CN207703928U - A kind of voltage and current integral collecting module - Google Patents
A kind of voltage and current integral collecting module Download PDFInfo
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- CN207703928U CN207703928U CN201721893901.3U CN201721893901U CN207703928U CN 207703928 U CN207703928 U CN 207703928U CN 201721893901 U CN201721893901 U CN 201721893901U CN 207703928 U CN207703928 U CN 207703928U
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- voltage
- current
- signal
- transformer
- acquisition module
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Abstract
The utility model discloses a kind of voltage and current integral collecting modules, are related to electric power acquisition observation and control technology field.Including phases line voltage current acquisition module, it is mainly made of voltage transformer, current transformer and signal plug, the signal plug by socket output, socket input terminal and connection socket output and socket input terminal signal line group at, the voltage transformer and current transformer are respectively electrically connected on signal plug internal signal wire, and the terminals of the voltage transformer are connected with the voltage thimble for collection voltages signal through current-limiting resistance.The acquisition module improves signal transmission anti-interference ability, and can effectively improve system flexibility by modularization, standardization, scientific conceptual design.
Description
Technical field
The utility model is related to electric power acquisition observation and control technology field more particularly to a kind of voltage and current integral collecting moulds
Block.
Background technology
Since electric power automatic equipment requires comprehensive collection capacity higher and higher, the distribution system of conventional low is using independent
PT and CT inside external CT and TT＆C system complete the coupling of comprehensive electricity, and multistage mutual inductor outwardly and inwardly to measure
Error human factor increases, main wiring amount the outputting and inputting in alternating voltage electric current of secondary TT＆C system, for complete
For integration of equipments, design efforts would, assembly work amount and test job amount greatly increase.The technology of electric automation product carries
It rises, is to move towards modularization there are one big trend, complete, the upgrading dimension of system of the standard of the function of each functional unit as possible
The convenience of shield greatly improves.
The voltage of traditional pattern is to be directly accessed device, enters device sometimes through fuse, the strong and weak electricity of device every
From unclear, the secondary of current transformer cannot open a way, when the introducing of two-stage even multistage current transformer can make mutually
The probability of the secondary side open circuit of sensor greatly increases, and the high pressure that second open circuit generates can cause a variety of accidents, simultaneity factor wiring
It is complicated.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of voltage and current integral collecting module, the acquisition moulds
Block improves signal transmission anti-interference ability, and can effectively carry by modularization, standardization, scientific conceptual design
High system flexibility.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of voltage and current integration is adopted
Collect module, including phases line voltage current acquisition module, be mainly made of voltage transformer, current transformer and signal plug,
The signal plug by socket output, socket input terminal and connection socket output and socket input terminal signal line group at,
The voltage transformer and current transformer are respectively electrically connected on signal plug internal signal wire, and the voltage transformer connects
Line end is connected with the voltage thimble for collection voltages signal through current-limiting resistance.
The technical solution advanced optimized, which is the signal wire of the signal plug, 15 groups, and voltage transformer and electric current are mutual
The terminals of sensor are connected in turn respectively on 15 groups of signal wires, are used for signal acquisition.
The technical solution advanced optimized is that the signal plug outer surface is equipped with signal shielding layer.
The technical solution advanced optimized is that the phases line voltage current acquisition module is 3, respectively A phase voltages electric current
Acquisition module, B phase voltages current acquisition module, C phase voltage current acquisition modules；And A phase voltages current acquisition module, B phase electricity
Current voltage acquisition module, C phase voltages current acquisition module are connected electrically in respective signal by cable respectively between any two and insert
On seat, the overall output end of 3 phases line voltage current acquisition modules is connected to signal TT＆C system by signal shielding cable
On.
The technical solution advanced optimized is A phase voltages current acquisition module, B phase voltages current acquisition module, C phase voltages
The terminals of respective corresponding voltage transformer and current transformer are orderly connected to respectively corresponding in current acquisition module
Signal wire on, and between any two orderly connection, do not conflict mutually.
It is using advantageous effect caused by above-mentioned technical proposal：The utility model using flexible wiring as starting point, from
The key index of one or two fusions sets out, and carries out physical arrangement isolation for conventional current voltage transformer so that forceful electric power light current
Isolation, voltage introduce safety, and weak electric signal of the electric current without the direct outputting standard of more secondary circuits exempts the secondary liter of distribution system
Grade, modularization, standardization, scientific scheme service efficiency are high, electric current loop transmission product strong antijamming capability, and can be effective
Raising system flexibility, for conventional electrical distribution automation efficiency raising have huge engineering significance.This programme uses three
The acquisition module of identical voltage current transformer composition is installed with voltage transformer and Current Mutual Inductance inside each acquisition module
Two kinds of device, is electrically connected by Special cable wire, and outputs signals to TT＆C system by special fatigued cable, is completed to voltage
The induction of current signal.It is widely used in power generation, transmission of electricity, distribution, electricity consumption and new energy electric power secondary automation signal acquisition field
It closes, there is the long-term continuous service ability of high reliability, can not had a power failure installation completely, and electric system being capable of continuous operation.
Description of the drawings
Fig. 1 is the utility model schematic block circuit diagram；
Fig. 2 is A phase voltages current acquisition module internal circuit configuration figure in embodiment；
Fig. 3 is B phase voltages current acquisition module internal circuit configuration figure in embodiment；
Fig. 4 is C phase voltages current acquisition module internal circuit configuration figure in embodiment；
Wherein, 1A phase voltages current acquisition module, 2B phase voltage current acquisition modules, 3C phase voltage current acquisition modules, 4
Cable, 5 signal shielding cables, 6 voltage thimbles, 7 socket input terminals, 8 signal shielding layers, 9 socket outputs, 10 signals
Line, 11 current transformers, 12 voltage transformers, 13 current-limiting resistances.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 4, the utility model discloses a kind of voltage and current integral collecting modules, including phases line voltage
Current acquisition module is mainly made of voltage transformer 12, current transformer 11 and signal plug, and the signal plug is by inserting
Seat output end 9, socket input terminal 7 and the signal wire 10 of connection socket output 9 and socket input terminal 7 form, and the voltage is mutual
Sensor 12 and current transformer 11 are respectively electrically connected on signal plug internal signal wire 10, the wiring of the voltage transformer 12
End is connected with the voltage thimble 6 for collection voltages signal through current-limiting resistance 13.
The technical solution advanced optimized, which is the signal wire 10 of the signal plug, 15 groups, and voltage transformer 12 and electricity
The terminals of current transformer 11 are connected in turn respectively on 15 groups of signal wires 10, are used for signal acquisition.
The technical solution advanced optimized is that the signal plug outer surface is equipped with signal shielding layer 8.
The technical solution advanced optimized is that the phases line voltage current acquisition module is 3, respectively A phase voltages electric current
Acquisition module 1, B phase voltages current acquisition module 2, C phase voltages current acquisition module 3；And A phase voltages current acquisition module 1, B
Phase voltage current acquisition module 2, C phase voltages current acquisition module 3 are connected electrically in by cable respective respectively between any two
On signal plug, the overall output end of 3 phases line voltage current acquisition modules is connected to signal by signal shielding cable 5 and surveys
In control system.
The technical solution advanced optimized is A phase voltages current acquisition module 1, B phase voltages current acquisition module 2, C phase electricity
The terminals of respective corresponding voltage transformer 12 and current transformer 11 are orderly connected to respectively in current voltage acquisition module 3
On corresponding signal wire 10, and orderly connection between any two, do not conflict mutually；Its respectively wiring sequence of positions do not require, only
It is conllinear between any two.
Wherein, as shown in Figures 2 to 4, line relationship of three acquisition modules respectively between voltage current transformer is as follows：
Signal plug is connected by the 15 core signal wires with shielding,
The secondary inductive output of A phase current mutual inductors meets S1 and S2；
One end for A phase voltage mutual inductors connects voltage thimble through current-limiting resistance, and one terminates S14, secondary to meet S7 and S8.
The secondary inductive output of B phase current mutual inductors meets S3 and S4；
One end for B phase voltage mutual inductors connects voltage thimble through current-limiting resistance, and one terminates S15, secondary to meet S9 and S10.
The secondary inductive output of C phase current mutual inductors meets S5 and S6；
One end for C phase voltage mutual inductors connects voltage thimble through current-limiting resistance, and one terminates S14, secondary to meet S11 and S12.
The current transformer of the utility model, which has opening electric current sensing capability, using the material of permalloy
Matter has precision high, and the strong speciality of anti-saturation characteristic is extremely suitable for the signal acquisition of automation equipment, using fixed current
Ring mode so that the secondary output of the mutual inductor of different size is unified, it is only necessary to which automation equipment carries out multiplying power and regards calculation again
.
Voltage transformer, to ensure to facilitate the introducing of voltage, this module to be introduced using voltage thimble, thimble can be very simple
Single connector to busbar or cable contacts, and signal introducing is carried out through current-limiting resistance, and the introducing of the signal passes through skilful
Wonderful bus and B C module composition measuring loops, output are exported as current loop using electric current, anti-interference ability
By force.
The socket of 15 core ribbon shielding, this socket has the function of shielding 15 bus distich both sides sockets, to disparate modules
Signal access terminal position it is different, can be to corresponding after the A B tri- acquisition module zoariums of C made or when two modules
Circuit carries out the sensing of voltage and current, without being confined to wiring, as long as signal plug is connected by connecting line, relatively
The circuit answered is constituted.
Simplified summary describes, and the voltage current transformer position different with bus constitutes different modules, module group
It knits and forms three-phase standard mutual inductor, be output in automatical measure and control system.
Claims (5)
1. a kind of voltage and current integral collecting module, it is characterised in that：Including phases line voltage current acquisition module, mainly by
Voltage transformer, current transformer and signal plug composition, the signal plug is by socket output, socket input terminal and connection
The signal line group of socket output and socket input terminal is at the voltage transformer and current transformer are respectively electrically connected to signal
On socket internal signal wire, the terminals of the voltage transformer are connected with the voltage for collection voltages signal through current-limiting resistance
Thimble.
2. a kind of voltage and current integral collecting module according to claim 1, it is characterised in that：The signal of the signal plug
Line has 15 groups, and the terminals of voltage transformer and current transformer are connected in turn respectively on 15 groups of signal wires, is used for signal
Acquisition.
3. a kind of voltage and current integral collecting module according to claim 1, it is characterised in that：The signal plug outer surface
Equipped with signal shielding layer.
4. a kind of voltage and current integral collecting module according to claim 1, it is characterised in that：The phases line voltage electric current is adopted
It is 3, respectively A phase voltages current acquisition module, B phase voltages current acquisition module, C phase voltage current acquisition moulds to collect module
Block；And A phase voltages current acquisition module, B phase voltages current acquisition module, C phase voltage current acquisition modules are distinguished between any two
It is connected electrically on respective signal plug by cable, the overall output end of 3 phases line voltage current acquisition modules passes through letter
Number shielded cable is connected on signal TT＆C system.
5. a kind of voltage and current integral collecting module according to claim 1 to 4 any one, it is characterised in that：A phases
Voltage and current acquisition module, B phase voltages current acquisition module, respectively corresponding voltage is mutual in C phase voltage current acquisition modules
The terminals of sensor and current transformer are orderly connected on respective corresponding signal wire, and orderly connection between any two, mutually
Do not conflict.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893901.3U CN207703928U (en) | 2017-12-29 | 2017-12-29 | A kind of voltage and current integral collecting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893901.3U CN207703928U (en) | 2017-12-29 | 2017-12-29 | A kind of voltage and current integral collecting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703928U true CN207703928U (en) | 2018-08-07 |
Family
ID=63030080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721893901.3U Active CN207703928U (en) | 2017-12-29 | 2017-12-29 | A kind of voltage and current integral collecting module |
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| Country | Link |
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| CN (1) | CN207703928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646663A (en) * | 2019-10-28 | 2020-01-03 | 江苏靖江互感器股份有限公司 | Primary and secondary depth fusion combined sensor for vacuum circuit breaker |
-
2017
- 2017-12-29 CN CN201721893901.3U patent/CN207703928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646663A (en) * | 2019-10-28 | 2020-01-03 | 江苏靖江互感器股份有限公司 | Primary and secondary depth fusion combined sensor for vacuum circuit breaker |
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