CN204481785U - From the Intelligent switching circuit of current transformer power taking - Google Patents
From the Intelligent switching circuit of current transformer power taking Download PDFInfo
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- CN204481785U CN204481785U CN201520193987.3U CN201520193987U CN204481785U CN 204481785 U CN204481785 U CN 204481785U CN 201520193987 U CN201520193987 U CN 201520193987U CN 204481785 U CN204481785 U CN 204481785U
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- current transformer
- switching circuit
- intelligent switching
- power taking
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Abstract
It is more reliable that the utility model provides a kind of use, the power-supply circuit that bearing power is larger.The utility model mainly utilizes elementary by current transformer or transformer of the electric current of load, at secondary generation alternating voltage, filtered for this voltage commutation direct voltage is carried out supply circuit and uses.The utility model is made up of power supply (1), conversion equipment (2), rectifier bridge (3), capacitor (4), electrical appliance (5), conversion equipment (2) arranges primary side with secondary extreme, the primary side of conversion equipment (2) connects power supply (1) and electrical appliance (5), secondary " ~ " end extremely connecting rectifier bridge (3) of conversion equipment (2), "+" pole of capacitor (4) is connected with "-" pole with "+" pole of rectifier bridge (3) respectively with "-" pole.The utility model has structure feature simple, easy to operate, with low cost, simultaneously the utility model can provide more high-power, more reliably, more stable power-supply circuit.
Description
Technical field
The utility model belongs to circuit design and application, specifically provides a kind of Intelligent switching circuit from current transformer power taking.
Background technology
The constantly progress and development of electronic technology ground, intelligent switch obtains many application.Intelligent switch conventional in current family is generally single-phase single line and arranges, and more popular saying is exactly do not arrange zero line, is all obtain power supply by control field effect transistor or silicon controlled break-make to obtain power supply.But this circuit exists many shortcomings, one of them is exactly that power can not do large by field effect transistor or silicon controlled restriction; Moreover be as strong jamming in circuit, easily damage the semiconductor device in circuit; If be exactly in addition load if any short circuit phenomenon, then can badly damaged intelligent switch.
Therefore, those skilled in the art are badly in need of a kind of circuit that can overcome above-mentioned shortcoming.
Utility model content
The purpose of this utility model is that providing a kind of uses more reliably, the power-supply circuit that bearing power is larger.The utility model mainly utilizes elementary by current transformer or transformer of the electric current of load, at secondary generation alternating voltage, filtered for this voltage commutation direct voltage is carried out supply circuit and uses.
The utility model specifically provides a kind of Intelligent switching circuit from current transformer power taking, be made up of power supply 1, conversion equipment 2, rectifier bridge 3, capacitor 4, electrical appliance 5, conversion equipment 2 arranges primary side with secondary extreme, the primary side of conversion equipment 2 connects power supply 1 and electrical appliance 5, time extreme " ~ " end connecting rectifier bridge 3 of conversion equipment 2, "+" pole of capacitor 4 is connected with "-" pole with "+" pole of rectifier bridge 3 respectively with "-" pole.
Described is provided with controller 10 from the Intelligent switching circuit of current transformer power taking, and controller 10 is in parallel with capacitor 4.
Described is provided with relay 6 from the Intelligent switching circuit of current transformer power taking, and relay 6 is in parallel with capacitor 4.
The described Intelligent switching circuit from current transformer power taking is also provided with switch 7, and switch 7 is arranged on the optional position between power supply 1, conversion equipment 2, electrical appliance 5.
Electrical connection is realized between described relay 6 and switch 7.
Described is provided with other power supplys 8 from the Intelligent switching circuit of current transformer power taking, and other power supplys 8 are arranged on the optional position except conversion equipment 2, rectifier bridge 3.
Described is provided with triode 9 from the Intelligent switching circuit of current transformer power taking, and the collector electrode of triode 9 is connected with relay 6, and base stage is connected with controller 10, and emitter is connected with the negative pole of capacitor 4.
Described triode 9 is NPN triode.
Described conversion equipment 2 is specially current transformer or transformer.
Described power supply 1 is specially AC power.
The utility model, when AC power electric current flows through conversion equipment 2 elementary by electrical appliance 5, the secondary induction of conversion equipment 2 goes out alternating current, and this alternating current goes out direct current supply capacitor 4 through rectifier bridge 3 rectification and charges, the voltage supply Intelligent switching circuit at electricity container 4 two ends.
The utility model has following characteristics:
1, the utility model structure is simple, and it is convenient to implement.The utility model can realize repertoire by means of only a current transformer or transformer, rectifier bridge, a capacitor.
2, the utility model structure is simple, easy to operate, with low cost, improves economic benefit.
3, the utility model can provide more high-power, more reliably, more stable power-supply circuit.
4, the utility model can bear load short circuits effectively, and when namely there is load short circuits in installing or using, only can make the air switch breaking of power supply, circuit then can not be subject to any damage.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further details.
Fig. 1 is a kind of schematic diagram of the Intelligent switching circuit from current transformer power taking.
Embodiment
Reference numeral illustrates:
1 power supply, 2 conversion equipments, 3 rectifier bridges, 4 capacitors, 5 electrical appliances, 6 relays, 7 switches, 8 other power supplys, 9 triodes, 10 controllers.
Embodiment 1
The object of the present embodiment is that providing a kind of uses more reliably, the power-supply circuit that bearing power is larger.The present embodiment mainly utilizes elementary by current transformer or transformer of the electric current of load, at secondary generation alternating voltage, filtered for this voltage commutation direct voltage is carried out supply circuit and uses.
The present embodiment specifically provides a kind of Intelligent switching circuit from current transformer power taking, be made up of power supply 1, conversion equipment 2, rectifier bridge 3, capacitor 4, electrical appliance 5, conversion equipment 2 arranges primary side with secondary extreme, the primary side of conversion equipment 2 connects power supply 1 and electrical appliance 5, time extreme " ~ " end connecting rectifier bridge 3 of conversion equipment 2, "+" pole of capacitor 4 is connected with "-" pole with "+" pole of rectifier bridge 3 respectively with "-" pole.
Described is provided with controller 10 from the Intelligent switching circuit of current transformer power taking, and controller 10 is in parallel with capacitor 4.
Described is provided with relay 6 from the Intelligent switching circuit of current transformer power taking, and relay 6 is in parallel with capacitor 4.
The described Intelligent switching circuit from current transformer power taking is also provided with switch 7, and switch 7 is arranged on the optional position between power supply 1, conversion equipment 2, electrical appliance 5.
Electrical connection is realized between described relay 6 and switch 7.
Described is provided with other power supplys 8 from the Intelligent switching circuit of current transformer power taking, and other power supplys 8 are arranged on the optional position except conversion equipment 2, rectifier bridge 3.
Described is provided with triode 9 from the Intelligent switching circuit of current transformer power taking, and the collector electrode of triode 9 is connected with relay 6, and base stage is connected with controller 10, and emitter is connected with the negative pole of capacitor 4.
Described triode 9 is NPN triode.
Described conversion equipment 2 is specially current transformer or transformer.
Described power supply 1 is specially AC power.
The present embodiment, when AC power electric current flows through conversion equipment 2 elementary by electrical appliance 5, the secondary induction of conversion equipment 2 goes out alternating current, and this alternating current goes out direct current supply capacitor 4 through rectifier bridge 3 rectification and charges, the voltage supply Intelligent switching circuit at electricity container 4 two ends.
The present embodiment has following characteristics:
1, the present embodiment structure is simple, and it is convenient to implement.The present embodiment can realize repertoire by means of only a current transformer or transformer, rectifier bridge, a capacitor.
2, the present embodiment structure is simple, easy to operate, with low cost, improves economic benefit.
3, the present embodiment can provide more high-power, more reliably, more stable power-supply circuit.
4, the utility model can bear load short circuits effectively, and when namely there is load short circuits in installing or using, only can make the air switch breaking of power supply, circuit then can not be subject to any damage.
Embodiment 2
Voltage on capacitor 4 is added in controller 10 and relay 6 one and extremely goes up.Triode 9 is NPN triode, and the collector electrode of triode 9 is connected with controller 10 with being connected of relay 6, base stage, and emitter is connected with the negative pole of capacitor 4.When controller 10 sends a high level, triode 9 conducting, relay 6 adhesive, voltage driven relay 6 adhesive at this moment on capacitor 4, switch 7 disconnects, electrical appliance 5 power-off.After switch 7 disconnects, the power supply 1 of controller 10 and relay 6 is powered by other power supplys 8.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection range of the present utility model.
Claims (9)
1. the Intelligent switching circuit from current transformer power taking, it is characterized in that: be made up of power supply (1), conversion equipment (2), rectifier bridge (3), capacitor (4), electrical appliance (5), conversion equipment (2) arranges primary side with secondary extreme, the primary side of conversion equipment (2) connects power supply (1) and electrical appliance (5), secondary " ~ " end extremely connecting rectifier bridge (3) of conversion equipment (2), "+" pole of capacitor (4) is connected with "-" pole with "+" pole of rectifier bridge (3) respectively with "-" pole;
Described is provided with relay (6) from the Intelligent switching circuit of current transformer power taking, and relay (6) is in parallel with capacitor (4).
2. according to a kind of Intelligent switching circuit from current transformer power taking according to claim 1, it is characterized in that: described is provided with controller (10) from the Intelligent switching circuit of current transformer power taking, and controller (10) is in parallel with capacitor (4).
3. according to a kind of Intelligent switching circuit from current transformer power taking according to claim 1, it is characterized in that: the described Intelligent switching circuit from current transformer power taking is also provided with switch (7), switch (7) is arranged between power supply (1), conversion equipment (2), electrical appliance (5).
4. according to a kind of Intelligent switching circuit from current transformer power taking according to claim 3, it is characterized in that: between described relay (6) and switch (7), realize electrical connection.
5. according to a kind of Intelligent switching circuit from current transformer power taking according to claim 1, it is characterized in that: described is provided with other power supplys (8) from the Intelligent switching circuit of current transformer power taking, other power supplys (8) are arranged on except conversion equipment (2), rectifier bridge (3).
6. according to a kind of Intelligent switching circuit from current transformer power taking described in claim 1 or 3 or 5, it is characterized in that: described conversion equipment (2) is specially current transformer or transformer.
7. according to a kind of Intelligent switching circuit from current transformer power taking according to claim 1, it is characterized in that: described power supply (1) is specially AC power.
8. according to a kind of Intelligent switching circuit from current transformer power taking according to claim 2, it is characterized in that: described is provided with triode (9) from the Intelligent switching circuit of current transformer power taking, the collector electrode of triode (9) is connected with relay (6), base stage is connected with controller (10), and emitter is connected with the negative pole of capacitor (4).
9. according to a kind of Intelligent switching circuit from current transformer power taking according to claim 8, it is characterized in that: described triode (9) is NPN triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193987.3U CN204481785U (en) | 2015-04-01 | 2015-04-01 | From the Intelligent switching circuit of current transformer power taking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193987.3U CN204481785U (en) | 2015-04-01 | 2015-04-01 | From the Intelligent switching circuit of current transformer power taking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481785U true CN204481785U (en) | 2015-07-15 |
Family
ID=53637556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520193987.3U Active CN204481785U (en) | 2015-04-01 | 2015-04-01 | From the Intelligent switching circuit of current transformer power taking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204481785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330156A (en) * | 2016-11-11 | 2017-01-11 | 冯炽强 | Isolated-type radio frequency switch |
-
2015
- 2015-04-01 CN CN201520193987.3U patent/CN204481785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330156A (en) * | 2016-11-11 | 2017-01-11 | 冯炽强 | Isolated-type radio frequency switch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |