CN105305275B - A kind of binary box-type substation - Google Patents
A kind of binary box-type substation Download PDFInfo
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- CN105305275B CN105305275B CN201410238802.6A CN201410238802A CN105305275B CN 105305275 B CN105305275 B CN 105305275B CN 201410238802 A CN201410238802 A CN 201410238802A CN 105305275 B CN105305275 B CN 105305275B
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Abstract
The invention provides a kind of binary box-type substation, including structure case, the functional compartment and inert gas conveying device of sealing, structure is internally provided with the receiving space of accommodating functional compartment, functional compartment is internally provided with the receiving space for placing electrical equipment, functional compartment is arranged at the receiving space inside structure case Nei and is supported with the structure case by multiple support connection devices and is connected, inert gas conveying device is by air delivering pipeline to functional compartment delivered inside inert gas, inert gas conveyer is connected by air delivering pipeline with the air inlet of the appendix, support connection device includes：With female annular fastener and the fixation functional compartment in the support member in the structure case.The binary box-type substation that the present invention is provided, improves structural stability, insulating properties and the fire retardancy of box-type substation, additionally it is possible to effectively regulates and controls the temperature and oxygen content of transformer station, improves the operational efficiency and service life of transformer station.
Description
Technical field
The present invention relates to transformer station's technical field of electrical power trans mission/distribution system, more particularly to a binary box-type substation.
Background technology
To adapt to the development of power system urbanization, high voltage substation needs minimize and can factory's complete productions.It is box
Transformer station is a kind of high-tension switch gear, distribution transformer and low-voltage distribution equipment, and the work of one is lined up by certain connection plan
Prefabricated indoor, the outdoor close-coupled controller switching equipment of factory, will the function such as high powered, transformer pressure-reducing, low-voltage distribution organically group
It is combined, installed in a protection against the tide, antirust, dust-proof, protection against rodents, fire prevention, antitheft, heat-insulated, totally-enclosed, moveable steel-structure box
In vivo, electromechanical integration, totally-enclosed operation, is particularly well-suited to urban network construction and upgradation, is emerged after civil engineering transformer station
A kind of brand-new transformer station.This not only contributes to be selected in existing city high load capacity density region the requirement of building a station of load center,
Be conducive to urban network reconstruction, reduce step-down level, simplify wiring, electric energy loss is greatly reduced.Box-type substation is applied to lives
Residence cell, city public transformer, bustling downtown area, construction power supply etc., user can be according to different use conditions, load level selection casees
Formula becomes.
Box-type substation since the advent of the world, development is extremely rapid, and the 70% of distribution transformer has been accounted in countries in Europe,
The U.S. has accounted for 90%.Modernization construction is developed rapidly, the continuous renewal transformation of urban power distribution network, will obtain wide
General application.As urban power distribution network, the existing high pressure level of China's most area is 220,110,60KV, middle pressure 35,10KV,
Low pressure 0.4KV, step-down level is 3 grades.For example：220/110/10/0.4KV、220/35/10/0.4KV、220/60/10/0.4KV
Or 4 grades.For example：220/110/35/10/0.4KV.
Add the stacked switch of limiting fuse more than the case change high-pressure side of existing box-type substation using on-load switch；During separating brake
First the disjunction dynamic/static contact in vacuum interrupter, then disconnects disconnecting switch, and cause isolation tool rest and corresponding wiring tool rest it
Between have obvious isolation fracture；First closed during combined floodgate disconnecting switch, be closed again the dynamic/static contact in vacuum interrupter.This knot
Structure has following weak point：Although isolating after separating brake has obvious isolation fracture between tool rest and corresponding wiring tool rest,
But remain causes isolation tool rest to be closed on corresponding wiring tool rest because of maloperation, causes serious electric power thing
Therefore, the isolation fracture is to play obvious indicative function, can not inherently obtain fool proof security protection effect.
Existing box-type substation is usually single case structure simultaneously, not only fragile, and leak also easily occurs in failure, and influence is used
Security, in addition when breaking down particularly short circuit accident when, because a large amount of heatings are easily ignited electrical equipment in case, not only can
The security that influence equipment is used, is also easy to expand harm, influences periphery public safety.
The content of the invention
(1) technical problem to be solved
The binary box-type substation that the present invention is provided, there is provided the high insulating properties of box-type substation, flame resistance, operational efficiency
And service life.
(2) technical scheme
The invention provides a kind of binary box-type substation, including structure case, the functional compartment of sealing and inert gas conveying
Device；
The structure case is internally provided with the receiving space of the accommodating functional compartment；The functional compartment is internally provided with placement
The receiving space of electrical equipment；
The functional compartment is arranged at the receiving space inside the structure case Nei and by multiple support connection devices and institute
State the support connection of structure case；
The inert gas conveying device is by air delivering pipeline to the functional compartment delivered inside inert gas.
Further, the inert gas conveying device includes：
Inert gas conveyer with air pump, the appendix to the functional compartment delivered inside gas and to the functional compartment
The blast pipe of external exhaust gas；
The inert gas conveyer is connected by air delivering pipeline with the air inlet of the appendix；
The gas outlet of the appendix is arranged on the functional compartment inner top, and the air inlet of the blast pipe is arranged on described
Functional compartment inner bottom part, the gas outlet of the blast pipe is arranged on outside the functional compartment.
Further, the gas outlet of the appendix is provided with equilibrated valve, and the air inlet of the blast pipe is provided with pressure
Balanced valve.
Further, the support connection device includes：
With female annular fastener and the fixation functional compartment in the support member in the structure case；
The functional compartment outer surface is provided with hollow projection, and the hollow projection is carried and the annular fastener internal thread
The external screw thread being engaged；
The support member is stretched into and fastened by the annular fastener in the hollow projection, and makes the functional compartment with the knot
Existential Space interval between structure case.
Further, the support member is cylindrical ceramic support member.
Further, the functional compartment is separated into transformer room, switch gear room and control room by dividing plate.
Further, the inner surface of the outer surface of the dividing plate and the functional compartment is provided with high temperature resistance layer.
Further, the high temperature resistance layer is corundum ceramic layer.
Further, the binary box-type substation also includes oxygen content supervising device, the oxygen content monitoring device bag
Include：Oxygen-containing quantity sensor, control oxygen microprocessor, alarm and communication module；
The oxygen-containing quantity sensor, the alarm and the communication module connect with the control oxygen microprocessor communication respectively
Connect；
The oxygen-containing quantity sensor, in the functional compartment, detecting the oxygen content of the functional compartment, is contained
Oxygen signal；
The control oxygen microprocessor, for receiving and judges whether the oxygen content signal has and reaches alarm preset value, such as
Fruit is then to send alarm signal and to the inert gas conveying device transmission of control signals, if it is not, then stopping sending alarm
Signal；
The alarm, for according to alarm signal alarm or stop alarm；
The communication module, for receiving the alarm signal and transmitting the alarm signal to remote monitoring terminal；
Oxygen content signal described in the oxygen content sensor transmissions controls oxygen microprocessor, the control oxygen microprocessor to described
Alarm signal is sent to the inert gas conveying device transmission of control signals and to the alarm and the communication module.
Further, the binary box-type substation also includes temperature control equipment, and the temperature control equipment includes：
The heat-insulation layer, for being installed between the functional compartment and the structure case, slows down the temperature of the functional compartment
Radiating rate；
The temperature sensor, in the functional compartment, detecting the temperature of the functional compartment, obtains temperature letter
Number；
The temperature control microprocessor, for receiving and judge the temperature signal whether reach default holding temperature preset
Value, if it is, heating signal is sent, if it is not, then send stopping heating signal；
The heater, for receiving the heating signal heating, or receives the stopping heating signal；
The temperature sensor and the heater are connected with the temperature control microprocessor communication respectively；
The temperature sensor transmits temperature signal to the temperature control microprocessor, and the temperature control microprocessor sends heating
Or stop heating signal to the heater.
(3) beneficial effect
The binary box-type substation that the present invention is provided, not only increase the structural stability of box-type substation, insulating properties and
Fire retardancy, additionally it is possible to effectively regulate and control the temperature and oxygen content of transformer station, improve the operational efficiency of transformer station and use the longevity
Life.
Brief description of the drawings
Fig. 1 is a kind of structural representation of binary box-type substation that the embodiment of the present invention 1 and 2 is provided, wherein：1st, structure
Case, 2, functional compartment, 3, dividing plate, 4, control room, 6, switch gear room；7th, transformer room, 8, ceramic supporting element, 9, annular fastener；10th, band
The inert gas conveyer of air pump, 11, appendix, 12, equilibrated valve, 13, blast pipe；
Fig. 2 is the oxygen content monitoring device structural representation that the embodiment of the present invention 1 is provided；
Fig. 3 is the temperature control device structure schematic diagram that the embodiment of the present invention 2 is provided.
Specific embodiment
To make embodiment of the present invention purpose, technical scheme and advantage clearer, with reference in the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment obtained on the premise of making creative work, belong to the scope of protection of the invention.
Embodiment 1：
A kind of binary box-type substation is the embodiment of the invention provides, as shown in Figure 1：Function including structure case 1, sealing
Case 2 and inert gas conveying device；
Structure case 1 is internally provided with the receiving space of accommodating functional compartment 2；Functional compartment 2 is internally provided with placement electrical equipment
Receiving space；
Inert gas conveying device is by air delivering pipeline to the delivered inside inert gas of functional compartment 2.Wherein, inert gas is excellent
Elect helium as.
Specifically, inert gas conveying device includes：Inert gas conveyer 10 with air pump, to functional compartment delivered inside
The appendix 11 of gas and the blast pipe 13 to functional compartment external exhaust gas, inert gas conveyer pass through air delivering pipeline and appendix
11 air inlet connection.
The gas outlet of appendix 11 is arranged on inside the functional compartment 2, and the air inlet of blast pipe 13 is arranged on functional compartment 2
Inside, the gas outlet of the blast pipe 13 is arranged on outside functional compartment 2.
Specifically, the air inlet of appendix 11 is provided with equilibrated valve 12, and the gas outlet of blast pipe 13 is provided with pressure balance
Valve 12.Wherein, the gas outlet of the air inlet connecting gas transmission pipe 11 of equilibrated valve 12 (for controlling helium inlet), pressure is put down
In functional compartment 1, gas enters functional compartment after equilibrated valve 12 for the gas outlet of weighing apparatus valve (for controlling helium inlet)
1；The air inlet of outlet position connection equilibrated valve (for controlling helium discharge rate) of functional compartment 1, equilibrated valve (is used for
Control helium discharge rate) the gas outlet connection air inlet of blast pipe 13, gas is by the discharge function case of equilibrated valve 12 outer 1.
Functional compartment 2 is arranged at the receiving space inside structure case 1 Nei and by multiple support connection devices and 1, structure case
Support connection；
Specifically, support connection device includes：With female annular fastener 9 and fixing function case 2 in structure case 1
Support member 8, the outer surface of functional compartment 2 is provided with hollow projection corresponding with annular fastener, it is hollow it is raised with external screw thread (with
The annular fastener internal thread is engaged), support member 8 stretch into it is hollow it is raised in fastened by annular fastener 9, and make functional compartment 2 and
Existential Space interval between structure case 1.Wherein, the side and bottom surface of structure case 1 are respectively mounted the attachment means of support member 8.During installation,
The one end of support member 8 snaps in hollow projection, and annular fastener 9 is placed on the outside of support member 8 from the other end of support member 8, and by
The internal thread of annular fastener 9 is corresponding with hollow raised external screw thread to be tightened, and support member 8 is fixed in projection, and support member 8 withstands
Structure case 1, so as to constitute space interval.
Specifically, support member 8 is cylindrical ceramic support member.
Specifically, the inner surface of the outer surface of dividing plate and the functional compartment is provided with high temperature resistance layer.
Specifically, high temperature resistance layer is corundum ceramic layer.
Specifically, functional compartment 2 is separated into transformer room 7, switch gear room 6 and control room 4 by dividing plate.For example, transformer room
7th, transformer room 7, switch gear room 6 and control room 4 can be divided into independent by dividing plate 3 again in switch gear room 6 and control room 4
High voltage converter room, low voltage frequency converter room, high-voltage switch gear room, low tension switch room, high tension instrument room and low pressure control room.Wherein,
Independent high voltage converter room, low voltage frequency converter room, high-voltage switch gear room, low tension switch room, high tension instrument room and low pressure control room
Helium is individually received and discharged, independent appendix 11 and blast pipe 13, the gas transmission of inert gas conveyer are connected respectively
After pipe 11 is through reaching the side of functional compartment 2, it is divided into three pipelines and respectively enters transformer room 7, switch gear room 6 and control room 4, three
After the per share pipeline of pipeline reaches transformer room 7, the positive top in switch gear room 6 and control room 4, two pipelines are divided into again and enter high
Pressure chamber and low-pressure chamber, it will be appreciated that be, final appendix 11 are divided into six pipelines and respectively enter high voltage converter room, low voltage frequency converter
Room, high-voltage switch gear room, low tension switch room, high tension instrument room and low pressure control room, accordingly, high voltage converter room, low-voltage variable frequency
Device room, high-voltage switch gear room, low tension switch room, high tension instrument room and low pressure control room are also respectively equipped with single gas exhaust piping, its
In, the gas exhaust piping of the low-pressure chamber and hyperbaric chamber of switch gear room 6 and control room 4 accumulates gas exhaust piping extension function case 2
Outside, the hyperbaric chamber of Transducer Room and the gas exhaust piping of low pressure individually extend to the outside of functional compartment 2.
Alternatively, transformer station also includes oxygen content supervising device, as shown in Fig. 2 oxygen content monitoring device includes：Oxygen content
Sensor 101, control oxygen microprocessor 102, alarm 103 and communication module 104；Oxygen-containing quantity sensor 101, the and of alarm 102
Communication module 104 is communicated to connect with control oxygen microprocessor 102 respectively；Oxygen-containing quantity sensor 101, in functional compartment 2,
The oxygen content of functional compartment 2 is detected, oxygen content signal is obtained；Control oxygen microprocessor 102, for receiving and judges that oxygen content signal is
It is no have reach alarm preset value, if it is, send alarm signal and to inert gas conveying device transmission of control signals, if
It is no, then stop sending alarm signal；Alert device, for according to alarm signal alarm or stop alarm；Communication module 104, uses
In receiving the alarm signal and transmit the alarm signal to remote monitoring terminal；Oxygen-containing quantity sensor 101 transmits oxygen content
Signal to the control oxygen microprocessor 102, control oxygen microprocessor 102 to state inert gas conveying device transmission of control signals and to
The alarm 103 and communication module
104 pieces of transmission alarm signals.
Specifically, oxygen-containing quantity sensor 101, in functional compartment, detecting the oxygen content of functional compartment 2, is contained
Oxygen signal.For example, oxygen-containing quantity sensor 201 is separately mounted in transformer room 7, switch gear room 6 and control room 4, function is detected
The oxygen content that case is had family.
Control oxygen microprocessor 102, for receiving and judges whether oxygen content signal has and reaches alarm preset value, if it is,
Alarm signal is then sent, if it is not, then sending alarm stop signal.
Alarm 103, for receiving alarm signal alarm, or receives alarm stop signal stop alarm.
Communication module 104, for receiving alarm signal and transmitting the alarm signal to remote monitoring terminal.
The oxygen-containing quantity sensor 101, alarm 103 and communication module 104 respectively with the communication link of control oxygen microprocessor 102
Connect.
The transmission oxygen content signal of oxygen-containing quantity sensor 101 sends report to oxygen microprocessor 102, control oxygen microprocessor 102 is controlled
Alert or stop signal to alarm 103, communication module 104 and the inert gas conveying device of alarming.
For example：Oxygen-containing quantity sensor 101 detects oxygen content and transmits analog signalses extremely controls oxygen microprocessor 102, controls oxygen
Microprocessor 102 transmits the alarm signal to inert gas conveying device 10 and alarm 103 as 24v switching values are believed after judging
Number, when oxygen amount exceedes the maximum of alarm preset value in functional compartment 2, control oxygen microprocessor 102 sends 24v on-off models
(alarm signal), to inert gas conveying device and the normally opened contact of the relay of alarm, relay receives 24v switching values letter
Number and turn on, inert gas conveying device 10 is started working, there is provided the helium of functional compartment 2, so as to the oxygen being expelled from functional compartment 2
Gas；Alarm 103 is started working, jingle bell warning.When oxygen amount is less than the minimum value of alarm preset value in functional compartment 2, control oxygen is micro-
Processor stops sending 24v on-off models (alarm signal), then will send 24v on-off models (stop alarm signal) hairs
The normally-closed contact of the relay of inert gas conveying device and alarm 103 is delivered to, relay receives 24v on-off models and breaks
Open, inert gas conveying device 10 is stopped, alarm 103 stops warning.Monitor full time function in the course of the work
The oxygen content of each several part in case 2, gives alarm and prompting maintenance when beyond preset value.Wherein, high voltage converter room, low pressure become
Frequency device room, high-voltage switch gear room, low tension switch room, high tension instrument room and low pressure control room individually set oxygen-containing quantity sensor
101。
The embodiment of the present invention has the advantages that：
A kind of binary box-type substation that the present invention is provided, functional compartment and structure case are set by nesting, are effectively enhanced
The structural strength and stability of casing, by ceramic supporting element linkage function case and structure case, realize insulation connection, reduce event
The possibility leaked electricity during barrier, by groove and annular fastener, fixes the installation of functional compartment and structure case and keeps stabilization, by pottery
Enamel coating, improves casing insulating properties and fire retardancy, by inert gas conveying device, oxygen in functional compartment is maintained at into alarming value
Hereinafter, the probability of short circuit burning when not only reducing failure, and delay device aging in power transformation box, device increase uses the longevity
Life.
Embodiment 2
The embodiment of the present invention is additionally provided and the embodiment of the invention provides a kind of binary box-type substation, as shown in figure 1, bag
Include structure case 1, the functional compartment 2 and inert gas conveying device of sealing；
Structure case 1 is internally provided with the receiving space of accommodating functional compartment 2；Functional compartment 2 is internally provided with placement electrical equipment
Receiving space；
Inert gas conveying device is by air delivering pipeline to the delivered inside inert gas of functional compartment 2.Wherein, inert gas is excellent
Elect helium as.
Specifically, inert gas conveying device includes：Inert gas conveyer 10 with air pump, to functional compartment delivered inside
The appendix 11 of gas and the blast pipe 13 to functional compartment external exhaust gas, inert gas conveyer pass through air delivering pipeline and appendix
11 air inlet connection.
The gas outlet of appendix 11 is arranged on inside the functional compartment 2, and the air inlet of blast pipe 13 is arranged in functional compartment 2
Portion, the gas outlet of the blast pipe 13 is arranged on outside functional compartment 2.
Specifically, the air inlet of appendix 11 is provided with equilibrated valve 12, and the gas outlet of blast pipe 13 is provided with pressure balance
Valve 12.
Functional compartment 2 is arranged at the receiving space inside structure case 1 Nei and by multiple support connection devices and 1, structure case
Support connection；
Support connection device includes：With female annular fastener 9 and fixing function case 2 in the support in structure case 1
Part 8, the outer surface of functional compartment 2 is provided with hollow projection corresponding with annular fastener, hollow raised with external screw thread, support member 8
Stretch into and fastened by annular fastener 9 in hollow projection, and be spaced Existential Space between functional compartment 2 and structure case 1.Structure case 1
Side and bottom surface are respectively mounted the attachment means of support member 8.
Specifically, support member 8 is cylindrical ceramic support member.
Specifically, the inner surface of the outer surface of dividing plate and the functional compartment is provided with high temperature resistance layer.
Specifically, high temperature resistance layer is corundum ceramic layer.
Specifically, functional compartment 2 is separated into transformer room 7, switch gear room 6 and control room 4 by dividing plate.
Alternatively, the transformer station also includes temperature control equipment, as shown in figure 3, temperature control equipment includes：Insulation
Layer, for being installed between functional compartment 2 and structure case 1, slows down the temperature sink speed of functional compartment 1；Temperature sensor 201, uses
In in the functional compartment 2, the temperature of the functional compartment 2 is detected, obtain temperature signal；Temperature control microprocessor 202, is used for
Receive and judge whether the temperature signal reaches default holding temperature preset value, if it is, heating signal is sent, if
It is no, then send and stop heating signal；Heater 203, for receiving the heating signal heating, or receives the stopping heating letter
Number；The temperature sensor 201 and the heater 203 are communicated to connect with the temperature control microprocessor 202 respectively；The temperature
Sensor 201 transmits temperature signal to the temperature control microprocessor 202, and the temperature control microprocessor 202 sends heating or stops
Heating signal is to the heater 203.
Specifically, heat-insulation layer, for being installed between functional compartment and structure case, slows down the temperature sink speed of functional compartment 1.
Temperature sensor 201, in functional compartment, detecting the temperature of the functional compartment 2, obtains temperature signal.
For example, temperature sensor 201 is separately mounted in transformer room 7, switch gear room 6 and control room 4, the temperature that detection functional compartment is had family
Degree.
Temperature control microprocessor 202, for receiving and judges whether temperature signal reaches default holding temperature preset value, such as
Fruit is then to send heating signal, if it is not, then sending heating stop signal.
Heater 203, for receiving heating signal heating, or receives heating stop signal.
Temperature sensor 201 and heater 203 are communicated to connect with temperature control microprocessor 202 respectively.
Temperature sensor 201 transmits temperature signal to temperature control microprocessor 202, temperature control microprocessor 202 send heating or
Heat stopping number to heater 203.
For example：The detection temperature of temperature sensor 201 simultaneously transmits analog signalses to temperature control microprocessor 202, the micro- place of temperature control
It is 24v on-off models that reason device 202 is transmitted to the signal of heater 203 after judging, when temperature exceedes preset value in functional compartment 2
During maximum, temperature control microprocessor 202 send 24v on-off models (heating signal) to heater 203 relay it is normally opened
Contact, relay receives 24v on-off models and turns on, and heater 203 is started working, and improves the temperature of functional compartment 2.Work as function
When temperature is less than the minimum value of alarm preset value in case 2, temperature control microprocessor 202 stops sending (the heating of 24v on-off models
Signal), then 24v on-off models (stopping heating signal) are sent to the normally-closed contact of the relay of heater 203, relay
Device receives 24v on-off models and disconnects, and heater 203 is stopped.Wherein, high voltage converter room, low voltage frequency converter room, height
Compress switch room, low tension switch room, high tension instrument room and low pressure control room individually sets temperature sensor 201 and heater
203。
The embodiment of the present invention has the advantages that：
A kind of binary box-type substation that the present invention is provided, functional compartment and structure case are set by nesting, are effectively enhanced
The structural strength and stability of casing, by ceramic supporting element linkage function case and structure case, realize insulation connection, reduce event
The possibility leaked electricity during barrier, by groove and annular fastener, fixes the installation of functional compartment and structure case and keeps stabilization, by pottery
Enamel coating, improves casing insulating properties and fire retardancy, by temperature control equipment, it is ensured that device is in best effort temperature in power transformation box
Degree, improves operational efficiency.
It should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, technical side of the invention is merely to illustrate
Case, is not intended to limit the scope of the present invention.All any modifications all of within principle of the invention, on an equal basis replacement,
Improve etc., it is all contained in protection scope of the present invention.
Claims (9)
1. a kind of binary box-type substation, it is characterised in that including：Structure case, the functional compartment of sealing and inert gas conveying dress
Put；
The structure case is internally provided with the receiving space of the accommodating functional compartment；It is electric that the functional compartment is internally provided with placement
The receiving space of equipment；
The functional compartment is arranged at the receiving space inside the structure case Nei and by multiple support connection devices and the knot
The support connection of structure case；
The inert gas conveying device is by air delivering pipeline to the functional compartment delivered inside inert gas；
The support connection device includes：
With female annular fastener and the fixation functional compartment in the support member in the structure case；
The functional compartment outer surface is provided with hollow projection, and hollow raised the carrying matches with the annular fastener internal thread
The external screw thread of conjunction；
The support member is stretched into and fastened by the annular fastener in the hollow projection, and makes the functional compartment with the structure case
Between Existential Space interval.
2. binary box-type substation according to claim 1, it is characterised in that the inert gas conveying device includes：
Inert gas conveyer with air pump, the appendix to the functional compartment delivered inside gas and to the functional compartment outside
The blast pipe of exhaust；
The inert gas conveyer is connected by air delivering pipeline with the air inlet of the appendix；
The gas outlet of the appendix is arranged on the functional compartment inner top, and the air inlet of the blast pipe is arranged on the function
Case inner bottom part, the gas outlet of the blast pipe is arranged on outside the functional compartment.
3. binary box-type substation according to claim 2, it is characterised in that the gas outlet of the appendix is provided with pressure and puts down
Weighing apparatus valve, the air inlet of the blast pipe is provided with equilibrated valve.
4. binary box-type substation according to claim 1, it is characterised in that the support member is cylindrical ceramic support
Part.
5. binary box-type substation according to claim 1, it is characterised in that the functional compartment is separated into transformation by dividing plate
Device room, switch gear room and control room.
6. binary box-type substation according to claim 5, it is characterised in that the outer surface of the dividing plate and the functional compartment
Inner surface be provided with high temperature resistance layer.
7. binary box-type substation according to claim 6, it is characterised in that the high temperature resistance layer is corundum ceramic layer.
8. the binary box-type substation according to claim 1 to 6 any one, it is characterised in that the binary box type transformation
Standing also includes oxygen content supervising device, and the oxygen content monitoring device includes：Oxygen-containing quantity sensor, control oxygen microprocessor, alarm
Device and communication module；
The oxygen-containing quantity sensor, the alarm and the communication module are connected with the control oxygen microprocessor communication respectively；
The oxygen-containing quantity sensor, in the functional compartment, detecting the oxygen content of the functional compartment, obtains oxygen content
Signal；
The control oxygen microprocessor, for receiving and judges whether the oxygen content signal has and reaches alarm preset value, if it is,
Alarm signal is then sent and to the inert gas conveying device transmission of control signals, if it is not, then stopping sending alarm signal；
The alarm, for according to alarm signal alarm or stop alarm；
The communication module, for receiving the alarm signal and transmitting the alarm signal to remote monitoring terminal；
, to the control oxygen microprocessor, the control oxygen microprocessor is to institute for oxygen content signal described in the oxygen content sensor transmissions
State inert gas conveying device transmission of control signals and send alarm signal to the alarm and the communication module.
9. the binary box-type substation according to claim 1 to 6 any one, it is characterised in that the binary box type transformation
Standing also includes temperature control equipment, and the temperature control equipment includes：
Heat-insulation layer, for being installed between the functional compartment and the structure case, slows down the temperature sink speed of the functional compartment；
Temperature sensor, in the functional compartment, detecting the temperature of the functional compartment, obtains temperature signal；
Temperature control microprocessor, for receiving and judges whether the temperature signal reaches default holding temperature preset value, if
It is then to send heating signal, if it is not, then send stopping heating signal；
Heater, for receiving the heating signal heating, or receives the stopping heating signal；
The temperature sensor and the heater are connected with the temperature control microprocessor communication respectively；
The temperature sensor transmits temperature signal to the temperature control microprocessor, and the temperature control microprocessor sends heating or stops
Only heating signal is to the heater.
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| CN105811288A (en) * | 2016-03-21 | 2016-07-27 | 覃梅花 | High-voltage combined transformer having gas exchange function |
| CN105680339B (en) * | 2016-03-26 | 2018-02-27 | 山东泰山变压器有限公司 | A kind of mobile substation |
| CN112305284A (en) * | 2020-08-11 | 2021-02-02 | 国网浙江省电力有限公司双创中心 | Fireproof electric meter box and fireproof control method |
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| CN1274975A (en) * | 1999-05-21 | 2000-11-29 | 三菱电机株式会社 | Gas-filled switch device |
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