CN109244848A - High-voltage switch gear manual locking device - Google Patents
High-voltage switch gear manual locking device Download PDFInfo
- Publication number
- CN109244848A CN109244848A CN201811305506.8A CN201811305506A CN109244848A CN 109244848 A CN109244848 A CN 109244848A CN 201811305506 A CN201811305506 A CN 201811305506A CN 109244848 A CN109244848 A CN 109244848A
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- transmission shaft
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- 238000005286 illumination Methods 0.000 claims abstract description 23
- 230000001012 protector Effects 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000005065 mining Methods 0.000 claims abstract description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 50
- 238000002955 isolation Methods 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 23
- 238000004880 explosion Methods 0.000 description 21
- 230000006870 function Effects 0.000 description 15
- 230000033001 locomotion Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
-
- 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
Abstract
The present invention relates to mine explosion-suppression vacuum distribution equipment, specially a kind of high-voltage switch gear manual locking device.A kind of high-voltage switch gear manual locking device; including PJG9L-/10 mining explosion-proof type permanent magnetic high-voltage vacuum distribution equipments, which includes DSI-5711 intelligent type comprehensive protector, control transformer T, liquid crystal display ZX, essential safe type control relay ibk；A normal open switch is serially connected between the end A5 of DSI-5711 intelligent type comprehensive protector and one end of monitoring key, the other end of monitoring key is connected with the end A10 of DSI-5711 intelligent type comprehensive protector；A normally closed switch is serially connected on the earth-return circuit at the end A6 of ibk；A normally closed switch is serially connected on the earth-return circuit at the end A7 of ibk；One normal open switch and two normally closed switch pass through illumination/latch switch SB5 control and realize linkage.
Description
Technical field
The present invention relates to mine explosion-suppression vacuum distribution equipment, specially a kind of high-voltage switch gear manual locking device.
Background technique
The mining explosion-proof type permanent magnetic of PJG9L-/10 high-voltage vacuum distribution equipment (such as attached drawing 1) is mainly used for coal dust and quick-fried
The underground coal mine of fried property gas and hazardous area have the function of that electricity conjunction, electricity point, hand closes, hand divides, and is provided simultaneously with remote point, makes distribution
Device splitting or integrating is more reliable, and protection, measurement, monitoring, control, communication function are complete.Defencive function is complete, and sensitive reliable, protection is fixed
Value on-line continuous is adjustable: having short-circuit (three-stage), overload (three-stage), selectivity ground connection (electric leakage), monitoring, under-voltage, over-voltage
Protection.Circuit breaker trip, short-circuit protection, monitoring protection, earth leakage protective test can be carried out online.It is provided with the intrinsic safety type of isolation
RS485 serial communication interface supports " four is distant " function, and upload information is abundant, conveniently accessible underground electric network complex automatic system
The features such as.
Although the model height issues more advanced technology, it is found during use and maintenance also and is had
Design defect and deficiency, need us to go actively to improve.Such as: high-pressure vacuum breaker is refused to close, and dynamic circuit connector lock is normal；Vacuum is disconnected
Road device is electronic, equal tripping manually；Higher level's power cut-off, breaker are unable to automatic brake separating；Breaker transmission shaft with transmission shaft is isolated
It is closer and pattern is similar, operated using same combined floodgate casing handle.
Though still occurring in actual application to sum up, the equipment has relatively advanced technical characteristic
Maloperation phenomenon, therefore there is an urgent need to develop a kind of electric secondary misoperation-proof locking device, prevent accident caused by maloperation.
Summary of the invention
The present invention is to solve current high-voltage vacuum power distribution equipment for mining to have remote control divide-shut brake and nearly control breaking-closing operating letter
Number without locking, remote closely control when controlling separating brake can close a floodgate easily, it is close control far to control after separating brake can also close a floodgate easily, be easy to make in maintenance
The technical issues of at personnel's electric shock accidents, provides a kind of high-voltage switch gear manual locking device.
Realization that the present invention adopts the following technical solutions: a kind of high-voltage switch gear manual locking device, including PJG9L-/10
Mining explosion-proof type permanent magnetic high-voltage vacuum distribution equipment, the device internal circuit include DSI-5711 intelligent type comprehensive protector, control
Transformer T processed, liquid crystal display ZX, essential safe type control relay ibk；The end A6 of ibk is grounded by interlocking switch SW2, ibk
The end A7 ground connection；The one end for controlling the level-one coil of transformer T is connected with the C9 of DSI-5711 intelligent type comprehensive protector, controls
The other end of the level-one coil of transformer T processed is connected with the C10 of DSI-5711 intelligent type comprehensive protector；Control transformer T
Level-one coil two terminals between be serially connected with illumination/latch switch SB5 and lighting lamp ZM；DSI-5711 is intelligent comprehensive
It closes and is serially connected with a normal open switch, the other end and DSI- of monitoring key between the end A5 of protector and one end of monitoring key
The end A10 of 5711 intelligent type comprehensive protectors is connected；A normally closed switch is serially connected on the earth-return circuit at the end A6 of ibk；ibk
The end A7 earth-return circuit on be serially connected with a normally closed switch；One normal open switch and two normally closed switch pass through photograph
Linkage is realized in bright/latch switch SB5 control.
As shown in Fig. 10, electric part is latched, and is transformed by internal circuit, and function is realized: when the height opens power transmission shape
State presses illumination/latch buttons SB5, and the height internal headlamp of beginning to speak is bright, the separating brake relay KM2 line that electricity divides SB1 to be controlled
Road disconnect, height open can not separating brake, electricity close SB2 button control closing relay KM1 route disconnect, height, which is opened, to close a floodgate, and reached
Button useless purpose realizes locking, opens illumination/latch buttons SB5 when pressing the height again, and headlamp extinguishes, electricity divide SB1 by
The closing line that the separating brake route of button control has separating brake condition, electricity closes the control of SB2 button has combined floodgate condition, and push button function is extensive
It is multiple normal, lock release；This opens step 1 under power transmission state for height；
Illumination/latch buttons SB5 is pressed when the height cut-offs electricity condition, height is begun to speak, and internal headlamp is bright, and electricity divides SB1, electricity to close SB2
Button useless realizes locking, and when pressing illumination/latch buttons again, headlamp extinguishes, and electricity point, electricity close push button function and restore just
Often, lock release.This cut-offs step 1 under electricity condition for height.
Further, the isolation transmission shaft and breaker of the mining explosion-proof type permanent magnetic high-voltage vacuum distribution equipment of PJG9L-/10
Transmission shaft is equipped with the collet locking set tool an of same model；The collet locking set tool is in the tubular of both ends open
Structure and tubular structure side wall are equipped with fastening bolt.
The present invention is additionally provided with mechanical latching, and installation is closed as shown in Fig. 4 ~ 7 on breaker transmission shaft and isolation transmission shaft
Lock tube piping tool, to achieve the purpose that prevent maloperation.As shown in Figure 8.
Power transmission state operating procedure 1 is opened when the height and realizes locking, then in isolation transmission shaft upper chuck locking set plumber
Tool, fastening are provided in the fastening screw on the locking casing, realize that the height opens power transmission locking.
When the high start-stop electricity condition operating procedure 1 realizes locking, then in isolation transmission shaft upper chuck locking set plumber
Tool, fastening are provided in the fastening screw on the locking casing, realize the high start-stop electric locking.Play the work of a prompting
With.
Breaker is driven shaft jacket and is latched set tool, and collet is latched after the completion of normally stopping power transmission operation, prevents without regular
Operating performance personnel operate the high-tension apparatus, mistake when operation and maintenance when can effectively prevent the high-voltage switch gear maintenance peace in this way
Touching function button leads to accident.
Detailed description of the invention
Fig. 1 mine explosion-suppression intrinsic safety type high-tension switch cabinet positive structure schematic.
Fig. 2 mine explosion-suppression intrinsic safety type high-tension switch cabinet side structure schematic diagram.
Blocking device structural schematic diagram on Fig. 3 mine explosion-suppression intrinsic safety type high-tension switch cabinet.
The front view of Fig. 4 collet locking set tool.
The side view of Fig. 5 collet locking set tool.
The top view of Fig. 6 collet locking set tool.
The three-dimensional view of Fig. 7 collet locking set tool.
Fig. 8 collet is latched schematic diagram when set tool practical application.
Circuit diagram before the transformation of Fig. 9 mine explosion-suppression intrinsic safety type high-tension switch cabinet.
The improved circuit diagram of Figure 10 mine explosion-suppression intrinsic safety type high-tension switch cabinet.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawing.Following manner is for illustrating this hair
It is bright, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meanings such as o combination of capital letters " SW " " ZX " and " note " phase
It with relationship based on the figure, is merely for convenience of description of the present invention and simplification of the description, is no longer explained one by one in description.This
Outside, term " first ", " second ", " third " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.For the ordinary skill in the art, tool can be regarded
Body situation understands the concrete meaning of above-mentioned term in the present invention.
It explains:
SB1: closely stop button SB2: closely playing button SB3: far playing button SB4: far stopping button JY: Insulation Test SB5: illumination is opened
Close QFK: circuit breaker control panel SW1: nearly remote control switch SW2: interlocking switch GLA: overcurrent test J: program-controlled relay SJ:
Closing relay J1: power transfer relay QF: permanent-magnet breaker LD: leak(age) test FA: reset SB6~9: function button J2:
No-voltage relay TV: voltage transformer RY1~3: varistor ZM: headlamp QS: isolation bolt TA1~2: electric current is mutual
Sensor TA3: zero sequence current mutual inductor FU1~3: fuse R: terminal resistance ibk: essential safe type controls relay T:
Control transformer * V1 and V2 must connect on button.(certification of conformity of an instrument for explosive atmosphere number: 2024081)
(1) working principle
High-tension apparatus is electronic, closing by hand operation is latched working principle:
Power distribution equipment is after closing disconnecting switch, and 100V is after full-bridge rectification for voltage transformer secondary two-phase, and direct current cathode is direct
It is switched to one end of KM1, direct-flow positive pole is normal by normally closed point, time relay opened point, the locking relay J3-2 of breaker
Prescribe, protector combined floodgate output point A7 and A8, the opened point of front door travel switch SW2, SB5 latch buttons normally closed point 1,2 arrive
The KM1 closing relay coil other end forms shutting-brake control loop；When torsion sub switch (nearly remote control switch) SW1 pushes nearly control, press
Lower combined floodgate knob (closely playing button) SB2, intrinsic safety relay normally open point (A7, A8) closure, breaker is by exporting rectifier
DC voltage is switched to KM1, and KM1-1 connects closing coil after KM1 is attracted, and completes feed motion (about 3 seconds time), breaks after combined floodgate
Device normally closed point in road is opened, and power switch is cut off；It completes to close a floodgate.
Electric or hand closing operation is completed, and the display of ZX display screen is closed a floodgate, and is closed a floodgate, bright, the combined floodgate work that runs display lamp
It completes.Further, SB5 illumination/latch buttons are pressed, 1., 2. number line disconnects the control route of KM1 closing relay, makes
High-voltage switch gear can not close a floodgate；3., 4. number line disconnects the control route of KM2 separating brake relay at the same time, makes high-voltage switch gear can not
Separating brake；The A5 of protector is connected with common wire, gives one block signal of protector, ground collection control computer is enable to read this high pressure
Switch is in artificial blocking, is latched successfully.
High-tension apparatus is electronic, manual brake separating operation is latched working principle:
Opening circuit is to disconnect intrinsic safety self-keeping circuit with SB1 button, is closed the opened point (A6, B6) of intrinsic safety relay ibk, makes
The DC55V power supply of rectifier bridge output is switched to KM2 separating brake relay, and KM2-1 connects opening coil after KM2 movement, and breaker is jumped
Lock；Remote control separating brake with closely control it is identical.
Make breaker open operation with external force rotation separating brake handle.
Electric or hand sub-switching operation is completed, and ZX display screen shows separating brake, and separating brake, operation display lamp are bright, separating brake work
It completes.Further, SB5 illumination/latch buttons are pressed, 1., 2. number line disconnects the control route of KM1 closing relay, makes
High-voltage switch gear can not close a floodgate；3., 4. number line disconnects the control route of KM2 separating brake relay at the same time, makes high-voltage switch gear can not
Separating brake；The A5 of protector is connected with common wire, gives one block signal of protector, ground collection control computer is enable to read this high pressure
Switch is in artificial blocking, is latched successfully.
(2) implement detail
1. overload test button is used as displacement button；
2. lighting button is used when ACK button, the design temporarily presses monitoring/lighting button and uses as confirming button；
3. 25,26 both threads of current transformer TA2 are shorted, above section pays attention to relocating；
4. quantity 57, using terminal block wiring；
5. current line uses BVR2.5mm2/ when wiring, other use BVR1.5mm2/, and wire length is being emitted on protector just by terminal
Top is reserved；
6. reserving guide rail slotted hole on the right side of guide rail when card terminal；
7.SB5 button 1. 2. 3. 4. 5. circuit pack be newly increase blocking function wiring.Separating brake control in figure can not also be interrupted
The 13 of route processed, 14 lines, only realize closing locking.
(3) operation rules and regulations
Function is realized: being opened power transmission state when height and is pressed illumination/latch buttons, height is begun to speak, and internal headlamp is bright, and electricity point, electricity close button
Locking is realized in failure, and when pressing illumination/latch buttons again, headlamp extinguishes, and electricity point, electricity close push button function and restore normal；When
Height cut-offs electric electricity condition and presses illumination/latch buttons, and height is begun to speak, and internal headlamp is bright, and electricity point, electricity close button useless, and realization is closed
Lock, when pressing illumination/latch buttons again, headlamp extinguishes, and electricity point, electricity close push button function and restore normal.It effectively prevent in this way
Accidentally touching function button when operation and maintenance when maintenance peace leads to accident.
Table 1 is the connection table of 5711 terminal blocks.
An explanation is done in use below for locking sleeve tool.
Present invention is primarily based on the transformation of the operating defect of the flameproof high-voltage vacuum switchgear of PJG9L-/10, former switchgear
Closedown structure between disconnecting switch, breaker and door is described as follows (as shown in Figure 3): mainly by door deadlock lever 1, the first spring
2, the first chain support 3, the first locking bar wheel 4, breaker transmission shaft 5, latch lever 6, second spring 7, the second chain support 8,
The compositions such as the second locking bar wheel 9, isolation transmission shaft 10, door flange 11；Door deadlock lever 1 passes through the first chain support 3, the first spring
2 are located in the first chain support 3 and push up door deadlock lever 1 to the second locking bar wheel 9；Latch lever 6 passes through the second chain support 8,
Second spring 7 is located in the second chain support 8 and pushes up latch lever 6 to the second locking bar wheel 9；First locking bar wheel 4 is set in
On breaker transmission shaft 5, the second 9 sets of locking bar wheel is on isolation transmission shaft 10.Be provided in first locking bar wheel 4 be respectively used to and
The groove (respectively square groove and triangular groove) of door deadlock lever and chain rod locking is provided in the second locking bar wheel 9
With the groove of latch lever other end locking.Its operating process is as follows.
1, power transmission lock operation: pulling door deadlock lever manually, and the door locking head is made to be detached from the locking bar of isolation transmission shaft
Wheel (i.e. the second locking bar wheel 9) square groove, while the door deadlock lever is mutually fought with door flange, explosion proof door can not be opened, real
Existing door locking, rotating counterclockwise about 45 degree of transmission shaft of isolation, (meanwhile the high moving contact for opening inner vacuum breaker isolation trolley is slotting
Opened in static contact to height), make that transmission shaft locking bar wheel triangular groove is isolated vertically upward, while latch lever is in second spring
Under effect, inside downward stroke to the triangular groove, the latch lever is detached from the locking bar wheel on breaker transmission shaft (i.e.
First locking bar wheel 5) groove, closing by hand function and breaker transmission unlock, described device can carry out closing by hand
Or electric switch-on.A electric switch-on: in the case where ensuring to close a floodgate, " combined floodgate " button on explosion proof door is directly pressed, breaker closes
Lock, display screen display is closed a floodgate on explosion proof door, and electric switch-on is completed；B closing by hand: in the case where ensuring to close a floodgate, clockwise
About 90 degree of breaker transmission shaft of rotation, until hearing switching-on mechanism motion and sound, breaker transmission shaft sets back manually, explosion proof door
Upper display screen display is closed a floodgate, and closing by hand is completed.
2, power failure lock operation: a manual brake separating: ensure can be with separating brake in the case where, manual toggle be located at height open side
" stopping " plectrum hears that height opens internal breaker separating brake motion and sound, while the display screen on explosion proof door shows separating brake, divides manually
Lock is completed；The electronic separating brake of b: ensure can be with separating brake in the case where, directly press " separating brake " button on explosion proof door, breaker open operation,
Display screen shows that the electronic separating brake of separating brake is completed on explosion proof door.The high voltage electric equipment breaker manually or electrically separating brake, needs
Isolation trolley operation is further pulled out, rotates clockwise about 45 degree of transmission shaft of isolation manually, latch lever is detached from isolation transmission shaft lock
Rod set wheel triangular groove, other end enter breaker transmission shaft locking bar wheel groove and realize that the locking of breaker transmission shaft (cannot
Carry out closing by hand operation), meanwhile, door deadlock lever retreats to isolation transmission shaft locking bar wheel square groove under spring force
(meanwhile the high moving contact for opening inner vacuum breaker isolation trolley leaves height and opens static contact), explosion proof door unlock can open anti-
Quick-fried door carries out height and opens internal overhaul.
After transformation, the closedown structure between the disconnecting switch of switchgear, breaker and door is described as follows: mainly being covered by locking
Pipe device 12(be latched set tool), door deadlock lever 1, the first spring 2, first interlocking support 3, the first locking bar wheel 4, breaker pass
The groups such as moving axis 5, latch lever 6, second spring 7, the second chain support 8, the second locking bar wheel 9, isolation transmission shaft 10, door flange 11
It is formed at equal.The breaker transmission shaft jacket is latched set tool, and material specification is seamless steel pipe Φ 20mm, length 40mm；Gu
Surely use screw hole Φ 6mm, fastening bolt: GB/T 5783-2000 hexagon-headed bolt full thread, intensity 4.8, tooth is away from 1.0, length
30mm, Φ 6mm.
1, power transmission lock operation: loosening the fastening bolt that casing is latched on isolation transmission shaft manually, removes the locking set
Pipe pulls door deadlock lever manually, so that the door locking head is detached from the locking bar wheel square groove of isolation transmission shaft, while described
Door deadlock lever is mutually fought with door flange, and explosion proof door can not be opened, and realizes door locking, and it is (same to rotate counterclockwise about 45 degree of transmission shaft of isolation
When, the moving contact that height opens inner vacuum breaker isolation trolley is inserted into height and opens in static contact), make that transmission shaft locking bar wheel three is isolated
Angular texturearunaperpendicular is upward, while latch lever is under the action of the spring, inside downward stroke to the triangular groove, the company
Locking bar is detached from the locking bar wheel groove on breaker transmission shaft, closing by hand function and breaker transmission unlock, the dress
Closing by hand or electric switch-on can be carried out by setting.A electric switch-on: in the case where ensuring to close a floodgate, first by explosion proof door
" illumination/locking " button, observation window can see that interior light goes out, and then directly press " combined floodgate " button on explosion proof door, break
Road device closes a floodgate, and display screen display is closed a floodgate on explosion proof door, bright by " illumination/locking " button interior headlamp again, latch switch, electricity
Dynamic circuit connector lock is completed；B closing by hand: in the case where ensuring to close a floodgate, pressing " illumination/locking " button on explosion proof door first, sees
Examining window can see that interior light goes out, and rotate clockwise about 90 degree of breaker transmission shaft, until hear switching-on mechanism motion and sound,
Breaker transmission shaft sets back manually, and display screen display is closed a floodgate on explosion proof door, illuminates again by " illumination/locking " button interior
Lamp is bright, latch switch, and closing by hand is completed.
2, power failure lock operation: a manual brake separating: ensure can be with separating brake in the case where, first by explosion proof door " illumination/
Locking " button, observation window can see that interior light goes out, and manual toggle is located at " stopping " plectrum that height opens side, hear height
Internal breaker separating brake motion and sound is opened, while the display screen on explosion proof door shows separating brake, is pressed in " illumination/locking " button again
Portion's headlamp is bright, latch switch, and manual brake separating is completed；The electronic separating brake of b: ensure can be with separating brake in the case where, first press explosion proof door
On " illumination/locking " button, observation window can see that interior light goes out, then directly presses by " separating brake " on explosion proof door
Button, breaker open operation, display screen shows separating brake on explosion proof door, and bright by " illumination/locking " button interior headlamp again, locking is opened
It closes, electronic separating brake is completed.The high voltage electric equipment breaker manually or electrically separating brake needs further to pull out isolation trolley behaviour
Make, rotates clockwise about 45 degree of transmission shaft of isolation manually, latch lever is detached from isolation transmission shaft locking bar wheel triangular groove, another
Head enters breaker transmission shaft locking bar wheel groove and realizes the locking of breaker transmission shaft (not can be carried out closing by hand operation), together
When, door deadlock lever retreats to isolation transmission shaft locking bar wheel square groove under spring force, and (meanwhile to open inner vacuum disconnected for height
The moving contact of road device isolation trolley leaves height and opens static contact), explosion proof door unlock can open explosion proof door, carry out height and open internal inspection
It repairs.
Claims (3)
1. a kind of high-voltage switch gear manual locking device, including the mining explosion-proof type permanent magnetic high-voltage vacuum distribution equipment of PJG9L-/10, should
Device internal circuit includes DSI-5711 intelligent type comprehensive protector, control transformer T, liquid crystal display ZX, essential safe type control
Relay ibk processed；The end A6 of ibk is grounded by interlocking switch SW2, the end the A7 ground connection of ibk；Control the level-one coil of transformer T
One end be connected with the C9 of DSI-5711 intelligent type comprehensive protector, control transformer T level-one coil the other end with
The C10 of DSI-5711 intelligent type comprehensive protector is connected；It controls and is serially connected between two terminals of the level-one coil of transformer T
Illumination/latch switch SB5 and lighting lamp ZM；It is characterized in that, the end A5 of DSI-5711 intelligent type comprehensive protector and monitoring
A normal open switch, the other end and the DSI-5711 intelligent type comprehensive protector of monitoring key are serially connected between one end of button
The end A10 is connected；A normally closed switch is serially connected on the earth-return circuit at the end A6 of ibk；It is concatenated on the earth-return circuit at the end A7 of ibk
There is a normally closed switch；One normal open switch and two normally closed switch pass through illumination/latch switch SB5 control and realize
Linkage.
2. high-voltage switch gear manual locking device as described in claim 1, which is characterized in that the flame-proof mine of PJG9L-/10 is forever
The isolation transmission shaft and breaker transmission shaft of magnetic high-voltage vacuum distribution equipment are equipped with the collet locking set an of same model
Tool；The collet locking set tool is equipped with fastening bolt in the tubular structure and tubular structure side wall of both ends open.
3. high-voltage switch gear manual locking device as claimed in claim 2, which is characterized in that the breaker transmission shaft jacket closes
Lock tube tool, material specification are seamless steel pipe Φ 20mm, length 40mm；It is fixed to use screw hole Φ 6mm, fastening bolt: GB/T
5783-2000 hexagon-headed bolt full thread, intensity 4.8, tooth is away from 1.0, length 30mm, Φ 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305506.8A CN109244848B (en) | 2018-11-05 | 2018-11-05 | Manual locking device of high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305506.8A CN109244848B (en) | 2018-11-05 | 2018-11-05 | Manual locking device of high-voltage switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244848A true CN109244848A (en) | 2019-01-18 |
| CN109244848B CN109244848B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811305506.8A Active CN109244848B (en) | 2018-11-05 | 2018-11-05 | Manual locking device of high-voltage switch |
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| CN103545733A (en) * | 2013-10-14 | 2014-01-29 | 宁夏天地经纬电力设备工程有限公司 | Mining flameproof permanent-magnet type high-voltage vacuum distribution device |
| WO2017168429A1 (en) * | 2016-03-30 | 2017-10-05 | Surendran Narayanan | Integrated over load and earth fault protection system for low voltage |
| CN208835464U (en) * | 2018-11-05 | 2019-05-07 | 西山煤电(集团)有限责任公司 | High-voltage switch gear manual locking device |
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| CN109244848B (en) | 2024-03-22 |
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