CN105240686A - Gas supply circuit used for controlling low-temperature gas-liquid connector - Google Patents
Gas supply circuit used for controlling low-temperature gas-liquid connector Download PDFInfo
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- CN105240686A CN105240686A CN201510590147.5A CN201510590147A CN105240686A CN 105240686 A CN105240686 A CN 105240686A CN 201510590147 A CN201510590147 A CN 201510590147A CN 105240686 A CN105240686 A CN 105240686A
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- solenoid valve
- normally open
- electromagnetic valve
- connector
- open solenoid
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Abstract
The invention provides a gas supply circuit used for controlling a low-temperature gas-liquid connector. The gas supply circuit comprises a gas source input end, a two-position five-way electromagnetic valve, a first normally-open electromagnetic valve, a second normally-open electromagnetic valve, a connector locking output end, a connector disengagement output end, a third normally-open electromagnetic valve, a two-position two-way electromagnetic valve, and a gas exhaust end. The first end of the two-position five-way electromagnetic valve is connected with the gas source input end. The first end of the first normally-open electromagnetic valve is connected with the second end of the two-position five-way electromagnetic valve. The first end of the second normally-open electromagnetic valve is connected with the third end of the two-position five-way electromagnetic valve. The connector locking output end is connected with the second end of the first normally-open electromagnetic valve. The connector disengagement output end is connected with the second end of the second normally-open electromagnetic valve. The first end of the third normally-open electromagnetic valve is connected with the third end of the second normally-open electromagnetic valve. The first end of the two-position two-way electromagnetic valve is connected with the gas source input end. The second end of the two-position two-way electromagnetic valve is connected with the second end of the second normally-open electromagnetic valve. The gas exhaust end is connected with the second end of the third normally-open electromagnetic valve. According to the gas supply circuit, the design of redundant backup of the two-position five-way electromagnetic valve is provided for coping with possible failures, and the reliability of the gas supply circuit is improved.
Description
Technical field
The present invention relates to air feed field, particularly relate to a kind of feeding pneumatic controlled for low temperature gas-liquid connector.
Background technique
At present, domestic and international cryogenic liquide rocket provides the solenoid valve of control gas usually to use single two five-way electromagnetic valves to realize for low temperature gas-liquid connector, generally need continuous firing to-2min before penetrating, and be single-point, do not design redundancy, directly can have influence on the progress of launching flow process once break down, even cause the termination of launching flow process, the target call that in task, " zero window " is launched cannot be realized.
Summary of the invention
The present invention is intended at least to overcome one of above-mentioned defect provides a kind of feeding pneumatic controlled for low temperature gas-liquid connector, also can electronicly be switched by two five-way electromagnetic valve redundancy backup designs, to improve the reliability of the feeding pneumatic controlled for low temperature gas-liquid connector.
For achieving the above object, technological scheme of the present invention is specifically achieved in that
One aspect of the present invention provides a kind of feeding pneumatic controlled for low temperature gas-liquid connector, comprising: air source input end;
Two five-way electromagnetic valves, the first end of described two five-way electromagnetic valves is connected with described air source input end; First normally open solenoid valve, the first end of described first normally open solenoid valve is connected with the second end of described two five-way electromagnetic valves; Second normally open solenoid valve, the first end of described second normally open solenoid valve is connected with the 3rd end of described two five-way electromagnetic valves; Connector locking output terminal, described connector locking output terminal is connected with the second end of described first normally open solenoid valve; Connector comes off output terminal, and the described connector output terminal that comes off is connected with the second end of described second normally open solenoid valve; 3rd normally open solenoid valve, the first end of described 3rd normally open solenoid valve is connected with the 3rd end of described second normally open solenoid valve; 2/2-way solenoid valve, the first end of described 2/2-way solenoid valve is connected with described air source input end, and the second end of described 2/2-way solenoid valve is connected with the second end of described second normally open solenoid valve; Venting end, described venting end is connected with the second end of described 3rd normally open solenoid valve.
In addition, feeding pneumatic also comprises: the first pressure transducer and/or the second pressure transducer; Wherein: described first pressure transducer, between the second end being arranged on described connector locking output terminal and described first normally open solenoid valve; Described second pressure transducer, be arranged on described connector come off output terminal and described second normally open solenoid valve the second end between.
In addition, feeding pneumatic also comprises: hand stop valve; Described hand stop valve, between the tie point being arranged on the first end of described air source input end and described two five-way electromagnetic valves and the first end of described 2/2-way solenoid valve.
As seen from the above technical solution provided by the invention, by the feeding pneumatic controlled for low temperature gas-liquid connector provided by the invention, the fault that may occur is dealt with in the design providing two five-way electromagnetic valve redundancy backups, the single point failure problem can solve carrier rocket cryogenic connector of new generation locking, coming off, improves the reliability of feeding pneumatic.
In addition, the automatic switchover of active and standby gas circuit can also be realized according to the image data of the first pressure transducer and/or the second pressure transducer, the functional reliability improving control connector locking and come off.Ensure that under unattended complex working condition, complete the target call that " zero window " is launched.
In addition, outside electronic air feed, can also can also realize manual air feed, improve the reliability of feeding pneumatic further.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The feeding pneumatic structural representation controlled for low temperature gas-liquid connector that Fig. 1 provides for the embodiment of the present invention 1;
The feeding pneumatic structural representation controlled for low temperature gas-liquid connector that Fig. 2 provides for the embodiment of the present invention 2;
The feeding pneumatic structural representation controlled for low temperature gas-liquid connector that Fig. 3 provides for the embodiment of the present invention 3;
The feeding pneumatic structural representation controlled for low temperature gas-liquid connector that Fig. 4 provides for the embodiment of the present invention 4.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail.
Embodiment 1
Fig. 1 shows the structural representation of the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 1 provides, and see Fig. 1, the feeding pneumatic controlled for low temperature gas-liquid connector that the embodiment of the present invention 1 provides, comprising:
Air source input end;
Two five-way electromagnetic valve WD, the first end of two five-way electromagnetic valve WD is connected with air source input end;
First normally open solenoid valve KD1, the first end of the first normally open solenoid valve KD1 is connected with second end of two five-way electromagnetic valve WD;
The first end of the second normally open solenoid valve KD2, the second normally open solenoid valve KD2 is connected with the 3rd end of two five-way electromagnetic valve WD;
Connector locking output terminal, connector locking output terminal is connected with second end of the first normally open solenoid valve KD1;
Connector comes off output terminal, and the connector output terminal that comes off is connected with second end of the second normally open solenoid valve KD2;
The first end of the 3rd normally open solenoid valve KD3, the 3rd normally open solenoid valve KD3 is connected with the 3rd end of the second normally open solenoid valve KD2;
2/2-way solenoid valve DF, the first end of 2/2-way solenoid valve DF is connected with air source input end, and second end of 2/2-way solenoid valve DF is connected with second end of the second normally open solenoid valve KD2;
Venting end, venting end is connected with second end of the 3rd normally open solenoid valve KD3.
Wherein, two five-way electromagnetic valve WD can be a kind of single electric control pilot operated two five-way electromagnetic valves, can lock, come off main electromagnetic valve of gas circuit as control connector;
2/2-way solenoid valve DF can be the normally closed 2/2-way solenoid valve of a kind of leading type, can as connector come off air feed backup solenoid valve;
First normally open solenoid valve KD1, the second normally open solenoid valve KD2, the 3rd normally open solenoid valve KD3 can often drive two-bit triplet solenoid valve for a kind of leading type, can back up solenoid valve as connector locking, the venting that comes off.
In the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention provides, can be connected between each parts by pipeline, this connection can be directly connect, and also can be indirectly connect.
The feeding pneumatic controlled for low temperature gas-liquid connector that the embodiment of the present invention provides is two five-way electromagnetic valve WD 2/2-way solenoid valve in parallel DF, builds connector and to come off backup gas circuit; The first normally open solenoid valve KD1 and the second normally open solenoid valve KD2 is arranged in series after two five-way electromagnetic valve WD, second normally open solenoid valve KD2 relief opening series connection the 3rd normally open solenoid valve KD3, second normally open solenoid valve KD2 outlet is communicated with 2/2-way solenoid valve DF, the switching of control connector locking thus, the active and standby gas circuit that comes off.Due to have employed two five-way electromagnetic valve WD parallel connection independently a 2/2-way solenoid valve DF realize redundancy backup, and when main gas circuit breaks down, switch to backup gas circuit, improve the reliability being used for the feeding pneumatic that low temperature gas-liquid connector controls.
When electronic air feed, when after air source input end air inlet, to two five-way electromagnetic valve WD and 2/2-way solenoid valve DF air feed, connector locking can be made simultaneously.When launch mission, two five-way electromagnetic valve WD power up, and connector can be made to come off output terminal air feed simultaneously; When two five-way electromagnetic valve WD break down, control the first normally open solenoid valve KD1, the second normally open solenoid valve KD2, the 3rd normally open solenoid valve KD3 closes, stop two five-way electromagnetic valve WD air feed, control 2/2-way solenoid valve DF to open, connector comes off and backs up gas circuit air feed, realizes the switching of active and standby gas circuit.
As can be seen here, by the feeding pneumatic controlled for low temperature gas-liquid connector that the embodiment of the present invention 1 provides, provide the design of two five-way electromagnetic valve redundancy backups, the single point failure problem can solve carrier rocket cryogenic connector of new generation locking, coming off, improves the reliability of feeding pneumatic.
Embodiment 2
Fig. 2 shows the structural representation of the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 2 provides, see Fig. 2, the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 2 provides, except comprising all parts shown in embodiment 1, also comprises: the first pressure transducer BP1 and/or the second pressure transducer BP2; Wherein:
First pressure transducer BP1, between the second end being arranged on connector locking output terminal and the first normally open solenoid valve KD1;
Second pressure transducer BP2, be arranged on connector come off output terminal and the second normally open solenoid valve KD2 the second end between.
Wherein, the working condition of feeding pneumatic can be monitored by the first pressure transducer BP1 and/or the second pressure transducer BP2, namely the first pressure transducer BP1 can monitor the pressure of connector locking feeding pneumatic, and the second pressure transducer BP2 can monitor that connector comes off the pressure of feeding pneumatic.Thus according to the feedback of the first pressure transducer BP1 and/or the second pressure transducer BP2, by judging to realize remote control function with control strategy after data interpretation.
When electronic air feed, when after air source input end air inlet, to two five-way electromagnetic valve WD and 2/2-way solenoid valve DF air feed, now monitor the working condition of feeding pneumatic by the first pressure transducer BP1 far-end, can connector locking be made simultaneously.When launch mission, two five-way electromagnetic valve WD power up, and now monitor the working condition of feeding pneumatic by the second pressure transducer BP2 far-end, and connector can be made to come off output terminal air feed simultaneously; When two five-way electromagnetic valve WD break down, control the first normally open solenoid valve KD1, the second normally open solenoid valve KD2, the 3rd normally open solenoid valve KD3 closes, stop two five-way electromagnetic valve WD air feed, control 2/2-way solenoid valve DF to open, connector comes off and backs up gas circuit air feed, realizes the switching of active and standby gas circuit.
As can be seen here, by the feeding pneumatic controlled for low temperature gas-liquid connector that the embodiment of the present invention 2 provides, provide the Redundancy Design of feeding pneumatic, the single point failure problem can solve carrier rocket cryogenic connector of new generation locking, coming off, improve the reliability of feeding pneumatic, the automatic switchover of active and standby gas circuit can also be realized, the functional reliability improving control connector locking and come off according to the image data of the first pressure transducer and/or the second pressure transducer.
Embodiment 3
Fig. 3 shows the structural representation of the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 3 provides, see Fig. 3, the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 3 provides, except comprising all parts shown in embodiment 1, also comprises: hand stop valve JF;
Hand stop valve JF, between the tie point being arranged on the first end of air source input end and two five-way electromagnetic valve WD and the first end of 2/2-way solenoid valve DF.
Wherein, hand stop valve JF can be a kind of discharging type hand stop valve, can as the source of the gas on-off valve controlling whole feeding pneumatic; The embodiment of the present invention arranges hand stop valve JF foremost at feeding pneumatic, outside electronic air feed, can also realize manual air feed, improves the reliability of feeding pneumatic further.
When using manual air feed, after air source input end air inlet, close hand stop valve JF.
Embodiment 4
Fig. 4 shows the structural representation of the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 4 provides, see Fig. 4, the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 4 provides, except comprising all parts shown in embodiment 3, also comprises:
First pressure transducer BP1 and/or the second pressure transducer BP2; Wherein:
First pressure transducer BP1, between the second end being arranged on connector locking output terminal and the first normally open solenoid valve KD1;
Second pressure transducer BP2, be arranged on connector come off output terminal and the second normally open solenoid valve KD2 the second end between.
Or
Fig. 4 shows the structural representation of the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 4 provides, see Fig. 4, the feeding pneumatic for the control of low temperature gas-liquid connector that the embodiment of the present invention 4 provides, except comprising all parts shown in embodiment 2, also comprises:
Hand stop valve JF;
Hand stop valve JF, between the tie point being arranged on the first end of air source input end and two five-way electromagnetic valve WD and the first end of 2/2-way solenoid valve DF.
As can be seen here, by the feeding pneumatic controlled for low temperature gas-liquid connector that the embodiment of the present invention 4 provides, the fault that may occur is dealt with in the design providing two five-way electromagnetic valve redundancy backups, the single point failure problem can solve carrier rocket cryogenic connector of new generation locking, coming off, improves the reliability of feeding pneumatic; The automatic switchover of active and standby gas circuit can also be realized, the functional reliability improving control connector locking and come off according to the image data of the first pressure transducer and/or the second pressure transducer; And outside electronic air feed, can also realize manual air feed, improve the reliability of feeding pneumatic further, ensure that under unattended complex working condition, complete the target call that " zero window " is launched.
Therefore, by the above-mentioned feeding pneumatic controlled for low temperature gas-liquid connector provided by the invention, achieve the Redundancy Design of two five-way electromagnetic valve WD, and its electronic switching can be realized according to the image data of pressure transducer, not only meet that cryogenic liquide rocket operates the long-range of air feed, the demand of long-time unmanned automation, also filled up the blank of this technology domestic.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineers and technicians in related domain make technological scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (3)
1., for the feeding pneumatic that low temperature gas-liquid connector controls, it is characterized in that, comprising:
Air source input end;
Two five-way electromagnetic valves, the first end of described two five-way electromagnetic valves is connected with described air source input end;
First normally open solenoid valve, the first end of described first normally open solenoid valve is connected with the second end of described two five-way electromagnetic valves;
Second normally open solenoid valve, the first end of described second normally open solenoid valve is connected with the 3rd end of described two five-way electromagnetic valves;
Connector locking output terminal, described connector locking output terminal is connected with the second end of described first normally open solenoid valve;
Connector comes off output terminal, and the described connector output terminal that comes off is connected with the second end of described second normally open solenoid valve;
3rd normally open solenoid valve, the first end of described 3rd normally open solenoid valve is connected with the 3rd end of described second normally open solenoid valve;
2/2-way solenoid valve, the first end of described 2/2-way solenoid valve is connected with described air source input end, and the second end of described 2/2-way solenoid valve is connected with the second end of described second normally open solenoid valve;
Venting end, described venting end is connected with the second end of described 3rd normally open solenoid valve.
2. feeding pneumatic according to claim 1, is characterized in that, also comprises: the first pressure transducer and/or the second pressure transducer; Wherein:
Described first pressure transducer, between the second end being arranged on described connector locking output terminal and described first normally open solenoid valve;
Described second pressure transducer, be arranged on described connector come off output terminal and described second normally open solenoid valve the second end between.
3. feeding pneumatic according to claim 1 and 2, is characterized in that, also comprises: hand stop valve;
Described hand stop valve, between the tie point being arranged on the first end of described air source input end and described two five-way electromagnetic valves and the first end of described 2/2-way solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590147.5A CN105240686B (en) | 2015-09-16 | 2015-09-16 | Feeding pneumatic for the control of low temperature gas-liquid connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590147.5A CN105240686B (en) | 2015-09-16 | 2015-09-16 | Feeding pneumatic for the control of low temperature gas-liquid connector |
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| CN105240686A true CN105240686A (en) | 2016-01-13 |
| CN105240686B CN105240686B (en) | 2018-03-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2455533C1 (en) * | 2010-12-30 | 2012-07-10 | Федеральное государственное унитарное предприятие "Государственный космический научно-производственный центр им. М.В. Хруничева" | Device to protect umbilical connectors from environmental impact |
| CN103411775A (en) * | 2013-07-22 | 2013-11-27 | 北京航空航天大学 | Fuel supplying system for liquid-propellant rocket engine test |
| CN103438353A (en) * | 2013-06-27 | 2013-12-11 | 北京航天发射技术研究所 | Redundant gas supply loop |
| CN203771031U (en) * | 2014-03-24 | 2014-08-13 | 北京航天发射技术研究所 | Backup-redundancy pressure reduction gas supply loop |
| CN203771037U (en) * | 2014-03-24 | 2014-08-13 | 北京航天发射技术研究所 | Backup-redundancy pneumatic control loop system |
-
2015
- 2015-09-16 CN CN201510590147.5A patent/CN105240686B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2455533C1 (en) * | 2010-12-30 | 2012-07-10 | Федеральное государственное унитарное предприятие "Государственный космический научно-производственный центр им. М.В. Хруничева" | Device to protect umbilical connectors from environmental impact |
| CN103438353A (en) * | 2013-06-27 | 2013-12-11 | 北京航天发射技术研究所 | Redundant gas supply loop |
| CN103411775A (en) * | 2013-07-22 | 2013-11-27 | 北京航空航天大学 | Fuel supplying system for liquid-propellant rocket engine test |
| CN203771031U (en) * | 2014-03-24 | 2014-08-13 | 北京航天发射技术研究所 | Backup-redundancy pressure reduction gas supply loop |
| CN203771037U (en) * | 2014-03-24 | 2014-08-13 | 北京航天发射技术研究所 | Backup-redundancy pneumatic control loop system |
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| CN105240686B (en) | 2018-03-13 |
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