WO2021237470A1 - Thermocouple sensor with long service life - Google Patents

Thermocouple sensor with long service life Download PDF

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Publication number
WO2021237470A1
WO2021237470A1 PCT/CN2020/092389 CN2020092389W WO2021237470A1 WO 2021237470 A1 WO2021237470 A1 WO 2021237470A1 CN 2020092389 W CN2020092389 W CN 2020092389W WO 2021237470 A1 WO2021237470 A1 WO 2021237470A1
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layer
thermocouple sensor
thermocouple
service life
long service
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Chinese (zh)
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王煜
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    • 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

Definitions

  • the utility model relates to the technical field of thermocouple sensors, in particular to a thermocouple sensor with long service life.
  • thermocouple sensor is the most commonly used contact temperature measuring device in the industry. This is because the thermocouple has the characteristics of stable performance, large temperature measurement range and long-distance signal transmission, and the structure is simple and easy to use.
  • the existing thermocouple sensor There are shortcomings of corrosion resistance and poor insulation effect, which makes the thermocouple sensor easy to damage, thereby reducing the service life of the thermocouple sensor. For this reason, we propose a thermocouple sensor with a long service life.
  • thermocouple sensor with a long service life, which has the advantage of long service life, and solves the disadvantages of the existing thermocouple sensor with poor anti-corrosion and insulation effects, resulting in thermocouples.
  • the sensor is easily damaged, thereby reducing the service life of the thermocouple sensor.
  • thermocouple sensor with long service life comprising a junction box, the right side of the junction box is fixedly connected with a steel pipe, and the inner surface of the steel pipe is covered with a shielding layer , The inner surface of the shielding layer is covered with an insulating layer, the inner surface of the insulating layer is covered with thermocouple wires, the outer surface of the steel pipe is coated with an anti-corrosion layer, and the anti-corrosion layer is made of chlorosulfonated polyethylene Layer and silicon nitride coating.
  • the shielding layer is aluminum alloy powder, and the thickness of the shielding layer is 0.1-0.3 mm.
  • the insulating layer is composed of an insulating sleeve and a water-based polyester coating, and the insulating sleeve is coated on the outer surface of the thermocouple wire, and the water-based polyester coating is coated on the outer surface of the insulating sleeve.
  • thermocouple wire is a nickel-chromium alloy wire
  • a lead port for use with the thermocouple wire is opened at the bottom of the junction box.
  • the chlorosulfonated polyethylene layer is coated on the outer surface of the steel pipe, and the silicon nitride coating is coated on the outer surface of the chlorosulfonated polyethylene layer.
  • thermocouple sensor with long service life, which has the following beneficial effects:
  • the utility model is provided with a shielding layer, and the aluminum alloy powder has good electromagnetic shielding performance, so that the thermocouple sensor will not be electromagnetically interfered during operation.
  • the insulation sleeve and the water-based polyester coating are provided to achieve the insulation effect of the thermocouple sensor Good, to avoid the phenomenon that the thermocouple sensor is easy to conduct electricity when it is working.
  • the paint film is resistant to chalking, gloss and color. Good performance, bright color, and good durability.
  • silicon nitride coating silicon nitride has lubricity, wear resistance and toughness. It resists oxidation at high temperatures, does not react with most acids, and resists corrosion. It has strong performance and solves the shortcomings of the existing thermocouple sensors that the anti-corrosion and insulation effects are poor, which causes the thermocouple sensor to be easily damaged, thereby reducing the service life of the thermocouple sensor.
  • Figure 1 is a schematic diagram of the front view of the utility model
  • Figure 2 is a schematic partial sectional view of the structure of the utility model
  • Figure 3 is a schematic diagram of the cross-sectional structure of the anti-corrosion layer of the present invention.
  • junction box 1 the lead port 2, the steel pipe 3, the shielding layer 4, the insulating layer 5, the thermocouple wire 6, the anti-corrosion layer 7, the chlorosulfonated polyethylene layer 71 and the silicon nitride coating 72 components of the utility model are all universal
  • the structure and principle of standard parts or components known to those skilled in the art can be known by those skilled in the art through technical manuals or through conventional experimental methods.
  • thermocouple sensor with long service life including junction box 1, the right side of junction box 1 is fixedly connected with a steel pipe 3, the inner surface of the steel pipe 3 is covered with a shielding layer 4, the shielding layer 4 is Aluminum alloy powder, the thickness of the shielding layer 4 is 0.1-0.3mm.
  • the aluminum alloy powder has good electromagnetic shielding performance, so that the thermocouple sensor will not be subjected to electromagnetic interference during operation.
  • the insulating layer 5 is composed of an insulating sleeve and a water-based polyester coating, and the insulating sleeve is coated on the outer surface of the thermocouple wire 6, and the water-based polyester coating is coated on the insulating sleeve
  • insulation sleeves and water-based polyester coating are provided to make the thermocouple sensor have a good insulation effect, avoiding the phenomenon of electrical conduction when the thermocouple sensor is working.
  • thermocouple wire 6 is a nickel-chromium alloy wire
  • the bottom of the junction box 1 is provided with a lead port 2 used with the thermocouple wire 6
  • the outer surface of the steel pipe 3 is coated with an anti-corrosion layer 7, and the anti-corrosion layer 7 is chlorosulfonated
  • a polyethylene layer 71 and a silicon nitride coating 72 are composed.
  • the chlorosulfonated polyethylene layer 71 is coated on the outer surface of the steel pipe 3, and the silicon nitride coating 72 is coated on the outer surface of the chlorosulfonated polyethylene layer 71.
  • the chlorosulfonated polyethylene layer 71 is provided, which has excellent weather resistance, aging resistance and chemical atmospheric corrosion resistance, the paint film is resistant to pulverization, good gloss and color retention, bright color, and good durability.
  • silicon nitride Coating 72 silicon nitride has lubricity, wear resistance and toughness, anti-oxidation at high temperatures, does not chemically react with most acids, and has strong corrosion resistance.
  • the aluminum alloy powder has good electromagnetic shielding performance, so that the thermocouple sensor will not be subjected to electromagnetic interference during operation.
  • the thermocouple sensor is The insulation effect is good, which avoids the phenomenon of electrical conduction when the thermocouple sensor is working.
  • the chlorosulfonated polyethylene layer 71 it has excellent weather resistance, aging resistance and chemical atmospheric corrosion resistance, and the paint film is resistant to pulverization and protection. Good light retention, bright color, and good durability.
  • silicon nitride coating 72 silicon nitride has lubricity, wear resistance and toughness.
  • thermocouple sensor It is resistant to oxidation at high temperatures and does not react with most acids. Responsive and strong corrosion resistance, it solves the shortcomings of the existing thermocouple sensors with poor anti-corrosion and insulation effects, causing the thermocouple sensor to be easily damaged, thereby reducing the service life of the thermocouple sensor.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

Disclosed is a thermocouple sensor with a long service life. The thermocouple sensor comprises a junction box (1), wherein a steel tube (3) is fixedly connected to the right side of the junction box (1), the inner surface of the steel tube (3) is covered by a shielding layer (4), the inner surface of the shielding layer (4) is covered by an insulating layer (5), the inner surface of the insulating layer (5) is covered by a thermocouple wire (6), the outer surface of the steel tube (3) is coated with an anti-corrosion layer (7), and the anti-corrosion layer (7) is composed of a chlorosulfonated polyethylene layer (71) and a silicon nitride coating layer (72). By means of providing the insulating layer (5), the insulating effect of the thermocouple sensor is good, and the phenomenon of the thermocouple sensor being prone to conducting electricity during operation is avoided. The chlorosulfonated polyethylene layer (71) has good ageing resistance and chemical atmospheric corrosion resistance, and good durability. The silicon nitride coating layer (72) has the advantages of good lubricity, wear resistance and strong toughness, and does not chemically react with most acids, and by means of providing the silicon nitride coating layer (72), the corrosion resistance can be enhanced.

Description

一种使用寿命长的热电偶传感器A thermocouple sensor with long service life 技术领域Technical field

本实用新型涉及热电偶传感器技术领域，具体为一种使用寿命长的热电偶传感器。The utility model relates to the technical field of thermocouple sensors, in particular to a thermocouple sensor with long service life.

背景技术Background technique

热电偶传感器是工业中使用最为普遍的接触式测温装置，这是因为热电偶具有性能稳定、测温范围大和信号可以远距离传输等特点，并且结构简单、使用方便，现有的热电偶传感器存在防腐蚀与绝缘效果差的缺点，造成热电偶传感器容易损坏，从而降低了热电偶传感器的使用寿命，为此，我们提出一种使用寿命长的热电偶传感器。The thermocouple sensor is the most commonly used contact temperature measuring device in the industry. This is because the thermocouple has the characteristics of stable performance, large temperature measurement range and long-distance signal transmission, and the structure is simple and easy to use. The existing thermocouple sensor There are shortcomings of corrosion resistance and poor insulation effect, which makes the thermocouple sensor easy to damage, thereby reducing the service life of the thermocouple sensor. For this reason, we propose a thermocouple sensor with a long service life.

实用新型内容Utility model content

(一)解决的技术问题(1) Technical problems solved

针对现有技术的不足，本实用新型提供了一种使用寿命长的热电偶传感器，具备使用寿命长的优点，解决了现有的热电偶传感器存在防腐蚀与绝缘效果差的缺点，造成热电偶传感器容易损坏，从而降低了热电偶传感器的使用寿命的问题。Aiming at the shortcomings of the prior art, the utility model provides a thermocouple sensor with a long service life, which has the advantage of long service life, and solves the disadvantages of the existing thermocouple sensor with poor anti-corrosion and insulation effects, resulting in thermocouples. The sensor is easily damaged, thereby reducing the service life of the thermocouple sensor.

(二)技术方案(2) Technical solution

为实现上述目的，本实用新型提供如下技术方案：一种使用寿命长的热电偶传感器，包括接线盒，所述接线盒的右侧固定连接有钢管，所述钢管的内表面包覆有屏蔽层，所述屏蔽层的内表面包覆有绝缘层，所述绝缘层的内表面包覆有热电偶丝，所述钢管的外表面涂设有防腐层，所述防腐层由氯磺化聚乙烯层和氮化硅涂层组成。In order to achieve the above object, the present invention provides the following technical solutions: a thermocouple sensor with long service life, comprising a junction box, the right side of the junction box is fixedly connected with a steel pipe, and the inner surface of the steel pipe is covered with a shielding layer , The inner surface of the shielding layer is covered with an insulating layer, the inner surface of the insulating layer is covered with thermocouple wires, the outer surface of the steel pipe is coated with an anti-corrosion layer, and the anti-corrosion layer is made of chlorosulfonated polyethylene Layer and silicon nitride coating.

优选的，所述屏蔽层为铝合金粉末，所述屏蔽层的厚度为0.1-0.3mm。Preferably, the shielding layer is aluminum alloy powder, and the thickness of the shielding layer is 0.1-0.3 mm.

优选的，所述绝缘层由绝缘套管和水性聚酯涂层组成，且绝缘套管包覆在热电偶丝的外表面，且水性聚酯涂层涂设在绝缘套管的外表面。Preferably, the insulating layer is composed of an insulating sleeve and a water-based polyester coating, and the insulating sleeve is coated on the outer surface of the thermocouple wire, and the water-based polyester coating is coated on the outer surface of the insulating sleeve.

优选的，所述热电偶丝为镍铬合金丝，所述接线盒的底部开设有配合热电偶丝使用的引线口。Preferably, the thermocouple wire is a nickel-chromium alloy wire, and a lead port for use with the thermocouple wire is opened at the bottom of the junction box.

优选的，所述氯磺化聚乙烯层涂设于钢管的外表面，所述氮化硅涂层涂设于氯磺化聚乙烯层的外表面。Preferably, the chlorosulfonated polyethylene layer is coated on the outer surface of the steel pipe, and the silicon nitride coating is coated on the outer surface of the chlorosulfonated polyethylene layer.

(三)有益效果(3) Beneficial effects

与现有技术相比，本实用新型提供了一种使用寿命长的热电偶传感器，具备以下有益效果：Compared with the prior art, the utility model provides a thermocouple sensor with long service life, which has the following beneficial effects:

本实用新型通过设置屏蔽层，铝合金粉末具有良好的电磁屏蔽性能，使得热电偶传感器在工作时不会受到电磁干扰，通过设置绝缘套管和水性聚酯涂层，使得热电偶传感器的绝缘效果好，避免了热电偶传感器在工作时，容易发生导电的现象，通过设置氯磺化聚乙烯层，具有优异的耐候、耐老化和耐化工大气腐蚀性，漆膜抗粉化、保光保色性好，色泽鲜艳，有良好的耐久性，通过设置氮化硅涂层，氮化硅具有润滑性、耐磨损和韧性强，高温时抗氧化，不与大多数酸发生化学反应，抗腐蚀性强，解决了现有的热电偶传感器存在防腐蚀与绝缘效果差的缺点，造成热电偶传感器容易损坏，从而降低了热电偶传感器的使用寿命的问题。The utility model is provided with a shielding layer, and the aluminum alloy powder has good electromagnetic shielding performance, so that the thermocouple sensor will not be electromagnetically interfered during operation. The insulation sleeve and the water-based polyester coating are provided to achieve the insulation effect of the thermocouple sensor Good, to avoid the phenomenon that the thermocouple sensor is easy to conduct electricity when it is working. By setting the chlorosulfonated polyethylene layer, it has excellent weather resistance, aging resistance and chemical atmospheric corrosion resistance. The paint film is resistant to chalking, gloss and color. Good performance, bright color, and good durability. By setting silicon nitride coating, silicon nitride has lubricity, wear resistance and toughness. It resists oxidation at high temperatures, does not react with most acids, and resists corrosion. It has strong performance and solves the shortcomings of the existing thermocouple sensors that the anti-corrosion and insulation effects are poor, which causes the thermocouple sensor to be easily damaged, thereby reducing the service life of the thermocouple sensor.

附图说明Description of the drawings

图1为本实用新型主视结构示意图；Figure 1 is a schematic diagram of the front view of the utility model;

图2为本实用新型局部剖视结构示意图；Figure 2 is a schematic partial sectional view of the structure of the utility model;

图3为本实用新型防腐层剖视结构示意图。Figure 3 is a schematic diagram of the cross-sectional structure of the anti-corrosion layer of the present invention.

图中：1、接线盒；2、引线口；3、钢管；4、屏蔽层；5、绝缘层；6、热电偶丝；7、防腐层；71、氯磺化聚乙烯层；72、氮化硅涂层。In the figure: 1. Junction box; 2. Lead port; 3. Steel pipe; 4. Shielding layer; 5. Insulation layer; 6. Thermocouple wire; 7. Anticorrosive layer; 71. Chlorosulfonated polyethylene layer; 72. Nitrogen Silicone coating.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部 分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

在实用新型的描述中，需要说明的是，术语“上”、“下”、“内”、“外”“前端”、“后端”、“两端”、“一端”、“另一端”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" The orientation or positional relationship of other indications is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation and a specific orientation. The azimuth structure and operation of, therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

在实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“设置有”、“连接”等，应做广义理解，例如“连接”，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection It can also be detachably connected or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present utility model can be understood under specific circumstances.

本实用新型的接线盒1、引线口2、钢管3、屏蔽层4、绝缘层5、热电偶丝6、防腐层7、氯磺化聚乙烯层71和氮化硅涂层72部件均为通用标准件或本领域技术人员知晓的部件，其结构和原理都为本技术人员均可通过技术手册得知或通过常规实验方法获知。The junction box 1, the lead port 2, the steel pipe 3, the shielding layer 4, the insulating layer 5, the thermocouple wire 6, the anti-corrosion layer 7, the chlorosulfonated polyethylene layer 71 and the silicon nitride coating 72 components of the utility model are all universal The structure and principle of standard parts or components known to those skilled in the art can be known by those skilled in the art through technical manuals or through conventional experimental methods.

请参阅图1-3，一种使用寿命长的热电偶传感器，包括接线盒1，接线盒1的右侧固定连接有钢管3，钢管3的内表面包覆有屏蔽层4，屏蔽层4为铝合金粉末，屏蔽层4的厚度为0.1-0.3mm，通过设置屏蔽层4，铝合金粉末具有良好的电磁屏蔽性能，使得热电偶传感器在工作时不会受到电磁干扰，屏蔽层4的内表面包覆有绝缘层5，绝缘层5由绝缘套管和水性聚酯涂层组成，且绝缘套管包覆在热电偶丝6的外表面，且水性聚酯涂层涂设在绝 缘套管的外表面，通过设置绝缘套管和水性聚酯涂层，使得热电偶传感器的绝缘效果好，避免了热电偶传感器在工作时，容易发生导电的现象，绝缘层5的内表面包覆有热电偶丝6，热电偶丝6为镍铬合金丝，接线盒1的底部开设有配合热电偶丝6使用的引线口2，钢管3的外表面涂设有防腐层7，防腐层7由氯磺化聚乙烯层71和氮化硅涂层72组成，氯磺化聚乙烯层71涂设于钢管3的外表面，氮化硅涂层72涂设于氯磺化聚乙烯层71的外表面，通过设置氯磺化聚乙烯层71，具有优异的耐候、耐老化和耐化工大气腐蚀性，漆膜抗粉化、保光保色性好，色泽鲜艳，有良好的耐久性，通过设置氮化硅涂层72，氮化硅具有润滑性、耐磨损和韧性强，高温时抗氧化，不与大多数酸发生化学反应，抗腐蚀性强。Please refer to Figure 1-3, a thermocouple sensor with long service life, including junction box 1, the right side of junction box 1 is fixedly connected with a steel pipe 3, the inner surface of the steel pipe 3 is covered with a shielding layer 4, the shielding layer 4 is Aluminum alloy powder, the thickness of the shielding layer 4 is 0.1-0.3mm. By setting the shielding layer 4, the aluminum alloy powder has good electromagnetic shielding performance, so that the thermocouple sensor will not be subjected to electromagnetic interference during operation. The inner surface of the shielding layer 4 Covered with an insulating layer 5, the insulating layer 5 is composed of an insulating sleeve and a water-based polyester coating, and the insulating sleeve is coated on the outer surface of the thermocouple wire 6, and the water-based polyester coating is coated on the insulating sleeve On the outer surface, insulation sleeves and water-based polyester coating are provided to make the thermocouple sensor have a good insulation effect, avoiding the phenomenon of electrical conduction when the thermocouple sensor is working. The inner surface of the insulating layer 5 is covered with a thermocouple Wire 6, thermocouple wire 6 is a nickel-chromium alloy wire, the bottom of the junction box 1 is provided with a lead port 2 used with the thermocouple wire 6, the outer surface of the steel pipe 3 is coated with an anti-corrosion layer 7, and the anti-corrosion layer 7 is chlorosulfonated A polyethylene layer 71 and a silicon nitride coating 72 are composed. The chlorosulfonated polyethylene layer 71 is coated on the outer surface of the steel pipe 3, and the silicon nitride coating 72 is coated on the outer surface of the chlorosulfonated polyethylene layer 71. The chlorosulfonated polyethylene layer 71 is provided, which has excellent weather resistance, aging resistance and chemical atmospheric corrosion resistance, the paint film is resistant to pulverization, good gloss and color retention, bright color, and good durability. By setting silicon nitride Coating 72, silicon nitride has lubricity, wear resistance and toughness, anti-oxidation at high temperatures, does not chemically react with most acids, and has strong corrosion resistance.

在使用时，通过设置屏蔽层4，铝合金粉末具有良好的电磁屏蔽性能，使得热电偶传感器在工作时不会受到电磁干扰，通过设置绝缘套管和水性聚酯涂层，使得热电偶传感器的绝缘效果好，避免了热电偶传感器在工作时，容易发生导电的现象，通过设置氯磺化聚乙烯层71，具有优异的耐候、耐老化和耐化工大气腐蚀性，漆膜抗粉化、保光保色性好，色泽鲜艳，有良好的耐久性，通过设置氮化硅涂层72，氮化硅具有润滑性、耐磨损和韧性强，高温时抗氧化，不与大多数酸发生化学反应，抗腐蚀性强，解决了现有的热电偶传感器存在防腐蚀与绝缘效果差的缺点，造成热电偶传感器容易损坏，从而降低了热电偶传感器的使用寿命的问题。In use, by setting the shielding layer 4, the aluminum alloy powder has good electromagnetic shielding performance, so that the thermocouple sensor will not be subjected to electromagnetic interference during operation. By setting the insulating sleeve and the water-based polyester coating, the thermocouple sensor is The insulation effect is good, which avoids the phenomenon of electrical conduction when the thermocouple sensor is working. By setting the chlorosulfonated polyethylene layer 71, it has excellent weather resistance, aging resistance and chemical atmospheric corrosion resistance, and the paint film is resistant to pulverization and protection. Good light retention, bright color, and good durability. By setting the silicon nitride coating 72, silicon nitride has lubricity, wear resistance and toughness. It is resistant to oxidation at high temperatures and does not react with most acids. Responsive and strong corrosion resistance, it solves the shortcomings of the existing thermocouple sensors with poor anti-corrosion and insulation effects, causing the thermocouple sensor to be easily damaged, thereby reducing the service life of the thermocouple sensor.

尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it will be understood that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. , Substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

一种使用寿命长的热电偶传感器，包括接线盒(1)，其特征在于：所述接线盒(1)的右侧固定连接有钢管(3)，所述钢管(3)的内表面包覆有屏蔽层(4)，所述屏蔽层(4)的内表面包覆有绝缘层(5)，所述绝缘层(5)的内表面包覆有热电偶丝(6)，所述钢管(3)的外表面涂设有防腐层(7)，所述防腐层(7)由氯磺化聚乙烯层(71)和氮化硅涂层(72)组成。A thermocouple sensor with long service life, comprising a junction box (1), characterized in that: the right side of the junction box (1) is fixedly connected with a steel pipe (3), and the inner surface of the steel pipe (3) is covered with There is a shielding layer (4), the inner surface of the shielding layer (4) is covered with an insulating layer (5), the inner surface of the insulating layer (5) is covered with a thermocouple wire (6), the steel pipe ( The outer surface of 3) is coated with an anti-corrosion layer (7), and the anti-corrosion layer (7) is composed of a chlorosulfonated polyethylene layer (71) and a silicon nitride coating (72). 根据权利要求1所述的一种使用寿命长的热电偶传感器，其特征在于：所述屏蔽层(4)为铝合金粉末，所述屏蔽层(4)的厚度为0.1-0.3mm。The thermocouple sensor with a long service life according to claim 1, wherein the shielding layer (4) is aluminum alloy powder, and the thickness of the shielding layer (4) is 0.1-0.3 mm. 根据权利要求1所述的一种使用寿命长的热电偶传感器，其特征在于：所述绝缘层(5)由绝缘套管和水性聚酯涂层组成，且绝缘套管包覆在热电偶丝(6)的外表面，且水性聚酯涂层涂设在绝缘套管的外表面。The thermocouple sensor with a long service life according to claim 1, characterized in that: the insulating layer (5) is composed of an insulating sleeve and a water-based polyester coating, and the insulating sleeve is coated on the thermocouple wire (6) The outer surface, and the water-based polyester coating is coated on the outer surface of the insulating sleeve. 根据权利要求1所述的一种使用寿命长的热电偶传感器，其特征在于：所述热电偶丝(6)为镍铬合金丝，所述接线盒(1)的底部开设有配合热电偶丝(6)使用的引线口(2)。The thermocouple sensor with a long service life according to claim 1, characterized in that: the thermocouple wire (6) is a nickel-chromium alloy wire, and the bottom of the junction box (1) is provided with a matching thermocouple wire (6) The lead port used (2). 根据权利要求1所述的一种使用寿命长的热电偶传感器，其特征在于：所述氯磺化聚乙烯层(71)涂设于钢管(3)的外表面，所述氮化硅涂层(72)涂设于氯磺化聚乙烯层(71)的外表面。The thermocouple sensor with long service life according to claim 1, characterized in that: the chlorosulfonated polyethylene layer (71) is coated on the outer surface of the steel pipe (3), and the silicon nitride coating (72) Coated on the outer surface of the chlorosulfonated polyethylene layer (71).
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0887632A1 (en) * 1997-06-24 1998-12-30 Isuzu Ceramics Research Institute Co., Ltd. A ceramic thermocouple for measuring temperature of molten metal
US6102565A (en) * 1996-07-12 2000-08-15 Isuzu Ceramics Research Institute Co., Ltd. Ceramic sheath type thermocouple
CN106644130A (en) * 2015-10-30 2017-05-10 天津中电天仪科技有限公司 Novel high-temperature-resistant, corrosion-resistant special-purpose thermal couple
CN207317957U (en) * 2017-09-19 2018-05-04 重庆洋泰科技发展有限公司 The wear-resisting special electric thermo-couple of cement high temperature
CN207763843U (en) * 2018-01-23 2018-08-24 东莞市美鑫自动化科技有限公司 A high temperature resistant and anti-interference thermocouple wire
CN210375458U (en) * 2019-08-16 2020-04-21 天津翔越电仪技术有限公司 Novel protection architecture of thermocouple temperature sensing line

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6102565A (en) * 1996-07-12 2000-08-15 Isuzu Ceramics Research Institute Co., Ltd. Ceramic sheath type thermocouple
EP0887632A1 (en) * 1997-06-24 1998-12-30 Isuzu Ceramics Research Institute Co., Ltd. A ceramic thermocouple for measuring temperature of molten metal
CN106644130A (en) * 2015-10-30 2017-05-10 天津中电天仪科技有限公司 Novel high-temperature-resistant, corrosion-resistant special-purpose thermal couple
CN207317957U (en) * 2017-09-19 2018-05-04 重庆洋泰科技发展有限公司 The wear-resisting special electric thermo-couple of cement high temperature
CN207763843U (en) * 2018-01-23 2018-08-24 东莞市美鑫自动化科技有限公司 A high temperature resistant and anti-interference thermocouple wire
CN210375458U (en) * 2019-08-16 2020-04-21 天津翔越电仪技术有限公司 Novel protection architecture of thermocouple temperature sensing line

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZHANG, ZHONGLUN ET AL.: "10. Chlorosulfonated Polyethylene", A CONCISE HANDBOOK OF RAW MATERIALS AND EQUIPMENT USED IN RUBBER INDUSTRY, 30 November 2016 (2016-11-30), CN, pages 94 - 97, XP009532122, ISBN: 9787568262743 *

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