CN108061838A - A kind of leakage tests method for ensureing user's normal electricity consumption - Google Patents
A kind of leakage tests method for ensureing user's normal electricity consumption Download PDFInfo
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- CN108061838A CN108061838A CN201711361903.2A CN201711361903A CN108061838A CN 108061838 A CN108061838 A CN 108061838A CN 201711361903 A CN201711361903 A CN 201711361903A CN 108061838 A CN108061838 A CN 108061838A
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- button
- controller
- terminal
- protective device
- bypass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Abstract
The invention discloses a kind of leakage tests method for ensureing user's normal electricity consumption, this method applies a kind of Intelligent leakage protection switch.During earth leakage protective test is carried out, the load for having the function of to ensure user side does not have a power failure the present invention, and then reduces leakage tests and cause influence of the power failure to user.In addition; the present invention has the function of earth leakage protective detection, overload protection detection during leakage tests, can be during earth leakage protective is tested; detection electric leakage, the power supply for overloading and cutting off user side ensure Electrical Safety and the personal safety of user's lateral load.A kind of Intelligent leakage protection switch of present invention application also has the advantageous effect of periodically automatic detection creepage protection function.
Description
Technical field
The present invention relates to the relay protection in power distribution power supply technique field, equipment repair and maintenance field, particularly
It is a kind of leakage tests method for ensureing user's normal electricity consumption.
Background technology
In daily life either in plant power supply and distribution system, the application of earth leakage protective device is very universal.Earth leakage protective
Device is to detect electric leakage either in the case where people gets an electric shock, and disconnection earth leakage circuit-breaker makes one a kind of guarantor out of danger
Protection unit.Earth leakage protective device generally has two ways, and a kind of is the switch of leakage protection module and overcurrent protection module one,
One kind is individual leakage tripping device, and overcurrent protective switch separating brake is driven with its interlocking lever.Application No. 201720127633.8
A kind of leakage tripping device be exactly a kind of individual leakage tripping device.A kind of leakage, breaking of Application No. 201310420543.4
Device is exactly a kind of integral earth leakage protective device.
In the application process of earth leakage protective device, it is a well-known common sense to carry out leakage function test, and is being leaked
During electric protection functional test, the separating brake of breaker or earth leakage protective device is an essential process, therefore meeting
User side is caused to have a power failure to bring inconvenience to electricity consumption.And in the factory, production can be generated because detection leakage function have a power failure
It influences, reduces production efficiency.Without the hidden danger of safety utilization of electric power is detected and can generated to earth leakage protective device.Therefore design one
Kind can detect whether creepage protection function normally can guarantee that a kind of Intelligent leakage protection switch that user side does not have a power failure becomes again
A kind of urgent demand.
The content of the invention
The technical problem to be solved by the present invention is to：Provide a kind of leakage tests method for ensureing user's normal electricity consumption, tool
There is periodically automatic detection creepage protection function, and the function of user side normal power supply is kept in detection process.
The technical solution of the technical problem to be solved in the present invention is：A kind of leakage tests side for ensureing user's normal electricity consumption
Method, it is characterised in that：This method uses a kind of Intelligent leakage protection switch, and a kind of Intelligent leakage protection switch includes carrying
The earth leakage protective device of motor-operating mechanism further includes the shunting device being fixedly connected with earth leakage protective device, the shunting device bag
Include the protection controller and by-pass switch to link together；The protection controller includes integrally formed housing, the housing
It is internally provided with control circuit；The housing one side adjacent with earth leakage protective device to be there are two connecting rod, the protrusion connecting rod is protruded
It hollow structure and is communicated with enclosure interior, two protrusion connecting rods are respectively first and second protrusion connecting rod, and the protrusion connecting rod is located at
The top of earth leakage protective device, and protrude up and down two planes of the connecting rod close to one end of earth leakage protective device and be equipped with transmission through hole,
The protrusion connecting rod is internally provided with Electromagnetic push-button, and first protrudes the Electromagnetic push-button inside connecting rod for test Electromagnetic push-button, and second is convex
Go out the Electromagnetic push-button inside connecting rod to reset Electromagnetic push-button, the survey of the transmission through hole and earth leakage protective device of the first protrusion connecting rod
The position of examination button coincides with the upper and lower, on the position of the transmission through hole of the second protrusion connecting rod and the reset button of earth leakage protective device
Lower coincidence；The front and rear of the housing is equipped with major loop terminal, and the upside of housing forepart is equipped with control terminal, the forepart
Major loop terminal for input terminal, the main circuit terminal attached bag at the rear portion includes line terminals, main road lead terminal, bypass lead
Terminal, the control terminal include bypass shutting-brake control terminal, bypass separating brake control terminal, and main road shutting-brake control terminal is described
Major loop terminal and control terminal are the terminal of two point；The Electromagnetic push-button includes button axle, adsorpting iron plate, electromagnetic wire
Circle, spring, the button axle is plugged in transmission through hole and the upper and lower ends of button axle are upper and lower flat with protrusion connecting rod respectively
Face is concordant, and the electromagnetic coil is set in the lower part of button axle, and is fixedly connected with the inside of protrusion connecting rod, the absorption iron
Piece is located at the top of electromagnetic coil and is fixedly connected with button axle, and the spring is arranged between adsorpting iron plate and electromagnetic coil,
And the both ends of spring are fixedly connected respectively with adsorpting iron plate, electromagnetic coil；The lower part of the transmission through hole is equipped with limited block,
The limited block is fixedly connected with the inner wall of housing；The top of the electromagnetic coil of the Electromagnetic push-button is equipped with button switch, uses
To detect whether adsorpting iron plate acts, the button switch in Electromagnetic push-button is tested as test detection button switch, electromagnetism is resetted and presses
Button switch inside button is reset detection button switch, the test detection button switch, reset detection button switch and control
Device electrical connection processed；The by-pass switch is contactor；The control circuit include power module, controller, bypass close a floodgate after
Electric appliance, bypass separating brake relay, main road closing relay, the coil windings of the bypass splitting or integrating lock relay, main road close a floodgate after
Coil windings and the controller electrical connection of electric appliance, the electromagnetic coil of the test Electromagnetic push-button, the electromagnetism for resetting Electromagnetic push-button
Coil and controller electrical connection；The top of the housing is equipped with manual bypass switch knob and manual bypass opening button, institute
Manual bypass switch knob is stated as normally opened button, the manual bypass opening button is normally closed button, the manual bypass splitting or integrating
The upper surface of lock button and the flush of the housing of protection controller；The upper surface of the housing is equipped with multiple indicating fault
Lamp, the malfunction indicator lamp are light emitting diode, and are electrically connected with controller；The input terminal and inlet wire of the power module
Terminal zero, firewire electrical connection, the output terminal of power module is electrically connected with controller；It is described to bypass the normal of closing relay
The both ends of contact and the two-end-point electrical connection of bypass shutting-brake control terminal are opened, the manual bypass switch knob closes a floodgate with bypass
The normally opened contact of relay simultaneously connects, and after the normally-closed contact series connection of the manual bypass opening button and bypass separating brake relay and connects
At the both ends of bypass separating brake control terminal, the both ends of the normally opened contact of the main road closing relay and main road shutting-brake control terminal
Two-end-point electrical connection；The power end and input terminal of the earth leakage protective device simultaneously connect, the load end of earth leakage protective device and master
Pass line terminals simultaneously connect, and main road lead terminal, bypass lead terminal and outlet terminal and connect inside housings；The outlet terminal
Main road current transformer, the outlet of the main road current transformer are arranged on firewire connecting line between main road lead terminal
End and controller are electrically connected, and by-pass current is arranged on the firewire connecting line between the outlet terminal and bypass lead terminal
Mutual inductor, leading-out terminal and the controller electrical connection of the by-pass current mutual inductor；The master, by-pass current mutual inductor are to logical
It crosses and detects whether that there are electric currents to determine whether the contact of earth leakage protective device, by-pass switch disconnects；The motor-operating mechanism
Zero firewire of power supply and input terminal is controlled to connect, shutting-brake control terminal and main road shutting-brake control the terminal electricity of motor-operating mechanism
Gas connects；Be attempted by after the coil windings of the by-pass switch and bypass shutting-brake control terminal series-shunt input terminal zero firewire it
Between, it is described with bypassing shutting-brake control terminal and connecing after the normally opened contact series connection of the bypass separating brake control terminal and by-pass switch
The end of incoming cables of the main contacts of by-pass switch and input terminal electrical connection, the leading-out terminal of the main contacts of by-pass switch and bypass lead
Terminal is electrically connected；The input terminal of controller is protected in the outlet terminal of the protection controller and user load electrical connection
It is electrically connected with power supply grid；The earth leakage protective device is internally provided with electric leakage signal relay, the electric leakage signal relay
Coil windings are in parallel with the electric leakage tripping coil of earth leakage protective device, and the control terminal of the protection controller further includes detection of electrical leakage
Terminal, detection of electrical leakage terminal and controller electrical connection, the normally opened contact of the electric leakage signal relay pass through conducting wire and protection
The detection of electrical leakage terminal electrical connection of controller；
The leakage tests method for ensureing user's normal electricity consumption includes following methods：
Method 1, the method that manual test creepage protection function is carried out in the case where earth leakage protective device works normally：
Step 1.1, manual bypass switch knob is pressed, connects by-pass switch；
Step 1.2, the button axle of test Electromagnetic push-button is pressed, tests button glides downward and then the driving of Electromagnetic push-button
The testing button of earth leakage protective device, earth leakage protective device detect that testing button presses rear starting tripping action；
Step 1.3, check whether earth leakage protective device trips, earth leakage protective device failure is illustrated if not tripping, and is carried out
Check and replace earth leakage protective device；If tripping, illustrate that earth leakage protective device function is normal and performs step 1.4；
Step 1.4, the button axle for resetting Electromagnetic push-button is pressed, resets button glides downward and then the driving of Electromagnetic push-button
The reset button of earth leakage protective device, earth leakage protective device detect that reset button is pressed rear earth leakage protective device and resetted；
Step 1.5, it is closed earth leakage protective device；
Step 1.6, manual bypass opening button is pressed, by by-pass switch disjunction, completes test；
Method 2, the control method of periodically automatic test leakage function：
Controller is internally provided with time timer unit, starts autorun after the time cycle of one month,
Step 2.1, the coil windings of controller control bypass closing relay are charged, bypass the normally opened of closing relay and touch
Point is closed, and the main contacts of by-pass switch is connected；
Step 2.2, whether the main contacts of controller control detection by-pass switch is connected, if be not switched on, if controller
Light malfunction indicator lamp；If it is switched on, then perform step 2.3；The method of detection is that controller detection by-pass current mutual inductor is
It is no to have electric current, if there is electric current then illustrates to have turned on, illustrate to be not switched on if no electric current；
Step 2.3, controller connects the electromagnetic coil of test Electromagnetic push-button, and the adsorpting iron plate for testing Electromagnetic push-button is being subject to
Slide downward and then the button axle of drive test Electromagnetic push-button, which move down and press electric leakage, under the suction of electromagnetic coil protects
Protect the testing button of device；
Step 2.4, whether controller detection test detection button switch is closed, and illustrates to test electromagnetism if not being closed
Button is not carried out the instruction of controller and controller lights malfunction indicator lamp；Step 2.5 is performed if being closed；
Step 2.5, whether the switch contact of controller detection earth leakage protective device disconnects, specifically, controller detects main road
Whether current transformer has electric current, and if there is electric current illustrates that earth leakage protective device contact is not turned off, and controller lights failure
Indicator light；Illustrate that earth leakage protective device is already off if no electric current is detected, and perform step 2.6；
Step 2.6, controller connects the electromagnetic coil for resetting Electromagnetic push-button, resets the button axle of Electromagnetic push-button by absorption iron
Piece drives and moves downward, and then presses the reset button of earth leakage protective device；
Step 2.7, whether controller detection reset detection button switch is closed, and illustrates to reset electromagnetism if not being closed
Button performs the instruction failure of controller, and controller lights malfunction indicator lamp；Step 2.8 is performed if being closed；
Step 2.8, the coil windings of controller control main road closing relay are charged, and the normally opened of main road closing relay touches
Point is closed, and motor-operating mechanism detects that the normally opened contact of main road closing relay controls earth leakage protective device to close a floodgate after being closed；
Step 2.9, whether controller detection earth leakage protective device closes a floodgate, specifically, controller detects main road current transformer
Whether there is electric current, if there is electric current illustrates that earth leakage protective device has closed a floodgate, and perform step 2.10, if detected without electricity
Stream then illustrates that earth leakage protective device closes a floodgate and fails, and controller lights malfunction indicator lamp；
Step 2.10, controller control bypass separating brake relay coil winding is charged, and the normally closed of bypass separating brake relay is touched
Point disconnects, and then makes the coil windings dead electricity of by-pass switch 3, disconnects by-pass switch main contacts；
Step 2.11, whether the main contacts of controller detection by-pass switch disconnects, specifically, controller detects by-pass current
Whether mutual inductor has electric current, and if there is electric current illustrates by-pass switch failure, and controller lights malfunction indicator lamp, if do not had
Electric current then illustrates that the main contacts of by-pass switch is already off, this detects creepage protection function and terminates automatically, and recovered
To normal condition.
Preferably, in the method 1, during step 1.1 is performed to step 1.6, controller also detects electric leakage letter
Whether the normally opened contact of number relay is closed, if detecting that the normally opened contact of electric leakage signal relay is closed, controller if is sent out
Going out to disconnect the instruction of by-pass switch disconnects the main contacts of by-pass switch, if not detecting the normally opened of electric leakage signal relay
Contact closure then normally performs step 1.1 and arrives step 1.5；
In the method 1, after step 1.6 is performed, whether controller detection by-pass current mutual inductor has electric current, if
There is the main contacts that electric current then illustrates by-pass switch to be not turned off, by-pass switch is there are failure, and controller lights malfunction indicator lamp, such as
The main contacts that fruit does not have electric current then to illustrate by-pass switch is already off, and equipment is restored to normal condition.
Preferably, in the method 2, performing step 2.2 to during step 2.9, controller also detect electric leakage after
Whether the normally opened contact of electric appliance is closed, and controller sends disconnection bypass and opens if the normally opened contact of electric leakage signal relay is closed
The instruction of pass disconnects the main contacts of by-pass switch, if the normally opened contact for not detecting electric leakage signal relay is closed just
It often performs step 2.2 and arrives step 2.9.
Preferably, in the method 2, performing step 2.2 to during step 2.9, controller also detect electric leakage after
Whether the normally opened contact of electric appliance is closed, and controller sends disconnection bypass and opens if the normally opened contact of electric leakage signal relay is closed
The instruction of pass disconnects the main contacts of by-pass switch, if the normally opened contact for not detecting electric leakage signal relay is closed just
It often performs step 2.2 and arrives step 2.9.
Preferably, the control circuit is equipped with communication module, the communication module and controller electrical connection, the method
1 and method 2 in, after controller lights malfunction indicator lamp, fault message is sent communication module by controller, and communication module is led to
It crosses Internet of Things and is sent to maintenance personnel.
The beneficial effects of the present invention are：
1st, the advantageous effect that user side does not have a power failure when the invention Intelligent leakage protection switch has detection creepage protection function；
2nd, the invention Intelligent leakage protection switch has in detection of electrical leakage after earth leakage protective device separating brake, and by-pass switch has
Detection electric leakage and the advantageous effect for disconnecting by-pass switch automatically；
3rd, for the invention intelligent electricity leakage protector during detection of electrical leakage, by-pass switch has the function of overload protection；
4th, the invention Intelligent leakage protection switch has the advantageous effect of periodically automatic detection creepage protection function.
Description of the drawings
Fig. 1 is a kind of a kind of schematic diagram of embodiment of Intelligent leakage protection switch of the present invention,
Fig. 2 is a kind of a kind of front view of the protection controller of embodiment of Intelligent leakage protection switch of the present invention,
Fig. 3 is a kind of a kind of top view of the protection controller of embodiment of Intelligent leakage protection switch of the present invention,
Fig. 4 is A sectional views in Fig. 2,
Fig. 5 is B sectional views in Fig. 2,
Fig. 6 is a kind of a kind of electrical connection diagram of embodiment of Intelligent leakage protection switch of the present invention,
Fig. 7 is a kind of a kind of protection controller internal electric wiring of embodiment of Intelligent leakage protection switch of the present invention
Figure,
Fig. 8 is a kind of a kind of circuit of the bypass leakage detection function of embodiment of Intelligent leakage protection switch of the present invention
Figure.
In figure：
11st, motor-operating mechanism, 12, earth leakage protective device,
2nd, controller is protected, 3, by-pass switch,
21st, input terminal, 23, outlet terminal, 24, main road lead terminal, 25, bypass lead terminal, 26, bypass closes a floodgate control
Terminal processed, 27, bypass separating brake control terminal, 28, main road shutting-brake control terminal, 29, detection of electrical leakage terminal,
41st, first protrusion connecting rod, 42, second protrusion connecting rod, 51, test Electromagnetic push-button, 52, reset Electromagnetic push-button,
61st, button axle, 62, adsorpting iron plate, 63, electromagnetic coil, 64, spring, 65, limited block,
71st, power module, 72, controller,
K1, bypass closing relay, K2, bypass separating brake relay, K3, main road closing relay, K4, electric leakage signal relay
Device,
S1, test detection button switch, S2, reset detection button switch, SH, manual bypass switch knob, manually SF, side
Road opening button, L1, main road current transformer, L2, by-pass current mutual inductor.
Specific embodiment
To make technical scheme and advantageous effect clearer, embodiments of the present invention are done below further
Explain in detail.
A kind of Intelligent leakage protection switch as shown in Figure 1, including motor-operating mechanism 11, earth leakage protective device 12, further includes
The shunting device being fixedly connected with earth leakage protective device 12, shunting device includes the protection controller 2 to link together and bypass is opened
Close 3.Motor-operating mechanism 11 is a kind of device for controlling circuit-breaker switching on-off.One kind of Application No. 201310220676.7 is broken
The motor-operating mechanism of road device is exactly a kind of motor-operating mechanism for controlling miniature circuit breaker.Application No. 201410821977.X
The motor-operating mechanism of breaker a kind of be a kind of motor-operating mechanism of breaker of plastic casing.Earth leakage protective device 12 is a kind of inspection
It leaks hunting and electricity and connects a kind of protector for being capable of cut-off breaker, a kind of earth leakage protective device of Application No. 201420143191.2 is just
It is a kind of a kind of earth leakage protective device of miniature circuit breaker formula.By-pass switch 3 is a kind of controllable switching device, and common device has
Relay, contactor, switching tube, miniature circuit breaker etc..In the present invention, by-pass switch 3 is a contactor.Contactor refers to
Current induced magnetic field is flowed through using coil in industrial electro, makes contact closure, to reach the electric appliance of control load.Contactor mainly by
Contact system, electromagnetism actuating system, stent, auxiliary contact and shell (or chassis) composition, contact system include carrying out load
The main contacts of control and the auxiliary contact of cooperation control and detection.Main contacts is high power switch node, and auxiliary contact include
The normally opened contact and normally-closed contact of low capacity.
Overload protection function when preferably, in order to realize bypass operation, the selection of by-pass switch 3 carry motor-operating mechanism
Miniature circuit breaker.Protection controller 2 is the core component of the present invention, has control 12 splitting or integrating lock of earth leakage protective device, control bypass
It switchs 3 main contacts to switch on and off, control testing button, reset button, detection overcurrent, the function of electric leakage.
Protecting controller 2, for the ease of installing and improving security, protection controller 2 is equipped with shell as electrical equipment
Body is internally provided with control circuit in housing.Due to being equipped with testing button and reset button on the top of earth leakage protective device 12, it is
It realizes the automatic test of equipment and resets, it is necessary to which corresponding electric mechanism controls above-mentioned two button.Therefore in shell
The body one side adjacent with earth leakage protective device 12 is set there are two hollow protrusion connecting rod, and the first protrusion connecting rod 41 and second protrudes connecting rod
42.Transmission through hole is equipped in up and down two planes of the protrusion connecting rod close to the end of 12 one end of earth leakage protective device, in protrusion connecting rod
Be internally provided with Electromagnetic push-button.The testing button of the transmission through hole and earth leakage protective device 12 of first protrusion connecting rod 41 coincides with the upper and lower.
Electromagnetic push-button inside first protrusion connecting rod 41 is test Electromagnetic push-button 51.The transmission through hole of second protrusion connecting rod 42 is protected with electric leakage
The reset button of shield device 12 coincides with the upper and lower, and the Electromagnetic push-button inside the second protrusion connecting rod 42 is reset Electromagnetic push-button 52.
Test Electromagnetic push-button 51 resets electromagnetism and presses to realize that Electronic control presses the testing button on earth leakage protective device 12
Button 52 is realizing that Electronic control presses the reset button of earth leakage protective device 12.As shown in figure 4, in order to realize above-mentioned function, electricity
The component of magnetic button includes button axle 61, adsorpting iron plate 62, electromagnetic coil 63, spring 64.Electromagnetic coil 63 connects with protrusion
The lower part of the inside of bar is fixedly connected, and electromagnetic coil 63 is equipped with lead and its main body uses insulating materials casting forming.Electromagnetism
The ring heart of coil 63 is coincided with the upper and lower with transmission through hole.Button axle 61 is plugged on inside the ring heart of electromagnetic coil 63, and upper and lower two
It holds concordant with the lower planes of protrusion connecting rod.In order to realize the up and down motion of button axle 61, it is provided on the top of button axle 61
Adsorpting iron plate 62, adsorpting iron plate 62 are fixedly connected with button axle 61, therefore in the case where electromagnetic coil 63 is charged, adsorpting iron plate
62 are subject to attraction and button axle 61 are driven to move downward.In order to ensure that button axle 61 is multiple in the case of 63 dead electricity of electromagnetic coil
Position is provided with spring 64 between adsorpting iron plate 62 and electromagnetic coil 63.The upper and lower ends of spring 64 respectively with adsorpting iron plate 62
It is fixedly connected with electromagnetic coil 63.
As shown in figure 5, it preferably, in order to buffer when adsorpting iron plate 62 resets to the percussion for protruding connecting rod, is being driven
The lower part of through hole is provided with limited block 65, and limited block 65 is fixedly connected with the top inside protrusion connecting rod.In Electromagnetic push-button
Internal electro-solenoid 63 generate electromagnetic attraction be more than spring 64 elastic force, to ensure that button axle 61 can be pressed smoothly.
The protrusion connecting rod of housing is realizing that installation Electromagnetic push-button controls the testing button of earth leakage protective device 12 and reset
Button carries out electrical connection to realize that electrical control also needs to wire connection terminal, therefore is set in the front and rear of housing
There is major loop terminal, control terminal is additionally provided in the upper end of the forepart of housing.As shown in Figures 2 and 3, wherein the major loop of front side
Terminal is input terminal 21, to connect external power supply.The main circuit terminal attached bag at rear portion includes line terminals 23, main road lead terminal
24th, lead terminal 25 is bypassed.Outlet terminal 23 to connect the use electric loading of user side, distinguish by main, bypass lead terminal 24,25
To connect the output terminal of earth leakage protective device 12, by-pass switch 3, in the inside of protection controller 2, outlet terminal 23, master, bypass
Lead terminal 24,25 simultaneously connects.The function of major loop terminal is the access for the high current for connecting user load and power supply, to
Realize that the break-make control in the circuit of high current also needs to control loop, therefore there is provided control terminal, including bypassing shutting-brake control
Terminal 26, bypass separating brake control terminal 27, main road shutting-brake control terminal 28.Splitting or integrating lock control terminal 27,27 is bypassed to control
By-pass switch 3 switches on and off, and main road shutting-brake control terminal 28 is controlling the combined floodgate of earth leakage protective device 12.Due to alternating current electricity
Source is mostly a firewire and a zero curve, and control device interface needs two nodes therefore in major loop terminal mentioned in this article
All it is the terminal of two point with control terminal.
The above are the descriptions to protecting 2 structure of controller, and to realize automatic leakage tests, power-off leakage electrical testing does not need also
Want core, that is, control circuit of core component.Control circuit is arranged on the inside of housing, and control circuit is typically to be produced on pcb board
On, some larger or bulky electronic components are mounted on the inside of housing.As shown in fig. 7, control circuit includes power module
71st, controller 72, bypass closing relay K1, bypass separating brake relay K2, main road closing relay K3.
The alternating current of alternating current 220V is converted electricity by power module 71 to give the electrical equipment power supply of protection controller 2
The low-voltage dc power supply that sub- component is supported.Therefore the input terminal of power module 71 and input terminal 21 are located at the one of enclosure interior
End electrical connection.The output terminal and controller 72 of power module 71 are electrically connected.In order to realize the control to relay, Electromagnetic push-button
System, coil windings, the coil windings of main road closing relay K3 and the controller 72 of bypass splitting or integrating lock relay K1, K2 are electrical
Connection.Test Electromagnetic push-button 51, the electromagnetic coil 63 of reset Electromagnetic push-button 52 and controller 72 are electrically connected.
In order to make the present invention more practical, in addition to it can automatically control test leakage function, it is also necessary to can carry out manually
Test, therefore manual bypass switch knob SH and manual bypass opening button SF is provided in the upper plane of housing.Due to
Contactor that the embodiment of the present invention uses, it is necessary to control to contactor main contacts is realized in the control for carrying out electric loop, because
This manual bypass switch knob SH is normally opened button, and manual bypass opening button SF is normally closed button.It malfunctions in order to prevent, hand
The upper surface of dynamic bypass splitting or integrating lock button SH, SF are concordant with the upper surface of housing.The above are each electronics members of composition control circuit
Part is below described the circuit connecting relation of control circuit.
First, the connection control circuit of by-pass switch 3.The both ends and bypass for bypassing the normally opened contact of closing relay K1 are closed a floodgate
Two nodes electrical connection of control terminal 26, to realize the externally output reclosing command of controller 72；Manual bypass combined floodgate is pressed
Button SH is in parallel with the normally opened contact for bypassing closing relay K1, and to realize manual test when externally exports reclosing command.2nd, it is other
The control circuit that way switch 3 disconnects.After the normally-closed contact series connection of manual bypass opening button SF and bypass separating brake relay K2 simultaneously
It is connected on two nodes of bypass separating brake control terminal 27, either controller 72 sends instruction at this time, is still manually pressed by manually
Opening button SF is bypassed, control instruction can be all will be switched off and be output on bypass separating brake control terminal 27.3rd, earth leakage protective device 12
Contacting controling circuit.The both ends of the normally opened contact of main road closing relay K3 and the both ends of main road shutting-brake control terminal 28 electrically connect
Connect, when having manual test, operating personnel and directly operate earth leakage protective device 12, therefore be not provided with main road close a floodgate it is manual by
Button.
The above are the description of the internal circuit to protecting controller 2, the below motor-operating mechanism 11 to the present invention, electric leakages
Electric connecting relation between protector 12, protection controller 2 and by-pass switch 3 carries out buying description.
As shown in fig. 6, according to circuit diagram：First, the electrical connection of major loop is described.The electricity of earth leakage protective device 12
Source and input terminal 21 simultaneously connect, and the load end and main road lead terminal 24 of earth leakage protective device 12 are electrically connected.By-pass switch 3
The end of incoming cables of main contacts and input terminal 21 simultaneously connect, and the leading-out terminal and bypass lead terminal 25 of the main contacts of by-pass switch 3 are electrical
Connection.2nd, the electrical connection of control loop.The control power supply and zero firewire of input terminal 21 of motor-operating mechanism 11 electrically connect
It connects.The shutting-brake control input terminal and main road shutting-brake control terminal 28 of motor-operating mechanism 11 are electrically connected.The line of by-pass switch 3
Circle winding and bypass shutting-brake control terminal 26 are attempted by after connecting between zero firewire of input terminal 21.Bypass separating brake control terminal
27 and by-pass switch 3 normally opened contact series connection after combined floodgate terminal 26 and connect with bypass.
Preferably, in order to which the present invention is made to have better safety and reliability, protection controller 2 is examined equipped with actuating signal
Device is surveyed, whether is acted to detection executive component after sending control instruction in controller 72.
Button switch is provided on 63 top of electromagnetic coil of Electromagnetic push-button first, it is whether true for detecting button axle 61
Positive presses.It tests the button switch on 63 top of electromagnetic coil of Electromagnetic push-button 51 and switchs S1 for test detection button；Reset electricity
Button switch on the electromagnetic coil 63 of magnetic button 52 is reset detection button switch S2.It tests detection button switch S1, reset
Detection button switch S2 is electrically connected respectively with controller 72.
Secondly it is arranged main, bypass electricity on outlet terminal 23 and firewire connecting line main, between bypass lead terminal 24,25
Current transformer L1, L2 are detecting the conducting of contact of earth leakage protective device 12 and by-pass switch 3 and the situation of disconnection.Main, bypass
The secondary lead-out wire and controller 72 of current transformer L1, L2 are electrically connected.
Finally, in order to indicate failure, malfunction indicator lamp is provided in the upper surface of housing.In order to represent different failures,
The number of malfunction indicator lamp may be configured as multiple.In order to make the present invention it is more compact, malfunction indicator lamp use light-emitting diodes
Pipe.Malfunction indicator lamp and controller 72 are electrically connected.
Preferably, in order to which the fault message tested automatically is prompted to maintenance management personnel, protection controller 2 is additionally provided with logical
Believe module.It is relatively common by the way of GPRS communications in the application of current electric system.Therefore one can be set
GPRS communication modules, GPRS communication modules and controller 72 are electrically connected, and controller 72 sends the fault message detected a
GPRS communication modules are given, GPRS communication modules send information by data network to maintenance personnel.
Preferably, the function that the present invention realizes can be ensured when testing the creepage protection function of earth leakage protective device 12
User side does not have a power failure, and has added by-pass switch 3 and protection controller 2 therefore, but still could when by-pass switch 3 works
The phenomenon that overloading, in order to increase the security reliability of the present invention, controller 72 is enough detected by by-pass current mutual inductor L2
The size of electric current detects whether overcurrent, therefore whether controller 72 more than setting value can control bypass to open according to electric current
Close 3 break-make.Preferably, can be used with motor-operating mechanism miniature circuit breaker as by-pass switch 3.
During by-pass switch 3 turns on, the phenomenon that except also occurring that electric leakage the problem of overloading.Such as Fig. 8
It is shown, preferably, electric leakage signal relay K4 is internally provided in earth leakage protective device 12.The coil windings of electric leakage signal relay K4
In parallel with the tripping coil of earth leakage protective device 12, the normally opened contact of electric leakage signal relay K4 passes through conducting wire and protection controller 2
Controller 72 be electrically connected.Therefore threading hole is equipped in the side of earth leakage protective device 12, to realize being pierced by for conducting wire；It is protecting
It protects and detection of electrical leakage terminal 29 is equipped at the control terminal of controller 2.The outside of detection of electrical leakage terminal 29 and electric leakage signal relay
The conducting wire connection of the normally opened contact of K4, the inside of detection of electrical leakage terminal 29 and controller 72 are electrically connected.
Based on said structure, the manual test that can realize creepage protection function of the invention and automatic test, below it is right
The application method of the present invention, which is done, to be illustrated.
Method 1, the method for manual test creepage protection function.Manual test is exactly by maintenance personnel's execute-in-place, tool
The step of body is：
Step 1.1, user side powers off in order to prevent, first connects the main contacts of by-pass switch 3, the mode of connection be by
The manual bypass switch knob SH on 2 top of lower protection controller.According to circuit structure, manual bypass switch knob SH is pressed
Afterwards, the coil windings of by-pass switch 3 are charged, and the main contacts circuit of by-pass switch 3 is connected.
Step 1.2, leakage tests are carried out.It is identical with the test of earth leakage protective device 12, it is surveyed by pressing testing button
Examination.Since the protrusion connecting rod of protection controller 2 covers the testing button of earth leakage protective device 12, it is therefore desirable to press test electromagnetism
The button axle 61 of button 51 presses the testing button of earth leakage protective device 12 by button axle 61.
Step 1.3, check whether earth leakage protective device 12 trips.Illustrate that creepage protection function is normal if tripping, it can
Continue to execute step 1.4；Illustrate 12 failure of earth leakage protective device if not tripping, it is necessary to repair or replace.
Step 1.4, earth leakage protective device 12 is resetted.Specifically, the button axle 61 for resetting Electromagnetic push-button 52 is pressed, it is multiple
The button axle 61 of position Electromagnetic push-button 52 moves downward and then presses the reset key of earth leakage protective device 12.
Step 1.5, by 12 closing by hand of earth leakage protective device.
Step 1.6, reset condition is recovered.Specifically, the manual bypass opening button SF on 2 top of protection controller is pressed,
According to circuit connecting relation, the coil windings dead electricity of by-pass switch 3, and then 3 main contacts of by-pass switch disconnects, and is restored to just
The state of beginning.Preferably, after by-pass switch 3 is disconnected, controller 72 detects whether by-pass current mutual inductor L2 has electric current, such as
The main contacts that fruit has electric current then to illustrate by-pass switch 3 does not disconnect, it is understood that there may be contact be sintered the problem of and controller 72 light
Malfunction indicator lamp；Illustrate that by-pass switch 3 is normal if no electric current.
Preferably, in order to carry out earth leakage protective in time for being connected in by-pass switch 3, step 1.5 is arrived performing step 1.1
During, whether the normally opened contact that controller 72 also detects electric leakage signal relay K4 is closed, if detecting electric leakage signal
The normally opened contact of relay K4 is closed, and the instruction that controller 72 then sends disconnection by-pass switch 3 makes the main contacts of by-pass switch 3 break
It opens, the normal step 1.1 that performs arrives step 1.5 if the normally opened contact for not detecting electric leakage signal relay K4 is closed.
The above are manual detection creepage protection functions, need detect every month one time due to earth leakage protective device 12, for
Busy maintenance personnel is a kind of work load, therefore the function of detecting automatically that the present invention develops.Below to automated periodic
Detection control method is described.
Time timer unit is internally provided in controller 72, the automatic start after the time cycle for detecting one month
Earth leakage detection functions, automatic earth leakage detection functions comprise the following steps：
Step 2.1, by-pass switch 3 is connected, specifically, the coil windings band of the control bypass closing relay of controller 72 K1
Electricity, the normally opened contact of bypass closing relay K1 are closed, and the main contacts of by-pass switch 3 is connected.
Step 2.2, whether controller 72 detects the main contacts of by-pass switch 3 and connects, if switch on then performing step 2.3,
Malfunction indicator lamp is lighted if being not switched on.The method whether detection by-pass switch 3 is connected is the detection bypass electricity of controller 72
Whether current transformer L2 has electric current, if there is electric current then illustrates to have turned on, illustrates to be not switched on if no electric current.
Step 2.3, creepage protection function is tested, specifically, controller 72 connects the electromagnetic coil of test Electromagnetic push-button 51
63, adsorpting iron plate 62 is subject to the effect of electromagnetic attraction that button axle 61 is driven to move downward, button axle 61 and then triggering electric leakage guarantor
Protect the testing button of device 12.
Step 2.4, whether detection test Electromagnetic push-button 51 performs the instruction that controller 72 is sent, specifically, controller 72
Whether detection test detection button switch S1 is closed, and illustrates to protect 2 failure of controller, and then controller 72 if not being closed
Malfunction indicator lamp is lighted, if be closed, illustrates that equipment is normal, step 2.5 can be continued to execute.
Step 2.5, controller 72 detects whether earth leakage protective device 12 disconnects, specifically, controller 72 detects main road electric current
Whether mutual inductor L1 has electric current, and if there is electric current illustrates that earth leakage protective device 12 is not turned off, and controller 72 is lighted failure and referred to
Show lamp, illustrate that earth leakage protective device 12 is already off if no electric current is detected, and perform step 2.6.
Step 2.6, earth leakage protective device 12 is resetted, specifically, controller 72 connects the electricity for resetting Electromagnetic push-button 52
Magnetic coil 63, the button axle 61 for resetting Electromagnetic push-button 52 move downward under the action of the adsorpting iron plate 62 of attraction is subject to, into
And press the reset button of earth leakage protective device 12.
Step 2.7, controller 72 detects whether reset detection button switch S2 is closed, and failure is lighted if not being closed
Indicator light performs step 2.8 if being closed；
Step 2.8, earth leakage protective device 12 is closed a floodgate, specifically, controller 72 controls the coil of main road closing relay K3
Winding is charged, and the normally opened contact of main road closing relay K3 is closed, and motor-operating mechanism 11 detects main road closing relay K3
Normally opened contact be closed after control earth leakage protective device 12 close a floodgate.
Step 2.9, whether detection earth leakage protective device 12 closes a floodgate, specifically, controller 72 detects main road current transformer L1
Whether there is electric current, if there is electric current illustrates that earth leakage protective device 12 has closed a floodgate, and step 2.10 is performed, if detecting does not have
Electric current then illustrates that earth leakage protective device 12 closes a floodgate and fails, and controller 72 lights malfunction indicator lamp；
Step 2.10, by-pass switch 3 is disconnected, specifically, the control bypass separating brake relay K2 coil windings bands of controller 72
Electricity, the normally-closed contact of bypass separating brake relay K2 disconnect, from the connection structure of circuit, at this time the coil of by-pass switch 3 around
Group dead electricity, the main contacts of by-pass switch 3 disconnect.
Step 2.11, whether the main contacts for detecting by-pass switch 3 disconnects, specifically, the detection by-pass current of controller 72 is mutual
Whether sensor L2 has electric current, if there is electric current illustrates 3 failure of by-pass switch, it is understood that there may be the problem of contact is sintered, and control
Device 72 lights malfunction indicator lamp；Illustrate that the main contacts of by-pass switch 3 is already off if no electric current, this automatic detection leakage
Electric protection function terminates, and has been restored to normal condition.
Preferably, in order to be that can continue to play earth leakage protective function in detection creepage protection function, step is being performed
2.2 into each step during step 2.9, and controller 72 detects whether electric leakage signal relay K4 is closed, if fruit is closed
The instruction that controller 72 then sends disconnection by-pass switch 3 disconnects the main contacts of by-pass switch 3；It is normal if not examining and being closed
It performs step 2.2 and arrives step 2.9.
Preferably, during method 1 and method 2 is performed, after controller 72 lights malfunction indicator lamp, controller 72
Fault message is sent to communication module, fault message is sent to plant maintenance personnel by communication module by Internet of Things.
In conclusion only presently preferred embodiments of the present invention, is not used for limiting the scope of the present invention, by above-mentioned
Description, relevant staff can carry out various change without departing from the scope of the technological thought of the present invention' completely
More and change.The technical scope of the present invention is not limited to the content on specification, all claimed range institutes under this invention
The shape stated, construction, feature and the so-called equivalent changes and modifications of spirit, should all include and scope of the presently claimed invention
It is interior.
Claims (5)
- A kind of 1. leakage tests method for ensureing user's normal electricity consumption, it is characterised in that：This method uses a kind of Intelligent leakage protection switch,A kind of Intelligent leakage protection switch include with motor-operating mechanism (11) earth leakage protective device (12), further include with The shunting device that earth leakage protective device (12) is fixedly connected, the shunting device include the protection controller (2) that links together and By-pass switch (3)；The protection controller (2) includes integrally formed housing, and the enclosure interior is equipped with control circuit；The housing and leakage The adjacent one side of non-electricity protector (12) there are two protrusion connecting rod, it is described protrusion connecting rod for hollow structure and with enclosure interior phase Logical, two protrusion connecting rods are respectively first and second protrusion connecting rod (41,42), and the protrusion connecting rod is located at earth leakage protective device (12) Top, and protrude up and down two planes of the connecting rod close to one end of earth leakage protective device (12) and be equipped with transmission through hole, the protrusion Connecting rod is internally provided with Electromagnetic push-button, and the internal Electromagnetic push-button of the first protrusion connecting rod (41) is test Electromagnetic push-button (51), and second is convex Go out the internal Electromagnetic push-button of connecting rod (42) to reset Electromagnetic push-button (52), the transmission through hole of the first protrusion connecting rod (41) and leakage The position of the testing button of non-electricity protector (12) coincides with the upper and lower, the transmission through hole and earth leakage protective of the second protrusion connecting rod (42) The position of the reset button of device (12) coincides with the upper and lower；The front and rear of the housing is equipped with major loop terminal, housing forepart Upside is equipped with control terminal, and the major loop terminal of the forepart is input terminal (21), and the main circuit terminal attached bag at the rear portion includes Outlet terminal (23), main road lead terminal (24), bypass lead terminal (25), the control terminal include bypass shutting-brake control end Sub (26), bypass separating brake control terminal (27), main road shutting-brake control terminal (28), the major loop terminal and control terminal are The terminal of two point；The Electromagnetic push-button includes button axle (61), adsorpting iron plate (62), electromagnetic coil (63), spring (64), institute State button axle (61) be plugged on transmission through hole in and button axle (61) upper and lower ends respectively with protrude connecting rod lower planes Concordantly, the electromagnetic coil (63) is set in the lower part of button axle (61), and is fixedly connected with the inside of protrusion connecting rod, described Adsorpting iron plate (62) is located at the top of electromagnetic coil (63) and is fixedly connected with button axle (61), and the spring (64), which is arranged on, inhales Between attached iron plate (62) and electromagnetic coil (63), and the both ends of spring (64) respectively with adsorpting iron plate (62), electromagnetic coil (63) it is fixedly connected；The lower part of the transmission through hole is equipped with limited block (65), the limited block (65) and the inner wall of housing It is fixedly connected；The top of the electromagnetic coil (63) of the Electromagnetic push-button is equipped with button switch, is to detect adsorpting iron plate (62) No action tests the button switch in Electromagnetic push-button (51) and switchs (S1) for test detection button, it is interior to reset Electromagnetic push-button (52) The button switch in portion is reset detection button switch (S2), the test detection button switch (S1), reset detection button switch (S2) it is electrically connected with controller (72)；The by-pass switch (3) is contactor；The control circuit includes power module (71), controller (72), bypass closing relay (K1), bypass separating brake relay (K2), main road closing relay (K3), it is described Bypass coil windings, the coil windings of main road closing relay (K3) and controller (72) electricity of splitting or integrating lock relay (K1, K2) Gas connects, the electromagnetic coil (63) of the test Electromagnetic push-button (51), the electromagnetic coil (63) for resetting Electromagnetic push-button (52) and control Device (72) electrical connection processed；The top of the housing is equipped with manual bypass switch knob (SH) and manual bypass opening button (SF), the manual bypass switch knob (SH) be normally opened button, the manual bypass opening button (SF) be normally closed button, institute State the upper surface of manual bypass splitting or integrating lock button (SH, SF) and the flush of the housing of protection controller (2)；The housing Upper surface be equipped with multiple malfunction indicator lamp, the malfunction indicator lamp is light emitting diode, and is electrically connected with controller (72) It connects；The input terminal of the power module (71) and the electrical connection of the zero of input terminal (21), firewire, the output of power module (71) End is electrically connected with controller (72)；The both ends of the normally opened contact of the bypass closing relay (K1) and bypass shutting-brake control end The two-end-point electrical connection of sub (26), the manual bypass switch knob (SH) and the normally opened contact of bypass closing relay (K1) And connect, it is attempted by bypass point after the normally-closed contact series connection of the manual bypass opening button (SF) and bypass separating brake relay (K2) The both ends of lock control terminal (27), the both ends of the normally opened contact of the main road closing relay (K3) and main road shutting-brake control terminal (28) two-end-point electrical connection；The power end and input terminal (21) of the earth leakage protective device (12) simultaneously connect, earth leakage protective device (12) load end and main road lead terminal (24) simultaneously connect, inside housings main road lead terminal (24), bypass lead terminal (25) with outlet terminal (23) and connecing；It is covered on firewire connecting line between the outlet terminal (23) and main road lead terminal (24) Equipped with main road current transformer (L1), leading-out terminal and controller (72) electrical connection of the main road current transformer (L1), institute It states and is arranged with by-pass current mutual inductor (L2), institute on the firewire connecting line between outlet terminal (23) and bypass lead terminal (15) State the leading-out terminal of by-pass current mutual inductor (L2) and controller (72) electrical connection；The master, by-pass current mutual inductor (L1, L2) To determine whether the contact of earth leakage protective device (12), by-pass switch (3) disconnects by detecting whether that there are electric currents；The electricity The control power supply of pneumatic operating mechanism (11) is connected with zero firewire of input terminal (21), the shutting-brake control of motor-operating mechanism (11) Terminal and main road shutting-brake control terminal (28) electrical connection；The coil windings of the by-pass switch (3) and bypass shutting-brake control end It is attempted by after sub (26) series connection between zero firewire of input terminal (21), the bypass separating brake control terminal (27) and by-pass switch (3) with bypassing shutting-brake control terminal (26) and connecing, the end of incoming cables of the main contacts of the by-pass switch (3) after normally opened contact series connection It is electrically connected with input terminal (21), the leading-out terminal and bypass lead terminal (25) of the main contacts of by-pass switch (3) are electrically connected； The outlet terminal (23) of the protection controller (2) and user load electrical connection, the input terminal (21) of protection controller (2) It is electrically connected with power supply grid；The earth leakage protective device (12) is internally provided with electric leakage signal relay (K4), the electric leakage signal The coil windings of relay (K4) are in parallel with the electric leakage tripping coil of earth leakage protective device (12), the control of the protection controller (2) Terminal processed further includes detection of electrical leakage terminal (29), detection of electrical leakage terminal (29) and controller (72) electrical connection, the electric leakage letter The detection of electrical leakage terminal (29) that the normally opened contact of number relay (K4) passes through conducting wire and protection controller (2) is electrically connected；The leakage tests method for ensureing user's normal electricity consumption includes following methods：Method 1, the method that manual test creepage protection function is carried out in the case where earth leakage protective device (12) works normally：Step 1.1, manual bypass switch knob (SH) is pressed, connects by-pass switch (3)；Step 1.2, the button axle (61) of test Electromagnetic push-button (51) is pressed, the button axle (61) of test Electromagnetic push-button (51) is downward It slides and then drives the testing button of earth leakage protective device (12), earth leakage protective device (12) detects that testing button starts after pressing and jumps Lock acts；Step 1.3, check whether earth leakage protective device (12) trips, earth leakage protective device (12) failure is illustrated if not tripping, and Checked and replaced earth leakage protective device (12)；If tripping, illustrate that earth leakage protective device (12) function is normal and performs step 1.4；Step 1.4, the button axle (61) for resetting Electromagnetic push-button (52) is pressed, the button axle (61) for resetting Electromagnetic push-button (52) is downward It slides and then drives the reset button of earth leakage protective device (12), earth leakage protective device (12) detects that reset button is leaked electricity after pressing and protects Device (12) is protected to reset；Step 1.5, it is closed earth leakage protective device (12)；Step 1.6, manual bypass opening button (SF) is pressed, by by-pass switch (3) disjunction, completes test；Method 2, the control method of periodically automatic test leakage function：Controller (72) is internally provided with time timer unit, starts autorun after the time cycle of one month,Step 2.1, the coil windings of controller (72) control bypass closing relay (K1) are charged, bypass closing relay (K 1) normally opened contact is closed, and the main contacts of by-pass switch (3) is connected；Step 2.2, whether the main contacts of controller (72) control detection by-pass switch (3) is connected, if be not switched on, controller (72) malfunction indicator lamp is then lighted；If it is switched on, then perform step 2.3；The method of detection is controller (72) detection bypass electricity Whether current transformer (L2) has electric current, if there is electric current then illustrates to have turned on, illustrates to be not switched on if no electric current；Step 2.3, controller (72) connects the electromagnetic coil (63) of test Electromagnetic push-button (51), the suction of test Electromagnetic push-button (51) Attached iron plate (62) slide downward and then drives test Electromagnetic push-button (51) to press in the case where being subject to the suction of electromagnetic coil (63) Key axis (61) moves down and presses the testing button of earth leakage protective device (12)；Step 2.4, whether controller (72) detection test detection button switch (S1) is closed, and illustrates to test if not being closed Electromagnetic push-button (51) is not carried out the instruction of controller (72) and controller (72) lights malfunction indicator lamp；It is performed if being closed Step 2.5；Step 2.5, whether the switch contact of controller (72) detection earth leakage protective device (12) disconnects, specifically, controller (72) Whether detection main road current transformer (L1) has electric current, if there is electric current illustrates that earth leakage protective device (12) contact is not turned off, and And controller (72) lights malfunction indicator lamp；Illustrate that earth leakage protective device (12) is already off if no electric current is detected, and And perform step 2.6；Step 2.6, controller (72) connects the electromagnetic coil (63) for resetting Electromagnetic push-button (52), resets pressing for Electromagnetic push-button (52) Key axis (61) is driven and moved downward by adsorpting iron plate (62), and then presses the reset button of earth leakage protective device (12)；Step 2.7, whether controller (72) detection reset detection button switch (S2) is closed, and illustrates to reset if not being closed Electromagnetic push-button (52) performs the instruction failure of controller (72), and controller (72) lights malfunction indicator lamp；If being closed Perform step 2.8；Step 2.8, the coil windings of controller (72) control main road closing relay (K3) are charged, main road closing relay (K3) Normally opened contact be closed, motor-operating mechanism (11) detect main road closing relay (K3) normally opened contact be closed after control leakage Non-electricity protector (12) closes a floodgate；Step 2.9, whether controller (72) detection earth leakage protective device (12) closes a floodgate, specifically, controller (72) detection main road electricity Whether current transformer (L1) has electric current, if there is electric current illustrates that earth leakage protective device (12) has closed a floodgate, and performs step 2.10, Illustrate that earth leakage protective device (12) closes a floodgate if no electric current is detected to fail, and controller (72) lights malfunction indicator lamp；Step 2.10, controller (72) control bypass separating brake relay (K2) coil windings are charged, bypass separating brake relay (K2) Normally-closed contact disconnect, and then make the coil windings dead electricity of by-pass switch 3, disconnect by-pass switch (3) main contacts；Step 2.11, whether the main contacts of controller (72) detection by-pass switch (3) disconnects, specifically, controller (72) detects Whether by-pass current mutual inductor (L2) has electric current, and if there is electric current illustrates by-pass switch (3) failure, and controller (72) is lighted Malfunction indicator lamp illustrates that the main contacts of by-pass switch (3) is already off if no electric current, this detects earth leakage protective automatically Function terminates, and has been restored to normal condition.
- 2. a kind of leakage tests method for ensureing user's normal electricity consumption according to claim 1, it is characterised in that：In the method 1, during step 1.1 is performed to step 1.6, controller (72) also detects electric leakage signal relay (K4) whether normally opened contact is closed, if detecting that the normally opened contact of electric leakage signal relay (K4) is closed, controller (72) Then send disconnect by-pass switch (3) instruction disconnect the main contacts of by-pass switch (3), if do not detect electric leakage signal after The normally opened contact of electric appliance (K4), which is closed, then normally performs step 1.1 to step 1.5；In the method 1, after step 1.6 is performed, whether controller (72) detection by-pass current mutual inductor (L2) has electric current, If there is electric current then illustrates that the main contacts of by-pass switch (3) is not turned off, there are failure, controller (72) points for by-pass switch (3) Bright malfunction indicator lamp illustrates that the main contacts of by-pass switch (3) is already off if no electric current, and equipment is restored to normal shape State.
- 3. a kind of leakage tests method for ensureing user's normal electricity consumption according to claim 1, it is characterised in that：In the method 2, during step 2.2 is performed to step 2.9, controller (72) also detects leakage relay (K4) Normally opened contact whether be closed, it is other to send disconnection for controller (72) if the normally opened contact of electric leakage signal relay (K4) is closed The instruction of way switch (3) disconnects the main contacts of by-pass switch (3), if not detecting the normal of electric leakage signal relay (K4) It opens contact closure and then normally performs step 2.2 to step 2.9.
- 4. a kind of leakage tests method for ensureing user's normal electricity consumption according to claim 1, it is characterised in that：In the method 2, during step 2.2 is performed to step 2.9, controller (72) also detects leakage relay (K4) Normally opened contact whether be closed, it is other to send disconnection for controller (72) if the normally opened contact of electric leakage signal relay (K4) is closed The instruction of way switch (3) disconnects the main contacts of by-pass switch (3), if not detecting the normal of electric leakage signal relay (K4) It opens contact closure and then normally performs step 2.2 to step 2.9.
- 5. a kind of leakage tests method for ensureing user's normal electricity consumption according to claim 1, it is characterised in that：The control circuit is equipped with communication module, the communication module and controller (72) electrical connection, the method 1 and method In 2, after controller (72) lights malfunction indicator lamp, fault message is sent a communication module, communication module by controller (72) Maintenance personnel is sent to by Internet of Things.
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| CN114498553B (en) * | 2022-04-15 | 2022-07-22 | 深圳市恒讯通电子有限公司 | Electromagnetic control-based leakage protection relay |
| CN117393387A (en) * | 2023-10-20 | 2024-01-12 | 浙江卓瑞微智能制造有限公司 | Household intelligent circuit breaking protection device |
| CN117393387B (en) * | 2023-10-20 | 2024-04-19 | 浙江卓瑞微智能制造有限公司 | Household intelligent circuit breaking protection device |
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| CN108061838B (en) | 2019-12-10 |
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Effective date of registration: 20191119 Address after: 325200 Development Zone, Ruian Economic Development Zone, Wenzhou, Zhejiang Applicant after: Zhejiang Changsheng Filter Co., Ltd. Address before: 255000 Unicom Road, Zibo New District, Shandong, Zibo Applicant before: Zibo Vocational Institute |
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