CN108447713B - Lock of mechanical interlocking device, mechanical interlocking device and power supply system - Google Patents
Lock of mechanical interlocking device, mechanical interlocking device and power supply system Download PDFInfo
- Publication number
- CN108447713B CN108447713B CN201810482387.7A CN201810482387A CN108447713B CN 108447713 B CN108447713 B CN 108447713B CN 201810482387 A CN201810482387 A CN 201810482387A CN 108447713 B CN108447713 B CN 108447713B
- Authority
- CN
- China
- Prior art keywords
- lock
- key
- circuit breaker
- lock body
- interlocking device
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the technical field of power distribution control, in particular to a lockset of a mechanical interlocking device, the mechanical interlocking device and a power supply system. The lock assembly is suitable for limiting the closing and opening of each breaker on the line of the mechanical interlocking device, and comprises a first lock, a second lock and a single key, wherein the first lock comprises a first lock body arranged on the line of the mechanical interlocking device, and the single key is suitable for opening the first lock body and can limit a specified breaker on the line of the mechanical interlocking device to perform closing and opening; the second lockset comprises a second lock body arranged on a circuit of the mechanical interlocking device and a general key which is suitable for opening the second lock body and the first lock body and can limit all circuit breakers on the circuit of the mechanical interlocking device to switch on and off. The invention has the advantages that the influence of the loss of the single key on the power supply of the power supply system is small, the transformer can still supply power in time, and the operation is more convenient.
Description
Technical Field
The invention relates to the technical field of power distribution control, in particular to a lockset of a mechanical interlocking device, the mechanical interlocking device and a power supply system.
Background
In a power supply system, a system for supplying power to three buses by three transformer incoming lines, namely a three-incoming-line two-contact power distribution system, is arranged, when the parallel operation condition is not met among the three transformers, parallel operation occurs, namely when any two transformers supply power to the same bus at the same time, short circuit of any two transformers occurs, serious influence is caused on equipment, and economic loss is caused. In the prior art, in order to prevent the condition that two arbitrary transformers short circuit appears, set up the circuit breaker in two liaison distribution system of three inlet wires, and set up the tool to lock that restriction circuit breaker combined floodgate and separating brake, the tool to lock have the lock body and with the key of lock body cooperation use, the circuit breaker just can be closed or separating brake when the lock body uses with the key cooperation. The key in prior art is the corresponding cooperation with the lock body, and a key can use with appointed tool to lock cooperation promptly, when the key lost, can lead to the appointed circuit breaker of this key restriction can not be closed a floodgate for the transformer on the circuit that is provided with this circuit breaker can not timely supply power, leads to the load of power consumption system can not in time use, can bring economic loss.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to solve the problem that the transformer cannot supply power in time due to the loss of the key in the three-inlet two-communication power distribution system, and provide a lockset of a mechanical interlocking device, a mechanical interlocking device and a power supply system, wherein the lockset is provided with the mechanical interlocking device, and the power supply system, the power supply influence of the loss of the key on the power supply system is small, the transformer can still supply power in time, and the operation is more convenient.
In order to solve the above problems, the lock assembly of the mechanical interlocking device of the present invention is suitable for limiting the closing and opening of each breaker on the line of the mechanical interlocking device, and comprises a first lock, a single key, and a second lock, wherein the first lock comprises a first lock body arranged on the line of the mechanical interlocking device, and the single key is suitable for opening the first lock body and can limit the specified breaker on the line of the mechanical interlocking device to perform closing and opening; the second lockset comprises a second lock body arranged on a circuit of the mechanical interlocking device and a general key which is suitable for opening the second lock body and the first lock body and can limit all circuit breakers on the circuit of the mechanical interlocking device to switch on and off.
The first lock body is provided with a first lock hole matched with the single key and the universal key, and the second lock body is provided with a second lock hole matched with the universal key.
Positioning structures are respectively arranged on the first lockset and the second lockset; the first lockset is provided with a first stress structure, and the first stress structure and the corresponding positioning structure enable the first lock hole to be matched with the universal key and the corresponding single key only; the second lock is provided with a second stress structure, and the second stress structure and the corresponding positioning structure enable the second lock body to be matched with the universal key only.
The first lock has at least one.
The first lockset is provided with at least two, and the relative position between the positioning structure and the stress structure of one of the at least two first locksets is different from the relative position between the positioning structure and the stress structure of the other first lockset.
The shape of the first stress structure is different from that of the positioning structure; the shape of the second stress structure is different from the shape of the positioning structure.
The positioning structure comprises a first groove or a first lug which is respectively arranged on the first lock hole and the second lock hole, and a first lug or a first groove which is respectively arranged on the single-purpose key and the universal key and is suitable for being matched with the first groove or the first lug.
The first groove is an arc groove, and the first lug is an arc lug matched with the arc groove correspondingly.
The first stress structure comprises a second lug arranged on the first lock hole and a second groove which is arranged on the corresponding single key and can be matched with the second lug on the corresponding first lock hole; the second stress structure comprises a third lug arranged on the second lock hole and a third groove which is arranged on the universal key and can be matched with the third lug and any second lug on the first lock hole.
The second convex blocks are square convex blocks, and the second grooves are square grooves matched with the corresponding square convex blocks; the third bump comprises at least one square bump with the same shape as the second bump, and the third groove correspondingly comprises at least one square groove matched with the square bump on the third bump.
A mechanical interlock of the present invention includes a lock assembly of any of the mechanical interlocks described above.
The wire inlet cabinet is provided with three wire inlet cabinets, and the three wire inlet cabinets are respectively arranged corresponding to the three loads and supply power for the loads; the three wire inlet circuit breakers are respectively arranged corresponding to the three wire inlet cabinets and are respectively connected between the corresponding wire inlet cabinets and the load, and the three wire inlet circuit breakers are respectively a first wire inlet circuit breaker, a second wire inlet circuit breaker and a third wire inlet circuit breaker; the communication circuit breakers are arranged, are connected between two adjacent loads, and are a first communication circuit breaker and a second communication circuit breaker respectively, wherein the first communication circuit breaker is connected between the first incoming circuit breaker and the second incoming circuit breaker, and the second communication circuit breaker is connected between the second incoming circuit breaker and the third incoming circuit breaker; the first lock body is provided with two lock bodies, one lock body is suitable for limiting the opening and closing of the first incoming line breaker and the first connecting breaker, and the other lock body is suitable for limiting the opening and closing of the second connecting breaker and the third incoming line breaker; the second lock is adapted to limit opening and closing of any one of the incoming circuit breakers or any one of the tie circuit breakers.
The power supply system comprises the mechanical interlocking device and a transformer which is arranged corresponding to the incoming line cabinet and is suitable for supplying power to the load.
The technical scheme of the invention has the following advantages:
1. the invention discloses a lock assembly, which is suitable for limiting the closing and opening of all circuit breakers on a circuit of a mechanical interlocking device, and comprises a first lock, a second lock and a single-purpose key, wherein the first lock comprises a first lock body arranged on the circuit of the mechanical interlocking device, and the single-purpose key is suitable for opening the first lock body and limiting the designated circuit breakers on the circuit of the mechanical interlocking device to perform closing and opening; the second lockset comprises a second lock body arranged on a circuit of the mechanical interlocking device and a general key which is suitable for opening the second lock body and the first lock body and can limit all circuit breakers on the circuit of the mechanical interlocking device to switch on and off. When the single key is lost, the universal key can still open the first lock body, the appointed circuit breaker that is provided with in the circuit of mechanical interlocking device still can be closed and open the floodgate, and then can not influence the timeliness of this circuit power supply, also can not bring economic loss because of unable power supply or power supply untimely.
2. The first stress structure and the corresponding positioning structure jointly enable the first lock hole to be matched with the universal key and the corresponding single key only; the second stress structure and the corresponding positioning structure enable the second lock body to be matched with the universal key only. The first stress structure and the positioning structure, and the second stress structure and the positioning structure are matched together in a manner that the first stress structure and the positioning structure, the second stress structure and the positioning structure are in a relative position relationship, a shape relationship or a quantity relationship, so that the first stress structure, the positioning structure, the second stress structure and the positioning structure can be arranged according to the use requirement of the lock assembly on the mechanical interlocking device, and the arrangement manner is more.
3. According to the lock assembly, the number of the first locks is at least two, the two first locks are distinguished through the difference of relative position arrangement between the positioning structure and the stress structure of the first locks, the distinguishing mode is relatively simple, and the lock assembly is convenient for operators to use.
4. According to the lock assembly disclosed by the invention, the first stress structure is the second convex block and the second groove, the second stress structure is the third convex block and the third groove, the convex blocks are arranged on the lock body by arranging the grooves on the key, and the universal key can be opened to both the first lock body and the second lock body only by arranging the grooves matched with the convex blocks on all the lock bodies.
5. The lock assembly provided by the invention has the advantages that the positioning structure comprises the first groove and the first lug, the implementation mode of matching the lug and the groove is simple in structure, and the processing is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a single key in accordance with a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a cross-section of the first lock body adapted to the single key of FIG. 1;
FIG. 3 is a schematic cross-sectional view of another single key in accordance with one embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a cross-section of the first lock body adapted to the single key of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a generic key in accordance with a first embodiment of the invention;
FIG. 6 is a cross-sectional schematic view of a cross-section of a second lock body adapted to the universal key of FIG. 5;
fig. 7 is a schematic connection diagram of a power supply system in a third embodiment of the present invention;
reference numerals illustrate:
1-a first lock body; 11-single use key; 12-a first lock hole; 131-first bump; 132-first groove; 141-a second bump; 142-a second groove; 2-a second lock body; 21-a universal key; 22-a second lock hole; 241-third bump; 242-third grooves; k11-a first incoming line breaker; k12-second incoming line breaker; k13-a third incoming line breaker; k21—a first tie breaker; k22—a second link breaker; v-transformer.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Embodiment one:
the lock assembly of the mechanical interlocking device in this embodiment, as shown in fig. 1-6, is adapted to limit the closing and opening of each circuit breaker on the line of the mechanical interlocking device, and includes a first lock and a second lock.
The first lock comprises a first lock body 1 and a single key 11, and the second lock comprises a second lock body 2 and a universal key 21.
The first lock body 1 is arranged on a circuit of the mechanical interlocking device, and a first lock hole 12 matched with the single key 11 and the universal key 21 is arranged on the first lock body 1.
The single key 11 is adapted to open the first lock 1 and limit the switching on and off of a given circuit breaker on the line of the mechanical interlocking device.
The first lockset is provided with a positioning structure and a first stress structure.
The positioning structure comprises a first groove 132 arranged on the first lock hole 12, and a first protruding block 131 arranged on the single key 11 and suitable for being matched with the first groove 132. In this embodiment, the first groove 132 is an arc groove, and the first bump 131 is an arc bump adapted to the arc groove.
The first stress structure includes a second protrusion 141 disposed on the first lock hole 12, and a second groove 142 disposed on the corresponding single key 11 and capable of being matched with the second protrusion 141 on the corresponding first lock hole 12. In this embodiment, the second bump 141 is a square bump, and the second groove 142 is a square groove adapted to the corresponding square bump.
The first stress structure and the corresponding positioning structure cooperate to enable the first lock hole 12 to only be matched with the universal key 21 and the corresponding single key 11, so that the universal key 21 and the corresponding single key 11 can open the first lock body 1.
The shape of the positioning structure is different from that of the first stress structure.
In this embodiment, the first locks have two first lock bodies and corresponding single-use keys, wherein the specific structures of the first lock body and the corresponding single-use key of one first lock are shown in fig. 1 and 2, when the first lock body 1 and the single-use key 11 are matched for use, the second protrusion 141 on the first lock body 1 is matched with the single-use key 11 correspondingly provided with the second groove 142, and the first groove 132 of the first lock body 1 is matched with the first protrusion 131 of the single-use key 11, so that the single-use key 11 can open the first lock body 1.
As shown in fig. 3 and 4, the first lock body 1 and the corresponding single key 11 of the other first lock are shown, the second protrusion 141 on the first lock body 1 is matched with the single key 11 correspondingly provided with the second groove 142, and the first groove 132 of the first lock body 1 is matched with the first protrusion 131 of the single key 11, so that the single key 11 can open the first lock body 1.
In the two first locks, the relative position between the positioning structure and the stress structure of one first lock is different from the relative position between the positioning structure and the stress structure of the other first lock.
The second lock body 2 is arranged on a circuit of the mechanical interlocking device, and a second lock hole 22 matched with the universal key 21 is arranged on the second lock body 2.
The universal key 21 is adapted to open the second lock 2 and the first lock 1, and to limit the switching on and off of all the circuit breakers on the line of the mechanical interlocking device.
And the second lockset is provided with a positioning structure and a second stress structure.
As shown in fig. 5 and 6, the positioning structure includes a first groove 132 provided on the first lock hole 12, and a first protrusion 131 provided on the single key 11 and adapted to mate with the first groove 132. In this embodiment, the first groove 132 is an arc groove, the first bump 131 is an arc bump adapted to the arc groove, and in this embodiment, a joint surface of the first groove 132 and the first bump 131 is arc.
The second stress structure includes a third protrusion 241 disposed on the second lock hole 22, and a third groove 242 disposed on the universal key 21 and capable of being matched with the third protrusion 241 and the second protrusion 141 on any one of the first lock holes 12. In this embodiment, the third bump 241 is a square bump, and the third groove 242 is a square groove adapted to the corresponding square bump.
The second stress structure and the corresponding positioning structure cooperate to enable the second lock body 2 to be only matched with the universal key 21, so that the universal key 21 can open the second lock body 2.
The shape of the second stress structure is different from the shape of the positioning structure.
In this embodiment, the second lock is provided with one second stress structure, as shown in fig. 5 and 6, and the second stress structure includes two third protruding blocks 241 and two third grooves 242, where the two third protruding blocks 241 and the two third grooves 242 are respectively identical to the shapes of the second protruding blocks 141 and the second grooves 142 of the two first locks, and the two third protruding blocks 241 and the two third grooves 242 are respectively symmetrically arranged.
When the universal key 21 is matched with the first lock bodies 1, one of the third grooves 242 of the universal key 21 is matched with the second convex blocks 141 of one of the first lock bodies 1, and the first convex blocks 131 of the universal key 21 and the first grooves 132 of one of the first lock bodies 1 are matched to open one of the first lock bodies 1; the other third groove 242 of the universal key 21 is engaged with the second projection 141 of the other first lock body 1, the positioning structure of the universal key 21 is engaged with the positioning structure of the other first lock body 1, so that the universal key 21 can open the other first lock body 1. When the universal key 21 is matched with the second lock body 2, the two third grooves 242 of the universal key 21 are matched with the second convex blocks 141 of the second lock body 2, and the first convex blocks 131 of the universal key 21 and the first grooves 132 of the second lock body 2 are matched with each other to open the second lock body 2.
The end of the single key 11 and the universal key 21 extending into the first lock body 1 and the second lock body 2 is cylindrical. Of course, the present invention is not limited thereto, and may be square, rectangular, or the like.
As an alternative embodiment, the first lock may have one, the second lock may have one, and the first lock is provided with a positioning structure and a first stress structure, where the positioning structure includes an arc-shaped groove disposed on the first lock hole 12, and an arc-shaped protrusion disposed on the single key 11. The first stress structure comprises a square protruding block arranged on the first lock hole 12 and a square groove arranged on the corresponding single key 11 and matched with the second protruding block 141 on the corresponding first lock hole 12.
The second lock is provided with a positioning structure and a second stress structure, and the positioning structure comprises an arc-shaped groove arranged on the first lock hole 12 and an arc-shaped protruding block arranged on the single key 11. The second stress structure comprises a square protruding block arranged on the second lock hole 22 and a square groove arranged on the universal key 21 and capable of being matched with the third protruding block 241 and the first protruding block 131. The square protruding blocks of the second stress structure are two, and the square grooves are also two.
The first lock has a lock assembly and the second lock has a lock assembly suitable for a three lock two key mechanical interlock.
As an alternative embodiment, the first lock has three locks.
As an alternative embodiment, the second protrusion 141 may be curved, and the second groove 142 is a corresponding curved groove, but the force of the curved joint surface of the second protrusion 141 and the second groove 142, which can make the operation unit key and the first lock body 1 move relatively, is relatively large, and is inconvenient to operate.
As an alternative embodiment, the first groove 132 is a square groove, and the first bump 131 is a square bump corresponding to the square groove.
As an alternative embodiment, the positioning structure includes a first protrusion 131 disposed on the first lock hole 12, and a first groove 132 disposed on the single key 11 and adapted to cooperate with the first protrusion 131.
Embodiment two:
the present embodiment provides a mechanical interlocking device with five locks and three keys, referring to fig. 7, including a lock assembly of the mechanical interlocking device described in the first embodiment. Still include inlet wire cabinet, inlet wire circuit breaker, interconnection circuit breaker, first tool to lock and second tool to lock.
The wire inlet cabinet is provided with three wire inlet cabinets which are respectively arranged corresponding to the three loads and supply power for the loads.
The wire inlet circuit breakers are three, are respectively arranged corresponding to the three wire inlet cabinets and are respectively connected between the corresponding wire inlet cabinets and the load, and the three wire inlet circuit breakers are respectively a first wire inlet circuit breaker K11, a second wire inlet circuit breaker K12 and a third wire inlet circuit breaker K13.
The communication circuit breakers are two and are connected between two adjacent loads, namely a first communication circuit breaker K21 and a second communication circuit breaker K22, the first communication circuit breaker K21 is connected between the first incoming circuit breaker K11 and the second incoming circuit breaker K12, and the second communication circuit breaker K22 is connected between the second incoming circuit breaker K12 and the third incoming circuit breaker K13;
the first lock body 1 has two parts, one of which is suitable for limiting the opening and closing of the first incoming circuit breaker K11 and the first connecting circuit breaker K21, and the other is suitable for limiting the opening and closing of the second connecting circuit breaker K22 and the third incoming circuit breaker K13;
the second lock has one adapted to limit opening and closing of the second incoming circuit breaker K12, and any other incoming circuit breaker or any of the tie circuit breakers.
In this embodiment, referring to fig. 7, one of the first locks is used to limit the closing and opening of the first incoming circuit breaker K11 and the first connecting circuit breaker K21, the other of the first locks is used to limit the closing and opening of the third incoming circuit breaker K13 and the second connecting circuit breaker K22, and the second lock is used to limit the closing and opening of the second incoming circuit breaker K12. Three keys are provided, namely one single key matched with one first lock body, the other single key matched with the other first lock body and the general key matched with the second lock body.
When three incoming line cabinets K1, K2 and K3 supply power for three corresponding loads M1, M2 and M3 respectively, one single key is inserted into one of the first lock bodies limiting the closing and opening of the first incoming line breaker K11, the universal key is inserted into the second lock body limiting the closing and opening of the second incoming line breaker K12, and the other single key is inserted into the other first lock body limiting the closing and opening of the third incoming line breaker K13. When K2 fails, a general key can be inserted into one or the other of the first lock bodies limiting the switching-on and switching-off of the first connecting breaker K21 or limiting the switching-on and switching-off of the second connecting breaker K22, and power can be supplied to the load 2 through K1 or K3. When two incoming line cabinets can supply power, such as K1 and K2 are supplied with power, one single key is inserted into one of the first lock bodies for limiting the closing and opening of the first incoming line breaker K11, the universal key is inserted into the second lock body for limiting the closing and opening of the second incoming line breaker K12, the other single key is inserted into the other first lock body for limiting the closing and opening of the second connecting breaker K22, K1 is used for supplying power for M1, and K2 is used for supplying power for M2 and M3.
When one of the single-use keys or the other single-use key is lost, the universal key can be used for opening one of the first lock body and the other first lock body, so that the situation that power cannot be supplied in time due to the loss of the one single-use key and the other single-use key and economic loss caused by the fact that power cannot be supplied in time are avoided.
Embodiment III:
as shown in fig. 7, a power supply system in this embodiment includes the mechanical interlocking device in the second embodiment, and a transformer V corresponding to the incoming cabinet and adapted to supply power to the load.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (11)
1. A lock assembly for a mechanical interlock adapted to limit the closing and opening of individual circuit breakers on a line of the mechanical interlock, comprising,
the first lockset comprises a first lock body (1) arranged on a circuit of the mechanical interlocking device and a single-purpose key (11) which is suitable for opening the first lock body (1) and can limit a specified circuit breaker on the circuit of the mechanical interlocking device to switch on and off;
the second lockset comprises a second lock body (2) arranged on a circuit of the mechanical interlocking device and a general key (21) which is suitable for opening the second lock body (2) and the first lock body (1) and can limit all circuit breakers on the circuit of the mechanical interlocking device to switch on and off;
the first lock body (1) is provided with a first lock hole (12) which is matched with the single-purpose key (11) and the universal key (21), and the second lock body (2) is provided with a second lock hole (22) which is matched with the universal key (21);
positioning structures are respectively arranged on the first lockset and the second lockset;
the first lockset is provided with a first stress structure, and the first stress structure and the corresponding positioning structure jointly enable the first lockhole (12) to be matched with the universal key (21) and the corresponding single key (11);
the second lockset is provided with a second stress structure, and the second stress structure and the corresponding positioning structure jointly enable the second lock body (2) to be matched with the universal key (21) only;
the single-purpose key (11) and the universal key (21) extend into the first lock body (1) and the second lock body (2), and one ends of the single-purpose key and the universal key are cylinders.
2. The mechanical interlock lock assembly of claim 1 wherein said first lock has at least one.
3. The mechanical interlock lock assembly of claim 2 wherein said first lock has at least two and wherein the relative position between said locating structure and said first stressed structure of one of said first locks is different from the relative position of said locating structure and said first stressed structure of the other of said first locks.
4. A lock assembly of a mechanical interlock according to any one of claims 1 to 3 wherein the shape of the first force receiving structure is different to the shape of the locating structure; the shape of the second stress structure is different from the shape of the positioning structure.
5. The lock assembly of claim 1, wherein the positioning structure comprises a first groove (132) or a first protrusion (131) provided on the first lock hole (12) and the second lock hole (22), respectively, and a first protrusion (131) or a first groove (132) provided on the single key (11) and the universal key (21), respectively, adapted to cooperate with the first groove (132) or the first protrusion (131).
6. The lock assembly of claim 5, wherein the first recess (132) is an arcuate slot and the first projection (131) is a corresponding arcuate projection adapted to the arcuate slot.
7. The lock assembly of a mechanical interlock according to claim 1,
the first stress structure comprises a second lug (141) arranged on the first lock hole (12) and a second groove (142) which is arranged on the corresponding single-purpose key (11) and can be matched with the second lug (141) on the corresponding first lock hole (12);
the second stress structure comprises a third lug (241) arranged on the second lock hole (22), and a third groove (242) arranged on the universal key (21) and capable of being matched with the third lug (241) and the second lug (141) on any first lock hole (12).
8. The lock assembly of claim 7, wherein the second projection (141) is a square projection and the second recess (142) is a square recess adapted to the corresponding square projection; the third bump (241) comprises at least one square bump with the same shape as the second bump (141), and the third groove (242) correspondingly comprises at least one square groove matched with the square bump on the third bump (241).
9. A mechanical interlock comprising the lock assembly of any one of claims 1-8.
10. The mechanical interlock according to claim 9, further comprising,
the wire inlet cabinet is provided with three wire inlet cabinets which are respectively arranged corresponding to the three loads and supply power for the loads;
the three wire inlet circuit breakers are respectively arranged corresponding to the three wire inlet cabinets and are respectively connected between the corresponding wire inlet cabinets and the load, and the three wire inlet circuit breakers are respectively a first wire inlet circuit breaker (K11), a second wire inlet circuit breaker (K12) and a third wire inlet circuit breaker (K13);
the communication circuit breakers are arranged, are connected between two adjacent loads and are a first communication circuit breaker (K21) and a second communication circuit breaker (K22) respectively, the first communication circuit breaker (K21) is connected between the first incoming circuit breaker (K11) and the second incoming circuit breaker (K12), and the second communication circuit breaker (K22) is connected between the second incoming circuit breaker (K12) and the third incoming circuit breaker (K13);
the first lock body (1) has two, one of which is suitable for limiting the opening and closing of the first incoming circuit breaker (K11) and the first connecting circuit breaker (K21) and the other is suitable for limiting the opening and closing of the second connecting circuit breaker (K22) and the third incoming circuit breaker (K13);
the second lock is adapted to limit opening and closing of any one of the incoming circuit breakers or any one of the tie circuit breakers.
11. A power supply system comprising the mechanical interlock of claim 10 and a transformer (V) arranged in correspondence with said incoming cabinet and adapted to supply said load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482387.7A CN108447713B (en) | 2018-05-18 | 2018-05-18 | Lock of mechanical interlocking device, mechanical interlocking device and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482387.7A CN108447713B (en) | 2018-05-18 | 2018-05-18 | Lock of mechanical interlocking device, mechanical interlocking device and power supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108447713A CN108447713A (en) | 2018-08-24 |
| CN108447713B true CN108447713B (en) | 2023-09-29 |
Family
ID=63204923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810482387.7A Active CN108447713B (en) | 2018-05-18 | 2018-05-18 | Lock of mechanical interlocking device, mechanical interlocking device and power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108447713B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0401647A1 (en) * | 1989-06-06 | 1990-12-12 | Anatoli Stobbe | Locking mechanism |
| JP2007202246A (en) * | 2006-01-24 | 2007-08-09 | Chugoku Electric Power Co Inc:The | House power feeding system of power plant |
| CN201054311Y (en) * | 2007-06-29 | 2008-04-30 | 西安电力机械制造公司 | A key interlocking device for gas insulation switch device |
| EP1944780A1 (en) * | 2006-12-29 | 2008-07-16 | LS Industrial Systems Co., Ltd | Key lock device for circuit breaker |
| CN201413939Y (en) * | 2009-05-18 | 2010-02-24 | 深圳市深开电器实业有限公司 | Electrical interlocking system of inlet wire and interconnection switch for switch apparatus |
| CN201805268U (en) * | 2010-09-09 | 2011-04-20 | 北京星航机电设备厂 | Low-voltage power distribution three-incoming line two-bus contact electrical interlocking control device |
| CN103681033A (en) * | 2013-12-19 | 2014-03-26 | 山东华宁矿业集团有限公司 | Mechanical locking device for high voltage safeguard switch isolation bolts |
| CN203660652U (en) * | 2014-01-22 | 2014-06-18 | 陕西龙源佳泰电器设备有限公司 | Control power supply automatic conversion device for low-voltage contact cabinet |
| CN203707774U (en) * | 2014-01-22 | 2014-07-09 | 中山市明阳电器有限公司 | Power distribution system with two incoming line switches and one interconnection switch |
| CN204011150U (en) * | 2014-06-06 | 2014-12-10 | 洛阳新思路电气股份有限公司 | Low-voltage distribution cabinet interlock control system |
| CN104576120A (en) * | 2014-12-31 | 2015-04-29 | 上海凯研机械设备有限公司 | Mechanical key unlocking system |
| CN205004207U (en) * | 2015-10-09 | 2016-01-27 | 青岛鲁能恒源高新电气有限公司 | Distribution cubical switchboard mechanical latching mechanism |
| CN106300059A (en) * | 2016-08-31 | 2017-01-04 | 万控集团有限公司 | A kind of switch cubicle handle hole hanging locking device possessing fire-resistant arc ability |
| CN106787141A (en) * | 2016-12-28 | 2017-05-31 | 国网上海市电力公司 | A kind of extension spare power automatic switching method of 10kV switchyards interconnection |
| CN206283258U (en) * | 2016-12-08 | 2017-06-27 | 泰豪科技股份有限公司 | A kind of contact of two inlet wire one shutting-brake control electrical structure and power distribution equipment |
| CN206481103U (en) * | 2017-03-01 | 2017-09-08 | 泰豪科技股份有限公司 | The control circuit of double-bus distribution |
| CN206894349U (en) * | 2017-04-24 | 2018-01-16 | 泰豪科技股份有限公司 | Generator auto-start control circuit and power distribution equipment |
| CN206894341U (en) * | 2017-06-15 | 2018-01-16 | 杭州中大电器承装有限公司 | Four two key power transfer devices of lock |
| CN208256519U (en) * | 2018-05-18 | 2018-12-18 | 浙江临高电气实业有限公司 | A kind of lockset of mechanical interlocks, mechanical interlocks, power supply system |
-
2018
- 2018-05-18 CN CN201810482387.7A patent/CN108447713B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0401647A1 (en) * | 1989-06-06 | 1990-12-12 | Anatoli Stobbe | Locking mechanism |
| JP2007202246A (en) * | 2006-01-24 | 2007-08-09 | Chugoku Electric Power Co Inc:The | House power feeding system of power plant |
| EP1944780A1 (en) * | 2006-12-29 | 2008-07-16 | LS Industrial Systems Co., Ltd | Key lock device for circuit breaker |
| CN201054311Y (en) * | 2007-06-29 | 2008-04-30 | 西安电力机械制造公司 | A key interlocking device for gas insulation switch device |
| CN201413939Y (en) * | 2009-05-18 | 2010-02-24 | 深圳市深开电器实业有限公司 | Electrical interlocking system of inlet wire and interconnection switch for switch apparatus |
| CN201805268U (en) * | 2010-09-09 | 2011-04-20 | 北京星航机电设备厂 | Low-voltage power distribution three-incoming line two-bus contact electrical interlocking control device |
| CN103681033A (en) * | 2013-12-19 | 2014-03-26 | 山东华宁矿业集团有限公司 | Mechanical locking device for high voltage safeguard switch isolation bolts |
| CN203707774U (en) * | 2014-01-22 | 2014-07-09 | 中山市明阳电器有限公司 | Power distribution system with two incoming line switches and one interconnection switch |
| CN203660652U (en) * | 2014-01-22 | 2014-06-18 | 陕西龙源佳泰电器设备有限公司 | Control power supply automatic conversion device for low-voltage contact cabinet |
| CN204011150U (en) * | 2014-06-06 | 2014-12-10 | 洛阳新思路电气股份有限公司 | Low-voltage distribution cabinet interlock control system |
| CN104576120A (en) * | 2014-12-31 | 2015-04-29 | 上海凯研机械设备有限公司 | Mechanical key unlocking system |
| CN205004207U (en) * | 2015-10-09 | 2016-01-27 | 青岛鲁能恒源高新电气有限公司 | Distribution cubical switchboard mechanical latching mechanism |
| CN106300059A (en) * | 2016-08-31 | 2017-01-04 | 万控集团有限公司 | A kind of switch cubicle handle hole hanging locking device possessing fire-resistant arc ability |
| CN206283258U (en) * | 2016-12-08 | 2017-06-27 | 泰豪科技股份有限公司 | A kind of contact of two inlet wire one shutting-brake control electrical structure and power distribution equipment |
| CN106787141A (en) * | 2016-12-28 | 2017-05-31 | 国网上海市电力公司 | A kind of extension spare power automatic switching method of 10kV switchyards interconnection |
| CN206481103U (en) * | 2017-03-01 | 2017-09-08 | 泰豪科技股份有限公司 | The control circuit of double-bus distribution |
| CN206894349U (en) * | 2017-04-24 | 2018-01-16 | 泰豪科技股份有限公司 | Generator auto-start control circuit and power distribution equipment |
| CN206894341U (en) * | 2017-06-15 | 2018-01-16 | 杭州中大电器承装有限公司 | Four two key power transfer devices of lock |
| CN208256519U (en) * | 2018-05-18 | 2018-12-18 | 浙江临高电气实业有限公司 | A kind of lockset of mechanical interlocks, mechanical interlocks, power supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108447713A (en) | 2018-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102027639B (en) | Jumper, and structural unit comprising at least two modular electric terminals and a jumper | |
| CN101297449B (en) | A transmission system | |
| CA2604874A1 (en) | Multiple circuit receptacles | |
| CN102623215B (en) | Ground wire locking device and locking method thereof | |
| US6492745B1 (en) | Battery disconnect system | |
| CN102931661B (en) | Alternating-current distribution method and power supply wiring device compatible to various power grid patterns | |
| CN110739685B (en) | Uninterrupted power operation method for cable type power distribution network | |
| CN108447713B (en) | Lock of mechanical interlocking device, mechanical interlocking device and power supply system | |
| CN206283258U (en) | A kind of contact of two inlet wire one shutting-brake control electrical structure and power distribution equipment | |
| CN214205087U (en) | Four-incoming-line one-bus-coupler interlocking system of low-voltage power distribution system | |
| CN208256519U (en) | A kind of lockset of mechanical interlocks, mechanical interlocks, power supply system | |
| CN206894341U (en) | Four two key power transfer devices of lock | |
| CN206758314U (en) | A kind of low-voltage power supply system and its mechanical locking device | |
| CN211397062U (en) | Mechanism box locking auxiliary bolt | |
| CN211017992U (en) | Multiport direct current breaker maintenance system that does not have a power failure | |
| CN208257409U (en) | Double-bus back brake anti-misoperation control device and double-bus power supply system | |
| KR20140039835A (en) | The distributing system for a ship | |
| CN107445063A (en) | For crane remote control and the switching circuit of manual mode operation | |
| CN216289588U (en) | Buckle plate, lock catch and locking device for power distribution cabinet | |
| CN217881211U (en) | Power switch interlocking device and power switch interlocking system | |
| CN216086261U (en) | High-voltage intelligent switch cabinet based on Internet of things | |
| CN211929342U (en) | Safe and reliable's interlock | |
| CN215897311U (en) | Distributed power distribution system | |
| CN2625941Y (en) | System for controlling multiple electric appliance with bus type dispersion method | |
| CN214754840U (en) | Cabinet body cabinet combining connecting device of low-voltage switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |