A card storage channel switching device and method for immunoassay equipment

Abstract

The present invention discloses a card magazine channel switching device and method for use in immunoassay equipment, comprising a card magazine, a card magazine cover, and a microswitch circuit board, wherein the card magazine cover is fixedly connected to the card magazine, the microswitch circuit board is fixedly connected to one end of the card magazine, a plurality of microswitches are provided on the microswitch circuit board, the card magazine comprises a plurality of card magazine channels for inserting and placing card strips, the microswitches are respectively correspondingly provided at the bottom ends of the card magazine channels, and a channel switching member for separating the card magazine channels is elastically connected between the card magazine channels. The present invention has a simple structure, the initial state of the card magazine is a single card mode with three single card channels, and it can automatically switch to the linked card mode by inserting a linked card, the channel switching process is automated, and it automatically returns to the single card mode when it is removed. The present invention provides a card magazine channel switching device and method for use in immunoassay equipment, which realizes intelligent identification, eliminates the need for manual switching, ensures the channel switching effect, and improves the convenience and accuracy of operation.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a card compartment channel switching device and method applied to immunoassay equipment. Background Art

[0002] Immunological testing utilizes the specific reaction between antigens and antibodies. Isotopes, enzymes, and chemiluminescent substances can be used to amplify and display the detection signal, making it commonly used to detect trace substances such as proteins and hormones. Automated immunoassays, due to their convenience, speed, accuracy, and stability, are now widely used in clinical practice and have become a primary method for clinical immunodiagnosis.

[0003] During the testing process, a single patient sample may need to be tested for different items simultaneously, or different samples may need to be tested for the same item simultaneously. To meet these two requirements and ensure convenient and rapid testing, the card slots need to be switched. Traditional card slot channel switches are shaky, difficult to fix, and non-integrated, making them easy to lose. They also suffer from inconsistent channel sizes, requiring additional operation to switch channels, and failing to identify whether a card is inserted or not, often leading to improper insertion. Summary of the Invention

[0004] The object of the present invention is to provide a card magazine channel switching device and method for use in immunoassay equipment to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A card magazine channel switching device for use in immunoassay equipment comprises a card magazine, a card magazine cover, and a microswitch circuit board, wherein the card magazine cover is fixedly connected to the card magazine, the microswitch circuit board is fixedly connected to one end of the card magazine, a plurality of microswitches are provided on the microswitch circuit board, the card magazine comprises a plurality of card magazine channels for inserting and placing card strips, the microswitches are respectively arranged at the bottom ends of the card magazine channels, and channel switching members for switching the card magazine channels are elastically connected between the card magazine channels.

[0007] As a further solution of the present invention: the card bin includes a bottom plate, on which a left baffle, a partition plate and a right baffle parallel to each other are fixedly connected in sequence, and the left baffle and the right baffle are respectively fixed at both ends of the bottom plate.

[0008] As a further solution of the present invention: the card strip includes a single card and a linked card, the single card is provided with a group of sample detection positions, the linked card is provided with three groups of sample detection positions in sequence, a first single card channel for inserting the single card is provided between the left baffle and the partition, a second single card channel for inserting the single card, a linked card channel and a third single card channel for inserting the single card are provided between the partition and the right baffle, and a U-shaped groove is provided in the middle of the first single card channel, the second single card channel and the third single card channel.

[0009] As a further solution of the present invention: at least two upward spring pieces are respectively provided in the U-shaped groove through fixing members.

[0010] As a further solution of the present invention: the card compartment cover has the same size as the card compartment, and a detection window is opened on the card compartment cover, and the detection window includes a first detection port, a second detection port, a linked card detection port and a third detection port. The first detection port, the second detection port, the linked card detection port and the third detection port respectively correspond to the positions of the first single card channel, the second single card channel, the linked card channel and the third single card channel. The first detection port corresponds to the sample detection position on the single card, the second detection port, the linked card detection port and the third detection port respectively correspond to the three groups of sample detection positions on the linked card in sequence. The detection window is a U-shaped structure, and the length and width of the detection window are smaller than the length and width of the card strip.

[0011] As a further solution of the present invention: a U-shaped opening is provided in the middle of the connecting card channel, a U-shaped channel switching base is fixedly provided on the inner side of the U-shaped opening, the channel switching member is arranged between the channel switching bases, the two sides of the channel switching member are connected between the channel switching bases through sliding pins, and the end of the channel switching member is fixedly connected to the channel switching base through a telescopic pin, and a spring is sleeved on the telescopic pin.

[0012] As a further solution of the present invention: the micro switches are respectively arranged at the bottom of the first single card channel, the second single card channel, the linked card channel and the third single card channel.

[0013] A method for using the device includes the following steps:

[0014] S1: Connect this device to the immunoassay equipment

[0015] S2: Insert the card strip to be tested into the card slot on the device. Once the card strip is inserted into place, it will trigger the micro switch at the bottom of the card slot where the card strip is located.

[0016] 1) When a single card is inserted, the micro switch at the bottom of the first single card channel, the second single card channel, or the third single card channel is triggered;

[0017] 2) When a linked card is inserted, the channel switch is pushed in and sinks, and is located between the second single card channel, the linked card channel, and the third

[0018] The micro switches at the bottom of the single card channel are triggered simultaneously;

[0019] S3: The micro switch circuit board sends the micro switch signal after being triggered in different card slot channels to the control end of the immunoassay device

[0020] 1) When the micro switch signal recognized by the control end does not include the micro switch signal of the linked card channel, the control end of the immunoassay device determines that the device is in single card mode;

[0021] 2) When the control end identifies the micro switch from the second single card channel, the linked card channel and the third single card channel at the same time

[0022] When the signal is received, the control terminal of the immunoassay device determines that the device is in the card-linking mode;

[0023] S4: The control end of the immunoassay device identifies the switch signal of the micro switch and determines the card slot channel to which the signal belongs, and whether the smart card slot channel is inserted with a card strip.

[0024] 1) When the device is in single-card mode, the control end of the immunoassay device determines the card channel to which the microswitch signal belongs and sends an instruction to test the sample on the card strip in the card channel. If no card channel signal is recognized, the control end determines that no card strip is inserted in this channel and skips the test of this channel.

[0025] 2) When the device is in the linked card mode, the control end of the immunoassay device sends a command to directly and simultaneously test the samples on the second single card channel, the linked card channel, and the third single card channel. If the microswitch circuit board detects the microswitch signal from the first single card channel and transmits it to the control end, the immunoassay device will also simultaneously test the test samples on the card strip of the first single card channel. If the control end does not receive the microswitch signal on the first single card channel,

[0026] The control end determines that there is no card inserted in this channel and will skip the detection of this channel.

[0027] S5: After the sample test on the card strip is completed, the card strip is pulled out. If the pulled out card is a link card, the channel switching part is pushed out and raised.

[0028] The device will automatically be put into single card mode.

[0029] S6: Perform a new card strip test and repeat steps S1-S5.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] 1. Each channel has the same size. In single card mode, three single cards can be inserted at the same time. In linked card mode, one single card and one linked card can be inserted at the same time. The single card mode and linked card mode are integrated. The integrated structure of the card compartment channel and the card compartment channel that can be switched at will solve the problem of additional operation required for channel switching when testing samples simultaneously.

[0032] 2. The channel switching part is set to sink when pushed in and rise when pushed out. It is easy to operate and ensures stable switching of the card channel.

[0033] 3. By triggering the micro switch, the control end automatically determines the card insertion mode and performs insertion detection through the micro switch circuit board to determine the channel that needs to be tested, thereby improving the convenience and speed of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a three-dimensional diagram of the present invention in single card mode;

[0035] Figure 2 Schematic diagram of the card strip position in the single card mode of the present invention;

[0036] Figure 3 This is a three-dimensional diagram of the present invention in the linked card mode;

[0037] Figure 4 This is a schematic diagram of the card strip position in the linked card mode of the present invention;

[0038] Figure 5 Schematic diagram of the card compartment cover of the present invention.

[0039] In the figure: 1-card compartment, 11-first single card channel, 12-second single card channel, 13-linked card channel, 131-channel switching base, 132-channel switching member, 133-sliding pin, 134-telescopic pin, 135-spring, 14-third single card channel, 15-bottom plate, 151-left baffle, 152-partition, 153-right baffle, 16-spring, 2-card compartment cover, 21-first detection port, 22-second detection port, 23-linked card detection port, 24-third detection port, 3-micro switch circuit board, 41-single card, 42-linked card. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] See also Figure 1In an embodiment of the present invention, a card magazine channel switching device and method for use in immunoassay equipment includes a card magazine 1, a card magazine cover 2, and a microswitch circuit board 3. The card magazine cover 2 is fixedly connected to the card magazine 1. The microswitch circuit board 3 is fixedly connected to one end of the card magazine 1. A plurality of microswitches are provided on the microswitch circuit board 3. The card magazine 1 includes a plurality of card magazine channels for inserting and placing card strips. The microswitches are respectively provided at the bottom ends of the card magazine channels. A channel switching member 132 for switching the card magazine channels is elastically connected between the card magazine channels. Providing multiple card magazine channels allows for simultaneous detection of multiple card strips. The elastically connected channel switching member 132 is in an raised state when the card magazine channels are separated and used independently, and is in a lowered state when the multiple individual card magazine channels are switched to form a single card magazine channel for use.

[0042] Furthermore, the card hopper 1 includes a base plate 15, to which are fixedly connected, in sequence, mutually parallel, a left baffle 151, a partition plate 152, and a right baffle plate 153. The left baffle plate 151 and the right baffle plate 153 are respectively fixed to the ends of the base plate 15. The left baffle plate 151, the partition plate 152, and the right baffle plate 153 are integrally structured with the base plate 15 to separate card hopper channels of different sizes.

[0043] Furthermore, the card strip includes a single card 41 and a linked card 42. The single card 41 is provided with a set of sample detection sites, and the linked card 42 is provided with three sets of sample detection sites in sequence. A first single card channel 11 for inserting the single card 41 is provided between the left baffle 151 and the partition 152. A second single card channel 12, a linked card channel 13, and a third single card channel 14 for inserting the single card 42 are provided in sequence between the partition 152 and the right baffle 153. U-shaped grooves are defined between the first single card channel 11, the second single card channel 12, and the third single card channel 14. The first single card channel 11, the second single card channel 12, and the third single card channel 14 can each accommodate a single card 41. When used together, the second single card channel 12, the linked card channel 13, and the third single card channel 14 can accommodate a linked card 42.

[0044] Furthermore, at least two upward spring pieces 16 are respectively provided in the U-shaped groove through fixing members. The spring pieces 16 are used to lift the card strip to be tested to the card compartment cover 2, thereby ensuring the flatness of the card strip during testing and contributing to detection accuracy.

[0045] Furthermore, the card compartment cover 2 has the same dimensions as the card compartment 1 and is provided with a detection window, comprising a first detection port 21, a second detection port 22, a combined card detection port 23, and a third detection port 24. The first detection port 21, the second detection port 22, the combined card detection port 23, and the third detection port 24 correspond to the first single card channel 11, the second single card channel 12, the combined card channel 13, and the third single card channel 14, respectively. The first detection port 21 corresponds to the sample detection position on the single card 41, and the second detection port 22, the combined card detection port 23, and the third detection port 24 correspond to the three groups of sample detection positions on the combined card 42, respectively. The detection port has a U-shaped structure, with the length and width of the detection port being smaller than the length and width of the card strip. The detection window is smaller than the card strip, so that the card strip does not slide when it is lifted up to the card compartment cover. The detection window is larger than the sample detection position, so that the test sample is placed in the detection window for complete detection.

[0046] Furthermore, a U-shaped opening is provided in the middle of the interlocking channel, with a U-shaped channel switching base 131 fixedly mounted on the inner side of the U-shaped opening. The channel switching member 132 is disposed between the channel switching bases 131. The two sides of the channel switching member 132 are connected between the channel switching bases 131 via sliding pins 133. The ends of the channel switching member 132 are fixedly connected to the channel switching base 131 via telescopic pins 134, which are sleeved with springs 135. The channel switching member 132 moves in a push-in, sinking, and push-out, rising motion, requiring no additional manual pressure. This ensures that the channel size can be adjusted within a certain range. The compression spring 135 functions to push the channel switching member 135 upward after it has been pushed in and sunk. The sliding pins 133 and telescopic pins 134 serve as guides.

[0047] Furthermore, the micro switches are respectively arranged at the bottom of the first single-card channel 11, the second single-card channel 12, the linked card channel 13, and the third single-card channel 14. The micro switch circuit board 3 can determine whether a card strip is inserted into the first single-card channel 10, the second single-card channel 12, the linked card channel 13, and the third single-card channel 14, and distinguish the channel status in the card compartment 1 through the combination of the micro switches.

[0048] A method for using the device includes the following steps:

[0049] S1: Connect this device to the immunoassay equipment

[0050] S2: Insert the card strip to be tested into the card slot on the device. Once the card strip is inserted into place, it will trigger the micro switch at the bottom of the card slot where the card strip is located.

[0051] 1) When a single card 41 is inserted, the micro switch at the bottom of the first single card channel 11, the second single card channel 12, or the third single card channel 14 is triggered;

[0052] 2) When the linked card 42 is inserted, the channel switching member 132 is pushed in and sinks, and is located in the second single card channel 12, the linked card

[0053] The micro switches at the bottom of channel 13 and the third single card channel 14 are triggered simultaneously;

[0054] S3: The micro switch circuit board 3 sends the micro switch signal after the triggering of different card slot channels to the immunoassay device

[0055] Control terminal of the device

[0056] 1) When the micro switch signal recognized by the control end does not include the micro switch signal of the card link channel 13, the control end of the immunoassay device determines that the device is in single card mode;

[0057] 2) When the control terminal recognizes that the micro switch signals are simultaneously from the second single card channel 12, the linked card channel 13, and the third single card channel 14, the control terminal of the immunoassay device determines that the device is in the linked card mode;

[0058] S4: The control end of the immunoassay device identifies the switch signal of the micro switch and determines the card slot channel to which the signal belongs, and whether the smart card slot channel is inserted with a card strip.

[0059] 1) When the device is in single-card mode, the control end of the immunoassay device determines the card channel to which the microswitch signal belongs and sends an instruction to test the sample on the card strip in the card channel. If no card channel signal is recognized, the control end determines that no card strip is inserted in this channel and skips the test of this channel.

[0060] 2) When the device is in the linked card mode, the control end of the immunoassay device sends a command to directly and simultaneously test the samples on the second single card channel, the linked card channel, and the third single card channel. If the microswitch circuit board detects the microswitch signal from the first single card channel and transmits it to the control end, the immunoassay device will also simultaneously test the test samples on the card strip of the first single card channel. If the control end does not receive the microswitch signal on the first single card channel,

[0061] The control end determines that there is no card inserted in this channel and will skip the detection of this channel.

[0062] S5: After the sample test on the card strip is completed, the card strip is pulled out. If the pulled out card is a linked card, the channel switching member 132 is pushed out and raised, and the device will automatically return to the single card mode.

[0063] S6: Perform new card strip detection and repeat steps S1-S5.

[0064] Although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0065] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent modifications made according to the scope of the claims of the present application are within the scope of protection of the claims of the present application.

Claims

1. A card compartment channel switching device for use in an immunoassay device, comprising a card compartment (1), a card compartment cover (2), and a microswitch circuit board (3), wherein the card compartment cover (2) is fixedly connected to the card compartment (1), the microswitch circuit board (3) is fixedly connected to one end of the card compartment (1), and a plurality of micro switches are provided on the microswitch circuit board (3), characterized in that: The card slot (1) comprises a plurality of card slot channels for inserting and placing card strips, the micro switches are respectively arranged at the bottom ends of the card slot channels, and channel switching members (132) for switching the card slot channels are elastically connected between the card slot channels; The card bin (1) comprises a bottom plate (15), to which a left baffle (151), a partition (152) and a right baffle (153) parallel to each other are fixedly connected in sequence, and the left baffle (151) and the right baffle (153) are respectively fixed to two ends of the bottom plate (15); The card strip comprises a single card (41) and a linked card (42); the single card (41) is provided with a group of sample detection positions; the linked card (42) is provided with three groups of sample detection positions in sequence; a first single card channel (11) for inserting the single card (41) is provided between the left baffle (151) and the partition (152); a second single card channel (12) for inserting the single card (41), a linked card channel (13) and a third single card channel (14) for inserting the single card (42) are provided in sequence between the partition (152) and the right baffle (153); a U-shaped groove is provided in the middle of the first single card channel (11), the second single card channel (12) and the third single card channel (14); A U-shaped opening is provided in the middle of the link card channel, and a U-shaped channel switching base (131) is fixedly provided on the inner side of the U-shaped opening. The channel switching member (132) is provided between the channel switching bases (131). Both sides of the channel switching member (132) are connected between the channel switching bases (131) via sliding pins (133). The end of the channel switching member (132) is fixedly connected to the channel switching base (131) via a telescopic pin (134), and a spring (135) is sleeved on the telescopic pin (134). The micro switches are respectively arranged at the bottom of the first single card channel (11), the second single card channel (12), the linked card channel (13) and the third single card channel (14).

2. A card magazine channel switching device for immunoassay equipment according to claim 1, characterized in that: At least two upward elastic pieces (16) are respectively provided in the U-shaped groove through fixing members.

3. The card magazine channel switching device for immunoassay equipment according to claim 1, characterized in that: The card compartment cover (2) has the same size as the card compartment (1). The card compartment cover (2) is provided with a detection window, which includes a first detection port (21), a second detection port (22), a combined card detection port (23) and a third detection port (24). The first detection port (21), the second detection port (22), the combined card detection port (23) and the third detection port (24) respectively correspond to the positions of the first single card channel (11), the second single card channel (12), the combined card channel (13) and the third single card channel (14). The first detection port (21) corresponds to a sample detection position on a single card (41), the second detection port (22), the combined card detection port (23) and the third detection port (24) respectively correspond to three groups of sample detection positions on the combined card (42). The detection window is a U-shaped structure, and the length and width of the detection window are smaller than the length and width of the card strip.

4. A card magazine channel switching device for immunoassay equipment according to any one of claims 1 to 3, characterized in that: A method for using the device includes the following steps: S1: Connect this device to the immunoassay equipment S2: Insert the card strip to be tested into the card slot on the device. Once the card strip is inserted into place, it will trigger the micro switch at the bottom of the card slot where the card strip is located. 1) When a single card (41) is inserted, a micro switch located at the bottom of the first single card channel (11), the second single card channel (12), or the third single card channel (14) is triggered; 2) When a linked card (42) is inserted, the channel switching member (132) is pushed in and sunk, and the micro switches at the bottom ends of the second single card channel (12), the linked card channel (13) and the third single card channel (14) are triggered simultaneously; S3: The micro switch circuit board (3) sends the micro switch signal after being triggered in different card slot channels to the control end of the immunoassay device 1) When the micro switch signal recognized by the control end does not include the micro switch signal of the linked card channel (13), the control end of the immunoassay device determines that the device is in single card mode; 2) When the control end recognizes that the micro switch signals are simultaneously from the second single card channel (12), the linked card channel (13) and the third single card channel (14), the control end of the immunoassay device determines that the device is in the linked card mode; S4: The control end of the immunoassay device identifies the switch signal of the micro switch and determines the card slot channel to which the signal belongs, and whether the smart card slot channel is inserted with a card strip. 1) When the device is in single-card mode, the control end of the immunoassay device determines the card channel to which the microswitch signal belongs and sends an instruction to test the sample on the card strip in the card channel. If no card channel signal is recognized, the control end determines that no card strip is inserted in this channel and skips the test of this channel. 2) When the device is in linked card mode, the control terminal of the immunoassay device sends a command to directly and simultaneously test samples on the second single-card channel, the linked card channel, and the third single-card channel. If the microswitch circuit board detects a microswitch signal from the first single-card channel and transmits it to the control terminal, the immunoassay device will also simultaneously test the test sample on the card strip of the first single-card channel. If the control terminal does not receive a microswitch signal from the first single-card channel, the control terminal determines that no card strip is inserted in this channel and will skip testing this channel. S5: After the sample on the card strip is tested, the card strip is pulled out. If the pulled out card is a linked card, the channel switching element is pushed out and raised, and the device will automatically return to single card mode; S6: Perform a new card strip test and repeat steps S1-S5.

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