CN218382362U - Multichannel adjustable optical detection module - Google Patents

Abstract

The utility model relates to the field of biological detection, in particular to an adjustable optical detection module of multichannel, the on-line screen storage device comprises a base, be equipped with a plurality of detection modules on the base, be equipped with the photocell on the detection module, be equipped with the photoelectric detection board on the base, set up a plurality of electrically conductive slots that are used for supplying the pin of photocell to insert on the photoelectric detection board, the pin of photocell with electrically conductive slot sliding connection, be equipped with between detection module and the base and be used for locking the relative position's of detection module with the photoelectric detection board sliding shaft and be used for with the draw-in groove of sliding shaft joint, the sliding shaft set up on the base, the draw-in groove is seted up on detection module; the utility model aims at overcoming the not enough and providing an adjustable optical detection module of multichannel is convenient for change the detection module's the detection of the combination mode of the wavelength of detection light still need constantly research with the detection of corresponding different samples.

Description

Multichannel adjustable optical detection module

Technical Field

The utility model relates to a biological detection field especially relates to an adjustable optical detection module of multichannel.

Background

The optical detection module mainly adopts the photoelectric colorimetric principle to measure the instrument of a certain specific chemical component in liquid, utilizes ultraviolet light, visible light, infrared light and laser lamp to determine the absorption spectrum of a substance, and carries out qualitative and quantitative analysis and substance structure analysis on the substance through the absorption spectrum. The POCT (Point-of-careting, chinese full name: point-of-care) biochemical detector has the characteristics of small size, portability, simplicity in operation, convenience in maintenance and low cost, and is widely favored by people.

In the prior art, the wavelength of the detection light of the detection channel of the optical detection module in the biochemical detection instrument is usually a fixed combination mode, and is fixed by a bolt, when liquid is measured, only part of samples can be optically detected, and because the wavelengths of the detection light required by different samples are different, when the detection samples are replaced, the combination mode of the detection light of the detection module needs to be replaced synchronously, and more time is consumed for disassembling and assembling the detection module by the bolt, which is very inconvenient for the detection of different samples. Therefore, how to design a multi-channel adjustable optical detection module installed in a biochemical analyzer is a technical problem to be solved urgently in order to cope with the detection of different samples in a combined manner of the wavelengths of the detection light of the detection module.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to overcome the deficiencies of the prior art and to provide a multi-channel tunable optical detection module, which is convenient for changing the combination of the wavelengths of the detection light of the detection module to cope with the detection of different samples.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides an adjustable optical detection module of multichannel, includes the base, be equipped with a plurality of detection module on the base, be equipped with the photocell on the detection module, be equipped with photoelectric detection board on the base, set up a plurality of being used for supplying on the photoelectric detection board the pin male electrically conductive slot of photocell, detection module with be equipped with between the base and be used for the locking detection module with the relative position's of photoelectric detection board sliding shaft and be used for with the draw-in groove of sliding shaft joint, the sliding shaft set up in on the base, the draw-in groove is seted up on detection module.

Compare prior art, the utility model has the advantages that:

the utility model discloses when using: when the absorption rates of different samples to light with different wavelengths need to be detected, the detection module which is used for transmitting the light with different wavelengths by holding is moved vertically downwards to enable the clamping groove to be clamped with the sliding shaft, and the pin of the photocell is inserted into the conductive slot;

when the detection modules with different wavelengths need to be replaced to detect a sample, the detection module which is clamped with the sliding shaft by hand is vertically moved upwards, the pins of the photocells are separated from the conductive slots, the detection modules which emit the detection light with different wavelengths are replaced, and the steps are repeated to install the detection modules.

The arrangement of the sliding shaft and the clamping groove realizes the relative fixation of the detection module and the base when the pin of the photocell and the conductive slot are connected, the quick replacement of the detection module is realized, and the quick adjustment of the wavelength of the detection light of the detection sample is realized.

Preferably, the base is provided with a mounting groove for accommodating the photoelectric detection plate and the detection module.

Preferably, the locking subassembly includes the slide shaft, is used for the locking the slide shaft with detection module's relative position's spacing slider, elastic ball and be used for with the draw-in groove of slide shaft joint, the slide shaft set up in on the base, the draw-in groove is seted up on detection module, a spacing spout has been seted up on the subtend both sides wall of draw-in groove respectively, spacing slider with spacing spout sliding connection, the elastic ball is located the inside of spacing spout.

Preferably, the upper side and the lower side of the limiting slide block are both provided with cambered surfaces or inclined surfaces which are used for abutting against the sliding shaft to slide.

Preferably, two ends of the sliding shaft are respectively connected with a fixed seat, and the base is connected with the fixed seats through bolts.

Preferably, the sliding shaft is connected with the fixed seat in a sliding manner.

Preferably, an exit channel and an incident channel are formed in the detection module, the exit channel is communicated with the incident channel, the photocell is arranged at the tail end of the incident channel, a light source is arranged at the beginning end of the exit channel, an exit hole of the exit channel is the same as an entrance hole of the incident channel, and a dichroic mirror for reflecting light of the light source from the exit channel and allowing the reflected light to pass through is arranged at the communication position of the exit channel and the incident channel.

Preferably, a filter for changing the wavelength of light is provided between the light source and the dichroic mirror.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the detecting module;

FIG. 4 is an enlarged schematic view of FIG. 2 at A;

fig. 5 is a schematic diagram of a split structure of the detection module.

Reference numerals are as follows: 10. a base; 11. mounting grooves; 12. a fixed seat; 14. a slide shaft; 20. a photoelectric detection plate; 21. a conductive slot; 22. a card slot; 23. a limiting slide block; 24. an elastic ball; 25. a limiting chute; 30. a detection module; 31. an exit channel; 32. an incident channel; 33. a photovoltaic cell; 34. a light source; 35. a dichroic mirror; 36. and a filter.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so as to make the technical solutions of the present invention easier to understand and grasp.

Referring to fig. 1 to 5, the present embodiment provides a multi-channel tunable optical detection module, which facilitates changing a combination of wavelengths of detection light of a detection module so as to cope with detection of different samples.

Referring to fig. 1, 2 and 3, in order to facilitate adjustment of the wavelength and the combination of the detection light of the detection module 30, the optical fiber detection device includes a base 10, a plurality of detection modules 30 are disposed on the base 10, a photocell 33 is disposed on the detection modules 30, a photoelectric detection plate 20 is disposed on the base 10, a mounting groove 11 for accommodating the photoelectric detection plate 20 and the detection modules 30 is disposed on the base 10, a conductive slot 21 for inserting a pin of the photocell 33 is disposed on the photoelectric detection plate 20, the optical fiber detection device further includes a sliding shaft 14, a limiting slider 23 for locking the sliding shaft 14 and the detection modules 30, an elastic ball 24, and a clamping groove 22 for clamping with the sliding shaft 14, the sliding shaft 14 is disposed on the base 10, the clamping groove 22 is disposed on the detection modules 30, a limiting sliding chute 25 is disposed on two opposite side walls of the clamping groove 22, the limiting slider 23 is slidably connected with the limiting chute 25, the elastic ball 24 is located inside the limiting chute 25, the upper and lower side of the limiting slider 23 is disposed on an arc surface or an inclined surface for pressing against the sliding shaft 14, the sliding surface or the inclined surface, the sliding surface is connected with a fixing seat 12, and the sliding shaft 12 is connected with the fixing seat 12.

When in use: the base 10 and the fixing seat 12 are connected through bolts, when the absorption rates of different samples to light with different wavelengths need to be detected, the detection module 30 which is used for transmitting the light with different wavelengths by holding is moved vertically downwards to enable the clamping groove 22 to be clamped with the sliding shaft 14, in the process, the limiting sliding block 23 enters the limiting sliding groove 25 under the abutting action of the cambered surface or inclined surface sliding shaft 14, the elastic ball 24 is compressed, when the sliding shaft 14 is positioned on the upper side of the limiting sliding block 23, the elastic ball 24 is reset, the pin of the photocell 33 is inserted into the conductive slot 21, and the limiting sliding block 23 is separated from the limiting sliding groove 25 to be locked and matched with the clamping groove 22 to lock the relative position of the sliding shaft 14 and the detection module 30;

when the detection modules with different wavelengths need to be replaced to detect a sample, the handheld detection module 30 clamped with the sliding shaft 14 vertically moves upwards, in the process, the limiting sliding block 23 enters the limiting sliding groove 25 under the abutting action of the cambered surface or inclined surface sliding shaft 14, the elastic ball 24 is compressed, when the sliding shaft 14 is located on the lower side of the limiting sliding block 23, the elastic ball 24 resets, the pin of the photocell 33 is separated from the conductive slot 21, the limiting sliding block 23 is separated from the inside of the limiting sliding groove 25, the detection module 30 is separated from the sliding shaft 14, the detection module 30 emitting the detection light with different wavelengths is replaced, and the steps are repeated to install the detection module 30.

As shown in fig. 4 and 5, in order to detect the liquid to be detected, an exit channel 31 and an incident channel 32 are formed inside the detection module 30, the exit channel 31 is communicated with the incident channel 32, the photocell 33 is disposed at the tail end of the incident channel 32, a light source 34 is disposed at the start end of the exit channel 31, an exit hole of the exit channel 31 is the same as an entrance hole of the incident channel 32, a dichroic mirror 35 for reflecting the light of the light source 34 from the exit channel 31 and allowing the reflected light to pass through is disposed at a communication position of the exit channel 31 and the incident channel 32, and a filter 36 for changing the wavelength of the light is disposed between the light source 34 and the dichroic mirror 35.

When in use: light emitted by the light source 34 changes the wavelength of the light through the optical filter 36, and then is reflected by the dichroic mirror 35 to exit from the incident channel 32 and the outer side of the reagent tube, the liquid to be detected in the reagent tube reflects the light, enters from the incident channel 32 and is reflected to the photocell 33 through the dichroic mirror 35, and the photocell 33 converts a light signal into an electric signal, so that the detection of the liquid to be detected is realized.

As shown in fig. 4 and 5, the light source 34 is detachably connected to the detection module 30 for maintenance of the detection module 30.

When in use: when the light source 34 needs to be replaced, the light source 34 is removed and replaced.

Above only the typical example of the utility model discloses, in addition, the utility model discloses can also have other multiple concrete implementation manners, all adopt the technical scheme that equivalent replacement or equivalent transform formed, all fall in the utility model discloses the scope of claiming.

Claims (7)

1. The utility model provides an adjustable optical detection module of multichannel, includes base (10), be equipped with a plurality of detection module (30) on base (10), be equipped with photocell (33) on detection module (30), its characterized in that, be equipped with photoelectric detection board (20) on base (10), set up a plurality ofly on photoelectric detection board (20) and be used for supplying the pin male electrically conductive slot (21) of photocell (33), detection module (30) with be equipped with between base (10) and be used for the locking detection module (30) with slide-shaft (14) of the relative position of photoelectric detection board (20) and be used for with draw-in groove (22) of slide-shaft (14) joint, slide-shaft (14) set up in on base (10), draw-in groove (22) are seted up on detection module (30).

2. The adjustable multi-channel optical inspection module of claim 1 further comprising: the base (10) is provided with a mounting groove (11) for accommodating the photoelectric detection plate (20) and the detection module (30).

3. A multi-channel tunable optical inspection module according to claim 1 or 2, wherein: the locking assembly comprises a limiting slide block (23) and an elastic ball (24), the limiting slide block (23) is used for locking the relative position of the sliding shaft (14) and the detection module (30), two opposite side walls of the clamping groove (22) are respectively provided with a limiting slide groove (25), the limiting slide block (23) is in sliding connection with the limiting slide grooves (25), and the elastic ball (24) is located inside the limiting slide grooves (25).

4. A multi-channel tunable optical inspection module according to claim 3, wherein: the upper side and the lower side of the limiting slide block (23) are both provided with cambered surfaces or inclined surfaces which are used for abutting against the sliding shaft (14) to slide.

5. The adjustable multi-channel optical inspection module of claim 3, wherein: two ends of the sliding shaft (14) are respectively connected with a fixed seat (12), and the base (10) is connected with the fixed seats (12) through bolts.

6. A multi-channel tunable optical inspection module according to claim 1 or 2, wherein: an exit channel (31) and an incident channel (32) are formed in the detection module (30), the exit channel (31) is communicated with the incident channel (32), the photocell (33) is arranged at the tail end of the incident channel (32), a light source (34) is arranged at the starting end of the exit channel (31), an exit hole of the exit channel (31) and an incident hole of the incident channel (32) are the same, and a dichroic mirror (35) used for reflecting light of the light source (34) out of the exit channel (31) and allowing the reflected light to pass through is arranged at the communication position of the exit channel (31) and the incident channel (32).

7. The adjustable multi-channel optical inspection module of claim 6, further comprising: a filter (36) for changing the wavelength of the light is arranged between the light source (34) and the dichroic mirror (35).

Images