CN210135452U - Automatic continuous high-precision liquid filler - Google Patents
Automatic continuous high-precision liquid filler Download PDFInfo
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- CN210135452U CN210135452U CN201921076178.9U CN201921076178U CN210135452U CN 210135452 U CN210135452 U CN 210135452U CN 201921076178 U CN201921076178 U CN 201921076178U CN 210135452 U CN210135452 U CN 210135452U
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- peristaltic pump
- control module
- waste liquid
- tubule
- reservoir
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Abstract
The utility model provides an automatic continuous high accuracy liquid feeder, including the reservoir, waste liquid collector and control module, the open-top of reservoir and waste liquid collector is sealed through first sealed lid and the sealed lid of second respectively, the bottom of reservoir and waste liquid collector is equipped with the drain pipe, the drain pipe of reservoir and waste liquid collector passes through first peristaltic pump and second peristaltic pump respectively with get liquid container and arrange the waste liquid union coupling, sealing connection has first hydrophobicity tubule on the first sealed lid, solenoid valve connecting pipe and second hydrophobicity tubule, sealing connection has the second hydrophobicity tubule on the second sealed lid, first hydrophobicity tubule will wait to get solution and reservoir intercommunication, the solenoid valve connecting pipe communicates solenoid valve and outside air, solenoid valve initial state is normally closed state, the second hydrophobicity tubule communicates reservoir and waste liquid collector, this device simple structure, the liquid high accuracy is got in repetition, Prevent to wait to get the solution pollution, realized getting, flowing back in succession automatically, solved the not enough of prior art.
Description
Technical Field
The utility model relates to an automatic continuous high accuracy liquid filler.
Background
For example, chinese patent No. CN200720062652.3 discloses a high precision liquid charger for adding micro-volume solution in analytical detection, as shown in fig. 1, which comprises a test tube 23 and a container 1 for solution to be absorbed, a rubber stopper 22 is mounted at the upper port of the test tube 23, an air suction tube 21 passes through the rubber stopper 22 and one end of the air suction tube is communicated with the inside of the test tube 23, one end of a hydrophobic thin tube 19 passes through the rubber stopper 22 and the port of the hydrophobic thin tube is located in the test tube 23, the other end of the hydrophobic thin tube 19 is located in the solution to be absorbed in the container 1, but the structure of this patent results in that the hydrophobic thin tube 19 is easily pushed by external force to move the solution in the tube, the accuracy of liquid extraction is not good, and after liquid extraction, the excess liquid in the thin tube needs to be discharged from the hydrophobic thin tube 19, so that there is a possibility of contamination, and the repeated absorption may also contaminate the solution 1 to be absorbed, and the solution to be, the operation is complicated, the liquid taking can not be continuously carried out, when the waste liquid is discharged, the manual operation is needed, and the automatic continuous liquid adding can not be realized, so that a device is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough the utility model provides a liquid filler is high in repeated liquid precision of getting, prevent to wait to get solution pollution, realized getting in succession automatically, the automatic continuous high accuracy of flowing back.
The purpose of the utility model is realized by adopting the following technical scheme:
an automatic continuous high-precision liquid feeder comprises a liquid storage device, a waste liquid collector and a control module, wherein the top openings of the liquid storage device and the waste liquid collector are respectively sealed by a first sealing cover and a second sealing cover, the bottoms of the liquid storage device and the waste liquid collector are provided with liquid outlet pipes, the liquid outlet pipes of the liquid storage device and the waste liquid collector are respectively connected with a liquid taking container and a waste liquid discharging pipe by a first peristaltic pump and a second peristaltic pump, the first sealing cover is hermetically connected with a first hydrophobic tubule, an electromagnetic valve connecting pipe and a second hydrophobic tubule, the second sealing cover is hermetically connected with a second hydrophobic tubule, the first hydrophobic tubule is communicated with the liquid storage device to be used for taking solution, the electromagnetic valve connecting pipe is communicated with outside air, the electromagnetic valve initial state is a normally closed state, the second hydrophobic tubule is communicated with the liquid storage device and the waste, the control module is connected with the electromagnetic valve, the first peristaltic pump and the second peristaltic pump to control the opening and closing of the first peristaltic pump and the second peristaltic pump. By adopting the structure, the volume of the solution to be taken is determined by the depth of the second hydrophobic tubule extending into the liquid storage device, the liquid in the liquid storage device which is more than the volume of the solution to be taken is absorbed into the waste liquid collector through the second hydrophobic tubule, therefore, on one hand, the volume of liquid taking every time is kept consistent, the repeated liquid taking precision is high, on the other hand, the automatic discharge of waste liquid in the liquid taking process is realized, and through the electromagnetic valve, can control whether the liquid storage device is communicated with the outside air, realizes the conversion of taking liquid from the solution to be taken and taking the solution in the liquid storage device out to the liquid taking container by controlling the sealing in the liquid storage device, realizes the repeated liquid taking without moving the solution to be taken, and sucks the solution into the liquid taking container, thereby preventing the pollution of the backflow of the solution to be taken, the control module controls the opening and closing of the electromagnetic valve, the first peristaltic pump and the second peristaltic pump, and automatic control of the whole device is achieved.
Furthermore, the control module comprises a first time control module, a second time control module, a first switch and a second switch, the first switch is electrically connected with the first peristaltic pump and the electromagnetic valve through the first time control module, the second switch is electrically connected with the second peristaltic pump through the second time control module, the first time control module is used for controlling the opening time of the first peristaltic pump and the electromagnetic valve, and the second time control module is used for controlling the opening time of the second peristaltic pump.
Furthermore, the inner diameters of the first hydrophobic thin tube, the second hydrophobic thin tube, the first peristaltic pump pipeline and the second peristaltic pump pipeline are less than or equal to 1 mm.
Further, first sealed lid and the sealed stopper of second are the rubber buffer.
Furthermore, the liquid storage device and the waste liquid collector are both glass tubes or plastic tubes.
Owing to adopt above-mentioned structure, during this device adopted the second peristaltic pump to inhale the reservoir with solution through first hydrophobicity tubule, the reservoir passed through the connecting pipe with normally closed solenoid valve and links to each other, and during unnecessary solution was siphoned away and gets into the waste liquid collector, the solution of getting in the reservoir was siphoned away from the bottom through first peristaltic pump and is put into and get the liquid container, has prevented to treat the pollution of getting solution, when carrying out continuous imbibition, need not to remove and treat to get solution alright go on.
To sum up, the utility model discloses simple structure, get liquid precision repeatability not receive the environmental impact, need not to remove to wait to get solution alright realize repeatedly getting liquid and with solution suction container in, the waste liquid realizes automatic the emission getting the liquid in-process, has solved the not enough of prior art.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1-solution to be taken, 2-first hydrophobic tubule, 3-battery valve connecting pipe, 4-electromagnetic valve, 5-first sealing cover, 6-liquid storage device, 7-first peristaltic pump, 8-first time control module, 9-first switch, 10-liquid taking container, 11-second hydrophobic tubule, 12-second sealing cover, 13-waste liquid collector, 14-waste liquid discharging pipe, 15-second peristaltic pump, 16-second time control module and 17-second switch.
Detailed Description
The following detailed description of an embodiment of an automatic continuous high-precision liquid charger is made with reference to the accompanying drawings and specific examples.
As shown in fig. 2, an automatic continuous high-precision liquid charger comprises a liquid storage device 6, a waste liquid collector 13 and a control module, wherein the top openings of the liquid storage device 6 and the waste liquid collector 13 are respectively sealed by a first sealing cover 5 and a second sealing cover 12, the bottoms of the liquid storage device 6 and the waste liquid collector 13 are provided with liquid outlet pipes, the liquid outlet pipes of the liquid storage device 6 and the waste liquid collector 13 are respectively connected with a liquid taking container 6 and a waste liquid discharging pipe 14 by a first peristaltic pump 7 and a second peristaltic pump 15, the first sealing cover 5 is hermetically connected with a first hydrophobic tubule 2, an electromagnetic valve connecting pipe 3 and a second hydrophobic tubule 11, the second sealing cover 12 is hermetically connected with a second hydrophobic tubule 11, the first hydrophobic tubule 2 communicates a solution 1 to be taken with the liquid storage device 6, the electromagnetic valve connecting pipe 3 communicates an electromagnetic valve 4 with the outside air, the initial state of the electromagnetic valve 4 is a, second hydrophobicity tubule 11 communicates reservoir 6 with waste liquid collector 13, control module includes first time control module 8, second time control module 16, first switch 9 and second switch 17, first switch 9 is connected with first peristaltic pump 7 and solenoid valve 4 electricity through first time control module 8, first time control module 8 is used for controlling the time of opening of first peristaltic pump 7 and solenoid valve 4, and open time controls its closure after arriving, second switch 17 is connected with second peristaltic pump 15 electricity through second time control module 16, second time control module 16 is used for controlling the time that second peristaltic pump 15 opened, and open time can set for by oneself as required in first time control module 8 and the second time control module 16.
In this embodiment, the first and second hydrophobic tubules and the first and second peristaltic pump pipes have inner diameters of not more than 1mm, the first and second sealing caps are rubber stoppers, and the liquid storage device 6 and the waste liquid collector 13 are both glass tubes or plastic tubes.
In another embodiment of this embodiment, a plurality of reservoirs and a main body structure are connected to the waste liquid collector 13 via hydrophobic narrow tubes, so that a plurality of solutions of the same volume or different volumes and the same solution or different solutions are taken. If continuous liquid extraction is needed, the steps can be repeated.
In operation, the second switch 17 is activated, the second time control module 16 starts to operate, the second peristaltic pump 15 is activated to suck the solution 1 to be taken into the liquid storage device 6 through the hydrophobic tubule 2, the redundant solution enters the waste liquid collector 13 through the second hydrophobic tubule 11 and is discharged through the waste liquid discharge pipe 14, and the waste liquid can be discharged through the waste liquid discharge pipe 14. After the second peristaltic pump 15 is stopped, the first switch 9 is started, the first time control module 8 starts to work, the normally closed electromagnetic valve 4 is opened while the first peristaltic pump 7 is started, the liquid storage device 6 is of a non-sealing structure, the solution enters the container 10 to be sucked into the solution from the third hydrophobic thin tube 18 through the first peristaltic pump 7, and after the first peristaltic pump 7 is stopped, liquid taking is completed.
The foregoing is a preferred embodiment of the present invention, but it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides an automatic continuous high accuracy liquid filler which characterized in that: including reservoir, waste liquid collector and control module, the open-top of reservoir and waste liquid collector is sealed through first sealed lid and the sealed lid of second respectively, the bottom of reservoir and waste liquid collector is equipped with the drain pipe, the drain pipe of reservoir and waste liquid collector through first peristaltic pump and second peristaltic pump respectively with get the liquid container and arrange the waste liquid union coupling, sealing connection has first hydrophobicity tubule, solenoid valve connecting pipe and second hydrophobicity tubule on the first sealed lid, sealing connection has second hydrophobicity tubule on the second sealed lid, first hydrophobicity tubule will wait to get solution and reservoir intercommunication, the solenoid valve connecting pipe communicates solenoid valve and external air, solenoid valve initial state is the normal close state, second hydrophobicity tubule communicates reservoir and waste liquid collector, control module and solenoid valve, control module, The first peristaltic pump and the second peristaltic pump are connected to control the opening and closing of the first peristaltic pump and the second peristaltic pump.
2. The automatic continuous high-precision liquid charger according to claim 1, characterized in that: the control module comprises a first time control module, a second time control module, a first switch and a second switch, the first switch is electrically connected with the first peristaltic pump and the electromagnetic valve through the first time control module, the second switch is electrically connected with the second peristaltic pump through the second time control module, the first time control module is used for controlling the opening time of the first peristaltic pump and the electromagnetic valve, and the second time control module is used for controlling the opening time of the second peristaltic pump.
3. The automatic continuous high-precision liquid charger according to claim 1, characterized in that: the inner diameters of the first hydrophobic thin tube, the second hydrophobic thin tube, the first peristaltic pump pipeline and the second peristaltic pump pipeline are less than or equal to 1 mm.
4. The automatic continuous high-precision liquid charger according to claim 1, characterized in that: the first sealing cover and the second sealing cover are rubber stoppers.
5. The automatic continuous high-precision liquid charger according to claim 1, characterized in that: the liquid storage device and the waste liquid collector adopt glass tubes or plastic tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076178.9U CN210135452U (en) | 2019-07-10 | 2019-07-10 | Automatic continuous high-precision liquid filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076178.9U CN210135452U (en) | 2019-07-10 | 2019-07-10 | Automatic continuous high-precision liquid filler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210135452U true CN210135452U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921076178.9U Active CN210135452U (en) | 2019-07-10 | 2019-07-10 | Automatic continuous high-precision liquid filler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210135452U (en) |
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2019
- 2019-07-10 CN CN201921076178.9U patent/CN210135452U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: West end, no.6, green road, German Industrial Park, high tech Zone, Xiangtan City, Hunan Province Patentee after: Xiangtan Keyi Instrument Co., Ltd Address before: 411228 phase 2, xinjifuwan, Yisuhe Town, Xiangtan County, Xiangtan City, Hunan Province Patentee before: Qi Xiang |