CN111765991A - Pressure type main transformer thermometer indicating and checking device - Google Patents
Pressure type main transformer thermometer indicating and checking device Download PDFInfo
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- CN111765991A CN111765991A CN202010562372.9A CN202010562372A CN111765991A CN 111765991 A CN111765991 A CN 111765991A CN 202010562372 A CN202010562372 A CN 202010562372A CN 111765991 A CN111765991 A CN 111765991A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/002—Calibrated temperature sources, temperature standards therefor
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a pressure type main temperature indicator indicating and checking device, which comprises a fixed shell, wherein a second through hole is formed in the upper part of the fixed shell, an outer shell is arranged on the inner side of the second through hole, an inner shell is arranged on the inner side of the second through hole, the outer side of the upper part of the outer shell is connected with the inner wall of the second through hole, and the outer shell is of a cylindrical shell structure.
Description
Technical Field
The invention relates to an on-site inspection device, in particular to an indicating inspection device for a pressure type main transformer thermometer.
Background
Publication No.: CN203519788U discloses a main temperature relay verifying attachment that finds in using this kind of verifying attachment directly to utilize heating device to heat the heating barrel bottom, cause the temperature of heating barrel inhomogeneous, to the field inspection effect relatively poor.
Disclosure of Invention
The invention aims to provide an indicating and checking device of a pressure type main transformer thermometer, which can utilize a cup-shaped structure with hollow side wall and bottom formed by an inner shell and an outer shell to be combined with a heat exchange tube, an electric heating wire, a pump and an oil tank, and can utilize a cup-shaped structure with hollow side wall and bottom formed by the inner shell and the outer shell, and heat conduction oil in the heat exchange tube, the electric heating wire, the pump and the oil tank to more uniformly heat the inner shell, so that the temperature of the inner shell is more uniform, and the field checking effect is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the indicating and checking device for the pressure type main variable thermometer comprises a fixed shell, wherein a second through hole is formed in the upper portion of the fixed shell, an outer shell is installed on the inner side of the second through hole, the outer side of the upper portion of the outer shell is connected with the inner wall of the second through hole, the outer shell is of a cylindrical shell structure, a first through hole is formed in the upper portion of the outer shell, an inner shell is installed on the inner side of the first through hole, the inner shell is of a cylindrical structure with an open upper portion, the outer side of the upper portion of the inner shell is connected with the inner wall of the first through hole, the inner shell and the outer shell form a cup-shaped structure with a hollow side wall and a hollow bottom, an aluminum oxide support and an oil tank are connected inside the fixed shell, an outlet of the oil tank is communicated with a pump through a guide pipe, an inlet of the pump is matched with the oil tank, an outlet of the pump is, the aluminum oxide support is connected with a plurality of heating wires, the heating wires are located on the side portions of the heat exchange tubes, the heating wires can heat the heat exchange tubes, the other side of the outer shell is communicated with a backflow guide tube, one end of the backflow guide tube is communicated with an oil tank, the outside of the fixed shell is connected with an electronic temperature measuring instrument, the testing end of the electronic temperature measuring instrument is located inside the inner shell, the middle of the backflow guide tube extends to the outside of the fixed shell, the portion, located outside the fixed shell, of the backflow guide tube is connected with a plurality of radiating fins.
In order to further realize the purpose of the invention, the following technical scheme can be adopted: the internally mounted inner wall cleaning device of interior casing, inner wall cleaning device includes the upper cover, and the upper cover can seal the upper shed of interior casing, and the mid-mounting bearing of upper cover, the inner circle grafting fixed axle of bearing is connected with the upper cover to the outer lane of bearing, and the crank is connected to the upper end of fixed axle, and the cotton brush is connected around the lower extreme side of fixed axle, and the fixed axle inserts the inside back of interior casing, and the cotton brush can cooperate with the inner wall of interior casing.
The handle is connected to the outside of fixed casing.
The outside of the fixed shell is connected with a first switch and a second switch, the first switch, the storage battery and the heating wire are connected in series, and the storage battery is connected in series with the first switch and the heating wire and then connected in series with the second switch and the pump.
The invention has the advantages that: according to the invention, the cup-shaped structure with hollow side wall and bottom, which is formed by the inner shell and the outer shell, is combined with the heat exchange tube, the heating wire, the pump and the oil tank, and the heat conduction oil in the cup-shaped structure with hollow side wall and bottom, which is formed by the inner shell and the outer shell, the heat exchange tube, the heating wire, the pump and the oil tank can be used for uniformly heating the inner shell, so that the temperature of the inner shell is more uniform, and the field inspection effect is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a third schematic structural diagram of the present invention.
Labeling components: 1 first through hole 2 inner shell 3 outer shell 4 first main conduct 5 heat exchange tube 6 fixed casing 7 heating wire 8 storage battery 9 return conduit 10 second main conduct 11 alumina support 12 pump 13 second through hole 15 upper cover 16 bearing 17 crank 18 fixed shaft 19 cotton brush 20 handle 21 first switch 22 second switch 23 electronic thermoscope 24 fin.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1:
a pressure type main temperature indicator indicating and checking device is shown in figures 1-3 and comprises a fixed shell 6, wherein a second through hole 14 is formed in the upper portion of the fixed shell 6, an outer shell 3 is installed inside the second through hole 14, the outer side of the upper portion of the outer shell 3 is connected with the inner wall of the second through hole 14, the outer shell 3 is of a cylindrical shell structure, a first through hole 1 is formed in the upper portion of the outer shell 3, an inner shell 2 is installed inside the first through hole 1, the inner shell 2 is of a cylindrical structure with an opening in the upper portion, the outer side of the upper portion of the inner shell 2 is connected with the inner wall of the first through hole 1, the inner shell 2 and the outer shell 3 form a cup-shaped structure with hollow side wall and hollow bottom, an alumina support 11 and an oil tank 13 are connected inside the fixed shell 6, the outlet of the oil tank 13 is communicated with a pump 12 through a guide pipe, the inlet of the pump 12 is, a plurality of heat exchange tubes 5 are arranged between a first main conduit 4 and a second main conduit 10, two ends of each heat exchange tube 5 are respectively communicated with the first main conduit 4 and the second main conduit 10, a plurality of heating wires 7 are connected to an alumina support 11, the heating wires 7 are positioned on the side portions of the heat exchange tubes 5, the heating wires 7 can heat the heat exchange tubes 5, the other side of the outer shell 3 is communicated with a return conduit 9, one end of the return conduit 9 is communicated with an oil tank 13, an external connection electronic temperature measuring instrument 23 of the fixed shell 6 is connected with the outside, and a testing end of the electronic temperature measuring instrument 23 is positioned inside the inner shell.
According to the invention, the inner shell 2 and the outer shell 3 form a cup-shaped structure with hollow side wall and bottom, the heat exchange tube 5, the heating wire 7, the pump 12 and the oil tank 13 are combined, the cup-shaped structure with hollow side wall and bottom, which is formed by the inner shell 2 and the outer shell 3, the heat conduction oil in the heat exchange tube 5, the heating wire 7, the pump 12 and the oil tank 13 can be used for uniformly heating the inner shell 2 by the heat generated by the heating wire 7, so that the temperature of the inner shell 2 can be more uniform, and the field inspection effect can be improved.
Material selection and feasibility analysis of specific implementation of application range: the practical manufactured sample is implemented by taking the specification attached drawing as a drawing according to the proportion and the matching mode of each part in the specification attached drawing, the connection is a common connection mode such as a connection of a strong adhesive, a welding, riveting and a flange connection and an integral forming type connection, and the thickness and the strength of a corresponding connection mode connection point can be selected without creativity according to the requirement of practical connection strength during practical manufacturing. The working principle is as follows: during actual use, the heating wire 7 firstly heats the heat exchange tube 5, the pump 12 pumps oil out of the oil tank 13, and then the oil is conveyed to the second main pipe 10, the second main pipe 10 conveys the oil to the heat exchange tube 5 for heat exchange, the oil after heat exchange reaches the space between the inner shell 2 and the outer shell 3 through the first main pipe 4 to uniformly heat the inner shell 2, and then the oil releasing heat returns to the oil tank 13 through the backflow pipe 9 to realize circulation. A main thermometer temperature probe 25 is arranged inside the inner shell 2.
Example 2:
a pressure type main temperature indicator indicating and checking device is shown in figures 1-3 and comprises a fixed shell 6, wherein a second through hole 14 is formed in the upper portion of the fixed shell 6, an outer shell 3 is installed inside the second through hole 14, the outer side of the upper portion of the outer shell 3 is connected with the inner wall of the second through hole 14, the outer shell 3 is of a cylindrical shell structure, a first through hole 1 is formed in the upper portion of the outer shell 3, an inner shell 2 is installed inside the first through hole 1, the inner shell 2 is of a cylindrical structure with an opening in the upper portion, the outer side of the upper portion of the inner shell 2 is connected with the inner wall of the first through hole 1, the inner shell 2 and the outer shell 3 form a cup-shaped structure with hollow side wall and hollow bottom, an alumina support 11 and an oil tank 13 are connected inside the fixed shell 6, the outlet of the oil tank 13 is communicated with a pump 12 through a guide pipe, the inlet of the pump 12 is, a plurality of heat exchange tubes 5 are arranged between a first main conduit 4 and a second main conduit 10, two ends of each heat exchange tube 5 are respectively communicated with the first main conduit 4 and the second main conduit 10, a plurality of heating wires 7 are connected to an alumina support 11, the heating wires 7 are positioned on the side portions of the heat exchange tubes 5, the heating wires 7 can heat the heat exchange tubes 5, the other side of the outer shell 3 is communicated with a return conduit 9, one end of the return conduit 9 is communicated with an oil tank 13, an external connection electronic temperature measuring instrument 23 of the fixed shell 6 is connected with the outside, and a testing end of the electronic temperature measuring instrument 23 is positioned inside the inner shell. Interior casing 2's internally mounted inner wall cleaning device, inner wall cleaning device includes upper cover 15, and upper cover 15 can seal interior casing 2's upper shed, and upper cover 15's mid-mounting bearing 16, bearing 16's outer lane and upper cover 15 are connected the inner circle grafting fixed axle 18 of bearing 16, and crank 17 is connected to the upper end of fixed axle 18, and cotton brush 19 is connected to the lower extreme side week of fixed axle 18, and fixed axle 18 inserts interior casing 2 inside back, and cotton brush 19 can cooperate with interior casing 2's inner wall.
The inner wall cleaning device can clean the inner wall of the inner shell 2, so that the influence of excessive impurities attached to the inner wall of the inner shell 2 on an experiment is avoided. When the inner wall cleaning device is used specifically, a user can grab the crank 17, the crank 17 drives the fixed shaft 18 and the cotton brush 19 to rotate, so that the cotton brush 19 brushes the inner wall of the inner shell 2, and the inner wall of the inner shell 2 is cleaned.
Example 3:
a pressure type main temperature indicator indicating and checking device is shown in figures 1-3 and comprises a fixed shell 6, wherein a second through hole 14 is formed in the upper portion of the fixed shell 6, an outer shell 3 is installed inside the second through hole 14, the outer side of the upper portion of the outer shell 3 is connected with the inner wall of the second through hole 14, the outer shell 3 is of a cylindrical shell structure, a first through hole 1 is formed in the upper portion of the outer shell 3, an inner shell 2 is installed inside the first through hole 1, the inner shell 2 is of a cylindrical structure with an opening in the upper portion, the outer side of the upper portion of the inner shell 2 is connected with the inner wall of the first through hole 1, the inner shell 2 and the outer shell 3 form a cup-shaped structure with hollow side wall and hollow bottom, an alumina support 11 and an oil tank 13 are connected inside the fixed shell 6, the outlet of the oil tank 13 is communicated with a pump 12 through a guide pipe, the inlet of the pump 12 is, a plurality of heat exchange tubes 5 are arranged between a first main conduit 4 and a second main conduit 10, two ends of each heat exchange tube 5 are respectively communicated with the first main conduit 4 and the second main conduit 10, a plurality of heating wires 7 are connected to an alumina support 11, the heating wires 7 are positioned on the side portions of the heat exchange tubes 5, the heating wires 7 can heat the heat exchange tubes 5, the other side of the outer shell 3 is communicated with a return conduit 9, one end of the return conduit 9 is communicated with an oil tank 13, an external connection electronic temperature measuring instrument 23 of the fixed shell 6 is connected with the outside, and a testing end of the electronic temperature measuring instrument 23 is positioned inside the inner shell. The handle 20 is connected to the outside of the fixed housing 6.
The handle 20 of the present invention facilitates carrying of the device by a user.
Example 4:
a pressure type main temperature indicator indicating and checking device is shown in figures 1-3 and comprises a fixed shell 6, wherein a second through hole 14 is formed in the upper portion of the fixed shell 6, an outer shell 3 is installed inside the second through hole 14, the outer side of the upper portion of the outer shell 3 is connected with the inner wall of the second through hole 14, the outer shell 3 is of a cylindrical shell structure, a first through hole 1 is formed in the upper portion of the outer shell 3, an inner shell 2 is installed inside the first through hole 1, the inner shell 2 is of a cylindrical structure with an opening in the upper portion, the outer side of the upper portion of the inner shell 2 is connected with the inner wall of the first through hole 1, the inner shell 2 and the outer shell 3 form a cup-shaped structure with hollow side wall and hollow bottom, an alumina support 11 and an oil tank 13 are connected inside the fixed shell 6, the outlet of the oil tank 13 is communicated with a pump 12 through a guide pipe, the inlet of the pump 12 is, a plurality of heat exchange tubes 5 are arranged between a first main conduit 4 and a second main conduit 10, two ends of each heat exchange tube 5 are respectively communicated with the first main conduit 4 and the second main conduit 10, a plurality of heating wires 7 are connected to an alumina support 11, the heating wires 7 are positioned on the side portions of the heat exchange tubes 5, the heating wires 7 can heat the heat exchange tubes 5, the other side of the outer shell 3 is communicated with a return conduit 9, one end of the return conduit 9 is communicated with an oil tank 13, an external connection electronic temperature measuring instrument 23 of the fixed shell 6 is connected with the outside, and a testing end of the electronic temperature measuring instrument 23 is positioned inside the inner shell. The outside of the fixed shell 6 is connected with a first switch 21 and a second switch 22, the first switch 21, the storage battery 8 and the heating wire 7 are connected in series, and the storage battery 8 is connected in series with the first switch 21 and the heating wire 7 and then connected in series with the second switch 22 and the pump 12.
The first switch 21 of the present invention may control the heating wire 7 to be turned on and off, and the second switch 22 may control the pump 12 to be turned on and off.
The middle part of the return pipe 9 extends to the outside of the fixed casing 6, the part of the return pipe 9 located outside the fixed casing 6 is connected with a plurality of radiating fins 24, and the radiating fins 24 are provided with radiating fans 26. After the detection is finished, the heating wire 7 can be stopped to heat, the pump 12 is kept on for a period of time, and the heat-conducting oil can be circulated for a period of time by starting the heat-radiating fan 26, so that the pipeline and the heat radiating fins 24 outside the fixed shell 6 are used for heat radiation by the backflow guide pipe 9, the heat-conducting oil is rapidly cooled, and the influence of the temperature raised during the detection on the normal operation of the main transformer is eliminated in time.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.
Claims (4)
1. Pressure type owner becomes thermometer indication inspection device, its characterized in that: comprises a fixed shell (6), a second through hole (14) is arranged on the upper part of the fixed shell (6), an inner shell (2) is arranged on the inner side of the outer shell (3), the upper outer side of the outer shell (3) is connected with the inner wall of the second through hole (14), the outer shell (3) is of a cylindrical shell structure, a first through hole (1) is arranged on the upper part of the outer shell (3), an inner shell (2) is arranged on the inner side of the first through hole (1), the inner shell (2) is of a cylindrical structure with an upper opening, the upper outer side of the inner shell (2) is connected with the inner wall of the first through hole (1), the inner shell (2) and the outer shell (3) form a cup-shaped structure with a hollow side wall and a hollow bottom, an aluminum oxide support (11) and an oil tank (13) are connected inside the fixed shell (6), an outlet of the oil tank (13) is communicated with, an outlet of the pump (12) is communicated with a second main pipe (10), one side of the outer shell (3) is communicated with a first main pipe (4), a plurality of heat exchange pipes (5) are arranged between the first main pipe (4) and the second main pipe (10), two ends of each heat exchange pipe (5) are respectively communicated with the first main pipe (4) and the second main pipe (10), an alumina bracket (11) is connected with a plurality of heating wires (7), the heating wires (7) are positioned on the side parts of the heat exchange pipes (5), the heating wires (7) can heat the heat exchange pipes (5), the other side of the outer shell (3) is communicated with a return pipe (9), one end of the return pipe (9) is communicated with an oil tank (13), the outside of the fixed shell (6) is connected with an electronic temperature measuring instrument (23), the testing end of the electronic temperature measuring instrument (23) is positioned inside the inner shell (2), and the middle part of the return pipe (9) extends to the outside, the part of the reflux duct (9) positioned outside the fixed shell (6) is connected with a plurality of radiating fins (24) on which radiating fans (26) are arranged.
2. The pressure type main transformer temperature gauge indication checking device according to claim 1, wherein: interior mounting inner wall cleaning device of interior casing (2), inner wall cleaning device includes upper cover (15), and upper cover (15) can be sealed the upper shed of interior casing (2), mid-mounting bearing (16) of upper cover (15), and the inner circle grafting fixed axle (18) of bearing (16) are connected with upper cover (15) to the outer lane of bearing (16), and crank (17) are connected to the upper end of fixed axle (18), and cotton brush (19) are connected to the lower extreme side week of fixed axle (18), and inside back of interior casing (2) is inserted in fixed axle (18), and cotton brush (19) can cooperate with the inner wall of interior casing (2).
3. The pressure type main transformer temperature gauge indication checking device according to claim 1, wherein: the outer side of the fixed shell (6) is connected with a handle (20).
4. The pressure type main transformer temperature gauge indication checking device according to claim 1, wherein: the external connection first switch (21) and second switch (22) of fixed casing (6), first switch (21), battery (8) and heating wire (7) are established ties, and battery (8) establish ties with second switch (22), pump (12) after establishing ties with first switch (21), heating wire (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010562372.9A CN111765991A (en) | 2020-06-18 | 2020-06-18 | Pressure type main transformer thermometer indicating and checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010562372.9A CN111765991A (en) | 2020-06-18 | 2020-06-18 | Pressure type main transformer thermometer indicating and checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111765991A true CN111765991A (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010562372.9A Pending CN111765991A (en) | 2020-06-18 | 2020-06-18 | Pressure type main transformer thermometer indicating and checking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111765991A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115205A1 (en) * | 2003-07-09 | 2006-06-01 | Heraeus Electro-Nite International N.V. | Calibration and measurement of temperatures in melts by optical fibers |
| US20100135357A1 (en) * | 2007-05-03 | 2010-06-03 | Renishaw Plc | Temperature sensing apparatus |
| CN201885830U (en) * | 2010-12-07 | 2011-06-29 | 邢台供电公司 | Field checking instrument for transformer thermometer |
| CN102322979A (en) * | 2011-09-14 | 2012-01-18 | 郑州赛奥电子股份有限公司 | Temperature check table |
| CN203519788U (en) * | 2013-09-16 | 2014-04-02 | 国家电网公司 | Main transformer temperature relay verifying device |
| CN103977850A (en) * | 2014-06-11 | 2014-08-13 | 国家海洋标准计量中心 | High-accuracy constant-temperature tank system with temperature change of seawater |
| CN105675172A (en) * | 2016-04-11 | 2016-06-15 | 国网黑龙江省电力有限公司牡丹江供电公司 | Verification device for thermometer of transformer |
| CN205991849U (en) * | 2016-08-31 | 2017-03-01 | 代文章 | New temperature trans calibrator |
-
2020
- 2020-06-18 CN CN202010562372.9A patent/CN111765991A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115205A1 (en) * | 2003-07-09 | 2006-06-01 | Heraeus Electro-Nite International N.V. | Calibration and measurement of temperatures in melts by optical fibers |
| US20100135357A1 (en) * | 2007-05-03 | 2010-06-03 | Renishaw Plc | Temperature sensing apparatus |
| CN201885830U (en) * | 2010-12-07 | 2011-06-29 | 邢台供电公司 | Field checking instrument for transformer thermometer |
| CN102322979A (en) * | 2011-09-14 | 2012-01-18 | 郑州赛奥电子股份有限公司 | Temperature check table |
| CN203519788U (en) * | 2013-09-16 | 2014-04-02 | 国家电网公司 | Main transformer temperature relay verifying device |
| CN103977850A (en) * | 2014-06-11 | 2014-08-13 | 国家海洋标准计量中心 | High-accuracy constant-temperature tank system with temperature change of seawater |
| CN105675172A (en) * | 2016-04-11 | 2016-06-15 | 国网黑龙江省电力有限公司牡丹江供电公司 | Verification device for thermometer of transformer |
| CN205991849U (en) * | 2016-08-31 | 2017-03-01 | 代文章 | New temperature trans calibrator |
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Application publication date: 20201013 |