CN208352745U - Switchgear house safety control - Google Patents
Switchgear house safety control Download PDFInfo
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- CN208352745U CN208352745U CN201821002235.4U CN201821002235U CN208352745U CN 208352745 U CN208352745 U CN 208352745U CN 201821002235 U CN201821002235 U CN 201821002235U CN 208352745 U CN208352745 U CN 208352745U
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- control loop
- collecting box
- switchgear house
- gas
- switchgear
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Abstract
A kind of switchgear house safety control, it includes collecting box, recovery tube, exhaust blower, exhaust fan, the first control loop and the second control loop, the sulfur hexafluoride gas of SF6 switchgear leakage in switchgear house is collected by collecting box, the sulfur hexafluoride gas in exhaust blower discharge collecting box is controlled to recyclable device by the first control loop, exhaust fan is controlled by the second control loop, outdoor wind is extracted into indoor supplement fresh air.When the utility model overcomes former switchgear house repair and maintenance, it is easy sucking SF6Gas, SF6The problem of causing environmental pollution outside gas overflowing room has structure simple, avoids overhauling or causes anoxic, securely and reliably, SF when safeguarding6Gas does not overflow outdoor, environmentally friendly feature.
Description
Technical field
The utility model belongs to safe distribution technique field, is related to a kind of switchgear house safety control.
Background technique
Switchgear house is typically arranged with SF6(sulfur hexafluoride) breaker, SF6It is a kind of colourless, odorless, nontoxic, non-ignitable inertia
Gas, stability is very high, and electrical insulation strength is very high, in super-pressure and breaker in extra high voltage, SF6It is widely used as height
The dielectric of voltage electrical equipment.With advances in technology, SF6Gas isolated fully-closed switch equipment is than conventional open type
High voltage distribution installation occupied area is much smaller, and its operation is not influenced by extraneous meteorological and environmental condition, because of its excellent property
Can, therefore the electrical room modernized is configured with a large amount of SF6Breaker, especially distribution network (SF6Gas isolated switch
Cabinet and ring network power supplying units).
SF6Density be six times of atmospheric density, when leakage, can be located at low-lying band, SF6It is simultaneously also a kind of asphyxiant,
It will lead to that people has difficulty in breathing, wheezes, skin and mucous membrane become blue, general spasticity under high concentration.Such as suck 80% SF6Gas+20%
O2Mixed gas a few minutes after, human body will appear numb limb or even death by suffocation.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of switchgear house safety controls, and structure is simple, adopts
The sulfur hexafluoride gas of SF6 switchgear leakage in switchgear house is collected with collecting box, the first control loop controls exhaust blower discharge and receives
Sulfur hexafluoride gas in header is to recyclable device, and the second control loop controls exhaust fan, and that outdoor wind is extracted into indoor supplement is new
Fresh air avoids overhauling or causes anoxic, securely and reliably, SF when safeguarding6Gas does not overflow outdoor, environmental protection.
A kind of switchgear house security control that in order to solve the above technical problems, the technical scheme adopted by the utility model is: dress
It sets, it includes being located at the indoor SF6 switchgear of distribution, and the lower part of the SF6 switchgear is equipped with collecting box, recovery tube and collecting box
Connection, exhaust blower are connect with recovery tube, exhaust blower air draft；The switchgear house is equipped with exhaust fan, and outdoor wind is extracted by exhaust fan
It is indoor；The exhaust blower and exhaust fan are by the first control loop and the control start and stop of the second control loop.
The collecting box is hollow closed structure, and the upper side contacted with SF6 switchgear is equipped with multiple through-holes.
The intracorporal top of collecting box chamber is equipped with SF6 concentration monitoring device, and SF6 concentration monitoring device and PLC control system connect
It connects, PLC control system connection the first control loop of control and the opening and closing of the second control loop.
First control loop includes the first air-break circuit-breaker and the first A.C. contactor connecting with the first major loop.
Second control loop includes the second air-break circuit-breaker and the second A.C. contactor connecting with the second major loop.
Time controller is provided in first control loop.
A kind of switchgear house safety control, it includes being located at the indoor SF6 switchgear of distribution, the lower part of SF6 switchgear
Equipped with collecting box, recovery tube and collecting box connection, exhaust blower are connect with recovery tube, exhaust blower air draft；Switchgear house is equipped with exhaust fan,
Outdoor wind is extracted into interior by exhaust fan；Exhaust blower and exhaust fan are by the first control loop and the control start and stop of the second control loop.
Structure is simple, and the sulfur hexafluoride gas of SF6 switchgear leakage in switchgear house is collected by collecting box, passes through the first control loop control
For sulfur hexafluoride gas in exhaust blower discharge collecting box processed to recyclable device, controlling exhaust fan by the second control loop will be outdoor
Wind be extracted into indoor supplement fresh air, avoid overhaul or safeguard when cause anoxic, securely and reliably, SF6Gas does not overflow room
Outside, environmentally friendly.
In the preferred scheme, collecting box is hollow closed structure, and the upper side contacted with SF6 switchgear is equipped with multiple
Through-hole.Structure is simple, is located at the indoor SF6 switchgear of distribution in repair and maintenance, can be related to SF6The exhaust of gas is filled
Leakage, SF are easy when gas, exhaust and inflation6The density of gas is larger, the SF after leakage6Through-hole of the gas from collecting box upper side
It is flowed into collecting box, avoids SF6Gas is flowed into outdoor out of switchgear house and causes environmental pollution.
In the preferred scheme, the intracorporal top of collecting box chamber is equipped with SF6 concentration monitoring device, SF6 concentration monitoring device and PLC
Control system connection, PLC control system connection the first control loop of control and the opening and closing of the second control loop.Structure is simple, works as SF6
Concentration monitoring device detects SF6When gas concentration is exceeded, PLC control system controls the first control loop and the second control loop is closed
It closes, the sulfur hexafluoride gas in collecting box is discharged to recyclable device in exhaust blower, and it is new that outdoor wind is extracted into indoor supplement by exhaust fan
Fresh air is realized and automatically controls monitoring, avoids the SF in collecting box6Outdoor, inspection when avoiding repair and maintenance is flowed to after gas overflowing
It repairs after maintenance personnel enters rashly in switchgear house and sucks SF6Gas causes anoxia asphyxia.
In the preferred scheme, the first control loop includes the first air-break circuit-breaker and first connecting with the first major loop
A.C. contactor.Structure is simple, and the first major loop is drawn by the low-pressure end of controller switching equipment in switchgear house.
In the preferred scheme, the second control loop includes the second air-break circuit-breaker and second connecting with the second major loop
A.C. contactor.Structure is simple, and the second major loop is drawn from the first major loop, exhausting in the case where avoiding exhaust blower from not starting
The wind of switchgear house is pumped into interior by machine, leads to indoor SF6Gas overflowing and cause environmental pollution.
In the preferred scheme, time controller is provided in the first control loop.Structure is simple, using some daily
It pinpoints time the first control loop of control and the second major loop starting exhaust blower and exhaust fan work, timing is discharged in collecting box
SF6Gas, exhaust fan supplement fresh air into switchgear house, avoid causing collecting box in the case where SF6 concentration monitoring device failure
Interior SF6Gas overflowing is outer to switchgear house and causes environmental pollution.
A kind of switchgear house safety control, it includes collecting box, recovery tube, collecting box, exhaust blower, exhaust fan, first
Control loop and the second control loop are collected the sulfur hexafluoride gas of SF6 switchgear leakage in switchgear house by collecting box, passed through
First control loop controls the sulfur hexafluoride gas in exhaust blower discharge collecting box to recyclable device, passes through the second control loop control
Outdoor wind is extracted into indoor supplement fresh air by exhaust fan processed.When the utility model overcomes former switchgear house repair and maintenance, hold
Easily sucking SF6Gas, SF6The problem of causing environmental pollution outside gas overflowing room has structure simple, when avoiding overhauling or safeguarding
Cause anoxic, securely and reliably, SF6Gas does not overflow outdoor, environmentally friendly feature.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is that the utility model controls schematic diagram.
In figure: switchgear house 1, SF6Switchgear 2, collecting box 3, recovery tube 4, exhaust blower 5, exhaust fan 6, the first control loop
7, the first major loop 71, the first air-break circuit-breaker 72, the first A.C. contactor 73, the second control loop 8, the second major loop 81,
Second air-break circuit-breaker 82, the second A.C. contactor 83, SF6Concentration monitoring device 9, time controller 10.
Specific embodiment
In Fig. 1 ~ Fig. 2, a kind of switchgear house safety control, it includes the SF in switchgear house 16Switchgear 2, institute
State SF6The lower part of switchgear 2 is equipped with collecting box 3, recovery tube 4 and 3 connection of collecting box, and exhaust blower 5 is connect with recovery tube 4, air draft
5 air draft of machine；The switchgear house 1 is equipped with exhaust fan 6, and outdoor wind is extracted into interior by exhaust fan 6；The exhaust blower 5 and exhaust fan 6
Start and stop are controlled by the first control loop 7 and the second control loop 8.Structure is simple, collects SF in switchgear house 1 by collecting box 36It opens
The sulfur hexafluoride gas that cabinet 2 is revealed is closed, the sulfur hexafluoride gas that exhaust blower 5 is discharged in collecting box 3 is controlled by the first control loop 7
Body controls exhaust fan 6 by the second control loop 8 and outdoor wind is extracted into indoor supplement fresh air, avoid to recyclable device
Anoxic, securely and reliably, SF are caused when maintenance or maintenance6Gas does not overflow outdoor, environmental protection.
In preferred scheme, the collecting box 3 is hollow closed structure, with SF6The upper side that switchgear 2 contacts is equipped with
Multiple through-holes.Structure is simple, the SF in switchgear house 16Switchgear 2 can be related to SF in repair and maintenance6The exhaust of gas
Or leakage, SF are easy when inflation, exhaust and inflation6The density of gas is larger, the SF after leakage6Gas is from 3 upper side of collecting box
Through-hole is flowed into collecting box 3, avoids SF6Gas is flowed into outdoor out of switchgear house 1 and causes environmental pollution.
In preferred scheme, the intracorporal top of 3 chamber of collecting box is equipped with SF6Concentration monitoring device 9, SF6Concentration monitoring device 9
It is connect with PLC control system, PLC control system connection the first control loop 7 of control and the opening and closing of the second control loop 8.Structure letter
It is single, work as SF6Concentration monitoring device 9 detects SF6When gas concentration is exceeded, PLC control system controls the first control loop 7 and second
Control loop 8 is closed, and the sulfur hexafluoride gas in collecting box 3 is discharged to recyclable device in exhaust blower 5, and exhaust fan 6 is by outdoor wind
It is extracted into indoor supplement fresh air, realizes and automatically controls monitoring, avoid the SF in collecting box 36Outdoor is flowed to after gas overflowing, is kept away
SF is sucked after repair and maintenance personnel enter rashly in switchgear house 1 when exemption from inspection is safeguarded6Gas causes anoxia asphyxia.
In preferred scheme, first control loop 7 includes the first air-break circuit-breaker connecting with the first major loop 71
72 and first A.C. contactor 73.Structure is simple, and the first major loop 71 is drawn by the low-pressure end of controller switching equipment in switchgear house 1.
In preferred scheme, second control loop 8 includes the second air-break circuit-breaker connecting with the second major loop 81
82 and second A.C. contactor 83.Structure is simple, and the second major loop 81 is drawn from the first major loop 71, and exhaust blower 5 is avoided not have
The wind of switchgear house 1 is pumped into interior by exhaust fan 6 in the case where starting, leads to indoor SF6Gas overflowing and cause environment dirty
Dye.
In preferred scheme, time controller 10 is provided in first control loop 7.Structure is simple, using daily
Some fixed point time control first control loop 7 and the second major loop 81 starting exhaust blower 5 and exhaust fan 6 work, timing arrange
SF in collecting box 3 out6Gas, exhaust fan 6 supplement fresh air into switchgear house 1, avoid SF6The feelings of 9 failure of concentration monitoring device
The SF in collecting box 3 is caused under condition6Gas overflowing is outer to switchgear house 1 and causes environmental pollution.
Switchgear house safety control as described above, in use, collecting box 3 collects SF in switchgear house 16Switchgear 2 is let out
The sulfur hexafluoride gas of dew controls the sulfur hexafluoride gas that exhaust blower 5 is discharged in collecting box 3 by the first control loop 7 and extremely returns
Receiving apparatus controls exhaust fan 6 by the second control loop 8 and outdoor wind is extracted into indoor supplement fresh air, avoid maintenance or
Anoxic, securely and reliably, SF are caused when maintenance6Gas does not overflow outdoor, environmental protection.
SF in switchgear house 16Switchgear 2 can be related to SF in repair and maintenance6The exhaust or inflation of gas, exhaust
Leakage, SF are easy when with inflation6The density of gas is larger, the SF after leakage6Gas is flowed into from the through-hole of 3 upper side of collecting box
In collecting box 3, SF is avoided6Gas is flowed into outdoor out of switchgear house 1 and causes environmental pollution.
Work as SF6Concentration monitoring device 9 detects SF6When gas concentration is exceeded, PLC control system controls 7 He of the first control loop
The sulfur hexafluoride gas in collecting box 3 is discharged to recyclable device in second control loop 8 closure, exhaust blower 5, and exhaust fan 6 will be outdoor
Wind be extracted into indoor supplement fresh air, realize and automatically control monitoring, avoid the SF in collecting box 36Room is flowed to after gas overflowing
Outside, it avoids sucking SF after repair and maintenance personnel enter rashly in switchgear house 1 when repair and maintenance6Gas causes anoxia asphyxia.
First major loop 71 is drawn by the low-pressure end of controller switching equipment in switchgear house 1.
Second major loop 81 is drawn from the first major loop 71, and exhaust fan 6 will match in the case where avoiding exhaust blower 5 from not starting
The wind of electric room 1 is pumped into interior, leads to indoor SF6Gas overflowing and cause environmental pollution.
First control loop 7 and the second major loop 81 starting exhaust blower 5 are controlled using some daily fixed point time and taken out
Blower 6 works, and the SF in collecting box 3 is discharged in timing6Gas, exhaust fan 6 supplement fresh air into switchgear house 1, avoid SF6It is dense
The SF in collecting box 3 is caused in the case where degree 9 failure of monitor6Gas overflowing is outer to switchgear house 1 and causes environmental pollution.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, can mutual any combination.This is practical new
The protection scope of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of switchgear house safety control, it includes the SF in switchgear house (1)6Switchgear (2), it is characterized in that: described
SF6The lower part of switchgear (2) is equipped with collecting box (3), recovery tube (4) and collecting box (3) connection, exhaust blower (5) and recovery tube (4)
Connection, exhaust blower (5) air draft；The switchgear house (1) is equipped with exhaust fan (6), and outdoor wind is extracted into interior by exhaust fan (6)；Institute
It states exhaust blower (5) and exhaust fan (6) and start and stop is controlled by the first control loop (7) and the second control loop (8).
2. switchgear house safety control according to claim 1, it is characterized in that: the collecting box (3) is hollow closing
Structure, with SF6The upper side of switchgear (2) contact is equipped with multiple through-holes.
3. switchgear house safety control according to claim 2, it is characterized in that: the collecting box (3) intracorporal top of chamber
Portion is equipped with SF6Concentration monitoring device (9), SF6Concentration monitoring device (9) is connect with PLC control system, PLC control system connection control the
One control loop (7) and the second control loop (8) opening and closing.
4. switchgear house safety control according to claim 1, it is characterized in that: first control loop (7) includes
The first air-break circuit-breaker (72) and the first A.C. contactor (73) being connect with the first major loop (71).
5. switchgear house safety control according to claim 1, it is characterized in that: second control loop (8) includes
The second air-break circuit-breaker (82) and the second A.C. contactor (83) being connect with the second major loop (81).
6. switchgear house safety control according to claim 1 or 4, it is characterized in that: in first control loop (7)
It is provided with time controller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002235.4U CN208352745U (en) | 2018-06-27 | 2018-06-27 | Switchgear house safety control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002235.4U CN208352745U (en) | 2018-06-27 | 2018-06-27 | Switchgear house safety control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352745U true CN208352745U (en) | 2019-01-08 |
Family
ID=64881990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821002235.4U Active CN208352745U (en) | 2018-06-27 | 2018-06-27 | Switchgear house safety control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208352745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340769A (en) * | 2021-06-24 | 2021-09-03 | 江西德安万年青水泥有限公司 | 110KV total drop GIS micro-water density on-line monitoring system |
-
2018
- 2018-06-27 CN CN201821002235.4U patent/CN208352745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340769A (en) * | 2021-06-24 | 2021-09-03 | 江西德安万年青水泥有限公司 | 110KV total drop GIS micro-water density on-line monitoring system |
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