CN102680007A - Temperature and pressure all-in-one sensor for natural gas pipeline pressure maintaining tests - Google Patents
Temperature and pressure all-in-one sensor for natural gas pipeline pressure maintaining tests Download PDFInfo
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- CN102680007A CN102680007A CN2012101693319A CN201210169331A CN102680007A CN 102680007 A CN102680007 A CN 102680007A CN 2012101693319 A CN2012101693319 A CN 2012101693319A CN 201210169331 A CN201210169331 A CN 201210169331A CN 102680007 A CN102680007 A CN 102680007A
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Abstract
The invention relates to the technical field of sensors, in particular to a temperature and pressure all-in-one sensor for acceptance tests of natural gas pipelines and natural gas pipeline pressure maintaining tests by being directly installed according to conditions of a construction site. The temperature and pressure all-in-one sensor integrates a pressure sensor and a temperature sensor, reduces purchasing cost, and the sensor is convenient to install due to the fact that the sensor is designed to be in the mode of being capable of being installed from the front side and the back side. The designed volume of the sensor is identical to the volume of a normal sensor, and the sensor completely carries on the advantages of small volume, light weight and a complete stainless steel sealing structure, can work in erosion environment, is simple and convenient to install and has high vibration resistance and impact resistance. Simultaneously, manufacture structural process of the temperature and pressure all-in-one sensor is simplified, and the temperature and pressure all-in-one sensor simultaneously collects temperature parameters and pressure parameters at the same position, ensures identity of the position of a tested point, and is favorable for data fusion and data compensation of various parameters.
Description
Technical field
The present invention relates to sensor technical field, particularly a kind of reception test that is used for natural gas line is directly installed temperature and pressure one body sensor that carries out natural gas line pressurize test to the situation of working-yard.
Background technology
Sensor is the vitals in the industrial control system; The existing sensors measuring technique is very ripe; And measurement index improves constantly; Yet a sensor can only be measured a parameter, and is all very narrow to the measurement signal kinds and the function coverage rate of the measurement of more physics and chemical signal and multi-parameter signals, satisfied not the development need of growing automatically-monitored technology far away.
Before new discharge pipe of rock gas or the ventilation of old pipeline rehabilitation improvement project, all must carry out intensity and air-tight test, to guarantee the quality and the security of operation of pipeline to pipeline.As shown in Figure 2; In the test of pipeline pressurize at present respectively the working pressure sensor carry out pressure test; The serviceability temperature sensor carries out temperature test, and two different sensor will be punched on pipeline respectively usually, have increased perforate quantity; And be difficult to guarantee the locational homogeneity in measured point, be unfavorable for carrying out the data fusion and the compensation data of various parameters.This kind pressure-maintaining test device can only be measured in the pipeline near the temperature and pressure of tube wall simultaneously, and the temperature and pressure here receives the influence of pipeline surrounding environment bigger, so test data is inaccurate.
Summary of the invention
The technical matters that the present invention will solve provides a kind of temperature and pressure one body sensor that is used for natural gas line pressurize test, this temperature and pressure one body sensor can be on same position collecting temperature and pressure simultaneously.
For solving the problems of the technologies described above, a kind of temperature and pressure one body sensor that is used for natural gas line pressurize test comprises:
A pressure transducer that is used to detect tested object pressure;
A temperature sensor that is used to detect said tested object temperature;
A sensor housing is welded by sensor left end shell body and the sealing of sensor right-hand member shell body;
Said sensor left end shell body is used to place said pressure transducer and is made up by the lead that pressure signal cable and temperature signal cable are formed; Said pressure transducer sealing is arranged in first cavity of said sensor left end shell body right-hand member; The pressure signal cable that connects said pressure transducer passes the inner passage of said sensor left end shell body with the temperature signal cable that is connected said temperature sensor; Stretch out from the left side of said sensor left end shell body, be attached to external meters; Said sensor left end shell body is provided with external thread near the side of left side, and being attached to a travel mechanism through this external thread also can be along with this travel mechanism's move left and right;
Said sensor right-hand member shell body is used to place a said temperature sensor and a temp probe; Said temperature sensor sealing is arranged in second cavity of said sensor right-hand member shell body left end; Said temp probe left end is connected with said temperature sensor, and right-hand member passes from the right side of said sensor right-hand member shell body; On the right side of said sensor right-hand member shell body, also be provided with a pick-up hole; This pick-up hole runs through said sensor right-hand member shell body; Be connected with said first cavity, said pick-up hole guides to the pressure transducer in said first cavity with said tested object;
A shroud cover that is used to protect said temp probe and pick-up hole, it passes through thread connection on the right-hand member of said sensor right-hand member shell body; Said shroud cover is provided with a plurality of apertures, and said tested object gets into sensor through the aperture on the said shroud cover, contacts with said temp probe and pick-up hole.
Further specify, said travel mechanism exports sealing adaptor, sealing by signal wire and revolves head, adjustment lasso, helical pitch and revolve seat, connecting screw rod, cable connector and constitute; Said sealing is revolved head and is fixedly connected with connecting screw rod, and revolves through screw thread and said adjustment lasso, helical pitch and to be tightly connected; Adjust said adjustment lasso, connecting screw rod gets into the distance of tested pipeline and can mediate as required;
The right-hand member of said connecting screw rod is provided with the internal thread that is complementary with said external thread, and it links together through internal and external threads and said sensor, and the two interface adopts O-ring seal to seal; Said connecting screw rod is a hollow structure, and the lead combination of said sensor is connected to said signal wire output sealing adaptor through the cable connector in this hollow structure, externally sends signal by sealing adaptor then;
Said helical pitch is revolved seat and is connected with the ball valve sealing that diffuses on the natural gas pipe through flange; During work, revolve the said connecting screw rod rotation of head drive, revolve a move left and right along said helical pitch through screw thread through rotating said sealing; The sensor that connects on the said connecting screw rod right-hand member passes the said ball valve that diffuses, and extend in the natural gas pipe and measures.
Further specify, said sensor left end shell body and sensor right-hand member shell body are welded together to form sensor housing through argon arc welding; Said temp probe welds on the right side of said sensor right-hand member shell body through argon arc welding; Said pressure transducer is arranged in first cavity of said sensor left end shell body right-hand member through a sealing plain washer sealing.
Further specify, said lead combination is arranged in the inner passage of said sensor left end shell body through silicone rubber seal.
Further specify, also be provided with a seal plug, the sealing plug is connected on the passway of said sensor left end shell body upper end through argon arc welding seal weld.
Further specify, also comprise the heat insulating mattress that is arranged between said temp probe and said second cavity, described heat insulating mattress material is a polycarbonate.
Compared with prior art, advantage of the present invention is:
1, sensor of the present invention has been simplified the structural manufacturing process of making, and on same position collecting temperature and pressure parameter simultaneously, guaranteed the homogeneity of position, measured point, help carrying out the data fusion and the compensation data of various parameters;
2, the present invention is integrated, and pressure transducer and temperature sensor are one, have reduced purchase cost, and all installable form before and after the Sensor Design one-tenth, and the front and back end screw thread is M28X1.5 all, makes this sensor easy for installation; This Sensor Design volume is suitable with common sensor bulk, has inherited fully that volume is little, in light weight, all steel hermetically-sealed construction characteristics, can work in the corrosive atmosphere, and is easy for installation succinct, has high antivibration and shock resistance; Increase shroud cover, guaranteed the safety of temperature sensor, prevent that larger particles is to the damage of the temp probe of temperature sensor in the gas;
3, sensor of the present invention can be fixed in the travel mechanism through screw thread; Travel mechanism is sent to gaging pressure and temperature in the pipeline through the ball valve that diffuses on the natural gas pipe with sensor; The influence of having avoided surrounding environment that temperature and pressure in the pipeline is measured, measuring accuracy is high.Simultaneously this sensor ball valve that diffuses of combining travel mechanism to use on the pipeline is measured, need be on pipeline extra openings, reduced the measurement cost, also reduced the risk that pipe natural gas leaks simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of natural gas line pressurize test in the prior art.
Fig. 3 is used for the structural representation of natural gas line pressurize test for the present invention.
Among the figure: 1. lead combination, 2. sensor left end shell body, 3. seal plug, 4. sealing plain washer, 5. pressure transducer; 6. temperature sensor, 7. sensor right-hand member shell body, 8. shroud cover, 9. pick-up hole, 10. aperture; 11. external thread, 12. temp probes, head is revolved in 13. sealings, and 14. helical pitches are revolved seat, and 15. diffuse ball valve; 16. cable connector, 17. internal threads, 18. signal wires output sealing adaptor, 19. adjustment lassos, 20. connecting screw rods.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
As shown in Figure 1, a kind of temperature and pressure one body sensor that is used for natural gas line pressurize test comprises:
A pressure transducer 5 that is used to detect tested object pressure;
A temperature sensor 6 that is used to detect said tested object temperature;
A sensor housing is welded through argon arc welding by sensor left end shell body 2 and sensor right-hand member shell body 7;
Said sensor left end shell body 2 is used to place said pressure transducer 5 and makes up 1 by the lead that pressure signal cable and temperature signal cable are formed; Said lead combination 1 is arranged in the passage of said sensor left end shell body 2 inside through silicone rubber seal.Said pressure transducer 5 is arranged in first cavity of said sensor left end shell body 2 right-hand members through a sealing plain washer 4 sealings; The pressure signal cable that connects said pressure transducer 5 and the temperature signal cable that is connected said temperature sensor 6 pass the inner passage of said sensor left end shell body 2, stretch out from the left side of said sensor left end shell body 2, are attached to external meters; Said sensor left end shell body 2 is provided with external thread 11 near the side of left side, and being attached to a travel mechanism through this external thread 11 also can be along with this travel mechanism's move left and right;
Said sensor right-hand member shell body 7 is used to place a said temperature sensor 6 and a temp probe 12; Said temperature sensor 6 is welded in second cavity of said sensor right-hand member shell body 7 left ends through argon arc welding; Said temp probe 12 left ends are connected with said temperature sensor 6, and right-hand member passes from the right side of said sensor right-hand member shell body 7; On the right side of said sensor right-hand member shell body 7, also be provided with a pick-up hole 9; This pick-up hole 9 runs through said sensor right-hand member shell body 7; Be connected with said first cavity, said pick-up hole 9 guides to the pressure transducer 5 in said first cavity with said tested object;
A shroud cover 8 that is used to protect said temp probe 12 and pick-up hole 9, it passes through thread connection on the right-hand member of said sensor right-hand member shell body 7; Said shroud cover 8 is provided with a plurality of apertures 10, and said tested object gets into sensor through the aperture on the said shroud cover 8 10, contacts with pick-up hole 9 with said temp probe 12.
Wherein, also be provided with a seal plug 3, sealing plug 3 is connected on the passway of said sensor left end shell body 2 upper ends through argon arc welding seal weld.
Shown in Figure 3, said travel mechanism by signal wire output sealing adaptor 18, sealing revolve 13, adjustment lasso 19, helical pitch revolve seat 14, connecting screw rod 20, cable connector 16 constitute; Said sealing is revolved 13 and is fixedly connected with connecting screw rod 20, and revolves seat 14 through screw thread and said adjustment lasso 19, helical pitch and be tightly connected; Adjust said adjustment lasso 19, the distance that connecting screw rod 20 gets into tested pipeline can be mediated as required;
The right-hand member of said connecting screw rod 20 is provided with the internal thread 17 that is complementary with said external thread 11, and it links together through internal and external threads and said sensor, and the two interface adopts O-ring seal to seal; Said connecting screw rod 20 is a hollow structure, and the lead combination 1 of said sensor is connected to said signal wire output sealing adaptor 18 through the cable connector in this hollow structure 16, externally sends signal by sealing adaptor then;
Said helical pitch is revolved seat 14 and is tightly connected through the ball valve 15 that diffuses on flange and the natural gas pipe; During work, revolve said connecting screw rod 20 rotations of 13 drive, revolve seat 14 move left and right along said helical pitch through screw thread through rotating said sealing; The sensor that connects on said connecting screw rod 20 right-hand members passes the said ball valve 15 that diffuses, and extend in the natural gas pipe and measures.
More than show and described ultimate principle of the present invention and principal character and advantage thereof.The technological personage of the industry should understand; The present invention does not receive the restriction of above-mentioned implementing regulations; That describes in above-mentioned implementing regulations and the instructions just is used to explain principle of the present invention; Under the prerequisite that does not break away from the principle of the invention and scope, the present invention also can have various changes and modifications, and these variations and improvement all belong in the scope of the invention of requirement protection.
The present invention requires protection domain to define with appending claims and other equivalent.
Claims (7)
1. one kind is used for temperature and pressure one body sensor that the natural gas line pressurize is tested, and comprising:
A pressure transducer (5) that is used to detect tested object pressure;
A temperature sensor (6) that is used to detect said tested object temperature;
A sensor housing is welded by sensor left end shell body (2) and sensor right-hand member shell body (7) sealing;
Said sensor left end shell body (2) is used to place said pressure transducer (5) and makes up (1) by the lead that pressure signal cable and temperature signal cable are formed; Said pressure transducer (5) sealing is arranged in first cavity of said sensor left end shell body (2) right-hand member; The pressure signal cable that connects said pressure transducer (5) passes the inner passage of said sensor left end shell body (2) with the temperature signal cable that is connected said temperature sensor (6); Stretch out from the left side of said sensor left end shell body (2), be attached to external meters; Said sensor left end shell body (2) is provided with external thread (11) near the side of left side, and being attached to a travel mechanism through this external thread (11) also can be along with this travel mechanism's move left and right;
Said sensor right-hand member shell body (7) is used to place a said temperature sensor (6) and a temp probe (12); Said temperature sensor (6) sealing is arranged in second cavity of said sensor right-hand member shell body (7) left end; Said temp probe (12) left end is connected with said temperature sensor (6), and right-hand member passes from the right side of said sensor right-hand member shell body (7); On the right side of said sensor right-hand member shell body (7), also be provided with a pick-up hole (9); This pick-up hole (9) runs through said sensor right-hand member shell body (7); Be connected with said first cavity, said pick-up hole (9) guides to the pressure transducer (5) in said first cavity with said tested object;
A shroud cover (8) that is used to protect said temp probe (12) and pick-up hole (9), it passes through thread connection on the right-hand member of said sensor right-hand member shell body (7); Said shroud cover (8) is provided with a plurality of apertures (10), and said tested object gets into sensor through the aperture (10) on the said shroud cover (8), contacts with said temp probe (12) and pick-up hole (9).
2. temperature and pressure one body sensor that is used for natural gas line pressurize test according to claim 1 is characterized in that:
Said travel mechanism exports sealing adaptor (18), sealing by signal wire and revolves that head (13), adjustment lasso (19), helical pitch revolve seat (14), a connecting screw rod (20), cable connector (16) constitutes; Said sealing is revolved head (13) and is fixedly connected with connecting screw rod (20), and revolves (14) through screw thread and said adjustment lasso (19), helical pitch and be tightly connected; Adjust said adjustment lasso (19), connecting screw rod (20) gets into the distance of tested pipeline and can mediate as required;
The right-hand member of said connecting screw rod (20) is provided with the internal thread (17) that is complementary with said external thread (11), and it links together through internal and external threads and said sensor, and the two interface adopts O-ring seal to seal; Said connecting screw rod (20) is a hollow structure, and the lead combination (1) of said sensor is connected to said signal wire output sealing adaptor (18) through the cable connector in this hollow structure (16), externally sends signal by sealing adaptor then;
Said helical pitch is revolved seat (14) and is tightly connected through the ball valve (15) that diffuses on flange and the natural gas pipe; During work, revolve head (13) and drive said connecting screw rod (20) and rotate, revolve seat (14) move left and right along said helical pitch through screw thread through rotating said sealing; The sensor that connects on said connecting screw rod (20) right-hand member passes the said ball valve (15) that diffuses, and extend in the natural gas pipe and measures.
3. temperature and pressure one body sensor that is used for natural gas line pressurize test according to claim 1 and 2, it is characterized in that: said sensor left end shell body (2) and sensor right-hand member shell body (7) are welded together to form sensor housing through argon arc welding; Said temp probe (12) welds on the right side of said sensor right-hand member shell body (7) through argon arc welding; Said pressure transducer (5) is arranged in first cavity of said sensor left end shell body (2) right-hand member through sealing plain washer (a 4) sealing.
4. temperature and pressure one body sensor that is used for natural gas line pressurize test according to claim 1 and 2 is characterized in that: said lead combination (1) is arranged in the inner passage of said sensor left end shell body (2) through silicone rubber seal.
5. temperature and pressure one body sensor that is used for natural gas line pressurize test according to claim 1 and 2; It is characterized in that: also be provided with a seal plug (3), sealing plug (3) is connected on the passway of said sensor left end shell body (2) upper end through argon arc welding seal weld.
6. temperature and pressure one body sensor that is used for natural gas line pressurize test according to claim 1 and 2 is characterized in that: also comprise the heat insulating mattress that is arranged between said temp probe (12) and said second cavity.
7. temperature and pressure one body sensor that is used for natural gas line pressurize test according to claim 6, it is characterized in that: described heat insulating mattress material is a polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101693319A CN102680007A (en) | 2012-05-27 | 2012-05-27 | Temperature and pressure all-in-one sensor for natural gas pipeline pressure maintaining tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101693319A CN102680007A (en) | 2012-05-27 | 2012-05-27 | Temperature and pressure all-in-one sensor for natural gas pipeline pressure maintaining tests |
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| CN102680007A true CN102680007A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101693319A Pending CN102680007A (en) | 2012-05-27 | 2012-05-27 | Temperature and pressure all-in-one sensor for natural gas pipeline pressure maintaining tests |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756666A (en) * | 2016-05-04 | 2016-07-13 | 中国地质大学（武汉） | Downhole pressure detecting device |
| CN108759934A (en) * | 2018-08-13 | 2018-11-06 | 合肥皖科智能技术有限公司 | A kind of encapsulating structure of temperature and pressure integrative sensor |
| CN113898467A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1673703A (en) * | 2004-03-25 | 2005-09-28 | 株式会社电装 | Pressure sensor having integrated temperature sensor |
| CN1760642A (en) * | 2005-10-28 | 2006-04-19 | 中国船舶重工集团公司第七一一研究所 | Temperature-pressure sensor |
| CN201795289U (en) * | 2010-06-16 | 2011-04-13 | 上海燃气浦东销售有限公司 | Special device for pressure holding test |
| CN202033054U (en) * | 2011-04-21 | 2011-11-09 | 郑州弘毅电子技术有限公司 | Pressure/temperature integrated sensor |
| US8176803B1 (en) * | 2008-07-29 | 2012-05-15 | Orbital Research Inc. | High-temperature sensor interface and network |
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2012
- 2012-05-27 CN CN2012101693319A patent/CN102680007A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673703A (en) * | 2004-03-25 | 2005-09-28 | 株式会社电装 | Pressure sensor having integrated temperature sensor |
| CN1760642A (en) * | 2005-10-28 | 2006-04-19 | 中国船舶重工集团公司第七一一研究所 | Temperature-pressure sensor |
| US8176803B1 (en) * | 2008-07-29 | 2012-05-15 | Orbital Research Inc. | High-temperature sensor interface and network |
| CN201795289U (en) * | 2010-06-16 | 2011-04-13 | 上海燃气浦东销售有限公司 | Special device for pressure holding test |
| CN202033054U (en) * | 2011-04-21 | 2011-11-09 | 郑州弘毅电子技术有限公司 | Pressure/temperature integrated sensor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756666A (en) * | 2016-05-04 | 2016-07-13 | 中国地质大学（武汉） | Downhole pressure detecting device |
| CN108759934A (en) * | 2018-08-13 | 2018-11-06 | 合肥皖科智能技术有限公司 | A kind of encapsulating structure of temperature and pressure integrative sensor |
| CN108759934B (en) * | 2018-08-13 | 2024-05-17 | 合肥皖科智能技术有限公司 | Packaging structure of temperature and pressure integrated sensor |
| CN113898467A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system |
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Application publication date: 20120919 |