CN206308002U - A kind of novel portable fluid circuit filling apparatus - Google Patents
A kind of novel portable fluid circuit filling apparatus Download PDFInfo
- Publication number
- CN206308002U CN206308002U CN201621342970.0U CN201621342970U CN206308002U CN 206308002 U CN206308002 U CN 206308002U CN 201621342970 U CN201621342970 U CN 201621342970U CN 206308002 U CN206308002 U CN 206308002U
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- pipe
- fluid circuit
- pipeline
- line system
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Abstract
The utility model provides a kind of novel portable fluid circuit filling apparatus, and for being filled to fluid circuit, the two ends of the fluid circuit are respectively arranged with the first fast plug and the second fast plug, and this fast plug has self-enclosed function.The device includes pipe-line system, mass flowmenter, pumped vacuum systems, air distribution system, fluid reservoir and recycling can, and the feed tube and liquid back pipe matched with two fast plugs.The fluid circuit filling apparatus can be integrated on movable operation platform, convenient transportation；The device fluid circuit can be carried out blowing displacement, vacuumize, working medium filling and the dry operation in loop, and can effectively prevent incoagulable gas and impurity in filling process from entering fluid circuit, and accurately measure adding amount the working medium degassing in fluid reservoir.Fluid circuit drying time can effectively be shortened, convenient filling experiment in time is adapted to popularization and application.
Description
Technical field
The utility model is related to fluid circuit loading technique field in space science experiment cabinet, more particularly to it is a kind of it is new just
Take formula fluid circuit filling apparatus.
Background technology
As the continuous enhancing of spacecraft function, polytype load are integrated in scientific experiment cupboards, make the work(of equipment
Consumption constantly increase, to meet the control to experiment cabinet humiture, certainty of the thermal control as Spacecraft guidance and control is carried out with fluid circuit
Selection.
Fluid circuit in scientific experiment cupboards is responsible for control load temperature change with heat on Temperature Distribution, maintenance spacecraft
Amount absorption, conversion and dissipation balance, the critical function for ensureing various electronic component normal works, therefore how to fluid circuit
Accurately filled, it is ensured that equipment safety reliability service, be the need for the problem that effect is solved.Traditional filling process of ground test
In occur that incoagulable gas enters fluid circuit, while also cannot accurate detection adding amount, these can all have influence on fluid return
Incalculable consequence is brought on road to the collection of heat, transmission and dissipation, the operation to spacecraft.Further, since fluid circuit
Bend pipe is more, complex structure, the not volatile discharge of residual liquid after the completion of filling, can bring influence to the efficiency for filling again.
Utility model content
Technology solve problem of the present utility model is：For fluid circuit tradition filling process in incoagulable gas enter with
And cannot accurate detection adding amount problem, it is proposed that a kind of novel portable fluid circuit filling apparatus, the device can be used
In fluid circuit is carried out blowing displacement, vacuumize, working medium filling and the dry operation in loop.
Above-mentioned purpose of the present utility model is achieved by following technical solution：
A kind of novel portable fluid circuit filling apparatus, for being filled to fluid circuit, the fluid circuit
Two ends are respectively arranged with the first fast plug and the second fast plug；The fluid circuit filling apparatus include pipe-line system, matter
Amount flowmeter, pumped vacuum systems, air distribution system, fluid reservoir and recycling can, and the feed tube matched with two fast plugs
And liquid back pipe；The external interface of the pipe-line system includes filler, refluxing opening, vacuum orifice, exhaust outlet, air pressure mouth, feed liquor
Mouth, air inlet and leakage fluid dram, pipe-line system include some pipelines and valve, and the pipeline is connected with each other such that phase between each interface
Intercommunicated, the valve is laid in pipeline, controls the connected state between each interface, wherein：
The filler quality of connection flowmeter of pipe-line system, the other end connection feed tube of mass flowmenter, works as feed tube
Other end when be connected with the first fast plug matching, the inner space of feed tube and fluid circuit；The refluxing opening of pipe-line system
Connection liquid back pipe, when the other end of liquid back pipe is connected with the second fast plug matching, liquid back pipe connects with the inner chamber of fluid circuit
It is logical；The vacuum orifice of pipe-line system is connected with pumped vacuum systems；The exhaust outlet of pipe-line system is external open ports；Pipe-line system
Air pressure mouthful is connected with the air inlet of fluid reservoir, and the liquid outlet of fluid reservoir is connected with the inlet of pipe-line system, fluid reservoir internal memory
Storage filling liquid；The air inlet of pipe-line system is connected with air distribution system, and the air distribution system is used for injecting inertia in air inlet
Gas；The leakage fluid dram of pipe-line system is connected with recycling can, and the recycling can is used to deposit the fifth wheel from leakage fluid dram discharge.
In above-mentioned novel portable fluid circuit filling apparatus, pipe-line system includes some pipelines, 9 valves and the
Tow filtrator；9 valves are respectively V1, V2, V3, V4, V5, V6, V7, V8, V9, wherein：One end of V1 by pipeline with
Filler is connected, and the other end is connected by pipeline with V6, V4, V9 respectively；The other end of V6 is connected by pipeline with inlet；V4
The other end be connected with air inlet and V7 by pipeline respectively, the other end of V7 is connected by pipeline with air pressure mouth；V9's is another
End is connected by pipeline with V2, V3, V8, V5 respectively；The other end of V2 is connected by pipeline with refluxing opening；The other end of V3 passes through
Pipeline is connected with vacuum orifice；The V8 other ends are connected by pipeline with the second filter, and the other end of second filter leads to
Pipeline is crossed to be connected with exhaust outlet；The other end of V5 is connected by pipeline with leakage fluid dram.
In above-mentioned novel portable fluid circuit filling apparatus, the valve of pipe-line system is arranged on same operating surface
On plate.
In above-mentioned novel portable fluid circuit filling apparatus, pumped vacuum systems includes the electromagnetism pressure difference being sequentially connected
Valve, vacuum meter and vacuum pump set, wherein：The other end of electromagnetism valve for pressure difference is connected with the vacuum orifice of pipe-line system, vacuum pump set
Offer vacuumizes power.
In above-mentioned novel portable fluid circuit filling apparatus, air distribution system includes gas tank, heater, the first filtering
Device, source of the gas main valve and constant pressure pressure-reducing valve, and two barometers, wherein：The delivery outlet of gas tank connects the air inlet of heater；Plus
The delivery outlet of hot device connects the first filter；The other end of the first filter is connected by pipeline with source of the gas main valve；Source of the gas main valve
The other end be connected with constant pressure pressure-reducing valve by pipeline；The other end of constant pressure pressure-reducing valve is connected with the air inlet of pipe-line system；One
Individual barometer is arranged between source of the gas main valve and constant pressure pressure-reducing valve, another barometer be arranged on constant pressure pressure-reducing valve and air inlet it
Between.
The utility model has the advantages that compared with prior art：
(1), fluid circuit filling apparatus of the present utility model, can vacuumize before fluid circuit filling to system, and
Working medium is deaerated, can effectively prevent incoagulable gas from entering fluid circuit；
(2), fluid circuit filling apparatus of the present utility model, mass flowmenter is provided with filler, can be to filling
Amount is accurately measured；
(3), each several part of the present utility model can carry out modular combination, be easy in Mobile operating platform over-assemble, behaviour
Facilitate, the device can meet requirement of the fluid circuit to liquid filling, and filling efficiency can be improved again.
Brief description of the drawings
Fig. 1 is a kind of structural representation of novel portable fluid circuit filling apparatus of the present utility model.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Novel portable fluid circuit filling apparatus of the present utility model, for being filled to fluid circuit 7, the fluid
The two ends in loop 7 are respectively arranged with the first fast plug and the second fast plug, and this fast plug has self-enclosed function.Such as
Shown in Fig. 1, the utility model includes pipe-line system 1, mass flowmenter 2, pumped vacuum systems 3, air distribution system 4, fluid reservoir 5 and returns
Closed cans 6, and the feed tube and liquid back pipe matched with two fast plugs.
(1) structure composition
(1) pipe-line system
The external interface of the pipe-line system 1 in the utility model includes filler 11, refluxing opening 12, vacuum orifice 13, row
Gas port 14, air pressure mouthful 15, inlet 16, air inlet 17 and leakage fluid dram 18.Pipe-line system 1 includes some pipelines and valve, these
Pipeline is interconnected between being connected with each other such that each interface, and the valve is laid in pipeline, controls the connection between each interface
State.
Pipe-line system 1 includes some pipelines, 9 valves and the second filter 19.This 9 valves be respectively V1, V2, V3,
V4, V5, V6, V7, V8, V9, wherein：One end of V1 is connected by pipeline with filler 11, the other end respectively by pipeline and V6,
V4, V9 are connected；The other end of V6 is connected by pipeline with inlet；The other end of V4 is respectively by pipeline and air inlet 17 and V7
It is connected, the other end of V7 is connected by pipeline with air pressure mouthful；The other end of V9 is connected by pipeline with V2, V3, V8, V5 respectively；
The other end of V2 is connected by pipeline with refluxing opening 12；The other end of V3 is connected by pipeline with vacuum orifice 13；The V8 other ends
It is connected with the second filter 19 by pipeline, the other end of second filter 19 is connected by pipeline with exhaust outlet, the mistake
Filter can be used to detect the fifth wheel discharge situation of pipe-line system.The other end of V5 passes through pipeline and the phase of leakage fluid dram 18
Even.
In concrete engineering, for the ease of being controlled to each valve, 9 valves by more than are arranged on same operating surface
It is easy to operate on plate.
(2) mass flowmenter
Real-time monitoring is carried out to adding amount using mass flowmenter in the utility model, when Practical Project is realized, can be with
Using high accuracy coriolis mass flowmeters, its accuracy of measurement is high, and crushing is small, can directly obtain the mass flow of filling.
(3) pumped vacuum systems
In the utility model, pumped vacuum systems 3 is used to carry out vacuumize process to whole device.As shown in figure 1, vacuumizing
System 3 includes the electromagnetism valve for pressure difference 31, vacuum meter 32 and the vacuum pump set 33 that are sequentially connected, wherein：Electromagnetism valve for pressure difference 31 it is another
End is connected with the vacuum orifice 13 of pipe-line system, and vacuum pump set 33 is provided and vacuumizes power；Vacuum meter 32 is used to enter vacuum
Row measurement, electromagnetism valve for pressure difference 31 is used to control the air flue connected state of pumped vacuum systems.
(4) air distribution system
Air distribution system 4 includes gas tank 41, heater 42, the first filter 43, source of the gas main valve 44 and constant pressure pressure-reducing valve 45, with
And two barometers.Wherein：The delivery outlet of gas tank 41 connects the air inlet of heater 42；The delivery outlet connection first of heater 42
Filter 43, the heater 42 is used to heat the inert gas of gas tank output, for system dried process, and the first mistake
Filter 43 can prevent impurity from entering pipe-line system.The other end of the first filter 43 is connected by pipeline with source of the gas main valve 44,
The source of the gas main valve is used to control being opened or closed for the gas distribution channel of air distribution system.The other end of source of the gas main valve 44 by pipeline with
Constant pressure pressure-reducing valve 45 is connected, and the constant pressure pressure-reducing valve is used to be adjusted the pressure of inert gas；Constant pressure pressure-reducing valve 45 it is another
End is connected with the air inlet 17 of pipe-line system.
In addition, for the inert gas air pressure of the output of real-time monitored air distribution system 4, two barometers are provided with altogether.Wherein,
One barometer is arranged between source of the gas main valve 44 and constant pressure pressure-reducing valve 45, the inert gas pressure for testing gas tank output；
Another barometer is arranged between constant pressure pressure-reducing valve 45 and air inlet 17, the inert gas pressure after being adjusted for measuring air pressure
By force, it is easy to control the inert gas of air distribution system output to be in setting pressure range.
(5) fluid reservoir and recycling can
In the utility model, fluid reservoir 5 is used to store filling liquid, mainly including the air inlet on tank body, and tank body
And liquid outlet.And recycling can 6 is used to deposit the fifth wheel excluded from pipe-line system.
(6) module annexation
For the ease of in Mobile operating platform over-assemble, each several part of the present utility model can carry out modular combination.Its
Annexation is as follows：
The quality of connection flowmeter 2 of filler 11 of pipe-line system, the other end connection feed tube of mass flowmenter 2, when entering
When the other end of liquid pipe is connected with the first fast plug matching, the inner space of feed tube and fluid circuit 7；Pipe-line system return
Head piece 12 connects liquid back pipe, when the other end of liquid back pipe is connected with the second fast plug matching, liquid back pipe and fluid circuit 7
Inner space；The vacuum orifice 13 of pipe-line system is connected with pumped vacuum systems 3；The exhaust outlet 14 of pipe-line system is externally unlimited
Mouthful；The air pressure of pipe-line system mouthful 15 is connected with the air inlet of fluid reservoir 5, and fluid reservoir 5 liquid outlet and the feed liquor of pipe-line system
Mouth 16 is connected, the memory storage filling liquids of fluid reservoir 5；The air inlet 17 of pipe-line system is connected with air distribution system 4, the air distribution system
4 are used for injecting inert gas in air inlet 17；The leakage fluid dram 18 of pipe-line system is connected with recycling can 6, and the recycling can is used for
Deposit the fifth wheel from the discharge of leakage fluid dram 18.
(2) charging method
The workflow of portable fluid loop of the present utility model filling apparatus is as follows：
Step one：Pipeline is purified
Before the fast plug of fluid circuit 7 is connected with feed tube and liquid back pipe, using air distribution system 4 to pipeline system
The inert gas of injection setting pressure in system 1 so that the fifth wheel discharge in pipe-line system 1, implements process as follows：
(1a), when all valves are in closed mode, line opens valve V4, V9, V5；Then, air distribution system 4 leads to
Air inlet 17 is crossed to the inert gas that setting pressure is injected in pipe-line system 1, the inert gas flows through valve V4, V9, V5 institute
Pipeline, the fifth wheel in the pipeline is blown into recycling can 6 from leakage fluid dram 18；
(1b), V1 is opened, and close V9 and V5, air distribution system 4 is pressed by air inlet 17 to setting is injected in pipe-line system 1
The inert gas of power, the inert gas flow through valve V4, V1 where pipeline, by the fifth wheel in the pipeline from filler
11 blowouts；
(1c), V9 and V2 is opened, and close V1, air distribution system 4 is pressed by air inlet 17 to setting is injected in pipe-line system 1
The inert gas of power, the inert gas flow through valve V4, V9, V2 where pipeline, by the fifth wheel in the pipeline from return
Head piece 12 blows out；
(1d), close all valves after, repeat step (1a)~(1c), to pipe-line system in without stopping after fifth wheel.
Step 2：Fluid circuit gas displacement and vacuumize
The fast plug of fluid circuit 7 is connected with feed tube and liquid back pipe matching, gas then is carried out to fluid circuit 7
Displacement so that inert gas is full of in fluid circuit 7, then using pumped vacuum systems 3, is entered to fluid circuit 7 and pipe-line system 1
Row is vacuumized, and evacuates degassing to the working medium in fluid reservoir 5, implements process as follows：
(2a), valve V4, V1, V2, V8 are opened successively；Air distribution system 4 is set to being injected in pipe-line system 1 by air inlet 17
The inert gas of constant-pressure；The inert gas flows through pipeline where valve V4, V1, and flows through mass flowmenter 2 and feed tube
Afterwards, into fluid circuit 7；The inert gas flows out from liquid back pipe, and pipeline and the second filter where flowing through V2 and V8
19, discharged from exhaust outlet 14 afterwards；
(2b), afterwards, V4 and V8 is closed successively；
(2c), repeat step (2a)~(2b), after in fluid circuit 7 full of inert gas, into step (2d)；
(2d), open pumped vacuum systems 3, and gradually the aperture of increase V3, V9 to opening completely；The pumped vacuum systems
3 are under open mode in V1, V2, V3, V9, carry out vacuum pumping；Then V4 and V7 is opened, to the working medium in fluid reservoir 5
Degassing is evacuated, V4 and V7 is closed after certain hour；
(2e), when vacuumize the vacuum in region reach setting index after, close V3, V2 and pumped vacuum systems 3.
Step 3：Fluid circuit is filled
Fluid circuit 7 is filled, in filling liquid injection fluid circuit 7 that will be in fluid reservoir, was implemented
Journey is as follows：
(3a), fluid circuit 7 and the connection between feed tube and liquid back pipe are disconnected, keep the vacuum of fluid circuit；So
Open V7, V6, V1 successively afterwards；Air distribution system 4 injects the inert gas of certain pressure by the pipeline where V7 to fluid reservoir 5；
The servicing fluids of fluid reservoir 5 are extruded from feed tube under the pressure effect of the inert gas；When the instantaneous matter of mass flowmenter 2
After amount flow registration stabilization, feed liquor pipe port is closed；
(3b), to the clear total amount of mass flowmenter 2 after, the fast plug matching of feed tube and fluid circuit 7 is connected, liquid storage
The servicing fluids of tank 5 are injected into fluid circuit 7；
(3c), when the mass accumulation of mass flowmenter 2 is constant, the connection of fluid circuit 7 and feed tube is disconnected, and closed
V1、V6、V7。
Additional step：Fluid circuit is cleaned and dried process
Before being filled, cleaning treatment can be carried out to fluid circuit 7 by the following method：
(a), fluid circuit 7 is carried out into matching with feed tube and liquid back pipe it is connected；
(b), valve V4, V1, V2 and V5 are opened successively；Air distribution system 4 injects inert gas from air inlet 17；The inertia
From leakage fluid dram 18 be blown into recycling can 6 working medium in fluid circuit 7 by gas.
Before being filled, treatment can be dried to fluid circuit 7 by the following method：
(a), fluid circuit 7 is carried out into matching with feed tube and liquid back pipe it is connected；
(b), valve V4, V1, V2 and V5 are opened successively；Air distribution system 4 injects inert gas from air inlet 17；Wherein distribution
System 4 includes heater, and the heater is heated to inert gas；Inert gas after heating flows through fluid circuit 7, and it is right to realize
The dried process of fluid circuit 7.
Novel portable fluid circuit filling apparatus of the present utility model, are integrated on movable operation platform, transporter
Just, realization is replaced to fluid circuit blowing, vacuumized, working medium is filled and the dry operation in loop, and working medium can be deaerated, can be effective
Prevent incoagulable gas and impurity in filling process from entering fluid circuit, and accurately measure adding amount.Fluid can effectively be shortened to return
Road drying time, convenient filling experiment in time is adapted to popularization and application.
The content not being described in detail in the utility model specification belongs to the known technology of those skilled in the art.
Claims (5)
1. a kind of novel portable fluid circuit filling apparatus, for being filled to fluid circuit (7), the fluid circuit
(7) two ends are respectively arranged with the first fast plug and the second fast plug, it is characterised in that：Including pipe-line system (1), quality
Flowmeter (2), pumped vacuum systems (3), air distribution system (4), fluid reservoir (5) and recycling can (6), and with two fast plug phases
The feed tube and liquid back pipe of matching；The external interface of the pipe-line system (1) includes filler (11), refluxing opening (12), takes out true
Eat dishes without rice or wine (13), exhaust outlet (14), air pressure mouthful (15), inlet (16), air inlet (17) and leakage fluid dram (18), pipe-line system (1)
Including some pipelines and valve, the pipeline is interconnected between being connected with each other such that each interface, and the valve is laid in pipeline
In, the connected state between each interface is controlled, wherein：
Filler (11) quality of connection flowmeter (2) of pipe-line system, the other end connection feed tube of mass flowmenter (2), when
When the other end of feed tube is connected with the first fast plug matching, the inner space of feed tube and fluid circuit (7)；Pipe-line system
Refluxing opening (12) connection liquid back pipe, when the other end and the second fast plug of liquid back pipe are matched to be connected, liquid back pipe and fluid
The inner space in loop (7)；The vacuum orifice (13) of pipe-line system is connected with pumped vacuum systems (3)；The exhaust outlet of pipe-line system
(14) it is external open ports；The air pressure of pipe-line system mouthful (15) is connected with the air inlet of fluid reservoir (5), and fluid reservoir (5) go out
Liquid mouthful is connected with the inlet (16) of pipe-line system, fluid reservoir (5) memory storage filling liquid；The air inlet (17) of pipe-line system with
Air distribution system (4) is connected, and the air distribution system (4) is for injection inert gas in air inlet (17)；The discharge opeing of pipe-line system
Mouth (18) is connected with recycling can (6), and the recycling can is used to deposit the fifth wheel from leakage fluid dram (18) discharge.
2. a kind of novel portable fluid circuit filling apparatus according to claim 1, it is characterised in that：Pipe-line system
(1) including some pipelines, 9 valves and the second filter (19)；9 valves be respectively V1, V2, V3, V4, V5, V6,
V7, V8, V9, wherein：
One end of V1 is connected by pipeline with filler (11), and the other end is connected by pipeline with V6, V4, V9 respectively；V6's is another
One end is connected by pipeline with inlet (16)；The other end of V4 is connected by pipeline with air inlet (17) and V7 respectively, V7's
The other end is connected by pipeline with air pressure mouthful；The other end of V9 is connected by pipeline with V2, V3, V8, V5 respectively；The other end of V2
It is connected with refluxing opening (12) by pipeline；The other end of V3 is connected by pipeline with vacuum orifice (13)；The V8 other ends are by pipe
Road is connected with the second filter (19), and the other end of second filter (19) is connected by pipeline with exhaust outlet；V5's is another
One end is connected by pipeline with leakage fluid dram (18).
3. a kind of novel portable fluid circuit filling apparatus according to claim 1, it is characterised in that：Pipe-line system
Valve is arranged on same guidance panel.
4. a kind of novel portable fluid circuit filling apparatus according to claim 1, it is characterised in that：Pumped vacuum systems
(3) including the electromagnetism valve for pressure difference (31), vacuum meter (32) and the vacuum pump set (33) that are sequentially connected, wherein：Electromagnetism valve for pressure difference (31)
The other end be connected with the vacuum orifice (13) of pipe-line system, vacuum pump set (33) provide vacuumize power.
5. a kind of novel portable fluid circuit filling apparatus according to claim 1, it is characterised in that：Air distribution system
(4) including gas tank (41), heater (42), the first filter (43), source of the gas main valve (44) and constant pressure pressure-reducing valve (45), and two
Individual barometer, wherein：The air inlet of delivery outlet connection heater (42) of gas tank (41)；The delivery outlet connection the of heater (42)
One filter (43)；The other end of the first filter (43) is connected by pipeline with source of the gas main valve (44)；Source of the gas main valve (44)
The other end is connected by pipeline with constant pressure pressure-reducing valve (45)；The other end of constant pressure pressure-reducing valve (45) and the air inlet of pipe-line system
(17) it is connected；One barometer is arranged between source of the gas main valve (44) and constant pressure pressure-reducing valve (45), and another barometer is arranged on
Between constant pressure pressure-reducing valve (45) and air inlet (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342970.0U CN206308002U (en) | 2016-12-08 | 2016-12-08 | A kind of novel portable fluid circuit filling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342970.0U CN206308002U (en) | 2016-12-08 | 2016-12-08 | A kind of novel portable fluid circuit filling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308002U true CN206308002U (en) | 2017-07-07 |
Family
ID=59250056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342970.0U Expired - Fee Related CN206308002U (en) | 2016-12-08 | 2016-12-08 | A kind of novel portable fluid circuit filling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206308002U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542488A (en) * | 2016-12-08 | 2017-03-29 | 北京航天试验技术研究所 | A kind of novel portable fluid circuit filling apparatus |
| CN109693284A (en) * | 2018-12-29 | 2019-04-30 | 福建省格绿木业有限公司 | A kind of plate fungus-proof antisepsis device and method |
| CN110793245A (en) * | 2019-10-31 | 2020-02-14 | 合肥华凌股份有限公司 | Vacuumizing method, refrigerant filling method and refrigerator |
| CN111076090A (en) * | 2019-12-31 | 2020-04-28 | 中国东方电气集团有限公司 | Water injection system and control method |
-
2016
- 2016-12-08 CN CN201621342970.0U patent/CN206308002U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542488A (en) * | 2016-12-08 | 2017-03-29 | 北京航天试验技术研究所 | A kind of novel portable fluid circuit filling apparatus |
| CN106542488B (en) * | 2016-12-08 | 2019-09-20 | 北京航天试验技术研究所 | A kind of novel portable fluid circuit filling apparatus |
| CN109693284A (en) * | 2018-12-29 | 2019-04-30 | 福建省格绿木业有限公司 | A kind of plate fungus-proof antisepsis device and method |
| CN110793245A (en) * | 2019-10-31 | 2020-02-14 | 合肥华凌股份有限公司 | Vacuumizing method, refrigerant filling method and refrigerator |
| CN110793245B (en) * | 2019-10-31 | 2021-08-10 | 合肥华凌股份有限公司 | Vacuumizing method, refrigerant filling method and refrigerator |
| CN111076090A (en) * | 2019-12-31 | 2020-04-28 | 中国东方电气集团有限公司 | Water injection system and control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20171208 |