Analysis assembly and detection device

Abstract

The utility model discloses an analysis component and a detection device, and belongs to the technical field of detection. The analysis assembly comprises an analysis module and a blocking piece, the analysis module is provided with a containing space, a fluid inflow channel, an outflow channel and a communicating groove, the containing space is used for containing a sample bearing piece bearing a sample, the fluid inflow channel is used for allowing sampling fluid to flow in, and the fluid inflow channel is communicated with the outflow channel through the communicating groove; the analysis module is used for being connected with a migration pipe, and the outflow channel is used for communicating with the migration pipe; the blocking piece is movably arranged on the analysis module, the blocking piece can move between a first position and a second position, under the condition that the sample bearing piece exists in the containing space, the blocking piece is located at the second position, and at least part of the sample bearing piece is connected with the blocking piece and the communication groove in a sealed mode. According to the scheme, external unclean airflow can be prevented from entering the migration tube, so that the accuracy of a detection result can be effectively improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of detection, and particularly relates to a resolving assembly and a detection device. BACKGROUND

[0002] With the development of society, the demand for detection of dangerous goods such as explosives is higher and higher, and therefore various detection devices are produced. The detection device for detecting explosives is most popular, and the detection device for detecting explosives uses ion mobility spectrometry technology to detect explosives. Because of the advantages of portability, rapidness, sensitivity and the like, the detection device is widely used in multiple fields.

[0003] However, in the related art, the detection device produced by using the ion mobility spectrometry technology often collects external gas and samples into the migration tube and detects them in the process of collecting samples, which easily causes the detection accuracy of the detection device to be low. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the embodiments of the application is to provide a resolving assembly and a detection device, which can solve the problem of low detection accuracy of the detection device in the related art.

[0005] In a first aspect, the embodiments of the application provide a resolving assembly, which comprises:

[0006] The resolving module is provided with a containing space, a fluid inflow channel, an outflow channel and a communication groove. The containing space is used for containing a sample carrier carrying a sample. The fluid inflow channel is used for inflow of a sampling fluid. The fluid inflow channel is communicated with the outflow channel through the communication groove. The resolving module is used for being connected with a migration tube, and the outflow channel is used for being communicated with the migration tube.

[0007] The blocking piece is movably arranged in the resolving module. The blocking piece can be moved between a first position and a second position. When the blocking piece is located at the first position, the blocking piece is in sealed connection with the communication groove. When the containing space contains the sample carrier, the blocking piece is located at the second position, and at least part of the sample carrier is in sealed connection with the blocking piece and the communication groove, respectively.

[0008] In a second aspect, the embodiments of the application further provide a detection device, which comprises a migration tube and the above resolving assembly. The migration tube is connected with the resolving module of the resolving assembly and is communicated with the outflow channel of the resolving module.

[0009] In the embodiment of the present application, the analysis module is provided with a containing space, a fluid inflow channel, an outflow channel and a communication groove. The containing space is used for containing a sample carrier carrying a sample. The migration tube is in communication with the outflow channel. The blocking piece is movably arranged in the analysis module. When the blocking piece is located at the first position, the containing space is free of the sample carrier at this time. The blocking piece is in sealed connection with the communication groove, so that the communication groove and the fluid inflow channel and the outflow channel form a closed channel, so as to prevent the external unclean airflow from entering the communication groove through the containing space and then entering the migration tube. When the containing space has the sample carrier, the blocking piece is located at the second position, and at least part of the sample carrier is in sealed connection with the blocking piece and the communication groove, so that the communication groove and the fluid inflow channel and the outflow channel form a closed channel. The sampling fluid flowing into the fluid inflow channel can pass through the sample carrier and carry the sample on the sample carrier into the migration tube through the outflow channel, so that the migration tube detects the sample. At the same time, since the sample carrier is in sealed connection with the communication groove, the external unclean airflow can be prevented from entering the communication groove through the containing space and then entering the migration tube, so that the accuracy of the detection result can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is one of the working principle schematic diagrams of the sampling gas path of the migration tube disclosed by the embodiment of the present application (the blocking piece is located at the first position);

[0011] Figure 2 is the second working principle schematic diagram of the sampling gas path of the migration tube disclosed by the embodiment of the present application (the blocking piece is located at the second position);

[0012] Figure 3 is one of the structural schematic diagrams of the analysis assembly disclosed by the embodiment of the present application (the sample carrier can be vertically inserted);

[0013] Figure 4 is one of the perspective views of the analysis assembly disclosed by the embodiment of the present application (the driving piece is a linear stepping motor, and the sample carrier can be vertically inserted);

[0014] Figure 5 is one of the sectional views of the analysis assembly disclosed by the embodiment of the present application (the driving piece is a linear stepping motor, and the sample carrier can be vertically inserted);

[0015] Figure 6 is a connection relationship diagram of the analysis module and the carrier detection element in the side view angle disclosed by the embodiment of the present application;

[0016] Figure 7 is a connection relationship diagram of the analysis module and the carrier detection element in the perspective view angle disclosed by the embodiment of the present application;

[0017] Figure 8Fig. 2 is a structural schematic view of the analysis assembly according to an embodiment of the present application (the sample carrier can be horizontally inserted);

[0018] Figure 9 Fig. 3 is a sectional view of the analysis assembly according to an embodiment of the present application (the driving member is a linear stepping motor, and the sample carrier can be horizontally inserted);

[0019] Figure 10 Fig. 4 is a perspective view of the analysis assembly according to an embodiment of the present application (the driving member is an electromagnet);

[0020] Figure 11 Fig. 5 is a front view of the analysis assembly according to an embodiment of the present application (the driving member is an electromagnet);

[0021] Figure 12 Fig. 6 is a top view of the analysis assembly according to an embodiment of the present application (the driving member is an electromagnet);

[0022] Figure 13 Fig. 7 is a position relationship diagram of the blocking member and the analysis module according to an embodiment of the present application;

[0023] Figure 14 Fig. 8 is a connection relationship diagram of the heat preservation member and the migration tube inlet support according to an embodiment of the present application.

[0024] Explanation of reference signs:

[0025] 100 - migration tube; 200 - sample carrier; 300 - analysis module; 301 - containing space;

[0026] 302 - fluid inflow channel; 303 - communication groove; 304 - outflow channel; 305 - sample inlet;

[0027] 306 - transition channel; 3061 - first channel; 3062 - second channel; 307 - connection channel;

[0028] 308 - through hole; 309 - limiting groove; 3010 - first flared portion; 3011 - second flared portion; 3012 - third flared portion;

[0029] 3013 - fourth flared portion; 310 - heating support; 311 - first inner wall surface; 320 - heat preservation member;

[0030] 321 - first part; 322 - second part; 330 - migration tube inlet support; 340 - detection element support;

[0031] 350 - connection nozzle; 360 - second sealing member; 370 - third sealing member; 400 - blocking member; 410 - groove;

[0032] 420 - limiting protrusion; 430 - first sealing member; 500 - driving assembly; 510 - driving member; 520 - elastic member;

[0033] 530 - first adapter; 540 - second adapter; 550 - connecting rod; 560 - first support;

[0034] 570 - shock pad; 580 - electromagnet; 590 - second support; 5010 - reset driving member;

[0035] 5020 - extending rod support; 5030 - guiding connecting member; 5040 - power supply line; 600 - connecting pipeline;

[0036] 700 - fluid driving member; 800 - filtering member; 900 - bearing detecting element; 910 - transmitter;

[0037] 920 - receiver; 1000 - limiting element; 1100 - heating member; 1200 - temperature detecting element. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0039] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a class, and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.

[0040] The resolving assembly and detection device provided by the embodiments of the present application will be described in detail below with reference to the drawings and specific embodiments and application scenarios.

[0041] Reference Figures 1-14 The resolving assembly provided by the embodiments of the present application can include a resolving module 300 and a plugging member 400.

[0042] Among them, for example, Figure 1As shown, the analysis module 300 may be provided with a receiving space 301, a fluid inflow channel 302, an outflow channel 304, and a connecting groove 303. The receiving space 301 can be used to receive the sample carrier 200 carrying the sample. The fluid inflow channel 302 can be used for the sampling fluid to flow in. The fluid inflow channel 302 can be connected to the outflow channel 304 through the connecting groove 303. The analysis module 300 can be connected to the migration tube 100, and the outflow channel 304 can be connected to the migration tube 100. With this configuration, the sampling fluid flowing into the fluid inflow channel 302 can flow into the outflow channel 304 through the connecting groove 303, and then into the migration tube 100 through the outflow channel 304. Here, the connecting groove 303 can be connected to the receiving space 301 so that the sampling fluid can flow through the sample carrier 200 carrying the sample.

[0043] Here, the sample carrier 200 can be sample paper, and the sampling fluid can be clean air, nitrogen, or other inert gases.

[0044] The blocking component 400 is movably disposed in the parsing module 300. The blocking component 400 can move between a first position and a second position. When the blocking component 400 is in the first position, such as Figure 1 As shown, at this time, the sample carrier 200 is not present in the containing space 301, and the sealing member 400 is sealed to the connecting channel 303. In this way, the connecting channel 303 can form a closed channel with the fluid inflow channel 302 and the outflow channel 304 to prevent unclean airflow from the outside from entering the connecting channel 303 through the containing space 301 and then entering the migration tube 100. When the sample carrier 200 is present in the containing space 301, the sealing member 400 is in the second position, and at least a part of the sample carrier 200 is sealed to the sealing member 400 and the connecting channel 303 respectively. In this way, the connecting channel 303 can form a closed channel with the fluid inflow channel 302 and the outflow channel 304. The sampling fluid flowing into the fluid inflow channel 302 can pass through the sample carrier 200 and carry the sample on the sample carrier 200 into the migration tube 100 through the outflow channel 304 so that the migration tube 100 can detect the sample.

[0045] Here, the migration tube 100 may include an ionization region and a migration region, which are separated by ion gates. The ionization region is connected to the outflow channel 304. An electric field can be formed in the ionization region, and a magnetic field can be formed in the migration region. Specifically, an electrode assembly for forming an electric field can be provided in the ionization region, and an electromagnetic coil can be provided in the migration region for forming a magnetic field. The sample can be carried into the ionization region by the sampling fluid, where sample molecules are ionized into ions. Under the action of the electric field, these ions enter the migration region through the periodically opening ion gates, and the ions are separated under the impetus of the electric field and the deflection of the magnetic field.

[0046] The setting of the ion gate can precisely control the timing and quantity of ions entering the migration zone, and the magnetic field strength can be adjusted by controlling the electromagnetic coil, thereby realizing fine adjustment of the ion migration path and separation effect, so as to realize efficient separation of ions in the migration zone.

[0047] The migration tube 100 further comprises a Faraday cup, which is arranged on the side of the migration zone away from the ionization zone. The Faraday cup serves as an ion collector and can accurately measure the number of ions that have passed through the migration zone, thereby realizing detection of the sample.

[0048] In this way, since at least part of the blocking member 400 or the sample carrier 200 is sealingly connected to the communication groove 303, whether during detection or when not detecting, the outside impure airflow can be prevented from entering the communication groove 303 and then entering the migration tube 100 through the accommodation space 301, thereby effectively improving the accuracy of the detection result.

[0049] In an optional embodiment of the present application, the resolving assembly can further comprise a connecting pipeline 600 and a fluid driving member 700. The inlet of the connecting pipeline 600 can be used to communicate with the fluid outlet of the migration tube 100, the outlet of the connecting pipeline 600 can communicate with the fluid inflow channel 302, and the fluid driving member 700 can be arranged in the connecting pipeline 600. The fluid driving member 700 can be used to drive the sampling fluid to flow in the direction from the fluid outlet to the fluid inflow channel 302. In this way, the flow channel of the sampling fluid between the resolving assembly and the migration tube 100 forms a closed loop, thereby further preventing external impurities from entering the migration tube 100; and the sampling fluid can be recycled, which is lower in cost compared with the way of supplying the sampling fluid by a fluid supply device. In the present embodiment, the fluid driving member 700 can be a gas pump or a fan.

[0050] Here, as shown in Figure 4 and Figure 5 , the inlet of the fluid inflow channel 302 can be provided with a connecting nozzle 350, which can be connected with the connecting pipeline 600. In this way, the connection of the connecting pipeline 600 and the fluid inflow channel 302 is facilitated.

[0051] In other embodiments, the inlet of the connecting pipeline 600 can also not communicate with the fluid outlet of the migration tube 100, for example, the inlet of the connecting pipeline 600 can communicate with the fluid supply device.

[0052] In an optional embodiment, as shown in Figure 1 and Figure 2As shown, the resolving assembly can further include a filter 800, which can be arranged in the connecting pipeline 600 and can be used to filter the sampling fluid. In this way, the filter 800 can filter impurities or insufficiently ionized sample molecules in the sampling fluid, thereby improving the cleanliness of the sampling fluid to ensure the accuracy of the detection result. Of course, the resolving assembly can also not include the filter 800.

[0053] Here, the filter 800 can be provided with activated carbon or other substances capable of adsorbing or filtering impurities.

[0054] It should be noted that the magnetic field in the migration tube 100 can adsorb ions, thereby making the sampling fluid flowing out of the migration tube 100 relatively pure, thereby further improving the cleanliness of the sampling fluid.

[0055] In optional embodiments of the present application, the blocking member 400 can be provided with a groove 410 near the end of the communication groove 303. When the blocking member 400 is in the first position, the groove 410 can be in communication with the communication groove 303, and when the blocking member 400 is in the second position, the groove 410 can be in sealed connection with the sample carrier 200. In this way, during sampling, the groove 410 is opposite to the communication groove 303, so that both sides of the sample carrier 200 can have a certain space, thereby enabling the sampling fluid to act on the side of the sample carrier 200 close to the communication groove 303, and also enabling the sampling fluid to pass through the sample carrier 200 to act on the side of the sample carrier 200 away from the communication groove 303, so that the sample on the side of the sample carrier 200 away from the communication groove 303 can fall into the groove 410, so that more sample can be vaporized and carried by the sampling fluid into the migration tube 100 through the outflow channel 304, thereby effectively increasing the amount of sample collected to further improve the accuracy of the detection result.

[0056] In other embodiments, the blocking member 400 can also not be provided with the groove 410 near the end of the communication groove 303.

[0057] In optional embodiments of the present application, the resolving assembly can further include a driving assembly 500, which can be connected with the blocking member 400 and can be used to drive the blocking member 400 to move. In this way, the movement of the blocking member 400 can be automatically realized by the driving assembly 500, thereby reducing the involvement of manual operation to reduce errors caused by manual operation.

[0058] In other embodiments, the resolving assembly can also not include the driving assembly 500, and the user can manually move the blocking member 400.

[0059] In an optional embodiment, the resolving module 300 can also be provided with a sample inlet 305, which can be in communication with the accommodation space 301 to facilitate the sample carrier 200 to enter or exit the accommodation space 301.

[0060] In addition, the resolving assembly can also include a carrier detection element 900, which can be used to detect whether the sample carrier 200 is inserted into the sample inlet 305, and the carrier detection element 900 can be in communication connection with the driving assembly 500. When the carrier detection element 900 detects that the sample carrier 200 is inserted into the sample inlet 305, the driving assembly 500 drives the blocking piece 400 to move to a third position, which can be located on the side away from the first position. In this way, space is left for the sample carrier 200 to be inserted between the blocking piece 400 and the communication groove 303, thereby facilitating the sample carrier 200 to enter the accommodation space 301. At the same time, the driving assembly 500 can timely and quickly adjust the position of the blocking piece 400 according to the detection signal of the carrier detection element 900, which is beneficial to shorten the detection time.

[0061] In other embodiments, the resolving assembly can also not include the carrier detection element 900.

[0062] Optionally, the carrier detection element 900 can include a photoelectric switch, which can include an emitter 910 and a receiver 920, and a gap can be provided between the emitter 910 and the receiver 920, the gap corresponding to the sample inlet 305, and the sample carrier 200 first passes through the gap when entering the sample inlet 305. When the sample carrier 200 passes through the gap, the sample carrier 200 blocks the light emitted by the emitter 910, and at this time the receiver 920 cannot receive the light emitted by the emitter 910, thereby detecting that the sample carrier 200 is inserted into the sample inlet 305.

[0063] Of course, the carrier detection element 900 can also be a proximity switch or a micro switch or an infrared sensor, or other detection elements.

[0064] Optionally, the resolving module 300 can be provided with a detection element support 340, and the carrier detection element 900 can be arranged on the detection element support 340, and the carrier detection element 900 can be arranged corresponding to the sample inlet 305 to facilitate the detection of the sample carrier 200.

[0065] In optional embodiments, the driving assembly 500 can include a driving member 510 and an elastic member 520, the blocking member 400 can be connected with the driving member 510 through the elastic member 520, and the elastic member 520 can be used to drive the blocking member 400 to be in sealing connection with the communication groove 303 or to drive the blocking member 400 to push the sample carrier 200 to be in sealing connection with the communication groove 303. In this way, the blocking member 400 can be tightly arranged on the sidewall of the accommodation space 301 where the communication groove 303 is arranged or the blocking member 400 can push the sample carrier 200 to be tightly arranged on the sidewall of the accommodation space 301 where the communication groove 303 is arranged, so that the sealing performance of the blocking member 400 and the communication groove 303 or the sealing performance of the sample carrier 200 and the communication groove 303 can be improved, and thus the phenomenon of poor sealing or air leakage can be prevented.

[0066] In other embodiments, the driving assembly 500 can only include the driving member 510 and does not include the elastic member 520.

[0067] Optionally, as shown in Figure 4 and Figure 5 , the driving assembly 500 can further include a first adapter 530 and a second adapter 540, the first adapter 530 can be connected with the driving member 510, the second adapter 540 can be connected with the blocking member 400, the second adapter 540 can be in sliding connection with the first adapter 530 through a connecting rod 550, the sliding direction of the second adapter 540 can be parallel to the direction from the first position to the second position, the elastic member 520 can be sleeved outside the connecting rod 550, and the two ends of the elastic member 520 can be connected with the first adapter 530 and the second adapter 540, respectively. In this way, the connecting rod 550 can play a certain limiting role on the second adapter 540 and the elastic member 520, so as to prevent the blocking member 400 from deviating during movement, and thus the sample carrier 200 can be more easily acted on.

[0068] Here, the elastic member 520 can be a spring.

[0069] Of course, the driving assembly 500 can not include the first adapter 530 and the second adapter 540, for example, the blocking member 400 can be directly connected with the driving member 510 through the elastic member 520.

[0070] Further optionally, in order to improve the stability of the connection between the first adapter 530 and the second adapter 540, the second adapter 540 and the first adapter 530 can be in sliding connection through at least two connecting rods 550, and the connecting rods 550 can be uniformly distributed along the circumference of the second adapter 540. In order to ensure that the second adapter 540 is in force balance and that the blocking member 400 is in force balance, the elastic member 520 is sleeved outside each connecting rod 550.

[0071] Here, the connecting rod 550 can be fixedly connected with the first adapter 530, and the connecting rod 550 can be slidingly connected with the second adapter 540, so that the second adapter 540 can move relative to the first adapter 530 under the elastic force of the elastic member 520, and then the plugging member 400 can be conveniently abutted against the side wall of the accommodation space 301 provided with the communication groove 303 or the sample carrier 200. In the embodiment, the connecting rod 550 can be a pin or a screw, etc.

[0072] In optional embodiments, as shown in Figure 4 The analysis assembly can further include a limiting element 1000, which can be in communication connection with the driving assembly 500. When the plugging member 400 is located at the second position, the plugging member 400 triggers the limiting element 1000, so that the limiting element 1000 controls the driving assembly 500 to stop. In this way, the movement stroke of the plugging member 400 can be limited by the limiting element 1000, so as to prevent the plugging member 400 from moving too far in the direction away from the communication groove 303 and causing the plugging member 400 to fail to act on the sample carrier 200.

[0073] Of course, the analysis assembly can also not include the limiting element 1000.

[0074] Optionally, when the plugging member 400 is located at the second position, the end of the connecting rod 550 away from the plugging member 400 can be used to trigger the limiting element 1000. In this way, compared with the way of directly triggering the limiting element 1000 by the plugging member 400, the limiting element 1000 is convenient to arrange, and the length of the electrical connection line between the limiting element 1000 and the driving member 510 can be shortened.

[0075] Of course, the plugging member 400 can also be used to directly trigger the limiting element 1000.

[0076] In some embodiments, the limiting element 1000 can be a microswitch, a proximity switch, a travel switch or other elements capable of detecting the position of the plugging member 400.

[0077] In one way, the driving member 510 can be a linear stepper motor (i.e. a lead screw stepper motor), which can include a motor and a lead screw structure. The screw rod of the lead screw structure is connected with the output shaft of the motor, and the nut of the lead screw structure can be connected with the first adapter 530. The motor can drive the screw rod to rotate, and then drive the nut to move, so as to drive the first adapter 530 to move, thereby realizing the movement of the plugging member 400.

[0078] In the embodiment, the driving assembly 500 can further include a first support 560, the linear stepping motor can be arranged on the first support 560, and the limiting element 1000 can be arranged on the first support 560. In this way, the length of the electric connection line between the limiting element 1000 and the linear stepping motor can be shortened.

[0079] In addition, the driving assembly 500 can further include a damping pad 570, which can be arranged below the first support 560 and used for supporting the first support 560. In this way, the vibration generated by the driving member 510 during the working process can be effectively reduced.

[0080] In another mode, the driving member 510 can also adopt the control mode of the electromagnet 580 to drive the blocking member 400 to move.

[0081] Optionally, the driving assembly 500 can include a second support 590, an electromagnet 580, an extension rod support 5020, a guide connecting member 5030 and a reset driving member 5010. The electromagnet 580 is arranged on the second support 590 and electrically connected with the power supply through a power line 5040. The extension rod support 5020 is slidably connected with the second support 590. The guide connecting member 5030 is connected with the extension rod support 5020 through a fixing screw. The blocking member 400 is connected with the guide connecting member 5030.

[0082] When the electromagnet 580 is powered, a magnetic force is generated. At this time, the electromagnet 580 can drive the extension rod support 5020 to move towards the electromagnet 580, thereby driving the blocking member 400 to move to the second position. Here, the extension rod support 5020 can be made of a magnet or iron so as to be attracted by the electromagnet 580.

[0083] When the electromagnet 580 is powered off, the reset driving member 5010 can drive the extension rod support 5020 to move away from the electromagnet 580, so as to drive the blocking member 400 to move to the first position. Optionally, the reset driving member 5010 can be a reset elastic member, and the two ends of the reset elastic member can be respectively connected with the electromagnet 580 and the extension rod support 5020, so as to drive the extension rod support 5020 to reset.

[0084] Of course, in other manners, the driving assembly 500 can also include a first electromagnet and a second electromagnet, the first electromagnet is arranged on the second support 590, and the second electromagnet can be arranged on the extension rod support 5020. When the first electromagnet and the second electromagnet are supplied with opposite currents, the first electromagnet and the second electromagnet can be attracted to each other, so that the extension rod support 5020 drives the blocking piece 400 to move away from the communication groove 303, and then the blocking piece 400 can be moved to the second position. When the first electromagnet and the second electromagnet are supplied with the same current, the first electromagnet and the second electromagnet can repel each other, so that the extension rod support 5020 drives the blocking piece 400 to move towards the communication groove 303, and then the blocking piece 400 can be moved to the first position.

[0085] In yet another manner, the driving piece 510 can also be an electric cylinder or a pneumatic cylinder or a hydraulic cylinder or other telescopic driving piece.

[0086] In an optional embodiment, the blocking piece 400 can be limited and matched with the analysis module 300 in the circumferential direction of the blocking piece 400. In this way, the relative rotation between the blocking piece 400 and the analysis module 300 can be prevented, and then the deviation of the blocking piece 400 during movement can be prevented.

[0087] Of course, the blocking piece 400 can also not be limited and matched with the analysis module 300 in the circumferential direction of the blocking piece 400.

[0088] Optionally, one of the blocking piece 400 and the analysis module 300 can be provided with a limiting groove 309, and the other can be provided with a limiting protrusion 420. The limiting protrusion 420 can be embedded in the limiting groove 309, and the limiting protrusion 420 and the limiting groove 309 can be limited and matched in the circumferential direction of the blocking piece 400. In this way, compared with the way of abutting the first limiting plane and the second limiting plane, the limiting effect is better. Here, the blocking piece 400 can be provided with at least two limiting protrusions 420, and the analysis module 300 can be provided with at least two limiting grooves 309. Each limiting protrusion 420 can be distributed along the circumferential direction of the blocking piece 400, and each limiting protrusion 420 is embedded in each limiting groove 309 one by one. In this way, the limiting effect of the blocking piece 400 and the analysis module 300 can be further improved.

[0089] Of course, the side wall of the blocking piece 400 can be provided with a first limiting plane, and the analysis module 300 can be provided with a second limiting plane. The first limiting plane and the second limiting plane can abut each other to limit and match the blocking piece 400 and the analysis module 300 in the circumferential direction of the blocking piece 400.

[0090] In optional embodiments of the present application, the resolving assembly can further comprise a heating member 1100, which can be connected to the resolving module 300 for heating the sample carrier 200. In this way, the sample on the sample carrier 200 can be vaporized more quickly, and thus the sample collection amount can be effectively increased.

[0091] Here, the heating member 1100 can be a heating rod.

[0092] In other embodiments, the resolving assembly can also not comprise the heating member 1100.

[0093] In optional embodiments, the resolving assembly can further comprise a temperature detecting element 1200 and a control module. The temperature detecting element 1200 can be used for detecting the temperature of the resolving module 300, and the control module can be in communication connection with the temperature detecting element 1200 and the heating member 1100 respectively. The control module can be used for controlling the heating member 1100 according to the detection signal of the temperature detecting element 1200. In this way, the heating temperature of the heating member 1100 can be real-timely regulated to ensure that the temperature of the resolving module 300 is constant.

[0094] Of course, the resolving assembly can also not comprise the temperature detecting element 1200 and the control module.

[0095] In the present embodiment, the temperature detecting element 1200 can be a platinum resistance (PT100), the resistance of which can change according to the change of temperature, and the control module adjusts the heating member 1100 according to the resistance of the platinum resistance. Of course, the temperature detecting element 1200 can be a temperature sensor or other elements capable of detecting temperature. Here, the control module can be a control circuit.

[0096] In optional embodiments, the resolving module 300 can comprise a heating support 310 and a heat preservation member 320. The heating support 310 can be connected to the heating member 1100, and the accommodation space 301, the fluid inflow channel 302, the fluid outflow channel 304 and the communication groove 303 can all be arranged on the heating support 310. The heat preservation member 320 can be sleeved outside the heating support 310. In this way, the heating member 1100 can heat the whole heating support 310, so that the sample carrier 200 entering the accommodation space 301 and the fluid entering the fluid inflow channel 302 are both heated, and thus the sample on the sample carrier 200 can be more easily vaporized when the heated fluid flows through the sample carrier 200. At the same time, the heat preservation member 320 can play a heat preservation role for the heating support 310, so as to ensure that the temperature of the heating support 310 is not affected by the external environment, and thus the temperature of the sample carrier 200 is not affected by the external environment. Of course, the heating support 310 can also not be connected to the heating member 1100, and the heating member 1100 can also be arranged on the sealing member 400.

[0097] Here, the heating support 310 can further be provided with a through hole 308, the blocking member 400 can extend into the accommodation space 301 through the through hole 308 and be sealingly connected with the communication groove 303 or the sample carrier 200, and the blocking member 400 can be slidingly connected with the through hole 308, and the blocking member 400 can be sealingly opposite to the hole wall of the through hole 308.

[0098] In other embodiments, the resolving module 300 can also only include the heating support 310.

[0099] Optionally, the sample inlet 305 can be provided on the heat preservation member 320, and the heat preservation member 320 can further be provided with a first flared portion 3010, and the cross-sectional area of the first flared portion 3010 gradually decreases to the cross-sectional area of the sample inlet 305 in the direction from the sample inlet 305 to the accommodation space 301. In this way, the sample carrier 200 can be conveniently arranged to enter the sample inlet 305.

[0100] Further optionally, the heating support 310 can further be provided with a second flared portion 3011, and the cross-sectional area of the second flared portion 3011 gradually decreases to the cross-sectional area of the accommodation space 301 in the direction from the sample inlet 305 to the accommodation space 301, and the maximum cross-sectional area of the second flared portion 3011 is greater than the cross-sectional area of the sample inlet 305. In this way, the sample carrier 200 can be conveniently arranged to enter the accommodation space 301 from the sample inlet 305.

[0101] In the embodiment, the heating support 310 can be made of a heat-conducting material, for example, the heating support 310 can be made of metal, and optionally, the heating support 310 can be made of brass or red copper. In this way, since the brass or red copper has excellent heat-conducting performance, the heat-conducting effect of the heating support 310 can be improved, so that heat can be more conveniently transferred to the sample carrier 200, so as to facilitate the sample to be heated and vaporized. Of course, the heating support 310 can also be made of stainless steel.

[0102] Here, the heat preservation member 320 can be used to be connected with the transfer tube 100 to prevent the temperature of the resolving module 300 from affecting the temperature of the transfer tube 100. Of course, the heat preservation member 320 can also not be connected with the transfer tube 100, for example, the heating support 310 is connected with the transfer tube 100.

[0103] In the embodiment, the heat preservation member 320 can be made of Teflon material, and of course, the heat preservation member 320 can also be made of other heat preservation materials.

[0104] In the optional embodiment, as Figure 13As shown, the blocking member 400 can also be provided with a first sealing member 430 near the end of the communication groove 303. When the blocking member 400 is in the first position, the first sealing member 430 can be in sealing cooperation with the side wall of the communication groove 303 provided in the accommodation space 301. When the blocking member 400 is in the second position, the first sealing member 430 can be in sealing cooperation with the sample carrier 200. In this way, the sealing performance of the closed channel formed by the communication groove 303 and the fluid inflow channel 302 and the fluid outflow channel 304 can be improved.

[0105] Optionally, as shown in Figure 4 and Figure 5 The analysis module 300 can also include a migration tube inlet support 330, which can be connected to the heat preservation member 320. The migration tube inlet support 330 can be provided with a connection channel 307, and the fluid outflow channel 304 can communicate with the migration tube 100 through the connection channel 307. In addition, the heat preservation member 320 can be provided with a transition channel 306, and the fluid outflow channel 304 can communicate with the connection channel 307 through the transition channel 306, so as to facilitate the sample to enter the connection channel 307.

[0106] Further optionally, in order to ensure the sealing performance of the transition channel 306 connected to the fluid outflow channel 304 and the sealing performance of the transition channel 306 and the connection channel 307, a second sealing member 360 can be arranged between the heating support 310 and the heat preservation member 320. The second sealing member 360 is arranged around the fluid outflow channel 304, and the second sealing member 360 is arranged on the side of the heating support 310 close to the migration tube inlet support 330. The second sealing member 360 is in sealing cooperation with the heat preservation member 320. The migration tube inlet support 330 is provided with a third sealing member 370 on the side close to the heat preservation member 320. The third sealing member 370 is arranged around the connection channel 307, and the third sealing member 370 is in sealing cooperation with the heat preservation member 320.

[0107] Here, the first sealing member 430, the second sealing member 360 and the third sealing member 370 can all be fluororubber rings. In this way, the first sealing member 430, the second sealing member 360 and the third sealing member 370 can stably play a sealing role at high temperatures, ensuring the sealing performance. The fluororubber ring can maintain stable chemical properties in a harsh chemical environment and is not easy to be corroded or chemically reacted, thereby reliably achieving the sealing performance.

[0108] In some embodiments, as shown in Figure 5 and Figure 9As shown, a third flared opening 3012 can be provided at the inlet of the fluid inflow channel 302, the inlet of the outflow channel 304, the inlet of the transition channel 306, and the inlet of the connecting channel 307. The cross-sectional area of ​​the third flared opening 3012 at the inlet of the fluid inflow channel 302 gradually decreases to the cross-sectional area of ​​the fluid inflow channel 302 along the flow direction of the sampling fluid. The cross-sectional area of ​​the third flared opening 3012 at the inlet of the outflow channel 304 gradually decreases to the cross-sectional area of ​​the outflow channel 304 along the flow direction of the sampling fluid. The transition channel 30... The cross-sectional area of ​​the third flared opening 3012 at the inlet of channel 6 gradually decreases along the flow direction of the sampling fluid to the cross-sectional area of ​​the transition channel 306. Similarly, the cross-sectional area of ​​the third flared opening 3012 at the inlet of connecting channel 307 gradually decreases along the flow direction of the sampling fluid to the cross-sectional area of ​​the connecting channel 307. Furthermore, the maximum cross-sectional area of ​​the third flared opening 3012 at the inlet of transition channel 306 is greater than the cross-sectional area of ​​the outflow channel 304, and the maximum cross-sectional area of ​​the third flared opening 3012 at the inlet of connecting channel 307 is greater than the cross-sectional area of ​​the transition channel 306. This configuration effectively reduces eddies and energy loss generated during the flow of the sampling fluid, ensuring smooth flow of the sampling fluid.

[0109] A fourth flare 3013 can be provided at the outlet of the fluid inflow channel 302 and the outlet of the connecting channel 307. The cross-sectional area of ​​each fourth flare 3013 gradually increases along the flow direction of the sampling fluid. This arrangement helps to reduce the flow velocity and impact force of the sampling fluid, thereby preventing damage to the sample carrier 200 and the migration tube 100 due to excessive flow velocity of the sampling fluid.

[0110] In an optional embodiment, the connecting groove 303 may be disposed on the first inner wall surface 311 of the parsing module 300. Here, the first inner wall surface 311 may be the wall surface of the accommodating space 301 near the outflow channel 304.

[0111] Among them, such as Figure 4 and Figure 5 As shown, the sample inlet 305 can be vertically positioned within the analytical module 300, and the first inner wall surface 311 can also be vertically positioned. This allows the sample carrier 200 to be vertically inserted into the receiving space 301 for vertical sampling. Here, the sealing member 400 can be horizontally positioned to seal the opening of the connecting groove 303. In this embodiment, both the outflow channel 304 and the aforementioned transition channel 306 are horizontally positioned to facilitate a horizontal connection between the migration tube 100 and the analytical module 300.

[0112] Or, such as Figure 8 and Figure 9As shown, the sample inlet 305 can also be horizontally arranged in the resolving module 300, and the first inner wall surface 311 can also be horizontally arranged, so that the sample carrier 200 can be horizontally inserted into the accommodating space 301 to realize horizontal sampling. Here, the blocking member 400 can be vertically arranged to block the slot of the communication groove 303. In the embodiment, the transition passage 306 described above can include a first passage 3061 and a second passage 3062, the communication groove 303, the outflow passage 304, the first passage 3061, the second passage 3062 and the migration tube 100 are sequentially communicated, and the outflow passage 304 can be vertically arranged, the first passage 3061 is vertically arranged, and the second passage 3062 is horizontally arranged. By such arrangement, on the one hand, the outflow passage 304 is facilitated to be formed and communicated with the transition passage 306, and on the other hand, the migration tube 100 is facilitated to be horizontally connected with the resolving module 300.

[0113] Of course, the sample inlet 305 can also be obliquely arranged in the resolving module 300, and the first inner wall surface 311 can also be obliquely arranged. Here, the arrangement direction of the sample inlet 305 and the first inner wall surface 311 is not limited, and can be arranged as needed, without being limited to that the sample carrier 200 is vertically arranged, horizontally placed or obliquely arranged.

[0114] Optionally, the heat preservation member 320 includes a first part 321 surrounding the heating support 310 and a second part 322 connected with the migration tube inlet support 330, and the sample inlet 305 is arranged on the first part 321, as shown in Figure 14 As shown, when the sample inlet 305 is vertically arranged in the resolving module 300, the first part 321 can be arranged in parallel with the second part 322; as shown in Figure 8 As shown, when the sample inlet 305 is horizontally arranged in the resolving module 300, the first part 321 can be arranged perpendicularly to the second part 322. By such arrangement, the heat preservation member 320 can adapt to the arrangement direction of the migration tube inlet support 330, so as not to change the connection direction and position of the migration tube inlet support 330 and the heat preservation member 320, thereby not changing the connection direction of the migration tube 100.

[0115] In the embodiments of the present application, when sample collection is performed, the sample carrier 200 is inserted at the sample inlet 305, at which time the photoelectric switch detects the sample carrier 200, and then controls the driving member 510 to start and drive the blocking member 400 to move to the third position, so that the blocking member 400 can exceed the second position to leave more space for the sample carrier 200, thereby facilitating the sample carrier 200 to enter the accommodation space 301. Then the driving member 510 can also drive the blocking member 400 to approach the communication groove 303, so that the blocking member 400 moves to the second position and clamps the sample carrier 200 between the blocking member 400 and the communication groove 303. At this time, the sampling fluid blown by the fluid driving member 700 can flow into the heating support 310, and drive the gasified sample molecules on the sample carrier 200 to enter the migration tube 100 through the outflow channel 304 for analysis.

[0116] Based on the resolving assembly provided in the embodiments of the present application, the embodiments of the present application further provide a detection device. The detection device can include the migration tube 100 and the resolving assembly described in any of the above embodiments. The migration tube 100 can be connected to the resolving module 300 of the resolving assembly and communicate with the outflow channel 304 of the resolving module 300.

[0117] The beneficial effects achieved by the detection device provided in the embodiments of the present application are consistent with the beneficial effects achieved by the resolving assembly provided in the embodiments of the present application, and will not be repeated here.

[0118] The embodiments of the present application are described above in combination with the accompanying drawings, but the present application is not limited to the above specific embodiments. The above specific embodiments are only illustrative, but not restrictive. Those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims, which are all within the protection of the present application.

Claims

1. A parsing component, comprising: The analytical assembly comprises: an analytical module (300) provided with a containing space (301) for containing a sample carrier (200) carrying a sample, a fluid inflow channel (302) for inflow of a sampling fluid, an outflow channel (304) and a communication groove (303) for communication between the fluid inflow channel (302) and the outflow channel (304), the analytical module (300) being configured to be connected to a migration tube (100) and the outflow channel (304) being configured to communicate with the migration tube (100); a blocking member (400) movably arranged in the analytical module (300), the blocking member (400) being movable between a first position and a second position, the blocking member (400) being sealingly connected to the communication groove (303) when the blocking member (400) is in the first position, and the blocking member (400) being in the second position when the containing space (301) contains the sample carrier (200), and at least part of the sample carrier (200) being sealingly connected to the blocking member (400) and the communication groove (303), respectively.

2. The resolving assembly of claim 1, wherein, The analytical assembly further comprises: a connecting pipeline (600) having an inlet configured to communicate with a fluid outlet of the migration tube (100) and an outlet configured to communicate with the fluid inflow channel (302); a fluid driving member (700) arranged in the connecting pipeline (600), the fluid driving member (700) being configured to drive the sampling fluid to flow in a direction from the fluid outlet to the fluid inflow channel (302).

3. The resolving assembly of claim 2, wherein, The analytical assembly further comprises a filtering member (800) arranged in the connecting pipeline (600), the filtering member (800) being configured to filter the sampling fluid.

4. The resolving assembly of claim 1, wherein, The blocking member (400) is provided with a recess (410) near an end of the communication groove (303), the recess (410) being in communication with the communication groove (303) when the blocking member (400) is in the first position, and the recess (410) being sealingly connected to the sample carrier (200) when the blocking member (400) is in the second position; and / or, the blocking member (400) is limitedly fitted with the analytical module (300) in a circumferential direction of the blocking member (400). And / or, the resolving assembly further comprises a heating member (1100), the resolving module (300) comprises a heating support member (310) and a heat preservation member (320), the heating support member (310) is connected with the heating member (1100), the containing space (301), the fluid inflow channel (302), the outflow channel (304) and the communication groove (303) are all arranged on the heating support member (310), and the heat preservation member (320) is arranged outside the heating support member (310) and is used for being connected with the migration tube (100).

5. The resolving assembly of claim 1, wherein, The resolving assembly further comprises a driving assembly (500), the driving assembly (500) is connected with the blocking member (400) and is used for driving the blocking member (400) to move.

6. The resolving assembly of claim 5, wherein, The resolving module (300) is further provided with a sample inlet (305), the sample inlet (305) is communicated with the containing space (301); The resolving assembly further comprises a carrier detection element (900), the carrier detection element (900) is used for detecting whether the sample carrier (200) extends into the sample inlet (305), the carrier detection element (900) is in communication connection with the driving assembly (500), and the driving assembly (500) drives the blocking member (400) to move to a third position in the case that the carrier detection element (900) detects that the sample carrier (200) extends into the sample inlet (305), the third position is located on the side, away from the first position, of the second position; And / or, the resolving assembly further comprises a limiting element (1000), the limiting element (1000) is in communication connection with the driving assembly (500), and the blocking member (400) triggers the limiting element (1000) in the case that the blocking member (400) is located at the second position, so that the limiting element (1000) controls the driving assembly (500) to stop.

7. The resolving assembly of claim 6, wherein, The communication groove (303) is arranged on a first inner wall surface (311) of the resolving module (300); The sample inlet (305) is vertically arranged on the resolving module (300), and the first inner wall surface (311) is vertically arranged; or the sample inlet (305) is horizontally arranged on the resolving module (300), and the first inner wall surface (311) is horizontally arranged.

8. The resolving assembly of claim 5, wherein, The driving assembly (500) comprises a driving member (510) and an elastic member (520), the blocking member (400) is connected with the driving member (510) through the elastic member (520), and the elastic member (520) is used for driving the blocking member (400) to be in sealed connection with the communication groove (303) or driving the blocking member (400) to push the sample carrier (200) to be in sealed connection with the communication groove (303).

9. The resolving assembly of claim 8, wherein, The driving assembly (500) further comprises: A first adapter (530) connected with the driving member (510); A second adapter (540) is connected with the blocking member (400), and the second adapter (540) is slidably connected with the first adapter (530) through a connecting rod (550), and a sliding direction of the second adapter (540) is parallel to a direction from the first position to the second position. The elastic member (520) is sleeved outside the connecting rod (550), and two ends of the elastic member (520) are connected with the first adapter (530) and the second adapter (540) respectively.

10. A detection device, characterized in that The analytical assembly comprises a migration tube (100) and the analytical assembly of any one of claims 1-9, the migration tube (100) being connected with an analytical module (300) of the analytical assembly and communicating with an outflow channel (304) of the analytical module (300).

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