How to clean the sample analyzer and sample cup

Abstract

The present invention provides a sample analyzer and a sample cup cleaning method, wherein the sample analyzer comprises: a sample cup loading device, comprising at least one loading position for placing a sample cup for sample testing; a sample cup conveying device, for conveying the sample cup to or from a preset loading position; a sample cup detecting device, for detecting the position of the sample cup; a fixed memory, for storing information of the loading position where the sample cup is placed, i.e., information of the cup storage position; and a controller, for recording the information of the cup storage position in the fixed memory according to the position of the sample cup. The sample analyzer and the sample cup cleaning method avoid cleaning all loading positions one by one after power failure, thereby shortening the initialization process or experimental preparation time.

Description

Technical Field

[0001] The present invention relates to the technical field of sample analysis equipment, and more particularly to a sample analyzer and a method for clearing a sample cup. Background Art

[0002] For in vitro diagnostic instruments, such as coagulation analyzers, samples and reagents are usually carried out in disposable reaction cups. When the test is abnormal or the measurement is completed, the reaction cup needs to be cleaned into the waste cup box in time, otherwise it will affect subsequent tests.

[0003] In existing instruments, the position of the reaction cup during the measurement process is tracked, which is mainly used to match the reaction cup to the corresponding test process in order to complete sample addition, reagent addition, measurement, etc. However, the position of the reaction cup is not saved in time or effectively, so that the position information of the reaction cup will be lost in the event of an abnormal power outage. At this time, after starting up, in order to ensure that there are no residual reaction cups in all incubation wells and measurement wells during the experiment, all positions where there may be residual reaction cups can only be cleared, resulting in a slow initialization process or a long experiment preparation time. Summary of the invention

[0004] In view of this, the present invention provides a sample analyzer and a method for clearing a sample cup to solve the problem that the position information of the reaction cup will be lost in the case of abnormal power failure and the cup clearing process takes a long time. The technical solution is as follows:

[0005] A sample analyzer comprises: a sample cup loading device, comprising at least one loading position for placing a sample cup for sample testing; a sample cup transporting device, for transporting the sample cup to or from a preset loading position; a sample cup detecting device, for detecting the position of the sample cup; a fixed memory, for storing information of the loading position where the sample cup is placed, i.e., information of the cup storage position; and a controller, for recording the information of the cup storage position in the fixed memory according to the position of the sample cup.

[0006] Optionally, the sample cup detection device includes a detector for detecting the sample cup, the sample cup transport device includes a gripper for grabbing the sample cup, and the detector is arranged on the gripper; the detector detects whether there is a sample cup on the gripper before putting down the sample cup and after the gripper puts down the sample cup.

[0007] Optionally, after the sample cup detection device detects that the sample cup is located at the preset loading position, the controller records information that the preset loading position is the cup storage position into the fixed memory.

[0008] Optionally, when the sample cup detection device detects that no sample cup is placed on the preset loading position, the controller deletes the information that the preset loading position is a cup storage position from the fixed memory or updates the preset loading position to an empty cup position where no sample cup is placed.

[0009] Optionally, the sample cup detection device includes a detector, which is disposed at the loading position. When the detector detects that a sample cup is placed at the loading position, the controller records the loading position as a cup storage position in a fixed memory.

[0010] Optionally, the controller reads the information of the cup storage position from the fixed memory, and controls the sample cup conveying device to clear the sample cups on the cup storage position.

[0011] Optionally, the sample analyzer further comprises a prompting unit, which is used to prompt the user with information about the cup storage location.

[0012] Optionally, the controller controls the sample cup transporting device to transport the sample cups to be subsequently tested to a loading position other than the cup storage position for testing.

[0013] A sample analyzer comprises: a sample cup loading device, comprising at least one loading position for placing a sample cup for sample testing; a sample cup conveying device, used to convey the sample cup to a preset loading position or to convey the sample cup away from the loading position, the sample cup conveying device comprising a gripper for grabbing the sample cup; a sample cup detecting device, used to detect the position of the sample cup, the sample cup detecting device comprising a detector, the detector being arranged on the gripper, the detector detecting whether there is a sample cup on the gripper before and after the gripper puts down the sample cup; and a memory, used to store information of the loading position where the sample cup is placed, that is, information of the cup storage position.

[0014] Optionally, the sample analyzer further comprises an alarm unit, and when the detector fails to detect the sample cup before the sample cup is put down and / or detects the sample cup after the gripper puts down the sample cup, the alarm unit sends out an alarm message.

[0015] Optionally, the sample analyzer is a coagulation analyzer, comprising a sample adding device for adding samples, a sample incubation device for incubating samples, and a sample detection device for detecting samples;

[0016] The sample adding device, the sample incubation device and the sample detection device are all provided with a sample cup loading device.

[0017] A method for clearing a sample cup, wherein the sample cup is placed in a loading position of a sample analyzer to test the sample, comprising: identifying the loading position where the sample cup is placed; saving information of the loading position where the sample cup is placed in a fixed memory; reading information of the loading position where the sample cup is placed in the fixed memory; and clearing the sample cup from the loading position where the sample cup is placed.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The sample analyzer and the sample cup cleaning method provided by the present invention can store the information of the loading position where the sample cup is placed in a fixed memory, and after restarting, the residual sample cups in the corresponding position can be cleaned according to the information. This cleaning method avoids cleaning all loading positions one by one after power failure, thereby shortening the initialization process or experimental preparation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0021] Figure 1 is a schematic diagram of a sample analyzer according to an embodiment of the present invention;

[0022] Figure 2 is a schematic diagram of a sample analyzer according to an embodiment of the present invention;

[0023] Figure 3 is a schematic diagram of a sample analyzer according to an embodiment of the present invention;

[0024] Figure 4 FIG. 4 is a flow chart of a sample cup cleaning method according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0026] The present invention is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are for making the present application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different situations, or can be replaced by other elements, materials, methods. In some cases, some operations related to the present application are not shown or described in the specification, this is to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations according to the description in the specification and the general technical knowledge in the art.

[0027] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations. At the same time, the steps or actions in the method description can also be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a required sequence, unless otherwise specified that a certain sequence must be followed.

[0028] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0029] Figure 1 The first embodiment of the sample analyzer of the present invention is provided. The sample analyzer 100 includes a sample cup loading device 11, and the sample cup loading device 11 includes at least one loading position (loading position AD) for placing a sample cup for sample testing. The sample cup is specifically a container such as a test tube or a reaction cup for containing reactants such as samples and reagents. The sample cup on the loading position can be a platform for placing the sample cup, a holding cavity for accommodating the sample cup, or a fixing device for fixing the sample cup; the sample testing process includes sample filling, sample incubation, and sample detection, and correspondingly, the loading position includes a sample adding position, an incubation position, and a detection position that respectively provide sample cup placement positions for the above processes. Further, the sample analyzer 100 also includes a storage device for storing the sample cup, and correspondingly, the loading position also includes a storage position; further, the sample analyzer 100 also includes a pre-processing device for cleaning, drying, and other preparatory work for the sample cup, and correspondingly, the loading position also includes a pre-processing position. That is to say, for a sample analyzer 100, there may be multiple loading positions with different functions to meet the requirements for placing sample cups in different sample testing processes. It should be noted that loading positions with different functions may be arranged in different modules or in the same module. For example, the sample loading position and the incubation position are both arranged on the incubation tray of the sample analyzer 100, and the incubation position and the detection position are respectively arranged on the incubation tray and the detection module of the sample analyzer 100; when the sample loading position and the incubation position are both arranged on the incubation tray of the sample analyzer 100, the sample loading position and the incubation position may be the same or different loading positions. When the sample loading position and the incubation position are the same loading position, the sample loading process and the incubation process are completed at the same loading position; when the sample loading position and the incubation position are different loading positions, the sample loading process and the incubation process are completed at different loading positions of the incubation tray.

[0030] The sample analyzer 100 further includes a sample cup transporting device 12 and a sample cup detecting device 13; wherein the sample cup transporting device 12 is used to transport the sample cup to a preset loading position or to transport it away from the preset loading position. Specifically, during the sample testing process, the sample cup transporting device 12 transports the sample cup between different loading positions to complete the entire testing process. Generally, the sample cup is moved from the storage position, the sample adding position, the incubation position, and the detecting position in sequence. After the test is completed, the sample cup transporting device 12 transports the sample cup from the detecting position to the unloading area 17. The unloading area 17 can be set inside the sample analyzer 100 or outside it. For sample cups that need to be reused, the sample cup transporting device 12 transports the sample cup from the detecting position to the pre-processing position.

[0031] The sample cup detection device 13 is used to detect the position of the sample cup. Specifically, the sample cup detection device 13 can detect that the sample cup is located at a certain position, or can detect that the sample cup is not located at a certain position. The sample cup detection device 13 may include a detector for detecting the sample cup. The detector may be various sensors to detect whether a sample cup is placed at a specific position. The sample cup detection device 13 obtains the position of the sample cup or whether a sample cup is placed at a certain position through the position of the detector and the result of the detector detecting the sample cup. For example, if a detector set at a certain loading position detects a sample cup, then the current position of the sample cup is the loading position.

[0032] The sample analyzer 100 further includes a fixed memory 14 and a controller 15; wherein the fixed memory 14 is used to store information of the loading position where the sample cup is placed, i.e., information of the cup storage position; the fixed memory 14 specifically refers to a computer memory in which the stored data will not disappear after the current is turned off, also known as a non-volatile memory. The fixed memory 14 and the controller 15 form a communication connection. After the sample cup detection device 13 detects the position of the sample cup, the controller 15 records the information of the loading position where the sample cup is placed, i.e., the information of the cup storage position, in the fixed memory 14 according to the position of the sample cup, so as to ensure that the information of the cup storage position will not be lost in the event of a sudden power outage.

[0033] In this embodiment, the sample cup transport device 12 includes a gripper for grabbing the sample cup, and the detector is arranged on the gripper; the detector detects whether there is a sample cup on the gripper before and after the gripper puts down the sample cup.

[0034] In an application scenario, the gripper grabs the sample cup to a preset loading position. When the detector detects that there is a sample cup on the gripper before the sample cup is put down and detects that there is no sample cup on the gripper after the gripper puts down the sample cup, the gripper grabs and places the sample cup successfully. Otherwise, the gripper grabs and places the sample cup unsuccessfully. In the prior art, it is often only detected that there is no sample cup on the gripper after the gripper puts down the sample cup, and it is considered that the gripper grabs and places the sample cup successfully. The present invention judges that the gripper grabs and places the sample cup successfully in a more accurate way, avoiding the situation where the sample cup falls in the middle but is mistakenly judged as successful. That is to say, the sample cup detection device 13 obtains the current position of the sample cup through the position of the detector and the detector detecting whether there is a sample cup on the gripper at different times. Since the gripper and the detector are currently located above the preset loading position, and the gripper grabs and places the sample cup successfully, it is judged that the sample cup is currently placed at the preset loading position. After receiving the information that the sample cup is currently placed at the preset loading position, the controller 15 uses the preset loading position as the cup storage position and stores it in the fixed memory 14 .

[0035] In another application scenario, the gripper moves the sample cup away from the preset loading position. Since the gripper and the detector are no longer located above the preset loading position, and the gripper successfully grabs and places the sample cup, it is determined that the sample cup is no longer placed in the preset loading position. The sample cup detection device 13 detects that there is no longer a sample cup placed on the original loading position, and the controller 15 deletes the information that the preset loading position is a cup storage position from the fixed memory 14 or updates the preset loading position to an empty cup position where no sample cup is placed.

[0036] The sample analyzer 100 further includes an alarm unit 16, which is connected to the controller 15 in communication. When the detector does not detect the sample cup before the sample cup is put down and / or detects the sample cup after the gripper puts down the sample cup, the alarm unit 16 issues an alarm message. In other words, when at least one of the two conditions of not detecting the sample cup before the sample cup is put down and detecting the sample cup after the gripper puts down the sample cup is met, the alarm unit 16 issues an alarm message. The alarm unit 16 is connected to the controller 15 or the sample cup detection device 13 in communication. The alarm unit 16 issues an alarm message in various forms, such as sound, image, text, etc., which are not limited here.

[0037] The fixed memory 14 records the loading position as a cup storage position or an empty cup position in various forms. As an optional implementation, it is recorded in the form of numbers or codes, and the cup storage position is recorded as 1, and the empty cup position is recorded as 0. In Table 1, the incubation position 1 and the incubation position 2 respectively store sample cups, and the detection position 1 and the detection position 2 do not have sample cups.

[0038] Incubation position 1 1 Incubation position 2 1 Detection bit 1 0 Detection position 2 0

[0039] Table 1 Fixed memory 14 record status before placing the cup

[0040] Now use the gripper to grab the sample cup in incubation position 1 to detection position 1. After the grab is completed, the information is updated as follows:

[0041] Incubation position 1 0 Incubation position 2 1 Detection bit 1 1 Detection position 2 0

[0042] Table 2 Fixed memory 14 record status after placing the cup

[0043] It should be noted that, in the present embodiment, the controller 15 stores the information of both the storage position and the empty cup position in the fixed memory 14; it is understandable that since the subsequent cup clearing process is only for the sample cups in the storage position, the controller 15 can only record the information of the storage position in the fixed memory 14, but not the information of the empty cup.

[0044] In other embodiments, the sample analyzer 100 further includes a cache unit for temporarily storing information about the cup storage position and the empty cup position, and the cache unit may be provided in the controller 15. After receiving the position information of the sample cup, the controller 15 stores the information about the cup storage position and the empty cup position in the cache unit and in the fixed memory 14 at the same time. When the sample analyzer 100 is powered off and restarted, the information about the cup storage position and the empty cup position in the cache unit is cleared, but the information about the cup storage position and the empty cup position in the fixed memory 14 is still retained.

[0045] As for the post-processing of the sample cups on the cup storage position, as an optional implementation, after the information of the cup storage position and the empty cup position is stored in the fixed memory 14, the controller 15 reads the information of the cup storage position from the fixed memory 14, and controls the sample cup conveying device 12 to clear the sample cups on the cup storage position. Specifically, in this implementation, the controller 15 controls the gripper to move to the cup storage position, and then grabs the sample cups on the cup storage position to the preset loading position or unloading area 17. When the sample cups on the cup storage position need to continue the next test process, the gripper grabs the sample cups to the next loading position; when the sample cups on the cup storage position have completed the test process or the power-on initialization, the gripper grabs the sample cups to the unloading area 17. For the empty cup position, no cup clearing process is performed, thereby speeding up the initialization process.

[0046] As an optional implementation, after the information of the cup storage position and the empty cup position is stored in the cache unit and the fixed memory 14, when the sample analyzer 100 is in a normal continuous test process, the controller 15 controls the sample cup conveying device 12 to clear the sample cup from the cup storage position according to the information of the cup storage position in the cache unit; when the sample analyzer 100 is powered off and initialized, the controller 15 reads the information of the cup storage position from the fixed memory 14 and controls the sample cup conveying device 12 to clear the sample cup from the cup storage position. In this way, in the case of non-power-off, the controller 15 does not need to read the information in the fixed memory 14, which can further save working time.

[0047] As an optional embodiment, the sample analyzer 100 further includes a prompt unit, which is in communication connection with the controller 15. The prompt unit prompts the user of the information of the cup storage position so that the user can clean the sample cup on the cup storage position in time, thereby enabling the user to accurately find the cup storage position and clean the sample cup. The prompt unit can be a prompt interface set on the controller 15, prompting the user through text, images and other signals, or it can be a signal device that can indicate the location of the cup storage position. For example, each loading position corresponds to a signal light. When a sample cup is placed on the loading position, the signal light corresponding to the loading position is displayed in red, and when there is no sample cup on the loading position, the signal light corresponding to the loading position is displayed in green.

[0048] As another optional implementation, when the sample analyzer 100 is powered on and initialized after power failure, the prompt unit prompts the user of the cup storage position information; when the sample analyzer 100 is in a normal and continuous testing process, the prompt unit does not prompt the user of the cup storage position information, and the controller 15 reads the cup storage position information from the cache unit or the fixed memory 14, and controls the sample cup transport device 12 to clear the sample cups on the cup storage position.

[0049] As another optional implementation, the controller 15 controls the sample cup conveying device 12 to convey the sample cups to be tested later to the loading positions other than the cup storage positions for testing. The loading positions other than the cup storage positions are loading positions that are not recorded as cup storage positions, and may be empty cup positions, or loading positions without any recorded information (neither cup storage positions nor empty cup positions). After conveying the sample cups to be tested later to the loading positions other than the cup storage positions for testing, the controller 15 may control the sample cup conveying device 12 to clear the sample cups on the cup storage positions. This method is used to further improve the testing efficiency.

[0050] Figure 2A second embodiment of the sample analyzer of the present invention is provided. The sample analyzer 200 includes a sample cup loading device 21, a sample transport device 22, a sample cup detection device 23, a fixed memory 24, and a controller 25. The difference from the first embodiment of the present invention is that the detector is set at the loading position (loading position A, loading position B, etc.), and when the detector detects that a sample cup is placed at the loading position, the controller 25 records the loading position as a cup storage position to the fixed memory. Further, when the detector does not detect that a sample cup is placed at the loading position, the controller 25 records the loading position as a loading position where no sample cup is placed, that is, an empty cup position, to the fixed memory. That is to say, in this embodiment, the controller 25 does not determine whether the gripper successfully places the cup by whether the detector on the gripper detects that there is a sample cup on the current gripper, thereby determining the loading position where the sample cup is located, but directly detects whether each loading position currently has a sample cup placed. As an optional implementation, a sample cup detection device arranged at each loading position detects whether there is a sample cup on the loading position at a fixed period; as another optional implementation, after the cup is taken or placed at the preset loading position, whether there is a sample cup at the preset loading position is detected.

[0051] Similarly, the sample analyzer 200 may also include an alarm unit 26; when placing a cup at a preset loading position, if the detector does not detect the sample cup after the cup is placed, the alarm unit issues an alarm message; when taking a cup from a preset loading position, if the detector detects the sample cup after the cup is taken, the alarm unit issues an alarm message.

[0052] Figure 3 A third embodiment of the sample analyzer of the present invention is provided. The sample analyzer 300 is specifically a coagulation analyzer for measuring the content of various components in human blood. The sample analyzer 300 includes a sample adding device 31 for adding samples, a sample incubation device 32 for incubating samples, and a sample detection device 33 for detecting samples. The coagulation analyzer 300 also includes a fixed storage 34, a controller 35, a sample cup transport device 36, and a sample cup detection device 37. The sample adding device 31, the sample incubation device 32, and the sample detection device 33 are all provided with a sample cup loading device, and the loading positions provided in the sample cup loading device are respectively a sample adding position A, an incubation position B, and a detection position C.

[0053] Figure 4 An embodiment of a sample cup cleaning method of the present invention is provided. The method is described below in conjunction with the embodiment of the sample analyzer described above. The sample cup cleaning method includes:

[0054] S31, identifying a loading position where a sample cup is placed;

[0055] The controller identifies the loading position where the sample cup is placed; specifically, the sample detection device detects the position of the sample cup, and the controller identifies whether there is a sample cup on the preset loading position based on the position of the sample cup; or, the sample detection device is directly set at the loading position to detect whether there is a sample cup on the preset loading position, and the controller reads the information detected by the sample detection device.

[0056] S32, saving the information of the loading position where the sample cup is placed into a fixed memory;

[0057] Specifically, the controller further processes the information detected by the sample cup detection device and saves the information of the loading position where the sample cup is placed in the fixed memory; optionally, the controller also saves the information of the loading position where no sample cup is placed in the fixed memory.

[0058] S33, reading the information of the loading position where the sample cup is placed in the fixed memory;

[0059] Specifically, after receiving the sample cup clearing instruction, the controller reads the information of the loading position where the sample cup is placed in the fixed memory.

[0060] S34, removing the sample cup from the loading position where the sample cup is placed;

[0061] Specifically, the controller controls the sample cup transporting device to clear the sample cups from the loading positions where the sample cups are placed; or, the controller prompts the user with information about the loading positions where the sample cups are placed, and the user clears the sample cups from the corresponding loading positions according to the information; or in a certain scenario, the controller controls the sample cup transporting device to clear the sample cups from the loading positions where the sample cups are placed, and in another scenario, the controller prompts the user with information about the loading positions where the sample cups are placed, and the user clears the sample cups from the corresponding loading positions according to the information.

[0062] Furthermore, after the sample is cleared, the above process is repeated. After the sample cup is transferred from the loading position where the sample cup is placed to the preset empty cup position (the loading position where no sample cup is placed), the controller re-identifies the loading position where the sample cup is placed, specifically, the original cup storage position is updated to the empty cup position, and the preset empty cup position is updated to the storage position; after the sample cup is transferred from the loading position where the sample cup is placed to the unloading area, the controller re-identifies the loading position where the sample cup is placed, specifically, the information of the original cup storage position may be deleted or the original cup storage position may be updated to the empty cup position.

[0063] Those skilled in the art will appreciate that all or part of the functions of the various methods in the above-mentioned embodiments can be implemented by hardware or by computer programs. When all or part of the functions in the above-mentioned embodiments are implemented by computer programs, the program can be stored in a computer-readable storage medium, and the storage medium can include: read-only memory, random access memory, disk, optical disk, hard disk, etc., and the program is executed by a computer to implement the above-mentioned functions. For example, the program is stored in the memory of the device, and when the program in the memory is executed by the processor, all or part of the above-mentioned functions can be implemented. In addition, when all or part of the functions in the above-mentioned embodiments are implemented by computer programs, the program can also be stored in a storage medium such as a server, another computer, disk, optical disk, flash disk or mobile hard disk, and can be downloaded or copied and saved in the memory of the local device, or the system of the local device is updated, and when the program in the memory is executed by the processor, all or part of the functions in the above-mentioned embodiments can be implemented.

[0064] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not used to limit the present invention. For those skilled in the art, according to the concept of the present invention, the above specific implementation methods can be changed.

Claims

1. A sample analyzer, characterized in that: include: A sample cup loading device, comprising at least one loading position for placing a sample cup for sample testing; A sample cup transporting device, used to transport the sample cup to a preset loading position or to transport the sample cup away from the preset loading position, wherein the sample cup transporting device includes a gripper for gripping the sample cup; A sample cup detection device, used to detect the position of the sample cup, the sample cup detection device includes a detector for detecting the sample cup, the detector is arranged on the gripper, and the detector detects whether the sample cup is on the gripper before the sample cup is put down and after the gripper puts down the sample cup; A fixed memory, used to store information of the loading position where the sample cup is placed, that is, information of the cup storage position; The controller records the information of the cup storage position in the fixed memory according to the position of the sample cup.

2. The sample analyzer according to claim 1, characterized in that: After the sample cup detection device detects that the sample cup is located at the preset loading position, the controller records information that the preset loading position is the cup storage position into the fixed memory.

3. The sample analyzer according to claim 1, characterized in that: When the sample cup detection device detects that the sample cup is no longer placed on the preset loading position, the controller deletes the information that the preset loading position is the cup storage position from the fixed memory or updates the preset loading position to an empty cup position where no sample cup is placed.

4. The sample analyzer according to claim 1, characterized in that: The sample cup detection device includes a detector, and the detector is arranged at the loading position. When the detector detects that the sample cup is placed at the loading position, the controller records the loading position as the cup storage position in the fixed memory.

5. The sample analyzer according to claim 1, characterized in that: The controller reads the information of the cup storage position from the fixed memory, and controls the sample cup conveying device to clear the sample cups on the cup storage position.

6. The sample analyzer according to claim 1, characterized in that: The sample analyzer further comprises a prompting unit, which is used to prompt the user with the information of the cup storage position.

7. The sample analyzer according to claim 1, characterized in that: The controller controls the sample cup conveying device to convey the sample cups to be subsequently tested to a loading position other than the cup storage position for testing.

8. A sample analyzer, characterized in that: include: A sample cup loading device, comprising at least one loading position for placing a sample cup for sample testing; A sample cup transporting device, used to transport the sample cup to a preset loading position or to transport the sample cup away from the loading position, wherein the sample cup transporting device includes a gripper for gripping the sample cup; A sample cup detection device, used to detect the position of the sample cup, the sample cup detection device comprising a detector, the detector is arranged on the gripper, the detector detects whether the sample cup is on the gripper before the sample cup is put down and after the gripper puts down the sample cup; The memory is used to store the information of the loading position where the sample cup is placed, that is, the information of the cup storage position.

9. The sample analyzer according to claim 8, characterized in that: The sample analyzer further comprises an alarm unit, which issues an alarm message when the detector fails to detect the sample cup before the sample cup is put down and / or detects the sample cup after the gripper puts down the sample cup.

10. The sample analyzer according to any one of claims 1 to 9, characterized in that: The sample analyzer is a coagulation analyzer, comprising a sample adding device for adding samples, a sample incubation device for incubating samples, and a sample detection device for detecting samples; The sample adding device, sample incubation device and sample detection device are all provided with the sample cup loading device.

11. A method for cleaning a sample cup, characterized in that: The sample cup is placed in the loading position of the sample analyzer according to any one of claims 1 to 10 to perform a sample test, comprising: identifying a loading position where the sample cup is placed; Saving the information of the loading position where the sample cup is placed into a fixed memory; Reading information of the loading position where the sample cup is placed in the fixed memory; The sample cup is removed from the loading position where the sample cup is placed.

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