CN217536018U - Hot cover module of full-automatic PCR fluorescent quantitative analyzer - Google Patents

Abstract

The utility model discloses a hot cover module of an automatic PCR fluorescence quantitative analyzer, which comprises a hot cover component and a bracket component, the bracket component includes a bracket main body, a sample tube placement plate is installed on the bracket main body, and the hot cover The assembly is arranged above the sample tube placing plate; the bracket body is provided with opening and closing guide rods respectively located on both sides of the sample tube placing plate, and the hot cover assembly is slidingly matched with the opening and closing guide rods; It also includes a hot-lid opening and closing mechanism for driving the hot-lid assembly to move along the opening and closing guide rod to cover the sample tube placing plate or to open from the sample tube placing plate. The hot-lid module of the automatic PCR fluorescence quantitative analyzer of the utility model drives the hot-lid assembly to move relative to the main body of the bracket along the opening and closing guide rod, so as to realize the opening and closing between the hot-lid assembly and the sample tube placing plate. The existing hinge-type opening and closing method occupies less space and has a simpler structure.

Description

Automatic PCR Fluorescence Quantitative Analyzer Hot Lid Module

technical field

The utility model belongs to the technical field of medical devices, in particular to a hot cover module of an automatic PCR fluorescence quantitative analyzer.

Background technique

At present, most of the existing analyzers adopt a flip-up structure to realize the opening and closing of the hot cover to the reaction base, and the flip-type heat cover usually relies on a hinge torsion spring to connect with the reaction base. For example, Chinese Patent Publication No. CN212152337U discloses a thermal cover for automatic PCR, including a PCR box body, and a PCR thermal cover is hingedly connected to the PCR box body; A fixing frame, a rotating motor is fixed on the nut on the fixing frame, the rotating shaft of the rotating motor is connected with the hinge shaft, and a locking rotating shaft is sleeved and fixed on the rotating shaft of the rotating motor; the lower end of the fixing frame is also A fixed bottom plate is installed, the fixed bottom plate nut is fixed on the PCR box body, a fixed bracket is fixed on the nut on the fixed bottom plate, and a locking linear screw motor is fixed on the fixed bracket nut, and the locking linear screw The lever motor locking lever goes up through the mounting bracket.

The automatic PCR heating cover adopts a rotary motor and a linear screw motor to drive the rotation and locking of the PCR heating cover. Although it can meet the technical purpose of automatic flipping and locking of the PCR heating cover to a certain extent, it adopts two The motor has a complex structure and is not conducive to subsequent maintenance. In addition, the existing flip-type hot cover also has the problem that the space required for operation is relatively large, which is not conducive to the layout design of the internal space of the analyzer.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present utility model is to provide a hot cover module of an automatic PCR fluorescence quantitative analyzer, which can not only meet the requirements of opening and closing, but also has the advantages of simple structure and small occupied space.

To achieve the above object, the utility model provides the following technical solutions:

A fully automatic PCR fluorescence quantitative analyzer hot cover module includes a hot cover assembly and a bracket assembly, the bracket assembly includes a bracket main body, a sample tube placement plate is installed on the bracket main body, and the hot cover assembly is arranged on the Above the sample tube placement plate; the bracket body is provided with opening and closing guide rods respectively located on both sides of the sample tube placing plate, and the hot cover assembly is slidingly matched with the opening and closing guide rods;

It also includes a hot-lid opening and closing mechanism for driving the hot-lid assembly to move along the opening and closing guide rod to cover the sample tube placing plate or to open from the sample tube placing plate.

Further, the hot lid opening and closing mechanism includes a linear track for guiding the movement of the bracket body, a hot lid track for guiding the movement of the hot lid assembly, and a hot lid track for driving the bracket body to move along the linear track The linear drive mechanism;

The hot lid track includes a first hot lid track and a second hot lid track parallel to the linear track, and the distance between the first hot lid track and the linear track is greater than the second hot lid track and the The distance between the linear rails, a connecting section is provided between the first section of the hot cover rail and the second section of the hot cover rail;

When the hot-lid assembly is located on the first section of the hot-lid track, the hot-lid assembly is located above the sample tube placement plate; when the hot-lid assembly is located on the second section of the hot-lid track, the hot lid assembly A heated lid assembly covers the sample tube placement plate.

Further, a bracket position detection component for detecting the moving position of the bracket body on the linear track is provided between the bracket body and the linear track.

Further, the linear drive mechanism includes a first pulley and a second pulley respectively located at both ends of the linear track, a transmission belt is sleeved between the first pulley and the second pulley, and the transmission belt is connected to the The bracket body is fixedly connected, and the linear drive mechanism further includes a drive motor for driving the first pulley or the second pulley to rotate.

Further, two sides of the bracket body are respectively provided with guide plates, and the linear track and the hot cover track are respectively arranged on the guide plates; A bottom plate is arranged under the plate, the linear track is arranged on the bottom plate, and the hot cover track is arranged on the guide plate.

Further, the hot lid track is a guide groove formed on the guide plate, and the hot lid assembly is provided with a guide shaft matched with the guide groove.

Further, the guide shaft is mounted with a bearing that is in rolling fit with the guide groove.

Further, the hot cover assembly is provided with a linear bearing matched with the opening and closing guide rod.

Further, the opening and closing guide rod and the linear track are perpendicular to each other.

Further, the included angle between the connecting section and the hot cover track section is 110-150°.

Further, the rack body is provided with an in-out bin track and a movable bracket slidably matched with the in-out bin track, the sample tube placement plate is mounted on the movable bracket, and the bracket main body is provided with a drive for driving the The movable bracket moves along the track in and out of the bin to drive the sample tube placing plate to extend or retract from below the heated lid assembly to an in and out bin drive mechanism under the heated lid assembly.

Further, the drive mechanism for entering and exiting the warehouse includes a threaded screw rod parallel to the track for entering and exiting the warehouse, the movable bracket is provided with a nut seat that is threadedly matched with the threaded screw rod, and the main body of the bracket is provided with a threaded rod for driving the The screw motor that rotates the threaded screw.

Further, between the movable bracket and the bracket main body, a position detection component for detecting the moving position of the movable bracket is provided.

Further, a sample holder that moves synchronously therewith is installed on the movable holder, the sample tube placement plate is installed on the sample holder, and the sample holder is provided with a holder heating film located below the sample tube placement plate, The sample holder is made of heat insulating material.

Further, the warehouse entry and exit rails and the linear rails are parallel to each other.

The beneficial effects of the present utility model are:

In the hot cover module of the automatic PCR fluorescence quantitative analyzer of the utility model, the opening and closing guide rods located on both sides of the sample tube placing plate are arranged on the main body of the bracket, and the hot cover assembly is installed on the opening and closing guide rod, and can follow the opening and closing guide rods. The opening and closing guide rods move, in this way, the heated lid assembly is driven to move downward relative to the bracket body along the opening and closing guide rods, so that the heated lid assembly can be covered on the sample tube placement plate, and the heated lid assembly is driven relative to the bracket body along the opening and closing guide rods. When the opening and closing guide rods move upward, the heated lid assembly can be opened from the sample tube placement plate; that is, the heated lid assembly can be opened and closed with the sample tube placement plate by translating along the opening and closing guide rod. The existing hinge-type opening and closing method takes up less space and has a simpler structure.

The utility model also has the following technical effects:

1) By arranging a linear track that slides with the support body and a hot cover track that cooperates with the heat cover assembly in the heat cover opening and closing mechanism, when the linear drive mechanism drives the support body to move along the linear track, the sample can be driven to enter. Different temperature zones are used to realize thermal circulation; under the action of the opening and closing guide rods, the hot lid assembly also moves in a direction parallel to the linear track, and at the same time, under the guidance of the hot lid track, the hot lid assembly is in a section of the hot lid track. It also moves in a direction perpendicular to the linear track between the second section of the hot cover track, that is, the hot cover assembly can move downward relative to the main body of the bracket along the opening and closing guide rod or between the first section of the hot cover track and the second section of the hot cover track. Move up to achieve the technical purpose of covering the heated lid assembly on the sample tube placement plate or opening the heated lid from the sample tube placement plate.

2) By setting the in-out bin track on the main body of the bracket, and installing the movable bracket on the in-out bin track, in this way, the movable bracket can be driven to move along the in-out bin track by the in-out bin drive mechanism, because the sample tube placement plate is installed on the movable bracket. and then drive the sample tube placement plate to move along the track of the entry and exit compartments, so that the sample tube placement plate can be exposed from the bottom of the hot cover, so that the sample tube can be easily taken and placed. After the sample tube is taken and placed, the sample tube can be placed. Plate back under the heated lid.

3) By setting the sample holder on the movable holder, and setting the holder heating film under the sample tube placement plate on the sample holder, the technical purpose of heating the sample placed on the sample tube placement plate can be achieved; Made of insulating material, it prevents heat diffusion from affecting other components.

Description of drawings

In order to make the purpose, technical solutions and beneficial effects of the present utility model clearer, the present utility model provides the following accompanying drawings for description:

Fig. 1 is the right side view of the hot cover module embodiment of the automatic PCR fluorescence quantitative analyzer of the utility model;

Fig. 2 is the left side view of the hot cover module of the automatic PCR fluorescence quantitative analyzer of the present embodiment;

Figure 3 is a schematic structural diagram of a guide plate;

4 is a schematic structural diagram of a thermal cover assembly;

5 is a schematic structural diagram of a bracket assembly;

Figure 6 is an isometric view of the bracket assembly.

Description of reference numbers:

10-Hot lid; 11-Hot lid rack; 12-Hot lid guide rod; 13-Spring; 14-Hot lid cover plate; 15-Hot lid heat shield; 16-Temperature sensor;17-Guide shaft;18-Bearing ;19-Linear bearing;

20-bracket body; 21-sample tube placement plate; 22-opening and closing guide rod; 23-in and out bin track; 24-movable bracket; 25-threaded screw; 26-nut seat; 27-screw motor; 28-section Two optocoupler sensors; 29- the second light shield; 30- sample holder; 31- top plate;

41-Linear track; 42-Hot lid track; 42a-Hot lid track 1; 42b-Hot lid track 2; 42c-Connecting segment; 43- The first optocoupler sensor; 44- The first light blocking plate; One pulley; 46-second pulley; 47-transmission belt; 48-drive motor; 49-guide plate; 49a-base plate.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and implement it, but the examples are not intended to limit the present utility model.

As shown in FIG. 1 and FIG. 2 , the hot-lid module of the automatic PCR fluorescence quantitative analyzer of this embodiment includes a hot-lid assembly and a bracket assembly. The bracket assembly of this embodiment includes a bracket body 20 , a sample tube placement plate 21 is mounted on the bracket body 20 , and the hot cover assembly is disposed above the sample tube placement plate 21 . The holder main body 20 is provided with opening and closing guide rods 22 respectively located on both sides of the sample tube placing plate 21 , and the hot lid assembly is slidingly matched with the opening and closing guide rods 22 , so that the hot lid assembly can be relative to the sample along the opening and closing guide rod 22 . The tube placement plate 21 moves to cover or open from the sample tube placement plate 21 .

In order to drive the hot lid assembly to move relative to the sample tube placement plate 21 along the opening and closing guide rod 22, the hot lid module of the fully automatic PCR fluorescence quantitative analyzer of this embodiment includes a bracket assembly and also includes a support assembly for driving the hot lid assembly along the opening and closing. The guide rod 22 is moved to make the hot lid assembly cover the sample tube placing plate 21 or a hot lid opening and closing mechanism that is opened from the sample tube placing plate 21 . The hot cover opening and closing mechanism can be implemented in various ways, such as directly arranging an air cylinder, an electric cylinder, a threaded screw mechanism and a rack and pinion mechanism on the bracket body 20 for driving the hot cover assembly to move along the opening and closing guide rod 22 , etc. . The hot lid opening and closing mechanism of this embodiment includes a linear track 41 for guiding the movement of the bracket body 20 , a hot lid track 42 for guiding the movement of the hot lid assembly, and a linear drive for driving the bracket body 20 to move along the linear track 41 mechanism. Specifically, two sides of the bracket body 20 in this embodiment are respectively provided with guide plates 49 , a bottom plate 49 a is provided below the guide plate 49 , the linear track 41 is provided on the bottom plate 49 a , and the hot cover track 42 is provided on the guide plate 49 . Of course, in some other embodiments, the guide plates 49 may be provided only on both sides of the bracket body 20 , and in this case, the linear track 41 and the hot cover track 42 may be respectively provided on the guide plates 49 . The hot lid track 42 includes a first hot lid track 42a and a second hot lid track 42b that are parallel to the linear track 41. The distance between the first hot lid track 42a and the linear track 41 is greater than that between the second hot lid track 42b and the linear track 41. The distance between the first section 42a of the hot cover track and the second section 42b of the hot cover track is provided with a connecting section 42c, so that when the linear drive mechanism drives the bracket body 20 to move along the linear track 41, the position of the hot cover assembly Moving between the first section 42a of the hot cover track and the second section 42b of the hot cover track, that is, the hot cover assembly not only moves along the linear track 41 with the bracket body 20, but also can move along the opening and closing guide rod under the action of the hot cover track 42. 22 moves. When the hot-lid assembly is located on the first section 42a of the hot-lid track, the hot-lid assembly is located above the sample tube placing plate 21, that is, the hot-lid assembly is in the open state; when the hot-lid assembly is located on the second section 42b of the hot-lid track, The hot lid assembly is covered on the sample tube placement plate 21, that is, the hot lid assembly is in a closed state at this time. When the heated lid assembly moves within the connecting section 42c, the heated lid assembly and the sample tube placement plate 21 are in a state of open or closed process change. In the preferred solution of this embodiment, the included angle between the connecting section 42c and the first section 42a of the hot lid track is 110-150°, and the included angle between the connecting section 42c and the first section 42a of the hot lid track in this embodiment is 135° , the running of the hot lid assembly between the first section 42a of the hot lid track and the second section 42b of the hot lid track can be made more stable. When the included angle between the connection section 42c and the hot cover rail section 42a is less than 110°, the hot cover assembly will be difficult to move in the vertical direction, increasing the motor load; When the included angle is greater than 150°, the movement stroke of the thermal cover assembly in the horizontal direction will be increased.

As shown in FIG. 2 , in order to detect the position where the bracket body 20 moves along the linear rail 41 , a bracket position detection component for detecting the position of the bracket body 20 is also provided between the linear rail 41 and the bracket body 20 . The bracket position detection component can be implemented in various existing ways, such as displacement sensors. The bracket position detection assembly of this embodiment includes first optocoupler sensors 43 respectively disposed on both ends of the linear track 41 . The two first optocoupler sensors 43 are respectively corresponding to the first section 42a of the hot cover track and the second section 42b of the hot cover track. In this way, through the two first optocoupler sensors 43, it can be determined that the bracket body 20 is located at the first section 42a of the hot cover track or the second section 42b of the hot cover track. on the second track section 42b, so that it can be judged whether the hot cover assembly is covered on the sample tube placing plate 21. Of course, in some embodiments, the position of the rack body 20 is detected by the rack position detection component, so that the temperature for heating the sample in the sample tube placement plate 21 can also be adjusted according to the position of the rack body 20, which will not be described again. As shown in FIG. 3 , the linear drive mechanism of this embodiment includes a first pulley 45 and a second pulley 46 located at both ends of the linear track 41 respectively, and a transmission belt is sleeved between the first pulley 45 and the second pulley 46 47. The transmission belt 47 is fixedly connected to the bracket main body 20. The linear drive mechanism further includes a drive motor 48 for driving the first pulley 45 or the second pulley 46 to rotate. The drive motor 48 in this embodiment adopts a stepping motor. Of course, the linear drive mechanism can also be implemented in various existing ways, which will not be described repeatedly.

As shown in FIG. 3 , the linear rail 41 of this embodiment is fixedly installed on the bottom plate 49 a , the linear rail 49 is provided with a linear slider 50 slidably matched with the linear rail 49 , and the bracket body 20 is fixedly connected to the linear slider 50 . Of course, the transmission belt 47 in this embodiment is also fixedly connected to the linear slider 50 , that is, the transmission belt 47 is fixedly connected to the bracket main body 20 through the linear slider 50 . In this embodiment, the hot cover rail 42 is a guide groove formed on the guide plate 49 . As shown in FIG. 4 , the hot cover assembly is provided with a guide shaft 17 which is matched with the guide groove. In order to reduce the friction force between the guide shaft 17 and the hot cover rail 42 , in this embodiment, a bearing 18 that is in rolling fit with the guide groove is installed on the guide shaft.

Since in this embodiment, the opening and closing is realized by controlling the up and down movement of the heated lid assembly relative to the sample tube placement plate 21, so that the heated lid assembly is always located above the sample tube placement plate 21, which may cause inconvenience in taking and placing the sample tubes. . In view of this, the holder main body 20 of the present embodiment is provided with an access rail 23 and a movable holder 24 slidingly matched with the access rail 23, the sample tube placing plate 21 is installed on the movable holder 24, and the holder main body 20 is provided with a The movable bracket 24 is driven to move along the access rail 23 to drive the sample tube placing plate 21 to extend or retract from below the heated lid assembly to the access chamber drive mechanism under the heated lid assembly. In this way, the movable bracket 24 is driven to move along the track 23 of the in-out compartment by the in-out compartment drive mechanism, so that the sample tube placement plate 21 can be protruded from the bottom of the heated lid assembly, that is, the sample tube placement plate 21 and the heated lid assembly can be dislocated so as to facilitate the samples Tube pick and place. Of course, after the sample tube placement is completed, the sample tube placement plate 21 can also be driven to retract below the thermal lid assembly. The drive mechanism for entering and exiting the bin in this embodiment is essentially a linear drive mechanism, which can be realized by various existing methods, such as a rack and pinion mechanism, a threaded screw mechanism, a belt transmission mechanism, and the like. As shown in FIGS. 5 and 6 , the drive mechanism for entering and exiting the warehouse in this embodiment includes a threaded lead screw 25 parallel to the entry and exit track 23 , and the movable bracket 24 is provided with a nut seat 26 that is threadedly matched with the threaded lead screw 25 . A lead screw motor 27 for driving the threaded lead screw 25 to rotate is installed on the 20, that is, the drive mechanism for entering and exiting the bin in this embodiment adopts a threaded lead screw mechanism. In order to detect the moving position of the movable bracket 24 along the in-out bin track 23 , a bin-in-out position detection component for detecting the moving position of the movable bracket 24 is provided between the bracket main body 20 and the movable bracket 24 in this embodiment. The component for detecting the position of entering and leaving the warehouse can be realized by various existing methods, such as displacement sensors. In this embodiment, a second photocoupler sensor 28 is provided on the bracket main body 20 , and a second light blocking plate 29 for matching with the second photocoupler sensor 28 is provided on the movable bracket 24 . Two second optocoupler sensors 28 are provided, and the two second optocoupler sensors 28 are respectively used to detect the two position states of the sample tube placement plate 21 being out of the bin and in the bin. In this embodiment, the warehouse entry and exit rails 23 and the linear rails 41 are parallel to each other.

Further, in order to improve the heating effect of the sample, a bracket heating film can also be arranged in the bracket assembly, and a heat insulation structure can be configured at the same time. In this embodiment, a sample holder 30 that moves synchronously therewith is installed on the movable holder 24, the sample tube placement plate 22 is installed on the sample holder 30, and the sample holder 30 is provided with a holder heating film located under the sample tube placement plate 21. The holder 30 is made of heat-insulating material. In this way, the sample holder 30 is separately arranged on the movable holder 24 and the sample holder 30 is made of heat-insulating material, which can reduce the usage of heat-insulating material, save costs, and satisfy the requirement of heating the sample. and the technical purpose of placing heat diffusion.

Specifically, as shown in FIG. 4 , the thermal cover assembly of this embodiment includes a thermal cover 10 . At this time, the heating lid 10 can be slidably matched with the opening and closing guide rod 22, and the guide shaft and the bearing 18 can be arranged on the heating lid 10, that is, under the guiding action of the heating lid track 42, the heating lid 10 can be directly driven to be placed relative to the sample tube The plate 21 moves to realize opening and closing. Of course, in order to avoid rigid collision between the thermal lid 10 and the sample tube placement plate 21, a rubber pad or the like may be provided on the bottom surface of the thermal lid 10, which will not be described again. In order to improve the heating effect of the sample, the hot lid 10 can also be divided into a hot lid cover plate 14 and a hot lid heat shield plate 15 located above the hot lid cover plate 14. The hot lid cover plate 14 and the hot lid heat shield plate There is a heating cover heating film between 15. The heat generated by the heating cover heating film heats the sample placed on the sample tube placing plate 21 through the heating cover cover plate 14. At the same time, the heat cover insulation plate 15 can also prevent the influence of heat diffusion. other components. The thermal cover 10 is also provided with a temperature sensor 16 for measuring the temperature of the thermal cover cover 14 and an over-temperature protection switch arranged on the heating circuit of the thermal cover heating film, so as to realize real-time monitoring of the temperature of the thermal cover cover 14, When the temperature of the hot cover plate 14 is too high, the overheating protection switch is used to automatically cut off the heating circuit to realize the overheating protection function. At this time, the heat shield heat shield plate 15 can be slidably matched with the opening and closing guide rod 22 , and the guide shaft and the bearing 18 can be arranged on the heat shield heat shield plate 15 .

Of course, as shown in FIG. 4 , in this embodiment, the hot lid assembly further includes a hot lid upper frame 11 located above the hot lid 10 , a hot lid guide rod 12 is provided between the hot lid 10 and the hot lid upper frame 11 , and the hot lid guides One end of the rod 12 is fixedly connected with the hot cover 10, and the other end is slidably fitted with the hot cover upper frame 11. The hot cover guide rod 12 is sleeved with a spring 13 located between the hot cover 10 and the hot cover upper frame 11. This embodiment In the middle, the upper frame 11 of the heat cover is slidably matched with the two guide rods 22 for opening and closing, and the upper frame 11 for the heat cover is provided with a linear bearing 19 which cooperates with the guide rods 22 for opening and closing. Both the guide shaft and the bearing 18 are arranged on the heat cover upper frame 11 , that is, the heat cover assembly of this embodiment is matched with the heat cover rail 42 through the heat cover upper frame 11 . Under the driving action of the heated lid upper rack 11 moving along the opening and closing guide rods 12, the heated lid 10 can be driven to move relative to the sample tube placement plate 21, that is, the heated lid 10 can be driven to cover the sample tube placement plate 21 or be removed from the sample tube placement plate 21. Place plate 21 open. By arranging the hot-lid guide rod 12 between the hot-lid upper rack 11 and the hot-lid 10, and arranging the spring 13 on the hot-lid guide rod 12, not only the rigid collision between the hot-lid 10 and the sample tube placement plate 21 can be avoided, but also When the thermal lid upper rack 11 moves downward relative to the holder body 20 along the opening and closing guide rods 22, after the thermal lid 10 contacts the sample tube placement plate 21, the thermal lid 10 can be driven to continue to move downward and compress the spring 13, The hot lid 10 is pressed and fixed on the sample tube placing plate 21 by the elastic force of the spring 13 , so that the hot lid 10 and the sample tube placing plate 21 can be adaptively pressed and fixed. In this embodiment, the sample tube placing plate 21 is placed horizontally, and the opening and closing guide rods 22 are located in the vertical direction. The rod 22 and the linear rail 41 are perpendicular to each other.

The above-mentioned embodiments are only preferred embodiments for fully explaining the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present utility model is subject to the claims.

Claims (15)

1. The utility model provides a full-automatic PCR fluorescence quantitative analysis appearance hot lid module which characterized in that: the sample tube placing device comprises a heat cover assembly and a bracket assembly, wherein the bracket assembly comprises a bracket main body (20), a sample tube placing plate (21) is installed on the bracket main body (20), and the heat cover assembly is arranged above the sample tube placing plate (21); the bracket main body (20) is provided with opening and closing guide rods (22) which are respectively positioned at two sides of the sample tube placing plate (21), and the hot cover component is in sliding fit with the opening and closing guide rods (22);

and a thermal cover opening and closing mechanism for driving the thermal cover assembly to move along the opening and closing guide rod (22) to cover on the sample tube placing plate (21) or open from the sample tube placing plate (21).

2. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 1, wherein: the hot cover opening and closing mechanism comprises a linear track (41) for guiding the support main body (20) to move, a hot cover track (42) for guiding the hot cover assembly to move and a linear driving mechanism for driving the support main body (20) to move along the linear track (41);

the hot cover track (42) comprises a hot cover track section (42 a) and a hot cover track section (42 b) which are parallel to the linear track (41), the distance between the hot cover track section (42 a) and the linear track (41) is larger than the distance between the hot cover track section (42 b) and the linear track (41), and a connecting section (42 c) is arranged between the hot cover track section (42 a) and the hot cover track section (42 b) to be communicated;

when the heat cover assembly is positioned on a section (42 a) of the heat cover track, the heat cover assembly is positioned above the sample tube positioning plate (21); when the thermal cover assembly is positioned on the thermal cover track segment (42 b), the thermal cover assembly covers the sample tube placement plate (21).

3. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 2, wherein: and a support position detection assembly for detecting the moving position of the support main body (20) on the linear track (41) is arranged between the support main body (20) and the linear track (41).

4. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 2, wherein: the linear driving mechanism comprises a first belt wheel (45) and a second belt wheel (46) which are respectively positioned at two ends of the linear track (41), a transmission belt (47) is sleeved between the first belt wheel (45) and the second belt wheel (46), the transmission belt (47) is fixedly connected with the support main body (20), and the linear driving mechanism further comprises a driving motor (48) which is used for driving the first belt wheel (45) or the second belt wheel (46) to rotate.

5. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 2, wherein: guide plates (49) are respectively arranged on two sides of the support main body (20), and the linear track (41) and the hot cover track (42) are respectively arranged on the guide plates (49); or guide plates (49) are respectively arranged on two sides of the support main body (20), a bottom plate is arranged below the guide plates, the linear track (41) is arranged on the bottom plate, and the hot cover track (42) is arranged on the guide plates (49).

6. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 5, wherein: the hot cover track (42) is a guide groove formed in the guide plate (49), and a guide shaft matched with the guide groove is arranged on the hot cover assembly.

7. The thermal cover module of the fully automatic PCR fluorescent quantitative analyzer according to claim 6, wherein: and a bearing (18) in rolling fit with the guide groove is arranged on the guide shaft.

8. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 1, wherein: the hot cover component is provided with a linear bearing (19) matched with the opening and closing guide rod (22).

9. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 2, wherein: the opening and closing guide rod (22) is perpendicular to the linear track (41).

10. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 2, wherein: the angle between the connecting section (42 c) and the hot lid track section (42 a) is 110-150 °.

11. The fully automatic PCR fluorescence quantitative analyzer thermal cover module according to any one of claims 1 to 10, wherein: be equipped with on support main part (20) and pass in and out storehouse track (23) and with pass in and out storehouse track (23) sliding fit's movable support (24), sample tube is placed board (21) and is installed on movable support (24), be equipped with on support main part (20) and be used for the drive movable support (24) along pass in and out storehouse track (23) remove in order to drive sample tube is placed board (21) and is followed heat cap subassembly below is stretched out or is retracted to pass in and out storehouse actuating mechanism below the heat cap subassembly.

12. The thermal cover module of the fully automatic PCR fluorescence quantitative analyzer according to claim 11, wherein: the warehouse inlet and outlet driving mechanism comprises a threaded screw rod (25) parallel to the warehouse inlet and outlet rail (23), a nut seat (26) in threaded fit with the threaded screw rod (25) is arranged on the movable support (24), and a screw rod motor (27) used for driving the threaded screw rod (25) to rotate is installed on the support main body (20).

13. The thermal cover module of the fully automatic PCR fluorescence quantitative analyzer according to claim 12, wherein: a warehouse in and out position detection assembly used for detecting the moving position of the movable support (24) is arranged between the movable support (24) and the support main body (20).

14. The thermal cover module of the fully automatic PCR fluorescence quantitative analyzer according to claim 11, wherein: the movable support (24) is provided with a sample support (30) which moves synchronously with the movable support, the sample tube placing plate (21) is arranged on the sample support (30), a support heating film positioned below the sample tube placing plate (21) is arranged on the sample support (30), and the sample support (30) is made of a heat insulating material.

15. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 11, wherein: the hot cover opening and closing mechanism comprises a linear track (41) for guiding the support main body (20) to move, a hot cover track (42) for guiding the hot cover assembly to move and a linear driving mechanism for driving the support main body (20) to move along the linear track (41); the warehouse inlet and outlet rail (23) is parallel to the linear rail (41).

Images