CN204481696U - A kind of power supply circuits of power collection systems - Google Patents
A kind of power supply circuits of power collection systems Download PDFInfo
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- CN204481696U CN204481696U CN201520207883.3U CN201520207883U CN204481696U CN 204481696 U CN204481696 U CN 204481696U CN 201520207883 U CN201520207883 U CN 201520207883U CN 204481696 U CN204481696 U CN 204481696U
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 32
- 230000006837 decompression Effects 0.000 claims abstract description 23
- 230000009466 transformation Effects 0.000 claims abstract description 18
- 230000001131 transforming effect Effects 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model provides a kind of power supply circuits of power collection systems, comprising: transforming circuit, rectification circuit, decompression converting circuit and voltage stabilizing circuit; Wherein, described transforming circuit receives ac voltage signal from voltage transformer side joint, and carries out transformation to described ac voltage signal and form AC transformation signal and be sent to described rectification circuit input end; The described AC transformation signal rectification received is d. c. voltage signal by described rectification circuit, and is sent to described decompression converting circuit input; The described d. c. voltage signal step-down received is formed buck signal by described decompression converting circuit, and is sent to described voltage stabilizing circuit; Described buck signal is carried out voltage stabilizing by described voltage stabilizing circuit, and is exported by the first feeder ear; Thus provide required electric power for distinct device in power collection systems.
Description
Technical field
The utility model relates to power domain, is specifically related to a kind of power supply circuits.
Background technology
Power collection systems is the system gathering the power information of power consumer, process and monitor in real time, realizes the functions such as the automatic collection of power information, metering exception monitoring, electric energy quality monitoring, electrical energy consumption analysis and management, relevant information are issued, distributed energy is monitored, the information interaction of intelligent power equipment.
The power supply that each equipment in power collection systems and system needs is different, such as: the operating voltage that the collector in power collection systems needs is 3.3V, also has the equipment needing 5V.
How a kind of power supply circuits are provided, the electricity needs of distinct device in power collection systems can be used, the technical problem becoming urgently and solve.
Utility model content
The utility model provides a kind of power supply circuits of power collection systems, to solve in prior art as distinct device in power collection systems provides the problem of electricity needs.
The utility model provides a kind of power supply circuits of power collection systems, comprising: transforming circuit, rectification circuit, decompression converting circuit and voltage stabilizing circuit; Wherein, described transforming circuit receives ac voltage signal from voltage transformer side joint, and carries out transformation to described ac voltage signal and form AC transformation signal and be sent to described rectification circuit input end; The described AC transformation signal rectification received is d. c. voltage signal by described rectification circuit, and is sent to described decompression converting circuit input; The described d. c. voltage signal step-down received is formed buck signal by described decompression converting circuit, and is sent to described voltage stabilizing circuit; Described buck signal is carried out voltage stabilizing by described voltage stabilizing circuit, and is exported by the first feeder ear.
Preferably, described transforming circuit comprises: the first transformer; The voltage signal of this first transformer receiver voltage instrument transformer side, and export described rectification circuit to and process.
Preferably, described transforming circuit also comprises when receiving three-phase voltage signal: the second transformer and the 3rd transformer, the respectively voltage signal of receiver voltage instrument transformer side, and the AC transformation signal after transformation is exported to respectively process with the described rectification circuit be connected separately.
Preferably, described rectification circuit comprises: rectifier bridge and the first electric capacity; The positive terminal of described rectifier bridge is connected with the positive pole of described first electric capacity, and the negative pole end of described rectifier bridge is connected with the negative pole of described first electric capacity.
Preferably, described rectifier bridge is DB1075 chip, and described first electric capacity is electrochemical capacitor.
Preferably, described decompression converting circuit comprises: the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, inductance, transducer, diode; Wherein, described second electric capacity and described first Capacitance parallel connection, and the positive pole of the second electric capacity is connected with described switch input, the negative pole of described second electric capacity is connected with the earth terminal of described transducer; Described first resistance and the second resistant series, and be parallel between described second electric capacity and transducer; Between the negative pole end that described 3rd electric capacity is connected to described diode and converter output end; The positive terminal of described diode is connected with described transducer earth terminal; The positive terminal of described inductance is connected with the output of described transducer, and negative pole end is connected with the input of described voltage stabilizing circuit; Described 3rd resistance and the 4th resistance are connected mutually, and are parallel between described voltage stabilizing circuit input and transducer earth terminal, and described converter output end is connected between described 3rd resistance negative pole end and the 4th resistance positive terminal; Described 4th Capacitance parallel connection is between the 3rd resistance positive terminal and the 4th resistance negative pole end; Described 5th electric capacity and described 4th Capacitance parallel connection between described voltage stabilizing circuit input and ground are held.
Preferably, the second feeder ear, is arranged between described 5th capacitance cathode end and described voltage stabilizing circuit input.
Preferably, described transducer is MP2359 chip, and described 4th electric capacity is electrochemical capacitor.
Preferably, described voltage stabilizing circuit comprises: pressurizer and the 6th electric capacity; Wherein, the input of described pressurizer is connected with the output of described decompression converting circuit, and the output of pressurizer is connected with the positive terminal of described 6th electric capacity, and the negative pole end of described 6th electric capacity is connected with the earth terminal of described pressurizer; Described first feeder ear is arranged between described output end of voltage stabilizer and the 6th capacitance cathode end.
Preferably, described pressurizer is 1117-3.3 chip, and the 6th electric capacity is electrochemical capacitor.
The power supply circuits of the power collection systems that the utility model provides, it is by obtaining ac voltage signal in PT side, by this ac voltage signal through transformation and rectification, ac voltage signal is exported for d. c. voltage signal, this d. c. voltage signal is exported 5V voltage signal after step-down process, this 5V voltage signal exports 3.3V voltage signal after voltage stabilizing process, therefore, these power supply circuits can produce two kinds of supply power voltages, and the equipment being respectively the required electric power source in electric power system provides electric power support.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the power supply circuit construction block diagram of a kind of power collection systems that the utility model provides;
Fig. 2 is the circuit diagram of power supply circuits first execution mode of a kind of power collection systems that the utility model provides.
Embodiment
Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
Please refer to shown in Fig. 1, the power supply circuit construction block diagram of a kind of power collection systems that Fig. 1 is to provide.These power supply circuits comprise: transforming circuit 100, rectification circuit 200, decompression converting circuit 300 and voltage stabilizing circuit 400; Wherein, described transforming circuit 100 receives ac voltage signal from voltage transformer side joint, and carries out transformation to described ac voltage signal and form AC transformation signal and be sent to described rectification circuit 200 input; The described AC transformation signal rectification received is d. c. voltage signal by described rectification circuit 200, and is sent to described decompression converting circuit 300 input; The described d. c. voltage signal step-down received is formed buck signal by described decompression converting circuit 300, and is sent to described voltage stabilizing circuit 400; Described buck signal is carried out voltage stabilizing by described voltage stabilizing circuit 400, and is exported by the first feeder ear.These power supply circuits are by obtaining ac voltage signal in PT (voltage transformer) side, the alternating voltage got is changed the direct voltage of 12V into by transforming circuit 100 and rectification circuit 200,5V is converted to again through decompression converting circuit 300, becoming 3.3V voltage to export 5V voltage transitions through voltage stabilizing circuit 400 again, is the power supply needing 3.3V circuit to provide.In addition, in decompression converting circuit 300, can also output be set, the 5V voltage after conversion be exported, needs the electric power of 5V voltage to provide power supply altogether.
Composition graphs 1, shown in figure 2, Fig. 2 is the circuit diagram of power supply circuits first execution mode of a kind of power collection systems that the utility model provides.In this embodiment, three-phase alternating current is adopted to be described.Be understandable that, these power supply circuits also can be applied to and adopt in one-way circuit.
The power supply circuits that the utility model provides, described transforming circuit 100 comprises: the first transformer T1, the second transformer T2 and the 3rd transformer T3; These three transformers obtain the voltage signal three-phase line from voltage transformer (PT) side respectively, and export described rectification circuit 200 to; Described three-phase line is respectively ina, inb and inc.Described rectification circuit 200 comprises: rectifier bridge and the first electric capacity; Correspondence is arranged on three-phase line, and wherein rectifier bridge comprises the rectifier bridge D1 be positioned on described ina circuit, the rectifier bridge D3 being positioned at the rectifier bridge D2 on described inb circuit and being positioned on described inc circuit; The annexation of transforming circuit 100 and rectification circuit 200 is described for described ina circuit, the positive terminal of described rectifier bridge D1 is connected with the positive pole of described first electric capacity C3, the negative pole end of described rectifier bridge D1 is connected with the negative pole of described first electric capacity C3, the voltage signal obtained from voltage transformer side changes 12V voltage into by transformer, this 12V voltage signal is after rectifier bridge D1 and the first electric capacity C3, export the direct voltage for 12V, described rectifier bridge D1-D3 can adopt DB1075 chip, this chip the 3rd, 4 pins are input, 1,2 pins are output.Described first electric capacity C3 is electrochemical capacitor, and its positive terminal is connected with the 2nd pin of described chip, and negative pole end is connected with the 1st pin of described chip.1st pin of rectifier bridge D2 output is connected with the 1st pin of rectifier bridge D1 output, and the 2nd pin of rectifier bridge D2 output is connected with the 2nd pin of rectifier bridge D1 output; 1st pin of rectifier bridge D3 output and the 1st of rectifier bridge D1 output the, 2 pins are connected, and the 2nd pin of rectifier bridge D3 output is connected with the 2nd pin of described rectifier bridge D1 output; Be positioned on described inc circuit between the 1st and the 2nd pin that described first electric capacity C3 is connected to described rectifier bridge D1.
Described decompression converting circuit 300 comprises: the second electric capacity C5, the 3rd electric capacity C1, the 4th electric capacity C6, the 5th electric capacity C7, the first resistance R41, the second resistance R42, the 3rd resistance R1, the 4th resistance R4, inductance L 1, transducer, diode; Wherein, described second electric capacity C5 is in parallel with described first electric capacity C3, and the positive pole of the second electric capacity C5 is connected with described switch input the 5th pin, the negative pole of described second electric capacity C5 is connected with the 2nd pin of described switch input, and the 2nd pin is earth terminal GND; Described first resistance R41 and the second resistance R42 connects, the positive terminal of described first resistance R41 is connected with the 5th pin of described switch input, and the negative pole end of described second resistance R42 is connected between described transducer the 2nd pin earth terminal and described second electric capacity C5 negative pole end; The positive terminal of described 3rd electric capacity C1 is connected with described transducer the 1st pin, and be connected diode at the negative pole end of described 3rd electric capacity C1 with between described transducer earth terminal, the positive terminal of described diode is connected with described transducer earth terminal; 6th pin of described converter output end is connected with described inductance L 1, and the output of inductance L 1 is connected with voltage stabilizing circuit 400 input; Described 3rd resistance R1 and the 4th resistance R4 is series between the output of described inductance L 1 and described diode cathode end; The negative pole end of the 4th electric capacity C6 parallel connection and described inductance L 1 output and the 4th resistance R4, the positive terminal of described 3rd resistance R1 and described 4th electric capacity C6 is common port; Described 5th electric capacity C7 is in parallel with described 4th electric capacity C6; Arrange the second feeder ear Vcc2 at the positive terminal of described 5th electric capacity C7, this second feeder ear Vcc2 can export 5V voltage.
Described transducer can adopt MP2359 chip, and described 4th electric capacity C6 is electrochemical capacitor.
Described voltage stabilizing circuit 400 comprises: pressurizer and the 6th electric capacity; Wherein, the input of described pressurizer receives the voltage signal of described decompression converting circuit 300 output, specifically can adopt and is connected with the inductance L output of described decompression converting circuit 300 by the 3rd pin of described pressurizer 1117-3-3 chip input; Be connected with the negative pole end of the 5th electric capacity at the 2nd pin of described pressurizer 1117-3-3 chip output, and pressurizer 1117-3-3 chip the 1st pin (earth terminal) is connected between described 5th electric capacity negative pole end and the 2nd pin of this chip, and being connected with the 6th electric capacity C4 thereon, the positive terminal of the 6th electric capacity C4 is connected with described pressurizer 1117-3-3 chip the 2nd pin; 4th pin of pressurizer 1117-3-3 chip output is connected with described 2nd pin, and on its common port, arrange the first feeder ear Vcc1, and this first feeder ear Vcc1 can export 3.3V voltage.
Above the structure of the power supply circuits of a kind of power collection systems that the utility model provides is described, below in conjunction with power supply circuit construction, the operation principle of these power supply circuits is described.The utility model provides power supply circuits can provide electricity needs for each equipment in power collection systems, such as: these power supply circuits may be used for when voltage transformer side by wired signal transmission to the electric energy meter in control room time, be required transmitting device realize power supply.
The power supply circuits of the power collection systems that the utility model provides, by the three-phase alternating voltage signal of transforming circuit 100 by the PT side of acquisition, that is: ina, inb and inc transformation is the voltage signal of 12V, the voltage signal of this 12V through rectifier rectification be the direct voltage of 12V, and input in described decompression converting circuit 300, the direct voltage step-down of 12V is 5V by decompression converting circuit 300, this 5V voltage can be exported by the second feeder ear Vcc2, 5V voltage signal can also input to voltage stabilizing circuit 400 simultaneously, voltage stabilizing circuit 400 by this 5V voltage signal pressure regulation to 3.3V, and this 3.3V voltage signal is exported by the first feeder ear Vcc1.In power collection systems, pass through the output voltage of these power supply circuits according to the demand of equipment, obtain electric power support.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection range of the present utility model should define with the utility model claim is as the criterion.
Claims (10)
1. power supply circuits for power collection systems, is characterized in that, comprising: transforming circuit, rectification circuit, decompression converting circuit and voltage stabilizing circuit; Wherein, described transforming circuit receives ac voltage signal from voltage transformer side joint, and carries out transformation to described ac voltage signal and form AC transformation signal and be sent to described rectification circuit input end; The described AC transformation signal rectification received is d. c. voltage signal by described rectification circuit, and is sent to described decompression converting circuit input; The described d. c. voltage signal step-down received is formed buck signal by described decompression converting circuit, and is sent to described voltage stabilizing circuit; Described buck signal is carried out voltage stabilizing by described voltage stabilizing circuit, and is exported by the first feeder ear.
2. the power supply circuits of power collection systems according to claim 1, is characterized in that, described transforming circuit comprises: the first transformer; The voltage signal of this first transformer receiver voltage instrument transformer side, and export described rectification circuit to and process.
3. the power supply circuits of power collection systems according to claim 2, it is characterized in that, described transforming circuit also comprises when receiving three-phase voltage signal: the second transformer and the 3rd transformer, the respectively voltage signal of receiver voltage instrument transformer side, and the AC transformation signal after transformation is exported to respectively process with the described rectification circuit be connected separately.
4. the power supply circuits of power collection systems according to claim 1, is characterized in that, described rectification circuit comprises: rectifier bridge and the first electric capacity; The positive terminal of described rectifier bridge is connected with the positive pole of described first electric capacity, and the negative pole end of described rectifier bridge is connected with the negative pole of described first electric capacity.
5. the power supply circuits of power collection systems according to claim 4, is characterized in that: described rectifier bridge is DB1075 chip, and described first electric capacity is electrochemical capacitor.
6. the power supply circuits of power collection systems according to claim 1, it is characterized in that, described decompression converting circuit comprises: the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, inductance, transducer, diode; Wherein, described second electric capacity and described first Capacitance parallel connection, and the positive pole of the second electric capacity is connected with described switch input, the negative pole of described second electric capacity is connected with the earth terminal of described transducer; Described first resistance and the second resistant series, and be parallel between described second electric capacity and transducer; Between the negative pole end that described 3rd electric capacity is connected to described diode and converter output end; The positive terminal of described diode is connected with described transducer earth terminal; The positive terminal of described inductance is connected with the output of described transducer, and negative pole end is connected with the input of described voltage stabilizing circuit; Described 3rd resistance and the 4th resistance are connected mutually, and are parallel between described voltage stabilizing circuit input and transducer earth terminal, and described converter output end is connected between described 3rd resistance negative pole end and the 4th resistance positive terminal; Described 4th Capacitance parallel connection is between the 3rd resistance positive terminal and the 4th resistance negative pole end; Described 5th electric capacity and described 4th Capacitance parallel connection between described voltage stabilizing circuit input and ground are held.
7. the power supply circuits of power collection systems according to claim 6, is characterized in that, comprising: the second feeder ear, are arranged between described 5th capacitance cathode end and described voltage stabilizing circuit input.
8. the power supply circuits of power collection systems according to claim 6, is characterized in that: described transducer is MP2359 chip, and described 4th electric capacity is electrochemical capacitor.
9. the power supply circuits of power collection systems according to claim 1, is characterized in that, described voltage stabilizing circuit comprises: pressurizer and the 6th electric capacity; Wherein, the input of described pressurizer is connected with the output of described decompression converting circuit, and the output of pressurizer is connected with the positive terminal of described 6th electric capacity, and the negative pole end of described 6th electric capacity is connected with the earth terminal of described pressurizer; Described first feeder ear is arranged between described output end of voltage stabilizer and the 6th capacitance cathode end.
10. the power supply circuits of power collection systems according to claim 9, is characterized in that: described pressurizer is 1117-3.3 chip, and the 6th electric capacity is electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207883.3U CN204481696U (en) | 2015-04-08 | 2015-04-08 | A kind of power supply circuits of power collection systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207883.3U CN204481696U (en) | 2015-04-08 | 2015-04-08 | A kind of power supply circuits of power collection systems |
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| CN204481696U true CN204481696U (en) | 2015-07-15 |
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| CN201520207883.3U Expired - Fee Related CN204481696U (en) | 2015-04-08 | 2015-04-08 | A kind of power supply circuits of power collection systems |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580086A (en) * | 2015-10-14 | 2017-04-26 | 广东美的生活电器制造有限公司 | Intelligent soybean milk making machine |
| CN106878864A (en) * | 2017-03-03 | 2017-06-20 | 广东欧珀移动通信有限公司 | Power circuit and audio frequency apparatus |
-
2015
- 2015-04-08 CN CN201520207883.3U patent/CN204481696U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580086A (en) * | 2015-10-14 | 2017-04-26 | 广东美的生活电器制造有限公司 | Intelligent soybean milk making machine |
| CN106878864A (en) * | 2017-03-03 | 2017-06-20 | 广东欧珀移动通信有限公司 | Power circuit and audio frequency apparatus |
| CN106878864B (en) * | 2017-03-03 | 2020-07-10 | Oppo广东移动通信有限公司 | Power supply circuit and audio device |
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Effective date of registration: 20160926 Address after: 100176, Beijing Yizhuang Daxing District Economic Development Zone, No. 16, Zhonghe street, Zhonghe science and Technology Park, building 5 Patentee after: QIANJIANG (BEIJING) INFORMATION TECHNOLOGY CO.,LTD. Address before: 100176 Beijing Yizhuang Daxing District economic development zone and 16 Zhonghe street, Zhonghe science and Technology Park, building 5 Patentee before: Yijiang (Beijing) Technology Development Co.,Ltd. |
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Granted publication date: 20150715 |