CN105610019A - Socket, plug virtual-plugging detection circuit, plug virtual-plugging detection device and plug virtual-plugging detection method - Google Patents
Socket, plug virtual-plugging detection circuit, plug virtual-plugging detection device and plug virtual-plugging detection method Download PDFInfo
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- CN105610019A CN105610019A CN201410617574.3A CN201410617574A CN105610019A CN 105610019 A CN105610019 A CN 105610019A CN 201410617574 A CN201410617574 A CN 201410617574A CN 105610019 A CN105610019 A CN 105610019A
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- socket
- testing circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
- H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
Abstract
The invention discloses a socket, a plug virtual-plugging detection circuit, a plug virtual-plugging detection device and a plug virtual-plugging detection method. The socket comprises a two-part clamping piece composed of a main clamping piece and an auxiliary clamping piece. When a plug is plugged into the socket, the plug contacts the main clamping piece to form a main closed circuit, the plug contacts the auxiliary clamping piece to form an auxiliary closed circuit, and the main closed circuit and the auxiliary closed circuit are connected in parallel. The detection circuit comprises a first detection circuit used for detecting the current on the main closed circuit, a second detection circuit used for detecting the current on the auxiliary closed circuit, a comparison circuit used for judging whether the ratio of the current on the main closed circuit to the current on the auxiliary closed circuit is within a preset range, and an alarm circuit used for sending out an alarm signal when the ratio of the current on the main closed circuit to the current on the auxiliary closed circuit is not within the preset range. According to the invention, plug virtual-plugging can be automatically detected in a timely manner.
Description
Technical field
The present invention relates to electronic communication field, relate in particular to empty the inserting of a kind of socket and plug and detect electricityRoad, device, method.
Background technology
In electronic product, often occur that power-line plug contacts not firm (namely empty inserting) with socket, fromAnd cause the situation of unit exception power down and system irregular operation to occur. Produce empty slotting reason, the one,Frame shake, the contact position of plug and socket gets loose; The 2nd, plug and socket quality of materials is not high, timeBetween one long, contact-making surface has the corrosion such as oxidation to cause loose contact. When plugs and sockets contacts when good, contactPart is all face contact, and when loose contact, may be line contact, even contacts.
For plug-loose, normally by visually observing with hand touching test whether judge plugs and socketsGet loose, be seated again if any the words that get loose. For judging contact-making surface loose contact, conventionally by insertingIn seat, increase temperature sensor, if loose contact, in plug and socket, the tactile surface resistance of metal intermediate plate will be obviouslyIncrease, after operation a period of time, temperature raises certainly, can give in advance temperature sensor setting threshold, whenDetected temperatures rises to certain threshold value with regard to trigger alarm.
Depend on manpower by visually observing with hand touching method of testing, socket needs regular manual maintenance,Inefficiency; Detect contact resistance mode by temperature sensor and belong to afterwards and remedy, can not find in timeLoose contact, need to move a period of time, although can effectively avoid accident, in can causing powering immediatelyDisconnected, appliance services is interrupted.
Summary of the invention
In view of this, the invention provides a kind of empty testing circuit, device, the method for inserting of socket and plug,Can be in time automatically test plug is empty inserts.
First aspect, provides a kind of socket, and the intermediate plate of described socket comprises by main folder sheet and sub-folder sheet structureThe two-part intermediate plate becoming, in the time that plug inserts described socket, described plug contacts formation with described main folder sheetPrimary path, described plug contacts with described sub-folder sheet and forms secondary path, described primary path and described secondary pathIn parallel.
In conjunction with first aspect, in the first embodiment of first aspect, on described secondary path, also compriseLarge current protection switch S1 and resistance R 6, wherein,
One end of described resistance R 6 is connected with described sub-folder sheet, the other end and described large current protection switch S1One end be connected;
The other end of described large current protection switch S1 is connected with AC power.
In conjunction with the first embodiment of first aspect, in the second embodiment of first aspect, instituteState large current protection switch S1 and comprise automatic citrcuit bearker or resettable fuse.
Second aspect, provides a kind of plug the empty testing circuit of inserting, and described testing circuit is for detection of plugWhether empty slotting in socket, the intermediate plate of described socket comprises the two-part being made up of main folder sheet and sub-folder sheet and presss from both sidesSheet, in the time that plug inserts described socket, described plug contacts with described main folder sheet and forms primary path, described inPlug contacts with described sub-folder sheet and forms secondary path, and described primary path is in parallel with described secondary path, described inspectionSlowdown monitoring circuit comprises:
The first testing circuit, for detection of the electric current on described primary path;
The second testing circuit, for detection of the electric current on described secondary path;
Comparison circuit, for judging the ratio of the electric current on electric current and the described secondary path on described primary pathWhether in default scope;
Warning circuit, for the ratio when electric current on electric current and described secondary path on described primary path notIn default scope time, send alarm signal.
In conjunction with second aspect, in the first embodiment of second aspect,
Described the first testing circuit comprises inductance L 1, diode D1, first integral hysteresis module and resistance R 1,Wherein, described inductance L 1 one end is connected with the positive pole of described diode D1, the other end and described resistance R 1One end is connected; One end of the negative pole of described diode D1 and described first integral hysteresis module and described comparisonCircuit is connected; The other end of described first integral hysteresis module is connected with the other end of described resistance R 1; InstituteOne end of stating resistance R 1 is also connected with the negative pole of dc source;
Described the second testing circuit comprises inductance L 2, diode D2, second integral hysteresis module and resistance R 2,Wherein, described inductance L 2 one end are connected with the positive pole of described diode D2, the other end and described resistance R 2One end is connected; One end of the negative pole of described diode D2 and described second integral hysteresis module and described comparisonCircuit is connected; The other end of described second integral hysteresis module is connected with the other end of described resistance R 2; InstituteOne end of stating resistance R 2 is also connected with the negative pole of described dc source.
In conjunction with the first embodiment of second aspect, in the second embodiment of second aspect, instituteState comparison circuit and comprise comparator, in the first input end of described comparator and described the first testing circuitThe negative pole of diode D1 is connected, two in the second input of described comparator and described the second testing circuitThe negative pole of utmost point pipe D2 is connected, the output of described comparator be connected with described warning circuit.
In conjunction with the second embodiment of second aspect, in the third embodiment of second aspect, instituteState warning circuit and comprise resistance R 5, alarm appliance and switch triode, wherein,
Described resistance R 5 one end are connected with the positive pole of described dc source, the other end and described alarm applianceOne end is connected;
The other end of described alarm appliance and the colelctor electrode of described switch triode are connected;
The emitter stage of described switch triode is connected with the output of the comparator in described comparison circuit, instituteState the base stage of switch triode and the negative pole of described dc source is connected.
In conjunction with the first embodiment of second aspect, in the 4th kind of embodiment of second aspect, instituteStating testing circuit also comprises:
Three testing circuit, described three testing circuit comprises large current protection switch S1 and resistance R 6, itsIn, one end of described resistance R 6 is connected with described sub-folder sheet, the other end and described large current protection switch S1Port one be connected; The port 2 of described large current protection switch S1 is connected with AC power, described large electric currentThe port 3 of protection switch is connected with the positive pole of described dc source, and port 4 is connected with described comparison circuit;
Described comparison circuit comprises comparator, resistance R 3, resistance R 4 and logic sum gate circuit, wherein,
The negative pole phase of diode D1 in the first input end of described comparator and described the first testing circuitConnect, the second input of described comparator is connected with the negative pole of the diode D2 in described the second testing circuit,The output of described comparator is connected with the first input end of described logic sum gate circuit;
The second input of described logic sum gate circuit and the port 4 of described large current protection switch S1 and instituteState resistance R 3 one end be connected, the first input end of described logic sum gate circuit also with one of described resistance R 4End is connected, and the output of described logic sum gate circuit is connected with described warning circuit;
Described resistance R 3 and the other end of R4 and the negative pole of described dc source are connected.
In conjunction with the 4th kind of embodiment of second aspect, in the 5th kind of embodiment of second aspect, instituteState warning circuit and comprise resistance R 5, alarm appliance and switch triode, wherein,
Described resistance R 5 one end are connected with the positive pole of described dc source, the other end and described alarm applianceOne end is connected;
The other end of described alarm appliance and the colelctor electrode of described switch triode are connected;
The output phase of the logic sum gate circuit in the emitter stage of described switch triode and described comparison circuitConnect, the base stage of described switch triode is connected with the negative pole of described dc source.
The third aspect, provides a kind of plug the empty checkout gear of inserting, and the empty checkout gear of inserting of described plug comprisesAs the socket that any one embodiment provided of first aspect or first aspect, and as second aspectOr the testing circuit that provides of any one embodiment of second aspect.
Fourth aspect, provides a kind of plug the empty detection method of inserting, and described detection method is for detection of plugWhether empty slotting in socket, the intermediate plate of described socket comprises the two-part being made up of main folder sheet and sub-folder sheet and presss from both sidesSheet, in the time that plug inserts described socket, described plug contacts with described main folder sheet and forms primary path, described inPlug contacts with described sub-folder sheet and forms secondary path, and described primary path is in parallel with described secondary path, described sideMethod comprises:
Detect the electric current on described primary path and described secondary path;
Judge that whether the ratio of the electric current on electric current and the described secondary path on described primary path is at default modelIn enclosing;
When the ratio of the electric current on the electric current on described primary path and described secondary path is not in default scopeTime, send alarm signal.
In conjunction with fourth aspect, in the first embodiment of fourth aspect, on described secondary path, also compriseLarge current protection switch S1 and resistance R 6, wherein, one end of described resistance R 6 is connected with described sub-folder sheet,The other end is connected with one end of described large current protection switch S1; Another of described large current protection switch S1End is connected with AC power;
Described method also comprises:
Whether detect described large current protection switch S1 disconnects;
In the time that described large current protection switch S1 disconnects, send alarm signal.
As can be seen from the above technical solutions, the present invention has the following advantages:
The clip design of socket is become two-part structure by the present invention, plug and main folder sheet and plug and sub-folder sheetBetween contact form alternate path, by detecting and judging the electric current on electric current and the secondary path on primary pathRatio whether in default scope, determine whether empty inserting of plug, and insert alarm in void. Therefore,The present invention can automatically detect empty inserting in time.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below will be in the embodiment of the present inventionThe accompanying drawing of required use is briefly described, and apparently, the accompanying drawing in the following describes is only thisSome embodiment of invention, for those of ordinary skill in the art, are not paying creative workUnder prerequisite, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the socket that Fig. 1 provides for the embodiment of the present invention;
The empty structural representation of inserting testing circuit of a kind of plug that Fig. 2 provides for the embodiment of the present invention;
The empty structural representation of inserting testing circuit of another kind of plug that Fig. 3 provides for the embodiment of the present invention;
Empty embodiment schematic diagram of checkout gear of inserting of a kind of plug that Fig. 4 provides for the embodiment of the present invention;
The empty schematic flow sheet of inserting detection method of a kind of plug that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe, obviously, described embodiment is only the present invention's part embodiment, instead of whole realitiesExecute example. Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative workThe every other embodiment obtaining under prerequisite, belongs to the scope of protection of the invention.
The invention provides a kind of empty testing circuit, device, the method for inserting of socket and plug, can be timelyAutomatically test plug is empty inserts.
Refer to Fig. 1, the structural representation of the socket that Fig. 1 provides for the embodiment of the present invention.
In the present embodiment, the intermediate plate of socket comprises the two-part intermediate plate being made up of main folder sheet and sub-folder sheet, whenWhen plug insertion socket, plug contacts with main folder sheet and forms primary path, and plug contacts with sub-folder sheet and forms pairPath, primary path is in parallel with secondary path.
In a specific embodiment, on secondary path, can also comprise large current protection switch S1 and resistanceR6, one end of resistance R 6 is connected with sub-folder sheet, and the other end is connected with one end of large current protection switch S1,The other end of large current protection switch S1 is connected with AC power.
Resistance R 6 can be selected the resistance that resistance is larger according to actual conditions, long-range to ensure secondary via resistanceIn primary path resistance, secondary passage current is much smaller than primary path electric current. Large current protection switch S1 can be in pairElectric current on path disconnects while being greater than predetermined current threshold value, to protect socket. For example,, when plug and main folderWhen sheet and sub-folder sheet all normally contact, the electric current on secondary path is less than predetermined current threshold value, large current protectionSwitch S 1 closure; And nonelastic when main folder sheet, while contact with plug, the electric current on secondary path will be greater thanPredetermined current threshold value, switch S 1 can disconnect. In specific implementation, large current protection switch S1 can selectSelect automatic citrcuit bearker or resettable fuse etc.
In the present embodiment, the clip design of socket is become to two-part structure, plug and main folder sheet and plug andBetween sub-folder sheet, contact forms alternate path, in the time that plug inserts, by observing large current protection switch S1Whether disconnection can learn that whether empty plug is slotting.
Introduce the empty testing circuit of inserting of plug provided by the invention below, empty the inserting of plug provided by the invention detectedWhether circuit is empty slotting in socket for detection of plug, and the intermediate plate of described socket comprises by main folder sheet and sub-folderThe two-part intermediate plate that sheet forms, in the time of plug insertion socket, plug contacts with main folder sheet and forms primary path,Plug contacts with sub-folder sheet and forms secondary path, and primary path is in parallel with secondary path.
Refer to Fig. 2, Fig. 2 shows for the empty structure of inserting testing circuit of a kind of plug that the embodiment of the present invention providesIntention, the empty testing circuit of inserting of plug of the present embodiment comprises:
The first testing circuit, for detection of the electric current on primary path;
The second testing circuit, for detection of the electric current on secondary path;
Comparison circuit, for the ratio that judges the electric current on electric current and the secondary path on primary path whether in advanceIf scope in;
Warning circuit, is not presetting for the ratio when electric current on electric current and secondary path on primary pathIn scope time, send alarm signal.
Wherein, the first testing circuit comprises inductance L 1, diode D1, first integral hysteresis module and resistanceR1. Inductance L 1 one end is connected with the positive pole of diode D1, and the other end is connected with one end of resistance R 1,The negative pole of diode D1 is connected with one end and the comparison circuit of first integral hysteresis module. First integral sluggishnessThe other end of module is connected with the other end of resistance R 1, one end of resistance R 1 also with the negative pole of dc sourceBe connected.
The second testing circuit comprises inductance L 2, diode D2, second integral hysteresis module and resistance R 2.Inductance L 2 one end are connected with the positive pole of diode D2, and the other end is connected with one end of resistance R 2; Two utmost pointsThe pipe negative pole of D2 and one end and the comparison circuit of second integral hysteresis module are connected; Second integral hysteresis moduleThe other end be connected with the other end of resistance R 2; One end of resistance R 2 is also connected with the negative pole of dc source.
Comparison circuit comprises comparator, the diode in the first input end of comparator and the first testing circuitThe negative pole of D1 is connected, the negative pole of the diode D2 in the second input and second testing circuit of comparatorBe connected, the output of comparator be connected with warning circuit.
Warning circuit comprises resistance R 5, alarm appliance and switch triode. Resistance R 5 one end and dc sourcePositive pole be connected, the other end is connected with one end of alarm appliance; The other end of alarm appliance and switch three utmost pointsThe colelctor electrode of pipe is connected; The emitter stage of switch triode is connected with the output of the comparator in comparison circuit,The base stage of switch triode is connected with the negative pole of dc source.
In specific implementation, alarm appliance can be buzzer and/or light emitting diode etc.
In the present embodiment, the ratio of major and minor passage current can set in advance plug and be normally connected with socket timeSpan. When plug is all connected with main folder sheet, sub-folder sheet, when plug and the loose contact of main folder sheet,The resistance of primary path will become greatly, and the electric current of primary path will diminish, and causes the ratio of major and minor passage currentValue changes, and exceeds default scope, causes reporting to the police. When plug is all connected with main folder sheet, sub-folder sheet,When plug and the loose contact of sub-folder sheet, the resistance of secondary path will become greatly, and the electric current of secondary path will diminish,Cause the ratio of major and minor passage current to change, exceed default scope, cause reporting to the police; Certainly,In this case, if be in series with large resistance on secondary path, and plug and the loose contact of sub-folder sheet and causeSecondary path on the resistance that increases very little with respect to the large resistance of series connection, in this case, secondary logicalThe curent change on road is little, and like this, possibility just can not trigger alarm.
In the present embodiment, detect respectively primary path and secondary logical by the first testing circuit and the second testing circuitElectric current on road, and whether the ratio that judges the electric current on major and minor path by comparison circuit is defaultIn scope, determine that whether empty plug is slotting, warning circuit is at the empty alarm of inserting of plug. Therefore, the present embodimentCan automatically detect in time empty inserting.
In embodiment above, can be understood as the large current protection switch S1 that do not connect on secondary path, orThe large current protection switch S1 that connected on the secondary path of person, but large current protection switch S1 does not access more electricRoad. The following examples will be introduced the large current protection switch S1 that connected on secondary path, and large current protectionSwitch S 1 has accessed the testing circuit of comparison circuit, refers to Fig. 3, and Fig. 3 provides for the embodiment of the present inventionThe empty structural representation of inserting testing circuit of another kind of plug, the empty testing circuit bag of inserting of plug of the present embodimentDraw together:
The first testing circuit, for detection of the electric current on primary path;
The second testing circuit, for detection of the electric current on secondary path;
Three testing circuit, for judging whether the electric current on secondary path is greater than predetermined current threshold value;
Comparison circuit, for the ratio that judges the electric current on electric current and the secondary path on primary path whether in advanceIf scope in;
Warning circuit, for being greater than predetermined current threshold value when the electric current on secondary path, or on primary pathThe ratio of the electric current on electric current and secondary path not in default scope time, sends alarm signal.
Wherein, the first testing circuit comprises inductance L 1, diode D1, first integral hysteresis module and resistanceR1. Inductance L 1 one end is connected with the positive pole of diode D1, and the other end is connected with one end of resistance R 1,The negative pole of diode D1 is connected with one end and the comparison circuit of first integral hysteresis module. First integral sluggishnessThe other end of module is connected with the other end of resistance R 1, one end of resistance R 1 also with the negative pole of dc sourceBe connected.
The second testing circuit comprises inductance L 2, diode D2, second integral hysteresis module and resistance R 2.Inductance L 2 one end are connected with the positive pole of diode D2, and the other end is connected with one end of resistance R 2; Two utmost pointsThe pipe negative pole of D2 and one end and the comparison circuit of second integral hysteresis module are connected; Second integral hysteresis moduleThe other end be connected with the other end of resistance R 2; One end of resistance R 2 is also connected with the negative pole of dc source.
Three testing circuit comprises large current protection switch S1 and resistance R 6. One end of resistance R 6 and sub-folder sheetBe connected, the other end is connected with the port one of large current protection switch S1; The port 2 of large current protection switch S1Be connected with AC power, the port 3 of large current protection switch is connected with the positive pole of dc source, port 4 andComparison circuit is connected.
Comparison circuit comprises comparator, resistance R 3, resistance R 4 and logic sum gate circuit. First of comparatorInput is connected with the negative pole of the diode D1 in the first testing circuit, the second input of comparator andThe negative pole of diode D2 in two testing circuits is connected, the of the output of comparator and logic sum gate circuitOne input is connected. Port 4 and the electricity of the second input of logic sum gate circuit and large current protection switch S1One end of resistance R3 is connected, and the first input end of logic sum gate circuit is also connected with one end of resistance R 4, logicThe output of OR circuit is connected with described warning circuit. The other end of resistance R 3 and R4 and dc sourceNegative pole is connected.
Warning circuit comprises resistance R 5, alarm appliance and switch triode. Resistance R 5 one end and dc sourcePositive pole be connected, the other end is connected with one end of alarm appliance; The other end of alarm appliance and switch three utmost pointsThe colelctor electrode of pipe is connected; The output of the logic sum gate circuit in emitter stage and the comparison circuit of switch triodeEnd is connected, and the base stage of switch triode is connected with the negative pole of dc source.
In specific implementation, alarm appliance can be buzzer and/or light emitting diode etc.
In the present embodiment, the situation of warning can comprise several as follows:
First: plug is not inserted into the end, plug does not contact with sub-folder sheet, on secondary path, respond to less than electric current,The current ratio of major and minor path not in default scope, trigger alarm.
Second: plug is all connected with main folder sheet, sub-folder sheet, but plug and the loose contact of main folder sheet are main logicalThe resistance on road will become greatly, and the electric current of primary path will diminish, and causes the ratio of major and minor passage current to be sent outChanging, exceeds default scope, causes reporting to the police.
The the 3rd: plug is all connected with main folder sheet, sub-folder sheet, but plug and the loose contact of sub-folder sheet are secondary logicalThe resistance on road will become greatly, and the electric current of secondary path will diminish, and causes the ratio of major and minor passage current to be sent outChanging, exceeds default scope, causes reporting to the police. Certainly, in this case, if gone here and there on secondary pathThe resistance R 6 of connection is very large, and the resistance increasing on the secondary path that plug causes with the loose contact of sub-folder sheet is relativeVery little in resistance R 6, in this case, the curent change of secondary path is little, like this, and mayJust can not trigger alarm.
The the 4th: main folder sheet is nonelastic, do not contact with plug, at this moment electric current all flows through from secondary path,Cause the electric current of secondary path to be greater than predetermined current threshold value, the port one, 2 of large current protection switch S1 disconnects,Trigger port 3,4 closures of large current protection switch S1, signal flows into logic sum gate circuit simultaneously, touchesPolice transmits messages.
It should be noted that, the AC power in the present embodiment and dc source are two independently power supplys,But AC power and dc source can be realized through electronic switch device by same power supply.
In the present embodiment, detect respectively primary path and secondary logical by the first testing circuit and the second testing circuitElectric current on road, whether the electric current detecting on secondary path by three testing circuit is greater than predetermined current threshold value,And whether the ratio that judges the electric current on major and minor path by comparison circuit is in default scope, works as pairElectric current on path is greater than the ratio of the electric current on predetermined current threshold value or major and minor path not at default modelEnclose when interior, warning circuit sends alarm signal. Therefore, the embodiment of the present invention can automatically detect in timeEmpty inserting.
It should be noted that, in aforementioned three embodiment, between the main folder sheet of plug both sides, be connected with wire,Between the sub-folder sheet of plug both sides, be also connected with wire; The electronic device being connected with main folder sheet can with main folder sheetAny side be connected, also can and both sides main folder sheet between the wire that is connected be connected, be connected with sub-folder sheetElectronic device can be connected with any side of sub-folder sheet, also can and both sides sub-folder sheet between the wire phase that is connectedConnect.
In addition, the present invention also provides a kind of plug the empty checkout gear of inserting, and refers to Fig. 4, and Fig. 4 is thisEmpty embodiment schematic diagram of checkout gear, the plug of the present embodiment inserted of a kind of plug that bright embodiment providesThe empty checkout gear 400 of inserting comprises socket 401 and the empty testing circuit 402 of inserting of plug. Wherein, socket 401 canIdentical with the socket described in previous embodiment, plug is empty insert testing circuit 402 can with previous embodimentThe empty slotting testing circuit of plug of describing is identical, specifically can consult description corresponding to previous embodiment, not hereinRepeat again.
The present invention also provides a kind of plug the empty detection method of inserting, the empty slotting detection side of plug provided by the inventionWhether method is empty slotting in socket for detection of plug, and the intermediate plate of described socket comprises by main folder sheet and sub-folder sheetThe two-part intermediate plate forming, in the time of plug insertion socket, plug contacts with main folder sheet and forms primary path, insertsHead contacts with sub-folder sheet and forms secondary path, and primary path is in parallel with secondary path. Refer to Fig. 5, the present embodimentMethod comprises:
501, detect the electric current of primary path and secondary path;
502, the ratio of electric current that judges primary path and secondary path whether in default scope, if do not exist,Perform step 503, otherwise, execution step 504 end process or repeated execution of steps 501;
503, send alarm signal. In a specific embodiment, on secondary path, also comprise large electric current guarantorProtect switch S 1 and resistance R 6, wherein, one end of resistance R 6 is connected with sub-folder sheet, the other end and large electric currentOne end of protection switch S1 is connected; The other end of large current protection switch S1 is connected with AC power.
In this case, can also detect large current protection switch S1 and whether disconnect, when large current protectionWhen switch S 1 disconnects, send alarm signal. In the time that large current protection switch disconnects, main folder sheet is described and insertsHead is contact not, causes secondary passage current excessive.
In the present embodiment, by detecting the electric current on primary path and secondary path, or detect on secondary pathWhether large current protection switch S1 disconnects, when the ratio of the electric current on major and minor path is not in default scopeIn, or large current protection switch S1 is while disconnecting, sends alarm signal. Therefore, the present embodiment can andTime automatically detect empty inserting.
It should be noted that in addition, device embodiment described above is only schematically, wherein saidUnit as separating component explanation can or can not be also physically to separate, aobvious as unitThe parts that show can be or can not be also physical locations, can be positioned at a place, or also canTo be distributed on multiple NEs. Can select according to the actual needs some or all of mould whereinPiece is realized the object of the present embodiment scheme. In addition, in device embodiment accompanying drawing provided by the invention, mouldAnnexation between piece represents to have communication connection between them, specifically can be implemented as one or moreCommunication bus or holding wire. Those of ordinary skill in the art are not in the situation that paying creative work,Be appreciated that and implement.
Through the above description of the embodiments, those skilled in the art can be well understood to thisThe mode that invention can add essential common hardware by software realizes, and can certainly pass through specialized hardwareComprise that special IC, dedicated cpu, private memory, special components and parts etc. realize. General feelingsUnder condition, all functions being completed by computer program can realize with corresponding hardware easily, andAnd the particular hardware structure that is used for realizing same function can be also diversified, for example analog circuit,Digital circuit or special circuit etc. But software program realization is more under more susceptible for the purpose of the present invention conditionGood embodiment. Based on such understanding, technical scheme of the present invention is in essence in other words to existing skillThe part that art contributes can embody with the form of software product, this computer software product storageIn the storage medium can read, as the floppy disk of computer, USB flash disk, portable hard drive, read-only storage (ROM,Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magneticDish or CD etc., comprise some instructions in order to make a computer equipment (can be personal computer,Server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
Above the embodiment of the present invention is described in detail, for one of ordinary skill in the art, complies withAccording to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, because ofThis, this description should not be construed as limitation of the present invention.
Claims (12)
1. a socket, is characterized in that, the intermediate plate of described socket comprises by main folder sheet and sub-folder sheet and formsTwo-part intermediate plate, in the time that plug inserts described socket, described plug contact with described main folder sheet form mainPath, described plug contacts with described sub-folder sheet and forms secondary path, and described primary path and described secondary path are alsoConnection.
2. socket as claimed in claim 1, is characterized in that, on described secondary path, also comprises large electric currentProtection switch S1 and resistance R 6, wherein,
One end of described resistance R 6 is connected with described sub-folder sheet, the other end and described large current protection switch S1One end be connected;
The other end of described large current protection switch S1 is connected with AC power.
3. socket as claimed in claim 2, is characterized in that, described large current protection switch S1 comprisesAutomatic citrcuit bearker or resettable fuse.
4. the empty testing circuit of inserting of plug, whether described testing circuit is empty in socket for detection of plugInsert, the intermediate plate of described socket comprises the two-part intermediate plate being made up of main folder sheet and sub-folder sheet, when plug insertsWhen described socket, described plug contacts with described main folder sheet and forms primary path, described plug and described sub-folderSheet contact forms secondary path, and described primary path is in parallel with described secondary path, it is characterized in that described detectionCircuit comprises:
The first testing circuit, for detection of the electric current on described primary path;
The second testing circuit, for detection of the electric current on described secondary path;
Comparison circuit, for judging the ratio of the electric current on electric current and the described secondary path on described primary pathWhether in default scope;
Warning circuit, for the ratio when electric current on electric current and described secondary path on described primary path notIn default scope time, send alarm signal.
5. testing circuit as claimed in claim 4, is characterized in that,
Described the first testing circuit comprises inductance L 1, diode D1, first integral hysteresis module and resistance R 1,Wherein, described inductance L 1 one end is connected with the positive pole of described diode D1, the other end and described resistance R 1One end is connected; One end of the negative pole of described diode D1 and described first integral hysteresis module and described comparisonCircuit is connected; The other end of described first integral hysteresis module is connected with the other end of described resistance R 1; InstituteOne end of stating resistance R 1 is also connected with the negative pole of dc source;
Described the second testing circuit comprises inductance L 2, diode D2, second integral hysteresis module and resistance R 2,Wherein, described inductance L 2 one end are connected with the positive pole of described diode D2, the other end and described resistance R 2One end is connected; One end of the negative pole of described diode D2 and described second integral hysteresis module and described comparisonCircuit is connected; The other end of described second integral hysteresis module is connected with the other end of described resistance R 2; InstituteOne end of stating resistance R 2 is also connected with the negative pole of described dc source.
6. testing circuit as claimed in claim 5, is characterized in that, described comparison circuit comprises comparisonDevice, the first input end of described comparator is connected with the negative pole of the diode D1 in described the first testing circuit,The second input of described comparator is connected with the negative pole of the diode D2 in described the second testing circuit, instituteState the output of comparator and be connected with described warning circuit.
7. testing circuit as claimed in claim 6, is characterized in that, described warning circuit comprises resistanceR5, alarm appliance and switch triode, wherein,
Described resistance R 5 one end are connected with the positive pole of described dc source, the other end and described alarm applianceOne end is connected;
The other end of described alarm appliance and the colelctor electrode of described switch triode are connected;
The emitter stage of described switch triode is connected with the output of the comparator in described comparison circuit, instituteState the base stage of switch triode and the negative pole of described dc source is connected.
8. testing circuit as claimed in claim 5, is characterized in that, described testing circuit also comprises:
Three testing circuit, described three testing circuit comprises large current protection switch S1 and resistance R 6, itsIn, one end of described resistance R 6 is connected with described sub-folder sheet, the other end and described large current protection switch S1Port one be connected; The port 2 of described large current protection switch S1 is connected with AC power, described large electric currentThe port 3 of protection switch is connected with the positive pole of described dc source, and port 4 is connected with described comparison circuit;
Described comparison circuit comprises comparator, resistance R 3, resistance R 4 and logic sum gate circuit, wherein,
The negative pole phase of diode D1 in the first input end of described comparator and described the first testing circuitConnect, the second input of described comparator is connected with the negative pole of the diode D2 in described the second testing circuit,The output of described comparator is connected with the first input end of described logic sum gate circuit;
The second input of described logic sum gate circuit and the port 4 of described large current protection switch S1 and instituteState resistance R 3 one end be connected, the first input end of described logic sum gate circuit also with one of described resistance R 4End is connected, and the output of described logic sum gate circuit is connected with described warning circuit;
Described resistance R 3 and the other end of R4 and the negative pole of described dc source are connected.
9. testing circuit as claimed in claim 8, is characterized in that, described warning circuit comprises resistanceR5, alarm appliance and switch triode, wherein,
Described resistance R 5 one end are connected with the positive pole of described dc source, the other end and described alarm applianceOne end is connected;
The other end of described alarm appliance and the colelctor electrode of described switch triode are connected;
The output phase of the logic sum gate circuit in the emitter stage of described switch triode and described comparison circuitConnect, the base stage of described switch triode is connected with the negative pole of described dc source.
10. the empty checkout gear of inserting of plug, is characterized in that, described device comprise as claim 1 toSocket described in 3 any one, and testing circuit as described in claim 4 to 9 any one.
The empty detection methods of inserting of 11. 1 kinds of plugs, described detection method for detection of plug in socket whetherEmpty inserting, the intermediate plate of described socket comprises the two-part intermediate plate being made up of main folder sheet and sub-folder sheet, when plug is insertedWhile entering described socket, described plug contacts with described main folder sheet and forms primary path, described plug and described pairIntermediate plate contact forms secondary path, and described primary path is in parallel with described secondary path, it is characterized in that described sideMethod comprises:
Detect the electric current on described primary path and described secondary path;
Judge that whether the ratio of the electric current on electric current and the described secondary path on described primary path is at default modelIn enclosing;
When the ratio of the electric current on the electric current on described primary path and described secondary path is not in default scopeTime, send alarm signal.
12. detection methods as claimed in claim 11, is characterized in that, on described secondary path, also compriseLarge current protection switch S1 and resistance R 6, wherein, one end of described resistance R 6 is connected with described sub-folder sheet,The other end is connected with one end of described large current protection switch S1; Another of described large current protection switch S1End is connected with AC power;
Described method also comprises:
Whether detect described large current protection switch S1 disconnects;
In the time that described large current protection switch S1 disconnects, send alarm signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617574.3A CN105610019B (en) | 2014-11-05 | 2014-11-05 | A kind of socket and plug void insert detection circuit, device, method |
| PCT/CN2015/081672 WO2016070629A1 (en) | 2014-11-05 | 2015-06-17 | Socket and plug virtual insertion detection circuit, device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617574.3A CN105610019B (en) | 2014-11-05 | 2014-11-05 | A kind of socket and plug void insert detection circuit, device, method |
Publications (2)
| Publication Number | Publication Date |
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| CN105610019A true CN105610019A (en) | 2016-05-25 |
| CN105610019B CN105610019B (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410617574.3A Active CN105610019B (en) | 2014-11-05 | 2014-11-05 | A kind of socket and plug void insert detection circuit, device, method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105610019B (en) |
| WO (1) | WO2016070629A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016070629A1 (en) | 2016-05-12 |
| CN105610019B (en) | 2018-07-03 |
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