CN211504330U - Standard oil level gauge for transformer - Google Patents
Standard oil level gauge for transformer Download PDFInfo
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- CN211504330U CN211504330U CN202020268144.6U CN202020268144U CN211504330U CN 211504330 U CN211504330 U CN 211504330U CN 202020268144 U CN202020268144 U CN 202020268144U CN 211504330 U CN211504330 U CN 211504330U
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- oil level
- standard
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- height
- oil
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Abstract
The utility model discloses a standard oil level gauge of a transformer, which comprises an oil level gauge shell, wherein an oil level height cavity is arranged on the oil level gauge shell; an infrared detection assembly which is arranged along the height direction of the oil level height cavity and is used for detecting the height of the actual oil level floater is arranged in the oil level gauge shell; the oil level gauge shell is internally provided with a standard oil level measuring assembly, an oil level height cavity of the oil level gauge shell can be communicated with an oil chamber of the transformer by utilizing a communicating vessel principle, the real-time height of an actual oil level floater can be quickly detected by arranging an infrared detecting assembly, the actual oil level of oil in the transformer is measured, the standard oil level measuring assembly can detect the height of the standard oil level of the oil in the transformer converted at the corresponding temperature according to an oil temperature standard oil level curve graph, and then whether the oil level in the oil chamber of the transformer is normal or not can be judged according to the comparison of the detection data of the infrared detecting assembly and the standard oil level.
Description
Technical Field
The utility model relates to a power grid technical field, concretely relates to transformer standard oil level gaugember.
Background
The oil immersed transformer realizes the functions of cooling, insulation and the like by using transformer oil. If the oil level of the transformer is too high, the pressure in the oil tank is possibly too high at high temperature or under heavy load, so that oil spilling or pressure release valve action is caused; if the oil level of the transformer is too low, the high-voltage part is exposed due to oil loss protection, and breakdown or discharge is caused; meanwhile, the oil level can also reflect the sealing condition of the oil tank, so that oil leakage or oil leakage can be found in time. Therefore, it is important to monitor the oil level of the transformer, especially the oil level is too low.
Conventional transformer oil level monitoring is by manually looking at an oil level gauge. The disadvantages of the conventional monitoring method are as follows: the oil level gauge is often subject to measurement inaccuracy due to clogging and the like. And for some oil-immersed distribution transformers, no suitable oil level temperature online monitoring device exists, and higher potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims to provide a measure accurate, the high transformer standard oil level gaugember of reliability.
The utility model adopts the technical proposal that: a standard oil level gauge of a transformer comprises an oil level gauge shell, wherein an oil level height cavity is arranged on the oil level gauge shell and is communicated with an oil chamber of the transformer, and an actual oil level floater ascending and descending along with liquid level is arranged in the oil level height cavity; an infrared detection assembly which is arranged along the height direction of the oil level height cavity and is used for detecting the height of the actual oil level floater is arranged in the oil level gauge shell; and a standard oil level measuring assembly is further arranged in the oil level gauge shell, and can detect the temperature of the transformer oil and display the standard height of the oil level in the transformer oil chamber at the temperature.
In the technical scheme, an oil level height cavity of an oil level indicator shell is communicated with an oil chamber of a transformer by using a communicating vessel principle, so that the oil level height in the oil chamber of the transformer is the same as the oil level height of an actual oil level floater in the oil level height cavity, the actual oil level of oil in the transformer can be measured by rapidly detecting the real-time height of the actual oil level floater by arranging an infrared detection assembly, the standard oil level measurement assembly can detect the height of a standard oil level of the oil in the transformer at a corresponding temperature according to an oil temperature standard oil level curve graph, and then whether the oil level in the oil chamber of the transformer is normal or not can be judged by comparing the detection data of the infrared detection assembly with the standard oil level.
Preferably, the infrared detection assembly is a plurality of pairs of infrared emitters and infrared receivers, and each pair of infrared emitter and infrared receiver is oppositely arranged along two sides of the oil level height cavity.
Preferably, the standard oil level measuring assembly comprises a rotating screw rod arranged in an oil level gauge shell and arranged along the lifting direction of an actual oil level floater, a standard oil level height block which moves up and down along with the rotation of the rotating screw rod is connected to the rotating screw rod in a threaded mode, the rotating screw rod is in transmission connection with a driving piece arranged in the oil level gauge shell, the driving piece is connected with a temperature transmission module capable of detecting the temperature of oil, and the temperature transmission module can calculate the standard height of the oil level in a transformer oil chamber at the corresponding temperature and simultaneously control the driving piece to operate so that the standard oil level height block moves to the corresponding height position.
Preferably, the temperature transmitting module comprises a control board, and the control board is connected with a temperature sensor capable of detecting transformer oil.
Preferably, the driving piece is a stepping motor, and an output shaft of the stepping motor is in transmission connection with the rotating screw rod through a gear set.
Preferably, the oil level indicator shell is provided with a mounting groove corresponding to the edge of the oil level height cavity for accommodating the rotating screw rod, and the mounting groove is in sliding fit with the standard oil level height block.
Preferably, the outer side surface of the oil level indicator shell is provided with oil level scales corresponding to the edge of the mounting groove.
Preferably, the lower end of the oil level indicator shell is provided with a lower base, and a motor installation cavity is arranged in the lower base.
Preferably, the lower base is provided with a connecting port communicated with the oil level height cavity, and the connecting port is connected with the transformer oil chamber.
Preferably, the lower base is provided with a circuit mounting opening, and the temperature transmitting module is connected with a detection circuit penetrating through the circuit mounting opening.
The utility model has the advantages that: the utility model provides a whether transformer standard oil level gaugember can accurately judge the oil temperature in the transformer oil chamber normally, can the high real-time actual oil level of measuring the interior fluid of transformer that advances of short-term test actual oil level float through setting up infrared detection subassembly, standard oil level measuring unit can detect the height of the standard oil level of transformer fluid under corresponding temperature according to oil temperature standard oil level curve graph, can judge whether normal the oil level in the transformer oil chamber according to the detection data of infrared detection subassembly and the standard oil level height ratio under the corresponding temperature again. The utility model provides an among the prior art artifical detection error inaccurate and the lower class technical problem of efficiency, higher practicality and spreading value have.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a perspective view of a standard oil level gauge for a transformer according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a standard oil level gauge of a transformer according to an embodiment of the present invention.
Fig. 3 is a graph illustrating a standard oil level of the transformer according to an embodiment of the present invention.
Reference numerals: oil level gauge housing 100, oil level height chamber 110, mounting groove 120, lower base 130, connection port 140, actual oil level float 200, infrared detection assembly 300, rotary screw 400, standard oil level height block 500, stepper motor 600, detection circuit 700.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1 to 3, the standard oil level indicator for a transformer provided by the present embodiment includes an oil level indicator housing 100, an oil level height cavity 110 is provided on the oil level indicator housing 100, the oil level height cavity 110 is communicated with an oil chamber of the transformer, and an actual oil level float 200 ascending and descending along with a liquid level is provided in the oil level height cavity 110; an infrared detection assembly 300 for detecting the height of the actual oil level float 200, which is arranged along the height direction of the oil level height chamber 110, is provided in the oil level gauge housing 100; the oil level height cavity 110 of the oil level indicator shell 100 can be communicated with the oil chamber of the transformer by utilizing a communicating vessel principle, so that the oil level height in the oil chamber of the transformer is the same as the oil level height of the actual oil level floater 200 in the height of the oil level height cavity 110, the actual oil level of the oil in the transformer can be measured by rapidly detecting the real-time height of the actual oil level floater 200 by arranging the infrared detection assembly 300, in order to realize the communication with the oil chamber of the transformer to form the communicating vessel, the lower base 130 of the embodiment is provided with a connecting port 140 communicated with the oil level height cavity 110, and the connecting port 140 is connected with the oil chamber of the transformer, so that the. The infrared detection subassembly 300 that this embodiment provided is many pairs of infrared transmitter and infrared receiver, it is every to infrared transmitter and infrared receiver arrange along oil level height chamber 110 both sides are relative, when actual oil level float 200 was located between a certain infrared transmitter and the infrared receiver, infrared receiver can't receive the infrared transmitter signal, and then the detectable position that actual oil level float 200 was located, can obtain actual oil level height through corresponding circuit signal conversion, infrared transmitter and infrared receiver are the commonly used electronic equipment in the circuit technology field, technical personnel in the art select for use corresponding specification and model as required can, it is no longer repeated here.
As shown in fig. 1 to 3, in order to automatically determine whether the actual oil level is normal, the present embodiment further includes a standard oil level measuring component in the oil level gauge housing 100, which can detect the temperature of the transformer oil and display the standard height of the oil level in the transformer oil chamber at the temperature. The standard oil level measuring assembly can detect the height of the standard oil level of the oil liquid of the transformer at the corresponding temperature according to the oil temperature standard oil level curve graph, and then can judge whether the oil level in the oil chamber of the transformer is normal or not by comparing the detection data of the infrared detection assembly 300 with the height of the standard oil level at the corresponding temperature; the standard oil level measuring component provided by the embodiment comprises a rotating screw 400 which is arranged in an oil level indicator shell 100 and is arranged along the lifting direction of an actual oil level floater 200, a standard oil level height block 500 which moves up and down along with the rotation of the rotating screw 400 is connected to the rotating screw 400 in a threaded mode, the rotating screw 400 is in transmission connection with a driving piece arranged in the oil level indicator shell 100, the driving piece is connected with a temperature transmitting module which can detect the temperature of oil, and the temperature transmitting module can calculate the standard height of the oil level in a transformer oil chamber at the corresponding temperature and simultaneously control the driving piece to move the standard oil level height block 500 to the corresponding height position. Further, the temperature transmitting module comprises a control panel, and the control panel is connected with a temperature sensor capable of detecting transformer oil. When the temperature sensor detects the oil temperature in the transformer, the control panel measures and calculates the height of the standard oil level at the corresponding temperature through the standard oil temperature and oil level curve, and then controls the driving piece to rotate the rotating screw 400, so that the standard oil level height block 500 can be moved to the height position of the standard oil level.
As shown in fig. 1 and 2, in order to improve the accuracy of the standard oil level detection, the driving member provided in the present embodiment is a stepping motor 600, and an output shaft of the stepping motor 600 is drivingly connected to the rotating screw 400 through a gear set. The use of stepper motor 600 may improve the accuracy of the transmission.
As shown in fig. 1 and 2, in order to mount the rotary screw 400, the oil level gauge housing 100 of the present embodiment is provided with a mounting groove 120 corresponding to the oil level height chamber 110 and accommodating the rotary screw 400, and the mounting groove 120 is slidably fitted to the standard oil level height block 500. In addition, the outer side surface of the oil level gauge housing 100 is provided with an oil level scale corresponding to the edge of the mounting groove 120, so that a technician can conveniently check the height of the standard oil level height block 500.
As shown in fig. 1 and 2, since the driving member is installed below the rotary screw 400, the present embodiment is provided with a lower base 130 at the lower end of the oil level gauge housing 100, and a motor installation cavity is provided in the lower base 130. The respective driving parts can be installed in the oil level gauge housing 100 by providing the motor installation cavity. In addition, a circuit mounting opening is formed in the lower base 130, and the temperature transmission module is connected with a detection circuit 700 passing through the circuit mounting opening, through which the detection circuit 700 can be arranged.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A standard oil level indicator of a transformer comprises an oil level indicator shell (100), wherein an oil level height cavity (110) is formed in the oil level indicator shell (100), the oil level height cavity (110) is communicated with an oil chamber of the transformer, and an actual oil level floater (200) ascending and descending along with liquid level is arranged in the oil level height cavity;
the method is characterized in that: an infrared detection assembly (300) which is arranged along the height direction of the oil level height cavity (110) and is used for detecting the height of the actual oil level floater (200) is arranged in the oil level indicator shell (100); and a standard oil level measuring component is arranged in the oil level gauge shell (100), and can detect the temperature of the transformer oil and display the standard height of the oil level in the transformer oil chamber at the temperature.
2. The standard oil level gauge of transformer according to claim 1, wherein:
the infrared detection assembly (300) comprises a plurality of pairs of infrared emitters and infrared receivers, and each pair of infrared emitter and infrared receiver are oppositely arranged along two sides of the oil level height cavity (110).
3. The standard oil level gauge of transformer according to claim 1, wherein:
the standard oil level measuring assembly comprises a rotating screw (400) which is arranged in an oil level gauge shell (100) and is arranged along the lifting direction of an actual oil level floater (200), a standard oil level height block (500) which moves up and down along the rotation of the rotating screw (400) is connected to the rotating screw (400) in a threaded mode, the rotating screw (400) is in transmission connection with a driving piece which is arranged in the oil level gauge shell (100), the driving piece is connected with a temperature transmission module which can detect the temperature of oil, and the temperature transmission module can calculate the standard height of the oil level in a transformer oil chamber at the corresponding temperature and simultaneously control the driving piece to move the standard oil level height block (500) to the corresponding height position.
4. The standard oil level gauge of transformer according to claim 3, wherein:
the temperature transmitting module comprises a control panel, and the control panel is connected with a temperature sensor capable of detecting oil of the transformer.
5. The standard oil level gauge of transformer according to claim 3, wherein: the driving piece is a stepping motor (600), and an output shaft of the stepping motor (600) is in transmission connection with the rotating screw rod (400) through a gear set.
6. The standard oil level gauge of transformer according to claim 3, wherein: the oil level indicator shell (100) is provided with a mounting groove (120) corresponding to the edge of the oil level height cavity (110) and used for accommodating the rotating screw rod (400), and the mounting groove (120) is in sliding fit with the standard oil level height block (500).
7. The standard oil level gauge of transformer according to claim 6, wherein: and the outer side surface of the oil level indicator shell (100) is provided with oil level scales corresponding to the edge part of the mounting groove (120).
8. The standard oil level gauge of transformer according to claim 6, wherein: the lower end of the oil level indicator shell (100) is provided with a lower base (130), and a motor installation cavity is arranged in the lower base (130).
9. The standard oil level gauge of transformer according to claim 8, wherein: the lower base (130) is provided with a connecting port (140) communicated with the oil level height cavity (110), and the connecting port (140) is connected with the transformer oil chamber.
10. The standard oil level gauge of a transformer according to claim 9, wherein: the lower base (130) is provided with a circuit mounting opening, and the temperature transmitting module is connected with a detection circuit (700) penetrating through the circuit mounting opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268144.6U CN211504330U (en) | 2020-03-06 | 2020-03-06 | Standard oil level gauge for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020268144.6U CN211504330U (en) | 2020-03-06 | 2020-03-06 | Standard oil level gauge for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504330U true CN211504330U (en) | 2020-09-15 |
Family
ID=72402452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020268144.6U Expired - Fee Related CN211504330U (en) | 2020-03-06 | 2020-03-06 | Standard oil level gauge for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504330U (en) |
-
2020
- 2020-03-06 CN CN202020268144.6U patent/CN211504330U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |
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| CF01 | Termination of patent right due to non-payment of annual fee |