CN205374658U - Cubical switchboard air analogue means that discharges - Google Patents
Cubical switchboard air analogue means that discharges Download PDFInfo
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- CN205374658U CN205374658U CN201521026841.6U CN201521026841U CN205374658U CN 205374658 U CN205374658 U CN 205374658U CN 201521026841 U CN201521026841 U CN 201521026841U CN 205374658 U CN205374658 U CN 205374658U
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- tank body
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- air
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 18
- 239000003546 flue gas Substances 0.000 claims description 18
- 230000008844 regulatory mechanism Effects 0.000 claims description 15
- 238000013022 venting Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000004088 simulation Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920005479 Lucite® Polymers 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a cubical switchboard air analogue means that discharges, the device includes: jar body, vacuum mechanism, humidity control mechanism, gaseous detection mechanism and be used for simulating the exoelectric needle - plate electrode of air, needle - plate electrode setting is in the internal portion of jar, vacuum mechanism with tank connection just communicates with each other, adjust at needs during the humidity of jar internal portion, humidity control mechanism with tank connection just communicates with each other, and with the jar bodily form becomes inclosed gas return path, detect at needs during the air discharge gas of jar internal portion, gaseous detection mechanism with tank connection just communicates with each other, and with the jar bodily form becomes inclosed gas return path. The utility model discloses a device can be used to the exoelectric simulation of air that insulating defect arouses in the cubical switchboard, provides a simple easy -to -use experiment platform for air in the research cubical switchboard discharges mechanism, decomposed gas volume property and change rule.
Description
Technical field
This utility model relates to switch cubicle technical field, particularly relates to a kind of switch cubicle atmospherical discharges analog.
Background technology
Switch cubicle is the entirety being assembled in its shell by the parts such as each equipment, bus, supports insulative, the switch cubicle closed is once there is accident, harm is generally serious than the opening-type equipment separated in the past, repair also want score from opening-type equipment complicated a lot, repair the time consumed also longer.Current switch cabinet product structure increasingly comes compact, and its built-in electrical insulation nargin reduces therewith, and premature insulator defect is difficult to outside cabinet to be therefore easily perceived by humans.
When inside switch cabinet exists insulation defect, shelf depreciation will be caused, and cause that the atmospherical discharges in switch cubicle decomposes, O can be generated3、NO、NO2、N2The gases such as O.The shelf depreciation energy caused due to insulation defect is different with frequency, thus causing that being reflected in inside switch cabinet air separation product there are differences.The kind of gas component, content and variation tendency in research switch cubicle, understand a kind of effective means of insulation defect in switch cubicle, to finding inside switch cabinet defect in time, adopt an effective measure avoid defect to develop further, to reduce switch cubicle interruption of service etc. significant.
In order to study characteristic and the Changing Pattern of the gas that atmospherical discharges produces in switch cubicle, it is necessary in the substantial amounts of simulation experiment of labs, set up the relatedness of decomposition gas and insulation defect.Accordingly, it would be desirable to the switch cubicle atmospherical discharges analog of a kind of use for laboratory, just become the important means utilizing air separation gas diagnosis switch cubicle insulation defect.
Summary of the invention
For solving the technical problem of existing existence, this utility model provides a kind of switch cubicle atmospherical discharges analog.
For reaching above-mentioned purpose, the technical scheme of this utility model embodiment is achieved in that
A kind of switch cubicle atmospherical discharges analog, described device includes: tank body, vacuum mechanism, humidity regulation mechanism, gas detecting mechanism and the needle to board electrode for simulated air electric discharge；Described needle to board electrode is arranged on described tank interior；Described vacuum mechanism is connected with described tank body and communicates；When needing the humidity regulating described tank interior, described humidity regulation mechanism is connected with described tank body and communicates, and forms airtight gas return path with described tank body；When needing the atmospherical discharges gas detecting described tank interior, described gas detecting mechanism is connected with described tank body and communicates, and forms airtight gas return path with described tank body.
Wherein, described humidity regulation mechanism includes: equipped with the hermetically sealed can of deionized water, the first conduit and circulation air pump；Described hermetically sealed can, circulation air pump, tank body are connected by described first conduit and are communicated, and forming airtight gas return path.
Wherein, described gas detecting mechanism includes: equipped with flue gas analyzer and second conduit of multiple gases sensor, described flue gas analyzer is connected with described tank body by described second conduit and is communicated, and forms the gas return path of sealing.
Wherein, the two side of described tank body is respectively arranged with air inlet and air vent, described air inlet is provided with the first pipeline, described first pipeline is provided with air inlet ball valve；Described air vent is provided with second pipe, described second pipe is provided with venting ball valve；Described circulation air pump is connected with described venting ball valve and communicates by the first conduit of described humidity regulation mechanism, and is connected with described air inlet ball valve by described hermetically sealed can and communicates；Or, in described gas detecting mechanism, the gas production mouth of flue gas analyzer connects described venting ball valve by described second conduit, and the air vent of described flue gas analyzer connects described air inlet ball valve by described second conduit.
Wherein, described first pipeline and described second pipe are stainless steel pipes.
Wherein, described vacuum mechanism includes vacuum pump and vacuum pump ball valve, and described vacuum pump ball valve is connected with the first pipeline of described tank body, and described vacuum pump is connected with described vacuum pump ball valve.
Wherein, described tank body includes barrel, upper flange and lower bottom base, the affixed described upper flange of upper end open of described barrel, the affixed described lower bottom base of lower ending opening of described barrel；Described needle to board electrode includes needle electrode and plate electrode, and described needle electrode is connected with outer lead by the through hole of described upper flange, and described plate electrode is connected with outer lead by the through hole of described lower bottom base.
Wherein, described upper flange is connected with the rustless steel sealing at described barrel upper end open place by O RunddichtringO and bolt.
Wherein, described device also includes: vacuum meter and/or Pressure gauge；Described vacuum meter is connected with described tank body, for detecting the vacuum of described tank interior and showing vacuum degree；Described Pressure gauge is connected with described tank body, for detecting the gas pressure of described tank interior and showing pressure value.
Wherein, described device also includes: thermometer, is arranged on the inside of described tank body, for detecting the temperature of described tank interior in real time.
This utility model provides a kind of switch cubicle atmospherical discharges analog, can be used for the simulation of the atmospherical discharges that insulation defect in switch cubicle causes, provide a kind of experiment porch easy to use for atmospherical discharges mechanism, decomposition gas character and Changing Pattern in research switch cubicle.Device of the present utility model can the atmospherical discharges that causes because of insulation defect of analog switch cabinet, provide effective experiment porch for inside switch cabinet defect diagonsis, the accuracy of simulation is high, and the precision of detection is high；Humidity regulation mechanism in this utility model device can analog switch cabinet inner air discharge scenario under different humidity environment really, improve accuracy and the degree of accuracy of simulation.Device of the present utility model is prone to build, and cost is low.
Accompanying drawing explanation
In accompanying drawing (it is not necessarily drawn to scale), similar accompanying drawing labelling can at parts similar described in different views.The similar reference numerals with different letter suffix can represent the different examples of similar component.Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.
Fig. 1 is the part composition structural scheme of mechanism of this utility model switch cubicle atmospherical discharges analog；
Fig. 2 is the composition structural scheme of mechanism of the gas detecting mechanism of this utility model switch cubicle atmospherical discharges analog.
Detailed description of the invention
As shown in Figure 1, 2, switch cubicle atmospherical discharges analog of the present utility model mainly can include tank body 11, vacuum mechanism 12, humidity regulation mechanism 13, gas detecting mechanism 14 and needle to board electrode 15.Wherein, needle to board electrode 15, for simulated air electric discharge, is arranged on described tank body 11 internal；Described vacuum mechanism 12 is connected with described tank body 11 and communicates；When needing to regulate the humidity within described tank body 11, described humidity regulation mechanism 13 is connected with described tank body 11 and communicates, and forms airtight gas return path with described tank body 11；When needing to detect the atmospherical discharges gas within described tank body 11, described gas detecting mechanism 14 is connected with described tank body 11 and communicates, and forms airtight gas return path with described tank body 11.
Wherein, tank body 11 includes barrel 111, upper flange 112, lower bottom base 113, and the material of barrel 111 is preferably lucite, the shape of barrel 111 can for internal diameter to be 30～35cm, thickness be 0.8～1cm, be highly the cylinder of 45～55cm.Upper flange 112 at the stainless steel of the affixed diameter in the upper end open place of barrel 111 to be 36～41cm, thickness be 0.8～1.5cm.Here, upper flange 112 can be connected with the sealing of the stainless steel that diameter 36～41cm, thickness are 0.8～1.5cm by O RunddichtringO and bolt, in order to ensure the sealing of described tank body 11.The affixed diameter of lower ending opening of barrel 111 is 36～41cm, thickness is the lower bottom base 112 of stainless steel of 0.8～1.5cm.
As it is shown in figure 1, the two side of barrel 111 is respectively arranged with air inlet and air vent, described air inlet is provided with the first pipeline 114, described first pipeline 114 is provided with air inlet ball valve 116；Described air vent is provided with second pipe 115, described second pipe 115 is provided with venting ball valve 117.Wherein, air inlet and air vent can be arranged on lower sidewall position, may each be the through hole that aperture is 1.5～2cm.First pipeline 114 all can adopt stainless steel pipes with described second pipe 115.One end of venting ball valve 117 is connected with air vent by second pipe 115, for controlling the discharge of tank body 11 internal gas.One end of air inlet ball valve 116 is connected with air inlet by the first pipeline 114, is used for controlling gas and flows into tank body 11 inside.
As it is shown in figure 1, vacuum mechanism 12 connects the air vent of tank body 11 by the first pipeline 114, for tank body 11 is carried out evacuation.Vacuum mechanism 12 includes vacuum pump 121 and vacuum pump ball valve 122, vacuum pump ball valve 122 connects the first pipeline 114, the bleeding point of described vacuum pump 121 connects described vacuum pump ball valve 122, the bleeding point of vacuum pump 121 connects the first pipeline 114 by vacuum pump ball valve 122, and then communicate with tank body 11, vacuum pump ball valve 122 is for controlling the break-make between vacuum pump 121 and tank body 11.
As it is shown in figure 1, the internal needle to board electrode 15 being arranged to simulated air electric discharge of tank body 11.Needle to board electrode 15 includes needle electrode 151 and plate electrode 152, and needle electrode 151 is connected with outer lead by the through hole of upper flange 112, and plate electrode 152 is connected with outer lead by the through hole of lower bottom base 113.The material of needle electrode 151 and plate electrode 152 can select brass material, and its surface is carried out good polishing.The spacing of needle electrode 151 and plate electrode 152 is 10mm, and the needle point end radius of curvature of needle electrode 151 is about 0.3mm, point angle 300 degree, the Bruce electrode that plate electrode 152 is diameter 120mm, thickness 10mm of ground connection.
As it is shown in figure 1, humidity regulation mechanism 13 includes circulation air pump 131, equipped with the hermetically sealed can 132 of deionized water and conduit 133.Time actually used, conduit 133 can be selected for plastic catheter.Described circulation air pump 131 is connected with described venting ball valve 117 and communicates by conduit 133, and described hermetically sealed can 132 is connected with described air inlet ball valve 116 and is communicated.So, one end of circulation air pump 131 is communicated by the air vent of described conduit 133, venting ball valve 117 and second pipe 115 with described tank body 11, the other end is communicated with described hermetically sealed can 132 by described conduit 133, and described hermetically sealed can 132 is communicated with the air inlet of described tank body 11 by described conduit 133, air inlet ball valve 116 and the first pipeline 114.During humidity regulation, plastic catheter 133 is connected respectively through with air inlet ball valve 116 and venting ball valve 117, and circulation air pump 131, hermetically sealed can 132 and tank body 11 equipped with deionized water are formed complete, airtight gas return path.Bleed by circulating air pump 131, make tank body 11 inner air flow out from steam vent, through the hermetically sealed can 133 equipped with deionized water, flow into tank body 11 then through air inlet, thus realizing the adjustment to tank body 11 inner air humidity.The internal drimeter that may be provided for detection air humidity of tank body 11, monitors humidity in real time.Once humidity meets requirement, namely close air inlet ball valve 116, venting ball valve 117 and circulation air pump 131.
As in figure 2 it is shown, gas detecting mechanism 14 includes the flue gas analyzer 141 equipped with multiple gases sensor and conduit 142.Conduit 142 can also adopt plastic catheter.Flue gas analyzer 151 can be used for detecting NO, NO of ppmv level2、O3, the various decomposition gases that produce of the atmospherical discharges such as CO.Flue gas analyzer 151 is internally provided with micro air pump.During detection tank body 11 inner air discharge gas, humidity regulation mechanism 13 is removed, change gas detecting mechanism 14, namely plastic catheter 152 is utilized to be connected with tank body 11 by flue gas analyzer 151 and form other airtight loops, wherein, the gas production mouth of flue gas analyzer 151 is connected with the venting ball valve 117 of tank body 11, and the air vent of flue gas analyzer 151 is connected with the air inlet ball valve 116 of tank body 11.During detection, open flue gas analyzer 151, utilize its inside micro air pump, make the atmospherical discharges gas within tank body 11 flow through flue gas analyzer 151 to detect, it is internal that gas after detection flows back to tank body 11 through the air inlet of tank body 11 again, ensure that atmospherical discharges simulation experiment maintains same pressure and carries out, it is to avoid during detection, the loss of gas causes that tank body 11 internal pressure declines.
As it is shown in figure 1, device of the present utility model also includes vacuum meter 16 and Pressure gauge 17, it is respectively and fixedly installed on second pipe 115.Vacuum meter 16 for detecting tank body 11 internal vacuum in real time and showing that vacuum degree is checked at any time for experimenter when evacuation；Pressure gauge 17 for detecting tank body 11 air pressure inside in real time and showing that atmospheric pressure value is checked for experimenter in the process to tank body 11 inner inflatable so that experimenter understands whether the gas pressure in tank body 11 meets requirement of experiment in real time.
Device of the present utility model can be used for the simulation of the atmospherical discharges that insulation defect in switch cubicle causes, and provides a kind of experiment porch easy to use for atmospherical discharges mechanism, decomposition gas character and Changing Pattern in research switch cubicle.Device of the present utility model can the atmospherical discharges that causes because of insulation defect of analog switch cabinet, provide effective experiment porch for inside switch cabinet defect diagonsis, the accuracy of simulation is high, and the precision of detection is high；Humidity regulation mechanism in this utility model device can analog switch cabinet inner air discharge scenario under different humidity environment really, improve accuracy and the degree of accuracy of simulation.Device of the present utility model is prone to build, and cost is low.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.
Claims (13)
1. a switch cubicle atmospherical discharges analog, it is characterised in that described device includes: tank body, vacuum mechanism, humidity regulation mechanism, gas detecting mechanism and the needle to board electrode for simulated air electric discharge；
Described needle to board electrode is arranged on described tank interior；
Described vacuum mechanism is connected with described tank body and communicates；
When needing the humidity regulating described tank interior, described humidity regulation mechanism is connected with described tank body and communicates, and forms airtight gas return path with described tank body；
When needing the atmospherical discharges gas detecting described tank interior, described gas detecting mechanism is connected with described tank body and communicates, and forms airtight gas return path with described tank body.
2. device according to claim 1, it is characterised in that described humidity regulation mechanism includes: equipped with the hermetically sealed can of deionized water, the first conduit and circulation air pump；Described hermetically sealed can, circulation air pump, tank body are connected by described first conduit and are communicated, and forming airtight gas return path.
3. device according to claim 1, it is characterised in that described humidity regulation mechanism includes: equipped with the hermetically sealed can of deionized water, the first conduit and circulation air pump；Described hermetically sealed can, circulation air pump, tank body are connected by described first conduit and are communicated, and forming airtight gas return path；
The two side of described tank body is respectively arranged with air inlet and air vent, described air inlet is provided with the first pipeline, described first pipeline is provided with air inlet ball valve；Described air vent is provided with second pipe, described second pipe is provided with venting ball valve；
Described circulation air pump is connected with described venting ball valve and communicates by the first conduit of described humidity regulation mechanism, and is connected with described air inlet ball valve by described hermetically sealed can and communicates.
4. device according to claim 1, it is characterized in that, described gas detecting mechanism includes: equipped with flue gas analyzer and second conduit of multiple gases sensor, described flue gas analyzer is connected with described tank body by described second conduit and is communicated, and forms the gas return path of sealing.
5. device according to claim 1, it is characterized in that, described gas detecting mechanism includes: equipped with flue gas analyzer and second conduit of multiple gases sensor, described flue gas analyzer is connected with described tank body by described second conduit and is communicated, and forms the gas return path of sealing；
The two side of described tank body is respectively arranged with air inlet and air vent, described air inlet is provided with the first pipeline, described first pipeline is provided with air inlet ball valve；Described air vent is provided with second pipe, described second pipe is provided with venting ball valve；
In described gas detecting mechanism, the gas production mouth of flue gas analyzer connects described venting ball valve by described second conduit, and the air vent of described flue gas analyzer connects described air inlet ball valve by described second conduit.
6. device according to claim 3, it is characterised in that described first pipeline and described second pipe are stainless steel pipes.
7. device according to claim 5, it is characterised in that described first pipeline and described second pipe are stainless steel pipes.
8. device according to claim 3, it is characterised in that described vacuum mechanism includes vacuum pump and vacuum pump ball valve, and described vacuum pump ball valve is connected with the first pipeline of described tank body, and described vacuum pump is connected with described vacuum pump ball valve.
9. device according to claim 5, it is characterised in that described vacuum mechanism includes vacuum pump and vacuum pump ball valve, and described vacuum pump ball valve is connected with the first pipeline of described tank body, and described vacuum pump is connected with described vacuum pump ball valve.
10. device according to claim 1, it is characterised in that
Described tank body includes barrel, upper flange and lower bottom base, the affixed described upper flange of upper end open of described barrel, the affixed described lower bottom base of lower ending opening of described barrel；
Described needle to board electrode includes needle electrode and plate electrode, and described needle electrode is connected with outer lead by the through hole of described upper flange, and described plate electrode is connected with outer lead by the through hole of described lower bottom base.
11. device according to claim 10, it is characterised in that described upper flange is connected with the rustless steel sealing at described barrel upper end open place by O RunddichtringO and bolt.
12. the device according to any one of claim 1 to 11, it is characterised in that described device also includes: vacuum meter and/or Pressure gauge；Described vacuum meter is connected with described tank body, for detecting the vacuum of described tank interior and showing vacuum degree；Described Pressure gauge is connected with described tank body, for detecting the gas pressure of described tank interior and showing pressure value.
13. the device according to any one of claim 1 to 11, it is characterised in that described device also includes: thermometer, it is arranged on the inside of described tank body, for detecting the temperature of described tank interior in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026841.6U CN205374658U (en) | 2015-12-11 | 2015-12-11 | Cubical switchboard air analogue means that discharges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026841.6U CN205374658U (en) | 2015-12-11 | 2015-12-11 | Cubical switchboard air analogue means that discharges |
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| Publication Number | Publication Date |
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| CN205374658U true CN205374658U (en) | 2016-07-06 |
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| CN201521026841.6U Active CN205374658U (en) | 2015-12-11 | 2015-12-11 | Cubical switchboard air analogue means that discharges |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646162A (en) * | 2016-12-16 | 2017-05-10 | 河北省机电体化中试基地 | High voltage switch cabinet cable partial discharge monitoring simulation system |
| CN107831419A (en) * | 2017-10-27 | 2018-03-23 | 广东电网有限责任公司电力科学研究院 | Analogy method, analogue means and the automatic simulation system of shelf depreciation production acid |
| CN115078931A (en) * | 2022-06-17 | 2022-09-20 | 广西电网有限责任公司南宁供电局 | Free metal particle defect simulation experiment method in air type switch cabinet |
-
2015
- 2015-12-11 CN CN201521026841.6U patent/CN205374658U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646162A (en) * | 2016-12-16 | 2017-05-10 | 河北省机电体化中试基地 | High voltage switch cabinet cable partial discharge monitoring simulation system |
| CN106646162B (en) * | 2016-12-16 | 2020-06-19 | 河北省机电一体化中试基地 | High tension switchgear cable partial discharge monitoring analog system |
| CN107831419A (en) * | 2017-10-27 | 2018-03-23 | 广东电网有限责任公司电力科学研究院 | Analogy method, analogue means and the automatic simulation system of shelf depreciation production acid |
| CN107831419B (en) * | 2017-10-27 | 2020-09-01 | 广东电网有限责任公司电力科学研究院 | Simulation method, simulation device and automatic simulation system for acid production by partial discharge |
| CN115078931A (en) * | 2022-06-17 | 2022-09-20 | 广西电网有限责任公司南宁供电局 | Free metal particle defect simulation experiment method in air type switch cabinet |
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| C14 | Grant of patent or utility model | ||
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Address after: Longhua District of Hainan city in Haikou province 570311 Hai posterior No. 23 Patentee after: Hainan Electric Power Grid Co., Ltd. Electric Power Research Institute Address before: Building Letter No. 123-8 Binhai Road 570105 Hainan city of Haikou province 13 Patentee before: Hainan Power Technology Research Institute |