OCT (Optical Coherence Tomography) imaging engine machine
By integrating optical imaging modules and computer processing modules in OCT equipment and optimizing the heat dissipation system, the problems of large size and poor portability of the equipment are solved, compact and efficient equipment design is achieved, and convenience and expansion are improved.
Patent Information
- Application Number
- CN202323027628.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-09
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-11-09
AI Technical Summary
The existing OCT equipment is large during transportation and use, lacks convenience and flexibility, and is difficult to meet the portability requirements of clinical needs.
An OCT imaging engine was designed. By integrating the optical imaging module and computer processing module on both sides of the middle plate of the chassis, and optimizing the heat dissipation system, using a suction fan and a heat dissipation hole to form a forward heat dissipation path, and using an optical fiber trace board Fix optical fibers to reduce disturbances, ensuring that the device maintains efficient heat dissipation in a compact structure.
It significantly reduces the size of the equipment, ensures the heat dissipation effect of the optical imaging module and the computer processing module during operation, improves the convenience and expansion of the equipment, and has the characteristics of simple structure, compactness and easy installation.
Smart Images

Figure CN222194981U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of OCT equipment, and in particular relates to an OCT imaging engine. Background Art
[0002] At present, optical coherence tomography (OCT) equipment is in an emerging development stage in China. Many scholars and medical staff need to transport the equipment from one hospital to another for demonstration and teaching. In addition, according to clinical needs, medical staff need to transport the OCT equipment to the operating room when using it. For this reason, in the process of developing such equipment, the equipment needs to meet certain convenience and flexibility. This puts forward requirements for the convenience and lightness of the equipment. During the development of the equipment, the volume needs to be reduced as much as possible.
[0003] At present, the basic configuration of existing OCT equipment is: an image processing device and a computer. The two parts operate independently and realize communication between interfaces. This configuration can meet the functional requirements, but there are still certain limitations in terms of product convenience, and there is still room for improvement. Therefore, it is necessary to improve the OCT imaging engine. Summary of the invention
[0004] The utility model provides an OCT imaging engine machine to solve the technical problems existing in the known technology, which has the characteristics of simple and compact structure and convenient installation.
[0005] The utility model includes the following technical solutions: an OCT imaging engine, comprising an optical imaging module, a computer processing module and a chassis; the optical imaging module comprises a swept frequency light source, a delay line, an interferometer, a balanced detector, a polarization module, a circuit main board and an optical fiber; the computer processing module comprises an industrial control main board, a CPU, a solid state hard disk, a mechanical hard disk, a memory stick, a graphics card, a data acquisition card and a medical power supply; the chassis comprises a chassis body, a chassis middle plate and a cover plate, the chassis middle plate is vertically riveted to the middle of the chassis body and is divided into two parts, and the cover plate is installed on the outside of the chassis body; the optical imaging module is installed on one side of the chassis middle plate, and the computer processing module is installed on the other side; the swept frequency light source is installed on one side of the chassis middle plate, a suction fan is arranged on the front of the chassis body facing the swept frequency light source, and a heat dissipation hole is arranged on the back of the chassis body facing the swept frequency light source, so as to ensure that the heat dissipation hole, the swept frequency light source and the suction fan form a positive heat dissipation path, and the heat of the light source is discharged in time; the industrial control main board is installed on the other side of the chassis middle plate, and the front and rear of the chassis body on this side are both provided with a heat dissipation fan.
[0006] Furthermore, a fiber optic routing board is installed on the bottom surface of the chassis body below the swept-frequency light source and on the middle plate of the chassis near the swept-frequency light source. The fiber optic routing board is provided with routing grooves and pressure plates, both of which can fix the optical fiber on the fiber optic routing board to avoid the influence of optical fiber disturbance on optical fiber signal transmission.
[0007] Furthermore, the delay line is connected to the delay line bracket, and the delay line bracket is connected to the chassis middle plate; the interferometer and the balanced detector are connected to the common bracket, and the common bracket is connected to the chassis middle plate; the polarization module is connected to the chassis middle plate through the rubber pier; and the circuit main board is installed on the chassis middle plate.
[0008] Furthermore, a polarization module and a circuit main board are sequentially arranged on the middle board of the chassis next to the frequency-sweeping light source, and the circuit main board is close to the front of the chassis body, that is, close to the suction fan.
[0009] Furthermore, the number of the suction fans is preferably two.
[0010] Furthermore, the CPU, solid-state hard disk, memory stick, graphics card and data acquisition card are all installed in the corresponding card slots of the industrial control mainboard; the mechanical hard disk is connected to the hard disk bracket, and the hard disk bracket is connected to the middle plate of the chassis; the medical power supply is installed at the bottom of the chassis body. The CPU's dedicated cooling fan is also installed on the industrial control mainboard.
[0011] Furthermore, the heat dissipation fan includes a front heat dissipation fan that blows air outwards and a rear heat dissipation fan that blows air inwards.
[0012] Furthermore, a front cooling fan is arranged at the front of the chassis body near the CPU, and a rear cooling fan is arranged at the rear of the chassis body facing the graphics card and the data acquisition card to ensure that the internal heat can be discharged out of the chassis in time when the computer processing module is running.
[0013] Furthermore, the diameter of the rear cooling fan is greater than the diameter of the front cooling fan, and the rear cooling fan is arranged obliquely below the front cooling fan to facilitate smooth discharge of hot air in the chassis.
[0014] Furthermore, the cover plate includes a light engine side cover plate and a host side cover plate, both of which can be detachably mounted on the chassis body.
[0015] Furthermore, the light engine side cover is installed on one side of the optical imaging module, and the host side cover is installed on one side of the computer processing module.
[0016] The utility model has the following advantages and positive effects:
[0017] 1. The utility model integrates two modules (optical imaging module and computer processing module) in the OCT product and installs the two modules on both sides of the middle plate of the chassis respectively, thereby significantly reducing the volume of the product.
[0018] 2. The utility model redesigns the heat dissipation system according to the distribution of components after integrated installation, thereby ensuring that the optical imaging module and the computer processing module will not overheat when working in the chassis.
[0019] 3. The utility model has the characteristics of simple and compact structure and easy installation, making the product more expandable and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;
[0021] Figure 2 is a stereoscopic diagram of the installation state of the optical imaging module;
[0022] Figure 3 is a plan view of the installation status of the optical imaging module;
[0023] Figure 4 It is a three-dimensional diagram of the installation state of the computer processing module;
[0024] In the figure, 1-optical engine side cover; 2-host side cover; 3-chassis body; 4-sweep frequency light source; 5-chassis middle plate; 6-delay line; 7-delay line bracket; 8-interferometer; 9-balanced detector; 10-common bracket; 11-polarization module; 12-circuit main board; 13-air suction fan;
[0025] 14-industrial control motherboard; 15-graphics card; 16-data acquisition card; 17-mechanical hard disk; 18-hard disk bracket; 19-rear cooling fan; 20-front cooling fan; 21-medical power supply; 22-optical fiber routing board; 23-CPU; 24-solid state hard disk; 25-memory bar; DETAILED DESCRIPTION
[0026] In order to further disclose the content, features and effects of the invention of the utility model, the following examples are specifically cited and described in detail in conjunction with the accompanying drawings. In the description of the following embodiments, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.
[0027] In the description of the following embodiments, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0028] Example: See attached Figure 1-4 , an OCT imaging engine, including an optical imaging module, a computer processing module and a chassis; the optical imaging module includes a swept frequency light source 4, a delay line 6, an interferometer 8, a balanced detector 9, a polarization module 11, a circuit main board 12 and an optical fiber; the computer processing module includes an industrial control main board 14, a CPU 23, a solid state hard disk 24, a mechanical hard disk 17, a memory bar 25, a graphics card 15, a data acquisition card 16 and a medical power supply 21; the chassis includes a chassis body 3, a chassis middle plate 5 and a cover plate, the chassis middle plate 5 is vertically riveted to the middle of the chassis body 3 and is divided into two parts, and the cover plate is installed on the outside of the chassis body 3; the cover plate includes a light engine side cover plate 1 and a host side cover plate 2, both of which can be detachably installed on the chassis body 3. The light engine side cover plate 1 is installed on one side of the optical imaging module, and the host side cover plate 2 is installed on one side of the computer processing module.
[0029] An optical imaging module is installed on one side of the chassis middle plate 5, and a computer processing module is installed on the other side; the swept-frequency light source 4 is installed on one side of the chassis middle plate 5, a suction fan 13 is arranged on the front of the chassis body 3 facing the swept-frequency light source 4, and a heat dissipation hole is arranged on the back of the chassis body 3 facing the swept-frequency light source 4, so as to ensure that the heat dissipation hole, the swept-frequency light source 4 and the suction fan 13 form a forward heat dissipation path to discharge the heat of the light source in time; the industrial control main board 14 is installed on the other side of the chassis middle plate 5, and cooling fans are arranged on the front and rear of the chassis body 3 on this side.
[0030] The cooling fan includes a front cooling fan 20 for blowing outward and a rear cooling fan 19 for blowing inward. The front cooling fan 20 is arranged near the CPU 23 at the front of the chassis body 3, and the rear cooling fan 19 is arranged at the rear of the chassis body 3 facing the graphics card 15 and the data acquisition card 16 to ensure that the internal heat can be discharged out of the chassis in time when the computer processing module is running. The diameter of the rear cooling fan 19 is larger than the diameter of the front cooling fan 20, and the rear cooling fan 19 is arranged obliquely below the front cooling fan 20 to facilitate the smooth discharge of hot air in the chassis.
[0031] like Figure 2 As shown, a fiber optic routing board 22 is installed on the bottom surface of the chassis body 3 below the swept-frequency light source 4 and on the chassis middle plate 5 close to the swept-frequency light source 4. A routing groove and a pressure plate are provided on the fiber optic routing board 22, both of which can fix the optical fiber on the fiber optic routing board 22 to avoid the influence of the disturbance of the optical fiber on the transmission of the optical fiber signal.
[0032] like Figure 2-Figure 3 As shown, the delay line 6 is connected to the delay line bracket 7, and the delay line bracket 7 is connected to the chassis middle plate 5; the interferometer 8 and the balanced detector 9 are connected to the common bracket 10, and the common bracket 10 is connected to the chassis middle plate 5; the polarization module 11 is connected to the chassis middle plate 5 through a rubber pier; the circuit main board 12 is installed on the chassis middle plate 5. The polarization module 11 and the circuit main board 12 are sequentially arranged on the chassis middle plate 5 next to the swept frequency light source 4, and the circuit main board 12 is close to the front of the chassis body 3, that is, close to the suction fan 13. The number of the suction fans 13 is preferably two.
[0033] like Figure 4 As shown, the CPU 23, solid state drive 24, memory stick 25, graphics card 15 and data acquisition card 16 are all installed in the corresponding card slots of the industrial control motherboard 14; the mechanical hard disk 17 is connected to the hard disk bracket 18, and the hard disk bracket 18 is connected to the chassis middle plate 5; the medical power supply 21 is installed at the bottom of the chassis body 3 to provide a power source for the entire module. The dedicated cooling fan of the CPU 23 is also installed on the industrial control motherboard 14.
[0034] Although the preferred embodiments of the utility model are described above, the utility model is not limited to the above specific embodiments, which are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can make many forms without departing from the purpose of the utility model and the scope of protection of the claims. All of these belong to the protection scope of the utility model.
Claims
1. An OCT imaging engine, comprising an optical imaging module, a computer processing module and a chassis; the optical imaging module comprises a swept frequency light source, a delay line, an interferometer, a balanced detector, a polarization module, a circuit main board and an optical fiber; the computer processing module comprises an industrial control main board, a CPU, a solid state drive, a mechanical hard disk, a memory bar, a graphics card, a data acquisition card and a medical power supply, characterized in that: The chassis includes a chassis body, a chassis middle plate and a cover plate. The chassis middle plate is vertically riveted to the middle of the chassis body and divides it into two parts. The cover plate is installed on the outside of the chassis body. An optical imaging module is installed on one side of the chassis middle plate, and a computer processing module is installed on the other side. The swept-frequency light source is installed on one side of the chassis middle plate, a suction fan is arranged on the front of the chassis body facing the swept-frequency light source, and a heat dissipation hole is arranged on the back of the chassis body facing the swept-frequency light source. The industrial control mainboard is installed on the other side of the chassis middle plate, and cooling fans are arranged on the front and rear of the chassis body on this side.
2. The OCT imaging engine according to claim 1, characterized in that: An optical fiber routing board is installed on the bottom surface of the chassis body below the swept frequency light source and on the middle board of the chassis near the swept frequency light source. The optical fiber routing board is provided with routing grooves and pressure plates, both of which can fix the optical fiber on the optical fiber routing board.
3. The OCT imaging engine according to claim 1, characterized in that: The delay line is connected to the delay line bracket, and the delay line bracket is connected to the chassis middle plate; the interferometer and the balanced detector are connected to the common bracket, and the common bracket is connected to the chassis middle plate; the polarization module is connected to the chassis middle plate through the rubber pier; the circuit main board is installed on the chassis middle plate.
4. The OCT imaging engine according to claim 1, characterized in that: A polarization module and a circuit main board are arranged in sequence on the middle board of the chassis next to the frequency-sweeping light source, and the circuit main board is close to the front of the chassis body.
5. The OCT imaging engine according to claim 1, characterized in that: The CPU, solid state drive, memory stick, graphics card and data acquisition card are installed on the industrial control mainboard; the mechanical hard disk is connected to the hard disk bracket, and the hard disk bracket is connected to the chassis middle plate; the medical power supply is installed at the bottom of the chassis body.
6. The OCT imaging engine according to claim 1, characterized in that: The heat dissipation fans include a front heat dissipation fan that blows air outwards and a rear heat dissipation fan that blows air inwards.
7. The OCT imaging engine according to claim 6, characterized in that: A front cooling fan is arranged at the front of the chassis body near the CPU, and a rear cooling fan is arranged at the rear of the chassis body facing the graphics card and the data acquisition card.
8. The OCT imaging engine according to claim 7, characterized in that: The diameter of the rear cooling fan is greater than the diameter of the front cooling fan, and the rear cooling fan is arranged obliquely below the front cooling fan.
9. The OCT imaging engine according to any one of claims 1 to 8, characterized in that: The cover plate includes a light engine side cover plate and a host side cover plate, both of which can be detachably installed on the chassis body.
10. The OCT imaging engine according to claim 9, characterized in that: The light engine side cover is installed on one side of the optical imaging module, and the host side cover is installed on one side of the computer processing module.
