Optical device of biochemical analyzer

Abstract

The utility model discloses an optical device of a biochemical analyzer, which comprises a fixed support, a stepping motor, a light source rotating disc, a transmission component, a limiting pin, an optocoupler module, a plurality of LED (light-emitting diode) lamp beads and a PCB (printed circuit board), the stepping motor is arranged on the fixed support, and an output shaft of the stepping motor penetrates through the fixed support; the light source rotating disc is mounted on the fixed bracket through a rotating shaft; arc-shaped limiting grooves are formed in the inner side surfaces of the light source rotating discs; a plurality of LED lamp bead inserting grooves are formed in the outer side face of the light source rotating disc. Blocking pieces are fixed to the bottom of the light source rotating disc. An output shaft of the stepping motor is in transmission connection with the light source rotating disc through a transmission assembly. The limiting pin is fixed on the fixed bracket and is embedded in the arc-shaped limiting groove; the optocoupler module is fixed on the fixed bracket and corresponds to the position of the baffle plate; one end of each LED lamp bead is embedded in the corresponding LED lamp bead inserting groove, and the other end of each LED lamp bead is welded to the pcb. The utility model has the advantages of simple structure and lower cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to biochemical analyzer technical field more specifically relates to a biochemical analyzer optical device. BACKGROUND

[0002] Biochemical analyzer is one of important instruments commonly used in clinical diagnosis. Through the biochemical analysis of blood and other body fluids, various biochemical indexes such as hemoglobin, cholesterol, transaminase, glucose, inorganic phosphorus, amylase, albumin, total protein, calcium, etc. are measured. Through the use of these biochemical indexes and the comprehensive analysis combined with other clinical data, the disease can be diagnosed, the organ function can be evaluated, and the disease causing factor can be identified and the future medical benchmark can be determined.

[0003] However, the existing biochemical analyzer optical system structure is complex, and the cost is high.

[0004] Therefore, it is an urgent problem for those skilled in the art to provide a biochemical analyzer optical device with simple structure. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a biochemical analyzer optical device, simple structure saves the cost.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A biochemical analyzer optical device, comprising a fixed support, a stepping motor, a light source rotating disc, a transmission assembly, a limit pin, an optical coupling module, a plurality of LED lamp beads and a pcb board, the stepping motor is installed on the fixed support and its output shaft penetrates the fixed support;The light source rotating disc is installed on the fixed support through the rotating shaft;The inner side of the light source rotating disc has an arc limit groove;The outer side of the light source rotating disc has a plurality of LED lamp bead insertion grooves;The light source rotating disc bottom is fixed with a baffle;The output shaft of the stepping motor is connected with the light source rotating disc through the transmission assembly;The limit pin is fixed on the fixed support and is embedded in the arc limit groove;The optical coupling module is fixed on the fixed support and corresponds to the position of the baffle;One end of a plurality of LED lamp beads is embedded in a plurality of LED lamp bead insertion grooves respectively, and the other end of a plurality of LED lamp beads is welded with the pcb board.

[0008] Through the above technical scheme, the utility model has the beneficial effects that:

[0009] 1)Under the action of the stepper motor and the transmission assembly, rotation of the light source rotating disc is realized to realize selection of different LED lamp beads, zero position detection can be realized by cooperation of the optocoupler module and the baffle, the limiting pin limits rotation of the light source rotating disc within a certain angle range, accuracy of selection of the LED lamp beads is improved, and the structure is simplified;

[0010] 2) A plurality of LED lamp beads are adopted to replace a traditional halogen lamp plus a plurality of wavelength narrowband filter combinations, power consumption and cost are reduced.

[0011] Further, the transmission assembly comprises a synchronous pulley and a synchronous belt, the synchronous pulley is installed on an output shaft of the stepper motor, and the outer circumferential surface of the light source rotating disc is in transmission connection with the synchronous pulley through the synchronous belt.

[0012] Further, the biochemical analyzer optical device further comprises a light-transmitting plate, an inner side surface of the light source rotating disc is provided with a light-transmitting plate embedding groove, and the light-transmitting plate embedding groove is located above the arc-shaped limiting groove; the light-transmitting plate is in rotation connection with the fixed support and is embedded in the light-transmitting plate embedding groove.

[0013] Further, the biochemical analyzer optical device further comprises a detection and analysis unit, and the detection and analysis unit is installed on the fixed support.

[0014] Therefore, the biochemical analyzer optical device has the following beneficial effects compared with the prior art:

[0015] The structure is compact and simple, the volume is small, the device is suitable for miniaturization of instruments, cost is saved, and popularization and application are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0017] Fig. 1 The drawing is an exploded view of the biochemical analyzer optical device provided by the present application;

[0018] Fig. 2 The drawing is a structural schematic view of the light source rotating disc provided by the present application. DETAILED DESCRIPTION

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figs. 1-2 As shown in the figure, this utility model discloses an optical device for a biochemical analyzer, including a fixed bracket 1, a stepper motor 2, a light source rotating disk 3, a transmission assembly, a limiting pin 4, an optocoupler module 5, multiple LED beads 6, and a PCB board 7. The stepper motor 2 is mounted on the fixed bracket 1, and its output shaft passes through the fixed bracket 1. In this embodiment, the stepper motor 2 is mounted on the fixed bracket 1 with four screws. The light source rotating disk 3 is mounted on the fixed bracket 1 via a rotating shaft 8, and the light source rotating disk 3 can rotate freely around the rotating shaft 8. The inner side of the light source rotating disk 3 has an arc-shaped limiting groove 31 to limit the stroke of the light source rotating disk 3. The outer side of the light source rotating disk 3 has multiple LED bead insertion slots 32. The light source rotates... A baffle 9 is fixed to the bottom of the disk 3; the output shaft of the stepper motor 2 is connected to the light source rotating disk 3 through a transmission component to realize the quantitative rotation of the light source rotating disk 3; the limiting pin 4 is fixed on the fixed bracket 1 and fitted into the arc-shaped limiting groove 31; the optocoupler module 5 is fixed on the fixed bracket 1 and corresponds to the position of the baffle 9, and the baffle 9 realizes zero-point detection by blocking the photoelectric detection signal of the optocoupler module 5; one end of multiple LED beads 6 is respectively fitted into multiple LED bead insertion slots 32, and the other end of multiple LED beads 6 is welded to the PCB board 7. In this embodiment, the number of LED beads 6 is 1-8, corresponding to different wavelengths, to replace the traditional halogen lamp, reduce power consumption, and save energy and protect the environment.

[0021] Specifically, the transmission assembly includes a synchronous pulley 10 and a synchronous belt 11. The synchronous pulley 10 is mounted on the output shaft of the stepper motor 2. The outer circumferential surface of the light source rotating disk 3 is connected to the synchronous pulley 10 via the synchronous belt 11.

[0022] Specifically, an optical device for a biochemical analyzer also includes a light-transmitting plate 12, and the inner side of the light source rotating disk 3 has a light-transmitting plate embedding groove 33, and the light-transmitting plate embedding groove 33 is located above the arc-shaped limiting groove 31; the light-transmitting plate 12 is rotatably connected to the fixed bracket 1 and is fitted into the light-transmitting plate embedding groove 33.

[0023] Specifically, an optical device for a biochemical analyzer also includes a detection and analysis unit 13, which is mounted on a fixed bracket 1.

[0024] The various embodiments described in this specification are presented by way of example, and each embodiment is presented for the purpose of conveying the novelty and inventive aspects of the present patent application. Each embodiment is presented in a progressive and explanatory manner, and each embodiment highlights differences from other embodiments. The same or similar parts and / or functions between embodiments are to be understood as mutual references among the embodiments.

[0025] The above description of disclosed embodiments is intended to be illustrative and not restrictive. Many modifications of these embodiments by one having ordinary skill in the art are intended to be within the scope of the following claims. Thus, the present patent application is not to be limited to the embodiments described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A biochemical analyzer optical device, characterized by, The application relates to a biochemical analyzer optical device, which comprises a fixing support, a stepping motor, a light source rotating disc, a transmission assembly, a limiting pin, an optical coupling module, a plurality of LED lamp beads and a pcb board, the stepping motor is installed on the fixing support and the output shaft of the stepping motor penetrates through the fixing support; the light source rotating disc is installed on the fixing support through a rotating shaft; the inner side of the light source rotating disc is provided with an arc-shaped limiting groove; the outer side of the light source rotating disc is provided with a plurality of LED lamp bead insertion grooves; a baffle is fixed at the bottom of the light source rotating disc; the output shaft of the stepping motor is in transmission connection with the light source rotating disc through the transmission assembly; the limiting pin is fixed on the fixing support and is embedded in the arc-shaped limiting groove; the optical coupling module is fixed on the fixing support and is opposite to the baffle; one end of the plurality of LED lamp beads is embedded in the plurality of LED lamp bead insertion grooves respectively, and the other end of the plurality of LED lamp beads is welded with the pcb board.

2. The optical device of claim 1, wherein the optical device is a biochemical analyzer optical device. The transmission assembly comprises a synchronous pulley and a synchronous belt, the synchronous pulley is installed on the output shaft of the stepping motor; the outer circumferential surface of the light source rotating disc is in transmission connection with the synchronous pulley through the synchronous belt.

3. The optical device of a biochemical analyzer according to claim 1 or 2, characterized in that, The biochemical analyzer optical device further comprises a light-transmitting plate, the inner side of the light source rotating disc is provided with a light-transmitting plate embedding groove, and the light-transmitting plate embedding groove is located above the arc-shaped limiting groove; the light-transmitting plate is in rotary connection with the fixing support and is embedded in the light-transmitting plate embedding groove.

4. The optical device of claim 3, wherein the optical device is a biochemical analyzer optical device. The biochemical analyzer optical device further comprises a detection and analysis unit, and the detection and analysis unit is installed on the fixing support.

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