CN207868800U - Electric power system - Google Patents
Electric power system Download PDFInfo
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- CN207868800U CN207868800U CN201721554902.5U CN201721554902U CN207868800U CN 207868800 U CN207868800 U CN 207868800U CN 201721554902 U CN201721554902 U CN 201721554902U CN 207868800 U CN207868800 U CN 207868800U
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- power supply
- frequency device
- limit frequency
- power
- electrical equipment
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- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The present disclosure is directed to a power system, which at least solves the problem in the related art that a power consumption device may generate interference to a power line carrier module. The disclosed power system comprises a power supply, a power utilization device and a frequency limiter; the frequency limiter is arranged between the electric equipment and the power supply, wherein the electric equipment and the frequency limiter as well as the frequency limiter and the power supply are connected through power lines; each power supply branch of the system is connected with a power supply main circuit or other power supply branches through a frequency limiter; the system further comprises: the controller is connected with the frequency limiter arranged on each power supply branch; the frequency limiter comprises: the input end of the communication module is connected with the controller, the output end of the communication module is connected with the main control module, and the output end of the main control module is connected with the filter. The method and the device avoid the interference of one side of the electric equipment to the power line carrier module, and ensure the communication quality of the power line carrier.
Description
Technical field
The utility model is related to technical fields, in particular to a kind of electric system.
Background technology
Although power line carrier technology exists for a long time, it is never widely applied at home.It is basic former
Because being that the power switch frequency of electricity consumption side electrical equipment does not have unified specification, however in the practical application of power line,
It generally requires to access a variety of electrical equipments, and Fig. 1 shows the relationship of conventional electricity consumption side and power line, arrow shown in Fig. 1
Head line is power line, and the power consumption after electricity consumption side as shown in Figure 1 is depressured there are the equipment of high pressure power consumption and by unsteady flow is set
It is standby, since influence of the various equipment to power supply is different, the case where there are frequency interferences for the power line of each level.In this feelings
Under condition, power line is after accessing a variety of electrical equipments so that there are more interference for power line carrier, seriously affect power line load
The communication quality of wave.
Utility model content
The disclosure is intended to provide a kind of electric system, can be to power line carrier at least to solve electrical equipment in the related technology
Module leads to the problem of interference.
According to the one side of the application, a kind of electric system is provided, including:Power supply, electrical equipment and limit frequency device;
The limit frequency device is set between the electrical equipment and the power supply, wherein between the electrical equipment and the limit frequency device,
And it is connected by power line between the limit frequency device and the power supply;Each power supply branch of the system is by limiting frequency device and supplying
Electric main road or other power supply branches are connected.The system also includes:Controller, the controller are propped up with each power supply is set to
The limit frequency device on road is connected.The limit frequency device includes:Main control module, filter and communication module, the input of the communication module
End is connected with the controller, and the output end of the communication module is connected with the main control module, the output of the main control module
End is connected with the filter.
Optionally, the electrical equipment is set to the end of the power supply branch of the electric system, and the electrical equipment is logical
Limit frequency device is crossed with the current input terminal of the power supply branch to be connected.
Optionally, the power supply branch is connected by another limit frequency device with power supply main road or other power supply branches.
Optionally, the system also includes:Current transformer, the input terminal of the current transformer is by limiting frequency device and the power train
System power supply branch current input terminal be connected, the output end of the current transformer is connected with another limit frequency device, another limit frequency device and
The electrical equipment or other power supply branches are connected.
Optionally, the limit frequency device is set between the power supply main road of the electric system and the power supply.
Optionally, the limit frequency device is set in the electrical equipment.
Optionally, institute's system further includes power line carrier module, and the limit frequency device is set to the power line carrier module
In.
The frequency that electrical equipment side exports is controlled by limiting frequency device, is made by scheme provided by the embodiments of the present application
The frequency of electrical equipment output is limited in frequency in a certain range or specified, avoids electrical equipment side and is carried to power line
The interference that wave module generates, has ensured the communication quality of power line carrier.
Description of the drawings
Fig. 1 is the schematic diagram of electric system in the related technology;
Fig. 2 is the schematic diagram of the limit frequency device of the embodiment of the present application 1;
Fig. 3 is the block diagram of the electric system of the embodiment of the present application 2.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent device and method of some aspects be described in detail in the appended claims, the utility model.
Embodiment 1
A kind of electric system is present embodiments provided, which includes:Power supply, electrical equipment and limit frequency device;Its
In, limit frequency device is set between electrical equipment and power supply, is led between electrical equipment and limit frequency device and between limit frequency device and power supply
Cross power line connection.
The electric system of the present embodiment may include multiple electrical equipments, at least be arranged between each electrical equipment and power supply
There are one limit frequency device.
In the present embodiment, limit frequency device acts not only as a self-existent device, can also be built in electricity consumption
In equipment, become one with electrical equipment, alternatively, in another case, the electric system of the present embodiment further includes electric power
Line carrier module, then limiting frequency device can be set in power line carrier module, a composition portion as power line carrier module
Point.
Optionally, in the present embodiment, each power supply branch of electric system is by limiting frequency device and power supply main road or other confessions
Electric branch is connected.
Optionally, the power supply system of the present embodiment can also include:Controller, the controller and is set to each power supply branch
Limit frequency device be connected, for controlling each limit frequency device progress frequency limit, so that each limit frequency device in electric system will be on power line
Frequency characteristic be limited in a specified frequency range, or be limited in single frequency, to avoid to power line carrier
Module generates interference.
Limit frequency device in the present embodiment can shield the frequency to busbar generated from electricity consumption side (namely electrical equipment side)
Rate is interfered, and ensures the signal output (FM signal of Source Music) of single-frequency or specified frequency range, wherein limit frequency device
The rate-adaptive pacemaker of limitation can be by limiting frequency element circuit, such as filter circuit be realized, can by corresponding limit frequency resistance into
Row is adjusted, or by way of communication, is controlled limit frequency element circuit by main control module.Fig. 2 shows according to this Shen
Please an illustrative limit frequency device block diagram, as shown in Fig. 2, the limit frequency device includes:Main control module, filter and communication module,
Wherein, the input terminal of communication module is connected with controller, and the output end of communication module is connected with main control module, main control module it is defeated
Outlet is connected with filter, and communication module gets frequency limit instruction from control module, which is sent to master control mould
Block, main control module control coupled each limit frequency module according to the target frequency bands or target frequency point indicated in the instruction
System.
The present embodiment by limit frequency device limit electrical equipment output frequency, to avoid electrical equipment output frequency to electricity
Line of force carrier module generates interference, can ensure before power line carrier communication is not used, the frequency characteristic on power line is limiting
In fixed frequency range or it is single frequency, to provide good communication environment for power line, and then can makes electric power
Line carrier technology can be suitable for various occasions.
Embodiment 2
A kind of electric system is present embodiments provided, which may include that the electric system in above-described embodiment 1 is wrapped
Each component part included, on this basis, the electric system of the present embodiment can further include other components.Fig. 3
It is the block diagram of the electric system of the present embodiment.The electric system of the present embodiment is illustrated below in conjunction with Fig. 3.
As shown in figure 3, electrical equipment be set to electric system power supply branch end, electrical equipment by limit frequency device with
The current input terminal of power supply branch is connected.
The feelings that power supply branch is connected by another limit frequency device with power main road or other power supply branches are also shown in Fig. 3
Condition.
The electric system of the present embodiment can further include:Current transformer, the input terminal of the current transformer is by limiting frequency device
It is connected with the current input terminal of the power supply branch of electric system, the output end of current transformer is connected with another limit frequency device, optionally, separately
One limit frequency device is connected with electrical equipment, and as shown in Figure 3, another limit frequency device is connected with two power supply branches, this two power supply branch
A limit frequency device is respectively connected in road, end connects lamp and controller, alternatively, another limit frequency device can also be with electrical equipment phase
Even (situation that another limit frequency device is connected with other power supply branches is only shown in Fig. 3, another limit frequency device is temporarily not shown and is set with electricity consumption
Standby the case where being connected directly).
As shown in figure 3, the power supply system of the present embodiment can further include a limit frequency device, which is set to electricity
Between the power supply main road and power supply of Force system, the interference for shielded power supply introducing.
It should be noted that power line involved in the present embodiment is not limited in the power line of 220V and 24V, it can
To be suitable for the arbitrary alternating current line of force and DC power line.
The frequency that electrical equipment side exports is controlled by limiting frequency device, is avoided by scheme provided in this embodiment
The frequency of electrical equipment output generates interference to power line carrier module, has ensured the communication quality of power line carrier.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein
Novel other embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these
Variations, uses, or adaptations follow the general principle of the utility model and include this skill that the utility model is not invented
Common knowledge in art field or conventional techniques.The description and examples are only to be considered as illustrative, and of the invention is real
Scope and spirit are indicated by the following claims.
It should be understood that the invention is not limited in the precision architectures for being described above and being shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (7)
1. a kind of electric system, which is characterized in that including:
Power supply, electrical equipment and limit frequency device;
The limit frequency device is set between the electrical equipment and the power supply, wherein the electrical equipment and the limit frequency device
Between and the limit frequency device and the power supply between connected by power line;
Each power supply branch of the system is connected by limiting frequency device with power supply main road or other power supply branches;
The system also includes:
Controller, the controller are connected with the limit frequency device for being set to each power supply branch;
The limit frequency device includes:
Main control module, filter and communication module, the input terminal of the communication module are connected with the controller, the communication
The output end of module is connected with the main control module, and the output end of the main control module is connected with the filter.
2. system according to claim 1, which is characterized in that the electrical equipment is set to the power supply of the electric system
The end of branch, the electrical equipment are connected by limiting frequency device with the current input terminal of the power supply branch.
3. system according to claim 2, which is characterized in that the power supply branch by limit frequency device with power supply main road or its
He power branch be connected.
4. system according to claim 1, which is characterized in that the system also includes:
Current transformer, the input terminal of the current transformer pass through the current input terminal phase of limit frequency device and the branch of powering of the electric system
Even, the output end of the current transformer is connected with another limit frequency device, another limit frequency device and the electrical equipment or other power supply branches
It is connected.
5. system according to claim 1, which is characterized in that the limit frequency device is set to the power supply master of the electric system
Between road and the power supply.
6. system according to claim 1, which is characterized in that the limit frequency device is set in the electrical equipment.
7. system according to claim 1, which is characterized in that institute's system further includes power line carrier module, the limit frequency
Device is set in the power line carrier module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721554902.5U CN207868800U (en) | 2017-11-20 | 2017-11-20 | Electric power system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721554902.5U CN207868800U (en) | 2017-11-20 | 2017-11-20 | Electric power system |
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Publication Number | Publication Date |
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CN207868800U true CN207868800U (en) | 2018-09-14 |
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CN201721554902.5U Active CN207868800U (en) | 2017-11-20 | 2017-11-20 | Electric power system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107742895A (en) * | 2017-11-20 | 2018-02-27 | 珠海格力电器股份有限公司 | Electric power system |
-
2017
- 2017-11-20 CN CN201721554902.5U patent/CN207868800U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107742895A (en) * | 2017-11-20 | 2018-02-27 | 珠海格力电器股份有限公司 | Electric power system |
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