CN209132415U - A kind of device for realizing ammeter double loop while loading current - Google Patents
A kind of device for realizing ammeter double loop while loading current Download PDFInfo
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- CN209132415U CN209132415U CN201821435406.2U CN201821435406U CN209132415U CN 209132415 U CN209132415 U CN 209132415U CN 201821435406 U CN201821435406 U CN 201821435406U CN 209132415 U CN209132415 U CN 209132415U
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- current
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Abstract
The utility model 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 utility model, which is realized, 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 utility model relates to the technical field of electric energy meter, in particular to a kind of realization ammeter double loop while loading current
Device.
[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.
[utility model content]
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of realization ammeter double loop is provided simultaneously
The device and its application method of loading current aim to solve the problem that in the prior art using double-current source mode to double loop single-phase electricity
Two circuits of energy table verify technical problem complicated in the presence of control, at high cost simultaneously.
To achieve the above object, the utility model proposes it is a kind of realize ammeter double loop simultaneously loading current device,
Including shell, current source detent and multiple current transformer detents being arranged successively are provided in the shell, and described
Shell be respectively arranged with current source firewire pull-switch and current source zero line interface in the two sides of the current source detent, it is described
Current source detent in a current source is installed, and the firewire of current source is connect with one end of current source firewire pull-switch, electric
The zero curve in stream source is connect with the inner end of current source zero line interface, and the shell is provided in each current transformer detent
Winding connection mouth is equipped with current transformer in the current transformer detent, and the winding on current transformer with it is right
Corresponding winding connection mouth inner end in current transformer detent is answered to connect.
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
For 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.
The utility model also proposed a kind of application method of device for realizing ammeter double loop while loading current, including
Following steps:
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 are as follows: the primary side second interface outer end and the latter electric current in previous current transformer detent are 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, 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, institute double loop single-phase electric energy meter to be measured and company, 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, 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.
The utility model has the beneficial effects that compared with prior art, a kind of realization ammeter double back provided by the utility model
The device of road while loading current, it is structurally reasonable, by being provided with current source detent and multiple electricity being arranged successively in shell
Current transformer detent, and it is provided with the wiring interface for current source and current transformer, facilitate current source or current transformer to damage
Bad when, is replaced in time, and can select equal number of Current Mutual Inductances according to double loop single-phase electric energy meter quantity to be verified simultaneously
Device detent is attached, and realizes that only one current source of needs can be achieved with same to two circuits of multiple double loop single-phase electric energy meters
When load same current, solve at present and have that control is complicated using double-current source difference loading current, problem at high cost,
And it is convenient for carrying and moves.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is that a kind of internal structure for the device for realizing ammeter double loop while loading current of the utility model embodiment is shown
It is intended to；
Fig. 2 is that a kind of external structure for the device for realizing ammeter double loop while loading current of the utility model embodiment is shown
It is intended to.
[specific embodiment]
To make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments,
The present invention will be further described in detail.However, it should be understood that specific embodiment described herein is only used to solve
The utility model is released, the range being not intended to limit the utility model.In addition, in the following description, being omitted to known features
With the description of technology, to avoid the concept for unnecessarily obscuring the utility model.
Refering to fig. 1 and Fig. 2, the utility model embodiment provide a kind of dress for realizing ammeter double loop while loading current
It sets, including shell 1, current source detent 2 and multiple current transformer detents 3 being arranged successively is provided in the shell 1, and
And the shell 1 is respectively arranged with current source firewire pull-switch 21 and current source zero in the two sides of the current source detent 2
Line interface 22, the current source detent 2 is interior to install a current source 4, and the firewire of current source 4 is opened with current source firewire wiring
21 one end connection is closed, the zero curve of current source 4 is connect with the inner end of current source zero line interface 22, and the shell 1 is in each electricity
It is provided with winding connection mouth in current transformer detent 3, current transformer 5 is installed in the current transformer detent 2, and
And the 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 the utility model embodiment, the first side winding coil turn and secondary side of the current transformer 5 around
The ratio between group coil turn 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.
The utility model also proposed a kind of application method of device for realizing ammeter double loop while loading current, including
Following steps:
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 are as follows: 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 utility model, it is structurally reasonable, by shell 1
It is provided with current source detent 2 and multiple current transformer detents 3 being arranged successively, and is provided with for current source 4 and Current Mutual Inductance
The wiring interface of device 5 facilitates current source 4 or current transformer 5 to replace in time when damaging, in verification, can according to simultaneously to
The double loop single-phase electric energy meter quantity of verification selects equal number of current transformer detents 3 to be attached, and realizes and only needs one
Current source can be achieved with two circuits to multiple double loop single-phase electric energy meters while load same current, solve current use
Double-current source distinguishes loading current and there is control complexity, problem at high cost, and idler wheel 14, top is arranged in 1 bottom of shell
Handle 16 is set, is convenient for carrying.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
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 (3)
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 4, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435406.2U CN209132415U (en) | 2018-09-03 | 2018-09-03 | A kind of device for realizing ammeter double loop while loading current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435406.2U CN209132415U (en) | 2018-09-03 | 2018-09-03 | A kind of device for realizing ammeter double loop while loading current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132415U true CN209132415U (en) | 2019-07-19 |
Family
ID=67229748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821435406.2U Active CN209132415U (en) | 2018-09-03 | 2018-09-03 | A kind of device for realizing ammeter double loop while loading current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828498A (en) * | 2018-09-03 | 2018-11-16 | 海盐星创电子有限公司 | A kind of device and its application method for realizing ammeter double loop while loading current |
-
2018
- 2018-09-03 CN CN201821435406.2U patent/CN209132415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828498A (en) * | 2018-09-03 | 2018-11-16 | 海盐星创电子有限公司 | A kind of device and its application method for realizing ammeter double loop while loading current |
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