CN205029664U - Non - homophase electric carrier system of alternating current circuit - Google Patents
Non - homophase electric carrier system of alternating current circuit Download PDFInfo
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- CN205029664U CN205029664U CN201520666665.6U CN201520666665U CN205029664U CN 205029664 U CN205029664 U CN 205029664U CN 201520666665 U CN201520666665 U CN 201520666665U CN 205029664 U CN205029664 U CN 205029664U
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- alternating current
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Abstract
The utility model provides a non - homophase electric carrier system of alternating current circuit, relates to the communication technology field, and that solve is the technical problem who realizes power line carrier between non - homophase power line. This system includes the three -phase AC circuit, the three -phase AC circuit is equipped with the data coupling unit at least in two isopic phase lines of non -, every data coupling unit all includes and is used for arriving line side transformer, line side coupling capacitance on the looks line with electric power carrier wave communication data coupling, wherein, it has just connect the space coupling capacitance to be equipped with the data coupling unit between the isopic phase line of non -. The system provided by the utility model, be applicable to the electric power carrier wave communication of alternating current circuit.
Description
Technical field
The utility model relates to the communication technology, particularly relates to a kind of technology of non-phase power carrier system of alternating current circuit.
Background technology
Power carrier communication has obtained commonplace application at low-voltage alternating-current electrical network.Power carrier mode in low-voltage alternating-current electrical network as shown in Figure 2, AC in Fig. 2 is alternating-current voltage source, Ls21, Ls22 are equivalent reactance, the data of power carrier communication are coupled on power line at mains side by transformer T21 and electric capacity C21, are then coupled on power line by transformer T22 and electric capacity C22 in load U21 side.
But, apply in the circuit that power carrier communication all directly can only be communicated with at power line at present, at three-phase AC line not between homophase, just cannot use power carrier communication scheme.
Utility model content
For the defect existed in above-mentioned prior art, technical problem to be solved in the utility model be to provide a kind of can in the non-phase power carrier system not realizing the alternating current circuit of power carrier communication between homophase of three-phase AC line.
In order to solve the problems of the technologies described above, the non-phase power carrier system of a kind of alternating current circuit provided by the utility model, comprises three-phase AC line; Described three-phase AC line is at least equipped with data coupling unit in the phase line of two non-homophases, each data coupling unit all include for by power carrier communication data coupling to the line side transformer in phase line, line side coupling capacitance; Wherein, data coupling unit is being housed and is being connected to coupling capacitance between line between the phase line of non-homophase.
The non-phase power carrier system of the alternating current circuit that the utility model provides, electric capacity is utilized to lead to high frequency and the characteristic of resistance low frequency, by coupling capacitance between line by mutually isolated for power frequency power between phase and phase, and power carrier communication data can transmitted between phase and phase, thus the power carrier communication that can realize between phase and phase, greatly widen the range of application of power carrier.
Accompanying drawing explanation
Fig. 1 is the non-phase power carrier system of the alternating current circuit of the utility model embodiment;
Fig. 2 is the power carrier communication schematic diagram of low-voltage alternating-current electrical network.
Embodiment
Illustrate below in conjunction with accompanying drawing and embodiment of the present utility model is described in further detail; but the present embodiment is not limited to the utility model; every employing analog structure of the present utility model and similar change thereof; protection range of the present utility model all should be listed in, the pause mark in the utility model all represent and relation.
As shown in Figure 1, the non-phase power carrier system of a kind of alternating current circuit that the utility model embodiment provides, comprises three-phase AC line; Described three-phase AC line is equipped with data coupling unit in each phase line;
Data coupling unit in A phase phase line has two, mains side data coupling unit wherein include for by power carrier communication data coupling to A phase line side transformer Ta1, A phase line side coupling capacitance Ca1 in A phase phase line, the data coupling unit of load Ua side include for by power carrier communication data coupling to A phase line side transformer Ta2, A phase line side coupling capacitance Ca2 in A phase phase line;
Data coupling unit in B phase phase line has two, mains side data coupling unit wherein include for by power carrier communication data coupling to B phase line side transformer Tb1, B phase line side coupling capacitance Cb1 in B phase phase line, the data coupling unit of load Ub side include for by power carrier communication data coupling to B phase line side transformer Tb2, B phase line side coupling capacitance Cb2 in B phase phase line;
Data coupling unit in C phase phase line has two, mains side data coupling unit wherein include for by power carrier communication data coupling to C phase line side transformer Tc1, C phase line side coupling capacitance Cc1 in C phase phase line, the data coupling unit of load Uc side include for by power carrier communication data coupling to C phase line side transformer Tc2, C phase line side coupling capacitance Cc2 in C phase phase line;
Wherein, data coupling unit is being housed and is being connected to coupling capacitance between line between the phase line of non-homophase; Wherein, be connected between A phase phase line with B phase phase line to be connected between coupling capacitance Cab, B phase phase line with C phase phase line between line between line and be connected to coupling capacitance Cca between line between coupling capacitance Cbc, C phase phase line with A phase phase line.
The operation principle of the utility model embodiment is as follows:
Three-phase AC line has a common zero line N, power carrier communication can be carried out according to the existing coupled modes shown in Fig. 2 completely in each phase inside, characteristic due to electric capacity is logical high frequency, resistance low frequency, like this between phase and phase, high-frequency carrier signal through coupling capacitance between line, thus can realize power carrier communication between phase and phase, and power frequency power is between phase and phase then mutually isolated by coupling capacitance between line.
In other embodiment of the utility model, also only in the phase line needing to carry out power carrier communication, data coupling unit can be housed, also only coupling capacitance between line can be connected between the non-homophase phase line needing to carry out power carrier communication, such as only need to carry out power carrier communication between A phase phase line with B phase phase line, only in A phase phase line, B phase phase line, data coupling unit can be housed, and be connected to coupling capacitance between line between A phase phase line, B phase phase line.
Claims (1)
1. a non-phase power carrier system for alternating current circuit, comprises three-phase AC line; Described three-phase AC line is at least equipped with data coupling unit in the phase line of two non-homophases, each data coupling unit all include for by power carrier communication data coupling to the line side transformer in phase line, line side coupling capacitance; It is characterized in that: data coupling unit is being housed and is being connected to coupling capacitance between line between the phase line of non-homophase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666665.6U CN205029664U (en) | 2015-08-31 | 2015-08-31 | Non - homophase electric carrier system of alternating current circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666665.6U CN205029664U (en) | 2015-08-31 | 2015-08-31 | Non - homophase electric carrier system of alternating current circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205029664U true CN205029664U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520666665.6U Active CN205029664U (en) | 2015-08-31 | 2015-08-31 | Non - homophase electric carrier system of alternating current circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN205029664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049086A (en) * | 2015-08-31 | 2015-11-11 | 上海泓语电气技术有限公司 | Out-of-phase power line carrier system for alternating-current transmission line |
-
2015
- 2015-08-31 CN CN201520666665.6U patent/CN205029664U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049086A (en) * | 2015-08-31 | 2015-11-11 | 上海泓语电气技术有限公司 | Out-of-phase power line carrier system for alternating-current transmission line |
| CN105049086B (en) * | 2015-08-31 | 2018-01-09 | 山东中大电源科技有限公司 | The non-phase power carrier system of alternating current circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: 261021 No. 2, Central Road, comprehensive bonded area, Shandong, Weifang Patentee after: Shandong Zhongda Power Technology Co., Ltd. Address before: 200331 room 1, building 339, No. 1035, Lane 1203, Qilian Road, Putuo District, Shanghai Patentee before: SHANGHAI HONGYU ELECTRIC TECHNOLOGY CO., LTD. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANGHAI HONGYU ELECTRIC TECHNOLOGY CO., LTD. Assignor: Shandong Zhongda Power Technology Co., Ltd. Contract record no.: 2017370000060 Denomination of utility model: Out-of-phase power line carrier system for alternating-current transmission line Granted publication date: 20160210 License type: Common License Record date: 20170930 |