CN209342686U - A kind of SF6 gasometric analysis instrument - Google Patents
A kind of SF6 gasometric analysis instrument Download PDFInfo
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- CN209342686U CN209342686U CN201822028924.9U CN201822028924U CN209342686U CN 209342686 U CN209342686 U CN 209342686U CN 201822028924 U CN201822028924 U CN 201822028924U CN 209342686 U CN209342686 U CN 209342686U
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- pipe
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- activated carbon
- pump housing
- main casing
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Abstract
The utility model discloses a kind of SF6 gasometric analysis instrument, the inside of main casing is fixedly installed with filter cavity, the upper surface of filter cavity is provided with input pipe, filter cavity is internally provided with activated carbon filter layer, the outer surface fixation of activated carbon filter layer is fitted with Oxygen Adsorption agent, and the side of filter cavity is provided with the pump housing, and the inside of the pump housing is installed with pump core, the outer ring of pump core is provided with spring, and one end of spring is fixedly connected with gland；This SF6 gasometric analysis instrument, attract SF6 gas by changing the volume of the pump housing, pump body constant volume, and then the SF6 gaseous mass for ensuring to introduce is more accurate, Oxygen Adsorption agent adsorption of oxygen, activated carbon filter layer is then directed to the sulfur dioxide gas that the decomposition of SF6 gas generates and is filtered, reduce the foreign gas in gas recovery, the purity and recovery index of SF6 gas are improved, improves accuracy when constant volume, it is ensured that detection accuracy.
Description
Technical field
The utility model relates to electrical equipment technical field, specially a kind of SF6 gasometric analysis instrument.
Background technique
SF6 gas itself is a kind of gas of excellent insulation performance, while its arc extinction performance is excellent, therefore sets in GIS
It is standby largely to be insulated using SF6 gas, since the leakage of SF6 will will will be greatly reduced the insulation performance of GIS in GIS, jeopardize
The reliability of equipment, in addition SF6 gas is under the action of high-voltage arc, it will decomposes, toxic gas is generated, when SF6 gas
Also procreative noxious material after body and water contact, it will jeopardize the health of human body of operation maintenance personnel, it is traditional based on SF6 gas
Bulk concentration detection generally uses the method detectable concentration of ground Passive diffusion, detects ground single-point concentration, and testing result is not complete
Face, accuracy is lower, and with biggish risk factor, meanwhile, when SF6 gas transformer occurs in test or operational process
When failure, SF6 gas will decompose and generate the foreign gases such as SO2, when being recycled to the SF6 gas in SF6 gas transformer,
If being contaminated with the foreign gases such as SO2 in SF6 gas, the SF6 gas index of recycling will be caused unqualified, it can not be to recycling
SF6 gas utilized again, how to reduce the foreign gas in gas recovery, promote the index of recycled SF6 gas,
Seem particularly necessary.
Utility model content
The purpose of this utility model is to provide a kind of SF6 gasometric analysis instrument, have that suction is powerful, and constant volume is accurate,
The characteristics of impurity screening, the operation is stable, solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of SF6 gasometric analysis instrument, including
Main casing, the inside of the main casing are fixedly installed with primary filter and constant volume adsorbent equipment, the primary filter
It is made of input pipe, filter cavity, activated carbon filter layer and Oxygen Adsorption agent, the upper surface of the filter cavity is provided with defeated
Enter conduit, input pipe fixation is inserted at the upper surface center of filter cavity, and the filter cavity is internally provided with activity
Charcoal filter layer, activated carbon filter layer is chimeric with filter cavity fixation, and the fixed inserting in the outer surface of the activated carbon filter layer is aerobic
Gas adsorbent, Oxygen Adsorption agent are vertically arranged in the plate face of activated carbon filter layer, and the bottom of the filter cavity is connected with fixed
Hold adsorbent equipment；
The constant volume adsorbent equipment is made of fixes sleeve, the pump housing, diversion pipe, pump core, spring and gland, the fixing sleeve
The inside of cylinder is installed with the pump housing, and the outer surface of the pump housing has been respectively communicated with air inlet mouth of pipe and pressure release nozzle, the air inlet mouth of pipe with let out
Pressure pipe mouth opposition is arranged, and is connected with diversion pipe at the end pipe mouth of air inlet mouth of pipe, and diversion pipe is fixedly set in the outer ring of air inlet mouth of pipe,
The inside of the pump housing is installed with pump core, and pump core and pump housing activity are assembled, and the outer ring of pump core is provided with spring, one end of spring with
Pump core is fixedly welded, and the other end of the spring is fixedly connected with gland, the bottom of gland stretch out main casing and with main casing
Bottom surface is movably fastened.
Preferably, the output end of the input pipe is connected to filter cavity, and the input terminal of input pipe runs through main casing
And extend to the outer surface of main casing.
Preferably, Oxygen Adsorption agent equidistant interval in the plate face of activated carbon filter layer is arranged and uses annular array
Form is uniformly arranged.
Preferably, the pressure release nozzle is normally closed, and one end of pressure release nozzle is connected with the pump housing, and the other end of pressure release nozzle runs through
Fixes sleeve and the outer surface for extending to main casing.
Preferably, the constant volume adsorbent equipment passes through diversion pipe and primary filter pipeline connection.
Preferably, the bottom of the spring is contacted with the fixation of the inner bottom surface of gland, and pump core is fixedly set at the top of spring
Outer ring.
Compared with prior art, the beneficial effects of the utility model are as follows:
This SF6 gasometric analysis instrument introduces SF6 gas, SF6 gaseous environment and operator interval by input pipe
Certain safe distance, safety guarantee is higher, generates certain attraction by changing the volume of the pump housing to attract SF6
Gas, pump body constant volume so that it is guaranteed that the SF6 gas volume for being stored in pump body is also relative constant, and then ensure
The SF6 gaseous mass of introducing is more accurate, and actually detected precision is higher, and Oxygen Adsorption agent absorbs and filter the oxygen of inside cavity remaining
Gas, and activated carbon filter layer is then directed to SF6 gas and decomposes the sulfur dioxide gas generation filtering barrier generated, synchronizes and screens out oxygen
With sulfur dioxide gas, only accommodates SF6 gas and pass through, reduce the foreign gas in gas recovery, improve the purity of SF6 gas
With recovery index, accuracy when constant volume is improved, it is ensured that detection accuracy.
Detailed description of the invention
Fig. 1 is the appearance figure of the utility model；
Fig. 2 is the partial exploded view of the utility model；
Fig. 3 is the filter cavity internal structure chart of the utility model.
In figure: 1 main casing, 2 primary filters, 21 input pipes, 22 filter cavities, 23 activated carbon filter layers, 24 oxygen
Gas adsorbent, 3 constant volume adsorbent equipments, 31 fixes sleeves, 32 pump housings, 321 air inlet mouth of pipe, 322 pressure release nozzles, 33 diversion pipes, 34
Pump core, 35 springs, 36 glands.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of SF6 gasometric analysis instrument, including main casing 1, the inside of main casing 1 is please referred to be fixedly installed with
Primary filter 2 and constant volume adsorbent equipment 3, as shown in figure 3, primary filter 2 by input pipe 21, filter cavity 22,
Activated carbon filter layer 23 and Oxygen Adsorption agent 24 form, and the upper surface of filter cavity 22 is provided with input pipe 21, input pipe
21 fixations are inserted at the upper surface center of filter cavity 22, and the output end of input pipe 21 is connected to filter cavity 22, input
The input terminal of conduit 21 runs through main casing 1 and extends to the outer surface of main casing 1, and 21 length of input pipe is longer, easily operated,
SF6 gas is under the action of high-voltage arc, it will decomposes, generates sulfur dioxide gas, it will jeopardize operation maintenance personnel
Health of human body, input pipe 21 introduces SF6 gas, SF6 gaseous environment and the certain safe distance in operator interval, it is ensured that
Operator will not suck SF6 gas, and filter cavity 22 is internally provided with activated carbon filter layer 23, activated carbon filter layer 23 with
Filter cavity 22 is fixed chimeric, and the outer surface fixation of activated carbon filter layer 23 is fitted with Oxygen Adsorption agent 24, Oxygen Adsorption agent 24
Equidistant interval is arranged and annular array form is used uniformly to arrange in the plate face of activated carbon filter layer 23, and Oxygen Adsorption agent 24 is inhaled
The oxygen of attached 22 inside remaining of filter cavity, and activated carbon filter layer 23 then decomposes the sulfur dioxide gas generated for SF6 gas
Body generates filtering barriering effect, and filter cavity 22 screens out oxygen and sulfur dioxide gas, only accommodates SF6 gas and passes through, reduces
Foreign gas in gas recovery improves the purity and recovery index of SF6 gas, improves accuracy when constant volume, it is ensured that detection
Precision, Oxygen Adsorption agent 24 are vertically arranged in the plate face of activated carbon filter layer 23, and the bottom of filter cavity 22 is connected with constant volume
Adsorbent equipment 3.
As shown in Fig. 2, constant volume adsorbent equipment 3 passes through diversion pipe 33 and 2 pipeline connection of primary filter, constant volume absorption dress
When setting 3 generation attraction, SF6 gas initially enters primary filter 2 and is filtered, and constant volume adsorbent equipment 3 is by fixes sleeve
31, the pump housing 32, diversion pipe 33, pump core 34, spring 35 and gland 36 form, and the inside of fixes sleeve 31 is installed with the pump housing 32, pump
The outer surface of body 32 has been respectively communicated with air inlet mouth of pipe 321 and pressure release nozzle 322, and air inlet mouth of pipe 321 and pressure release nozzle 322 are to erecting
It sets, pressure release nozzle 322 is normally closed, and one end of pressure release nozzle 322 and the pump housing 32 are connected, and the other end of pressure release nozzle 322 is through fixation
Sleeve 31 and the outer surface for extending to main casing 1, after the completion of detection, pressure release nozzle 322 can external air-introduced machine, will be in the pump housing 32
The SF6 in portion is extracted out, for use next time, also, before single unit system detection, also to carry out pressure release by pressure release nozzle 322,
The mode of operator's hand pressure can also be abandoned at the same time to exclude the excessive gas inside the pump housing 32, by pressure release nozzle
322 external air-introduced machines, air-introduced machine generates attraction for the pump housing 32, and the gravitation can also effectively attract SF6 gas to enter constant volume
In adsorbent equipment 3, operation is more easy, and fatigue strength is lower, is connected with diversion pipe 33 at the end pipe mouth of air inlet mouth of pipe 321, leads
Flow tube 33 is fixedly set in the outer ring of air inlet mouth of pipe 321, and the inside of the pump housing 32 is installed with pump core 34,32 activity of pump core 34 and the pump housing
Assembly, the outer ring of pump core 34 are provided with spring 35, and one end and the pump core 34 of spring 35 are fixedly welded, and the other end of spring 35 is fixed
Be connected with gland 36, the bottom of gland 36 is stretched out main casing 1 and is simultaneously movably fastened with the bottom surface of main casing 1, the bottom of spring 35 with
The fixed contact of the inner bottom surface of gland 36, the top of spring 35 are fixedly set in the outer ring of pump core 34, and operator is by squeezing pressure
Lid 36 can drive pump core 34 to slide up and down, and when 34 upward sliding of pump core, 32 internal capacity of the pump housing reduces, and pressure increases, and work as behaviour
When letting out power as personnel, gland 36 is also retracted under the action of spring 35, pump core 34 downwards reset, and at this point, 32 volume of the pump housing by
Cumulative big, internal pressure is gradually reduced, and certain attraction will be generated inside the pump housing 32, so that SF6 be attracted to enter main casing 1
Inside generates certain attraction by changing the volume of the pump housing 32 to attract SF6 to enter, and 32 internal capacity of the pump housing is permanent
It is fixed, so that it is guaranteed that the SF6 gas volume being stored in inside the pump housing 32 is also relative constant, and then the SF6 gaseous mass for ensuring to introduce
More accurate, actually detected precision is higher.
In summary: this SF6 gasometric analysis instrument, by input pipe 21 introduce SF6 gas, SF6 gaseous environment with
The certain safe distance in operator interval, safety guarantee is higher, generates certain suction by changing the volume of the pump housing 32
Gravitation is to attract SF6 to enter, and 32 internal capacity of the pump housing is constant, so that it is guaranteed that the SF6 gas volume being stored in inside the pump housing 32
Also relative constant, and then the SF6 gaseous mass for ensuring to introduce is more accurate, actually detected precision is higher, and Oxygen Adsorption agent 24 is inhaled
The oxygen of attached 22 inside remaining of filter cavity, and activated carbon filter layer 23 then decomposes the sulfur dioxide gas generated for SF6 gas
Body generates filtering barrier, synchronizes and screens out oxygen and sulfur dioxide gas, only accommodates SF6 gas and passes through, reduces in gas recovery
Foreign gas, improve SF6 gas purity and recovery index, improve constant volume when accuracy, it is ensured that detection accuracy.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of SF6 gasometric analysis instrument, including main casing (1), it is characterised in that: the inside of the main casing (1) is fixed
Primary filter (2) and constant volume adsorbent equipment (3) are installed, the primary filter (2) is by input pipe (21), filtering
Cavity (22), activated carbon filter layer (23) and Oxygen Adsorption agent (24) composition, the upper surface of the filter cavity (22) is provided with
Input pipe (21), input pipe (21) fixation are inserted at the upper surface center of filter cavity (22), the filter cavity
(22) be internally provided with activated carbon filter layer (23), activated carbon filter layer (23) is chimeric with filter cavity (22) fixation, described
The outer surface fixation of activated carbon filter layer (23) is fitted with Oxygen Adsorption agent (24), and Oxygen Adsorption agent (24) is in activated carbon filter layer
(23) it is vertically arranged in plate face, the bottom of the filter cavity (22) is connected with constant volume adsorbent equipment (3)；
The constant volume adsorbent equipment (3) by fixes sleeve (31), the pump housing (32), diversion pipe (33), pump core (34), spring (35) and
Gland (36) composition, the inside of the fixes sleeve (31) are installed with the pump housing (32), and the outer surface of the pump housing (32) has been respectively communicated with
Air inlet mouth of pipe (321) and pressure release nozzle (322), the air inlet mouth of pipe (321) and pressure release nozzle (322) opposition are arranged, air inlet pipe
It is connected with diversion pipe (33) at the end pipe mouth of mouth (321), diversion pipe (33) is fixedly set in the outer ring of air inlet mouth of pipe (321), institute
The inside for stating the pump housing (32) is installed with pump core (34), and pump core (34) and the pump housing (32) activity are assembled, the outer ring setting of pump core (34)
Have spring (35), one end and the pump core (34) of spring (35) are fixedly welded, and the other end of the spring (35) is fixedly connected with pressure
It covers (36), the bottom of gland (36) is stretched out main casing (1) and is movably fastened with the bottom surface of main casing (1).
2. a kind of SF6 gasometric analysis instrument according to claim 1, it is characterised in that: the input pipe (21)
Output end is connected to filter cavity (22), and the input terminal of input pipe (21) through main casing (1) and extends to main casing (1)
Outer surface.
3. a kind of SF6 gasometric analysis instrument according to claim 1, it is characterised in that: the Oxygen Adsorption agent (24)
Equidistant interval is arranged and annular array form is used uniformly to arrange in the plate face of activated carbon filter layer (23).
4. a kind of SF6 gasometric analysis instrument according to claim 1, it is characterised in that: the pressure release nozzle (322) is normal
It closes, one end and the pump housing (32) of pressure release nozzle (322) are connected, and the other end of pressure release nozzle (322) runs through fixes sleeve (31) simultaneously
Extend to the outer surface of main casing (1).
5. a kind of SF6 gasometric analysis instrument according to claim 1, it is characterised in that: the constant volume adsorbent equipment (3)
Pass through diversion pipe (33) and primary filter (2) pipeline connection.
6. a kind of SF6 gasometric analysis instrument according to claim 1, it is characterised in that: the bottom of the spring (35)
It is contacted with the fixation of the inner bottom surface of gland (36), the outer ring of pump core (34) is fixedly set at the top of spring (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822028924.9U CN209342686U (en) | 2018-11-28 | 2018-11-28 | A kind of SF6 gasometric analysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822028924.9U CN209342686U (en) | 2018-11-28 | 2018-11-28 | A kind of SF6 gasometric analysis instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342686U true CN209342686U (en) | 2019-09-03 |
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ID=67750552
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822028924.9U Active CN209342686U (en) | 2018-11-28 | 2018-11-28 | A kind of SF6 gasometric analysis instrument |
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| Country | Link |
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| CN (1) | CN209342686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924332A (en) * | 2021-01-27 | 2021-06-08 | 贵州电网有限责任公司 | SO in GIS equipment based on CFD technology2Diffusion characteristic determination method |
-
2018
- 2018-11-28 CN CN201822028924.9U patent/CN209342686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924332A (en) * | 2021-01-27 | 2021-06-08 | 贵州电网有限责任公司 | SO in GIS equipment based on CFD technology2Diffusion characteristic determination method |
| CN112924332B (en) * | 2021-01-27 | 2023-04-28 | 贵州电网有限责任公司 | CFD technology-based SO2 diffusion characteristic determination method in GIS equipment |
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