CN104390728B - Measuring method for thermocouple weldering before spacecraft thermal test even correctness - Google Patents
Measuring method for thermocouple weldering before spacecraft thermal test even correctness Download PDFInfo
- Publication number
- CN104390728B CN104390728B CN201410664727.XA CN201410664727A CN104390728B CN 104390728 B CN104390728 B CN 104390728B CN 201410664727 A CN201410664727 A CN 201410664727A CN 104390728 B CN104390728 B CN 104390728B
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- test
- spacecraft
- pins
- plugs
- 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
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
It is used for the measuring method of the even correctness of thermocouple weldering before spacecraft thermal test the invention discloses a kind of, this method is connected into the measuring method that the method for clamping common point one end test plug probe one by one by simple one end after Y2 plugs is changed to set up test loop by the way that thermocouple is welded.This method has simplified human cost, improves measurement efficiency.
Description
Technical field
It is used for the measuring method that thermocouple weldering before spacecraft thermal test connects correctness the present invention relates to a kind of, belongs to satellite total
Fill verification test technical field.
Background technology
By taking two generation navigation platforms as an example, the 1- for being connected to a Y2-50ZJ plug is welded at the copper cash end of every 48 pieces of thermocouples successively
48 pins, constantan line end is threaded together, and forms a shared negative pole, this Y2-50ZJ plug 49,50 liangs of pins draw 2 copper cash, use
In cold junction compensation.
To verify the connection state of thermocouple and lead, it is necessary to which the break-make situation to each bar lead is detected.Currently, examine
Personnel are tested when detecting thermocouple, with the ohms range of digital multimeter, a clamping in two test pencils shares negative pole, Ling Yigen
The 1-48 pins of contact Y2-50ZJ plugs (electric connector), record the resistance of each thermocouple in order.As long as resistance is in 0
Between Ω -1000 Ω (two generation navigation platforms are often with 50 Ω -200 Ω), it is qualified to be all determined as.In addition between 49 pins of measurement and 50 pins
Resistance, if display short circuit, it is qualified to be determined as.
This detection mode needs two reviewers to cooperate, and each plug need to be measured 20 minutes, with every satellite
There are 5~7 acting thermocouple plug meters, it is necessary to 2 reviewers work 140 minutes, compare labor intensive, therefore, probe into a kind of province
When labour-saving method come realize thermocouple weldering connect correctness be very important.
The content of the invention
It is used for the measuring method that thermocouple weldering before spacecraft thermal test connects correctness it is an object of the invention to provide a kind of,
Using the method for testing, the correctness that the weldering of spacecraft Shanghai calorimetric galvanic couple connects can be completed with time saving and energy saving.
The present invention realizes foregoing invention purpose using following technical scheme：
It is a kind of to be used for the measuring method that thermocouple weldering before spacecraft thermal test connects correctness, comprise the following steps：
1) 48 copper cash ends of thermocouple on spacecraft are welded together with the 1-48 pins of Y2-50ZJ plugs successively；Will boat
2 constantan line ends of thermocouple are threaded together on its device, form a shared negative pole, then with the 49 of Y2-50ZJ plugs, 50 liang of pins
2 copper cash drawn are threaded together, and for cold junction compensation, the Y2-50ZJ of 50 pins is formed in this one end of spacecraft thermocouple
The interface of plug；
2) in the test module of the other end, by transit cable, SCXI buses cabinet, matrix switch and terminal box, numeral
Universal meter, tablet personal computer connection composition, then by writing programme-control digital multimeter and matrix switch, testing this one end shape
Into the interface of the Y2-50TK network connection tables of 50 pins；
3) the Y2-50ZJ plugs that this one end of spacecraft thermocouple is formed to 50 pins form one 50 with testing this one end
The Y2-50TK network connection tables of pin carry out grafting, complete hardware coupling part；
4) system testing is developed from LabVIEW language, and development environment is Windows XP systems, test system energy
Enough control matrix switch connects corresponding thermocouple according to specified contact table, meanwhile, test system can be using built in system
Digital multimeter measure the resistances of corresponding thermocouples, and judge resistance whether within normal range (NR)；
5) in test process, 1 and, 2 and 49 point, 3 and are tested respectively at 49 points at 49 points ... 48 and, 1 and 50 point, 2 at 49 points
With resistance and record between 50 points, 3 and 50 point ... 48 and 50 points, 49 and 50 point, each group of test data is all in cluster form
Preserve, cluster include the initial data that data collecting card and digital multimeter collect, user's setting, sentence read result, when testing
Between and storage state, ensure the integrality of test data by the data format of structuring.
The present invention has advantages below compared with prior art：
1) measuring principle being connected into after Y2 plugs is welded to thermocouple to innovate：By simple one end clamping common point one end by
The method of one test plug probe is changed to set up the measuring principle of test loop；
2) measuring method is innovated：Automatic measurement is promoted to by original manual measurement method, human cost is simplified,
Improve measurement efficiency；
3) application innovation is carried out to measuring instrument：Build the virtual instrument platform based on PXI buses, the corresponding switching of design
Interface, virtual instrument test is applied in the test of thermocouple.
Brief description of the drawings
Fig. 1 is the structural representation of thermocouple assay instrument before spacecraft thermal test.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail, what these explanations were merely exemplary, it is no intended to limits
Protection scope of the present invention.
The present invention's is used for the measuring method that thermocouple weldering before spacecraft thermal test connects correctness, comprises the following steps：
1) 48 copper cash ends of thermocouple on spacecraft are welded together with the 1-48 pins of Y2-50ZJ plugs successively；Will boat
2 constantan line ends of thermocouple are threaded together on its device, form a shared negative pole, then with the 49 of Y2-50ZJ plugs, 50 liang of pins
2 copper cash drawn are threaded together, and for cold junction compensation, the Y2-50ZJ of 50 pins is formed in this one end of spacecraft thermocouple
The interface of plug；
2) in the test module of the other end, by transit cable, SCXI buses cabinet, matrix switch and terminal box, numeral
Universal meter, tablet personal computer connection composition, then by writing programme-control digital multimeter and matrix switch, testing this one end shape
Into the interface of the Y2-50TK network connection tables of 50 pins；
3) the Y2-50ZJ plugs that this one end of spacecraft thermocouple is formed to 50 pins form one 50 with testing this one end
The Y2-50TK network connection tables of pin carry out grafting, complete hardware coupling part；
4) system testing is developed from LabVIEW language, and development environment is Windows XP systems, test system energy
Enough control matrix switch connects corresponding thermocouple according to specified contact table, meanwhile, test system can be using built in system
Digital multimeter measure the resistances of corresponding thermocouples, and judge resistance whether within normal range (NR)；
5) in test process, 1 and, 2 and 49 point, 3 and are tested respectively at 49 points at 49 points ... 48 and, 1 and 50 point, 2 at 49 points
With resistance and record between 50 points, 3 and 50 point ... 48 and 50 points, 49 and 50 point, each group of test data is all in cluster form
Preserve, cluster include the initial data that data collecting card and digital multimeter collect, user's setting, sentence read result, when testing
Between and storage state, ensure the integrality of test data by the data format of structuring.
The specific method for carrying out foil gauge filler test is as follows：
1) equipment such as connection controller, digital multimeter, matrix switch, transit cable, opens process of measurement.
2) lead-out wire of constantan line common port is connected with copper cash common port in the thermocouple electric connector for having connected weldering,
Form test loop.
3) connection transit cable and the electric connector of weldering even thermocouple.
4) page input plug number is being set.
5) in test sheets millet cake " test ", test is started.
6) it is to be tested to complete, check result in query page.
7) point " export " button selection data storage path, txt forms are saved as by file.
8) electric connector is disconnected, cable is arranged.
9) 2-8 is repeated, the electric connector that thermocouple is connected until completing all welderings completes test.
In test process check the page can direct reading, if there is open circuit, instrument will be prompted to overproof.Complete data
Export, opens preserved txt file, can consult test result.
Although the embodiment to the present invention gives detailed description and illustrated above, it should be noted that
We can carry out various equivalent changes and modification according to the conception of the present invention to above-mentioned embodiment, and the function produced by it is made
, all should be within protection scope of the present invention during with the spirit still covered without departing from specification and accompanying drawing.
Claims (1)
1. a kind of be used for the measuring method that thermocouple weldering before spacecraft thermal test connects correctness, comprise the following steps：
1) 48 copper cash ends of thermocouple on spacecraft are welded together with the 1-48 pins of Y2-50ZJ plugs successively；By spacecraft
2 constantan line ends of upper thermocouple are threaded together, and form a shared negative pole, then with the 49 of Y2-50ZJ plugs, 50 liang of pins draw
2 copper cash be threaded together, for cold junction compensation, the Y2-50ZJ plugs of 50 pins are formed in this one end of spacecraft thermocouple
Interface；
2) in the test system of the other end, by transit cable, SCXI buses cabinet, matrix switch and terminal box, digital versatile
Table, tablet personal computer connection composition, then by writing programme-control digital multimeter and matrix switch, one is formed testing this one end
The interface of the Y2-50TK network connection tables of individual 50 pin；
3) this one end of spacecraft thermocouple is formed to the Y2-50ZJ plugs of 50 pins with testing one 50 pin of this one end formation
Y2-50TK network connection tables carry out grafting, complete hardware coupling part；
4) test system is developed from LabVIEW language, and development environment is Windows XP systems, and test system can be controlled
Matrix switch processed connects corresponding thermocouple according to specified contact table, meanwhile, test system can utilize the number built in system
Whether word universal meter measures the resistance of corresponding thermocouples, and judge resistance within normal range (NR)；
5) in test process, test respectively 1 and 49 points, 2 and 49 point, 3 and 49 points until 48 and 49 points, 1 and 50 point, 2 and 50
Point, 3 and 50 are until the resistance and record between 48 and 50 points, 49 and 50 point, and each group of test data is all preserved in cluster form, cluster
Include initial data, user's setting, sentence read result, testing time and storage state that digital multimeter is collected, pass through
The data format of structuring ensures the integrality of test data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664727.XA CN104390728B (en) | 2014-11-19 | 2014-11-19 | Measuring method for thermocouple weldering before spacecraft thermal test even correctness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664727.XA CN104390728B (en) | 2014-11-19 | 2014-11-19 | Measuring method for thermocouple weldering before spacecraft thermal test even correctness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390728A CN104390728A (en) | 2015-03-04 |
| CN104390728B true CN104390728B (en) | 2017-10-17 |
Family
ID=52608661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410664727.XA Expired - Fee Related CN104390728B (en) | 2014-11-19 | 2014-11-19 | Measuring method for thermocouple weldering before spacecraft thermal test even correctness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390728B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807553A (en) * | 2015-04-08 | 2015-07-29 | 宁波奥崎仪表成套设备有限公司 | Self-diagnosis thermocouple |
| CN110654572A (en) * | 2019-11-01 | 2020-01-07 | 上海裕达实业有限公司 | Novel spacecraft vacuum thermal test measurement and control device and measurement and control method |
| CN112213576B (en) * | 2020-09-11 | 2024-03-26 | 北京空间飞行器总体设计部 | Polarity testing method of electric heater for spacecraft |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3842050B2 (en) * | 2001-02-08 | 2006-11-08 | 富士通株式会社 | Press-fit pin connection inspection method and system |
| CN101769963A (en) * | 2008-12-29 | 2010-07-07 | 北京卫星环境工程研究所 | Line insulation testing system |
| CN102980933B (en) * | 2012-11-22 | 2015-01-21 | 中国石油大学(华东) | Multi-channel galvanic corrosion test system and method based on micro electrode array |
| CN103019902A (en) * | 2012-12-13 | 2013-04-03 | 中国航空无线电电子研究所 | Automatic testing device and automatic testing method of ARINC 429 bus signal performance parameters |
| CN203537403U (en) * | 2013-08-26 | 2014-04-09 | 华北计算技术研究所 | Universal automatic test system |
-
2014
- 2014-11-19 CN CN201410664727.XA patent/CN104390728B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104390728A (en) | 2015-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106997005B (en) | High-precision thermal control loop resistance value testing method | |
| CN109143033B (en) | Automatic testing system for whole satellite interface | |
| CN104390728B (en) | Measuring method for thermocouple weldering before spacecraft thermal test even correctness | |
| CN101769963A (en) | Line insulation testing system | |
| CN102426858A (en) | Method and system for detecting leakage current of storage units | |
| CN102778630A (en) | Multi-path electrical circuit rapid detection system and method | |
| CN206431226U (en) | A kind of distribution test device of train control on board equipment | |
| CN106200623B (en) | The semi-physical simulation test device of reactor core measuring system logic module | |
| CN205428501U (en) | Position measurement of nuclear power station reactor core stick and control rod drive mechanism's testing arrangement | |
| CN103116119A (en) | Test board based on hyper memory (HM) 276 stack-type electronic products and test method thereof | |
| CN112147419B (en) | Techniques to validate a de-embedder for interconnect measurements | |
| CN102087149A (en) | Temperature calibrator with temperature difference measurement function | |
| CN206020574U (en) | A kind of automobile power cell Beam Detector | |
| CN113405583B (en) | Automatic test equipment and control method for aviation board sensor | |
| CN205642727U (en) | Strain data collection equipment passageway detection device | |
| CN107942175A (en) | A kind of data collector Auto-Test System | |
| CN107894539A (en) | The low current detection device of satellite priming system security testing process | |
| CN106197756A (en) | Spacecraft thermal test hot thermocouple response test instrument | |
| CN103954315B (en) | Data collecting system online test method | |
| CN102353467B (en) | System and method for verifying detection accuracy of internal core temperature of chip | |
| CN105067988B (en) | Integrated circuit, arrangement for testing integrated circuit and method | |
| CN205506982U (en) | Automatic conduction testing of multichannel cable and test result transmission system with malfunction alerting function | |
| CN104502717A (en) | Intelligent battery inner resistance measuring meter | |
| CN205665009U (en) | Digital engine test control test bench control system based on CAN bus | |
| CN210051880U (en) | Jumper cable detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20211119 |