CN103477565B - Power outlet and connection device - Google Patents
Power outlet and connection device Download PDFInfo
- Publication number
- CN103477565B CN103477565B CN201280018073.2A CN201280018073A CN103477565B CN 103477565 B CN103477565 B CN 103477565B CN 201280018073 A CN201280018073 A CN 201280018073A CN 103477565 B CN103477565 B CN 103477565B
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- China
- Prior art keywords
- switch
- supply socket
- pair
- plug
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
- H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5491—Systems for power line communications using filtering and bypassing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Telephonic Communication Services (AREA)
Abstract
Provided is a power outlet and connection device that can be realized using a simple configuration with a minimal decrease in communication quality in a state in which a communication device is not connected. This power outlet (1) has a terminal circuit (14) for matching impedance in the frequency range of a communication signal, the terminal circuit being inserted between connection terminals (11, 11) and blade receptacles (12, 12); and a bypass circuit (15) connected in parallel to the terminal circuit (14) between the connection terminal (11) and the blade receptacle (12). The bypass circuit (15) has a switch (60) equipped with a mechanical contact 61(, 62) inserted between the connection terminal (11) and the blade receptacle (12), forming a pathway that transmits a communication signal bypassing the terminal circuit (14) when the switch (60) is on. A moveable element (63) is operated, and the mechanical contact 61(, 62) opens or closes, thereby turning the switch (60) on or off. The moveable element is operated in accompaniment with the insertion and removal of a plug used as a main operating body.
Description
Technical field
The present invention relates to a kind of being configured to be applied to via the power line as transmission path to transmit supply socket and the jockey of the power line communication of the signal of communication of predetermined frequency band.
Background technology
In power line communication (hereinafter referred to as " Power Line Communication; PLC "), use electric power to supply power line used as transmission path, and communicator utilize the signal of communication in the predetermined frequency band that transmits via this power line to communicate each other.Therefore, PLC receives publicity as can easily build so a kind of technology of network when without the need to adding new route.The frequency band of signal of communication is set to fully higher than the frequency of the AC power supplied via power line.
In the environment building the network using PLC, if there is the supply socket not connecting plc communication device, then worry that communication quality may be deteriorated due to the reflection at this part place generation signal of communication.About this problem, propose following supply socket (socket) (such as, see Japan Patent 4271474; Hereinafter referred to as " patent documentation 1 "), wherein this supply socket is built-in with power line terminating circuit, and is configured to prevent the generation of the reflection of signal of communication to avoid the deterioration of communication quality.But in the structure disclosed in patent documentation 1, plc communication device only can be connected to the supply socket not having in-built electrical line of force terminating circuit.
About this problem, also proposed following terminal organ (such as, see Japanese Unexamined Patent Publication 2009-164795; Hereinafter referred to as " patent documentation 2 ").That is, this terminal organ is configured to be connected to power line, comprise communication unit and switch control unit, and the control signal be configured to according to supplying from communicator (PLC adapter) makes switch switch between ON (connection) and OFF (disconnection).This terminal organ is configured to when switch control unit turn on-switch (passing through switch), makes the signal supplied from communicator by this terminal organ.
But the technology disclosed in patent documentation 2 needs the terminal organ comprising communication unit and switch control unit, the complexity of the structure of terminal organ is therefore made to increase.As a result, this causes being difficult to save cost.Especially, the increase that should be provided with the quantity of the supply socket of terminal organ makes to be difficult to save cost when importing PLC system.
Summary of the invention
The present invention considers above problem and makes, and the object of this invention is to provide a kind of deterioration of the communication quality that can suppress under the state not connecting communicator, the supply socket simultaneously utilizing simple structure to realize and jockey.
A kind of supply socket of the present invention, it is configured to be applied to power line communication, and described power line communication is designed to via a pair power line as transmission path to transmit the signal of communication of predetermined frequency band.Described supply socket is configured to a pair male contact being electrically connected to plug, and described a pair male contact is designed to insert in Socket casing in a pair slot being formed.Described supply socket comprises the following element be arranged in described Socket casing: a pair splicing ear, and it is configured to be connected to described a pair power line; A pair female contact, it is configured to a pair male contact being connected to plug; Terminating circuit, carries out impedance matching for the frequency band for described signal of communication, and described terminating circuit is inserted between described a pair splicing ear and described a pair female contact; And bypass circuit, it is connected in parallel with described terminating circuit between described splicing ear and described female contact.Described bypass circuit comprises the opening and closing that is configured to according to mechanical contact and between switching on and off, carries out the switch that switches.Described mechanical contact is in response to carrying out the movement of the operating main body operated in the outside of described Socket casing and opening and closing.When described switch connection, the path that described bypass circuit is walked around described terminating circuit and formed for making described signal of communication pass through between described splicing ear and described female contact.
According to this supply socket, preferably, described bypass circuit comprises the impedance component be connected in series with described switch.Compared with the frequency band of described signal of communication, for the frequency of the AC power supplied via described power line, described impedance component has higher impedance.
According to this supply socket, preferably, described impedance component is capacitor.
According to this supply socket, preferably, described operating main body comprises described plug.Described switching response in described a pair male contact relative to the insertion of described a pair slot with extract and switch between switching on and off.
According to this supply socket, preferably, described switch comprises the operating parts as described operating main body.Described operating parts exposes on the surface of described Socket casing.
A kind of jockey of the present invention, comprising: above-mentioned supply socket; And as the described plug of described operating main body.Described plug has described a pair male contact being arranged on plug casing and being configured to insert described a pair slot of described supply socket.Described switch comprises the movable piece be arranged on the face being formed with described a pair slot of described Socket casing.Be configured to make the opening and closing in response to the pressing operation of described movable piece of described mechanical contact to described switch.Described plug has abutting part, and described abutting part to be configured on described plug casing and to be configured to contact with described movable piece when described a pair male contact inserts and press described movable piece.
According to this jockey, preferably, described abutting part can switch between a first state and a second state.Described first state is that described abutting part is given prominence to relative to the face being provided with described a pair male contact of described plug casing, to make the described abutting part when described a pair male contact inserts press the state of described movable piece.Described second state is the state that described abutting part is contained in described plug casing.
A kind of jockey of the present invention, comprising: above-mentioned supply socket; And as the described plug of described operating main body.Described plug has described a pair male contact being arranged on plug casing and being configured to insert described a pair slot of described supply socket.Described switch-linear hybrid in described Socket casing, and is configured to make the opening and closing in response to external magnetic field of described mechanical contact to described switch.Described plug comprises magnetic force generating unit at described plug casing, and described magnetic force generating unit is used for producing when described a pair male contact inserts the magnetic field making described switch connection used.
According to this jockey, preferably, the size of described supply socket is formed can be arranged on the installing rack of embedding mount type connecton layout.
The deterioration that the present invention has the communication quality under the state that suppression do not connect communicator, the advantage simultaneously utilizing simple structure to realize.
Accompanying drawing explanation
Now the preferred embodiments of the present invention will be further described.Other features and advantages of the present invention will be understood better by following detailed description and accompanying drawing, wherein:
Fig. 1 is the schematic diagram of the circuit structure of the supply socket illustrated according to the first embodiment.
Fig. 2 is the front view of the supply socket illustrated according to the first embodiment.
Fig. 3 illustrates the plug according to the first embodiment, and wherein Fig. 3 A is plane graph, and Fig. 3 B is end view, and Fig. 3 C is front view.
Fig. 4 is another plug according to the first embodiment, and wherein Fig. 4 A is plane graph, and Fig. 4 B is end view, and Fig. 4 C is front view.
Fig. 5 is the schematic diagram of the circuit structure of the supply socket illustrated according to the second embodiment.
Fig. 6 is the front view of the supply socket illustrated according to the 3rd embodiment.
Fig. 7 is the schematic diagram of the circuit structure of the supply socket illustrated according to the 3rd embodiment.
Fig. 8 is the schematic diagram of the circuit structure of the supply socket illustrated according to the 4th embodiment.
Embodiment
In following embodiment, be configured to explanation to be applied to the supply socket of power line communication (hereinafter referred to as " PLC ") and be configured to be connected to this supply socket and the plug forming jockey together with this supply socket.
Under the state that plc communication device is connected to supply socket, plc communication device uses the power line being designed to supply AC power (source power supply) as transmission path, and communicates with the signal of communication of predetermined frequency band.That is, communicator is configured to communicate via the power line as transmission path by being superimposed upon by signal of communication in AC power.The frequency band (such as, 10 [kHz] ~ 450 [kHz] or 2 [MHz] ~ 30 [MHz]) of signal of communication is set to fully higher than the frequency (50 [Hz] or 60 [Hz]) of the AC power supplied via power line.
first embodiment
As shown in Figure 1, the supply socket 1 of the present embodiment comprises: splicing ear 11, and it is configured to be connected to power line (not shown); And female contact (pin bearing piece) 12, it is configured to the male contact (pin) 21 (see Fig. 3) being connected to plug 2 (see Fig. 3).Splicing ear 11 and female contact 12 are arranged in the Socket casing 10 (see Fig. 2) be made up of synthetic resin.Socket casing 10 can be arranged in wall of premises etc.Socket casing 10 has front, and the position corresponding with female contact 12 on this front forms the slot 13 (see Fig. 2) that can insert male contact 21.Splicing ear 11, female contact 12 and slot 13 comprise a pair splicing ear 11 corresponding with a pair power line, a pair female contact 12 and a pair slot (pin insert port) 13 respectively.
That is, the supply socket 1 of the present embodiment comprises at Socket casing 10: a pair splicing ear 11,11 (the first splicing ear 111, second splicing ear 112), and it is configured to be connected to a pair power line; And a pair female contact 12,12 (the first female contact 121, second female contact 122), it is configured to a pair male contact 21,21 being connected to plug 2.Socket casing 10 has front, and the position of female contact 121,122 on this front forms a pair slot 13,13 that can insert a pair male contact 21,21.
Supply socket 1 is also built-in with terminating circuit 14 in Socket casing 10, and wherein this terminating circuit 14 is inserted between splicing ear 111,112 and female contact 121,122.Supply socket 1 is also built-in with bypass circuit 15 in Socket casing 10, and wherein this bypass circuit 15 is connected in parallel with terminating circuit 14 between splicing ear 11 and female contact 12.The bypass circuit 15 of the present embodiment comprises: the first bypass circuit 151, and it is connected in parallel with terminating circuit 14 between the first splicing ear 111 and the first female contact 121; And second bypass circuit 152, it is connected in parallel with terminating circuit 14 between the second splicing ear 112 and the second female contact 122.Utilize this structure, when the male contact 21,21 of plug 2 being inserted slot 13,13 under the state that the splicing ear 111,112 of supply socket 1 is connected to power line, male contact 21,21 is connected to each power line via terminating circuit 14 or bypass circuit 15.
Terminating circuit 14 is designed to carry out the impedance matching with power line for the frequency band of signal of communication.Terminating circuit 14 comprises the first inductor the 31 ~ four inductor 34, first resistor the 41 ~ five resistor 45 and capacitor 51.
Particularly, as shown in Figure 1, between the first splicing ear 111 and the first female contact 121, be inserted with the series circuit of the first inductor 31 and the second inductor 32, and be inserted with the series circuit of the 3rd inductor 33 and the 4th inductor 34 between the second splicing ear 112 and the second female contact 122.In the present embodiment, the first inductor 31 and the 3rd inductor 33 are arranged on splicing ear 11 side.First resistor 41, second resistor 42, the 3rd resistor 43 and the 4th resistor 44 are connected in parallel with the first inductor 31, second inductor 32, the 3rd inductor 33 and the 4th inductor 34 respectively.First inductor 31 is connected with the tie point of the 3rd inductor 33 with the 4th inductor 34 with the series circuit of capacitor 51 via the 5th resistor 45 with the tie point of the second inductor 32.
First resistor 41, the 3rd resistor 43 are corresponding relative to the characteristic impedance of the frequency band of signal of communication with power line with the combined resistance of the 5th resistor 45.First inductor 31, the 3rd inductor 33 and capacitor 51 form resonance frequency higher than the frequency (50 [Hz] or 60 [Hz]) of AC power and the series resonant circuit of the frequency band lower than signal of communication.
When the electric device except plc communication device is connected to female contact 121,122, the second resistor 42, the 4th resistor 44, second inductor 32 and the 4th inductor 34 prevent signal of communication from leaking to this electric device.In other words, the second resistor 42, the 4th resistor 44, second inductor 32 and the 4th inductor 34 prevent the impact of the electric device owing to being connected to female contact 121,122 and cause power line relative to the change of the characteristic impedance of the frequency band of signal of communication.The terminating circuit 14 of the present embodiment comprises the second resistor 42 and the 4th resistor 44, is therefore unlikely subject to the output impedance impact of electric device side.That is, the second resistor 42 and the 4th resistor 44 can suppress according to the electric device impedance variation whether caused relative to the connection of female contact 121,122.As a result, the easness that transmission path characteristic is managed can be improved.
As mentioned above, terminating circuit 14 is inserted between splicing ear 111,112 and female contact 121,122.The operation of terminating circuit 14 under the state that explanation splicing ear 111,112 is connected to power line.For the frequency of AC power, the respective impedance of the first inductor the 31 ~ four inductor 34 is fully low, and the impedance of capacitor 51 is fully high.When electric device is connected to supply socket 1, via the first inductor the 31 ~ four inductor 34 of terminating circuit 14, AC power can be supplied to this electric device thus.
On the other hand, for the frequency band of signal of communication, the respective impedance of the first inductor the 31 ~ four inductor 34 is fully high, and the impedance of capacitor 51 is fully low.Thus, when signal of communication is supplied to supply socket 1 from plc communication device via power line, this signal of communication is by the series circuit of the first resistor 41, the 3rd resistor 43, the 5th resistor 45 and the capacitor 51 in terminating circuit 14.That is, for the frequency band of signal of communication, match from the characteristic impedance of the impedance between a pair splicing ear 111 and 112 that power line is watched and power line.Therefore, even if when supply socket 1 does not connect any electric device, supply socket 1 also unlikely causes the reflection of signal of communication, and can suppress the deterioration of communication quality.In addition, by means of the function of terminating circuit 14, even if when the electric device except plc communication device is connected to supply socket 1, supply socket 1 also unlikely causes the reflection of signal of communication, and can suppress the deterioration of communication quality.
Bypass circuit 15 comprises switch 60, and wherein this switch 60 is inserted between splicing ear 11 and female contact 12.Switch 60 comprises: the first mechanical contact 61, and it is inserted between the first splicing ear 111 and the first female contact 121; And second mechanical contact 62, it is inserted between the second splicing ear 112 and the second female contact 122.That is, between splicing ear 11 and female contact 12, the series circuit of the first mechanical contact 61 and the first inductor 31 and the second inductor 32 is connected in parallel, and the series circuit of the second mechanical contact 62 and the 3rd inductor 33 and the 4th inductor 34 is connected in parallel.Switch 60 is switches of 2 circuit 1 contact types.That is, be configured to the movable piece 63 of contact opening and closing is shared by the first mechanical contact 61 and the second mechanical contact 62.Thus, the first mechanical contact 61 and the second mechanical contact 62 carry out opening and closing simultaneously in response to the movement of movable piece 63.
Utilize said structure, when switch 60 is connected (, when both the first mechanical contact 61 and the second mechanical contact 61 are closed), bypass circuit 15 forms following path between splicing ear 11 and female contact 12, and wherein the effect in this path enables signal of communication walk around terminating circuit 14 by this path.That is, when switch 60 is connected, signal of communication be not via terminating circuit 14 but via bypass circuit 15 by between communication terminal 11 and female contact 12 (in other words, when switch 60 is connected, signal of communication passes through between the first splicing ear 111 and the first female contact 121 via the first bypass circuit 151, and via the second bypass circuit 152 by between the second splicing ear 112 and the second female contact 122), therefore terminating circuit 14 does not work.Therefore, utilize this structure, supply socket 1 has the following advantages: the plc communication device being connected to supply socket 1 can be communicated with another plc communication device via signal of communication by turn on-switch 60; And supply socket 1 comprises terminating circuit 14.
Switch 60 is the opening and closing that is configured to according to the first mechanical contact 61 and the second mechanical contact 62 and between ON and OFF, carries out the switch that switches.First mechanical contact 61 and the opening and closing in response to the movement of (describing in detail the below) operating main body that can operate in the outside of Socket casing 10 of the second mechanical contact 62.In the present embodiment, switch 60 comprises the push button type switch being configured to carry out switching (that is, opening and closing both the first mechanical contact 61 and the second mechanical contact 62) according to the pressing operation of movable piece 63 between ON and OFF.Particularly, switch 60 comprises the momentary type switch only just connected when pressing movable piece 63.As shown in Figure 2, on the centre position that the movable piece 63 of switch 60 is configured on the front of Socket casing 10 between a pair slot 13,13.Movable piece 63 is configured in the mode of not giving prominence to relative to the front of Socket casing 10 in the hole that formed in Socket casing 10.When not having operate mobile part 63, the front of movable piece 63 is in the plane identical with the front of Socket casing 10, and when operating movable piece 63, movable piece 62 is pushed in hole.
The supply socket 1 of the present embodiment is designed to Socket casing 10 and has the module size that can be arranged on the installing rack (not shown) embedding mount type connecton layout (large dihedral is used in conjunction connecton layout).Supply socket 1 is designed to two Socket casings 10 to be mounted to an installing rack.In the illustrated example shown in fig. 2, two supply sockets 1 are arranged on wall via installing rack, and this installing rack is covered by plate 16.
As shown in Figure 3, the plug 2 being configured to the present embodiment being connected to supply socket 1 comprises a pair male contact 21,21 be configured on plug casing 20.Plug casing 20 is made up of synthetic resin.This plug 2 is used on plc communication device.The face that cable 22 is configured to from the face outstanding from male contact 21,21 of plug casing 20 is different is extended.Cable 22 is electrically connected with a pair male contact 21,21 on the inner side of plug casing 20.Cable 22 is connected with the main body of plc communication device (not shown).
In the present embodiment, the operating main body for making switch 60 switch between ON and OFF comprises plug 2.Switch 60 is configured in response to male contact 21,21 relative to the insertion of slot 13,13 with extract and switch between ON and OFF.That is, when user's operating main body dominated by hand plug 2, then insert relative to supply socket 1 and pull the plug out of the socket 2, both the first mechanical contacts 61,61 opening and closing in response to the movement of plug 2 of switch 60.
Particularly, in the present embodiment, plug 2 comprises abutting part 23, and wherein this abutting part 23 is configured on plug casing 20, and be configured to, when male contact 21,21 is inserted supply socket 1, press movable piece 63 in the mode contacted with the movable piece 63 of switch 60.Abutting part 23 is given prominence to relative to the face being provided with male contact 21,21 of plug casing 20.In the example depicted in fig. 3, abutting part 23 is formed as cylindric.Abutting part 23 is configured in position (being the centre position between a pair male contact 21,21 in the present embodiment) place on plug casing 20, that contact with movable piece 63 when male contact 21,21 is inserted slot 13,13.Abutting part 23 has the height (overhang) that movable piece 63 can be pressed into the position that switch 60 is connected when plug 2 is connected to supply socket 1.
In the plc communication device being configured with the plug 2 with said structure, when this communicator is connected to supply socket 1, plug 2 utilizes abutting part 23 operate mobile part 63 with turn on-switch 60.Thus, when plc communication device is connected to supply socket 1, switch 60 is connected, and when plc communication device is not connected to supply socket 1 (namely, when not connecting any electric device or be connected with the electric device except plc communication device), switch 60 disconnects.
Utilize supply socket 1 and the plug 2 of above-described the present embodiment, under the state that plc communication device is connected to supply socket 1, switch 60 is connected and bypass circuit 15 forms the path walking around terminating circuit 14 between splicing ear 11 and female contact 12.That is, under the state that plug 2 is connected to supply socket 1, first bypass circuit 151 forms the path walking around terminating circuit 14 between the first splicing ear 111 and the first female contact 121, and same second bypass circuit 152 forms the path walking around terminating circuit 14 between the second splicing ear 112 and the second female contact 122.In this case, via bypass circuit 15 (the first bypass circuit 151, second bypass circuit 152), by between splicing ear 11 and female contact 12, therefore terminating circuit 14 does not work signal of communication.On the other hand, when plc communication device is not connected to supply socket 1, switch 60 disconnect and between splicing ear 11 and female contact 12 for walk around terminating circuit 14 path be cut off.In this case, terminating circuit 14 works, and for the frequency band of signal of communication, matches from the characteristic impedance of the impedance between a pair splicing ear 111 and 112 that power line is watched and power line.Therefore, supply socket 1 unlikely causes the reflection of signal of communication, and can suppress the deterioration of communication quality.
In brief, utilize said structure, switch between the state that the state of bypass circuit 15 can be worked at terminating circuit 14 by diverter switch 60 and the idle state of terminating circuit 14, thus be applicable to the electric device that will be connected to supply socket 1.Thus, supply socket 1 has the following advantages: supply socket 1 not only can be connected to plc communication device but also can be connected to the electric device except plc communication device; And supply socket 1 can suppress the deterioration of the communication quality under the state not connecting communicator.
The switch 60 of bypass circuit 15 is the operation of the operating main body (plug 2) of the outside be configured in response to Socket casing 10 and the switch switched between ON and OFF.That is, can when making switch 60 switch between ON and OFF without the need to using when signal of communication.Therefore, the simple structure eliminating communication unit and switch control unit can be utilized to realize supply socket 1, and the cost degradation of supply socket 1 can be realized.Therefore, even if also can save cost when importing PLC system when existing and should being provided with multiple supply sockets 1 of terminating circuit 14.
In the present embodiment, switch 60 comprises the push button type switch switched between ON and OFF in response to the pressing operation of movable piece 63, and wherein movable piece 63 and slot 13,13 are arranged in the identical faces of Socket casing 10.Thus, the movable piece 63 of the plane internal switch 60 in the front along Socket casing 10 is not mobile, and the hole that the operation of the movable piece 63 formed in the front of Socket casing 10 therefore can be made used is less.
The plug 2 that plc communication device adopts comprises and is configured to press the abutting part 23 of movable piece 63 when male contact 21,21 inserts, and plug 2 is used as and makes switch 60 between ON and OFF, carry out the operating main body switched.Thus, momentary type switch 60 is connected automatically when plc communication device is connected to supply socket 1, and automatically disconnects when this communicator disconnects from supply socket 1.Therefore, user is without the need to operating the movable piece 63 for diverter switch 60.In addition, can prevent the terminating circuit 14 when being connected with communicator from working and terminating circuit 14 these situations idle (these situations will occur when user forgets operate mobile part 63) when not connecting communicator.
Supply socket 1 is designed to Socket casing 10 and can be arranged on the installing rack of embedding mount type connecton layout.Therefore, identical with conventional embedding mount type supply socket, by being imbedded in wall at the rear portion of supply socket 1, this supply socket 1 can be installed.Thus, the overhang relative to wall surface can be suppressed.When utilizing the supply socket 1 comprising the present embodiment of terminating circuit 14 to change existing power supply socket, existing power supply socket self installing rack used can be reused.Therefore, supply socket 1 can be easily installed.
Plug 2 is not limited to have and makes abutting part 23 keep outstanding structure relative to plug casing 20, and can have abutting part 23 and can be contained in structure in plug casing 20.Particularly, as shown in Figure 4, plug 2 can have recess 24 on the face being provided with male contact 21,21 of plug casing 20, can be contained in recess 24 to make abutting part 23.In addition, the outer peripheral face of abutting part 23 is formed with screw thread.Utilize this structure, by utilizing the fixture of such as screwdriver etc. to make the abutting part 23 outstanding relative to plug casing 20 rotate, user can make abutting part 23 be contained in recess 24.That is, abutting part 23 is configured to switch between a first state and a second state, wherein the first state is the state that abutting part 23 is given prominence to relative to the face being provided with male contact 21,21 of plug casing 20, and the second state is the state that abutting part 23 is contained in plug casing 20.Only under the first state of abutting part 23, abutting part 23 just presses movable piece 63 when plug 2 inserts supply socket 1.
Abutting part 23 is configured to switch between a first state and a second state, therefore not only can be connected to the supply socket 1 of the present embodiment comprising switch 60 due to plug 2 but also the electric receptacle not comprising switch can be connected to, which thereby enhancing the convenience of plug 2.That is, by being switched to by abutting part 23 abutting part 23 to be contained in the second state in plug casing 20, plug 2 can be connected to conventional supply socket when not disturbing by abutting part 23.
The plug casing 20 of plug 2 can be integrally formed with the housing of plc communication device.In the structure shown here, male contact 21,21 is set directly on the housing of this communicator, and will omit cable 22.
The part that supply socket 1 is not limited to Socket casing 10 imbeds the embedding mount type in wall, and can be the exposed type being configured to be attached on the surface of wall etc.In the structure shown here, when without the need to forming installing hole in wall etc., supply socket 1 can be installed.
second embodiment
The difference of the supply socket 1 of the present embodiment and the supply socket 1 of the first embodiment is: bypass circuit 15 comprises the impedance component be connected in series with switch 60.To the Reference numeral that the element assigns of identical type is identical with described in the first embodiment, and by detailed.
In the present embodiment, as shown in Figure 5, bypass circuit 15 comprises: the first impedance component 71, and it is inserted between the first splicing ear 111 and the first female contact 121; And second impedance component 72, it is inserted between the second splicing ear 112 and the second female contact 122.First impedance component 71 and the first mechanical contact 61 are connected in series, and the second impedance component 72 and the second mechanical contact 62 are connected in series.
In other words, the bypass circuit 15 of the present embodiment comprises the first impedance component 71 and the second impedance component 72 be connected in series with the first mechanical contact 61 and second mechanical contact 62 of switch 60 respectively.That is, the first bypass circuit 151 comprises the first impedance component 71 be connected in series with the first mechanical contact 61, and the second bypass circuit 152 comprises the second impedance component 72 contacting contact 62 with second and be connected in series.
Compared with the frequency band of signal of communication, the first impedance component 71 and the second impedance component 72 have higher impedance separately relative to the frequency of AC power.First impedance component 71 and the second impedance component 72 comprise capacitor separately.When switch 60 is connected (, when both the first mechanical contact 61 and the second mechanical contact 62 are closed), bypass circuit 15 forms the path for walking around terminating circuit 14 between splicing ear 11 and female contact 12, but only signal of communication can pass through bypass circuit 15.That is, about AC power, impedance component 71,72 has high impedance separately, even and if when switch 60 is connected, AC power neither be passed through bypass circuit 15 but pass through the first inductor the 31 ~ four inductor 34 of terminating circuit 14.
Thus, the switch 60 of bypass circuit 15 can comprise the relatively little switch of electric capacity, as long as this switch makes signal of communication to pass through.As a result, supply socket 1 can be made miniaturized by making switch 60 miniaturization.First impedance component 71 and the second impedance component 72 comprise the capacitor relative to the frequency band of signal of communication with fully low impedance separately.As a result, impedance component 71,72 can comprise the relatively little assembly of size separately.
In the supply socket 1 of the present embodiment, the switch 60 of bypass circuit 15 comprises reed switch, and wherein this reed switch to be contained in Socket casing 10 and to be configured to switch between ON and OFF in response to external magnetic field.Therefore, switch 60 does not comprise the operating parts that Socket casing 10 exposes.Switch 60 is connected when applying magnetic field, and disconnects when not applying magnetic field.
Replace comprising abutting part, the plug (not shown) as operating main body that the supply socket 1 together with the present embodiment forms jockey comprises permanent magnet.Permanent magnet is configured in plug casing place, and is used as the magnetic force generating unit producing magnetic field.Plug is used on plc communication device.Utilize this structure, when this communicator is connected to supply socket 1, the switch 60 of bypass circuit 15 utilizes the magnetic field of permanent magnet automatically to connect.Permanent magnet can be built in plug casing, or can be arranged on the surface of plug casing.
Utilize the structure of above-described the present embodiment, because switch 60 does not comprise the moving part exposed from Socket casing 10, therefore there is the advantage that improve long-term reliability.In addition, the plug of the present embodiment is without the need to having relative to the outstanding abutting part of plug casing, therefore not only can be connected to the supply socket 1 of the present embodiment comprising switch 60 due to plug but also the electric receptacle not comprising switch can be connected to, which thereby enhancing convenience.
Other 26S Proteasome Structure and Function in the present embodiment is identical with the 26S Proteasome Structure and Function in the first embodiment.
3rd embodiment
As shown in Figure 6, the difference of the supply socket 1 of the present embodiment and the supply socket 1 of the first embodiment is: switch 60 comprises the operating parts 64 that the surface of Socket casing 10 is exposed.To the same reference numerals described in the element assigns of identical type and the first embodiment, and by detailed.
In the present embodiment, the operating main body for diverter switch 60 comprises operating parts 64, and switch 60 switches between ON and OFF in response to the operation of operating parts 64.That is, utilize hand direct control as the operating parts 64 of operating main body by user, the first mechanical contact 61 and second mechanical contact 62 opening and closing in response to the movement of operating parts 64 of switch 60.
In the example depicted in fig. 6, switch 60 comprises slide switch.The operating parts 64 of switch 60 is configured in the below of the slot 13,13 on the front of Socket casing 10.The operating parts 64 of switch 60 is removable between the first position and the second position on the direction (left and right directions in Fig. 6) that a pair slot 13,13 arranges.Switch 60 is connected when operating parts 64 is positioned at primary importance (left side), and disconnects when operating parts 64 is positioned at the second place (right side).Operating parts 64 has the plane roughly the same with the front of Socket casing 10, makes can not interfere plug when plug is connected to supply socket 1.
Utilize the structure of above-described the present embodiment, user manually can make switch 60 switch between ON and OFF by directly carrying out operation to operating parts 64.That is, switch between the state that user can make the state of supply socket 1 work at terminating circuit 14 and the idle state of terminating circuit 14, thus be applicable to the electric device that will be connected to supply socket 1.Thus, the conventional plug without abutting part can be adopted on plc communication device.
Switch 60 comprises slide switch.Therefore, user visually can confirm by the position watching operating parts 64 that switch 60 connects or disconnects.Therefore, the terminating circuit 14 when being connected with communicator can be suppressed to work and the generation (these situations will occur when user forgets and operates operating parts 64) of terminating circuit 14 these situations idle when not connecting communicator.
In the present embodiment, as shown in Figure 7, supply socket 1 is duplicate supply point-type, and in a Socket casing 10, be provided with two pairs of female contacts 121,122.That is, two pairs of female contacts 121,122 are connected to splicing ear 111,112 via each parallel circuits comprising the terminating circuit 14 and bypass circuit 15 be connected in parallel separately.Each pair of female contact 121,122 is electrically connected to power line via splicing ear 111,112.To each pair of female contact 121,122, two groups of terminating circuits 14 and bypass circuit 15 are set.Therefore, two groups of switches 60 are set to each pair of female contact 121,122, thus can make to switch between ON and OFF individually for the bypass circuit 15 set by each pair of female contact 121,122.
Utilize said structure, the each pair of female contact 121,122 had in the supply socket 1 of duplicate supply point can switch individually, thus be applicable to the electric device that will be connected to female contact 121,122 between the state and the idle state of terminating circuit 14 of terminating circuit 14 work.
Bypass circuit 15 can comprise the switch 60 that comprises operating parts 64 and replaces operating parts 64 and comprise both switches 60 of movable piece 63 (see the first embodiment), and forms the path walking around terminating circuit 14 any one that can be configured in these switches 60 is connected.Utilize this structure, when be connected with adopt communicator without the conventional plug of abutting part, user can form with turn on-switch 60 path walking around terminating circuit 14 by direct to operate operating parts 64.
Identical with the first embodiment, the supply socket 1 of the present embodiment can have the single supply point comprising a pair female contact 121,122.In addition, identical with the present embodiment, the supply socket 1 of the first embodiment can have duplicate supply point.
Other 26S Proteasome Structure and Function in the present embodiment is identical with the 26S Proteasome Structure and Function in the first embodiment.
4th embodiment
As shown in Figure 8, the difference of the supply socket 1 of the present embodiment and the supply socket 1 of the first embodiment is: terminating circuit 14 does not comprise the 3rd inductor, the 4th inductor, the 3rd resistor and the 4th resistor, and bypass circuit 15 is only arranged between the first splicing ear 111 and the first female contact 121 in addition.To the Reference numeral that the element assigns of identical type is identical with described in the first embodiment, and by detailed.
The supply socket 1 of the present embodiment is built-in with terminating circuit 14 in Socket casing 10, and wherein this terminating circuit 14 is inserted between splicing ear 111,112 and female contact 121,122.The supply socket 1 of the present embodiment is built-in with bypass circuit 15 (the first bypass circuit 151) in Socket casing 10, and wherein this bypass circuit 15 is connected in parallel with terminating circuit 14 between the first splicing ear 111 and the first female contact 121.
Terminating circuit 14 comprises the first inductor 31, second inductor 32, first resistor 41, second resistor 42, the 5th resistor 45 and capacitor 51.As shown in Figure 8, in terminating circuit 14, between the first splicing ear 111 and the first female contact 121, be inserted with the series circuit of the first inductor 31 and the second inductor 32.First resistor 41 and the second resistor 42 are connected in parallel with the first inductor 31 and the second inductor 32 respectively.Second splicing ear 112 is directly connected via such as wire etc. with the second female contact 122.First inductor 31 is connected with the tie point of the second splicing ear 112 with the second female contact 122 with the series circuit of capacitor 51 via the 5th resistor 45 with the tie point of the second inductor 32.
In the present embodiment, the first resistor 41 is corresponding relative to the characteristic impedance of the frequency band of signal of communication with power line with the combined resistance of the 5th resistor 45.First inductor 31 and capacitor 51 form the series resonant circuit of the frequency band of resonance frequency higher than the frequency of AC power and lower than signal of communication.
In above-mentioned terminating circuit 14, for the frequency of AC power, the first inductor 31 and the respective impedance of the second inductor 32 fully low, and the impedance of capacitor 51 is fully high.When electric device is connected to supply socket 1, AC power can be supplied to this electric device via the first inductor 31 of terminating circuit 14 and the second inductor 32.On the other hand, for the frequency band of signal of communication, the first inductor 31 and the respective impedance of the second inductor 32 fully high, and the impedance of capacitor 51 is fully low.Thus, when signal of communication is supplied to supply socket 1 from plc communication device via power line, this signal of communication passes through the series circuit of the first resistor 41, the 5th resistor 45 and capacitor 51 in terminating circuit 14 between a pair splicing ear 111,112.That is, for the frequency band of signal of communication, match from the characteristic impedance of the impedance between a pair splicing ear 111 and 112 that power line is watched and power line.Therefore, supply socket 1 unlikely causes the reflection of signal of communication, and can suppress the deterioration of communication quality.
The bypass circuit 15 of the present embodiment comprises the switch 60 be inserted between splicing ear 11 and female contact 12.Switch 60 comprises the first mechanical contact 61 be inserted between the first splicing ear 111 and the first female contact 121.That is, the series circuit of the first mechanical contact 61 and the first inductor 31 and the second inductor 32 is connected in parallel.Identical with the first embodiment, switch 60 comprises movable piece 63, and its first mechanical contact 61 opening and closing in response to the movement of movable piece 63.
Utilize said structure, when switch 60 is connected (, when the first mechanical contact 61 closes), bypass circuit 15 forms following path between splicing ear 11 and female contact 12, and wherein the effect in this path enables signal of communication walk around terminating circuit 14 by this path.On the other hand, the second splicing ear 112 and the second female contact 122 are connected to each other directly.Therefore, utilize this structure, supply socket 1 has the following advantages: the plc communication device being connected to supply socket 1 can be communicated with another plc communication device via signal of communication by turn on-switch 60; And supply socket 1 comprises terminating circuit 14.
Note, in the present embodiment, switch 60 can comprise the impedance component described in the second embodiment.Switch 60 can comprise the reed switch being configured to carry out between ON and OFF in response to external magnetic field switching.Switch 60 can comprise the operating parts 64 described in the 3rd embodiment.
Other 26S Proteasome Structure and Function in the present embodiment is identical with the 26S Proteasome Structure and Function in the first embodiment.
Note, the supply socket 1 described in above each embodiment can be earthing type supply socket.Plug 2 above described in each embodiment can be the plug comprising earth terminal.In the structure shown here, supply socket 1 comprises the earthy female contact of the earth terminal being configured to be connected to plug 2.In addition, the front of Socket casing 10 is formed with the ground connection slot for making the earth terminal of plug 2 insert.Earthy female contact is via ground connection such as such as wires.When the male contact 21,21 of plug 2 is inserted slot 13,13 of supply socket 1, the earth terminal of plug 2 is inserted the ground connection slot (earthy female contact) of supply socket 1.
In addition, in the structure shown here, supply socket 1 comprises terminating circuit 14 and bypass circuit 15.Thus, switch between the state that bypass circuit 15 can be worked at terminating circuit 14 by diverter switch 60 and the idle state of terminating circuit 14, thus be applicable to the electric device that will be connected to supply socket 1.Therefore, utilize this structure, supply socket 1 has the following advantages: supply socket 1 not only can be connected to plc communication device but also can be connected to the electric device except plc communication device; And supply socket 1 can suppress the deterioration of communication quality under the state not connecting communicator.
In the various embodiments described above, supply socket 1 is the connecton layout of the fixed position of the wall being configured to be arranged on such as house etc., but supply socket 1 is not limited to this example.That is, supply socket is not limited to the connecton layout being arranged on fixed position, and can be such as power panel or adapter etc.Supply socket can be configured to releasably to be mounted to another supply socket of being fixed on fixed position.
Although describe the present invention with reference to certain preferred embodiment, those skilled in the art can carry out multiple amendment and change when not deviating from true spirit of the present invention and scope, i.e. claims.
Claims (8)
1. a supply socket, it is configured to be applied to power line communication, and described power line communication is designed to via a pair power line as transmission path to transmit the signal of communication of predetermined frequency band, and described supply socket comprises at Socket casing:
A pair splicing ear, it is configured to be connected to described a pair power line;
A pair female contact, it is configured to a pair male contact being connected to plug, and described a pair male contact is designed to insert a pair slot being formed in described Socket casing thus is electrically connected to described supply socket;
Terminating circuit, carries out impedance matching for the frequency band for described signal of communication, and described terminating circuit is inserted between described a pair splicing ear and described a pair female contact; And
Bypass circuit, it is connected in parallel with described terminating circuit between described splicing ear and described female contact,
Wherein, described bypass circuit comprises the opening and closing that is configured to according to mechanical contact and between switching on and off, carries out the switch that switches, described mechanical contact in response to carrying out the movement of the operating main body operated in the outside of described Socket casing and opening and closing,
When described switch connection, the path that described bypass circuit is walked around described terminating circuit and formed for making described signal of communication pass through between described splicing ear and described female contact, and
Described bypass circuit comprises the impedance component be connected in series with described switch, and wherein compared with the frequency band of described signal of communication, for the frequency of the AC power supplied via described power line, described impedance component has higher impedance.
2. supply socket according to claim 1, wherein, described impedance component is capacitor.
3. supply socket according to claim 1 and 2, wherein,
Described operating main body comprises described plug, and
Described switching response in described a pair male contact relative to the insertion of described a pair slot with extract and switch between switching on and off.
4. supply socket according to claim 1 and 2, wherein, described switch comprises the operating parts as described operating main body, and wherein said operating parts exposes on the surface of described Socket casing.
5. a jockey, comprising:
Supply socket according to claim 3; And
As the described plug of described operating main body, described plug has described a pair male contact being arranged on plug casing and being configured to insert described a pair slot of described supply socket,
Wherein, described switch comprises the movable piece be arranged on the face being formed with described a pair slot of described Socket casing, the opening and closing in response to the pressing operation of described movable piece of described mechanical contact, and
Described plug has abutting part, and described abutting part to be configured on described plug casing and to be configured to contact with described movable piece when described a pair male contact inserts and press described movable piece.
6. jockey according to claim 5, wherein, described abutting part can switch between a first state and a second state, described first state is that described abutting part is given prominence to relative to the face being provided with described a pair male contact of described plug casing, to make the described abutting part when described a pair male contact inserts press the state of described movable piece, and described second state is the state that described abutting part is contained in described plug casing.
7. a jockey, comprising:
Supply socket according to claim 3; And
As the described plug of described operating main body, described plug has described a pair male contact being arranged on plug casing and being configured to insert described a pair slot of described supply socket,
Wherein, described switch-linear hybrid in described Socket casing, the opening and closing in response to external magnetic field of described mechanical contact, and
Described plug comprises magnetic force generating unit at described plug casing, and described magnetic force generating unit is used for producing when described a pair male contact inserts the magnetic field making described switch connection used.
8. the jockey according to any one of claim 5 to 7, wherein, the size of described supply socket is formed can be arranged on the installing rack of embedding mount type connecton layout.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-088433 | 2011-04-12 | ||
| JP2011088433A JP5632788B2 (en) | 2011-04-12 | 2011-04-12 | Outlets and connection devices |
| PCT/JP2012/058289 WO2012141010A1 (en) | 2011-04-12 | 2012-03-29 | Power outlet and connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103477565A CN103477565A (en) | 2013-12-25 |
| CN103477565B true CN103477565B (en) | 2015-03-18 |
Family
ID=47009190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280018073.2A Expired - Fee Related CN103477565B (en) | 2011-04-12 | 2012-03-29 | Power outlet and connection device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5632788B2 (en) |
| CN (1) | CN103477565B (en) |
| WO (1) | WO2012141010A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014179676A (en) * | 2013-03-13 | 2014-09-25 | Panasonic Corp | Operation terminal control system |
| US20150116054A1 (en) * | 2013-10-31 | 2015-04-30 | SunEdison Inc. | Apparatus and systems for filtering for power line communication |
| JP2018088714A (en) * | 2018-02-21 | 2018-06-07 | パナソニックＩｐマネジメント株式会社 | Relay terminal |
| JP2019176304A (en) * | 2018-03-28 | 2019-10-10 | 株式会社ダイヘン | Bypass circuit |
| CN115864071B (en) * | 2022-12-01 | 2023-09-26 | 江苏卓胜微电子股份有限公司 | Bypass joint, processing equipment and maintenance method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1452816A (en) * | 2000-05-30 | 2003-10-29 | 阿斯科姆电力线通讯有限公司 | Method and system for transmitting data over low-voltage electricity suppy network |
| JP2004304365A (en) * | 2003-03-28 | 2004-10-28 | Tdk Corp | Power line terminating circuit, method thereof, and power line repeating device |
| WO2007046438A1 (en) * | 2005-10-19 | 2007-04-26 | Matsushita Electric Industrial Co., Ltd. | Power outlet device |
| JP2008236290A (en) * | 2007-03-20 | 2008-10-02 | Sumitomo Electric Ind Ltd | Multiport plug and table tap |
| CN101356743A (en) * | 2006-03-23 | 2009-01-28 | 硅***设计公司 | Device for communications via the electricity mains with filtered auxiliary power outlet |
| JP2010186594A (en) * | 2009-02-10 | 2010-08-26 | Omron Corp | Inserting plug, electric appliance, and control method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4767638B2 (en) * | 2005-09-21 | 2011-09-07 | パナソニック株式会社 | Filter device |
| JP4712521B2 (en) * | 2005-10-26 | 2011-06-29 | パナソニック株式会社 | Termination device |
| JP5110581B2 (en) * | 2007-12-28 | 2012-12-26 | シャープ株式会社 | Modulator and power line communication system |
-
2011
- 2011-04-12 JP JP2011088433A patent/JP5632788B2/en active Active
-
2012
- 2012-03-29 CN CN201280018073.2A patent/CN103477565B/en not_active Expired - Fee Related
- 2012-03-29 WO PCT/JP2012/058289 patent/WO2012141010A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1452816A (en) * | 2000-05-30 | 2003-10-29 | 阿斯科姆电力线通讯有限公司 | Method and system for transmitting data over low-voltage electricity suppy network |
| JP2004304365A (en) * | 2003-03-28 | 2004-10-28 | Tdk Corp | Power line terminating circuit, method thereof, and power line repeating device |
| WO2007046438A1 (en) * | 2005-10-19 | 2007-04-26 | Matsushita Electric Industrial Co., Ltd. | Power outlet device |
| CN101356743A (en) * | 2006-03-23 | 2009-01-28 | 硅***设计公司 | Device for communications via the electricity mains with filtered auxiliary power outlet |
| JP2008236290A (en) * | 2007-03-20 | 2008-10-02 | Sumitomo Electric Ind Ltd | Multiport plug and table tap |
| JP2010186594A (en) * | 2009-02-10 | 2010-08-26 | Omron Corp | Inserting plug, electric appliance, and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012141010A1 (en) | 2012-10-18 |
| JP2012222696A (en) | 2012-11-12 |
| CN103477565A (en) | 2013-12-25 |
| JP5632788B2 (en) | 2014-11-26 |
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