CN103713561A - Automatic power-off energy-saving circuit - Google Patents
Automatic power-off energy-saving circuit Download PDFInfo
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- CN103713561A CN103713561A CN201410006047.9A CN201410006047A CN103713561A CN 103713561 A CN103713561 A CN 103713561A CN 201410006047 A CN201410006047 A CN 201410006047A CN 103713561 A CN103713561 A CN 103713561A
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Abstract
The invention discloses an automatic power-off energy-saving circuit. The automatic power-off energy-saving circuit comprises an external circuit. The external circuit comprises a single-chip microcomputer and further comprises a normally-opened all-pole disconnection power switch, a connector, a PCB and a single-pole double-throw relay. The single-pole double-throw relay and the connector are both arranged on the PCB. The normally-opened all-pole disconnection power switch is electrically connected with the connector. The single-pole double-throw relay is in electrical connection. According to the automatic power-off energy-saving circuit, a power management module is arranged in front of all power consumption electrical components (including a filter and other electrical components) and can control a complete machine power supply; a normally-opened all-pole disconnection switch button is used for realizing one action to simultaneously trigger two circuits which are separately isolated, namely a power interlocking circuit and a power switch detection circuit, so that complete machine cost and stand-by power consumption are reduced.
Description
Technical field
The present invention relates to household electrical appliance and similar appliances auto-breaking technical field, particularly a kind of auto-power-off energy-saving circuit.
Background technology
Household electrical appliance need user by pushing power switch or pull out power supply and realize the dump to complete machine at present, thereby realize the effect of economize on electricity.But most of users exist and forget the situation of turning off power supply, thus make household electrical appliances or utensil itself always charged, waste electric energy; And European Union has also strengthened the supervision to energy consumption, and the energy consumption under standby, off-mode is taken into account, improved the power consumption requirement to household electrical appliances.
Summary of the invention
(1) technical matters that will solve
Object of the present invention will overcome above-mentioned shortcoming exactly, aims to provide a kind of auto-power-off energy-saving circuit.
(2) technical scheme
For addressing the above problem, the present invention proposes a kind of auto-power-off energy-saving circuit, comprises external circuit, and described external circuit comprises single-chip microcomputer, also comprises Chang Kaiquan utmost point disconnecting power switch, connector, pcb board and single-pole double-throw (SPDT) relay; Described single-pole double-throw (SPDT) relay and described connector are all arranged on pcb board, describedly often open the electrical connection of full utmost point disconnecting power switch and described connector, and described single-pole double-throw (SPDT) relay connects electrical connection.
Further, described connector comprises first to fourth pin, describedly often open full utmost point disconnecting power switch and comprise first to fourth link, described the first pin is connected with described tripod, and described the first pin is connected respectively described the first link and described the 3rd link with described tripod.
Further, described connector comprises first to fourth pin, and described the second link connects described crus secunda, and described the 4th link connects described the 4th pin.
Further, described single-pole double-throw (SPDT) relay comprises the first to the 3rd tie point, and described the first tie point connects live wire, described the second tie point and described the 4th pin electrical connection, and described the 3rd tie point is electrically connected described tripod.
Further, described the first tie point and described the 3rd tie point are in normally off.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages: this power management module is placed on all power consumption electric components (comprising the electric components such as wave filter) before, thereby realizes the power management to whole utensil; Use is often opened extremely disconnected switch key entirely and is realized an action, triggers the two-way circuit of isolation separately simultaneously: power interlock circuit and power switch detection circuit, thus reduce complete machine cost and stand-by power consumption.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of auto-power-off energy-saving circuit of the present invention.
In figure, 1 for often opening full utmost point disconnecting power switch; 2 is connector; 3 is pcb board; 4 is single-pole double-throw (SPDT) relay; 5 is external circuit; P1 is the first link; P2 is the second link; P3 is the 3rd link; P4 is the 4th link; J1 is the first pin; J2 is crus secunda; J3 is tripod; J4 is the 4th pin; Q1 is the first tie point; Q2 is the second tie point; Q3 is the 3rd tie point; ACL is live wire; ACN is zero line.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, auto-power-off energy-saving circuit of the present invention, comprises external circuit 5, and described external circuit 5 comprises single-chip microcomputer, also comprises Chang Kaiquan utmost point disconnecting power switch 1, connector, pcb board 3 and single-pole double-throw (SPDT) relay 4; Described single-pole double-throw (SPDT) relay 4 and described connector are all arranged on pcb board 3, describedly often open full utmost point disconnecting power switch 1 and described connector electrical connection, and described single-pole double-throw (SPDT) relay 4 connects electrical connection.
Described connector comprises first to fourth pin J1～J4, describedly often open full utmost point disconnecting power switch 1 and comprise first to fourth link P1～P4, described the first pin J1 is connected with described tripod J3, and described the first pin J1 is connected respectively described the first link P1 and described the 3rd link P3 with described tripod J3.
Described the second link P2 connects described crus secunda J2, and described the 4th link P4 connects described the 4th pin J4.
Described single-pole double-throw (SPDT) relay 4 comprises first to the 3rd tie point Q1～Q3, and described the first tie point Q1 connects live wire, described the second tie point Q2 and described the 4th pin J4 electrical connection, and described the 3rd tie point Q3 is electrically connected described tripod J3.
Described the first tie point Q1 and described the 3rd tie point Q3 are in normally off.
Before Chang Kaiquan utmost point disconnecting power switch 1 is pressed and does not unclamp after 20～30ms, Micro Controller Unit (MCU) driving single-pole double-throw (SPDT) relay 4 makes its first tie point Q1 and the second tie point Q2 conducting, complete feed circuit, after unclamping, Chang Kaiquan utmost point disconnecting power switch 1 again in normally open, plays the effect of a power interlock.
When utensil is worked, single-chip microcomputer detects Chang Kaiquan utmost point disconnecting power switch 1 by connector 2 and presses, and after often opening full utmost point disconnecting power switch 1 and unclamping, single-chip microcomputer cuts off the driving power of single-pole double-throw (SPDT) relay 4, and cutting electromechanical source, realizes manual control.
After utensil program end of run, program setting cuts off single-pole double-throw (SPDT) relay 4 driving powers by single-chip microcomputer, thus cutting electromechanical source.
Power management module of the present invention is placed on all power consumption electric components (comprising the electric components such as wave filter) before, can control complete machine power supply; Use is often opened extremely disconnected switch key entirely and is realized an action, triggers the two-way circuit of isolation separately simultaneously: power interlock circuit and power switch detection circuit, thus reduce complete machine cost and stand-by power consumption.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. an auto-power-off energy-saving circuit, comprises external circuit, and described external circuit comprises single-chip microcomputer, it is characterized in that: also comprise Chang Kaiquan utmost point disconnecting power switch, connector, pcb board and single-pole double-throw (SPDT) relay; Described single-pole double-throw (SPDT) relay and described connector are all arranged on pcb board, describedly often open the electrical connection of full utmost point disconnecting power switch and described connector, and described single-pole double-throw (SPDT) relay connects electrical connection.
2. auto-power-off energy-saving circuit according to claim 1, it is characterized in that: described connector comprises first to fourth pin, describedly often open full utmost point disconnecting power switch and comprise first to fourth link, described the first pin is connected with described tripod, and described the first pin is connected respectively described the first link and described the 3rd link with described tripod.
3. auto-power-off energy-saving circuit according to claim 2, is characterized in that: described the second link connects described crus secunda, and described the 4th link connects described the 4th pin.
4. auto-power-off energy-saving circuit according to claim 3, it is characterized in that: described single-pole double-throw (SPDT) relay comprises the first to the 3rd tie point, described the first tie point connects live wire, described the second tie point and described the 4th pin electrical connection, and described the 3rd tie point is electrically connected described tripod.
5. auto-power-off energy-saving circuit according to claim 4, is characterized in that: described the first tie point and described the 3rd tie point are in normally off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006047.9A CN103713561A (en) | 2014-01-06 | 2014-01-06 | Automatic power-off energy-saving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006047.9A CN103713561A (en) | 2014-01-06 | 2014-01-06 | Automatic power-off energy-saving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103713561A true CN103713561A (en) | 2014-04-09 |
Family
ID=50406617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006047.9A Pending CN103713561A (en) | 2014-01-06 | 2014-01-06 | Automatic power-off energy-saving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103713561A (en) |
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2014
- 2014-01-06 CN CN201410006047.9A patent/CN103713561A/en active Pending
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Application publication date: 20140409 |