CN102654763A - Line concentration device and communication system - Google Patents
Line concentration device and communication system Download PDFInfo
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- CN102654763A CN102654763A CN201210053168XA CN201210053168A CN102654763A CN 102654763 A CN102654763 A CN 102654763A CN 201210053168X A CN201210053168X A CN 201210053168XA CN 201210053168 A CN201210053168 A CN 201210053168A CN 102654763 A CN102654763 A CN 102654763A
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- 238000004891 communication Methods 0.000 title claims abstract description 93
- 238000012423 maintenance Methods 0.000 abstract description 9
- 239000012141 concentrate Substances 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 8
- 231100001261 hazardous Toxicity 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention provides a line concentration device and a communication system provided with the same. The line concentration device will not lead to great increase of cost, and can safely perform maintenance of on-site equipment. A communication node (12) of the line concentration device concentrates cables C connected with the on-site equipment, and is provided with a plurality of power supply portions (21) and a control portion (22), wherein the plurality of power supply portions are connected to the on-site equipment one by one via the cables C, and supply power to the corresponding on-site equipment, and the control portion respectively controls whether power is supplied from the plurality of power supply portions (21) to the corresponding on-site equipment.
Description
Technical field
The present invention relates to the concentrated line concentrator of a kind of connecting line that will be connected and have the communication system of this line concentrator with field apparatus.
Background technology
Current; In workshop or factory etc.; In order to realize senior automatic job; Construct scattered control system (DCS:Distributed Control System), its through will being called as field equipment connecting line field apparatus (analyzer, manipulater) and carry out their management and the equipment management device of control is formed by connecting.In workshop of constructing this scattered control system etc.; In order to make the simplification that is connected of field apparatus and equipment management device; The line concentrator that is called as remote I is set between equipment and the equipment management device at the scene, perhaps, via communication bus field apparatus is carried out bus and connect.
The above-mentioned line concentrator that is called as remote I; Have IO module and communication interface; This IO module field equipment connecting, this communication interface communicates between itself and equipment management device, and the mensuration information that this line concentrator is collected field apparatus is (for example; The mensuration result's of expression flow information) send to equipment management device, and will export field apparatus to from the control information of equipment management device.In addition, remote I is carried out the power supply supply via the connecting line of field equipment connecting and IO module to field apparatus.Owing to have the situation of use inflammable gas in workshop etc., so remote I is set to mostly be housed in the explosion-proof tank.
Equipment carries out in the bus ways of connecting via communication bus (for example, fieldbus) at the scene, uses the line concentrator that is called as junction box.This junction box is the device with the communication bus that is connected with equipment management device each field apparatus connection of part Zhi Eryu within it.Here, the communication bus of field equipment connecting is carried out power supply supply with, via the communication bus of branch each field apparatus is carried out power supply and supply with in the inside of junction box.In addition, in the patent documentation 1 below, an example that uses the system of junction box is disclosed.
Patent documentation 1: japanese kokai publication hei 10-96731 communique
Summary of the invention
To be arranged on the field apparatus in workshop etc. and when changing, must to pull down connecting line in order to safeguard from line concentrators such as above-mentioned remote I or junction box or field apparatus.As stated; Because the power supply to field apparatus is supplied with; Connecting line via connecting line concentrator and field apparatus carries out, therefore, and when the line concentrator that is arranged on such hazardous area, the place of for example using inflammable gas or field apparatus are pulled down connecting line; Make the connecting line short circuit if the consideration operator is mistaken, then cause the danger that inflammable gas catches fire.
Here, if consider when safeguarding, to make the operation in workshop etc. to stop, the processing of the perhaps removal of inflammable gas (removal of hazardous gas) etc. then can be got rid of above-mentioned danger.But,, then exist because the problem that cost outside the required cost of the replacing etc. of field apparatus makes the maintenance cost rising takes place if carry out this processing.Especially, if stop the operation in workshop etc., then opportunity loss increases, the problem that therefore exists maintenance cost to rise higher.
Get rid of the danger that causes that inflammable gas catches fire in order not follow significantly rising of cost, consider to supply with as long as only the field apparatus that should change as service object is stopped power supply.But have following problems, that is,, can't make the power supply of specific field apparatus supplied with to stop respectively though existing remote I or junction box can stop the power supply of all field apparatuss of connecting is supplied with in the lump.
The present invention proposes in view of the above problems, the communication system that its purpose is that a kind of line concentrator is provided and has this line concentrator, and this line concentrator can not cause the significantly rising of cost, can carry out the maintenance of field apparatus safely.
In order to solve above-mentioned problem; The connecting line (C) that line concentrator of the present invention (12,16,17) will be connected with field apparatus (11) is concentrated; It is characterized in that; Have: a plurality of power suppling parts (21), it is connected with aforementioned field apparatus via aforementioned connecting line one to one, carries out power supply to the field apparatus of correspondence and supplies with; And power control part (22), it controls whether carry out the power supply supply from aforementioned a plurality of power suppling parts to the field apparatus of correspondence respectively.
According to the present invention, whether supply with from carrying out power supply to corresponding field apparatus with a plurality of power suppling parts that field apparatus connects one to one, control respectively by power control part.
In addition, line concentrator of the present invention is characterised in that to have display part (23), and whether it shows is carried out the power supply supply from aforementioned a plurality of power suppling parts to the field apparatus of correspondence respectively.
In addition, line concentrator of the present invention is characterised in that to have airtight framework (B, B1), and it can be from the demonstration of visual observation aforementioned display.
In addition, line concentrator of the present invention is characterised in that to have Department of Communication Force (24), and it utilizes wireless or infrared ray communicates, and the aforementioned power source control part is controlled aforementioned a plurality of power suppling parts based on the control signal that is received by aforementioned communication portion.
In addition, line concentrator of the present invention is characterised in that the aforementioned power source control part can carry out the communication via the network (N, N1, N2) that connects line concentrator, based on the control signal of sending via this network aforementioned a plurality of power suppling parts is controlled.
Communication system of the present invention (1,2) is that field apparatus (11) is connected with network (N, N1, N2) and constitutes, and it is characterized in that having: above-mentioned line concentrator, and its connecting line (C) that will be connected with aforementioned field apparatus is concentrated, and is connected with aforementioned network; And dispensing device (14,15), it is connected with aforementioned network, and the control signal that will control aforementioned a plurality of power suppling parts that aforementioned line concentrator has via aforementioned network is sent in the aforementioned line concentrator.
The effect of invention
According to the present invention; Because whether power control part is controlled respectively from carrying out power supply with a plurality of power suppling parts that field apparatus connects one to one to corresponding field apparatus and is supplied with; Every field apparatus is carried out the supply of power supply or stops; Therefore have the significantly rising that can not cause cost, the effect that can carry out the maintenance of field apparatus safely.
Description of drawings
Fig. 1 is the integrally-built module map of expression according to the communication system of the 1st embodiment of the present invention.
Fig. 2 is the module map of wanting portion structure of expression conduct according to the communication node of the line concentrator of the 1st embodiment of the present invention.
Fig. 3 is the integrally-built module map of expression according to the communication system of the 2nd embodiment of the present invention.
Fig. 4 is the module map of wanting portion structure of expression conduct according to the communication node of the line concentrator of the 3rd embodiment of the present invention.
Fig. 5 is the figure of expression conduct according to the outward appearance of the communication node of the line concentrator of the 4th embodiment of the present invention.
Embodiment
Below, with reference to accompanying drawing according to the embodiment of the present invention line concentrator and communication system is elaborated.
(the 1st embodiment)
Fig. 1 is the integrally-built module map of expression according to the communication system of the 1st embodiment of the present invention.As shown in Figure 1; The communication system 1 of this embodiment has a plurality of field apparatus 11, communication node 12 (line concentrator), controller 13 and end device 14 (dispensing device), can carry out the communication between field apparatus 11 and controller 13 and the end device 14 via communication node 12.
The cable C (connecting line) that communication node 12 will be connected with each field apparatus 11 concentrates, and is connected with network N, is the device that the communication of carrying out between equipment 11 and controller 13 or the end device 14 is at the scene carried out relaying.This communication node 12 and field apparatus 11 identical ground are arranged on the scene in workshop etc.In addition, communication node 12 also carries out the power supply supply via cable C to each field apparatus 11.In addition, narrate at the back for the detailed content of communication node 12.
Below, communication node 12 is elaborated.Fig. 2 is the module map of wanting portion structure of expression conduct according to the communication node of the line concentrator of the 1st embodiment of the present invention.As shown in Figure 2, communication node 12 is that a plurality of power suppling part 21, control part 22 (power control part) and a plurality of light-emitting component 23 (display part) are housed in the structure among the framework B.Framework B is the box part of the hollow that formed by higher metals of rigidity such as for example high rigidity aluminium.Communication node 12 for example is arranged on such hazardous area, place of using inflammable gas sometimes, therefore forms airtight construction in order to satisfy explosion-proof necessary condition.
Whether control part 22 is controlled respectively and is carried out supplying with to the power supply of the field apparatus 11 of correspondence from power suppling part 21.Specifically, control part 22 can communicate via network N, based on the control command of sending via network N (control signal) power suppling part 21 is controlled.In addition, via the control command that network N is received by control part 22, send by the end device among Fig. 1 14.
Light-emitting component 23 for example is LED (Light Emitting Diode), is provided with accordingly with each power suppling part 21 (cable C).Only during carrying out to cable C that power supply supplies with, the light-emitting component 23 bright lamps that are provided with accordingly with this cable C.Thus, light-emitting component 23 is used to confirm to carry out the field apparatus 11 of power supply supply and do not carry out the field apparatus 11 that power supply is supplied with.This light-emitting component 23 is as shown in Figure 1, is housed in the framework B with the outside discernible mode from framework B.
Below, the action of the communication system in the said structure 1 is described.In addition, under original state, carry out power supply from communication node 12 to all field apparatuss 11 and supply with, the operator changes one operation in a plurality of field apparatuss 11 then.At first, the operator comes the scene of the field apparatus 11 that setting should change, and arrives the place that is provided with of communication node 12 along the cable C that is connected with this field apparatus 11, confirms and the corresponding light-emitting component of this cable C 23 bright lamp whether.
Under the situation of confirming light-emitting component 23 bright lamps, the operator uses communication unit reporting system keeper such as mobile phone should stop the field apparatus that power supply is supplied with.The system manager who receives this notice operates end device 14, and input specifies the information stop the field apparatus that power supply supplies with and expression to stop the information of the indication that power supply supplies with.Like this, send control command that expression to determined field apparatus 11 stop the indication of power supply supply via network N to communication node 12 from end device 14.
If receive the control command from end device 14, then 22 pairs of control parts stop the control that power supply is supplied with field apparatus 11 corresponding power suppliers 21 by this control command appointment.If carry out this control, then, therefore turn off the light with the corresponding light-emitting component 23 of this cable C owing to stop to the power supply supply of field apparatus 11 via cable C.Thus, the power supply supply that the operator can discern to the field apparatus that should change 11 stops, therefore can carry out the replacing operation of field apparatus securely.
If the replacing end of job, then the operator uses communication unit reporting system keepers such as mobile phone to change the indication of the end of job.The system manager who receives this notice operates end device 14, and the information of the field apparatus that begins the power supply supply and the information of the indication of expression beginning power supply supply are specified in input.Like this, send expression control command to the indication of the field apparatus 11 beginning power supplys supplies of appointment via network N to communication node 12 from end device 14.
If receive the control command from end device 14, then 22 pairs of control parts begin the control that power supply is supplied with field apparatus 11 corresponding power suppliers 21 by this control command appointment.If carry out this control, then begin to carry out supplying with to the power supply of field apparatus 11, with the corresponding light-emitting component 23 bright lamps of this cable C via cable C.Thus, the operator can discern to supply with to the power supply of the field apparatus 11 that has carried out changing operation and begin.
As stated; In this embodiment; Since be provided with have the power suppling part 21 that is connected one to one via connecting line C and field apparatus 11 and respectively control whether carry out the communication node 12 of the control part 22 that power supply supplies with to field apparatus 11 from power suppling part 22, therefore can be only stop the power supply supply to the field apparatus 11 of replacing object.In addition, utilize the bright lamp light-off of light-emitting component 23 can confirm to carry out power supply field apparatus of supplying with 11 and the field apparatus 11 that stops the power supply supply.
Thus, the operator need not directly to touch communication node 12 with hand, and also can not make cable C short circuit by error, therefore can carry out the replacing operation of field apparatus 11 safely.In addition, because when the replacing operation of carrying out field apparatus 11, the operation that need not to carry out workshop etc. stops or the removal of inflammable gas, therefore can not cause the significantly rising of cost and safeguards.
(the 2nd embodiment)
Fig. 3 is the integrally-built module map of expression according to the communication system of the 2nd embodiment of the present invention.In addition, in Fig. 3, for the module mark identical label identical with module shown in Figure 1.The communication system 2 of this embodiment shown in Figure 3 is the structure that the end device 14 that communication system shown in Figure 11 is had is replaced with wireless device 15 (dispensing device).
Below, the action of the communication system in the said structure 2 is described.Ground identical with the 1st embodiment, the operator comes the scene that is provided with the field apparatus 11 that should change, along the cable C that is connected with this field apparatus 11, arrives the place that is provided with of communication node 12, confirms and the corresponding light-emitting component of this cable C 23 bright lamp whether.Under the situation of confirming light-emitting component 23 bright lamps, the operator operates mobile terminal apparatus TM1, and input specifies the information that stops the field apparatus that power supply supplies with and expression to stop the information of the indication that power supply supplies with.Like this, utilize radio communication to send expression stops the indication of power supply supply to the field apparatus 11 of appointment control command from mobile terminal apparatus TM1.
Control command from mobile terminal apparatus TM1 sends is received by wireless device 15, sends to communication node 12 via network N.If this control command is received by the control part of communication node 12 22, then identical with the 1st embodiment ground is to stopping the control that power supply is supplied with field apparatus 11 corresponding power suppliers 21 by this control command appointment.In addition; Finish the operator under the situation of replacing operation of field apparatus 11; If TM1 operates to mobile terminal apparatus; The information of the field apparatus that begins the power supply supply and the information of the indication of expression beginning power supply supply are specified in input, then this field apparatus are begun the power supply supply with the 1st embodiment identically.
As stated; In this embodiment; Also can only supply with stopping power supply as the field apparatus 11 of changing object, and, also can utilize the bright lamp light-off of light-emitting component 23 to confirm to carry out the field apparatus 11 of power supply supply and stop the field apparatus 11 that power supply is supplied with.Thus, the operator can carry out to a personal security maintenance of field apparatus, can not cause the significantly rising of cost.
(the 3rd embodiment)
Fig. 4 is the module map of wanting portion structure of expression conduct according to the communication node of the line concentrator of the 3rd embodiment of the present invention.In addition, in Fig. 4, for the module mark identical label identical with module shown in Figure 2.The communication node 16 of this embodiment shown in Figure 4 is the structure that Department of Communication Force 24 is set in communication node shown in Figure 2 12.
Department of Communication Force 24 be arranged between the mobile terminal apparatus TM2 with respect to communication node 16 closer distance (example, ten～tens of meters degree), registered trademark) carry out bluetooth (Bluetooth: wireless near field communication or in-plant infrared communication such as.Mobile terminal apparatus TM2 for example is plate computing machine or mobile phone etc.; Operator by the replacing operation of carrying out field apparatus 11 carries; Identical ground with the mobile terminal apparatus TM1 that in the 2nd embodiment, explains, the field apparatus 11 that has appointment carries out the function that stops that power supply is supplied with or power supply is supplied with.
Here; In aforesaid the 2nd embodiment; Between mobile terminal apparatus TM1 that the operator carries and wireless device 15, carry out radio communication; Expression is supplied with specific field apparatus 11 beginning power supplys or the control command of the indication that stops, sends to communication node 12 via wireless device 15 from mobile terminal apparatus TM1.Relative with it; In this embodiment; At mobile terminal apparatus TM2 that the operator carries be arranged between the Department of Communication Force 24 in the communication node 16 and carry out radio communication or infrared communication, above-mentioned control command is directly sent to the Department of Communication Force 24 of communication node 16 from mobile terminal apparatus TM2.And control part 22 carries out the control to power suppling part 21 based on the control command that is received by Department of Communication Force 24.
As stated; In this embodiment; Also can only stop power supply and supply with field apparatus 11 as the replacing object, and, also can utilize the bright lamp light-off of light-emitting component 23 to specify the field apparatus 11 that carries out the power supply supply and stop the field apparatus 11 that power supply is supplied with.Thus, even be not provided with like the described wireless device 15 of the 2nd embodiment, the operator also can carry out to a personal security maintenance of field apparatus, can not cause the significantly rising of cost.
(the 4th embodiment)
Fig. 5 is the outside drawing of expression conduct according to the communication node of the line concentrator of the 4th embodiment of the present invention.As shown in Figure 5, the communication node 17 of this embodiment is made up of three framework B1～B3, will be in order to improve its reliability network N 1, the N2 of redundancyization merge and form the redundancyization structure.Network N 1, N2 are the networks with the network N redundancyization that is connected with controller 13 etc., even produce wrong and under the situation that can not communicate, also can communicate via another network at network N 1, N2 some.
Constitute three framework B1～B3 of communication node 17, the box shape assembly of the hollow that the higher metal of rigidity such as the for example high rigidity aluminium of all serving as reasons forms becomes airtight construction in order to satisfy explosion-proof necessary condition.Framework B1 accommodates a plurality of power suppling parts 21 and a plurality of light-emitting components 23.In addition, framework B1 accommodates light-emitting component 23 with the mode that can discern light-emitting component 23 from the outside of framework B1.Framework B2, B3 accommodate control part 22 respectively.For example, the control part 22 that is housed among the framework B2 uses as current use system, and the control part 22 that is housed among the framework B3 uses as back-up system.
In said structure, under the control part 22 normal situation in being contained in framework B2, based on the control command of sending power suppling part 21 is controlled via network N 1 by being housed in framework B2 inner control portion 22.Relative with it, the control part 22 in being contained in framework B2 produces under the unusual situation, power suppling part 21 is controlled based on the control command of sending via network N 2 by the control part 22 that is housed among the framework B3.
As stated, the structure of communication node 17 is to be separated into power suppling part 21 and light-emitting component 23 that is provided with for every cable C and the control part 22 of controlling power suppling part 21, with control part 22 redundancyizatioies.Thus,, the action of communication node 17 is stopped, can changing the control part 22 that produces fault even be housed in some generation faults of the control part 22 among framework B2, the B3.And, because only will accommodating the framework B2 or the framework B3 of the control part 22 that produces fault, the replacing of control part 22 pulls down, framework B2 or framework B3 that the control part 22 that contains regular event is installed get final product, and therefore also can not produce short circuit.
As stated; In this embodiment; Also can only supply with stopping power supply as the field apparatus 11 of changing object, and, also can utilize the bright lamp light-off of light-emitting component 23 to confirm to carry out the field apparatus 11 of power supply supply and stop the field apparatus 11 that power supply is supplied with.Thus, can not cause the significantly rising of cost, can carry out the maintenance of field apparatus safely.
In addition, the communication node 17 of this embodiment also goes for any of communication system 1,2 of the 1st, the 2nd embodiment.In addition, also can shown in the communication node 16 of the 3rd embodiment, become the structure that Department of Communication Force 24 is set in framework B2, B3.Being applicable to through the communication node 17 that makes this embodiment the communication system 2 of the 2nd embodiment perhaps becomes the structure shown in the communication node 16 of the 3rd embodiment, and the operator can a people carry out the maintenance of field apparatus.
Above according to the embodiment of the present invention line concentrator and communication system is illustrated, but the present invention is not limited to above-mentioned embodiment, can freely change within the scope of the invention.For example, line concentrator of the present invention can be used in any of existing remote I or junction box.
Claims (6)
1. line concentrator, its connecting line that will be connected with field apparatus is concentrated, and it is characterized in that having:
A plurality of power suppling parts, it is connected with aforementioned field apparatus via aforementioned connecting line one to one, carries out power supply to the field apparatus of correspondence and supplies with; And
Power control part, it controls whether carry out the power supply supply from aforementioned a plurality of power suppling parts to the field apparatus of correspondence respectively.
2. line concentrator according to claim 1 is characterized in that,
Have display part, whether it shows is carried out the power supply supply from aforementioned a plurality of power suppling parts to the field apparatus of correspondence respectively.
3. line concentrator according to claim 2 is characterized in that,
Have airtight framework, can discern the demonstration of aforementioned display from its outside.
4. according to each the described line concentrator in the claim 1 to 3, it is characterized in that,
Have Department of Communication Force, it utilizes wireless or infrared ray communicates,
The aforementioned power source control part is controlled aforementioned a plurality of power suppling parts based on the control signal that is received by aforementioned communication portion.
5. according to each the described line concentrator in the claim 1 to 4, it is characterized in that,
The aforementioned power source control part can communicate via the network that line concentrator connected, and based on the control signal of sending via this network aforementioned a plurality of power suppling parts is controlled.
6. communication system, it constitutes through field apparatus is connected with network, it is characterized in that having:
The described line concentrator of claim 5, its connecting line that will be connected with aforementioned field apparatus is concentrated, and is connected with aforementioned network; And
Dispensing device, it is connected with aforementioned network, will control the control signal of aforementioned a plurality of power suppling parts that aforementioned line concentrator has via aforementioned network and send to aforementioned line concentrator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011045062A JP2012182720A (en) | 2011-03-02 | 2011-03-02 | Line concentrator and communication system |
| JP2011-045062 | 2011-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102654763A true CN102654763A (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210053168XA Pending CN102654763A (en) | 2011-03-02 | 2012-03-02 | Line concentration device and communication system |
Country Status (2)
| Country | Link |
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| JP (1) | JP2012182720A (en) |
| CN (1) | CN102654763A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6102808B2 (en) | 2014-03-20 | 2017-03-29 | 横河電機株式会社 | Device adapter, device system, and activation control method |
| JP6816672B2 (en) | 2017-07-26 | 2021-01-20 | 横河電機株式会社 | Input / output device production method and input / output device |
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|---|---|---|---|---|
| JPH1096731A (en) * | 1996-09-24 | 1998-04-14 | Hitachi Ltd | Shutdown control device and distributed control method |
| JPH11177598A (en) * | 1997-12-12 | 1999-07-02 | Canon Inc | Hub, device, communication method therefor and storage medium storing computer readable program |
| JP2000183903A (en) * | 1998-12-16 | 2000-06-30 | Fuji Electric Co Ltd | Fieldbus system setting device |
| CN101964552A (en) * | 2009-07-23 | 2011-02-02 | 富士通电子零件有限公司 | Power supply device, and remote control device thereof |
| JP2011030338A (en) * | 2009-07-23 | 2011-02-10 | Fujitsu Component Ltd | Power supply device and remote control terminal device used thereof |
| CN202076618U (en) * | 2011-03-11 | 2011-12-14 | 四川品胜电子有限公司 | Concentrator for transmitting data and charging simultaneously |
-
2011
- 2011-03-02 JP JP2011045062A patent/JP2012182720A/en active Pending
-
2012
- 2012-03-02 CN CN201210053168XA patent/CN102654763A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1096731A (en) * | 1996-09-24 | 1998-04-14 | Hitachi Ltd | Shutdown control device and distributed control method |
| JPH11177598A (en) * | 1997-12-12 | 1999-07-02 | Canon Inc | Hub, device, communication method therefor and storage medium storing computer readable program |
| JP2000183903A (en) * | 1998-12-16 | 2000-06-30 | Fuji Electric Co Ltd | Fieldbus system setting device |
| CN101964552A (en) * | 2009-07-23 | 2011-02-02 | 富士通电子零件有限公司 | Power supply device, and remote control device thereof |
| JP2011030338A (en) * | 2009-07-23 | 2011-02-10 | Fujitsu Component Ltd | Power supply device and remote control terminal device used thereof |
| CN202076618U (en) * | 2011-03-11 | 2011-12-14 | 四川品胜电子有限公司 | Concentrator for transmitting data and charging simultaneously |
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| Publication number | Publication date |
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| JP2012182720A (en) | 2012-09-20 |
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Application publication date: 20120905 |