CN105356186A - Low voltage power supply switching device with simple metering function - Google Patents
Low voltage power supply switching device with simple metering function Download PDFInfo
- Publication number
- CN105356186A CN105356186A CN201510827246.0A CN201510827246A CN105356186A CN 105356186 A CN105356186 A CN 105356186A CN 201510827246 A CN201510827246 A CN 201510827246A CN 105356186 A CN105356186 A CN 105356186A
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- Prior art keywords
- supply switching
- electric energy
- power supply
- energy metering
- switching device
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
- H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a low voltage power supply switching device with a simple metering function. The low voltage power supply switching device with a simple metering function comprises a socket box, at least two power supply switching wires, a storage box and a power plug, wherein the socket box includes a housing, an electric energy metering module and a universal socket; the universal socket is arranged in the housing; the electric energy metering module is arranged on the housing; a binding post of the power plug is electrically connected with an input end of the electric energy metering module through a cluster lead wire; an output end of the electric energy metering module is electrically connected with a binding post of the universal socket through the cluster lead wire; one end of each power supply switching wire is provided with a joint, and the other end of each power supply switching wire is provided with a standard connector; and the joint is electrically connected with the standard connector. The low voltage power supply switching device with a simple metering function is provided with the electric energy metering module so that the low voltage power supply switching device can conveniently measure and monitor the electric power, the voltage value and the current value of electric equipment; and the types of joints for the power supply switching wires are various, so that the low voltage power supply switching device can be suitable for different occasions, and can quickly and conveniently plug with various power supply binding posts and the work efficiency is improved.
Description
Technical field
The present invention relates to low pressure portable power source electric energy metrical field, especially relate to a kind of low-tension supply switching device with Simple measuring function.
Background technology
In the temporary electricity processes such as indoor and outdoor decoration, electric power overhaul, test or verification, generally all can use portable power source dish working power draw receive near job site easy to use.But connect in operation actual, power end binding post kind is more, power supply may be drawn from socket, also may draw from binding post, or from air switch, leak and protect the extraction of switch load side, like this once job site transfer, power supply tapping form just may change, need pull down plug or again change, both waste time and energy like this, the frequent dismounting of plug is also easy to damage, particularly when the time is more urgent, the technological level of installing is difficult to ensure, very easily causes defective insulation to cause the faults such as short circuit.
Application number: 201210466706.8, name is called: the patent of invention of the power supply of band electric energy function of measuring, disclose a kind of power supply with electric energy function of measuring, comprise Power Entry Module and power transfer module, between described Power Entry Module and power transfer module, be also provided with electric parameter collection module further.The power supply of the band electric energy function of measuring of this invention, cost can be saved, reduce the fund input of supervisory control system, and ammeter installing space can be reduced simultaneously, make equipment intelligent and integrated further, but this invention is only applicable to the power supply of standard interface, joint categories can not be changed according to different power supply types, not there is applicability widely.
Application number: 201520277107.0, name is called: the utility model patent of multifunctional power switching device, disclose a kind of multifunctional power switching device, comprise power supply box, case lid, multiple adaptor that top is opened wide, each adaptor comprises patchcord and is located at the adapter at patchcord two ends, first adapter of each adaptor is used for removably connecting with power supply box, and the second adapter is used for removably connecting with by repair apparatus, and described case lid is provided with the standing groove for placing adaptor.This utility model can shorten maintenance regular inspection before time, easy to use, quick, safe and reliable, improve fail safe, reduce operating risk, and improve operating efficiency, reduce the labour intensity of staff, but the switching device of adapter neither one standard of the present utility model, also need during use to carry out searching and matching according to actual conditions, add the early-stage preparations time.
Summary of the invention
In view of this, the object of the invention is for the deficiencies in the prior art, a kind of low-tension supply switching device with Simple measuring function is provided, solve prior art and not there is versatility and the not easy problem of adapter matching operation.
For achieving the above object, the present invention by the following technical solutions:
A kind of low-tension supply switching device with Simple measuring function, comprise socket box, at least two power switching lines, receiver and attaching plugs, described socket box comprises shell, electric energy metering module and Universal Socket, described Universal Socket is arranged at described enclosure, described electric energy metering module is arranged on described shell, the binding post of described attaching plug and the input of described electric energy metering module are gone between by boundling and are electrically connected, and the output of described electric energy metering module and the binding post of described Universal Socket are gone between by boundling and be electrically connected; Described power switching line one end is provided with joint, and the other end is provided with standard connector, and described joint is electrically connected with described standard connector.
Preferably, described joint is at least two in ordinary plug, Wiring nose, zinc-plated joint or crocodile clip.
Preferably, described socket box also comprises earth leakage protective device, and described earth leakage protective device is arranged in described shell, and the binding post of described attaching plug to be gone between by boundling by the input of earth leakage protective device and described electric energy metering module and is electrically connected.
Preferably, described socket box also comprises geometrical clamp, and described boundling lead-in wire is drawn from socket box by geometrical clamp.
Preferably, the integration module with electrical power, voltage and current measurement function is provided with in described electric energy metering module.
Preferably, described receiver is provided with marker space.
Preferably, described shell is made up of engineering ambroin.
The invention has the beneficial effects as follows:
1, electric energy metering module of the present invention inside has the integrated package of electrical power, voltage and current measurement function, can measure the electric power of power consumption equipment, magnitude of voltage and current value and monitor very easily.
2, power switching line one end of the present invention is joint, one end is standard connector, joint can be ordinary plug, Wiring nose, zinc-plated joint or crocodile clip, joint categories is various, go for different occasions, conveniently the various power supply terminal of grafting, improve maintenance, safeguard or verifying work efficiency, one end adopts standard connector can realize plug fast and change, and improves operating efficiency.
3, the present invention adopts Universal Socket, can realize one multiplex, can mate various domestic and imported appliance plug, its upper switches plays convenient Electricity Functional of stopping using, and frequently plugs plug, increase coefficient of safety, add the useful life of equipment in minimizing work.
4, in the present invention, the shell of Universal Socket is made up of engineering ambroin, can prevent utensil from breaking or smashing, and its inner boundling one end geometrical clamp that goes between is drawn, and effectively can prevent electric wire from coming off in the process pulled, improve the reliability of power supply.
5, receiver of the present invention adopts and is provided with marker space, can realize putting in order of Universal Socket and power switching line, conveniently take and carry at any time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4;
Fig. 5 is the structural representation of center tap of the present invention;
In figure: 1-socket box, 2-attaching plug, 3-standard connector, 4-joint, 5-receiver, 1a-shell, 1b-Universal Socket, 1c-electric energy metering module, 1d-earth leakage protective device, 4a-Wiring nose, the zinc-plated joint of 4b-, 4c-crocodile clip, 4d-ordinary plug.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1
As shown in Figure 1, the present invention includes socket box 1, at least two power switching lines, receiver and attaching plug 2, the power switching line of this embodiment is four, socket box 1 draws together shell 1a, electric energy metering module 1c, geometrical clamp 1e, earth leakage protective device 1d and Universal Socket 1b, it is inner that Universal Socket 1b is arranged at shell 1a, electric energy metering module 1c is arranged on shell, the binding post of attaching plug to be gone between by boundling by the input of earth leakage protective device 1d and electric energy metering module 1c and is electrically connected, the output of electric energy metering module 1c and the binding post of Universal Socket are gone between by boundling and are electrically connected, be provided with in electric energy metering module 1c and there is electrical power, the integration module of voltage and current measurement function, boundling lead-in wire draws socket box 1 by geometrical clamp, prevents electric wire from pulling and comes off, power switching line one end is provided with joint 4, and the other end is provided with standard connector 3, and joint 4 is electrically connected with standard connector 3.
As shown in Figure 5, power switching line has four groups of patchcords can conveniently carrying out replacing, and the joint 4 of four power switching lines is respectively Wiring nose, zinc-plated joint, crocodile clip and ordinary plug.A joint 4a is Wiring nose, can draw connect power supply from the binding post of the equipment such as fuse; No. two joint 4b are zinc-plated joint, and zinc-plated joint is multiply annealed copper wire, and its one end, through zinc-plated process, is convenient to insert in the binding post of various on-load switch, circuit breaker; No. three joint 4c are crocodile clip, facilitate during Emergency use and directly draw power taking source from various kinds of equipment live part; No. four joint 4d are standard plug, can insert in the supply socket of all size easily.
When the external power consumption equipment of socket box, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and show on screen, when there is short circuit or drain conditions in power consumption equipment circuit, earth leakage protective device 1d disconnects, and protects the personal safety of power consumption equipment and operating personnel; When receiver is provided with marker space, putting in order of Universal Socket 1b and patchcord can be realized, conveniently take and carry at any time; The shell of socket box 1 is made up of engineering ambroin, can effectively prevent utensil from breaking or smash; Switch 1c on socket box 1 plays convenient Electricity Functional of stopping using, and decreases in work the frequency and number of times that plug plug, adds the coefficient of safety of equipment, extend its useful life.
The socket part of standard connector 3 is arranged on the other end of power switching line, prevents the charged metallic member of its socket from exposing, and when avoiding directly plugging plug when patchcord not being departed from power supply, human contact is to live part, improves fail safe.
The operation principle of the present embodiment is:
When portable power source dish need from socket box 1 draw connect power supply time, socket box 1 and power switching line are taken out from receiver, according to different service conditions, select different power switching lines; The standard connector 3 of power switching line is connected with attaching plug 2, then the joint of power switching line is fixedly mounted on power-supply device, after installing, just the plug of portable power source dish can be inserted into socket box 1 draws and connect power supply, external external electric equipment can carry out work, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and shows on screen.
Embodiment 2
As shown in Figure 2, the present invention includes socket box 1, at least two power switching lines, receiver and attaching plug 2, the power switching line of this embodiment is four, socket box 1 draws together shell 1a, electric energy metering module 1c, geometrical clamp 1e and Universal Socket 1b, it is inner that Universal Socket 1b is arranged at shell 1a, electric energy metering module 1c is arranged on shell, the binding post of attaching plug and the input of electric energy metering module 1c are gone between by boundling and are electrically connected, the output of electric energy metering module 1c and the binding post of Universal Socket are gone between by boundling and are electrically connected, be provided with in electric energy metering module 1c and there is electrical power, the integration module of voltage and current measurement function, boundling lead-in wire draws socket box 1 by geometrical clamp, prevents electric wire from pulling and comes off, power switching line one end is provided with joint 4, and the other end is provided with standard connector 3, and joint 4 is electrically connected with standard connector 3.
As shown in Figure 5, power switching line has four groups of patchcords can conveniently carrying out replacing, and the joint 4 of four power switching lines is respectively Wiring nose, zinc-plated joint, crocodile clip and ordinary plug.A joint 4a is Wiring nose, can draw connect power supply from the binding post of the equipment such as fuse; No. two joint 4b are zinc-plated joint, and zinc-plated joint is multiply annealed copper wire, and its one end, through zinc-plated process, is convenient to insert in the binding post of various on-load switch, circuit breaker; No. three joint 4c are crocodile clip, facilitate during Emergency use and directly draw power taking source from various kinds of equipment live part; No. four joint 4d are standard plug, can insert in the supply socket of all size easily.
When the external power consumption equipment of socket box, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and shows on screen; When receiver is provided with marker space, putting in order of Universal Socket 1b and patchcord can be realized, conveniently take and carry at any time; The shell of socket box 1 is made up of engineering ambroin, can effectively prevent utensil from breaking or smash; Switch 1c on socket box 1 plays convenient Electricity Functional of stopping using, and decreases in work the frequency and number of times that plug plug, adds the coefficient of safety of equipment, extend its useful life.
The socket part of standard connector 3 is arranged on the other end of power switching line, prevents the charged metallic member of its socket from exposing, and when avoiding directly plugging plug when patchcord not being departed from power supply, human contact is to live part, improves fail safe.
The operation principle of the present embodiment is:
When portable power source dish need from socket box 1 draw connect power supply time, socket box 1 and power switching line are taken out from receiver, according to different service conditions, select different power switching lines; The standard connector 3 of power switching line is connected with attaching plug 2, then the joint of power switching line is fixedly mounted on power-supply device, after installing, just the plug of portable power source dish can be inserted into socket box 1 draws and connect power supply, external external electric equipment can carry out work, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and shows on screen.
Embodiment 3
As shown in Figure 3, the present invention includes socket box 1, at least two power switching lines, receiver and attaching plug 2, the power switching line of this embodiment is four, socket box 1 draws together shell 1a, electric energy metering module 1c, earth leakage protective device 1d and Universal Socket 1b, it is inner that Universal Socket 1b is arranged at shell 1a, electric energy metering module 1c is arranged on shell, the binding post of attaching plug to be gone between by boundling by the input of earth leakage protective device 1d and electric energy metering module 1c and is electrically connected, the output of electric energy metering module 1c and the binding post of Universal Socket are gone between by boundling and are electrically connected, be provided with in electric energy metering module 1c and there is electrical power, the integration module of voltage and current measurement function, power switching line one end is provided with joint 4, and the other end is provided with standard connector 3, and joint 4 is electrically connected with standard connector 3.
As shown in Figure 5, power switching line has four groups of patchcords can conveniently carrying out replacing, and the joint 4 of four power switching lines is respectively Wiring nose, zinc-plated joint, crocodile clip and ordinary plug.A joint 4a is Wiring nose, can draw connect power supply from the binding post of the equipment such as fuse; No. two joint 4b are zinc-plated joint, and zinc-plated joint is multiply annealed copper wire, and its one end, through zinc-plated process, is convenient to insert in the binding post of various on-load switch, circuit breaker; No. three joint 4c are crocodile clip, facilitate during Emergency use and directly draw power taking source from various kinds of equipment live part; No. four joint 4d are standard plug, can insert in the supply socket of all size easily.
When the external power consumption equipment of socket box, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and show on screen, when there is short circuit or drain conditions in power consumption equipment circuit, earth leakage protective device 1d disconnects, and protects the personal safety of power consumption equipment and operating personnel; When receiver is provided with marker space, putting in order of Universal Socket 1b and patchcord can be realized, conveniently take and carry at any time; The shell of socket box 1 is made up of engineering ambroin, can effectively prevent utensil from breaking or smash; Switch 1c on socket box 1 plays convenient Electricity Functional of stopping using, and decreases in work the frequency and number of times that plug plug, adds the coefficient of safety of equipment, extend its useful life.
The socket part of standard connector 3 is arranged on the other end of power switching line, prevents the charged metallic member of its socket from exposing, and when avoiding directly plugging plug when patchcord not being departed from power supply, human contact is to live part, improves fail safe.
The operation principle of the present embodiment is:
When portable power source dish need from socket box 1 draw connect power supply time, socket box 1 and power switching line are taken out from receiver, according to different service conditions, select different power switching lines; The standard connector 3 of power switching line is connected with attaching plug 2, then the joint of power switching line is fixedly mounted on power-supply device, after installing, just the plug of portable power source dish can be inserted into socket box 1 draws and connect power supply, external external electric equipment can carry out work, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and shows on screen.
Embodiment 4
As shown in Figure 4, the present invention includes socket box 1, at least two power switching lines, receiver and attaching plug 2, the power switching line of this embodiment is four, socket box 1 draws together shell 1a, electric energy metering module 1c and Universal Socket 1b, it is inner that Universal Socket 1b is arranged at shell 1a, electric energy metering module 1c is arranged on shell, the binding post of attaching plug and the input of electric energy metering module 1c are gone between by boundling and are electrically connected, the output of electric energy metering module 1c and the binding post of Universal Socket are gone between by boundling and are electrically connected, be provided with in electric energy metering module 1c and there is electrical power, the integration module of voltage and current measurement function, power switching line one end is provided with joint 4, and the other end is provided with standard connector 3, and joint 4 is electrically connected with standard connector 3.
As shown in Figure 5, power switching line has four groups of patchcords can conveniently carrying out replacing, and the joint 4 of four power switching lines is respectively Wiring nose, zinc-plated joint, crocodile clip and ordinary plug.A joint 4a is Wiring nose, can draw connect power supply from the binding post of the equipment such as fuse; No. two joint 4b are zinc-plated joint, and zinc-plated joint is multiply annealed copper wire, and its one end, through zinc-plated process, is convenient to insert in the binding post of various on-load switch, circuit breaker; No. three joint 4c are crocodile clip, facilitate during Emergency use and directly draw power taking source from various kinds of equipment live part; No. four joint 4d are standard plug, can insert in the supply socket of all size easily.
When the external power consumption equipment of socket box, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and shows on screen; When receiver is provided with marker space, putting in order of Universal Socket 1b and patchcord can be realized, conveniently take and carry at any time; The shell of socket box 1 is made up of engineering ambroin, can effectively prevent utensil from breaking or smash; Switch 1c on socket box 1 plays convenient Electricity Functional of stopping using, and decreases in work the frequency and number of times that plug plug, adds the coefficient of safety of equipment, extend its useful life.
The socket part of standard connector 3 is arranged on the other end of power switching line, prevents the charged metallic member of its socket from exposing, and when avoiding directly plugging plug when patchcord not being departed from power supply, human contact is to live part, improves fail safe.
The operation principle of the present embodiment is:
When portable power source dish need from socket box 1 draw connect power supply time, socket box 1 and power switching line are taken out from receiver, according to different service conditions, select different power switching lines; The standard connector 3 of power switching line is connected with attaching plug 2, then the joint of power switching line is fixedly mounted on power-supply device, after installing, just the plug of portable power source dish can be inserted into socket box 1 draws and connect power supply, external external electric equipment can carry out work, electric energy metering module 1c can measure power, the voltage and current value of power consumption equipment circuit, and shows on screen.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, other amendments that those of ordinary skill in the art make technical scheme of the present invention or equivalently to replace, only otherwise depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (7)
1. one kind has the low-tension supply switching device of Simple measuring function, it is characterized in that: comprise socket box, at least two power switching lines, receiver and attaching plug, described socket box comprises shell, electric energy metering module and Universal Socket, described Universal Socket is arranged at described enclosure, described electric energy metering module is arranged on described shell, the binding post of described attaching plug and the input of described electric energy metering module are gone between by boundling and are electrically connected, the output of described electric energy metering module and the binding post of described Universal Socket are gone between by boundling and are electrically connected, described power switching line one end is provided with joint, and the other end is provided with standard connector, and described joint is electrically connected with described standard connector.
2. a kind of low-tension supply switching device with Simple measuring function according to claim 1, is characterized in that: described joint is at least two in ordinary plug, Wiring nose, zinc-plated joint or crocodile clip.
3. a kind of low-tension supply switching device with Simple measuring function according to claim 1; it is characterized in that: described socket box also comprises earth leakage protective device; described earth leakage protective device is arranged in described shell, and the binding post of described attaching plug to be gone between by boundling by the input of earth leakage protective device and described electric energy metering module and is electrically connected.
4. a kind of low-tension supply switching device with Simple measuring function according to any one of claim 1 to 3, is characterized in that: described socket box also comprises geometrical clamp, and described boundling lead-in wire is drawn from socket box by geometrical clamp.
5. a kind of low-tension supply switching device with Simple measuring function according to claim 1, is characterized in that: be provided with the integration module with electrical power, voltage and current measurement function in described electric energy metering module.
6. a kind of low-tension supply switching device with Simple measuring function according to claim 1, is characterized in that: described receiver is provided with marker space.
7. a kind of low-tension supply switching device with Simple measuring function according to claim 1, is characterized in that: described shell is made up of engineering ambroin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827246.0A CN105356186A (en) | 2015-11-25 | 2015-11-25 | Low voltage power supply switching device with simple metering function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827246.0A CN105356186A (en) | 2015-11-25 | 2015-11-25 | Low voltage power supply switching device with simple metering function |
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| CN105356186A true CN105356186A (en) | 2016-02-24 |
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| CN201510827246.0A Pending CN105356186A (en) | 2015-11-25 | 2015-11-25 | Low voltage power supply switching device with simple metering function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196220A (en) * | 2018-02-12 | 2018-06-22 | 国网浙江省电力有限公司电力科学研究院 | A kind of EMC detections measurement meter conversion plug assembly |
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| CN204497530U (en) * | 2015-04-30 | 2015-07-22 | 国家电网公司 | Multifunctional power switching device |
| CN205122957U (en) * | 2015-11-25 | 2016-03-30 | 国网河南唐河县供电公司 | The low voltage power supply switching device with simply measure function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108196220A (en) * | 2018-02-12 | 2018-06-22 | 国网浙江省电力有限公司电力科学研究院 | A kind of EMC detections measurement meter conversion plug assembly |
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