CN203561847U - Standby circuit control system with low power consumption - Google Patents
Standby circuit control system with low power consumption Download PDFInfo
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- CN203561847U CN203561847U CN201320674283.9U CN201320674283U CN203561847U CN 203561847 U CN203561847 U CN 203561847U CN 201320674283 U CN201320674283 U CN 201320674283U CN 203561847 U CN203561847 U CN 203561847U
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- full bridge
- rectifying full
- low
- control system
- power consumption
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Abstract
The utility model discloses a standby circuit control system with low power consumption, which is electrically connected to a power socket through a power plug and acts on a main circuit of a target electrical appliance. The power plug is provided with a live line end and a zero line end. The standby circuit control system comprises a main control unit (MCU), a low-voltage switching power supply, a first rectifying full bridge, a second rectifying full bridge, a touch switch and a relay, wherein a relay coil is electrically connected between the MCU and the ground; and a relay contact is arranged between the live line end/zero line end of the power plug and the input end of the second rectifying full bridge. The standby circuit control system with low power consumption is applied to an electrical appliance product, and the relay K1 and a switch SW-PB are controlled to stay at a disconnection state through various control modes, thereby breaking connection between the power plug and an internal component. Therefore, the standby power of a machine can also be controlled under 0.3W after coming into a stable state even if the power plug is not pulled out, and a strictest standby power requirement is met.
Description
Technical field
The utility model relates to stand-by circuit control system, especially a kind of low-power consumption standby circuit control system.
Background technology
Along with the attention of all parts of the world to the energy, the requirement of electric equipment products stand-by power consumption is also more and more stricter, and the stand-by power consumption of electronic product becomes the essential condition of authentication and trade, on products export impact greatly.Therefore the stand-by power consumption problem of electronic product more and more comes into one's own.In view of this, be necessary to provide a kind of lower powered circuit arrangement.
Utility model content
For solving the problems of the technologies described above, the object that the utility model is wanted is to provide a kind of low-power consumption standby circuit control system.
The technical solution adopted in the utility model is:
A low-power consumption standby circuit control system, is electrically connected by attaching plug and supply socket, acts on the major loop of target electric appliance, and described attaching plug has live wire end, zero line side, it is characterized in that comprising:
One main control MCU, itself and major loop are electrically connected to control major loop work;
One low tension switch power supply, one output terminal and main control MCU are electrically connected;
One first rectifying full bridge and one second rectifying full bridge, described the first rectifying full bridge is connected between attaching plug and low tension switch power input; Described the second rectifying full bridge is connected between attaching plug and major loop input end; Between described the first rectifying full bridge and the second rectifying full bridge, be connected with a diode, the positive pole of described diode, negative pole are connected with the positive output end of described the second rectifying full bridge, the positive input terminal of low tension switch power supply respectively;
One switch module, it is connected between the live wire end of attaching plug and an input end of the first rectifying full bridge, in order to control the break-make of the first rectifying full bridge and electric main;
One relay, its relay coil is electrically connected between main control MCU and ground; Its relay contact is to be arranged between the live wire end/zero line side of attaching plug and the input end of the second rectifying full bridge.
Described switch module is a touch-switch.
Described switch module comprises a controllable silicon, a touch control circuit, a soft-touch control, one the 3rd rectifying full bridge; Described silicon controlled anode is connected with described live wire end, and negative electrode is connected with an input end of described the first rectifying full bridge, controls the utmost point and is connected with touch control circuit; Described soft-touch control is connected with an input end of touch control circuit; Two input ends of described the 3rd rectifying full bridge are connected with live wire end, zero line side respectively, and one output terminal and touch control circuit are electrically connected, another output head grounding.
Further, the utility model low-power consumption standby circuit control system also comprises a voltage dependent resistor (VDR) and/or a safety electric capacity, and described voltage dependent resistor (VDR), safety electric capacity are all connected across between the positive and negative input end of the second rectifying full bridge.
Further, the utility model low-power consumption standby circuit control system also comprises a signal detection module, and described signal detection module is connected between switch module and main control MCU.
Further, the utility model low-power consumption standby circuit control system also comprises a display module, and described display module is connected with low tension switch power supply, main control MCU respectively.
Further, the utility model low-power consumption standby circuit control system also comprises a key-press module, and described key-press module is connected with low tension switch power supply, main control MCU respectively.
The negative output terminal of described the second rectifying full bridge is connected with the negative input end of major loop; The positive output end of described the second rectifying full bridge is connected with the positive input terminal of major loop.
The beneficial effects of the utility model:
Electric equipment products application the utility model low-power consumption standby circuit control system, by multiple control modes pilot relay K1 and interrupteur SW-PB all in off-state, thereby deenergization plug is connected with internal component, even if attaching plug does not pull out, standby power can be controlled at below 0.3W, meets the strictest standby power requirement.While is disconnecting circuit power supply completely, element in circuit can not be done work as voltage dependent resistor (VDR) ZNR1, safety capacitor C 1 etc., avoid for a long time not pulling out attaching plug and disaster hidden-trouble that the heating of doing work causes, avoid not pulling out plug and make internal component be subject to the damages such as surge voltage or thunderbolt.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Fig. 1 is the schematic block circuit diagram of the utility model low-power consumption standby circuit control system;
Fig. 2 is the first embodiment schematic block circuit diagram;
Fig. 3 is the second embodiment schematic block circuit diagram;
Fig. 4 is the touch control circuit figure in the second embodiment.
Embodiment
Shown in Fig. 1, for a kind of low-power consumption standby circuit control system of the present utility model, by attaching plug and supply socket, be electrically connected, act on the major loop 100 of target electric appliance, super-low standby power consumption with realize target electrical equipment (as small household appliances such as electromagnetic ovens), described attaching plug has live wire end AC-L, zero line side AC-N, and this system comprises:
One main control MCU 200, itself and major loop 100 are electrically connected to control major loop 100 work;
One low tension switch power supply 300, one output terminal and main control MCU 200 are electrically connected;
One first rectifying full bridge BR1 and one second rectifying full bridge BR2, described the first rectifying full bridge BR1 is connected between attaching plug and low tension switch power supply 300 input ends; Described the second rectifying full bridge BR2 is connected between attaching plug and major loop 100 input ends; Wherein, the negative output terminal of described the second rectifying full bridge BR2 is connected with the negative input end of major loop 100, and this tie point ground connection; The positive output end of described the second rectifying full bridge BR2 is connected with the positive input terminal of major loop 100; Between described the first rectifying full bridge BR1 and the second rectifying full bridge BR2, be connected with a diode D1, the positive pole of described diode D1, negative pole are connected with the positive output end of described the second rectifying full bridge BR2, the positive input terminal of low tension switch power supply 300 respectively;
One switch module 700, it is connected between the live wire end AC-L of attaching plug and an input end of the first rectifying full bridge BR1, in order to control the break-make of the first rectifying full bridge BR1 and electric main;
One relay K 1, its relay coil is electrically connected between main control MCU 200 and ground; Its relay contact is to be arranged between the live wire end AC-L/ zero line side AC-N and the input end of the second rectifying full bridge BR2 of attaching plug;
One voltage dependent resistor (VDR) ZNR1 and/or a safety capacitor C 1, described voltage dependent resistor (VDR) ZNR1, safety capacitor C 1 are all connected across between the positive and negative input end of the second rectifying full bridge BR2;
One resistance R 1 and a signal detection module 400, described resistance R 1 and signal detection module 400 are connected between switch module 700 and main control MCU 200 successively;
One display module 500, described display module 500 is connected with low tension switch power supply 300, main control MCU 200 respectively;
One key-press module 600, described key-press module 600 is connected with low tension switch power supply 300, main control MCU 200 respectively.
In addition, as shown in Figure 1, between the live wire end AC-L of described attaching plug and switch module 700, be provided with the first protective tube F1, between described relay contact and the positive input terminal of the second rectifying full bridge BR2, be provided with the second protective tube F2, the setting of protective tube can prevent the excessive internal component that burns out of electric current.
In the technical program, relay contact can be single-pole switch, can be also double-break switch; If this single-pole switch, it is connected between live wire end AC-L and the second protective tube F2; If be double-break switch, two of described double-break switch hilted broadswords be separately positioned between live wire end AC-L and the second protective tube F2, between zero line side AC-N and the negative output terminal of the second rectifying full bridge BR2.
The above is the main frame composition of the utility model low-power consumption standby circuit control system, wherein switch module 700 has two kinds of embodiment, Figure 2 shows that the first embodiment, described switch module 700 is a touch-switch SW-PB, and it is connected between the live wire end AC-L of attaching plug and an input end of the first rectifying full bridge BR1; This embodiment is mechanical touch-switch, simple in structure, is convenient to produce install, and cost is low.
Figure 3 shows that the second embodiment, mainly for some electrical equipment, need to use Embedded glass contact panel, thereby in the present embodiment, described switch module 700 comprises a controllable silicon SCR, a touch control circuit 800, a soft-touch control 900, one the 3rd rectifying full bridge BR3; The anode of described controllable silicon SCR is connected with described live wire end AC-L, and negative electrode is connected with an input end of described the first rectifying full bridge BR1, controls the utmost point and is connected with touch control circuit 800; Described soft-touch control 900 is connected with an input end of touch control circuit 800; Two input ends of described the 3rd rectifying full bridge BR3 are connected with live wire end AC-L, zero line side AC-N respectively, and one output terminal and touch control circuit 800 are electrically connected, another output head grounding.In the present embodiment, the 3rd rectifying full bridge BR3 is touch control circuit 800 power supplies, soft-touch control 900 is as the signal input part of touch control circuit 800, touch control circuit 800 is according to conducting and the cut-off of the control controllable silicon SCR of soft-touch control 900 transmission, thereby control the break-make of the first rectifying full bridge BR1 and electric main, visible, the switch module 700 of the present embodiment is identical with the effect of touch-switch SW-PB.
Figure 4 shows that the circuit diagram of touch control circuit 800 in the second embodiment, this touch control circuit 800 comprises a monostalbe trigger CD4013A, a trigger flip-flop CD4013B and resistance R 2, R3, R4, R5, R6, R7, capacitor C 1, electrochemical capacitor CO2, stabilivolt ZD1, wherein, monostalbe trigger CD4013A has 7 ports such as port VDD, D1, CP1, S1, VSS, R1, Q1, VDD and D1 are electrically connected, S1, VSS ground connection; Trigger flip-flop CD4013B has 6 ports such as port D2, CP2, S2, R2, Q2, Q*2, D2 and Q*2 are electrically connected, S2, R2 ground connection, CP2 is connected with the signal output port Q1 of monostalbe trigger CD4013A, and port Q2 is connected with the control utmost point, resistance R 1, the signal detection module 400 of controllable silicon SCR respectively by R4; R6, R7 are connected between the power input mouth VDD of the 3rd rectifying full bridge BR3 positive output end and monostalbe trigger CD4013A, are parallel with electrochemical capacitor CO2, stabilivolt ZD1 between this power input mouth VDD and ground, as the voltage-stabilizing protection of trigger power supply; R5 is connected between soft-touch control 900 and the CP1 port of monostalbe trigger CD4013A, between CP1 port and ground, is connected with R2, between port R1 and ground, is connected with C1, between port R1 and Q1, is connected with R3; Because the electric current of two steady state trigger CD4013 self work can be in uA level, therefore oneself power consumption is extremely low.
The principle of work of above-mentioned touch control circuit 800 is, after powering on, the Q2 port of trigger flip-flop CD4013B is low level, controllable silicon SCR can not triggering and conducting, when user touches soft-touch control 900, the pulse signal of Q1 port stable output, Q2 port output high level, controllable silicon SCR conducting, thus realize the effect of touch-switch SW-PB in the first embodiment; While again touching soft-touch control 900, Q2 port becomes again low level, and controllable silicon SCR can not conducting, the signal whether signal of Q2 port disconnects as main control MCU 200 pilot relay K1 simultaneously.
Two kinds of embodiments of switch module 700 have been introduced, set forth on the whole again principle of work of the present utility model and process, here, switch module 700 be take touch-switch SW-PB as example, when attaching plug (AC-L and AC-N) is inserted in supply socket, because the original state of touch-switch SW-PB and relay K 1 is all in disconnecting, therefore do not have electric current to pass through, therefore standby system does not exist power consumption.After pinning touch-switch SW-PB regular hour T1, the first rectifying full bridge BR1 starts working, now low tension switch power supply 300 starts working, the main control MCU 200 of circuit is all in running order, can be directly by relay K 1 adhesive after main control MCU 200 work, also can be by the turn-on time of signal detection module 400 judgement touch-switch SW-PB, make whether by the decision of relay K 1 adhesive.After relay K 1 adhesive, low tension switch power supply 300 can be powered by BR2, is no longer subject to the impact of touch-switch SW-PB.Machine enters stable accurate holding state, can carry out work by the corresponding feature operation of key-press module 600;
On the other hand, the shutdown of the utility model standby system, three kinds of modes realize below:
1. by unclamping after touch-switch SW-PB regular hour T2, the signal that main control MCU 200 is sent here by signal detection module 400, discharges relay K 1, and all loops of machine, all in off-state, do not have stand-by power consumption;
2. by the corresponding feature operation of key-press module 600, main control MCU 200 directly disconnects relay K 1 after command adapted thereto being detected, realizes shutdown.
3. unattended automatic shutdown, does not have after operational order when main control MCU 200 detects certain time interval T 3, is defaulted as nobody and looks after, and can certainly be about to relay K 1 disconnect, and realizes idle standby, enters safe mode.
As mentioned above, electric equipment products application the utility model low-power consumption standby circuit control system, by multiple control modes pilot relay K1 and interrupteur SW-PB all in off-state, thereby deenergization plug is connected with internal component, even if attaching plug does not pull out, standby power also can be controlled at below 0.3W, meets the strictest standby power requirement.While is disconnecting circuit power supply completely, element in circuit can not be done work as voltage dependent resistor (VDR) ZNR1, safety capacitor C 1 etc., avoid for a long time not pulling out attaching plug and disaster hidden-trouble that the heating of doing work causes, avoid not pulling out plug and make internal component be subject to the damages such as surge voltage or thunderbolt.
The foregoing is only preferential embodiment of the present utility model, the utility model is not limited to above-mentioned embodiment, as long as within the technical scheme that realizes the utility model object with basic identical means all belongs to protection domain of the present utility model.
Claims (8)
1. a low-power consumption standby circuit control system, is electrically connected by attaching plug and supply socket, acts on the major loop (100) of target electric appliance, and described attaching plug has live wire end (AC-L), zero line side (AC-N), it is characterized in that comprising:
One main control MCU (200), itself and major loop (100) are electrically connected to control major loop (100) work;
One low tension switch power supply (300), one output terminal and main control MCU (200) are electrically connected;
One first rectifying full bridge (BR1) and one second rectifying full bridge (BR2), described the first rectifying full bridge (BR1) is connected between attaching plug and low tension switch power supply (300) input end; Described the second rectifying full bridge (BR2) is connected between attaching plug and major loop (100) input end; Between described the first rectifying full bridge (BR1) and the second rectifying full bridge (BR2), be connected with a diode (D1), the positive pole of described diode (D1), negative pole are connected with the positive output end of described the second rectifying full bridge (BR2), the positive input terminal of low tension switch power supply (300) respectively;
One switch module (700), it is connected between the live wire end (AC-L) of attaching plug and an input end of the first rectifying full bridge (BR1), in order to control the break-make of the first rectifying full bridge (BR1) and electric main;
One relay (K1), its relay coil is electrically connected between main control MCU (200) and ground; Its relay contact is to be arranged between live wire end (the AC-L)/zero line side (AC-N) of attaching plug and the input end of the second rectifying full bridge (BR2).
2. a kind of low-power consumption standby circuit control system according to claim 1, is characterized in that: described switch module (700) is a touch-switch (SW-PB).
3. a kind of low-power consumption standby circuit control system according to claim 1, is characterized in that: described switch module (700) comprises a controllable silicon (SCR), a touch control circuit (800), a soft-touch control (900), one the 3rd rectifying full bridge (BR3); The anode of described controllable silicon (SCR) is connected with described live wire end (AC-L), and negative electrode is connected with an input end of described the first rectifying full bridge (BR1), controls the utmost point and is connected with touch control circuit (800); Described soft-touch control (900) is connected with an input end of touch control circuit (800); Two input ends of described the 3rd rectifying full bridge (BR3) are connected with live wire end (AC-L), zero line side (AC-N) respectively, and one output terminal and touch control circuit (800) are electrically connected, another output head grounding.
4. a kind of low-power consumption standby circuit control system according to claim 1, it is characterized in that: it also comprises a voltage dependent resistor (VDR) (ZNR1) and/or a safety electric capacity (C1), and described voltage dependent resistor (VDR) (ZNR1), safety electric capacity (C1) are all connected across between the positive and negative input end of the second rectifying full bridge (BR2).
5. a kind of low-power consumption standby circuit control system according to claim 1, is characterized in that: it also comprises a signal detection module (400), and described signal detection module (400) is connected between switch module (700) and main control MCU (200).
6. a kind of low-power consumption standby circuit control system according to claim 1, is characterized in that: it also comprises a display module (500), and described display module (500) is connected with low tension switch power supply (300), main control MCU (200) respectively.
7. a kind of low-power consumption standby circuit control system according to claim 1, is characterized in that: it also comprises a key-press module (600), and described key-press module (600) is connected with low tension switch power supply (300), main control MCU (200) respectively.
8. a kind of low-power consumption standby circuit control system according to claim 1, is characterized in that: the negative output terminal of described the second rectifying full bridge (BR2) is connected with the negative input end of major loop (100); The positive output end of described the second rectifying full bridge (BR2) is connected with the positive input terminal of major loop (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674283.9U CN203561847U (en) | 2013-10-29 | 2013-10-29 | Standby circuit control system with low power consumption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674283.9U CN203561847U (en) | 2013-10-29 | 2013-10-29 | Standby circuit control system with low power consumption |
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| CN203561847U true CN203561847U (en) | 2014-04-23 |
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| CN201320674283.9U Expired - Fee Related CN203561847U (en) | 2013-10-29 | 2013-10-29 | Standby circuit control system with low power consumption |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116779A (en) * | 2015-09-15 | 2015-12-02 | 宁波卓奥电子科技有限公司 | Low standby power consumption type electrical terminal control board circuit |
| CN105511298A (en) * | 2014-09-23 | 2016-04-20 | 深圳市瑞必达科技有限公司 | Low-power standby control circuit, switching power source and power electric appliance |
| CN108907843A (en) * | 2018-07-28 | 2018-11-30 | 浙江星辉铝轮有限公司 | A kind of lathe power saving apparatus |
| CN110366282A (en) * | 2018-04-10 | 2019-10-22 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and its control method |
| CN112350564A (en) * | 2020-07-24 | 2021-02-09 | 深圳市金威源科技股份有限公司 | Three-phase standby zero reactive power consumption control circuit in switching power supply |
-
2013
- 2013-10-29 CN CN201320674283.9U patent/CN203561847U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511298A (en) * | 2014-09-23 | 2016-04-20 | 深圳市瑞必达科技有限公司 | Low-power standby control circuit, switching power source and power electric appliance |
| CN105116779A (en) * | 2015-09-15 | 2015-12-02 | 宁波卓奥电子科技有限公司 | Low standby power consumption type electrical terminal control board circuit |
| CN105116779B (en) * | 2015-09-15 | 2017-09-22 | 浙江卓奥科技股份有限公司 | A kind of appliance terminal control panel circuit of low standby power loss |
| CN110366282A (en) * | 2018-04-10 | 2019-10-22 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and its control method |
| CN110366282B (en) * | 2018-04-10 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating device and control method thereof |
| CN108907843A (en) * | 2018-07-28 | 2018-11-30 | 浙江星辉铝轮有限公司 | A kind of lathe power saving apparatus |
| CN112350564A (en) * | 2020-07-24 | 2021-02-09 | 深圳市金威源科技股份有限公司 | Three-phase standby zero reactive power consumption control circuit in switching power supply |
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| 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: 20140423 Termination date: 20211029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |