CN206656893U - A kind of six-component force balance gas automatic on-line sampling apparatus - Google Patents
A kind of six-component force balance gas automatic on-line sampling apparatus Download PDFInfo
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- CN206656893U CN206656893U CN201620999332.XU CN201620999332U CN206656893U CN 206656893 U CN206656893 U CN 206656893U CN 201620999332 U CN201620999332 U CN 201620999332U CN 206656893 U CN206656893 U CN 206656893U
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Abstract
The utility model discloses a kind of six-component force balance gas automatic on-line sampling apparatus, including：Compression module, vavuum pump and waste gas bottle；Compression module includes：Compressor, air accumulator and the first pipeline；Compressor is connected by the first pipeline with air accumulator；Compression module is connected by the first pipeline and the second pipeline；Vavuum pump and waste gas bottle are directly connected to；Vavuum pump is connected by the first pipeline with another second pipeline, and the first pipeline between vavuum pump and another second pipeline is provided with switch valve；Another second pipeline is connected by the first pipeline with gas compartment, and the first pipeline between another second pipeline and gas compartment is provided with switch valve；Second pipeline is connected with another second pipeline by the first pipeline, and the first pipeline is provided with switch valve between the second pipeline and another second pipeline；Second pipeline is connected with another second pipeline by another first pipeline, and another first pipeline between the second pipeline and another second pipeline is provided with proportioning valve；Wherein, the specification of the second pipeline is more than the specification of the first pipeline.
Description
Technical field
It the utility model is related to insulation of electrical installation gas sampling assembly field, more particularly to a kind of six-component force balance gas
Body automatic on-line sampling apparatus.
Background technology
With developing rapidly for power industry, sulfur hexafluoride electrical equipment quantity is on the increase.Electric arc, spark discharge,
Under the factors such as high temperature, sulfur hexafluoride gas easily ionizes decomposition, and its catabolite occurs anti-with the moisture in electrical equipment, oxygen
Should, generate SO2、H2S, the acidic materials such as HF, and SF4、 SOF2、SF2、SO2F2The material extremely strong etc. toxicity and corrosivity.Cause
This, the quality testing to sulfur hexafluoride becomes more and more important.
Sulfur hexafluoride air cell typically only one in current electrical equipment takes stomata, and sulfur hexafluoride is being examined online
During survey, typically the detection probe of detector is installed on and taken on stomata, for detecting one or two kind of characteristic gas composition
Composition.
Only have one yet with sulfur hexafluoride air cell and take stomata, can due to dead volume existing at air chamber air hatch and
The problems such as gas circulation in air hatch and sulfur hexafluoride air cell is poor is regular to there is sampling representativeness deficiency, the reality of instrument
It is relatively low with property.
Utility model content
The utility model embodiment discloses a kind of six-component force balance gas automatic on-line sampling apparatus, including：Compression
Module, compression module are connected by pipeline with air chamber.The compression module of the device includes：Compressor, air accumulator and the first pipeline,
Compressor, connected by the first pipeline with air accumulator, realize and the gas in monotrysian type sulfur hexafluoride air cell is carried out repeatedly
Sample and recharge, improve the sampling representativeness of device, and improve to sulfur hexafluoride electrical equipment insulating gas it is automatic
The frequency and ageing of line detection.
The utility model embodiment provides a kind of six-component force balance gas automatic on-line sampling apparatus, including：Compression
Module, vavuum pump and waste gas bottle；
Compression module includes：Compressor, air accumulator and the first pipeline；
Compressor is connected by the first pipeline with air accumulator；
Compression module is connected by the first pipeline and the second pipeline；
Vavuum pump and waste gas bottle are directly connected to；
Vavuum pump is connected by the first pipeline with another second pipeline, the first pipe between vavuum pump and another second pipeline
Road is provided with switch valve；
Another second pipeline is connected by the first pipeline with gas compartment, the first pipe between another second pipeline and gas compartment
Road is provided with switch valve；
Second pipeline is connected with another second pipeline by the first pipeline, first between the second pipeline and another second pipeline
Pipeline is provided with switch valve；
Second pipeline is connected with another second pipeline by another first pipeline, between the second pipeline and another second pipeline
Another first pipeline be provided with proportioning valve；
Wherein, the specification of the second pipeline is more than the specification of the first pipeline.
Preferably, six-component force balance gas automatic on-line sampling apparatus also includes：Gas analyzer；
Gas analyzer is connected by the first pipeline and the second pipeline, the first pipe between gas analyzer and the second pipeline
Road is provided with switch valve.
Preferably, six-component force balance gas automatic on-line sampling apparatus also includes：Pressure gauge；
Pressure gauge is connected by the first pipeline and the second pipeline.
Preferably, six-component force balance gas automatic on-line sampling apparatus also includes：Automatic control system.
Preferably, gas compartment includes：Sulfur hexafluoride air cell and gas room.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
The utility model embodiment provides a kind of six-component force balance gas automatic on-line sampling apparatus and realized to list
Gas in cellular type sulfur hexafluoride air cell carries out multiple sampling with recharging, and improves the sampling representativeness of device, and improve
The frequency that is detected to the automatic on-line of sulfur hexafluoride electrical equipment insulating gas and ageing.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of knot of the six-component force balance gas automatic on-line sampling apparatus provided in the utility model embodiment
Structure schematic diagram；
Fig. 2 is that a kind of six-component force balance gas automatic on-line sampling apparatus provided in the utility model embodiment is in
Vacuumize the schematic diagram of state；
Fig. 3 is that a kind of six-component force balance gas automatic on-line sampling apparatus provided in the utility model embodiment is in
The schematic diagram of sample collection state；
Fig. 4 is that a kind of six-component force balance gas automatic on-line sampling apparatus provided in the utility model embodiment is in
The schematic diagram of gas refill state；
Fig. 5 is that a kind of six-component force balance gas automatic on-line sampling apparatus provided in the utility model embodiment is in
The schematic diagram of sample analysis state.
Wherein, marked in figure as described below：
1. the gas room 4 of one 2. sulfur hexafluoride air cell of sulfur hexafluoride air cell 2 3., the ratio switch valve of 5. second pipeline 6.
7. the pipeline V1 of 12. waste gas bottle of air gauge 8. gas analyzer, 9. air accumulator, 10. compressor, 11. vavuum pump 13. first~
V6. switch valve
Embodiment
The utility model embodiment discloses a kind of six-component force balance gas automatic on-line sampling apparatus, including：Compression
Module, the compression module that compression module connects the device by pipeline with air chamber include：Compressor, air accumulator and the first pipeline,
Compressor, connected by the first pipeline with air accumulator, realize and the gas in monotrysian type sulfur hexafluoride air cell is carried out repeatedly
Sample and recharge, improve the sampling representativeness of device, and improve to sulfur hexafluoride electrical equipment insulating gas it is automatic
The frequency and ageing of line detection.
Fig. 1 to Fig. 5 is referred to, a kind of six-component force balance gas automatic on-line provided in the utility model embodiment is adopted
One embodiment of sampling device includes：Compression module；
In the present embodiment, open mode is in when switch valve V1~V6 in figure is white, in closing when being dark
State；Fine rule in figure is the specification identical pipeline with the first pipeline 13, and it is no longer repeated in device annexation,
Compared to the first pipeline 13, the second pipeline 4 and 5 is the larger pipeline of specification.
Compression module includes：Compressor 10, the pipeline 13 of air accumulator 9 and first, air accumulator 9 are used for the sulfur hexafluoride of collection
Gas temporarily stores, to prevent its unordered discharge influence to caused by environment；Compressor 10 is used to return the gas in air accumulator
Fill back former sulfur hexafluoride air cell, but perform when recharging function, vavuum pump and compressor are run simultaneously, are greatly improved time of gas
Fill rate；
Compressor 10 is connected by the first pipeline 13 and air accumulator 9.
Compression module is connected by the first pipeline and the second pipeline 5.
A kind of six-component force balance gas automatic on-line sampling apparatus also includes disclosed in the present embodiment：Gas analyzer 8；
Gas analyzer 8 is connected by the first pipeline and the second pipeline 5, and between the pipeline 5 of gas analyzer 8 and second
One pipeline is provided with switch valve V4.
A kind of six-component force balance gas automatic on-line sampling apparatus also includes disclosed in the present embodiment：Automatically control and be
System.
A kind of six-component force balance gas automatic on-line sampling apparatus also includes disclosed in the present embodiment：Pressure gauge 7, is used for
The start and stop of compressor 10 and vavuum pump 11 are controlled, when device execution vacuumizes and recharges function, when the pressure value in pipeline reaches
During to predetermined value, pressure gauge 7 provides signals to automatic control system, while automatic control system control compressor 10 and vavuum pump
11 start and stop；
Pressure gauge 7 is connected by the first pipeline and the second pipeline 5.
A kind of six-component force balance gas automatic on-line sampling apparatus also includes disclosed in the present embodiment：Vavuum pump 11 and useless
Gas cylinder 12, vavuum pump 11 are used to be emptied the gas in former sampling apparatus, and the gas for ensureing to enter pipeline is target hexafluoro
Change the gas in sulphur air chamber, so as to ensure the representativeness of sample gas；Waste gas bottle 12 is used for the gas for storing vavuum pump exclusion, with
Prevent sulfur hexafluoride gas emptying to harm caused by environment and personnel；
Vavuum pump 11 and waste gas bottle 12 are directly connected to.
Vavuum pump 11 is connected by the first pipeline and another second pipeline 4, between vavuum pump 11 and another second pipeline 4
First pipeline is provided with switch valve V6.
Another second pipeline 4 is connected by the first pipeline with gas compartment, and gas compartment includes sulfur hexafluoride air cell 1,2 and mark
Air chamber 3, the first pipeline being connected with sulfur hexafluoride air cell 1 are provided with switch valve V1, to be connected with sulfur hexafluoride air cell 22
One pipeline is provided with switch valve V2, and the first pipeline being connected with gas room 3 is provided with switch valve V3, wherein sulfur hexafluoride air cell 1,
2 are used for sampling analysis, and gas room 3 is used to gas analyzer is calibrated and demarcated, to ensure sulfur hexafluoride detection data
Accuracy.
In the present embodiment, the sulfur hexafluoride air cell in gas compartment is not limited to 2.
Second pipeline 5 is connected with another second pipeline 4 by the first pipeline, between the second pipeline 5 and another second pipeline 4
The first pipeline be provided with switch valve V5；
Second pipeline 5 is connected with another second pipeline 4 by another first pipeline, the second pipeline 5 and another second pipeline 4
Between another first pipeline be provided with proportioning valve 6, proportioning valve 6 is used to make by the air-flow of device with normal pressure, stable flow velocity
By to ensure detection accuracy.
In the present embodiment, the detection process for realizing whole sulfur hexafluoride decomposition product is：
(1) initialize
Init state is as shown in figure 1, sulfur hexafluoride air cell 1, sulfur hexafluoride air cell 22 are connected with whole device, dress
All switch valve V1~V6,6 Close Alls are put, vavuum pump 11 and compressor 10 are out of service.
(2) vacuumize
When detection gas enter device, may there be air or other gases in device, directly ventilation not only influences detection
Data precision, while also sulfur hexafluoride gas is polluted.Therefore, need to be to original in order to remove residual gas in sampling pipe
There is air path part gas to be vacuumized.Vacuumize flow as shown in Fig. 2 switch valve V5, V6 open, switch valve V1, V2, V3,
V4 and ratio switch valve 6 are closed, and vavuum pump 11 and compressor 10 start simultaneously, by the gas in air accumulator 9, pipeline and switch valve
All it is discharged into waste gas bottle 12.When device vacuum reaches pre-provisioning request, device recovers original state into Fig. 1 (by system
Interior pressure gauge 7 is automatically controlled).
(3) sample collection
Exemplified by gathering sulfur hexafluoride air cell 1, the collection of sulfur hexafluoride electrical equipment insulating gas, systematic sampling are carried out
Flow is as shown in Figure 3.Switch valve V1 and ratio switch valve 6 are opened, and the gas in sulfur hexafluoride air cell 1 is through V1, ratio switch
Enter after valve 6 in air accumulator 9 and store.After sulfur hexafluoride flow detection value stabilization, system is recovered to original state (Fig. 1), is
All switch valves of uniting are closed.
(4) recharge
The unordered discharge of sulfur hexafluoride gas to prevent from collecting ensures testing staff's injury and the pollution of environment simultaneously
The gas pressure of former sulfur hexafluoride air cell is stable, and the gas after collection need to be recharged back into former sulfur hexafluoride air cell again.Gas returns
Flow is filled as shown in figure 4, switch valve V1, V5 are opened, and V2, V3, V4, V6 and ratio switch valve 6 are closed, and compressor 10 starts.Will
Sulfur hexafluoride gas in air accumulator and system pipeline recharges back former sulfur hexafluoride air cell 1, treats that system pressure reaches constant
When being worth (pressure gauge 7), system is recovered to original state (Fig. 1), and compressor is out of service.
(5) gas analysis
Exemplified by analyzing sulfur hexafluoride air cell 1, gas analysis flow is as shown in Figure 5.Switch valve V1, V4 and ratio are opened
Close valve 6 to open, V2, V3, V5 and V6 are closed, and the gas in sulfur hexafluoride air cell 1 enters gas after V1, ratio switch valve 6, V4
Body analyzer 8 is analyzed, and remaining gas, which enters in air accumulator 9, to be stored.After sulfur hexafluoride detect value stabilization after, device recover to
Original state (Fig. 1), all switch valves of device are closed.Next, system performs again recharges function, ensure that gas refill returns original
The sulfur hexafluoride air cell come.
A kind of six-component force balance gas automatic on-line sampling apparatus provided by the utility model has been carried out in detail above
It is thin to introduce, for those of ordinary skill in the art, according to the thought of the utility model embodiment, in embodiment and answer
With there will be changes in scope, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (5)
- A kind of 1. six-component force balance gas automatic on-line sampling apparatus, it is characterised in that including：Compression module, vavuum pump and Waste gas bottle；Compression module includes：Compressor, air accumulator and the first pipeline；Compressor is connected by the first pipeline with air accumulator；Compression module is connected by the first pipeline and the second pipeline；Vavuum pump and waste gas bottle are directly connected to；Vavuum pump is connected by the first pipeline with another second pipeline, and the first pipeline between vavuum pump and another second pipeline is set It is equipped with switch valve；Another second pipeline is connected by the first pipeline with gas compartment, and the first pipeline between another second pipeline and gas compartment is set It is equipped with switch valve；Second pipeline is connected with another second pipeline by the first pipeline, the first pipeline between the second pipeline and another second pipeline It is provided with switch valve；Second pipeline is connected with another second pipeline by another first pipeline, another between the second pipeline and another second pipeline One first pipeline is provided with proportioning valve；Wherein, the specification of the second pipeline is more than the specification of the first pipeline.
- 2. six-component force balance gas automatic on-line sampling apparatus according to claim 1, it is characterised in that also include： Gas analyzer；Gas analyzer is connected by the first pipeline and the second pipeline, and the first pipeline between gas analyzer and the second pipeline is set It is equipped with switch valve.
- 3. six-component force balance gas automatic on-line sampling apparatus according to claim 2, it is characterised in that also include： Pressure gauge；Pressure gauge is connected by the first pipeline and the second pipeline.
- 4. six-component force balance gas automatic on-line sampling apparatus according to claim 1, it is characterised in that also include： Automatic control system.
- 5. six-component force balance gas automatic on-line sampling apparatus according to claim 1, it is characterised in that gas compartment bag Include：Sulfur hexafluoride air cell and gas room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999332.XU CN206656893U (en) | 2016-08-30 | 2016-08-30 | A kind of six-component force balance gas automatic on-line sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620999332.XU CN206656893U (en) | 2016-08-30 | 2016-08-30 | A kind of six-component force balance gas automatic on-line sampling apparatus |
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| CN206656893U true CN206656893U (en) | 2017-11-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732104A (en) * | 2018-04-18 | 2018-11-02 | 中国科学院合肥物质科学研究院 | A kind of photo-acoustic spectrometer on-line measuring device |
-
2016
- 2016-08-30 CN CN201620999332.XU patent/CN206656893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732104A (en) * | 2018-04-18 | 2018-11-02 | 中国科学院合肥物质科学研究院 | A kind of photo-acoustic spectrometer on-line measuring device |
| CN108732104B (en) * | 2018-04-18 | 2019-08-06 | 中国科学院合肥物质科学研究院 | A kind of photo-acoustic spectrometer on-line measuring device |
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