CN104966955B - A kind of Intelligent safety socket and its control method - Google Patents
A kind of Intelligent safety socket and its control method Download PDFInfo
- Publication number
- CN104966955B CN104966955B CN201510390505.8A CN201510390505A CN104966955B CN 104966955 B CN104966955 B CN 104966955B CN 201510390505 A CN201510390505 A CN 201510390505A CN 104966955 B CN104966955 B CN 104966955B
- Authority
- CN
- China
- Prior art keywords
- contact
- plug
- strip
- detection module
- impedance
- 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.)
- Active
Links
Landscapes
- Keying Circuit Devices (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention discloses a kind of Intelligent safety socket and its control method, socket includes the first two keys relay, the second two keys relay, insert state monitoring/detection module, single alarm, impedance operator detection module and electric current and the waveform detection module that are connected with microprocessor, by the insert state of insert state monitoring/detection module test plug, and closed a floodgate according to load impedance characteristic and the lock that broken.The energization that only can just be closed a floodgate when normal plug insert state and load impedance characteristic satisfaction setting is detected of the invention, and real-time monitoring can be carried out to plug insert state, it is more safe and reliable；Switch closing and switch opening is carried out according to load impedance characteristic, electric arc and electric spark is eliminated, it is ensured that electricity consumption and personal safety, and reduce current noise, realize green power utilization；After abnormal conditions occur, self-inspection again starts, and when abnormal conditions are removed, self- recoverage normal operating conditions reaches self- recoverage purpose.
Description
Technical field
The present invention relates to safety utilization of electric power technical field, specially a kind of Intelligent safety socket and its control method.
Background technology
As production and living water product are improved constantly, electricity consumption product is increasing, and safety utilization of electric power and intelligent power become head
Want problem.Due to Electrical Safety produce fire, cause casualties, electric equipment damage etc. security incident happen occasionally,
Tremendous influence is brought to production and living.Electrical equipment increases, and behavior adjustment management difficulty is increased, the reduction of general safety unfailing performance.
Thus safety utilization of electric power, intelligent power are paid close attention to by more and more people.
The Intelligent safety socket having had at present, such as issued patents number are CN103715566A, announce the time
2014.04.09, a kind of patent of invention of issued patents entitled " safety socket of Based Intelligent Control ", its socket needs supporting special
With plug, without antispark treatment during insertion, there was only current detecting after energization, fail to be leaked electricity in real time, short-circuit detecting, still deposit
In potential safety hazard, and matched plug can only be used, use narrow scope.And for example issued patents number are CN103022823A, during bulletin
Between be 2013.04.03, the patent of invention of patent entitled " Intelligent safety socket " fails detection diplopore insertion or single during insertion
Hole is inserted, only simple to judge that resistive impedance is zero or infinitely great, even if external loading is short-circuit, because impedance is material attribute in itself,
Except low-temperature superconducting situation, impedance is not zero under normal temperature, it is impossible to reach security protection purpose.When impedance is infinitely great, do not do further
Judge, directly allow output circuit not work, in practical application, the electrical equipment with mechanical switch, such as fan, it is impossible to open
It is dynamic.Mostly it is powered plug when and for example present equipment is with electrical socket plug, there is very big potential safety hazard：One when being plug, may
Generation Danger Electric shock risk；Two is have electric arc to produce, and influences the stabilization of power grids, reduces the service life of socket and plate.For another example failure is sent out
After life, without self-inspection self- recoverage, experience is influenceed, fail to reach intelligent purpose.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide one kind can real-time monitoring/detection insert state, can eliminate
Plug electric arc and the self-healing Intelligent safety socket of electric spark, failture evacuation and its control method, technical scheme are as follows：
A kind of Intelligent safety socket, including the first two keys relay, insert state monitoring/detection module, microprocessor and
Alarm unit；First two keys relay includes coil Q1, plug-in strip K1 and K2, and corresponding with plug-in strip K1 and K2 difference the
One contact and the second contact, the microprocessor are connected to coil Q1, for control coil Q1 power on/off, plug-in strip K1 and K2 difference
It is connected with the N phases jack and L phase jacks of socket, the first contact and the second contact are connected respectively to the N phases and L phases of power transmission line；Institute
State the jack that insert state monitoring/detection module is connected to socket；The microprocessor is also respectively connected with insert state monitoring/inspection
Survey module and alarm unit.
Further, also including the second two keys relay, impedance operator detection module and electric current and waveform detection module；Institute
The first two keys relay is stated for dpdt relay, is also touched including the 3rd contact corresponding with plug-in strip K1 and K2 difference and the 4th
Point；Second two keys relay includes coil Q2, plug-in strip K5 and K6, and the 5th contact corresponding with plug-in strip K5 and K6 difference
With the 6th contact, the microprocessor is connected to coil Q2, and for control coil Q2 power on/off, plug-in strip K5 connects the 3rd contact,
Plug-in strip K6 connects the 4th contact, the 5th contact and the 6th contact portion to impedance operator detection module；The electric current and waveform are examined
Survey N phases and L phases that module is coupling-connected to power transmission line；The microprocessor is also respectively connected to impedance operator detection module and electricity
Stream and waveform detection module.
Further, also including wireless module, the signal transmission end of the wireless module is connected to microprocessor, power supply
Input is connected to power module.
A kind of control method of Intelligent safety socket, including：
1）Initialization：It is off-state to control the first two keys relay plug-in strip K1 and K2；
2）Start insert state monitoring/detection module detection insert state；
3）Start alarm unit alarm if insert state exception is detected；
4）Return to step 1 after the time delay T1 periods）；
5）If insert state is normal, the first two keys relay plug-in strip K1 and K2 is controlled to be touched with the first contact and second respectively
Point closes a floodgate.
A kind of control method of Intelligent safety socket, including：
A）Initialization：The first two keys relay plug-in strip K1 and K2 is controlled to throw respectively in the 3rd contact and the 4th contact, second
Two keys relay plug-in strip K5 and K6 disconnect；
B）Start insert state monitoring/detection module detection insert state；
C）Start alarm unit alarm if insert state exception is detected；
D）Return to step A after the time delay T1 periods）；
E）If insert state is normal, control the second two keys relay plug-in strip K5 and K6 respectively with the 5th contact and the 6th
Close a floodgate contact；
F）Start impedance operator detection module detection external load impedance characteristic and impedance value, and the impedance that will be detected
Value is compared with the impedance ranges [Z1, Z2] of built-in acquiescence；
G）If the impedance value for detecting is less than Z1, time delay detects external load impedance characteristic and impedance again after the T2 periods
Value, if the impedance value for detecting again is still less than Z1, judges external loading short circuit, starts alarm unit alarm, and time delay T1
The step 1 is returned after period）；
H）If the impedance value for detecting is more than Z2, periodically start impedance operator detection module detection external load impedance
Characteristic and impedance value, until the impedance value for detecting is when acquiescence impedance ranges [Z1, Z2] is interior, into next step；
I）If the impedance value for detecting then preserves the characteristic and impedance value of load in acquiescence impedance ranges [Z1, Z2], the
The plug-in strip separating brake of two two keys relay, and starting current and waveform detection module detection voltage waveform；
J controls the first two keys relay plug-in strip K1 and K2 to be touched with first respectively according to external load characteristics and voltage waveform
Point and the second contact are closed a floodgate.
Further, step J）Also include afterwards：
a）Starting current and waveform detection module gather the phase current per circuitry phase always；
b）The relation of the phase current according to every circuitry phase judges external loading ruuning situation；
c）If external loading operation exception, the first two keys relay is controlled according to external load characteristics and voltage waveform
Plug-in strip K1 and K2 close a floodgate with the 3rd contact and the 4th contact respectively；
d）If insert state monitoring/detection module monitors insert state exception, according to external load characteristics and voltage
Waveform controls the first two keys relay plug-in strip K1 and K2 to be closed a floodgate with the 3rd contact and the 4th contact respectively；
Return to the step B）Once.
Further, the specific of the first two keys relay plug-in strip action is controlled according to external load characteristics and voltage waveform
Method is：
If external loading is inductive load, closed a floodgate or separating brake at the crest of voltage；
If external loading is resistive or capacitive load, closed a floodgate or separating brake at voltage over zero.
Further, it is described with judging that the method for external loading ruuning situation includes according to phase current：
If being zero per phase current, it is judged to that external loading mechanical switch disconnects；
If L phase currents are unequal with N phase currents, and difference is more than i1When, judge external load circuit electric leakage；
If L phases or N phase currents are more than threshold value i2When, judge load overload operation；
If L phase currents are equal to N phase currents, and are not equal to zero, and both less than threshold value i2When, external loading normal operation.
The beneficial effects of the invention are as follows：Plug insert state is normal and load impedance characteristic meets only detecting for the present invention
Can just be closed a floodgate energization during setting, and real-time monitoring can be carried out to plug insert state, more safe and reliable；According to load impedance
Characteristic carries out switch closing and switch opening, eliminates electric arc and electric spark, it is ensured that electricity consumption and personal safety, and reduce current noise, realize it is green
Color electricity consumption；After abnormal conditions occur, self-inspection again starts, and when abnormal conditions are removed, self- recoverage normal operating conditions reaches certainly
Recover purpose.
Brief description of the drawings
Fig. 1 is the electrical block diagram of Intelligent safety socket of the present invention.
Fig. 2 is the control method flow chart of Intelligent safety socket of the present invention.
Specific embodiment
With reference to specific the drawings and specific embodiments, the present invention will be further described.
As shown in figure 1, a kind of Intelligent safety socket, including the first two keys relay, the second two keys relay, insert state
Monitoring/detection module, impedance operator detection module, electric current and waveform detection module, microprocessor（MPU）, it is alarm unit, wireless
Module and AC/DC modules.
First two keys relay is dpdt relay, including coil Q1, plug-in strip K1 and K2, and with plug-in strip K1 and K2
Corresponding the first contact and the second contact positioned at high-voltage alternating end respectively, and the 3rd contact positioned at low-voltage alternating-current end and
Four contacts.Plug-in strip K1 and K2 are electrically connected with the N phases jack and L phases jack of socket respectively, and the first contact and the second contact are distinguished
It is connected to the N phases and L phases of power transmission line.Microprocessor is connected to coil Q1, by the logical of the control coil Q1 of control signal Ctrl 1
Power-off, then controls the location status of plug-in strip K1 and K1.During original state, the control coil Q1 current interruptions of Ctrl 1, plug-in strip K1
Closed a floodgate with the 3rd contact at low-voltage alternating-current end and the 4th contact respectively with K2, when needing to be closed a floodgate with high-voltage alternating end, microprocessor
Device controls plug-in strip K1 and K2 and low-pressure side separating brake, same time-division by the control coil Q1 current lead-throughs of control signal Ctrl 1
Do not closed a floodgate with first contact at high-voltage alternating end and the second contact.
Second two keys relay includes coil Q2, plug-in strip K5 and K6, and is touched with plug-in strip K5 and K6 difference the corresponding 5th
Point and the 6th contact, microprocessor is connected to coil Q2, by control signal Ctrl 2, the power on/off of control coil Q2, then
The location status of control plug-in strip K5 and K6.Plug-in strip K5 is electrically connected with the 3rd contact of the first two keys relay, plug-in strip K6 and
4th contact of one two keys relay is electrically connected.5th contact and the 6th contact portion are to impedance operator detection module.Initially
During state, the control coil Q2 current interruptions of control signal Ctrl 2, plug-in strip K5 and K6 and the 5th contact and the 6th contact separating brake；When
Microprocessor is closed by the control coil Q2 current lead-throughs of control signal Ctrl 2, plug-in strip K5 and K6 and the 5th contact and the 6th contact
Lock.
Insert state monitoring/detection module is physically connected to the jack of socket, receives the control signal Ctrl of microprocessor
The 4 insert state detections for carrying out plug.Specifically, each jack mouthful is provided with safety screen, each safety screen and a fine motion
Switch or metal proximity Hall switch are connected, and when the inserted sheet of plug inserts jack, safety screen is extruded, so as to touch and pacify
The microswitch or metal proximity Hall switch of full baffle plate linkage.The phosphorus for being connected with plug slice is provided with inside each jack
Copper splinter, the elastic deformation side of phosphor-copper shell fragment is connected with another microswitch or metal proximity Hall switch.When inserting for plug
After piece continues deeper into jack inside, phosphor-copper shell fragment is squeezed and deforms upon, so as to force the fine motion linked with phosphor-copper shell fragment to be opened
Close or the triggering of metal proximity Hall switch, change on off state.When the inserted sheet of plug fails to be contacted with phosphor-copper shell fragment completely, phosphorus
Because of deformation not enough, the microswitch or metal proximity Hall switch of linkage cannot trigger change state to copper splinter.N phases can be inserted
The microswitch or metal proximity Hall switch of hole safety screen linkage are named as N (top), the phosphor-copper shell fragment inside N phase jacks
Microswitch or Hall the metal approach switch of linkage are named as N（Bottom), same naming rule name L phases have L (top) and
L (bottom), when certain switch is touched, the level logic of the switch is designated as 1, and then logic is designated as 0 to untouched level.
During detection insert state, have in logic：N(top) & N（Bottom) ＆L (top) ＆ L (bottom), i.e., two jacks peaces
The microswitch of full baffle plate or the level logic of metal proximity Hall switch are golden with the microswitch or Hall of the linkage of phosphor-copper shell fragment
Belong to level logic and the computing of proximity switch, when four switches are all touched, logic operation result is 1, and testing result is double
Hole insertion is good, and insert state is normal；If certain switch is untouched, logic operation result is 0, and testing result is insertion shape
State exception, such as single hole are inserted, and diplopore half is inserted, and single hole inserts good single hole and inserts abnormal etc..Operation result passes through signal Sign7
Send to microprocessor.
Impedance operator detection module is used to detect the impedance operator and impedance value of external loading.Detailed process is：Control the
One double-pole relay shutter knife K1 and K2 throws in the 3rd contact at low-voltage alternating-current end and the 4th contact, the second two keys relay lock respectively
Knife K5 and K6 throw in the 5th contact and the 6th contact respectively, then start impedance operator detection module by control signal Ctrl 3.
Electric current and waveform detection module are coupling-connected to the N phases and L of power transmission line by voltage transformer summation current transformer
Phase, is sampled by AD and the voltage waveform at high-voltage alternating end is detected from voltage transformer secondary side；Adopted from Current Transformer Secondary side
Collect the phase current of each circuitry phase, and the signal that will be collected is sent to microprocessor.
Alarm unit can use acoustic-optic alarm, in plug insert state exception or abnormal load circuit, receive micro-
The signal Sign2 of processor, sends sound and light alarm, reminds user to fix a breakdown in time.
Wireless module is used to receive the signal Sign3 of microprocessor by the data such as abnormality alarming information and load impedance information
Send to mobile terminal device, and receive control terminal command parameter signal, and transmitted to microprocessor by signal Sign 5
Device.
AC/DC modules are power module, for coil Q1, the coil of the second two keys relay to the first two keys relay
Q2, insert state monitoring/detection module, impedance operator detection module, electric current and waveform detection module, microprocessor（MPU）, report
Alert unit and wireless module provide dc source.The input of AC/DC modules is connected to the N phases and L phases of power transmission line, output end point
The first two keys relay, the second two keys relay, insert state monitoring/detection module, impedance operator detection module, electricity are not connected
The power input of stream and waveforms detection mould, microprocessor, alarm unit and wireless module.
The control process of Intelligent safety socket of the present invention is specific as follows：
1. initialize：Jack output circuit is off when initial, the first two keys relay plug-in strip K1 and K2 difference
Throw in the 3rd contact and the 4th contact, the second two keys relay plug-in strip K5 and K6 disconnects.
2. microprocessor starts insert state monitoring/detection module detection insert state.
If 3. detecting insert state exception, start alarm unit alarm.Microprocessor（MPU) inserted according to jack
Status information Sign7 logic levels 0, judge insert state exception, send abnormality alarming information to mobile terminal device, and start
Sound and light alarm, the first two keys relay state and the second two keys relay state keep constant.
4. return to step 1 after the time delay T1 periods.T1 can set, and user can exclude the abnormal shape of plug according to sound and light alarm
State, insert state monitoring/detection module continues to detect insert state after the delay, until insert state is normal.
If 5. insert state is normal, control the second two keys relay plug-in strip K5 and K6 respectively with the 5th contact and the 6th
Contact is closed a floodgate, and is remained inserted into state-detection/monitoring modular and is started, real-time monitoring insert state.Specially：Work as microprocessor
（MPU）Receive insert state monitoring/detection module signal Sign7 logic states and remain 1, judge that jack insert state is normal
When, microprocessor（MPU) the control coil Q2 current paths of control signal Ctrl 2, make the second double-pole single-throw (D.P.S.T.) relay plug-in strip K5 and
K6 closes a floodgate with the 5th contact and the 6th contact respectively, the second double-pole single-throw (D.P.S.T.) relay is formed path with insertion external loading.
6. impedance operator detection module detection external load impedance characteristic and impedance value, and the impedance value that will be detected are started
Impedance ranges [Z1, Z2] with built-in acquiescence respective impedance characteristic are compared.Specifically：Microprocessor（MPU）Output control
The starting load impedance operator detection modules of signal Ctrl 3：There is module by low pressure power frequency, export power frequency low-voltage ac voltage,
By AD sample circuits, collection voltages current and phase difference and voltage x current value.As known to the public：In pure resistor element circuit,
Voltage and electric current always same-phase.The voltage at resistance two ends, current in phase position.On inductance, voltage always leading current 90
Degree；On the capacitor, voltage always 90 degree of lagging current.The impedance operator of the external loading of insertion jack can be derived accordingly,
And calculate the power frequency impedance value of external loading.Impedance operator detection module sends testing result by holding wire sign 1
To the microprocessor（MPU).The microprocessor according to testing result, the impedance ranges of the built-in acquiescence of selection correspondence [Z1,
Z2] it is compared.Above-mentioned impedance default scoping is specific：One acquiescence impedance ranges of capacitive load correspondence, inductive load correspondence
One acquiescence impedance ranges, resistive load one impedance default scoping of correspondence.Characteristic and acquiescence impedance ranges are stored in micro-
In processor, it is possible to the impedance value and characteristic of modification acquiescence are preserved by mobile terminal App, it is possible to which remarks correspondence load sets
Standby title, such as fan, perception, 0.8 ohm.
7. if detect the corresponding impedance value of impedance operator less than Z1, control signal Ctrl 1 is constant, control first
Two keys relay keeps "on" position with low-voltage alternating-current end, and time delay detects external load impedance characteristic and impedance again after the T2 periods
Value, if the impedance value for detecting again is still less than Z1, judges external loading short circuit, microprocessor（MPU）Sent out by Sign 2
Go out signal enabling exception acoustic-optic alarm, while microprocessor（MPU）Send signal sign 3 and send different by wireless module
Normal state warning information is to mobile terminal device.Return to step 1 after the time delay T1 periods again：User can be according to the prompting of sound and light alarm
The failure of short circuit is removed in time, system circulation to step 1 restarts detecting step, until load impedance value is in acquiescence impedance
In the range of, then normal startup recovers normal operating condition, and alarm is released, and sends recovery normal information to terminal device.
8. if the impedance value for detecting is more than Z2, assert that impedance value is infinity, then periodically start impedance operator inspection
Module detection external load impedance characteristic and impedance value are surveyed, such as：Cycle may be configured as 1 second, start 100 milliseconds, close 900 millis
Second.Until the impedance value for detecting is when acquiescence impedance ranges [Z1, Z2] is interior, into next step.The step can cancellation band it is organic
The equipment of tool switch after Abnormality remove the drawbacks of cannot use.
If the impedance value for 9. detecting then preserves impedance operator and the impedance of load in acquiescence impedance ranges [Z1, Z2]
Value, and sent to mobile terminal device the load characteristic and impedance value by wireless module.While starting current and waveform
Detection module detects the voltage waveform at the first two keys relay high-voltage alternating end, and makes the second two keys relay plug-in strip K5 and K6 points
Lock.
10. control the first two keys relay plug-in strip K1 and K2 timely according to the external load characteristics and voltage waveform for preserving
Closed a floodgate with the first contact and the second contact respectively simultaneously in suitable waveform position.The specific load in insertion jack is perception
During load, closed a floodgate at voltage crest；When the load for inserting jack is for resistive load and capacitive load, at voltage over zero
Close a floodgate.So can farthest reduce electric arc generation, keep the stabilization of power grids, it is ensured that electrical equipment and power customer's personal safety.
11. phase currents of starting current and waveform detection module collection per circuitry phase always in the process of running, and pass through
Live signal Sign 6 is transmitted to microprocessor.
12. microprocessors judge external loading ruuning situation according to the phase current per circuitry phase.Specifically：
If being zero per phase current, it is judged to that external loading mechanical switch disconnects；
If L phase currents are unequal with N phase currents, and difference is more than i1When,（Such as i1Take 30mA）, judge external load circuit
Electric leakage；
If L phases or N phase currents are more than threshold value i2When, judge load overload operation；
If L phase currents are equal to N phase currents, and are not equal to zero, and both less than threshold value i2When, external loading normal operation.
If 13. external loading operation exceptions, the first two keys relay is controlled according to external load characteristics and voltage waveform
Plug-in strip K1 and K2 close a floodgate with the first contact and the second contact separating brake and immediately with the 3rd contact and the 4th contact respectively.Specifically：
When the load for inserting jack is for inductive load, lock is punished in voltage crest, be resistive load and appearance in the load of insertion jack
Property load when, the separating brake at voltage over zero.
14. in the process of running, and any step monitors insert state exception, then according to external load characteristics and voltage
Waveform controls the first two keys relay plug-in strip K1 and K2 and the first contact and the second contact separating brake and is touched with the 3rd contact and the 4th
Point closes a floodgate.Specifically：When the load for inserting jack is for inductive load, lock is punished in voltage crest, in the load of insertion jack
During for resistive load and capacitive load, the separating brake at voltage over zero.
The step 2 is returned to after 15. separating brakes once, insert state and load impedance value and impedance operator is detected again,
Detect insert state normally, load impedance then recovers normal startup optimization state in the scope of acquiescence by step.
Claims (6)
1. a kind of Intelligent safety socket, it is characterised in that including the first two keys relay, insert state monitoring/detection module, micro-
Processor and alarm unit；First two keys relay includes coil Q1, plug-in strip K1 and K2, and distinguishes with plug-in strip K1 and K2
Corresponding first contact and the second contact, the microprocessor are connected to coil Q1 for control coil Q1 power on/off, plug-in strip K1
It is connected with the N phases jack and L phase jacks of socket respectively with K2, the first contact and the second contact are connected respectively to the N phases of power transmission line
With L phases；Insert state monitoring/the detection module is connected to the jack of socket；The microprocessor is also respectively connected with insertion shape
State monitoring/detection module and alarm unit；
Also include the second two keys relay, impedance operator detection module and electric current and waveform detection module；First double-pole after
Electrical equipment is dpdt relay, also including the 3rd contact corresponding with plug-in strip K1 and K2 difference and the 4th contact；Described second
Two keys relay includes coil Q2, plug-in strip K5 and K6, and the 5th contact corresponding with plug-in strip K5 and K6 difference and the 6th contact,
The microprocessor is connected to coil Q2 for control coil Q2 power on/off, and plug-in strip K5 connects the 3rd contact, plug-in strip K6 connections the
Four contacts, the 5th contact and the 6th contact portion are to impedance operator detection module；The electric current and waveform detection module coupling connect
It is connected to the N phases and L phases of power transmission line；The microprocessor is also respectively connected to impedance operator detection module and electric current and waveforms detection
Module.
2. Intelligent safety socket according to claim 1, it is characterised in that also including wireless module, the wireless module
Signal transmission end be connected to microprocessor, power input is connected to power module.
3. a kind of control method of Intelligent safety socket as claimed in claim 1, it is characterised in that including：
1）Initialization：It is off-state to control the first two keys relay plug-in strip K1 and K2；
2）Start insert state monitoring/detection module detection insert state；
3）Start alarm unit alarm if insert state exception is detected；
4）Return to step 1 after the time delay T1 periods）；
5）If insert state is normal, the first two keys relay plug-in strip K1 and K2 is controlled to be closed with the first contact and the second contact respectively
Lock；
Also include：
A）Initialization：The first two keys relay plug-in strip K1 and K2 is controlled to throw respectively in the 3rd contact and the 4th contact, the second double-pole
Relay plug-in strip K5 and K6 disconnect；
B）Start insert state monitoring/detection module detection insert state；
C）Start alarm unit alarm if insert state exception is detected；
D）Return to step A after the time delay T1 periods）；
E）If insert state is normal, control the second two keys relay plug-in strip K5 and K6 respectively with the 5th contact and the 6th contact
Close a floodgate；
F）Start impedance operator detection module detection external load impedance characteristic and impedance value, and the impedance value that will be detected with
The impedance ranges [Z1, Z2] of built-in acquiescence are compared；
G）If the impedance value for detecting is less than Z1, time delay detects external load impedance characteristic and impedance value again after the T2 periods,
If the impedance value for detecting again is still less than Z1, external loading short circuit is judged, start alarm unit alarm, and time delay T1 periods
After return to the step A）；
H）If the impedance value for detecting is more than Z2, periodically start impedance operator detection module detection external load impedance characteristic
And impedance value, until the impedance value for detecting is when acquiescence impedance ranges [Z1, Z2] is interior, into next step；
I）If the impedance value for detecting then preserves the characteristic and impedance value of load, second pair in acquiescence impedance ranges [Z1, Z2]
The plug-in strip separating brake of knife relay, and starting current and waveform detection module detection voltage waveform；
J）According to external load characteristics and voltage waveform control the first two keys relay plug-in strip K1 and K2 respectively with the first contact and
Close a floodgate the second contact.
4. the control method of Intelligent safety socket according to claim 3, it is characterised in that the step J）Also wrap afterwards
Include：
a）Starting current and waveform detection module gather the phase current per circuitry phase always；
b）The relation of the phase current according to every circuitry phase judges external loading ruuning situation；
c）If external loading operation exception, the first two keys relay plug-in strip is controlled according to external load characteristics and voltage waveform
K1 and K2 close a floodgate with the 3rd contact and the 4th contact respectively；
d）If insert state monitoring/detection module monitors insert state exception, according to external load characteristics and voltage waveform
The first two keys relay plug-in strip K1 and K2 is controlled to be closed a floodgate with the 3rd contact and the 4th contact respectively；
e）Return to the step B）Once.
5. the control method of the Intelligent safety socket according to claim 3 or 4, it is characterised in that special according to external loading
Property and voltage waveform control the first two keys relay plug-in strip act specific method be：
If external loading is inductive load, closed a floodgate or separating brake at the crest of voltage；
If external loading is resistive or capacitive load, closed a floodgate or separating brake at voltage over zero.
6. the control method of Intelligent safety socket according to claim 4, it is characterised in that the basis is per circuitry phase
The relation of phase current judges that the method for external loading ruuning situation includes：
If being zero per phase current, it is judged to that external loading mechanical switch disconnects；
If L phase currents are unequal with N phase currents, and difference is more than i1When, judge external load circuit electric leakage；
If L phases or N phase currents are more than threshold value i2When, judge load overload operation；
If L phase currents are equal to N phase currents, and are not equal to zero, and both less than threshold value i2When, external loading normal operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390505.8A CN104966955B (en) | 2015-07-03 | 2015-07-03 | A kind of Intelligent safety socket and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390505.8A CN104966955B (en) | 2015-07-03 | 2015-07-03 | A kind of Intelligent safety socket and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104966955A CN104966955A (en) | 2015-10-07 |
| CN104966955B true CN104966955B (en) | 2017-06-23 |
Family
ID=54220956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510390505.8A Active CN104966955B (en) | 2015-07-03 | 2015-07-03 | A kind of Intelligent safety socket and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104966955B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299902A (en) * | 2016-08-26 | 2017-01-04 | 张红 | A kind of control method of protection against electric shock smart jack |
| CN109980454B (en) * | 2017-12-27 | 2020-12-29 | 帕西·西姆公司 | Intelligent wiring device |
| CN108336532A (en) * | 2018-04-10 | 2018-07-27 | 中物联（天津）科技发展有限公司 | A kind of Internet of Things intelligent socket |
| CN108807076B (en) * | 2018-05-07 | 2020-06-23 | 深圳拓邦股份有限公司 | Relay control method, control panel, wall-mounted boiler and water heater |
| CN109787598B (en) * | 2018-12-21 | 2020-08-18 | 珠海格力电器股份有限公司 | Plug control device, electronic equipment and plug control method thereof |
| CN110007632A (en) * | 2019-04-26 | 2019-07-12 | 武汉汉镇既济电力设备有限公司 | A kind of circuit control method based on breaker |
| CN110297453B (en) * | 2019-07-17 | 2021-04-27 | 湖南联智科技股份有限公司 | Intelligent induction control socket and intelligent control method |
| CN113359962B (en) * | 2021-04-25 | 2022-08-19 | 山东英信计算机技术有限公司 | Fan hot plug method, system, equipment and medium |
| TWI805339B (en) * | 2022-04-26 | 2023-06-11 | 麻新電子股份有限公司 | Power extension cord |
| CN117526235A (en) * | 2023-09-04 | 2024-02-06 | 深圳市新力超精密连接器科技有限公司 | Socket circuit with time delay function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570707U (en) * | 2009-12-29 | 2010-09-01 | 西安芯派电子科技有限公司 | Intelligent remote controlled socket |
| CN102097718A (en) * | 2011-03-08 | 2011-06-15 | 福州大学 | Human body safety socket |
| CN202633603U (en) * | 2012-05-31 | 2012-12-26 | 湖南奥盟电器有限公司 | Safety socket |
| CN103022823A (en) * | 2012-12-11 | 2013-04-03 | 福建闽冠伟业智能科技有限公司 | Intelligent safety socket |
| CN203056269U (en) * | 2012-02-16 | 2013-07-10 | 福建闽冠伟业智能科技有限公司 | Intelligent safe socket |
| CN103560364A (en) * | 2013-10-15 | 2014-02-05 | 深圳市智远能科技有限公司 | Intelligent type switch socket with two-time form and intelligent type switch extension socket |
| CN203617494U (en) * | 2013-11-13 | 2014-05-28 | ***章 | Electric shock prevention socket |
| CN204720708U (en) * | 2015-07-03 | 2015-10-21 | 成都比善科技开发有限公司 | A kind of Intelligent safety socket |
-
2015
- 2015-07-03 CN CN201510390505.8A patent/CN104966955B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570707U (en) * | 2009-12-29 | 2010-09-01 | 西安芯派电子科技有限公司 | Intelligent remote controlled socket |
| CN102097718A (en) * | 2011-03-08 | 2011-06-15 | 福州大学 | Human body safety socket |
| CN203056269U (en) * | 2012-02-16 | 2013-07-10 | 福建闽冠伟业智能科技有限公司 | Intelligent safe socket |
| CN202633603U (en) * | 2012-05-31 | 2012-12-26 | 湖南奥盟电器有限公司 | Safety socket |
| CN103022823A (en) * | 2012-12-11 | 2013-04-03 | 福建闽冠伟业智能科技有限公司 | Intelligent safety socket |
| CN103560364A (en) * | 2013-10-15 | 2014-02-05 | 深圳市智远能科技有限公司 | Intelligent type switch socket with two-time form and intelligent type switch extension socket |
| CN203617494U (en) * | 2013-11-13 | 2014-05-28 | ***章 | Electric shock prevention socket |
| CN204720708U (en) * | 2015-07-03 | 2015-10-21 | 成都比善科技开发有限公司 | A kind of Intelligent safety socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104966955A (en) | 2015-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104966955B (en) | A kind of Intelligent safety socket and its control method | |
| US5003486A (en) | Programmable safety electrical socket controller | |
| KR100896894B1 (en) | Intelligence control device of cabinet-panel and control method | |
| CN105158625B (en) | A kind of ground detection device of household electrical appliance ground wire | |
| CN101853554A (en) | Fireproofing pre-warning monitoring method for unmanned base station and system thereof | |
| CN106549366B (en) | Power utilization safety detection protection circuit, switch device or socket | |
| Kim et al. | Clearing series AC arc faults and avoiding false alarms using only voltage waveforms | |
| CN110137900A (en) | A kind of current-limiting type electrical fireproof short circuit protection device and its short-circuit protection method | |
| CN204720708U (en) | A kind of Intelligent safety socket | |
| CN204992550U (en) | Electrical safety detects protection circuit, switchgear and socket | |
| CN207586358U (en) | A kind of tooling of the resistance to tested person of electrolytic capacitor surge voltage | |
| CN111025102B (en) | Low-voltage arc fault detection method and device based on voltage waveform analysis | |
| CN103311885A (en) | Electric leakage protection device | |
| CN204333487U (en) | The intelligent power saving radiation proof socket that a kind of computer is special | |
| CN203776651U (en) | Heating cooker with fault detection function | |
| CN107534287A (en) | Power safety device and equipment comprising same | |
| CN105096503A (en) | Detection device based on intelligent household power supply circuit | |
| CN110726249B (en) | Leakage protection device and method and electric water heater | |
| CN201638340U (en) | Fire prevention pre-alarm device for machine room of base station | |
| CN208859899U (en) | Earth leakage protective device and electric heater | |
| KR101572627B1 (en) | System for power saving | |
| CN207663241U (en) | A kind of medical operation electrode access times control system | |
| CN209496082U (en) | Power distribution network switchgear operating status safety monitoring system | |
| CN103311886A (en) | Electric leakage protection device for preventing mistaken power outrage | |
| CN108061846A (en) | A kind of frock of the resistance to tested person of electrolytic capacitor surge voltage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |