CN206864351U - A kind of power supply entering line cabinet with double-throw disconnecting switch - Google Patents
A kind of power supply entering line cabinet with double-throw disconnecting switch Download PDFInfo
- Publication number
- CN206864351U CN206864351U CN201720752558.4U CN201720752558U CN206864351U CN 206864351 U CN206864351 U CN 206864351U CN 201720752558 U CN201720752558 U CN 201720752558U CN 206864351 U CN206864351 U CN 206864351U
- Authority
- CN
- China
- Prior art keywords
- operation panel
- double
- disconnecting switch
- breaker
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a kind of power supply entering line cabinet with double-throw disconnecting switch, double-throw disconnecting switch is provided with two disconnecting links, two rotary shafts and the operation panel of two interlockings, breaker cabinet of two ends of incoming cables of double-throw disconnecting switch respectively with two higher levels is connected, two cams are installed respectively in two rotary shafts, two travel switches are installed respectively above cam, two travel switches are electrically coupled connection with the electric control loop and circuit breaker electric magnetic padlock of corresponding breaker respectively, operation panel electromagnetic lock is provided with operation panel side, when the end of incoming cables of double-throw disconnecting switch is powered, operation panel corresponding to corresponding operation panel electromagnetic lock is locked, the utility model realizes power supply entering line, meet the requirement of five anti-interlockings and the principle that dual power supply can not power simultaneously simultaneously.
Description
Technical field
It the utility model is related to the IVdistribution switch equipment of power industry, it is more particularly to a kind of with double-throw disconnecting switch
Power supply entering line cabinet.
Background technology
Switchgear is that power industry is defeated, critical facility of distribution, and the safety operation of equipment is the weight ensured personal safety
Measure is wanted, in order to realize that the safety operation widespread practice of equipment is increase interlock.
China's power system is many times in face of lesson written in blood, with reference to the practice of China and foreign countries' electrical operation, effectively to prevent from transporting
Row electric equipment maloperation, trigger serious accident, just proposing electrical equipment " five is anti-" early in nineteen ninety requires,
GB3906-2006《3.6kV~40.5kV ac metal closing switch gears and control device》Interlocking anti-to five has been done clearly
Regulation, content are as follows：
1 prevents mistake point, falsely close circuit breaker；
2 prevent on-load point, close disconnecting switch；
3 prevent powered conjunction earthed switch；
4 breaker closings when preventing ground switch earthing；
5 prevent mistakenly entering charged chamber.
For some important places, power-off often causes larger loss, for such situation switch cubicle
Two-way electric power incoming line is often selected, generally power supply is civil power all the way, and another way is self-powered, it is desirable at certain all the way
It is switched to during power outage on another way power supply, ensures the continuity of power supply, but another way is just forbidden after the combined floodgate of power supply all the way
Close a floodgate, to avoid having all the way power supply from falling power transmission without power supply to another way, cause the accident.
It is existing double-throw disconnecting switch, two ends of incoming cables difference of double-throw disconnecting switch to be installed in power supply entering line cabinet
Be connected with two higher level's breaker cabinets, realize power supply entering line, double-throw disconnecting switch has a common leading-out terminal, leading-out terminal with
Electricity consumption place connects.
However, the principle that can not be powered according to the requirement of five anti-interlockings and dual power supply simultaneously, double-throw disconnecting switch must be with
Oneself corresponding higher level's breaker, which exists, has interlocking between interlocking and switch with double-isolation.
Utility model content
Technical problem to be solved in the utility model, just it is to provide a kind of power supply entering line with double-throw disconnecting switch
Cabinet, it realizes power supply entering line, while meets the requirement of five anti-interlockings and the principle that dual power supply can not power simultaneously.
Solves above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of power supply entering line cabinet with double-throw disconnecting switch, double-throw disconnecting switch are provided with two disconnecting links, two rotary shafts
With the operation panel of two interlockings, double-throw disconnecting switch is rotated by rotating operation dribbling turn moving axis, then by rotary shaft band moving knife
Lock closes a floodgate or separating brake, and the breaker cabinet of two ends of incoming cables of double-throw disconnecting switch respectively with two higher levels is connected, the breaker of higher level
Provided with breaker, the electric control loop of control circuit-breaker switching on-off and the breaker manually operated for locked breaker in cabinet
Electromagnetic lock, it is characterized in that including：
Two cams, it is respectively arranged in two rotary shafts；
Two travel switches, be respectively arranged in the top of two cams, respectively with the electric control loop of corresponding breaker and
Circuit breaker electric magnetic padlock is electrically coupled connection, and when disconnecting link closes a floodgate, the projection of corresponding cam pushes down corresponding travel switch, corresponding
Travel switch closure, the connection of corresponding electric control loop, corresponding circuit breaker electric magnetic padlock must be electrolysed except to corresponding open circuit
Manually operated locked of device；
Two operation panel electromagnetic locks, when the end of incoming cables of double-throw disconnecting switch is powered, corresponding operation panel electromagnetic lock is locked
Corresponding operation panel.
The interlocking structure of the operation panel of described two interlockings is：Slideway is provided between two operation panels and is plugged in slideway
In sliding pin, the both ends of sliding pin expose slideway both ends, are provided with to be used to extrude at the both ends of sliding pin and promote sliding pin to be slided in slideway
Chamfering, slot is provided with operation panel, the side of slot is provided with inclined-plane, sliding when two operation panels are in open position
The both ends of pin are inserted in the slot of corresponding two operation panels respectively, and now the both ends of sliding pin and the bottom of slot are separated with gap,
When wherein an operation panel is to closing position for rotation, sliding pin is extruded the slot for releasing the operation panel and slides to the operation of another side
In the slot of disk.
The operation panel electromagnetic lock is respectively arranged in two operation panel sides, in the open position and closing position of operation panel
Lockhole corresponding with the retractable lock rod of operation panel electromagnetic lock is respectively equipped with, is respectively equipped with two ends of incoming cables of double-throw disconnecting switch
For detecting the electrification display of electriferous state, two electrification displays are electrically connected with corresponding operation panel electromagnetic lock respectively,
When electrification display detects that end of incoming cables is powered, the locked corresponding operation panel of corresponding operation panel electromagnetic lock.
The operation panel electromagnetic lock includes being used for operating handle and handle electromagnetic lock that manually operated retractable lock rod is stretched,
Torch magnetic padlock is electrically connected with corresponding electrification display, when electrification display detects that end of incoming cables is powered, corresponding handle
Operating handle corresponding to electromagnetic lock is locked.
Compared with prior art, the utility model has the advantages that：
The cooperation that the utility model passes through cam and travel switch so that in the disconnecting link separating brake of double-throw disconnecting switch, on
The breaker of level breaker cabinet can not carry out closing operation；The operation panels of two interlockings prevent the disconnecting link of double-throw disconnecting switch from
"on" position is in simultaneously, prevents the situation of dual power supply while power supply；Lead to when the end of incoming cables of double-throw disconnecting switch is powered
The locked corresponding operation panel of operation panel electromagnetic lock is crossed, prevents on-load operation disconnecting link separating brake.By said structure, double electricity are realized
Source inlet wire, while meet the requirement of five anti-interlockings and principle that dual power supply can not power simultaneously, switchgear is prevented well
Maloperation, it is simple in construction, securely and reliably.
Brief description of the drawings
Fig. 1 is one of schematic cross-sectional view of the present utility model；
Fig. 2 is the two of schematic cross-sectional view of the present utility model；
Fig. 3 is schematic elevation view of the present utility model；
Fig. 4 is one of structural representation of double-throw disconnecting switch of the present utility model；
Fig. 5 is the two of the structural representation of double-throw disconnecting switch of the present utility model, and display right side disconnecting link closes a floodgate；
Fig. 6 is the installation relation schematic diagram between cam and travel switch of the present utility model；
Fig. 7 is the schematic elevation view of operation panel mounting structure of the present utility model；
Fig. 8 is the schematic side view of operation panel mounting structure of the present utility model；
Fig. 9 is the structural representation of operation panel electromagnetic lock of the present utility model；
Figure 10 is the structural representation of the rotating disk of operation panel of the present utility model；
Figure 11 is one of schematic diagram of installation relation of operation panel and sliding pin of the present utility model, and two operation panels of display are equal
In open position；
Figure 12 is the two of the schematic diagram of the installation relation of operation panel and sliding pin of the present utility model, shows the operation panel in left side
In "on" position；
Figure 13 is the three of the schematic diagram of the installation relation of operation panel and sliding pin of the present utility model, shows the operation panel on right side
In "on" position；
Figure 14 is electrical schematic diagram of the present utility model；
Figure 15 is the installation electrical schematic diagram of operation panel electromagnetic lock of the present utility model.
Reference implication in figure：
1- rotary shafts；2- ends of incoming cables；3- ends of incoming cables；4- double-throw disconnecting switches；5- rotates contact；6- static contacts；7- connecting rods；
8- cams；9- travel switches；10- leading-out terminals；11- connecting rods；12- cams；13- travel switches；14- mounting rails；The powered displays of 15-
Device；16- electrification displays；17- disconnecting links；101- operation panel electromagnetic locks；102- operation panels；103- slideways；104- installs support plate；
105- handle patchholes；106- operation panel electromagnetic locks；107- handle patchholes；108- operation panels；109- installs support plate；110- stretches
Contracting locking bar；111- slots；112- lockholes；113- lockholes；117- sliding pins；119- operating handles
Embodiment
The utility model is further described with reference to embodiment.
A kind of power supply entering line cabinet with double-throw disconnecting switch, double-throw disconnecting switch 4 are installed as shown in Figure 1, Figure 2 and Figure 3
In on the mounting rail 14 of power supply entering line cabinet, the lower end of double-throw disconnecting switch 4 is provided with two ends of incoming cables 2,3, and upper end is provided with leading-out terminal
10, double-throw disconnecting switch 4 is provided with two disconnecting links, 17, two rotary shafts 1 and two operation panels 102,108, and disconnecting link 17 includes rotating
Contact 5 and static contact 6, each extend over out two cursors in rotary shaft 1, one of cursor by connecting rod 11,7 with
Operation panel 102,108 connects, and the rotation contact of another cursor and disconnecting link connects, and double-throw disconnecting switch 4 passes through rotating operation
Dribbling turn moving axis rotates, then drives disconnecting link combined floodgate or separating brake, rotating disc to be provided with handle patchhole 105,107 by rotary shaft,
Need that upper handle is installed in handle patchhole 105 when operating rotating disc.Two ends of incoming cables 2,3 difference of double-throw disconnecting switch 4
It is connected with two higher level's breaker cabinets, the electrical control provided with breaker, control circuit-breaker switching on-off in higher level's breaker cabinet is returned
Road and the circuit breaker electric magnetic padlock manually operated for locked breaker.Electrical schematic diagram as shown in figure 14, end of incoming cables 2,3 are distinguished
It is connected with VCB105S breaker cabinets and VCB105 breaker cabinets
As shown in Figure 4, Figure 5 and Figure 6, cam 8,12 is separately installed with two rotary shafts 1, in the upper of two cams 8,12
Side is separately installed with travel switch 9,13, the triggering closed end of travel switch to cam, travel switch 9,13 respectively with it is corresponding
Higher level's breaker cabinet breaker electric control loop and circuit breaker electric magnetic padlock be electrically coupled connection.When rotating operation disk from
When open position turns to closing position, operation panel drives rotary shaft to rotate, and the projection of cam presses to the triggering closure to form switch
End, travel switch closure, disconnecting link are in "on" position, and the electric control loop connection of breaker can electrical control breaker point
Lock or combined floodgate, circuit breaker electric magnetic padlock must be electrolysed except manually operated to breaker locked, be manually operable breaker open operation or conjunction
Lock, realize the chain of double-throw disconnecting switch and the breaker of higher level's breaker, effectively prevent by mistake point, falsely close circuit breaker.
Two operation panel interlocking structures as shown in figure 11, two operation panels 102,108 of double-throw disconnecting switch interlock, mutually
Lock construction is：Horizontal slideway 103 and the sliding pin 117 being plugged in slideway, slideway are provided between two operation panels 102,108
The 103 horizontal through hole to be opened on projection, the both ends of sliding pin 117 are exposed the both ends of slideway 103, are provided with the both ends of sliding pin 117
For extruding the chamfering for promoting sliding pin to be slided in slideway, slot 118 is provided with operation panel, the side of slot 118 is provided with tiltedly
Face, inclined-plane coordinate with chamfering, and in rotating operation disk, chamfering is slided along inclined-plane, and sliding pin 117 will be pushed out slot 111.At two
When operation panel 102,108 is in open position, the slot 111 of corresponding two operation panels is inserted at the both ends of sliding pin 117 respectively
In, now the both ends of sliding pin 117 and the bottom of slot 111 are separated with gap, sliding when wherein an operation panel is to closing position for rotation
Pin 117 is extruded in the slot for the slot operation panel that slides to another side for releasing the operation panel, turns to the operation of closing position
The slot of disk will be no longer corresponding with sliding pin, and the operation disc side withstands one end of sliding pin, and another operation panel is locked, realizes
The interlocking of two operation panels so that two disconnecting links of double-throw disconnecting switch are not simultaneously in "on" position, prevent dual power supply
The situation of power supply simultaneously.Two operation panel interlocking structures as shown in figure 12, operation panel 102 are in closing position；Such as Figure 13 institutes
The two operation panel interlocking structures shown, operation panel 108 are in closing position.
As shown in Fig. 7, Fig. 8, Fig. 9 and Figure 10, the side of operation panel respectively correspond to be provided with operation panel electromagnetic lock 101,
106, operation panel electromagnetic lock 101,106 is fixed on before power supply entering line cabinet by installing support plate 104,109, operation panel electromagnetism
Lock includes the flexible operating handle 119 and handle electromagnetic lock of manually operated retractable lock rod 110, open position and conjunction in operation panel
Gate position is respectively equipped with lockhole 112,113 corresponding with retractable lock rod 110,2,3 points of two ends of incoming cables of double-throw disconnecting switch
The electrification display 15,16 for detecting electriferous state She You be used for, electrification display to be existing apparatus, is frequently used in electric cabinet and examines
Whether survey line road is powered, and two electrification displays 15,16 are electrically connected with corresponding operation panel electromagnetic lock 101,106 respectively,
When electrification display detects that end of incoming cables is powered, the locked corresponding operating handle of corresponding operation panel electromagnetic lock so that operator
Rotating operation handle is unable to, retractable lock rod 110 is remained inserted into lockhole, and operation panel is locked, is realized when powered, i.e., corresponding
Breaker closing when, it is impossible to operate operation panel, prevent on-load separate disconnecting link.Electrical schematic diagram as shown in figure 15, at this
The end of incoming cables of circuit and there is end and be equipped with automatic switch 3ZK for protection circuit, electrification display 15 be not detected by into
Remained closed when line end is powered, operation panel electromagnetic lock 101 is in released state, detects that end of incoming cables is powered in electrification display 15
When, the power-off of operation panel electromagnetic lock 101 is in locking state.
Claims (4)
1. a kind of power supply entering line cabinet with double-throw disconnecting switch, the double-throw disconnecting switch is provided with two disconnecting links, two rotations
Axle and the operation panel of two interlockings, the double-throw disconnecting switch drive the rotary shaft to rotate by rotating the operation panel, then
The disconnecting link is driven to close a floodgate or separating brake by the rotary shaft, two ends of incoming cables of the double-throw disconnecting switch are respectively with two higher levels'
Breaker cabinet is connected, and the electrical control provided with breaker, the control circuit-breaker switching on-off in the breaker cabinet of the higher level is returned
Road and the circuit breaker electric magnetic padlock manually operated for the locked breaker, it is characterised in that including：
Two cams, it is respectively arranged in described two rotary shafts；
Two travel switches, the top of two cam is respectively arranged in, is returned respectively with the electrical control of the corresponding breaker
Road and the circuit breaker electric magnetic padlock are electrically coupled connection, and when the disconnecting link closes a floodgate, the projection of the corresponding cam is pushed down pair
The travel switch answered, the corresponding travel switch closure, the corresponding electric control loop connection are corresponding described
Circuit breaker electric magnetic padlock must be electrolysed except manually operated to the corresponding breaker locked；
Two operation panel electromagnetic locks, when the end of incoming cables of the double-throw disconnecting switch is powered, the corresponding operation panel electromagnetic lock
The operation panel corresponding to locked.
2. the power supply entering line cabinet according to claim 1 with double-throw disconnecting switch, it is characterised in that：Described two interlockings
The interlocking structure of operation panel be：Slideway and the sliding pin being plugged in the slideway, institute are provided between described two operation panels
The slideway both ends are exposed at the both ends for stating sliding pin, are provided with the both ends of the sliding pin and are used to extrude the promotion sliding pin in slideway
The chamfering of slip, is provided with slot on the operation panel, and the side of the slot is provided with inclined-plane, located in described two operation panels
When open position, the both ends of the sliding pin are inserted in the slot of corresponding described two operation panels respectively, now the sliding pin
The bottom of both ends and the slot be separated with gap, when rotating that wherein an operation panel is to closing position, the sliding pin is extruded
Release the slot of the operation panel and slide in the slot of the operation panel of another side.
3. the power supply entering line cabinet according to claim 2 with double-throw disconnecting switch, it is characterised in that：The operation panel electricity
Magnetic padlock is respectively arranged in described two operation panel sides, is respectively equipped with and institute in the open position and closing position of the operation panel
Lockhole corresponding to the retractable lock rod of operation panel electromagnetic lock is stated, detection is respectively provided with two ends of incoming cables of double-throw disconnecting switch
The electrification display of electriferous state, two electrification displays are electrically connected with corresponding operation panel electromagnetic lock respectively, in band
When electric display detects that the end of incoming cables is powered, the locked corresponding operation panel of corresponding operation panel electromagnetic lock.
4. the power supply entering line cabinet with double-throw disconnecting switch according to claims 1 to 3 any one, it is characterised in that：
The operating handle and handle electromagnetic lock that the operation panel electromagnetic lock stretches including being used for the manually operated retractable lock rod, described
Torch magnetic padlock is electrically connected with the corresponding electrification display, detects that the end of incoming cables is powered in the electrification display
When, the locked corresponding operating handle of the corresponding handle electromagnetic lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720752558.4U CN206864351U (en) | 2017-06-26 | 2017-06-26 | A kind of power supply entering line cabinet with double-throw disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720752558.4U CN206864351U (en) | 2017-06-26 | 2017-06-26 | A kind of power supply entering line cabinet with double-throw disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206864351U true CN206864351U (en) | 2018-01-09 |
Family
ID=60828325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720752558.4U Active CN206864351U (en) | 2017-06-26 | 2017-06-26 | A kind of power supply entering line cabinet with double-throw disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206864351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286140A (en) * | 2018-10-31 | 2019-01-29 | 益和电气集团股份有限公司 | A kind of double-bus high-tension switch cabinet |
-
2017
- 2017-06-26 CN CN201720752558.4U patent/CN206864351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286140A (en) * | 2018-10-31 | 2019-01-29 | 益和电气集团股份有限公司 | A kind of double-bus high-tension switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102714103B (en) | Motor drive system for disconnector/isolator used in switchgear | |
| CN204632628U (en) | For the interlock of breaker main shaft in high-tension switch cabinet and isolated operation axle | |
| CN103441439A (en) | Switch cabinet equipped with isolating switches, vacuum circuit breakers and grounding switches | |
| CN103794390A (en) | Mechanical interlocking device with two-direction control function of high-voltage switchgear | |
| CN206864351U (en) | A kind of power supply entering line cabinet with double-throw disconnecting switch | |
| CN102509661B (en) | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear | |
| CN105428137B (en) | Gas-filling cabinet three-stations load switch operating mechanism | |
| CN107946107A (en) | The switchgear of interlock is equipped between a kind of Xiamen and earthing switch and disconnecting switch | |
| CN102856831B (en) | Movable door mechanism of high voltage switch cabinet | |
| CN104722404A (en) | Electric dust collector and electric field manhole door safety device for same | |
| CN108695085A (en) | A kind of switchgear with multiple anti-misoperation interlocking mechanism | |
| CN206194632U (en) | Interlock of earthing switch AND gate of cubical switchboard | |
| CN106025892B (en) | Xiamen interlock after a kind of switchgear | |
| CN106128845B (en) | The anti-misoperation interlocking mechanism and device of gas-insulated metal enclosed switchgear | |
| CN206236569U (en) | A kind of high-voltage switch gear isolates grounding interlocking device | |
| CN204558936U (en) | A kind of heavy-current isolating switch cabinet for track traffic | |
| CN204720344U (en) | The fixed five anti-interlocking operation mechanisms of a kind of QH1 type mesohigh | |
| CN105161348B (en) | Hand-in-hand line centrally-positioned wire-outgoing switchgear grounding switch blocking device, system and method | |
| CN207021226U (en) | A kind of mechanical locking structure of motor-operating mechanism for breaker | |
| CN104912404A (en) | Cabinet door safety interlock device and method for frequency converter cabinet | |
| CN206301706U (en) | The interlock of disconnecting switch and earthed switch for high-voltage circuit breaker cabinet | |
| CN206471243U (en) | High-voltage Incoming Cabinet, mother cabinet key mechanical interlock | |
| CN213584912U (en) | Aerify cabinet with multiple protection interlocking device | |
| CN205901156U (en) | Direct current high speed circuit -breaker handcart | |
| CN109346345B (en) | Hook type cable chamber door and grounding switch interlocking control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |