CN203689036U - Energy saving switch control circuit and power supply device - Google Patents
Energy saving switch control circuit and power supply device Download PDFInfo
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- CN203689036U CN203689036U CN201320775870.7U CN201320775870U CN203689036U CN 203689036 U CN203689036 U CN 203689036U CN 201320775870 U CN201320775870 U CN 201320775870U CN 203689036 U CN203689036 U CN 203689036U
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Abstract
The utility model is adapted to the switch field, and provides an energy saving switch control circuit and a power supply device. The energy saving switch control circuit is connected with a coil of a relay, and a first end of the coil of the relay is connected with a zero line of a power supply. The energy saving switch control circuit comprises a control chip, which is used to output control level; a first voltage module, which is used to output a first DC voltage; a second voltage module, which is used to output a second DC voltage; a first switch module; and a second switch. The first DC voltage can be used for the power supply of the first switch module, and the first switch module can be conducted under the control of the control level, and therefore the coil can be energized. The second DC voltage can be used for the power supply of the second switch module, and the second switch module can be conducted under the control of the control level, and then the first switch module can stop working, and therefore the coil can be de-energized. When the relay is required to be closed, only the first DC voltage is required to be provided; when the relay is required to be switched off, only the second DC voltage is required to be provided, and the first voltage module is not required to work, and therefore the control power consumption of the switch circuit can be reduced to the minimum, and the use is safe and reliable.
Description
Technical field
The utility model belongs to switch control field, relates in particular to a kind of power down switch control circuit and electric supply installation.
Background technology
Along with the raising of resident living level, the safety and comfort degree of life is had to higher requirement.So there are various teleswitches, these teleswitches are long-time energising conventionally, and the security of switch itself and the technology of low-power consumption are just particularly important.
Utility model content
Based on this, be necessary to provide a kind of energy-saving switch circuit of safe and reliable, low-power consumption.
A kind of power down switch control circuit, is connected with the coil of relay, and the first end of the coil of described relay and the zero line of power supply be connected, and described power down switch control circuit comprises:
Control chip, receives external control signal output control level;
The first voltage module, is connected between the live wire and zero line of described power supply, and output terminal is exported the first DC voltage;
Second voltage module, is connected between the live wire and zero line of described power supply, and output terminal is exported the second DC voltage;
The first switch module, is connected with the second end of described control chip, the first voltage module, second voltage module, described coil, utilizes described the first DC-voltage supply, and conducting under the control of described control level, so that described coil powers on;
Second switch module, be connected with the first end of described control chip, the first voltage module, second voltage module, described coil, utilize described the second DC-voltage supply, and conducting under the control of described control level, quit work to control described the first switch module, so that described coil losing electricity.
Further, described the first voltage module comprises the first diode, the first stabilivolt, the first electric capacity, wherein,
The negative electrode of described the first diode is connected with the live wire of described power supply, anode is connected with the anode of described the first stabilivolt and one end of described the first electric capacity, the negative electrode of described the first stabilivolt is connected with the other end of described the first electric capacity and the zero line of described power supply, and the anode of described the first stabilivolt is exported described the first DC voltage as the output terminal of described the first voltage module.
Further, described second voltage module comprises the second diode, the second stabilivolt and the second electric capacity, wherein,
The anode of described the second diode is connected with the live wire of described power supply, negative electrode is connected with the negative electrode of described the second stabilivolt and one end of described the second electric capacity, the anode of described the second stabilivolt is connected with the other end of described the second electric capacity and the zero line of described power supply, and the negative electrode of described the second diode is exported described the second DC voltage as the output terminal of described second voltage module.
Further, described the first switch module comprises a PNP triode, a NPN triode, the first resistance, the second resistance, wherein,
The base stage of a described PNP triode is connected with the first output terminal of described control chip, emitter through described the first resistance be connected with the output terminal of described second voltage module, collector is connected with the base stage of a described NPN triode, and be connected with the output terminal of described the first voltage module by the second resistance;
The collector of a described NPN triode is connected with the second end of described coil, emitter is connected with the output terminal of described the first voltage module.
Further, described second switch module comprises the 2nd PNP triode, the 2nd NPN triode, the 3rd resistance, the 4th resistance, wherein,
The base stage of described the 2nd PNP triode is connected with the second output terminal of described control chip, emitter through described the 3rd resistance be connected with the output terminal of described second voltage module, collector is connected with the base stage of described the 2nd NPN triode, and be connected with the output terminal of described the first voltage module by the 4th resistance;
The collector of described the 2nd NPN triode through the 5th resistance be connected with the first end of described coil, emitter is connected with the output terminal of described the first voltage module.
Further, described the first electric capacity is electrochemical capacitor, and its anode is connected with the zero line of described power supply, negative electrode is connected with the live wire of described power supply.
Further, described the second electric capacity is electrochemical capacitor, and its anode is connected with the live wire of described power supply, negative electrode is connected with the zero line of described power supply.
Further, also comprise the 3rd electric capacity and protection device, described the 3rd electric capacity and protection device are connected in series on described power firestreak, and described the first voltage module is connected with the live wire of described power supply with protection device by described the 3rd electric capacity with second voltage module.
Further, described the first DC voltage is greater than described the second DC voltage.
In addition, also provide a kind of electric supply installation, there is relay and above-mentioned power down switch control circuit.
In above-mentioned power down switch control circuit, if desired when closing relay, only need to provide the first DC voltage, and need to turn-off relay be, only need to provide the second DC voltage, and the first voltage module does not need work, the control energy consumption of on-off circuit is dropped to minimum, and also safe and reliable.
Brief description of the drawings
Fig. 1 is the module diagram of power down switch control circuit;
Fig. 2 is the schematic diagram of power down switch control circuit.
Embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In conjunction with Fig. 1,2, a kind of power down switch control circuit, be connected with the coil of the relay 100 with normal open switch 102, and the first end A of the coil K1 of relay 100 is connected with the zero line N of power supply, and power down switch control circuit comprises: control chip 210, the first voltage module 220, second voltage module 230, the first switch module 240, second switch module 250.
Comprise the first diode D1, the first stabilivolt Z1, the first capacitor C 1 with reference to figure 2, the first voltage modules 220.The negative electrode of the first diode D1 is connected with the live wire L of power supply, one end of the anode of the first diode D1 and the anode of the first stabilivolt Z1 and the first capacitor C 1 is connected, the other end of the negative electrode of the first stabilivolt Z1 and the first capacitor C 1 is connected with the zero line N of power supply, and the anode of the first stabilivolt Z1 is exported the first DC voltage V1 as the output terminal of the first voltage module 220.Further, the first capacitor C 1 is electrochemical capacitor, and its anode is connected with the zero line N of power supply, negative electrode is connected with the live wire L of power supply.
The first switch module 240 comprises a PNP triode Q1, a NPN triode Q2, the first resistance R 1, the second resistance R 2.
The one base stage of PNP triode Q1 and the first output terminal of control chip 210 are connected, the emitter of the one PNP triode Q1 is connected with the output terminal of second voltage module 230 through the first resistance R 1, the collector of the one PNP triode Q1 is connected with the base stage of a NPN triode Q2, and is connected with the output terminal of the first voltage module 220 by the second resistance R 2; The collector of the one NPN triode Q2 is connected with the second end B of coil K1, and the emitter of a PNP triode Q1 is connected with the output terminal of the first voltage module 220.
The 2nd base stage of PNP triode Q3 and the second output terminal of control chip 210 are connected, the emitter of the 2nd PNP triode Q3 is connected with the output terminal of second voltage module 230 through the 3rd resistance R 3, the collector of the 2nd PNP triode Q3 is connected with the base stage of the 2nd NPN triode Q4, and is connected with the output terminal of the first voltage module 220 by the 4th resistance R 4; The collector of the 2nd NPN triode Q4 through the 5th resistance be connected with the first end A of coil K1, the emitter of the 2nd NPN triode Q4 is connected with the output terminal of the first voltage module 220.
In a further embodiment; power down switch control circuit also comprises the 3rd capacitor C 3 and protection device RF1; it is upper that the 3rd capacitor C 3 and protection device RF1 are connected in series in power firestreak L, and the first voltage module 220 is connected with the live wire L of power supply with protection device RF1 by the 3rd capacitor C 3 with second voltage module 230.Protection device RF1 is fuse or fuse.
In addition, also provide a kind of electric supply installation, there is relay 100 and above-mentioned power down switch control circuit.Electric supply installation can be remote control switch for lighting, wall energy-saving socket, the energy-conservation socket of power supply, regular socket, light source of charger etc.
Below taking the first DC voltage V1 as 12V, the second DC voltage V2 illustrates specific embodiment as 5V as example.
According to the feature of AC network, at the positive half-wave of electrical network, live wire L is by the 3rd capacitor C 3, protection device RF1, the second diode D2, the second stabilivolt Z2, get back to zero line N, produce the second DC voltage V2 (+5V power supply), give the circuit supplies such as control chip 210, second switch module 250; At the negative half period of electrical network; zero line N is by the first diode D1, the first stabilivolt Z1, the 3rd capacitor C 3, protection device RF1; and the coil K1 of the first diode D1, relay 100 gets back to live wire L, produce the first DC voltage V1(-12V power supply), for the coil K1 power supply of relay 100.
If while needing the normal open switch 102 of closing relay 100,210 control signals of control chip to teleswitch by telepilot, the second output terminal 02 of control chip 210 is exported high level, make the 2nd PNP triode Q3, the 2nd NPN triode Q4 cut-off, the first output terminal 01 output low level of control chip 210, make a PNP triode Q1, a NPN triode Q2 conducting, the coil K1 of relay 100 obtains the first DC voltage V1, and the coil K1 of relay 100 is with regard to adhesive normal open switch 102 closures.
If need to disconnect the normal open switch 102 of relay 100 time, the second output terminal 01 output low level of control chip 210, make the 2nd PNP triode Q3, the 2nd NPN triode Q4 conducting, the first end A of the coil K1 of relay 100 connects by the output terminal of the 5th resistance, the 2nd NPN triode Q4 and the first voltage module 220, make the first stabilivolt Z1 two ends pressure drop (being almost 0) not reach operating voltage and not work, can not produce the first DC voltage V1, the coil K1 of relay 100 will dead electricity, and therefore normal open switch 102 disconnects; The the second DC voltage V2VDD power supply producing, gives control chip 210 and peripheral circuit power supply thereof, waits for new remote signal order.
By above control procedure, ensure in the time disconnecting the normal open switch 102 of relay 100, do not need the first stabilivolt Z1 work, the negative half period of electrical network consumes electric energy hardly.
With the voltage of multimeter measuring coil K1, can find: when the normal open switch 102 of closing relay 100, the voltage of relay 100 coil K1 is 12V; While disconnecting the normal open switch 102 of relay 100, the coil K1 voltage of relay 100 is almost 0V.
In actual use, 1 day 24 hours, the time of most of loaded work piece was no more than 8 hours, that is to say that the first DC voltage V1 power supply major part does not need work, only need to produce the second DC voltage V2 power supply, thereby save most of electric energy.That is to say, even teleswitch not power-off in a year, spent electric weight is no more than 2 degree electricity, can not cause any burden to the electricity consumption of family.
Claims (10)
1. a power down switch control circuit, is connected with the coil of relay, and the first end of the coil of described relay and the zero line of power supply be connected, and it is characterized in that, described power down switch control circuit comprises:
Control chip, receives external control signal output control level;
The first voltage module, is connected between the live wire and zero line of described power supply, and output terminal is exported the first DC voltage;
Second voltage module, is connected between the live wire and zero line of described power supply, and output terminal is exported the second DC voltage;
The first switch module, is connected with the second end of described control chip, the first voltage module, second voltage module, described coil, utilizes described the first DC-voltage supply, and conducting under the control of described control level, so that described coil powers on;
Second switch module, be connected with the first end of described control chip, the first voltage module, second voltage module, described coil, utilize described the second DC-voltage supply, and conducting under the control of described control level, quit work to control described the first switch module, so that described coil losing electricity.
2. power down switch control circuit as claimed in claim 1, is characterized in that, described the first voltage module comprises the first diode, the first stabilivolt, the first electric capacity, wherein,
The negative electrode of described the first diode is connected with the live wire of described power supply, anode is connected with the anode of described the first stabilivolt and one end of described the first electric capacity, the negative electrode of described the first stabilivolt is connected with the other end of described the first electric capacity and the zero line of described power supply, and the anode of described the first stabilivolt is exported described the first DC voltage as the output terminal of described the first voltage module.
3. power down switch control circuit as claimed in claim 1, is characterized in that, described second voltage module comprises the second diode, the second stabilivolt and the second electric capacity, wherein,
The anode of described the second diode is connected with the live wire of described power supply, negative electrode is connected with the negative electrode of described the second stabilivolt and one end of described the second electric capacity, the anode of described the second stabilivolt is connected with the other end of described the second electric capacity and the zero line of described power supply, and the negative electrode of described the second diode is exported described the second DC voltage as the output terminal of described second voltage module.
4. the power down switch control circuit as described in claim 1,2 or 3, is characterized in that, described the first switch module comprises a PNP triode, a NPN triode, the first resistance, the second resistance, wherein,
The base stage of a described PNP triode is connected with the first output terminal of described control chip, emitter through described the first resistance be connected with the output terminal of described second voltage module, collector is connected with the base stage of a described NPN triode, and be connected with the output terminal of described the first voltage module by the second resistance;
The collector of a described NPN triode is connected with the second end of described coil, emitter is connected with the output terminal of described the first voltage module.
5. the power down switch control circuit as described in claim 1,2 or 3, is characterized in that, described second switch module comprises the 2nd PNP triode, the 2nd NPN triode, the 3rd resistance, the 4th resistance, wherein,
The base stage of described the 2nd PNP triode is connected with the second output terminal of described control chip, emitter through described the 3rd resistance be connected with the output terminal of described second voltage module, collector is connected with the base stage of described the 2nd NPN triode, and be connected with the output terminal of described the first voltage module by the 4th resistance;
The collector of described the 2nd NPN triode through the 5th resistance be connected with the first end of described coil, emitter is connected with the output terminal of described the first voltage module.
6. power down switch control circuit as claimed in claim 2, is characterized in that, described the first electric capacity is electrochemical capacitor, and its anode is connected with the zero line of described power supply, negative electrode is connected with the live wire of described power supply.
7. power down switch control circuit as claimed in claim 3, is characterized in that, described the second electric capacity is electrochemical capacitor, and its anode is connected with the live wire of described power supply, negative electrode is connected with the zero line of described power supply.
8. the power down switch control circuit as described in claim 1,2 or 3; it is characterized in that; also comprise the 3rd electric capacity and protection device; described the 3rd electric capacity and protection device are connected in series on described power firestreak, and described the first voltage module is connected with the live wire of described power supply with protection device by described the 3rd electric capacity with second voltage module.
9. the power down switch control circuit as described in claim 1,2 or 3, is characterized in that, described the first DC voltage is greater than described the second DC voltage.
10. an electric supply installation, is characterized in that, also comprises power down switch control circuit and described relay described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775870.7U CN203689036U (en) | 2013-11-29 | 2013-11-29 | Energy saving switch control circuit and power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775870.7U CN203689036U (en) | 2013-11-29 | 2013-11-29 | Energy saving switch control circuit and power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203689036U true CN203689036U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775870.7U Expired - Fee Related CN203689036U (en) | 2013-11-29 | 2013-11-29 | Energy saving switch control circuit and power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203689036U (en) |
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2013
- 2013-11-29 CN CN201320775870.7U patent/CN203689036U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20161129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |