CN204761738U - Heating element and gas -insulated state analogue means - Google Patents
Heating element and gas -insulated state analogue means Download PDFInfo
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- CN204761738U CN204761738U CN201520440172.0U CN201520440172U CN204761738U CN 204761738 U CN204761738 U CN 204761738U CN 201520440172 U CN201520440172 U CN 201520440172U CN 204761738 U CN204761738 U CN 204761738U
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- gas
- heater element
- warehouse
- insulated state
- state simulation
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- 238000010438 heat treatment Methods 0.000 title abstract description 9
- 238000004088 simulation Methods 0.000 claims description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 description 47
- 229910018503 SF6 Inorganic materials 0.000 description 12
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 12
- 229960000909 sulfur hexafluoride Drugs 0.000 description 12
- 238000009413 insulation Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
Abstract
The utility model provides a heating element and gas -insulated state analogue means. Wherein, heating element is lengthy motion picture form, and heating element includes intermediate part and the U -shaped portion that links to each other with the both ends of intermediate part, and each U -shaped portion opening is all towards keeping away from the direction setting of intermediate part, the cross section of intermediate part have curved two sides, curved summit is located the central point of cross section with between curved centre point. This heating element has realized becoming focus with heating element's center.
Description
Technical field
The utility model relates to electric insulation field, more specifically, relates to a kind of heater element and gas-insulated state simulation device.
Background technology
Sulfur hexafluoride gas is widely used in the electric equipments such as GIS, circuit breaker, transformer as dielectric, and these equipment are called air insulating device.At present, how to judge still to belong to significant technology issues to the state of insulation of air insulating device inside, so the method finding Efficient Evaluation air insulating device built-in electrical insulation state is significant.
In prior art, by analyzing the catabolite of sulfur hexafluoride gas, the state of insulation of air insulating device can be judged.By analyzing the catabolite of sulfur hexafluoride gas, and then judge that the method for state of insulation of air insulating device has the advantages such as strong, the highly sensitive and accuracy of anti-external interference is good, be applicable to the Hidden fault with diagnosis air insulating device inside, and can position fault.
The research of the existing catabolite to sulfur hexafluoride gas, is all the qualification of gas and the solid decomposer produced in electric arc, spark and corona discharge for sulfur hexafluoride gas, and lacks the qualification to sulfur hexafluoride gas catabolite at high temperature.Such as foreign study mechanism in laboratory simulation the phenomenons such as the electric arc of air insulating device, spark and corona discharge, and the gas that produces is decomposed to sulfur hexafluoride gas and solid product is identified.In addition, some domestic colleges and universities and scientific research institution have also carried out initial characterization research to sulfur hexafluoride gas catabolite in the discharged condition, but be only confined to the simulation of single defect type, not to sulfur hexafluoride gas decomposition product carry out complete, systematically study, be difficult to practical application in air insulating device.
In existing body state of insulation analogue means, adopt copper pipe as heater element, and copper pipe is fixed in heating cabinet, its hollow copper tubing is fixed with spring in two ends, and middle with solid copper wire filling, hottest point design is at filling part.Hottest point is found not in its design part after overtesting, and at distance 10cm place, top.Therefore, how the center of heater element is become hottest point, become technical barrier urgently to be resolved hurrily at present.
Utility model content
The utility model aims to provide a kind of heater element and gas-insulated state simulation device, to realize the center of heater element to become hottest point.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of heater element, this heater element is lengthy motion picture shape, and the U-shaped portion that this heater element comprises pars intermedia and is connected with the two ends of pars intermedia, each U-shaped portion opening is all arranged towards the direction away from pars intermedia, and the cross section of pars intermedia has two sides of arc, and the summit of arc is between the central point and the centre point of arc of cross section.
Further, heater element is vertically symmetrical arranged along the first vertical section and second respectively, first vertical section and the second vertical section are all through central point, and the first vertical section is vertical with the length direction of heater element, and the second vertical section is vertical with the Width of heater element.
Further, two sides of U-shaped portion are plane, and two of U-shaped portion sides are all connected with the side of pars intermedia.
Further, heater element is copper sheet.
According to another aspect of the present utility model, additionally provide a kind of gas-insulated state simulation device, comprising: warehouse, form bin in warehouse, warehouse offers pore; Heater element, heater element is arranged in bin; And temperature detecting unit, temperature detecting unit is arranged on warehouse, for detecting the temperature of heater element.
Further, gas-insulated state simulation device also comprises multiple power supply terminal, and power supply terminal is arranged on warehouse, and heater element is connected with power supply terminal.
Further, warehouse comprises body and the first mounting panel, body offers the first opening, and the first mounting panel is arranged on the first opening part, and power supply terminal is arranged on the first mounting panel.
Further, gas-insulated state simulation device also comprises intake valve and vent valve, and intake valve is all connected with pore with vent valve.
Further, warehouse also comprises thermometric window, and temperature detecting unit is arranged on the position corresponding with thermometric window.
Further, gas-insulated state simulation device also comprises the air gauge for detecting the gas pressure intensity in bin, and air gauge is arranged on warehouse.
Further, warehouse comprises body and the second mounting panel, body offers the second opening, and the second mounting panel is arranged on the second opening part, and air gauge is arranged on the second mounting panel.
Further, warehouse is also provided with multiple calibrating terminal.
Further, heater element is copper pipe.
The utility model, by heater element is designed to lengthy motion picture shape, and by heater element being designed to the U-shaped portion comprising pars intermedia and be connected with the two ends of pars intermedia, thus achieving the center of heater element is become hottest point.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the vertical view of the heater element in the utility model;
Fig. 2 diagrammatically illustrates the vertical view of the gas-insulated state simulation device in the utility model; And
Fig. 3 diagrammatically illustrates the cutaway view of the gas-insulated state simulation device in the utility model.
Reference numeral in figure: 10, warehouse; 11, bin; 12, gas valve; 13, body; 14, the first mounting panel; 15, thermometric window; 16, the second mounting panel; 17, calibrating terminal end tab; 20, heater element; 30, power supply terminal; 40, intake valve; 50, vent valve; 131, the first opening; 132, the second opening; 133, the 3rd opening; 171, calibrating terminal; 172, calibrating terminal baffle.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
According to one side of the present utility model, provide a kind of heater element.As shown in Figure 1, this heater element is lengthy motion picture shape, and the U-shaped portion that this heater element comprises pars intermedia and is connected with the two ends of pars intermedia, each U-shaped portion opening is all arranged towards the direction away from pars intermedia, the cross section of pars intermedia has two sides of arc, and the summit of arc is between the central point and the centre point of arc of cross section.
The utility model, by heater element is designed to lengthy motion picture shape, and by heater element being designed to the U-shaped portion comprising pars intermedia and be connected with the two ends of pars intermedia, thus achieving the center of heater element is become hottest point.
Preferably, heater element is vertically symmetrical arranged along the first vertical section and second respectively, first vertical section and the second vertical section are all through central point, and the first vertical section is vertical with the length direction of heater element, and the second vertical section is vertical with the Width of heater element.Preferably, two sides of U-shaped portion are plane, and two of U-shaped portion sides are all connected with the side of pars intermedia.Heater element can be copper sheet, also can adopt other exothermic material, such as platinum etc.
According to another aspect of the present utility model, provide a kind of gas-insulated state simulation device, as shown in Figures 2 and 3, this gas-insulated state simulation device comprises: warehouse 10, forms bin 11, warehouse 10 offers gas valve 12 in warehouse 10; Heater element 20, heater element 20 is arranged in bin 11; And temperature detecting unit, temperature detecting unit is arranged on warehouse 10, for detecting the temperature of heater element 20.
Use gas-insulated of the present utility model to load analogue means to detect insulating gas catabolite at high temperature, and this gas-insulated is loaded analogue means and can be simulated real air insulating device, such as GIS device, can be applied directly to test result in the fault detect to air insulating device.When detecting, first in bin 11, insulating gas to be tested is filled with by gas valve 12, and make heater element 20 start heating, the temperature of temperature detecting unit to heater element 20 is utilized to detect, carry out sampling Detection from the gas in gas valve 12 pairs of bins 11 at a predetermined temperature, such as, detect the insulating properties etc. of this gas.Utilize gas-insulated to load analogue means to detect insulating gas catabolite at high temperature, the table of comparisons of an insulating gas catabolite at different temperatures to be tested can be obtained, and then obtain the operating temperature of air insulating device and the table of comparisons of this apparatus insulated property, carry out detecting to the fault of air insulating device with regard to realizing and predict like this.
Preferably, warehouse 10 entirety that gas-insulated loads analogue means can bear pressure 1 MPa, and can bear vacuum state, and the overall leakage rate of warehouse 10 is less than annual 0.5%.
Preferably, gas-insulated state simulation device also comprises multiple power supply terminal 30, and power supply terminal 30 is arranged on warehouse 10, and heater element 20 is connected with power supply terminal 30.Preferably, warehouse 10 comprises body 13 and the first mounting panel 14, and body 13 offers the first opening 131, first mounting panel 14 and be arranged on the first opening 131 place, power supply terminal 30 is arranged on the first mounting panel 14.Power supply terminal 30 external power supply, by powering to make heater element heat up to heater element 20.Preferably, the rated current of power supply terminal 30 external power supply is 2000 amperes.
Preferably, gas-insulated state simulation device also comprises intake valve 40 and vent valve 50, and intake valve 40 is all connected with gas valve 12 with vent valve 50.As depicted in figs. 1 and 2, gas-insulated state simulation device of the present utility model comprises two gas valves 12, and intake valve 40 can be connected with same gas valve 12 with vent valve 50, also can be connected with two gas valves 12 respectively.Preferably, intake valve 40 and vent valve 50 are electromagnetically operated valves.
Preferably, warehouse 10 also comprises thermometric window 15, and temperature detecting unit is arranged on the position corresponding with thermometric window 15.As depicted in figs. 1 and 2, gas-insulated state simulation device of the present utility model comprises two thermometric windows 15, the diverse location of two corresponding heater elements 20 of thermometric window 15 difference, such temperature detecting unit can be detected the temperature of the diverse location of heater element 20 by two different thermometric windows 15, improves the accuracy of temperature detection.
Preferably, gas-insulated state simulation device also comprises the air gauge 60 for detecting the gas pressure intensity in bin 11, and air gauge 60 is arranged on warehouse 10.Whether air gauge 60 can be used for detecting bin 11 and leaks gas.
Preferably, warehouse 10 comprises body 13 and the second mounting panel 16, and body 13 offers the second opening 132, second mounting panel 16 and be arranged on the second opening 132 place, air gauge 60 is arranged on the second mounting panel 16.As depicted in figs. 1 and 2, the second opening 132 diameter is comparatively large, can be undertaken operating by the parts in the second opening 132 pairs of bins 11 like this and adjust, such as, installing heater element 20.
Preferably, warehouse 10 is also provided with multiple calibrating terminal 171.Preferably, warehouse 10 comprises body 13 and calibrating terminal end tab 17, body 13 offers the 3rd opening 133, and calibrating terminal end tab 17 is arranged on the 3rd opening 133 place, and multiple calibrating terminal 171 is arranged on calibrating terminal end tab 17.Calibrating terminal 171 can other testers external, and such as voltmeter, ammeter etc., to detect heater element 20 or other elements to be tested.Or utilize calibrating terminal 171 to form the devices such as arc discharge end, to test insulating gas to be tested catabolite etc. under arc discharge state.Preferably, warehouse 10 is provided with altogether 8 calibrating terminals 171.Preferably, warehouse 10 also comprises calibrating terminal baffle 172, and calibrating terminal baffle 172 is arranged on the outside of calibrating terminal 171.
Preferably, heater element 20 is copper sheets.Preferably, heater element 20 is copper sheets.Red copper material copper content is higher, can not produce impurity in heating process, and what apply in the air insulating device of actual motion is also red copper material, therefore selects red copper material more can closing to reality situation as heater element 20.
Preferably, gas-insulated state simulation device adopts heat-resistant silicon rubber to seal.
The utility model additionally provides a kind of gas-insulated condition detection method, comprising: step 1, is filled with by gas to be tested in an airtight warehouse 10, is provided with heater element 20 in warehouse 10; Step 2, makes heater element 20 work, and detects the temperature of heater element 20; Step 3, when the temperature of heater element 20 reaches predetermined temperature, carries out sample analysis to the gas in warehouse 10.
The gas-insulated state simulation device that above-mentioned gas state of insulation detection method can apply the utility model to be provided realizes, and step comprises: in bin 11, be filled with gas to be tested by gas valve 12; Connect the power supply of heater element 20, and detected by the temperature of temperature detecting unit to heater element 20; When the temperature of heater element 20 reaches predetermined temperature, carry out sample analysis by the gas in gas valve 12 pairs of bins 11.
Preferably, gas to be tested is sulfur hexafluoride gas.Preferably, in bin 11 purity of sulfur hexafluoride gas higher than 99.99%.
Preferably, pressure during test in bin 11 is 0.1 MPa to 0.6 MPa.
By the detection method of above-mentioned gas state of insulation, under the state that can be in different temperatures at heater element 20, sample analysis is carried out to the catabolite of sulfur hexafluoride gas, by analyzing these gas, each attribute of these gases can be drawn, such as insulating properties, corrosivity and pressure etc., and then obtain the table of comparisons between the temperature of a heater element 20 and the attribute of insulating gas.Utilize the table of comparisons, staff by the operating temperature of test gas insulator arrangement, can judge the state of insulation of this equipment.Or by the catabolite of the insulating gas in test failure air insulating device, judge temperature when this equipment breaks down.
Therefore, market demand test obtained is in real air insulating device, be conducive to carrying out air insulating device state estimation and repair based on condition of component, to avoiding equipment breakdown to have important value, solving when there is no means of testing and go wrong after portion gas insulator arrangement runs and there is no the difficult problems such as counter-measure.Latency hidden danger can be detected simultaneously, by timely process, the up to ten million costs of repairs can be saved, avoid equipment breakdown, there is great economic and social benefit.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (12)
1. a heater element, it is characterized in that, described heater element (20) is in lengthy motion picture shape, and the U-shaped portion that described heater element (20) comprises pars intermedia and is connected with the two ends of described pars intermedia, each described U-shaped portion opening is all arranged towards the direction away from described pars intermedia, the cross section of described pars intermedia has two sides of arc, and the summit of described arc is between the central point and the centre point of described arc of described cross section.
2. heater element according to claim 1, it is characterized in that, described heater element (20) is vertically symmetrical arranged along the first vertical section and second respectively, described first vertical section and the second vertical section are all through described central point, described first vertical section is vertical with the length direction of described heater element (20), and described second vertical section is vertical with the Width of described heater element (20).
3. heater element according to claim 1, is characterized in that, two sides of described U-shaped portion are plane, and two of described U-shaped portion sides are all connected with the side of described pars intermedia.
4. heater element according to claim 1, is characterized in that, described heater element (20) is copper sheet.
5. a gas-insulated state simulation device, is characterized in that, comprising:
Warehouse (10), forms bin (11) in described warehouse (10), described warehouse (10) offers gas valve (12);
Heater element (20) according to any one of Claims 1-4, is arranged in described bin (11).
6. gas-insulated state simulation device according to claim 5, it is characterized in that, described gas-insulated state simulation device also comprises multiple power supply terminal (30), described power supply terminal (30) is arranged on described warehouse (10), and described heater element (20) is connected with described power supply terminal (30).
7. gas-insulated state simulation device according to claim 6, it is characterized in that, described warehouse (10) comprises body (13) and the first mounting panel (14), described body (13) offers the first opening (131), described first mounting panel (14) is arranged on described first opening (131) place, and described power supply terminal (30) is arranged on described first mounting panel (14).
8. gas-insulated state simulation device according to claim 5, it is characterized in that, described gas-insulated state simulation device also comprises intake valve (40) and vent valve (50), and described intake valve (40) is all connected with described gas valve (12) with described vent valve (50).
9. gas-insulated state simulation device according to claim 5, it is characterized in that, described warehouse (10) also comprises thermometric window (15) and temperature detecting unit, and described temperature detecting unit is arranged on the described warehouse (10) corresponding with described thermometric window (15).
10. gas-insulated state simulation device according to claim 5, it is characterized in that, described gas-insulated state simulation device also comprises the air gauge for detecting the gas pressure intensity in described bin (11), and described air gauge is arranged on described warehouse (10).
11. gas-insulated state simulation devices according to claim 10, it is characterized in that, described warehouse (10) comprises body (13) and the second mounting panel (16), described body (13) offers the second opening (132), described second mounting panel (16) is arranged on described second opening (132) place, and described air gauge is arranged on described second mounting panel (16).
12. gas-insulated state simulation devices according to claim 5, is characterized in that, described warehouse (10) is also provided with multiple calibrating terminal (171).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440172.0U CN204761738U (en) | 2015-06-24 | 2015-06-24 | Heating element and gas -insulated state analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440172.0U CN204761738U (en) | 2015-06-24 | 2015-06-24 | Heating element and gas -insulated state analogue means |
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| Publication Number | Publication Date |
|---|---|
| CN204761738U true CN204761738U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520440172.0U Active CN204761738U (en) | 2015-06-24 | 2015-06-24 | Heating element and gas -insulated state analogue means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914368A (en) * | 2015-06-24 | 2015-09-16 | 国家电网公司 | Heating element, gas insulation state simulation device and gas insulation state detection method |
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2015
- 2015-06-24 CN CN201520440172.0U patent/CN204761738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914368A (en) * | 2015-06-24 | 2015-09-16 | 国家电网公司 | Heating element, gas insulation state simulation device and gas insulation state detection method |
| CN104914368B (en) * | 2015-06-24 | 2018-04-03 | 国家电网公司 | Heater element, gas-insulated state simulation device and gas state of insulation detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |