A wireless liquid transfer air pump capable of being connected to the Internet of Things

Abstract

The present invention relates to the technical field of liquid transfer pumps, and specifically discloses a wireless liquid transfer air pump that can be connected to the Internet of Things, including a liquid transfer pump and a charging seat, wherein both liquid transfer pumps are located above the charging seat; the liquid transfer pump includes an upper power storage shell, a lower drive shell, a liquid transfer shell and a fixed outer tube, wherein the upper power storage shell is detachably connected to the upper end of the lower drive shell, the liquid transfer shell is detachably connected to the rear end of the lower drive shell, and the fixed outer tube is detachably connected to the lower end of the lower drive shell; a control board is arranged inside the lower drive shell, the rear end of the control board is fixedly connected to the liquid transfer shell, a charger is fixedly arranged at the lower end of the lower drive shell, an energy storage battery is arranged inside the upper power storage shell, and the energy storage battery and the control board are electrically connected. The present invention can solve the problem of quick conversion of liquid transfer air pumps in automated liquid transfer through wireless control and lithium battery power supply mode, thereby improving efficiency and accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid transfer pumps, and in particular to a wireless liquid transfer air pump capable of being connected to the Internet of Things. Background Art

[0002] A pipette air pump is a liquid handling device that uses compressed air as a power source and is widely used in laboratories and industrial environments. Its working principle is to achieve the suction and discharge of liquid through the telescopic movement of the piston. Specifically, when the piston is pushed, some air is discharged, and then the liquid is sucked in by atmospheric pressure; the piston then pushes the air to discharge the liquid.

[0003] The existing technology still has the following areas for improvement: traditional pipette pumps require an external power supply for operation, which results in the need for external wires. When the pipette pump needs to be replaced, it cannot be quickly replaced. When a trace amount of sample addition is required, a higher-precision pipette air pump cannot be replaced. A single pipette pump cannot meet the needs of both adding a trace amount of liquid and adding a large amount of liquid. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides a wireless pipetting air pump that can be connected to the Internet of Things, which can solve the problem of quick change of pipetting air pump in automated pipetting through wireless control and lithium battery power supply mode, thereby improving efficiency and accuracy.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A wireless liquid transfer air pump capable of being connected to the Internet of Things, comprising a liquid transfer pump and a charging base, wherein two of the liquid transfer pumps are located above the charging base;

[0007] The liquid transfer pump comprises an upper power storage housing, a lower driving housing, a liquid transfer housing and a fixed outer tube, wherein the upper power storage housing is detachably connected to the upper end of the lower driving housing, the liquid transfer housing is detachably connected to the rear end of the lower driving housing, and the fixed outer tube is detachably connected to the lower end of the lower driving housing;

[0008] A control board is arranged inside the lower driving housing, the rear end of the control board is fixedly connected to the liquid transfer housing, a charger is fixedly arranged at the lower end of the lower driving housing, an energy storage battery is arranged inside the upper power storage housing, and the energy storage battery and the control board are electrically connected;

[0009] A driving motor is fixedly arranged at the upper end of the pipetting housing, a screw is fixedly arranged at the lower end of the driving motor, a transmission slider is slidably arranged on the screw, a plunger rod is fixedly arranged at the lower end of the transmission slider, and a pipetting inner tube is arranged inside the fixed outer tube;

[0010] A liquid storage hole is provided inside the pipette housing, the plunger rod is slidably connected to the liquid storage hole, the interior of the pipette inner tube is connected to the liquid storage hole, a sealing ring and a ferrule are sleeved on the pipette inner tube, and the ferrule is located at the upper end of the sealing ring;

[0011] A limiting groove is provided at the upper end of the liquid storage hole, two limiting screws are fixedly arranged at the upper end of the limiting groove, the sealing ring is slidably connected in the limiting groove, and the sealing ring is located at the lower end of the limiting screw.

[0012] Furthermore, a photoelectric sensor is fixedly provided on the rear end of the pipetting housing, and the photoelectric sensor is located on the rear side of the transmission slider.

[0013] Furthermore, a pressure sensor is fixedly disposed on the front end of the pipetting housing, and the pressure sensor is located at the front end of the liquid storage hole, and the pressure sensor is in contact with the liquid storage hole.

[0014] Furthermore, the lower end of the inner pipette tube is externally connected to a pipette head.

[0015] Furthermore, the charging base includes a placement shell, a bottom base and two charging connectors, the placement shell is detachably connected to the upper end of the bottom base, the bottom base is provided with two bottom holes, the placement shell is provided with two placement grooves, the two placement grooves and the two bottom holes correspond to each other, and each placement groove is provided with a placement hole.

[0016] Furthermore, each of the placement slots is provided with a charging slot, and the interior of each of the charging slots is connected to the charging connector.

[0017] Furthermore, a charging port is provided at the front end of the housing, and the charging port and the two charging connectors are electrically connected, and the charging port is connected to an external power source.

[0018] Furthermore, the charging connector cooperates with the charger, the placement groove cooperates with the lower drive housing, and the placement hole cooperates with the fixed outer tube.

[0019] The beneficial effects of the present invention are:

[0020] (1) By arranging the control board, the pipette inner tube, the photoelectric sensor and the pressure sensor, the technical effect that can be achieved is that the rear end of the pipette housing is fixedly provided with a photoelectric sensor, the photoelectric sensor is located on the rear side of the transmission slider, the front end of the pipette housing is fixedly provided with a pressure sensor, the pressure sensor is located at the front end of the liquid storage hole, the pressure sensor is in contact with the liquid storage hole, and the lower end of the pipette inner tube is externally connected to the liquid pipetting head;

[0021] The lower end of the inner pipette tube is connected to the external liquid suction head, and the external signal is transmitted to the control board. The control board starts the drive motor and rotates the screw to move the transmission slider downward. The photoelectric sensor detects whether the transmission slider is at the origin. The pressure sensor detects that the pressure value in the liquid storage hole decreases. Through the control of the control board, the transmission slider can be moved to the origin. The pressure sensor is used to detect whether the liquid storage hole is in the liquid storage state. No external wires are required. It is suitable for micro-sampling. It is convenient to replace a higher-precision pipette pump. A pipette pump can be removed separately for charging or maintenance, which is convenient for maintenance or replacement.

[0022] (2) By arranging a driving motor, a screw, a plunger rod and a transmission slider, the technical effect that can be achieved is that the driving motor is fixedly arranged at the upper end of the pipette housing, the screw is fixedly arranged at the lower end of the driving motor, the transmission slider is slidably arranged on the screw, the plunger rod is fixedly arranged at the lower end of the transmission slider, the pipette inner tube is arranged inside the fixed outer tube, a liquid storage hole is opened inside the pipette housing, the plunger rod is slidably connected in the liquid storage hole, the interior of the pipette inner tube is connected to the liquid storage hole, a sealing ring and a ferrule are sleeved on the pipette inner tube, and the ferrule is located at the upper end of the sealing ring;

[0023] When the fixed outer tube is located in the liquid, the controller starts the drive motor, the screw rotates, driving the transmission slider to move upward, driving the plunger rod to move upward, and since the liquid storage hole is in a sealed state at this time, the liquid is extracted from the pipette inner tube into the liquid storage hole. When the pipette pump moves to the specified position, the controller starts the drive motor, the screw rotates, driving the transmission slider to move downward, driving the plunger rod to move downward, and the liquid in the liquid storage hole is moved out to the lower end of the pipette inner tube to complete the pipetting operation. The drive motor can be wirelessly controlled, and the lithium battery power supply mode solves the problem of quick change of pipette pumps in automated pipetting, improves efficiency and accuracy, and enables the pipette pump to be flexibly replaced.

[0024] (3) By providing a charging seat, the technical effect that can be achieved is that the placement shell is detachably connected to the upper end of the bottom seat, the bottom seat is provided with two bottom holes, the placement shell is provided with two placement slots, the two placement slots and the two bottom holes are corresponding, each placement slot is provided with a placement hole, each placement slot is provided with a charging slot, and each charging slot is connected to a charging connector;

[0025] When charging is needed, the charging port is connected to an external power source, and the two pipette pumps are placed in two charging slots respectively. The two charging connectors are in contact with the two chargers respectively, and the two pipette pumps are charged at the same time. The charging stand can charge multiple pipette pumps at the same time to increase the charging speed. The charging stand is small in size and light in weight, and is easy to place and transport. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention in a charging state;

[0028] Figure 2 It is a front view of the liquid transfer pump in the present invention;

[0029] Figure 3 It is a right side view of the liquid transfer pump in the present invention;

[0030] Figure 4 The figure is a front view of the liquid transfer pump of the present invention after removing the upper power storage housing and the lower drive housing;

[0031] Figure 5 The figure is a right side view of the liquid transfer pump of the present invention after removing the upper power storage housing and the lower drive housing;

[0032] Figure 6 It is a right sectional view of the liquid transfer pump of the present invention;

[0033] Figure 7 It is a front view of the charging base in the present invention;

[0034] Figure 8 A top view of the charging stand of the present invention;

[0035] Fig. 9 A bottom view of the charging stand of the present invention;

[0036] Fig.10 It is a front cross-sectional view of the charging base in the present invention;

[0037] Description of main component symbols:

[0038] In the figure: 1, liquid transfer pump; 11, upper power storage housing; 12, liquid transfer housing; 13, liquid transfer inner tube; 14, fixed outer tube; 15, drive motor; 16, lower drive housing; 17, control board; 18, energy storage battery; 19, charger; 110, transmission slider; 111, photoelectric sensor; 112, ferrule; 113, sealing ring; 114, plunger rod; 115, pressure sensor; 116, screw rod; 117, liquid storage hole; 118, limit screw;

[0039] 2. Charging seat; 21. Placement shell; 22. Bottom seat; 23. Charging port; 24. Placement hole; 25. Placement slot; 26. Charging slot; 27. Bottom hole; 28. Charging connector. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0041] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0042] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 this application can be understood according to specific circumstances.

[0043] Reference Figures 1 to 10 , is a wireless pipetting air pump that can be connected to the Internet of Things disclosed in the present invention, including a pipetting pump 1 and a charging base 2, and the two pipetting pumps 1 are both located above the charging base 2.

[0044] The pipette pump 1 includes an upper power storage shell 11, a lower driving shell 16, a pipette shell 12 and a fixed outer tube 14. The upper power storage shell 11 is detachably connected to the upper end of the lower driving shell 16, the pipette shell 12 is detachably connected to the rear end of the lower driving shell 16, and the fixed outer tube 14 is detachably connected to the lower end of the lower driving shell 16.

[0045] A control board 17 is disposed inside the lower driving housing 16, and the rear end of the control board 17 is fixedly connected to the pipetting housing 12. A charger 19 is fixedly disposed at the lower end of the lower driving housing 16. A storage battery 18 is disposed inside the upper power storage housing 11, and the storage battery 18 and the control board 17 are electrically connected.

[0046] A driving motor 15 is fixedly provided at the upper end of the pipetting housing 12, a screw rod 116 is fixedly provided at the lower end of the driving motor 15, a transmission slider 110 is slidably provided on the screw rod 116, a plunger rod 114 is fixedly provided at the lower end of the transmission slider 110, and a pipetting inner tube 13 is provided inside the fixed outer tube 14.

[0047] A liquid storage hole 117 is provided inside the pipette housing 12, and the plunger rod 114 is slidably connected in the liquid storage hole 117. The interior of the pipette inner tube 13 is connected to the liquid storage hole 117. A sealing ring 113 and a ferrule 112 are sleeved on the pipette inner tube 13, and the ferrule 112 is located at the upper end of the sealing ring 113.

[0048] A limiting groove is provided at the upper end of the liquid storage hole 117 , and two limiting screws 118 are fixedly provided at the upper end of the limiting groove. The sealing ring 113 is slidably connected in the limiting groove, and the sealing ring 113 is located at the lower end of the limiting screws 118 .

[0049] The driving motor 15 can solve the problem of quick replacement of the pipette pump 1 in automated pipetting through wireless control and lithium battery power supply mode, thereby improving efficiency and accuracy and enabling the pipette pump 1 to be flexibly replaced.

[0050] A photoelectric sensor 111 is fixedly disposed on the rear end of the pipetting housing 12 , and the photoelectric sensor 111 is located at the rear side of the transmission slider 110 .

[0051] A pressure sensor 115 is fixedly provided on the front end of the pipetting housing 12 . The pressure sensor 115 is located at the front end of the liquid storage hole 117 . The pressure sensor 115 is in contact with the liquid storage hole 117 . The lower end of the pipetting inner tube 13 is externally connected to a liquid pipetting head.

[0052] The pressure sensor 115 is used to detect whether the liquid storage hole 117 is in a liquid storage state. No external wires are required. It is suitable for micro-sampling and is convenient for replacing a higher-precision pipette pump 1. A pipette pump 1 can be removed separately for charging or maintenance, which is convenient for maintenance or replacement.

[0053] The charging base 2 includes a placement shell 21, a bottom base 22 and two charging connectors 28. The placement shell 21 is detachably connected to the upper end of the bottom base 22. The bottom base 22 is provided with two bottom holes 27. The placement shell 21 is provided with two placement grooves 25. The two placement grooves 25 correspond to the two bottom holes 27. Each placement groove 25 is provided with a placement hole 24.

[0054] Each placement slot 25 is provided with a charging slot 26 , and each charging slot 26 is connected with a charging connector 28 .

[0055] A charging port 23 is disposed at the front end of the housing 21 . The charging port 23 and two charging connectors 28 are electrically connected, and the charging port 23 is connected to an external power source.

[0056] The charging connector 28 matches with the charger 19 , the placement slot 25 matches with the lower driving housing 16 , and the placement hole 24 matches with the fixed outer tube 14 .

[0057] The charging stand 2 can charge a plurality of pipetting pumps 1 simultaneously, thereby increasing the charging speed. The charging stand 2 has the characteristics of small size and light weight, and is convenient for placement and transportation.

[0058] The working principle and use process of the present invention are as follows: the lower end of the inner pipette tube 13 is externally connected to the pipette head, and the external signal is transmitted to the control board 17, the control board 17 starts the driving motor 15, and the screw rod 116 is rotated to move the transmission slider 110 downward, and the photoelectric sensor 111 detects whether the transmission slider 110 is at the origin, and the pressure sensor 115 detects that the pressure value in the liquid storage hole 117 decreases;

[0059] When the fixed outer tube 14 is in the liquid, the controller starts the driving motor 15, the screw rod 116 rotates, drives the transmission slider 110 to move upward, drives the plunger rod 114 to move upward, and since the liquid storage hole 117 is in a sealed state at this time, the liquid is drawn from the pipette inner tube 13 into the liquid storage hole 117;

[0060] When the liquid transfer pump 1 moves to the designated position, the controller starts the driving motor 15, the screw rod 116 rotates, drives the transmission slider 110 to move downward, drives the plunger rod 114 to move downward, and transfers the liquid in the liquid storage hole 117 to the lower end of the liquid transfer inner tube 13, completing the liquid transfer operation;

[0061] When charging is required, the charging port 23 is connected to an external power source, and the two pipette pumps 1 are placed in the two charging slots 26 respectively, the two charging connectors 28 and the two chargers 19 are in contact with each other, and the two pipette pumps 1 are charged at the same time.

[0062] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A wireless liquid transfer air pump capable of being connected to the Internet of Things, characterized in that: It comprises a liquid transfer pump (1) and a charging stand (2), wherein the two liquid transfer pumps (1) are both located above the charging stand (2); The liquid transfer pump (1) comprises an upper power storage housing (11), a lower driving housing (16), a liquid transfer housing (12) and a fixed outer tube (14); the upper power storage housing (11) is detachably connected to the upper end of the lower driving housing (16); the liquid transfer housing (12) is detachably connected to the rear end of the lower driving housing (16); and the fixed outer tube (14) is detachably connected to the lower end of the lower driving housing (16); A control board (17) is disposed inside the lower driving housing (16), the rear end of the control board (17) is fixedly connected to the liquid transfer housing (12), a charger (19) is fixedly disposed at the lower end of the lower driving housing (16), an energy storage battery (18) is disposed inside the upper power storage housing (11), and the energy storage battery (18) and the control board (17) are electrically connected; A driving motor (15) is fixedly arranged at the upper end of the liquid transfer housing (12), a screw rod (116) is fixedly arranged at the lower end of the driving motor (15), a transmission slider (110) is slidably arranged on the screw rod (116), a plunger rod (114) is fixedly arranged at the lower end of the transmission slider (110), and a liquid transfer inner tube (13) is arranged inside the fixed outer tube (14); The interior of the pipetting housing (12) is provided with a liquid storage hole (117), the plunger rod (114) is slidably connected to the liquid storage hole (117), the interior of the pipetting inner tube (13) is connected to the liquid storage hole (117), and the pipetting inner tube (13) is provided with a sealing ring (113) and a ferrule (112), and the ferrule (112) is located at the upper end of the sealing ring (113); A limiting groove is provided at the upper end of the liquid storage hole (117), two limiting screws (118) are fixedly arranged at the upper end of the limiting groove, the sealing ring (113) is slidably connected in the limiting groove, and the sealing ring (113) is located at the lower end of the limiting screw (118); The charging seat (2) comprises a placement shell (21), a bottom seat (22) and two charging connectors (28); the placement shell (21) is detachably connected to the upper end of the bottom seat (22); the bottom seat (22) is provided with two bottom holes (27); the placement shell (21) is provided with two placement grooves (25); the two placement grooves (25) and the two bottom holes (27) correspond to each other; and each placement groove (25) is provided with a placement hole (24).

2. The wireless liquid transfer air pump capable of being connected to the Internet of Things according to claim 1, characterized in that: A photoelectric sensor (111) is fixedly arranged on the rear end of the liquid transfer housing (12), and the photoelectric sensor (111) is located on the rear side of the transmission slider (110).

3. The wireless liquid transfer air pump capable of being connected to the Internet of Things according to claim 1, characterized in that: A pressure sensor (115) is fixedly arranged on the front end of the liquid transfer housing (12); the pressure sensor (115) is located at the front end of the liquid storage hole (117); and the pressure sensor (115) is in contact with the liquid storage hole (117).

4. The wireless liquid transfer air pump capable of being connected to the Internet of Things according to claim 1, characterized in that: The lower end of the inner pipette tube (13) is externally connected to a pipette head.

5. The wireless liquid transfer air pump capable of being connected to the Internet of Things according to claim 1, characterized in that: Each of the placement slots (25) is provided with a charging slot (26), and the interior of each of the charging slots (26) is connected to the charging connector (28).

6. The wireless liquid transfer air pump capable of being connected to the Internet of Things according to claim 5, characterized in that: A charging port (23) is provided at the front end of the placement shell (21); the charging port (23) and the two charging connectors (28) are electrically connected; and the charging port (23) is connected to an external power source.

7. The wireless liquid transfer air pump capable of being connected to the Internet of Things according to claim 6, characterized in that: The charging connector (28) cooperates with the charger (19), the placement groove (25) cooperates with the lower drive housing (16), and the placement hole (24) cooperates with the fixed outer tube (14).

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