CN102254728A - Dynamic contact horizontal movement type high-voltage isolation switch allowing for detection of position of dynamic contact - Google Patents
Dynamic contact horizontal movement type high-voltage isolation switch allowing for detection of position of dynamic contact Download PDFInfo
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Abstract
The invention relates to a dynamic contact horizontal movement type high-voltage isolation switch allowing for detection of the position of a dynamic contact. The dynamic contact high-voltage isolation switch comprises the dynamic contact, a support, an auxiliary switch, a photoelectric switch and a reflection plate, wherein the reflection plate is arranged on the dynamic contact, and the photoelectric switch is arranged on the support. Aiming at the characteristic of the movement way of the dynamic contact of the horizontal movement type isolation switch, the angle of the reflection plate is calculated accurately, so the switch can ensure accurate and reliable detection of the dynamic contact no matter double reflection plates or a single reflection plate is adopted. By a photoelectric technology, the on-line and real-time detection of the position of the isolation switch high-voltage contact can be realized, and the characteristics of safety, reliability and accuracy can be obtained.
Description
Technical field
The present invention relates to a kind of high voltage isolating switch, more particularly, relate to a kind of moving contact horizontal movement type high voltage isolator of moving contact position probing.
Background technology
In the design of intelligent transformer station, generally all use motor-operating mechanism to substitute the pulling process of opening of manpower owing to realized unattended function, the high voltage isolator of wherein selecting for use, but brought a new problem simultaneously.When personnel operate, the people just stand in isolating switch near, can the Direct observation isolating switch open the action situation of the actual main contact after drawing, put in place to determine whether " branch ", " closing ".But after being to use electric operating, because operating personnel are backstage remote controls in the distance, " branch ", " closing " situation of the plug-in strip blade reality after can't the observation site action.And to electric power system, the actual act state after the straighforward operation, very important to normal operation of system and safety in production, because the purpose of design and installation isolating switch is to form a tangible cut-off point, cause electric safety to isolate.Therefore to the detecting of the high pressure moving contact after the operation of electric remote control plug-in strip at line position, can be described as requisitely, if lacked this device, may cause serious accident to take place.
Traditional high voltage isolator judges that the method that the open and close state of disconnecting link adopts is: in the operating mechanism rotating shaft of control disconnecting link " branch ", " closing " auxiliary switch is installed.And be installed on auxiliary switch in the operating mechanism rotating shaft, and when operating machine action, drive rotating shaft to rotate, thereby change the state of auxiliary switch, the folding condition of disconnecting link is judged indirectly.This just by the detection to secondary side (low-pressure side), does not reflect the reality " branch " of isolating switch primary side (high-pressure side), the situation of " closing " state.
Though having to a certain extent, above-described method can solve the problem that the backstage remote control brings, but still exist not enough: " branch ", " closing " state of disconnecting link are judged by the auxiliary switch in the rotating shaft, it is a kind of indirect judgment mode of secondary, the old damage of element, failure and other reasons, all may cause misjudgment, can not reflect the definite position of high pressure main contact in 100% ground, thereby bring the hidden danger of accident to the safety operation operation.Especially intelligence electrification transformer station is nobody value of keeping, by backstage remote control isolating switch, there is disappearance in understanding directly perceived to its action situation, if auxiliary switch mistake occurs to the judgement of isolating switch, then isolating switch cut-offs and forms the electrical barrier of obvious disconnection, isolating points, and the basic function and the purpose of these application are not just known where to begin.And operate isolating switch this moment, and the just existence danger greatly of life security to operating personnel if having an accident, will cause serious consequence, so particularly outstanding and necessary to " branch ", " closing " status detection of isolating switch.
Summary of the invention
The objective of the invention is to solve problem set forth above, providing a kind of applies in the intelligent grid unattended operation electric substation, the high voltage isolator that can accurately detect the position of plug-in strip " branch ", " closing " state, described isolating switch is by the detection and localization to the moving contact high-pressure side, and judge, thereby draw result the most accurately in conjunction with secondary circuit.
Technical scheme of the present invention is such:
A kind of moving contact horizontal movement type high voltage isolator of moving contact position probing comprises moving contact, bearing, auxiliary switch, also comprises optoelectronic switch, reflecting plate, and described reflecting plate is installed on the moving contact, and optoelectronic switch is installed on the bearing.
As preferably, the reflecting surface setting angle of described reflecting plate is: described reflecting surface is towards optoelectronic switch.
As preferably, described optoelectronic switch is installed on the bearing perpendicular to the rectilinear direction of reflecting plate.
As preferably, described optoelectronic switch comprises " branch " optoelectronic switch, " closing " optoelectronic switch.
As preferably, the position that " branch " optoelectronic switch is installed is: on the bearing when moving contact is opened, perpendicular to the rectilinear direction of reflecting plate; " closing " position that optoelectronic switch installs is: on the bearing when moving contact is closed, perpendicular to the rectilinear direction of reflecting plate.
As preferably, described reflecting plate can also be divided into " divide and detect " reflecting plate, " closing detections " reflecting plate, is respectively applied for the closed and open position of moving contact and detects.
As preferably, a side of each termination of described moving contact is all installed at least more than one reflecting plate, and at least more than one and the corresponding optoelectronic switch in described reflecting plate position are installed on the bearing.
As preferably, as preferably, the moving contact of described isolating switch at least one mutually more than;
Corresponding with moving contact " branch " optoelectronic switch, " divide and detect " relay, working power are connected and are formed the loop; First " divide and detect " auxiliary relay, first " divides and orders " impulse contact, first auxiliary switch contact, first " branch position " fault alarm bell, working power series connection to form the loop; Second " divide and detect " auxiliary relay, second " divides and orders " impulse contact, second auxiliary switch contact, second " branch position " fault alarm bell, working power series connection to form the loop; Described first " divide and detect ", auxiliary relay was a normally closed contact, second " divide and detect ", auxiliary relay was a normal opened contact, and " divide and detect " relay is controlled first " divide and detect " auxiliary relay, second and " divided and detect " auxiliary relay to carry out the state change; After the impulse contact closure that first " divide order " impulse contact, second " divides order " through disconnecting after the predetermined time-delay; First auxiliary switch contact is controlled by isolating switch, connects when the moving contact of isolating switch is opened, and disconnects when moving contact is closed, and second auxiliary switch contact is controlled by isolating switch, disconnects when the moving contact of isolating switch is opened, and connects when moving contact is closed;
Corresponding with moving contact " closing " optoelectronic switch, " closing detection " relay, working power are connected and are formed the loop; First " closing detection " auxiliary relay, first " closes order " impulse contact, the 3rd auxiliary switch contact, first " close the position " fault alarm bell, working power series connection form the loop; Second " closing detection " auxiliary relay, second " closes order " impulse contact, the 4th auxiliary switch contact, second " close the position " fault alarm bell, working power series connection form the loop; Described first " closing detection " auxiliary relay is a normally closed contact, second " closing detection " auxiliary relay is a normal opened contact, and " closing detection " relay control first " closing detection " auxiliary relay, second " closes detection ", and auxiliary relay carries out the state change; After first " closing order " impulse contact, second " closing order " impulse contact closure through disconnecting after the predetermined time-delay; The 3rd auxiliary switch contact is controlled by isolating switch, connects when the moving contact of isolating switch is closed, disconnects when moving contact is opened, and the 4th auxiliary switch contact is controlled by isolating switch, disconnects when the moving contact of isolating switch is closed, connects when moving contact is opened.
As preferably, described optoelectronic switch is equipped with cover body outward, and described cover body links to each other with drive circuit; Be equipped with around the described reflecting plate and protect the edge.
As preferably, camera also is installed in the described cover body, described camera links to each other with computer by transmission equipment.
Beneficial effect of the present invention is as follows:
This device is by the position probing to primary side (high-pressure side), utilize the signal of the original auxiliary switch of isolating switch simultaneously, two testing results are carried out logic determines, " close " state with " branch " of determining moving contact, have the effects equivalent of actual observation at the scene, improved the operation of equipment reliability of operation greatly as the operator on duty.Thereby solved because isolating switch adopts the backstage straighforward operation, realized unattended and problem that actual act can't the field observation plug-in strip is brought.At the particularity of the moving contact motion mode of horizontal movement type isolating switch, reflecting plate of the present invention carries out accurate Calculation on angle, no matter be to adopt bireflectance plate or single reflecting plate, can both guarantee that this device to the detection of moving contact position accurately and reliably.The present invention utilizes photoelectric technology to realize the position of isolating switch high-voltage contact is carried out the detection of real-time online, has safety, characteristics reliable, that accurately implement.
Description of drawings
Fig. 1 is the schematic diagram that is electrically connected of the embodiment of the invention " branch " optoelectronic switch and " divide and detect " relay;
Fig. 2 is the schematic diagram that is electrically connected that the embodiment of the invention " branch " optoelectronic switch is judged warning circuit;
Fig. 3 is the schematic diagram that is electrically connected that the auxiliary switch contact opening action of the isolating switch of the embodiment of the invention is judged warning circuit;
Fig. 4 is the schematic diagram that is electrically connected that the embodiment of the invention " is closed " optoelectronic switch and " closing detection " relay;
Fig. 5 is that the embodiment of the invention " is closed " schematic diagram that is electrically connected that optoelectronic switch is judged warning circuit;
Fig. 6 is that the auxiliary switch contact closed action of the isolating switch of the embodiment of the invention judges that warning circuit is electrically connected schematic diagram;
Fig. 7 is the structural representation of one embodiment of the present of invention;
Fig. 8 is the structural representation of another embodiment of the present invention;
Among the figure, the 1st, moving contact, the 2nd, optoelectronic switch, the 3rd, reflecting plate, the 4th, " branch " optoelectronic switch, the 5th, " closing " optoelectronic switch, the 6th, " divide and detect " reflecting plate, the 7th, " closing detection " reflecting plate, the 8th, fixed contact, the 9th, " divide and detect " relay, the 10th, " closing detection " relay, fzj1 first " divides and detects " auxiliary relay, and fzj2 second " divides and detects " auxiliary relay, fha1 is first " dividing order " impulse contact, fha2 is second " dividing order " impulse contact, and 2gl2 is first auxiliary switch contact, and 2gl1 is second auxiliary switch contact, fjl1 first " branch position " fault alarm bell, fjl2 second " branch position " fault alarm bell, hzj1 first " closes detection " auxiliary relay, hzj2 second " closes detection " auxiliary relay, hha1 is first " closing order " impulse contact, hha2 is second " closing order " impulse contact, and 1gl1 is the 3rd auxiliary switch contact, and 1gl2 is the 4th auxiliary switch contact, hjl1 first " closes the position " fault alarm bell, hjl2 second " closes the position " fault alarm bell.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further elaborated:
The objective of the invention is in high-tension substation operation, after order to the straighforward operation high voltage isolator is sent on the backstage, except the actuating signal of the auxiliary switch that obtains operating mechanism, corresponding sensor device is installed on the contact of high-pressure side, determine that whether the disconnecting link contact is really at " branch ", " closing " state, to guarantee the safe operation of the normal grid switching operation of electric substation.Reduce artificial workload simultaneously, avoid and to have improved operating efficiency greatly to the red tape of the inspection of the scene of a crime.Because the moving contact 1 of isolating switch is in high-voltage state, usually can't use conventional method of measurement to detect its stroke distances, and the change in displacement of use photoelectricity, break-make by optoelectronic switch (as model the be advisable OS80 of Tianjin Electronics Co., Ltd. of section, 90-RP28VP60 or other laser class optoelectronic switch) is measured, maximum electrical distance can reach 25 meters, can satisfy the measurement requirement of 35KV～500KV electric pressure isolation switch contact.
The present invention relates to a kind of moving contact horizontal movement type high voltage isolator of moving contact position probing, comprise moving contact 1, bearing, also comprise optoelectronic switch 2, optical polariser reflecting plate (hereinafter to be referred as reflecting plate) 3, auxiliary switch, described reflecting plate 3 is installed on the moving contact 1, and optoelectronic switch 2 is installed on the bearing.Auxiliary switch is used to operate opening and closure of moving contact 1, can be the operating mechanism of electronic or hydraulic pressure.If specific (special) requirements is arranged, also can use support to be installed on other position separately optoelectronic switch 2, for example the angle of reflecting plate 3 is too special, can be equipped with support separately, is used to install optoelectronic switch 2, cooperates the setting angle of reflecting plate 3.
Described reflecting surface can be the light polarization minute surface, also can be reflective water chestnut minute surface.
The reflecting surface setting angle of described reflecting plate 3 is: described reflecting surface is towards optoelectronic switch 2.
Described optoelectronic switch 2 is installed on the bearing perpendicular to the rectilinear direction of reflecting plate 3.
Described optoelectronic switch 2 comprises " branch " optoelectronic switch 4, " closing " optoelectronic switch 5.
The position that " branch " optoelectronic switch 4 is installed is: on the bearing when moving contact 1 is opened, perpendicular to the rectilinear direction of reflecting plate 3." closing " position that optoelectronic switch 5 installs is: on the bearing when moving contact 1 is closed, perpendicular to the rectilinear direction of reflecting plate 3.
Usually optoelectronic switch 2 is installed on the support beam of isolating switch, sensitization reflecting plate 3 is installed on the below of moving contact 1 blade of isolating switch, the reflecting surface of reflecting plate 3 is towards the direction of optoelectronic switch 2, and the installation site is general near the joint portion of moving contact 1 with fixed contact 8 (or moving contact 1).Regulate optoelectronic switch 2, make its light emission angle vertical with reflecting plate 3.During debugging, when combined floodgate put in place, the light of optoelectronic switch 2 emissions of responsible " closing " position was via reflecting plate 3 back light electric switches 2, and the normally opened contact closure of optoelectronic switch 2 shows that promptly the disconnecting link contact combined floodgate of this phase puts in place.When gate-dividing state, the light of optoelectronic switch 2 emissions of responsible " branch " position is via reflecting plate 3 back light electric switches 2, and the normally opened contact closure of optoelectronic switch 2 shows that promptly the disconnecting link contact separating brake of this phase puts in place.
Described reflecting plate 3 can also be divided into " closing detection " reflecting plate 7, " divide and detect " reflecting plate 6, is respectively applied for moving contact 1 closure and detects with open position.As particular case, as what moving contact 1 closure and open position were detected usefulness is same block of plate, and wherein when the moving contact 1 closed optoelectronic switch 2 corresponding with open position is inconvenient to be installed on the bearing, can adopt this technical scheme, a convenient position that optoelectronic switch 2 is installed is set in addition.
One side of described moving contact 1 each termination is all installed at least more than one reflecting plate 3.Promptly described " closing detection " reflecting plate 7, " divide and detect " reflecting plate 6 can be more than one.A plurality of reflecting plates 3 are installed, and the optoelectronic switch 2 that is mated use is installed, can prevent effectively that wherein a cover optoelectronic switch 2 breaks down with reflecting plate 3, and makeing mistakes of whole detection device occur.
The moving contact 1 of described isolating switch at least one mutually more than;
Connect and form the loop with moving contact 1 corresponding " branch " optoelectronic switch 4, " divide and detect " relay 9 (as the DZ-15/110V of relay factory, Shanghai), working power, as shown in Figure 1.When the moving contact 1 of isolating switch is opened when putting in place, " branch " optoelectronic switch 4 is connected, and starts " divide and detect " relay 9.First " divide and detect " auxiliary relay fzj1, first " divides and orders " impulse contact fha1, the first auxiliary switch contact 2gl2, first " branch position " fault alarm bell fjl1, working power series connection to form the loop.Described circuit be used for judging when the isolating switch auxiliary switch contact normal, and " branch " optoelectronic switch 4 is opened situation not in place.Second " divide and detect " auxiliary relay fzj2, second " divides and orders " impulse contact fha2, the second auxiliary switch contact 2gl1, second " branch position " fault alarm bell fjl2, working power series connection to form the loop.Described circuit be used for judging when the work of isolating switch auxiliary switch undesired, and the normal situation of " branch " optoelectronic switch 4 opening actions.
Described first " divide and detect ", auxiliary relay fzj1 was a normally closed contact, second " divide and detect ", auxiliary relay fzj2 was a normal opened contact, and " divide and detect " relay 9 is controlled first " divide and detect " auxiliary relay fzj1, second and " divided and detect " auxiliary relay fzj2 to carry out the state change; After the impulse contact fha2 closure that first " divide order " impulse contact fha1, second " divides order " through disconnecting after the predetermined time-delay; The first auxiliary switch contact 2gl2 is controlled by isolating switch, connect when the moving contact 1 of isolating switch is opened, disconnect during moving contact 1 closure, the second auxiliary switch contact 2gl1 is controlled by isolating switch, when the moving contact 1 of isolating switch is opened, disconnect, connect during moving contact 1 closure.
Circuit as shown in Figure 2, working properly for isolating switch, and the abnormal situation of " branch " optoelectronic switch 4 work judges that the operation principle of warning circuit is as follows:
After isolating switch was sent the separating brake order, first " dividing order " impulse contact fha1, second " divides order ", and impulse contact fha2 was closed respectively.The first auxiliary switch contact 2gl2 of isolating switch is in on-state during separating brake, and the coil of " divide detect " relay 9 of separating brake position probing does not move preposition because of the disconnecting link of isolating switch, thereby make on the corresponding disconnecting link " branch " optoelectronic switch 4 access failures and make " divide and detect " relay 9 be failure to actuate, first " divide and detect ", auxiliary relay fzj1 kept normally off, series loop is connected, and first " branch position " fault alarm bell fjl1 reports to the police.
If the disconnecting link of isolating switch moves preposition, " branch " optoelectronic switch 4 is connected, start " divide and detect " relay 9, make " divide and detect " the auxiliary relay fzj1 that wins change normally off, be in off-state, series loop disconnects, and first " branch position " fault alarm bell fjl1 does not report to the police.
Circuit as shown in Figure 3, undesired for isolating switch work, and " branch " optoelectronic switch 4 situation working properly judges that the operation principle of warning circuit is as follows:
The abnormal situation of the auxiliary switch contact of isolating switch is meant that after the separating brake order is sent first " dividing order " impulse contact fha1, second " divides order ", and impulse contact fha2 is closed respectively.Operating mechanism drives isolating switch moving contact 1 and rotates, the second auxiliary switch contact 2gl1 is correspondingly action not, position when still resting on original combined floodgate is in on-state, and the disconnecting link of isolating switch is opened to preposition at this moment, " branch " optoelectronic switch 4 is connected, start " divide and detect " relay 9, the second and " divide and detect " auxiliary relay fzj2 to change normally open, be in closure state, series loop is connected, and second " branch position " fault alarm bell fjl2 reports to the police.
If the auxiliary switch contact of isolating switch is working properly, the second auxiliary switch contact 2g11 disconnects, " branch " optoelectronic switch 4 is connected, start " divide and detect " relay 9, second " divide and detect ", auxiliary relay fzj2 changed normally open, was in closure state, but because second auxiliary switch contact (2gl1) disconnection, series loop disconnects, and second " branch position " fault alarm bell fjl2 does not report to the police.
Connecting with moving contact 1 corresponding " closing " optoelectronic switch 5, " closing detection " relay 10, working power forms the loop, as shown in Figure 4.When the moving contact 1 of isolating switch is opened when putting in place, " closing " optoelectronic switch 5 is connected, and starts " divide and detect " relay 10.First " closing detection " auxiliary relay hzj1, first " closes order " impulse contact hha1, the 3rd auxiliary switch contact 1gl1, first " closing the position " fault alarm bell hjl1, working power series connection form the loop.Described circuit be used for judging when the isolating switch auxiliary switch contact normal, and " closing " optoelectronic switch 5 closed situations not in place.Second " closing detection " auxiliary relay hzj2, second " closes order " impulse contact hha2, the 4th auxiliary switch contact 1gl2, second " closing the position " fault alarm bell hjl2, working power series connection form the loop.Described circuit be used for judging when the work of isolating switch auxiliary switch contact undesired, and the situation that " closing " optoelectronic switch 5 closed action put in place.
Described first " closing detection " auxiliary relay hzj1 is a normally closed contact, second " closing detection " auxiliary relay hzj2 is a normal opened contact, and " closing detection " relay 10 control first " closing detection " auxiliary relay hzj1, second " close detection ", and auxiliary relay hzj2 carries out the state change; After first " closing order " impulse contact hha1, second " closing order " impulse contact hha2 closure through disconnecting after the predetermined time-delay; The 3rd auxiliary switch contact 1gl1 is controlled by isolating switch, connect when the moving contact 1 of isolating switch is closed, disconnect when moving contact 1 is opened, the 4th auxiliary switch contact 1gl2 is controlled by isolating switch, when the moving contact 1 of isolating switch is closed, disconnect, connect when moving contact 1 is opened.
Circuit as shown in Figure 5, working properly for the auxiliary contact of isolating switch, and the abnormal situation of " closing " optoelectronic switch 5 work judges that the operation principle of warning circuit is as follows:
After isolating switch being sent the order of closing a floodgate, first " closing order " impulse contact hha1, second " closing order " impulse contact hha2 are closed respectively.The 3rd auxiliary switch contact 1gl1 of isolating switch is in on-state during combined floodgate, and the coil of " closing detection " relay 10 that closing position detects does not move preposition because of the disconnecting link of isolating switch, thereby make on the corresponding disconnecting link " closing " optoelectronic switch 5 access failures and make " closing detection " relay 10 be failure to actuate, first " closing detection " auxiliary relay hzj1 keeps normally off, series loop is connected, and first " closing the position " fault alarm bell hjl1 reports to the police.
If the disconnecting link of isolating switch moves preposition, " closing " optoelectronic switch 5 connects, start " closing detection " relay 10, make " closing detection " the auxiliary relay hzj1 that wins change normally off, be in off-state, series loop disconnects, and first " closing the position " fault alarm bell hjl1 does not report to the police.
Circuit as shown in Figure 6, undesired for the auxiliary contact work of isolating switch, and " closing " optoelectronic switch 5 situation working properly judges that the operation principle of warning circuit is as follows:
The abnormal situation of the auxiliary switch contact of isolating switch is meant that after the order of closing a floodgate was sent, first " closing order " impulse contact hha1, second " closing order " impulse contact hha2 were closed respectively.Operating mechanism drives isolating switch moving contact 1 and rotates, the 4th auxiliary switch contact 1gl2 is correspondingly action not, position when still resting on original separating brake is in on-state, and the disconnecting link of isolating switch is closed into preposition at this moment, " closing " optoelectronic switch 5 connects, startup " closing detection " relay 10, the second " closes detection ", and auxiliary relay hzj2 changes normally open, is in closure state, series loop is connected, and second " closing the position " fault alarm bell hjl2 reports to the police.
If the auxiliary switch contact of isolating switch is working properly, the 4th auxiliary switch contact 1gl2 disconnects, " closing " optoelectronic switch 5 connects, start " closing detection " relay 10, second " closing detection " auxiliary relay hzj2 changes normally open, is in closure state, but because the 4th auxiliary switch contact 1gl2 disconnection, series loop disconnects, and second " closing the position " fault alarm bell hjl2 does not report to the police.
Isolating switch " branch " " closes " state and auxiliary switch contact corresponding relation, and is as shown in the table:
1, the corresponding situation of " separating brake " state
2, the corresponding situation of " combined floodgate " state
Outside the described optoelectronic switch 2 cover body is installed, described cover body links to each other with drive circuit; Be equipped with around the described reflecting plate 3 and protect the edge.
The cover body at optoelectronic switch 2 places can prevent destruction and the performance impact of external condition to optoelectronic switch 2.Cover body energy overdrive circuit is controlled it and is opened or closed, and when needs work, remote signal is sent on the backstage, by drive circuit cover body is opened, and begins to carry out testing; After finishing detection, remote signal is sent on the backstage, by drive circuit cover body is closed, and testing finishes.
Be equipped with to protect around the described reflecting plate 3 and continue to use in preventing the destruction and the performance impact of external condition to reflecting plate 3, for example dust, sleet.
Camera also is installed in the described cover body, and described camera links to each other with computer by transmission equipment.Camera is delivered to the computer of control centre with image, carries out the identification of image and the memory retrieval of state by the image processing software on the computer, with the moving contact 1 of the judging isolating switch situation at the image state of " branch ", " closing ".Described camera can adopt night vision cam, can obtain more superior effect.
Horizontal motion type isolating switch be moving contact 1 open with closed motion process in, the motion of moving contact 1 is moved in horizontal direction, moving contact 1 is in open position and make position, it is consistent with the angle of bearing.So, isolating switch for the horizontal motion type, described reflecting plate 3 can be that same reflecting plate 3 is respectively applied for and detects with open position moving contact 1 is closed, also can be to be divided into " closing detections " reflecting plate 7,6 two kinds of different reflecting plates 3 of dividing the work of " divide and detect " reflecting plate.Because the motion of its moving contact 1 is moved in horizontal direction, moving contact 1 is in open position and make position, with the angle of bearing is consistent, thereby reflecting plate 3 can not occur and open when closed at moving contact 1, exceeded optoelectronic switch 2 installable angular range on bearing with the angle of bearing.
In the embodiments of the invention, what described optoelectronic switch 2 adopted is reflection template optoelectronic switch, comprises light polarization type optoelectronic switch, direct reflection type optoelectronic switch.Reflection template optoelectronic switch in use, the surface of object to be detected must be perpendicular to the emission light of optoelectronic switch 2, and optoelectronic switch 2 is installed on the bearing, therefore just determined the setting angle of reflecting plate 3, be that installation site with reflecting plate 3 is the summit, the point of the extreme value of the position range of installation optoelectronic switch 2 and the straight line that the summit is linked to be are the limit, the angle at the angle that is constituted.
As preferred embodiment, in horizontal horizontal motion type, the setting angle of reflecting plate 3 is for being positive and negative 20 degree with horizontal direction, and optoelectronic switch 2 is installed on the bearing, and its emission light is vertical with reflecting plate 3.
Embodiment 1: twin shaft rotation isolating switch
As shown in Figure 7, in the present embodiment, twin shaft rotation isolating switch belongs to horizontal motion type isolating switch, and every phase disconnecting link of isolating switch has two moving contacts 1.And two moving contacts 1 are docking together when closure; When opening, two moving contact 1 different directions rotations of along continuous straight runs respectively.A reflecting plate 3 respectively is installed below each moving contact 1, and reflecting surface is towards bearing, and the setting angle of reflecting plate 3 and horizontal direction are 0 degree, and promptly reflecting plate 3 is level angle.On the bearing when moving contact 1 is closed, on the rectilinear direction vertical, " closing " optoelectronic switch 5 is installed, and the setting angle of " closing " optoelectronic switch 5 is that the direction of light emission is vertical with reflecting plate 3 with reflecting plate 3.On the bearing when moving contact 1 is opened, on the rectilinear direction vertical, " branch " optoelectronic switch 4 is installed, and the setting angle of " branch " optoelectronic switch 4 is that the direction of light emission is vertical with reflecting plate 3 with reflecting plate 3.
In the present embodiment, described isolating switch has the three-phase plug-in strip.Connect and form the loop with " branch detection " relay 9, working power with moving contact 1 corresponding totally 6 " branch " optoelectronic switches 4 of plug-in strip.First " divide and detect " auxiliary relay fzj1, first " divides and orders " impulse contact fha1, the first auxiliary switch contact 2gl2, first " branch position " fault alarm bell fjl1, working power series connection to form the loop.Second " divide and detect " auxiliary relay fzj2, second " divides and orders " impulse contact fha2, the second auxiliary switch contact 2gl1, second " branch position " fault alarm bell fjl2, working power series connection to form the loop.Connect with " closing detection " relay 10, working power with corresponding totally 6 " closing " optoelectronic switches 5 of the moving contact 1 of plug-in strip and to form the loop.First " closing detection " auxiliary relay hzj1, first " closes order " impulse contact hha1, the 3rd auxiliary switch contact 1gl1, first " closing the position " fault alarm bell hjl1, working power series connection form the loop; Second " closing detection " auxiliary relay hzj2, second " closes order " impulse contact hha2, the 4th auxiliary switch contact 1gl2, second " closing the position " fault alarm bell hjl2, working power series connection form the loop.Described first " dividing order " impulse contact fha1, second " divides order " impulse contact fha2, first " closes order " impulse contact hha1, second " to close order ", and impulse contact hha2 all is automatic disconnections again in closed 1-5 minute earlier.
For the stroke detection that makes this device is moved accurately and reliably, magnet proximity switch is installed, totally 6 on the axle connecting rod of described moving contact 1.On the position of axle connecting rod stroke two ends correspondence, permanent magnet is installed.The motion of moving contact 1 drives an axle connecting rod, and the axle connecting rod being opened or when closed, also moving along with the motion of moving contact 1 moving contact 1.On the axle connecting rod of moving contact 1, magnet proximity switch is installed, on the position of its stroke two ends correspondence permanent magnet is installed, be used for judging the motion conditions of moving contact 1 at secondary side (low-pressure side).
Described isolating switch also comprises switching value logic judgment module, the communication module that links to each other with switching value logic determines device; Described switching value logic judgment module links to each other with the output of optoelectronic switch 2 series circuits, magnet proximity switch series circuit respectively, be used for the signal of optoelectronic switch 2 series circuits, the output of magnet proximity switch series circuit is carried out logic determines, after each switching value of gathering carried out logic determines, if for consistent then send " closing " lock signal or " branch " lock signal to the upper level system, if the testing result of optoelectronic switch 2 and the testing result of magnet proximity switch are inconsistent, then send alarm signal, to notify administrative staff to check or to overhaul.Described communication module is used to send described logic determines result.
In the present embodiment, described communication module adopts is that wired, wireless network carries out the transmission of information.
Outside the described optoelectronic switch 2 cover body is installed, described cover body links to each other with drive circuit; Be equipped with around the described reflecting plate 3 and protect the edge.Cover body one end in the present embodiment has bearing, and bearing links to each other with the drive motors of drive circuit, and the backstage is by the wired remote control drive circuit, and the controlling and driving motor action drives bearing, opens or closes cover body.Protecting of described reflecting plate 3 continued to use in preventing destruction and the performance impact of external condition to reflecting plate 3, for example dust, sleet.The width that protects the edge of reflecting plate 3 is generally in 2 centimetres, in this enforcement, has adopted 2 centimetres.Can certainly select other sizes of being wider than 2 centimetres for use according to actual conditions.
Camera also is installed in the described cover body, and described camera links to each other with computer by transmission equipment.
Embodiment 2: single axle rotation type isolating switch
As shown in Figure 8, in the present embodiment, single axle rotation type isolating switch belongs to horizontal motion type isolating switch, and every phase disconnecting link of isolating switch has two moving contacts 1.And two moving contacts 1 are when closure, and corresponding with it respectively fixed contact 8 contacts; When opening, two moving contact 1 same direction rotations of along continuous straight runs respectively.Two reflecting plates 3 respectively are being installed below each moving contact 1 below each moving contact 1, are being respectively " divide and detect " reflecting plate 6, " closing detection " reflecting plate 7, its reflecting surface is all towards bearing, and the setting angle of reflecting plate 3 and horizontal direction are 10 degree.On the bearing when moving contact 1 is closed, on the rectilinear direction vertical with " closing detection " reflecting plate 7, " closing " optoelectronic switch 5 is installed, and the setting angle that " closes " optoelectronic switch 5 is that the direction of light emission is vertical with " closing detection " reflecting plate 7, promptly launches light and horizontal direction and is 10 degree.On the bearing when moving contact 1 is opened, on the rectilinear direction vertical with " divide detect " reflecting plate 6, " branch " optoelectronic switch 4 is installed, and the setting angle of " branch " optoelectronic switch 4 is that the direction of light emission is vertical with " divide and detect " reflecting plate 6, promptly launches light and horizontal direction and is 10 degree.
Remainder is identical with embodiment 1.
Whether be same reflecting plate 3 regardless of " divide and detect " reflecting plate 6, " closing detection " reflecting plate 7 in theory, as long as when moving contact 1 is opened or is closed, can find the point of an installation optoelectronic switch 2 on the bearing on the rectilinear direction vertical with the reflecting surface of reflecting plate 3, technical scheme of the present invention can be accomplished.
Above-described only is preferred implementation of the present invention; should be pointed out that the those of ordinary skill in the art, under the prerequisite that does not break away from core technology feature of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the moving contact horizontal movement type high voltage isolator of a moving contact position probing, comprise moving contact (1), bearing, auxiliary switch, it is characterized in that, also comprise optoelectronic switch (2), optical polariser reflecting plate (3), described optical polariser reflecting plate (3) is installed on the moving contact (1), and optoelectronic switch (2) is installed on the bearing.
2. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 1, it is characterized in that the reflecting surface setting angle of described optical polariser reflecting plate (3) is: described reflecting surface is towards optoelectronic switch (2).
3. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 2 is characterized in that, described optoelectronic switch (2) is installed on the bearing perpendicular to the rectilinear direction of optical polariser reflecting plate (3).
4. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 3 is characterized in that described optoelectronic switch (2) comprises " branch " optoelectronic switch (4), " closing " optoelectronic switch (5).
5. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 4, it is characterized in that the position that " branch " optoelectronic switch (4) is installed is: on moving contact (1) when opening, the bearing perpendicular to the rectilinear direction of optical polariser reflecting plate (3); " closing " position that optoelectronic switch (5) installs is: on the bearing when moving contact (1) is closed, perpendicular to the rectilinear direction of optical polariser reflecting plate (3).
6. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 5, it is characterized in that, described optical polariser reflecting plate (3) can also be divided into " divide and detect " reflecting plate (6), " closing detection " reflecting plate (6), is respectively applied for moving contact (1) closure and detects with open position.
7. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 6, it is characterized in that, one side of each termination of described moving contact (1) is all installed at least more than one optical polariser reflecting plate (3), and at least more than one and the corresponding optoelectronic switch in described optical polariser reflecting plate (3) position (2) are installed on the bearing.
8. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 7 is characterized in that, the moving contact of described isolating switch (1) at least one mutually more than;
Connect and form the loop with moving contact (1) corresponding " branch " optoelectronic switch (4), " divide and detect " relay (9), working power; First " divide and detect " auxiliary relay (fzj), first " divides and orders " impulse contact (fha1), first auxiliary switch contact (2gl2), first " branch position " fault alarm bell (fjl1), working power series connection to form the loop; Second " divide and detect " auxiliary relay (fzj2), second " divides and orders " impulse contact (fha2), second auxiliary switch contact (2gl1), second " branch position " fault alarm bell (fjl2), working power series connection to form the loop; Described first " divide and detect ", auxiliary relay (fzj1) was a normally closed contact, second " divide and detect ", auxiliary relay (fzj2) was a normal opened contact, and " divide and detect " relay (9) is controlled first " divide and detect " auxiliary relay (fzj1), second and " divided and detect " auxiliary relay (fzj2) to carry out the state change; After impulse contact (fha2) closure that first " divide order " impulse contact (fha1), second " divides order " through disconnecting after the predetermined time-delay; First auxiliary switch contact (2gl2) is controlled by isolating switch, when the moving contact (1) of isolating switch is connected when opening, disconnect when moving contact (1) is closed, second auxiliary switch contact (2gl1) is controlled by isolating switch, when the moving contact (1) of isolating switch disconnects when opening, connect when moving contact (1) is closed;
Connect with moving contact (1) corresponding " closing " optoelectronic switch (5), " closing detection " relay (10), working power and to form the loop; First " closing detection " auxiliary relay (hzj1), first " closing order " impulse contact (hha1), the 3rd auxiliary switch contact (1gl1), first " closing the position " fault alarm bell (hjl1), working power series connection form the loop; Second " closing detection " auxiliary relay (hzj2), second " closing order " impulse contact (hha2), the 4th auxiliary switch contact (1gl2), second " closing the position " fault alarm bell (hjl2), working power series connection form the loop; Described first " closing detection " auxiliary relay (hzj1) is a normally closed contact, second " closing detection " auxiliary relay (hzj2) is a normal opened contact, and " closing detection " relay (10) control first " closing detection " auxiliary relay (hzj1), second " closing detection " auxiliary relay (hzj2) carry out state and change; After first " closing order " impulse contact (hha1), second " closing order " impulse contact (hha2) closure through disconnecting after the predetermined time-delay; The 3rd auxiliary switch contact (1gl1) is controlled by isolating switch, when the moving contact (1) of isolating switch is closed, connect, moving contact (1) disconnects when opening, the 4th auxiliary switch contact (1gl2) is controlled by isolating switch, disconnect when the moving contact (1) of isolating switch is closed, moving contact (1) is connected when opening.
9. according to the moving contact horizontal movement type high voltage isolator of claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described moving contact position probing, it is characterized in that described optoelectronic switch (2) is outer to be equipped with cover body, described cover body links to each other with drive circuit; Described optical polariser reflecting plate (3) is equipped with all around and protects the edge.
10. the moving contact horizontal movement type high voltage isolator of moving contact position probing according to claim 9 is characterized in that camera also is installed in the described cover body, and described camera links to each other with computer by transmission equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101674281A CN102254728B (en) | 2011-06-20 | 2011-06-20 | Dynamic contact horizontal movement type high-voltage isolation switch allowing for detection of position of dynamic contact |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101674281A CN102254728B (en) | 2011-06-20 | 2011-06-20 | Dynamic contact horizontal movement type high-voltage isolation switch allowing for detection of position of dynamic contact |
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| CN102254728A true CN102254728A (en) | 2011-11-23 |
| CN102254728B CN102254728B (en) | 2013-12-04 |
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| CN2011101674281A Expired - Fee Related CN102254728B (en) | 2011-06-20 | 2011-06-20 | Dynamic contact horizontal movement type high-voltage isolation switch allowing for detection of position of dynamic contact |
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| CN106705895A (en) * | 2017-02-10 | 2017-05-24 | 云南电网有限责任公司电力科学研究院 | High-voltage isolator principal axis corner detection device |
| CN107546058A (en) * | 2016-10-19 | 2018-01-05 | 河南众联云科工程技术有限公司 | Close protective separation switch |
| CN111563335A (en) * | 2020-07-01 | 2020-08-21 | 国网江西省电力有限公司电力科学研究院 | Laser radar-based high-voltage isolating switch closing state detection method |
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| JP4284313B2 (en) * | 2005-11-30 | 2009-06-24 | 株式会社東芝 | Separation take-out device |
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| JPH04284313A (en) * | 1991-03-13 | 1992-10-08 | Fuji Electric Co Ltd | Auxiliary switch for switching apparatus |
| CN101629833A (en) * | 2009-08-07 | 2010-01-20 | 河南省电力公司南阳供电公司 | Detection device for disconnecting link opening and closing in place |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107546058A (en) * | 2016-10-19 | 2018-01-05 | 河南众联云科工程技术有限公司 | Close protective separation switch |
| CN106705895A (en) * | 2017-02-10 | 2017-05-24 | 云南电网有限责任公司电力科学研究院 | High-voltage isolator principal axis corner detection device |
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| CN111563335A (en) * | 2020-07-01 | 2020-08-21 | 国网江西省电力有限公司电力科学研究院 | Laser radar-based high-voltage isolating switch closing state detection method |
| CN111563335B (en) * | 2020-07-01 | 2020-12-15 | 国网江西省电力有限公司电力科学研究院 | Laser radar-based high-voltage isolating switch closing state detection method |
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| CN102254728B (en) | 2013-12-04 |
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Effective date of registration: 20201106 Address after: 226600 Machinery Factory of Xinnan commune, Hai'an County, Nantong City, Jiangsu Province Patentee after: JIANGSU MINGYU PETROCHEMICAL MACHINERY Co.,Ltd. Address before: 655, West Lake home, Xixi Road, Hangzhou, Zhejiang, Xihu District 310000, 1-3-601 Patentee before: Zhang Jinglun |
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