CN202695212U - Switch misoperation preventing mechanism of electrical five-prevention 10kV switch cabinet - Google Patents
Switch misoperation preventing mechanism of electrical five-prevention 10kV switch cabinet Download PDFInfo
- Publication number
- CN202695212U CN202695212U CN 201220342284 CN201220342284U CN202695212U CN 202695212 U CN202695212 U CN 202695212U CN 201220342284 CN201220342284 CN 201220342284 CN 201220342284 U CN201220342284 U CN 201220342284U CN 202695212 U CN202695212 U CN 202695212U
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- Prior art keywords
- switch
- separating brake
- normally opened
- opened contact
- combined floodgate
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Abstract
The utility model discloses a switch misoperation preventing mechanism of an electrical five-prevention 10kV switch cabinet. The switch misoperation preventing mechanism comprises a switch and an intelligent lock, wherein the switch is arranged on a cabinet body, and the intelligent lock is used for driving an interlocking mechanism of the switch cabinet; the switch comprises a switch opening press key and a switch closing press key; the intelligent lock comprises a key and an electrical lock cylinder; and a limiting rod is extended out of the side surface of the lock cylinder along the radial direction. The switch misoperation preventing mechanism also comprises a controller and a first spring which is used for resetting the limiting rod, wherein one end of the first spring is connected with the limiting rod, and the other end of the first spring is connected with a cabinet body of the switch cabinet; and the output end of the electrical controller is connected with an executing mechanism which is used for stopping or releasing the limiting rod. The switch misoperation preventing mechanism can prevent the switch from being mistakenly operated.
Description
Technical field
The utility model relates to the 10kV switch cubicle in the electric power system, is specifically related to a kind of switch misoperation-proof mechanism of electric five anti-10kV switch cubicles.
Background technology
10kV switch cubicle in the electric power system (abbreviation switch cubicle) comprises disconnecting link and the switch (circuit breaker) that is connected between 10kV bus and the output, and general disconnecting link is as isolating switch.Switch comprises switch separating brake button and switch combined floodgate button, respectively control switch deciliter owing to having high-tension danger, must guarantee the handling safety of switch, then require switch to possess five anti-functions.Each disconnecting link in the switch group, switch need in order successively operation, do not allow in the same switch cubicle switch of operation, the switch of other switch cubicle to be operated, so normally by interlock operating sequence is interlocked, correspondence disposes the smart lock that interlocking device is respectively organized in driving, such as the disclosed a kind of electronic lock cylinder of Chinese invention patent ZL200710165666.2 and electronic lock system, be a kind of smart lock, comprise key and lock core, behind the key that inserts smart lock, just can carry out release, can press just that switch divides, the combined floodgate button carries out switch deciliter.The operation order of electric grid operating can directly be write in the key of smart lock, automatically forms and operation order requires consistent operation sequence, just thinks that corresponding Intelligent lock core is in order, and the ability unlock operation has guaranteed the order of operator closing operation ticket appointment.
After but the operator inserts key, can occur switch is not operated or operate halfway misoperation situation, not have real deciliter such as switch inside, if carry out next step this moment, will bring that very large Keep Clear-High Voltage, even threat to life.
The utility model content
Technical problem to be solved in the utility model just provides the switch misoperation-proof mechanism that a kind of electric five is prevented the 10kV switch cubicles, can prevent the incorrect switching of switch cubicle.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is as follows:
Compared with prior art, the utlity model has following advantage: a kind of switch misoperation-proof mechanism of electric five anti-10kV switch cubicles, comprise the switch that is installed on the cabinet, the smart lock that is used for the interlocking device of driving switch cabinet, described switch comprises switch separating brake button and switch combined floodgate button, described smart lock comprises key and lock core, it is characterized in that: described lock core side extends radially a gag lever post; Described switch misoperation-proof mechanism also comprises controller and is used for the first spring that gag lever post resets, described the first spring one end links to each other with gag lever post, the other end of the first spring links to each other with the cabinet of switch cubicle, and the output of described controller is connected be used to stopping or removing the actuator that stops gag lever post.
Controller described in the utility model comprises travel switch, closing relay, separating brake relay, very first time relay, second time relay and operating power, the combined floodgate normally opened contact of described closing relay tool self-locking, described separating brake relay has the separating brake normally opened contact of self-locking, combined floodgate normally opened contact and the interlocking of separating brake normally opened contact, described very first time relay has the first normally opened contact that recovers after the action, and described second time relay has the second normally opened contact that recovers after the action; Described travel switch is positioned at the below of actuator; The anode of described operating power connects an end of travel switch, the other end of travel switch is the input of access actuator behind the first normally opened contact and the second normally opened contact respectively, the negative terminal of the output access operation power supply of actuator, the other end of the trip switch is also successively through the negative terminal of switch separating brake button, separating brake relay access operation power supply, and the other end of the trip switch is also successively through the negative terminal of switch combined floodgate button, closing relay access operation power supply; Described very first time relay be connected in parallel between the positive and negative end of operating power after the separating brake normally opened contact is connected, described second time relay be connected in parallel between the positive and negative end of operating power after the combined floodgate normally opened contact is connected.
Actuator described in the utility model comprises the second spring, electromagnet, sliding bar, armature, block, and the input of described electromagnet, output correspond to input, the output of actuator; Described sliding bar is through electromagnet and by stretching out in the electromagnet, be slidingly connected with electromagnet, described block is fixed on the external part of sliding bar, described armature is fixed between the electromagnet and block on the sliding bar, described the second spring housing is located on the sliding bar, between electromagnet and armature, the two ends of the second spring offset with electromagnet and armature respectively; Described travel switch is positioned at the block below.
Controller described in the utility model also comprises the first to the 3rd current-limiting resistance, the first to the 3rd diode, the first bleeder resistance, the second bleeder resistance, the first electric capacity, the second electric capacity, described the first current-limiting resistance, the first diode, the first capacitance series are on the control loop of very first time relay, and described the first bleeder resistance is attempted by the first electric capacity two ends; Described the second current-limiting resistance, the second diode, the second capacitance series are on the control loop of second time relay, and described the second bleeder resistance is attempted by the second electric capacity two ends; The other end of described travel switch behind the first normally opened contact and the second normally opened contact, all accesses the input of electromagnet respectively through the 3rd diode, the 3rd current-limiting resistance.
Closing relay described in the utility model also has the combined floodgate normally-closed contact of self-locking, and described separating brake relay also has the separating brake normally-closed contact of self-locking, combined floodgate normally-closed contact and the interlocking of separating brake normally-closed contact; Described combined floodgate normally-closed contact is serially connected between the negative terminal of the output of closing relay and operating power, and described separating brake normally-closed contact is serially connected between the negative terminal of separating brake relay and operating power.
Controller described in the utility model also comprises switch combined floodgate indicator light and switch separating brake indicator light, described switch combined floodgate indicator light is connected between combined floodgate normally opened contact and the operating power negative terminal, and described switch separating brake indicator light is connected between separating brake normally opened contact and the operating power negative terminal.
Compared with prior art, the utlity model has following advantage:
Switch misoperation-proof mechanism of the present utility model can prevent incorrect switching, after key inserts the lock core rotation, if do not press switch separating brake button or switch combined floodgate button, key can't be extracted out from lock core, thoroughly finish the operation of minute combination switch with the imperative operation personnel, be beneficial to the five anti-functions that realize switch cubicle, guaranteed deciliter handling safety of switch.
Description of drawings
Fig. 1 is the mounting structure schematic diagram of the smart lock of the utility model switch misoperation-proof mechanism;
Fig. 2 is that the utility model switch misoperation-proof mechanism is split the connection diagram (omitting the first spring, key) before closing operation is carried out in the pass;
Fig. 3 is the utility model switch misoperation-proof mechanism when splitting the connection diagram (omitting the first spring, key) of closing when carrying out closing operation;
Fig. 4 is the connection diagram (omit first spring, key) of the utility model switch misoperation-proof mechanism after operating personnel press switch combined floodgate button Kh.
Embodiment
The switch misoperation-proof mechanism of the electric five anti-10kV switch cubicles shown in Fig. 1-4, it comprises that the switch that is installed on the cabinet 1 is used for the smart lock of the driving interlocking device of switch cubicle, switch comprises switch separating brake button Kf and switch combined floodgate button Kh, smart lock comprises key 2 and lock core 3, key 2 is inserted lock core 3 rear (as shown in Figure 1), when key 2 and lock core 3 correspondences are in order, then the interlocking device of switch cubicle unblanks, can split to close and carry out a deciliter operation, and, key can't unexpectedly be extracted out in rotation process.It is the disclosed a kind of passive electronic lock of ZL200710165666.2 that smart lock can adopt the patent No..
As shown in Figure 1, lock core 3 sides extend radially a gag lever post 4; The switch misoperation-proof mechanism also is provided with controller and is used for the first spring 5 that gag lever post 4 resets, the first spring 5 one ends link to each other with gag lever post 4, the other end of the first spring 5 is used for linking to each other with the cabinet 1 of switch cubicle, and the output of controller is connected be used to stopping or removing the actuator 6 that stops gag lever post 4; Controller can be located in the switch cabinet body 1.
Shown in Fig. 2-4, controller comprises travel switch Kx, closing relay JH, separating brake relay J F, very first time relay J 1, the second time relay J2, operating power U, the first current-limiting resistance R1, the second current-limiting resistance R2, the 3rd current-limiting resistance R3, the first diode D1, the second diode D2, the 3rd diode D3, the first bleeder resistance Rx1, the second bleeder resistance Rx2, the first capacitor C 1, the second capacitor C 2, switch combined floodgate indicator light Lh and switch separating brake indicator light Lf, two indicator lights are used for the divide-shut brake indication of switch, be installed on the panel of cabinet 1, closing relay JH has the combined floodgate normally opened contact H of self-locking, separating brake relay J F has the separating brake normally opened contact F of self-locking, combined floodgate normally opened contact H and separating brake normally opened contact F interlocking, closing relay JH also has the combined floodgate normally-closed contact H1 of self-locking, separating brake relay J F also has the separating brake normally-closed contact F1 of self-locking, combined floodgate normally-closed contact H1 and separating brake normally-closed contact F1 interlocking; Combined floodgate normally-closed contact H1 is serially connected between the negative terminal of the output of closing relay JH and operating power U, and separating brake normally-closed contact F1 is serially connected between the negative terminal of separating brake relay J F and operating power U.
Very first time relay J 1 has the first normally opened contact f that recovers after the action
1, the second time relay J2 has the second normally opened contact h that recovers after the action
1Travel switch Kx is positioned at the below of actuator 6; The anode of operating power U connects the end of travel switch Kx, and the other end of travel switch Kx is respectively through the first normally opened contact f
1With the second normally opened contact h
1The rear input that accesses actuator 6, the negative terminal of the output access operation power supply U of actuator 6, the other end of the trip K switch x is also successively through the negative terminal of switch separating brake button Kf, separating brake relay J F access operation power supply U, and the other end of the trip K switch x is also successively through the negative terminal of switch combined floodgate button Kf, closing relay JH access operation power supply U; Very first time relay J 1 be connected in parallel between the positive and negative end of operating power U after separating brake normally opened contact F connects, the second time relay J2 be connected in parallel between the positive and negative end of operating power U after combined floodgate normally opened contact H connects.
The first current-limiting resistance R1, the first diode D1, the first capacitor C 1 are serially connected on the control loop of very first time relay J 1, and the first bleeder resistance Rx1 is attempted by the first capacitor C 1 two ends; The second current-limiting resistance R2, the second diode D2, the second capacitor C 2 are serially connected on the control loop of the second time relay J2, and the second bleeder resistance Rx2 is attempted by the second capacitor C 2 two ends; The other end of travel switch Kx is respectively through the first normally opened contact f
1With the second normally opened contact h
1After, all through the 3rd diode D3, the 3rd current-limiting resistance R3 the access electromagnet 62 input.Switch combined floodgate indicator light Lh is connected between combined floodgate normally opened contact H and the operating power U negative terminal, and switch separating brake indicator light Lf is connected between separating brake normally opened contact F and the operating power U negative terminal.
The actuator 6 of the present embodiment comprises the second spring 61, electromagnet 62, sliding bar 63, armature 64, block 65, and the input of electromagnet 62, output correspond to input, the output of actuator 6; Sliding bar 63 is through electromagnet 62 and by stretching out in the electromagnet 62, be slidingly connected with electromagnet 62, block 65 is fixed on the external part of sliding bar 63, armature 64 is fixed between the electromagnet 62 and block 65 on the sliding bar 63, the second spring 61 is set on the sliding bar 63, between electromagnet 62 and armature 64, the two ends of the second spring 61 offset with electromagnet 62 and armature 64 respectively; Travel switch Kx is positioned at block 65 belows.
The operating principle of the switch misoperation-proof mechanism of this electric five anti-10kV switch cubicles is as follows:
As shown in Figure 2, split close carry out closing operation before, travel switch Kx disconnects, and the control loop of controller disconnects the control to actuator, and each relay and indicator light keep the switch of previous action to be in gate-dividing state: combined floodgate normally-closed contact H1 is closed, separating brake normally-closed contact F1 disconnects, separating brake normally opened contact F is closed, and combined floodgate normally opened contact H disconnects, and Lf is bright for switch separating brake indicator light, switch combined floodgate indicator light Lh goes out, the first normally opened contact f
1With the second normally opened contact h
1All disconnect;
As shown in Figure 3, close when carrying out closing operation when splitting, key 2 is inserted lock core 3 rear rotations, gag lever post 4 is followed lock core 3 and is turned to block 65 places at this moment, stopped by block 65 and can't reset by the first spring 5, gag lever post 4 is depressed and is connected travel switch Kx simultaneously, and the control loop of controller still is in off-state; At this moment, key 2 is stopped owing to gag lever post 4, can't rotate recovery, so key 2 can't be extracted out from lock core 3, must press switch combined floodgate button Kh with the imperative operation personnel;
As shown in Figure 4, after operating personnel pressed switch combined floodgate button Kh, closing relay JH was charged, make combined floodgate normally opened contact H closed, separating brake normally opened contact F disconnects, and switch separating brake indicator light Lf goes out, Lh is bright for switch combined floodgate indicator light, and the second time relay J2 is charged simultaneously, the second normally opened contact h
1Closed, the control loop of controller is connected, make electromagnet 62 charged, electromagnet 62 adhesive armatures 64 also compress the second spring 61, drive sliding bar 63, block 65 shrinks, and block 65 was removed the stopping of gag lever post 4, gag lever post 4 resets by the first spring 5, this moment then rotatable lock core 3 to original position, to extract key 2 out.Disconnect in the charged rear combined floodgate normally-closed contact H1 time-delay of closing relay JH, separating brake normally-closed contact F1 is closed simultaneously, waits for next step switch sub-switching operation.
Split the principle of closing the operation carry out separating brake and above-mentioned switch closing operation principle basic identical, repeat no more herein.
Execution mode of the present utility model is not limited to this; under the above-mentioned basic fundamental thought of the utility model prerequisite; according to modification, replacement or the change to the utility model other various ways that content is made of the ordinary skill knowledge of this area and customary means, all within the utility model rights protection scope.
Claims (6)
1. the switch misoperation-proof mechanism of an electric five anti-10kV switch cubicles, comprise switch on the cabinet (1) that is installed on switch cubicle, be used for the smart lock of the interlocking device of driving switch cabinet, described switch comprises switch separating brake button (Kf) and switch combined floodgate button (Kh), described smart lock comprises key (2) and lock core (3), it is characterized in that: described lock core (3) side extends radially a gag lever post (4); Described switch misoperation-proof mechanism also comprises controller and is used for the first spring (5) that gag lever post (4) resets, described the first spring (5) one ends link to each other with gag lever post (4), the other end of the first spring (5) is used for linking to each other with the cabinet (1) of switch cubicle, and the output of described controller is connected be used to stopping or removing the actuator (6) that stops gag lever post (4).
2. electric five according to claim 1 is prevented the switch misoperation-proof mechanism of 10kV switch cubicles, it is characterized in that: described controller comprises travel switch (Kx), closing relay (JH), separating brake relay (JF), very first time relay (J1), second time relay (J2) and operating power (U), described closing relay (JH) has the combined floodgate normally opened contact (H) of self-locking, described separating brake relay (JF) has the separating brake normally opened contact (F) of self-locking, combined floodgate normally opened contact (H) has the first normally opened contact (f that recovers after the action with separating brake normally opened contact (F) interlocking, described very first time relay (J1)
1), described second time relay (J2) has the second normally opened contact (h that recovers after the action
1); Described travel switch (Kx) is positioned at the below of actuator (6); The anode of described operating power (U) connects an end of travel switch (Kx), and the other end of travel switch (Kx) is respectively through the first normally opened contact (f
1) and the second normally opened contact (h
1) the rear input that accesses actuator (6), the negative terminal of the output access operation power supply (U) of actuator (6), the other end of the trip switch (Kx) is also successively through the negative terminal of switch separating brake button (Kf), separating brake relay (JF) access operation power supply (U), and the other end of the trip switch (Kx) is also successively through the negative terminal of switch combined floodgate button (Kf), closing relay (JH) access operation power supply (U); Described very first time relay (J1) be connected in parallel between the positive and negative end of operating power (U) after separating brake normally opened contact (F) is connected, described second time relay (J2) be connected in parallel between the positive and negative end of operating power (U) after combined floodgate normally opened contact (H) is connected.
3. electric five according to claim 2 is prevented the switch misoperation-proof mechanism of 10kV switch cubicles, it is characterized in that: described actuator (6) comprises the second spring (61), electromagnet (62), sliding bar (63), armature (64), block (65), and input, the output of described electromagnet (62) correspond to input, the output of actuator (6); Described sliding bar (63) is through electromagnet (62) and by stretching out in the electromagnet (62), be slidingly connected with electromagnet (62), described block (65) is fixed on the external part of sliding bar (63), described armature (64) is fixed between the electromagnet (62) and block (65) on the sliding bar (63), described the second spring (61) is set on the sliding bar (63), be positioned between electromagnet (62) and the armature (64), the two ends of the second spring (61) offset with electromagnet (62) and armature (64) respectively; Described travel switch (Kx) is positioned at block (65) below.
4. electric five according to claim 3 is prevented the switch misoperation-proof mechanism of 10kV switch cubicles, it is characterized in that: described controller also comprises the first current-limiting resistance (R1), the second current-limiting resistance (R2), the 3rd current-limiting resistance (R3), the first diode (D1), the second diode (D2), the 3rd diode (D3), the first bleeder resistance (Rx1), the second bleeder resistance (Rx2), the first electric capacity (C1), the second electric capacity (C2), described the first current-limiting resistance (R1), the first diode (D1), the first electric capacity (C1) is serially connected on the control loop of very first time relay (J1), and described the first bleeder resistance (Rx1) is attempted by the first electric capacity (C1) two ends; Described the second current-limiting resistance (R2), the second diode (D2), the second electric capacity (C2) are serially connected on the control loop of second time relay (J2), and described the second bleeder resistance (Rx2) is attempted by the second electric capacity (C2) two ends; The other end of described travel switch (Kx) is respectively through the first normally opened contact (f
1) and the second normally opened contact (h
1) after, all through the input of the 3rd diode (D3), the 3rd current-limiting resistance (R3) access electromagnet (62).
5. electric five according to claim 4 is prevented the switch misoperation-proof mechanism of 10kV switch cubicles, it is characterized in that: described closing relay (JH) also has the combined floodgate normally-closed contact (H1) of self-locking, described separating brake relay (JF) also has the separating brake normally-closed contact (F1) of self-locking, combined floodgate normally-closed contact (H1) and separating brake normally-closed contact (F1) interlocking; Described combined floodgate normally-closed contact (H1) is serially connected between the negative terminal of the output of closing relay (JH) and operating power (U), and described separating brake normally-closed contact (F1) is serially connected between the negative terminal of separating brake relay (JF) and operating power (U).
6. each described electric five is prevented the switch misoperation-proof mechanism of 10kV switch cubicles according to claim 4-5, it is characterized in that: described controller also comprises switch combined floodgate indicator light (Lh) and switch separating brake indicator light (Lf), described switch combined floodgate indicator light (Lh) is connected between combined floodgate normally opened contact (H) and operating power (U) negative terminal, and described switch separating brake indicator light (Lf) is connected between separating brake normally opened contact (F) and operating power (U) negative terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342284 CN202695212U (en) | 2012-07-13 | 2012-07-13 | Switch misoperation preventing mechanism of electrical five-prevention 10kV switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342284 CN202695212U (en) | 2012-07-13 | 2012-07-13 | Switch misoperation preventing mechanism of electrical five-prevention 10kV switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695212U true CN202695212U (en) | 2013-01-23 |
Family
ID=47550793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342284 Expired - Fee Related CN202695212U (en) | 2012-07-13 | 2012-07-13 | Switch misoperation preventing mechanism of electrical five-prevention 10kV switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695212U (en) |
-
2012
- 2012-07-13 CN CN 201220342284 patent/CN202695212U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140713 |
|
| EXPY | Termination of patent right or utility model |