CN104949766A - Thermometer side-mounting mechanism for oil-immersed power transformer - Google Patents
Thermometer side-mounting mechanism for oil-immersed power transformer Download PDFInfo
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- CN104949766A CN104949766A CN201510429524.7A CN201510429524A CN104949766A CN 104949766 A CN104949766 A CN 104949766A CN 201510429524 A CN201510429524 A CN 201510429524A CN 104949766 A CN104949766 A CN 104949766A
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- thermometer
- temperature meter
- meter base
- oil
- base pipe
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Abstract
The invention provides a thermometer side-mounting mechanism for an oil-immersed power transformer. The thermometer side-mounting mechanism comprises a thermometer, a thermometer seat and a thermometer seat flange; the thermometer seat adopts a hollow pipe structure; a dry-type heat conduction device is arranged at the bottom in the thermometer seat; the thermometer comprises a temperature sensing bulb and a dial fixedly connected with the temperature sensing bulb; the temperature sensing bulb extends into the thermometer seat to be connected with the dry-type heat conduction device in an attaching manner; the thermometer seat flange sleeves the thermometer seat; an inclined angle is formed between the mounting direction of the thermometer seat and the vertical direction of the thermometer seat flange. The thermometer is mounted on the side wall of an oil tank, the inclined mounting angle of the thermometer is changed by different thermometer seat flanges, dry-type heat conduction components are added between the bottom of the temperature sensing bulb of the thermometer and the thermometer seat; the phenomenon that heat conduction oil overflows is avoided when the heat conduction performance is ensured.
Description
Technical field
The present invention relates to a kind of temperature measuring equipment, referring in particular to a kind of take thermometal as the oil-immersed power transformer thermometer side loader structure of temperature-sensing element.
Background technology
Top of oil-tank at right angle setting or side are installed obliquely, and feature is oil-filled as heat-conducting medium in temperature meter base, and shortcoming is that in-site installation personnel are complicated, and oil-filled amount has how many, even not oil-filled; The seal of its two supporting installation is installed not in place, causes oil-filled excessive, rainwater infiltration; Finally cause causing thermometer temperature sensing delayed without heat-conducting medium in temperature meter base, that can not open timely start and stop cooling system protection transformer does use.
Summary of the invention
In order to the problem solving conduction oil neglected loading in conventional temperature meter seat, few dress can cause thermometric deviation, the present invention proposes a kind of oil-immersed power transformer thermometer side loader structure, thermometer is arranged on fuel tank sidewall, thermometer mounting inclination angle degree is changed by different temperatures meter seat flange, dry type heat conducting element is installed additional bottom thermometer thermometer bulb and between temperature meter base, while guarantee heat conductivility, avoid conduction oil spillover.
The technical solution adopted in the present invention is: a kind of oil-immersed power transformer thermometer side loader structure, comprise thermometer, temperature meter base, described temperature meter base comprises temperature meter base pipe and temperature meter base flange, described temperature meter base pipe is hollow tubular structure, temperature meter base pipe inner bottom part is provided with dry type heat-transfer device, the index dial that described thermometer comprises thermometer bulb and is fixedly connected with thermometer bulb, described thermometer bulb stretches in temperature meter base pipe and is fitted and connected with heat-transfer device, temperature meter base pipe outer wall is welded on temperature meter base flange, the installation direction of temperature meter base pipe and the vertical direction of temperature meter base flange form inclination angle obliquely.
Temperature meter base is for installing thermometer, thermometer angle of inclination is changed by different temperatures meter seat flange, to meet different size transformer, the demand of different setting height(from bottom), and when changing angle of inclination to ensure reading according to setting height(from bottom), sight line is vertical with graduation of thermometer dish; Dry type heat-transfer device is for improving thermometer thermal response time; Temperature meter base flange for temperature meter base being fixed on the fuel tank sidewall of transformer, and changes thermometer mounted angle by it.Temperature meter base is fixedly mounted on power transformer tank sidewall by temperature meter base flange welding or screw, thermometer mounting inclination angle degree is changed by different temperatures meter seat flange, to meet different size transformer, the demand of different setting height(from bottom), while facilitating reading, better can measure highest temperature oil place oil reservoir; Thermometer and temperature meter base have identical inclination angle.
As preferably, described thermometer is arranged on temperature meter base by gib screw.The index dial of thermometer and temperature meter base can be connected by screw, and other connected modes such as also can be bolted.
As preferably, described dry type heat-transfer device is the band spring of tower, and the little diametric plane end of described band spring and thermometer bulb are fitted and connected, and big diametral plane end and the temperature meter base pipe bottom interior wall of band spring are fitted and connected.Compress after band spring stress, improve thermometer thermal response time.
Further, between the little diametric plane end of described band spring and thermometer bulb, be with between the big diametral plane end of spring and temperature meter base pipe bottom interior wall and be equipped with heat conduction film.
Preferred as another, described dry type heat-transfer device is W type stage clip, is provided with Elastic buckle bottom described W type stage clip, and Elastic buckle and temperature meter base pipe bottom interior wall are connected and fixed, and stage clip top and thermometer bulb are fitted and connected.The stressed rear compression of stage clip, improves thermometer thermal response time.
Further, heat conduction film is equipped with between described W type stage clip top and thermometer bulb, bottom W type stage clip and between temperature meter base pipe bottom interior wall.
Preferred as another, described dry type heat-transfer device is flexible heat conduction glueballs, and described heat conduction glueballs is fitted and connected with temperature meter base pipe bottom interior wall, temperature meter base two sidewalls, thermometer bulbs respectively.Can be out of shape after heat conduction glueballs pressurized, improve thermometer thermal response time.
Preferred as another, described dry type heat-transfer device is flexible heat-conducting glue post, and described heat-conducting glue post is fitted and connected with temperature meter base pipe bottom interior wall, temperature meter base two sidewalls, thermometer bulbs respectively.Can be out of shape after heat-conducting glue post pressurized, improve thermometer thermal response time.
The invention has the beneficial effects as follows: thermometer is arranged on fuel tank sidewall, thermometer mounting inclination angle degree is changed by different temperatures meter seat flange, to meet different size transformer, the demand of different setting height(from bottom) is to ensure that measured point is the maximum temperature point of temperature of oil in transformer; When changing angle of inclination to ensure reading according to setting height(from bottom), sight line is vertical with graduation of thermometer dish; Bottom thermometer thermometer bulb and between temperature meter base, install dry type heat conducting element additional, while guarantee heat conductivility, avoid because of the fault caused by conduction oil improper use.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the structural representation of temperature meter base inside in the embodiment of the present invention 1;
Fig. 3 is the structural representation of temperature meter base inside in the embodiment of the present invention 2;
Fig. 4 is the structural representation of temperature meter base inside in the embodiment of the present invention 3;
Fig. 5 is the structural representation of temperature meter base inside in the embodiment of the present invention 4.
In figure, 1-dry type heat-transfer device, 2-temperature meter base, 3-fuel tank sidewall, 4-temperature meter base flange, 5-gib screw, 6-thermometer bulb, 7-index dial, 8-is with spring, 9-stage clip, 10-heat conduction glueballs, 11-heat-conducting glue post, 12-heat conduction film.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of oil-immersed power transformer thermometer side loader structure, comprise thermometer, temperature meter base 2 and temperature meter base flange 4, temperature meter base is hollow tubular structure, temperature meter base inner bottom part is provided with dry type heat-transfer device 1, the index dial 7 that thermometer comprises thermometer bulb 6 and is fixedly connected with thermometer bulb, thermometer bulb stretches in temperature meter base and is fitted and connected with heat-transfer device, the index dial of thermometer is arranged on temperature meter base by gib screw 5, temperature meter base outer wall is socketed on temperature meter base flange, temperature meter base flange is arranged on the fuel tank sidewall 3 of transformer, the installation direction of temperature meter base and the vertical direction of temperature meter base flange form inclination angle.
Wherein, dry type heat-transfer device is the band spring 8 of tower, and little diametric plane end and the thermometer bulb of band spring are fitted and connected by heat conduction film 12, and big diametral plane end and the temperature meter base pipe bottom interior wall of band spring are fitted and connected by heat conduction film, as shown in Figure 2.The heat-conducting piece good springiness of the present embodiment, the life-span is long, strong to the temperature meter base of different length and thermometer bulb applicability, compatibility.
The principle of work of bimetallic element thermometric: bimetallic element is formed by the upper and lower pressing of the material of two kinds of different heat expansion coefficients, while the bimetallic element experiencing temperature variation hour indicator curl produces rotation, diameter and length direction also slightly change, therefore to touch without wiping for ensureing that in measurement range bimetallic element normally works, bimetallic system cell is fixed on lower stopper by element one end, other end connection for transmission axle exports and rotates variable, pointer temperature; In addition the other parts of bimetallic element are all in vacant state; Therefore bimetallic system cell mainly by lower stopper temperature-sensitive, be passed to element.Therefore bimetallic system cell during stopper heat conductivility, adopts dry type temperature meter base substantially not affect the response speed of thermometer under ensureing.Under the condition ensureing bottom heat conduction, bimetallic system cell adopts sidewall dry type temperature meter base to install, and oil-filledly need not wait heat-conducting medium.
During use, temperature meter base is fixedly mounted on power transformer tank sidewall by temperature meter base flange welding or screw, thermometer mounting inclination angle degree is changed by different temperatures meter seat flange, to meet different size transformer, the demand of different setting height(from bottom), while facilitating reading, better can measure highest temperature oil place oil reservoir.
Embodiment 2
In embodiment 2, dry type heat-transfer device is the stage clip 9 in W type, is provided with Elastic buckle 13 bottom stage clip, Elastic buckle is connected with temperature meter base pipe bottom interior wall buckle, stage clip top and thermometer bulb are fitted and connected by heat conduction film, and as shown in Figure 3, other and embodiment are wherein identical.The stressed rear compression of stage clip, improves thermometer thermal response time.The elasticity of the present embodiment heat-conducting piece is slightly poor, but the life-span is long, and have certain applicability and compatibility to the temperature meter base of different length and thermometer bulb, structure is comparatively simple.
Embodiment 3
In embodiment 3, dry type heat-transfer device is flexible heat conduction glueballs 10, and heat conduction glueballs is fitted and connected with temperature meter base pipe bottom interior wall, temperature meter base two sidewalls, thermometer bulbs respectively, and as shown in Figure 4, other are identical with in embodiment 1.Can be out of shape after heat conduction glueballs pressurized, improve thermometer thermal response time.The present embodiment structure is simple, is convenient to dismounting.
Embodiment 4
In embodiment 4, dry type heat-transfer device is flexible heat-conducting glue post 11, and heat conduction glueballs is fitted and connected with temperature meter base pipe bottom interior wall, temperature meter base two sidewalls, thermometer bulbs respectively, and as shown in Figure 5, other are identical with in embodiment 1.Can be out of shape after heat conduction glueballs pressurized, improve thermometer thermal response time.The present embodiment structure is simple, is convenient to dismounting.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within protection scope of the present invention.
Claims (8)
1. an oil-immersed power transformer thermometer side loader structure, it is characterized in that: comprise thermometer, temperature meter base, described temperature meter base comprises temperature meter base pipe and temperature meter base flange, described temperature meter base pipe is hollow tubular structure, temperature meter base pipe inner bottom part is provided with dry type heat-transfer device, the index dial that described thermometer comprises thermometer bulb and is fixedly connected with thermometer bulb, described thermometer bulb stretches in temperature meter base pipe and is fitted and connected with heat-transfer device, temperature meter base pipe outer wall is welded on temperature meter base flange, the installation direction of temperature meter base pipe and the vertical direction of temperature meter base flange form inclination angle obliquely.
2. oil-immersed power transformer thermometer side loader structure according to claim 1, is characterized in that: described thermometer is arranged on temperature meter base by gib screw.
3. oil-immersed power transformer thermometer side loader structure according to claim 1, it is characterized in that: described dry type heat-transfer device is the band spring of tower, the little diametric plane end of described band spring and thermometer bulb are fitted and connected, and big diametral plane end and the temperature meter base pipe bottom interior wall of band spring are fitted and connected.
4. oil-immersed power transformer thermometer side loader structure according to claim 3, is characterized in that: between the little diametric plane end of described band spring and thermometer bulb, be with between the big diametral plane end of spring and temperature meter base pipe bottom interior wall and be equipped with heat conduction film.
5. oil-immersed power transformer thermometer side loader structure according to claim 1, it is characterized in that: described dry type heat-transfer device is W type stage clip, Elastic buckle is provided with bottom described W type stage clip, Elastic buckle and temperature meter base pipe bottom interior wall are connected and fixed, and stage clip top and thermometer bulb are fitted and connected.
6. oil-immersed power transformer thermometer side loader structure according to claim 5, is characterized in that: be equipped with heat conduction film between described W type stage clip top and thermometer bulb, bottom W type stage clip and between temperature meter base pipe bottom interior wall.
7. oil-immersed power transformer thermometer side loader structure according to claim 1, it is characterized in that: described dry type heat-transfer device is flexible heat conduction glueballs, and described heat conduction glueballs is fitted and connected with temperature meter base pipe bottom interior wall, temperature meter base pipe sidewall, thermometer bulb respectively.
8. oil-immersed power transformer thermometer side loader structure according to claim 1, it is characterized in that: described dry type heat-transfer device is flexible heat-conducting glue post, and described heat-conducting glue post is fitted and connected with temperature meter base pipe bottom interior wall, temperature meter base pipe sidewall, thermometer bulb respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429524.7A CN104949766A (en) | 2015-07-21 | 2015-07-21 | Thermometer side-mounting mechanism for oil-immersed power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510429524.7A CN104949766A (en) | 2015-07-21 | 2015-07-21 | Thermometer side-mounting mechanism for oil-immersed power transformer |
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| Publication Number | Publication Date |
|---|---|
| CN104949766A true CN104949766A (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510429524.7A Pending CN104949766A (en) | 2015-07-21 | 2015-07-21 | Thermometer side-mounting mechanism for oil-immersed power transformer |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB212182A (en) * | 1923-07-05 | 1924-03-06 | Packard Electric Co Ltd | Improvements in or relating to temperature indicating devices |
| CN2354119Y (en) * | 1998-11-20 | 1999-12-15 | 天津欧迪仪表有限公司 | Telescopic jointed double-metal thermometer |
| CN2557937Y (en) * | 2002-08-20 | 2003-06-25 | 慈溪市三新汽车零部件有限公司 | Temp. alarm sensor assembly |
| CN202075056U (en) * | 2011-05-18 | 2011-12-14 | 天津市中环温度仪表有限公司 | Stable reinforced sealing type multipoint thermocouple |
| CN202083480U (en) * | 2011-04-28 | 2011-12-21 | 上海市电力公司 | Capacitor temperature detecting apparatus |
| CN202974465U (en) * | 2012-12-24 | 2013-06-05 | 保定天威保变电气股份有限公司 | Installation structure of middle part oil temperature resistance thermometer for transformer oil measuring tank |
| CN203519181U (en) * | 2013-09-12 | 2014-04-02 | 吉林恒联精密铸造科技有限公司 | Universal mounting pedestal used for thermocouple |
| CN203772435U (en) * | 2014-04-08 | 2014-08-13 | 北京合纵实科电力科技有限公司 | Thermometer applied to amorphous alloy transformer |
| CN204758144U (en) * | 2015-07-21 | 2015-11-11 | 华军 | Installation of thermometer side constructs for oil immersible power transformer |
-
2015
- 2015-07-21 CN CN201510429524.7A patent/CN104949766A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB212182A (en) * | 1923-07-05 | 1924-03-06 | Packard Electric Co Ltd | Improvements in or relating to temperature indicating devices |
| CN2354119Y (en) * | 1998-11-20 | 1999-12-15 | 天津欧迪仪表有限公司 | Telescopic jointed double-metal thermometer |
| CN2557937Y (en) * | 2002-08-20 | 2003-06-25 | 慈溪市三新汽车零部件有限公司 | Temp. alarm sensor assembly |
| CN202083480U (en) * | 2011-04-28 | 2011-12-21 | 上海市电力公司 | Capacitor temperature detecting apparatus |
| CN202075056U (en) * | 2011-05-18 | 2011-12-14 | 天津市中环温度仪表有限公司 | Stable reinforced sealing type multipoint thermocouple |
| CN202974465U (en) * | 2012-12-24 | 2013-06-05 | 保定天威保变电气股份有限公司 | Installation structure of middle part oil temperature resistance thermometer for transformer oil measuring tank |
| CN203519181U (en) * | 2013-09-12 | 2014-04-02 | 吉林恒联精密铸造科技有限公司 | Universal mounting pedestal used for thermocouple |
| CN203772435U (en) * | 2014-04-08 | 2014-08-13 | 北京合纵实科电力科技有限公司 | Thermometer applied to amorphous alloy transformer |
| CN204758144U (en) * | 2015-07-21 | 2015-11-11 | 华军 | Installation of thermometer side constructs for oil immersible power transformer |
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Application publication date: 20150930 |
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