CN105157861A - Temperature-sensitive indication nut - Google Patents
Temperature-sensitive indication nut Download PDFInfo
- Publication number
- CN105157861A CN105157861A CN201510692057.7A CN201510692057A CN105157861A CN 105157861 A CN105157861 A CN 105157861A CN 201510692057 A CN201510692057 A CN 201510692057A CN 105157861 A CN105157861 A CN 105157861A
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- China
- Prior art keywords
- temperature
- sensing element
- showing rod
- pedestal
- storage tank
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a temperature-sensitive indication nut, comprising a pedestal, a temperature-sensitive element and an induction column. The pedestal is provided with a cylindrical storage slot with an opening in the top. An inner wall of the storage slot is provided with clamp grooves. The induction column is mounted in the storage slot. An outer wall of the induction column is provided with clamp claws cooperated with the clamp grooves. The induction column has a hollow cylindrical structure which is open at the lower end and closed at the top. The induction column is internally provided with the temperature-sensitive element. The temperature-sensitive indication nut is reasonable in design and simple in structure. The temperature-sensitive indication nut is mounted at a position, in need of temperature detection, of power equipment. The shape memory effect of shape memory alloy is utilized to timely monitor the temperature of a power line joint, thereby helping inspection persons to timely find the power line joint, and further grasping change in temperature of the power line joint. Therefore, potential safety hazards of system operation are eliminated, and the normal operation of system equipment is ensured.
Description
Technical field
The present invention relates to field of electrical equipment, particularly relate to a kind of temperature-sensitive instruction nut.
Background technology
Along with defeated, change, controller switching equipment increase, equipment connection position is day by day complicated various, because of factor impacts such as running environment load variations, construction technologies, power equipment connecting portion very easily forms local pyrexia high temperature safe hidden danger, and the length of power equipment One's name is legion, transmission line of electricity, not easily find without professional equipment and waste larger human and material resources to detection connecting portion heating high temperature, once the equipment of generation is because of heating high temperature failure accident, to large area blackout be caused, lose huge.And power equipment One's name is legion, connection is longer, and discovering device share early of how preventing to generate heat is an important process in electrical production and commercial production.
Now conventional prevention method has: the warm wax disk(-sc) method of 1 examination, and the easy self falling of the method, cause self to melt when environment temperature is too high and cause wrong report unreliable, thermometric temperature is too low, and nonrepeatability causes equipment pollution.2 cable splices are coated with colored paint, and at cable splice, place coats colored paint, are then judged the situation of heating by the color change of observation phase colored paint, and when darkening of phase colored paint, coat of paint splits and the own heating of joint is described.But the color of phase colored paint changes not quite sometimes, is easy to cause erroneous judgement, so the Measures compare being coated with colored paint adopts less.3 infrared laser thermometry, expensive, be unfavorable for universal use, thermometric is inaccurate, and itself is measured error, and operative technique is strong, slightly shakes and just has larger error, more passive, need measure, inconvenient Timeliness coverage problem on time.Therefore, there is no simple and effective like this temperature detection at present and warning device is applied in electric system.
Summary of the invention
Goal of the invention: the present invention, for solving the problem, provides a kind of temperature-sensitive instruction nut.
Technical scheme: the invention provides a kind of temperature-sensitive instruction nut, comprise pedestal, temperature-sensing element and showing rod; Described pedestal is provided with open-topped columniform storage tank; Described storage tank inwall is provided with draw-in groove, and described showing rod is installed in described storage tank, and on described showing rod outer wall, be provided with the claw coordinated with described draw-in groove; Described showing rod is the hollow cylindrical structure of lower ending opening top seal, is provided with described temperature-sensing element in described showing rod inside; Described temperature-sensing element is the helicoidal structure that shape memory alloy material is made, and described temperature-sensing element one end contacts with bottom described storage tank, the other end and described showing rod top contact; The elongation deformation along helicoidal structure axis is there is in described temperature-sensing element after being heated and reaching phase transition temperature.
As a preferred embodiment of the present invention, described claw is that resilient material is made.
As a preferred embodiment of the present invention, described showing rod outer wall is provided with coloured coating.
As a preferred embodiment of the present invention, described base bottom is provided with threaded hole.
As a preferred embodiment of the present invention, described pedestal is provided with outer-hexagonal.
As a preferred embodiment of the present invention, described showing rod outer wall is different with pedestal outside surface color.
As a preferred embodiment of the present invention, be provided with guidepost in described storage tank, described temperature-sensing element is sheathed on outside described guidepost.
Technique effect: the invention provides that a kind of cost is low, reliable, structure simply, does not destroy former electrical equipment, can the heavy reusable electrical equipment heating indicator of one-step installation.Pedestal of the present invention is provided with threaded hole, during use, can be screwed in bolt tail, or uses magnet or be adhesive in the place needing monitor temperature.When application the present invention is connected with electrical equipment when device temperature is elevated to product setting value, temperature-sensing element produces deformation, and showing rod upsprings, and exposes colored outer wall.Staff carries out equipment-patrolling according to equipment patrol system at ordinary times, finds that distortion instruction can think that this place once overtemperature occurred, to ascertain the reason, can process in time, reduce the generation of power outage or device damage accident.
Structure of the present invention is simple, and obviously, handling ease, can mass production applications, reuses in instruction; Simultaneously cost-saving, reduce accident rate; And be widely used, all can install and use to resident living from transformer station, transmission line of electricity, controller switching equipment, commercial production.The present invention is convenient to install, and does not destroy original equipment.Utilize the principle of marmem temperature-sensitive generation deformation, can the temperature of Real-Time Monitoring transmission line of electricity contact or electrical equipment, if the temperature monitored exceedes it when presetting phase transformation alarm temperature, then warning showing rod upsprings, and exposes colored outer wall, is convenient to tour personnel Timeliness coverage, thus grasp the change of transmission line of electricity contact temperature, avoid the generation of accident, eliminate the potential safety hazard of system cloud gray model, ensure that the normal operation of system equipment.
Accompanying drawing explanation
Fig. 1 is the cut-open view before deformation of the present invention.
Fig. 2 is the structural representation after deformation of the present invention.
Wherein, 1 is showing rod; 2 is temperature-sensing element; 3 is claw; 4 is pedestal; 5 is threaded hole; 6 is draw-in groove; 7 is showing rod's outer wall; 8 is outer-hexagonal.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further.
Composition graphs 1 to Fig. 2, the present invention discloses a kind of temperature-sensitive instruction nut, comprises pedestal 4, temperature-sensing element 2 and showing rod 1.Bottom described pedestal 4, being provided with threaded hole 5 or outer-hexagonal 8, during use, the present invention can being screwed up with a wrench at the bolt tail needing monitor temperature equipment, also can install by using magnet or other modes such as gluing.Described pedestal 4 is provided with open-topped columniform storage tank; Described storage tank inwall is provided with draw-in groove 6, and described showing rod 1 is installed in described storage tank, and on described showing rod 1 outer wall, be provided with the claw 3 coordinated with described draw-in groove 6, and claw 3 is preferably resilient material and makes; Described showing rod 1 is the hollow cylindrical structure of lower ending opening top seal, is provided with described temperature-sensing element 2 in described showing rod 1 inside; Described temperature-sensing element 2 is made for shape memory alloy material, and turn to helicoidal structure by shape memory alloy wire, described temperature-sensing element 2 one end contacts with bottom described storage tank, the other end and described showing rod 1 top contact; In order to better install temperature-sensing element 2, can be provided with guidepost in described storage tank, described temperature-sensing element 2 is sheathed on outside described guidepost.The elongation deformation along helicoidal structure axis is there is in described temperature-sensing element 2 after being heated and reaching phase transition temperature.At the non-adstante febre of point for measuring temperature, utilize the elastic card claw 3 in showing rod 1 to be buckled in the draw-in groove 6 of pedestal 4, make temperature-sensing element 2 be in compressive state.When monitoring point heating, when temperature reaches the phase transition temperature of temperature-sensing element 2 setting, temperature-sensing element 2 produces larger restoring force, overcome claw 3 elastic force, jack-up showing rod 1, exposes showing rod's outer wall 7, the invisible defect (once having heating accident to produce) that recording unit point place exists.Set after under alarm temperature specific purpose tool can be used to push back reset when device temperature be reduced to temperature-sensing element 2, also can equipment without electric manual reset.
In order to make showing rod 1 more eye-catching, being convenient to tour personnel Timeliness coverage, described showing rod outer wall 7 can being made different with pedestal 4 outside surface color, and coloured coating is set at described showing rod outer wall 7.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. a temperature-sensitive instruction nut, is characterized in that, comprise pedestal, temperature-sensing element and showing rod; Described pedestal is provided with open-topped columniform storage tank; Described storage tank inwall is provided with draw-in groove, and described showing rod is installed in described storage tank, and on described showing rod outer wall, be provided with the claw coordinated with described draw-in groove; Described showing rod is the hollow cylindrical structure of lower ending opening top seal, is provided with described temperature-sensing element in described showing rod inside; Described temperature-sensing element is the helicoidal structure that shape memory alloy material is made, and described temperature-sensing element one end contacts with bottom described storage tank, the other end and described showing rod top contact; The elongation deformation along helicoidal structure axis is there is in described temperature-sensing element after being heated and reaching phase transition temperature.
2. temperature-sensitive instruction nut according to claim 1, it is characterized in that, described claw is that resilient material is made.
3. temperature-sensitive instruction nut according to claim 1, it is characterized in that, described showing rod outer wall is provided with coloured coating.
4. temperature-sensitive instruction nut according to claim 1, it is characterized in that, described base bottom is provided with threaded hole.
5. temperature-sensitive instruction nut according to claim 1, is characterized in that, described pedestal is provided with outer-hexagonal.
6. temperature-sensitive instruction nut according to claim 1, it is characterized in that, described showing rod outer wall is different with pedestal outside surface color.
7. temperature-sensitive instruction nut according to claim 1, it is characterized in that, be provided with guidepost in described storage tank, described temperature-sensing element is sheathed on outside described guidepost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692057.7A CN105157861B (en) | 2015-10-23 | 2015-10-23 | A kind of temperature-sensitive indicates nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692057.7A CN105157861B (en) | 2015-10-23 | 2015-10-23 | A kind of temperature-sensitive indicates nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157861A true CN105157861A (en) | 2015-12-16 |
| CN105157861B CN105157861B (en) | 2018-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692057.7A Active CN105157861B (en) | 2015-10-23 | 2015-10-23 | A kind of temperature-sensitive indicates nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105157861B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197732A (en) * | 2016-07-08 | 2016-12-07 | 南京中格科技发展有限公司 | Electrical conductor conductor joint heating monitor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2080569C1 (en) * | 1994-12-06 | 1997-05-27 | Сергей Алексеевич Гулин | Contact temperature-sensitive element for railway rolling stock |
| CN2629015Y (en) * | 2003-07-19 | 2004-07-28 | 刘敬言 | Heating body monitoring threaded bolt |
| JP2009018652A (en) * | 2007-07-11 | 2009-01-29 | East Japan Railway Co | Trolley wire temperature detection device |
| CN201837470U (en) * | 2010-10-13 | 2011-05-18 | 马新全 | Heating monitoring nut for connecting position of wires |
| CN201837477U (en) * | 2010-10-09 | 2011-05-18 | 陈继文 | Nut for monitoring heating at wire connecting part |
| CN202158910U (en) * | 2011-07-27 | 2012-03-07 | 天津市电力公司 | Contact temperature-sensitive alarm nut |
| CN205642641U (en) * | 2015-10-23 | 2016-10-12 | 苏州国嘉记忆合金有限公司 | Nut is instructed to temperature sensing |
-
2015
- 2015-10-23 CN CN201510692057.7A patent/CN105157861B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2080569C1 (en) * | 1994-12-06 | 1997-05-27 | Сергей Алексеевич Гулин | Contact temperature-sensitive element for railway rolling stock |
| CN2629015Y (en) * | 2003-07-19 | 2004-07-28 | 刘敬言 | Heating body monitoring threaded bolt |
| JP2009018652A (en) * | 2007-07-11 | 2009-01-29 | East Japan Railway Co | Trolley wire temperature detection device |
| CN201837477U (en) * | 2010-10-09 | 2011-05-18 | 陈继文 | Nut for monitoring heating at wire connecting part |
| CN201837470U (en) * | 2010-10-13 | 2011-05-18 | 马新全 | Heating monitoring nut for connecting position of wires |
| CN202158910U (en) * | 2011-07-27 | 2012-03-07 | 天津市电力公司 | Contact temperature-sensitive alarm nut |
| CN205642641U (en) * | 2015-10-23 | 2016-10-12 | 苏州国嘉记忆合金有限公司 | Nut is instructed to temperature sensing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197732A (en) * | 2016-07-08 | 2016-12-07 | 南京中格科技发展有限公司 | Electrical conductor conductor joint heating monitor |
| CN106197732B (en) * | 2016-07-08 | 2019-03-22 | 南京中格科技发展有限公司 | Electrical conductor conductor joint heating monitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105157861B (en) | 2018-07-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Effective date of registration: 20190603 Address after: 730000 No. 14 Yannan Road, Chengguan District, Lanzhou City, Gansu Province Patentee after: Lanzhou Guojia Memory Alloy Co., Ltd. Address before: 215500 No.8 Jindu Road, Changshu High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU GUOJIA MEMORY ALLOY CO., LTD. |