CN115885445B - Auxiliary power adapter - Google Patents
Auxiliary power adapter Download PDFInfo
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- CN115885445B CN115885445B CN202080102672.7A CN202080102672A CN115885445B CN 115885445 B CN115885445 B CN 115885445B CN 202080102672 A CN202080102672 A CN 202080102672A CN 115885445 B CN115885445 B CN 115885445B
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- 239000000758 substrate Substances 0.000 claims abstract description 83
- 238000001514 detection method Methods 0.000 claims description 21
- 230000005856 abnormality Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 14
- 230000004048 modification Effects 0.000 description 14
- 238000012986 modification Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Stand-By Power Supply Arrangements (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The auxiliary power adapter (4) is disposed between the module unit (5) and the substrate (1). The auxiliary power adapter (4) has: a1 st connector connected to the substrate (1) and receiving power from the substrate (1) and transmitting and receiving a control signal to and from the substrate (1); a2 nd connector connected to the module unit (5) so as to supply power to the module unit (5) and transmit and receive a control signal to and from the module unit (5); and a power system selection unit (44) that selects, as power to be supplied to the module unit (5), either or both of power supplied from the substrate (1) and power supplied from a power supply unit that is different from the substrate (1), and supplies power to the module unit (5) from the 2 nd connector.
Description
Technical Field
The present invention relates to auxiliary power adapters.
Background
In a system using a programmable logic controller (hereinafter referred to as a PLC: programmableLogic Controller), when a high-performance unit capable of performing operations on large-capacity data, a high-speed operation processing unit, or other unit having large power consumption is used, there is a possibility that the power is insufficient depending on the amount of power supplied from a power supply module. Here, for example, patent document 1 discloses a technology capable of supplying power generated inside a power supply module and power supplied from outside to a PLC system in a switching manner as means for compensating for the power supply provided by the conventional power supply module.
Patent document 1: japanese patent laid-open publication No. 2011-187027
Disclosure of Invention
In the technology disclosed in patent document 1, a mechanism for switching between electric power generated inside the power supply module and electric power supplied from the outside is required. Therefore, there is a problem that the conventional PLC system cannot be directly used. In addition, in the PLC system, there are cases where not only a unit having large power consumption but also a unit having small power consumption is included. In this case, if the same value of power as that of the unit with large power consumption is supplied to the unit with small power consumption, the supplied power is wasted. Therefore, it is desirable to supply the power of a required value to each module unit. However, in the technology disclosed in patent document 1, a power supply line for supplying power to each module unit of the PLC system is common to the PLC system as a whole. Accordingly, in the technology disclosed in patent document 1, the same value of electric power is supplied to each module unit. Therefore, it is difficult to supply the power of a required value to each module unit.
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an auxiliary power adapter capable of supplying power of a desired value to each module unit without changing the configuration of a PLC system.
In order to achieve the above object, an auxiliary power adapter is disposed between a module unit that controls a device to be controlled and a substrate that supplies power to the module unit and transmits and receives a control signal to and from the module unit. The auxiliary power adapter has: a1 st connector connected to the substrate to receive power from the substrate and transmit/receive a control signal to/from the substrate; a2 nd connector connected to the module unit to supply power to the module unit and to transmit and receive a control signal to and from the module unit; and a power system selection unit that selects, as power to be supplied to the module unit, either one or both of power supplied from the substrate and power supplied from a power supply unit different from the substrate, and supplies power to the module unit from the 2 nd connector.
ADVANTAGEOUS EFFECTS OF INVENTION
The auxiliary power adapter of the present invention is mounted between a substrate and a module unit of a PLC system, and can supply power of a desired value to each module unit without changing the configuration of the PLC system by selecting either or both of power supplied from the substrate and power supplied from a power supply unit different from the substrate.
Drawings
Fig. 1 is a diagram showing an example of the overall configuration of a PLC unit including an auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 2 is a cross-sectional view of an auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 3 is a diagram showing a configuration of an auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 4A is a diagram showing a configuration of a power system selection unit of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 4B is a diagram showing power supply from the substrate to the power system selection unit of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 4C is a diagram showing power supply from an external power source to the power system selection unit of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 4D is a diagram showing power supply from the substrate and the external power supply to the power system selection unit of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 5 is a diagram showing an example of the configuration of an auxiliary power adapter according to embodiment 2 of the present invention.
Fig. 6 is a diagram showing a hardware configuration of an auxiliary power adapter according to embodiment 2 of the present invention.
Fig. 7 is a flowchart of a power supply switching process in the auxiliary power supply adapter according to embodiment 2 of the present invention.
Fig. 8 is a diagram showing a modification of the configuration of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 9 is a cross-sectional view showing a modification of the configuration of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 10 is a cross-sectional view showing a modification of the configuration of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 11 is a diagram showing a modification of the configuration of the auxiliary power adapter according to embodiment 1 of the present invention.
Fig. 12 is a flowchart showing a modification of the power supply source selection process in the auxiliary power adapter according to embodiment 1 of the present invention.
Detailed Description
(Embodiment 1)
The auxiliary power adapter 4 according to embodiment 1 of the present invention will be described below with reference to the drawings. Further, the same or equivalent parts are denoted by the same reference numerals.
The auxiliary power adapter 4 is an adapter that is mounted between the substrate 1 of the programmable logic controller (hereinafter referred to as PLC: programmable Logic Controller) system 100 and the module unit 5, and is capable of supplying necessary power to the module unit 5 regardless of the rated capacity of the power line of the PLC system 100.
Fig. 1 is a diagram showing an example of the overall configuration of a PLC system 100 including an auxiliary power adapter 4. The PLC system 100 includes a substrate 1 to which various module units are connected, module mounting sections 2a and 2b to which the various module units are mounted, a power supply module 3 that supplies power to the various module units, an auxiliary power supply adapter 4 that supplies power to a specific module unit 5, and module units 7 and 8 that perform various processes. The module mounting portions 2a and 2b have bus connector portions 11a and 11b for mounting the auxiliary power adapter 4, the module units 5, 7, 8, and the like. The module mounting portions 2a and 2b are hereinafter collectively referred to as a module mounting portion 2. The bus connector portions 11a and 11b are hereinafter collectively referred to as a1 st bus connector portion 11.
Here, a cross-sectional view from the direction of the black arrow, cut using the line A-A' shown in fig. 1, is shown in fig. 2. The auxiliary power adapter 4 is mounted to the 1 st bus connector 11 of the substrate 1 through the 2 nd bus connector 41. An external power supply 9 to which power is supplied from the outside is connected to the auxiliary power adapter 4 via an external power supply connection portion 45. Further, the module unit 5 is mounted to the 3 rd bus connector part 42 of the auxiliary power adapter 4 through the 4 th bus connector part 51.
Fig. 3 is a diagram showing the structure of the auxiliary power adapter 4. The auxiliary power adapter 4 has a 2 nd bus connector section 41 for mounting to the substrate 1, a 3 rd bus connector section 42 for mounting to the module unit 5, a signal bypass section 43 that relays control signals, bus signals, and the like, a power system selection section 44 that selects power for supply to the module unit 5, and an external power supply connection section 45 for connecting the external power supply 9.
The 2 nd bus connector portion 41 is a connector for mounting the auxiliary power adapter 4 to the substrate 1. The auxiliary power adapter 4 receives power supplied from the power module 3 shown in fig. 1 to the substrate 1 via the 2 nd bus connector section 41. The auxiliary power adapter 4 transmits and receives control signals, bus signals, and the like to and from the board 1 via the 2 nd bus connector unit 41. The 3 rd bus connector part 42 is a connector for mounting the auxiliary power adapter 4 to the module unit 5. The auxiliary power adapter 4 supplies electric power to the module unit 5 via the 3 rd bus connector part 42. The auxiliary power adapter 4 transmits and receives control signals, bus signals, and the like to and from the module unit 5 via the 3 rd bus connector unit 42. The 2 nd bus connector portion 41 is an example of the 1 st connector in the claims. The 3 rd bus connector portion 42 is an example of the 2 nd connector in the claims.
The signal bypass portion 43 receives a control signal, a bus signal, and the like from the substrate 1 via the 2 nd bus connector portion 41. The signal bypass section 43 transmits the received control signal, bus signal, and the like to the module unit 5. The power system selection unit 44 receives the power supplied from the power supply module 3 via the 2 nd bus connector unit 41 and the power supplied from the external power supply 9 via the external power supply connection unit 45. The power system selection unit 44 selects either one or both of the received power supplied from the power supply module 3 and the power supplied from the external power supply 9, and supplies the selected power to the module unit 5 via the 3 rd bus connector unit 42. The external power supply connection portion 45 is a connection portion for connecting the external power supply 9. The external power supply connection unit 45 supplies the electric power supplied from the external power supply 9 to the electric power system selection unit 44.
Specifically, the power system selection unit 44 of the auxiliary power adapter 4 is configured as a mechanical switch that can select the power supplied from the substrate 1 and the power supplied from the external power supply 9 connected to the external power supply connection unit 45 according to the power consumption of the module unit 5, the use of the PLC system 100, and the like. In embodiment 1, the power system selection unit 44 is switched by the operator. Thereby, the power supplied from the substrate 1 and the power supplied from the external power supply 9 are appropriately supplied to the module unit 5. An example of the configuration of the power system selection unit 44 will be described below with reference to fig. 4A to 4D.
Fig. 4A is a diagram showing the configuration of the power system selection unit 44. The power system selection unit 44 includes a power switching unit 441 that switches the power supplied thereto, and a power separation unit 442 that circulates the power supplied from one side and cuts off the power supplied from the other side. The power switching section 441 includes a1 st power switching section 441a for selecting power supplied from the substrate 1, a2 nd power switching section 441b for selecting power supplied from the external power supply 9, a 3 rd power switching section 441c for selecting power supplied from the substrate 1 and the external power supply 9, and a selecting section 441d. The power separation unit 442 includes a1 st power separation unit 442a that circulates power supplied from the substrate 1 and cuts off power supplied from the external power supply 9, and a2 nd power separation unit 442b that circulates power supplied from the external power supply 9 and cuts off power supplied from the substrate 1.
The power system selection unit 44 selects the 1 st to 3 rd power switching units 441a to 441c included in the power switching unit 441 by the selection unit 441d, thereby switching the supply source of the power supplied to the module unit 5. Specifically, as shown in fig. 4B, in the case where the selection portion 441d is connected to the 1 st power switching portion 441a, power from the substrate 1 is supplied to the module unit 5. Here, the black arrows shown in fig. 4B to 4D are arrows indicating the flow direction of electric power.
As shown in fig. 4C, in the case where the selection section 441d is connected to the 2 nd power switching section 441b, power from the external power source 9 is supplied to the module unit 5. In addition, as shown in fig. 4D, when the selection section 441D is connected to the 3 rd power switching section 441c, power from the substrate 1 and the external power source 9 is supplied to the module unit 5.
As described above, according to embodiment 1, the auxiliary power adapter 4 is mounted between the substrate 1 and the module unit 5 of the PLC system 100 via the 2 nd bus connector unit 41 and the 3 rd bus connector unit 42, and either or both of the power supplied from the substrate 1 and the power supplied from the external power supply 9 can be selected by the power system selection unit 44. This allows the module unit 5 to be supplied with power necessary for stable operation.
In addition, according to embodiment 1, the auxiliary power adapter 4 can transmit and receive control signals, bus signals, and the like between the substrate 1 and the module unit 5 of the PLC system 100 through the signal bypass unit 43. Thus, even if the auxiliary power adapter 4 is mounted between the substrate 1 and the module unit 5 of the PLC system 100, the conventional functions of the conventional PLC system 100 are not impaired, and the operation can be performed stably.
(Embodiment 2)
In embodiment 1, power supplied from the external power supply 9 to the module unit 5 can be supplied. However, when a power failure occurs in the external power supply 9, the configuration of embodiment 1 cannot stably supply power to the module unit 5. Here, in embodiment 2, a power storage element unit 46 is provided in place of the external power supply 9. In embodiment 2, a power supply state detection unit 47 is provided, and the power supply state detection unit 47 detects whether or not the power supply state from the substrate 1 is normal, and instructs the power system selection unit 44 to select the power supply source based on the detection result.
Fig. 5 is a diagram showing the structure of auxiliary power adapter 4A according to embodiment 2. The auxiliary power adapter 4A includes a2 nd bus connector unit 41 for mounting to the substrate 1, a3 rd bus connector unit 42 for mounting to the module unit 5, a signal bypass unit 43 for relaying a control signal, a bus signal, and the like, a power system selection unit 44 for selecting power to be supplied to the module unit 5, a power storage element unit 46 for storing power to be supplied from the substrate 1, and a power supply state detection unit 47 for detecting a power supply state from the substrate 1 and giving an instruction to select a power supply source to the power system selection unit 44.
The power storage element unit 46 stores electric power supplied from the substrate 1 via the 2 nd bus connector. Further, the power storage element unit 46 supplies the stored electric power to the module unit 5 in response to an instruction from the electric power system selection unit 44. The power storage element unit 46 can be configured using, for example, a capacitor, a rechargeable battery, or the like. The power storage element unit 46 and the external power supply 9 shown in fig. 3 are examples of the power supply unit in the claims.
The power supply state detection unit 47 monitors the supply state of the power supplied from the substrate 1 via the 2 nd bus connector unit 41. When detecting that an abnormality occurs in the power supply state from the substrate 1, for example, when the power value is lower than the reference value, the power supply state detecting unit 47 sends an instruction to switch the power supply source to the power system selecting unit 44. Similarly, when detecting from the signal bypass unit 43 that an abnormality occurs in the power supply state from the substrate 1, for example, an instantaneous power failure occurs, the power supply state detection unit 47 sends an instruction to switch the power supply source to the power system selection unit 44. The power system selection unit 44 selects a power supply source in response to an instruction from the power supply state detection unit 47. Other structures are the same as those of embodiment 1.
Next, an example of the hardware configuration of the auxiliary power adapter 4 is shown in fig. 6. The auxiliary power adapter 4 has a 2 nd main line connector 401 for connection to the substrate 1, a 3 rd main line connector 402 for connection to the module unit 5, a power source interface 403 for connection to the external power source 9, a switch 404 for switching the power supply source, a storage device 405 for storing various programs and data, a memory 406 for reading various programs, a processor 407 for executing various programs, and a bus 408. The 2 nd main line connector 401, the 3 rd main line connector 402, the power interface 403, the storage device 405, the memory 406, and the processor 407 are connected to each other via a bus 408.
The 2 nd main line connector 401 and the 3 rd main line connector 402 can be configured using, for example, a serial bus connector for serial communication and a parallel bus connector for parallel communication. The 2 nd main line connector 401 can function as the 2 nd bus connector portion 41 shown in fig. 3. The 3 rd main line connector 402 can function as the 3 rd bus connector part 42 shown in fig. 3.
The power supply interface 403 is an interface capable of being connected to the external power supply 9 and applying power supplied from the external power supply 9. The power interface 403 can function as the external power supply connection 45 shown in fig. 3. The power interface 403 may be constituted by, for example, a connection terminal that is capable of connecting to the external power supply 9 and applying electric power.
The switch 404 is a switch capable of selecting and switching either or both of the substrate 1 and the external power supply 9 as a power supply source. The switch 404 can function as the power system selection unit 44 shown in fig. 3. Thus, the switch 404 includes the structure shown in fig. 4A to 4D. The switch 404 may be configured by a switch that can be turned ON or OFF by software control, for example.
The storage device 405 holds various programs executed by the processor 407, data required by the processor 407 when executing the various programs, and the like. The storage device 405 can be configured using a volatile or nonvolatile semiconductor memory such as SD (Secure Digital) cards or flash memory 、EPROM(Erasable Programmable Read Only Memory)、EEPROM(Electrically Erasable Programmable Read Only Memory), a magnetic disk, a floppy disk, an optical disk, a CD, a compact disk, a mini disk, DVD (Digital Versatile Disc), or the like, and a storage medium.
The memory 406 is a storage device capable of reading various programs stored in the storage device 405 at the time of starting the PLC system 100 and executing the various programs by the processor 407. The memory 406 may be configured using a volatile or nonvolatile semiconductor memory capable of writing data at high speed, such as RAM (Random Access Memory) and a flash memory. The processor 407 executes a program developed in the memory 406. The processor 407 can be configured using various arithmetic processing devices such as CPU (Central Processing Unit) and an MPU (Micro-processing Unit).
The auxiliary power adapter 4A reads various programs stored in the storage device 405 into the memory 406, and executes the various programs by the processor 407, whereby the functions performed by the power system selection unit 44 and the power supply state detection unit 47 shown in fig. 5 can be realized. Next, the process of switching the power supply source by the power system selection unit 44 will be described with reference to the flowchart of the power supply switching process shown in fig. 7.
The power supply switching process is stored in the storage device 405 shown in fig. 6 as a power supply switching process program. After the auxiliary power adapter 4A is started, the power switching processing program stored in the storage device 405 is read into the memory 406 and executed by the processor 407 shown in fig. 6.
The power supply state detection unit 47 determines whether or not the state of power supply from the substrate 1 via the 2 nd bus connector unit 41 is normal (step S11). When detecting that the power supply state from the substrate 1 is normal, for example, the power value is equal to or greater than the reference value, the power supply state detecting unit 47 determines that the state of power supply from the substrate 1 is normal (step S11: YES). The power supply state detection unit 47 notifies the power system selection unit 44 that the power supplied from the substrate 1 is normal (step S12). The power system selection unit 44 supplies power from the substrate 1 to the module unit 5. The power system selection unit 44 also supplies the electric power supplied from the substrate 1 to the power storage element unit 46 (step S13). The power storage element unit 46 is charged with electric power supplied from the substrate 1.
In step S21, when detecting that an abnormality has occurred in the power supply state from the substrate 1, the power supply state detecting unit 47 determines that the state of the power supply from the substrate 1 is abnormal (step S11: NO). Specifically, the power supply state detection unit 47 detects that the power supply state from the substrate 1 is abnormal, for example, the power value is lower than the reference value. Or the following conditions: when an abnormality occurs in the power supply state from the substrate 1, for example, when an instantaneous power failure occurs, the power supply state detection unit 47 detects that an instruction to switch the power supply source is sent from the signal bypass unit 43 to the power system selection unit 44.
The power supply state detection unit 47 notifies the power system selection unit 44 of an abnormality in the power supplied from the board 1 (step S14). The power system selection unit 44 switches the power supplied to the module unit 5 from the power supplied from the substrate 1 to the power supplied from the power storage element unit 46 (step S15). The power supply state detection unit 47 returns to step S11, and repeats the processing from step S11 to step S15.
As described above, according to embodiment 2, the power storage element unit 46 is provided in place of the external power supply 9, and the power supply state detection unit 47 detects whether or not the power supply state from the substrate 1 is normal, and instructs the power system selection unit 44 to select the power supply source based on the detection result. As a result, in embodiment 2, in addition to the effect of embodiment 1, when an abnormality occurs in the power supply state from the substrate 1, the supply of power from the power storage element unit 46 can be quickly performed. This can maintain the power supply to the module unit 5 for a certain period of time. Therefore, the module unit 5 can perform normal shutdown processing while protecting data, in which data on the volatile memory is stored in the nonvolatile memory, data acquired from the control target device is stored in the storage device 405 shown in fig. 6, and the like. Therefore, even when an abnormality occurs in the power supply state from the substrate 1, disappearance, breakage, and the like of data can be avoided.
Modification 1
In the above-described embodiment 1 and embodiment 2, as the hardware configuration of the auxiliary power adapter 4 shown in fig. 6, a storage device 405 storing various programs and data, a memory 406 reading various programs, and a processor 407 executing various programs are used. The storage device 405, the memory 406, and the processor 407 may be implemented together using, for example, an ASIC (Application SPECIFIC INTEGRATED Circuit), without being limited thereto.
Modification 2
In embodiment 1 described above, electric power is directly supplied from the external power supply 9 via the external power supply connection unit 45 to the power system selection unit 44 of the auxiliary power supply adapter 4 shown in fig. 3. For example, the power conversion unit 48 that generates power conforming to the specifications of the module unit 5 from the external power supply 9 may be provided between the power system selection unit 44 and the external power supply connection unit 45, as in the auxiliary power supply adapter 4B shown in fig. 8.
Modification 3
In embodiment 1 described above, as shown in fig. 2, the auxiliary power adapter 4 is arranged between the substrate 1 and the module unit 5, and the external power connection unit 45 is provided at the lower portion of the auxiliary power adapter 4. The present invention is not limited to this, and the external power supply connection unit 45 may be provided below the auxiliary power adapter 4 shown in fig. 9. The external power supply connection unit 45 may be provided so as to extend above the auxiliary power supply adapter 4 shown in fig. 10. Further, the external power supply connection unit 45 may be provided on the side surface of the auxiliary power adapter 4. With this structure, the thickness of the auxiliary power adapter 4 occupied between the substrate 1 and the module unit 5 can be suppressed.
Modification 4
In embodiment 1 described above, the power system selection unit 44 of the auxiliary power adapter 4 is configured as a mechanical switch that can be switched by the operator. Without being limited thereto, the switching may be automatically performed by software. Fig. 11 shows a configuration of the auxiliary power adapter 4 according to modification 3. The signal bypass unit 43 of the auxiliary power adapter 4 notifies the control signal to the power system selection unit 44 in response to the power supply state of the power module 3 shown in fig. 1, for example, a normal state in which power is stably supplied, an abnormal state such as an instantaneous power failure or a power reduction.
The auxiliary power adapter 4 can realize the functions executed by the signal bypass unit 43 and the power system selection unit 44 shown in fig. 11 by reading various programs stored in the storage device 405 shown in fig. 6 into the memory 406 and executing the programs by the processor 407. Next, the process of switching the power supply source to the module unit 5 by the power system selection unit 44 will be described with reference to the flowchart of the power supply source selection process shown in fig. 12.
The power supply source selection process is stored in the storage device 405 as a power supply source selection processing program. After the auxiliary power adapter 4 is started, the power supply source selection processing program stored in the storage device 405 is read into the memory 406 and executed by the processor 407.
The power system selection unit 44 determines whether or not the power supplied from the power supply module 3 shown in fig. 1 to the auxiliary power adapter 4 via the board 1 is normal (step S21). Specifically, the power system selection unit 44 determines whether the signal notified from the signal bypass unit 43 shown in fig. 3 in correspondence with the power supply state of the power supply module 3 is a signal in a normal state or a signal in an abnormal state. When the signal notified from the signal bypass unit 43 is, for example, a signal in a normal state in which power is stably supplied, the power system selection unit 44 determines that the power supplied to the auxiliary power adapter 4 is normal (step S21: YES).
Next, the power system selection unit 44 determines whether the module unit 5 is executing high load processing (step S22). The high-load processing herein refers to, for example, processing with large power consumption such as calculation of large-capacity data and high-speed calculation processing. In the case where the module unit 5 is executing the high load process (YES in step S22), the power system selection section 44 selects the substrate 1 and the external power supply 9 as the power supply sources (step S23). Specifically, in the switch 404 shown in fig. 6, the 3 rd power switching section 441c shown in fig. 4D is selected by the selecting section 441D. Thereby, a portion that is insufficient when the electric power supplied from the substrate 1 is relied on can be supplied from the external power supply 9 to the module unit 5.
In addition, when the module unit 5 is not executing the high load process (step S22: NO), the power system selection unit 44 selects the substrate 1 as the power supply source (step S24). Specifically, in the switch 404 shown in fig. 6, the 1 st power switching section 441a shown in fig. 4B is selected by the selecting section 441 d. Thereby, the power supplied from the substrate 1 can be supplied to the module unit 5.
In step S21, when the signal notified from the signal bypass unit 43 is a signal in an abnormal state such as an instantaneous power failure or a power drop, the power system selection unit 44 determines that the power supplied to the auxiliary power adapter 4 is abnormal (step S21: NO). The power system selection unit 44 selects the external power source 9 as the power supply source (step S25). Specifically, in the switch 404 shown in fig. 6, the 2 nd power switching section 441b shown in fig. 4C is selected by the selecting section 441 d. Thereby, the power supplied from the external power supply 9 can be supplied to the module unit 5. The power system selection unit 44 returns to step S21, and repeats the processing from step S21 to step S25.
Modification 5
In embodiment 2 described above, the power storage element unit 46 is charged with electric power supplied from the substrate 1. The present invention is not limited to this, and a structure using the previously charged power storage element unit 46 may be used. The power storage element unit 46 may be charged by a charging power source different from the substrate 1, for example, an external power source.
Modification 6
In embodiment 2 described above, the power storage element unit 46 shown in fig. 5 is disposed inside the auxiliary power adapter 4A. The present invention is not limited to this, and the power storage element unit 46 may be connected to the outside of the auxiliary power adapter 4A. Instead of the power storage element unit 46, an external power supply 9 or an uninterruptible power supply may be used.
In embodiment 1 and embodiment 2 of the present invention, the power supply source selection processing program and the power supply source switching processing program may be stored and distributed in a recording medium such as a CD-ROM (Compact Disc Read Only Memory) or a DVD-ROM (DIGITAL VERSATILE DISC READ Only Memory) that can be read by a computer, and the program may be installed on the computer to constitute a computer capable of realizing the functions included in the power supply source selection processing program and the power supply source switching processing program. In the case where the functions are realized by the sharing of OS (Operating System) and application programs or the cooperation of the OS and application programs, only the application programs may be stored in the recording medium.
The present invention can be configured to various embodiments and modifications without departing from the broad spirit and scope of the present invention. The above-described embodiments are intended to illustrate the present invention, and are not intended to limit the scope of the present invention. That is, the scope of the present invention is shown not by the embodiments but by the claims. And various modifications which are to be implemented within the scope of the claims and the meaning of the disclosure equivalent thereto are to be regarded as falling within the scope of the invention.
Industrial applicability
The invention can be well utilized for auxiliary power adapters.
Description of the reference numerals
A1 substrate, a 2a, a 2B module mounting portion, a3 power supply module, a 4A, a 4B auxiliary power supply adapter, a 5, 7, 8 module units, a 9 external power supply, an 11 st bus connector portion, an 11a, 11B bus connector portion, a 41 nd bus connector portion, a 42 rd bus connector portion, a 43 signal bypass portion, a 44 power system selection portion, a 45 external power supply connection portion, a 46 power storage element portion, a 47 power supply state detection portion, a 48 power conversion portion, a 51 st bus connector portion, a 100PLC system, a 401 nd bus connector, a 402 nd bus connector, a 403 rd bus connector, a 403 power interface, a 404 switch, a 405 storage device, a 406 memory, a 407 processor, a 408 bus, a 441a 1 st power switching portion, a 441B 2 nd power switching portion, a 441c 3 rd power switching portion, a 441d selection portion, a 442a 1 st power separation portion, a 442B 2 nd power separation portion.
Claims (6)
1. An auxiliary power adapter, having:
A1 st connector connected to a substrate for receiving power from the substrate and transmitting/receiving a control signal to/from the substrate, wherein the substrate supplies power to a module unit that controls a device to be controlled and transmits/receives a control signal to/from the module unit;
a2 nd connector connected to the module unit to supply power to the module unit and to transmit and receive a control signal to and from the module unit; and
And a power system selection unit that selects, as power to be supplied to the module unit, either or both of power supplied from the substrate and power supplied from a power supply unit different from the substrate, and supplies power to the module unit from the 2 nd connector.
2. The auxiliary power adapter of claim 1, wherein,
The device further comprises a signal bypass unit disposed between the 1 st connector and the 2 nd connector, and configured to relay a control signal received from the 1 st connector to the 2 nd connector.
3. The auxiliary power adapter of claim 1, wherein,
Further comprises a power supply state detection unit for detecting a supply state of power supplied from the substrate,
The power supply state detection unit transmits, to the power system selection unit, an instruction to switch the power supplied to the module unit from the power supplied from the substrate to the power supplied from the power supply unit when an abnormality in the supply state of the power supplied from the substrate is detected.
4. The auxiliary power adapter of claim 2, wherein,
Further comprises a power supply state detection unit for detecting a supply state of power supplied from the substrate,
The power supply state detection unit transmits, to the power system selection unit, an instruction to switch the power supplied to the module unit from the power supplied from the substrate to the power supplied from the power supply unit when an abnormality in the supply state of the power supplied from the substrate is detected.
5. The auxiliary power adapter as claimed in any one of claims 1 to 4, wherein,
The power supply unit is an external power supply provided outside.
6. The auxiliary power adapter as claimed in any one of claims 1 to 4, wherein,
The power supply unit is a power storage element unit capable of storing power supplied from the substrate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/039404 WO2022085077A1 (en) | 2020-10-20 | 2020-10-20 | Auxiliary power supply adapter |
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| Publication Number | Publication Date |
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| CN115885445A CN115885445A (en) | 2023-03-31 |
| CN115885445B true CN115885445B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202080102672.7A Active CN115885445B (en) | 2020-10-20 | 2020-10-20 | Auxiliary power adapter |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6877670B1 (en) |
| KR (1) | KR102494426B1 (en) |
| CN (1) | CN115885445B (en) |
| WO (1) | WO2022085077A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011099117A1 (en) * | 2010-02-09 | 2011-08-18 | 三菱電機株式会社 | Programmable controller |
| JP2015002546A (en) * | 2013-06-18 | 2015-01-05 | 株式会社東芝 | Remote i/o unit of duplex supervisory control system, and maintenance method thereof |
| CN205160203U (en) * | 2015-12-15 | 2016-04-13 | 韩啸 | Automatic switching power stepup transformer of no relay |
| CN107885154A (en) * | 2016-09-30 | 2018-04-06 | 欧姆龙株式会社 | Programmable logic controller (PLC) |
| WO2020165943A1 (en) * | 2019-02-12 | 2020-08-20 | 三菱電機株式会社 | Power-feeding device and electric power supply system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0279143U (en) * | 1988-12-06 | 1990-06-18 | ||
| JP2011187027A (en) * | 2010-03-11 | 2011-09-22 | Yokogawa Electric Corp | Power source controller and controller using the same |
| US9021159B2 (en) * | 2012-09-07 | 2015-04-28 | Apple Inc. | Connector adapter |
| US9939849B2 (en) * | 2014-10-30 | 2018-04-10 | Kabushiki Kaisha Toshiba | System with electronic device and extension device |
| JP2020089028A (en) * | 2018-11-22 | 2020-06-04 | キヤノン株式会社 | Electronic apparatus, module system, and control method thereof |
-
2020
- 2020-10-20 CN CN202080102672.7A patent/CN115885445B/en active Active
- 2020-10-20 WO PCT/JP2020/039404 patent/WO2022085077A1/en active Application Filing
- 2020-10-20 JP JP2021508324A patent/JP6877670B1/en active Active
- 2020-10-20 KR KR1020227044268A patent/KR102494426B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011099117A1 (en) * | 2010-02-09 | 2011-08-18 | 三菱電機株式会社 | Programmable controller |
| JP2015002546A (en) * | 2013-06-18 | 2015-01-05 | 株式会社東芝 | Remote i/o unit of duplex supervisory control system, and maintenance method thereof |
| CN205160203U (en) * | 2015-12-15 | 2016-04-13 | 韩啸 | Automatic switching power stepup transformer of no relay |
| CN107885154A (en) * | 2016-09-30 | 2018-04-06 | 欧姆龙株式会社 | Programmable logic controller (PLC) |
| WO2020165943A1 (en) * | 2019-02-12 | 2020-08-20 | 三菱電機株式会社 | Power-feeding device and electric power supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6877670B1 (en) | 2021-05-26 |
| CN115885445A (en) | 2023-03-31 |
| KR20230003644A (en) | 2023-01-06 |
| JPWO2022085077A1 (en) | 2022-04-28 |
| KR102494426B1 (en) | 2023-02-06 |
| WO2022085077A1 (en) | 2022-04-28 |
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