Multi-stage automatic control device for medicament addition

Abstract

The utility model discloses a multi-stage automatic control device for medicament adding, which relates to the technical field of medicament adding and comprises a medicament cylinder, a water pump is arranged in the medicament cylinder and connected with an accurate measuring cylinder through a connecting pipe, a one-way valve is arranged on the connecting pipe, a reflux inlet is arranged on one side of the accurate measuring cylinder, and a water outlet is arranged on the other side of the accurate measuring cylinder. The backflow port is sleeved with a backflow pipe, the end, away from the backflow port, of the backflow pipe is connected with the pesticide cylinder, a second water pump and an electromagnetic valve are arranged on the backflow pipe, one end of the accurate measuring cylinder is connected with an electric telescopic rod, and the output end of the electric telescopic rod is connected with a piston; and the other end of the accurate measuring cylinder is provided with a medicine discharge port. According to the utility model, the return pipe is arranged on the accurate measuring cylinder, so that redundant liquid medicine compared with a preset standard can flow back to the medicine cylinder, the phenomenon of excessive dosing is avoided, the liquid medicine in the accurate measuring cylinder can be completely discharged through the arrangement of the electric telescopic rod and the piston of the electric telescopic rod, residues are avoided, the use effect of the device is effectively improved, and the practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of medicament addition, in particular to a multi-stage automatic control device for medicament addition. Background Art

[0002] At present, automatic addition of liquid medicines mostly uses metering equipment to achieve accurate addition, mainly metering pumps, flow meters, etc.

[0003] However, the existing device is not accurate enough in controlling the amount of medicine added, and it is easy for medicine liquid to remain in the medicine discharge pipeline, which also affects the accuracy. Therefore, the utility model proposes a multi-level automatic control device for medicine addition. Utility Model Content

[0004] Technical issues solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a multi-stage automatic control device for adding medicaments.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage automatic control device for adding medicine, comprising a medicine cartridge, a water pump is arranged inside the medicine cartridge, the water pump is connected to a measuring cylinder through a connecting pipe, a one-way valve is arranged on the connecting pipe, a reflux port is arranged on one side of the measuring cylinder, a reflux pipe is sleeved on the reflux port, one end of the reflux pipe away from the reflux port is connected to the medicine cartridge, and a water pump 2 and a solenoid valve are arranged on the reflux pipe;

[0008] One end of the measuring cylinder is connected to an electric telescopic rod, and the output end of the electric telescopic rod is connected to a piston; the other end of the measuring cylinder is provided with a discharge port, one side of the discharge port is connected to an emptying pipe, an emptying drive mechanism is provided on the emptying pipe, and a second one-way valve is provided on the emptying pipe.

[0009] Preferably, a medicine discharge pipe is sleeved on the medicine discharge port.

[0010] Preferably, the emptying drive mechanism comprises an electric telescopic rod 2 installed on the emptying pipe, a piston rod fixedly connected to the output end of the electric telescopic rod 2, one end of the piston rod is connected to a piston 2, and the piston 2 is adapted to the emptying pipe.

[0011] Preferably, the emptying drive mechanism includes an air pump connected to one side of the emptying pipeline.

[0012] Preferably, it also includes a control mainboard, on which a controller, a water pump control module, a second water pump control module, a solenoid valve control module, an electric telescopic rod control module and an emptying drive mechanism control module are integrated.

[0013] Preferably, a liquid level sensor is provided in the measuring cylinder, and the liquid level sensor is connected to the control main board pad.

[0014] Preferably, the emptying drive mechanism control module is an electric telescopic rod second control module, which is used to control the state of the electric telescopic rod second.

[0015] Preferably, the emptying drive mechanism control module is an air pump control module, which is used to control the state of the air pump.

[0016] Beneficial effects:

[0017] Compared with the prior art, the multi-stage automatic control device for adding medicaments has the following beneficial effects:

[0018] 1. The utility model provides a reflux pipe on the measuring cylinder, which can return the excess liquid medicine than the preset standard to the cylinder to avoid the phenomenon of over-dosing. The setting of the electric telescopic rod and its piston can discharge the liquid medicine in the measuring cylinder cleanly to avoid residue, effectively improving the use effect of the device and enhancing the practicability of the device.

[0019] 2. The utility model is provided with a medicine discharge port, and an emptying pipe and an emptying drive mechanism are provided on one side of the medicine discharge port. When in use, the residual medicine liquid in the medicine discharge pipe can be emptied to avoid the medicine liquid remaining in the pipe, and the accuracy of adding medicine is improved, thereby further improving the use effect of the device and enhancing the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the utility model in which the emptying drive mechanism is an electric telescopic rod 2;

[0021] Figure 2 For this utility model Figure 1 Schematic diagram of the local structure;

[0022] Figure 3 This is a schematic diagram of the structure of the utility model in which the emptying drive mechanism is an air pump;

[0023] Figure 4 For this utility model Figure 3 Schematic diagram of the local structure.

[0024] In the figure:

[0025] 1. Medicine cartridge; 2. Water pump; 3. Connecting pipe; 4. Measuring cylinder; 5. Reflux port; 6. Reflux pipe; 7. Water pump 2; 8. Solenoid valve; 9. Electric telescopic rod; 10. Piston; 11. Medicine discharge port; 12. Emptying pipe; 13. Emptying drive mechanism; 14. Check valve 2; 15. Medicine discharge pipe; 301. Check valve; 1301. Electric telescopic rod 2; 1302. Piston rod; 1303. Piston 2; 1304. Air pump; 401. Liquid level sensor. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 to Figure 4 As shown, the utility model provides a technical solution: a multi-stage automatic control device for adding medicine, comprising a cartridge 1, a water pump 2 is arranged inside the cartridge 1, the water pump 2 is connected to a measuring cylinder 4 through a connecting pipe 3, a one-way valve 301 is arranged on the connecting pipe 3, a reflux port 5 is arranged on one side of the measuring cylinder 4, a reflux pipe 6 is sleeved on the reflux port 5, the end of the reflux pipe 6 away from the reflux port 5 is connected to the cartridge 1, a water pump 7 and a solenoid valve 8 are arranged on the reflux pipe 6, by arranging the reflux pipe 6 on the measuring cylinder 4, excess medicine liquid than the preset standard can be refluxed to the cartridge 1, avoiding the phenomenon of over-dosing, the arrangement of the electric telescopic rod 9 and its piston 10 can discharge the medicine liquid in the measuring cylinder 4 cleanly to avoid residue, effectively improve the use effect of the device, and enhance the practicability of the device.

[0028] One end of the measuring cylinder 4 is connected to an electric telescopic rod 9, and the output end of the electric telescopic rod 9 is connected to a piston 10; the other end of the measuring cylinder 4 is provided with a medicine discharge port 11, and one side of the medicine discharge port 11 is connected to an emptying pipe 12, and the emptying pipe 12 is provided with an emptying drive mechanism 13, and a one-way valve 14 is provided on the emptying pipe 12. By setting the medicine discharge port 11, a medicine discharge pipe 15 is sleeved on the medicine discharge port 11, and the emptying pipe 12 and the emptying drive mechanism 13 are provided on one side of the medicine discharge port 11, the residual medicine liquid in the medicine discharge pipe 15 can be emptied when in use, avoiding the medicine liquid remaining in the pipe, and improving the accuracy of the addition of the medicine, further improving the use effect of the device, and enhancing the practicability of the device.

[0029] Please pay attention to Figure 1 and Figure 2, Embodiment 1 of the emptying drive mechanism 13, the emptying drive mechanism 13 includes an electric telescopic rod 2 1301 installed on the emptying pipe 12, a piston rod 1302 fixedly connected to the output end of the electric telescopic rod 2 1301, one end of the piston rod 1302 is connected to a piston 2 1303, the piston 2 1303 is adapted to the emptying pipe 12, and the emptying drive mechanism control module is an electric telescopic rod 2 control module, which is used to control the state of the electric telescopic rod 2.

[0030] Please pay attention to Figure 3 and Figure 4 , Embodiment 2 of the emptying drive mechanism 13, the emptying drive mechanism 13 includes an air pump 1304 connected to one side of the emptying pipe 12, and the emptying drive mechanism control module is an air pump control module for controlling the state of the air pump.

[0031] The present application also includes a control main board, on which a controller, a water pump control module, a water pump second control module, a solenoid valve control module, an electric telescopic rod control module and an emptying drive mechanism control module are integrated. A liquid level sensor 401 is provided in the measuring cylinder 4, and the liquid level sensor 401 is connected to the control main board pad.

[0032] Working principle: By setting a reflux pipe 6 on the measuring cylinder 4, the excess medicine liquid than the preset standard can be returned to the medicine cylinder 1 to avoid the phenomenon of over-dosing. The setting of the electric telescopic rod 9 and its piston 10 can discharge the medicine liquid in the measuring cylinder 4 cleanly to avoid residue. An emptying pipe 12 and an emptying drive mechanism 13 are set on one side of the medicine discharge port 11. When in use, the residual medicine liquid in the medicine discharge pipe 15 can be emptied to avoid the medicine liquid remaining in the pipe and improve the accuracy of the addition of the medicine.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage automatic control device for adding a medicine, comprising a medicine cartridge (1), wherein a water pump (2) is arranged inside the medicine cartridge (1), characterized in that: The water pump (2) is connected to the measuring cylinder (4) via a connecting pipe (3), a one-way valve (301) is provided on the connecting pipe (3), a reflux port (5) is provided on one side of the measuring cylinder (4), a reflux pipe (6) is sleeved on the reflux port (5), an end of the reflux pipe (6) away from the reflux port (5) is connected to the cartridge (1), and a water pump 2 (7) and a solenoid valve (8) are provided on the reflux pipe (6); One end of the measuring cylinder (4) is connected to an electric telescopic rod (9), and the output end of the electric telescopic rod (9) is connected to a piston (10); the other end of the measuring cylinder (4) is provided with a drug discharge port (11), one side of the drug discharge port (11) is connected to an emptying pipe (12), an emptying drive mechanism (13) is provided on the emptying pipe (12), and a second one-way valve (14) is provided on the emptying pipe (12).

2. A multi-stage automatic control device for adding a drug according to claim 1, characterized in that: The medicine discharge port (11) is sleeved with a medicine discharge pipe (15).

3. The multi-stage automatic control device for adding a drug according to claim 1, characterized in that: The emptying drive mechanism (13) comprises an electric telescopic rod 2 (1301) mounted on the emptying pipe (12), a piston rod (1302) fixedly connected to the output end of the electric telescopic rod 2 (1301), one end of the piston rod (1302) being connected to a piston 2 (1303), and the piston 2 (1303) being adapted to the emptying pipe (12).

4. The multi-stage automatic control device for adding a drug according to claim 1, characterized in that: The emptying drive mechanism (13) comprises an air pump (1304) connected to one side of the emptying pipe (12).

5. The multi-stage automatic control device for adding a drug according to claim 1, characterized in that: It also includes a control mainboard, on which a controller, a water pump control module, a second water pump control module, a solenoid valve control module, an electric telescopic rod control module and an emptying drive mechanism control module are integrated.

6. The multi-stage automatic control device for adding a drug according to claim 1, characterized in that: The measuring cylinder (4) is provided with a liquid level sensor (401), and the liquid level sensor (401) is connected to the control main board pad.

7. The multi-stage automatic control device for adding a drug according to claim 1, characterized in that: The emptying drive mechanism control module is an electric telescopic rod second control module, which is used to control the state of the electric telescopic rod second.

8. The multi-stage automatic control device for adding a drug according to claim 1, characterized in that: The emptying drive mechanism control module is an air pump control module, which is used to control the state of the air pump.

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