CN210442273U

CN210442273U - Test bed for fluid detection

Info

Publication number: CN210442273U
Application number: CN201921439661.9U
Authority: CN
Inventors: 袁其群; 王治斌; 查永涛; 王新进
Original assignee: Shanghai Chengzhong Technology Co Ltd
Current assignee: Shanghai Chengzhong Technology Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-01
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a test bed for fluid detection in the technical field of test beds for fluid detection, a sample application platform is fixedly arranged at the top of a guide seat, an adjusting screw rod is movably connected at the center of the bottom of the guide seat through a bearing, a light shield is fixedly arranged at the right side of the top of a workbench, a microscope lens matched with a lighting lamp is fixedly assembled on the left side wall of the light shield, a camera fixed at the top of the workbench is assembled at the right end of the microscope lens, slide rails are arranged at the top of the inner wall of the light shield and the right side of the top of the workbench, and a mounting frame is slidably assembled between the two sets of slide rails, an observation channel is arranged on the mounting frame, a projection screen is fixedly assembled in the observation channel, so that the lighting lamp, the microscope lens and a fluid sample on the sample application platform reach a horizontal line when sample application is carried out, the focusing is convenient, the interference of external light is reduced, and the imaging quality is improved.

Description

Test bed for fluid detection

Technical Field

The utility model relates to a test bench technical field for fluid detection specifically is a test bench for fluid detection.

Background

At present, when a biochip is produced, a sample solution is sprayed by a sample application needle, the sprayed amount is about NL, the state of the sprayed sample solution cannot be identified by using the existing monitoring video system or naked eyes, and due to the requirement of a sample application principle, sample application parameters need to be adjusted before formal sample application, the parameters are not proper, and subsequent sample application cannot be finished. When fluid detection is carried out, focusing of an illuminating lamp, a sample application table and a lens is needed, otherwise, accuracy of fluid detection is affected when the fluid detection is not carried out, meanwhile, a detection result is easily affected by illumination, imaging quality is easily affected by illumination interference when an imaging chamber is used for imaging, and therefore, a test bed for fluid detection is provided.

Disclosure of Invention

An object of the utility model is to provide a test bench for fluid detection to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a test bed for fluid detection comprises a base, wherein an electric telescopic rod is fixedly arranged at the center of the top of the base, a workbench is fixedly arranged at the top end of the electric telescopic rod, a lamp holder is fixedly arranged on the left side of the top of the workbench, a lighting lamp is fixedly arranged on the right side wall of the lamp holder, a fixing seat fixed at the top of the workbench is arranged on the right side of the lamp holder, a guide seat is assembled on the fixing seat in a sliding manner, a point sample table is fixedly arranged at the top of the guide seat, an adjusting screw rod is movably connected at the center of the bottom of the guide seat through a bearing, an adjusting plate is fixedly connected with the adjusting screw rod after the adjusting screw rod penetrates through the workbench, a light shield is fixedly arranged on the right side of the top of the workbench, a microscope lens matched with the lighting lamp is fixedly assembled on the left side wall of the light shield, the inner wall top of lens hood and the top right side of workstation all are provided with the slide rail, and two sets of it is equipped with the installing frame to slide between the slide rail, seted up on the installing frame and observed the passageway, just it is equipped with the projection curtain to observe the passageway internal fixation.

Preferably, the left side and the right side of the inner wall of the fixed seat are both provided with a sliding groove which is longitudinally arranged, and the left side and the right side of the outer wall of the guide seat are both fixedly provided with sliding blocks matched with the sliding grooves.

Preferably, the width of point appearance platform is greater than the width of fixing base, just the sample application groove has been seted up at the top of point appearance platform, just the stock chest with sample application groove intercommunication is seted up to the inner chamber of point appearance platform.

Preferably, the right side wall of the light shield is transversely through, a mounting hole matched with the microscope lens is formed in the left side wall of the light shield, and a sealing ring is arranged in the mounting hole in a nested mode.

Preferably, the mounting frame is a square frame, the size of the mounting frame is matched with the size of an inner cavity of the light shield, and the height of the light shield is greater than that of the camera.

Preferably, the regulating plate is a cross-shaped rotating plate, the outer wall of the regulating plate is provided with a holding part, and the outer wall of the regulating plate is wrapped with a rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, when biochip spotting production, the trace biological sample that the spotting needle erupted falls down from the middle top of light and microscope lens, fall into the spotting bench promptly, through microscope lens after enlargeing nanoliter level fluid, through the camera projection to the projection screen, thereby monitor the spray state of sample solution, because the light has been set up in front of the microscope lens, the image of sample solution spray state is exposed and is shown in the projection screen as clear image, simultaneously be provided with the lens hood outside the projection screen, reduce the interference of external light, improve the imaging quality, can slide the installing frame along the slide rail simultaneously, can adjust the projection distance between projection screen and the camera, guarantee to find the best projection formation of image on the projection screen, simultaneously through rotating the regulating plate, can drive the adjusting screw to rotate, can drive the guide holder to move on the fixing base, thereby can adjust the height of some sample platforms, be convenient for like this when carrying out the point sample, light, microscope camera lens and the fluid sample on the sample platform reach a water flat line, the better focus of being convenient for, be convenient for improve fluid detection imaging quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: the device comprises a base 1, an electric telescopic rod 2, a workbench 3, a lamp holder 4, a lighting lamp 5, a fixed seat 6, a guide seat 7, a sampling table 8, an adjusting screw rod 9, an adjusting plate 10, a light shield 11, a microscope lens 12, a camera 13, a slide rail 14, a mounting frame 15, an observation channel 16 and a projection screen 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a test bed for fluid detection comprises a base 1, an electric telescopic rod 2 is fixedly arranged at the top center of the base 1, a workbench 3 is fixedly arranged at the top end of the electric telescopic rod 2, a lamp holder 4 is fixedly arranged at the left side of the top of the workbench 3, an illuminating lamp 5 is fixedly arranged on the right side wall of the lamp holder 4, a fixed seat 6 fixed at the top of the workbench 3 is arranged at the right side of the lamp holder 4, a guide seat 7 is slidably assembled on the fixed seat 6, a point sample table 8 is fixedly arranged at the top of the guide seat 7, an adjusting screw 9 is movably connected at the bottom center of the guide seat 7 through a bearing, an adjusting plate 10 is fixedly connected after the adjusting screw 9 penetrates through the workbench 3, a light shield 11 is fixedly arranged at the right side of the top of the workbench 3, a microscope 12 matched with the illuminating lamp 5 is fixedly assembled on the left side wall of the light shield 11, and a camera 13 fixed at the, the top of the inner wall of the light shield 11 and the right side of the top of the workbench 3 are both provided with slide rails 14, a mounting frame 15 is assembled between the two groups of slide rails 14 in a sliding manner, an observation channel 16 is arranged on the mounting frame 15, a projection screen 17 is fixedly assembled in the observation channel 16, the camera 13, the illuminating lamp 5 and the electric telescopic rod 2 are electrically connected with an external power supply, when the biochip is subjected to sample application production, the electric telescopic rod 2 can be started through the external power supply to enable the electric telescopic rod 2 to extend out to adjust the height position of the workbench 3, a trace biological sample ejected by the sample application needle falls down from the middle upper part of the illuminating lamp 5 and the microscope 12, namely falls onto the sample application platform 8, nano-liter-level fluid is projected onto the projection screen 17 through the camera 13 after being amplified through the microscope 12, so that the ejection state of the sample solution on the projection screen 17 is constantly monitored, because the illuminating lamp 5 is arranged in front of the microscope 12, the image in the sample solution spraying state is displayed on the projection screen 17 as a clear image after being exposed, the light shield 11 is arranged outside the projection screen 17, the interference of external light is reduced, the imaging quality is improved, meanwhile, the mounting frame 15 can slide along the slide rail 14, the projection distance between the projection screen 17 and the camera 13 can be adjusted, the best projection imaging can be found on the projection screen 17, meanwhile, before detection is carried out, the adjusting plate 10 is manually rotated to realize focusing, the adjusting screw 9 can be driven to rotate, the guide seat 7 can be driven to move on the fixing seat 6 through the screw connection action of the adjusting screw 9 and the workbench 3, the height of the sample application platform 8 can be adjusted, and thus, when sample application is carried out, the fluid samples on the illuminating lamp 5 and the microscope 12 sample application platform 8 reach a horizontal line, better focusing is facilitated, the fluid detection imaging quality is improved conveniently.

The left side and the right side of the inner wall of the fixed seat 6 are both provided with a sliding groove which is longitudinally arranged, the left side and the right side of the outer wall of the guide seat 7 are both fixedly provided with a sliding block which is matched with the sliding groove, the guide seat 7 is driven to move on the fixed seat 6 through the screw connection action of the adjusting screw 9 and the working table 3, the moving linearity of the guide seat 7 is ensured, and therefore the height of the sample dispensing table 8 can be adjusted;

referring to fig. 1, the width of the sample application table 8 is greater than the width of the fixing base 6, a sample application groove is formed at the top of the sample application table 8, and a storage groove communicated with the sample application groove is formed in an inner cavity of the sample application table 8, so that the flow of a trace amount of fluid can be guided;

referring to fig. 1, a right side wall of the light shield 11 is transversely through, and a left side wall of the light shield 11 is provided with a mounting hole adapted to the microscope lens 12, and a sealing ring is nested in the mounting hole;

the mounting frame 15 is a square frame, the size of the mounting frame 15 is matched with the size of the inner cavity of the light shield 11, and the height of the light shield 11 is greater than that of the camera 13, so that the relatively closed environment of the camera 13 is ensured, the interference of external light is reduced, and the imaging quality is improved;

the adjusting plate 10 is a cross-shaped rotating plate, a holding part is arranged on the outer wall of the adjusting plate 10, and a rubber pad wraps the outer wall of the adjusting plate 10, so that the adjusting plate 10 can be manually rotated conveniently.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A test rig for fluid testing, characterized by: comprises a base (1), an electric telescopic rod (2) is fixedly arranged at the top center of the base (1), a workbench (3) is fixedly arranged at the top end of the electric telescopic rod (2), a lamp holder (4) is fixedly arranged at the left side of the top of the workbench (3), a lighting lamp (5) is fixedly arranged on the right side wall of the lamp holder (4), a fixing seat (6) fixed at the top of the workbench (3) is arranged at the right side of the lamp holder (4), a guide seat (7) is slidably arranged on the fixing seat (6), a sample application platform (8) is fixedly arranged at the top of the guide seat (7), an adjusting screw (9) is movably connected at the center of the bottom of the guide seat (7) through a bearing, an adjusting plate (10) is fixedly connected at the rear part of the workbench (3) in a zone of the adjusting screw (9), a light shield (11) is fixedly arranged at the right side, fixed microscope lens (12) that are equipped with and light (5) looks adaptation on the left side wall of lens hood (11), the right-hand member of microscope lens (12) is equipped with camera (13) of fixing at workstation (3) top, the inner wall top of lens hood (11) and the top right side of workstation (3) all are provided with slide rail (14), and two sets of it is equipped with installing frame (15) to slide between slide rail (14), observation passageway (16) have been seted up on installing frame (15), just it is equipped with projection curtain (17) to observe passageway (16) internal fixation.

2. A test rig for fluid testing according to claim 1, wherein: the left side and the right side of the inner wall of the fixed seat (6) are both provided with a sliding groove which is longitudinally arranged, and the left side and the right side of the outer wall of the guide seat (7) are both fixedly provided with sliding blocks matched with the sliding grooves.

3. A test rig for fluid testing according to claim 1, wherein: the width of point appearance platform (8) is greater than the width of fixing base (6), just the sample application groove has been seted up at the top of point appearance platform (8), just the stock chest that communicates with the sample application groove has been seted up to the inner chamber of point appearance platform (8).

4. A test rig for fluid testing according to claim 1, wherein: the right side wall of the light shield (11) is transversely communicated, a mounting hole matched with the microscope lens (12) is formed in the left side wall of the light shield (11), and a sealing ring is arranged in the mounting hole in a nested mode.

5. A test rig for fluid testing according to claim 4, wherein: the mounting frame (15) is a square frame, the size of the mounting frame (15) is matched with the size of an inner cavity of the light shield (11), and the height of the light shield (11) is larger than that of the camera (13).

6. A test rig for fluid testing according to claim 1, wherein: the adjustable plate is characterized in that the adjusting plate (10) is a cross-shaped rotating plate, the holding part is arranged on the outer wall of the adjusting plate (10), and the outer wall of the adjusting plate (10) is wrapped by a rubber pad.