Vacuum adsorption pipeline and detection device

Abstract

The utility model provides a vacuum adsorption pipeline which comprises a first adsorption pipeline which comprises a first vacuum source, a first communicating valve assembly and a first vacuum output end which are sequentially arranged in a communicating mode. The second adsorption pipeline comprises a second vacuum source, a second communication valve assembly and a second vacuum output end which are sequentially communicated and arranged; the first communicating valve assembly is communicated with the second communicating valve assembly; wherein the first communicating valve assembly is further communicated with the atmospheric environment, and the first communicating valve assembly is used for controlling communication among the first vacuum output end, the first vacuum source, the atmospheric environment and the second communicating valve assembly; the second communication valve assembly is further communicated with the atmospheric environment and used for controlling communication among the second vacuum output end, the second vacuum source, the atmospheric environment and the first communication valve assembly. The utility model further provides a detection device comprising the vacuum adsorption pipeline.

Description

TECHNICAL FIELD

[0001] The present application relates to a vacuum suction pipeline and a detection device comprising the same. BACKGROUND

[0002] In medical instruments or biochemical detection instruments, it is usually necessary to apply vacuum suction to the surface of a specific structure to ensure the flatness of the surface so as to facilitate stable focusing scanning of an optical system. For example, a flow cell structure loaded with a DNA sample to be detected in a gene sequencer. On the one hand, since the detection instrument usually supports flow cells of different sizes, two vacuum suction pipelines need to be provided to correspond to the suction of flow cells of different sizes. On the other hand, since the element for providing vacuum suction is usually a vacuum pump, the vacuum pump is a vulnerable device, and therefore a standby vacuum pump and a corresponding vacuum suction pipeline need to be provided to improve reliability. If the size compatibility and reliability of vacuum suction are considered at the same time, the number of vacuum suction pipelines will increase, resulting in increased cost. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a vacuum suction pipeline, comprising:

[0004] a first suction pipeline comprising a first vacuum source, a first communication valve assembly and a first vacuum output end arranged in sequence in communication; and

[0005] a second suction pipeline comprising a second vacuum source, a second communication valve assembly and a second vacuum output end arranged in sequence in communication; the first communication valve assembly and the second communication valve assembly are in communication;

[0006] The first vacuum source and the second vacuum source are used to provide vacuum negative pressure; the first communication valve assembly is also in communication with the atmospheric environment, and the first communication valve assembly is used to control the communication between the first vacuum output end and the first vacuum source, the atmospheric environment and the second communication valve assembly; the second communication valve assembly is also in communication with the atmospheric environment, and the second communication valve assembly is used to control the communication between the second vacuum output end and the second vacuum source, the atmospheric environment and the first communication valve assembly; the first vacuum output end and the second vacuum output end are used to be connected to the device to be suctioned respectively.

[0007] The vacuum adsorption pipeline provided by the embodiments of the present application is connected with each other by the first communication valve assembly and the second communication valve assembly, so that the first adsorption pipeline and the second adsorption pipeline can be connected with each other. The first vacuum source can simultaneously perform vacuumizing on the first vacuum output end and the second vacuum output end by controlling the first communication valve assembly to connect the first vacuum output end, the first vacuum source and the second communication valve assembly, and the second communication valve assembly to connect the second vacuum output end and the first communication valve assembly. The first vacuum source can perform vacuumizing on the first vacuum output end and the second vacuum output end respectively or simultaneously by controlling the on-off connection between the first communication valve assembly and the first vacuum output end and the on-off connection between the second communication valve assembly and the second vacuum output end. That is, the vacuum adsorption pipeline can simultaneously or respectively perform vacuumizing on the two vacuum output ends by using one vacuum source. The second vacuum source can also achieve the same effect as the first vacuum source. The second vacuum source can be used as a backup vacuum source of the first vacuum source by being arranged, so as to improve the stability of the vacuum adsorption pipeline. Therefore, the vacuum adsorption pipeline provided by the embodiments of the present application can improve the reliability while being applied to detection instruments and can be adapted to adsorb flow cells of different sizes.

[0008] In an embodiment, the first adsorption pipeline further comprises a first check element arranged between the first vacuum source and the first communication valve assembly, so as to realize one-way conduction between the first vacuum source and the first communication valve assembly; and the second adsorption pipeline further comprises a second check element arranged between the second vacuum source and the second communication valve assembly, so as to realize one-way conduction between the second vacuum source and the second communication valve assembly.

[0009] The vacuum adsorption pipeline provided by the embodiments of the present application is connected with each other by the first communication valve assembly and the second communication valve assembly, so that the first adsorption pipeline and the second adsorption pipeline can be connected with each other. The first vacuum source can simultaneously perform vacuumizing on the first vacuum output end and the second vacuum output end by controlling the first communication valve assembly to connect the first vacuum output end, the first vacuum source and the second communication valve assembly, and the second communication valve assembly to connect the second vacuum output end and the first communication valve assembly. The first vacuum source can perform vacuumizing on the first vacuum output end and the second vacuum output end respectively or simultaneously by controlling the on-off connection between the first communication valve assembly and the first vacuum output end and the on-off connection between the second communication valve assembly and the second vacuum output end. That is, the vacuum adsorption pipeline can simultaneously or respectively perform vacuumizing on the two vacuum output ends by using one vacuum source. The second vacuum source can also achieve the same effect as the first vacuum source. The second vacuum source can be used as a backup vacuum source of the first vacuum source by being arranged, so as to improve the stability of the vacuum adsorption pipeline. Therefore, the vacuum adsorption pipeline provided by the embodiments of the present application can improve the reliability while being applied to detection instruments and can be adapted to adsorb flow cells of different sizes.

[0010] In an embodiment, the first communication valve assembly comprises a first four-way valve connected with the first vacuum source, the second communication valve assembly, the atmospheric environment and the first vacuum output end respectively.

[0011] In an embodiment, the second communication valve assembly comprises a second four-way valve connected with the second vacuum source, the first communication valve assembly, the atmospheric environment and the second vacuum output end respectively.

[0012] In one embodiment, the first connecting valve assembly includes a first transmission element and a first three-way valve. The first transmission element is connected to the first vacuum source, the second connecting valve assembly, and the first three-way valve. The first three-way valve is also connected to the atmospheric environment and the first vacuum output terminal. The first three-way valve is used to control the connection between the first vacuum output terminal and the atmospheric environment or the first transmission element.

[0013] In one embodiment, the second connecting valve assembly includes a second transmission element and a second three-way valve. The second transmission element is connected to the second vacuum source, the first connecting valve assembly, and the second three-way valve. The second three-way valve is also connected to the atmospheric environment and the second vacuum output terminal. The second three-way valve is used to control the connection between the second vacuum output terminal and the atmospheric environment or the second transmission element.

[0014] In one embodiment, the first adsorption pipeline further includes a first pressure sensor, which is disposed between the first vacuum output terminal and the first connecting valve assembly, for sensing the gas pressure in the first adsorption pipeline; the second adsorption pipeline further includes a second pressure sensor, which is disposed between the second vacuum output terminal and the second connecting valve assembly, for sensing the gas pressure in the second adsorption pipeline.

[0015] The vacuum adsorption pipeline provided in this application embodiment can detect the gas pressure in the first adsorption pipeline and the second adsorption pipeline by setting a first pressure sensor and a second pressure sensor, thereby determining whether the first vacuum source or the second vacuum source is working properly, so as to switch in time when the first vacuum source or the second vacuum source is damaged, thereby ensuring the reliability of the vacuum adsorption pipeline.

[0016] In one embodiment, the first adsorption pipeline further includes a first silencing element disposed on the first vacuum source; the second adsorption pipeline further includes a second silencing element disposed on the second vacuum source.

[0017] In one embodiment, the first adsorption pipeline further includes a first filter element disposed between the first vacuum output end and the first connecting valve assembly, for filtering gas entering the first adsorption pipeline from the first vacuum output end; the second adsorption pipeline further includes a second filter element disposed between the second vacuum output end and the second connecting valve assembly, for filtering gas entering the second adsorption pipeline from the second vacuum output end.

[0018] Another aspect of this application provides a detection device, comprising:

[0019] The aforementioned vacuum adsorption pipeline; and

[0020] An adsorption platform is provided with a first adsorption tank and at least one second adsorption tank, the second adsorption tank being disposed around the first adsorption tank; the first adsorption tank is connected to a first vacuum output end through a first gas passage on the adsorption platform; the second adsorption tank is connected to a second vacuum output end through a second gas passage on the adsorption platform.

[0021] The detection device provided in this application embodiment, by setting up the vacuum adsorption pipeline as in the above embodiment, and by setting a first vacuum output end connected to a first adsorption tank on the adsorption platform, and a second vacuum output end connected to a second adsorption tank on the adsorption platform, allows the adsorption platform to adsorb small-sized flow cells through the first adsorption tank, and to adsorb large-sized flow cells through the combined adsorption of the first and second adsorption tanks. Furthermore, the adsorption of the first and second adsorption tanks can be activated separately or simultaneously using a single first vacuum source, thereby adapting to flow cells of different sizes. By setting two vacuum sources, one of which can serve as a backup, the adsorption effect on the flow cells during operation is ensured, thereby improving the stability of the detection device. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the vacuum adsorption pipeline in an embodiment of this application.

[0023] Figure 2 This is a schematic diagram of the structure of a vacuum adsorption pipeline in one embodiment of this application.

[0024] Figure 3 This is a schematic diagram of the vacuum adsorption pipeline in another embodiment of this application.

[0025] Figure 4 This is a schematic diagram of the vacuum adsorption pipeline in another embodiment of this application.

[0026] Figure 5 This is a schematic diagram of the detection device in the first state in the embodiments of this application.

[0027] Figure 6 This is a schematic diagram of the detection device in the second state in the embodiments of this application.

[0028] Explanation of main component symbols

[0029] Vacuum adsorption pipeline: 100

[0030] First adsorption line: 10

[0031] First vacuum source: 11

[0032] First silencing element: 12

[0033] First check valve element: 13

[0034] First connecting valve assembly: 15

[0035] First transmission element: 151

[0036] First three-way valve: 153

[0037] First four-way valve: 155

[0038] First pressure sensor: 17

[0039] First filter element: 18

[0040] First vacuum output terminal: 19

[0041] Second adsorption line: 30

[0042] Second vacuum source: 31

[0043] Second noise-absorbing element: 32

[0044] Second check element: 33

[0045] Second connecting valve assembly: 35

[0046] Second transmission element: 351

[0047] Second three-way valve: 353

[0048] Second four-way valve: 355

[0049] Second pressure sensor: 37

[0050] Second filter element: 38

[0051] Second vacuum output terminal: 39

[0052] Detection device: 200

[0053] Adsorption platform: 210

[0054] First adsorption tank: 211

[0055] First adsorption pore: 212

[0056] First air passage: 213

[0057] Second adsorption tank: 215

[0058] Second adsorption pore: 216

[0059] Second gas passage: 217

[0060] Flow cells: 230a, 230b

[0061] Atmospheric environment: E.

[0062] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this application. Detailed Implementation

[0063] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0064] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application's specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0065] To further illustrate the technical means and effects adopted by this application in achieving its intended purpose, the following detailed description of this application is provided in conjunction with the accompanying drawings and preferred embodiments.

[0066] Please see Figure 1 The vacuum adsorption pipeline 100 provided in this application embodiment includes a first adsorption pipeline 10 and a second adsorption pipeline 30. The first adsorption pipeline 10 includes a first vacuum source 11, a first connecting valve assembly 15, and a first vacuum output terminal 19 arranged in sequence. The second adsorption pipeline 30 includes a second vacuum source 31, a second connecting valve assembly 35, and a second vacuum output terminal 39 arranged in sequence. The first connecting valve assembly 15 is also connected to the atmospheric environment E and the second connecting valve assembly 35. The second connecting valve assembly 35 is also connected to the atmospheric environment E. The first connecting valve assembly 15 controls the connection between the first vacuum output terminal 19 and the first vacuum source 11, the atmospheric environment E, and the second connecting valve assembly 35. The second connecting valve assembly 35 controls the connection between the second vacuum output terminal 39 and the second vacuum source 31, the atmospheric environment E, and the first connecting valve assembly 15. The atmospheric environment E is the environment in which the vacuum adsorption pipeline 100 is located. The atmospheric environment E provides the atmospheric pressure of the environment to the vacuum adsorption pipeline 100 to balance the atmospheric pressure inside and outside the vacuum adsorption pipeline 100.

[0067] Optionally, the first adsorption line 10 further includes a first check element 13 and a first pressure sensor 17. The first check element 13 is disposed between the first vacuum source 11 and the first connecting valve assembly 15 to achieve unidirectional flow between the first vacuum source 11 and the first connecting valve assembly 15. The first pressure sensor 17 is disposed between the first connecting valve assembly 15 and the first vacuum output terminal 19 to sense the gas pressure at the first vacuum output terminal 19. The second adsorption line 30 further includes a second check element 33 and a second pressure sensor 37. The second check element 33 is disposed between the second vacuum source 31 and the second connecting valve assembly 35 to achieve unidirectional flow between the second vacuum source 31 and the second connecting valve assembly 35. The second pressure sensor 37 is disposed between the second connecting valve assembly 35 and the second vacuum output terminal 39 to sense the gas pressure at the second vacuum output terminal 39.

[0068] The vacuum adsorption pipeline 100 provided in this application embodiment allows communication between the first adsorption pipeline 10 and the second adsorption pipeline 30 by setting a first connecting valve assembly 15 and a second connecting valve assembly 35. By controlling the opening and closing of different channels corresponding to the first connecting valve assembly 15 and the second connecting valve assembly 35, different adsorption effects can be achieved. For example, the first vacuum source 11 can be set to be simultaneously connected to the first vacuum output terminal 19 and the second vacuum output terminal 39, thereby simultaneously drawing a vacuum from the first vacuum output terminal 19 and the second vacuum output terminal 39. Alternatively, the first vacuum source 11 can be set to be connected to either the first vacuum output terminal 19 or the second vacuum output terminal 39, thereby drawing a vacuum from either the first vacuum output terminal 19 or the second vacuum output terminal 39 respectively. The second vacuum source 31 has the same effect as the first vacuum source 11, so the second vacuum source 31 can be started simultaneously with the first vacuum source 11, thereby enhancing the vacuum drawing effect of the vacuum adsorption pipeline 100. It can also serve as a backup for the first vacuum source 11, activating when the first vacuum source 11 is damaged, thereby improving the stability of the vacuum adsorption pipeline 100.

[0069] Specifically, the first vacuum source 11 and the second vacuum source 31 are devices that continuously provide near-vacuum negative pressure, such as vacuum pumps, air compressors, diaphragm pumps, etc. The first vacuum source 11 and the second vacuum source 31 are used to provide negative pressure, so that the first vacuum output terminal 19 or the second vacuum output terminal 39 connected to the first vacuum source 11 or the second vacuum source 31 can provide negative pressure, thereby providing a vacuum adsorption function for the device connected to the first vacuum output terminal 19 or the second vacuum output terminal 39.

[0070] The first check element 13 allows gas to flow from the first connecting valve assembly 15 to the first vacuum source 11 and prevents gas from flowing from the first vacuum source 11 to the first connecting valve assembly 15. Specifically, when the first vacuum source 11 is working, it provides a near-vacuum negative pressure, and gas flows to the first vacuum source 11 through the first connecting valve assembly 15. When the first vacuum source 11 is not working, it is connected to the atmosphere, and the first check element 13 can prevent gas from flowing from the first vacuum source 11 to the first connecting valve assembly 15, thereby preventing gas backflow. Furthermore, when the second vacuum source 31 is working, the first vacuum source 11 is not working, and the first connecting valve assembly 15 and the second connecting valve assembly 35 are in a connected state, the first check element 13 can also prevent the negative pressure generated by the second vacuum source 31 from being diverted by the first vacuum source 11 connected to the atmosphere, thereby ensuring that the negative pressure generated by the second vacuum source 31 acts entirely on the first vacuum output terminal 19 and the second vacuum output terminal 39.

[0071] The second check element 33 allows gas to flow from the second connecting valve assembly 35 to the second vacuum source 31 and prevents gas from flowing from the second vacuum source 31 to the second connecting valve assembly 35. Specifically, when the second vacuum source 31 is working, it provides a near-vacuum negative pressure, and gas flows to the second vacuum source 31 through the second connecting valve assembly 35. When the second vacuum source 31 is not working, it is connected to the atmosphere, and the second check element 33 can prevent gas from flowing from the second vacuum source 31 to the second connecting valve assembly 35, thereby preventing gas backflow. Furthermore, when the first vacuum source 11 is working, the second vacuum source 31 is not working, and the first connecting valve assembly 15 and the second connecting valve assembly 35 are in a connected state, the second check element 33 can also prevent the negative pressure generated by the first vacuum source 11 from being diverted by the second vacuum source 31 connected to the atmosphere, thereby ensuring that the negative pressure generated by the first vacuum source 11 acts entirely on the first vacuum output terminal 19 and the second vacuum output terminal 39.

[0072] In other embodiments, the first connecting valve assembly 15 can also directly control the connection and disconnection with the first vacuum source 11 via a valve, and the second connecting valve assembly 35 can also directly control the connection and disconnection with the second vacuum source 31 via a valve. This application does not impose any limitations on this.

[0073] Please see Figure 2In some embodiments, the first connecting valve assembly 15 includes a first transmission element 151 and a first three-way valve 153. The first transmission element 151 is connected to the first vacuum source 11, the second connecting valve assembly 35, and the first three-way valve 153. The first three-way valve 153 is also connected to the atmospheric environment E and the first vacuum output terminal 19. Specifically, the first transmission element 151 is a three-way pipe connector, and the first vacuum source 11, the second connecting valve assembly 35, and the first three-way valve 153 connected to the first transmission element 151 are interconnected. The first three-way valve 153 is a three-way pipe with a valve, and the opening and closing of each passage can be controlled by the valve. That is, the connection and closing between the first transmission element 151, the second connecting valve assembly 35, and the first vacuum output terminal 19 connected to the first three-way valve 153 can be controlled by the first three-way valve 153. By controlling the opening and closing of different passages on the first three-way valve 153, the first vacuum output terminal 19 can be connected to the atmospheric environment E or the first transmission element 151.

[0074] In some embodiments, the second connecting valve assembly 35 includes a second transmission element 351 and a second three-way valve 353. The second transmission element 351 is connected to the second vacuum source 31, the first connecting valve assembly 15, and the second three-way valve 353. The second three-way valve 353 is also connected to the atmospheric environment E and the second vacuum output terminal 39. Specifically, the second transmission element 351 is a three-way connector, and the second vacuum source 31, the first connecting valve assembly 15, and the second three-way valve 353 connected to the second transmission element 351 are interconnected. The second three-way valve 353 is a three-way pipe with a valve, and the opening and closing of each passage can be controlled by the valve. That is, the on / off connection between the second transmission element 351, the first connecting valve assembly 15, and the second vacuum output terminal 39 connected to the second three-way valve 353 can be controlled by the second three-way valve 353. By controlling the on / off connection of different passages on the second three-way valve 353, the second vacuum output terminal 39 can be connected to the atmospheric environment E or the second transmission element 351.

[0075] The first pressure sensor 17 and the second pressure sensor 37 can be pressure gauges or other instruments used to detect air pressure in a pipeline. The first pressure sensor 17 is used to detect the air pressure at the first vacuum output terminal 19, and the second pressure sensor 37 is used to detect the air pressure at the second vacuum output terminal 39. Specifically, the air pressure at the first vacuum output terminal 19 is the air pressure in the entire pipeline connected to the first vacuum output terminal 19. For example, when the first vacuum output terminal 19 is connected to the first vacuum source 11 through the first connecting valve assembly 15, the first pressure sensor 17 can be used to detect the magnitude of the negative pressure generated by the first vacuum source 11, thereby judging the operating status of the first vacuum source 11 based on the air pressure reading. Similarly, the second pressure sensor 37 can detect the air pressure in the entire pipeline connected to the second vacuum output terminal 39. Therefore, by setting the first pressure sensor 17 and the second pressure sensor 37, the operating status of the first vacuum source 11 or the second vacuum source 31 can be detected when the vacuum adsorption pipeline 100 is operating, and the backup vacuum source can be started and switched in a timely manner when the detected air pressure reading is abnormal.

[0076] In some embodiments, when the first vacuum source 11 or the second vacuum source 31 is operating normally, the reading of the first pressure sensor 17 or the pressure sensor 37, which is under negative pressure, is close to a vacuum, such as -90 kPa. When the first vacuum output terminal 19 is connected to the atmospheric environment E, the pressure displayed by the first pressure sensor 17 is 0 kPa. The threshold for determining whether the first vacuum source 11 or the second vacuum source 31 is malfunctioning can be set to -60 kPa. That is, under negative pressure, if the reading of the first pressure sensor 17 or the second pressure sensor 37 is in the range of -60 kPa to 0 kPa, then the first vacuum source 11 or the second vacuum source 31 that is currently operating is considered to be malfunctioning.

[0077] The first vacuum output terminal 19 and the second vacuum output terminal 39 are specifically ports of a pipeline. The first vacuum output terminal 19 and the second vacuum output terminal 39 are used to connect to the device to be adsorbed, thereby providing vacuum adsorption capability to the device. The first vacuum output terminal 19 and the second vacuum output terminal 39 can be threaded interfaces or interfaces with other connection structures, and this application does not limit them.

[0078] The vacuum adsorption pipeline 100 provided in this embodiment of the application, by setting a first connecting valve assembly 15 including a first transmission element 151 and a first three-way valve 153, and a second connecting valve assembly 35 including a second transmission element 351 and a second three-way valve 353, allows the first adsorption pipeline 10 and the second adsorption pipeline 30 to be interconnected through the first transmission element 151 and the second transmission element 351. The first vacuum output terminal 19 can be connected to the atmospheric environment E, or to the first vacuum source 11 and the second vacuum source 31, through the first three-way valve 153. The second vacuum output terminal 39 can be connected to the atmospheric environment E, or to the first vacuum source 11 and the second vacuum source 31, through the second three-way valve 353. Taking the first vacuum source 11 as an example when it is started alone, the vacuum adsorption pipeline 100 can achieve the following connection effect by controlling the valves of the first three-way valve 153 and the second three-way valve 353:

[0079] When the first three-way valve 153 is configured to connect the first vacuum output terminal 19 to the first transmission element 151, and the second three-way valve 353 is configured to connect the second vacuum output terminal 39 to the second transmission element 351, the first vacuum source 11 can simultaneously provide vacuum negative pressure to both the first vacuum output terminal 19 and the second vacuum output terminal 39. The first vacuum source 11 and the second vacuum source 31 can be isolated by the second check element 33, thus preventing the first vacuum source 11 from connecting to the atmospheric environment E when the second vacuum source 31 is not operating. Both the first pressure sensor 17 and the second pressure sensor 37 can sense the magnitude of the negative pressure provided by the first vacuum source 11, thereby activating the second vacuum source 31 when the air pressure fails to reach a preset value, thus ensuring the adsorption effect of the vacuum adsorption pipeline 100.

[0080] When the first three-way valve 153 is configured to connect the first vacuum output terminal 19 to the first transmission element 151, and the second three-way valve 353 is configured to connect the second vacuum output terminal 39 to the atmospheric environment E, the first vacuum source 11 can provide vacuum negative pressure only to the first vacuum output terminal 19. The first vacuum source 11 and the second vacuum source 31 are isolated by the second check element 33, and the first vacuum source 11 and the second vacuum output terminal 39 are isolated by the second three-way valve 353. At this time, the first pressure sensor 17 can sense the magnitude of the negative pressure provided by the first vacuum source 11, thereby activating the second vacuum source 31 when the air pressure cannot reach the preset value, ensuring the adsorption effect of the vacuum adsorption pipeline 100.

[0081] When the first three-way valve 153 is configured to connect the first vacuum output terminal 19 to the atmospheric environment E, and the second three-way valve 353 is configured to connect the second vacuum output terminal 39 to the second transmission element 351, the first vacuum source 11 can provide vacuum negative pressure only to the second vacuum output terminal 39. The first vacuum source 11 and the second vacuum source 31 are isolated by the second check element 33, and the first vacuum source 11 and the first vacuum output terminal 19 are isolated by the first three-way valve 153. At this time, the second pressure sensor 37 can sense the magnitude of the negative pressure provided by the first vacuum source 11, thereby activating the second vacuum source 31 when the air pressure cannot reach the preset value, ensuring the adsorption effect of the vacuum adsorption pipeline 100.

[0082] The above-mentioned effects are achieved by controlling the first three-way valve 153 and the second three-way valve 353, allowing the vacuum adsorption pipeline 100 to provide negative pressure to the first vacuum output terminal 19 and the second vacuum output terminal 39 simultaneously or separately using a single vacuum source. This allows the vacuum adsorption pipeline 100 to be adapted to flow cells of different sizes when used in testing instruments. Furthermore, by setting up the first vacuum source 11 and the second vacuum source 31, one vacuum source can be used as a backup to ensure the stability of the vacuum adsorption pipeline 100, or both can be activated simultaneously to increase the adsorption intensity. Moreover, no additional piping is required, which helps reduce production costs.

[0083] Please see Figure 3 In another embodiment, the first connecting valve assembly 15 includes a first four-way valve 155, and the second connecting valve assembly 35 includes a second four-way valve 355. The first four-way valve 155 is connected to the first vacuum source 11, the second four-way valve 355, the atmospheric environment E, and the first vacuum output terminal 19. The second four-way valve 355 is connected to the second vacuum source 31, the first connecting valve assembly 15, the atmospheric environment E, and the second vacuum output terminal 39. Specifically, the first four-way valve 155 controls the connection between the first vacuum output terminal 19 and the first vacuum source 11, the second four-way valve 355, and the atmospheric environment E, and the second four-way valve 355 controls the connection between the second vacuum output terminal 39 and the second vacuum source 31, the first four-way valve 155, and the atmospheric environment E.

[0084] By controlling the opening and closing of each passage of the first four-way valve 155 and the opening and closing of each passage of the second four-way valve 355, the vacuum adsorption pipeline 100 of this embodiment can achieve the following effects: the first vacuum source 11 provides negative pressure to the first vacuum output terminal 19 and the second vacuum output terminal 39 simultaneously or separately; the second vacuum source 31 provides negative pressure to the first vacuum output terminal 19 and the second vacuum output terminal 39 simultaneously or separately; or the first vacuum source 11 provides negative pressure to the first vacuum output terminal 19 alone, and the second vacuum source 31 provides negative pressure to the second vacuum output terminal 39 alone.

[0085] Please see Figure 4 In some embodiments, the first adsorption pipeline 10 further includes a first noise-reducing element 12, which is disposed on the first vacuum source 11 to reduce the noise generated when the first vacuum source 11 is working. The second adsorption pipeline 30 further includes a second noise-reducing element 32, which is disposed on the second vacuum source 31 to reduce the noise generated when the second vacuum source 31 is working.

[0086] In some embodiments, the first adsorption pipeline 10 further includes a first filter element 18, which is disposed between the first vacuum output terminal 19 and the first connecting valve assembly 15, for filtering the gas entering the first adsorption pipeline 10 from the first vacuum output terminal 19. The second adsorption pipeline 30 further includes a second filter element 38, which is disposed between the second vacuum output terminal 39 and the second connecting valve assembly 35, for filtering the gas entering the second adsorption pipeline 30 from the second vacuum output terminal 39. Specifically, when the vacuum adsorption pipeline 100 is applied to a testing instrument, impurities or liquids on the testing instrument may be adsorbed into the vacuum adsorption pipeline 100. By setting the first filter element 18 and the second filter element 38, impurities or liquids in the gas can be blocked, thereby ensuring the cleanliness of the vacuum adsorption pipeline 100, preventing impurities from clogging the pipeline or damaging the first vacuum source 11 and the second vacuum source 31, and improving the stability of the vacuum adsorption pipeline 100.

[0087] Please see Figure 5 This application also provides a detection device 200, which includes the vacuum adsorption pipeline 100 and adsorption platform 210 as described in any of the above embodiments. Figure 5 The vacuum adsorption line 100 of the detection device 200 shown is only one embodiment of the vacuum adsorption line 100 described above, and is not limited to the vacuum adsorption line 100 of this embodiment. The adsorption platform 210 is connected to the vacuum adsorption line 100, and the adsorption platform 210 carries the flow cell 230a. The vacuum adsorption line 100 is used to provide negative pressure, thereby adsorbing the flow cell 230a onto the adsorption platform 210.

[0088] The detection device 200 can be a gene sequencer, or other medical devices or biochemical testing instruments. The flow cell 230a is a slide carrying the sample solution to be tested. The detection device 200 also includes a detection optical path (not shown in the figure), which is focused on the surface of the flow cell 230a to acquire optical information about the sample. The adsorption platform 210 is used to uniformly adsorb the flow cell 230a, thereby ensuring the flatness of the flow cell 230a. That is, the adsorption platform 210 needs to ensure that the flow cell 230a is completely attached to the adsorption platform 210, avoiding edge lifting or other conditions that affect the flatness of the flow cell.

[0089] In some embodiments, the adsorption platform 210 is provided with a first adsorption tank 211 and at least one second adsorption tank 215, the second adsorption tank 215 being disposed around the first adsorption tank 211. The first adsorption tank 211 is connected to the first vacuum output terminal 19 through a first gas passage 213 formed on the adsorption platform 210. The second adsorption tank 215 is connected to the second vacuum output terminal 39 through a second gas passage 217 formed on the adsorption platform 210.

[0090] Specifically, the first adsorption groove 211 is an annular groove formed on the adsorption platform 210. The shape of the first adsorption groove 211 matches the flow cell 230a, thereby providing a uniform negative pressure to adsorb the flow cell 230a and ensure the flatness of the flow cell 230a. The first gas passage 213 is a gas passage pipe formed inside the adsorption platform 210 and extending outward. One end of the first gas passage 213 penetrates the bottom wall of the first adsorption groove 211 to form a first adsorption hole 212, and the other end of the first gas passage 213 is connected to the first vacuum output end 19, thereby connecting the first adsorption pipe 10 to the first adsorption groove 211. When the flow cell 230a is placed on the adsorption platform 210 and aligned with the first adsorption groove 211, the vacuum adsorption pipe 100 can be controlled to provide a negative pressure at the first vacuum output end 19, thereby generating a negative pressure on the first adsorption groove 211 to adsorb the flow cell 230a, thus fixing the flow cell 230a on the adsorption platform 210.

[0091] For example, the first vacuum source 11 can be turned on, and a first three-way valve 153 can be set to connect the first transmission element 151 and the first vacuum output terminal 19. The second three-way valve 353 can close the connection with the second transmission element 351, so that the first vacuum source 11 can generate negative pressure at the first vacuum output terminal 19. The first pressure sensor 17 can be used to sense the air pressure at the first vacuum output terminal 19, so that when the air pressure reaches a preset value, the second vacuum source 31 can be switched to work, thereby ensuring the adsorption platform 210 adsorbs the flow cell 230a.

[0092] Please see Figure 6 In some embodiments, there are two second adsorption grooves 215, which are respectively formed at opposite ends of the first adsorption groove 211. Each second adsorption groove 215 is an annular groove. The second gas passage 217 is a gas pipe formed within the adsorption platform 210 and extending outwards. The second gas passage 217 communicates with both second adsorption grooves 215 and penetrates the bottom wall of each second adsorption groove 215 to form a second adsorption hole 216 on each of the two second adsorption grooves 215. The other end of the second gas passage 217 is connected to the second vacuum output end 39.

[0093] Specifically, the adsorption platform 210 can also be used to adsorb larger flow cells 230b, the size of which is adapted to the overall size of the first adsorption tank 211 and the second adsorption tank 215. When the flow cell 230b is placed on the adsorption platform 210 and aligned with the first adsorption tank 211 and the two second adsorption tanks 215, the vacuum adsorption pipeline 100 can be controlled to simultaneously provide negative pressure at the first vacuum output end 19 and the second vacuum output end 39, thereby simultaneously generating negative pressure on the first adsorption tank 211 and the two second adsorption tanks 215 to adsorb the flow cell 230b, thus fixing the flow cell 230b on the adsorption platform 210.

[0094] For example, the second vacuum source 31 can be turned on, the first three-way valve 153 connects the first transmission element 151 and the first vacuum output terminal 19, and the second three-way valve 353 connects the second transmission element 351 and the second vacuum output terminal 39. This allows the second vacuum source 31 to simultaneously generate negative pressure at both the first and second vacuum output terminals 19. The first pressure sensor 17 and the second pressure sensor 37 are used to detect the gas pressure in the pipeline. When the gas pressure reaches a preset value, the first vacuum source 11 can be switched to work, thereby ensuring the adsorption platform 210 adsorbs the flow cell 230b.

[0095] The detection device 200 provided in this application embodiment, by setting the vacuum adsorption pipeline 100 in the above embodiment, can use a single vacuum source to simultaneously or separately provide negative pressure to the first adsorption tank 211 and the second adsorption tank 215, thereby adapting to flow cells of different sizes. It can also activate another vacuum source when one vacuum source fails, thereby ensuring the stability of adsorption in the flow cell. Furthermore, the vacuum adsorption pipeline 100 only has two vacuum sources and two pipelines, which helps reduce the complexity of the vacuum adsorption pipeline 100, thereby reducing production costs.

[0096] Those skilled in the art should recognize that the above embodiments are only used to illustrate this application and are not intended to limit this application. Any appropriate changes and variations made to the above embodiments within the essential spirit and scope of this application fall within the scope of protection claimed in this application.

Claims

1. A vacuum adsorption pipeline, characterized in that, include: The first adsorption pipeline includes a first vacuum source, a first connecting valve assembly, and a first vacuum output terminal arranged in sequence. as well as The second adsorption pipeline includes a second vacuum source, a second connecting valve assembly, and a second vacuum output terminal arranged in sequence; the first connecting valve assembly and the second connecting valve assembly are connected to each other; Wherein, the first vacuum source and the second vacuum source are used to provide a vacuum negative pressure; the first connecting valve assembly is also connected to the atmospheric environment, and the first connecting valve assembly is used to control the connection between the first vacuum output terminal and the first vacuum source, the atmospheric environment and the second connecting valve assembly; the second connecting valve assembly is also connected to the atmospheric environment, and the second connecting valve assembly is used to control the connection between the second vacuum output terminal and the second vacuum source, the atmospheric environment and the first connecting valve assembly; the first vacuum output terminal and the second vacuum output terminal are respectively connected to the device to be adsorbed.

2. The vacuum adsorption pipeline as described in claim 1, characterized in that, The first adsorption pipeline further includes a first check element, which is disposed between the first vacuum source and the first connecting valve assembly; used to achieve unidirectional flow between the first vacuum source and the first connecting valve assembly; the second adsorption pipeline further includes a second check element, which is disposed between the second vacuum source and the second connecting valve assembly; used to achieve unidirectional flow between the second vacuum source and the second connecting valve assembly.

3. The vacuum adsorption pipeline as described in claim 2, characterized in that, The first connecting valve assembly includes a first transmission element and a first three-way valve. The first transmission element is connected to the first vacuum source, the second connecting valve assembly, and the first three-way valve. The first three-way valve is also connected to the atmospheric environment and the first vacuum output terminal. The first three-way valve is used to control the connection between the first vacuum output terminal and the atmospheric environment or the first transmission element.

4. The vacuum adsorption pipeline as described in claim 2, characterized in that, The second connecting valve assembly includes a second transmission element and a second three-way valve. The second transmission element is connected to the second vacuum source, the first connecting valve assembly, and the second three-way valve. The second three-way valve is also connected to the atmospheric environment and the second vacuum output terminal. The second three-way valve is used to control the connection between the second vacuum output terminal and the atmospheric environment or the second transmission element.

5. The vacuum adsorption pipeline as described in claim 1, characterized in that, The first connecting valve assembly includes a first four-way valve, which is connected to the first vacuum source, the second connecting valve assembly, the atmospheric environment, and the first vacuum output terminal.

6. The vacuum adsorption pipeline as described in claim 1, characterized in that, The second connecting valve assembly includes a second four-way valve, which is connected to the second vacuum source, the first connecting valve assembly, the atmospheric environment, and the second vacuum output terminal.

7. The vacuum adsorption pipeline as described in claim 1, characterized in that, The first adsorption pipeline further includes a first pressure sensor, which is disposed between the first vacuum output end and the first connecting valve assembly, for sensing the gas pressure at the first vacuum output end; the second adsorption pipeline further includes a second pressure sensor, which is disposed between the second vacuum output end and the second connecting valve assembly, for sensing the gas pressure at the second vacuum output end.

8. The vacuum adsorption pipeline as described in claim 1, characterized in that, The first adsorption pipeline further includes a first silencing element, which is disposed on the first vacuum source; the second adsorption pipeline further includes a second silencing element, which is disposed on the second vacuum source.

9. The vacuum adsorption pipeline as described in claim 1, characterized in that, The first adsorption pipeline further includes a first filter element, which is disposed between the first vacuum output end and the first connecting valve assembly, for filtering the gas entering the first adsorption pipeline from the first vacuum output end; the second adsorption pipeline further includes a second filter element, which is disposed between the second vacuum output end and the second connecting valve assembly, for filtering the gas entering the second adsorption pipeline from the second vacuum output end.

10. A detection device, characterized in that, include: The vacuum adsorption pipeline as described in any one of claims 1-9; as well as An adsorption platform is provided with a first adsorption tank and at least one second adsorption tank, the second adsorption tank being disposed around the first adsorption tank; The first adsorption tank is connected to the first vacuum output terminal through a first gas passage opened on the adsorption platform; the second adsorption tank is connected to the second vacuum output terminal through a second gas passage opened on the adsorption platform.

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