CN109546558B - Method, device and system for maintaining small bus power supply jack box on line - Google Patents
Method, device and system for maintaining small bus power supply jack box on line Download PDFInfo
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- CN109546558B CN109546558B CN201811434645.0A CN201811434645A CN109546558B CN 109546558 B CN109546558 B CN 109546558B CN 201811434645 A CN201811434645 A CN 201811434645A CN 109546558 B CN109546558 B CN 109546558B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
Abstract
The invention discloses a method, a device and a system for maintaining a small bus power supply jack box on line, which can firstly pull out the male heads of three industrial connectors in the small bus power supply jack box and respectively insert the male heads into the female heads of the three industrial connectors in a distribution box, so that a cabinet which originally depends on the power supply of the small bus power supply jack box can be supplied with power by the distribution box instead, the small bus power supply jack box can be maintained on line without powering down the cabinet, and the normal operation of IT equipment of the cabinet can not be influenced.
Description
Technical Field
The invention relates to the technical field of equipment maintenance, in particular to a method, a device and a system for maintaining a small bus power supply jack box on line.
Background
One common Power supply arrangement for a data center equipment room cabinet is to connect an industrial connector on a small bus Power jack box to a PDU (Power Distribution Unit) of the cabinet. There are 3 industrial connectors on the existing small bus Power jack, the core cabinet (the first cabinet and the second cabinet shown in fig. 1) is configured as 4 PDU (Power Distribution Unit), and the conventional cabinet (the first cabinet, the second cabinet and the third cabinet shown in fig. 2) is configured as 2 PDU. Therefore, 3 industrial connectors on the existing mini-bus power supply jack box can be connected with two cabinets (as shown in fig. 1) and also can be connected with three cabinets (as shown in fig. 2).
In the prior art, when a small bus power supply jack box has a switch fault and needs to be replaced, or when the position of the small bus power supply jack box needs to be moved, the cabinet connected with the small bus power supply jack box needs to be powered off, so that the normal operation of the IT equipment of two or three cabinets can be influenced. As shown in fig. 1, if the mini-bus power jack box needs to be replaced or the position of the mini-bus power jack box is moved, the normal operation of the IT equipment of both racks can be affected. As shown in fig. 2, if the mini-bus power jack box needs to be replaced or the position of the mini-bus power jack box is moved, the normal operation of the IT equipment of the three racks is affected.
Therefore, how to provide an online maintenance mode for the small bus power supply jack box becomes a technical problem to be solved urgently in the field.
Disclosure of Invention
In view of the above, the present invention has been developed to provide a method, apparatus, and system for online maintenance of small bus power jacks that overcomes, or at least partially addresses, the above-identified problems. The specific scheme is as follows:
a power distribution box for on-line maintenance of a small bus power jack box, the power distribution box comprising:
a three-phase five-wire industrial connector male head;
a three-pole switch connected with the male head of the three-phase five-wire industrial connector;
the first circuit is connected with a first connector lug of the three-pole switch and comprises a first misoperation preventing switch, a first industrial connector female head, a first power plug, a first phase line measuring terminal and a first zero line measuring terminal;
the second circuit is connected with the first connector lug of the three-pole switch and comprises a second misoperation preventing switch, a second industrial connector female head, a second power plug, a second phase line measuring terminal and a second zero line measuring terminal;
the third circuit is connected with the first connector lug of the three-pole switch and comprises a third misoperation preventing switch, a third industrial connector female head, a third power plug, a third phase line measuring terminal and a third zero line measuring terminal;
optionally, the rated current of the male connector of the three-phase five-wire industrial connector is 63A; the rated current of the three-pole switch is 63A; rated currents of the first industrial connector female head, the second industrial connector female head and the third industrial connector female head are 32A; the first power plug, the second power plug and the third power plug are C19 in model and 16A in rated current.
A system for online maintenance of a small bus power jack box, the system comprising:
the power supply jack box and the three-phase five-wire system jack box are respectively connected to the small bus; the three-phase five-wire system plug box comprises a three-phase five-wire system industrial connector female head, and the rated current of the three-phase five-wire system industrial connector female head is 63A;
the distribution box connected with the three-phase five-wire system plug box is realized by inserting the three-phase five-wire system male head of the distribution box into the three-phase five-wire system female head;
a power cord model C20;
the distribution box is used for online maintenance of the small bus power supply plug box;
when the system is used for maintaining the power supply jack box on line, a power plug with the model of C19 in a cabinet connected with the power supply jack box is connected with a power plug with the model of C19 in the distribution box by a power line with the model of C20.
An online maintenance method of a small bus power jack box is applied to the system for online maintenance of the small bus power jack box, and the method comprises the following steps:
checking whether the power supply state of the small bus is normal or not by adopting a three-phase five-wire system jack box connected to the small bus;
when the power supply state of the small bus is normal, closing a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box, and checking whether the power supply state of the distribution box is normal or not;
when the power supply state of the distribution box is normal, three industrial connector male heads in a power supply plug box are pulled out and are respectively inserted into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box;
and the power supply jack box is dismantled, maintained or moved.
Optionally, the pulling out and respectively inserting the three industrial connector male connectors in the power supply plug box into the first industrial connector female head, the second industrial connector female head and the third industrial connector female head in the power distribution box includes:
determining the industrial connector male head to be pulled out from the three industrial connector male heads in the power supply plug box, and pulling out and reinserting each industrial connector male head to be pulled out by adopting the following method:
determining a target power plug with the model C19 in a cabinet connected with the male connector of the industrial connector to be pulled out;
searching a power plug in the distribution box, wherein the power plug is in the same phase with the output voltage of the target power plug;
connecting a power plug which is in the same phase with the output voltage of the target power plug in the distribution box with the target power plug by adopting a power line with the model C20;
the industrial connector male plug to be pulled out is pulled out of the power supply plug box and is inserted into an industrial connector female plug in a circuit where a power supply plug with the same phase as the output voltage of the target power supply plug is located in the distribution box;
and disconnecting the power line connection of the type C20 between the power plug in the distribution box, which has the same phase with the output voltage of the target power plug, and the target power plug.
Optionally, the checking whether the power supply state of the distribution box is normal includes:
measuring whether phase voltage between a first phase line measuring terminal and a first zero line measuring terminal, phase voltage between a second phase line measuring terminal and a second zero line measuring terminal and phase voltage between a third phase line measuring terminal and a third zero line measuring terminal are 220V or not;
measuring whether line voltages between any two terminals of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are 380V or not;
and when the phase voltage between the first phase line measuring terminal and the first zero line measuring terminal, the phase voltage between the second phase line measuring terminal and the second zero line measuring terminal and the phase voltage between the third phase line measuring terminal and the third zero line measuring terminal are all 220V, and the line voltages between any two of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are all 380V, determining that the power supply state of the distribution box is normal.
Optionally, the finding a power plug in the distribution box that is in phase with the output voltage of the target power plug includes:
respectively measuring a first phase difference between the output voltage of the target power plug and the output voltage of a first power plug in the distribution box, a second phase difference between the output voltage of a second power plug in the distribution box and the output voltage of a third power plug in the distribution box, and a third phase difference between the output voltage of the target power plug and the output voltage of the third power plug in the distribution box;
and determining that the power plug in the distribution box corresponding to the phase difference with the median of the first phase difference, the second phase difference and the third phase difference being zero is the power plug with the same phase as the output voltage of the target power plug.
Optionally, before the power supply line with model C20 is used to connect the power supply plug in the power distribution box, which is in phase with the output voltage of the target power supply plug, with the target power supply plug, the method further includes:
and disconnecting other misoperation preventing switches except the misoperation preventing switch in the circuit where the power plug with the same phase as the output voltage of the target power plug is located in the distribution box.
An online maintenance device for a small bus power jack box, which is applied to the system for online maintenance of the small bus power jack box, and comprises:
the inspection unit is used for inspecting whether the power supply state of the small bus is normal or not by adopting a three-phase five-wire system jack box connected to the small bus;
the switch closing unit is used for closing a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box when the power supply state of the small bus is normal, and checking whether the power supply state of the distribution box is normal or not;
the industrial connector plugging and unplugging unit is used for plugging three industrial connector male heads in the power supply plugging box out and respectively plugging the three industrial connector male heads into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box when the power supply state of the distribution box is normal;
and the maintenance unit is used for dismantling, repairing or moving the power supply jack box.
By means of the technical scheme, the method, the device and the system for maintaining the small bus power supply jack box on line provided by the invention can be used for firstly pulling out the three industrial connector male heads in the small bus power supply jack box and respectively inserting the three industrial connector male heads into the three industrial connector female heads in the power distribution box, so that a cabinet which originally depends on the power supply of the small bus power supply jack box can be supplied with power by the power distribution box instead, the small bus power supply jack box can be maintained on line without powering down the cabinet, and the normal operation of IT equipment of the cabinet can not be influenced.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a prior art power supply deployment for a data center room cabinet according to the present invention;
FIG. 2 is a schematic diagram of a prior art power supply deployment for a data center room cabinet according to the present invention;
fig. 3 is a schematic structural diagram of a distribution box for online maintenance of a small bus power supply connection box according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a system for online maintenance of a small bus power jack, according to an embodiment of the present disclosure;
FIG. 5 is a schematic flow chart illustrating an online maintenance method for a small bus power jack box according to an embodiment of the present invention;
fig. 6 to 9 show the specific embodiment of the three industrial connector male heads in the power supply plug box being unplugged and respectively plugged into the first industrial connector female head, the second industrial connector female head and the third industrial connector female head in the power distribution box;
fig. 10 is a schematic structural diagram of an online maintenance device for a small bus power jack box according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a distribution box for online maintenance of a small bus power supply connection box according to an embodiment of the present invention, where the distribution box includes:
a male connector 30 of a three-phase five-wire industrial connector;
a three-pole switch 31 connected to the male connector 30 of the three-phase five-wire industrial connector;
a first circuit 32 connected to the first connector lug 310 of the three-pole switch 31, wherein the first circuit 32 includes a first misoperation prevention switch 320, a first industrial connector female lug 321, a first power plug 322, a first phase line measurement terminal 323 and a first zero line measurement terminal 324;
the second circuit 33 is connected with the second connector lug 311 of the three-pole switch, and the second circuit 33 comprises a second misoperation preventing switch 330, a second industrial connector female lug 331, a second power plug 332, a second phase wire measuring terminal 333 and a second zero wire measuring terminal 334;
a third circuit 34 connected to the third connector lug 312 of the three-pole switch, wherein the third circuit 34 includes a third misoperation prevention switch 340, a third industrial connector female 341, a third power plug 342, a third phase line measurement terminal 343 and a third zero line measurement terminal 344;
the rated current of the male connector of the three-phase five-wire industrial connector is 63A; the rated current of the three-pole switch is 63A; rated currents of the first industrial connector female head, the second industrial connector female head and the third industrial connector female head are 32A; the first power plug, the second power plug and the third power plug are C19 in model and 16A in rated current.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a system for online maintenance of a small bus power jack box according to an embodiment of the present invention, where the system includes:
a power supply jack box 40 and a three-phase five-wire system jack box 41 which are respectively connected to the small bus; the three-phase five-wire system plug box comprises a three-phase five-wire system industrial connector female head, and the rated current of the three-phase five-wire system industrial connector female head is 63A;
the distribution box connected with the three-phase five-wire system jack box is realized by inserting the three-phase five-wire system male connector of the distribution box 42 into the three-phase five-wire system female connector;
a power cord model C20;
the distribution box is used for online maintenance of the small bus power supply plug box;
when the system is used for maintaining the power supply jack box on line, a power plug with the model of C19 in a cabinet connected with the power supply jack box is connected with a power plug with the model of C19 in the distribution box by a power line with the model of C20.
Referring to fig. 5, fig. 5 is a schematic flow chart of an online maintenance method for a small busbar power jack box according to an embodiment of the present invention, which is applied to the above-mentioned system for online maintenance of a small busbar power jack box, and the method includes:
s101: checking whether the power supply state of the small bus is normal or not by adopting a three-phase five-wire system jack box connected to the small bus;
in one embodiment, the checking whether the power supply state of the distribution box is normal includes:
measuring whether phase voltage between a first phase line measuring terminal and a first zero line measuring terminal, phase voltage between a second phase line measuring terminal and a second zero line measuring terminal and phase voltage between a third phase line measuring terminal and a third zero line measuring terminal are 220V or not;
measuring whether line voltages between any two terminals of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are 380V or not;
and when the phase voltage between the first phase line measuring terminal and the first zero line measuring terminal, the phase voltage between the second phase line measuring terminal and the second zero line measuring terminal and the phase voltage between the third phase line measuring terminal and the third zero line measuring terminal are all 220V, and the line voltages between any two of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are all 380V, determining that the power supply state of the distribution box is normal.
S102: when the power supply state of the small bus is normal, closing a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box, and checking whether the power supply state of the distribution box is normal or not;
s103: when the power supply state of the distribution box is normal, three industrial connector male heads in a power supply plug box are pulled out and are respectively inserted into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box;
s104: and the power supply jack box is dismantled, maintained or moved.
In an alternative embodiment, fig. 6 to 9 show specific embodiments of the method for pulling out and respectively inserting three industrial connector male connectors in the power supply plug box into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in a power distribution box, which includes:
determining the male connector of the industrial connector to be unplugged (i.e. the leftmost one of the small bus power plug boxes shown in fig. 6 to 9) from the three male connectors of the industrial connector in the power plug box, and unplugging and reinserting each male connector of the industrial connector to be unplugged by adopting the following method:
determining a target power plug of type C19 in the cabinet connected with the male connector of the industrial connector to be unplugged (i.e. the C19 plug in the PDU on the left of the upper side of the cabinet I shown in FIGS. 6-9);
searching a power plug in the distribution box, wherein the power plug is in the same phase with the output voltage of the target power plug;
in one possible embodiment, the phase difference between the output voltage of the power plug in the distribution box and the output voltage of the target power plug can be measured through the phase difference principle, and then the power plug in the distribution box, which is in the same phase with the output voltage of the target power plug, can be searched. Specifically, as shown by three thick arrows in fig. 6, a first phase difference between the output voltage of the target power plug and the output voltage of the first power plug in the distribution box, a second phase difference between the output voltage of the second power plug in the distribution box, and a third phase difference between the output voltage of the third power plug in the distribution box are measured; and determining that the power plug in the distribution box corresponding to the phase difference with the median of the first phase difference, the second phase difference and the third phase difference being zero is the power plug with the same phase as the output voltage of the target power plug. As shown by the thick arrows in fig. 7, the power plug in the distribution box in phase with the output voltage of the C19 plug in the PDU on the left side of the upper side of the first cabinet is the third power plug in the third circuit of the distribution box.
As shown in fig. 8, the other misoperation prevention switches in the distribution box except the misoperation prevention switch in the circuit where the power plug having the same phase as the output voltage of the target power plug is located are turned off; connecting a power plug which is in the same phase with the output voltage of the target power plug in the distribution box with the target power plug by adopting a power line with the model C20;
as shown in fig. 9, the male connector of the industrial connector to be unplugged is unplugged from the power supply plug box, and is plugged into the female connector of the industrial connector in the circuit where the power supply plug with the same phase as the output voltage of the target power supply plug is located in the distribution box; and disconnecting the power line connection of the type C20 between the power plug in the distribution box, which has the same phase with the output voltage of the target power plug, and the target power plug.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an online maintenance device for a small bus power jack box according to an embodiment of the present invention, which is applied to the above-mentioned system for online maintenance of a small bus power jack box, and the device includes:
the inspection unit 10 is used for inspecting whether the power supply state of the small bus is normal by adopting a three-phase five-wire system jack box connected to the small bus;
the switch closing unit 11 is configured to close a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box when the power supply state of the small bus is normal, and check whether the power supply state of the distribution box is normal;
the industrial connector plugging and unplugging unit 12 is used for plugging three industrial connector male heads in the power supply plugging box out and respectively plugging the three industrial connector male heads into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box when the power supply state of the distribution box is normal;
and the maintenance unit 13 is used for dismantling, repairing or moving the power supply jack box.
It should be noted that specific function implementation of each unit is already described in detail in the method embodiment, and this embodiment is not described again.
The on-line maintenance device of the small bus power supply jack box comprises a processor and a memory, wherein the inspection unit, the switch closing unit, the industrial connector plugging unit, the maintenance unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and online maintenance is carried out on the small bus power supply plug box by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
The embodiment of the invention provides a storage medium, wherein a program is stored on the storage medium, and when the program is executed by a processor, the online maintenance method of the small bus power jack box is realized.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program is used for executing an online maintenance method of a small bus power jack box during running.
The embodiment of the invention provides electronic equipment, which comprises a processor, a memory and a program which is stored on the memory and can be operated on the processor, wherein the processor executes the program and realizes the following steps:
checking whether the power supply state of the small bus is normal or not by adopting a three-phase five-wire system jack box connected to the small bus;
when the power supply state of the small bus is normal, closing a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box, and checking whether the power supply state of the distribution box is normal or not;
when the power supply state of the distribution box is normal, three industrial connector male heads in a power supply plug box are pulled out and are respectively inserted into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box;
and the power supply jack box is dismantled, maintained or moved.
Optionally, the pulling out and respectively inserting the three industrial connector male connectors in the power supply plug box into the first industrial connector female head, the second industrial connector female head and the third industrial connector female head in the power distribution box includes:
determining the industrial connector male head to be pulled out from the three industrial connector male heads in the power supply plug box, and pulling out and reinserting each industrial connector male head to be pulled out by adopting the following method:
determining a target power plug with the model C19 in a cabinet connected with the male connector of the industrial connector to be pulled out;
searching a power plug in the distribution box, wherein the power plug is in the same phase with the output voltage of the target power plug;
connecting a power plug which is in the same phase with the output voltage of the target power plug in the distribution box with the target power plug by adopting a power line with the model C20;
the industrial connector male plug to be pulled out is pulled out of the power supply plug box and is inserted into an industrial connector female plug in a circuit where a power supply plug with the same phase as the output voltage of the target power supply plug is located in the distribution box;
and disconnecting the power line connection of the type C20 between the power plug in the distribution box, which has the same phase with the output voltage of the target power plug, and the target power plug.
Optionally, the checking whether the power supply state of the distribution box is normal includes:
measuring whether phase voltage between a first phase line measuring terminal and a first zero line measuring terminal, phase voltage between a second phase line measuring terminal and a second zero line measuring terminal and phase voltage between a third phase line measuring terminal and a third zero line measuring terminal are 220V or not;
measuring whether line voltages between any two terminals of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are 380V or not;
and when the phase voltage between the first phase line measuring terminal and the first zero line measuring terminal, the phase voltage between the second phase line measuring terminal and the second zero line measuring terminal and the phase voltage between the third phase line measuring terminal and the third zero line measuring terminal are all 220V, and the line voltages between any two of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are all 380V, determining that the power supply state of the distribution box is normal.
Optionally, the finding a power plug in the distribution box that is in phase with the output voltage of the target power plug includes:
respectively measuring a first phase difference between the output voltage of the target power plug and the output voltage of a first power plug in the distribution box, a second phase difference between the output voltage of a second power plug in the distribution box and the output voltage of a third power plug in the distribution box, and a third phase difference between the output voltage of the target power plug and the output voltage of the third power plug in the distribution box;
and determining that the power plug in the distribution box corresponding to the phase difference with the median of the first phase difference, the second phase difference and the third phase difference being zero is the power plug with the same phase as the output voltage of the target power plug.
Optionally, before the power supply line with model C20 is used to connect the power supply plug in the power distribution box, which is in phase with the output voltage of the target power supply plug, with the target power supply plug, the method further includes:
and disconnecting other misoperation preventing switches except the misoperation preventing switch in the circuit where the power plug with the same phase as the output voltage of the target power plug is located in the distribution box. The electronic device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device:
checking whether the power supply state of the small bus is normal or not by adopting a three-phase five-wire system jack box connected to the small bus;
when the power supply state of the small bus is normal, closing a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box, and checking whether the power supply state of the distribution box is normal or not;
when the power supply state of the distribution box is normal, three industrial connector male heads in a power supply plug box are pulled out and are respectively inserted into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box;
and the power supply jack box is dismantled, maintained or moved.
Optionally, the pulling out and respectively inserting the three industrial connector male connectors in the power supply plug box into the first industrial connector female head, the second industrial connector female head and the third industrial connector female head in the power distribution box includes:
determining the industrial connector male head to be pulled out from the three industrial connector male heads in the power supply plug box, and pulling out and reinserting each industrial connector male head to be pulled out by adopting the following method:
determining a target power plug with the model C19 in a cabinet connected with the male connector of the industrial connector to be pulled out;
searching a power plug in the distribution box, wherein the power plug is in the same phase with the output voltage of the target power plug;
connecting a power plug which is in the same phase with the output voltage of the target power plug in the distribution box with the target power plug by adopting a power line with the model C20;
the industrial connector male plug to be pulled out is pulled out of the power supply plug box and is inserted into an industrial connector female plug in a circuit where a power supply plug with the same phase as the output voltage of the target power supply plug is located in the distribution box;
and disconnecting the power line connection of the type C20 between the power plug in the distribution box, which has the same phase with the output voltage of the target power plug, and the target power plug.
Optionally, the checking whether the power supply state of the distribution box is normal includes:
measuring whether phase voltage between a first phase line measuring terminal and a first zero line measuring terminal, phase voltage between a second phase line measuring terminal and a second zero line measuring terminal and phase voltage between a third phase line measuring terminal and a third zero line measuring terminal are 220V or not;
measuring whether line voltages between any two terminals of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are 380V or not;
and when the phase voltage between the first phase line measuring terminal and the first zero line measuring terminal, the phase voltage between the second phase line measuring terminal and the second zero line measuring terminal and the phase voltage between the third phase line measuring terminal and the third zero line measuring terminal are all 220V, and the line voltages between any two of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are all 380V, determining that the power supply state of the distribution box is normal.
Optionally, the finding a power plug in the distribution box that is in phase with the output voltage of the target power plug includes:
respectively measuring a first phase difference between the output voltage of the target power plug and the output voltage of a first power plug in the distribution box, a second phase difference between the output voltage of a second power plug in the distribution box and the output voltage of a third power plug in the distribution box, and a third phase difference between the output voltage of the target power plug and the output voltage of the third power plug in the distribution box;
and determining that the power plug in the distribution box corresponding to the phase difference with the median of the first phase difference, the second phase difference and the third phase difference being zero is the power plug with the same phase as the output voltage of the target power plug.
Optionally, before the power supply line with model C20 is used to connect the power supply plug in the power distribution box, which is in phase with the output voltage of the target power supply plug, with the target power supply plug, the method further includes:
and disconnecting other misoperation preventing switches except the misoperation preventing switch in the circuit where the power plug with the same phase as the output voltage of the target power plug is located in the distribution box.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a block terminal for being directed at little generating line power jack box is maintained on line which characterized in that, the block terminal includes:
the three-phase five-wire industrial connector male head is used for connecting a three-phase five-wire industrial connector female head, and the three-phase five-wire industrial connector female head belongs to a three-phase five-wire plugging box connected to a small bus;
a three-pole switch connected with the male head of the three-phase five-wire industrial connector;
the first circuit is connected with a first connector lug of the three-pole switch and comprises a first misoperation preventing switch, a first industrial connector female head, a first power plug, a first phase line measuring terminal and a first zero line measuring terminal;
the second circuit is connected with the first connector lug of the three-pole switch and comprises a second misoperation preventing switch, a second industrial connector female head, a second power plug, a second phase line measuring terminal and a second zero line measuring terminal;
the third circuit is connected with the first connector lug of the three-pole switch and comprises a third misoperation preventing switch, a third industrial connector female head, a third power plug, a third phase line measuring terminal and a third zero line measuring terminal;
the first industrial connector female head, the second industrial connector female head and the third industrial connector female head are used for being connected with three industrial connector male heads in a power plug box connected to a small bus originally respectively, and therefore power is supplied to the cabinet.
2. The electrical box of claim 1, wherein:
the rated current of the male connector of the three-phase five-wire industrial connector is 63A; the rated current of the three-pole switch is 63A; rated currents of the first industrial connector female head, the second industrial connector female head and the third industrial connector female head are 32A; the first power plug, the second power plug and the third power plug are C19 in model and 16A in rated current.
3. A system for on-line maintenance of a miniature busbar power jack box, the system comprising:
the power supply jack box and the three-phase five-wire system jack box are respectively connected to the small bus; the three-phase five-wire system plug box comprises a three-phase five-wire system industrial connector female head, and the rated current of the three-phase five-wire system industrial connector female head is 63A;
the distribution box connected with the three-phase five-wire system plug box is realized by inserting the three-phase five-wire system male head of the distribution box into the three-phase five-wire system female head;
a power cord model C20;
the distribution box is the distribution box for the online maintenance of the small bus power supply plug box in claim 1 or 2;
when the system is used for maintaining the power supply jack box on line, a power plug with the model of C19 in a cabinet connected with the power supply jack box is connected with a power plug with the model of C19 in the distribution box by a power line with the model of C20.
4. A method for on-line maintenance of a miniature busbar power jack box, when applied to the system for on-line maintenance of a miniature busbar power jack box as claimed in claim 3, the method comprising:
checking whether the power supply state of the small bus is normal or not by adopting a three-phase five-wire system jack box connected to the small bus;
when the power supply state of the small bus is normal, closing a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box, and checking whether the power supply state of the distribution box is normal or not; the female head of the three-phase five-wire industrial connector of the three-phase five-wire jack box is connected with the male head of the three-phase five-wire industrial connector of the distribution box;
when the power supply state of the distribution box is normal, three industrial connector male heads in a power supply plug box are pulled out and are respectively inserted into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box;
and the power supply jack box is dismantled, maintained or moved.
5. The method of claim 4, wherein said unplugging and plugging three industrial connector male heads in the power supply junction box into a first industrial connector female head, a second industrial connector female head, and a third industrial connector female head in a power distribution box, respectively, comprises:
and determining the industrial connector male head to be pulled out from the three industrial connector male heads in the power supply plug box, and pulling out and re-inserting each industrial connector male head to be pulled out.
6. The method of claim 5, wherein the unplugging and reinserting each industrial connector male to be unplugged comprises:
determining a target power plug with the model C19 in a cabinet connected with the male connector of the industrial connector to be pulled out;
searching a power plug in the distribution box, wherein the power plug is in the same phase with the output voltage of the target power plug;
connecting a power plug which is in the same phase with the output voltage of the target power plug in the distribution box with the target power plug by adopting a power line with the model C20;
the industrial connector male plug to be pulled out is pulled out of the power supply plug box and is inserted into an industrial connector female plug in a circuit where a power supply plug with the same phase as the output voltage of the target power supply plug is located in the distribution box;
and disconnecting the power line connection of the type C20 between the power plug in the distribution box, which has the same phase with the output voltage of the target power plug, and the target power plug.
7. The method of claim 4, wherein said checking whether the power state of the switchbox is normal comprises:
measuring whether phase voltage between a first phase line measuring terminal and a first zero line measuring terminal, phase voltage between a second phase line measuring terminal and a second zero line measuring terminal and phase voltage between a third phase line measuring terminal and a third zero line measuring terminal are 220V or not;
measuring whether line voltages between any two terminals of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are 380V or not;
and when the phase voltage between the first phase line measuring terminal and the first zero line measuring terminal, the phase voltage between the second phase line measuring terminal and the second zero line measuring terminal and the phase voltage between the third phase line measuring terminal and the third zero line measuring terminal are all 220V, and the line voltages between any two of the first phase line measuring terminal, the second phase line measuring terminal and the third phase line measuring terminal are all 380V, determining that the power supply state of the distribution box is normal.
8. The method of claim 6, wherein finding a power plug in the electrical box that is in phase with the output voltage of the target power plug comprises:
respectively measuring a first phase difference between the output voltage of the target power plug and the output voltage of a first power plug in the distribution box, a second phase difference between the output voltage of a second power plug in the distribution box and the output voltage of a third power plug in the distribution box, and a third phase difference between the output voltage of the target power plug and the output voltage of the third power plug in the distribution box;
and determining that the power plug in the distribution box corresponding to the phase difference with the median of the first phase difference, the second phase difference and the third phase difference being zero is the power plug with the same phase as the output voltage of the target power plug.
9. The method of claim 6, wherein prior to said connecting a power plug in phase with the output voltage of the target power plug in the electrical distribution box to the target power plug with the power cord model C20, the method further comprises:
and disconnecting other misoperation preventing switches except the misoperation preventing switch in the circuit where the power plug with the same phase as the output voltage of the target power plug is located in the distribution box.
10. An on-line maintenance device for a small bus power jack box, which is applied to the system for on-line maintenance of a small bus power jack box as claimed in claim 3, the device comprising:
the inspection unit is used for inspecting whether the power supply state of the small bus is normal or not by adopting a three-phase five-wire system jack box connected to the small bus;
the switch closing unit is used for closing a three-pole switch, a first misoperation preventing switch, a second misoperation preventing switch and a third misoperation preventing switch of the distribution box when the power supply state of the small bus is normal, and checking whether the power supply state of the distribution box is normal or not;
the industrial connector plugging and unplugging unit is used for plugging three industrial connector male heads in the power supply plugging box out and respectively plugging the three industrial connector male heads into a first industrial connector female head, a second industrial connector female head and a third industrial connector female head in the distribution box when the power supply state of the distribution box is normal;
and the maintenance unit is used for dismantling, repairing or moving the power supply jack box.
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| CN201811434645.0A CN109546558B (en) | 2018-11-28 | 2018-11-28 | Method, device and system for maintaining small bus power supply jack box on line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811434645.0A CN109546558B (en) | 2018-11-28 | 2018-11-28 | Method, device and system for maintaining small bus power supply jack box on line |
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| CN109546558A CN109546558A (en) | 2019-03-29 |
| CN109546558B true CN109546558B (en) | 2021-04-27 |
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| CN205544088U (en) * | 2016-01-20 | 2016-08-31 | 深圳市海德森科技有限公司 | Bus -bar system and bus duct and jack box thereof |
| CN106816813A (en) * | 2017-03-17 | 2017-06-09 | 中国电力科学研究院 | The method of power distribution network current transformer installing structure and charged for replacement current transformer |
| CN107069444A (en) * | 2017-06-15 | 2017-08-18 | 潘冠华 | Depression belt hospital bus bar gets in touch with distribution box |
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| CN109546558A (en) | 2019-03-29 |
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