CN110371917A - A kind of fluid circuit automatic filling device and charging method - Google Patents
A kind of fluid circuit automatic filling device and charging method Download PDFInfo
- Publication number
- CN110371917A CN110371917A CN201910482791.9A CN201910482791A CN110371917A CN 110371917 A CN110371917 A CN 110371917A CN 201910482791 A CN201910482791 A CN 201910482791A CN 110371917 A CN110371917 A CN 110371917A
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- pipeline
- valve
- liquid
- ball valve
- electrical ball
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/36—Arrangements of flow- or pressure-control valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/72—Devices for applying air or other gas pressure for forcing liquid to delivery point
- B67D7/725—Devices for applying air or other gas pressure for forcing liquid to delivery point using negative pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
- B67D7/763—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators of air separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
Abstract
The invention discloses a kind of fluid circuit automatic filling device and charging methods, by on the pipeline of filling apparatus Primordial Qi road pressure reducing valve and manual ball valve replace with electronic pressure reducing valve and solenoid valve, the manual modulation valve of filling apparatus original liquid back pipe road is replaced with into electric control valve, flow switch is installed on the pipeline of liquid-sighting glass connection overflow launder；Other manual ball valves on pipeline replace with electrical ball valve.The present invention can be realized automation, reduce human resources, improve filling precision.
Description
Technical field
The present invention relates to spacecraft pipe-line system technical fields, and in particular to a kind of fluid circuit automatic filling device and adds
Injecting method.
Background technique
Spacecraft fluid circuit needs to carry out the filling work of liquid working substance, and filling work is the key that ring in development process
Section carries out the filling work of working medium using fluid circuit automatic filling vehicle.
Working medium filling work include filling vehicle self-test, working medium degassing, system vacuumizes, system is added, accumulator fill with
And the links such as high temperature amount is released, adding amount calculates, process is complicated, and does not have invertibity.Meanwhile working medium filling work is to filling
Pressure controling precision requires high, it is desirable that precision is better than 0.01MPa.
Usually used filling vehicle includes vacuumizing pump truck, filling tank truck, vacuumizes pump truck usually by mechanical pump or oil
Pump group at；As shown in Figure 1, filling tank truck is usually made of fluid reservoir, overflow launder, vacuum gauge, pressure gauge, pipeline, valve, wherein
Pipeline is divided into gas circuit, fluid path, vacuumizes circuit, is related to nearly 20 pipe valves, and valve is divided into ball valve, needle-valve.
In filling process, each valve carries out switch operation according to process, overall process more than 150 valves of estimated progress
Manual switch operation.Meanwhile filling vehicle, for volume compact, pipeline and valve stereoscopic arrangement, pipeline interweaves, valve is anyhow not
One, easily there is the possibility of maloperation in when manual operation.Due to filling the irreversibility of process, if accidentally grasping occurs in intermediate link
Make, gently then need to restart whole processes, seriously then even need to carry out the exclusion work of working medium, extra band comes 5~8 days
Working time, the development progress of entire spacecraft is influenced very big.
Filling pressure carries out control output by pressure reducing valve, and there are meetings in certain hysteresis quality and filling process for pressure control
Dynamic change, pressure controling precision are poor.Need to be slow in one's movements when the rotating nuts control filling pressure of operator's rotating pressure-decreasing valve,
And it needs in real time according to pressure gauge reading dynamic adjustment by hand, to personnel requirement height, control accuracy difference.
Manual operation needle-valve is needed accurately release by several times in addition, the high temperature in filling process releases link, essence of releasing
Degree ± 2mm, to personnel's high operation requirements, and process is irreversible.Meanwhile after the completion of releasing, need manually to carry out the reading of liquid level,
Calculate adding amount.
Currently, being commanded for the smooth implementation for guaranteeing filling work using 1 people, 1 people operates filling vehicle, and 1 people operates decompression
Valve, 1 people confirmation, troop's mode of 1 personal data interpretation 5 People, entire filling process continue 3~4 days, low efficiency, greatly wave
Human resources are taken.
Therefore, a kind of fluid circuit automatic filling device is designed, to the degree of automation for improving working medium filling, reduces manpower
Resource improves filling precision, reduces maloperation risk and is of great significance.
Summary of the invention
In view of this, can be realized automatic the present invention provides a kind of fluid circuit automatic filling device and charging method
Change, reduce human resources, improves filling precision.
The technical solution adopted by the present invention is as follows:
A kind of fluid circuit automatic filling device, by the pipeline of filling apparatus Primordial Qi road pressure reducing valve and manual ball valve replace
For electronic pressure reducing valve and solenoid valve, the manual modulation valve of filling apparatus original liquid back pipe road is replaced with into electric control valve, depending on liquid
Flow switch is installed on the pipeline of mirror connection overflow launder；Other manual ball valves on pipeline replace with electrical ball valve.
Further, the loading system uses magnetostriction liquidometer.
A kind of fluid circuit automatic filling method, using above-mentioned filling apparatus, automatic filling method and step is as follows:
Step 1 automatically controls the electricity that solenoid valve, the liquid feeding pipeline of gas circuit pipe road are connected on pipeline with liquid storage upper box part
Dynamic ball valve and liquid storage lower box part are connected to the filter the closing of the electrical ball valve on pipeline, while automatically controlling and vacuumizing circuit
Upper electrical ball valve, the electric control valve of liquid back pipe road, liquid feeding pipeline be connected with vacuum gauge I electrical ball valve on pipeline, take out
Electrical ball valve and liquid back pipe road on vacuum loop are connected the unlatching of the electrical ball valve on pipeline with vacuum gauge III, are taken out
Vacuum self-test；
Step 2, after liquid reserve tank liquid filling, automatically control electrical ball valve that liquid back pipe road is connected on pipeline with vacuum gauge III,
Liquid feeding pipeline is connected the electrical ball valve of pipeline with vacuum gauge I and liquid storage lower box part is connected to the filter electric ball on pipeline
The closing of valve, while automatically controlling and vacuumizing electrical ball valve on circuit, the electric control valve of liquid back pipe road and liquid feeding pipeline
The unlatching for the electrical ball valve being connected on pipeline with liquid storage upper box part is de-gassed fluid reservoir working medium；
Step 3, connection filling object, automatically controls solenoid valve, liquid feeding pipeline and the liquid storage upper box part phase of gas circuit pipe road
The electrical ball valve and liquid storage lower box part of connecting leg road are connected to the filter the closing of the electrical ball valve on pipeline, while automatic control
System vacuumizes electrical ball valve on circuit, the electric control valve of liquid back pipe road and liquid feeding pipeline and is connected with vacuum gauge I pipeline
On electrical ball valve, vacuumize electrical ball valve on circuit and electric ball that liquid back pipe road is connected on pipeline with vacuum gauge III
The unlatching of valve, is vacuumized；
Step 4, by automatically controlling electrical ball valve, the gas circuit pipe road that liquid storage lower box part is connected to the filter on pipeline
Electronic pressure reducing valve and solenoid valve and the electric control valve of liquid back pipe road unlatching, simultaneously close off the electricity vacuumized on circuit
Be connected with vacuum gauge III electrical ball valve, liquid feeding pipeline on pipeline of dynamic ball valve, liquid back pipe road is connected on pipeline with vacuum gauge I
Electrical ball valve and liquid feeding pipeline be connected with liquid storage upper box part the electrical ball valve on pipeline, carry out working medium filling；
Step 5 carries out back liquid detection by flow switch, automatically controls liquid back pipe road electric adjustable after detecting back liquid
The closing for saving valve continues working medium filling；
Step 6 stops working medium filling, automatically controls liquid storage lower box part and is connected to the filter the electrical ball valve on pipeline
Close, according to the liquid level feedback of filling object, by automatically controlling the opening angle and rate of the electric control valve, automatically into
Row working medium is released, and the capacity of the working medium corresponds to the volume expansion amount under in-orbit worst hot case.
The utility model has the advantages that
The present invention by replacing with electronic pressure reducing valve, solenoid valve, electricity for pressure reducing valve, manual ball valve, manual modulation valve respectively
Dynamic regulating valve and electrical ball valve improve filling pressure, the high temperature amount of releasing, adding amount by valve automation control means
Precision is controlled, is reduced and the requirement to personnel's operation；Secondly, realize filling vehicle self-test, working medium degassing, system vacuumize,
System filling, accumulator filling, the high temperature amount of releasing, adding amount calculate overall process automation control, effectively prevent personnel mistake
Bring risk is operated, and greatly improves filling efficiency, reduces the occupancy of human resources, personnel are reduced to by being no less than 5 people
It (is mutually backups) no more than 2 people, saves artificial 9 man day.Furthermore liquid is filled back using flow switch detection, substitution manually passes through
The liquid flowing of liquid-sighting glass observation judges the mode of filling process, realizes the automatization judgement of filling process.
Detailed description of the invention
Fig. 1 is that traditional filling apparatus simplifies piping diagram, and valve number is less than physical device in simplification figure；
Fig. 2 is that automatic filling device of the present invention simplifies piping diagram, and valve number is less than physical device in simplification figure.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
A kind of fluid circuit automatic filling device is present embodiments provided, as shown in Figure 1 and Figure 2, will be subtracted on the pipeline of Primordial Qi road
Pressure valve and manual ball valve BV33 replace with electronic pressure reducing valve PDV01 and solenoid valve ECV33, and it is gentle to realize that filling air pressure accurately controls
Road break-in facility；Using electronic pressure reducing valve to filling admission pressure carry out fast accurate control, realize pressure filling pressure 0~
1MPa, precision 0.005MPa, the accurate control of response time.Pressure control is carried out without manual control pressure reducing valve, realizes filling
The automation control of pressure, avoids artificial incorrect operation.
The manual modulation valve BV02 of former liquid back pipe road is replaced with into electric control valve EVD02, realize circuit adding amount and
The accurate control of pressure is filled, controls the high temperature amount of releasing within ± 2mm；The essence of circuit adding amount is carried out using electric control valve
Really control, it is desirable that the valve linearity is good, controls high resolution, and the accurate emission control of the high temperature amount of releasing may be implemented, and controls liquid
Position ± 2mm.The artificial repeatedly amount of releasing control is substituted, realizes the automation control of the high temperature amount of releasing, guarantee control precision and is avoided
Maloperation.
Increase flow switch Q, detection filling working medium reflux on the pipeline of liquid-sighting glass connection overflow launder, control filled
Journey.
Other manually-operated gates on pipeline are changed into electrical ball valve.Each link control of filling process is realized using electrical ball valve
System realizes that filling vehicle automaticly inspects process, automatic deaerating process, automatic vacuum process and automatic filling process；Electric ball
Valve can be resistant to high vacuum and positive pressure 1MPa；Electrical ball valve have switch limit feedback, have in stop function, centre can be parked in
Position.Without manually carrying out valve control, realizes valve automation control, avoid artificial incorrect operation.
Using magnetostriction liquidometer, fluid reservoir is detected, the liquid level of overflow launder carries out adding amount calculating.
Automatic filling method and step is as follows:
Step 1, the not connected filling object of automatic filling device, interface A mouthfuls of liquid-feeding tube road filling and liquid back pipe road are returned
B mouthfuls of liquid interface short circuits automatically control solenoid valve ECV33, filling interface A mouthfuls and the liquid reserve tank of control gas circuit pipe road by software
Electrical ball valve EV32, liquid storage lower box part on the connected pipeline in top are connected to the filter the closing of electrical ball valve EV01 on pipeline,
Automatically control simultaneously vacuumize vacuum pump on circuit on II VM2 connecting line of vacuum gauge electrical ball valve EV17, vacuumize
On circuit vacuum pump interface D mouthfuls on overflow launder connecting line electrical ball valve EV12, liquid back pipe road return liquid interface B mouthful with very
Sky regulates electrical ball valve EV16, time liquid interface B mouthfuls and the electric control valve on overflow launder connecting line on III VM3 connecting line
EDV02 and filling interface A mouthfuls and the unlatching of the electrical ball valve EV15 on I VM1 connecting line of vacuum gauge, carry out vacuumizing behaviour
Make, vacuum degree is transferred to pressure maintaining link after meeting the requirements automatically, after reaching the regulation dwell time, provides self-detection result, terminates self-test；
In entire filling process, electrical ball valve EV41, EV43, EV51, EV52 are constantly in closed state；
Step 2 after liquid reserve tank liquid filling, automatically controls liquid back pipe road and returns liquid interface B mouthfuls and connect with III VM3 of vacuum gauge
Electrical ball valve EV16 on pipeline, interface A mouthfuls of filling on I VM1 connecting line of vacuum gauge electrical ball valve EV15 and storage
Liquid case lower part is connected to the filter the closing of the electrical ball valve EV01 on pipeline, while automatically controlling and vacuumizing electric ball on circuit
Valve EV17 and EV12, liquid back pipe road electric control valve EDV02 and filling interface and liquid storage upper box part connecting line on
The unlatching of electrical ball valve EV32 is de-gassed fluid reservoir working medium, deaerates and is transferred to standing after meeting pressure requirements, in pressure
Degassing is stood again after rising, and circulation is not changing until meeting degassing pressure, and degassing terminates；
Step 3, connection filling object, interface A mouthful and time liquid interface B mouthfuls of filling respectively with fill object and be connected to；By soft
Part automatically controls the solenoid valve ECV33 of gas circuit pipe road, fills interface A mouthfuls and the electrical ball valve on liquid storage upper box part connecting line
EV32, liquid storage lower box part are connected to the filter the closing of electrical ball valve EV01 on pipeline, while automatically controlling and vacuumizing on circuit
Electrical ball valve EV17 and EV12, the electric control valve EDV02 of liquid back pipe road and electrical ball valve EV16 and filling interface A mouthful and
The unlatching of electrical ball valve EV15 on I VM1 connecting line of vacuum gauge, is vacuumized；Vacuum degree meet the requirements after from turn
Enter pressure maintaining link, after reaching the regulation dwell time, the system of providing is vacuumized as a result, vacuumizing and protecting if being unsatisfactory for being transferred to again
Pressure, until meeting the requirements；
Step 4, by automatically controlling electrical ball valve EV01, the gas circuit pipe that liquid storage lower box part is connected to the filter on pipeline
The unlatching of the electric control valve EDV02 of the electronic pressure reducing valve PDV01 and solenoid valve ECV33 and liquid back pipe road of road, simultaneously
It closes the electrical ball valve EV17 and EV12 vacuumized on circuit, fill interface A mouthfuls and the electricity on I VM1 connecting line of vacuum gauge
Dynamic ball valve EV15, liquid back pipe road are connected with III VM3 of vacuum gauge interface A mouthfuls of electrical ball valve EV16 on pipeline and filling and to be stored up
Electrical ball valve EV32 on the connecting line of liquid case top carries out working medium filling；
Step 5 carries out back liquid detection by flow switch Q, automatically controls liquid back pipe road electric adjustable after detecting back liquid
The closing for saving valve EDV02 continues working medium filling, guarantees that working medium enters circuit under gas pressure effect；In filling process,
Electronic pressure reducing valve PDV01 dynamic control filling pressure is constant；
Step 6 stops working medium filling, automatically controls liquid storage lower box part and is connected to the filter the electrical ball valve on pipeline
The closing of EV01.Under in-orbit worst hot case, because working medium density becomes smaller, volume expansion brings additional dilatation.To guarantee system
System safety, stop filling after, according to filling object liquid level feedback, by control electric control valve EDV02 opening angle and
Rate, the working medium for carrying out corresponding to in-orbit worst hot case volumetric expansion amount automatically are released.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (3)
1. a kind of fluid circuit automatic filling device, which is characterized in that by the pressure reducing valve and hand on the pipeline of filling apparatus Primordial Qi road
Dynamic ball valve replaces with electronic pressure reducing valve and solenoid valve, and the manual modulation valve of filling apparatus original liquid back pipe road is replaced with electric adjustable
Valve is saved, flow switch is installed on the pipeline of liquid-sighting glass connection overflow launder；Other manual ball valves on pipeline replace with electric ball
Valve.
2. fluid circuit automatic filling device as described in claim 1, which is characterized in that the loading system is stretched using mangneto
Contracting liquidometer.
3. a kind of fluid circuit automatic filling method, which is characterized in that use filling apparatus as described in claim 1, automatically
Steps are as follows for charging method:
Step 1 automatically controls the electric ball that solenoid valve, the liquid feeding pipeline of gas circuit pipe road are connected on pipeline with liquid storage upper box part
Valve and liquid storage lower box part are connected to the filter the closing of the electrical ball valve on pipeline, while automatic control vacuumizes circuit and powers on
Dynamic ball valve, the electric control valve of liquid back pipe road, liquid feeding pipeline be connected with vacuum gauge I electrical ball valve on pipeline, vacuumize
Electrical ball valve and liquid back pipe road on circuit are connected the unlatching of the electrical ball valve on pipeline with vacuum gauge III, are vacuumized
Self-test；
Step 2 after liquid reserve tank liquid filling, automatically controls liquid back pipe road and is connected with vacuum gauge III electrical ball valve, liquid feeding on pipeline
Pipeline is connected the electrical ball valve of pipeline with vacuum gauge I and liquid storage lower box part is connected to the filter electrical ball valve on pipeline
It closes, while automatically controlling and vacuumizing electrical ball valve on circuit, the electric control valve of liquid back pipe road and liquid feeding pipeline and storage
The unlatching of electrical ball valve on the connected pipeline in liquid case top, is de-gassed fluid reservoir working medium；
Step 3, connection filling object, solenoid valve, the liquid feeding pipeline for automatically controlling gas circuit pipe road are connected pipe with liquid storage upper box part
The electrical ball valve and liquid storage lower box part of road are connected to the filter the closing of the electrical ball valve on pipeline, while automatically controlling pumping
Electrical ball valve, the electric control valve of liquid back pipe road and liquid feeding pipeline are connected on pipeline with vacuum gauge I on vacuum loop
Electrical ball valve vacuumizes electrical ball valve on circuit and electrical ball valve that liquid back pipe road is connected on pipeline with vacuum gauge III
It opens, is vacuumized；
Step 4, the electricity for being connected to the filter electrical ball valve on pipeline, gas circuit pipe road by automatically controlling liquid storage lower box part
The unlatching of dynamic pressure reducing valve and solenoid valve and the electric control valve of liquid back pipe road, simultaneously closes off the electric ball vacuumized on circuit
Valve, liquid back pipe road are connected the electricity that electrical ball valve, liquid feeding pipeline on pipeline are connected on pipeline with vacuum gauge I with vacuum gauge III
Dynamic ball valve and liquid feeding pipeline are connected the electrical ball valve on pipeline with liquid storage upper box part, progress working medium filling；
Step 5 carries out back liquid detection by flow switch, automatically controls liquid back pipe road electric control valve after detecting back liquid
Closing, continue working medium filling；
Step 6 stops working medium filling, automatically controls the closing that liquid storage lower box part is connected to the filter the electrical ball valve on pipeline,
Work is carried out automatically by automatically controlling the opening angle and rate of the electric control valve according to the liquid level feedback of filling object
Matter is released, and the capacity of the working medium corresponds to the volume expansion amount under in-orbit worst hot case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910482791.9A CN110371917B (en) | 2019-06-04 | 2019-06-04 | Automatic filling device and method for fluid loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910482791.9A CN110371917B (en) | 2019-06-04 | 2019-06-04 | Automatic filling device and method for fluid loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110371917A true CN110371917A (en) | 2019-10-25 |
| CN110371917B CN110371917B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910482791.9A Active CN110371917B (en) | 2019-06-04 | 2019-06-04 | Automatic filling device and method for fluid loop |
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| CN (1) | CN110371917B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483969A (en) * | 2020-04-22 | 2020-08-04 | 中国科学院空间应用工程与技术中心 | Liquid working medium filling device and method applied to loop system |
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| CN111483969B (en) * | 2020-04-22 | 2022-01-28 | 中国科学院空间应用工程与技术中心 | Liquid working medium filling device and method applied to loop system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110371917B (en) | 2020-12-11 |
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