CN216719629U - Resistor arrangement for neutral point of electric power system - Google Patents
Resistor arrangement for neutral point of electric power system Download PDFInfo
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- CN216719629U CN216719629U CN202122126334.1U CN202122126334U CN216719629U CN 216719629 U CN216719629 U CN 216719629U CN 202122126334 U CN202122126334 U CN 202122126334U CN 216719629 U CN216719629 U CN 216719629U
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Abstract
The utility model provides a resistor device for electric power system neutral point, includes the setting and is being located the cable of electric power system neutral point or be located the cable of ground system and be the bar piece that the step body distributes, through the bar piece, has realized being connected electric power system neutral point and ground system, through extending the through-flow area, improves the heat dispersion of bar piece, reduces the temperature of bar piece, has consequently improved the effect that electric power system neutral point and ground system are connected.
Description
Technical Field
The utility model relates to a resistor device, in particular to a resistor device for a neutral point of an electric power system.
Background
In order to ensure the operation safety of the power system, the neutral point of the power system needs to be connected with the ground system through the resistor device, so the resistor device for the neutral point of the power system is an important electrical component, in the existing resistor device for the neutral point of the power system, the resistor can be classified into a linear shape, a lath shape and the like according to the current capacity, or a common rectangular plate is used, so that the high temperature value and deformation often occur, the effect of connecting the neutral point of the power system with the ground system is influenced,
the requirement on the thermal stability of the resistor is high, and the control on the temperature rise limit value is strict, so that the resistor is prevented from deforming when the temperature rises under high current.
Disclosure of Invention
The object of the utility model is a resistor arrangement for a neutral point of an electric power system.
In order to overcome the technical drawbacks described above, it is an object of the present invention to provide a resistor arrangement for a neutral point of an electric power system, thereby improving the effect of connecting the neutral point of the electric power system to a ground system.
In order to achieve the purpose, the utility model adopts the technical scheme that: the cable-type transformer comprises strip-shaped sheets which are arranged on a cable positioned at a neutral point of an electric power system or a cable positioned at a ground system and distributed in a step body.
Due to the fact that the strip pieces are designed, the neutral point of the electric power system is connected with the ground system through the strip pieces, the heat dissipation performance of the strip pieces is improved through extending the flow area, the temperature of the strip pieces is reduced, and therefore the effect of connecting the neutral point of the electric power system with the ground system is improved.
The utility model relates to the integration of technical features on strip-shaped sheets in such a way as to extend the flow area.
The utility model relates to the integration of technical features on strip-shaped sheets in such a way that the flow area is extended by the provision of folds.
The utility model designs that the strip-shaped sheet comprises a middle plate, a first bending plate, a first end plate, a second bending plate and a second end plate.
The technical effects of the four technical schemes are as follows: through increasing the vertical face that is the step body and distributes, increased heat radiating area.
The utility model designs that the device also comprises a first accessory device which is arranged on the strip-shaped sheet, and the first accessory device is arranged as a casting layer body.
The technical effects of the technical scheme are as follows: integrated mounting of other components is achieved.
The utility model designs that a first bending plate is arranged between a first end plate and a middle plate, and a second bending plate is arranged between a second end plate and the middle plate.
The technical effects of the technical scheme are as follows: the intermediate plate, the first bending plate, the first end plate, the second bending plate and the second end plate form a basic technical scheme of the utility model, and the technical problem of the utility model is solved.
The utility model designs that the middle plate is a rectangular sheet body, the middle plate is respectively provided with a first groove body and a second groove body, one end head of the middle plate is connected with the first bending plate, the other end head of the middle plate is connected with the second bending plate, the first groove body and the second groove body are respectively arranged into arc-shaped groove bodies, the first groove body and the second groove body are arranged to extend and distribute along the transverse central line of the middle plate, and the first groove body and the second groove body are symmetrically distributed along the transverse central line of the middle plate.
The technical effects of the technical scheme are as follows: by the first groove body and the second groove body, it is achieved that the reinforcing rib portion is provided, thereby increasing the strength of the resistor device.
The utility model designs that the first bending plate is a sheet-shaped body distributed in a parallelogram shape, the inner end of the first bending plate is connected with the middle plate, and the outer end of the first bending plate is connected with the first end plate.
The utility model designs that the first end plate is a rectangular sheet-shaped body and is provided with a first through hole body, the inner end of the first end plate is connected with the first bending plate, and the first through hole body is a circular hole body.
The technical effects of the two technical schemes are as follows: a first folded part is formed by the first bending plate and the first end plate.
The utility model designs that the second bending plate is a sheet-shaped body distributed in a parallelogram shape, the inner end head of the second bending plate is connected with the middle plate, and the outer end head of the second bending plate is connected with the second end plate.
The utility model designs that the second end plate is a rectangular sheet-shaped body and a second through hole body is arranged on the second end plate, the inner end of the second end plate is coupled with the second bending plate, and the second through hole body is a circular hole body.
The technical effects of the two technical schemes are as follows: and a second folding part is formed by the second bending plate and the second end head plate.
The utility model designs that the included angle between the first bending plate and the middle plate and the included angle between the second bending plate and the middle plate are respectively set to be 105-115 degrees, and the first bending plate and the second bending plate are symmetrically distributed along the transverse center line of the middle plate.
The technical effects of the technical scheme are as follows: the electrical performance of the resistor device is improved by the 105-115 degree included angle setting.
The utility model designs that the middle plate, the first bending plate, the first end plate, the second bending plate and the second end plate are distributed in a staggered end connecting mode, the middle plate, the first end plate and the first bending plate are distributed in a Z shape, and the middle plate, the second end plate and the second bending plate are distributed in a Z shape.
The utility model designs that the first groove body and the second groove body are respectively provided with a through-leakage window body, the casting layer body is arranged in the first groove body, the second groove body and the through-leakage window bodies positioned on the first groove body and the second groove body, and the casting layer body is set as a condensate of copper liquid.
The technical effects of the technical scheme are as follows: the electrical performance of the resistor device is improved by the arrangement of the casting layer body.
In the technical scheme, the strip-shaped sheet for extending the flow area is an important technical feature, and has novelty, creativity and practicability in the technical field of the resistor device for the neutral point of the power system, and all terms in the technical scheme can be explained and understood by patent documents in the technical field.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is a schematic view of the present invention,
the novel multi-functional combined type corrugated pipe comprises a middle plate-11, a first bending plate-12, a first end plate-13, a second bending plate-15, a second end plate-16, a first through hole body-14, a second through hole body-17, a first groove body-18 and a second groove body-19.
Detailed Description
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, technical features involved in various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other, and unless otherwise specified, devices and materials used in the following examples are commercially available, and if processing conditions are not explicitly specified, please refer to a purchased product specification or follow a conventional method in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a first embodiment of the present invention, which is specifically described with reference to the accompanying drawings, and includes an intermediate plate 11, a first bending plate 12, a first end plate 13, a second bending plate 15, and a second end plate 16, wherein the first bending plate 12 is disposed between the first end plate 13 and the intermediate plate 11, and the second bending plate 15 is disposed between the second end plate 16 and the intermediate plate 11.
In this embodiment, the middle plate 11 is configured as a rectangular plate and the middle plate 11 is provided with a first groove body 18 and a second groove body 19 respectively, one end of the middle plate 11 is configured to be coupled with the first bending plate 12 and the other end of the middle plate 11 is configured to be coupled with the second bending plate 15, the first groove body 18 and the second groove body 19 are configured as arc-shaped grooves respectively and the first groove body 18 and the second groove body 19 are configured to extend along the transverse center line of the middle plate 11, and the first groove body 18 and the second groove body 19 are configured to be symmetrically distributed along the transverse center line of the middle plate 11.
Through intermediate lamella 11, formed the support tie point to first bending board 12 and second bending board 15, by intermediate lamella 11, realized with first bending board 12 be connected, realized with second bending board 15 be connected, by first groove body 18 and second groove body 19, realized carrying out the gain intensity processing to intermediate lamella 11, its technical aim at: for serving as a support carrier for the first and second bending plates 12, 15.
In the present embodiment, the first bending plate 12 is provided as a sheet-shaped body distributed in a parallelogram and the inner end of the first bending plate 12 is provided to be coupled with the middle plate 11, and the outer end of the first bending plate 12 is provided to be coupled with the first end plate 13.
Through first bending plate 12, formed the support connection point to intermediate lamella 11 and first end board 13, by first bending plate 12, realized being connected with intermediate lamella 11, realized being connected with first end board 13, its technical aim at: as a means for connection between the first end plate 13 and the intermediate plate 11.
In the present embodiment, the first header plate 13 is provided as a rectangular plate-shaped body and a first through-hole body 14 is provided on the first header plate 13, an inner end of the first header plate 13 is provided to be coupled with the first folding plate 12 and the first through-hole body 14 is provided as a circular hole-shaped body.
Through first end board 13, formed the support connection point to first board 12 that bends, by first end board 13, realized being connected with first board 12 that bends, by first through-hole body 14, realized being connected with the cable, its technical aim at: as a means for making a connection to a cable located at the neutral point of the power system or to a cable located at the earth system.
In the present embodiment, the second bending plate 15 is provided as a sheet-shaped body distributed in a parallelogram and the inner end of the second bending plate 15 is provided to be coupled with the middle plate 11, and the outer end of the second bending plate 15 is provided to be coupled with the second end plate 16.
Through second bent plate 15, formed the support connection point to intermediate lamella 11 and second end board 16, by second bent plate 15, realized being connected with intermediate lamella 11, realized being connected with second end board 16, its technical aim at: for the connection between the second end plate 16 and the intermediate plate 11.
In the present embodiment, the second header plate 16 is provided as a rectangular plate-shaped body and a second through-hole body 17 is provided on the second header plate 16, an inner end of the second header plate 16 is provided to be coupled with the second bending plate 15 and the second through-hole body 17 is provided as a circular hole-shaped body.
Through second end board 16, formed the support connection point to second bent plate 15, by second end board 16, realized being connected with second bent plate 15, by second through-hole body 17, realized being connected with the cable, its technical aim at: as a means for making a connection to a cable located at the neutral point of the power system or to a cable located at the earth system.
In the present embodiment, the angle between the first bending plate 12 and the intermediate plate 11 and the angle between the second bending plate 15 and the intermediate plate 11 are set to 105-.
The technical purpose is as follows: through the zigzag distribution of the middle plate 11, the first bending plate 12, the first end plate 13, the second bending plate 15 and the second end plate 16, the heat dissipation efficiency of the middle plate 11 is improved.
In this embodiment, the middle plate 11 and the first bending plate 12, the first end plate 13, the second bending plate 15 and the second end plate 16 are arranged to be distributed in a staggered end connection manner, the middle plate 11 and the first end plate 13 and the first bending plate 12 are arranged to be distributed in a zigzag manner, and the middle plate 11 and the second end plate 16 and the second bending plate 15 are arranged to be distributed in a zigzag manner.
In one of the supporting examples of the first embodiment of the present invention, the angle between the first bending plate 12 and the intermediate plate 11 and the angle between the second bending plate 15 and the intermediate plate 11 are set to 105 °, respectively.
In a second embodiment of the present invention, the angle between the first bending plate 12 and the intermediate plate 11 and the angle between the second bending plate 15 and the intermediate plate 11 are set to 115 °.
In a third supporting example of the first embodiment of the present invention, the angle between the first bending plate 12 and the intermediate plate 11 and the angle between the second bending plate 15 and the intermediate plate 11 are set to 110 °, respectively.
A cable at the neutral point of the power system is connected to the first through hole 14, a cable at the earth system is connected to the second through hole 17, and a bent piece composed of the first header plate 13, the first bent plate 12, the intermediate plate 11, the second bent plate 15, and the second header plate 16 is used as a resistor.
The second embodiment of the present invention is specifically described with reference to the drawings, and includes a casting layer body, and the first groove body 18 and the second groove body 19 are respectively provided with a through-leakage window body, the casting layer body is disposed in the first groove body 18, the second groove body 19, and the through-leakage window bodies on the first groove body 18 and the second groove body 19, and the casting layer body is set as a condensate of copper liquid.
Through the casting layer body, formed the support connection point to intermediate plate 11, by the casting layer body, realized being connected with intermediate plate 11, its technical aim at: the flow capacity of the intermediate plate 11 is increased.
A second embodiment of the utility model integrates technical features on the strip in such a way that the flow area is extended.
In this embodiment, the technical features are integrated on the strip-shaped sheet in such a way that an extended flow area is achieved by providing the folds.
In this embodiment, the strip-shaped sheet is configured to include an intermediate plate 11, a first bending plate 12, a first header plate 13, a second bending plate 15, and a second header plate 16.
In this embodiment, a first accessory device is further included and disposed on the strip sheet, and the first accessory device is configured as a casting layer body.
A second embodiment of the utility model is based on the first embodiment.
The utility model has the following characteristics:
1. due to the fact that the strip pieces are designed, the neutral point of the electric power system is connected with the ground system through the strip pieces, the heat dissipation performance of the strip pieces is improved through extending the flow area, the temperature of the strip pieces is reduced, and therefore the effect of connecting the neutral point of the electric power system with the ground system is improved.
2. Due to the design of the middle plate 11, the first bending plate 12, the first end plate 13, the second bending plate 15 and the second end plate 16, the arrangement extending in a zigzag manner from the middle to both ends is realized.
3. Due to the design of the casting layer body, the arrangement of the double-composite conductive layer body is realized.
4. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the utility model, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.
5. Due to the design of the technical characteristics of the utility model, tests show that each performance index of the utility model is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the utility model has good market value through evaluation.
Other technical features which are the same as or similar to those of the strip-shaped strips extending the flow area are one of the embodiments of the present invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to meet the requirements of patent laws, patent practice rules and examination guidelines, all possible combinations of the technical features of the above-mentioned embodiments will not be described again.
Therefore, in the technical field of the resistor device for the neutral point of the power system, all technical contents including the strip-shaped pieces which are arranged on the cable at the neutral point of the power system or the cable at the earth system and distributed in a step body are within the protection scope of the utility model.
Claims (8)
1. A resistor arrangement for a neutral point of an electrical power system, characterized by: the cable-type transformer comprises strip-shaped sheets which are arranged on a cable positioned at a neutral point of an electric power system or a cable positioned at a ground system and distributed in a step body.
2. A resistor arrangement for a neutral point of an electric power system according to claim 1, characterized in that: the strip-shaped sheet comprises a middle plate (11), a first bending plate (12), a first end plate (13), a second bending plate (15) and a second end plate (16),
or, the first accessory device is arranged on the strip-shaped sheet and is set as the casting layer body.
3. A resistor arrangement for a neutral point of an electric power system according to claim 2, characterized in that: a first bending plate (12) is arranged between the first end plate (13) and the middle plate (11), and a second bending plate (15) is arranged between the second end plate (16) and the middle plate (11).
4. A resistor arrangement for a neutral point of an electric power system according to claim 3, characterized in that: the middle plate (11) is arranged to be a rectangular sheet-shaped body, a first groove body (18) and a second groove body (19) are arranged on the middle plate (11) respectively, one end of the middle plate (11) is arranged to be connected with the first bending plate (12) and the other end of the middle plate (11) is arranged to be connected with the second bending plate (15), the first groove body (18) and the second groove body (19) are arranged to be arc-shaped groove bodies respectively, the first groove body (18) and the second groove body (19) are arranged to extend and distribute along the transverse central line of the middle plate (11), and the first groove body (18) and the second groove body (19) are arranged to be symmetrically distributed along the transverse central line of the middle plate (11).
5. The resistor arrangement for a neutral point of an electric power system of claim 2, wherein: the first bending plate (12) is a sheet-shaped body distributed in a parallelogram shape, the inner end of the first bending plate (12) is connected with the middle plate (11), the outer end of the first bending plate (12) is connected with the first end plate (13),
or the first end plate (13) is a rectangular sheet-shaped body and a first through hole body (14) is arranged on the first end plate (13), the inner end of the first end plate (13) is coupled with the first bending plate (12) and the first through hole body (14) is a circular hole body,
or the second bending plate (15) is a sheet-shaped body distributed in a parallelogram shape, the inner end of the second bending plate (15) is connected with the middle plate (11), the outer end of the second bending plate (15) is connected with the second end plate (16),
or, the second end plate (16) is provided with a rectangular sheet body and a second through hole body (17) is arranged on the second end plate (16), the inner end of the second end plate (16) is coupled with the second bending plate (15) and the second through hole body (17) is provided with a circular hole body.
6. A resistor arrangement for a neutral point of an electric power system according to claim 2, characterized in that: the included angle between the first bending plate (12) and the middle plate (11) and the included angle between the second bending plate (15) and the middle plate (11) are respectively set to be 105 degrees and 115 degrees, and the first bending plate (12) and the second bending plate (15) are symmetrically distributed along the transverse center line of the middle plate (11).
7. A resistor arrangement for a neutral point of an electric power system according to any one of claims 1 to 6, characterized by: middle board (11) and first board (12) that bends, first end board (13), the second board (15) that bends and second end board (16) set up to distribute and middle board (11) and first end board (13) and first board (12) that bends set up to be the zigzag and distribute according to the mode of dislocation connection end, and middle board (11) and second end board (16) set up to be the zigzag with second board (15) that bends and distribute.
8. The resistor arrangement for a neutral point of an electric power system of claim 7, wherein: the first groove body (18) and the second groove body (19) are respectively provided with a through leakage window body, the casting layer body is arranged in the first groove body (18), the second groove body (19) and the through leakage window bodies positioned on the first groove body (18) and the second groove body (19), and the casting layer body is set to be a condensate of copper liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122126334.1U CN216719629U (en) | 2021-09-05 | 2021-09-05 | Resistor arrangement for neutral point of electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122126334.1U CN216719629U (en) | 2021-09-05 | 2021-09-05 | Resistor arrangement for neutral point of electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216719629U true CN216719629U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122126334.1U Active CN216719629U (en) | 2021-09-05 | 2021-09-05 | Resistor arrangement for neutral point of electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216719629U (en) |
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2021
- 2021-09-05 CN CN202122126334.1U patent/CN216719629U/en active Active
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