CN105201862A - Automatic liquid pouring device of liquid transfer pump - Google Patents

Automatic liquid pouring device of liquid transfer pump Download PDF

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Publication number
CN105201862A
CN105201862A CN201410279277.2A CN201410279277A CN105201862A CN 105201862 A CN105201862 A CN 105201862A CN 201410279277 A CN201410279277 A CN 201410279277A CN 105201862 A CN105201862 A CN 105201862A
Authority
CN
China
Prior art keywords
liquid
vacuum pump
knockout drum
pump
infusion pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410279277.2A
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Chinese (zh)
Inventor
何建设
黄忠耀
屈海利
蔡利海
任伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oil Research Institute of General Logistic Department of PLA
Original Assignee
Oil Research Institute of General Logistic Department of PLA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oil Research Institute of General Logistic Department of PLA filed Critical Oil Research Institute of General Logistic Department of PLA
Priority to CN201410279277.2A priority Critical patent/CN105201862A/en
Publication of CN105201862A publication Critical patent/CN105201862A/en
Pending legal-status Critical Current

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Abstract

The invention provides an automatic liquid pouring device of a liquid transfer pump. The automatic liquid pouring device comprises a vacuum pump, a gas-liquid separation tank and a control system. The vacuum pump is connected with the liquid transfer pump through the gas-liquid separation tank. A closing device for blocking a channel connected with the vacuum pump after liquid in the liquid transfer pump enters the gas-liquid separation tank is arranged in the gas-liquid separation tank. The control system is used for stopping running of the vacuum pump when the channel of the vacuum pump is blocked by the closing device. Due to the fact that the gas-liquid separation tank is adopted in the automatic liquid pouring device, the vacuum pump stops working in time after the liquid transfer pump achieves the aim of liquid pouring, and liquid is prevented from overflowing or entering the vacuum pump.

Description

A kind of automatic filling liquid device of infusion pump
Technical field
The present invention relates to infusion pump field, particularly relate to a kind of automatic filling liquid device of infusion pump.
Background technique
Vehicle carried type or fixed centrifugal infusion pump operationally need to be discharged by the air of inside and fill liquid and could work.In prior art, the general vacuum pump that adopts vacuumizes infusion pump and pump priming operation, but vacuum pump complete vacuumize operation after can not be out of service in time, cause Liquid return filling or be discharged to outside pump.In addition also to have and adopt sliding vane pump to carry out pump priming operation to infusion pump, but sliding vane pump exist take up room large, noise is large and high in cost of production problem.
Summary of the invention
An object of the present invention is the automatic filling liquid device that a kind of infusion pump will be provided.
The present invention's further object to make vacuum pump quit work in time after completing pump priming operation.
Especially, the invention provides a kind of automatic filling liquid device of infusion pump, comprise vacuum pump, knockout drum and control system,
Described vacuum pump is connected with described infusion pump by described knockout drum;
Be provided with liquid in described infusion pump in described knockout drum and enter the locking device that described gas-liquid separation filling blocks the passage be connected with described vacuum pump afterwards;
Described control system is used for the operation of closing described vacuum pump when described locking device blocks the passage of described vacuum pump.
Further, described knockout drum is provided with discharge internal liquid and valvular clear liquid pipe is installed.
Further, described knockout drum is provided with the level meter showing described knockout drum internal liquid height.
Further, described vacuum pump is provided with on the tank connected passage of described gas-liquid separation the pressure transducer be connected with described control system.
Further, described locking device comprises:
Plug, for closing the passage be connected with described vacuum pump;
Ball float, for controlling the movement of described plug.
Further, described vacuum pump is provided with two and is connected with described knockout drum after parallel connection.
Further, described infusion pump is provided with two and is connected with described knockout drum after parallel connection or series connection.
Further, described infusion pump and the tank connected pipeline of described gas-liquid separation are the outlet pipe for discharging air in described infusion pump, and described outlet pipe is provided with valve.
Further, the setting height(from bottom) of described knockout drum is higher than the height of the outlet of the outlet pipe of described infusion pump.
Further, described control system starts described infusion pump work while the described vacuum pump of closedown.
Automatic filling liquid device of the present invention, owing to have employed knockout drum, therefore, it is possible to stop working on of vacuum pump in time after infusion pump completes filling liquid object, is avoided overflow or enters vacuum pump.
Further, locking device of the present invention utilizes liquid to change the object reaching containing vacuum pump output channel, can prevent working on of vacuum pump in time while infusion pump reaches pump priming requirement.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference character identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the automatic filling liquid device schematic diagram of infusion pump according to an embodiment of the invention.
Embodiment
Fig. 1 is the automatic filling liquid device schematic diagram of infusion pump 10 according to an embodiment of the invention.Automatic filling liquid device can comprise vacuum pump 20, knockout drum 30 and control system 40 in general manner, and this vacuum pump 20 can be connected with infusion pump 10 by knockout drum 30.Be provided with liquid in infusion pump 10 in this knockout drum 30 and enter the locking device 32 that gas-liquid separation filling 30 blocks the passage be communicated with vacuum pump 20 afterwards.This control system 40 is for closing the operation of vacuum pump 20 when locking device 32 blocks the passage of vacuum pump 20.Infusion pump 10 generally comprises the liquid inlet pipe 12 be connected with liquid input 50 and the liquid-discharging tube 13 be connected with liquid output 60.When the air in infusion pump 10 is extracted out by knockout drum 30 by vacuum pump 20, liquid can be sucked infusion pump 10 by liquid input 50 with the change of infusion pump 10 internal vacuum by the liquid inlet pipe 12 of this infusion pump 10; When the air in infusion pump 10 is drained clean completely, filling the liquid after infusion pump 10 can enter knockout drum 30 along the pump-line be connected with knockout drum 30; The passage be connected with vacuum pump 20 can be closed after the locking device 32 of knockout drum 30 is triggered and continue extracting air to prevent vacuum pump 20; According to the change of the pressure of vacuum pump 20, control system 40 can judge whether vacuum pump 20 is in cannot the state of suction gas, once the change of this pressure conforms to a predetermined condition, closes vacuum pump 20 with what complete vacuum pump 20 and vacuumizes operation.
Further, this control system 40 can directly start the infusion pump 10 having completed and filled with liquid operation while closing vacuum pump 20.Also can outwardly send vacuum pump 20 while closedown vacuum pump 20 to have finished the work object signal, be controlled the startup of infusion pump 10 by operator.
For convenience of reusing of knockout drum 30, this knockout drum 30 is provided with and discharges internal liquid and valvular clear liquid pipe 35 is installed.Valve on clear liquid pipe 35 is in closed condition when vacuum pump 20 works, when having had liquid in knockout drum 30 and vacuum pump 20 needs again to carry out pump priming operation, need the valve first opened on clear liquid pipe 35 that the liquid of knockout drum 30 inside is discharged to given place or liquid input 50.
Further, in order to separate the amount of liquid in knockout drum 30, this knockout drum 30 can be arranged the level meter 31 of display knockout drum 30 internal liquid height.This level meter 31 adopts transparent material to make, and the liquid height in level meter 31 changes consistent with the liquid height of knockout drum 30 inside.Be appreciated that in other embodiments, also can directly utilize transparent material to make knockout drum 30, so that directly observe internal liquid state.
For controlling vacuum pump 20 in time, the passage that this vacuum pump 20 is connected with knockout drum 30 arranges the pressure transducer 41 be connected with control system 40.When locking device 32 closes the output channel of vacuum pump 20, can reduce by pressure after air in this passage is siphoned away by vacuum pump 20, by the data variation of pressure transducer 41, control system 40 can be determined that infusion pump 10 has completed and fill with liquid operation, thus close vacuum pump 20 in time.Be appreciated that in other embodiments, locking device 32 also can be utilized directly to be connected with control system 40, once locking device 32 completes closed operation can trigger corresponding signal, thus close vacuum pump 20 by the control system 40 of Received signal strength.Can also be that locking device 32 is directly connected with vacuum pump 20, once locking device 32 completes closed operation, the power supply of vacuum pump 20 can be closed simultaneously.
In one embodiment of the invention, this locking device 32 can comprise plug 33, and it is for closing the passage be connected with vacuum pump 20; With ball float 34, it is for controlling the movement of plug 33.Plug 33 is arranged on the ingress of the passage that knockout drum 30 is connected with vacuum pump 20 and keeps at a certain distance away, and ball float 34 is connected with plug 33; Ball float 34 can be promoted rise gradually when the liquid in knockout drum 30 rises gradually, the rising of ball float 34 can promote plug 33 and move to entrance, and when liquid rises to a certain degree, entrance is blocked completely, thus prevented vacuum pump 20 and continue to bleed by knockout drum 30, reach the object that prompting infusion pump 10 has been filled.For convenience of the plugging effect of plug 33, this plug 33 can be made into cone structure, and its vertex of a cone stretches in the feeder connection that is connected with vacuum pump 20, and bores the end and contact with ball float 34.Be appreciated that this locking device 32 can also be the valve mechanism coordinated by sensor in other embodiments, when liquid arrives the position of sensor, sensor sends the passage of cutting out and being connected with vacuum pump 20 to valve.Here sensor can be weighing transducer or position transducer.In addition locking device 32 also can be arranged on the entrance be connected with infusion pump 10 with knockout drum 30, utilizes the weight of liquid equally or highly realizes closing the object of vacuum pump 20 pumping path.
Further, in order to increase work efficiency, this vacuum pump 20 can arrange two and be connected with knockout drum 30 after parallel connection.Two vacuum pumps 20 can improve pumping efficiency, accelerate the filling liquid process of infusion pump 10.
Further, this infusion pump 10 can arrange two and be connected with knockout drum 30 after serial or parallel connection.Two infusion pumps 10 can be connected, also can be in parallel, are completed successively and fill with liquid operation, improve the working efficiency of vacuum pump 20 by vacuum pump 20.
For convenience of controlling infusion pump 10, the pipeline that this infusion pump 10 is connected with knockout drum 30 is the outlet pipe 11 for discharging air in infusion pump 10, and this outlet pipe 11 is provided with valve.Need when vacuum pump 20 does not work to close this valve to avoid affecting the normal work of infusion pump 10.
Further, be the filling liquid status enabling the liquid in knockout drum 30 better reflect infusion pump 10, the setting height(from bottom) of this knockout drum 30 can higher than the height of the outlet of the outlet pipe 11 of infusion pump 10.Here height at least will be equal to or greater than the height of filling with liquid air chamber in infusion pump 10, to ensure that locking device 32 infusion pump 10 when the exhaust pipe of containing vacuum pump 20 in knockout drum 30 has completed the effect of filling liquid really.
The working procedure of this programme is described with concrete example below.
1. close the liquid-discharging tube 13 that infusion pump 10 is connected with Liquid transfer place 60, close the clear liquid pipe 35 of knockout drum 30;
2. open outlet pipe 11;
3. start vacuum pump 20 to work; In this process, the air in infusion pump 10 continues to extract out along outlet pipe 11, knockout drum 30 by vacuum pump 20, and when the air in infusion pump 10 is evacuated, liquid is drawn in infusion pump 10 by its liquid inlet pipe 12; When being full of by liquid in infusion pump 10, liquid enters knockout drum 30 along outlet pipe 11, and the liquid rising in knockout drum 30 then can promote ball float 34 and rise, and then the pipe sealing that promotion plug 33 will be connected with vacuum pump 20;
4. control system 40 is when the force value of pressure transducer 41 reaches predetermined value, the power switch of trigging control vacuum pump 20, disconnects the power supply of vacuum pump 20;
5. start infusion pump 10 to work.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.

Claims (10)

1. an automatic filling liquid device for infusion pump, comprises vacuum pump, knockout drum and control system,
Described vacuum pump is connected with described infusion pump by described knockout drum;
Be provided with liquid in described infusion pump in described knockout drum and enter the locking device that described gas-liquid separation filling blocks the passage be connected with described vacuum pump afterwards;
Described control system is used for the operation of closing described vacuum pump when described locking device blocks the passage of described vacuum pump.
2. automatically fill with liquid device as claimed in claim 1, it is characterized in that, described knockout drum is provided with and discharges internal liquid and valvular clear liquid pipe is installed.
3. automatically fill with liquid device as claimed in claim 1, it is characterized in that, described knockout drum is provided with the level meter showing described knockout drum internal liquid height.
4. the automatic filling liquid device as described in any one of claim 1-3, is characterized in that, described vacuum pump is provided with on the tank connected passage of described gas-liquid separation the pressure transducer be connected with described control system.
5. automatically fill with liquid device as claimed in claim 1, it is characterized in that, described locking device comprises:
Plug, for closing the passage be connected with described vacuum pump;
Ball float, for controlling the movement of described plug.
6. automatically fill with liquid device as claimed in claim 1, it is characterized in that, described vacuum pump is provided with two and is connected with described knockout drum after parallel connection.
7. automatically fill with liquid device as claimed in claim 1, it is characterized in that, described infusion pump is provided with two and is connected with described knockout drum after parallel connection or series connection.
8. automatically fill with liquid device as claimed in claim 1, it is characterized in that, described infusion pump and the tank connected pipeline of described gas-liquid separation are the outlet pipe for discharging air in described infusion pump, and described outlet pipe is provided with valve.
9. automatically fill with liquid device as claimed in claim 1, it is characterized in that, the setting height(from bottom) of described knockout drum is higher than the height of the outlet of the outlet pipe of described infusion pump.
10. automatically fill with liquid device as claimed in claim 1, it is characterized in that, described control system starts described infusion pump work while the described vacuum pump of closedown.
CN201410279277.2A 2014-06-23 2014-06-23 Automatic liquid pouring device of liquid transfer pump Pending CN105201862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410279277.2A CN105201862A (en) 2014-06-23 2014-06-23 Automatic liquid pouring device of liquid transfer pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410279277.2A CN105201862A (en) 2014-06-23 2014-06-23 Automatic liquid pouring device of liquid transfer pump

Publications (1)

Publication Number Publication Date
CN105201862A true CN105201862A (en) 2015-12-30

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CN201410279277.2A Pending CN105201862A (en) 2014-06-23 2014-06-23 Automatic liquid pouring device of liquid transfer pump

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110425148A (en) * 2019-08-28 2019-11-08 黄旭平 A kind of pumping plant starting vacuum voltage regulation water replanishing device
CN111828333A (en) * 2020-06-18 2020-10-27 蓝箭航天技术有限公司 Pump filling method for low-position water taking centrifugal pump
CN111828332A (en) * 2020-06-18 2020-10-27 蓝箭航天技术有限公司 Pump filling system for aerospace engine test

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Publication number Priority date Publication date Assignee Title
FR1565714A (en) * 1968-03-22 1969-05-02
JP2003065276A (en) * 2001-08-24 2003-03-05 Sumitomo Metal Mining Co Ltd Self-supply pump
CN201236812Y (en) * 2008-08-12 2009-05-13 闫家林 Submerged non-shaft sewage pump with strong self-suction capability
CN101839244A (en) * 2010-04-30 2010-09-22 扬州皓钢泵业科技有限公司 Automatic water guide device of sewage pump
CN201858162U (en) * 2010-09-29 2011-06-08 山西潞安矿业(集团)有限责任公司 Slurry pump priming device
CN202612128U (en) * 2012-04-17 2012-12-19 中国轻工业长沙工程有限公司 Automatic water diversion device for water pump
CN203394774U (en) * 2013-07-24 2014-01-15 南京尤孚泵业有限公司 Large-flow vacuum-assisted self-sucking pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1565714A (en) * 1968-03-22 1969-05-02
JP2003065276A (en) * 2001-08-24 2003-03-05 Sumitomo Metal Mining Co Ltd Self-supply pump
CN201236812Y (en) * 2008-08-12 2009-05-13 闫家林 Submerged non-shaft sewage pump with strong self-suction capability
CN101839244A (en) * 2010-04-30 2010-09-22 扬州皓钢泵业科技有限公司 Automatic water guide device of sewage pump
CN201858162U (en) * 2010-09-29 2011-06-08 山西潞安矿业(集团)有限责任公司 Slurry pump priming device
CN202612128U (en) * 2012-04-17 2012-12-19 中国轻工业长沙工程有限公司 Automatic water diversion device for water pump
CN203394774U (en) * 2013-07-24 2014-01-15 南京尤孚泵业有限公司 Large-flow vacuum-assisted self-sucking pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110425148A (en) * 2019-08-28 2019-11-08 黄旭平 A kind of pumping plant starting vacuum voltage regulation water replanishing device
CN111720336A (en) * 2019-08-28 2020-09-29 殷红平 Vacuum pressure-stabilizing water replenishing device for starting pump station
CN111720335A (en) * 2019-08-28 2020-09-29 殷红平 Pump station starts with vacuum steady voltage moisturizing device
CN111720335B (en) * 2019-08-28 2021-07-13 苏州维格纳信息科技有限公司 Pump station starts with vacuum steady voltage moisturizing device
CN111828333A (en) * 2020-06-18 2020-10-27 蓝箭航天技术有限公司 Pump filling method for low-position water taking centrifugal pump
CN111828332A (en) * 2020-06-18 2020-10-27 蓝箭航天技术有限公司 Pump filling system for aerospace engine test

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Application publication date: 20151230