CN218372309U - Full-automatic PCR fluorescence quantitative analyzer hot cover assembly and hot cover module - Google Patents

Abstract

The utility model discloses a full-automatic PCR fluorescence quantitative analysis appearance hot cover subassembly, cover the frame including hot lid and the heat that is located hot lid top, hot lid covers to be equipped with hot lid guide arm between the frame with heat, and the one end and the hot lid fixed connection of hot lid guide arm, the other end and the heat cover sliding fit between the frame, the suit is equipped with the spring that is located hot lid and hot lid between the frame on the hot lid guide arm. The utility model also discloses a full-automatic PCR fluorescence quantitative analyzer hot cover module, which comprises a bracket component, wherein the bracket component comprises a bracket main body, a sample tube placing plate is arranged on the bracket main body, and the hot cover component is arranged above the sample tube placing plate; the bracket main body is provided with opening and closing guide rods which are respectively positioned at two sides of the sample tube placing plate, and the upper frame of the thermal cover is in sliding fit with the opening and closing guide rods; the sample tube placing plate is provided with a sample tube placing plate, and the sample tube placing plate is provided with a sample tube placing plate opening and closing mechanism.

Description

Full-automatic PCR fluorescence quantitative analyzer hot cover assembly and hot cover module

Technical Field

The utility model belongs to the technical field of medical instrument, specific be a full-automatic PCR fluorescence quantitative analysis appearance hot lid subassembly and hot lid module.

Background

At present, the existing analyzers mostly adopt a turnover structure to realize the opening and closing of the thermal cover on the reaction base, and the turnover thermal cover is usually connected with the reaction base by a hinge torsion spring. For example, the chinese patent with publication No. CN212152337U discloses a full-automatic PCR hot lid, which comprises a PCR box body, wherein the PCR box body is also hinged with a PCR hot lid; a fixing frame is welded at the hinged position of the PCR hot cover, a rotating motor is fixed on the fixing frame through a nut, a rotating shaft of the rotating motor is connected with the hinged shaft, and a locking rotating shaft is further fixedly sleeved on the rotating shaft of the rotating motor; the fixing support is characterized in that a fixing bottom plate is further mounted at the lower end of the fixing support, a nut of the fixing bottom plate is fixed on the PCR box body, a fixing support is fixed on the nut of the fixing bottom plate, a locking linear screw rod motor is fixed on the nut of the fixing support, and a locking rod of the locking linear screw rod motor upwards penetrates through the fixing support.

This be used for full-automatic PCR hot lid adopts rotation motor and linear screw motor to drive PCR hot lid respectively and rotates and lock, though can satisfy the automatic upset of PCR hot lid and the technical purpose of locking to a certain extent, nevertheless adopts two motors, has the structure complicacy and is unfavorable for the problem of later maintenance. In addition, the existing turnover type hot cover also has the problem of large space required during working, and is not beneficial to the layout design of the inner space of the analyzer.

Disclosure of Invention

In view of this, the utility model aims at providing a full-automatic PCR fluorescence quantitative analysis appearance hot lid subassembly and hot lid module not only can satisfy and realize opening and shutting, has simple structure, advantage that occupation space is little moreover.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model discloses at first provide a hot lid subassembly of full-automatic PCR fluorescence quantitative analyzer, cover the upper bracket including hot lid and the heat that is located hot cover top, hot lid with be equipped with hot lid guide arm between the hot cover upper bracket, the one end of hot lid guide arm with hot lid fixed connection, the other end with sliding fit between the hot cover upper bracket, the suit is equipped with and is located on the hot lid guide arm hot lid with spring between the hot cover upper bracket.

Furthermore, the heat cover comprises a heat cover plate and a heat cover heat insulation plate positioned above the heat cover plate, and a heat cover heating film is arranged between the heat cover plate and the heat cover heat insulation plate.

Further, the hot lid still includes the temperature sensor that is used for measuring hot lid apron temperature and sets up hot lid adds on the heating circuit of hotting mask excess temperature protection switch.

The utility model also provides a full-automatic PCR fluorescence quantitative analyzer hot cover module, including the bracket component, the bracket component includes the bracket main part, install sample tube placing plate on the bracket main part, the sample tube placing plate is provided with above the hot cover subassembly as above; the bracket main body is provided with opening and closing guide rods which are respectively positioned at two sides of the sample tube placing plate, and the upper hot cover frame is in sliding fit with the opening and closing guide rods;

the sample tube placing plate is provided with a sample tube placing plate, and the sample tube placing plate is provided with a sample tube placing plate opening and closing mechanism for opening and closing the sample tube placing plate.

Further, the hot cover opening and closing mechanism comprises a linear rail for guiding the support body to move, a hot cover rail for guiding the hot cover to move on the support, and a linear driving mechanism for driving the support body to move along the linear rail;

the hot cover track comprises a first hot cover track section and a second hot cover track section which are parallel to the linear track, the distance between the first hot cover track section and the linear track is larger than the distance between the second hot cover track section and the linear track, and a connecting section is arranged between the first hot cover track section and the second hot cover track section for communication;

when the thermal cover upper rack is positioned on one section of the thermal cover track, the thermal cover is positioned above the sample tube placing plate; when the thermal cover upper rack is positioned on the thermal cover track two sections, the thermal cover covers the sample tube placing plate.

Further, a support position detection assembly for detecting the moving position of the support main body on the linear track is arranged between the support main body and the linear track.

Further, the linear driving mechanism comprises a first belt wheel and a second belt wheel which are respectively positioned at two ends of the linear track, a transmission belt is sleeved between the first belt wheel and the second belt wheel and fixedly connected with the support main body, and the linear driving mechanism further comprises a driving motor for driving the first belt wheel or the second belt wheel to rotate.

Furthermore, guide plates are respectively arranged on two sides of the support main body, and the linear track and the hot cover track are respectively arranged on the guide plates; or, the both sides of support main part are equipped with the deflector respectively, the below of deflector is equipped with the bottom plate, the straight line track sets up on the bottom plate, hot lid track sets up on the deflector.

Furthermore, the hot cover track is a guide groove formed in the guide plate, and a guide shaft matched with the guide groove is arranged on the hot cover upper frame.

Further, a bearing in rolling fit with the guide groove is installed on the guide shaft.

Further, a linear bearing matched with the opening and closing guide rod is arranged on the upper hot cover frame.

Furthermore, the hot cover guide rod and the opening and closing guide rod are parallel to each other, and the opening and closing guide rod and the linear rail are perpendicular to each other.

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

Furthermore, the support body is provided with a warehouse inlet and outlet rail and a movable support in sliding fit with the warehouse inlet and outlet rail, the sample tube placing plate is installed on the movable support, and the support body is provided with a warehouse inlet and outlet driving mechanism which is used for driving the movable support to move along the warehouse inlet and outlet rail so as to drive the sample tube placing plate to extend out of or retract into the warehouse inlet and outlet driving mechanism below the heat cover.

Furthermore, the warehouse inlet and outlet driving mechanism comprises a threaded screw rod parallel to the warehouse inlet and outlet rail, a nut seat in threaded fit with the threaded screw rod is arranged on the movable support, and a screw rod motor used for driving the threaded screw rod to rotate is installed on the support main body.

Further, a warehouse in and out position detection assembly used for detecting the moving position of the movable support is arranged between the movable support and the support main body.

Further, a sample support which moves synchronously with the movable support is mounted on the movable support, the sample tube placing plate is mounted on the sample support, a support heating film located below the sample tube placing plate is arranged on the sample support, and the sample support is made of a heat insulating material.

Further, the warehouse inlet and outlet rail is parallel to the linear rail.

The beneficial effects of the utility model reside in that:

the utility model discloses a full-automatic PCR fluorescence quantitative analysis appearance heat covers module, through set up the opening and shutting guide arm that is located sample tube and places the board both sides on the support main part, and cover the heat of heat lid subassembly and put up and install on opening and shutting guide arm and can move along opening and shutting guide arm, so, drive heat and cover the frame and cover and put up and move down along opening and shutting guide arm for the support main part, can cover the heat lid on the sample tube places the board, drive heat and cover the frame and move up along opening and shutting guide arm for the support main part, can open the heat lid from the sample tube places the board; the hot lid adopts and places the realization along the mode and the sample tube that open and shut of opening and shutting the guide arm translation and open and shut between the board promptly, compares in current hinge type mode of opening and shutting, and occupation space is little and the structure is simpler.

The utility model discloses a full-automatic PCR fluorescence quantitative analysis appearance hot lid subassembly, through set up hot lid guide arm between hot lid and hot lid upper bracket, and the suit sets up the spring on hot lid guide arm, so, not only can avoid hot lid and sample tube to place and take place rigid collision between the board, and when hot lid upper bracket for the support main part along opening and shutting guide arm court downwardly movement, place the board contact back at hot lid and sample tube, still can drive hot lid and continue downstream and compression spring, the elasticity that utilizes the spring is fixed hot lid pressure fastening on the board is placed to the sample tube, it can the self-adaptation compress tightly fixedly to make hot lid and sample tube place between the board.

The utility model discloses still have following technological effect:

1) The heat cover heating film is arranged between the heat cover plate and the heat cover heat insulation plate, heat generated by the heat cover heating film heats a sample placed on the sample tube placing plate through the heat cover plate, and meanwhile, the heat cover heat insulation plate can prevent heat from diffusing to influence other components; through setting up the temperature sensor who is used for measuring hot lid apron temperature and setting up the excess temperature protection switch on the heating circuit of hot lid heating film to the realization is to the real-time supervision of the temperature of hot lid apron, when the temperature of hot lid apron was too high, utilizes excess temperature protection switch automatic cutout heating circuit, realizes the overheat protection function.

2) By arranging the linear track in sliding fit with the support main body and the heat cover track in fit with the heat cover upper frame in the heat cover opening and closing mechanism, when the linear driving mechanism drives the support main body to move along the linear track, a sample can be driven to enter different temperature areas to realize heat circulation; under the effect of the guide rod that opens and shuts, hot lid subassembly also moves along the direction parallel with the straight line track, simultaneously under the orbital guide effect of hot lid, the hot lid upper bracket still moves along the perpendicular direction with the straight line track between one section of hot lid track and hot lid track two sections, and the hot lid upper bracket can be for the support main part along the guide rod that opens and shuts down or upward movement between one section of hot lid track and hot lid track two sections promptly to the realization is covered the hot lid and is placed the board on the sample tube or is placed the technical purpose that the board was opened from the sample tube with the hot lid.

3) Through set up the business turn over storehouse track in the support main part, and with movable support mounting on business turn over storehouse track, so, utilize business turn over storehouse actuating mechanism to drive movable support and remove along business turn over storehouse track, because the sample pipe is placed the board and is installed on movable support, and then drive sample pipe and place the board and remove along business turn over storehouse track, so, can make the sample pipe place the board and expose from the below of heat lid, so that get and put the sample pipe, the sample pipe is got and is put the completion back, can make the sample pipe place the board again and get back to the heat lid below.

4) The sample tube placing plate is provided with the sample support, and the sample tube placing plate is provided with the support heating film which is positioned below the sample tube placing plate; the sample support is made of heat insulation materials, so that heat diffusion can be prevented from affecting other components.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

FIG. 1 is a right side view of a thermal cover module of a full-automatic PCR fluorescent quantitative analyzer according to an embodiment of the present invention;

FIG. 2 is a left side view of the thermal cover module of the full-automatic PCR fluorescent quantitative analyzer according to the present embodiment;

FIG. 3 is a schematic view of a thermal lid assembly;

FIG. 4 is a schematic structural view of a guide plate;

FIG. 5 is a schematic view of a bracket assembly;

FIG. 6 is an isometric view of a bracket assembly.

Description of reference numerals:

10-hot lid; 11-putting on a hot cover; 12-a hot lid guide bar; 13-a spring; 14-thermal cover plate; 15-heat cover insulation board; 16-a temperature sensor; 17-a guide shaft; 18-a bearing; 19-linear bearings;

20-a stent body; 21-a sample tube placing plate; 22-opening and closing guide rod; 23-a warehouse-in and warehouse-out rail; 24-a movable support; 25-a threaded screw rod; 26-nut seats; 27-a screw motor; 28-a second optocoupler sensor; 29-a second light barrier; 30-a sample holder; 31-a top plate;

41-linear rail; 42-hot lid track; 42 a-hot lid track section; 42 b-hot cover rail two section; 42 c-connecting segment; 43-a first optocoupler sensor; 44-a first light barrier; 45-a first pulley; 46-a second pulley; 47-a transmission belt; 48-a drive motor; 49-a guide plate; 49 a-bottom plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

The full-automatic PCR fluorescence quantitative analyzer hot cover module of this embodiment includes bracket component, as shown in fig. 1 and fig. 2, the bracket component of this embodiment includes support subject 20, and support subject 20 is last to install the sample tube and to place board 21, and the top that board 21 was placed to the sample tube is equipped with the hot lid subassembly. 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 heat cover assembly is slidably fitted with the opening and closing guide rods 22 so that the heat cover assembly can be moved along the opening and closing guide rods 22 relative to the sample tube placing plate 21 to cover the sample tube placing plate 21 or be opened from the sample tube placing plate 21. Specifically, as shown in fig. 3, the heat cover assembly of this embodiment includes a heat cover 10 and a heat cover upper frame 11 located above the heat cover 10, a heat cover guide rod 12 is disposed between the heat cover 10 and the heat cover upper frame 11, one end of the heat cover guide rod 12 is fixedly connected to the heat cover 10, and the other end of the heat cover guide rod 12 is in sliding fit with the heat cover upper frame 11, a spring 13 located between the heat cover 10 and the heat cover upper frame 11 is sleeved on the heat cover guide rod 12, in this embodiment, the heat cover upper frame 11 is in sliding fit with two opening and closing guide rods 22, and a linear bearing 19 matched with the opening and closing guide rods 22 is disposed on the heat cover upper frame 11. Under the driving action of the thermal cover upper frame 11 moving along the opening and closing guide rod 12, the thermal cover 10 can be driven to move relative to the sample tube placing plate 21, that is, the thermal cover 10 can be driven to cover the sample tube placing plate 21 or be opened from the sample tube placing plate 21. By arranging the heat cover guide rod 12 between the heat cover upper frame 11 and the heat cover 10 and arranging the spring 13 on the heat cover guide rod 12, not only can rigid collision between the heat cover 10 and the sample tube placing plate 21 be avoided, but also when the heat cover upper frame 11 moves downward relative to the frame body 20 along the opening and closing guide rod 22, after the heat cover 10 contacts the sample tube placing plate 21, the heat cover 10 can be driven to continue to move downward and compress the spring 13, the heat cover 10 is pressed and fixed on the sample tube placing plate 21 by the elastic force of the spring 13, and the heat cover 10 and the sample tube placing plate 21 can be pressed and fixed in a self-adaptive manner. In this embodiment, the sample tube placing plate 21 is placed horizontally, and the opening and closing guide rod 22 is located in a vertical direction, that is, in this embodiment, the thermal cover guide rod 12 and the opening and closing guide rod 22 are parallel to each other, and the opening and closing guide rod 22 and the linear rail 41 are perpendicular to each other.

Further, as shown in fig. 3, the heat cover 10 includes a heat cover plate 14 and a heat cover insulation plate 15 located above the heat cover plate 14, a heat cover heating film is disposed between the heat cover plate 14 and the heat cover insulation plate 15, heat generated by the heat cover heating film heats the sample placed on the sample tube placing plate 21 through the heat cover plate 14, and the heat cover insulation plate 15 can also prevent heat from spreading to affect other components. The thermal cover of this embodiment further includes a temperature sensor 16 for measuring the temperature of the thermal cover plate 14 and an over-temperature protection switch disposed on the heating circuit of the thermal cover heating film, so as to realize real-time monitoring of the temperature of the thermal cover plate 14, and when the temperature of the thermal cover plate 14 is too high, the heating circuit is automatically cut off by the over-temperature protection switch, thereby realizing an over-temperature protection function.

In order to drive the heat lid assembly to move along the opening and closing guide rod 22 relative to the sample tube placing plate 21, the heat lid module of the fully automatic PCR quantitative analyzer of the present embodiment includes a rack assembly further including a heat lid opening and closing mechanism for driving the heat lid upper rack 11 to move along the opening and closing guide rod 22 so that the heat lid 10 covers the sample tube placing plate 21 or is opened from the sample tube placing plate 21. The opening and closing mechanism of the thermal cover can be realized in various ways, such as directly arranging an air cylinder, an electric cylinder, a threaded screw mechanism, a rack and pinion mechanism and the like on the bracket body 20 for driving the thermal cover upper frame 11 to move along the opening and closing guide rod 22. The hot lid opening and closing mechanism of the present embodiment includes a linear rail 41 for guiding the movement of the holder main body 20, a hot lid rail 42 for guiding the movement of the hot lid upper frame 11, and a linear driving mechanism for driving the holder main body 20 to move along the linear rail 41. Specifically, the bracket body 20 of the present embodiment is provided with guide plates 49 at both sides thereof, respectively, a bottom plate 49a is provided below the guide plates 49, the linear rail 41 is provided on the bottom plate 49a, and the hot lid rail 42 is provided on the guide plates 49. Of course, in other embodiments, the guide plates 49 may be provided only on both sides of the rack main body 20, and in this case, the linear rails 41 and the heat cover rails 42 may be respectively provided on the guide plates 49. The hot cover rail 42 includes a hot cover rail section 42a and a hot cover rail section 42b parallel to the linear rail 41, a distance between the hot cover rail section 42a and the linear rail 41 is greater than a distance between the hot cover rail section 42b and the linear rail 41, and a connection section 42c is provided between the hot cover rail section 42a and the hot cover rail section 42b to communicate with each other, so that, when the linear driving mechanism drives the rack main body 20 to move along the linear rail 41, the position of the hot cover upper frame 11 moves between the hot cover rail section 42a and the hot cover rail section 42b, that is, the hot cover assembly moves along the linear rail 41 along with the rack main body 20, and can move along the opening and closing guide rod 22 under the effect of the hot cover rail 42. When the thermal cover upper rack 11 is positioned on the thermal cover rail segment 42a, the thermal cover 10 is positioned above the sample tube placing plate 21, that is, the thermal cover 10 is in an open state view; when the thermal cover upper rack 11 is positioned on the thermal cover rail section 42b, the thermal cover 10 is covered on the sample tube placing plate 21, that is, the thermal cover 10 is in a closed state. When the thermal cover 10 is moved in the connection section 42c, the process change state between the thermal cover 10 and the sample tube placing plate 21 is opened or closed. In the preferred embodiment, the angle between the connecting section 42c and the first section 42a of the heat cover track is 110-150 °, and the angle between the connecting section 42c and the first section 42a of the heat cover track is 135 °, so that the heat cover assembly can run more smoothly between the first section 42a of the heat cover track and the second section 42b of the heat cover track. When the included angle between the connecting section 42c and the hot cover track section 42a is less than 110 degrees, the hot cover assembly is difficult to move in the vertical direction, and the load of the motor is increased; when the angle between the connecting section 42c and the hot cover rail section 42a is greater than 150 °, the movement stroke of the hot cover assembly in the horizontal direction is increased.

As shown in fig. 2, in order to detect the position at which the carriage main body 20 moves along the linear rail 41, a carriage position detecting unit for detecting the position of the carriage main body 20 is further provided between the linear rail 41 and the carriage main body 20. The bracket position detection assembly can be realized by adopting various existing modes, such as a displacement sensor and the like. The bracket position detection assembly of this embodiment includes first opto-coupler sensors 43 respectively disposed at two ends of the linear track 41, and a first light barrier 44 matched with the first opto-coupler sensors 43 is disposed on the bracket main body 20. Two first opto-coupler sensors 43 correspond with one section 42a of hot lid track and two sections 42b of hot lid track respectively, so, through two first opto-coupler sensors 43, can judge that support subject 20 is located one section 42a of hot lid track or hot lid track two sections 42b to can judge whether hot lid 10 covers on sample pipe places the board 21. Of course, in some embodiments, the position of the rack main body 20 is detected by the rack position detecting assembly, so that the temperature or the like of heating the sample in the sample tube placing plate 21 can also be adjusted according to the position of the rack main body 20, which will not be described in detail. As shown in fig. 4, the linear driving mechanism of the present embodiment includes a first pulley 45 and a second pulley 46 respectively located at two ends of the linear track 41, a driving belt 47 is sleeved between the first pulley 45 and the second pulley 46, the driving belt 47 is fixedly connected with the support main body 20, the linear driving mechanism further includes a driving motor 48 for driving the first pulley 45 or the second pulley 46 to rotate, and the driving motor 48 of the present embodiment is a stepping motor. Of course, the linear driving mechanism can also be realized by adopting various existing modes, and the description is not repeated.

As shown in fig. 4, the linear rail 41 of the present embodiment is fixedly mounted on the bottom plate 49a, the linear rail 49 is provided with a linear slider 50 slidably engaged therewith, and the holder main body 20 is fixedly connected to the linear slider 50. Of course, the transmission belt 47 of the present 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 lid rail 42 is a guide slot opened on the guide plate 49. As shown in fig. 3, the heat cover assembly is provided with a guide shaft 17 engaged with the guide groove. In order to reduce the friction between the guide shaft 17 and the hot lid track 42, the present embodiment has a bearing 18 mounted on the guide shaft in rolling engagement with the guide groove.

Because in this embodiment, the opening and closing is realized by controlling the heat cover assembly to move up and down relative to the sample tube placing plate 21, so that the heat cover assembly is always located above the sample tube placing plate 21, which may cause inconvenience in taking and placing the sample tube. In view of this, the rack main body 20 of the present embodiment is provided with a feeding and discharging rail 23 and a movable rack 24 slidably engaged with the feeding and discharging rail 23, the sample tube placing plate 21 is mounted on the movable rack 24, and the rack main body 20 is provided with a feeding and discharging driving mechanism for driving the movable rack 24 to move along the feeding and discharging rail 23 to drive the sample tube placing plate 21 to extend from or retract to below the thermal cover 10. Thus, the movable bracket 24 is driven by the warehouse entry driving mechanism to move along the warehouse entry rail 23, so that the sample tube placing plate 21 extends out from the lower part of the thermal cover 10, namely, the sample tube placing plate 21 and the thermal cover 10 are staggered to facilitate taking and placing of the sample tube. Of course, the sample tube placing plate 21 may also be driven to retract under the thermal cover 10 after the completion of the sample tube taking and placing. The warehouse entry and exit driving mechanism of the embodiment is a linear driving mechanism in essence, and can be realized by adopting various existing modes, such as a gear rack mechanism, a threaded screw rod mechanism, a belt transmission mechanism and the like. As shown in fig. 5 and 6, the in-and-out driving mechanism of this embodiment includes a threaded screw rod 25 parallel to the in-and-out rail 23, a nut seat 26 in threaded fit with the threaded screw rod 25 is disposed on the movable bracket 24, and a screw rod motor 27 for driving the threaded screw rod 25 to rotate is mounted on the bracket main body 20, that is, the in-and-out driving mechanism of this embodiment adopts a threaded screw rod mechanism. In order to detect the position of the movable carriage 24 moving along the in-out rail 23, an in-out position detecting component for detecting the moving position of the movable carriage 24 is provided between the carriage main body 20 and the movable carriage 24 in this embodiment. The warehouse-in and warehouse-out position detection assembly can be realized by adopting various existing modes, such as a displacement sensor and the like. The bracket main body 20 of the embodiment is provided with a second optical coupler sensor 28, and the movable bracket 24 is provided with a second light blocking sheet 29 used for being matched with the second optical coupler sensor 28. The number of the second photo-coupler sensors 28 is two, and the two second photo-coupler sensors 28 are respectively used for detecting two position states of the sample tube placing plate 21 in and out of the warehouse. The inlet and outlet rail 23 and the linear rail 41 of the present embodiment are parallel to each other.

Furthermore, the heating effect on the sample is improved, a support heating film can be arranged in the support component, and a heat insulation structure is configured at the same time. In this embodiment, the movable rack 24 is provided with the sample rack 30 moving synchronously with the movable rack 24, the sample tube placing plate 21 is mounted on the sample rack 30, the rack heating film located below the sample tube placing plate 21 is provided on the sample rack 30, and the sample rack 30 is made of a heat insulating material, so that the sample rack 30 is separately provided on the movable rack 24 and the sample rack 30 is made of a heat insulating material, which can reduce the usage amount of the heat insulating material, save the cost, and simultaneously meet the technical purposes of heating the sample and placing the heat diffusion.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (17)

1. The utility model provides a full-automatic PCR fluorescence quantitative analysis appearance heat lid subassembly which characterized in that: including hot lid (10) and be located hot lid upper bracket (11) of hot lid (10) top, hot lid (10) with be equipped with hot lid guide arm (12) between hot lid upper bracket (11), the one end of hot lid guide arm (12) with hot lid (10) fixed connection, the other end with sliding fit between the hot lid upper bracket (11), the suit is equipped with and is located on hot lid guide arm (12) hot lid (10) with spring (13) between the hot lid upper bracket (11).

2. The thermal cap assembly of a fully automatic PCR fluorescence quantitative analyzer according to claim 1, wherein: the hot cover (10) comprises a hot cover plate (14) and a hot cover heat insulation plate (15) positioned above the hot cover plate (14), and a hot cover heating film is arranged between the hot cover plate (14) and the hot cover heat insulation plate (15).

3. The thermal cap assembly of the fully automatic PCR fluorescence quantitative analyzer of claim 2, wherein: the thermal cover also comprises a temperature sensor (16) for measuring the temperature of the thermal cover plate (14) and an over-temperature protection switch arranged on a heating circuit of the thermal cover heating film.

4. The utility model provides a full-automatic PCR fluorescence quantitative analysis appearance hot lid module which characterized in that: comprises a bracket assembly, the bracket assembly comprises a bracket main body (20), a sample tube placing plate (21) is arranged on the bracket main body (20), and the heat cover assembly of any one of claims 1-3 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 upper frame (11) is in sliding fit with the opening and closing guide rods (22);

the device also comprises a thermal cover opening and closing mechanism which is used for driving the thermal cover upper frame (11) to move along the opening and closing guide rod (22) so as to enable the thermal cover (10) to be covered on the sample tube placing plate (21) or be opened from the sample tube placing plate (21).

5. The thermal cover module of the fully automatic PCR fluorescent quantitative analyzer according to claim 4, wherein: the hot cover opening and closing mechanism comprises a linear rail (41) for guiding the support main body (20) to move, a hot cover rail (42) for guiding the hot cover upper frame (11) to move and a linear driving mechanism for driving the support main body (20) to move along the linear rail (41);

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

the thermal cover (10) is located above the sample tube placement plate (21) when the thermal cover loading rack (11) is located on the thermal cover rail section (42 a); the thermal cover (10) is placed on the sample tube placing plate (21) when the thermal cover upper rack (11) is placed on the thermal cover rail section (42 b).

6. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 5, wherein: a support position detection assembly used 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).

7. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 5, 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).

8. The thermal cover module of the fully automatic PCR fluorescent quantitative analyzer according to claim 7, wherein: the hot cover rail (42) is a guide groove formed in the guide plate (49), and a guide shaft (17) matched with the guide groove is arranged on the hot cover upper frame (11).

9. The thermal cover module of the fully automatic PCR fluorescent quantitative analyzer according to claim 8, wherein: and a bearing (18) in rolling fit with the guide groove is arranged on the guide shaft.

10. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 4, wherein: and a linear bearing (19) matched with the opening and closing guide rod (22) is arranged on the hot cover upper frame (11).

11. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 5, wherein: the hot cover guide rod (12) is parallel to the opening and closing guide rod (22), and the opening and closing guide rod (22) is perpendicular to the linear rail (41).

12. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 5, wherein: the angle between the connecting section (42 c) and the hot lid track section (42 a) is 110-150 °.

13. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to any one of claims 5-9, 11 and 12, 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) are along pass in and out storehouse track (23) remove in order to drive sample tube is placed board (21) and is followed heat lid (10) below is stretched out or is retracted to pass in and out storehouse actuating mechanism below heat lid (10).

14. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer according to claim 13, 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).

15. The thermal cover module of the fully automatic PCR quantitative fluorescence analyzer of claim 14, wherein: an in-out bin 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).

16. The thermal cover module of the fully automatic PCR fluorescence quantitative analyzer according to claim 13, 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.

17. The thermal cover module of the fully automatic PCR fluorescence quantitative analyzer according to claim 13, wherein: the warehouse inlet and outlet rail (23) is parallel to the linear rail (41).

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