CN115372883A - Test connection system for plug-in electric energy meter - Google Patents
Test connection system for plug-in electric energy meter Download PDFInfo
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- CN115372883A CN115372883A CN202210998850.XA CN202210998850A CN115372883A CN 115372883 A CN115372883 A CN 115372883A CN 202210998850 A CN202210998850 A CN 202210998850A CN 115372883 A CN115372883 A CN 115372883A
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- energy meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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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
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
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- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a test connection system for a plug-in electric energy meter, which comprises: the system comprises a plug-in crimping tool, a near infrared communication converter, a photoelectric pulse sampler and an electric energy meter calibration stand; the plug-in crimping tool is electrically connected with the electric energy meter calibration stand and the plug-in electric energy meter; one end of the near-infrared communication converter is in communication connection with the electric energy meter calibration stand, and the other end of the near-infrared communication converter is arranged in the plug-in crimping tool, is in communication connection with the plug-in electric energy meter and is used for data communication connection between the electric energy meter calibration stand and the plug-in electric energy meter; the photoelectric pulse sampler is in communication connection with the electric energy meter calibration stand and is used for acquiring optical pulse signals sent by the plug-in electric energy meter and transmitting the optical pulse signals to the electric energy meter calibration stand; the electric energy meter calibration stand is provided with a plurality of calibration unit cells, and a plurality of calibration unit cells all are connected with plug crimping frock electricity for carry out the function calibration to plug-in electric energy meter. The plug-in electric energy meter testing device is simple in structure and convenient to use, can be used for quickly testing the plug-in electric energy meter, and improves the production efficiency and reliability.
Description
Technical Field
The invention relates to the technical field of electric energy meter testing, in particular to a test connection system for a plug-in electric energy meter.
Background
The electric energy meter needs to be connected with wires after being assembled, and whether the electric energy meter is qualified or not is tested. However, the plug-in electric energy meter is different from the traditional terminal type electric energy meter, and is not directly connected with an external lead when in use, but is required to be plugged into a socket matched with the plug-in electric energy meter. And traditional electric energy meter testing arrangement all connects through binding post's mode to test the electric energy meter, but traditional electric energy meter testing arrangement can not be applicable to the test of plug-in electric energy meter.
Therefore, a testing system capable of verifying the plug-in electric energy meter through the traditional electric energy meter testing device is needed to improve the production efficiency and reliability of the plug-in electric energy meter.
Disclosure of Invention
The invention aims to provide a test device capable of realizing quick test of a plug-in electric energy meter so as to solve the problem that the existing electric energy meter test device cannot use the plug-in electric energy meter.
In order to achieve the above object, the basic scheme of the invention is as follows: a test connection system for a plug-in electric energy meter, comprising: the system comprises a plug-in crimping tool, a near infrared communication converter, a photoelectric pulse sampler and an electric energy meter calibration stand; the plug-in crimping tool is electrically connected with the electric energy meter calibration table and the plug-in electric energy meter and is used for communicating the electric energy meter calibration table and the plug-in electric energy meter; one end of the near-infrared communication converter is in communication connection with the electric energy meter calibration stand, and the other end of the near-infrared communication converter is arranged in the plug-in crimping tool, is in communication connection with the plug-in electric energy meter and is used for data communication connection between the electric energy meter calibration stand and the plug-in electric energy meter; the photoelectric pulse sampler is in communication connection with the electric energy meter calibration console and is used for acquiring optical pulse signals sent by the plug-in electric energy meter and transmitting the optical pulse signals to the electric energy meter calibration console; the electric energy meter calibration stand is provided with a plurality of calibration gauge units, and the plurality of calibration gauge units are electrically connected with the plug crimping tool to perform function calibration on the plug type electric energy meter.
Furthermore, the plug-in crimping tool comprises a substrate, a near-infrared communication interface, a connecting jack, a fastening wrench and a copper sleeve; the near-infrared communication interface, the connecting jack, the fastening wrench and the copper sleeve are all arranged on the substrate; the near-infrared communication interface is connected with the plug-in electric energy meter, and the near-infrared communication converter is connected with the plug-in electric energy meter through the near-infrared communication interface; seven connecting jacks are arranged and correspond to the ammeter copper connecting sheets of the plug-in electric energy meter one by one, and the plug-in crimping tool and the plug-in electric energy meter are connected by inserting the ammeter copper connecting sheets into the connecting jacks; the fastening wrench is used for fastening the ammeter copper connecting sheet inserted into the connecting jack; the copper bush set up in plug crimping frock bottom, be used for with inspection surface unit connects.
Furthermore, a blocking piece and a pressing piece are arranged in the connecting jack, and the blocking piece and the pressing piece are elastic copper sheets; a gap is arranged between the blocking piece and the pressing piece, and the electric meter copper connecting piece is inserted into the connecting jack through the gap and is in contact with the blocking piece and the pressing piece; the pressing sheet is provided with a connecting part, the connecting part is connected with the fastening wrench through a connecting rod, and the pressing sheet is pressed towards or away from the blocking sheet by pulling the fastening wrench.
Furthermore, the connecting jack comprises an A-phase current outlet, an A-phase current inlet, a B-phase current outlet, a B-phase current inlet, a C-phase current outlet, a C-phase current inlet and a zero line interface.
The photoelectric pulse sampler is arranged on the verification meter unit and used for fixing the photoelectric pulse sampler, and a sampling window of the photoelectric pulse sampler is aligned to a light pulse output port of the plug-in electric energy meter to obtain a light pulse signal sent by the plug-in electric energy meter.
Furthermore, the checking gauge unit is provided with a near infrared communication interface, a photoelectric pulse interface, a table body current copper bar and a crimping wrench; the near-infrared communication interface is used for being connected with the near-infrared communication converter; the photoelectric pulse interface is used for being connected with the photoelectric pulse sampler; the table body current copper bar is used for being connected with a copper sleeve of the plug compression joint tool; the crimping wrench is used for fastening the connection between the table body current copper bar and the copper sleeve.
Furthermore, the table body current copper bar and the copper sleeve of the plug-in crimping tool are seven in one-to-one correspondence.
Compared with the prior art, the invention has the advantages and beneficial effects that: the electric energy meter calibration platform is electrically connected with a plug-in electric energy meter through a plug-in crimping tool, one end of a near infrared communication converter is in communication connection with the electric energy meter calibration platform, the other end of the near infrared communication converter is arranged in the plug-in crimping tool and is in communication connection with the plug-in electric energy meter, the electric energy meter calibration platform is in data communication connection with the plug-in electric energy meter, a photoelectric pulse sampler is in communication connection with the electric energy meter calibration platform and is used for acquiring optical pulse signals sent by the plug-in electric energy meter and transmitting the optical pulse signals to the electric energy meter calibration platform, the electric energy meter calibration platform is provided with a plurality of calibration meter bit units, the plurality of calibration meter bit units are electrically connected with the plug-in crimping tool and are used for performing function calibration on the plug-in electric energy meter, the plug-in crimping tool is compatible with a traditional electric energy meter calibration platform, production management is convenient, production of the plug-in electric energy meter can be rapidly adapted to production of different types of electric energy meters, the calibration platform does not need to be reformed or replaced, the structure is simple, the use is convenient, the plug-in use can be rapidly performed, the test of the plug-in electric energy meter, and the production efficiency and the reliability of the plug-in electric energy meter can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a test connection system for a plug-in electric energy meter according to an embodiment;
FIG. 2 is a schematic structural view of the insertion-pulling crimping tool shown in FIG. 1;
FIG. 3 is a schematic diagram showing a positional relationship between the optoelectronic pulse sampler of FIG. 1 and the pluggable electric energy meter;
FIG. 4 is a schematic diagram of the verification unit shown in FIG. 1;
fig. 5 is a schematic current flow diagram of a test connection system for a plug-in electric energy meter according to an embodiment.
In the drawing, a plug-in crimping tool 10, a substrate 11, a near-infrared communication interface 12, a connecting jack 13, a baffle 131, a pressing sheet 132, a fastening wrench 14, a copper bush 15, a near-infrared communication converter 20, a photoelectric pulse sampler 30, a verification gauge unit 40, a near-infrared communication interface 41, a photoelectric pulse interface 42, a table body current copper rod 43, a crimping wrench 44, a plug-in electric energy meter 90 and an electric meter copper connecting sheet 91.
Detailed Description
In order to make the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, a test connection system for a plug-in electric energy meter is provided, including: the system comprises a plug-in crimping tool 10, a near infrared communication converter 20, a photoelectric pulse sampler 30 and an electric energy meter calibration stand; the plug-in crimping tool 10 is electrically connected with the electric energy meter calibration stand and the plug-in electric energy meter 90 and is used for communicating the electric energy meter calibration stand and the plug-in electric energy meter 90; one end of the near-infrared communication converter 20 is in communication connection with the electric energy meter calibration stand, and the other end of the near-infrared communication converter is arranged in the plug-in crimping tool 10, is in communication connection with the plug-in electric energy meter 90 and is used for data communication connection between the electric energy meter calibration stand and the plug-in electric energy meter 90; the photoelectric pulse sampler 30 is in communication connection with the electric energy meter calibration stand and is used for acquiring optical pulse signals sent by the plug-in electric energy meter 90 and transmitting the optical pulse signals to the electric energy meter calibration stand; the electric energy meter calibration stand is provided with a plurality of calibration gauge units 40, and a plurality of calibration gauge units 40 are all connected with plug crimping frock 10 electricity, in carrying out the function calibration to plug-in electric energy meter 90.
In this embodiment, the electrical connection between the electric energy meter calibration stand and the plug-in electric energy meter 90 is realized through the plug-in crimping tool 10, one end of the near-infrared communication converter 20 is in communication connection with the electric energy meter calibration stand, the other end of the near-infrared communication converter is arranged in the plug-in crimping tool 10 and is in communication connection with the plug-in electric energy meter 90, the data communication connection between the electric energy meter calibration stand and the plug-in electric energy meter 90 is realized, the photoelectric pulse sampler 30 is in communication connection with the electric energy meter calibration stand and is used for acquiring optical pulse signals sent by the plug-in electric energy meter 10 and transmitting the optical pulse signals to the electric energy meter calibration stand, the electric energy meter calibration stand is provided with a plurality of calibration meter bit units 40, the plurality of calibration meter bit units 40 are all electrically connected with the plug-in crimping tool 10 and are used for performing function calibration on the plug-in electric energy meter 90, the plug-in electric energy meter calibration stand is compatible with a conventional electric energy meter calibration stand through the plug-in crimping tool 10, production management is facilitated, the production management is quickly adapted to the production of different types of electric energy meters, and the electric energy meter calibration stand is not required to be transformed or replaced, the electric energy meter calibration stand, the cost is saved, and the production efficiency and the reliability of the plug-in electric energy meter 90 is improved.
Specifically, the plug-in electric energy meter 90 has the main functions of a metering function and a communication function, wherein the metering function is to output an optical pulse signal for metering parameter verification; the communication function is near infrared communication and is used for data communication between the electric energy meter and external equipment. Because plug-in electric energy meter 90 is different from the electric energy meter of traditional terminal formula, directly be connected with the electric energy meter check table during the check-up, but be connected with the electric energy meter check table through the plug-in crimping frock 10 rather than supporting to can realize the functional test of plug-in electric energy meter 90 under the prerequisite of compatible traditional electric energy meter check table, practice thrift the cost.
As shown in fig. 2, the plug-in crimping tool 10 includes a substrate 11, a near-infrared communication interface 12, a connecting jack 13, a fastening wrench 14 and a copper sleeve 15; the near-infrared communication interface 12, the connecting jack 13, the fastening wrench 14 and the copper sleeve 15 are all arranged on the substrate 11; the near-infrared communication interface 12 is connected with the plug-in electric energy meter 90, and the near-infrared communication converter 20 is connected with the plug-in electric energy meter 90 through the near-infrared communication interface 12; seven connecting jacks 13 are arranged and correspond to the ammeter copper connecting sheets 91 of the plug-in electric energy meter 90 one by one, and the plug-in crimping tool 10 is connected with the plug-in electric energy meter 90 by inserting the ammeter copper connecting sheets 91 into the connecting jacks 13; the fastening wrench 14 is used for fastening the ammeter copper connecting sheet 91 inserted into the connecting hole 13; the copper bush 15 is arranged at the bottom of the plug-in crimping tool and used for being connected with the checking gauge unit 40.
Specifically, the plug-in crimping tool 10 is an intermediate device between the plug-in electric energy meter 90 and the checking meter unit 40, and the plug-in electric energy meter 90 and the checking meter unit 40 can be electrically connected and communicatively connected through the plug-in crimping tool 10, so that the plug-in electric energy meter 90 can be checked conveniently.
Specifically, the substrate 11 is provided with a near-infrared communication interface 12 for connecting with a near-infrared communication window of the plug-in electric energy meter 90, so as to realize data communication connection between the plug-in electric energy meter 90 and the plug-in crimping tool 10, and realize data communication connection with the checking gauge unit 40 through the plug-in crimping tool 10.
Correspondingly, the plug-in electric energy meter 90 is provided with an electric meter copper connecting sheet 91 corresponding to the connecting jack 13 one by one, and is provided with a corresponding near-infrared communication window for connecting with the near-infrared communication converter 20. The ammeter copper connecting sheet 91 can be used for electrically connecting the plug-in electric energy meter 90 with the plug-in crimping tool 10.
Specifically, the base plate 11 is further provided with a connecting jack 13, and the connecting jack is in one-to-one correspondence with the position of the meter copper connecting sheet 91 of the plug-in type crimping electric energy meter 90, the electric connection between the plug-in type crimping tool 10 and the plug-in type crimping electric energy meter 90 is realized by inserting the meter copper connecting sheet 91 into the connecting jack 13,
specifically, one side of the substrate 11 is provided with a fastening wrench 14, and the fastening wrench 14 can be used for fastening the electric meter copper connecting sheet 91 inserted into the connecting hole 13, so as to ensure that the plug-in electric energy meter 90 can be communicated with the plug-in crimping tool 10.
Specifically, the bottom of the plug crimping tool 10 is provided with a copper sleeve 15 for being electrically connected with the inspection gauge unit 40, so that the plug crimping tool 10 is electrically connected with the inspection gauge unit 40.
A blocking piece 131 and a pressing piece 132 are arranged in the connecting and inserting hole 13, the blocking piece 131 and the pressing piece 132 are elastic copper sheets, a gap is formed between the blocking piece 131 and the pressing piece 132, and the ammeter copper connecting piece 91 is inserted into the connecting and inserting hole through the gap and is in contact with the blocking piece 131 and the pressing piece 132; the pressing piece 132 is provided with a connecting portion connected to the fastening wrench 14 through a connecting rod, and the pressing piece 132 is pressed toward or away from the stopper piece 131 by pulling the fastening wrench 14.
Specifically, be equipped with the elasticity copper sheet in even jack 13, including separation blade 131 and preforming 132, and be provided with the clearance between the two, be convenient for insert ammeter copper connection piece 91, through ammeter copper connection piece 91 and the contact of separation blade 131 and preforming 132, realize being connected between plug-in electric energy meter 90 and the plug crimping frock 10.
In order to fasten the ammeter copper connecting sheet 91 through the fastening wrench 14 and ensure that the pluggable electric energy meter 90 is connected with the pluggable crimping tool 10, the blocking piece 131 and the pressing pieces 132 are made of elastic copper sheets, connecting parts of all the pressing pieces 132 are connected with one end of a connecting rod, and the other end of the connecting rod is connected with the fastening wrench 14, when the pluggable electric energy meter 90 needs to be tested, the pressing pieces 132 can be controlled to move towards the blocking piece 131 through the fastening wrench 14, and the ammeter copper connecting sheet 91 is ensured to be in close contact with the pressing pieces 131 and the blocking piece 132; after the test is completed, the fastening wrench is pulled reversely, the electric meter copper connecting sheet 91 is loosened, the plug-in electric energy meter 90 can be detached from the plug-in crimping tool 10, and the plug-in electric energy meter to be tested can be replaced conveniently.
The connecting jack 13 comprises an A-phase current outlet, an A-phase current inlet, a B-phase current outlet, a B-phase current inlet, a C-phase current outlet, a C-phase current inlet and a zero line interface.
Specifically, the seven continuous jacks 13 are respectively an a-phase current outlet, an a-phase current inlet, a B-phase current outlet, a B-phase current inlet, a C-phase current outlet, a C-phase current inlet and a zero line interface, and correspond to the plug-in electric energy meter 90 one by one, so that the plug-in crimping tool 10 is electrically connected with the plug-in electric energy meter 90, the plug-in electric energy meter 90 is electrically connected with the verification meter bit unit 40 through the plug-in crimping tool 10, and the function verification of the plug-in electric energy meter 90 is realized.
The near-infrared communication converter 20 is used for data communication between the verification unit 40 and the plug-in electric energy meter 90. One end of the near-infrared communication converter 20 is an infrared transceiver, is installed inside the plug-in crimping tool 10, corresponds to the position of a near-infrared communication window of the plug-in electric energy meter 90, and is used for connecting the plug-in electric energy meter; the other end is a connection interface and is connected with the checking gauge unit 40 through the connection interface, so that data communication between the checking gauge unit 40 and the plug-in electric energy meter 90 is realized. Therefore, when the plug-in electric energy meter 90 is tested, the plug-in electric energy meter 90 is connected with the plug-in crimping tool 10, so that data communication connection between the plug-in electric energy meter 90 and the verification meter unit 40 can be achieved, the distance is within 1cm, good communication is ensured, a near-infrared communication converter does not need to be manually adjusted, and the use is convenient.
The photoelectric pulse sampler 30 is used for acquiring optical pulse signals emitted by the plug-in electric energy meter, and performing error detection and detection of metering parameters such as starting and shunt running according to the optical pulse signals. The base of the photoelectric pulse sampler 30 is fixed on the checking unit 40, and in the checking process, after the plug-in electric energy meter 90 is installed, the sampling window of the photoelectric pulse sampler 30 needs to be aligned to the optical pulse output port of the plug-in electric energy meter 90, so that the photoelectric pulse sampling of the quasi plug-in electric energy meter 90 is realized.
Meanwhile, the plug-in electric energy meter 90 is provided with a photoelectric pulse output port, and when photoelectric pulse sampling is performed, the photoelectric pulse sampler 30 needs to be corresponding to the photoelectric pulse output port, so that the photoelectric pulse sampler 30 can perform photoelectric pulse sampling conveniently.
As shown in fig. 4, the calibration gauge unit 40 is provided with a near-infrared communication interface 41, a photoelectric pulse interface 42, a stage body current copper bar 43 and a crimping wrench 44; the near-infrared communication interface 41 is used for connecting with the near-infrared communication converter 20; the photoelectric pulse interface 42 is used for connecting with the photoelectric pulse sampler 30; the table body current copper bar 43 is used for being connected with the copper sleeve 15 of the plug crimping tool 10; the crimping wrench 44 is used for fastening the connection between the table body current copper bar 43 and the copper sleeve 15.
Specifically, the electric energy meter calibration stand is used for monitoring performances such as metering errors of the electric energy meter, is the most basic equipment for testing the electric energy meter, and all components used in the method need to be connected with the electric energy meter calibration stand for use. A plurality of verification meter units 40, for example 20 verification meter units, can be arranged on one electric energy meter verification platform, the functions of each verification meter unit are the same, and 20 plug-in electric energy meters can be tested simultaneously.
Specifically, the verification unit 40 is configured to provide a voltage-current connection, a communication interface, and a pulse interface of the plug-in electric energy meter 90, obtain a verification parameter of the plug-in electric energy meter 90 based on the three connection modes, and analyze whether the plug-in electric energy meter 90 is qualified according to the verification parameter. The checking gauge unit 40 is provided with a near-infrared communication interface 41, is connected with the near-infrared communication converter 20, and is used for receiving near-infrared communication data; the photoelectric pulse interface is connected with the photoelectric pulse sampler 30 and is used for acquiring a photoelectric pulse signal sampled and acquired by the photoelectric pulse sampler 30; the table body current copper bar 43 is arranged on the surface of the checking gauge unit 40, so that the checking gauge unit 40 can be conveniently connected with the copper sleeve 15, and the electric connection between the checking gauge unit 40 and the plug crimping tool 10 is realized; the connecting rod is arranged in the crimping wrench 44, the connecting rod can be controlled to move by pulling the crimping wrench 44, the copper sleeve 15 of the plug crimping tool 10 is tightly connected with the table body current copper rod 43, and excessive heating can be avoided through enough current.
Wherein, still include: and the base is arranged on the checking gauge unit 40 and used for fixing the photoelectric pulse sampler 30 and aligning a sampling window of the photoelectric pulse sampler 30 to the optical pulse output port of the plug-in electric energy meter 90 to obtain an optical pulse signal sent by the plug-in electric energy meter 90.
Specifically, the verification unit 40 may be provided with a base for fixing the photoelectric pulse sampler 30, after the photoelectric pulse sampler 30 samples the output pulse signal of the plug-in electric energy meter 90, the photoelectric pulse signal obtained by sampling is transmitted to the verification unit 40, and the photoelectric pulse signal is analyzed by the verification unit 40 to determine whether the function of the plug-in electric energy meter 90 is normal.
Seven copper bars 43 of the table current and seven copper sleeves 15 of the plug-in crimping tool 10 are arranged and correspond to one another.
Specifically, in order to correspond to the ammeter copper connecting sheet 91, seven table body current copper bars 43 and the copper sleeves 15 of the plug crimping tool 10 are also provided, and the table body current copper bars 43 correspond to the copper sleeves 15 one by one. As shown in fig. 4, the connection of the stage current copper bar 43 may be: no. 1 platform body current bar copper is used for A to advance to voltage current, no. 2 platform body current bar copper is used for A to go out to voltage current, no. 3 platform body current bar copper is used for B looks voltage current to advance, no. 4 platform body current bar copper is used for B looks voltage current to flow out, no. 5 platform body current bar copper is used for C looks voltage current to advance, no. 6 platform body current bar copper is used for C looks voltage current to flow out, no. 7 platform body current bar copper is used for connecting the zero line.
In one embodiment, when the system is used for testing the communication function and the metering function of the plug-in electric energy meter, the method comprises the following steps:
firstly, connecting a plug-in crimping tool with a checking gauge unit on an electric energy meter checking table, sleeving a copper sleeve into a table body current copper bar of the checking gauge unit, and pulling a crimping wrench downwards to enable the copper sleeve of the plug-in crimping tool to be tightly connected with the table body current copper bar on the checking gauge unit, so as to ensure that the copper sleeve can pass through enough current without excessive heating;
secondly, connect plug crimping frock and plug-in crimping electric energy meter: the method comprises the following steps of inserting an ammeter copper connecting sheet into a connecting jack, contacting with a pressing sheet and a blocking piece inside the connecting jack, and pulling a fastening wrench leftwards to push the pressing sheet inside the jack to move towards the blocking piece, so that the ammeter copper connecting sheet is contacted with the pressing sheet and the blocking piece more tightly, enough electric energy can be ensured to pass without excessive heating, and meanwhile, the plug-in electric energy meter is connected with a near infrared communication converter through a near infrared communication interface of a plug-in compression joint tool;
and finally, aligning a sampling window of the photoelectric pulse sampler to an optical pulse output port of the plug-in electric energy meter, verifying the plug-in electric energy meter through a verification unit to obtain related verification parameters, and judging whether the plug-in electric energy meter is qualified or not according to the verification parameters.
After the plug-in crimping tool is installed on the electric energy meter calibration stand, the plug-in crimping tool can be fixed differently, after the test of one plug-in electric energy meter is completed, the fastening wrench can be pulled rightwards, the electric energy meter copper connecting sheet inside the connecting jack is loosened, the plug-in electric energy meter is taken down, and the plug-in electric energy meter to be tested next to the upper one is replaced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several variations and modifications can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A test connection system for a plug-in electric energy meter is characterized by comprising: the system comprises a plug-in crimping tool, a near infrared communication converter, a photoelectric pulse sampler and an electric energy meter calibration stand;
the plug-in crimping tool is electrically connected with the electric energy meter calibration stand and the plug-in electric energy meter and is used for communicating the electric energy meter calibration stand and the plug-in electric energy meter;
one end of the near-infrared communication converter is in communication connection with the electric energy meter calibration stand, and the other end of the near-infrared communication converter is arranged in the plug-in crimping tool, is in communication connection with the plug-in electric energy meter and is used for data communication connection between the electric energy meter calibration stand and the plug-in electric energy meter;
the photoelectric pulse sampler is in communication connection with the electric energy meter calibration console and is used for acquiring optical pulse signals sent by the plug-in electric energy meter and transmitting the optical pulse signals to the electric energy meter calibration console;
the electric energy meter calibration stand is provided with a plurality of calibration gauge units, and the plurality of calibration gauge units are electrically connected with the plug crimping tool to perform function calibration on the plug type electric energy meter.
2. The test connection system for the plug-in electric energy meter according to claim 1, wherein the plug-in crimping tool comprises a substrate, a near infrared communication interface, a connecting jack, a fastening wrench and a copper sleeve;
the near-infrared communication interface, the connecting jack, the fastening wrench and the copper sleeve are all arranged on the substrate;
the near-infrared communication interface is connected with the plug-in electric energy meter, and the near-infrared communication converter is connected with the plug-in electric energy meter through the near-infrared communication interface;
seven connecting jacks are arranged and correspond to the ammeter copper connecting sheets of the plug-in electric energy meter one by one, and the plug-in crimping tool and the plug-in electric energy meter are connected by inserting the ammeter copper connecting sheets into the connecting jacks;
the fastening wrench is used for fastening the ammeter copper connecting sheet inserted into the connecting jack;
the copper bush set up in plug crimping frock bottom, be used for with inspection surface unit connects.
3. The test connection system for the plug-in electric energy meter according to claim 2, wherein a blocking piece and a pressing piece are arranged in the connecting jack, and the blocking piece and the pressing piece are elastic copper sheets; a gap is arranged between the blocking piece and the pressing piece, and the ammeter copper connecting piece is inserted into the connecting jack through the gap and is in contact with the blocking piece and the pressing piece;
the pressing sheet is provided with a connecting part, the connecting part is connected with the fastening wrench through a connecting rod, and the pressing sheet is pressed towards or away from the blocking sheet by pulling the fastening wrench.
4. The test connection system for a plug-in electric energy meter according to claim 2, wherein the connection hole comprises an A-phase current outlet, an A-phase current inlet, a B-phase current outlet, a B-phase current inlet, a C-phase current outlet, a C-phase current inlet and a zero line interface.
5. The test connection system for the plug-in electric energy meter according to claim 1, further comprising a base, wherein the base is mounted on the verification unit and used for fixing the photoelectric pulse sampler and acquiring an optical pulse signal emitted by the plug-in electric energy meter by aligning a sampling window of the photoelectric pulse sampler with an optical pulse output port of the plug-in electric energy meter.
6. The test connection system for the plug-in electric energy meter according to claim 2, characterized in that the calibration gauge unit is provided with a near infrared communication interface, a photoelectric pulse interface, a table body current copper bar and a crimping wrench;
the near-infrared communication interface is used for being connected with the near-infrared communication converter;
the photoelectric pulse interface is used for being connected with the photoelectric pulse sampler;
the table body current copper bar is used for being connected with a copper sleeve of the plug compression joint tool;
the crimping wrench is used for fastening the connection between the table body current copper bar and the copper sleeve.
7. The system for testing and connecting the pluggable electric energy meter according to claim 6, wherein seven copper bars of the table current and seven copper sleeves of the pluggable crimping tool are arranged and correspond to one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998850.XA CN115372883A (en) | 2022-08-19 | 2022-08-19 | Test connection system for plug-in electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998850.XA CN115372883A (en) | 2022-08-19 | 2022-08-19 | Test connection system for plug-in electric energy meter |
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| CN115372883A true CN115372883A (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210998850.XA Pending CN115372883A (en) | 2022-08-19 | 2022-08-19 | Test connection system for plug-in electric energy meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735933A (en) * | 2023-06-21 | 2023-09-12 | 杭州德创电子股份有限公司 | Crimping device and communication device |
| CN117214806A (en) * | 2023-11-07 | 2023-12-12 | 成都汉度科技有限公司 | Power grid equipment test board and test system |
-
2022
- 2022-08-19 CN CN202210998850.XA patent/CN115372883A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735933A (en) * | 2023-06-21 | 2023-09-12 | 杭州德创电子股份有限公司 | Crimping device and communication device |
| CN117214806A (en) * | 2023-11-07 | 2023-12-12 | 成都汉度科技有限公司 | Power grid equipment test board and test system |
| CN117214806B (en) * | 2023-11-07 | 2024-01-19 | 成都汉度科技有限公司 | Power grid equipment test board and test system |
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