CN203118709U - Transformer temperature measuring resistor device - Google Patents
Transformer temperature measuring resistor device Download PDFInfo
- Publication number
- CN203118709U CN203118709U CN 201320015687 CN201320015687U CN203118709U CN 203118709 U CN203118709 U CN 203118709U CN 201320015687 CN201320015687 CN 201320015687 CN 201320015687 U CN201320015687 U CN 201320015687U CN 203118709 U CN203118709 U CN 203118709U
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- temperature detecting
- detecting resistance
- transformer
- rubber seal
- hole
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- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 72
- 238000003466 welding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a transformer temperature measuring resistor device. The transformer temperature measuring resistor device comprises a transformer outer shell, a temperature measuring resistor, a first rubber sealing ring, a second rubber sealing ring and a protective cover, wherein the protective cover comprises an outer shell and a mounting sheet which is connected on the outer shell, the mounting sheet is located on the edge of the bottom of the outer shell and located in the middle portion of the outer shell in the front-and-back direction, and a mounting through hole is formed in the middle of the mounting sheet. The transformer outer shell is provided with a temperature measuring resistor mounting pole, the first rubber sealing ring is arranged on the upper portion of the temperature measuring resistor mounting pole in a padded mode, the protective cover is arranged on the upper portion of the first rubber sealing ring in a padded mode through the mounting sheet, the second rubber sealing ring is arranged on the upper portion of the mounting sheet in a padded mode, the temperature measuring resistor stretches into the transformer outer shell after penetrating through the second rubber sealing ring, the mounting through hole of the mounting sheet and the first rubber sealing ring from top to bottom, and the temperature measuring resistor is connected with the temperature measuring resistor mounting pole in a threaded mode and is fixed on the transformer outer shell. The protective cover is capable of preventing the rubber sealing rings from being exposed to the sun and rain, and therefore the service life of the transformer temperature measuring resistor device is prolonged.
Description
Technical field
The utility model relates to a kind of for the temperature detecting resistance device on the transformer, particularly the temperature detecting resistance device of 110kV and above transformer.
Background technology
On 110kV and above transformer, one or many temperature detecting resistances generally all are housed, this temperature detecting resistance is monitored in real time to the oily temperature of transformer.During in the undesired rising of temperature of oil in transformer and above set point, the transformer measure and control device can send alarm signal.The normal oil temperature of transformer is very important to the operation of transformer, and the warm undesired rising of oil can influence the operate as normal of transformer.
See Fig. 3, temperature detecting resistance 4 on the existing transformer is in the transformer oil 6 of the thermometric box 32 that stretches into transformer of the resistor rod 43 by temperature detecting resistance 4, and the threaded portion spinning of the hex bolts 42 of temperature detecting resistance 4 by being arranged on its middle and upper part is installed in the stake 31 at the temperature detecting resistance that is provided with internal thread on the transformer case 3 of transformer.Between the upper surface that head lower surface and the temperature detecting resistance of hex bolts 42 are installed stake 31, be provided with first rubber seal 51.Described first rubber seal, 51 long term exposure in air, easy aged deterioration after exposing to the sun and rain.And behind the rubber seal aged deterioration, therefore rainwater will enter in the temperature detecting resistance mounting groove, and the transformer oil in the temperature detecting resistance mounting groove will ooze out.After flowing into water in the thermometric box 32, the temperature detecting resistance in it will get rusty gradually and damage and cisco unity malfunction, therefore causes the useful life of temperature detecting resistance shorter, only is two to three years.And temperature detecting resistance damages the temperature that the back just can not be monitored transformer oil in real time.Because it is charged during the transformer operation, and safe distance is less between the charged position of the installation site of temperature detecting resistance and transformer, so can't change temperature detecting resistance at any time, namely when moving, transformer can not change temperature detecting resistance, must after quitting work, transformer could change temperature detecting resistance.Like this at transformer before replacing temperature detecting resistance out of service, just can't carry out real time temperature monitoring to transformer oil, greatly reduce the safe operation coefficient of transformer.
The utility model content
The technical problems to be solved in the utility model provides long transformer temperature detecting resistance device in a kind of useful life.
The technical scheme that realizes the utility model purpose provides a kind of transformer temperature detecting resistance device, comprises transformer case, temperature detecting resistance and first rubber seal.Transformer case is provided with housing main body, temperature detecting resistance is installed stake and thermometric box.The housing main body of transformer case is provided with the temperature-measuring port that the opening of a circle makes progress, and temperature detecting resistance is installed stake and is the cylindrical shape that connects up and down, and the center through hole that temperature detecting resistance is installed stake is inner bolt hole.Temperature detecting resistance is installed pile weatherstrip and is fixedly connected on the temperature-measuring port place of the housing main body of transformer case, and is positioned at that housing main body is outer, the top of the temperature-measuring port of housing main body.The thermometric box is the cylindrical shape that opening makes progress, and the thermometric box is sealedly and fixedly connected at the temperature-measuring port place of the housing main body of transformer case, and is positioned at housing main body, and is positioned at the below of the temperature-measuring port of housing main body.Center through hole, the temperature-measuring port of housing main body and the inner chamber of thermometric box that temperature detecting resistance is installed stake connect mutually.There is transformer oil in the thermometric box.Temperature detecting resistance comprises binding post, be connected the hollow hex bolts of binding post lower end and be connected the resistor rod of hex bolts lower end.Hex bolts is the steel integral piece, is made of the hollow hexagon-head that is positioned at upside and the threaded portion that is positioned at the below, and the internal thread that the external screw thread of the threaded portion of hex bolts and temperature detecting resistance are installed the center through hole of stake is complementary.First rubber seal is horizontally disposed with, and is positioned in the temperature detecting resistance installation stake of transformer case.The head that is positioned at upside of the hex bolts of temperature detecting resistance is oppositely arranged by the upper side of its lower surface and first rubber seal.
Above-mentioned transformer temperature detecting resistance device also comprises protective cover and second rubber seal.Protective cover comprises shell and the installation sheet that is connected on the shell.Installation sheet is positioned on the edge of bottom of shell and is positioned at the sagittal middle part of shell.
Shell is spherical crown shape or the cuboid shelly that Open Side Down.It is tabular that installation sheet is, along about to being horizontally disposed with.Installation sheet is provided with and is positioned at the installation through hole that its central axis arranges along upward and downward.
Installation sheet is fixed together by the bottom outer rim of its outer ledge and shell.And the bottom centre of shell is positioned on the axis of upward and downward of installation through hole of installation sheet.
The shape of second rubber seal is consistent with first sealing rubber ring.
Protective cover is positioned at the top of first rubber seal, the below of second rubber seal, and the downside by its installation sheet contacts with the upper side of first rubber seal, contacted with the downside of second rubber seal by the upper side of its installation sheet, and the center through hole of second rubber seal, the installation through hole of installation sheet, the center through hole of first rubber seal and the center through hole that temperature detecting resistance is installed stake align.
Temperature detecting resistance is passed from the top down successively by its resistor rod in the transformer oil in the thermometric box that stretches into transformer case after the center through hole of the installation through hole of center through hole, installation sheet of second rubber seal and first rubber seal, and the hex bolts of rotation temperature detecting resistance, the internal thread that makes its threaded portion and temperature detecting resistance that stake is installed is meshed and screws, thereby makes temperature detecting resistance pass through first rubber seal and the second rubber seal sealing and fixing on transformer case.
The shell of above-mentioned protective cover is the spherical crown shape that Open Side Down.Installation sheet comprises the rectangle board, is connected the first arc board in rectangle board left side and from the right-hand second arc board that is connected rectangle board right side from left.
Through hole is installed is arranged on the central part of rectangle board along upward and downward, and the dead in line of upward and downward that through hole should be installed is in the axis of the upward and downward of the axis of the upward and downward of the first arc board and the second arc board.
The radius of the circle that the radius of the first arc board and the second arc board all surrounds with the bottom outer rim of shell equates.Installation sheet is fixed together by the left side central portion seal welding of the bottom outer rim of the left side edge of the first arc board in its left side and shell, and is fixed together by the right side central seal welding of the bottom outer rim of the right side edge of the second arc board on its right side and shell.
Shell and the installation sheet of above-mentioned protective cover are made by stainless steel material.
The shell of above-mentioned protective cover and installation sheet all are mouldings, and shell and installation sheet link together by securing member.
The external diameter of first rubber seal is corresponding with the circumscribed diameter of the head of hex bolts, and the internal diameter of first rubber seal is corresponding with the external diameter of the threaded portion of hex bolts.The aperture of the installation through hole of the installation sheet of above-mentioned protective cover is corresponding with the external diameter of the threaded portion of hex bolts.
The thickness of second rubber seal is littler 1 to 4 millimeter than the thickness of first sealing rubber ring.
The utlity model has positive effect:
(1) transformer temperature detecting resistance device of the present utility model can directly not exposed to the sun and rain and aged deterioration by first rubber seal that arranging of protective cover can be used in the transformer temperature detecting resistance, effectively improved the useful life of rubber seal, thereby improved the useful life of temperature detecting resistance device.
(2) transformer temperature detecting resistance device of the present utility model makes that the temperature detecting resistance of temperature detecting resistance, first rubber seal, transformer case is installed stake and connecting portion is avoided exposing to the sun and rain in the transformer running, improved the safe operation coefficient of transformer, guaranteed that transformer is safer in running.
(3) make that by second rubber seal is set the sealing effectiveness between temperature detecting resistance and the transformer case is better between the protective cover of transformer temperature detecting resistance device of the present utility model and the temperature detecting resistance, further improved the safe operation coefficient of transformer.
(4) simple and ingenious structure of the protective cover of transformer temperature detecting resistance device of the present utility model, and manufacturing expense is lower, and easy for installation, do not change the shell of transformer and the original structure of temperature detecting resistance during installation.
Description of drawings
Fig. 1 is a kind of structural representation of the transformer temperature detecting resistance device among the embodiment 1;
Fig. 2 is the front view of the protective cover among Fig. 1;
Fig. 3 is the upward view of Fig. 2;
Fig. 4 is the A-A face cutaway view of Fig. 2;
Fig. 5 be among the embodiment 2 transformer temperature detecting resistance device the front view of protective cover.
Mark in the above-mentioned accompanying drawing is as follows:
Shell 1,
Installation sheet 2, rectangle board 21, the first arc board 22, the second arc boards 23 are installed through hole 24,
Transformer case 3, housing main body 30, temperature detecting resistance is installed stake 31, thermometric box 32, temperature detecting resistance 4, binding post 41, hex bolts 42, head 42-1, threaded portion 42-2, resistor rod 43,
First rubber seal, 51, the second rubber seal 52,
Transformer oil 6.
Embodiment
The utility model is described with orientation shown in Figure 1 carrying out the orientation when describing, and the orientation up and down among the figure also is up and down in description, and the orientation of court of picture in picture face institute is the place ahead, and the orientation that deviates from drawing is the rear.
(embodiment 1)
See Fig. 1, the transformer temperature detecting resistance device of present embodiment comprises transformer case 3, temperature detecting resistance 4, first rubber seal 51, second rubber seal 52 and protective cover 10.
See Fig. 2 to Fig. 4, protective cover 10 comprises shell 1 and the installation sheet 2 that is connected on the shell 1; Installation sheet 2 is positioned on the edge of bottom of shell 1 and is positioned at the sagittal middle part of shell 1.Shell 1 is the spherical crown shape that Open Side Down, is made by stainless steel material.Installation sheet 2 along about to being horizontally disposed with, made by the corrosion resistant plate material, comprise rectangle board 21, be connected the first arc board 22 in rectangle board 21 left sides and from the right-hand second arc board 23 that is connected rectangle board 21 right sides from left.Rectangle board 21 is provided with and is positioned at the installation through hole 24 that its central axis arranges along upward and downward, and the dead in line of upward and downward that through hole 24 should be installed is in the axis of the upward and downward of the axis of the upward and downward of the first arc board 22 and the second arc board 23.The radius of the circle that the radius of the first arc board 22 and the second arc board 23 all surrounds with the bottom outer rim of shell 1 equates.Installation sheet 2 is fixed together by the left side central portion seal welding of the bottom outer rim of the left side edge of the first arc board 22 in its left side and shell 1, and be fixed together by the right side central seal welding of the bottom outer rim of the right side edge of the second arc board 23 on its right side and shell 1, thereby the protective cover of forming the transformer temperature detecting resistance device of present embodiment, the center of circle of the circle that the bottom outer rim of shell 1 surrounds are positioned on the axis of upward and downward of installation through hole 24 of installation sheet 2.
See Fig. 1, transformer case 3 is provided with housing main body 30, temperature detecting resistance is installed stake 31 and thermometric box 32; The housing main body 30 of transformer case 3 is provided with the temperature-measuring port that the opening of a circle makes progress, temperature detecting resistance is installed stake 31 and is the cylindrical shape that connects up and down, and the center through hole that temperature detecting resistance is installed stake 31 is inner bolt hole, temperature detecting resistance is installed stake 31 and is sealedly and fixedly connected at the temperature-measuring port place of the housing main body 30 of transformer case 3, and is positioned at that housing main body is 30 outer, the top of the temperature-measuring port of housing main body 30.Thermometric box 32 is the cylindrical shape that opening makes progress, and thermometric box 32 is made by stainless steel material, and its wall thickness is 0.5mm; Thermometric box 32 is sealedly and fixedly connected at the temperature-measuring port place of the housing main body 30 of transformer case 3, and is positioned at housing main body 30, and is positioned at the below of the temperature-measuring port of housing main body 30.Center through hole, the temperature-measuring port of housing main body 30 and the inner chamber of thermometric box 32 that temperature detecting resistance is installed stake 31 connect mutually.There is transformer oil 6 in the thermometric box 32 of transformer case 3.Temperature detecting resistance 4 comprises binding post 41, be connected the hollow hex bolts 42 of binding post 41 lower ends and be connected the resistor rod 43 of hex bolts 42 lower ends, hex bolts 42 is the steel integral piece, be made of the hollow hexagon-head 42-1 that is positioned at upside and the threaded portion 42-2 that is positioned at the below, the internal thread that the external screw thread of the threaded portion 42-2 of hex bolts 42 and temperature detecting resistance are installed the center through hole of stake 31 is complementary.The external diameter of first rubber seal 51 is corresponding with the circumscribed diameter of the head 42-1 of hex bolts 42, and the internal diameter of first rubber seal 51 is corresponding with the external diameter of the threaded portion 42-2 of hex bolts 42.The aperture of the installation through hole 24 of the installation sheet 2 of the described protective cover 10 that is obtained by embodiment 1 is corresponding with the external diameter of the threaded portion 42-2 of hex bolts 42.The shape of second rubber seal 52 is consistent with first sealing rubber ring 51; The thickness of second rubber seal 52 is littler 3 millimeters than the thickness of first sealing rubber ring 51.
When temperature detecting resistance 4 is installed, above temperature detecting resistance installation stake 31, fill up first rubber seal 51 earlier, the installation sheet 2 of protective cover 10 on pad above first rubber seal 51, second rubber seal 52 on pad above the installation sheet 2, and with the center through hole of second rubber seal 52, the installation through hole 24 of installation sheet 2, the center through hole of first rubber seal 51 is aimed at the center through hole that temperature detecting resistance is installed stake 31, then temperature detecting resistance 4 is passed from the top down successively the center through hole of second rubber seal 52 by its resistor rod 43, the installation through hole 24 of installation sheet 2, the center through hole of first rubber seal 51, temperature detecting resistance is installed in the transformer oil 6 in the thermometric box 32 that stretches into transformer case 3 after the center through hole of stake 31, and the hex bolts 42 of rotation temperature detecting resistance 4, the internal thread that makes its threaded portion 42-2 and temperature detecting resistance that stake 31 is installed is meshed and screws, thus make temperature detecting resistance 4 by second rubber seal 52 and first rubber seal, 51 sealing and fixing on transformer case 3.Then the shell 1 of protective cover 10 is alignd with the outward flange of the first arc board 22 of the both sides of installation sheet 2 and the second arc board 23 by its bottom outer rim and be weldingly fixed on, the center of circle of the circle that the bottom outer rim of the shell 1 of protective cover surrounds is positioned on the axis of upward and downward of installation through hole 24 of installation sheet 2.Cabling was used when each 1 arc space before and after forming between the position that the bottom outer rim of the shell 1 of protective cover 10 is not connected with installation sheet 2 and the edge of installation sheet 2, these 2 spaces were used for binding post 41 wiring of temperature detecting resistance 4.Protective cover has all carried out blocking protection to temperature detecting resistance 4 and first rubber seal 51, and windproof and rain proof is sun-proof, has effectively prolonged both useful life.
(embodiment 2)
See Fig. 5, the transformer temperature detecting resistance device of present embodiment is substantially the same manner as Example 1, and its difference is: the shell 1 of protective cover 10 is the cuboid shelly; Accordingly, installation sheet 2 is rectangular-shaped with the lower surface of shell 1 coupling.
(embodiment 3)
The transformer temperature detecting resistance device of present embodiment and embodiment 1 or 2 are basic identical, and its difference is: the shell 1 of described protective cover 10 and installation sheet 2 all are mouldings, and shell 1 and installation sheet 2 link together by securing member.
Obviously, above-described embodiment only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (6)
1. a transformer temperature detecting resistance device comprises transformer case (3), temperature detecting resistance (4) and first rubber seal (51); Transformer case (3) is provided with housing main body (30), temperature detecting resistance is installed stake (31) and thermometric box (32); The housing main body (30) of transformer case (3) is provided with the temperature-measuring port that the opening of a circle makes progress, and temperature detecting resistance is installed stake (31) and is the cylindrical shape that connects up and down, and the center through hole that temperature detecting resistance is installed stake (31) is inner bolt hole; Temperature detecting resistance is installed stake (31) and is sealedly and fixedly connected at the temperature-measuring port place of the housing main body (30) of transformer case (3), and is positioned at that housing main body (30) is outer, the top of the temperature-measuring port of housing main body (30); Thermometric box (32) is the cylindrical shape that opening makes progress, and thermometric box (32) is sealedly and fixedly connected at the temperature-measuring port place of the housing main body (30) of transformer case (3), and is positioned at housing main body (30), and is positioned at the below of the temperature-measuring port of housing main body (30); Center through hole, the temperature-measuring port of housing main body (30) and the inner chamber of thermometric box (32) that temperature detecting resistance is installed stake (31) connect mutually; There is transformer oil (6) in the thermometric box (32); Temperature detecting resistance (4) comprises binding post (41), be connected the hollow hex bolts (42) of binding post (41) lower end and be connected the resistor rod (43) of hex bolts (42) lower end; Hex bolts (42) is the steel integral piece, be made of the hollow hexagon-head (42-1) that is positioned at upside and the threaded portion (42-2) that is positioned at the below, the external screw thread of the threaded portion (42-2) of hex bolts (42) is complementary with the internal thread that temperature detecting resistance is installed the center through hole of (31); First rubber seal (51) is horizontally disposed with, and is positioned in the temperature detecting resistance installation stake (31) of transformer case (3); The head that is positioned at upside (42-1) of the hex bolts (42) of temperature detecting resistance (4) is oppositely arranged by the upper side of its lower surface and first rubber seal (51);
It is characterized in that: also comprise protective cover (10) and second rubber seal (52); Protective cover (10) comprises shell (1) and is connected installation sheet (2) on the shell (1); Installation sheet (2) is positioned on the edge of bottom of shell (1) and is positioned at the sagittal middle part of shell (1);
Shell (1) is spherical crown shape or the cuboid shelly that Open Side Down; Installation sheet (2) is tabular, along about to being horizontally disposed with; Installation sheet (2) is provided with and is positioned at the installation through hole (24) that its central axis arranges along upward and downward;
Installation sheet (2) is fixed together by the bottom outer rim of its outer ledge and shell (1); And the bottom centre of shell (1) is positioned on the axis of upward and downward of installation through hole (24) of installation sheet (2);
The shape of second rubber seal (52) is consistent with first sealing rubber ring (51);
Protective cover (10) is positioned at the top of first rubber seal (51), the below of second rubber seal (52), and the downside by its installation sheet (2) contacts with the upper side of first rubber seal (51), contacted with the downside of second rubber seal (52) by the upper side of its installation sheet (2), and the center through hole of second rubber seal (52), the installation through hole (24) of installation sheet (2), the center through hole of first rubber seal (51) and the center through hole that temperature detecting resistance is installed stake (31) align;
Temperature detecting resistance (4) is passed the center through hole of second rubber seal (52) from the top down successively by its resistor rod (43), stretch into after the installation through hole (24) of installation sheet (2) and the center through hole of first rubber seal (51) in the transformer oil (6) in the thermometric box (32) of transformer case (3), and the hex bolts (42) of rotation temperature detecting resistance (4), the internal thread that makes its threaded portion (42-2) and temperature detecting resistance that stake (31) is installed is meshed and screws, thus make temperature detecting resistance (4) by first rubber seal (51) and second rubber seal (52) sealing and fixing on transformer case (3).
2. transformer temperature detecting resistance device according to claim 1, it is characterized in that: the shell (1) of described protective cover (10) is the spherical crown shape that Open Side Down; Installation sheet (2) comprises rectangle board (21), is connected the first arc board (22) in rectangle board (21) left side and from the right-hand second arc board (23) that is connected rectangle board (21) right side from left;
Through hole (24) is installed is arranged on the central part of rectangle board (21) along upward and downward, and the dead in line of upward and downward that through hole (24) should be installed is in the axis of the upward and downward of the axis of the upward and downward of the first arc board (22) and the second arc board (23);
The radius of the circle that the radius of the first arc board (22) and the second arc board (23) all surrounds with the bottom outer rim of shell (1) equates; Installation sheet (2) is fixed together by the left side central portion seal welding of the bottom outer rim of the left side edge of the first arc board (22) in its left side and shell (1), and is fixed together by the right side central seal welding of the bottom outer rim of the right side edge of the second arc board (23) on its right side and shell (1).
3. transformer temperature detecting resistance device according to claim 1, it is characterized in that: shell (1) and the installation sheet (2) of described protective cover (10) are made by stainless steel material.
4. transformer temperature detecting resistance device according to claim 1, it is characterized in that: shell (1) and the installation sheet (2) of described protective cover (10) all are mouldings, and shell (1) and installation sheet (2) link together by securing member.
5. according to the described transformer temperature detecting resistance of one of claim 1 to 4 device, it is characterized in that: the external diameter of first rubber seal (51) is corresponding with the circumscribed diameter of the head (42-1) of hex bolts (42), and the internal diameter of first rubber seal (51) is corresponding with the external diameter of the threaded portion (42-2) of hex bolts (42); The aperture of the installation through hole (24) of the installation sheet (2) of described protective cover (10) is corresponding with the external diameter of the threaded portion (42-2) of hex bolts (42).
6. transformer temperature detecting resistance device according to claim 5, it is characterized in that: the thickness of second rubber seal (52) is littler 1 to 4 millimeter than the thickness of first sealing rubber ring (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015687 CN203118709U (en) | 2013-01-11 | 2013-01-11 | Transformer temperature measuring resistor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015687 CN203118709U (en) | 2013-01-11 | 2013-01-11 | Transformer temperature measuring resistor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118709U true CN203118709U (en) | 2013-08-07 |
Family
ID=48899032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320015687 Expired - Fee Related CN203118709U (en) | 2013-01-11 | 2013-01-11 | Transformer temperature measuring resistor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823100A (en) * | 2019-11-15 | 2020-02-21 | 湖南东神自动化设备有限公司 | Detection device is used in laminating machine production |
-
2013
- 2013-01-11 CN CN 201320015687 patent/CN203118709U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823100A (en) * | 2019-11-15 | 2020-02-21 | 湖南东神自动化设备有限公司 | Detection device is used in laminating machine production |
| CN110823100B (en) * | 2019-11-15 | 2021-12-14 | 深圳市艾福思自动化设备有限公司 | Detection device is used in laminating machine production |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20180111 |