CN104359592B - Frozen soil vertical temperature gradient detection sensor - Google Patents
Frozen soil vertical temperature gradient detection sensor Download PDFInfo
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- CN104359592B CN104359592B CN201410672291.9A CN201410672291A CN104359592B CN 104359592 B CN104359592 B CN 104359592B CN 201410672291 A CN201410672291 A CN 201410672291A CN 104359592 B CN104359592 B CN 104359592B
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- temperature sensor
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- frozen soil
- temperature
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 239000002689 soil Substances 0.000 title claims abstract description 25
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 4
- -1 phenolic aldehyde Chemical class 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 230000035800 maturation Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Abstract
The present invention relates to temperature sensor, specially frozen soil vertical temperature gradient detection sensor.Solving the method that the detection of current temperature gradient data there is no maturation, existing method efficiency is low, cost is high, be unfavorable for wide variety of problem.Including housing, rectangular temperature sensor fixed plate is had in housing, temperature sensor fixed plate is embedded with four output bus along its length and some groups along temperature sensor fixed plate length direction temperature sensor lead group that is uniform and that be connected with output bus, multiple PT100 temperature sensor being connected respectively it is fixed with temperature sensor lead group in temperature sensor fixed plate, housing is stretched out in one end of PT100 temperature sensor, and enclosure interior is formed epoxy resin packed layer by epoxy resin insulation material casting.The present invention is by the integrated design to multiple PT100 temperature sensors, it is achieved thermograde detects, and is suitable for carrying out on a large scale at permafrost region, multiple spot, continuous detecting.
Description
Technical field
The present invention relates to temperature sensor, specially frozen soil vertical temperature gradient detection sensor.
Background technology
In the last few years, Frozen Ground Area mankind's activity is more frequent, accurately grasps permafrost active layer and ever-frozen ground forms the basis that rule is solution Frozen Ground Area Practical Project problem, be also improvement of the ecological environment and the requirement of national economy sustainable and stable development.The frost heave of frozen soil, thaw collapse and lifting by frost effect etc. constitute serious threat to railway, Phase of Electric Power Projects and safe operation etc..But it is relative with research deficient about experience.
Weather is one of deciding factor of frozen soil existence and development, and the Main Climatic Factors affecting frozen soil distribution is exactly surface temperature.Due to the temperature on different depth in permafrost, hot-fluid, thermograde difference in time, influence depth is the most different, studies permafrost thermal regime problem,
Thermograde is highly important boundary condition.
But, the detection data of frozen soils temperature gradient are the deficientest.In the research work of the past few decades frozen soil, at most, most common temperature monitoring method is the artificial observation of meteorological station, but meteorological site position is remote, website is rare, and distribution is uniform not, and the thermograde of manual detection frozen soil cannot realize substantially, a set of detection equipment can only detect a PT100 thermal resistance, if detection temperature gradient data, the most corresponding needs is installed the detecting instrument that quantity is some, is caused the high investment of detection equipment, poor efficiency.
At present, the detection of temperature gradient data there is no the method for maturation, and existing method efficiency is low, cost is high, be unfavorable for extensively applying.
Summary of the invention
The present invention solves the method that the detection of current temperature gradient data there is no maturation, and existing method efficiency is low, cost is high, be unfavorable for wide variety of problem, it is provided that a kind of frozen soil vertical temperature gradient detection sensor.Realize thermograde detection, to increase substantially frozen soils temperature gradient and the efficiency of earth's surface air themperature gradient detection, it is achieved multipoint temperature monitoring.
The present invention adopts the following technical scheme that realization: frozen soil vertical temperature gradient detects sensor, including housing, rectangular temperature sensor fixed plate is had in housing, temperature sensor fixed plate is embedded with four output bus along its length and some groups along temperature sensor fixed plate length direction temperature sensor lead group that is uniform and that be connected with output bus, temperature sensor lead group is made up of four wires, four wires of temperature sensor lead group are connected with four output bus the most respectively, and housing drawn by four output bus；The corresponding temperature sensor mounting seat of each temperature sensor lead group, a side end face of temperature sensor mounting seat has screw, and the intrinsic four copper posts of screw interpolation and four copper posts pass from opposite side end face；Temperature sensor mounting seat opposite side end face (end face that four copper posts pass) embeds temperature sensor fixed plate makes four copper posts be connected with four conductive contact in temperature sensor lead group the most respectively；One PT100 temperature sensor assembly is installed in each temperature sensor mounting seat, PT100 temperature sensor assembly is installed sleeve pipe by temperature sensor and PT100 temperature sensor is constituted, temperature sensor is installed sleeve pipe one end and is placed on one end of PT100 temperature sensor, the other end is provided with the external screw thread coordinated with the screw in temperature sensor mounting seat, temperature sensor is installed the external screw thread of sleeve pipe and is screwed into the screw in temperature sensor mounting seat, four copper posts in screw are made to contact connection with four corresponding terminals in PT100 temperature sensor, the other end of PT100 temperature sensor is positioned at outside housing through housing；Enclosure interior is formed epoxy resin packed layer by epoxy resin insulation material casting.During use, the half of this sensor is imbedded underground, second half be wholly embedded into underground (in air) or by sensor on the ground, draw four output bus (positive pole, negative pole and detection line end) outside housing, it is respectively used to Pt100 temperature sensor two-wire system, three-wire system and four-wire system detection, thus obtain the temperature signal that each PT100 temperature sensor gathers respectively, it is achieved the detection of thermograde.
A kind of sensor detecting frozen soil vertical temperature gradient and earth's surface air themperature gradient that the present invention be directed to the permafrost region situation of cold district and the difficult point of Practical Project scene application and design, by the integrated design to multiple PT100 temperature sensors, realize thermograde detection, its novel in structural design, uniqueness, rationally, simple, be suitable for extensively application.Use high accuracy Pt100 temperature sensor, it is adaptable to Pt100 difference connection, be suitable for carrying out on a large scale at permafrost region, multiple spot, continuous detecting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1-housing, 2-temperature sensor fixed plate, 3-output bus, 4-wire, 5-temperature sensor mounting seat, sleeve pipe, 7-PT100 temperature sensor, 8-packed layer are installed in 6-temperature sensor, 9-firm banking, 10-fixed support, 11-support frame, 12-mounting bracket.
Detailed description of the invention
Frozen soil vertical temperature gradient detection sensor, including housing 1, rectangular temperature sensor fixed plate 2 is had in housing, temperature sensor fixed plate 2 is embedded with four output bus 3 along its length and some groups along temperature sensor fixed plate length direction temperature sensor lead group that is uniform and that be connected with output bus, temperature sensor lead group is made up of four wires 4, four wires of temperature sensor lead group are connected with four output bus 3 the most respectively, and housing 1 drawn by four output bus；The corresponding temperature sensor mounting seat 5 of each temperature sensor lead group, a side end face of temperature sensor mounting seat 5 has screw, and the intrinsic four copper posts of screw interpolation and four copper posts pass from opposite side end face；Temperature sensor mounting seat 5 opposite side end face (end face that four copper posts pass) embeds temperature sensor fixed plate 2 makes four copper posts be connected with four conductive contact in temperature sensor lead group the most respectively；One PT100 temperature sensor assembly is installed in each temperature sensor mounting seat 5, PT100 temperature sensor assembly is installed sleeve pipe 6 and PT100 temperature sensor 7 by temperature sensor and is constituted, temperature sensor is installed sleeve pipe 6 one end and is placed on one end of PT100 temperature sensor 7, the other end is provided with the external screw thread coordinated with the screw in temperature sensor mounting seat, temperature sensor is installed the external screw thread of sleeve pipe 6 and is screwed into the screw in temperature sensor mounting seat 5, four copper posts in screw are made to contact connection with four corresponding terminals in PT100 temperature sensor 7, the other end of PT100 temperature sensor 7 is positioned at outside housing through housing 1；Enclosure interior is formed epoxy resin packed layer 8 by epoxy resin insulation material casting.When being embodied as, the bottom of housing is additionally provided with firm banking 9, and firm banking 9 is provided with fixed support 10, and one end of temperature sensor fixed plate 2 is fixed on fixed support 10, and so, temperature sensor fixed plate 2 has more preferable support fixed structure in housing.Housing 1 is square column type, is made up of high polymeric polyvinyl chloride resin and the bracing members skeleton 11 being embedded within, and the housing of this structure has good insulating properties and water proofing property；The middle part of housing 1 side is additionally provided with mounting bracket 12, mounting bracket 12 is fixed on ground with bolt, can realize the location of whole sensor well.Described PT100 temperature sensor is 32.Temperature sensor fixed plate 2 is made up of phenolic aldehyde cotton paper plate.Four output bus 3 are from the Base top contact of housing 1.
Claims (10)
1. a frozen soil vertical temperature gradient detection sensor, it is characterized in that, including housing (1), rectangular temperature sensor fixed plate (2) is had in housing, temperature sensor fixed plate (2) is embedded with four output bus (3) along its length and some groups along temperature sensor fixed plate length direction temperature sensor lead group that is uniform and that be connected with output bus, temperature sensor lead group is made up of four wires (4), four wires of temperature sensor lead group are connected with four output bus (3) the most respectively, housing (1) drawn by four output bus；The corresponding temperature sensor mounting seat (5) of each temperature sensor lead group, a side end face of temperature sensor mounting seat (5) has screw, and the intrinsic four copper posts of screw interpolation and four copper posts pass from opposite side end face；Temperature sensor mounting seat (5) opposite side end face embeds temperature sensor fixed plate (2) makes four copper posts be connected with four conductive contact in temperature sensor lead group the most respectively；One PT100 temperature sensor assembly is installed on each temperature sensor mounting seat (5), PT100 temperature sensor assembly is installed sleeve pipe (6) by temperature sensor and PT100 temperature sensor (7) is constituted, temperature sensor is installed sleeve pipe (6) one end and is placed on one end of PT100 temperature sensor (7), the other end is provided with the external screw thread coordinated with the screw in temperature sensor mounting seat, temperature sensor is installed the external screw thread of sleeve pipe (6) and is screwed into the screw in temperature sensor mounting seat (5), four copper posts in screw are made to contact connection with four corresponding terminals in PT100 temperature sensor (7), the other end of PT100 temperature sensor (7) is positioned at outside housing through housing (1)；Enclosure interior is formed epoxy resin packed layer (8) by epoxy resin insulation material casting.
Frozen soil vertical temperature gradient the most according to claim 1 detection sensor, it is characterized in that, the bottom of housing is additionally provided with firm banking (9), and firm banking (9) is provided with fixed support (10), and one end of temperature sensor fixed plate (2) is fixed on fixed support (10).
Frozen soil vertical temperature gradient the most according to claim 1 and 2 detection sensor, it is characterised in that housing (1) is made up of high polymeric polyvinyl chloride resin and the bracing members skeleton (11) being embedded within.
Frozen soil vertical temperature gradient the most according to claim 1 and 2 detection sensor, it is characterised in that the middle part of housing (1) side is additionally provided with mounting bracket (12).
Frozen soil vertical temperature gradient the most according to claim 3 detection sensor, it is characterised in that the middle part of housing (1) side is additionally provided with mounting bracket (12).
Frozen soil vertical temperature gradient the most according to claim 1 and 2 detection sensor, it is characterised in that temperature sensor fixed plate (2) is made up of phenolic aldehyde cotton paper plate.
Frozen soil vertical temperature gradient the most according to claim 3 detection sensor, it is characterised in that temperature sensor fixed plate (2) is made up of phenolic aldehyde cotton paper plate.
Frozen soil vertical temperature gradient the most according to claim 4 detection sensor, it is characterised in that temperature sensor fixed plate (2) is made up of phenolic aldehyde cotton paper plate.
Frozen soil vertical temperature gradient the most according to claim 1 and 2 detection sensor, it is characterised in that described PT100 temperature sensor is 32.
Frozen soil vertical temperature gradient the most according to claim 1 and 2 detection sensor, it is characterised in that four output bus (3) Base top contact from housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410672291.9A CN104359592B (en) | 2014-11-22 | 2014-11-22 | Frozen soil vertical temperature gradient detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410672291.9A CN104359592B (en) | 2014-11-22 | 2014-11-22 | Frozen soil vertical temperature gradient detection sensor |
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| Publication Number | Publication Date |
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| CN104359592A CN104359592A (en) | 2015-02-18 |
| CN104359592B true CN104359592B (en) | 2016-09-21 |
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| CN201410672291.9A Active CN104359592B (en) | 2014-11-22 | 2014-11-22 | Frozen soil vertical temperature gradient detection sensor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105628242A (en) * | 2015-12-30 | 2016-06-01 | 中国科学院国家天文台南京天文光学技术研究所 | Method for detecting temperature distribution and temperature gradient of object surface and equipment thereof |
| CN111997595A (en) * | 2020-08-06 | 2020-11-27 | 中国科学院广州能源研究所 | Natural gas hydrate geological layering device and method |
| CN112345734B (en) * | 2020-12-05 | 2023-01-17 | 安徽理工大学 | Frozen soil high pressure K capable of considering temperature gradient 0 Consolidation experimental device |
| CN116296856B (en) * | 2023-05-17 | 2023-08-01 | 国网吉林省电力有限公司辽源供电公司 | Frozen soil detection device and method for power transmission and distribution in northern severe cold region |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673270U (en) * | 2010-05-10 | 2010-12-15 | 青海省大气探测技术保障中心 | Ground temperature sensor casing tube bracket |
| CN202033132U (en) * | 2011-04-14 | 2011-11-09 | 吉林农业大学 | Multilayer soil temperature sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07294125A (en) * | 1994-04-26 | 1995-11-10 | Iseki & Co Ltd | Grain temperature detecting device for grain drier |
| JP3535382B2 (en) * | 1998-04-27 | 2004-06-07 | 三洋測器株式会社 | Snow gauge |
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2014
- 2014-11-22 CN CN201410672291.9A patent/CN104359592B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673270U (en) * | 2010-05-10 | 2010-12-15 | 青海省大气探测技术保障中心 | Ground temperature sensor casing tube bracket |
| CN202033132U (en) * | 2011-04-14 | 2011-11-09 | 吉林农业大学 | Multilayer soil temperature sensor |
Non-Patent Citations (1)
| Title |
|---|
| 《数字温度传感器DS18B20在冰情测报系统中的应用》;李霞 等;《太原理工大学学报》;20080131;第39卷(第1期);第33-35页 * |
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| CN104359592A (en) | 2015-02-18 |
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