CN202582760U - Thermoregulator compensation device for large-scale power transformer - Google Patents
Thermoregulator compensation device for large-scale power transformer Download PDFInfo
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- CN202582760U CN202582760U CN 201220171170 CN201220171170U CN202582760U CN 202582760 U CN202582760 U CN 202582760U CN 201220171170 CN201220171170 CN 201220171170 CN 201220171170 U CN201220171170 U CN 201220171170U CN 202582760 U CN202582760 U CN 202582760U
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- power transformer
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Abstract
The utility model discloses a thermoregulator compensation device for a large-scale power transformer and the thermoregulator compensation device comprises a cylindrical body (2) provided with a storage tank (8), a connecting rod (1) arranged at the bottom of the cylindrical body (2), a spring leaf (3) mounted in the innermost of the storage tank (8) of the cylindrical body (2), a regulating nut (4) one end of which is sleeved in the spring leaf (3), a spring (5) connected with the other end of the regulating nut (4) in a rotation manner, a cylindrical body cover (6) capping the storage tank (8) and provided with a hole (9) and a push rod (7) connected with the regulating nut (4) in a screw-threaded manner and passing through the hole (9) of the cylindrical body cover (6). Free length of the spring leaf (3) linearly changes with temperatures. The regulating nut is driven to drive the push rod to shrink or elongate, because free length of the spring leaf linearly changes with temperatures. The purpose of temperature compensation is achieved. The compensation device has the advantages of simple structure and manufacturing process, strong reliability, high temperature compensation precision and qualified rate and low cost.
Description
Technical field
The utility model relates to temperature compensation means, relates in particular to a kind of large-scale power transformer and uses the temperature controller compensation system.
Background technology
As everyone knows, oil-filled transformer, especially large-scale power transformer; Can produce great amount of heat at work; Cause the rising of transformer internal temperature, when temperature is too high, cause Accident of Transformer easily, therefore; Tend to be equipped with one group of temperature measuring equipment, be used to monitor the internal temperature situation of transformer.The temperature measuring equipment that adopts at present all is to stretch into the transformer oil box top through a probe; The working medium that fills in the probe changes because of temperature variation causes internal pressure, reaches corrugated tube through kapillary, causes that corrugated tube produces displacement; Promote machine mandrel and rotate, on index dial, indicate temperature by pointer.Because the kapillary of temperature measuring equipment and the outside that corrugated tube places transformer, its inner working medium that fills can receive the Influence of Temperature of surrounding environment, and causing the pointer temperature indicative is not the real temperature of temperature-sensitive portion, thereby produces measuring error.
Summary of the invention
The technical matters that the utility model will solve is, to the above-mentioned defective of prior art, provides a kind of large-scale power transformer to use the temperature controller compensation system.
The utility model solves the technical scheme that its technical matters adopted:
Provide a kind of large-scale power transformer to use the temperature controller compensation system; Connecting link, the storage tank penetralia that is positioned at cylindrical shell and the drift that comprise the cylindrical shell that is provided with storage tank, is positioned at the cylindrical shell bottom is the spring leaf of linear change, the setting nut that an end is socketed on spring leaf, the spring that is rotatably connected with the setting nut other end, capping storage tank with temperature and is provided with the cylinder cover in hole, and is threaded with setting nut and passes the push rod in the hole of cylinder cover.
Preferably, said spring leaf is spiral drift is linear change with temperature a bi-metal leaf spring.
Preferably, said spring is the adjustable compression spring of rigidity.
The utility model large-scale power transformer with the temperature controller compensation system in, the said setting nut other end screws in compression spring and regulates its rigidity to eliminate the displacement difference that bi-metal leaf spring produces because of foozle.
Implement the technical scheme of the utility model; Has following beneficial effect: in temperature controller environment for use temperature range; The drift of spring leaf is linear change with temperature, promotes setting nut and drives push rod contraction or elongation, thereby reach the purpose of temperature compensation; Simple in structure, manufacturing process is simple, good reliability, temperature compensation precision are high, qualification rate is high, cost is low.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of prior art large-scale power transformer with temperature compensation means;
Fig. 2 is the structural representation of the utility model large-scale power transformer with temperature controller compensation system embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is done further explain below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only is used to explain the utility model, and be not used in qualification the utility model.
The prior art large-scale power transformer is used temperature compensation means embodiment; As shown in Figure 1; Comprise cylindrical shell 23, be located at corrugated tube 21 in the cylindrical shell 23, the cylinder cover 27 of displacement nut 22, the working medium 24 of filling cylindrical shell 23, spring 28, push rod 29, capping cylindrical shell 23, and corrugated tube 21 is welded on soldering on the cylindrical shell 23 connects 26, adopt silver brazing to connect kapillary 25,30 and cylindrical shell 23 are welded together.When variation of ambient temperature, the working medium 24 that fills in the cylindrical shell 23 expands with heat and contract with cold, and causes that corrugated tube 21 produces displacement, is subjected to displacement variation through displacement nut 22 interlock push rods 29, reaches the purpose of temperature compensation.
The shortcoming of this device is that cylindrical shell 23 is many with the airtight cavity volume pad that corrugated tube 21 forms, and corrugated tube 21 adopts soldering to connect with cylindrical shell 23 welding, and kapillary 25,30 and cylindrical shell 23 adopt silver brazing to connect, complex process, and fraction defective is high; Chronic leakage takes place easily in airtight cavity volume, at present, has only through the high temperature ageing time to guarantee there is not special leak test plant, in case in use leak, the temperature compensation means inefficacy, temperature controller indicated value deviation is big; Since crooked easily when corrugated tube 21 welds with cylindrical shell 23, the inconsistent of cavity volume caused, and the compensate for displacement that uniform temp produces down is also different.
The utility model large-scale power transformer is with temperature controller compensation system embodiment; As shown in Figure 2; Large-scale power transformer is used the temperature controller compensation system; Comprise the cylinder cover 6 that cylindrical shell 2, the connecting link 1 that is positioned at cylindrical shell 2 bottoms that is provided with storage tank 8, storage tank 8 penetralias that are positioned at cylindrical shell 2 and drift are the spring leaf 3 of linear change, the setting nut 4 that an end is socketed on spring leaf 3, the spring 5, the capping storage tank 8 that are rotatably connected with setting nut 4 other ends and are provided with hole 9 with temperature, and be threaded with setting nut 4 and pass the push rod 7 in the hole 9 of cylinder cover 6.
Wherein, spring leaf 3 is the bi-metal leaf spring of linear change with temperature for spiral drift; Spring 5 is the adjustable compression spring of rigidity; Setting nut 4 other ends screw in compression spring and regulate its rigidity to eliminate the displacement difference that bi-metal leaf spring produces because of foozle.
When environment temperature rose, the bi-metal leaf spring elongation promoted setting nut 4 and moves forward together with push rod 7, is created in displacement required under this environment temperature; When environment temperature descended, bi-metal leaf spring shrank, and under the effect of compression spring, setting nut 4 drives push rod 7 and moves backward, compensates displacement required under this environment, has guaranteed that the indicated temperature value of temperature controller is accurate.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. a large-scale power transformer is used the temperature controller compensation system; It is characterized in that; Comprise the cylindrical shell (2) that is provided with storage tank (8), be positioned at the cylinder cover (6) that connecting link (1), storage tank (8) penetralia that is positioned at said cylindrical shell (2) and the drift of said cylindrical shell (2) bottom are the spring leaf (3) of linear change, the setting nut (4) that an end is socketed on said spring leaf (3), the spring (5), the said storage tank of capping (8) that are rotatably connected with said setting nut (4) other end and are provided with hole (9) with temperature, and be threaded with said setting nut (4) and pass the push rod (7) in the hole (9) of said cylinder cover (6).
2. use the temperature controller compensation system according to the said large-scale power transformer of claim 1, it is characterized in that, said spring leaf (3) is the bi-metal leaf spring of linear change with temperature for spiral drift.
3. use the temperature controller compensation system according to the said large-scale power transformer of claim 1, it is characterized in that, said spring (5) is the adjustable compression spring of rigidity.
4. use the temperature controller compensation system according to each said large-scale power transformer of claim 1-3; It is characterized in that said setting nut (4) other end screws in said compression spring and regulates its rigidity to eliminate the displacement difference that said bi-metal leaf spring produces because of foozle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171170 CN202582760U (en) | 2012-04-19 | 2012-04-19 | Thermoregulator compensation device for large-scale power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171170 CN202582760U (en) | 2012-04-19 | 2012-04-19 | Thermoregulator compensation device for large-scale power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582760U true CN202582760U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220171170 Expired - Fee Related CN202582760U (en) | 2012-04-19 | 2012-04-19 | Thermoregulator compensation device for large-scale power transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN202582760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376167A (en) * | 2012-04-19 | 2013-10-30 | 深圳市泰士特科技有限公司 | Temperature controller compensation device for large-sized power transformer |
| CN111579029A (en) * | 2020-06-18 | 2020-08-25 | 青海中煤地质工程有限责任公司 | High-precision underground hot water automatic measuring equipment |
-
2012
- 2012-04-19 CN CN 201220171170 patent/CN202582760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376167A (en) * | 2012-04-19 | 2013-10-30 | 深圳市泰士特科技有限公司 | Temperature controller compensation device for large-sized power transformer |
| CN103376167B (en) * | 2012-04-19 | 2015-11-25 | 深圳市泰士特科技股份有限公司 | Large-scale power transformer temperature controller compensation device |
| CN111579029A (en) * | 2020-06-18 | 2020-08-25 | 青海中煤地质工程有限责任公司 | High-precision underground hot water automatic measuring equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130419 |