WO2022226868A1 - 芯片装载结构、分析装置及分析系统 - Google Patents
芯片装载结构、分析装置及分析系统 Download PDFInfo
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- WO2022226868A1 WO2022226868A1 PCT/CN2021/090878 CN2021090878W WO2022226868A1 WO 2022226868 A1 WO2022226868 A1 WO 2022226868A1 CN 2021090878 W CN2021090878 W CN 2021090878W WO 2022226868 A1 WO2022226868 A1 WO 2022226868A1
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- chip
- loading
- detection chip
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- detection
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Definitions
- Embodiments of the present disclosure relate to a chip loading structure, an analysis device, and an analysis system.
- dPCR Digital polymerase chain reaction chip technology Due to its high sensitivity, strong specificity, high detection throughput, and accurate quantification, it has been widely used in clinical diagnosis, gene instability analysis, single-cell gene expression, environmental microbial detection, and prenatal diagnosis.
- At least one embodiment of the present disclosure provides a chip loading structure, which includes a loading board body, and the loading board body has an accommodating space for accommodating a detection chip;
- a first hollowed-out area and at least one second hollowed-out area are arranged on the first plate surface of the loading plate body, and at least one second hollowed-out area penetrates through the accommodating space, wherein the first hollowed-out area is used for exposing the reaction of the detection chip an observation area; at least one of the second hollow areas is used to expose at least one reagent port of the detection chip;
- the loading plate body is further provided with a connecting portion, and the connecting portion can be detachably connected with the transporting portion in the analysis device for transporting the loading plate body.
- a first concave portion is provided on the first board surface and at the position where the first hollow area is located, and the orthographic projection area of the first concave portion on the first board surface is greater than The orthographic projection area of the first hollow area on the first board surface, and the orthographic projection of the first recessed portion on the first board surface completely covers the first hollow area on the first board surface. Orthographic projection on the board.
- the shape of the orthographic projection of the first hollow area on the first board surface includes a square, a rectangle or a circle.
- a plurality of the second hollow areas are arranged at intervals along a first axis of the first board surface, and the first axis is when the loading board body is placed on the transport portion.
- the direction is parallel to the first movement direction of the transport part moving into the analysis device.
- a second concave portion is provided on the first board surface and at the position of each of the second hollow areas, and the second concave portion is on the positive side of the first board surface.
- the projected area is greater than the orthographic projection area of the second hollow area on the first board surface, and the orthographic projection of the second recessed portion on the first board surface completely covers where the second hollow area is located. Describe the orthographic projection on the first board.
- the orthographic projection area of the second concave part behind in the first moving direction on the first plate surface is greater than an orthographic projection area of the second recessed portion forward in the first moving direction on the first board surface;
- the orthographic projection of the second concave portion at the back in the first moving direction on the first plate surface is an oblong hole; the second concave portion at the front in the first moving direction is at The orthographic projection on the first plate surface is a circular hole.
- the detection chip further has a heating electrode; and a third hollow area extending through the accommodating space is provided on the first board surface for exposing the heating electrode.
- the third hollow area extends to the first side of the first board surface
- the first side edge and the first axis of the first board surface are perpendicular to each other; the direction of the first axis when the loading board body is placed on the transport part is the same as the movement of the transport part
- the first moving directions inside the analysis device are parallel to each other, and the first side is the front side in the first moving direction.
- an accommodating groove is provided on the second board surface of the loading board body that is away from the first board surface, so as to form the accommodating space, and an inner side surface of the accommodating groove is provided.
- a protruding structure is provided to define the detection chip in the accommodating groove.
- the protruding structure includes two sets of protruding part groups distributed on both sides of the first axis of the first board surface, and each group of the protruding part sets includes a plurality of protruding part groups distributed along the first axis at intervals.
- Each of the protruding portions protrudes from the inner side of the accommodating groove toward the direction close to the first axis, so as to abut against the side surface of the detection chip placed in the accommodating groove ;
- the direction of the first axis when the loading plate body is placed on the conveying part is parallel to the first moving direction of the conveying part moving into the analysis device.
- an orthographic projection shape of the convex portion on the second plate surface includes an arc shape.
- the accommodating groove extends to the second side of the second board surface
- the second side is perpendicular to the first axis of the first board surface; the direction of the first axis when the loading board is placed on the transport portion is the same as when the transport portion moves in.
- the first moving directions inside the analysis device are parallel to each other, and the second side is the side that is forward in the first moving direction.
- two side surfaces of the loading body located on both sides of the first axis of the first plate surface are respectively provided with slot groups, and each group of the slot groups includes a a plurality of slots spaced by the first axis, the slots are used as the connecting part to be inserted with the connectors in the transport part in a one-to-one correspondence; the first axis is in the loading plate body The direction when placed on the conveying part is parallel to the first moving direction of the conveying part moving into the analysis device.
- a socket communicated with the slot is provided on the second board surface of the loading board body that is away from the first board surface, so that the corresponding plug-in connector can be moved into or out of the socket.
- the plug connector On the side surface of the slot located on the side of the second axis, there is a limiting convex part protruding in the direction close to the second axis relative to the side surface, so as to When the plug connector moves to a spaced position between the limiting protrusion and the bottom surface of the slot opposite to it, the plug connector is limited in the slot; the first part of the slot is The two axes are parallel to each other with the moving direction of the plug in or out of the slot.
- At least one embodiment of the present disclosure further provides an analysis device, including: a loading part, a transporting part, a temperature control part, and a signal detecting part, wherein,
- the loading part adopts the above-mentioned chip loading structure provided by at least one embodiment of the present disclosure, is used for carrying the detection chip, and can be detachably connected with the transporting part;
- the transport portion is configured to transport the chip loading structure
- the temperature control part includes a heater and a cooler, wherein the heater is configured to heat the detection chip, and the cooler is configured to cool the detection chip;
- the signal detection section includes an optical sensor, wherein the optical sensor is configured to receive light from the detection chip and perform detection based on the light.
- the transport unit includes:
- a transport structure configured to carry the chip loading structure and at least partially drivable
- a driver configured to drive the transport structure to reciprocate the chip loading structure between a first position, a second position and a third position
- the first position allows the chip loading structure to be received in the transport structure
- the second position allows the temperature control section to adjust the temperature of the detection chip
- the third position allows the optical sensor of the signal detection section to receive the light from the detection chip.
- the transport structure includes:
- a movable platform configured to be connected to the drive to move under the drive of the drive
- a bracket configured to connect the stage and the movable platform, thereby enabling the stage to be brought along when the movable platform is driven.
- the loading portion adopts the chip loading structure provided in at least one embodiment of the present disclosure
- a mounting groove for accommodating the loading plate is provided on the bearing surface of the carrier, and a mounting groove opening communicated with the mounting groove is provided on the first side of the carrier for supplying
- the loading plate body is moved into or out of the installation slot, and the first side surface and the first moving direction of the stage moving into the analysis device are perpendicular to each other, and are backward in the first moving direction side;
- the stage is also provided with the plug which protrudes from the side surface of the installation groove toward the direction close to the third axis of the installation groove; the third axis and the first The moving directions are parallel to each other.
- the loading portion adopts the chip loading structure provided in at least one embodiment of the present disclosure
- the heater comprises at least one contact electrode, at least one of the contact electrodes is configured to be in electrical contact with at least one of the heater electrodes of the detection chip in a one-to-one correspondence in use;
- the heater is further configured to apply an electrical signal to the heating electrode of the detection chip through the contact electrode, so that the heating electrode heats the detection chip.
- the contact electrode is fixed on the bearing surface of the stage, and is located on the side of the installation groove opposite to the opening of the installation groove, and one end of the contact electrode is opposite to the installation groove.
- the sides of the grooves protrude in a direction opposite to the first direction of movement of the stage into the analysis device;
- the contact electrode is provided with a contact portion for making electrical contact with the heater electrode, the contact portion protruding toward the heater electrode with respect to a surface of the contact electrode opposite to the heater electrode; and , the heater further comprises an elastic member, which is respectively connected with the contact electrode and the stage, so as to apply a pulling force toward the bearing surface of the stage to the contact electrode.
- the elastic member includes a spring.
- an electrode slot is provided on the bearing surface of the stage, the contact electrode is inserted in the electrode slot, and the contact electrode and the stage are fixed by fasteners. connect.
- the signal detection unit further includes:
- a light source configured to, in use, provide light to illuminate the detection chip
- a light transmitting section configured to transmit, in use, the light provided by the light source to the detection chip and to transmit light emitted by the detection chip to the optical sensor;
- the focus adjustment structure is configured to adjust the light transmission part and the detection chip The distance between the detection chips is located at the focal point of the light transmission part; and the focus adjustment structure has a focus adjustment knob and a knob extension part connected with the focus adjustment knob, the knob extension part Extend to the side close to the light transmission part for easy manual adjustment.
- At least one embodiment of the present disclosure also provides an analysis system, including:
- the detection chip the detection chip.
- FIG. 1 is a schematic block diagram of a detection chip according to at least one embodiment of the present disclosure.
- FIG. 2A is a front structural view of a chip loading structure according to at least one embodiment of the present disclosure.
- 2B is a rear structural view of a chip loading structure according to at least one embodiment of the present disclosure.
- 2C is a perspective structural view of a chip loading structure according to at least one embodiment of the present disclosure.
- FIG. 2D is a perspective structural view of the chip loading structure when the detection chip is carried according to at least one embodiment of the present disclosure.
- 2E is a front structural view of another chip loading structure according to at least one embodiment of the present disclosure.
- 2F is a rear structural view of another chip loading structure according to at least one embodiment of the present disclosure.
- FIG. 3 is a schematic block diagram of an analysis apparatus according to at least one embodiment of the present disclosure.
- FIG. 4 is a schematic block diagram of a transport section according to at least one embodiment of the present disclosure.
- 5A is a structural diagram of an exploded state of a transport structure according to at least one embodiment of the present disclosure.
- 5B is a structural diagram of an assembled state of a transport structure according to at least one embodiment of the present disclosure.
- 6A is a front structural view of a stage according to at least one embodiment of the present disclosure.
- 6B is a rear structural view of a stage according to at least one embodiment of the present disclosure.
- 6C is a perspective structural view of a stage according to at least one embodiment of the present disclosure.
- 6D is a structural diagram of a contact electrode and a spring member according to at least one embodiment of the present disclosure.
- FIG. 6E is a structural diagram of a stage when carrying a loading plate body according to at least one embodiment of the present disclosure.
- FIG. 7A is a schematic structural diagram of a disassembled state of a temperature control portion according to at least one embodiment of the present disclosure.
- 7B is a structural diagram of an assembled state of a temperature control portion according to at least one embodiment of the present disclosure.
- FIG. 8 is a schematic block diagram of a signal detection section according to at least one embodiment of the present disclosure.
- 9A is a side view of a signal detection section according to at least one embodiment of the present disclosure.
- 9B is another side view of a signal detection portion according to at least one embodiment of the present disclosure.
- FIG. 10 is an internal structural diagram of an analysis device according to at least one embodiment of the present disclosure.
- FIG. 11A is an external overall structure diagram of an analysis device according to at least one embodiment of the present disclosure.
- 11B is an external front view of an analysis device in accordance with at least one embodiment of the present disclosure.
- 11C is an exterior rear view of an analytical device in accordance with at least one embodiment of the present disclosure.
- 11D is an external side view of an analysis device in accordance with at least one embodiment of the present disclosure.
- 11E is another external side view of an analysis device according to at least one embodiment of the present disclosure.
- 11F is another external side view of an analytical device with a control valve open, according to at least one embodiment of the present disclosure.
- 11G is an exterior bottom view of an analytical device in accordance with at least one embodiment of the present disclosure.
- 12A is a state diagram of an analytical device with a loading valve open, according to at least one embodiment of the present disclosure.
- 12B is a state diagram of the analysis device according to at least one embodiment of the present disclosure when the loading plate body is in the first position.
- 12C is a state diagram of the analysis device according to at least one embodiment of the present disclosure when the loading plate body is in the second position.
- 12D is a state diagram of the analysis device according to at least one embodiment of the present disclosure when the loading plate body is in a third position.
- FIG. 13 is a schematic block diagram of an analysis system in accordance with at least one embodiment of the present disclosure.
- FIG. 14 is a graph of temperature variation of a temperature control cycle according to at least one embodiment of the present disclosure.
- FIG. 15 is a schematic outline view of a divided reaction chamber after expansion processing according to an embodiment of the present application.
- FIG. 16 is a schematic diagram of the amplitude of the Fourier transform of the biochip image to the frequency domain according to the embodiment of the present application.
- FIG. 17 is a schematic diagram of constructing a filter according to an embodiment of the present application.
- Some dPCR products usually require multiple sets of ancillary equipment to obtain analytical results, which results in long testing times, high testing costs, multiple operating steps, and the risk of reagent contamination.
- At least one embodiment of the present disclosure provides a chip loading structure, an analysis device, and an analysis system.
- the analysis device of this embodiment integrates and integrates a loading part, a temperature control part, and a signal detection part, and realizes the detection of chips with a single device.
- the detection method reduces the number of required supporting equipment, simplifies the operation steps, shortens the detection time, and reduces the risk of reagent contamination.
- the detection chip can be protected and the process of putting the detection chip into the transport part can be reduced.
- the risk of being damaged in the middle can be simplified, and the loading and unloading process of the detection chip installed on the transport part can be simplified, and the installation convenience of the detection chip can be improved.
- FIG. 1 is a schematic block diagram of a detection chip according to at least one embodiment of the present disclosure.
- the detection chip 1 has a reaction observation area 12 on one side.
- the reaction observation area 12 is, for example, a microwell reaction chamber array. area.
- the detection chip 1 further has a heating electrode 11, and the heating electrode 11 is, for example, in the shape of a rectangular plate.
- components such as the heating electrode 11 or the resistance traces electrically connected thereto may generate heat to heat the detection chip 1 .
- the detection chip 1 may also include electrodes for other purposes, such as electrodes for applying electrical signals to drive the sample to move in the detection chip 1 , etc.
- electrodes for other purposes such as electrodes for applying electrical signals to drive the sample to move in the detection chip 1 , etc.
- the embodiments of the present disclosure do not make any difference to the type and structure of the detection chip 1 . limit.
- the detection chip 1 described in the various embodiments of the present disclosure may be any type of biological detection chip or chemical detection chip, such as various microfluidic chips, which are not limited by the embodiments of the present disclosure.
- 2A is a front structural view of a chip loading structure according to at least one embodiment of the present disclosure.
- 2B is a rear structural view of a chip loading structure according to at least one embodiment of the present disclosure.
- 2C is a perspective structural view of a chip loading structure according to at least one embodiment of the present disclosure. Please refer to FIG. 2A to FIG. 2B together.
- the chip loading structure 2 of the present disclosure it can be detachably connected to the transport part in the analysis device, which can protect the detection chip 1 , This reduces the risk of the detection chip 1 being damaged during the process of being placed in the transport portion, and also simplifies the loading and unloading process of the detection chip 1 installed on the transport portion, thereby improving the installation convenience of the detection chip 1 .
- the chip loading structure 2 includes a loading plate body 21 , which is, for example, a rectangular plate body, and optionally, is made of a high temperature resistant material to ensure that the detection chip 1 will not be deformed when heated.
- the loading plate 21 is a rectangular box as a whole, and its outline is generally the same as that of the detection chip 1 .
- the loading board body 21 has an accommodating space for accommodating the detection chip 1 .
- the detection chip 1 is located in the accommodating space at this time.
- the first board surface 2 a of the loading board body 21 is provided with a first hollow area 23 and at least one second hollow area 24 penetrating into the accommodating space.
- a first hollow area 23 is used to expose the reaction observation area 12 of the detection chip 1 ; each of the second hollow areas 24 is used to expose each reagent port (not shown in the figure) of the detection chip 1 .
- a first recessed portion 231 may also be provided at the position where the first hollow area 23 is located.
- the orthographic projection area on the board surface 2a is larger than the orthographic projection area of the first hollow region 23 on the first board surface 2a, and the orthographic projection of the first recessed portion 231 on the first board surface 2a completely covers the first hollow region 23 in the first board surface 2a. Orthographic projection on the first board surface 2a.
- the arrangement of the first concave portion 231 can expand the observation field.
- the orthographic projection shape of the first hollow area 23 on the first board surface 2a includes a square, a rectangle or a circle.
- the orthographic projection shape of the first hollow area 23 on the first board surface 2a shown in FIG. 2A is a square.
- the embodiment of the present disclosure further provides another chip loading structure 2 ′, in which a first hollow area 23 ′ is provided on the first board surface 2 a ′ of the loading board body 21 ′.
- the orthographic projection shape of the first hollow area 23' on the first board surface 2a' is a circle. It should be noted that, in practical applications, different types and structures of detection chips 1 may be equipped with corresponding chip loading structures.
- the direction of , and the first movement direction (ie, the X direction shown in FIG. 2A ) of the transport part moving into the analysis device are parallel to each other.
- FIG. 2A and FIG. 2B show two second hollow regions 24 , which are spaced apart along the X direction and located on both sides of the first hollow region 23 , respectively.
- the two second hollow regions 24 may also be located on the same side of the first hollow regions 23 .
- a second concave portion 241 may be provided at the position of each second hollow area 24 .
- the orthographic projection area of the two recessed portions 241 on the first board surface 2a is larger than the orthographic projection area of the second hollow region 24 on the first board surface 2a, and the orthographic projection of the second recessed portions 241 on the first board surface 2a is completely The orthographic projection of the second hollow area 24 on the first board surface 2a is covered.
- the provision of the second concave portion 241 can prevent the reagent from leaking out when filling or discharging the reagent.
- the rear in the first moving direction ie, the X direction shown in FIG. 2A
- the orthographic projection area of the second concave portion 241 on the first plate surface 2a is larger than the orthographic projection area of the second concave portion 241 in the front in the first moving direction on the first plate surface 2a.
- the reagent discharge port is generally located at the front position in the first moving direction (ie, the X direction shown in FIG. 2A ), and when the reagent is filled, the reagent filling port is more likely to leak than the reagent discharge port, so the Appropriately increasing the orthographic projection area of the second concave portion 241 corresponding to the reagent filling port on the first plate surface 2a can further prevent reagent leakage.
- the orthographic projection of the second concave portion 241 at the rear in the first moving direction on the first board surface 2a is an oval; the second concave portion 241 at the front in the first moving direction is in the first
- the orthographic projection on a board surface 2a is a circle.
- the detection chip 1 also has a heating electrode 11.
- a contact electrode (described in detail below) in the heater, as shown in FIG.
- the board surface 2 a is provided with a third hollow area 22 penetrating into the above-mentioned accommodating space for exposing the heating electrode 11 .
- the above-mentioned contact electrode can be in electrical contact with the heating electrode 11 from the side of the first board surface 2a of the loading board body 21 through the third hollow area 22 .
- the third hollow area 22 extends to the first side of the loading board body 21 , and the first side is connected to the first board.
- the first axes of the surface 2a are perpendicular to each other; the direction of the first axis when the loading plate body 21 is placed on the above-mentioned conveying part is parallel to the above-mentioned first moving direction (ie, the X direction shown in FIG. 2D ), and The first side is the front side in the first moving direction.
- the embodiment of the present disclosure also provides another chip loading structure 2 ′, in which the first board surface 2 a ′ of the loading board body 21 ′ is also provided with a second hollow area 24 ′ and a third hollow
- the area 22 ′ is the same as the arrangement of the second hollow area 24 and the third hollow area 22 , and will not be repeated here.
- the number and position of the reagent ports of the detection chip 1 may also be different according to different types.
- the quantity and position of the second hollow regions 24 in the embodiment of the present disclosure can be adaptively designed according to the quantity and position of the reagent ports of the detection chip 1 .
- hollow regions with other functions may also be provided on the first board surface 2 a of the loading board body 21 , which is not limited in the embodiment of the present disclosure.
- the above-mentioned accommodating space may have various structures.
- FIG. 2B on the second board surface 2b of the loading board body 21 that is away from the first board surface 2a
- An accommodating groove 25 is provided to form the above-mentioned accommodating space. Since the accommodating groove 25 is open on the second board surface 2b, the detection chip 1 can be moved into or out of the container from the side of the second board surface 2b. At the same time, the open accommodating groove 25 helps to improve the cooling efficiency of the detection chip 1, and at the same time, it can also prevent the temperature of the loading board 21 from being too high.
- a protruding structure is provided on the inner side surface of the accommodating groove 25 to confine the detection chip 1 in the accommodating groove 25 .
- the above-mentioned protruding structure can have various structures.
- the protruding structure includes two groups of convex portions distributed on both sides of the above-mentioned first axis (parallel to the X direction) of the first plate surface 2a,
- Each set of protruding portions includes a plurality of protruding portions 26 spaced along the first axis.
- the side surfaces of the detection chips 1 in the accommodating grooves 25 abut against each other, so that the detection chips 1 can be fixed in the accommodating grooves 25 under the action of friction.
- the orthographic projection shape of the convex portion 26 on the second plate surface 2b is designed to be an arc shape such as a semicircle or a semiellipse.
- the accommodating groove 26 extends to the second side of the second board surface 2b; the second side is perpendicular to the first axis (parallel to the X direction), and the second side The side is the front side in the first moving direction.
- the heating electrode 11 can correspond to the position of the contact electrode on the transportation part, so as to realize the contact between the two. connect.
- the embodiment of the present disclosure also provides another chip loading structure 2', which is also provided with an accommodating groove 25' and a convex portion 26' on the second board surface 2b' of the loading board body 21'. , since it is the same as the arrangement of the accommodating groove 25 and the convex portion 26 described above, it will not be repeated here.
- the loading plate body 21 is further provided with a connecting part 27 , and the connecting part 27 can be detachably connected with the analysis device for transporting the loading
- the transport portion of the plate body 21 is connected. That is to say, the detection chip 1 is not directly mounted on the transport part, but is mounted on the transport part by means of the loading plate 21, so that it can protect the detection chip 1 and reduce the time when the detection chip 1 is placed in the transport part.
- the risk of being damaged in the process of transporting the part can also simplify the loading and unloading process of the detection chip 1 installed on the transport part, and improve the installation convenience of the detection chip 1 .
- the above-mentioned connecting portion 27 can be connected to the above-mentioned transporting portion, for example, by means of plugging.
- Slot groups are respectively provided on the two side surfaces 2c, and each slot group includes one or a plurality of slots arranged at intervals along the first axis, and the slots are used as the above-mentioned connecting portion 27, for example, as shown in FIG.
- the slot group provided on each side surface 2c includes two slots (ie, the connecting portion 27 ), and each slot corresponds to the connector in the above-mentioned transport portion (described below) in a one-to-one correspondence
- the loading plate body 21 can be detachably fixed on the transport part by plugging, and this plugging method is very convenient, simplifies the loading and unloading process of the detection chip 1 installed on the transport part, and improves the installation efficiency.
- the connecting portion 27 can also be connected with the above-mentioned transporting portion in any other detachable manner, such as snap connection, mechanical fixation, and the like.
- a socket communicating with the above-mentioned slot is provided on the second board surface 2b of the loading board body 21 that is away from the first board surface 2a.
- a socket communicating with the above-mentioned slot is provided on the second board surface 2b of the loading board body 21 that is away from the first board surface 2a.
- the loading plate body 21 When the loading plate body 21 needs to be installed, as shown in FIG. 2C , firstly move the loading plate body 21 downward along the Y direction to move the connector into the slot through the socket along the Y direction, and then translate to the right along the Z direction Load the plate body 21 to move the connector to the left in the Z direction to the upper part of the limiting protrusion 271, that is, move to the spaced position between the limiting protrusion 271 and the bottom surface of the slot opposite to it. At this time, under the action of the cooperating of the limiting protrusion 271 with the plug-in connector, the loading plate 21 cannot move in the Y direction, that is, the loading plate 21 can be fixed on the above-mentioned transporting part.
- the loading plate body 21 when the loading plate body 21 needs to be unloaded, firstly translate the loading plate body 21 to the left in the Z direction, so as to move the plug connector to the right in the Z direction to a position staggered from the limiting protrusion 271 and opposite to the socket. Then move the loading board body 21 upward along the Y direction to move the plug connector out of the slot through the socket along the Y direction. At this time, the loading board body 21 can move along the Y direction, that is, the loading board body 21 can be moved from the above-mentioned output. Unloading the shipping department.
- the embodiment of the present disclosure also provides another chip loading structure 2', which is also provided with a connecting portion 27' on the second board surface 2b' of the loading board body 21'.
- the setting method of the part 27 is the same, and will not be repeated here.
- FIG. 3 is a schematic block diagram of an analysis apparatus according to at least one embodiment of the present disclosure.
- the analysis device 100 may include at least a loading part 140 , a transporting part 110 , a temperature controlling part 120 and a signal detecting part 130 .
- the transportation part 110 adopts the chip loading structure provided in at least one embodiment of the present disclosure, is used for carrying the detection chip 1 , and can be detachably connected with the transportation part 110 .
- the transport section is configured to transport the chip loading structure
- the transport section 110 is configured to receive and carry, in use, the loading plate body 21 (carrying the detection chip 1 ) in the chip loading structure described above, and to allow the loading plate body 21 to be moved to the The temperature control part 120 and the signal detection part 130 .
- the temperature control unit 120 includes a heater 121 and a cooler 122 .
- the heater 121 is configured to heat the detection chip 1 loaded into the analysis device (carried by the loading plate body 21 ), and the cooler 122 is configured to cool the detection chip 1 loaded into the analysis device, thereby achieving the temperature of the detection chip 1 control.
- the signal detection unit 130 includes an optical sensor 131 .
- the optical sensor 131 is configured to receive light from the detection chip 1 and perform detection according to the light of the detection chip 1 .
- the transport portion 110 may include a transport structure 111 and a driver 112 .
- the transport structure 111 is configured to carry the above-described chip loading structure (ie, the loading plate 21 ), and can be at least partially driven.
- the driver 112 is configured to drive the transport structure 111, eg, operatively connected to the transport structure 111, to reciprocate the aforementioned chip loading structure (ie, the loading plate 21) between the first position, the second position and the third position move.
- the first position allows the aforementioned chip loading structure (ie, loading plate 21 ) to be received in the transport structure 111 , ie, allows the user to place the loading plate 21 into the transport portion 110 , by
- the loading plate body 21 carries the detection chip 1 loaded with the detection sample.
- the second position allows the temperature control part 120 to adjust the temperature of the detection chip 1 .
- the third position allows the optical sensor 131 of the signal detection section 130 to receive light from the detection chip 1 .
- FIG. 12B an example of the first position in at least one embodiment of the present disclosure is shown in FIG. 12B, which will be described below.
- An example of the second position in at least one embodiment of the present disclosure is shown, for example, in Figure 12C, which will be described below.
- An example of a third position in at least one embodiment of the present disclosure is shown, for example, in Figure 12D, which will be described hereinafter.
- the transport portion 110 may also not include the driver 112, so that the transport structure 111 can be manually moved (eg, pushed or pulled), which is not limited by the embodiments of the present disclosure.
- FIG. 5A is a structural diagram of an exploded state of a transport structure according to at least one embodiment of the present disclosure
- FIG. 5B is a structural diagram of an assembled state of the transport structure according to at least one embodiment of the present disclosure.
- the transport structure 111 may include a stage 1111 , a movable platform 1112 and a bracket 1113 .
- the stage 1111 is configured to carry the above-mentioned chip loading structure (ie, the loading plate body 21 ) in use, and in the example shown in FIGS. 6A to 6E , the stage 1111 is a rectangular plate, and can be movably mounted on bracket 1113 (as shown in Figure 5B).
- 6A is a front structural view of a stage according to at least one embodiment of the present disclosure. As shown in FIG. 6A , the stage 1111 can be connected to the connecting portion 27 on the loading plate body 21 in the above-mentioned chip loading structure by plugging.
- the mounting groove 31 of the loading plate 21 is accommodated, and the first side surface of the stage 1111 is provided with a mounting groove opening 31 a communicating with the mounting groove 31 for the loading plate 21 to move into or out of the mounting groove 31 , as shown in FIG. 6A , the first side surface and the first moving direction (ie, the X direction shown in FIG. 6A ) of the stage 1111 moving into the interior of the analysis device are perpendicular to each other, and are backward in the first moving direction. side.
- the stage 1111 is also provided with a plug 32 protruding in a direction close to the third axis (parallel to the X direction) of the mounting groove 31 with respect to the side surface of the mounting groove 31 .
- the protruding portion of the plug connector 32 relative to the side of the mounting slot 31 can be moved into or out of the slot (ie, the connecting portion 27) from the socket along the Y direction.
- the loading plate 21 placed in the mounting slot 31 can be allowed to translate along the X direction by means of the installation slot opening 31a, so as to enable the plug connector 32 to translate rightward or leftward along the Z direction shown in FIG. 2C . Since the insertion method of the plug connector 32 and the above-mentioned slot has been described in detail above, it will not be repeated here.
- the stage 1111 may be formed of a high temperature resistant material, and the high temperature resistant material may be, for example, metal, plastic, ceramic, rubber, resin, or the like.
- the thermal deformation temperature of the high temperature resistant material forming the stage 1111 may be, for example, 100°C, 200°C, 300°C, 400°C, or 500°C or higher.
- the stage 1111 may also be formed of a material that is resistant to high temperature and has poor thermal conductivity.
- the stage 1111 may be formed of ceramic, thereby being both lightweight and able to withstand high temperatures.
- FIG. 6B is a rear structural view of a stage according to at least one embodiment of the present disclosure.
- the stage 1111 is provided with four through holes 36 penetrating from its back surface 1111b to the bearing surface 1111a, for connecting the stage 1111 and the bracket 1113 with fasteners (such as screws or bolts) Fixed connection.
- fasteners such as screws or bolts
- four compression springs can be used to connect the stage 1111 and the bracket 1113 to exert an elastic force toward the two to keep them away from each other.
- the fasteners can be tightened or loosened, To adjust the distance between the stage 1111 and the bracket 1113, the levelness of the stage 1111 can be adjusted.
- the above-mentioned four compression springs may be sleeved on the above-mentioned fasteners.
- the levelness of the stage 1111 can also be adjusted by setting other leveling structures, which is not limited by the embodiments of the present disclosure.
- the stage 1111 may further include a spirit level to detect whether the stage 1111 is level.
- the spirit level may be adhered to the stage 1111 through an adhesive or the like, which is not limited by the embodiment of the present disclosure.
- the level may be, for example, a bubble level, an inductive level, a capacitive level, etc., which are not limited in the embodiments of the present disclosure.
- the stage 1111 may have a hollow area 34 so that when the loading board 21 is placed on the stage 1111 , the contact surface of the loading board 21 and the stage 1111 is at least partially exposed, for example Exposed to the cooler 122 of the temperature control part 120 .
- the detection chip 1 carried by the loading board 21 can be exposed to the temperature control part 120 .
- the cooler 122 can improve the cooling efficiency of the detection chip 1 .
- the hollow area 34 can have any suitable shape, such as a circle, a triangle, a rectangle, a pentagon, a hexagon or other irregular shapes; for example, the hollow area 34 can have one or more openings, The embodiments of the present disclosure do not limit this.
- the size of the projection of the loading plate 21 on the plane where the hollow area 34 is located is larger than the size of the hollow area 34 , so that the loading plate 21 will not be separated from the stage 1111 from the hollow area 34 .
- the heater 121 may include at least one contact electrode 33 , and the contact electrode 33 may be formed of, for example, a high temperature resistant metal material.
- the at least one contact electrode 33 is configured to be in electrical contact with the at least one heater electrode 11 of the detection chip 1 in a one-to-one correspondence in use.
- the heater 121 is also configured to apply an electrical signal to the heating electrode 11 of the detection chip 1 through the contact electrode 33 , so that the heating electrode 11 heats the detection chip 1 .
- the contact electrode 33 is fixed on the bearing surface 1111a of the stage 1111 on the side opposite to the mounting slot opening 31a, and one end of the contact electrode 33 is opposite to the mounting groove opening 31a.
- the side surface of the mounting groove 31 protrudes in the opposite direction to the X direction, that is, the contact electrode 33 extends from one side of the mounting groove 31 to the inside of the mounting groove 31 to allow contact with the exposed heating electrode 11 of the detection chip 1 in use
- Electrical contact is made to apply an electrical signal (eg, a DC voltage or an AC voltage) to the heating electrode 11 of the detection chip 1 .
- an electrical signal eg, a DC voltage or an AC voltage
- the contact electrode 33 When the detection chip 1 is placed on the stage 1111, the contact electrode 33 is in electrical contact with the heating electrode 11 of the detection chip 1, so that electrical signals can be transmitted.
- the contact electrodes 33 may be electrically connected to a power source or a controller through wiring through the stage 1111 to receive control signals.
- the contact electrode 33 is provided with a contact portion 331 for electrical contact with the heating electrode 11 , and the contact portion 331 protrudes toward the heating electrode 11 relative to the surface of the contact electrode 33 opposite to the heating electrode 11 .
- the contact portion 331 is a convex portion formed by bending one end of the contact electrode 33 , and the convex portion preferably forms an acute angle with the contact electrode 33 to facilitate the insertion of the heating electrode 11 of the detection chip 1 to the inner side of the contact electrode 33 .
- the heater 121 further includes an elastic member 35 , which is connected to the contact electrode 33 and the stage 1111 respectively, and is used to apply a force to the contact electrode 33 toward the bearing surface 1111 a of the stage 1111 . pull.
- the elastic member 35 By means of the elastic member 35 , the elastic connection between the contact electrode 33 and the stage 1111 can be realized, and the contact electrode 33 can be reset when the loading plate 21 is moved out of the mounting groove 31 .
- the above-mentioned elastic member 35 is a spring, such as a tension spring.
- a limiting groove 333 may be provided on the contact electrode 33 to limit the position of the elastic member 35 on the contact electrode 33 .
- an electrode slot 312 is provided on the bearing surface 1111 a of the stage 1111 , the contact electrode 33 is inserted in the electrode slot 312 , and the contact electrode 33 is connected to the stage. 1111 is fixedly connected by fasteners.
- a mounting hole 332 can be provided at one end of the contact electrode 33 away from the contact portion 331, and fixed to the stage 1111 by fasteners (such as screws or bolts). connect.
- limit steps 311 are further provided at the two corners of the side surface of the installation groove 31 opposite to the installation groove opening 31 a to limit the position of the loading plate 21 in the installation groove 31 .
- a certain contact space can be reserved for the heating electrode 11 and the contact electrode 33 of the detection chip 1 carried by it.
- the detection chip 1 may not have heating electrodes, and the heater 121 may be configured to provide heating infrared rays or airflow to the detection chip 1 to heat the detection chip 1 .
- the heater 121 may be an infrared heater or a gas heater (for example, heating the air through resistance and driving the heated air to flow through a fan), etc., which is not limited by the embodiment of the present disclosure.
- the movable platform 1112 is configured to be operably connected to the drive 112 for movement under the drive of the drive 112 .
- the driver 112 can be, for example, a motor, and the movable platform 1112 is, for example, connected to a driving end of the motor.
- the driver 112 may be a rotary motor, and the driving end of the rotary motor is connected with the lead screw S, so that the lead screw S can be rotated, and the movable platform 1112 is threaded through a nut engaged with the lead screw S.
- the driver 112 can be a linear motor, and the mover of the linear motor can be connected with the movable platform 1112 to drive the movable platform 1112 to move.
- the embodiment of the present disclosure does not limit how the driver 112 drives the movable platform 1112, for example, a rack and pinion combination can also be used to convert rotational motion into horizontal motion.
- the movable platform 1112 may be formed of any rigid material, eg, metal, plastic, ceramic, rubber, resin, etc., which are not limited by embodiments of the present disclosure.
- the shapes of the movable platform 1112 shown in FIGS. 5A and 5B are only exemplary, and the movable platform 1112 may have any suitable shape according to actual requirements.
- the bracket 1113 is configured to connect the stage 1111 and the movable platform 1112, thereby enabling the stage 1111 to be brought along when the movable platform 1112 is driven.
- the bracket 1113 may include a first portion 1113A and a second portion 1113B, as shown by the dashed box in FIG. 5A .
- the first portion 1113A is configured to carry the stage 1111 in use.
- the second portion 1113B is configured to be connected to the movable platform 1112 in use.
- the first portion 1113A extends in a first direction
- the second portion 1113B extends in a second direction
- the first direction is perpendicular to the second direction. Forming the holder 1113 into an L-shape or a T-shape, thereby reducing the size in a single direction, helps to reduce the overall volume of the analysis device.
- the first part 1113A of the bracket 1113 can be connected to the stage 1111 through springs, for example, for example, through four springs corresponding to the four corners of the stage 1111, so that the horizontal state of the stage 1111 can be adjusted by adjusting the corresponding springs .
- the second part 1113B of the bracket 1113 can be detachably connected or fixedly connected with the movable platform 1112 by, for example, screws or the like, so as to allow the movable platform 1112 to drive the bracket 1113 to move together.
- the second portion 1113B may be integrally formed with the movable platform 1112 .
- the bracket 1113 may be formed of any rigid material, for example, metal, plastic, ceramic, rubber, resin, etc., which is not limited by the embodiments of the present disclosure.
- the shape of the bracket 1113 shown in FIGS. 5A and 5B is only exemplary, and the bracket 1113 may have any suitable shape according to actual requirements.
- the temperature control part 120 may include, for example, a temperature sensor 123 .
- the temperature sensor 123 is configured to detect the temperature of the detection chip 1 .
- the temperature sensor 123 may use a conventional temperature sensor, which will not be repeated in this embodiment of the present disclosure.
- the temperature sensor 123 may include an infrared temperature sensor or a thermocouple temperature sensor. It should be understood that, in some embodiments of the present disclosure, if the detection chip 1 includes a temperature sensor, the temperature sensor 123 does not need to be disposed in the analysis device.
- the temperature sensor 123 and the cooler 122 are configured to be spaced apart from each other to allow the detection chip 1 to be sandwiched between the temperature sensor 123 and the cooler 122 .
- the temperature control part 120 may further include a temperature control bracket 124 to which the temperature sensor 123 and the cooler 122 are connected to be spaced apart from each other. It should be understood that the positions of the temperature sensor 123 and the cooler 122 in FIGS. 7A and 7B are only exemplary, and the embodiments of the present disclosure are not limited thereto.
- the temperature sensor 123 may be above or below the detection chip 1 in use, and the cooler 122 may be on the side of the detection chip 1 in use.
- the cooler 122 may include, but is not limited to, a fan or a semiconductor refrigeration chip, and the embodiment of the present disclosure does not limit the specific type of the cooler 122 .
- the cooler 122 can be exemplified as a fan, which has a substantially circular shape and is fixed in the temperature control bracket 124 by four mounting posts 122 a provided at four corners.
- the base of the temperature control bracket 124 is provided with four through holes 124 a for installing the four mounting posts 122 a on the base of the temperature control bracket 124 through screws in a one-to-one correspondence.
- the temperature control bracket 124 is composed of a bottom plate and a vertical plate and a horizontal plate arranged on the bottom plate.
- the horizontal plate is relatively arranged above the bottom plate and supported by the vertical plate.
- the cooler 122 Supported by the bottom plate, the temperature sensor 123 is arranged on the horizontal plate and is relatively positioned above the cooler 122 .
- the temperature sensor 123 can detect the temperature of the detection chip 1; the cooler 122 can cool the detection chip 1.
- a rib 124b is further provided at the included angle between the horizontal plate and the vertical plate, so as to strengthen the connection stability of the horizontal plate and the vertical plate.
- the rib 124b is perpendicular to the above-mentioned horizontal and vertical plates, and the two sides are at right angles, so as to fit with the above-mentioned horizontal and vertical plates respectively, and the rib 124b also has wavy sides for the cooler 122. Provide installation space.
- the temperature control bracket 124 may be formed of any rigid material, for example, metal, plastic, ceramic, rubber, resin, etc., which is not limited by the embodiments of the present disclosure.
- the shape of the temperature control bracket 124 shown in FIGS. 7A and 7B is only exemplary, and the temperature control bracket 124 may have any suitable shape according to actual requirements.
- FIG. 8 is a schematic block diagram of a signal detection section according to at least one embodiment of the present disclosure.
- the signal detection part 130 may further include a light source 132 and a light transmission part 133 .
- the optical sensor 131 is, for example, an image sensor configured to acquire images of the detection chip (eg, biochip images) for analysis.
- the optical sensor 131 may include a charge coupled device (CCD) or a complementary metal oxide semiconductor (CMOS).
- CCD charge coupled device
- CMOS complementary metal oxide semiconductor
- the optical sensor 131 may also be a photodiode, a photoresistor, an infrared sensor, an ultraviolet sensor, etc., which are not limited in the embodiments of the present disclosure.
- the light source 132 may be configured to provide light, in use, to illuminate the detection chip.
- the light transmission part 133 may be configured to transmit light provided by the light source 132 to the detection chip and light emitted by the detection chip to the optical sensor 131 in use.
- the light source 132 can be of various types and can emit visible light, infrared light, etc., for example, including a laser or a fluorescent light source.
- the wavelengths of the laser and the fluorescent light source can be selected according to actual needs, which are not limited by the embodiments of the present disclosure.
- the light transmission part 133 may include a 90° turning prism system 1331 and a reflective light path system 1332 .
- the 90° turning prism system 1331 may be configured to transfer light from the detection chip. The light is transmitted to the optical sensor 131 .
- the reflective light path system 1332 may be configured to transmit light from the light source 132 to illuminate the detection chip, and the reflective light path system 1332 may further include a filter on the light path from the detection chip to the optical sensor 131 to illuminate the detection chip. The light transmitted on the optical path is filtered, and only the light of the set wavelength is allowed to pass through.
- Both the 90° turning prism system 1331 and the reflection light path system 1332 can adopt conventional designs in the art, which will not be repeated in this disclosure.
- the signal detection part 130 may further include an objective lens 134 .
- the objective lens 134 is configured to collect light from the detection chip.
- objective lens 134 may include a lens.
- the signal detection part 130 may further include a bracket 135 .
- the bracket 135 is used to fix and carry at least some components in the information detection part 130 , such as the light source 132 , the light transmission part 133 and the like.
- the bracket 135 is further provided with a focal length adjusting structure, the focal length adjusting structure is configured to adjust the distance between the light transmission part 133 and the detection chip, so that the detection chip is at the focus of the light transmission part 133 .
- the focus adjustment structure has a focus adjustment knob 136 and a knob extension portion 1361 connected to the focus adjustment knob 136 , and the knob extension portion 1361 extends to a side close to the light transmission portion 133 to facilitate manual adjustment .
- the bracket 135 may adopt a conventional design in the art, which will not be repeated in this disclosure.
- the signal detection part 130 may further include a level meter (not shown in the figure) to detect whether the signal detection part 130 is level.
- a spirit level may be connected to the light transmission part 133, the optical sensor 131, the light source 132, and the like.
- a spirit level may be connected to the 90° turning prism system 1331 .
- the spirit level is connected to other components of the signal detection part 130 in any suitable manner, such as bonding, magnetic adsorption, screw connection, etc., which is not limited by the embodiment of the present disclosure.
- the level may be, for example, a bubble level, an inductive level, a capacitive level, etc., which are not limited in the embodiments of the present disclosure.
- the level can make the light transmitted from the light transmission part 133 to the detection chip perpendicular to the detection chip or the light from the detection chip to enter the light transmission part 133 vertically, so as to facilitate subsequent signal processing, for example, the image processing of the detection chip can be omitted. Steps for angle correction.
- FIG. 10 is an internal structural diagram of an analysis device according to at least one embodiment of the present disclosure.
- the analysis device may include a base 101 , and the transport part 110 , the temperature control part 120 and the signal detection part 130 are all arranged on the base 101 , for example, fixed on the base 101 by screws, clamps, adhesives, etc. .
- the temperature control part 120 and the signal detection part 130 can be arranged along the moving path of the movable platform 1112 in the transport part 110 , so that the movement of the movable platform 1112 can drive the loading plate 21 carried on the object platform 1111 to move To the temperature control part 120 for temperature control and move to the signal detection part 130 to collect the light from the detection chip.
- FIG. 10 is exemplary, and different arrangements may be adopted according to the different structures and shapes of the transport part 110 , the temperature control part 120 and the signal detection part 130 .
- the example does not limit this.
- the analytical device 100 further includes one or more controllers.
- the one or more controllers can be configured to perform at least one of the following operations:
- the above-mentioned controller can be implemented by, for example, a central processing unit (CPU), a digital signal processor (DSP), a single-chip microcomputer, a field programmable gate array (FPGA), a complex programmable logic device (CPLD), an application specific integrated circuit (ASIC), etc.,
- CPU central processing unit
- DSP digital signal processor
- FPGA field programmable gate array
- CPLD complex programmable logic device
- ASIC application specific integrated circuit
- the controller may be implemented as a plurality of sub-controllers, and the plurality of sub-controllers may respectively perform at least one of the above operations.
- the plurality of sub-controllers can be separately provided or integrated in one controller, which is not limited by the embodiments of the present disclosure.
- the analysis device 100 may further include a communication section.
- the communication section is configured to form a signal connection with a mobile terminal, a server, and the like.
- the signal connection may be a wired connection or a wireless connection, which is not limited by the embodiments of the present disclosure.
- Exemplary wireless connections include Wireless Fidelity (Wi-Fi), Bluetooth, Wireless Direct, and Infrared.
- Exemplary wired connections include Universal Serial Bus (USB), FireWire, Thunderbolt, or any connection that requires a physical cable.
- the analyzing apparatus may further include a display screen 201 .
- the display screen 201 is, for example, disposed on the front of the housing 200 and configured to display, for example, a liquid crystal display screen, an organic light emitting diode (OLED) display screen, a quantum dot light emitting diode (QLED) display screen, a micro light emitting diode display screen, An electronic ink screen, an electronic paper display screen, etc., are not limited in the embodiments of the present disclosure.
- the display screen 201 may be a touch screen display to receive user input.
- the analysis device may not include the display screen 201, but may be connected to a separately set display screen or output data such as analysis results in the form of digital files or physical files. This is not limited.
- the front surface of the housing 200 may further be provided with a loading valve 202 , which, when opened, allows the stage 1111 to protrude therefrom to receive the loading plate 21 .
- the analysis device may further include a power interface 203 .
- the power interface 203 is, for example, disposed on the back of the housing 200 , and the analysis device is connected to the power source through the power interface 203 to obtain electric power.
- the analysis device may not have the power interface 203, but has a built-in primary battery or a secondary battery, or a built-in solar battery, which is not limited by the embodiments of the present disclosure.
- the analysis apparatus may further include a data transmission interface 204 .
- the data transmission interface 204 is provided on the back of the housing 200, for example, and is configured to output data of the analysis device, such as analysis results, to an external device, or to transmit data from an external device to the analysis device.
- the data transmission interface 204 may be, for example, a Universal Serial Bus (USB) interface, a Serial Advanced Technology Attachment (SATA) interface, or the like.
- USB Universal Serial Bus
- SATA Serial Advanced Technology Attachment
- the data transmission interface and the power interface can be combined into one interface, such as a USB interface, which can be used for both data transmission and power transmission.
- the analysis device according to at least one embodiment of the present disclosure may further include a key.
- the key is configured to obtain an input instruction from the user, and may be, for example, a mechanical key, an optical key, or the like, which is not limited in the embodiments of the present disclosure.
- the analysis device may further include a power switch 207 and an indicator light 208 , both of which are disposed on one side of the housing 200 , for example.
- the analytical device may further include a control valve 209 , eg, disposed on one side of the housing 200 (which may be on a different side from the power switch 207 and indicator light 208 described above).
- a control valve 209 eg, disposed on one side of the housing 200 (which may be on a different side from the power switch 207 and indicator light 208 described above).
- FIG. 11F after the control valve 209 is removed, a magnetic patch 211 is disposed on the inner side thereof to fix the control valve 209 by magnetic adsorption.
- the control valve 209 can also be detachably fixed on the casing 200 in other ways, or the control valve 209 can be movably connected to the casing 200 to open or close the control opening.
- the filter wheel 212 is exposed from the control opening to enable manual selection of the fluorescence channel.
- the knob extension 1361 can also be exposed for manual focus adjustment.
- the focal length adjustment can also have two working modes: one is to use the knob extension part 1361 for manual adjustment, and the other is to use the built-in automatic control part to automatically adjust the focal length.
- the analysis device may further include four supporting feet 213 , and the four supporting feet 213 are disposed on the bottom surface of the housing 200 .
- the four supporting feet 213 have level adjustment structures (for example, including screws and elastic members), so as to be able to adjust the level of the whole analysis device.
- the analysis device may further include a heat dissipation port 205 , a heat dissipation port 206 and a heat dissipation port 210 , which are respectively disposed on the back and both sides of the housing 200 , It can be used to release the heat of the controller or the temperature control part 120 .
- These vents can be packaged in a dust-free package to prevent dust from entering the interior of the analytical unit.
- the analysis device may further include a touch sensor.
- the touch sensor is configured to receive and detect a user's touch operation, and convert the user's touch operation into an electrical signal to transmit to a controller or other control devices, such as a controller or an external server.
- the touch sensor may be, for example, a capacitive touch sensor, a resistive touch sensor, etc., which are not limited in the embodiments of the present disclosure. It should be understood that when the display screen 201 is a touch display screen or the analysis device includes other forms of input devices (eg, keys, microphones, etc.), the analysis device may also not include a touch sensor.
- FIG. 12A to 12D illustrate state diagrams of the analysis device according to at least one embodiment of the present disclosure when the loading plate body 21 is located at different positions.
- the loading valve 202 of the analysis device is opened, and the stage 1111 protrudes from the chip loading port of the analysis device to receive the loading plate 21 .
- the loading board 21 (carrying the detection chip) is at the first position where the loading board 21 is received and carried on the stage 1111 .
- FIG. 12A illustrates state diagrams of the analysis device according to at least one embodiment of the present disclosure when the loading plate body 21 is located at different positions.
- the loading valve 202 of the analysis device is opened, and the stage 1111 protrudes from the chip loading port of the analysis device to receive the loading plate 21 .
- the loading board 21 (carrying the detection chip) is at the first position where the loading board 21 is received and carried on the stage 1111 .
- the loading board 21 is in the second position, and the loading board 21 is located between the temperature sensor 123 on the temperature measuring bracket 124 and the cooler 122, and the temperature sensor 123 can detect the temperature of the detection chip; cooling The device 122 can cool the detection chip.
- the second position allows the temperature control unit 130 to adjust the temperature of the detection chip.
- the loading plate 21 is at the third position, and the loading plate 21 is located below the objective lens 134 at this time, so that the objective lens 134 can collect the light from the detection chip.
- At least one embodiment of the present disclosure also provides an analysis system.
- 13 is a schematic block diagram of an analysis system in accordance with at least one embodiment of the present disclosure.
- the analysis system 300 includes an analysis device 310 and a detection chip 320 .
- a combination of the analysis device 310 and an unused detection chip 320 can be provided to a user for use by the user.
- the analysis device 310 may be any of the analysis devices described above.
- the detection chip 320 may be any of the above-mentioned detection chips.
- the analysis system 300 may further include more components or components, which are not limited by the embodiments of the present disclosure.
- the analysis device 310 and the detection chip 320 reference may be made to the description of the reaction device above, which will not be repeated here.
- At least one embodiment of the present disclosure also provides a method of operating an analytical device.
- the method is applicable to the analysis device according to any embodiment of the present disclosure.
- a method of operating an analysis device according to at least one embodiment of the present disclosure may include the steps of:
- Step 1 move the transporting part carrying the loading part (ie, the loading plate body carrying the detection chip in the chip loading structure) to the temperature control part.
- step 1 the above-mentioned transport part can be manually moved to the temperature control part.
- the transport includes a transport structure configured to carry the loading plate and at least partially drivable and a drive configured to drive the transport structure
- step 1 may comprise driving the transport carrying the loading plate by the drive This structure is used to move the loading plate body to the temperature control part.
- FIG. 12A to 12D illustrate state diagrams of the analysis device according to at least one embodiment of the present disclosure when the loading plate body 21 is located at different positions.
- the loading valve 202 of the analysis device is opened, and the stage 1111 protrudes from the chip loading port of the analysis device to receive the loading plate 21 .
- the loading board 21 (carrying the detection chip) is at the first position where the loading board 21 is received and carried on the stage 1111 .
- FIG. 12A illustrates state diagrams of the analysis device according to at least one embodiment of the present disclosure when the loading plate body 21 is located at different positions.
- the loading valve 202 of the analysis device is opened, and the stage 1111 protrudes from the chip loading port of the analysis device to receive the loading plate 21 .
- the loading board 21 (carrying the detection chip) is at the first position where the loading board 21 is received and carried on the stage 1111 .
- the loading board 21 is in the second position, and the loading board 21 is located between the temperature sensor 123 on the temperature measuring bracket 124 and the cooler 122, and the temperature sensor 123 can detect the temperature of the detection chip; cooling The device 122 can cool the detection chip.
- the second position allows the temperature control unit 130 to adjust the temperature of the detection chip.
- Step 2 adjust the temperature of the detection chip through a heater and a cooler.
- step 2 may include applying an electrical signal to the heating electrode of the detection chip through the contact electrode, so that the heating electrode heats the detection chip.
- step 2 further includes: cyclically maintaining the detection chip at at least two temperatures through a heater and a cooler.
- the detection chip is heated by a heater and cooled by a cooler, and multiple temperature control cycles, such as 30 temperature control cycles, are performed on the detection chip, so that the detection chip performs PCR thermal cycle amplification.
- Each temperature control cycle includes: maintaining the detection chip at 95° C. for 10 seconds; maintaining the detection chip at 50° C. for 10 seconds; maintaining the detection chip at 72° C. for 10 seconds.
- 14 is a graph of temperature variation of a temperature control cycle according to at least one embodiment of the present disclosure. In Fig. 14, the horizontal axis represents time in minutes, and the vertical axis represents temperature in degrees Celsius.
- Step 3 Move the transport part to the signal detection part, and obtain the light from the detection chip through the optical sensor.
- step 3 the above-mentioned transporting part can be manually moved to the signal detecting part.
- the transport portion described above comprises a transport structure configured to carry the loading plate and at least partially drivable and a driver configured to drive the transport structure
- step 3 may include driving the transport portion by the driver to drive the transport structure
- the detection chip moves to the signal detection unit.
- the loading plate 21 is at the third position, and the loading plate 21 is located below the objective lens 134 at this time, so that the objective lens 134 can collect the light from the detection chip.
- Step 3 may further include: irradiating the detection chip with light, and receiving the light emitted by the detection chip as the light from the detection chip through the optical sensor.
- step 3 may include obtaining an image of the detection chip through the image sensor.
- step 3 may include: providing light through the light source; transmitting the light provided by the light source through the light transmission part to illuminate the detection chip; and sending out the detection chip through the light transmission part The light is transmitted to the optical sensor (or the image sensor included in the optical sensor) as light from the detection chip.
- Step 4 analyze the light from the detection chip to obtain an analysis result.
- one or more steps and at least part of the sub-steps in the above-mentioned method may be executed by software or firmware, for example, by a mobile terminal, a server, etc. that are signally connected to the analysis device, which is not limited by the embodiments of the present disclosure. .
- step 4 may adopt the following method of the image of the biochip The analysis method recognizes the matrix biochip fluorescence image of high-throughput and low signal-to-noise ratio, and realizes the automatic analysis of chamber location positioning and sample negative and positive judgment.
- the analysis method of the biochip image includes:
- Step 41 obtaining a biochip image and preprocessing to obtain a preprocessed image
- Step 42 performing angular deflection correction on the preprocessed image to obtain a deflection corrected image
- Step 43 performing enhancement processing on the deflection corrected image, and identifying the negative and positive of the region of interest in the preprocessed image according to the enhanced image.
- the above step 41 includes:
- Step 411 obtain the original image, the camera intrinsic parameter matrix and the distortion coefficient
- Step 412 Correct the original image according to the camera internal parameter matrix and the distortion coefficient to obtain a biochip image.
- the distortion generated in the original image collected by the camera can be corrected by acquiring the camera internal parameter matrix and the distortion coefficient, so that the corrected biochip image can more truly display the characteristics of the biochip. In this way, it can be beneficial to ensure the validity and accuracy of the biochip analysis.
- the biochip may be quadrilateral, and a plurality of reaction chambers are arranged in an array on the biochip. It should be noted that, in the embodiments of the present application, the region where the reaction chamber is located in the biochip image is used as the region of interest for description.
- the method for analyzing the biochip image includes: using a calibration plate to calibrate the camera used for shooting by using a traditional calibration method, so as to obtain the camera's internal parameter matrix and distortion coefficient.
- the calibration plate when the camera parameters are calibrated by the calibration plate, the calibration plate may have a predetermined pattern, such as a grid pattern or a black and white square pattern, etc., and the camera captures an image of the calibration plate at a certain shooting distance. The image is compared with the pattern of the calibration plate. According to the offset of the corresponding feature points in the image of the calibration plate and the pattern of the calibration plate, combined with the shooting distance, the camera internal parameter matrix and distortion parameters related to the camera shooting are obtained.
- a predetermined pattern such as a grid pattern or a black and white square pattern, etc.
- the camera internal parameter matrix and distortion coefficient may be pre-calibrated and pre-stored in the analysis device of the camera or biochip image.
- the analysis device may obtain the corresponding camera internal parameter matrix and distortion from the camera. coefficient, or determine the camera's intrinsic parameter matrix and distortion coefficient according to the camera's serial number or model.
- the analysis device may also detect the camera internal parameter matrix and distortion coefficient corresponding to the corresponding camera before each acquisition of an image of the biochip. In this way, the validity of the camera internal parameter matrix and distortion coefficient can be ensured.
- the original image is a fluorescent image of the biochip in which the biochemical reaction has occurred.
- the fluorescence image of the corresponding biochip can be collected by using a specific device. It can be understood that, in the fluorescence image, the color and brightness displayed by different reaction chambers may be the same or different.
- the preprocessed image includes a high-frequency component image
- the above step 41 includes:
- Step 413 performing Gaussian filtering on the biochip image to obtain a low-frequency component image
- Step 414 subtract the low-frequency component image from the biochip image to obtain the high-frequency component image.
- Gaussian filtering is used to obtain a low-frequency component image, and then the low-frequency component in the biochip image is subtracted to obtain a high-frequency component image, so as to achieve high-frequency filtering and solve the problem of uneven fluorescence illumination of the microchip.
- the preprocessed images may not be limited to the high-frequency component images discussed above, and grayscale images, low-frequency component images, edge detection images, etc. may be obtained according to actual requirements.
- the grayscale image can be obtained according to the grayscale processing of the image
- the low-frequency component image can be obtained by the low-frequency component extraction process
- the edge detection image can be obtained by the image edge extraction process.
- the preprocessed image can also be obtained by processing one or more of the above processing methods in a preset order, which is not specifically limited here.
- the above step 42 includes:
- Step 421 selecting a preset number of detection areas in the preprocessed image
- Step 422 using the Hough circle transform to detect the center and radius of the region of interest within the detection region.
- Step 423 making a circle according to the center and radius of the region of interest to determine the region of interest and segment the region of interest.
- the region of interest as the region where the reaction chambers are located in the image as an example, when detecting the arrangement of the reaction chambers, it is necessary to determine the positions of the reaction chambers in the detection area. Since the reaction chambers are generally circular, so, through Hough The transformation can realize the detection of the center and radius of the chamber, and further, after the position of the reaction chamber is determined according to the center and radius of the chamber, the segmentation of the reaction chamber can be realized.
- the above step 421 includes: selecting a corresponding detection area within a predetermined area of the preprocessed image.
- the preset area may be set by the user according to experience, or automatically selected according to an algorithm.
- the detection area can also be an area randomly selected in the preprocessed image, which is not specifically limited here.
- the detection area is a rectangular area, and the detection area includes part of the region of interest in at least two rows or at least two columns.
- the deflection angle of the high frequency component image needs to be determined. Because the reaction chambers on the biochip are generally arranged in an array, that is, the regions of interest are generally arranged in an array, so the detection of the image deflection angle can be realized by the arrangement direction of the chambers, and the use of a rectangular area is conducive to determining the long side direction of the selected detection area. The relative deflection angle to the alignment direction of the reaction chambers.
- the detection area includes at least two rows or at least two columns of part of the region of interest, which can ensure the detection of the arrangement direction of the reaction chambers.
- the size of the detection area can be flexibly configured according to the area spacing of the area of interest and the radius of the area of interest, etc., which is not specifically limited here.
- the shape of the detection area may not be limited to the rectangle discussed above, and other suitable shapes such as square, triangle, circle, parallelogram, etc. may be selected according to actual needs, which are not specifically limited here.
- the preset number of detection areas selected each time may be multiple, and the directions of the multiple detection areas may be different, thereby improving the efficiency and accuracy of image deflection angle detection.
- the preset number of detection regions selected each time may be nine.
- the above step 42 includes:
- Step 424 performing dilation processing on the segmented image to connect adjacent regions of interest in a preset direction
- Step 425 taking the largest contour in the detection area after the expansion process and performing principal component analysis to obtain the contour direction
- Step 426 Determine the deflection angle of the image according to the contour direction to correct the preprocessed image to obtain a deflection corrected image.
- the segmented region of interest may be expanded in a preset direction, so that the contour of the region of interest extends along the preset direction, so that the contours of adjacent regions of interest are connected to each other.
- the preset direction may be the long side direction of the rectangular detection area.
- Fig. 15 shows a schematic diagram of the outline obtained by expanding the regions of interest in the nine chambers in a preset direction when there are nine detection regions.
- the largest contour in the detection region is selected for PCA principal component analysis to obtain the contour direction.
- the obtained contour direction can be used as the arrangement direction of the reaction chambers. In particular, when there are multiple detection areas, you can perform PCA principal component analysis on the largest contour in the multiple detection areas to obtain the contour direction.
- step 425 can determine the image deflection angle of the biochip image and the preprocessing image according to the contour direction, and perform deflection angle correction on the biochip image and/or the preprocessing quantity image to obtain a deflection corrected image.
- the present application can solve the problem of deflection angle detection by adjoining the same-direction region of interest to form the largest contour and then using the PCA principal component analysis method.
- the above step 42 includes:
- Step 427 re-selecting a preset number of detection areas randomly in the preprocessed image by increasing the selection area with a preset ratio
- Step 428 iteratively detect the deflection angle of the image until the deflection angle of the image is smaller than a preset angle threshold to obtain a deflection corrected image.
- the image deflection angle is repeatedly and iteratively detected through detection regions of different sizes, thereby ensuring the accuracy of the image deflection angle.
- the preset angle threshold value range can be determined by the following conditional formula:
- ⁇ is the preset angle threshold
- dist is the area distance of the area of interest
- rad is the area radius of the area of interest
- m is the number of rows of the area of interest in the detection area
- n is the number of columns of the area of interest in the detection area.
- the biochip image can be accurately aligned with the help of hardware equipment during shooting, so that the deflection correction image can be directly determined according to the biochip image shot after accurate alignment. In this case, it can be omitted.
- a marker bit may also be set on the biochip entity. After the biochip image is acquired, a relative coordinate system can be constructed by identifying the marker bit on the biochip, and the deflection angle of the chip relative to the camera can be obtained, and then the deflection correction can be obtained by correction. image.
- angle deflection correction may not be limited to the embodiments discussed above, and an appropriate correction method may be selected according to the actual situation, so that the analysis device can determine that the region of interest on the chip satisfies the horizontal or vertical arrangement relative position according to the deflection correction image. Make specific restrictions.
- the above step 42 includes:
- Step 427' increase the selection area with a preset ratio and randomly select a preset number of detection areas in the preprocessed image.
- Step 428' repeating iteratively detecting the deflection angle of the image for a preset number of times to obtain a deflection corrected image.
- the preset number of times may be preset by the system or set by a user according to actual conditions, for example, the preset number of times may be 6 times.
- the above step 43 includes:
- Step 431 build a notch filter
- Step 432 filtering the deflection corrected image by using a notch filter to obtain a periodic pattern enhanced image.
- a notch filter can make the time and space complexity of the algorithm of the biochip image analysis method of the embodiment of the present application lower, and the performance requirements of the hardware device are more relaxed, thereby reducing the cost and improving the operation while ensuring the effect. efficiency.
- the above step 433 includes:
- Step 4331 using a box filter to perform smooth filtering processing on the periodic pattern enhanced image
- Step 4332 Integrate the pixel values in the horizontal direction and the vertical direction on the smoothed image to obtain the first integration curve in the horizontal direction and the second integration curve in the vertical direction, and take the poles of the first integration curve and the second integration curve. set of small value points to determine grid interval lines; and
- Step 4333 Divide grid regions according to grid spacing lines.
- box filter smoothing can help to reduce other noise in the image interfering with the image, and then divide the grid area.
- the length and width of the operator of the box filter satisfy the following conditional expressions:
- b is the length and width of the box filter operator
- dist is the region spacing of the region of interest
- rad is the region radius of the region of interest.
- the above step 43 includes:
- Step 434 using the Hough circle transform to detect the region of interest in the deflection corrected image.
- Step 435 draw a circle according to the detected region of interest to make an approximation to divide it into a grid region.
- the Hough original transform can also be used to detect the area of interest in the deflection correction image, and then draw a circle according to the detected area of interest to approximate the grid area, so as to achieve Grid area division.
- division of the grid area may not be limited to the above-discussed embodiments, and other division methods may be used for division as required, which is not specifically limited here.
- the above step 44 includes:
- Step 441 traverse the grid area, and obtain the pixel value mean square error for each grid area corresponding to the preprocessed image;
- Step 442 when the mean square error is greater than the variance threshold, mark the corresponding region of interest sample as positive;
- Step 443 when the mean square error is not greater than the variance threshold, mark the sample corresponding to the region of interest as negative.
- the mean square error of the pixel values of each grid is compared with the variance threshold, thereby realizing the division of positive and negative.
- the method for analyzing the biochip image includes: outputting the positive and negative identification results of the reaction chamber.
- the method for analyzing biochip images in the embodiments of the present application can realize effective identification of matrix biochip fluorescence images with high throughput and low signal-to-noise ratio.
- the problem of uneven fluorescence illumination of microchips is solved by high-frequency filtering.
- the problem of deflection angle detection is solved by the PCA principal component analysis method of the maximum contour of the adjacent same-direction chamber; the periodic pattern prior of the matrix biochip is used, and the surface contamination and sample injection are minimized by constructing a notch filter.
- the noise caused by the process and the reaction process has successfully realized the automatic analysis of the location of the chamber and the determination of positive and negative samples.
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Abstract
Description
Claims (24)
- 一种芯片装载结构,其中,包括装载板体,所述装载板体具有用于容纳检测芯片的容置空间;所述装载板体的第一板面上设置有贯通至所述容置空间的第一镂空区和至少一个第二镂空区,其中,所述第一镂空区用于暴露所述检测芯片的反应观测区;至少一个所述第二镂空区用于暴露所述检测芯片的至少一个试剂端口;所述装载板体上还设置有连接部,所述连接部能够采用可拆卸地方式与分析装置中的用于运送所述装载板体的输运部连接。
- 根据权利要求1所述的芯片装载结构,其中,在所述第一板面上,且位于所述第一镂空区所在位置处设置有第一凹陷部,所述第一凹陷部在所述第一板面上的正投影面积大于所述第一镂空区在所述第一板面上的正投影面积,且所述第一凹陷部在所述第一板面上的正投影完全覆盖所述第一镂空区在所述第一板面上的正投影。
- 根据权利要求1所述的芯片装载结构,其中,所述第一镂空区在所述第一板面上的正投影形状包括正方形、矩形或者圆形。
- 根据权利要求1所述的芯片装载结构,其中,所述第二镂空区为多个,且沿所述第一板面的第一轴线间隔设置,所述第一轴线在所述装载板体置于所述输运部上时的方向,与所述输运部移入所述分析装置内部的第一移动方向相互平行。
- 根据权利要求4所述的芯片装载结构,其中,在所述第一板面上,且位于每个所述第二镂空区所在位置处均设置有第二凹陷部,所述第二凹陷部在所述第一板面上的正投影面积大于所述第二镂空区在所述第一板面上的正投影面积,且所述第二凹陷部在所述第一板面上的正投影完全覆盖所述第二镂空区在所述第一板面上的正投影。
- 根据权利要求5所述的芯片装载结构,其中,在所述装载板体置于 所述输运部上时,在所述第一移动方向上靠后的所述第二凹陷部在所述第一板面上的正投影面积大于在所述第一移动方向上靠前的所述第二凹陷部在所述第一板面上的正投影面积;在所述第一移动方向上靠后的所述第二凹陷部在所述第一板面上的正投影为长圆形;在所述第一移动方向上靠前的所述第二凹陷部在所述第一板面上的正投影为圆形。
- 根据权利要求1所述的芯片装载结构,其中,所述检测芯片还具有加热电极;所述第一板面上设置有贯通至所述容置空间的第三镂空区,用于暴露所述加热电极。
- 根据权利要求7所述的芯片装载结构,其中,所述第三镂空区延伸至所述第一板面的第一侧边;所述第一侧边与所述第一板面的第一轴线相互垂直;所述第一轴线在所述装载板体置于所述输运部上时的方向,与所述输运部移入所述分析装置内部的第一移动方向相互平行,且所述第一侧边为在所述第一移动方向上靠前的侧边。
- 根据权利要求1所述的芯片装载结构,其中,在所述装载板体的与所述第一板面相背离的第二板面上设置有容置槽,用以构成所述容置空间,且在所述容置槽的内侧面设置有凸出结构,用以将所述检测芯片限定在所述容置槽中。
- 根据权利要求9所述的芯片装载结构,其中,所述凸出结构包括分布在所述第一板面的第一轴线两侧的两组凸部组,每组所述凸部组均包括沿所述第一轴线间隔分布的多个凸部,每个所述凸部自所述容置槽的内侧面朝靠近所述第一轴线的方向凸出,用以与置于所述容置槽中的所述检测芯片的侧面相抵;所述第一轴线在所述装载板体置于所述输运部上时的方向,与所述输运部移入所述分析装置内部的第一移动方向相互平行。
- 根据权利要求10所述的芯片装载结构,其中,所述凸部在所述第二板面上的正投影形状包括圆弧形。
- 根据权利要求9所述的芯片装载结构,其中,所述容置槽延伸至所述第二板面的第二侧边;所述第二侧边与所述第一板面的第一轴线相互垂直;所述第一轴线在所述装载板体置于所述输运部上时的方向,与所述输运部移入所述分析装置内部的第一移动方向相互平行,且所述第二侧边为在所述第一移动方向上靠前的侧边。
- 根据权利要求1所述的芯片装载结构,其中,在所述装载本体的位于在所述第一板面的第一轴线两侧的两个侧面上分别设置有插槽组,每组所述插槽组均包括一个或沿所述第一轴线间隔设置的多个插槽,所述插槽用作所述连接部一一对应地与所述输运部中的插接件插接;所述第一轴线在所述装载板体置于所述输运部上时的方向,与所述输运部移入所述分析装置内部的第一移动方向相互平行。
- 根据权利要求13所述的芯片装载结构,其中,在所述装载板体的与所述第一板面相背离的第二板面上设置有与所述插槽连通的插口,用以供对应的所述插接件移入或移出所述插槽;并且,在所述插槽的位于其第二轴线一侧的侧面上设置有相对于该侧面朝靠近所述第二轴线的方向凸出的限位凸部,用以在所述插接件移动至所述限位凸部和与之相对的所述插槽的底面之间的间隔位置处时,将所述插接件限定在所述插槽中;所述插槽的第二轴线与所述插接件移入或移出所述插槽的移动方向相互平行。
- 一种分析装置,包括:装载部、输运部、控温部和信号检测部,其中,所述装载部采用权利要求1-14中任意一项所述的芯片装载结构,用于承载检测芯片,且能够与所述输运部可拆卸地连接;所述输运部配置为运送所述芯片装载结构;所述控温部包括加热器以及冷却器,其中,所述加热器配置为加热所述检测芯片,所述冷却器配置为对所述检测芯片降温;以及所述信号检测部包括光学传感器,其中,所述光学传感器配置为接收来自所述检测芯片的光并根据所述光进行检测。
- 根据权利要求15所述的分析装置,其中,所述输运部包括:输运结构,配置为承载所述芯片装载结构且可至少部分被驱动;以及驱动器,配置为能够驱动所述输运结构,以将所述芯片装载结构在第一位置、第二位置和第三位置之间往复移动,其中,所述第一位置允许将所述芯片装载结构接纳在所述输运结构中;所述第二位置允许所述控温部调节所述检测芯片的温度;以及所述第三位置允许所述信号检测部的所述光学传感器接收来自所述检测芯片的所述光。
- 根据权利要求16所述的分析装置,其中,所述输运结构包括:载物台,配置为在使用中承载所述芯片装载结构;可移动平台,配置为与所述驱动器连接,以在所述驱动器的驱动下进行移动;以及支架,配置为连接所述载物台和所述可移动平台,由此使得当可移动平台被驱动时可以带动载物台。
- 根据权利要求17所述的分析装置,其中,所述装载部采用权利要求13或14所述的芯片装载结构;在所述载物台的承载面上设置有用于容纳所述装载板体的安装槽,且在所述载物台的第一侧面设置有与所述安装槽连通的安装槽开口,用以供所述装载板体移入或移出所述安装槽,所述第一侧面与所述载物台移入所述分析装置内部的第一移动方向相互垂直,且为在所述第一移动方向上朝后的侧面;并且,在所述载物台上还设置有自所述安装槽的侧面朝靠近所述安装槽 的第三轴线的方向凸出的所述插接件;所述第三轴线与所述第一移动方向相互平行。
- 根据权利要求17所述的分析装置,其中,所述装载部采用权利要求7所述的芯片装载结构;所述加热器包括至少一个接触电极,至少一个所述接触电极配置为在使用中一一对应地与所述检测芯片的至少一个所述加热电极电接触;所述加热器还配置为通过所述接触电极向所述检测芯片的所述加热电极施加电信号,以使所述加热电极加热所述检测芯片。
- 根据权利要求19所述的分析装置,其中,所述接触电极固定在所述载物台的承载面上,且位于所述安装槽的与所述安装槽开口相对的一侧,并且所述接触电极的一端相对于所述安装槽的侧面沿与所述载物台移入所述分析装置内的第一移动方向相反的方向凸出;所述接触电极设置有用于与所述加热电极电接触的接触部,所述接触部相对于所述接触电极的与所述加热电极相对的表面,朝靠近所述加热电极的方向凸出;并且,所述加热器还包括弹性件,所述弹性件分别与所述接触电极和所述载物台连接,用以向所述接触电极施加朝向所述载物台的承载面的拉力。
- 根据权利要求20所述的分析装置,其中,所述弹性件包括弹簧。
- 根据权利要求19所述的分析装置,其中,在所述载物台的承载面上设置有电极插槽,所述接触电极插设在所述电极插槽中,并且所述接触电极与所述载物台通过紧固件固定连接。
- 根据权利要求15所述的分析装置,其中,所述信号检测部还包括:光源,配置为在使用中提供光以照射所述检测芯片;光传输部,配置为在使用中将所述光源提供的所述光传输至所述检测芯片以及将由所述检测芯片发出的光传输至所述光学传感器;以及托架,用于固定和承载所述光源和所述光传输部,且在所述托架上还设 置有焦距调节结构,所述焦距调节结构配置为调节所述光传输部与所述检测芯片之间的距离,以使所述检测芯片位于所述光传输部的焦点处;并且,所述焦距调节结构具有焦距调节旋钮以及与所述焦距调节旋钮连接的旋钮延长部,所述旋钮延长部延伸至靠近所述光传输部的一侧,以便于人工调节。
- 一种分析系统,包括:如权利要求15至23中任一项所述的分析装置;以及所述检测芯片。
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