CN219573916U - Portable multi-connected reagent card immunity analyzer - Google Patents

Abstract

The utility model provides a portable multi-connected reagent card immunoassay instrument which is suitable for a plurality of multi-connected reagent cards with different sizes and specifications, and comprises a shell, a loading piece, a driving device, an optical detection unit and a control unit. The shell is provided with a multi-connected reagent card socket communicated with the inside of the shell and the outside of the shell. The loading piece comprises a chassis piece, a first adjusting piece and a second adjusting piece, wherein the first adjusting piece and the second adjusting piece are arranged on the chassis piece, the first adjusting piece and the second adjusting piece are respectively and movably connected with the chassis piece, a loading channel for loading and limiting the loading direction of the multi-linked reagent card is formed between the first adjusting piece and the second adjusting piece, and one end of the loading channel is communicated with the multi-linked reagent card socket. The utility model improves the single sampling utilization rate and the detection efficiency, adjusts the position of the loading channel relative to the optical detection unit through the mutual cooperation of the driving device, and the optical detection unit can detect the results of different positions in the multi-connected reagent card without moving, thereby ensuring the stability of the optical detection unit and avoiding the fluctuation of the detection result.

Description

Portable multi-connected reagent card immunity analyzer

Technical Field

The utility model relates to an immunoassay instrument, in particular to a portable multi-linked reagent card immunoassay instrument, and belongs to the technical field of medical detection equipment.

Background

The portable immunity analyzer in the prior art is mostly suitable for a single-connection reagent card, and the single operation completes the detection of one test item when the detection operation is carried out. In order to improve the detection efficiency, improve the utilization rate of single sampling and reduce the sampling times, an immunoassay instrument which is suitable for a multi-linked reagent card has also been developed and marketed.

The Chinese patent application No. 2020214570232 discloses a portable multi-card fluorescence immunoassay analyzer, which is characterized in that a multi-card fluorescence immunoassay reagent card detection mechanism, a circuit board and a printing mechanism are integrated into a shell, a reagent card to be detected is inserted from a multi-card reagent card inlet at the front end of the shell, a control circuit on the circuit board is used for controlling the operation of the fluorescence immunoassay reagent card detection mechanism and the printing mechanism, and finally detection data is printed out.

Although the portable multi-card fluorescence immunoassay analyzer can complete the operation of one or more detection items by matching with the multi-card reagent card once, the portable multi-card fluorescence immunoassay analyzer cannot be adapted to multi-card reagent cards with various specifications, the multi-card reagent cards with various sizes can be detected by matching with analyzers with multi-card reagent card inlets with the same sizes as the multi-card reagent cards, and the detection can not be carried out by matching with different sizes, so that the utilization rate of the analyzer is positively influenced and the detection cost is improved.

Disclosure of Invention

Based on the background, the utility model aims to provide a portable multi-linked reagent card immunoassay analyzer which is suitable for multiple multi-linked reagent cards with different sizes and specifications, and improves the single sampling utilization rate and the detection efficiency.

In order to achieve the above object, the present utility model provides the following technical solutions:

a portable multi-linked reagent card immunoassay instrument comprising:

the shell is provided with a multi-connected reagent card socket which is communicated with the inside of the shell and the outside of the shell;

the loading part comprises a chassis part, a first adjusting part and a second adjusting part, wherein the first adjusting part and the second adjusting part are arranged on the chassis part and are respectively and movably connected with the chassis part, a loading channel for loading and limiting the loading direction of the multi-linked reagent card is formed between the first adjusting part and the second adjusting part, and one end of the loading channel is communicated with the multi-linked reagent card socket;

the driving device is used for driving the first adjusting piece, the second adjusting piece and the chassis piece to perform linear motion relative to the shell;

the optical detection unit is fixedly connected with the inner wall of the shell and is positioned above the loading channel; the method comprises the steps of,

the control unit is arranged inside the shell and is electrically connected with the driving device and the optical detection unit.

The portable multi-linked reagent card immunoassay analyzer is suitable for a plurality of multi-linked reagent cards with different sizes, in an initial state, a driving device drives a first adjusting piece and a second adjusting piece to be at the farthest positions far away from each other, the width of a loading channel is adjusted to be the largest at the moment, then a multi-linked reagent card with one size is inserted into the loading channel through a multi-linked reagent card socket, and the driving device drives the first adjusting piece and the second adjusting piece to be close to each other, namely the width of the loading channel is changed, so that the first adjusting piece and the second adjusting piece clamp the multi-linked reagent card; the driving device cooperatively drives the position of the multi-connected reagent card in the loading channel relative to the chassis piece to change, namely, realize the movement of the multi-connected reagent card relative to the shell in the direction perpendicular to the loading direction, and the driving device drives the chassis piece to change relative to the shell, namely, realize the movement of the multi-connected reagent card relative to the shell in the loading direction; and finally, shifting the multi-connected reagent card to a position of a detection area below the optical detection unit, performing single or multiple optical detection by the optical detection unit, and transmitting the obtained detection signals to the control unit to obtain one or more detection results.

Preferably, the drive means comprises at least two adjustment drive units and a chassis drive unit; the at least one adjusting driving unit is arranged on the chassis piece and used for driving the first adjusting piece to perform linear motion close to and far from the second adjusting piece; at least one other adjusting driving unit is arranged on the chassis piece and used for driving the second adjusting piece to perform linear motion close to and far from the first adjusting piece; the chassis driving unit is fixedly connected with the shell and is used for driving the chassis piece to perform linear motion parallel to the extending direction of the loading channel.

Preferably, the loading part further comprises a first sliding mechanism, the first adjusting part is in sliding connection with the second adjusting part through the first sliding mechanism, the first sliding mechanism comprises a plurality of first sliding parts and a plurality of first sliding grooves matched with the first sliding parts, a part of the first sliding parts penetrate through the first sliding grooves, the first sliding parts can move relative to the first sliding grooves, at least one of the first sliding parts and the first sliding grooves is arranged on one of the first adjusting part and the second adjusting part, and at least one of the first sliding parts and the first sliding grooves is arranged on the other of the first adjusting part and the second adjusting part. The first sliding mechanism can ensure the movement direction of the relative displacement between the first adjusting piece and the second adjusting piece, and improve the movement smoothness.

Preferably, the first sliding mechanism further comprises a plurality of second sliding parts and a plurality of second sliding grooves matched with the second sliding parts, a part of the second sliding parts penetrate through the second sliding grooves, the second sliding parts can move relative to the second sliding grooves, at least one of the second sliding parts and the second sliding grooves is arranged on one of the first adjusting parts and the second adjusting parts, and at least one of the second sliding parts and the second sliding grooves is arranged on the other of the first adjusting parts and the second adjusting parts. The stability of the sliding movement between the first adjusting member and the second adjusting member is further improved by the second sliding member and the second sliding groove.

Preferably, the plurality of first sliding pieces are located above the loading channel and are arranged at intervals along the extending direction of the loading channel, and the plurality of second sliding pieces are located below the loading channel and are arranged at intervals along the extending direction of the loading channel. The above positions of the first slide member and the second slide member are arranged so as to define the height of the loading channel, and the movement of the loaded multi-linked reagent card in the height direction of the loading channel is restricted.

Preferably, the adjusting driving unit comprises an electric push rod and a sliding part, the electric push rod is provided with a fixed end and a movable end, the fixed end of the electric push rod is fixedly connected with the chassis part, the bottom of the first adjusting part and the bottom of the second adjusting part are respectively connected with the chassis part in a sliding way through the sliding part, and the sliding direction of the sliding part is perpendicular to the extending direction of the loading channel and parallel to the moving direction of the movable end of the electric push rod. The cooperation of electric putter and sliding part can guarantee the steady motion of first regulating part and second regulating part in the settlement direction, has simple structure again and practices thrift manufacturing cost's advantage.

Preferably, the chassis driving unit comprises a driving motor, a gear, a rack and a fourth sliding mechanism, wherein the driving motor is fixedly connected with the shell, the output end of the driving motor is connected with the gear, the gear is matched with the rack in a meshed mode, the rack is fixedly connected with the chassis part, the chassis part is in sliding connection with the shell through the fourth sliding mechanism, and the sliding direction of the fourth sliding mechanism is parallel to the extending direction of the loading channel. The chassis driving unit has the advantages of high accuracy of transmission ratio, compact structure and less occupied space, and the specific structure of the chassis driving unit can ensure the motion stability of the chassis piece in the set direction.

Preferably, the chassis part is provided with a first limiting part fixedly connected with the chassis part, and the first limiting part is positioned on a movement path of a part of the first adjusting part in a direction away from the second adjusting part. The first limiting member limits the maximum displacement of the first regulating member away from the second regulating member.

Preferably, the chassis part is further provided with a second limiting part fixedly connected with the chassis part, and the second limiting part is positioned on a movement path of a part of the second adjusting part in a direction away from the first adjusting part. The second limiting member limits the maximum displacement of the second regulating member away from the first regulating member.

Preferably, a third limiting piece fixedly connected with the shell is arranged in the shell, and the third limiting piece is positioned on a moving path of a part of the bottom plate piece in the direction from the multi-connected reagent card socket to the inside of the loading channel. The third limiting member limits the maximum displacement of the chassis member away from the multi-reagent card socket in the loading channel extension direction.

Preferably, the housing comprises a housing cover and a base which are detachably and fixedly connected, the control unit and the optical detection unit are both connected with the housing cover, and the loading piece is connected with the base. The detachable structure of the shell and the connection relation between each part and the shell cover and the base improve the convenience of assembling and disassembling each part.

Compared with the prior art, the utility model has the following advantages:

according to the portable multi-linked reagent card immunoassay analyzer, the width of the loading channel can be quickly changed through the driving device to adapt to multi-linked reagent cards with different sizes, the position of the loading channel relative to the optical detection unit can be changed, the detection area of the multi-linked reagent card is positioned below a detection light path of the optical detection unit, corresponding detection operation is performed, single sampling utilization rate and detection efficiency are improved, the position of the loading channel relative to the optical detection unit is mutually matched through the driving device, the optical detection unit can detect results of different positions in the multi-linked reagent card without moving, the stability of the optical detection unit is ensured, and fluctuation of detection results is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the external perspective structure of a portable multi-linked reagent card immunoassay instrument of the present utility model;

FIG. 2 is a schematic diagram showing the internal perspective structure of a portable multi-linked reagent card immunoassay device according to the present utility model;

FIG. 3 is a schematic diagram showing the internal front view structure of a portable multi-linked reagent card immunoassay device according to the present utility model;

FIG. 4 is a schematic diagram showing the internal structure of a portable multi-linked reagent card immunoassay device according to the present utility model;

fig. 5 is a schematic diagram showing an internal structure of another view angle of a portable multi-linked reagent card immunoassay instrument according to the present utility model.

In the figure: 1. a housing; 2. a loading member; 3. a first adjustment drive unit; 4. a second adjustment drive unit; 5. a chassis driving unit; 6. an optical detection unit; 7. a control unit; 101. a cover; 102. a base; 103. a multi-linked reagent card socket; 104. a third limiting member; 201. a chassis member; 202. a first adjustment member; 203. a second adjusting member; 204. a first slider; 205. a first chute; 206. a second slider; 207. a second chute; 208. a first limiting member; 209. a second limiting piece; 301. a first electric push rod; 302. a second sliding mechanism; 401. a second electric push rod; 402. a third sliding mechanism; 501. a driving motor; 502. a gear; 503. a rack; 504. and a fourth sliding mechanism.

Detailed Description

The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings. It should be understood that the practice of the utility model is not limited to the following examples, but is intended to be within the scope of the utility model in any form and/or modification thereof.

In the present utility model, unless otherwise specified, all parts and percentages are by weight, and the equipment, materials, etc. used are commercially available or are conventional in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components and devices in the following examples are, unless otherwise indicated, all those components and devices known to those skilled in the art, and their structures and principles are known to those skilled in the art from technical manuals or by routine experimentation.

In the following detailed description of embodiments of the utility model, reference is made to the accompanying drawings, in which, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model.

The portable multi-linked reagent card immunoassay analyzer shown in fig. 1-3 can be applied to various chromatographic technology detection technologies such as fluorescent immunochromatography technology, colloidal gold immunochromatography technology, quantum dot immunochromatography technology and the like, and comprises a shell 1, a loading piece 2, a driving device, an optical detection unit 6 and a control unit 7.

The housing 1 is provided with a multi-gang reagent card socket 103 communicating the inside of the housing 1 with the outside of the housing 1. The loading part 2 comprises a chassis part 201, a first adjusting part 202 and a second adjusting part 203 which are arranged on the chassis part 201, the first adjusting part 202 and the second adjusting part 203 are respectively movably connected with the chassis part 201, a loading channel for loading and limiting the loading direction of the multi-linked reagent card is formed between the first adjusting part 202 and the second adjusting part 203, and one end of the loading channel is communicated with the multi-linked reagent card socket 103. The parallel surfaces of the first adjusting member 202 and/or the second adjusting member 203 and the multi-joint reagent card socket 103 are abutted against the multi-joint reagent card socket 103 when the width of the multi-joint reagent card is smaller than that of the multi-joint reagent card socket 103, so that natural light exposed by the multi-joint reagent card socket 103 is shielded, and the part of the loading channel positioned inside the shell 1 is kept in a dark box environment.

The driving device is used for driving the first adjusting piece 202, the second adjusting piece 203 and the chassis piece 201 to perform linear motion relative to the housing 1. In particular, the drive means comprise at least two adjustment drive units and a chassis drive unit 5. In this embodiment, there are two adjusting driving units, namely, a first adjusting driving unit 3 and a second adjusting driving unit 4. Wherein, the first adjusting driving unit 3 is arranged on the chassis member 201, and the first adjusting driving unit 3 is used for driving the first adjusting member 202 to perform linear motion close to and far from the second adjusting member 203. The second adjusting driving unit 4 is disposed on the chassis member 201, and the second adjusting driving unit 4 is configured to drive the second adjusting member 203 to perform linear movement toward and away from the first adjusting member 202. The chassis driving unit 5 is fixedly connected with the housing 1, and the chassis driving unit 5 is used for driving the chassis member 201 to perform linear motion parallel to the extending direction of the loading channel.

The optical detection unit 6 is fixedly connected with the inner wall of the shell 1 and is positioned above the loading channel.

The control unit 7 is disposed inside the housing 1, and the control unit 7 is electrically connected with the first adjusting driving unit 3, the second adjusting driving unit 4, the chassis driving unit 5 and the optical detecting unit 6.

The loading part 2 further comprises a first sliding mechanism, the first adjusting part 202 and the second adjusting part 203 are connected in a sliding way through the first sliding mechanism, and the movement direction of the relative displacement between the first adjusting part 202 and the second adjusting part 203 can be guaranteed and the movement smoothness can be improved through the first sliding mechanism.

The first sliding mechanism includes a plurality of first sliding members 204 and a plurality of first sliding grooves 205 cooperating with the first sliding members 204, and the number of the first sliding members 204 and the number of the first sliding grooves 205 can be adjusted according to practical applications. A portion of the first slider 204 is disposed in the first chute 205, and the first slider 204 is movable relative to the first chute 205. The first sliding members 204 are disposed on the first adjusting member 202 and the second adjusting member 203, the corresponding first sliding grooves 205 are disposed on the first adjusting member 202 and the second adjusting member 203, and the disposed position of each first sliding groove 205 corresponds to the disposed position of the first sliding member 204. Of course, the first slider 204 may be disposed only on the first adjusting member 202 and the first sliding groove 205 may be disposed only on the second adjusting member 203, or the first slider 204 may be disposed only on the second adjusting member 203 and the first sliding groove 205 may be disposed only on the first adjusting member 202.

In order to further improve the stability of the sliding motion between the first adjusting member 202 and the second adjusting member 203, the first sliding mechanism further includes a plurality of second sliding members 206 and a plurality of second sliding grooves 207 cooperating with the second sliding members 206, and the number of the second sliding members 206 and the number of the second sliding grooves 207 may be adjusted according to practical applications. A portion of the second slider 206 is disposed in the second slide groove 207, and the second slider 206 is movable relative to the second slide groove 207. The second sliding members 206 are disposed on the first adjusting member 202 and the second adjusting member 203, and the corresponding second sliding grooves 207 are disposed on the first adjusting member 202 and the second adjusting member 203, and the disposed position of each second sliding groove 207 corresponds to the disposed position of the second sliding member 206. Of course, the second sliding member 206 may be disposed only on the first adjusting member 202 and the second sliding groove 207 may be disposed only on the second adjusting member 203, or the second sliding member 206 may be disposed only on the second adjusting member 203 and the second sliding groove 207 may be disposed only on the first adjusting member 202.

The first sliding parts 204 are located above the loading channel and are arranged at intervals along the extending direction of the loading channel, the second sliding parts 206 are located below the loading channel and are arranged at intervals along the extending direction of the loading channel, the first sliding parts 204 and the second sliding parts 206 are matched to form a fence structure located above and below the loading channel, the height of the loading channel can be limited, and therefore the movement of the loaded multi-connected reagent card in the height direction of the loading channel is limited.

The adjustment drive unit of the present embodiment includes an electric push rod and a sliding member, and detailed description is made below of specific structures of the first adjustment drive unit 3 and the second adjustment drive unit 4, respectively.

As shown in fig. 4 and 5, the first adjustment driving unit 3 includes a first electric push rod 301 and a second sliding mechanism 302, the first electric push rod 301 has a fixed end and a moving end, the fixed end of the first electric push rod 301 is fixedly connected with the chassis member 201, and the moving end of the first electric push rod 301 is fixedly connected with a side of the first adjustment member 202 facing away from the loading channel. The bottom of the first adjusting member 202 is slidably connected to the chassis member 201 through a second sliding mechanism 302, and the sliding direction of the second sliding mechanism 302 is perpendicular to the extending direction of the loading channel and parallel to the moving direction of the moving end of the first electric push rod 301. The cooperation of the first electric push rod 301 and the second sliding mechanism 302 not only ensures the stable movement of the first adjusting member 202 in the set direction, but also has the advantages of simple structure and production cost saving. Of course, other types of transmission structures may be used for the first adjustment driving unit 3 instead of the first electric push rod 301, such as a motor and a transmission assembly that converts the rotation motion output by the motor into a linear motion, including but not limited to a belt transmission assembly, a chain transmission assembly, a rack and pinion transmission assembly, and a worm and gear transmission assembly.

The second adjusting driving unit 4 includes a second electric push rod 401 and a third sliding mechanism 402, the second electric push rod 401 has a fixed end and a moving end, the fixed end of the second electric push rod 401 is fixedly connected with the chassis member 201, and the moving end of the second electric push rod 401 is fixedly connected with one side of the second adjusting member 203, which is far away from the loading channel. The bottom of the second adjusting member 203 is slidably connected to the chassis member 201 through a third sliding mechanism 402, and the sliding direction of the third sliding mechanism 402 is perpendicular to the extending direction of the loading channel and parallel to the moving direction of the moving end of the second electric push rod 401. The cooperation of the second electric push rod 401 and the third sliding mechanism 402 not only ensures the stable movement of the second adjusting member 203 in the set direction, but also has the advantages of simple structure and production cost saving. Of course, the second adjustment driving unit 4 may also use other types of transmission structures instead of the second electric push rod 401, such as a motor and a transmission assembly that converts the rotation motion output by the motor into a linear motion, including but not limited to a belt transmission assembly, a chain transmission assembly, a rack and pinion transmission assembly, and a worm and gear transmission assembly.

The chassis driving unit 5 comprises a driving motor 501, a gear 502, a rack 503 and a fourth sliding mechanism 504, the driving motor 501 is fixedly connected with the shell 1, the output end of the driving motor 501 is connected with the gear 502, the gear 502 is meshed with the rack 503, and the rack 503 is fixedly connected with the chassis part 201. The chassis 201 is slidably connected to the housing 1 by a fourth slide mechanism 504, the sliding direction of which is parallel to the extending direction of the loading passage. The specific structure of the chassis driving unit 5 not only ensures the motion stability of the chassis member 201 in the set direction, but also has the advantages of high accuracy of transmission ratio, compact structure and less occupied space. Of course, the chassis drive unit 5 may also have other types of transmission assemblies, including but not limited to belt transmission assemblies, chain transmission assemblies, and worm gear transmission assemblies, other than the gear 502 and the rack 503.

The second sliding mechanism 302, the third sliding mechanism 402 and the fourth sliding mechanism 504 have the same structure and respectively comprise a sliding rail and a sliding block in sliding fit with the sliding rail, the sliding rail is provided with a sliding groove, and the sliding block is embedded in the sliding groove, so that the movement path of the sliding block is limited to be along the extending direction of the sliding groove. The sliding rail of the second sliding mechanism 302 is connected with the chassis member 201, and the sliding block is connected with the first adjusting member 202, so that the first adjusting member 202 can slide linearly relative to the chassis member 201. The slide rail of the third sliding mechanism 402 is connected to the chassis member 201 and the slider is connected to the second adjusting member 203, so that the second adjusting member 203 can slide linearly with respect to the chassis member 201. The slide rail of the fourth slide mechanism 504 is connected to the bottom of the chassis member 201 and the slider is connected to the inner wall of the housing 1, so that the chassis member 201 can slide linearly with respect to the housing 1. Since the chassis member 201 has a large area, in order to ensure uniform stress and to improve the smoothness of sliding of the chassis member 201 with respect to the housing 1, the fourth sliding mechanisms 504 are provided in two, and are installed in parallel to each other at the bottom of the chassis member 201.

The chassis member 201 is provided with a first limiting member 208 fixedly connected with the chassis member 201, the first limiting member 208 is located on a movement path of a portion of the first adjusting member 202 in a direction away from the second adjusting member 203, and the first limiting member 208 limits a maximum displacement of the first adjusting member 202 away from the second adjusting member 203.

The chassis member 201 is further provided with a second limiting member 209 fixedly connected to the chassis member 201, the second limiting member 209 is located on a movement path of a portion of the second adjusting member 203 in a direction away from the first adjusting member 202, and the second limiting member 209 limits a maximum displacement of the second adjusting member 203 away from the first adjusting member 202.

The arrangement positions of the first and second stoppers 208 and 209 define the maximum displacement of the first and second regulating members 202 and 203 in the direction away from the loading passage.

The inside third locating part 104 that is equipped with casing 1 fixed connection of casing 1, third locating part 104 are located in the motion route of a part of chassis piece 201 from the inside direction of multiple reagent card socket 103 toward the loading passageway, and third locating part 104 makes the restriction to the maximum displacement that chassis piece 201 kept away from multiple reagent card socket 103 in the loading passageway extending direction.

In order to improve the convenience of disassembly and assembly of the portable multi-linked reagent card immunoassay analyzer, the housing 1 comprises a housing cover 101 and a base 102 which are detachably and fixedly connected, and a multi-linked reagent card socket 103 is positioned at one end part of the housing cover 101. The control unit 7 and the optical detection unit 6 are both connected to the cover 101, and the loading member 2 is connected to the base 102. The detachable structure of the housing 1 improves the convenience of attachment and detachment of the components in relation to the connection of the components to the cover 101 and the base 102.

The portable multi-linked reagent card immunoassay instrument is suitable for a plurality of multi-linked reagent cards with different sizes. In the initial state, the first adjusting driving unit 3 and the second adjusting driving unit 4 drive the first adjusting member 202 and the second adjusting member 203 to be at the farthest positions away from each other, respectively, and the width of the loading channel is adjusted to be maximum. The multiple reagent cards of one specification are then inserted into the loading channel by the multiple reagent card sockets 103, and the first and second regulating members 202 and 203 are driven to approach each other by the first and second regulating driving units 3 and 4, i.e., the width of the loading channel is changed, so that the multiple reagent cards are held by the first and second regulating members 202 and 203. The first adjustment drive unit 3 and the second adjustment drive unit 4 then co-operate to change the position of the multi reagent card in the loading channel relative to the chassis member 201, i.e. to effect movement of the multi reagent card relative to the housing 1 in a direction perpendicular to the loading direction, and to change the position of the chassis member 201 relative to the housing 1, i.e. to effect movement of the multi reagent card relative to the housing 1, by actuation of the chassis drive unit 5. The cooperative movement finally enables the multi-linked reagent card to be shifted to the position of the detection area below the optical detection unit 6, the optical detection unit 6 performs single or multiple optical detection, the obtained detection signal is transmitted to the control unit 7 to obtain one or more detection results, in the process, the optical detection unit 6 can detect the results of different positions in the multi-linked reagent card without movement, the stability of the optical detection unit 6 is ensured, and fluctuation of the detection results is avoided. When using a multi-pack reagent card of another size, the first adjustment drive unit 3 and the second adjustment drive unit 4 can quickly change the width of the loading channel to fit the multi-pack reagent card of that size without having to replace the analyzer.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. A portable multi-connected reagent card immunity analyzer is characterized in that: the portable multi-linked reagent card immunoassay instrument comprises:

the device comprises a shell (1), wherein the shell (1) is provided with a multi-connected reagent card socket (103) which is communicated with the inside of the shell (1) and the outside of the shell (1);

the loading part (2), the loading part (2) comprises a chassis part (201), a first adjusting part (202) and a second adjusting part (203) which are arranged on the chassis part (201), the first adjusting part (202) and the second adjusting part (203) are respectively and movably connected with the chassis part (201), a loading channel for loading and limiting the loading direction of the multi-connected reagent card is formed between the first adjusting part (202) and the second adjusting part (203), and one end of the loading channel is communicated with the multi-connected reagent card socket (103);

the driving device is used for driving the first adjusting piece (202), the second adjusting piece (203) and the chassis piece (201) to perform linear motion relative to the shell (1);

the optical detection unit (6) is fixedly connected with the inner wall of the shell (1) and is positioned above the loading channel; the method comprises the steps of,

and the control unit (7) is arranged inside the shell (1), and the control unit (7) is electrically connected with the driving device and the optical detection unit (6).

2. The portable multi-linked reagent card immunoassay instrument of claim 1, wherein: the drive device comprises at least two adjustment drive units and a chassis drive unit (5); at least one adjusting driving unit is arranged on the chassis piece (201) and used for driving the first adjusting piece (202) to perform linear movement close to and far from the second adjusting piece (203); at least one other adjusting driving unit is arranged on the chassis piece (201) and is used for driving the second adjusting piece (203) to perform linear motion close to and far from the first adjusting piece (202); the chassis driving unit (5) is fixedly connected with the shell (1) and is used for driving the chassis piece (201) to perform linear motion parallel to the extending direction of the loading channel.

3. The portable multi-linked reagent card immunoassay instrument of claim 1, wherein: the loading piece (2) further comprises a first sliding mechanism, the first adjusting piece (202) is in sliding connection with the second adjusting piece (203) through the first sliding mechanism, the first sliding mechanism comprises a plurality of first sliding pieces (204) and a plurality of first sliding grooves (205) matched with the first sliding pieces (204), a part of the first sliding pieces (204) is arranged in the first sliding grooves (205) in a penetrating mode, the first sliding pieces (204) can move relative to the first sliding grooves (205), at least one of the first sliding pieces (204) and the first sliding grooves (205) is arranged on one of the first adjusting piece (202) and the second adjusting piece (203), and at least one other of the first sliding pieces (204) and the first sliding grooves (205) is arranged on the other of the first adjusting piece (202) and the second adjusting piece (203).

4. A portable multi-linked reagent card immunoassay according to claim 3, wherein: the first sliding mechanism further comprises a plurality of second sliding parts (206) and a plurality of second sliding grooves (207) matched with the second sliding parts (206), a part of the second sliding parts (206) penetrate through the second sliding grooves (207), the second sliding parts (206) can move relative to the second sliding grooves (207), at least one of the second sliding parts (206) and the second sliding grooves (207) is arranged on one of the first adjusting parts (202) and the second adjusting parts (203), and at least one of the second sliding parts (206) and the second sliding grooves (207) is arranged on the other of the first adjusting parts (202) and the second adjusting parts (203).

5. The portable multi-linked reagent card immunoassay instrument of claim 4, wherein: the plurality of first sliding pieces (204) are positioned above the loading channel and are arranged at intervals along the extending direction of the loading channel, and the plurality of second sliding pieces (206) are positioned below the loading channel and are arranged at intervals along the extending direction of the loading channel.

6. The portable multi-linked reagent card immunoassay instrument of claim 2, wherein: the adjusting driving unit comprises an electric push rod and a sliding part, the electric push rod is provided with a fixed end and a movable end, the fixed end of the electric push rod is fixedly connected with the chassis part (201), the bottoms of the first adjusting part (202) and the second adjusting part (203) are respectively connected with the chassis part (201) in a sliding mode through the sliding part, and the sliding direction of the sliding part is perpendicular to the extending direction of the loading channel and parallel to the moving direction of the movable end of the electric push rod.

7. The portable multi-linked reagent card immunoassay instrument of claim 2, wherein: the chassis drive unit (5) comprises a drive motor (501), a gear (502), a rack (503) and a fourth sliding mechanism (504), wherein the drive motor (501) is fixedly connected with the shell (1), the output end of the drive motor (501) is connected with the gear (502), the gear (502) is matched with the rack (503) in a meshing mode, the rack (503) is fixedly connected with the chassis piece (201), and the chassis piece (201) is in sliding connection with the shell (1) through the fourth sliding mechanism (504), and the sliding direction of the fourth sliding mechanism is parallel to the extending direction of the loading channel.

8. The portable multi-linked reagent card immunoassay instrument of claim 1, wherein: the chassis part (201) is provided with a first limiting part (208) fixedly connected with the chassis part (201), and the first limiting part (208) is positioned on a moving path of a part of the first adjusting part (202) in a direction far away from the second adjusting part (203).

9. The portable multi-linked reagent card immunoassay instrument of claim 1, wherein: the chassis part (201) is further provided with a second limiting part (209) fixedly connected with the chassis part (201), and the second limiting part (209) is positioned on a moving path of a part of the second adjusting part (203) in a direction far away from the first adjusting part (202).

10. The portable multi-linked reagent card immunoassay instrument of claim 1, wherein: the inside of the shell (1) is provided with a third limiting part (104) fixedly connected with the shell (1), and a part of the third limiting part (104) positioned on the bottom plate part (201) is positioned on a moving path from the multi-connected reagent card socket (103) to the inside direction of the loading channel.