CN106768424A - The SAT tests mounting structure and its method of testing of furnace temperature detecting element - Google Patents
The SAT tests mounting structure and its method of testing of furnace temperature detecting element Download PDFInfo
- Publication number
- CN106768424A CN106768424A CN201611144626.5A CN201611144626A CN106768424A CN 106768424 A CN106768424 A CN 106768424A CN 201611144626 A CN201611144626 A CN 201611144626A CN 106768424 A CN106768424 A CN 106768424A
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- thermocouple
- contiguous block
- control heat
- connecting hole
- heater temperature
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
Present invention is disclosed a kind of SAT tests mounting structure and its method of testing of furnace temperature detecting element, including body of heater temperature-control heat couple, test instrumentation, thermocouple contiguous block, plug, verification thermocouple and Site Detection instrument, thermocouple contiguous block is in hollow form type, the front end of thermocouple contiguous block is provided with through hole, rear end is provided with first, second connecting hole, first, second connecting hole is connected with through hole, body of heater temperature-control heat couple and verification thermocouple are inserted into thermocouple contiguous block from the first connecting hole and the second connecting hole respectively, the two front end exceeds through hole, rear end exceeds the first connecting hole and the second connecting hole, the rear end of body of heater temperature-control heat couple and verification thermocouple is connected with test instrumentation and Site Detection instrument respectively.Thermocouple fixes reliable in the present invention, under conditions of body of heater temperature-control heat couple and verification are consistent with thermocouple length, can guarantee that the requirement of the distance between the measurement head of body of heater temperature-control heat couple and the measurement head of verification thermocouple satisfaction.
Description
Technical field
The present invention relates to the system accuracy verification in U.S. high temperature measurement standard AMS2750E（SAT）, especially SAT tests
With the mounting structure and its method of testing of furnace temperature detecting element.
Background technology
U.S. high temperature measurement standard AMS2750E as advanced country in the world technical standard, be US Airways industry long-term
Wisdom crystallization in production practices, learns and understands the hair of the relevant criterion to China's the sector of advanced country in the world Aviation Industry
Exhibition has an important directive function, and SAT tests are that Aero-Space material therefor security is responsible under the strict implement standard, are had
It is of great importance.
SAT is the abbreviation of System Accuracy Test, and its Chinese implication is：System accuracy is verified." system accuracy school
Test（SAT）Probe is checked "：Technique Yi Biao ∕ Dao Xian ∕ sensor readings or numerical value are sensed with calibrated Ce examination Yi Biao ∕ Dao Xian ∕
Whether in allowed limits device reading or numerical value carry out live comparing, with the temperature deviation measured by determination.The system of carrying out essence
The purpose for spending verification is control and the accuracy of record system of each control zone for ensureing stove.
The 3.4.5.2 articles regulation of U.S. high temperature measurement standard AMS2750E standards：The end of system accuracy check sensor
（Measurement joint）Should be close proximity to the end of control, monitoring and record sensor（Measurement joint）, its distance should be not more than 3 inches
(76mm).The verification thermocouple that follow-up system precision checking is used should be placed in and first system check identical Chang Suo ∕ Wei Zhi ∕ depths
Degree.System accuracy check sensor can be in order to test the interim test sensor for inserting or being permanently affixed on stove, to it
3.4.5.2.1 is shown in limitation.
In real system precision checking（SAT）During measurement of furnace temperature point due to being in the inside of closed furnace, Wo Menwu
Method determines to be when SAT is tested to be needed the end of system accuracy check sensor（Measurement head）Whether control, monitoring are really close to
With the end of record sensor（Measurement head）And meet code requirement certainly.
The content of the invention
Above mentioned problem the invention aims to solve prior art presence, there is provided a kind of SAT tests are examined with furnace temperature
The mounting structure and its method of testing of element are surveyed, the end of system accuracy check sensor in test process can be allowed（Measurement joint）
With the end of control, monitoring and record sensor（Measurement joint）The distance between meet the system accuracy of AMS2750E defineds
Verification（SAT）Distance limitation before middle two sensorses.
The purpose of the present invention is achieved through the following technical solutions：
A kind of SAT tests mounting structure of furnace temperature detecting element, including body of heater temperature-control heat couple and test instrumentation, the test
Instrument is connected with the rear end of body of heater temperature-control heat couple, for reading body of heater temperature-control heat couple measured value, also including thermocouple
Contiguous block, plug, verification thermocouple and Site Detection instrument, the thermocouple contiguous block are in hollow form type, the thermoelectricity
The front end of even contiguous block is provided with through hole, and the rear end of thermocouple contiguous block is provided with the first connecting hole and the second connecting hole, described first
Connecting hole and the second connecting hole are connected with through hole, and furnace interior is stretched into the front end of the thermocouple contiguous block, and rear end is located at
Outside body of heater；The body of heater temperature-control heat couple is installed on thermocouple contiguous block inner chamber, and body of heater temperature-control heat couple front end exceeds thermoelectricity
The through hole of even contiguous block, body of heater temperature-control heat couple rear end exceeds the first connecting hole of thermocouple contiguous block, the body of heater temperature control heat
When galvanic couple is in running order, the plug blocks the second connecting hole；The body of heater temperature-control heat couple is in SAT test modes
When, the verification the installation of TC is in thermocouple contiguous block inner chamber, and the front end of the verification thermocouple is coupled beyond thermoelectricity
The through hole of block is connect, the rear end of verification thermocouple exceeds the second connecting hole of thermocouple contiguous block, the verification thermocouple
Rear end is connected with the Site Detection instrument.
Further, the above-mentioned SAT tests mounting structure of furnace temperature detecting element, wherein：In institute thermocouple contiguous block and
Aluminosilicate fiber cotton is filled near the position of the first connecting hole and the second connecting hole.
Further, the above-mentioned SAT tests mounting structure of furnace temperature detecting element, wherein：The body of heater temperature control thermoelectricity
Even rear end periphery is connected with collar joint, is provided with split nut in first connecting hole, the collar joint with it is described
Split nut is connected so that split nut is sealed with aluminosilicate fiber cotton and compressed, so as to lock the body of heater temperature-control heat couple.
Yet further, the above-mentioned SAT tests mounting structure of furnace temperature detecting element, wherein：The test instrumentation includes
Aviation private jack and body display device, the aviation private jack are connected with the rear end of body of heater temperature-control heat couple, described
Body display device is connected with aviation private jack.
The invention also discloses a kind of SAT tests method of testing of furnace temperature detecting element, comprise the following steps：It is normal to survey
During examination stove body temperature,（1）Body of heater temperature-control heat couple 1 is inserted into from the first connecting hole of thermocouple contiguous block 3 so that body of heater
The front end of temperature-control heat couple 1 is stretched into body of heater through the through hole of thermocouple contiguous block 3, and rear end exceeds the first connecting hole,（2）In heat
The inner chamber of galvanic couple contiguous block 3, and near the position filling aluminosilicate fiber cotton 2 of the first connecting hole,（3）In the first connecting hole and second
Split nut is installed, in the outer installation collar joint of body of heater temperature-control heat couple 1, by rotating collar joint and split nut in through hole
5 so that the sealing of aluminosilicate fiber cotton 2 between split nut 5 and thermocouple contiguous block 3 is compressed, further locking body of heater temperature control heat
Galvanic couple 1；（4）Second connecting hole plug 4 is blocked,（5）Test instrumentation is connected with the rear end of body of heater temperature-control heat couple 1；
When SAT tests are carried out to body of heater temperature-control heat couple 1, according to above-mentioned steps（1）To step（5）It is fixedly connected body of heater temperature control thermoelectricity
After even 1, following steps are taken,（6）The plug 4 on the second through hole is taken out,（7）By verification thermocouple 7 from thermocouple contiguous block 3
The second connecting hole be inserted into so that the front end of verification thermocouple 7 is stretched into body of heater through the through hole of thermocouple contiguous block 3,
Rear end exceeds the second connecting hole,（8）In the inner chamber of thermocouple contiguous block 3, and near the position filling aluminium silicate fiber of the second connecting hole
Vinylon and cotton blend 2,（9）Collar joint is installed with thermocouple 7 is outer in verification, by rotating collar joint and split nut 5 so that lock spiral shell
The sealing of aluminosilicate fiber cotton 2 between female 5 and thermocouple contiguous block 3 is compressed, further locking verification thermocouple 7,（10）Will
Site Detection instrument 8 is connected with the rear end of verification thermocouple 7,（11）Compare the scene inspection being connected with verification thermocouple 7
The numerical value of instrument 8 and the test instrumentation being connected with body of heater temperature-control heat couple 1 is surveyed, if numerical value is identical or in error range, is said
Open oven body temperature-control heat couple 1 is in normal operating conditions, if numerical value is outside error range, illustrates body of heater temperature-control heat couple 1
Non-normal working
It is of the invention to have the technical effect that：The present invention designs original, simple structure, its primary structure thermocouple contiguous block
Can be made by user's requirement selection material, body of heater temperature-control heat couple and verification thermocouple fix reliability, in verification thermoelectricity
Under conditions of occasionally consistent with body of heater temperature-control heat couple length, the survey for measuring joint and body of heater temperature-control heat couple of verification thermocouple
The distance between amount joint meets the requirement of U.S. AMS2750E.
Brief description of the drawings
Fig. 1 is installation of the SAT tests furnace temperature detecting element structure of the present invention on casing；
Fig. 2 is I enlarged drawing in Fig. 1；
Fig. 3 is that the mounting structure of SAT tests furnace temperature detecting element of the present invention is used for the schematic diagram that SAT tests the used time.
The implication of each mark in figure：1- body of heater temperature-control heat couples, 2- aluminosilicate fiber cottons, 3- thermocouple contiguous blocks, 4- is blocked up
Head, 5- split nuts, 6- Aero-Space private jacks, 7- verification thermocouples, 8- Site Detection instrument, 9- body display devices.
Specific embodiment
AMS2750 is US Airways space industry MAT'L specification, is also the foundation of air line Nadcap certifications.In reality
System accuracy is verified（SAT）During measurement of furnace temperature point due to being that, in the inside of closed furnace, we cannot determine to do SAT tests
When need the end of system accuracy check sensor（Measurement head）Whether the end of control, monitoring and record sensor is really close to
End（Measurement head）And meet code requirement certainly, and this practicality is in order to be able to preferably complete the system accuracy school of its defined
Test（SAT）.
SAT is to system precision checking sensor in U.S. AMS2750E（That is thermocouple）End（Measurement joint）With control,
Monitoring and record sensor（That is thermocouple）End（Measurement joint）The distance between requirement cause that we must make one
Plant simple, reliable thermocouple assembly.
Below in conjunction with accompanying drawing, specific embodiment of the invention is described in further detail, so that technical solution of the present invention is more
Should be readily appreciated that and grasp.
As shown in Figure 1, Figure 2 and Figure 3, the SAT tests mounting structure of furnace temperature detecting element：Body of heater temperature-control heat couple 1, silicon
Sour aluminum fiber cotton 2, thermocouple contiguous block 3, plug 4, split nut 5 and SAT test the installation form institute of furnace temperature detecting element
Need element：Aero-Space private jack 6, verification thermocouple 7, Site Detection instrument 8, body display device 9.
As depicted in figs. 1 and 2, thermocouple contiguous block 3 is in hollow form type, and the front end of thermocouple contiguous block 3 is provided with through hole, after
End is provided with the first connecting hole and the second connecting hole, and the first connecting hole and the second connecting hole are connected with through hole, thermocouple connection
Furnace interior is stretched into the front end of block 3, and rear end is located at outside body of heater 1.When normally using stove, body of heater temperature-control heat couple 1 is installed on
The inner chamber of thermocouple contiguous block 3, the front end of body of heater temperature-control heat couple 1 exceeds the through hole of thermocouple contiguous block 3, body of heater temperature-control heat couple
1 rear end exceeds the first connecting hole of thermocouple contiguous block 3, and the rear end periphery of body of heater temperature-control heat couple 1 is connected with collar joint,
Split nut 5 is installed, collar joint is connected with split nut 5 in first connecting hole, in thermocouple contiguous block 3 and near first
The position of connecting hole and the second connecting hole is filled with aluminosilicate fiber cotton 2, and lock is caused by rotating collar joint and split nut 5
The sealing of aluminosilicate fiber cotton 2 between nut 5 and thermocouple contiguous block 3 compresses further stuck body of heater temperature-control heat couple 1.Body of heater
During 1 normal work of temperature-control heat couple, i.e., when non-SAT is tested, the second connecting hole plug 4 is blocked, body of heater temperature control thermoelectricity
After even 1 fixes with the aforedescribed process, the rear end of body of heater temperature control thermocouple 1 is connected with aviation private jack 6 on furnace wall,
Then again with body display device 9（Such as PLC）Connect, aviation private jack 6 and body display device 9 also can be by other here
Test instrumentation is substituted, as long as the numerical value measured by body of heater temperature control thermocouple 1 can accurately be shown.
As shown in figure 3, the second connecting hole is only useful in SAT tests, when SAT is tested, plug 4 is taken out, verification is used
Thermocouple 7 is fixed in the second connecting hole according to the above-mentioned fixing means of body of heater temperature-control heat couple 1, will be verified and be used the installation of TC
In the inner chamber of thermocouple contiguous block 3, verification, beyond the through hole of thermocouple contiguous block 3, is verified and uses thermocouple 7 with the front end of thermocouple 7
Rear end beyond thermocouple contiguous block 3 the second connecting hole, the rear end periphery of verification thermocouple 7 is connected with collar joint, the
Split nut 5 is installed, collar joint is connected with split nut 5 on two connecting holes, connects in thermocouple contiguous block 3 and near first
The position of hole and the second connecting hole is connect filled with aluminosilicate fiber cotton 2, lock spiral shell is caused by rotating collar joint and split nut 5
The sealing of aluminosilicate fiber cotton 2 between female 5 and thermocouple contiguous block 3 is compressed, further stuck body of heater temperature-control heat couple 1, afterwards
Directly connect with Site Detection instrument 8, same time contrast body of heater temperature control surveys data with thermocouple 1 and verification thermocouple 7.
If the data surveyed are identical or within error range, the normal work of body of heater temperature-control heat couple 1 is illustrated, conversely, then illustrating
Body of heater temperature-control heat couple 1 is in abnormal operating state.
Explanation is needed exist for, the first connecting hole and the second connecting hole are two identical connecting holes, it should be apparent that,
Also body of heater temperature-control heat couple 1 can be installed in the second connecting hole, correspondingly, when carrying out SAT tests, then by verification thermocouple
7 are installed in the first connecting hole.
The application method of above-mentioned SAT tests furnace temperature detecting element is comprised the following steps：During proper testing stove body temperature,
（1）Body of heater temperature-control heat couple 1 is inserted into from the first connecting hole of thermocouple contiguous block 3 so that before body of heater temperature-control heat couple 1
The through hole through thermocouple contiguous block 3 is held to stretch into body of heater, rear end exceeds the first connecting hole,（2）In thermocouple contiguous block 3
Chamber, and near the position filling aluminosilicate fiber cotton 2 of the first connecting hole,（3）Lock is installed in the first connecting hole and the second through hole
Nut, in the outer installation collar joint of body of heater temperature-control heat couple 1, by rotating collar joint and split nut 5 so that split nut
The sealing of aluminosilicate fiber cotton 2 between 5 and thermocouple contiguous block 3 is compressed, further locking body of heater temperature-control heat couple 1；（4）By
Two connecting hole plugs 4 are blocked,（5）Test instrumentation is connected with the rear end of body of heater temperature-control heat couple 1；To body of heater temperature control thermoelectricity
When idol 1 carries out SAT tests, according to above-mentioned steps（1）To step（5）After being fixedly connected body of heater temperature-control heat couple 1, take following
Step,（6）The plug 4 on the second through hole is taken out,（7）By verification with thermocouple 7 from the second connecting hole of thermocouple contiguous block 3
Insertion so that the front end of verification thermocouple 7 is stretched into body of heater through the through hole of thermocouple contiguous block 3, rear end connects beyond second
Connect hole,（8）In the inner chamber of thermocouple contiguous block 3, and near the position filling aluminosilicate fiber cotton 2 of the second connecting hole,（9）In verification
Collar joint is installed with thermocouple 7 is outer, by rotating collar joint and split nut 5 so that split nut 5 is connected with thermocouple
The sealing of aluminosilicate fiber cotton 2 between block 3 is compressed, further locking verification thermocouple 7,（10）By the He of Site Detection instrument 8
The rear end of verification thermocouple 7 is connected,（11）Compare the Site Detection instrument 8 and and body of heater being connected with verification thermocouple 7
The numerical value of the test instrumentation of the connection of temperature-control heat couple 1, if numerical value is identical or in error range, illustrates body of heater temperature-control heat couple
1 is in normal operating conditions, if numerical value is outside error range, illustrates the non-normal working of body of heater temperature-control heat couple 1.
By above description it can be seen that：The present invention designs original, simple structure, and its primary structure thermocouple contiguous block can
Made with by user's requirement selection material, body of heater temperature-control heat couple and verification thermocouple fix reliability, in verification thermocouple
Under conditions of consistent with body of heater temperature-control heat couple length, the measurement for measuring joint and body of heater temperature-control heat couple of verification thermocouple
The distance between joint meets the requirement of U.S. AMS2750E.
Certainly, it is more than representative instance of the invention, in addition, the present invention can also have other various specific implementations
The technical scheme that mode, all use equivalents or equivalent transformation are formed, all falls within the scope of protection of present invention.
Claims (5)
1. a kind of SAT is tested with the mounting structure of furnace temperature detecting element, including body of heater temperature-control heat couple and test instrumentation, the survey
Examination instrument is connected with the rear end of body of heater temperature-control heat couple, for reading body of heater temperature-control heat couple measured value, it is characterised in that：
Also include thermocouple contiguous block, plug, verification thermocouple and Site Detection instrument, the thermocouple contiguous block is in hollow form
Type, the front end of the thermocouple contiguous block is provided with through hole, and the rear end of thermocouple contiguous block is provided with the first connecting hole and the second connection
Hole, first connecting hole and the second connecting hole are connected with through hole, and the front end of the thermocouple contiguous block is stretched into body of heater
Portion, rear end is located at outside body of heater；The body of heater temperature-control heat couple is installed on thermocouple contiguous block inner chamber, before body of heater temperature-control heat couple
End is beyond the through hole of thermocouple contiguous block, and body of heater temperature-control heat couple rear end exceeds the first connecting hole of thermocouple contiguous block, described
When body of heater temperature-control heat couple is in running order, the plug blocks the second connecting hole；The body of heater temperature-control heat couple is in SAT
During test mode, the verification the installation of TC exceeds in thermocouple contiguous block inner chamber, the front end of the verification thermocouple
The through hole of thermocouple contiguous block, the rear end of verification thermocouple exceeds the second connecting hole of thermocouple contiguous block, and the verification is used
The rear end of thermocouple is connected with the Site Detection instrument.
2. SAT according to claim 1 is tested with the mounting structure of furnace temperature detecting element, it is characterised in that：The thermoelectricity
Aluminosilicate fiber cotton is filled with even contiguous block and near the position of the first connecting hole and the second connecting hole.
3. SAT according to claim 2 is tested with the mounting structure of furnace temperature detecting element, it is characterised in that：The body of heater
Temperature-control heat couple rear end periphery is connected with collar joint, and split nut is provided with first connecting hole, and the bite type connects
Head is connected with the split nut so that split nut is sealed with aluminosilicate fiber cotton and compressed, so as to lock the body of heater temperature control heat
Galvanic couple.
4. SAT according to claim 1 is tested with the mounting structure of furnace temperature detecting element, it is characterised in that：The test
Instrument includes aviation private jack and body display device, and the aviation private jack is connected with the rear end of body of heater temperature-control heat couple
Connect, the body display device is connected with aviation private jack.
5. a kind of SAT is tested with the method for testing of furnace temperature detecting element, using described in any one described in claim 1-4
Furnace temperature detecting element is used in SAT tests, it is characterised in that：Comprise the following steps：During proper testing stove body temperature,（1）By body of heater
Temperature-control heat couple 1 is inserted into from the first connecting hole of thermocouple contiguous block 3 so that the front end of body of heater temperature-control heat couple 1 passes through heat
The through hole of galvanic couple contiguous block 3 is stretched into body of heater, and rear end exceeds the first connecting hole,（2）In the inner chamber of thermocouple contiguous block 3, and it is close to
The position filling aluminosilicate fiber cotton 2 of the first connecting hole,（3）Split nut is installed in the first connecting hole and the second through hole, in stove
Body temperature-control heat couple 1 is outer to install collar joint, by rotating collar joint and split nut 5 so that split nut 5 and thermocouple
The sealing of aluminosilicate fiber cotton 2 between contiguous block 3 is compressed, further locking body of heater temperature-control heat couple 1；（4）By the second connecting hole
Blocked with plug 4,（5）Test instrumentation is connected with the rear end of body of heater temperature-control heat couple 1；Body of heater temperature-control heat couple 1 is carried out
When SAT is tested, according to above-mentioned steps（1）To step（5）After being fixedly connected body of heater temperature-control heat couple 1, following steps are taken,
（6）The plug 4 on the second through hole is taken out,（7）Verification thermocouple 7 is inserted into from the second connecting hole of thermocouple contiguous block 3,
So that the front end of verification thermocouple 7 is stretched into body of heater through the through hole of thermocouple contiguous block 3, rear end exceeds the second connecting hole,
（8）In the inner chamber of thermocouple contiguous block 3, and near the position filling aluminosilicate fiber cotton 2 of the second connecting hole,（9）In verification heat
Galvanic couple 7 is outer to install collar joint, by rotating collar joint and split nut 5 so that split nut 5 and thermocouple contiguous block 3
Between aluminosilicate fiber cotton 2 sealing compress, further locking verification thermocouple 7,（10）By Site Detection instrument 8 and verification
It is connected with the rear end of thermocouple 7,（11）Compare the Site Detection instrument 8 that is connected with verification thermocouple 7 and with body of heater temperature control
The numerical value of the test instrumentation of the connection of thermocouple 1, if numerical value is identical or in error range, illustrates at body of heater temperature-control heat couple 1
In normal operating conditions, if numerical value is outside error range, the non-normal working of body of heater temperature-control heat couple 1 is illustrated.
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| CN201611144626.5A CN106768424B (en) | 2016-12-13 | 2016-12-13 | Mounting structure of furnace temperature detection element for SAT test and test method thereof |
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| CN107991004A (en) * | 2017-11-28 | 2018-05-04 | 中国能源建设集团华东电力试验研究院有限公司 | Reduce the special thermoelectricity even parity check error system of nuclear power generating sets |
| CN108469308A (en) * | 2018-07-10 | 2018-08-31 | 厦门市计量检定测试院 | A kind of surface temperature measurement instrument |
| CN112629707A (en) * | 2020-11-10 | 2021-04-09 | 贵州航宇科技发展股份有限公司 | Heating furnace system precision testing method |
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| CN106768424B (en) | 2023-08-08 |
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