultraviolet light.

5. The image acquisition module of claim 1, wherein, The image acquisition assembly (3) comprises: A positioning bracket (31) arranged on the side of the light source assembly (1) away from the light isolation assembly (2); and A camera arranged on the positioning bracket (31), the camera being capable of acquiring an image of the light emitting side of the light source assembly (1).

6. The image acquisition module of claim 1, wherein, The image acquisition module further comprises: A circuit board (4) electrically connected to the light source circuit board (11) and the image acquisition assembly (3).

7. Inspection device comprising a housing (5) having a receiving cavity (51), characterized in that Further comprising the image acquisition module according to any one of claims 1-6, the image acquisition module being arranged inside the accommodating cavity (51) and connected to the shell (5), a perspective opening being arranged on the shell (5) corresponding to the image acquisition module.

8. The inspection apparatus of claim 7, wherein, The light isolation assembly (2) is connected to the shell (5).

9. The inspection apparatus of claim 7, wherein, A plurality of limiting columns (511) are arranged inside the accommodating cavity (51), the limiting columns (511) being used to limit the movement of the light source circuit board (11).

10. The inspection apparatus of claim 9, wherein, The light source circuit board (11) is provided with a notch (111) corresponding to the position of the limiting column (511), and the limiting column (511) is at least partially arranged in the notch (111).

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