CN207624582U - Ring main unit combined electrical apparatus unit releasing interlock device - Google Patents
Ring main unit combined electrical apparatus unit releasing interlock device Download PDFInfo
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- CN207624582U CN207624582U CN201721658052.3U CN201721658052U CN207624582U CN 207624582 U CN207624582 U CN 207624582U CN 201721658052 U CN201721658052 U CN 201721658052U CN 207624582 U CN207624582 U CN 207624582U
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- sheet metal
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- interlocking
- instruction
- locking plate
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Abstract
The utility model discloses ring main unit combined electrical apparatus unit releasing interlock devices, including interlocking sheet metal component one, interlocking sheet metal component two, interlocking sheet metal component three, instruction sheet metal component, fixed sheet metal component, interlocking sheet metal component one is fixedly connected with interlocking sheet metal component two, interlock three top attended operation mechanism of sheet metal component, lower part is connect with interlocking sheet metal component two by pivot pin, instruction sheet metal component is connect with interlocking sheet metal component two, fixed sheet metal component respectively by pivot pin, and fixed sheet metal component is fixed on ring main unit；Under normal circumstances, on-load switch is in "on" position, and interlock is in horizontality, without exception；When there is overcurrent; fuse unit internal fuse overheating protection carries out striker; locking plate on fuse unit, which moves the interlocking sheet metal component one that can be forced in interlock, interlocking sheet metal component two rotates clockwise, interlocks sheet metal component three moves downward, indicates that sheet metal component rotates counterclockwise; the operating mechanism being connect with interlocking sheet metal component three threads off, completes separating brake, while indicating that sheet metal component instruction is abnormal.
Description
Technical field
The utility model belongs to gas-insulated ring network cabinet technical field, more particularly to a kind of ring main unit combined electrical apparatus unit is de-
Detain interlock.
Background technology
Current urban electricity supply network mainly uses ring network power supply pattern, has wide range of applications, user can obtain from both ends
Power supply is taken, the power failure area of accident is reduced, substantially increases the reliability of power supply.It is opened by load loop-network switch cabinet core
The compositions such as pass, breaker, disconnecting switch and earthing switch, according to corresponding national and foreign standards, switchgear should be prevented with perfect
Accidentally mechanical interlocks：Having prevents from accidentally dividing falsely close circuit breaker, prevents on-load division disconnecting switch, prevents at earthing switch
Under closed state power transmission, prevent electrification from " five the is anti-" function such as closing earthing switch, preventing mistakenly entering charged chamber.Five anti-purposes
It is maloperation in order to prevent, avoids that electric shock accidents occurs in maintenance process, protects the safety of service personnel and switchgear, therefore
Its reliability is most important.
In numerous ring main unit units, combined electrical apparatus unit plays an important role, and the unit is often as transformer
Protection location, after the failures such as short circuit occurs in transformer, high current promotes fuse to cross thermal tripping, quick disengagement failure circuit,
The striker of fuse is integrated in the mutual cooperation of the interlock on fuse unit cover board with on-load switch and completes on-load switch simultaneously
Tripping, thus can to avoid fuse unit overheat and damage；Operating personnel at this time can be according to the direction board on interlock
The state of fuse is determined, to be replaced to fuse.It can be seen that, the reliability of interlock is directly determined in summary
The safety of transformer is determined.
Interlock currently on the market mostly uses the shape of sheet metal component of different shapes and load switch operation mechanism linkage
Formula, it is not only of high cost but also lead to that installation is inconvenient, position inaccurate since part category is more, it is driven the shortcomings of unreliable.And
And present ring main unit tends to miniaturization, the complexity of interlock method leads to the increasing in mechanism chamber space, is managed with miniaturization
Read conflict.
Invention content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of ring main unit combined electrical apparatus units
Releasing interlock device, component is few, simple in structure, reduces cabinet inner space；Gas tank and cabinet flexible for installation, to original device
Property requirement without any restrictions, reliability and versatility are higher；It realizes the function of five anti-interlocking of gas-insulated ring network cabinet, ensures equipment
With the safety of the person.
To achieve the goals above, the technical solution adopted in the utility model is：Ring main unit combined electrical apparatus unit, which is threaded off, to be joined
Locking device, including interlocking sheet metal component one, interlocking sheet metal component two, interlocking sheet metal component three, instruction sheet metal component, fixed sheet metal component, it is described
Interlocking sheet metal component one is fixedly connected with interlocking sheet metal component two, three top attended operation mechanism of the interlocking sheet metal component, lower part and connection
Lock sheet metal component two is connected by pivot pin, and instruction sheet metal component is connect with interlocking sheet metal component two, fixed sheet metal component respectively by pivot pin, institute
Fixed sheet metal component is stated to be fixed on ring main unit；Under normal circumstances, on-load switch is in "on" position, and the interlock is in water
Level state, it is without exception；When there is overcurrent, fuse unit internal fuse overheating protection carries out striker, the fuse unit being attached thereto
Locking plate carries out ± 22 degree of rotation along axis, and the locking plate movement on fuse unit can force the interlocking sheet metal component in interlock
One, interlocking sheet metal component two rotates clockwise, interlocks sheet metal component three and move downward, indicate that sheet metal component rotates counterclockwise, at this point, with connection
It locks the operating mechanism that sheet metal component three connects to thread off, complete separating brake, while indicating that sheet metal component instruction is abnormal.
Further, the interlocking sheet metal component two is equipped with sliding slot with instruction sheet metal component junction, and instruction sheet metal component passes through card
The pivot pin being located in sliding slot is slidably connected with interlocking sheet metal component two.
Further, the instruction sheet metal component includes red indicator board for indicating fuse failure and normal for showing
The green indicator board of work, red indicator board bend inwards, and green indicator board side is equipped with Z-shaped plate, and hole A is respectively equipped on both ends
It is connect with fixed sheet metal component pivot pin with hole B, instruction sheet metal component through hole A, instruction sheet metal component through hole B, pivot pin, interlocking sheet metal component
Sliding slot on two is realized to be slidably connected with interlocking sheet metal component two.
Further, the fuse unit locking plate includes that A phases locking plate, B phases locking plate and C phase locking plates, A phases interlock
The side contacts of piece, B phases locking plate and C phases locking plate with interlocking sheet metal component one；Under normal circumstances, on-load switch, which is in, closes a floodgate
State, the interlock are in horizontality, and instruction sheet metal component is shown in green under horizontality, without exception；Work as appearance
When overcurrent, fuse unit internal fuse overheating protection carries out striker, A phases locking plate and C phases locking plate rotates counterclockwise, B is connected
Locking plate rotates clockwise, and interlocking sheet metal component one, interlocking sheet metal component two is forced to rotate clockwise, interlock sheet metal component three and move downward,
The operating mechanism being connect with interlocking sheet metal component three threads off, completes separating brake, while indicating that sheet metal component rotates counterclockwise, indicates sheet metal component
It is shown in red, occur abnormal.
Further, it is in 135 degree of angles between the red indicator board and green indicator board.
Compared with prior art, the utility model advantage is：
（1）It is realized when molten by the mutual transmission between sheet metal component as main interlock only with 5 pieces of sheet metal components
After silk striker, load switch operation mechanism is forced to carry out de- mouth, complete separating brake, instruction sheet metal component is displayed in red, and reminds operator
Member, which needs to switch at this time, gets to earthing position, replaces fusible core；Component is few, simple in structure, reduces cabinet inner space；
（2）The presence of the interlock of the utility model protects damage of the transformer under short circuit, ensure that equipment with
Personal safety, and flexible for installation, of low cost, reliability and versatility are higher, to the gas tank and cabinet of original device without any
Restrictive requirement, general degree is good, has more adapted to the demand in market.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the utility model and fuse interlock fit structure schematic diagram；
Fig. 4 is installation diagram.
In figure, 1. interlocking sheet metal components one；2. interlocking sheet metal component two；3. interlocking sheet metal component three；4. indicating sheet metal component；5. solid
Determine sheet metal component；6. sliding slot；7. A phase locking plates；8. B phase locking plates；9. C phase locking plates；10. axis；11. operating mechanism；
41. red indicator board；42. green indicator board；43. hole A；44. hole B.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further described the utility model.
As shown in Figs. 1-2, ring main unit combined electrical apparatus unit releasing interlock device, including interlocking sheet metal component 1, interlocking metal plate
Part 22, interlocking sheet metal component 33, instruction sheet metal component 4, fixed sheet metal component 5, interlocking sheet metal component 1 have upper plate and under upper plates
Two risers of side, interlocking sheet metal component 22 have left side fixed plate and right plate, interlock the right side vertical plate and interlocking metal plate of sheet metal component one
The left side fixed plate of golden part 22 is fixedly connected, and the right plate for interlocking sheet metal component 22 passes through under pivot pin and interlocking sheet metal component 33
Portion connects, and interlocks the top attended operation mechanism 11 of sheet metal component 33.
Interlocking sheet metal component 22 also has the connecting plate for being connect with instruction sheet metal component 4 of protrusion, interlocks sheet metal component 22
It is equipped with sliding slot 6 with 4 junction of instruction sheet metal component.
Indicate that sheet metal component 4 includes the red indicator board 41 for indicating fuse failure and the green for showing normal work
Indicator board 42, red indicator board 41 bend inwards, and 42 side of green indicator board is equipped with Z-shaped plate, be respectively equipped on both ends hole A43 and
Hole B44, instruction 4 through hole A43 of sheet metal component are connect with fixed 5 pivot pin of sheet metal component, and fixed sheet metal component 5 is fixed on ring main unit；Refer to
Show that sheet metal component 4 is connect with interlocking sheet metal component 22 by pivot pin, pivot pin is fastened in sliding slot 6, pivot pin sliding in sliding slot 6, instruction
4 through hole B44 of sheet metal component, pivot pin, interlocking sheet metal component 22 on sliding slot 6 realize with interlock sheet metal component 22 be slidably connected.
As shown in Figure 3-4, fuse unit locking plate includes A phases locking plate 7, B phases locking plate 8 and C phases locking plate 9, and A phases interlock
The side contacts of piece 7, B phases locking plate 8 and C phases locking plate 9 with interlocking sheet metal component 1；Under normal circumstances, on-load switch is in
The interlock of "on" position, the utility model is in horizontality, and instruction sheet metal component 4 is shown in green under horizontality,
It is without exception；When there is overcurrent, fuse unit internal fuse overheating protection carries out striker, part in A phases, C collision, under B collisions
Part, the fuse unit locking plate being attached thereto carry out ± 22 degree of rotation along axis 10, and A phases locking plate 7 and C phases locking plate 9 are same
It is rotated clockwise to rotation counterclockwise, B phases locking plate 8, interlocking sheet metal component 1, interlocking sheet metal component 22 is forced to rotate clockwise,
Interlocking sheet metal component 33 moves downward, and the operating mechanism 11 being connect with interlocking sheet metal component 33 threads off, completes separating brake action, meanwhile,
Indicate that sheet metal component 4 rotates counterclockwise, instruction sheet metal component 4 is shown in red, and alert status is presented, and occurs abnormal.
When interlocking sheet metal component 22 rotates clockwise, due to the limitation of its own sliding slot 6, limitation instruction sheet metal component 4 is in sky
Between on horizontal movement, instruction sheet metal component 4 only rotates along the pivot pin being connect with fixed sheet metal component 5.Simultaneously because
In view of operating personnel are often in the state of instruction sheet metal component 4 of overlooking in observation, therefore by red indicator board 41 to infolding
Curved 45 degree, i.e., it is in 135 degree of angles between red indicator board 41 and green indicator board 42, meets humanity concept, in different conditions
Lower presentation different colours play forewarning function, while interlock is completed separating brake action with operating mechanism mutual cooperation and avoided
The situations such as fuse unit overheat can also ensure the safety of the equipment such as personnel safety and the transformer during whole operation.
In conclusion the utility model component is few, simple in structure, compact, reduce cabinet inner space；It is flexible for installation, right
Gas tank and cabinet the property requirement without any restrictions of original device, reliability and versatility are higher；Realize gas-insulated ring network cabinet five
The function of anti-interlocking ensures the safety of equipment and the person；It is easy to operate, it is greatly improved home products in the international market
Competitiveness.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in the essential scope of the utility model, the variations, modifications, additions or substitutions made, all
The scope of protection of the utility model should be belonged to.
Claims (5)
1. ring main unit combined electrical apparatus unit releasing interlock device, it is characterised in that：Including interlocking sheet metal component one, interlocking sheet metal component
Two, sheet metal component three, instruction sheet metal component, fixed sheet metal component are interlocked, the interlocking sheet metal component one is fixedly connected with interlocking sheet metal component two,
Three top attended operation mechanism of the interlocking sheet metal component, lower part are connect with interlocking sheet metal component two by pivot pin, and instruction sheet metal component is logical
It crosses pivot pin to connect with interlocking sheet metal component two, fixed sheet metal component respectively, the fixed sheet metal component is fixed on ring main unit；Normal condition
Under, on-load switch is in "on" position, and the interlock is in horizontality, without exception；When there is overcurrent, fuse unit
Internal fuse overheating protection carries out striker, and the fuse unit locking plate being attached thereto is rotated along axis, the locking plate fortune on fuse unit
The dynamic interlocking sheet metal component one that can be forced in interlock, interlocking sheet metal component two rotate clockwise, interlock sheet metal component three move downward,
Instruction sheet metal component rotates counterclockwise, at this point, the operating mechanism being connect with interlocking sheet metal component three threads off, completes separating brake, indicates simultaneously
Sheet metal component instruction is abnormal.
2. ring main unit combined electrical apparatus unit releasing interlock device according to claim 1, it is characterised in that：The interlocking metal plate
Golden part two and instruction sheet metal component junction are equipped with sliding slot, and instruction sheet metal component passes through the pivot pin and interlocking sheet metal component that are fastened in sliding slot
Two are slidably connected.
3. ring main unit combined electrical apparatus unit releasing interlock device according to claim 2, it is characterised in that：The instruction metal plate
Golden part includes the red indicator board for indicating fuse failure and the green indicator board for showing normal work, red indicator board
It bends inwards, green indicator board side is equipped with Z-shaped plate, and hole A and hole B are respectively equipped on both ends, indicates sheet metal component through hole A and consolidates
Determine the connection of sheet metal component pivot pin, instruction sheet metal component through hole B, pivot pin, the sliding slot realization on interlocking sheet metal component two and interlocking sheet metal component
Two are slidably connected.
4. ring main unit combined electrical apparatus unit releasing interlock device according to claim 3, it is characterised in that：The fuse unit
Locking plate includes A phases locking plate, B phases locking plate and C phase locking plates, A phases locking plate, B phases locking plate and C phases locking plate with connection
Lock a side contacts of sheet metal component one；Under normal circumstances, on-load switch is in "on" position, and the interlock is in horizontal
State, instruction sheet metal component is shown in green under horizontality, without exception；When there is overcurrent, fuse unit internal fuse overheat
Protection carries out striker, and A phases locking plate and C phases locking plate rotates counterclockwise, B phase locking plates rotate clockwise forces interlocking metal plate
Part one, interlocking sheet metal component two rotate clockwise, interlocks sheet metal component three and move downward, with the operating mechanism for interlocking sheet metal component three and connecting
It threads off, complete separating brake, while indicating that sheet metal component rotates counterclockwise, instruction sheet metal component is shown in red, occurs abnormal.
5. ring main unit combined electrical apparatus unit releasing interlock device according to claim 3 or 4, it is characterised in that：It is described red
It is in 135 degree of angles between color indicator board and green indicator board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658052.3U CN207624582U (en) | 2017-12-04 | 2017-12-04 | Ring main unit combined electrical apparatus unit releasing interlock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658052.3U CN207624582U (en) | 2017-12-04 | 2017-12-04 | Ring main unit combined electrical apparatus unit releasing interlock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624582U true CN207624582U (en) | 2018-07-17 |
Family
ID=62825178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721658052.3U Active CN207624582U (en) | 2017-12-04 | 2017-12-04 | Ring main unit combined electrical apparatus unit releasing interlock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904742A (en) * | 2019-04-01 | 2019-06-18 | 江苏电科电气设备有限公司 | Outdoor high-tension fuse combination sideboard |
-
2017
- 2017-12-04 CN CN201721658052.3U patent/CN207624582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904742A (en) * | 2019-04-01 | 2019-06-18 | 江苏电科电气设备有限公司 | Outdoor high-tension fuse combination sideboard |
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| GR01 | Patent grant |