CN218496721U - Composite stress aging equipment for composite insulator for laboratory - Google Patents
Composite stress aging equipment for composite insulator for laboratory Download PDFInfo
- Publication number
- CN218496721U CN218496721U CN202221330819.0U CN202221330819U CN218496721U CN 218496721 U CN218496721 U CN 218496721U CN 202221330819 U CN202221330819 U CN 202221330819U CN 218496721 U CN218496721 U CN 218496721U
- Authority
- CN
- China
- Prior art keywords
- composite
- voltage
- composite insulator
- laboratory
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a composite insulator composite stress aging equipment is used in laboratory, composite insulator composite stress aging equipment is used in laboratory includes but voltage regulation power module and quartz capsule, be provided with high-tension electrode and telluric electricity field on the quartz capsule, but voltage regulation power module respectively with high-tension electrode with telluric electricity field is connected, quartz capsule surface covering has the temperature control area, the intraductal nitric acid solution that is equipped with of quartz capsule, the thermometer has been placed to nitric acid solution. The utility model discloses can effectively simulate the ageing process when plug sample bears high pressure, high temperature, acid corrosion to the ageing characteristic of composite insulator plug under the multiple ageing stress of electricity, heat, power is conveniently explored.
Description
Technical Field
The utility model relates to a technical field of experiment check out test set especially relates to a composite insulator composite stress ageing equipment is used in laboratory.
Background
The composite insulator is a special insulating control and can play an important role in an overhead transmission line. The aging phenomenon of the composite insulator is that in the use process of the composite insulator, the insulation performance is gradually reduced due to the long-term action of the stress of an electric field, temperature, humidity, surrounding environment and the like, and the stable operation is easily influenced. However, at present, there is no apparatus for performing an aging test of a composite insulator plug, and therefore, the aging characteristics of the composite insulator plug cannot be known.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a composite insulator stress aging equipment is used in laboratory aims at solving the technical problem of how to simulate composite insulator plug ageing process.
For realizing above-mentioned purpose, this application embodiment provides a composite insulator composite stress aging equipment is used in laboratory, composite insulator composite stress aging equipment is used in laboratory includes but voltage regulation power module and quartz capsule, be provided with high voltage electrode and telluric electricity field on the quartz capsule, but voltage regulation power module respectively with high voltage electrode with telluric electricity field is connected, quartz capsule surface covering has the temperature control area, the intraductal nitric acid solution that is equipped with of quartz capsule, the thermometer has been placed to nitric acid solution.
In an embodiment of the present application, the voltage-adjustable power module includes power, voltage regulator and transformer, the first end of power with the first end of voltage regulator is connected, the second end of power with the second end of voltage regulator is connected, the first end of the primary winding of transformer with the control end of voltage regulator is connected, the second end of the primary winding of transformer with the second end of power is connected, the first end of the secondary winding of transformer with high voltage electrode connects, the second end of the secondary winding of transformer with telluric electricity field connects, the second end of power with the second end of the secondary winding of transformer all is connected with ground.
In an embodiment of the present application, a protection resistor and a filter capacitor are further connected in series between the voltage-adjustable power module and the high-voltage electrode.
In one embodiment of the present application, the power source is a 50Hz ac power source.
In one embodiment of the present application, a mandrel sample is placed between the high voltage electrode and the ground electrode.
The utility model discloses an above-mentioned scheme includes following beneficial effect at least and is:
the utility model can apply voltage to the core rod sample through the voltage-adjustable power module, the high-voltage electrode and the grounding electrode, thereby realizing the electrical aging process of the core rod sample; the heating of the nitric acid solution can be realized through the temperature control belt, so that the heating of the core rod sample is realized, and the thermal aging process of the core rod sample is realized; the core rod sample and the high-voltage electrode can be immersed in a nitric acid solution, so that the acid etching and aging process of the core rod sample is realized; therefore the utility model discloses can effectively simulate the ageing process when the plug sample bears high pressure, high temperature, acid corrosion to the ageing characteristic of composite insulator plug under the multiple ageing stress of electricity, heat, power is conveniently explored.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is the utility model relates to a laboratory is with compound stress aging equipment's of composite insulator structure sketch map.
Reference numerals: 1. a power source; 2. a voltage regulator; 3. a transformer; 4. a protection resistor; 5. a filter capacitor; 6. a temperature control zone; 7. a high voltage electrode; 8. a thermometer; 9. a nitric acid solution; 10. a ground electrode; 11. a quartz tube; 12. and (4) testing the core rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the embodiment of the utility model provides a this application embodiment provides a composite insulator composite stress aging equipment is used in laboratory, composite insulator composite stress aging equipment is used in laboratory includes adjustable voltage power module and quartz capsule 11, be provided with high voltage electrode 7 and telluric electricity field 10 on the quartz capsule 11, adjustable voltage power module respectively with high voltage electrode 7 with telluric electricity field 10 is connected, 11 surface coverings of quartz capsule have temperature control area 6, be equipped with nitric acid solution 9 in the quartz capsule 11, thermometer 8 has been placed to nitric acid solution 9.
In this embodiment, the temperature rise rate of the temperature control zone 6 is 60 ℃/min, and the temperature control precision reaches +/-1 ℃. The thermometer 8 can reflect the current heating temperature in real time.
When the simulation is started, experimenters pour a nitric acid solution 9 into a quartz tube 11, then put a core rod sample 12 of the composite insulator between a high-voltage electrode 7 and a grounding electrode 10, and a power supply 1 enables the high voltage to be formed between the high-voltage electrode 7 and the grounding electrode 10, so that voltage can be applied to the core rod sample 12, and the electrical aging process of the core rod sample 12 is realized; meanwhile, the heating of the nitric acid solution 9 is realized through the temperature control belt 6, and the core rod sample 12 is applied with high temperature and soaked in the nitric acid solution 9, so that the thermal aging process of the core rod sample 12 is realized; and can also dip into nitric acid solution 9 with plug sample 12 and high-voltage electrode 7, realize the acid etching ageing process of plug sample 12, the experimenter can pass through like this the utility model discloses explore the ageing characteristic of composite insulator plug under the multiple ageing stress of electricity, heat, power.
The utility model discloses can further set up to in a preferred example: the upper and lower portions of the quartz tube 11 are fixed by bolts, and the core rod sample 12 is fixed between the high voltage electrode 7 and the ground electrode 10.
In an embodiment, the voltage-adjustable power module includes a power source 1, a voltage regulator 2 and a transformer 3, a first end of the power source 1 is connected to a first end of the voltage regulator 2, a second end of the power source 1 is connected to a second end of the voltage regulator 2, a first end of a primary winding of the transformer 3 is connected to a control end of the voltage regulator 2, a second end of a primary winding of the transformer 3 is connected to a second end of the power source 1, a first end of a secondary winding of the transformer 3 is connected to the high-voltage electrode 7, a second end of a secondary winding of the transformer 3 is connected to the grounding electrode 10, and both the second end of the power source 1 and the second end of the secondary winding of the transformer 3 are connected to ground.
Wherein, the power supply 1 is a 50Hz alternating current power supply.
In one embodiment, a protection resistor 4 and a filter capacitor 5 are further connected in series between the voltage-adjustable power module and the high-voltage electrode 7.
From the above, the utility model discloses a voltage can be exerted to plug sample 12 through adjustable voltage power module, high voltage electrode 7 and earthed electrode 10, realize the electrical ageing process of plug sample 12; the heating of the nitric acid solution 9 can be realized through the temperature control belt 6, so that the heating of the core rod sample 12 is realized, and the thermal aging process of the core rod sample 12 is realized; the core rod sample 12 and the high-voltage electrode 7 can be immersed in the nitric acid solution 9, so that the acid etching and aging process of the core rod sample 12 is realized; therefore the utility model discloses can effectively simulate the ageing process when plug sample 12 bears high pressure, high temperature, acid corrosion to the ageing characteristic of composite insulator plug under the multiple ageing stress of electricity, heat, power is conveniently explored.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity/action/object from another entity/action/object without necessarily requiring or implying any actual such relationship or order between such entities/actions/objects; the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of other like elements in a process, method, article, or system comprising the element.
For the apparatus embodiment, since it is substantially similar to the method embodiment, it is described relatively simply, and reference may be made to some descriptions of the method embodiment for relevant points. The above-described apparatus embodiments are merely illustrative, in that elements described as separate components may or may not be physically separate. The purpose of the scheme of the utility model can be realized by selecting some or all modules according to actual needs. One of ordinary skill in the art can understand and implement it without inventive effort.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solution of the present invention essentially or the portions contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above, and includes a plurality of instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the same way in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a composite stress aging equipment of composite insulator is used in laboratory, its characterized in that, composite stress aging equipment includes but voltage regulation power module and quartz capsule for the laboratory, be provided with high-voltage electrode and telluric electricity field on the quartz capsule, but voltage regulation power module respectively with high-voltage electrode with telluric electricity field is connected, quartz capsule surface covering has the temperature control area, the quartz capsule is equipped with nitric acid solution in, the thermometer has been placed to nitric acid solution.
2. The composite stress aging device for the composite insulator for the laboratory according to claim 1, wherein the voltage-adjustable power module comprises a power supply, a voltage regulator and a transformer, the first end of the power supply is connected with the first end of the voltage regulator, the second end of the power supply is connected with the second end of the voltage regulator, the first end of the primary winding of the transformer is connected with the control end of the voltage regulator, the second end of the primary winding of the transformer is connected with the second end of the power supply, the first end of the secondary winding of the transformer is connected with the high-voltage electrode, the second end of the secondary winding of the transformer is connected with the grounding electrode, and the second end of the power supply and the second end of the secondary winding of the transformer are both connected with the ground.
3. The composite stress aging device for the composite insulator for the laboratory according to claim 1, wherein a protection resistor and a filter capacitor are further connected in series between the voltage-adjustable power module and the high-voltage electrode.
4. The composite stress aging device for the composite insulator for the laboratory according to claim 2, wherein the power supply is a 50Hz alternating current power supply.
5. The composite stress aging device for the composite insulator for the laboratory according to claim 1, wherein a core rod sample is placed between the high-voltage electrode and the grounding electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330819.0U CN218496721U (en) | 2022-05-30 | 2022-05-30 | Composite stress aging equipment for composite insulator for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330819.0U CN218496721U (en) | 2022-05-30 | 2022-05-30 | Composite stress aging equipment for composite insulator for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218496721U true CN218496721U (en) | 2023-02-17 |
Family
ID=85182216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221330819.0U Active CN218496721U (en) | 2022-05-30 | 2022-05-30 | Composite stress aging equipment for composite insulator for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218496721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092013A (en) * | 2023-10-19 | 2023-11-21 | 清华大学深圳国际研究生院 | Material ageing experimental device |
-
2022
- 2022-05-30 CN CN202221330819.0U patent/CN218496721U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092013A (en) * | 2023-10-19 | 2023-11-21 | 清华大学深圳国际研究生院 | Material ageing experimental device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Dao et al. | Effects of voltage harmonic on losses and temperature rise in distribution transformers | |
| CN218496721U (en) | Composite stress aging equipment for composite insulator for laboratory | |
| CN110568297A (en) | Composite insulation cross arm aging test system | |
| CN104035013A (en) | 500 KV electromagnetic voltage transformer alternating-current frequency-doubling withstand voltage test circuit and method | |
| CN108872676B (en) | A kind of substation bus bar duplex frequency voltage measuring device | |
| Du et al. | An investigation on discharge fault in buffer layer of 220 kV XLPE AC cable | |
| Sharif et al. | Analysis of electric field and current density on XLPE insulator | |
| CN109000825A (en) | A kind of cable and its terminal core temperature computation method containing harmonic current | |
| CN110487844B (en) | Method for evaluating temperature and insulation failure of power cable insulation layer | |
| CN202693622U (en) | Power transformer test connecting device | |
| Xie et al. | Experimental investigation of discharge path selectivity of a long air gap containing a floating conductor | |
| CN204832314U (en) | Measurement device for electric wire netting primary current | |
| CN110456243B (en) | Insulation sample direct current breakdown testing device | |
| Shen et al. | Electric fields distribution of EHV AC transmission line composite insulators with internal conductive defects | |
| Xiong et al. | Flashover and partial discharge characteristics of fiber of valve tower in converter station | |
| CN104076223A (en) | Electric transmission line large-current magnetic induction energy-extraction simulation test method and test coil thereof | |
| US2947926A (en) | Electrical apparatus employing dielectric fluids | |
| CN215953769U (en) | Pressure resistance tester | |
| CN220543036U (en) | Electric and thermal composite stress aging testing device for composite insulator | |
| CN114372722B (en) | Electrical performance evaluation method for typical knob insulator type power equipment under earthquake condition | |
| CN206696384U (en) | A kind of transformer turn-to-turn insulation transient state impacts cumulative effect pilot system | |
| CN104991106A (en) | Measurement method of power grid primary current and device thereof | |
| Ding et al. | Study on thermal circuit model of typical disconnector and current transformer | |
| Yu et al. | Research on finite element model of air-core reactor based on magnetic-thermal coupling simulation | |
| CN220961653U (en) | High-voltage sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |