CN212008802U - Test model for quickly setting partial discharge in gas insulated switch cavity - Google Patents
Test model for quickly setting partial discharge in gas insulated switch cavity Download PDFInfo
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- CN212008802U CN212008802U CN202020127176.4U CN202020127176U CN212008802U CN 212008802 U CN212008802 U CN 212008802U CN 202020127176 U CN202020127176 U CN 202020127176U CN 212008802 U CN212008802 U CN 212008802U
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Abstract
A local discharge test model is quickly arranged in a gas insulated switch cavity, a clamping ring is sleeved on a guide rod in the gas insulated switch cavity, the clamping ring consists of a clamping part and a clamping part, the clamping part is connected to the side surface of the clamping ring and extends outwards along the radial direction of the clamping ring, and the clamping part is connected to a shaping die; the buckle component I and the buckle component II are detachably connected, and the buckle component is inserted into the buckle component to form a buckle; the snap ring is formed by connecting more than or equal to 3 sections of circular arcs end to end. The utility model discloses an above-mentioned structure provides a convenient to use, simple structure, low cost's discharge test model.
Description
Technical Field
The utility model belongs to transformer field and measurement test field, concretely relates to be used for setting up partial discharge test model in the gas insulated switchgear cavity fast.
Background
The partial discharge is a discharge phenomenon caused by the breakdown of a local area in an insulating medium, is a main cause of insulation degradation, is an important sign and expression form of the insulation degradation, is closely related to the degradation of an insulating material and the breakdown process of an insulator, and can effectively reflect latent defects and faults of the internal insulation of equipment. Partial discharge state detection has become one of the most important operation and maintenance means for high voltage power equipment such as Gas Insulated Switch (GIS).
Because of the difficulties faced in performing partial discharge tests on site, it is a cost effective method to specifically simulate the defects present in an actual GIS cavity in a laboratory. Typical partial discharge defects arranged in a general GIS cavity include needle point (spike), particle, free metal particle and other models, and the models can simulate actual partial discharge types to a certain extent. When the existing partial discharge test model is used, the customized model cannot be simply and quickly replaced, the operation is inconvenient, the experiment efficiency is low, multiple experimental devices need to be equipped for different customized models and experimental projects, and the experiment cost is high.
Disclosure of Invention
For overcoming the problem that exists among the correlation technique, the utility model provides a be used for setting up partial discharge test model in the gas insulated switchgear cavity fast, arrange the complicacy in order to solve present gas insulated switchgear cavity partial discharge defect, change the problem of difficulty.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides a be used for gas insulated switchgear cavity internal quick set partial discharge test model which characterized in that: a clamping ring is sleeved on the guide rod in the gas insulation switch cavity, the clamping ring consists of a clamping part I and a clamping part II, the clamping part I is connected to the side surface of the clamping ring and extends outwards along the radial direction of the clamping ring, and the clamping part II is connected to the shaping die; the buckle component I is detachably connected with the buckle component II, and the buckle component II is inserted into the buckle component I to form a buckle; the snap ring is formed by connecting more than or equal to 3 sections of circular arcs end to end.
The 3 sections of circular arcs are respectively a circular arc I, a circular arc II and a circular arc III; the arc I and the arc II are connected end to form a major arc; the radian of the two ends of the circular arc I and the circular arc II which are separated from each other is smaller than that of the circular arc III.
The radian of the arc III is larger than the radian of the two ends of the arc I and the arc II which are 1mm-3mm away from each other.
One end of the buckle part I facing the buckle part II is provided with a socket, and two side walls of the socket are provided with positioning holes; a plug-in is arranged in one end of the buckle component II facing the buckle component I, and positioning protrusions are arranged on two side faces of the plug-in; the buckle part II is inserted into the buckle part I, and the positioning protrusion is opposite to the positioning hole and extends out of the positioning hole.
The utility model has the advantages that:
1) the partial discharge model in the GIS cavity is convenient and rapid to arrange, and the setting efficiency of the model is improved;
2) the replacement speed of different models is improved, and the test efficiency is improved;
3) the partial discharge model has a uniform interface, so that the repeatability of the test result can be effectively guaranteed, and the human error in the process of replacing the model is eliminated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of fig. 1.
Fig. 3 is a schematic view of the structure of the snap ring and the buckle of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Where the description refers to the accompanying drawings, the same numbers in different drawings represent the same or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
A test model for quickly setting partial discharge in a gas insulated switch cavity is characterized in that a clamping ring 2 is sleeved on a guide rod 1 in the gas insulated switch cavity, a clamping buckle 3 consists of a clamping buckle component I3-1 and a clamping buckle component II3-2, the clamping buckle component I3-1 is connected to the side face of the clamping ring 2 and extends outwards along the radial direction of the clamping ring 2, and the clamping buckle component II3-2 is connected to a shaping mold 4; the buckle component I3-1 is detachably connected with the buckle component II3-2, and the buckle component II3-2 is inserted into the buckle component I3-1 to form a buckle 3; the snap ring 2 is formed by connecting more than or equal to 3 sections of circular arcs end to end.
One end of the buckle part I3-1 facing the buckle part II3-2 is provided with a socket, and two side walls of the socket are provided with positioning holes; an insert is arranged in one end, facing the buckle part I3-1, of the buckle part II3-2, and positioning protrusions are arranged on two side faces of the insert; the buckle part II3-2 is inserted into the buckle part I3-1, and the positioning protrusion is opposite to the positioning hole and extends out of the positioning hole. Thus, a quick change of the shaping die 4 can be achieved.
The 3 sections of circular arcs are respectively a circular arc I2-1, a circular arc II2-2 and a circular arc III 2-3; the arc I2-1 and the arc II2-2 are connected end to form a major arc; the radian of the two ends of the circular arc I2-1 and the circular arc II2-2 which are separated from each other is smaller than that of the circular arc III 2-3.
The radian of the arc III2-3 is larger than that of the two ends of the arc I2-1 and the arc II2-2, which are separated by 1mm-3 mm. When the circular arc I-2-1 and the circular arc II-2-2 are aligned at the position of the guide rod 1 to be installed, and then the circular arc III2-3 is inserted between the circular arc I-2-1 and the circular arc II-2-2, because the size of the circular arc III2-3 is larger than the radian of the two ends of the circular arc I2-1 and the circular arc II-2-2 which are separated, the three circular arcs are mutually extruded and stressed, and the whole circular ring structure is fixedly formed. And adjusting the position of the clamping ring 2 on the guide rod 1 so as to adjust the distance between the shaping mold 4 and the insulator 5 in the cavity.
Claims (4)
1. The utility model provides a be used for gas insulated switchgear cavity internal quick set partial discharge test model which characterized in that: a clamping ring (2) is sleeved on a guide rod (1) in a gas insulation switch cavity, a buckle (3) is composed of a buckle component I (3-1) and a buckle component II (3-2), the buckle component I (3-1) is connected to the side face of the clamping ring (2) and extends outwards along the radial direction of the clamping ring (2), and the buckle component II (3-2) is connected to a shaping mold (4); the buckle component I (3-1) is detachably connected with the buckle component II (3-2), and the buckle component II (3-2) is inserted into the buckle component I (3-1) to form a buckle (3); the snap ring (2) is formed by connecting more than or equal to 3 sections of circular arcs end to end.
2. The model of claim 1, wherein the model is used for testing the rapid setting of the partial discharge in the gas insulated switch cavity, and comprises: the 3 sections of circular arcs are respectively a circular arc I (2-1), a circular arc II (2-2) and a circular arc III (2-3); the arc I (2-1) and the arc II (2-2) are connected end to form a major arc; the radian of the two ends of the arc I (2-1) and the arc II (2-2) which are separated from each other is smaller than that of the arc III (2-3).
3. The model of claim 2, wherein the model is used for testing the rapid setting of the partial discharge in the gas insulated switch cavity, and comprises: the radian of the arc III (2-3) is larger than the radians of the two ends of the arc I (2-1) and the arc II (2-2) which are separated by 1mm-3 mm.
4. The model of claim 1, wherein the model is used for testing the rapid setting of the partial discharge in the gas insulated switch cavity, and comprises: one end of the buckle part I (3-1) facing the buckle part II (3-2) is provided with a socket, and two side walls of the socket are provided with positioning holes; one end of the buckle component II (3-2) facing the buckle component I (3-1) is internally provided with an insert, and two side surfaces of the insert are provided with positioning protrusions; the buckle part II (3-2) is inserted into the buckle part I (3-1), and the positioning protrusion is opposite to the positioning hole and extends out of the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020127176.4U CN212008802U (en) | 2020-01-20 | 2020-01-20 | Test model for quickly setting partial discharge in gas insulated switch cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020127176.4U CN212008802U (en) | 2020-01-20 | 2020-01-20 | Test model for quickly setting partial discharge in gas insulated switch cavity |
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| Publication Number | Publication Date |
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| CN212008802U true CN212008802U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020127176.4U Active CN212008802U (en) | 2020-01-20 | 2020-01-20 | Test model for quickly setting partial discharge in gas insulated switch cavity |
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| CN (1) | CN212008802U (en) |
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2020
- 2020-01-20 CN CN202020127176.4U patent/CN212008802U/en active Active
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