Device for automatically identifying position and model of sample disc

Abstract

The utility model relates to a device for automatically identifying the position and model of a sample disc, which comprises a sample disc rack and a sample disc, the sample disc rack is provided with at least two disc bins, each disc bin is internally provided with an induction assembly, and the induction assembly at least comprises two Hall switches; the sample plates have more than two types, and the plate bin can be selectively matched with the sample plates with different types; magnets are arranged at the bottoms of the sample plates, the positions of the magnets of the sample plates of different models are different, and the magnets are matched with the Hall switches in the corresponding sensing assemblies for use; when different sample discs are replaced, automatic identification can be achieved, and therefore the problems that in the prior art, mistakes and forgets are prone to occurring due to the fact that manual setting needs to be carried out are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sample injector technical field, concretely relates to a method and device for automatically identifying sample disc position and model. BACKGROUND

[0002] The sample injector is mainly used in chromatographic experiment and other experimental analysis, such as the utility model patent of an automatic sample injector disclosed in the authorized announcement no. CN 221993389 U, mainly including hanging rack, mounting module, and the mounting module includes solvent module, mixing module, sample module, incubation module and aging module. The sample disc rack of sample module supports multiple models of sample disc to supply different specifications of sample bottle to carry out sample pretreatment and analysis work, after the sample injector reset, through the operation handle or computer terminal control software, the position of sample disc is set first, then the size of sample bottle to be used next, sample disc placement position (three positions can be placed) and other information are set, then next step analysis test work is carried out, in this setting process, it is easy to set error or forget to change the setting, causing waste sample, waste time, damage instrument and other conditions. If the instrument is restarted after shutdown, the position of sample disc needs to be calibrated and set again. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a device for automatically identifying sample disc position and model to solve the problems of easy error and easy forget in manual setting in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The device for automatically identifying sample disc position and model comprises a sample disc rack and a sample disc, the sample disc rack is provided with at least two disc storages, each disc storage is provided with a sensing assembly, and the sensing assembly comprises at least two Hall switches; the sample disc has two or more models, the disc storage can selectively cooperate with the sample disc of different models; the bottom of the sample disc is provided with a magnet, the magnet positions of different models of sample disc are different, and the magnet is used in cooperation with one Hall switch in the corresponding sensing assembly.

[0006] Further, after the sample disc is placed in the disc storage, the magnet at the bottom of the sample disc can be sensed by one Hall switch in the sensing assembly to determine the position and model of the sample disc.

[0007] Further, the sample disc rack is provided with three disc storages, one sensing assembly comprises four Hall switches and is defined as a first sensing assembly, and the other sensing assemblies each comprise three Hall switches and are defined as second sensing assemblies, the three Hall switches in each second sensing assembly have the same distribution mode as the three Hall switches in the first sensing assembly.

[0008] Further, each of the disc bins can selectively place a 2ml sample disc, a 5ml sample disc or a 60ml sample disc, the sample disc rack can place a 20ml sample disc, the 20ml sample disc occupies three disc bins, three Hall switches of the second sensing assembly are respectively used for sensing the 2ml sample disc, the 5ml sample disc and the 60ml sample disc, one Hall switch of the first sensing assembly is used for sensing the 20ml sample disc, and the other three Hall switches are respectively used for sensing the 2ml sample disc, the 5ml sample disc and the 60ml sample disc.

[0009] Further, the sample disc rack is in an L-shaped structure, the disc bins are arranged on the horizontal section of the sample disc rack, a hanging part is arranged at the top of the vertical section of the sample disc rack, and a slot photoelectric switch is arranged at the hanging part of the top of the vertical section.

[0010] The utility model discloses the beneficial effects of:

[0011] The utility model discloses the beneficial effects of:

[0011] The utility model discloses the beneficial effects of: BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the perspective view of the sample disc rack of the device of the utility model for automatically identifying sample disc position and model (not put into sample disc);

[0013] Figure 2 It is the distribution schematic view of the Hall switch on the sample disc rack;

[0014] Figure 3 It is the schematic view of putting three 2ml sample discs on the sample disc rack;

[0015] Figure 4 It is the schematic view of putting three 5ml sample discs on the sample disc rack;

[0016] Figure 5 It is the schematic view of putting a 20ml sample disc on the sample disc rack;

[0017] Figure 6 It is the schematic view of putting three 60ml sample discs on the sample disc rack.

[0018] Corresponding names of each mark in the drawing: Corresponding names of each mark in the drawing:

[0019] 1. Sample tray holder; 11. Horizontal section; 12. Tray compartment; 13. Vertical section; 14. Hanging part; 2. Slotted photoelectric switch; 31. Hall switch A; 32. Hall switch B; 33. Hall switch C; 34. Hall switch D; 5. 2 ml sample tray; 6. 5 ml sample tray; 7. 20 ml sample tray; 8. 60 ml sample tray. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] Example:

[0022] like Figure 1 As shown, the device for automatically identifying the position and model of sample trays includes a sample tray holder 1 and sample trays. The sample tray holder 1 has an L-shaped structure. Three tray compartments 12 are provided on the horizontal section 11 of the sample tray holder 1, which can simultaneously hold three small sample trays or one large sample tray. A hook-on part 14 is provided at the top of the vertical section 13 of the sample tray holder 1. The hook-on part 14 is used to hook onto the horizontal axis in the sample injector and can slide along the horizontal axis. This is prior art and will not be described in detail further.

[0023] A slotted photoelectric switch 2 is provided at the top of the vertical section 13 at the hook-on part 14. It is used in conjunction with the moving frame in the sample injector. The moving frame is provided with a switch baffle. When the moving frame moves to the corresponding module, the corresponding slotted photoelectric switch 2 can be triggered. The sample tray 1 of this utility model is one of the modules. Different modules are provided with slotted photoelectric switches, but the processing circuits connected to the slotted photoelectric switches 2 are different. For example, when the slotted photoelectric switch 2 on the sample tray 1 is triggered, the internal processing circuit collects and processes the signal, and then sends a signal to the control system of the sample injector to identify that the module is the sample tray 1.

[0024] like Figure 2 As shown, each compartment 12 is equipped with a sensing component. One sensing component includes four Hall switches and is defined as the first sensing component. The other sensing components each include three Hall switches and are defined as the second sensing components. The distribution of the three Hall switches in each second sensing component is the same as that of the three Hall switches in the first sensing component. In this embodiment, the first sensing component is located in the middle, with a second sensing component on each side. The second sensing components have Hall switches A31, B32, and C33, while the first sensing components have additional Hall switches D34 in addition to Hall switches A31, B32, and C33.

[0025] The bottom of the sample disc is provided with a magnet, the magnet position of different types of sample disc is different, and the magnet is used in cooperation with one Hall switch in the corresponding induction assembly. When the Hall switch is used to induct the magnet, it is a one-to-one corresponding relationship. After the sample disc is placed in the disc bin 12, the magnet at the bottom of the sample disc can be inducted by one Hall switch in the induction assembly to determine the position and type of the sample disc.

[0026] The commonly used sample disc types include 2ml sample disc, 5ml sample disc, 20ml sample disc and 60ml sample disc. The 2ml sample disc, 5ml sample disc and 60ml sample disc are small discs, and the 2ml sample disc, 5ml sample disc and 60ml sample disc can be placed in the disc bin 12 according to the size of the sample disc or the space occupied in the disc bin 12. Figure 3 、 4 The 2ml sample disc, 5ml sample disc or 60ml sample disc can be placed in each disc bin 12, and the size of the 2ml sample disc, 5ml sample disc or 60ml sample disc or the space occupied in the disc bin 12 is the same. The difference lies in the size and number of the holes for accommodating the sample bottles. For example, the 2ml sample disc can accommodate more sample bottles than the 5ml sample disc. The 20ml sample disc is a large disc, and the 20ml sample disc occupies three disc bins 12, that is, the sample disc rack 1 can only accommodate one 20ml sample disc, as shown in FIG. 6. Figure 5

[0027] The three Hall switches of the second induction assembly are used to induct the 2ml sample disc, 5ml sample disc and 60ml sample disc respectively. One Hall switch in the first induction assembly is used to induct the 20ml sample disc, and the other three Hall switches are used to induct the 2ml sample disc, 5ml sample disc and 60ml sample disc respectively. For example, the three Hall switches of the second induction assembly are Hall switch A31, Hall switch B32 and Hall switch C33, and the four Hall switches of the first induction assembly are Hall switch A31, Hall switch B32, Hall switch C33 and Hall switch D34. The three Hall switches A31, B32 and C33 are distributed in a triangular shape, and the position of the Hall switch should avoid the position of the bottom of the hole for accommodating the sample bottle, because the position is thin, and the position can be appropriately deviated. When one of the disc bins 12 is placed with the 2ml sample disc, the Hall switch A31 is inducted and triggered, and a signal of the recognition result can be given to the sample feeder control system. When the Hall switch A31 in different groups is triggered, it can be recognized which disc bin 12 is placed with the 2ml sample disc. When one of the disc bins 12 is placed with the 5ml sample disc, the Hall switch B32 is triggered. When the sample disc rack 1 is placed with the 20ml sample disc, the Hall switch D34 is triggered.

[0028] ​Three 2ml sample plates can be placed in the three disc storages 12 at the same time, or 2ml sample plates, 5ml sample plates and 60ml sample plates can be mixedly placed, which does not affect the automatic identification of the type and position of the placed sample plate. After the subsequent sample feeder host is started, the position of the disc rack and the specific type of the sample plate on the disc rack can still be automatically identified, and the automatic update to the operation handle and the computer terminal operation software is realized, so that the functions of automatic identification of the position and the type are realized.

[0029] In other embodiments, each sensing assembly can include two Hall switches, the sample plate has two or more types, and the disc storage can selectively cooperate with the sample plates of different types. If the types of the sample plates are more, the adaptability increases the number of Hall switches of each sensing assembly.

[0030] The utility model is not limited to the above best embodiment, and anyone can derive other various forms of products under the enlightenment of the utility model, but no matter any change in its shape or structure, any technical scheme with the same or similar to the application falls within the protection scope of the utility model.

Claims

1. Apparatus for automatically identifying the location and model of a sample disc, characterized by: The sample disc rack comprises a sample disc rack and a sample disc, the sample disc rack is provided with at least two disc storages, each disc storage is provided with an induction assembly, and the induction assembly comprises at least two Hall switches; the sample disc has two or more types, the disc storage can selectively match the sample disc of different types; the bottom of the sample disc is provided with a magnet, the magnet positions of the sample discs of different types are different, and the magnet is used in cooperation with one Hall switch in the induction assembly.

2. The apparatus of claim 1, wherein: After the sample disc is placed in the disc storage, the magnet at the bottom of the sample disc can be inducted by one Hall switch in the induction assembly, so as to determine the position and type of the sample disc.

3. The apparatus of claim 1, wherein: The sample disc rack is provided with three disc storages, one induction assembly comprises four Hall switches and is defined as a first induction assembly, and the other induction assemblies each comprise three Hall switches and are defined as second induction assemblies, the distribution modes of the three Hall switches in each second induction assembly are same as those of the three Hall switches in the first induction assembly.

4. The apparatus of claim 3, wherein: Each disc storage can selectively place a 2ml sample disc, a 5ml sample disc or a 60ml sample disc, the sample disc rack can place a 20ml sample disc, the 20ml sample disc occupies three disc storages, the three Hall switches of the second induction assembly are respectively used for inducting the 2ml sample disc, the 5ml sample disc and the 60ml sample disc, one Hall switch in the first induction assembly is used for inducting the 20ml sample disc, and the other three Hall switches are respectively used for inducting the 2ml sample disc, the 5ml sample disc and the 60ml sample disc.

5. The apparatus of claim 1, wherein: The sample disc rack has an L-shaped structure, the disc storages are arranged on the horizontal section of the sample disc rack, the top of the vertical section of the sample disc rack is provided with a hanging part, and the top of the vertical section is provided with a slot photoelectric switch at the hanging part.

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