CN101801127B - Public lighting circuit and public lighting electricity distributor - Google Patents
Public lighting circuit and public lighting electricity distributor Download PDFInfo
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- CN101801127B CN101801127B CN201010019221A CN201010019221A CN101801127B CN 101801127 B CN101801127 B CN 101801127B CN 201010019221 A CN201010019221 A CN 201010019221A CN 201010019221 A CN201010019221 A CN 201010019221A CN 101801127 B CN101801127 B CN 101801127B
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Abstract
The invention relates to a public lighting circuit and a public lighting electricity distributor. The public lighting circuit comprises a plurality of groups of single-phase output ends of independently measuring electric energy from the same single-phase power supply or input terminals for connecting the lighting circuit, and a group of single-phase public lighting loads or input terminals for connecting the lighting circuit. The invention is characterized by also comprising a plurality of bridge type full-wave rectifiers with the same number with that of the groups of single-phase output ends; each group of single output end or each pole of the input terminals for connection are connected with each end of the AC input end of each bridge type full-wave rectifier by resistors with the same resistance; and each pole of the DC output end of each bridge type full-wave rectifier is connected according to identical polarity by the resistors with the same resistance and is then connected with the input ends of the loads or the output terminals for connection. The design can be used for automatically and evenly dividing electricity consumption of the lighting loads for electric energy measurement of each group of output ends. Compared with a circuit or a product in the prior art, the invention is obviously simple, practical, safe and reliable, and has lower cost.
Description
Technical field
The present invention relates to a kind of public lighting circuit and public lighting electricity distributor, International Classification of Patents belongs to H02J3/00.
Background technology
How sharing better like one type of commons electric weight of the stair of residential building illumination, is the problem that is of long duration.The relevant circuit or the product of prior art, or too simple and crude and labor management trouble, or complicacy and cost is higher too.
Summary of the invention
Technical problem to be solved by this invention is: a kind of public lighting circuit and public lighting electricity distributor are provided, and it is compared with prior art, can share the power consumption of public illumination preferably automatically, but circuit is fairly simple lower with cost.
One of technical scheme of technical solution problem of the present invention is: public lighting circuit; Comprise: from the many groups of independent single-phase outputs that measure electric energy of same single phase poaer supply; 1 group of single-phase public illumination load; It is characterized in that: also comprise a plurality of bridge full wave rectifiers that number equates with the group number of said single-phase output; Each organize single-phase output each extremely all be access to each end of the ac input end of a bridge full wave rectifier through the resistance of a similar resistance, each of the dc output end of each bridge full wave rectifier extremely all is access to the input of said load after the resistance of a same resistance value is by the identical polar connection.
Two of the technical scheme of technical solution problem of the present invention is: public lighting electricity distributor; Comprise: frame; Be installed on frame and be used to connect from the single-phase output of many groups of same single phase poaer supply independent metering electric energy respectively organize input terminal, be installed on frame and be used to connect the lead-out terminal of 1 group of single-phase public illumination load; It is characterized in that: also comprise a plurality of bridge full wave rectifiers that the number that is installed on frame equates with the group number of said single-phase output; Each of every group of said input terminal extremely all is access to each end of the ac input end of a bridge full wave rectifier through the resistance of a similar resistance, each of the dc output end of each bridge full wave rectifier extremely all is access to said lead-out terminal after the resistance of a same resistance value connects by identical polar.
The ingenious bridge full wave rectifier that utilizes of this design is from exchanging the irreversible transmission characteristic that inputs to direct current output; Make and respectively organize single-phase output all in the time of the public illumination electric; Keep electric energy isolation completely between them, make and respectively organize the unaffected each other of single-phase output from electricity consumption.Every group of single-phase output uses a bridge full wave rectifier independently; Make respectively organize circuit connect to separate clear; When installation and maintenance wiring, need not power supply phase, zero line are marked or distinguish through electrical verification, improved installation, maintenance efficient and helped safety.
The design's essence is that the parallel connection of many power supplys is supplied power to common load; Each internal resistance of source is anti-to be needed to equate to reach average power supply; Promptly requiring respectively to organize single-phase output begins to equate to the impedance of load from the branch of electric network source; Make and respectively organize single-phase output to the impartial electric current of load output, each is organized the electric energy metrical of single-phase output and has promptly automatically divided the power consumption of public illumination load equally.
Yet; Because each difference of impedance (depending on element model and quality) of contact resistance (depending on the structure, material and the technology that are connected), electric energy measurement instrument current coil impedance (depending on instrument model and quality) and bridge full wave rectifier of organizing resistance (material, length and the cross section of depending on connecting line), the interface of the connecting line of single-phase circuit of output terminal can hardly be avoided; Causing respectively organizing single-phase output begins to the difference of the impedance of load from the branch of electric network source; Be enough to influence to the impartial electric current of load output; Ingenious design each organize single-phase output each extremely all extremely all after the resistance of a same resistance value is by the identical polar connection, be access to the input of said load through each of dc output end of each end and each bridge full wave rectifier that the resistance of a similar resistance is access to the ac input end of a bridge full wave rectifier; The resistance that this equalization, symmetry increase can alleviate respectively to be organized single-phase output and begins to keep the impartial design of said impedance better to the impedance of the load sensitivity to said difference from the branch of electric network source.The resistance value of said resistance preferably is not less than 0.2 Ω.
Above-mentioned design is obviously more simple and practical and safe and reliable than the circuit or the product of prior art, and cost is lower.
Description of drawings
Fig. 1 is an embodiment of the invention Circuits System pie graph.
Embodiment
As shown in Figure 1, each draws other single-phase lead-out terminal 12,22 and 32 of independently measure of 3 families through single-phase electric energy meters 11,21 and 31 the single phase poaer supply main line of electrical network 1,2, and respectively warp one isolating switch 13,23 and 33 is sent to power circuit separately.
In order to implement the power supply that the electricity charge are shared out equally at each family to connecting by the public illumination lamp 6 of switch 5 controls, press Fig. 1 circuit production one public lighting electricity distributor, its cabinet is equipped with:
---3 tunnel single-phase input terminals 12 ', 22 ' and 32 ', during use, other independently measures with above-mentioned 3 families respectively single-phase lead-out terminal 12,22 is connected with 32;
---3 isolating switches 14,24 and 34;
--- common bus terminal 3,4;
---3 bridge full- wave rectifier elements 15,25 and 35.Each ac input end of all rectifier cells (being labeled as "～") and dc output end (being labeled as "+", "-") are the resistance (16～19 of 1 Ω through a resistance value respectively; 26～29 and 36～39) draw after, be access to isolating switch 14,24 and 34 respectively from the ac input end person; From dc output end positive pole person, all be access to common bus terminal 3; From dc output end negative pole person, all be access to common bus terminal 4.
Present embodiment is also considered following design:
---each isolating switch is visible disjunction contact structure, the safety isolation wiring of confession and external circuit and the usefulness of maintenance; But also can adopt disjunction formula binding post, can therefore exempt to adorn isolating switch by this function;
---before or after each isolating switch, suitable serial connection fuse before the common bus terminal 3,4 is as short-circuit protection;
---3,4 suitable capacitors of cross-over connection of common bus terminal, with EMC level and the protection rectifier cell that improves circuit;
---the bridge full-wave rectifier element is preferably integrated component, also can be formed by connecting diode, and preferably every brachium pontis forms by 2 diode series aiding connections, reaches the structural requirement of the desired protection impedance of Safety Design.
Said resistance value is designed to 1 Ω, be consider its place series arm resistance difference in 0.1 Ω, to control difference that the single-phase output that independently measures at each family exports electric energy in 10%.Also visual circuit conditions is suitably adjusted:
---little like bearing power, resistance value is desirable big, and electric energy is divided better off equally, but the loss power of resistance increases;
---than homogeneous, resistance value is desirable littler like circuit, but should not be less than 0.2 Ω;
---rectifier cell ac input end institute connecting resistance value can be different from dc output end institute connecting resistance value, impartial separately getting final product;
---also can the scene be adjusted to and respectively belong to the series arm total impedance and equate, reach and divide electric energy fully equally, but, still equate to be more convenient for to produce and use with each resistance as the public lighting electricity distributor product design.
Above-mentioned is the situation of other public lighting electricity distributor of 3 families.Visible by Fig. 1, this distributor has the identical circuit of 3 line structures.If amount increases, increase said circuit by quantity and get final product.
Claims (4)
1. public lighting circuit; Comprise: from the many groups of independent single-phase lead-out terminals that measure electric energy of same single phase poaer supply; 1 group of single-phase public illumination load; It is characterized in that: also comprise a plurality of bridge full wave rectifiers that number equates with the group number of said single-phase output; Each organize single-phase output each extremely all be access to each end of the ac input end of a bridge full wave rectifier through the resistance of a similar resistance, each of the dc output end of each bridge full wave rectifier extremely all is access to the input of said load after the resistance of a same resistance value is by the identical polar connection.
2. according to the said public lighting circuit of claim 1, it is characterized in that: the resistance value of said resistance is not less than 0.2 Ω.
3. public lighting electricity distributor; Comprise: frame; Be installed on frame and be used to connect from the single-phase lead-out terminal of many groups of same single phase poaer supply independent metering electric energy respectively organize input terminal, be installed on frame and be used to connect the lead-out terminal of 1 group of single-phase public illumination load; It is characterized in that: also comprise a plurality of bridge full wave rectifiers that the number that is installed on frame equates with the group number of said single-phase output; Each of every group of said input terminal extremely all is access to each end of the ac input end of bridge-type gold ripple rectifier through the resistance of a similar resistance, each of the dc output end of each bridge full wave rectifier extremely all is access to the said lead-out terminal that is used to connect 1 group of single-phase public illumination load after the resistance of a same resistance value connects by identical polar.
4. according to the said public lighting electricity distributor of claim 3, it is characterized in that: the resistance value of said resistance is not less than 0.2 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010019221A CN101801127B (en) | 2010-01-04 | 2010-01-04 | Public lighting circuit and public lighting electricity distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010019221A CN101801127B (en) | 2010-01-04 | 2010-01-04 | Public lighting circuit and public lighting electricity distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101801127A CN101801127A (en) | 2010-08-11 |
| CN101801127B true CN101801127B (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010019221A Expired - Fee Related CN101801127B (en) | 2010-01-04 | 2010-01-04 | Public lighting circuit and public lighting electricity distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101801127B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2329972Y (en) * | 1998-04-02 | 1999-07-21 | 杨亚兰 | Automatic recorder for indicating fraudulent use of electricity |
| US6448747B1 (en) * | 2000-08-23 | 2002-09-10 | Power Saver Designs, Inc. | Electricity pod controller device |
| CN101499731A (en) * | 2009-03-05 | 2009-08-05 | 吉林市天赐福科技发展有限公司 | Transforming circuit for capacitor |
-
2010
- 2010-01-04 CN CN201010019221A patent/CN101801127B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2329972Y (en) * | 1998-04-02 | 1999-07-21 | 杨亚兰 | Automatic recorder for indicating fraudulent use of electricity |
| US6448747B1 (en) * | 2000-08-23 | 2002-09-10 | Power Saver Designs, Inc. | Electricity pod controller device |
| CN101499731A (en) * | 2009-03-05 | 2009-08-05 | 吉林市天赐福科技发展有限公司 | Transforming circuit for capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101801127A (en) | 2010-08-11 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20130104 |