CN209461822U - A kind of small-sized integrated switch cabinet - Google Patents
A kind of small-sized integrated switch cabinet Download PDFInfo
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- CN209461822U CN209461822U CN201822270771.9U CN201822270771U CN209461822U CN 209461822 U CN209461822 U CN 209461822U CN 201822270771 U CN201822270771 U CN 201822270771U CN 209461822 U CN209461822 U CN 209461822U
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- switch cabinet
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Abstract
A kind of small-sized integrated switch cabinet of the utility model, it is characterised in that: the switch cabinet height is 1800mm, and the switch cabinet width is 500mm, and the switch cabinet depth is 900mm；The switch cabinet is separated into cable vault, bus-bar room and control room, metal partion (metp) is provided between the cable vault and the bus-bar room, it is also removably provided with high instrument box above the control room, offers threading groove between the high instrument box and the control room.With miniaturization, safe and reliable, convenient flexible advantage.
Description
Technical field
The utility model relates to electrical equipments, and in particular to high-tension switch cabinet.
Background technique
In the power system, switchgear is widely used as electric energy distributing equipment.The master of switchgear (switchgear)
Act on be generated electricity in electric system, transmitted electricity, the conversion of distribution and electric energy during, opened and closed, controlled and protected use
Electric equipment.Component in switchgear mainly has breaker, disconnecting switch, on-load switch, operating mechanism, mutual inductor and various guarantors
The composition such as protection unit.
Existing switch cabinet structure is varied, and client also constantly proposes new requirement for the design of switchgear.Such as have
A little clients have high requirements for the volume of switchgear, it is desirable that accomplish that the size of switchgear is less than 500x900x1800mm, still
The various parameters (including temperature rise, safe distance etc.) of each electrical component must satisfy national standard, this just brings to design very big
It is difficult.Moreover, vacuum circuit breaker, on-load switch, cabinet body, the structures such as insulating cylinder, insulation connecting lever, isolation knife plate in switching mechanism
It is required to carry out structure improvement for miniaturization, integrated mentality of designing.
In addition, it is noted that interlock is to prevent operator from designing the maloperation of switch, it is main split
Close itself and operation, maintenance, the personnel protection of service personnel.Either power transmission operation or interruption maintenance work are just by certain
Operation sequence carry out.The design of interlocking is exactly a kind of limitation of hardness, exactly in order to ensure operation order be can not bypass the immediate leadership and
Effectively.And common interlock is not applied for miniaturization, integrated switchgear.
Therefore, how to design to the insulation in existing vacuum circuit breaker, on-load switch, cabinet body, especially switching mechanism
Cylinder, insulation connecting lever, the isolation structures such as knife plate improve, it is made to meet the requirement of a kind of miniaturization, integral switch cabinet,
It is those skilled in the art's problem urgently to be resolved.
Utility model content
One of the utility model is designed to provide a kind of compact-sized, and small in size, interlocking is reliable, with long service life
Integral circuit breaker.
The utility model another be designed to provide it is a kind of using above-mentioned integral circuit breaker, miniaturization, peace
Complete reliable switchgear.
One of the utility model is designed to provide a kind of compact-sized, and small in size, interlocking is reliable, with long service life
Integrated on-load switch.
The utility model another be designed to provide it is a kind of using above-mentioned integrated on-load switch, miniaturization,
Safe and reliable switchgear.
One of the utility model is designed to provide a kind of compact-sized, and small in size, interlocking is reliable, with long service life
Integrated combination electric appliance.
The utility model another be designed to provide it is a kind of using above-mentioned integrated combination electric appliance, miniaturization,
Safe and reliable switchgear.
In addition, the utility model also provides a kind of miniaturization, safe and reliable, it is convenient flexible, it can meet simultaneously
State the integral switch cabinet body that integral circuit breaker, integrated on-load switch, integrated combination electric appliance are installed.
Moreover, integral circuit breaker, integrated on-load switch, integrated combination electric appliance are using identical in the utility model
Interlock, the hardened structure of isolation knife, insulation crank arm structure and insulating barrel structure.Therefore, the utility model also has following four
A subhead:
First point of the utility model is designed to provide that a kind of interlocking is reliable, easy to operate integral switch mechanism
Interlocking mechanism.
Second point of the utility model is designed to provide that a kind of contact is reliable, and temperature rise is small, integration with long service life
The isolation knife plate of switching mechanism.
The third of the utility model point is designed to provide a kind of small in size, and few with material, intensity is high, meets creepage distance and wants
The insulating cylinder asked.
The 4th point of the utility model is designed to provide a kind of intensity height, and endurance is big, integral switch small in size
The insulation connecting lever of mechanism.
To achieve the above objectives, the technical solution adopted in the utility model are as follows: a kind of integral circuit breaker includes chassis, disconnected
Road device arc-chutes, disconnecting switch, circuit interrupter grounding switch, operating mechanism, interlocking mechanism, insulating cylinder and insulation connecting lever；
The chassis is used to support, install the road device arc-chutes, the disconnecting switch, the circuit interrupter grounding switch,
The operating mechanism, the interlocking mechanism, the insulating cylinder and the insulation connecting lever, the chassis are also used to be fixedly installed in out
It closes on cabinet body；
The operating mechanism drives the arc-extinguishing chamber of circuit breaker, the disconnecting switch and circuit interrupter grounding switch to carry out
Division；
The arc-extinguishing chamber of circuit breaker can cut-off load current and short circuit current；
The disconnecting switch is used for isolated power supply；The disconnecting switch includes three groups of isolation knife plates, and the isolation knife plate is
Four knife plate structures, isolation knife plate includes knife plate, hold-down bolt, clamp nut, touch spring and spacer sleeve, the knife described in every group
Plate is four pieces, and the hold-down bolt and the clamp nut are two groups, and the hold-down bolt passes through four pieces of knife plate both ends, and
It is fixed by the clamp nut, the knife plate can slide on the hold-down bolt, between the knife plate of two pieces of inside
It is provided with the touch spring, the touch spring is sheathed on the hold-down bolt, and the touch spring forces two pieces of inside
The knife plate outside Slideslip is provided with the spacer sleeve, the spacer sleeve between the inside knife plate and the outside knife plate
It is sheathed on the hold-down bolt, the spacer sleeve is used to limit between the minimum between the inside knife plate and the outside knife plate
Away from；
The circuit interrupter grounding switch is grounded for on-off；Circuit interrupter grounding switch include the first grounding contact,
First earthing, first rotating shaft, the first pulling plate and the first tension spring；First grounding contact is fixedly installed on the breaker and goes out
Arc chamber lower end, first earthing are fixedly installed in the first rotating shaft, and the first rotating shaft is rotatably dispose in the bottom
On frame, first pulling plate is fixedly installed in the first rotating shaft, and first tension spring is set to first pulling plate and institute
It states between chassis；First grounding contact is column contact, and first earthing is Double cutter board structure, first tension spring
It is two, and is respectively arranged at first pulling plate both ends；
The interlocking mechanism is in conjunction with the operating mechanism, for limiting the arc-extinguishing chamber of circuit breaker, the disconnecting switch, institute
State the operation order of circuit interrupter grounding switch and lower cabinet door；Ground connection handle hole and isolated operation are provided on the operating mechanism
Hole, the ground connection handle hole may pass through operation handle, and for the switch of circuit interrupter grounding described in division, the isolated operation hole can be worn
Operation handle is crossed, for disconnecting switch described in division；The interlocking mechanism includes Xiamen interlock plate, interlocking top plate, ground connection interlocking
Plate, intermediate interlock plate and isolation interlock plate；The Xiamen interlock plate is fixedly installed on lower cabinet door, edge on the Xiamen interlock plate
Vertical direction offers lockhole, and the interlocking top plate is in 7 fonts, and the interlocking top plate is articulated with the operation machine along inward-outward direction
On structure, the interlocking top plate both ends can contradict Xiamen interlock plate and the ground connection interlock plate respectively, and the ground connection interlock plate is along perpendicular
For histogram to being slideably positioned on the operating mechanism, the ground connection interlock plate extends inwardly contact projection, the interlocking top plate
Upper end can contradict the contact projection, be provided with lock pillar below the contact projection, the lock pillar can pass in and out the lockhole, described
Ground connection interlocking tension spring is provided between ground connection interlock plate and the operating mechanism, the ground connection interlocking tension spring forces the ground connection to join
Jam plate upward sliding, the intermediate interlock plate are slideably positioned in along the vertical direction on the operating mechanism, the intermediate interlock plate
Intermediate interlocking tension spring is provided between the operating mechanism, the intermediate interlocking tension spring forces the intermediate interlock plate to slide up
Dynamic, the isolation interlock plate is slideably positioned in along the vertical direction on the operating mechanism；The wherein interlocking top plate both ends setting
There is contact disk.
When the lower cabinet door is opened, the arc-extinguishing chamber of circuit breaker and the disconnecting switch are in gate-dividing state, the open circuit
Device earthing switch is in "on" position, and the ground connection interlock plate in the top and blocks under the action of the interlocking tension spring
The ground connection handle hole, limitation operate circuit interrupter grounding switch；When the lower cabinet door is closed, the lower gate interlock
Plate contradicts the interlocking top plate lower end, and the interlocking top plate is flipped, and the interlocking top plate upper end contradicts the contact projection,
Make the ground connection interlock plate slide downward, the lock pillar enters the lockhole, and the ground connection handle hole is opened, and can carry out institute at this time
State the sub-switching operation of circuit interrupter grounding switch；The circuit interrupter grounding switchs separating brake, is driven in described by the operating mechanism
Between interlock plate slide downward can be carried out at this time until the ground connection handle hole and the isolated operation hole are in opening state
The closing operation of the disconnecting switch；The disconnecting switch is closed a floodgate, by the operating mechanism drive the intermediate interlock plate to
Lower slider, until the intermediate interlock plate blocks the ground connection handle hole, limitation operates the ground connection handle hole, at this time
It can carry out the closing operation of the arc-extinguishing chamber of circuit breaker；The arc-extinguishing chamber of circuit breaker closes a floodgate, and drives institute by the operating mechanism
Isolation interlock plate upward sliding is stated, until the isolation interlock plate blocks the isolated operation hole, limitation is to the disconnecting switch
It is operated；
The insulating cylinder is used for insulating protection, and for installing the arc-extinguishing chamber of circuit breaker and the disconnecting switch；Institute
Stating insulating cylinder includes cylinder, extension and arched door section, and for installing the arc-extinguishing chamber of circuit breaker, the extension is set the cylinder
It is placed in above the cylinder, the arched door section is set to above the extension, and the arched door section is in arched door shape, the arched door
Section allows the disconnecting switch to pass through for installing the disconnecting switch；The insulating cylinder lower end offers a hinge hole, institute
It states insulation connecting lever to be articulated in the cylinder hinge hole, is provided with an inserts in the cylinder hinge hole, on the cylinder inserts diametrically
Direction extends outward reinforcing rod；
The insulation connecting lever is in broken line for connecting the arc-extinguishing chamber of circuit breaker and the operating mechanism, the insulation connecting lever
Shape, the insulation connecting lever both ends offer connecting lever hinge hole, and the insulation connecting lever middle section offers mounting hole, the insulation connecting lever
It is articulated in the cylinder hinge hole by passing through shaft in the mounting hole, it is embedding to be provided with connecting lever in the connecting lever hinge hole
Part is arranged with flower piece on the connecting lever inserts.
It is a kind of integration on-load switch include chassis, on-load switch arc-chutes, disconnecting switch, on-load switch earthing switch,
Operating mechanism, interlocking mechanism, insulating cylinder and insulation connecting lever；
The chassis is used to support, install the road device arc-chutes, the disconnecting switch, the on-load switch ground connection are opened
Pass, the operating mechanism, the interlocking mechanism, the insulating cylinder and the insulation connecting lever, the chassis are also used to be fixedly mounted
In on switch cabinet；
The operating mechanism drives the on-load switch arc-chutes, the disconnecting switch and the on-load switch earthing switch
Carry out division；
The on-load switch arc-chutes can cut-off load current；
The disconnecting switch is used for isolated power supply；The disconnecting switch includes three groups of isolation knife plates, and the isolation knife plate is
Four knife plate structures, isolation knife plate includes knife plate, hold-down bolt, clamp nut, touch spring and spacer sleeve, the knife described in every group
Plate is four pieces, and the hold-down bolt and the clamp nut are two groups, and the hold-down bolt passes through four pieces of knife plate both ends, and
It is fixed by the clamp nut, the knife plate can slide on the hold-down bolt, between the knife plate of two pieces of inside
It is provided with the touch spring, the touch spring is sheathed on the hold-down bolt, and the touch spring forces two pieces of inside
The knife plate outside Slideslip is provided with the spacer sleeve, the spacer sleeve between the inside knife plate and the outside knife plate
It is sheathed on the hold-down bolt, the spacer sleeve is used to limit between the minimum between the inside knife plate and the outside knife plate
Away from；
The on-load switch earthing switch is grounded for on-off；The on-load switch earthing switch includes the second ground connection touching
Head, the second earthing, the second shaft, the second pulling plate and the second tension spring；Second grounding contact is fixedly installed on the load
Arc-chutes lower end is switched, second earthing is fixedly installed in second shaft, and second shaft is rotatably dispose in
On the chassis, second pulling plate is fixedly installed in second shaft, and second tension spring is set to described second and draws
Between plate and the chassis；Second grounding contact is claw structure, and second earthing is the hardened structure of hilted broadsword；
The interlocking mechanism in conjunction with the operating mechanism, for limit the on-load switch arc-chutes, the disconnecting switch,
The operation order of the on-load switch earthing switch and lower cabinet door；Ground connection handle hole and isolation behaviour are provided on the operating mechanism
Make hole, the ground connection handle hole may pass through operation handle, for on-load switch earthing switch described in division, the isolated operation hole
It may pass through operation handle, for disconnecting switch described in division；The interlocking mechanism includes Xiamen interlock plate, interlocking top plate, ground connection
Interlock plate, intermediate interlock plate and isolation interlock plate；The Xiamen interlock plate is fixedly installed on lower cabinet door, the Xiamen interlock plate
On offer lockhole along the vertical direction, the interlocking top plate is in 7 fonts, and the interlocking top plate is articulated with the behaviour along inward-outward direction
Make in mechanism, the interlocking top plate both ends can contradict Xiamen interlock plate and the ground connection interlock plate, the ground connection interlock plate respectively
It is slideably positioned on the operating mechanism along the vertical direction, the ground connection interlock plate extends inwardly contact projection, the interlocking
Top plate upper end can contradict the contact projection, be provided with lock pillar below the contact projection, and the lock pillar can pass in and out the lockhole,
Ground connection interlocking tension spring is provided between the ground connection interlock plate and the operating mechanism, the ground connection interlocking tension spring forces described connect
Ground interlock plate upward sliding, the intermediate interlock plate are slideably positioned in along the vertical direction on the operating mechanism, the intermediate connection
Be provided with intermediate interlocking tension spring between jam plate and the operating mechanism, the intermediate interlocking tension spring force the intermediate interlock plate to
Upper sliding, the isolation interlock plate are slideably positioned in along the vertical direction on the operating mechanism；The wherein interlocking top plate both ends
It is provided with contact disk.
When the lower cabinet door is opened, the on-load switch arc-chutes and the disconnecting switch are in gate-dividing state, described negative
Lotus switch earthing switch is in "on" position, and the ground connection interlock plate is under the action of the interlocking tension spring, simultaneously in the top
The ground connection handle hole is blocked, limitation operates the on-load switch earthing switch；When the lower cabinet door is closed, under described
Couplet on the door jam plate contradicts the interlocking top plate lower end, and the interlocking top plate is flipped, and connects described in the interlocking top plate upper end conflict
Touching protrusion makes the ground connection interlock plate slide downward, and the lock pillar enters the lockhole, and the ground connection handle hole is opened, at this time
It can carry out the sub-switching operation of the on-load switch earthing switch；The on-load switch grounding switch tripping passes through the operation machine
Structure drives the intermediate interlock plate slide downward, until the ground connection handle hole and the isolated operation hole are in open shape
State can carry out the closing operation of the disconnecting switch at this time；The disconnecting switch is closed a floodgate, by described in operating mechanism drive
Intermediate interlock plate slide downward, until the intermediate interlock plate blocks the ground connection handle hole, limitation is to the ground connection handle hole
It is operated, the closing operation of the on-load switch arc-chutes can be carried out at this time；The on-load switch arc-chutes close a floodgate, and pass through institute
It states operating mechanism and drives the isolation interlock plate upward sliding, until the isolation interlock plate blocks the isolated operation hole, limit
System operates the disconnecting switch；
The insulating cylinder is used for insulating protection, and for installing the on-load switch arc-chutes and the disconnecting switch；
The insulating cylinder includes cylinder, extension and arched door section, and the cylinder is for installing the on-load switch arc-chutes, the extension
Section is set to above the cylinder, and the arched door section is set to above the extension, and the arched door section is in arched door shape, described
Arched door section allows the disconnecting switch to pass through for installing the disconnecting switch；It is hinged that the insulating cylinder lower end offers cylinder
Hole, the insulation connecting lever are articulated in the cylinder hinge hole, and an inserts, edge on the cylinder inserts are provided in the cylinder hinge hole
Diametrical direction extends outward reinforcing rod；
The insulation connecting lever is for connecting the on-load switch arc-chutes and the operating mechanism, and the insulation connecting lever is in folding
Linear, the insulation connecting lever both ends offer connecting lever hinge hole, and the insulation connecting lever middle section offers mounting hole, and the insulation is turned
Arm is articulated in the cylinder hinge hole by passing through shaft in the mounting hole, and it is embedding to be provided with connecting lever in the connecting lever hinge hole
Part is arranged with flower piece on the connecting lever inserts.
A kind of integrated combination electric appliance include chassis, on-load switch arc-chutes, disconnecting switch, combined electrical apparatus earthing switch,
Operating mechanism, interlocking mechanism, insulating cylinder, insulation connecting lever and fuse；
The chassis is used to support, install the road device arc-chutes, the disconnecting switch, the combined electrical apparatus ground connection are opened
Pass, the operating mechanism, the interlocking mechanism, the insulating cylinder and the insulation connecting lever, the chassis are also used to be fixedly mounted
In on switch cabinet；
The operating mechanism drives the on-load switch arc-chutes, the disconnecting switch and the combined electrical apparatus earthing switch
Carry out division；
The on-load switch arc-chutes can cut-off load current；
The fuse is for cut-offfing short circuit current；The fuse includes mounting base, insulator and fusible core, the installation
Seat upper end is fixedly installed on on-load switch arc-chutes lower end, and the mounting base lower end is fixedly installed on by the insulator
On the chassis, the fusible core is arranged in the mounting base；
The disconnecting switch is used for isolated power supply；The disconnecting switch includes three groups of isolation knife plates, and the isolation knife plate is
Four knife plate structures, isolation knife plate includes knife plate, hold-down bolt, clamp nut, touch spring and spacer sleeve, the knife described in every group
Plate is four pieces, and the hold-down bolt and the clamp nut are two groups, and the hold-down bolt passes through four pieces of knife plate both ends, and
It is fixed by the clamp nut, the knife plate can slide on the hold-down bolt, between the knife plate of two pieces of inside
It is provided with the touch spring, the touch spring is sheathed on the hold-down bolt, and the touch spring forces two pieces of inside
The knife plate outside Slideslip is provided with the spacer sleeve, the spacer sleeve between the inside knife plate and the outside knife plate
It is sheathed on the hold-down bolt, the spacer sleeve is used to limit between the minimum between the inside knife plate and the outside knife plate
Away from；
The combined electrical apparatus earthing switch is grounded for on-off；The combined electrical apparatus earthing switch includes third ground connection touching
Head, third earthing, third shaft, third pulling plate and third tension spring；The third grounding contact is fixedly installed under mounting base
End, the third earthing are fixedly installed in the third shaft, and the third shaft is rotatably dispose on the chassis, institute
Third pulling plate is stated to be fixedly installed in the third shaft, the third tension spring be set to the third pulling plate and the chassis it
Between；The third grounding contact is claw structure, and the third earthing is the hardened structure of hilted broadsword, connects to the third knife from upper past
Lower card is set in the third grounding contact；
The interlocking mechanism in conjunction with the operating mechanism, for limit the on-load switch arc-chutes, the disconnecting switch,
The operation order of the combined electrical apparatus earthing switch and lower cabinet door；Ground connection handle hole and isolation behaviour are provided on the operating mechanism
Make hole, the ground connection handle hole may pass through operation handle, for combined electrical apparatus earthing switch described in division, the isolated operation hole
It may pass through operation handle, for disconnecting switch described in division；The interlocking mechanism includes Xiamen interlock plate, interlocking top plate, ground connection
Interlock plate, intermediate interlock plate and isolation interlock plate；The Xiamen interlock plate is fixedly installed on lower cabinet door, the Xiamen interlock plate
On offer lockhole along the vertical direction, the interlocking top plate is in 7 fonts, and the interlocking top plate is articulated with the behaviour along inward-outward direction
Make in mechanism, the interlocking top plate both ends can contradict Xiamen interlock plate and the ground connection interlock plate, the ground connection interlock plate respectively
It is slideably positioned on the operating mechanism along the vertical direction, the ground connection interlock plate extends inwardly contact projection, the interlocking
Top plate upper end can contradict the contact projection, be provided with lock pillar below the contact projection, and the lock pillar can pass in and out the lockhole,
Ground connection interlocking tension spring is provided between the ground connection interlock plate and the operating mechanism, the ground connection interlocking tension spring forces described connect
Ground interlock plate upward sliding, the intermediate interlock plate are slideably positioned in along the vertical direction on the operating mechanism, the intermediate connection
Be provided with intermediate interlocking tension spring between jam plate and the operating mechanism, the intermediate interlocking tension spring force the intermediate interlock plate to
Upper sliding, the isolation interlock plate are slideably positioned in along the vertical direction on the operating mechanism；The wherein interlocking top plate both ends
It is provided with contact disk.
When the lower cabinet door is opened, the on-load switch arc-chutes and the disconnecting switch are in gate-dividing state, and described group
It closes electric appliance ground switch and is in "on" position, the ground connection interlock plate is under the action of the interlocking tension spring, simultaneously in the top
The ground connection handle hole is blocked, limitation operates the combined electrical apparatus earthing switch；When the lower cabinet door is closed, under described
Couplet on the door jam plate contradicts the interlocking top plate lower end, and the interlocking top plate is flipped, and connects described in the interlocking top plate upper end conflict
Touching protrusion makes the ground connection interlock plate slide downward, and the lock pillar enters the lockhole, and the ground connection handle hole is opened, at this time
It can carry out the sub-switching operation of the combined electrical apparatus earthing switch；The combined electrical apparatus grounding switch tripping passes through the operation machine
Structure drives the intermediate interlock plate slide downward, until the ground connection handle hole and the isolated operation hole are in open shape
State can carry out the closing operation of the disconnecting switch at this time；The disconnecting switch is closed a floodgate, by described in operating mechanism drive
Intermediate interlock plate slide downward, until the intermediate interlock plate blocks the ground connection handle hole, limitation is to the ground connection handle hole
It is operated, the closing operation of the on-load switch arc-chutes can be carried out at this time；The on-load switch arc-chutes close a floodgate, and pass through institute
It states operating mechanism and drives the isolation interlock plate upward sliding, until the isolation interlock plate blocks the isolated operation hole, limit
System operates the disconnecting switch；
The insulating cylinder is used for insulating protection, and for installing the on-load switch arc-chutes and the disconnecting switch；
The insulating cylinder includes cylinder, extension and arched door section, and the cylinder is for installing the on-load switch arc-chutes, the extension
Section is set to above the cylinder, and the arched door section is set to above the extension, and the arched door section is in arched door shape, described
Arched door section allows the disconnecting switch to pass through for installing the disconnecting switch；It is hinged that the insulating cylinder lower end offers cylinder
Hole, the insulation connecting lever are articulated in the cylinder hinge hole, and an inserts, edge on the cylinder inserts are provided in the cylinder hinge hole
Diametrical direction extends outward reinforcing rod；
The insulation connecting lever is for connecting the on-load switch arc-chutes and the operating mechanism, and the insulation connecting lever is in folding
Linear, the insulation connecting lever both ends offer connecting lever hinge hole, and the insulation connecting lever middle section offers mounting hole, and the insulation is turned
Arm is articulated in the cylinder hinge hole by passing through shaft in the mounting hole, and it is embedding to be provided with connecting lever in the connecting lever hinge hole
Part is arranged with flower piece on the connecting lever inserts.
As the identical improvement of above-mentioned three kinds of switching mechanisms, the knife plate front end offers deformation slot, the knife plate front end
Inside is provided with arc convex, and the arc convex is two, and is located at deformation slot two sides.The knife plate and the compression
The touch spring, the contact bullet of two sides are additionally provided between bolt and between the knife plate and the clamp nut
Spring forces two pieces of inside Slideslips of knife plate in outside；Pad is provided between the knife plate and the touch spring of two sides
Piece.The first full skirt is provided on the extension, first full skirt connects the full skirt of the cylinder, and arched door section two sides are set
It is equipped with the second full skirt；The reinforcing rod two sides are provided with detent projection.The connecting lever hinge hole at both ends and the mounting hole it
Between be provided with connecting lever full skirt；Restraining position ring block is set on the outside of the connecting lever inserts, offers flower trough on the inside of the flower piece；It is described to turn
Arm hinge hole is offset up.
A kind of circuit breaker switch cabinet, including breaker, further include switch cabinet, upper cabinet door, lower cabinet door, current transformer,
Voltage sensor and arrester, the upper cabinet door and the lower cabinet door are articulated on front side of the switch cabinet, and the breaker is solid
Surely it is set on the left of the switch cabinet, the current transformer, the voltage sensor and the arrester are fixedly installed on
On the right side of the switch cabinet, pass through between the breaker, the current transformer, the voltage sensor and the arrester
Copper bar connection.
A kind of on-load switch switchgear, including on-load switch further include switch cabinet, upper cabinet door, lower cabinet door, Current Mutual Inductance
Device, voltage sensor and arrester, the upper cabinet door and the lower cabinet door are articulated on front side of the switch cabinet, and the load is opened
Pass is fixedly installed on the left of the switch cabinet, and the current transformer, the voltage sensor and arrester fixation are set
Be placed on the right side of the switch cabinet, the on-load switch, the current transformer, the voltage sensor and the arrester it
Between pass through copper bar connect.
A kind of combined electrical apparatus switchgear, including combined electrical apparatus further include switch cabinet, upper cabinet door, lower cabinet door, Current Mutual Inductance
Device, voltage sensor and arrester, the upper cabinet door and the lower cabinet door are articulated on front side of the switch cabinet, and the load is opened
Pass is fixedly installed on the left of the switch cabinet, and the current transformer, the voltage sensor and arrester fixation are set
Be placed on the right side of the switch cabinet, the on-load switch, the current transformer, the voltage sensor and the arrester it
Between pass through copper bar connect.
As the identical switch cabinet structure of above-mentioned three kinds of switchgears, switch cabinet height is 1800mm, described to open
Pass cabinet body width is 500mm, and the switch cabinet depth is 900mm；The switch cabinet is separated into cable vault, bus-bar room and instrument
Table room is provided with metal partion (metp), is also removably provided with above the control room between the cable vault and the bus-bar room
High instrument box offers threading groove between the high instrument box and the control room.Metal is provided at the top of the switch cabinet
Heat sink.
Compared with the prior art, the advantages of the utility model are:
1, switching mechanism (including breaker, on-load switch and combined electrical apparatus)+disconnecting switch+earthing switch integral type is set
Meter, simplified switch installation steps, and switching mechanism can still carry out testing mechanical characteristic after being mounted in switch cabinet.Three kinds of switches
Cabinet (including circuit breaker switch cabinet, on-load switch switchgear and combined electrical apparatus switchgear) whole design highlights environmental protection, economic, letter
It is single, the advantages such as facilitate, and be easy to intelligent, one or two fusion developments, meet the development trend of panel switches, there is extremely strong city
Field competitiveness.
2, switch cabinet have the characteristics that miniaturization, it is integrated, size Control meets client's in 500x900x1800mm
Particular/special requirement.In addition, bus-bar room compartment uses metal partion (metp), meet PM compartment requirements；Electrical body distance to the ground is greater than 125mm,
And when disconnecting switch gate-dividing state, isolation knife plate distance to the ground is still greater than 125mm, meets safety requirements.High instrument box can
Disassembly setting energy convenient transportation, installation, are also beneficial to radiate, meet the requirement of its temperature rise test；Metallic heat radiating plate is opened for improving
The heat dissipation performance for closing cabinet body meets the requirement of its temperature rise test.
3, the isolation knife plate of four knife plate structures has bigger through-current capability, also increases heat dissipation area；And multiple contacts
The setting of spring makes have bigger pressure between two pieces of knife plates；The setting of arc convex is become a little by the original line way of contact
The way of contact, so that contact is relatively reliable；And certain deformation occurs for the design of deformation slot, knife plate, so that the arc of two sides is convex
Rising can respectively contact in place.Above-mentioned several aspects can substantially reduce the heat that isolation knife plate part generates, and can meet temperature rise
Test requirements document.
4, power transmission operation order: close lower cabinet door --- divide earthing switch --- close disconnecting switch --- close arc-chutes (including
Arc-extinguishing chamber of circuit breaker and on-load switch arc-chutes)；Interruption maintenance operation order: divide arc-chutes --- point disconnecting switch --- splice grafting
Ground switch --- open lower cabinet door；The interlocking mechanism of this programme can guarantee that equipment can only be operated according to above two sequence, full
Foot " five is anti-" interlock requirement.
5, insulating cylinder reduces volume under the premise of meeting safety specifically as far as possible；The design of integrated insulating cylinder, makes
Obtaining can plan as a whole to install arc-chutes and disconnecting switch, keep its structure more compact.Arc extinguishing can increase by the setting of extension simultaneously
It is specific between room and disconnecting switch, guarantee its safety；The design disconnecting switch of arched door section is easy for installation, in a limited space
Interior progress division movement.The setting of first full skirt, the second full skirt can increase creepage distance.Due to being connection insulation in cylinder hinge hole
Connecting lever, whens division arc-chutes, will receive great impact force, therefore be provided with cylinder inserts, guarantee the intensity of cylinder hinge hole；And
The setting of reinforcing rod increases the contact area of an inserts and insulating cylinder, is firmly fixed on an inserts more in insulating cylinder.
6, the structure of insulation connecting lever fold-line-shaped, enables its front end to extend into insulating cylinder, and the connecting lever that enables to insulate is limited
Space in carry out division movement；The connecting lever hinge hole at insulation connecting lever both ends will receive great impact when divide-shut brake
Power, therefore it is provided with connecting lever inserts, guarantee the intensity of connecting lever hinge hole；Flower piece is equivalent to the skeleton of insulation connecting lever hinge portion,
The ability to bear that insulation connecting lever can be greatly increased, guarantees its intensity；The setting of connecting lever full skirt, which can guarantee, meets wanting for creepage distance
It asks；The setting of stop collar and sliding slot can increase and the contact area for the connecting lever that insulate, and keeps its fixation more firm；Since connecting lever is hinged
The impact force that hole receives when closing a floodgate is bigger, therefore the design on the low side of connecting lever hinge hole, so that the lower section of connecting lever hinge hole is more thick and solid,
In the case where the connecting lever size that insulate limits, increase its ability to bear as far as possible.
Detailed description of the invention
Fig. 1 is the schematic perspective view of circuit breaker switch cabinet in a kind of preferred embodiment according to the present utility model；
Fig. 2 is the rearview of circuit breaker switch cabinet in a kind of preferred embodiment according to the present utility model；
Fig. 3 is the side view of circuit breaker switch cabinet in a kind of preferred embodiment according to the present utility model；
Fig. 4 is the schematic perspective view of switch cabinet in a kind of preferred embodiment according to the present utility model；
Fig. 5 and Fig. 6 is the schematic perspective view of breaker in a kind of preferred embodiment according to the present utility model；Wherein
The side view of circuit interrupter grounding switch is also shown in Fig. 6；
Fig. 7 and Fig. 8 is the schematic perspective view of on-load switch in a kind of preferred embodiment according to the present utility model；Its
The side view of on-load switch earthing switch is also shown in middle Fig. 8；
Fig. 9 and Figure 10 is the schematic perspective view of combined electrical apparatus in a kind of preferred embodiment according to the present utility model；
The side view of combined electrical apparatus earthing switch is wherein also shown in Figure 10；
Figure 11 is the schematic perspective view that knife plate is isolated in a kind of preferred embodiment according to the present utility model；
Figure 12 is the end enlarged view that knife plate is isolated in a kind of preferred embodiment according to the present utility model；
Figure 13 is the explosive view that knife plate is isolated in a kind of preferred embodiment according to the present utility model；
Figure 14 is the main view of knife plate in a kind of preferred embodiment according to the present utility model；
Figure 15 is the schematic perspective view of insulation connecting lever in a kind of preferred embodiment according to the present utility model；
Figure 16 is the schematic diagram of internal structure of insulation connecting lever in a kind of preferred embodiment according to the present utility model；
Figure 17 is the schematic perspective view of flower piece in a kind of preferred embodiment according to the present utility model；
Figure 18 is the schematic perspective view of connecting lever inserts in a kind of preferred embodiment according to the present utility model；
Figure 19 is the schematic perspective view of insulating cylinder in a kind of preferred embodiment according to the present utility model；
Figure 20 is the schematic perspective view of cylinder inserts in a kind of preferred embodiment according to the present utility model；
Figure 21 is the main view of insulating cylinder in a kind of preferred embodiment according to the present utility model；
Figure 22 is the cross-sectional view in a kind of preferred embodiment Figure 21 according to the present utility model along the direction A-A；
Figure 23 to 27 be in a kind of preferred embodiment according to the present utility model interlocking mechanism in power transmission operation order
State change schematic diagram.
Specific embodiment
It is described below for disclosing the utility model so that those skilled in the art can be realized the utility model.It retouches below
Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
In the description of the present invention, it should be noted that for the noun of locality, if any term " center ", " transverse direction ",
" longitudinal direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, narration the utility model is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, constructed and operated with particular orientation, should not be understood as the specific protection model for limiting the utility model
It encloses.
It is the knot of circuit breaker switch cabinet in a preferred embodiment of the utility model as shown in Fig. 1 to 6 and Figure 11 to 27
Structure schematic diagram；As shown in Fig. 4, Fig. 7, Fig. 8 and Figure 11 to 27, on-load switch is switched in a preferred embodiment of the utility model
The structural schematic diagram of cabinet；As shown in Fig. 4 and Figure 10 to 27, combined electrical apparatus switchgear in a preferred embodiment of the utility model
Structural schematic diagram.Since breaker 100, on-load switch 200 are identical with the basic structure of combined electrical apparatus 300, this implementation
Killer switch cabinet will be described in detail in example, and to on-load switch switchgear, combined electrical apparatus switchgear and breaker
Switchgear difference is described, and three's something in common is not repeated to describe.
As shown in Figures 1 to 3, circuit breaker switch cabinet includes breaker 100, switch cabinet 400, upper cabinet door 500, lower cabinet door
600, current transformer 700, voltage sensor 800 and arrester 900, upper cabinet door 500 and lower cabinet door 600 are articulated with switch cabinet
400 front sides, breaker 100 are fixedly installed on the left side of switch cabinet 400, current transformer 700, voltage sensor 800 and lightning-arrest
Device 900 is fixedly installed on 400 right side of switch cabinet, breaker 100, current transformer 700, voltage sensor 800 and arrester
It is connected between 900 by copper bar.Above structure and installation site make switch cabinet structure more compact, to meet size requirement.
It is noted that the similarly suitable installation on-load switch 200 of above-mentioned switch cabinet structure and combined electrical apparatus 300, and
The installation site and mounting means of on-load switch 200 and combined electrical apparatus 300 are and breaker 100 is identical, can directly replace disconnected
Although road device 100. therefore the present embodiment only show the specific structure of circuit breaker switch cabinet, but this does not interfere on-load switch to open
Close the abundant disclosure of cabinet and combined electrical apparatus switch cabinet structure.
As shown in figure 4,400 height of switch cabinet is 1800mm, 400 width of switch cabinet is 500mm, switch cabinet 400
Depth is 900mm；Switch cabinet 400 is separated into cable vault 401, bus-bar room 402 and control room 403, cable vault 401 and bus-bar room
It is provided with metal partion (metp) 405 between 402, high instrument box 404, high instrument box 404 are also removably provided with above control room 403
Threading groove 4041 is offered between control room 403.Metallic heat radiating plate 406 is provided at the top of switch cabinet 400.
As shown in Figure 5 and Figure 6, the breaker 100 of the present embodiment include chassis 1, arc-extinguishing chamber of circuit breaker 2, disconnecting switch 3,
Circuit interrupter grounding switch 4, operating mechanism 5, interlocking mechanism 6, insulating cylinder 7 and insulation connecting lever 8.It is specific:
Chassis 1 is used to support, installs road device arc-chutes 2, disconnecting switch 3, circuit interrupter grounding switch 4, operating mechanism 5, connection
Latch mechanism 6, insulating cylinder 7 and insulation connecting lever 8, chassis 1 are also used to be fixedly installed on switch cabinet 400.
Operating mechanism 5 drives arc-extinguishing chamber of circuit breaker 2, disconnecting switch 3 and circuit interrupter grounding switch 4 to carry out division.
Arc-extinguishing chamber of circuit breaker 2 can cut-off load current and short circuit current.
Circuit interrupter grounding switch 4 is grounded for on-off；Circuit interrupter grounding switch 4 includes the first grounding contact 41, first
Earthing 42, first rotating shaft 43, the first pulling plate 44 and the first tension spring 45；First grounding contact 41 is fixedly installed on breaker arc extinguishing
2 lower end of room, the first earthing 42 are fixedly installed in first rotating shaft 43, and first rotating shaft 43 is rotatably dispose on chassis 1, and first draws
Plate 44 is fixedly installed in first rotating shaft 43, and the first tension spring 45 is set between the first pulling plate 44 and chassis 1；First grounding contact
41 be column contact, and the first earthing 42 is Double cutter board structure, and the first tension spring 45 is two, and is respectively arranged at the first pulling plate
44 both ends.First tension spring 45 two can increase the operating work of earthing switch, keep divide-shut brake more reliable rapidly.
As shown in Figure 11 to 14, disconnecting switch 3 is used for isolated power supply；Disconnecting switch 3 includes three groups of isolation knife plates 31,
Isolation knife plate 31 is four knife plate structures, and every group of isolation knife plate 31 includes knife plate 311, hold-down bolt 312, clamp nut 313, contact
Spring 314 and spacer sleeve 315, knife plate 311 are four pieces, and hold-down bolt 312 and clamp nut 313 are two groups, and hold-down bolt 312 is worn
Four pieces of knife plate both ends are crossed, and are fixed by clamp nut 313, knife plate 311 can slide on hold-down bolt 312, inside two
Touch spring 314 is provided between block knife plate 311, touch spring 314 is sheathed on hold-down bolt 312, and touch spring 315 forces
The outside Slideslip of two pieces of inside knife plate 311, is provided with spacer sleeve 315, spacer sleeve between inside knife plate 311 and outside knife plate 311
315 are sheathed on hold-down bolt 312, and spacer sleeve 315 is used to limit between the minimum between inside knife plate 311 and outside knife plate 311
Away from.Wherein, 311 front end of knife plate offers deformation slot 3112, and 311 leading inside of knife plate is provided with arc convex 3111, and arc is convex
Playing 3111 is two, and is located at 3112 two sides of deformation slot.Between knife plate 311 and hold-down bolt 312 and knife plate 311 and compress
Touch spring 314 is additionally provided between nut 313, the touch spring 314 of two sides forces two pieces of knife plates 311 in outside inwardly to break away
It is dynamic；Gasket 316 is provided between the knife plate 311 and touch spring 314 of two sides.
As shown in Figure 23 to 27,6 binding operation mechanism 5, interlocking mechanism is used for limiting circuit breaker arc-chutes 2, disconnecting switch
3, the operation order of circuit interrupter grounding switch 4 and lower cabinet door 600；Ground connection handle hole 6a and isolation behaviour are provided on operating mechanism 5
Make hole 6b, ground connection handle hole 6a may pass through operation handle, and (similarly suitable division load is opened for division circuit interrupter grounding switch 4
Close earthing switch 4 ' and combined electrical apparatus earthing switch 4 ", similarly hereinafter), isolated operation hole 6b may pass through operation handle, for division every
Leave pass 3；Interlocking mechanism 6 includes Xiamen interlock plate 61, interlocking top plate 62, ground connection interlock plate 63, intermediate interlock plate 64 and isolation
Interlock plate 65；Xiamen interlock plate 61 is fixedly installed on lower cabinet door 600, offers lockhole along the vertical direction on Xiamen interlock plate 61
611, interlocking top plate 62 is in 7 fonts, and interlocking top plate 62 is articulated on operating mechanism 5 along inward-outward direction, and interlocking 62 both ends of top plate can
Xiamen interlock plate 61 and ground connection interlock plate 63 are contradicted respectively, and ground connection interlock plate 63 is slideably positioned in operating mechanism 5 along the vertical direction
On, ground connection interlock plate 63 extends inwardly contact projection 631, and interlocking 62 upper end of top plate can contradict contact projection 631, contact projection
631 lower sections are provided with lock pillar 632, and lock pillar 632 can pass in and out lockhole 611, be provided with and connect between ground connection interlock plate 63 and operating mechanism 5
Ground interlocks tension spring 633, and ground connection interlocking tension spring 633 forces ground connection 63 upward sliding of interlock plate, and intermediate interlock plate 64 is along the vertical direction
It is slideably positioned on operating mechanism 5, intermediate interlocking tension spring 641, centre connection is provided between intermediate interlock plate 64 and operating mechanism 5
Lock tension spring 641 forces intermediate 64 upward sliding of interlock plate, and isolation interlock plate 65 is slideably positioned in operating mechanism 5 along the vertical direction
On.Wherein, interlocking top plate both ends be provided with contact disk 621, contact disk 621 make contradict it is more smooth, prevent abrasion and
Clamping stagnation.
The workflow of interlocking mechanism is as follows: when lower cabinet door is opened, arc-extinguishing chamber of circuit breaker (is equally applicable to on-load switch to go out
Arc chamber 2 ', similarly hereinafter) and disconnecting switch is in gate-dividing state, and circuit interrupter grounding switch is in "on" position, and ground connection interlock plate is joining
Under the action of locking tension spring, in the top and ground connection handle hole is blocked, limitation operates circuit interrupter grounding switch；Lower cabinet door
When closing, Xiamen interlock plate contradicts interlocking top plate lower end, and interlocking top plate is flipped, and interlocking top plate upper end contradicts contact projection,
Make to be grounded interlock plate slide downward, lock pillar enters lockhole, and ground connection handle hole is opened, and can carry out point of circuit interrupter grounding switch at this time
Lock operation；Circuit interrupter grounding switchs separating brake, drives intermediate interlock plate slide downward by operating mechanism, until ground connection handle hole and
Isolated operation hole is in opening state, can carry out the closing operation of disconnecting switch at this time；Disconnecting switch is closed a floodgate, by operating machine
Structure drives intermediate interlock plate slide downward, and until intermediate interlock plate blocks ground connection handle hole, ground connection handle hole is grasped in limitation
Make, the closing operation of arc-extinguishing chamber of circuit breaker can be carried out at this time；Arc-extinguishing chamber of circuit breaker closes a floodgate, and drives isolation interlocking by operating mechanism
Plate upward sliding, until isolation interlock plate blocks isolated operation hole, limitation operates disconnecting switch.
As shown in Figure 19 to Figure 22, insulating cylinder 7 is used for insulating protection, and for installing arc-extinguishing chamber of circuit breaker 2 and isolation
Switch 3；Insulating cylinder 7 includes cylinder 71, extension 72 and arched door section 73, and cylinder 71 is for installing arc-extinguishing chamber of circuit breaker 2, extension
72 are set to 71 top of cylinder, and arched door section 73 is set to 72 top of extension, and arched door section 73 is in arched door shape, and arched door section 73 is used for
Disconnecting switch 3 is installed, and disconnecting switch 3 is allowed to pass through；7 lower end of insulating cylinder offers a hinge hole 74, and insulation connecting lever 8 is articulated with
In cylinder hinge hole 74, it is provided with an inserts 75 in cylinder hinge hole 74, diametrically extends outward reinforcing rod on cylinder inserts 75
751.Wherein, the first full skirt 721, the full skirt of 721 connector drum 71 of the first full skirt, 73 two sides of arched door section are provided on extension 72
It is provided with the second full skirt 731；751 two sides of reinforcing rod are provided with detent projection.
As shown in FIG. 15 to 18, insulation connecting lever 8 is for connecting arc-extinguishing chamber of circuit breaker 2 and operating mechanism 5, and insulate connecting lever 8
In fold-line-shaped, 8 both ends of connecting lever of insulating offer connecting lever hinge hole 81, and insulation 8 middle section of connecting lever offers mounting hole 82, and insulation is turned
Arm 8 is articulated in a hinge hole 74 by passing through shaft in mounting hole 82, and connecting lever inserts 83 is provided in connecting lever hinge hole 81,
Flower piece 84 is arranged on connecting lever inserts 83.Wherein, connecting lever umbrella is provided between the connecting lever hinge hole 81 and mounting hole 82 at both ends
Skirt 85；Restraining position ring block 831 is set on the outside of connecting lever inserts 83, offers flower trough 841 on the inside of flower piece 84；Connecting lever hinge hole 81 is inclined upwards
It moves.
As shown in Figure 7 and Figure 8, it is shown that the structure of 200 different perspectives of on-load switch, on-load switch 200 and breaker 100
Something in common be not repeated to describe, the difference is that, in on-load switch 200 use on-load switch arc-chutes 2 ',
And on-load switch arc-chutes 2 ' and the maximum difference of arc-extinguishing chamber of circuit breaker 2 are, on-load switch arc-chutes 2 ' can only cut-off negative
Charged current, and the price of on-load switch arc-chutes 2 ' is far below the price of arc-extinguishing chamber of circuit breaker 2, can satisfy different clients
Demand.In addition, on-load switch 200 and breaker 100 also reside in the difference of earthing switch, on-load switch 200 is opened using load
Close earthing switch 4 '.Specifically, on-load switch earthing switch 4 ' is grounded for on-off；On-load switch earthing switch 4 ' includes the
Two grounding contacts 41 ', the second earthing 42 ', the second shaft 43 ', the second pulling plate 44 ' and the second tension spring 45 '；Second grounding contact
41 ' are fixedly installed on 2 ' lower end of on-load switch arc-chutes, and the second earthing 42 ' is fixedly installed in the second shaft 43 ', and second turn
Axis 43 ' is rotatably dispose on chassis 1, and the second pulling plate 44 ' is fixedly installed in the second shaft 43 ', and the second tension spring 45 ' is set to
Between two pulling plates 44 ' and chassis 1；Second grounding contact 41 ' is claw structure, and the second earthing 42 ' is the hardened structure of hilted broadsword.And it bears
Lotus switch earthing switch 4 ' has the advantages that structure is simple, at low cost, is suitable as the earthing switch of on-load switch 200.On the contrary
, circuit interrupter grounding switch 4 has the advantages of contact is reliable, sound construction, but relative price is higher, is suitably applied breaker
100, to meet the needs of different clients.
As shown in Figure 9 and Figure 10, it is shown that the structure of 300 different perspectives of combined electrical apparatus, combined electrical apparatus 300 are opened in load
It added fuse 9 on the basis of closing 200.Specifically, fuse 9 is for cut-offfing short circuit current；Fuse 9 includes mounting base
91, insulator 92 and fusible core 93,91 upper end of mounting base are fixedly installed on 2 ' lower end of on-load switch arc-chutes, and 91 lower end of mounting base is logical
It crosses insulator 92 to be fixedly installed on chassis 1, fusible core 93 is arranged in mounting base 91.
Again due to the limitation of 9 position of fuse, needs to carry out structure of modification to the earthing switch of combined electrical apparatus 300, make it
Space can be utilized upper to greatest extent, reduce the volume of combined electrical apparatus 300.Therefore combined electrical apparatus earthing switch 4 " includes that third connects
Ground contact 41 ", third earthing 42 ", third shaft 43 ", third pulling plate 44 " and third tension spring 45 "；Third grounding contact 41 "
It is fixedly installed on 91 lower end of mounting base, third earthing 42 " is fixedly installed in third shaft 43 ", and the rotation of third shaft 43 " is set
Be placed on chassis 1, third pulling plate 44 " is fixedly installed in third shaft 43 ", third tension spring 45 " be set to third pulling plate 44 " and
Between chassis 1；Third grounding contact 41 " be claw structure, third earthing 42 " be the hardened structure of hilted broadsword, connect to third knife 42 " from
On down card set into third grounding contact 41 ".
The switchgear of above-mentioned three kinds of structures, can according to need and selected.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (2)
1. a kind of small-sized integrated switch cabinet, it is characterised in that: the switch cabinet height is 1800mm, the switch cabinet
Width is 500mm, and the switch cabinet depth is 900mm；The switch cabinet is separated into cable vault, bus-bar room and control room,
It is provided with metal partion (metp) between the cable vault and the bus-bar room, is also removably provided with high instrument above the control room
Case offers threading groove between the high instrument box and the control room；
The intracorporal electrical body distance to the ground of switchgear is greater than 125mm, and when disconnecting switch gate-dividing state, and isolation knife plate is over the ground
Distance is greater than 125mm；
The disconnecting switch is used for isolated power supply；The disconnecting switch includes three groups of isolation knife plates, and the isolation knife plate is four knives
Hardened structure, isolation knife plate includes knife plate, hold-down bolt, clamp nut, touch spring and spacer sleeve described in every group, and the knife plate is
Four pieces, the hold-down bolt and the clamp nut are two groups, and the hold-down bolt passes through four pieces of knife plate both ends, and passes through
The clamp nut is fixed, and the knife plate can slide on the hold-down bolt, is arranged between the knife plate of two pieces of inside
There is the touch spring, the touch spring is sheathed on the hold-down bolt, and the touch spring forces described in two pieces of inside
Knife plate outside Slideslip is provided with the spacer sleeve between the inside knife plate and the outside knife plate, and the spacer sleeve is arranged
In on the hold-down bolt, the spacer sleeve is used to limit the minimum spacing between the inside knife plate and the outside knife plate.
2. a kind of small-sized integrated switch cabinet according to claim 1, it is characterised in that: set at the top of the switch cabinet
It is equipped with metallic heat radiating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270771.9U CN209461822U (en) | 2018-12-29 | 2018-12-29 | A kind of small-sized integrated switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270771.9U CN209461822U (en) | 2018-12-29 | 2018-12-29 | A kind of small-sized integrated switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461822U true CN209461822U (en) | 2019-10-01 |
Family
ID=68043336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822270771.9U Active CN209461822U (en) | 2018-12-29 | 2018-12-29 | A kind of small-sized integrated switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461822U (en) |
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2018
- 2018-12-29 CN CN201822270771.9U patent/CN209461822U/en active Active
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