CN104103970A - Electric connector and on-off control method for circuit - Google Patents
Electric connector and on-off control method for circuit Download PDFInfo
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- CN104103970A CN104103970A CN201310116314.3A CN201310116314A CN104103970A CN 104103970 A CN104103970 A CN 104103970A CN 201310116314 A CN201310116314 A CN 201310116314A CN 104103970 A CN104103970 A CN 104103970A
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Abstract
The invention provides an electric connector and an on-off control method for a circuit, which can automatically sense the connection and disconnection of the electric connector, and can control the power connection and disconnection in the process of connection and disconnection of the electric connector to avoid forming electric arc. The electric connector disclosed by the invention comprises an inserting member and a reception member. The electric connector also comprises a sensing device and a switch which is connected to the electric connector in series; the sensing device is used for detecting a first state where the inserting member and the reception member begin breaking awway, and the electric connection between the inserting member and the reception member is not disconnected; when the sensing device detects that the inserting member and the reception member are positioned in the first state, the sensing device produces disconnection signals to a switch and the switch is disconnected. According to the electric connector disclosed by the invention, the fact that an AC electric connector is used in a DC circuit is realized, and the fact that in the DC circuit, when the inserting member is disconnected from the reception member and the electric connection is disconnected, the electric arc is not generated is realized as well , and thus the accidents can be prevented.
Description
Technical field
The present invention relates to the break-make road control method of a kind of electric connector and circuit, relate to especially the break-make road control method of the circuit of insert and receiving element and insert and receiving element.
Background technology
Most servers and router are used alternating current (AC) electric connector as electricity port, and electric connector comprises insert and receiving element.During the installation and maintenance of electric connector, insert inserts receiving element and disconnects from receiving element is recurrent.Because AC electric current is by zero cross point, in most of the cases, insert inserts and disconnection can not produce harm (rated current of most inserts is less than 15A).But when when server or for router, direct current (DC) electric current is powered, when DC electric current has large load, insert inserts receiving element and disconnects and may produce serious electric arc from receiving element especially, this can cause safety problem.
Existing solution is to use warning label to warn user before electric power insert is extracted, and first closes load, or uses a kind of novel electric connector that can completely cut off electric arc for DC electric current.
In using the process of electric connector, if user has ignored warning label, therefore warning label does not have the effect of warning cannot avoid electric arc.
In addition, for the generally application of the electric connector of DC electric current, and at insert from receiving element off period, still there is electric arc, this can reduce the useful life of electric connector, the access times of common this electric connector are no more than 500 times.
At DC power supply, replace AC power supplies more and more at large in situation, conventionally use DC240V to replace AC220V or AC110V, especially, in IT machine room, this situation is more prevalent.Therefore, also increase the demand of using AC electric connector under DC condition, because user and manufacturer can not change electric connector because of the type of supplying with electric current conventionally, but adhered to using same electric connector.
Summary of the invention
In view of above-mentioned deficiency of the prior art, in order to make under DC condition, use AC electric connector when disconnecting, to guarantee safety, and make electric connector as general electric connector, the invention is intended to provide a kind of electric connector, its operation that sensing electric connector connects and disconnects automatically, and connect and in disconnection process, control electric power and be connected and disconnect avoiding forming electric arc at electric connector.
According to electric connector of the present invention, its technical scheme is: a kind of electric connector, comprise insert and receiving element, wherein: described electric connector also comprises sensing device and switch, switch and electric connector are connected in series, described sensing device starts for detection of insert and receiving element the first state that the electrical connection between disengaging and insert and receiving element does not also disconnect, when sensing device detects insert and receiving element and is positioned at the first state, sensing device sends cut-off signal to switch, and switch disconnects.
Preferably, described sensing device also starts to contact for detection of insert and receiving element and insert and receiving element have been set up the second state of electrical connection, when sensing device detects insert and receiving element and is positioned at the second state, sensing device sends closure signal to switch, and switch is closed.
According to electric connector of the present invention, be the improvement of carrying out on the basis of existing AC electric connector, it still can be widely used in AC power supplies.When for DC power supply, because it has increased sensing device and switch, can connect Closing Switch afterwards at the electric connector that connects load, to connect load, before disconnecting, the electric connector that connects load opens switch, with disconnecting consumers, therefore, when insert engages with receiving element and depart from from receiving element, can not produce electric arc, the dangerous and damage to electric connector that also can not cause with cause electric arc.
Preferably, insert comprises body and from body, stretches out the bar that electrically contacts of the first distance, insert is provided with and from body along the direction identical with electrically contacting bar, stretches out the flange of second distance, and this flange is around electrically contacting bar setting, receiving element is provided with groove, flange is received in this groove and is insulated from each other, and second distance is greater than the first distance.
Can be so that sensing device detects the first state and the second state carries out moving to connect or disconnect circuit accordingly with actuatable switches by the first distance and second distance are set.
Preferably, sensing device is the mechanical actuation device that is arranged on the bottom of groove, and described mechanical actuation device comprises actuation member, and actuation member actuatable switches is so that switch is closed or open.
Preferably, when inserting insert to receiving element, the flange end of insert touches actuation member, actuation member is actuated described switch, switch is closed, value that second distance is greater than the first distance is set so that when flange end touches actuation member, receiving element and insert have been set up electrical connection.
Preferably, when insert departs from from receiving element, when the flange end of insert is separated with actuation member, actuation member is actuated described switch, switch disconnects, value that second distance is greater than the first distance is set so that when flange end is separated with actuation member, the electrical connection of receiving element and insert does not also disconnect.
Preferably, described actuation member comprises spring and ball or spring and wedge.
By using mechanical sensing device, kinetogenesis by ball or wedge and spring and switch realizes after the electrical connection between electric connector is set up Closing Switch and before the electrical connection between electric connector disconnects, open switch, so that can not produce electric arc when insert engages with receiving element and depart from from receiving element, the dangerous and damage to electric connector that also can not cause with cause electric arc.And mechanical sensing device is simple in structure, low cost of manufacture, reliability is high.
Preferably, sensing device is the optical coupler that is arranged on receiving element inner side, and optical coupler comprises reflector and receiver, and receiver and reflector communicate with one another with the signal that sends closure to switch or open so that switch is closed or open.
Preferably, reflector and receiver lay respectively at both sides inside receiving element, when inserting insert to receiving element, when the flange end of insert has just been blocked between reflector and receiver, optical coupler sends activation signal and actuates described switch closure, second distance is set and is greater than the value of the first distance so that when the flange end of insert has just been blocked between reflector and receiver, receiving element and insert have been set up electrical connection.
Preferably, when insert departs from from receiving element, when the flange end of insert is left groove bottom and has just been made reflector and receiver visible each other, optical coupler sends activation signal and actuates described switch disconnection, second distance is set and is greater than the value of the first distance so that when the flange end of insert is left groove bottom and just made reflector and receiver visible each other, the electrical connection of receiving element and insert does not also disconnect.
Preferably, reflector and receiver are positioned at the same side of receiving element inner side, when inserting insert to receiving element, when the flange end of insert has just been blocked in described reflector the place ahead, receiver is received the light signal reflecting by insert, it is closed that optical coupler sends activation signal actuatable switches, second distance is set and is greater than the value of the first distance so that when the flange end of insert has just been blocked in described reflector the place ahead, receiving element and insert have been set up electrical connection.
Preferably, when insert departs from from receiving element, when the flange end of insert is left groove bottom and has just been made receiver not receive the light signal that reflector launches by insert, optical coupler sends activation signal actuatable switches and disconnects, second distance is set and is greater than the value of the first distance so that leave groove bottom when the flange end of insert, receiver rigidly connects while can not receive the light signal that reflector reflects by insert, and the electrical connection of receiving element and insert does not also disconnect.
By using the sensing device of optical coupler, by the reflector of optical coupler and the closure of receiver actuatable switches with open, realization Closing Switch and before the electrical connection between electric connector disconnects after electrical connection between electric connector is set up, open switch, so that can not produce electric arc when insert engages with receiving element and depart from from receiving element, the dangerous and damage to electric connector that also can not cause with cause electric arc.And the sensing device of optical coupler is simple in structure, highly sensitive, and reliability is high.
Not only sensing device can be arranged on receiving element, sensing device can also be arranged on insert, its technical scheme is as follows.
Preferably, one of them is provided with insert and receiving element when insert and receiving element engage towards another flange stretching out in insert and receiving element, another in insert and receiving element is provided with groove, flange is received in groove and is insulated from each other, flange is actuated sensing device, when inserting insert to receiving element, from insert and receiving element, start to be engaged to flange and start to actuate sensing device, the fore-and-aft distance that insert is advanced is the 3rd distance, from insert and described receiving element, start to be engaged to insert and receiving element starts to set up electrical connection, the fore-and-aft distance that insert is advanced is the 4th distance, the 3rd distance is greater than the 4th distance.
Thus, guaranteed, when inserting insert to receiving element, when flange is actuated sensing device, between insert and receiving element, to have set up electrical connection.
Preferably, when insert departs from from receiving element, from described insert and receiving element, start to be separated to flange and start to actuate sensing device, the fore-and-aft distance that insert is advanced is the 5th distance, from insert and receiving element, start to be separated to insert and receiving element disconnection electrical connection, the fore-and-aft distance that insert is advanced is the 6th distance, and the 6th distance is greater than the 5th distance.
Thus, guaranteed that when flange is actuated sensing device, the electrical connection between insert and receiving element does not also disconnect when insert and receiving element disconnection.
Preferably, when insert and receiving element joint, sensing device is actuated described switch closure, and when insert and receiving element disconnection, sensing device actuatable switches disconnects.
Preferably, sensing device is mechanical actuation device or optical coupler.
According to electric connector of the present invention, it can be realized after electric connector place circuit is connected, closed switch of connecting with electric connector, before electric connector disconnects place circuit, disconnect the switch of connecting with electric connector, open circuit, reduces or has eliminated when electric connector switches on and off the electric arc producing.The present invention also provides a kind of break-make road control method of circuit, uses the method can realize the operation that automatic sensing electric connector connects and disconnects, and connects and in disconnection process, control electric power and be connected and disconnect avoiding forming electric arc at electric connector.
Break-make road control method in a circuit according to the invention, its technical scheme is: a kind of break-make road control method of circuit, the break-make road control method of this circuit is for comprising the electric connector of insert and receiving element, wherein, when electric connector is under electrical connection channel status, use sensing device detection insert and receiving element to start the first state that the electrical connection between disengaging and insert and receiving element does not also disconnect, when sensing device detects insert and receiving element and is positioned at the first state, sensing device sends cut-off signal to the switch of connecting with electric connector, switch disconnects.
Break-make road control method in a circuit according to the invention, by using sensing device to detect the first state, to the switch of connecting with electric connector, send cut-off signal, cut-off switch, realized before the electrical connection between electric connector disconnects, switch disconnects, so that the electrical connection of whole circuit disconnects.Therefore, when departing from from receiving element, insert can not produce electric arc, the dangerous and damage to electric connector that also can not cause with cause electric arc.
Preferably, when electric connector is under electrical connection off state, use sensing device to detect that insert starts to contact with receiving element and insert and receiving element have been set up the second state of electrical connection, when sensing device detects insert and receiving element and is positioned at the second state, sensing device sends closure signal to the switch of connecting with electric connector, and switch is closed.
Break-make road control method in a circuit according to the invention, by using sensing device to detect the second state, to the switch of connecting with electric connector, send closure signal, Closing Switch, after having realized the electrical connection connection between electric connector, switch is closed, therefore, when insert and receiving element foundation electrical connection, can not produce electric arc, the dangerous and damage to electric connector that also can not cause with cause electric arc.
Electric connector in this method is above-mentioned electric connector.
According to the break-make road control method of electric connector provided by the invention and circuit, realized and in DC circuit, used AC electric connector, and guaranteed in DC circuit, when disconnecting insert from receiving element, when electrical connection is cut off, can not produce electric arc, prevented the generation of security incident, improved the useful life of AC electric connector, and this improvement can realize on traditional AC electric connector, can generally apply in electric connector field.
Accompanying drawing explanation
Other advantage of the present invention and feature are by from ensuing that only provide with the object of non-limiting example and represent that the explanation of specific embodiment of the present invention in the accompanying drawings becomes more obviously clear, in the accompanying drawings:
Fig. 1 is the circuit structure diagram according to electric connector of the present invention;
Fig. 2 is according to the cross-sectional view of wherein a kind of embodiment of electric connector of the present invention;
Fig. 3 is the cross-sectional view under closure state according to the electric connector of the embodiment of Fig. 2;
Fig. 4 is according to the cross-sectional view of the another kind of embodiment of electric connector of the present invention;
Fig. 5 is according to the horizontal schematic diagram of the insert of the electric connector of the embodiment of Fig. 4 and receiving element inner side;
Fig. 6 is according to the cross-sectional view of another embodiment of electric connector of the present invention;
Fig. 7 is according to the horizontal schematic diagram of the insert of the electric connector of the embodiment of Fig. 6 and receiving element inner side.
Description of reference numerals
1 insert
2 receiving elements
3 sensing devices
4 switches
The binding post of 5 receiving elements
6 electrically contact bar
7 flanges
8 grooves
9 mechanical actuation devices
10 reflectors
11 receivers
12 bodies
13 flange end
Embodiment
Below with reference to Fig. 1 to Fig. 7, electric connector of the present invention is explained.
Fig. 1 shows the circuit structure diagram according to electric connector of the present invention.
Electric connector, comprises insert 1 and receiving element 2, sensing device 3 and switch 4, and switch 4 is connected in series with electric connector, is opened or closure by sensing device 3 according to testing result actuatable switches 4.The first state that described sensing device 3 starts to depart from for detection of insert 1 and receiving element 2 and the electrical connection of 2 of insert 1 and receiving elements does not also disconnect, and insert 1 starts to contact with receiving element 2 and insert 1 and receiving element 2 have been set up the second state of electrical connection.When sensing device 3 detects insert 1 and receiving element 2 and is positioned at the first state, sensing device 3 sends cut-off signal to switch 4, and switch 4 disconnects; When sensing device 3 detects insert 1 and receiving element 2 and is positioned at the second state, sensing device 3 sends closure signal to switch 4, and switch is closed.
It is pointed out that switch is sensu lato switch referred in this, comprise mechanical switch and electronic switch.The insert of indication and the electrical connection of receiving element refer to that for example the electric contact piece of insert and receiving element contacts in this article, if in the situation that the circuit at electric connector place is connected the connection that can carry out electric current conduction.
According to electric connector of the present invention, the improvement that can carry out on the basis of existing AC electric connector, existing AC electric connector, for example: the receiving element of electric connector is IEC60320C13, insert is C14, it still can be widely used in AC power supplies.When for DC power supply, because it has increased sensing device and switch, can connect Closing Switch afterwards at the electric connector that connects load, to connect load, before disconnecting, the electric connector that connects load opens switch, with disconnecting consumers, therefore, when departing from from receiving element, insert can not produce electric arc, the dangerous and damage to electric connector that also can not cause with cause electric arc.
Fig. 2 and Fig. 4 show respectively according to the cross-sectional view of two of electric connector of the present invention kinds of embodiment, and the difference of these two kinds of embodiment is that used sensing device is different, and all the other structures are identical.
Insert 1 comprises body 12, electrically contacts bar 6 and flange 7, electrically contacts bar 6 and stretches out the first distance from body 12, and flange 7 stretches out second distance along the direction identical with electrically contacting bar 6 from body 12, and flange 7 arranges around electrically contacting bar 6.Receiving element 2 is provided with groove 8, and flange 7 is received in groove 8 and is insulated from each other, and second distance is greater than the first distance, and specific design can be with reference to existing AC electric connector, IEC320C14.
The first distance and second distance are set can be so that sensing device detects the first state and the second state is opened with actuatable switches or closed to connect or disconnect circuit.
As shown in Figure 2, sensing device is the mechanical actuation device 9 that is arranged on the bottom outside of groove, and mechanical actuation device comprises actuation member, and actuation member actuatable switches is so that switch is closed or open.Although sensing device is arranged on the bottom outside of groove in this embodiment, sensing device also can be arranged on the bottom inside of groove, as long as it can realize identical function.
When inserting insert 1 to receiving element 2, the flange end 13 of insert 1 touches actuation member, actuation member is actuated described switch (not shown in Fig. 2), switch is closed, value that second distance is greater than the first distance is set so that when flange end 13 touches actuation member, receiving element 1 and insert 2 have been set up electrical connection.
In whole embodiment of the present invention, second distance is greater than the first distance, the difference of second distance and the first distance is set as required, to realize when insert and receiving element depart from or insert, flange end inspire sensing device occur in electrical connection between insert and receiving element disconnect before or be electrically connected foundation after.
When insert 1 departs from from receiving element 2, when the flange end 13 of insert 1 is separated with actuation member, actuation member is actuated described switch, switch disconnects, value that second distance is greater than the first distance is set so that when flange end 13 is separated with actuation member, the electrical connection of receiving element and insert does not also disconnect.
Described actuation member comprises spring and ball, and spring is connected between ball and switch, when flange end touches ball, and the motion compresses spring of ball, spring actuated switch is closed.At this " spring actuated switch ", can be that direct actuatable switches itself is carried out closure, for example, spring is pressed on the button of switch, can be also the compression movement generation signal of telecommunication by spring, and this signal of telecommunication actuatable switches is closed.The spring actuated switch of mentioning in the present invention can be any mode that can actuatable switches well known in the art.
Based on similar principle, described actuation member comprises spring and wedge, when flange end touches wedge, and the motion compresses spring of wedge, spring actuated switch is closed.At this " spring actuated switch ", can be that direct actuatable switches itself is carried out closure, for example, spring is pressed on the button of switch, can be also the compression movement generation signal of telecommunication by spring, and this signal of telecommunication actuatable switches is closed.Adopting the reason of ball and wedge is when flange end touches ball and wedge, the volume that is less than half that ball is set is positioned at bottom portion of groove, when flange end is inserted to bottom portion of groove, can promote ball or wedge outwards moves, with Compress Spring, thus spring actuated switch.
When extracting insert from receiving element, this principle is with identical to receiving element insertion insert, and process is contrary, because flange end is left bottom portion of groove, the spring being compressed is returned to undeformed state, this restoring force actuatable switches, thus switch disconnects.
Fig. 3 shows the cross-section structure under closure state according to the electric connector of the embodiment of Fig. 2.When electric connector is under closure state, the wedge of mechanical actuation device 9, owing to being subject to the extruding of flange, is withdrawn into groove outside.Be understandable that, when flange leaves bottom portion of groove, wedge reenters in groove, as shown in Figure 2.
Actuation member in the present invention includes but not limited to spring and ball or spring and wedge, for example, can also use magnet arrangement, and the magnetic force by magnet carrys out actuatable switches.
By using mechanical sensing device, by ball or wedge and spring, the kinetogenesis of switch is realized after the electrical connection between electric connector is set up to Closing Switch and before the electrical connection between electric connector disconnects, open switch, so that can not produce electric arc when insert departs from from receiving element, the dangerous and damage to electric connector that also can not cause with cause electric arc.And mechanical sensing device is simple in structure, low cost of manufacture, reliability is high.
As shown in Figures 4 to 7, sensing device is the optical coupler that is arranged on receiving element inner side, optical coupler comprises reflector 10 and receiver 11, and receiver 11 and reflector 10 communicate with one another with the signal that sends closure to switch (not shown in Fig. 4) or open so that switch is closed or open.
Fig. 4, Fig. 5 and Fig. 6, Fig. 7 show respectively reflector 10 and receiver 11 and are positioned at not homonymy of receiving element inner side, and the schematic diagram of the same side inside receiving element.
As shown in Figure 4, Figure 5, reflector 10 and receiver 11 are positioned at the opposite side of receiving element inner side, when inserting insert 1 to receiving element 2, when the flange end 13 of insert 1 has just been blocked between reflector 10 and receiver 11, optical coupler sends activation signal and actuates described switch closure, second distance is set and is greater than the value of the first distance so that when the flange end 13 of insert has just been blocked between reflector 10 and receiver 11, receiving element 1 and insert 2 have been set up electrical connection.
When insert 1 departs from from receiving element 2, when the flange end 13 of insert 1 is left groove bottom and has just been made reflector 10 and receiver 11 visible each other, optical coupler sends activation signal and actuates described switch disconnection, second distance is set and is greater than the value of the first distance so that when the flange end 13 of insert is left groove bottom and just made reflector 10 and receiver 11 visible each other, the electrical connection of receiving element 2 and insert 1 does not also disconnect.
Fig. 4 and the reflector 10 shown in Fig. 5 and receiver 11 are arranged on the relative both sides of receiving element inner side.Reflector 10 and receiver 11 can also be arranged on to the adjacent both sides of receiving element inner side, as long as realize identical function.
As shown in Figure 6, Figure 7, reflector 10 and receiver 11 are positioned at the same side of described receiving element 2 inner sides, when inserting insert 1 to receiving element 2, when the flange end 13 of insert 1 has just been blocked in reflector 10 the place ahead, receiver 11 is received the light signal reflecting by insert 1, optical coupler sends activation signal actuatable switches 4 closures, second distance is set and is greater than the value of the first distance so that when the flange end 13 of insert 1 has just been blocked in reflector 10 the place ahead, receiving element 2 and insert 1 have been set up electrical connection.
When insert 1 departs from from receiving element 2, when the flange end 13 of insert 1 is left groove bottom and has just been made receiver 11 not receive the light signal that reflector 10 launches by insert 1, described optical coupler sends activation signal actuatable switches 4 and disconnects, second distance is set and is greater than the value of the first distance so that leave groove bottom when the flange end 13 of insert 1, receiver 11 rigidly connects while can not receive the light signal that reflector 10 reflects by insert 1, and the electrical connection of receiving element 2 and insert 1 does not also disconnect.
The optical coupler actuatable switches of mentioning in the present invention can be any mode that can actuatable switches well known in the art, and for example optical coupler sends the signal of telecommunication, signal of telecommunication actuatable switches.
By using the sensing device of optical coupler, by the reflector of optical coupler and the closure of receiver actuatable switches with open, realization Closing Switch and before the electrical connection between electric connector disconnects before electrical connection between electric connector is set up, open switch, so that can not produce electric arc when insert departs from from receiving element, the dangerous and damage to electric connector that also can not cause with cause electric arc.And the sensing device of optical coupler is simple in structure, highly sensitive, and reliability is high.
Fig. 1 to Fig. 7 only shows that sensing device is arranged on the situation on receiving element, in practical application, not only sensing device can be arranged on receiving element, sensing device can also be arranged on insert.
In one of them of insert and receiving element, be provided with when insert and receiving element engage towards another flange stretching out in insert and receiving element, another in insert and receiving element is provided with groove, flange is received in groove and is insulated from each other, flange is actuated sensing device, when insert and receiving element joint, sensing device is actuated described switch closure, and when insert and receiving element disconnection, sensing device actuatable switches disconnects.
When insert and receiving element joint, from insert and receiving element, start to be engaged to flange and start to actuate sensing device, the fore-and-aft distance that insert is advanced is the 3rd distance, from insert and described receiving element, start to be engaged to insert and receiving element starts to set up electrical connection, the fore-and-aft distance that insert is advanced is the 4th distance, and the 3rd distance is greater than the 4th distance.
When insert and receiving element disconnection, from described insert receiving element, start to be separated to flange and start to actuate sensing device, the fore-and-aft distance that insert is advanced is the 5th distance, from insert and receiving element, start to be separated to insert and receiving element disconnection electrical connection, the fore-and-aft distance that insert is advanced is the 6th distance, and the 6th distance is greater than the 5th distance.
Sensing device can be mechanical actuation device or optical coupler, and its principle and set-up mode and the above embodiments are similar, at this, are no longer elaborated.
In this direction that longitudinally refers to insert and receiving element joint.
Thus, guaranteed, when insert and receiving element joint, when flange is actuated sensing device, between insert and receiving element, to have set up electrical connection; When insert and receiving element disconnection, when flange is actuated sensing device, the electrical connection between insert and receiving element does not also disconnect.
According to electric connector of the present invention, it can be realized after electric connector is connected, closed switch of connecting with electric connector, before electric connector disconnects place circuit, disconnect the switch of connecting with electric connector, open circuit, reduces or has eliminated when electric connector switches on and off the electric arc producing.
The present invention also provide a kind of can be for the break-make road control method of the circuit of above-mentioned electric connector, use the method can realize the operation that automatic sensing electric connector connects and disconnects, and connect and in disconnection process, control electric power and be connected and disconnect avoiding forming electric arc at electric connector.
A kind of break-make road control method of circuit, the break-make road control method of this circuit is for comprising the electric connector of insert and receiving element, wherein, when electric connector is under electrical connection channel status, use sensing device detection insert and receiving element to start the first state that the electrical connection between disengaging and insert and receiving element does not also disconnect, when sensing device detects insert and receiving element and is positioned at the first state, sensing device sends cut-off signal to the switch of connecting with electric connector, and switch disconnects; When electric connector is under electrical connection off state, use sensing device to detect that insert starts to contact with receiving element and insert and receiving element have been set up the second state of electrical connection, when sensing device detects insert and receiving element and is positioned at the second state, sensing device sends closure signal to the switch of connecting with electric connector, and switch is closed.
According to the break-make road control method of this circuit, by using sensing device to detect the first state, to the switch of connecting with electric connector, send cut-off signal, cut-off switch, realized before the electrical connection between electric connector disconnects, switch disconnects, so that the electrical connection of whole circuit disconnects.By using sensing device to detect the second state, to the switch of connecting with electric connector, send closure signal, Closing Switch, after having realized the electrical connection connection between electric connector, switch is closed, therefore, when insert and receiving element disconnection electrical connection or foundation electrical connection, can not produce electric arc, the dangerous and damage to electric connector that also can not cause with cause electric arc.
According to the break-make road control method of electric connector provided by the invention and circuit, realized and in DC circuit, used AC electric connector, and guaranteed in DC circuit, when disconnecting insert from receiving element, when electrical connection is cut off, can not produce electric arc, prevented the generation of security incident, improved the useful life of AC electric connector, and this improvement can realize on traditional AC electric connector, can generally apply in electric connector field.
Above the present invention is described in detail; for one of ordinary skill in the art; thought according to the embodiment of the present invention; change in specific embodiments and applications should not thought and depart from the scope of protection of the invention; in sum, this description should not be construed as limitation of the present invention.
Claims (19)
1. an electric connector, comprise insert (1) and receiving element (2), it is characterized in that: described electric connector also comprises sensing device (3) and switch (4), described switch (4) is connected in series with described electric connector, described sensing device (3) starts for detection of described insert (1) and described receiving element (2) the first state that the electrical connection between disengaging and described insert (1) and described receiving element (2) does not also disconnect, when described sensing device (3) detects described insert (1) and described receiving element (2) and is positioned at the first state, described sensing device (3) sends cut-off signal to described switch (4), described switch (4) disconnects.
2. electric connector according to claim 1, it is characterized in that: described sensing device (3) also starts to contact for detection of described insert (1) and described receiving element (2) and described insert (1) and described receiving element (2) have been set up the second state of electrical connection, when described sensing device (3) detects described insert (1) and described receiving element (2) and is positioned at the second state, described sensing device (3) sends closure signal to described switch (4), described switch (4) closure.
3. electric connector according to claim 1 and 2, it is characterized in that: described insert (1) comprise body (12) and from described body (12), stretch out the first distance electrically contact bar (6), described insert (1) is provided with from described body (12) along electrically contacting with described the flange (7) that direction that bar (6) is identical is stretched out second distance, and described flange (7) electrically contacts bar (6) and arranges around described, described receiving element (2) is provided with groove (8), described flange (7) is received in described groove (8) and is insulated from each other, second distance is greater than the first distance.
4. electric connector according to claim 3, it is characterized in that: described sensing device (3) is for being arranged on the mechanical actuation device (9) of the bottom of described groove (8), described mechanical actuation device (9) comprises that actuation member, actuation member are actuated described switch (4) so that described switch (4) is closed or open.
5. electric connector according to claim 4, it is characterized in that: when inserting described insert (1) to described receiving element (2), the flange end (13) of described insert (1) touches described actuation member (9), described actuation member (9) is actuated described switch (4), described switch (4) closure, value that second distance is greater than the first distance is set so that when described flange end (13) touches described actuation member (9), described receiving element (2) and described insert (1) have been set up electrical connection.
6. electric connector according to claim 5, it is characterized in that: when described insert (1) departs from from described receiving element (2), when the flange end (13) of described insert (1) is separated with described actuation member (9), described actuation member (9) is actuated described switch (4), described switch (4) disconnects, value that second distance is greater than the first distance is set so that when described flange end (13) is separated with described actuation member (9), the electrical connection of described receiving element (2) and described insert (1) does not also disconnect.
7. electric connector according to claim 6, is characterized in that: described actuation member (9) comprises spring and ball or spring and wedge.
8. electric connector according to claim 3, it is characterized in that: described sensing device (3) is for being arranged on the optical coupler inside described receiving element (2), described optical coupler comprises reflector (10) and receiver (11), and described reflector (10) and described receiver (11) communicate with one another with the signal that sends closure to described switch (4) or open so that described switch (4) is closed or open.
9. electric connector according to claim 8, it is characterized in that: described reflector (10) and described receiver (11) lay respectively at both sides, described receiving element (2) inner side, when inserting described insert (1) to described receiving element (2), when the flange end (13) of described insert (1) has just been blocked between described reflector (10) and described receiver (11), described optical coupler sends activation signal and actuates described switch (4) closure, value that second distance is greater than the first distance is set so that when the flange end (13) of described insert (1) has just been blocked between described reflector (10) and described receiver (11), described receiving element (2) and described insert (1) have been set up electrical connection.
10. electric connector according to claim 9, it is characterized in that: when described insert (1) departs from from described receiving element (2), when the flange end (13) of described insert (1) is left groove bottom and has just been made described reflector (10) and described receiver (11) visible each other, described optical coupler sends activation signal and actuates described switch (4) disconnection, value that second distance is greater than the first distance is set so that when the flange end (13) of described insert (1) is left groove bottom and just made described reflector (10) and described receiver (11) visible each other, the electrical connection of described receiving element (2) and described insert (1) does not also disconnect.
11. electric connectors according to claim 8, it is characterized in that: described reflector (10) and described receiver (11) are positioned at the same side of described receiving element (2) inner side, when inserting described insert (1) to described receiving element (2), when the flange end (13) of described insert (1) has just been blocked in described reflector (10) the place ahead, described receiver (11) is received by the light signal of described insert (1) reflection, described optical coupler sends activation signal and actuates described switch (4) closure, value that second distance is greater than the first distance is set so that when the flange end (13) of described insert (1) has just been blocked in described reflector (10) the place ahead, described receiving element (2) and described insert (1) have been set up electrical connection.
12. electric connectors according to claim 11, it is characterized in that: when described insert (1) departs from from described receiving element (2), when the flange end (13) of described insert (1) is left groove bottom and has just been made described receiver (11) not receive the light signal of described reflector (10) by described insert (1) transmitting, described optical coupler sends activation signal and actuates described switch (4) disconnection, second distance is set and is greater than the value of the first distance so that leave groove bottom when the flange end (13) of described insert (1), described receiver (11) rigidly connects while can not receive the light signal of described reflector (10) by described insert (1) reflection, the electrical connection of described receiving element (2) and described insert (1) does not also disconnect.
13. electric connectors according to claim 1 and 2, it is characterized in that: one of them is provided with described insert (1) and described receiving element (2) when described insert (1) and described receiving element (2) engage towards another flange stretching out in described insert (1) and described receiving element (2), another in described insert (1) and described receiving element (2) is provided with groove, described flange is received in described groove and is insulated from each other, described flange is actuated described sensing device, when inserting described insert (1) to described receiving element (2), from described insert (1) and described receiving element (2), start to be engaged to described flange and start to actuate described sensing device, the fore-and-aft distance that described insert is advanced is the 3rd distance, from described insert (1) and described receiving element (2), start to be engaged to described insert (1) and described receiving element (2) foundation electrical connection, the fore-and-aft distance that described insert is advanced is the 4th distance, the 3rd distance is greater than the 4th distance.
14. electric connectors according to claim 13, it is characterized in that: when described insert (1) departs from from described receiving element (2), from described insert (1) and described receiving element (2), start to be separated to described flange and start to actuate described sensing device, the fore-and-aft distance that described insert is advanced is the 5th distance, from described insert (1) and described receiving element (2), start to be separated to described insert (1) and described receiving element (2) disconnection electrical connection, the fore-and-aft distance that described insert is advanced is the 6th distance, and the 6th distance is greater than the 5th distance.
15. electric connectors according to claim 14, it is characterized in that: when described insert (1) and described receiving element (2) joint, described sensing device is actuated described switch closure, when described insert (1) and described receiving element (2) disconnection, described sensing device is actuated described switch and is disconnected.
16. electric connectors according to claim 15, is characterized in that: described sensing device is mechanical actuation device or optical coupler.
The break-make road control method of 17. 1 kinds of circuit, the break-make road control method of this circuit is for comprising the electric connector of insert and receiving element, it is characterized in that: when electric connector is under electrical connection channel status, use sensing device detection insert and receiving element to start the first state that the electrical connection between disengaging and insert and receiving element does not also disconnect, when sensing device detects insert and receiving element and is positioned at the first state, sensing device sends cut-off signal to the switch of connecting with electric connector, and switch disconnects.
The break-make road control method of 18. circuit according to claim 17, it is characterized in that: when electric connector is under electrical connection off state, use sensing device to detect that insert starts to contact with receiving element and insert and receiving element have been set up the second state of electrical connection, when sensing device detects insert and receiving element and is positioned at the second state, sensing device sends closure signal to the switch of connecting with electric connector, and switch is closed.
19. according to the break-make road control method of the circuit described in claim 17 or 18, it is characterized in that: described electric connector is according to electric connector described in any one in claim 1 to 16.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310116314.3A CN104103970B (en) | 2013-04-03 | 2013-04-03 | A kind of break-make road control method of electric connector and circuit |
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| CN201310116314.3A CN104103970B (en) | 2013-04-03 | 2013-04-03 | A kind of break-make road control method of electric connector and circuit |
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| CN104103970B CN104103970B (en) | 2018-01-23 |
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| CN201310116314.3A Active CN104103970B (en) | 2013-04-03 | 2013-04-03 | A kind of break-make road control method of electric connector and circuit |
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| CN104103970B (en) | 2018-01-23 |
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