CN109994702A - One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down - Google Patents

One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down Download PDF

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Publication number
CN109994702A
CN109994702A CN201711494995.1A CN201711494995A CN109994702A CN 109994702 A CN109994702 A CN 109994702A CN 201711494995 A CN201711494995 A CN 201711494995A CN 109994702 A CN109994702 A CN 109994702A
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CN
China
Prior art keywords
piston
fluid injection
injection chamber
shell
exhaust outlet
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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
CN201711494995.1A
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Chinese (zh)
Inventor
王贵增
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Tianjin Shangde New Technology Co Ltd
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Tianjin Shangde New Technology Co Ltd
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Filing date
Publication date
Application filed by Tianjin Shangde New Technology Co Ltd filed Critical Tianjin Shangde New Technology Co Ltd
Priority to CN201711494995.1A priority Critical patent/CN109994702A/en
Publication of CN109994702A publication Critical patent/CN109994702A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/691Arrangements or processes for draining liquids from casings; Cleaning battery or cell casings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filling, Topping-Up Batteries (AREA)

Abstract

It prevents from crystallizing formula vacuum charge measuring pump of cooling down the present invention relates to one kind, including shell, first stage piston, second piston, liquid import and export and exhaust outlet, each mouth setting is on the shell, fluid injection chamber is equipped in shell, the setting of I and II piston is intracavitary in fluid injection, and for liquid into and out of being tubular conduit through shell with exhaust outlet, each mouth is connected to fluid injection chamber.The beneficial effects of the present invention are: being provided with for two-stage piston is conducive to enter the gas in fluid injection chamber and liquid itself volatilization gas discharge fluid injection chamber, accurate measurement function of the topping-up pump in vacuum environment is realized with this, realizes accurate fluid injection in vacuum;Topping-up pump is additionally provided with cleaning device, electromagnetic coil, piezoelectric ceramics, vibroseis or the wiper ring being adjacent to are equipped on piston or shell, electrolyte crystallization is prevented to be precipitated by electromagnetism, electric heating and physical motion, or the crystal on piston is removed by opposite reciprocating action, it prevents crystallization to retain, fluid injection pump seizure can be effectively prevented or piston is crystallized object damage.

Description

One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down
Technical field
The invention belongs to metering pump field, prevent from crystallizing formula vacuum charge measuring pump of cooling down more particularly, to one kind.
Background technique
Lithium battery needs to undergo fluid injection process in process of production.Fluid injection refers to first takes out very in molding li battery shell It is re-filled with electrolyte after sky, makes the fully wrapped around battery of electrolyte, as one of the important raw material for determining lithium battery performance Electrolyte, because of its volatile, the performances such as irritation are required fluid injection efficiency, fluid injection leakproofness and fluid injection erosion protection system tight Lattice.Since electrolyte is mostly strong volatility, portion gas can be generated in injection process, these gases not only will affect battery electricity Liquid quality is solved, the reservoir quantity of electrolyte is also will affect, influences the quality of lithium battery.In addition electrolyte is readily volatilized is also easy knot Crystalline substance, the service intermittent mode of existing topping-up pump, which determines, will clean fluid injection metering pump and its fluid injection when filling machine shuts down every time System pipeline prevents electrolyte from crystallizing, even if existing topping-up pump continuous work, overlong time also result in the knot of electrolyte Brilliant stuck topping-up pump.Long-term crystallization also result in sealing piston bar sealing ring damage, influence topping-up pump service life and Working efficiency.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, to be prevented from crystallizing formula vacuum charge measuring pump of cooling down.
The technical solution adopted by the present invention is that: one kind prevents from crystallizing cool down formula vacuum charge measuring pump, including shell, level-one Piston, second piston, inlet, liquid outlet and exhaust outlet, inlet, liquid outlet and exhaust outlet are arranged on the shell, in shell Hollow to be equipped with fluid injection chamber, first stage piston and second piston setting are intracavitary in fluid injection, and inlet, liquid outlet and exhaust outlet are to run through The tubular conduit of shell, inlet, liquid outlet and exhaust outlet are connected to fluid injection chamber, and exhaust outlet is located at the top of fluid injection chamber, level-one Piston and second piston are respectively connected with driving device.
Preferably, second piston is arranged in first stage piston, and second piston is one or more, and exhaust outlet is one or more A, exhaust outlet is connected to second piston;
Preferably, first stage piston is equipped with exhaust passage, and exhaust passage is connected to second piston and exhaust outlet.
Preferably, fluid injection chamber includes level-one fluid injection chamber and second level fluid injection chamber, and level-one fluid injection chamber section is less than or equal to second level Fluid injection chamber area of section, first stage piston are one or more columns, and second piston is that the sum of area of section is greater than or equal to one One or more columns of the sum of grade piston cross-section area, first stage piston and second piston are linked together, level-one fluid injection chamber It is connected between second level fluid injection chamber by fluid injection chamber valve, exhaust outlet is connected to top and/or the second level fluid injection chamber of level-one fluid injection chamber.
Preferably, first stage piston and second piston are disposed in parallel in fluid injection chamber, and second piston is one or more, exhaust Mouth is one or more, and exhaust outlet is connected to second piston.
Preferably, outer housing is equipped with the electromagnetic coil or ultrasonic motor that can generate excusing from death wave or vibration.
Preferably, first stage piston and/or second piston are equipped with sealing device and/or crystallization-preventive ring;
Preferably, sealing device and/or crystallization-preventive ring are rubber, ceramics, plastics or nano material.
Preferably, ultrasonic motor, electromagnetic coil or piezoelectric ceramic ring are equipped in crystallization-preventive ring.
Preferably, it is equipped with liquid feed valve in inlet, liquid valve is equipped in liquid outlet, is equipped with exhaust valve in exhaust outlet.
Preferably, buffer tank is arranged with outside shell.
Preferably, cleaning sap cavity is equipped in shell.First stage piston or second piston pass through cleaning sap cavity.
The advantages and positive effects of the present invention are: being provided with for two-stage piston is conducive to that the liquid in fluid injection chamber will be entered Fluid injection chamber is discharged in the gas that gas and liquid itself volatilization of interior dissolution generate, and passes through the cooperation running discharge gas of two-stage piston Body guarantees that the electrolyte of injection battery is liquid, avoids injection gas, can also guarantee essence of the topping-up pump in vacuum environment The ability really measured is realized in vacuum and measures fluid injection;Topping-up pump is additionally provided with cleaning device, and electromagnetic wire is equipped on piston or shell Circle, piezoelectric ceramics, vibroseis or the wiper ring being adjacent to prevent electrolyte crystallization to be precipitated by the seismic wave of regularity, or by scraping It takes opposite reciprocating action to remove the crystal on piston, prevents electrolyte from having inside the topping-up pump on relative movement part surface Crystallization exists, and the generation of topping-up pump stuck phenomenon can be effectively prevented, and piston is prevented to be crystallized object damage.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of the embodiment of the present invention;
Fig. 2 is two structural schematic diagram of the embodiment of the present invention;
Fig. 3 is three structural schematic diagram of the embodiment of the present invention.
In figure:
1, shell 2, fluid injection chamber 31, inlet
32, liquid outlet 33, exhaust outlet 34, exhaust passage
41, first stage piston 42, second piston 5, driving device
6, cleaning device 7, fluid injection chamber valve
Specific embodiment
It explains with reference to the accompanying drawing to several embodiments of the present invention.
One kind prevents from crystallizing cool down formula vacuum charge measuring pump, including shell 1, first stage piston 41, second piston 42, feed liquor Mouth 31, liquid outlet 32 and exhaust outlet 33, inlet 31, liquid outlet 32 and exhaust outlet 33 are arranged on shell 1, hollow in shell 1 Equipped with fluid injection chamber 2, inlet 31, liquid outlet 32 and exhaust outlet 33 are the tubular conduit through shell 1, and inlet 31 goes out liquid Mouth 32 is connected to fluid injection chamber 2 with exhaust outlet 33, and exhaust outlet 33 is located at the top of fluid injection chamber 2, and inlet 31 and liquid outlet 32 are used for Electrolyte pouring into and being discharged, and the gas that gas vent is used to generate the electrolyte in fluid injection chamber 2 is discharged;First stage piston 41 and two Grade piston 42 is arranged in fluid injection chamber 2, and first stage piston 41 and second piston 42 are respectively connected with driving device 5, and driving device 5 can be with For driving motor, first stage piston 41 and second piston 42 are by the lifting implementation sucking electrolyte that interlocks, by the gas in electrolyte Discharge, and the process that the electrolyte after exhaust is released.It is equipped with liquid feed valve in inlet 31, is equipped with liquid valve in liquid outlet 32, It is equipped with exhaust valve in exhaust outlet 33, the state of each function mouth can be controlled, realizes that feed liquor goes out liquid and degassing function.
It is arranged with buffer tank outside shell 1, can be used in containing electrolyte, and auxiliary exhaust;Buffer tank is directly socketed in outer Outside shell 1, inlet 31, liquid outlet 32 and drainage hole can be entangled, cleaning sap cavity, first stage piston 41 or second level are equipped in shell 1 Piston 42 passes through cleaning sap cavity, can clean to first stage piston 41 and second piston 42.
Mechanism for filling liquid is equipped with cleaning device 6, can be set in 1 outside of shell, by shaking the electrolyte inside surge, Slow down crystallization rate;Or be set up directly on piston, crystallization is removed by physics scraping, or crystallization is slowed down by vibration.Wherein Ultrasonic motor, electromagnetic coil or piezoelectric ceramic ring can be used in cleaning device 6, and ultrasonic motor, electromagnetic coil and piezoelectric ceramic ring are equal It can be controlled by wireless charging technology and electric power is provided, be enclosed on the outside of the cleaning device 6 being arranged in fluid injection chamber 2 close Seal apparatus or crystallization-preventive ring, sealing device or crystallization-preventive ring are rubber, ceramics, plastics or nano material, these materials also can It is effective to increase service life, and since ceramic property is stablized, it is not easy to react with electrolyte, keeps the product of electrolyte Matter.
Embodiment 1:
As shown in Figure 1, one kind prevents from crystallizing cool down formula vacuum charge measuring pump, including shell 1, first stage piston 41, second level Piston 42, inlet 31 and liquid outlet 32 and exhaust outlet 33, inlet 31, liquid outlet 32 and exhaust outlet 33 are arranged on shell 1, Hollow in shell 1 to be equipped with fluid injection chamber 2, inlet 31, liquid outlet 32 and exhaust outlet 33 are the tubular conduit through shell 1, row Port 33 is located at the top of fluid injection chamber 2, and inlet 31 and liquid outlet 32 are arranged in 1 bottom of shell, inlet 31 and liquid outlet 32 Pouring into and being discharged for electrolyte, the gas that gas vent is used to generate the electrolyte in fluid injection chamber 2 are discharged;Inlet 31 connects Electrolyte bogey is connect, liquid outlet 32 connects battery case;It is equipped with liquid feed valve in inlet 31, is equipped with liquid in liquid outlet 32 Valve, exhaust outlet 33 is interior to be equipped with exhaust valve, is cooperated by control liquid feed valve and liquid valve and piston, and realization feed liquor goes out the purpose of liquid.
First stage piston 41 and second piston 42 are arranged in fluid injection chamber 2, and second piston 42 is one or more, first stage piston 41 and second piston 42 be respectively connected with driving device 5, driving device 5 can be driving motor, first stage piston 41 and second piston 42 suck electrolyte by the lifting implementation that interlocks, and the gas in electrolyte is discharged;Exhaust outlet 33 is one or more, exhaust outlet 33 connection second pistons 42, when exhaust outlet 33 is located on the shell 1 at 42 top of second piston, it is living that exhaust outlet 33 is directly connected to second level Plug 42;When exhaust outlet 33 is located at the top of housing sidewall, first stage piston 41 is equipped with exhaust passage 34, the connection of exhaust passage 34 two Grade piston 42 and exhaust outlet 33.
In use, pulling first stage piston 41 and second piston 42 upwards, electrolyte enters fluid injection chamber 2 from inlet 31, produces Raw gas collection pulls second piston 42 to 2 top of fluid injection chamber, and the gas on upper layer is sucked, and is higher than row to second piston 42 After port 33, gas can be discharged from exhaust outlet 33, so that only remaining electrolyte in fluid injection chamber 2, then push first stage piston 41 and two Grade piston 42 injects electrolyte in battery from liquid outlet 32.
Electromagnetic coil is equipped on the outside of shell 1, nonmetallic materials package, such as ceramics, electromagnetic coil can be used in ultrasonic motor The fluctuation of formation drives the electrolysis vibration of liquid in fluid injection chamber 2, avoids in piston, the position crystallization of inlet 31 and liquid outlet 32, Influence lifting efficiency.
It is arranged with buffer tank outside shell 1, can be used in containing electrolyte, and auxiliary exhaust;Buffer tank is directly socketed in outer Outside shell 1, inlet 31, liquid outlet 32 and drainage hole can be entangled, cleaning sap cavity, first stage piston 41 or second level are equipped in shell 1 Piston 42 passes through cleaning sap cavity, can clean to first stage piston 41 and second piston 42.
Embodiment 2:
As shown in Fig. 2, one kind prevents from crystallizing cool down formula vacuum charge measuring pump, including shell 1, first stage piston 41, second level Piston 42, inlet 31 and liquid outlet 32 and exhaust outlet 33, inlet 31, liquid outlet 32 and exhaust outlet 33 are arranged on shell 1, Hollow in shell 1 to be equipped with fluid injection chamber 2, inlet 31, liquid outlet 32 and exhaust outlet 33 are the tubular conduit through shell 1, row Port 33 is located at the top of fluid injection chamber 2, and inlet 31 and liquid outlet 32 are arranged in 1 bottom of shell, inlet 31 and liquid outlet 32 Pouring into and being discharged for electrolyte, the gas that gas vent is used to generate the electrolyte in fluid injection chamber 2 are discharged;Inlet 31 connects Electrolyte bogey is connect, liquid outlet 32 connects battery case;It is equipped with liquid feed valve in inlet 31, is equipped with liquid in liquid outlet 32 Valve, exhaust outlet 33 is interior to be equipped with exhaust valve, is cooperated by control liquid feed valve and liquid valve and piston, and realization feed liquor goes out the purpose of liquid.
Fluid injection chamber 2 includes level-one fluid injection chamber 2 and second level fluid injection chamber 2, and 2 section of level-one fluid injection chamber is less than or equal to second level fluid injection 2 area of section of chamber, level-one fluid injection chamber 2 with second level fluid injection chamber 2 be it is cylindric, level-one fluid injection chamber 2 is located under second level fluid injection chamber 2 Side, level-one fluid injection chamber 2 are connected to second level fluid injection chamber 2 by fluid injection chamber valve 7;First stage piston 41 is column, and second piston 42 is Multiple column compositions, longitudinal cross-section is stepped, and first stage piston 41 is linked together with second piston 42, first stage piston 41 and one The 2 shape matching of grade fluid injection chamber, first stage piston 41 can move up and down in level-one fluid injection chamber 2;Exhaust outlet 33 is connected to second level fluid injection Chamber 2.
In use, extracting electrolyte, first stage piston 41 and second piston 42 common lifting, electrolyte upwards pass through inlet 31 enter fluid injection chambers 2, and electrolyte concentrates in level-one fluid injection chamber 2, and the electrolyte gas to be formed that volatilizees can postpone first stage piston The fluid injection chamber valve 7 of 41 edges setting enters in second level fluid injection chamber 2, after second piston 42, which pulls, is higher than exhaust outlet 33, can lead to Cross exhaust outlet 33 will focus on other discharges on 2 upper layer of second level fluid injection chamber can be with after all gas is discharged by exhaust outlet First stage piston 41 and second piston 42 are pushed, electrolyte is discharged from liquid outlet 32.
41 front end of first stage piston is equipped with the sealing device of annular, and sealing device can be rubber, ceramics, plastics or nanometer material Expect, ultrasonic motor or piezoelectric ceramic ring are equipped in crystallization-preventive ring, and ultrasonic motor vibration drives electrolysis vibration of liquid, reduction crystallization speed Degree;Piezoelectric ceramic ring can be removed by vertical tremor material and be crystallized.The cleaning device 6 of 41 front end of first stage piston can be piezoelectricity Ceramic ring reduces crystallization rate by vibration.
Embodiment 3:
As shown in figure 3, one kind prevents from crystallizing cool down formula vacuum charge measuring pump, including shell 1, first stage piston 41, second level Piston 42, inlet 31 and liquid outlet 32 and exhaust outlet 33, inlet 31, liquid outlet 32 and exhaust outlet 33 are arranged on shell 1, Hollow in shell 1 to be equipped with fluid injection chamber 2, inlet 31, liquid outlet 32 and exhaust outlet 33 are the tubular conduit through shell 1, row Port 33 is located at the top of fluid injection chamber 2, and inlet 31 and liquid outlet 32 are arranged in 1 bottom of shell, inlet 31 and liquid outlet 32 Pouring into and being discharged for electrolyte, the gas that gas vent is used to generate the electrolyte in fluid injection chamber 2 are discharged;Inlet 31 connects Electrolyte bogey is connect, liquid outlet 32 connects battery case;It is equipped with liquid feed valve in inlet 31, is equipped with liquid in liquid outlet 32 Valve, exhaust outlet 33 is interior to be equipped with exhaust valve, is cooperated by control liquid feed valve and liquid valve and piston, and realization feed liquor goes out the purpose of liquid.
Fluid injection chamber 2 is column, and first stage piston 41 and second piston 42 are disposed in parallel in fluid injection chamber 2, and second piston 42 can Think multiple, arranges around first stage piston 41, first stage piston 41 fits closely with second piston 42, the section of piston entirety and note 2 cross-sections match of sap cavity, 42 area of section of second piston are less than first stage piston 41, and the exhaust outlet 33 on 1 side wall of shell is connected to second level Piston 42.Electrolyte is extracted when use, the now lifting upwards together by first stage piston 41 and second piston 42, electrolyte is from inlet 31 enter fluid injection chamber 2, and when electrolyte forms gas, gaseous matter is concentrated at the top of liquid level, at this moment promote second piston 42, will Gas is put together, and after second piston 42 is higher than exhaust outlet 33, gas can be discharged by exhaust outlet 33, when gas in fluid injection chamber 2 Body all after discharge, pushes first stage piston 41 and second piston 42, and electrolyte is injected in battery from liquid outlet 32.
Crystallization-preventive ring can be equipped on the outside of first stage piston 41 or second piston 42, physical removal knot during piston lifting It is brilliant.
Description through the above way, being provided with for two-stage piston are conducive to that the gas dissolved in the liquid in fluid injection chamber will be entered Fluid injection chamber is discharged in the gas that body and liquid itself volatilization generate, and by the cooperation running discharge gas of two-stage piston, guarantees injection The electrolyte of battery is liquid, avoids injection gas, and it is smart to fluid injection pump-metered can also to reduce electrolyte volatilization in fluid injection chamber The influence of degree;Topping-up pump is additionally provided with cleaning device, and electromagnetic coil, vibroseis or the crystallization-preventive being adjacent to are equipped on piston or shell Ring prevents electrolyte crystallization to be precipitated by the seismic wave of regularity, or removes the crystal on piston by the reciprocating action of scraping, Prevent electrolyte inside the topping-up pump on relative movement part surface with the presence of crystallization, topping-up pump stuck phenomenon can be effectively prevented Occur, piston is prevented to be crystallized object damage.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range Deng should still be within the scope of the patent of the present invention.

Claims (10)

1. one kind prevents crystallization to cool down formula vacuum charge measuring pump, it is characterised in that: including shell, first stage piston, second piston, Inlet, liquid outlet and exhaust outlet, the inlet, the liquid outlet and exhaust outlet setting are on the housing, described Hollow in shell to be equipped with fluid injection chamber, the first stage piston and second piston setting are intracavitary in the fluid injection, the inlet, The liquid outlet and the exhaust outlet are the tubular conduit through shell, the inlet, the liquid outlet and the exhaust Mouth is connected to fluid injection chamber, and the exhaust outlet is located at the top of the fluid injection chamber, and the first stage piston and the second piston connect It is connected to driving device.
2. according to claim 1 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: the second piston It is arranged in the first stage piston, the second piston is one or more, and the exhaust outlet is one or more, the exhaust Mouth is connected to the second piston;
Preferably, the first stage piston is equipped with exhaust passage, and the exhaust passage is connected to the second piston and the exhaust Mouthful.
3. according to claim 1 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: the fluid injection chamber packet Level-one fluid injection chamber and second level fluid injection chamber are included, the level-one fluid injection chamber section is less than or equal to the second level fluid injection chamber area of section, The first stage piston is one or more columns, and the second piston is that the sum of area of section is living more than or equal to the level-one One or more columns of the sum of area of section are filled in, the first stage piston and the second piston are linked together, and described one It is connected between grade fluid injection chamber and the second level fluid injection chamber by fluid injection chamber valve, the exhaust outlet is connected to the level-one fluid injection chamber Top and/or second level fluid injection chamber.
4. according to claim 1 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: the first stage piston It is disposed in parallel in the fluid injection chamber with the second piston, the second piston is one or more, and the exhaust outlet is one A or multiple, the exhaust outlet is connected to the second piston.
5. according to any one of claims 1-4 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: described Outer housing is equipped with the electromagnetic coil or ultrasonic motor that can generate excusing from death wave or vibration.
6. according to any one of claims 1-4 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: described First stage piston and/or the second piston are equipped with sealing device and/or crystallization-preventive ring;
Preferably, the sealing device and/or the crystallization-preventive ring are rubber, ceramics, plastics or nano material.
7. according to claim 6 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: the crystallization-preventive ring In be equipped with ultrasonic motor, electromagnetic coil or piezoelectric ceramic ring.
8. according to any one of claims 1-4 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: described It is equipped with liquid feed valve in inlet, liquid valve is equipped in the liquid outlet, is equipped with exhaust valve in the exhaust outlet.
9. according to any one of claims 1-4 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: described Buffer tank is arranged with outside shell, when the shell is furnished with buffer tank, inlet and exhaust outlet can share exhaust port passageways, be vented The bottom on mouth channel connection fluid injection chamber top and buffer tank.
10. according to any one of claims 1-4 prevent from crystallizing formula vacuum charge measuring pump of cooling down, it is characterised in that: institute It states and is equipped with cleaning sap cavity in shell, the first stage piston or the second piston pass through the cleaning sap cavity.
CN201711494995.1A 2017-12-31 2017-12-31 One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down Pending CN109994702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711494995.1A CN109994702A (en) 2017-12-31 2017-12-31 One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711494995.1A CN109994702A (en) 2017-12-31 2017-12-31 One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down

Publications (1)

Publication Number Publication Date
CN109994702A true CN109994702A (en) 2019-07-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11102692A (en) * 1997-09-26 1999-04-13 Nichiden Mach Ltd Liquid injection head and liquid injection device
CN2665398Y (en) * 2003-09-11 2004-12-22 深圳市邦凯电子有限公司 Vacuum charge measuring pump
CN101325251A (en) * 2008-07-23 2008-12-17 青岛武晓集团有限公司 Multi-head apparatus for feeding liquid intermittently
CN105206788A (en) * 2015-08-18 2015-12-30 合肥国轩高科动力能源有限公司 Simple and efficient trace-liquid injecting device
CN207818757U (en) * 2017-12-31 2018-09-04 天津上德新科技有限公司 One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11102692A (en) * 1997-09-26 1999-04-13 Nichiden Mach Ltd Liquid injection head and liquid injection device
CN2665398Y (en) * 2003-09-11 2004-12-22 深圳市邦凯电子有限公司 Vacuum charge measuring pump
CN101325251A (en) * 2008-07-23 2008-12-17 青岛武晓集团有限公司 Multi-head apparatus for feeding liquid intermittently
CN105206788A (en) * 2015-08-18 2015-12-30 合肥国轩高科动力能源有限公司 Simple and efficient trace-liquid injecting device
CN207818757U (en) * 2017-12-31 2018-09-04 天津上德新科技有限公司 One kind prevents from crystallizing formula vacuum charge measuring pump of cooling down

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