CN101086668B - Method and apparatus for testing valve control system - Google Patents
Method and apparatus for testing valve control system Download PDFInfo
- Publication number
- CN101086668B CN101086668B CN2006100871101A CN200610087110A CN101086668B CN 101086668 B CN101086668 B CN 101086668B CN 2006100871101 A CN2006100871101 A CN 2006100871101A CN 200610087110 A CN200610087110 A CN 200610087110A CN 101086668 B CN101086668 B CN 101086668B
- Authority
- CN
- China
- Prior art keywords
- control signal
- valve
- relay
- control system
- specific
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing And Monitoring For Control Systems (AREA)
Abstract
The multi-control valve flying object fuel supply system testing method comprises the relay to send the control signal to each of the control valves. It provides linking device to connect the testing equipment to the relay to allow the testing device applicable to receive the control signal sent out from the control system to control valves, testing the electric control signal sent out from the relay, marking a specific control signal and marking the feature of the specific control signal of the control valve.
Description
Technical field
The present invention relates to be used for method and apparatus to the testing valve control system of aircraft fuel feed system.
Background technology
The fuel feed system of bigger commercial aircraft generally is associated with the fuel tank of plurality of separate, and wherein each is connected to various refuellings/go fuel line, transfer line, boost line and breathing line.And each in these lines relevant with each fuel tank is controlled by at least one operation valve respectively.Therefore, fuel feed system is the case of interconnection and the complex appts of line, and the operation of many independent valves is generally managed by the valve control system of computer regulated.
The ground test of on aircraft, carrying out, as between the assembling or trial run period of new aircraft, need a series of tests to check whether correct control signal is output to actuator motor of each operation valve in the fuel feed system (actuator motor) or servo motor.Conventionally, output to that the control signal of a plurality of different operation valves is manual tests in the fuel feed system.But this is utmost point consumption manpower and the process of time intensive, and it causes the long production time and has therefore increased cost.
So the object of the invention is for providing a kind of method and apparatus that is used for the testing valve control system of aircraft fuel feed system, it implements simpler and it has obtained optimization on time and cost.
Summary of the invention
According to an aspect, the invention provides a kind of method that is used for the testing valve control system of aircraft fuel feed system with a plurality of operation valves, wherein this control system comprises relay (relay) device, be used for control signal outputed to each of a plurality of operation valves, this method comprises the following steps:
Coupling arrangement is provided, is used for testing apparatus is electrically connected to the control system relay-set;
Testing apparatus is connected to relay-set, makes testing apparatus be suitable for receiving and output in a plurality of operation valves any one or a plurality of control signals by control system;
Detection is outputed to the electric control signal of one of a plurality of operation valves by relay-set; And
Specific one to a plurality of operation valves of the control signal that is detected being outputed to it by relay-set identifies, and/or the character of the control signal that outputs to this specific operation valve is identified.This step that character of the control signal that detected is identified preferably includes this control signal of sign and is suitable for opening or closes described specific operation valve.
In a particular form of the present invention, the step that testing apparatus is electrically connected to relay-set comprises the single connection that is established to relay-set, and wherein this connection preferably directly is based upon the adaptive polarizing memory voltage time constant of control system.In this way, testing apparatus can be connected with the valve control system relay-set fast simply by this way, makes testing apparatus be suitable for receiving and outputs to control signal arbitrary in a plurality of operation valves.In this particular form of the present invention, detect step and comprise that detection outputs to electric control signal arbitrary in a plurality of operation valves by relay-set.
Therefore the present invention can provide a kind of method of testing, and wherein all signals that output to operation valve from relay-set can be assessed with the single connection of testing apparatus.Therefore this method is designed to: any control signal of arbitrary operation valve detects and identifies the aircraft fuel feed system to outputing to from control system.By saving time and energy, this has significantly improved the method for routine techniques.Especially, the user will testing apparatus not move to diverse location and set up new the connection at each point.Therefore, by inserting and assess all output signals from the valve control system of single position, relay-set place, test can more effectively take place in the present invention.
In of the present invention one replaceable form, the step that testing apparatus is connected to relay-set comprises: in the position away from the adaptive polarizing memory voltage time constant of control system, be established to the connection of one or more separation of relay-set.One or more connections preferably are based upon the operation valve tie point.
Typically, operate each in a plurality of operation valves in the fuel system, promptly between the opening and closing position, move by actuator motor such as electric servomotor.But in some aircraft fuel feed systems, each operation valve is suitable for the actuator motor operation by two or more separation, to obtain higher reliability by redundancy.In this case, control system is suitable for control signal is sent to each of actuator motor of a plurality of operation valves.Therefore, in a preferred form of the present invention, described method further comprises the following steps: specific one in the actuator motor of the specific operation valve that the control signal that is detected is outputed to it by control system is identified.
Whether the output signal of valve control system is pointed to its particular valve or identification and this signal operation purpose (promptly opening or closing valve) of actuator motor, be very important at correct work nature for the assessment control system.Therefore, the informational needs that obtains with method of the present invention can be used the user.Information can be stored (for example numeral) and is used for later retrieval, but more preferably, information is available immediately to be easy to use and intelligible form.
Therefore, in a preferred form of the present invention, the control signal that is detected is outputed to its particular valve and/or the step that identifies of particular actuators motor and the step that the character of the control signal that detected identifies comprised: show the information corresponding, so that user's visual observation with it.This can comprise use display screen such as LCD, is used to present detailed detecting information.Replacedly, this information display can comprise a series of optical elements, and as light emitting diode (LED), wherein each light emitting diode is connected to detect specific control signal and correspondingly to be labeled on the display panel.Use this mode, when specific LED was lighted, it indicated or represents the appearance of specific control signal immediately.
When carrying out method of testing of the present invention, can expect the situation that specific output signal from valve control system is not detected.In this case, the characteristic of measuring-signal or signal circuit can help to determine why correct signal is not detected as possible, promptly in searching failure process.Therefore, in a preferred form of the invention, described method further may further comprise the steps: the characteristic to the signal circuit between one or more in the relay-set of the characteristic of the electric control signal of control system output or control system and a plurality of operation valve is measured.
According on the other hand, the invention provides the device that is used for the testing valve control system of aircraft fuel feed system with a plurality of operation valves, wherein this control system comprises relay-set, is used for control signal outputed to each of a plurality of operation valves, and this device comprises:
Electrical connector is used to be connected to the control system relay-set, and make this device be suitable for receiving and output to any one of a plurality of operation valves or a plurality of control signals by control system,
Detector means is used for detecting by control system and outputs to any control signal of a plurality of operation valves; And
Device indicating is used for identifying specific which that the control signal that is detected outputs to a plurality of valves, and/or is used for the character of the control signal that outputs to this particular valve is identified.As mentioned above, specific operation valve is opened or closed to the control signal that detected typically of the character of the control signal that device indicating identified.
In some aircraft fuel systems, each operation valve is operated by two or more independently actuator motor, and control system outputs to control signal each actuator motor of a plurality of operation valves.Therefore, in a preferred form of the present invention, specific of can be suitable for the control signal that detected is outputed to its actuator motor of operation valve from the relay-set of control system identifies device indicating.
In a preferred form of the present invention, device indicating comprises visual displays, and the particular valve and/or the particular actuators motor that are used for the control signal that is detected outputed to it identify, and is used for the character of the control signal that detected is identified.
According to one embodiment of present invention, a kind of method to the testing valve control system in the aircraft fuel feed system with a plurality of operation valves is provided, wherein, control system comprises relay-set, described relay-set is used for control signal is outputed to each operation valve of described a plurality of operation valves, each operation valve in described a plurality of operation valve is suitable for being operated independently by two or more actuator motor, and described relay-set is suitable for control signal is outputed to each actuator motor of described a plurality of operation valves, this method comprises: electrical connector is provided, is used for testing apparatus is electrically connected to described control system relay-set; Testing apparatus is connected to relay-set, makes described testing apparatus be suitable for receiving and output in described a plurality of operation valve any one or a plurality of control signals by described control system; Detection outputs to the electric control signal of one of described a plurality of operation valves from described relay-set; And the specific operation valve that the control signal that is detected is outputed to it by described relay-set in described a plurality of operation valves identified and/or the character of the control signal that outputs to this specific operation valve is identified, wherein, described electrical connector and described testing apparatus telecommunication, be used to receive the specific control signal of the particular actuators motor that is used for described specific operation valve, and wherein, described method further comprises: to the specific actuator motor that the control signal that is detected outputs to is identified by relay-set in the actuator motor of specific operation valve.
According to another embodiment of the present invention, a kind of equipment that is used for the testing valve control system of aircraft fuel feed system with a plurality of operation valves is provided, wherein, control system comprises the relay-set that is used for control signal is outputed to each operation valve of described a plurality of operation valves, each operation valve in described a plurality of operation valve is suitable for being operated independently by two or more actuator motor, and described relay-set is suitable for control signal is outputed to each actuator motor of described a plurality of operation valves, described equipment comprises: electrical connector, be used to be connected to the described relay-set of described control system, make this device be suitable for receiving and output to any one of described a plurality of operation valves or a plurality of control signals by described control system; Detector means is used to detect the control signal that is outputed to one of described a plurality of operation valves by described control system; And device indicating, being used for identifying the control signal that is detected outputs to specific which of described a plurality of valves and/or is used for the character of the control signal that outputs to this particular valve is identified, wherein, electrical connector is used for each the circuit telecommunication with described equipment, so that receive the specific control signal of the particular actuators motor be used for specific operation valve, and device indicating also is used for the specific actuator motor that the control signal that is detected outputs to is identified by described relay-set the actuator motor of described operation valve.
For example, this display can comprise screen equipment such as LCD, is used to show the information that the character to valve, actuator motor and/or signal identifies.Replacedly, this visual displays can comprise a plurality of light emitting diodes, and wherein each LED represents one of one of operation valve, operation valve actuator motor and/or the character of opening or closing signal.Use this mode, when being lighted, each LED can identify the operating characteristics by the specific control signal of the relay-set output of valve control system.
As mentioned above, search fault in order to help when not detecting the output signal of expection, the characteristic of measuring-signal or signal circuit is helpful.Therefore in a preferred form of the present invention, this device comprises device, is used for measuring the characteristic by the signal circuit between the characteristic of the electric control signal of relay-set output or relay-set place or relay-set and a plurality of operation valves one or more.
Illustrate the present invention referring now to specific embodiment shown in the drawings.The explanation that however, it should be understood that following preferred embodiment is not to limit the generality above-mentioned or inventive concept that claims limited.
Description of drawings
Below with reference to description of drawings the preferred embodiments of the present invention, wherein same-sign is represented same characteristic features, and wherein:
Fig. 1 is the synoptic diagram of additional central case (ACT) fuel feed system in the commercial aircraft;
Fig. 2 is the schematic front view of proving installation according to an embodiment of the invention;
Fig. 3 is the schematic circuit diagram that is used for the part of proving installation shown in Figure 2;
Fig. 4 is the schematic circuit diagram of the other parts of proving installation shown in Figure 2;
Fig. 5 is the schematic front view of proving installation according to another embodiment of the present invention; And
Fig. 6 is the schematic circuit diagram that is used for the connector plug of proving installation shown in Figure 5.
Embodiment
At first, show an example of aircraft fuel feed system 100 with reference to figure 1.This particular system is called additional central case (ACT) system.In this ACT system, 6 " additional central case " ACT 1 to ACT 6 are arranged on the cargo area of aircraft.This ACT system further comprises main fuel line 101, is used for transport of fuel gone into or go out each ACT; For example, when refuelling or when ACT and be arranged on the right flank case and left wing's case between central bin CT between when transmitting fuel.So this ACT system also comprises a series of fuel valves, as fuel inlet valve 102, be used for 6 ACT each; Transmit valve 103, be used for controlling transport of fuel and advance or go out each ACT via transmission pump 104; With refuelling valve 105, when the ACT refuelling, be opened.In addition, this ACT system comprises: have the ventilating system and the system 107 of breathing line 106, be used for providing forced air by compression chamber air in 108 to ACT.Being connected and interrupting by air shut off valve 109 between ACT and forced air feed system.Breathing line 106 comprises main ventilation valve 110 and forward direction isolation valve 111.
And in ACT fuel feed system 100, each valve (except refuelling valve 105, it is so crucial) is designed to by two independently electric servomotor independent drives, so that by the bigger reliability (and safety) of redundant acquisition.With each operation valve related respectively two independently each in the electric servomotor abbreviate motor 1 (or MOT1) and motor 2 (or MOT2) as at this.Consider the complicacy of ACT fuel feed system 100 and the needs that guarantee accurate and coherency operation, the excitation of many individual valves in the fuel feed system (promptly opening and closing) is managed by computerized valve control system (not shown).This control system comprises: at least one processor, its generation are used for the control signal of valve; And relay (relay) equipment, the control signal that processor produces outputs to the valve actuator motor via it.The present invention relates to test and assessment to the performance of valve control system.
With reference now to Fig. 2,, schematically shown device 1 according to first embodiment of the invention.Device 1 main body comprises the shell that is generally rectangle 10 that holds circuit and electronic unit, and the electrical connector 20 that comprises two connecting elements 21,22 is electrically coupled to parts in the shell 10 by cable 25.Cable 25 can provide with any suitable length, and in this example, is about 4.5 meters.Connecting element the 21, the 22nd, insert type, and being suitable for adaptive polarizing memory voltage time constant (not shown) that device 1 is directly connected to valve control system, signal is used for regulating the valve operation of ACT fuel feed system 100 from the adaptive polarizing memory voltage time constant output of described valve control system.Connecting element 21,22 provides being connected of such and adaptive polarizing memory voltage time constant, makes device 1 be suitable for receiving the control signal that is outputed to actuator motor (being motor 1 or motor 2) arbitrary in a plurality of operation valves 102,103,105 etc. by control device.In addition, electrical connector 20 comprises folder 26, as crocodile formula folder, is used to be connected to ground.For example, ground clamp 26 can be attached to and be positioned near the joint cable of adaptive polarizing memory voltage time constant, to provide electrical ground required.
Especially, except refuelling valve 105, each operation valve of the valve of ACT system 100 has two actuator motor, motor 1 and motor 2.And, have two independently each operation valve of actuator motor can receive 4 possible control signals from valve control system; That is: be used to out the signal of valve to motor 1, be used to close the signal of valve, be used to out the signal of valve and the signal that is used to close valve to motor 2 to motor 2 to motor 1.Therefore, top 11 of shell 10 is designed to the user and forms display panel, and it provides instant messages about the signal that is detected by valve control system to the user between 1 operating period of device.Consider by " transmission valve " that it is first valve that is listed on the front 11 of shell 10, can see that LED 31a, 31b are arranged under the title " motor 1 ", are used to be identified to the control signal of first actuator motor.One of two LED 31a is labeled as " pass ", represents to be used for closing or closing the transmission valve to the control signal of motor 1.Another 31b of two LED is labeled as " opening ", represents to be used to open the transmission valve to the control signal of motor 1.Identical conception is applied to be arranged on the LED of label " transmission valve " right-hand side under the title " motor 2 ".In this case, LED is set up and marks, and outputs to the control signal of the second actuator motor-motor 2 that transmits valve with sign.This setting is recycled and reused for all valves with two actuator motor of listing.
With reference to figure 3 and 4, schematically shown with two parts and to have installed 1 circuit setting.In Fig. 2, among Fig. 3 and Fig. 4 LED 31 usefulness beat the fork circle represent.Connecting element 21 is illustrated in the left-hand side of Fig. 3, and has marked and be used for being connected with adaptive polarizing memory voltage time constant each circuit of Connection Element 21 that is used for the specific control signal of particular valve actuator motor with reception.Similarly, connecting element 22 is illustrated in the left-hand side of Fig. 4, and has also marked and be used for being connected with adaptive polarizing memory voltage time constant each circuit of Connection Element 22 that is used for the specific control signal of particular valve actuator motor with reception.The circuit of Fig. 3 and Fig. 4 is connected to each other at the circular tie point 32 that comprises numeral " 1 ".In each of these circuit diagrams, should note, be connected the LED that is used for reception " opening " control signal (being about to valve opens) in the circuit and be green (being gr ü n), be red (being rot) and be connected the LED that is used for reception " pass " control signal (soon valve closes or cuts out) in the circuit.
In operation, device 1 of the present invention is directly connected to the adaptive polarizing memory voltage time constant of valve control system.Valve control system is operated subsequently, to send or to export the control signal of each valve that is used to open or close ACT fuel feed system 100, wherein may use first and second actuator motor the two, motor 1 and motor 2.Whether the user at this device of carrying out test on the valve control system can be lighted by Direct observation LED 31 on the display panel 11 of device 1, LED 31 with will be corresponding by each control signal that control system is sent.If fault is arranged in the valve control system, make and not produce specific valve control signal or do not export from adaptive polarizing memory voltage time constant, then the corresponding LED 31 in the proving installation 1 will not light, and that the operator can discern which valve, which actuator motor and which specific control signal (promptly opening or closing valve) immediately is not detected.
With reference to figure 5 and Fig. 6, show second alternative embodiment of device 1 of the present invention.In this case, the electrical connector 20 that this device is connected with valve control system in the fuel system 100 comprises 4 insert type Connection Elements 21,22,23,24, and wherein the valve signal circuit differently distributes.In this second embodiment, Connection Element 21 is used in particular for the control signal of refuelling valve, and Connection Element 22 is used in particular for the control signal of pumping excitation.Connection Element 23 and 24 is suitable for receiving the control signal that outputs to ACT transmission valve 103, air shut off valve 109, ventilation valve 110 and forward direction (FWD) isolation valve 111.But, in this, Connection Element 23 is used in particular for receiving the control signal that outputs to first actuator motor (Mot 1) that is used for those valves, and Connection Element 24 is used in particular for receiving the control signal that outputs to second actuator motor (Mot 2) that is used for those valves.And in this embodiment, device 1 is designed for being connected with the adaptive polarizing memory voltage time constant of control system in the position away from adaptive polarizing memory voltage time constant, and Connection Element 23,24 each can be connected at the tie point place of the operation valve of separation more than once.
Another of the device 1 of this embodiment and the proving installation shown in Fig. 2 to 4 significantly difference is that second embodiment comprises by the port of front 11 formation of shell 10 or the set of socket.These ports or socket 12 are designed for receiving the connection probe of measuring equipment, and as voltage table, reometer or ohmmeter, any that is used for by Connection Element 21 to 24 determined the characteristic of signal and/or circuit.12 of these ports or socket also is shown schematically in the circuit diagram of Fig. 6, and be related with corresponding Connection Element, and be labeled as BU1 to BU14.Searching fault when determining the reason with read incorrect of this device or the signal do not expected, it is particularly advantageous using 12 of these ports or socket to come test signal or circuit.
More than the explanation of the preferred embodiment of the present invention only is used for illustrative purposes.Therefore, be appreciated that under the situation of the scope of the present invention that does not deviate from the claims qualification, can the particular configuration and the setting of parts shown in the figure be changed.
Claims (13)
1. method to the testing valve control system in the aircraft fuel feed system with a plurality of operation valves, wherein this control system comprises relay-set, described relay-set is used for control signal is outputed to each operation valve of described a plurality of operation valves, each operation valve in described a plurality of operation valve is suitable for being operated independently by two or more actuator motor, and described relay-set is suitable for control signal is outputed to each actuator motor of described a plurality of operation valves, and this method comprises the following steps:
Electrical connector is provided, is used for testing apparatus is electrically connected to described control system relay-set;
Testing apparatus is connected to described relay-set, makes described testing apparatus be suitable for receiving and output in described a plurality of operation valve any one or a plurality of control signals by described control system;
Detection outputs to the electric control signal of one of described a plurality of operation valves from described relay-set; And
To the specific operation valve that the control signal that is detected outputs to it is identified in described a plurality of operation valves, and/or the character of the control signal that outputs to this specific operation valve identified by described relay-set,
Wherein, described electrical connector and described testing apparatus telecommunication be used to receive the specific control signal of the particular actuators motor that is used for described specific operation valve, and wherein, described method comprise the following steps: further
To the specific actuator motor that the control signal that is detected outputs to is identified in the actuator motor of described specific operation valve by described relay-set.
2. according to the process of claim 1 wherein, the step that the character of the control signal that detected is identified comprises: identify this control signal and be suitable for opening or close described specific operation valve.
3. according to the method for claim 1 or 2, wherein, the specific operation valve that the control signal that is detected is outputed to identifies and/or the step that the character of the control signal that detected is identified and the step that a specific actuator motor is identified comprise: show the information corresponding with the control signal that is detected, so that visual observation.
4. according to the method for claim 1 or 2, further comprise the following steps:
Measurement is by the characteristic of the signal circuit between one or more in the characteristic of the electric control signal of described relay-set output or described relay-set and the described a plurality of operation valve.
5. equipment (1) that is used for the testing valve control system of aircraft fuel feed system (100) with a plurality of operation valves, wherein, this control system comprises the relay-set that is used for control signal is outputed to each operation valve of described a plurality of operation valves, each operation valve in described a plurality of operation valve is suitable for being operated independently by two or more actuator motor, and described relay-set is suitable for control signal is outputed to each actuator motor of described a plurality of operation valves, and described equipment comprises:
Electrical connector (20) is used to be connected to the described relay-set of described control system, makes this device be suitable for receiving by described control system and outputs to any one of described a plurality of operation valves or a plurality of control signals;
Detector means (30) is used to detect the control signal that is outputed to one of described a plurality of operation valves by described control system; And
Device indicating (11) is used for identifying specific which that the control signal that is detected outputs to described a plurality of valves, and/or is used for the character of the control signal that outputs to this particular valve is identified,
Wherein, described electrical connector is used for each the circuit telecommunication with described equipment, so that receive the specific control signal of the particular actuators motor that is used for specific operation valve, and wherein,
Described device indicating also is used for the specific actuator motor that the control signal that is detected outputs to is identified by described relay-set the actuator motor of described operation valve.
6. according to the equipment of claim 5, wherein, by the character of the control signal of described device indicating sign be: the control signal that is detected is suitable for opening or closes specific operation valve.
7. according to the equipment of claim 5 or 6, wherein, described device indicating comprises visual displays, is used for the control signal that is detected is outputed to its particular valve and/or specific actuator motor identifies, and is used for the character of the control signal that detected is identified.
8. according to the equipment of claim 7, wherein, this visual displays comprises a plurality of light emitting diodes, each light emitting diode is represented one of one of described operation valve, described operation valve actuator motor and/or is opened or closed the character of signal, make when each light emitting diode is lighted, can clearly identify the operating characteristics of the specific control signal of exporting by the described relay-set of described valve control system.
9. according to the equipment of claim 5 or 6, further comprise: be used for the device measured by the characteristic of the characteristic of the electric control signal of described relay-set output or signal circuit.
10. according to the equipment of claim 9, wherein, the described measurement mechanism that carries out comprises port or socket (12), is used for gauging table or measuring equipment are connected to specific control signal or control signal circuit.
11. equipment according to claim 5 or 6, wherein, this equipment comprises portable shell (10), described shell holds described detector means (30), and provide described device indicating (11), and wherein said electrical connector (20) comprises one or more connecting elements (21-24), is used to be connected to the described relay-set of described control system, and described connecting element (21-24) is via described detector means (30) electric coupling of holding in cable (25) and the described shell (10).
12. according to the equipment of claim 11, wherein, described shell (10) is handed.
13. according to the equipment of claim 11, wherein, described electrical connector (20) comprises two connecting elements (2122), is used to be connected to the described relay-set of described control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100871101A CN101086668B (en) | 2006-06-09 | 2006-06-09 | Method and apparatus for testing valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100871101A CN101086668B (en) | 2006-06-09 | 2006-06-09 | Method and apparatus for testing valve control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101086668A CN101086668A (en) | 2007-12-12 |
| CN101086668B true CN101086668B (en) | 2010-06-16 |
Family
ID=38937655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100871101A Expired - Fee Related CN101086668B (en) | 2006-06-09 | 2006-06-09 | Method and apparatus for testing valve control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101086668B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8955365B2 (en) * | 2008-12-23 | 2015-02-17 | Embraer S.A. | Performance monitoring and prognostics for aircraft pneumatic control valves |
| CN106354120B (en) * | 2016-09-27 | 2019-08-23 | 株洲中车时代电气股份有限公司 | A kind of combined test system of rail traffic vehicles control equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139538Y (en) * | 1992-09-28 | 1993-08-04 | 石家庄铁路分局石家庄电力机务段 | Automatic checking instrument for main circuit breaker of power locomotive |
| CN2743817Y (en) * | 2004-11-26 | 2005-11-30 | 北京拓奇星自动化技术有限公司 | Direct pressure type gas leakage detector |
| CN2766242Y (en) * | 2005-03-02 | 2006-03-22 | 中国科学院金属研究所 | Hydrogen storage material performance test computer control device |
-
2006
- 2006-06-09 CN CN2006100871101A patent/CN101086668B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139538Y (en) * | 1992-09-28 | 1993-08-04 | 石家庄铁路分局石家庄电力机务段 | Automatic checking instrument for main circuit breaker of power locomotive |
| CN2743817Y (en) * | 2004-11-26 | 2005-11-30 | 北京拓奇星自动化技术有限公司 | Direct pressure type gas leakage detector |
| CN2766242Y (en) * | 2005-03-02 | 2006-03-22 | 中国科学院金属研究所 | Hydrogen storage material performance test computer control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101086668A (en) | 2007-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103901387B (en) | Electricity meter detection system | |
| EP2531867B1 (en) | Cable test method | |
| CN103954467A (en) | Fault detector of excavator | |
| US8423313B2 (en) | Method and apparatus for testing valve control system | |
| CN106526457A (en) | Circuit board detection instrument and system | |
| US8868354B2 (en) | Method and apparatus for testing valve control system | |
| CN101086668B (en) | Method and apparatus for testing valve control system | |
| CN101506745A (en) | Drive system and method for monitoring a hydrostatic drive | |
| CN201725455U (en) | Optical fibre link testing device | |
| US5986462A (en) | Auxiliary power unit tester | |
| US5129259A (en) | Automatic transmission analyzing and fault indicating system | |
| CN105005093B (en) | A kind of detection circuit of correlation photoelectric sensor | |
| KR101636172B1 (en) | Cabinet internal wiring monitoring apparatus, monitoring system and cabinet internal wiring monitoring method | |
| CN108332623A (en) | A kind of Multifunctional compound fuze intelligent detecting instrument | |
| CN116699200A (en) | Inter-board connector testing device and testing method | |
| CN100565402C (en) | The method and apparatus that is used for testing valve control system | |
| CN207396360U (en) | A kind of stamp detecting system | |
| CN111667783B (en) | Detection device and detection method thereof | |
| CN204044310U (en) | Helicopter electronic circuit automatic detection device | |
| CN105676116A (en) | servo driver ADC circuit testing device and method | |
| CN207816351U (en) | Computer test equipment | |
| CN219016837U (en) | Wellhead safety control system testing device | |
| CN219715564U (en) | Inter-board connector testing device | |
| KR102660641B1 (en) | Automatic inspection system and method thereof | |
| RU2451628C2 (en) | Method of testing valve control system and device to this end |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: AIRBUS DEUTSCHLAND GMBH Free format text: FORMER NAME: AIRBUS GMBH |
|
| CP01 | Change in the name or title of a patent holder |
Address after: hamburg Patentee after: Airbus Operations GmbH Address before: hamburg Patentee before: Airbus GmbH |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20120609 |