CN106051464A - Pressure control system of airplane air source vehicle - Google Patents
Pressure control system of airplane air source vehicle Download PDFInfo
- Publication number
- CN106051464A CN106051464A CN201610571627.1A CN201610571627A CN106051464A CN 106051464 A CN106051464 A CN 106051464A CN 201610571627 A CN201610571627 A CN 201610571627A CN 106051464 A CN106051464 A CN 106051464A
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- CN
- China
- Prior art keywords
- valve
- electromagnetic valve
- pressure
- control
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/36—Other airport installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/36—Other airport installations
- B64F1/362—Installations for supplying conditioned air to parked aircraft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention provides a pressure control system of an airplane air source vehicle. The pressure control system can solve the problems that a pressure control system of an existing airplane air source vehicle is complex and high in running cost. The pressure control system comprises an air supply pipeline and a state selecting switch. The state selecting switch is provided with an airplane start state contact and an air adjustment state contact. The air supply pipeline is provided with a control air output connector and an overflow valve connector. The control air output connector is connected with a first electromagnetic valve and a pressure control valve through a pipeline, and the first electromagnetic valve is sequentially connected with a pressure control valve, a second electromagnetic valve and an overflow valve through a pipeline. The overflow valve communicates with the overflow valve connector. A differential pressure switch is arranged at the position, close to the overflow valve connector, of the air supply pipeline. The airplane start state contact of the state selecting switch is connected with a relay KA2 in an electric control manner. The air adjustment state contact is connected with a relay KA1 in an electric control manner. The differential pressure switch is connected with the first electromagnetic valve through the relay KA1 in an electric control manner, and the differential pressure switch is connected with the second electromagnetic valve through the relay KA2 in an electric control manner.
Description
Technical field
The present invention relates to control pressurer system field, especially relate to the control pressurer system field of aircraft air source truck, tool
Body is the control pressurer system of aircraft air source truck.
Background technology
Aircraft air source truck is by vehicular water-cooled Diesel Driven dry screw compressor, produces powerful compressed air, auxiliary
Help various large and medium-sized aircraft and the equipment started about military aircraft ground.Generally, aircraft air source truck need output " aircraft opens
Dynamic " and the compressed gas confession aircraft utilization of " air regulation " two grades of different pressures, used air source truck is all to use two pressure
Regulation valve controls two grades of pressure respectively, and its control piper is complicated, and control system joint is many, leak source is many, and its control makes electricity consumption
Magnet valve is the most more, therefore its control system is complicated, system operation cost is high.
Summary of the invention
The invention provides the control pressurer system of aircraft air source truck, it can solve the Stress control of existing aircraft air source truck
The system complex that system exists, problem that operating cost is high.
The control pressurer system of aircraft air source truck, it includes that steam line and state selecting switch, described condition selecting leave
Pass is provided with " aircraft startup " status contacts and " air regulation " status contacts, it is characterised in that: its also include pressure-control valve, the
One electromagnetic valve, the second electromagnetic valve and overflow valve, described steam line is provided with control gas output interface and overflow valve interface, described
Control gas output interface to be connected with described first electromagnetic valve, pressure-control valve pipeline respectively, and described first electromagnetic valve and pressure
Force control valve, the second electromagnetic valve, overflow valve pipeline successively connect, described overflow valve and described overflow valve interface UNICOM, described confession
Feed channel is provided with pressure difference switch near described overflow valve seam, and the described aircraft starting state of described state selecting switch touches
Point electricly connects with relay K A2, and described air-conditioned state contact electricly connects with relay K A1, and described pressure difference switch leads to
Cross described relay K A1, relay K A2 and electricly connect described first electromagnetic valve, the second electromagnetic valve respectively.
Further, described first electromagnetic valve is 2/2-way electromagnetic valve, and described second electromagnetic valve is two-bit triplet electromagnetism
Valve, described 2/2-way electromagnetic valve forward is arranged, and described two-bit triplet electromagnetic valve is oppositely arranged.
Further, described pressure difference switch is normally closed switch, the normally opened contact KA1-1 of described relay K A1, relay
Connect with described pressure difference switch after normally opened contact KA2-1, KA2-2 parallel connection of KA2, the normally opened contact KA1-of described relay K A1
1, connect with described second electromagnetic valve after the normally opened contact KA2-1 parallel connection of relay K A2, the normally opened contact of described relay K A2
KA2-2 connects with described first electromagnetic valve.
Further, the output interface of described steam line by pipeline respectively with the air inlet of described first electromagnetic valve,
The control gas entrance of described pressure-control valve and system pressure signal access port connect, the gas outlet of described first electromagnetic valve and institute
Stating the pressure access port UNICOM of pressure-control valve, the second gas outlet of described second electromagnetic valve communicates with air, the first gas outlet
With the control QI KOU UNICOM controlling gas outlet UNICOM, air inlet and described overflow valve of pressure-control valve, described overflow valve and institute
State steam line by overflow valve interface UNICOM.
Compared with the control pressurer system of existing air source truck, the control parts of the present invention are few, system structure simple, and it is only
Valve plate corresponding of overflow valve is controlled by two electromagnetic valves, a pressure-control valve, two relays and pressure difference switch
In Lift, especially two electromagnetic valve, the first electromagnetic valve have employed 2/2-way electromagnetic valve, the second electromagnetism that forward is installed
Valve have employed oppositely arranged two-bit triplet electromagnetic valve, thus realize system pressure and be stably under setting state and meet and make
The conditions dictate of two grades of pressure in, it is easy to control, and operating cost is low.
Accompanying drawing explanation
Fig. 1 is that the system of the control pressurer system of aircraft air source truck of the present invention constitutes schematic diagram；
Fig. 2 is the automatically controlled schematic diagram of circuit of the control pressurer system of aircraft air source truck of the present invention.
Detailed description of the invention
Seeing Fig. 1 and Fig. 2, the control pressurer system of aircraft air source truck of the present invention, it includes that steam line 1 and condition selecting leave
Closing SA, pressure-control valve the 4, first electromagnetic valve the 3, second electromagnetic valve 5 and overflow valve 6, wherein the first electromagnetic valve 3 is 2/2-way electricity
Magnet valve SV2, the second electromagnetic valve 5 is two-bit triplet electromagnetic valve SV1, and 2/2-way electromagnetic valve SV2 forward is arranged, two-bit triplet electromagnetism
Valve SV1 is oppositely arranged, and state selecting switch SA is provided with " aircraft startup " status contacts and " air regulation " status contacts, air supply pipe
Road 1 is provided with control gas output interface a and overflow valve interface b, the output interface a of steam line 1 by pipeline respectively with first
The air inlet 3-1 of electromagnetic valve 3, the control gas entrance e and system pressure signal access port d of pressure-control valve 4 connect, the first electromagnetism
4 pressure access port c UNICOMs of the gas outlet 3-2 of valve 3 and pressure-control valve, the second gas outlet 5-3 and air of the second electromagnetic valve 5
Communicate, the first gas outlet 5-2 exports the control QI KOU of f UNICOM, air inlet 5-1 and overflow valve 6 with the gas that controls of pressure-control valve 4
G UNICOM, overflow valve 6 and steam line 1 are by overflow valve interface b UNICOM；The air inlet 5-1 of the second electromagnetic valve 5 and overflow valve 6
Control QI KOU g and be connected to Pressure gauge 2；Steam line 1 is provided with pressure difference switch PS, pressure difference switch at overflow valve interface b
PS is normally closed switch, the normally opened contact KA1-1 of relay K A1, relay K A2 normally opened contact KA2-1, KA2-2 parallel connection after with
Pressure difference switch PS connect, the normally opened contact KA1-1 of relay K A1, relay K A2 normally opened contact KA2-1 parallel connection after with second
Electromagnetic valve 5 is connected, and normally opened contact KA2-2 and first electromagnetic valve 3 of relay K A2 are connected.In Fig. 1, the interface 6-1 of overflow valve 6
External acoustic filter or emptying process.The h mouth of pressure-control valve 4 is throttling emptying osculum, the gas entered from pressure access port c
Under the emptying effect of throttling emptying osculum h, in pressure-control valve 4, form an aux. pressure, in aux. pressure and system
Under the common effect of the signal gas of pressure signal access port d, it is ensured that pressure-control valve 4 controls the pressure of gas outlet f.
Specifically describe the work process of the present invention below in conjunction with the accompanying drawings:
When state selecting switch SA is threaded to " air regulation " status contacts, relay K A1 obtains electric, and normally opened contact KA1-1 closes,
Second electromagnetic valve 5(i.e. two-bit triplet electromagnetic valve SV1) must be electric, control gas and exported to pressure control by the output interface a of steam line 1
The control gas entrance e of valve 4 processed, under the signal gas effect of system pressure signal access port d, the throttling emptying of pressure-control valve 4
Osculum h overflows portion gas, controls the gas outlet f i.e. two-bit triplet electromagnetic valve SV1 of output pressure P1 to second electromagnetic valve 5() the
One gas outlet 5-2, is then exported to overflow valve 6 by the air inlet 5-1 of the second electromagnetic valve 5, and now Pressure gauge 2 shows and controls herein
Pressure P1, the valve plate of overflow valve 6 is opened height H1 accordingly, is made system pressure stable at the air regulation pressure state set.
When state selecting switch SA is threaded to " aircraft startup " status contacts, relay K A2 obtains electric, normally opened contact KA2-1,
KA2-2 close, the second electromagnetic valve 5(i.e. two-bit triplet electromagnetic valve SV1), the first electromagnetic valve 3(i.e. 2/2-way electromagnetic valve SV2) with
Shi get electricity, control gas entered the first electromagnetic valve 3(i.e. 2/2-way electromagnetic valve SV2 by the output interface a of steam line 1) air inlet
Mouthful 3-1, by the first electromagnetic valve 3(i.e. 2/2-way electromagnetic valve SV2) gas outlet 3-2 enter the pressure of pressure-control valve 4 and access
Mouthful c, under the emptying effect of throttling emptying osculum h, forms an aux. pressure pressure-control valve 4 in, aux. pressure with
Under the common effect of the signal gas of system pressure signal access port d, the throttling emptying osculum h of pressure-control valve 4 overflows gas and subtracts
Few, control gas outlet f output pressure and increase to P2, the gas after regulation is exported f output to the by the control gas of pressure-control valve 4
Two electromagnetic valve 5(i.e. two-bit triplet electromagnetic valve SV1) the first gas outlet 5-2, then by the second electromagnetic valve 5(i.e. two-bit triplet electromagnetism
Valve SV1) air inlet 5-1 export to overflow valve 6, now Pressure gauge 2 show herein control pressure P2, the valve plate phase of overflow valve 6
Height H2 should be opened, make system pressure stable at aircraft startup pressure state.At aircraft starting state with the moment of depressed bundle,
Air source truck system pressure raises, and normally closed pressure difference switch PS action disconnects, relay K A2 dead electricity, and the normally opened of relay K A2 touches
Point KA2-1, KA2-2 disconnect, two-bit triplet electromagnetic valve SV1,2/2-way electromagnetic valve SV2 dead electricity simultaneously, now two-bit triplet electricity
The air inlet 5-1 and the second gas outlet 5-3 of magnet valve SV1 connects, and the second gas outlet 5-3 communicates with air, and the valve plate of overflow valve 6 exists
Opening rapidly under the effect of pressed gas in steam line 1, reduce system pressure, pressure returns to aircraft and starts pressure state
Time, pressure difference switch PS recovers Guan Bi, and signal is connected, and two-bit triplet electromagnetic valve SV1,2/2-way electromagnetic valve SV2 recover electric, are
System pressure is adjusted to aircraft starting state.
During aircraft gas, pressure-control valve 4 controls pressure, the Lift of valve plate according to the lift adjustment of system pressure
Adjust with controlling pressure, it is ensured that system pressure remains at " air regulation " or " aircraft startup " pressure state of setting.
Claims (4)
1. the control pressurer system of aircraft air source truck, it includes steam line and state selecting switch, described state selecting switch
Be provided with " aircraft startup " status contacts and " air regulation " status contacts, it is characterised in that: its also include pressure-control valve, first
Electromagnetic valve, the second electromagnetic valve and overflow valve, described steam line is provided with control gas output interface and overflow valve interface, described control
Gas output interface processed is connected with described first electromagnetic valve, pressure-control valve pipeline respectively, and described first electromagnetic valve and pressure
Control valve, the second electromagnetic valve, overflow valve pipeline successively connect, described overflow valve and described overflow valve interface UNICOM, described supply
Pipeline is provided with pressure difference switch near described overflow valve seam, the described aircraft starting state contact of described state selecting switch
Electricly connecting with relay K A2, described air-conditioned state contact electricly connects with relay K A1, and described pressure difference switch passes through
Described relay K A1, relay K A2 electricly connect described first electromagnetic valve, the second electromagnetic valve respectively.
The control pressurer system of aircraft air source truck the most according to claim 1, it is characterised in that: described first electromagnetic valve is
2/2-way electromagnetic valve, described second electromagnetic valve is two-bit triplet electromagnetic valve, and described 2/2-way electromagnetic valve forward is arranged,
Described two-bit triplet electromagnetic valve is oppositely arranged.
The control pressurer system of aircraft air source truck the most according to claim 2, it is characterised in that: described pressure difference switch is normal
Make and break close, the normally opened contact KA1-1 of described relay K A1, relay K A2 normally opened contact KA2-1, KA2-2 parallel connection after with institute
State pressure difference switch series connection, the normally opened contact KA1-1 of described relay K A1, relay K A2 normally opened contact KA2-1 parallel connection after with
Described second electromagnetic valve series connection, the normally opened contact KA2-2 of described relay K A2 connects with described first electromagnetic valve.
The control pressurer system of aircraft air source truck the most according to claim 3, it is characterised in that: described steam line defeated
Outgoing interface by pipeline respectively with the air inlet of described first electromagnetic valve, the control gas entrance of described pressure-control valve and system pressure
Force signal access port connects, the pressure access port UNICOM of the gas outlet of described first electromagnetic valve and described pressure-control valve, described
Second gas outlet of the second electromagnetic valve communicates with air, the first gas outlet exports UNICOM, air inlet with the control gas of pressure-control valve
Mouthful with the control QI KOU UNICOM of described overflow valve, described overflow valve and described steam line pass through overflow valve interface UNICOM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571627.1A CN106051464B (en) | 2016-07-20 | 2016-07-20 | The control pressurer system of aircraft air source truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571627.1A CN106051464B (en) | 2016-07-20 | 2016-07-20 | The control pressurer system of aircraft air source truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106051464A true CN106051464A (en) | 2016-10-26 |
| CN106051464B CN106051464B (en) | 2018-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610571627.1A Active CN106051464B (en) | 2016-07-20 | 2016-07-20 | The control pressurer system of aircraft air source truck |
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| Country | Link |
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| CN (1) | CN106051464B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849049A (en) * | 2019-11-28 | 2020-02-28 | 苏州奥德机械有限公司 | Automatic timing blowing liquid return device for unit shutdown |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2653254Y (en) * | 2003-09-16 | 2004-11-03 | 威海广泰空港设备股份有限公司 | By-pass overflow valve |
| US20140102125A1 (en) * | 2011-04-15 | 2014-04-17 | Ipalco B.V. | System for delivering pre-conditioned air to an aircraft on the ground |
| CN103836338A (en) * | 2012-11-27 | 2014-06-04 | 深圳市达航工业有限公司 | Automatic regulating system for air supply pressure of air source truck |
| CN203940224U (en) * | 2014-06-24 | 2014-11-12 | 江苏天舒电器有限公司 | A kind of nitrogen pressurize vaccum-pumping equipment control gear that fills |
| US20150034201A1 (en) * | 2013-08-05 | 2015-02-05 | Chase Supply, Inc. | Duct Coupling Apparatus and Method of Its Use |
| CN206036668U (en) * | 2016-07-20 | 2017-03-22 | 无锡压缩机股份有限公司 | Pressure control system of aircraft air supply car |
-
2016
- 2016-07-20 CN CN201610571627.1A patent/CN106051464B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2653254Y (en) * | 2003-09-16 | 2004-11-03 | 威海广泰空港设备股份有限公司 | By-pass overflow valve |
| US20140102125A1 (en) * | 2011-04-15 | 2014-04-17 | Ipalco B.V. | System for delivering pre-conditioned air to an aircraft on the ground |
| CN103836338A (en) * | 2012-11-27 | 2014-06-04 | 深圳市达航工业有限公司 | Automatic regulating system for air supply pressure of air source truck |
| US20150034201A1 (en) * | 2013-08-05 | 2015-02-05 | Chase Supply, Inc. | Duct Coupling Apparatus and Method of Its Use |
| CN203940224U (en) * | 2014-06-24 | 2014-11-12 | 江苏天舒电器有限公司 | A kind of nitrogen pressurize vaccum-pumping equipment control gear that fills |
| CN206036668U (en) * | 2016-07-20 | 2017-03-22 | 无锡压缩机股份有限公司 | Pressure control system of aircraft air supply car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849049A (en) * | 2019-11-28 | 2020-02-28 | 苏州奥德机械有限公司 | Automatic timing blowing liquid return device for unit shutdown |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106051464B (en) | 2018-09-07 |
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Effective date of registration: 20181026 Address after: 214000 No. 199, Hong Xie Road, hung Shan Street, new Wu District, Wuxi, Jiangsu Patentee after: Wuxi tin Compressor Co., Ltd. Address before: 214145 Hong Shan Photoelectric Industrial Park, Xin Wu District, Wuxi, Jiangsu (No. 199, tin Xie Road) Patentee before: Wuxi Compressor Co., Ltd. |