CN110792571B - A micro-fluid intelligent metering and pumping system - Google Patents

A micro-fluid intelligent metering and pumping system Download PDF

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Publication number
CN110792571B
CN110792571B CN201911093098.9A CN201911093098A CN110792571B CN 110792571 B CN110792571 B CN 110792571B CN 201911093098 A CN201911093098 A CN 201911093098A CN 110792571 B CN110792571 B CN 110792571B
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micro
chassis
lid
raw material
foot switch
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CN110792571A (en
Inventor
莫帅
杨振宁
宋裕玲
宋文浩
侯茂祥
李旭
岳宗享
邹振兴
党合玉
石丽娟
李娜
钱妮妮
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Tiangong University
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Tianjin Polytechnic University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

本发明提出了一种微量流体智能计量泵送系统，其特征在于微量泵机箱上方设置有把手，机箱正面设置有液晶触控屏，机箱背面设置有开关按钮、散热口、Wi‑Fi模块、多机连接口、RS485通讯接口、电源接口、脚踏开关接口，电源接口通过电线与电源插头连接，脚踏开关接口通过电线与脚踏开关连接，步进电机安装在机箱里；有益效果是结构独特，可对流体流量精确控制，流体隔离于硅胶管中不进入泵体安全可靠，可用于医疗、科研及工业领域流体输送，具有非常广阔的商业前景，既可以填补相关技术空白，又可产生较大的社会效益与经济效益。

The invention proposes a micro-fluid intelligent metering pumping system, which is characterized in that a handle is provided above the micro-pump chassis, a liquid crystal touch screen is provided on the front of the chassis, and a switch button, a heat dissipation vent, a Wi-Fi module, and multiple switches are provided on the back of the chassis. Machine connection port, RS485 communication interface, power interface, foot switch interface, the power interface is connected to the power plug through wires, the foot switch interface is connected to the foot switch through wires, and the stepper motor is installed in the chassis; the beneficial effect is that the structure is unique , can accurately control the fluid flow. The fluid is isolated in the silicone tube and does not enter the pump body. It is safe and reliable. It can be used for fluid transportation in the medical, scientific research and industrial fields. It has very broad commercial prospects. It can not only fill the relevant technical gaps, but also produce more Great social and economic benefits.

Description

Intelligent metering pumping system for trace fluid
Technical Field
The invention relates to the technical field of micro-pumping, in particular to an intelligent metering pumping system for micro-fluid.
Background
The micropump is a new industrial pump, which is a product developed in modern industry, and is widely used in pharmaceutical, food, chemical and other industries to convey some media with sensitivity, viscosity, strong corrosiveness, grinding effect, high purity requirement and containing a certain amount of granular materials. The silicone tube is a liquid receiving element in the micro pump, and the micro pump works by extruding the silicone tube through a rotor, which means that the micro pump can dry rotate, self-suction and process high-viscosity and high-abrasion media. In addition, the silicone tube is used as an independent unit, the pump body does not need to be sealed, leakage is avoided, and the pump is clean and sanitary. The preset fixed flow rate is output every time of rotation, which makes the micropump have outstanding performance in dosing applications.
The micro pump works by means of pumping efficiency generated by alternately extruding and releasing a plurality of rotors along a silicone tube. When the extruded fluid in the tube generates flow output and the pressure disappears and the tube is restored by self elasticity, the volume is increased, vacuum is generated, the fluid is sucked, and the fluid enters the container through the silica gel tube.
At present, a laboratory performs chemical tests and solution drop tests, and in many occasions, the flow or the flow rate needs to be accurately controlled, and some chemicals are dangerous and explosive and need to be isolated in a container.
In order to solve the problems of poor controllability, low accuracy, difficult operation and the like in the traditional scientific research experiments, the invention provides an intelligent micro-fluid metering and pumping system which is novel in structure, low in cost and wide in application scene, and can meet the requirements of scientific research experiments and industrial fluid conveying application.
Disclosure of Invention
In order to meet the requirements of various aspects of society on intelligent fluid conveying equipment, the intelligent metering pumping system is controllable when chemical experiments are carried out, the intelligent metering pumping system is novel in structure, innovative and unique, an integrated structural design is adopted, a raw material kettle and a reaction kettle are communicated through a silicone tube and a micro pump, and the micro pump carries out quantitative conveying of fluid.
The intelligent metering and pumping system for the micro fluid is characterized in that a handle is arranged above a micro pump case, a liquid crystal touch screen is arranged on the front surface of the case, a switch button, a heat radiation port, a Wi-Fi module, a multi-machine connection port, an RS485 communication interface, a power interface and a foot switch interface are arranged on the back surface of the case, the power interface is connected with a power plug through an electric wire, the foot switch interface is connected with a foot switch through an electric wire, and a stepping motor is arranged in the case;
an output shaft of the stepping motor is connected with a rotor in the micro pump, a silica gel tube penetrates through the micro pump and is placed on the upper surface of the rotor of the micro pump, one end of the silica gel tube is connected to a discharge hole on a raw material kettle cover, and the silica gel tube penetrates through the discharge hole to enter the raw material kettle;
the discharging hole is in the middle of the outside of the barrel cover through threaded connection, the pressure gauge, the safety valve and the silencer are also in the outside of the barrel cover through threaded connection, the barrel cover is distributed around the discharging hole, the barrel cover is placed on the raw material kettle, the pin shaft penetrates through an annular hole at one end of the locking screw rod, the locking screw rod is fixed on the barrel body, one end of the locking screw rod with threads is matched with the hanging nut, and the barrel cover is fixed on the barrel body of the raw material kettle;
the other end of the silicone tube is connected to a feed inlet on the reaction kettle barrel cover, the feed inlet is connected to the reaction kettle barrel cover through threads, a nozzle is arranged on the inner side of the reaction kettle barrel cover, and the nozzle is communicated with the feed inlet.
Furthermore, the front of the micro-pump case is provided with a liquid crystal touch screen for touch control, the back of the micro-pump case is provided with a Wi-Fi module controlled by a mobile phone APP, and the back of the micro-pump case is connected with a foot switch for pause and shutdown control.
Further, the silica gel tube is pressed and arranged on the rotor inside the micro pump, and the speed of the rotor controls the flow rate of fluid in the silica gel tube.
Furthermore, one end of the silica gel pipe is connected to a feeding hole of the reaction kettle, and is communicated with a nozzle arranged on the inner side of the cover of the reaction kettle through the feeding hole.
Furthermore, a nozzle is arranged on the inner side of the reaction kettle barrel cover, an annular groove is additionally arranged, a sealing ring is embedded in the annular groove, and a pressure gauge, a safety valve and a silencer are additionally arranged above the outer side of the reaction kettle barrel cover.
Still further, the other end of the silica gel pipe extends into the bottom of the raw material kettle through a discharge hole.
Furthermore, the inner side of the raw material kettle cover is also provided with an annular groove, a sealing ring is embedded in the annular groove, and a pressure gauge, a safety valve and a silencer are arranged above the outer side of the raw material kettle cover.
Compared with the prior equipment, the invention has the following beneficial effects: the liquid crystal display device has the advantages of high speed and high precision in fluid transmission, can perform various operation modes, can perform touch control on a liquid crystal touch screen, can perform control by using a Wi-Fi module and a mobile phone, can also perform pause and end process control by using a foot switch, has wide application fields, and can be used in laboratories, scientific research institutions, chemical pharmaceutical institutions and the like. Has very wide commercial prospect and can generate larger social benefit and economic benefit.
Drawings
Fig. 1 is a micro-fluid intelligent metering pumping system.
FIG. 2 is a cross-sectional view of the reaction vessel.
Fig. 3 is a rear view of the micropump housing.
In fig. 1-3:
1. a power plug; 2. A foot switch; 3. A chassis;
4. a liquid crystal touch screen; 5. A pressure gauge; 6. A safety valve;
7. a muffler; 8. A barrel cover; 9. Hanging a parent;
10. a discharge port; 11. Locking the screw rod; 12. A pin shaft;
13. a raw material kettle; 14. A micro pump; 15. A silicone tube;
16. a feed inlet; 17. A reaction kettle; 18. A seal ring;
19. a nozzle; 20. A heat radiation port; 21. An RS485 communication interface;
22. a Wi-Fi module; 23. A foot switch interface; 24. A switch button;
25. a power interface; 26. And a multi-machine connecting port.
Detailed Description
Embodiments of the present invention are described with reference to the accompanying drawings, and the present invention will be specifically described with reference to fig. 1 to 3.
The utility model provides a micro fluid intelligent metering pumping system, including power plug 1, foot switch 2, quick-witted case 3, liquid crystal touch screen 4, manometer 5, relief valve 6, muffler 7, bung 8, hang female 9, discharge gate 10, locking screw 11, round pin axle 12, raw materials cauldron 13, micro pump 14, silicone tube 15, pan feeding mouth 16, reation kettle 17, sealing washer 18, nozzle 19, thermovent 20, RS485 communication interface 21, wi-Fi module 22, foot switch interface 23, shift knob 24, power interface 25, multimachine connector 26.
The front of the case 3 is provided with a liquid crystal touch screen 4 and a micropump 14, the back of the case 3 is provided with a switch button 24, a heat dissipation port 20, a Wi-Fi module 22, a multi-machine connection port 26, an RS485 communication interface 21, a power interface 25 and a foot switch interface 23, the power interface 25 is connected with the power plug 1 through an electric wire, the foot switch interface 23 is connected with the foot switch 2 through an electric wire, and a stepping motor is arranged in the case 3.
The output shaft of the stepping motor is connected with a rotor in the micropump 14, the micropump 14 is arranged right in front of the chassis 3, the silicone tube 15 penetrates through the micropump 14 and is placed on the rotor of the micropump 14, one end of the silicone tube 15 is connected to the discharge hole 10 on the barrel cover of the raw material kettle 13, and the silicone tube 15 penetrates through the discharge hole 10 and enters the raw material kettle 13.
The discharge port 10 is in the middle of the outside of the barrel cover 8 through threaded connection, the pressure gauge 5, the safety valve 6 and the silencer 7 are also in the outside of the barrel cover 8 through threaded connection and distributed around the discharge port 10, the barrel cover 8 is placed on the raw material kettle 13, the pin shaft 12 penetrates through an annular hole at one end of the locking screw 11, and the locking screw 11 is fixed on the barrel body.
One end of the locking screw 11 with threads is matched with the hanging nut 9, the barrel cover 8 is fixed on the raw material kettle body, the other end of the silica gel tube 15 is connected to a feed inlet 16 on the barrel cover of the reaction kettle 17, the feed inlet 16 is connected on the barrel cover of the reaction kettle 17 through threads, a nozzle 19 is arranged on the inner side of the barrel cover of the reaction kettle 17, the nozzle 19 is communicated with the feed inlet 16, and other parts of the reaction kettle 17 are arranged in the same way as the raw material kettle 13.
The present invention is not limited to the preferred embodiments described above, and any modifications, alterations and equivalent changes to the above embodiments according to the present invention are within the scope of the present invention.

Claims (1)

1.一种微量流体智能计量泵送系统，其特征在于微量泵机箱上方设置有把手，机箱正面设置有液晶触控屏，机箱背面设置有开关按钮、散热口、Wi-Fi模块、多机连接口、RS485通讯接口、电源接口、脚踏开关接口，电源接口通过电线与电源插头连接，脚踏开关接口通过电线与脚踏开关连接，步进电机安装在机箱里；1. A micro-fluid intelligent metering and pumping system, characterized in that a handle is provided above the micro-pump chassis, an LCD touch screen is provided on the front of the chassis, and a switch button, a heat dissipation vent, a Wi-Fi module, and a multi-machine connection are provided on the back of the chassis. port, RS485 communication interface, power interface, and foot switch interface. The power interface is connected to the power plug through a wire, the foot switch interface is connected to the foot switch through a wire, and the stepper motor is installed in the chassis; 步进电机的输出轴与微量泵中的转子相连，硅胶管穿过微量泵，放置于微量泵转子上表面，硅胶管一端连接到原料釜桶盖上的出料口，硅胶管穿过出料口进入原料釜内；The output shaft of the stepper motor is connected to the rotor in the micropump. The silicone tube passes through the micropump and is placed on the upper surface of the micropump rotor. One end of the silicone tube is connected to the discharge port on the lid of the raw material kettle. The silicone tube passes through the discharge port. into the raw material kettle; 出料口通过螺纹连接在桶盖外侧正中间，压力表、安全阀、消音器也通过螺纹连接在桶盖外侧，分布在出料口四周，桶盖放置在原料釜上，销轴穿过锁紧螺杆一端环孔，将锁紧螺杆固定在桶身上，锁紧螺杆带有螺纹一端与吊母相配合，将桶盖固定在原料釜桶身上；The discharge port is threaded in the middle of the outside of the barrel cover. The pressure gauge, safety valve, and silencer are also threaded in the outside of the barrel cover and distributed around the discharge port. The barrel cover is placed on the raw material kettle, and the pin passes through the lock. There is a ring hole at one end of the tightening screw to fix the locking screw on the barrel body. The threaded end of the locking screw matches the hanging nut to fix the barrel lid on the raw material kettle barrel; 所述硅胶管另一端连接到反应釜桶盖上的入料口，经入料口与安装在反应釜桶盖内侧的喷嘴相通，入料口通过螺纹连接在反应釜桶盖上，另有喷嘴安装在反应釜桶盖内侧，喷嘴与入料口相通；The other end of the silicone tube is connected to the feed inlet on the reaction kettle lid, and communicates with the nozzle installed on the inside of the reactor lid through the feed inlet. The feed inlet is connected to the reactor lid through threads, and there is another nozzle. Installed on the inside of the reactor lid, the nozzle is connected to the feed inlet; 所述微量泵机箱正面设置有液晶触控屏进行触控控制，微量泵机箱后面设置有Wi-Fi模块通过手机APP控制，微量泵机箱后面连接有脚踏开关进行暂停和关机控制；The front of the micro pump case is equipped with an LCD touch screen for touch control, the back of the micro pump case is equipped with a Wi-Fi module for control through a mobile APP, and the back of the micro pump case is connected with a foot switch for pause and shutdown control; 所述反应釜桶盖内侧安装有喷嘴，另有环形凹槽、内嵌有密封圈，反应釜桶盖外侧上方安装有压力表、安全阀、消音器，原料釜桶盖内侧亦有环形凹槽、内嵌有密封圈，原料釜桶盖外侧上方安装有压力表、安全阀、消音器。There is a nozzle installed on the inside of the reaction kettle lid, and there is an annular groove with a sealing ring embedded in it. A pressure gauge, a safety valve, and a silencer are installed on the outside of the reaction kettle lid. There is also an annular groove on the inside of the raw material kettle lid. , a sealing ring is embedded inside, and a pressure gauge, safety valve, and silencer are installed on the outside of the raw material kettle lid.
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CN110792571B true CN110792571B (en) 2023-10-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2533067Y (en) * 2000-12-22 2003-01-29 李力 Bacterial filling device
CN106390817A (en) * 2016-08-31 2017-02-15 无锡东恒新能源科技有限公司 Stirring kettle-based high-viscosity carbon nanotube slurry preparation system
CN206375147U (en) * 2016-12-06 2017-08-04 安徽浩大淀粉加工有限公司 A kind of glass noodle processing slurries slurry storing tank
CN209113458U (en) * 2018-10-30 2019-07-16 廊坊康宝汇泰生物技术有限公司 Bulking system
CN210919405U (en) * 2019-11-11 2020-07-03 天津工业大学 Novel intelligent metering micro-pump fluid conveying system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2533067Y (en) * 2000-12-22 2003-01-29 李力 Bacterial filling device
CN106390817A (en) * 2016-08-31 2017-02-15 无锡东恒新能源科技有限公司 Stirring kettle-based high-viscosity carbon nanotube slurry preparation system
CN206375147U (en) * 2016-12-06 2017-08-04 安徽浩大淀粉加工有限公司 A kind of glass noodle processing slurries slurry storing tank
CN209113458U (en) * 2018-10-30 2019-07-16 廊坊康宝汇泰生物技术有限公司 Bulking system
CN210919405U (en) * 2019-11-11 2020-07-03 天津工业大学 Novel intelligent metering micro-pump fluid conveying system

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