Inductively coupled plasma mass spectrometer sampling device

Abstract

The utility model relates to the technical field of sampling devices, in particular to an inductively coupled plasma mass spectrometer sampling device which comprises a machine body and a sampling assembly, and the sampling assembly comprises a mounting seat, a motor, a placement table, a test tube groove, a cleaning groove, a first water pump, a connecting pipe, a spraying piece, a lifting piece and a sample injection needle; the sample injection needle is driven by the lifting part to move downwards into the cleaning tank, the first water pump pumps clean water from an external water source into the connecting pipe, the clean water is sprayed to the outer surface of the sample injection needle from the spraying part to flush a solution attached to the outer surface of the sample injection needle, and after flushing is completed, the lifting part drives the sample injection needle to move upwards to reset; by flushing and cleaning the solution attached to the outer surface of the sample injection needle, the sample injection needle can be prevented from polluting the solution in other test tubes when sampling the solution in other test tubes.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to a sampling device for an inductively coupled plasma mass spectrometer. Background Art

[0002] Inductively coupled plasma mass spectrometer is a mass spectrometer for determining ultra-trace elements and isotope ratios. It is mainly used for trace and ultra-trace multi-element analysis and isotope ratio analysis. When using the inductively coupled plasma mass spectrometer, a sampling device is required for sample injection.

[0003] The current prior art CN211062686U discloses a sampling device for a leather inductively coupled plasma mass spectrometer, including a body, a motor 1 is fixed to the inner bottom of the body, a turntable is fixed vertically upward at the driving end of the motor 1, a motor 2 is fixed to the middle of the upper side wall of the turntable, three rotating rods are evenly fixed on the outer wall of the driving end of the motor 2, an arc block 1 is fixed to the end of each rotating rod away from the motor 2, three evenly distributed fixed columns are fixed to the upper side wall of the turntable, a slide is sleeved on the outer wall of each fixed column, a slide groove is provided at the connection between each slide and the fixed column, a compression spring is fixed between the outer wall of each fixed column and the inner wall of the slide groove, and the sampling, cleaning and reciprocating sampling of the sampling needle are realized through the rotation of the turntable, thereby avoiding the problem of frequent sample replacement required in traditional single solution detection.

[0004] However, when the above method is used, only the inside of the injection needle can be cleaned, and the outer surface of the injection needle cannot be cleaned. In actual sampling work, after the injection needle is inserted into the test tube, the outer wall will adhere to the solution, causing the injection needle to contaminate the solution in other test tubes when sampling the solution in other test tubes. Utility Model Content

[0005] The utility model aims to provide an inductively coupled plasma mass spectrometer sampling device, which can clean the solution attached to the outer surface of the injection needle to prevent the injection needle from contaminating the solution in other test tubes when performing sampling operations on the solution in other test tubes.

[0006] To achieve the above-mentioned object, the utility model provides an inductively coupled plasma mass spectrometer sampling device, comprising a body and a sampling assembly, wherein the sampling assembly comprises a mounting seat, a motor, a placement table, a test tube slot, a cleaning slot, a first water pump, a connecting pipe, a spray part, a lifting part and an injection needle;

[0007] The mounting seat is fixedly connected to the body and is located at the side of the body; the motor is fixedly connected to the mounting seat and is located at the side of the mounting seat; the placement table is fixedly connected to the output end of the motor and is located at the top of the motor; the test tube slot is fixedly connected to the placement table and is located at the side of the placement table; the cleaning slot is fixedly connected to the placement table and is located at the side of the placement table; the first water pump is fixedly connected to the cleaning slot and is located at the side of the cleaning slot; the connecting pipe is connected to the first water pump and is located at the side of the first water pump; the spray part is connected to the connecting pipe and is located inside the cleaning slot; the lifting part is arranged on the side of the body; the injection needle is arranged at the bottom of the lifting part.

[0008] Among them, the spray part includes an annular empty shell and multiple nozzles; the annular empty shell is fixedly connected to the cleaning tank, communicated with the connecting pipe, and located inside the cleaning tank; the multiple nozzles are respectively fixedly connected and communicated with the annular empty shell, and are respectively located on the sides of the annular empty shell.

[0009] Wherein, the lifting member includes a support and a cylinder; the support is fixedly connected to the body and is located on the side of the body; the cylinder is fixedly connected to the support, and the cylinder output rod is fixedly connected to the injection needle and is located on the side of the support.

[0010] Wherein, the inductively coupled plasma mass spectrometer sampling device also includes a cleaning component; the cleaning component is arranged on the side of the injection needle.

[0011] Wherein, the cleaning component includes a second water pump and a water outlet pipe; the second water pump is fixedly connected to the body and is located on the side of the body; the water outlet pipe is respectively connected to the second water pump and the injection needle, and is located between the second water pump and the injection needle.

[0012] Wherein, the inductively coupled plasma mass spectrometer sampling device also includes a drying component; the drying component is arranged on the side of the body.

[0013] Wherein, the drying component includes a hot air blower and an air outlet duct; the hot air blower is fixedly connected to the machine body and is located on the side of the machine body; the air outlet duct is fixedly connected and communicated with the hot air blower and is located on the side of the hot air blower.

[0014] The utility model discloses an inductively coupled plasma mass spectrometer sampling device. When in use, a test tube is placed in the test tube slot, the motor drives the placement table to rotate 180 degrees, so that the test tube slot rotates to the bottom of the injection needle, the lifting component drives the injection needle to move down to the test tube to sample the solution, after the sampling is completed, the lifting component drives the injection needle to move up, and the sampled solution is transported from the injection needle to the inductively coupled plasma mass spectrometer for detection; then the motor drives the placement table to rotate 180 degrees again, so that the cleaning tank rotates to the bottom of the injection needle, the lifting component drives the injection needle to move down to the inside of the cleaning tank, the first water pump draws clean water from the external water source into the connecting pipe, the clean water is sprayed from the spray component to the outer surface of the injection needle, the solution attached to the outer surface of the injection needle is rinsed, and after the rinsing is completed, the lifting component drives the injection needle to move up and reset. A water outlet is provided at the bottom of the cleaning tank for discharging the water after cleaning from the cleaning tank; the present application can prevent the sampling needle from contaminating the solution in other test tubes when sampling the solution in other test tubes by flushing and cleaning the solution attached to the outer surface of the sampling needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0017] Figure 2 It is a schematic structural diagram of the first embodiment of the utility model from another angle.

[0018] Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0020] Figure 5 It is a schematic structural diagram of the second embodiment of the utility model from another angle.

[0021] Figure 6 It is a schematic diagram of the overall structure of the third embodiment of the utility model.

[0022] Figure 7 It is a schematic structural diagram of the third embodiment of the utility model from another angle.

[0023] 101-body, 102-sampling component, 103-mounting seat, 104-motor, 105-placing table, 106-test tube slot, 107-cleaning slot, 108-first water pump, 109-connecting pipe, 110-spraying part, 111-lifting part, 112-injection needle, 113-annular empty shell, 114-nozzle, 115-support, 116-cylinder, 201-cleaning component, 202-second water pump, 203-water outlet pipe, 301-drying component, 302-hot air blower, 303-air outlet pipe. DETAILED DESCRIPTION

[0024] The first embodiment of the present application is:

[0025] See also Figure 1-Figure 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a schematic structural diagram of the first embodiment of the utility model from another angle. Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0026] The utility model provides an inductively coupled plasma mass spectrometer sampling device, comprising a body 101 and a sampling assembly 102, wherein the sampling assembly 102 comprises a mounting seat 103, a motor 104, a placement table 105, a test tube slot 106, a cleaning slot 107, a first water pump 108, a connecting pipe 109, a spraying member 110, a lifting member 111 and an injection needle 112; the spraying member 110 comprises an annular hollow shell 113 and a plurality of nozzles 114; the lifting member 111 comprises a support 115 and a cylinder 116; through the above-mentioned scheme, the solution attached to the outer surface of the injection needle 112 can be cleaned, so as to prevent the injection needle 112 from contaminating the solution in other test tubes when performing a sampling operation on the solution in other test tubes.

[0027] According to this specific embodiment, the body 101 is used to support the sampling assembly 102 .

[0028] The mounting seat 103 is fixedly connected to the body 101 and is located at the side of the body 101; the motor 104 is fixedly connected to the mounting seat 103 and is located at the side of the mounting seat 103; the placement table 105 is fixedly connected to the output end of the motor 104 and is located at the top of the motor 104; the test tube slot 106 is fixedly connected to the placement table 105 and is located at the side of the placement table 105; the cleaning slot 107 is fixedly connected to the placement table 105 The first water pump 108 is fixedly connected to the cleaning tank 107 and is located at the side of the cleaning tank 107; the connecting pipe 109 is connected to the first water pump 108 and is located at the side of the first water pump 108; the spray part 110 is connected to the connecting pipe 109 and is located inside the cleaning tank 107; the lifting part 111 is arranged on the side of the body 101; the injection needle 112 is arranged at the bottom of the lifting part 111. The first water pump 108 is connected to an external water source. When in use, a test tube is placed in the test tube slot 106. The motor 104 drives the placement table 105 to rotate 180 degrees, so that the test tube slot 106 rotates to the bottom of the injection needle 112. The lifting member 111 drives the injection needle 112 to move down to the test tube to sample the solution. After the sampling is completed, the lifting member 111 drives the injection needle 112 to move up. The sampled solution is transported from the injection needle 112 to the inductively coupled plasma mass spectrometer for detection; then the motor 1 04 Then drive the placement table 105 to rotate 180 degrees, so that the cleaning tank 107 rotates to the bottom of the injection needle 112, and the lifting member 111 drives the injection needle 112 to move down to the inside of the cleaning tank 107. The first water pump 108 draws clean water from the external water source into the connecting pipe 109. The clean water is sprayed from the spray member 110 to the outer surface of the injection needle 112 to rinse the solution attached to the outer surface of the injection needle 112. After the rinsing is completed, the lifting member 111 drives the injection needle 112 to move up and reset. The bottom of the cleaning tank 107 is provided with a water outlet for discharging the cleaned water from the cleaning tank 107; the present application can prevent the injection needle 112 from contaminating the solution in other test tubes when sampling the solution in other test tubes by rinsing and cleaning the solution attached to the outer surface of the injection needle 112.

[0029] Secondly, the annular shell 113 is fixedly connected to the cleaning tank 107, communicated with the connecting pipe 109, and located inside the cleaning tank 107; the plurality of nozzles 114 are respectively fixedly connected to and communicated with the annular shell 113, and are respectively located at the sides of the annular shell 113. The first water pump 108 introduces external clean water into the annular shell 113 through the connecting pipe 109, and sprays it to the outer surface of the injection needle 112 through the plurality of nozzles 114, so as to fully rinse the solution attached to the outer surface of the injection needle 112.

[0030] Meanwhile, the support 115 is fixedly connected to the body 101 and is located at the side of the body 101; the cylinder 116 is fixedly connected to the support 115, and the output rod of the cylinder 116 is fixedly connected to the injection needle 112 and is located at the side of the support 115. The support 115 supports the cylinder 116, and the cylinder 116 can drive the injection needle 112 to move longitudinally.

[0031] When using the utility model, a test tube is placed in the test tube slot 106, and the motor 104 drives the placement table 105 to rotate 180 degrees, so that the test tube slot 106 rotates to the bottom of the injection needle 112, and the cylinder 116 drives the injection needle 112 to move down to the test tube to sample the solution. After the sampling is completed, the cylinder 116 drives the injection needle 112 to move up, and the sampled solution is transported from the injection needle 112 to the inductively coupled plasma mass spectrometer for detection; then the motor 104 drives the placement table again 105 rotates 180°, so that the cleaning tank 107 rotates to the bottom of the injection needle 112, and the cylinder 116 drives the injection needle 112 to move down to the inside of the cleaning tank 107. The first water pump 108 introduces external cleaning water into the annular shell 113 through the connecting pipe 109, and sprays it to the outer surface of the injection needle 112 through multiple nozzles 114, and comprehensively rinses the solution attached to the outer surface of the injection needle 112. After the rinsing is completed, the cylinder 116 drives the injection needle 112 to move up and reset. The bottom of the cleaning tank 107 is provided with a water outlet for discharging the cleaned water from the cleaning tank 107; the present application can prevent the injection needle 112 from contaminating the solution in other test tubes when sampling the solution in other test tubes by rinsing and cleaning the solution attached to the outer surface of the injection needle 112.

[0032] The second embodiment of the present application is:

[0033] Based on the first embodiment, please refer to Figure 4-Figure 5 ,in, Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5It is a schematic structural diagram of the second embodiment of the utility model from another angle.

[0034] The sampling device for an inductively coupled plasma mass spectrometer provided by the utility model further includes a cleaning component 201 ; the cleaning component 201 includes a second water pump 202 and a water outlet pipe 203 .

[0035] According to this specific embodiment, the cleaning component 201 is arranged on the side of the injection needle 112. The inside of the injection needle 112 can be cleaned by the cleaning component 201.

[0036] The second water pump 202 is fixedly connected to the body 101 and is located at the side of the body 101; the water outlet pipe 203 is respectively connected to the second water pump 202 and the injection needle 112, and is located between the second water pump 202 and the injection needle 112. The second water pump 202 is connected to an external water source, and the second water pump 202 introduces external clean water into the injection needle 112 through the water outlet pipe 203 to rinse the inside of the injection needle 112, and the rinsed water is discharged from the water outlet hole at the bottom of the cleaning tank 107.

[0037] When the utility model is used, the cylinder 116 drives the injection needle 112 to move downward to the inside of the cleaning tank 107, the first water pump 108 introduces external cleaning water into the annular empty shell 113 through the connecting pipe 109, and sprays it to the outer surface of the injection needle 112 through the multiple nozzles 114, so as to comprehensively rinse the solution attached to the outer surface of the injection needle 112, and at the same time, the second water pump 202 introduces external cleaning water into the injection needle 112 through the outlet pipe 203, so as to rinse the inside of the injection needle 112, after cleaning is completed, the cylinder 116 drives the injection needle 112 to move upward and reset, and a water outlet hole is provided at the bottom of the cleaning tank 107 for discharging the cleaned water out of the cleaning tank 107.

[0038] The third embodiment of the present application is:

[0039] Based on the second embodiment, please refer to Figure 6-Figure 7 ,in, Figure 6 It is a schematic diagram of the overall structure of the third embodiment of the utility model. Figure 7 It is a schematic structural diagram of the third embodiment of the utility model from another angle.

[0040] The sampling device for an inductively coupled plasma mass spectrometer provided by the utility model further includes a drying component 301 ; the drying component 301 includes a hot air blower 302 and an air outlet pipe 303 .

[0041] According to this specific embodiment, the drying component 301 is arranged on the side of the body 101. The drying component 301 can be used to dry the cleaned injection needle 112.

[0042] The hot air blower 302 is fixedly connected to the body 101 and is located at the side of the body 101; the air outlet pipe 303 is fixedly connected and communicated with the hot air blower 302 and is located at the side of the hot air blower 302. When the hot air blower 302 is turned on, hot air is blown to the surface of the injection needle 112 through the air outlet pipe 303, so that the cleaned injection needle 112 can be quickly dried.

[0043] When using the utility model, a test tube is placed in the test tube slot 106, and the motor 104 drives the placement table 105 to rotate 180°, so that the test tube slot 106 rotates to the bottom of the injection needle 112, and the cylinder 116 drives the injection needle 112 to move down to the test tube to sample the solution. After the sampling is completed, the cylinder 116 drives the injection needle 112 to move up, and the sampled solution is transported from the injection needle 112 to the inductively coupled plasma mass spectrometer for detection; then the motor 104 drives the placement table 105 to rotate 180° again, so that the cleaning tank 107 rotates to the bottom of the injection needle 112, and the cylinder 116 drives the injection needle 112 to move up. The injection needle 112 moves down to the inside of the cleaning tank 107, and the first water pump 108 introduces external cleaning water into the annular shell 113 through the connecting pipe 109, and sprays it to the outer surface of the injection needle 112 through the multiple nozzles 114, and comprehensively rinses the solution attached to the outer surface of the injection needle 112. At the same time, the second water pump 202 introduces external cleaning water into the injection needle 112 through the outlet pipe 203, and rinses the inside of the injection needle 112. After the cleaning is completed, the cylinder 116 drives the injection needle 112 to move up and reset. The bottom of the cleaning tank 107 is provided with a water outlet hole for discharging the cleaned water from the cleaning tank 107. After the injection needle 112 is reset, the hot air blower 302 is turned on, and the hot air is blown to the surface of the injection needle 112 through the outlet pipe 303, which can quickly dry the cleaned injection needle 112. The present application can prevent the injection needle 112 from contaminating the solutions in other test tubes when performing a sampling operation on the solutions in other test tubes by flushing and cleaning the solution attached to the outer surface of the injection needle 112 .

[0044] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An inductively coupled plasma mass spectrometer sampling device, comprising a body, characterized in that: Also included is a sampling assembly; The sampling assembly includes a mounting seat, a motor, a placement table, a test tube slot, a cleaning slot, a first water pump, a connecting pipe, a spray part, a lifting part and an injection needle; The mounting seat is fixedly connected to the body and is located at the side of the body; the motor is fixedly connected to the mounting seat and is located at the side of the mounting seat; the placement table is fixedly connected to the output end of the motor and is located at the top of the motor; the test tube slot is fixedly connected to the placement table and is located at the side of the placement table; the cleaning slot is fixedly connected to the placement table and is located at the side of the placement table; the first water pump is fixedly connected to the cleaning slot and is located at the side of the cleaning slot; the connecting pipe is connected to the first water pump and is located at the side of the first water pump; the spray part is connected to the connecting pipe and is located inside the cleaning slot; the lifting part is arranged on the side of the body; the injection needle is arranged at the bottom of the lifting part.

2. The sampling device for inductively coupled plasma mass spectrometer according to claim 1, characterized in that: The spraying member includes an annular shell and a plurality of nozzles; the annular shell is fixedly connected to the cleaning tank, communicated with the connecting pipe, and located inside the cleaning tank; the plurality of nozzles are respectively fixedly connected to and communicated with the annular shell, and are respectively located on the sides of the annular shell.

3. The sampling device for inductively coupled plasma mass spectrometer according to claim 2, characterized in that: The lifting member includes a support and a cylinder; the support is fixedly connected to the body and is located at the side of the body; the cylinder is fixedly connected to the support, and the cylinder output rod is fixedly connected to the injection needle and is located at the side of the support.

4. The sampling device for inductively coupled plasma mass spectrometer according to claim 3, characterized in that: The inductively coupled plasma mass spectrometer sampling device also includes a cleaning component; the cleaning component is arranged on the side of the injection needle.

5. The sampling device for inductively coupled plasma mass spectrometer according to claim 4, characterized in that: The cleaning assembly includes a second water pump and a water outlet pipe; the second water pump is fixedly connected to the body and is located on the side of the body; the water outlet pipe is respectively connected to the second water pump and the injection needle and is located between the second water pump and the injection needle.

6. The sampling device for inductively coupled plasma mass spectrometer according to claim 5, characterized in that: The inductively coupled plasma mass spectrometer sampling device also includes a drying component; the drying component is arranged on the side of the body.

7. The sampling device for inductively coupled plasma mass spectrometer according to claim 6, characterized in that: The drying component includes a hot air blower and an air outlet pipe; the hot air blower is fixedly connected to the machine body and is located at the side of the machine body; the air outlet pipe is fixedly connected and communicated with the hot air blower and is located at the side of the hot air blower.

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