Device for automatically cleaning and rinsing test tubes

Abstract

The utility model discloses a device for automatically cleaning and rinsing test tubes, and belongs to the technical field of test equipment. The device comprises a waste liquid pool, a cleaning unit and a rinsing unit are fixed to the bottom in the waste liquid pool in parallel and connected with a water storage unit arranged outside the waste liquid pool, test tube rack units are arranged on the pool walls of the two sides of the waste liquid pool, and test tube racks in the test tube rack units can move to the positions above the cleaning unit and the rinsing unit. A waste liquid discharging opening is formed in the bottom of the waste liquid pool, a plurality of infrared sensors are arranged on the pool walls of the two sides of the waste liquid pool and used for detecting the positions of test tubes on the test tube rack, and the infrared sensors are all connected with the control unit. The device is simple in structure and easy to manufacture; in the whole operation, the test tubes only need to be placed on the test tube rack, the test tubes can be cleaned to be washed, convenience and rapidness are achieved, time and labor are saved, the test tube cleaning efficiency is improved, loss possibly caused by manual test tube cleaning can be avoided, and cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of test equipment, and in particular relates to a device for automatically cleaning and rinsing test tubes. Background Art

[0002] In some experiments, it is necessary to clean and rinse the used test tubes and reuse them. For example, to determine the organic carbon content in the soil, since the number of samples to be determined is as high as hundreds, during the cleaning and rinsing process of the test tubes, on the one hand, the existing method of cleaning the test tubes is only to rinse the inner wall of the test tube with clean water, which results in incomplete cleaning and easy breakage of the test tube during cleaning. On the other hand, the laboratory ultrapure water machine requires manual collection of pure water, and only two instruments can be rinsed at a time. The existing operation method for cleaning and rinsing the test tubes requires a large amount of manpower and time costs. Utility Model Content

[0003] The utility model aims to provide a device for automatically cleaning and rinsing test tubes, which solves the problems in the prior art that the test tubes are not cleaned properly and the test tubes are avoided from being broken during the cleaning process, and that manual cleaning of the test tubes is time-consuming, labor-intensive and inefficient.

[0004] In order to achieve the above object, the utility model provides the following technical solutions:

[0005] A device for cleaning and rinsing test tubes, comprising a waste liquid pool, a cleaning unit and a rinsing unit are fixed in parallel at the bottom of the waste liquid pool, the cleaning unit and the rinsing unit are both connected to a water storage unit arranged outside the waste liquid pool, test tube rack units are arranged on the pool walls on both sides of the waste liquid pool, the test tube racks in the test tube rack units can be moved to above the cleaning unit and the rinsing unit, and a waste liquid discharge port is arranged at the bottom of the waste liquid pool;

[0006] The cleaning unit includes a shower head, which is connected to a water storage unit. The shower head is provided with a plurality of water holes, each of which is connected to a telescopic tube. A turntable is provided inside the telescopic tube, a water spray pipe is fixedly connected above the turntable, a plurality of water spray holes are provided on the pipe wall of the water spray pipe, and the telescopic tube is connected to a control unit. The control unit is used to control the lifting and rotation of the water spray pipe, and insert the water spray pipe into the test tube to be cleaned on the test tube rack;

[0007] The rinsing unit and the cleaning unit have the same structure, a brush is arranged around the water spray hole of the cleaning unit, and no brush is arranged around the water spray hole of the rinsing unit;

[0008] A plurality of infrared sensors are arranged on the pool walls on both sides of the waste liquid pool for detecting the positions of the test tubes on the test tube rack, and the plurality of infrared sensors are connected to the control unit.

[0009] The test tube rack unit includes a slide rail, and slide rails are arranged on the upper part of the two side walls of the waste liquid pool. A slide groove is arranged between the two slide rails, and an inverted test tube rack is connected to the slide groove and can move horizontally on the slide groove; the test tube rack is provided with the same number of test tube slots as the water holes on the shower head, and the positions of the test tube slots can correspond to the positions of the water holes of the shower head up and down.

[0010] The number of infrared sensors on each side of the waste liquid pool is the same as the number of rows of the test tube slots, and the spacing between adjacent infrared sensors is the same as the spacing between the test tube slot rows.

[0011] Round holes are arranged on both sides of the test tube rack, and the test tube rack is connected to the slide slot through two hooks.

[0012] Card slots are arranged at both ends of the slide.

[0013] The control unit includes a second motor and a third motor arranged on the cleaning unit, the second motor is used to drive the lifting and lowering of the telescopic tube, the second motor is installed on the telescopic tube, and the third motor is used to drive the turntable to rotate, and the second motor and the third motor are both electrically connected to the time sensor;

[0014] The control unit provided on the rinsing unit is the same as the control unit provided on the cleaning unit;

[0015] The control unit also includes a first motor for driving the test tube rack to move, the first motor is mounted on the slide slot, and the first motor is electrically connected to the signal sensor;

[0016] The infrared sensor near the cleaning unit is connected to the time sensor set on the cleaning unit, the infrared sensor near the rinsing unit is connected to the time sensor set on the rinsing unit, and the time sensor of the control unit set on the cleaning unit and the time sensor of the control unit set on the rinsing unit are both connected to the signal sensor.

[0017] The water storage unit comprises a water reservoir, the water reservoir is connected to a centrifugal pump through a water pipe, and the other end of the centrifugal pump is connected to a shower head through a water pipe.

[0018] An atomizing nozzle is arranged on the top of the water spray pipe.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model provides power through a water storage unit to extract natural water or pure water from a water storage tank and transport it to a cleaning unit or a rinsing unit. There are several cleaning units or rinsing units, which can clean or rinse a large number of test tubes at the same time. By setting a water spray hole and a brush on the water spray pipe of the cleaning unit, the test tube can be fully cleaned, and the residual stains in the test tube can be rinsed off; a rinsing unit is also provided to rinse the cleaned test tube to ensure the cleanliness of the test tube and provide a guarantee for the accuracy of the experiment; an infrared sensor is provided to detect the position of the test tube, and the test tube at any position can be cleaned and rinsed. The whole device has a simple structure and is easy to make; the whole operation only requires placing the test tube on the test tube rack to complete the cleaning and rinsing of the test tube, which is convenient and fast, saves time and effort, improves the efficiency of test tube cleaning, and can also avoid the loss that may be caused by manual cleaning of the test tube, saving costs.

[0021] Furthermore, the test tube rack unit is provided with a slide rail and a slide groove to enable the test tube rack to be moved to any position of the waste liquid pool. The test tube rack is fixed to the slide groove by a hook to facilitate the insertion or removal of the test tube. A card slot is provided on the slide groove to ensure that the test tube rack is moved to a position above the cleaning unit or the rinsing unit; the water storage unit is provided with a water tank to store washing water in advance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of a device for automatically cleaning and rinsing test tubes of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the rinse unit of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the telescopic pipe and the water spray pipe of the utility model;

[0026] Figure 4 It is a schematic diagram of the water spray pipe of the cleaning part of the utility model;

[0027] Figure 5 It is a schematic diagram of the water spray pipe of the rinse part of the utility model;

[0028] In the figure, 1. water storage tank; 2. water pipe; 3. centrifugal pump; 4. time sensor; 5. first motor; 6. slide rail; 7. slide slot; 8. test tube rack; 9. hook; 10. signal sensor; 11. telescopic tube; 12. test tube slot; 13. shower head; 14. waste liquid discharge port; 15. waste liquid pool; 16. atomizing nozzle; 17. water spray hole; 18. brush; 19. test tube; 20. water spray pipe; 21. infrared sensor; 22. turntable; 23. second motor; 24. third motor. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the embodiments of the present utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0033] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0034] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] The utility model is further described in detail below with reference to the accompanying drawings:

[0036] like Figure 1 As shown, a device for automatically cleaning and rinsing test tubes includes a waste liquid tank 15, a cleaning unit and a rinsing unit are arranged at the bottom of the waste liquid tank 15, the cleaning unit and the rinsing unit are connected to a water storage unit arranged outside the waste liquid tank 15, test tube rack units are arranged on both side walls of the waste liquid tank 15, the test tube rack 8 in the test tube rack unit can be moved to above the cleaning unit and the rinsing unit, and a waste liquid discharge port 14 is arranged at the bottom of the waste liquid tank 15.

[0037] like Figure 1-5 As shown, the cleaning unit includes a shower head 13, which is connected to the water storage unit. The shower head 13 is provided with a plurality of water holes, which are arranged in rows and columns, and each water hole is connected to a telescopic tube 11. A turntable 22 is provided in the telescopic tube 11, and a water spray pipe 20 is fixedly connected above the turntable 22. A plurality of water spray holes 17 are provided on the tube wall of the water spray pipe 20, and an atomizing nozzle 16 is connected to the top of the water spray pipe 20; the telescopic tube 11 is connected to a control unit, and the control unit is used to control the lifting and rotation of the water spray pipe 20, and insert the water spray pipe 20 into the test tube to be cleaned on the test tube rack 8.

[0038] like Figure 1 and Figure 5 As shown, the rinsing unit and the cleaning unit have the same structure and are fixed side by side at the bottom of the waste liquid pool 15. The difference is that a brush 18 is arranged around the water spray hole 17 of the cleaning unit, while no brush is arranged around the water spray hole of the rinsing unit.

[0039] like Figure 1 As shown, a plurality of infrared sensors 21 are disposed on the two side walls of the waste liquid pool 15 for detecting the position of the test tubes on the test tube rack 8, and the plurality of infrared sensors 21 are connected to the control unit.

[0040] like Figure 1As shown, the test tube rack unit includes a slide rail 6, and the slide rails 6 are arranged on the upper part of the pool walls on both sides of the waste liquid pool 15, and a slide groove 7 is arranged between the two slide rails 6. The slide groove 7 is connected to an inverted test tube rack 8, and round holes are arranged on both sides of the test tube rack 8. The test tube rack 8 is connected to the slide groove 7 through two hooks 9 and can move horizontally on the slide groove 7; card slots are arranged at both ends of the slide groove 7 for controlling the test tube rack 8 to move to a position above the cleaning unit or the rinse unit; the test tube rack 8 is provided with the same number of test tube card slots 12 as the water holes on the shower 13, and the positions of the test tube card slots 12 can correspond to the water holes of the shower 13 up and down; below the slide rail 6, a plurality of infrared sensors 21 are arranged on the pool walls on both sides of the waste liquid pool 15, and the number of infrared sensors 21 on each side is the same as the number of rows of test tube card slots 12, and the spacing between adjacent infrared sensors 21 is the same as the spacing between rows of test tube card slots 12.

[0041] like Figure 1 and Figure 2 As shown, the control unit includes a second motor 23 and a third motor 24 arranged on the cleaning unit, the second motor 23 is used to drive the lifting and lowering of the telescopic tube 11, and the second motor 23 is installed on the gear of the telescopic tube 11; the third motor 24 is used to drive the turntable 22 to rotate, and the second motor 23 and the third motor 24 are both electrically connected to the time sensor 4; the control unit arranged on the rinsing unit is the same as the control unit arranged on the cleaning unit; the control unit also includes a first motor 5 for driving the test tube rack 8 to move, the first motor 5 is installed on the slide 7, and the first motor 5 is electrically connected to the signal sensor 10; the infrared sensor 21 close to the cleaning unit is connected to the time sensor 4 arranged on the cleaning unit, the infrared sensor close to the rinsing unit is connected to the time sensor arranged on the rinsing unit, and the time sensor 4 of the control unit arranged on the cleaning unit and the time sensor of the control unit arranged on the rinsing unit are both connected to the signal sensor 10.

[0042] The water storage unit includes a water reservoir 1, which is connected to a centrifugal pump 3 through a water pipe 2, and the other end of the centrifugal pump 3 is connected to a shower head 13 through a water pipe; the water reservoir 1 in the water storage unit connected to the cleaning unit is used to store natural water, and the water reservoir in the water storage unit connected to the rinsing unit is used to store pure water.

[0043] The utility model discloses a method for using a device for automatically cleaning and rinsing a test tube, comprising the following steps:

[0044] First, the prepared pure water is stored in the water reservoir of the rinse unit, the natural water is stored in the water reservoir 1 of the cleaning unit and detergent is added as required, the test tube 19 to be cleaned is inserted into the test tube slot 12, and the test tube rack 8 is moved to the top of the cleaning unit, and the test tube slot 12 corresponds to the position of the infrared sensor 21;

[0045] After the centrifugal pump 3 is powered on, the centrifugal pump 3 transports the water in the water reservoir 1 to the shower head 13 through the water pipe 2, and detects whether there is a test tube 19 in the test tube slot 12 of the row through the infrared sensor 21. When the test tube 19 is detected, the infrared sensor 21 transmits a signal to the time sensor 4, and then the time sensor 4 receives the signal and raises the telescopic tube 11 at the corresponding position on the shower head 13 into the test tube 19 through the second motor 23. The washing water enters the water spray pipe 20 through the telescopic tube 11, and then is sprayed into the test tube 19 through the water spray hole 17 and the atomizing nozzle 16. The turntable 22 is driven by the third motor 24, and the water spray pipe 20 is driven to start rotating to clean the test tube 19. The cleaning is completed after 3 minutes.

[0046] The telescopic tube 11 contracts, and after the signal sensor 10 receives the signal from the time sensor 4, the test tube rack 8 is moved horizontally to the top of the rinsing unit through the first motor 5, and then the infrared sensor 21 on the rinsing side detects whether there is a test tube 19 in the test tube slot 12 of the row. When the test tube 19 is detected, the infrared sensor 21 on the rinsing side transmits the signal to the time sensor of the rinsing unit. Then, after the time sensor receives the signal, the telescopic tube at the corresponding position on the shower head of the rinsing unit is raised into the test tube 19 through the second motor of the rinsing unit. Pure water enters the water spray pipe through the telescopic tube of the rinsing unit, and then is sprayed into the test tube 19 through the water spray hole and the atomizing nozzle. The turntable of the rinsing unit is driven by the third motor of the rinsing unit, and the water spray pipe of the rinsing unit is driven to start rotating to rinse the test tube 19. After 4 minutes, the rinsing is completed, the telescopic tube 11 of the rinsing unit contracts, and the test tube 19 is left to stand for 1 minute.

[0047] The wastewater produced by cleaning and rinsing is poured into the waste liquid pool 15 and discharged through the waste liquid discharge port 14. If it is necessary to continue cleaning and rinsing the test tubes, just replace a new test tube rack and repeat the above process.

[0048] Example

[0049] A device for automatically cleaning and rinsing test tubes comprises a waste liquid pool 15, a cleaning unit, a rinsing unit, a test tube rack unit and a water storage unit; the cleaning unit and the rinsing unit are arranged in the waste liquid pool 15, and both the cleaning unit and the rinsing unit are connected to the water storage unit arranged outside the waste liquid pool 15; the test tube rack unit is arranged on the upper part of the pool wall of the waste liquid pool 15, and a waste liquid discharge port 14 is arranged at the bottom of the waste liquid pool 15.

[0050] The cleaning unit includes a shower head 13, which is arranged in a waste liquid pool 15. The shower head 13 is provided with 15 water holes, and the 15 water holes are evenly distributed in the form of 5*3 rows and columns. Each water hole is connected to a telescopic tube 11, a turntable 22 is arranged on the top of the telescopic tube 11, and a water spray pipe 20 is fixedly connected above the turntable 22; a plurality of water spray holes 17 are arranged on the tube wall of the water spray pipe 20, a brush 18 is arranged around the water spray hole 17, and an atomizing nozzle 16 is connected to the top of the water spray pipe 20; a second motor 23 is arranged on the gear of the telescopic tube 11 for controlling the lifting and lowering of the telescopic tube, and a third motor 24 is installed on the turntable 22 for driving the turntable 22 to rotate, and the second motor 23 and the third motor 24 are both electrically connected to the time sensor 4.

[0051] The rinsing unit and the cleaning unit have the same structure and are fixed in parallel at the bottom of the waste liquid pool 15. The difference is that no brush is arranged around the water spray hole of the rinsing unit, and the second motor and the third motor of the rinsing unit are both electrically connected to the time sensor.

[0052] Slide rails 6 are arranged on the upper part of the pool walls on both sides of the waste liquid pool 15, a slide groove 7 is arranged between the two slide rails 6, and round holes are arranged on both sides of the test tube rack 8. The test tube rack 8 is connected to the slide groove 7 through two hooks 9 and can move horizontally on the slide groove 7. A first motor 5 is installed on the slide groove 7 to drive the hook 9 to move, and the first motor 5 is connected to the signal sensor 10; card slots are arranged at both ends of the slide groove 7 to control the test tube rack 8 to move to a position above the cleaning unit or the rinse unit; the test tube rack 8 is provided with 15 test tube card slots 12, which are evenly distributed in the form of 5*3 rows and columns, and the test tube card slots 12 are arranged in a uniform manner. The position corresponds to the water hole position of the shower head 13 up and down; below the slide rail 6, three infrared sensors 21 are arranged on the two side walls of the waste liquid pool 15, and the spacing between adjacent infrared sensors 21 is the same as the spacing between the test tube slots 12 rows, the infrared sensor 21 close to the cleaning unit is connected to the time sensor 4 arranged on the cleaning unit, the infrared sensor close to the rinsing unit is connected to the time sensor arranged on the rinsing unit, and the time sensor 4 of the control unit arranged on the cleaning unit and the time sensor of the control unit arranged on the rinsing unit are both connected to the signal sensor 10.

[0053] The water storage unit includes a water reservoir 1, which is connected to a centrifugal pump 3 through a water pipe 2, and the other end of the centrifugal pump 3 is connected to a shower head 13 through a water pipe; the water reservoir 1 in the water storage unit connected to the cleaning unit is used to store natural water, and the water reservoir in the water storage unit connected to the rinsing unit is used to store pure water.

[0054] The shower head in the embodiment is an AE3492WP-P2 shower head, the centrifugal pump 3 is a 65-250A vertical centrifugal pump; the water spray pipe 20 is an HDPE pipe, and the water pipe 2 is a PPC pipe; the model specification of the infrared sensor is Sharp GP2Y0A02YK; the model of the signal sensor is ICL8038 medium and low frequency signal source waveform signal generator.

[0055] The utility model provides power through the centrifugal pump of the water storage unit to extract natural water or pure water from the water storage tank and transport it to the cleaning unit or the rinsing unit. The position of the test tube is detected by the infrared sensor, and the test tube at any position can be cleaned and rinsed. By arranging an atomizing nozzle, a water spray hole and a brush on the water spray pipe of the cleaning unit, the test tube can be fully cleaned and the residual stains in the test tube can be washed away; a rinsing unit is also provided to rinse the cleaned test tube to ensure the cleanliness of the test tube and provide guarantee for the accuracy of the experiment. The whole device has a simple structure and is easy to make; the whole operation only requires placing the test tube on the test tube rack to complete the cleaning and rinsing of the test tube, which is convenient and fast, saves time and effort, and improves the efficiency of test tube cleaning.

[0056] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field can still modify or replace the specific implementation methods of the present invention. Any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention are within the scope of protection of the claims of the present invention to be approved.

Claims

1. A device for automatically cleaning and rinsing test tubes, characterized in that: The invention comprises a waste liquid pool (15), wherein a cleaning unit and a rinsing unit are fixed in parallel at the bottom of the waste liquid pool (15), the cleaning unit and the rinsing unit are both connected to a water storage unit arranged outside the waste liquid pool (15), test tube rack units are arranged on the two side walls of the waste liquid pool (15), the test tube racks (8) in the test tube rack units can be moved to above the cleaning unit and the rinsing unit, and a waste liquid discharge port (14) is arranged at the bottom of the waste liquid pool (15); The cleaning unit comprises a shower head (13), the shower head (13) is connected to a water storage unit, the shower head (13) is provided with a plurality of water holes, each of the water holes is connected to a telescopic tube (11), a rotating disk (22) is provided inside the telescopic tube (11), a water spraying pipe (20) is fixedly connected above the rotating disk (22), a pipe wall of the water spraying pipe (20) is provided with a plurality of water spraying holes (17), the telescopic tube (11) is connected to a control unit, the control unit is used to control the lifting and rotation of the water spraying pipe (20), and insert the water spraying pipe (20) into a test tube to be cleaned on a test tube rack (8); The rinsing unit and the cleaning unit have the same structure, a brush (18) is arranged around the water spray hole (17) of the cleaning unit, and no brush is arranged around the water spray hole of the rinsing unit; A plurality of infrared sensors (21) are arranged on the pool walls on both sides of the waste liquid pool (15) for detecting the position of the test tubes on the test tube rack (8), and the plurality of infrared sensors (21) are connected to the control unit; The control unit comprises a second motor (23) and a third motor (24) arranged on the cleaning unit, the second motor (23) is used to drive the telescopic tube (11) to rise and fall, the second motor (23) is installed on the telescopic tube (11), the third motor (24) is used to drive the turntable (22) to rotate, and the second motor (23) and the third motor (24) are both electrically connected to the time sensor (4); The control unit provided on the rinsing unit is the same as the control unit provided on the cleaning unit; The control unit further comprises a first motor (5) for driving the test tube rack (8) to move, the first motor (5) being mounted on the slide slot (7), and the first motor (5) being electrically connected to the signal sensor (10); The infrared sensor (21) near the cleaning unit is connected to a time sensor (4) provided on the cleaning unit, the infrared sensor near the rinsing unit is connected to a time sensor provided on the rinsing unit, and the time sensor (4) of the control unit provided on the cleaning unit and the time sensor of the control unit provided on the rinsing unit are both connected to the signal sensor (10).

2. A device for automatically cleaning and rinsing test tubes according to claim 1, characterized in that: The test tube rack unit comprises a slide rail (6), the slide rails (6) are arranged on the upper part of the pool walls on both sides of the waste liquid pool (15), a slide groove (7) is arranged between the two slide rails (6), an inverted test tube rack (8) is connected to the slide groove (7), and can move horizontally on the slide groove (7); the test tube rack (8) is provided with the same number of test tube clamping grooves (12) as the water holes on the shower head (13), and the positions of the test tube clamping grooves (12) can correspond to the positions of the water holes of the shower head (13) in the upper and lower directions.

3. A device for automatically cleaning and rinsing test tubes according to claim 2, characterized in that: The number of infrared sensors (21) on each side of the waste liquid pool (15) is the same as the number of rows of the test tube slots (12), and the spacing between adjacent infrared sensors (21) is the same as the spacing between rows of the test tube slots (12).

4. A device for automatically cleaning and rinsing test tubes according to claim 2, characterized in that: Circular holes are arranged on both sides of the test tube rack (8), and the test tube rack (8) is connected to the slide groove (7) via two hooks (9).

5. A device for automatically cleaning and rinsing test tubes according to claim 2, characterized in that: The two ends of the slide groove (7) are provided with clamping grooves.

6. A device for automatically cleaning and rinsing test tubes according to claim 1, characterized in that: The water storage unit comprises a water reservoir (1), the water reservoir (1) is connected to a centrifugal pump (3) via a water pipe (2), and the other end of the centrifugal pump (3) is connected to a shower head (13) via a water pipe.

7. A device for automatically cleaning and rinsing test tubes according to claim 1, characterized in that: An atomizing nozzle (16) is arranged on the top of the water spray pipe (20).

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