Mass spectrometer sample injector with automatic calibration function
By introducing color card markings and color recognition sensors into the mass spectrometer injector, combined with a clamping structure, the problems of incorrect sample numbering and unstable fixation were solved, enabling automatic sample calibration and stable sample injection.
Patent Information
- Application Number
- CN202520133402.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing mass spectrometer injectors are prone to sample numbering errors and the sample containers are not always fixed, leading to inconvenience and deviations in sample injection.
A mass spectrometer injector with automatic calibration function was designed. It adopts a combination of color card marking and color recognition sensor with clamping block structure to achieve precise positioning and stable clamping of samples.
The use of color card markings and color recognition sensors avoids sample number confusion, ensures the stability of sample containers, and enables accurate sample injection.
Smart Images

Figure CN223757495U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mass spectrometer sample injector technical field, specifically related to a mass spectrometer sample injector with automatic calibration function. BACKGROUND
[0002] Mass spectrometer is a kind of instrument for separating and detecting different isotopes, it is according to the principle that charged particles can be deflected in electromagnetic field, separates and detects according to the mass difference of substance atom, molecule or molecular fragment.
[0003] In the detection of mass spectrometer needs to use sample injector to sample delivery to sample, but the existing sample injector has certain inconvenience when using;
[0004] First, the existing sample injector is generally transported by sample carousel when using, when sample container is placed in sample carousel, sample needs to be numbered, and sample is fed by serial number, but when sample is more, numbering is more troublesome, and numbering disorder is easily caused, and sample cannot be automatically calibrated and fed automatically;
[0005] Secondly, the existing sample injector is inconvenient to fix the sample container when using, cannot guarantee the stability when feeding, and can easily cause feeding deviation.
[0006] Therefore, we propose a mass spectrometer sample injector with automatic calibration function. UTILITY MODEL CONTENT
[0007] The main purpose of the utility model is to provide a mass spectrometer sample injector with automatic calibration function, which can effectively solve the problems in the background art.
[0008] To achieve the above object, the technical scheme adopted by the utility model is as follows: a mass spectrometer sample injector with automatic calibration function, comprising a mass spectrometer body, a sample injector mechanism is arranged on the outer surface of one side of the mass spectrometer body, a sample machine head is arranged on the outer surface of the upper end of the sample injector mechanism, a conveying pipeline is arranged between the sample machine head and the mass spectrometer body, a box door is movably connected to the outer surface of the front end of the mass spectrometer body, a base is detachably connected to the outer surface of one side of the sample injector mechanism, a sample feeding table is movably connected to the outer surface of the upper end of the base, a color recognition sensor is detachably connected to the outer surface of the lower end of the sample injector mechanism, a sample needle head is arranged on the outer surface of the lower end of the sample machine head, a driving motor is arranged in the middle of the base, a conveying sliding table is movably connected to the outer surface of the upper end of the sample feeding table, a fixing cylinder and a color card are arranged on the outer surface of the upper end of the conveying sliding table, the fixing cylinder is located on one side of the color card, an electric push rod is detachably connected to the inner surface of one end of the sample feeding table, and a connecting plate is arranged between the electric push rod and the conveying sliding table.
[0009] Preferably, the inner wall of the fixing cylinder is detachably connected with a protective inner ring, the middle part of the protective inner ring is provided with an embedded groove, the middle part of the embedded groove is provided with a clamping block, and a limiting spring is arranged between the embedded groove and the clamping block.
[0010] Preferably, the output end of the driving motor is connected with the outer surface of the lower end of the sample feeding table, and the sample feeding table is movably connected with the conveying sliding table.
[0011] Preferably, the electric push rod is fixedly connected with the conveying sliding table through the connecting plate, and the base and the sample feeding table are both hollow structures.
[0012] Preferably, the protective inner ring and the embedded groove are an integral structure, and the embedded groove is movably connected with the clamping block through the limiting spring.
[0013] Preferably, the front end of the clamping block is in an arc-shaped structure, and the number of the embedded grooves is 4-6.
[0014] Compared with the prior art, the utility model has the advantages of the following:
[0015] The color card can be used for distinguishing and marking the sample, can avoid marking confusion, and can place the sample at will before marking, and can identify the color through the color identification sensor after marking, so that the required sample can be accurately calibrated and positioned, and the sample can be conveniently fed; the fixing cylinder can place the sample container during use, and the clamping block in the protective inner ring can clamp and fix the sample container, so that the stability of the sample container can be ensured, and deviation during sampling can be avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is an internal structure view of the base of the utility model;
[0018] Figure 3 It is a structure view of the sample feeding table of the utility model;
[0019] Figure 4 It is an internal bottom view structure view of the sample feeding table of the utility model;
[0020] Figure 5 It is a structure view of the protective inner ring of the utility model.
[0021] In the figure: 1, mass spectrometer body; 2, sample injector mechanism; 3, sample injector head; 4, conveying pipeline; 5, box door; 6, base; 7, sample feeding table; 8, color recognition sensor; 9, sample injection needle; 10, driving motor; 11, conveying sliding table; 12, fixed cylinder; 13, color card; 14, electric push rod; 15, connecting plate; 16, protective inner ring; 17, built-in groove; 18, clamping block; 19, limiting spring. DETAILED DESCRIPTION
[0022] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further described in detail below in combination with the drawings.
[0023] As Figures 1-5 shown, the utility model embodiment provides a mass spectrometer sample injector with automatic calibration function, including mass spectrometer body 1, one side outer surface of mass spectrometer body 1 is provided with sample injector mechanism 2, the upper end outer surface of sample injector mechanism 2 is provided with sample injector head 3, and conveying pipeline 4 is arranged between sample injector head 3 and mass spectrometer body 1, and the front end outer surface of mass spectrometer body 1 is movably connected with box door 5, and one side outer surface of sample injector mechanism 2 is detachably connected with base 6, and the upper end outer surface of base 6 is movably connected with sample feeding table 7, and the lower end outer surface of sample injector mechanism 2 is detachably connected with color recognition sensor 8, and the lower end outer surface of sample injector head 3 is provided with sample injection needle 9, and the middle part of base 6 is provided with driving motor 10, and the upper end outer surface of sample feeding table 7 is movably connected with conveying sliding table 11, and the upper end outer surface of conveying sliding table 11 is provided with fixed cylinder 12 and color card 13, and fixed cylinder 12 is located at one side of color card 13, and one end inner surface of sample feeding table 7 is detachably connected with electric push rod 14, and connecting plate 15 is arranged between electric push rod 14 and conveying sliding table 11.
[0024] Specifically, in the embodiment, the mass spectrometer body 1 is provided with a sample injector mechanism 2 on one side of the outer surface of the mass spectrometer body 1, a sample injector head 3 is arranged on the upper end of the outer surface of the sample injector mechanism 2, a conveying pipeline 4 is arranged between the sample injector head 3 and the mass spectrometer body 1, a box door 5 is movably connected to the front end of the outer surface of the mass spectrometer body 1, a base 6 is detachably connected to one side of the outer surface of the sample injector mechanism 2, a sample feeding table 7 is movably connected to the upper end of the outer surface of the base 6, a color recognition sensor 8 is detachably connected to the lower end of the outer surface of the sample injector mechanism 2, a sample needle head 9 is arranged on the lower end of the outer surface of the sample injector head 3, a driving motor 10 is arranged in the middle of the base 6, a conveying sliding table 11 is movably connected to the upper end of the outer surface of the sample feeding table 7, a fixing cylinder 12 and a color card 13 are arranged on the upper end of the outer surface of the conveying sliding table 11, the fixing cylinder 12 is located on one side of the color card 13, an electric push rod 14 is detachably connected to one end of the inner surface of the sample feeding table 7, a connecting plate 15 is arranged between the electric push rod 14 and the conveying sliding table 11, the driving motor 10 in the base 6 can drive the sample feeding table 7 to rotate during use, the sample feeding table 7 can fix and place the sample container through the fixing cylinder 12, the sample container can be rotated when the sample feeding table 7 rotates, then the sample container can be marked through the color card 13, and the color card 13 can be recognized through the color recognition sensor 8, when the color recognition sensor 8 recognizes the color card 13 corresponding to the required sample, the driving motor 10 stops rotating at this time, then the electric push rod 14 provides the connecting plate 15 to push the conveying sliding table 11 to move, so that the sample on the conveying sliding table 11 is pushed to the lower side of the sample injector head 3, at this time, the sample injector head 3 drives the sample needle head 9 to extend into the sample container to complete the sample injection.
[0025] The color card 13 provided in the mass spectrometer sample injector with the automatic calibration function can conveniently distinguish and mark the sample, can avoid marking confusion, and can place the sample at will before marking, and can perform color recognition through the color recognition sensor 8 after marking, so that the required sample can be accurately calibrated and positioned, and the sample can be conveniently injected.
[0026] In one embodiment of the utility model, the inner wall of fixing cylinder 12 detachable connection has the protection inner ring 16, the middle part of protection inner ring 16 is provided with built-in groove 17, the middle part of built-in groove 17 is provided with clamping block 18, and the built-in groove 17 and clamping block 18 are provided with limit spring 19, the fixing cylinder 12 can place the sample container during use, and the clamping block 18 in the protection inner ring 16 can be used to fix and clamp the sample container, so that the stability of the sample container can be ensured, and the deviation during sampling can be avoided.
[0027] In another embodiment of the utility model, the output end of driving motor 10 is connected with the lower end of the outer surface of sample feeding table 7, the sample feeding table 7 is movably connected with conveying sliding table 11, and the driving motor 10 is mainly used to drive the sample feeding table 7 to rotate during use.
[0028] In another embodiment of the utility model, the electric push rod 14 is fixedly connected with the conveying slide platform 11 through the connecting plate 15, the base 6 and the sample feeding platform 7 are both hollow structures, and the electric push rod 14 can mainly push the conveying slide platform 11 through the connecting plate 15 and drive the conveying slide platform 11 to extend and retract.
[0029] In one embodiment of the utility model, the protective inner ring 16 and the built-in groove 17 are integrally formed, the built-in groove 17 is movably connected with the clamping block 18 through the limiting spring 19, and the protective inner ring 16 can mainly guarantee the stability of the sample container during use.
[0030] In another embodiment of the utility model, the front end of the clamping block 18 is of an arc structure, and the number of the built-in grooves 17 is 4-6, and the arc structure of the front end of the clamping block 18 can be conveniently attached to the surface of the sample container.
[0031] It should be noted that the utility model is a mass spectrometer sample feeder with automatic calibration function, which can place the treated sample into the sample container and then insert the sample container into the fixed cylinder 12 for placement, at this time, the sample container will extrude the clamping block 18 to move backward, the clamping block 18 will compress the limiting spring 19, so that the clamping block 18 can be attached and clamped on the surface of the sample container to fix it, after the sample is placed, the color of the color card 13 above the conveying slide platform 11 can be input into the host computer, the driving motor 10 can be started to drive the sample feeding platform 7 to rotate when the sample is fed, the sample feeding platform 7 can fix and place the sample container through the fixed cylinder 12, the sample container can be rotated when the sample feeding platform 7 rotates, then the sample container can be marked through the color card 13, and the color card 13 can be identified through the color recognition sensor 8, when the color recognition sensor 8 identifies the color card 13 corresponding to the required sample, at this time, the driving motor 10 stops rotating, then the electric push rod 14 provides the connecting plate 15 to push the conveying slide platform 11 to move, so that the sample on the conveying slide platform 11 is pushed to the lower side of the sample feeding head 3, at this time, the sample feeding head 3 drives the sample feeding needle 9 to extend into the sample container to complete the sample feeding, and the utility model is more practical.
[0032] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A mass spectrometer sample injector with automatic calibration function, comprising a mass spectrometer body (1), characterized in that: The outer surface of one side of the mass spectrometer body (1) is provided with a sample injector mechanism (2), the upper end of the outer surface of the sample injector mechanism (2) is provided with a sample injector head (3), the sample injector head (3) and the mass spectrometer body (1) are provided with a conveying pipeline (4), the front end of the outer surface of the mass spectrometer body (1) is movably connected with a box door (5), one side of the outer surface of the sample injector mechanism (2) is detachably connected with a base (6), the upper end of the outer surface of the base (6) is movably connected with a sample feeding table (7), the lower end of the outer surface of the sample injector mechanism (2) is detachably connected with a color recognition sensor (8), the lower end of the outer surface of the sample injector head (3) is provided with a sample injection needle (9), the middle of the base (6) is provided with a driving motor (10), the upper end of the outer surface of the sample feeding table (7) is movably connected with a conveying sliding table (11), the upper end of the outer surface of the conveying sliding table (11) is provided with a fixed cylinder (12) and a color card (13), the fixed cylinder (12) is located on one side of the color card (13), one end of the inner surface of the sample feeding table (7) is detachably connected with an electric push rod (14), and the electric push rod (14) and the conveying sliding table (11) are provided with a connecting plate (15).
2. The mass spectrometer sample injector with automatic calibration function according to claim 1, characterized in that: The inner wall of the fixed cylinder (12) is detachably connected with a protective inner ring (16), the middle of the protective inner ring (16) is provided with an inner groove (17), the middle of the inner groove (17) is provided with a clamping block (18), and the inner groove (17) and the clamping block (18) are provided with a limiting spring (19).
3. The mass spectrometer sample injector with automatic calibration function according to claim 1, characterized in that: The output end of the driving motor (10) is connected with the lower end of the outer surface of the sample feeding table (7), and the sample feeding table (7) is movably connected with the conveying sliding table (11).
4. The mass spectrometer sample injector with automatic calibration function according to claim 1, characterized in that: The electric push rod (14) is fixedly connected with the conveying sliding table (11) through the connecting plate (15), and the base (6) and the sample feeding table (7) are both hollow structures.
5. The mass spectrometer sample injector with automatic calibration function according to claim 2, wherein: The protective inner ring (16) and the inner groove (17) are an integral structure, and the inner groove (17) is movably connected with the clamping block (18) through the limiting spring (19).
6. The mass spectrometer sample injector with automatic calibration function according to claim 2, characterized in that: The front end of the clamping block (18) is of arc-shaped structure, and the number of the inner groove (17) is 4-6.