CN112098097B - High-reliability measuring system for simultaneously acquiring multiple types of parameters - Google Patents
High-reliability measuring system for simultaneously acquiring multiple types of parameters Download PDFInfo
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- CN112098097B CN112098097B CN202010843372.6A CN202010843372A CN112098097B CN 112098097 B CN112098097 B CN 112098097B CN 202010843372 A CN202010843372 A CN 202010843372A CN 112098097 B CN112098097 B CN 112098097B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to an engine parameter measuring system, in particular to a high-reliability measuring system for simultaneously acquiring multiple types of parameters. The problem of traditional measurement system because of the measurement reliability that junction box and wiring panel's mode of connection lead to is lower is solved. The system comprises a movable cable, a wiring panel component positioned between front equipment, a front-end acquisition cabinet, a cRIO distributed acquisition system, a wire frame wire slot, a switching cabinet and a switching cable; through addding the switching cabinet, optimize cable switching mode and redesign wiring panel according to the slowly variable parameter of different grade type, realize the switching and the monitoring of the slowly variable parameter signal of different grade type.
Description
Technical Field
The invention relates to an engine parameter measuring system, in particular to a high-reliability measuring system for simultaneously acquiring multiple types of parameters.
Background
The ground test of the engine is an important component part of each stage of engine development, is the verification and verification of the feasibility, the correctness and the production process stability of an engine design scheme, and is a unique means for determining the performance index of the engine, evaluating the reliability of the engine and checking whether the engine is shaped or not and acceptance.
The purpose of the engine test is to obtain various parameters of the engine. The slowly-varying parameters of thrust, pressure, temperature, vacuum pressure, flow, rotating speed and the like are important indexes for evaluating the performance of the engine and are the basis for mastering the working states of the engine and a test system in real time. The vibration, pulsation pressure and rotation speed original waveform data are important parameters for engine process verification and test run, can quickly reflect the working coordination of an engine system and the internal combustion stability of an engine assembly, and provide important basis for quickly judging the working state of the engine; the water hammer pressure data is a main index for measuring instantaneous impact of fluid on pipelines, valves and the like at the starting and shutdown time of the engine, and can also be used as a reference basis for strength design of rocket propellant supply pipelines, valves and the like. In addition, some key pressure and rotation speed parameters provide measurement and judgment basis for a fault diagnosis monitoring and emergency shutdown system, and the measurement precision and the performance are required to be high and reliable. Therefore, in the test run, it is necessary to have the capability of measuring not only the gradual change parameters such as pressure, thrust, temperature, flow rate, rotation speed, and displacement, which are provided in the engine itself and the test system, but also the constant change parameters such as vibration and pulsating pressure.
The traditional measuring system consists of 4 subsystems of a cRIO distributed acquisition system, an LMS (least mean square) quick change data acquisition system, a VXI fault diagnosis system and a real-time display system, and the structure of the traditional measuring system is shown in figure 1. The pressure sensor signals are transmitted to a front-end junction box corresponding to the test run front room through a cable, and the pressure signals are input to a wiring panel of the front room equipment room through the cable and input to a front-end acquisition cabinet through the wiring panel; temperature and flow signals and pressure signals are input into corresponding front-end junction boxes through cables and then input into corresponding measurement modules in the front-end acquisition cabinet through a junction panel; the junction box uses the terminal crimping mode with terminal panel for the cable conductor of crimping is thin (0.2mm), because the influence of power hot environment in long-time test process, faults such as broken string, virtual connection appear at terminal panel, make measurement reliability relatively poor.
Disclosure of Invention
The invention aims to provide a high-reliability measuring system for simultaneously acquiring various types of parameters, so as to solve the problem of low measuring reliability of the traditional measuring system caused by the wiring mode of a junction box and a junction panel.
The technical scheme of the invention is as follows:
a high-reliability measuring system for simultaneously acquiring various types of parameters comprises a movable cable, a wiring panel component positioned between front equipment, a front-end acquisition cabinet and a cRIO distributed acquisition system;
it is characterized in that: the system also comprises a wire rack wire slot, a switching cabinet and a switching cable which are positioned between the front devices;
the adapter cabinet comprises a panel, and a first socket assembly, a second socket assembly, a third socket assembly and a fourth socket assembly are arranged on the panel; the first socket assembly comprises m sockets, and each socket corresponds to one thrust pressure slowly-varying parameter measuring channel; the second socket assembly comprises n sockets, and each socket corresponds to a vacuum pressure and platinum resistance slowly-varying parameter measuring channel; the third socket assembly comprises i sockets, and each socket corresponds to a thermocouple slowly-varying parameter measuring channel; the fourth socket assembly comprises j sockets, and each socket corresponds to one flow rotating speed slowly-varying parameter measuring channel; wherein m, n, i and j are positive integers more than or equal to 1;
the wiring panel assembly comprises a first wiring panel and a second wiring panel;
the first wiring panel is provided with x aviation sockets corresponding to the first socket assembly, and each aviation socket is connected with a sockets in the first socket assembly through a transfer cable, wherein a is equal to m/x; switching the thrust pressure slowly-varying parameters;
the second wiring panel is provided with aviation sockets corresponding to the second socket assembly, the third socket assembly and the fourth socket assembly, and each aviation socket is connected with the sockets in the second socket assembly, the third socket assembly and the fourth socket assembly through a transfer cable to transfer vacuum pressure, platinum resistance slow-change parameters, thermocouple slow-change parameters and flow and rotation speed slow-change parameters;
one end of the movable cable is connected with the slowly-varying parameter sensor, the other end of the movable cable is in butt joint with a corresponding socket on the panel of the adapter cabinet through the wire frame slot, slowly-varying parameters are converged into a corresponding aviation socket in the wiring panel through the adapter cable, and then are input into the cRIO distributed acquisition system through the front-end acquisition cabinet.
Furthermore, in order to select the measurement channel, each aviation socket of the first wiring panel and each aviation socket of the second wiring panel are correspondingly provided with a toggle switch, and the corresponding measurement channel is selected by changing the position of the toggle switch.
Furthermore, a sensor signal detection hole and a power supply detection hole are formed in the first wiring panel; inserting a multimeter into the sensor signal detection hole to obtain a sensor input signal for judging whether the output value of the sensor is normal or not; the universal meter is inserted into the power supply detection hole to obtain the power supply value of the sensor, and the power supply voltage value for enabling the sensor to normally work is judged to be accurate or not.
Furthermore, in order to carry out switching on the previous x-path fault diagnosis and duplication signal, the measurement system also comprises a VXI rear-end switching cabinet and a VXI fault diagnosis system; the first wiring panel further comprises x complex-notation signal connectors;
one end of each of the x complex recording signal connectors is sequentially connected with the front x sockets in the first socket assembly to receive input signals in each thrust pressure slowly-varying parameter channel, and the other end of each complex recording signal connector transmits the signals back to the VXI rear-end switching cabinet through a plug and a main cable and finally enters the VXI fault diagnosis system.
Further, in order to improve the working reliability of the power supply, the measuring system also comprises a power supply adapter plate component;
the power supply adapter plate assembly comprises x power supply adapter plates, and each power supply adapter plate provides an a-channel excitation power supply; each power supply adapter board corresponds to an aviation socket on the first wiring panel, each aviation socket corresponds to a thrust pressure slowly-varying parameter sensors, and each power supply adapter board independently supplies power for the a thrust pressure sensors.
The a thrust pressure slowly-varying parameter channels are defined as one group, so that independent power supply of each group of thrust pressure slowly-varying parameter channels is guaranteed, and the power supply state of other channels cannot be influenced when the power supply state of a certain group of channels is abnormal.
Further, the patch cable used RVVP model 6 x 0.2mm gauge shielded cable.
Further, x equals 6 and a equals 8.
Further, the model number of the first patch panel aviation socket is Y11P-2461 ZHJ; the type of the socket in the first socket component is HY1A1-1207ZJB 1;
one end of the patch cable is welded with the Y11P-2461TK2 aviation plug and is connected with the Y11P-2461ZHJ socket on the first wiring panel, and the other end of the patch cable is welded with 8 HY1A1-1207ZJB1 sockets in the first socket assembly.
The invention has the following technical effects:
(1) the measurement reliability is high;
compared with the traditional measuring system, the invention simplifies the cable network structure of the measuring system by erecting one switching cabinet in the front command room to replace two front-end junction boxes; the multi-core aviation connector is used for completing signal switching, the state of the aviation connector is stable after butt joint and locking, and the anti-pulling and anti-vibration performance of the bundled cable is greatly improved; an integrated wiring panel is designed to replace a crimping terminal block, so that the wiring reliability of the panel is improved;
(2) the power supply system has high working reliability
According to the invention, 6 power supply adapter plates are added, a single-path power supply signal is split into 6 paths, and each adapter plate can respectively supply power for 8 thrust pressure slowly-varying parameter channels, so that independent power supply of multiple sensors is realized, and the working reliability of a power supply system is improved. Meanwhile, 1 path of power supply signal is divided into 6 paths of power supply signals which respectively enter 6 power supply adapter plates, so that the heat dissipation of the circuit is reduced, and the electromagnetic interference is effectively reduced.
(3) High working efficiency
The channel setting is carried out by switching the toggle switch on the wiring panel, so that the field monitoring of the output signal of the sensor and the power supply is completed, the completeness and the accuracy of the measurement parameters are ensured, and the working efficiency of the system is improved.
Drawings
FIG. 1 is a block diagram of a conventional measurement system;
FIG. 2 is a block diagram of the measurement system of the present invention;
FIG. 3 is a layout of measurement channels of the switch cabinet according to an embodiment of the present invention;
FIG. 4 is a layout view of a first patch panel according to an embodiment of the present invention;
fig. 5 is a layout view of a second patch panel according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a power adapter plate in an embodiment of the invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 2, compared with the conventional measurement system (shown in fig. 1), the present invention eliminates the front connection box located in the front of the test car, optimizes the cable switching mode by adding the switching cabinet, and redesigns the connection panel according to different types of slowly varying parameters, thereby realizing the switching and monitoring of signals of different types of slowly varying parameters. The quantity data referred to below, such as the specific quantities of sockets, measuring channels, junction panels, can be adjusted according to the task requirements.
As can be seen from fig. 3, in order to meet the requirement of the test task, the patch panel of the present embodiment includes 96 sockets, which are uniformly distributed on the panel of the patch panel in 12 rows and 8 columns. Each socket corresponds to one test channel, wherein the sockets P1-P48 correspond to 48 measurement channels P1-P48 respectively and are used for measuring thrust pressure parameters; the Pt1-Pt16 sockets respectively correspond to 16 measuring channels of Pt1-Pt16 and are used for measuring the platinum resistance parameter of vacuum pressure; the T1-T22 sockets correspond to 22 measurement channels in total from T1 to T22 respectively and are used for measuring thermocouple parameters; the Q1-Q10 sockets respectively correspond to 10 measurement channels of Q1-Q10 and are used for measuring flow and rotation speed parameters.
In this embodiment, 2 patch panels are designed according to different types of ramp parameters, as shown in fig. 4 and 5.
The first connection panel shown in fig. 4 corresponds to 48 paths of thrust and pressure signals, 6 sets of Y11P-2461ZHJ (socket)/TK 2 (plug) aviation connectors are selected for switching, and the welding points of the connectors are totally 61 points.
One end of the adapter cable is welded with an aviation plug Y11P-2461TK2 and is connected with a socket Y11P-2461ZHJ on the wiring panel, and the other end of the adapter cable is welded with 8 HY1A1-1207ZJB1 sockets in the P1-P48. The patch cable used RVVP model 6 x 0.2mm gauge shielded cable, which was a 6-core cable. The correspondence between the cable core color and the connector is shown in the following table.
Corresponding relation between the plug-in connector of the adapter cabinet end and the terminal plug-in connector of the connection panel from P1 to P8
In the drawing 4, a first set of Y11P-2461 aviation connectors at the upper left corner are connected with 8 sockets in total from P1-P8 through adapter cables, a second set of Y11P-2461 aviation connectors are connected with 8 sockets in total from P9-P16 through adapter cables, a third set of Y11P-2461 aviation connectors are connected with 8 sockets in total from P17-P24 through adapter cables, a fourth set of Y11P-2461 aviation connectors are connected with 8 sockets in total from P25-P32 through adapter cables, a fifth set of Y11P-2461 aviation connectors are connected with 8 sockets in total from P33-P40 through adapter cables, and a sixth set of Y11P-2461 aviation connectors are connected with 8 sockets in total from P41-P48 through adapter cables.
The welding definitions of the connectors P9-P16, P17-P24, P25-P32, P33-P40 and P41-P48 are the same as those of the connectors P1-P8.
Meanwhile, a toggle switch, a sensor signal (signal +, signal-) and a power supply (excitation + excitation-) detection hole are arranged on the right side of the 6 sets of Y11P-2461 aviation connectors. The toggle switch is a 4-layer 8-blade switch, and a corresponding input measuring channel is selected by switching the toggle switch gears (for example, the first toggle switch gear 0-7 at the upper left corner of fig. 4 corresponds to monitoring P1-P8 measuring channels, and so on). And a multimeter is inserted into the monitoring hole to obtain a sensor input signal or a power supply value.
The connection correspondence relationship of the toggle switches corresponding to the P1-P8 measurement channels is shown in the following table.
For example, the toggle switch layer 1 corresponds to a signal + monitoring hole, the gear 0 corresponds to a measurement channel P1, and the welding point of the ZHJ socket corresponding to Y11P-2461 on the wiring panel is 2 points.
The first wiring panel is also provided with 6 sets of HY27G1-1003 connectors for switching the 6 paths of fault diagnosis and repeated recording signals, which correspond to the repeated recording signals P1 (cause) to P6 (cause). The welding correspondence is shown in the following table.
For example, the patch panel end P1 (hence) channel is connected to the corresponding solder of the P1 channel of the cabinet, the P1 (hence) connector solder 1 corresponds to signal +, and is soldered to the P1 channel receptacle 3 spot of the cabinet, the core is gray.
The second connection panel shown in fig. 5 corresponds to 16 platinum resistor temperatures, 22 thermocouple temperatures and 10 flow speed signals, and 5 sets of Y11P-2255ZHJ (socket)/TK 2 (plug) aviation connectors are selected for switching (the lower right corner is 1 backup), and the welding points of the connectors are totally 55 points. The detection device respectively corresponds to measurement channels Pt1-Pt 8, Pt 9-Pt 16, T1-T11, T12-T22 and Q1-Q10, and meanwhile sensor signal (signal + and signal-) detection holes and toggle switches are arranged on the upper sides of the 5 sockets. Corresponding input channels are selected by switching the gear positions of the toggle switches (for example, the 1 st gear position of the band switch 0-7 at the upper left corner of FIG. 4 corresponds to the monitoring inputs Pt1-Pt 8, and so on). The positive and negative pins of the multimeter are inserted into the corresponding monitoring holes to obtain the output signal value of the sensor. The purpose is through detecting sensor output signal, judge and measure the passageway state and compare with acquisition system record sensor output value.
The table below shows the cable junction cabinets and the junction panels from Pt1 to Pt 8.
The welding definitions of the Pt 9-Pt 16 connectors are the same as those of the Pt1-Pt 8.
The correspondence between the cable transfer cabinets from T1 to T11 and the patch panels is shown in the following table.
The welding definitions of the T12-T22 connectors are the same as those of the T1-T11.
The correspondence between the cable switchgears Q1-Q11 and the patch panels is shown in the following table.
The connection correspondence of the Pt1-Pt 8 corresponding to the toggle switches is shown in the following table, which corresponds to the 1 st toggle switch from left to right in FIG. 5.
| Socket welding spot of wiring panel | Channel | Pt1 | Pt2 | Pt3 | Pt4 | Pt5 | Pt6 | Pt7 | Pt8 |
| Type (B) | |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Signal + | |
18 | 20 | 22 | 24 | 26 | 28 | 30 | 32 |
| Signal- | |
2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
The corresponding toggle switches Pt 9-Pt 16 are the same as those in the table above, and correspond to the 2 nd toggle switch from left to right in FIG. 5.
The connection correspondence between the T1-T8 corresponding to the toggle switches is shown in the following table, which corresponds to the 3 rd toggle switch from left to right in FIG. 5.
| Socket welding spot of wiring panel | Channel | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 |
| Types of | |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Signal + | |
1 | 20 | 22 | 5 | 25 | 8 | 28 | 11 |
| Signal- | |
2 | 21 | 23 | 6 | 26 | 9 | 29 | 12 |
The connection correspondence between the T9-T16 corresponding to the toggle switches is shown in the following table, which corresponds to the 4 th toggle switch from left to right in FIG. 5.
| Socket welding spot of wiring panel | Channel | T9 | T10 | T11 | T12 | T13 | T14 | T15 | T16 |
| Type (B) | |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Signal + | |
31 | 14 | 34 | 1 | 20 | 22 | 5 | 25 |
| Signal- | |
32 | 15 | 35 | 2 | 21 | 23 | 6 | 26 |
The connection correspondence between the T17-T22 corresponding to the toggle switches is shown in the following table, which corresponds to the 5 th toggle switch from left to right in FIG. 5.
| Socket welding spot of wiring panel | Channel | T17 | T18 | T19 | T20 | T21 | T22 |
| Type (B) | |
0 | 1 | 2 | 3 | 4 | 5 |
| Signal + | |
8 | 28 | 11 | 31 | 14 | 34 |
| Signal- | |
9 | 29 | 12 | 32 | 15 | 35 |
The connection correspondence relationships between Q1 and Q11 and the corresponding toggle switches are shown in the following table. (Q9, Q10 and Q11 are not provided with toggle switches), which corresponds to the 6 th toggle switch from left to right in FIG. 5.
| Socket welding spot of wiring panel | Channel | Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | |
| Type (B) | |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| | Layer | 1 of |
1 | 20 | 22 | 5 | 25 | 8 | 28 | 11 |
| Signal- | |
2 | 21 | 23 | 6 | 26 | 9 | 29 | 12 |
As shown in fig. 6, in this embodiment, 6 power adapter boards are designed and manufactured, and each power adapter board provides 8 paths of excitation power, corresponding to 8 paths of thrust and pressure parameters. The total power input signal is divided into 6 paths, 1 path of power input signal (excitation + is red, excitation-is black) is arranged on the right side, the signal is divided into 8 paths through a crimping terminal on the circuit board, the 8 paths of power signals supply power for 8 sensors corresponding to 8 measuring channels, and the other end of the cable is welded to corresponding points of a Y11P-2461ZHJ socket. For example, input 1 on the 1 st power patch panel is connected to P1 excitation + soldered to 1 point of Y11P-2461ZHJ, excitation-soldered to 25 points of Y11P-2461 ZHJ; input 2 is connected with P2 excitation + welding to 5 points of Y11P-2461ZHJ, excitation-welding to 29 points of Y11P-2461 ZHJ; and so on.
The correspondence relationship between the P1-P8 parameter power supply connections is shown in the table above.
Claims (7)
1. A high-reliability measuring system for simultaneously acquiring various types of parameters comprises a movable cable, a wiring panel component positioned between front equipment, a front-end acquisition cabinet and a cRIO distributed acquisition system;
the method is characterized in that: the system also comprises a wire rack wire slot, a switching cabinet and a switching cable which are positioned between the front devices;
the adapter cabinet comprises a panel, and a first socket assembly, a second socket assembly, a third socket assembly and a fourth socket assembly are arranged on the panel; the first socket assembly comprises m sockets, and each socket corresponds to one thrust pressure slowly-varying parameter measuring channel; the second socket assembly comprises n sockets, and each socket corresponds to a vacuum pressure and platinum resistance slowly-varying parameter measuring channel; the third socket assembly comprises i sockets, and each socket corresponds to one thermocouple slowly-varying parameter measuring channel; the fourth socket assembly comprises j sockets, and each socket corresponds to one flow rotating speed slowly-varying parameter measuring channel; wherein m, n, i and j are positive integers more than or equal to 1;
the wiring panel assembly comprises a first wiring panel and a second wiring panel;
the first wiring panel is provided with x aviation sockets corresponding to the first socket assembly, and each aviation socket is connected with a sockets in the first socket assembly through a transfer cable, wherein a is equal to m/x; switching the thrust pressure slowly-varying parameters;
the second wiring panel is provided with aviation sockets corresponding to the second socket assembly, the third socket assembly and the fourth socket assembly, and each aviation socket is connected with the sockets in the second socket assembly, the third socket assembly and the fourth socket assembly through a transfer cable to transfer vacuum pressure, platinum resistance slow-change parameters, thermocouple slow-change parameters and flow and rotation speed slow-change parameters;
one end of the movable cable is connected with the slowly-varying parameter sensor, the other end of the movable cable is in butt joint with a corresponding socket on the panel of the adapter cabinet through a wire rack slot, slowly-varying parameters are converged into a corresponding aviation socket in the wiring panel through the adapter cable, and then are input into the cRIO distributed acquisition system through the front-end acquisition cabinet;
the VXI system also comprises a VXI rear-end switching cabinet and a VXI fault diagnosis system; the first wiring panel further comprises x complex-notation signal connectors;
one end of each of the x complex signal connectors is sequentially connected with the front x sockets in the first socket assembly to receive input signals in each thrust pressure slowly-varying parameter channel, and the other end of each complex signal connector transmits the signals back to the VXI rear end switching cabinet through the main cable and finally enters the VXI fault diagnosis system.
2. The system according to claim 1, wherein said system comprises: each aviation socket of first wiring panel and second wiring panel all corresponds and is equipped with the section switch of dialling, selects to correspond through trading the section switch gear of dialling and measures the passageway.
3. The system of claim 2, wherein the multi-type parameter simultaneous acquisition high reliability measurement system comprises: the first wiring panel is also provided with a sensor signal detection hole and a sensor power supply detection hole.
4. The system of claim 3, wherein the multi-type parameter simultaneous acquisition high reliability measurement system comprises: the power adapter plate component is also included;
the power supply adapter plate assembly comprises x power supply adapter plates which are connected with the power supply signal output end, and each power supply adapter plate provides an a-channel excitation power supply; each power supply adapter plate independently supplies power for a pressure thrust sensors.
5. The system of claim 4, wherein the multi-type parameter simultaneous acquisition high reliability measurement system comprises: the patch cable used RVVP model 6 x 0.2mm gauge shielded cable.
6. The system of claim 5, wherein the multi-type parameter simultaneous acquisition high reliability measurement system comprises: x equals 6 and a equals 8.
7. The system of claim 6, wherein the system comprises: the model of the first wiring panel aviation socket is Y11P-2461 ZHJ; the type of the socket in the first socket component is HY1A1-1207ZJB 1;
one end of the patch cable is welded with the Y11P-2461TK2 aviation plug and is connected with the Y11P-2461ZHJ socket on the first wiring panel, and the other end of the patch cable is welded with 8 HY1A1-1207ZJB1 sockets in the first socket assembly.
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| CN101995270A (en) * | 2010-11-16 | 2011-03-30 | 河北省电力研究院 | Test data acquisition device |
| CN104655307A (en) * | 2015-03-12 | 2015-05-27 | 哈尔滨电机厂有限责任公司 | Large-size high-speed motor stress and temperature monitoring system |
| CN105137308A (en) * | 2015-09-22 | 2015-12-09 | 国网山东东营市东营区供电公司 | Electric power equipment insulation integrated online monitoring system |
| CN105911468A (en) * | 2016-04-28 | 2016-08-31 | 北京中水科水电科技开发有限公司 | Uniform accessing apparatus for onsite test parameters for waterpower set |
| CN106525436B (en) * | 2016-09-09 | 2019-10-18 | 西安航天动力试验技术研究所 | A kind of engine test long-range exhaust system collecting and distributing type parameter measurement system and method |
| CN108120606B (en) * | 2018-01-29 | 2019-04-05 | 吉林大学 | Commercial vehicle electric brake system hardware-in-the-loop test platform and test method based on PXI and cRIO controller |
| CN110823579B (en) * | 2019-11-11 | 2021-08-17 | 西安航天动力试验技术研究所 | Sensor signal switching device of engine test bed slowly-varying parameter acquisition system |
| CN111060761B (en) * | 2019-12-12 | 2021-11-16 | 西安航天动力试验技术研究所 | Test method based on liquid rocket engine test system |
| CN111044213A (en) * | 2019-12-12 | 2020-04-21 | 西安航天动力试验技术研究所 | LMS (least mean Square) acquisition system and water attack pressure parameter calibration method and processing method thereof |
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