CN203827068U - Power line electronic lock - Google Patents
Power line electronic lock Download PDFInfo
- Publication number
- CN203827068U CN203827068U CN201420203745.3U CN201420203745U CN203827068U CN 203827068 U CN203827068 U CN 203827068U CN 201420203745 U CN201420203745 U CN 201420203745U CN 203827068 U CN203827068 U CN 203827068U
- Authority
- CN
- China
- Prior art keywords
- controller
- plug
- electronic lock
- arranges
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
Abstract
The utility model discloses a power line electronic clock. The electronic lock comprises a controller and a sensor. The electronic lock is characterized in that the sensor is electrically connected to the controller through a shielded wire; the controller includes an inner shell and an outer shell; snaps are arranged on the two sides of the inner shell, and are provided with phosphor dots; the outer shell is provided with snap holes; a plug-in type wiring female header is arranged on the inner shell, and a plug-in type wiring pin header matching with the plug-in type wiring female header is correspondingly arranged on the outer shell; external connection terminals are correspondingly arranged for electric connection of the plug-in type wiring female header; and the controller is provided with an external illuminating lamp. According to the utility model, the power line electronic lock is applicable to outdoor high-voltage electrical equipment with rating voltage of 9-15kV; an inductive sensor is used to perform non-contact measurement, so that the electronic lock is safe and reliable; and the controller adopts a plug-in type design, and can be replaced without shutting down the power or opening the door, thereby providing convenience for maintenance.
Description
Technical field
The utility model belongs to the supervising device of electric power system, is specifically related to a kind of power circuit electronic lock.
Background technology
In the electric power system of high pressure, superhigh pressure, it is very important ensuring safety in production, and in all types of switch cubicles, often uses high voltage display device.When major loop is during with high-tension electricity, its,, through principle of capacitive divider output low voltage voltage signal, lights neon lamp, with light signal, sends prompting.The sensing element of charged demonstration is directly installed on the installation panel of high-tension apparatus more, and which section major loop operations staff's viewing lamp just can understand at charging operation, safeguard or test cabinet in during element, it is particularly important that electrical lock apparatus more seems.
But in the totally-enclosed Power Plant Design of existing operation, aspect " five is anti-" interface, do not considering detection and the control under electriferous state, be difficult to installation and maintenance charged display device in the situation that of not power-off, prevented that charged misoperation from bringing certain difficulty reliably, charged display device need to be the in the situation that of power-off, sensor installation in bus bar canister, need to again find time and again demarcate SF6 inert gas.
The sensing element of charged demonstration is directly installed on the installation panel of high-tension apparatus more, cannot directly take off, and during installation and maintenance, because locus is limit, need to pay the longer operating time, is unfavorable for the raising of operating efficiency.
Summary of the invention
Technical problem to be solved in the utility model is: design a kind of power circuit electronic lock, and the installation and maintenance in not power-off, do not open the door in the situation that, and can realize unidirectional forced blocking to operating mechanism.
In order to solve the problems of the technologies described above taked technical scheme, be: design a kind of power circuit electronic lock, comprise controller and transducer, it is characterized in that, described transducer is electrically connected to controller by shielding conductor, described controller comprises inner housing and shell body, inner housing both sides arrange buckle, described buckle arranges phosphor dot, shell body correspondence arranges hole clipping, it is female that described inner housing arranges plug-in line bank, shell body correspondence arranges adaptive plug-in line bank pin, corresponding to plug-in line bank pin, be electrically connected to external wiring terminal is set, described controller arranges external illuminating lamp, described shell body both sides arrange respectively two support installing holes, mounting bracket is provided with two L-type hanging feets, its middle part connects to arrange and screws screw rod, described transducer comprises amplification circuit of electrical signal, described controller also comprises mainboard, described mainboard comprises: display unit, its input is connected with the output of transducer, in order to show the electriferous state of equipment under test, locking unit, its input is connected with the output of display unit, in order to when equipment under test is charged by equipment under test locking, arithmetic unit amplifying unit, voltage comparison unit, PLC programming Control unit, relay function unit, the alarm unit of blowing a whistle.Described inner housing arranges single line plate corresponding to plug-in line bank mother, described shell body arranges comprehensive wiring board, plug-in line bank pin and external wiring terminal are arranged on comprehensive wiring board, described inner housing also comprises display floater, display floater is provided with indicator light, self-test switch and external power supply jack, indicator light, self-test switch is electrically connected to mainboard, external power supply is to controller auxiliary power supply, every group of outer contact of described external wiring terminal connects the normally closed interlock of relay on mainboard, every group of outer contact of external wiring terminal is connected with the auxiliary normally opened contact of earthing respectively, realize unidirectional forced blocking.
The beneficial effects of the utility model: a kind of power circuit electronic lock of the utility model, the installation and maintenance in not power-off, do not open the door in the situation that, and can realize unidirectional forced blocking to operating mechanism; Adopt inductosyn, non-contact measurement, safe and reliable, easy to maintenance; Be for preventing mistakenly entering charged chamber and the device that prevents electric misoperation, can be used for the indoor outer high voltage electric equipment of rated voltage 9～15kV.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the utility model controller overall structure schematic diagram
Fig. 3 is the utility model display floater schematic diagram
Fig. 4 is the utility model shell body outer face schematic diagram
Fig. 5 is the utility model hole clipping and support structure of mounting hole schematic diagram
Fig. 6 is the utility model inner housing and outer shell construction schematic diagram
Fig. 7 is the utility model mounting bracket schematic diagram
Fig. 8 is the utility model controller main board function block diagram
Fig. 9 is the utility model forced blocking circuit diagram
Figure 10 is single line plate circuit diagram
In figure: 1 controller 2 transducer 3 shielding conductor 4 hose clamp 5 pole 6 post insulator 7 high-voltage busbar 8 display floater 9 inner housing 10 shell body 11 support 12 indicator light 13 electromagnetic lock interface 14 micro_computer five_proof interface 15 working power interface 16 signal wire interface 17 screen interface 18 earth terminal interface 19 support installing hole 20 hole clipping 21 buckle 22 mounting bracket 23 hanging feets 24 screw auxiliary normally opened contact 26 relay I phase normally-closed contact 27 relay II phase normally-closed contact 28 illuminating lamp 29 phosphor dots of screw rod 25 earthings.
Embodiment
As shown in the figure, a kind of power circuit electronic lock, comprise controller 1 and transducer 2, it is characterized in that, described transducer 2 is electrically connected to controller 1 by shielding conductor 3, described controller 1 comprises inner housing 9 and shell body 10, inner housing 9 both sides arrange buckle 21, described buckle 21 arranges phosphor dot 29, shell body 10 correspondences arrange hole clipping 20, it is female that described inner housing 9 arranges plug-in line bank, shell body 10 correspondences arrange adaptive plug-in line bank pin, corresponding to plug-in line bank pin, be electrically connected to external wiring terminal is set, described controller 1 arranges external illuminating lamp 28, described shell body 10 both sides arrange respectively two support installing holes 19, mounting bracket 22 is provided with two L-type hanging feets 23, its middle part connects to arrange and screws screw rod 24, described transducer 2 comprises amplification circuit of electrical signal, described controller 1 also comprises mainboard, described mainboard comprises: display unit, its input is connected with the output of transducer 2, in order to show the electriferous state of equipment under test, locking unit, its input is connected with the output of display unit, in order to when equipment under test is charged by equipment under test locking, arithmetic unit amplifying unit, voltage comparison unit, PLC programming Control unit, relay function unit, the alarm unit of blowing a whistle, described inner housing 9 arranges single line plate corresponding to plug-in line bank mother, described shell body 10 arranges comprehensive wiring board, plug-in line bank pin and external wiring terminal are arranged on comprehensive wiring board, described inner housing 9 also comprises display floater 8, display floater 8 is provided with indicator light 12, self-test switch and external power supply jack, indicator light 12, self-test switch is electrically connected to mainboard, external power supply is to controller 1 auxiliary power supply, every group of outer contact of described external wiring terminal connects the normally closed interlock of relay on mainboard, every group of outer contact of external wiring terminal is connected with the auxiliary normally opened contact 25 of earthing respectively, realize unidirectional forced blocking.
Described transducer 2 comprises amplification circuit of electrical signal, relies on merely its fluctuation difference of the actual signal of telecommunication little, catches difficulty, slow in reacting, amplification circuit of electrical signal can effectively be avoided these drawbacks, coordinates especially arithmetic unit amplifying unit, practical application effect is obvious, controls more accurate.
This installs the limitation because of its installation site, the field of narrow space, particularly pitch-dark night in switch cubicle, the external illuminating lamp 28 of controller 1, illuminating lamp 28 can be used controller 1 Power supply, and illuminating lamp 28 arranges the connection flexible cord of prolongation, to facilitate mobile assurance illumination not stay dead angle.
Even during not enough illuminating lamp 28 cisco unity malfunction of the power supply of controller 1, buckle 21 is provided with phosphor dot 29, maintenance person can pinch buckle 21, pulls down controller 1 and takes away maintenance.
During installation, hanging feet 23 penetrates support installing hole 19, pushes inward movement controller 1, relies on the L-type structure of hanging feet 23 to be firmly linked with controller 1, then tightens and screws screw rod 24, by screwing screw rod 24, is fixed on switch cubicle.Transducer 2 is installed and should be guaranteed to meet the air required distance under corresponding different electric pressure, preferably, be arranged on the bottom of corresponding high-tension line post insulator 6, adopt supporting hose clamp 4 first that pole 5 is fastening, transducer 2 is arranged on pole 5 and by shielding conductor 3 and connects controller 1, guarantee that transducer 2 and high-voltage busbar 7 are over against, non-contact measurement, safe and reliable.
Utilize the field coupled principle between transducer 2 and high-voltage alternating electric field, outside safe distance, carry out induction type, non-contact measurement, transducer 2 produces charge inducing under the effect of alternating electric field, form induced current as the input signal of device, after amplify inside, by cable, this sensor current signal is sent to controller 1.Signal is processed through filtering, effectively remove various high order harmonic component signals, through current/voltage conversion, output power frequency 50Hz voltage signal, again through compensation, operation amplifier unit, detection enters voltage comparison unit after processing and carries out voltage ratio pair, again the signal after comparison is sent into PLC programming Control unit and carry out micro-processing differentiation, two-way output in final minute, one tunnel outputs to display unit, if voltage is higher than setting voltage door value, be judged to electricity, indicator light 12 dodges and shows redness, if voltage is lower than setting voltage door value, be judged to without electricity, indicator light 12 dodges and shows green, relay is sent on another road, control relay action, while being judged to electricity, relay is failure to actuate, while being judged to without electricity, the normally-closed contact of relay disconnects, the normally closed interlock of relay is connected with one group of outer contact of external wiring terminal respectively, be used for controlling locking, to micro_computer five_proof, provide nodal function.
When 1 shielding conductor being connected of transducer 2 and controller 3 broken string occurs or do not connect, corresponding phase indicator light 12 sends flicker warning indication, with Time Controller 1, sends the alarm of blowing a whistle.
While pulling down, from instrument door active window, stretch out one's hand into, the buckle ear that pinches controller 1 inner housing 9 both sides outwards drags, buckle ear and buckle 21 one, buckle 21 is stressed deviates from hole clipping 20, can extract inner housing 9, now the plug-in line bank mother of inner housing 9 also pulls up from the plug-in line bank pin of shell body 10, inner housing 9 is separated from shell body 10, shell body 10 is stayed in switch cubicle, its plug-in line bank pin is electrically connected to external wiring terminal, needn't can pull down controller 1 by switch gate, overhaul, safeguard or change, controller 1 is pulled down nature from operating-controlling mechanism also needn't power-off.
Controller 1 arranges replaceable, chargeable stand-by power supply, when main power source power down, automatically switches to stand-by power supply work; Main power source charges to stand-by power supply inlet wire after recovering automatically; When main power source and stand-by power supply are not powered, can select external power supply to power by the external power supply jack on display floater 8, play multiple power source guaranteeing role, guarantee the normal operation of charged display device.Press self check button, can carry out self check to soft and hardware system, can prevent the mistake indication causing due to hardware damage and internal fault.
Figure 4 shows that the outer face of the utility model shell body 10, K1K2 is used for connecting the first electromagnetic lock, K3K4 is used for connecting the second electromagnetic lock, K5K6 is anti-for connected with computer five, L+N-is used for connecting working power, and lower row's port is respectively signal wire interface 16, screen interface 17, earth terminal interface 18.
Figure 9 shows that earthing forced blocking circuit, the two-phase bus of take test is example, on controller 1, be provided with some outer contacts, the one group of outer contact being connected with relay I phase normally-closed contact 26, the one group of outer contact being connected with relay II phase normally-closed contact 27 are connected with the auxiliary normally opened contact 25 of earthing respectively, form forced blocking loop, just can realize unidirectional forced blocking.If test has electricity, I phase and II phase relay are failure to actuate, grounding knife switch is in often opening, if test is without electricity, I phase or the action of II phase relay, relay I phase normally-closed contact 26 and relay II phase normally-closed contact 27 become disconnection from normally closed, and the auxiliary normally opened contact of 25 earthings that are attached thereto is closed, reaches forced blocking.During system middle-high pressure electrification, install and can reliable locking also indicate, when any phase or two-phase dead electricity, can accurately indicate charged phase, locking device can release.
It is to be noted; above-mentioned execution mode is only the utility model preferred embodiment; for those skilled in the art, meeting under the prerequisite of the utility model operation principle any be equal to or similar replacement all falls in protection range of the present utility model.
Claims (5)
1. a power circuit electronic lock, comprise controller and transducer, it is characterized in that, described transducer is electrically connected to controller by shielding conductor, described controller comprises inner housing and shell body, inner housing both sides arrange buckle, described buckle arranges phosphor dot, shell body correspondence arranges hole clipping, it is female that described inner housing arranges plug-in line bank, shell body correspondence arranges adaptive plug-in line bank pin, corresponding to plug-in line bank pin, be electrically connected to external wiring terminal is set, described controller arranges external illuminating lamp, described shell body both sides arrange respectively two support installing holes, mounting bracket is provided with two L-type hanging feets, its middle part connects to arrange and screws screw rod, described transducer comprises amplification circuit of electrical signal.
2. a kind of power circuit electronic lock according to claim 1, is characterized in that, described controller also comprises mainboard, and described mainboard comprises: display unit, and its input is connected with the output of transducer, in order to show the electriferous state of equipment under test; Locking unit, its input is connected with the output of display unit, in order to when equipment under test is charged by equipment under test locking; Arithmetic unit amplifying unit; Voltage comparison unit; PLC programming Control unit; Relay function unit; The alarm unit of blowing a whistle.
3. a kind of power circuit electronic lock according to claim 1, it is characterized in that, described inner housing arranges single line plate corresponding to plug-in line bank mother, and described shell body arranges comprehensive wiring board, and plug-in line bank pin and external wiring terminal are arranged on comprehensive wiring board.
4. a kind of power circuit electronic lock according to claim 1, it is characterized in that, described inner housing also comprises display floater, and display floater is provided with indicator light, self-test switch and external power supply jack, indicator light, self-test switch are electrically connected to mainboard, and external power supply is to controller auxiliary power supply.
5. a kind of power circuit electronic lock according to claim 1, it is characterized in that, every group of outer contact of described external wiring terminal connects the normally closed interlock of relay on mainboard, and every group of outer contact of external wiring terminal is connected with the auxiliary normally opened contact of earthing respectively, realizes unidirectional forced blocking.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420203745.3U CN203827068U (en) | 2014-04-24 | 2014-04-24 | Power line electronic lock |
| PCT/CN2014/087723 WO2015161625A1 (en) | 2014-04-24 | 2014-09-28 | Electronic lock for power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420203745.3U CN203827068U (en) | 2014-04-24 | 2014-04-24 | Power line electronic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203827068U true CN203827068U (en) | 2014-09-10 |
Family
ID=51482529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420203745.3U Expired - Fee Related CN203827068U (en) | 2014-04-24 | 2014-04-24 | Power line electronic lock |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203827068U (en) |
| WO (1) | WO2015161625A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015161625A1 (en) * | 2014-04-24 | 2015-10-29 | 朱林学 | Electronic lock for power line |
| WO2015161611A1 (en) * | 2014-04-24 | 2015-10-29 | 肖金丽 | Inductive high-voltage live display apparatus for power line |
| CN106785686A (en) * | 2016-12-13 | 2017-05-31 | 普天新能源（深圳）有限公司 | Charging gun release circuit and charging gun |
| CN109191636A (en) * | 2018-08-23 | 2019-01-11 | 广东汇泰龙科技有限公司 | A kind of wrong self checking method of cloud lock |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3991367A (en) * | 1976-01-20 | 1976-11-09 | The United States Of America As Represented By The Secretary Of The Interior | Detection of potential on high-voltage transmission lines |
| CN201107351Y (en) * | 2007-08-29 | 2008-08-27 | 上海海兰电气有限公司 | High voltage electrified display locking device |
| CN201749146U (en) * | 2010-07-08 | 2011-02-16 | 福州博峰智能电器有限公司 | Induction high-voltage live display device |
| CN203786195U (en) * | 2014-04-24 | 2014-08-20 | 淄博金鹏电子有限公司 | Power line induction type high-voltage charged display device |
| CN203827068U (en) * | 2014-04-24 | 2014-09-10 | 朱子毅 | Power line electronic lock |
-
2014
- 2014-04-24 CN CN201420203745.3U patent/CN203827068U/en not_active Expired - Fee Related
- 2014-09-28 WO PCT/CN2014/087723 patent/WO2015161625A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015161625A1 (en) * | 2014-04-24 | 2015-10-29 | 朱林学 | Electronic lock for power line |
| WO2015161611A1 (en) * | 2014-04-24 | 2015-10-29 | 肖金丽 | Inductive high-voltage live display apparatus for power line |
| CN106785686A (en) * | 2016-12-13 | 2017-05-31 | 普天新能源（深圳）有限公司 | Charging gun release circuit and charging gun |
| CN109191636A (en) * | 2018-08-23 | 2019-01-11 | 广东汇泰龙科技有限公司 | A kind of wrong self checking method of cloud lock |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015161625A1 (en) | 2015-10-29 |
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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: 20140910 Termination date: 20150424 |
|
| EXPY | Termination of patent right or utility model |