CN108828498A - A kind of device and its application method for realizing ammeter double loop while loading current - Google Patents
A kind of device and its application method for realizing ammeter double loop while loading current Download PDFInfo
- Publication number
- CN108828498A CN108828498A CN201811021383.5A CN201811021383A CN108828498A CN 108828498 A CN108828498 A CN 108828498A CN 201811021383 A CN201811021383 A CN 201811021383A CN 108828498 A CN108828498 A CN 108828498A
- Authority
- CN
- China
- Prior art keywords
- current
- detent
- interface
- current source
- double loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Abstract
The invention discloses a kind of devices for realizing ammeter double loop while loading current, including shell, current source detent and multiple current transformer detents being arranged successively are provided in the shell, and shell is respectively arranged with current source firewire pull-switch and current source zero line interface in the two sides of current source detent, one current source is installed in the current source detent, and the firewire of current source is connect with one end of current source firewire pull-switch, the zero curve of current source is connect with the inner end of current source zero line interface, shell is provided with winding connection mouth in each current transformer detent, current transformer is installed in current transformer detent, and the winding on current transformer is connected with corresponding winding connection mouth inner end in corresponding current mutual inductor detent.The present invention, which realizes, only needs a current source to can be achieved with two circuits to multiple double loop single-phase electric energy meters while loading same current, and control is simple, at low cost, and is convenient for changing, carries and moves.
Description
【Technical field】
The present invention relates to the technical field of electric energy meter, in particular to a kind of dress for realizing ammeter double loop while loading current
It sets and its application method.
【Background technique】
Double loop single-phase electric energy meter refers to that two circuits of the table can all realize metering, and two circuits are major loop respectively
(also known as phase line loop) and auxiliary circuit (also known as zero curve circuit), the input terminal of major loop connects power firestreak, and outlet terminal connects use
Family firewire；The input terminal in auxiliary circuit connects zero-power line, and outlet terminal connects user's zero curve.
In double loop, two circuits of single-phase electric energy meter load same current test simultaneously, are generally adopted by double-current source
Mode is come what is realized, i.e., major loop uses a current source, and zero curve circuit uses a current source, its advantage is that using double electricity
Stream source, output power is advantageous in multi-epitope test device, the disadvantage is that control is complicated, at high cost, pair of especially small epitope
Circuit verifies simultaneously, and verification cost is more prominent.
【Summary of the invention】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of realization ammeter double loop is provided while being loaded
The device and its application method of electric current aim to solve the problem that in the prior art using double-current source mode to double loop single-phase electric energy meter
Two circuits verify technical problem complicated in the presence of control, at high cost simultaneously.
To achieve the above object, the invention proposes a kind of devices for realizing ammeter double loop while loading current, including
Shell is provided with current source detent and multiple current transformer detents being arranged successively, and the shell in the shell
Body is respectively arranged with current source firewire pull-switch and current source zero line interface, the electricity in the two sides of the current source detent
One current source is installed, and the firewire of current source is connect with one end of current source firewire pull-switch, current source in the detent of stream source
Zero curve connect with the inner end of current source zero line interface, the shell is provided with winding in each current transformer detent
Connection jaws are equipped with current transformer in the current transformer detent, and the winding on current transformer and corresponding electricity
Corresponding winding connection mouth inner end connects in current transformer detent.
Preferably, the winding connection mouth includes primary side first interface, primary side second interface, secondary side first
Interface and secondary side second interface, it is the primary side first interface, primary side second interface and secondary side first interface, secondary
First side winding two of the side second interface Relative distribution on the two sides of corresponding current mutual inductor detent, the current transformer
End connect respectively with the primary side first interface in corresponding current mutual inductor detent, primary side second interface inner end, secondary side around
Group both ends are connect with the secondary side first interface in corresponding current mutual inductor detent, secondary side second interface inner end respectively, and first
The other end of primary side first interface outer end and current source firewire pull-switch in a current transformer detent is connected by conducting wire
It connects.
Preferably, the ratio between the first side winding coil turn of the current transformer and secondary side winding coil turn
It is 1：1.
Preferably, the shell uses the split type structure that is assembled by pedestal and upper cover, the pedestal and
Upper cover is locked by several pulling buckles to be connected, and the current source detent and multiple current transformer detents being arranged successively are arranged at
In pedestal.
Preferably, the pedestal of the shell is additionally provided with idler wheel, the pedestal side is additionally provided with heat release hole, institute
Handle is additionally provided on the upper lid stated.
Preferably, being additionally provided with the interior lattice for placing connecting wire in the shell.
It is including as follows the invention also provides a kind of application method for realizing the ammeter double loop device of loading current simultaneously
Step：
S1, the quantity for being needed while being verified according to double loop single-phase electric energy meter to be measured, select the current transformer with quantity
It is attached, connection type is：Primary side second interface outer end and the latter electric current in previous current transformer detent is mutual
Primary side first interface outer end in sensor detent is connected by conducting wire, user's fire on each double loop single-phase electric energy meter to be measured
Line terminals, user's zero terminal pass through conducting wire respectively and connect secondary side first interface outer end in corresponding current mutual inductor detent, two
Secondary side second interface outer end, the primary side second interface outer end in the last one current transformer detent pass through conducting wire and first
The power firestreak terminal of company of current transformer detent institute double loop single-phase electric energy meter to be measured connects, previous current transformer detent
The zero-power line terminal of company of institute double loop single-phase electric energy meter to be measured and company of previous current transformer detent institute double loop to be measured are single
The power firestreak terminal of phase electric energy meter is connected by conducting wire, the last one company of current transformer detent institute double loop single-phase electricity to be measured
The zero-power line terminal of energy table is connected by conducting wire with current source zero line interface；
S2, firing current source firewire pull-switch, by current source to each double loop single-phase electric energy meter of verification simultaneously
Major loop and auxiliary circuit load same current simultaneously.
Beneficial effects of the present invention：Compared with prior art, a kind of realization ammeter double loop provided by the invention adds simultaneously
Current-carrying device, it is structurally reasonable, by being provided with current source detent and multiple current transformers being arranged successively in shell
Detent, and it is provided with the wiring interface for current source and current transformer, facilitate current source or current transformer timely when damaging
Replacement, and can be selected according to double loop single-phase electric energy meter quantity to be verified simultaneously equal number of current transformer detents into
Row connection is realized and only a current source is needed to can be achieved with two circuits to multiple double loop single-phase electric energy meters while loading phase
Same electric current solves and there is complicated, the at high cost problem that controls using double-current source difference loading current at present, and conveniently
It carries and mobile.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
【Detailed description of the invention】
Fig. 1 is a kind of internal structure signal of device for realizing ammeter double loop while loading current of the embodiment of the present invention
Figure；
Fig. 2 is a kind of external structure signal of device for realizing ammeter double loop while loading current of the embodiment of the present invention
Figure.
【Specific embodiment】
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The range being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to fig. 1 and Fig. 2, the embodiment of the present invention provide a kind of device for realizing ammeter double loop while loading current, packet
Shell 1 is included, current source detent 2 and multiple current transformer detents 3 being arranged successively, and institute are provided in the shell 1
The shell 1 stated is respectively arranged with current source firewire pull-switch 21 in the two sides of the current source detent 2 and current source zero curve connects
Mouth 22, the current source detent 2 is interior to install a current source 4, and the firewire of current source 4 and current source firewire pull-switch 21
One end connection, the zero curve of current source 4 connect with the inner end of current source zero line interface 22, and the shell 1 is mutual in each electric current
It is provided with winding connection mouth in sensor detent 3, current transformer 5, and electricity are installed in the current transformer detent 2
Winding on current transformer 5 is connected with corresponding winding connection mouth inner end in corresponding current mutual inductor detent 3.
Further, the winding connection mouth includes primary side first interface 31, primary side second interface 32, secondary side
First interface 33 and secondary side second interface 34, the primary side first interface 31, primary side second interface 32 and secondary side
First interface 33,34 Relative distribution of secondary side second interface are in the two sides of corresponding current mutual inductor detent 3, the Current Mutual Inductance
First side winding both ends on device 5 respectively with primary side first interface 31, the primary side second in corresponding current mutual inductor detent 3
32 inner end of interface connection, secondary side winding both ends respectively with the secondary side first interface 33, two in corresponding current mutual inductor detent 3
Secondary 34 inner end of side second interface connects, 31 outer end of primary side first interface and current source in first current transformer detent 3
The other end of firewire pull-switch 21 is connected by conducting wire.
In embodiments of the present invention, the first side winding coil turn of the current transformer 5 and secondary side winding line
Enclosing the ratio between the number of turns is 1：1.
Further, the shell 1 is described using the split type structure assembled by pedestal 11 and upper cover 12
Pedestal 11 and upper cover 12 pass through 13 connection of several pulling buckles lock, the current source detent 2 and multiple Current Mutual Inductances being arranged successively
Device detent 3 is arranged in pedestal 11；The pedestal 11 of the shell 1 is additionally provided with idler wheel 14, and 11 side of pedestal is also
It is provided with heat release hole 15, is additionally provided with handle 16 in the upper cover 12；It is additionally provided in the shell 1 for placing connection
The interior lattice 17 of conducting wire.
It is including as follows the invention also provides a kind of application method for realizing the ammeter double loop device of loading current simultaneously
Step：
S1, the quantity for being needed while being verified according to double loop single-phase electric energy meter to be measured, select the current transformer 5 with quantity
It is attached, connection type is：32 outer end of primary side second interface and the latter electric current in previous current transformer detent 3
31 outer end of primary side first interface in mutual inductor detent 3 is connected by conducting wire, on each double loop single-phase electric energy meter to be measured
User's fire line terminal, user's zero terminal pass through conducting wire respectively and connect secondary side first interface in corresponding current mutual inductor detent 3
33 outer ends, 34 outer end of secondary side second interface, 32 outer end of primary side second interface in the last one current transformer detent 3 are logical
It crosses conducting wire and is connect with the power firestreak terminal that first current transformer detent 3 connects double loop single-phase electric energy meter to be measured, it is previous
A current transformer detent 3 connect double loop single-phase electric energy meter to be measured zero-power line terminal and previous current transformer detent
The power firestreak terminal of 3 companies double loop single-phase electric energy meter to be measured is connected by conducting wire, the last one 3 institute of current transformer detent
Even the zero-power line terminal of double loop single-phase electric energy meter to be measured is connected by conducting wire with current source zero line interface 22；
S2, firing current source firewire pull-switch 21, by current source 4 to each double loop single-phase electric energy meter of verification simultaneously
Major loop and auxiliary circuit load same current simultaneously.
A kind of device for realizing ammeter double loop while loading current of the present invention, it is structurally reasonable, by being arranged in shell 1
There are current source detent 2 and multiple current transformer detents 3 being arranged successively, and is provided with for current source 4 and current transformer 5
Wiring interface facilitates current source 4 or current transformer 5 to replace in time when damaging, can be according to be verified simultaneously in verification
Double loop single-phase electric energy meter quantity selects equal number of current transformer detents 3 to be attached, and realizes and only needs a current source
It can be achieved with two circuits to multiple double loop single-phase electric energy meters while loading same current, solve at present using double-current
Source distinguishes loading current and there is control complexity, problem at high cost, and idler wheel 14 is arranged in 1 bottom of shell, and top setting mentions
Hand 16, is convenient for carrying.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of device for realizing ammeter double loop while loading current, it is characterised in that：Including shell (1), the shell
(1) it is provided with current source detent (2) and multiple current transformer detents (3) being arranged successively in, and the shell (1) exists
The two sides of the current source detent (2) are respectively arranged with current source firewire pull-switch (21) and current source zero line interface (22),
A current source (4) are installed in the current source detent (2), and the firewire of current source (4) and current source firewire pull-switch
(21) one end connection, the zero curve of current source (4) are connect with the inner end of current source zero line interface (22), and the shell (1) exists
It is provided with winding connection mouth on each current transformer detent (3), electric current is installed in the current transformer detent (2)
Mutual inductor (5), and the winding on current transformer (5) and corresponding winding connection mouth in corresponding current mutual inductor detent (3)
Inner end connection.
2. a kind of device for realizing ammeter double loop while loading current as described in claim 1, it is characterised in that：Described
Winding connection mouth includes primary side first interface (31), primary side second interface (32), secondary side first interface (33) and secondary
Side second interface (34), the primary side first interface (31), primary side second interface (32) and secondary side first interface
(33), secondary side second interface (34) Relative distribution is in the two sides of corresponding current mutual inductor detent (3), the current transformer
(5) first side winding both ends on respectively with primary side first interface (31), the primary side in corresponding current mutual inductor detent (3)
Second interface (32) inner end connection, secondary side winding both ends respectively with the secondary side first in corresponding current mutual inductor detent (3)
Interface (33), secondary side second interface (34) inner end connect, the primary side first interface on first current transformer detent (3)
(31) outer end is connect with the other end of current source firewire pull-switch (21) by conducting wire.
3. a kind of device for realizing ammeter double loop while loading current as described in claim 1, it is characterised in that：Described
The ratio between first side winding coil turn and secondary side winding coil turn of current transformer (5) are 1：1.
4. a kind of device for realizing ammeter double loop while loading current as described in claim 1, it is characterised in that：Described
Shell (1) is using the split type structure assembled by pedestal (11) and upper cover (12), the pedestal (11) and upper cover (12)
By several pulling buckles lock (13) connection, the current source detent (2) and multiple current transformer detents (3) being arranged successively are equal
Setting is in pedestal (11).
5. a kind of device for realizing ammeter double loop while loading current as claimed in claim 3, it is characterised in that：Described
The pedestal (11) of shell (1) is additionally provided with idler wheel (14), and the pedestal (11) side is additionally provided with heat release hole (15), described
Handle (16) are additionally provided in upper cover (12).
6. a kind of device for realizing ammeter double loop while loading current as claimed in claim 3, it is characterised in that：Described
The interior lattice (17) for placing connecting wire are additionally provided in shell (1).
7. a kind of application method for the device for realizing ammeter double loop while loading current, it is characterised in that：Include the following steps：
S1, according to double loop single-phase electric energy meter to be measured need simultaneously verify quantity, selection with quantity current transformer (5) into
Row connection, connection type are：Primary side second interface (32) outer end and the latter electricity on previous current transformer detent (3)
Primary side first interface (31) outer end in current transformer detent (3) is connected by conducting wire, each double loop single-phase electric energy to be measured
User's fire line terminal, user's zero terminal on table pass through conducting wire respectively and connect secondary side in corresponding current mutual inductor detent (3)
First interface (33) outer end, secondary side second interface (34) outer end, the primary side in the last one current transformer detent (3)
Two interfaces (32) outer end passes through the power supply of conducting wire and first company of current transformer detent (3) institute double loop single-phase electric energy meter to be measured
Fire line terminal connection, the zero-power line terminal of company of previous current transformer detent (3) institute double loop single-phase electric energy meter to be measured with
The power firestreak terminal of company of previous current transformer detent (3) institute double loop single-phase electric energy meter to be measured is connected by conducting wire, most
The zero-power line terminal of company of the latter current transformer detent (3) institute double loop single-phase electric energy meter to be measured passes through conducting wire and current source
Zero line interface (22) connects；
S2, firing current source firewire pull-switch (21), by current source (4) to each double loop single-phase electric energy meter of verification simultaneously
Major loop and auxiliary circuit load same current simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021383.5A CN108828498A (en) | 2018-09-03 | 2018-09-03 | A kind of device and its application method for realizing ammeter double loop while loading current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021383.5A CN108828498A (en) | 2018-09-03 | 2018-09-03 | A kind of device and its application method for realizing ammeter double loop while loading current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108828498A true CN108828498A (en) | 2018-11-16 |
Family
ID=64151775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021383.5A Pending CN108828498A (en) | 2018-09-03 | 2018-09-03 | A kind of device and its application method for realizing ammeter double loop while loading current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108828498A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089266A (en) * | 2022-01-21 | 2022-02-25 | 杭州炬华科技股份有限公司 | Meter calibration method and system suitable for single-phase double-loop electric energy meter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718853A (en) * | 2009-11-20 | 2010-06-02 | 深圳市科陆电子科技股份有限公司 | Detecting device and detecting method of single-phase double-loop metering electric energy meter |
| CN103675748A (en) * | 2012-09-06 | 2014-03-26 | 苏州工业园区新宏博通讯科技有限公司 | Ammeter detection device |
| CN203643596U (en) * | 2013-12-18 | 2014-06-11 | 四川德阳德仪电子仪器有限公司 | Multi-meter-position three-phase electric energy meter detection system |
| CN206757027U (en) * | 2017-04-14 | 2017-12-15 | 国网四川省电力公司电力科学研究院 | Live virtual load calibration equipment based on empty electric current device |
| CN209132415U (en) * | 2018-09-03 | 2019-07-19 | 海盐星创电子有限公司 | A kind of device for realizing ammeter double loop while loading current |
-
2018
- 2018-09-03 CN CN201811021383.5A patent/CN108828498A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718853A (en) * | 2009-11-20 | 2010-06-02 | 深圳市科陆电子科技股份有限公司 | Detecting device and detecting method of single-phase double-loop metering electric energy meter |
| CN103675748A (en) * | 2012-09-06 | 2014-03-26 | 苏州工业园区新宏博通讯科技有限公司 | Ammeter detection device |
| CN203643596U (en) * | 2013-12-18 | 2014-06-11 | 四川德阳德仪电子仪器有限公司 | Multi-meter-position three-phase electric energy meter detection system |
| CN206757027U (en) * | 2017-04-14 | 2017-12-15 | 国网四川省电力公司电力科学研究院 | Live virtual load calibration equipment based on empty electric current device |
| CN209132415U (en) * | 2018-09-03 | 2019-07-19 | 海盐星创电子有限公司 | A kind of device for realizing ammeter double loop while loading current |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089266A (en) * | 2022-01-21 | 2022-02-25 | 杭州炬华科技股份有限公司 | Meter calibration method and system suitable for single-phase double-loop electric energy meter |
| CN114089266B (en) * | 2022-01-21 | 2022-05-20 | 杭州炬华科技股份有限公司 | Meter calibration method and system suitable for single-phase double-loop electric energy meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021047207A1 (en) | Magnetic device and bidirectional dc converter | |
| CN105044408B (en) | A kind of extra-high voltage detecting current transformer flows up device with high current | |
| CN105793935B (en) | For reducing the apparatus and method of the unidirectional flux component in the iron core of transformer | |
| CN108845286A (en) | Calibration equipment while a kind of two current loops of single-phase electric energy meter | |
| CN108828498A (en) | A kind of device and its application method for realizing ammeter double loop while loading current | |
| CN209132415U (en) | A kind of device for realizing ammeter double loop while loading current | |
| CN102568794A (en) | Multi-module inverter output split-winding transformer | |
| US8988182B2 (en) | Transformers and methods for constructing transformers | |
| CN110058071A (en) | Zero sequence current sensor circuit topology and switch pole | |
| CN107066010B (en) | Quadrature field regulator and pressure regulation method | |
| CN103117156B (en) | A kind of epoxy resin enclosed dry-type transformer of special construction | |
| CN209282023U (en) | A kind of open type current transformer | |
| CN105675947B (en) | A kind of polydisc inductive shunt | |
| CN208907914U (en) | Calibration equipment while a kind of two current loops of single-phase electric energy meter | |
| CN207489651U (en) | A kind of 10kV dry-type transformers new coil structure | |
| CN208401608U (en) | A kind of charging system and electric car | |
| CN208173407U (en) | A kind of open-close type mutual inductor having both protection Yu measurement function | |
| CN206451575U (en) | Heat radiating type transformer | |
| CN109782211A (en) | A kind of transformer secondary circuit fault simulation platform | |
| CN109148130A (en) | It is a kind of based on parity-time symmetry principle iron-free core transformer | |
| CN209200942U (en) | A kind of simple charge power supply of three-phase and four-line combination transformer | |
| CN209515426U (en) | A kind of parallel connection based on PT symmetry principle-parallel connection type iron-free core transformer | |
| CN202616777U (en) | Phase-shifting zero-sequence harmonic filter and three-phase four-wire AC power supply system | |
| CN207318698U (en) | A kind of Multifunctional three-phase current lifting device | |
| CN105830182B (en) | For reducing the device and method of the unidirectional flux component in the iron core of three-phase transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |