CN203705072U - Temperature measuring apparatus - Google Patents

Temperature measuring apparatus Download PDF

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Publication number
CN203705072U
CN203705072U CN201420106300.3U CN201420106300U CN203705072U CN 203705072 U CN203705072 U CN 203705072U CN 201420106300 U CN201420106300 U CN 201420106300U CN 203705072 U CN203705072 U CN 203705072U
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CN
China
Prior art keywords
insulation shielding
soft lead
wire
sealed
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420106300.3U
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Chinese (zh)
Inventor
安振源
吴晓龙
陈森森
赵宁宁
田磊
张伟东
师淳
石磊
张婉琳
郭志鹏
王云康
闫文辉
仝茂峰
崔景生
乔中格
马万军
王六虎
梅东升
关天罡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING JINGQIAO THERMAL ELECTRICITY Co Ltd
Original Assignee
BEIJING JINGQIAO THERMAL ELECTRICITY Co Ltd
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Publication date
Application filed by BEIJING JINGQIAO THERMAL ELECTRICITY Co Ltd filed Critical BEIJING JINGQIAO THERMAL ELECTRICITY Co Ltd
Priority to CN201420106300.3U priority Critical patent/CN203705072U/en
Application granted granted Critical
Publication of CN203705072U publication Critical patent/CN203705072U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The embodiments of the utility model provide a temperature measuring apparatus. The apparatus comprises: a temperature measurement element for converting the temperature of an object to be measured into electric signals, an insulation shielding soft lead wire for transmitting the electric signals, a sealing joint sleeking the outer side of the insulation shielding soft lead wire, a meal seal cover which is a hollow cylinder with an opening arranged at one end, and a joint nut, wherein the side wall of the metal seal cover is provided with an internal screw thread, the internal screw thread on the side wall of the metal seal cover is adaptively connected with the external screw thread of the sealing end of the sealing joint, the insulation shielding soft lead wire passes through the opening at the center of the metal seal cover, the join nut is arranged at the juncture of the sealing end and a medium flow-in end, the insulation shielding soft lead wire passes through the opening at the center of the joint nut, and the portion between the bottom surface of the metal seal cover and the joint nut in the inner cavity of the sealing joint is filled up with a sealing material. According to the utility model, the oil leakage problem can be avoided that mediums such as lubricating oil and the like flow out of a bearing seat along the insulation shielding soft lead wire, and accordingly, accidents such as a fire hazard, equipment damage and the like, caused by oil leakage, are prevented.

Description

Temperature measuring equipment
Technical field
The utility model relates to temperature detection technical field, particularly a kind of temperature measuring equipment.
Background technology
At present, thermometry has a lot, during from measurement, sensor, has or not electric signal can be divided into non-electrical measurement and the large class of electrical measurement two; The way of contact of sensor and measurand is different when measuring can be divided into contact and contactless, etc.Along with the progress of technical merit, production measuring accuracy is high, the contact electric weight temperature measuring equipment of stable performance is comparatively common, but, in actual applications, temperature measuring equipment is often because the difference of project organization, installation site, environment and the mounting means of element itself causes different problems.
At present, at gas turbine, steam turbine radially watt, in the temperature survey of thrust bearing shoe valve, generally adopt contact electric weight temperature measuring equipment to measure, as thermal resistance, thermopair etc.In the time of temperature survey, temperature element is arranged on unit to be measured, temperature element is connected with the soft lead-in wire of insulation shielding, the soft lead-in wire of insulation shielding is after Rubber washer sealing, lead to terminal box, through extending cable access scattered control system (Distributed Control System, DCS), carry out temperature display measurement.But, in unit operation, bearing needs a large amount of lubricating oil, cause interface and the soft lead-in wire Long Term Contact of the insulation shielding lubricating oil of temperature element and the soft lead-in wire of insulation shielding, lubricated wet goods medium flows out bearing seat along the soft lead-in wire of insulation shielding and occurs Leakage, if lubricating oil leakage of oil is cleared up not in time, the accidents such as possible breaking out of fire, damage equipment.
Utility model content
The utility model embodiment provides a kind of temperature measuring equipment, has solved and in prior art, has lubricated the technical matters of wet goods medium along the soft lead-in wire outflow of insulation shielding bearing seat.
The utility model embodiment provides a kind of temperature measuring equipment, and this device comprises: temperature element, for the temperature transition of the determinand detecting is become to electric signal; The soft lead-in wire of insulation shielding, is connected with described temperature element, for transmitting described electric signal; Sealing adaptor, described sealing adaptor is socketed in the soft lead-in wire of described insulation shielding outside, sealing joint is the cylinder of hollow, both ends open, comprise that sealed end and medium flow into end, the soft lead-in wire of insulation shielding that described medium flows into end one side is connected with described temperature element, the diameter of described sealed end is greater than described medium and flows into the diameter of holding, and described sealed end is provided with external thread; Metallic sealed cover, described metallic sealed cover is the cylinder of hollow, an end opening, on the sidewall of described metallic sealed cover, be provided with internal thread, the supporting connection of external thread of the internal thread on described metallic sealed cover sidewall and described sealing adaptor sealed end, the soft lead-in wire of described insulation shielding is through the perforate at described metallic sealed cover center; Collar nut, be arranged on the intersection that described sealed end and described medium flow into end, the soft lead-in wire of described insulation shielding is through the perforate at described collar nut center, packing matcrial in the inner chamber of described sealing adaptor, between the bottom surface of described metallic sealed cover and described collar nut.
In one embodiment, also comprise: sealing gasket, tightly be pressed in by the sidewall of described sealed end on the bottom surface of described metallic sealed cover, the soft lead-in wire of described insulation shielding is through the perforate at described sealing gasket center, the aperture in this hole is less than the diameter of the soft lead-in wire of described insulation shielding, and the overall diameter of described sealing gasket equals the interior diameter of described sealing adaptor sealed end.
In one embodiment, the medium of described sealing adaptor flows into end and is provided with external thread, for described sealing adaptor being threaded in to the carrier of described temperature measuring equipment.
In one embodiment; the soft lead-in wire of described insulation shielding comprises the core for transmitting described electric signal; described core is made up of Part I and Part II; Part I is coated with insulation shielding protective casing; Part II is positioned at described sealing adaptor place; Part II is coated with heat-shrinkable T bush, between described heat-shrinkable T bush and described core, is sealed by encapsulant.
In one embodiment, the length of described sealed end sidewall is greater than and the length of described sealed end at the heat-shrinkable T bush of the same side of described collar nut; The length of described medium intake side end wall is greater than and the length of described medium inflow end at the heat-shrinkable T bush of the same side of described collar nut.
In one embodiment, described encapsulant is fluid sealant.
In the utility model embodiment, the soft lead-in wire of insulation shielding being connected with temperature element is for transmission of electric signals, sealing adaptor is socketed in the soft lead-in wire of described insulation shielding outside, metallic sealed cover is hollow, the cylinder of one end opening, the supporting connection of external thread of the internal thread on described metallic sealed cover sidewall and described sealing adaptor sealed end, the soft lead-in wire of described insulation shielding is through the perforate at described metallic sealed cover center, collar nut, be arranged on the intersection that described sealed end and described medium flow into end, the soft lead-in wire of described insulation shielding is through the perforate at described collar nut center, in the inner chamber of described sealing adaptor, packing matcrial between the bottom surface of described metallic sealed cover and described collar nut, pass through sealing adaptor, being used in conjunction with of metallic sealed cover and collar nut, make the lubricated wet goods medium flowing out along the soft lead-in wire of insulation shielding, sealed joint, metallic sealed cover and encapsulant seal, isolation, can not flow out bearing seat along the soft lead-in wire of insulation shielding again, thereby avoid occurring that lubricated wet goods MEDIA FLOW goes out the Leakage of bearing seat, and then avoid the fire because occurring that leakage of oil causes, the accidents such as damage equipment occur.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of temperature measuring equipment of providing of the utility model embodiment;
Fig. 2 is the scheme of installation of a kind of temperature measuring equipment of providing of the utility model embodiment;
Fig. 3 is the concrete scheme of installation of a kind of temperature measuring equipment of providing of the utility model embodiment;
Fig. 4 is the concrete structural representation of the soft lead-in wire of a kind of insulation shielding that provides of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and explanation thereof are used for explaining the utility model, but not as to restriction of the present utility model.
In the utility model embodiment, a kind of temperature measuring equipment is provided, as shown in Figure 1, this device comprises:
Temperature element 1, for becoming electric signal by the temperature transition of the determinand detecting;
The soft lead-in wire 16 of insulation shielding, is connected with described temperature element 1, for transmitting described electric signal;
Sealing adaptor 10, described sealing adaptor 10 is socketed in the soft lead-in wire of described insulation shielding outside, sealing joint is the cylinder of hollow, both ends open, comprise that sealed end and medium flow into end, the soft lead-in wire of insulation shielding that described medium flows into end one side is connected with described temperature element 1, the diameter of described sealed end is greater than described medium and flows into the diameter of holding, and described sealed end is provided with external thread;
Metallic sealed cover 3, described metallic sealed cover 3 is the cylinder of hollow, an end opening, on the sidewall of described metallic sealed cover 3, be provided with internal thread, internal thread on described metallic sealed cover 3 sidewalls and supporting connection of external thread of described sealing adaptor 10 sealed ends, the soft lead-in wire of described insulation shielding is through the perforate at described metallic sealed cover 3 centers, and this aperture is slightly larger than or equals the diameter of the soft lead-in wire of described insulation shielding;
Collar nut 4, be arranged on the intersection that described sealed end and described medium flow into end, the soft lead-in wire of described insulation shielding is through the perforate at described collar nut center, this aperture is slightly less than the diameter of the soft lead-in wire of described insulation shielding, the described encapsulant of the interior filling in region 8 in the inner chamber of described sealing adaptor 10, between bottom surface and the described collar nut 4 of described metallic sealed cover 3.
Known as shown in Figure 1, in the utility model embodiment, the soft lead-in wire of insulation shielding being connected with temperature element is for transmission of electric signals, sealing adaptor is socketed in the soft lead-in wire of described insulation shielding outside, metallic sealed cover is hollow, the cylinder of one end opening, the supporting connection of external thread of the internal thread on described metallic sealed cover sidewall and described sealing adaptor sealed end, the soft lead-in wire of described insulation shielding is through the perforate at described metallic sealed cover center, collar nut, be arranged on the intersection that described sealed end and described medium flow into end, the soft lead-in wire of described insulation shielding is through the perforate at described collar nut center, in the inner chamber of described sealing adaptor, packing matcrial between the bottom surface of described metallic sealed cover and described collar nut, pass through sealing adaptor, being used in conjunction with of metallic sealed cover and collar nut, make the lubricated wet goods medium flowing out along the soft lead-in wire of insulation shielding, sealed joint, metallic sealed cover and encapsulant seal, isolation, can not flow out bearing seat along the soft lead-in wire of insulation shielding again, thereby avoid occurring that lubricated wet goods MEDIA FLOW goes out the Leakage of bearing seat, and then avoid the fire because occurring that leakage of oil causes, the accidents such as damage equipment occur.
In order further to improve sealing, the effect of isolation, in the present embodiment, as shown in Figure 1, also comprise: sealing gasket 6, tightly be pressed in by the sidewall of described sealed end on the bottom surface of described metallic sealed cover 3, the soft lead-in wire of described insulation shielding is through the perforate at described sealing gasket 6 centers, the aperture in this hole is less than the diameter of the soft lead-in wire of described insulation shielding, it is the diameter that aperture is slightly less than the soft lead-in wire of described insulation shielding, the soft lead-in wire of insulation shielding can pass aperture, tightly sealed insulation shields soft lead-in wire, the overall diameter of described sealing gasket 6 equals the interior diameter of described sealing adaptor 10 sealed ends, sealing pad 6 can be hemispheric, hemispheric xsect contacts with the bottom surface of metallic sealed cover 3.
When concrete enforcement, as shown in Figure 2, temperature measuring equipment can be installed like this, temperature element 1 is arranged on radially watts 12 the tile fragment of gas turbine, steam turbine, draw interface 13 places of the soft lead-in wire 16 of insulation shielding of connection temperature element 1 on bearing seat 11 pass, and after sealing gasket sealing, lead to terminal box 14, and the core 9 of the soft lead-in wire 16 of insulation shielding is connected with prolongation cable 15, and access DCS control system through extending cable 15, carry out temperature display measurement.As shown in Figure 3, interface 13 places of drawing on bearing seat 11 are processed with internal thread, the external thread that flows into end setting with the medium of sealing adaptor 10 is used in conjunction with, by described temperature measuring equipment connect, fixed lock draws interface 13 places on bearing seat 11, the carrier of drawing interface 13 places and be described temperature measuring equipment on bearing seat 11.
When concrete enforcement, immerse in the gap between core and insulation shielding protective casing for fear of lubricated wet goods medium, flow out gas turbine along core, bearing seat of steam turbine enters terminal box, in the present embodiment, as Fig. 2, shown in 4, the soft lead-in wire 16 of described insulation shielding comprises the core 9 for transmitting described electric signal, described core 9 is made up of Part I and Part II, Part I is coated with insulation shielding protective casing 2, Part II is positioned at described sealing adaptor 10 places, Part II is coated with heat-shrinkable T bush 7, between described heat-shrinkable T bush 7 and described core 9, sealed by encapsulant, form distance piece 5.By described insulation shielding protective casing is connected to one section of heat-shrinkable T bush, the length of this heat-shrinkable T bush is less than the length of insulation shielding protective casing, the length of this heat-shrinkable T bush generally can be set to 600mm, between described heat-shrinkable T bush and described core, form distance piece by encapsulant sealing, this distance piece is at sealing adaptor place, in avoiding lubricated wet goods medium to flow out bearing seat along the soft lead-in wire of insulation shielding, make to immerse the lubricated wet goods medium in the gap between core and insulation shielding protective casing, in the time flowing to distance piece place along core, sealed material and heat-shrinkable T bush sealing, isolation, can not flow to terminal box along core again, thereby avoid affecting temperature measurement accuracy, reduce and occur that the wire equitemperature that is short-circuited measures fault in terminal box.
When concrete enforcement, for fear of damaging distance piece 5, in the present embodiment, as shown in Figure 1, the length of described sealed end sidewall is greater than and the length of described sealed end at the heat-shrinkable T bush 7 of the same side of described collar nut 4; The length of described medium intake side end wall is greater than and the length of described medium inflow end at the heat-shrinkable T bush 7 of the same side of described collar nut 4.
When concrete enforcement, for above-mentioned lubricated wet goods medium, above-mentioned encapsulant can be fluid sealant, also can be according to different medium, select other encapsulants.
In the utility model embodiment, the soft lead-in wire of insulation shielding being connected with temperature element is for transmission of electric signals, sealing adaptor is socketed in the soft lead-in wire of described insulation shielding outside, metallic sealed cover is hollow, the cylinder of one end opening, the supporting connection of external thread of the internal thread on described metallic sealed cover sidewall and described sealing adaptor sealed end, the soft lead-in wire of described insulation shielding is through the perforate at described metallic sealed cover center, collar nut, be arranged on the intersection that described sealed end and described medium flow into end, the soft lead-in wire of described insulation shielding is through the perforate at described collar nut center, in the inner chamber of described sealing adaptor, packing matcrial between the bottom surface of described metallic sealed cover and described collar nut, pass through sealing adaptor, being used in conjunction with of metallic sealed cover and collar nut, make the lubricated wet goods medium flowing out along the soft lead-in wire of insulation shielding, sealed joint, metallic sealed cover and encapsulant seal, isolation, can not flow out bearing seat along the soft lead-in wire of insulation shielding again, thereby avoid occurring that lubricated wet goods MEDIA FLOW goes out the Leakage of bearing seat, and then avoid the fire because occurring that leakage of oil causes, the accidents such as damage equipment occur.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model embodiment can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (6)

1. a temperature measuring equipment, is characterized in that, comprising:
Temperature element, for becoming electric signal by the temperature transition of the determinand detecting;
The soft lead-in wire of insulation shielding, is connected with described temperature element, for transmitting described electric signal;
Sealing adaptor, described sealing adaptor is socketed in the soft lead-in wire of described insulation shielding outside, sealing joint is the cylinder of hollow, both ends open, comprise that sealed end and medium flow into end, the soft lead-in wire of insulation shielding that described medium flows into end one side is connected with described temperature element, the diameter of described sealed end is greater than described medium and flows into the diameter of holding, and described sealed end is provided with external thread;
Metallic sealed cover, described metallic sealed cover is the cylinder of hollow, an end opening, on the sidewall of described metallic sealed cover, be provided with internal thread, the supporting connection of external thread of the internal thread on described metallic sealed cover sidewall and described sealing adaptor sealed end, the soft lead-in wire of described insulation shielding is through the perforate at described metallic sealed cover center;
Collar nut, be arranged on the intersection that described sealed end and described medium flow into end, the soft lead-in wire of described insulation shielding is through the perforate at described collar nut center, packing matcrial in the inner chamber of described sealing adaptor, between the bottom surface of described metallic sealed cover and described collar nut.
2. temperature measuring equipment as claimed in claim 1, is characterized in that, also comprises:
Sealing gasket, tightly be pressed in by the sidewall of described sealed end on the bottom surface of described metallic sealed cover, the soft lead-in wire of described insulation shielding is through the perforate at described sealing gasket center, the aperture in this hole is less than the diameter of the soft lead-in wire of described insulation shielding, and the overall diameter of described sealing gasket equals the interior diameter of described sealing adaptor sealed end.
3. temperature measuring equipment as claimed in claim 1, is characterized in that, the medium of described sealing adaptor flows into end and is provided with external thread, for described sealing adaptor being threaded in to the carrier of described temperature measuring equipment.
4. temperature measuring equipment as described in any one in claims 1 to 3; it is characterized in that; the soft lead-in wire of described insulation shielding comprises the core for transmitting described electric signal; described core is made up of Part I and Part II; Part I is coated with insulation shielding protective casing; Part II is positioned at described sealing adaptor place, and Part II is coated with heat-shrinkable T bush, between described heat-shrinkable T bush and described core, is sealed by encapsulant.
5. temperature measuring equipment as claimed in claim 4, is characterized in that, the length of described sealed end sidewall is greater than and the length of described sealed end at the heat-shrinkable T bush of the same side of described collar nut; The length of described medium intake side end wall is greater than and the length of described medium inflow end at the heat-shrinkable T bush of the same side of described collar nut.
6. temperature measuring equipment as described in any one in claims 1 to 3, is characterized in that, described encapsulant is fluid sealant.
CN201420106300.3U 2014-03-10 2014-03-10 Temperature measuring apparatus Expired - Lifetime CN203705072U (en)

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Application Number Priority Date Filing Date Title
CN201420106300.3U CN203705072U (en) 2014-03-10 2014-03-10 Temperature measuring apparatus

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Application Number Priority Date Filing Date Title
CN201420106300.3U CN203705072U (en) 2014-03-10 2014-03-10 Temperature measuring apparatus

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CN203705072U true CN203705072U (en) 2014-07-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105987768A (en) * 2015-03-23 2016-10-05 韩华泰科株式会社 Cable installation structure for temperature sensor
CN107676377A (en) * 2017-10-31 2018-02-09 江苏永钢集团有限公司 Self-aligning thrust-journal plain bearing on-line tuning device and its method of adjustment
CN109611159A (en) * 2018-12-12 2019-04-12 沧州华润热电有限公司 Temperature point sealing device, installation method and the bearing housing of bearing housing
CN111256854A (en) * 2020-04-03 2020-06-09 淄博益源工程技术有限公司 Inner leakage prevention structure of multi-point flexible temperature measuring element
CN112636024A (en) * 2020-11-30 2021-04-09 华能山东石岛湾核电有限公司 Thermocouple wiring method for thrust bearing of steam turbine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105987768A (en) * 2015-03-23 2016-10-05 韩华泰科株式会社 Cable installation structure for temperature sensor
CN105987768B (en) * 2015-03-23 2019-10-25 韩华压缩机株式会社 Temperature sensor cable setting structure body
CN107676377A (en) * 2017-10-31 2018-02-09 江苏永钢集团有限公司 Self-aligning thrust-journal plain bearing on-line tuning device and its method of adjustment
CN107676377B (en) * 2017-10-31 2023-06-13 江苏永钢集团有限公司 Online adjusting device and method for self-aligning radial thrust sliding bearing
CN109611159A (en) * 2018-12-12 2019-04-12 沧州华润热电有限公司 Temperature point sealing device, installation method and the bearing housing of bearing housing
CN111256854A (en) * 2020-04-03 2020-06-09 淄博益源工程技术有限公司 Inner leakage prevention structure of multi-point flexible temperature measuring element
CN112636024A (en) * 2020-11-30 2021-04-09 华能山东石岛湾核电有限公司 Thermocouple wiring method for thrust bearing of steam turbine
CN112636024B (en) * 2020-11-30 2022-06-14 华能山东石岛湾核电有限公司 Thermocouple wiring method for thrust bearing of steam turbine

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Granted publication date: 20140709