CN117783111A - Microscopic detection mechanism for dry chemistry field - Google Patents

Abstract

The application relates to the field of liquid detection microscopes, in particular to a microscopic detection mechanism for the field of dry chemistry, which comprises a microscope body, wherein an objective lens capable of automatically focusing is arranged on the microscope body; the automatic sample application mechanism is arranged on one side of the microscope body and is used for automatically dripping the liquid to be tested into the reaction device; the automatic sample feeding mechanism is positioned below the objective lens and the automatic sample application mechanism, and when the automatic sample feeding mechanism is used, the reaction device is moved from the automatic sample application mechanism to the position below the objective lens, and the liquid to be detected in the reaction device is focused and observed through the automatic focusing objective lens; the automatic replacement mechanism of the reaction device comprises a base, a cartridge arranged on the base and used for storing the reaction device, a first inclined surface arranged on the base and below the cartridge, and a push plate pushing out the reaction device in the cartridge. The method and the device have the effects of improving the accuracy of the test result and improving the detection efficiency.

Description

Microscopic detection mechanism for dry chemistry field

Technical Field

The present application relates to the field of liquid detection microscopes, and in particular to a microscopic detection mechanism for the field of dry chemistry.

Background

Body fluid examination refers to a mode of examination using various secretions or excretions of the body in clinical general examination, is the most commonly used examination item in clinical laboratories, and mainly aims at quantitatively, qualitatively and morphologically examining cells and other components in samples of various body fluids and secretions, and provides objective laboratory basis for disease prevention, disease diagnosis, differential diagnosis, efficacy monitoring and prognosis judgment.

At present, most of the existing microscopic mechanisms for detecting body fluid are characterized in that body fluid, namely a sample, is dripped on a reaction device, then the reaction device is placed on a microscope for manual focusing and moving, and then analysis is performed manually. The reaction device is manually placed under a microscope, so that body fluid is volatilized or splashed easily in the process, pollution is easily caused, and the accuracy and stability of a final result are affected. And this mode can lead to the operator to increase with detection liquid contact chance, increases the risk of infection, detects the follow-up image through artifical the observation analysis, has certain error, and manual operation error is more, and efficiency is lower.

Disclosure of Invention

In order to improve the accuracy of test results and improve detection efficiency, the application provides a microscopic detection mechanism for the dry chemistry field.

The application provides a microscopic detection mechanism for dry chemistry field adopts following technical scheme:

a microscopic detection mechanism for use in the field of dry chemistry, comprising:

the microscope comprises a microscope body, wherein an objective lens capable of automatically focusing is arranged on the microscope body, a reaction device to be observed is placed below the objective lens, the objective lens achieves automatic focusing through an automatic focusing mechanism, and the objective lens after focusing is used for observing liquid to be detected in the reaction device;

the automatic sample application mechanism is arranged on one side of the microscope body and is used for automatically dripping the liquid to be tested into the reaction device;

the automatic sample feeding mechanism is positioned below the objective lens and the automatic sample application mechanism, and when the automatic sample feeding mechanism is used, the reaction device is moved from the automatic sample application mechanism to the position below the objective lens, and the liquid to be detected in the reaction device is focused and observed through the automatic focusing objective lens;

the automatic replacement mechanism of the reaction device comprises a base, a clamping box, a first inclined surface and a push plate, wherein the clamping box is arranged on the base and used for storing the reaction device, the bottom of the clamping box is open, the first inclined surface is arranged on the base and used for guiding the reaction device and is arranged below the clamping box, and the push plate is pushed out of the reaction device in the clamping box.

Through adopting above-mentioned technical scheme, in the course of the work, at first at reaction device automatic replacement mechanism embeds a plurality of reaction device, and sample feeding mechanism can remove the reaction device that is in the transmission position, then change mechanism can be automatic place next reaction device in the transmission position. The sample feeding mechanism feeds the reaction device to the liquid adding level, the sample application mechanism works, and the sample is dripped on the reaction device. The sample feeding mechanism continues to move, and the reaction device is moved to the position below the automatic focusing mechanism. The mechanism drives the microscope to automatically focus, then the collected pictures are sent to a picture analysis system, the analysis system analyzes the pictures, and then the result is output to a user.

Preferably, the automatic replacement mechanism of the reaction device further comprises a clamping box, a linear driving mechanism and a push plate; the cartridge comprises an upper cartridge and a lower cartridge, the upper cartridge and the lower cartridge are combined to form a complete cartridge, the cartridge is used for placing a plurality of reaction devices, the upper cartridge is arranged on the lower cartridge in a sliding manner, a pushing structure is arranged on a base, the upper cartridge is pushed up by the pushing structure, and the reaction devices positioned below the cartridge are pushed by a push plate and are conveyed to an automatic sample application mechanism.

Through adopting above-mentioned technical scheme, at reaction unit by the in-process of removal transportation, need be taken out from the card box earlier, remove reaction unit in the card box to automatic sample application mechanism department, after automatic sample application mechanism sample application, send the reaction unit that sample application is good to the objective below of microscope body through automatic sample feeding mechanism again, observe reaction unit.

Preferably, the moving direction of the linear driving mechanism is the x-axis direction, the linear driving device drives the pushing plate to move towards the x-axis direction, the pushing plate comprises a first transverse pushing plate and a first inclined pushing plate, the first transverse pushing plate is in tail-to-tail connection with the first inclined pushing plate, and when the pushing plate moves along the x-axis direction, the first inclined pushing plate is in contact with the reaction device and enables the reaction device to move upwards.

By adopting the technical scheme, the linear driving device drives the push plate to move along the x axis, the push plate is provided with the inclined surface structure, and when the push plate moves forward along the x axis, the inclined surface is contacted with the reaction device and forces the reaction device to move upwards.

Preferably, the highest position of the first inclined push plate is connected with the first transverse push plate, the highest position of the first inclined push plate is higher than the first transverse push plate, a bulge exists at the highest position of the first inclined push plate relative to the first transverse push plate, and after the push plate is pushed to the rear of the reaction device, the reaction device is positioned in front of the bulge of the first inclined push plate until the reaction device loses contact with the first inclined push plate.

By adopting the technical scheme, when the push plate moves to the rear of the reaction device and loses contact with the reaction device completely, the lowest reaction device just falls in front of the inclined plane protrusion.

Preferably, the push plate moves along the negative direction of the x axis, and the protrusion between the first inclined push plate and the first transverse push plate pushes the lowest reaction device to move along the negative direction of the x axis, so that the penultimate reaction device falls into the bottom after the bottom reaction device moves due to the action of gravity.

Through adopting above-mentioned technical scheme, the push pedal promotes the reaction unit of below and moves along the negative direction of x axle together, and the reaction unit of below removes the back, and penultimate reaction unit falls to the bottom owing to the effect of gravity, so repeatedly, can realize the function of automatic change reaction unit.

Preferably, a plurality of hook-shaped protrusions are arranged on the upper box, grooves are arranged at corresponding positions on the lower box, the hook-shaped protrusions and the grooves can be mutually buckled and separated, and the hook-shaped protrusions transversely scratch into the grooves and then longitudinally slide the upper box, so that the upper box and the lower box can be buckled.

By adopting the technical scheme, before the reaction device to be detected is replaced, the reaction device needs to be taken out from the position between the upper box and the lower box.

Preferably, the automatic focusing mechanism comprises a manual rough adjusting mechanism, an automatic fine adjusting mechanism and a Y-direction driving mechanism, and when the reaction device is positioned right below the microscope body, the Y-direction driving mechanism drives the microscope to adjust the position so that a substance to be detected is positioned at the center of an objective lens of the microscope;

the region to be tested on the reaction device is a fixed point location, and the x-axis coordinate and the Y-axis coordinate of the point to be tested are required to be recorded during the recording during the primary test.

By adopting the technical scheme, the automatic focusing mechanism and the reaction device can drive the microscope to move to a fixed coordinate point after preliminary adjustment and later detection each time.

Preferably, the manual rough adjusting mechanism comprises a rough adjusting hand-screwed bolt, a set screw and a microscope connecting plate, when focusing is performed, a microscope screen image is observed, the hand-screwed bolt is manually screwed to the position with the clearest image, and then the set screw is screwed to fix the height of the microscope;

the bottom of the hand-screwed bolt is provided with a cam mechanism, the cam mechanism is electrically powered by an electrode, and when the electrode is in fine tuning, the cam mechanism is electrically powered by the electrode, and the cam rotates for a circle to drive the height of the manual coarse tuning mechanism to change.

By adopting the technical scheme, after debugging, the software system continuously collects pictures and selects the sharpest picture from the pictures to be used as the picture for detection.

Preferably, the automatic sample application mechanism is fixed above the sample feeding mechanism, and comprises a sample application needle, a Y-direction moving mechanism and a sample application lifting mechanism for controlling the lifting of the sample application needle; when the sample application device is used, the Y-direction moving mechanism drives the sample application needle to move to a liquid suction position to suck the liquid to be tested, then the sample application needle moves to the position right above the reaction device, the sample application lifting mechanism drives the sample application needle to fall to a set height, a sample is injected onto the reaction device, and after the sample application needle is completed, the sample application needle is restored.

By adopting the technical scheme, when in sample application, the sample application needle moves back and forth between the reaction device and the origin.

Preferably, the automatic sample feeding mechanism comprises a base, a push plate and a linear driving mechanism, wherein the linear driving mechanism drives the push plate when in operation, and the reaction device moves along the direction of the x axis and the negative direction of the x axis under the action of the push plate.

By adopting the technical scheme, the push plate moves along the x axis under the drive of the linear driving mechanism; the reaction device can move along the negative direction of the x axis under the pushing of the push plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the working process, a plurality of reaction devices are arranged in the automatic reaction device replacement mechanism, the sample conveying mechanism can remove the reaction device at the sending position, and then the replacement mechanism can automatically place the next reaction device at the sending position. The sample feeding mechanism feeds the reaction device to the liquid adding level, the sample application mechanism works, and the sample is dripped on the reaction device. The sample feeding mechanism continues to move, and the reaction device is moved to the position below the automatic focusing mechanism. The mechanism drives the microscope to automatically focus, then the collected pictures are sent to a picture analysis system, the analysis system analyzes the pictures, and then the result is output to a user.

2. In the process that the reaction device is moved and transported, the reaction device in the cartridge is required to be taken out from the cartridge, the reaction device in the cartridge is moved to the automatic sample application mechanism, the reaction device after sample application of the automatic sample application mechanism is sent to the position below the objective lens of the microscope body through the automatic sample feeding mechanism, and the reaction device is observed.

3. When the push plate moves to the rear of the reaction device and loses contact with the reaction device completely, the lowest reaction device falls just in front of the inclined plane protrusion.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a microscopic examination mechanism for use in the field of dry chemistry in accordance with an embodiment of the present application;

FIG. 2 is a schematic top view of an embodiment of the present application;

FIG. 3 is a schematic view of the structure of the water-lift microscope body;

FIG. 4 is a schematic diagram of a moving part embodying an automatic spotting mechanism;

FIG. 5 is a schematic view showing the overall structure of an automatic replacement mechanism for a reaction apparatus;

fig. 6 is a schematic diagram showing the internal structure of the cartridge.

Reference numerals illustrate: 1. a microscope body; 11. an adjusting frame; 12. an electron microscope; 13. coarse-adjustment screwing of bolts; 14. cam fine adjustment mechanism; 2. an automatic sample application mechanism; 21. a sample application needle; 22. a Y-direction moving mechanism; 23. a sample application lifting mechanism; 3. an automatic sample feeding mechanism; 31. a base; 32. a push plate; 321. a first transverse push plate; 322. a first inclined push plate; 33. a linear driving mechanism; 4. an automatic replacement mechanism for the reaction device; 41. a cartridge; 411. loading the box; 412. a lower box; 42. a first inclined surface; 5. a reaction device.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a microscopic detection mechanism for the field of dry chemistry. Referring to fig. 1 and 2, the microscopic examination mechanism for the dry chemistry field includes a microscope body 1, an automatic spotting mechanism 2, an automatic sample feeding mechanism 3, and a reaction apparatus automatic replacement mechanism 4. The microscope body 1 includes an adjusting frame 11, an electron microscope 12 mounted on the adjusting frame 11, a rough hand-screwed bolt 13 for focusing on the electron microscope 12, and a cam fine-tuning mechanism 14 below the reaction device 5. In an alternative embodiment, an objective lens capable of automatic focusing is arranged on the microscope body 1, a reaction device 5 to be observed is placed below the objective lens, the objective lens realizes automatic focusing through an automatic focusing mechanism, and the objective lens after focusing is used for observing liquid to be detected in the reaction device 5.

In an alternative embodiment, the automatic focusing mechanism comprises a manual rough adjusting mechanism, an automatic fine adjusting mechanism and a Y-direction driving mechanism, and when the reaction device 5 is positioned right below the microscope body 1, the Y-direction driving mechanism drives the microscope to adjust the position so that the substance to be detected is positioned at the center of an objective lens of the microscope; the region to be tested on the reaction device 5 is a fixed point location, and the x-axis coordinate and the Y-axis coordinate of the point to be tested are required to be recorded during the recording during the primary test. After preliminary adjustment, the automatic focusing mechanism and the reaction device 5 can drive the microscope to move to a fixed coordinate point during each detection.

Optionally, the manual rough adjusting mechanism comprises a rough adjusting hand screwing bolt 13, a set screw and a microscope connecting plate, when focusing is performed, an image of a microscope screen is observed, the manual hand screwing bolt is adjusted to the position with the clearest image, and then the set screw is screwed down to fix the height of the microscope; the bottom of the hand-screwed bolt is provided with a cam mechanism, the cam mechanism is electrically driven by an electrode, and when the electrode is finely tuned, the cam mechanism is electrically driven by the electrode, and the cam rotates for a circle to drive the height of the manual rough adjusting mechanism to change. After debugging, the software system continuously collects pictures and selects the sharpest picture from the pictures to be used as a picture for detection.

In an alternative embodiment, the automatic spotting mechanism 2 is arranged on one side of the microscope body 1, and the automatic spotting mechanism 2 is used for automatically dropping the liquid to be tested into the reaction device 5. Optionally, the automatic sample application mechanism 2 is fixed above the sample feeding mechanism, and the automatic sample application mechanism 2 comprises a sample application needle 21, a Y-direction moving mechanism 22 and a sample application lifting mechanism 23 for controlling the lifting of the sample application needle 21; when in use, the Y-direction moving mechanism 22 drives the sample application needle 21 to move to a liquid suction position to suck the liquid to be detected, then moves to the position right above the reaction device 5, the sample application lifting mechanism 23 drives the sample application needle 21 to fall to a set height, the sample is injected onto the reaction device 5, and after the sample application needle 21 is restored. At the time of spotting, the spotting needle 21 reciprocates between the reaction device 5 and the origin.

The automatic sampling mechanism 3 comprises a base 31, a push plate 32 and a linear driving mechanism 33, wherein the linear driving mechanism 33 drives the push plate 32 when in operation, and the reaction device 5 moves along the direction of the x axis and the negative direction of the x axis under the action of the push plate 32. The push plate 32 moves along the x axis under the drive of the linear driving mechanism 33; the reaction device 5 can be moved in the negative x-axis direction by pushing the push plate 32. In an alternative embodiment, the automatic sample feeding mechanism 3 is located below the objective lens and the automatic sample application mechanism 2, and in use, the automatic sample feeding mechanism 3 moves the reaction device 5 from the automatic sample application mechanism 2 to below the objective lens, and performs focusing observation on the liquid to be measured in the reaction device 5 through the automatic focusing objective lens.

The automatic reaction device replacement mechanism 4 includes a base 31, a cartridge 41 mounted on the base 31 for storing the reaction device 5 and having an opening at the bottom, a first inclined surface 42 mounted on the base 31 for guiding the reaction device 5 and provided below the cartridge 41, and a push plate 32 for pushing out the reaction device 5 in the cartridge 41. In the working process, a plurality of reaction devices 5 are firstly arranged in the automatic reaction device replacing mechanism 4, the sample feeding mechanism can remove the reaction device 5 at the sending position, and then the replacing mechanism can automatically place the next reaction device 5 at the sending position. The sample feeding mechanism feeds the reaction device 5 to the filling level, and the sample application mechanism works to drop the sample onto the reaction device 5. The sample feeding mechanism continues to move, and the reaction device 5 is moved to the lower part of the automatic focusing mechanism. The mechanism drives the microscope to automatically focus, then the collected pictures are sent to a picture analysis system, the analysis system analyzes the pictures, and then the result is output to a user.

Optionally, the cartridge 41 includes an upper case 411 and a lower case 412, where the upper case 411 and the lower case 412 are combined to form a complete cartridge 41, the cartridge 41 is used to place a plurality of reaction devices 5, the upper case 411 is slidably disposed on the lower case 412, a pushing structure is disposed on the base 31, the upper case 411 is pushed up by the pushing structure, and the reaction devices 5 located below the inside of the cartridge 41 are pushed by the push plate 32 and are transported to the automatic spotting mechanism 2. In the process of moving and transporting the reaction device 5, the reaction device 5 in the cartridge 41 needs to be taken out from the cartridge 41, the reaction device 5 in the cartridge 41 is moved to the automatic sample application mechanism 2, the sample is applied by the automatic sample application mechanism 2, and then the applied sample is sent to the position below the objective lens of the microscope body 1 by the automatic sample feeding mechanism 3, so that the reaction device 5 is observed.

In an alternative embodiment, the direction of movement of the linear driving mechanism 33 is set to be the x-axis direction, the linear driving device drives the push plate 32 to move towards the x-axis direction, the push plate 32 comprises a first transverse push plate 321 and a first inclined push plate 322, the first transverse push plate 321 is in tail-to-tail connection with the first inclined push plate 322, and when the push plate 32 moves along the x-axis direction, the first inclined push plate 322 contacts the reaction device 5 and moves the reaction device 5 upwards. The linear driving means drives the push plate 32 to move along the x-axis, and the push plate 32 has a slope structure, and when the push plate 32 moves forward along the x-axis, the slope contacts the reaction device 5 and forces the reaction device 5 to move upward.

In a preferred embodiment, the highest portion of the first inclined push plate 322 is connected to the first transverse push plate 321, the highest portion of the first inclined push plate 322 is higher than the first transverse push plate 321, the highest portion of the first inclined push plate 322 has a protrusion with respect to the first transverse push plate 321, and after the push plate 32 is pushed to the rear of the reaction device 5, the reaction device 5 is located in front of the protrusion of the first inclined push plate 322 until the reaction device 5 loses contact with the first inclined push plate 322. When the pusher plate 32 moves to the rear of the reaction device 5 and loses contact with the reaction device 5 completely, the lowermost reaction device 5 falls just in front of the inclined surface protrusion.

When the reaction device 5 falls right in front of the inclined plane protrusion, the push plate 32 moves along the negative direction of the x-axis, and the protrusion between the first inclined push plate 322 and the first transverse push plate 321 pushes the lowest reaction device 5 to move along the negative direction of the x-axis, so that the penultimate reaction device 5 falls to the bottom after the bottom reaction device 5 moves due to the action of gravity. The push plate 32 pushes the lowest reaction device 5 to move along the negative direction of the x axis, after the lowest reaction device 5 is removed, the penultimate reaction device 5 falls to the bottom due to the action of gravity, and the function of automatically replacing the reaction device 5 can be realized by repeating the steps.

In a preferred embodiment, a plurality of hook-shaped protrusions are disposed on the upper case 411, and grooves are disposed at corresponding positions on the lower case 412, wherein the hook-shaped protrusions and the grooves can be mutually buckled and separated, and the hook-shaped protrusions slide longitudinally after being transversely drawn into the grooves, so that the upper case 411 and the lower case 412 can be buckled. Before the reaction device 5 to be inspected is replaced, the reaction device 5 is taken out from between the upper case 411 and the lower case 412.

The implementation principle of the embodiment of the application is as follows: in the working process, a plurality of reaction devices 5 are firstly arranged in the automatic reaction device replacing mechanism 4, the sample feeding mechanism can remove the reaction device 5 at the sending position, and then the replacing mechanism can automatically place the next reaction device 5 at the sending position. The sample feeding mechanism feeds the reaction device 5 to the filling level, and the sample application mechanism works to drop the sample onto the reaction device 5. The sample feeding mechanism continues to move, and the reaction device 5 is moved to the lower part of the automatic focusing mechanism. The mechanism drives the microscope to automatically focus, then the collected pictures are sent to a picture analysis system, the analysis system analyzes the pictures, and then the result is output to a user.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A microscopic examination mechanism for dry chemistry, comprising:

the microscope comprises a microscope body (1), wherein an objective lens capable of automatically focusing is arranged on the microscope body (1), a reaction device (5) to be observed is arranged below the objective lens, the objective lens achieves automatic focusing through an automatic focusing mechanism, and the objective lens after focusing is used for observing liquid to be detected in the reaction device (5);

the automatic sample application mechanism (2) is arranged on one side of the microscope body (1), and the automatic sample application mechanism (2) is used for automatically dripping liquid to be tested into the reaction device (5);

the automatic sample feeding mechanism (3) is positioned below the objective lens and the automatic sample application mechanism (2), and when the automatic sample feeding mechanism (3) is used, the reaction device (5) is moved from the automatic sample application mechanism (2) to the position below the objective lens, and the liquid to be detected in the reaction device (5) is focused and observed through the automatic focusing objective lens;

the automatic replacement mechanism (4) of the reaction device comprises a base (31), a clamping box (41) which is arranged on the base (31) and used for storing the reaction device (5) and is open at the bottom, a first inclined surface (42) which is arranged on the base (31) and used for guiding the reaction device (5) and is arranged below the clamping box (41), and a pushing plate (32) which pushes out the reaction device (5) in the clamping box (41).

2. A microscopic examination mechanism for dry chemistry as in claim 1, wherein: the automatic replacement mechanism (4) of the reaction device also comprises a clamping box (41), a linear driving mechanism (33) and a push plate (32); the cartridge (41) comprises an upper cartridge (411) and a lower cartridge (412), the upper cartridge (411) and the lower cartridge (412) are combined to form a complete cartridge (41), the cartridge (41) is used for placing a plurality of reaction devices (5), the upper cartridge (411) is arranged on the lower cartridge (412) in a sliding mode, a pushing structure is arranged on a base (31), the upper cartridge (411) is pushed up by the pushing structure, and the reaction devices (5) located below the cartridge (41) are pushed by a push plate (32) and are conveyed to an automatic sample application mechanism (2).

3. A microscopic examination mechanism for dry chemistry as in claim 2, wherein: the moving direction of the linear driving mechanism (33) is the x-axis direction, the linear driving device drives the pushing plate (32) to move towards the x-axis direction, the pushing plate (32) comprises a first transverse pushing plate (321) and a first inclined pushing plate (322), the first transverse pushing plate (321) is connected with the first inclined pushing plate (322) in a tail-to-tail mode, and when the pushing plate (32) moves along the x-axis direction, the first inclined pushing plate (322) is in contact with the reaction device (5) and enables the reaction device (5) to move upwards.

4. A dry chemical field microscopic examination mechanism according to claim 3, wherein: the highest position of the first inclined push plate (322) is connected with the first transverse push plate (321), the highest position of the first inclined push plate (322) is higher than the first transverse push plate (321), a bulge exists at the highest position of the first inclined push plate (322) relative to the first transverse push plate (321), and after the push plate (32) is pushed to the rear of the reaction device (5), the reaction device (5) is positioned in front of the bulge of the first inclined push plate (322) until the reaction device (5) loses contact with the first inclined push plate (322).

5. A microscopic examination mechanism for dry chemistry as claimed in claim 4, wherein: the push plate (32) moves along the negative direction of the x axis, and a protrusion between the first inclined push plate (322) and the first transverse push plate (321) pushes the lowest reaction device (5) to move along the negative direction of the x axis, and the penultimate reaction device (5) falls into the bottom after the bottom reaction device (5) moves due to the action of gravity.

6. A microscopic examination mechanism for dry chemistry fields according to claim 3, wherein: the upper box (411) is provided with a plurality of hook-shaped bulges, the corresponding positions on the lower box (412) are provided with grooves, the hook-shaped bulges and the grooves can be mutually buckled and separated, and the hook-shaped bulges transversely scratch into the grooves and then longitudinally slide the upper box (411), so that the upper box (411) and the lower box (412) can be buckled.

7. A microscopic examination mechanism for dry chemistry as in claim 1, wherein: the automatic focusing mechanism comprises a manual rough adjusting mechanism, an automatic fine adjusting mechanism and a Y-direction driving mechanism, and when the reaction device (5) is positioned right below the microscope body (1), the Y-direction driving mechanism drives the microscope to adjust the position so that a substance to be detected is positioned at the center of an objective lens of the microscope;

the region to be tested on the reaction device (5) is a fixed point location, and the x-axis coordinate and the Y-axis coordinate of the point to be tested are required to be recorded during the recording during the primary test.

8. A microscopic examination mechanism for dry chemistry as in claim 7, wherein: the manual rough adjusting mechanism comprises a rough adjusting hand-screwed bolt (13), a set screw and a microscope connecting plate, when focusing is carried out, a microscope screen image is observed, the hand-screwed bolt is manually screwed to the position with the clearest image, and then the set screw is screwed to fix the height of the microscope;

the bottom of the hand-screwed bolt is provided with a cam mechanism, the cam mechanism is electrically powered by an electrode, and when the electrode is in fine tuning, the cam mechanism is electrically powered by the electrode, and the cam rotates for a circle to drive the height of the manual coarse tuning mechanism to change.

9. A microscopic examination mechanism for dry chemistry as in claim 1, wherein: the automatic sample application mechanism (2) is fixed above the sample feeding mechanism, and the automatic sample application mechanism (2) comprises a sample application needle (21), a Y-direction moving mechanism (22) and a sample application lifting mechanism (23) for controlling the sample application needle (21) to lift; when the sample application device is used, the Y-direction moving mechanism (22) drives the sample application needle (21) to move to a liquid suction position to suck liquid to be tested, then the sample application needle moves to the position right above the reaction device (5), the sample application lifting mechanism (23) drives the sample application needle (21) to fall to a set height, a sample is injected onto the reaction device (5), and after the sample application needle (21) is restored.

10. A microscopic examination mechanism for dry chemistry as in claim 1, wherein: the automatic sample feeding mechanism (3) comprises a base (31), a push plate (32) and a linear driving mechanism (33), wherein the linear driving mechanism (33) drives the push plate (32) during operation, and the reaction device (5) moves along the direction of the x axis and the negative direction of the x axis under the action of the push plate (32).